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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.571 by root, Wed May 4 19:04:45 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
48	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
49	our @EVENT;	93	our @EVENT;
50	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
51		96
52	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
53	our $TICK_WATCHER;	98
54	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(!)
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	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;
57	our $NOW;	138	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		139
60	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
61	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
62
63	our %CFG;
64
65	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;
67
68	our %PLAYER; # all users
69	our %MAP; # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		143
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
80	binmode STDOUT;	160	binmode STDOUT;
81	binmode STDERR;	161	binmode STDERR;
82		162
83	# read virtual server time, if available	163	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
85	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
86	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
87	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
88	}	168	}
89		169
90	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
91	mkdir cf::localdir . "/" . cf::playerdir;	171
92	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
93	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		174
97	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
98		176
99	sub cf::map::normalise;	177	sub cf::map::normalise;
100		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
101	#############################################################################	183	#############################################################################
102		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
103	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
104		197
105	=over 4	198	=over 4
106		199
107	=item $cf::UPTIME	200	=item $cf::UPTIME
108		201
109	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.
110		218
111	=item $cf::RUNTIME	219	=item $cf::RUNTIME
112		220
113	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
114	every server tick.	222	every server tick.
115		223
116	=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
117		227
118	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		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
121	=item $cf::NOW	239	=item $cf::LOAD
122		240
123	The time of the last (current) server tick.	241	The raw value load value from the last tick.
124
125	=item $cf::TICK
126
127	The interval between server ticks, in seconds.
128		242
129	=item %cf::CFG	243	=item %cf::CFG
130		244
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	246	from wherever your confdir points to.
133		247
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		249
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
138	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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.
140		282
141	=back	283	=back
142		284
143	=cut	285	=cut
144		286
145	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
146	*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 {
147	my $msg = join "", @_;	294	my $msg = join "", @_;
148	utf8::encode $msg;
149		295
150	$msg .= "\n"	296	$msg .= "\n"
151	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
152		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
153	LOG llevError, $msg;	301	LOG llevWarn, $msg;
154	};	302	};
155	}	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	};
156		317
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@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';
162	@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)
163		325
164	# 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
165	# within the Safe compartment.	327	# within the Safe compartment.
166	for my $pkg (qw(	328	for my $pkg (qw(
167	cf::global cf::attachable	329	cf::global cf::attachable
168	cf::object cf::object::player	330	cf::object cf::object::player
169	cf::client cf::player	331	cf::client cf::player
170	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
171	cf::map cf::party cf::region	334	cf::party cf::region
172	)) {	335	)) {
173	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	337	}
176		338
177	$Event::DIED = sub {	339	$EV::DIED = sub {
178	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
179	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
180		349
181	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
182		351
183	=over 4	352	=over 4
184		353
…		…
203	$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;
204	$d	373	$d
205	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
206	}	375	}
207		376
208	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
209		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
210	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
211		392
212	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
213		394
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
222		396
223	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
224		398
225	=cut	399	=cut
226		400
227	sub to_json($) {	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	402
229	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	}
230	}	466	}
231		467
232	=item cf::lock_wait $string	468	=item cf::lock_wait $string
233		469
234	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
235		471
236	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
237		473
238	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
239	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,
240	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
241	returned.	477	returned.
242		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
243	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
244	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
245		484
246	=cut	485	=item $locked = cf::lock_active $string
247		486
248	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;
249		492
250	sub lock_wait($) {	493	sub lock_wait($) {
251	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
252
253	# wait for lock, if any
254	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;
257	}
258	}	495	}
259		496
260	sub lock_acquire($) {	497	sub lock_acquire($) {
261	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
262		500
263	# wait, to be sure we are not locked	501	sub lock_active($) {
264	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
265
266	$LOCK{$key} = [];
267
268	Coro::guard {
269	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };
271	}
272	}	503	}
273		504
274	sub freeze_mainloop {	505	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
276		507
277	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
278	$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	}
279	};	578	}
280	$TICK_WATCHER->stop;	579	};
281	$guard	580
		581	sub get_slot($;$$) {
		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;
282	}	594	}
283		595
284	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
285		597
286	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
291		603
292	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
293		605
294	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
295		607
296	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
297	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
298	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.
299		612
300	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
301	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
302	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
303	fast or be very important.	616	fast or be very important.
…		…
305	=cut	618	=cut
306		619
307	sub sync_job(&) {	620	sub sync_job(&) {
308	my ($job) = @_;	621	my ($job) = @_;
309		622
310	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
311	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
313		628
314	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
315	# (but this is cancel-safe)	630
316	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
317		632
318	my $busy = 1;	633	my $busy = 1;
319	my @res;	634	my @res;
320		635
321	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	638	@res = eval { $job->() };
323	warn $@ if $@;	639	error $@ if $@;
324	undef $busy;	640	undef $busy;
325	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
326		642
327	while ($busy) {	643	while ($busy) {
328	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
329	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
330		654
331	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
332	} else {	656	} else {
333	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
334		658
…		…
354	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
355		679
356	$coro	680	$coro
357	}	681	}
358		682
359	sub write_runtime {	683	=item fork_call { }, @args
360	my $guard = cf::lock_acquire "write_runtime";
361		684
362	my $runtime = cf::localdir . "/runtime";	685	Executes the given code block with the given arguments in a seperate
		686	process, returning the results. Everything must be serialisable with
		687	Coro::Storable. May, of course, block. Note that the executed sub may
		688	never block itself or use any form of event handling.
363		689
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	=cut
365	or return;
366		691
367	my $value = $cf::RUNTIME + 90 + 10;	692	sub post_fork {
368	# 10 is the runtime save interval, for a monotonic clock	693	reset_signals;
369	# 60 allows for the watchdog to kill the server.	694	}
370		695
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	696	sub fork_call(&@) {
372	and return;	697	my ($cb, @args) = @_;
373		698
374	# always fsync - this file is important	699	# we seemingly have to make a local copy of the whole thing,
375	aio_fsync $fh	700	# otherwise perl prematurely frees the stuff :/
376	and return;	701	# TODO: investigate and fix (likely this will be rather laborious)
377		702
378	close $fh	703	my @res = Coro::Util::fork_eval {
379	or return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
380		707
381	aio_rename "$runtime~", $runtime	708	wantarray ? @res : $res[-1]
382	and return;	709	}
383		710
		711	sub objinfo {
384	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 });
385	}	886	}
386		887
387	=back	888	=back
388		889
389	=cut	890	=cut
390		891
391	#############################################################################	892	#############################################################################
392		893
393	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
394		895
395	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
396	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")
397	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
398		899
399	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>
400	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
401	crossfire+).	902	Deliantra).
402		903
403	=over 4	904	=over 4
404		905
405	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
406		907
…		…
450	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
451		952
452	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
453	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
454		955
455	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		958
458	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
459		960
460	=over 4	961	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
570		1071
571	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1076
576	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
578		1079
579	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
584		1085
585	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1088
588	} elsif (ref $type) {	1089	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
590		1091
591	} else {	1092	} else {
592	shift @arg;	1093	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
594	}	1095	}
595	}	1096	}
596	}	1097	}
597		1098
598	sub _object_attach {	1099	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
609	}	1110	}
610		1111
611	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
612	} else {	1113	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1115	}
615		1116
616	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
617	}	1118	}
618		1119
…		…
620	if (ref $_[0]) {	1121	if (ref $_[0]) {
621	_object_attach @_;	1122	_object_attach @_;
622	} else {	1123	} else {
623	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
624	}	1125	}
		1126	_recalc_want;
625	};	1127	};
626		1128
627	# all those should be optimised	1129	# all those should be optimised
628	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1135	reattach ($obj);
634	} else {	1136	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
636	}	1138	}
		1139	_recalc_want;
637	};	1140	};
638		1141
639	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
641		1144
…		…
656	";	1159	";
657	die if $@;	1160	die if $@;
658	}	1161	}
659		1162
660	our $override;	1163	our $override;
661	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?
662		1165
663	sub override {	1166	sub override {
664	$override = 1;	1167	$override = 1;
665	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
666	}	1169	}
667		1170
668	sub do_invoke {	1171	sub do_invoke {
669	my $event = shift;	1172	my $event = shift;
670	my $callbacks = shift;	1173	my $callbacks = shift;
671		1174
672	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
673		1176
674	local $override;	1177	local $override;
675		1178
676	for (@$callbacks) {	1179	for (@$callbacks) {
677	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
678		1181
679	if ($@) {	1182	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1184	override;
683	}	1185	}
684		1186
685	return 1 if $override;	1187	return 1 if $override;
686	}	1188	}
687		1189
688	0	1190	0
689	}	1191	}
690		1192
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1194
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1196
695	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
696		1198
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1202
701	=back	1203	=back
702		1204
703	=cut	1205	=cut
704		1206
705	#############################################################################	1207	#############################################################################
706	# 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	}
707		1251
708	sub reattach {	1252	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1254	my ($obj) = @_;
711		1255
		1256	# no longer needed after getting rid of delete_package?
712	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
713		1258
714	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
715		1260
716	@$registry = ();	1261	@$registry = ();
717		1262
…		…
722	for (@$attach) {	1267	for (@$attach) {
723	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
725	}	1270	}
726	} else {	1271	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1273	}
729	}	1274	}
730	}	1275	}
731		1276
732	cf::attachable->attach (	1277	cf::attachable->attach (
733	prio => -1000000,	1278	prio => -1000000,
734	on_instantiate => sub {	1279	on_instantiate => sub {
735	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
736		1281
737	$data = from_json $data;	1282	$data = decode_json $data;
738		1283
739	for (@$data) {	1284	for (@$data) {
740	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
741		1286
742	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1303	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
760		1305
761	sync_job {	1306	sync_job {
762	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
765		1312
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	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	}
770	close $fh;	1320	aio_close $fh;
771		1321
772	if (@$objs) {	1322	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
777	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	}
778	close $fh;	1331	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
780	}	1333	}
781	} else {	1334	} else {
782	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
783	}	1336	}
784		1337
785	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1342	} else {
787	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
788	}	1344	}
789	} else {	1345	} else {
790	aio_unlink $filename;	1346	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
792	}	1348	}
793	}	1349	};
794	}	1350	}
795		1351
796	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
798		1354
…		…
810	or return;	1366	or return;
811		1367
812	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
814	or return;	1370	or return;
		1371
815	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
816	}	1374	}
817		1375
		1376	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
820	return ($data, $av);	1381	($data, $av)
821	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
822		1389
823	#############################################################################	1390	#############################################################################
824	# command handling &c	1391	# command handling &c
825		1392
826	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1407	}
841		1408
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1410
844	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.
845		1416
846	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
847	called.	1418	called.
848		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
849	=cut	1431	=cut
850		1432
851	sub register_extcmd {	1433	sub register_extcmd {
852	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
853		1435
854	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
855	}	1437	}
856		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
857	cf::player->attach (	1447	cf::player->attach (
858	on_command => sub {	1448	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
860		1450
861	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
862	or return;	1452	or return;
863		1453
…		…
868	cf::override;	1458	cf::override;
869	},	1459	},
870	on_extcmd => sub {	1460	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
872		1462
873	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1464
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1473	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1474	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
881	} else {	1480	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1482	}
884		1483
885	cf::override;	1484	cf::override;
886	},	1485	},
887	);	1486	);
888		1487
		1488	# "readahead" all extensions
889	sub load_extension {	1489	sub cache_extensions {
890	my ($path) = @_;	1490	my $grp = IO::AIO::aio_group;
891		1491
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1493	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}	1495	}
917	die $@;
918	}	1496	};
919		1497
920	push @EXTS, $pkg;	1498	$grp
921	}	1499	}
922		1500
923	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
		1504	cf::sync_job {
		1505	my %todo;
		1506
924	for my $ext (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1508	next unless -r $path;
926	eval {	1509
927	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	}
928	1	1573	}
929	} 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	}
930	}	1586	};
931	}	1587	}
932		1588
933	#############################################################################	1589	#############################################################################
934		1590
		1591	=back
		1592
935	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
936		1594
937	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
938		1596
939	=cut	1597	=cut
940		1598
941	package cf::player;	1599	package cf::player;
942		1600
…		…
944		1602
945	=head3 cf::player	1603	=head3 cf::player
946		1604
947	=over 4	1605	=over 4
948		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
949	=item cf::player::find $login	1621	=item cf::player::find $login
950		1622
951	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
952		1624
953	=cut	1625	=cut
954		1626
955	sub playerdir($) {	1627	sub playerdir($) {
956	cf::localdir	1628	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1629	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1630	}
962		1631
963	sub path($) {	1632	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1633	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1634
966	(playerdir $login) . "/$login.pl"	1635	(playerdir $login) . "/playerdata"
967	}	1636	}
968		1637
969	sub find_active($) {	1638	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1639	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1640	and $cf::PLAYER{$_[0]}->active
…		…
974		1643
975	sub exists($) {	1644	sub exists($) {
976	my ($login) = @_;	1645	my ($login) = @_;
977		1646
978	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
980	}	1649	}
981		1650
982	sub find($) {	1651	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1653	my $login = $_[0];
985		1654
986	my $guard = cf::lock_acquire "user_find:$login";	1655	my $guard = cf::lock_acquire "user_find:$login";
987		1656
988	$cf::PLAYER{$_[0]} || do {	1657	$cf::PLAYER{$_[0]} || do {
989	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
990	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;
991	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
992	}	1674	}
993	}	1675	}
994	}	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	);
995		1690
996	sub save($) {	1691	sub save($) {
997	my ($pl) = @_;	1692	my ($pl) = @_;
998		1693
999	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1004	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1005		1700
1006	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1008		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
1009	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1010	Coro::cede;	1710	cf::cede_to_tick;
1011	}	1711	}
1012		1712
1013	sub new($) {	1713	sub new($) {
1014	my ($login) = @_;	1714	my ($login) = @_;
1015		1715
…		…
1021	$cf::PLAYER{$login} = $self;	1721	$cf::PLAYER{$login} = $self;
1022		1722
1023	$self	1723	$self
1024	}	1724	}
1025		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
1026	=item $pl->quit_character	1736	=item $pl->quit_character
1027		1737
1028	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
1029	be destroyed. May block for a long time.	1739	be destroyed. May block for a long time.
1030		1740
…		…
1034	my ($pl) = @_;	1744	my ($pl) = @_;
1035		1745
1036	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1037		1747
1038	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1039	$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
1040		1750
1041	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1042	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1043	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1044	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1045		1759
1046	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1047	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1048	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1077	while and may block, so not sync_job-capable, ever.	1791	while and may block, so not sync_job-capable, ever.
1078		1792
1079	=cut	1793	=cut
1080		1794
1081	sub list_logins {	1795	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1796	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1797	or return [];
1084		1798
1085	my @logins;	1799	my @logins;
1086		1800
1087	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") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1091		1811
1092	utf8::decode $login;	1812	utf8::decode $login;
1093	push @logins, $login;	1813	push @logins, $login;
1094	}	1814	}
1095		1815
1096	\@logins	1816	\@logins
1097	}	1817	}
1098		1818
1099	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1100		1822
1101	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1102	player. May block.	1824	player. May block.
1103		1825
1104	=cut	1826	=cut
…		…
1122	}	1844	}
1123		1845
1124	\@paths	1846	\@paths
1125	}	1847	}
1126		1848
		1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1850
		1851	Expand deliantra pod fragments into protocol xml.
		1852
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1853	=item $player->ext_reply ($msgid, @msg)
1128		1854
1129	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1130		1856
1131	=cut	1857	=cut
1132		1858
1133	sub ext_reply($$$%) {	1859	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1860	my ($self, $id, @msg) = @_;
1135		1861
1136	$msg{msgid} = $id;	1862	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1863	}
1140		1864
1141	package cf;	1865	=item $player->ext_msg ($type, @msg)
		1866
		1867	Sends an ext event to the client.
		1868
		1869	=cut
		1870
		1871	sub ext_msg($$@) {
		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	}
1142		1907
1143	=back	1908	=back
1144
1145		1909
1146	=head3 cf::map	1910	=head3 cf::map
1147		1911
1148	=over 4	1912	=over 4
1149		1913
…		…
1161	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1162	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1163		1927
1164	sub generate_random_map {	1928	sub generate_random_map {
1165	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1166	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1167	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1168	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1169	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1170	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1171	$rmp->{exit_on_final_map},
1172	$rmp->{xsize}, $rmp->{ysize},
1173	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1174	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1175	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1176	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1177	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1178	(cf::region::find $rmp->{region}), $rmp->{custom}
1179	)
1180	}	1934	}
1181		1935
1182	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1183		1937
1184	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
…		…
1189		1943
1190	sub register {	1944	sub register {
1191	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1192	my $pkg = caller;	1946	my $pkg = caller;
1193		1947
1194	no strict;
1195	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1196		1949
1197	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1198	}	1951	}
1199		1952
1200	# also paths starting with '/'	1953	# also paths starting with '/'
1201	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1202		1955
1203	sub thawer_merge {	1956	sub thawer_merge {
1204	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1205		1958
1206	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
1207	local $self->{path};	1960	local $self->{path};
1208	local $self->{load_path};	1961	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1962
1212	$self->SUPER::thawer_merge ($merge);	1963	$self->SUPER::thawer_merge ($merge);
1213	}	1964	}
1214		1965
1215	sub normalise {	1966	sub normalise {
1216	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1217		1968
1218	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1219		1970
1220	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1221		1972
1222	# map plan:	1973	# map plan:
1223	#	1974	#
…		…
1238	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1239	$path = "$base/$path";	1990	$path = "$base/$path";
1240	}	1991	}
1241		1992
1242	for ($path) {	1993	for ($path) {
1243	redo if s{//}{/};
1244	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1245	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1246	}	1996	}
1247		1997
1248	$path	1998	$path
…		…
1262	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1263	return $self;	2013	return $self;
1264	}	2014	}
1265	}	2015	}
1266		2016
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1268	()	2018	()
1269	}	2019	}
1270		2020
		2021	# may re-bless or do other evil things
1271	sub init {	2022	sub init {
1272	my ($self) = @_;	2023	my ($self) = @_;
1273		2024
1274	$self	2025	$self
1275	}	2026	}
…		…
1287		2038
1288	# the original (read-only) location	2039	# the original (read-only) location
1289	sub load_path {	2040	sub load_path {
1290	my ($self) = @_;	2041	my ($self) = @_;
1291		2042
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2043	"$MAPDIR/$self->{path}.map"
1293	}	2044	}
1294		2045
1295	# the temporary/swap location	2046	# the temporary/swap location
1296	sub save_path {	2047	sub save_path {
1297	my ($self) = @_;	2048	my ($self) = @_;
1298		2049
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2051	"$TMPDIR/$path.map"
1301	}	2052	}
1302		2053
1303	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1304	sub uniq_path {	2055	sub uniq_path {
1305	my ($self) = @_;	2056	my ($self) = @_;
1306		2057
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2059	"$UNIQUEDIR/$path"
1309	}	2060	}
1310		2061
1311	# and all this just because we cannot iterate over	2062	sub decay_objects {
1312	# all maps in C++...
1313	sub change_all_map_light {
1314	my ($change) = @_;	2063	my ($self) = @_;
1315		2064
1316	$_->change_map_light ($change)	2065	return if $self->{deny_reset};
1317	for grep $_->outdoor, values %cf::MAP;	2066
		2067	$self->do_decay_objects;
1318	}	2068	}
1319		2069
1320	sub unlink_save {	2070	sub unlink_save {
1321	my ($self) = @_;	2071	my ($self) = @_;
1322		2072
…		…
1327		2077
1328	sub load_header_from($) {	2078	sub load_header_from($) {
1329	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1330		2080
1331	utf8::encode $path;	2081	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	or return;	2083	or return;
1337		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1338	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1339		2092
1340	1	2093	1
1341	}	2094	}
1342		2095
		2096	# used to laod the header of an original map
1343	sub load_header_orig {	2097	sub load_header_orig {
1344	my ($self) = @_;	2098	my ($self) = @_;
1345		2099
1346	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1347	}	2101	}
1348		2102
		2103	# used to laod the header of an instantiated map
1349	sub load_header_temp {	2104	sub load_header_temp {
1350	my ($self) = @_;	2105	my ($self) = @_;
1351		2106
1352	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1353	}	2108	}
1354		2109
		2110	# called after loading the header from an instantiated map
1355	sub prepare_temp {	2111	sub prepare_temp {
1356	my ($self) = @_;	2112	my ($self) = @_;
1357		2113
1358	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1359	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1360	# safety	2116	# safety
1361	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1362	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1363	}	2119	}
1364		2120
		2121	# called after loading the header from an original map
1365	sub prepare_orig {	2122	sub prepare_orig {
1366	my ($self) = @_;	2123	my ($self) = @_;
1367		2124
1368	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1369	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1380	$self->load_header_orig	2137	$self->load_header_orig
1381	or return;	2138	or return;
1382	$self->prepare_orig;	2139	$self->prepare_orig;
1383	}	2140	}
1384		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 $self->default_region;
		2147
1385	1	2148	1
1386	}	2149	}
1387		2150
1388	sub find;	2151	sub find;
1389	sub find {	2152	sub find {
1390	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1391		2154
		2155	cf::cede_to_tick;
		2156
1392	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1393		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1395		2161
1396	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1397	my $guard = cf::lock_acquire "map_find:$path";
1398	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1399	or return;	2164	or return;
1400		2165
1401	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1402		2167
1403	$map->load_header	2168	$map->load_header
1404	or return;	2169	or return;
1405		2170
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1409	$map->reset;	2176	$map->reset;
1410	undef $guard;
1411	return find $path;	2177	return find $path;
1412	}	2178	}
1413		2179
1414	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1415	}	2181	}
1416	}	2182	}
1417		2183
1418	sub pre_load { }	2184	sub pre_load { }
1419	sub post_load { }	2185	#sub post_load { } # XS
1420		2186
1421	sub load {	2187	sub load {
1422	my ($self) = @_;	2188	my ($self) = @_;
1423		2189
1424	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1425		2191
1426	my $path = $self->{path};	2192	my $path = $self->{path};
		2193
		2194	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1428		2196
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2197	return unless $self->valid;
		2198	return unless $self->state == cf::MAP_SWAPPED;
1430		2199
1431	$self->in_memory (cf::MAP_LOADING);
1432
1433	$self->alloc;	2200	$self->alloc;
1434		2201
1435	$self->pre_load;	2202	$self->pre_load;
		2203	cf::cede_to_tick;
1436		2204
1437	$self->_load_objects ($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)
1438	or return;	2209	or return;
1439		2210
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1441	if delete $self->{load_original};	2212	if delete $self->{load_original};
1442		2213
1443	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2215	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2218	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1448	}	2223	}
1449	}
1450		2224
1451	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
1452		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1453	# now do the right thing for maps	2234	# now do the right thing for maps
1454	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2237	unless $self->difficulty;
1464	Coro::cede;	2238	cf::cede_to_tick;
1465	$self->activate;	2239
		2240	unless ($self->{deny_activate}) {
		2241	$self->decay_objects;
		2242	$self->fix_auto_apply;
		2243	$self->update_buttons;
		2244	$self->post_load_physics;
		2245	cf::cede_to_tick;
		2246	#$self->activate; # no longer activate maps automatically
		2247	}
		2248
		2249	$self->{last_save} = $cf::RUNTIME;
		2250	$self->last_access ($cf::RUNTIME);
1466	}	2251	}
1467		2252
1468	$self->post_load;	2253	$self->post_load;
1469		2254
1470	$self->in_memory (cf::MAP_IN_MEMORY);	2255	1
1471	}	2256	}
1472		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
1473	sub customise_for {	2261	sub customise_for {
1474	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
1475		2263
1476	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2265	if $self->per_player;
1478		2266
		2267	# return find "?party/" . $ob->name . "/" . $self->{path}
		2268	# if $self->per_party;
		2269
1479	$self	2270	$self
1480	}	2271	}
1481		2272
1482	# find and load all maps in the 3x3 area around a map	2273	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2274	sub load_neighbours {
1484	my ($map) = @_;	2275	my ($map) = @_;
1485		2276
1486	my @diag; # diagonal neighbours	2277	my @neigh; # diagonal neighbours
1487		2278
1488	for (0 .. 3) {	2279	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2280	my $neigh = $map->tile_path ($_)
1490	or next;	2281	or next;
1491	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
1492	or next;	2283	or next;
1493	$neigh->load;	2284	$neigh->load;
1494		2285
		2286	# now find the diagonal neighbours
		2287	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2290	}
1498		2291
1499	for (@diag) {	2292	for (grep defined $_->[0], @neigh) {
		2293	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2294	my $neigh = find $path, $origin
1501	or next;	2295	or next;
1502	$neigh->load;	2296	$neigh->load;
1503	}	2297	}
1504	}	2298	}
1505		2299
1506	sub find_sync {	2300	sub find_sync {
1507	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
1508		2302
1509	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
1510	}	2308	}
1511		2309
1512	sub do_load_sync {	2310	sub do_load_sync {
1513	my ($map) = @_;	2311	my ($map) = @_;
1514		2312
1515	cf::sync_job { $map->load };	2313	# it's a bug to call this from the main context
		2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2315	if $Coro::current == $Coro::main;
		2316
		2317	$map->load;
1516	}	2318	}
1517		2319
1518	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
1520		2322
1521	sub find_async {	2323	sub find_async {
1522	my ($path, $origin) = @_;	2324	my ($path, $origin, $load) = @_;
1523		2325
1524	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
1525		2327
1526	if (my $map = $cf::MAP{$path}) {	2328	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2329	return $map if !$load || $map->linkable;
1528	}	2330	}
1529		2331
1530	undef $MAP_PREFETCH{$path};	2332	$MAP_PREFETCH{$path} |= $load;
		2333
1531	$MAP_PREFETCHER ||= cf::async {	2334	$MAP_PREFETCHER ||= cf::async {
		2335	$Coro::current->{desc} = "map prefetcher";
		2336
1532	while (%MAP_PREFETCH) {	2337	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2338	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2339	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2340	$map->load if $v;
		2341	}
1537		2342
1538	delete $MAP_PREFETCH{$path};	2343	delete $MAP_PREFETCH{$k};
1539	}	2344	}
1540	}	2345	}
1541	undef $MAP_PREFETCHER;	2346	undef $MAP_PREFETCHER;
1542	};	2347	};
1543	$MAP_PREFETCHER->prio (6);	2348	$MAP_PREFETCHER->prio (6);
1544		2349
1545	()	2350	()
1546	}	2351	}
1547		2352
		2353	# common code, used by both ->save and ->swapout
1548	sub save {	2354	sub _save {
1549	my ($self) = @_;	2355	my ($self) = @_;
1550
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;
1552		2356
1553	$self->{last_save} = $cf::RUNTIME;	2357	$self->{last_save} = $cf::RUNTIME;
1554		2358
1555	return unless $self->dirty;	2359	return unless $self->dirty;
1556		2360
…		…
1562	return if $self->{deny_save};	2366	return if $self->{deny_save};
1563		2367
1564	local $self->{last_access} = $self->last_access;#d#	2368	local $self->{last_access} = $self->last_access;#d#
1565		2369
1566	cf::async {	2370	cf::async {
		2371	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2372	$_->contr->save for $self->players;
1568	};	2373	};
		2374
		2375	cf::get_slot 0.02;
1569		2376
1570	if ($uniq) {	2377	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2378	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1572	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2379	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1573	} else {	2380	} else {
1574	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2381	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1575	}	2382	}
1576	}	2383	}
1577		2384
		2385	sub save {
		2386	my ($self) = @_;
		2387
		2388	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2389
		2390	$self->_save;
		2391	}
		2392
1578	sub swap_out {	2393	sub swap_out {
1579	my ($self) = @_;	2394	my ($self) = @_;
1580		2395
1581	# save first because save cedes
1582	$self->save;
1583
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2396	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2397
		2398	return if !$self->linkable;
		2399	return if $self->{deny_save};
1586	return if $self->players;	2400	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};
1589		2401
		2402	# first deactivate the map and "unlink" it from the core
		2403	$self->deactivate;
		2404	$_->clear_links_to ($self) for values %cf::MAP;
		2405	$self->state (cf::MAP_SWAPPED);
		2406
		2407	# then atomically save
		2408	$self->_save;
		2409
		2410	# then free the map
1590	$self->clear;	2411	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2412	}
1593		2413
1594	sub reset_at {	2414	sub reset_at {
1595	my ($self) = @_;	2415	my ($self) = @_;
1596		2416
1597	# TODO: safety, remove and allow resettable per-player maps	2417	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2418	return 1e99 if $self->{deny_reset};
1600		2419
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2420	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2421	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2422
…		…
1614	my ($self) = @_;	2433	my ($self) = @_;
1615		2434
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2435	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2436
1618	return if $self->players;	2437	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2438
1621	warn "resetting map ", $self->path;#d#	2439	cf::trace "resetting map ", $self->path, "\n";
1622		2440
1623	$self->in_memory (cf::MAP_SWAPPED);	2441	$self->state (cf::MAP_SWAPPED);
1624		2442
1625	# need to save uniques path	2443	# need to save uniques path
1626	unless ($self->{deny_save}) {	2444	unless ($self->{deny_save}) {
1627	my $uniq = $self->uniq_path; utf8::encode $uniq;	2445	my $uniq = $self->uniq_path; utf8::encode $uniq;
1628		2446
…		…
1630	if $uniq;	2448	if $uniq;
1631	}	2449	}
1632		2450
1633	delete $cf::MAP{$self->path};	2451	delete $cf::MAP{$self->path};
1634		2452
		2453	$self->deactivate;
		2454	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2455	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2456
1639	$self->unlink_save;	2457	$self->unlink_save;
1640	$self->destroy;	2458	$self->destroy;
1641	}	2459	}
1642		2460
1643	my $nuke_counter = "aaaa";	2461	my $nuke_counter = "aaaa";
1644		2462
1645	sub nuke {	2463	sub nuke {
1646	my ($self) = @_;	2464	my ($self) = @_;
1647		2465
		2466	{
		2467	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2468
1648	delete $cf::MAP{$self->path};	2469	delete $cf::MAP{$self->path};
1649		2470
1650	$self->unlink_save;	2471	$self->unlink_save;
1651		2472
1652	bless $self, "cf::map";	2473	bless $self, "cf::map::wrap";
1653	delete $self->{deny_reset};	2474	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2475	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2476	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2477	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2478
1658	$cf::MAP{$self->path} = $self;	2479	$cf::MAP{$self->path} = $self;
		2480	}
1659		2481
1660	$self->reset; # polite request, might not happen	2482	$self->reset; # polite request, might not happen
		2483	}
		2484
		2485	=item $maps = cf::map::tmp_maps
		2486
		2487	Returns an arrayref with all map paths of currently instantiated and saved
		2488	maps. May block.
		2489
		2490	=cut
		2491
		2492	sub tmp_maps() {
		2493	[
		2494	map {
		2495	utf8::decode $_;
		2496	/\.map$/
		2497	? normalise $_
		2498	: ()
		2499	} @{ aio_readdir $TMPDIR or [] }
		2500	]
		2501	}
		2502
		2503	=item $maps = cf::map::random_maps
		2504
		2505	Returns an arrayref with all map paths of currently instantiated and saved
		2506	random maps. May block.
		2507
		2508	=cut
		2509
		2510	sub random_maps() {
		2511	[
		2512	map {
		2513	utf8::decode $_;
		2514	/\.map$/
		2515	? normalise "?random/$_"
		2516	: ()
		2517	} @{ aio_readdir $RANDOMDIR or [] }
		2518	]
1661	}	2519	}
1662		2520
1663	=item cf::map::unique_maps	2521	=item cf::map::unique_maps
1664		2522
1665	Returns an arrayref of paths of all shared maps that have	2523	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2524	instantiated unique items. May block.
1667		2525
1668	=cut	2526	=cut
1669		2527
1670	sub unique_maps() {	2528	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2529	[
1672	or return;	2530	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2531	utf8::decode $_;
1678	next if /\.pst$/;	2532	s/\.map$//; # TODO future compatibility hack
1679	next unless /^$PATH_SEP/o;	2533	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1680		2534	? ()
1681	push @paths, cf::map::normalise $_;	2535	: normalise $_
		2536	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2537	]
1683
1684	\@paths
1685	}	2538	}
1686		2539
1687	package cf;	2540	=item cf::map::static_maps
		2541
		2542	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2543	file in the shared directory excluding F</styles> and F</editor>). May
		2544	block.
		2545
		2546	=cut
		2547
		2548	sub static_maps() {
		2549	my @dirs = "";
		2550	my @maps;
		2551
		2552	while (@dirs) {
		2553	my $dir = shift @dirs;
		2554
		2555	next if $dir eq "/styles" || $dir eq "/editor";
		2556
		2557	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2558	or return;
		2559
		2560	for (@$files) {
		2561	s/\.map$// or next;
		2562	utf8::decode $_;
		2563	push @maps, "$dir/$_";
		2564	}
		2565
		2566	push @dirs, map "$dir/$_", @$dirs;
		2567	}
		2568
		2569	\@maps
		2570	}
1688		2571
1689	=back	2572	=back
1690		2573
1691	=head3 cf::object	2574	=head3 cf::object
1692		2575
…		…
1696		2579
1697	=over 4	2580	=over 4
1698		2581
1699	=item $ob->inv_recursive	2582	=item $ob->inv_recursive
1700		2583
1701	Returns the inventory of the object _and_ their inventories, recursively.	2584	Returns the inventory of the object I<and> their inventories, recursively,
		2585	but I<not> the object itself.
1702		2586
1703	=cut	2587	=cut
1704		2588
1705	sub inv_recursive_;	2589	sub inv_recursive_;
1706	sub inv_recursive_ {	2590	sub inv_recursive_ {
…		…
1709		2593
1710	sub inv_recursive {	2594	sub inv_recursive {
1711	inv_recursive_ inv $_[0]	2595	inv_recursive_ inv $_[0]
1712	}	2596	}
1713		2597
		2598	=item $ref = $ob->ref
		2599
		2600	Creates and returns a persistent reference to an object that can be stored as a string.
		2601
		2602	=item $ob = cf::object::deref ($refstring)
		2603
		2604	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2605	even if the object actually exists. May block.
		2606
		2607	=cut
		2608
		2609	sub deref {
		2610	my ($ref) = @_;
		2611
		2612	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2613	my ($uuid, $name) = ($1, $2);
		2614	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2615	or return;
		2616	$pl->ob->uuid eq $uuid
		2617	or return;
		2618
		2619	$pl->ob
		2620	} else {
		2621	warn "$ref: cannot resolve object reference\n";
		2622	undef
		2623	}
		2624	}
		2625
1714	package cf;	2626	package cf;
1715		2627
1716	=back	2628	=back
1717		2629
1718	=head3 cf::object::player	2630	=head3 cf::object::player
…		…
1724	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1725	can be C<undef>. Does the right thing when the player is currently in a	2637	can be C<undef>. Does the right thing when the player is currently in a
1726	dialogue with the given NPC character.	2638	dialogue with the given NPC character.
1727		2639
1728	=cut	2640	=cut
		2641
		2642	our $SAY_CHANNEL = {
		2643	id => "say",
		2644	title => "Map",
		2645	reply => "say ",
		2646	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2647	};
		2648
		2649	our $CHAT_CHANNEL = {
		2650	id => "chat",
		2651	title => "Chat",
		2652	reply => "chat ",
		2653	tooltip => "Player chat and shouts, global to the server.",
		2654	};
1729		2655
1730	# rough implementation of a future "reply" method that works	2656	# rough implementation of a future "reply" method that works
1731	# with dialog boxes.	2657	# with dialog boxes.
1732	#TODO: the first argument must go, split into a $npc->reply_to ( method	2658	#TODO: the first argument must go, split into a $npc->reply_to ( method
1733	sub cf::object::player::reply($$$;$) {	2659	sub cf::object::player::reply($$$;$) {
…		…
1735		2661
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2662	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2663
1738	if ($self->{record_replies}) {	2664	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2665	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2666
1740	} else {	2667	} else {
		2668	my $pl = $self->contr;
		2669
		2670	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2671	my $dialog = $pl->{npc_dialog};
		2672	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2673
		2674	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2675	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2676	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2677	}
1743	}	2678	}
		2679	}
		2680
		2681	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2682
		2683	=cut
		2684
		2685	sub cf::object::send_msg {
		2686	my $pl = shift->contr
		2687	or return;
		2688	$pl->send_msg (@_);
1744	}	2689	}
1745		2690
1746	=item $player_object->may ("access")	2691	=item $player_object->may ("access")
1747		2692
1748	Returns wether the given player is authorized to access resource "access"	2693	Returns wether the given player is authorized to access resource "access"
…		…
1761		2706
1762	=item $player_object->enter_link	2707	=item $player_object->enter_link
1763		2708
1764	Freezes the player and moves him/her to a special map (C<{link}>).	2709	Freezes the player and moves him/her to a special map (C<{link}>).
1765		2710
1766	The player should be reasonably safe there for short amounts of time. You	2711	The player should be reasonably safe there for short amounts of time (e.g.
1767	I<MUST> call C<leave_link> as soon as possible, though.	2712	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2713	though, as the player cannot control the character while it is on the link
		2714	map.
1768		2715
1769	Will never block.	2716	Will never block.
1770		2717
1771	=item $player_object->leave_link ($map, $x, $y)	2718	=item $player_object->leave_link ($map, $x, $y)
1772		2719
…		…
1792	sub cf::object::player::enter_link {	2739	sub cf::object::player::enter_link {
1793	my ($self) = @_;	2740	my ($self) = @_;
1794		2741
1795	$self->deactivate_recursive;	2742	$self->deactivate_recursive;
1796		2743
		2744	++$self->{_link_recursion};
		2745
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2746	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2747
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2748	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2749	if $self->map && $self->map->{path} ne "{link}";
1801		2750
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2751	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1803	}	2752	}
1804		2753
1805	sub cf::object::player::leave_link {	2754	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2755	my ($self, $map, $x, $y) = @_;
		2756
		2757	return unless $self->contr->active;
1807		2758
1808	my $link_pos = delete $self->{_link_pos};	2759	my $link_pos = delete $self->{_link_pos};
1809		2760
1810	unless ($map) {	2761	unless ($map) {
1811	# restore original map position	2762	# restore original map position
…		…
1822	($x, $y) = (-1, -1)	2773	($x, $y) = (-1, -1)
1823	unless (defined $x) && (defined $y);	2774	unless (defined $x) && (defined $y);
1824		2775
1825	# use -1 or undef as default coordinates, not 0, 0	2776	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2777	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2778	if $x <= 0 && $y <= 0;
1828		2779
1829	$map->load;	2780	$map->load;
1830	$map->load_diag;	2781	$map->load_neighbours;
1831		2782
1832	return unless $self->contr->active;	2783	return unless $self->contr->active;
1833	$self->activate_recursive;
1834		2784
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2785	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2786	if ($self->enter_map ($map, $x, $y)) {
1837	}	2787	# entering was successful
1838		2788	delete $self->{_link_recursion};
1839	cf::player->attach (	2789	# only activate afterwards, to support waiting in hooks
1840	on_logout => sub {	2790	$self->activate_recursive;
1841	my ($pl) = @_;
1842
1843	# abort map switching before logout
1844	if ($pl->ob->{_link_pos}) {
1845	cf::sync_job {
1846	$pl->ob->leave_link
1847	};
1848	}
1849	},	2791	}
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2792
1853	# try to abort aborted map switching on player login :)	2793	}
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870		2794
1871	=item $player_object->goto ($path, $x, $y)	2795	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1872		2796
		2797	Moves the player to the given map-path and coordinates by first freezing
		2798	her, loading and preparing them map, calling the provided $check callback
		2799	that has to return the map if sucecssful, and then unfreezes the player on
		2800	the new (success) or old (failed) map position. In either case, $done will
		2801	be called at the end of this process.
		2802
		2803	Note that $check will be called with a potentially non-loaded map, so if
		2804	it needs a loaded map it has to call C<< ->load >>.
		2805
1873	=cut	2806	=cut
		2807
		2808	our $GOTOGEN;
1874		2809
1875	sub cf::object::player::goto {	2810	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2811	my ($self, $path, $x, $y, $check, $done) = @_;
		2812
		2813	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2814	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2815	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2816	($path, $x, $y) = @$EMERGENCY_POSITION;
		2817	}
		2818
		2819	# do generation counting so two concurrent goto's will be executed in-order
		2820	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2821
1878	$self->enter_link;	2822	$self->enter_link;
1879		2823
1880	(async {	2824	(async {
		2825	$Coro::current->{desc} = "player::goto $path $x $y";
		2826
		2827	# *tag paths override both path and x|y
		2828	if ($path =~ /^\*(.*)$/) {
		2829	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2830	my $ob = $obs[rand @obs];
		2831
		2832	# see if we actually can go there
		2833	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2834	$ob = $obs[rand @obs];
		2835	} else {
		2836	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2837	}
		2838	# else put us there anyways for now #d#
		2839
		2840	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2841	} else {
		2842	($path, $x, $y) = (undef, undef, undef);
		2843	}
		2844	}
		2845
1881	my $map = eval {	2846	my $map = eval {
1882	my $map = cf::map::find $path;	2847	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2848
		2849	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2850	$map = $map->customise_for ($self);
		2851	$map = $check->($map, $x, $y, $self) if $check && $map;
		2852	} else {
		2853	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2854	}
		2855
1884	$map	2856	$map
		2857	};
		2858
		2859	if ($@) {
		2860	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2861	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2862	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2863
		2864	if ($gen == $self->{_goto_generation}) {
		2865	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2866	$self->leave_link ($map, $x, $y);
		2867	}
		2868
		2869	$done->($self) if $done;
1889	})->prio (1);	2870	})->prio (1);
1890	}	2871	}
1891		2872
1892	=item $player_object->enter_exit ($exit_object)	2873	=item $player_object->enter_exit ($exit_object)
1893		2874
…		…
1913	}	2894	}
1914		2895
1915	sub prepare_random_map {	2896	sub prepare_random_map {
1916	my ($exit) = @_;	2897	my ($exit) = @_;
1917		2898
1918	my $guard = cf::lock_acquire "exit_prepare:$exit";
1919
1920	# all this does is basically replace the /! path by	2899	# all this does is basically replace the /! path by
1921	# a new random map path (?random/...) with a seed	2900	# a new random map path (?random/...) with a seed
1922	# that depends on the exit object	2901	# that depends on the exit object
1923		2902
1924	my $rmp = parse_random_map_params $exit->msg;	2903	my $rmp = parse_random_map_params $exit->msg;
…		…
1926	if ($exit->map) {	2905	if ($exit->map) {
1927	$rmp->{region} = $exit->region->name;	2906	$rmp->{region} = $exit->region->name;
1928	$rmp->{origin_map} = $exit->map->path;	2907	$rmp->{origin_map} = $exit->map->path;
1929	$rmp->{origin_x} = $exit->x;	2908	$rmp->{origin_x} = $exit->x;
1930	$rmp->{origin_y} = $exit->y;	2909	$rmp->{origin_y} = $exit->y;
		2910
		2911	$exit->map->touch;
1931	}	2912	}
1932		2913
1933	$rmp->{random_seed} ||= $exit->random_seed;	2914	$rmp->{random_seed} ||= $exit->random_seed;
1934		2915
1935	my $data = cf::to_json $rmp;	2916	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1936	my $md5 = Digest::MD5::md5_hex $data;	2917	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2918	my $meta = "$RANDOMDIR/$md5.meta";
1938		2919
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2920	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2921	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2922	undef $fh;
1942	aio_rename "$meta~", $meta;	2923	aio_rename "$meta~", $meta;
1943		2924
		2925	my $slaying = "?random/$md5";
		2926
		2927	if ($exit->valid) {
1944	$exit->slaying ("?random/$md5");	2928	$exit->slaying ("?random/$md5");
1945	$exit->msg (undef);	2929	$exit->msg (undef);
		2930	}
1946	}	2931	}
1947	}	2932	}
1948		2933
1949	sub cf::object::player::enter_exit {	2934	sub cf::object::player::enter_exit {
1950	my ($self, $exit) = @_;	2935	my ($self, $exit) = @_;
1951		2936
1952	return unless $self->type == cf::PLAYER;	2937	return unless $self->type == cf::PLAYER;
1953		2938
1954	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job
1956	cf::sync_job { prepare_random_map $exit };
1957	}
1958
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;
1962
1963	$self->enter_link;	2939	$self->enter_link;
1964		2940
1965	(async {	2941	(async {
1966	$self->deactivate_recursive; # just to be sure	2942	$Coro::current->{desc} = "enter_exit";
		2943
1967	unless (eval {	2944	unless (eval {
		2945	$self->deactivate_recursive; # just to be sure
		2946
		2947	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2948	my $x = $exit->stats->hp;
		2949	my $y = $exit->stats->sp;
		2950
		2951	# special map handling
		2952	my $slaying = $exit->slaying;
		2953
		2954	# special map handling
		2955	if ($slaying eq "/!") {
		2956	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2957
		2958	prepare_random_map $exit
		2959	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2960
		2961	$map = $exit->slaying;
		2962
		2963	} elsif ($slaying eq '!up') {
		2964	$map = $exit->map->tile_path (cf::TILE_UP);
		2965	$x = $exit->x;
		2966	$y = $exit->y;
		2967
		2968	} elsif ($slaying eq '!down') {
		2969	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2970	$x = $exit->x;
		2971	$y = $exit->y;
		2972	}
		2973
1968	$self->goto ($slaying, $hp, $sp);	2974	$self->goto ($map, $x, $y);
1969		2975
		2976	# if exit is damned, update players death & WoR home-position
		2977	$self->contr->savebed ($map, $x, $y)
		2978	if $exit->flag (cf::FLAG_DAMNED);
		2979
1970	1;	2980	1
1971	}) {	2981	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2982	$self->message ("Something went wrong deep within the deliantra server. "
1973	. "I'll try to bring you back to the map you were before. "	2983	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2984	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2985	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2986
1977	warn "ERROR in enter_exit: $@";	2987	error "ERROR in enter_exit: $@";
1978	$self->leave_link;	2988	$self->leave_link;
1979	}	2989	}
1980	})->prio (1);	2990	})->prio (1);
1981	}	2991	}
1982		2992
…		…
1993		3003
1994	sub cf::client::send_drawinfo {	3004	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	3005	my ($self, $text, $flags) = @_;
1996		3006
1997	utf8::encode $text;	3007	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	3008	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	3009	}
2000		3010
		3011	=item $client->send_big_packet ($pkt)
		3012
		3013	Like C<send_packet>, but tries to compress large packets, and fragments
		3014	them as required.
		3015
		3016	=cut
		3017
		3018	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3019
		3020	sub cf::client::send_big_packet {
		3021	my ($self, $pkt) = @_;
		3022
		3023	# try lzf for large packets
		3024	$pkt = "lzf " . Compress::LZF::compress $pkt
		3025	if 1024 <= length $pkt and $self->{can_lzf};
		3026
		3027	# split very large packets
		3028	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3029	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3030	$pkt = "frag";
		3031	}
		3032
		3033	$self->send_packet ($pkt);
		3034	}
		3035
		3036	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3037
		3038	Send a drawinfo or msg packet to the client, formatting the msg for the
		3039	client if neccessary. C<$type> should be a string identifying the type of
		3040	the message, with C<log> being the default. If C<$color> is negative, suppress
		3041	the message unless the client supports the msg packet.
		3042
		3043	=cut
		3044
		3045	# non-persistent channels (usually the info channel)
		3046	our %CHANNEL = (
		3047	"c/motd" => {
		3048	id => "infobox",
		3049	title => "MOTD",
		3050	reply => undef,
		3051	tooltip => "The message of the day",
		3052	},
		3053	"c/identify" => {
		3054	id => "infobox",
		3055	title => "Identify",
		3056	reply => undef,
		3057	tooltip => "Items recently identified",
		3058	},
		3059	"c/examine" => {
		3060	id => "infobox",
		3061	title => "Examine",
		3062	reply => undef,
		3063	tooltip => "Signs and other items you examined",
		3064	},
		3065	"c/shopinfo" => {
		3066	id => "infobox",
		3067	title => "Shop Info",
		3068	reply => undef,
		3069	tooltip => "What your bargaining skill tells you about the shop",
		3070	},
		3071	"c/book" => {
		3072	id => "infobox",
		3073	title => "Book",
		3074	reply => undef,
		3075	tooltip => "The contents of a note or book",
		3076	},
		3077	"c/lookat" => {
		3078	id => "infobox",
		3079	title => "Look",
		3080	reply => undef,
		3081	tooltip => "What you saw there",
		3082	},
		3083	"c/who" => {
		3084	id => "infobox",
		3085	title => "Players",
		3086	reply => undef,
		3087	tooltip => "Shows players who are currently online",
		3088	},
		3089	"c/body" => {
		3090	id => "infobox",
		3091	title => "Body Parts",
		3092	reply => undef,
		3093	tooltip => "Shows which body parts you posess and are available",
		3094	},
		3095	"c/statistics" => {
		3096	id => "infobox",
		3097	title => "Statistics",
		3098	reply => undef,
		3099	tooltip => "Shows your primary statistics",
		3100	},
		3101	"c/skills" => {
		3102	id => "infobox",
		3103	title => "Skills",
		3104	reply => undef,
		3105	tooltip => "Shows your experience per skill and item power",
		3106	},
		3107	"c/shopitems" => {
		3108	id => "infobox",
		3109	title => "Shop Items",
		3110	reply => undef,
		3111	tooltip => "Shows the items currently for sale in this shop",
		3112	},
		3113	"c/resistances" => {
		3114	id => "infobox",
		3115	title => "Resistances",
		3116	reply => undef,
		3117	tooltip => "Shows your resistances",
		3118	},
		3119	"c/pets" => {
		3120	id => "infobox",
		3121	title => "Pets",
		3122	reply => undef,
		3123	tooltip => "Shows information abotu your pets/a specific pet",
		3124	},
		3125	"c/perceiveself" => {
		3126	id => "infobox",
		3127	title => "Perceive Self",
		3128	reply => undef,
		3129	tooltip => "You gained detailed knowledge about yourself",
		3130	},
		3131	"c/uptime" => {
		3132	id => "infobox",
		3133	title => "Uptime",
		3134	reply => undef,
		3135	tooltip => "How long the server has been running since last restart",
		3136	},
		3137	"c/mapinfo" => {
		3138	id => "infobox",
		3139	title => "Map Info",
		3140	reply => undef,
		3141	tooltip => "Information related to the maps",
		3142	},
		3143	"c/party" => {
		3144	id => "party",
		3145	title => "Party",
		3146	reply => "gsay ",
		3147	tooltip => "Messages and chat related to your party",
		3148	},
		3149	"c/death" => {
		3150	id => "death",
		3151	title => "Death",
		3152	reply => undef,
		3153	tooltip => "Reason for and more info about your most recent death",
		3154	},
		3155	"c/say" => $SAY_CHANNEL,
		3156	"c/chat" => $CHAT_CHANNEL,
		3157	);
		3158
		3159	sub cf::client::send_msg {
		3160	my ($self, $channel, $msg, $color, @extra) = @_;
		3161
		3162	$msg = $self->pl->expand_cfpod ($msg)
		3163	unless $color & cf::NDI_VERBATIM;
		3164
		3165	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3166
		3167	# check predefined channels, for the benefit of C
		3168	if ($CHANNEL{$channel}) {
		3169	$channel = $CHANNEL{$channel};
		3170
		3171	$self->ext_msg (channel_info => $channel);
		3172	$channel = $channel->{id};
		3173
		3174	} elsif (ref $channel) {
		3175	# send meta info to client, if not yet sent
		3176	unless (exists $self->{channel}{$channel->{id}}) {
		3177	$self->{channel}{$channel->{id}} = $channel;
		3178	$self->ext_msg (channel_info => $channel);
		3179	}
		3180
		3181	$channel = $channel->{id};
		3182	}
		3183
		3184	return unless @extra || length $msg;
		3185
		3186	# default colour, mask it out
		3187	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3188	if $color & cf::NDI_DEF;
		3189
		3190	my $pkt = "msg "
		3191	. $self->{json_coder}->encode (
		3192	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3193	);
		3194
		3195	$self->send_big_packet ($pkt);
		3196	}
		3197
		3198	=item $client->ext_msg ($type, @msg)
		3199
		3200	Sends an ext event to the client.
		3201
		3202	=cut
		3203
		3204	sub cf::client::ext_msg($$@) {
		3205	my ($self, $type, @msg) = @_;
		3206
		3207	if ($self->extcmd == 2) {
		3208	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3209	} elsif ($self->extcmd == 1) { # TODO: remove
		3210	push @msg, msgtype => "event_$type";
		3211	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3212	}
		3213	}
		3214
		3215	=item $client->ext_reply ($msgid, @msg)
		3216
		3217	Sends an ext reply to the client.
		3218
		3219	=cut
		3220
		3221	sub cf::client::ext_reply($$@) {
		3222	my ($self, $id, @msg) = @_;
		3223
		3224	if ($self->extcmd == 2) {
		3225	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3226	} elsif ($self->extcmd == 1) {
		3227	#TODO: version 1, remove
		3228	unshift @msg, msgtype => "reply", msgid => $id;
		3229	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3230	}
		3231	}
2001		3232
2002	=item $success = $client->query ($flags, "text", \&cb)	3233	=item $success = $client->query ($flags, "text", \&cb)
2003		3234
2004	Queues a query to the client, calling the given callback with	3235	Queues a query to the client, calling the given callback with
2005	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3236	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2006	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3237	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		3238
2008	Queries can fail, so check the return code. Or don't, as queries will become	3239	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	3240	become reliable at some point in the future.
2010		3241
2011	=cut	3242	=cut
2012		3243
2013	sub cf::client::query {	3244	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	3245	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	3253	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3254	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		3255
2025	$self->send_packet ($self->{query_queue}[0][0])	3256	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	3257	if @{ $self->{query_queue} } == 1;
		3258
		3259	1
2027	}	3260	}
2028		3261
2029	cf::client->attach (	3262	cf::client->attach (
		3263	on_connect => sub {
		3264	my ($ns) = @_;
		3265
		3266	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3267	},
2030	on_reply => sub {	3268	on_reply => sub {
2031	my ($ns, $msg) = @_;	3269	my ($ns, $msg) = @_;
2032		3270
2033	# this weird shuffling is so that direct followup queries	3271	# this weird shuffling is so that direct followup queries
2034	# get handled first	3272	# get handled first
…		…
2046	} else {	3284	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3285	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	3286	}
2049	}	3287	}
2050	},	3288	},
		3289	on_exticmd => sub {
		3290	my ($ns, $buf) = @_;
		3291
		3292	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3293
		3294	if (ref $msg) {
		3295	my ($type, $reply, @payload) =
		3296	"ARRAY" eq ref $msg
		3297	? @$msg
		3298	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3299
		3300	my @reply;
		3301
		3302	if (my $cb = $EXTICMD{$type}) {
		3303	@reply = $cb->($ns, @payload);
		3304	}
		3305
		3306	$ns->ext_reply ($reply, @reply)
		3307	if $reply;
		3308
		3309	} else {
		3310	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3311	}
		3312
		3313	cf::override;
		3314	},
2051	);	3315	);
2052		3316
2053	=item $client->async (\&cb)	3317	=item $client->async (\&cb)
2054		3318
2055	Create a new coroutine, running the specified callback. The coroutine will	3319	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071		3335
2072	$coro	3336	$coro
2073	}	3337	}
2074		3338
2075	cf::client->attach (	3339	cf::client->attach (
2076	on_destroy => sub {	3340	on_client_destroy => sub {
2077	my ($ns) = @_;	3341	my ($ns) = @_;
2078		3342
2079	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3343	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2080	},	3344	},
2081	);	3345	);
…		…
2096	our $safe = new Safe "safe";	3360	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3361	our $safe_hole = new Safe::Hole;
2098		3362
2099	$SIG{FPE} = 'IGNORE';	3363	$SIG{FPE} = 'IGNORE';
2100		3364
2101	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3365	$safe->permit_only (Opcode::opset qw(
		3366	:base_core :base_mem :base_orig :base_math :base_loop
		3367	grepstart grepwhile mapstart mapwhile
		3368	sort time
		3369	));
2102		3370
2103	# here we export the classes and methods available to script code	3371	# here we export the classes and methods available to script code
2104		3372
2105	=pod	3373	=pod
2106		3374
2107	The following fucntions and emthods are available within a safe environment:	3375	The following functions and methods are available within a safe environment:
2108		3376
2109	cf::object contr pay_amount pay_player map	3377	cf::object
		3378	contr pay_amount pay_player map x y force_find force_add destroy
		3379	insert remove name archname title slaying race decrease split
		3380	value
		3381
2110	cf::object::player player	3382	cf::object::player
2111	cf::player peaceful	3383	player
2112	cf::map trigger	3384
		3385	cf::player
		3386	peaceful
		3387
		3388	cf::map
		3389	trigger
2113		3390
2114	=cut	3391	=cut
2115		3392
2116	for (	3393	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	3394	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3395	insert remove inv nrof name archname title slaying race
		3396	decrease split destroy change_exp value msg lore send_msg)],
2118	["cf::object::player" => qw(player)],	3397	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3398	["cf::player" => qw(peaceful send_msg)],
2120	["cf::map" => qw(trigger)],	3399	["cf::map" => qw(trigger)],
2121	) {	3400	) {
2122	no strict 'refs';
2123	my ($pkg, @funs) = @$_;	3401	my ($pkg, @funs) = @$_;
2124	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3402	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2125	for @funs;	3403	for @funs;
2126	}	3404	}
2127		3405
…		…
2142		3420
2143	my $qcode = $code;	3421	my $qcode = $code;
2144	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3422	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2145	$qcode =~ s/\n/\\n/g;	3423	$qcode =~ s/\n/\\n/g;
2146		3424
		3425	%vars = (_dummy => 0) unless %vars;
		3426
		3427	my @res;
2147	local $_;	3428	local $_;
2148	local @safe::cf::_safe_eval_args = values %vars;
2149		3429
2150	my $eval =	3430	my $eval =
2151	"do {\n"	3431	"do {\n"
2152	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3432	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2153	. "#line 0 \"{$qcode}\"\n"	3433	. "#line 0 \"{$qcode}\"\n"
2154	. $code	3434	. $code
2155	. "\n}"	3435	. "\n}"
2156	;	3436	;
2157		3437
		3438	if ($CFG{safe_eval}) {
2158	sub_generation_inc;	3439	sub_generation_inc;
		3440	local @safe::cf::_safe_eval_args = values %vars;
2159	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3441	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2160	sub_generation_inc;	3442	sub_generation_inc;
		3443	} else {
		3444	local @cf::_safe_eval_args = values %vars;
		3445	@res = wantarray ? eval eval : scalar eval $eval;
		3446	}
2161		3447
2162	if ($@) {	3448	if ($@) {
2163	warn "$@";	3449	warn "$@",
2164	warn "while executing safe code '$code'\n";	3450	"while executing safe code '$code'\n",
2165	warn "with arguments " . (join " ", %vars) . "\n";	3451	"with arguments " . (join " ", %vars) . "\n";
2166	}	3452	}
2167		3453
2168	wantarray ? @res : $res[0]	3454	wantarray ? @res : $res[0]
2169	}	3455	}
2170		3456
…		…
2184	=cut	3470	=cut
2185		3471
2186	sub register_script_function {	3472	sub register_script_function {
2187	my ($fun, $cb) = @_;	3473	my ($fun, $cb) = @_;
2188		3474
2189	no strict 'refs';	3475	$fun = "safe::$fun" if $CFG{safe_eval};
2190	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3476	*$fun = $safe_hole->wrap ($cb);
2191	}	3477	}
2192		3478
2193	=back	3479	=back
2194		3480
2195	=cut	3481	=cut
2196
2197	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268		3482
2269	#############################################################################	3483	#############################################################################
2270	# the server's init and main functions	3484	# the server's init and main functions
2271		3485
2272	sub load_faces {	3486	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3487	my ($path) = @_;
2274		3488
		3489	# HACK to clear player env face cache, we need some signal framework
		3490	# for this (global event?)
		3491	%ext::player_env::MUSIC_FACE_CACHE = ();
		3492
		3493	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3494
2275	warn "loading faces from $path\n";	3495	trace "loading facedata from $path\n";
2276		3496
2277	my $faces;	3497	my $facedata = decode_storable load_file $path;
2278	0 < aio_load $path, $faces
2279	or die "$path: $!";
2280		3498
2281	Coro::cede;	3499	$facedata->{version} == 2
2282	$faces = Storable::thaw $faces;	3500	or cf::cleanup "$path: version mismatch, cannot proceed.";
2283	Coro::cede;
2284		3501
		3502	# patch in the exptable
		3503	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3504	$facedata->{resource}{"res/exp_table"} = {
		3505	type => FT_RSRC,
		3506	data => $exp_table,
		3507	hash => (Digest::MD5::md5 $exp_table),
		3508	};
		3509	cf::cede_to_tick;
		3510
		3511	{
		3512	my $faces = $facedata->{faceinfo};
		3513
2285	while (my ($face, $info) = each %$faces) {	3514	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3515	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3516
		3517	cf::face::set_visibility $idx, $info->{visibility};
		3518	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3519	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2289	Coro::cede;	3520	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3521	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3522
		3523	cf::cede_to_tick;
		3524	}
		3525
		3526	while (my ($face, $info) = each %$faces) {
		3527	next unless $info->{smooth};
		3528
		3529	my $idx = cf::face::find $face
		3530	or next;
		3531
		3532	if (my $smooth = cf::face::find $info->{smooth}) {
		3533	cf::face::set_smooth $idx, $smooth;
		3534	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3535	} else {
		3536	error "smooth face '$info->{smooth}' not found for face '$face'";
		3537	}
		3538
		3539	cf::cede_to_tick;
		3540	}
		3541	}
		3542
2290	}	3543	{
		3544	my $anims = $facedata->{animinfo};
		3545
		3546	while (my ($anim, $info) = each %$anims) {
		3547	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3548	cf::cede_to_tick;
		3549	}
		3550
		3551	cf::anim::invalidate_all; # d'oh
		3552	}
		3553
		3554	{
		3555	my $res = $facedata->{resource};
		3556
		3557	while (my ($name, $info) = each %$res) {
		3558	if (defined $info->{type}) {
		3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3560
		3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3562	cf::face::set_type $idx, $info->{type};
		3563	} else {
		3564	$RESOURCE{$name} = $info; # unused
		3565	}
		3566
		3567	cf::cede_to_tick;
		3568	}
		3569	}
		3570
		3571	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2291		3572
2292	1	3573	1
2293	}	3574	}
2294		3575
		3576	register_exticmd fx_want => sub {
		3577	my ($ns, $want) = @_;
		3578
		3579	while (my ($k, $v) = each %$want) {
		3580	$ns->fx_want ($k, $v);
		3581	}
		3582	};
		3583
		3584	sub load_resource_file($) {
		3585	my $guard = lock_acquire "load_resource_file";
		3586
		3587	my $status = load_resource_file_ $_[0];
		3588	get_slot 0.1, 100;
		3589	cf::arch::commit_load;
		3590
		3591	$status
		3592	}
		3593
		3594	sub reload_regions {
		3595	# HACK to clear player env face cache, we need some signal framework
		3596	# for this (global event?)
		3597	%ext::player_env::MUSIC_FACE_CACHE = ();
		3598
		3599	load_resource_file "$MAPDIR/regions"
		3600	or die "unable to load regions file\n";
		3601
		3602	for (cf::region::list) {
		3603	$_->{match} = qr/$_->{match}/
		3604	if exists $_->{match};
		3605	}
		3606	}
		3607
		3608	sub reload_facedata {
		3609	load_facedata "$DATADIR/facedata"
		3610	or die "unable to load facedata\n";
		3611	}
		3612
		3613	sub reload_archetypes {
		3614	load_resource_file "$DATADIR/archetypes"
		3615	or die "unable to load archetypes\n";
		3616	}
		3617
		3618	sub reload_treasures {
		3619	load_resource_file "$DATADIR/treasures"
		3620	or die "unable to load treasurelists\n";
		3621	}
		3622
		3623	sub reload_sound {
		3624	trace "loading sound config from $DATADIR/sound\n";
		3625
		3626	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3627
		3628	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3629	my $sound = $soundconf->{compat}[$_]
		3630	or next;
		3631
		3632	my $face = cf::face::find "sound/$sound->[1]";
		3633	cf::sound::set $sound->[0] => $face;
		3634	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3635	}
		3636
		3637	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3638	my $face = cf::face::find "sound/$v";
		3639	cf::sound::set $k => $face;
		3640	}
		3641	}
		3642
2295	sub reload_resources {	3643	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3644	trace "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3645
		3646	reload_exp_table;
		3647	reload_materials;
2298	load_faces	3648	reload_facedata;
2299	or die "unable to load faces\n";#d#	3649	reload_sound;
2300	}	3650	reload_archetypes;
2301
2302	sub init {
2303	reload_resources;	3651	reload_regions;
2304	}	3652	reload_treasures;
2305		3653
2306	sub cfg_load {	3654	trace "finished reloading resource files\n";
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3655	}
2308	or return;
2309		3656
2310	local $/;	3657	sub reload_config {
2311	*CFG = YAML::Syck::Load <$fh>;	3658	trace "reloading config file...\n";
2312		3659
		3660	my $config = load_file "$CONFDIR/config";
		3661	utf8::decode $config;
		3662	*CFG = decode_yaml $config;
		3663
2313	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3664	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2314		3665
2315	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3666	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2316	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3667	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2317		3668
2318	if (exists $CFG{mlockall}) {	3669	if (exists $CFG{mlockall}) {
…		…
2322	};	3673	};
2323	warn $@ if $@;	3674	warn $@ if $@;
2324	}	3675	}
2325	}	3676	}
2326		3677
		3678	sub pidfile() {
		3679	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3680	or die "$PIDFILE: $!";
		3681	flock $fh, &Fcntl::LOCK_EX
		3682	or die "$PIDFILE: flock: $!";
		3683	$fh
		3684	}
		3685
		3686	# make sure only one server instance is running at any one time
		3687	sub atomic {
		3688	my $fh = pidfile;
		3689
		3690	my $pid = <$fh>;
		3691	kill 9, $pid if $pid > 0;
		3692
		3693	seek $fh, 0, 0;
		3694	print $fh $$;
		3695	}
		3696
		3697	sub main_loop {
		3698	trace "EV::loop starting\n";
		3699	if (1) {
		3700	EV::loop;
		3701	}
		3702	trace "EV::loop returned\n";
		3703	goto &main_loop unless $REALLY_UNLOOP;
		3704	}
		3705
2327	sub main {	3706	sub main {
		3707	cf::init_globals; # initialise logging
		3708
		3709	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3710	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3711	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3712	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3713
		3714	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3715
2328	# we must not ever block the main coroutine	3716	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3717	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3718	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3719	(async {
2332	Event::one_event;	3720	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3721	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3722	})->prio (Coro::PRIO_MAX);
2334	};	3723	};
2335		3724
2336	cfg_load;	3725	evthread_start IO::AIO::poll_fileno;
		3726
		3727	cf::sync_job {
		3728	cf::incloader::init ();
		3729
		3730	cf::init_anim;
		3731	cf::init_attackmess;
		3732	cf::init_dynamic;
		3733
		3734	cf::load_settings;
		3735
		3736	reload_resources;
		3737	reload_config;
2337	db_init;	3738	db_init;
		3739
		3740	cf::init_uuid;
		3741	cf::init_signals;
		3742	cf::init_skills;
		3743
		3744	cf::init_beforeplay;
		3745
		3746	atomic;
		3747
2338	load_extensions;	3748	load_extensions;
2339		3749
2340	$TICK_WATCHER->start;	3750	utime time, time, $RUNTIMEFILE;
2341	Event::loop;	3751
		3752	# no (long-running) fork's whatsoever before this point(!)
		3753	use POSIX ();
		3754	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3755
		3756	cf::_post_init 0;
		3757	};
		3758
		3759	cf::object::thawer::errors_are_fatal 0;
		3760	info "parse errors in files are no longer fatal from this point on.\n";
		3761
		3762	my $free_main; $free_main = EV::idle sub {
		3763	undef $free_main;
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
2342	}	3768	}
2343		3769
2344	#############################################################################	3770	#############################################################################
2345	# initialisation and cleanup	3771	# initialisation and cleanup
2346		3772
2347	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
2348	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
2357	},
2358	);	3779	};
		3780	}
		3781	}
		3782
		3783	sub write_runtime_sync {
		3784	my $t0 = AE::time;
		3785
		3786	# first touch the runtime file to show we are still running:
		3787	# the fsync below can take a very very long time.
		3788
		3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3790
		3791	my $guard = cf::lock_acquire "write_runtime";
		3792
		3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3794	or return;
		3795
		3796	my $value = $cf::RUNTIME + 90 + 10;
		3797	# 10 is the runtime save interval, for a monotonic clock
		3798	# 60 allows for the watchdog to kill the server.
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	# touch it again to show we are up-to-date
		3808	aio_utime $fh, undef, undef;
		3809
		3810	close $fh
		3811	or return;
		3812
		3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3814	and return;
		3815
		3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3817
2359	}	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
2360	}	3869	}
2361		3870
2362	sub emergency_save() {	3871	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
2364		3873
2365	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
2366		3880
2367	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
2368	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
2369	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
2370	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
2372	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3892	$pl->save;
2376	}	3893	}
2377	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
2378		3895
2379	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
2380	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
2381	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
2382	$map->valid or next;	3901	$map->valid or next;
2383	$map->save;	3902	$map->save;
2384	}	3903	}
2385	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
2386		3905
2387	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
2388	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
2389	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
2390	};	3934	};
2391		3935
2392	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
2393	}	3937	}
2394		3938
2395	sub post_cleanup {	3939	sub post_cleanup {
2396	my ($make_core) = @_;	3940	my ($make_core) = @_;
2397		3941
		3942	IO::AIO::flush;
		3943
2398	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3945	if $make_core;
2400	}
2401		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
		3974	}
		3975
2402	sub reload() {	3976	sub do_reload_perl() {
2403	# can/must only be called in main	3977	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
2405	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
2406	return;	3980	return;
2407	}	3981	}
2408		3982
2409	warn "reloading...";	3983	return if $RELOAD++;
2410		3984
2411	warn "entering sync_job";	3985	my $t1 = AE::time;
2412		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
2413	cf::sync_job {	3993	cf::sync_job {
2414	cf::write_runtime; # external watchdog should not bark
2415	cf::emergency_save;	3994	#cf::emergency_save;
2416	cf::write_runtime; # external watchdog should not bark
2417		3995
2418	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;
2420
2421	# if anything goes wrong in here, we should simply crash as we already saved
2422
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";
2429	for (;;) {
2430	BDB::flush;
2431	IO::AIO::flush;
2432	Coro::cede;
2433	last unless IO::AIO::nreqs || BDB::nreqs;
2434	warn "iterate...";
2435	}
2436
2437	++$RELOAD;
2438
2439	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
2440	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
2441	%EXT_CORO = ();	3998	%EXT_CORO = ();
2442		3999
2443	warn "removing commands";	4000	trace "perl_reload: removing commands";
2444	%COMMAND = ();	4001	%COMMAND = ();
2445		4002
2446	warn "removing ext commands";	4003	trace "perl_reload: removing ext/exti commands";
2447	%EXTCMD = ();	4004	%EXTCMD = ();
		4005	%EXTICMD = ();
2448		4006
2449	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
2452		4010
2453	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
2454	eval {	4012	eval {
2455	$cb->($pkg);	4013	$cb->($pkg);
2456	1	4014	1
2457	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
2458	}	4020	}
2459		4021
2460	warn "... nuking $pkg";
2461	Symbol::delete_package $pkg;
2462	}
2463
2464	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2465	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
2466	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2467		4025
2468	warn "... unloading $k";	4026	trace "... unloading $k";
2469	delete $INC{$k};	4027	delete $INC{$k};
2470		4028
2471	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
2472	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
2473		4031
2474	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
2475	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
2476	}	4037	}
2477		4038
2478	Symbol::delete_package $k;
2479	}
2480
2481	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
2482	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		4042
2485	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
		4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2487		4046
2488	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
2489	# and global variables created in xs	4048	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
2491		4050
2492	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
2493		4052
2494	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
2495	require cf;	4054	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
2497		4056
2498	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
2499	cf::cfg_load;	4058	cf::reload_config;
2500		4059
2501	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
2502	cf::load_extensions;	4061	cf::load_extensions;
2503		4062
		4063	if ($REATTACH_ON_RELOAD) {
2504	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
2505	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
2506	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
2507	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
2510		4071
2511	warn "loading reloadable resources";	4072	cf::_post_init 1;
2512	reload_resources;
2513		4073
2514	warn "leaving sync_job";	4074	trace "perl_reload: leaving sync_job";
2515		4075
2516	1	4076	1
2517	} or do {	4077	} or do {
2518	warn $@;	4078	error $@;
2519	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
2520	exit 1;	4080	};
		4081
		4082	--$RELOAD;
		4083	}
		4084
		4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
		4087	};
		4088
		4089	our $RELOAD_WATCHER; # used only during reload
		4090
		4091	sub reload_perl() {
		4092	# doing reload synchronously and two reloads happen back-to-back,
		4093	# coro crashes during coro_state_free->destroy here.
		4094
		4095	$RELOAD_WATCHER ||= cf::async {
		4096	Coro::AIO::aio_wait cache_extensions;
		4097
		4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4099	do_reload_perl;
		4100	undef $RELOAD_WATCHER;
		4101	};
2521	};	4102	};
2522		4103	}
2523	warn "reloaded";
2524	};
2525
2526	our $RELOAD_WATCHER; # used only during reload
2527		4104
2528	register_command "reload" => sub {	4105	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
2530		4107
2531	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
2533		4110	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	4111	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	4112	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	4113	};
2546	}	4114	}
2547	};	4115	};
2548		4116
2549	unshift @INC, $LIBDIR;	4117	#############################################################################
2550		4118
2551	my $bug_warning = 0;	4119	my $bug_warning = 0;
2552		4120
2553	$TICK_WATCHER = Event->timer (	4121	sub wait_for_tick() {
2554	reentrant => 0,	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2555	parked => 1,	4123
2556	prio => 0,	4124	$WAIT_FOR_TICK->wait;
2557	at => $NEXT_TICK || $TICK,	4125	}
2558	data => WF_AUTOCANCEL,	4126
2559	cb => sub {	4127	sub wait_for_tick_begin() {
		4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4129
		4130	my $signal = new Coro::Signal;
		4131	push @WAIT_FOR_TICK_BEGIN, $signal;
		4132	$signal->wait;
		4133	}
		4134
		4135	sub tick {
2560	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
2563	return;	4139	return;
2564	}	4140	}
2565		4141
2566	$NOW = Event::time;	4142	cf::one_tick; # one server iteration
2567		4143
2568	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2569	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;
2571		4145
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	4148	Coro::async_pool {
		4149	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	4150	write_runtime_sync
2576	or warn "ERROR: unable to write runtime file: $!";	4151	or error "ERROR: unable to write runtime file: $!";
2577	};
2578	}	4152	};
		4153	}
2579		4154
		4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4156	$sig->send;
		4157	}
2580	$WAIT_FOR_TICK->broadcast;	4158	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582		4159
2583	# my $AFTER = Event::time;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
2584	# warn $AFTER - $NOW;#d#	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2585		4162
2586	# if we are delayed by four ticks or more, skip them all	4163	if (0) {
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4164	if ($NEXT_TICK) {
2588		4165	my $jitter = $TICK_START - $NEXT_TICK;
2589	$TICK_WATCHER->at ($NEXT_TICK);	4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2590	$TICK_WATCHER->start;	4167	debug "jitter $JITTER\n";#d#
		4168	}
2591	},	4169	}
2592	);	4170	}
2593		4171
2594	{	4172	{
2595	BDB::max_poll_time $TICK * 0.1;	4173	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	4174
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
2605		4176	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	4177	$AnyEvent::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		4178
2621	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
		4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		4186
2624	cf::sync_job {	4187	cf::sync_job {
2625	eval {	4188	eval {
2626	BDB::db_env_open	4189	BDB::db_env_open
2627	$DB_ENV,	4190	$DB_ENV,
2628	$BDB_ENV_DIR,	4191	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4192	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	4194	0666;
2632		4195
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	4197	};
2638		4198
2639	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	4200	};
2641	}	4201	}
		4202
		4203	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4204	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4205	};
		4206	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4207	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4208	};
		4209	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4211	};
2642	}	4212	}
2643		4213
2644	{	4214	{
		4215	# configure IO::AIO
		4216
2645	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	4220	}
		4221
		4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
		4224
		4225	sub _log_backtrace {
		4226	my ($msg, @addr) = @_;
		4227
		4228	$msg =~ s/\n$//;
		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4233	# limit the # of concurrent backtraces
		4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
		4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
		4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
		4241	my @bt = fork_call {
		4242	@addr = map { sprintf "%x", $_ } @addr;
		4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4244	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4245	or die "addr2line: $!";
		4246
		4247	my @funcs;
		4248	my @res = <$fh>;
		4249	chomp for @res;
		4250	while (@res) {
		4251	my ($func, $line) = splice @res, 0, 2, ();
		4252	push @funcs, "[$func] $line";
		4253	}
		4254
		4255	@funcs
		4256	};
		4257
		4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4260	LOG llevInfo, "[ABT] $_\n" for @bt;
		4261	--$_log_backtrace;
		4262	};
		4263	} else {
		4264	LOG llevInfo, "[ABT] $msg\n";
		4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4266	}
		4267	}
		4268
		4269	# load additional modules
		4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
2658		4272
2659	END { cf::emergency_save }	4273	END { cf::emergency_save }
2660		4274
2661	1	4275	1
2662		4276

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