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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 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 3.5 ();	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
		53	use JSON::XS 2.01 ();
		54	use BDB ();
20	use Data::Dumper;	55	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	56	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
25	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
26		62
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		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" };
28		78
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		80
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98
49	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
50	our $WRITE_RUNTIME_WATCHER;	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
51	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
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
52	our $NOW;	138	our $NOW;
53		139
54	our %CFG;	140	our (%PLAYER, %PLAYER_LOADING); # all users
55		141	our (%MAP, %MAP_LOADING ); # all maps
56	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;
58
59	our %PLAYER; # all users
60	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		143
67	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		146
		147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
		150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
70	binmode STDOUT;	160	binmode STDOUT;
71	binmode STDERR;	161	binmode STDERR;
72		162
73	# read virtual server time, if available	163	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
78	}	168	}
79		169
80	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
81	mkdir cf::localdir . "/" . cf::playerdir;	171
82	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
83	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
84	mkdir $RANDOM_MAPS;
85		174
86	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
87		176
88	sub cf::map::normalise;	177	sub cf::map::normalise;
89		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
90	#############################################################################	183	#############################################################################
91		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
92	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
93		197
94	=over 4	198	=over 4
95		199
96	=item $cf::UPTIME	200	=item $cf::UPTIME
97		201
98	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
99		218
100	=item $cf::RUNTIME	219	=item $cf::RUNTIME
101		220
102	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
103	every server tick.	222	every server tick.
104		223
105	=item $cf::LIBDIR	224	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		225	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		226	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
106		227
107	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
108	be found. It will be added to C<@INC> automatically.	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		230	unique-items directory, player file directory, random maps directory and
		231	database environment.
109		232
		233	=item $cf::LOADAVG
		234
		235	The current CPU load on the server (alpha-smoothed), as a value between 0
		236	(none) and 1 (overloaded), indicating how much time is spent on processing
		237	objects per tick. Healthy values are < 0.5.
		238
110	=item $cf::NOW	239	=item $cf::LOAD
111		240
112	The time of the last (current) server tick.	241	The raw value load value from the last tick.
113
114	=item $cf::TICK
115
116	The interval between server ticks, in seconds.
117		242
118	=item %cf::CFG	243	=item %cf::CFG
119		244
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	246	from wherever your confdir points to.
122		247
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		249
125	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
126	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
127	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
128	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
129		282
130	=back	283	=back
131		284
132	=cut	285	=cut
133		286
134	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
135	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
136	my $msg = join "", @_;	294	my $msg = join "", @_;
137	utf8::encode $msg;
138		295
139	$msg .= "\n"	296	$msg .= "\n"
140	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
141		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
142	LOG llevError, $msg;	301	LOG llevWarn, $msg;
143	};	302	};
144	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
145		317
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	322	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		323	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
151	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	324	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
152		325
153	# we bless all objects into (empty) derived classes to force a method lookup	326	# we bless all objects into (empty) derived classes to force a method lookup
154	# within the Safe compartment.	327	# within the Safe compartment.
155	for my $pkg (qw(	328	for my $pkg (qw(
156	cf::global cf::attachable	329	cf::global cf::attachable
157	cf::object cf::object::player	330	cf::object cf::object::player
158	cf::client cf::player	331	cf::client cf::player
159	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
160	cf::map cf::party cf::region	334	cf::party cf::region
161	)) {	335	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	337	}
165		338
166	$Event::DIED = sub {	339	$EV::DIED = sub {
167	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
168	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
169		349
170	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
171		351
172	=over 4	352	=over 4
173		353
…		…
192	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
193	$d	373	$d
194	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
195	}	375	}
196		376
197	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
198		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
199	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
200		392
201	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
202		394
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
211		396
212	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
213		398
214	=cut	399	=cut
215		400
216	sub to_json($) {	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	402
218	JSON::Syck::Dump $_[0]	403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
219	}	466	}
220		467
221	=item cf::lock_wait $string	468	=item cf::lock_wait $string
222		469
223	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
224		471
225	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
226		473
227	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
230	returned.	477	returned.
231		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
232	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
234		484
235	=cut	485	=item $locked = cf::lock_active $string
236		486
237	our %LOCK;	487	Return true if the lock is currently active, i.e. somebody has locked it.
		488
		489	=cut
		490
		491	our $LOCKS = new Coro::SemaphoreSet;
238		492
239	sub lock_wait($) {	493	sub lock_wait($) {
240	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	495	}
248		496
249	sub lock_acquire($) {	497	sub lock_acquire($) {
250	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
251		500
252	# wait, to be sure we are not locked	501	sub lock_active($) {
253	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	503	}
262		504
263	sub freeze_mainloop {	505	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
265		507
266	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	509	}
268	$WRITE_RUNTIME_WATCHER->start;	510
		511	=item cf::periodic $interval, $cb
		512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
269	};	578	}
270	$WRITE_RUNTIME_WATCHER->stop;	579	};
271	$TICK_WATCHER->stop;	580
272	$guard	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
273	}	594	}
274		595
275	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
276		597
277	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		603
283	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
284		605
285	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
286		607
287	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	609	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		611	acceptable.
290		612
291	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	615	server will be frozen during this time, so the block should either finish
294	fast or be very important.	616	fast or be very important.
…		…
296	=cut	618	=cut
297		619
298	sub sync_job(&) {	620	sub sync_job(&) {
299	my ($job) = @_;	621	my ($job) = @_;
300		622
301	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
302	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
304		628
305	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	630
307	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
308		632
309	my $busy = 1;	633	my $busy = 1;
310	my @res;	634	my @res;
311		635
312	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	638	@res = eval { $job->() };
314	warn $@ if $@;	639	error $@ if $@;
315	undef $busy;	640	undef $busy;
316	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
317		642
318	while ($busy) {	643	while ($busy) {
319	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
320	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
321		654
322	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
323	} else {	656	} else {
324	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
325		658
…		…
345	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
346		679
347	$coro	680	$coro
348	}	681	}
349		682
350	sub write_runtime {	683	=item fork_call { }, @args
351	my $runtime = cf::localdir . "/runtime";
352		684
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	685	Executes the given code block with the given arguments in a seperate
354	or return;	686	process, returning the results. Everything must be serialisable with
		687	Coro::Storable. May, of course, block. Note that the executed sub may
		688	never block itself or use any form of event handling.
355		689
356	my $value = $cf::RUNTIME + 90 + 10;	690	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		691
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	692	sub post_fork {
361	and return;	693	reset_signals;
		694	}
362		695
363	aio_fsync $fh	696	sub fork_call(&@) {
364	and return;	697	my ($cb, @args) = @_;
365		698
366	close $fh	699	# we seemingly have to make a local copy of the whole thing,
367	or return;	700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
368		702
369	aio_rename "$runtime~", $runtime	703	my @res = Coro::Util::fork_eval {
370	and return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
371		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
372	1	712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
		747	}
		748
		749	=item $value = cf::db_get $family => $key
		750
		751	Returns a single value from the environment database.
		752
		753	=item cf::db_put $family => $key => $value
		754
		755	Stores the given C<$value> in the family. It can currently store binary
		756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
		763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
		784
		785	our $DB;
		786
		787	sub db_init {
		788	$DB ||= db_table "db";
		789	}
		790
		791	sub db_get($$) {
		792	my $key = "$_[0]/$_[1]";
		793
		794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
		797	BDB::db_get $DB, undef, $key, my $data;
		798
		799	$! ? ()
		800	: $data
		801	}
		802
		803	sub db_put($$$) {
		804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
		807
		808	=item cf::cache $id => [$paths...], $processversion => $process
		809
		810	Generic caching function that returns the value of the resource $id,
		811	caching and regenerating as required.
		812
		813	This function can block.
		814
		815	=cut
		816
		817	sub cache {
		818	my ($id, $src, $processversion, $process) = @_;
		819
		820	my $meta =
		821	join "\x00",
		822	$processversion,
		823	map {
		824	aio_stat $_
		825	and Carp::croak "$_: $!";
		826
		827	($_, (stat _)[7,9])
		828	} @$src;
		829
		830	my $dbmeta = db_get cache => "$id/meta";
		831	if ($dbmeta ne $meta) {
		832	# changed, we may need to process
		833
		834	my @data;
		835	my $md5;
		836
		837	for (0 .. $#$src) {
		838	$data[$_] = load_file $src->[$_];
		839	}
		840
		841	# if processing is expensive, check
		842	# checksum first
		843	if (1) {
		844	$md5 =
		845	join "\x00",
		846	$processversion,
		847	map {
		848	cf::cede_to_tick;
		849	($src->[$_], Digest::MD5::md5_hex $data[$_])
		850	} 0.. $#$src;
		851
		852
		853	my $dbmd5 = db_get cache => "$id/md5";
		854	if ($dbmd5 eq $md5) {
		855	db_put cache => "$id/meta", $meta;
		856
		857	return db_get cache => "$id/data";
		858	}
		859	}
		860
		861	my $t1 = Time::HiRes::time;
		862	my $data = $process->(\@data);
		863	my $t2 = Time::HiRes::time;
		864
		865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		866
		867	db_put cache => "$id/data", $data;
		868	db_put cache => "$id/md5" , $md5;
		869	db_put cache => "$id/meta", $meta;
		870
		871	return $data;
		872	}
		873
		874	db_get cache => "$id/data"
		875	}
		876
		877	=item cf::datalog type => key => value, ...
		878
		879	Log a datalog packet of the given type with the given key-value pairs.
		880
		881	=cut
		882
		883	sub datalog($@) {
		884	my ($type, %kv) = @_;
		885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	886	}
374		887
375	=back	888	=back
376		889
377	=cut	890	=cut
378		891
379	#############################################################################	892	#############################################################################
380		893
381	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
382		895
383	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
384	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
386		899
387	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	902	Deliantra).
390		903
391	=over 4	904	=over 4
392		905
393	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
394		907
…		…
438	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
439		952
440	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
442		955
443	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
445		958
446	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
447		960
448	=over 4	961	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
558		1071
559	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		1076
564	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
566		1079
567	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
572		1085
573	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
574	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
575		1088
576	} elsif (ref $type) {	1089	} elsif (ref $type) {
577	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
578		1091
579	} else {	1092	} else {
580	shift @arg;	1093	shift @arg;
581	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
582	}	1095	}
583	}	1096	}
584	}	1097	}
585		1098
586	sub _object_attach {	1099	sub _object_attach {
…		…
596	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
597	}	1110	}
598		1111
599	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
600	} else {	1113	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
602	}	1115	}
603		1116
604	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
605	}	1118	}
606		1119
…		…
608	if (ref $_[0]) {	1121	if (ref $_[0]) {
609	_object_attach @_;	1122	_object_attach @_;
610	} else {	1123	} else {
611	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
612	}	1125	}
		1126	_recalc_want;
613	};	1127	};
614		1128
615	# all those should be optimised	1129	# all those should be optimised
616	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
621	reattach ($obj);	1135	reattach ($obj);
622	} else {	1136	} else {
623	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
624	}	1138	}
		1139	_recalc_want;
625	};	1140	};
626		1141
627	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
629		1144
…		…
644	";	1159	";
645	die if $@;	1160	die if $@;
646	}	1161	}
647		1162
648	our $override;	1163	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1164	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1165
651	sub override {	1166	sub override {
652	$override = 1;	1167	$override = 1;
653	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
654	}	1169	}
655		1170
656	sub do_invoke {	1171	sub do_invoke {
657	my $event = shift;	1172	my $event = shift;
658	my $callbacks = shift;	1173	my $callbacks = shift;
659		1174
660	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
661		1176
662	local $override;	1177	local $override;
663		1178
664	for (@$callbacks) {	1179	for (@$callbacks) {
665	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
666		1181
667	if ($@) {	1182	if ($@) {
668	warn "$@";
669	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
670	override;	1184	override;
671	}	1185	}
672		1186
673	return 1 if $override;	1187	return 1 if $override;
674	}	1188	}
675		1189
676	0	1190	0
677	}	1191	}
678		1192
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1194
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1196
683	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
684		1198
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1199	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1200	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1202
689	=back	1203	=back
690		1204
691	=cut	1205	=cut
692		1206
693	#############################################################################	1207	#############################################################################
694	# object support	1208	# object support
		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
		1243	sub _can_merge {
		1244	my ($ob1, $ob2) = @_;
		1245
		1246	++$SLOW_MERGES;#d#
		1247
		1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
		1250	}
695		1251
696	sub reattach {	1252	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1254	my ($obj) = @_;
699		1255
		1256	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1258
702	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
703		1260
704	@$registry = ();	1261	@$registry = ();
705		1262
…		…
710	for (@$attach) {	1267	for (@$attach) {
711	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
712	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
713	}	1270	}
714	} else {	1271	} else {
715	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
716	}	1273	}
717	}	1274	}
718	}	1275	}
719		1276
720	cf::attachable->attach (	1277	cf::attachable->attach (
721	prio => -1000000,	1278	prio => -1000000,
722	on_instantiate => sub {	1279	on_instantiate => sub {
723	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
724		1281
725	$data = from_json $data;	1282	$data = decode_json $data;
726		1283
727	for (@$data) {	1284	for (@$data) {
728	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
729		1286
730	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1303	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
748		1305
749	sync_job {	1306	sync_job {
750	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
753		1312
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1316	if ($cf::USE_FSYNC) {
		1317	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;
757	aio_fsync $fh;	1318	aio_fsync $fh;
		1319	}
758	close $fh;	1320	aio_close $fh;
759		1321
760	if (@$objs) {	1322	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
		1327	if ($cf::USE_FSYNC) {
		1328	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;
765	aio_fsync $fh;	1329	aio_fsync $fh;
		1330	}
766	close $fh;	1331	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
768	}	1333	}
769	} else {	1334	} else {
770	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
771	}	1336	}
772		1337
773	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
774	} else {	1342	} else {
775	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
776	}	1344	}
777	} else {	1345	} else {
778	aio_unlink $filename;	1346	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
780	}	1348	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1349	};
788	}	1350	}
789		1351
790	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
792		1354
…		…
797		1359
798	sub object_thawer_load {	1360	sub object_thawer_load {
799	my ($filename) = @_;	1361	my ($filename) = @_;
800		1362
801	my ($data, $av);	1363	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1364
806	(aio_load $filename, $data) >= 0	1365	(aio_load $filename, $data) >= 0
807	or return;	1366	or return;
808		1367
809	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
811	or return;	1370	or return;
		1371
812	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
813	}	1374	}
814		1375
		1376	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
817	return ($data, $av);	1381	($data, $av)
818	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
819		1389
820	#############################################################################	1390	#############################################################################
821	# command handling &c	1391	# command handling &c
822		1392
823	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1407	}
838		1408
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1410
841	Register a callbackf ro execution when the client sends an extcmd packet.	1411	Register a callback for execution when the client sends an (synchronous)
		1412	extcmd packet. Ext commands will be processed in the order they are
		1413	received by the server, like other user commands. The first argument is
		1414	the logged-in player. Ext commands can only be processed after a player
		1415	has logged in successfully.
842		1416
843	If the callback returns something, it is sent back as if reply was being	1417	If the callback returns something, it is sent back as if reply was being
844	called.	1418	called.
845		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
846	=cut	1431	=cut
847		1432
848	sub register_extcmd {	1433	sub register_extcmd {
849	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
850		1435
851	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
852	}	1437	}
853		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
854	cf::player->attach (	1447	cf::player->attach (
855	on_command => sub {	1448	on_unknown_command => sub {
856	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
857		1450
858	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
859	or return;	1452	or return;
860		1453
…		…
865	cf::override;	1458	cf::override;
866	},	1459	},
867	on_extcmd => sub {	1460	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
869		1462
870	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1464
872	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
878	} else {	1480	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1482	}
881		1483
882	cf::override;	1484	cf::override;
883	},	1485	},
884	);	1486	);
885		1487
		1488	# "readahead" all extensions
886	sub load_extension {	1489	sub cache_extensions {
887	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
888		1491
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
890	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
891	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}	1495	}
914	die $@;
915	}	1496	};
916		1497
917	push @EXTS, $pkg;	1498	$grp
918	}	1499	}
919		1500
920	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
921	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1508	next unless -r $path;
923	eval {	1509
924	load_extension $ext;	1510	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1511	my $base = $1;
		1512	my $pkg = $1;
		1513	$pkg =~ s/[^[:word:]]/_/g;
		1514	$pkg = "ext::$pkg";
		1515
		1516	open my $fh, "<:utf8", $path
		1517	or die "$path: $!";
		1518
		1519	my $source = do { local $/; <$fh> };
		1520
		1521	my %ext = (
		1522	path => $path,
		1523	base => $base,
		1524	pkg => $pkg,
		1525	);
		1526
		1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1529
		1530	$ext{source} =
		1531	"package $pkg; use common::sense;\n"
		1532	. "#line 1 \"$path\"\n{\n"
		1533	. $source
		1534	. "\n};\n1";
		1535
		1536	$todo{$base} = \%ext;
		1537	}
		1538
		1539	my $pass = 0;
		1540	my %done;
		1541	while (%todo) {
		1542	my $progress;
		1543
		1544	++$pass;
		1545
		1546	ext:
		1547	while (my ($k, $v) = each %todo) {
		1548	for (split /,\s*/, $v->{meta}{depends}) {
		1549	next ext
		1550	unless exists $done{$_};
		1551	}
		1552
		1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1554
		1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
		1558	error "$v->{path}: $@\n";
		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1561	if exists $v->{meta}{mandatory};
		1562
		1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1564	delete $todo{$k};
		1565	} else {
		1566	$done{$k} = delete $todo{$k};
		1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
		1572	}
925	1	1573	}
926	} or warn "$ext not loaded: $@";	1574
		1575	unless ($progress) {
		1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
		1585	}
927	}	1586	};
928	}	1587	}
929		1588
930	#############################################################################	1589	#############################################################################
931		1590
		1591	=back
		1592
932	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
933		1594
934	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
935		1596
936	=cut	1597	=cut
937		1598
938	package cf::player;	1599	package cf::player;
939		1600
…		…
941		1602
942	=head3 cf::player	1603	=head3 cf::player
943		1604
944	=over 4	1605	=over 4
945		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
		1620
946	=item cf::player::find $login	1621	=item cf::player::find $login
947		1622
948	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
949		1624
950	=cut	1625	=cut
951		1626
952	sub playerdir($) {	1627	sub playerdir($) {
953	cf::localdir	1628	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1630	}
959		1631
960	sub path($) {	1632	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1634
963	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
964	}	1636	}
965		1637
966	sub find_active($) {	1638	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
971		1643
972	sub exists($) {	1644	sub exists($) {
973	my ($login) = @_;	1645	my ($login) = @_;
974		1646
975	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
976	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
977	}	1649	}
978		1650
979	sub find($) {	1651	sub find($) {
980	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
981	my $login = $_[0];	1653	my $login = $_[0];
982		1654
983	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
984		1656
985	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1658	# rename old playerfiles to new ones
		1659	#TODO: remove when no longer required
		1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1663	aio_unlink +(playerdir $login) . "/$login.pl";
		1664
		1665	my $f = new_from_file cf::object::thawer path $login
987	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
989	}	1674	}
990	}	1675	}
991	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
992		1690
993	sub save($) {	1691	sub save($) {
994	my ($pl) = @_;	1692	my ($pl) = @_;
995		1693
996	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1001	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1002		1700
1003	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1005		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1006	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1007	Coro::cede;	1710	cf::cede_to_tick;
1008	}	1711	}
1009		1712
1010	sub new($) {	1713	sub new($) {
1011	my ($login) = @_;	1714	my ($login) = @_;
1012		1715
…		…
1018	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1019		1722
1020	$self	1723	$self
1021	}	1724	}
1022		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1023	=item $pl->quit_character	1736	=item $pl->quit_character
1024		1737
1025	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1027		1740
1028	=cut	1741	=cut
1029		1742
1030	sub quit_character {	1743	sub quit_character {
1031	my ($pl) = @_;	1744	my ($pl) = @_;
1032		1745
		1746	my $name = $pl->ob->name;
		1747
1033	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1750
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1037	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1039	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1040		1759
1041	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1763	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1764	$pl->destroy;
		1765
		1766	my $prefix = qr<^~\Q$name\E/>;
		1767
		1768	# nuke player maps
		1769	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1770
1046	IO::AIO::aio_rmtree $temp;	1771	IO::AIO::aio_rmtree $temp;
		1772	}
		1773
		1774	=item $pl->kick
		1775
		1776	Kicks a player out of the game. This destroys the connection.
		1777
		1778	=cut
		1779
		1780	sub kick {
		1781	my ($pl, $kicker) = @_;
		1782
		1783	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1784	$pl->killer ("kicked");
		1785	$pl->ns->destroy;
1047	}	1786	}
1048		1787
1049	=item cf::player::list_logins	1788	=item cf::player::list_logins
1050		1789
1051	Returns am arrayref of all valid playernames in the system, can take a	1790	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1053		1792
1054	=cut	1793	=cut
1055		1794
1056	sub list_logins {	1795	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1797	or return [];
1059		1798
1060	my @logins;	1799	my @logins;
1061		1800
1062	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1066		1811
1067	utf8::decode $login;	1812	utf8::decode $login;
1068	push @logins, $login;	1813	push @logins, $login;
1069	}	1814	}
1070		1815
1071	\@logins	1816	\@logins
1072	}	1817	}
1073		1818
1074	=item $player->maps	1819	=item $player->maps
1075		1820
		1821	=item cf::player::maps $login
		1822
1076	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1077	player. May block.	1824	player. May block.
1078		1825
1079	=cut	1826	=cut
1080		1827
1081	sub maps($) {	1828	sub maps($) {
1082	my ($pl) = @_;	1829	my ($pl) = @_;
		1830
		1831	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1832
1084	my $files = aio_readdir playerdir $pl	1833	my $files = aio_readdir playerdir $pl
1085	or return;	1834	or return;
1086		1835
1087	my @paths;	1836	my @paths;
…		…
1089	for (@$files) {	1838	for (@$files) {
1090	utf8::decode $_;	1839	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1840	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1841	next unless /^$PATH_SEP/o;
1093		1842
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1843	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1844	}
1096		1845
1097	\@paths	1846	\@paths
1098	}	1847	}
1099		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1101		1854
1102	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1103		1856
1104	=cut	1857	=cut
1105		1858
1106	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1108		1861
1109	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1863	}
1113		1864
1114	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		1872	my ($self, $type, @msg) = @_;
		1873
		1874	$self->ns->ext_msg ($type, @msg);
		1875	}
		1876
		1877	=head3 cf::region
		1878
		1879	=over 4
		1880
		1881	=cut
		1882
		1883	package cf::region;
		1884
		1885	=item cf::region::find_by_path $path
		1886
		1887	Tries to decuce the likely region for a map knowing only its path.
		1888
		1889	=cut
		1890
		1891	sub find_by_path($) {
		1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
		1896	my ($match, $specificity);
		1897
		1898	for my $region (list) {
		1899	if ($region->{match} && $path =~ $region->{match}) {
		1900	($match, $specificity) = ($region, $region->specificity)
		1901	if $region->specificity > $specificity;
		1902	}
		1903	}
		1904
		1905	$match
		1906	}
1115		1907
1116	=back	1908	=back
1117
1118		1909
1119	=head3 cf::map	1910	=head3 cf::map
1120		1911
1121	=over 4	1912	=over 4
1122		1913
…		…
1134	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1135	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1136		1927
1137	sub generate_random_map {	1928	sub generate_random_map {
1138	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1139	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1140	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1144	$rmp->{exit_on_final_map},
1145	$rmp->{xsize}, $rmp->{ysize},
1146	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1147	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1148	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1149	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1150	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1151	(cf::region::find $rmp->{region}), $rmp->{custom}
1152	)
1153	}	1934	}
1154		1935
1155	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1156		1937
1157	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1162		1943
1163	sub register {	1944	sub register {
1164	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1165	my $pkg = caller;	1946	my $pkg = caller;
1166		1947
1167	no strict;
1168	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1169		1949
1170	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1171	}	1951	}
1172		1952
1173	# also paths starting with '/'	1953	# also paths starting with '/'
1174	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1175		1955
1176	sub thawer_merge {	1956	sub thawer_merge {
1177	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1178		1958
1179	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1180	local $self->{path};	1960	local $self->{path};
1181	local $self->{load_path};	1961	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1962
1185	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1186	}	1964	}
1187		1965
1188	sub normalise {	1966	sub normalise {
1189	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1190		1968
1191	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1192		1970
1193	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1194		1972
1195	# map plan:	1973	# map plan:
1196	#	1974	#
…		…
1211	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1212	$path = "$base/$path";	1990	$path = "$base/$path";
1213	}	1991	}
1214		1992
1215	for ($path) {	1993	for ($path) {
1216	redo if s{//}{/};
1217	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1218	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1219	}	1996	}
1220		1997
1221	$path	1998	$path
…		…
1235	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1236	return $self;	2013	return $self;
1237	}	2014	}
1238	}	2015	}
1239		2016
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1241	()	2018	()
1242	}	2019	}
1243		2020
		2021	# may re-bless or do other evil things
1244	sub init {	2022	sub init {
1245	my ($self) = @_;	2023	my ($self) = @_;
1246		2024
1247	$self	2025	$self
1248	}	2026	}
…		…
1260		2038
1261	# the original (read-only) location	2039	# the original (read-only) location
1262	sub load_path {	2040	sub load_path {
1263	my ($self) = @_;	2041	my ($self) = @_;
1264		2042
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1266	}	2044	}
1267		2045
1268	# the temporary/swap location	2046	# the temporary/swap location
1269	sub save_path {	2047	sub save_path {
1270	my ($self) = @_;	2048	my ($self) = @_;
1271		2049
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1274	}	2052	}
1275		2053
1276	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1277	sub uniq_path {	2055	sub uniq_path {
1278	my ($self) = @_;	2056	my ($self) = @_;
1279		2057
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1282	}	2060	}
1283		2061
1284	# and all this just because we cannot iterate over	2062	sub decay_objects {
1285	# all maps in C++...
1286	sub change_all_map_light {
1287	my ($change) = @_;	2063	my ($self) = @_;
1288		2064
1289	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1290	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1291	}	2068	}
1292		2069
1293	sub unlink_save {	2070	sub unlink_save {
1294	my ($self) = @_;	2071	my ($self) = @_;
1295		2072
1296	utf8::encode (my $save = $self->save_path);	2073	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2074	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2075	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	2076	}
1305		2077
1306	sub load_header_from($) {	2078	sub load_header_from($) {
1307	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1308		2080
1309	utf8::encode $path;	2081	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	2083	or return;
1315		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1316	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1317		2092
1318	1	2093	1
1319	}	2094	}
1320		2095
		2096	# used to laod the header of an original map
1321	sub load_header_orig {	2097	sub load_header_orig {
1322	my ($self) = @_;	2098	my ($self) = @_;
1323		2099
1324	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1325	}	2101	}
1326		2102
		2103	# used to laod the header of an instantiated map
1327	sub load_header_temp {	2104	sub load_header_temp {
1328	my ($self) = @_;	2105	my ($self) = @_;
1329		2106
1330	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1331	}	2108	}
1332		2109
		2110	# called after loading the header from an instantiated map
1333	sub prepare_temp {	2111	sub prepare_temp {
1334	my ($self) = @_;	2112	my ($self) = @_;
1335		2113
1336	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1337	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1338	# safety	2116	# safety
1339	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1340	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1341	}	2119	}
1342		2120
		2121	# called after loading the header from an original map
1343	sub prepare_orig {	2122	sub prepare_orig {
1344	my ($self) = @_;	2123	my ($self) = @_;
1345		2124
1346	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1347	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1358	$self->load_header_orig	2137	$self->load_header_orig
1359	or return;	2138	or return;
1360	$self->prepare_orig;	2139	$self->prepare_orig;
1361	}	2140	}
1362		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
		2145	$self->default_region (cf::region::find_by_path $self->{path})
		2146	unless $self->default_region;
		2147
1363	1	2148	1
1364	}	2149	}
1365		2150
1366	sub find;	2151	sub find;
1367	sub find {	2152	sub find {
1368	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1369		2154
		2155	cf::cede_to_tick;
		2156
1370	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1371		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1373		2161
1374	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1375	my $guard = cf::lock_acquire "map_find:$path";
1376	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1377	or return;	2164	or return;
1378		2165
1379	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1380		2167
1381	$map->load_header	2168	$map->load_header
1382	or return;	2169	or return;
1383		2170
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1387	$map->reset;	2176	$map->reset;
1388	undef $guard;
1389	return find $path;	2177	return find $path;
1390	}	2178	}
1391		2179
1392	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1393	}	2181	}
1394	}	2182	}
1395		2183
1396	sub pre_load { }	2184	sub pre_load { }
1397	sub post_load { }	2185	#sub post_load { } # XS
1398		2186
1399	sub load {	2187	sub load {
1400	my ($self) = @_;	2188	my ($self) = @_;
1401		2189
1402	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1403		2191
1404	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1405	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1406		2196
1407	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1408		2199
1409	$self->in_memory (cf::MAP_LOADING);
1410
1411	$self->alloc;	2200	$self->alloc;
1412		2201
1413	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1414		2204
1415	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1416	or return;	2209	or return;
1417		2210
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1419	if delete $self->{load_original};	2212	if delete $self->{load_original};
1420		2213
1421	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	2215	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	2218	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1426	}	2223	}
1427	}
1428		2224
1429	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1430		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1431	# now do the right thing for maps	2234	# now do the right thing for maps
1432	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	2237	unless $self->difficulty;
1442	Coro::cede;	2238	cf::cede_to_tick;
1443	$self->activate;	2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	cf::cede_to_tick;
		2245	#$self->activate; # no longer activate maps automatically
		2246	}
		2247
		2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1444	}	2250	}
1445		2251
1446	$self->post_load;	2252	$self->post_load;
1447		2253
1448	$self->in_memory (cf::MAP_IN_MEMORY);	2254	1
1449	}	2255	}
1450		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1451	sub customise_for {	2260	sub customise_for {
1452	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1453		2262
1454	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2264	if $self->per_player;
1456		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1457	$self	2269	$self
1458	}
1459
1460	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {
1462	my ($map) = @_;
1463
1464	my @diag; # diagonal neighbours
1465
1466	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)
1468	or next;
1469	$neigh = find $neigh, $map
1470	or next;
1471	$neigh->load;
1472
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}
1476
1477	for (@diag) {
1478	my $neigh = find @$_
1479	or next;
1480	$neigh->load;
1481	}
1482	}	2270	}
1483		2271
1484	sub find_sync {	2272	sub find_sync {
1485	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1486		2274
1487	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
1488	}	2280	}
1489		2281
1490	sub do_load_sync {	2282	sub do_load_sync {
1491	my ($map) = @_;	2283	my ($map) = @_;
1492		2284
1493	cf::sync_job { $map->load };	2285	# it's a bug to call this from the main context
		2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2287	if $Coro::current == $Coro::main;
		2288
		2289	$map->load;
1494	}	2290	}
1495		2291
1496	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1498		2294
1499	sub find_async {	2295	sub find_async {
1500	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1501		2297
1502	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1503		2299
1504	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1506	}	2302	}
1507		2303
1508	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1509	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1510	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2311	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2312	$map->load if $v;
		2313	}
1515		2314
1516	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1517	}	2316	}
1518	}	2317	}
1519	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1520	};	2319	};
1521	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1522		2321
1523	()	2322	()
1524	}	2323	}
1525		2324
		2325	# common code, used by both ->save and ->swapout
1526	sub save {	2326	sub _save {
1527	my ($self) = @_;	2327	my ($self) = @_;
1528
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;
1530		2328
1531	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1532		2330
1533	return unless $self->dirty;	2331	return unless $self->dirty;
1534		2332
…		…
1540	return if $self->{deny_save};	2338	return if $self->{deny_save};
1541		2339
1542	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1543		2341
1544	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1546	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1547		2348
1548	if ($uniq) {	2349	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1551	} else {	2352	} else {
1552	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1553	}	2354	}
1554	}	2355	}
1555		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1556	sub swap_out {	2365	sub swap_out {
1557	my ($self) = @_;	2366	my ($self) = @_;
1558		2367
1559	# save first because save cedes
1560	$self->save;
1561
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1564	return if $self->players;	2372	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;
1566	return if $self->{deny_save};
1567		2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
1568	$self->clear;	2383	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2384	}
1571		2385
1572	sub reset_at {	2386	sub reset_at {
1573	my ($self) = @_;	2387	my ($self) = @_;
1574		2388
1575	# TODO: safety, remove and allow resettable per-player maps	2389	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2390	return 1e99 if $self->{deny_reset};
1578		2391
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2394
…		…
1592	my ($self) = @_;	2405	my ($self) = @_;
1593		2406
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2408
1596	return if $self->players;	2409	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2410
1599	warn "resetting map ", $self->path;#d#	2411	cf::trace "resetting map ", $self->path, "\n";
		2412
		2413	$self->state (cf::MAP_SWAPPED);
		2414
		2415	# need to save uniques path
		2416	unless ($self->{deny_save}) {
		2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2418
		2419	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2420	if $uniq;
		2421	}
1600		2422
1601	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
1602		2424
1603	$self->in_memory (cf::MAP_SWAPPED);	2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2427	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2428
1608	$self->unlink_save;	2429	$self->unlink_save;
1609	$self->destroy;	2430	$self->destroy;
1610	}	2431	}
1611		2432
1612	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
1613		2434
1614	sub nuke {	2435	sub nuke {
1615	my ($self) = @_;	2436	my ($self) = @_;
1616		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
1617	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
1618		2442
1619	$self->unlink_save;	2443	$self->unlink_save;
1620		2444
1621	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
1622	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2450
1627	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
1628		2453
1629	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
		2455	}
		2456
		2457	=item $maps = cf::map::tmp_maps
		2458
		2459	Returns an arrayref with all map paths of currently instantiated and saved
		2460	maps. May block.
		2461
		2462	=cut
		2463
		2464	sub tmp_maps() {
		2465	[
		2466	map {
		2467	utf8::decode $_;
		2468	/\.map$/
		2469	? normalise $_
		2470	: ()
		2471	} @{ aio_readdir $TMPDIR or [] }
		2472	]
		2473	}
		2474
		2475	=item $maps = cf::map::random_maps
		2476
		2477	Returns an arrayref with all map paths of currently instantiated and saved
		2478	random maps. May block.
		2479
		2480	=cut
		2481
		2482	sub random_maps() {
		2483	[
		2484	map {
		2485	utf8::decode $_;
		2486	/\.map$/
		2487	? normalise "?random/$_"
		2488	: ()
		2489	} @{ aio_readdir $RANDOMDIR or [] }
		2490	]
1630	}	2491	}
1631		2492
1632	=item cf::map::unique_maps	2493	=item cf::map::unique_maps
1633		2494
1634	Returns an arrayref of paths of all shared maps that have	2495	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2496	instantiated unique items. May block.
1636		2497
1637	=cut	2498	=cut
1638		2499
1639	sub unique_maps() {	2500	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2501	[
1641	or return;	2502	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2503	utf8::decode $_;
1647	next if /\.pst$/;	2504	s/\.map$//; # TODO future compatibility hack
1648	next unless /^$PATH_SEP/o;	2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649		2506	? ()
1650	push @paths, cf::map::normalise $_;	2507	: normalise $_
		2508	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2509	]
1652
1653	\@paths
1654	}	2510	}
1655		2511
1656	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
1657		2543
1658	=back	2544	=back
1659		2545
1660	=head3 cf::object	2546	=head3 cf::object
1661		2547
…		…
1665		2551
1666	=over 4	2552	=over 4
1667		2553
1668	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
1669		2555
1670	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
1671		2558
1672	=cut	2559	=cut
1673		2560
1674	sub inv_recursive_;	2561	sub inv_recursive_;
1675	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
1678		2565
1679	sub inv_recursive {	2566	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
1681	}	2568	}
1682		2569
		2570	=item $ref = $ob->ref
		2571
		2572	Creates and returns a persistent reference to an object that can be stored as a string.
		2573
		2574	=item $ob = cf::object::deref ($refstring)
		2575
		2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2577	even if the object actually exists. May block.
		2578
		2579	=cut
		2580
		2581	sub deref {
		2582	my ($ref) = @_;
		2583
		2584	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2585	my ($uuid, $name) = ($1, $2);
		2586	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2587	or return;
		2588	$pl->ob->uuid eq $uuid
		2589	or return;
		2590
		2591	$pl->ob
		2592	} else {
		2593	warn "$ref: cannot resolve object reference\n";
		2594	undef
		2595	}
		2596	}
		2597
1683	package cf;	2598	package cf;
1684		2599
1685	=back	2600	=back
1686		2601
1687	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
1693	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2608	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1694	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
1695	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
1696		2611
1697	=cut	2612	=cut
		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
1698		2627
1699	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
1700	# with dialog boxes.	2629	# with dialog boxes.
1701	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
1702	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
1704		2633
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2635
1707	if ($self->{record_replies}) {	2636	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2638
1709	} else {	2639	} else {
		2640	my $pl = $self->contr;
		2641
		2642	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2643	my $dialog = $pl->{npc_dialog};
		2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2645
		2646	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2649	}
1712	}	2650	}
		2651	}
		2652
		2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2654
		2655	=cut
		2656
		2657	sub cf::object::send_msg {
		2658	my $pl = shift->contr
		2659	or return;
		2660	$pl->send_msg (@_);
1713	}	2661	}
1714		2662
1715	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
1716		2664
1717	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
1730		2678
1731	=item $player_object->enter_link	2679	=item $player_object->enter_link
1732		2680
1733	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
1734		2682
1735	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
1736	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
1737		2687
1738	Will never block.	2688	Will never block.
1739		2689
1740	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
1741		2691
…		…
1761	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
1762	my ($self) = @_;	2712	my ($self) = @_;
1763		2713
1764	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
1765		2715
		2716	++$self->{_link_recursion};
		2717
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2719
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2721	if $self->map && $self->map->{path} ne "{link}";
1770		2722
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1772	}	2724	}
1773		2725
1774	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
		2728
		2729	return unless $self->contr->active;
1776		2730
1777	my $link_pos = delete $self->{_link_pos};	2731	my $link_pos = delete $self->{_link_pos};
1778		2732
1779	unless ($map) {	2733	unless ($map) {
1780	# restore original map position	2734	# restore original map position
…		…
1791	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
1792	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
1793		2747
1794	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
1797		2751
1798	$map->load;	2752	$map->load;
1799	$map->load_diag;
1800		2753
1801	return unless $self->contr->active;	2754	return unless $self->contr->active;
		2755
		2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2757	if ($self->enter_map ($map, $x, $y)) {
		2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
1802	$self->activate_recursive;	2761	$self->activate_recursive;
1803	$self->enter_map ($map, $x, $y);
1804	}
1805
1806	cf::player->attach (
1807	on_logout => sub {
1808	my ($pl) = @_;
1809
1810	# abort map switching before logout
1811	if ($pl->ob->{_link_pos}) {
1812	cf::sync_job {
1813	$pl->ob->leave_link
1814	};
1815	}
1816	},	2762	}
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2763
1820	# try to abort aborted map switching on player login :)	2764	}
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837		2765
1838	=item $player_object->goto ($path, $x, $y)	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1839		2767
		2768	Moves the player to the given map-path and coordinates by first freezing
		2769	her, loading and preparing them map, calling the provided $check callback
		2770	that has to return the map if sucecssful, and then unfreezes the player on
		2771	the new (success) or old (failed) map position. In either case, $done will
		2772	be called at the end of this process.
		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
1840	=cut	2777	=cut
		2778
		2779	our $GOTOGEN;
1841		2780
1842	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
		2789
		2790	# do generation counting so two concurrent goto's will be executed in-order
		2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2792
1845	$self->enter_link;	2793	$self->enter_link;
1846		2794
1847	(async {	2795	(async {
		2796	$Coro::current->{desc} = "player::goto $path $x $y";
		2797
		2798	# *tag paths override both path and x|y
		2799	if ($path =~ /^\*(.*)$/) {
		2800	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2801	my $ob = $obs[rand @obs];
		2802
		2803	# see if we actually can go there
		2804	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2805	$ob = $obs[rand @obs];
		2806	} else {
		2807	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2808	}
		2809	# else put us there anyways for now #d#
		2810
		2811	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2812	} else {
		2813	($path, $x, $y) = (undef, undef, undef);
		2814	}
		2815	}
		2816
1848	my $map = eval {	2817	my $map = eval {
1849	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2819
		2820	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2821	$map = $map->customise_for ($self);
		2822	$map = $check->($map, $x, $y, $self) if $check && $map;
		2823	} else {
		2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2825	}
		2826
1851	$map	2827	$map
		2828	};
		2829
		2830	if ($@) {
		2831	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2832	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2833	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2834
		2835	if ($gen == $self->{_goto_generation}) {
		2836	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
		2838	}
		2839
		2840	$done->($self) if $done;
1856	})->prio (1);	2841	})->prio (1);
1857	}	2842	}
1858		2843
1859	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
1860		2845
…		…
1880	}	2865	}
1881		2866
1882	sub prepare_random_map {	2867	sub prepare_random_map {
1883	my ($exit) = @_;	2868	my ($exit) = @_;
1884		2869
1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
1888	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
1889	# that depends on the exit object	2872	# that depends on the exit object
1890		2873
1891	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
1893	if ($exit->map) {	2876	if ($exit->map) {
1894	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
1895	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
1896	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
1897	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
1898	}	2883	}
1899		2884
1900	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
1901		2886
1902	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
1905		2890
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2893	undef $fh;
1909	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
1910		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
1911	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
1912	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
1913	}	2902	}
1914	}	2903	}
1915		2904
1916	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
1917	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
1918		2907
1919	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
1920		2909
1921	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
1923	cf::sync_job { prepare_random_map $exit };
1924	}
1925
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;
1929
1930	$self->enter_link;	2910	$self->enter_link;
1931		2911
1932	(async {	2912	(async {
1933	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
1934	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
1935	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
1936		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
1937	1;	2951	1
1938	}) {	2952	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
1940	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2957
1944	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
1945	$self->leave_link;	2959	$self->leave_link;
1946	}	2960	}
1947	})->prio (1);	2961	})->prio (1);
1948	}	2962	}
1949		2963
…		…
1960		2974
1961	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
1963		2977
1964	utf8::encode $text;	2978	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2980	}
1967		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
		3005	}
		3006
		3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3008
		3009	Send a drawinfo or msg packet to the client, formatting the msg for the
		3010	client if neccessary. C<$type> should be a string identifying the type of
		3011	the message, with C<log> being the default. If C<$color> is negative, suppress
		3012	the message unless the client supports the msg packet.
		3013
		3014	=cut
		3015
		3016	# non-persistent channels (usually the info channel)
		3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
		3024	"c/identify" => {
		3025	id => "infobox",
		3026	title => "Identify",
		3027	reply => undef,
		3028	tooltip => "Items recently identified",
		3029	},
		3030	"c/examine" => {
		3031	id => "infobox",
		3032	title => "Examine",
		3033	reply => undef,
		3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
		3041	},
		3042	"c/book" => {
		3043	id => "infobox",
		3044	title => "Book",
		3045	reply => undef,
		3046	tooltip => "The contents of a note or book",
		3047	},
		3048	"c/lookat" => {
		3049	id => "infobox",
		3050	title => "Look",
		3051	reply => undef,
		3052	tooltip => "What you saw there",
		3053	},
		3054	"c/who" => {
		3055	id => "infobox",
		3056	title => "Players",
		3057	reply => undef,
		3058	tooltip => "Shows players who are currently online",
		3059	},
		3060	"c/body" => {
		3061	id => "infobox",
		3062	title => "Body Parts",
		3063	reply => undef,
		3064	tooltip => "Shows which body parts you posess and are available",
		3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
		3102	"c/uptime" => {
		3103	id => "infobox",
		3104	title => "Uptime",
		3105	reply => undef,
		3106	tooltip => "How long the server has been running since last restart",
		3107	},
		3108	"c/mapinfo" => {
		3109	id => "infobox",
		3110	title => "Map Info",
		3111	reply => undef,
		3112	tooltip => "Information related to the maps",
		3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
		3128	);
		3129
		3130	sub cf::client::send_msg {
		3131	my ($self, $channel, $msg, $color, @extra) = @_;
		3132
		3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
		3135
		3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3137
		3138	# check predefined channels, for the benefit of C
		3139	if ($CHANNEL{$channel}) {
		3140	$channel = $CHANNEL{$channel};
		3141
		3142	$self->ext_msg (channel_info => $channel);
		3143	$channel = $channel->{id};
		3144
		3145	} elsif (ref $channel) {
		3146	# send meta info to client, if not yet sent
		3147	unless (exists $self->{channel}{$channel->{id}}) {
		3148	$self->{channel}{$channel->{id}} = $channel;
		3149	$self->ext_msg (channel_info => $channel);
		3150	}
		3151
		3152	$channel = $channel->{id};
		3153	}
		3154
		3155	return unless @extra || length $msg;
		3156
		3157	# default colour, mask it out
		3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3159	if $color & cf::NDI_DEF;
		3160
		3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
		3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3164	);
		3165
		3166	$self->send_big_packet ($pkt);
		3167	}
		3168
		3169	=item $client->ext_msg ($type, @msg)
		3170
		3171	Sends an ext event to the client.
		3172
		3173	=cut
		3174
		3175	sub cf::client::ext_msg($$@) {
		3176	my ($self, $type, @msg) = @_;
		3177
		3178	if ($self->extcmd == 2) {
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
		3181	push @msg, msgtype => "event_$type";
		3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
		3185
		3186	=item $client->ext_reply ($msgid, @msg)
		3187
		3188	Sends an ext reply to the client.
		3189
		3190	=cut
		3191
		3192	sub cf::client::ext_reply($$@) {
		3193	my ($self, $id, @msg) = @_;
		3194
		3195	if ($self->extcmd == 2) {
		3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3197	} elsif ($self->extcmd == 1) {
		3198	#TODO: version 1, remove
		3199	unshift @msg, msgtype => "reply", msgid => $id;
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3201	}
		3202	}
1968		3203
1969	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
1970		3205
1971	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3207	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3208	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		3209
1975	Queries can fail, so check the return code. Or don't, as queries will become	3210	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	3211	become reliable at some point in the future.
1977		3212
1978	=cut	3213	=cut
1979		3214
1980	sub cf::client::query {	3215	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	3216	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	3224	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3225	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		3226
1992	$self->send_packet ($self->{query_queue}[0][0])	3227	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	3228	if @{ $self->{query_queue} } == 1;
		3229
		3230	1
1994	}	3231	}
1995		3232
1996	cf::client->attach (	3233	cf::client->attach (
		3234	on_connect => sub {
		3235	my ($ns) = @_;
		3236
		3237	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3238	},
1997	on_reply => sub {	3239	on_reply => sub {
1998	my ($ns, $msg) = @_;	3240	my ($ns, $msg) = @_;
1999		3241
2000	# this weird shuffling is so that direct followup queries	3242	# this weird shuffling is so that direct followup queries
2001	# get handled first	3243	# get handled first
2002	my $queue = delete $ns->{query_queue}	3244	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	3245	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		3246
2005	(shift @$queue)->[1]->($msg);	3247	(shift @$queue)->[1]->($msg);
		3248	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		3249
2007	push @{ $ns->{query_queue} }, @$queue;	3250	push @{ $ns->{query_queue} }, @$queue;
2008		3251
2009	if (@{ $ns->{query_queue} } == @$queue) {	3252	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	3253	if (@$queue) {
…		…
2012	} else {	3255	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3256	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	3257	}
2015	}	3258	}
2016	},	3259	},
		3260	on_exticmd => sub {
		3261	my ($ns, $buf) = @_;
		3262
		3263	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3264
		3265	if (ref $msg) {
		3266	my ($type, $reply, @payload) =
		3267	"ARRAY" eq ref $msg
		3268	? @$msg
		3269	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3270
		3271	my @reply;
		3272
		3273	if (my $cb = $EXTICMD{$type}) {
		3274	@reply = $cb->($ns, @payload);
		3275	}
		3276
		3277	$ns->ext_reply ($reply, @reply)
		3278	if $reply;
		3279
		3280	} else {
		3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3282	}
		3283
		3284	cf::override;
		3285	},
2017	);	3286	);
2018		3287
2019	=item $client->async (\&cb)	3288	=item $client->async (\&cb)
2020		3289
2021	Create a new coroutine, running the specified callback. The coroutine will	3290	Create a new coroutine, running the specified callback. The coroutine will
…		…
2037		3306
2038	$coro	3307	$coro
2039	}	3308	}
2040		3309
2041	cf::client->attach (	3310	cf::client->attach (
2042	on_destroy => sub {	3311	on_client_destroy => sub {
2043	my ($ns) = @_;	3312	my ($ns) = @_;
2044		3313
2045	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2046	},	3315	},
2047	);	3316	);
…		…
2062	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2064		3333
2065	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2066		3335
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3336	$safe->permit_only (Opcode::opset qw(
		3337	:base_core :base_mem :base_orig :base_math :base_loop
		3338	grepstart grepwhile mapstart mapwhile
		3339	sort time
		3340	));
2068		3341
2069	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2070		3343
2071	=pod	3344	=pod
2072		3345
2073	The following fucntions and emthods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2074		3347
2075	cf::object contr pay_amount pay_player map	3348	cf::object
		3349	contr pay_amount pay_player map x y force_find force_add destroy
		3350	insert remove name archname title slaying race decrease split
		3351	value
		3352
2076	cf::object::player player	3353	cf::object::player
2077	cf::player peaceful	3354	player
2078	cf::map trigger	3355
		3356	cf::player
		3357	peaceful
		3358
		3359	cf::map
		3360	trigger
2079		3361
2080	=cut	3362	=cut
2081		3363
2082	for (	3364	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2084	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2086	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2087	) {	3371	) {
2088	no strict 'refs';
2089	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2090	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2091	for @funs;	3374	for @funs;
2092	}	3375	}
2093		3376
…		…
2108		3391
2109	my $qcode = $code;	3392	my $qcode = $code;
2110	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2111	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2112		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2113	local $_;	3399	local $_;
2114	local @safe::cf::_safe_eval_args = values %vars;
2115		3400
2116	my $eval =	3401	my $eval =
2117	"do {\n"	3402	"do {\n"
2118	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2119	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2120	. $code	3405	. $code
2121	. "\n}"	3406	. "\n}"
2122	;	3407	;
2123		3408
		3409	if ($CFG{safe_eval}) {
2124	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2125	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2126	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2127		3418
2128	if ($@) {	3419	if ($@) {
2129	warn "$@";	3420	warn "$@",
2130	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2131	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2132	}	3423	}
2133		3424
2134	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2135	}	3426	}
2136		3427
…		…
2150	=cut	3441	=cut
2151		3442
2152	sub register_script_function {	3443	sub register_script_function {
2153	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2154		3445
2155	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2156	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2157	}	3448	}
2158		3449
2159	=back	3450	=back
2160		3451
2161	=cut	3452	=cut
2162		3453
2163	#############################################################################	3454	#############################################################################
		3455	# the server's init and main functions
2164		3456
2165	=head2 EXTENSION DATABASE SUPPORT	3457	sub load_facedata($) {
		3458	my ($path) = @_;
2166		3459
2167	Crossfire maintains a very simple database for extension use. It can	3460	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	3461	# for this (global event?)
2169	excludes objects.	3462	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		3463
2171	The parameter C<$family> should best start with the name of the extension	3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		3465
2174	=over 4	3466	trace "loading facedata from $path\n";
2175		3467
2176	=item $hashref = cf::db_get $family	3468	my $facedata = decode_storable load_file $path;
2177		3469
2178	Return a hashref for use by the extension C<$family>, which can be	3470	$facedata->{version} == 2
2179	modified. After modifications, you have to call C<cf::db_dirty> or	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2180	C<cf::db_sync>.
2181		3472
2182	=item $value = cf::db_get $family => $key	3473	# patch in the exptable
2183		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2184	Returns a single value from the database	3475	$facedata->{resource}{"res/exp_table"} = {
2185		3476	type => FT_RSRC,
2186	=item cf::db_put $family => $hashref	3477	data => $exp_table,
2187		3478	hash => (Digest::MD5::md5 $exp_table),
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3479	};
		3480	cf::cede_to_tick;
2214		3481
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3482	{
		3483	my $faces = $facedata->{faceinfo};
2226		3484
2227	my $dirty;	3485	while (my ($face, $info) = each %$faces) {
		3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228		3487
2229	sub db_sync() {	3488	cf::face::set_visibility $idx, $info->{visibility};
2230	db_save if $dirty;	3489	cf::face::set_magicmap $idx, $info->{magicmap};
2231	undef $dirty;	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2232	}	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2233		3493
2234	my $idle = Event->idle (	3494	cf::cede_to_tick;
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3495	}
2268	);
2269	}
2270		3496
2271	#############################################################################	3497	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3498	next unless $info->{smooth};
2273		3499
2274	sub cfg_load {	3500	my $idx = cf::face::find $face
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3501	or next;
2276	or return;
2277		3502
2278	local $/;	3503	if (my $smooth = cf::face::find $info->{smooth}) {
2279	*CFG = YAML::Syck::Load <$fh>;	3504	cf::face::set_smooth $idx, $smooth;
		3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3506	} else {
		3507	error "smooth face '$info->{smooth}' not found for face '$face'";
		3508	}
2280		3509
		3510	cf::cede_to_tick;
		3511	}
		3512	}
		3513
		3514	{
		3515	my $anims = $facedata->{animinfo};
		3516
		3517	while (my ($anim, $info) = each %$anims) {
		3518	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3519	cf::cede_to_tick;
		3520	}
		3521
		3522	cf::anim::invalidate_all; # d'oh
		3523	}
		3524
		3525	{
		3526	my $res = $facedata->{resource};
		3527
		3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
		3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3531
		3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3533	cf::face::set_type $idx, $info->{type};
		3534	} else {
		3535	$RESOURCE{$name} = $info; # unused
		3536	}
		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3543
		3544	1
		3545	}
		3546
		3547	register_exticmd fx_want => sub {
		3548	my ($ns, $want) = @_;
		3549
		3550	while (my ($k, $v) = each %$want) {
		3551	$ns->fx_want ($k, $v);
		3552	}
		3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
		3564
		3565	sub reload_regions {
		3566	# HACK to clear player env face cache, we need some signal framework
		3567	# for this (global event?)
		3568	%ext::player_env::MUSIC_FACE_CACHE = ();
		3569
		3570	load_resource_file "$MAPDIR/regions"
		3571	or die "unable to load regions file\n";
		3572
		3573	for (cf::region::list) {
		3574	$_->{match} = qr/$_->{match}/
		3575	if exists $_->{match};
		3576	}
		3577	}
		3578
		3579	sub reload_facedata {
		3580	load_facedata "$DATADIR/facedata"
		3581	or die "unable to load facedata\n";
		3582	}
		3583
		3584	sub reload_archetypes {
		3585	load_resource_file "$DATADIR/archetypes"
		3586	or die "unable to load archetypes\n";
		3587	}
		3588
		3589	sub reload_treasures {
		3590	load_resource_file "$DATADIR/treasures"
		3591	or die "unable to load treasurelists\n";
		3592	}
		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
		3614	sub reload_resources {
		3615	trace "reloading resource files...\n";
		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
		3622	reload_regions;
		3623	reload_treasures;
		3624
		3625	trace "finished reloading resource files\n";
		3626	}
		3627
		3628	sub reload_config {
		3629	trace "reloading config file...\n";
		3630
		3631	my $config = load_file "$CONFDIR/config";
		3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
		3634
2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2282		3636
2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2285		3639
2286	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2290	};	3644	};
2291	warn $@ if $@;	3645	warn $@ if $@;
2292	}	3646	}
2293	}	3647	}
2294		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
2295	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
2296	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299	(async {	3690	(async {
2300	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2301	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2302	};	3694	};
2303		3695
2304	cfg_load;	3696	evthread_start IO::AIO::poll_fileno;
2305	db_load;	3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
		3708	reload_config;
		3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
2306	load_extensions;	3719	load_extensions;
2307		3720
2308	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2309	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
2310	}	3739	}
2311		3740
2312	#############################################################################	3741	#############################################################################
2313	# initialisation and cleanup	3742	# initialisation and cleanup
2314		3743
2315	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
2316	BEGIN {	3745	BEGIN {
		3746	our %SIGWATCHER = ();
2317	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
2318	Event->signal (	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2319	reentrant => 0,
2320	data => WF_AUTOCANCEL,
2321	signal => $signal,
2322	prio => 0,
2323	cb => sub {
2324	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
2325	},
2326	);	3750	};
		3751	}
		3752	}
		3753
		3754	sub write_runtime_sync {
		3755	my $t0 = AE::time;
		3756
		3757	# first touch the runtime file to show we are still running:
		3758	# the fsync below can take a very very long time.
		3759
		3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3761
		3762	my $guard = cf::lock_acquire "write_runtime";
		3763
		3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3765	or return;
		3766
		3767	my $value = $cf::RUNTIME + 90 + 10;
		3768	# 10 is the runtime save interval, for a monotonic clock
		3769	# 60 allows for the watchdog to kill the server.
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	# touch it again to show we are up-to-date
		3779	aio_utime $fh, undef, undef;
		3780
		3781	close $fh
		3782	or return;
		3783
		3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3785	and return;
		3786
		3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3788
2327	}	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
2328	}	3840	}
2329		3841
2330	sub emergency_save() {	3842	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
2332		3844
2333	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
2334		3851
2335	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
2336	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
2337	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
2338	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
2340	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	3861	$pl->valid or next;
		3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	3863	$pl->save;
2344	}	3864	}
2345	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
2346		3866
2347	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
2348	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
2349	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3872	$map->valid or next;
2351	$map->save;	3873	$map->save;
2352	}	3874	}
2353	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
		3876
		3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
		3880	BDB::db_env_txn_checkpoint $DB_ENV;
		3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
2354	};	3905	};
2355		3906
2356	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
2357	}	3908	}
2358		3909
		3910	sub post_cleanup {
		3911	my ($make_core) = @_;
		3912
		3913	IO::AIO::flush;
		3914
		3915	error Carp::longmess "post_cleanup backtrace"
		3916	if $make_core;
		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
		3945	}
		3946
2359	sub reload() {	3947	sub do_reload_perl() {
2360	# can/must only be called in main	3948	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
2362	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
2363	return;	3951	return;
2364	}	3952	}
2365		3953
2366	warn "reloading...";	3954	return if $RELOAD++;
2367		3955
2368	warn "cancelling server ticker";	3956	my $t1 = AE::time;
2369	$TICK_WATCHER->cancel;
2370		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
		3964	cf::sync_job {
2371	cf::emergency_save;	3965	#cf::emergency_save;
2372		3966
2373	eval {
2374	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378
2379	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}
2383
2384	warn "flushing outstanding aio requests";
2385	for (;;) {
2386	IO::AIO::flush;
2387	Coro::cede;
2388	last unless IO::AIO::nreqs;
2389	warn "iterate...";
2390	}
2391
2392	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3969	%EXT_CORO = ();
2395		3970
2396	warn "removing commands";	3971	trace "perl_reload: removing commands";
2397	%COMMAND = ();	3972	%COMMAND = ();
2398		3973
2399	warn "removing ext commands";	3974	trace "perl_reload: removing ext/exti commands";
2400	%EXTCMD = ();	3975	%EXTCMD = ();
		3976	%EXTICMD = ();
2401		3977
2402	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
2405		3981
2406	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
2407	eval {	3983	eval {
2408	$cb->($pkg);	3984	$cb->($pkg);
2409	1	3985	1
2410	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
2411	}	3991	}
2412		3992
2413	warn "... nuking $pkg";
2414	Symbol::delete_package $pkg;
2415	}
2416
2417	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2418	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2420		3996
2421	warn "... unloading $k";	3997	trace "... unloading $k";
2422	delete $INC{$k};	3998	delete $INC{$k};
2423		3999
2424	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
2425	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
2426		4002
2427	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
2428	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
2429	}	4008	}
2430		4009
2431	Symbol::delete_package $k;
2432	}
2433
2434	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
2435	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		4013
2438	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
		4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2440		4017
2441	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
2442	# and global variables created in xs	4019	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
2444		4021
2445	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
2446		4023
2447	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
2448	require cf;	4025	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
2450		4027
2451	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
2452	cf::cfg_load;	4029	cf::reload_config;
2453	cf::db_load;
2454		4030
2455	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
2456	cf::load_extensions;	4032	cf::load_extensions;
2457		4033
		4034	if ($REATTACH_ON_RELOAD) {
2458	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
2459	_global_reattach;	4036	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
2461	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
		4039	trace "perl_reload: reattaching attachments to players";
		4040	reattach $_ for values %PLAYER;
		4041	}
2462		4042
2463	warn "restarting server ticker";	4043	cf::_post_init 1;
2464		4044
2465	$TICK_WATCHER->start;	4045	trace "perl_reload: leaving sync_job";
		4046
		4047	1
		4048	} or do {
		4049	error $@;
		4050	cf::cleanup "perl_reload: error, exiting.";
		4051	};
		4052
		4053	--$RELOAD;
		4054	}
		4055
		4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
		4058	};
		4059
		4060	our $RELOAD_WATCHER; # used only during reload
		4061
		4062	sub reload_perl() {
		4063	# doing reload synchronously and two reloads happen back-to-back,
		4064	# coro crashes during coro_state_free->destroy here.
		4065
		4066	$RELOAD_WATCHER ||= cf::async {
		4067	Coro::AIO::aio_wait cache_extensions;
		4068
		4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4070	do_reload_perl;
		4071	undef $RELOAD_WATCHER;
		4072	};
2466	};	4073	};
2467		4074	}
2468	if ($@) {
2469	warn $@;
2470	warn "error while reloading, exiting.";
2471	exit 1;
2472	}
2473
2474	warn "reloaded";
2475	};
2476
2477	our $RELOAD_WATCHER; # used only during reload
2478		4075
2479	register_command "reload" => sub {	4076	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
2481		4078
2482	if ($who->flag (FLAG_WIZ)) {	4079	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	4080	$who->message ("reloading server.");
2484		4081	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	4082	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	4083	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	4084	};
2497	}	4085	}
2498	};	4086	};
2499		4087
2500	unshift @INC, $LIBDIR;	4088	#############################################################################
2501		4089
2502	my $bug_warning = 0;	4090	my $bug_warning = 0;
2503		4091
2504	$TICK_WATCHER = Event->timer (	4092	sub wait_for_tick() {
2505	reentrant => 0,	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2506	parked => 1,	4094
2507	prio => 0,	4095	$WAIT_FOR_TICK->wait;
2508	at => $NEXT_TICK || $TICK,	4096	}
2509	data => WF_AUTOCANCEL,	4097
2510	cb => sub {	4098	sub wait_for_tick_begin() {
		4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4100
		4101	my $signal = new Coro::Signal;
		4102	push @WAIT_FOR_TICK_BEGIN, $signal;
		4103	$signal->wait;
		4104	}
		4105
		4106	sub tick {
2511	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
2514	return;	4110	return;
		4111	}
		4112
		4113	cf::one_tick; # one server iteration
		4114
		4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
		4116
		4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		4119	Coro::async_pool {
		4120	$Coro::current->{desc} = "runtime saver";
		4121	write_runtime_sync
		4122	or error "ERROR: unable to write runtime file: $!";
2515	}	4123	};
		4124	}
2516		4125
2517	$NOW = Event::time;	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2518		4127	$sig->send;
2519	cf::server_tick; # one server iteration	4128	}
2520	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;
2522
2523	$WAIT_FOR_TICK->broadcast;	4129	$WAIT_FOR_TICK->broadcast;
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2525		4130
2526	Event::sweep;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
2527	Coro::cede_notself;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4133
		4134	if (0) {
		4135	if ($NEXT_TICK) {
		4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
2528		4139	}
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},	4140	}
2538	);	4141	}
2539		4142
		4143	{
		4144	# configure BDB
		4145
		4146	BDB::min_parallel 16;
		4147	BDB::max_poll_reqs $TICK * 0.1;
		4148	$AnyEvent::BDB::WATCHER->priority (1);
		4149
		4150	unless ($DB_ENV) {
		4151	$DB_ENV = BDB::db_env_create;
		4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4157
		4158	cf::sync_job {
		4159	eval {
		4160	BDB::db_env_open
		4161	$DB_ENV,
		4162	$BDBDIR,
		4163	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4164	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4165	0666;
		4166
		4167	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4168	};
		4169
		4170	cf::cleanup "db_env_open(db): $@" if $@;
		4171	};
		4172	}
		4173
		4174	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4175	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4176	};
		4177	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4178	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4179	};
		4180	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4181	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4182	};
		4183	}
		4184
		4185	{
		4186	# configure IO::AIO
		4187
		4188	IO::AIO::min_parallel 8;
2540	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
		4190	undef $AnyEvent::AIO::WATCHER;
		4191	}
2541		4192
2542	undef $Coro::AIO::WATCHER;	4193	our $_log_backtrace;
2543	$AIO_POLL_WATCHER = Event->io (	4194	our $_log_backtrace_last;
2544	reentrant => 0,
2545	fd => IO::AIO::poll_fileno,
2546	poll => 'r',
2547	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,
2550	);
2551		4195
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	4196	sub _log_backtrace {
2553	reentrant => 0,	4197	my ($msg, @addr) = @_;
2554	data => WF_AUTOCANCEL,	4198
2555	after => 1,	4199	$msg =~ s/\n$//;
2556	interval => 10,	4200
2557	prio => 6, # keep it lowest so it acts like a watchdog	4201	if ($_log_backtrace_last eq $msg) {
2558	cb => Coro::unblock_sub {	4202	LOG llevInfo, "[ABT] $msg\n";
2559	write_runtime	4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2560	or warn "ERROR: unable to write runtime file: $!";	4204	# limit the # of concurrent backtraces
		4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
		4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
		4209	async {
		4210	$Coro::current->{desc} = "abt $msg";
		4211
		4212	my @bt = fork_call {
		4213	@addr = map { sprintf "%x", $_ } @addr;
		4214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4216	or die "addr2line: $!";
		4217
		4218	my @funcs;
		4219	my @res = <$fh>;
		4220	chomp for @res;
		4221	while (@res) {
		4222	my ($func, $line) = splice @res, 0, 2, ();
		4223	push @funcs, "[$func] $line";
		4224	}
		4225
		4226	@funcs
		4227	};
		4228
		4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4231	LOG llevInfo, "[ABT] $_\n" for @bt;
		4232	--$_log_backtrace;
		4233	};
		4234	} else {
		4235	LOG llevInfo, "[ABT] $msg\n";
		4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2561	},	4237	}
2562	);	4238	}
		4239
		4240	# load additional modules
		4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
2563		4243
2564	END { cf::emergency_save }	4244	END { cf::emergency_save }
2565		4245
2566	1	4246	1
2567		4247

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