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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.153 by root, Mon Jan 8 23:36:16 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;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
20	use Digest::MD5;	53	use JSON::XS 2.01 ();
		54	use BDB ();
		55	use Data::Dumper;
21	use Fcntl;	56	use Fcntl;
22	use IO::AIO 2.32 ();
23	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
24	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
25		62
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
27		64
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	65	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		69
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
34		82
35	our %COMMAND = ();	83	our %COMMAND = ();
36	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
38		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	93	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
41		96
42	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	98
		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(!)
		122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	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;
45	our $NOW;	139	our $NOW;
46		140
47	our %CFG;	141	our (%PLAYER, %PLAYER_LOADING); # all users
		142	our (%MAP, %MAP_LOADING ); # all maps
		143	our $LINK_MAP; # the special {link} map, which is always available
48		144
49	our $UPTIME; $UPTIME ||= time;	145	# used to convert map paths into valid unix filenames by replacing / by ∕
50	our $RUNTIME;	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
51		147
52	our %PLAYER; # all users	148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
53	our %MAP; # all maps	149	our $LOADAVG; # same thing, but with alpha-smoothing
54	our $LINK_MAP; # the special {link} map	150	our $JITTER; # average jitter
55	our $RANDOM_MAPS = cf::localdir . "/random";	151	our $TICK_START; # for load detecting purposes
56	our %EXT_CORO; # coroutines bound to extensions	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 $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
57		160
58	binmode STDOUT;	161	binmode STDOUT;
59	binmode STDERR;	162	binmode STDERR;
60		163
61	# read virtual server time, if available	164	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	166	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
66	}	169	}
67		170
68	mkdir cf::localdir;	171	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		172
74	# a special map that is always available	173	mkdir $_
75	our $LINK_MAP;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		175
76	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
77		177
		178	sub cf::map::normalise;
		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
78	#############################################################################	184	#############################################################################
79		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
80	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
81		198
82	=over 4	199	=over 4
83		200
84	=item $cf::UPTIME	201	=item $cf::UPTIME
85		202
86	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.
87		219
88	=item $cf::RUNTIME	220	=item $cf::RUNTIME
89		221
90	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
91	every server tick.	223	every server tick.
92		224
93	=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
94		228
95	The perl library directory, where extensions and cf-specific modules can	229	Various directories - "/etc", read-only install directory, perl-library
96	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.
97		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
98	=item $cf::NOW	240	=item $cf::LOAD
99		241
100	The time of the last (current) server tick.	242	The raw value load value from the last tick.
101
102	=item $cf::TICK
103
104	The interval between server ticks, in seconds.
105		243
106	=item %cf::CFG	244	=item %cf::CFG
107		245
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	from wherever your confdir points to.	247	from wherever your confdir points to.
110		248
		249	=item cf::wait_for_tick, cf::wait_for_tick_begin
		250
		251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		252	returns directly I<after> the tick processing (and consequently, can only wake one thread
		253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
		272	=item @cf::INVOKE_RESULTS
		273
		274	This array contains the results of the last C<invoke ()> call. When
		275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		276	that call.
		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
		283
111	=back	284	=back
112		285
113	=cut	286	=cut
114		287
115	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
116	*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 {
117	my $msg = join "", @_;	295	my $msg = join "", @_;
118	utf8::encode $msg;
119		296
120	$msg .= "\n"	297	$msg .= "\n"
121	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
122		299
		300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		301
123	LOG llevError, $msg;	302	LOG llevWarn, $msg;
124	};	303	};
125	}	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	};
126		318
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@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';
132	@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)
133		326
134	# 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
135	# within the Safe compartment.	328	# within the Safe compartment.
136	for my $pkg (qw(	329	for my $pkg (qw(
137	cf::global cf::attachable	330	cf::global cf::attachable
138	cf::object cf::object::player	331	cf::object cf::object::player
139	cf::client cf::player	332	cf::client cf::player
140	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
141	cf::map cf::party cf::region	335	cf::party cf::region
142	)) {	336	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	338	}
146		339
147	$Event::DIED = sub {	340	$EV::DIED = sub {
148	warn "error in event callback: @_";	341	warn "error in event callback: $@";
149	};	342	};
150		343
151	my %ext_pkg;	344	#############################################################################
152	my @exts;	345
153	my @hook;	346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
154		350
155	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
156		352
157	=over 4	353	=over 4
158		354
159	=cut	355	=item dumpval $ref
160		356
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	357	=cut
162		358
		359	sub dumpval {
		360	eval {
		361	local $SIG{__DIE__};
		362	my $d;
		363	if (1) {
		364	$d = new Data::Dumper([$_[0]], ["*var"]);
		365	$d->Terse(1);
		366	$d->Indent(2);
		367	$d->Quotekeys(0);
		368	$d->Useqq(1);
		369	#$d->Bless(...);
		370	$d->Seen($_[1]) if @_ > 1;
		371	$d = $d->Dump();
		372	}
		373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		374	$d
		375	} || "[unable to dump $_[0]: '$@']";
		376	}
		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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
163	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
164		431
165	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
166		433
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
175		435
176	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
177		437
178	=cut	438	=cut
179		439
180	sub to_json($) {	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	441
182	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	}
183	}	505	}
184		506
185	=item cf::lock_wait $string	507	=item cf::lock_wait $string
186		508
187	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
188		510
189	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
190		512
191	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
192	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,
193	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
194	returned.	516	returned.
195		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
196	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
197	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
198		523
199	=cut	524	=item $locked = cf::lock_active $string
200		525
201	our %LOCK;	526	Return true if the lock is currently active, i.e. somebody has locked it.
		527
		528	=cut
		529
		530	our $LOCKS = new Coro::SemaphoreSet;
202		531
203	sub lock_wait($) {	532	sub lock_wait($) {
204	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
205
206	# wait for lock, if any
207	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;
210	}
211	}	534	}
212		535
213	sub lock_acquire($) {	536	sub lock_acquire($) {
214	my ($key) = @_;	537	$LOCKS->guard ($_[0])
		538	}
215		539
216	# wait, to be sure we are not locked	540	sub lock_active($) {
217	lock_wait $key;	541	$LOCKS->count ($_[0]) < 1
218
219	$LOCK{$key} = [];
220
221	Coro::guard {
222	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };
224	}
225	}	542	}
226		543
227	sub freeze_mainloop {	544	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
229		546
230	my $guard = Coro::guard { $TICK_WATCHER->start };	547	&Guard::guard (\&tick_inhibit_dec);
231	$TICK_WATCHER->stop;	548	}
232	$guard	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($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
		617	}
		618	};
		619
		620	sub get_slot($;$$) {
		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	$sig->wait;
233	}	633	}
234		634
235	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
236		636
237	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		642
243	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
244		644
245	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
246		646
247	The design of crossfire+ requires that the main coro ($Coro::main) is	647	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	648	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		650	acceptable.
250		651
251	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	654	server will be frozen during this time, so the block should either finish
254	fast or be very important.	655	fast or be very important.
…		…
256	=cut	657	=cut
257		658
258	sub sync_job(&) {	659	sub sync_job(&) {
259	my ($job) = @_;	660	my ($job) = @_;
260		661
261	if ($Coro::current == $Coro::main) {	662	if (in_main) {
		663	my $time = AE::time;
		664
262	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
264		667
265	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	669
267	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
268		671
269	my $busy = 1;	672	my $busy = 1;
270	my @res;	673	my @res;
271		674
272	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	677	@res = eval { $job->() };
274	warn $@ if $@;	678	error $@ if $@;
275	undef $busy;	679	undef $busy;
276	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
277		681
278	while ($busy) {	682	while ($busy) {
279	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
280	}	687	}
		688	}
		689
		690	my $time = AE::time - $time;
		691
		692	$TICK_START += $time; # do not account sync jobs to server load
281		693
282	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
283	} else {	695	} else {
284	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
285		697
…		…
287	}	699	}
288	}	700	}
289		701
290	=item $coro = cf::async_ext { BLOCK }	702	=item $coro = cf::async_ext { BLOCK }
291		703
292	Like async, but this coro is automcatially being canceled when the	704	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	705	extension calling this is being unloaded.
294		706
295	=cut	707	=cut
296		708
297	sub async_ext(&) {	709	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
306		718
307	$coro	719	$coro
308	}	720	}
309		721
310	sub write_runtime {	722	=item fork_call { }, @args
311	my $runtime = cf::localdir . "/runtime";
312		723
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	724	Executes the given code block with the given arguments in a seperate
314	or return;	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.
315		728
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	729	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		730
320	aio_fsync $fh	731	sub post_fork {
321	and return;	732	reset_signals;
		733	}
322		734
323	close $fh	735	sub fork_call(&@) {
324	or return;	736	my ($cb, @args) = @_;
325		737
326	aio_rename "$runtime~", $runtime	738	# we seemingly have to make a local copy of the whole thing,
327	and return;	739	# otherwise perl prematurely frees the stuff :/
		740	# TODO: investigate and fix (likely this will be rather laborious)
328		741
		742	my @res = Coro::Util::fork_eval {
		743	cf::post_fork;
		744	&$cb
		745	} @args;
		746
		747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
329	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 => $type });
330	}	925	}
331		926
332	=back	927	=back
333		928
334	=cut	929	=cut
335		930
336	#############################################################################	931	#############################################################################
337		932
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455
456	#############################################################################
457
458	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
459		934
460	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
461	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")
462	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
463		938
464	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>
465	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
466	crossfire+).	941	Deliantra).
467		942
468	=over 4	943	=over 4
469		944
470	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
471		946
…		…
515	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
516		991
517	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
518	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
519		994
520	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
521	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.
522		997
523	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
524		999
525	=over 4	1000	=over 4
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	1060	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	1061	our @CB_MAP = ();
587		1062
588	my %attachment;	1063	my %attachment;
589		1064
		1065	sub cf::attachable::thawer_merge {
		1066	# simply override everything except _meta
		1067	local $_[0]{_meta};
		1068	%{$_[0]} = %{$_[1]};
		1069	}
		1070
590	sub _attach_cb($$$$) {	1071	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	1072	my ($registry, $event, $prio, $cb) = @_;
592		1073
593	use sort 'stable';	1074	use sort 'stable';
594		1075
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	1109	$registry = $CB_TYPE[$object_type] ||= [];
629		1110
630	} elsif ($type eq "subtype") {	1111	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	1112	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	1113	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1114	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		1115
635	} elsif ($type eq "package") {	1116	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	1117	my $pkg = shift @arg;
637		1118
638	while (my ($name, $id) = each %cb_id) {	1119	while (my ($name, $id) = each %cb_id) {
…		…
643		1124
644	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
645	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
646		1127
647	} elsif (ref $type) {	1128	} elsif (ref $type) {
648	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
649		1130
650	} else {	1131	} else {
651	shift @arg;	1132	shift @arg;
652	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
653	}	1134	}
654	}	1135	}
655	}	1136	}
656		1137
657	sub _object_attach {	1138	sub _object_attach {
…		…
667	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
668	}	1149	}
669		1150
670	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
671	} else {	1152	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
673	}	1154	}
674		1155
675	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
676	}	1157	}
677		1158
…		…
679	if (ref $_[0]) {	1160	if (ref $_[0]) {
680	_object_attach @_;	1161	_object_attach @_;
681	} else {	1162	} else {
682	_attach shift->_attach_registry, @_;	1163	_attach shift->_attach_registry, @_;
683	}	1164	}
		1165	_recalc_want;
684	};	1166	};
685		1167
686	# all those should be optimised	1168	# all those should be optimised
687	sub cf::attachable::detach {	1169	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	1170	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	1173	delete $obj->{_attachment}{$name};
692	reattach ($obj);	1174	reattach ($obj);
693	} else {	1175	} else {
694	Carp::croak "cannot, currently, detach class attachments";	1176	Carp::croak "cannot, currently, detach class attachments";
695	}	1177	}
		1178	_recalc_want;
696	};	1179	};
697		1180
698	sub cf::attachable::attached {	1181	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	1182	my ($obj, $name) = @_;
700		1183
…		…
715	";	1198	";
716	die if $@;	1199	die if $@;
717	}	1200	}
718		1201
719	our $override;	1202	our $override;
720	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?
721		1204
722	sub override {	1205	sub override {
723	$override = 1;	1206	$override = 1;
724	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
725	}	1208	}
726		1209
727	sub do_invoke {	1210	sub do_invoke {
728	my $event = shift;	1211	my $event = shift;
729	my $callbacks = shift;	1212	my $callbacks = shift;
730		1213
731	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
732		1215
733	local $override;	1216	local $override;
734		1217
735	for (@$callbacks) {	1218	for (@$callbacks) {
736	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
737		1220
738	if ($@) {	1221	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1223	override;
742	}	1224	}
743		1225
744	return 1 if $override;	1226	return 1 if $override;
745	}	1227	}
746		1228
747	0	1229	0
748	}	1230	}
749		1231
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1233
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1235
754	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
755		1237
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1241
760	=back	1242	=back
761		1243
762	=cut	1244	=cut
763		1245
764	#############################################################################	1246	#############################################################################
765	# 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	}
766		1290
767	sub reattach {	1291	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1293	my ($obj) = @_;
		1294
		1295	# no longer needed after getting rid of delete_package?
		1296	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		1297
771	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
772		1299
773	@$registry = ();	1300	@$registry = ();
774		1301
…		…
779	for (@$attach) {	1306	for (@$attach) {
780	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
781	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
782	}	1309	}
783	} else {	1310	} else {
784	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
785	}	1312	}
786	}	1313	}
787	}	1314	}
788		1315
789	cf::attachable->attach (	1316	cf::attachable->attach (
790	prio => -1000000,	1317	prio => -1000000,
791	on_instantiate => sub {	1318	on_instantiate => sub {
792	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
793		1320
794	$data = from_json $data;	1321	$data = decode_json $data;
795		1322
796	for (@$data) {	1323	for (@$data) {
797	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
798		1325
799	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1342	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
817		1344
818	sync_job {	1345	sync_job {
819	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
822		1351
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		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;
826	aio_fsync $fh;	1357	aio_fsync $fh;
		1358	}
827	close $fh;	1359	aio_close $fh;
828		1360
829	if (@$objs) {	1361	if (@$objs) {
830	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) {
831	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
		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;
834	aio_fsync $fh;	1368	aio_fsync $fh;
		1369	}
835	close $fh;	1370	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
837	}	1372	}
838	} else {	1373	} else {
839	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
840	}	1375	}
841		1376
842	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
843	} else {	1381	} else {
844	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
845	}	1383	}
846	} else {	1384	} else {
847	aio_unlink $filename;	1385	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
849	}	1387	}
850	}	1388	};
851	}	1389	}
852		1390
853	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
855		1393
…		…
867	or return;	1405	or return;
868		1406
869	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
871	or return;	1409	or return;
		1410
872	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
873	}	1413	}
874		1414
		1415	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
877	return ($data, $av);	1420	($data, $av)
878	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
879		1428
880	#############################################################################	1429	#############################################################################
881	# command handling &c	1430	# command handling &c
882		1431
883	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1446	}
898		1447
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1449
901	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.
902		1455
903	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
904	called.	1457	called.
905		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
906	=cut	1470	=cut
907		1471
908	sub register_extcmd {	1472	sub register_extcmd {
909	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
910		1474
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1475	$EXTCMD{$name} = $cb;
915	}	1476	}
		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
916		1485
917	cf::player->attach (	1486	cf::player->attach (
918	on_command => sub {	1487	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
920		1489
921	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
922	or return;	1491	or return;
923		1492
…		…
928	cf::override;	1497	cf::override;
929	},	1498	},
930	on_extcmd => sub {	1499	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
932		1501
933	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1503
935	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
941	} else {	1516	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1518	}
944		1519
945	cf::override;	1520	cf::override;
946	},	1521	},
947	);	1522	);
948		1523
949	sub register {	1524	# "readahead" all extensions
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	1525	sub cache_extensions {
956	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
957		1527
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
960	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}	1531	}
1008	}	1532	};
1009		1533
1010	# remove extcmds	1534	$grp
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {	1535	}
1012	delete $EXTCMD{$name};
1013	}
1014		1536
1015	if (my $cb = $pkg->can ("unload")) {	1537	sub _ext_cfg_reg($$$$) {
1016	eval {	1538	my ($rvar, $varname, $cfgname, $default) = @_;
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021		1539
1022	Symbol::delete_package $pkg;	1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
1023	}	1546	}
1024		1547
1025	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
1026	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1557	next unless -r $path;
1028	eval {	1558
1029	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 $active;
		1630	}
1030	1	1631	}
1031	} or warn "$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 $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
		1643	}
1032	}	1644	};
1033	}	1645	}
1034		1646
1035	#############################################################################	1647	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1648
1038	*cf::mapsupport::on_clean = sub {	1649	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1650
1073	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1074		1652
1075	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1076		1654
1077	=cut	1655	=cut
1078		1656
1079	package cf::player;	1657	package cf::player;
1080		1658
		1659	use Coro::AIO;
		1660
1081	=head3 cf::player	1661	=head3 cf::player
1082		1662
1083	=over 4	1663	=over 4
1084		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
1085	=item cf::player::find $login	1679	=item cf::player::find $login
1086		1680
1087	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
1088		1682
1089	=cut	1683	=cut
1090		1684
1091	sub playerdir($) {	1685	sub playerdir($) {
1092	cf::localdir	1686	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1687	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1688	}
1098		1689
1099	sub path($) {	1690	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1691	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1692
1102	(playerdir $login) . "/$login.pl"	1693	(playerdir $login) . "/playerdata"
1103	}	1694	}
1104		1695
1105	sub find_active($) {	1696	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1697	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1698	and $cf::PLAYER{$_[0]}->active
…		…
1110		1701
1111	sub exists($) {	1702	sub exists($) {
1112	my ($login) = @_;	1703	my ($login) = @_;
1113		1704
1114	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1706	or !aio_stat path $login
1116	}	1707	}
1117		1708
1118	sub find($) {	1709	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1711	my $login = $_[0];
1121		1712
1122	my $guard = cf::lock_acquire "user_find:$login";	1713	my $guard = cf::lock_acquire "user_find:$login";
1123		1714
1124	$cf::PLAYER{$_[0]} || do {	1715	$cf::PLAYER{$_[0]} || do {
1125	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
1126	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;
1127	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1128	}	1732	}
1129	}	1733	}
1130	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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	);
1131		1748
1132	sub save($) {	1749	sub save($) {
1133	my ($pl) = @_;	1750	my ($pl) = @_;
1134		1751
1135	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1137	my $path = path $pl;	1754	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	1755	my $guard = cf::lock_acquire "user_save:$path";
1139		1756
1140	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1141		1758
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1144		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
1145	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1146	Coro::cede;	1768	cf::cede_to_tick;
1147	}	1769	}
1148		1770
1149	sub new($) {	1771	sub new($) {
1150	my ($login) = @_;	1772	my ($login) = @_;
1151		1773
…		…
1157	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1158		1780
1159	$self	1781	$self
1160	}	1782	}
1161		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
		1794	=item $pl->quit_character
		1795
		1796	Nukes the player without looking back. If logged in, the connection will
		1797	be destroyed. May block for a long time.
		1798
		1799	=cut
		1800
1162	sub quit_character {	1801	sub quit_character {
1163	my ($pl) = @_;	1802	my ($pl) = @_;
1164		1803
		1804	my $name = $pl->ob->name;
		1805
1165	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1166	$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
1167		1808
1168	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1169	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1171	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1172		1817
1173	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1820	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1821	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	1822	$pl->destroy;
		1823
		1824	my $prefix = qr<^~\Q$name\E/>;
		1825
		1826	# nuke player maps
		1827	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1828
1178	IO::AIO::aio_rmtree $temp;	1829	IO::AIO::aio_rmtree $temp;
1179	}	1830	}
1180		1831
		1832	=item $pl->kick
		1833
		1834	Kicks a player out of the game. This destroys the connection.
		1835
		1836	=cut
		1837
		1838	sub kick {
		1839	my ($pl, $kicker) = @_;
		1840
		1841	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1842	$pl->killer ("kicked");
		1843	$pl->ns->destroy;
		1844	}
		1845
		1846	=item cf::player::list_logins
		1847
		1848	Returns am arrayref of all valid playernames in the system, can take a
		1849	while and may block, so not sync_job-capable, ever.
		1850
		1851	=cut
		1852
		1853	sub list_logins {
		1854	my $dirs = aio_readdir $PLAYERDIR
		1855	or return [];
		1856
		1857	my @logins;
		1858
		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") {
		1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1866	aio_read $fh, 0, 512, my $buf, 0 or next;
		1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
		1869
		1870	utf8::decode $login;
		1871	push @logins, $login;
		1872	}
		1873
		1874	\@logins
		1875	}
		1876
		1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
		1880
		1881	Returns an arrayref of map paths that are private for this
		1882	player. May block.
		1883
		1884	=cut
		1885
		1886	sub maps($) {
		1887	my ($pl) = @_;
		1888
		1889	$pl = ref $pl ? $pl->ob->name : $pl;
		1890
		1891	my $files = aio_readdir playerdir $pl
		1892	or return;
		1893
		1894	my @paths;
		1895
		1896	for (@$files) {
		1897	utf8::decode $_;
		1898	next if /\.(?:pl|pst)$/;
		1899	next unless /^$PATH_SEP/o;
		1900
		1901	push @paths, cf::map::normalise "~$pl/$_";
		1902	}
		1903
		1904	\@paths
		1905	}
		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1182		1912
1183	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1184		1914
1185	=cut	1915	=cut
1186		1916
1187	sub ext_reply($$$%) {	1917	sub ext_reply($$@) {
1188	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1189		1919
1190	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1191
1192	$self->send ("ext " . cf::to_json \%msg);
1193	}	1921	}
1194		1922
1195	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	}
1196		1965
1197	=back	1966	=back
1198
1199		1967
1200	=head3 cf::map	1968	=head3 cf::map
1201		1969
1202	=over 4	1970	=over 4
1203		1971
…		…
1206	package cf::map;	1974	package cf::map;
1207		1975
1208	use Fcntl;	1976	use Fcntl;
1209	use Coro::AIO;	1977	use Coro::AIO;
1210		1978
		1979	use overload
		1980	'""' => \&as_string,
		1981	fallback => 1;
		1982
1211	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1213		1985
1214	sub generate_random_map {	1986	sub generate_random_map {
		1987	my ($self, $rmp) = @_;
		1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
		1991	$self->_create_random_map ($rmp);
		1992	}
		1993
		1994	=item cf::map->register ($regex, $prio)
		1995
		1996	Register a handler for the map path matching the given regex at the
		1997	givne priority (higher is better, built-in handlers have priority 0, the
		1998	default).
		1999
		2000	=cut
		2001
		2002	sub register {
		2003	my (undef, $regex, $prio) = @_;
		2004	my $pkg = caller;
		2005
		2006	push @{"$pkg\::ISA"}, __PACKAGE__;
		2007
		2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		2009	}
		2010
		2011	# also paths starting with '/'
		2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		2013
		2014	sub thawer_merge {
		2015	my ($self, $merge) = @_;
		2016
		2017	# we have to keep some variables in memory intact
		2018	local $self->{path};
		2019	local $self->{load_path};
		2020
		2021	$self->SUPER::thawer_merge ($merge);
		2022	}
		2023
		2024	sub normalise {
1215	my ($path, $rmp) = @_;	2025	my ($path, $base) = @_;
1216		2026
1217	# mit "rum" bekleckern, nicht	2027	$path = "$path"; # make sure it's a string
1218	cf::map::_create_random_map	2028
		2029	$path =~ s/\.map$//;
		2030
		2031	# map plan:
		2032	#
		2033	# /! non-realised random map exit (special hack!)
		2034	# {... are special paths that are not being touched
		2035	# ?xxx/... are special absolute paths
		2036	# ?random/... random maps
		2037	# /... normal maps
		2038	# ~user/... per-player map of a specific user
		2039
		2040	$path =~ s/$PATH_SEP/\//go;
		2041
		2042	# treat it as relative path if it starts with
		2043	# something that looks reasonable
		2044	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		2045	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		2046
		2047	$base =~ s{[^/]+/?$}{};
		2048	$path = "$base/$path";
		2049	}
		2050
		2051	for ($path) {
		2052	redo if s{/\.?/}{/};
		2053	redo if s{/[^/]+/\.\./}{/};
		2054	}
		2055
1219	$path,	2056	$path
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(cf::region::find $rmp->{region})
1231	}	2057	}
1232		2058
1233	# and all this just because we cannot iterate over	2059	sub new_from_path {
1234	# all maps in C++...	2060	my (undef, $path, $base) = @_;
1235	sub change_all_map_light {	2061
		2062	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		2063
		2064	$path = normalise $path, $base;
		2065
		2066	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		2067	if ($path =~ $EXT_MAP{$pkg}[1]) {
		2068	my $self = bless cf::map::new, $pkg;
		2069	$self->{path} = $path; $self->path ($path);
		2070	$self->init; # pass $1 etc.
		2071	return $self;
		2072	}
		2073	}
		2074
		2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
		2076	()
		2077	}
		2078
		2079	# may re-bless or do other evil things
		2080	sub init {
1236	my ($change) = @_;	2081	my ($self) = @_;
1237		2082
1238	$_->change_map_light ($change)	2083	$self
1239	for grep $_->outdoor, values %cf::MAP;
1240	}	2084	}
1241		2085
		2086	sub as_string {
		2087	my ($self) = @_;
		2088
		2089	"$self->{path}"
		2090	}
		2091
		2092	# the displayed name, this is a one way mapping
		2093	sub visible_name {
		2094	&as_string
		2095	}
		2096
		2097	# the original (read-only) location
		2098	sub load_path {
		2099	my ($self) = @_;
		2100
		2101	"$MAPDIR/$self->{path}.map"
		2102	}
		2103
		2104	# the temporary/swap location
		2105	sub save_path {
		2106	my ($self) = @_;
		2107
		2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2109	"$TMPDIR/$path.map"
		2110	}
		2111
		2112	# the unique path, undef == no special unique path
		2113	sub uniq_path {
		2114	my ($self) = @_;
		2115
		2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2117	"$UNIQUEDIR/$path"
		2118	}
		2119
		2120	sub decay_objects {
		2121	my ($self) = @_;
		2122
		2123	return if $self->{deny_reset};
		2124
		2125	$self->do_decay_objects;
		2126	}
		2127
		2128	sub unlink_save {
		2129	my ($self) = @_;
		2130
		2131	utf8::encode (my $save = $self->save_path);
		2132	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2133	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2134	}
		2135
1242	sub try_load_header($) {	2136	sub load_header_from($) {
1243	my ($path) = @_;	2137	my ($self, $path) = @_;
1244		2138
1245	utf8::encode $path;	2139	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1247	or return;	2141	or return;
1248		2142
1249	my $map = cf::map::new	2143	$self->_load_header ($f)
1250	or return;	2144	or return;
1251		2145
1252	# for better error messages only, will be overwritten	2146	local $MAP_LOADING{$self->{path}} = $self;
1253	$map->path ($path);	2147	$f->resolve_delayed_derefs;
1254		2148
1255	$map->load_header ($path)	2149	$self->{load_path} = $path;
		2150
		2151	1
		2152	}
		2153
		2154	# used to laod the header of an original map
		2155	sub load_header_orig {
		2156	my ($self) = @_;
		2157
		2158	$self->load_header_from ($self->load_path)
		2159	}
		2160
		2161	# used to laod the header of an instantiated map
		2162	sub load_header_temp {
		2163	my ($self) = @_;
		2164
		2165	$self->load_header_from ($self->save_path)
		2166	}
		2167
		2168	# called after loading the header from an instantiated map
		2169	sub prepare_temp {
		2170	my ($self) = @_;
		2171
		2172	$self->last_access ((delete $self->{last_access})
		2173	|| $cf::RUNTIME); #d#
		2174	# safety
		2175	$self->{instantiate_time} = $cf::RUNTIME
		2176	if $self->{instantiate_time} > $cf::RUNTIME;
		2177	}
		2178
		2179	# called after loading the header from an original map
		2180	sub prepare_orig {
		2181	my ($self) = @_;
		2182
		2183	$self->{load_original} = 1;
		2184	$self->{instantiate_time} = $cf::RUNTIME;
		2185	$self->last_access ($cf::RUNTIME);
		2186	$self->instantiate;
		2187	}
		2188
		2189	sub load_header {
		2190	my ($self) = @_;
		2191
		2192	if ($self->load_header_temp) {
		2193	$self->prepare_temp;
		2194	} else {
		2195	$self->load_header_orig
1256	or return;	2196	or return;
		2197	$self->prepare_orig;
		2198	}
1257		2199
1258	$map->{load_path} = $path;	2200	$self->{deny_reset} = 1
		2201	if $self->no_reset;
1259		2202
1260	$map	2203	$self->default_region (cf::region::find_by_path $self->{path})
		2204	unless $self->default_region;
		2205
		2206	1
1261	}	2207	}
1262		2208
1263	sub find;	2209	sub find;
1264	sub find {	2210	sub find {
1265	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1266		2212
1267	#warn "find<$path,$origin>\n";#d#	2213	cf::cede_to_tick;
1268		2214
1269	$path = new cf::path $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1270	my $key = $path->as_string;
1271		2216
1272	cf::lock_wait "map_find:$key";	2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1273
1274	$cf::MAP{$key} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1276		2219
1277	# do it the slow way	2220	$cf::MAP{$path} || do {
1278	my $map = try_load_header $path->save_path;	2221	my $map = new_from_path cf::map $path
1279
1280	Coro::cede;
1281
1282	if ($map) {
1283	$map->last_access ((delete $map->{last_access})
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$map->{instantiate_time} = $cf::RUNTIME
1287	if $map->{instantiate_time} > $cf::RUNTIME;
1288	} else {
1289	if (my $rmp = $path->random_map_params) {
1290	$map = generate_random_map $key, $rmp;
1291	} else {
1292	$map = try_load_header $path->load_path;
1293	}
1294
1295	$map or return;	2222	or return;
1296		2223
1297	$map->{load_original} = 1;
1298	$map->{instantiate_time} = $cf::RUNTIME;
1299	$map->last_access ($cf::RUNTIME);
1300	$map->instantiate;
1301
1302	# per-player maps become, after loading, normal maps
1303	$map->per_player (0) if $path->{user_rel};
1304	}
1305
1306	$map->path ($key);
1307	$map->{path} = $path;
1308	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1309		2225
1310	Coro::cede;	2226	$map->load_header
		2227	or return;
1311		2228
1312	if ($map->should_reset) {	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2230	# doing this can freeze the server in a sync job, obviously
		2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1313	$map->reset;	2234	$map->reset;
1314	undef $guard;
1315	$map = find $path	2235	return find $path;
1316	or return;
1317	}	2236	}
1318		2237
1319	$cf::MAP{$key} = $map	2238	$cf::MAP{$path} = $map
1320	}	2239	}
1321	}	2240	}
		2241
		2242	sub pre_load { }
		2243	#sub post_load { } # XS
1322		2244
1323	sub load {	2245	sub load {
1324	my ($self) = @_;	2246	my ($self) = @_;
1325		2247
		2248	local $self->{deny_reset} = 1; # loading can take a long time
		2249
1326	my $path = $self->{path};	2250	my $path = $self->{path};
		2251
		2252	{
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2253	my $guard = cf::lock_acquire "map_data:$path";
1328		2254
1329	return if $self->in_memory != cf::MAP_SWAPPED;	2255	return unless $self->valid;
		2256	return unless $self->state == cf::MAP_SWAPPED;
1330		2257
1331	$self->in_memory (cf::MAP_LOADING);
1332
1333	$self->alloc;	2258	$self->alloc;
1334	$self->load_objects ($self->{load_path}, 1)	2259
		2260	$self->pre_load;
		2261	cf::cede_to_tick;
		2262
		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)
1335	or return;	2267	or return;
1336		2268
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1338	if delete $self->{load_original};	2270	if delete $self->{load_original};
1339		2271
1340	if (my $uniq = $path->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	2273	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1343	$self->clear_unique_items;	2276	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1345	}	2281	}
1346	}
1347		2282
1348	Coro::cede;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
1349		2288
		2289	$self->state (cf::MAP_INACTIVE);
		2290
		2291	cf::cede_to_tick;
1350	# now do the right thing for maps	2292	# now do the right thing for maps
1351	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1352
1353	if ($self->{path}->is_style_map) {
1354	$self->{deny_save} = 1;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;
1360	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	2295	unless $self->difficulty;
1363	$self->activate;	2296	cf::cede_to_tick;
		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);
		2308	}
		2309
		2310	$self->post_load;
		2311
1364	}	2312	1
		2313	}
1365		2314
1366	Coro::cede;	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
		2318	sub customise_for {
		2319	my ($self, $ob) = @_;
1367		2320
1368	$self->in_memory (cf::MAP_IN_MEMORY);	2321	return find "~" . $ob->name . "/" . $self->{path}
		2322	if $self->per_player;
		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
		2327	$self
1369	}	2328	}
1370		2329
1371	sub find_sync {	2330	sub find_sync {
1372	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1373		2332
1374	cf::sync_job { cf::map::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
1375	}	2338	}
1376		2339
1377	sub do_load_sync {	2340	sub do_load_sync {
1378	my ($map) = @_;	2341	my ($map) = @_;
1379		2342
1380	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;
		2348	}
		2349
		2350	our %MAP_PREFETCH;
		2351	our $MAP_PREFETCHER = undef;
		2352
		2353	sub find_async {
		2354	my ($path, $origin, $load) = @_;
		2355
		2356	$path = normalise $path, $origin;
		2357
		2358	if (my $map = $cf::MAP{$path}) {
		2359	return $map if !$load || $map->linkable;
		2360	}
		2361
		2362	$MAP_PREFETCH{$path} |= $load;
		2363
		2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
		2367	while (%MAP_PREFETCH) {
		2368	while (my ($k, $v) = each %MAP_PREFETCH) {
		2369	if (my $map = find $k) {
		2370	$map->load if $v;
		2371	}
		2372
		2373	delete $MAP_PREFETCH{$k};
		2374	}
		2375	}
		2376	undef $MAP_PREFETCHER;
		2377	};
		2378	$MAP_PREFETCHER->prio (6);
		2379
		2380	()
		2381	}
		2382
		2383	# common code, used by both ->save and ->swapout
		2384	sub _save {
		2385	my ($self) = @_;
		2386
		2387	$self->{last_save} = $cf::RUNTIME;
		2388
		2389	return unless $self->dirty;
		2390
		2391	my $save = $self->save_path; utf8::encode $save;
		2392	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2393
		2394	$self->{load_path} = $save;
		2395
		2396	return if $self->{deny_save};
		2397
		2398	local $self->{last_access} = $self->last_access;#d#
		2399
		2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
		2402	$_->contr->save for $self->players;
		2403	};
		2404
		2405	cf::get_slot 0.02;
		2406
		2407	if ($uniq) {
		2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2410	} else {
		2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2412	}
1381	}	2413	}
1382		2414
1383	sub save {	2415	sub save {
1384	my ($self) = @_;	2416	my ($self) = @_;
1385		2417
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
1387		2419
1388	$self->{last_save} = $cf::RUNTIME;	2420	$self->_save;
1389
1390	return unless $self->dirty;
1391
1392	my $save = $self->{path}->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1394
1395	$self->{load_path} = $save;
1396
1397	return if $self->{deny_save};
1398
1399	local $self->{last_access} = $self->last_access;#d#
1400
1401	cf::async {
1402	$_->contr->save for $self->players;
1403	};
1404
1405	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}
1411	}	2421	}
1412		2422
1413	sub swap_out {	2423	sub swap_out {
1414	my ($self) = @_;	2424	my ($self) = @_;
1415		2425
1416	# save first because save cedes
1417	$self->save;
1418
1419	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1420		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1421	return if $self->players;	2430	return if $self->players;
1422	return if $self->in_memory != cf::MAP_IN_MEMORY;
1423	return if $self->{deny_save};
1424		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
1425	$self->clear;	2441	$self->clear;
1426	$self->in_memory (cf::MAP_SWAPPED);
1427	}	2442	}
1428		2443
1429	sub reset_at {	2444	sub reset_at {
1430	my ($self) = @_;	2445	my ($self) = @_;
1431		2446
1432	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};
1434	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1435		2449
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	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;
1438		2452
…		…
1443	my ($self) = @_;	2457	my ($self) = @_;
1444		2458
1445	$self->reset_at <= $cf::RUNTIME	2459	$self->reset_at <= $cf::RUNTIME
1446	}	2460	}
1447		2461
1448	sub unlink_save {
1449	my ($self) = @_;
1450
1451	utf8::encode (my $save = $self->{path}->save_path);
1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1454	}
1455
1456	sub rename {
1457	my ($self, $new_path) = @_;
1458
1459	$self->unlink_save;
1460
1461	delete $cf::MAP{$self->path};
1462	$self->{path} = new cf::path $new_path;
1463	$self->path ($self->{path}->as_string);
1464	$cf::MAP{$self->path} = $self;
1465
1466	$self->save;
1467	}
1468
1469	sub reset {	2462	sub reset {
1470	my ($self) = @_;	2463	my ($self) = @_;
1471		2464
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		2466
1474	return if $self->players;	2467	return if $self->players;
1475	return if $self->{path}{user_rel};#d#
1476		2468
1477	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
		2470
		2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# need to save uniques path
		2474	unless ($self->{deny_save}) {
		2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2476
		2477	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2478	if $uniq;
		2479	}
1478		2480
1479	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1480		2482
		2483	$self->deactivate;
1481	$_->clear_links_to ($self) for values %cf::MAP;	2484	$_->clear_links_to ($self) for values %cf::MAP;
		2485	$self->clear;
1482		2486
1483	$self->unlink_save;	2487	$self->unlink_save;
1484	$self->destroy;	2488	$self->destroy;
1485	}	2489	}
1486		2490
1487	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1488		2492
1489	sub nuke {	2493	sub nuke {
1490	my ($self) = @_;	2494	my ($self) = @_;
1491		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
		2499	delete $cf::MAP{$self->path};
		2500
		2501	$self->unlink_save;
		2502
		2503	bless $self, "cf::map::wrap";
		2504	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2508
		2509	$cf::MAP{$self->path} = $self;
		2510	}
		2511
1495	$self->reset; # polite request, might not happen	2512	$self->reset; # polite request, might not happen
1496	}	2513	}
1497		2514
1498	sub customise_for {	2515	=item $maps = cf::map::tmp_maps
1499	my ($map, $ob) = @_;
1500		2516
1501	if ($map->per_player) {	2517	Returns an arrayref with all map paths of currently instantiated and saved
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2518	maps. May block.
		2519
		2520	=cut
		2521
		2522	sub tmp_maps() {
1503	}	2523	[
1504		2524	map {
1505	$map	2525	utf8::decode $_;
		2526	/\.map$/
		2527	? normalise $_
		2528	: ()
		2529	} @{ aio_readdir $TMPDIR or [] }
		2530	]
1506	}	2531	}
1507		2532
1508	sub emergency_save {	2533	=item $maps = cf::map::random_maps
1509	my $freeze_guard = cf::freeze_mainloop;
1510		2534
1511	warn "enter emergency perl save\n";	2535	Returns an arrayref with all map paths of currently instantiated and saved
		2536	random maps. May block.
1512		2537
1513	cf::sync_job {	2538	=cut
1514	warn "begin emergency player save\n";
1515	$_->save for values %cf::PLAYER;
1516	warn "end emergency player save\n";
1517		2539
1518	warn "begin emergency map save\n";	2540	sub random_maps() {
1519	$_->save for values %cf::MAP;	2541	[
1520	warn "end emergency map save\n";	2542	map {
		2543	utf8::decode $_;
		2544	/\.map$/
		2545	? normalise "?random/$_"
		2546	: ()
		2547	} @{ aio_readdir $RANDOMDIR or [] }
		2548	]
		2549	}
		2550
		2551	=item cf::map::unique_maps
		2552
		2553	Returns an arrayref of paths of all shared maps that have
		2554	instantiated unique items. May block.
		2555
		2556	=cut
		2557
		2558	sub unique_maps() {
		2559	[
		2560	map {
		2561	utf8::decode $_;
		2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
		2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
		2567	]
		2568	}
		2569
		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;
1521	};	2597	}
1522		2598
1523	warn "leave emergency perl save\n";	2599	\@maps
		2600	}
		2601
		2602	=back
		2603
		2604	=head3 cf::object
		2605
		2606	=cut
		2607
		2608	package cf::object;
		2609
		2610	=over 4
		2611
		2612	=item $ob->inv_recursive
		2613
		2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
		2616
		2617	=cut
		2618
		2619	sub inv_recursive_;
		2620	sub inv_recursive_ {
		2621	map { $_, inv_recursive_ $_->inv } @_
		2622	}
		2623
		2624	sub inv_recursive {
		2625	inv_recursive_ inv $_[0]
		2626	}
		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	}
1524	}	2654	}
1525		2655
1526	package cf;	2656	package cf;
1527		2657
1528	=back	2658	=back
1529
1530		2659
1531	=head3 cf::object::player	2660	=head3 cf::object::player
1532		2661
1533	=over 4	2662	=over 4
1534		2663
…		…
1537	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>
1538	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
1539	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1540		2669
1541	=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	};
1542		2685
1543	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1544	# with dialog boxes.	2687	# with dialog boxes.
1545	#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
1546	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1548		2691
1549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1550		2693
1551	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1553	} 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 {
1554	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1555	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1556	}	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 (@_);
1557	}	2719	}
1558		2720
1559	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1560		2722
1561	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1574		2736
1575	=item $player_object->enter_link	2737	=item $player_object->enter_link
1576		2738
1577	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}>).
1578		2740
1579	The player should be reaosnably safe there for short amounts of time. You	2741	The player should be reasonably safe there for short amounts of time (e.g.
1580	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.
		2745
		2746	Will never block.
1581		2747
1582	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1583		2749
1584	Moves the player out of the specila link map onto the given map. If the	2750	Moves the player out of the special C<{link}> map onto the specified
1585	map is not valid (or omitted), the player will be moved back to the	2751	map. If the map is not valid (or omitted), the player will be moved back
1586	location he/she was before the call to C<enter_link>, or, if that fails,	2752	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	2753	fails, to the emergency map position.
1588		2754
1589	Might block.	2755	Might block.
1590		2756
1591	=cut	2757	=cut
		2758
		2759	sub link_map {
		2760	unless ($LINK_MAP) {
		2761	$LINK_MAP = cf::map::find "{link}"
		2762	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2763	$LINK_MAP->load;
		2764	}
		2765
		2766	$LINK_MAP
		2767	}
1592		2768
1593	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1594	my ($self) = @_;	2770	my ($self) = @_;
1595		2771
1596	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1597		2773
1598	return if $self->map == $LINK_MAP;	2774	++$self->{_link_recursion};
		2775
		2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		2777
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1602		2780
1603	$self->enter_map ($LINK_MAP, 20, 20);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1604	}	2782	}
1605		2783
1606	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1608		2788
1609	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1610		2790
1611	unless ($map) {	2791	unless ($map) {
1612	# restore original map position	2792	# restore original map position
…		…
1623	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1624	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1625		2805
1626	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1629		2809
1630	$map->load;	2810	$map->load;
1631		2811
1632	return unless $self->contr->active;	2812	return unless $self->contr->active;
		2813
		2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2815	if ($self->enter_map ($map, $x, $y)) {
		2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
1633	$self->activate_recursive;	2819	$self->activate_recursive;
1634	$self->enter_map ($map, $x, $y);
1635	}
1636
1637	cf::player->attach (
1638	on_logout => sub {
1639	my ($pl) = @_;
1640
1641	# abort map switching before logout
1642	if ($pl->ob->{_link_pos}) {
1643	cf::sync_job {
1644	$pl->ob->leave_link
1645	};
1646	}
1647	},	2820	}
1648	on_login => sub {
1649	my ($pl) = @_;
1650		2821
1651	# try to abort aborted map switching on player login :)	2822	}
1652	# should happen only on crashes
1653	if ($pl->ob->{_link_pos}) {
1654	$pl->ob->enter_link;
1655	(async {
1656	# we need this sleep as the login has a concurrent enter_exit running
1657	# and this sleep increases chances of the player not ending up in scorn
1658	$pl->ob->reply (undef,
1659	"There was an internal problem at your last logout, "
1660	. "the server will try to bring you to your intended destination in a second.",
1661	cf::NDI_RED);
1662	Coro::Timer::sleep 1;
1663	$pl->ob->leave_link;
1664	})->prio (2);
1665	}
1666	},
1667	);
1668		2823
1669	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1670		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
1671	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1672		2838
1673	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1674	my ($self, $path, $x, $y) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
1675		2841
1676	$path = new cf::path $path;	2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
1677	$path ne "/" or Carp::cluck ("oy");#d#	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;
1678		2850
1679	$self->enter_link;	2851	$self->enter_link;
1680		2852
1681	(async {	2853	(async {
1682	my $map = cf::map::find $path->as_string;	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
		2875	my $map = eval {
		2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1683	$map = $map->customise_for ($self) if $map;	2879	$map = $map->customise_for ($self);
1684		2880	$map = $check->($map, $x, $y, $self) if $check && $map;
1685	# warn "entering ", $map->path, " at ($x, $y)\n"	2881	} else {
1686	# if $map;
1687
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2883	}
1689		2884
		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 $@;
		2891	}
		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1690	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1691	})->prio (1);	2899	})->prio (1);
1692	}	2900	}
1693		2901
1694	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1695		2903
…		…
1697		2905
1698	sub parse_random_map_params {	2906	sub parse_random_map_params {
1699	my ($spec) = @_;	2907	my ($spec) = @_;
1700		2908
1701	my $rmp = { # defaults	2909	my $rmp = { # defaults
1702	xsize => 10,	2910	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	2911	ysize => (cf::rndm 15, 40),
		2912	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2913	#layout => string,
1704	};	2914	};
1705		2915
1706	for (split /\n/, $spec) {	2916	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	2917	my ($k, $v) = split /\s+/, $_, 2;
1708		2918
…		…
1720	# that depends on the exit object	2930	# that depends on the exit object
1721		2931
1722	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
1723		2933
1724	if ($exit->map) {	2934	if ($exit->map) {
1725	$rmp->{region} = $exit->map->region_name;	2935	$rmp->{region} = $exit->region->name;
1726	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
1727	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
1728	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
1729	}	2941	}
1730		2942
1731	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
1732		2944
1733	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1734	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
		2947	my $meta = "$RANDOMDIR/$md5.meta";
1735		2948
1736	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
		2951	undef $fh;
		2952	aio_rename "$meta~", $meta;
1738		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
1739	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
1741	}	2960	}
1742	}	2961	}
1743		2962
1744	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
1745	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
…		…
1747	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
1748		2967
1749	$self->enter_link;	2968	$self->enter_link;
1750		2969
1751	(async {	2970	(async {
1752	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
1753	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
1754	prepare_random_map $exit	2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
1755	if $exit->slaying eq "/!";	2990	$map = $exit->slaying;
1756		2991
1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2992	} elsif ($slaying eq '!up') {
1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
1759		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
		3003	$self->goto ($map, $x, $y);
		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
1760	1;	3009	1
1761	}) {	3010	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
1763	. "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. "
1764	. "Please report this to the dungeon master",	3013	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
1766		3015
1767	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
1768	$self->leave_link;	3017	$self->leave_link;
1769	}	3018	}
1770	})->prio (1);	3019	})->prio (1);
1771	}	3020	}
1772		3021
…		…
1783		3032
1784	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
1785	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
1786		3035
1787	utf8::encode $text;	3036	utf8::encode $text;
1788	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1789	}	3038	}
1790		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	}
1791		3257
1792	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
1793		3259
1794	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
1795	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>,
1796	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>.
1797		3263
1798	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
1799	reliable at some point in the future.	3265	become reliable at some point in the future.
1800		3266
1801	=cut	3267	=cut
1802		3268
1803	sub cf::client::query {	3269	sub cf::client::query {
1804	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
1812	utf8::encode $text;	3278	utf8::encode $text;
1813	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1814		3280
1815	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
1816	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
1817	}	3285	}
1818		3286
1819	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	},
1820	on_reply => sub {	3293	on_reply => sub {
1821	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
1822		3295
1823	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
1824	# get handled first	3297	# get handled first
1825	my $queue = delete $ns->{query_queue}	3298	my $queue = delete $ns->{query_queue}
1826	or return; # be conservative, not sure how that can happen, but we saw a crash here	3299	or return; # be conservative, not sure how that can happen, but we saw a crash here
1827		3300
1828	(shift @$queue)->[1]->($msg);	3301	(shift @$queue)->[1]->($msg);
		3302	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829		3303
1830	push @{ $ns->{query_queue} }, @$queue;	3304	push @{ $ns->{query_queue} }, @$queue;
1831		3305
1832	if (@{ $ns->{query_queue} } == @$queue) {	3306	if (@{ $ns->{query_queue} } == @$queue) {
1833	if (@$queue) {	3307	if (@$queue) {
…		…
1835	} else {	3309	} else {
1836	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1837	}	3311	}
1838	}	3312	}
1839	},	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	},
1840	);	3337	);
1841		3338
1842	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
1843		3340
1844	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
1860		3357
1861	$coro	3358	$coro
1862	}	3359	}
1863		3360
1864	cf::client->attach (	3361	cf::client->attach (
1865	on_destroy => sub {	3362	on_client_destroy => sub {
1866	my ($ns) = @_;	3363	my ($ns) = @_;
1867		3364
1868	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1869	},	3366	},
1870	);	3367	);
…		…
1885	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
1886	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
1887		3384
1888	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
1889		3386
1890	$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	));
1891		3392
1892	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
1893		3394
1894	=pod	3395	=pod
1895		3396
1896	The following fucntions and emthods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
1897		3398
1898	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
1899	cf::object::player player	3404	cf::object::player
1900	cf::player peaceful	3405	player
1901	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
1902		3412
1903	=cut	3413	=cut
1904		3414
1905	for (	3415	for (
1906	["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)],
1907	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
1908	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
1909	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
1910	) {	3422	) {
1911	no strict 'refs';
1912	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
1913	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
1914	for @funs;	3425	for @funs;
1915	}	3426	}
1916		3427
…		…
1931		3442
1932	my $qcode = $code;	3443	my $qcode = $code;
1933	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1934	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
1935		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
1936	local $_;	3450	local $_;
1937	local @safe::cf::_safe_eval_args = values %vars;
1938		3451
1939	my $eval =	3452	my $eval =
1940	"do {\n"	3453	"do {\n"
1941	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1942	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
1943	. $code	3456	. $code
1944	. "\n}"	3457	. "\n}"
1945	;	3458	;
1946		3459
		3460	if ($CFG{safe_eval}) {
1947	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
1948	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1949	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	}
1950		3469
1951	if ($@) {	3470	if ($@) {
1952	warn "$@";	3471	warn "$@",
1953	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
1954	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
1955	}	3474	}
1956		3475
1957	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
1958	}	3477	}
1959		3478
…		…
1973	=cut	3492	=cut
1974		3493
1975	sub register_script_function {	3494	sub register_script_function {
1976	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
1977		3496
1978	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
1979	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
1980	}	3499	}
1981		3500
1982	=back	3501	=back
1983		3502
1984	=cut	3503	=cut
1985		3504
1986	#############################################################################	3505	#############################################################################
		3506	# the server's init and main functions
1987		3507
1988	=head2 EXTENSION DATABASE SUPPORT	3508	our %FACEHASH; # hash => idx, #d# HACK for http server
1989		3509
1990	Crossfire maintains a very simple database for extension use. It can	3510	sub load_facedata($) {
1991	currently store anything that can be serialised using Storable, which	3511	my ($path) = @_;
1992	excludes objects.
1993		3512
1994	The parameter C<$family> should best start with the name of the extension	3513	# HACK to clear player env face cache, we need some signal framework
1995	using it, it should be unique.	3514	# for this (global event?)
		3515	%ext::player_env::MUSIC_FACE_CACHE = ();
1996		3516
1997	=over 4	3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1998		3518
1999	=item $hashref = cf::db_get $family	3519	trace "loading facedata from $path\n";
2000		3520
2001	Return a hashref for use by the extension C<$family>, which can be	3521	my $facedata = decode_storable load_file $path;
2002	modified. After modifications, you have to call C<cf::db_dirty> or
2003	C<cf::db_sync>.
2004		3522
2005	=item $value = cf::db_get $family => $key	3523	$facedata->{version} == 2
		3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
2006		3525
2007	Returns a single value from the database	3526	# patch in the exptable
2008		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2009	=item cf::db_put $family => $hashref	3528	$facedata->{resource}{"res/exp_table"} = {
2010		3529	type => FT_RSRC,
2011	Stores the given family hashref into the database. Updates are delayed, if	3530	data => $exp_table,
2012	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3531	hash => (Digest::MD5::md5 $exp_table),
2013
2014	=item cf::db_put $family => $key => $value
2015
2016	Stores the given C<$value> in the family hash. Updates are delayed, if you
2017	want the data to be synced to disk immediately, use C<cf::db_sync>.
2018
2019	=item cf::db_dirty
2020
2021	Marks the database as dirty, to be updated at a later time.
2022
2023	=item cf::db_sync
2024
2025	Immediately write the database to disk I<if it is dirty>.
2026
2027	=cut
2028
2029	our $DB;
2030
2031	{
2032	my $path = cf::localdir . "/database.pst";
2033
2034	sub db_load() {
2035	$DB = stat $path ? Storable::retrieve $path : { };
2036	}
2037
2038	my $pid;
2039
2040	sub db_save() {
2041	waitpid $pid, 0 if $pid;
2042	if (0 == ($pid = fork)) {
2043	$DB->{_meta}{version} = 1;
2044	Storable::nstore $DB, "$path~";
2045	rename "$path~", $path;
2046	cf::_exit 0 if defined $pid;
2047	}
2048	}
2049
2050	my $dirty;
2051
2052	sub db_sync() {
2053	db_save if $dirty;
2054	undef $dirty;
2055	}
2056
2057	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2058	db_sync;
2059	});	3532	};
		3533	cf::cede_to_tick;
2060		3534
2061	sub db_dirty() {
2062	$dirty = 1;
2063	$idle->start;
2064	}	3535	{
		3536	my $faces = $facedata->{faceinfo};
2065		3537
2066	sub db_get($;$) {	3538	for my $face (sort keys %$faces) {
2067	@_ >= 2	3539	my $info = $faces->{$face};
2068	? $DB->{$_[0]}{$_[1]}	3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2069	: ($DB->{$_[0]} ||= { })
2070	}
2071		3541
2072	sub db_put($$;$) {	3542	cf::face::set_visibility $idx, $info->{visibility};
2073	if (@_ >= 3) {	3543	cf::face::set_magicmap $idx, $info->{magicmap};
2074	$DB->{$_[0]}{$_[1]} = $_[2];	3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2075	} else {	3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2076	$DB->{$_[0]} = $_[1];	3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2077	}	3547	$FACEHASH{$info->{hash64}} = $idx;#d#
2078	db_dirty;
2079	}
2080		3548
2081	cf::global->attach (	3549	cf::cede_to_tick;
2082	prio => 10000,
2083	on_cleanup => sub {
2084	db_sync;
2085	},	3550	}
2086	);
2087	}
2088		3551
2089	#############################################################################	3552	while (my ($face, $info) = each %$faces) {
2090	# the server's main()	3553	next unless $info->{smooth};
2091		3554
2092	sub cfg_load {	3555	my $idx = cf::face::find $face
2093	open my $fh, "<:utf8", cf::confdir . "/config"	3556	or next;
2094	or return;
2095		3557
2096	local $/;	3558	if (my $smooth = cf::face::find $info->{smooth}) {
2097	*CFG = YAML::Syck::Load <$fh>;	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	}
2098		3564
		3565	cf::cede_to_tick;
		3566	}
		3567	}
		3568
		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} = $info; # unused
		3594	}
		3595
		3596	cf::cede_to_tick;
		3597	}
		3598	}
		3599
		3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3601
		3602	1
		3603	}
		3604
		3605	register_exticmd fx_want => sub {
		3606	my ($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
		3672	sub reload_resources {
		3673	trace "reloading resource files...\n";
		3674
		3675	reload_exp_table;
		3676	reload_materials;
		3677	reload_facedata;
		3678	reload_sound;
		3679	reload_archetypes;
		3680	reload_regions;
		3681	reload_treasures;
		3682
		3683	trace "finished reloading resource files\n";
		3684	}
		3685
		3686	sub reload_config {
		3687	trace "reloading config file...\n";
		3688
		3689	my $config = load_file "$CONFDIR/config";
		3690	utf8::decode $config;
		3691	*CFG = decode_yaml $config;
		3692
2099	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2100		3694
2101	$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};
2102	$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};
2103		3697
2104	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
2108	};	3702	};
2109	warn $@ if $@;	3703	warn $@ if $@;
2110	}	3704	}
2111	}	3705	}
2112		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
2113	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
2114	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
2116	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#
2117	async { Event::one_event };	3748	(async {
		3749	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3750	EV::loop EV::LOOP_ONESHOT;
		3751	})->prio (Coro::PRIO_MAX);
2118	};	3752	};
2119		3753
2120	cfg_load;	3754	evthread_start IO::AIO::poll_fileno;
2121	db_load;	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;
		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
2122	load_extensions;	3777	load_extensions;
2123	Event::loop;	3778
		3779	utime time, time, $RUNTIMEFILE;
		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;
2124	}	3796	}
2125		3797
2126	#############################################################################	3798	#############################################################################
2127	# initialisation	3799	# initialisation and cleanup
2128		3800
		3801	# install some emergency cleanup handlers
		3802	BEGIN {
		3803	our %SIGWATCHER = ();
		3804	for my $signal (qw(INT HUP TERM)) {
		3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3806	cf::cleanup "SIG$signal";
		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
		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 };
		3897	}
		3898
		3899	sub emergency_save() {
		3900	my $freeze_guard = cf::freeze_mainloop;
		3901
		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;
		3908
		3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
		3912	# use a peculiar iteration method to avoid tripping on perl
		3913	# refcount bugs in for. also avoids problems with players
		3914	# and maps saved/destroyed asynchronously.
		3915	info "emergency_perl_save: begin player save\n";
		3916	for my $login (keys %cf::PLAYER) {
		3917	my $pl = $cf::PLAYER{$login} or next;
		3918	$pl->valid or next;
		3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3920	$pl->save;
		3921	}
		3922	info "emergency_perl_save: end player save\n";
		3923
		3924	cf::write_runtime_sync; # external watchdog should not bark
		3925
		3926	info "emergency_perl_save: begin map save\n";
		3927	for my $path (keys %cf::MAP) {
		3928	my $map = $cf::MAP{$path} or next;
		3929	$map->valid or next;
		3930	$map->save;
		3931	}
		3932	info "emergency_perl_save: end map save\n";
		3933
		3934	cf::write_runtime_sync; # external watchdog should not bark
		3935
		3936	info "emergency_perl_save: begin database checkpoint\n";
		3937	BDB::db_env_txn_checkpoint $DB_ENV;
		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 $DB_ENV;
		3948
		3949	info "emergency_perl_save: starting sync\n";
		3950	IO::AIO::aio_sync sub {
		3951	info "emergency_perl_save: finished sync\n";
		3952	};
		3953
		3954	cf::write_runtime_sync; # external watchdog should not bark
		3955
		3956	trace "emergency_perl_save: flushing outstanding aio requests";
		3957	while (IO::AIO::nreqs || BDB::nreqs) {
		3958	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3959	}
		3960
		3961	cf::write_runtime_sync; # external watchdog should not bark
		3962	};
		3963
		3964	info "emergency_perl_save: leave\n";
		3965	}
		3966
		3967	sub post_cleanup {
		3968	my ($make_core) = @_;
		3969
		3970	IO::AIO::flush;
		3971
		3972	error Carp::longmess "post_cleanup backtrace"
		3973	if $make_core;
		3974
		3975	my $fh = pidfile;
		3976	unlink $PIDFILE if <$fh> == $$;
		3977	}
		3978
		3979	# a safer delete_package, copied from Symbol
		3980	sub clear_package($) {
		3981	my $pkg = shift;
		3982
		3983	# expand to full symbol table name if needed
		3984	unless ($pkg =~ /^main::.*::$/) {
		3985	$pkg = "main$pkg" if $pkg =~ /^::/;
		3986	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3987	$pkg .= '::' unless $pkg =~ /::$/;
		3988	}
		3989
		3990	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3991	my $stem_symtab = *{$stem}{HASH};
		3992
		3993	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3994	or return;
		3995
		3996	# clear all symbols
		3997	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3998	for my $name (keys %$leaf_symtab) {
		3999	_gv_clear *{"$pkg$name"};
		4000	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4001	}
		4002	}
		4003
2129	sub reload() {	4004	sub do_reload_perl() {
2130	# can/must only be called in main	4005	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
2132	warn "can only reload from main coroutine\n";	4007	error "can only reload from main coroutine";
2133	return;	4008	return;
2134	}	4009	}
2135		4010
2136	warn "reloading...";	4011	return if $RELOAD++;
2137		4012
2138	my $guard = freeze_mainloop;	4013	my $t1 = AE::time;
		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
		4021	cf::sync_job {
2139	cf::emergency_save;	4022	#cf::emergency_save;
2140		4023
2141	eval {	4024	trace "perl_reload: cancelling all extension coros";
2142	# if anything goes wrong in here, we should simply crash as we already saved
2143
2144	# cancel all watchers
2145	for (Event::all_watchers) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;
2147	}
2148
2149	# cancel all extension coros
2150	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();	4026	%EXT_CORO = ();
2152		4027
2153	# unload all extensions	4028	trace "perl_reload: removing commands";
2154	for (@exts) {	4029	%COMMAND = ();
2155	warn "unloading <$_>";
2156	unload_extension $_;
2157	}
2158		4030
2159	# unload all modules loaded from $LIBDIR	4031	trace "perl_reload: removing ext/exti commands";
2160	while (my ($k, $v) = each %INC) {	4032	%EXTCMD = ();
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4033	%EXTICMD = ();
2162		4034
2163	warn "removing <$k>";	4035	trace "perl_reload: unloading/nuking all extensions";
2164	delete $INC{$k};	4036	for my $pkg (@EXTS) {
		4037	trace "... unloading $pkg";
2165		4038
2166	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;
2168
2169	if (my $cb = $k->can ("unload_module")) {	4039	if (my $cb = $pkg->can ("unload")) {
		4040	eval {
2170	$cb->();	4041	$cb->($pkg);
		4042	1
		4043	} or error "$pkg unloaded, but with errors: $@";
		4044	}
		4045
		4046	trace "... clearing $pkg";
		4047	clear_package $pkg;
2171	}	4048	}
2172		4049
2173	Symbol::delete_package $k;	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
		4051	while (my ($k, $v) = each %INC) {
		4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		4053
		4054	trace "... unloading $k";
		4055	delete $INC{$k};
		4056
		4057	$k =~ s/\.pm$//;
		4058	$k =~ s/\//::/g;
		4059
		4060	if (my $cb = $k->can ("unload_module")) {
		4061	$cb->();
		4062	}
		4063
		4064	clear_package $k;
2174	}	4065	}
2175		4066
2176	# sync database to disk
2177	cf::db_sync;
2178	IO::AIO::flush;
2179
2180	# get rid of safe::, as good as possible	4067	trace "perl_reload: getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	4068	clear_package "safe::$_"
2182	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);
2183		4070
2184	# remove register_script_function callbacks	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
2185	# TODO
2186
2187	# unload cf.pm "a bit"
2188	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
		4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2189		4074
2190	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
2191	# and global variables created in xs	4076	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
2193		4078
2194	# reload cf.pm	4079	info "perl_reload: unload completed, starting to reload now";
2195	warn "reloading cf.pm";	4080
		4081	trace "perl_reload: reloading cf.pm";
2196	require cf;	4082	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
2198		4084
2199	# load config and database again	4085	trace "perl_reload: loading config and database again";
2200	cf::cfg_load;	4086	cf::reload_config;
2201	cf::db_load;
2202		4087
2203	# load extensions	4088	trace "perl_reload: loading extensions";
2204	warn "load extensions";
2205	cf::load_extensions;	4089	cf::load_extensions;
2206		4090
2207	# reattach attachments to objects	4091	if ($REATTACH_ON_RELOAD) {
2208	warn "reattach";	4092	trace "perl_reload: reattaching attachments to objects/players";
2209	_global_reattach;	4093	_global_reattach; # objects, sockets
		4094	trace "perl_reload: reattaching attachments to maps";
2210	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
		4096	trace "perl_reload: reattaching attachments to players";
		4097	reattach $_ for values %PLAYER;
		4098	}
		4099
		4100	cf::_post_init 1;
		4101
		4102	trace "perl_reload: leaving sync_job";
		4103
		4104	1
		4105	} or do {
		4106	error $@;
		4107	cf::cleanup "perl_reload: error, exiting.";
		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	};
2211	};	4130	};
2212
2213	if ($@) {
2214	warn $@;
2215	warn "error while reloading, exiting.";
2216	exit 1;
2217	}
2218
2219	warn "reloaded successfully";
2220	};
2221
2222	#############################################################################
2223
2224	unless ($LINK_MAP) {
2225	$LINK_MAP = cf::map::new;
2226
2227	$LINK_MAP->width (41);
2228	$LINK_MAP->height (41);
2229	$LINK_MAP->alloc;
2230	$LINK_MAP->path ("{link}");
2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2233
2234	# dirty hack because... archetypes are not yet loaded
2235	Event->timer (
2236	after => 10,
2237	cb => sub {
2238	$_[0]->w->cancel;
2239
2240	# provide some exits "home"
2241	my $exit = cf::object::new "exit";
2242
2243	$exit->slaying ($EMERGENCY_POSITION->[0]);
2244	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2245	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2246
2247	$LINK_MAP->insert ($exit->clone, 19, 19);
2248	$LINK_MAP->insert ($exit->clone, 19, 20);
2249	$LINK_MAP->insert ($exit->clone, 19, 21);
2250	$LINK_MAP->insert ($exit->clone, 20, 19);
2251	$LINK_MAP->insert ($exit->clone, 20, 21);
2252	$LINK_MAP->insert ($exit->clone, 21, 19);
2253	$LINK_MAP->insert ($exit->clone, 21, 20);
2254	$LINK_MAP->insert ($exit->clone, 21, 21);
2255
2256	$exit->destroy;
2257	});
2258
2259	$LINK_MAP->{deny_save} = 1;
2260	$LINK_MAP->{deny_reset} = 1;
2261
2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263	}	4131	}
2264
2265	register "<global>", __PACKAGE__;
2266		4132
2267	register_command "reload" => sub {	4133	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
2269		4135
2270	if ($who->flag (FLAG_WIZ)) {	4136	if ($who->flag (FLAG_WIZ)) {
2271	$who->message ("start of reload.");
2272	reload;
2273	$who->message ("end of reload.");	4137	$who->message ("reloading server.");
		4138	async {
		4139	$Coro::current->{desc} = "perl_reload";
		4140	reload_perl;
		4141	};
2274	}	4142	}
2275	};	4143	};
2276		4144
2277	unshift @INC, $LIBDIR;	4145	#############################################################################
2278		4146
2279	$TICK_WATCHER = Event->timer (	4147	my $bug_warning = 0;
2280	reentrant => 0,
2281	prio => 0,
2282	at => $NEXT_TICK || $TICK,
2283	data => WF_AUTOCANCEL,
2284	cb => sub {
2285	cf::server_tick; # one server iteration
2286	$RUNTIME += $TICK;
2287	$NEXT_TICK += $TICK;
2288		4148
2289	# if we are delayed by four ticks or more, skip them all	4149	sub wait_for_tick() {
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2291		4151
2292	$TICK_WATCHER->at ($NEXT_TICK);	4152	$WAIT_FOR_TICK->wait;
2293	$TICK_WATCHER->start;	4153	}
		4154
		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 {
		4164	if ($Coro::current != $Coro::main) {
		4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4166	unless ++$bug_warning > 10;
		4167	return;
2294	},	4168	}
2295	);
2296		4169
2297	IO::AIO::max_poll_time $TICK * 0.2;	4170	cf::one_tick; # one server iteration
2298		4171
2299	Event->io (	4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2300	fd => IO::AIO::poll_fileno,
2301	poll => 'r',
2302	prio => 5,
2303	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,
2305	);
2306		4173
2307	Event->timer (	4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2308	data => WF_AUTOCANCEL,	4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2309	after => 0,	4176	Coro::async_pool {
2310	interval => 10,	4177	$Coro::current->{desc} = "runtime saver";
2311	cb => sub {
2312	(Coro::unblock_sub {
2313	write_runtime	4178	write_runtime_sync
2314	or warn "ERROR: unable to write runtime file: $!";	4179	or error "ERROR: unable to write runtime file: $!";
2315	})->();	4180	};
2316	},	4181	}
2317	);	4182
		4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4184	$sig->send;
		4185	}
		4186	$WAIT_FOR_TICK->broadcast;
		4187
		4188	$LOAD = ($NOW - $TICK_START) / $TICK;
		4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4190
		4191	if (0) {
		4192	if ($NEXT_TICK) {
		4193	my $jitter = $TICK_START - $NEXT_TICK;
		4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4195	debug "jitter $JITTER\n";#d#
		4196	}
		4197	}
		4198	}
		4199
		4200	{
		4201	# configure BDB
		4202
		4203	BDB::min_parallel 16;
		4204	BDB::max_poll_reqs $TICK * 0.1;
		4205	#$AnyEvent::BDB::WATCHER->priority (1);
		4206
		4207	unless ($DB_ENV) {
		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);
		4214
		4215	cf::sync_job {
		4216	eval {
		4217	BDB::db_env_open
		4218	$DB_ENV,
		4219	$BDBDIR,
		4220	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4221	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4222	0666;
		4223
		4224	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4225	};
		4226
		4227	cf::cleanup "db_env_open(db): $@" if $@;
		4228	};
		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	};
		4240	}
		4241
		4242	{
		4243	# configure IO::AIO
		4244
		4245	IO::AIO::min_parallel 8;
		4246	IO::AIO::max_poll_time $TICK * 0.1;
		4247	undef $AnyEvent::AIO::WATCHER;
		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;
2318		4300
2319	END { cf::emergency_save }	4301	END { cf::emergency_save }
2320		4302
2321	1	4303	1
2322		4304

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