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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.260 by root, Fri Apr 27 19:53:05 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
		154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
		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 $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
		166
95	binmode STDOUT;	167	binmode STDOUT;
96	binmode STDERR;	168	binmode STDERR;
97		169
98	# read virtual server time, if available	170	# read virtual server time, if available
99	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
100	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
101	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
102	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
103	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
104		178
105	mkdir $_	179	mkdir $_
106	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
107		181
108	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
109		183
110	sub cf::map::normalise;	184	sub cf::map::normalise;
111		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
112	#############################################################################	190	#############################################################################
113		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
114	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
115		204
116	=over 4	205	=over 4
117		206
118	=item $cf::UPTIME	207	=item $cf::UPTIME
119		208
120	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.
121		225
122	=item $cf::RUNTIME	226	=item $cf::RUNTIME
123		227
124	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
125	every server tick.	229	every server tick.
126		230
127	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
128	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
129	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
130		234
131	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
132	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
133	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
134	database environment.	238	database environment.
135		239
		240	=item $cf::LOADAVG
		241
		242	The current CPU load on the server (alpha-smoothed), as a value between 0
		243	(none) and 1 (overloaded), indicating how much time is spent on processing
		244	objects per tick. Healthy values are < 0.5.
		245
136	=item $cf::NOW	246	=item $cf::LOAD
137		247
138	The time of the last (current) server tick.	248	The raw value load value from the last tick.
139
140	=item $cf::TICK
141
142	The interval between server ticks, in seconds.
143		249
144	=item %cf::CFG	250	=item %cf::CFG
145		251
146	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
147	from wherever your confdir points to.	253	from wherever your confdir points to.
148		254
149	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
150		256
151	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
152	returns directly I<after> the tick processing (and consequently, can only wake one process	258	returns directly I<after> the tick processing (and consequently, can only wake one thread
153	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
154		260
		261	Note that cf::Wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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
155	=back	290	=back
156		291
157	=cut	292	=cut
158		293
159	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
160	*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 {
161	my $msg = join "", @_;	301	my $msg = join "", @_;
162		302
163	$msg .= "\n"	303	$msg .= "\n"
164	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
165		305
166	$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;
167		307
168	utf8::encode $msg;
169	LOG llevError, $msg;	308	LOG llevWarn, $msg;
170	};	309	};
171	}	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	};
172		324
173	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
174	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
175	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
176	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
177	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	329	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		330	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
178	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	331	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
179		332
180	# we bless all objects into (empty) derived classes to force a method lookup	333	# we bless all objects into (empty) derived classes to force a method lookup
181	# within the Safe compartment.	334	# within the Safe compartment.
182	for my $pkg (qw(	335	for my $pkg (qw(
183	cf::global cf::attachable	336	cf::global cf::attachable
184	cf::object cf::object::player	337	cf::object cf::object::player
185	cf::client cf::player	338	cf::client cf::player
186	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
187	cf::map cf::party cf::region	341	cf::party cf::region
188	)) {	342	)) {
189	no strict 'refs';
190	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
191	}	344	}
192		345
193	$Event::DIED = sub {	346	$EV::DIED = sub {
194	warn "error in event callback: @_";	347	warn "error in event callback: $@";
195	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
196		356
197	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
198		358
199	=over 4	359	=over 4
200		360
…		…
219	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
220	$d	380	$d
221	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
222	}	382	}
223		383
224	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
225		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
226	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
227		437
228	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
229		439
230	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
231		441
232	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
233		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
234	=item cf::lock_wait $string	513	=item cf::lock_wait $string
235		514
236	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
237		516
238	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
239		518
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
243	returned.	522	returned.
244		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
245	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
246	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
247		529
248	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
249		531
250	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.
251		533
252	=cut	534	=cut
253		535
254	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
255		537
256	sub lock_wait($) {	538	sub lock_wait($) {
257	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
258
259	# wait for lock, if any
260	while ($LOCK{$key}) {
261	push @{ $LOCK{$key} }, $Coro::current;
262	Coro::schedule;
263	}
264	}	540	}
265		541
266	sub lock_acquire($) {	542	sub lock_acquire($) {
267	my ($key) = @_;	543	$LOCKS->guard ($_[0])
268
269	# wait, to be sure we are not locked
270	lock_wait $key;
271
272	$LOCK{$key} = [];
273
274	Coro::guard {
275	# wake up all waiters, to be on the safe side
276	$_->ready for @{ delete $LOCK{$key} };
277	}
278	}	544	}
279		545
280	sub lock_active($) {	546	sub lock_active($) {
281	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
282
283	! ! $LOCK{$key}
284	}	548	}
285		549
286	sub freeze_mainloop {	550	sub freeze_mainloop {
287	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
288		552
289	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
290	$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($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
291	};	623	}
292	$TICK_WATCHER->stop;	624	};
293	$guard	625
		626	sub get_slot($;$$) {
		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	$sig->wait;
294	}	639	}
295		640
296	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
297		642
298	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
303		648
304	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
305		650
306	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
307		652
308	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
309	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
310	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
311		657
312	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
313	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
314	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
315	fast or be very important.	661	fast or be very important.
…		…
317	=cut	663	=cut
318		664
319	sub sync_job(&) {	665	sub sync_job(&) {
320	my ($job) = @_;	666	my ($job) = @_;
321		667
322	if ($Coro::current == $Coro::main) {	668	if (in_main) {
		669	my $time = AE::time;
		670
323	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
324	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
325		673
326	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
327	# (but this is cancel-safe)	675
328	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
329		677
330	my $busy = 1;	678	my $busy = 1;
331	my @res;	679	my @res;
332		680
333	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
334	@res = eval { $job->() };	683	@res = eval { $job->() };
335	warn $@ if $@;	684	error $@ if $@;
336	undef $busy;	685	undef $busy;
337	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
338		687
339	while ($busy) {	688	while ($busy) {
340	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
341	}	693	}
		694	}
		695
		696	my $time = AE::time - $time;
		697
		698	$TICK_START += $time; # do not account sync jobs to server load
342		699
343	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
344	} else {	701	} else {
345	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
346		703
…		…
366	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
367		724
368	$coro	725	$coro
369	}	726	}
370		727
371	sub write_runtime {	728	=item fork_call { }, @args
372	my $guard = cf::lock_acquire "write_runtime";
373		729
374	my $runtime = "$LOCALDIR/runtime";	730	Executes the given code block with the given arguments in a seperate
		731	process, returning the results. Everything must be serialisable with
		732	Coro::Storable. May, of course, block. Note that the executed sub may
		733	never block itself or use any form of event handling.
375		734
376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	735	=cut
377	or return;
378		736
379	my $value = $cf::RUNTIME + 90 + 10;	737	sub post_fork {
380	# 10 is the runtime save interval, for a monotonic clock	738	reset_signals;
381	# 60 allows for the watchdog to kill the server.	739	}
382		740
383	(aio_write $fh, 0, (length $value), $value, 0) <= 0	741	sub fork_call(&@) {
384	and return;	742	my ($cb, @args) = @_;
385		743
386	# always fsync - this file is important	744	# we seemingly have to make a local copy of the whole thing,
387	aio_fsync $fh	745	# otherwise perl prematurely frees the stuff :/
388	and return;	746	# TODO: investigate and fix (likely this will be rather laborious)
389		747
390	close $fh	748	my @res = Coro::Util::fork_eval {
391	or return;	749	cf::post_fork;
		750	&$cb
		751	} @args;
392		752
393	aio_rename "$runtime~", $runtime	753	wantarray ? @res : $res[-1]
394	and return;	754	}
395		755
		756	sub objinfo {
396	1	757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
		792	}
		793
		794	=item $value = cf::db_get $family => $key
		795
		796	Returns a single value from the environment database.
		797
		798	=item cf::db_put $family => $key => $value
		799
		800	Stores the given C<$value> in the family. It can currently store binary
		801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
		808	=cut
		809
		810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
		814	my ($name) = @_;
		815	my $db = BDB::db_create $DB_ENV;
		816
		817	eval {
		818	$db->set_flags (BDB::CHKSUM);
		819
		820	utf8::encode $name;
		821	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		822	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		823	cf::cleanup "db_open(db): $!" if $!;
		824	};
		825	cf::cleanup "db_open(db): $@" if $@;
		826
		827	$db
		828	}
		829
		830	our $DB;
		831
		832	sub db_init {
		833	$DB ||= db_table "db";
		834	}
		835
		836	sub db_get($$) {
		837	my $key = "$_[0]/$_[1]";
		838
		839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
		842	BDB::db_get $DB, undef, $key, my $data;
		843
		844	$! ? ()
		845	: $data
		846	}
		847
		848	sub db_put($$$) {
		849	BDB::dbreq_pri 4;
		850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		851	}
		852
		853	=item cf::cache $id => [$paths...], $processversion => $process
		854
		855	Generic caching function that returns the value of the resource $id,
		856	caching and regenerating as required.
		857
		858	This function can block.
		859
		860	=cut
		861
		862	sub cache {
		863	my ($id, $src, $processversion, $process) = @_;
		864
		865	my $meta =
		866	join "\x00",
		867	$processversion,
		868	map {
		869	aio_stat $_
		870	and Carp::croak "$_: $!";
		871
		872	($_, (stat _)[7,9])
		873	} @$src;
		874
		875	my $dbmeta = db_get cache => "$id/meta";
		876	if ($dbmeta ne $meta) {
		877	# changed, we may need to process
		878
		879	my @data;
		880	my $md5;
		881
		882	for (0 .. $#$src) {
		883	$data[$_] = load_file $src->[$_];
		884	}
		885
		886	# if processing is expensive, check
		887	# checksum first
		888	if (1) {
		889	$md5 =
		890	join "\x00",
		891	$processversion,
		892	map {
		893	cf::cede_to_tick;
		894	($src->[$_], Digest::MD5::md5_hex $data[$_])
		895	} 0.. $#$src;
		896
		897
		898	my $dbmd5 = db_get cache => "$id/md5";
		899	if ($dbmd5 eq $md5) {
		900	db_put cache => "$id/meta", $meta;
		901
		902	return db_get cache => "$id/data";
		903	}
		904	}
		905
		906	my $t1 = Time::HiRes::time;
		907	my $data = $process->(\@data);
		908	my $t2 = Time::HiRes::time;
		909
		910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		911
		912	db_put cache => "$id/data", $data;
		913	db_put cache => "$id/md5" , $md5;
		914	db_put cache => "$id/meta", $meta;
		915
		916	return $data;
		917	}
		918
		919	db_get cache => "$id/data"
397	}	920	}
398		921
399	=item cf::datalog type => key => value, ...	922	=item cf::datalog type => key => value, ...
400		923
401	Log a datalog packet of the given type with the given key-value pairs.	924	Log a datalog packet of the given type with the given key-value pairs.
402		925
403	=cut	926	=cut
404		927
405	sub datalog($@) {	928	sub datalog($@) {
406	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
407	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
408	}	931	}
409		932
410	=back	933	=back
411		934
412	=cut	935	=cut
413		936
414	#############################################################################	937	#############################################################################
415		938
416	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
417		940
418	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
419	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")
420	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
421		944
422	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>
423	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
424	crossfire+).	947	Deliantra).
425		948
426	=over 4	949	=over 4
427		950
428	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
429		952
…		…
473	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
474		997
475	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
476	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
477		1000
478	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
479	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.
480		1003
481	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
482		1005
483	=over 4	1006	=over 4
…		…
592	$registry = $CB_TYPE[$object_type] ||= [];	1115	$registry = $CB_TYPE[$object_type] ||= [];
593		1116
594	} elsif ($type eq "subtype") {	1117	} elsif ($type eq "subtype") {
595	defined $object_type or Carp::croak "subtype specified without type";	1118	defined $object_type or Carp::croak "subtype specified without type";
596	my $object_subtype = shift @arg;	1119	my $object_subtype = shift @arg;
597	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1120	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
598		1121
599	} elsif ($type eq "package") {	1122	} elsif ($type eq "package") {
600	my $pkg = shift @arg;	1123	my $pkg = shift @arg;
601		1124
602	while (my ($name, $id) = each %cb_id) {	1125	while (my ($name, $id) = each %cb_id) {
…		…
607		1130
608	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
609	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
610		1133
611	} elsif (ref $type) {	1134	} elsif (ref $type) {
612	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
613		1136
614	} else {	1137	} else {
615	shift @arg;	1138	shift @arg;
616	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
617	}	1140	}
618	}	1141	}
619	}	1142	}
620		1143
621	sub _object_attach {	1144	sub _object_attach {
…		…
631	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
632	}	1155	}
633		1156
634	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
635	} else {	1158	} else {
636	warn "object uses attachment '$name' that is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
637	}	1160	}
638		1161
639	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
640	}	1163	}
641		1164
…		…
643	if (ref $_[0]) {	1166	if (ref $_[0]) {
644	_object_attach @_;	1167	_object_attach @_;
645	} else {	1168	} else {
646	_attach shift->_attach_registry, @_;	1169	_attach shift->_attach_registry, @_;
647	}	1170	}
		1171	_recalc_want;
648	};	1172	};
649		1173
650	# all those should be optimised	1174	# all those should be optimised
651	sub cf::attachable::detach {	1175	sub cf::attachable::detach {
652	my ($obj, $name) = @_;	1176	my ($obj, $name) = @_;
…		…
655	delete $obj->{_attachment}{$name};	1179	delete $obj->{_attachment}{$name};
656	reattach ($obj);	1180	reattach ($obj);
657	} else {	1181	} else {
658	Carp::croak "cannot, currently, detach class attachments";	1182	Carp::croak "cannot, currently, detach class attachments";
659	}	1183	}
		1184	_recalc_want;
660	};	1185	};
661		1186
662	sub cf::attachable::attached {	1187	sub cf::attachable::attached {
663	my ($obj, $name) = @_;	1188	my ($obj, $name) = @_;
664		1189
…		…
679	";	1204	";
680	die if $@;	1205	die if $@;
681	}	1206	}
682		1207
683	our $override;	1208	our $override;
684	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?
685		1210
686	sub override {	1211	sub override {
687	$override = 1;	1212	$override = 1;
688	@invoke_results = ();	1213	@INVOKE_RESULTS = (@_);
689	}	1214	}
690		1215
691	sub do_invoke {	1216	sub do_invoke {
692	my $event = shift;	1217	my $event = shift;
693	my $callbacks = shift;	1218	my $callbacks = shift;
694		1219
695	@invoke_results = ();	1220	@INVOKE_RESULTS = ();
696		1221
697	local $override;	1222	local $override;
698		1223
699	for (@$callbacks) {	1224	for (@$callbacks) {
700	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
701		1226
702	if ($@) {	1227	if ($@) {
703	warn "$@";
704	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
705	override;	1229	override;
706	}	1230	}
707		1231
708	return 1 if $override;	1232	return 1 if $override;
709	}	1233	}
710		1234
711	0	1235	0
712	}	1236	}
713		1237
714	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
715		1239
716	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
717		1241
718	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
719		1243
720	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
721	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
722	results (if you must, access C<@cf::invoke_results> directly).	1246	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
723		1247
724	=back	1248	=back
725		1249
726	=cut	1250	=cut
727		1251
728	#############################################################################	1252	#############################################################################
729	# 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, $ob2
		1295	}
730		1296
731	sub reattach {	1297	sub reattach {
732	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
733	my ($obj) = @_;	1299	my ($obj) = @_;
734		1300
		1301	# no longer needed after getting rid of delete_package?
735	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
736		1303
737	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
738		1305
739	@$registry = ();	1306	@$registry = ();
740		1307
…		…
745	for (@$attach) {	1312	for (@$attach) {
746	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
747	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
748	}	1315	}
749	} else {	1316	} else {
750	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
751	}	1318	}
752	}	1319	}
753	}	1320	}
754		1321
755	cf::attachable->attach (	1322	cf::attachable->attach (
756	prio => -1000000,	1323	prio => -1000000,
757	on_instantiate => sub {	1324	on_instantiate => sub {
758	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
759		1326
760	$data = from_json $data;	1327	$data = decode_json $data;
761		1328
762	for (@$data) {	1329	for (@$data) {
763	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
764		1331
765	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
781	sub object_freezer_save {	1348	sub object_freezer_save {
782	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
783		1350
784	sync_job {	1351	sync_job {
785	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
786	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
787	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
788		1357
789	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
790	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
791	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
792	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	}
793	close $fh;	1365	aio_close $fh;
794		1366
795	if (@$objs) {	1367	if (@$objs) {
796	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) {
797	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
798	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
799	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
800	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	}
801	close $fh;	1376	aio_close $fh;
802	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
803	}	1378	}
804	} else {	1379	} else {
805	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
806	}	1381	}
807		1382
808	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
809	} else {	1387	} else {
810	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
811	}	1389	}
812	} else {	1390	} else {
813	aio_unlink $filename;	1391	aio_unlink $filename;
814	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
815	}	1393	}
816	}	1394	};
817	}	1395	}
818		1396
819	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
820	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
821		1399
…		…
833	or return;	1411	or return;
834		1412
835	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
836	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
837	or return;	1415	or return;
		1416
838	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
839	}	1419	}
840		1420
		1421	utf8::decode (my $decname = $filename);
841	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
842	$filename, length $data, scalar @{$av || []};#d#	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
843	return ($data, $av);	1426	($data, $av)
844	}	1427	}
		1428
		1429	=head2 COMMAND CALLBACKS
		1430
		1431	=over 4
		1432
		1433	=cut
845		1434
846	#############################################################################	1435	#############################################################################
847	# command handling &c	1436	# command handling &c
848		1437
849	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
850		1439
851	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
852	$name.	1441	$name.
853		1442
854	=cut	1443	=cut
…		…
860	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
861		1450
862	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
863	}	1452	}
864		1453
865	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
866		1455
867	Register a callbackf ro execution when the client sends an extcmd packet.	1456	Register a callback for execution when the client sends an (synchronous)
		1457	extcmd packet. Ext commands will be processed in the order they are
		1458	received by the server, like other user commands. The first argument is
		1459	the logged-in player. Ext commands can only be processed after a player
		1460	has logged in successfully.
868		1461
869	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
870	called.
871		1463
872	=cut	1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
873		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$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
874	sub register_extcmd {	1486	sub register_extcmd($$) {
875	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
876		1488
877	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
878	}	1490	}
879		1491
		1492	sub register_async_extcmd($$) {
		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} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
880	cf::player->attach (	1512	cf::player->attach (
881	on_command => sub {	1513	on_unknown_command => sub {
882	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
883		1515
884	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
885	or return;	1517	or return;
886		1518
…		…
891	cf::override;	1523	cf::override;
892	},	1524	},
893	on_extcmd => sub {	1525	on_extcmd => sub {
894	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
895		1527
896	my $msg = eval { from_json $buf };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
897		1529
898	if (ref $msg) {	1530	if (ref $msg) {
		1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1532
899	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1533	if (my $cb = $EXTACMD{$type}) {
900	if (my %reply = $cb->($pl, $msg)) {	1534	$cb->(
901	$pl->ext_reply ($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);
902	}	1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
903	}	1551	}
		1552
904	} else {	1553	} else {
905	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
906	}	1555	}
907		1556
908	cf::override;	1557	cf::override;
909	},	1558	},
910	);	1559	);
911		1560
		1561	# "readahead" all extensions
912	sub load_extension {	1562	sub cache_extensions {
913	my ($path) = @_;	1563	my $grp = IO::AIO::aio_group;
914		1564
915	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
916	my $base = $1;	1566	for (grep /\.ext$/, @{$_[0]}) {
917	my $pkg = $1;	1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
918	$pkg =~ s/[^[:word:]]/_/g;
919	$pkg = "ext::$pkg";
920
921	warn "... loading '$path' into '$pkg'\n";
922
923	open my $fh, "<:utf8", $path
924	or die "$path: $!";
925
926	my $source =
927	"package $pkg; use strict; use utf8;\n"
928	. "#line 1 \"$path\"\n{\n"
929	. (do { local $/; <$fh> })
930	. "\n};\n1";
931
932	unless (eval $source) {
933	my $msg = $@ ? "$path: $@\n"
934	: "extension disabled.\n";
935	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
936	warn $@;
937	warn "mandatory extension failed to load, exiting.\n";
938	exit 1;
939	}	1568	}
940	die $@;
941	}	1569	};
942		1570
943	push @EXTS, $pkg;	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;
944	}	1583	}
945		1584
946	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
		1590	cf::sync_job {
		1591	my %todo;
		1592
947	for my $ext (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
948	next unless -r $ext;	1594	next unless -r $path;
949	eval {	1595
950	load_extension $ext;	1596	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1597	my $base = $1;
		1598	my $pkg = $1;
		1599	$pkg =~ s/[^[:word:]]/_/g;
		1600	$pkg = "ext::$pkg";
		1601
		1602	open my $fh, "<:utf8", $path
		1603	or die "$path: $!";
		1604
		1605	my $source = do { local $/; <$fh> };
		1606
		1607	my %ext = (
		1608	path => $path,
		1609	base => $base,
		1610	pkg => $pkg,
		1611	);
		1612
		1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1615
		1616	$ext{source} =
		1617	"package $pkg; use common::sense;\n"
		1618	. "#line 1 \"$path\"\n{\n"
		1619	. $source
		1620	. "\n};\n1";
		1621
		1622	$todo{$base} = \%ext;
		1623	}
		1624
		1625	my $pass = 0;
		1626	my %done;
		1627	while (%todo) {
		1628	my $progress;
		1629
		1630	++$pass;
		1631
		1632	ext:
		1633	while (my ($k, $v) = each %todo) {
		1634	for (split /,\s*/, $v->{meta}{depends}) {
		1635	next ext
		1636	unless exists $done{$_};
		1637	}
		1638
		1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1640
		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 $@) {
		1653	error "$v->{path}: $@\n";
		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1656	if exists $v->{meta}{mandatory};
		1657
		1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1659	delete $todo{$k};
		1660	} else {
		1661	$done{$k} = delete $todo{$k};
		1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
		1667	}
951	1	1668	}
952	} or warn "$ext not loaded: $@";	1669
		1670	unless ($progress) {
		1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		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	}
		1680	}
953	}	1681	};
954	}	1682	}
955		1683
956	#############################################################################	1684	#############################################################################
957		1685
		1686	=back
		1687
958	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
959		1689
960	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
961		1691
962	=cut	1692	=cut
963		1693
964	package cf::player;	1694	package cf::player;
965		1695
966	use Coro::AIO;	1696	use Coro::AIO;
967		1697
968	=head3 cf::player	1698	=head3 cf::player
969		1699
970	=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	}
971		1715
972	=item cf::player::find $login	1716	=item cf::player::find $login
973		1717
974	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
975		1719
…		…
994		1738
995	sub exists($) {	1739	sub exists($) {
996	my ($login) = @_;	1740	my ($login) = @_;
997		1741
998	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
999	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1000	}	1744	}
1001		1745
1002	sub find($) {	1746	sub find($) {
1003	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1004	my $login = $_[0];	1748	my $login = $_[0];
…		…
1011	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1012	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1013	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1014	aio_unlink +(playerdir $login) . "/$login.pl";	1758	aio_unlink +(playerdir $login) . "/$login.pl";
1015		1759
1016	my $pl = load_pl path $login	1760	my $f = new_from_file cf::object::thawer path $login
1017	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;
1018	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1019	}	1769	}
1020	}	1770	}
1021	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($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	);
1022		1785
1023	sub save($) {	1786	sub save($) {
1024	my ($pl) = @_;	1787	my ($pl) = @_;
1025		1788
1026	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1031	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1032		1795
1033	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1034	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1035		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
1036	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1037	Coro::cede;	1805	cf::cede_to_tick;
1038	}	1806	}
1039		1807
1040	sub new($) {	1808	sub new($) {
1041	my ($login) = @_;	1809	my ($login) = @_;
1042		1810
…		…
1048	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1049		1817
1050	$self	1818	$self
1051	}	1819	}
1052		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
1053	=item $pl->quit_character	1831	=item $pl->quit_character
1054		1832
1055	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1056	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1057		1835
…		…
1061	my ($pl) = @_;	1839	my ($pl) = @_;
1062		1840
1063	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1064		1842
1065	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1066	$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
1067		1845
1068	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1069	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1070	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1071	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1072		1854
1073	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1074	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1075	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1110	or return [];	1892	or return [];
1111		1893
1112	my @logins;	1894	my @logins;
1113		1895
1114	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") {
1115	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1116	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1117	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1118		1906
1119	utf8::decode $login;	1907	utf8::decode $login;
1120	push @logins, $login;	1908	push @logins, $login;
1121	}	1909	}
1122		1910
1123	\@logins	1911	\@logins
1124	}	1912	}
1125		1913
1126	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1127		1917
1128	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1129	player. May block.	1919	player. May block.
1130		1920
1131	=cut	1921	=cut
…		…
1149	}	1939	}
1150		1940
1151	\@paths	1941	\@paths
1152	}	1942	}
1153		1943
1154	=item $player->ext_reply ($msgid, %msg)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1155		1945
1156	Sends an ext reply to the player.	1946	Expand deliantra pod fragments into protocol xml.
1157		1947
1158	=cut
1159
1160	sub ext_reply($$%) {
1161	my ($self, $id, %msg) = @_;
1162
1163	$msg{msgid} = $id;
1164
1165	$self->send ("ext " . cf::to_json \%msg);
1166	}
1167
1168	=item $player->ext_event ($type, %msg)	1948	=item $player->ext_msg ($type, @msg)
1169		1949
1170	Sends an ext event to the client.	1950	Sends an ext event to the client.
1171		1951
1172	=cut	1952	=cut
1173		1953
1174	sub ext_event($$%) {	1954	sub ext_msg($$@) {
1175	my ($self, $type, %msg) = @_;	1955	my ($self, $type, @msg) = @_;
1176		1956
1177	$self->ns->ext_event ($type, %msg);	1957	$self->ns->ext_msg ($type, @msg);
1178	}	1958	}
1179		1959
1180	=head3 cf::region	1960	=head3 cf::region
1181		1961
1182	=over 4	1962	=over 4
…		…
1185		1965
1186	package cf::region;	1966	package cf::region;
1187		1967
1188	=item cf::region::find_by_path $path	1968	=item cf::region::find_by_path $path
1189		1969
1190	Tries to decuce the probable region for a map knowing only its path.	1970	Tries to decuce the likely region for a map knowing only its path.
1191		1971
1192	=cut	1972	=cut
1193		1973
1194	sub find_by_path($) {	1974	sub find_by_path($) {
1195	my ($path) = @_;	1975	my ($path) = @_;
1196		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
		1978
1197	my ($match, $specificity);	1979	my ($match, $specificity);
1198		1980
1199	for my $region (list) {	1981	for my $region (list) {
1200	if ($region->match && $path =~ $region->match) {	1982	if ($region->{match} && $path =~ $region->{match}) {
1201	($match, $specificity) = ($region, $region->specificity)	1983	($match, $specificity) = ($region, $region->specificity)
1202	if $region->specificity > $specificity;	1984	if $region->specificity > $specificity;
1203	}	1985	}
1204	}	1986	}
1205		1987
…		…
1226	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1227	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1228		2010
1229	sub generate_random_map {	2011	sub generate_random_map {
1230	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1231	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1232	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1233	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1234	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1235	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1236	$rmp->{exit_on_final_map},
1237	$rmp->{xsize}, $rmp->{ysize},
1238	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1239	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1240	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1241	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1242	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1243	(cf::region::find $rmp->{region}), $rmp->{custom}
1244	)
1245	}	2017	}
1246		2018
1247	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1248		2020
1249	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
…		…
1254		2026
1255	sub register {	2027	sub register {
1256	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1257	my $pkg = caller;	2029	my $pkg = caller;
1258		2030
1259	no strict;
1260	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1261		2032
1262	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1263	}	2034	}
1264		2035
1265	# also paths starting with '/'	2036	# also paths starting with '/'
1266	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1267		2038
1268	sub thawer_merge {	2039	sub thawer_merge {
1269	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1270		2041
1271	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
1272	local $self->{path};	2043	local $self->{path};
1273	local $self->{load_path};	2044	local $self->{load_path};
1274	local $self->{deny_save};
1275	local $self->{deny_reset};
1276		2045
1277	$self->SUPER::thawer_merge ($merge);	2046	$self->SUPER::thawer_merge ($merge);
1278	}	2047	}
1279		2048
1280	sub normalise {	2049	sub normalise {
1281	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1282		2051
1283	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1284		2053
1285	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1286		2055
1287	# map plan:	2056	# map plan:
1288	#	2057	#
…		…
1303	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1304	$path = "$base/$path";	2073	$path = "$base/$path";
1305	}	2074	}
1306		2075
1307	for ($path) {	2076	for ($path) {
1308	redo if s{//}{/};
1309	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1310	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1311	}	2079	}
1312		2080
1313	$path	2081	$path
…		…
1327	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1328	return $self;	2096	return $self;
1329	}	2097	}
1330	}	2098	}
1331		2099
1332	Carp::carp "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1333	()	2101	()
1334	}	2102	}
1335		2103
		2104	# may re-bless or do other evil things
1336	sub init {	2105	sub init {
1337	my ($self) = @_;	2106	my ($self) = @_;
1338		2107
1339	$self	2108	$self
1340	}	2109	}
…		…
1359		2128
1360	# the temporary/swap location	2129	# the temporary/swap location
1361	sub save_path {	2130	sub save_path {
1362	my ($self) = @_;	2131	my ($self) = @_;
1363		2132
1364	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1365	"$TMPDIR/$path.map"	2134	"$TMPDIR/$path.map"
1366	}	2135	}
1367		2136
1368	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1369	sub uniq_path {	2138	sub uniq_path {
1370	my ($self) = @_;	2139	my ($self) = @_;
1371		2140
1372	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1373	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1374	}	2143	}
1375		2144
1376	# and all this just because we cannot iterate over	2145	sub decay_objects {
1377	# all maps in C++...
1378	sub change_all_map_light {
1379	my ($change) = @_;	2146	my ($self) = @_;
1380		2147
1381	$_->change_map_light ($change)	2148	return if $self->{deny_reset};
1382	for grep $_->outdoor, values %cf::MAP;	2149
		2150	$self->do_decay_objects;
1383	}	2151	}
1384		2152
1385	sub unlink_save {	2153	sub unlink_save {
1386	my ($self) = @_;	2154	my ($self) = @_;
1387		2155
…		…
1392		2160
1393	sub load_header_from($) {	2161	sub load_header_from($) {
1394	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1395		2163
1396	utf8::encode $path;	2164	utf8::encode $path;
1397	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1398	# or return;
1399
1400	$self->_load_header ($path)
1401	or return;	2166	or return;
1402		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1403	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1404		2175
1405	1	2176	1
1406	}	2177	}
1407		2178
		2179	# used to laod the header of an original map
1408	sub load_header_orig {	2180	sub load_header_orig {
1409	my ($self) = @_;	2181	my ($self) = @_;
1410		2182
1411	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1412	}	2184	}
1413		2185
		2186	# used to laod the header of an instantiated map
1414	sub load_header_temp {	2187	sub load_header_temp {
1415	my ($self) = @_;	2188	my ($self) = @_;
1416		2189
1417	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1418	}	2191	}
1419		2192
		2193	# called after loading the header from an instantiated map
1420	sub prepare_temp {	2194	sub prepare_temp {
1421	my ($self) = @_;	2195	my ($self) = @_;
1422		2196
1423	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1424	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1425	# safety	2199	# safety
1426	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1427	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1428	}	2202	}
1429		2203
		2204	# called after loading the header from an original map
1430	sub prepare_orig {	2205	sub prepare_orig {
1431	my ($self) = @_;	2206	my ($self) = @_;
1432		2207
1433	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1434	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1445	$self->load_header_orig	2220	$self->load_header_orig
1446	or return;	2221	or return;
1447	$self->prepare_orig;	2222	$self->prepare_orig;
1448	}	2223	}
1449		2224
		2225	$self->{deny_reset} = 1
		2226	if $self->no_reset;
		2227
1450	$self->default_region (cf::region::find_by_path $self->{path})	2228	$self->default_region (cf::region::find_by_path $self->{path})
1451	unless $self->default_region;	2229	unless $self->default_region;
1452		2230
1453	1	2231	1
1454	}	2232	}
1455		2233
1456	sub find;	2234	sub find;
1457	sub find {	2235	sub find {
1458	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1459		2237
		2238	cf::cede_to_tick;
		2239
1460	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1461		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1462	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1463		2244
1464	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1465	my $guard = cf::lock_acquire "map_find:$path";
1466	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1467	or return;	2247	or return;
1468		2248
1469	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1470		2250
1471	$map->load_header	2251	$map->load_header
1472	or return;	2252	or return;
1473		2253
1474	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1475	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1476	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1477	$map->reset;	2259	$map->reset;
1478	undef $guard;
1479	return find $path;	2260	return find $path;
1480	}	2261	}
1481		2262
1482	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1483	}	2264	}
1484	}	2265	}
1485		2266
1486	sub pre_load { }	2267	sub pre_load { }
1487	sub post_load { }	2268	#sub post_load { } # XS
1488		2269
1489	sub load {	2270	sub load {
1490	my ($self) = @_;	2271	my ($self) = @_;
1491		2272
1492	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1493		2274
1494	my $path = $self->{path};	2275	my $path = $self->{path};
1495		2276
1496	{	2277	{
1497	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1498		2279
		2280	return unless $self->valid;
1499	return if $self->in_memory != cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
1500
1501	$self->in_memory (cf::MAP_LOADING);
1502		2282
1503	$self->alloc;	2283	$self->alloc;
1504		2284
1505	$self->pre_load;	2285	$self->pre_load;
1506	Coro::cede;	2286	cf::cede_to_tick;
1507		2287
1508	$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)
1509	or return;	2292	or return;
1510		2293
1511	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1512	if delete $self->{load_original};	2295	if delete $self->{load_original};
1513		2296
1514	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1515	utf8::encode $uniq;	2298	utf8::encode $uniq;
1516	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1517	$self->clear_unique_items;	2301	$self->clear_unique_items;
1518	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1519	}	2306	}
1520	}
1521		2307
1522	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;
1523	# now do the right thing for maps	2317	# now do the right thing for maps
1524	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1525	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1526	unless $self->difficulty;	2320	unless $self->difficulty;
1527	Coro::cede;	2321	cf::cede_to_tick;
1528		2322
1529	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
1530	$self->decay_objects;	2324	$self->decay_objects;
1531	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
1532	$self->update_buttons;	2326	$self->update_buttons;
1533	Coro::cede;	2327	cf::cede_to_tick;
1534	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
1535	Coro::cede;
1536	$self->activate;
1537	}	2329	}
1538		2330
1539	$self->in_memory (cf::MAP_IN_MEMORY);	2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1540	}	2333	}
1541		2334
1542	$self->post_load;	2335	$self->post_load;
1543	}
1544		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
1545	sub customise_for {	2343	sub customise_for {
1546	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1547		2345
1548	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1549	if $self->per_player;	2347	if $self->per_player;
1550		2348
		2349	# return find "?party/" . $ob->name . "/" . $self->{path}
		2350	# if $self->per_party;
		2351
1551	$self	2352	$self
1552	}
1553
1554	# find and load all maps in the 3x3 area around a map
1555	sub load_diag {
1556	my ($map) = @_;
1557
1558	my @diag; # diagonal neighbours
1559
1560	for (0 .. 3) {
1561	my $neigh = $map->tile_path ($_)
1562	or next;
1563	$neigh = find $neigh, $map
1564	or next;
1565	$neigh->load;
1566
1567	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1568	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1569	}
1570
1571	for (@diag) {
1572	my $neigh = find @$_
1573	or next;
1574	$neigh->load;
1575	}
1576	}	2353	}
1577		2354
1578	sub find_sync {	2355	sub find_sync {
1579	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1580		2357
1581	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
1582	}	2363	}
1583		2364
1584	sub do_load_sync {	2365	sub do_load_sync {
1585	my ($map) = @_;	2366	my ($map) = @_;
1586		2367
1587	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;
1588	}	2373	}
1589		2374
1590	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1591	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1592		2377
1593	sub find_async {	2378	sub find_async {
1594	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1595		2380
1596	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1597		2382
1598	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1599	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1600	}	2385	}
1601		2386
1602	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1603	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1604	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1605	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1606	my $map = find $path	2394	if (my $map = find $k) {
1607	or next;
1608	$map->load;	2395	$map->load if $v;
		2396	}
1609		2397
1610	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1611	}	2399	}
1612	}	2400	}
1613	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1614	};	2402	};
1615	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1616		2404
1617	()	2405	()
1618	}	2406	}
1619		2407
		2408	# common code, used by both ->save and ->swapout
1620	sub save {	2409	sub _save {
1621	my ($self) = @_;	2410	my ($self) = @_;
1622
1623	my $lock = cf::lock_acquire "map_data:" . $self->path;
1624		2411
1625	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1626		2413
1627	return unless $self->dirty;	2414	return unless $self->dirty;
1628		2415
…		…
1634	return if $self->{deny_save};	2421	return if $self->{deny_save};
1635		2422
1636	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
1637		2424
1638	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
1639	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
1640	};	2428	};
		2429
		2430	cf::get_slot 0.02;
1641		2431
1642	if ($uniq) {	2432	if ($uniq) {
1643	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1644	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1645	} else {	2435	} else {
1646	$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);
1647	}	2437	}
1648	}	2438	}
1649		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
1650	sub swap_out {	2448	sub swap_out {
1651	my ($self) = @_;	2449	my ($self) = @_;
1652		2450
1653	# save first because save cedes
1654	$self->save;
1655
1656	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
1657		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
1658	return if $self->players;	2455	return if $self->players;
1659	return if $self->in_memory != cf::MAP_IN_MEMORY;
1660	return if $self->{deny_save};
1661		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
1662	$self->clear;	2466	$self->clear;
1663	$self->in_memory (cf::MAP_SWAPPED);
1664	}	2467	}
1665		2468
1666	sub reset_at {	2469	sub reset_at {
1667	my ($self) = @_;	2470	my ($self) = @_;
1668		2471
1669	# TODO: safety, remove and allow resettable per-player maps	2472	# TODO: safety, remove and allow resettable per-player maps
1670	return 1e99 if $self->isa ("ext::map_per_player");#d#
1671	return 1e99 if $self->{deny_reset};	2473	return 1e99 if $self->{deny_reset};
1672		2474
1673	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1674	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1675		2477
…		…
1686	my ($self) = @_;	2488	my ($self) = @_;
1687		2489
1688	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
1689		2491
1690	return if $self->players;	2492	return if $self->players;
1691	return if $self->isa ("ext::map_per_player");#d#
1692		2493
1693	warn "resetting map ", $self->path;#d#	2494	cf::trace "resetting map ", $self->path, "\n";
1694		2495
1695	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
1696		2497
1697	# need to save uniques path	2498	# need to save uniques path
1698	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
1699	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
1700		2501
…		…
1702	if $uniq;	2503	if $uniq;
1703	}	2504	}
1704		2505
1705	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
1706		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
1707	$self->clear;	2510	$self->clear;
1708
1709	$_->clear_links_to ($self) for values %cf::MAP;
1710		2511
1711	$self->unlink_save;	2512	$self->unlink_save;
1712	$self->destroy;	2513	$self->destroy;
1713	}	2514	}
1714		2515
1715	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
1716		2517
1717	sub nuke {	2518	sub nuke {
1718	my ($self) = @_;	2519	my ($self) = @_;
1719		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
1720	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
1721		2525
1722	$self->unlink_save;	2526	$self->unlink_save;
1723		2527
1724	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
1725	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
1726	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
1727	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
1728	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1729		2533
1730	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
1731		2536
1732	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
		2538	}
		2539
		2540	=item $maps = cf::map::tmp_maps
		2541
		2542	Returns an arrayref with all map paths of currently instantiated and saved
		2543	maps. May block.
		2544
		2545	=cut
		2546
		2547	sub tmp_maps() {
		2548	[
		2549	map {
		2550	utf8::decode $_;
		2551	/\.map$/
		2552	? normalise $_
		2553	: ()
		2554	} @{ aio_readdir $TMPDIR or [] }
		2555	]
		2556	}
		2557
		2558	=item $maps = cf::map::random_maps
		2559
		2560	Returns an arrayref with all map paths of currently instantiated and saved
		2561	random maps. May block.
		2562
		2563	=cut
		2564
		2565	sub random_maps() {
		2566	[
		2567	map {
		2568	utf8::decode $_;
		2569	/\.map$/
		2570	? normalise "?random/$_"
		2571	: ()
		2572	} @{ aio_readdir $RANDOMDIR or [] }
		2573	]
1733	}	2574	}
1734		2575
1735	=item cf::map::unique_maps	2576	=item cf::map::unique_maps
1736		2577
1737	Returns an arrayref of paths of all shared maps that have	2578	Returns an arrayref of paths of all shared maps that have
1738	instantiated unique items. May block.	2579	instantiated unique items. May block.
1739		2580
1740	=cut	2581	=cut
1741		2582
1742	sub unique_maps() {	2583	sub unique_maps() {
1743	my $files = aio_readdir $UNIQUEDIR	2584	[
1744	or return;	2585	map {
1745
1746	my @paths;
1747
1748	for (@$files) {
1749	utf8::decode $_;	2586	utf8::decode $_;
1750	next if /\.pst$/;	2587	s/\.map$//; # TODO future compatibility hack
1751	next unless /^$PATH_SEP/o;	2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1752		2589	? ()
1753	push @paths, cf::map::normalise $_;	2590	: normalise $_
		2591	} @{ aio_readdir $UNIQUEDIR or [] }
1754	}	2592	]
1755
1756	\@paths
1757	}	2593	}
1758		2594
1759	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	}
1760		2626
1761	=back	2627	=back
1762		2628
1763	=head3 cf::object	2629	=head3 cf::object
1764		2630
…		…
1768		2634
1769	=over 4	2635	=over 4
1770		2636
1771	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
1772		2638
1773	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.
1774		2641
1775	=cut	2642	=cut
1776		2643
1777	sub inv_recursive_;	2644	sub inv_recursive_;
1778	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
1781		2648
1782	sub inv_recursive {	2649	sub inv_recursive {
1783	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
1784	}	2651	}
1785		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
1786	package cf;	2681	package cf;
1787		2682
1788	=back	2683	=back
1789		2684
1790	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
1796	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>
1797	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
1798	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
1799		2694
1800	=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	};
1801		2710
1802	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
1803	# with dialog boxes.	2712	# with dialog boxes.
1804	#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
1805	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
1807		2716
1808	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2717	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1809		2718
1810	if ($self->{record_replies}) {	2719	if ($self->{record_replies}) {
1811	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2720	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2721
1812	} 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 {
1813	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
1814	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2732	}
1815	}	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 (@_);
1816	}	2744	}
1817		2745
1818	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
1819		2747
1820	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
1833		2761
1834	=item $player_object->enter_link	2762	=item $player_object->enter_link
1835		2763
1836	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}>).
1837		2765
1838	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.
1839	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.
1840		2770
1841	Will never block.	2771	Will never block.
1842		2772
1843	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
1844		2774
…		…
1864	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
1865	my ($self) = @_;	2795	my ($self) = @_;
1866		2796
1867	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
1868		2798
		2799	++$self->{_link_recursion};
		2800
1869	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
1870		2802
1871	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1872	if $self->map;	2804	if $self->map && $self->map->{path} ne "{link}";
1873		2805
1874	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1875	}	2807	}
1876		2808
1877	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
1878	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
		2811
		2812	return unless $self->contr->active;
1879		2813
1880	my $link_pos = delete $self->{_link_pos};	2814	my $link_pos = delete $self->{_link_pos};
1881		2815
1882	unless ($map) {	2816	unless ($map) {
1883	# restore original map position	2817	# restore original map position
…		…
1894	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
1895	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
1896		2830
1897	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
1898	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
1899	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
1900		2834
1901	$map->load;	2835	$map->load;
1902	$map->load_diag;
1903		2836
1904	return unless $self->contr->active;	2837	return unless $self->contr->active;
1905	$self->activate_recursive;
1906		2838
1907	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1908	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
1909	}	2841	# entering was successful
1910		2842	delete $self->{_link_recursion};
1911	cf::player->attach (	2843	# only activate afterwards, to support waiting in hooks
1912	on_logout => sub {	2844	$self->activate_recursive;
1913	my ($pl) = @_;
1914
1915	# abort map switching before logout
1916	if ($pl->ob->{_link_pos}) {
1917	cf::sync_job {
1918	$pl->ob->leave_link
1919	};
1920	}
1921	},	2845	}
1922	on_login => sub {
1923	my ($pl) = @_;
1924		2846
1925	# try to abort aborted map switching on player login :)	2847	}
1926	# should happen only on crashes
1927	if ($pl->ob->{_link_pos}) {
1928	$pl->ob->enter_link;
1929	(async {
1930	$pl->ob->reply (undef,
1931	"There was an internal problem at your last logout, "
1932	. "the server will try to bring you to your intended destination in a second.",
1933	cf::NDI_RED);
1934	# we need this sleep as the login has a concurrent enter_exit running
1935	# and this sleep increases chances of the player not ending up in scorn
1936	Coro::Timer::sleep 1;
1937	$pl->ob->leave_link;
1938	})->prio (2);
1939	}
1940	},
1941	);
1942		2848
1943	=item $player_object->goto ($path, $x, $y)	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1944		2850
		2851	Moves the player to the given map-path and coordinates by first freezing
		2852	her, loading and preparing them map, calling the provided $check callback
		2853	that has to return the map if sucecssful, and then unfreezes the player on
		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 >>.
		2859
1945	=cut	2860	=cut
		2861
		2862	our $GOTOGEN;
1946		2863
1947	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
1948	my ($self, $path, $x, $y) = @_;	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	}
		2872
		2873	# do generation counting so two concurrent goto's will be executed in-order
		2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1949		2875
1950	$self->enter_link;	2876	$self->enter_link;
1951		2877
1952	(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
1953	my $map = eval {	2900	my $map = eval {
1954	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2902
		2903	if ($map) {
1955	$map = $map->customise_for ($self) if $map;	2904	$map = $map->customise_for ($self);
		2905	$map = $check->($map, $x, $y, $self) if $check && $map;
		2906	} else {
		2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2908	}
		2909
1956	$map	2910	$map
		2911	};
		2912
		2913	if ($@) {
		2914	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2915	LOG llevError | logBacktrace, Carp::longmess $@;
1957	} or	2916	}
1958	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1959		2917
		2918	if ($gen == $self->{_goto_generation}) {
		2919	delete $self->{_goto_generation};
1960	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
		2921	}
		2922
		2923	$done->($self) if $done;
1961	})->prio (1);	2924	})->prio (1);
1962	}	2925	}
1963		2926
1964	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
1965		2928
…		…
1985	}	2948	}
1986		2949
1987	sub prepare_random_map {	2950	sub prepare_random_map {
1988	my ($exit) = @_;	2951	my ($exit) = @_;
1989		2952
1990	my $guard = cf::lock_acquire "exit_prepare:$exit";
1991
1992	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
1993	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
1994	# that depends on the exit object	2955	# that depends on the exit object
1995		2956
1996	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
1998	if ($exit->map) {	2959	if ($exit->map) {
1999	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
2000	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
2001	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
2002	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
2003	}	2966	}
2004		2967
2005	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
2006		2969
2007	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2008	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
2009	my $meta = "$RANDOMDIR/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
2010		2973
2011	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2012	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
2013	undef $fh;	2976	undef $fh;
2014	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
2015		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
2016	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
2017	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
2018	}	2985	}
2019	}	2986	}
2020		2987
2021	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2022	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2023		2990
2024	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2025		2992
2026	if ($exit->slaying eq "/!") {
2027	#TODO: this should de-fi-ni-te-ly not be a sync-job
2028	# the problem is that $exit might not survive long enough
2029	# so it needs to be done right now, right here
2030	cf::sync_job { prepare_random_map $exit };
2031	}
2032
2033	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2034	my $hp = $exit->stats->hp;
2035	my $sp = $exit->stats->sp;
2036
2037	$self->enter_link;	2993	$self->enter_link;
2038		2994
2039	(async {	2995	(async {
2040	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
2041	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
2042	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2043		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
2044	1;	3034	1
2045	}) {	3035	}) {
2046	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2047	. "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. "
2048	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2049	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2050		3040
2051	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2052	$self->leave_link;	3042	$self->leave_link;
2053	}	3043	}
2054	})->prio (1);	3044	})->prio (1);
2055	}	3045	}
2056		3046
…		…
2070		3060
2071	utf8::encode $text;	3061	utf8::encode $text;
2072	$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);
2073	}	3063	}
2074		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
2075	=item $client->ext_event ($type, %msg)	3252	=item $client->ext_msg ($type, @msg)
2076		3253
2077	Sends an exti event to the client.	3254	Sends an ext event to the client.
2078		3255
2079	=cut	3256	=cut
2080		3257
2081	sub cf::client::ext_event($$%) {	3258	sub cf::client::ext_msg($$@) {
2082	my ($self, $type, %msg) = @_;	3259	my ($self, $type, @msg) = @_;
2083		3260
2084	$msg{msgtype} = "event_$type";	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2085	$self->send_packet ("ext " . cf::to_json \%msg);
2086	}	3262	}
2087		3263
2088	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2089		3265
2090	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
2091	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>,
2092	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>.
2093		3269
2094	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
2095	reliable at some point in the future.	3271	become reliable at some point in the future.
2096		3272
2097	=cut	3273	=cut
2098		3274
2099	sub cf::client::query {	3275	sub cf::client::query {
2100	my ($self, $flags, $text, $cb) = @_;	3276	my ($self, $flags, $text, $cb) = @_;
…		…
2108	utf8::encode $text;	3284	utf8::encode $text;
2109	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3285	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2110		3286
2111	$self->send_packet ($self->{query_queue}[0][0])	3287	$self->send_packet ($self->{query_queue}[0][0])
2112	if @{ $self->{query_queue} } == 1;	3288	if @{ $self->{query_queue} } == 1;
		3289
		3290	1
2113	}	3291	}
2114		3292
2115	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	},
2116	on_reply => sub {	3299	on_reply => sub {
2117	my ($ns, $msg) = @_;	3300	my ($ns, $msg) = @_;
2118		3301
2119	# this weird shuffling is so that direct followup queries	3302	# this weird shuffling is so that direct followup queries
2120	# get handled first	3303	# get handled first
…		…
2132	} else {	3315	} else {
2133	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3316	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2134	}	3317	}
2135	}	3318	}
2136	},	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	},
2137	);	3353	);
2138		3354
2139	=item $client->async (\&cb)	3355	=item $client->async (\&cb)
2140		3356
2141	Create a new coroutine, running the specified callback. The coroutine will	3357	Create a new coroutine, running the specified callback. The coroutine will
…		…
2157		3373
2158	$coro	3374	$coro
2159	}	3375	}
2160		3376
2161	cf::client->attach (	3377	cf::client->attach (
2162	on_destroy => sub {	3378	on_client_destroy => sub {
2163	my ($ns) = @_;	3379	my ($ns) = @_;
2164		3380
2165	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2166	},	3382	},
2167	);	3383	);
…		…
2182	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2183	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2184		3400
2185	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2186		3402
2187	$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	));
2188		3408
2189	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2190		3410
2191	=pod	3411	=pod
2192		3412
2193	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2194		3414
2195	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
2196	cf::object::player player	3420	cf::object::player
2197	cf::player peaceful	3421	player
2198	cf::map trigger	3422
		3423	cf::player
		3424	peaceful
		3425
		3426	cf::map
		3427	trigger
2199		3428
2200	=cut	3429	=cut
2201		3430
2202	for (	3431	for (
2203	["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)],
2204	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2205	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2206	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2207	) {	3438	) {
2208	no strict 'refs';
2209	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2210	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2211	for @funs;	3441	for @funs;
2212	}	3442	}
2213		3443
…		…
2228		3458
2229	my $qcode = $code;	3459	my $qcode = $code;
2230	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2231	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2232		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2233	local $_;	3466	local $_;
2234	local @safe::cf::_safe_eval_args = values %vars;
2235		3467
2236	my $eval =	3468	my $eval =
2237	"do {\n"	3469	"do {\n"
2238	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2239	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2240	. $code	3472	. $code
2241	. "\n}"	3473	. "\n}"
2242	;	3474	;
2243		3475
		3476	if ($CFG{safe_eval}) {
2244	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2245	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2246	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	}
2247		3485
2248	if ($@) {	3486	if ($@) {
2249	warn "$@";	3487	warn "$@",
2250	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2251	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2252	}	3490	}
2253		3491
2254	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2255	}	3493	}
2256		3494
…		…
2270	=cut	3508	=cut
2271		3509
2272	sub register_script_function {	3510	sub register_script_function {
2273	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2274		3512
2275	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2276	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2277	}	3515	}
2278		3516
2279	=back	3517	=back
2280		3518
2281	=cut	3519	=cut
2282
2283	#############################################################################
2284
2285	=head2 EXTENSION DATABASE SUPPORT
2286
2287	Crossfire maintains a very simple database for extension use. It can
2288	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2289	convert to/from binary).
2290
2291	The parameter C<$family> should best start with the name of the extension
2292	using it, it should be unique.
2293
2294	=over 4
2295
2296	=item $value = cf::db_get $family => $key
2297
2298	Returns a single value from the database.
2299
2300	=item cf::db_put $family => $key => $value
2301
2302	Stores the given C<$value> in the family.
2303
2304	=cut
2305
2306	our $DB;
2307
2308	sub db_init {
2309	unless ($DB) {
2310	$DB = BDB::db_create $DB_ENV;
2311
2312	cf::sync_job {
2313	eval {
2314	$DB->set_flags (BDB::CHKSUM);
2315
2316	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2317	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2318	cf::cleanup "db_open(db): $!" if $!;
2319	};
2320	cf::cleanup "db_open(db): $@" if $@;
2321	};
2322	}
2323	}
2324
2325	sub db_get($$) {
2326	my $key = "$_[0]/$_[1]";
2327
2328	cf::sync_job {
2329	BDB::db_get $DB, undef, $key, my $data;
2330
2331	$! ? ()
2332	: $data
2333	}
2334	}
2335
2336	sub db_put($$$) {
2337	BDB::dbreq_pri 4;
2338	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2339	}
2340
2341	=item cf::cache $id => [$paths...], $processversion => $process
2342
2343	Generic caching function that returns the value of the resource $id,
2344	caching and regenerating as required.
2345
2346	This function can block.
2347
2348	=cut
2349
2350	sub cache {
2351	my ($id, $src, $processversion, $process) = @_;
2352
2353	my $meta =
2354	join "\x00",
2355	$processversion,
2356	map {
2357	aio_stat $_
2358	and Carp::croak "$_: $!";
2359
2360	($_, (stat _)[7,9])
2361	} @$src;
2362
2363	my $dbmeta = db_get cache => "$id/meta";
2364	if ($dbmeta ne $meta) {
2365	# changed, we may need to process
2366
2367	my @data;
2368	my $md5;
2369
2370	for (0 .. $#$src) {
2371	0 <= aio_load $src->[$_], $data[$_]
2372	or Carp::croak "$src->[$_]: $!";
2373	}
2374
2375	# if processing is expensive, check
2376	# checksum first
2377	if (1) {
2378	$md5 =
2379	join "\x00",
2380	$processversion,
2381	map {
2382	Coro::cede;
2383	($src->[$_], Digest::MD5::md5_hex $data[$_])
2384	} 0.. $#$src;
2385
2386
2387	my $dbmd5 = db_get cache => "$id/md5";
2388	if ($dbmd5 eq $md5) {
2389	db_put cache => "$id/meta", $meta;
2390
2391	return db_get cache => "$id/data";
2392	}
2393	}
2394
2395	my $t1 = Time::HiRes::time;
2396	my $data = $process->(\@data);
2397	my $t2 = Time::HiRes::time;
2398
2399	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2400
2401	db_put cache => "$id/data", $data;
2402	db_put cache => "$id/md5" , $md5;
2403	db_put cache => "$id/meta", $meta;
2404
2405	return $data;
2406	}
2407
2408	db_get cache => "$id/data"
2409	}
2410
2411	=item fork_call { }, $args
2412
2413	Executes the given code block with the given arguments in a seperate
2414	process, returning the results. Everything must be serialisable with
2415	Coro::Storable. May, of course, block. Note that the executed sub may
2416	never block itself or use any form of Event handling.
2417
2418	=cut
2419
2420	sub fork_call(&@) {
2421	my ($cb, @args) = @_;
2422
2423	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2424	# or die "socketpair: $!";
2425	pipe my $fh1, my $fh2
2426	or die "pipe: $!";
2427
2428	if (my $pid = fork) {
2429	close $fh2;
2430
2431	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2432	$res = Coro::Storable::thaw $res;
2433
2434	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2435
2436	die $$res unless "ARRAY" eq ref $res;
2437
2438	return wantarray ? @$res : $res->[-1];
2439	} else {
2440	local $SIG{__WARN__};
2441	eval {
2442	local $SIG{__DIE__};
2443	close $fh1;
2444
2445	my @res = eval { $cb->(@args) };
2446	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2447	};
2448
2449	warn $@ if $@;
2450	_exit 0;
2451	}
2452	}
2453
2454
2455		3520
2456	#############################################################################	3521	#############################################################################
2457	# the server's init and main functions	3522	# the server's init and main functions
2458		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525
		3526	# internal api, not fianlised
		3527	sub set_face {
		3528	my ($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	$idx
		3546	}
		3547
2459	sub load_facedata($) {	3548	sub load_facedata($) {
2460	my ($path) = @_;	3549	my ($path) = @_;
2461		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
2462	warn "loading facedata from $path\n";	3557	trace "loading facedata from $path\n";
2463		3558
2464	my $facedata;	3559	my $facedata = decode_storable load_file $path;
2465	0 < aio_load $path, $facedata
2466	or die "$path: $!";
2467
2468	$facedata = Coro::Storable::thaw $facedata;
2469		3560
2470	$facedata->{version} == 2	3561	$facedata->{version} == 2
2471	or cf::cleanup "$path: version mismatch, cannot proceed.";	3562	or cf::cleanup "$path: version mismatch, cannot proceed.";
2472		3563
		3564	cf::cede_to_tick;
		3565
2473	{	3566	{
2474	my $faces = $facedata->{faceinfo};	3567	my $faces = $facedata->{faceinfo};
2475		3568
2476	while (my ($face, $info) = each %$faces) {	3569	for my $face (sort keys %$faces) {
		3570	my $info = $faces->{$face};
2477	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3571	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3572
2478	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3573	cf::face::set_visibility $idx, $info->{visibility};
		3574	cf::face::set_magicmap $idx, $info->{magicmap};
2479	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3575	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2480	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3576	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2481	Coro::cede;	3577	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3578	$FACEHASH{$info->{hash64}} = $idx;#d#
		3579
		3580	cf::cede_to_tick;
2482	}	3581	}
2483		3582
2484	while (my ($face, $info) = each %$faces) {	3583	while (my ($face, $info) = each %$faces) {
2485	next unless $info->{smooth};	3584	next unless $info->{smooth};
		3585
2486	my $idx = cf::face::find $face	3586	my $idx = cf::face::find $face
2487	or next;	3587	or next;
		3588
2488	if (my $smooth = cf::face::find $info->{smooth}) {	3589	if (my $smooth = cf::face::find $info->{smooth}) {
		3590	cf::face::set_smooth $idx, $smooth;
2489	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3591	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2490	} else {	3592	} else {
2491	warn "smooth face '$info->{smooth}' not found for face '$face'";	3593	error "smooth face '$info->{smooth}' not found for face '$face'";
2492	}	3594	}
2493	Coro::cede;	3595
		3596	cf::cede_to_tick;
2494	}	3597	}
2495	}	3598	}
2496		3599
2497	{	3600	{
2498	my $anims = $facedata->{animinfo};	3601	my $anims = $facedata->{animinfo};
2499		3602
2500	while (my ($anim, $info) = each %$anims) {	3603	while (my ($anim, $info) = each %$anims) {
2501	cf::anim::set $anim, $info->{frames}, $info->{facings};	3604	cf::anim::set $anim, $info->{frames}, $info->{facings};
2502	Coro::cede;	3605	cf::cede_to_tick;
2503	}	3606	}
2504		3607
2505	cf::anim::invalidate_all; # d'oh	3608	cf::anim::invalidate_all; # d'oh
2506	}	3609	}
2507		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} = $info; # unused
		3625	}
		3626
		3627	cf::cede_to_tick;
		3628	}
		3629	}
		3630
		3631	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3632
2508	1	3633	1
2509	}	3634	}
2510		3635
		3636	register_exticmd fx_want => sub {
		3637	my ($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 $_, 1 .. cf::settings->max_level]
		3660	);
		3661	}
		3662
		3663	sub reload_materials {
		3664	_reload_materials;
		3665	}
		3666
2511	sub reload_regions {	3667	sub reload_regions {
		3668	# HACK to clear player env face cache, we need some signal framework
		3669	# for this (global event?)
		3670	%ext::player_env::MUSIC_FACE_CACHE = ();
		3671
2512	load_resource_file "$MAPDIR/regions"	3672	load_resource_file "$MAPDIR/regions"
2513	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 $_->{match};
		3678	}
2514	}	3679	}
2515		3680
2516	sub reload_facedata {	3681	sub reload_facedata {
2517	load_facedata "$DATADIR/facedata"	3682	load_facedata "$DATADIR/facedata"
2518	or die "unable to load facedata\n";	3683	or die "unable to load facedata\n";
2519	}	3684	}
2520		3685
2521	sub reload_archetypes {	3686	sub reload_archetypes {
2522	load_resource_file "$DATADIR/archetypes"	3687	load_resource_file "$DATADIR/archetypes"
2523	or die "unable to load archetypes\n";	3688	or die "unable to load archetypes\n";
		3689
		3690	set_face "res/skill_info" => FT_RSRC,
		3691	JSON::XS->new->utf8->canonical->encode (
		3692	[map [cf::arch::skillvec ($_)->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 ($_)], 0 .. NRSPELLPATHS - 1]
		3697	);
2524	}	3698	}
2525		3699
2526	sub reload_treasures {	3700	sub reload_treasures {
2527	load_resource_file "$DATADIR/treasures"	3701	load_resource_file "$DATADIR/treasures"
2528	or die "unable to load treasurelists\n";	3702	or die "unable to load treasurelists\n";
2529	}	3703	}
2530		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
2531	sub reload_resources {	3725	sub reload_resources {
2532	warn "reloading resource files...\n";	3726	trace "reloading resource files...\n";
2533		3727
		3728	reload_materials;
		3729	reload_facedata;
		3730	reload_exp_table;
		3731	reload_sound;
		3732	reload_archetypes;
2534	reload_regions;	3733	reload_regions;
2535	reload_facedata;
2536	reload_archetypes;
2537	reload_treasures;	3734	reload_treasures;
2538		3735
2539	warn "finished reloading resource files\n";	3736	trace "finished reloading resource files\n";
2540	}	3737	}
2541		3738
2542	sub init {	3739	sub reload_config {
2543	reload_resources;	3740	trace "reloading config file...\n";
2544	}
2545		3741
2546	sub cfg_load {	3742	my $config = load_file "$CONFDIR/config";
2547	open my $fh, "<:utf8", "$CONFDIR/config"	3743	utf8::decode $config;
2548	or return;	3744	*CFG = decode_yaml $config;
2549		3745
2550	local $/;
2551	*CFG = YAML::Syck::Load <$fh>;
2552
2553	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2554		3747
2555	$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};
2556	$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};
2557		3750
2558	if (exists $CFG{mlockall}) {	3751	if (exists $CFG{mlockall}) {
…		…
2562	};	3755	};
2563	warn $@ if $@;	3756	warn $@ if $@;
2564	}	3757	}
2565	}	3758	}
2566		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
2567	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
2568	# we must not ever block the main coroutine	3798	# we must not ever block the main coroutine
2569	local $Coro::idle = sub {	3799	$Coro::idle = sub {
2570	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#
2571	(async {	3801	(async {
2572	Event::one_event;	3802	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3803	EV::loop EV::LOOP_ONESHOT;
2573	})->prio (Coro::PRIO_MAX);	3804	})->prio (Coro::PRIO_MAX);
2574	};	3805	};
2575		3806
2576	cfg_load;	3807	evthread_start IO::AIO::poll_fileno;
		3808
		3809	cf::sync_job {
		3810	cf::incloader::init ();
		3811
2577	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
2578	load_extensions;	3831	load_extensions;
2579		3832
2580	$TICK_WATCHER->start;	3833	utime time, time, $RUNTIMEFILE;
2581	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;
2582	}	3850	}
2583		3851
2584	#############################################################################	3852	#############################################################################
2585	# initialisation and cleanup	3853	# initialisation and cleanup
2586		3854
2587	# install some emergency cleanup handlers	3855	# install some emergency cleanup handlers
2588	BEGIN {	3856	BEGIN {
		3857	our %SIGWATCHER = ();
2589	for my $signal (qw(INT HUP TERM)) {	3858	for my $signal (qw(INT HUP TERM)) {
2590	Event->signal (	3859	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2591	reentrant => 0,
2592	data => WF_AUTOCANCEL,
2593	signal => $signal,
2594	prio => 0,
2595	cb => sub {
2596	cf::cleanup "SIG$signal";	3860	cf::cleanup "SIG$signal";
2597	},
2598	);	3861	};
		3862	}
		3863	}
		3864
		3865	sub write_runtime_sync {
		3866	my $t0 = AE::time;
		3867
		3868	# first touch the runtime file to show we are still running:
		3869	# the fsync below can take a very very long time.
		3870
		3871	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3872
		3873	my $guard = cf::lock_acquire "write_runtime";
		3874
		3875	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3876	or return;
		3877
		3878	my $value = $cf::RUNTIME + 90 + 10;
		3879	# 10 is the runtime save interval, for a monotonic clock
		3880	# 60 allows for the watchdog to kill the server.
		3881
		3882	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3883	and return;
		3884
		3885	# always fsync - this file is important
		3886	aio_fsync $fh
		3887	and return;
		3888
		3889	# touch it again to show we are up-to-date
		3890	aio_utime $fh, undef, undef;
		3891
		3892	close $fh
		3893	or return;
		3894
		3895	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3896	and return;
		3897
		3898	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3899
2599	}	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 };
2600	}	3951	}
2601		3952
2602	sub emergency_save() {	3953	sub emergency_save() {
2603	my $freeze_guard = cf::freeze_mainloop;	3954	my $freeze_guard = cf::freeze_mainloop;
2604		3955
2605	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;
2606		3962
2607	cf::sync_job {	3963	cf::sync_job {
		3964	cf::write_runtime_sync; # external watchdog should not bark
		3965
2608	# use a peculiar iteration method to avoid tripping on perl	3966	# use a peculiar iteration method to avoid tripping on perl
2609	# refcount bugs in for. also avoids problems with players	3967	# refcount bugs in for. also avoids problems with players
2610	# and maps saved/destroyed asynchronously.	3968	# and maps saved/destroyed asynchronously.
2611	warn "begin emergency player save\n";	3969	info "emergency_perl_save: begin player save\n";
2612	for my $login (keys %cf::PLAYER) {	3970	for my $login (keys %cf::PLAYER) {
2613	my $pl = $cf::PLAYER{$login} or next;	3971	my $pl = $cf::PLAYER{$login} or next;
2614	$pl->valid or next;	3972	$pl->valid or next;
		3973	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2615	$pl->save;	3974	$pl->save;
2616	}	3975	}
2617	warn "end emergency player save\n";	3976	info "emergency_perl_save: end player save\n";
2618		3977
2619	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";
2620	for my $path (keys %cf::MAP) {	3981	for my $path (keys %cf::MAP) {
2621	my $map = $cf::MAP{$path} or next;	3982	my $map = $cf::MAP{$path} or next;
2622	$map->valid or next;	3983	$map->valid or next;
2623	$map->save;	3984	$map->save;
2624	}	3985	}
2625	warn "end emergency map save\n";	3986	info "emergency_perl_save: end map save\n";
2626		3987
2627	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";
2628	BDB::db_env_txn_checkpoint $DB_ENV;	3991	BDB::db_env_txn_checkpoint $DB_ENV;
2629	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 $DB_ENV;
		4002
		4003	info "emergency_perl_save: starting sync\n";
		4004	IO::AIO::aio_sync sub {
		4005	info "emergency_perl_save: finished sync\n";
		4006	};
		4007
		4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	trace "emergency_perl_save: flushing outstanding aio requests";
		4011	while (IO::AIO::nreqs || BDB::nreqs) {
		4012	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4013	}
		4014
		4015	cf::write_runtime_sync; # external watchdog should not bark
2630	};	4016	};
2631		4017
2632	warn "leave emergency perl save\n";	4018	info "emergency_perl_save: leave\n";
2633	}	4019	}
2634		4020
2635	sub post_cleanup {	4021	sub post_cleanup {
2636	my ($make_core) = @_;	4022	my ($make_core) = @_;
2637		4023
		4024	IO::AIO::flush;
		4025
2638	warn Carp::longmess "post_cleanup backtrace"	4026	error Carp::longmess "post_cleanup backtrace"
2639	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	}
2640	}	4056	}
2641		4057
2642	sub do_reload_perl() {	4058	sub do_reload_perl() {
2643	# can/must only be called in main	4059	# can/must only be called in main
2644	if ($Coro::current != $Coro::main) {	4060	unless (in_main) {
2645	warn "can only reload from main coroutine";	4061	error "can only reload from main coroutine";
2646	return;	4062	return;
2647	}	4063	}
2648		4064
2649	warn "reloading...";	4065	return if $RELOAD++;
2650		4066
2651	warn "entering sync_job";	4067	my $t1 = AE::time;
2652		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
2653	cf::sync_job {	4075	cf::sync_job {
2654	cf::write_runtime; # external watchdog should not bark
2655	cf::emergency_save;	4076	#cf::emergency_save;
2656	cf::write_runtime; # external watchdog should not bark
2657		4077
2658	warn "syncing database to disk";
2659	BDB::db_env_txn_checkpoint $DB_ENV;
2660
2661	# if anything goes wrong in here, we should simply crash as we already saved
2662
2663	warn "cancelling all WF_AUTOCANCEL watchers";
2664	for (Event::all_watchers) {
2665	$_->cancel if $_->data & WF_AUTOCANCEL;
2666	}
2667
2668	warn "flushing outstanding aio requests";
2669	for (;;) {
2670	BDB::flush;
2671	IO::AIO::flush;
2672	Coro::cede;
2673	last unless IO::AIO::nreqs || BDB::nreqs;
2674	warn "iterate...";
2675	}
2676
2677	++$RELOAD;
2678
2679	warn "cancelling all extension coros";	4078	trace "perl_reload: cancelling all extension coros";
2680	$_->cancel for values %EXT_CORO;	4079	$_->cancel for values %EXT_CORO;
2681	%EXT_CORO = ();	4080	%EXT_CORO = ();
2682		4081
2683	warn "removing commands";	4082	trace "perl_reload: removing commands";
2684	%COMMAND = ();	4083	%COMMAND = ();
2685		4084
2686	warn "removing ext commands";	4085	trace "perl_reload: removing ext/exti commands";
2687	%EXTCMD = ();	4086	%EXTCMD = ();
		4087	%EXTICMD = ();
2688		4088
2689	warn "unloading/nuking all extensions";	4089	trace "perl_reload: unloading/nuking all extensions";
2690	for my $pkg (@EXTS) {	4090	for my $pkg (@EXTS) {
2691	warn "... unloading $pkg";	4091	trace "... unloading $pkg";
2692		4092
2693	if (my $cb = $pkg->can ("unload")) {	4093	if (my $cb = $pkg->can ("unload")) {
2694	eval {	4094	eval {
2695	$cb->($pkg);	4095	$cb->($pkg);
2696	1	4096	1
2697	} 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;
2698	}	4102	}
2699		4103
2700	warn "... nuking $pkg";
2701	Symbol::delete_package $pkg;
2702	}
2703
2704	warn "unloading all perl modules loaded from $LIBDIR";	4104	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2705	while (my ($k, $v) = each %INC) {	4105	while (my ($k, $v) = each %INC) {
2706	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4106	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2707		4107
2708	warn "... unloading $k";	4108	trace "... unloading $k";
2709	delete $INC{$k};	4109	delete $INC{$k};
2710		4110
2711	$k =~ s/\.pm$//;	4111	$k =~ s/\.pm$//;
2712	$k =~ s/\//::/g;	4112	$k =~ s/\//::/g;
2713		4113
2714	if (my $cb = $k->can ("unload_module")) {	4114	if (my $cb = $k->can ("unload_module")) {
2715	$cb->();	4115	$cb->();
		4116	}
		4117
		4118	clear_package $k;
2716	}	4119	}
2717		4120
2718	Symbol::delete_package $k;
2719	}
2720
2721	warn "getting rid of safe::, as good as possible";	4121	trace "perl_reload: getting rid of safe::, as good as possible";
2722	Symbol::delete_package "safe::$_"	4122	clear_package "safe::$_"
2723	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);
2724		4124
2725	warn "unloading cf.pm \"a bit\"";	4125	trace "perl_reload: unloading cf.pm \"a bit\"";
2726	delete $INC{"cf.pm"};	4126	delete $INC{"cf.pm"};
2727	delete $INC{"cf/pod.pm"};	4127	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2728		4128
2729	# don't, removes xs symbols, too,	4129	# don't, removes xs symbols, too,
2730	# and global variables created in xs	4130	# and global variables created in xs
2731	#Symbol::delete_package __PACKAGE__;	4131	#clear_package __PACKAGE__;
2732		4132
2733	warn "unload completed, starting to reload now";	4133	info "perl_reload: unload completed, starting to reload now";
2734		4134
2735	warn "reloading cf.pm";	4135	trace "perl_reload: reloading cf.pm";
2736	require cf;	4136	require cf;
2737	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4137	cf::_connect_to_perl_1;
2738		4138
2739	warn "loading config and database again";	4139	trace "perl_reload: loading config and database again";
2740	cf::cfg_load;	4140	cf::reload_config;
2741		4141
2742	warn "loading extensions";	4142	trace "perl_reload: loading extensions";
2743	cf::load_extensions;	4143	cf::load_extensions;
2744		4144
		4145	if ($REATTACH_ON_RELOAD) {
2745	warn "reattaching attachments to objects/players";	4146	trace "perl_reload: reattaching attachments to objects/players";
2746	_global_reattach; # objects, sockets	4147	_global_reattach; # objects, sockets
2747	warn "reattaching attachments to maps";	4148	trace "perl_reload: reattaching attachments to maps";
2748	reattach $_ for values %MAP;	4149	reattach $_ for values %MAP;
2749	warn "reattaching attachments to players";	4150	trace "perl_reload: reattaching attachments to players";
2750	reattach $_ for values %PLAYER;	4151	reattach $_ for values %PLAYER;
		4152	}
2751		4153
2752	warn "leaving sync_job";	4154	cf::_post_init 1;
2753		4155
		4156	trace "perl_reload: leaving sync_job";
		4157
2754	1	4158	1
2755	} or do {	4159	} or do {
2756	warn $@;	4160	error $@;
2757	warn "error while reloading, exiting.";	4161	cf::cleanup "perl_reload: error, exiting.";
2758	exit 1;	4162	};
		4163
		4164	--$RELOAD;
2759	};	4165	}
2760		4166
2761	warn "reloaded";	4167	$t1 = AE::time - $t1;
		4168	info "perl_reload: completed in ${t1}s\n";
2762	};	4169	};
2763		4170
2764	our $RELOAD_WATCHER; # used only during reload	4171	our $RELOAD_WATCHER; # used only during reload
2765		4172
2766	sub reload_perl() {	4173	sub reload_perl() {
2767	# doing reload synchronously and two reloads happen back-to-back,	4174	# doing reload synchronously and two reloads happen back-to-back,
2768	# coro crashes during coro_state_free->destroy here.	4175	# coro crashes during coro_state_free->destroy here.
2769		4176
2770	$RELOAD_WATCHER ||= Event->timer (	4177	$RELOAD_WATCHER ||= cf::async {
2771	reentrant => 0,	4178	Coro::AIO::aio_wait cache_extensions;
2772	after => 0,	4179
2773	data => WF_AUTOCANCEL,	4180	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2774	cb => sub {
2775	do_reload_perl;	4181	do_reload_perl;
2776	undef $RELOAD_WATCHER;	4182	undef $RELOAD_WATCHER;
2777	},	4183	};
2778	);	4184	};
2779	}	4185	}
2780		4186
2781	register_command "reload" => sub {	4187	register_command "reload" => sub {
2782	my ($who, $arg) = @_;	4188	my ($who, $arg) = @_;
2783		4189
2784	if ($who->flag (FLAG_WIZ)) {	4190	if ($who->flag (FLAG_WIZ)) {
2785	$who->message ("reloading server.");	4191	$who->message ("reloading server.");
		4192	async {
		4193	$Coro::current->{desc} = "perl_reload";
2786	async { reload_perl };	4194	reload_perl;
		4195	};
2787	}	4196	}
2788	};	4197	};
2789		4198
2790	unshift @INC, $LIBDIR;	4199	#############################################################################
2791		4200
2792	my $bug_warning = 0;	4201	my $bug_warning = 0;
2793		4202
2794	our @WAIT_FOR_TICK;
2795	our @WAIT_FOR_TICK_BEGIN;
2796
2797	sub wait_for_tick {	4203	sub wait_for_tick() {
2798	return unless $TICK_WATCHER->is_active;	4204	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2799	return if $Coro::current == $Coro::main;
2800		4205
2801	my $signal = new Coro::Signal;	4206	$WAIT_FOR_TICK->wait;
2802	push @WAIT_FOR_TICK, $signal;
2803	$signal->wait;
2804	}	4207	}
2805		4208
2806	sub wait_for_tick_begin {	4209	sub wait_for_tick_begin() {
2807	return unless $TICK_WATCHER->is_active;	4210	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2808	return if $Coro::current == $Coro::main;
2809		4211
2810	my $signal = new Coro::Signal;	4212	my $signal = new Coro::Signal;
2811	push @WAIT_FOR_TICK_BEGIN, $signal;	4213	push @WAIT_FOR_TICK_BEGIN, $signal;
2812	$signal->wait;	4214	$signal->wait;
2813	}	4215	}
2814		4216
2815	$TICK_WATCHER = Event->timer (	4217	sub tick {
2816	reentrant => 0,
2817	parked => 1,
2818	prio => 0,
2819	at => $NEXT_TICK || $TICK,
2820	data => WF_AUTOCANCEL,
2821	cb => sub {
2822	if ($Coro::current != $Coro::main) {	4218	if ($Coro::current != $Coro::main) {
2823	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"
2824	unless ++$bug_warning > 10;	4220	unless ++$bug_warning > 10;
2825	return;	4221	return;
2826	}	4222	}
2827		4223
2828	$NOW = Event::time;	4224	cf::one_tick; # one server iteration
2829		4225
2830	cf::server_tick; # one server iteration	4226	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2831		4227
2832	$RUNTIME += $TICK;
2833	$NEXT_TICK += $TICK;
2834
2835	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4228	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2836	$NEXT_RUNTIME_WRITE = $NOW + 10;	4229	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2837	Coro::async_pool {	4230	Coro::async_pool {
		4231	$Coro::current->{desc} = "runtime saver";
2838	write_runtime	4232	write_runtime_sync
2839	or warn "ERROR: unable to write runtime file: $!";	4233	or error "ERROR: unable to write runtime file: $!";
2840	};
2841	}	4234	};
		4235	}
2842		4236
2843	# my $AFTER = Event::time;
2844	# warn $AFTER - $NOW;#d#
2845
2846	# if we are delayed by four ticks or more, skip them all
2847	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2848
2849	$TICK_WATCHER->at ($NEXT_TICK);
2850	$TICK_WATCHER->start;
2851
2852	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4237	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2853	$sig->send;	4238	$sig->send;
2854	}
2855	while (my $sig = shift @WAIT_FOR_TICK) {
2856	$sig->send;
2857	}
2858
2859	_post_tick;
2860	},	4239	}
2861	);	4240	$WAIT_FOR_TICK->broadcast;
		4241
		4242	$LOAD = ($NOW - $TICK_START) / $TICK;
		4243	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4244
		4245	if (0) {
		4246	if ($NEXT_TICK) {
		4247	my $jitter = $TICK_START - $NEXT_TICK;
		4248	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4249	debug "jitter $JITTER\n";#d#
		4250	}
		4251	}
		4252	}
2862		4253
2863	{	4254	{
2864	BDB::max_poll_time $TICK * 0.1;	4255	# configure BDB
2865	$BDB_POLL_WATCHER = Event->io (	4256	info "initialising database";
2866	reentrant => 0,	4257
2867	fd => BDB::poll_fileno,
2868	poll => 'r',
2869	prio => 0,
2870	data => WF_AUTOCANCEL,
2871	cb => \&BDB::poll_cb,
2872	);
2873	BDB::min_parallel 8;	4258	BDB::min_parallel 16;
2874		4259	BDB::max_poll_reqs $TICK * 0.1;
2875	BDB::set_sync_prepare {	4260	#$AnyEvent::BDB::WATCHER->priority (1);
2876	my $status;
2877	my $current = $Coro::current;
2878	(
2879	sub {
2880	$status = $!;
2881	$current->ready; undef $current;
2882	},
2883	sub {
2884	Coro::schedule while defined $current;
2885	$! = $status;
2886	},
2887	)
2888	};
2889		4261
2890	unless ($DB_ENV) {	4262	unless ($DB_ENV) {
2891	$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);
2892		4269
2893	cf::sync_job {	4270	cf::sync_job {
2894	eval {	4271	eval {
2895	BDB::db_env_open	4272	BDB::db_env_open
2896	$DB_ENV,	4273	$DB_ENV,
…		…
2898	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
2899	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4276	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2900	0666;	4277	0666;
2901		4278
2902	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4279	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2903
2904	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2905	$DB_ENV->set_lk_detect;
2906	};	4280	};
2907		4281
2908	cf::cleanup "db_env_open(db): $@" if $@;	4282	cf::cleanup "db_env_open(db): $@" if $@;
2909	};	4283	};
2910	}	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";
2911	}	4297	}
2912		4298
2913	{	4299	{
		4300	# configure IO::AIO
		4301
		4302	info "initialising aio";
2914	IO::AIO::min_parallel 8;	4303	IO::AIO::min_parallel 8;
2915
2916	undef $Coro::AIO::WATCHER;
2917	IO::AIO::max_poll_time $TICK * 0.1;	4304	IO::AIO::max_poll_time $TICK * 0.1;
2918	$AIO_POLL_WATCHER = Event->io (	4305	undef $AnyEvent::AIO::WATCHER;
2919	reentrant => 0,	4306	info "aio initialised";
2920	data => WF_AUTOCANCEL,
2921	fd => IO::AIO::poll_fileno,
2922	poll => 'r',
2923	prio => 6,
2924	cb => \&IO::AIO::poll_cb,
2925	);
2926	}	4307	}
		4308
		4309	our $_log_backtrace;
		4310	our $_log_backtrace_last;
2927		4311
2928	sub _log_backtrace {	4312	sub _log_backtrace {
2929	my ($msg, @addr) = @_;	4313	my ($msg, @addr) = @_;
2930		4314
		4315	$msg =~ s/\n$//;
		4316
		4317	if ($_log_backtrace_last eq $msg) {
		4318	LOG llevInfo, "[ABT] $msg\n";
		4319	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4320	# limit the # of concurrent backtraces
		4321	} elsif ($_log_backtrace < 2) {
		4322	$_log_backtrace_last = $msg;
		4323	++$_log_backtrace;
		4324	my $perl_bt = Carp::longmess $msg;
2931	async {	4325	async {
		4326	$Coro::current->{desc} = "abt $msg";
		4327
2932	my @bt = fork_call {	4328	my @bt = fork_call {
2933	@addr = map { sprintf "%x", $_ } @addr;	4329	@addr = map { sprintf "%x", $_ } @addr;
		4330	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2934	open my $fh, "exec addr2line -C -f -i -e \Q$^X\E @addr 2>&1 |"	4331	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2935	or die "addr2line: $!";	4332	or die "addr2line: $!";
2936		4333
2937	my @funcs;	4334	my @funcs;
2938	my @res = <$fh>;	4335	my @res = <$fh>;
2939	chomp for @res;	4336	chomp for @res;
2940	while (@res) {	4337	while (@res) {
2941	my ($func, $line) = splice @res, 0, 2, ();	4338	my ($func, $line) = splice @res, 0, 2, ();
2942	push @funcs, "[$func] $line";	4339	push @funcs, "[$func] $line";
		4340	}
		4341
		4342	@funcs
2943	}	4343	};
2944		4344
2945	@funcs	4345	LOG llevInfo, "[ABT] $perl_bt\n";
		4346	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4347	LOG llevInfo, "[ABT] $_\n" for @bt;
		4348	--$_log_backtrace;
2946	};	4349	};
2947		4350	} else {
2948	$msg =~ s/\n//;
2949
2950	LOG llevInfo, "[ABT] $msg\n";	4351	LOG llevInfo, "[ABT] $msg\n";
2951	LOG llevInfo, "[ABT] $_\n" for @bt;	4352	LOG llevInfo, "[ABT] [overload, suppressed]\n";
2952	};	4353	}
2953	}	4354	}
2954		4355
2955	# load additional modules	4356	# load additional modules
2956	use cf::pod;	4357	require "cf/$_.pm" for @EXTRA_MODULES;
		4358	cf::_connect_to_perl_2;
2957		4359
2958	END { cf::emergency_save }	4360	END { cf::emergency_save }
2959		4361
2960	1	4362	1
2961		4363

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