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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.281 by root, Sat Jun 16 23:22:59 2007 UTC vs.
Revision 1.596 by root, Fri Nov 9 20:37:57 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;	63	use Time::HiRes;
32	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
33		68
34	# configure various modules to our taste	69	# configure various modules to our taste
35	#	70	#
36	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		79
40	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
41		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		82
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
48		86
49	our %COMMAND = ();	87	our %COMMAND = ();
50	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
51		89
52	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
		93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
56		97
57	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
59		102
60	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
61	our $DATADIR = datadir;	105	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
65	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
		116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
71		126
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	129	our $NEXT_TICK;
		130	our $USE_FSYNC = 1; # use fsync to write maps - default on
		131
		132	our $BDB_DEADLOCK_WATCHER;
		133	our $BDB_CHECKPOINT_WATCHER;
		134	our $BDB_TRICKLE_WATCHER;
		135	our $DB_ENV;
		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
		139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		141
		142	our $UPTIME; $UPTIME ||= time;
		143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
77	our $NOW;	145	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		146
80	our $BDB_POLL_WATCHER;	147	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	148	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
91		150
92	# used to convert map paths into valid unix filenames by replacing / by ∕	151	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		153
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
98		166
99	binmode STDOUT;	167	binmode STDOUT;
100	binmode STDERR;	168	binmode STDERR;
101		169
102	# read virtual server time, if available	170	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
107	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
108		178
109	mkdir $_	179	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		181
112	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
113		183
114	sub cf::map::normalise;	184	sub cf::map::normalise;
115		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
116	#############################################################################	190	#############################################################################
117		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
118	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
119		204
120	=over 4	205	=over 4
121		206
122	=item $cf::UPTIME	207	=item $cf::UPTIME
123		208
124	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
125		225
126	=item $cf::RUNTIME	226	=item $cf::RUNTIME
127		227
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	229	every server tick.
130		230
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		234
135	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
138	database environment.	238	database environment.
139		239
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	240	=item $cf::LOADAVG
149		241
150	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
155		247
156	The raw value load value from the last tick.	248	The raw value load value from the last tick.
157		249
158	=item %cf::CFG	250	=item %cf::CFG
159		251
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	253	from wherever your confdir points to.
162		254
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		256
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	258	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		260
		261	Note that cf::Wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
169	=back	290	=back
170		291
171	=cut	292	=cut
172		293
173	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	301	my $msg = join "", @_;
176		302
177	$msg .= "\n"	303	$msg .= "\n"
178	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
179		305
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		307
182	utf8::encode $msg;
183	LOG llevError, $msg;	308	LOG llevWarn, $msg;
184	};	309	};
185	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
186		324
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	335	for my $pkg (qw(
198	cf::global cf::attachable	336	cf::global cf::attachable
199	cf::object cf::object::player	337	cf::object cf::object::player
200	cf::client cf::player	338	cf::client cf::player
201	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
202	cf::map cf::party cf::region	341	cf::party cf::region
203	)) {	342	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	344	}
207		345
208	$Event::DIED = sub {	346	$EV::DIED = sub {
209	warn "error in event callback: @_";	347	warn "error in event callback: $@";
210	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
211		354
212	#############################################################################	355	#############################################################################
213		356
214	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
215		358
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	380	$d
238	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
239	}	382	}
240		383
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
242		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
243	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
244		437
245	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
246		439
247	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
248		441
249	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
250		443
		444	=cut
		445
		446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		447
		448	sub encode_json($) { $json_coder->encode ($_[0]) }
		449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
251	=item cf::lock_wait $string	513	=item cf::lock_wait $string
252		514
253	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
254		516
255	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
256		518
257	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
260	returned.	522	returned.
261		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
262	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
264		529
265	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
266		531
267	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
268		533
269	=cut	534	=cut
270		535
271	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
272		537
273	sub lock_wait($) {	538	sub lock_wait($) {
274	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	540	}
282		541
283	sub lock_acquire($) {	542	sub lock_acquire($) {
284	my ($key) = @_;	543	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	544	}
296		545
297	sub lock_active($) {	546	sub lock_active($) {
298	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	548	}
302		549
303	sub freeze_mainloop {	550	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
305		552
306	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
308	};	623	}
309	$TICK_WATCHER->stop;	624	};
310	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
311	}	639	}
312		640
313	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
314		642
315	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		648
321	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
322		650
323	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
324		652
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	656	acceptable.
329		657
330	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	663	=cut
336		664
337	sub sync_job(&) {	665	sub sync_job(&) {
338	my ($job) = @_;	666	my ($job) = @_;
339		667
340	if ($Coro::current == $Coro::main) {	668	if (in_main) {
341	my $time = Event::time;	669	my $time = AE::time;
342		670
343	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
345		673
346	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	675
348	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
349		677
350	my $busy = 1;	678	my $busy = 1;
351	my @res;	679	my @res;
352		680
353	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	683	@res = eval { $job->() };
355	warn $@ if $@;	684	error $@ if $@;
356	undef $busy;	685	undef $busy;
357	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
358		687
359	while ($busy) {	688	while ($busy) {
360	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
361	}	693	}
		694	}
362		695
363	$time = Event::time - $time;	696	my $time = AE::time - $time;
364		697
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
369		699
370	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
371	} else {	701	} else {
372	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
373		703
…		…
393	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
394		724
395	$coro	725	$coro
396	}	726	}
397		727
398	=item fork_call { }, $args	728	=item fork_call { }, @args
399		729
400	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
404		734
405	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
406		740
407	sub fork_call(&@) {	741	sub fork_call(&@) {
408	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
409		743
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	744	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	745	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	746	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		747
415	if (my $pid = fork) {	748	my @res = Coro::Util::fork_eval {
416	close $fh2;	749	cf::post_fork;
		750	&$cb
		751	} @args;
417		752
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	753	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	754	}
420		755
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	756	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
440	}	792	}
441		793
442	=item $value = cf::db_get $family => $key	794	=item $value = cf::db_get $family => $key
443		795
444	Returns a single value from the environment database.	796	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	798	=item cf::db_put $family => $key => $value
447		799
448	Stores the given C<$value> in the family. It can currently store binary	800	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
451	=cut	808	=cut
		809
		810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
		814	my ($name) = @_;
		815	my $db = BDB::db_create $DB_ENV;
		816
		817	eval {
		818	$db->set_flags (BDB::CHKSUM);
		819
		820	utf8::encode $name;
		821	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		822	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		823	cf::cleanup "db_open(db): $!" if $!;
		824	};
		825	cf::cleanup "db_open(db): $@" if $@;
		826
		827	$db
		828	}
452		829
453	our $DB;	830	our $DB;
454		831
455	sub db_init {	832	sub db_init {
456	unless ($DB) {	833	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	834	}
471		835
472	sub db_get($$) {	836	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
474		838
475	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
476	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
477		843
478	$! ? ()	844	$! ? ()
479	: $data	845	: $data
480	}
481	}	846	}
482		847
483	sub db_put($$$) {	848	sub db_put($$$) {
484	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
513		878
514	my @data;	879	my @data;
515	my $md5;	880	my $md5;
516		881
517	for (0 .. $#$src) {	882	for (0 .. $#$src) {
518	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
519	or Carp::croak "$src->[$_]: $!";
520	}	884	}
521		885
522	# if processing is expensive, check	886	# if processing is expensive, check
523	# checksum first	887	# checksum first
524	if (1) {	888	if (1) {
525	$md5 =	889	$md5 =
526	join "\x00",	890	join "\x00",
527	$processversion,	891	$processversion,
528	map {	892	map {
529	Coro::cede;	893	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	894	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	895	} 0.. $#$src;
532		896
533		897
534	my $dbmd5 = db_get cache => "$id/md5";	898	my $dbmd5 = db_get cache => "$id/md5";
…		…
541		905
542	my $t1 = Time::HiRes::time;	906	my $t1 = Time::HiRes::time;
543	my $data = $process->(\@data);	907	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	908	my $t2 = Time::HiRes::time;
545		909
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		911
548	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
551		915
…		…
561		925
562	=cut	926	=cut
563		927
564	sub datalog($@) {	928	sub datalog($@) {
565	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	931	}
568		932
569	=back	933	=back
570		934
571	=cut	935	=cut
572		936
573	#############################################################################	937	#############################################################################
574		938
575	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
576		940
577	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
580		944
581	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	947	Deliantra).
584		948
585	=over 4	949	=over 4
586		950
587	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
588		952
…		…
632	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
633		997
634	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
636		1000
637	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
639		1003
640	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
641		1005
642	=over 4	1006	=over 4
…		…
766		1130
767	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1133
770	} elsif (ref $type) {	1134	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
772		1136
773	} else {	1137	} else {
774	shift @arg;	1138	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
776	}	1140	}
777	}	1141	}
778	}	1142	}
779		1143
780	sub _object_attach {	1144	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
791	}	1155	}
792		1156
793	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
794	} else {	1158	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1160	}
797		1161
798	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
799	}	1163	}
800		1164
…		…
840	";	1204	";
841	die if $@;	1205	die if $@;
842	}	1206	}
843		1207
844	our $override;	1208	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1209	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1210
847	sub override {	1211	sub override {
848	$override = 1;	1212	$override = 1;
849	@invoke_results = ();	1213	@INVOKE_RESULTS = (@_);
850	}	1214	}
851		1215
852	sub do_invoke {	1216	sub do_invoke {
853	my $event = shift;	1217	my $event = shift;
854	my $callbacks = shift;	1218	my $callbacks = shift;
855		1219
856	@invoke_results = ();	1220	@INVOKE_RESULTS = ();
857		1221
858	local $override;	1222	local $override;
859		1223
860	for (@$callbacks) {	1224	for (@$callbacks) {
861	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
862		1226
863	if ($@) {	1227	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1229	override;
867	}	1230	}
868		1231
869	return 1 if $override;	1232	return 1 if $override;
870	}	1233	}
871		1234
872	0	1235	0
873	}	1236	}
874		1237
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1239
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1241
879	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
880		1243
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1244	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1245	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1246	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1247
885	=back	1248	=back
886		1249
887	=cut	1250	=cut
888		1251
889	#############################################################################	1252	#############################################################################
890	# object support	1253	# object support
		1254
		1255	sub _object_equal($$);
		1256	sub _object_equal($$) {
		1257	my ($a, $b) = @_;
		1258
		1259	return 0 unless (ref $a) eq (ref $b);
		1260
		1261	if ("HASH" eq ref $a) {
		1262	my @ka = keys %$a;
		1263	my @kb = keys %$b;
		1264
		1265	return 0 if @ka != @kb;
		1266
		1267	for (0 .. $#ka) {
		1268	return 0 unless $ka[$_] eq $kb[$_];
		1269	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1270	}
		1271
		1272	} elsif ("ARRAY" eq ref $a) {
		1273
		1274	return 0 if @$a != @$b;
		1275
		1276	for (0 .. $#$a) {
		1277	return 0 unless _object_equal $a->[$_], $b->[$_];
		1278	}
		1279
		1280	} elsif ($a ne $b) {
		1281	return 0;
		1282	}
		1283
		1284	1
		1285	}
		1286
		1287	our $SLOW_MERGES;#d#
		1288	sub _can_merge {
		1289	my ($ob1, $ob2) = @_;
		1290
		1291	++$SLOW_MERGES;#d#
		1292
		1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
		1295	}
891		1296
892	sub reattach {	1297	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1299	my ($obj) = @_;
895		1300
		1301	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1303
898	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
899		1305
900	@$registry = ();	1306	@$registry = ();
901		1307
…		…
906	for (@$attach) {	1312	for (@$attach) {
907	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
909	}	1315	}
910	} else {	1316	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1318	}
913	}	1319	}
914	}	1320	}
915		1321
916	cf::attachable->attach (	1322	cf::attachable->attach (
917	prio => -1000000,	1323	prio => -1000000,
918	on_instantiate => sub {	1324	on_instantiate => sub {
919	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
920		1326
921	$data = from_json $data;	1327	$data = decode_json $data;
922		1328
923	for (@$data) {	1329	for (@$data) {
924	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
925		1331
926	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1348	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
944		1350
945	sync_job {	1351	sync_job {
946	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
949		1357
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1363	aio_fsync $fh;
		1364	}
954	close $fh;	1365	aio_close $fh;
955		1366
956	if (@$objs) {	1367	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1374	aio_fsync $fh;
		1375	}
962	close $fh;	1376	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
964	}	1378	}
965	} else {	1379	} else {
966	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
967	}	1381	}
968		1382
969	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1387	} else {
971	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
972	}	1389	}
973	} else {	1390	} else {
974	aio_unlink $filename;	1391	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
976	}	1393	}
977	}	1394	};
978	}	1395	}
979		1396
980	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
982		1399
…		…
994	or return;	1411	or return;
995		1412
996	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
998	or return;	1415	or return;
		1416
999	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
1000	}	1419	}
1001		1420
		1421	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
1004	return ($data, $av);	1426	($data, $av)
1005	}	1427	}
1006		1428
1007	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
1008		1430
1009	=over 4	1431	=over 4
…		…
1011	=cut	1433	=cut
1012		1434
1013	#############################################################################	1435	#############################################################################
1014	# command handling &c	1436	# command handling &c
1015		1437
1016	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1017		1439
1018	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
1019	$name.	1441	$name.
1020		1442
1021	=cut	1443	=cut
…		…
1027	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1028		1450
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1452	}
1031		1453
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1033		1455
1034	Register a callback fro execution when the client sends an extcmd packet.	1456	Register a callback for execution when the client sends an (synchronous)
		1457	extcmd packet. Ext commands will be processed in the order they are
		1458	received by the server, like other user commands. The first argument is
		1459	the logged-in player. Ext commands can only be processed after a player
		1460	has logged in successfully.
1035		1461
1036	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1037	called.
1038		1463
1039	=cut	1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
1040		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
		1469	=item cf::register_exticmd $name => \&callback($ns,@args)
		1470
		1471	Register a callback for execution when the client sends an (asynchronous)
		1472	exticmd packet. Exti commands are processed by the server as soon as they
		1473	are received, i.e. out of order w.r.t. other commands. The first argument
		1474	is a client socket. Exti commands can be received anytime, even before
		1475	log-in.
		1476
		1477	The values will be sent back to the client.
		1478
		1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1041	sub register_extcmd {	1486	sub register_extcmd($$) {
1042	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1043		1488
1044	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1045	}	1490	}
1046		1491
		1492	sub register_async_extcmd($$) {
		1493	my ($name, $cb) = @_;
		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
		1501	$EXTICMD{$name} = $cb;
		1502	}
		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1047	cf::player->attach (	1512	cf::player->attach (
1048	on_command => sub {	1513	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1050		1515
1051	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1052	or return;	1517	or return;
1053		1518
…		…
1058	cf::override;	1523	cf::override;
1059	},	1524	},
1060	on_extcmd => sub {	1525	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1062		1527
1063	my $msg = eval { from_json $buf };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1529
1065	if (ref $msg) {	1530	if (ref $msg) {
		1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1532
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1533	if (my $cb = $EXTACMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1534	$cb->(
1068	$pl->ext_reply ($msg->{msgid}, %reply);	1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
		1546	@reply = $cb->($pl, @payload);
1069	}	1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1070	}	1551	}
		1552
1071	} else {	1553	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1555	}
1074		1556
1075	cf::override;	1557	cf::override;
1076	},	1558	},
1077	);	1559	);
1078		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
1079	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1080	cf::sync_job {	1590	cf::sync_job {
1081	my %todo;	1591	my %todo;
1082		1592
1083	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1594	next unless -r $path;
…		…
1102		1612
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1615
1106	$ext{source} =	1616	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1109	. $source	1619	. $source
1110	. "\n};\n1";	1620	. "\n};\n1";
1111		1621
1112	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1113	}	1623	}
1114		1624
		1625	my $pass = 0;
1115	my %done;	1626	my %done;
1116	while (%todo) {	1627	while (%todo) {
1117	my $progress;	1628	my $progress;
1118		1629
		1630	++$pass;
		1631
		1632	ext:
1119	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1635	next ext
1122	unless exists $done{$_};	1636	unless exists $done{$_};
1123	}	1637	}
1124		1638
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1640
1127	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1656	if exists $v->{meta}{mandatory};
1132	warn $msg;	1657
1133	warn "mandatory extension failed to load, exiting.\n";	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1659	delete $todo{$k};
1135	}	1660	} else {
1136		1661	$done{$k} = delete $todo{$k};
1137	warn $msg;	1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1138	}	1667	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1668	}
1144		1669
1145	skip:	1670	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1148	}	1680	}
1149	};	1681	};
1150	}	1682	}
1151		1683
1152	#############################################################################	1684	#############################################################################
1153		1685
1154	=back	1686	=back
1155		1687
1156	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1157		1689
1158	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1159		1691
1160	=cut	1692	=cut
1161		1693
1162	package cf::player;	1694	package cf::player;
1163		1695
1164	use Coro::AIO;	1696	use Coro::AIO;
1165		1697
1166	=head3 cf::player	1698	=head3 cf::player
1167		1699
1168	=over 4	1700	=over 4
		1701
		1702	=item cf::player::num_playing
		1703
		1704	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1705
		1706	=cut
		1707
		1708	sub num_playing {
		1709	scalar grep
		1710	$_->ob->map
		1711	&& !$_->hidden
		1712	&& !$_->ob->flag (cf::FLAG_WIZ),
		1713	cf::player::list
		1714	}
1169		1715
1170	=item cf::player::find $login	1716	=item cf::player::find $login
1171		1717
1172	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
1173		1719
…		…
1192		1738
1193	sub exists($) {	1739	sub exists($) {
1194	my ($login) = @_;	1740	my ($login) = @_;
1195		1741
1196	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1198	}	1744	}
1199		1745
1200	sub find($) {	1746	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1748	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1758	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1759
1214	my $pl = load_pl path $login	1760	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1761	or return;
		1762
		1763	my $pl = cf::player::load_pl $f
		1764	or return;
		1765
		1766	local $cf::PLAYER_LOADING{$login} = $pl;
		1767	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1217	}	1769	}
1218	}	1770	}
1219	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
1220		1785
1221	sub save($) {	1786	sub save($) {
1222	my ($pl) = @_;	1787	my ($pl) = @_;
1223		1788
1224	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1230		1795
1231	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1233		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1803
1234	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1235	Coro::cede;	1805	cf::cede_to_tick;
1236	}	1806	}
1237		1807
1238	sub new($) {	1808	sub new($) {
1239	my ($login) = @_;	1809	my ($login) = @_;
1240		1810
…		…
1246	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1247		1817
1248	$self	1818	$self
1249	}	1819	}
1250		1820
		1821	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1822
		1823	=cut
		1824
		1825	sub send_msg {
		1826	my $ns = shift->ns
		1827	or return;
		1828	$ns->send_msg (@_);
		1829	}
		1830
1251	=item $pl->quit_character	1831	=item $pl->quit_character
1252		1832
1253	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1255		1835
…		…
1259	my ($pl) = @_;	1839	my ($pl) = @_;
1260		1840
1261	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1262		1842
1263	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1845
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1269	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1270		1854
1271	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1308	or return [];	1892	or return [];
1309		1893
1310	my @logins;	1894	my @logins;
1311		1895
1312	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
		1897	my $path = path $login;
		1898
		1899	# a .pst is a dead give-away for a valid player
		1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1316		1906
1317	utf8::decode $login;	1907	utf8::decode $login;
1318	push @logins, $login;	1908	push @logins, $login;
1319	}	1909	}
1320		1910
1321	\@logins	1911	\@logins
1322	}	1912	}
1323		1913
1324	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1325		1917
1326	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1327	player. May block.	1919	player. May block.
1328		1920
1329	=cut	1921	=cut
…		…
1347	}	1939	}
1348		1940
1349	\@paths	1941	\@paths
1350	}	1942	}
1351		1943
1352	=item $player->ext_reply ($msgid, %msg)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1945
1354	Sends an ext reply to the player.	1946	Expand deliantra pod fragments into protocol xml.
1355		1947
1356	=cut
1357
1358	sub ext_reply($$%) {
1359	my ($self, $id, %msg) = @_;
1360
1361	$msg{msgid} = $id;
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}
1365
1366	=item $player->ext_event ($type, %msg)	1948	=item $player->ext_msg ($type, @msg)
1367		1949
1368	Sends an ext event to the client.	1950	Sends an ext event to the client.
1369		1951
1370	=cut	1952	=cut
1371		1953
1372	sub ext_event($$%) {	1954	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1955	my ($self, $type, @msg) = @_;
1374		1956
1375	$self->ns->ext_event ($type, %msg);	1957	$self->ns->ext_msg ($type, @msg);
1376	}	1958	}
1377		1959
1378	=head3 cf::region	1960	=head3 cf::region
1379		1961
1380	=over 4	1962	=over 4
…		…
1390	=cut	1972	=cut
1391		1973
1392	sub find_by_path($) {	1974	sub find_by_path($) {
1393	my ($path) = @_;	1975	my ($path) = @_;
1394		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
		1978
1395	my ($match, $specificity);	1979	my ($match, $specificity);
1396		1980
1397	for my $region (list) {	1981	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1982	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1983	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1984	if $region->specificity > $specificity;
1401	}	1985	}
1402	}	1986	}
1403		1987
…		…
1424	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1426		2010
1427	sub generate_random_map {	2011	sub generate_random_map {
1428	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1429	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1430	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1438	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1439	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1441	(cf::region::find $rmp->{region}), $rmp->{custom}
1442	)
1443	}	2017	}
1444		2018
1445	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1446		2020
1447	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1452		2026
1453	sub register {	2027	sub register {
1454	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	2029	my $pkg = caller;
1456		2030
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		2032
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	2034	}
1462		2035
1463	# also paths starting with '/'	2036	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		2038
1466	sub thawer_merge {	2039	sub thawer_merge {
1467	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1468		2041
1469	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1474	}	2047	}
1475		2048
1476	sub normalise {	2049	sub normalise {
1477	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1478		2051
1479	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1480		2053
1481	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1482		2055
1483	# map plan:	2056	# map plan:
1484	#	2057	#
…		…
1499	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1500	$path = "$base/$path";	2073	$path = "$base/$path";
1501	}	2074	}
1502		2075
1503	for ($path) {	2076	for ($path) {
1504	redo if s{//}{/};
1505	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1506	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1507	}	2079	}
1508		2080
1509	$path	2081	$path
…		…
1523	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1524	return $self;	2096	return $self;
1525	}	2097	}
1526	}	2098	}
1527		2099
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	2101	()
1530	}	2102	}
1531		2103
		2104	# may re-bless or do other evil things
1532	sub init {	2105	sub init {
1533	my ($self) = @_;	2106	my ($self) = @_;
1534		2107
1535	$self	2108	$self
1536	}	2109	}
…		…
1555		2128
1556	# the temporary/swap location	2129	# the temporary/swap location
1557	sub save_path {	2130	sub save_path {
1558	my ($self) = @_;	2131	my ($self) = @_;
1559		2132
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	2134	"$TMPDIR/$path.map"
1562	}	2135	}
1563		2136
1564	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1565	sub uniq_path {	2138	sub uniq_path {
1566	my ($self) = @_;	2139	my ($self) = @_;
1567		2140
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	2143	}
1580		2144
1581	sub decay_objects {	2145	sub decay_objects {
1582	my ($self) = @_;	2146	my ($self) = @_;
1583		2147
…		…
1596		2160
1597	sub load_header_from($) {	2161	sub load_header_from($) {
1598	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1599		2163
1600	utf8::encode $path;	2164	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	2166	or return;
1606		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1607	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1608		2175
1609	1	2176	1
1610	}	2177	}
1611		2178
		2179	# used to laod the header of an original map
1612	sub load_header_orig {	2180	sub load_header_orig {
1613	my ($self) = @_;	2181	my ($self) = @_;
1614		2182
1615	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1616	}	2184	}
1617		2185
		2186	# used to laod the header of an instantiated map
1618	sub load_header_temp {	2187	sub load_header_temp {
1619	my ($self) = @_;	2188	my ($self) = @_;
1620		2189
1621	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1622	}	2191	}
1623		2192
		2193	# called after loading the header from an instantiated map
1624	sub prepare_temp {	2194	sub prepare_temp {
1625	my ($self) = @_;	2195	my ($self) = @_;
1626		2196
1627	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1628	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1629	# safety	2199	# safety
1630	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1631	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1632	}	2202	}
1633		2203
		2204	# called after loading the header from an original map
1634	sub prepare_orig {	2205	sub prepare_orig {
1635	my ($self) = @_;	2206	my ($self) = @_;
1636		2207
1637	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1638	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1662		2233
1663	sub find;	2234	sub find;
1664	sub find {	2235	sub find {
1665	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1666		2237
		2238	cf::cede_to_tick;
		2239
1667	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1668		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2244
1671	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1674	or return;	2247	or return;
1675		2248
1676	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1677		2250
…		…
1679	or return;	2252	or return;
1680		2253
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1684	$map->reset;	2259	$map->reset;
1685	undef $guard;
1686	return find $path;	2260	return find $path;
1687	}	2261	}
1688		2262
1689	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1690	}	2264	}
1691	}	2265	}
1692		2266
1693	sub pre_load { }	2267	sub pre_load { }
1694	sub post_load { }	2268	#sub post_load { } # XS
1695		2269
1696	sub load {	2270	sub load {
1697	my ($self) = @_;	2271	my ($self) = @_;
1698		2272
1699	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1700		2274
1701	my $path = $self->{path};	2275	my $path = $self->{path};
1702		2276
1703	{	2277	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1705		2279
		2280	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
1707
1708	$self->in_memory (cf::MAP_LOADING);
1709		2282
1710	$self->alloc;	2283	$self->alloc;
1711		2284
1712	$self->pre_load;	2285	$self->pre_load;
1713	Coro::cede;	2286	cf::cede_to_tick;
1714		2287
1715	$self->_load_objects ($self->{load_path}, 1)	2288	if (exists $self->{load_path}) {
		2289	my $f = new_from_file cf::object::thawer $self->{load_path};
		2290	$f->skip_block;
		2291	$self->_load_objects ($f)
1716	or return;	2292	or return;
1717		2293
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1719	if delete $self->{load_original};	2295	if delete $self->{load_original};
1720		2296
1721	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2298	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2301	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1726	}	2306	}
1727	}
1728		2307
1729	Coro::cede;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
		2315
		2316	cf::cede_to_tick;
1730	# now do the right thing for maps	2317	# now do the right thing for maps
1731	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2320	unless $self->difficulty;
1734	Coro::cede;	2321	cf::cede_to_tick;
1735		2322
1736	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2324	$self->decay_objects;
1738	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
1739	$self->update_buttons;	2326	$self->update_buttons;
1740	Coro::cede;	2327	cf::cede_to_tick;
1741	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
1742	Coro::cede;
1743	$self->activate;
1744	}	2329	}
1745		2330
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1747	}	2333	}
1748		2334
1749	$self->post_load;	2335	$self->post_load;
1750	}
1751		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2343	sub customise_for {
1753	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1754		2345
1755	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2347	if $self->per_player;
…		…
1759	# if $self->per_party;	2350	# if $self->per_party;
1760		2351
1761	$self	2352	$self
1762	}	2353	}
1763		2354
1764	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {
1766	my ($map) = @_;
1767
1768	my @diag; # diagonal neighbours
1769
1770	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)
1772	or next;
1773	$neigh = find $neigh, $map
1774	or next;
1775	$neigh->load;
1776
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}
1780
1781	for (@diag) {
1782	my $neigh = find @$_
1783	or next;
1784	$neigh->load;
1785	}
1786	}
1787
1788	sub find_sync {	2355	sub find_sync {
1789	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1790		2357
1791	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
1792	}	2363	}
1793		2364
1794	sub do_load_sync {	2365	sub do_load_sync {
1795	my ($map) = @_;	2366	my ($map) = @_;
1796		2367
1797	cf::sync_job { $map->load };	2368	# it's a bug to call this from the main context
		2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2370	if $Coro::current == $Coro::main;
		2371
		2372	$map->load;
1798	}	2373	}
1799		2374
1800	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1802		2377
1803	sub find_async {	2378	sub find_async {
1804	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1805		2380
1806	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1807		2382
1808	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1810	}	2385	}
1811		2386
1812	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1813	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1814	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1816	my $map = find $path	2394	if (my $map = find $k) {
1817	or next;
1818	$map->load;	2395	$map->load if $v;
		2396	}
1819		2397
1820	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1821	}	2399	}
1822	}	2400	}
1823	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1824	};	2402	};
1825	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1826		2404
1827	()	2405	()
1828	}	2406	}
1829		2407
		2408	# common code, used by both ->save and ->swapout
1830	sub save {	2409	sub _save {
1831	my ($self) = @_;	2410	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2411
1835	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1836		2413
1837	return unless $self->dirty;	2414	return unless $self->dirty;
1838		2415
…		…
1844	return if $self->{deny_save};	2421	return if $self->{deny_save};
1845		2422
1846	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
1847		2424
1848	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
1850	};	2428	};
		2429
		2430	cf::get_slot 0.02;
1851		2431
1852	if ($uniq) {	2432	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2435	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2437	}
1858	}	2438	}
1859		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
1860	sub swap_out {	2448	sub swap_out {
1861	my ($self) = @_;	2449	my ($self) = @_;
1862		2450
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
1868	return if $self->players;	2455	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
1872	$self->clear;	2466	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2467	}
1875		2468
1876	sub reset_at {	2469	sub reset_at {
1877	my ($self) = @_;	2470	my ($self) = @_;
1878		2471
…		…
1896		2489
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2491
1899	return if $self->players;	2492	return if $self->players;
1900		2493
1901	warn "resetting map ", $self->path;	2494	cf::trace "resetting map ", $self->path, "\n";
1902		2495
1903	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
1904		2497
1905	# need to save uniques path	2498	# need to save uniques path
1906	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
1907	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
1908		2501
…		…
1910	if $uniq;	2503	if $uniq;
1911	}	2504	}
1912		2505
1913	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
1914		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2510	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2511
1919	$self->unlink_save;	2512	$self->unlink_save;
1920	$self->destroy;	2513	$self->destroy;
1921	}	2514	}
1922		2515
1923	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
1924		2517
1925	sub nuke {	2518	sub nuke {
1926	my ($self) = @_;	2519	my ($self) = @_;
1927		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
1928	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
1929		2525
1930	$self->unlink_save;	2526	$self->unlink_save;
1931		2527
1932	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2533
1938	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
1939		2536
1940	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
1941	}	2538	}
1942		2539
1943	=item $maps = cf::map::tmp_maps	2540	=item $maps = cf::map::tmp_maps
…		…
1985		2582
1986	sub unique_maps() {	2583	sub unique_maps() {
1987	[	2584	[
1988	map {	2585	map {
1989	utf8::decode $_;	2586	utf8::decode $_;
1990	/\.map$/	2587	s/\.map$//; # TODO future compatibility hack
		2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2589	? ()
1991	? normalise $_	2590	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2592	]
1995	}	2593	}
1996		2594
1997	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
1998		2626
1999	=back	2627	=back
2000		2628
2001	=head3 cf::object	2629	=head3 cf::object
2002		2630
…		…
2006		2634
2007	=over 4	2635	=over 4
2008		2636
2009	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
2010		2638
2011	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
2012		2641
2013	=cut	2642	=cut
2014		2643
2015	sub inv_recursive_;	2644	sub inv_recursive_;
2016	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
2019		2648
2020	sub inv_recursive {	2649	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
2022	}	2651	}
2023		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
2024	package cf;	2681	package cf;
2025		2682
2026	=back	2683	=back
2027		2684
2028	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2691	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
2037		2694
2038	=cut	2695	=cut
		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
2039		2710
2040	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2712	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
2045		2716
2046	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2717	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
2047		2718
2048	if ($self->{record_replies}) {	2719	if ($self->{record_replies}) {
2049	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2720	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2721
2050	} else {	2722	} else {
		2723	my $pl = $self->contr;
		2724
		2725	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2726	my $dialog = $pl->{npc_dialog};
		2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2728
		2729	} else {
2051	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
2052	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2732	}
2053	}	2733	}
		2734	}
		2735
		2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2737
		2738	=cut
		2739
		2740	sub cf::object::send_msg {
		2741	my $pl = shift->contr
		2742	or return;
		2743	$pl->send_msg (@_);
2054	}	2744	}
2055		2745
2056	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
2057		2747
2058	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
2071		2761
2072	=item $player_object->enter_link	2762	=item $player_object->enter_link
2073		2763
2074	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
2075		2765
2076	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
2077	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
2078		2770
2079	Will never block.	2771	Will never block.
2080		2772
2081	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2082		2774
…		…
2102	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2103	my ($self) = @_;	2795	my ($self) = @_;
2104		2796
2105	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2106		2798
		2799	++$self->{_link_recursion};
		2800
2107	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2108		2802
2109	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2110	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2111		2805
2112	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2113	}	2807	}
2114		2808
2115	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2116	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2117		2811
…		…
2134	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2135	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2136		2830
2137	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2138	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2139	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2140		2834
2141	$map->load;	2835	$map->load;
2142	$map->load_diag;
2143		2836
2144	return unless $self->contr->active;	2837	return unless $self->contr->active;
2145	$self->activate_recursive;
2146		2838
2147	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2148	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2149	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2150		2846
		2847	}
		2848
2151	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2152		2850
2153	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2154	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2155	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2156	the new (success) or old (failed) map position.	2854	the new (success) or old (failed) map position. In either case, $done will
		2855	be called at the end of this process.
		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
2157		2859
2158	=cut	2860	=cut
2159		2861
2160	our $GOTOGEN;	2862	our $GOTOGEN;
2161		2863
2162	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2163	my ($self, $path, $x, $y, $check) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
2164		2872
2165	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2166	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2167		2875
2168	$self->enter_link;	2876	$self->enter_link;
2169		2877
2170	(async {	2878	(async {
		2879	$Coro::current->{desc} = "player::goto $path $x $y";
		2880
		2881	# *tag paths override both path and x|y
		2882	if ($path =~ /^\*(.*)$/) {
		2883	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2884	my $ob = $obs[rand @obs];
		2885
		2886	# see if we actually can go there
		2887	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2888	$ob = $obs[rand @obs];
		2889	} else {
		2890	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2891	}
		2892	# else put us there anyways for now #d#
		2893
		2894	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2895	} else {
		2896	($path, $x, $y) = (undef, undef, undef);
		2897	}
		2898	}
		2899
2171	my $map = eval {	2900	my $map = eval {
2172	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2173		2902
2174	if ($map) {	2903	if ($map) {
2175	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2176	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2177	} else {	2906	} else {
2178	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2179	}	2908	}
2180		2909
2181	$map	2910	$map
2182	};	2911	};
2183		2912
…		…
2188		2917
2189	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2190	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2191	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2192	}	2921	}
		2922
		2923	$done->($self) if $done;
2193	})->prio (1);	2924	})->prio (1);
2194	}	2925	}
2195		2926
2196	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2197		2928
…		…
2217	}	2948	}
2218		2949
2219	sub prepare_random_map {	2950	sub prepare_random_map {
2220	my ($exit) = @_;	2951	my ($exit) = @_;
2221		2952
2222	my $guard = cf::lock_acquire "exit_prepare:$exit";
2223
2224	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
2225	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
2226	# that depends on the exit object	2955	# that depends on the exit object
2227		2956
2228	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
2230	if ($exit->map) {	2959	if ($exit->map) {
2231	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
2232	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
2233	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
2234	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
2235	}	2966	}
2236		2967
2237	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
2238		2969
2239	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2240	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
2241	my $meta = "$RANDOMDIR/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
2242		2973
2243	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2244	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
2245	undef $fh;	2976	undef $fh;
2246	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
2247		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
2248	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
2249	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
2250	}	2985	}
2251	}	2986	}
2252		2987
2253	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2254	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2255		2990
2256	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2257		2992
2258	if ($exit->slaying eq "/!") {
2259	#TODO: this should de-fi-ni-te-ly not be a sync-job
2260	# the problem is that $exit might not survive long enough
2261	# so it needs to be done right now, right here
2262	cf::sync_job { prepare_random_map $exit };
2263	}
2264
2265	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2266	my $hp = $exit->stats->hp;
2267	my $sp = $exit->stats->sp;
2268
2269	$self->enter_link;	2993	$self->enter_link;
2270		2994
2271	(async {	2995	(async {
2272	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
2273	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
2274	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2275		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
2276	1;	3034	1
2277	}) {	3035	}) {
2278	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2279	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2280	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2281	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2282		3040
2283	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2284	$self->leave_link;	3042	$self->leave_link;
2285	}	3043	}
2286	})->prio (1);	3044	})->prio (1);
2287	}	3045	}
2288		3046
…		…
2302		3060
2303	utf8::encode $text;	3061	utf8::encode $text;
2304	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2305	}	3063	}
2306		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
		3088	}
		3089
		3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3091
		3092	Send a drawinfo or msg packet to the client, formatting the msg for the
		3093	client if neccessary. C<$type> should be a string identifying the type of
		3094	the message, with C<log> being the default. If C<$color> is negative, suppress
		3095	the message unless the client supports the msg packet.
		3096
		3097	=cut
		3098
		3099	# non-persistent channels (usually the info channel)
		3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
		3107	"c/identify" => {
		3108	id => "infobox",
		3109	title => "Identify",
		3110	reply => undef,
		3111	tooltip => "Items recently identified",
		3112	},
		3113	"c/examine" => {
		3114	id => "infobox",
		3115	title => "Examine",
		3116	reply => undef,
		3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
		3124	},
		3125	"c/book" => {
		3126	id => "infobox",
		3127	title => "Book",
		3128	reply => undef,
		3129	tooltip => "The contents of a note or book",
		3130	},
		3131	"c/lookat" => {
		3132	id => "infobox",
		3133	title => "Look",
		3134	reply => undef,
		3135	tooltip => "What you saw there",
		3136	},
		3137	"c/who" => {
		3138	id => "infobox",
		3139	title => "Players",
		3140	reply => undef,
		3141	tooltip => "Shows players who are currently online",
		3142	},
		3143	"c/body" => {
		3144	id => "infobox",
		3145	title => "Body Parts",
		3146	reply => undef,
		3147	tooltip => "Shows which body parts you posess and are available",
		3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
		3185	"c/uptime" => {
		3186	id => "infobox",
		3187	title => "Uptime",
		3188	reply => undef,
		3189	tooltip => "How long the server has been running since last restart",
		3190	},
		3191	"c/mapinfo" => {
		3192	id => "infobox",
		3193	title => "Map Info",
		3194	reply => undef,
		3195	tooltip => "Information related to the maps",
		3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
		3211	);
		3212
		3213	sub cf::client::send_msg {
		3214	my ($self, $channel, $msg, $color, @extra) = @_;
		3215
		3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
		3218
		3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
		3228	} elsif (ref $channel) {
		3229	# send meta info to client, if not yet sent
		3230	unless (exists $self->{channel}{$channel->{id}}) {
		3231	$self->{channel}{$channel->{id}} = $channel;
		3232	$self->ext_msg (channel_info => $channel);
		3233	}
		3234
		3235	$channel = $channel->{id};
		3236	}
		3237
		3238	return unless @extra || length $msg;
		3239
		3240	# default colour, mask it out
		3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3242	if $color & cf::NDI_DEF;
		3243
		3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
		3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3247	);
		3248
		3249	$self->send_big_packet ($pkt);
		3250	}
		3251
2307	=item $client->ext_event ($type, %msg)	3252	=item $client->ext_msg ($type, @msg)
2308		3253
2309	Sends an exti event to the client.	3254	Sends an ext event to the client.
2310		3255
2311	=cut	3256	=cut
2312		3257
2313	sub cf::client::ext_event($$%) {	3258	sub cf::client::ext_msg($$@) {
2314	my ($self, $type, %msg) = @_;	3259	my ($self, $type, @msg) = @_;
2315		3260
2316	$msg{msgtype} = "event_$type";	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2317	$self->send_packet ("ext " . cf::to_json \%msg);
2318	}	3262	}
2319		3263
2320	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2321		3265
2322	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
2323	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3267	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2324	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3268	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2325		3269
2326	Queries can fail, so check the return code. Or don't, as queries will become	3270	Queries can fail, so check the return code. Or don't, as queries will
2327	reliable at some point in the future.	3271	become reliable at some point in the future.
2328		3272
2329	=cut	3273	=cut
2330		3274
2331	sub cf::client::query {	3275	sub cf::client::query {
2332	my ($self, $flags, $text, $cb) = @_;	3276	my ($self, $flags, $text, $cb) = @_;
…		…
2340	utf8::encode $text;	3284	utf8::encode $text;
2341	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3285	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2342		3286
2343	$self->send_packet ($self->{query_queue}[0][0])	3287	$self->send_packet ($self->{query_queue}[0][0])
2344	if @{ $self->{query_queue} } == 1;	3288	if @{ $self->{query_queue} } == 1;
		3289
		3290	1
2345	}	3291	}
2346		3292
2347	cf::client->attach (	3293	cf::client->attach (
		3294	on_connect => sub {
		3295	my ($ns) = @_;
		3296
		3297	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3298	},
2348	on_reply => sub {	3299	on_reply => sub {
2349	my ($ns, $msg) = @_;	3300	my ($ns, $msg) = @_;
2350		3301
2351	# this weird shuffling is so that direct followup queries	3302	# this weird shuffling is so that direct followup queries
2352	# get handled first	3303	# get handled first
…		…
2364	} else {	3315	} else {
2365	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3316	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2366	}	3317	}
2367	}	3318	}
2368	},	3319	},
		3320	on_exticmd => sub {
		3321	my ($ns, $buf) = @_;
		3322
		3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3324
		3325	if (ref $msg) {
		3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3327
		3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
		3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
		3346	}
		3347	} else {
		3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3349	}
		3350
		3351	cf::override;
		3352	},
2369	);	3353	);
2370		3354
2371	=item $client->async (\&cb)	3355	=item $client->async (\&cb)
2372		3356
2373	Create a new coroutine, running the specified callback. The coroutine will	3357	Create a new coroutine, running the specified callback. The coroutine will
…		…
2389		3373
2390	$coro	3374	$coro
2391	}	3375	}
2392		3376
2393	cf::client->attach (	3377	cf::client->attach (
2394	on_destroy => sub {	3378	on_client_destroy => sub {
2395	my ($ns) = @_;	3379	my ($ns) = @_;
2396		3380
2397	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2398	},	3382	},
2399	);	3383	);
…		…
2414	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2415	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2416		3400
2417	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2418		3402
2419	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3403	$safe->permit_only (Opcode::opset qw(
		3404	:base_core :base_mem :base_orig :base_math :base_loop
		3405	grepstart grepwhile mapstart mapwhile
		3406	sort time
		3407	));
2420		3408
2421	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2422		3410
2423	=pod	3411	=pod
2424		3412
2425	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2426		3414
2427	cf::object contr pay_amount pay_player map	3415	cf::object
		3416	contr pay_amount pay_player map x y force_find force_add destroy
		3417	insert remove name archname title slaying race decrease split
		3418	value
		3419
2428	cf::object::player player	3420	cf::object::player
2429	cf::player peaceful	3421	player
2430	cf::map trigger	3422
		3423	cf::player
		3424	peaceful
		3425
		3426	cf::map
		3427	trigger
2431		3428
2432	=cut	3429	=cut
2433		3430
2434	for (	3431	for (
2435	["cf::object" => qw(contr pay_amount pay_player map)],	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2436	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2437	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2438	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2439	) {	3438	) {
2440	no strict 'refs';
2441	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2442	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2443	for @funs;	3441	for @funs;
2444	}	3442	}
2445		3443
…		…
2460		3458
2461	my $qcode = $code;	3459	my $qcode = $code;
2462	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2463	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2464		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2465	local $_;	3466	local $_;
2466	local @safe::cf::_safe_eval_args = values %vars;
2467		3467
2468	my $eval =	3468	my $eval =
2469	"do {\n"	3469	"do {\n"
2470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2471	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2472	. $code	3472	. $code
2473	. "\n}"	3473	. "\n}"
2474	;	3474	;
2475		3475
		3476	if ($CFG{safe_eval}) {
2476	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2477	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2478	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2479		3485
2480	if ($@) {	3486	if ($@) {
2481	warn "$@";	3487	warn "$@",
2482	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2483	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2484	}	3490	}
2485		3491
2486	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2487	}	3493	}
2488		3494
…		…
2502	=cut	3508	=cut
2503		3509
2504	sub register_script_function {	3510	sub register_script_function {
2505	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2506		3512
2507	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2508	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2509	}	3515	}
2510		3516
2511	=back	3517	=back
2512		3518
2513	=cut	3519	=cut
2514		3520
2515	#############################################################################	3521	#############################################################################
2516	# the server's init and main functions	3522	# the server's init and main functions
2517		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525
		3526	# internal api, not fianlised
		3527	sub set_face {
		3528	my ($name, $type, $data) = @_;
		3529
		3530	my $idx = cf::face::find $name;
		3531
		3532	if ($idx) {
		3533	delete $FACEHASH{cf::face::get_chksum $idx};
		3534	} else {
		3535	$idx = cf::face::alloc $name;
		3536	}
		3537
		3538	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3539
		3540	cf::face::set_type $idx, $type;
		3541	cf::face::set_data $idx, 0, $data, $hash;
		3542	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3543	$FACEHASH{$hash} = $idx;#d#
		3544
		3545	$idx
		3546	}
		3547
2518	sub load_facedata($) {	3548	sub load_facedata($) {
2519	my ($path) = @_;	3549	my ($path) = @_;
2520		3550
		3551	# HACK to clear player env face cache, we need some signal framework
		3552	# for this (global event?)
		3553	%ext::player_env::MUSIC_FACE_CACHE = ();
		3554
		3555	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3556
2521	warn "loading facedata from $path\n";	3557	trace "loading facedata from $path\n";
2522		3558
2523	my $facedata;	3559	my $facedata = decode_storable load_file $path;
2524	0 < aio_load $path, $facedata
2525	or die "$path: $!";
2526
2527	$facedata = Coro::Storable::thaw $facedata;
2528		3560
2529	$facedata->{version} == 2	3561	$facedata->{version} == 2
2530	or cf::cleanup "$path: version mismatch, cannot proceed.";	3562	or cf::cleanup "$path: version mismatch, cannot proceed.";
2531		3563
		3564	cf::cede_to_tick;
		3565
2532	{	3566	{
2533	my $faces = $facedata->{faceinfo};	3567	my $faces = $facedata->{faceinfo};
2534		3568
2535	while (my ($face, $info) = each %$faces) {	3569	for my $face (sort keys %$faces) {
		3570	my $info = $faces->{$face};
2536	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3571	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3572
2537	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3573	cf::face::set_visibility $idx, $info->{visibility};
		3574	cf::face::set_magicmap $idx, $info->{magicmap};
2538	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3575	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2539	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3576	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2540	Coro::cede;	3577	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3578	$FACEHASH{$info->{hash64}} = $idx;#d#
		3579
		3580	cf::cede_to_tick;
2541	}	3581	}
2542		3582
2543	while (my ($face, $info) = each %$faces) {	3583	while (my ($face, $info) = each %$faces) {
2544	next unless $info->{smooth};	3584	next unless $info->{smooth};
		3585
2545	my $idx = cf::face::find $face	3586	my $idx = cf::face::find $face
2546	or next;	3587	or next;
		3588
2547	if (my $smooth = cf::face::find $info->{smooth}) {	3589	if (my $smooth = cf::face::find $info->{smooth}) {
		3590	cf::face::set_smooth $idx, $smooth;
2548	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3591	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2549	} else {	3592	} else {
2550	warn "smooth face '$info->{smooth}' not found for face '$face'";	3593	error "smooth face '$info->{smooth}' not found for face '$face'";
2551	}	3594	}
2552	Coro::cede;	3595
		3596	cf::cede_to_tick;
2553	}	3597	}
2554	}	3598	}
2555		3599
2556	{	3600	{
2557	my $anims = $facedata->{animinfo};	3601	my $anims = $facedata->{animinfo};
2558		3602
2559	while (my ($anim, $info) = each %$anims) {	3603	while (my ($anim, $info) = each %$anims) {
2560	cf::anim::set $anim, $info->{frames}, $info->{facings};	3604	cf::anim::set $anim, $info->{frames}, $info->{facings};
2561	Coro::cede;	3605	cf::cede_to_tick;
2562	}	3606	}
2563		3607
2564	cf::anim::invalidate_all; # d'oh	3608	cf::anim::invalidate_all; # d'oh
2565	}	3609	}
2566		3610
		3611	{
		3612	my $res = $facedata->{resource};
		3613
		3614	while (my ($name, $info) = each %$res) {
		3615	if (defined (my $type = $info->{type})) {
		3616	# TODO: different hash - must free and use new index, or cache ixface data queue
		3617	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3618
		3619	cf::face::set_type $idx, $type;
		3620	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3621	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3622	$FACEHASH{$info->{hash}} = $idx;#d#
		3623	} else {
		3624	# $RESOURCE{$name} = $info; # unused
		3625	}
		3626
		3627	cf::cede_to_tick;
		3628	}
		3629	}
		3630
		3631	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3632
2567	1	3633	1
2568	}	3634	}
2569		3635
		3636	register_exticmd fx_want => sub {
		3637	my ($ns, $want) = @_;
		3638
		3639	while (my ($k, $v) = each %$want) {
		3640	$ns->fx_want ($k, $v);
		3641	}
		3642	};
		3643
		3644	sub load_resource_file($) {
		3645	my $guard = lock_acquire "load_resource_file";
		3646
		3647	my $status = load_resource_file_ $_[0];
		3648	get_slot 0.1, 100;
		3649	cf::arch::commit_load;
		3650
		3651	$status
		3652	}
		3653
		3654	sub reload_exp_table {
		3655	_reload_exp_table;
		3656
		3657	set_face "res/exp_table" => FT_RSRC,
		3658	JSON::XS->new->utf8->canonical->encode (
		3659	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3660	);
		3661	}
		3662
		3663	sub reload_materials {
		3664	_reload_materials;
		3665	}
		3666
2570	sub reload_regions {	3667	sub reload_regions {
		3668	# HACK to clear player env face cache, we need some signal framework
		3669	# for this (global event?)
		3670	%ext::player_env::MUSIC_FACE_CACHE = ();
		3671
2571	load_resource_file "$MAPDIR/regions"	3672	load_resource_file "$MAPDIR/regions"
2572	or die "unable to load regions file\n";	3673	or die "unable to load regions file\n";
		3674
		3675	for (cf::region::list) {
		3676	$_->{match} = qr/$_->{match}/
		3677	if exists $_->{match};
		3678	}
2573	}	3679	}
2574		3680
2575	sub reload_facedata {	3681	sub reload_facedata {
2576	load_facedata "$DATADIR/facedata"	3682	load_facedata "$DATADIR/facedata"
2577	or die "unable to load facedata\n";	3683	or die "unable to load facedata\n";
2578	}	3684	}
2579		3685
2580	sub reload_archetypes {	3686	sub reload_archetypes {
2581	load_resource_file "$DATADIR/archetypes"	3687	load_resource_file "$DATADIR/archetypes"
2582	or die "unable to load archetypes\n";	3688	or die "unable to load archetypes\n";
		3689
		3690	set_face "res/skill_info" => FT_RSRC,
		3691	JSON::XS->new->utf8->canonical->encode (
		3692	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3693	);
		3694	set_face "res/spell_paths" => FT_RSRC,
		3695	JSON::XS->new->utf8->canonical->encode (
		3696	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3697	);
2583	}	3698	}
2584		3699
2585	sub reload_treasures {	3700	sub reload_treasures {
2586	load_resource_file "$DATADIR/treasures"	3701	load_resource_file "$DATADIR/treasures"
2587	or die "unable to load treasurelists\n";	3702	or die "unable to load treasurelists\n";
2588	}	3703	}
2589		3704
		3705	sub reload_sound {
		3706	trace "loading sound config from $DATADIR/sound\n";
		3707
		3708	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3709
		3710	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3711	my $sound = $soundconf->{compat}[$_]
		3712	or next;
		3713
		3714	my $face = cf::face::find "sound/$sound->[1]";
		3715	cf::sound::set $sound->[0] => $face;
		3716	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3717	}
		3718
		3719	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3720	my $face = cf::face::find "sound/$v";
		3721	cf::sound::set $k => $face;
		3722	}
		3723	}
		3724
2590	sub reload_resources {	3725	sub reload_resources {
2591	warn "reloading resource files...\n";	3726	trace "reloading resource files...\n";
2592		3727
		3728	reload_materials;
		3729	reload_facedata;
		3730	reload_exp_table;
		3731	reload_sound;
		3732	reload_archetypes;
2593	reload_regions;	3733	reload_regions;
2594	reload_facedata;
2595	#reload_archetypes;#d#
2596	reload_archetypes;
2597	reload_treasures;	3734	reload_treasures;
2598		3735
2599	warn "finished reloading resource files\n";	3736	trace "finished reloading resource files\n";
2600	}	3737	}
2601		3738
2602	sub init {	3739	sub reload_config {
2603	reload_resources;	3740	trace "reloading config file...\n";
2604	}
2605		3741
2606	sub cfg_load {	3742	my $config = load_file "$CONFDIR/config";
2607	open my $fh, "<:utf8", "$CONFDIR/config"	3743	utf8::decode $config;
2608	or return;	3744	*CFG = decode_yaml $config;
2609		3745
2610	local $/;
2611	*CFG = YAML::Syck::Load <$fh>;
2612
2613	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2614		3747
2615	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2616	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2617		3750
2618	if (exists $CFG{mlockall}) {	3751	if (exists $CFG{mlockall}) {
…		…
2622	};	3755	};
2623	warn $@ if $@;	3756	warn $@ if $@;
2624	}	3757	}
2625	}	3758	}
2626		3759
		3760	sub pidfile() {
		3761	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3762	or die "$PIDFILE: $!";
		3763	flock $fh, &Fcntl::LOCK_EX
		3764	or die "$PIDFILE: flock: $!";
		3765	$fh
		3766	}
		3767
		3768	# make sure only one server instance is running at any one time
		3769	sub atomic {
		3770	my $fh = pidfile;
		3771
		3772	my $pid = <$fh>;
		3773	kill 9, $pid if $pid > 0;
		3774
		3775	seek $fh, 0, 0;
		3776	print $fh $$;
		3777	}
		3778
		3779	sub main_loop {
		3780	trace "EV::loop starting\n";
		3781	if (1) {
		3782	EV::loop;
		3783	}
		3784	trace "EV::loop returned\n";
		3785	goto &main_loop unless $REALLY_UNLOOP;
		3786	}
		3787
2627	sub main {	3788	sub main {
		3789	cf::init_globals; # initialise logging
		3790
		3791	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3792	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3793	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3794	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3795
		3796	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3797
2628	# we must not ever block the main coroutine	3798	# we must not ever block the main coroutine
2629	local $Coro::idle = sub {	3799	$Coro::idle = sub {
2630	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3800	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2631	(async {	3801	(async {
2632	Event::one_event;	3802	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3803	EV::loop EV::LOOP_ONESHOT;
2633	})->prio (Coro::PRIO_MAX);	3804	})->prio (Coro::PRIO_MAX);
2634	};	3805	};
2635		3806
2636	cfg_load;	3807	evthread_start IO::AIO::poll_fileno;
		3808
		3809	cf::sync_job {
		3810	cf::incloader::init ();
		3811
2637	db_init;	3812	db_init;
		3813
		3814	cf::init_anim;
		3815	cf::init_attackmess;
		3816	cf::init_dynamic;
		3817
		3818	cf::load_settings;
		3819
		3820	reload_resources;
		3821	reload_config;
		3822
		3823	cf::init_uuid;
		3824	cf::init_signals;
		3825	cf::init_skills;
		3826
		3827	cf::init_beforeplay;
		3828
		3829	atomic;
		3830
2638	load_extensions;	3831	load_extensions;
2639		3832
2640	$TICK_WATCHER->start;	3833	utime time, time, $RUNTIMEFILE;
2641	Event::loop;	3834
		3835	# no (long-running) fork's whatsoever before this point(!)
		3836	use POSIX ();
		3837	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3838
		3839	cf::_post_init 0;
		3840	};
		3841
		3842	cf::object::thawer::errors_are_fatal 0;
		3843	info "parse errors in files are no longer fatal from this point on.\n";
		3844
		3845	AE::postpone {
		3846	undef &main; # free gobs of memory :)
		3847	};
		3848
		3849	goto &main_loop;
2642	}	3850	}
2643		3851
2644	#############################################################################	3852	#############################################################################
2645	# initialisation and cleanup	3853	# initialisation and cleanup
2646		3854
2647	# install some emergency cleanup handlers	3855	# install some emergency cleanup handlers
2648	BEGIN {	3856	BEGIN {
		3857	our %SIGWATCHER = ();
2649	for my $signal (qw(INT HUP TERM)) {	3858	for my $signal (qw(INT HUP TERM)) {
2650	Event->signal (	3859	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2651	reentrant => 0,
2652	data => WF_AUTOCANCEL,
2653	signal => $signal,
2654	prio => 0,
2655	cb => sub {
2656	cf::cleanup "SIG$signal";	3860	cf::cleanup "SIG$signal";
2657	},
2658	);	3861	};
2659	}	3862	}
2660	}	3863	}
2661		3864
2662	sub write_runtime {	3865	sub write_runtime_sync {
2663	my $runtime = "$LOCALDIR/runtime";	3866	my $t0 = AE::time;
2664		3867
2665	# first touch the runtime file to show we are still running:	3868	# first touch the runtime file to show we are still running:
2666	# the fsync below can take a very very long time.	3869	# the fsync below can take a very very long time.
2667		3870
2668	IO::AIO::aio_utime $runtime, undef, undef;	3871	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2669		3872
2670	my $guard = cf::lock_acquire "write_runtime";	3873	my $guard = cf::lock_acquire "write_runtime";
2671		3874
2672	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3875	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2673	or return;	3876	or return;
2674		3877
2675	my $value = $cf::RUNTIME + 90 + 10;	3878	my $value = $cf::RUNTIME + 90 + 10;
2676	# 10 is the runtime save interval, for a monotonic clock	3879	# 10 is the runtime save interval, for a monotonic clock
2677	# 60 allows for the watchdog to kill the server.	3880	# 60 allows for the watchdog to kill the server.
…		…
2687	aio_utime $fh, undef, undef;	3890	aio_utime $fh, undef, undef;
2688		3891
2689	close $fh	3892	close $fh
2690	or return;	3893	or return;
2691		3894
2692	aio_rename "$runtime~", $runtime	3895	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2693	and return;	3896	and return;
2694		3897
2695	warn "runtime file written.\n";	3898	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2696		3899
2697	1	3900	1
		3901	}
		3902
		3903	our $uuid_lock;
		3904	our $uuid_skip;
		3905
		3906	sub write_uuid_sync($) {
		3907	$uuid_skip ||= $_[0];
		3908
		3909	return if $uuid_lock;
		3910	local $uuid_lock = 1;
		3911
		3912	my $uuid = "$LOCALDIR/uuid";
		3913
		3914	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3915	or return;
		3916
		3917	my $value = uuid_seq uuid_cur;
		3918
		3919	unless ($value) {
		3920	info "cowardly refusing to write zero uuid value!\n";
		3921	return;
		3922	}
		3923
		3924	my $value = uuid_str $value + $uuid_skip;
		3925	$uuid_skip = 0;
		3926
		3927	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3928	and return;
		3929
		3930	# always fsync - this file is important
		3931	aio_fsync $fh
		3932	and return;
		3933
		3934	close $fh
		3935	or return;
		3936
		3937	aio_rename "$uuid~", $uuid
		3938	and return;
		3939
		3940	trace "uuid file written ($value).\n";
		3941
		3942	1
		3943
		3944	}
		3945
		3946	sub write_uuid($$) {
		3947	my ($skip, $sync) = @_;
		3948
		3949	$sync ? write_uuid_sync $skip
		3950	: async { write_uuid_sync $skip };
2698	}	3951	}
2699		3952
2700	sub emergency_save() {	3953	sub emergency_save() {
2701	my $freeze_guard = cf::freeze_mainloop;	3954	my $freeze_guard = cf::freeze_mainloop;
2702		3955
2703	warn "enter emergency perl save\n";	3956	info "emergency_perl_save: enter\n";
		3957
		3958	# this is a trade-off: we want to be very quick here, so
		3959	# save all maps without fsync, and later call a global sync
		3960	# (which in turn might be very very slow)
		3961	local $USE_FSYNC = 0;
2704		3962
2705	cf::sync_job {	3963	cf::sync_job {
		3964	cf::write_runtime_sync; # external watchdog should not bark
		3965
2706	# use a peculiar iteration method to avoid tripping on perl	3966	# use a peculiar iteration method to avoid tripping on perl
2707	# refcount bugs in for. also avoids problems with players	3967	# refcount bugs in for. also avoids problems with players
2708	# and maps saved/destroyed asynchronously.	3968	# and maps saved/destroyed asynchronously.
2709	warn "begin emergency player save\n";	3969	info "emergency_perl_save: begin player save\n";
2710	for my $login (keys %cf::PLAYER) {	3970	for my $login (keys %cf::PLAYER) {
2711	my $pl = $cf::PLAYER{$login} or next;	3971	my $pl = $cf::PLAYER{$login} or next;
2712	$pl->valid or next;	3972	$pl->valid or next;
		3973	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2713	$pl->save;	3974	$pl->save;
2714	}	3975	}
2715	warn "end emergency player save\n";	3976	info "emergency_perl_save: end player save\n";
2716		3977
2717	warn "begin emergency map save\n";	3978	cf::write_runtime_sync; # external watchdog should not bark
		3979
		3980	info "emergency_perl_save: begin map save\n";
2718	for my $path (keys %cf::MAP) {	3981	for my $path (keys %cf::MAP) {
2719	my $map = $cf::MAP{$path} or next;	3982	my $map = $cf::MAP{$path} or next;
2720	$map->valid or next;	3983	$map->valid or next;
2721	$map->save;	3984	$map->save;
2722	}	3985	}
2723	warn "end emergency map save\n";	3986	info "emergency_perl_save: end map save\n";
2724		3987
2725	warn "begin emergency database checkpoint\n";	3988	cf::write_runtime_sync; # external watchdog should not bark
		3989
		3990	info "emergency_perl_save: begin database checkpoint\n";
2726	BDB::db_env_txn_checkpoint $DB_ENV;	3991	BDB::db_env_txn_checkpoint $DB_ENV;
2727	warn "end emergency database checkpoint\n";	3992	info "emergency_perl_save: end database checkpoint\n";
		3993
		3994	info "emergency_perl_save: begin write uuid\n";
		3995	write_uuid_sync 1;
		3996	info "emergency_perl_save: end write uuid\n";
		3997
		3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	trace "emergency_perl_save: syncing database to disk";
		4001	BDB::db_env_txn_checkpoint $DB_ENV;
		4002
		4003	info "emergency_perl_save: starting sync\n";
		4004	IO::AIO::aio_sync sub {
		4005	info "emergency_perl_save: finished sync\n";
		4006	};
		4007
		4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	trace "emergency_perl_save: flushing outstanding aio requests";
		4011	while (IO::AIO::nreqs || BDB::nreqs) {
		4012	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4013	}
		4014
		4015	cf::write_runtime_sync; # external watchdog should not bark
2728	};	4016	};
2729		4017
2730	warn "leave emergency perl save\n";	4018	info "emergency_perl_save: leave\n";
2731	}	4019	}
2732		4020
2733	sub post_cleanup {	4021	sub post_cleanup {
2734	my ($make_core) = @_;	4022	my ($make_core) = @_;
2735		4023
		4024	IO::AIO::flush;
		4025
2736	warn Carp::longmess "post_cleanup backtrace"	4026	error Carp::longmess "post_cleanup backtrace"
2737	if $make_core;	4027	if $make_core;
		4028
		4029	my $fh = pidfile;
		4030	unlink $PIDFILE if <$fh> == $$;
		4031	}
		4032
		4033	# a safer delete_package, copied from Symbol
		4034	sub clear_package($) {
		4035	my $pkg = shift;
		4036
		4037	# expand to full symbol table name if needed
		4038	unless ($pkg =~ /^main::.*::$/) {
		4039	$pkg = "main$pkg" if $pkg =~ /^::/;
		4040	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4041	$pkg .= '::' unless $pkg =~ /::$/;
		4042	}
		4043
		4044	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4045	my $stem_symtab = *{$stem}{HASH};
		4046
		4047	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4048	or return;
		4049
		4050	# clear all symbols
		4051	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4052	for my $name (keys %$leaf_symtab) {
		4053	_gv_clear *{"$pkg$name"};
		4054	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4055	}
2738	}	4056	}
2739		4057
2740	sub do_reload_perl() {	4058	sub do_reload_perl() {
2741	# can/must only be called in main	4059	# can/must only be called in main
2742	if ($Coro::current != $Coro::main) {	4060	unless (in_main) {
2743	warn "can only reload from main coroutine";	4061	error "can only reload from main coroutine";
2744	return;	4062	return;
2745	}	4063	}
2746		4064
2747	warn "reloading...";	4065	return if $RELOAD++;
2748		4066
2749	warn "entering sync_job";	4067	my $t1 = AE::time;
2750		4068
		4069	while ($RELOAD) {
		4070	cf::get_slot 0.1, -1, "reload_perl";
		4071	info "perl_reload: reloading...";
		4072
		4073	trace "perl_reload: entering sync_job";
		4074
2751	cf::sync_job {	4075	cf::sync_job {
2752	cf::write_runtime; # external watchdog should not bark
2753	cf::emergency_save;	4076	#cf::emergency_save;
2754	cf::write_runtime; # external watchdog should not bark
2755		4077
2756	warn "syncing database to disk";
2757	BDB::db_env_txn_checkpoint $DB_ENV;
2758
2759	# if anything goes wrong in here, we should simply crash as we already saved
2760
2761	warn "cancelling all WF_AUTOCANCEL watchers";
2762	for (Event::all_watchers) {
2763	$_->cancel if $_->data & WF_AUTOCANCEL;
2764	}
2765
2766	warn "flushing outstanding aio requests";
2767	for (;;) {
2768	BDB::flush;
2769	IO::AIO::flush;
2770	Coro::cede;
2771	last unless IO::AIO::nreqs || BDB::nreqs;
2772	warn "iterate...";
2773	}
2774
2775	++$RELOAD;
2776
2777	warn "cancelling all extension coros";	4078	trace "perl_reload: cancelling all extension coros";
2778	$_->cancel for values %EXT_CORO;	4079	$_->cancel for values %EXT_CORO;
2779	%EXT_CORO = ();	4080	%EXT_CORO = ();
2780		4081
2781	warn "removing commands";	4082	trace "perl_reload: removing commands";
2782	%COMMAND = ();	4083	%COMMAND = ();
2783		4084
2784	warn "removing ext commands";	4085	trace "perl_reload: removing ext/exti commands";
2785	%EXTCMD = ();	4086	%EXTCMD = ();
		4087	%EXTICMD = ();
2786		4088
2787	warn "unloading/nuking all extensions";	4089	trace "perl_reload: unloading/nuking all extensions";
2788	for my $pkg (@EXTS) {	4090	for my $pkg (@EXTS) {
2789	warn "... unloading $pkg";	4091	trace "... unloading $pkg";
2790		4092
2791	if (my $cb = $pkg->can ("unload")) {	4093	if (my $cb = $pkg->can ("unload")) {
2792	eval {	4094	eval {
2793	$cb->($pkg);	4095	$cb->($pkg);
2794	1	4096	1
2795	} or warn "$pkg unloaded, but with errors: $@";	4097	} or error "$pkg unloaded, but with errors: $@";
		4098	}
		4099
		4100	trace "... clearing $pkg";
		4101	clear_package $pkg;
2796	}	4102	}
2797		4103
2798	warn "... nuking $pkg";
2799	Symbol::delete_package $pkg;
2800	}
2801
2802	warn "unloading all perl modules loaded from $LIBDIR";	4104	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2803	while (my ($k, $v) = each %INC) {	4105	while (my ($k, $v) = each %INC) {
2804	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4106	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2805		4107
2806	warn "... unloading $k";	4108	trace "... unloading $k";
2807	delete $INC{$k};	4109	delete $INC{$k};
2808		4110
2809	$k =~ s/\.pm$//;	4111	$k =~ s/\.pm$//;
2810	$k =~ s/\//::/g;	4112	$k =~ s/\//::/g;
2811		4113
2812	if (my $cb = $k->can ("unload_module")) {	4114	if (my $cb = $k->can ("unload_module")) {
2813	$cb->();	4115	$cb->();
		4116	}
		4117
		4118	clear_package $k;
2814	}	4119	}
2815		4120
2816	Symbol::delete_package $k;
2817	}
2818
2819	warn "getting rid of safe::, as good as possible";	4121	trace "perl_reload: getting rid of safe::, as good as possible";
2820	Symbol::delete_package "safe::$_"	4122	clear_package "safe::$_"
2821	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4123	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2822		4124
2823	warn "unloading cf.pm \"a bit\"";	4125	trace "perl_reload: unloading cf.pm \"a bit\"";
2824	delete $INC{"cf.pm"};	4126	delete $INC{"cf.pm"};
2825	delete $INC{"cf/pod.pm"};	4127	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2826		4128
2827	# don't, removes xs symbols, too,	4129	# don't, removes xs symbols, too,
2828	# and global variables created in xs	4130	# and global variables created in xs
2829	#Symbol::delete_package __PACKAGE__;	4131	#clear_package __PACKAGE__;
2830		4132
2831	warn "unload completed, starting to reload now";	4133	info "perl_reload: unload completed, starting to reload now";
2832		4134
2833	warn "reloading cf.pm";	4135	trace "perl_reload: reloading cf.pm";
2834	require cf;	4136	require cf;
2835	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4137	cf::_connect_to_perl_1;
2836		4138
2837	warn "loading config and database again";	4139	trace "perl_reload: loading config and database again";
2838	cf::cfg_load;	4140	cf::reload_config;
2839		4141
2840	warn "loading extensions";	4142	trace "perl_reload: loading extensions";
2841	cf::load_extensions;	4143	cf::load_extensions;
2842		4144
		4145	if ($REATTACH_ON_RELOAD) {
2843	warn "reattaching attachments to objects/players";	4146	trace "perl_reload: reattaching attachments to objects/players";
2844	_global_reattach; # objects, sockets	4147	_global_reattach; # objects, sockets
2845	warn "reattaching attachments to maps";	4148	trace "perl_reload: reattaching attachments to maps";
2846	reattach $_ for values %MAP;	4149	reattach $_ for values %MAP;
2847	warn "reattaching attachments to players";	4150	trace "perl_reload: reattaching attachments to players";
2848	reattach $_ for values %PLAYER;	4151	reattach $_ for values %PLAYER;
		4152	}
2849		4153
2850	warn "leaving sync_job";	4154	cf::_post_init 1;
2851		4155
		4156	trace "perl_reload: leaving sync_job";
		4157
2852	1	4158	1
2853	} or do {	4159	} or do {
2854	warn $@;	4160	error $@;
2855	warn "error while reloading, exiting.";	4161	cf::cleanup "perl_reload: error, exiting.";
2856	exit 1;	4162	};
		4163
		4164	--$RELOAD;
2857	};	4165	}
2858		4166
2859	warn "reloaded";	4167	$t1 = AE::time - $t1;
		4168	info "perl_reload: completed in ${t1}s\n";
2860	};	4169	};
2861		4170
2862	our $RELOAD_WATCHER; # used only during reload	4171	our $RELOAD_WATCHER; # used only during reload
2863		4172
2864	sub reload_perl() {	4173	sub reload_perl() {
2865	# doing reload synchronously and two reloads happen back-to-back,	4174	# doing reload synchronously and two reloads happen back-to-back,
2866	# coro crashes during coro_state_free->destroy here.	4175	# coro crashes during coro_state_free->destroy here.
2867		4176
2868	$RELOAD_WATCHER ||= Event->timer (	4177	$RELOAD_WATCHER ||= cf::async {
2869	reentrant => 0,	4178	Coro::AIO::aio_wait cache_extensions;
2870	after => 0,	4179
2871	data => WF_AUTOCANCEL,	4180	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2872	cb => sub {
2873	do_reload_perl;	4181	do_reload_perl;
2874	undef $RELOAD_WATCHER;	4182	undef $RELOAD_WATCHER;
2875	},	4183	};
2876	);	4184	};
2877	}	4185	}
2878		4186
2879	register_command "reload" => sub {	4187	register_command "reload" => sub {
2880	my ($who, $arg) = @_;	4188	my ($who, $arg) = @_;
2881		4189
2882	if ($who->flag (FLAG_WIZ)) {	4190	if ($who->flag (FLAG_WIZ)) {
2883	$who->message ("reloading server.");	4191	$who->message ("reloading server.");
		4192	async {
		4193	$Coro::current->{desc} = "perl_reload";
2884	async { reload_perl };	4194	reload_perl;
		4195	};
2885	}	4196	}
2886	};	4197	};
2887		4198
2888	unshift @INC, $LIBDIR;	4199	#############################################################################
2889		4200
2890	my $bug_warning = 0;	4201	my $bug_warning = 0;
2891		4202
2892	our @WAIT_FOR_TICK;
2893	our @WAIT_FOR_TICK_BEGIN;
2894
2895	sub wait_for_tick {	4203	sub wait_for_tick() {
2896	return unless $TICK_WATCHER->is_active;	4204	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2897	return if $Coro::current == $Coro::main;
2898		4205
2899	my $signal = new Coro::Signal;	4206	$WAIT_FOR_TICK->wait;
2900	push @WAIT_FOR_TICK, $signal;
2901	$signal->wait;
2902	}	4207	}
2903		4208
2904	sub wait_for_tick_begin {	4209	sub wait_for_tick_begin() {
2905	return unless $TICK_WATCHER->is_active;	4210	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2906	return if $Coro::current == $Coro::main;
2907		4211
2908	my $signal = new Coro::Signal;	4212	my $signal = new Coro::Signal;
2909	push @WAIT_FOR_TICK_BEGIN, $signal;	4213	push @WAIT_FOR_TICK_BEGIN, $signal;
2910	$signal->wait;	4214	$signal->wait;
2911	}	4215	}
2912		4216
2913	my $min = 1e6;#d#	4217	sub tick {
2914	my $avg = 10;
2915	$TICK_WATCHER = Event->timer (
2916	reentrant => 0,
2917	parked => 1,
2918	prio => 0,
2919	at => $NEXT_TICK || $TICK,
2920	data => WF_AUTOCANCEL,
2921	cb => sub {
2922	if ($Coro::current != $Coro::main) {	4218	if ($Coro::current != $Coro::main) {
2923	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4219	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2924	unless ++$bug_warning > 10;	4220	unless ++$bug_warning > 10;
2925	return;	4221	return;
2926	}	4222	}
2927		4223
2928	$NOW = $tick_start = Event::time;	4224	cf::one_tick; # one server iteration
2929		4225
2930	cf::server_tick; # one server iteration	4226	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2931		4227
2932	0 && sync_job {#d#	4228	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2933	for(1..10) {	4229	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2934	my $t = Event::time;	4230	Coro::async_pool {
2935	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4231	$Coro::current->{desc} = "runtime saver";
2936	or die;	4232	write_runtime_sync
2937		4233	or error "ERROR: unable to write runtime file: $!";
2938	$map->width (50);
2939	$map->height (50);
2940	$map->alloc;
2941	$map->_load_objects ("/tmp/x.map", 1);
2942	my $t = Event::time - $t;
2943
2944	#next unless $t < 0.0013;#d#
2945	if ($t < $min) {
2946	$min = $t;
2947	}
2948	$avg = $avg * 0.99 + $t * 0.01;
2949	}
2950	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2951	exit 0;
2952	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2953	};	4234	};
		4235	}
2954		4236
2955	$RUNTIME += $TICK;
2956	$NEXT_TICK += $TICK;
2957
2958	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2959	$NEXT_RUNTIME_WRITE = $NOW + 10;
2960	Coro::async_pool {
2961	write_runtime
2962	or warn "ERROR: unable to write runtime file: $!";
2963	};
2964	}
2965
2966	# my $AFTER = Event::time;
2967	# warn $AFTER - $NOW;#d#
2968
2969	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4237	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2970	$sig->send;	4238	$sig->send;
2971	}	4239	}
2972	while (my $sig = shift @WAIT_FOR_TICK) {	4240	$WAIT_FOR_TICK->broadcast;
2973	$sig->send;
2974	}
2975		4241
2976	$NOW = Event::time;	4242	$LOAD = ($NOW - $TICK_START) / $TICK;
2977
2978	# if we are delayed by four ticks or more, skip them all
2979	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2980
2981	$TICK_WATCHER->at ($NEXT_TICK);
2982	$TICK_WATCHER->start;
2983
2984	$LOAD = ($NOW - $tick_start) / $TICK;
2985	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4243	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2986		4244
2987	_post_tick;	4245	if (0) {
2988		4246	if ($NEXT_TICK) {
2989		4247	my $jitter = $TICK_START - $NEXT_TICK;
		4248	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4249	debug "jitter $JITTER\n";#d#
		4250	}
2990	},	4251	}
2991	);	4252	}
2992		4253
2993	{	4254	{
2994	BDB::max_poll_time $TICK * 0.1;	4255	# configure BDB
2995	$BDB_POLL_WATCHER = Event->io (	4256	info "initialising database";
2996	reentrant => 0,	4257
2997	fd => BDB::poll_fileno,
2998	poll => 'r',
2999	prio => 0,
3000	data => WF_AUTOCANCEL,
3001	cb => \&BDB::poll_cb,
3002	);
3003	BDB::min_parallel 8;	4258	BDB::min_parallel 16;
3004		4259	BDB::max_poll_reqs $TICK * 0.1;
3005	BDB::set_sync_prepare {	4260	#$AnyEvent::BDB::WATCHER->priority (1);
3006	my $status;
3007	my $current = $Coro::current;
3008	(
3009	sub {
3010	$status = $!;
3011	$current->ready; undef $current;
3012	},
3013	sub {
3014	Coro::schedule while defined $current;
3015	$! = $status;
3016	},
3017	)
3018	};
3019		4261
3020	unless ($DB_ENV) {	4262	unless ($DB_ENV) {
3021	$DB_ENV = BDB::db_env_create;	4263	$DB_ENV = BDB::db_env_create;
		4264	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4265	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4266	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4267	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4268	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3022		4269
3023	cf::sync_job {	4270	cf::sync_job {
3024	eval {	4271	eval {
3025	BDB::db_env_open	4272	BDB::db_env_open
3026	$DB_ENV,	4273	$DB_ENV,
…		…
3028	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4275	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3029	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4276	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3030	0666;	4277	0666;
3031		4278
3032	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4279	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3033
3034	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3035	$DB_ENV->set_lk_detect;
3036	};	4280	};
3037		4281
3038	cf::cleanup "db_env_open(db): $@" if $@;	4282	cf::cleanup "db_env_open(db): $@" if $@;
3039	};	4283	};
3040	}	4284	}
		4285
		4286	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4287	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4288	};
		4289	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4290	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4291	};
		4292	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4293	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4294	};
		4295
		4296	info "database initialised";
3041	}	4297	}
3042		4298
3043	{	4299	{
		4300	# configure IO::AIO
		4301
		4302	info "initialising aio";
3044	IO::AIO::min_parallel 8;	4303	IO::AIO::min_parallel 8;
3045
3046	undef $Coro::AIO::WATCHER;
3047	IO::AIO::max_poll_time $TICK * 0.1;	4304	IO::AIO::max_poll_time $TICK * 0.1;
3048	$AIO_POLL_WATCHER = Event->io (	4305	undef $AnyEvent::AIO::WATCHER;
3049	reentrant => 0,	4306	info "aio initialised";
3050	data => WF_AUTOCANCEL,
3051	fd => IO::AIO::poll_fileno,
3052	poll => 'r',
3053	prio => 6,
3054	cb => \&IO::AIO::poll_cb,
3055	);
3056	}	4307	}
3057		4308
3058	my $_log_backtrace;	4309	our $_log_backtrace;
		4310	our $_log_backtrace_last;
3059		4311
3060	sub _log_backtrace {	4312	sub _log_backtrace {
3061	my ($msg, @addr) = @_;	4313	my ($msg, @addr) = @_;
3062		4314
3063	$msg =~ s/\n//;	4315	$msg =~ s/\n$//;
3064		4316
		4317	if ($_log_backtrace_last eq $msg) {
		4318	LOG llevInfo, "[ABT] $msg\n";
		4319	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3065	# limit the # of concurrent backtraces	4320	# limit the # of concurrent backtraces
3066	if ($_log_backtrace < 2) {	4321	} elsif ($_log_backtrace < 2) {
		4322	$_log_backtrace_last = $msg;
3067	++$_log_backtrace;	4323	++$_log_backtrace;
		4324	my $perl_bt = Carp::longmess $msg;
3068	async {	4325	async {
		4326	$Coro::current->{desc} = "abt $msg";
		4327
3069	my @bt = fork_call {	4328	my @bt = fork_call {
3070	@addr = map { sprintf "%x", $_ } @addr;	4329	@addr = map { sprintf "%x", $_ } @addr;
3071	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4330	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3072	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4331	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3073	or die "addr2line: $!";	4332	or die "addr2line: $!";
…		…
3081	}	4340	}
3082		4341
3083	@funcs	4342	@funcs
3084	};	4343	};
3085		4344
3086	LOG llevInfo, "[ABT] $msg\n";	4345	LOG llevInfo, "[ABT] $perl_bt\n";
		4346	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3087	LOG llevInfo, "[ABT] $_\n" for @bt;	4347	LOG llevInfo, "[ABT] $_\n" for @bt;
3088	--$_log_backtrace;	4348	--$_log_backtrace;
3089	};	4349	};
3090	} else {	4350	} else {
3091	LOG llevInfo, "[ABT] $msg\n";	4351	LOG llevInfo, "[ABT] $msg\n";
3092	LOG llevInfo, "[ABT] [suppressed]\n";	4352	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3093	}	4353	}
3094	}	4354	}
3095		4355
3096	# load additional modules	4356	# load additional modules
3097	use cf::pod;	4357	require "cf/$_.pm" for @EXTRA_MODULES;
		4358	cf::_connect_to_perl_2;
3098		4359
3099	END { cf::emergency_save }	4360	END { cf::emergency_save }
3100		4361
3101	1	4362	1
3102		4363

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