ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.239 by root, Mon Apr 16 06:23:42 2007 UTC vs.
Revision 1.581 by root, Fri Feb 3 02:04:11 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 3.52 ();	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
58		96
59	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	98
61	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
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	$EV::DIED = sub {
181	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
182	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
183		349
184	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
185		351
186	=over 4	352	=over 4
187		353
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	373	$d
208	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
209	}	375	}
210		376
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = cf::load_file $path
212		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
		391	=item $success = cf::replace_file $path, $data, $sync
		392
		393	Atomically replaces the file at the given $path with new $data, and
		394	optionally $sync the data to disk before replacing the file.
		395
		396	=cut
		397
		398	sub replace_file($$;$) {
		399	my ($path, $data, $sync) = @_;
		400
		401	my $lock = cf::lock_acquire ("replace_file:$path");
		402
		403	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		404	or return;
		405
		406	$data = $data->() if ref $data;
		407
		408	length $data == aio_write $fh, 0, (length $data), $data, 0
		409	or return;
		410
		411	!$sync
		412	or !aio_fsync $fh
		413	or return;
		414
		415	aio_close $fh
		416	and return;
		417
		418	aio_rename "$path~", $path
		419	and return;
		420
		421	if ($sync) {
		422	$path =~ s%/[^/]*$%%;
		423	aio_pathsync $path;
		424	}
		425
		426	1
		427	}
		428
213	=item $ref = cf::from_json $json	429	=item $ref = cf::decode_json $json
214		430
215	Converts a JSON string into the corresponding perl data structure.	431	Converts a JSON string into the corresponding perl data structure.
216		432
217	=item $json = cf::to_json $ref	433	=item $json = cf::encode_json $ref
218		434
219	Converts a perl data structure into its JSON representation.	435	Converts a perl data structure into its JSON representation.
220		436
		437	=cut
		438
		439	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		440
		441	sub encode_json($) { $json_coder->encode ($_[0]) }
		442	sub decode_json($) { $json_coder->decode ($_[0]) }
		443
		444	=item $ref = cf::decode_storable $scalar
		445
		446	Same as Coro::Storable::thaw, so blocks.
		447
		448	=cut
		449
		450	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		451
		452	=item $ref = cf::decode_yaml $scalar
		453
		454	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		455
		456	=cut
		457
		458	sub decode_yaml($) {
		459	fork_call { YAML::XS::Load $_[0] } @_
		460	}
		461
		462	=item $scalar = cf::unlzf $scalar
		463
		464	Same as Compress::LZF::compress, but takes server ticks into account, so
		465	blocks.
		466
		467	=cut
		468
		469	sub unlzf($) {
		470	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		471	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		472	Compress::LZF::decompress $_[0]
		473	}
		474
		475	=item cf::post_init { BLOCK }
		476
		477	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		478	but I<before> the server starts ticking again.
		479
		480	The codeblock will have a single boolean argument to indicate whether this
		481	is a reload or not.
		482
		483	=cut
		484
		485	sub post_init(&) {
		486	push @POST_INIT, shift;
		487	}
		488
		489	sub _post_init {
		490	trace "running post_init jobs";
		491
		492	# run them in parallel...
		493
		494	my @join;
		495
		496	while () {
		497	push @join, map &Coro::async ($_, 0), @POST_INIT;
		498	@POST_INIT = ();
		499
		500	@join or last;
		501
		502	(pop @join)->join;
		503	}
		504	}
		505
221	=item cf::lock_wait $string	506	=item cf::lock_wait $string
222		507
223	Wait until the given lock is available. See cf::lock_acquire.	508	Wait until the given lock is available. See cf::lock_acquire.
224		509
225	=item my $lock = cf::lock_acquire $string	510	=item my $lock = cf::lock_acquire $string
226		511
227	Wait until the given lock is available and then acquires it and returns	512	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,	513	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	514	for example when the coroutine gets canceled), the lock is automatically
230	returned.	515	returned.
231		516
		517	Locks are *not* recursive, locking from the same coro twice results in a
		518	deadlocked coro.
		519
232	Lock names should begin with a unique identifier (for example, cf::map::find	520	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	521	uses map_find and cf::map::load uses map_load).
234		522
235	=cut	523	=item $locked = cf::lock_active $string
236		524
237	our %LOCK;	525	Return true if the lock is currently active, i.e. somebody has locked it.
		526
		527	=cut
		528
		529	our $LOCKS = new Coro::SemaphoreSet;
238		530
239	sub lock_wait($) {	531	sub lock_wait($) {
240	my ($key) = @_;	532	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	533	}
248		534
249	sub lock_acquire($) {	535	sub lock_acquire($) {
250	my ($key) = @_;	536	$LOCKS->guard ($_[0])
		537	}
251		538
252	# wait, to be sure we are not locked	539	sub lock_active($) {
253	lock_wait $key;	540	$LOCKS->count ($_[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	}	541	}
262		542
263	sub freeze_mainloop {	543	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	544	tick_inhibit_inc;
265		545
266	my $guard = Coro::guard {	546	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	547	}
		548
		549	=item cf::periodic $interval, $cb
		550
		551	Like EV::periodic, but randomly selects a starting point so that the actions
		552	get spread over time.
		553
		554	=cut
		555
		556	sub periodic($$) {
		557	my ($interval, $cb) = @_;
		558
		559	my $start = rand List::Util::min 180, $interval;
		560
		561	EV::periodic $start, $interval, 0, $cb
		562	}
		563
		564	=item cf::get_slot $time[, $priority[, $name]]
		565
		566	Allocate $time seconds of blocking CPU time at priority C<$priority>
		567	(default: 0): This call blocks and returns only when you have at least
		568	C<$time> seconds of cpu time till the next tick. The slot is only valid
		569	till the next cede.
		570
		571	Background jobs should use a priority les than zero, interactive jobs
		572	should use 100 or more.
		573
		574	The optional C<$name> can be used to identify the job to run. It might be
		575	used for statistical purposes and should identify the same time-class.
		576
		577	Useful for short background jobs.
		578
		579	=cut
		580
		581	our @SLOT_QUEUE;
		582	our $SLOT_QUEUE;
		583	our $SLOT_DECAY = 0.9;
		584
		585	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		586	$SLOT_QUEUE = Coro::async {
		587	$Coro::current->desc ("timeslot manager");
		588
		589	my $signal = new Coro::Signal;
		590	my $busy;
		591
		592	while () {
		593	next_job:
		594
		595	my $avail = cf::till_tick;
		596
		597	for (0 .. $#SLOT_QUEUE) {
		598	if ($SLOT_QUEUE[$_][0] <= $avail) {
		599	$busy = 0;
		600	my $job = splice @SLOT_QUEUE, $_, 1, ();
		601	$job->[2]->send;
		602	Coro::cede;
		603	goto next_job;
		604	} else {
		605	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		606	}
		607	}
		608
		609	if (@SLOT_QUEUE) {
		610	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		611	$WAIT_FOR_TICK->wait;
		612	} else {
		613	$busy = 0;
		614	Coro::schedule;
		615	}
268	};	616	}
269	$TICK_WATCHER->stop;	617	};
270	$guard	618
		619	sub get_slot($;$$) {
		620	return if tick_inhibit || $Coro::current == $Coro::main;
		621
		622	my ($time, $pri, $name) = @_;
		623
		624	$time = clamp $time, 0.01, $TICK * .6;
		625
		626	my $sig = new Coro::Signal;
		627
		628	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		629	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		630	$SLOT_QUEUE->ready;
		631	$sig->wait;
271	}	632	}
272		633
273	=item cf::async { BLOCK }	634	=item cf::async { BLOCK }
274		635
275	Currently the same as Coro::async_pool, meaning you cannot use	636	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		641
281	BEGIN { *async = \&Coro::async_pool }	642	BEGIN { *async = \&Coro::async_pool }
282		643
283	=item cf::sync_job { BLOCK }	644	=item cf::sync_job { BLOCK }
284		645
285	The design of crossfire+ requires that the main coro ($Coro::main) is	646	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	647	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	648	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		649	acceptable.
288		650
289	If it must be done, put the blocking parts into C<sync_job>. This will run	651	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	652	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	653	server will be frozen during this time, so the block should either finish
292	fast or be very important.	654	fast or be very important.
…		…
294	=cut	656	=cut
295		657
296	sub sync_job(&) {	658	sub sync_job(&) {
297	my ($job) = @_;	659	my ($job) = @_;
298		660
299	if ($Coro::current == $Coro::main) {	661	if (in_main) {
		662	my $time = AE::time;
		663
300	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
302		666
303	# TODO: use suspend/resume instead	667	#LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	668
305	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
306		670
307	my $busy = 1;	671	my $busy = 1;
308	my @res;	672	my @res;
309		673
310	(async {	674	(async {
		675	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	676	@res = eval { $job->() };
312	warn $@ if $@;	677	error $@ if $@;
313	undef $busy;	678	undef $busy;
314	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
315		680
316	while ($busy) {	681	while ($busy) {
317	Coro::cede or Event::one_event;	682	if (Coro::nready) {
		683	Coro::cede_notself;
		684	} else {
		685	EV::loop EV::LOOP_ONESHOT;
318	}	686	}
		687	}
		688
		689	my $time = AE::time - $time;
		690
		691	$TICK_START += $time; # do not account sync jobs to server load
319		692
320	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
321	} else {	694	} else {
322	# we are in another coroutine, how wonderful, everything just works	695	# we are in another coroutine, how wonderful, everything just works
323		696
…		…
343	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
344		717
345	$coro	718	$coro
346	}	719	}
347		720
348	sub write_runtime {	721	=item fork_call { }, @args
349	my $guard = cf::lock_acquire "write_runtime";
350		722
351	my $runtime = cf::localdir . "/runtime";	723	Executes the given code block with the given arguments in a seperate
		724	process, returning the results. Everything must be serialisable with
		725	Coro::Storable. May, of course, block. Note that the executed sub may
		726	never block itself or use any form of event handling.
352		727
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	728	=cut
354	or return;
355		729
356	my $value = $cf::RUNTIME + 90 + 10;	730	sub post_fork {
357	# 10 is the runtime save interval, for a monotonic clock	731	reset_signals;
358	# 60 allows for the watchdog to kill the server.	732	}
359		733
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	734	sub fork_call(&@) {
361	and return;	735	my ($cb, @args) = @_;
362		736
363	# always fsync - this file is important	737	# we seemingly have to make a local copy of the whole thing,
364	aio_fsync $fh	738	# otherwise perl prematurely frees the stuff :/
365	and return;	739	# TODO: investigate and fix (likely this will be rather laborious)
366		740
367	close $fh	741	my @res = Coro::Util::fork_eval {
368	or return;	742	cf::post_fork;
		743	&$cb
		744	} @args;
369		745
370	aio_rename "$runtime~", $runtime	746	wantarray ? @res : $res[-1]
371	and return;	747	}
372		748
		749	sub objinfo {
373	1	750	(
		751	"counter value" => cf::object::object_count,
		752	"objects created" => cf::object::create_count,
		753	"objects destroyed" => cf::object::destroy_count,
		754	"freelist size" => cf::object::free_count,
		755	"allocated objects" => cf::object::objects_size,
		756	"active objects" => cf::object::actives_size,
		757	)
		758	}
		759
		760	=item $coin = coin_from_name $name
		761
		762	=cut
		763
		764	our %coin_alias = (
		765	"silver" => "silvercoin",
		766	"silvercoin" => "silvercoin",
		767	"silvercoins" => "silvercoin",
		768	"gold" => "goldcoin",
		769	"goldcoin" => "goldcoin",
		770	"goldcoins" => "goldcoin",
		771	"platinum" => "platinacoin",
		772	"platinumcoin" => "platinacoin",
		773	"platinumcoins" => "platinacoin",
		774	"platina" => "platinacoin",
		775	"platinacoin" => "platinacoin",
		776	"platinacoins" => "platinacoin",
		777	"royalty" => "royalty",
		778	"royalties" => "royalty",
		779	);
		780
		781	sub coin_from_name($) {
		782	$coin_alias{$_[0]}
		783	? cf::arch::find $coin_alias{$_[0]}
		784	: undef
		785	}
		786
		787	=item $value = cf::db_get $family => $key
		788
		789	Returns a single value from the environment database.
		790
		791	=item cf::db_put $family => $key => $value
		792
		793	Stores the given C<$value> in the family. It can currently store binary
		794	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		795
		796	=item $db = cf::db_table "name"
		797
		798	Create and/or open a new database table. The string must not be "db" and must be unique
		799	within each server.
		800
		801	=cut
		802
		803	sub db_table($) {
		804	cf::error "db_get called from main context"
		805	if $Coro::current == $Coro::main;
		806
		807	my ($name) = @_;
		808	my $db = BDB::db_create $DB_ENV;
		809
		810	eval {
		811	$db->set_flags (BDB::CHKSUM);
		812
		813	utf8::encode $name;
		814	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		815	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		816	cf::cleanup "db_open(db): $!" if $!;
		817	};
		818	cf::cleanup "db_open(db): $@" if $@;
		819
		820	$db
		821	}
		822
		823	our $DB;
		824
		825	sub db_init {
		826	$DB ||= db_table "db";
		827	}
		828
		829	sub db_get($$) {
		830	my $key = "$_[0]/$_[1]";
		831
		832	cf::error "db_get called from main context"
		833	if $Coro::current == $Coro::main;
		834
		835	BDB::db_get $DB, undef, $key, my $data;
		836
		837	$! ? ()
		838	: $data
		839	}
		840
		841	sub db_put($$$) {
		842	BDB::dbreq_pri 4;
		843	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		844	}
		845
		846	=item cf::cache $id => [$paths...], $processversion => $process
		847
		848	Generic caching function that returns the value of the resource $id,
		849	caching and regenerating as required.
		850
		851	This function can block.
		852
		853	=cut
		854
		855	sub cache {
		856	my ($id, $src, $processversion, $process) = @_;
		857
		858	my $meta =
		859	join "\x00",
		860	$processversion,
		861	map {
		862	aio_stat $_
		863	and Carp::croak "$_: $!";
		864
		865	($_, (stat _)[7,9])
		866	} @$src;
		867
		868	my $dbmeta = db_get cache => "$id/meta";
		869	if ($dbmeta ne $meta) {
		870	# changed, we may need to process
		871
		872	my @data;
		873	my $md5;
		874
		875	for (0 .. $#$src) {
		876	$data[$_] = load_file $src->[$_];
		877	}
		878
		879	# if processing is expensive, check
		880	# checksum first
		881	if (1) {
		882	$md5 =
		883	join "\x00",
		884	$processversion,
		885	map {
		886	cf::cede_to_tick;
		887	($src->[$_], Digest::MD5::md5_hex $data[$_])
		888	} 0.. $#$src;
		889
		890
		891	my $dbmd5 = db_get cache => "$id/md5";
		892	if ($dbmd5 eq $md5) {
		893	db_put cache => "$id/meta", $meta;
		894
		895	return db_get cache => "$id/data";
		896	}
		897	}
		898
		899	my $t1 = Time::HiRes::time;
		900	my $data = $process->(\@data);
		901	my $t2 = Time::HiRes::time;
		902
		903	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		904
		905	db_put cache => "$id/data", $data;
		906	db_put cache => "$id/md5" , $md5;
		907	db_put cache => "$id/meta", $meta;
		908
		909	return $data;
		910	}
		911
		912	db_get cache => "$id/data"
374	}	913	}
375		914
376	=item cf::datalog type => key => value, ...	915	=item cf::datalog type => key => value, ...
377		916
378	Log a datalog packet of the given type with the given key-value pairs.	917	Log a datalog packet of the given type with the given key-value pairs.
379		918
380	=cut	919	=cut
381		920
382	sub datalog($@) {	921	sub datalog($@) {
383	my ($type, %kv) = @_;	922	my ($type, %kv) = @_;
384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	923	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	924	}
386		925
387	=back	926	=back
388		927
389	=cut	928	=cut
390		929
391	#############################################################################	930	#############################################################################
392		931
393	=head2 ATTACHABLE OBJECTS	932	=head2 ATTACHABLE OBJECTS
394		933
395	Many objects in crossfire are so-called attachable objects. That means you can	934	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")	935	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	936	to it. All such attachable objects support the following methods.
398		937
399	In the following description, CLASS can be any of C<global>, C<object>	938	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	939	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	940	Deliantra).
402		941
403	=over 4	942	=over 4
404		943
405	=item $attachable->attach ($attachment, key => $value...)	944	=item $attachable->attach ($attachment, key => $value...)
406		945
…		…
450	=item cf::CLASS::attachment $name, ...	989	=item cf::CLASS::attachment $name, ...
451		990
452	Register an attachment by C<$name> through which attachable objects of the	991	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	992	given CLASS can refer to this attachment.
454		993
455	Some classes such as crossfire maps and objects can specify attachments	994	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.	995	that are attached at load/instantiate time, thus the need for a name.
457		996
458	These calls expect any number of the following handler/hook descriptions:	997	These calls expect any number of the following handler/hook descriptions:
459		998
460	=over 4	999	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	1108	$registry = $CB_TYPE[$object_type] ||= [];
570		1109
571	} elsif ($type eq "subtype") {	1110	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	1111	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	1112	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1113	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		1114
576	} elsif ($type eq "package") {	1115	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	1116	my $pkg = shift @arg;
578		1117
579	while (my ($name, $id) = each %cb_id) {	1118	while (my ($name, $id) = each %cb_id) {
…		…
584		1123
585	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
586	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
587		1126
588	} elsif (ref $type) {	1127	} elsif (ref $type) {
589	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
590		1129
591	} else {	1130	} else {
592	shift @arg;	1131	shift @arg;
593	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
594	}	1133	}
595	}	1134	}
596	}	1135	}
597		1136
598	sub _object_attach {	1137	sub _object_attach {
…		…
608	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
609	}	1148	}
610		1149
611	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
612	} else {	1151	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
614	}	1153	}
615		1154
616	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
617	}	1156	}
618		1157
…		…
620	if (ref $_[0]) {	1159	if (ref $_[0]) {
621	_object_attach @_;	1160	_object_attach @_;
622	} else {	1161	} else {
623	_attach shift->_attach_registry, @_;	1162	_attach shift->_attach_registry, @_;
624	}	1163	}
		1164	_recalc_want;
625	};	1165	};
626		1166
627	# all those should be optimised	1167	# all those should be optimised
628	sub cf::attachable::detach {	1168	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	1169	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	1172	delete $obj->{_attachment}{$name};
633	reattach ($obj);	1173	reattach ($obj);
634	} else {	1174	} else {
635	Carp::croak "cannot, currently, detach class attachments";	1175	Carp::croak "cannot, currently, detach class attachments";
636	}	1176	}
		1177	_recalc_want;
637	};	1178	};
638		1179
639	sub cf::attachable::attached {	1180	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1181	my ($obj, $name) = @_;
641		1182
…		…
656	";	1197	";
657	die if $@;	1198	die if $@;
658	}	1199	}
659		1200
660	our $override;	1201	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1202	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1203
663	sub override {	1204	sub override {
664	$override = 1;	1205	$override = 1;
665	@invoke_results = ();	1206	@INVOKE_RESULTS = (@_);
666	}	1207	}
667		1208
668	sub do_invoke {	1209	sub do_invoke {
669	my $event = shift;	1210	my $event = shift;
670	my $callbacks = shift;	1211	my $callbacks = shift;
671		1212
672	@invoke_results = ();	1213	@INVOKE_RESULTS = ();
673		1214
674	local $override;	1215	local $override;
675		1216
676	for (@$callbacks) {	1217	for (@$callbacks) {
677	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
678		1219
679	if ($@) {	1220	if ($@) {
680	warn "$@";
681	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
682	override;	1222	override;
683	}	1223	}
684		1224
685	return 1 if $override;	1225	return 1 if $override;
686	}	1226	}
687		1227
688	0	1228	0
689	}	1229	}
690		1230
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1231	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1232
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1233	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1234
695	Generate an object-specific event with the given arguments.	1235	Generate an object-specific event with the given arguments.
696		1236
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1237	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	1238	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1239	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1240
701	=back	1241	=back
702		1242
703	=cut	1243	=cut
704		1244
705	#############################################################################	1245	#############################################################################
706	# object support	1246	# object support
		1247
		1248	sub _object_equal($$);
		1249	sub _object_equal($$) {
		1250	my ($a, $b) = @_;
		1251
		1252	return 0 unless (ref $a) eq (ref $b);
		1253
		1254	if ("HASH" eq ref $a) {
		1255	my @ka = keys %$a;
		1256	my @kb = keys %$b;
		1257
		1258	return 0 if @ka != @kb;
		1259
		1260	for (0 .. $#ka) {
		1261	return 0 unless $ka[$_] eq $kb[$_];
		1262	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1263	}
		1264
		1265	} elsif ("ARRAY" eq ref $a) {
		1266
		1267	return 0 if @$a != @$b;
		1268
		1269	for (0 .. $#$a) {
		1270	return 0 unless _object_equal $a->[$_], $b->[$_];
		1271	}
		1272
		1273	} elsif ($a ne $b) {
		1274	return 0;
		1275	}
		1276
		1277	1
		1278	}
		1279
		1280	our $SLOW_MERGES;#d#
		1281	sub _can_merge {
		1282	my ($ob1, $ob2) = @_;
		1283
		1284	++$SLOW_MERGES;#d#
		1285
		1286	# we do the slow way here
		1287	return _object_equal $ob1, $ob2
		1288	}
707		1289
708	sub reattach {	1290	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1291	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1292	my ($obj) = @_;
711		1293
		1294	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1295	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1296
714	my $registry = $obj->registry;	1297	my $registry = $obj->registry;
715		1298
716	@$registry = ();	1299	@$registry = ();
717		1300
…		…
722	for (@$attach) {	1305	for (@$attach) {
723	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
724	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
725	}	1308	}
726	} else {	1309	} else {
727	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
728	}	1311	}
729	}	1312	}
730	}	1313	}
731		1314
732	cf::attachable->attach (	1315	cf::attachable->attach (
733	prio => -1000000,	1316	prio => -1000000,
734	on_instantiate => sub {	1317	on_instantiate => sub {
735	my ($obj, $data) = @_;	1318	my ($obj, $data) = @_;
736		1319
737	$data = from_json $data;	1320	$data = decode_json $data;
738		1321
739	for (@$data) {	1322	for (@$data) {
740	my ($name, $args) = @$_;	1323	my ($name, $args) = @$_;
741		1324
742	$obj->attach ($name, %{$args || {} });	1325	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1341	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
760		1343
761	sync_job {	1344	sync_job {
762	if (length $$rdata) {	1345	if (length $$rdata) {
		1346	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
765		1350
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1352	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1353	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1354	if ($cf::USE_FSYNC) {
		1355	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;
		1356	aio_fsync $fh;
		1357	}
770	close $fh;	1358	aio_close $fh;
771		1359
772	if (@$objs) {	1360	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1361	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1362	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1364	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1365	if ($cf::USE_FSYNC) {
		1366	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;
		1367	aio_fsync $fh;
		1368	}
778	close $fh;	1369	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
780	}	1371	}
781	} else {	1372	} else {
782	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
783	}	1374	}
784		1375
785	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1380	} else {
787	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
788	}	1382	}
789	} else {	1383	} else {
790	aio_unlink $filename;	1384	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
792	}	1386	}
793	}	1387	};
794	}	1388	}
795		1389
796	sub object_freezer_as_string {	1390	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1391	my ($rdata, $objs) = @_;
798		1392
…		…
810	or return;	1404	or return;
811		1405
812	unless (aio_stat "$filename.pst") {	1406	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1407	(aio_load "$filename.pst", $av) >= 0
814	or return;	1408	or return;
		1409
815	$av = eval { (Storable::thaw $av)->{objs} };	1410	my $st = eval { Coro::Storable::thaw $av };
		1411	$av = $st->{objs};
816	}	1412	}
817		1413
		1414	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
		1418
820	return ($data, $av);	1419	($data, $av)
821	}	1420	}
		1421
		1422	=head2 COMMAND CALLBACKS
		1423
		1424	=over 4
		1425
		1426	=cut
822		1427
823	#############################################################################	1428	#############################################################################
824	# command handling &c	1429	# command handling &c
825		1430
826	=item cf::register_command $name => \&callback($ob,$args);	1431	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1444	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1445	}
841		1446
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1447	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1448
844	Register a callbackf ro execution when the client sends an extcmd packet.	1449	Register a callback for execution when the client sends an (synchronous)
		1450	extcmd packet. Ext commands will be processed in the order they are
		1451	received by the server, like other user commands. The first argument is
		1452	the logged-in player. Ext commands can only be processed after a player
		1453	has logged in successfully.
845		1454
846	If the callback returns something, it is sent back as if reply was being	1455	If the callback returns something, it is sent back as if reply was being
847	called.	1456	called.
848		1457
		1458	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1459
		1460	Register a callback for execution when the client sends an (asynchronous)
		1461	exticmd packet. Exti commands are processed by the server as soon as they
		1462	are received, i.e. out of order w.r.t. other commands. The first argument
		1463	is a client socket. Exti commands can be received anytime, even before
		1464	log-in.
		1465
		1466	If the callback returns something, it is sent back as if reply was being
		1467	called.
		1468
849	=cut	1469	=cut
850		1470
851	sub register_extcmd {	1471	sub register_extcmd {
852	my ($name, $cb) = @_;	1472	my ($name, $cb) = @_;
853		1473
854	$EXTCMD{$name} = $cb;	1474	$EXTCMD{$name} = $cb;
855	}	1475	}
856		1476
		1477	sub register_exticmd {
		1478	my ($name, $cb) = @_;
		1479
		1480	$EXTICMD{$name} = $cb;
		1481	}
		1482
		1483	use File::Glob ();
		1484
857	cf::player->attach (	1485	cf::player->attach (
858	on_command => sub {	1486	on_unknown_command => sub {
859	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
860		1488
861	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
862	or return;	1490	or return;
863		1491
…		…
868	cf::override;	1496	cf::override;
869	},	1497	},
870	on_extcmd => sub {	1498	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
872		1500
873	my $msg = eval { from_json $buf };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1502
875	if (ref $msg) {	1503	if (ref $msg) {
		1504	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1505
		1506	my @reply;
		1507
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1508	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1509	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1510	}
		1511
		1512	$pl->ext_reply ($reply, @reply)
		1513	if $reply;
		1514
881	} else {	1515	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1517	}
884		1518
885	cf::override;	1519	cf::override;
886	},	1520	},
887	);	1521	);
888		1522
		1523	# "readahead" all extensions
889	sub load_extension {	1524	sub cache_extensions {
890	my ($path) = @_;	1525	my $grp = IO::AIO::aio_group;
891		1526
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1527	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1528	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1529	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	}	1530	}
917	die $@;
918	}	1531	};
919		1532
920	push @EXTS, $pkg;	1533	$grp
921	}	1534	}
922		1535
923	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
		1539	cf::sync_job {
		1540	my %todo;
		1541
924	for my $ext (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1543	next unless -r $path;
926	eval {	1544
927	load_extension $ext;	1545	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1546	my $base = $1;
		1547	my $pkg = $1;
		1548	$pkg =~ s/[^[:word:]]/_/g;
		1549	$pkg = "ext::$pkg";
		1550
		1551	open my $fh, "<:utf8", $path
		1552	or die "$path: $!";
		1553
		1554	my $source = do { local $/; <$fh> };
		1555
		1556	my %ext = (
		1557	path => $path,
		1558	base => $base,
		1559	pkg => $pkg,
		1560	);
		1561
		1562	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1563	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1564
		1565	$ext{source} =
		1566	"package $pkg; use common::sense;\n"
		1567	. "#line 1 \"$path\"\n{\n"
		1568	. $source
		1569	. "\n};\n1";
		1570
		1571	$todo{$base} = \%ext;
		1572	}
		1573
		1574	my $pass = 0;
		1575	my %done;
		1576	while (%todo) {
		1577	my $progress;
		1578
		1579	++$pass;
		1580
		1581	ext:
		1582	while (my ($k, $v) = each %todo) {
		1583	for (split /,\s*/, $v->{meta}{depends}) {
		1584	next ext
		1585	unless exists $done{$_};
		1586	}
		1587
		1588	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1589
		1590	my $active = eval $v->{source};
		1591
		1592	if (length $@) {
		1593	error "$v->{path}: $@\n";
		1594
		1595	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1596	if exists $v->{meta}{mandatory};
		1597
		1598	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1599	delete $todo{$k};
		1600	} else {
		1601	$done{$k} = delete $todo{$k};
		1602	push @EXTS, $v->{pkg};
		1603	$progress = 1;
		1604
		1605	info "$v->{base}: extension inactive.\n"
		1606	unless $active;
		1607	}
928	1	1608	}
929	} or warn "$ext not loaded: $@";	1609
		1610	unless ($progress) {
		1611	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1612
		1613	while (my ($k, $v) = each %todo) {
		1614	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1615	if exists $v->{meta}{mandatory};
		1616	}
		1617
		1618	last;
		1619	}
		1620	}
930	}	1621	};
931	}	1622	}
932		1623
933	#############################################################################	1624	#############################################################################
934		1625
		1626	=back
		1627
935	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
936		1629
937	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
938		1631
939	=cut	1632	=cut
940		1633
941	package cf::player;	1634	package cf::player;
942		1635
…		…
944		1637
945	=head3 cf::player	1638	=head3 cf::player
946		1639
947	=over 4	1640	=over 4
948		1641
		1642	=item cf::player::num_playing
		1643
		1644	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1645
		1646	=cut
		1647
		1648	sub num_playing {
		1649	scalar grep
		1650	$_->ob->map
		1651	&& !$_->hidden
		1652	&& !$_->ob->flag (cf::FLAG_WIZ),
		1653	cf::player::list
		1654	}
		1655
949	=item cf::player::find $login	1656	=item cf::player::find $login
950		1657
951	Returns the given player object, loading it if necessary (might block).	1658	Returns the given player object, loading it if necessary (might block).
952		1659
953	=cut	1660	=cut
954		1661
955	sub playerdir($) {	1662	sub playerdir($) {
956	cf::localdir	1663	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1664	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1665	}
962		1666
963	sub path($) {	1667	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1668	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1678
975	sub exists($) {	1679	sub exists($) {
976	my ($login) = @_;	1680	my ($login) = @_;
977		1681
978	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
980	}	1684	}
981		1685
982	sub find($) {	1686	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1688	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1695	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1696	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1697	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1698	aio_unlink +(playerdir $login) . "/$login.pl";
995		1699
996	my $pl = load_pl path $login	1700	my $f = new_from_file cf::object::thawer path $login
997	or return;	1701	or return;
		1702
		1703	my $pl = cf::player::load_pl $f
		1704	or return;
		1705
		1706	local $cf::PLAYER_LOADING{$login} = $pl;
		1707	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
999	}	1709	}
1000	}	1710	}
1001	}	1711	}
		1712
		1713	cf::player->attach (
		1714	on_load => sub {
		1715	my ($pl, $path) = @_;
		1716
		1717	# restore slots saved in save, below
		1718	my $slots = delete $pl->{_slots};
		1719
		1720	$pl->ob->current_weapon ($slots->[0]);
		1721	$pl->combat_ob ($slots->[1]);
		1722	$pl->ranged_ob ($slots->[2]);
		1723	},
		1724	);
1002		1725
1003	sub save($) {	1726	sub save($) {
1004	my ($pl) = @_;	1727	my ($pl) = @_;
1005		1728
1006	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
…		…
1011	return if $pl->{deny_save};	1734	return if $pl->{deny_save};
1012		1735
1013	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
1015		1738
		1739	cf::get_slot 0.01;
		1740
		1741	# save slots, to be restored later
		1742	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1743
1016	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
1017	Coro::cede;	1745	cf::cede_to_tick;
1018	}	1746	}
1019		1747
1020	sub new($) {	1748	sub new($) {
1021	my ($login) = @_;	1749	my ($login) = @_;
1022		1750
…		…
1028	$cf::PLAYER{$login} = $self;	1756	$cf::PLAYER{$login} = $self;
1029		1757
1030	$self	1758	$self
1031	}	1759	}
1032		1760
		1761	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1762
		1763	=cut
		1764
		1765	sub send_msg {
		1766	my $ns = shift->ns
		1767	or return;
		1768	$ns->send_msg (@_);
		1769	}
		1770
1033	=item $pl->quit_character	1771	=item $pl->quit_character
1034		1772
1035	Nukes the player without looking back. If logged in, the connection will	1773	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1774	be destroyed. May block for a long time.
1037		1775
…		…
1041	my ($pl) = @_;	1779	my ($pl) = @_;
1042		1780
1043	my $name = $pl->ob->name;	1781	my $name = $pl->ob->name;
1044		1782
1045	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1784	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1785
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1049	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1051	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1052		1794
1053	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1055	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
…		…
1084	while and may block, so not sync_job-capable, ever.	1826	while and may block, so not sync_job-capable, ever.
1085		1827
1086	=cut	1828	=cut
1087		1829
1088	sub list_logins {	1830	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1831	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1832	or return [];
1091		1833
1092	my @logins;	1834	my @logins;
1093		1835
1094	for my $login (@$dirs) {	1836	for my $login (@$dirs) {
		1837	my $path = path $login;
		1838
		1839	# a .pst is a dead give-away for a valid player
		1840	# if no pst file found, open and chekc for blocked users
		1841	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1845	}
1098		1846
1099	utf8::decode $login;	1847	utf8::decode $login;
1100	push @logins, $login;	1848	push @logins, $login;
1101	}	1849	}
1102		1850
1103	\@logins	1851	\@logins
1104	}	1852	}
1105		1853
1106	=item $player->maps	1854	=item $player->maps
		1855
		1856	=item cf::player::maps $login
1107		1857
1108	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1109	player. May block.	1859	player. May block.
1110		1860
1111	=cut	1861	=cut
…		…
1129	}	1879	}
1130		1880
1131	\@paths	1881	\@paths
1132	}	1882	}
1133		1883
		1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1885
		1886	Expand deliantra pod fragments into protocol xml.
		1887
1134	=item $player->ext_reply ($msgid, %msg)	1888	=item $player->ext_reply ($msgid, @msg)
1135		1889
1136	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1137		1891
1138	=cut	1892	=cut
1139		1893
1140	sub ext_reply($$%) {	1894	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1895	my ($self, $id, @msg) = @_;
1142		1896
1143	$msg{msgid} = $id;	1897	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1898	}
1147		1899
1148	=item $player->ext_event ($type, %msg)	1900	=item $player->ext_msg ($type, @msg)
1149		1901
1150	Sends an ext event to the client.	1902	Sends an ext event to the client.
1151		1903
1152	=cut	1904	=cut
1153		1905
1154	sub ext_event($$%) {	1906	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1907	my ($self, $type, @msg) = @_;
1156		1908
1157	$self->ns->ext_event ($type, %msg);	1909	$self->ns->ext_msg ($type, @msg);
1158	}	1910	}
1159		1911
1160	=head3 cf::region	1912	=head3 cf::region
1161		1913
1162	=over 4	1914	=over 4
…		…
1165		1917
1166	package cf::region;	1918	package cf::region;
1167		1919
1168	=item cf::region::find_by_path $path	1920	=item cf::region::find_by_path $path
1169		1921
1170	Tries to decuce the probable region for a map knowing only its path.	1922	Tries to decuce the likely region for a map knowing only its path.
1171		1923
1172	=cut	1924	=cut
1173		1925
1174	sub find_by_path($) {	1926	sub find_by_path($) {
1175	my ($path) = @_;	1927	my ($path) = @_;
1176		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
		1930
1177	my ($match, $specificity);	1931	my ($match, $specificity);
1178		1932
1179	for my $region (list) {	1933	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1934	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1935	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1936	if $region->specificity > $specificity;
1183	}	1937	}
1184	}	1938	}
1185		1939
…		…
1206	our $MAX_RESET = 3600;	1960	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1961	our $DEFAULT_RESET = 3000;
1208		1962
1209	sub generate_random_map {	1963	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1211	# mit "rum" bekleckern, nicht	1965
		1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1967
1212	$self->_create_random_map (	1968	$self->_create_random_map ($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}), $rmp->{custom}
1224	)
1225	}	1969	}
1226		1970
1227	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1228		1972
1229	Register a handler for the map path matching the given regex at the	1973	Register a handler for the map path matching the given regex at the
…		…
1234		1978
1235	sub register {	1979	sub register {
1236	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1237	my $pkg = caller;	1981	my $pkg = caller;
1238		1982
1239	no strict;
1240	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1241		1984
1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1243	}	1986	}
1244		1987
1245	# also paths starting with '/'	1988	# also paths starting with '/'
1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1247		1990
1248	sub thawer_merge {	1991	sub thawer_merge {
1249	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1250		1993
1251	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
1252	local $self->{path};	1995	local $self->{path};
1253	local $self->{load_path};	1996	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1997
1257	$self->SUPER::thawer_merge ($merge);	1998	$self->SUPER::thawer_merge ($merge);
1258	}	1999	}
1259		2000
1260	sub normalise {	2001	sub normalise {
1261	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1262		2003
1263	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
1264		2005
1265	$path =~ s/\.map$//;	2006	$path =~ s/\.map$//;
1266		2007
1267	# map plan:	2008	# map plan:
1268	#	2009	#
…		…
1283	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1284	$path = "$base/$path";	2025	$path = "$base/$path";
1285	}	2026	}
1286		2027
1287	for ($path) {	2028	for ($path) {
1288	redo if s{//}{/};
1289	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1290	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1291	}	2031	}
1292		2032
1293	$path	2033	$path
…		…
1307	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1308	return $self;	2048	return $self;
1309	}	2049	}
1310	}	2050	}
1311		2051
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1313	()	2053	()
1314	}	2054	}
1315		2055
		2056	# may re-bless or do other evil things
1316	sub init {	2057	sub init {
1317	my ($self) = @_;	2058	my ($self) = @_;
1318		2059
1319	$self	2060	$self
1320	}	2061	}
…		…
1332		2073
1333	# the original (read-only) location	2074	# the original (read-only) location
1334	sub load_path {	2075	sub load_path {
1335	my ($self) = @_;	2076	my ($self) = @_;
1336		2077
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2078	"$MAPDIR/$self->{path}.map"
1338	}	2079	}
1339		2080
1340	# the temporary/swap location	2081	# the temporary/swap location
1341	sub save_path {	2082	sub save_path {
1342	my ($self) = @_;	2083	my ($self) = @_;
1343		2084
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2085	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2086	"$TMPDIR/$path.map"
1346	}	2087	}
1347		2088
1348	# the unique path, undef == no special unique path	2089	# the unique path, undef == no special unique path
1349	sub uniq_path {	2090	sub uniq_path {
1350	my ($self) = @_;	2091	my ($self) = @_;
1351		2092
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2094	"$UNIQUEDIR/$path"
1354	}	2095	}
1355		2096
1356	# and all this just because we cannot iterate over	2097	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	2098	my ($self) = @_;
1360		2099
1361	$_->change_map_light ($change)	2100	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	2101
		2102	$self->do_decay_objects;
1363	}	2103	}
1364		2104
1365	sub unlink_save {	2105	sub unlink_save {
1366	my ($self) = @_;	2106	my ($self) = @_;
1367		2107
…		…
1372		2112
1373	sub load_header_from($) {	2113	sub load_header_from($) {
1374	my ($self, $path) = @_;	2114	my ($self, $path) = @_;
1375		2115
1376	utf8::encode $path;	2116	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	2117	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	2118	or return;
1382		2119
		2120	$self->_load_header ($f)
		2121	or return;
		2122
		2123	local $MAP_LOADING{$self->{path}} = $self;
		2124	$f->resolve_delayed_derefs;
		2125
1383	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1384		2127
1385	1	2128	1
1386	}	2129	}
1387		2130
		2131	# used to laod the header of an original map
1388	sub load_header_orig {	2132	sub load_header_orig {
1389	my ($self) = @_;	2133	my ($self) = @_;
1390		2134
1391	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1392	}	2136	}
1393		2137
		2138	# used to laod the header of an instantiated map
1394	sub load_header_temp {	2139	sub load_header_temp {
1395	my ($self) = @_;	2140	my ($self) = @_;
1396		2141
1397	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1398	}	2143	}
1399		2144
		2145	# called after loading the header from an instantiated map
1400	sub prepare_temp {	2146	sub prepare_temp {
1401	my ($self) = @_;	2147	my ($self) = @_;
1402		2148
1403	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1404	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1405	# safety	2151	# safety
1406	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1407	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1408	}	2154	}
1409		2155
		2156	# called after loading the header from an original map
1410	sub prepare_orig {	2157	sub prepare_orig {
1411	my ($self) = @_;	2158	my ($self) = @_;
1412		2159
1413	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1414	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1425	$self->load_header_orig	2172	$self->load_header_orig
1426	or return;	2173	or return;
1427	$self->prepare_orig;	2174	$self->prepare_orig;
1428	}	2175	}
1429		2176
		2177	$self->{deny_reset} = 1
		2178	if $self->no_reset;
		2179
1430	$self->default_region (cf::region::find_by_path $self->{path})	2180	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2181	unless $self->default_region;
1432		2182
1433	1	2183	1
1434	}	2184	}
1435		2185
1436	sub find;	2186	sub find;
1437	sub find {	2187	sub find {
1438	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
1439		2189
		2190	cf::cede_to_tick;
		2191
1440	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
1441		2193
		2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
1443		2196
1444	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
1447	or return;	2199	or return;
1448		2200
1449	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
1450		2202
1451	$map->load_header	2203	$map->load_header
1452	or return;	2204	or return;
1453		2205
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2207	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
		2210	undef $guard1;
1457	$map->reset;	2211	$map->reset;
1458	undef $guard;
1459	return find $path;	2212	return find $path;
1460	}	2213	}
1461		2214
1462	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
1463	}	2216	}
1464	}	2217	}
1465		2218
1466	sub pre_load { }	2219	sub pre_load { }
1467	sub post_load { }	2220	#sub post_load { } # XS
1468		2221
1469	sub load {	2222	sub load {
1470	my ($self) = @_;	2223	my ($self) = @_;
1471		2224
1472	local $self->{deny_reset} = 1; # loading can take a long time	2225	local $self->{deny_reset} = 1; # loading can take a long time
1473		2226
1474	my $path = $self->{path};	2227	my $path = $self->{path};
		2228
		2229	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
1476		2231
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2232	return unless $self->valid;
		2233	return unless $self->state == cf::MAP_SWAPPED;
1478		2234
1479	$self->in_memory (cf::MAP_LOADING);
1480
1481	$self->alloc;	2235	$self->alloc;
1482		2236
1483	$self->pre_load;	2237	$self->pre_load;
1484	Coro::cede;	2238	cf::cede_to_tick;
1485		2239
1486	$self->_load_objects ($self->{load_path}, 1)	2240	if (exists $self->{load_path}) {
		2241	my $f = new_from_file cf::object::thawer $self->{load_path};
		2242	$f->skip_block;
		2243	$self->_load_objects ($f)
1487	or return;	2244	or return;
1488		2245
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
1490	if delete $self->{load_original};	2247	if delete $self->{load_original};
1491		2248
1492	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2250	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2251	unless (aio_stat $uniq) {
		2252	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2253	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2254	$self->_load_objects ($f);
		2255	$f->resolve_delayed_derefs;
		2256	}
		2257	}
1497	}	2258	}
1498	}
1499		2259
1500	Coro::cede;	2260	$f->resolve_delayed_derefs;
		2261	} else {
		2262	$self->post_load_original
		2263	if delete $self->{load_original};
		2264	}
		2265
		2266	$self->state (cf::MAP_INACTIVE);
		2267
		2268	cf::cede_to_tick;
1501	# now do the right thing for maps	2269	# now do the right thing for maps
1502	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($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)	2271	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2272	unless $self->difficulty;
1513	Coro::cede;	2273	cf::cede_to_tick;
1514	$self->activate;	2274
1515	Coro::cede;	2275	unless ($self->{deny_activate}) {
		2276	$self->decay_objects;
		2277	$self->fix_auto_apply;
		2278	$self->update_buttons;
		2279	cf::cede_to_tick;
		2280	#$self->activate; # no longer activate maps automatically
		2281	}
		2282
		2283	$self->{last_save} = $cf::RUNTIME;
		2284	$self->last_access ($cf::RUNTIME);
1516	}	2285	}
1517		2286
1518	$self->post_load;	2287	$self->post_load;
1519	Coro::cede;
1520		2288
1521	$self->in_memory (cf::MAP_IN_MEMORY);	2289	1
1522	}	2290	}
1523		2291
		2292	# customize the map for a given player, i.e.
		2293	# return the _real_ map. used by e.g. per-player
		2294	# maps to change the path to ~playername/mappath
1524	sub customise_for {	2295	sub customise_for {
1525	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
1526		2297
1527	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2299	if $self->per_player;
1529		2300
		2301	# return find "?party/" . $ob->name . "/" . $self->{path}
		2302	# if $self->per_party;
		2303
1530	$self	2304	$self
1531	}
1532
1533	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {
1535	my ($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	$neigh->load;
1554	}
1555	}	2305	}
1556		2306
1557	sub find_sync {	2307	sub find_sync {
1558	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
1559		2309
1560	cf::sync_job { find $path, $origin }	2310	# it's a bug to call this from the main context
		2311	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2312	if $Coro::current == $Coro::main;
		2313
		2314	find $path, $origin
1561	}	2315	}
1562		2316
1563	sub do_load_sync {	2317	sub do_load_sync {
1564	my ($map) = @_;	2318	my ($map) = @_;
1565		2319
1566	cf::sync_job { $map->load };	2320	# it's a bug to call this from the main context
		2321	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2322	if $Coro::current == $Coro::main;
		2323
		2324	$map->load;
1567	}	2325	}
1568		2326
1569	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
1571		2329
1572	sub find_async {	2330	sub find_async {
1573	my ($path, $origin) = @_;	2331	my ($path, $origin, $load) = @_;
1574		2332
1575	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
1576		2334
1577	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2336	return $map if !$load || $map->linkable;
1579	}	2337	}
1580		2338
1581	undef $MAP_PREFETCH{$path};	2339	$MAP_PREFETCH{$path} |= $load;
		2340
1582	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
		2342	$Coro::current->{desc} = "map prefetcher";
		2343
1583	while (%MAP_PREFETCH) {	2344	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2345	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2346	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2347	$map->load if $v;
		2348	}
1588		2349
1589	delete $MAP_PREFETCH{$path};	2350	delete $MAP_PREFETCH{$k};
1590	}	2351	}
1591	}	2352	}
1592	undef $MAP_PREFETCHER;	2353	undef $MAP_PREFETCHER;
1593	};	2354	};
1594	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
1595		2356
1596	()	2357	()
1597	}	2358	}
1598		2359
		2360	# common code, used by both ->save and ->swapout
1599	sub save {	2361	sub _save {
1600	my ($self) = @_;	2362	my ($self) = @_;
1601
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
1603		2363
1604	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
1605		2365
1606	return unless $self->dirty;	2366	return unless $self->dirty;
1607		2367
…		…
1613	return if $self->{deny_save};	2373	return if $self->{deny_save};
1614		2374
1615	local $self->{last_access} = $self->last_access;#d#	2375	local $self->{last_access} = $self->last_access;#d#
1616		2376
1617	cf::async {	2377	cf::async {
		2378	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2379	$_->contr->save for $self->players;
1619	};	2380	};
		2381
		2382	cf::get_slot 0.02;
1620		2383
1621	if ($uniq) {	2384	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2385	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2386	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2387	} else {
1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2388	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1626	}	2389	}
1627	}	2390	}
1628		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
1629	sub swap_out {	2400	sub swap_out {
1630	my ($self) = @_;	2401	my ($self) = @_;
1631		2402
1632	# save first because save cedes
1633	$self->save;
1634
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
1637	return if $self->players;	2407	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};
1640		2408
		2409	# first deactivate the map and "unlink" it from the core
		2410	$self->deactivate;
		2411	$_->clear_links_to ($self) for values %cf::MAP;
		2412	$self->state (cf::MAP_SWAPPED);
		2413
		2414	# then atomically save
		2415	$self->_save;
		2416
		2417	# then free the map
1641	$self->clear;	2418	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2419	}
1644		2420
1645	sub reset_at {	2421	sub reset_at {
1646	my ($self) = @_;	2422	my ($self) = @_;
1647		2423
1648	# TODO: safety, remove and allow resettable per-player maps	2424	# 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};	2425	return 1e99 if $self->{deny_reset};
1651		2426
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2427	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2428	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2429
…		…
1665	my ($self) = @_;	2440	my ($self) = @_;
1666		2441
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2443
1669	return if $self->players;	2444	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2445
1672	warn "resetting map ", $self->path;#d#	2446	cf::trace "resetting map ", $self->path, "\n";
1673		2447
1674	$self->in_memory (cf::MAP_SWAPPED);	2448	$self->state (cf::MAP_SWAPPED);
1675		2449
1676	# need to save uniques path	2450	# need to save uniques path
1677	unless ($self->{deny_save}) {	2451	unless ($self->{deny_save}) {
1678	my $uniq = $self->uniq_path; utf8::encode $uniq;	2452	my $uniq = $self->uniq_path; utf8::encode $uniq;
1679		2453
…		…
1681	if $uniq;	2455	if $uniq;
1682	}	2456	}
1683		2457
1684	delete $cf::MAP{$self->path};	2458	delete $cf::MAP{$self->path};
1685		2459
		2460	$self->deactivate;
		2461	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2462	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2463
1690	$self->unlink_save;	2464	$self->unlink_save;
1691	$self->destroy;	2465	$self->destroy;
1692	}	2466	}
1693		2467
1694	my $nuke_counter = "aaaa";	2468	my $nuke_counter = "aaaa";
1695		2469
1696	sub nuke {	2470	sub nuke {
1697	my ($self) = @_;	2471	my ($self) = @_;
1698		2472
		2473	{
		2474	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2475
1699	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
1700		2477
1701	$self->unlink_save;	2478	$self->unlink_save;
1702		2479
1703	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
1704	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2485
1709	$cf::MAP{$self->path} = $self;	2486	$cf::MAP{$self->path} = $self;
		2487	}
1710		2488
1711	$self->reset; # polite request, might not happen	2489	$self->reset; # polite request, might not happen
		2490	}
		2491
		2492	=item $maps = cf::map::tmp_maps
		2493
		2494	Returns an arrayref with all map paths of currently instantiated and saved
		2495	maps. May block.
		2496
		2497	=cut
		2498
		2499	sub tmp_maps() {
		2500	[
		2501	map {
		2502	utf8::decode $_;
		2503	/\.map$/
		2504	? normalise $_
		2505	: ()
		2506	} @{ aio_readdir $TMPDIR or [] }
		2507	]
		2508	}
		2509
		2510	=item $maps = cf::map::random_maps
		2511
		2512	Returns an arrayref with all map paths of currently instantiated and saved
		2513	random maps. May block.
		2514
		2515	=cut
		2516
		2517	sub random_maps() {
		2518	[
		2519	map {
		2520	utf8::decode $_;
		2521	/\.map$/
		2522	? normalise "?random/$_"
		2523	: ()
		2524	} @{ aio_readdir $RANDOMDIR or [] }
		2525	]
1712	}	2526	}
1713		2527
1714	=item cf::map::unique_maps	2528	=item cf::map::unique_maps
1715		2529
1716	Returns an arrayref of paths of all shared maps that have	2530	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2531	instantiated unique items. May block.
1718		2532
1719	=cut	2533	=cut
1720		2534
1721	sub unique_maps() {	2535	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2536	[
1723	or return;	2537	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2538	utf8::decode $_;
1729	next if /\.pst$/;	2539	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2540	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2541	? ()
1732	push @paths, cf::map::normalise $_;	2542	: normalise $_
		2543	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2544	]
1734
1735	\@paths
1736	}	2545	}
1737		2546
1738	package cf;	2547	=item cf::map::static_maps
		2548
		2549	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2550	file in the shared directory excluding F</styles> and F</editor>). May
		2551	block.
		2552
		2553	=cut
		2554
		2555	sub static_maps() {
		2556	my @dirs = "";
		2557	my @maps;
		2558
		2559	while (@dirs) {
		2560	my $dir = shift @dirs;
		2561
		2562	next if $dir eq "/styles" || $dir eq "/editor";
		2563
		2564	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2565	or return;
		2566
		2567	for (@$files) {
		2568	s/\.map$// or next;
		2569	utf8::decode $_;
		2570	push @maps, "$dir/$_";
		2571	}
		2572
		2573	push @dirs, map "$dir/$_", @$dirs;
		2574	}
		2575
		2576	\@maps
		2577	}
1739		2578
1740	=back	2579	=back
1741		2580
1742	=head3 cf::object	2581	=head3 cf::object
1743		2582
…		…
1747		2586
1748	=over 4	2587	=over 4
1749		2588
1750	=item $ob->inv_recursive	2589	=item $ob->inv_recursive
1751		2590
1752	Returns the inventory of the object _and_ their inventories, recursively.	2591	Returns the inventory of the object I<and> their inventories, recursively,
		2592	but I<not> the object itself.
1753		2593
1754	=cut	2594	=cut
1755		2595
1756	sub inv_recursive_;	2596	sub inv_recursive_;
1757	sub inv_recursive_ {	2597	sub inv_recursive_ {
…		…
1760		2600
1761	sub inv_recursive {	2601	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2602	inv_recursive_ inv $_[0]
1763	}	2603	}
1764		2604
		2605	=item $ref = $ob->ref
		2606
		2607	Creates and returns a persistent reference to an object that can be stored as a string.
		2608
		2609	=item $ob = cf::object::deref ($refstring)
		2610
		2611	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2612	even if the object actually exists. May block.
		2613
		2614	=cut
		2615
		2616	sub deref {
		2617	my ($ref) = @_;
		2618
		2619	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2620	my ($uuid, $name) = ($1, $2);
		2621	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2622	or return;
		2623	$pl->ob->uuid eq $uuid
		2624	or return;
		2625
		2626	$pl->ob
		2627	} else {
		2628	warn "$ref: cannot resolve object reference\n";
		2629	undef
		2630	}
		2631	}
		2632
1765	package cf;	2633	package cf;
1766		2634
1767	=back	2635	=back
1768		2636
1769	=head3 cf::object::player	2637	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2643	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	2644	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
1778		2646
1779	=cut	2647	=cut
		2648
		2649	our $SAY_CHANNEL = {
		2650	id => "say",
		2651	title => "Map",
		2652	reply => "say ",
		2653	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2654	};
		2655
		2656	our $CHAT_CHANNEL = {
		2657	id => "chat",
		2658	title => "Chat",
		2659	reply => "chat ",
		2660	tooltip => "Player chat and shouts, global to the server.",
		2661	};
1780		2662
1781	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2664	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2665	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
…		…
1786		2668
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2669	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2670
1789	if ($self->{record_replies}) {	2671	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2672	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2673
1791	} else {	2674	} else {
		2675	my $pl = $self->contr;
		2676
		2677	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2678	my $dialog = $pl->{npc_dialog};
		2679	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2680
		2681	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2684	}
1794	}	2685	}
		2686	}
		2687
		2688	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2689
		2690	=cut
		2691
		2692	sub cf::object::send_msg {
		2693	my $pl = shift->contr
		2694	or return;
		2695	$pl->send_msg (@_);
1795	}	2696	}
1796		2697
1797	=item $player_object->may ("access")	2698	=item $player_object->may ("access")
1798		2699
1799	Returns wether the given player is authorized to access resource "access"	2700	Returns wether the given player is authorized to access resource "access"
…		…
1812		2713
1813	=item $player_object->enter_link	2714	=item $player_object->enter_link
1814		2715
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2716	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2717
1817	The player should be reasonably safe there for short amounts of time. You	2718	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.	2719	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2720	though, as the player cannot control the character while it is on the link
		2721	map.
1819		2722
1820	Will never block.	2723	Will never block.
1821		2724
1822	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
1823		2726
…		…
1843	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
1844	my ($self) = @_;	2747	my ($self) = @_;
1845		2748
1846	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
1847		2750
		2751	++$self->{_link_recursion};
		2752
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2754
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2756	if $self->map && $self->map->{path} ne "{link}";
1852		2757
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1854	}	2759	}
1855		2760
1856	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
		2763
		2764	return unless $self->contr->active;
1858		2765
1859	my $link_pos = delete $self->{_link_pos};	2766	my $link_pos = delete $self->{_link_pos};
1860		2767
1861	unless ($map) {	2768	unless ($map) {
1862	# restore original map position	2769	# restore original map position
…		…
1873	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
1874	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
1875		2782
1876	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
1879		2786
1880	$map->load;	2787	$map->load;
1881	$map->load_diag;
1882		2788
1883	return unless $self->contr->active;	2789	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2790
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2792	if ($self->enter_map ($map, $x, $y)) {
1888	}	2793	# entering was successful
1889		2794	delete $self->{_link_recursion};
1890	cf::player->attach (	2795	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2796	$self->activate_recursive;
1892	my ($pl) = @_;
1893
1894	# abort map switching before logout
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},	2797	}
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2798
1904	# try to abort aborted map switching on player login :)	2799	}
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		2800
1922	=item $player_object->goto ($path, $x, $y)	2801	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1923		2802
		2803	Moves the player to the given map-path and coordinates by first freezing
		2804	her, loading and preparing them map, calling the provided $check callback
		2805	that has to return the map if sucecssful, and then unfreezes the player on
		2806	the new (success) or old (failed) map position. In either case, $done will
		2807	be called at the end of this process.
		2808
		2809	Note that $check will be called with a potentially non-loaded map, so if
		2810	it needs a loaded map it has to call C<< ->load >>.
		2811
1924	=cut	2812	=cut
		2813
		2814	our $GOTOGEN;
1925		2815
1926	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2817	my ($self, $path, $x, $y, $check, $done) = @_;
		2818
		2819	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2820	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2821	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2822	($path, $x, $y) = @$EMERGENCY_POSITION;
		2823	}
		2824
		2825	# do generation counting so two concurrent goto's will be executed in-order
		2826	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2827
1929	$self->enter_link;	2828	$self->enter_link;
1930		2829
1931	(async {	2830	(async {
		2831	$Coro::current->{desc} = "player::goto $path $x $y";
		2832
		2833	# *tag paths override both path and x|y
		2834	if ($path =~ /^\*(.*)$/) {
		2835	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2836	my $ob = $obs[rand @obs];
		2837
		2838	# see if we actually can go there
		2839	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2840	$ob = $obs[rand @obs];
		2841	} else {
		2842	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2843	}
		2844	# else put us there anyways for now #d#
		2845
		2846	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2847	} else {
		2848	($path, $x, $y) = (undef, undef, undef);
		2849	}
		2850	}
		2851
1932	my $map = eval {	2852	my $map = eval {
1933	my $map = cf::map::find $path;	2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2854
		2855	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2856	$map = $map->customise_for ($self);
		2857	$map = $check->($map, $x, $y, $self) if $check && $map;
		2858	} else {
		2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2860	}
		2861
1935	$map	2862	$map
		2863	};
		2864
		2865	if ($@) {
		2866	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2867	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2868	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2869
		2870	if ($gen == $self->{_goto_generation}) {
		2871	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
		2873	}
		2874
		2875	$done->($self) if $done;
1940	})->prio (1);	2876	})->prio (1);
1941	}	2877	}
1942		2878
1943	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
1944		2880
…		…
1964	}	2900	}
1965		2901
1966	sub prepare_random_map {	2902	sub prepare_random_map {
1967	my ($exit) = @_;	2903	my ($exit) = @_;
1968		2904
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2905	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2906	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2907	# that depends on the exit object
1974		2908
1975	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2911	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2912	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
1982	}	2918	}
1983		2919
1984	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
1985		2921
1986	my $data = cf::to_json $rmp;	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2923	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2924	my $meta = "$RANDOMDIR/$md5.meta";
1989		2925
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2928	undef $fh;
1993	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
1994		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
1997	}	2937	}
1998	}	2938	}
1999		2939
2000	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
2002		2942
2003	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
2004		2944
2005	if ($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;	2945	$self->enter_link;
2017		2946
2018	(async {	2947	(async {
2019	$self->deactivate_recursive; # just to be sure	2948	$Coro::current->{desc} = "enter_exit";
		2949
2020	unless (eval {	2950	unless (eval {
		2951	$self->deactivate_recursive; # just to be sure
		2952
		2953	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2954	my $x = $exit->stats->hp;
		2955	my $y = $exit->stats->sp;
		2956
		2957	# special map handling
		2958	my $slaying = $exit->slaying;
		2959
		2960	# special map handling
		2961	if ($slaying eq "/!") {
		2962	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2963
		2964	prepare_random_map $exit
		2965	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2966
		2967	$map = $exit->slaying;
		2968
		2969	} elsif ($slaying eq '!up') {
		2970	$map = $exit->map->tile_path (cf::TILE_UP);
		2971	$x = $exit->x;
		2972	$y = $exit->y;
		2973
		2974	} elsif ($slaying eq '!down') {
		2975	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2976	$x = $exit->x;
		2977	$y = $exit->y;
		2978	}
		2979
2021	$self->goto ($slaying, $hp, $sp);	2980	$self->goto ($map, $x, $y);
2022		2981
		2982	# if exit is damned, update players death & WoR home-position
		2983	$self->contr->savebed ($map, $x, $y)
		2984	if $exit->flag (cf::FLAG_DAMNED);
		2985
2023	1;	2986	1
2024	}) {	2987	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2989	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2992
2030	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
2031	$self->leave_link;	2994	$self->leave_link;
2032	}	2995	}
2033	})->prio (1);	2996	})->prio (1);
2034	}	2997	}
2035		2998
…		…
2049		3012
2050	utf8::encode $text;	3013	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	3015	}
2053		3016
		3017	=item $client->send_big_packet ($pkt)
		3018
		3019	Like C<send_packet>, but tries to compress large packets, and fragments
		3020	them as required.
		3021
		3022	=cut
		3023
		3024	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3025
		3026	sub cf::client::send_big_packet {
		3027	my ($self, $pkt) = @_;
		3028
		3029	# try lzf for large packets
		3030	$pkt = "lzf " . Compress::LZF::compress $pkt
		3031	if 1024 <= length $pkt and $self->{can_lzf};
		3032
		3033	# split very large packets
		3034	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3035	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3036	$pkt = "frag";
		3037	}
		3038
		3039	$self->send_packet ($pkt);
		3040	}
		3041
		3042	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3043
		3044	Send a drawinfo or msg packet to the client, formatting the msg for the
		3045	client if neccessary. C<$type> should be a string identifying the type of
		3046	the message, with C<log> being the default. If C<$color> is negative, suppress
		3047	the message unless the client supports the msg packet.
		3048
		3049	=cut
		3050
		3051	# non-persistent channels (usually the info channel)
		3052	our %CHANNEL = (
		3053	"c/motd" => {
		3054	id => "infobox",
		3055	title => "MOTD",
		3056	reply => undef,
		3057	tooltip => "The message of the day",
		3058	},
		3059	"c/identify" => {
		3060	id => "infobox",
		3061	title => "Identify",
		3062	reply => undef,
		3063	tooltip => "Items recently identified",
		3064	},
		3065	"c/examine" => {
		3066	id => "infobox",
		3067	title => "Examine",
		3068	reply => undef,
		3069	tooltip => "Signs and other items you examined",
		3070	},
		3071	"c/shopinfo" => {
		3072	id => "infobox",
		3073	title => "Shop Info",
		3074	reply => undef,
		3075	tooltip => "What your bargaining skill tells you about the shop",
		3076	},
		3077	"c/book" => {
		3078	id => "infobox",
		3079	title => "Book",
		3080	reply => undef,
		3081	tooltip => "The contents of a note or book",
		3082	},
		3083	"c/lookat" => {
		3084	id => "infobox",
		3085	title => "Look",
		3086	reply => undef,
		3087	tooltip => "What you saw there",
		3088	},
		3089	"c/who" => {
		3090	id => "infobox",
		3091	title => "Players",
		3092	reply => undef,
		3093	tooltip => "Shows players who are currently online",
		3094	},
		3095	"c/body" => {
		3096	id => "infobox",
		3097	title => "Body Parts",
		3098	reply => undef,
		3099	tooltip => "Shows which body parts you posess and are available",
		3100	},
		3101	"c/statistics" => {
		3102	id => "infobox",
		3103	title => "Statistics",
		3104	reply => undef,
		3105	tooltip => "Shows your primary statistics",
		3106	},
		3107	"c/skills" => {
		3108	id => "infobox",
		3109	title => "Skills",
		3110	reply => undef,
		3111	tooltip => "Shows your experience per skill and item power",
		3112	},
		3113	"c/shopitems" => {
		3114	id => "infobox",
		3115	title => "Shop Items",
		3116	reply => undef,
		3117	tooltip => "Shows the items currently for sale in this shop",
		3118	},
		3119	"c/resistances" => {
		3120	id => "infobox",
		3121	title => "Resistances",
		3122	reply => undef,
		3123	tooltip => "Shows your resistances",
		3124	},
		3125	"c/pets" => {
		3126	id => "infobox",
		3127	title => "Pets",
		3128	reply => undef,
		3129	tooltip => "Shows information abotu your pets/a specific pet",
		3130	},
		3131	"c/perceiveself" => {
		3132	id => "infobox",
		3133	title => "Perceive Self",
		3134	reply => undef,
		3135	tooltip => "You gained detailed knowledge about yourself",
		3136	},
		3137	"c/uptime" => {
		3138	id => "infobox",
		3139	title => "Uptime",
		3140	reply => undef,
		3141	tooltip => "How long the server has been running since last restart",
		3142	},
		3143	"c/mapinfo" => {
		3144	id => "infobox",
		3145	title => "Map Info",
		3146	reply => undef,
		3147	tooltip => "Information related to the maps",
		3148	},
		3149	"c/party" => {
		3150	id => "party",
		3151	title => "Party",
		3152	reply => "gsay ",
		3153	tooltip => "Messages and chat related to your party",
		3154	},
		3155	"c/death" => {
		3156	id => "death",
		3157	title => "Death",
		3158	reply => undef,
		3159	tooltip => "Reason for and more info about your most recent death",
		3160	},
		3161	"c/say" => $SAY_CHANNEL,
		3162	"c/chat" => $CHAT_CHANNEL,
		3163	);
		3164
		3165	sub cf::client::send_msg {
		3166	my ($self, $channel, $msg, $color, @extra) = @_;
		3167
		3168	$msg = $self->pl->expand_cfpod ($msg)
		3169	unless $color & cf::NDI_VERBATIM;
		3170
		3171	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3172
		3173	# check predefined channels, for the benefit of C
		3174	if ($CHANNEL{$channel}) {
		3175	$channel = $CHANNEL{$channel};
		3176
		3177	$self->ext_msg (channel_info => $channel);
		3178	$channel = $channel->{id};
		3179
		3180	} elsif (ref $channel) {
		3181	# send meta info to client, if not yet sent
		3182	unless (exists $self->{channel}{$channel->{id}}) {
		3183	$self->{channel}{$channel->{id}} = $channel;
		3184	$self->ext_msg (channel_info => $channel);
		3185	}
		3186
		3187	$channel = $channel->{id};
		3188	}
		3189
		3190	return unless @extra || length $msg;
		3191
		3192	# default colour, mask it out
		3193	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3194	if $color & cf::NDI_DEF;
		3195
		3196	my $pkt = "msg "
		3197	. $self->{json_coder}->encode (
		3198	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3199	);
		3200
		3201	$self->send_big_packet ($pkt);
		3202	}
		3203
2054	=item $client->ext_event ($type, %msg)	3204	=item $client->ext_msg ($type, @msg)
2055		3205
2056	Sends an exti event to the client.	3206	Sends an ext event to the client.
2057		3207
2058	=cut	3208	=cut
2059		3209
2060	sub cf::client::ext_event($$%) {	3210	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	3211	my ($self, $type, @msg) = @_;
2062		3212
		3213	if ($self->extcmd == 2) {
		3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3215	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	3216	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	3217	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3218	}
		3219	}
		3220
		3221	=item $client->ext_reply ($msgid, @msg)
		3222
		3223	Sends an ext reply to the client.
		3224
		3225	=cut
		3226
		3227	sub cf::client::ext_reply($$@) {
		3228	my ($self, $id, @msg) = @_;
		3229
		3230	return unless $self->extcmd == 2;
		3231
		3232	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2065	}	3233	}
2066		3234
2067	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2068		3236
2069	Queues a query to the client, calling the given callback with	3237	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>,	3238	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>.	3239	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		3240
2073	Queries can fail, so check the return code. Or don't, as queries will become	3241	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	3242	become reliable at some point in the future.
2075		3243
2076	=cut	3244	=cut
2077		3245
2078	sub cf::client::query {	3246	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	3247	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	3255	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3256	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		3257
2090	$self->send_packet ($self->{query_queue}[0][0])	3258	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	3259	if @{ $self->{query_queue} } == 1;
		3260
		3261	1
2092	}	3262	}
2093		3263
2094	cf::client->attach (	3264	cf::client->attach (
		3265	on_connect => sub {
		3266	my ($ns) = @_;
		3267
		3268	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3269	},
2095	on_reply => sub {	3270	on_reply => sub {
2096	my ($ns, $msg) = @_;	3271	my ($ns, $msg) = @_;
2097		3272
2098	# this weird shuffling is so that direct followup queries	3273	# this weird shuffling is so that direct followup queries
2099	# get handled first	3274	# get handled first
…		…
2111	} else {	3286	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3287	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	3288	}
2114	}	3289	}
2115	},	3290	},
		3291	on_exticmd => sub {
		3292	my ($ns, $buf) = @_;
		3293
		3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3295
		3296	if (ref $msg) {
		3297	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3298
		3299	my @reply;
		3300
		3301	if (my $cb = $EXTICMD{$type}) {
		3302	@reply = $cb->($ns, @payload);
		3303	}
		3304
		3305	$ns->ext_reply ($reply, @reply)
		3306	if $reply;
		3307
		3308	} else {
		3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3310	}
		3311
		3312	cf::override;
		3313	},
2116	);	3314	);
2117		3315
2118	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
2119		3317
2120	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
2136		3334
2137	$coro	3335	$coro
2138	}	3336	}
2139		3337
2140	cf::client->attach (	3338	cf::client->attach (
2141	on_destroy => sub {	3339	on_client_destroy => sub {
2142	my ($ns) = @_;	3340	my ($ns) = @_;
2143		3341
2144	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2145	},	3343	},
2146	);	3344	);
…		…
2161	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2163		3361
2164	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2165		3363
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3364	$safe->permit_only (Opcode::opset qw(
		3365	:base_core :base_mem :base_orig :base_math :base_loop
		3366	grepstart grepwhile mapstart mapwhile
		3367	sort time
		3368	));
2167		3369
2168	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2169		3371
2170	=pod	3372	=pod
2171		3373
2172	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2173		3375
2174	cf::object contr pay_amount pay_player map	3376	cf::object
		3377	contr pay_amount pay_player map x y force_find force_add destroy
		3378	insert remove name archname title slaying race decrease split
		3379	value
		3380
2175	cf::object::player player	3381	cf::object::player
2176	cf::player peaceful	3382	player
2177	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2178		3389
2179	=cut	3390	=cut
2180		3391
2181	for (	3392	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3394	insert remove inv nrof name archname title slaying race
		3395	decrease split destroy change_exp value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2186	) {	3399	) {
2187	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2190	for @funs;	3402	for @funs;
2191	}	3403	}
2192		3404
…		…
2207		3419
2208	my $qcode = $code;	3420	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2211		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2212	local $_;	3427	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;
2214		3428
2215	my $eval =	3429	my $eval =
2216	"do {\n"	3430	"do {\n"
2217	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2218	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2219	. $code	3433	. $code
2220	. "\n}"	3434	. "\n}"
2221	;	3435	;
2222		3436
		3437	if ($CFG{safe_eval}) {
2223	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2224	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2225	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
2226		3446
2227	if ($@) {	3447	if ($@) {
2228	warn "$@";	3448	warn "$@",
2229	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2230	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2231	}	3451	}
2232		3452
2233	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2234	}	3454	}
2235		3455
…		…
2249	=cut	3469	=cut
2250		3470
2251	sub register_script_function {	3471	sub register_script_function {
2252	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2253		3473
2254	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2255	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2256	}	3476	}
2257		3477
2258	=back	3478	=back
2259		3479
2260	=cut	3480	=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		3481
2334	#############################################################################	3482	#############################################################################
2335	# the server's init and main functions	3483	# the server's init and main functions
2336		3484
2337	sub load_facedata {	3485	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3486	my ($path) = @_;
2339		3487
		3488	# HACK to clear player env face cache, we need some signal framework
		3489	# for this (global event?)
		3490	%ext::player_env::MUSIC_FACE_CACHE = ();
		3491
		3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3493
2340	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
2341		3495
2342	my $facedata;	3496	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		3497
2348	$facedata->{version} == 2	3498	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3500
		3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3503	$facedata->{resource}{"res/exp_table"} = {
		3504	type => FT_RSRC,
		3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
		3507	};
		3508	cf::cede_to_tick;
		3509
2351	{	3510	{
2352	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
2353		3512
2354	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3516	cf::face::set_visibility $idx, $info->{visibility};
		3517	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2359	Coro::cede;	3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3521
		3522	cf::cede_to_tick;
2360	}	3523	}
2361		3524
2362	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3526	next unless $info->{smooth};
		3527
2364	my $idx = cf::face::find $face	3528	my $idx = cf::face::find $face
2365	or next;	3529	or next;
		3530
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
		3532	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3534	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3536	}
2371	Coro::cede;	3537
		3538	cf::cede_to_tick;
2372	}	3539	}
2373	}	3540	}
2374		3541
2375	{	3542	{
2376	my $anims = $facedata->{animinfo};	3543	my $anims = $facedata->{animinfo};
2377		3544
2378	while (my ($anim, $info) = each %$anims) {	3545	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3547	cf::cede_to_tick;
2381	}	3548	}
2382		3549
2383	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
2384	}	3551	}
2385		3552
		3553	{
		3554	my $res = $facedata->{resource};
		3555
		3556	while (my ($name, $info) = each %$res) {
		3557	if (defined (my $type = $info->{type})) {
		3558	# TODO: different hash - must free and use new index, or cache ixface data queue
		3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3560
		3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3562	cf::face::set_type $idx, $type;
		3563	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3564	} else {
		3565	# $RESOURCE{$name} = $info; # unused
		3566	}
		3567
		3568	cf::cede_to_tick;
		3569	}
		3570	}
		3571
		3572	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3573
2386	1	3574	1
2387	}	3575	}
2388		3576
		3577	register_exticmd fx_want => sub {
		3578	my ($ns, $want) = @_;
		3579
		3580	while (my ($k, $v) = each %$want) {
		3581	$ns->fx_want ($k, $v);
		3582	}
		3583	};
		3584
		3585	sub load_resource_file($) {
		3586	my $guard = lock_acquire "load_resource_file";
		3587
		3588	my $status = load_resource_file_ $_[0];
		3589	get_slot 0.1, 100;
		3590	cf::arch::commit_load;
		3591
		3592	$status
		3593	}
		3594
		3595	sub reload_regions {
		3596	# HACK to clear player env face cache, we need some signal framework
		3597	# for this (global event?)
		3598	%ext::player_env::MUSIC_FACE_CACHE = ();
		3599
		3600	load_resource_file "$MAPDIR/regions"
		3601	or die "unable to load regions file\n";
		3602
		3603	for (cf::region::list) {
		3604	$_->{match} = qr/$_->{match}/
		3605	if exists $_->{match};
		3606	}
		3607	}
		3608
		3609	sub reload_facedata {
		3610	load_facedata "$DATADIR/facedata"
		3611	or die "unable to load facedata\n";
		3612	}
		3613
		3614	sub reload_archetypes {
		3615	load_resource_file "$DATADIR/archetypes"
		3616	or die "unable to load archetypes\n";
		3617	}
		3618
		3619	sub reload_treasures {
		3620	load_resource_file "$DATADIR/treasures"
		3621	or die "unable to load treasurelists\n";
		3622	}
		3623
		3624	sub reload_sound {
		3625	trace "loading sound config from $DATADIR/sound\n";
		3626
		3627	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3628
		3629	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3630	my $sound = $soundconf->{compat}[$_]
		3631	or next;
		3632
		3633	my $face = cf::face::find "sound/$sound->[1]";
		3634	cf::sound::set $sound->[0] => $face;
		3635	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3636	}
		3637
		3638	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3639	my $face = cf::face::find "sound/$v";
		3640	cf::sound::set $k => $face;
		3641	}
		3642	}
		3643
2389	sub reload_resources {	3644	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3645	trace "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3646
		3647	reload_exp_table;
		3648	reload_materials;
2392	load_facedata	3649	reload_facedata;
2393	or die "unable to load facedata\n";#d#	3650	reload_sound;
2394	}	3651	reload_archetypes;
2395
2396	sub init {
2397	reload_resources;	3652	reload_regions;
2398	}	3653	reload_treasures;
2399		3654
2400	sub cfg_load {	3655	trace "finished reloading resource files\n";
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3656	}
2402	or return;
2403		3657
2404	local $/;	3658	sub reload_config {
2405	*CFG = YAML::Syck::Load <$fh>;	3659	trace "reloading config file...\n";
2406		3660
		3661	my $config = load_file "$CONFDIR/config";
		3662	utf8::decode $config;
		3663	*CFG = decode_yaml $config;
		3664
2407	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2408		3666
2409	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3667	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2410	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3668	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2411		3669
2412	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
2416	};	3674	};
2417	warn $@ if $@;	3675	warn $@ if $@;
2418	}	3676	}
2419	}	3677	}
2420		3678
		3679	sub pidfile() {
		3680	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3681	or die "$PIDFILE: $!";
		3682	flock $fh, &Fcntl::LOCK_EX
		3683	or die "$PIDFILE: flock: $!";
		3684	$fh
		3685	}
		3686
		3687	# make sure only one server instance is running at any one time
		3688	sub atomic {
		3689	my $fh = pidfile;
		3690
		3691	my $pid = <$fh>;
		3692	kill 9, $pid if $pid > 0;
		3693
		3694	seek $fh, 0, 0;
		3695	print $fh $$;
		3696	}
		3697
		3698	sub main_loop {
		3699	trace "EV::loop starting\n";
		3700	if (1) {
		3701	EV::loop;
		3702	}
		3703	trace "EV::loop returned\n";
		3704	goto &main_loop unless $REALLY_UNLOOP;
		3705	}
		3706
2421	sub main {	3707	sub main {
		3708	cf::init_globals; # initialise logging
		3709
		3710	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3711	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3712	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3713	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3714
		3715	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3716
2422	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
2423	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
2424	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3719	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2425	(async {	3720	(async {
2426	Event::one_event;	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3722	EV::loop EV::LOOP_ONESHOT;
2427	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
2428	};	3724	};
2429		3725
2430	cfg_load;	3726	evthread_start IO::AIO::poll_fileno;
		3727
		3728	cf::sync_job {
		3729	cf::incloader::init ();
		3730
		3731	cf::init_anim;
		3732	cf::init_attackmess;
		3733	cf::init_dynamic;
		3734
		3735	cf::load_settings;
		3736
		3737	reload_resources;
		3738	reload_config;
2431	db_init;	3739	db_init;
		3740
		3741	cf::init_uuid;
		3742	cf::init_signals;
		3743	cf::init_skills;
		3744
		3745	cf::init_beforeplay;
		3746
		3747	atomic;
		3748
2432	load_extensions;	3749	load_extensions;
2433		3750
2434	$TICK_WATCHER->start;	3751	utime time, time, $RUNTIMEFILE;
2435	Event::loop;	3752
		3753	# no (long-running) fork's whatsoever before this point(!)
		3754	use POSIX ();
		3755	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3756
		3757	cf::_post_init 0;
		3758	};
		3759
		3760	cf::object::thawer::errors_are_fatal 0;
		3761	info "parse errors in files are no longer fatal from this point on.\n";
		3762
		3763	AE::postpone {
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
2436	}	3768	}
2437		3769
2438	#############################################################################	3770	#############################################################################
2439	# initialisation and cleanup	3771	# initialisation and cleanup
2440		3772
2441	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
2442	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
2443	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
2444	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2445	reentrant => 0,
2446	data => WF_AUTOCANCEL,
2447	signal => $signal,
2448	prio => 0,
2449	cb => sub {
2450	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
2451	},
2452	);	3779	};
		3780	}
		3781	}
		3782
		3783	sub write_runtime_sync {
		3784	my $t0 = AE::time;
		3785
		3786	# first touch the runtime file to show we are still running:
		3787	# the fsync below can take a very very long time.
		3788
		3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3790
		3791	my $guard = cf::lock_acquire "write_runtime";
		3792
		3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3794	or return;
		3795
		3796	my $value = $cf::RUNTIME + 90 + 10;
		3797	# 10 is the runtime save interval, for a monotonic clock
		3798	# 60 allows for the watchdog to kill the server.
		3799
		3800	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3801	and return;
		3802
		3803	# always fsync - this file is important
		3804	aio_fsync $fh
		3805	and return;
		3806
		3807	# touch it again to show we are up-to-date
		3808	aio_utime $fh, undef, undef;
		3809
		3810	close $fh
		3811	or return;
		3812
		3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3814	and return;
		3815
		3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3817
2453	}	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
2454	}	3869	}
2455		3870
2456	sub emergency_save() {	3871	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
2458		3873
2459	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
2460		3880
2461	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
2462	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
2463	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
2464	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
2465	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
2466	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
2467	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
2468	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2469	$pl->save;	3892	$pl->save;
2470	}	3893	}
2471	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
2472		3895
2473	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
2474	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
2475	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
2476	$map->valid or next;	3901	$map->valid or next;
2477	$map->save;	3902	$map->save;
2478	}	3903	}
2479	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
2480		3905
2481	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
2482	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
2483	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
2484	};	3934	};
2485		3935
2486	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
2487	}	3937	}
2488		3938
2489	sub post_cleanup {	3939	sub post_cleanup {
2490	my ($make_core) = @_;	3940	my ($make_core) = @_;
2491		3941
		3942	IO::AIO::flush;
		3943
2492	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3945	if $make_core;
2494	}
2495		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
		3974	}
		3975
2496	sub reload() {	3976	sub do_reload_perl() {
2497	# can/must only be called in main	3977	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
2499	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
2500	return;	3980	return;
2501	}	3981	}
2502		3982
2503	warn "reloading...";	3983	return if $RELOAD++;
2504		3984
2505	warn "entering sync_job";	3985	my $t1 = AE::time;
2506		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
2507	cf::sync_job {	3993	cf::sync_job {
2508	cf::write_runtime; # external watchdog should not bark
2509	cf::emergency_save;	3994	#cf::emergency_save;
2510	cf::write_runtime; # external watchdog should not bark
2511		3995
2512	warn "syncing database to disk";
2513	BDB::db_env_txn_checkpoint $DB_ENV;
2514
2515	# if anything goes wrong in here, we should simply crash as we already saved
2516
2517	warn "cancelling all WF_AUTOCANCEL watchers";
2518	for (Event::all_watchers) {
2519	$_->cancel if $_->data & WF_AUTOCANCEL;
2520	}
2521
2522	warn "flushing outstanding aio requests";
2523	for (;;) {
2524	BDB::flush;
2525	IO::AIO::flush;
2526	Coro::cede;
2527	last unless IO::AIO::nreqs || BDB::nreqs;
2528	warn "iterate...";
2529	}
2530
2531	++$RELOAD;
2532
2533	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
2534	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
2535	%EXT_CORO = ();	3998	%EXT_CORO = ();
2536		3999
2537	warn "removing commands";	4000	trace "perl_reload: removing commands";
2538	%COMMAND = ();	4001	%COMMAND = ();
2539		4002
2540	warn "removing ext commands";	4003	trace "perl_reload: removing ext/exti commands";
2541	%EXTCMD = ();	4004	%EXTCMD = ();
		4005	%EXTICMD = ();
2542		4006
2543	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
2546		4010
2547	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
2548	eval {	4012	eval {
2549	$cb->($pkg);	4013	$cb->($pkg);
2550	1	4014	1
2551	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
2552	}	4020	}
2553		4021
2554	warn "... nuking $pkg";
2555	Symbol::delete_package $pkg;
2556	}
2557
2558	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2559	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
2560	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2561		4025
2562	warn "... unloading $k";	4026	trace "... unloading $k";
2563	delete $INC{$k};	4027	delete $INC{$k};
2564		4028
2565	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
2566	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
2567		4031
2568	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
2569	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
2570	}	4037	}
2571		4038
2572	Symbol::delete_package $k;
2573	}
2574
2575	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
2576	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578		4042
2579	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
		4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2581		4046
2582	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
2583	# and global variables created in xs	4048	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
2585		4050
2586	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
2587		4052
2588	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
2589	require cf;	4054	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
2591		4056
2592	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
2593	cf::cfg_load;	4058	cf::reload_config;
2594		4059
2595	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
2596	cf::load_extensions;	4061	cf::load_extensions;
2597		4062
		4063	if ($REATTACH_ON_RELOAD) {
2598	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
2599	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
2600	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
2601	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
2604		4071
2605	warn "loading reloadable resources";	4072	cf::_post_init 1;
2606	reload_resources;
2607		4073
2608	warn "leaving sync_job";	4074	trace "perl_reload: leaving sync_job";
2609		4075
2610	1	4076	1
2611	} or do {	4077	} or do {
2612	warn $@;	4078	error $@;
2613	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
2614	exit 1;	4080	};
		4081
		4082	--$RELOAD;
		4083	}
		4084
		4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
		4087	};
		4088
		4089	our $RELOAD_WATCHER; # used only during reload
		4090
		4091	sub reload_perl() {
		4092	# doing reload synchronously and two reloads happen back-to-back,
		4093	# coro crashes during coro_state_free->destroy here.
		4094
		4095	$RELOAD_WATCHER ||= cf::async {
		4096	Coro::AIO::aio_wait cache_extensions;
		4097
		4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4099	do_reload_perl;
		4100	undef $RELOAD_WATCHER;
		4101	};
2615	};	4102	};
2616		4103	}
2617	warn "reloaded";
2618	};
2619
2620	our $RELOAD_WATCHER; # used only during reload
2621		4104
2622	register_command "reload" => sub {	4105	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
2624		4107
2625	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
2627		4110	async {
2628	# doing reload synchronously and two reloads happen back-to-back,	4111	$Coro::current->{desc} = "perl_reload";
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;	4112	reload_perl;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);	4113	};
2640	}	4114	}
2641	};	4115	};
2642		4116
2643	unshift @INC, $LIBDIR;	4117	#############################################################################
2644		4118
2645	my $bug_warning = 0;	4119	my $bug_warning = 0;
2646		4120
2647	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;
2649
2650	sub wait_for_tick {	4121	sub wait_for_tick() {
2651	my $signal = new Coro::Signal;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2652	push @WAIT_FOR_TICK, $signal;
2653	$signal->wait;
2654	}
2655		4123
		4124	$WAIT_FOR_TICK->wait;
		4125	}
		4126
2656	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
		4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4129
2657	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
2658	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
2659	$signal->wait;	4132	$signal->wait;
2660	}	4133	}
2661		4134
2662	$TICK_WATCHER = Event->timer (	4135	sub tick {
2663	reentrant => 0,
2664	parked => 1,
2665	prio => 0,
2666	at => $NEXT_TICK || $TICK,
2667	data => WF_AUTOCANCEL,
2668	cb => sub {
2669	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
2670	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2671	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
2672	return;	4139	return;
2673	}	4140	}
2674		4141
2675	$NOW = Event::time;	4142	cf::one_tick; # one server iteration
2676		4143
2677	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2678	$RUNTIME += $TICK;
2679	$NEXT_TICK += $TICK;
2680		4145
2681	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2682	$NEXT_RUNTIME_WRITE = $NOW + 10;	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2683	Coro::async_pool {	4148	Coro::async_pool {
		4149	$Coro::current->{desc} = "runtime saver";
2684	write_runtime	4150	write_runtime_sync
2685	or warn "ERROR: unable to write runtime file: $!";	4151	or error "ERROR: unable to write runtime file: $!";
2686	};
2687	}	4152	};
		4153	}
2688		4154
2689	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2690	$sig->send;	4156	$sig->send;
2691	}
2692	while (my $sig = shift @WAIT_FOR_TICK) {
2693	$sig->send;
2694	}
2695
2696	# my $AFTER = Event::time;
2697	# warn $AFTER - $NOW;#d#
2698
2699	# if we are delayed by four ticks or more, skip them all
2700	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2701
2702	$TICK_WATCHER->at ($NEXT_TICK);
2703	$TICK_WATCHER->start;
2704	},	4157	}
2705	);	4158	$WAIT_FOR_TICK->broadcast;
		4159
		4160	$LOAD = ($NOW - $TICK_START) / $TICK;
		4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4162
		4163	if (0) {
		4164	if ($NEXT_TICK) {
		4165	my $jitter = $TICK_START - $NEXT_TICK;
		4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4167	debug "jitter $JITTER\n";#d#
		4168	}
		4169	}
		4170	}
2706		4171
2707	{	4172	{
2708	BDB::max_poll_time $TICK * 0.1;	4173	# configure BDB
2709	$BDB_POLL_WATCHER = Event->io (	4174
2710	reentrant => 0,
2711	fd => BDB::poll_fileno,
2712	poll => 'r',
2713	prio => 0,
2714	data => WF_AUTOCANCEL,
2715	cb => \&BDB::poll_cb,
2716	);
2717	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
2718		4176	BDB::max_poll_reqs $TICK * 0.1;
2719	BDB::set_sync_prepare {	4177	#$AnyEvent::BDB::WATCHER->priority (1);
2720	my $status;
2721	my $current = $Coro::current;
2722	(
2723	sub {
2724	$status = $!;
2725	$current->ready; undef $current;
2726	},
2727	sub {
2728	Coro::schedule while defined $current;
2729	$! = $status;
2730	},
2731	)
2732	};
2733		4178
2734	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
2735	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
		4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2736		4186
2737	cf::sync_job {	4187	cf::sync_job {
2738	eval {	4188	eval {
2739	BDB::db_env_open	4189	BDB::db_env_open
2740	$DB_ENV,	4190	$DB_ENV,
2741	$BDB_ENV_DIR,	4191	$BDBDIR,
2742	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4192	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2743	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2744	0666;	4194	0666;
2745		4195
2746	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2747
2748	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2749	$DB_ENV->set_lk_detect;
2750	};	4197	};
2751		4198
2752	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
2753	};	4200	};
2754	}	4201	}
		4202
		4203	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4204	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4205	};
		4206	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4207	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4208	};
		4209	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4211	};
2755	}	4212	}
2756		4213
2757	{	4214	{
		4215	# configure IO::AIO
		4216
2758	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
2759
2760	undef $Coro::AIO::WATCHER;
2761	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
2762	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
2763	reentrant => 0,
2764	data => WF_AUTOCANCEL,
2765	fd => IO::AIO::poll_fileno,
2766	poll => 'r',
2767	prio => 6,
2768	cb => \&IO::AIO::poll_cb,
2769	);
2770	}	4220	}
		4221
		4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
		4224
		4225	sub _log_backtrace {
		4226	my ($msg, @addr) = @_;
		4227
		4228	$msg =~ s/\n$//;
		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4233	# limit the # of concurrent backtraces
		4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
		4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
		4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
		4241	my @bt = fork_call {
		4242	@addr = map { sprintf "%x", $_ } @addr;
		4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4244	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4245	or die "addr2line: $!";
		4246
		4247	my @funcs;
		4248	my @res = <$fh>;
		4249	chomp for @res;
		4250	while (@res) {
		4251	my ($func, $line) = splice @res, 0, 2, ();
		4252	push @funcs, "[$func] $line";
		4253	}
		4254
		4255	@funcs
		4256	};
		4257
		4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4260	LOG llevInfo, "[ABT] $_\n" for @bt;
		4261	--$_log_backtrace;
		4262	};
		4263	} else {
		4264	LOG llevInfo, "[ABT] $msg\n";
		4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4266	}
		4267	}
		4268
		4269	# load additional modules
		4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
2771		4272
2772	END { cf::emergency_save }	4273	END { cf::emergency_save }
2773		4274
2774	1	4275	1
2775		4276

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines