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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.280 by root, Sat Jun 16 14:35:41 2007 UTC vs.
Revision 1.598 by root, Sun Nov 11 02:38:10 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;
32	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
33		67
34	# configure various modules to our taste	68	# configure various modules to our taste
35	#	69	#
36	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	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	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		78
40	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
41		80	$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		81
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
48		85
49	our %COMMAND = ();	86	our %COMMAND = ();
50	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
51		88
52	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
56		96
57	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
59		101
60	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
61	our $DATADIR = datadir;	104	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
65	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
71		125
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	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	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
77	our $NOW;	144	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		145
80	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	147	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	148	our $LINK_MAP; # the special {link} map, which is always available
91		149
92	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		152
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
98		165
99	binmode STDOUT;	166	binmode STDOUT;
100	binmode STDERR;	167	binmode STDERR;
101		168
102	# read virtual server time, if available	169	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
107	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
108		177
109	mkdir $_	178	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		180
112	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
113		182
114	sub cf::map::normalise;	183	sub cf::map::normalise;
115		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
116	#############################################################################	189	#############################################################################
117		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
118	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
119		203
120	=over 4	204	=over 4
121		205
122	=item $cf::UPTIME	206	=item $cf::UPTIME
123		207
124	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
125		224
126	=item $cf::RUNTIME	225	=item $cf::RUNTIME
127		226
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	228	every server tick.
130		229
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		233
135	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
138	database environment.	237	database environment.
139		238
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	239	=item $cf::LOADAVG
149		240
150	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
155		246
156	The raw value load value from the last tick.	247	The raw value load value from the last tick.
157		248
158	=item %cf::CFG	249	=item %cf::CFG
159		250
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	252	from wherever your confdir points to.
162		253
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		255
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	257	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	258	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		259
		260	Note that cf::Wait_for_tick will immediately return when the server is not
		261	ticking, making it suitable for small pauses in threads that need to run
		262	when the server is paused. If that is not applicable (i.e. you I<really>
		263	want to wait, use C<$cf::WAIT_FOR_TICK>).
		264
		265	=item $cf::WAIT_FOR_TICK
		266
		267	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		268	variable contains a L<Coro::Signal> that is broadcats after every server
		269	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		270	next server tick.
		271
		272	=cut
		273
		274	sub wait_for_tick();
		275	sub wait_for_tick_begin();
		276
		277	=item @cf::INVOKE_RESULTS
		278
		279	This array contains the results of the last C<invoke ()> call. When
		280	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		281	that call.
		282
		283	=item %cf::REFLECT
		284
		285	Contains, for each (C++) class name, a hash reference with information
		286	about object members (methods, scalars, arrays and flags) and other
		287	metadata, which is useful for introspection.
		288
169	=back	289	=back
170		290
171	=cut	291	=cut
172		292
173	BEGIN {	293	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	294	sub warn (@) { LOG llevWarn , join "", @_ }
		295	sub info (@) { LOG llevInfo , join "", @_ }
		296	sub debug(@) { LOG llevDebug, join "", @_ }
		297	sub trace(@) { LOG llevTrace, join "", @_ }
		298
		299	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	300	my $msg = join "", @_;
176		301
177	$msg .= "\n"	302	$msg .= "\n"
178	unless $msg =~ /\n$/;	303	unless $msg =~ /\n$/;
179		304
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	305	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		306
182	utf8::encode $msg;
183	LOG llevError, $msg;	307	LOG llevWarn, $msg;
184	};	308	};
185	}	309
		310	$Coro::State::DIEHOOK = sub {
		311	return unless $^S eq 0; # "eq", not "=="
		312
		313	error Carp::longmess $_[0];
		314
		315	if (in_main) {#d#
		316	error "DIEHOOK called in main context, Coro bug?\n";#d#
		317	return;#d#
		318	}#d#
		319
		320	# kill coroutine otherwise
		321	Coro::terminate
		322	};
186		323
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	324	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	325	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	326	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	327	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	334	for my $pkg (qw(
198	cf::global cf::attachable	335	cf::global cf::attachable
199	cf::object cf::object::player	336	cf::object cf::object::player
200	cf::client cf::player	337	cf::client cf::player
201	cf::arch cf::living	338	cf::arch cf::living
		339	cf::map cf::mapspace
202	cf::map cf::party cf::region	340	cf::party cf::region
203	)) {	341	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	342	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	343	}
207		344
208	$Event::DIED = sub {	345	$EV::DIED = sub {
209	warn "error in event callback: @_";	346	warn "error in event callback: $@";
210	};	347	};
		348
		349	#############################################################################
		350
		351	sub fork_call(&@);
		352	sub get_slot($;$$);
		353
		354	#############################################################################
211		355
212	=head2 UTILITY FUNCTIONS	356	=head2 UTILITY FUNCTIONS
213		357
214	=over 4	358	=over 4
215		359
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	378	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	379	$d
236	} || "[unable to dump $_[0]: '$@']";	380	} || "[unable to dump $_[0]: '$@']";
237	}	381	}
238		382
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	383	=item $scalar = cf::load_file $path
240		384
		385	Loads the given file from path and returns its contents. Croaks on error
		386	and can block.
		387
		388	=cut
		389
		390	sub load_file($) {
		391	0 <= aio_load $_[0], my $data
		392	or Carp::croak "$_[0]: $!";
		393
		394	$data
		395	}
		396
		397	=item $success = cf::replace_file $path, $data, $sync
		398
		399	Atomically replaces the file at the given $path with new $data, and
		400	optionally $sync the data to disk before replacing the file.
		401
		402	=cut
		403
		404	sub replace_file($$;$) {
		405	my ($path, $data, $sync) = @_;
		406
		407	my $lock = cf::lock_acquire ("replace_file:$path");
		408
		409	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		410	or return;
		411
		412	$data = $data->() if ref $data;
		413
		414	length $data == aio_write $fh, 0, (length $data), $data, 0
		415	or return;
		416
		417	!$sync
		418	or !aio_fsync $fh
		419	or return;
		420
		421	aio_close $fh
		422	and return;
		423
		424	aio_rename "$path~", $path
		425	and return;
		426
		427	if ($sync) {
		428	$path =~ s%/[^/]*$%%;
		429	aio_pathsync $path;
		430	}
		431
		432	1
		433	}
		434
241	=item $ref = cf::from_json $json	435	=item $ref = cf::decode_json $json
242		436
243	Converts a JSON string into the corresponding perl data structure.	437	Converts a JSON string into the corresponding perl data structure.
244		438
245	=item $json = cf::to_json $ref	439	=item $json = cf::encode_json $ref
246		440
247	Converts a perl data structure into its JSON representation.	441	Converts a perl data structure into its JSON representation.
248		442
		443	=cut
		444
		445	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		446
		447	sub encode_json($) { $json_coder->encode ($_[0]) }
		448	sub decode_json($) { $json_coder->decode ($_[0]) }
		449
		450	=item $ref = cf::decode_storable $scalar
		451
		452	Same as Coro::Storable::thaw, so blocks.
		453
		454	=cut
		455
		456	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		457
		458	=item $ref = cf::decode_yaml $scalar
		459
		460	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		461
		462	=cut
		463
		464	sub decode_yaml($) {
		465	fork_call { YAML::XS::Load $_[0] } @_
		466	}
		467
		468	=item $scalar = cf::unlzf $scalar
		469
		470	Same as Compress::LZF::compress, but takes server ticks into account, so
		471	blocks.
		472
		473	=cut
		474
		475	sub unlzf($) {
		476	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		477	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		478	Compress::LZF::decompress $_[0]
		479	}
		480
		481	=item cf::post_init { BLOCK }
		482
		483	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		484	but I<before> the server starts ticking again.
		485
		486	The codeblock will have a single boolean argument to indicate whether this
		487	is a reload or not.
		488
		489	=cut
		490
		491	sub post_init(&) {
		492	push @POST_INIT, shift;
		493	}
		494
		495	sub _post_init {
		496	trace "running post_init jobs";
		497
		498	# run them in parallel...
		499
		500	my @join;
		501
		502	while () {
		503	push @join, map &Coro::async ($_, 0), @POST_INIT;
		504	@POST_INIT = ();
		505
		506	@join or last;
		507
		508	(pop @join)->join;
		509	}
		510	}
		511
249	=item cf::lock_wait $string	512	=item cf::lock_wait $string
250		513
251	Wait until the given lock is available. See cf::lock_acquire.	514	Wait until the given lock is available. See cf::lock_acquire.
252		515
253	=item my $lock = cf::lock_acquire $string	516	=item my $lock = cf::lock_acquire $string
254		517
255	Wait until the given lock is available and then acquires it and returns	518	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,	519	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	520	for example when the coroutine gets canceled), the lock is automatically
258	returned.	521	returned.
259		522
		523	Locks are *not* recursive, locking from the same coro twice results in a
		524	deadlocked coro.
		525
260	Lock names should begin with a unique identifier (for example, cf::map::find	526	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	527	uses map_find and cf::map::load uses map_load).
262		528
263	=item $locked = cf::lock_active $string	529	=item $locked = cf::lock_active $string
264		530
265	Return true if the lock is currently active, i.e. somebody has locked it.	531	Return true if the lock is currently active, i.e. somebody has locked it.
266		532
267	=cut	533	=cut
268		534
269	our %LOCK;	535	our $LOCKS = new Coro::SemaphoreSet;
270		536
271	sub lock_wait($) {	537	sub lock_wait($) {
272	my ($key) = @_;	538	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	539	}
280		540
281	sub lock_acquire($) {	541	sub lock_acquire($) {
282	my ($key) = @_;	542	$LOCKS->guard ($_[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	}	543	}
294		544
295	sub lock_active($) {	545	sub lock_active($) {
296	my ($key) = @_;	546	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	547	}
300		548
301	sub freeze_mainloop {	549	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	550	tick_inhibit_inc;
303		551
304	my $guard = Coro::guard {	552	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	553	}
		554
		555	=item cf::periodic $interval, $cb
		556
		557	Like EV::periodic, but randomly selects a starting point so that the actions
		558	get spread over time.
		559
		560	=cut
		561
		562	sub periodic($$) {
		563	my ($interval, $cb) = @_;
		564
		565	my $start = rand List::Util::min 180, $interval;
		566
		567	EV::periodic $start, $interval, 0, $cb
		568	}
		569
		570	=item cf::get_slot $time[, $priority[, $name]]
		571
		572	Allocate $time seconds of blocking CPU time at priority C<$priority>
		573	(default: 0): This call blocks and returns only when you have at least
		574	C<$time> seconds of cpu time till the next tick. The slot is only valid
		575	till the next cede.
		576
		577	Background jobs should use a priority les than zero, interactive jobs
		578	should use 100 or more.
		579
		580	The optional C<$name> can be used to identify the job to run. It might be
		581	used for statistical purposes and should identify the same time-class.
		582
		583	Useful for short background jobs.
		584
		585	=cut
		586
		587	our @SLOT_QUEUE;
		588	our $SLOT_QUEUE;
		589	our $SLOT_DECAY = 0.9;
		590
		591	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		592	$SLOT_QUEUE = Coro::async {
		593	$Coro::current->desc ("timeslot manager");
		594
		595	my $signal = new Coro::Signal;
		596	my $busy;
		597
		598	while () {
		599	next_job:
		600
		601	my $avail = cf::till_tick;
		602
		603	for (0 .. $#SLOT_QUEUE) {
		604	if ($SLOT_QUEUE[$_][0] <= $avail) {
		605	$busy = 0;
		606	my $job = splice @SLOT_QUEUE, $_, 1, ();
		607	$job->[2]->send;
		608	Coro::cede;
		609	goto next_job;
		610	} else {
		611	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		612	}
		613	}
		614
		615	if (@SLOT_QUEUE) {
		616	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		617	$WAIT_FOR_TICK->wait;
		618	} else {
		619	$busy = 0;
		620	Coro::schedule;
		621	}
306	};	622	}
307	$TICK_WATCHER->stop;	623	};
308	$guard	624
		625	sub get_slot($;$$) {
		626	return if tick_inhibit || $Coro::current == $Coro::main;
		627
		628	my ($time, $pri, $name) = @_;
		629
		630	$time = clamp $time, 0.01, $TICK * .6;
		631
		632	my $sig = new Coro::Signal;
		633
		634	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		635	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		636	$SLOT_QUEUE->ready;
		637	$sig->wait;
309	}	638	}
310		639
311	=item cf::async { BLOCK }	640	=item cf::async { BLOCK }
312		641
313	Currently the same as Coro::async_pool, meaning you cannot use	642	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		647
319	BEGIN { *async = \&Coro::async_pool }	648	BEGIN { *async = \&Coro::async_pool }
320		649
321	=item cf::sync_job { BLOCK }	650	=item cf::sync_job { BLOCK }
322		651
323	The design of crossfire+ requires that the main coro ($Coro::main) is	652	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	653	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	654	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		655	acceptable.
326		656
327	If it must be done, put the blocking parts into C<sync_job>. This will run	657	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	658	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	659	server will be frozen during this time, so the block should either finish
330	fast or be very important.	660	fast or be very important.
…		…
332	=cut	662	=cut
333		663
334	sub sync_job(&) {	664	sub sync_job(&) {
335	my ($job) = @_;	665	my ($job) = @_;
336		666
337	if ($Coro::current == $Coro::main) {	667	if (in_main) {
338	my $time = Event::time;	668	my $time = AE::time;
339		669
340	# this is the main coro, too bad, we have to block	670	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	671	# till the operation succeeds, freezing the server :/
342		672
343	# TODO: use suspend/resume instead	673	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	674
345	my $freeze_guard = freeze_mainloop;	675	my $freeze_guard = freeze_mainloop;
346		676
347	my $busy = 1;	677	my $busy = 1;
348	my @res;	678	my @res;
349		679
350	(async {	680	(async {
		681	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	682	@res = eval { $job->() };
352	warn $@ if $@;	683	error $@ if $@;
353	undef $busy;	684	undef $busy;
354	})->prio (Coro::PRIO_MAX);	685	})->prio (Coro::PRIO_MAX);
355		686
356	while ($busy) {	687	while ($busy) {
357	Coro::cede or Event::one_event;	688	if (Coro::nready) {
		689	Coro::cede_notself;
		690	} else {
		691	EV::loop EV::LOOP_ONESHOT;
358	}	692	}
		693	}
359		694
360	$time = Event::time - $time;	695	my $time = AE::time - $time;
361		696
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	697	$TICK_START += $time; # do not account sync jobs to server load
366		698
367	wantarray ? @res : $res[0]	699	wantarray ? @res : $res[0]
368	} else {	700	} else {
369	# we are in another coroutine, how wonderful, everything just works	701	# we are in another coroutine, how wonderful, everything just works
370		702
…		…
390	$EXT_CORO{$coro+0} = $coro;	722	$EXT_CORO{$coro+0} = $coro;
391		723
392	$coro	724	$coro
393	}	725	}
394		726
395	sub write_runtime {	727	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		728
398	# first touch the runtime file to show we are still running:	729	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	730	process, returning the results. Everything must be serialisable with
		731	Coro::Storable. May, of course, block. Note that the executed sub may
		732	never block itself or use any form of event handling.
400		733
401	IO::AIO::aio_utime $runtime, undef, undef;	734	=cut
402		735
403	my $guard = cf::lock_acquire "write_runtime";	736	sub post_fork {
		737	reset_signals;
		738	}
404		739
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	740	sub fork_call(&@) {
406	or return;	741	my ($cb, @args) = @_;
407		742
408	my $value = $cf::RUNTIME + 90 + 10;	743	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	744	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	745	# TODO: investigate and fix (likely this will be rather laborious)
411		746
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	747	my @res = Coro::Util::fork_eval {
413	and return;	748	cf::post_fork;
		749	&$cb
		750	} @args;
414		751
415	# always fsync - this file is important	752	wantarray ? @res : $res[-1]
416	aio_fsync $fh	753	}
417	and return;
418		754
419	# touch it again to show we are up-to-date	755	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	756	(
		757	"counter value" => cf::object::object_count,
		758	"objects created" => cf::object::create_count,
		759	"objects destroyed" => cf::object::destroy_count,
		760	"freelist size" => cf::object::free_count,
		761	"allocated objects" => cf::object::objects_size,
		762	"active objects" => cf::object::actives_size,
		763	)
		764	}
		765
		766	=item $coin = coin_from_name $name
		767
		768	=cut
		769
		770	our %coin_alias = (
		771	"silver" => "silvercoin",
		772	"silvercoin" => "silvercoin",
		773	"silvercoins" => "silvercoin",
		774	"gold" => "goldcoin",
		775	"goldcoin" => "goldcoin",
		776	"goldcoins" => "goldcoin",
		777	"platinum" => "platinacoin",
		778	"platinumcoin" => "platinacoin",
		779	"platinumcoins" => "platinacoin",
		780	"platina" => "platinacoin",
		781	"platinacoin" => "platinacoin",
		782	"platinacoins" => "platinacoin",
		783	"royalty" => "royalty",
		784	"royalties" => "royalty",
		785	);
		786
		787	sub coin_from_name($) {
		788	$coin_alias{$_[0]}
		789	? cf::arch::find $coin_alias{$_[0]}
		790	: undef
		791	}
		792
		793	=item $value = cf::db_get $family => $key
		794
		795	Returns a single value from the environment database.
		796
		797	=item cf::db_put $family => $key => $value
		798
		799	Stores the given C<$value> in the family. It can currently store binary
		800	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		801
		802	=item $db = cf::db_table "name"
		803
		804	Create and/or open a new database table. The string must not be "db" and must be unique
		805	within each server.
		806
		807	=cut
		808
		809	sub db_table($) {
		810	cf::error "db_get called from main context"
		811	if $Coro::current == $Coro::main;
		812
		813	my ($name) = @_;
		814	my $db = BDB::db_create $DB_ENV;
		815
		816	eval {
		817	$db->set_flags (BDB::CHKSUM);
		818
		819	utf8::encode $name;
		820	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		821	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		822	cf::cleanup "db_open(db): $!" if $!;
		823	};
		824	cf::cleanup "db_open(db): $@" if $@;
		825
		826	$db
		827	}
		828
		829	our $DB;
		830
		831	sub db_init {
		832	$DB ||= db_table "db";
		833	}
		834
		835	sub db_get($$) {
		836	my $key = "$_[0]/$_[1]";
		837
		838	cf::error "db_get called from main context"
		839	if $Coro::current == $Coro::main;
		840
		841	BDB::db_get $DB, undef, $key, my $data;
		842
		843	$! ? ()
		844	: $data
		845	}
		846
		847	sub db_put($$$) {
		848	BDB::dbreq_pri 4;
		849	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		850	}
		851
		852	=item cf::cache $id => [$paths...], $processversion => $process
		853
		854	Generic caching function that returns the value of the resource $id,
		855	caching and regenerating as required.
		856
		857	This function can block.
		858
		859	=cut
		860
		861	sub cache {
		862	my ($id, $src, $processversion, $process) = @_;
		863
		864	my $meta =
		865	join "\x00",
		866	$processversion,
		867	map {
		868	aio_stat $_
		869	and Carp::croak "$_: $!";
		870
		871	($_, (stat _)[7,9])
		872	} @$src;
		873
		874	my $dbmeta = db_get cache => "$id/meta";
		875	if ($dbmeta ne $meta) {
		876	# changed, we may need to process
		877
		878	my @data;
		879	my $md5;
		880
		881	for (0 .. $#$src) {
		882	$data[$_] = load_file $src->[$_];
		883	}
		884
		885	# if processing is expensive, check
		886	# checksum first
		887	if (1) {
		888	$md5 =
		889	join "\x00",
		890	$processversion,
		891	map {
		892	cf::cede_to_tick;
		893	($src->[$_], Digest::MD5::md5_hex $data[$_])
		894	} 0.. $#$src;
		895
		896
		897	my $dbmd5 = db_get cache => "$id/md5";
		898	if ($dbmd5 eq $md5) {
		899	db_put cache => "$id/meta", $meta;
		900
		901	return db_get cache => "$id/data";
		902	}
		903	}
		904
		905	my $t1 = EV::time;
		906	my $data = $process->(\@data);
		907	my $t2 = EV::time;
		908
		909	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		910
		911	db_put cache => "$id/data", $data;
		912	db_put cache => "$id/md5" , $md5;
		913	db_put cache => "$id/meta", $meta;
		914
		915	return $data;
		916	}
		917
		918	db_get cache => "$id/data"
431	}	919	}
432		920
433	=item cf::datalog type => key => value, ...	921	=item cf::datalog type => key => value, ...
434		922
435	Log a datalog packet of the given type with the given key-value pairs.	923	Log a datalog packet of the given type with the given key-value pairs.
436		924
437	=cut	925	=cut
438		926
439	sub datalog($@) {	927	sub datalog($@) {
440	my ($type, %kv) = @_;	928	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	929	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	930	}
443		931
444	=back	932	=back
445		933
446	=cut	934	=cut
447		935
448	#############################################################################	936	#############################################################################
449		937
450	=head2 ATTACHABLE OBJECTS	938	=head2 ATTACHABLE OBJECTS
451		939
452	Many objects in crossfire are so-called attachable objects. That means you can	940	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")	941	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	942	to it. All such attachable objects support the following methods.
455		943
456	In the following description, CLASS can be any of C<global>, C<object>	944	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	945	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	946	Deliantra).
459		947
460	=over 4	948	=over 4
461		949
462	=item $attachable->attach ($attachment, key => $value...)	950	=item $attachable->attach ($attachment, key => $value...)
463		951
…		…
507	=item cf::CLASS::attachment $name, ...	995	=item cf::CLASS::attachment $name, ...
508		996
509	Register an attachment by C<$name> through which attachable objects of the	997	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	998	given CLASS can refer to this attachment.
511		999
512	Some classes such as crossfire maps and objects can specify attachments	1000	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.	1001	that are attached at load/instantiate time, thus the need for a name.
514		1002
515	These calls expect any number of the following handler/hook descriptions:	1003	These calls expect any number of the following handler/hook descriptions:
516		1004
517	=over 4	1005	=over 4
…		…
641		1129
642	} elsif (exists $cb_id{$type}) {	1130	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1131	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1132
645	} elsif (ref $type) {	1133	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1134	error "attaching objects not supported, ignoring.\n";
647		1135
648	} else {	1136	} else {
649	shift @arg;	1137	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1138	error "attach argument '$type' not supported, ignoring.\n";
651	}	1139	}
652	}	1140	}
653	}	1141	}
654		1142
655	sub _object_attach {	1143	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1153	_attach $registry, $klass, @attach;
666	}	1154	}
667		1155
668	$obj->{$name} = \%arg;	1156	$obj->{$name} = \%arg;
669	} else {	1157	} else {
670	warn "object uses attachment '$name' which is not available, postponing.\n";	1158	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1159	}
672		1160
673	$obj->{_attachment}{$name} = undef;	1161	$obj->{_attachment}{$name} = undef;
674	}	1162	}
675		1163
…		…
715	";	1203	";
716	die if $@;	1204	die if $@;
717	}	1205	}
718		1206
719	our $override;	1207	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1208	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1209
722	sub override {	1210	sub override {
723	$override = 1;	1211	$override = 1;
724	@invoke_results = ();	1212	@INVOKE_RESULTS = (@_);
725	}	1213	}
726		1214
727	sub do_invoke {	1215	sub do_invoke {
728	my $event = shift;	1216	my $event = shift;
729	my $callbacks = shift;	1217	my $callbacks = shift;
730		1218
731	@invoke_results = ();	1219	@INVOKE_RESULTS = ();
732		1220
733	local $override;	1221	local $override;
734		1222
735	for (@$callbacks) {	1223	for (@$callbacks) {
736	eval { &{$_->[1]} };	1224	eval { &{$_->[1]} };
737		1225
738	if ($@) {	1226	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1227	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1228	override;
742	}	1229	}
743		1230
744	return 1 if $override;	1231	return 1 if $override;
745	}	1232	}
746		1233
747	0	1234	0
748	}	1235	}
749		1236
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1237	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1238
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1239	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1240
754	Generate an object-specific event with the given arguments.	1241	Generate an object-specific event with the given arguments.
755		1242
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1243	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	1244	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1245	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1246
760	=back	1247	=back
761		1248
762	=cut	1249	=cut
763		1250
764	#############################################################################	1251	#############################################################################
765	# object support	1252	# object support
		1253
		1254	sub _object_equal($$);
		1255	sub _object_equal($$) {
		1256	my ($a, $b) = @_;
		1257
		1258	return 0 unless (ref $a) eq (ref $b);
		1259
		1260	if ("HASH" eq ref $a) {
		1261	my @ka = keys %$a;
		1262	my @kb = keys %$b;
		1263
		1264	return 0 if @ka != @kb;
		1265
		1266	for (0 .. $#ka) {
		1267	return 0 unless $ka[$_] eq $kb[$_];
		1268	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1269	}
		1270
		1271	} elsif ("ARRAY" eq ref $a) {
		1272
		1273	return 0 if @$a != @$b;
		1274
		1275	for (0 .. $#$a) {
		1276	return 0 unless _object_equal $a->[$_], $b->[$_];
		1277	}
		1278
		1279	} elsif ($a ne $b) {
		1280	return 0;
		1281	}
		1282
		1283	1
		1284	}
		1285
		1286	our $SLOW_MERGES;#d#
		1287	sub _can_merge {
		1288	my ($ob1, $ob2) = @_;
		1289
		1290	++$SLOW_MERGES;#d#
		1291
		1292	# we do the slow way here
		1293	return _object_equal $ob1, $ob2
		1294	}
766		1295
767	sub reattach {	1296	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1297	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1298	my ($obj) = @_;
770		1299
		1300	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1301	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1302
773	my $registry = $obj->registry;	1303	my $registry = $obj->registry;
774		1304
775	@$registry = ();	1305	@$registry = ();
776		1306
…		…
781	for (@$attach) {	1311	for (@$attach) {
782	my ($klass, @attach) = @$_;	1312	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1313	_attach $registry, $klass, @attach;
784	}	1314	}
785	} else {	1315	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1316	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1317	}
788	}	1318	}
789	}	1319	}
790		1320
791	cf::attachable->attach (	1321	cf::attachable->attach (
792	prio => -1000000,	1322	prio => -1000000,
793	on_instantiate => sub {	1323	on_instantiate => sub {
794	my ($obj, $data) = @_;	1324	my ($obj, $data) = @_;
795		1325
796	$data = from_json $data;	1326	$data = decode_json $data;
797		1327
798	for (@$data) {	1328	for (@$data) {
799	my ($name, $args) = @$_;	1329	my ($name, $args) = @$_;
800		1330
801	$obj->attach ($name, %{$args || {} });	1331	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1347	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1348	my ($filename, $rdata, $objs) = @_;
819		1349
820	sync_job {	1350	sync_job {
821	if (length $$rdata) {	1351	if (length $$rdata) {
		1352	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1353	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1354	$decname, length $$rdata, scalar @$objs
		1355	if $VERBOSE_IO;
824		1356
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1357	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1358	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1359	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1360	if ($cf::USE_FSYNC) {
		1361	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;
		1362	aio_fsync $fh;
		1363	}
829	close $fh;	1364	aio_close $fh;
830		1365
831	if (@$objs) {	1366	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1367	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1368	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1369	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1370	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1371	if ($cf::USE_FSYNC) {
		1372	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;
		1373	aio_fsync $fh;
		1374	}
837	close $fh;	1375	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1376	aio_rename "$filename.pst~", "$filename.pst";
839	}	1377	}
840	} else {	1378	} else {
841	aio_unlink "$filename.pst";	1379	aio_unlink "$filename.pst";
842	}	1380	}
843		1381
844	aio_rename "$filename~", $filename;	1382	aio_rename "$filename~", $filename;
		1383
		1384	$filename =~ s%/[^/]+$%%;
		1385	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1386	} else {
846	warn "FATAL: $filename~: $!\n";	1387	error "unable to save objects: $filename~: $!\n";
847	}	1388	}
848	} else {	1389	} else {
849	aio_unlink $filename;	1390	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
851	}	1392	}
852	}	1393	};
853	}	1394	}
854		1395
855	sub object_freezer_as_string {	1396	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1397	my ($rdata, $objs) = @_;
857		1398
…		…
869	or return;	1410	or return;
870		1411
871	unless (aio_stat "$filename.pst") {	1412	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1413	(aio_load "$filename.pst", $av) >= 0
873	or return;	1414	or return;
		1415
874	$av = eval { (Storable::thaw $av)->{objs} };	1416	my $st = eval { Coro::Storable::thaw $av };
		1417	$av = $st->{objs};
875	}	1418	}
876		1419
		1420	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1421	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1422	$decname, length $data, scalar @{$av || []}
		1423	if $VERBOSE_IO;
		1424
879	return ($data, $av);	1425	($data, $av)
880	}	1426	}
		1427
		1428	=head2 COMMAND CALLBACKS
		1429
		1430	=over 4
		1431
		1432	=cut
881		1433
882	#############################################################################	1434	#############################################################################
883	# command handling &c	1435	# command handling &c
884		1436
885	=item cf::register_command $name => \&callback($ob,$args);	1437	=item cf::register_command $name => \&callback($ob,$args)
886		1438
887	Register a callback for execution when the client sends the user command	1439	Register a callback for execution when the client sends the user command
888	$name.	1440	$name.
889		1441
890	=cut	1442	=cut
…		…
896	#warn "registering command '$name/$time' to '$caller'";	1448	#warn "registering command '$name/$time' to '$caller'";
897		1449
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1450	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1451	}
900		1452
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1453	=item cf::register_extcmd $name => \&callback($pl,@args)
902		1454
903	Register a callbackf ro execution when the client sends an extcmd packet.	1455	Register a callback for execution when the client sends an (synchronous)
		1456	extcmd packet. Ext commands will be processed in the order they are
		1457	received by the server, like other user commands. The first argument is
		1458	the logged-in player. Ext commands can only be processed after a player
		1459	has logged in successfully.
904		1460
905	If the callback returns something, it is sent back as if reply was being	1461	The values will be sent back to the client.
906	called.
907		1462
908	=cut	1463	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
909		1464
		1465	Same as C<cf::register_extcmd>, but instead of returning values, the
		1466	callback needs to clal the C<$reply> function.
		1467
		1468	=item cf::register_exticmd $name => \&callback($ns,@args)
		1469
		1470	Register a callback for execution when the client sends an (asynchronous)
		1471	exticmd packet. Exti commands are processed by the server as soon as they
		1472	are received, i.e. out of order w.r.t. other commands. The first argument
		1473	is a client socket. Exti commands can be received anytime, even before
		1474	log-in.
		1475
		1476	The values will be sent back to the client.
		1477
		1478	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1479
		1480	Same as C<cf::register_extcmd>, but instead of returning values, the
		1481	callback needs to clal the C<$reply> function.
		1482
		1483	=cut
		1484
910	sub register_extcmd {	1485	sub register_extcmd($$) {
911	my ($name, $cb) = @_;	1486	my ($name, $cb) = @_;
912		1487
913	$EXTCMD{$name} = $cb;	1488	$EXTCMD{$name} = $cb;
914	}	1489	}
915		1490
		1491	sub register_async_extcmd($$) {
		1492	my ($name, $cb) = @_;
		1493
		1494	$EXTACMD{$name} = $cb;
		1495	}
		1496
		1497	sub register_exticmd($$) {
		1498	my ($name, $cb) = @_;
		1499
		1500	$EXTICMD{$name} = $cb;
		1501	}
		1502
		1503	sub register_async_exticmd($$) {
		1504	my ($name, $cb) = @_;
		1505
		1506	$EXTIACMD{$name} = $cb;
		1507	}
		1508
		1509	use File::Glob ();
		1510
916	cf::player->attach (	1511	cf::player->attach (
917	on_command => sub {	1512	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1513	my ($pl, $name, $params) = @_;
919		1514
920	my $cb = $COMMAND{$name}	1515	my $cb = $COMMAND{$name}
921	or return;	1516	or return;
922		1517
…		…
927	cf::override;	1522	cf::override;
928	},	1523	},
929	on_extcmd => sub {	1524	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1525	my ($pl, $buf) = @_;
931		1526
932	my $msg = eval { from_json $buf };	1527	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1528
934	if (ref $msg) {	1529	if (ref $msg) {
		1530	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1531
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1532	if (my $cb = $EXTACMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1533	$cb->(
937	$pl->ext_reply ($msg->{msgid}, %reply);	1534	$pl,
		1535	sub {
		1536	$pl->ext_msg ("reply-$reply", @_)
		1537	if $reply;
		1538	},
		1539	@payload
		1540	);
		1541	} else {
		1542	my @reply;
		1543
		1544	if (my $cb = $EXTCMD{$type}) {
		1545	@reply = $cb->($pl, @payload);
938	}	1546	}
		1547
		1548	$pl->ext_msg ("reply-$reply", @reply)
		1549	if $reply;
939	}	1550	}
		1551
940	} else {	1552	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1553	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1554	}
943		1555
944	cf::override;	1556	cf::override;
945	},	1557	},
946	);	1558	);
947		1559
		1560	# "readahead" all extensions
		1561	sub cache_extensions {
		1562	my $grp = IO::AIO::aio_group;
		1563
		1564	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1565	for (grep /\.ext$/, @{$_[0]}) {
		1566	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1567	}
		1568	};
		1569
		1570	$grp
		1571	}
		1572
		1573	sub _ext_cfg_reg($$$$) {
		1574	my ($rvar, $varname, $cfgname, $default) = @_;
		1575
		1576	$cfgname = lc $varname
		1577	unless length $cfgname;
		1578
		1579	$EXT_CFG{$cfgname} = [$rvar, $default];
		1580
		1581	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1582	}
		1583
948	sub load_extensions {	1584	sub load_extensions {
		1585	info "loading extensions...";
		1586
		1587	%EXT_CFG = ();
		1588
949	cf::sync_job {	1589	cf::sync_job {
950	my %todo;	1590	my %todo;
951		1591
952	for my $path (<$LIBDIR/*.ext>) {	1592	for my $path (<$LIBDIR/*.ext>) {
953	next unless -r $path;	1593	next unless -r $path;
…		…
971		1611
972	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1612	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
973	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1613	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
974		1614
975	$ext{source} =	1615	$ext{source} =
976	"package $pkg; use strict; use utf8;\n"	1616	"package $pkg; use common::sense;\n"
977	. "#line 1 \"$path\"\n{\n"	1617	. "#line 1 \"$path\"\n{\n"
978	. $source	1618	. $source
979	. "\n};\n1";	1619	. "\n};\n1";
980		1620
981	$todo{$base} = \%ext;	1621	$todo{$base} = \%ext;
982	}	1622	}
983		1623
		1624	my $pass = 0;
984	my %done;	1625	my %done;
985	while (%todo) {	1626	while (%todo) {
986	my $progress;	1627	my $progress;
987		1628
		1629	++$pass;
		1630
		1631	ext:
988	while (my ($k, $v) = each %todo) {	1632	while (my ($k, $v) = each %todo) {
989	for (split /,\s*/, $v->{meta}{depends}) {	1633	for (split /,\s*/, $v->{meta}{depends}) {
990	goto skip	1634	next ext
991	unless exists $done{$_};	1635	unless exists $done{$_};
992	}	1636	}
993		1637
994	warn "... loading '$k' into '$v->{pkg}'\n";	1638	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
995		1639
996	unless (eval $v->{source}) {	1640	my $source = $v->{source};
		1641
		1642	# support "CONF varname :confname = default" pseudo-statements
		1643	$source =~ s{
		1644	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1645	}{
		1646	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1647	}gmxe;
		1648
		1649	my $active = eval $source;
		1650
		1651	if (length $@) {
997	my $msg = $@ ? "$v->{path}: $@\n"	1652	error "$v->{path}: $@\n";
998	: "$v->{base}: extension inactive.\n";
999		1653
		1654	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1000	if (exists $v->{meta}{mandatory}) {	1655	if exists $v->{meta}{mandatory};
1001	warn $msg;	1656
1002	warn "mandatory extension failed to load, exiting.\n";	1657	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1003	exit 1;	1658	delete $todo{$k};
1004	}	1659	} else {
1005		1660	$done{$k} = delete $todo{$k};
1006	warn $msg;	1661	push @EXTS, $v->{pkg};
		1662	$progress = 1;
		1663
		1664	info "$v->{base}: extension inactive.\n"
		1665	unless $active;
1007	}	1666	}
1008
1009	$done{$k} = delete $todo{$k};
1010	push @EXTS, $v->{pkg};
1011	$progress = 1;
1012	}	1667	}
1013		1668
1014	skip:	1669	unless ($progress) {
1015	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1670	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1016	unless $progress;	1671
		1672	while (my ($k, $v) = each %todo) {
		1673	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1674	if exists $v->{meta}{mandatory};
		1675	}
		1676
		1677	last;
		1678	}
1017	}	1679	}
1018	};	1680	};
1019	}	1681	}
1020		1682
1021	#############################################################################	1683	#############################################################################
1022		1684
		1685	=back
		1686
1023	=head2 CORE EXTENSIONS	1687	=head2 CORE EXTENSIONS
1024		1688
1025	Functions and methods that extend core crossfire objects.	1689	Functions and methods that extend core deliantra objects.
1026		1690
1027	=cut	1691	=cut
1028		1692
1029	package cf::player;	1693	package cf::player;
1030		1694
1031	use Coro::AIO;	1695	use Coro::AIO;
1032		1696
1033	=head3 cf::player	1697	=head3 cf::player
1034		1698
1035	=over 4	1699	=over 4
		1700
		1701	=item cf::player::num_playing
		1702
		1703	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1704
		1705	=cut
		1706
		1707	sub num_playing {
		1708	scalar grep
		1709	$_->ob->map
		1710	&& !$_->hidden
		1711	&& !$_->ob->flag (cf::FLAG_WIZ),
		1712	cf::player::list
		1713	}
1036		1714
1037	=item cf::player::find $login	1715	=item cf::player::find $login
1038		1716
1039	Returns the given player object, loading it if necessary (might block).	1717	Returns the given player object, loading it if necessary (might block).
1040		1718
…		…
1059		1737
1060	sub exists($) {	1738	sub exists($) {
1061	my ($login) = @_;	1739	my ($login) = @_;
1062		1740
1063	$cf::PLAYER{$login}	1741	$cf::PLAYER{$login}
1064	or cf::sync_job { !aio_stat path $login }	1742	or !aio_stat path $login
1065	}	1743	}
1066		1744
1067	sub find($) {	1745	sub find($) {
1068	return $cf::PLAYER{$_[0]} || do {	1746	return $cf::PLAYER{$_[0]} || do {
1069	my $login = $_[0];	1747	my $login = $_[0];
…		…
1076	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1754	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1077	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1755	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1078	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1756	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1079	aio_unlink +(playerdir $login) . "/$login.pl";	1757	aio_unlink +(playerdir $login) . "/$login.pl";
1080		1758
1081	my $pl = load_pl path $login	1759	my $f = new_from_file cf::object::thawer path $login
1082	or return;	1760	or return;
		1761
		1762	my $pl = cf::player::load_pl $f
		1763	or return;
		1764
		1765	local $cf::PLAYER_LOADING{$login} = $pl;
		1766	$f->resolve_delayed_derefs;
1083	$cf::PLAYER{$login} = $pl	1767	$cf::PLAYER{$login} = $pl
1084	}	1768	}
1085	}	1769	}
1086	}	1770	}
		1771
		1772	cf::player->attach (
		1773	on_load => sub {
		1774	my ($pl, $path) = @_;
		1775
		1776	# restore slots saved in save, below
		1777	my $slots = delete $pl->{_slots};
		1778
		1779	$pl->ob->current_weapon ($slots->[0]);
		1780	$pl->combat_ob ($slots->[1]);
		1781	$pl->ranged_ob ($slots->[2]);
		1782	},
		1783	);
1087		1784
1088	sub save($) {	1785	sub save($) {
1089	my ($pl) = @_;	1786	my ($pl) = @_;
1090		1787
1091	return if $pl->{deny_save};	1788	return if $pl->{deny_save};
…		…
1096	return if $pl->{deny_save};	1793	return if $pl->{deny_save};
1097		1794
1098	aio_mkdir playerdir $pl, 0770;	1795	aio_mkdir playerdir $pl, 0770;
1099	$pl->{last_save} = $cf::RUNTIME;	1796	$pl->{last_save} = $cf::RUNTIME;
1100		1797
		1798	cf::get_slot 0.01;
		1799
		1800	# save slots, to be restored later
		1801	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1802
1101	$pl->save_pl ($path);	1803	$pl->save_pl ($path);
1102	Coro::cede;	1804	cf::cede_to_tick;
1103	}	1805	}
1104		1806
1105	sub new($) {	1807	sub new($) {
1106	my ($login) = @_;	1808	my ($login) = @_;
1107		1809
…		…
1113	$cf::PLAYER{$login} = $self;	1815	$cf::PLAYER{$login} = $self;
1114		1816
1115	$self	1817	$self
1116	}	1818	}
1117		1819
		1820	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1821
		1822	=cut
		1823
		1824	sub send_msg {
		1825	my $ns = shift->ns
		1826	or return;
		1827	$ns->send_msg (@_);
		1828	}
		1829
1118	=item $pl->quit_character	1830	=item $pl->quit_character
1119		1831
1120	Nukes the player without looking back. If logged in, the connection will	1832	Nukes the player without looking back. If logged in, the connection will
1121	be destroyed. May block for a long time.	1833	be destroyed. May block for a long time.
1122		1834
…		…
1126	my ($pl) = @_;	1838	my ($pl) = @_;
1127		1839
1128	my $name = $pl->ob->name;	1840	my $name = $pl->ob->name;
1129		1841
1130	$pl->{deny_save} = 1;	1842	$pl->{deny_save} = 1;
1131	$pl->password ("*"); # this should lock out the player until we nuked the dir	1843	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1132		1844
1133	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1845	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1134	$pl->deactivate;	1846	$pl->deactivate;
		1847
		1848	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1135	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1849	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1850	ext::highscore::check ($pl->ob);
		1851
1136	$pl->ns->destroy if $pl->ns;	1852	$pl->ns->destroy if $pl->ns;
1137		1853
1138	my $path = playerdir $pl;	1854	my $path = playerdir $pl;
1139	my $temp = "$path~$cf::RUNTIME~deleting~";	1855	my $temp = "$path~$cf::RUNTIME~deleting~";
1140	aio_rename $path, $temp;	1856	aio_rename $path, $temp;
…		…
1175	or return [];	1891	or return [];
1176		1892
1177	my @logins;	1893	my @logins;
1178		1894
1179	for my $login (@$dirs) {	1895	for my $login (@$dirs) {
		1896	my $path = path $login;
		1897
		1898	# a .pst is a dead give-away for a valid player
		1899	# if no pst file found, open and chekc for blocked users
		1900	if (aio_stat "$path.pst") {
1180	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1901	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1181	aio_read $fh, 0, 512, my $buf, 0 or next;	1902	aio_read $fh, 0, 512, my $buf, 0 or next;
1182	$buf !~ /^password -------------$/m or next; # official not-valid tag	1903	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1904	}
1183		1905
1184	utf8::decode $login;	1906	utf8::decode $login;
1185	push @logins, $login;	1907	push @logins, $login;
1186	}	1908	}
1187		1909
1188	\@logins	1910	\@logins
1189	}	1911	}
1190		1912
1191	=item $player->maps	1913	=item $player->maps
		1914
		1915	=item cf::player::maps $login
1192		1916
1193	Returns an arrayref of map paths that are private for this	1917	Returns an arrayref of map paths that are private for this
1194	player. May block.	1918	player. May block.
1195		1919
1196	=cut	1920	=cut
…		…
1214	}	1938	}
1215		1939
1216	\@paths	1940	\@paths
1217	}	1941	}
1218		1942
1219	=item $player->ext_reply ($msgid, %msg)	1943	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1220		1944
1221	Sends an ext reply to the player.	1945	Expand deliantra pod fragments into protocol xml.
1222		1946
1223	=cut
1224
1225	sub ext_reply($$%) {
1226	my ($self, $id, %msg) = @_;
1227
1228	$msg{msgid} = $id;
1229
1230	$self->send ("ext " . cf::to_json \%msg);
1231	}
1232
1233	=item $player->ext_event ($type, %msg)	1947	=item $player->ext_msg ($type, @msg)
1234		1948
1235	Sends an ext event to the client.	1949	Sends an ext event to the client.
1236		1950
1237	=cut	1951	=cut
1238		1952
1239	sub ext_event($$%) {	1953	sub ext_msg($$@) {
1240	my ($self, $type, %msg) = @_;	1954	my ($self, $type, @msg) = @_;
1241		1955
1242	$self->ns->ext_event ($type, %msg);	1956	$self->ns->ext_msg ($type, @msg);
1243	}	1957	}
1244		1958
1245	=head3 cf::region	1959	=head3 cf::region
1246		1960
1247	=over 4	1961	=over 4
…		…
1250		1964
1251	package cf::region;	1965	package cf::region;
1252		1966
1253	=item cf::region::find_by_path $path	1967	=item cf::region::find_by_path $path
1254		1968
1255	Tries to decuce the probable region for a map knowing only its path.	1969	Tries to decuce the likely region for a map knowing only its path.
1256		1970
1257	=cut	1971	=cut
1258		1972
1259	sub find_by_path($) {	1973	sub find_by_path($) {
1260	my ($path) = @_;	1974	my ($path) = @_;
1261		1975
		1976	$path =~ s/^~[^\/]*//; # skip ~login
		1977
1262	my ($match, $specificity);	1978	my ($match, $specificity);
1263		1979
1264	for my $region (list) {	1980	for my $region (list) {
1265	if ($region->match && $path =~ $region->match) {	1981	if ($region->{match} && $path =~ $region->{match}) {
1266	($match, $specificity) = ($region, $region->specificity)	1982	($match, $specificity) = ($region, $region->specificity)
1267	if $region->specificity > $specificity;	1983	if $region->specificity > $specificity;
1268	}	1984	}
1269	}	1985	}
1270		1986
…		…
1291	our $MAX_RESET = 3600;	2007	our $MAX_RESET = 3600;
1292	our $DEFAULT_RESET = 3000;	2008	our $DEFAULT_RESET = 3000;
1293		2009
1294	sub generate_random_map {	2010	sub generate_random_map {
1295	my ($self, $rmp) = @_;	2011	my ($self, $rmp) = @_;
1296	# mit "rum" bekleckern, nicht	2012
		2013	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2014
1297	$self->_create_random_map (	2015	$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	}	2016	}
1311		2017
1312	=item cf::map->register ($regex, $prio)	2018	=item cf::map->register ($regex, $prio)
1313		2019
1314	Register a handler for the map path matching the given regex at the	2020	Register a handler for the map path matching the given regex at the
…		…
1319		2025
1320	sub register {	2026	sub register {
1321	my (undef, $regex, $prio) = @_;	2027	my (undef, $regex, $prio) = @_;
1322	my $pkg = caller;	2028	my $pkg = caller;
1323		2029
1324	no strict;
1325	push @{"$pkg\::ISA"}, __PACKAGE__;	2030	push @{"$pkg\::ISA"}, __PACKAGE__;
1326		2031
1327	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2032	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1328	}	2033	}
1329		2034
1330	# also paths starting with '/'	2035	# also paths starting with '/'
1331	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2036	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1332		2037
1333	sub thawer_merge {	2038	sub thawer_merge {
1334	my ($self, $merge) = @_;	2039	my ($self, $merge) = @_;
1335		2040
1336	# we have to keep some variables in memory intact	2041	# we have to keep some variables in memory intact
…		…
1341	}	2046	}
1342		2047
1343	sub normalise {	2048	sub normalise {
1344	my ($path, $base) = @_;	2049	my ($path, $base) = @_;
1345		2050
1346	$path = "$path"; # make sure its a string	2051	$path = "$path"; # make sure it's a string
1347		2052
1348	$path =~ s/\.map$//;	2053	$path =~ s/\.map$//;
1349		2054
1350	# map plan:	2055	# map plan:
1351	#	2056	#
…		…
1366	$base =~ s{[^/]+/?$}{};	2071	$base =~ s{[^/]+/?$}{};
1367	$path = "$base/$path";	2072	$path = "$base/$path";
1368	}	2073	}
1369		2074
1370	for ($path) {	2075	for ($path) {
1371	redo if s{//}{/};
1372	redo if s{/\.?/}{/};	2076	redo if s{/\.?/}{/};
1373	redo if s{/[^/]+/\.\./}{/};	2077	redo if s{/[^/]+/\.\./}{/};
1374	}	2078	}
1375		2079
1376	$path	2080	$path
…		…
1390	$self->init; # pass $1 etc.	2094	$self->init; # pass $1 etc.
1391	return $self;	2095	return $self;
1392	}	2096	}
1393	}	2097	}
1394		2098
1395	Carp::carp "unable to resolve path '$path' (base '$base').";	2099	Carp::cluck "unable to resolve path '$path' (base '$base')";
1396	()	2100	()
1397	}	2101	}
1398		2102
		2103	# may re-bless or do other evil things
1399	sub init {	2104	sub init {
1400	my ($self) = @_;	2105	my ($self) = @_;
1401		2106
1402	$self	2107	$self
1403	}	2108	}
…		…
1422		2127
1423	# the temporary/swap location	2128	# the temporary/swap location
1424	sub save_path {	2129	sub save_path {
1425	my ($self) = @_;	2130	my ($self) = @_;
1426		2131
1427	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2132	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1428	"$TMPDIR/$path.map"	2133	"$TMPDIR/$path.map"
1429	}	2134	}
1430		2135
1431	# the unique path, undef == no special unique path	2136	# the unique path, undef == no special unique path
1432	sub uniq_path {	2137	sub uniq_path {
1433	my ($self) = @_;	2138	my ($self) = @_;
1434		2139
1435	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2140	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1436	"$UNIQUEDIR/$path"	2141	"$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	}	2142	}
1447		2143
1448	sub decay_objects {	2144	sub decay_objects {
1449	my ($self) = @_;	2145	my ($self) = @_;
1450		2146
…		…
1463		2159
1464	sub load_header_from($) {	2160	sub load_header_from($) {
1465	my ($self, $path) = @_;	2161	my ($self, $path) = @_;
1466		2162
1467	utf8::encode $path;	2163	utf8::encode $path;
1468	#aio_open $path, O_RDONLY, 0	2164	my $f = new_from_file cf::object::thawer $path
1469	# or return;
1470
1471	$self->_load_header ($path)
1472	or return;	2165	or return;
1473		2166
		2167	$self->_load_header ($f)
		2168	or return;
		2169
		2170	local $MAP_LOADING{$self->{path}} = $self;
		2171	$f->resolve_delayed_derefs;
		2172
1474	$self->{load_path} = $path;	2173	$self->{load_path} = $path;
1475		2174
1476	1	2175	1
1477	}	2176	}
1478		2177
		2178	# used to laod the header of an original map
1479	sub load_header_orig {	2179	sub load_header_orig {
1480	my ($self) = @_;	2180	my ($self) = @_;
1481		2181
1482	$self->load_header_from ($self->load_path)	2182	$self->load_header_from ($self->load_path)
1483	}	2183	}
1484		2184
		2185	# used to laod the header of an instantiated map
1485	sub load_header_temp {	2186	sub load_header_temp {
1486	my ($self) = @_;	2187	my ($self) = @_;
1487		2188
1488	$self->load_header_from ($self->save_path)	2189	$self->load_header_from ($self->save_path)
1489	}	2190	}
1490		2191
		2192	# called after loading the header from an instantiated map
1491	sub prepare_temp {	2193	sub prepare_temp {
1492	my ($self) = @_;	2194	my ($self) = @_;
1493		2195
1494	$self->last_access ((delete $self->{last_access})	2196	$self->last_access ((delete $self->{last_access})
1495	|| $cf::RUNTIME); #d#	2197	|| $cf::RUNTIME); #d#
1496	# safety	2198	# safety
1497	$self->{instantiate_time} = $cf::RUNTIME	2199	$self->{instantiate_time} = $cf::RUNTIME
1498	if $self->{instantiate_time} > $cf::RUNTIME;	2200	if $self->{instantiate_time} > $cf::RUNTIME;
1499	}	2201	}
1500		2202
		2203	# called after loading the header from an original map
1501	sub prepare_orig {	2204	sub prepare_orig {
1502	my ($self) = @_;	2205	my ($self) = @_;
1503		2206
1504	$self->{load_original} = 1;	2207	$self->{load_original} = 1;
1505	$self->{instantiate_time} = $cf::RUNTIME;	2208	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1529		2232
1530	sub find;	2233	sub find;
1531	sub find {	2234	sub find {
1532	my ($path, $origin) = @_;	2235	my ($path, $origin) = @_;
1533		2236
		2237	cf::cede_to_tick;
		2238
1534	$path = normalise $path, $origin && $origin->path;	2239	$path = normalise $path, $origin;
1535		2240
		2241	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1536	cf::lock_wait "map_find:$path";	2242	my $guard2 = cf::lock_acquire "map_find:$path";
1537		2243
1538	$cf::MAP{$path} || do {	2244	$cf::MAP{$path} || do {
1539	my $guard = cf::lock_acquire "map_find:$path";
1540	my $map = new_from_path cf::map $path	2245	my $map = new_from_path cf::map $path
1541	or return;	2246	or return;
1542		2247
1543	$map->{last_save} = $cf::RUNTIME;	2248	$map->{last_save} = $cf::RUNTIME;
1544		2249
…		…
1546	or return;	2251	or return;
1547		2252
1548	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2253	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1549	# doing this can freeze the server in a sync job, obviously	2254	# doing this can freeze the server in a sync job, obviously
1550	#$cf::WAIT_FOR_TICK->wait;	2255	#$cf::WAIT_FOR_TICK->wait;
		2256	undef $guard2;
		2257	undef $guard1;
1551	$map->reset;	2258	$map->reset;
1552	undef $guard;
1553	return find $path;	2259	return find $path;
1554	}	2260	}
1555		2261
1556	$cf::MAP{$path} = $map	2262	$cf::MAP{$path} = $map
1557	}	2263	}
1558	}	2264	}
1559		2265
1560	sub pre_load { }	2266	sub pre_load { }
1561	sub post_load { }	2267	#sub post_load { } # XS
1562		2268
1563	sub load {	2269	sub load {
1564	my ($self) = @_;	2270	my ($self) = @_;
1565		2271
1566	local $self->{deny_reset} = 1; # loading can take a long time	2272	local $self->{deny_reset} = 1; # loading can take a long time
1567		2273
1568	my $path = $self->{path};	2274	my $path = $self->{path};
1569		2275
1570	{	2276	{
1571	my $guard = cf::lock_acquire "map_load:$path";	2277	my $guard = cf::lock_acquire "map_data:$path";
1572		2278
		2279	return unless $self->valid;
1573	return if $self->in_memory != cf::MAP_SWAPPED;	2280	return unless $self->state == cf::MAP_SWAPPED;
1574
1575	$self->in_memory (cf::MAP_LOADING);
1576		2281
1577	$self->alloc;	2282	$self->alloc;
1578		2283
1579	$self->pre_load;	2284	$self->pre_load;
1580	Coro::cede;	2285	cf::cede_to_tick;
1581		2286
1582	$self->_load_objects ($self->{load_path}, 1)	2287	if (exists $self->{load_path}) {
		2288	my $f = new_from_file cf::object::thawer $self->{load_path};
		2289	$f->skip_block;
		2290	$self->_load_objects ($f)
1583	or return;	2291	or return;
1584		2292
1585	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2293	$self->post_load_original
1586	if delete $self->{load_original};	2294	if delete $self->{load_original};
1587		2295
1588	if (my $uniq = $self->uniq_path) {	2296	if (my $uniq = $self->uniq_path) {
1589	utf8::encode $uniq;	2297	utf8::encode $uniq;
1590	if (aio_open $uniq, O_RDONLY, 0) {	2298	unless (aio_stat $uniq) {
		2299	if (my $f = new_from_file cf::object::thawer $uniq) {
1591	$self->clear_unique_items;	2300	$self->clear_unique_items;
1592	$self->_load_objects ($uniq, 0);	2301	$self->_load_objects ($f);
		2302	$f->resolve_delayed_derefs;
		2303	}
		2304	}
1593	}	2305	}
1594	}
1595		2306
1596	Coro::cede;	2307	$f->resolve_delayed_derefs;
		2308	} else {
		2309	$self->post_load_original
		2310	if delete $self->{load_original};
		2311	}
		2312
		2313	$self->state (cf::MAP_INACTIVE);
		2314
		2315	cf::cede_to_tick;
1597	# now do the right thing for maps	2316	# now do the right thing for maps
1598	$self->link_multipart_objects;	2317	$self->link_multipart_objects;
1599	$self->difficulty ($self->estimate_difficulty)	2318	$self->difficulty ($self->estimate_difficulty)
1600	unless $self->difficulty;	2319	unless $self->difficulty;
1601	Coro::cede;	2320	cf::cede_to_tick;
1602		2321
1603	unless ($self->{deny_activate}) {	2322	unless ($self->{deny_activate}) {
1604	$self->decay_objects;	2323	$self->decay_objects;
1605	$self->fix_auto_apply;	2324	$self->fix_auto_apply;
1606	$self->update_buttons;	2325	$self->update_buttons;
1607	Coro::cede;	2326	cf::cede_to_tick;
1608	$self->set_darkness_map;	2327	#$self->activate; # no longer activate maps automatically
1609	Coro::cede;
1610	$self->activate;
1611	}	2328	}
1612		2329
1613	$self->in_memory (cf::MAP_IN_MEMORY);	2330	$self->{last_save} = $cf::RUNTIME;
		2331	$self->last_access ($cf::RUNTIME);
1614	}	2332	}
1615		2333
1616	$self->post_load;	2334	$self->post_load;
1617	}
1618		2335
		2336	1
		2337	}
		2338
		2339	# customize the map for a given player, i.e.
		2340	# return the _real_ map. used by e.g. per-player
		2341	# maps to change the path to ~playername/mappath
1619	sub customise_for {	2342	sub customise_for {
1620	my ($self, $ob) = @_;	2343	my ($self, $ob) = @_;
1621		2344
1622	return find "~" . $ob->name . "/" . $self->{path}	2345	return find "~" . $ob->name . "/" . $self->{path}
1623	if $self->per_player;	2346	if $self->per_player;
…		…
1626	# if $self->per_party;	2349	# if $self->per_party;
1627		2350
1628	$self	2351	$self
1629	}	2352	}
1630		2353
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 {	2354	sub find_sync {
1656	my ($path, $origin) = @_;	2355	my ($path, $origin) = @_;
1657		2356
1658	cf::sync_job { find $path, $origin }	2357	# it's a bug to call this from the main context
		2358	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2359	if $Coro::current == $Coro::main;
		2360
		2361	find $path, $origin
1659	}	2362	}
1660		2363
1661	sub do_load_sync {	2364	sub do_load_sync {
1662	my ($map) = @_;	2365	my ($map) = @_;
1663		2366
1664	cf::sync_job { $map->load };	2367	# it's a bug to call this from the main context
		2368	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2369	if $Coro::current == $Coro::main;
		2370
		2371	$map->load;
1665	}	2372	}
1666		2373
1667	our %MAP_PREFETCH;	2374	our %MAP_PREFETCH;
1668	our $MAP_PREFETCHER = undef;	2375	our $MAP_PREFETCHER = undef;
1669		2376
1670	sub find_async {	2377	sub find_async {
1671	my ($path, $origin) = @_;	2378	my ($path, $origin, $load) = @_;
1672		2379
1673	$path = normalise $path, $origin && $origin->{path};	2380	$path = normalise $path, $origin;
1674		2381
1675	if (my $map = $cf::MAP{$path}) {	2382	if (my $map = $cf::MAP{$path}) {
1676	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2383	return $map if !$load || $map->linkable;
1677	}	2384	}
1678		2385
1679	undef $MAP_PREFETCH{$path};	2386	$MAP_PREFETCH{$path} |= $load;
		2387
1680	$MAP_PREFETCHER ||= cf::async {	2388	$MAP_PREFETCHER ||= cf::async {
		2389	$Coro::current->{desc} = "map prefetcher";
		2390
1681	while (%MAP_PREFETCH) {	2391	while (%MAP_PREFETCH) {
1682	for my $path (keys %MAP_PREFETCH) {	2392	while (my ($k, $v) = each %MAP_PREFETCH) {
1683	my $map = find $path	2393	if (my $map = find $k) {
1684	or next;
1685	$map->load;	2394	$map->load if $v;
		2395	}
1686		2396
1687	delete $MAP_PREFETCH{$path};	2397	delete $MAP_PREFETCH{$k};
1688	}	2398	}
1689	}	2399	}
1690	undef $MAP_PREFETCHER;	2400	undef $MAP_PREFETCHER;
1691	};	2401	};
1692	$MAP_PREFETCHER->prio (6);	2402	$MAP_PREFETCHER->prio (6);
1693		2403
1694	()	2404	()
1695	}	2405	}
1696		2406
		2407	# common code, used by both ->save and ->swapout
1697	sub save {	2408	sub _save {
1698	my ($self) = @_;	2409	my ($self) = @_;
1699
1700	my $lock = cf::lock_acquire "map_data:" . $self->path;
1701		2410
1702	$self->{last_save} = $cf::RUNTIME;	2411	$self->{last_save} = $cf::RUNTIME;
1703		2412
1704	return unless $self->dirty;	2413	return unless $self->dirty;
1705		2414
…		…
1711	return if $self->{deny_save};	2420	return if $self->{deny_save};
1712		2421
1713	local $self->{last_access} = $self->last_access;#d#	2422	local $self->{last_access} = $self->last_access;#d#
1714		2423
1715	cf::async {	2424	cf::async {
		2425	$Coro::current->{desc} = "map player save";
1716	$_->contr->save for $self->players;	2426	$_->contr->save for $self->players;
1717	};	2427	};
		2428
		2429	cf::get_slot 0.02;
1718		2430
1719	if ($uniq) {	2431	if ($uniq) {
1720	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1721	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2433	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1722	} else {	2434	} else {
1723	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2435	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1724	}	2436	}
1725	}	2437	}
1726		2438
		2439	sub save {
		2440	my ($self) = @_;
		2441
		2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2443
		2444	$self->_save;
		2445	}
		2446
1727	sub swap_out {	2447	sub swap_out {
1728	my ($self) = @_;	2448	my ($self) = @_;
1729		2449
1730	# save first because save cedes
1731	$self->save;
1732
1733	my $lock = cf::lock_acquire "map_data:" . $self->path;	2450	my $lock = cf::lock_acquire "map_data:$self->{path}";
1734		2451
		2452	return if !$self->linkable;
		2453	return if $self->{deny_save};
1735	return if $self->players;	2454	return if $self->players;
1736	return if $self->in_memory != cf::MAP_IN_MEMORY;
1737	return if $self->{deny_save};
1738		2455
		2456	# first deactivate the map and "unlink" it from the core
		2457	$self->deactivate;
		2458	$_->clear_links_to ($self) for values %cf::MAP;
		2459	$self->state (cf::MAP_SWAPPED);
		2460
		2461	# then atomically save
		2462	$self->_save;
		2463
		2464	# then free the map
1739	$self->clear;	2465	$self->clear;
1740	$self->in_memory (cf::MAP_SWAPPED);
1741	}	2466	}
1742		2467
1743	sub reset_at {	2468	sub reset_at {
1744	my ($self) = @_;	2469	my ($self) = @_;
1745		2470
…		…
1763		2488
1764	my $lock = cf::lock_acquire "map_data:$self->{path}";	2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
1765		2490
1766	return if $self->players;	2491	return if $self->players;
1767		2492
1768	warn "resetting map ", $self->path;	2493	cf::trace "resetting map ", $self->path, "\n";
1769		2494
1770	$self->in_memory (cf::MAP_SWAPPED);	2495	$self->state (cf::MAP_SWAPPED);
1771		2496
1772	# need to save uniques path	2497	# need to save uniques path
1773	unless ($self->{deny_save}) {	2498	unless ($self->{deny_save}) {
1774	my $uniq = $self->uniq_path; utf8::encode $uniq;	2499	my $uniq = $self->uniq_path; utf8::encode $uniq;
1775		2500
…		…
1777	if $uniq;	2502	if $uniq;
1778	}	2503	}
1779		2504
1780	delete $cf::MAP{$self->path};	2505	delete $cf::MAP{$self->path};
1781		2506
		2507	$self->deactivate;
		2508	$_->clear_links_to ($self) for values %cf::MAP;
1782	$self->clear;	2509	$self->clear;
1783
1784	$_->clear_links_to ($self) for values %cf::MAP;
1785		2510
1786	$self->unlink_save;	2511	$self->unlink_save;
1787	$self->destroy;	2512	$self->destroy;
1788	}	2513	}
1789		2514
1790	my $nuke_counter = "aaaa";	2515	my $nuke_counter = "aaaa";
1791		2516
1792	sub nuke {	2517	sub nuke {
1793	my ($self) = @_;	2518	my ($self) = @_;
1794		2519
		2520	{
		2521	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2522
1795	delete $cf::MAP{$self->path};	2523	delete $cf::MAP{$self->path};
1796		2524
1797	$self->unlink_save;	2525	$self->unlink_save;
1798		2526
1799	bless $self, "cf::map";	2527	bless $self, "cf::map::wrap";
1800	delete $self->{deny_reset};	2528	delete $self->{deny_reset};
1801	$self->{deny_save} = 1;	2529	$self->{deny_save} = 1;
1802	$self->reset_timeout (1);	2530	$self->reset_timeout (1);
1803	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2531	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1804		2532
1805	$cf::MAP{$self->path} = $self;	2533	$cf::MAP{$self->path} = $self;
		2534	}
1806		2535
1807	$self->reset; # polite request, might not happen	2536	$self->reset; # polite request, might not happen
1808	}	2537	}
1809		2538
1810	=item $maps = cf::map::tmp_maps	2539	=item $maps = cf::map::tmp_maps
…		…
1852		2581
1853	sub unique_maps() {	2582	sub unique_maps() {
1854	[	2583	[
1855	map {	2584	map {
1856	utf8::decode $_;	2585	utf8::decode $_;
1857	/\.map$/	2586	s/\.map$//; # TODO future compatibility hack
		2587	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2588	? ()
1858	? normalise $_	2589	: normalise $_
1859	: ()
1860	} @{ aio_readdir $UNIQUEDIR or [] }	2590	} @{ aio_readdir $UNIQUEDIR or [] }
1861	]	2591	]
1862	}	2592	}
1863		2593
1864	package cf;	2594	=item cf::map::static_maps
		2595
		2596	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2597	file in the shared directory excluding F</styles> and F</editor>). May
		2598	block.
		2599
		2600	=cut
		2601
		2602	sub static_maps() {
		2603	my @dirs = "";
		2604	my @maps;
		2605
		2606	while (@dirs) {
		2607	my $dir = shift @dirs;
		2608
		2609	next if $dir eq "/styles" || $dir eq "/editor";
		2610
		2611	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2612	or return;
		2613
		2614	for (@$files) {
		2615	s/\.map$// or next;
		2616	utf8::decode $_;
		2617	push @maps, "$dir/$_";
		2618	}
		2619
		2620	push @dirs, map "$dir/$_", @$dirs;
		2621	}
		2622
		2623	\@maps
		2624	}
1865		2625
1866	=back	2626	=back
1867		2627
1868	=head3 cf::object	2628	=head3 cf::object
1869		2629
…		…
1873		2633
1874	=over 4	2634	=over 4
1875		2635
1876	=item $ob->inv_recursive	2636	=item $ob->inv_recursive
1877		2637
1878	Returns the inventory of the object _and_ their inventories, recursively.	2638	Returns the inventory of the object I<and> their inventories, recursively,
		2639	but I<not> the object itself.
1879		2640
1880	=cut	2641	=cut
1881		2642
1882	sub inv_recursive_;	2643	sub inv_recursive_;
1883	sub inv_recursive_ {	2644	sub inv_recursive_ {
…		…
1886		2647
1887	sub inv_recursive {	2648	sub inv_recursive {
1888	inv_recursive_ inv $_[0]	2649	inv_recursive_ inv $_[0]
1889	}	2650	}
1890		2651
		2652	=item $ref = $ob->ref
		2653
		2654	Creates and returns a persistent reference to an object that can be stored as a string.
		2655
		2656	=item $ob = cf::object::deref ($refstring)
		2657
		2658	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2659	even if the object actually exists. May block.
		2660
		2661	=cut
		2662
		2663	sub deref {
		2664	my ($ref) = @_;
		2665
		2666	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2667	my ($uuid, $name) = ($1, $2);
		2668	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2669	or return;
		2670	$pl->ob->uuid eq $uuid
		2671	or return;
		2672
		2673	$pl->ob
		2674	} else {
		2675	warn "$ref: cannot resolve object reference\n";
		2676	undef
		2677	}
		2678	}
		2679
1891	package cf;	2680	package cf;
1892		2681
1893	=back	2682	=back
1894		2683
1895	=head3 cf::object::player	2684	=head3 cf::object::player
…		…
1901	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2690	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	2691	can be C<undef>. Does the right thing when the player is currently in a
1903	dialogue with the given NPC character.	2692	dialogue with the given NPC character.
1904		2693
1905	=cut	2694	=cut
		2695
		2696	our $SAY_CHANNEL = {
		2697	id => "say",
		2698	title => "Map",
		2699	reply => "say ",
		2700	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2701	};
		2702
		2703	our $CHAT_CHANNEL = {
		2704	id => "chat",
		2705	title => "Chat",
		2706	reply => "chat ",
		2707	tooltip => "Player chat and shouts, global to the server.",
		2708	};
1906		2709
1907	# rough implementation of a future "reply" method that works	2710	# rough implementation of a future "reply" method that works
1908	# with dialog boxes.	2711	# with dialog boxes.
1909	#TODO: the first argument must go, split into a $npc->reply_to ( method	2712	#TODO: the first argument must go, split into a $npc->reply_to ( method
1910	sub cf::object::player::reply($$$;$) {	2713	sub cf::object::player::reply($$$;$) {
…		…
1912		2715
1913	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2716	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1914		2717
1915	if ($self->{record_replies}) {	2718	if ($self->{record_replies}) {
1916	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2719	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2720
1917	} else {	2721	} else {
		2722	my $pl = $self->contr;
		2723
		2724	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2725	my $dialog = $pl->{npc_dialog};
		2726	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2727
		2728	} else {
1918	$msg = $npc->name . " says: $msg" if $npc;	2729	$msg = $npc->name . " says: $msg" if $npc;
1919	$self->message ($msg, $flags);	2730	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2731	}
1920	}	2732	}
		2733	}
		2734
		2735	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2736
		2737	=cut
		2738
		2739	sub cf::object::send_msg {
		2740	my $pl = shift->contr
		2741	or return;
		2742	$pl->send_msg (@_);
1921	}	2743	}
1922		2744
1923	=item $player_object->may ("access")	2745	=item $player_object->may ("access")
1924		2746
1925	Returns wether the given player is authorized to access resource "access"	2747	Returns wether the given player is authorized to access resource "access"
…		…
1938		2760
1939	=item $player_object->enter_link	2761	=item $player_object->enter_link
1940		2762
1941	Freezes the player and moves him/her to a special map (C<{link}>).	2763	Freezes the player and moves him/her to a special map (C<{link}>).
1942		2764
1943	The player should be reasonably safe there for short amounts of time. You	2765	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.	2766	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2767	though, as the player cannot control the character while it is on the link
		2768	map.
1945		2769
1946	Will never block.	2770	Will never block.
1947		2771
1948	=item $player_object->leave_link ($map, $x, $y)	2772	=item $player_object->leave_link ($map, $x, $y)
1949		2773
…		…
1969	sub cf::object::player::enter_link {	2793	sub cf::object::player::enter_link {
1970	my ($self) = @_;	2794	my ($self) = @_;
1971		2795
1972	$self->deactivate_recursive;	2796	$self->deactivate_recursive;
1973		2797
		2798	++$self->{_link_recursion};
		2799
1974	return if UNIVERSAL::isa $self->map, "ext::map_link";	2800	return if UNIVERSAL::isa $self->map, "ext::map_link";
1975		2801
1976	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2802	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1977	if $self->map && $self->map->{path} ne "{link}";	2803	if $self->map && $self->map->{path} ne "{link}";
1978		2804
1979	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2805	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1980	}	2806	}
1981		2807
1982	sub cf::object::player::leave_link {	2808	sub cf::object::player::leave_link {
1983	my ($self, $map, $x, $y) = @_;	2809	my ($self, $map, $x, $y) = @_;
1984		2810
…		…
2001	($x, $y) = (-1, -1)	2827	($x, $y) = (-1, -1)
2002	unless (defined $x) && (defined $y);	2828	unless (defined $x) && (defined $y);
2003		2829
2004	# use -1 or undef as default coordinates, not 0, 0	2830	# use -1 or undef as default coordinates, not 0, 0
2005	($x, $y) = ($map->enter_x, $map->enter_y)	2831	($x, $y) = ($map->enter_x, $map->enter_y)
2006	if $x <=0 && $y <= 0;	2832	if $x <= 0 && $y <= 0;
2007		2833
2008	$map->load;	2834	$map->load;
2009	$map->load_diag;
2010		2835
2011	return unless $self->contr->active;	2836	return unless $self->contr->active;
2012	$self->activate_recursive;
2013		2837
2014	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2838	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2015	$self->enter_map ($map, $x, $y);	2839	if ($self->enter_map ($map, $x, $y)) {
2016	}	2840	# entering was successful
		2841	delete $self->{_link_recursion};
		2842	# only activate afterwards, to support waiting in hooks
		2843	$self->activate_recursive;
		2844	}
2017		2845
		2846	}
		2847
2018	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2848	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2019		2849
2020	Moves the player to the given map-path and coordinates by first freezing	2850	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	2851	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	2852	that has to return the map if sucecssful, and then unfreezes the player on
2023	the new (success) or old (failed) map position.	2853	the new (success) or old (failed) map position. In either case, $done will
		2854	be called at the end of this process.
		2855
		2856	Note that $check will be called with a potentially non-loaded map, so if
		2857	it needs a loaded map it has to call C<< ->load >>.
2024		2858
2025	=cut	2859	=cut
2026		2860
2027	our $GOTOGEN;	2861	our $GOTOGEN;
2028		2862
2029	sub cf::object::player::goto {	2863	sub cf::object::player::goto {
2030	my ($self, $path, $x, $y, $check) = @_;	2864	my ($self, $path, $x, $y, $check, $done) = @_;
		2865
		2866	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2867	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2868	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2869	($path, $x, $y) = @$EMERGENCY_POSITION;
		2870	}
2031		2871
2032	# do generation counting so two concurrent goto's will be executed in-order	2872	# do generation counting so two concurrent goto's will be executed in-order
2033	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2873	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2034		2874
2035	$self->enter_link;	2875	$self->enter_link;
2036		2876
2037	(async {	2877	(async {
		2878	$Coro::current->{desc} = "player::goto $path $x $y";
		2879
		2880	# *tag paths override both path and x|y
		2881	if ($path =~ /^\*(.*)$/) {
		2882	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2883	my $ob = $obs[rand @obs];
		2884
		2885	# see if we actually can go there
		2886	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2887	$ob = $obs[rand @obs];
		2888	} else {
		2889	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2890	}
		2891	# else put us there anyways for now #d#
		2892
		2893	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2894	} else {
		2895	($path, $x, $y) = (undef, undef, undef);
		2896	}
		2897	}
		2898
2038	my $map = eval {	2899	my $map = eval {
2039	my $map = cf::map::find $path;	2900	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2040		2901
2041	if ($map) {	2902	if ($map) {
2042	$map = $map->customise_for ($self);	2903	$map = $map->customise_for ($self);
2043	$map = $check->($map) if $check && $map;	2904	$map = $check->($map, $x, $y, $self) if $check && $map;
2044	} else {	2905	} else {
2045	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2906	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2046	}	2907	}
2047		2908
2048	$map	2909	$map
2049	};	2910	};
2050		2911
…		…
2055		2916
2056	if ($gen == $self->{_goto_generation}) {	2917	if ($gen == $self->{_goto_generation}) {
2057	delete $self->{_goto_generation};	2918	delete $self->{_goto_generation};
2058	$self->leave_link ($map, $x, $y);	2919	$self->leave_link ($map, $x, $y);
2059	}	2920	}
		2921
		2922	$done->($self) if $done;
2060	})->prio (1);	2923	})->prio (1);
2061	}	2924	}
2062		2925
2063	=item $player_object->enter_exit ($exit_object)	2926	=item $player_object->enter_exit ($exit_object)
2064		2927
…		…
2084	}	2947	}
2085		2948
2086	sub prepare_random_map {	2949	sub prepare_random_map {
2087	my ($exit) = @_;	2950	my ($exit) = @_;
2088		2951
2089	my $guard = cf::lock_acquire "exit_prepare:$exit";
2090
2091	# all this does is basically replace the /! path by	2952	# all this does is basically replace the /! path by
2092	# a new random map path (?random/...) with a seed	2953	# a new random map path (?random/...) with a seed
2093	# that depends on the exit object	2954	# that depends on the exit object
2094		2955
2095	my $rmp = parse_random_map_params $exit->msg;	2956	my $rmp = parse_random_map_params $exit->msg;
…		…
2097	if ($exit->map) {	2958	if ($exit->map) {
2098	$rmp->{region} = $exit->region->name;	2959	$rmp->{region} = $exit->region->name;
2099	$rmp->{origin_map} = $exit->map->path;	2960	$rmp->{origin_map} = $exit->map->path;
2100	$rmp->{origin_x} = $exit->x;	2961	$rmp->{origin_x} = $exit->x;
2101	$rmp->{origin_y} = $exit->y;	2962	$rmp->{origin_y} = $exit->y;
		2963
		2964	$exit->map->touch;
2102	}	2965	}
2103		2966
2104	$rmp->{random_seed} ||= $exit->random_seed;	2967	$rmp->{random_seed} ||= $exit->random_seed;
2105		2968
2106	my $data = cf::to_json $rmp;	2969	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2107	my $md5 = Digest::MD5::md5_hex $data;	2970	my $md5 = Digest::MD5::md5_hex $data;
2108	my $meta = "$RANDOMDIR/$md5.meta";	2971	my $meta = "$RANDOMDIR/$md5.meta";
2109		2972
2110	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2973	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2111	aio_write $fh, 0, (length $data), $data, 0;	2974	aio_write $fh, 0, (length $data), $data, 0;
2112	undef $fh;	2975	undef $fh;
2113	aio_rename "$meta~", $meta;	2976	aio_rename "$meta~", $meta;
2114		2977
		2978	my $slaying = "?random/$md5";
		2979
		2980	if ($exit->valid) {
2115	$exit->slaying ("?random/$md5");	2981	$exit->slaying ("?random/$md5");
2116	$exit->msg (undef);	2982	$exit->msg (undef);
		2983	}
2117	}	2984	}
2118	}	2985	}
2119		2986
2120	sub cf::object::player::enter_exit {	2987	sub cf::object::player::enter_exit {
2121	my ($self, $exit) = @_;	2988	my ($self, $exit) = @_;
2122		2989
2123	return unless $self->type == cf::PLAYER;	2990	return unless $self->type == cf::PLAYER;
2124		2991
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;	2992	$self->enter_link;
2137		2993
2138	(async {	2994	(async {
2139	$self->deactivate_recursive; # just to be sure	2995	$Coro::current->{desc} = "enter_exit";
		2996
2140	unless (eval {	2997	unless (eval {
		2998	$self->deactivate_recursive; # just to be sure
		2999
		3000	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3001	my $x = $exit->stats->hp;
		3002	my $y = $exit->stats->sp;
		3003
		3004	# special map handling
		3005	my $slaying = $exit->slaying;
		3006
		3007	# special map handling
		3008	if ($slaying eq "/!") {
		3009	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3010
		3011	prepare_random_map $exit
		3012	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3013
		3014	$map = $exit->slaying;
		3015
		3016	} elsif ($slaying eq '!up') {
		3017	$map = $exit->map->tile_path (cf::TILE_UP);
		3018	$x = $exit->x;
		3019	$y = $exit->y;
		3020
		3021	} elsif ($slaying eq '!down') {
		3022	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3023	$x = $exit->x;
		3024	$y = $exit->y;
		3025	}
		3026
2141	$self->goto ($slaying, $hp, $sp);	3027	$self->goto ($map, $x, $y);
2142		3028
		3029	# if exit is damned, update players death & WoR home-position
		3030	$self->contr->savebed ($map, $x, $y)
		3031	if $exit->flag (cf::FLAG_DAMNED);
		3032
2143	1;	3033	1
2144	}) {	3034	}) {
2145	$self->message ("Something went wrong deep within the crossfire server. "	3035	$self->message ("Something went wrong deep within the deliantra server. "
2146	. "I'll try to bring you back to the map you were before. "	3036	. "I'll try to bring you back to the map you were before. "
2147	. "Please report this to the dungeon master!",	3037	. "Please report this to the dungeon master!",
2148	cf::NDI_UNIQUE | cf::NDI_RED);	3038	cf::NDI_UNIQUE | cf::NDI_RED);
2149		3039
2150	warn "ERROR in enter_exit: $@";	3040	error "ERROR in enter_exit: $@";
2151	$self->leave_link;	3041	$self->leave_link;
2152	}	3042	}
2153	})->prio (1);	3043	})->prio (1);
2154	}	3044	}
2155		3045
…		…
2169		3059
2170	utf8::encode $text;	3060	utf8::encode $text;
2171	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3061	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2172	}	3062	}
2173		3063
		3064	=item $client->send_big_packet ($pkt)
		3065
		3066	Like C<send_packet>, but tries to compress large packets, and fragments
		3067	them as required.
		3068
		3069	=cut
		3070
		3071	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3072
		3073	sub cf::client::send_big_packet {
		3074	my ($self, $pkt) = @_;
		3075
		3076	# try lzf for large packets
		3077	$pkt = "lzf " . Compress::LZF::compress $pkt
		3078	if 1024 <= length $pkt and $self->{can_lzf};
		3079
		3080	# split very large packets
		3081	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3082	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3083	$pkt = "frag";
		3084	}
		3085
		3086	$self->send_packet ($pkt);
		3087	}
		3088
		3089	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3090
		3091	Send a drawinfo or msg packet to the client, formatting the msg for the
		3092	client if neccessary. C<$type> should be a string identifying the type of
		3093	the message, with C<log> being the default. If C<$color> is negative, suppress
		3094	the message unless the client supports the msg packet.
		3095
		3096	=cut
		3097
		3098	# non-persistent channels (usually the info channel)
		3099	our %CHANNEL = (
		3100	"c/motd" => {
		3101	id => "infobox",
		3102	title => "MOTD",
		3103	reply => undef,
		3104	tooltip => "The message of the day",
		3105	},
		3106	"c/identify" => {
		3107	id => "infobox",
		3108	title => "Identify",
		3109	reply => undef,
		3110	tooltip => "Items recently identified",
		3111	},
		3112	"c/examine" => {
		3113	id => "infobox",
		3114	title => "Examine",
		3115	reply => undef,
		3116	tooltip => "Signs and other items you examined",
		3117	},
		3118	"c/shopinfo" => {
		3119	id => "infobox",
		3120	title => "Shop Info",
		3121	reply => undef,
		3122	tooltip => "What your bargaining skill tells you about the shop",
		3123	},
		3124	"c/book" => {
		3125	id => "infobox",
		3126	title => "Book",
		3127	reply => undef,
		3128	tooltip => "The contents of a note or book",
		3129	},
		3130	"c/lookat" => {
		3131	id => "infobox",
		3132	title => "Look",
		3133	reply => undef,
		3134	tooltip => "What you saw there",
		3135	},
		3136	"c/who" => {
		3137	id => "infobox",
		3138	title => "Players",
		3139	reply => undef,
		3140	tooltip => "Shows players who are currently online",
		3141	},
		3142	"c/body" => {
		3143	id => "infobox",
		3144	title => "Body Parts",
		3145	reply => undef,
		3146	tooltip => "Shows which body parts you posess and are available",
		3147	},
		3148	"c/statistics" => {
		3149	id => "infobox",
		3150	title => "Statistics",
		3151	reply => undef,
		3152	tooltip => "Shows your primary statistics",
		3153	},
		3154	"c/skills" => {
		3155	id => "infobox",
		3156	title => "Skills",
		3157	reply => undef,
		3158	tooltip => "Shows your experience per skill and item power",
		3159	},
		3160	"c/shopitems" => {
		3161	id => "infobox",
		3162	title => "Shop Items",
		3163	reply => undef,
		3164	tooltip => "Shows the items currently for sale in this shop",
		3165	},
		3166	"c/resistances" => {
		3167	id => "infobox",
		3168	title => "Resistances",
		3169	reply => undef,
		3170	tooltip => "Shows your resistances",
		3171	},
		3172	"c/pets" => {
		3173	id => "infobox",
		3174	title => "Pets",
		3175	reply => undef,
		3176	tooltip => "Shows information abotu your pets/a specific pet",
		3177	},
		3178	"c/perceiveself" => {
		3179	id => "infobox",
		3180	title => "Perceive Self",
		3181	reply => undef,
		3182	tooltip => "You gained detailed knowledge about yourself",
		3183	},
		3184	"c/uptime" => {
		3185	id => "infobox",
		3186	title => "Uptime",
		3187	reply => undef,
		3188	tooltip => "How long the server has been running since last restart",
		3189	},
		3190	"c/mapinfo" => {
		3191	id => "infobox",
		3192	title => "Map Info",
		3193	reply => undef,
		3194	tooltip => "Information related to the maps",
		3195	},
		3196	"c/party" => {
		3197	id => "party",
		3198	title => "Party",
		3199	reply => "gsay ",
		3200	tooltip => "Messages and chat related to your party",
		3201	},
		3202	"c/death" => {
		3203	id => "death",
		3204	title => "Death",
		3205	reply => undef,
		3206	tooltip => "Reason for and more info about your most recent death",
		3207	},
		3208	"c/say" => $SAY_CHANNEL,
		3209	"c/chat" => $CHAT_CHANNEL,
		3210	);
		3211
		3212	sub cf::client::send_msg {
		3213	my ($self, $channel, $msg, $color, @extra) = @_;
		3214
		3215	$msg = $self->pl->expand_cfpod ($msg)
		3216	unless $color & cf::NDI_VERBATIM;
		3217
		3218	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3219
		3220	# check predefined channels, for the benefit of C
		3221	if ($CHANNEL{$channel}) {
		3222	$channel = $CHANNEL{$channel};
		3223
		3224	$self->ext_msg (channel_info => $channel);
		3225	$channel = $channel->{id};
		3226
		3227	} elsif (ref $channel) {
		3228	# send meta info to client, if not yet sent
		3229	unless (exists $self->{channel}{$channel->{id}}) {
		3230	$self->{channel}{$channel->{id}} = $channel;
		3231	$self->ext_msg (channel_info => $channel);
		3232	}
		3233
		3234	$channel = $channel->{id};
		3235	}
		3236
		3237	return unless @extra || length $msg;
		3238
		3239	# default colour, mask it out
		3240	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3241	if $color & cf::NDI_DEF;
		3242
		3243	my $pkt = "msg "
		3244	. $self->{json_coder}->encode (
		3245	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3246	);
		3247
		3248	$self->send_big_packet ($pkt);
		3249	}
		3250
2174	=item $client->ext_event ($type, %msg)	3251	=item $client->ext_msg ($type, @msg)
2175		3252
2176	Sends an exti event to the client.	3253	Sends an ext event to the client.
2177		3254
2178	=cut	3255	=cut
2179		3256
2180	sub cf::client::ext_event($$%) {	3257	sub cf::client::ext_msg($$@) {
2181	my ($self, $type, %msg) = @_;	3258	my ($self, $type, @msg) = @_;
2182		3259
2183	$msg{msgtype} = "event_$type";	3260	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2184	$self->send_packet ("ext " . cf::to_json \%msg);
2185	}	3261	}
2186		3262
2187	=item $success = $client->query ($flags, "text", \&cb)	3263	=item $success = $client->query ($flags, "text", \&cb)
2188		3264
2189	Queues a query to the client, calling the given callback with	3265	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>,	3266	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>.	3267	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2192		3268
2193	Queries can fail, so check the return code. Or don't, as queries will become	3269	Queries can fail, so check the return code. Or don't, as queries will
2194	reliable at some point in the future.	3270	become reliable at some point in the future.
2195		3271
2196	=cut	3272	=cut
2197		3273
2198	sub cf::client::query {	3274	sub cf::client::query {
2199	my ($self, $flags, $text, $cb) = @_;	3275	my ($self, $flags, $text, $cb) = @_;
…		…
2207	utf8::encode $text;	3283	utf8::encode $text;
2208	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3284	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2209		3285
2210	$self->send_packet ($self->{query_queue}[0][0])	3286	$self->send_packet ($self->{query_queue}[0][0])
2211	if @{ $self->{query_queue} } == 1;	3287	if @{ $self->{query_queue} } == 1;
		3288
		3289	1
2212	}	3290	}
2213		3291
2214	cf::client->attach (	3292	cf::client->attach (
		3293	on_connect => sub {
		3294	my ($ns) = @_;
		3295
		3296	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3297	},
2215	on_reply => sub {	3298	on_reply => sub {
2216	my ($ns, $msg) = @_;	3299	my ($ns, $msg) = @_;
2217		3300
2218	# this weird shuffling is so that direct followup queries	3301	# this weird shuffling is so that direct followup queries
2219	# get handled first	3302	# get handled first
…		…
2231	} else {	3314	} else {
2232	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3315	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2233	}	3316	}
2234	}	3317	}
2235	},	3318	},
		3319	on_exticmd => sub {
		3320	my ($ns, $buf) = @_;
		3321
		3322	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3323
		3324	if (ref $msg) {
		3325	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3326
		3327	if (my $cb = $EXTIACMD{$type}) {
		3328	$cb->(
		3329	$ns,
		3330	sub {
		3331	$ns->ext_msg ("reply-$reply", @_)
		3332	if $reply;
		3333	},
		3334	@payload
		3335	);
		3336	} else {
		3337	my @reply;
		3338
		3339	if (my $cb = $EXTICMD{$type}) {
		3340	@reply = $cb->($ns, @payload);
		3341	}
		3342
		3343	$ns->ext_msg ("reply-$reply", @reply)
		3344	if $reply;
		3345	}
		3346	} else {
		3347	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3348	}
		3349
		3350	cf::override;
		3351	},
2236	);	3352	);
2237		3353
2238	=item $client->async (\&cb)	3354	=item $client->async (\&cb)
2239		3355
2240	Create a new coroutine, running the specified callback. The coroutine will	3356	Create a new coroutine, running the specified callback. The coroutine will
…		…
2256		3372
2257	$coro	3373	$coro
2258	}	3374	}
2259		3375
2260	cf::client->attach (	3376	cf::client->attach (
2261	on_destroy => sub {	3377	on_client_destroy => sub {
2262	my ($ns) = @_;	3378	my ($ns) = @_;
2263		3379
2264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3380	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2265	},	3381	},
2266	);	3382	);
…		…
2281	our $safe = new Safe "safe";	3397	our $safe = new Safe "safe";
2282	our $safe_hole = new Safe::Hole;	3398	our $safe_hole = new Safe::Hole;
2283		3399
2284	$SIG{FPE} = 'IGNORE';	3400	$SIG{FPE} = 'IGNORE';
2285		3401
2286	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3402	$safe->permit_only (Opcode::opset qw(
		3403	:base_core :base_mem :base_orig :base_math :base_loop
		3404	grepstart grepwhile mapstart mapwhile
		3405	sort time
		3406	));
2287		3407
2288	# here we export the classes and methods available to script code	3408	# here we export the classes and methods available to script code
2289		3409
2290	=pod	3410	=pod
2291		3411
2292	The following functions and methods are available within a safe environment:	3412	The following functions and methods are available within a safe environment:
2293		3413
2294	cf::object contr pay_amount pay_player map	3414	cf::object
		3415	contr pay_amount pay_player map x y force_find force_add destroy
		3416	insert remove name archname title slaying race decrease split
		3417	value
		3418
2295	cf::object::player player	3419	cf::object::player
2296	cf::player peaceful	3420	player
2297	cf::map trigger	3421
		3422	cf::player
		3423	peaceful
		3424
		3425	cf::map
		3426	trigger
2298		3427
2299	=cut	3428	=cut
2300		3429
2301	for (	3430	for (
2302	["cf::object" => qw(contr pay_amount pay_player map)],	3431	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3432	insert remove inv nrof name archname title slaying race
		3433	decrease split destroy change_exp value msg lore send_msg)],
2303	["cf::object::player" => qw(player)],	3434	["cf::object::player" => qw(player)],
2304	["cf::player" => qw(peaceful)],	3435	["cf::player" => qw(peaceful send_msg)],
2305	["cf::map" => qw(trigger)],	3436	["cf::map" => qw(trigger)],
2306	) {	3437	) {
2307	no strict 'refs';
2308	my ($pkg, @funs) = @$_;	3438	my ($pkg, @funs) = @$_;
2309	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3439	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2310	for @funs;	3440	for @funs;
2311	}	3441	}
2312		3442
…		…
2327		3457
2328	my $qcode = $code;	3458	my $qcode = $code;
2329	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3459	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2330	$qcode =~ s/\n/\\n/g;	3460	$qcode =~ s/\n/\\n/g;
2331		3461
		3462	%vars = (_dummy => 0) unless %vars;
		3463
		3464	my @res;
2332	local $_;	3465	local $_;
2333	local @safe::cf::_safe_eval_args = values %vars;
2334		3466
2335	my $eval =	3467	my $eval =
2336	"do {\n"	3468	"do {\n"
2337	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3469	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2338	. "#line 0 \"{$qcode}\"\n"	3470	. "#line 0 \"{$qcode}\"\n"
2339	. $code	3471	. $code
2340	. "\n}"	3472	. "\n}"
2341	;	3473	;
2342		3474
		3475	if ($CFG{safe_eval}) {
2343	sub_generation_inc;	3476	sub_generation_inc;
		3477	local @safe::cf::_safe_eval_args = values %vars;
2344	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3478	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2345	sub_generation_inc;	3479	sub_generation_inc;
		3480	} else {
		3481	local @cf::_safe_eval_args = values %vars;
		3482	@res = wantarray ? eval eval : scalar eval $eval;
		3483	}
2346		3484
2347	if ($@) {	3485	if ($@) {
2348	warn "$@";	3486	warn "$@",
2349	warn "while executing safe code '$code'\n";	3487	"while executing safe code '$code'\n",
2350	warn "with arguments " . (join " ", %vars) . "\n";	3488	"with arguments " . (join " ", %vars) . "\n";
2351	}	3489	}
2352		3490
2353	wantarray ? @res : $res[0]	3491	wantarray ? @res : $res[0]
2354	}	3492	}
2355		3493
…		…
2369	=cut	3507	=cut
2370		3508
2371	sub register_script_function {	3509	sub register_script_function {
2372	my ($fun, $cb) = @_;	3510	my ($fun, $cb) = @_;
2373		3511
2374	no strict 'refs';	3512	$fun = "safe::$fun" if $CFG{safe_eval};
2375	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3513	*$fun = $safe_hole->wrap ($cb);
2376	}	3514	}
2377		3515
2378	=back	3516	=back
2379		3517
2380	=cut	3518	=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 $@;
2550	_exit 0;
2551	}
2552	}
2553		3519
2554	#############################################################################	3520	#############################################################################
2555	# the server's init and main functions	3521	# the server's init and main functions
2556		3522
		3523	our %FACEHASH; # hash => idx, #d# HACK for http server
		3524
		3525	# internal api, not fianlised
		3526	sub set_face {
		3527	my ($name, $type, $data) = @_;
		3528
		3529	my $idx = cf::face::find $name;
		3530
		3531	if ($idx) {
		3532	delete $FACEHASH{cf::face::get_chksum $idx};
		3533	} else {
		3534	$idx = cf::face::alloc $name;
		3535	}
		3536
		3537	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3538
		3539	cf::face::set_type $idx, $type;
		3540	cf::face::set_data $idx, 0, $data, $hash;
		3541	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3542	$FACEHASH{$hash} = $idx;#d#
		3543
		3544	$idx
		3545	}
		3546
2557	sub load_facedata($) {	3547	sub load_facedata($) {
2558	my ($path) = @_;	3548	my ($path) = @_;
2559		3549
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
		3554	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3555
2560	warn "loading facedata from $path\n";	3556	trace "loading facedata from $path\n";
2561		3557
2562	my $facedata;	3558	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		3559
2568	$facedata->{version} == 2	3560	$facedata->{version} == 2
2569	or cf::cleanup "$path: version mismatch, cannot proceed.";	3561	or cf::cleanup "$path: version mismatch, cannot proceed.";
2570		3562
		3563	cf::cede_to_tick;
		3564
2571	{	3565	{
2572	my $faces = $facedata->{faceinfo};	3566	my $faces = delete $facedata->{faceinfo};
2573		3567
2574	while (my ($face, $info) = each %$faces) {	3568	for my $face (sort keys %$faces) {
		3569	my $info = $faces->{$face};
2575	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3570	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3571
2576	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3572	cf::face::set_visibility $idx, $info->{visibility};
		3573	cf::face::set_magicmap $idx, $info->{magicmap};
2577	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3574	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2578	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3575	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2579	Coro::cede;	3576	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3577	$FACEHASH{$info->{hash64}} = $idx;#d#
		3578
		3579	cf::cede_to_tick;
2580	}	3580	}
2581		3581
2582	while (my ($face, $info) = each %$faces) {	3582	while (my ($face, $info) = each %$faces) {
2583	next unless $info->{smooth};	3583	next unless $info->{smooth};
		3584
2584	my $idx = cf::face::find $face	3585	my $idx = cf::face::find $face
2585	or next;	3586	or next;
		3587
2586	if (my $smooth = cf::face::find $info->{smooth}) {	3588	if (my $smooth = cf::face::find $info->{smooth}) {
		3589	cf::face::set_smooth $idx, $smooth;
2587	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3590	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2588	} else {	3591	} else {
2589	warn "smooth face '$info->{smooth}' not found for face '$face'";	3592	error "smooth face '$info->{smooth}' not found for face '$face'";
2590	}	3593	}
2591	Coro::cede;	3594
		3595	cf::cede_to_tick;
2592	}	3596	}
2593	}	3597	}
2594		3598
2595	{	3599	{
2596	my $anims = $facedata->{animinfo};	3600	my $anims = delete $facedata->{animinfo};
2597		3601
2598	while (my ($anim, $info) = each %$anims) {	3602	while (my ($anim, $info) = each %$anims) {
2599	cf::anim::set $anim, $info->{frames}, $info->{facings};	3603	cf::anim::set $anim, $info->{frames}, $info->{facings};
2600	Coro::cede;	3604	cf::cede_to_tick;
2601	}	3605	}
2602		3606
2603	cf::anim::invalidate_all; # d'oh	3607	cf::anim::invalidate_all; # d'oh
2604	}	3608	}
2605		3609
		3610	{
		3611	my $res = delete $facedata->{resource};
		3612
		3613	while (my ($name, $info) = each %$res) {
		3614	if (defined (my $type = $info->{type})) {
		3615	# TODO: different hash - must free and use new index, or cache ixface data queue
		3616	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3617
		3618	cf::face::set_type $idx, $type;
		3619	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3620	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3621	$FACEHASH{$info->{hash}} = $idx;#d#
		3622	} else {
		3623	# $RESOURCE{$name} = $info; # unused
		3624	}
		3625
		3626	cf::cede_to_tick;
		3627	}
		3628	}
		3629
		3630	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3631
2606	1	3632	1
2607	}	3633	}
2608		3634
		3635	register_exticmd fx_want => sub {
		3636	my ($ns, $want) = @_;
		3637
		3638	while (my ($k, $v) = each %$want) {
		3639	$ns->fx_want ($k, $v);
		3640	}
		3641	};
		3642
		3643	sub load_resource_file($) {
		3644	my $guard = lock_acquire "load_resource_file";
		3645
		3646	my $status = load_resource_file_ $_[0];
		3647	get_slot 0.1, 100;
		3648	cf::arch::commit_load;
		3649
		3650	$status
		3651	}
		3652
		3653	sub reload_exp_table {
		3654	_reload_exp_table;
		3655
		3656	set_face "res/exp_table" => FT_RSRC,
		3657	JSON::XS->new->utf8->canonical->encode (
		3658	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3659	);
		3660	}
		3661
		3662	sub reload_materials {
		3663	_reload_materials;
		3664	}
		3665
2609	sub reload_regions {	3666	sub reload_regions {
		3667	# HACK to clear player env face cache, we need some signal framework
		3668	# for this (global event?)
		3669	%ext::player_env::MUSIC_FACE_CACHE = ();
		3670
2610	load_resource_file "$MAPDIR/regions"	3671	load_resource_file "$MAPDIR/regions"
2611	or die "unable to load regions file\n";	3672	or die "unable to load regions file\n";
		3673
		3674	for (cf::region::list) {
		3675	$_->{match} = qr/$_->{match}/
		3676	if exists $_->{match};
		3677	}
2612	}	3678	}
2613		3679
2614	sub reload_facedata {	3680	sub reload_facedata {
2615	load_facedata "$DATADIR/facedata"	3681	load_facedata "$DATADIR/facedata"
2616	or die "unable to load facedata\n";	3682	or die "unable to load facedata\n";
2617	}	3683	}
2618		3684
2619	sub reload_archetypes {	3685	sub reload_archetypes {
2620	load_resource_file "$DATADIR/archetypes"	3686	load_resource_file "$DATADIR/archetypes"
2621	or die "unable to load archetypes\n";	3687	or die "unable to load archetypes\n";
		3688
		3689	set_face "res/skill_info" => FT_RSRC,
		3690	JSON::XS->new->utf8->canonical->encode (
		3691	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3692	);
		3693	set_face "res/spell_paths" => FT_RSRC,
		3694	JSON::XS->new->utf8->canonical->encode (
		3695	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3696	);
2622	}	3697	}
2623		3698
2624	sub reload_treasures {	3699	sub reload_treasures {
2625	load_resource_file "$DATADIR/treasures"	3700	load_resource_file "$DATADIR/treasures"
2626	or die "unable to load treasurelists\n";	3701	or die "unable to load treasurelists\n";
2627	}	3702	}
2628		3703
		3704	sub reload_sound {
		3705	trace "loading sound config from $DATADIR/sound\n";
		3706
		3707	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3708
		3709	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3710	my $sound = $soundconf->{compat}[$_]
		3711	or next;
		3712
		3713	my $face = cf::face::find "sound/$sound->[1]";
		3714	cf::sound::set $sound->[0] => $face;
		3715	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3716	}
		3717
		3718	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3719	my $face = cf::face::find "sound/$v";
		3720	cf::sound::set $k => $face;
		3721	}
		3722	}
		3723
2629	sub reload_resources {	3724	sub reload_resources {
2630	warn "reloading resource files...\n";	3725	trace "reloading resource files...\n";
2631		3726
		3727	reload_materials;
		3728	reload_facedata;
		3729	reload_exp_table;
		3730	reload_sound;
		3731	reload_archetypes;
2632	reload_regions;	3732	reload_regions;
2633	reload_facedata;
2634	#reload_archetypes;#d#
2635	reload_archetypes;
2636	reload_treasures;	3733	reload_treasures;
2637		3734
2638	warn "finished reloading resource files\n";	3735	trace "finished reloading resource files\n";
2639	}	3736	}
2640		3737
2641	sub init {	3738	sub reload_config {
2642	reload_resources;	3739	trace "reloading config file...\n";
2643	}
2644		3740
2645	sub cfg_load {	3741	my $config = load_file "$CONFDIR/config";
2646	open my $fh, "<:utf8", "$CONFDIR/config"	3742	utf8::decode $config;
2647	or return;	3743	*CFG = decode_yaml $config;
2648		3744
2649	local $/;
2650	*CFG = YAML::Syck::Load <$fh>;
2651
2652	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3745	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2653		3746
2654	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3747	$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};	3748	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2656		3749
2657	if (exists $CFG{mlockall}) {	3750	if (exists $CFG{mlockall}) {
…		…
2661	};	3754	};
2662	warn $@ if $@;	3755	warn $@ if $@;
2663	}	3756	}
2664	}	3757	}
2665		3758
		3759	sub pidfile() {
		3760	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3761	or die "$PIDFILE: $!";
		3762	flock $fh, &Fcntl::LOCK_EX
		3763	or die "$PIDFILE: flock: $!";
		3764	$fh
		3765	}
		3766
		3767	# make sure only one server instance is running at any one time
		3768	sub atomic {
		3769	my $fh = pidfile;
		3770
		3771	my $pid = <$fh>;
		3772	kill 9, $pid if $pid > 0;
		3773
		3774	seek $fh, 0, 0;
		3775	print $fh $$;
		3776	}
		3777
		3778	sub main_loop {
		3779	trace "EV::loop starting\n";
		3780	if (1) {
		3781	EV::loop;
		3782	}
		3783	trace "EV::loop returned\n";
		3784	goto &main_loop unless $REALLY_UNLOOP;
		3785	}
		3786
2666	sub main {	3787	sub main {
		3788	cf::init_globals; # initialise logging
		3789
		3790	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3791	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3792	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3793	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3794
		3795	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3796
2667	# we must not ever block the main coroutine	3797	# we must not ever block the main coroutine
2668	local $Coro::idle = sub {	3798	$Coro::idle = sub {
2669	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3799	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2670	(async {	3800	(async {
2671	Event::one_event;	3801	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3802	EV::loop EV::LOOP_ONESHOT;
2672	})->prio (Coro::PRIO_MAX);	3803	})->prio (Coro::PRIO_MAX);
2673	};	3804	};
2674		3805
2675	cfg_load;	3806	evthread_start IO::AIO::poll_fileno;
		3807
		3808	cf::sync_job {
		3809	cf::incloader::init ();
		3810
2676	db_init;	3811	db_init;
		3812
		3813	cf::init_anim;
		3814	cf::init_attackmess;
		3815	cf::init_dynamic;
		3816
		3817	cf::load_settings;
		3818
		3819	reload_resources;
		3820	reload_config;
		3821
		3822	cf::init_uuid;
		3823	cf::init_signals;
		3824	cf::init_skills;
		3825
		3826	cf::init_beforeplay;
		3827
		3828	atomic;
		3829
2677	load_extensions;	3830	load_extensions;
2678		3831
2679	$TICK_WATCHER->start;	3832	utime time, time, $RUNTIMEFILE;
2680	Event::loop;	3833
		3834	# no (long-running) fork's whatsoever before this point(!)
		3835	use POSIX ();
		3836	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3837
		3838	cf::_post_init 0;
		3839	};
		3840
		3841	cf::object::thawer::errors_are_fatal 0;
		3842	info "parse errors in files are no longer fatal from this point on.\n";
		3843
		3844	AE::postpone {
		3845	undef &main; # free gobs of memory :)
		3846	};
		3847
		3848	goto &main_loop;
2681	}	3849	}
2682		3850
2683	#############################################################################	3851	#############################################################################
2684	# initialisation and cleanup	3852	# initialisation and cleanup
2685		3853
2686	# install some emergency cleanup handlers	3854	# install some emergency cleanup handlers
2687	BEGIN {	3855	BEGIN {
		3856	our %SIGWATCHER = ();
2688	for my $signal (qw(INT HUP TERM)) {	3857	for my $signal (qw(INT HUP TERM)) {
2689	Event->signal (	3858	$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";	3859	cf::cleanup "SIG$signal";
2696	},
2697	);	3860	};
		3861	}
		3862	}
		3863
		3864	sub write_runtime_sync {
		3865	my $t0 = AE::time;
		3866
		3867	# first touch the runtime file to show we are still running:
		3868	# the fsync below can take a very very long time.
		3869
		3870	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3871
		3872	my $guard = cf::lock_acquire "write_runtime";
		3873
		3874	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3875	or return;
		3876
		3877	my $value = $cf::RUNTIME + 90 + 10;
		3878	# 10 is the runtime save interval, for a monotonic clock
		3879	# 60 allows for the watchdog to kill the server.
		3880
		3881	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3882	and return;
		3883
		3884	# always fsync - this file is important
		3885	aio_fsync $fh
		3886	and return;
		3887
		3888	# touch it again to show we are up-to-date
		3889	aio_utime $fh, undef, undef;
		3890
		3891	close $fh
		3892	or return;
		3893
		3894	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3895	and return;
		3896
		3897	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3898
2698	}	3899	1
		3900	}
		3901
		3902	our $uuid_lock;
		3903	our $uuid_skip;
		3904
		3905	sub write_uuid_sync($) {
		3906	$uuid_skip ||= $_[0];
		3907
		3908	return if $uuid_lock;
		3909	local $uuid_lock = 1;
		3910
		3911	my $uuid = "$LOCALDIR/uuid";
		3912
		3913	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3914	or return;
		3915
		3916	my $value = uuid_seq uuid_cur;
		3917
		3918	unless ($value) {
		3919	info "cowardly refusing to write zero uuid value!\n";
		3920	return;
		3921	}
		3922
		3923	my $value = uuid_str $value + $uuid_skip;
		3924	$uuid_skip = 0;
		3925
		3926	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3927	and return;
		3928
		3929	# always fsync - this file is important
		3930	aio_fsync $fh
		3931	and return;
		3932
		3933	close $fh
		3934	or return;
		3935
		3936	aio_rename "$uuid~", $uuid
		3937	and return;
		3938
		3939	trace "uuid file written ($value).\n";
		3940
		3941	1
		3942
		3943	}
		3944
		3945	sub write_uuid($$) {
		3946	my ($skip, $sync) = @_;
		3947
		3948	$sync ? write_uuid_sync $skip
		3949	: async { write_uuid_sync $skip };
2699	}	3950	}
2700		3951
2701	sub emergency_save() {	3952	sub emergency_save() {
2702	my $freeze_guard = cf::freeze_mainloop;	3953	my $freeze_guard = cf::freeze_mainloop;
2703		3954
2704	warn "enter emergency perl save\n";	3955	info "emergency_perl_save: enter\n";
		3956
		3957	# this is a trade-off: we want to be very quick here, so
		3958	# save all maps without fsync, and later call a global sync
		3959	# (which in turn might be very very slow)
		3960	local $USE_FSYNC = 0;
2705		3961
2706	cf::sync_job {	3962	cf::sync_job {
		3963	cf::write_runtime_sync; # external watchdog should not bark
		3964
2707	# use a peculiar iteration method to avoid tripping on perl	3965	# use a peculiar iteration method to avoid tripping on perl
2708	# refcount bugs in for. also avoids problems with players	3966	# refcount bugs in for. also avoids problems with players
2709	# and maps saved/destroyed asynchronously.	3967	# and maps saved/destroyed asynchronously.
2710	warn "begin emergency player save\n";	3968	info "emergency_perl_save: begin player save\n";
2711	for my $login (keys %cf::PLAYER) {	3969	for my $login (keys %cf::PLAYER) {
2712	my $pl = $cf::PLAYER{$login} or next;	3970	my $pl = $cf::PLAYER{$login} or next;
2713	$pl->valid or next;	3971	$pl->valid or next;
		3972	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2714	$pl->save;	3973	$pl->save;
2715	}	3974	}
2716	warn "end emergency player save\n";	3975	info "emergency_perl_save: end player save\n";
2717		3976
2718	warn "begin emergency map save\n";	3977	cf::write_runtime_sync; # external watchdog should not bark
		3978
		3979	info "emergency_perl_save: begin map save\n";
2719	for my $path (keys %cf::MAP) {	3980	for my $path (keys %cf::MAP) {
2720	my $map = $cf::MAP{$path} or next;	3981	my $map = $cf::MAP{$path} or next;
2721	$map->valid or next;	3982	$map->valid or next;
2722	$map->save;	3983	$map->save;
2723	}	3984	}
2724	warn "end emergency map save\n";	3985	info "emergency_perl_save: end map save\n";
2725		3986
2726	warn "begin emergency database checkpoint\n";	3987	cf::write_runtime_sync; # external watchdog should not bark
		3988
		3989	info "emergency_perl_save: begin database checkpoint\n";
2727	BDB::db_env_txn_checkpoint $DB_ENV;	3990	BDB::db_env_txn_checkpoint $DB_ENV;
2728	warn "end emergency database checkpoint\n";	3991	info "emergency_perl_save: end database checkpoint\n";
		3992
		3993	info "emergency_perl_save: begin write uuid\n";
		3994	write_uuid_sync 1;
		3995	info "emergency_perl_save: end write uuid\n";
		3996
		3997	cf::write_runtime_sync; # external watchdog should not bark
		3998
		3999	trace "emergency_perl_save: syncing database to disk";
		4000	BDB::db_env_txn_checkpoint $DB_ENV;
		4001
		4002	info "emergency_perl_save: starting sync\n";
		4003	IO::AIO::aio_sync sub {
		4004	info "emergency_perl_save: finished sync\n";
		4005	};
		4006
		4007	cf::write_runtime_sync; # external watchdog should not bark
		4008
		4009	trace "emergency_perl_save: flushing outstanding aio requests";
		4010	while (IO::AIO::nreqs || BDB::nreqs) {
		4011	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4012	}
		4013
		4014	cf::write_runtime_sync; # external watchdog should not bark
2729	};	4015	};
2730		4016
2731	warn "leave emergency perl save\n";	4017	info "emergency_perl_save: leave\n";
2732	}	4018	}
2733		4019
2734	sub post_cleanup {	4020	sub post_cleanup {
2735	my ($make_core) = @_;	4021	my ($make_core) = @_;
2736		4022
		4023	IO::AIO::flush;
		4024
2737	warn Carp::longmess "post_cleanup backtrace"	4025	error Carp::longmess "post_cleanup backtrace"
2738	if $make_core;	4026	if $make_core;
		4027
		4028	my $fh = pidfile;
		4029	unlink $PIDFILE if <$fh> == $$;
		4030	}
		4031
		4032	# a safer delete_package, copied from Symbol
		4033	sub clear_package($) {
		4034	my $pkg = shift;
		4035
		4036	# expand to full symbol table name if needed
		4037	unless ($pkg =~ /^main::.*::$/) {
		4038	$pkg = "main$pkg" if $pkg =~ /^::/;
		4039	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4040	$pkg .= '::' unless $pkg =~ /::$/;
		4041	}
		4042
		4043	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4044	my $stem_symtab = *{$stem}{HASH};
		4045
		4046	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4047	or return;
		4048
		4049	# clear all symbols
		4050	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4051	for my $name (keys %$leaf_symtab) {
		4052	_gv_clear *{"$pkg$name"};
		4053	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4054	}
2739	}	4055	}
2740		4056
2741	sub do_reload_perl() {	4057	sub do_reload_perl() {
2742	# can/must only be called in main	4058	# can/must only be called in main
2743	if ($Coro::current != $Coro::main) {	4059	unless (in_main) {
2744	warn "can only reload from main coroutine";	4060	error "can only reload from main coroutine";
2745	return;	4061	return;
2746	}	4062	}
2747		4063
2748	warn "reloading...";	4064	return if $RELOAD++;
2749		4065
2750	warn "entering sync_job";	4066	my $t1 = AE::time;
2751		4067
		4068	while ($RELOAD) {
		4069	cf::get_slot 0.1, -1, "reload_perl";
		4070	info "perl_reload: reloading...";
		4071
		4072	trace "perl_reload: entering sync_job";
		4073
2752	cf::sync_job {	4074	cf::sync_job {
2753	cf::write_runtime; # external watchdog should not bark
2754	cf::emergency_save;	4075	#cf::emergency_save;
2755	cf::write_runtime; # external watchdog should not bark
2756		4076
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";	4077	trace "perl_reload: cancelling all extension coros";
2779	$_->cancel for values %EXT_CORO;	4078	$_->cancel for values %EXT_CORO;
2780	%EXT_CORO = ();	4079	%EXT_CORO = ();
2781		4080
2782	warn "removing commands";	4081	trace "perl_reload: removing commands";
2783	%COMMAND = ();	4082	%COMMAND = ();
2784		4083
2785	warn "removing ext commands";	4084	trace "perl_reload: removing ext/exti commands";
2786	%EXTCMD = ();	4085	%EXTCMD = ();
		4086	%EXTICMD = ();
2787		4087
2788	warn "unloading/nuking all extensions";	4088	trace "perl_reload: unloading/nuking all extensions";
2789	for my $pkg (@EXTS) {	4089	for my $pkg (@EXTS) {
2790	warn "... unloading $pkg";	4090	trace "... unloading $pkg";
2791		4091
2792	if (my $cb = $pkg->can ("unload")) {	4092	if (my $cb = $pkg->can ("unload")) {
2793	eval {	4093	eval {
2794	$cb->($pkg);	4094	$cb->($pkg);
2795	1	4095	1
2796	} or warn "$pkg unloaded, but with errors: $@";	4096	} or error "$pkg unloaded, but with errors: $@";
		4097	}
		4098
		4099	trace "... clearing $pkg";
		4100	clear_package $pkg;
2797	}	4101	}
2798		4102
2799	warn "... nuking $pkg";
2800	Symbol::delete_package $pkg;
2801	}
2802
2803	warn "unloading all perl modules loaded from $LIBDIR";	4103	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2804	while (my ($k, $v) = each %INC) {	4104	while (my ($k, $v) = each %INC) {
2805	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4105	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2806		4106
2807	warn "... unloading $k";	4107	trace "... unloading $k";
2808	delete $INC{$k};	4108	delete $INC{$k};
2809		4109
2810	$k =~ s/\.pm$//;	4110	$k =~ s/\.pm$//;
2811	$k =~ s/\//::/g;	4111	$k =~ s/\//::/g;
2812		4112
2813	if (my $cb = $k->can ("unload_module")) {	4113	if (my $cb = $k->can ("unload_module")) {
2814	$cb->();	4114	$cb->();
		4115	}
		4116
		4117	clear_package $k;
2815	}	4118	}
2816		4119
2817	Symbol::delete_package $k;
2818	}
2819
2820	warn "getting rid of safe::, as good as possible";	4120	trace "perl_reload: getting rid of safe::, as good as possible";
2821	Symbol::delete_package "safe::$_"	4121	clear_package "safe::$_"
2822	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4122	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2823		4123
2824	warn "unloading cf.pm \"a bit\"";	4124	trace "perl_reload: unloading cf.pm \"a bit\"";
2825	delete $INC{"cf.pm"};	4125	delete $INC{"cf.pm"};
2826	delete $INC{"cf/pod.pm"};	4126	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2827		4127
2828	# don't, removes xs symbols, too,	4128	# don't, removes xs symbols, too,
2829	# and global variables created in xs	4129	# and global variables created in xs
2830	#Symbol::delete_package __PACKAGE__;	4130	#clear_package __PACKAGE__;
2831		4131
2832	warn "unload completed, starting to reload now";	4132	info "perl_reload: unload completed, starting to reload now";
2833		4133
2834	warn "reloading cf.pm";	4134	trace "perl_reload: reloading cf.pm";
2835	require cf;	4135	require cf;
2836	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4136	cf::_connect_to_perl_1;
2837		4137
2838	warn "loading config and database again";	4138	trace "perl_reload: loading config and database again";
2839	cf::cfg_load;	4139	cf::reload_config;
2840		4140
2841	warn "loading extensions";	4141	trace "perl_reload: loading extensions";
2842	cf::load_extensions;	4142	cf::load_extensions;
2843		4143
		4144	if ($REATTACH_ON_RELOAD) {
2844	warn "reattaching attachments to objects/players";	4145	trace "perl_reload: reattaching attachments to objects/players";
2845	_global_reattach; # objects, sockets	4146	_global_reattach; # objects, sockets
2846	warn "reattaching attachments to maps";	4147	trace "perl_reload: reattaching attachments to maps";
2847	reattach $_ for values %MAP;	4148	reattach $_ for values %MAP;
2848	warn "reattaching attachments to players";	4149	trace "perl_reload: reattaching attachments to players";
2849	reattach $_ for values %PLAYER;	4150	reattach $_ for values %PLAYER;
		4151	}
2850		4152
2851	warn "leaving sync_job";	4153	cf::_post_init 1;
2852		4154
		4155	trace "perl_reload: leaving sync_job";
		4156
2853	1	4157	1
2854	} or do {	4158	} or do {
2855	warn $@;	4159	error $@;
2856	warn "error while reloading, exiting.";	4160	cf::cleanup "perl_reload: error, exiting.";
2857	exit 1;	4161	};
		4162
		4163	--$RELOAD;
2858	};	4164	}
2859		4165
2860	warn "reloaded";	4166	$t1 = AE::time - $t1;
		4167	info "perl_reload: completed in ${t1}s\n";
2861	};	4168	};
2862		4169
2863	our $RELOAD_WATCHER; # used only during reload	4170	our $RELOAD_WATCHER; # used only during reload
2864		4171
2865	sub reload_perl() {	4172	sub reload_perl() {
2866	# doing reload synchronously and two reloads happen back-to-back,	4173	# doing reload synchronously and two reloads happen back-to-back,
2867	# coro crashes during coro_state_free->destroy here.	4174	# coro crashes during coro_state_free->destroy here.
2868		4175
2869	$RELOAD_WATCHER ||= Event->timer (	4176	$RELOAD_WATCHER ||= cf::async {
2870	reentrant => 0,	4177	Coro::AIO::aio_wait cache_extensions;
2871	after => 0,	4178
2872	data => WF_AUTOCANCEL,	4179	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2873	cb => sub {
2874	do_reload_perl;	4180	do_reload_perl;
2875	undef $RELOAD_WATCHER;	4181	undef $RELOAD_WATCHER;
2876	},	4182	};
2877	);	4183	};
2878	}	4184	}
2879		4185
2880	register_command "reload" => sub {	4186	register_command "reload" => sub {
2881	my ($who, $arg) = @_;	4187	my ($who, $arg) = @_;
2882		4188
2883	if ($who->flag (FLAG_WIZ)) {	4189	if ($who->flag (FLAG_WIZ)) {
2884	$who->message ("reloading server.");	4190	$who->message ("reloading server.");
		4191	async {
		4192	$Coro::current->{desc} = "perl_reload";
2885	async { reload_perl };	4193	reload_perl;
		4194	};
2886	}	4195	}
2887	};	4196	};
2888		4197
2889	unshift @INC, $LIBDIR;	4198	#############################################################################
2890		4199
2891	my $bug_warning = 0;	4200	my $bug_warning = 0;
2892		4201
2893	our @WAIT_FOR_TICK;
2894	our @WAIT_FOR_TICK_BEGIN;
2895
2896	sub wait_for_tick {	4202	sub wait_for_tick() {
2897	return unless $TICK_WATCHER->is_active;	4203	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2898	return if $Coro::current == $Coro::main;
2899		4204
2900	my $signal = new Coro::Signal;	4205	$WAIT_FOR_TICK->wait;
2901	push @WAIT_FOR_TICK, $signal;
2902	$signal->wait;
2903	}	4206	}
2904		4207
2905	sub wait_for_tick_begin {	4208	sub wait_for_tick_begin() {
2906	return unless $TICK_WATCHER->is_active;	4209	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2907	return if $Coro::current == $Coro::main;
2908		4210
2909	my $signal = new Coro::Signal;	4211	my $signal = new Coro::Signal;
2910	push @WAIT_FOR_TICK_BEGIN, $signal;	4212	push @WAIT_FOR_TICK_BEGIN, $signal;
2911	$signal->wait;	4213	$signal->wait;
2912	}	4214	}
2913		4215
2914	my $min = 1e6;#d#	4216	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) {	4217	if ($Coro::current != $Coro::main) {
2924	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4218	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2925	unless ++$bug_warning > 10;	4219	unless ++$bug_warning > 10;
2926	return;	4220	return;
2927	}	4221	}
2928		4222
2929	$NOW = $tick_start = Event::time;	4223	cf::one_tick; # one server iteration
2930		4224
2931	cf::server_tick; # one server iteration	4225	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2932		4226
2933	0 && sync_job {#d#	4227	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2934	for(1..10) {	4228	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2935	my $t = Event::time;	4229	Coro::async_pool {
2936	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4230	$Coro::current->{desc} = "runtime saver";
2937	or die;	4231	write_runtime_sync
2938		4232	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	};	4233	};
		4234	}
2955		4235
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) {	4236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2971	$sig->send;	4237	$sig->send;
2972	}	4238	}
2973	while (my $sig = shift @WAIT_FOR_TICK) {	4239	$WAIT_FOR_TICK->broadcast;
2974	$sig->send;
2975	}
2976		4240
2977	$NOW = Event::time;	4241	$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;	4242	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2987		4243
2988	_post_tick;	4244	if (0) {
2989		4245	if ($NEXT_TICK) {
2990		4246	my $jitter = $TICK_START - $NEXT_TICK;
		4247	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4248	debug "jitter $JITTER\n";#d#
		4249	}
2991	},	4250	}
2992	);	4251	}
2993		4252
2994	{	4253	{
2995	BDB::max_poll_time $TICK * 0.1;	4254	# configure BDB
2996	$BDB_POLL_WATCHER = Event->io (	4255	info "initialising database";
2997	reentrant => 0,	4256
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;	4257	BDB::min_parallel 16;
3005		4258	BDB::max_poll_reqs $TICK * 0.1;
3006	BDB::set_sync_prepare {	4259	#$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		4260
3021	unless ($DB_ENV) {	4261	unless ($DB_ENV) {
3022	$DB_ENV = BDB::db_env_create;	4262	$DB_ENV = BDB::db_env_create;
		4263	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4264	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4265	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4266	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4267	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3023		4268
3024	cf::sync_job {	4269	cf::sync_job {
3025	eval {	4270	eval {
3026	BDB::db_env_open	4271	BDB::db_env_open
3027	$DB_ENV,	4272	$DB_ENV,
…		…
3029	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4274	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3030	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4275	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3031	0666;	4276	0666;
3032		4277
3033	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4278	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	};	4279	};
3038		4280
3039	cf::cleanup "db_env_open(db): $@" if $@;	4281	cf::cleanup "db_env_open(db): $@" if $@;
3040	};	4282	};
3041	}	4283	}
		4284
		4285	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4286	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4287	};
		4288	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4289	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4290	};
		4291	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4292	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4293	};
		4294
		4295	info "database initialised";
3042	}	4296	}
3043		4297
3044	{	4298	{
		4299	# configure IO::AIO
		4300
		4301	info "initialising aio";
3045	IO::AIO::min_parallel 8;	4302	IO::AIO::min_parallel 8;
3046
3047	undef $Coro::AIO::WATCHER;
3048	IO::AIO::max_poll_time $TICK * 0.1;	4303	IO::AIO::max_poll_time $TICK * 0.1;
3049	$AIO_POLL_WATCHER = Event->io (	4304	undef $AnyEvent::AIO::WATCHER;
3050	reentrant => 0,	4305	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	}	4306	}
3058		4307
3059	my $_log_backtrace;	4308	our $_log_backtrace;
		4309	our $_log_backtrace_last;
3060		4310
3061	sub _log_backtrace {	4311	sub _log_backtrace {
3062	my ($msg, @addr) = @_;	4312	my ($msg, @addr) = @_;
3063		4313
3064	$msg =~ s/\n//;	4314	$msg =~ s/\n$//;
3065		4315
		4316	if ($_log_backtrace_last eq $msg) {
		4317	LOG llevInfo, "[ABT] $msg\n";
		4318	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3066	# limit the # of concurrent backtraces	4319	# limit the # of concurrent backtraces
3067	if ($_log_backtrace < 2) {	4320	} elsif ($_log_backtrace < 2) {
		4321	$_log_backtrace_last = $msg;
3068	++$_log_backtrace;	4322	++$_log_backtrace;
		4323	my $perl_bt = Carp::longmess $msg;
3069	async {	4324	async {
		4325	$Coro::current->{desc} = "abt $msg";
		4326
3070	my @bt = fork_call {	4327	my @bt = fork_call {
3071	@addr = map { sprintf "%x", $_ } @addr;	4328	@addr = map { sprintf "%x", $_ } @addr;
3072	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4329	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3073	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4330	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3074	or die "addr2line: $!";	4331	or die "addr2line: $!";
…		…
3082	}	4339	}
3083		4340
3084	@funcs	4341	@funcs
3085	};	4342	};
3086		4343
3087	LOG llevInfo, "[ABT] $msg\n";	4344	LOG llevInfo, "[ABT] $perl_bt\n";
		4345	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3088	LOG llevInfo, "[ABT] $_\n" for @bt;	4346	LOG llevInfo, "[ABT] $_\n" for @bt;
3089	--$_log_backtrace;	4347	--$_log_backtrace;
3090	};	4348	};
3091	} else {	4349	} else {
3092	LOG llevInfo, "[ABT] $msg\n";	4350	LOG llevInfo, "[ABT] $msg\n";
3093	LOG llevInfo, "[ABT] [suppressed]\n";	4351	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3094	}	4352	}
3095	}	4353	}
3096		4354
3097	# load additional modules	4355	# load additional modules
3098	use cf::pod;	4356	require "cf/$_.pm" for @EXTRA_MODULES;
		4357	cf::_connect_to_perl_2;
3099		4358
3100	END { cf::emergency_save }	4359	END { cf::emergency_save }
3101		4360
3102	1	4361	1
3103		4362

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