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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.279 by root, Mon Jun 11 22:16:53 2007 UTC vs.
Revision 1.597 by root, Sun Nov 11 02:14:37 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 AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;	63	use Time::HiRes;
32	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
33		68
34	# configure various modules to our taste	69	# configure various modules to our taste
35	#	70	#
36	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	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	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		79
40	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
41		81	$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		82
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
48		86
49	our %COMMAND = ();	87	our %COMMAND = ();
50	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
51		89
52	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
		93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
56		97
57	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
59		102
60	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
61	our $DATADIR = datadir;	105	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
65	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
		116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
71		126
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	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	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	129	our $NEXT_TICK;
		130	our $USE_FSYNC = 1; # use fsync to write maps - default on
		131
		132	our $BDB_DEADLOCK_WATCHER;
		133	our $BDB_CHECKPOINT_WATCHER;
		134	our $BDB_TRICKLE_WATCHER;
		135	our $DB_ENV;
		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
		139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		141
		142	our $UPTIME; $UPTIME ||= time;
		143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
77	our $NOW;	145	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		146
80	our $BDB_POLL_WATCHER;	147	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	148	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	149	our $LINK_MAP; # the special {link} map, which is always available
91		150
92	# used to convert map paths into valid unix filenames by replacing / by ∕	151	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		153
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
98		166
99	binmode STDOUT;	167	binmode STDOUT;
100	binmode STDERR;	168	binmode STDERR;
101		169
102	# read virtual server time, if available	170	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
107	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
108		178
109	mkdir $_	179	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		181
112	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
113		183
114	sub cf::map::normalise;	184	sub cf::map::normalise;
115		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
116	#############################################################################	190	#############################################################################
117		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
118	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
119		204
120	=over 4	205	=over 4
121		206
122	=item $cf::UPTIME	207	=item $cf::UPTIME
123		208
124	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
125		225
126	=item $cf::RUNTIME	226	=item $cf::RUNTIME
127		227
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	229	every server tick.
130		230
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		234
135	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
138	database environment.	238	database environment.
139		239
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	240	=item $cf::LOADAVG
149		241
150	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
155		247
156	The raw value load value from the last tick.	248	The raw value load value from the last tick.
157		249
158	=item %cf::CFG	250	=item %cf::CFG
159		251
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	253	from wherever your confdir points to.
162		254
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		256
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	258	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		260
		261	Note that cf::Wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
169	=back	290	=back
170		291
171	=cut	292	=cut
172		293
173	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	301	my $msg = join "", @_;
176		302
177	$msg .= "\n"	303	$msg .= "\n"
178	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
179		305
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		307
182	utf8::encode $msg;
183	LOG llevError, $msg;	308	LOG llevWarn, $msg;
184	};	309	};
185	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
186		324
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	335	for my $pkg (qw(
198	cf::global cf::attachable	336	cf::global cf::attachable
199	cf::object cf::object::player	337	cf::object cf::object::player
200	cf::client cf::player	338	cf::client cf::player
201	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
202	cf::map cf::party cf::region	341	cf::party cf::region
203	)) {	342	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	344	}
207		345
208	$Event::DIED = sub {	346	$EV::DIED = sub {
209	warn "error in event callback: @_";	347	warn "error in event callback: $@";
210	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
211		356
212	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
213		358
214	=over 4	359	=over 4
215		360
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	380	$d
236	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
237	}	382	}
238		383
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
240		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
241	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
242		437
243	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
244		439
245	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
246		441
247	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
248		443
		444	=cut
		445
		446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		447
		448	sub encode_json($) { $json_coder->encode ($_[0]) }
		449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
249	=item cf::lock_wait $string	513	=item cf::lock_wait $string
250		514
251	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
252		516
253	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
254		518
255	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
258	returned.	522	returned.
259		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
260	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
262		529
263	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
264		531
265	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
266		533
267	=cut	534	=cut
268		535
269	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
270		537
271	sub lock_wait($) {	538	sub lock_wait($) {
272	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	540	}
280		541
281	sub lock_acquire($) {	542	sub lock_acquire($) {
282	my ($key) = @_;	543	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	544	}
294		545
295	sub lock_active($) {	546	sub lock_active($) {
296	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	548	}
300		549
301	sub freeze_mainloop {	550	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
303		552
304	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
306	};	623	}
307	$TICK_WATCHER->stop;	624	};
308	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
309	}	639	}
310		640
311	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
312		642
313	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		648
319	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
320		650
321	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
322		652
323	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
326		657
327	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
330	fast or be very important.	661	fast or be very important.
…		…
332	=cut	663	=cut
333		664
334	sub sync_job(&) {	665	sub sync_job(&) {
335	my ($job) = @_;	666	my ($job) = @_;
336		667
337	if ($Coro::current == $Coro::main) {	668	if (in_main) {
338	my $time = Event::time;	669	my $time = AE::time;
339		670
340	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
342		673
343	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	675
345	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
346		677
347	my $busy = 1;	678	my $busy = 1;
348	my @res;	679	my @res;
349		680
350	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	683	@res = eval { $job->() };
352	warn $@ if $@;	684	error $@ if $@;
353	undef $busy;	685	undef $busy;
354	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
355		687
356	while ($busy) {	688	while ($busy) {
357	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
358	}	693	}
		694	}
359		695
360	$time = Event::time - $time;	696	my $time = AE::time - $time;
361		697
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
366		699
367	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
368	} else {	701	} else {
369	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
370		703
…		…
390	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
391		724
392	$coro	725	$coro
393	}	726	}
394		727
395	sub write_runtime {	728	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		729
398	# first touch the runtime file to show we are still running:	730	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	731	process, returning the results. Everything must be serialisable with
		732	Coro::Storable. May, of course, block. Note that the executed sub may
		733	never block itself or use any form of event handling.
400		734
401	IO::AIO::aio_utime $runtime, undef, undef;	735	=cut
402		736
403	my $guard = cf::lock_acquire "write_runtime";	737	sub post_fork {
		738	reset_signals;
		739	}
404		740
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	741	sub fork_call(&@) {
406	or return;	742	my ($cb, @args) = @_;
407		743
408	my $value = $cf::RUNTIME + 90 + 10;	744	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	745	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	746	# TODO: investigate and fix (likely this will be rather laborious)
411		747
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	748	my @res = Coro::Util::fork_eval {
413	and return;	749	cf::post_fork;
		750	&$cb
		751	} @args;
414		752
415	# always fsync - this file is important	753	wantarray ? @res : $res[-1]
416	aio_fsync $fh	754	}
417	and return;
418		755
419	# touch it again to show we are up-to-date	756	sub objinfo {
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
		792	}
		793
		794	=item $value = cf::db_get $family => $key
		795
		796	Returns a single value from the environment database.
		797
		798	=item cf::db_put $family => $key => $value
		799
		800	Stores the given C<$value> in the family. It can currently store binary
		801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
		808	=cut
		809
		810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
		814	my ($name) = @_;
		815	my $db = BDB::db_create $DB_ENV;
		816
		817	eval {
		818	$db->set_flags (BDB::CHKSUM);
		819
		820	utf8::encode $name;
		821	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		822	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		823	cf::cleanup "db_open(db): $!" if $!;
		824	};
		825	cf::cleanup "db_open(db): $@" if $@;
		826
		827	$db
		828	}
		829
		830	our $DB;
		831
		832	sub db_init {
		833	$DB ||= db_table "db";
		834	}
		835
		836	sub db_get($$) {
		837	my $key = "$_[0]/$_[1]";
		838
		839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
		842	BDB::db_get $DB, undef, $key, my $data;
		843
		844	$! ? ()
		845	: $data
		846	}
		847
		848	sub db_put($$$) {
		849	BDB::dbreq_pri 4;
		850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		851	}
		852
		853	=item cf::cache $id => [$paths...], $processversion => $process
		854
		855	Generic caching function that returns the value of the resource $id,
		856	caching and regenerating as required.
		857
		858	This function can block.
		859
		860	=cut
		861
		862	sub cache {
		863	my ($id, $src, $processversion, $process) = @_;
		864
		865	my $meta =
		866	join "\x00",
		867	$processversion,
		868	map {
		869	aio_stat $_
		870	and Carp::croak "$_: $!";
		871
		872	($_, (stat _)[7,9])
		873	} @$src;
		874
		875	my $dbmeta = db_get cache => "$id/meta";
		876	if ($dbmeta ne $meta) {
		877	# changed, we may need to process
		878
		879	my @data;
		880	my $md5;
		881
		882	for (0 .. $#$src) {
		883	$data[$_] = load_file $src->[$_];
		884	}
		885
		886	# if processing is expensive, check
		887	# checksum first
		888	if (1) {
		889	$md5 =
		890	join "\x00",
		891	$processversion,
		892	map {
		893	cf::cede_to_tick;
		894	($src->[$_], Digest::MD5::md5_hex $data[$_])
		895	} 0.. $#$src;
		896
		897
		898	my $dbmd5 = db_get cache => "$id/md5";
		899	if ($dbmd5 eq $md5) {
		900	db_put cache => "$id/meta", $meta;
		901
		902	return db_get cache => "$id/data";
		903	}
		904	}
		905
		906	my $t1 = Time::HiRes::time;
		907	my $data = $process->(\@data);
		908	my $t2 = Time::HiRes::time;
		909
		910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		911
		912	db_put cache => "$id/data", $data;
		913	db_put cache => "$id/md5" , $md5;
		914	db_put cache => "$id/meta", $meta;
		915
		916	return $data;
		917	}
		918
		919	db_get cache => "$id/data"
431	}	920	}
432		921
433	=item cf::datalog type => key => value, ...	922	=item cf::datalog type => key => value, ...
434		923
435	Log a datalog packet of the given type with the given key-value pairs.	924	Log a datalog packet of the given type with the given key-value pairs.
436		925
437	=cut	926	=cut
438		927
439	sub datalog($@) {	928	sub datalog($@) {
440	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	931	}
443		932
444	=back	933	=back
445		934
446	=cut	935	=cut
447		936
448	#############################################################################	937	#############################################################################
449		938
450	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
451		940
452	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
455		944
456	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	947	Deliantra).
459		948
460	=over 4	949	=over 4
461		950
462	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
463		952
…		…
507	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
508		997
509	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
511		1000
512	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
514		1003
515	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
516		1005
517	=over 4	1006	=over 4
…		…
641		1130
642	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1133
645	} elsif (ref $type) {	1134	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
647		1136
648	} else {	1137	} else {
649	shift @arg;	1138	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
651	}	1140	}
652	}	1141	}
653	}	1142	}
654		1143
655	sub _object_attach {	1144	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
666	}	1155	}
667		1156
668	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
669	} else {	1158	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1160	}
672		1161
673	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
674	}	1163	}
675		1164
…		…
715	";	1204	";
716	die if $@;	1205	die if $@;
717	}	1206	}
718		1207
719	our $override;	1208	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1209	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1210
722	sub override {	1211	sub override {
723	$override = 1;	1212	$override = 1;
724	@invoke_results = ();	1213	@INVOKE_RESULTS = (@_);
725	}	1214	}
726		1215
727	sub do_invoke {	1216	sub do_invoke {
728	my $event = shift;	1217	my $event = shift;
729	my $callbacks = shift;	1218	my $callbacks = shift;
730		1219
731	@invoke_results = ();	1220	@INVOKE_RESULTS = ();
732		1221
733	local $override;	1222	local $override;
734		1223
735	for (@$callbacks) {	1224	for (@$callbacks) {
736	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
737		1226
738	if ($@) {	1227	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1229	override;
742	}	1230	}
743		1231
744	return 1 if $override;	1232	return 1 if $override;
745	}	1233	}
746		1234
747	0	1235	0
748	}	1236	}
749		1237
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1239
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1241
754	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
755		1243
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1244	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1245	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1246	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1247
760	=back	1248	=back
761		1249
762	=cut	1250	=cut
763		1251
764	#############################################################################	1252	#############################################################################
765	# object support	1253	# object support
		1254
		1255	sub _object_equal($$);
		1256	sub _object_equal($$) {
		1257	my ($a, $b) = @_;
		1258
		1259	return 0 unless (ref $a) eq (ref $b);
		1260
		1261	if ("HASH" eq ref $a) {
		1262	my @ka = keys %$a;
		1263	my @kb = keys %$b;
		1264
		1265	return 0 if @ka != @kb;
		1266
		1267	for (0 .. $#ka) {
		1268	return 0 unless $ka[$_] eq $kb[$_];
		1269	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1270	}
		1271
		1272	} elsif ("ARRAY" eq ref $a) {
		1273
		1274	return 0 if @$a != @$b;
		1275
		1276	for (0 .. $#$a) {
		1277	return 0 unless _object_equal $a->[$_], $b->[$_];
		1278	}
		1279
		1280	} elsif ($a ne $b) {
		1281	return 0;
		1282	}
		1283
		1284	1
		1285	}
		1286
		1287	our $SLOW_MERGES;#d#
		1288	sub _can_merge {
		1289	my ($ob1, $ob2) = @_;
		1290
		1291	++$SLOW_MERGES;#d#
		1292
		1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
		1295	}
766		1296
767	sub reattach {	1297	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1299	my ($obj) = @_;
770		1300
		1301	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1303
773	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
774		1305
775	@$registry = ();	1306	@$registry = ();
776		1307
…		…
781	for (@$attach) {	1312	for (@$attach) {
782	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
784	}	1315	}
785	} else {	1316	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1318	}
788	}	1319	}
789	}	1320	}
790		1321
791	cf::attachable->attach (	1322	cf::attachable->attach (
792	prio => -1000000,	1323	prio => -1000000,
793	on_instantiate => sub {	1324	on_instantiate => sub {
794	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
795		1326
796	$data = from_json $data;	1327	$data = decode_json $data;
797		1328
798	for (@$data) {	1329	for (@$data) {
799	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
800		1331
801	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1348	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
819		1350
820	sync_job {	1351	sync_job {
821	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
824		1357
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	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;
		1363	aio_fsync $fh;
		1364	}
829	close $fh;	1365	aio_close $fh;
830		1366
831	if (@$objs) {	1367	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	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;
		1374	aio_fsync $fh;
		1375	}
837	close $fh;	1376	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
839	}	1378	}
840	} else {	1379	} else {
841	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
842	}	1381	}
843		1382
844	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1387	} else {
846	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
847	}	1389	}
848	} else {	1390	} else {
849	aio_unlink $filename;	1391	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
851	}	1393	}
852	}	1394	};
853	}	1395	}
854		1396
855	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
857		1399
…		…
869	or return;	1411	or return;
870		1412
871	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
873	or return;	1415	or return;
		1416
874	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
875	}	1419	}
876		1420
		1421	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
879	return ($data, $av);	1426	($data, $av)
880	}	1427	}
		1428
		1429	=head2 COMMAND CALLBACKS
		1430
		1431	=over 4
		1432
		1433	=cut
881		1434
882	#############################################################################	1435	#############################################################################
883	# command handling &c	1436	# command handling &c
884		1437
885	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
886		1439
887	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
888	$name.	1441	$name.
889		1442
890	=cut	1443	=cut
…		…
896	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
897		1450
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1452	}
900		1453
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
902		1455
903	Register a callbackf ro execution when the client sends an extcmd packet.	1456	Register a callback for execution when the client sends an (synchronous)
		1457	extcmd packet. Ext commands will be processed in the order they are
		1458	received by the server, like other user commands. The first argument is
		1459	the logged-in player. Ext commands can only be processed after a player
		1460	has logged in successfully.
904		1461
905	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
906	called.
907		1463
908	=cut	1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
909		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
		1469	=item cf::register_exticmd $name => \&callback($ns,@args)
		1470
		1471	Register a callback for execution when the client sends an (asynchronous)
		1472	exticmd packet. Exti commands are processed by the server as soon as they
		1473	are received, i.e. out of order w.r.t. other commands. The first argument
		1474	is a client socket. Exti commands can be received anytime, even before
		1475	log-in.
		1476
		1477	The values will be sent back to the client.
		1478
		1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
910	sub register_extcmd {	1486	sub register_extcmd($$) {
911	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
912		1488
913	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
914	}	1490	}
915		1491
		1492	sub register_async_extcmd($$) {
		1493	my ($name, $cb) = @_;
		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
		1501	$EXTICMD{$name} = $cb;
		1502	}
		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
916	cf::player->attach (	1512	cf::player->attach (
917	on_command => sub {	1513	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
919		1515
920	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
921	or return;	1517	or return;
922		1518
…		…
927	cf::override;	1523	cf::override;
928	},	1524	},
929	on_extcmd => sub {	1525	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
931		1527
932	my $msg = eval { from_json $buf };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1529
934	if (ref $msg) {	1530	if (ref $msg) {
		1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1532
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1533	if (my $cb = $EXTACMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1534	$cb->(
937	$pl->ext_reply ($msg->{msgid}, %reply);	1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
		1546	@reply = $cb->($pl, @payload);
938	}	1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
939	}	1551	}
		1552
940	} else {	1553	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1555	}
943		1556
944	cf::override;	1557	cf::override;
945	},	1558	},
946	);	1559	);
947		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
948	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
949	cf::sync_job {	1590	cf::sync_job {
950	my %todo;	1591	my %todo;
951		1592
952	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
953	next unless -r $path;	1594	next unless -r $path;
…		…
971		1612
972	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1615
975	$ext{source} =	1616	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
977	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
978	. $source	1619	. $source
979	. "\n};\n1";	1620	. "\n};\n1";
980		1621
981	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
982	}	1623	}
983		1624
		1625	my $pass = 0;
984	my %done;	1626	my %done;
985	while (%todo) {	1627	while (%todo) {
986	my $progress;	1628	my $progress;
987		1629
		1630	++$pass;
		1631
		1632	ext:
988	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1635	next ext
991	unless exists $done{$_};	1636	unless exists $done{$_};
992	}	1637	}
993		1638
994	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1640
996	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
998	: "$v->{base}: extension inactive.\n";
999		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1656	if exists $v->{meta}{mandatory};
1001	warn $msg;	1657
1002	warn "mandatory extension failed to load, exiting.\n";	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1659	delete $todo{$k};
1004	}	1660	} else {
1005		1661	$done{$k} = delete $todo{$k};
1006	warn $msg;	1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1007	}	1667	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	$progress = 1;
1012	}	1668	}
1013		1669
1014	skip:	1670	unless ($progress) {
1015	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1016	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1017	}	1680	}
1018	};	1681	};
1019	}	1682	}
1020		1683
1021	#############################################################################	1684	#############################################################################
1022		1685
		1686	=back
		1687
1023	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1024		1689
1025	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1026		1691
1027	=cut	1692	=cut
1028		1693
1029	package cf::player;	1694	package cf::player;
1030		1695
1031	use Coro::AIO;	1696	use Coro::AIO;
1032		1697
1033	=head3 cf::player	1698	=head3 cf::player
1034		1699
1035	=over 4	1700	=over 4
		1701
		1702	=item cf::player::num_playing
		1703
		1704	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1705
		1706	=cut
		1707
		1708	sub num_playing {
		1709	scalar grep
		1710	$_->ob->map
		1711	&& !$_->hidden
		1712	&& !$_->ob->flag (cf::FLAG_WIZ),
		1713	cf::player::list
		1714	}
1036		1715
1037	=item cf::player::find $login	1716	=item cf::player::find $login
1038		1717
1039	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
1040		1719
…		…
1059		1738
1060	sub exists($) {	1739	sub exists($) {
1061	my ($login) = @_;	1740	my ($login) = @_;
1062		1741
1063	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1064	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1065	}	1744	}
1066		1745
1067	sub find($) {	1746	sub find($) {
1068	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1069	my $login = $_[0];	1748	my $login = $_[0];
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1758	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1759
1081	my $pl = load_pl path $login	1760	my $f = new_from_file cf::object::thawer path $login
1082	or return;	1761	or return;
		1762
		1763	my $pl = cf::player::load_pl $f
		1764	or return;
		1765
		1766	local $cf::PLAYER_LOADING{$login} = $pl;
		1767	$f->resolve_delayed_derefs;
1083	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1084	}	1769	}
1085	}	1770	}
1086	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
1087		1785
1088	sub save($) {	1786	sub save($) {
1089	my ($pl) = @_;	1787	my ($pl) = @_;
1090		1788
1091	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1096	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1097		1795
1098	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1100		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1803
1101	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1102	Coro::cede;	1805	cf::cede_to_tick;
1103	}	1806	}
1104		1807
1105	sub new($) {	1808	sub new($) {
1106	my ($login) = @_;	1809	my ($login) = @_;
1107		1810
…		…
1113	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1114		1817
1115	$self	1818	$self
1116	}	1819	}
1117		1820
		1821	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1822
		1823	=cut
		1824
		1825	sub send_msg {
		1826	my $ns = shift->ns
		1827	or return;
		1828	$ns->send_msg (@_);
		1829	}
		1830
1118	=item $pl->quit_character	1831	=item $pl->quit_character
1119		1832
1120	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1121	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1122		1835
…		…
1126	my ($pl) = @_;	1839	my ($pl) = @_;
1127		1840
1128	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1129		1842
1130	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1131	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1132		1845
1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1134	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1135	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1136	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1137		1854
1138	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1139	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1140	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1175	or return [];	1892	or return [];
1176		1893
1177	my @logins;	1894	my @logins;
1178		1895
1179	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
		1897	my $path = path $login;
		1898
		1899	# a .pst is a dead give-away for a valid player
		1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1183		1906
1184	utf8::decode $login;	1907	utf8::decode $login;
1185	push @logins, $login;	1908	push @logins, $login;
1186	}	1909	}
1187		1910
1188	\@logins	1911	\@logins
1189	}	1912	}
1190		1913
1191	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1192		1917
1193	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1194	player. May block.	1919	player. May block.
1195		1920
1196	=cut	1921	=cut
…		…
1214	}	1939	}
1215		1940
1216	\@paths	1941	\@paths
1217	}	1942	}
1218		1943
1219	=item $player->ext_reply ($msgid, %msg)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1220		1945
1221	Sends an ext reply to the player.	1946	Expand deliantra pod fragments into protocol xml.
1222		1947
1223	=cut
1224
1225	sub ext_reply($$%) {
1226	my ($self, $id, %msg) = @_;
1227
1228	$msg{msgid} = $id;
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}
1232
1233	=item $player->ext_event ($type, %msg)	1948	=item $player->ext_msg ($type, @msg)
1234		1949
1235	Sends an ext event to the client.	1950	Sends an ext event to the client.
1236		1951
1237	=cut	1952	=cut
1238		1953
1239	sub ext_event($$%) {	1954	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1955	my ($self, $type, @msg) = @_;
1241		1956
1242	$self->ns->ext_event ($type, %msg);	1957	$self->ns->ext_msg ($type, @msg);
1243	}	1958	}
1244		1959
1245	=head3 cf::region	1960	=head3 cf::region
1246		1961
1247	=over 4	1962	=over 4
…		…
1250		1965
1251	package cf::region;	1966	package cf::region;
1252		1967
1253	=item cf::region::find_by_path $path	1968	=item cf::region::find_by_path $path
1254		1969
1255	Tries to decuce the probable region for a map knowing only its path.	1970	Tries to decuce the likely region for a map knowing only its path.
1256		1971
1257	=cut	1972	=cut
1258		1973
1259	sub find_by_path($) {	1974	sub find_by_path($) {
1260	my ($path) = @_;	1975	my ($path) = @_;
1261		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
		1978
1262	my ($match, $specificity);	1979	my ($match, $specificity);
1263		1980
1264	for my $region (list) {	1981	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1982	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1983	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1984	if $region->specificity > $specificity;
1268	}	1985	}
1269	}	1986	}
1270		1987
…		…
1291	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1292	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1293		2010
1294	sub generate_random_map {	2011	sub generate_random_map {
1295	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1296	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1297	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1298	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1299	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1300	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1301	$rmp->{exit_on_final_map},
1302	$rmp->{xsize}, $rmp->{ysize},
1303	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1304	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1305	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1306	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1307	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1308	(cf::region::find $rmp->{region}), $rmp->{custom}
1309	)
1310	}	2017	}
1311		2018
1312	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1313		2020
1314	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1319		2026
1320	sub register {	2027	sub register {
1321	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1322	my $pkg = caller;	2029	my $pkg = caller;
1323		2030
1324	no strict;
1325	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1326		2032
1327	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1328	}	2034	}
1329		2035
1330	# also paths starting with '/'	2036	# also paths starting with '/'
1331	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1332		2038
1333	sub thawer_merge {	2039	sub thawer_merge {
1334	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1335		2041
1336	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1341	}	2047	}
1342		2048
1343	sub normalise {	2049	sub normalise {
1344	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1345		2051
1346	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1347		2053
1348	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1349		2055
1350	# map plan:	2056	# map plan:
1351	#	2057	#
…		…
1366	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1367	$path = "$base/$path";	2073	$path = "$base/$path";
1368	}	2074	}
1369		2075
1370	for ($path) {	2076	for ($path) {
1371	redo if s{//}{/};
1372	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1373	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1374	}	2079	}
1375		2080
1376	$path	2081	$path
…		…
1390	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1391	return $self;	2096	return $self;
1392	}	2097	}
1393	}	2098	}
1394		2099
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1396	()	2101	()
1397	}	2102	}
1398		2103
		2104	# may re-bless or do other evil things
1399	sub init {	2105	sub init {
1400	my ($self) = @_;	2106	my ($self) = @_;
1401		2107
1402	$self	2108	$self
1403	}	2109	}
…		…
1422		2128
1423	# the temporary/swap location	2129	# the temporary/swap location
1424	sub save_path {	2130	sub save_path {
1425	my ($self) = @_;	2131	my ($self) = @_;
1426		2132
1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428	"$TMPDIR/$path.map"	2134	"$TMPDIR/$path.map"
1429	}	2135	}
1430		2136
1431	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1432	sub uniq_path {	2138	sub uniq_path {
1433	my ($self) = @_;	2139	my ($self) = @_;
1434		2140
1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1437	}
1438
1439	# and all this just because we cannot iterate over
1440	# all maps in C++...
1441	sub change_all_map_light {
1442	my ($change) = @_;
1443
1444	$_->change_map_light ($change)
1445	for grep $_->outdoor, values %cf::MAP;
1446	}	2143	}
1447		2144
1448	sub decay_objects {	2145	sub decay_objects {
1449	my ($self) = @_;	2146	my ($self) = @_;
1450		2147
…		…
1463		2160
1464	sub load_header_from($) {	2161	sub load_header_from($) {
1465	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1466		2163
1467	utf8::encode $path;	2164	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	or return;	2166	or return;
1473		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1474	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1475		2175
1476	1	2176	1
1477	}	2177	}
1478		2178
		2179	# used to laod the header of an original map
1479	sub load_header_orig {	2180	sub load_header_orig {
1480	my ($self) = @_;	2181	my ($self) = @_;
1481		2182
1482	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1483	}	2184	}
1484		2185
		2186	# used to laod the header of an instantiated map
1485	sub load_header_temp {	2187	sub load_header_temp {
1486	my ($self) = @_;	2188	my ($self) = @_;
1487		2189
1488	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1489	}	2191	}
1490		2192
		2193	# called after loading the header from an instantiated map
1491	sub prepare_temp {	2194	sub prepare_temp {
1492	my ($self) = @_;	2195	my ($self) = @_;
1493		2196
1494	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1495	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1496	# safety	2199	# safety
1497	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1498	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1499	}	2202	}
1500		2203
		2204	# called after loading the header from an original map
1501	sub prepare_orig {	2205	sub prepare_orig {
1502	my ($self) = @_;	2206	my ($self) = @_;
1503		2207
1504	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1505	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1529		2233
1530	sub find;	2234	sub find;
1531	sub find {	2235	sub find {
1532	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1533		2237
		2238	cf::cede_to_tick;
		2239
1534	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1535		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1537		2244
1538	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1539	my $guard = cf::lock_acquire "map_find:$path";
1540	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1541	or return;	2247	or return;
1542		2248
1543	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1544		2250
…		…
1546	or return;	2252	or return;
1547		2253
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1551	$map->reset;	2259	$map->reset;
1552	undef $guard;
1553	return find $path;	2260	return find $path;
1554	}	2261	}
1555		2262
1556	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1557	}	2264	}
1558	}	2265	}
1559		2266
1560	sub pre_load { }	2267	sub pre_load { }
1561	sub post_load { }	2268	#sub post_load { } # XS
1562		2269
1563	sub load {	2270	sub load {
1564	my ($self) = @_;	2271	my ($self) = @_;
1565		2272
1566	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1567		2274
1568	my $path = $self->{path};	2275	my $path = $self->{path};
1569		2276
1570	{	2277	{
1571	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1572		2279
		2280	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
1574
1575	$self->in_memory (cf::MAP_LOADING);
1576		2282
1577	$self->alloc;	2283	$self->alloc;
1578		2284
1579	$self->pre_load;	2285	$self->pre_load;
1580	Coro::cede;	2286	cf::cede_to_tick;
1581		2287
1582	$self->_load_objects ($self->{load_path}, 1)	2288	if (exists $self->{load_path}) {
		2289	my $f = new_from_file cf::object::thawer $self->{load_path};
		2290	$f->skip_block;
		2291	$self->_load_objects ($f)
1583	or return;	2292	or return;
1584		2293
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1586	if delete $self->{load_original};	2295	if delete $self->{load_original};
1587		2296
1588	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	2298	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	2301	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1593	}	2306	}
1594	}
1595		2307
1596	Coro::cede;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
		2315
		2316	cf::cede_to_tick;
1597	# now do the right thing for maps	2317	# now do the right thing for maps
1598	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	2320	unless $self->difficulty;
1601	Coro::cede;	2321	cf::cede_to_tick;
1602		2322
1603	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	2324	$self->decay_objects;
1605	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
1606	$self->update_buttons;	2326	$self->update_buttons;
1607	Coro::cede;	2327	cf::cede_to_tick;
1608	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
1609	Coro::cede;
1610	$self->activate;
1611	}	2329	}
1612		2330
1613	$self->in_memory (cf::MAP_IN_MEMORY);	2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1614	}	2333	}
1615		2334
1616	$self->post_load;	2335	$self->post_load;
1617	}
1618		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
1619	sub customise_for {	2343	sub customise_for {
1620	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1621		2345
1622	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1623	if $self->per_player;	2347	if $self->per_player;
…		…
1626	# if $self->per_party;	2350	# if $self->per_party;
1627		2351
1628	$self	2352	$self
1629	}	2353	}
1630		2354
1631	# find and load all maps in the 3x3 area around a map
1632	sub load_diag {
1633	my ($map) = @_;
1634
1635	my @diag; # diagonal neighbours
1636
1637	for (0 .. 3) {
1638	my $neigh = $map->tile_path ($_)
1639	or next;
1640	$neigh = find $neigh, $map
1641	or next;
1642	$neigh->load;
1643
1644	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1645	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1646	}
1647
1648	for (@diag) {
1649	my $neigh = find @$_
1650	or next;
1651	$neigh->load;
1652	}
1653	}
1654
1655	sub find_sync {	2355	sub find_sync {
1656	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1657		2357
1658	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
1659	}	2363	}
1660		2364
1661	sub do_load_sync {	2365	sub do_load_sync {
1662	my ($map) = @_;	2366	my ($map) = @_;
1663		2367
1664	cf::sync_job { $map->load };	2368	# it's a bug to call this from the main context
		2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2370	if $Coro::current == $Coro::main;
		2371
		2372	$map->load;
1665	}	2373	}
1666		2374
1667	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1669		2377
1670	sub find_async {	2378	sub find_async {
1671	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1672		2380
1673	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1674		2382
1675	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1677	}	2385	}
1678		2386
1679	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1680	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1681	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2394	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2395	$map->load if $v;
		2396	}
1686		2397
1687	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1688	}	2399	}
1689	}	2400	}
1690	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1691	};	2402	};
1692	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1693		2404
1694	()	2405	()
1695	}	2406	}
1696		2407
		2408	# common code, used by both ->save and ->swapout
1697	sub save {	2409	sub _save {
1698	my ($self) = @_;	2410	my ($self) = @_;
1699
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;
1701		2411
1702	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1703		2413
1704	return unless $self->dirty;	2414	return unless $self->dirty;
1705		2415
…		…
1711	return if $self->{deny_save};	2421	return if $self->{deny_save};
1712		2422
1713	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
1714		2424
1715	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
1717	};	2428	};
		2429
		2430	cf::get_slot 0.02;
1718		2431
1719	if ($uniq) {	2432	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1721	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1722	} else {	2435	} else {
1723	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1724	}	2437	}
1725	}	2438	}
1726		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
1727	sub swap_out {	2448	sub swap_out {
1728	my ($self) = @_;	2449	my ($self) = @_;
1729		2450
1730	# save first because save cedes
1731	$self->save;
1732
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
1735	return if $self->players;	2455	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;
1737	return if $self->{deny_save};
1738		2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
1739	$self->clear;	2466	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2467	}
1742		2468
1743	sub reset_at {	2469	sub reset_at {
1744	my ($self) = @_;	2470	my ($self) = @_;
1745		2471
…		…
1763		2489
1764	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
1765		2491
1766	return if $self->players;	2492	return if $self->players;
1767		2493
1768	warn "resetting map ", $self->path;	2494	cf::trace "resetting map ", $self->path, "\n";
1769		2495
1770	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
1771		2497
1772	# need to save uniques path	2498	# need to save uniques path
1773	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
1774	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
1775		2501
…		…
1777	if $uniq;	2503	if $uniq;
1778	}	2504	}
1779		2505
1780	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
1781		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2510	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2511
1786	$self->unlink_save;	2512	$self->unlink_save;
1787	$self->destroy;	2513	$self->destroy;
1788	}	2514	}
1789		2515
1790	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
1791		2517
1792	sub nuke {	2518	sub nuke {
1793	my ($self) = @_;	2519	my ($self) = @_;
1794		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
1795	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
1796		2525
1797	$self->unlink_save;	2526	$self->unlink_save;
1798		2527
1799	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
1800	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2533
1805	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
1806		2536
1807	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
1808	}	2538	}
1809		2539
1810	=item $maps = cf::map::tmp_maps	2540	=item $maps = cf::map::tmp_maps
…		…
1852		2582
1853	sub unique_maps() {	2583	sub unique_maps() {
1854	[	2584	[
1855	map {	2585	map {
1856	utf8::decode $_;	2586	utf8::decode $_;
1857	/\.map$/	2587	s/\.map$//; # TODO future compatibility hack
		2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2589	? ()
1858	? normalise $_	2590	: normalise $_
1859	: ()
1860	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
1861	]	2592	]
1862	}	2593	}
1863		2594
1864	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
1865		2626
1866	=back	2627	=back
1867		2628
1868	=head3 cf::object	2629	=head3 cf::object
1869		2630
…		…
1873		2634
1874	=over 4	2635	=over 4
1875		2636
1876	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
1877		2638
1878	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
1879		2641
1880	=cut	2642	=cut
1881		2643
1882	sub inv_recursive_;	2644	sub inv_recursive_;
1883	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
1886		2648
1887	sub inv_recursive {	2649	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
1889	}	2651	}
1890		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
1891	package cf;	2681	package cf;
1892		2682
1893	=back	2683	=back
1894		2684
1895	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
1901	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2691	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1902	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
1903	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
1904		2694
1905	=cut	2695	=cut
		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
1906		2710
1907	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
1908	# with dialog boxes.	2712	# with dialog boxes.
1909	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
1910	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
1912		2716
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2717	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2718
1915	if ($self->{record_replies}) {	2719	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2720	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2721
1917	} else {	2722	} else {
		2723	my $pl = $self->contr;
		2724
		2725	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2726	my $dialog = $pl->{npc_dialog};
		2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2728
		2729	} else {
1918	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2732	}
1920	}	2733	}
		2734	}
		2735
		2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2737
		2738	=cut
		2739
		2740	sub cf::object::send_msg {
		2741	my $pl = shift->contr
		2742	or return;
		2743	$pl->send_msg (@_);
1921	}	2744	}
1922		2745
1923	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
1924		2747
1925	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
1938		2761
1939	=item $player_object->enter_link	2762	=item $player_object->enter_link
1940		2763
1941	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
1942		2765
1943	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
1944	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
1945		2770
1946	Will never block.	2771	Will never block.
1947		2772
1948	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
1949		2774
…		…
1969	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
1970	my ($self) = @_;	2795	my ($self) = @_;
1971		2796
1972	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
1973		2798
		2799	++$self->{_link_recursion};
		2800
1974	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
1975		2802
1976	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1977	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
1978		2805
1979	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1980	}	2807	}
1981		2808
1982	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
1983	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
1984		2811
…		…
2001	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2002	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2003		2830
2004	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2007		2834
2008	$map->load;	2835	$map->load;
2009	$map->load_diag;
2010		2836
2011	return unless $self->contr->active;	2837	return unless $self->contr->active;
2012	$self->activate_recursive;
2013		2838
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2016	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2017		2846
		2847	}
		2848
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2019		2850
2020	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2021	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2022	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2023	the new (success) or old (failed) map position.	2854	the new (success) or old (failed) map position. In either case, $done will
		2855	be called at the end of this process.
		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
2024		2859
2025	=cut	2860	=cut
2026		2861
2027	our $GOTOGEN;	2862	our $GOTOGEN;
2028		2863
2029	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
2031		2872
2032	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2875
2035	$self->enter_link;	2876	$self->enter_link;
2036		2877
2037	(async {	2878	(async {
		2879	$Coro::current->{desc} = "player::goto $path $x $y";
		2880
		2881	# *tag paths override both path and x|y
		2882	if ($path =~ /^\*(.*)$/) {
		2883	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2884	my $ob = $obs[rand @obs];
		2885
		2886	# see if we actually can go there
		2887	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2888	$ob = $obs[rand @obs];
		2889	} else {
		2890	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2891	}
		2892	# else put us there anyways for now #d#
		2893
		2894	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2895	} else {
		2896	($path, $x, $y) = (undef, undef, undef);
		2897	}
		2898	}
		2899
2038	my $map = eval {	2900	my $map = eval {
2039	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2040		2902
2041	if ($map) {	2903	if ($map) {
2042	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2044	} else {	2906	} else {
2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046	}	2908	}
2047		2909
2048	$map	2910	$map
2049	};	2911	};
2050		2912
…		…
2055		2917
2056	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2059	}	2921	}
		2922
		2923	$done->($self) if $done;
2060	})->prio (1);	2924	})->prio (1);
2061	}	2925	}
2062		2926
2063	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2064		2928
…		…
2084	}	2948	}
2085		2949
2086	sub prepare_random_map {	2950	sub prepare_random_map {
2087	my ($exit) = @_;	2951	my ($exit) = @_;
2088		2952
2089	my $guard = cf::lock_acquire "exit_prepare:$exit";
2090
2091	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
2092	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
2093	# that depends on the exit object	2955	# that depends on the exit object
2094		2956
2095	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
2097	if ($exit->map) {	2959	if ($exit->map) {
2098	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
2099	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
2100	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
2101	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
2102	}	2966	}
2103		2967
2104	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
2105		2969
2106	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2107	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
2108	my $meta = "$RANDOMDIR/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
2109		2973
2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
2112	undef $fh;	2976	undef $fh;
2113	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
2114		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
2115	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
2116	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
2117	}	2985	}
2118	}	2986	}
2119		2987
2120	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2121	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2122		2990
2123	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2124		2992
2125	if ($exit->slaying eq "/!") {
2126	#TODO: this should de-fi-ni-te-ly not be a sync-job
2127	# the problem is that $exit might not survive long enough
2128	# so it needs to be done right now, right here
2129	cf::sync_job { prepare_random_map $exit };
2130	}
2131
2132	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2133	my $hp = $exit->stats->hp;
2134	my $sp = $exit->stats->sp;
2135
2136	$self->enter_link;	2993	$self->enter_link;
2137		2994
2138	(async {	2995	(async {
2139	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
2140	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
2141	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2142		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
2143	1;	3034	1
2144	}) {	3035	}) {
2145	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2146	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2147	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2148	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2149		3040
2150	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2151	$self->leave_link;	3042	$self->leave_link;
2152	}	3043	}
2153	})->prio (1);	3044	})->prio (1);
2154	}	3045	}
2155		3046
…		…
2169		3060
2170	utf8::encode $text;	3061	utf8::encode $text;
2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172	}	3063	}
2173		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
		3088	}
		3089
		3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3091
		3092	Send a drawinfo or msg packet to the client, formatting the msg for the
		3093	client if neccessary. C<$type> should be a string identifying the type of
		3094	the message, with C<log> being the default. If C<$color> is negative, suppress
		3095	the message unless the client supports the msg packet.
		3096
		3097	=cut
		3098
		3099	# non-persistent channels (usually the info channel)
		3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
		3107	"c/identify" => {
		3108	id => "infobox",
		3109	title => "Identify",
		3110	reply => undef,
		3111	tooltip => "Items recently identified",
		3112	},
		3113	"c/examine" => {
		3114	id => "infobox",
		3115	title => "Examine",
		3116	reply => undef,
		3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
		3124	},
		3125	"c/book" => {
		3126	id => "infobox",
		3127	title => "Book",
		3128	reply => undef,
		3129	tooltip => "The contents of a note or book",
		3130	},
		3131	"c/lookat" => {
		3132	id => "infobox",
		3133	title => "Look",
		3134	reply => undef,
		3135	tooltip => "What you saw there",
		3136	},
		3137	"c/who" => {
		3138	id => "infobox",
		3139	title => "Players",
		3140	reply => undef,
		3141	tooltip => "Shows players who are currently online",
		3142	},
		3143	"c/body" => {
		3144	id => "infobox",
		3145	title => "Body Parts",
		3146	reply => undef,
		3147	tooltip => "Shows which body parts you posess and are available",
		3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
		3185	"c/uptime" => {
		3186	id => "infobox",
		3187	title => "Uptime",
		3188	reply => undef,
		3189	tooltip => "How long the server has been running since last restart",
		3190	},
		3191	"c/mapinfo" => {
		3192	id => "infobox",
		3193	title => "Map Info",
		3194	reply => undef,
		3195	tooltip => "Information related to the maps",
		3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
		3211	);
		3212
		3213	sub cf::client::send_msg {
		3214	my ($self, $channel, $msg, $color, @extra) = @_;
		3215
		3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
		3218
		3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
		3228	} elsif (ref $channel) {
		3229	# send meta info to client, if not yet sent
		3230	unless (exists $self->{channel}{$channel->{id}}) {
		3231	$self->{channel}{$channel->{id}} = $channel;
		3232	$self->ext_msg (channel_info => $channel);
		3233	}
		3234
		3235	$channel = $channel->{id};
		3236	}
		3237
		3238	return unless @extra || length $msg;
		3239
		3240	# default colour, mask it out
		3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3242	if $color & cf::NDI_DEF;
		3243
		3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
		3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3247	);
		3248
		3249	$self->send_big_packet ($pkt);
		3250	}
		3251
2174	=item $client->ext_event ($type, %msg)	3252	=item $client->ext_msg ($type, @msg)
2175		3253
2176	Sends an exti event to the client.	3254	Sends an ext event to the client.
2177		3255
2178	=cut	3256	=cut
2179		3257
2180	sub cf::client::ext_event($$%) {	3258	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	3259	my ($self, $type, @msg) = @_;
2182		3260
2183	$msg{msgtype} = "event_$type";	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2184	$self->send_packet ("ext " . cf::to_json \%msg);
2185	}	3262	}
2186		3263
2187	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2188		3265
2189	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
2190	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3267	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2191	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3268	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192		3269
2193	Queries can fail, so check the return code. Or don't, as queries will become	3270	Queries can fail, so check the return code. Or don't, as queries will
2194	reliable at some point in the future.	3271	become reliable at some point in the future.
2195		3272
2196	=cut	3273	=cut
2197		3274
2198	sub cf::client::query {	3275	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	3276	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	3284	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3285	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		3286
2210	$self->send_packet ($self->{query_queue}[0][0])	3287	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	3288	if @{ $self->{query_queue} } == 1;
		3289
		3290	1
2212	}	3291	}
2213		3292
2214	cf::client->attach (	3293	cf::client->attach (
		3294	on_connect => sub {
		3295	my ($ns) = @_;
		3296
		3297	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3298	},
2215	on_reply => sub {	3299	on_reply => sub {
2216	my ($ns, $msg) = @_;	3300	my ($ns, $msg) = @_;
2217		3301
2218	# this weird shuffling is so that direct followup queries	3302	# this weird shuffling is so that direct followup queries
2219	# get handled first	3303	# get handled first
…		…
2231	} else {	3315	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3316	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	3317	}
2234	}	3318	}
2235	},	3319	},
		3320	on_exticmd => sub {
		3321	my ($ns, $buf) = @_;
		3322
		3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3324
		3325	if (ref $msg) {
		3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3327
		3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
		3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
		3346	}
		3347	} else {
		3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3349	}
		3350
		3351	cf::override;
		3352	},
2236	);	3353	);
2237		3354
2238	=item $client->async (\&cb)	3355	=item $client->async (\&cb)
2239		3356
2240	Create a new coroutine, running the specified callback. The coroutine will	3357	Create a new coroutine, running the specified callback. The coroutine will
…		…
2256		3373
2257	$coro	3374	$coro
2258	}	3375	}
2259		3376
2260	cf::client->attach (	3377	cf::client->attach (
2261	on_destroy => sub {	3378	on_client_destroy => sub {
2262	my ($ns) = @_;	3379	my ($ns) = @_;
2263		3380
2264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2265	},	3382	},
2266	);	3383	);
…		…
2281	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2283		3400
2284	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2285		3402
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3403	$safe->permit_only (Opcode::opset qw(
		3404	:base_core :base_mem :base_orig :base_math :base_loop
		3405	grepstart grepwhile mapstart mapwhile
		3406	sort time
		3407	));
2287		3408
2288	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2289		3410
2290	=pod	3411	=pod
2291		3412
2292	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2293		3414
2294	cf::object contr pay_amount pay_player map	3415	cf::object
		3416	contr pay_amount pay_player map x y force_find force_add destroy
		3417	insert remove name archname title slaying race decrease split
		3418	value
		3419
2295	cf::object::player player	3420	cf::object::player
2296	cf::player peaceful	3421	player
2297	cf::map trigger	3422
		3423	cf::player
		3424	peaceful
		3425
		3426	cf::map
		3427	trigger
2298		3428
2299	=cut	3429	=cut
2300		3430
2301	for (	3431	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2303	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2305	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2306	) {	3438	) {
2307	no strict 'refs';
2308	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2310	for @funs;	3441	for @funs;
2311	}	3442	}
2312		3443
…		…
2327		3458
2328	my $qcode = $code;	3459	my $qcode = $code;
2329	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2330	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2331		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2332	local $_;	3466	local $_;
2333	local @safe::cf::_safe_eval_args = values %vars;
2334		3467
2335	my $eval =	3468	my $eval =
2336	"do {\n"	3469	"do {\n"
2337	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2338	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2339	. $code	3472	. $code
2340	. "\n}"	3473	. "\n}"
2341	;	3474	;
2342		3475
		3476	if ($CFG{safe_eval}) {
2343	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2344	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2345	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2346		3485
2347	if ($@) {	3486	if ($@) {
2348	warn "$@";	3487	warn "$@",
2349	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2350	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2351	}	3490	}
2352		3491
2353	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2354	}	3493	}
2355		3494
…		…
2369	=cut	3508	=cut
2370		3509
2371	sub register_script_function {	3510	sub register_script_function {
2372	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2373		3512
2374	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2375	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2376	}	3515	}
2377		3516
2378	=back	3517	=back
2379		3518
2380	=cut	3519	=cut
2381
2382	#############################################################################
2383
2384	=head2 EXTENSION DATABASE SUPPORT
2385
2386	Crossfire maintains a very simple database for extension use. It can
2387	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2388	convert to/from binary).
2389
2390	The parameter C<$family> should best start with the name of the extension
2391	using it, it should be unique.
2392
2393	=over 4
2394
2395	=item $value = cf::db_get $family => $key
2396
2397	Returns a single value from the database.
2398
2399	=item cf::db_put $family => $key => $value
2400
2401	Stores the given C<$value> in the family.
2402
2403	=cut
2404
2405	our $DB;
2406
2407	sub db_init {
2408	unless ($DB) {
2409	$DB = BDB::db_create $DB_ENV;
2410
2411	cf::sync_job {
2412	eval {
2413	$DB->set_flags (BDB::CHKSUM);
2414
2415	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2416	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2417	cf::cleanup "db_open(db): $!" if $!;
2418	};
2419	cf::cleanup "db_open(db): $@" if $@;
2420	};
2421	}
2422	}
2423
2424	sub db_get($$) {
2425	my $key = "$_[0]/$_[1]";
2426
2427	cf::sync_job {
2428	BDB::db_get $DB, undef, $key, my $data;
2429
2430	$! ? ()
2431	: $data
2432	}
2433	}
2434
2435	sub db_put($$$) {
2436	BDB::dbreq_pri 4;
2437	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2438	}
2439
2440	=item cf::cache $id => [$paths...], $processversion => $process
2441
2442	Generic caching function that returns the value of the resource $id,
2443	caching and regenerating as required.
2444
2445	This function can block.
2446
2447	=cut
2448
2449	sub cache {
2450	my ($id, $src, $processversion, $process) = @_;
2451
2452	my $meta =
2453	join "\x00",
2454	$processversion,
2455	map {
2456	aio_stat $_
2457	and Carp::croak "$_: $!";
2458
2459	($_, (stat _)[7,9])
2460	} @$src;
2461
2462	my $dbmeta = db_get cache => "$id/meta";
2463	if ($dbmeta ne $meta) {
2464	# changed, we may need to process
2465
2466	my @data;
2467	my $md5;
2468
2469	for (0 .. $#$src) {
2470	0 <= aio_load $src->[$_], $data[$_]
2471	or Carp::croak "$src->[$_]: $!";
2472	}
2473
2474	# if processing is expensive, check
2475	# checksum first
2476	if (1) {
2477	$md5 =
2478	join "\x00",
2479	$processversion,
2480	map {
2481	Coro::cede;
2482	($src->[$_], Digest::MD5::md5_hex $data[$_])
2483	} 0.. $#$src;
2484
2485
2486	my $dbmd5 = db_get cache => "$id/md5";
2487	if ($dbmd5 eq $md5) {
2488	db_put cache => "$id/meta", $meta;
2489
2490	return db_get cache => "$id/data";
2491	}
2492	}
2493
2494	my $t1 = Time::HiRes::time;
2495	my $data = $process->(\@data);
2496	my $t2 = Time::HiRes::time;
2497
2498	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2499
2500	db_put cache => "$id/data", $data;
2501	db_put cache => "$id/md5" , $md5;
2502	db_put cache => "$id/meta", $meta;
2503
2504	return $data;
2505	}
2506
2507	db_get cache => "$id/data"
2508	}
2509
2510	=item fork_call { }, $args
2511
2512	Executes the given code block with the given arguments in a seperate
2513	process, returning the results. Everything must be serialisable with
2514	Coro::Storable. May, of course, block. Note that the executed sub may
2515	never block itself or use any form of Event handling.
2516
2517	=cut
2518
2519	sub fork_call(&@) {
2520	my ($cb, @args) = @_;
2521
2522	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2523	# or die "socketpair: $!";
2524	pipe my $fh1, my $fh2
2525	or die "pipe: $!";
2526
2527	if (my $pid = fork) {
2528	close $fh2;
2529
2530	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2531	$res = Coro::Storable::thaw $res;
2532
2533	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2534
2535	die $$res unless "ARRAY" eq ref $res;
2536
2537	return wantarray ? @$res : $res->[-1];
2538	} else {
2539	reset_signals;
2540	local $SIG{__WARN__};
2541	local $SIG{__DIE__};
2542	eval {
2543	close $fh1;
2544
2545	my @res = eval { $cb->(@args) };
2546	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2547	};
2548
2549	warn $@ if $@;
2550	_exit 0;
2551	}
2552	}
2553		3520
2554	#############################################################################	3521	#############################################################################
2555	# the server's init and main functions	3522	# the server's init and main functions
2556		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525
		3526	# internal api, not fianlised
		3527	sub set_face {
		3528	my ($name, $type, $data) = @_;
		3529
		3530	my $idx = cf::face::find $name;
		3531
		3532	if ($idx) {
		3533	delete $FACEHASH{cf::face::get_chksum $idx};
		3534	} else {
		3535	$idx = cf::face::alloc $name;
		3536	}
		3537
		3538	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3539
		3540	cf::face::set_type $idx, $type;
		3541	cf::face::set_data $idx, 0, $data, $hash;
		3542	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3543	$FACEHASH{$hash} = $idx;#d#
		3544
		3545	$idx
		3546	}
		3547
2557	sub load_facedata($) {	3548	sub load_facedata($) {
2558	my ($path) = @_;	3549	my ($path) = @_;
2559		3550
		3551	# HACK to clear player env face cache, we need some signal framework
		3552	# for this (global event?)
		3553	%ext::player_env::MUSIC_FACE_CACHE = ();
		3554
		3555	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3556
2560	warn "loading facedata from $path\n";	3557	trace "loading facedata from $path\n";
2561		3558
2562	my $facedata;	3559	my $facedata = decode_storable load_file $path;
2563	0 < aio_load $path, $facedata
2564	or die "$path: $!";
2565
2566	$facedata = Coro::Storable::thaw $facedata;
2567		3560
2568	$facedata->{version} == 2	3561	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3562	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		3563
		3564	cf::cede_to_tick;
		3565
2571	{	3566	{
2572	my $faces = $facedata->{faceinfo};	3567	my $faces = delete $facedata->{faceinfo};
2573		3568
2574	while (my ($face, $info) = each %$faces) {	3569	for my $face (sort keys %$faces) {
		3570	my $info = $faces->{$face};
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3571	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3572
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3573	cf::face::set_visibility $idx, $info->{visibility};
		3574	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3575	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3576	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2579	Coro::cede;	3577	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3578	$FACEHASH{$info->{hash64}} = $idx;#d#
		3579
		3580	cf::cede_to_tick;
2580	}	3581	}
2581		3582
2582	while (my ($face, $info) = each %$faces) {	3583	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3584	next unless $info->{smooth};
		3585
2584	my $idx = cf::face::find $face	3586	my $idx = cf::face::find $face
2585	or next;	3587	or next;
		3588
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3589	if (my $smooth = cf::face::find $info->{smooth}) {
		3590	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3591	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3592	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3593	error "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3594	}
2591	Coro::cede;	3595
		3596	cf::cede_to_tick;
2592	}	3597	}
2593	}	3598	}
2594		3599
2595	{	3600	{
2596	my $anims = $facedata->{animinfo};	3601	my $anims = delete $facedata->{animinfo};
2597		3602
2598	while (my ($anim, $info) = each %$anims) {	3603	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3604	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3605	cf::cede_to_tick;
2601	}	3606	}
2602		3607
2603	cf::anim::invalidate_all; # d'oh	3608	cf::anim::invalidate_all; # d'oh
2604	}	3609	}
2605		3610
		3611	{
		3612	my $res = delete $facedata->{resource};
		3613
		3614	while (my ($name, $info) = each %$res) {
		3615	if (defined (my $type = $info->{type})) {
		3616	# TODO: different hash - must free and use new index, or cache ixface data queue
		3617	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3618
		3619	cf::face::set_type $idx, $type;
		3620	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3621	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3622	$FACEHASH{$info->{hash}} = $idx;#d#
		3623	} else {
		3624	# $RESOURCE{$name} = $info; # unused
		3625	}
		3626
		3627	cf::cede_to_tick;
		3628	}
		3629	}
		3630
		3631	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3632
2606	1	3633	1
2607	}	3634	}
2608		3635
		3636	register_exticmd fx_want => sub {
		3637	my ($ns, $want) = @_;
		3638
		3639	while (my ($k, $v) = each %$want) {
		3640	$ns->fx_want ($k, $v);
		3641	}
		3642	};
		3643
		3644	sub load_resource_file($) {
		3645	my $guard = lock_acquire "load_resource_file";
		3646
		3647	my $status = load_resource_file_ $_[0];
		3648	get_slot 0.1, 100;
		3649	cf::arch::commit_load;
		3650
		3651	$status
		3652	}
		3653
		3654	sub reload_exp_table {
		3655	_reload_exp_table;
		3656
		3657	set_face "res/exp_table" => FT_RSRC,
		3658	JSON::XS->new->utf8->canonical->encode (
		3659	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3660	);
		3661	}
		3662
		3663	sub reload_materials {
		3664	_reload_materials;
		3665	}
		3666
2609	sub reload_regions {	3667	sub reload_regions {
		3668	# HACK to clear player env face cache, we need some signal framework
		3669	# for this (global event?)
		3670	%ext::player_env::MUSIC_FACE_CACHE = ();
		3671
2610	load_resource_file "$MAPDIR/regions"	3672	load_resource_file "$MAPDIR/regions"
2611	or die "unable to load regions file\n";	3673	or die "unable to load regions file\n";
		3674
		3675	for (cf::region::list) {
		3676	$_->{match} = qr/$_->{match}/
		3677	if exists $_->{match};
		3678	}
2612	}	3679	}
2613		3680
2614	sub reload_facedata {	3681	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3682	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3683	or die "unable to load facedata\n";
2617	}	3684	}
2618		3685
2619	sub reload_archetypes {	3686	sub reload_archetypes {
2620	load_resource_file "$DATADIR/archetypes"	3687	load_resource_file "$DATADIR/archetypes"
2621	or die "unable to load archetypes\n";	3688	or die "unable to load archetypes\n";
		3689
		3690	set_face "res/skill_info" => FT_RSRC,
		3691	JSON::XS->new->utf8->canonical->encode (
		3692	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3693	);
		3694	set_face "res/spell_paths" => FT_RSRC,
		3695	JSON::XS->new->utf8->canonical->encode (
		3696	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3697	);
2622	}	3698	}
2623		3699
2624	sub reload_treasures {	3700	sub reload_treasures {
2625	load_resource_file "$DATADIR/treasures"	3701	load_resource_file "$DATADIR/treasures"
2626	or die "unable to load treasurelists\n";	3702	or die "unable to load treasurelists\n";
2627	}	3703	}
2628		3704
		3705	sub reload_sound {
		3706	trace "loading sound config from $DATADIR/sound\n";
		3707
		3708	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3709
		3710	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3711	my $sound = $soundconf->{compat}[$_]
		3712	or next;
		3713
		3714	my $face = cf::face::find "sound/$sound->[1]";
		3715	cf::sound::set $sound->[0] => $face;
		3716	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3717	}
		3718
		3719	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3720	my $face = cf::face::find "sound/$v";
		3721	cf::sound::set $k => $face;
		3722	}
		3723	}
		3724
2629	sub reload_resources {	3725	sub reload_resources {
2630	warn "reloading resource files...\n";	3726	trace "reloading resource files...\n";
2631		3727
		3728	reload_materials;
		3729	reload_facedata;
		3730	reload_exp_table;
		3731	reload_sound;
		3732	reload_archetypes;
2632	reload_regions;	3733	reload_regions;
2633	reload_facedata;
2634	#reload_archetypes;#d#
2635	reload_archetypes;
2636	reload_treasures;	3734	reload_treasures;
2637		3735
2638	warn "finished reloading resource files\n";	3736	trace "finished reloading resource files\n";
2639	}	3737	}
2640		3738
2641	sub init {	3739	sub reload_config {
2642	reload_resources;	3740	trace "reloading config file...\n";
2643	}
2644		3741
2645	sub cfg_load {	3742	my $config = load_file "$CONFDIR/config";
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3743	utf8::decode $config;
2647	or return;	3744	*CFG = decode_yaml $config;
2648		3745
2649	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;
2651
2652	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2653		3747
2654	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2655	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2656		3750
2657	if (exists $CFG{mlockall}) {	3751	if (exists $CFG{mlockall}) {
…		…
2661	};	3755	};
2662	warn $@ if $@;	3756	warn $@ if $@;
2663	}	3757	}
2664	}	3758	}
2665		3759
		3760	sub pidfile() {
		3761	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3762	or die "$PIDFILE: $!";
		3763	flock $fh, &Fcntl::LOCK_EX
		3764	or die "$PIDFILE: flock: $!";
		3765	$fh
		3766	}
		3767
		3768	# make sure only one server instance is running at any one time
		3769	sub atomic {
		3770	my $fh = pidfile;
		3771
		3772	my $pid = <$fh>;
		3773	kill 9, $pid if $pid > 0;
		3774
		3775	seek $fh, 0, 0;
		3776	print $fh $$;
		3777	}
		3778
		3779	sub main_loop {
		3780	trace "EV::loop starting\n";
		3781	if (1) {
		3782	EV::loop;
		3783	}
		3784	trace "EV::loop returned\n";
		3785	goto &main_loop unless $REALLY_UNLOOP;
		3786	}
		3787
2666	sub main {	3788	sub main {
		3789	cf::init_globals; # initialise logging
		3790
		3791	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3792	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3793	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3794	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3795
		3796	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3797
2667	# we must not ever block the main coroutine	3798	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3799	$Coro::idle = sub {
2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3800	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670	(async {	3801	(async {
2671	Event::one_event;	3802	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3803	EV::loop EV::LOOP_ONESHOT;
2672	})->prio (Coro::PRIO_MAX);	3804	})->prio (Coro::PRIO_MAX);
2673	};	3805	};
2674		3806
2675	cfg_load;	3807	evthread_start IO::AIO::poll_fileno;
		3808
		3809	cf::sync_job {
		3810	cf::incloader::init ();
		3811
2676	db_init;	3812	db_init;
		3813
		3814	cf::init_anim;
		3815	cf::init_attackmess;
		3816	cf::init_dynamic;
		3817
		3818	cf::load_settings;
		3819
		3820	reload_resources;
		3821	reload_config;
		3822
		3823	cf::init_uuid;
		3824	cf::init_signals;
		3825	cf::init_skills;
		3826
		3827	cf::init_beforeplay;
		3828
		3829	atomic;
		3830
2677	load_extensions;	3831	load_extensions;
2678		3832
2679	$TICK_WATCHER->start;	3833	utime time, time, $RUNTIMEFILE;
2680	Event::loop;	3834
		3835	# no (long-running) fork's whatsoever before this point(!)
		3836	use POSIX ();
		3837	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3838
		3839	cf::_post_init 0;
		3840	};
		3841
		3842	cf::object::thawer::errors_are_fatal 0;
		3843	info "parse errors in files are no longer fatal from this point on.\n";
		3844
		3845	AE::postpone {
		3846	undef &main; # free gobs of memory :)
		3847	};
		3848
		3849	goto &main_loop;
2681	}	3850	}
2682		3851
2683	#############################################################################	3852	#############################################################################
2684	# initialisation and cleanup	3853	# initialisation and cleanup
2685		3854
2686	# install some emergency cleanup handlers	3855	# install some emergency cleanup handlers
2687	BEGIN {	3856	BEGIN {
		3857	our %SIGWATCHER = ();
2688	for my $signal (qw(INT HUP TERM)) {	3858	for my $signal (qw(INT HUP TERM)) {
2689	Event->signal (	3859	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2690	reentrant => 0,
2691	data => WF_AUTOCANCEL,
2692	signal => $signal,
2693	prio => 0,
2694	cb => sub {
2695	cf::cleanup "SIG$signal";	3860	cf::cleanup "SIG$signal";
2696	},
2697	);	3861	};
		3862	}
		3863	}
		3864
		3865	sub write_runtime_sync {
		3866	my $t0 = AE::time;
		3867
		3868	# first touch the runtime file to show we are still running:
		3869	# the fsync below can take a very very long time.
		3870
		3871	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3872
		3873	my $guard = cf::lock_acquire "write_runtime";
		3874
		3875	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3876	or return;
		3877
		3878	my $value = $cf::RUNTIME + 90 + 10;
		3879	# 10 is the runtime save interval, for a monotonic clock
		3880	# 60 allows for the watchdog to kill the server.
		3881
		3882	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3883	and return;
		3884
		3885	# always fsync - this file is important
		3886	aio_fsync $fh
		3887	and return;
		3888
		3889	# touch it again to show we are up-to-date
		3890	aio_utime $fh, undef, undef;
		3891
		3892	close $fh
		3893	or return;
		3894
		3895	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3896	and return;
		3897
		3898	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3899
2698	}	3900	1
		3901	}
		3902
		3903	our $uuid_lock;
		3904	our $uuid_skip;
		3905
		3906	sub write_uuid_sync($) {
		3907	$uuid_skip ||= $_[0];
		3908
		3909	return if $uuid_lock;
		3910	local $uuid_lock = 1;
		3911
		3912	my $uuid = "$LOCALDIR/uuid";
		3913
		3914	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3915	or return;
		3916
		3917	my $value = uuid_seq uuid_cur;
		3918
		3919	unless ($value) {
		3920	info "cowardly refusing to write zero uuid value!\n";
		3921	return;
		3922	}
		3923
		3924	my $value = uuid_str $value + $uuid_skip;
		3925	$uuid_skip = 0;
		3926
		3927	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3928	and return;
		3929
		3930	# always fsync - this file is important
		3931	aio_fsync $fh
		3932	and return;
		3933
		3934	close $fh
		3935	or return;
		3936
		3937	aio_rename "$uuid~", $uuid
		3938	and return;
		3939
		3940	trace "uuid file written ($value).\n";
		3941
		3942	1
		3943
		3944	}
		3945
		3946	sub write_uuid($$) {
		3947	my ($skip, $sync) = @_;
		3948
		3949	$sync ? write_uuid_sync $skip
		3950	: async { write_uuid_sync $skip };
2699	}	3951	}
2700		3952
2701	sub emergency_save() {	3953	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3954	my $freeze_guard = cf::freeze_mainloop;
2703		3955
2704	warn "enter emergency perl save\n";	3956	info "emergency_perl_save: enter\n";
		3957
		3958	# this is a trade-off: we want to be very quick here, so
		3959	# save all maps without fsync, and later call a global sync
		3960	# (which in turn might be very very slow)
		3961	local $USE_FSYNC = 0;
2705		3962
2706	cf::sync_job {	3963	cf::sync_job {
		3964	cf::write_runtime_sync; # external watchdog should not bark
		3965
2707	# use a peculiar iteration method to avoid tripping on perl	3966	# use a peculiar iteration method to avoid tripping on perl
2708	# refcount bugs in for. also avoids problems with players	3967	# refcount bugs in for. also avoids problems with players
2709	# and maps saved/destroyed asynchronously.	3968	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	3969	info "emergency_perl_save: begin player save\n";
2711	for my $login (keys %cf::PLAYER) {	3970	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	3971	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	3972	$pl->valid or next;
		3973	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	3974	$pl->save;
2715	}	3975	}
2716	warn "end emergency player save\n";	3976	info "emergency_perl_save: end player save\n";
2717		3977
2718	warn "begin emergency map save\n";	3978	cf::write_runtime_sync; # external watchdog should not bark
		3979
		3980	info "emergency_perl_save: begin map save\n";
2719	for my $path (keys %cf::MAP) {	3981	for my $path (keys %cf::MAP) {
2720	my $map = $cf::MAP{$path} or next;	3982	my $map = $cf::MAP{$path} or next;
2721	$map->valid or next;	3983	$map->valid or next;
2722	$map->save;	3984	$map->save;
2723	}	3985	}
2724	warn "end emergency map save\n";	3986	info "emergency_perl_save: end map save\n";
2725		3987
2726	warn "begin emergency database checkpoint\n";	3988	cf::write_runtime_sync; # external watchdog should not bark
		3989
		3990	info "emergency_perl_save: begin database checkpoint\n";
2727	BDB::db_env_txn_checkpoint $DB_ENV;	3991	BDB::db_env_txn_checkpoint $DB_ENV;
2728	warn "end emergency database checkpoint\n";	3992	info "emergency_perl_save: end database checkpoint\n";
		3993
		3994	info "emergency_perl_save: begin write uuid\n";
		3995	write_uuid_sync 1;
		3996	info "emergency_perl_save: end write uuid\n";
		3997
		3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	trace "emergency_perl_save: syncing database to disk";
		4001	BDB::db_env_txn_checkpoint $DB_ENV;
		4002
		4003	info "emergency_perl_save: starting sync\n";
		4004	IO::AIO::aio_sync sub {
		4005	info "emergency_perl_save: finished sync\n";
		4006	};
		4007
		4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	trace "emergency_perl_save: flushing outstanding aio requests";
		4011	while (IO::AIO::nreqs || BDB::nreqs) {
		4012	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4013	}
		4014
		4015	cf::write_runtime_sync; # external watchdog should not bark
2729	};	4016	};
2730		4017
2731	warn "leave emergency perl save\n";	4018	info "emergency_perl_save: leave\n";
2732	}	4019	}
2733		4020
2734	sub post_cleanup {	4021	sub post_cleanup {
2735	my ($make_core) = @_;	4022	my ($make_core) = @_;
2736		4023
		4024	IO::AIO::flush;
		4025
2737	warn Carp::longmess "post_cleanup backtrace"	4026	error Carp::longmess "post_cleanup backtrace"
2738	if $make_core;	4027	if $make_core;
		4028
		4029	my $fh = pidfile;
		4030	unlink $PIDFILE if <$fh> == $$;
		4031	}
		4032
		4033	# a safer delete_package, copied from Symbol
		4034	sub clear_package($) {
		4035	my $pkg = shift;
		4036
		4037	# expand to full symbol table name if needed
		4038	unless ($pkg =~ /^main::.*::$/) {
		4039	$pkg = "main$pkg" if $pkg =~ /^::/;
		4040	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4041	$pkg .= '::' unless $pkg =~ /::$/;
		4042	}
		4043
		4044	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4045	my $stem_symtab = *{$stem}{HASH};
		4046
		4047	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4048	or return;
		4049
		4050	# clear all symbols
		4051	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4052	for my $name (keys %$leaf_symtab) {
		4053	_gv_clear *{"$pkg$name"};
		4054	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4055	}
2739	}	4056	}
2740		4057
2741	sub do_reload_perl() {	4058	sub do_reload_perl() {
2742	# can/must only be called in main	4059	# can/must only be called in main
2743	if ($Coro::current != $Coro::main) {	4060	unless (in_main) {
2744	warn "can only reload from main coroutine";	4061	error "can only reload from main coroutine";
2745	return;	4062	return;
2746	}	4063	}
2747		4064
2748	warn "reloading...";	4065	return if $RELOAD++;
2749		4066
2750	warn "entering sync_job";	4067	my $t1 = AE::time;
2751		4068
		4069	while ($RELOAD) {
		4070	cf::get_slot 0.1, -1, "reload_perl";
		4071	info "perl_reload: reloading...";
		4072
		4073	trace "perl_reload: entering sync_job";
		4074
2752	cf::sync_job {	4075	cf::sync_job {
2753	cf::write_runtime; # external watchdog should not bark
2754	cf::emergency_save;	4076	#cf::emergency_save;
2755	cf::write_runtime; # external watchdog should not bark
2756		4077
2757	warn "syncing database to disk";
2758	BDB::db_env_txn_checkpoint $DB_ENV;
2759
2760	# if anything goes wrong in here, we should simply crash as we already saved
2761
2762	warn "cancelling all WF_AUTOCANCEL watchers";
2763	for (Event::all_watchers) {
2764	$_->cancel if $_->data & WF_AUTOCANCEL;
2765	}
2766
2767	warn "flushing outstanding aio requests";
2768	for (;;) {
2769	BDB::flush;
2770	IO::AIO::flush;
2771	Coro::cede;
2772	last unless IO::AIO::nreqs || BDB::nreqs;
2773	warn "iterate...";
2774	}
2775
2776	++$RELOAD;
2777
2778	warn "cancelling all extension coros";	4078	trace "perl_reload: cancelling all extension coros";
2779	$_->cancel for values %EXT_CORO;	4079	$_->cancel for values %EXT_CORO;
2780	%EXT_CORO = ();	4080	%EXT_CORO = ();
2781		4081
2782	warn "removing commands";	4082	trace "perl_reload: removing commands";
2783	%COMMAND = ();	4083	%COMMAND = ();
2784		4084
2785	warn "removing ext commands";	4085	trace "perl_reload: removing ext/exti commands";
2786	%EXTCMD = ();	4086	%EXTCMD = ();
		4087	%EXTICMD = ();
2787		4088
2788	warn "unloading/nuking all extensions";	4089	trace "perl_reload: unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {	4090	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";	4091	trace "... unloading $pkg";
2791		4092
2792	if (my $cb = $pkg->can ("unload")) {	4093	if (my $cb = $pkg->can ("unload")) {
2793	eval {	4094	eval {
2794	$cb->($pkg);	4095	$cb->($pkg);
2795	1	4096	1
2796	} or warn "$pkg unloaded, but with errors: $@";	4097	} or error "$pkg unloaded, but with errors: $@";
		4098	}
		4099
		4100	trace "... clearing $pkg";
		4101	clear_package $pkg;
2797	}	4102	}
2798		4103
2799	warn "... nuking $pkg";
2800	Symbol::delete_package $pkg;
2801	}
2802
2803	warn "unloading all perl modules loaded from $LIBDIR";	4104	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2804	while (my ($k, $v) = each %INC) {	4105	while (my ($k, $v) = each %INC) {
2805	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4106	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2806		4107
2807	warn "... unloading $k";	4108	trace "... unloading $k";
2808	delete $INC{$k};	4109	delete $INC{$k};
2809		4110
2810	$k =~ s/\.pm$//;	4111	$k =~ s/\.pm$//;
2811	$k =~ s/\//::/g;	4112	$k =~ s/\//::/g;
2812		4113
2813	if (my $cb = $k->can ("unload_module")) {	4114	if (my $cb = $k->can ("unload_module")) {
2814	$cb->();	4115	$cb->();
		4116	}
		4117
		4118	clear_package $k;
2815	}	4119	}
2816		4120
2817	Symbol::delete_package $k;
2818	}
2819
2820	warn "getting rid of safe::, as good as possible";	4121	trace "perl_reload: getting rid of safe::, as good as possible";
2821	Symbol::delete_package "safe::$_"	4122	clear_package "safe::$_"
2822	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4123	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2823		4124
2824	warn "unloading cf.pm \"a bit\"";	4125	trace "perl_reload: unloading cf.pm \"a bit\"";
2825	delete $INC{"cf.pm"};	4126	delete $INC{"cf.pm"};
2826	delete $INC{"cf/pod.pm"};	4127	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2827		4128
2828	# don't, removes xs symbols, too,	4129	# don't, removes xs symbols, too,
2829	# and global variables created in xs	4130	# and global variables created in xs
2830	#Symbol::delete_package __PACKAGE__;	4131	#clear_package __PACKAGE__;
2831		4132
2832	warn "unload completed, starting to reload now";	4133	info "perl_reload: unload completed, starting to reload now";
2833		4134
2834	warn "reloading cf.pm";	4135	trace "perl_reload: reloading cf.pm";
2835	require cf;	4136	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4137	cf::_connect_to_perl_1;
2837		4138
2838	warn "loading config and database again";	4139	trace "perl_reload: loading config and database again";
2839	cf::cfg_load;	4140	cf::reload_config;
2840		4141
2841	warn "loading extensions";	4142	trace "perl_reload: loading extensions";
2842	cf::load_extensions;	4143	cf::load_extensions;
2843		4144
		4145	if ($REATTACH_ON_RELOAD) {
2844	warn "reattaching attachments to objects/players";	4146	trace "perl_reload: reattaching attachments to objects/players";
2845	_global_reattach; # objects, sockets	4147	_global_reattach; # objects, sockets
2846	warn "reattaching attachments to maps";	4148	trace "perl_reload: reattaching attachments to maps";
2847	reattach $_ for values %MAP;	4149	reattach $_ for values %MAP;
2848	warn "reattaching attachments to players";	4150	trace "perl_reload: reattaching attachments to players";
2849	reattach $_ for values %PLAYER;	4151	reattach $_ for values %PLAYER;
		4152	}
2850		4153
2851	warn "leaving sync_job";	4154	cf::_post_init 1;
2852		4155
		4156	trace "perl_reload: leaving sync_job";
		4157
2853	1	4158	1
2854	} or do {	4159	} or do {
2855	warn $@;	4160	error $@;
2856	warn "error while reloading, exiting.";	4161	cf::cleanup "perl_reload: error, exiting.";
2857	exit 1;	4162	};
		4163
		4164	--$RELOAD;
2858	};	4165	}
2859		4166
2860	warn "reloaded";	4167	$t1 = AE::time - $t1;
		4168	info "perl_reload: completed in ${t1}s\n";
2861	};	4169	};
2862		4170
2863	our $RELOAD_WATCHER; # used only during reload	4171	our $RELOAD_WATCHER; # used only during reload
2864		4172
2865	sub reload_perl() {	4173	sub reload_perl() {
2866	# doing reload synchronously and two reloads happen back-to-back,	4174	# doing reload synchronously and two reloads happen back-to-back,
2867	# coro crashes during coro_state_free->destroy here.	4175	# coro crashes during coro_state_free->destroy here.
2868		4176
2869	$RELOAD_WATCHER ||= Event->timer (	4177	$RELOAD_WATCHER ||= cf::async {
2870	reentrant => 0,	4178	Coro::AIO::aio_wait cache_extensions;
2871	after => 0,	4179
2872	data => WF_AUTOCANCEL,	4180	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2873	cb => sub {
2874	do_reload_perl;	4181	do_reload_perl;
2875	undef $RELOAD_WATCHER;	4182	undef $RELOAD_WATCHER;
2876	},	4183	};
2877	);	4184	};
2878	}	4185	}
2879		4186
2880	register_command "reload" => sub {	4187	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	4188	my ($who, $arg) = @_;
2882		4189
2883	if ($who->flag (FLAG_WIZ)) {	4190	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	4191	$who->message ("reloading server.");
		4192	async {
		4193	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	4194	reload_perl;
		4195	};
2886	}	4196	}
2887	};	4197	};
2888		4198
2889	unshift @INC, $LIBDIR;	4199	#############################################################################
2890		4200
2891	my $bug_warning = 0;	4201	my $bug_warning = 0;
2892		4202
2893	our @WAIT_FOR_TICK;
2894	our @WAIT_FOR_TICK_BEGIN;
2895
2896	sub wait_for_tick {	4203	sub wait_for_tick() {
2897	return unless $TICK_WATCHER->is_active;	4204	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2898	return if $Coro::current == $Coro::main;
2899		4205
2900	my $signal = new Coro::Signal;	4206	$WAIT_FOR_TICK->wait;
2901	push @WAIT_FOR_TICK, $signal;
2902	$signal->wait;
2903	}	4207	}
2904		4208
2905	sub wait_for_tick_begin {	4209	sub wait_for_tick_begin() {
2906	return unless $TICK_WATCHER->is_active;	4210	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2907	return if $Coro::current == $Coro::main;
2908		4211
2909	my $signal = new Coro::Signal;	4212	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	4213	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	4214	$signal->wait;
2912	}	4215	}
2913		4216
2914	my $min = 1e6;#d#	4217	sub tick {
2915	my $avg = 10;
2916	$TICK_WATCHER = Event->timer (
2917	reentrant => 0,
2918	parked => 1,
2919	prio => 0,
2920	at => $NEXT_TICK || $TICK,
2921	data => WF_AUTOCANCEL,
2922	cb => sub {
2923	if ($Coro::current != $Coro::main) {	4218	if ($Coro::current != $Coro::main) {
2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4219	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925	unless ++$bug_warning > 10;	4220	unless ++$bug_warning > 10;
2926	return;	4221	return;
2927	}	4222	}
2928		4223
2929	$NOW = $tick_start = Event::time;	4224	cf::one_tick; # one server iteration
2930		4225
2931	cf::server_tick; # one server iteration	4226	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2932		4227
2933	0 && sync_job {#d#	4228	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2934	for(1..10) {	4229	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2935	my $t = Event::time;	4230	Coro::async_pool {
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4231	$Coro::current->{desc} = "runtime saver";
2937	or die;	4232	write_runtime_sync
2938		4233	or error "ERROR: unable to write runtime file: $!";
2939	$map->width (50);
2940	$map->height (50);
2941	$map->alloc;
2942	$map->_load_objects ("/tmp/x.map", 1);
2943	my $t = Event::time - $t;
2944
2945	#next unless $t < 0.0013;#d#
2946	if ($t < $min) {
2947	$min = $t;
2948	}
2949	$avg = $avg * 0.99 + $t * 0.01;
2950	}
2951	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2952	exit 0;
2953	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2954	};	4234	};
		4235	}
2955		4236
2956	$RUNTIME += $TICK;
2957	$NEXT_TICK += $TICK;
2958
2959	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2960	$NEXT_RUNTIME_WRITE = $NOW + 10;
2961	Coro::async_pool {
2962	write_runtime
2963	or warn "ERROR: unable to write runtime file: $!";
2964	};
2965	}
2966
2967	# my $AFTER = Event::time;
2968	# warn $AFTER - $NOW;#d#
2969
2970	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4237	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	4238	$sig->send;
2972	}	4239	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	4240	$WAIT_FOR_TICK->broadcast;
2974	$sig->send;
2975	}
2976		4241
2977	$NOW = Event::time;	4242	$LOAD = ($NOW - $TICK_START) / $TICK;
2978
2979	# if we are delayed by four ticks or more, skip them all
2980	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2981
2982	$TICK_WATCHER->at ($NEXT_TICK);
2983	$TICK_WATCHER->start;
2984
2985	$LOAD = ($NOW - $tick_start) / $TICK;
2986	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4243	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		4244
2988	_post_tick;	4245	if (0) {
2989		4246	if ($NEXT_TICK) {
2990		4247	my $jitter = $TICK_START - $NEXT_TICK;
		4248	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4249	debug "jitter $JITTER\n";#d#
		4250	}
2991	},	4251	}
2992	);	4252	}
2993		4253
2994	{	4254	{
2995	BDB::max_poll_time $TICK * 0.1;	4255	# configure BDB
2996	$BDB_POLL_WATCHER = Event->io (	4256	info "initialising database";
2997	reentrant => 0,	4257
2998	fd => BDB::poll_fileno,
2999	poll => 'r',
3000	prio => 0,
3001	data => WF_AUTOCANCEL,
3002	cb => \&BDB::poll_cb,
3003	);
3004	BDB::min_parallel 8;	4258	BDB::min_parallel 16;
3005		4259	BDB::max_poll_reqs $TICK * 0.1;
3006	BDB::set_sync_prepare {	4260	#$AnyEvent::BDB::WATCHER->priority (1);
3007	my $status;
3008	my $current = $Coro::current;
3009	(
3010	sub {
3011	$status = $!;
3012	$current->ready; undef $current;
3013	},
3014	sub {
3015	Coro::schedule while defined $current;
3016	$! = $status;
3017	},
3018	)
3019	};
3020		4261
3021	unless ($DB_ENV) {	4262	unless ($DB_ENV) {
3022	$DB_ENV = BDB::db_env_create;	4263	$DB_ENV = BDB::db_env_create;
		4264	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4265	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4266	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4267	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4268	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023		4269
3024	cf::sync_job {	4270	cf::sync_job {
3025	eval {	4271	eval {
3026	BDB::db_env_open	4272	BDB::db_env_open
3027	$DB_ENV,	4273	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4275	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4276	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	4277	0666;
3032		4278
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4279	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3034
3035	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3036	$DB_ENV->set_lk_detect;
3037	};	4280	};
3038		4281
3039	cf::cleanup "db_env_open(db): $@" if $@;	4282	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	4283	};
3041	}	4284	}
		4285
		4286	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4287	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4288	};
		4289	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4290	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4291	};
		4292	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4293	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4294	};
		4295
		4296	info "database initialised";
3042	}	4297	}
3043		4298
3044	{	4299	{
		4300	# configure IO::AIO
		4301
		4302	info "initialising aio";
3045	IO::AIO::min_parallel 8;	4303	IO::AIO::min_parallel 8;
3046
3047	undef $Coro::AIO::WATCHER;
3048	IO::AIO::max_poll_time $TICK * 0.1;	4304	IO::AIO::max_poll_time $TICK * 0.1;
3049	$AIO_POLL_WATCHER = Event->io (	4305	undef $AnyEvent::AIO::WATCHER;
3050	reentrant => 0,	4306	info "aio initialised";
3051	data => WF_AUTOCANCEL,
3052	fd => IO::AIO::poll_fileno,
3053	poll => 'r',
3054	prio => 6,
3055	cb => \&IO::AIO::poll_cb,
3056	);
3057	}	4307	}
3058		4308
3059	my $_log_backtrace;	4309	our $_log_backtrace;
		4310	our $_log_backtrace_last;
3060		4311
3061	sub _log_backtrace {	4312	sub _log_backtrace {
3062	my ($msg, @addr) = @_;	4313	my ($msg, @addr) = @_;
3063		4314
3064	$msg =~ s/\n//;	4315	$msg =~ s/\n$//;
3065		4316
		4317	if ($_log_backtrace_last eq $msg) {
		4318	LOG llevInfo, "[ABT] $msg\n";
		4319	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3066	# limit the # of concurrent backtraces	4320	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	4321	} elsif ($_log_backtrace < 2) {
		4322	$_log_backtrace_last = $msg;
3068	++$_log_backtrace;	4323	++$_log_backtrace;
		4324	my $perl_bt = Carp::longmess $msg;
3069	async {	4325	async {
		4326	$Coro::current->{desc} = "abt $msg";
		4327
3070	my @bt = fork_call {	4328	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	4329	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4330	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4331	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074	or die "addr2line: $!";	4332	or die "addr2line: $!";
…		…
3082	}	4340	}
3083		4341
3084	@funcs	4342	@funcs
3085	};	4343	};
3086		4344
3087	LOG llevInfo, "[ABT] $msg\n";	4345	LOG llevInfo, "[ABT] $perl_bt\n";
		4346	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3088	LOG llevInfo, "[ABT] $_\n" for @bt;	4347	LOG llevInfo, "[ABT] $_\n" for @bt;
3089	--$_log_backtrace;	4348	--$_log_backtrace;
3090	};	4349	};
3091	} else {	4350	} else {
3092	LOG llevInfo, "[ABT] $msg\n";	4351	LOG llevInfo, "[ABT] $msg\n";
3093	LOG llevInfo, "[ABT] [suppressed]\n";	4352	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3094	}	4353	}
3095	}	4354	}
3096		4355
3097	# load additional modules	4356	# load additional modules
3098	use cf::pod;	4357	require "cf/$_.pm" for @EXTRA_MODULES;
		4358	cf::_connect_to_perl_2;
3099		4359
3100	END { cf::emergency_save }	4360	END { cf::emergency_save }
3101		4361
3102	1	4362	1
3103		4363

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