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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.264 by root, Sun May 6 05:44:48 2007 UTC vs.
Revision 1.580 by root, Wed Jan 4 03:22:48 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
77	our $NOW;	138	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		139
80	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
91		143
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
95	binmode STDOUT;	160	binmode STDOUT;
96	binmode STDERR;	161	binmode STDERR;
97		162
98	# read virtual server time, if available	163	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
103	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
104		171
105	mkdir $_	172	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		174
108	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
109		176
110	sub cf::map::normalise;	177	sub cf::map::normalise;
111		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
112	#############################################################################	183	#############################################################################
113		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
114	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
115		197
116	=over 4	198	=over 4
117		199
118	=item $cf::UPTIME	200	=item $cf::UPTIME
119		201
120	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.
121		218
122	=item $cf::RUNTIME	219	=item $cf::RUNTIME
123		220
124	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
125	every server tick.	222	every server tick.
…		…
131	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
133	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
134	database environment.	231	database environment.
135		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
136	=item $cf::NOW	239	=item $cf::LOAD
137		240
138	The time of the last (current) server tick.	241	The raw value load value from the last tick.
139
140	=item $cf::TICK
141
142	The interval between server ticks, in seconds.
143		242
144	=item %cf::CFG	243	=item %cf::CFG
145		244
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	246	from wherever your confdir points to.
148		247
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		249
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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.
		282
155	=back	283	=back
156		284
157	=cut	285	=cut
158		286
159	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
160	*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 {
161	my $msg = join "", @_;	294	my $msg = join "", @_;
162		295
163	$msg .= "\n"	296	$msg .= "\n"
164	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
165		298
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		300
168	utf8::encode $msg;
169	LOG llevError, $msg;	301	LOG llevWarn, $msg;
170	};	302	};
171	}	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	};
172		317
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@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';
178	@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)
179		325
180	# 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
181	# within the Safe compartment.	327	# within the Safe compartment.
182	for my $pkg (qw(	328	for my $pkg (qw(
183	cf::global cf::attachable	329	cf::global cf::attachable
184	cf::object cf::object::player	330	cf::object cf::object::player
185	cf::client cf::player	331	cf::client cf::player
186	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
187	cf::map cf::party cf::region	334	cf::party cf::region
188	)) {	335	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	337	}
192		338
193	$Event::DIED = sub {	339	$EV::DIED = sub {
194	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
195	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
196		349
197	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
198		351
199	=over 4	352	=over 4
200		353
…		…
219	$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;
220	$d	373	$d
221	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
222	}	375	}
223		376
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
225		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
226	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
227		392
228	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
229		394
230	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
231		396
232	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
233		398
		399	=cut
		400
		401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		402
		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	}
		466	}
		467
234	=item cf::lock_wait $string	468	=item cf::lock_wait $string
235		469
236	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
237		471
238	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
239		473
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
243	returned.	477	returned.
244		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
245	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
246	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
247		484
248	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
249		486
250	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
251		488
252	=cut	489	=cut
253		490
254	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
255		492
256	sub lock_wait($) {	493	sub lock_wait($) {
257	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	495	}
265		496
266	sub lock_acquire($) {	497	sub lock_acquire($) {
267	my ($key) = @_;	498	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	499	}
279		500
280	sub lock_active($) {	501	sub lock_active($) {
281	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	503	}
285		504
286	sub freeze_mainloop {	505	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
288		507
289	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
290	$TICK_WATCHER->start;	509	}
		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	}
291	};	578	}
292	$TICK_WATCHER->stop;	579	};
293	$guard	580
		581	sub get_slot($;$$) {
		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;
294	}	594	}
295		595
296	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
297		597
298	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		603
304	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
305		605
306	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
307		607
308	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
309	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
310	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.
311		612
312	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
313	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
314	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
315	fast or be very important.	616	fast or be very important.
…		…
317	=cut	618	=cut
318		619
319	sub sync_job(&) {	620	sub sync_job(&) {
320	my ($job) = @_;	621	my ($job) = @_;
321		622
322	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
323	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
325		628
326	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	630
328	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
329		632
330	my $busy = 1;	633	my $busy = 1;
331	my @res;	634	my @res;
332		635
333	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	638	@res = eval { $job->() };
335	warn $@ if $@;	639	error $@ if $@;
336	undef $busy;	640	undef $busy;
337	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
338		642
339	while ($busy) {	643	while ($busy) {
340	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
341	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
342		654
343	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
344	} else {	656	} else {
345	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
346		658
…		…
366	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
367		679
368	$coro	680	$coro
369	}	681	}
370		682
371	sub write_runtime {	683	=item fork_call { }, @args
372	my $runtime = "$LOCALDIR/runtime";
373		684
374	# first touch the runtime file to show we are still running:	685	Executes the given code block with the given arguments in a seperate
375	# the fsync below can take a very very long time.	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.
376		689
377	warn "touching runtime...\n";#d#	690	=cut
378	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	691
379	utime undef, undef, $fh;	692	sub post_fork {
		693	reset_signals;
		694	}
		695
		696	sub fork_call(&@) {
		697	my ($cb, @args) = @_;
		698
		699	# we seemingly have to make a local copy of the whole thing,
		700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
		702
		703	my @res = Coro::Util::fork_eval {
		704	cf::post_fork;
		705	&$cb
		706	} @args;
		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
		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 $!;
380	}	779	};
		780	cf::cleanup "db_open(db): $@" if $@;
381		781
382	my $guard = cf::lock_acquire "write_runtime";	782	$db
		783	}
383		784
384	warn "starting to write runtime...\n";#d#	785	our $DB;
385	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
386	or return;
387		786
388	my $value = $cf::RUNTIME + 90 + 10;	787	sub db_init {
389	# 10 is the runtime save interval, for a monotonic clock	788	$DB ||= db_table "db";
390	# 60 allows for the watchdog to kill the server.	789	}
391		790
392	(aio_write $fh, 0, (length $value), $value, 0) <= 0	791	sub db_get($$) {
393	and return;	792	my $key = "$_[0]/$_[1]";
394		793
395	# always fsync - this file is important	794	cf::error "db_get called from main context"
396	aio_fsync $fh	795	if $Coro::current == $Coro::main;
397	and return;
398		796
399	# touch it again to show we are up-to-date	797	BDB::db_get $DB, undef, $key, my $data;
400	utime undef, undef, $fh;
401		798
402	close $fh	799	$! ? ()
403	or return;	800	: $data
		801	}
404		802
405	aio_rename "$runtime~", $runtime	803	sub db_put($$$) {
406	and return;	804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
407		807
408	warn "... done writing runtime.\n";#d#	808	=item cf::cache $id => [$paths...], $processversion => $process
409		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;
410	1	872	}
		873
		874	db_get cache => "$id/data"
411	}	875	}
412		876
413	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
414		878
415	Log a datalog packet of the given type with the given key-value pairs.	879	Log a datalog packet of the given type with the given key-value pairs.
416		880
417	=cut	881	=cut
418		882
419	sub datalog($@) {	883	sub datalog($@) {
420	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
421	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
422	}	886	}
423		887
424	=back	888	=back
425		889
426	=cut	890	=cut
427		891
428	#############################################################################	892	#############################################################################
429		893
430	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
431		895
432	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
433	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")
434	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
435		899
436	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>
437	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
438	crossfire+).	902	Deliantra).
439		903
440	=over 4	904	=over 4
441		905
442	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
443		907
…		…
487	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
488		952
489	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
490	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
491		955
492	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
493	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.
494		958
495	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
496		960
497	=over 4	961	=over 4
…		…
606	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
607		1071
608	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
609	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
610	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
611	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
612		1076
613	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
614	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
615		1079
616	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
621		1085
622	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
623	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
624		1088
625	} elsif (ref $type) {	1089	} elsif (ref $type) {
626	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
627		1091
628	} else {	1092	} else {
629	shift @arg;	1093	shift @arg;
630	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
631	}	1095	}
632	}	1096	}
633	}	1097	}
634		1098
635	sub _object_attach {	1099	sub _object_attach {
…		…
645	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
646	}	1110	}
647		1111
648	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
649	} else {	1113	} else {
650	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
651	}	1115	}
652		1116
653	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
654	}	1118	}
655		1119
…		…
657	if (ref $_[0]) {	1121	if (ref $_[0]) {
658	_object_attach @_;	1122	_object_attach @_;
659	} else {	1123	} else {
660	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
661	}	1125	}
		1126	_recalc_want;
662	};	1127	};
663		1128
664	# all those should be optimised	1129	# all those should be optimised
665	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
666	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
669	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
670	reattach ($obj);	1135	reattach ($obj);
671	} else {	1136	} else {
672	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
673	}	1138	}
		1139	_recalc_want;
674	};	1140	};
675		1141
676	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
677	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
678		1144
…		…
693	";	1159	";
694	die if $@;	1160	die if $@;
695	}	1161	}
696		1162
697	our $override;	1163	our $override;
698	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?
699		1165
700	sub override {	1166	sub override {
701	$override = 1;	1167	$override = 1;
702	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
703	}	1169	}
704		1170
705	sub do_invoke {	1171	sub do_invoke {
706	my $event = shift;	1172	my $event = shift;
707	my $callbacks = shift;	1173	my $callbacks = shift;
708		1174
709	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
710		1176
711	local $override;	1177	local $override;
712		1178
713	for (@$callbacks) {	1179	for (@$callbacks) {
714	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
715		1181
716	if ($@) {	1182	if ($@) {
717	warn "$@";
718	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
719	override;	1184	override;
720	}	1185	}
721		1186
722	return 1 if $override;	1187	return 1 if $override;
723	}	1188	}
724		1189
725	0	1190	0
726	}	1191	}
727		1192
728	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
729		1194
730	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
731		1196
732	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
733		1198
734	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
735	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
736	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
737		1202
738	=back	1203	=back
739		1204
740	=cut	1205	=cut
741		1206
742	#############################################################################	1207	#############################################################################
743	# 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	}
744		1251
745	sub reattach {	1252	sub reattach {
746	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
747	my ($obj) = @_;	1254	my ($obj) = @_;
748		1255
		1256	# no longer needed after getting rid of delete_package?
749	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
750		1258
751	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
752		1260
753	@$registry = ();	1261	@$registry = ();
754		1262
…		…
759	for (@$attach) {	1267	for (@$attach) {
760	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
761	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
762	}	1270	}
763	} else {	1271	} else {
764	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
765	}	1273	}
766	}	1274	}
767	}	1275	}
768		1276
769	cf::attachable->attach (	1277	cf::attachable->attach (
770	prio => -1000000,	1278	prio => -1000000,
771	on_instantiate => sub {	1279	on_instantiate => sub {
772	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
773		1281
774	$data = from_json $data;	1282	$data = decode_json $data;
775		1283
776	for (@$data) {	1284	for (@$data) {
777	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
778		1286
779	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
795	sub object_freezer_save {	1303	sub object_freezer_save {
796	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
797		1305
798	sync_job {	1306	sync_job {
799	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
800	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
801	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
802		1312
803	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
804	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
805	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
806	aio_fsync $fh if $cf::USE_FSYNC;	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;
		1318	aio_fsync $fh;
		1319	}
807	close $fh;	1320	aio_close $fh;
808		1321
809	if (@$objs) {	1322	if (@$objs) {
810	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) {
811	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
812	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
813	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
814	aio_fsync $fh if $cf::USE_FSYNC;	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;
		1329	aio_fsync $fh;
		1330	}
815	close $fh;	1331	aio_close $fh;
816	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
817	}	1333	}
818	} else {	1334	} else {
819	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
820	}	1336	}
821		1337
822	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
823	} else {	1342	} else {
824	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
825	}	1344	}
826	} else {	1345	} else {
827	aio_unlink $filename;	1346	aio_unlink $filename;
828	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
829	}	1348	}
830	}	1349	};
831	}	1350	}
832		1351
833	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
834	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
835		1354
…		…
847	or return;	1366	or return;
848		1367
849	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
850	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
851	or return;	1370	or return;
		1371
852	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
853	}	1374	}
854		1375
		1376	utf8::decode (my $decname = $filename);
855	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
856	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
857	return ($data, $av);	1381	($data, $av)
858	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
859		1389
860	#############################################################################	1390	#############################################################################
861	# command handling &c	1391	# command handling &c
862		1392
863	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
876	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
877	}	1407	}
878		1408
879	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
880		1410
881	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.
882		1416
883	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
884	called.	1418	called.
885		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
886	=cut	1431	=cut
887		1432
888	sub register_extcmd {	1433	sub register_extcmd {
889	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
890		1435
891	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
892	}	1437	}
893		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
894	cf::player->attach (	1447	cf::player->attach (
895	on_command => sub {	1448	on_unknown_command => sub {
896	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
897		1450
898	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
899	or return;	1452	or return;
900		1453
…		…
905	cf::override;	1458	cf::override;
906	},	1459	},
907	on_extcmd => sub {	1460	on_extcmd => sub {
908	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
909		1462
910	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
911		1464
912	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1467
		1468	my @reply;
		1469
913	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1470	if (my $cb = $EXTCMD{$type}) {
914	if (my %reply = $cb->($pl, $msg)) {	1471	@reply = $cb->($pl, @payload);
915	$pl->ext_reply ($msg->{msgid}, %reply);
916	}
917	}	1472	}
		1473
		1474	$pl->ext_reply ($reply, @reply)
		1475	if $reply;
		1476
918	} else {	1477	} else {
919	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
920	}	1479	}
921		1480
922	cf::override;	1481	cf::override;
923	},	1482	},
924	);	1483	);
925		1484
		1485	# "readahead" all extensions
926	sub load_extension {	1486	sub cache_extensions {
927	my ($path) = @_;	1487	my $grp = IO::AIO::aio_group;
928		1488
929	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
930	my $base = $1;	1490	for (grep /\.ext$/, @{$_[0]}) {
931	my $pkg = $1;	1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
932	$pkg =~ s/[^[:word:]]/_/g;
933	$pkg = "ext::$pkg";
934
935	warn "... loading '$path' into '$pkg'\n";
936
937	open my $fh, "<:utf8", $path
938	or die "$path: $!";
939
940	my $source =
941	"package $pkg; use strict; use utf8;\n"
942	. "#line 1 \"$path\"\n{\n"
943	. (do { local $/; <$fh> })
944	. "\n};\n1";
945
946	unless (eval $source) {
947	my $msg = $@ ? "$path: $@\n"
948	: "extension disabled.\n";
949	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
950	warn $@;
951	warn "mandatory extension failed to load, exiting.\n";
952	exit 1;
953	}	1492	}
954	die $@;
955	}	1493	};
956		1494
957	push @EXTS, $pkg;	1495	$grp
958	}	1496	}
959		1497
960	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
		1501	cf::sync_job {
		1502	my %todo;
		1503
961	for my $ext (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
962	next unless -r $ext;	1505	next unless -r $path;
963	eval {	1506
964	load_extension $ext;	1507	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1508	my $base = $1;
		1509	my $pkg = $1;
		1510	$pkg =~ s/[^[:word:]]/_/g;
		1511	$pkg = "ext::$pkg";
		1512
		1513	open my $fh, "<:utf8", $path
		1514	or die "$path: $!";
		1515
		1516	my $source = do { local $/; <$fh> };
		1517
		1518	my %ext = (
		1519	path => $path,
		1520	base => $base,
		1521	pkg => $pkg,
		1522	);
		1523
		1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1526
		1527	$ext{source} =
		1528	"package $pkg; use common::sense;\n"
		1529	. "#line 1 \"$path\"\n{\n"
		1530	. $source
		1531	. "\n};\n1";
		1532
		1533	$todo{$base} = \%ext;
		1534	}
		1535
		1536	my $pass = 0;
		1537	my %done;
		1538	while (%todo) {
		1539	my $progress;
		1540
		1541	++$pass;
		1542
		1543	ext:
		1544	while (my ($k, $v) = each %todo) {
		1545	for (split /,\s*/, $v->{meta}{depends}) {
		1546	next ext
		1547	unless exists $done{$_};
		1548	}
		1549
		1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1551
		1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
		1555	error "$v->{path}: $@\n";
		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559
		1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1561	delete $todo{$k};
		1562	} else {
		1563	$done{$k} = delete $todo{$k};
		1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
		1569	}
965	1	1570	}
966	} or warn "$ext not loaded: $@";	1571
		1572	unless ($progress) {
		1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
		1582	}
967	}	1583	};
968	}	1584	}
969		1585
970	#############################################################################	1586	#############################################################################
971		1587
		1588	=back
		1589
972	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
973		1591
974	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
975		1593
976	=cut	1594	=cut
977		1595
978	package cf::player;	1596	package cf::player;
979		1597
980	use Coro::AIO;	1598	use Coro::AIO;
981		1599
982	=head3 cf::player	1600	=head3 cf::player
983		1601
984	=over 4	1602	=over 4
		1603
		1604	=item cf::player::num_playing
		1605
		1606	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1607
		1608	=cut
		1609
		1610	sub num_playing {
		1611	scalar grep
		1612	$_->ob->map
		1613	&& !$_->hidden
		1614	&& !$_->ob->flag (cf::FLAG_WIZ),
		1615	cf::player::list
		1616	}
985		1617
986	=item cf::player::find $login	1618	=item cf::player::find $login
987		1619
988	Returns the given player object, loading it if necessary (might block).	1620	Returns the given player object, loading it if necessary (might block).
989		1621
…		…
1008		1640
1009	sub exists($) {	1641	sub exists($) {
1010	my ($login) = @_;	1642	my ($login) = @_;
1011		1643
1012	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1013	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1014	}	1646	}
1015		1647
1016	sub find($) {	1648	sub find($) {
1017	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1018	my $login = $_[0];	1650	my $login = $_[0];
…		…
1025	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1657	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1026	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1658	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1027	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1659	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1028	aio_unlink +(playerdir $login) . "/$login.pl";	1660	aio_unlink +(playerdir $login) . "/$login.pl";
1029		1661
1030	my $pl = load_pl path $login	1662	my $f = new_from_file cf::object::thawer path $login
1031	or return;	1663	or return;
		1664
		1665	my $pl = cf::player::load_pl $f
		1666	or return;
		1667
		1668	local $cf::PLAYER_LOADING{$login} = $pl;
		1669	$f->resolve_delayed_derefs;
1032	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1033	}	1671	}
1034	}	1672	}
1035	}	1673	}
		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
1036		1687
1037	sub save($) {	1688	sub save($) {
1038	my ($pl) = @_;	1689	my ($pl) = @_;
1039		1690
1040	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
…		…
1045	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1046		1697
1047	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1048	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
1049		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1705
1050	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1051	Coro::cede;	1707	cf::cede_to_tick;
1052	}	1708	}
1053		1709
1054	sub new($) {	1710	sub new($) {
1055	my ($login) = @_;	1711	my ($login) = @_;
1056		1712
…		…
1062	$cf::PLAYER{$login} = $self;	1718	$cf::PLAYER{$login} = $self;
1063		1719
1064	$self	1720	$self
1065	}	1721	}
1066		1722
		1723	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1724
		1725	=cut
		1726
		1727	sub send_msg {
		1728	my $ns = shift->ns
		1729	or return;
		1730	$ns->send_msg (@_);
		1731	}
		1732
1067	=item $pl->quit_character	1733	=item $pl->quit_character
1068		1734
1069	Nukes the player without looking back. If logged in, the connection will	1735	Nukes the player without looking back. If logged in, the connection will
1070	be destroyed. May block for a long time.	1736	be destroyed. May block for a long time.
1071		1737
…		…
1075	my ($pl) = @_;	1741	my ($pl) = @_;
1076		1742
1077	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1078		1744
1079	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1080	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1081		1747
1082	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1083	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1084	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1085	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1086		1756
1087	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1088	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1089	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1124	or return [];	1794	or return [];
1125		1795
1126	my @logins;	1796	my @logins;
1127		1797
1128	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
		1799	my $path = path $login;
		1800
		1801	# a .pst is a dead give-away for a valid player
		1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1129	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1130	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1131	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1807	}
1132		1808
1133	utf8::decode $login;	1809	utf8::decode $login;
1134	push @logins, $login;	1810	push @logins, $login;
1135	}	1811	}
1136		1812
1137	\@logins	1813	\@logins
1138	}	1814	}
1139		1815
1140	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1141		1819
1142	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1143	player. May block.	1821	player. May block.
1144		1822
1145	=cut	1823	=cut
…		…
1163	}	1841	}
1164		1842
1165	\@paths	1843	\@paths
1166	}	1844	}
1167		1845
		1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1847
		1848	Expand deliantra pod fragments into protocol xml.
		1849
1168	=item $player->ext_reply ($msgid, %msg)	1850	=item $player->ext_reply ($msgid, @msg)
1169		1851
1170	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1171		1853
1172	=cut	1854	=cut
1173		1855
1174	sub ext_reply($$%) {	1856	sub ext_reply($$@) {
1175	my ($self, $id, %msg) = @_;	1857	my ($self, $id, @msg) = @_;
1176		1858
1177	$msg{msgid} = $id;	1859	$self->ns->ext_reply ($id, @msg)
1178
1179	$self->send ("ext " . cf::to_json \%msg);
1180	}	1860	}
1181		1861
1182	=item $player->ext_event ($type, %msg)	1862	=item $player->ext_msg ($type, @msg)
1183		1863
1184	Sends an ext event to the client.	1864	Sends an ext event to the client.
1185		1865
1186	=cut	1866	=cut
1187		1867
1188	sub ext_event($$%) {	1868	sub ext_msg($$@) {
1189	my ($self, $type, %msg) = @_;	1869	my ($self, $type, @msg) = @_;
1190		1870
1191	$self->ns->ext_event ($type, %msg);	1871	$self->ns->ext_msg ($type, @msg);
1192	}	1872	}
1193		1873
1194	=head3 cf::region	1874	=head3 cf::region
1195		1875
1196	=over 4	1876	=over 4
…		…
1199		1879
1200	package cf::region;	1880	package cf::region;
1201		1881
1202	=item cf::region::find_by_path $path	1882	=item cf::region::find_by_path $path
1203		1883
1204	Tries to decuce the probable region for a map knowing only its path.	1884	Tries to decuce the likely region for a map knowing only its path.
1205		1885
1206	=cut	1886	=cut
1207		1887
1208	sub find_by_path($) {	1888	sub find_by_path($) {
1209	my ($path) = @_;	1889	my ($path) = @_;
1210		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
		1892
1211	my ($match, $specificity);	1893	my ($match, $specificity);
1212		1894
1213	for my $region (list) {	1895	for my $region (list) {
1214	if ($region->match && $path =~ $region->match) {	1896	if ($region->{match} && $path =~ $region->{match}) {
1215	($match, $specificity) = ($region, $region->specificity)	1897	($match, $specificity) = ($region, $region->specificity)
1216	if $region->specificity > $specificity;	1898	if $region->specificity > $specificity;
1217	}	1899	}
1218	}	1900	}
1219		1901
…		…
1240	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1241	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1242		1924
1243	sub generate_random_map {	1925	sub generate_random_map {
1244	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1245	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1246	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1247	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1248	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1249	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1250	$rmp->{exit_on_final_map},
1251	$rmp->{xsize}, $rmp->{ysize},
1252	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1253	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1254	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1255	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1256	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1257	(cf::region::find $rmp->{region}), $rmp->{custom}
1258	)
1259	}	1931	}
1260		1932
1261	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1262		1934
1263	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1268		1940
1269	sub register {	1941	sub register {
1270	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1271	my $pkg = caller;	1943	my $pkg = caller;
1272		1944
1273	no strict;
1274	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1275		1946
1276	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1277	}	1948	}
1278		1949
1279	# also paths starting with '/'	1950	# also paths starting with '/'
1280	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1281		1952
1282	sub thawer_merge {	1953	sub thawer_merge {
1283	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1284		1955
1285	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
1286	local $self->{path};	1957	local $self->{path};
1287	local $self->{load_path};	1958	local $self->{load_path};
1288	local $self->{deny_save};
1289	local $self->{deny_reset};
1290		1959
1291	$self->SUPER::thawer_merge ($merge);	1960	$self->SUPER::thawer_merge ($merge);
1292	}	1961	}
1293		1962
1294	sub normalise {	1963	sub normalise {
1295	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1296		1965
1297	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1298		1967
1299	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1300		1969
1301	# map plan:	1970	# map plan:
1302	#	1971	#
…		…
1317	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1318	$path = "$base/$path";	1987	$path = "$base/$path";
1319	}	1988	}
1320		1989
1321	for ($path) {	1990	for ($path) {
1322	redo if s{//}{/};
1323	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1324	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1325	}	1993	}
1326		1994
1327	$path	1995	$path
…		…
1341	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1342	return $self;	2010	return $self;
1343	}	2011	}
1344	}	2012	}
1345		2013
1346	Carp::carp "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1347	()	2015	()
1348	}	2016	}
1349		2017
		2018	# may re-bless or do other evil things
1350	sub init {	2019	sub init {
1351	my ($self) = @_;	2020	my ($self) = @_;
1352		2021
1353	$self	2022	$self
1354	}	2023	}
…		…
1373		2042
1374	# the temporary/swap location	2043	# the temporary/swap location
1375	sub save_path {	2044	sub save_path {
1376	my ($self) = @_;	2045	my ($self) = @_;
1377		2046
1378	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1379	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1380	}	2049	}
1381		2050
1382	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1383	sub uniq_path {	2052	sub uniq_path {
1384	my ($self) = @_;	2053	my ($self) = @_;
1385		2054
1386	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1387	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1388	}	2057	}
1389		2058
1390	# and all this just because we cannot iterate over	2059	sub decay_objects {
1391	# all maps in C++...
1392	sub change_all_map_light {
1393	my ($change) = @_;	2060	my ($self) = @_;
1394		2061
1395	$_->change_map_light ($change)	2062	return if $self->{deny_reset};
1396	for grep $_->outdoor, values %cf::MAP;	2063
		2064	$self->do_decay_objects;
1397	}	2065	}
1398		2066
1399	sub unlink_save {	2067	sub unlink_save {
1400	my ($self) = @_;	2068	my ($self) = @_;
1401		2069
…		…
1406		2074
1407	sub load_header_from($) {	2075	sub load_header_from($) {
1408	my ($self, $path) = @_;	2076	my ($self, $path) = @_;
1409		2077
1410	utf8::encode $path;	2078	utf8::encode $path;
1411	#aio_open $path, O_RDONLY, 0	2079	my $f = new_from_file cf::object::thawer $path
1412	# or return;
1413
1414	$self->_load_header ($path)
1415	or return;	2080	or return;
1416		2081
		2082	$self->_load_header ($f)
		2083	or return;
		2084
		2085	local $MAP_LOADING{$self->{path}} = $self;
		2086	$f->resolve_delayed_derefs;
		2087
1417	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1418		2089
1419	1	2090	1
1420	}	2091	}
1421		2092
		2093	# used to laod the header of an original map
1422	sub load_header_orig {	2094	sub load_header_orig {
1423	my ($self) = @_;	2095	my ($self) = @_;
1424		2096
1425	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1426	}	2098	}
1427		2099
		2100	# used to laod the header of an instantiated map
1428	sub load_header_temp {	2101	sub load_header_temp {
1429	my ($self) = @_;	2102	my ($self) = @_;
1430		2103
1431	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1432	}	2105	}
1433		2106
		2107	# called after loading the header from an instantiated map
1434	sub prepare_temp {	2108	sub prepare_temp {
1435	my ($self) = @_;	2109	my ($self) = @_;
1436		2110
1437	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1438	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1439	# safety	2113	# safety
1440	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1441	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1442	}	2116	}
1443		2117
		2118	# called after loading the header from an original map
1444	sub prepare_orig {	2119	sub prepare_orig {
1445	my ($self) = @_;	2120	my ($self) = @_;
1446		2121
1447	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1448	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1459	$self->load_header_orig	2134	$self->load_header_orig
1460	or return;	2135	or return;
1461	$self->prepare_orig;	2136	$self->prepare_orig;
1462	}	2137	}
1463		2138
		2139	$self->{deny_reset} = 1
		2140	if $self->no_reset;
		2141
1464	$self->default_region (cf::region::find_by_path $self->{path})	2142	$self->default_region (cf::region::find_by_path $self->{path})
1465	unless $self->default_region;	2143	unless $self->default_region;
1466		2144
1467	1	2145	1
1468	}	2146	}
1469		2147
1470	sub find;	2148	sub find;
1471	sub find {	2149	sub find {
1472	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1473		2151
		2152	cf::cede_to_tick;
		2153
1474	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1475		2155
		2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1476	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1477		2158
1478	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1479	my $guard = cf::lock_acquire "map_find:$path";
1480	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1481	or return;	2161	or return;
1482		2162
1483	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1484		2164
1485	$map->load_header	2165	$map->load_header
1486	or return;	2166	or return;
1487		2167
1488	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1489	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1490	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
		2172	undef $guard1;
1491	$map->reset;	2173	$map->reset;
1492	undef $guard;
1493	return find $path;	2174	return find $path;
1494	}	2175	}
1495		2176
1496	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1497	}	2178	}
1498	}	2179	}
1499		2180
1500	sub pre_load { }	2181	sub pre_load { }
1501	sub post_load { }	2182	#sub post_load { } # XS
1502		2183
1503	sub load {	2184	sub load {
1504	my ($self) = @_;	2185	my ($self) = @_;
1505		2186
1506	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
1507		2188
1508	my $path = $self->{path};	2189	my $path = $self->{path};
1509		2190
1510	{	2191	{
1511	my $guard = cf::lock_acquire "map_load:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1512		2193
		2194	return unless $self->valid;
1513	return if $self->in_memory != cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
1514
1515	$self->in_memory (cf::MAP_LOADING);
1516		2196
1517	$self->alloc;	2197	$self->alloc;
1518		2198
1519	$self->pre_load;	2199	$self->pre_load;
1520	Coro::cede;	2200	cf::cede_to_tick;
1521		2201
1522	$self->_load_objects ($self->{load_path}, 1)	2202	if (exists $self->{load_path}) {
		2203	my $f = new_from_file cf::object::thawer $self->{load_path};
		2204	$f->skip_block;
		2205	$self->_load_objects ($f)
1523	or return;	2206	or return;
1524		2207
1525	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1526	if delete $self->{load_original};	2209	if delete $self->{load_original};
1527		2210
1528	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1529	utf8::encode $uniq;	2212	utf8::encode $uniq;
1530	if (aio_open $uniq, O_RDONLY, 0) {	2213	unless (aio_stat $uniq) {
		2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1531	$self->clear_unique_items;	2215	$self->clear_unique_items;
1532	$self->_load_objects ($uniq, 0);	2216	$self->_load_objects ($f);
		2217	$f->resolve_delayed_derefs;
		2218	}
		2219	}
1533	}	2220	}
1534	}
1535		2221
1536	Coro::cede;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
		2229
		2230	cf::cede_to_tick;
1537	# now do the right thing for maps	2231	# now do the right thing for maps
1538	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1539	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
1540	unless $self->difficulty;	2234	unless $self->difficulty;
1541	Coro::cede;	2235	cf::cede_to_tick;
1542		2236
1543	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
1544	$self->decay_objects;	2238	$self->decay_objects;
1545	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
1546	$self->update_buttons;	2240	$self->update_buttons;
1547	Coro::cede;	2241	cf::cede_to_tick;
1548	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
1549	Coro::cede;
1550	$self->activate;
1551	}	2243	}
1552		2244
1553	$self->in_memory (cf::MAP_IN_MEMORY);	2245	$self->{last_save} = $cf::RUNTIME;
		2246	$self->last_access ($cf::RUNTIME);
1554	}	2247	}
1555		2248
1556	$self->post_load;	2249	$self->post_load;
1557	}
1558		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1559	sub customise_for {	2257	sub customise_for {
1560	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1561		2259
1562	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1563	if $self->per_player;	2261	if $self->per_player;
1564		2262
		2263	# return find "?party/" . $ob->name . "/" . $self->{path}
		2264	# if $self->per_party;
		2265
1565	$self	2266	$self
1566	}
1567
1568	# find and load all maps in the 3x3 area around a map
1569	sub load_diag {
1570	my ($map) = @_;
1571
1572	my @diag; # diagonal neighbours
1573
1574	for (0 .. 3) {
1575	my $neigh = $map->tile_path ($_)
1576	or next;
1577	$neigh = find $neigh, $map
1578	or next;
1579	$neigh->load;
1580
1581	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1582	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1583	}
1584
1585	for (@diag) {
1586	my $neigh = find @$_
1587	or next;
1588	$neigh->load;
1589	}
1590	}	2267	}
1591		2268
1592	sub find_sync {	2269	sub find_sync {
1593	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
1594		2271
1595	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1596	}	2277	}
1597		2278
1598	sub do_load_sync {	2279	sub do_load_sync {
1599	my ($map) = @_;	2280	my ($map) = @_;
1600		2281
1601	cf::sync_job { $map->load };	2282	# it's a bug to call this from the main context
		2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2284	if $Coro::current == $Coro::main;
		2285
		2286	$map->load;
1602	}	2287	}
1603		2288
1604	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
1605	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
1606		2291
1607	sub find_async {	2292	sub find_async {
1608	my ($path, $origin) = @_;	2293	my ($path, $origin, $load) = @_;
1609		2294
1610	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
1611		2296
1612	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
1613	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
1614	}	2299	}
1615		2300
1616	undef $MAP_PREFETCH{$path};	2301	$MAP_PREFETCH{$path} |= $load;
		2302
1617	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
		2304	$Coro::current->{desc} = "map prefetcher";
		2305
1618	while (%MAP_PREFETCH) {	2306	while (%MAP_PREFETCH) {
1619	for my $path (keys %MAP_PREFETCH) {	2307	while (my ($k, $v) = each %MAP_PREFETCH) {
1620	my $map = find $path	2308	if (my $map = find $k) {
1621	or next;
1622	$map->load;	2309	$map->load if $v;
		2310	}
1623		2311
1624	delete $MAP_PREFETCH{$path};	2312	delete $MAP_PREFETCH{$k};
1625	}	2313	}
1626	}	2314	}
1627	undef $MAP_PREFETCHER;	2315	undef $MAP_PREFETCHER;
1628	};	2316	};
1629	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
1630		2318
1631	()	2319	()
1632	}	2320	}
1633		2321
		2322	# common code, used by both ->save and ->swapout
1634	sub save {	2323	sub _save {
1635	my ($self) = @_;	2324	my ($self) = @_;
1636
1637	my $lock = cf::lock_acquire "map_data:" . $self->path;
1638		2325
1639	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
1640		2327
1641	return unless $self->dirty;	2328	return unless $self->dirty;
1642		2329
…		…
1648	return if $self->{deny_save};	2335	return if $self->{deny_save};
1649		2336
1650	local $self->{last_access} = $self->last_access;#d#	2337	local $self->{last_access} = $self->last_access;#d#
1651		2338
1652	cf::async {	2339	cf::async {
		2340	$Coro::current->{desc} = "map player save";
1653	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
1654	};	2342	};
		2343
		2344	cf::get_slot 0.02;
1655		2345
1656	if ($uniq) {	2346	if ($uniq) {
1657	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1658	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1659	} else {	2349	} else {
1660	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1661	}	2351	}
1662	}	2352	}
1663		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
1664	sub swap_out {	2362	sub swap_out {
1665	my ($self) = @_;	2363	my ($self) = @_;
1666		2364
1667	# save first because save cedes
1668	$self->save;
1669
1670	my $lock = cf::lock_acquire "map_data:" . $self->path;	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
1671		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
1672	return if $self->players;	2369	return if $self->players;
1673	return if $self->in_memory != cf::MAP_IN_MEMORY;
1674	return if $self->{deny_save};
1675		2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
1676	$self->clear;	2380	$self->clear;
1677	$self->in_memory (cf::MAP_SWAPPED);
1678	}	2381	}
1679		2382
1680	sub reset_at {	2383	sub reset_at {
1681	my ($self) = @_;	2384	my ($self) = @_;
1682		2385
1683	# TODO: safety, remove and allow resettable per-player maps	2386	# TODO: safety, remove and allow resettable per-player maps
1684	return 1e99 if $self->isa ("ext::map_per_player");#d#
1685	return 1e99 if $self->{deny_reset};	2387	return 1e99 if $self->{deny_reset};
1686		2388
1687	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2389	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1688	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2390	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1689		2391
…		…
1700	my ($self) = @_;	2402	my ($self) = @_;
1701		2403
1702	my $lock = cf::lock_acquire "map_data:$self->{path}";	2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
1703		2405
1704	return if $self->players;	2406	return if $self->players;
1705	return if $self->isa ("ext::map_per_player");#d#
1706		2407
1707	warn "resetting map ", $self->path;#d#	2408	cf::trace "resetting map ", $self->path, "\n";
1708		2409
1709	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
1710		2411
1711	# need to save uniques path	2412	# need to save uniques path
1712	unless ($self->{deny_save}) {	2413	unless ($self->{deny_save}) {
1713	my $uniq = $self->uniq_path; utf8::encode $uniq;	2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
1714		2415
…		…
1716	if $uniq;	2417	if $uniq;
1717	}	2418	}
1718		2419
1719	delete $cf::MAP{$self->path};	2420	delete $cf::MAP{$self->path};
1720		2421
		2422	$self->deactivate;
		2423	$_->clear_links_to ($self) for values %cf::MAP;
1721	$self->clear;	2424	$self->clear;
1722
1723	$_->clear_links_to ($self) for values %cf::MAP;
1724		2425
1725	$self->unlink_save;	2426	$self->unlink_save;
1726	$self->destroy;	2427	$self->destroy;
1727	}	2428	}
1728		2429
1729	my $nuke_counter = "aaaa";	2430	my $nuke_counter = "aaaa";
1730		2431
1731	sub nuke {	2432	sub nuke {
1732	my ($self) = @_;	2433	my ($self) = @_;
1733		2434
		2435	{
		2436	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2437
1734	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
1735		2439
1736	$self->unlink_save;	2440	$self->unlink_save;
1737		2441
1738	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
1739	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
1740	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
1741	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
1742	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1743		2447
1744	$cf::MAP{$self->path} = $self;	2448	$cf::MAP{$self->path} = $self;
		2449	}
1745		2450
1746	$self->reset; # polite request, might not happen	2451	$self->reset; # polite request, might not happen
		2452	}
		2453
		2454	=item $maps = cf::map::tmp_maps
		2455
		2456	Returns an arrayref with all map paths of currently instantiated and saved
		2457	maps. May block.
		2458
		2459	=cut
		2460
		2461	sub tmp_maps() {
		2462	[
		2463	map {
		2464	utf8::decode $_;
		2465	/\.map$/
		2466	? normalise $_
		2467	: ()
		2468	} @{ aio_readdir $TMPDIR or [] }
		2469	]
		2470	}
		2471
		2472	=item $maps = cf::map::random_maps
		2473
		2474	Returns an arrayref with all map paths of currently instantiated and saved
		2475	random maps. May block.
		2476
		2477	=cut
		2478
		2479	sub random_maps() {
		2480	[
		2481	map {
		2482	utf8::decode $_;
		2483	/\.map$/
		2484	? normalise "?random/$_"
		2485	: ()
		2486	} @{ aio_readdir $RANDOMDIR or [] }
		2487	]
1747	}	2488	}
1748		2489
1749	=item cf::map::unique_maps	2490	=item cf::map::unique_maps
1750		2491
1751	Returns an arrayref of paths of all shared maps that have	2492	Returns an arrayref of paths of all shared maps that have
1752	instantiated unique items. May block.	2493	instantiated unique items. May block.
1753		2494
1754	=cut	2495	=cut
1755		2496
1756	sub unique_maps() {	2497	sub unique_maps() {
1757	my $files = aio_readdir $UNIQUEDIR	2498	[
1758	or return;	2499	map {
1759
1760	my @paths;
1761
1762	for (@$files) {
1763	utf8::decode $_;	2500	utf8::decode $_;
1764	next if /\.pst$/;	2501	s/\.map$//; # TODO future compatibility hack
1765	next unless /^$PATH_SEP/o;	2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1766		2503	? ()
1767	push @paths, cf::map::normalise $_;	2504	: normalise $_
		2505	} @{ aio_readdir $UNIQUEDIR or [] }
1768	}	2506	]
1769
1770	\@paths
1771	}	2507	}
1772		2508
1773	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
1774		2540
1775	=back	2541	=back
1776		2542
1777	=head3 cf::object	2543	=head3 cf::object
1778		2544
…		…
1782		2548
1783	=over 4	2549	=over 4
1784		2550
1785	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
1786		2552
1787	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
1788		2555
1789	=cut	2556	=cut
1790		2557
1791	sub inv_recursive_;	2558	sub inv_recursive_;
1792	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
1795		2562
1796	sub inv_recursive {	2563	sub inv_recursive {
1797	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
1798	}	2565	}
1799		2566
		2567	=item $ref = $ob->ref
		2568
		2569	Creates and returns a persistent reference to an object that can be stored as a string.
		2570
		2571	=item $ob = cf::object::deref ($refstring)
		2572
		2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2574	even if the object actually exists. May block.
		2575
		2576	=cut
		2577
		2578	sub deref {
		2579	my ($ref) = @_;
		2580
		2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2582	my ($uuid, $name) = ($1, $2);
		2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2584	or return;
		2585	$pl->ob->uuid eq $uuid
		2586	or return;
		2587
		2588	$pl->ob
		2589	} else {
		2590	warn "$ref: cannot resolve object reference\n";
		2591	undef
		2592	}
		2593	}
		2594
1800	package cf;	2595	package cf;
1801		2596
1802	=back	2597	=back
1803		2598
1804	=head3 cf::object::player	2599	=head3 cf::object::player
…		…
1810	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2605	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1811	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
1812	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
1813		2608
1814	=cut	2609	=cut
		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
1815		2624
1816	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
1817	# with dialog boxes.	2626	# with dialog boxes.
1818	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
1819	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
…		…
1821		2630
1822	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2631	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1823		2632
1824	if ($self->{record_replies}) {	2633	if ($self->{record_replies}) {
1825	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2634	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2635
1826	} else {	2636	} else {
		2637	my $pl = $self->contr;
		2638
		2639	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2640	my $dialog = $pl->{npc_dialog};
		2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2642
		2643	} else {
1827	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
1828	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2646	}
1829	}	2647	}
		2648	}
		2649
		2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2651
		2652	=cut
		2653
		2654	sub cf::object::send_msg {
		2655	my $pl = shift->contr
		2656	or return;
		2657	$pl->send_msg (@_);
1830	}	2658	}
1831		2659
1832	=item $player_object->may ("access")	2660	=item $player_object->may ("access")
1833		2661
1834	Returns wether the given player is authorized to access resource "access"	2662	Returns wether the given player is authorized to access resource "access"
…		…
1847		2675
1848	=item $player_object->enter_link	2676	=item $player_object->enter_link
1849		2677
1850	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
1851		2679
1852	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
1853	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
1854		2684
1855	Will never block.	2685	Will never block.
1856		2686
1857	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
1858		2688
…		…
1878	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
1879	my ($self) = @_;	2709	my ($self) = @_;
1880		2710
1881	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
1882		2712
		2713	++$self->{_link_recursion};
		2714
1883	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
1884		2716
1885	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1886	if $self->map;	2718	if $self->map && $self->map->{path} ne "{link}";
1887		2719
1888	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1889	}	2721	}
1890		2722
1891	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
1892	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
		2725
		2726	return unless $self->contr->active;
1893		2727
1894	my $link_pos = delete $self->{_link_pos};	2728	my $link_pos = delete $self->{_link_pos};
1895		2729
1896	unless ($map) {	2730	unless ($map) {
1897	# restore original map position	2731	# restore original map position
…		…
1908	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
1909	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
1910		2744
1911	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
1912	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
1913	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
1914		2748
1915	$map->load;	2749	$map->load;
1916	$map->load_diag;
1917		2750
1918	return unless $self->contr->active;	2751	return unless $self->contr->active;
1919	$self->activate_recursive;
1920		2752
1921	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1922	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
1923	}	2755	# entering was successful
1924		2756	delete $self->{_link_recursion};
1925	cf::player->attach (	2757	# only activate afterwards, to support waiting in hooks
1926	on_logout => sub {	2758	$self->activate_recursive;
1927	my ($pl) = @_;
1928
1929	# abort map switching before logout
1930	if ($pl->ob->{_link_pos}) {
1931	cf::sync_job {
1932	$pl->ob->leave_link
1933	};
1934	}
1935	},	2759	}
1936	on_login => sub {
1937	my ($pl) = @_;
1938		2760
1939	# try to abort aborted map switching on player login :)	2761	}
1940	# should happen only on crashes
1941	if ($pl->ob->{_link_pos}) {
1942	$pl->ob->enter_link;
1943	(async {
1944	$pl->ob->reply (undef,
1945	"There was an internal problem at your last logout, "
1946	. "the server will try to bring you to your intended destination in a second.",
1947	cf::NDI_RED);
1948	# we need this sleep as the login has a concurrent enter_exit running
1949	# and this sleep increases chances of the player not ending up in scorn
1950	Coro::Timer::sleep 1;
1951	$pl->ob->leave_link;
1952	})->prio (2);
1953	}
1954	},
1955	);
1956		2762
1957	=item $player_object->goto ($path, $x, $y)	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1958		2764
		2765	Moves the player to the given map-path and coordinates by first freezing
		2766	her, loading and preparing them map, calling the provided $check callback
		2767	that has to return the map if sucecssful, and then unfreezes the player on
		2768	the new (success) or old (failed) map position. In either case, $done will
		2769	be called at the end of this process.
		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
1959	=cut	2774	=cut
		2775
		2776	our $GOTOGEN;
1960		2777
1961	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
1962	my ($self, $path, $x, $y) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
		2787	# do generation counting so two concurrent goto's will be executed in-order
		2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1963		2789
1964	$self->enter_link;	2790	$self->enter_link;
1965		2791
1966	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
1967	my $map = eval {	2814	my $map = eval {
1968	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2816
		2817	if ($map) {
1969	$map = $map->customise_for ($self) if $map;	2818	$map = $map->customise_for ($self);
		2819	$map = $check->($map, $x, $y, $self) if $check && $map;
		2820	} else {
		2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823
1970	$map	2824	$map
		2825	};
		2826
		2827	if ($@) {
		2828	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	LOG llevError | logBacktrace, Carp::longmess $@;
1971	} or	2830	}
1972	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1973		2831
		2832	if ($gen == $self->{_goto_generation}) {
		2833	delete $self->{_goto_generation};
1974	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
		2835	}
		2836
		2837	$done->($self) if $done;
1975	})->prio (1);	2838	})->prio (1);
1976	}	2839	}
1977		2840
1978	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
1979		2842
…		…
1999	}	2862	}
2000		2863
2001	sub prepare_random_map {	2864	sub prepare_random_map {
2002	my ($exit) = @_;	2865	my ($exit) = @_;
2003		2866
2004	my $guard = cf::lock_acquire "exit_prepare:$exit";
2005
2006	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2007	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2008	# that depends on the exit object	2869	# that depends on the exit object
2009		2870
2010	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2012	if ($exit->map) {	2873	if ($exit->map) {
2013	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2014	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2015	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2016	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2017	}	2880	}
2018		2881
2019	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2020		2883
2021	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2022	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2023	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2024		2887
2025	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2026	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2027	undef $fh;	2890	undef $fh;
2028	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2029		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2030	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2031	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2032	}	2899	}
2033	}	2900	}
2034		2901
2035	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2036	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2037		2904
2038	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2039		2906
2040	if ($exit->slaying eq "/!") {
2041	#TODO: this should de-fi-ni-te-ly not be a sync-job
2042	# the problem is that $exit might not survive long enough
2043	# so it needs to be done right now, right here
2044	cf::sync_job { prepare_random_map $exit };
2045	}
2046
2047	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2048	my $hp = $exit->stats->hp;
2049	my $sp = $exit->stats->sp;
2050
2051	$self->enter_link;	2907	$self->enter_link;
2052		2908
2053	(async {	2909	(async {
2054	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2055	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
2056	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2057		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
2058	1;	2948	1
2059	}) {	2949	}) {
2060	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2061	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
2062	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2063	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2064		2954
2065	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2066	$self->leave_link;	2956	$self->leave_link;
2067	}	2957	}
2068	})->prio (1);	2958	})->prio (1);
2069	}	2959	}
2070		2960
…		…
2084		2974
2085	utf8::encode $text;	2975	utf8::encode $text;
2086	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2087	}	2977	}
2088		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
		3002	}
		3003
		3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3005
		3006	Send a drawinfo or msg packet to the client, formatting the msg for the
		3007	client if neccessary. C<$type> should be a string identifying the type of
		3008	the message, with C<log> being the default. If C<$color> is negative, suppress
		3009	the message unless the client supports the msg packet.
		3010
		3011	=cut
		3012
		3013	# non-persistent channels (usually the info channel)
		3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
		3021	"c/identify" => {
		3022	id => "infobox",
		3023	title => "Identify",
		3024	reply => undef,
		3025	tooltip => "Items recently identified",
		3026	},
		3027	"c/examine" => {
		3028	id => "infobox",
		3029	title => "Examine",
		3030	reply => undef,
		3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
		3045	"c/lookat" => {
		3046	id => "infobox",
		3047	title => "Look",
		3048	reply => undef,
		3049	tooltip => "What you saw there",
		3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
		3125	);
		3126
		3127	sub cf::client::send_msg {
		3128	my ($self, $channel, $msg, $color, @extra) = @_;
		3129
		3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
		3132
		3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3134
		3135	# check predefined channels, for the benefit of C
		3136	if ($CHANNEL{$channel}) {
		3137	$channel = $CHANNEL{$channel};
		3138
		3139	$self->ext_msg (channel_info => $channel);
		3140	$channel = $channel->{id};
		3141
		3142	} elsif (ref $channel) {
		3143	# send meta info to client, if not yet sent
		3144	unless (exists $self->{channel}{$channel->{id}}) {
		3145	$self->{channel}{$channel->{id}} = $channel;
		3146	$self->ext_msg (channel_info => $channel);
		3147	}
		3148
		3149	$channel = $channel->{id};
		3150	}
		3151
		3152	return unless @extra || length $msg;
		3153
		3154	# default colour, mask it out
		3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3156	if $color & cf::NDI_DEF;
		3157
		3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
		3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3161	);
		3162
		3163	$self->send_big_packet ($pkt);
		3164	}
		3165
2089	=item $client->ext_event ($type, %msg)	3166	=item $client->ext_msg ($type, @msg)
2090		3167
2091	Sends an exti event to the client.	3168	Sends an ext event to the client.
2092		3169
2093	=cut	3170	=cut
2094		3171
2095	sub cf::client::ext_event($$%) {	3172	sub cf::client::ext_msg($$@) {
2096	my ($self, $type, %msg) = @_;	3173	my ($self, $type, @msg) = @_;
2097		3174
		3175	if ($self->extcmd == 2) {
		3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3177	} elsif ($self->extcmd == 1) { # TODO: remove
2098	$msg{msgtype} = "event_$type";	3178	push @msg, msgtype => "event_$type";
2099	$self->send_packet ("ext " . cf::to_json \%msg);	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
		3182
		3183	=item $client->ext_reply ($msgid, @msg)
		3184
		3185	Sends an ext reply to the client.
		3186
		3187	=cut
		3188
		3189	sub cf::client::ext_reply($$@) {
		3190	my ($self, $id, @msg) = @_;
		3191
		3192	return unless $self->extcmd == 2;
		3193
		3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2100	}	3195	}
2101		3196
2102	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2103		3198
2104	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
2105	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3200	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2106	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3201	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2107		3202
2108	Queries can fail, so check the return code. Or don't, as queries will become	3203	Queries can fail, so check the return code. Or don't, as queries will
2109	reliable at some point in the future.	3204	become reliable at some point in the future.
2110		3205
2111	=cut	3206	=cut
2112		3207
2113	sub cf::client::query {	3208	sub cf::client::query {
2114	my ($self, $flags, $text, $cb) = @_;	3209	my ($self, $flags, $text, $cb) = @_;
…		…
2122	utf8::encode $text;	3217	utf8::encode $text;
2123	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3218	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2124		3219
2125	$self->send_packet ($self->{query_queue}[0][0])	3220	$self->send_packet ($self->{query_queue}[0][0])
2126	if @{ $self->{query_queue} } == 1;	3221	if @{ $self->{query_queue} } == 1;
		3222
		3223	1
2127	}	3224	}
2128		3225
2129	cf::client->attach (	3226	cf::client->attach (
		3227	on_connect => sub {
		3228	my ($ns) = @_;
		3229
		3230	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3231	},
2130	on_reply => sub {	3232	on_reply => sub {
2131	my ($ns, $msg) = @_;	3233	my ($ns, $msg) = @_;
2132		3234
2133	# this weird shuffling is so that direct followup queries	3235	# this weird shuffling is so that direct followup queries
2134	# get handled first	3236	# get handled first
…		…
2146	} else {	3248	} else {
2147	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3249	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2148	}	3250	}
2149	}	3251	}
2150	},	3252	},
		3253	on_exticmd => sub {
		3254	my ($ns, $buf) = @_;
		3255
		3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3257
		3258	if (ref $msg) {
		3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3260
		3261	my @reply;
		3262
		3263	if (my $cb = $EXTICMD{$type}) {
		3264	@reply = $cb->($ns, @payload);
		3265	}
		3266
		3267	$ns->ext_reply ($reply, @reply)
		3268	if $reply;
		3269
		3270	} else {
		3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3272	}
		3273
		3274	cf::override;
		3275	},
2151	);	3276	);
2152		3277
2153	=item $client->async (\&cb)	3278	=item $client->async (\&cb)
2154		3279
2155	Create a new coroutine, running the specified callback. The coroutine will	3280	Create a new coroutine, running the specified callback. The coroutine will
…		…
2171		3296
2172	$coro	3297	$coro
2173	}	3298	}
2174		3299
2175	cf::client->attach (	3300	cf::client->attach (
2176	on_destroy => sub {	3301	on_client_destroy => sub {
2177	my ($ns) = @_;	3302	my ($ns) = @_;
2178		3303
2179	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2180	},	3305	},
2181	);	3306	);
…		…
2196	our $safe = new Safe "safe";	3321	our $safe = new Safe "safe";
2197	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2198		3323
2199	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2200		3325
2201	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3326	$safe->permit_only (Opcode::opset qw(
		3327	:base_core :base_mem :base_orig :base_math :base_loop
		3328	grepstart grepwhile mapstart mapwhile
		3329	sort time
		3330	));
2202		3331
2203	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
2204		3333
2205	=pod	3334	=pod
2206		3335
2207	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2208		3337
2209	cf::object contr pay_amount pay_player map	3338	cf::object
		3339	contr pay_amount pay_player map x y force_find force_add destroy
		3340	insert remove name archname title slaying race decrease split
		3341	value
		3342
2210	cf::object::player player	3343	cf::object::player
2211	cf::player peaceful	3344	player
2212	cf::map trigger	3345
		3346	cf::player
		3347	peaceful
		3348
		3349	cf::map
		3350	trigger
2213		3351
2214	=cut	3352	=cut
2215		3353
2216	for (	3354	for (
2217	["cf::object" => qw(contr pay_amount pay_player map)],	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3356	insert remove inv nrof name archname title slaying race
		3357	decrease split destroy change_exp value msg lore send_msg)],
2218	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2219	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2220	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2221	) {	3361	) {
2222	no strict 'refs';
2223	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2224	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2225	for @funs;	3364	for @funs;
2226	}	3365	}
2227		3366
…		…
2242		3381
2243	my $qcode = $code;	3382	my $qcode = $code;
2244	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2245	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2246		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2247	local $_;	3389	local $_;
2248	local @safe::cf::_safe_eval_args = values %vars;
2249		3390
2250	my $eval =	3391	my $eval =
2251	"do {\n"	3392	"do {\n"
2252	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2253	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2254	. $code	3395	. $code
2255	. "\n}"	3396	. "\n}"
2256	;	3397	;
2257		3398
		3399	if ($CFG{safe_eval}) {
2258	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2259	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2260	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2261		3408
2262	if ($@) {	3409	if ($@) {
2263	warn "$@";	3410	warn "$@",
2264	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2265	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2266	}	3413	}
2267		3414
2268	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2269	}	3416	}
2270		3417
…		…
2284	=cut	3431	=cut
2285		3432
2286	sub register_script_function {	3433	sub register_script_function {
2287	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2288		3435
2289	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2290	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2291	}	3438	}
2292		3439
2293	=back	3440	=back
2294		3441
2295	=cut	3442	=cut
2296
2297	#############################################################################
2298
2299	=head2 EXTENSION DATABASE SUPPORT
2300
2301	Crossfire maintains a very simple database for extension use. It can
2302	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2303	convert to/from binary).
2304
2305	The parameter C<$family> should best start with the name of the extension
2306	using it, it should be unique.
2307
2308	=over 4
2309
2310	=item $value = cf::db_get $family => $key
2311
2312	Returns a single value from the database.
2313
2314	=item cf::db_put $family => $key => $value
2315
2316	Stores the given C<$value> in the family.
2317
2318	=cut
2319
2320	our $DB;
2321
2322	sub db_init {
2323	unless ($DB) {
2324	$DB = BDB::db_create $DB_ENV;
2325
2326	cf::sync_job {
2327	eval {
2328	$DB->set_flags (BDB::CHKSUM);
2329
2330	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2331	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2332	cf::cleanup "db_open(db): $!" if $!;
2333	};
2334	cf::cleanup "db_open(db): $@" if $@;
2335	};
2336	}
2337	}
2338
2339	sub db_get($$) {
2340	my $key = "$_[0]/$_[1]";
2341
2342	cf::sync_job {
2343	BDB::db_get $DB, undef, $key, my $data;
2344
2345	$! ? ()
2346	: $data
2347	}
2348	}
2349
2350	sub db_put($$$) {
2351	BDB::dbreq_pri 4;
2352	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2353	}
2354
2355	=item cf::cache $id => [$paths...], $processversion => $process
2356
2357	Generic caching function that returns the value of the resource $id,
2358	caching and regenerating as required.
2359
2360	This function can block.
2361
2362	=cut
2363
2364	sub cache {
2365	my ($id, $src, $processversion, $process) = @_;
2366
2367	my $meta =
2368	join "\x00",
2369	$processversion,
2370	map {
2371	aio_stat $_
2372	and Carp::croak "$_: $!";
2373
2374	($_, (stat _)[7,9])
2375	} @$src;
2376
2377	my $dbmeta = db_get cache => "$id/meta";
2378	if ($dbmeta ne $meta) {
2379	# changed, we may need to process
2380
2381	my @data;
2382	my $md5;
2383
2384	for (0 .. $#$src) {
2385	0 <= aio_load $src->[$_], $data[$_]
2386	or Carp::croak "$src->[$_]: $!";
2387	}
2388
2389	# if processing is expensive, check
2390	# checksum first
2391	if (1) {
2392	$md5 =
2393	join "\x00",
2394	$processversion,
2395	map {
2396	Coro::cede;
2397	($src->[$_], Digest::MD5::md5_hex $data[$_])
2398	} 0.. $#$src;
2399
2400
2401	my $dbmd5 = db_get cache => "$id/md5";
2402	if ($dbmd5 eq $md5) {
2403	db_put cache => "$id/meta", $meta;
2404
2405	return db_get cache => "$id/data";
2406	}
2407	}
2408
2409	my $t1 = Time::HiRes::time;
2410	my $data = $process->(\@data);
2411	my $t2 = Time::HiRes::time;
2412
2413	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2414
2415	db_put cache => "$id/data", $data;
2416	db_put cache => "$id/md5" , $md5;
2417	db_put cache => "$id/meta", $meta;
2418
2419	return $data;
2420	}
2421
2422	db_get cache => "$id/data"
2423	}
2424
2425	=item fork_call { }, $args
2426
2427	Executes the given code block with the given arguments in a seperate
2428	process, returning the results. Everything must be serialisable with
2429	Coro::Storable. May, of course, block. Note that the executed sub may
2430	never block itself or use any form of Event handling.
2431
2432	=cut
2433
2434	sub fork_call(&@) {
2435	my ($cb, @args) = @_;
2436
2437	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2438	# or die "socketpair: $!";
2439	pipe my $fh1, my $fh2
2440	or die "pipe: $!";
2441
2442	if (my $pid = fork) {
2443	close $fh2;
2444
2445	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2446	$res = Coro::Storable::thaw $res;
2447
2448	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2449
2450	die $$res unless "ARRAY" eq ref $res;
2451
2452	return wantarray ? @$res : $res->[-1];
2453	} else {
2454	reset_signals;
2455	local $SIG{__WARN__};
2456	local $SIG{__DIE__};
2457	eval {
2458	close $fh1;
2459
2460	my @res = eval { $cb->(@args) };
2461	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2462	};
2463
2464	warn $@ if $@;
2465	_exit 0;
2466	}
2467	}
2468
2469
2470		3443
2471	#############################################################################	3444	#############################################################################
2472	# the server's init and main functions	3445	# the server's init and main functions
2473		3446
2474	sub load_facedata($) {	3447	sub load_facedata($) {
2475	my ($path) = @_;	3448	my ($path) = @_;
2476		3449
		3450	# HACK to clear player env face cache, we need some signal framework
		3451	# for this (global event?)
		3452	%ext::player_env::MUSIC_FACE_CACHE = ();
		3453
		3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3455
2477	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
2478		3457
2479	my $facedata;	3458	my $facedata = decode_storable load_file $path;
2480	0 < aio_load $path, $facedata
2481	or die "$path: $!";
2482
2483	$facedata = Coro::Storable::thaw $facedata;
2484		3459
2485	$facedata->{version} == 2	3460	$facedata->{version} == 2
2486	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
2487		3462
		3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3465	$facedata->{resource}{"res/exp_table"} = {
		3466	type => FT_RSRC,
		3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
		3469	};
		3470	cf::cede_to_tick;
		3471
2488	{	3472	{
2489	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
2490		3474
2491	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
2492	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
2493	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3478	cf::face::set_visibility $idx, $info->{visibility};
		3479	cf::face::set_magicmap $idx, $info->{magicmap};
2494	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2495	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2496	Coro::cede;	3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3483
		3484	cf::cede_to_tick;
2497	}	3485	}
2498		3486
2499	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
2500	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
2501	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
2502	or next;	3491	or next;
		3492
2503	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
		3494	cf::face::set_smooth $idx, $smooth;
2504	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2505	} else {	3496	} else {
2506	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
2507	}	3498	}
2508	Coro::cede;	3499
		3500	cf::cede_to_tick;
2509	}	3501	}
2510	}	3502	}
2511		3503
2512	{	3504	{
2513	my $anims = $facedata->{animinfo};	3505	my $anims = $facedata->{animinfo};
2514		3506
2515	while (my ($anim, $info) = each %$anims) {	3507	while (my ($anim, $info) = each %$anims) {
2516	cf::anim::set $anim, $info->{frames}, $info->{facings};	3508	cf::anim::set $anim, $info->{frames}, $info->{facings};
2517	Coro::cede;	3509	cf::cede_to_tick;
2518	}	3510	}
2519		3511
2520	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
2521	}	3513	}
2522		3514
		3515	{
		3516	my $res = $facedata->{resource};
		3517
		3518	while (my ($name, $info) = each %$res) {
		3519	if (defined (my $type = $info->{type})) {
		3520	# TODO: different hash - must free and use new index, or cache ixface data queue
		3521	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3522
		3523	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3524	cf::face::set_type $idx, $type;
		3525	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3526	} else {
		3527	# $RESOURCE{$name} = $info; # unused
		3528	}
		3529
		3530	cf::cede_to_tick;
		3531	}
		3532	}
		3533
		3534	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3535
2523	1	3536	1
2524	}	3537	}
2525		3538
		3539	register_exticmd fx_want => sub {
		3540	my ($ns, $want) = @_;
		3541
		3542	while (my ($k, $v) = each %$want) {
		3543	$ns->fx_want ($k, $v);
		3544	}
		3545	};
		3546
		3547	sub load_resource_file($) {
		3548	my $guard = lock_acquire "load_resource_file";
		3549
		3550	my $status = load_resource_file_ $_[0];
		3551	get_slot 0.1, 100;
		3552	cf::arch::commit_load;
		3553
		3554	$status
		3555	}
		3556
2526	sub reload_regions {	3557	sub reload_regions {
		3558	# HACK to clear player env face cache, we need some signal framework
		3559	# for this (global event?)
		3560	%ext::player_env::MUSIC_FACE_CACHE = ();
		3561
2527	load_resource_file "$MAPDIR/regions"	3562	load_resource_file "$MAPDIR/regions"
2528	or die "unable to load regions file\n";	3563	or die "unable to load regions file\n";
		3564
		3565	for (cf::region::list) {
		3566	$_->{match} = qr/$_->{match}/
		3567	if exists $_->{match};
		3568	}
2529	}	3569	}
2530		3570
2531	sub reload_facedata {	3571	sub reload_facedata {
2532	load_facedata "$DATADIR/facedata"	3572	load_facedata "$DATADIR/facedata"
2533	or die "unable to load facedata\n";	3573	or die "unable to load facedata\n";
…		…
2541	sub reload_treasures {	3581	sub reload_treasures {
2542	load_resource_file "$DATADIR/treasures"	3582	load_resource_file "$DATADIR/treasures"
2543	or die "unable to load treasurelists\n";	3583	or die "unable to load treasurelists\n";
2544	}	3584	}
2545		3585
		3586	sub reload_sound {
		3587	trace "loading sound config from $DATADIR/sound\n";
		3588
		3589	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3590
		3591	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3592	my $sound = $soundconf->{compat}[$_]
		3593	or next;
		3594
		3595	my $face = cf::face::find "sound/$sound->[1]";
		3596	cf::sound::set $sound->[0] => $face;
		3597	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3598	}
		3599
		3600	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3601	my $face = cf::face::find "sound/$v";
		3602	cf::sound::set $k => $face;
		3603	}
		3604	}
		3605
2546	sub reload_resources {	3606	sub reload_resources {
2547	warn "reloading resource files...\n";	3607	trace "reloading resource files...\n";
2548		3608
		3609	reload_exp_table;
		3610	reload_materials;
		3611	reload_facedata;
		3612	reload_sound;
		3613	reload_archetypes;
2549	reload_regions;	3614	reload_regions;
2550	reload_facedata;
2551	reload_archetypes;
2552	reload_treasures;	3615	reload_treasures;
2553		3616
2554	warn "finished reloading resource files\n";	3617	trace "finished reloading resource files\n";
2555	}	3618	}
2556		3619
2557	sub init {	3620	sub reload_config {
2558	reload_resources;	3621	trace "reloading config file...\n";
2559	}
2560		3622
2561	sub cfg_load {	3623	my $config = load_file "$CONFDIR/config";
2562	open my $fh, "<:utf8", "$CONFDIR/config"	3624	utf8::decode $config;
2563	or return;	3625	*CFG = decode_yaml $config;
2564		3626
2565	local $/;
2566	*CFG = YAML::Syck::Load <$fh>;
2567
2568	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3627	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2569		3628
2570	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3629	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2571	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3630	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2572		3631
2573	if (exists $CFG{mlockall}) {	3632	if (exists $CFG{mlockall}) {
…		…
2577	};	3636	};
2578	warn $@ if $@;	3637	warn $@ if $@;
2579	}	3638	}
2580	}	3639	}
2581		3640
		3641	sub pidfile() {
		3642	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3643	or die "$PIDFILE: $!";
		3644	flock $fh, &Fcntl::LOCK_EX
		3645	or die "$PIDFILE: flock: $!";
		3646	$fh
		3647	}
		3648
		3649	# make sure only one server instance is running at any one time
		3650	sub atomic {
		3651	my $fh = pidfile;
		3652
		3653	my $pid = <$fh>;
		3654	kill 9, $pid if $pid > 0;
		3655
		3656	seek $fh, 0, 0;
		3657	print $fh $$;
		3658	}
		3659
		3660	sub main_loop {
		3661	trace "EV::loop starting\n";
		3662	if (1) {
		3663	EV::loop;
		3664	}
		3665	trace "EV::loop returned\n";
		3666	goto &main_loop unless $REALLY_UNLOOP;
		3667	}
		3668
2582	sub main {	3669	sub main {
		3670	cf::init_globals; # initialise logging
		3671
		3672	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3673	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3674	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3675	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3676
		3677	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3678
2583	# we must not ever block the main coroutine	3679	# we must not ever block the main coroutine
2584	local $Coro::idle = sub {	3680	local $Coro::idle = sub {
2585	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3681	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2586	(async {	3682	(async {
2587	Event::one_event;	3683	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3684	EV::loop EV::LOOP_ONESHOT;
2588	})->prio (Coro::PRIO_MAX);	3685	})->prio (Coro::PRIO_MAX);
2589	};	3686	};
2590		3687
2591	cfg_load;	3688	evthread_start IO::AIO::poll_fileno;
		3689
		3690	cf::sync_job {
		3691	cf::incloader::init ();
		3692
		3693	cf::init_anim;
		3694	cf::init_attackmess;
		3695	cf::init_dynamic;
		3696
		3697	cf::load_settings;
		3698
		3699	reload_resources;
		3700	reload_config;
2592	db_init;	3701	db_init;
		3702
		3703	cf::init_uuid;
		3704	cf::init_signals;
		3705	cf::init_skills;
		3706
		3707	cf::init_beforeplay;
		3708
		3709	atomic;
		3710
2593	load_extensions;	3711	load_extensions;
2594		3712
2595	$TICK_WATCHER->start;	3713	utime time, time, $RUNTIMEFILE;
2596	Event::loop;	3714
		3715	# no (long-running) fork's whatsoever before this point(!)
		3716	use POSIX ();
		3717	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3718
		3719	cf::_post_init 0;
		3720	};
		3721
		3722	cf::object::thawer::errors_are_fatal 0;
		3723	info "parse errors in files are no longer fatal from this point on.\n";
		3724
		3725	AE::postpone {
		3726	undef &main; # free gobs of memory :)
		3727	};
		3728
		3729	goto &main_loop;
2597	}	3730	}
2598		3731
2599	#############################################################################	3732	#############################################################################
2600	# initialisation and cleanup	3733	# initialisation and cleanup
2601		3734
2602	# install some emergency cleanup handlers	3735	# install some emergency cleanup handlers
2603	BEGIN {	3736	BEGIN {
		3737	our %SIGWATCHER = ();
2604	for my $signal (qw(INT HUP TERM)) {	3738	for my $signal (qw(INT HUP TERM)) {
2605	Event->signal (	3739	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2606	reentrant => 0,
2607	data => WF_AUTOCANCEL,
2608	signal => $signal,
2609	prio => 0,
2610	cb => sub {
2611	cf::cleanup "SIG$signal";	3740	cf::cleanup "SIG$signal";
2612	},
2613	);	3741	};
		3742	}
		3743	}
		3744
		3745	sub write_runtime_sync {
		3746	my $t0 = AE::time;
		3747
		3748	# first touch the runtime file to show we are still running:
		3749	# the fsync below can take a very very long time.
		3750
		3751	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3752
		3753	my $guard = cf::lock_acquire "write_runtime";
		3754
		3755	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3756	or return;
		3757
		3758	my $value = $cf::RUNTIME + 90 + 10;
		3759	# 10 is the runtime save interval, for a monotonic clock
		3760	# 60 allows for the watchdog to kill the server.
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	# touch it again to show we are up-to-date
		3770	aio_utime $fh, undef, undef;
		3771
		3772	close $fh
		3773	or return;
		3774
		3775	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3776	and return;
		3777
		3778	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3779
2614	}	3780	1
		3781	}
		3782
		3783	our $uuid_lock;
		3784	our $uuid_skip;
		3785
		3786	sub write_uuid_sync($) {
		3787	$uuid_skip ||= $_[0];
		3788
		3789	return if $uuid_lock;
		3790	local $uuid_lock = 1;
		3791
		3792	my $uuid = "$LOCALDIR/uuid";
		3793
		3794	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3795	or return;
		3796
		3797	my $value = uuid_seq uuid_cur;
		3798
		3799	unless ($value) {
		3800	info "cowardly refusing to write zero uuid value!\n";
		3801	return;
		3802	}
		3803
		3804	my $value = uuid_str $value + $uuid_skip;
		3805	$uuid_skip = 0;
		3806
		3807	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3808	and return;
		3809
		3810	# always fsync - this file is important
		3811	aio_fsync $fh
		3812	and return;
		3813
		3814	close $fh
		3815	or return;
		3816
		3817	aio_rename "$uuid~", $uuid
		3818	and return;
		3819
		3820	trace "uuid file written ($value).\n";
		3821
		3822	1
		3823
		3824	}
		3825
		3826	sub write_uuid($$) {
		3827	my ($skip, $sync) = @_;
		3828
		3829	$sync ? write_uuid_sync $skip
		3830	: async { write_uuid_sync $skip };
2615	}	3831	}
2616		3832
2617	sub emergency_save() {	3833	sub emergency_save() {
2618	my $freeze_guard = cf::freeze_mainloop;	3834	my $freeze_guard = cf::freeze_mainloop;
2619		3835
2620	warn "enter emergency perl save\n";	3836	info "emergency_perl_save: enter\n";
		3837
		3838	# this is a trade-off: we want to be very quick here, so
		3839	# save all maps without fsync, and later call a global sync
		3840	# (which in turn might be very very slow)
		3841	local $USE_FSYNC = 0;
2621		3842
2622	cf::sync_job {	3843	cf::sync_job {
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
2623	# use a peculiar iteration method to avoid tripping on perl	3846	# use a peculiar iteration method to avoid tripping on perl
2624	# refcount bugs in for. also avoids problems with players	3847	# refcount bugs in for. also avoids problems with players
2625	# and maps saved/destroyed asynchronously.	3848	# and maps saved/destroyed asynchronously.
2626	warn "begin emergency player save\n";	3849	info "emergency_perl_save: begin player save\n";
2627	for my $login (keys %cf::PLAYER) {	3850	for my $login (keys %cf::PLAYER) {
2628	my $pl = $cf::PLAYER{$login} or next;	3851	my $pl = $cf::PLAYER{$login} or next;
2629	$pl->valid or next;	3852	$pl->valid or next;
		3853	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2630	$pl->save;	3854	$pl->save;
2631	}	3855	}
2632	warn "end emergency player save\n";	3856	info "emergency_perl_save: end player save\n";
2633		3857
2634	warn "begin emergency map save\n";	3858	cf::write_runtime_sync; # external watchdog should not bark
		3859
		3860	info "emergency_perl_save: begin map save\n";
2635	for my $path (keys %cf::MAP) {	3861	for my $path (keys %cf::MAP) {
2636	my $map = $cf::MAP{$path} or next;	3862	my $map = $cf::MAP{$path} or next;
2637	$map->valid or next;	3863	$map->valid or next;
2638	$map->save;	3864	$map->save;
2639	}	3865	}
2640	warn "end emergency map save\n";	3866	info "emergency_perl_save: end map save\n";
2641		3867
2642	warn "begin emergency database checkpoint\n";	3868	cf::write_runtime_sync; # external watchdog should not bark
		3869
		3870	info "emergency_perl_save: begin database checkpoint\n";
2643	BDB::db_env_txn_checkpoint $DB_ENV;	3871	BDB::db_env_txn_checkpoint $DB_ENV;
2644	warn "end emergency database checkpoint\n";	3872	info "emergency_perl_save: end database checkpoint\n";
		3873
		3874	info "emergency_perl_save: begin write uuid\n";
		3875	write_uuid_sync 1;
		3876	info "emergency_perl_save: end write uuid\n";
		3877
		3878	cf::write_runtime_sync; # external watchdog should not bark
		3879
		3880	trace "emergency_perl_save: syncing database to disk";
		3881	BDB::db_env_txn_checkpoint $DB_ENV;
		3882
		3883	info "emergency_perl_save: starting sync\n";
		3884	IO::AIO::aio_sync sub {
		3885	info "emergency_perl_save: finished sync\n";
		3886	};
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
		3889
		3890	trace "emergency_perl_save: flushing outstanding aio requests";
		3891	while (IO::AIO::nreqs || BDB::nreqs) {
		3892	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3893	}
		3894
		3895	cf::write_runtime_sync; # external watchdog should not bark
2645	};	3896	};
2646		3897
2647	warn "leave emergency perl save\n";	3898	info "emergency_perl_save: leave\n";
2648	}	3899	}
2649		3900
2650	sub post_cleanup {	3901	sub post_cleanup {
2651	my ($make_core) = @_;	3902	my ($make_core) = @_;
2652		3903
		3904	IO::AIO::flush;
		3905
2653	warn Carp::longmess "post_cleanup backtrace"	3906	error Carp::longmess "post_cleanup backtrace"
2654	if $make_core;	3907	if $make_core;
		3908
		3909	my $fh = pidfile;
		3910	unlink $PIDFILE if <$fh> == $$;
		3911	}
		3912
		3913	# a safer delete_package, copied from Symbol
		3914	sub clear_package($) {
		3915	my $pkg = shift;
		3916
		3917	# expand to full symbol table name if needed
		3918	unless ($pkg =~ /^main::.*::$/) {
		3919	$pkg = "main$pkg" if $pkg =~ /^::/;
		3920	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3921	$pkg .= '::' unless $pkg =~ /::$/;
		3922	}
		3923
		3924	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3925	my $stem_symtab = *{$stem}{HASH};
		3926
		3927	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3928	or return;
		3929
		3930	# clear all symbols
		3931	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3932	for my $name (keys %$leaf_symtab) {
		3933	_gv_clear *{"$pkg$name"};
		3934	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3935	}
2655	}	3936	}
2656		3937
2657	sub do_reload_perl() {	3938	sub do_reload_perl() {
2658	# can/must only be called in main	3939	# can/must only be called in main
2659	if ($Coro::current != $Coro::main) {	3940	unless (in_main) {
2660	warn "can only reload from main coroutine";	3941	error "can only reload from main coroutine";
2661	return;	3942	return;
2662	}	3943	}
2663		3944
2664	warn "reloading...";	3945	return if $RELOAD++;
2665		3946
2666	warn "entering sync_job";	3947	my $t1 = AE::time;
2667		3948
		3949	while ($RELOAD) {
		3950	cf::get_slot 0.1, -1, "reload_perl";
		3951	info "perl_reload: reloading...";
		3952
		3953	trace "perl_reload: entering sync_job";
		3954
2668	cf::sync_job {	3955	cf::sync_job {
2669	cf::write_runtime; # external watchdog should not bark
2670	cf::emergency_save;	3956	#cf::emergency_save;
2671	cf::write_runtime; # external watchdog should not bark
2672		3957
2673	warn "syncing database to disk";
2674	BDB::db_env_txn_checkpoint $DB_ENV;
2675
2676	# if anything goes wrong in here, we should simply crash as we already saved
2677
2678	warn "cancelling all WF_AUTOCANCEL watchers";
2679	for (Event::all_watchers) {
2680	$_->cancel if $_->data & WF_AUTOCANCEL;
2681	}
2682
2683	warn "flushing outstanding aio requests";
2684	for (;;) {
2685	BDB::flush;
2686	IO::AIO::flush;
2687	Coro::cede;
2688	last unless IO::AIO::nreqs || BDB::nreqs;
2689	warn "iterate...";
2690	}
2691
2692	++$RELOAD;
2693
2694	warn "cancelling all extension coros";	3958	trace "perl_reload: cancelling all extension coros";
2695	$_->cancel for values %EXT_CORO;	3959	$_->cancel for values %EXT_CORO;
2696	%EXT_CORO = ();	3960	%EXT_CORO = ();
2697		3961
2698	warn "removing commands";	3962	trace "perl_reload: removing commands";
2699	%COMMAND = ();	3963	%COMMAND = ();
2700		3964
2701	warn "removing ext commands";	3965	trace "perl_reload: removing ext/exti commands";
2702	%EXTCMD = ();	3966	%EXTCMD = ();
		3967	%EXTICMD = ();
2703		3968
2704	warn "unloading/nuking all extensions";	3969	trace "perl_reload: unloading/nuking all extensions";
2705	for my $pkg (@EXTS) {	3970	for my $pkg (@EXTS) {
2706	warn "... unloading $pkg";	3971	trace "... unloading $pkg";
2707		3972
2708	if (my $cb = $pkg->can ("unload")) {	3973	if (my $cb = $pkg->can ("unload")) {
2709	eval {	3974	eval {
2710	$cb->($pkg);	3975	$cb->($pkg);
2711	1	3976	1
2712	} or warn "$pkg unloaded, but with errors: $@";	3977	} or error "$pkg unloaded, but with errors: $@";
		3978	}
		3979
		3980	trace "... clearing $pkg";
		3981	clear_package $pkg;
2713	}	3982	}
2714		3983
2715	warn "... nuking $pkg";
2716	Symbol::delete_package $pkg;
2717	}
2718
2719	warn "unloading all perl modules loaded from $LIBDIR";	3984	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2720	while (my ($k, $v) = each %INC) {	3985	while (my ($k, $v) = each %INC) {
2721	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3986	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2722		3987
2723	warn "... unloading $k";	3988	trace "... unloading $k";
2724	delete $INC{$k};	3989	delete $INC{$k};
2725		3990
2726	$k =~ s/\.pm$//;	3991	$k =~ s/\.pm$//;
2727	$k =~ s/\//::/g;	3992	$k =~ s/\//::/g;
2728		3993
2729	if (my $cb = $k->can ("unload_module")) {	3994	if (my $cb = $k->can ("unload_module")) {
2730	$cb->();	3995	$cb->();
		3996	}
		3997
		3998	clear_package $k;
2731	}	3999	}
2732		4000
2733	Symbol::delete_package $k;
2734	}
2735
2736	warn "getting rid of safe::, as good as possible";	4001	trace "perl_reload: getting rid of safe::, as good as possible";
2737	Symbol::delete_package "safe::$_"	4002	clear_package "safe::$_"
2738	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4003	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2739		4004
2740	warn "unloading cf.pm \"a bit\"";	4005	trace "perl_reload: unloading cf.pm \"a bit\"";
2741	delete $INC{"cf.pm"};	4006	delete $INC{"cf.pm"};
2742	delete $INC{"cf/pod.pm"};	4007	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2743		4008
2744	# don't, removes xs symbols, too,	4009	# don't, removes xs symbols, too,
2745	# and global variables created in xs	4010	# and global variables created in xs
2746	#Symbol::delete_package __PACKAGE__;	4011	#clear_package __PACKAGE__;
2747		4012
2748	warn "unload completed, starting to reload now";	4013	info "perl_reload: unload completed, starting to reload now";
2749		4014
2750	warn "reloading cf.pm";	4015	trace "perl_reload: reloading cf.pm";
2751	require cf;	4016	require cf;
2752	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4017	cf::_connect_to_perl_1;
2753		4018
2754	warn "loading config and database again";	4019	trace "perl_reload: loading config and database again";
2755	cf::cfg_load;	4020	cf::reload_config;
2756		4021
2757	warn "loading extensions";	4022	trace "perl_reload: loading extensions";
2758	cf::load_extensions;	4023	cf::load_extensions;
2759		4024
		4025	if ($REATTACH_ON_RELOAD) {
2760	warn "reattaching attachments to objects/players";	4026	trace "perl_reload: reattaching attachments to objects/players";
2761	_global_reattach; # objects, sockets	4027	_global_reattach; # objects, sockets
2762	warn "reattaching attachments to maps";	4028	trace "perl_reload: reattaching attachments to maps";
2763	reattach $_ for values %MAP;	4029	reattach $_ for values %MAP;
2764	warn "reattaching attachments to players";	4030	trace "perl_reload: reattaching attachments to players";
2765	reattach $_ for values %PLAYER;	4031	reattach $_ for values %PLAYER;
		4032	}
2766		4033
2767	warn "leaving sync_job";	4034	cf::_post_init 1;
2768		4035
		4036	trace "perl_reload: leaving sync_job";
		4037
2769	1	4038	1
2770	} or do {	4039	} or do {
2771	warn $@;	4040	error $@;
2772	warn "error while reloading, exiting.";	4041	cf::cleanup "perl_reload: error, exiting.";
2773	exit 1;	4042	};
		4043
		4044	--$RELOAD;
2774	};	4045	}
2775		4046
2776	warn "reloaded";	4047	$t1 = AE::time - $t1;
		4048	info "perl_reload: completed in ${t1}s\n";
2777	};	4049	};
2778		4050
2779	our $RELOAD_WATCHER; # used only during reload	4051	our $RELOAD_WATCHER; # used only during reload
2780		4052
2781	sub reload_perl() {	4053	sub reload_perl() {
2782	# doing reload synchronously and two reloads happen back-to-back,	4054	# doing reload synchronously and two reloads happen back-to-back,
2783	# coro crashes during coro_state_free->destroy here.	4055	# coro crashes during coro_state_free->destroy here.
2784		4056
2785	$RELOAD_WATCHER ||= Event->timer (	4057	$RELOAD_WATCHER ||= cf::async {
2786	reentrant => 0,	4058	Coro::AIO::aio_wait cache_extensions;
2787	after => 0,	4059
2788	data => WF_AUTOCANCEL,	4060	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2789	cb => sub {
2790	do_reload_perl;	4061	do_reload_perl;
2791	undef $RELOAD_WATCHER;	4062	undef $RELOAD_WATCHER;
2792	},	4063	};
2793	);	4064	};
2794	}	4065	}
2795		4066
2796	register_command "reload" => sub {	4067	register_command "reload" => sub {
2797	my ($who, $arg) = @_;	4068	my ($who, $arg) = @_;
2798		4069
2799	if ($who->flag (FLAG_WIZ)) {	4070	if ($who->flag (FLAG_WIZ)) {
2800	$who->message ("reloading server.");	4071	$who->message ("reloading server.");
		4072	async {
		4073	$Coro::current->{desc} = "perl_reload";
2801	async { reload_perl };	4074	reload_perl;
		4075	};
2802	}	4076	}
2803	};	4077	};
2804		4078
2805	unshift @INC, $LIBDIR;	4079	#############################################################################
2806		4080
2807	my $bug_warning = 0;	4081	my $bug_warning = 0;
2808		4082
2809	our @WAIT_FOR_TICK;
2810	our @WAIT_FOR_TICK_BEGIN;
2811
2812	sub wait_for_tick {	4083	sub wait_for_tick() {
2813	return unless $TICK_WATCHER->is_active;	4084	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2814	return if $Coro::current == $Coro::main;
2815		4085
2816	my $signal = new Coro::Signal;	4086	$WAIT_FOR_TICK->wait;
2817	push @WAIT_FOR_TICK, $signal;
2818	$signal->wait;
2819	}	4087	}
2820		4088
2821	sub wait_for_tick_begin {	4089	sub wait_for_tick_begin() {
2822	return unless $TICK_WATCHER->is_active;	4090	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2823	return if $Coro::current == $Coro::main;
2824		4091
2825	my $signal = new Coro::Signal;	4092	my $signal = new Coro::Signal;
2826	push @WAIT_FOR_TICK_BEGIN, $signal;	4093	push @WAIT_FOR_TICK_BEGIN, $signal;
2827	$signal->wait;	4094	$signal->wait;
2828	}	4095	}
2829		4096
2830	$TICK_WATCHER = Event->timer (	4097	sub tick {
2831	reentrant => 0,
2832	parked => 1,
2833	prio => 0,
2834	at => $NEXT_TICK || $TICK,
2835	data => WF_AUTOCANCEL,
2836	cb => sub {
2837	if ($Coro::current != $Coro::main) {	4098	if ($Coro::current != $Coro::main) {
2838	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4099	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2839	unless ++$bug_warning > 10;	4100	unless ++$bug_warning > 10;
2840	return;	4101	return;
2841	}	4102	}
2842		4103
2843	$NOW = Event::time;	4104	cf::one_tick; # one server iteration
2844		4105
2845	cf::server_tick; # one server iteration	4106	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2846		4107
2847	$RUNTIME += $TICK;
2848	$NEXT_TICK += $TICK;
2849
2850	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4108	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2851	$NEXT_RUNTIME_WRITE = $NOW + 10;	4109	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2852	Coro::async_pool {	4110	Coro::async_pool {
		4111	$Coro::current->{desc} = "runtime saver";
2853	write_runtime	4112	write_runtime_sync
2854	or warn "ERROR: unable to write runtime file: $!";	4113	or error "ERROR: unable to write runtime file: $!";
2855	};
2856	}	4114	};
		4115	}
2857		4116
2858	# my $AFTER = Event::time;
2859	# warn $AFTER - $NOW;#d#
2860
2861	# if we are delayed by four ticks or more, skip them all
2862	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2863
2864	$TICK_WATCHER->at ($NEXT_TICK);
2865	$TICK_WATCHER->start;
2866
2867	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4117	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2868	$sig->send;	4118	$sig->send;
2869	}
2870	while (my $sig = shift @WAIT_FOR_TICK) {
2871	$sig->send;
2872	}
2873
2874	_post_tick;
2875	},	4119	}
2876	);	4120	$WAIT_FOR_TICK->broadcast;
		4121
		4122	$LOAD = ($NOW - $TICK_START) / $TICK;
		4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4124
		4125	if (0) {
		4126	if ($NEXT_TICK) {
		4127	my $jitter = $TICK_START - $NEXT_TICK;
		4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4129	debug "jitter $JITTER\n";#d#
		4130	}
		4131	}
		4132	}
2877		4133
2878	{	4134	{
2879	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
2880	$BDB_POLL_WATCHER = Event->io (	4136
2881	reentrant => 0,
2882	fd => BDB::poll_fileno,
2883	poll => 'r',
2884	prio => 0,
2885	data => WF_AUTOCANCEL,
2886	cb => \&BDB::poll_cb,
2887	);
2888	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
2889		4138	BDB::max_poll_reqs $TICK * 0.1;
2890	BDB::set_sync_prepare {	4139	#$AnyEvent::BDB::WATCHER->priority (1);
2891	my $status;
2892	my $current = $Coro::current;
2893	(
2894	sub {
2895	$status = $!;
2896	$current->ready; undef $current;
2897	},
2898	sub {
2899	Coro::schedule while defined $current;
2900	$! = $status;
2901	},
2902	)
2903	};
2904		4140
2905	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
2906	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2907		4148
2908	cf::sync_job {	4149	cf::sync_job {
2909	eval {	4150	eval {
2910	BDB::db_env_open	4151	BDB::db_env_open
2911	$DB_ENV,	4152	$DB_ENV,
…		…
2913	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2914	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2915	0666;	4156	0666;
2916		4157
2917	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2918
2919	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2920	$DB_ENV->set_lk_detect;
2921	};	4159	};
2922		4160
2923	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
2924	};	4162	};
2925	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
2926	}	4174	}
2927		4175
2928	{	4176	{
		4177	# configure IO::AIO
		4178
2929	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
2930
2931	undef $Coro::AIO::WATCHER;
2932	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
2933	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
2934	reentrant => 0,
2935	data => WF_AUTOCANCEL,
2936	fd => IO::AIO::poll_fileno,
2937	poll => 'r',
2938	prio => 6,
2939	cb => \&IO::AIO::poll_cb,
2940	);
2941	}	4182	}
2942		4183
2943	my $_log_backtrace;	4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
2944		4186
2945	sub _log_backtrace {	4187	sub _log_backtrace {
2946	my ($msg, @addr) = @_;	4188	my ($msg, @addr) = @_;
2947		4189
2948	$msg =~ s/\n//;	4190	$msg =~ s/\n$//;
2949		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2950	# limit the # of concurrent backtraces	4195	# limit the # of concurrent backtraces
2951	if ($_log_backtrace < 2) {	4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
2952	++$_log_backtrace;	4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
2953	async {	4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
2954	my @bt = fork_call {	4203	my @bt = fork_call {
2955	@addr = map { sprintf "%x", $_ } @addr;	4204	@addr = map { sprintf "%x", $_ } @addr;
2956	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2957	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2958	or die "addr2line: $!";	4207	or die "addr2line: $!";
…		…
2966	}	4215	}
2967		4216
2968	@funcs	4217	@funcs
2969	};	4218	};
2970		4219
2971	LOG llevInfo, "[ABT] $msg\n";	4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2972	LOG llevInfo, "[ABT] $_\n" for @bt;	4222	LOG llevInfo, "[ABT] $_\n" for @bt;
2973	--$_log_backtrace;	4223	--$_log_backtrace;
2974	};	4224	};
2975	} else {	4225	} else {
2976	LOG llevInfo, "[ABT] $msg\n";	4226	LOG llevInfo, "[ABT] $msg\n";
2977	LOG llevInfo, "[ABT] [suppressed]\n";	4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2978	}	4228	}
2979	}	4229	}
2980		4230
2981	# load additional modules	4231	# load additional modules
2982	use cf::pod;	4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
2983		4234
2984	END { cf::emergency_save }	4235	END { cf::emergency_save }
2985		4236
2986	1	4237	1
2987		4238

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