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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.263 by root, Sat May 5 05:40:27 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 Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	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;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	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;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	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;
77	our $NOW;	138	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		139
80	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
91		143
92	# 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 ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
95	binmode STDOUT;	160	binmode STDOUT;
96	binmode STDERR;	161	binmode STDERR;
97		162
98	# read virtual server time, if available	163	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
103	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
104		171
105	mkdir $_	172	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		174
108	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
109		176
110	sub cf::map::normalise;	177	sub cf::map::normalise;
111		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
112	#############################################################################	183	#############################################################################
113		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
114	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
115		197
116	=over 4	198	=over 4
117		199
118	=item $cf::UPTIME	200	=item $cf::UPTIME
119		201
120	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.
121		218
122	=item $cf::RUNTIME	219	=item $cf::RUNTIME
123		220
124	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
125	every server tick.	222	every server tick.
…		…
131	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
133	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
134	database environment.	231	database environment.
135		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
136	=item $cf::NOW	239	=item $cf::LOAD
137		240
138	The time of the last (current) server tick.	241	The raw value load value from the last tick.
139
140	=item $cf::TICK
141
142	The interval between server ticks, in seconds.
143		242
144	=item %cf::CFG	243	=item %cf::CFG
145		244
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	246	from wherever your confdir points to.
148		247
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		249
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
155	=back	283	=back
156		284
157	=cut	285	=cut
158		286
159	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
160	*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 {
161	my $msg = join "", @_;	294	my $msg = join "", @_;
162		295
163	$msg .= "\n"	296	$msg .= "\n"
164	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
165		298
166	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
167		300
168	utf8::encode $msg;
169	LOG llevError, $msg;	301	LOG llevWarn, $msg;
170	};	302	};
171	}	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	};
172		317
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@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';
178	@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)
179		325
180	# 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
181	# within the Safe compartment.	327	# within the Safe compartment.
182	for my $pkg (qw(	328	for my $pkg (qw(
183	cf::global cf::attachable	329	cf::global cf::attachable
184	cf::object cf::object::player	330	cf::object cf::object::player
185	cf::client cf::player	331	cf::client cf::player
186	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
187	cf::map cf::party cf::region	334	cf::party cf::region
188	)) {	335	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	337	}
192		338
193	$Event::DIED = sub {	339	$EV::DIED = sub {
194	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
195	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
196		349
197	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
198		351
199	=over 4	352	=over 4
200		353
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	373	$d
221	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
222	}	375	}
223		376
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	377	=item $scalar = cf::load_file $path
225		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
		391	=item $success = cf::replace_file $path, $data, $sync
		392
		393	Atomically replaces the file at the given $path with new $data, and
		394	optionally $sync the data to disk before replacing the file.
		395
		396	=cut
		397
		398	sub replace_file($$;$) {
		399	my ($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
226	=item $ref = cf::from_json $json	429	=item $ref = cf::decode_json $json
227		430
228	Converts a JSON string into the corresponding perl data structure.	431	Converts a JSON string into the corresponding perl data structure.
229		432
230	=item $json = cf::to_json $ref	433	=item $json = cf::encode_json $ref
231		434
232	Converts a perl data structure into its JSON representation.	435	Converts a perl data structure into its JSON representation.
233		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
234	=item cf::lock_wait $string	506	=item cf::lock_wait $string
235		507
236	Wait until the given lock is available. See cf::lock_acquire.	508	Wait until the given lock is available. See cf::lock_acquire.
237		509
238	=item my $lock = cf::lock_acquire $string	510	=item my $lock = cf::lock_acquire $string
239		511
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	514	for example when the coroutine gets canceled), the lock is automatically
243	returned.	515	returned.
244		516
		517	Locks are *not* recursive, locking from the same coro twice results in a
		518	deadlocked coro.
		519
245	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
246	uses map_find and cf::map::load uses map_load).	521	uses map_find and cf::map::load uses map_load).
247		522
248	=item $locked = cf::lock_active $string	523	=item $locked = cf::lock_active $string
249		524
250	Return true if the lock is currently active, i.e. somebody has locked it.	525	Return true if the lock is currently active, i.e. somebody has locked it.
251		526
252	=cut	527	=cut
253		528
254	our %LOCK;	529	our $LOCKS = new Coro::SemaphoreSet;
255		530
256	sub lock_wait($) {	531	sub lock_wait($) {
257	my ($key) = @_;	532	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	533	}
265		534
266	sub lock_acquire($) {	535	sub lock_acquire($) {
267	my ($key) = @_;	536	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	537	}
279		538
280	sub lock_active($) {	539	sub lock_active($) {
281	my ($key) = @_;	540	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	541	}
285		542
286	sub freeze_mainloop {	543	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	544	tick_inhibit_inc;
288		545
289	my $guard = Coro::guard {	546	&Guard::guard (\&tick_inhibit_dec);
290	$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($$) {
		557	my ($interval, $cb) = @_;
		558
		559	my $start = rand List::Util::min 180, $interval;
		560
		561	EV::periodic $start, $interval, 0, $cb
		562	}
		563
		564	=item cf::get_slot $time[, $priority[, $name]]
		565
		566	Allocate $time seconds of blocking CPU time at priority C<$priority>
		567	(default: 0): This call blocks and returns only when you have at least
		568	C<$time> seconds of cpu time till the next tick. The slot is only valid
		569	till the next cede.
		570
		571	Background jobs should use a priority les than zero, interactive jobs
		572	should use 100 or more.
		573
		574	The optional C<$name> can be used to identify the job to run. It might be
		575	used for statistical purposes and should identify the same time-class.
		576
		577	Useful for short background jobs.
		578
		579	=cut
		580
		581	our @SLOT_QUEUE;
		582	our $SLOT_QUEUE;
		583	our $SLOT_DECAY = 0.9;
		584
		585	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		586	$SLOT_QUEUE = Coro::async {
		587	$Coro::current->desc ("timeslot manager");
		588
		589	my $signal = new Coro::Signal;
		590	my $busy;
		591
		592	while () {
		593	next_job:
		594
		595	my $avail = cf::till_tick;
		596
		597	for (0 .. $#SLOT_QUEUE) {
		598	if ($SLOT_QUEUE[$_][0] <= $avail) {
		599	$busy = 0;
		600	my $job = splice @SLOT_QUEUE, $_, 1, ();
		601	$job->[2]->send;
		602	Coro::cede;
		603	goto next_job;
		604	} else {
		605	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		606	}
		607	}
		608
		609	if (@SLOT_QUEUE) {
		610	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		611	$WAIT_FOR_TICK->wait;
		612	} else {
		613	$busy = 0;
		614	Coro::schedule;
		615	}
291	};	616	}
292	$TICK_WATCHER->stop;	617	};
293	$guard	618
		619	sub get_slot($;$$) {
		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	$sig->wait;
294	}	632	}
295		633
296	=item cf::async { BLOCK }	634	=item cf::async { BLOCK }
297		635
298	Currently the same as Coro::async_pool, meaning you cannot use	636	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		641
304	BEGIN { *async = \&Coro::async_pool }	642	BEGIN { *async = \&Coro::async_pool }
305		643
306	=item cf::sync_job { BLOCK }	644	=item cf::sync_job { BLOCK }
307		645
308	The design of crossfire+ requires that the main coro ($Coro::main) is	646	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	647	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	648	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		649	acceptable.
311		650
312	If it must be done, put the blocking parts into C<sync_job>. This will run	651	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	652	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	653	server will be frozen during this time, so the block should either finish
315	fast or be very important.	654	fast or be very important.
…		…
317	=cut	656	=cut
318		657
319	sub sync_job(&) {	658	sub sync_job(&) {
320	my ($job) = @_;	659	my ($job) = @_;
321		660
322	if ($Coro::current == $Coro::main) {	661	if (in_main) {
		662	my $time = AE::time;
		663
323	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
325		666
326	# TODO: use suspend/resume instead	667	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	668
328	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
329		670
330	my $busy = 1;	671	my $busy = 1;
331	my @res;	672	my @res;
332		673
333	(async {	674	(async {
		675	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	676	@res = eval { $job->() };
335	warn $@ if $@;	677	error $@ if $@;
336	undef $busy;	678	undef $busy;
337	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
338		680
339	while ($busy) {	681	while ($busy) {
340	Coro::cede or Event::one_event;	682	if (Coro::nready) {
		683	Coro::cede_notself;
		684	} else {
		685	EV::loop EV::LOOP_ONESHOT;
341	}	686	}
		687	}
		688
		689	my $time = AE::time - $time;
		690
		691	$TICK_START += $time; # do not account sync jobs to server load
342		692
343	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
344	} else {	694	} else {
345	# we are in another coroutine, how wonderful, everything just works	695	# we are in another coroutine, how wonderful, everything just works
346		696
…		…
366	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
367		717
368	$coro	718	$coro
369	}	719	}
370		720
371	sub write_runtime {	721	=item fork_call { }, @args
372	my $guard = cf::lock_acquire "write_runtime";
373		722
374	my $runtime = "$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.
375		727
376	warn "starting to write runtime...\n";#d#	728	=cut
377	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
378	or return;
379		729
380	my $value = $cf::RUNTIME + 90 + 10;	730	sub post_fork {
381	# 10 is the runtime save interval, for a monotonic clock	731	reset_signals;
382	# 60 allows for the watchdog to kill the server.	732	}
383		733
384	(aio_write $fh, 0, (length $value), $value, 0) <= 0	734	sub fork_call(&@) {
385	and return;	735	my ($cb, @args) = @_;
386		736
387	# always fsync - this file is important	737	# we seemingly have to make a local copy of the whole thing,
388	aio_fsync $fh	738	# otherwise perl prematurely frees the stuff :/
389	and return;	739	# TODO: investigate and fix (likely this will be rather laborious)
390		740
391	close $fh	741	my @res = Coro::Util::fork_eval {
392	or return;	742	cf::post_fork;
		743	&$cb
		744	} @args;
393		745
394	aio_rename "$runtime~", $runtime	746	wantarray ? @res : $res[-1]
395	and return;	747	}
396		748
397	warn "... done writing runtime.\n";#d#	749	sub objinfo {
398
399	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"
400	}	913	}
401		914
402	=item cf::datalog type => key => value, ...	915	=item cf::datalog type => key => value, ...
403		916
404	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.
405		918
406	=cut	919	=cut
407		920
408	sub datalog($@) {	921	sub datalog($@) {
409	my ($type, %kv) = @_;	922	my ($type, %kv) = @_;
410	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	923	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
411	}	924	}
412		925
413	=back	926	=back
414		927
415	=cut	928	=cut
416		929
417	#############################################################################	930	#############################################################################
418		931
419	=head2 ATTACHABLE OBJECTS	932	=head2 ATTACHABLE OBJECTS
420		933
421	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
422	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")
423	to it. All such attachable objects support the following methods.	936	to it. All such attachable objects support the following methods.
424		937
425	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>
426	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
427	crossfire+).	940	Deliantra).
428		941
429	=over 4	942	=over 4
430		943
431	=item $attachable->attach ($attachment, key => $value...)	944	=item $attachable->attach ($attachment, key => $value...)
432		945
…		…
476	=item cf::CLASS::attachment $name, ...	989	=item cf::CLASS::attachment $name, ...
477		990
478	Register an attachment by C<$name> through which attachable objects of the	991	Register an attachment by C<$name> through which attachable objects of the
479	given CLASS can refer to this attachment.	992	given CLASS can refer to this attachment.
480		993
481	Some classes such as crossfire maps and objects can specify attachments	994	Some classes such as deliantra maps and objects can specify attachments
482	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.
483		996
484	These calls expect any number of the following handler/hook descriptions:	997	These calls expect any number of the following handler/hook descriptions:
485		998
486	=over 4	999	=over 4
…		…
595	$registry = $CB_TYPE[$object_type] ||= [];	1108	$registry = $CB_TYPE[$object_type] ||= [];
596		1109
597	} elsif ($type eq "subtype") {	1110	} elsif ($type eq "subtype") {
598	defined $object_type or Carp::croak "subtype specified without type";	1111	defined $object_type or Carp::croak "subtype specified without type";
599	my $object_subtype = shift @arg;	1112	my $object_subtype = shift @arg;
600	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1113	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
601		1114
602	} elsif ($type eq "package") {	1115	} elsif ($type eq "package") {
603	my $pkg = shift @arg;	1116	my $pkg = shift @arg;
604		1117
605	while (my ($name, $id) = each %cb_id) {	1118	while (my ($name, $id) = each %cb_id) {
…		…
610		1123
611	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
612	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
613		1126
614	} elsif (ref $type) {	1127	} elsif (ref $type) {
615	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
616		1129
617	} else {	1130	} else {
618	shift @arg;	1131	shift @arg;
619	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
620	}	1133	}
621	}	1134	}
622	}	1135	}
623		1136
624	sub _object_attach {	1137	sub _object_attach {
…		…
634	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
635	}	1148	}
636		1149
637	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
638	} else {	1151	} else {
639	warn "object uses attachment '$name' that is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
640	}	1153	}
641		1154
642	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
643	}	1156	}
644		1157
…		…
646	if (ref $_[0]) {	1159	if (ref $_[0]) {
647	_object_attach @_;	1160	_object_attach @_;
648	} else {	1161	} else {
649	_attach shift->_attach_registry, @_;	1162	_attach shift->_attach_registry, @_;
650	}	1163	}
		1164	_recalc_want;
651	};	1165	};
652		1166
653	# all those should be optimised	1167	# all those should be optimised
654	sub cf::attachable::detach {	1168	sub cf::attachable::detach {
655	my ($obj, $name) = @_;	1169	my ($obj, $name) = @_;
…		…
658	delete $obj->{_attachment}{$name};	1172	delete $obj->{_attachment}{$name};
659	reattach ($obj);	1173	reattach ($obj);
660	} else {	1174	} else {
661	Carp::croak "cannot, currently, detach class attachments";	1175	Carp::croak "cannot, currently, detach class attachments";
662	}	1176	}
		1177	_recalc_want;
663	};	1178	};
664		1179
665	sub cf::attachable::attached {	1180	sub cf::attachable::attached {
666	my ($obj, $name) = @_;	1181	my ($obj, $name) = @_;
667		1182
…		…
682	";	1197	";
683	die if $@;	1198	die if $@;
684	}	1199	}
685		1200
686	our $override;	1201	our $override;
687	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?
688		1203
689	sub override {	1204	sub override {
690	$override = 1;	1205	$override = 1;
691	@invoke_results = ();	1206	@INVOKE_RESULTS = (@_);
692	}	1207	}
693		1208
694	sub do_invoke {	1209	sub do_invoke {
695	my $event = shift;	1210	my $event = shift;
696	my $callbacks = shift;	1211	my $callbacks = shift;
697		1212
698	@invoke_results = ();	1213	@INVOKE_RESULTS = ();
699		1214
700	local $override;	1215	local $override;
701		1216
702	for (@$callbacks) {	1217	for (@$callbacks) {
703	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
704		1219
705	if ($@) {	1220	if ($@) {
706	warn "$@";
707	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
708	override;	1222	override;
709	}	1223	}
710		1224
711	return 1 if $override;	1225	return 1 if $override;
712	}	1226	}
713		1227
714	0	1228	0
715	}	1229	}
716		1230
717	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1231	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
718		1232
719	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1233	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
720		1234
721	Generate an object-specific event with the given arguments.	1235	Generate an object-specific event with the given arguments.
722		1236
723	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
724	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
725	results (if you must, access C<@cf::invoke_results> directly).	1239	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
726		1240
727	=back	1241	=back
728		1242
729	=cut	1243	=cut
730		1244
731	#############################################################################	1245	#############################################################################
732	# 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, $ob2
		1288	}
733		1289
734	sub reattach {	1290	sub reattach {
735	# basically do the same as instantiate, without calling instantiate	1291	# basically do the same as instantiate, without calling instantiate
736	my ($obj) = @_;	1292	my ($obj) = @_;
737		1293
		1294	# no longer needed after getting rid of delete_package?
738	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
739		1296
740	my $registry = $obj->registry;	1297	my $registry = $obj->registry;
741		1298
742	@$registry = ();	1299	@$registry = ();
743		1300
…		…
748	for (@$attach) {	1305	for (@$attach) {
749	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
750	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
751	}	1308	}
752	} else {	1309	} else {
753	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
754	}	1311	}
755	}	1312	}
756	}	1313	}
757		1314
758	cf::attachable->attach (	1315	cf::attachable->attach (
759	prio => -1000000,	1316	prio => -1000000,
760	on_instantiate => sub {	1317	on_instantiate => sub {
761	my ($obj, $data) = @_;	1318	my ($obj, $data) = @_;
762		1319
763	$data = from_json $data;	1320	$data = decode_json $data;
764		1321
765	for (@$data) {	1322	for (@$data) {
766	my ($name, $args) = @$_;	1323	my ($name, $args) = @$_;
767		1324
768	$obj->attach ($name, %{$args || {} });	1325	$obj->attach ($name, %{$args || {} });
…		…
784	sub object_freezer_save {	1341	sub object_freezer_save {
785	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
786		1343
787	sync_job {	1344	sync_job {
788	if (length $$rdata) {	1345	if (length $$rdata) {
		1346	utf8::decode (my $decname = $filename);
789	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
790	$filename, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
791		1350
792	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
793	chmod SAVE_MODE, $fh;	1352	aio_chmod $fh, SAVE_MODE;
794	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1353	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
795	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	}
796	close $fh;	1358	aio_close $fh;
797		1359
798	if (@$objs) {	1360	if (@$objs) {
799	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) {
800	chmod SAVE_MODE, $fh;	1362	aio_chmod $fh, SAVE_MODE;
801	my $data = Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
802	aio_write $fh, 0, (length $data), $data, 0;	1364	aio_write $fh, 0, (length $data), $data, 0;
803	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	}
804	close $fh;	1369	aio_close $fh;
805	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
806	}	1371	}
807	} else {	1372	} else {
808	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
809	}	1374	}
810		1375
811	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
812	} else {	1380	} else {
813	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
814	}	1382	}
815	} else {	1383	} else {
816	aio_unlink $filename;	1384	aio_unlink $filename;
817	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
818	}	1386	}
819	}	1387	};
820	}	1388	}
821		1389
822	sub object_freezer_as_string {	1390	sub object_freezer_as_string {
823	my ($rdata, $objs) = @_;	1391	my ($rdata, $objs) = @_;
824		1392
…		…
836	or return;	1404	or return;
837		1405
838	unless (aio_stat "$filename.pst") {	1406	unless (aio_stat "$filename.pst") {
839	(aio_load "$filename.pst", $av) >= 0	1407	(aio_load "$filename.pst", $av) >= 0
840	or return;	1408	or return;
		1409
841	$av = eval { (Storable::thaw $av)->{objs} };	1410	my $st = eval { Coro::Storable::thaw $av };
		1411	$av = $st->{objs};
842	}	1412	}
843		1413
		1414	utf8::decode (my $decname = $filename);
844	warn sprintf "loading %s (%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
845	$filename, length $data, scalar @{$av || []};#d#	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
		1418
846	return ($data, $av);	1419	($data, $av)
847	}	1420	}
		1421
		1422	=head2 COMMAND CALLBACKS
		1423
		1424	=over 4
		1425
		1426	=cut
848		1427
849	#############################################################################	1428	#############################################################################
850	# command handling &c	1429	# command handling &c
851		1430
852	=item cf::register_command $name => \&callback($ob,$args);	1431	=item cf::register_command $name => \&callback($ob,$args);
…		…
865	push @{ $COMMAND{$name} }, [$caller, $cb];	1444	push @{ $COMMAND{$name} }, [$caller, $cb];
866	}	1445	}
867		1446
868	=item cf::register_extcmd $name => \&callback($pl,$packet);	1447	=item cf::register_extcmd $name => \&callback($pl,$packet);
869		1448
870	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.
871		1454
872	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
873	called.	1456	called.
874		1457
		1458	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1459
		1460	Register a callback for execution when the client sends an (asynchronous)
		1461	exticmd packet. Exti commands are processed by the server as soon as they
		1462	are received, i.e. out of order w.r.t. other commands. The first argument
		1463	is a client socket. Exti commands can be received anytime, even before
		1464	log-in.
		1465
		1466	If the callback returns something, it is sent back as if reply was being
		1467	called.
		1468
875	=cut	1469	=cut
876		1470
877	sub register_extcmd {	1471	sub register_extcmd {
878	my ($name, $cb) = @_;	1472	my ($name, $cb) = @_;
879		1473
880	$EXTCMD{$name} = $cb;	1474	$EXTCMD{$name} = $cb;
881	}	1475	}
882		1476
		1477	sub register_exticmd {
		1478	my ($name, $cb) = @_;
		1479
		1480	$EXTICMD{$name} = $cb;
		1481	}
		1482
		1483	use File::Glob ();
		1484
883	cf::player->attach (	1485	cf::player->attach (
884	on_command => sub {	1486	on_unknown_command => sub {
885	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
886		1488
887	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
888	or return;	1490	or return;
889		1491
…		…
894	cf::override;	1496	cf::override;
895	},	1497	},
896	on_extcmd => sub {	1498	on_extcmd => sub {
897	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
898		1500
899	my $msg = eval { from_json $buf };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
900		1502
901	if (ref $msg) {	1503	if (ref $msg) {
		1504	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1505
		1506	my @reply;
		1507
902	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1508	if (my $cb = $EXTCMD{$type}) {
903	if (my %reply = $cb->($pl, $msg)) {	1509	@reply = $cb->($pl, @payload);
904	$pl->ext_reply ($msg->{msgid}, %reply);
905	}
906	}	1510	}
		1511
		1512	$pl->ext_reply ($reply, @reply)
		1513	if $reply;
		1514
907	} else {	1515	} else {
908	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
909	}	1517	}
910		1518
911	cf::override;	1519	cf::override;
912	},	1520	},
913	);	1521	);
914		1522
		1523	# "readahead" all extensions
915	sub load_extension {	1524	sub cache_extensions {
916	my ($path) = @_;	1525	my $grp = IO::AIO::aio_group;
917		1526
918	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1527	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
919	my $base = $1;	1528	for (grep /\.ext$/, @{$_[0]}) {
920	my $pkg = $1;	1529	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
921	$pkg =~ s/[^[:word:]]/_/g;
922	$pkg = "ext::$pkg";
923
924	warn "... loading '$path' into '$pkg'\n";
925
926	open my $fh, "<:utf8", $path
927	or die "$path: $!";
928
929	my $source =
930	"package $pkg; use strict; use utf8;\n"
931	. "#line 1 \"$path\"\n{\n"
932	. (do { local $/; <$fh> })
933	. "\n};\n1";
934
935	unless (eval $source) {
936	my $msg = $@ ? "$path: $@\n"
937	: "extension disabled.\n";
938	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
939	warn $@;
940	warn "mandatory extension failed to load, exiting.\n";
941	exit 1;
942	}	1530	}
943	die $@;
944	}	1531	};
945		1532
946	push @EXTS, $pkg;	1533	$grp
947	}	1534	}
948		1535
949	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
		1539	cf::sync_job {
		1540	my %todo;
		1541
950	for my $ext (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
951	next unless -r $ext;	1543	next unless -r $path;
952	eval {	1544
953	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 $active;
		1607	}
954	1	1608	}
955	} or warn "$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	}
956	}	1621	};
957	}	1622	}
958		1623
959	#############################################################################	1624	#############################################################################
960		1625
		1626	=back
		1627
961	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
962		1629
963	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
964		1631
965	=cut	1632	=cut
966		1633
967	package cf::player;	1634	package cf::player;
968		1635
969	use Coro::AIO;	1636	use Coro::AIO;
970		1637
971	=head3 cf::player	1638	=head3 cf::player
972		1639
973	=over 4	1640	=over 4
		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	}
974		1655
975	=item cf::player::find $login	1656	=item cf::player::find $login
976		1657
977	Returns the given player object, loading it if necessary (might block).	1658	Returns the given player object, loading it if necessary (might block).
978		1659
…		…
997		1678
998	sub exists($) {	1679	sub exists($) {
999	my ($login) = @_;	1680	my ($login) = @_;
1000		1681
1001	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
1002	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
1003	}	1684	}
1004		1685
1005	sub find($) {	1686	sub find($) {
1006	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
1007	my $login = $_[0];	1688	my $login = $_[0];
…		…
1014	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1695	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1015	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1696	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1016	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1697	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1017	aio_unlink +(playerdir $login) . "/$login.pl";	1698	aio_unlink +(playerdir $login) . "/$login.pl";
1018		1699
1019	my $pl = load_pl path $login	1700	my $f = new_from_file cf::object::thawer path $login
1020	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;
1021	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
1022	}	1709	}
1023	}	1710	}
1024	}	1711	}
		1712
		1713	cf::player->attach (
		1714	on_load => sub {
		1715	my ($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	);
1025		1725
1026	sub save($) {	1726	sub save($) {
1027	my ($pl) = @_;	1727	my ($pl) = @_;
1028		1728
1029	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
…		…
1034	return if $pl->{deny_save};	1734	return if $pl->{deny_save};
1035		1735
1036	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
1037	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
1038		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
1039	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
1040	Coro::cede;	1745	cf::cede_to_tick;
1041	}	1746	}
1042		1747
1043	sub new($) {	1748	sub new($) {
1044	my ($login) = @_;	1749	my ($login) = @_;
1045		1750
…		…
1051	$cf::PLAYER{$login} = $self;	1756	$cf::PLAYER{$login} = $self;
1052		1757
1053	$self	1758	$self
1054	}	1759	}
1055		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
1056	=item $pl->quit_character	1771	=item $pl->quit_character
1057		1772
1058	Nukes the player without looking back. If logged in, the connection will	1773	Nukes the player without looking back. If logged in, the connection will
1059	be destroyed. May block for a long time.	1774	be destroyed. May block for a long time.
1060		1775
…		…
1064	my ($pl) = @_;	1779	my ($pl) = @_;
1065		1780
1066	my $name = $pl->ob->name;	1781	my $name = $pl->ob->name;
1067		1782
1068	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1069	$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
1070		1785
1071	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1072	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1073	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1074	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1075		1794
1076	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1077	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1078	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
…		…
1113	or return [];	1832	or return [];
1114		1833
1115	my @logins;	1834	my @logins;
1116		1835
1117	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") {
1118	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1119	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1120	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1845	}
1121		1846
1122	utf8::decode $login;	1847	utf8::decode $login;
1123	push @logins, $login;	1848	push @logins, $login;
1124	}	1849	}
1125		1850
1126	\@logins	1851	\@logins
1127	}	1852	}
1128		1853
1129	=item $player->maps	1854	=item $player->maps
		1855
		1856	=item cf::player::maps $login
1130		1857
1131	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1132	player. May block.	1859	player. May block.
1133		1860
1134	=cut	1861	=cut
…		…
1152	}	1879	}
1153		1880
1154	\@paths	1881	\@paths
1155	}	1882	}
1156		1883
		1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1885
		1886	Expand deliantra pod fragments into protocol xml.
		1887
1157	=item $player->ext_reply ($msgid, %msg)	1888	=item $player->ext_reply ($msgid, @msg)
1158		1889
1159	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1160		1891
1161	=cut	1892	=cut
1162		1893
1163	sub ext_reply($$%) {	1894	sub ext_reply($$@) {
1164	my ($self, $id, %msg) = @_;	1895	my ($self, $id, @msg) = @_;
1165		1896
1166	$msg{msgid} = $id;	1897	$self->ns->ext_reply ($id, @msg)
1167
1168	$self->send ("ext " . cf::to_json \%msg);
1169	}	1898	}
1170		1899
1171	=item $player->ext_event ($type, %msg)	1900	=item $player->ext_msg ($type, @msg)
1172		1901
1173	Sends an ext event to the client.	1902	Sends an ext event to the client.
1174		1903
1175	=cut	1904	=cut
1176		1905
1177	sub ext_event($$%) {	1906	sub ext_msg($$@) {
1178	my ($self, $type, %msg) = @_;	1907	my ($self, $type, @msg) = @_;
1179		1908
1180	$self->ns->ext_event ($type, %msg);	1909	$self->ns->ext_msg ($type, @msg);
1181	}	1910	}
1182		1911
1183	=head3 cf::region	1912	=head3 cf::region
1184		1913
1185	=over 4	1914	=over 4
…		…
1188		1917
1189	package cf::region;	1918	package cf::region;
1190		1919
1191	=item cf::region::find_by_path $path	1920	=item cf::region::find_by_path $path
1192		1921
1193	Tries to decuce the probable region for a map knowing only its path.	1922	Tries to decuce the likely region for a map knowing only its path.
1194		1923
1195	=cut	1924	=cut
1196		1925
1197	sub find_by_path($) {	1926	sub find_by_path($) {
1198	my ($path) = @_;	1927	my ($path) = @_;
1199		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
		1930
1200	my ($match, $specificity);	1931	my ($match, $specificity);
1201		1932
1202	for my $region (list) {	1933	for my $region (list) {
1203	if ($region->match && $path =~ $region->match) {	1934	if ($region->{match} && $path =~ $region->{match}) {
1204	($match, $specificity) = ($region, $region->specificity)	1935	($match, $specificity) = ($region, $region->specificity)
1205	if $region->specificity > $specificity;	1936	if $region->specificity > $specificity;
1206	}	1937	}
1207	}	1938	}
1208		1939
…		…
1229	our $MAX_RESET = 3600;	1960	our $MAX_RESET = 3600;
1230	our $DEFAULT_RESET = 3000;	1961	our $DEFAULT_RESET = 3000;
1231		1962
1232	sub generate_random_map {	1963	sub generate_random_map {
1233	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1234	# mit "rum" bekleckern, nicht	1965
		1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1967
1235	$self->_create_random_map (	1968	$self->_create_random_map ($rmp);
1236	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1237	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1238	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1239	$rmp->{exit_on_final_map},
1240	$rmp->{xsize}, $rmp->{ysize},
1241	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1242	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1243	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1244	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1245	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1246	(cf::region::find $rmp->{region}), $rmp->{custom}
1247	)
1248	}	1969	}
1249		1970
1250	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1251		1972
1252	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
…		…
1257		1978
1258	sub register {	1979	sub register {
1259	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1260	my $pkg = caller;	1981	my $pkg = caller;
1261		1982
1262	no strict;
1263	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1264		1984
1265	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1266	}	1986	}
1267		1987
1268	# also paths starting with '/'	1988	# also paths starting with '/'
1269	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1270		1990
1271	sub thawer_merge {	1991	sub thawer_merge {
1272	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1273		1993
1274	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
1275	local $self->{path};	1995	local $self->{path};
1276	local $self->{load_path};	1996	local $self->{load_path};
1277	local $self->{deny_save};
1278	local $self->{deny_reset};
1279		1997
1280	$self->SUPER::thawer_merge ($merge);	1998	$self->SUPER::thawer_merge ($merge);
1281	}	1999	}
1282		2000
1283	sub normalise {	2001	sub normalise {
1284	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1285		2003
1286	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
1287		2005
1288	$path =~ s/\.map$//;	2006	$path =~ s/\.map$//;
1289		2007
1290	# map plan:	2008	# map plan:
1291	#	2009	#
…		…
1306	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1307	$path = "$base/$path";	2025	$path = "$base/$path";
1308	}	2026	}
1309		2027
1310	for ($path) {	2028	for ($path) {
1311	redo if s{//}{/};
1312	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1313	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1314	}	2031	}
1315		2032
1316	$path	2033	$path
…		…
1330	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1331	return $self;	2048	return $self;
1332	}	2049	}
1333	}	2050	}
1334		2051
1335	Carp::carp "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1336	()	2053	()
1337	}	2054	}
1338		2055
		2056	# may re-bless or do other evil things
1339	sub init {	2057	sub init {
1340	my ($self) = @_;	2058	my ($self) = @_;
1341		2059
1342	$self	2060	$self
1343	}	2061	}
…		…
1362		2080
1363	# the temporary/swap location	2081	# the temporary/swap location
1364	sub save_path {	2082	sub save_path {
1365	my ($self) = @_;	2083	my ($self) = @_;
1366		2084
1367	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2085	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1368	"$TMPDIR/$path.map"	2086	"$TMPDIR/$path.map"
1369	}	2087	}
1370		2088
1371	# the unique path, undef == no special unique path	2089	# the unique path, undef == no special unique path
1372	sub uniq_path {	2090	sub uniq_path {
1373	my ($self) = @_;	2091	my ($self) = @_;
1374		2092
1375	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1376	"$UNIQUEDIR/$path"	2094	"$UNIQUEDIR/$path"
1377	}	2095	}
1378		2096
1379	# and all this just because we cannot iterate over	2097	sub decay_objects {
1380	# all maps in C++...
1381	sub change_all_map_light {
1382	my ($change) = @_;	2098	my ($self) = @_;
1383		2099
1384	$_->change_map_light ($change)	2100	return if $self->{deny_reset};
1385	for grep $_->outdoor, values %cf::MAP;	2101
		2102	$self->do_decay_objects;
1386	}	2103	}
1387		2104
1388	sub unlink_save {	2105	sub unlink_save {
1389	my ($self) = @_;	2106	my ($self) = @_;
1390		2107
…		…
1395		2112
1396	sub load_header_from($) {	2113	sub load_header_from($) {
1397	my ($self, $path) = @_;	2114	my ($self, $path) = @_;
1398		2115
1399	utf8::encode $path;	2116	utf8::encode $path;
1400	#aio_open $path, O_RDONLY, 0	2117	my $f = new_from_file cf::object::thawer $path
1401	# or return;
1402
1403	$self->_load_header ($path)
1404	or return;	2118	or return;
1405		2119
		2120	$self->_load_header ($f)
		2121	or return;
		2122
		2123	local $MAP_LOADING{$self->{path}} = $self;
		2124	$f->resolve_delayed_derefs;
		2125
1406	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1407		2127
1408	1	2128	1
1409	}	2129	}
1410		2130
		2131	# used to laod the header of an original map
1411	sub load_header_orig {	2132	sub load_header_orig {
1412	my ($self) = @_;	2133	my ($self) = @_;
1413		2134
1414	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1415	}	2136	}
1416		2137
		2138	# used to laod the header of an instantiated map
1417	sub load_header_temp {	2139	sub load_header_temp {
1418	my ($self) = @_;	2140	my ($self) = @_;
1419		2141
1420	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1421	}	2143	}
1422		2144
		2145	# called after loading the header from an instantiated map
1423	sub prepare_temp {	2146	sub prepare_temp {
1424	my ($self) = @_;	2147	my ($self) = @_;
1425		2148
1426	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1427	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1428	# safety	2151	# safety
1429	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1430	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1431	}	2154	}
1432		2155
		2156	# called after loading the header from an original map
1433	sub prepare_orig {	2157	sub prepare_orig {
1434	my ($self) = @_;	2158	my ($self) = @_;
1435		2159
1436	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1437	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1448	$self->load_header_orig	2172	$self->load_header_orig
1449	or return;	2173	or return;
1450	$self->prepare_orig;	2174	$self->prepare_orig;
1451	}	2175	}
1452		2176
		2177	$self->{deny_reset} = 1
		2178	if $self->no_reset;
		2179
1453	$self->default_region (cf::region::find_by_path $self->{path})	2180	$self->default_region (cf::region::find_by_path $self->{path})
1454	unless $self->default_region;	2181	unless $self->default_region;
1455		2182
1456	1	2183	1
1457	}	2184	}
1458		2185
1459	sub find;	2186	sub find;
1460	sub find {	2187	sub find {
1461	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
1462		2189
		2190	cf::cede_to_tick;
		2191
1463	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
1464		2193
		2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1465	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
1466		2196
1467	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
1468	my $guard = cf::lock_acquire "map_find:$path";
1469	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
1470	or return;	2199	or return;
1471		2200
1472	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
1473		2202
1474	$map->load_header	2203	$map->load_header
1475	or return;	2204	or return;
1476		2205
1477	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1478	# doing this can freeze the server in a sync job, obviously	2207	# doing this can freeze the server in a sync job, obviously
1479	#$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
		2210	undef $guard1;
1480	$map->reset;	2211	$map->reset;
1481	undef $guard;
1482	return find $path;	2212	return find $path;
1483	}	2213	}
1484		2214
1485	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
1486	}	2216	}
1487	}	2217	}
1488		2218
1489	sub pre_load { }	2219	sub pre_load { }
1490	sub post_load { }	2220	#sub post_load { } # XS
1491		2221
1492	sub load {	2222	sub load {
1493	my ($self) = @_;	2223	my ($self) = @_;
1494		2224
1495	local $self->{deny_reset} = 1; # loading can take a long time	2225	local $self->{deny_reset} = 1; # loading can take a long time
1496		2226
1497	my $path = $self->{path};	2227	my $path = $self->{path};
1498		2228
1499	{	2229	{
1500	my $guard = cf::lock_acquire "map_load:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
1501		2231
		2232	return unless $self->valid;
1502	return if $self->in_memory != cf::MAP_SWAPPED;	2233	return unless $self->state == cf::MAP_SWAPPED;
1503
1504	$self->in_memory (cf::MAP_LOADING);
1505		2234
1506	$self->alloc;	2235	$self->alloc;
1507		2236
1508	$self->pre_load;	2237	$self->pre_load;
1509	Coro::cede;	2238	cf::cede_to_tick;
1510		2239
1511	$self->_load_objects ($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)
1512	or return;	2244	or return;
1513		2245
1514	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
1515	if delete $self->{load_original};	2247	if delete $self->{load_original};
1516		2248
1517	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
1518	utf8::encode $uniq;	2250	utf8::encode $uniq;
1519	if (aio_open $uniq, O_RDONLY, 0) {	2251	unless (aio_stat $uniq) {
		2252	if (my $f = new_from_file cf::object::thawer $uniq) {
1520	$self->clear_unique_items;	2253	$self->clear_unique_items;
1521	$self->_load_objects ($uniq, 0);	2254	$self->_load_objects ($f);
		2255	$f->resolve_delayed_derefs;
		2256	}
		2257	}
1522	}	2258	}
1523	}
1524		2259
1525	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;
1526	# now do the right thing for maps	2269	# now do the right thing for maps
1527	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
1528	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
1529	unless $self->difficulty;	2272	unless $self->difficulty;
1530	Coro::cede;	2273	cf::cede_to_tick;
1531		2274
1532	unless ($self->{deny_activate}) {	2275	unless ($self->{deny_activate}) {
1533	$self->decay_objects;	2276	$self->decay_objects;
1534	$self->fix_auto_apply;	2277	$self->fix_auto_apply;
1535	$self->update_buttons;	2278	$self->update_buttons;
1536	Coro::cede;	2279	cf::cede_to_tick;
1537	$self->set_darkness_map;	2280	#$self->activate; # no longer activate maps automatically
1538	Coro::cede;
1539	$self->activate;
1540	}	2281	}
1541		2282
1542	$self->in_memory (cf::MAP_IN_MEMORY);	2283	$self->{last_save} = $cf::RUNTIME;
		2284	$self->last_access ($cf::RUNTIME);
1543	}	2285	}
1544		2286
1545	$self->post_load;	2287	$self->post_load;
1546	}
1547		2288
		2289	1
		2290	}
		2291
		2292	# customize the map for a given player, i.e.
		2293	# return the _real_ map. used by e.g. per-player
		2294	# maps to change the path to ~playername/mappath
1548	sub customise_for {	2295	sub customise_for {
1549	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
1550		2297
1551	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
1552	if $self->per_player;	2299	if $self->per_player;
1553		2300
		2301	# return find "?party/" . $ob->name . "/" . $self->{path}
		2302	# if $self->per_party;
		2303
1554	$self	2304	$self
1555	}
1556
1557	# find and load all maps in the 3x3 area around a map
1558	sub load_diag {
1559	my ($map) = @_;
1560
1561	my @diag; # diagonal neighbours
1562
1563	for (0 .. 3) {
1564	my $neigh = $map->tile_path ($_)
1565	or next;
1566	$neigh = find $neigh, $map
1567	or next;
1568	$neigh->load;
1569
1570	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1571	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1572	}
1573
1574	for (@diag) {
1575	my $neigh = find @$_
1576	or next;
1577	$neigh->load;
1578	}
1579	}	2305	}
1580		2306
1581	sub find_sync {	2307	sub find_sync {
1582	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
1583		2309
1584	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, $origin
1585	}	2315	}
1586		2316
1587	sub do_load_sync {	2317	sub do_load_sync {
1588	my ($map) = @_;	2318	my ($map) = @_;
1589		2319
1590	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;
1591	}	2325	}
1592		2326
1593	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
1594	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
1595		2329
1596	sub find_async {	2330	sub find_async {
1597	my ($path, $origin) = @_;	2331	my ($path, $origin, $load) = @_;
1598		2332
1599	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
1600		2334
1601	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
1602	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2336	return $map if !$load || $map->linkable;
1603	}	2337	}
1604		2338
1605	undef $MAP_PREFETCH{$path};	2339	$MAP_PREFETCH{$path} |= $load;
		2340
1606	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
		2342	$Coro::current->{desc} = "map prefetcher";
		2343
1607	while (%MAP_PREFETCH) {	2344	while (%MAP_PREFETCH) {
1608	for my $path (keys %MAP_PREFETCH) {	2345	while (my ($k, $v) = each %MAP_PREFETCH) {
1609	my $map = find $path	2346	if (my $map = find $k) {
1610	or next;
1611	$map->load;	2347	$map->load if $v;
		2348	}
1612		2349
1613	delete $MAP_PREFETCH{$path};	2350	delete $MAP_PREFETCH{$k};
1614	}	2351	}
1615	}	2352	}
1616	undef $MAP_PREFETCHER;	2353	undef $MAP_PREFETCHER;
1617	};	2354	};
1618	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
1619		2356
1620	()	2357	()
1621	}	2358	}
1622		2359
		2360	# common code, used by both ->save and ->swapout
1623	sub save {	2361	sub _save {
1624	my ($self) = @_;	2362	my ($self) = @_;
1625
1626	my $lock = cf::lock_acquire "map_data:" . $self->path;
1627		2363
1628	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
1629		2365
1630	return unless $self->dirty;	2366	return unless $self->dirty;
1631		2367
…		…
1637	return if $self->{deny_save};	2373	return if $self->{deny_save};
1638		2374
1639	local $self->{last_access} = $self->last_access;#d#	2375	local $self->{last_access} = $self->last_access;#d#
1640		2376
1641	cf::async {	2377	cf::async {
		2378	$Coro::current->{desc} = "map player save";
1642	$_->contr->save for $self->players;	2379	$_->contr->save for $self->players;
1643	};	2380	};
		2381
		2382	cf::get_slot 0.02;
1644		2383
1645	if ($uniq) {	2384	if ($uniq) {
1646	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2385	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1647	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2386	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1648	} else {	2387	} else {
1649	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2388	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1650	}	2389	}
1651	}	2390	}
1652		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
1653	sub swap_out {	2400	sub swap_out {
1654	my ($self) = @_;	2401	my ($self) = @_;
1655		2402
1656	# save first because save cedes
1657	$self->save;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
1660		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
1661	return if $self->players;	2407	return if $self->players;
1662	return if $self->in_memory != cf::MAP_IN_MEMORY;
1663	return if $self->{deny_save};
1664		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
1665	$self->clear;	2418	$self->clear;
1666	$self->in_memory (cf::MAP_SWAPPED);
1667	}	2419	}
1668		2420
1669	sub reset_at {	2421	sub reset_at {
1670	my ($self) = @_;	2422	my ($self) = @_;
1671		2423
1672	# TODO: safety, remove and allow resettable per-player maps	2424	# TODO: safety, remove and allow resettable per-player maps
1673	return 1e99 if $self->isa ("ext::map_per_player");#d#
1674	return 1e99 if $self->{deny_reset};	2425	return 1e99 if $self->{deny_reset};
1675		2426
1676	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2427	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1677	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2428	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1678		2429
…		…
1689	my ($self) = @_;	2440	my ($self) = @_;
1690		2441
1691	my $lock = cf::lock_acquire "map_data:$self->{path}";	2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2443
1693	return if $self->players;	2444	return if $self->players;
1694	return if $self->isa ("ext::map_per_player");#d#
1695		2445
1696	warn "resetting map ", $self->path;#d#	2446	cf::trace "resetting map ", $self->path, "\n";
1697		2447
1698	$self->in_memory (cf::MAP_SWAPPED);	2448	$self->state (cf::MAP_SWAPPED);
1699		2449
1700	# need to save uniques path	2450	# need to save uniques path
1701	unless ($self->{deny_save}) {	2451	unless ($self->{deny_save}) {
1702	my $uniq = $self->uniq_path; utf8::encode $uniq;	2452	my $uniq = $self->uniq_path; utf8::encode $uniq;
1703		2453
…		…
1705	if $uniq;	2455	if $uniq;
1706	}	2456	}
1707		2457
1708	delete $cf::MAP{$self->path};	2458	delete $cf::MAP{$self->path};
1709		2459
		2460	$self->deactivate;
		2461	$_->clear_links_to ($self) for values %cf::MAP;
1710	$self->clear;	2462	$self->clear;
1711
1712	$_->clear_links_to ($self) for values %cf::MAP;
1713		2463
1714	$self->unlink_save;	2464	$self->unlink_save;
1715	$self->destroy;	2465	$self->destroy;
1716	}	2466	}
1717		2467
1718	my $nuke_counter = "aaaa";	2468	my $nuke_counter = "aaaa";
1719		2469
1720	sub nuke {	2470	sub nuke {
1721	my ($self) = @_;	2471	my ($self) = @_;
1722		2472
		2473	{
		2474	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2475
1723	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
1724		2477
1725	$self->unlink_save;	2478	$self->unlink_save;
1726		2479
1727	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
1728	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
1729	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
1730	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
1731	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1732		2485
1733	$cf::MAP{$self->path} = $self;	2486	$cf::MAP{$self->path} = $self;
		2487	}
1734		2488
1735	$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	]
1736	}	2526	}
1737		2527
1738	=item cf::map::unique_maps	2528	=item cf::map::unique_maps
1739		2529
1740	Returns an arrayref of paths of all shared maps that have	2530	Returns an arrayref of paths of all shared maps that have
1741	instantiated unique items. May block.	2531	instantiated unique items. May block.
1742		2532
1743	=cut	2533	=cut
1744		2534
1745	sub unique_maps() {	2535	sub unique_maps() {
1746	my $files = aio_readdir $UNIQUEDIR	2536	[
1747	or return;	2537	map {
1748
1749	my @paths;
1750
1751	for (@$files) {
1752	utf8::decode $_;	2538	utf8::decode $_;
1753	next if /\.pst$/;	2539	s/\.map$//; # TODO future compatibility hack
1754	next unless /^$PATH_SEP/o;	2540	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1755		2541	? ()
1756	push @paths, cf::map::normalise $_;	2542	: normalise $_
		2543	} @{ aio_readdir $UNIQUEDIR or [] }
1757	}	2544	]
1758
1759	\@paths
1760	}	2545	}
1761		2546
1762	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	}
1763		2578
1764	=back	2579	=back
1765		2580
1766	=head3 cf::object	2581	=head3 cf::object
1767		2582
…		…
1771		2586
1772	=over 4	2587	=over 4
1773		2588
1774	=item $ob->inv_recursive	2589	=item $ob->inv_recursive
1775		2590
1776	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.
1777		2593
1778	=cut	2594	=cut
1779		2595
1780	sub inv_recursive_;	2596	sub inv_recursive_;
1781	sub inv_recursive_ {	2597	sub inv_recursive_ {
…		…
1784		2600
1785	sub inv_recursive {	2601	sub inv_recursive {
1786	inv_recursive_ inv $_[0]	2602	inv_recursive_ inv $_[0]
1787	}	2603	}
1788		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
1789	package cf;	2633	package cf;
1790		2634
1791	=back	2635	=back
1792		2636
1793	=head3 cf::object::player	2637	=head3 cf::object::player
…		…
1799	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>
1800	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
1801	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
1802		2646
1803	=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	};
1804		2662
1805	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
1806	# with dialog boxes.	2664	# with dialog boxes.
1807	#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
1808	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
…		…
1810		2668
1811	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2669	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1812		2670
1813	if ($self->{record_replies}) {	2671	if ($self->{record_replies}) {
1814	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2672	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2673
1815	} 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 {
1816	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
1817	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2684	}
1818	}	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 (@_);
1819	}	2696	}
1820		2697
1821	=item $player_object->may ("access")	2698	=item $player_object->may ("access")
1822		2699
1823	Returns wether the given player is authorized to access resource "access"	2700	Returns wether the given player is authorized to access resource "access"
…		…
1836		2713
1837	=item $player_object->enter_link	2714	=item $player_object->enter_link
1838		2715
1839	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}>).
1840		2717
1841	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.
1842	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.
1843		2722
1844	Will never block.	2723	Will never block.
1845		2724
1846	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
1847		2726
…		…
1867	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
1868	my ($self) = @_;	2747	my ($self) = @_;
1869		2748
1870	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
1871		2750
		2751	++$self->{_link_recursion};
		2752
1872	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
1873		2754
1874	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1875	if $self->map;	2756	if $self->map && $self->map->{path} ne "{link}";
1876		2757
1877	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1878	}	2759	}
1879		2760
1880	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
1881	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
		2763
		2764	return unless $self->contr->active;
1882		2765
1883	my $link_pos = delete $self->{_link_pos};	2766	my $link_pos = delete $self->{_link_pos};
1884		2767
1885	unless ($map) {	2768	unless ($map) {
1886	# restore original map position	2769	# restore original map position
…		…
1897	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
1898	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
1899		2782
1900	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
1901	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
1902	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
1903		2786
1904	$map->load;	2787	$map->load;
1905	$map->load_diag;
1906		2788
1907	return unless $self->contr->active;	2789	return unless $self->contr->active;
1908	$self->activate_recursive;
1909		2790
1910	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1911	$self->enter_map ($map, $x, $y);	2792	if ($self->enter_map ($map, $x, $y)) {
1912	}	2793	# entering was successful
1913		2794	delete $self->{_link_recursion};
1914	cf::player->attach (	2795	# only activate afterwards, to support waiting in hooks
1915	on_logout => sub {	2796	$self->activate_recursive;
1916	my ($pl) = @_;
1917
1918	# abort map switching before logout
1919	if ($pl->ob->{_link_pos}) {
1920	cf::sync_job {
1921	$pl->ob->leave_link
1922	};
1923	}
1924	},	2797	}
1925	on_login => sub {
1926	my ($pl) = @_;
1927		2798
1928	# try to abort aborted map switching on player login :)	2799	}
1929	# should happen only on crashes
1930	if ($pl->ob->{_link_pos}) {
1931	$pl->ob->enter_link;
1932	(async {
1933	$pl->ob->reply (undef,
1934	"There was an internal problem at your last logout, "
1935	. "the server will try to bring you to your intended destination in a second.",
1936	cf::NDI_RED);
1937	# we need this sleep as the login has a concurrent enter_exit running
1938	# and this sleep increases chances of the player not ending up in scorn
1939	Coro::Timer::sleep 1;
1940	$pl->ob->leave_link;
1941	})->prio (2);
1942	}
1943	},
1944	);
1945		2800
1946	=item $player_object->goto ($path, $x, $y)	2801	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1947		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
1948	=cut	2812	=cut
		2813
		2814	our $GOTOGEN;
1949		2815
1950	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
1951	my ($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;
1952		2827
1953	$self->enter_link;	2828	$self->enter_link;
1954		2829
1955	(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
1956	my $map = eval {	2852	my $map = eval {
1957	my $map = cf::map::find $path;	2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2854
		2855	if ($map) {
1958	$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
1959	$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 $@;
1960	} or	2868	}
1961	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1962		2869
		2870	if ($gen == $self->{_goto_generation}) {
		2871	delete $self->{_goto_generation};
1963	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
		2873	}
		2874
		2875	$done->($self) if $done;
1964	})->prio (1);	2876	})->prio (1);
1965	}	2877	}
1966		2878
1967	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
1968		2880
…		…
1988	}	2900	}
1989		2901
1990	sub prepare_random_map {	2902	sub prepare_random_map {
1991	my ($exit) = @_;	2903	my ($exit) = @_;
1992		2904
1993	my $guard = cf::lock_acquire "exit_prepare:$exit";
1994
1995	# all this does is basically replace the /! path by	2905	# all this does is basically replace the /! path by
1996	# a new random map path (?random/...) with a seed	2906	# a new random map path (?random/...) with a seed
1997	# that depends on the exit object	2907	# that depends on the exit object
1998		2908
1999	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
…		…
2001	if ($exit->map) {	2911	if ($exit->map) {
2002	$rmp->{region} = $exit->region->name;	2912	$rmp->{region} = $exit->region->name;
2003	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
2004	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
2005	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
2006	}	2918	}
2007		2919
2008	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
2009		2921
2010	my $data = cf::to_json $rmp;	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2011	my $md5 = Digest::MD5::md5_hex $data;	2923	my $md5 = Digest::MD5::md5_hex $data;
2012	my $meta = "$RANDOMDIR/$md5.meta";	2924	my $meta = "$RANDOMDIR/$md5.meta";
2013		2925
2014	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2015	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
2016	undef $fh;	2928	undef $fh;
2017	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
2018		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
2019	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
2020	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
2021	}	2937	}
2022	}	2938	}
2023		2939
2024	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
2025	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
2026		2942
2027	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
2028		2944
2029	if ($exit->slaying eq "/!") {
2030	#TODO: this should de-fi-ni-te-ly not be a sync-job
2031	# the problem is that $exit might not survive long enough
2032	# so it needs to be done right now, right here
2033	cf::sync_job { prepare_random_map $exit };
2034	}
2035
2036	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2037	my $hp = $exit->stats->hp;
2038	my $sp = $exit->stats->sp;
2039
2040	$self->enter_link;	2945	$self->enter_link;
2041		2946
2042	(async {	2947	(async {
2043	$self->deactivate_recursive; # just to be sure	2948	$Coro::current->{desc} = "enter_exit";
		2949
2044	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
2045	$self->goto ($slaying, $hp, $sp);	2980	$self->goto ($map, $x, $y);
2046		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
2047	1;	2986	1
2048	}) {	2987	}) {
2049	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
2050	. "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. "
2051	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
2052	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
2053		2992
2054	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
2055	$self->leave_link;	2994	$self->leave_link;
2056	}	2995	}
2057	})->prio (1);	2996	})->prio (1);
2058	}	2997	}
2059		2998
…		…
2073		3012
2074	utf8::encode $text;	3013	utf8::encode $text;
2075	$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);
2076	}	3015	}
2077		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
2078	=item $client->ext_event ($type, %msg)	3204	=item $client->ext_msg ($type, @msg)
2079		3205
2080	Sends an exti event to the client.	3206	Sends an ext event to the client.
2081		3207
2082	=cut	3208	=cut
2083		3209
2084	sub cf::client::ext_event($$%) {	3210	sub cf::client::ext_msg($$@) {
2085	my ($self, $type, %msg) = @_;	3211	my ($self, $type, @msg) = @_;
2086		3212
		3213	if ($self->extcmd == 2) {
		3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3215	} elsif ($self->extcmd == 1) { # TODO: remove
2087	$msg{msgtype} = "event_$type";	3216	push @msg, msgtype => "event_$type";
2088	$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]));
2089	}	3233	}
2090		3234
2091	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2092		3236
2093	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
2094	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>,
2095	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>.
2096		3240
2097	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
2098	reliable at some point in the future.	3242	become reliable at some point in the future.
2099		3243
2100	=cut	3244	=cut
2101		3245
2102	sub cf::client::query {	3246	sub cf::client::query {
2103	my ($self, $flags, $text, $cb) = @_;	3247	my ($self, $flags, $text, $cb) = @_;
…		…
2111	utf8::encode $text;	3255	utf8::encode $text;
2112	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3256	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2113		3257
2114	$self->send_packet ($self->{query_queue}[0][0])	3258	$self->send_packet ($self->{query_queue}[0][0])
2115	if @{ $self->{query_queue} } == 1;	3259	if @{ $self->{query_queue} } == 1;
		3260
		3261	1
2116	}	3262	}
2117		3263
2118	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	},
2119	on_reply => sub {	3270	on_reply => sub {
2120	my ($ns, $msg) = @_;	3271	my ($ns, $msg) = @_;
2121		3272
2122	# this weird shuffling is so that direct followup queries	3273	# this weird shuffling is so that direct followup queries
2123	# get handled first	3274	# get handled first
…		…
2135	} else {	3286	} else {
2136	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3287	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2137	}	3288	}
2138	}	3289	}
2139	},	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	},
2140	);	3314	);
2141		3315
2142	=item $client->async (\&cb)	3316	=item $client->async (\&cb)
2143		3317
2144	Create a new coroutine, running the specified callback. The coroutine will	3318	Create a new coroutine, running the specified callback. The coroutine will
…		…
2160		3334
2161	$coro	3335	$coro
2162	}	3336	}
2163		3337
2164	cf::client->attach (	3338	cf::client->attach (
2165	on_destroy => sub {	3339	on_client_destroy => sub {
2166	my ($ns) = @_;	3340	my ($ns) = @_;
2167		3341
2168	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2169	},	3343	},
2170	);	3344	);
…		…
2185	our $safe = new Safe "safe";	3359	our $safe = new Safe "safe";
2186	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2187		3361
2188	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2189		3363
2190	$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	));
2191		3369
2192	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
2193		3371
2194	=pod	3372	=pod
2195		3373
2196	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2197		3375
2198	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
2199	cf::object::player player	3381	cf::object::player
2200	cf::player peaceful	3382	player
2201	cf::map trigger	3383
		3384	cf::player
		3385	peaceful
		3386
		3387	cf::map
		3388	trigger
2202		3389
2203	=cut	3390	=cut
2204		3391
2205	for (	3392	for (
2206	["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)],
2207	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2208	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2209	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2210	) {	3399	) {
2211	no strict 'refs';
2212	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2213	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2214	for @funs;	3402	for @funs;
2215	}	3403	}
2216		3404
…		…
2231		3419
2232	my $qcode = $code;	3420	my $qcode = $code;
2233	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2234	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2235		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2236	local $_;	3427	local $_;
2237	local @safe::cf::_safe_eval_args = values %vars;
2238		3428
2239	my $eval =	3429	my $eval =
2240	"do {\n"	3430	"do {\n"
2241	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2242	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2243	. $code	3433	. $code
2244	. "\n}"	3434	. "\n}"
2245	;	3435	;
2246		3436
		3437	if ($CFG{safe_eval}) {
2247	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
2248	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2249	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	}
2250		3446
2251	if ($@) {	3447	if ($@) {
2252	warn "$@";	3448	warn "$@",
2253	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
2254	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
2255	}	3451	}
2256		3452
2257	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
2258	}	3454	}
2259		3455
…		…
2273	=cut	3469	=cut
2274		3470
2275	sub register_script_function {	3471	sub register_script_function {
2276	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
2277		3473
2278	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
2279	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
2280	}	3476	}
2281		3477
2282	=back	3478	=back
2283		3479
2284	=cut	3480	=cut
2285
2286	#############################################################################
2287
2288	=head2 EXTENSION DATABASE SUPPORT
2289
2290	Crossfire maintains a very simple database for extension use. It can
2291	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2292	convert to/from binary).
2293
2294	The parameter C<$family> should best start with the name of the extension
2295	using it, it should be unique.
2296
2297	=over 4
2298
2299	=item $value = cf::db_get $family => $key
2300
2301	Returns a single value from the database.
2302
2303	=item cf::db_put $family => $key => $value
2304
2305	Stores the given C<$value> in the family.
2306
2307	=cut
2308
2309	our $DB;
2310
2311	sub db_init {
2312	unless ($DB) {
2313	$DB = BDB::db_create $DB_ENV;
2314
2315	cf::sync_job {
2316	eval {
2317	$DB->set_flags (BDB::CHKSUM);
2318
2319	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2320	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2321	cf::cleanup "db_open(db): $!" if $!;
2322	};
2323	cf::cleanup "db_open(db): $@" if $@;
2324	};
2325	}
2326	}
2327
2328	sub db_get($$) {
2329	my $key = "$_[0]/$_[1]";
2330
2331	cf::sync_job {
2332	BDB::db_get $DB, undef, $key, my $data;
2333
2334	$! ? ()
2335	: $data
2336	}
2337	}
2338
2339	sub db_put($$$) {
2340	BDB::dbreq_pri 4;
2341	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2342	}
2343
2344	=item cf::cache $id => [$paths...], $processversion => $process
2345
2346	Generic caching function that returns the value of the resource $id,
2347	caching and regenerating as required.
2348
2349	This function can block.
2350
2351	=cut
2352
2353	sub cache {
2354	my ($id, $src, $processversion, $process) = @_;
2355
2356	my $meta =
2357	join "\x00",
2358	$processversion,
2359	map {
2360	aio_stat $_
2361	and Carp::croak "$_: $!";
2362
2363	($_, (stat _)[7,9])
2364	} @$src;
2365
2366	my $dbmeta = db_get cache => "$id/meta";
2367	if ($dbmeta ne $meta) {
2368	# changed, we may need to process
2369
2370	my @data;
2371	my $md5;
2372
2373	for (0 .. $#$src) {
2374	0 <= aio_load $src->[$_], $data[$_]
2375	or Carp::croak "$src->[$_]: $!";
2376	}
2377
2378	# if processing is expensive, check
2379	# checksum first
2380	if (1) {
2381	$md5 =
2382	join "\x00",
2383	$processversion,
2384	map {
2385	Coro::cede;
2386	($src->[$_], Digest::MD5::md5_hex $data[$_])
2387	} 0.. $#$src;
2388
2389
2390	my $dbmd5 = db_get cache => "$id/md5";
2391	if ($dbmd5 eq $md5) {
2392	db_put cache => "$id/meta", $meta;
2393
2394	return db_get cache => "$id/data";
2395	}
2396	}
2397
2398	my $t1 = Time::HiRes::time;
2399	my $data = $process->(\@data);
2400	my $t2 = Time::HiRes::time;
2401
2402	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2403
2404	db_put cache => "$id/data", $data;
2405	db_put cache => "$id/md5" , $md5;
2406	db_put cache => "$id/meta", $meta;
2407
2408	return $data;
2409	}
2410
2411	db_get cache => "$id/data"
2412	}
2413
2414	=item fork_call { }, $args
2415
2416	Executes the given code block with the given arguments in a seperate
2417	process, returning the results. Everything must be serialisable with
2418	Coro::Storable. May, of course, block. Note that the executed sub may
2419	never block itself or use any form of Event handling.
2420
2421	=cut
2422
2423	sub fork_call(&@) {
2424	my ($cb, @args) = @_;
2425
2426	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2427	# or die "socketpair: $!";
2428	pipe my $fh1, my $fh2
2429	or die "pipe: $!";
2430
2431	if (my $pid = fork) {
2432	close $fh2;
2433
2434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2435	$res = Coro::Storable::thaw $res;
2436
2437	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2438
2439	die $$res unless "ARRAY" eq ref $res;
2440
2441	return wantarray ? @$res : $res->[-1];
2442	} else {
2443	reset_signals;
2444	local $SIG{__WARN__};
2445	local $SIG{__DIE__};
2446	eval {
2447	close $fh1;
2448
2449	my @res = eval { $cb->(@args) };
2450	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2451	};
2452
2453	warn $@ if $@;
2454	_exit 0;
2455	}
2456	}
2457
2458
2459		3481
2460	#############################################################################	3482	#############################################################################
2461	# the server's init and main functions	3483	# the server's init and main functions
2462		3484
2463	sub load_facedata($) {	3485	sub load_facedata($) {
2464	my ($path) = @_;	3486	my ($path) = @_;
2465		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
2466	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
2467		3495
2468	my $facedata;	3496	my $facedata = decode_storable load_file $path;
2469	0 < aio_load $path, $facedata
2470	or die "$path: $!";
2471
2472	$facedata = Coro::Storable::thaw $facedata;
2473		3497
2474	$facedata->{version} == 2	3498	$facedata->{version} == 2
2475	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
2476		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
2477	{	3510	{
2478	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
2479		3512
2480	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
2481	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
2482	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3516	cf::face::set_visibility $idx, $info->{visibility};
		3517	cf::face::set_magicmap $idx, $info->{magicmap};
2483	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2484	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2485	Coro::cede;	3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3521
		3522	cf::cede_to_tick;
2486	}	3523	}
2487		3524
2488	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
2489	next unless $info->{smooth};	3526	next unless $info->{smooth};
		3527
2490	my $idx = cf::face::find $face	3528	my $idx = cf::face::find $face
2491	or next;	3529	or next;
		3530
2492	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
		3532	cf::face::set_smooth $idx, $smooth;
2493	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2494	} else {	3534	} else {
2495	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
2496	}	3536	}
2497	Coro::cede;	3537
		3538	cf::cede_to_tick;
2498	}	3539	}
2499	}	3540	}
2500		3541
2501	{	3542	{
2502	my $anims = $facedata->{animinfo};	3543	my $anims = $facedata->{animinfo};
2503		3544
2504	while (my ($anim, $info) = each %$anims) {	3545	while (my ($anim, $info) = each %$anims) {
2505	cf::anim::set $anim, $info->{frames}, $info->{facings};	3546	cf::anim::set $anim, $info->{frames}, $info->{facings};
2506	Coro::cede;	3547	cf::cede_to_tick;
2507	}	3548	}
2508		3549
2509	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
2510	}	3551	}
2511		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} = $info; # unused
		3566	}
		3567
		3568	cf::cede_to_tick;
		3569	}
		3570	}
		3571
		3572	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3573
2512	1	3574	1
2513	}	3575	}
2514		3576
		3577	register_exticmd fx_want => sub {
		3578	my ($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	$status
		3593	}
		3594
2515	sub reload_regions {	3595	sub reload_regions {
		3596	# HACK to clear player env face cache, we need some signal framework
		3597	# for this (global event?)
		3598	%ext::player_env::MUSIC_FACE_CACHE = ();
		3599
2516	load_resource_file "$MAPDIR/regions"	3600	load_resource_file "$MAPDIR/regions"
2517	or die "unable to load regions file\n";	3601	or die "unable to load regions file\n";
		3602
		3603	for (cf::region::list) {
		3604	$_->{match} = qr/$_->{match}/
		3605	if exists $_->{match};
		3606	}
2518	}	3607	}
2519		3608
2520	sub reload_facedata {	3609	sub reload_facedata {
2521	load_facedata "$DATADIR/facedata"	3610	load_facedata "$DATADIR/facedata"
2522	or die "unable to load facedata\n";	3611	or die "unable to load facedata\n";
…		…
2530	sub reload_treasures {	3619	sub reload_treasures {
2531	load_resource_file "$DATADIR/treasures"	3620	load_resource_file "$DATADIR/treasures"
2532	or die "unable to load treasurelists\n";	3621	or die "unable to load treasurelists\n";
2533	}	3622	}
2534		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
2535	sub reload_resources {	3644	sub reload_resources {
2536	warn "reloading resource files...\n";	3645	trace "reloading resource files...\n";
2537		3646
		3647	reload_exp_table;
		3648	reload_materials;
		3649	reload_facedata;
		3650	reload_sound;
		3651	reload_archetypes;
2538	reload_regions;	3652	reload_regions;
2539	reload_facedata;
2540	reload_archetypes;
2541	reload_treasures;	3653	reload_treasures;
2542		3654
2543	warn "finished reloading resource files\n";	3655	trace "finished reloading resource files\n";
2544	}	3656	}
2545		3657
2546	sub init {	3658	sub reload_config {
2547	reload_resources;	3659	trace "reloading config file...\n";
2548	}
2549		3660
2550	sub cfg_load {	3661	my $config = load_file "$CONFDIR/config";
2551	open my $fh, "<:utf8", "$CONFDIR/config"	3662	utf8::decode $config;
2552	or return;	3663	*CFG = decode_yaml $config;
2553		3664
2554	local $/;
2555	*CFG = YAML::Syck::Load <$fh>;
2556
2557	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2558		3666
2559	$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};
2560	$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};
2561		3669
2562	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
2566	};	3674	};
2567	warn $@ if $@;	3675	warn $@ if $@;
2568	}	3676	}
2569	}	3677	}
2570		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
2571	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
2572	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
2573	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
2574	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#
2575	(async {	3720	(async {
2576	Event::one_event;	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3722	EV::loop EV::LOOP_ONESHOT;
2577	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
2578	};	3724	};
2579		3725
2580	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;
2581	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
2582	load_extensions;	3749	load_extensions;
2583		3750
2584	$TICK_WATCHER->start;	3751	utime time, time, $RUNTIMEFILE;
2585	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;
2586	}	3768	}
2587		3769
2588	#############################################################################	3770	#############################################################################
2589	# initialisation and cleanup	3771	# initialisation and cleanup
2590		3772
2591	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
2592	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
2593	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
2594	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2595	reentrant => 0,
2596	data => WF_AUTOCANCEL,
2597	signal => $signal,
2598	prio => 0,
2599	cb => sub {
2600	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
2601	},
2602	);	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
2603	}	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 };
2604	}	3869	}
2605		3870
2606	sub emergency_save() {	3871	sub emergency_save() {
2607	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
2608		3873
2609	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;
2610		3880
2611	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
2612	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
2613	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
2614	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
2615	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
2616	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
2617	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
2618	$pl->valid or next;	3890	$pl->valid or next;
		3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2619	$pl->save;	3892	$pl->save;
2620	}	3893	}
2621	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
2622		3895
2623	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";
2624	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
2625	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
2626	$map->valid or next;	3901	$map->valid or next;
2627	$map->save;	3902	$map->save;
2628	}	3903	}
2629	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
2630		3905
2631	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";
2632	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
2633	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 $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
2634	};	3934	};
2635		3935
2636	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
2637	}	3937	}
2638		3938
2639	sub post_cleanup {	3939	sub post_cleanup {
2640	my ($make_core) = @_;	3940	my ($make_core) = @_;
2641		3941
		3942	IO::AIO::flush;
		3943
2642	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
2643	if $make_core;	3945	if $make_core;
		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	}
2644	}	3974	}
2645		3975
2646	sub do_reload_perl() {	3976	sub do_reload_perl() {
2647	# can/must only be called in main	3977	# can/must only be called in main
2648	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
2649	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
2650	return;	3980	return;
2651	}	3981	}
2652		3982
2653	warn "reloading...";	3983	return if $RELOAD++;
2654		3984
2655	warn "entering sync_job";	3985	my $t1 = AE::time;
2656		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
2657	cf::sync_job {	3993	cf::sync_job {
2658	cf::write_runtime; # external watchdog should not bark
2659	cf::emergency_save;	3994	#cf::emergency_save;
2660	cf::write_runtime; # external watchdog should not bark
2661		3995
2662	warn "syncing database to disk";
2663	BDB::db_env_txn_checkpoint $DB_ENV;
2664
2665	# if anything goes wrong in here, we should simply crash as we already saved
2666
2667	warn "cancelling all WF_AUTOCANCEL watchers";
2668	for (Event::all_watchers) {
2669	$_->cancel if $_->data & WF_AUTOCANCEL;
2670	}
2671
2672	warn "flushing outstanding aio requests";
2673	for (;;) {
2674	BDB::flush;
2675	IO::AIO::flush;
2676	Coro::cede;
2677	last unless IO::AIO::nreqs || BDB::nreqs;
2678	warn "iterate...";
2679	}
2680
2681	++$RELOAD;
2682
2683	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
2684	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
2685	%EXT_CORO = ();	3998	%EXT_CORO = ();
2686		3999
2687	warn "removing commands";	4000	trace "perl_reload: removing commands";
2688	%COMMAND = ();	4001	%COMMAND = ();
2689		4002
2690	warn "removing ext commands";	4003	trace "perl_reload: removing ext/exti commands";
2691	%EXTCMD = ();	4004	%EXTCMD = ();
		4005	%EXTICMD = ();
2692		4006
2693	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
2694	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
2695	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
2696		4010
2697	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
2698	eval {	4012	eval {
2699	$cb->($pkg);	4013	$cb->($pkg);
2700	1	4014	1
2701	} 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;
2702	}	4020	}
2703		4021
2704	warn "... nuking $pkg";
2705	Symbol::delete_package $pkg;
2706	}
2707
2708	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2709	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
2710	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2711		4025
2712	warn "... unloading $k";	4026	trace "... unloading $k";
2713	delete $INC{$k};	4027	delete $INC{$k};
2714		4028
2715	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
2716	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
2717		4031
2718	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
2719	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
2720	}	4037	}
2721		4038
2722	Symbol::delete_package $k;
2723	}
2724
2725	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
2726	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
2727	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);
2728		4042
2729	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
2730	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
2731	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2732		4046
2733	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
2734	# and global variables created in xs	4048	# and global variables created in xs
2735	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
2736		4050
2737	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
2738		4052
2739	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
2740	require cf;	4054	require cf;
2741	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
2742		4056
2743	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
2744	cf::cfg_load;	4058	cf::reload_config;
2745		4059
2746	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
2747	cf::load_extensions;	4061	cf::load_extensions;
2748		4062
		4063	if ($REATTACH_ON_RELOAD) {
2749	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
2750	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
2751	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
2752	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
2753	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
2754	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
2755		4071
2756	warn "leaving sync_job";	4072	cf::_post_init 1;
2757		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
2758	1	4076	1
2759	} or do {	4077	} or do {
2760	warn $@;	4078	error $@;
2761	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
2762	exit 1;	4080	};
		4081
		4082	--$RELOAD;
2763	};	4083	}
2764		4084
2765	warn "reloaded";	4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
2766	};	4087	};
2767		4088
2768	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
2769		4090
2770	sub reload_perl() {	4091	sub reload_perl() {
2771	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
2772	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
2773		4094
2774	$RELOAD_WATCHER ||= Event->timer (	4095	$RELOAD_WATCHER ||= cf::async {
2775	reentrant => 0,	4096	Coro::AIO::aio_wait cache_extensions;
2776	after => 0,	4097
2777	data => WF_AUTOCANCEL,	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2778	cb => sub {
2779	do_reload_perl;	4099	do_reload_perl;
2780	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
2781	},	4101	};
2782	);	4102	};
2783	}	4103	}
2784		4104
2785	register_command "reload" => sub {	4105	register_command "reload" => sub {
2786	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
2787		4107
2788	if ($who->flag (FLAG_WIZ)) {	4108	if ($who->flag (FLAG_WIZ)) {
2789	$who->message ("reloading server.");	4109	$who->message ("reloading server.");
		4110	async {
		4111	$Coro::current->{desc} = "perl_reload";
2790	async { reload_perl };	4112	reload_perl;
		4113	};
2791	}	4114	}
2792	};	4115	};
2793		4116
2794	unshift @INC, $LIBDIR;	4117	#############################################################################
2795		4118
2796	my $bug_warning = 0;	4119	my $bug_warning = 0;
2797		4120
2798	our @WAIT_FOR_TICK;
2799	our @WAIT_FOR_TICK_BEGIN;
2800
2801	sub wait_for_tick {	4121	sub wait_for_tick() {
2802	return unless $TICK_WATCHER->is_active;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2803	return if $Coro::current == $Coro::main;
2804		4123
2805	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
2806	push @WAIT_FOR_TICK, $signal;
2807	$signal->wait;
2808	}	4125	}
2809		4126
2810	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
2811	return unless $TICK_WATCHER->is_active;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2812	return if $Coro::current == $Coro::main;
2813		4129
2814	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
2815	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
2816	$signal->wait;	4132	$signal->wait;
2817	}	4133	}
2818		4134
2819	$TICK_WATCHER = Event->timer (	4135	sub tick {
2820	reentrant => 0,
2821	parked => 1,
2822	prio => 0,
2823	at => $NEXT_TICK || $TICK,
2824	data => WF_AUTOCANCEL,
2825	cb => sub {
2826	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
2827	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"
2828	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
2829	return;	4139	return;
2830	}	4140	}
2831		4141
2832	$NOW = Event::time;	4142	cf::one_tick; # one server iteration
2833		4143
2834	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2835		4145
2836	$RUNTIME += $TICK;
2837	$NEXT_TICK += $TICK;
2838
2839	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2840	$NEXT_RUNTIME_WRITE = $NOW + 10;	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2841	Coro::async_pool {	4148	Coro::async_pool {
		4149	$Coro::current->{desc} = "runtime saver";
2842	write_runtime	4150	write_runtime_sync
2843	or warn "ERROR: unable to write runtime file: $!";	4151	or error "ERROR: unable to write runtime file: $!";
2844	};
2845	}	4152	};
		4153	}
2846		4154
2847	# my $AFTER = Event::time;
2848	# warn $AFTER - $NOW;#d#
2849
2850	# if we are delayed by four ticks or more, skip them all
2851	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2852
2853	$TICK_WATCHER->at ($NEXT_TICK);
2854	$TICK_WATCHER->start;
2855
2856	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2857	$sig->send;	4156	$sig->send;
2858	}
2859	while (my $sig = shift @WAIT_FOR_TICK) {
2860	$sig->send;
2861	}
2862
2863	_post_tick;
2864	},	4157	}
2865	);	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	}
2866		4171
2867	{	4172	{
2868	BDB::max_poll_time $TICK * 0.1;	4173	# configure BDB
2869	$BDB_POLL_WATCHER = Event->io (	4174
2870	reentrant => 0,
2871	fd => BDB::poll_fileno,
2872	poll => 'r',
2873	prio => 0,
2874	data => WF_AUTOCANCEL,
2875	cb => \&BDB::poll_cb,
2876	);
2877	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
2878		4176	BDB::max_poll_reqs $TICK * 0.1;
2879	BDB::set_sync_prepare {	4177	#$AnyEvent::BDB::WATCHER->priority (1);
2880	my $status;
2881	my $current = $Coro::current;
2882	(
2883	sub {
2884	$status = $!;
2885	$current->ready; undef $current;
2886	},
2887	sub {
2888	Coro::schedule while defined $current;
2889	$! = $status;
2890	},
2891	)
2892	};
2893		4178
2894	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
2895	$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);
2896		4186
2897	cf::sync_job {	4187	cf::sync_job {
2898	eval {	4188	eval {
2899	BDB::db_env_open	4189	BDB::db_env_open
2900	$DB_ENV,	4190	$DB_ENV,
…		…
2902	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
2903	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4193	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2904	0666;	4194	0666;
2905		4195
2906	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4196	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2907
2908	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2909	$DB_ENV->set_lk_detect;
2910	};	4197	};
2911		4198
2912	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
2913	};	4200	};
2914	}	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	};
2915	}	4212	}
2916		4213
2917	{	4214	{
		4215	# configure IO::AIO
		4216
2918	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
2919
2920	undef $Coro::AIO::WATCHER;
2921	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
2922	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
2923	reentrant => 0,
2924	data => WF_AUTOCANCEL,
2925	fd => IO::AIO::poll_fileno,
2926	poll => 'r',
2927	prio => 6,
2928	cb => \&IO::AIO::poll_cb,
2929	);
2930	}	4220	}
2931		4221
2932	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
2933		4224
2934	sub _log_backtrace {	4225	sub _log_backtrace {
2935	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
2936		4227
2937	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
2938		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2939	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
2940	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
2941	++$_log_backtrace;	4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
2942	async {	4238	async {
		4239	$Coro::current->{desc} = "abt $msg";
		4240
2943	my @bt = fork_call {	4241	my @bt = fork_call {
2944	@addr = map { sprintf "%x", $_ } @addr;	4242	@addr = map { sprintf "%x", $_ } @addr;
2945	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4243	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2946	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4244	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2947	or die "addr2line: $!";	4245	or die "addr2line: $!";
…		…
2955	}	4253	}
2956		4254
2957	@funcs	4255	@funcs
2958	};	4256	};
2959		4257
2960	LOG llevInfo, "[ABT] $msg\n";	4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
2961	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
2962	--$_log_backtrace;	4261	--$_log_backtrace;
2963	};	4262	};
2964	} else {	4263	} else {
2965	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
2966	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2967	}	4266	}
2968	}	4267	}
2969		4268
2970	# load additional modules	4269	# load additional modules
2971	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
2972		4272
2973	END { cf::emergency_save }	4273	END { cf::emergency_save }
2974		4274
2975	1	4275	1
2976		4276

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