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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC vs.
Revision 1.577 by root, Tue Jan 3 11:25:33 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.61 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;
26	use Fcntl;	56	use Fcntl;
27	use YAML::Syck ();	57	use YAML::XS ();
28	use IO::AIO 2.32 ();	58	use IO::AIO ();
29	use Time::HiRes;	59	use Time::HiRes;
30	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
31		64
32	# configure various modules to our taste	65	# configure various modules to our taste
33	#	66	#
34	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
36	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
37		75
38	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
39		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		78
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
46		82
47	our %COMMAND = ();	83	our %COMMAND = ();
48	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
49		85
50	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
54		91
55	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	93	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
		96
		97	our $CONFDIR = confdir;
		98
		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;
58		120
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	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;
64	our $NOW;	138	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		139
67	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
68	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
69
70	our %CFG;
71
72	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;
74
75	our %PLAYER; # all users
76	our %MAP; # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		143
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
84	binmode STDOUT;	160	binmode STDOUT;
85	binmode STDERR;	161	binmode STDERR;
86		162
87	# read virtual server time, if available	163	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
92	}	168	}
93		169
94	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	171
96	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		174
101	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
102		176
103	sub cf::map::normalise;	177	sub cf::map::normalise;
104		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
105	#############################################################################	183	#############################################################################
106		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
107	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
108		197
109	=over 4	198	=over 4
110		199
111	=item $cf::UPTIME	200	=item $cf::UPTIME
112		201
113	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.
114		218
115	=item $cf::RUNTIME	219	=item $cf::RUNTIME
116		220
117	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
118	every server tick.	222	every server tick.
119		223
120	=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
121		227
122	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		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
125	=item $cf::NOW	239	=item $cf::LOAD
126		240
127	The time of the last (current) server tick.	241	The raw value load value from the last tick.
128
129	=item $cf::TICK
130
131	The interval between server ticks, in seconds.
132		242
133	=item %cf::CFG	243	=item %cf::CFG
134		244
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	246	from wherever your confdir points to.
137		247
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		249
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
144	=back	283	=back
145		284
146	=cut	285	=cut
147		286
148	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
149	*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 {
150	my $msg = join "", @_;	294	my $msg = join "", @_;
151	utf8::encode $msg;
152		295
153	$msg .= "\n"	296	$msg .= "\n"
154	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
155		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
156	LOG llevError, $msg;	301	LOG llevWarn, $msg;
157	};	302	};
158	}	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	};
159		317
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		325
167	# 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
168	# within the Safe compartment.	327	# within the Safe compartment.
169	for my $pkg (qw(	328	for my $pkg (qw(
170	cf::global cf::attachable	329	cf::global cf::attachable
171	cf::object cf::object::player	330	cf::object cf::object::player
172	cf::client cf::player	331	cf::client cf::player
173	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
174	cf::map cf::party cf::region	334	cf::party cf::region
175	)) {	335	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	337	}
179		338
180	$Event::DIED = sub {	339	$EV::DIED = sub {
181	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
182	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
183		349
184	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
185		351
186	=over 4	352	=over 4
187		353
…		…
206	$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;
207	$d	373	$d
208	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
209	}	375	}
210		376
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
212		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
213	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
214		392
215	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
216		394
217	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
218		396
219	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
220		398
		399	=cut
		400
		401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		402
		403	sub encode_json($) { $json_coder->encode ($_[0]) }
		404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
		467
221	=item cf::lock_wait $string	468	=item cf::lock_wait $string
222		469
223	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
224		471
225	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
226		473
227	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
230	returned.	477	returned.
231		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
232	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
234		484
235	=cut	485	=item $locked = cf::lock_active $string
236		486
237	our %LOCK;	487	Return true if the lock is currently active, i.e. somebody has locked it.
		488
		489	=cut
		490
		491	our $LOCKS = new Coro::SemaphoreSet;
238		492
239	sub lock_wait($) {	493	sub lock_wait($) {
240	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	495	}
248		496
249	sub lock_acquire($) {	497	sub lock_acquire($) {
250	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
251		500
252	# wait, to be sure we are not locked	501	sub lock_active($) {
253	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	503	}
262		504
263	sub freeze_mainloop {	505	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
265		507
266	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	509	}
		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	}
268	};	578	}
269	$TICK_WATCHER->stop;	579	};
270	$guard	580
		581	sub get_slot($;$$) {
		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;
271	}	594	}
272		595
273	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
274		597
275	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		603
281	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
282		605
283	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
284		607
285	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
286	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
287	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.
288		612
289	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
290	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
291	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
292	fast or be very important.	616	fast or be very important.
…		…
294	=cut	618	=cut
295		619
296	sub sync_job(&) {	620	sub sync_job(&) {
297	my ($job) = @_;	621	my ($job) = @_;
298		622
299	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
300	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
302		628
303	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	630
305	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
306		632
307	my $busy = 1;	633	my $busy = 1;
308	my @res;	634	my @res;
309		635
310	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	638	@res = eval { $job->() };
312	warn $@ if $@;	639	error $@ if $@;
313	undef $busy;	640	undef $busy;
314	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
315		642
316	while ($busy) {	643	while ($busy) {
317	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
318	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
319		654
320	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
321	} else {	656	} else {
322	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
323		658
…		…
343	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
344		679
345	$coro	680	$coro
346	}	681	}
347		682
348	sub write_runtime {	683	=item fork_call { }, @args
349	my $guard = cf::lock_acquire "write_runtime";
350		684
351	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.
352		689
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	=cut
354	or return;
355		691
356	my $value = $cf::RUNTIME + 90 + 10;	692	sub post_fork {
357	# 10 is the runtime save interval, for a monotonic clock	693	reset_signals;
358	# 60 allows for the watchdog to kill the server.	694	}
359		695
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	696	sub fork_call(&@) {
361	and return;	697	my ($cb, @args) = @_;
362		698
363	# always fsync - this file is important	699	# we seemingly have to make a local copy of the whole thing,
364	aio_fsync $fh	700	# otherwise perl prematurely frees the stuff :/
365	and return;	701	# TODO: investigate and fix (likely this will be rather laborious)
366		702
367	close $fh	703	my @res = Coro::Util::fork_eval {
368	or return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
369		707
370	aio_rename "$runtime~", $runtime	708	wantarray ? @res : $res[-1]
371	and return;	709	}
372		710
		711	sub objinfo {
373	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"
374	}	875	}
375		876
376	=item cf::datalog type => key => value, ...	877	=item cf::datalog type => key => value, ...
377		878
378	Log a datalog packet of the given type with the given key-value pairs.	879	Log a datalog packet of the given type with the given key-value pairs.
379		880
380	=cut	881	=cut
381		882
382	sub datalog($@) {	883	sub datalog($@) {
383	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	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) = @$msg; # version 1 used %type, $id, %$hash
		1467
		1468	my @reply;
		1469
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1470	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1471	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1472	}
		1473
		1474	$pl->ext_reply ($reply, @reply)
		1475	if $reply;
		1476
881	} else {	1477	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1479	}
884		1480
885	cf::override;	1481	cf::override;
886	},	1482	},
887	);	1483	);
888		1484
		1485	# "readahead" all extensions
889	sub load_extension {	1486	sub cache_extensions {
890	my ($path) = @_;	1487	my $grp = IO::AIO::aio_group;
891		1488
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1490	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1491	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	}	1492	}
917	die $@;
918	}	1493	};
919		1494
920	push @EXTS, $pkg;	1495	$grp
921	}	1496	}
922		1497
923	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
		1501	cf::sync_job {
		1502	my %todo;
		1503
924	for my $ext (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1505	next unless -r $path;
926	eval {	1506
927	load_extension $ext;	1507	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1508	my $base = $1;
		1509	my $pkg = $1;
		1510	$pkg =~ s/[^[:word:]]/_/g;
		1511	$pkg = "ext::$pkg";
		1512
		1513	open my $fh, "<:utf8", $path
		1514	or die "$path: $!";
		1515
		1516	my $source = do { local $/; <$fh> };
		1517
		1518	my %ext = (
		1519	path => $path,
		1520	base => $base,
		1521	pkg => $pkg,
		1522	);
		1523
		1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1526
		1527	$ext{source} =
		1528	"package $pkg; use common::sense;\n"
		1529	. "#line 1 \"$path\"\n{\n"
		1530	. $source
		1531	. "\n};\n1";
		1532
		1533	$todo{$base} = \%ext;
		1534	}
		1535
		1536	my $pass = 0;
		1537	my %done;
		1538	while (%todo) {
		1539	my $progress;
		1540
		1541	++$pass;
		1542
		1543	ext:
		1544	while (my ($k, $v) = each %todo) {
		1545	for (split /,\s*/, $v->{meta}{depends}) {
		1546	next ext
		1547	unless exists $done{$_};
		1548	}
		1549
		1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1551
		1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
		1555	error "$v->{path}: $@\n";
		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559
		1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1561	delete $todo{$k};
		1562	} else {
		1563	$done{$k} = delete $todo{$k};
		1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
		1569	}
928	1	1570	}
929	} or warn "$ext not loaded: $@";	1571
		1572	unless ($progress) {
		1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
		1582	}
930	}	1583	};
931	}	1584	}
932		1585
933	#############################################################################	1586	#############################################################################
934		1587
		1588	=back
		1589
935	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
936		1591
937	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
938		1593
939	=cut	1594	=cut
940		1595
941	package cf::player;	1596	package cf::player;
942		1597
…		…
944		1599
945	=head3 cf::player	1600	=head3 cf::player
946		1601
947	=over 4	1602	=over 4
948		1603
		1604	=item cf::player::num_playing
		1605
		1606	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1607
		1608	=cut
		1609
		1610	sub num_playing {
		1611	scalar grep
		1612	$_->ob->map
		1613	&& !$_->hidden
		1614	&& !$_->ob->flag (cf::FLAG_WIZ),
		1615	cf::player::list
		1616	}
		1617
949	=item cf::player::find $login	1618	=item cf::player::find $login
950		1619
951	Returns the given player object, loading it if necessary (might block).	1620	Returns the given player object, loading it if necessary (might block).
952		1621
953	=cut	1622	=cut
954		1623
955	sub playerdir($) {	1624	sub playerdir($) {
956	cf::localdir	1625	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1626	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1627	}
962		1628
963	sub path($) {	1629	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1630	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1640
975	sub exists($) {	1641	sub exists($) {
976	my ($login) = @_;	1642	my ($login) = @_;
977		1643
978	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
980	}	1646	}
981		1647
982	sub find($) {	1648	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1650	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1657	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1658	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1659	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1660	aio_unlink +(playerdir $login) . "/$login.pl";
995		1661
996	my $pl = load_pl path $login	1662	my $f = new_from_file cf::object::thawer path $login
997	or return;	1663	or return;
		1664
		1665	my $pl = cf::player::load_pl $f
		1666	or return;
		1667
		1668	local $cf::PLAYER_LOADING{$login} = $pl;
		1669	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
999	}	1671	}
1000	}	1672	}
1001	}	1673	}
		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
1002		1687
1003	sub save($) {	1688	sub save($) {
1004	my ($pl) = @_;	1689	my ($pl) = @_;
1005		1690
1006	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1012		1697
1013	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
1015		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1705
1016	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1017	Coro::cede;	1707	cf::cede_to_tick;
1018	}	1708	}
1019		1709
1020	sub new($) {	1710	sub new($) {
1021	my ($login) = @_;	1711	my ($login) = @_;
1022		1712
…		…
1028	$cf::PLAYER{$login} = $self;	1718	$cf::PLAYER{$login} = $self;
1029		1719
1030	$self	1720	$self
1031	}	1721	}
1032		1722
		1723	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1724
		1725	=cut
		1726
		1727	sub send_msg {
		1728	my $ns = shift->ns
		1729	or return;
		1730	$ns->send_msg (@_);
		1731	}
		1732
1033	=item $pl->quit_character	1733	=item $pl->quit_character
1034		1734
1035	Nukes the player without looking back. If logged in, the connection will	1735	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1736	be destroyed. May block for a long time.
1037		1737
…		…
1041	my ($pl) = @_;	1741	my ($pl) = @_;
1042		1742
1043	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1044		1744
1045	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1747
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1049	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1051	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1052		1756
1053	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1055	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1084	while and may block, so not sync_job-capable, ever.	1788	while and may block, so not sync_job-capable, ever.
1085		1789
1086	=cut	1790	=cut
1087		1791
1088	sub list_logins {	1792	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1793	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1794	or return [];
1091		1795
1092	my @logins;	1796	my @logins;
1093		1797
1094	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
		1799	my $path = path $login;
		1800
		1801	# a .pst is a dead give-away for a valid player
		1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1807	}
1098		1808
1099	utf8::decode $login;	1809	utf8::decode $login;
1100	push @logins, $login;	1810	push @logins, $login;
1101	}	1811	}
1102		1812
1103	\@logins	1813	\@logins
1104	}	1814	}
1105		1815
1106	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1107		1819
1108	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1109	player. May block.	1821	player. May block.
1110		1822
1111	=cut	1823	=cut
…		…
1129	}	1841	}
1130		1842
1131	\@paths	1843	\@paths
1132	}	1844	}
1133		1845
		1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1847
		1848	Expand deliantra pod fragments into protocol xml.
		1849
1134	=item $player->ext_reply ($msgid, %msg)	1850	=item $player->ext_reply ($msgid, @msg)
1135		1851
1136	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1137		1853
1138	=cut	1854	=cut
1139		1855
1140	sub ext_reply($$%) {	1856	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1857	my ($self, $id, @msg) = @_;
1142		1858
1143	$msg{msgid} = $id;	1859	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1860	}
1147		1861
1148	=item $player->ext_event ($type, %msg)	1862	=item $player->ext_msg ($type, @msg)
1149		1863
1150	Sends an ext event to the client.	1864	Sends an ext event to the client.
1151		1865
1152	=cut	1866	=cut
1153		1867
1154	sub ext_event($$%) {	1868	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1869	my ($self, $type, @msg) = @_;
1156		1870
1157	$self->ns->ext_event ($type, %msg);	1871	$self->ns->ext_msg ($type, @msg);
1158	}	1872	}
1159		1873
1160	=head3 cf::region	1874	=head3 cf::region
1161		1875
1162	=over 4	1876	=over 4
…		…
1165		1879
1166	package cf::region;	1880	package cf::region;
1167		1881
1168	=item cf::region::find_by_path $path	1882	=item cf::region::find_by_path $path
1169		1883
1170	Tries to decuce the probable region for a map knowing only its path.	1884	Tries to decuce the likely region for a map knowing only its path.
1171		1885
1172	=cut	1886	=cut
1173		1887
1174	sub find_by_path($) {	1888	sub find_by_path($) {
1175	my ($path) = @_;	1889	my ($path) = @_;
1176		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
		1892
1177	my ($match, $specificity);	1893	my ($match, $specificity);
1178		1894
1179	for my $region (list) {	1895	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1896	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1897	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1898	if $region->specificity > $specificity;
1183	}	1899	}
1184	}	1900	}
1185		1901
…		…
1206	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1208		1924
1209	sub generate_random_map {	1925	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1211	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1212	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1216	$rmp->{exit_on_final_map},
1217	$rmp->{xsize}, $rmp->{ysize},
1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1223	(cf::region::find $rmp->{region}), $rmp->{custom}
1224	)
1225	}	1931	}
1226		1932
1227	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1228		1934
1229	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1234		1940
1235	sub register {	1941	sub register {
1236	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	1943	my $pkg = caller;
1238		1944
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		1946
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1948	}
1244		1949
1245	# also paths starting with '/'	1950	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1952
1248	sub thawer_merge {	1953	sub thawer_merge {
1249	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1250		1955
1251	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
1252	local $self->{path};	1957	local $self->{path};
1253	local $self->{load_path};	1958	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1959
1257	$self->SUPER::thawer_merge ($merge);	1960	$self->SUPER::thawer_merge ($merge);
1258	}	1961	}
1259		1962
1260	sub normalise {	1963	sub normalise {
1261	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1262		1965
1263	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1264		1967
1265	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1266		1969
1267	# map plan:	1970	# map plan:
1268	#	1971	#
…		…
1283	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1284	$path = "$base/$path";	1987	$path = "$base/$path";
1285	}	1988	}
1286		1989
1287	for ($path) {	1990	for ($path) {
1288	redo if s{//}{/};
1289	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1290	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1291	}	1993	}
1292		1994
1293	$path	1995	$path
…		…
1307	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1308	return $self;	2010	return $self;
1309	}	2011	}
1310	}	2012	}
1311		2013
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	2015	()
1314	}	2016	}
1315		2017
		2018	# may re-bless or do other evil things
1316	sub init {	2019	sub init {
1317	my ($self) = @_;	2020	my ($self) = @_;
1318		2021
1319	$self	2022	$self
1320	}	2023	}
…		…
1332		2035
1333	# the original (read-only) location	2036	# the original (read-only) location
1334	sub load_path {	2037	sub load_path {
1335	my ($self) = @_;	2038	my ($self) = @_;
1336		2039
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2040	"$MAPDIR/$self->{path}.map"
1338	}	2041	}
1339		2042
1340	# the temporary/swap location	2043	# the temporary/swap location
1341	sub save_path {	2044	sub save_path {
1342	my ($self) = @_;	2045	my ($self) = @_;
1343		2046
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2048	"$TMPDIR/$path.map"
1346	}	2049	}
1347		2050
1348	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1349	sub uniq_path {	2052	sub uniq_path {
1350	my ($self) = @_;	2053	my ($self) = @_;
1351		2054
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2056	"$UNIQUEDIR/$path"
1354	}	2057	}
1355		2058
1356	# and all this just because we cannot iterate over	2059	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	2060	my ($self) = @_;
1360		2061
1361	$_->change_map_light ($change)	2062	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	2063
		2064	$self->do_decay_objects;
1363	}	2065	}
1364		2066
1365	sub unlink_save {	2067	sub unlink_save {
1366	my ($self) = @_;	2068	my ($self) = @_;
1367		2069
…		…
1372		2074
1373	sub load_header_from($) {	2075	sub load_header_from($) {
1374	my ($self, $path) = @_;	2076	my ($self, $path) = @_;
1375		2077
1376	utf8::encode $path;	2078	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	2079	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	2080	or return;
1382		2081
		2082	$self->_load_header ($f)
		2083	or return;
		2084
		2085	local $MAP_LOADING{$self->{path}} = $self;
		2086	$f->resolve_delayed_derefs;
		2087
1383	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1384		2089
1385	1	2090	1
1386	}	2091	}
1387		2092
		2093	# used to laod the header of an original map
1388	sub load_header_orig {	2094	sub load_header_orig {
1389	my ($self) = @_;	2095	my ($self) = @_;
1390		2096
1391	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1392	}	2098	}
1393		2099
		2100	# used to laod the header of an instantiated map
1394	sub load_header_temp {	2101	sub load_header_temp {
1395	my ($self) = @_;	2102	my ($self) = @_;
1396		2103
1397	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1398	}	2105	}
1399		2106
		2107	# called after loading the header from an instantiated map
1400	sub prepare_temp {	2108	sub prepare_temp {
1401	my ($self) = @_;	2109	my ($self) = @_;
1402		2110
1403	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1404	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1405	# safety	2113	# safety
1406	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1407	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1408	}	2116	}
1409		2117
		2118	# called after loading the header from an original map
1410	sub prepare_orig {	2119	sub prepare_orig {
1411	my ($self) = @_;	2120	my ($self) = @_;
1412		2121
1413	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1414	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1425	$self->load_header_orig	2134	$self->load_header_orig
1426	or return;	2135	or return;
1427	$self->prepare_orig;	2136	$self->prepare_orig;
1428	}	2137	}
1429		2138
		2139	$self->{deny_reset} = 1
		2140	if $self->no_reset;
		2141
1430	$self->default_region (cf::region::find_by_path $self->{path})	2142	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2143	unless $self->default_region;
1432		2144
1433	1	2145	1
1434	}	2146	}
1435		2147
1436	sub find;	2148	sub find;
1437	sub find {	2149	sub find {
1438	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1439		2151
		2152	cf::cede_to_tick;
		2153
1440	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1441		2155
		2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2158
1444	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1447	or return;	2161	or return;
1448		2162
1449	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1450		2164
1451	$map->load_header	2165	$map->load_header
1452	or return;	2166	or return;
1453		2167
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
		2172	undef $guard1;
1457	$map->reset;	2173	$map->reset;
1458	undef $guard;
1459	return find $path;	2174	return find $path;
1460	}	2175	}
1461		2176
1462	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1463	}	2178	}
1464	}	2179	}
1465		2180
1466	sub pre_load { }	2181	sub pre_load { }
1467	sub post_load { }	2182	#sub post_load { } # XS
1468		2183
1469	sub load {	2184	sub load {
1470	my ($self) = @_;	2185	my ($self) = @_;
1471		2186
1472	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
1473		2188
1474	my $path = $self->{path};	2189	my $path = $self->{path};
		2190
		2191	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1476		2193
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2194	return unless $self->valid;
		2195	return unless $self->state == cf::MAP_SWAPPED;
1478		2196
1479	$self->in_memory (cf::MAP_LOADING);
1480
1481	$self->alloc;	2197	$self->alloc;
1482		2198
1483	$self->pre_load;	2199	$self->pre_load;
1484	Coro::cede;	2200	cf::cede_to_tick;
1485		2201
1486	$self->_load_objects ($self->{load_path}, 1)	2202	if (exists $self->{load_path}) {
		2203	my $f = new_from_file cf::object::thawer $self->{load_path};
		2204	$f->skip_block;
		2205	$self->_load_objects ($f)
1487	or return;	2206	or return;
1488		2207
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1490	if delete $self->{load_original};	2209	if delete $self->{load_original};
1491		2210
1492	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2212	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2213	unless (aio_stat $uniq) {
		2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2215	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2216	$self->_load_objects ($f);
		2217	$f->resolve_delayed_derefs;
		2218	}
		2219	}
1497	}	2220	}
1498	}
1499		2221
1500	Coro::cede;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
		2229
		2230	cf::cede_to_tick;
1501	# now do the right thing for maps	2231	# now do the right thing for maps
1502	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2234	unless $self->difficulty;
1513	Coro::cede;	2235	cf::cede_to_tick;
1514	$self->activate;	2236
1515	Coro::cede;	2237	unless ($self->{deny_activate}) {
		2238	$self->decay_objects;
		2239	$self->fix_auto_apply;
		2240	$self->update_buttons;
		2241	cf::cede_to_tick;
		2242	#$self->activate; # no longer activate maps automatically
		2243	}
		2244
		2245	$self->{last_save} = $cf::RUNTIME;
		2246	$self->last_access ($cf::RUNTIME);
1516	}	2247	}
1517		2248
1518	$self->post_load;	2249	$self->post_load;
1519	Coro::cede;
1520		2250
1521	$self->in_memory (cf::MAP_IN_MEMORY);	2251	1
1522	}	2252	}
1523		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2257	sub customise_for {
1525	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1526		2259
1527	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2261	if $self->per_player;
1529		2262
		2263	# return find "?party/" . $ob->name . "/" . $self->{path}
		2264	# if $self->per_party;
		2265
1530	$self	2266	$self
1531	}
1532
1533	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {
1535	my ($map) = @_;
1536
1537	my @diag; # diagonal neighbours
1538
1539	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)
1541	or next;
1542	$neigh = find $neigh, $map
1543	or next;
1544	$neigh->load;
1545
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}
1549
1550	for (@diag) {
1551	my $neigh = find @$_
1552	or next;
1553	$neigh->load;
1554	}
1555	}	2267	}
1556		2268
1557	sub find_sync {	2269	sub find_sync {
1558	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
1559		2271
1560	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1561	}	2277	}
1562		2278
1563	sub do_load_sync {	2279	sub do_load_sync {
1564	my ($map) = @_;	2280	my ($map) = @_;
1565		2281
1566	cf::sync_job { $map->load };	2282	# it's a bug to call this from the main context
		2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2284	if $Coro::current == $Coro::main;
		2285
		2286	$map->load;
1567	}	2287	}
1568		2288
1569	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
1571		2291
1572	sub find_async {	2292	sub find_async {
1573	my ($path, $origin) = @_;	2293	my ($path, $origin, $load) = @_;
1574		2294
1575	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
1576		2296
1577	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
1579	}	2299	}
1580		2300
1581	undef $MAP_PREFETCH{$path};	2301	$MAP_PREFETCH{$path} |= $load;
		2302
1582	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
		2304	$Coro::current->{desc} = "map prefetcher";
		2305
1583	while (%MAP_PREFETCH) {	2306	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2307	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2308	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2309	$map->load if $v;
		2310	}
1588		2311
1589	delete $MAP_PREFETCH{$path};	2312	delete $MAP_PREFETCH{$k};
1590	}	2313	}
1591	}	2314	}
1592	undef $MAP_PREFETCHER;	2315	undef $MAP_PREFETCHER;
1593	};	2316	};
1594	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
1595		2318
1596	()	2319	()
1597	}	2320	}
1598		2321
		2322	# common code, used by both ->save and ->swapout
1599	sub save {	2323	sub _save {
1600	my ($self) = @_;	2324	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2325
1604	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
1605		2327
1606	return unless $self->dirty;	2328	return unless $self->dirty;
1607		2329
…		…
1613	return if $self->{deny_save};	2335	return if $self->{deny_save};
1614		2336
1615	local $self->{last_access} = $self->last_access;#d#	2337	local $self->{last_access} = $self->last_access;#d#
1616		2338
1617	cf::async {	2339	cf::async {
		2340	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
1619	};	2342	};
		2343
		2344	cf::get_slot 0.02;
1620		2345
1621	if ($uniq) {	2346	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2349	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2351	}
1627	}	2352	}
1628		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
1629	sub swap_out {	2362	sub swap_out {
1630	my ($self) = @_;	2363	my ($self) = @_;
1631		2364
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
1637	return if $self->players;	2369	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
1641	$self->clear;	2380	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2381	}
1644		2382
1645	sub reset_at {	2383	sub reset_at {
1646	my ($self) = @_;	2384	my ($self) = @_;
1647		2385
1648	# TODO: safety, remove and allow resettable per-player maps	2386	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2387	return 1e99 if $self->{deny_reset};
1651		2388
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2389	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2390	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2391
…		…
1665	my ($self) = @_;	2402	my ($self) = @_;
1666		2403
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2405
1669	return if $self->players;	2406	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2407
1672	warn "resetting map ", $self->path;#d#	2408	cf::trace "resetting map ", $self->path, "\n";
1673		2409
1674	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
1675		2411
1676	# need to save uniques path	2412	# need to save uniques path
1677	unless ($self->{deny_save}) {	2413	unless ($self->{deny_save}) {
1678	my $uniq = $self->uniq_path; utf8::encode $uniq;	2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
1679		2415
…		…
1681	if $uniq;	2417	if $uniq;
1682	}	2418	}
1683		2419
1684	delete $cf::MAP{$self->path};	2420	delete $cf::MAP{$self->path};
1685		2421
		2422	$self->deactivate;
		2423	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2424	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2425
1690	$self->unlink_save;	2426	$self->unlink_save;
1691	$self->destroy;	2427	$self->destroy;
1692	}	2428	}
1693		2429
1694	my $nuke_counter = "aaaa";	2430	my $nuke_counter = "aaaa";
1695		2431
1696	sub nuke {	2432	sub nuke {
1697	my ($self) = @_;	2433	my ($self) = @_;
1698		2434
		2435	{
		2436	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2437
1699	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
1700		2439
1701	$self->unlink_save;	2440	$self->unlink_save;
1702		2441
1703	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2447
1709	$cf::MAP{$self->path} = $self;	2448	$cf::MAP{$self->path} = $self;
		2449	}
1710		2450
1711	$self->reset; # polite request, might not happen	2451	$self->reset; # polite request, might not happen
		2452	}
		2453
		2454	=item $maps = cf::map::tmp_maps
		2455
		2456	Returns an arrayref with all map paths of currently instantiated and saved
		2457	maps. May block.
		2458
		2459	=cut
		2460
		2461	sub tmp_maps() {
		2462	[
		2463	map {
		2464	utf8::decode $_;
		2465	/\.map$/
		2466	? normalise $_
		2467	: ()
		2468	} @{ aio_readdir $TMPDIR or [] }
		2469	]
		2470	}
		2471
		2472	=item $maps = cf::map::random_maps
		2473
		2474	Returns an arrayref with all map paths of currently instantiated and saved
		2475	random maps. May block.
		2476
		2477	=cut
		2478
		2479	sub random_maps() {
		2480	[
		2481	map {
		2482	utf8::decode $_;
		2483	/\.map$/
		2484	? normalise "?random/$_"
		2485	: ()
		2486	} @{ aio_readdir $RANDOMDIR or [] }
		2487	]
1712	}	2488	}
1713		2489
1714	=item cf::map::unique_maps	2490	=item cf::map::unique_maps
1715		2491
1716	Returns an arrayref of paths of all shared maps that have	2492	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2493	instantiated unique items. May block.
1718		2494
1719	=cut	2495	=cut
1720		2496
1721	sub unique_maps() {	2497	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2498	[
1723	or return;	2499	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2500	utf8::decode $_;
1729	next if /\.pst$/;	2501	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2503	? ()
1732	push @paths, cf::map::normalise $_;	2504	: normalise $_
		2505	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2506	]
1734
1735	\@paths
1736	}	2507	}
1737		2508
1738	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
1739		2540
1740	=back	2541	=back
1741		2542
1742	=head3 cf::object	2543	=head3 cf::object
1743		2544
…		…
1747		2548
1748	=over 4	2549	=over 4
1749		2550
1750	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
1751		2552
1752	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
1753		2555
1754	=cut	2556	=cut
1755		2557
1756	sub inv_recursive_;	2558	sub inv_recursive_;
1757	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
1760		2562
1761	sub inv_recursive {	2563	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
1763	}	2565	}
1764		2566
		2567	=item $ref = $ob->ref
		2568
		2569	Creates and returns a persistent reference to an object that can be stored as a string.
		2570
		2571	=item $ob = cf::object::deref ($refstring)
		2572
		2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2574	even if the object actually exists. May block.
		2575
		2576	=cut
		2577
		2578	sub deref {
		2579	my ($ref) = @_;
		2580
		2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2582	my ($uuid, $name) = ($1, $2);
		2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2584	or return;
		2585	$pl->ob->uuid eq $uuid
		2586	or return;
		2587
		2588	$pl->ob
		2589	} else {
		2590	warn "$ref: cannot resolve object reference\n";
		2591	undef
		2592	}
		2593	}
		2594
1765	package cf;	2595	package cf;
1766		2596
1767	=back	2597	=back
1768		2598
1769	=head3 cf::object::player	2599	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2605	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
1778		2608
1779	=cut	2609	=cut
		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
1780		2624
1781	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2626	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
…		…
1786		2630
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2631	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2632
1789	if ($self->{record_replies}) {	2633	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2634	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2635
1791	} else {	2636	} else {
		2637	my $pl = $self->contr;
		2638
		2639	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2640	my $dialog = $pl->{npc_dialog};
		2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2642
		2643	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2646	}
1794	}	2647	}
		2648	}
		2649
		2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2651
		2652	=cut
		2653
		2654	sub cf::object::send_msg {
		2655	my $pl = shift->contr
		2656	or return;
		2657	$pl->send_msg (@_);
1795	}	2658	}
1796		2659
1797	=item $player_object->may ("access")	2660	=item $player_object->may ("access")
1798		2661
1799	Returns wether the given player is authorized to access resource "access"	2662	Returns wether the given player is authorized to access resource "access"
…		…
1812		2675
1813	=item $player_object->enter_link	2676	=item $player_object->enter_link
1814		2677
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2679
1817	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
1819		2684
1820	Will never block.	2685	Will never block.
1821		2686
1822	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
1823		2688
…		…
1843	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2709	my ($self) = @_;
1845		2710
1846	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
1847		2712
		2713	++$self->{_link_recursion};
		2714
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2716
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2718	if $self->map && $self->map->{path} ne "{link}";
1852		2719
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2721	}
1855		2722
1856	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
		2725
		2726	return unless $self->contr->active;
1858		2727
1859	my $link_pos = delete $self->{_link_pos};	2728	my $link_pos = delete $self->{_link_pos};
1860		2729
1861	unless ($map) {	2730	unless ($map) {
1862	# restore original map position	2731	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
1875		2744
1876	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
1879		2748
1880	$map->load;	2749	$map->load;
1881	$map->load_diag;
1882		2750
1883	return unless $self->contr->active;	2751	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2752
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
1888	}	2755	# entering was successful
1889		2756	delete $self->{_link_recursion};
1890	cf::player->attach (	2757	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2758	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2759	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2760
1904	# try to abort aborted map switching on player login :)	2761	}
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2762
1922	=item $player_object->goto ($path, $x, $y)	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2764
		2765	Moves the player to the given map-path and coordinates by first freezing
		2766	her, loading and preparing them map, calling the provided $check callback
		2767	that has to return the map if sucecssful, and then unfreezes the player on
		2768	the new (success) or old (failed) map position. In either case, $done will
		2769	be called at the end of this process.
		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
1924	=cut	2774	=cut
		2775
		2776	our $GOTOGEN;
1925		2777
1926	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
		2787	# do generation counting so two concurrent goto's will be executed in-order
		2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2789
1929	$self->enter_link;	2790	$self->enter_link;
1930		2791
1931	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
1932	my $map = eval {	2814	my $map = eval {
1933	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2816
		2817	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2818	$map = $map->customise_for ($self);
		2819	$map = $check->($map, $x, $y, $self) if $check && $map;
		2820	} else {
		2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823
1935	$map	2824	$map
		2825	};
		2826
		2827	if ($@) {
		2828	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2830	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2831
		2832	if ($gen == $self->{_goto_generation}) {
		2833	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
		2835	}
		2836
		2837	$done->($self) if $done;
1940	})->prio (1);	2838	})->prio (1);
1941	}	2839	}
1942		2840
1943	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
1944		2842
…		…
1964	}	2862	}
1965		2863
1966	sub prepare_random_map {	2864	sub prepare_random_map {
1967	my ($exit) = @_;	2865	my ($exit) = @_;
1968		2866
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2869	# that depends on the exit object
1974		2870
1975	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2873	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
1982	}	2880	}
1983		2881
1984	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
1985		2883
1986	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
1989		2887
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2890	undef $fh;
1993	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
1994		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
1997	}	2899	}
1998	}	2900	}
1999		2901
2000	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2002		2904
2003	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2004		2906
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2907	$self->enter_link;
2017		2908
2018	(async {	2909	(async {
2019	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
2020	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
2021	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2022		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
2023	1;	2948	1
2024	}) {	2949	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2954
2030	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2956	$self->leave_link;
2032	}	2957	}
2033	})->prio (1);	2958	})->prio (1);
2034	}	2959	}
2035		2960
…		…
2049		2974
2050	utf8::encode $text;	2975	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2977	}
2053		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
		3002	}
		3003
		3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3005
		3006	Send a drawinfo or msg packet to the client, formatting the msg for the
		3007	client if neccessary. C<$type> should be a string identifying the type of
		3008	the message, with C<log> being the default. If C<$color> is negative, suppress
		3009	the message unless the client supports the msg packet.
		3010
		3011	=cut
		3012
		3013	# non-persistent channels (usually the info channel)
		3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
		3021	"c/identify" => {
		3022	id => "infobox",
		3023	title => "Identify",
		3024	reply => undef,
		3025	tooltip => "Items recently identified",
		3026	},
		3027	"c/examine" => {
		3028	id => "infobox",
		3029	title => "Examine",
		3030	reply => undef,
		3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
		3045	"c/lookat" => {
		3046	id => "infobox",
		3047	title => "Look",
		3048	reply => undef,
		3049	tooltip => "What you saw there",
		3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
		3125	);
		3126
		3127	sub cf::client::send_msg {
		3128	my ($self, $channel, $msg, $color, @extra) = @_;
		3129
		3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
		3132
		3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3134
		3135	# check predefined channels, for the benefit of C
		3136	if ($CHANNEL{$channel}) {
		3137	$channel = $CHANNEL{$channel};
		3138
		3139	$self->ext_msg (channel_info => $channel);
		3140	$channel = $channel->{id};
		3141
		3142	} elsif (ref $channel) {
		3143	# send meta info to client, if not yet sent
		3144	unless (exists $self->{channel}{$channel->{id}}) {
		3145	$self->{channel}{$channel->{id}} = $channel;
		3146	$self->ext_msg (channel_info => $channel);
		3147	}
		3148
		3149	$channel = $channel->{id};
		3150	}
		3151
		3152	return unless @extra || length $msg;
		3153
		3154	# default colour, mask it out
		3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3156	if $color & cf::NDI_DEF;
		3157
		3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
		3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3161	);
		3162
		3163	$self->send_big_packet ($pkt);
		3164	}
		3165
2054	=item $client->ext_event ($type, %msg)	3166	=item $client->ext_msg ($type, @msg)
2055		3167
2056	Sends an exti event to the client.	3168	Sends an ext event to the client.
2057		3169
2058	=cut	3170	=cut
2059		3171
2060	sub cf::client::ext_event($$%) {	3172	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3173	my ($self, $type, @msg) = @_;
2062		3174
		3175	if ($self->extcmd == 2) {
		3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3177	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3178	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
		3182
		3183	=item $client->ext_reply ($msgid, @msg)
		3184
		3185	Sends an ext reply to the client.
		3186
		3187	=cut
		3188
		3189	sub cf::client::ext_reply($$@) {
		3190	my ($self, $id, @msg) = @_;
		3191
		3192	return unless $self->extcmd == 2;
		3193
		3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2065	}	3195	}
2066		3196
2067	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2068		3198
2069	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3200	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3201	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3202
2073	Queries can fail, so check the return code. Or don't, as queries will become	3203	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3204	become reliable at some point in the future.
2075		3205
2076	=cut	3206	=cut
2077		3207
2078	sub cf::client::query {	3208	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3209	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3217	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3218	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3219
2090	$self->send_packet ($self->{query_queue}[0][0])	3220	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3221	if @{ $self->{query_queue} } == 1;
		3222
		3223	1
2092	}	3224	}
2093		3225
2094	cf::client->attach (	3226	cf::client->attach (
		3227	on_connect => sub {
		3228	my ($ns) = @_;
		3229
		3230	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3231	},
2095	on_reply => sub {	3232	on_reply => sub {
2096	my ($ns, $msg) = @_;	3233	my ($ns, $msg) = @_;
2097		3234
2098	# this weird shuffling is so that direct followup queries	3235	# this weird shuffling is so that direct followup queries
2099	# get handled first	3236	# get handled first
…		…
2111	} else {	3248	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3249	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3250	}
2114	}	3251	}
2115	},	3252	},
		3253	on_exticmd => sub {
		3254	my ($ns, $buf) = @_;
		3255
		3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3257
		3258	if (ref $msg) {
		3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3260
		3261	my @reply;
		3262
		3263	if (my $cb = $EXTICMD{$type}) {
		3264	@reply = $cb->($ns, @payload);
		3265	}
		3266
		3267	$ns->ext_reply ($reply, @reply)
		3268	if $reply;
		3269
		3270	} else {
		3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3272	}
		3273
		3274	cf::override;
		3275	},
2116	);	3276	);
2117		3277
2118	=item $client->async (\&cb)	3278	=item $client->async (\&cb)
2119		3279
2120	Create a new coroutine, running the specified callback. The coroutine will	3280	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3296
2137	$coro	3297	$coro
2138	}	3298	}
2139		3299
2140	cf::client->attach (	3300	cf::client->attach (
2141	on_destroy => sub {	3301	on_client_destroy => sub {
2142	my ($ns) = @_;	3302	my ($ns) = @_;
2143		3303
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3305	},
2146	);	3306	);
…		…
2161	our $safe = new Safe "safe";	3321	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2163		3323
2164	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2165		3325
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3326	$safe->permit_only (Opcode::opset qw(
		3327	:base_core :base_mem :base_orig :base_math :base_loop
		3328	grepstart grepwhile mapstart mapwhile
		3329	sort time
		3330	));
2167		3331
2168	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
2169		3333
2170	=pod	3334	=pod
2171		3335
2172	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2173		3337
2174	cf::object contr pay_amount pay_player map	3338	cf::object
		3339	contr pay_amount pay_player map x y force_find force_add destroy
		3340	insert remove name archname title slaying race decrease split
		3341	value
		3342
2175	cf::object::player player	3343	cf::object::player
2176	cf::player peaceful	3344	player
2177	cf::map trigger	3345
		3346	cf::player
		3347	peaceful
		3348
		3349	cf::map
		3350	trigger
2178		3351
2179	=cut	3352	=cut
2180		3353
2181	for (	3354	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3356	insert remove inv nrof name archname title slaying race
		3357	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2186	) {	3361	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3364	for @funs;
2191	}	3365	}
2192		3366
…		…
2207		3381
2208	my $qcode = $code;	3382	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2211		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2212	local $_;	3389	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3390
2215	my $eval =	3391	my $eval =
2216	"do {\n"	3392	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3395	. $code
2220	. "\n}"	3396	. "\n}"
2221	;	3397	;
2222		3398
		3399	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2226		3408
2227	if ($@) {	3409	if ($@) {
2228	warn "$@";	3410	warn "$@",
2229	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2231	}	3413	}
2232		3414
2233	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2234	}	3416	}
2235		3417
…		…
2249	=cut	3431	=cut
2250		3432
2251	sub register_script_function {	3433	sub register_script_function {
2252	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2253		3435
2254	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2256	}	3438	}
2257		3439
2258	=back	3440	=back
2259		3441
2260	=cut	3442	=cut
2261
2262	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333		3443
2334	#############################################################################	3444	#############################################################################
2335	# the server's init and main functions	3445	# the server's init and main functions
2336		3446
2337	sub load_facedata {	3447	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3448	my ($path) = @_;
2339		3449
		3450	# HACK to clear player env face cache, we need some signal framework
		3451	# for this (global event?)
		3452	%ext::player_env::MUSIC_FACE_CACHE = ();
		3453
		3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3455
2340	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
2341		3457
2342	my $facedata;	3458	my $facedata = decode_storable load_file $path;
2343	0 < aio_load $path, $facedata
2344	or die "$path: $!";
2345
2346	$facedata = Coro::Storable::thaw $facedata;
2347		3459
2348	$facedata->{version} == 2	3460	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3462
		3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3465	$facedata->{resource}{"res/exp_table"} = {
		3466	type => FT_RSRC,
		3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
		3469	};
		3470	cf::cede_to_tick;
		3471
2351	{	3472	{
2352	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
2353		3474
2354	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3477
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3478	cf::face::set_visibility $idx, $info->{visibility};
		3479	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3483
		3484	cf::cede_to_tick;
2360	}	3485	}
2361		3486
2362	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
2364	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
2365	or next;	3491	or next;
		3492
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
		3494	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3496	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3498	}
2371	Coro::cede;	3499
		3500	cf::cede_to_tick;
2372	}	3501	}
2373	}	3502	}
2374		3503
2375	{	3504	{
2376	my $anims = $facedata->{animinfo};	3505	my $anims = $facedata->{animinfo};
2377		3506
2378	while (my ($anim, $info) = each %$anims) {	3507	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3508	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3509	cf::cede_to_tick;
2381	}	3510	}
2382		3511
2383	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
2384	}	3513	}
2385		3514
		3515	{
		3516	my $res = $facedata->{resource};
		3517
		3518	while (my ($name, $info) = each %$res) {
		3519	if (defined $info->{type}) {
		3520	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3521
		3522	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3523	cf::face::set_type $idx, $info->{type};
		3524	} else {
		3525	$RESOURCE{$name} = $info; # unused
		3526	}
		3527
		3528	cf::cede_to_tick;
		3529	}
		3530	}
		3531
		3532	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3533
2386	1	3534	1
2387	}	3535	}
2388		3536
		3537	register_exticmd fx_want => sub {
		3538	my ($ns, $want) = @_;
		3539
		3540	while (my ($k, $v) = each %$want) {
		3541	$ns->fx_want ($k, $v);
		3542	}
		3543	};
		3544
		3545	sub load_resource_file($) {
		3546	my $guard = lock_acquire "load_resource_file";
		3547
		3548	my $status = load_resource_file_ $_[0];
		3549	get_slot 0.1, 100;
		3550	cf::arch::commit_load;
		3551
		3552	$status
		3553	}
		3554
		3555	sub reload_regions {
		3556	# HACK to clear player env face cache, we need some signal framework
		3557	# for this (global event?)
		3558	%ext::player_env::MUSIC_FACE_CACHE = ();
		3559
		3560	load_resource_file "$MAPDIR/regions"
		3561	or die "unable to load regions file\n";
		3562
		3563	for (cf::region::list) {
		3564	$_->{match} = qr/$_->{match}/
		3565	if exists $_->{match};
		3566	}
		3567	}
		3568
		3569	sub reload_facedata {
		3570	load_facedata "$DATADIR/facedata"
		3571	or die "unable to load facedata\n";
		3572	}
		3573
2389	sub load_archetypes {	3574	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3575	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3576	or die "unable to load archetypes\n";
2392	}	3577	}
2393		3578
2394	sub load_treasures {	3579	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3580	load_resource_file "$DATADIR/treasures"
		3581	or die "unable to load treasurelists\n";
		3582	}
		3583
		3584	sub reload_sound {
		3585	trace "loading sound config from $DATADIR/sound\n";
		3586
		3587	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3588
		3589	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3590	my $sound = $soundconf->{compat}[$_]
		3591	or next;
		3592
		3593	my $face = cf::face::find "sound/$sound->[1]";
		3594	cf::sound::set $sound->[0] => $face;
		3595	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3596	}
		3597
		3598	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3599	my $face = cf::face::find "sound/$v";
		3600	cf::sound::set $k => $face;
		3601	}
2396	}	3602	}
2397		3603
2398	sub reload_resources {	3604	sub reload_resources {
2399	warn "reloading resource files...\n";	3605	trace "reloading resource files...\n";
2400		3606
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3607	reload_exp_table;
2402	or die "unable to load regions file\n";	3608	reload_materials;
2403	load_facedata	3609	reload_facedata;
2404	or die "unable to load facedata\n";	3610	reload_sound;
2405	load_archetypes	3611	reload_archetypes;
2406	or die "unable to load archetypes\n";	3612	reload_regions;
2407	load_treasures	3613	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		3614
2410	warn "finished reloading resource files\n";	3615	trace "finished reloading resource files\n";
2411	}	3616	}
2412		3617
2413	sub init {	3618	sub reload_config {
2414	reload_resources;	3619	trace "reloading config file...\n";
2415	}
2416		3620
2417	sub cfg_load {	3621	my $config = load_file "$CONFDIR/config";
2418	open my $fh, "<:utf8", cf::confdir . "/config"	3622	utf8::decode $config;
2419	or return;	3623	*CFG = decode_yaml $config;
2420		3624
2421	local $/;
2422	*CFG = YAML::Syck::Load <$fh>;
2423
2424	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3625	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2425		3626
2426	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3627	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2427	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3628	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2428		3629
2429	if (exists $CFG{mlockall}) {	3630	if (exists $CFG{mlockall}) {
…		…
2433	};	3634	};
2434	warn $@ if $@;	3635	warn $@ if $@;
2435	}	3636	}
2436	}	3637	}
2437		3638
		3639	sub pidfile() {
		3640	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3641	or die "$PIDFILE: $!";
		3642	flock $fh, &Fcntl::LOCK_EX
		3643	or die "$PIDFILE: flock: $!";
		3644	$fh
		3645	}
		3646
		3647	# make sure only one server instance is running at any one time
		3648	sub atomic {
		3649	my $fh = pidfile;
		3650
		3651	my $pid = <$fh>;
		3652	kill 9, $pid if $pid > 0;
		3653
		3654	seek $fh, 0, 0;
		3655	print $fh $$;
		3656	}
		3657
		3658	sub main_loop {
		3659	trace "EV::loop starting\n";
		3660	if (1) {
		3661	EV::loop;
		3662	}
		3663	trace "EV::loop returned\n";
		3664	goto &main_loop unless $REALLY_UNLOOP;
		3665	}
		3666
2438	sub main {	3667	sub main {
		3668	cf::init_globals; # initialise logging
		3669
		3670	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3671	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3672	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3673	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3674
		3675	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3676
2439	# we must not ever block the main coroutine	3677	# we must not ever block the main coroutine
2440	local $Coro::idle = sub {	3678	local $Coro::idle = sub {
2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3679	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2442	(async {	3680	(async {
2443	Event::one_event;	3681	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3682	EV::loop EV::LOOP_ONESHOT;
2444	})->prio (Coro::PRIO_MAX);	3683	})->prio (Coro::PRIO_MAX);
2445	};	3684	};
2446		3685
2447	cfg_load;	3686	evthread_start IO::AIO::poll_fileno;
		3687
		3688	cf::sync_job {
		3689	cf::incloader::init ();
		3690
		3691	cf::init_anim;
		3692	cf::init_attackmess;
		3693	cf::init_dynamic;
		3694
		3695	cf::load_settings;
		3696
		3697	reload_resources;
		3698	reload_config;
2448	db_init;	3699	db_init;
		3700
		3701	cf::init_uuid;
		3702	cf::init_signals;
		3703	cf::init_skills;
		3704
		3705	cf::init_beforeplay;
		3706
		3707	atomic;
		3708
2449	load_extensions;	3709	load_extensions;
2450		3710
2451	$TICK_WATCHER->start;	3711	utime time, time, $RUNTIMEFILE;
2452	Event::loop;	3712
		3713	# no (long-running) fork's whatsoever before this point(!)
		3714	use POSIX ();
		3715	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3716
		3717	cf::_post_init 0;
		3718	};
		3719
		3720	cf::object::thawer::errors_are_fatal 0;
		3721	info "parse errors in files are no longer fatal from this point on.\n";
		3722
		3723	AE::postpone {
		3724	undef &main; # free gobs of memory :)
		3725	};
		3726
		3727	goto &main_loop;
2453	}	3728	}
2454		3729
2455	#############################################################################	3730	#############################################################################
2456	# initialisation and cleanup	3731	# initialisation and cleanup
2457		3732
2458	# install some emergency cleanup handlers	3733	# install some emergency cleanup handlers
2459	BEGIN {	3734	BEGIN {
		3735	our %SIGWATCHER = ();
2460	for my $signal (qw(INT HUP TERM)) {	3736	for my $signal (qw(INT HUP TERM)) {
2461	Event->signal (	3737	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2462	reentrant => 0,
2463	data => WF_AUTOCANCEL,
2464	signal => $signal,
2465	prio => 0,
2466	cb => sub {
2467	cf::cleanup "SIG$signal";	3738	cf::cleanup "SIG$signal";
2468	},
2469	);	3739	};
		3740	}
		3741	}
		3742
		3743	sub write_runtime_sync {
		3744	my $t0 = AE::time;
		3745
		3746	# first touch the runtime file to show we are still running:
		3747	# the fsync below can take a very very long time.
		3748
		3749	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3750
		3751	my $guard = cf::lock_acquire "write_runtime";
		3752
		3753	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3754	or return;
		3755
		3756	my $value = $cf::RUNTIME + 90 + 10;
		3757	# 10 is the runtime save interval, for a monotonic clock
		3758	# 60 allows for the watchdog to kill the server.
		3759
		3760	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3761	and return;
		3762
		3763	# always fsync - this file is important
		3764	aio_fsync $fh
		3765	and return;
		3766
		3767	# touch it again to show we are up-to-date
		3768	aio_utime $fh, undef, undef;
		3769
		3770	close $fh
		3771	or return;
		3772
		3773	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3774	and return;
		3775
		3776	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3777
2470	}	3778	1
		3779	}
		3780
		3781	our $uuid_lock;
		3782	our $uuid_skip;
		3783
		3784	sub write_uuid_sync($) {
		3785	$uuid_skip ||= $_[0];
		3786
		3787	return if $uuid_lock;
		3788	local $uuid_lock = 1;
		3789
		3790	my $uuid = "$LOCALDIR/uuid";
		3791
		3792	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3793	or return;
		3794
		3795	my $value = uuid_seq uuid_cur;
		3796
		3797	unless ($value) {
		3798	info "cowardly refusing to write zero uuid value!\n";
		3799	return;
		3800	}
		3801
		3802	my $value = uuid_str $value + $uuid_skip;
		3803	$uuid_skip = 0;
		3804
		3805	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3806	and return;
		3807
		3808	# always fsync - this file is important
		3809	aio_fsync $fh
		3810	and return;
		3811
		3812	close $fh
		3813	or return;
		3814
		3815	aio_rename "$uuid~", $uuid
		3816	and return;
		3817
		3818	trace "uuid file written ($value).\n";
		3819
		3820	1
		3821
		3822	}
		3823
		3824	sub write_uuid($$) {
		3825	my ($skip, $sync) = @_;
		3826
		3827	$sync ? write_uuid_sync $skip
		3828	: async { write_uuid_sync $skip };
2471	}	3829	}
2472		3830
2473	sub emergency_save() {	3831	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	3832	my $freeze_guard = cf::freeze_mainloop;
2475		3833
2476	warn "enter emergency perl save\n";	3834	info "emergency_perl_save: enter\n";
		3835
		3836	# this is a trade-off: we want to be very quick here, so
		3837	# save all maps without fsync, and later call a global sync
		3838	# (which in turn might be very very slow)
		3839	local $USE_FSYNC = 0;
2477		3840
2478	cf::sync_job {	3841	cf::sync_job {
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
2479	# use a peculiar iteration method to avoid tripping on perl	3844	# use a peculiar iteration method to avoid tripping on perl
2480	# refcount bugs in for. also avoids problems with players	3845	# refcount bugs in for. also avoids problems with players
2481	# and maps saved/destroyed asynchronously.	3846	# and maps saved/destroyed asynchronously.
2482	warn "begin emergency player save\n";	3847	info "emergency_perl_save: begin player save\n";
2483	for my $login (keys %cf::PLAYER) {	3848	for my $login (keys %cf::PLAYER) {
2484	my $pl = $cf::PLAYER{$login} or next;	3849	my $pl = $cf::PLAYER{$login} or next;
2485	$pl->valid or next;	3850	$pl->valid or next;
		3851	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486	$pl->save;	3852	$pl->save;
2487	}	3853	}
2488	warn "end emergency player save\n";	3854	info "emergency_perl_save: end player save\n";
2489		3855
2490	warn "begin emergency map save\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin map save\n";
2491	for my $path (keys %cf::MAP) {	3859	for my $path (keys %cf::MAP) {
2492	my $map = $cf::MAP{$path} or next;	3860	my $map = $cf::MAP{$path} or next;
2493	$map->valid or next;	3861	$map->valid or next;
2494	$map->save;	3862	$map->save;
2495	}	3863	}
2496	warn "end emergency map save\n";	3864	info "emergency_perl_save: end map save\n";
2497		3865
2498	warn "begin emergency database checkpoint\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin database checkpoint\n";
2499	BDB::db_env_txn_checkpoint $DB_ENV;	3869	BDB::db_env_txn_checkpoint $DB_ENV;
2500	warn "end emergency database checkpoint\n";	3870	info "emergency_perl_save: end database checkpoint\n";
		3871
		3872	info "emergency_perl_save: begin write uuid\n";
		3873	write_uuid_sync 1;
		3874	info "emergency_perl_save: end write uuid\n";
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: syncing database to disk";
		3879	BDB::db_env_txn_checkpoint $DB_ENV;
		3880
		3881	info "emergency_perl_save: starting sync\n";
		3882	IO::AIO::aio_sync sub {
		3883	info "emergency_perl_save: finished sync\n";
		3884	};
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: flushing outstanding aio requests";
		3889	while (IO::AIO::nreqs || BDB::nreqs) {
		3890	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3891	}
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
2501	};	3894	};
2502		3895
2503	warn "leave emergency perl save\n";	3896	info "emergency_perl_save: leave\n";
2504	}	3897	}
2505		3898
2506	sub post_cleanup {	3899	sub post_cleanup {
2507	my ($make_core) = @_;	3900	my ($make_core) = @_;
2508		3901
		3902	IO::AIO::flush;
		3903
2509	warn Carp::longmess "post_cleanup backtrace"	3904	error Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	3905	if $make_core;
2511	}
2512		3906
		3907	my $fh = pidfile;
		3908	unlink $PIDFILE if <$fh> == $$;
		3909	}
		3910
		3911	# a safer delete_package, copied from Symbol
		3912	sub clear_package($) {
		3913	my $pkg = shift;
		3914
		3915	# expand to full symbol table name if needed
		3916	unless ($pkg =~ /^main::.*::$/) {
		3917	$pkg = "main$pkg" if $pkg =~ /^::/;
		3918	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3919	$pkg .= '::' unless $pkg =~ /::$/;
		3920	}
		3921
		3922	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3923	my $stem_symtab = *{$stem}{HASH};
		3924
		3925	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3926	or return;
		3927
		3928	# clear all symbols
		3929	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3930	for my $name (keys %$leaf_symtab) {
		3931	_gv_clear *{"$pkg$name"};
		3932	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3933	}
		3934	}
		3935
2513	sub reload() {	3936	sub do_reload_perl() {
2514	# can/must only be called in main	3937	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	3938	unless (in_main) {
2516	warn "can only reload from main coroutine";	3939	error "can only reload from main coroutine";
2517	return;	3940	return;
2518	}	3941	}
2519		3942
2520	warn "reloading...";	3943	return if $RELOAD++;
2521		3944
2522	warn "entering sync_job";	3945	my $t1 = AE::time;
2523		3946
		3947	while ($RELOAD) {
		3948	cf::get_slot 0.1, -1, "reload_perl";
		3949	info "perl_reload: reloading...";
		3950
		3951	trace "perl_reload: entering sync_job";
		3952
2524	cf::sync_job {	3953	cf::sync_job {
2525	cf::write_runtime; # external watchdog should not bark
2526	cf::emergency_save;	3954	#cf::emergency_save;
2527	cf::write_runtime; # external watchdog should not bark
2528		3955
2529	warn "syncing database to disk";
2530	BDB::db_env_txn_checkpoint $DB_ENV;
2531
2532	# if anything goes wrong in here, we should simply crash as we already saved
2533
2534	warn "cancelling all WF_AUTOCANCEL watchers";
2535	for (Event::all_watchers) {
2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2537	}
2538
2539	warn "flushing outstanding aio requests";
2540	for (;;) {
2541	BDB::flush;
2542	IO::AIO::flush;
2543	Coro::cede;
2544	last unless IO::AIO::nreqs || BDB::nreqs;
2545	warn "iterate...";
2546	}
2547
2548	++$RELOAD;
2549
2550	warn "cancelling all extension coros";	3956	trace "perl_reload: cancelling all extension coros";
2551	$_->cancel for values %EXT_CORO;	3957	$_->cancel for values %EXT_CORO;
2552	%EXT_CORO = ();	3958	%EXT_CORO = ();
2553		3959
2554	warn "removing commands";	3960	trace "perl_reload: removing commands";
2555	%COMMAND = ();	3961	%COMMAND = ();
2556		3962
2557	warn "removing ext commands";	3963	trace "perl_reload: removing ext/exti commands";
2558	%EXTCMD = ();	3964	%EXTCMD = ();
		3965	%EXTICMD = ();
2559		3966
2560	warn "unloading/nuking all extensions";	3967	trace "perl_reload: unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {	3968	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";	3969	trace "... unloading $pkg";
2563		3970
2564	if (my $cb = $pkg->can ("unload")) {	3971	if (my $cb = $pkg->can ("unload")) {
2565	eval {	3972	eval {
2566	$cb->($pkg);	3973	$cb->($pkg);
2567	1	3974	1
2568	} or warn "$pkg unloaded, but with errors: $@";	3975	} or error "$pkg unloaded, but with errors: $@";
		3976	}
		3977
		3978	trace "... clearing $pkg";
		3979	clear_package $pkg;
2569	}	3980	}
2570		3981
2571	warn "... nuking $pkg";
2572	Symbol::delete_package $pkg;
2573	}
2574
2575	warn "unloading all perl modules loaded from $LIBDIR";	3982	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2576	while (my ($k, $v) = each %INC) {	3983	while (my ($k, $v) = each %INC) {
2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3984	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2578		3985
2579	warn "... unloading $k";	3986	trace "... unloading $k";
2580	delete $INC{$k};	3987	delete $INC{$k};
2581		3988
2582	$k =~ s/\.pm$//;	3989	$k =~ s/\.pm$//;
2583	$k =~ s/\//::/g;	3990	$k =~ s/\//::/g;
2584		3991
2585	if (my $cb = $k->can ("unload_module")) {	3992	if (my $cb = $k->can ("unload_module")) {
2586	$cb->();	3993	$cb->();
		3994	}
		3995
		3996	clear_package $k;
2587	}	3997	}
2588		3998
2589	Symbol::delete_package $k;
2590	}
2591
2592	warn "getting rid of safe::, as good as possible";	3999	trace "perl_reload: getting rid of safe::, as good as possible";
2593	Symbol::delete_package "safe::$_"	4000	clear_package "safe::$_"
2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4001	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2595		4002
2596	warn "unloading cf.pm \"a bit\"";	4003	trace "perl_reload: unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	4004	delete $INC{"cf.pm"};
		4005	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2598		4006
2599	# don't, removes xs symbols, too,	4007	# don't, removes xs symbols, too,
2600	# and global variables created in xs	4008	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	4009	#clear_package __PACKAGE__;
2602		4010
2603	warn "unload completed, starting to reload now";	4011	info "perl_reload: unload completed, starting to reload now";
2604		4012
2605	warn "reloading cf.pm";	4013	trace "perl_reload: reloading cf.pm";
2606	require cf;	4014	require cf;
2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4015	cf::_connect_to_perl_1;
2608		4016
2609	warn "loading config and database again";	4017	trace "perl_reload: loading config and database again";
2610	cf::cfg_load;	4018	cf::reload_config;
2611		4019
2612	warn "loading extensions";	4020	trace "perl_reload: loading extensions";
2613	cf::load_extensions;	4021	cf::load_extensions;
2614		4022
		4023	if ($REATTACH_ON_RELOAD) {
2615	warn "reattaching attachments to objects/players";	4024	trace "perl_reload: reattaching attachments to objects/players";
2616	_global_reattach; # objects, sockets	4025	_global_reattach; # objects, sockets
2617	warn "reattaching attachments to maps";	4026	trace "perl_reload: reattaching attachments to maps";
2618	reattach $_ for values %MAP;	4027	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	4028	trace "perl_reload: reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	4029	reattach $_ for values %PLAYER;
		4030	}
2621		4031
2622	warn "loading reloadable resources";	4032	cf::_post_init 1;
2623	reload_resources;
2624		4033
2625	warn "leaving sync_job";	4034	trace "perl_reload: leaving sync_job";
2626		4035
2627	1	4036	1
2628	} or do {	4037	} or do {
2629	warn $@;	4038	error $@;
2630	warn "error while reloading, exiting.";	4039	cf::cleanup "perl_reload: error, exiting.";
2631	exit 1;	4040	};
		4041
		4042	--$RELOAD;
		4043	}
		4044
		4045	$t1 = AE::time - $t1;
		4046	info "perl_reload: completed in ${t1}s\n";
		4047	};
		4048
		4049	our $RELOAD_WATCHER; # used only during reload
		4050
		4051	sub reload_perl() {
		4052	# doing reload synchronously and two reloads happen back-to-back,
		4053	# coro crashes during coro_state_free->destroy here.
		4054
		4055	$RELOAD_WATCHER ||= cf::async {
		4056	Coro::AIO::aio_wait cache_extensions;
		4057
		4058	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4059	do_reload_perl;
		4060	undef $RELOAD_WATCHER;
		4061	};
2632	};	4062	};
2633		4063	}
2634	warn "reloaded";
2635	};
2636
2637	our $RELOAD_WATCHER; # used only during reload
2638		4064
2639	register_command "reload" => sub {	4065	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	4066	my ($who, $arg) = @_;
2641		4067
2642	if ($who->flag (FLAG_WIZ)) {	4068	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	4069	$who->message ("reloading server.");
2644		4070	async {
2645	# doing reload synchronously and two reloads happen back-to-back,	4071	$Coro::current->{desc} = "perl_reload";
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;	4072	reload_perl;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);	4073	};
2657	}	4074	}
2658	};	4075	};
2659		4076
2660	unshift @INC, $LIBDIR;	4077	#############################################################################
2661		4078
2662	my $bug_warning = 0;	4079	my $bug_warning = 0;
2663		4080
2664	our @WAIT_FOR_TICK;
2665	our @WAIT_FOR_TICK_BEGIN;
2666
2667	sub wait_for_tick {	4081	sub wait_for_tick() {
2668	return unless $TICK_WATCHER->is_active;	4082	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2669	return if $Coro::current == $Coro::main;
2670		4083
2671	my $signal = new Coro::Signal;	4084	$WAIT_FOR_TICK->wait;
2672	push @WAIT_FOR_TICK, $signal;
2673	$signal->wait;
2674	}	4085	}
2675		4086
2676	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
2677	return unless $TICK_WATCHER->is_active;	4088	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2678	return if $Coro::current == $Coro::main;
2679		4089
2680	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
2681	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
2682	$signal->wait;	4092	$signal->wait;
2683	}	4093	}
2684		4094
2685	$TICK_WATCHER = Event->timer (	4095	sub tick {
2686	reentrant => 0,
2687	parked => 1,
2688	prio => 0,
2689	at => $NEXT_TICK || $TICK,
2690	data => WF_AUTOCANCEL,
2691	cb => sub {
2692	if ($Coro::current != $Coro::main) {	4096	if ($Coro::current != $Coro::main) {
2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
2695	return;	4099	return;
2696	}	4100	}
2697		4101
2698	$NOW = Event::time;	4102	cf::one_tick; # one server iteration
2699		4103
2700	cf::server_tick; # one server iteration	4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2701		4105
2702	$RUNTIME += $TICK;
2703	$NEXT_TICK += $TICK;
2704
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706	$NEXT_RUNTIME_WRITE = $NOW + 10;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707	Coro::async_pool {	4108	Coro::async_pool {
		4109	$Coro::current->{desc} = "runtime saver";
2708	write_runtime	4110	write_runtime_sync
2709	or warn "ERROR: unable to write runtime file: $!";	4111	or error "ERROR: unable to write runtime file: $!";
2710	};
2711	}	4112	};
		4113	}
2712		4114
2713	# my $AFTER = Event::time;
2714	# warn $AFTER - $NOW;#d#
2715
2716	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2718
2719	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;
2721
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723	$sig->send;	4116	$sig->send;
2724	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;
2727	}
2728
2729	_post_tick;
2730	},	4117	}
2731	);	4118	$WAIT_FOR_TICK->broadcast;
		4119
		4120	$LOAD = ($NOW - $TICK_START) / $TICK;
		4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4122
		4123	if (0) {
		4124	if ($NEXT_TICK) {
		4125	my $jitter = $TICK_START - $NEXT_TICK;
		4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4127	debug "jitter $JITTER\n";#d#
		4128	}
		4129	}
		4130	}
2732		4131
2733	{	4132	{
2734	BDB::max_poll_time $TICK * 0.1;	4133	# configure BDB
2735	$BDB_POLL_WATCHER = Event->io (	4134
2736	reentrant => 0,
2737	fd => BDB::poll_fileno,
2738	poll => 'r',
2739	prio => 0,
2740	data => WF_AUTOCANCEL,
2741	cb => \&BDB::poll_cb,
2742	);
2743	BDB::min_parallel 8;	4135	BDB::min_parallel 16;
2744		4136	BDB::max_poll_reqs $TICK * 0.1;
2745	BDB::set_sync_prepare {	4137	#$AnyEvent::BDB::WATCHER->priority (1);
2746	my $status;
2747	my $current = $Coro::current;
2748	(
2749	sub {
2750	$status = $!;
2751	$current->ready; undef $current;
2752	},
2753	sub {
2754	Coro::schedule while defined $current;
2755	$! = $status;
2756	},
2757	)
2758	};
2759		4138
2760	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
2761	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
		4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2762		4146
2763	cf::sync_job {	4147	cf::sync_job {
2764	eval {	4148	eval {
2765	BDB::db_env_open	4149	BDB::db_env_open
2766	$DB_ENV,	4150	$DB_ENV,
2767	$BDB_ENV_DIR,	4151	$BDBDIR,
2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4152	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4153	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	4154	0666;
2771		4155
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4156	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;
2776	};	4157	};
2777		4158
2778	cf::cleanup "db_env_open(db): $@" if $@;	4159	cf::cleanup "db_env_open(db): $@" if $@;
2779	};	4160	};
2780	}	4161	}
		4162
		4163	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4164	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4165	};
		4166	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4167	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4168	};
		4169	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4170	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4171	};
2781	}	4172	}
2782		4173
2783	{	4174	{
		4175	# configure IO::AIO
		4176
2784	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
2785
2786	undef $Coro::AIO::WATCHER;
2787	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
2788	$AIO_POLL_WATCHER = Event->io (	4179	undef $AnyEvent::AIO::WATCHER;
2789	reentrant => 0,
2790	data => WF_AUTOCANCEL,
2791	fd => IO::AIO::poll_fileno,
2792	poll => 'r',
2793	prio => 6,
2794	cb => \&IO::AIO::poll_cb,
2795	);
2796	}	4180	}
		4181
		4182	our $_log_backtrace;
		4183	our $_log_backtrace_last;
		4184
		4185	sub _log_backtrace {
		4186	my ($msg, @addr) = @_;
		4187
		4188	$msg =~ s/\n$//;
		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4193	# limit the # of concurrent backtraces
		4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
		4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
		4198	async {
		4199	$Coro::current->{desc} = "abt $msg";
		4200
		4201	my @bt = fork_call {
		4202	@addr = map { sprintf "%x", $_ } @addr;
		4203	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4204	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4205	or die "addr2line: $!";
		4206
		4207	my @funcs;
		4208	my @res = <$fh>;
		4209	chomp for @res;
		4210	while (@res) {
		4211	my ($func, $line) = splice @res, 0, 2, ();
		4212	push @funcs, "[$func] $line";
		4213	}
		4214
		4215	@funcs
		4216	};
		4217
		4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4220	LOG llevInfo, "[ABT] $_\n" for @bt;
		4221	--$_log_backtrace;
		4222	};
		4223	} else {
		4224	LOG llevInfo, "[ABT] $msg\n";
		4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4226	}
		4227	}
		4228
		4229	# load additional modules
		4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
2797		4232
2798	END { cf::emergency_save }	4233	END { cf::emergency_save }
2799		4234
2800	1	4235	1
2801		4236

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