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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.222 by root, Tue Mar 6 03:06:00 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.5 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
		53	use JSON::XS 2.01 ();
20	use BDB ();	54	use BDB ();
21	use Data::Dumper;	55	use Data::Dumper;
22	use Digest::MD5;
23	use Fcntl;	56	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
26	use Time::HiRes;	59	use Time::HiRes;
27	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
28		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	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
30		75
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		80
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		82
40	our %COMMAND = ();	83	our %COMMAND = ();
41	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
42		85
43	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
47		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	93	our @EVENT;
49	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
50		96
51	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	98
53	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	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;
56	our $NOW;	138	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		139
59	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
60	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
61
62	our %CFG;
63
64	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;
66
67	our %PLAYER; # all users
68	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		143
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
79	binmode STDOUT;	160	binmode STDOUT;
80	binmode STDERR;	161	binmode STDERR;
81		162
82	# read virtual server time, if available	163	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
87	}	168	}
88		169
89	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
90	mkdir cf::localdir . "/" . cf::playerdir;	171
91	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
92	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		174
96	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
97		176
98	sub cf::map::normalise;	177	sub cf::map::normalise;
99		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
100	#############################################################################	183	#############################################################################
101		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
102	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
103		197
104	=over 4	198	=over 4
105		199
106	=item $cf::UPTIME	200	=item $cf::UPTIME
107		201
108	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.
109		218
110	=item $cf::RUNTIME	219	=item $cf::RUNTIME
111		220
112	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
113	every server tick.	222	every server tick.
114		223
115	=item $cf::LIBDIR	224	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		225	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		226	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		227
117	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		230	unique-items directory, player file directory, random maps directory and
		231	database environment.
119		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
120	=item $cf::NOW	239	=item $cf::LOAD
121		240
122	The time of the last (current) server tick.	241	The raw value load value from the last tick.
123
124	=item $cf::TICK
125
126	The interval between server ticks, in seconds.
127		242
128	=item %cf::CFG	243	=item %cf::CFG
129		244
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	246	from wherever your confdir points to.
132		247
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		249
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
137	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
139		282
140	=back	283	=back
141		284
142	=cut	285	=cut
143		286
144	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
145	*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 {
146	my $msg = join "", @_;	294	my $msg = join "", @_;
147	utf8::encode $msg;
148		295
149	$msg .= "\n"	296	$msg .= "\n"
150	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
151		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
152	LOG llevError, $msg;	301	LOG llevWarn, $msg;
153	};	302	};
154	}	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	};
155		317
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		325
163	# 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
164	# within the Safe compartment.	327	# within the Safe compartment.
165	for my $pkg (qw(	328	for my $pkg (qw(
166	cf::global cf::attachable	329	cf::global cf::attachable
167	cf::object cf::object::player	330	cf::object cf::object::player
168	cf::client cf::player	331	cf::client cf::player
169	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
170	cf::map cf::party cf::region	334	cf::party cf::region
171	)) {	335	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	337	}
175		338
176	$Event::DIED = sub {	339	$EV::DIED = sub {
177	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
178	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
179		349
180	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
181		351
182	=over 4	352	=over 4
183		353
…		…
202	$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;
203	$d	373	$d
204	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
205	}	375	}
206		376
207	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
208		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
209	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
210		392
211	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
212		394
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
221		396
222	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
223		398
224	=cut	399	=cut
225		400
226	sub to_json($) {	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	402
228	JSON::Syck::Dump $_[0]	403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
229	}	466	}
230		467
231	=item cf::lock_wait $string	468	=item cf::lock_wait $string
232		469
233	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
234		471
235	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
236		473
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
240	returned.	477	returned.
241		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
242	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
243	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
244		484
245	=cut	485	=item $locked = cf::lock_active $string
246		486
247	our %LOCK;	487	Return true if the lock is currently active, i.e. somebody has locked it.
		488
		489	=cut
		490
		491	our $LOCKS = new Coro::SemaphoreSet;
248		492
249	sub lock_wait($) {	493	sub lock_wait($) {
250	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
251
252	# wait for lock, if any
253	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;
256	}
257	}	495	}
258		496
259	sub lock_acquire($) {	497	sub lock_acquire($) {
260	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
261		500
262	# wait, to be sure we are not locked	501	sub lock_active($) {
263	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
264
265	$LOCK{$key} = [];
266
267	Coro::guard {
268	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };
270	}
271	}	503	}
272		504
273	sub freeze_mainloop {	505	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
275		507
276	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
277	$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	}
278	};	578	}
279	$TICK_WATCHER->stop;	579	};
280	$guard	580
		581	sub get_slot($;$$) {
		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;
281	}	594	}
282		595
283	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
284		597
285	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		603
291	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
292		605
293	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
294		607
295	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
296	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
297	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.
298		612
299	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
300	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
301	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
302	fast or be very important.	616	fast or be very important.
…		…
304	=cut	618	=cut
305		619
306	sub sync_job(&) {	620	sub sync_job(&) {
307	my ($job) = @_;	621	my ($job) = @_;
308		622
309	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
310	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
312		628
313	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	630
315	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
316		632
317	my $busy = 1;	633	my $busy = 1;
318	my @res;	634	my @res;
319		635
320	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	638	@res = eval { $job->() };
322	warn $@ if $@;	639	error $@ if $@;
323	undef $busy;	640	undef $busy;
324	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
325		642
326	while ($busy) {	643	while ($busy) {
327	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
328	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
329		654
330	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
331	} else {	656	} else {
332	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
333		658
…		…
353	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
354		679
355	$coro	680	$coro
356	}	681	}
357		682
358	sub write_runtime {	683	=item fork_call { }, @args
359	my $guard = cf::lock_acquire "write_runtime";
360		684
361	my $runtime = cf::localdir . "/runtime";	685	Executes the given code block with the given arguments in a seperate
		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.
362		689
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	=cut
364	or return;
365		691
366	my $value = $cf::RUNTIME + 90 + 10;	692	sub post_fork {
367	# 10 is the runtime save interval, for a monotonic clock	693	reset_signals;
368	# 60 allows for the watchdog to kill the server.	694	}
369		695
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	696	sub fork_call(&@) {
371	and return;	697	my ($cb, @args) = @_;
372		698
373	# always fsync - this file is important	699	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	700	# otherwise perl prematurely frees the stuff :/
375	and return;	701	# TODO: investigate and fix (likely this will be rather laborious)
376		702
377	close $fh	703	my @res = Coro::Util::fork_eval {
378	or return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
379		707
380	aio_rename "$runtime~", $runtime	708	wantarray ? @res : $res[-1]
381	and return;	709	}
382		710
		711	sub objinfo {
383	1	712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
		747	}
		748
		749	=item $value = cf::db_get $family => $key
		750
		751	Returns a single value from the environment database.
		752
		753	=item cf::db_put $family => $key => $value
		754
		755	Stores the given C<$value> in the family. It can currently store binary
		756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
		763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
		784
		785	our $DB;
		786
		787	sub db_init {
		788	$DB ||= db_table "db";
		789	}
		790
		791	sub db_get($$) {
		792	my $key = "$_[0]/$_[1]";
		793
		794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
		797	BDB::db_get $DB, undef, $key, my $data;
		798
		799	$! ? ()
		800	: $data
		801	}
		802
		803	sub db_put($$$) {
		804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
		807
		808	=item cf::cache $id => [$paths...], $processversion => $process
		809
		810	Generic caching function that returns the value of the resource $id,
		811	caching and regenerating as required.
		812
		813	This function can block.
		814
		815	=cut
		816
		817	sub cache {
		818	my ($id, $src, $processversion, $process) = @_;
		819
		820	my $meta =
		821	join "\x00",
		822	$processversion,
		823	map {
		824	aio_stat $_
		825	and Carp::croak "$_: $!";
		826
		827	($_, (stat _)[7,9])
		828	} @$src;
		829
		830	my $dbmeta = db_get cache => "$id/meta";
		831	if ($dbmeta ne $meta) {
		832	# changed, we may need to process
		833
		834	my @data;
		835	my $md5;
		836
		837	for (0 .. $#$src) {
		838	$data[$_] = load_file $src->[$_];
		839	}
		840
		841	# if processing is expensive, check
		842	# checksum first
		843	if (1) {
		844	$md5 =
		845	join "\x00",
		846	$processversion,
		847	map {
		848	cf::cede_to_tick;
		849	($src->[$_], Digest::MD5::md5_hex $data[$_])
		850	} 0.. $#$src;
		851
		852
		853	my $dbmd5 = db_get cache => "$id/md5";
		854	if ($dbmd5 eq $md5) {
		855	db_put cache => "$id/meta", $meta;
		856
		857	return db_get cache => "$id/data";
		858	}
		859	}
		860
		861	my $t1 = Time::HiRes::time;
		862	my $data = $process->(\@data);
		863	my $t2 = Time::HiRes::time;
		864
		865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		866
		867	db_put cache => "$id/data", $data;
		868	db_put cache => "$id/md5" , $md5;
		869	db_put cache => "$id/meta", $meta;
		870
		871	return $data;
		872	}
		873
		874	db_get cache => "$id/data"
		875	}
		876
		877	=item cf::datalog type => key => value, ...
		878
		879	Log a datalog packet of the given type with the given key-value pairs.
		880
		881	=cut
		882
		883	sub datalog($@) {
		884	my ($type, %kv) = @_;
		885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	886	}
385		887
386	=back	888	=back
387		889
388	=cut	890	=cut
389		891
390	#############################################################################	892	#############################################################################
391		893
392	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
393		895
394	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
395	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")
396	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
397		899
398	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>
399	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
400	crossfire+).	902	Deliantra).
401		903
402	=over 4	904	=over 4
403		905
404	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
405		907
…		…
449	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
450		952
451	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
452	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
453		955
454	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
455	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.
456		958
457	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
458		960
459	=over 4	961	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
569		1071
570	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		1076
575	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
577		1079
578	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
583		1085
584	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
585	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
586		1088
587	} elsif (ref $type) {	1089	} elsif (ref $type) {
588	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
589		1091
590	} else {	1092	} else {
591	shift @arg;	1093	shift @arg;
592	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
593	}	1095	}
594	}	1096	}
595	}	1097	}
596		1098
597	sub _object_attach {	1099	sub _object_attach {
…		…
607	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
608	}	1110	}
609		1111
610	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
611	} else {	1113	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
613	}	1115	}
614		1116
615	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
616	}	1118	}
617		1119
…		…
619	if (ref $_[0]) {	1121	if (ref $_[0]) {
620	_object_attach @_;	1122	_object_attach @_;
621	} else {	1123	} else {
622	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
623	}	1125	}
		1126	_recalc_want;
624	};	1127	};
625		1128
626	# all those should be optimised	1129	# all those should be optimised
627	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
632	reattach ($obj);	1135	reattach ($obj);
633	} else {	1136	} else {
634	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
635	}	1138	}
		1139	_recalc_want;
636	};	1140	};
637		1141
638	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
640		1144
…		…
655	";	1159	";
656	die if $@;	1160	die if $@;
657	}	1161	}
658		1162
659	our $override;	1163	our $override;
660	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?
661		1165
662	sub override {	1166	sub override {
663	$override = 1;	1167	$override = 1;
664	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
665	}	1169	}
666		1170
667	sub do_invoke {	1171	sub do_invoke {
668	my $event = shift;	1172	my $event = shift;
669	my $callbacks = shift;	1173	my $callbacks = shift;
670		1174
671	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
672		1176
673	local $override;	1177	local $override;
674		1178
675	for (@$callbacks) {	1179	for (@$callbacks) {
676	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
677		1181
678	if ($@) {	1182	if ($@) {
679	warn "$@";
680	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
681	override;	1184	override;
682	}	1185	}
683		1186
684	return 1 if $override;	1187	return 1 if $override;
685	}	1188	}
686		1189
687	0	1190	0
688	}	1191	}
689		1192
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1194
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1196
694	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
695		1198
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1202
700	=back	1203	=back
701		1204
702	=cut	1205	=cut
703		1206
704	#############################################################################	1207	#############################################################################
705	# 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	}
706		1251
707	sub reattach {	1252	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1254	my ($obj) = @_;
710		1255
		1256	# no longer needed after getting rid of delete_package?
711	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
712		1258
713	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
714		1260
715	@$registry = ();	1261	@$registry = ();
716		1262
…		…
721	for (@$attach) {	1267	for (@$attach) {
722	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
723	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
724	}	1270	}
725	} else {	1271	} else {
726	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
727	}	1273	}
728	}	1274	}
729	}	1275	}
730		1276
731	cf::attachable->attach (	1277	cf::attachable->attach (
732	prio => -1000000,	1278	prio => -1000000,
733	on_instantiate => sub {	1279	on_instantiate => sub {
734	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
735		1281
736	$data = from_json $data;	1282	$data = decode_json $data;
737		1283
738	for (@$data) {	1284	for (@$data) {
739	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
740		1286
741	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1303	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
759		1305
760	sync_job {	1306	sync_job {
761	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
764		1312
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	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	}
769	close $fh;	1320	aio_close $fh;
770		1321
771	if (@$objs) {	1322	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
776	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	}
777	close $fh;	1331	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
779	}	1333	}
780	} else {	1334	} else {
781	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
782	}	1336	}
783		1337
784	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
785	} else {	1342	} else {
786	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
787	}	1344	}
788	} else {	1345	} else {
789	aio_unlink $filename;	1346	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
791	}	1348	}
792	}	1349	};
793	}	1350	}
794		1351
795	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
797		1354
…		…
809	or return;	1366	or return;
810		1367
811	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
813	or return;	1370	or return;
		1371
814	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
815	}	1374	}
816		1375
		1376	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
819	return ($data, $av);	1381	($data, $av)
820	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
821		1389
822	#############################################################################	1390	#############################################################################
823	# command handling &c	1391	# command handling &c
824		1392
825	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1407	}
840		1408
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1410
843	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.
844		1416
845	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
846	called.	1418	called.
847		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
848	=cut	1431	=cut
849		1432
850	sub register_extcmd {	1433	sub register_extcmd {
851	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
852		1435
853	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
854	}	1437	}
855		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
856	cf::player->attach (	1447	cf::player->attach (
857	on_command => sub {	1448	on_unknown_command => sub {
858	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
859		1450
860	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
861	or return;	1452	or return;
862		1453
…		…
867	cf::override;	1458	cf::override;
868	},	1459	},
869	on_extcmd => sub {	1460	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
871		1462
872	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1464
874	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) =
		1467	"ARRAY" eq ref $msg
		1468	? @$msg
		1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1470
		1471	my @reply;
		1472
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
880	} else {	1480	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1482	}
883		1483
884	cf::override;	1484	cf::override;
885	},	1485	},
886	);	1486	);
887		1487
		1488	# "readahead" all extensions
888	sub load_extension {	1489	sub cache_extensions {
889	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
890		1491
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
892	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
893	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}	1495	}
916	die $@;
917	}	1496	};
918		1497
919	push @EXTS, $pkg;	1498	$grp
920	}	1499	}
921		1500
922	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
923	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1508	next unless -r $path;
925	eval {	1509
926	load_extension $ext;	1510	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1511	my $base = $1;
		1512	my $pkg = $1;
		1513	$pkg =~ s/[^[:word:]]/_/g;
		1514	$pkg = "ext::$pkg";
		1515
		1516	open my $fh, "<:utf8", $path
		1517	or die "$path: $!";
		1518
		1519	my $source = do { local $/; <$fh> };
		1520
		1521	my %ext = (
		1522	path => $path,
		1523	base => $base,
		1524	pkg => $pkg,
		1525	);
		1526
		1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1529
		1530	$ext{source} =
		1531	"package $pkg; use common::sense;\n"
		1532	. "#line 1 \"$path\"\n{\n"
		1533	. $source
		1534	. "\n};\n1";
		1535
		1536	$todo{$base} = \%ext;
		1537	}
		1538
		1539	my $pass = 0;
		1540	my %done;
		1541	while (%todo) {
		1542	my $progress;
		1543
		1544	++$pass;
		1545
		1546	ext:
		1547	while (my ($k, $v) = each %todo) {
		1548	for (split /,\s*/, $v->{meta}{depends}) {
		1549	next ext
		1550	unless exists $done{$_};
		1551	}
		1552
		1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1554
		1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
		1558	error "$v->{path}: $@\n";
		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1561	if exists $v->{meta}{mandatory};
		1562
		1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1564	delete $todo{$k};
		1565	} else {
		1566	$done{$k} = delete $todo{$k};
		1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
		1572	}
927	1	1573	}
928	} or warn "$ext not loaded: $@";	1574
		1575	unless ($progress) {
		1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
		1585	}
929	}	1586	};
930	}	1587	}
931		1588
932	#############################################################################	1589	#############################################################################
933		1590
		1591	=back
		1592
934	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
935		1594
936	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
937		1596
938	=cut	1597	=cut
939		1598
940	package cf::player;	1599	package cf::player;
941		1600
…		…
943		1602
944	=head3 cf::player	1603	=head3 cf::player
945		1604
946	=over 4	1605	=over 4
947		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
		1620
948	=item cf::player::find $login	1621	=item cf::player::find $login
949		1622
950	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
951		1624
952	=cut	1625	=cut
953		1626
954	sub playerdir($) {	1627	sub playerdir($) {
955	cf::localdir	1628	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1630	}
961		1631
962	sub path($) {	1632	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1634
965	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
966	}	1636	}
967		1637
968	sub find_active($) {	1638	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
973		1643
974	sub exists($) {	1644	sub exists($) {
975	my ($login) = @_;	1645	my ($login) = @_;
976		1646
977	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
978	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
979	}	1649	}
980		1650
981	sub find($) {	1651	sub find($) {
982	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
983	my $login = $_[0];	1653	my $login = $_[0];
984		1654
985	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
986		1656
987	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1658	# rename old playerfiles to new ones
		1659	#TODO: remove when no longer required
		1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1663	aio_unlink +(playerdir $login) . "/$login.pl";
		1664
		1665	my $f = new_from_file cf::object::thawer path $login
989	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
991	}	1674	}
992	}	1675	}
993	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
994		1690
995	sub save($) {	1691	sub save($) {
996	my ($pl) = @_;	1692	my ($pl) = @_;
997		1693
998	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1003	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1004		1700
1005	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1007		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1008	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1009	Coro::cede;	1710	cf::cede_to_tick;
1010	}	1711	}
1011		1712
1012	sub new($) {	1713	sub new($) {
1013	my ($login) = @_;	1714	my ($login) = @_;
1014		1715
…		…
1020	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1021		1722
1022	$self	1723	$self
1023	}	1724	}
1024		1725
		1726	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1727
		1728	=cut
		1729
		1730	sub send_msg {
		1731	my $ns = shift->ns
		1732	or return;
		1733	$ns->send_msg (@_);
		1734	}
		1735
1025	=item $pl->quit_character	1736	=item $pl->quit_character
1026		1737
1027	Nukes the player without looking back. If logged in, the connection will	1738	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1029		1740
…		…
1033	my ($pl) = @_;	1744	my ($pl) = @_;
1034		1745
1035	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1036		1747
1037	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1038	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1039		1750
1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1041	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1043	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1044		1759
1045	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1046	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1047	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1076	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1077		1792
1078	=cut	1793	=cut
1079		1794
1080	sub list_logins {	1795	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1797	or return [];
1083		1798
1084	my @logins;	1799	my @logins;
1085		1800
1086	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1088	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1089	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1090		1811
1091	utf8::decode $login;	1812	utf8::decode $login;
1092	push @logins, $login;	1813	push @logins, $login;
1093	}	1814	}
1094		1815
1095	\@logins	1816	\@logins
1096	}	1817	}
1097		1818
1098	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1099		1822
1100	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1101	player. May block.	1824	player. May block.
1102		1825
1103	=cut	1826	=cut
…		…
1121	}	1844	}
1122		1845
1123	\@paths	1846	\@paths
1124	}	1847	}
1125		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1127		1854
1128	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1129		1856
1130	=cut	1857	=cut
1131		1858
1132	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1133	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1134		1861
1135	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1863	}
1139		1864
1140	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		1872	my ($self, $type, @msg) = @_;
		1873
		1874	$self->ns->ext_msg ($type, @msg);
		1875	}
		1876
		1877	=head3 cf::region
		1878
		1879	=over 4
		1880
		1881	=cut
		1882
		1883	package cf::region;
		1884
		1885	=item cf::region::find_by_path $path
		1886
		1887	Tries to decuce the likely region for a map knowing only its path.
		1888
		1889	=cut
		1890
		1891	sub find_by_path($) {
		1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
		1895
		1896	my ($match, $specificity);
		1897
		1898	for my $region (list) {
		1899	if ($region->{match} && $path =~ $region->{match}) {
		1900	($match, $specificity) = ($region, $region->specificity)
		1901	if $region->specificity > $specificity;
		1902	}
		1903	}
		1904
		1905	$match
		1906	}
1141		1907
1142	=back	1908	=back
1143
1144		1909
1145	=head3 cf::map	1910	=head3 cf::map
1146		1911
1147	=over 4	1912	=over 4
1148		1913
…		…
1160	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1161	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1162		1927
1163	sub generate_random_map {	1928	sub generate_random_map {
1164	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1165	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1166	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1170	$rmp->{exit_on_final_map},
1171	$rmp->{xsize}, $rmp->{ysize},
1172	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1173	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1174	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1175	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1176	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1177	(cf::region::find $rmp->{region}), $rmp->{custom}
1178	)
1179	}	1934	}
1180		1935
1181	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1182		1937
1183	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1188		1943
1189	sub register {	1944	sub register {
1190	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1191	my $pkg = caller;	1946	my $pkg = caller;
1192		1947
1193	no strict;
1194	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1195		1949
1196	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1197	}	1951	}
1198		1952
1199	# also paths starting with '/'	1953	# also paths starting with '/'
1200	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1201		1955
1202	sub thawer_merge {	1956	sub thawer_merge {
1203	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1204		1958
1205	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1206	local $self->{path};	1960	local $self->{path};
1207	local $self->{load_path};	1961	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1962
1211	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1212	}	1964	}
1213		1965
1214	sub normalise {	1966	sub normalise {
1215	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1216		1968
1217	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1218		1970
1219	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1220		1972
1221	# map plan:	1973	# map plan:
1222	#	1974	#
…		…
1237	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1238	$path = "$base/$path";	1990	$path = "$base/$path";
1239	}	1991	}
1240		1992
1241	for ($path) {	1993	for ($path) {
1242	redo if s{//}{/};
1243	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1244	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1245	}	1996	}
1246		1997
1247	$path	1998	$path
…		…
1261	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1262	return $self;	2013	return $self;
1263	}	2014	}
1264	}	2015	}
1265		2016
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1267	()	2018	()
1268	}	2019	}
1269		2020
		2021	# may re-bless or do other evil things
1270	sub init {	2022	sub init {
1271	my ($self) = @_;	2023	my ($self) = @_;
1272		2024
1273	$self	2025	$self
1274	}	2026	}
…		…
1286		2038
1287	# the original (read-only) location	2039	# the original (read-only) location
1288	sub load_path {	2040	sub load_path {
1289	my ($self) = @_;	2041	my ($self) = @_;
1290		2042
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1292	}	2044	}
1293		2045
1294	# the temporary/swap location	2046	# the temporary/swap location
1295	sub save_path {	2047	sub save_path {
1296	my ($self) = @_;	2048	my ($self) = @_;
1297		2049
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1300	}	2052	}
1301		2053
1302	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1303	sub uniq_path {	2055	sub uniq_path {
1304	my ($self) = @_;	2056	my ($self) = @_;
1305		2057
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1308	}	2060	}
1309		2061
1310	# and all this just because we cannot iterate over	2062	sub decay_objects {
1311	# all maps in C++...
1312	sub change_all_map_light {
1313	my ($change) = @_;	2063	my ($self) = @_;
1314		2064
1315	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1316	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1317	}	2068	}
1318		2069
1319	sub unlink_save {	2070	sub unlink_save {
1320	my ($self) = @_;	2071	my ($self) = @_;
1321		2072
…		…
1326		2077
1327	sub load_header_from($) {	2078	sub load_header_from($) {
1328	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1329		2080
1330	utf8::encode $path;	2081	utf8::encode $path;
1331	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1332	# or return;
1333
1334	$self->_load_header ($path)
1335	or return;	2083	or return;
1336		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1337	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1338		2092
1339	1	2093	1
1340	}	2094	}
1341		2095
		2096	# used to laod the header of an original map
1342	sub load_header_orig {	2097	sub load_header_orig {
1343	my ($self) = @_;	2098	my ($self) = @_;
1344		2099
1345	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1346	}	2101	}
1347		2102
		2103	# used to laod the header of an instantiated map
1348	sub load_header_temp {	2104	sub load_header_temp {
1349	my ($self) = @_;	2105	my ($self) = @_;
1350		2106
1351	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1352	}	2108	}
1353		2109
		2110	# called after loading the header from an instantiated map
1354	sub prepare_temp {	2111	sub prepare_temp {
1355	my ($self) = @_;	2112	my ($self) = @_;
1356		2113
1357	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1358	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1359	# safety	2116	# safety
1360	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1361	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1362	}	2119	}
1363		2120
		2121	# called after loading the header from an original map
1364	sub prepare_orig {	2122	sub prepare_orig {
1365	my ($self) = @_;	2123	my ($self) = @_;
1366		2124
1367	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1368	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1379	$self->load_header_orig	2137	$self->load_header_orig
1380	or return;	2138	or return;
1381	$self->prepare_orig;	2139	$self->prepare_orig;
1382	}	2140	}
1383		2141
		2142	$self->{deny_reset} = 1
		2143	if $self->no_reset;
		2144
		2145	$self->default_region (cf::region::find_by_path $self->{path})
		2146	unless $self->default_region;
		2147
1384	1	2148	1
1385	}	2149	}
1386		2150
1387	sub find;	2151	sub find;
1388	sub find {	2152	sub find {
1389	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1390		2154
		2155	cf::cede_to_tick;
		2156
1391	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1392		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1393	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1394		2161
1395	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1396	my $guard = cf::lock_acquire "map_find:$path";
1397	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1398	or return;	2164	or return;
1399		2165
1400	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1401		2167
1402	$map->load_header	2168	$map->load_header
1403	or return;	2169	or return;
1404		2170
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1408	$map->reset;	2176	$map->reset;
1409	undef $guard;
1410	return find $path;	2177	return find $path;
1411	}	2178	}
1412		2179
1413	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1414	}	2181	}
1415	}	2182	}
1416		2183
1417	sub pre_load { }	2184	sub pre_load { }
1418	sub post_load { }	2185	#sub post_load { } # XS
1419		2186
1420	sub load {	2187	sub load {
1421	my ($self) = @_;	2188	my ($self) = @_;
1422		2189
1423	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1424		2191
1425	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1426	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1427		2196
1428	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1429		2199
1430	$self->in_memory (cf::MAP_LOADING);
1431
1432	$self->alloc;	2200	$self->alloc;
1433		2201
1434	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1435		2204
1436	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1437	or return;	2209	or return;
1438		2210
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1440	if delete $self->{load_original};	2212	if delete $self->{load_original};
1441		2213
1442	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	2215	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1445	$self->clear_unique_items;	2218	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1447	}	2223	}
1448	}
1449		2224
1450	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1451		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1452	# now do the right thing for maps	2234	# now do the right thing for maps
1453	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1454
1455	unless ($self->{deny_activate}) {
1456	$self->decay_objects;
1457	$self->fix_auto_apply;
1458	$self->update_buttons;
1459	Coro::cede;
1460	$self->set_darkness_map;
1461	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	2237	unless $self->difficulty;
1463	Coro::cede;	2238	cf::cede_to_tick;
1464	$self->activate;	2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	cf::cede_to_tick;
		2245	#$self->activate; # no longer activate maps automatically
		2246	}
		2247
		2248	$self->{last_save} = $cf::RUNTIME;
		2249	$self->last_access ($cf::RUNTIME);
1465	}	2250	}
1466		2251
1467	$self->post_load;	2252	$self->post_load;
1468		2253
1469	$self->in_memory (cf::MAP_IN_MEMORY);	2254	1
1470	}	2255	}
1471		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1472	sub customise_for {	2260	sub customise_for {
1473	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1474		2262
1475	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	2264	if $self->per_player;
1477		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1478	$self	2269	$self
1479	}
1480
1481	# find and load all maps in the 3x3 area around a map
1482	sub load_diag {
1483	my ($map) = @_;
1484
1485	my @diag; # diagonal neighbours
1486
1487	for (0 .. 3) {
1488	my $neigh = $map->tile_path ($_)
1489	or next;
1490	$neigh = find $neigh, $map
1491	or next;
1492	$neigh->load;
1493
1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1496	}
1497
1498	for (@diag) {
1499	my $neigh = find @$_
1500	or next;
1501	$neigh->load;
1502	}
1503	}	2270	}
1504		2271
1505	sub find_sync {	2272	sub find_sync {
1506	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1507		2274
1508	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
1509	}	2280	}
1510		2281
1511	sub do_load_sync {	2282	sub do_load_sync {
1512	my ($map) = @_;	2283	my ($map) = @_;
1513		2284
1514	cf::sync_job { $map->load };	2285	# it's a bug to call this from the main context
		2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2287	if $Coro::current == $Coro::main;
		2288
		2289	$map->load;
1515	}	2290	}
1516		2291
1517	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1519		2294
1520	sub find_async {	2295	sub find_async {
1521	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1522		2297
1523	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1524		2299
1525	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1527	}	2302	}
1528		2303
1529	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1530	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1531	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	2311	if (my $map = find $k) {
1534	or next;
1535	$map->load;	2312	$map->load if $v;
		2313	}
1536		2314
1537	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1538	}	2316	}
1539	}	2317	}
1540	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1541	};	2319	};
1542	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1543		2321
1544	()	2322	()
1545	}	2323	}
1546		2324
		2325	# common code, used by both ->save and ->swapout
1547	sub save {	2326	sub _save {
1548	my ($self) = @_;	2327	my ($self) = @_;
1549
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;
1551		2328
1552	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1553		2330
1554	return unless $self->dirty;	2331	return unless $self->dirty;
1555		2332
…		…
1561	return if $self->{deny_save};	2338	return if $self->{deny_save};
1562		2339
1563	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1564		2341
1565	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1566	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1567	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1568		2348
1569	if ($uniq) {	2349	if ($uniq) {
1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1572	} else {	2352	} else {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1574	}	2354	}
1575	}	2355	}
1576		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1577	sub swap_out {	2365	sub swap_out {
1578	my ($self) = @_;	2366	my ($self) = @_;
1579		2367
1580	# save first because save cedes
1581	$self->save;
1582
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1585	return if $self->players;	2372	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;
1587	return if $self->{deny_save};
1588		2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
1589	$self->clear;	2383	$self->clear;
1590	$self->in_memory (cf::MAP_SWAPPED);
1591	}	2384	}
1592		2385
1593	sub reset_at {	2386	sub reset_at {
1594	my ($self) = @_;	2387	my ($self) = @_;
1595		2388
1596	# TODO: safety, remove and allow resettable per-player maps	2389	# TODO: safety, remove and allow resettable per-player maps
1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1598	return 1e99 if $self->{deny_reset};	2390	return 1e99 if $self->{deny_reset};
1599		2391
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2394
…		…
1613	my ($self) = @_;	2405	my ($self) = @_;
1614		2406
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2408
1617	return if $self->players;	2409	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2410
1620	warn "resetting map ", $self->path;#d#	2411	cf::trace "resetting map ", $self->path, "\n";
1621		2412
1622	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
1623		2414
1624	# need to save uniques path	2415	# need to save uniques path
1625	unless ($self->{deny_save}) {	2416	unless ($self->{deny_save}) {
1626	my $uniq = $self->uniq_path; utf8::encode $uniq;	2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
1627		2418
…		…
1629	if $uniq;	2420	if $uniq;
1630	}	2421	}
1631		2422
1632	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
1633		2424
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
1634	$self->clear;	2427	$self->clear;
1635
1636	$_->clear_links_to ($self) for values %cf::MAP;
1637		2428
1638	$self->unlink_save;	2429	$self->unlink_save;
1639	$self->destroy;	2430	$self->destroy;
1640	}	2431	}
1641		2432
1642	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
1643		2434
1644	sub nuke {	2435	sub nuke {
1645	my ($self) = @_;	2436	my ($self) = @_;
1646		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
1647	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
1648		2442
1649	$self->unlink_save;	2443	$self->unlink_save;
1650		2444
1651	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
1652	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
1653	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
1654	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656		2450
1657	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
1658		2453
1659	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
		2455	}
		2456
		2457	=item $maps = cf::map::tmp_maps
		2458
		2459	Returns an arrayref with all map paths of currently instantiated and saved
		2460	maps. May block.
		2461
		2462	=cut
		2463
		2464	sub tmp_maps() {
		2465	[
		2466	map {
		2467	utf8::decode $_;
		2468	/\.map$/
		2469	? normalise $_
		2470	: ()
		2471	} @{ aio_readdir $TMPDIR or [] }
		2472	]
		2473	}
		2474
		2475	=item $maps = cf::map::random_maps
		2476
		2477	Returns an arrayref with all map paths of currently instantiated and saved
		2478	random maps. May block.
		2479
		2480	=cut
		2481
		2482	sub random_maps() {
		2483	[
		2484	map {
		2485	utf8::decode $_;
		2486	/\.map$/
		2487	? normalise "?random/$_"
		2488	: ()
		2489	} @{ aio_readdir $RANDOMDIR or [] }
		2490	]
1660	}	2491	}
1661		2492
1662	=item cf::map::unique_maps	2493	=item cf::map::unique_maps
1663		2494
1664	Returns an arrayref of paths of all shared maps that have	2495	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2496	instantiated unique items. May block.
1666		2497
1667	=cut	2498	=cut
1668		2499
1669	sub unique_maps() {	2500	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2501	[
1671	or return;	2502	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2503	utf8::decode $_;
1677	next if /\.pst$/;	2504	s/\.map$//; # TODO future compatibility hack
1678	next unless /^$PATH_SEP/o;	2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1679		2506	? ()
1680	push @paths, cf::map::normalise $_;	2507	: normalise $_
		2508	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2509	]
1682
1683	\@paths
1684	}	2510	}
1685		2511
1686	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
1687		2543
1688	=back	2544	=back
1689		2545
1690	=head3 cf::object	2546	=head3 cf::object
1691		2547
…		…
1695		2551
1696	=over 4	2552	=over 4
1697		2553
1698	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
1699		2555
1700	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
1701		2558
1702	=cut	2559	=cut
1703		2560
1704	sub inv_recursive_;	2561	sub inv_recursive_;
1705	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
1708		2565
1709	sub inv_recursive {	2566	sub inv_recursive {
1710	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
1711	}	2568	}
1712		2569
		2570	=item $ref = $ob->ref
		2571
		2572	Creates and returns a persistent reference to an object that can be stored as a string.
		2573
		2574	=item $ob = cf::object::deref ($refstring)
		2575
		2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2577	even if the object actually exists. May block.
		2578
		2579	=cut
		2580
		2581	sub deref {
		2582	my ($ref) = @_;
		2583
		2584	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2585	my ($uuid, $name) = ($1, $2);
		2586	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2587	or return;
		2588	$pl->ob->uuid eq $uuid
		2589	or return;
		2590
		2591	$pl->ob
		2592	} else {
		2593	warn "$ref: cannot resolve object reference\n";
		2594	undef
		2595	}
		2596	}
		2597
1713	package cf;	2598	package cf;
1714		2599
1715	=back	2600	=back
1716		2601
1717	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
1723	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2608	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1724	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
1725	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
1726		2611
1727	=cut	2612	=cut
		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
1728		2627
1729	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
1730	# with dialog boxes.	2629	# with dialog boxes.
1731	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
1732	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
1734		2633
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2635
1737	if ($self->{record_replies}) {	2636	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2638
1739	} else {	2639	} else {
		2640	my $pl = $self->contr;
		2641
		2642	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2643	my $dialog = $pl->{npc_dialog};
		2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2645
		2646	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2649	}
1742	}	2650	}
		2651	}
		2652
		2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2654
		2655	=cut
		2656
		2657	sub cf::object::send_msg {
		2658	my $pl = shift->contr
		2659	or return;
		2660	$pl->send_msg (@_);
1743	}	2661	}
1744		2662
1745	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
1746		2664
1747	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
1760		2678
1761	=item $player_object->enter_link	2679	=item $player_object->enter_link
1762		2680
1763	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
1764		2682
1765	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
1766	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
1767		2687
1768	Will never block.	2688	Will never block.
1769		2689
1770	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
1771		2691
…		…
1791	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
1792	my ($self) = @_;	2712	my ($self) = @_;
1793		2713
1794	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
1795		2715
		2716	++$self->{_link_recursion};
		2717
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2719
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2721	if $self->map && $self->map->{path} ne "{link}";
1800		2722
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1802	}	2724	}
1803		2725
1804	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
		2728
		2729	return unless $self->contr->active;
1806		2730
1807	my $link_pos = delete $self->{_link_pos};	2731	my $link_pos = delete $self->{_link_pos};
1808		2732
1809	unless ($map) {	2733	unless ($map) {
1810	# restore original map position	2734	# restore original map position
…		…
1821	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
1822	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
1823		2747
1824	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
1827		2751
1828	$map->load;	2752	$map->load;
1829	$map->load_diag;
1830		2753
1831	return unless $self->contr->active;	2754	return unless $self->contr->active;
1832	$self->activate_recursive;
1833		2755
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
1836	}	2758	# entering was successful
1837		2759	delete $self->{_link_recursion};
1838	cf::player->attach (	2760	# only activate afterwards, to support waiting in hooks
1839	on_logout => sub {	2761	$self->activate_recursive;
1840	my ($pl) = @_;
1841
1842	# abort map switching before logout
1843	if ($pl->ob->{_link_pos}) {
1844	cf::sync_job {
1845	$pl->ob->leave_link
1846	};
1847	}
1848	},	2762	}
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2763
1852	# try to abort aborted map switching on player login :)	2764	}
1853	# should happen only on crashes
1854	if ($pl->ob->{_link_pos}) {
1855	$pl->ob->enter_link;
1856	(async {
1857	$pl->ob->reply (undef,
1858	"There was an internal problem at your last logout, "
1859	. "the server will try to bring you to your intended destination in a second.",
1860	cf::NDI_RED);
1861	# we need this sleep as the login has a concurrent enter_exit running
1862	# and this sleep increases chances of the player not ending up in scorn
1863	Coro::Timer::sleep 1;
1864	$pl->ob->leave_link;
1865	})->prio (2);
1866	}
1867	},
1868	);
1869		2765
1870	=item $player_object->goto ($path, $x, $y)	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1871		2767
		2768	Moves the player to the given map-path and coordinates by first freezing
		2769	her, loading and preparing them map, calling the provided $check callback
		2770	that has to return the map if sucecssful, and then unfreezes the player on
		2771	the new (success) or old (failed) map position. In either case, $done will
		2772	be called at the end of this process.
		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
1872	=cut	2777	=cut
		2778
		2779	our $GOTOGEN;
1873		2780
1874	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
		2789
		2790	# do generation counting so two concurrent goto's will be executed in-order
		2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2792
1877	$self->enter_link;	2793	$self->enter_link;
1878		2794
1879	(async {	2795	(async {
		2796	$Coro::current->{desc} = "player::goto $path $x $y";
		2797
		2798	# *tag paths override both path and x|y
		2799	if ($path =~ /^\*(.*)$/) {
		2800	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2801	my $ob = $obs[rand @obs];
		2802
		2803	# see if we actually can go there
		2804	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2805	$ob = $obs[rand @obs];
		2806	} else {
		2807	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2808	}
		2809	# else put us there anyways for now #d#
		2810
		2811	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2812	} else {
		2813	($path, $x, $y) = (undef, undef, undef);
		2814	}
		2815	}
		2816
1880	my $map = eval {	2817	my $map = eval {
1881	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2819
		2820	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2821	$map = $map->customise_for ($self);
		2822	$map = $check->($map, $x, $y, $self) if $check && $map;
		2823	} else {
		2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2825	}
		2826
1883	$map	2827	$map
		2828	};
		2829
		2830	if ($@) {
		2831	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2832	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2833	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2834
		2835	if ($gen == $self->{_goto_generation}) {
		2836	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
		2838	}
		2839
		2840	$done->($self) if $done;
1888	})->prio (1);	2841	})->prio (1);
1889	}	2842	}
1890		2843
1891	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
1892		2845
…		…
1912	}	2865	}
1913		2866
1914	sub prepare_random_map {	2867	sub prepare_random_map {
1915	my ($exit) = @_;	2868	my ($exit) = @_;
1916		2869
1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1918
1919	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
1920	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
1921	# that depends on the exit object	2872	# that depends on the exit object
1922		2873
1923	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
1925	if ($exit->map) {	2876	if ($exit->map) {
1926	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
1927	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
1928	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
1929	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
1930	}	2883	}
1931		2884
1932	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
1933		2886
1934	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1935	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
1937		2890
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2893	undef $fh;
1941	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
1942		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
1943	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
1944	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
1945	}	2902	}
1946	}	2903	}
1947		2904
1948	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
1949	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
1950		2907
1951	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
1952		2909
1953	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
1955	cf::sync_job { prepare_random_map $exit };
1956	}
1957
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;
1961
1962	$self->enter_link;	2910	$self->enter_link;
1963		2911
1964	(async {	2912	(async {
1965	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
1966	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
1967	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
1968		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
1969	1;	2951	1
1970	}) {	2952	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
1972	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2957
1976	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
1977	$self->leave_link;	2959	$self->leave_link;
1978	}	2960	}
1979	})->prio (1);	2961	})->prio (1);
1980	}	2962	}
1981		2963
…		…
1992		2974
1993	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
1995		2977
1996	utf8::encode $text;	2978	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	2980	}
1999		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
		3005	}
		3006
		3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3008
		3009	Send a drawinfo or msg packet to the client, formatting the msg for the
		3010	client if neccessary. C<$type> should be a string identifying the type of
		3011	the message, with C<log> being the default. If C<$color> is negative, suppress
		3012	the message unless the client supports the msg packet.
		3013
		3014	=cut
		3015
		3016	# non-persistent channels (usually the info channel)
		3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
		3024	"c/identify" => {
		3025	id => "infobox",
		3026	title => "Identify",
		3027	reply => undef,
		3028	tooltip => "Items recently identified",
		3029	},
		3030	"c/examine" => {
		3031	id => "infobox",
		3032	title => "Examine",
		3033	reply => undef,
		3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
		3041	},
		3042	"c/book" => {
		3043	id => "infobox",
		3044	title => "Book",
		3045	reply => undef,
		3046	tooltip => "The contents of a note or book",
		3047	},
		3048	"c/lookat" => {
		3049	id => "infobox",
		3050	title => "Look",
		3051	reply => undef,
		3052	tooltip => "What you saw there",
		3053	},
		3054	"c/who" => {
		3055	id => "infobox",
		3056	title => "Players",
		3057	reply => undef,
		3058	tooltip => "Shows players who are currently online",
		3059	},
		3060	"c/body" => {
		3061	id => "infobox",
		3062	title => "Body Parts",
		3063	reply => undef,
		3064	tooltip => "Shows which body parts you posess and are available",
		3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
		3102	"c/uptime" => {
		3103	id => "infobox",
		3104	title => "Uptime",
		3105	reply => undef,
		3106	tooltip => "How long the server has been running since last restart",
		3107	},
		3108	"c/mapinfo" => {
		3109	id => "infobox",
		3110	title => "Map Info",
		3111	reply => undef,
		3112	tooltip => "Information related to the maps",
		3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
		3128	);
		3129
		3130	sub cf::client::send_msg {
		3131	my ($self, $channel, $msg, $color, @extra) = @_;
		3132
		3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
		3135
		3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3137
		3138	# check predefined channels, for the benefit of C
		3139	if ($CHANNEL{$channel}) {
		3140	$channel = $CHANNEL{$channel};
		3141
		3142	$self->ext_msg (channel_info => $channel);
		3143	$channel = $channel->{id};
		3144
		3145	} elsif (ref $channel) {
		3146	# send meta info to client, if not yet sent
		3147	unless (exists $self->{channel}{$channel->{id}}) {
		3148	$self->{channel}{$channel->{id}} = $channel;
		3149	$self->ext_msg (channel_info => $channel);
		3150	}
		3151
		3152	$channel = $channel->{id};
		3153	}
		3154
		3155	return unless @extra || length $msg;
		3156
		3157	# default colour, mask it out
		3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3159	if $color & cf::NDI_DEF;
		3160
		3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
		3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3164	);
		3165
		3166	$self->send_big_packet ($pkt);
		3167	}
		3168
		3169	=item $client->ext_msg ($type, @msg)
		3170
		3171	Sends an ext event to the client.
		3172
		3173	=cut
		3174
		3175	sub cf::client::ext_msg($$@) {
		3176	my ($self, $type, @msg) = @_;
		3177
		3178	if ($self->extcmd == 2) {
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3180	} elsif ($self->extcmd == 1) { # TODO: remove
		3181	push @msg, msgtype => "event_$type";
		3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3183	}
		3184	}
		3185
		3186	=item $client->ext_reply ($msgid, @msg)
		3187
		3188	Sends an ext reply to the client.
		3189
		3190	=cut
		3191
		3192	sub cf::client::ext_reply($$@) {
		3193	my ($self, $id, @msg) = @_;
		3194
		3195	if ($self->extcmd == 2) {
		3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3197	} elsif ($self->extcmd == 1) {
		3198	#TODO: version 1, remove
		3199	unshift @msg, msgtype => "reply", msgid => $id;
		3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3201	}
		3202	}
2000		3203
2001	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2002		3205
2003	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
2004	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3207	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2005	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3208	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		3209
2007	Queries can fail, so check the return code. Or don't, as queries will become	3210	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	3211	become reliable at some point in the future.
2009		3212
2010	=cut	3213	=cut
2011		3214
2012	sub cf::client::query {	3215	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	3216	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	3224	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3225	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		3226
2024	$self->send_packet ($self->{query_queue}[0][0])	3227	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	3228	if @{ $self->{query_queue} } == 1;
		3229
		3230	1
2026	}	3231	}
2027		3232
2028	cf::client->attach (	3233	cf::client->attach (
		3234	on_connect => sub {
		3235	my ($ns) = @_;
		3236
		3237	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3238	},
2029	on_reply => sub {	3239	on_reply => sub {
2030	my ($ns, $msg) = @_;	3240	my ($ns, $msg) = @_;
2031		3241
2032	# this weird shuffling is so that direct followup queries	3242	# this weird shuffling is so that direct followup queries
2033	# get handled first	3243	# get handled first
…		…
2045	} else {	3255	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3256	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	3257	}
2048	}	3258	}
2049	},	3259	},
		3260	on_exticmd => sub {
		3261	my ($ns, $buf) = @_;
		3262
		3263	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3264
		3265	if (ref $msg) {
		3266	my ($type, $reply, @payload) =
		3267	"ARRAY" eq ref $msg
		3268	? @$msg
		3269	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3270
		3271	my @reply;
		3272
		3273	if (my $cb = $EXTICMD{$type}) {
		3274	@reply = $cb->($ns, @payload);
		3275	}
		3276
		3277	$ns->ext_reply ($reply, @reply)
		3278	if $reply;
		3279
		3280	} else {
		3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3282	}
		3283
		3284	cf::override;
		3285	},
2050	);	3286	);
2051		3287
2052	=item $client->async (\&cb)	3288	=item $client->async (\&cb)
2053		3289
2054	Create a new coroutine, running the specified callback. The coroutine will	3290	Create a new coroutine, running the specified callback. The coroutine will
…		…
2070		3306
2071	$coro	3307	$coro
2072	}	3308	}
2073		3309
2074	cf::client->attach (	3310	cf::client->attach (
2075	on_destroy => sub {	3311	on_client_destroy => sub {
2076	my ($ns) = @_;	3312	my ($ns) = @_;
2077		3313
2078	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2079	},	3315	},
2080	);	3316	);
…		…
2095	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2097		3333
2098	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2099		3335
2100	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3336	$safe->permit_only (Opcode::opset qw(
		3337	:base_core :base_mem :base_orig :base_math :base_loop
		3338	grepstart grepwhile mapstart mapwhile
		3339	sort time
		3340	));
2101		3341
2102	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2103		3343
2104	=pod	3344	=pod
2105		3345
2106	The following fucntions and emthods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2107		3347
2108	cf::object contr pay_amount pay_player map	3348	cf::object
		3349	contr pay_amount pay_player map x y force_find force_add destroy
		3350	insert remove name archname title slaying race decrease split
		3351	value
		3352
2109	cf::object::player player	3353	cf::object::player
2110	cf::player peaceful	3354	player
2111	cf::map trigger	3355
		3356	cf::player
		3357	peaceful
		3358
		3359	cf::map
		3360	trigger
2112		3361
2113	=cut	3362	=cut
2114		3363
2115	for (	3364	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2117	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2119	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2120	) {	3371	) {
2121	no strict 'refs';
2122	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2123	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2124	for @funs;	3374	for @funs;
2125	}	3375	}
2126		3376
…		…
2141		3391
2142	my $qcode = $code;	3392	my $qcode = $code;
2143	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2144	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2145		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2146	local $_;	3399	local $_;
2147	local @safe::cf::_safe_eval_args = values %vars;
2148		3400
2149	my $eval =	3401	my $eval =
2150	"do {\n"	3402	"do {\n"
2151	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2152	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2153	. $code	3405	. $code
2154	. "\n}"	3406	. "\n}"
2155	;	3407	;
2156		3408
		3409	if ($CFG{safe_eval}) {
2157	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2158	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2159	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2160		3418
2161	if ($@) {	3419	if ($@) {
2162	warn "$@";	3420	warn "$@",
2163	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2164	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2165	}	3423	}
2166		3424
2167	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2168	}	3426	}
2169		3427
…		…
2183	=cut	3441	=cut
2184		3442
2185	sub register_script_function {	3443	sub register_script_function {
2186	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2187		3445
2188	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2189	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2190	}	3448	}
2191		3449
2192	=back	3450	=back
2193		3451
2194	=cut	3452	=cut
2195
2196	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$family> should best start with the name of the extension
2205	using it, it should be unique.
2206
2207	=over 4
2208
2209	=item $value = cf::db_get $family => $key
2210
2211	Returns a single value from the database.
2212
2213	=item cf::db_put $family => $key => $value
2214
2215	Stores the given C<$value> in the family.
2216
2217	=cut
2218
2219	our $DB;
2220
2221	sub db_init {
2222	unless ($DB) {
2223	$DB = BDB::db_create $DB_ENV;
2224
2225	cf::sync_job {
2226	eval {
2227	$DB->set_flags (BDB::CHKSUM);
2228
2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231	cf::cleanup "db_open(db): $!" if $!;
2232	};
2233	cf::cleanup "db_open(db): $@" if $@;
2234	};
2235
2236	my $path = cf::localdir . "/database.pst";
2237	if (stat $path) {
2238	cf::sync_job {
2239	my $pst = Storable::retrieve $path;
2240
2241	cf::db_put (board => data => $pst->{board});
2242	cf::db_put (guildrules => data => $pst->{guildrules});
2243	cf::db_put (rent => balance => $pst->{rent}{balance});
2244	BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246	unlink $path;
2247	};
2248	}
2249	}
2250	}
2251
2252	sub db_get($$) {
2253	my $key = "$_[0]/$_[1]";
2254
2255	cf::sync_job {
2256	BDB::db_get $DB, undef, $key, my $data;
2257
2258	$! ? ()
2259	: Compress::LZF::sthaw $data
2260	}
2261	}
2262
2263	sub db_put($$$) {
2264	BDB::dbreq_pri 4;
2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2266	}
2267		3453
2268	#############################################################################	3454	#############################################################################
2269	# the server's init and main functions	3455	# the server's init and main functions
2270		3456
2271	sub init_resources {	3457	sub load_facedata($) {
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3458	my ($path) = @_;
		3459
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3465
		3466	trace "loading facedata from $path\n";
		3467
		3468	my $facedata = decode_storable load_file $path;
		3469
		3470	$facedata->{version} == 2
		3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3472
		3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3475	$facedata->{resource}{"res/exp_table"} = {
		3476	type => FT_RSRC,
		3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
		3479	};
		3480	cf::cede_to_tick;
		3481
		3482	{
		3483	my $faces = $facedata->{faceinfo};
		3484
		3485	while (my ($face, $info) = each %$faces) {
		3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
		3488	cf::face::set_visibility $idx, $info->{visibility};
		3489	cf::face::set_magicmap $idx, $info->{magicmap};
		3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
		3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3493
		3494	cf::cede_to_tick;
		3495	}
		3496
		3497	while (my ($face, $info) = each %$faces) {
		3498	next unless $info->{smooth};
		3499
		3500	my $idx = cf::face::find $face
		3501	or next;
		3502
		3503	if (my $smooth = cf::face::find $info->{smooth}) {
		3504	cf::face::set_smooth $idx, $smooth;
		3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3506	} else {
		3507	error "smooth face '$info->{smooth}' not found for face '$face'";
		3508	}
		3509
		3510	cf::cede_to_tick;
		3511	}
		3512	}
		3513
		3514	{
		3515	my $anims = $facedata->{animinfo};
		3516
		3517	while (my ($anim, $info) = each %$anims) {
		3518	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3519	cf::cede_to_tick;
		3520	}
		3521
		3522	cf::anim::invalidate_all; # d'oh
		3523	}
		3524
		3525	{
		3526	my $res = $facedata->{resource};
		3527
		3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
		3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3531
		3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3533	cf::face::set_type $idx, $info->{type};
		3534	} else {
		3535	$RESOURCE{$name} = $info; # unused
		3536	}
		3537
		3538	cf::cede_to_tick;
		3539	}
		3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3543
		3544	1
		3545	}
		3546
		3547	register_exticmd fx_want => sub {
		3548	my ($ns, $want) = @_;
		3549
		3550	while (my ($k, $v) = each %$want) {
		3551	$ns->fx_want ($k, $v);
		3552	}
		3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
		3564
		3565	sub reload_regions {
		3566	# HACK to clear player env face cache, we need some signal framework
		3567	# for this (global event?)
		3568	%ext::player_env::MUSIC_FACE_CACHE = ();
		3569
		3570	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	3571	or die "unable to load regions file\n";
2274	}
2275		3572
2276	sub cfg_load {	3573	for (cf::region::list) {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3574	$_->{match} = qr/$_->{match}/
2278	or return;	3575	if exists $_->{match};
		3576	}
		3577	}
2279		3578
2280	local $/;	3579	sub reload_facedata {
2281	*CFG = YAML::Syck::Load <$fh>;	3580	load_facedata "$DATADIR/facedata"
		3581	or die "unable to load facedata\n";
		3582	}
2282		3583
		3584	sub reload_archetypes {
		3585	load_resource_file "$DATADIR/archetypes"
		3586	or die "unable to load archetypes\n";
		3587	}
		3588
		3589	sub reload_treasures {
		3590	load_resource_file "$DATADIR/treasures"
		3591	or die "unable to load treasurelists\n";
		3592	}
		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
		3614	sub reload_resources {
		3615	trace "reloading resource files...\n";
		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
		3622	reload_regions;
		3623	reload_treasures;
		3624
		3625	trace "finished reloading resource files\n";
		3626	}
		3627
		3628	sub reload_config {
		3629	trace "reloading config file...\n";
		3630
		3631	my $config = load_file "$CONFDIR/config";
		3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
		3634
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2284		3636
2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2287		3639
2288	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2292	};	3644	};
2293	warn $@ if $@;	3645	warn $@ if $@;
2294	}	3646	}
2295	}	3647	}
2296		3648
2297	sub init {	3649	sub pidfile() {
2298	init_resources;	3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
2299	}	3675	}
2300		3676
2301	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
2302	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2305	(async {	3690	(async {
2306	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2307	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2308	};	3694	};
2309		3695
2310	cfg_load;	3696	evthread_start IO::AIO::poll_fileno;
		3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
		3708	reload_config;
2311	db_init;	3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
2312	load_extensions;	3719	load_extensions;
2313		3720
2314	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2315	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
2316	}	3739	}
2317		3740
2318	#############################################################################	3741	#############################################################################
2319	# initialisation and cleanup	3742	# initialisation and cleanup
2320		3743
2321	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
2322	BEGIN {	3745	BEGIN {
		3746	our %SIGWATCHER = ();
2323	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
2324	Event->signal (	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2325	reentrant => 0,
2326	data => WF_AUTOCANCEL,
2327	signal => $signal,
2328	prio => 0,
2329	cb => sub {
2330	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
2331	},
2332	);	3750	};
		3751	}
		3752	}
		3753
		3754	sub write_runtime_sync {
		3755	my $t0 = AE::time;
		3756
		3757	# first touch the runtime file to show we are still running:
		3758	# the fsync below can take a very very long time.
		3759
		3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3761
		3762	my $guard = cf::lock_acquire "write_runtime";
		3763
		3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3765	or return;
		3766
		3767	my $value = $cf::RUNTIME + 90 + 10;
		3768	# 10 is the runtime save interval, for a monotonic clock
		3769	# 60 allows for the watchdog to kill the server.
		3770
		3771	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3772	and return;
		3773
		3774	# always fsync - this file is important
		3775	aio_fsync $fh
		3776	and return;
		3777
		3778	# touch it again to show we are up-to-date
		3779	aio_utime $fh, undef, undef;
		3780
		3781	close $fh
		3782	or return;
		3783
		3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3785	and return;
		3786
		3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3788
2333	}	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
2334	}	3840	}
2335		3841
2336	sub emergency_save() {	3842	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
2338		3844
2339	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
2340		3851
2341	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
2342	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
2343	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
2344	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
2345	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
2346	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
2347	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
2348	$pl->valid or next;	3861	$pl->valid or next;
		3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2349	$pl->save;	3863	$pl->save;
2350	}	3864	}
2351	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
2352		3866
2353	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
2354	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
2355	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
2356	$map->valid or next;	3872	$map->valid or next;
2357	$map->save;	3873	$map->save;
2358	}	3874	}
2359	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
2360		3876
2361	warn "begin emergency database checkpoint\n";	3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
2362	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
2363	warn "end emergency database checkpoint\n";	3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
2364	};	3905	};
2365		3906
2366	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
2367	}	3908	}
2368		3909
2369	sub post_cleanup {	3910	sub post_cleanup {
2370	my ($make_core) = @_;	3911	my ($make_core) = @_;
2371		3912
		3913	IO::AIO::flush;
		3914
2372	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3916	if $make_core;
2374	}
2375		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
		3945	}
		3946
2376	sub reload() {	3947	sub do_reload_perl() {
2377	# can/must only be called in main	3948	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
2379	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
2380	return;	3951	return;
2381	}	3952	}
2382		3953
2383	warn "reloading...";	3954	return if $RELOAD++;
2384		3955
2385	warn "entering sync_job";	3956	my $t1 = AE::time;
2386		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
2387	cf::sync_job {	3964	cf::sync_job {
2388	cf::write_runtime; # external watchdog should not bark
2389	cf::emergency_save;	3965	#cf::emergency_save;
2390	cf::write_runtime; # external watchdog should not bark
2391		3966
2392	warn "syncing database to disk";
2393	BDB::db_env_txn_checkpoint $DB_ENV;
2394
2395	# if anything goes wrong in here, we should simply crash as we already saved
2396
2397	warn "cancelling all WF_AUTOCANCEL watchers";
2398	for (Event::all_watchers) {
2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2400	}
2401
2402	warn "flushing outstanding aio requests";
2403	for (;;) {
2404	BDB::flush;
2405	IO::AIO::flush;
2406	Coro::cede;
2407	last unless IO::AIO::nreqs || BDB::nreqs;
2408	warn "iterate...";
2409	}
2410
2411	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	3969	%EXT_CORO = ();
2414		3970
2415	warn "removing commands";	3971	trace "perl_reload: removing commands";
2416	%COMMAND = ();	3972	%COMMAND = ();
2417		3973
2418	warn "removing ext commands";	3974	trace "perl_reload: removing ext/exti commands";
2419	%EXTCMD = ();	3975	%EXTCMD = ();
		3976	%EXTICMD = ();
2420		3977
2421	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
2424		3981
2425	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
2426	eval {	3983	eval {
2427	$cb->($pkg);	3984	$cb->($pkg);
2428	1	3985	1
2429	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
2430	}	3991	}
2431		3992
2432	warn "... nuking $pkg";
2433	Symbol::delete_package $pkg;
2434	}
2435
2436	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2437	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2439		3996
2440	warn "... unloading $k";	3997	trace "... unloading $k";
2441	delete $INC{$k};	3998	delete $INC{$k};
2442		3999
2443	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
2444	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
2445		4002
2446	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
2447	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
2448	}	4008	}
2449		4009
2450	Symbol::delete_package $k;
2451	}
2452
2453	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
2454	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		4013
2457	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
		4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2459		4017
2460	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
2461	# and global variables created in xs	4019	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
2463		4021
2464	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
2465		4023
2466	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
2467	require cf;	4025	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
2469		4027
2470	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
2471	cf::cfg_load;	4029	cf::reload_config;
2472		4030
2473	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
2474	cf::load_extensions;	4032	cf::load_extensions;
2475		4033
		4034	if ($REATTACH_ON_RELOAD) {
2476	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
2477	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
2478	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
2479	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
2480	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
2481	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
2482		4042
2483	warn "loading reloadable resources";	4043	cf::_post_init 1;
2484	init_resources;
2485		4044
2486	warn "leaving sync_job";	4045	trace "perl_reload: leaving sync_job";
2487		4046
2488	1	4047	1
2489	} or do {	4048	} or do {
2490	warn $@;	4049	error $@;
2491	warn "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
2492	exit 1;	4051	};
		4052
		4053	--$RELOAD;
		4054	}
		4055
		4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
		4058	};
		4059
		4060	our $RELOAD_WATCHER; # used only during reload
		4061
		4062	sub reload_perl() {
		4063	# doing reload synchronously and two reloads happen back-to-back,
		4064	# coro crashes during coro_state_free->destroy here.
		4065
		4066	$RELOAD_WATCHER ||= cf::async {
		4067	Coro::AIO::aio_wait cache_extensions;
		4068
		4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4070	do_reload_perl;
		4071	undef $RELOAD_WATCHER;
		4072	};
2493	};	4073	};
2494		4074	}
2495	warn "reloaded";
2496	};
2497
2498	our $RELOAD_WATCHER; # used only during reload
2499		4075
2500	register_command "reload" => sub {	4076	register_command "reload" => sub {
2501	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
2502		4078
2503	if ($who->flag (FLAG_WIZ)) {	4079	if ($who->flag (FLAG_WIZ)) {
2504	$who->message ("reloading server.");	4080	$who->message ("reloading server.");
2505		4081	async {
2506	# doing reload synchronously and two reloads happen back-to-back,	4082	$Coro::current->{desc} = "perl_reload";
2507	# coro crashes during coro_state_free->destroy here.
2508
2509	$RELOAD_WATCHER ||= Event->timer (
2510	reentrant => 0,
2511	after => 0,
2512	data => WF_AUTOCANCEL,
2513	cb => sub {
2514	reload;	4083	reload_perl;
2515	undef $RELOAD_WATCHER;
2516	},
2517	);	4084	};
2518	}	4085	}
2519	};	4086	};
2520		4087
2521	unshift @INC, $LIBDIR;	4088	#############################################################################
2522		4089
2523	my $bug_warning = 0;	4090	my $bug_warning = 0;
2524		4091
2525	$TICK_WATCHER = Event->timer (	4092	sub wait_for_tick() {
2526	reentrant => 0,	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2527	parked => 1,	4094
2528	prio => 0,	4095	$WAIT_FOR_TICK->wait;
2529	at => $NEXT_TICK || $TICK,	4096	}
2530	data => WF_AUTOCANCEL,	4097
2531	cb => sub {	4098	sub wait_for_tick_begin() {
		4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4100
		4101	my $signal = new Coro::Signal;
		4102	push @WAIT_FOR_TICK_BEGIN, $signal;
		4103	$signal->wait;
		4104	}
		4105
		4106	sub tick {
2532	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
2533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2534	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
2535	return;	4110	return;
2536	}	4111	}
2537		4112
2538	$NOW = Event::time;	4113	cf::one_tick; # one server iteration
2539		4114
2540	cf::server_tick; # one server iteration	4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2541	$RUNTIME += $TICK;
2542	$NEXT_TICK += $TICK;
2543		4116
2544	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2545	$NEXT_RUNTIME_WRITE = $NOW + 10;	4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2546	Coro::async_pool {	4119	Coro::async_pool {
		4120	$Coro::current->{desc} = "runtime saver";
2547	write_runtime	4121	write_runtime_sync
2548	or warn "ERROR: unable to write runtime file: $!";	4122	or error "ERROR: unable to write runtime file: $!";
2549	};
2550	}	4123	};
		4124	}
2551		4125
		4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4127	$sig->send;
		4128	}
2552	$WAIT_FOR_TICK->broadcast;	4129	$WAIT_FOR_TICK->broadcast;
2553	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2554		4130
2555	# my $AFTER = Event::time;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
2556	# warn $AFTER - $NOW;#d#	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2557		4133
2558	# if we are delayed by four ticks or more, skip them all	4134	if (0) {
2559	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4135	if ($NEXT_TICK) {
2560		4136	my $jitter = $TICK_START - $NEXT_TICK;
2561	$TICK_WATCHER->at ($NEXT_TICK);	4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2562	$TICK_WATCHER->start;	4138	debug "jitter $JITTER\n";#d#
		4139	}
2563	},	4140	}
2564	);	4141	}
2565		4142
2566	{	4143	{
2567	BDB::max_poll_time $TICK * 0.1;	4144	# configure BDB
2568	$BDB_POLL_WATCHER = Event->io (	4145
2569	reentrant => 0,
2570	fd => BDB::poll_fileno,
2571	poll => 'r',
2572	prio => 0,
2573	data => WF_AUTOCANCEL,
2574	cb => \&BDB::poll_cb,
2575	);
2576	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
2577		4147	BDB::max_poll_reqs $TICK * 0.1;
2578	BDB::set_sync_prepare {	4148	$AnyEvent::BDB::WATCHER->priority (1);
2579	my $status;
2580	my $current = $Coro::current;
2581	(
2582	sub {
2583	$status = $!;
2584	$current->ready; undef $current;
2585	},
2586	sub {
2587	Coro::schedule while defined $current;
2588	$! = $status;
2589	},
2590	)
2591	};
2592		4149
2593	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
2594	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
		4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2595		4157
2596	cf::sync_job {	4158	cf::sync_job {
2597	eval {	4159	eval {
2598	BDB::db_env_open	4160	BDB::db_env_open
2599	$DB_ENV,	4161	$DB_ENV,
2600	$BDB_ENV_DIR,	4162	$BDBDIR,
2601	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4163	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2602	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4164	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2603	0666;	4165	0666;
2604		4166
2605	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4167	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2606
2607	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2608	$DB_ENV->set_lk_detect;
2609	};	4168	};
2610		4169
2611	cf::cleanup "db_env_open(db): $@" if $@;	4170	cf::cleanup "db_env_open(db): $@" if $@;
2612	};	4171	};
2613	}	4172	}
		4173
		4174	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4175	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4176	};
		4177	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4178	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4179	};
		4180	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4181	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4182	};
2614	}	4183	}
2615		4184
2616	{	4185	{
		4186	# configure IO::AIO
		4187
2617	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
2618
2619	undef $Coro::AIO::WATCHER;
2620	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
2621	$AIO_POLL_WATCHER = Event->io (	4190	undef $AnyEvent::AIO::WATCHER;
2622	reentrant => 0,
2623	data => WF_AUTOCANCEL,
2624	fd => IO::AIO::poll_fileno,
2625	poll => 'r',
2626	prio => 6,
2627	cb => \&IO::AIO::poll_cb,
2628	);
2629	}	4191	}
		4192
		4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
		4195
		4196	sub _log_backtrace {
		4197	my ($msg, @addr) = @_;
		4198
		4199	$msg =~ s/\n$//;
		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4204	# limit the # of concurrent backtraces
		4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
		4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
		4209	async {
		4210	$Coro::current->{desc} = "abt $msg";
		4211
		4212	my @bt = fork_call {
		4213	@addr = map { sprintf "%x", $_ } @addr;
		4214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4216	or die "addr2line: $!";
		4217
		4218	my @funcs;
		4219	my @res = <$fh>;
		4220	chomp for @res;
		4221	while (@res) {
		4222	my ($func, $line) = splice @res, 0, 2, ();
		4223	push @funcs, "[$func] $line";
		4224	}
		4225
		4226	@funcs
		4227	};
		4228
		4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4231	LOG llevInfo, "[ABT] $_\n" for @bt;
		4232	--$_log_backtrace;
		4233	};
		4234	} else {
		4235	LOG llevInfo, "[ABT] $msg\n";
		4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4237	}
		4238	}
		4239
		4240	# load additional modules
		4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
2630		4243
2631	END { cf::emergency_save }	4244	END { cf::emergency_save }
2632		4245
2633	1	4246	1
2634		4247

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