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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.575 by root, Sat Aug 13 20:20:30 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 $runtime = cf::localdir . "/runtime";
360		684
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	685	Executes the given code block with the given arguments in a seperate
362	or return;	686	process, returning the results. Everything must be serialisable with
		687	Coro::Storable. May, of course, block. Note that the executed sub may
		688	never block itself or use any form of event handling.
363		689
364	my $value = $cf::RUNTIME + 90 + 10;	690	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		691
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	692	sub post_fork {
369	and return;	693	reset_signals;
		694	}
370		695
371	# always fsync - this file is important	696	sub fork_call(&@) {
372	aio_fsync $fh	697	my ($cb, @args) = @_;
373	and return;
374		698
375	close $fh	699	# we seemingly have to make a local copy of the whole thing,
376	or return;	700	# otherwise perl prematurely frees the stuff :/
		701	# TODO: investigate and fix (likely this will be rather laborious)
377		702
378	aio_rename "$runtime~", $runtime	703	my @res = Coro::Util::fork_eval {
379	and return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
380		707
		708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
381	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 });
382	}	886	}
383		887
384	=back	888	=back
385		889
386	=cut	890	=cut
387		891
388	#############################################################################	892	#############################################################################
389		893
390	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
391		895
392	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
393	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")
394	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
395		899
396	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>
397	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
398	crossfire+).	902	Deliantra).
399		903
400	=over 4	904	=over 4
401		905
402	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
403		907
…		…
447	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
448		952
449	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
450	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
451		955
452	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
453	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.
454		958
455	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
456		960
457	=over 4	961	=over 4
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
567		1071
568	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		1076
573	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
575		1079
576	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
581		1085
582	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
583	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
584		1088
585	} elsif (ref $type) {	1089	} elsif (ref $type) {
586	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
587		1091
588	} else {	1092	} else {
589	shift @arg;	1093	shift @arg;
590	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
591	}	1095	}
592	}	1096	}
593	}	1097	}
594		1098
595	sub _object_attach {	1099	sub _object_attach {
…		…
605	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
606	}	1110	}
607		1111
608	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
609	} else {	1113	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
611	}	1115	}
612		1116
613	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
614	}	1118	}
615		1119
…		…
617	if (ref $_[0]) {	1121	if (ref $_[0]) {
618	_object_attach @_;	1122	_object_attach @_;
619	} else {	1123	} else {
620	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
621	}	1125	}
		1126	_recalc_want;
622	};	1127	};
623		1128
624	# all those should be optimised	1129	# all those should be optimised
625	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
630	reattach ($obj);	1135	reattach ($obj);
631	} else {	1136	} else {
632	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
633	}	1138	}
		1139	_recalc_want;
634	};	1140	};
635		1141
636	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
638		1144
…		…
653	";	1159	";
654	die if $@;	1160	die if $@;
655	}	1161	}
656		1162
657	our $override;	1163	our $override;
658	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?
659		1165
660	sub override {	1166	sub override {
661	$override = 1;	1167	$override = 1;
662	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
663	}	1169	}
664		1170
665	sub do_invoke {	1171	sub do_invoke {
666	my $event = shift;	1172	my $event = shift;
667	my $callbacks = shift;	1173	my $callbacks = shift;
668		1174
669	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
670		1176
671	local $override;	1177	local $override;
672		1178
673	for (@$callbacks) {	1179	for (@$callbacks) {
674	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
675		1181
676	if ($@) {	1182	if ($@) {
677	warn "$@";
678	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
679	override;	1184	override;
680	}	1185	}
681		1186
682	return 1 if $override;	1187	return 1 if $override;
683	}	1188	}
684		1189
685	0	1190	0
686	}	1191	}
687		1192
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		1194
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		1196
692	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
693		1198
694	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
695	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
696	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		1202
698	=back	1203	=back
699		1204
700	=cut	1205	=cut
701		1206
702	#############################################################################	1207	#############################################################################
703	# 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	}
704		1251
705	sub reattach {	1252	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1254	my ($obj) = @_;
708		1255
		1256	# no longer needed after getting rid of delete_package?
709	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
710		1258
711	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
712		1260
713	@$registry = ();	1261	@$registry = ();
714		1262
…		…
719	for (@$attach) {	1267	for (@$attach) {
720	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
721	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
722	}	1270	}
723	} else {	1271	} else {
724	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
725	}	1273	}
726	}	1274	}
727	}	1275	}
728		1276
729	cf::attachable->attach (	1277	cf::attachable->attach (
730	prio => -1000000,	1278	prio => -1000000,
731	on_instantiate => sub {	1279	on_instantiate => sub {
732	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
733		1281
734	$data = from_json $data;	1282	$data = decode_json $data;
735		1283
736	for (@$data) {	1284	for (@$data) {
737	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
738		1286
739	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1303	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
757		1305
758	sync_job {	1306	sync_job {
759	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
762		1312
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	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	}
767	close $fh;	1320	aio_close $fh;
768		1321
769	if (@$objs) {	1322	if (@$objs) {
770	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) {
771	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
774	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	}
775	close $fh;	1331	aio_close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
777	}	1333	}
778	} else {	1334	} else {
779	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
780	}	1336	}
781		1337
782	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
783	} else {	1342	} else {
784	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
785	}	1344	}
786	} else {	1345	} else {
787	aio_unlink $filename;	1346	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
789	}	1348	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1349	};
797	}	1350	}
798		1351
799	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
801		1354
…		…
806		1359
807	sub object_thawer_load {	1360	sub object_thawer_load {
808	my ($filename) = @_;	1361	my ($filename) = @_;
809		1362
810	my ($data, $av);	1363	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1364
815	(aio_load $filename, $data) >= 0	1365	(aio_load $filename, $data) >= 0
816	or return;	1366	or return;
817		1367
818	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
820	or return;	1370	or return;
		1371
821	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
822	}	1374	}
823		1375
		1376	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
826	return ($data, $av);	1381	($data, $av)
827	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
828		1389
829	#############################################################################	1390	#############################################################################
830	# command handling &c	1391	# command handling &c
831		1392
832	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1407	}
847		1408
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1410
850	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.
851		1416
852	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
853	called.	1418	called.
854		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
855	=cut	1431	=cut
856		1432
857	sub register_extcmd {	1433	sub register_extcmd {
858	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
859		1435
860	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
861	}	1437	}
862		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
863	cf::player->attach (	1447	cf::player->attach (
864	on_command => sub {	1448	on_unknown_command => sub {
865	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
866		1450
867	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
868	or return;	1452	or return;
869		1453
…		…
874	cf::override;	1458	cf::override;
875	},	1459	},
876	on_extcmd => sub {	1460	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
878		1462
879	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1464
881	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
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
887	} else {	1480	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1482	}
890		1483
891	cf::override;	1484	cf::override;
892	},	1485	},
893	);	1486	);
894		1487
		1488	# "readahead" all extensions
895	sub load_extension {	1489	sub cache_extensions {
896	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
897		1491
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
899	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
900	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}	1495	}
923	die $@;
924	}	1496	};
925		1497
926	push @EXTS, $pkg;	1498	$grp
927	}	1499	}
928		1500
929	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
930	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1508	next unless -r $path;
932	eval {	1509
933	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	}
934	1	1573	}
935	} 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	}
936	}	1586	};
937	}	1587	}
938		1588
939	#############################################################################	1589	#############################################################################
940		1590
		1591	=back
		1592
941	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
942		1594
943	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
944		1596
945	=cut	1597	=cut
946		1598
947	package cf::player;	1599	package cf::player;
948		1600
…		…
950		1602
951	=head3 cf::player	1603	=head3 cf::player
952		1604
953	=over 4	1605	=over 4
954		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
955	=item cf::player::find $login	1621	=item cf::player::find $login
956		1622
957	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
958		1624
959	=cut	1625	=cut
960		1626
961	sub playerdir($) {	1627	sub playerdir($) {
962	cf::localdir	1628	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1630	}
968		1631
969	sub path($) {	1632	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1634
972	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
973	}	1636	}
974		1637
975	sub find_active($) {	1638	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
980		1643
981	sub exists($) {	1644	sub exists($) {
982	my ($login) = @_;	1645	my ($login) = @_;
983		1646
984	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
985	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
986	}	1649	}
987		1650
988	sub find($) {	1651	sub find($) {
989	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
990	my $login = $_[0];	1653	my $login = $_[0];
991		1654
992	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
993		1656
994	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
995	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
996	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;
997	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
998	}	1674	}
999	}	1675	}
1000	}	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	);
1001		1690
1002	sub save($) {	1691	sub save($) {
1003	my ($pl) = @_;	1692	my ($pl) = @_;
1004		1693
1005	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1010	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1011		1700
1012	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1014		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
1015	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1016	Coro::cede;	1710	cf::cede_to_tick;
1017	}	1711	}
1018		1712
1019	sub new($) {	1713	sub new($) {
1020	my ($login) = @_;	1714	my ($login) = @_;
1021		1715
…		…
1027	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1028		1722
1029	$self	1723	$self
1030	}	1724	}
1031		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
1032	=item $pl->quit_character	1736	=item $pl->quit_character
1033		1737
1034	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
1035	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1036		1740
1037	=cut	1741	=cut
1038		1742
1039	sub quit_character {	1743	sub quit_character {
1040	my ($pl) = @_;	1744	my ($pl) = @_;
1041		1745
		1746	my $name = $pl->ob->name;
		1747
1042	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1043	$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
1044		1750
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1046	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1047	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1048	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1049		1759
1050	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1763	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1764	$pl->destroy;
		1765
		1766	my $prefix = qr<^~\Q$name\E/>;
		1767
		1768	# nuke player maps
		1769	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1770
1055	IO::AIO::aio_rmtree $temp;	1771	IO::AIO::aio_rmtree $temp;
		1772	}
		1773
		1774	=item $pl->kick
		1775
		1776	Kicks a player out of the game. This destroys the connection.
		1777
		1778	=cut
		1779
		1780	sub kick {
		1781	my ($pl, $kicker) = @_;
		1782
		1783	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1784	$pl->killer ("kicked");
		1785	$pl->ns->destroy;
1056	}	1786	}
1057		1787
1058	=item cf::player::list_logins	1788	=item cf::player::list_logins
1059		1789
1060	Returns am arrayref of all valid playernames in the system, can take a	1790	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1062		1792
1063	=cut	1793	=cut
1064		1794
1065	sub list_logins {	1795	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1797	or return [];
1068		1798
1069	my @logins;	1799	my @logins;
1070		1800
1071	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") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1075		1811
1076	utf8::decode $login;	1812	utf8::decode $login;
1077	push @logins, $login;	1813	push @logins, $login;
1078	}	1814	}
1079		1815
1080	\@logins	1816	\@logins
1081	}	1817	}
1082		1818
1083	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1084		1822
1085	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1086	player. May block.	1824	player. May block.
1087		1825
1088	=cut	1826	=cut
…		…
1106	}	1844	}
1107		1845
1108	\@paths	1846	\@paths
1109	}	1847	}
1110		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1112		1854
1113	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1114		1856
1115	=cut	1857	=cut
1116		1858
1117	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1119		1861
1120	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1863	}
1124		1864
1125	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		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	}
1126		1907
1127	=back	1908	=back
1128
1129		1909
1130	=head3 cf::map	1910	=head3 cf::map
1131		1911
1132	=over 4	1912	=over 4
1133		1913
…		…
1145	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1146	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1147		1927
1148	sub generate_random_map {	1928	sub generate_random_map {
1149	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1150	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1151	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1152	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1153	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1154	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1155	$rmp->{exit_on_final_map},
1156	$rmp->{xsize}, $rmp->{ysize},
1157	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1158	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1159	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1160	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1161	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1162	(cf::region::find $rmp->{region}), $rmp->{custom}
1163	)
1164	}	1934	}
1165		1935
1166	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1167		1937
1168	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
…		…
1173		1943
1174	sub register {	1944	sub register {
1175	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1176	my $pkg = caller;	1946	my $pkg = caller;
1177		1947
1178	no strict;
1179	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1180		1949
1181	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1182	}	1951	}
1183		1952
1184	# also paths starting with '/'	1953	# also paths starting with '/'
1185	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1186		1955
1187	sub thawer_merge {	1956	sub thawer_merge {
1188	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1189		1958
1190	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1191	local $self->{path};	1960	local $self->{path};
1192	local $self->{load_path};	1961	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1962
1196	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1197	}	1964	}
1198		1965
1199	sub normalise {	1966	sub normalise {
1200	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1201		1968
1202	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1203		1970
1204	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1205		1972
1206	# map plan:	1973	# map plan:
1207	#	1974	#
…		…
1222	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1223	$path = "$base/$path";	1990	$path = "$base/$path";
1224	}	1991	}
1225		1992
1226	for ($path) {	1993	for ($path) {
1227	redo if s{//}{/};
1228	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1229	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1230	}	1996	}
1231		1997
1232	$path	1998	$path
…		…
1246	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1247	return $self;	2013	return $self;
1248	}	2014	}
1249	}	2015	}
1250		2016
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1252	()	2018	()
1253	}	2019	}
1254		2020
		2021	# may re-bless or do other evil things
1255	sub init {	2022	sub init {
1256	my ($self) = @_;	2023	my ($self) = @_;
1257		2024
1258	$self	2025	$self
1259	}	2026	}
…		…
1271		2038
1272	# the original (read-only) location	2039	# the original (read-only) location
1273	sub load_path {	2040	sub load_path {
1274	my ($self) = @_;	2041	my ($self) = @_;
1275		2042
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1277	}	2044	}
1278		2045
1279	# the temporary/swap location	2046	# the temporary/swap location
1280	sub save_path {	2047	sub save_path {
1281	my ($self) = @_;	2048	my ($self) = @_;
1282		2049
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1285	}	2052	}
1286		2053
1287	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1288	sub uniq_path {	2055	sub uniq_path {
1289	my ($self) = @_;	2056	my ($self) = @_;
1290		2057
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1293	}	2060	}
1294		2061
1295	# and all this just because we cannot iterate over	2062	sub decay_objects {
1296	# all maps in C++...
1297	sub change_all_map_light {
1298	my ($change) = @_;	2063	my ($self) = @_;
1299		2064
1300	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1301	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1302	}	2068	}
1303		2069
1304	sub unlink_save {	2070	sub unlink_save {
1305	my ($self) = @_;	2071	my ($self) = @_;
1306		2072
1307	utf8::encode (my $save = $self->save_path);	2073	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	2074	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	2075	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	2076	}
1316		2077
1317	sub load_header_from($) {	2078	sub load_header_from($) {
1318	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1319		2080
1320	utf8::encode $path;	2081	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	2083	or return;
1326		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1327	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1328		2092
1329	1	2093	1
1330	}	2094	}
1331		2095
		2096	# used to laod the header of an original map
1332	sub load_header_orig {	2097	sub load_header_orig {
1333	my ($self) = @_;	2098	my ($self) = @_;
1334		2099
1335	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1336	}	2101	}
1337		2102
		2103	# used to laod the header of an instantiated map
1338	sub load_header_temp {	2104	sub load_header_temp {
1339	my ($self) = @_;	2105	my ($self) = @_;
1340		2106
1341	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1342	}	2108	}
1343		2109
		2110	# called after loading the header from an instantiated map
1344	sub prepare_temp {	2111	sub prepare_temp {
1345	my ($self) = @_;	2112	my ($self) = @_;
1346		2113
1347	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1348	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1349	# safety	2116	# safety
1350	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1351	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1352	}	2119	}
1353		2120
		2121	# called after loading the header from an original map
1354	sub prepare_orig {	2122	sub prepare_orig {
1355	my ($self) = @_;	2123	my ($self) = @_;
1356		2124
1357	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1358	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1369	$self->load_header_orig	2137	$self->load_header_orig
1370	or return;	2138	or return;
1371	$self->prepare_orig;	2139	$self->prepare_orig;
1372	}	2140	}
1373		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 $self->default_region;
		2147
1374	1	2148	1
1375	}	2149	}
1376		2150
1377	sub find;	2151	sub find;
1378	sub find {	2152	sub find {
1379	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1380		2154
		2155	cf::cede_to_tick;
		2156
1381	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1382		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1384		2161
1385	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";
1387	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1388	or return;	2164	or return;
1389		2165
1390	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1391		2167
1392	$map->load_header	2168	$map->load_header
1393	or return;	2169	or return;
1394		2170
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1398	$map->reset;	2176	$map->reset;
1399	undef $guard;
1400	return find $path;	2177	return find $path;
1401	}	2178	}
1402		2179
1403	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1404	}	2181	}
1405	}	2182	}
1406		2183
1407	sub pre_load { }	2184	sub pre_load { }
1408	sub post_load { }	2185	#sub post_load { } # XS
1409		2186
1410	sub load {	2187	sub load {
1411	my ($self) = @_;	2188	my ($self) = @_;
1412		2189
1413	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1414		2191
1415	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1417		2196
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1419		2199
1420	$self->in_memory (cf::MAP_LOADING);
1421
1422	$self->alloc;	2200	$self->alloc;
1423		2201
1424	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1425		2204
1426	$self->_load_objects ($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)
1427	or return;	2209	or return;
1428		2210
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1430	if delete $self->{load_original};	2212	if delete $self->{load_original};
1431		2213
1432	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2215	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2218	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1437	}	2223	}
1438	}
1439		2224
1440	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1441		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1442	# now do the right thing for maps	2234	# now do the right thing for maps
1443	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2237	unless $self->difficulty;
1453	Coro::cede;	2238	cf::cede_to_tick;
1454	$self->activate;	2239
		2240	unless ($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);
1455	}	2250	}
1456		2251
1457	$self->post_load;	2252	$self->post_load;
1458		2253
1459	$self->in_memory (cf::MAP_IN_MEMORY);	2254	1
1460	}	2255	}
1461		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1462	sub customise_for {	2260	sub customise_for {
1463	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1464		2262
1465	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2264	if $self->per_player;
1467		2265
		2266	# return find "?party/" . $ob->name . "/" . $self->{path}
		2267	# if $self->per_party;
		2268
1468	$self	2269	$self
1469	}
1470
1471	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {
1473	my ($map) = @_;
1474
1475	my @diag; # diagonal neighbours
1476
1477	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)
1479	or next;
1480	$neigh = find $neigh, $map
1481	or next;
1482	$neigh->load;
1483
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}
1487
1488	for (@diag) {
1489	my $neigh = find @$_
1490	or next;
1491	$neigh->load;
1492	}
1493	}	2270	}
1494		2271
1495	sub find_sync {	2272	sub find_sync {
1496	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1497		2274
1498	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, $origin
1499	}	2280	}
1500		2281
1501	sub do_load_sync {	2282	sub do_load_sync {
1502	my ($map) = @_;	2283	my ($map) = @_;
1503		2284
1504	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;
1505	}	2290	}
1506		2291
1507	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1509		2294
1510	sub find_async {	2295	sub find_async {
1511	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1512		2297
1513	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1514		2299
1515	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1517	}	2302	}
1518		2303
1519	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1520	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1521	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2311	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2312	$map->load if $v;
		2313	}
1526		2314
1527	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1528	}	2316	}
1529	}	2317	}
1530	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1531	};	2319	};
1532	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1533		2321
1534	()	2322	()
1535	}	2323	}
1536		2324
		2325	# common code, used by both ->save and ->swapout
1537	sub save {	2326	sub _save {
1538	my ($self) = @_;	2327	my ($self) = @_;
1539
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;
1541		2328
1542	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1543		2330
1544	return unless $self->dirty;	2331	return unless $self->dirty;
1545		2332
…		…
1551	return if $self->{deny_save};	2338	return if $self->{deny_save};
1552		2339
1553	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1554		2341
1555	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
1557	};	2345	};
		2346
		2347	cf::get_slot 0.02;
1558		2348
1559	if ($uniq) {	2349	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1561	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1562	} else {	2352	} else {
1563	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1564	}	2354	}
1565	}	2355	}
1566		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
1567	sub swap_out {	2365	sub swap_out {
1568	my ($self) = @_;	2366	my ($self) = @_;
1569		2367
1570	# save first because save cedes
1571	$self->save;
1572
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
1575	return if $self->players;	2372	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;
1577	return if $self->{deny_save};
1578		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
1579	$self->clear;	2383	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2384	}
1582		2385
1583	sub reset_at {	2386	sub reset_at {
1584	my ($self) = @_;	2387	my ($self) = @_;
1585		2388
1586	# TODO: safety, remove and allow resettable per-player maps	2389	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2390	return 1e99 if $self->{deny_reset};
1589		2391
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2394
…		…
1603	my ($self) = @_;	2405	my ($self) = @_;
1604		2406
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2408
1607	return if $self->players;	2409	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2410
1610	warn "resetting map ", $self->path;#d#	2411	cf::trace "resetting map ", $self->path, "\n";
1611		2412
1612	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
1613		2414
1614	# need to save uniques path	2415	# need to save uniques path
1615	unless ($self->{deny_save}) {	2416	unless ($self->{deny_save}) {
1616	my $uniq = $self->uniq_path; utf8::encode $uniq;	2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
1617		2418
…		…
1619	if $uniq;	2420	if $uniq;
1620	}	2421	}
1621		2422
1622	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
1623		2424
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2427	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2428
1628	$self->unlink_save;	2429	$self->unlink_save;
1629	$self->destroy;	2430	$self->destroy;
1630	}	2431	}
1631		2432
1632	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
1633		2434
1634	sub nuke {	2435	sub nuke {
1635	my ($self) = @_;	2436	my ($self) = @_;
1636		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
1637	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
1638		2442
1639	$self->unlink_save;	2443	$self->unlink_save;
1640		2444
1641	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
1642	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2450
1647	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
1648		2453
1649	$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	]
1650	}	2491	}
1651		2492
1652	=item cf::map::unique_maps	2493	=item cf::map::unique_maps
1653		2494
1654	Returns an arrayref of paths of all shared maps that have	2495	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2496	instantiated unique items. May block.
1656		2497
1657	=cut	2498	=cut
1658		2499
1659	sub unique_maps() {	2500	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2501	[
1661	or return;	2502	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2503	utf8::decode $_;
1667	next if /\.pst$/;	2504	s/\.map$//; # TODO future compatibility hack
1668	next unless /^$PATH_SEP/o;	2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1669		2506	? ()
1670	push @paths, cf::map::normalise $_;	2507	: normalise $_
		2508	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2509	]
1672
1673	\@paths
1674	}	2510	}
1675		2511
1676	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	}
1677		2543
1678	=back	2544	=back
1679		2545
1680	=head3 cf::object	2546	=head3 cf::object
1681		2547
…		…
1685		2551
1686	=over 4	2552	=over 4
1687		2553
1688	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
1689		2555
1690	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.
1691		2558
1692	=cut	2559	=cut
1693		2560
1694	sub inv_recursive_;	2561	sub inv_recursive_;
1695	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
1698		2565
1699	sub inv_recursive {	2566	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
1701	}	2568	}
1702		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
1703	package cf;	2598	package cf;
1704		2599
1705	=back	2600	=back
1706		2601
1707	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
1713	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>
1714	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
1715	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
1716		2611
1717	=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	};
1718		2627
1719	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
1720	# with dialog boxes.	2629	# with dialog boxes.
1721	#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
1722	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
1724		2633
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2635
1727	if ($self->{record_replies}) {	2636	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2638
1729	} 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 {
1730	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2649	}
1732	}	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 (@_);
1733	}	2661	}
1734		2662
1735	=item $player_object->may ("access")	2663	=item $player_object->may ("access")
1736		2664
1737	Returns wether the given player is authorized to access resource "access"	2665	Returns wether the given player is authorized to access resource "access"
…		…
1750		2678
1751	=item $player_object->enter_link	2679	=item $player_object->enter_link
1752		2680
1753	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}>).
1754		2682
1755	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.
1756	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.
1757		2687
1758	Will never block.	2688	Will never block.
1759		2689
1760	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
1761		2691
…		…
1781	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
1782	my ($self) = @_;	2712	my ($self) = @_;
1783		2713
1784	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
1785		2715
		2716	++$self->{_link_recursion};
		2717
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2719
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2721	if $self->map && $self->map->{path} ne "{link}";
1790		2722
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1792	}	2724	}
1793		2725
1794	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
		2728
		2729	return unless $self->contr->active;
1796		2730
1797	my $link_pos = delete $self->{_link_pos};	2731	my $link_pos = delete $self->{_link_pos};
1798		2732
1799	unless ($map) {	2733	unless ($map) {
1800	# restore original map position	2734	# restore original map position
…		…
1811	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
1812	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
1813		2747
1814	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
1817		2751
1818	$map->load;	2752	$map->load;
1819	$map->load_diag;
1820		2753
1821	return unless $self->contr->active;	2754	return unless $self->contr->active;
1822	$self->activate_recursive;
1823		2755
1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
1826	}	2758	# entering was successful
1827		2759	delete $self->{_link_recursion};
1828	cf::player->attach (	2760	# only activate afterwards, to support waiting in hooks
1829	on_logout => sub {	2761	$self->activate_recursive;
1830	my ($pl) = @_;
1831
1832	# abort map switching before logout
1833	if ($pl->ob->{_link_pos}) {
1834	cf::sync_job {
1835	$pl->ob->leave_link
1836	};
1837	}
1838	},	2762	}
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2763
1842	# try to abort aborted map switching on player login :)	2764	}
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	# we need this sleep as the login has a concurrent enter_exit running
1852	# and this sleep increases chances of the player not ending up in scorn
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2765
1860	=item $player_object->goto ($path, $x, $y)	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1861		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
1862	=cut	2777	=cut
		2778
		2779	our $GOTOGEN;
1863		2780
1864	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
1865	my ($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;
1866		2792
1867	$self->enter_link;	2793	$self->enter_link;
1868		2794
1869	(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
1870	my $map = eval {	2817	my $map = eval {
1871	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2819
		2820	if ($map) {
1872	$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
1873	$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 $@;
1874	} or	2833	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2834
		2835	if ($gen == $self->{_goto_generation}) {
		2836	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
		2838	}
		2839
		2840	$done->($self) if $done;
1878	})->prio (1);	2841	})->prio (1);
1879	}	2842	}
1880		2843
1881	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
1882		2845
…		…
1902	}	2865	}
1903		2866
1904	sub prepare_random_map {	2867	sub prepare_random_map {
1905	my ($exit) = @_;	2868	my ($exit) = @_;
1906		2869
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2872	# that depends on the exit object
1912		2873
1913	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2876	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
1920	}	2883	}
1921		2884
1922	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
1923		2886
1924	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
1927		2890
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2893	undef $fh;
1931	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
1932		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
1935	}	2902	}
1936	}	2903	}
1937		2904
1938	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
1940		2907
1941	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
1942		2909
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2910	$self->enter_link;
1953		2911
1954	(async {	2912	(async {
1955	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
1956	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
1957	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
1958		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
1959	1;	2951	1
1960	}) {	2952	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "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. "
1963	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2957
1966	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
1967	$self->leave_link;	2959	$self->leave_link;
1968	}	2960	}
1969	})->prio (1);	2961	})->prio (1);
1970	}	2962	}
1971		2963
…		…
1982		2974
1983	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
1985		2977
1986	utf8::encode $text;	2978	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2980	}
1989		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	}
1990		3203
1991	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
1992		3205
1993	Queues a query to the client, calling the given callback with	3206	Queues a query to the client, calling the given callback with
1994	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>,
1995	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>.
1996		3209
1997	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
1998	reliable at some point in the future.	3211	become reliable at some point in the future.
1999		3212
2000	=cut	3213	=cut
2001		3214
2002	sub cf::client::query {	3215	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	3216	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	3224	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3225	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		3226
2014	$self->send_packet ($self->{query_queue}[0][0])	3227	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	3228	if @{ $self->{query_queue} } == 1;
		3229
		3230	1
2016	}	3231	}
2017		3232
2018	cf::client->attach (	3233	cf::client->attach (
		3234	on_connect => sub {
		3235	my ($ns) = @_;
		3236
		3237	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3238	},
2019	on_reply => sub {	3239	on_reply => sub {
2020	my ($ns, $msg) = @_;	3240	my ($ns, $msg) = @_;
2021		3241
2022	# this weird shuffling is so that direct followup queries	3242	# this weird shuffling is so that direct followup queries
2023	# get handled first	3243	# get handled first
…		…
2035	} else {	3255	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3256	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	3257	}
2038	}	3258	}
2039	},	3259	},
		3260	on_exticmd => sub {
		3261	my ($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	},
2040	);	3286	);
2041		3287
2042	=item $client->async (\&cb)	3288	=item $client->async (\&cb)
2043		3289
2044	Create a new coroutine, running the specified callback. The coroutine will	3290	Create a new coroutine, running the specified callback. The coroutine will
…		…
2060		3306
2061	$coro	3307	$coro
2062	}	3308	}
2063		3309
2064	cf::client->attach (	3310	cf::client->attach (
2065	on_destroy => sub {	3311	on_client_destroy => sub {
2066	my ($ns) = @_;	3312	my ($ns) = @_;
2067		3313
2068	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2069	},	3315	},
2070	);	3316	);
…		…
2085	our $safe = new Safe "safe";	3331	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2087		3333
2088	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2089		3335
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3336	$safe->permit_only (Opcode::opset qw(
		3337	:base_core :base_mem :base_orig :base_math :base_loop
		3338	grepstart grepwhile mapstart mapwhile
		3339	sort time
		3340	));
2091		3341
2092	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
2093		3343
2094	=pod	3344	=pod
2095		3345
2096	The following fucntions and emthods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2097		3347
2098	cf::object contr pay_amount pay_player map	3348	cf::object
		3349	contr pay_amount pay_player map x y force_find force_add destroy
		3350	insert remove name archname title slaying race decrease split
		3351	value
		3352
2099	cf::object::player player	3353	cf::object::player
2100	cf::player peaceful	3354	player
2101	cf::map trigger	3355
		3356	cf::player
		3357	peaceful
		3358
		3359	cf::map
		3360	trigger
2102		3361
2103	=cut	3362	=cut
2104		3363
2105	for (	3364	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2107	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2109	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2110	) {	3371	) {
2111	no strict 'refs';
2112	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2113	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2114	for @funs;	3374	for @funs;
2115	}	3375	}
2116		3376
…		…
2131		3391
2132	my $qcode = $code;	3392	my $qcode = $code;
2133	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2134	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2135		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2136	local $_;	3399	local $_;
2137	local @safe::cf::_safe_eval_args = values %vars;
2138		3400
2139	my $eval =	3401	my $eval =
2140	"do {\n"	3402	"do {\n"
2141	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2142	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2143	. $code	3405	. $code
2144	. "\n}"	3406	. "\n}"
2145	;	3407	;
2146		3408
		3409	if ($CFG{safe_eval}) {
2147	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2148	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2149	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2150		3418
2151	if ($@) {	3419	if ($@) {
2152	warn "$@";	3420	warn "$@",
2153	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2154	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2155	}	3423	}
2156		3424
2157	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2158	}	3426	}
2159		3427
…		…
2173	=cut	3441	=cut
2174		3442
2175	sub register_script_function {	3443	sub register_script_function {
2176	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2177		3445
2178	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2179	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2180	}	3448	}
2181		3449
2182	=back	3450	=back
2183		3451
2184	=cut	3452	=cut
2185
2186	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257		3453
2258	#############################################################################	3454	#############################################################################
2259	# the server's init and main functions	3455	# the server's init and main functions
2260		3456
		3457	sub load_facedata($) {
		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, $v);
		3552	}
		3553	};
		3554
2261	sub load_resources {	3555	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	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"
2263	or die "unable to load regions file\n";#d#	3571	or die "unable to load regions file\n";
2264	}
2265		3572
2266	sub cfg_load {	3573	for (cf::region::list) {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3574	$_->{match} = qr/$_->{match}/
2268	or return;	3575	if exists $_->{match};
		3576	}
		3577	}
2269		3578
2270	local $/;	3579	sub reload_facedata {
2271	*CFG = YAML::Syck::Load <$fh>;	3580	load_facedata "$DATADIR/facedata"
		3581	or die "unable to load facedata\n";
		3582	}
2272		3583
		3584	sub reload_archetypes {
		3585	load_resource_file "$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
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2274		3636
2275	$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};
2276	$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};
2277		3639
2278	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
2282	};	3644	};
2283	warn $@ if $@;	3645	warn $@ if $@;
2284	}	3646	}
2285	}	3647	}
2286		3648
2287	sub init {	3649	sub pidfile() {
2288	load_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;
2289	}	3675	}
2290		3676
2291	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
2292	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
2294	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#
2295	(async {	3690	(async {
2296	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
2298	};	3694	};
2299		3695
2300	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;
2301	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
2302	load_extensions;	3719	load_extensions;
2303		3720
2304	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
2305	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	AE::postpone {
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
2306	}	3738	}
2307		3739
2308	#############################################################################	3740	#############################################################################
2309	# initialisation and cleanup	3741	# initialisation and cleanup
2310		3742
2311	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
2312	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
2321	},
2322	);	3749	};
		3750	}
		3751	}
		3752
		3753	sub write_runtime_sync {
		3754	my $t0 = AE::time;
		3755
		3756	# first touch the runtime file to show we are still running:
		3757	# the fsync below can take a very very long time.
		3758
		3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3760
		3761	my $guard = cf::lock_acquire "write_runtime";
		3762
		3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3764	or return;
		3765
		3766	my $value = $cf::RUNTIME + 90 + 10;
		3767	# 10 is the runtime save interval, for a monotonic clock
		3768	# 60 allows for the watchdog to kill the server.
		3769
		3770	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3771	and return;
		3772
		3773	# always fsync - this file is important
		3774	aio_fsync $fh
		3775	and return;
		3776
		3777	# touch it again to show we are up-to-date
		3778	aio_utime $fh, undef, undef;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3784	and return;
		3785
		3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3787
2323	}	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
2324	}	3839	}
2325		3840
2326	sub emergency_save() {	3841	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
2328		3843
2329	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
2330		3850
2331	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
2332	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
2333	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
2334	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
2336	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3860	$pl->valid or next;
		3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3862	$pl->save;
2340	}	3863	}
2341	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
2342		3865
2343	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
2344	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
2345	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
2346	$map->valid or next;	3871	$map->valid or next;
2347	$map->save;	3872	$map->save;
2348	}	3873	}
2349	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
2350		3875
2351	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
2352	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
2353	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
2354	};	3904	};
2355		3905
2356	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
2357	}	3907	}
2358		3908
2359	sub post_cleanup {	3909	sub post_cleanup {
2360	my ($make_core) = @_;	3910	my ($make_core) = @_;
2361		3911
		3912	IO::AIO::flush;
		3913
2362	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3915	if $make_core;
2364	}
2365		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
		3944	}
		3945
2366	sub reload() {	3946	sub do_reload_perl() {
2367	# can/must only be called in main	3947	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
2369	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
2370	return;	3950	return;
2371	}	3951	}
2372		3952
2373	warn "reloading...";	3953	return if $RELOAD++;
2374		3954
2375	warn "entering sync_job";	3955	my $t1 = AE::time;
2376		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
2377	cf::sync_job {	3963	cf::sync_job {
2378	cf::write_runtime; # external watchdog should not bark
2379	cf::emergency_save;	3964	#cf::emergency_save;
2380	cf::write_runtime; # external watchdog should not bark
2381		3965
2382	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;
2384
2385	# if anything goes wrong in here, we should simply crash as we already saved
2386
2387	warn "cancelling all WF_AUTOCANCEL watchers";
2388	for (Event::all_watchers) {
2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2390	}
2391
2392	warn "flushing outstanding aio requests";
2393	for (;;) {
2394	BDB::flush;
2395	IO::AIO::flush;
2396	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";
2399	}
2400
2401	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	3968	%EXT_CORO = ();
2404		3969
2405	warn "removing commands";	3970	trace "perl_reload: removing commands";
2406	%COMMAND = ();	3971	%COMMAND = ();
2407		3972
2408	warn "removing ext commands";	3973	trace "perl_reload: removing ext/exti commands";
2409	%EXTCMD = ();	3974	%EXTCMD = ();
		3975	%EXTICMD = ();
2410		3976
2411	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
2414		3980
2415	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
2416	eval {	3982	eval {
2417	$cb->($pkg);	3983	$cb->($pkg);
2418	1	3984	1
2419	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
2420	}	3990	}
2421		3991
2422	warn "... nuking $pkg";
2423	Symbol::delete_package $pkg;
2424	}
2425
2426	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2427	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
2428	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2429		3995
2430	warn "... unloading $k";	3996	trace "... unloading $k";
2431	delete $INC{$k};	3997	delete $INC{$k};
2432		3998
2433	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
2434	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
2435		4001
2436	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
2437	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
2438	}	4007	}
2439		4008
2440	Symbol::delete_package $k;
2441	}
2442
2443	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
2444	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		4012
2447	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
		4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2449		4016
2450	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
2451	# and global variables created in xs	4018	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
2453		4020
2454	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
2455		4022
2456	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
2457	require cf;	4024	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
2459		4026
2460	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
2461	cf::cfg_load;	4028	cf::reload_config;
2462		4029
2463	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
2464	cf::load_extensions;	4031	cf::load_extensions;
2465		4032
		4033	if ($REATTACH_ON_RELOAD) {
2466	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
2467	_global_reattach;	4035	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
2469	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
		4038	trace "perl_reload: reattaching attachments to players";
		4039	reattach $_ for values %PLAYER;
		4040	}
2470		4041
2471	warn "loading reloadable resources";	4042	cf::_post_init 1;
2472	load_resources;
2473		4043
2474	warn "leaving sync_job";	4044	trace "perl_reload: leaving sync_job";
2475		4045
2476	1	4046	1
2477	} or do {	4047	} or do {
2478	warn $@;	4048	error $@;
2479	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
2480	exit 1;	4050	};
		4051
		4052	--$RELOAD;
		4053	}
		4054
		4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
		4057	};
		4058
		4059	our $RELOAD_WATCHER; # used only during reload
		4060
		4061	sub reload_perl() {
		4062	# doing reload synchronously and two reloads happen back-to-back,
		4063	# coro crashes during coro_state_free->destroy here.
		4064
		4065	$RELOAD_WATCHER ||= cf::async {
		4066	Coro::AIO::aio_wait cache_extensions;
		4067
		4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4069	do_reload_perl;
		4070	undef $RELOAD_WATCHER;
		4071	};
2481	};	4072	};
2482		4073	}
2483	warn "reloaded";
2484	};
2485
2486	our $RELOAD_WATCHER; # used only during reload
2487		4074
2488	register_command "reload" => sub {	4075	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
2490		4077
2491	if ($who->flag (FLAG_WIZ)) {	4078	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	4079	$who->message ("reloading server.");
2493		4080	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	4081	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	4082	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	4083	};
2506	}	4084	}
2507	};	4085	};
2508		4086
2509	unshift @INC, $LIBDIR;	4087	#############################################################################
2510		4088
2511	my $bug_warning = 0;	4089	my $bug_warning = 0;
2512		4090
2513	$TICK_WATCHER = Event->timer (	4091	sub wait_for_tick() {
2514	reentrant => 0,	4092	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2515	parked => 1,	4093
2516	prio => 0,	4094	$WAIT_FOR_TICK->wait;
2517	at => $NEXT_TICK || $TICK,	4095	}
2518	data => WF_AUTOCANCEL,	4096
2519	cb => sub {	4097	sub wait_for_tick_begin() {
		4098	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4099
		4100	my $signal = new Coro::Signal;
		4101	push @WAIT_FOR_TICK_BEGIN, $signal;
		4102	$signal->wait;
		4103	}
		4104
		4105	sub tick {
2520	if ($Coro::current != $Coro::main) {	4106	if ($Coro::current != $Coro::main) {
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4107	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	4108	unless ++$bug_warning > 10;
2523	return;	4109	return;
2524	}	4110	}
2525		4111
2526	$NOW = Event::time;	4112	cf::one_tick; # one server iteration
2527		4113
2528	cf::server_tick; # one server iteration	4114	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2529	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;
2531		4115
2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$NEXT_RUNTIME_WRITE = $NOW + 10;	4117	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2534	Coro::async_pool {	4118	Coro::async_pool {
		4119	$Coro::current->{desc} = "runtime saver";
2535	write_runtime	4120	write_runtime_sync
2536	or warn "ERROR: unable to write runtime file: $!";	4121	or error "ERROR: unable to write runtime file: $!";
2537	};
2538	}	4122	};
		4123	}
2539		4124
2540		4125	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4126	$sig->send;
		4127	}
2541	$WAIT_FOR_TICK->broadcast;	4128	$WAIT_FOR_TICK->broadcast;
2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543		4129
2544	# my $AFTER = Event::time;	4130	$LOAD = ($NOW - $TICK_START) / $TICK;
2545	# warn $AFTER - $NOW;#d#	4131	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2546		4132
2547	# if we are delayed by four ticks or more, skip them all	4133	if (0) {
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4134	if ($NEXT_TICK) {
2549		4135	my $jitter = $TICK_START - $NEXT_TICK;
2550	$TICK_WATCHER->at ($NEXT_TICK);	4136	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2551	$TICK_WATCHER->start;	4137	debug "jitter $JITTER\n";#d#
		4138	}
2552	},	4139	}
2553	);	4140	}
2554		4141
2555	{	4142	{
2556	BDB::max_poll_time $TICK * 0.1;	4143	# configure BDB
2557	$BDB_POLL_WATCHER = Event->io (	4144
2558	reentrant => 0,
2559	fd => BDB::poll_fileno,
2560	poll => 'r',
2561	prio => 0,
2562	data => WF_AUTOCANCEL,
2563	cb => \&BDB::poll_cb,
2564	);
2565	BDB::min_parallel 8;	4145	BDB::min_parallel 16;
2566		4146	BDB::max_poll_reqs $TICK * 0.1;
2567	BDB::set_sync_prepare {	4147	#$AnyEvent::BDB::WATCHER->priority (1);
2568	my $status;
2569	my $current = $Coro::current;
2570	(
2571	sub {
2572	$status = $!;
2573	$current->ready; undef $current;
2574	},
2575	sub {
2576	Coro::schedule while defined $current;
2577	$! = $status;
2578	},
2579	)
2580	};
2581		4148
2582	unless ($DB_ENV) {	4149	unless ($DB_ENV) {
2583	$DB_ENV = BDB::db_env_create;	4150	$DB_ENV = BDB::db_env_create;
		4151	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4152	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4153	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4154	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4155	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2584		4156
2585	cf::sync_job {	4157	cf::sync_job {
2586	eval {	4158	eval {
2587	BDB::db_env_open	4159	BDB::db_env_open
2588	$DB_ENV,	4160	$DB_ENV,
2589	$BDB_ENV_DIR,	4161	$BDBDIR,
2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4162	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4163	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592	0666;	4164	0666;
2593		4165
2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4166	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595
2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597	$DB_ENV->set_lk_detect;
2598	};	4167	};
2599		4168
2600	cf::cleanup "db_env_open(db): $@" if $@;	4169	cf::cleanup "db_env_open(db): $@" if $@;
2601	};	4170	};
2602	}	4171	}
		4172
		4173	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4174	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4175	};
		4176	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4177	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4178	};
		4179	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4180	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4181	};
2603	}	4182	}
2604		4183
2605	{	4184	{
		4185	# configure IO::AIO
		4186
2606	IO::AIO::min_parallel 8;	4187	IO::AIO::min_parallel 8;
2607
2608	undef $Coro::AIO::WATCHER;
2609	IO::AIO::max_poll_time $TICK * 0.1;	4188	IO::AIO::max_poll_time $TICK * 0.1;
2610	$AIO_POLL_WATCHER = Event->io (	4189	undef $AnyEvent::AIO::WATCHER;
2611	reentrant => 0,
2612	data => WF_AUTOCANCEL,
2613	fd => IO::AIO::poll_fileno,
2614	poll => 'r',
2615	prio => 6,
2616	cb => \&IO::AIO::poll_cb,
2617	);
2618	}	4190	}
		4191
		4192	our $_log_backtrace;
		4193	our $_log_backtrace_last;
		4194
		4195	sub _log_backtrace {
		4196	my ($msg, @addr) = @_;
		4197
		4198	$msg =~ s/\n$//;
		4199
		4200	if ($_log_backtrace_last eq $msg) {
		4201	LOG llevInfo, "[ABT] $msg\n";
		4202	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4203	# limit the # of concurrent backtraces
		4204	} elsif ($_log_backtrace < 2) {
		4205	$_log_backtrace_last = $msg;
		4206	++$_log_backtrace;
		4207	my $perl_bt = Carp::longmess $msg;
		4208	async {
		4209	$Coro::current->{desc} = "abt $msg";
		4210
		4211	my @bt = fork_call {
		4212	@addr = map { sprintf "%x", $_ } @addr;
		4213	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4214	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4215	or die "addr2line: $!";
		4216
		4217	my @funcs;
		4218	my @res = <$fh>;
		4219	chomp for @res;
		4220	while (@res) {
		4221	my ($func, $line) = splice @res, 0, 2, ();
		4222	push @funcs, "[$func] $line";
		4223	}
		4224
		4225	@funcs
		4226	};
		4227
		4228	LOG llevInfo, "[ABT] $perl_bt\n";
		4229	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4230	LOG llevInfo, "[ABT] $_\n" for @bt;
		4231	--$_log_backtrace;
		4232	};
		4233	} else {
		4234	LOG llevInfo, "[ABT] $msg\n";
		4235	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4236	}
		4237	}
		4238
		4239	# load additional modules
		4240	require "cf/$_.pm" for @EXTRA_MODULES;
		4241	cf::_connect_to_perl_2;
2619		4242
2620	END { cf::emergency_save }	4243	END { cf::emergency_save }
2621		4244
2622	1	4245	1
2623		4246

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