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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.282 by elmex, Tue Jun 19 18:15:34 2007 UTC vs.
Revision 1.623 by root, Wed Aug 30 14:18:51 2017 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 ();
		62	use CBOR::XS ();
30	use IO::AIO 2.32 ();	63	use IO::AIO ();
31	use Time::HiRes;
32	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
33		68
34	# configure various modules to our taste	69	# configure various modules to our taste
35	#	70	#
36	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
38	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		79
40	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
41		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		82
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
48		86
49	our %COMMAND = ();	87	our %COMMAND = ();
50	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
51		89
52	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
		93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
56		97
57	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
59		102
60	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
61	our $DATADIR = datadir;	105	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
65	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
		116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
71		126
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	129	our $NEXT_TICK;
		130	our $USE_FSYNC = 1; # use fsync to write maps - default on
		131
		132	our $BDB_DEADLOCK_WATCHER;
		133	our $BDB_CHECKPOINT_WATCHER;
		134	our $BDB_TRICKLE_WATCHER;
		135	our $DB_ENV;
		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
		139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		141
		142	our $UPTIME; $UPTIME ||= time;
		143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
77	our $NOW;	145	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		146
80	our $BDB_POLL_WATCHER;	147	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	148	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
91		150
92	# used to convert map paths into valid unix filenames by replacing / by ∕	151	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		153
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
98		166
99	binmode STDOUT;	167	binmode STDOUT;
100	binmode STDERR;	168	binmode STDERR;
101		169
102	# read virtual server time, if available	170	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
107	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
108		178
109	mkdir $_	179	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		181
112	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
113		183
114	sub cf::map::normalise;	184	sub cf::map::normalise;
115		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
116	#############################################################################	190	#############################################################################
117		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
118	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
119		204
120	=over 4	205	=over 4
121		206
122	=item $cf::UPTIME	207	=item $cf::UPTIME
123		208
124	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
125		225
126	=item $cf::RUNTIME	226	=item $cf::RUNTIME
127		227
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	229	every server tick.
130		230
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		234
135	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
138	database environment.	238	database environment.
139		239
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	240	=item $cf::LOADAVG
149		241
150	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
155		247
156	The raw value load value from the last tick.	248	The raw value load value from the last tick.
157		249
158	=item %cf::CFG	250	=item %cf::CFG
159		251
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	253	from wherever your confdir points to.
162		254
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		256
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick.
166	returns directly I<after> the tick processing (and consequently, can only wake one process	258	cf::wait_for_tick_begin only returns directly I<after> the tick
		259	processing (and consequently, can only wake one thread per tick), while
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	260	cf::wait_for_tick wakes up all waiters after tick processing.
		261
		262	Note that cf::wait_for_tick will immediately return when the server is not
		263	ticking, making it suitable for small pauses in threads that need to run
		264	when the server is paused. If that is not applicable (i.e. you I<really>
		265	want to wait, use C<$cf::WAIT_FOR_TICK>).
		266
		267	=item $cf::WAIT_FOR_TICK
		268
		269	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		270	variable contains a L<Coro::Signal> that is broadcats after every server
		271	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		272	next server tick.
		273
		274	=cut
		275
		276	sub wait_for_tick();
		277	sub wait_for_tick_begin();
		278
		279	=item @cf::INVOKE_RESULTS
		280
		281	This array contains the results of the last C<invoke ()> call. When
		282	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		283	that call.
		284
		285	=item %cf::REFLECT
		286
		287	Contains, for each (C++) class name, a hash reference with information
		288	about object members (methods, scalars, arrays and flags) and other
		289	metadata, which is useful for introspection.
168		290
169	=back	291	=back
170		292
171	=cut	293	=cut
172		294
173	BEGIN {	295	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	296	sub warn (@) { LOG llevWarn , join "", @_ }
		297	sub info (@) { LOG llevInfo , join "", @_ }
		298	sub debug(@) { LOG llevDebug, join "", @_ }
		299	sub trace(@) { LOG llevTrace, join "", @_ }
		300
		301	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	302	my $msg = join "", @_;
176		303
177	$msg .= "\n"	304	$msg .= "\n"
178	unless $msg =~ /\n$/;	305	unless $msg =~ /\n$/;
179		306
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	307	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		308
182	utf8::encode $msg;
183	LOG llevError, $msg;	309	LOG llevWarn, $msg;
184	};	310	};
185	}	311
		312	$Coro::State::DIEHOOK = sub {
		313	return unless $^S eq 0; # "eq", not "=="
		314
		315	error Carp::longmess $_[0];
		316
		317	if (in_main) {#d#
		318	error "DIEHOOK called in main context, Coro bug?\n";#d#
		319	return;#d#
		320	}#d#
		321
		322	# kill coroutine otherwise
		323	Coro::terminate
		324	};
186		325
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	336	for my $pkg (qw(
198	cf::global cf::attachable	337	cf::global cf::attachable
199	cf::object cf::object::player	338	cf::object cf::object::player
200	cf::client cf::player	339	cf::client cf::player
201	cf::arch cf::living	340	cf::arch cf::living
		341	cf::map cf::mapspace
202	cf::map cf::party cf::region	342	cf::party cf::region
203	)) {	343	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	345	}
207		346
208	$Event::DIED = sub {	347	$EV::DIED = sub {
209	warn "error in event callback: @_";	348	warn "error in event callback: $@";
210	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
211		355
212	#############################################################################	356	#############################################################################
213		357
214	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
215		359
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	381	$d
238	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
239	}	383	}
240		384
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	385	=item $scalar = cf::load_file $path
242		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($path, $data, $sync) = @_;
		408
		409	my $lock = cf::lock_acquire ("replace_file:$path");
		410
		411	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		412	or return;
		413
		414	$data = $data->() if ref $data;
		415
		416	length $data == aio_write $fh, 0, (length $data), $data, 0
		417	or return;
		418
		419	!$sync
		420	or !aio_fsync $fh
		421	or return;
		422
		423	aio_close $fh
		424	and return;
		425
		426	aio_rename "$path~", $path
		427	and return;
		428
		429	if ($sync) {
		430	$path =~ s%/[^/]*$%%;
		431	aio_pathsync $path;
		432	}
		433
		434	1
		435	}
		436
243	=item $ref = cf::from_json $json	437	=item $ref = cf::decode_json $json
244		438
245	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
246		440
247	=item $json = cf::to_json $ref	441	=item $json = cf::encode_json $ref
248		442
249	Converts a perl data structure into its JSON representation.	443	Converts a perl data structure into its JSON representation.
250		444
		445	=cut
		446
		447	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		448
		449	sub encode_json($) { $json_coder->encode ($_[0]) }
		450	sub decode_json($) { $json_coder->decode ($_[0]) }
		451
		452	=item $ref = cf::decode_storable $scalar
		453
		454	Same as Coro::Storable::thaw, so blocks.
		455
		456	=cut
		457
		458	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		459
		460	=item $ref = cf::decode_yaml $scalar
		461
		462	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		463
		464	=cut
		465
		466	sub decode_yaml($) {
		467	fork_call { YAML::XS::Load $_[0] } @_
		468	}
		469
		470	=item $scalar = cf::decode_cbor $scalar
		471
		472	Same as CBOR::XS::decode_cbor, but takes server ticks into account, so
		473	blocks. For small amounts of data, C<CBOR::XS::decode_cbor> is the better
		474	alternative.
		475
		476	=cut
		477
		478	sub decode_cbor($) {
		479	# we assume 10mb/s minimum decoding speed (on a ~2ghz machine)
		480	cf::get_slot +(length $_[0]) / 10_000_000, 0, "decode_cbor";
		481	CBOR::XS::decode_cbor $_[0]
		482	}
		483
		484	=item $scalar = cf::unlzf $scalar
		485
		486	Same as Compress::LZF::compress, but takes server ticks into account, so
		487	blocks.
		488
		489	=cut
		490
		491	sub unlzf($) {
		492	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		493	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		494	Compress::LZF::decompress $_[0]
		495	}
		496
		497	=item cf::post_init { BLOCK }
		498
		499	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		500	but I<before> the server starts ticking again.
		501
		502	The codeblock will have a single boolean argument to indicate whether this
		503	is a reload or not.
		504
		505	=cut
		506
		507	sub post_init(&) {
		508	push @POST_INIT, shift;
		509	}
		510
		511	sub _post_init {
		512	trace "running post_init jobs";
		513
		514	# run them in parallel...
		515
		516	my @join;
		517
		518	while () {
		519	push @join, map &Coro::async ($_, 0), @POST_INIT;
		520	@POST_INIT = ();
		521
		522	@join or last;
		523
		524	(pop @join)->join;
		525	}
		526	}
		527
251	=item cf::lock_wait $string	528	=item cf::lock_wait $string
252		529
253	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
254		531
255	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
256		533
257	Wait until the given lock is available and then acquires it and returns	534	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	535	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
260	returned.	537	returned.
261		538
		539	Locks are *not* recursive, locking from the same coro twice results in a
		540	deadlocked coro.
		541
262	Lock names should begin with a unique identifier (for example, cf::map::find	542	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	543	uses map_find and cf::map::load uses map_load).
264		544
265	=item $locked = cf::lock_active $string	545	=item $locked = cf::lock_active $string
266		546
267	Return true if the lock is currently active, i.e. somebody has locked it.	547	Return true if the lock is currently active, i.e. somebody has locked it.
268		548
269	=cut	549	=cut
270		550
271	our %LOCK;	551	our $LOCKS = new Coro::SemaphoreSet;
272		552
273	sub lock_wait($) {	553	sub lock_wait($) {
274	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	555	}
282		556
283	sub lock_acquire($) {	557	sub lock_acquire($) {
284	my ($key) = @_;	558	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	559	}
296		560
297	sub lock_active($) {	561	sub lock_active($) {
298	my ($key) = @_;	562	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	563	}
302		564
303	sub freeze_mainloop {	565	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	566	tick_inhibit_inc;
305		567
306	my $guard = Coro::guard {	568	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	569	}
		570
		571	=item cf::periodic $interval, $cb
		572
		573	Like EV::periodic, but randomly selects a starting point so that the actions
		574	get spread over time.
		575
		576	=cut
		577
		578	sub periodic($$) {
		579	my ($interval, $cb) = @_;
		580
		581	my $start = rand List::Util::min 180, $interval;
		582
		583	EV::periodic $start, $interval, 0, $cb
		584	}
		585
		586	=item cf::get_slot $time[, $priority[, $name]]
		587
		588	Allocate $time seconds of blocking CPU time at priority C<$priority>
		589	(default: 0): This call blocks and returns only when you have at least
		590	C<$time> seconds of cpu time till the next tick. The slot is only valid
		591	till the next cede.
		592
		593	Background jobs should use a priority less than zero, interactive jobs
		594	should use 100 or more.
		595
		596	The optional C<$name> can be used to identify the job to run. It might be
		597	used for statistical purposes and should identify the same time-class.
		598
		599	Useful for short background jobs.
		600
		601	=cut
		602
		603	our @SLOT_QUEUE;
		604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
		606
		607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		608	$SLOT_QUEUE = Coro::async {
		609	$Coro::current->desc ("timeslot manager");
		610
		611	my $signal = new Coro::Signal;
		612	my $busy;
		613
		614	while () {
		615	next_job:
		616
		617	Coro::cede;
		618
		619	my $avail = cf::till_tick;
		620
		621	for (0 .. $#SLOT_QUEUE) {
		622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
		624	my $job = splice @SLOT_QUEUE, $_, 1, ();
		625	$job->[2]->send;
		626	goto next_job;
		627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		629	}
		630	}
		631
		632	if (@SLOT_QUEUE) {
		633	wait_for_tick;
		634	} else {
		635	$busy = 0;
		636	Coro::schedule;
		637	}
308	};	638	}
309	$TICK_WATCHER->stop;	639	};
310	$guard	640
		641	sub get_slot($;$$) {
		642	return if tick_inhibit || $Coro::current == $Coro::main;
		643
		644	my ($time, $pri, $name) = @_;
		645
		646	$time = clamp $time, 0.01, $TICK * .6;
		647
		648	my $sig = new Coro::Signal;
		649
		650	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		651	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		652	$SLOT_QUEUE->ready;
		653	$sig->wait;
311	}	654	}
312		655
313	=item cf::async { BLOCK }	656	=item cf::async { BLOCK }
314		657
315	Currently the same as Coro::async_pool, meaning you cannot use	658	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		663
321	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
322		665
323	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
324		667
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	668	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	669	is always able to handle events or is runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	670	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	671	acceptable.
329		672
330	If it must be done, put the blocking parts into C<sync_job>. This will run	673	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	674	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	678	=cut
336		679
337	sub sync_job(&) {	680	sub sync_job(&) {
338	my ($job) = @_;	681	my ($job) = @_;
339		682
340	if ($Coro::current == $Coro::main) {	683	if (in_main) {
341	my $time = Event::time;	684	my $time = AE::time;
342		685
343	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
345		688
346	# TODO: use suspend/resume instead	689	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	690
348	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
349		692
350	my $busy = 1;	693	my $busy = 1;
351	my @res;	694	my @res;
352		695
353	(async {	696	(async {
		697	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	698	@res = eval { $job->() };
355	warn $@ if $@;	699	error $@ if $@;
356	undef $busy;	700	undef $busy;
357	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
358		702
359	while ($busy) {	703	while ($busy) {
360	Coro::cede or Event::one_event;	704	if (Coro::nready) {
		705	Coro::cede_notself;
		706	} else {
		707	EV::run EV::RUN_ONCE;
361	}	708	}
		709	}
362		710
363	$time = Event::time - $time;	711	my $time = AE::time - $time;
364		712
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	713	$TICK_START += $time; # do not account sync jobs to server load
369		714
370	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
371	} else {	716	} else {
372	# we are in another coroutine, how wonderful, everything just works	717	# we are in another coroutine, how wonderful, everything just works
373		718
…		…
393	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
394		739
395	$coro	740	$coro
396	}	741	}
397		742
398	=item fork_call { }, $args	743	=item fork_call { }, @args
399		744
400	Executes the given code block with the given arguments in a seperate	745	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	746	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	747	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	748	never block itself or use any form of event handling.
404		749
405	=cut	750	=cut
		751
		752	sub post_fork {
		753	reset_signals;
		754	}
406		755
407	sub fork_call(&@) {	756	sub fork_call(&@) {
408	my ($cb, @args) = @_;	757	my ($cb, @args) = @_;
409		758
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	759	my @res = Coro::Util::fork_eval {
411	# or die "socketpair: $!";	760	cf::post_fork;
412	pipe my $fh1, my $fh2	761	&$cb
413	or die "pipe: $!";	762	} @args;
414		763
415	if (my $pid = fork) {	764	wantarray ? @res : $res[-1]
416	close $fh2;	765	}
417		766
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	767	sub objinfo {
419	$res = Coro::Storable::thaw $res;
420
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	768	(
		769	"counter value" => cf::object::object_count,
		770	"objects created" => cf::object::create_count,
		771	"objects destroyed" => cf::object::destroy_count,
		772	"freelist size" => cf::object::free_count,
		773	"allocated objects" => cf::object::objects_size,
		774	"active objects" => cf::object::actives_size,
		775	)
		776	}
		777
		778	=item $coin = coin_from_name $name
		779
		780	=cut
		781
		782	our %coin_alias = (
		783	"silver" => "silvercoin",
		784	"silvercoin" => "silvercoin",
		785	"silvercoins" => "silvercoin",
		786	"gold" => "goldcoin",
		787	"goldcoin" => "goldcoin",
		788	"goldcoins" => "goldcoin",
		789	"platinum" => "platinacoin",
		790	"platinumcoin" => "platinacoin",
		791	"platinumcoins" => "platinacoin",
		792	"platina" => "platinacoin",
		793	"platinacoin" => "platinacoin",
		794	"platinacoins" => "platinacoin",
		795	"royalty" => "royalty",
		796	"royalties" => "royalty",
		797	);
		798
		799	sub coin_from_name($) {
		800	$coin_alias{$_[0]}
		801	? cf::arch::find $coin_alias{$_[0]}
		802	: undef
440	}	803	}
441		804
442	=item $value = cf::db_get $family => $key	805	=item $value = cf::db_get $family => $key
443		806
444	Returns a single value from the environment database.	807	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	809	=item cf::db_put $family => $key => $value
447		810
448	Stores the given C<$value> in the family. It can currently store binary	811	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	812	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		813
		814	=item $db = cf::db_table "name"
		815
		816	Create and/or open a new database table. The string must not be "db" and must be unique
		817	within each server.
		818
451	=cut	819	=cut
		820
		821	sub db_table($) {
		822	cf::error "db_get called from main context"
		823	if $Coro::current == $Coro::main;
		824
		825	my ($name) = @_;
		826	my $db = BDB::db_create $DB_ENV;
		827
		828	eval {
		829	$db->set_flags (BDB::CHKSUM);
		830
		831	utf8::encode $name;
		832	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		833	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		834	cf::cleanup "db_open(db): $!" if $!;
		835	};
		836	cf::cleanup "db_open(db): $@" if $@;
		837
		838	$db
		839	}
452		840
453	our $DB;	841	our $DB;
454		842
455	sub db_init {	843	sub db_init {
456	unless ($DB) {	844	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	845	}
471		846
472	sub db_get($$) {	847	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	848	my $key = "$_[0]/$_[1]";
474		849
475	cf::sync_job {	850	cf::error "db_get called from main context"
		851	if $Coro::current == $Coro::main;
		852
476	BDB::db_get $DB, undef, $key, my $data;	853	BDB::db_get $DB, undef, $key, my $data;
477		854
478	$! ? ()	855	$! ? ()
479	: $data	856	: $data
480	}
481	}	857	}
482		858
483	sub db_put($$$) {	859	sub db_put($$$) {
484	BDB::dbreq_pri 4;	860	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
513		889
514	my @data;	890	my @data;
515	my $md5;	891	my $md5;
516		892
517	for (0 .. $#$src) {	893	for (0 .. $#$src) {
518	0 <= aio_load $src->[$_], $data[$_]	894	$data[$_] = load_file $src->[$_];
519	or Carp::croak "$src->[$_]: $!";
520	}	895	}
521		896
522	# if processing is expensive, check	897	# if processing is expensive, check
523	# checksum first	898	# checksum first
524	if (1) {	899	if (1) {
525	$md5 =	900	$md5 =
526	join "\x00",	901	join "\x00",
527	$processversion,	902	$processversion,
528	map {	903	map {
529	Coro::cede;	904	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	905	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	906	} 0.. $#$src;
532		907
533		908
534	my $dbmd5 = db_get cache => "$id/md5";	909	my $dbmd5 = db_get cache => "$id/md5";
…		…
537		912
538	return db_get cache => "$id/data";	913	return db_get cache => "$id/data";
539	}	914	}
540	}	915	}
541		916
542	my $t1 = Time::HiRes::time;	917	my $t1 = EV::time;
543	my $data = $process->(\@data);	918	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	919	my $t2 = EV::time;
545		920
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	921	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		922
548	db_put cache => "$id/data", $data;	923	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	924	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	925	db_put cache => "$id/meta", $meta;
551		926
…		…
561		936
562	=cut	937	=cut
563		938
564	sub datalog($@) {	939	sub datalog($@) {
565	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	942	}
568		943
569	=back	944	=back
570		945
571	=cut	946	=cut
572		947
573	#############################################################################	948	#############################################################################
574		949
575	=head2 ATTACHABLE OBJECTS	950	=head2 ATTACHABLE OBJECTS
576		951
577	Many objects in crossfire are so-called attachable objects. That means you can	952	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	953	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	954	to it. All such attachable objects support the following methods.
580		955
581	In the following description, CLASS can be any of C<global>, C<object>	956	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	957	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	958	Deliantra).
584		959
585	=over 4	960	=over 4
586		961
587	=item $attachable->attach ($attachment, key => $value...)	962	=item $attachable->attach ($attachment, key => $value...)
588		963
…		…
632	=item cf::CLASS::attachment $name, ...	1007	=item cf::CLASS::attachment $name, ...
633		1008
634	Register an attachment by C<$name> through which attachable objects of the	1009	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	1010	given CLASS can refer to this attachment.
636		1011
637	Some classes such as crossfire maps and objects can specify attachments	1012	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	1013	that are attached at load/instantiate time, thus the need for a name.
639		1014
640	These calls expect any number of the following handler/hook descriptions:	1015	These calls expect any number of the following handler/hook descriptions:
641		1016
642	=over 4	1017	=over 4
…		…
766		1141
767	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1144
770	} elsif (ref $type) {	1145	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
772		1147
773	} else {	1148	} else {
774	shift @arg;	1149	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
776	}	1151	}
777	}	1152	}
778	}	1153	}
779		1154
780	sub _object_attach {	1155	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
791	}	1166	}
792		1167
793	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
794	} else {	1169	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1171	}
797		1172
798	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
799	}	1174	}
800		1175
…		…
840	";	1215	";
841	die if $@;	1216	die if $@;
842	}	1217	}
843		1218
844	our $override;	1219	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1220	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1221
847	sub override {	1222	sub override {
848	$override = 1;	1223	$override = 1;
849	@invoke_results = ();	1224	@INVOKE_RESULTS = (@_);
850	}	1225	}
851		1226
852	sub do_invoke {	1227	sub do_invoke {
853	my $event = shift;	1228	my $event = shift;
854	my $callbacks = shift;	1229	my $callbacks = shift;
855		1230
856	@invoke_results = ();	1231	@INVOKE_RESULTS = ();
857		1232
858	local $override;	1233	local $override;
859		1234
860	for (@$callbacks) {	1235	for (@$callbacks) {
861	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
862		1237
863	if ($@) {	1238	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1240	override;
867	}	1241	}
868		1242
869	return 1 if $override;	1243	return 1 if $override;
870	}	1244	}
871		1245
872	0	1246	0
873	}	1247	}
874		1248
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1249	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1250
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1251	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1252
879	Generate an object-specific event with the given arguments.	1253	Generate an object-specific event with the given arguments.
880		1254
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1255	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1256	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1257	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1258
885	=back	1259	=back
886		1260
887	=cut	1261	=cut
888		1262
889	#############################################################################	1263	#############################################################################
890	# object support	1264	# object support
		1265
		1266	sub _object_equal($$);
		1267	sub _object_equal($$) {
		1268	my ($a, $b) = @_;
		1269
		1270	return 0 unless (ref $a) eq (ref $b);
		1271
		1272	if ("HASH" eq ref $a) {
		1273	my @ka = keys %$a;
		1274	my @kb = keys %$b;
		1275
		1276	return 0 if @ka != @kb;
		1277
		1278	for (0 .. $#ka) {
		1279	return 0 unless $ka[$_] eq $kb[$_];
		1280	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1281	}
		1282
		1283	} elsif ("ARRAY" eq ref $a) {
		1284
		1285	return 0 if @$a != @$b;
		1286
		1287	for (0 .. $#$a) {
		1288	return 0 unless _object_equal $a->[$_], $b->[$_];
		1289	}
		1290
		1291	} elsif ($a ne $b) {
		1292	return 0;
		1293	}
		1294
		1295	1
		1296	}
		1297
		1298	our $SLOW_MERGES;#d#
		1299	sub _can_merge {
		1300	my ($ob1, $ob2) = @_;
		1301
		1302	++$SLOW_MERGES;#d#
		1303
		1304	# we do the slow way here
		1305	return _object_equal $ob1, $ob2
		1306	}
891		1307
892	sub reattach {	1308	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1309	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1310	my ($obj) = @_;
895		1311
		1312	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1313	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1314
898	my $registry = $obj->registry;	1315	my $registry = $obj->registry;
899		1316
900	@$registry = ();	1317	@$registry = ();
901		1318
…		…
906	for (@$attach) {	1323	for (@$attach) {
907	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
909	}	1326	}
910	} else {	1327	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1329	}
913	}	1330	}
914	}	1331	}
915		1332
916	cf::attachable->attach (	1333	cf::attachable->attach (
917	prio => -1000000,	1334	prio => -1000000,
918	on_instantiate => sub {	1335	on_instantiate => sub {
919	my ($obj, $data) = @_;	1336	my ($obj, $data) = @_;
920		1337
921	$data = from_json $data;	1338	$data = decode_json $data;
922		1339
923	for (@$data) {	1340	for (@$data) {
924	my ($name, $args) = @$_;	1341	my ($name, $args) = @$_;
925		1342
926	$obj->attach ($name, %{$args || {} });	1343	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1359	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
944		1361
945	sync_job {	1362	sync_job {
946	if (length $$rdata) {	1363	if (length $$rdata) {
		1364	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
949		1368
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1370	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	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	}
954	close $fh;	1376	aio_close $fh;
955		1377
956	if (@$objs) {	1378	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1379	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1380	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1383	if ($cf::USE_FSYNC) {
		1384	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;
		1385	aio_fsync $fh;
		1386	}
962	close $fh;	1387	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
964	}	1389	}
965	} else {	1390	} else {
966	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
967	}	1392	}
968		1393
969	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
		1395
		1396	$filename =~ s%/[^/]+$%%;
		1397	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1398	} else {
971	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
972	}	1400	}
973	} else {	1401	} else {
974	aio_unlink $filename;	1402	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
976	}	1404	}
977	}	1405	};
978	}	1406	}
979		1407
980	sub object_freezer_as_string {	1408	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1409	my ($rdata, $objs) = @_;
982		1410
…		…
994	or return;	1422	or return;
995		1423
996	unless (aio_stat "$filename.pst") {	1424	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1425	(aio_load "$filename.pst", $av) >= 0
998	or return;	1426	or return;
		1427
999	$av = eval { (Storable::thaw $av)->{objs} };	1428	my $st = eval { Coro::Storable::thaw $av };
		1429	$av = $st->{objs};
1000	}	1430	}
1001		1431
		1432	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
		1436
1004	return ($data, $av);	1437	($data, $av)
1005	}	1438	}
1006		1439
1007	=head2 COMMAND CALLBACKS	1440	=head2 COMMAND CALLBACKS
1008		1441
1009	=over 4	1442	=over 4
…		…
1011	=cut	1444	=cut
1012		1445
1013	#############################################################################	1446	#############################################################################
1014	# command handling &c	1447	# command handling &c
1015		1448
1016	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
1017		1450
1018	Register a callback for execution when the client sends the user command	1451	Register a callback for execution when the client sends the user command
1019	$name.	1452	$name.
1020		1453
1021	=cut	1454	=cut
…		…
1027	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
1028		1461
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1463	}
1031		1464
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
1033		1466
1034	Register a callback fro execution when the client sends an extcmd packet.	1467	Register a callback for execution when the client sends an (synchronous)
		1468	extcmd packet. Ext commands will be processed in the order they are
		1469	received by the server, like other user commands. The first argument is
		1470	the logged-in player. Ext commands can only be processed after a player
		1471	has logged in successfully.
1035		1472
1036	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1037	called.
1038		1474
1039	=cut	1475	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
1040		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
		1480	=item cf::register_exticmd $name => \&callback($ns,@args)
		1481
		1482	Register a callback for execution when the client sends an (asynchronous)
		1483	exticmd packet. Exti commands are processed by the server as soon as they
		1484	are received, i.e. out of order w.r.t. other commands. The first argument
		1485	is a client socket. Exti commands can be received anytime, even before
		1486	log-in.
		1487
		1488	The values will be sent back to the client.
		1489
		1490	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1491
		1492	Same as C<cf::register_extcmd>, but instead of returning values, the
		1493	callback needs to clal the C<$reply> function.
		1494
		1495	=cut
		1496
1041	sub register_extcmd {	1497	sub register_extcmd($$) {
1042	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
1043		1499
1044	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
1045	}	1501	}
1046		1502
		1503	sub register_async_extcmd($$) {
		1504	my ($name, $cb) = @_;
		1505
		1506	$EXTACMD{$name} = $cb;
		1507	}
		1508
		1509	sub register_exticmd($$) {
		1510	my ($name, $cb) = @_;
		1511
		1512	$EXTICMD{$name} = $cb;
		1513	}
		1514
		1515	sub register_async_exticmd($$) {
		1516	my ($name, $cb) = @_;
		1517
		1518	$EXTIACMD{$name} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
1047	cf::player->attach (	1523	cf::player->attach (
1048	on_command => sub {	1524	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
1050		1526
1051	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
1052	or return;	1528	or return;
1053		1529
…		…
1058	cf::override;	1534	cf::override;
1059	},	1535	},
1060	on_extcmd => sub {	1536	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
1062		1538
1063	my $msg = eval { from_json $buf };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1540
1065	if (ref $msg) {	1541	if (ref $msg) {
		1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1543
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1544	if (my $cb = $EXTACMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1545	$cb->(
1068	$pl->ext_reply ($msg->{msgid}, %reply);	1546	$pl,
		1547	sub {
		1548	$pl->ext_msg ("reply-$reply", @_)
		1549	if $reply;
		1550	},
		1551	@payload
		1552	);
		1553	} else {
		1554	my @reply;
		1555
		1556	if (my $cb = $EXTCMD{$type}) {
		1557	@reply = $cb->($pl, @payload);
1069	}	1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
1070	}	1562	}
		1563
1071	} else {	1564	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1566	}
1074		1567
1075	cf::override;	1568	cf::override;
1076	},	1569	},
1077	);	1570	);
1078		1571
		1572	# "readahead" all extensions
		1573	sub cache_extensions {
		1574	my $grp = IO::AIO::aio_group;
		1575
		1576	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1577	for (grep /\.ext$/, @{$_[0]}) {
		1578	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1579	}
		1580	};
		1581
		1582	$grp
		1583	}
		1584
		1585	sub _ext_cfg_reg($$$$) {
		1586	my ($rvar, $varname, $cfgname, $default) = @_;
		1587
		1588	$cfgname = lc $varname
		1589	unless length $cfgname;
		1590
		1591	$EXT_CFG{$cfgname} = [$rvar, $default];
		1592
		1593	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1594	}
		1595
1079	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
1080	cf::sync_job {	1601	cf::sync_job {
1081	my %todo;	1602	my %todo;
1082		1603
1083	for my $path (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1605	next unless -r $path;
…		…
1102		1623
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1624	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1625	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1626
1106	$ext{source} =	1627	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1628	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1629	. "#line 1 \"$path\"\n{\n"
1109	. $source	1630	. $source
1110	. "\n};\n1";	1631	. "\n};\n1";
1111		1632
1112	$todo{$base} = \%ext;	1633	$todo{$base} = \%ext;
1113	}	1634	}
1114		1635
		1636	my $pass = 0;
1115	my %done;	1637	my %done;
1116	while (%todo) {	1638	while (%todo) {
1117	my $progress;	1639	my $progress;
1118		1640
		1641	++$pass;
		1642
		1643	ext:
1119	while (my ($k, $v) = each %todo) {	1644	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1645	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1646	next ext
1122	unless exists $done{$_};	1647	unless exists $done{$_};
1123	}	1648	}
1124		1649
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1650	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1651
1127	unless (eval $v->{source}) {	1652	my $source = $v->{source};
		1653
		1654	# support "CONF varname :confname = default" pseudo-statements
		1655	$source =~ s{
		1656	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1657	}{
		1658	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1659	}gmxe;
		1660
		1661	my $active = eval $source;
		1662
		1663	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1664	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1665
		1666	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1667	if exists $v->{meta}{mandatory};
1132	warn $msg;	1668
1133	warn "mandatory extension failed to load, exiting.\n";	1669	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1670	delete $todo{$k};
1135	}	1671	} else {
1136		1672	$done{$k} = delete $todo{$k};
1137	warn $msg;	1673	push @EXTS, $v->{pkg};
		1674	$progress = 1;
		1675
		1676	info "$v->{base}: extension inactive.\n"
		1677	unless $active;
1138	}	1678	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1679	}
1144		1680
1145	skip:	1681	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1682	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1683
		1684	while (my ($k, $v) = each %todo) {
		1685	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1686	if exists $v->{meta}{mandatory};
		1687	}
		1688
		1689	last;
		1690	}
1148	}	1691	}
1149	};	1692	};
1150	}	1693	}
1151		1694
1152	#############################################################################	1695	#############################################################################
1153		1696
1154	=back	1697	=back
1155		1698
1156	=head2 CORE EXTENSIONS	1699	=head2 CORE EXTENSIONS
1157		1700
1158	Functions and methods that extend core crossfire objects.	1701	Functions and methods that extend core deliantra objects.
1159		1702
1160	=cut	1703	=cut
1161		1704
1162	package cf::player;	1705	package cf::player;
1163		1706
1164	use Coro::AIO;	1707	use Coro::AIO;
1165		1708
1166	=head3 cf::player	1709	=head3 cf::player
1167		1710
1168	=over 4	1711	=over 4
		1712
		1713	=item cf::player::num_playing
		1714
		1715	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1716
		1717	=cut
		1718
		1719	sub num_playing {
		1720	scalar grep
		1721	$_->ob->map
		1722	&& !$_->hidden
		1723	&& !$_->ob->flag (cf::FLAG_WIZ),
		1724	cf::player::list
		1725	}
1169		1726
1170	=item cf::player::find $login	1727	=item cf::player::find $login
1171		1728
1172	Returns the given player object, loading it if necessary (might block).	1729	Returns the given player object, loading it if necessary (might block).
1173		1730
…		…
1192		1749
1193	sub exists($) {	1750	sub exists($) {
1194	my ($login) = @_;	1751	my ($login) = @_;
1195		1752
1196	$cf::PLAYER{$login}	1753	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1754	or !aio_stat path $login
1198	}	1755	}
1199		1756
1200	sub find($) {	1757	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1758	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1759	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1766	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1767	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1768	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1769	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1770
1214	my $pl = load_pl path $login	1771	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1772	or return;
		1773
		1774	my $pl = cf::player::load_pl $f
		1775	or return;
		1776
		1777	local $cf::PLAYER_LOADING{$login} = $pl;
		1778	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1217	}	1780	}
1218	}	1781	}
1219	}	1782	}
		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($pl, $path) = @_;
		1787
		1788	# restore slots saved in save, below
		1789	my $slots = delete $pl->{_slots};
		1790
		1791	$pl->ob->current_weapon ($slots->[0]);
		1792	$pl->combat_ob ($slots->[1]);
		1793	$pl->ranged_ob ($slots->[2]);
		1794	},
		1795	);
1220		1796
1221	sub save($) {	1797	sub save($) {
1222	my ($pl) = @_;	1798	my ($pl) = @_;
1223		1799
1224	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1805	return if $pl->{deny_save};
1230		1806
1231	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
1233		1809
		1810	cf::get_slot 0.01;
		1811
		1812	# save slots, to be restored later
		1813	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1814
1234	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1235	Coro::cede;	1816	cf::cede_to_tick;
1236	}	1817	}
1237		1818
1238	sub new($) {	1819	sub new($) {
1239	my ($login) = @_;	1820	my ($login) = @_;
1240		1821
…		…
1246	$cf::PLAYER{$login} = $self;	1827	$cf::PLAYER{$login} = $self;
1247		1828
1248	$self	1829	$self
1249	}	1830	}
1250		1831
		1832	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1833
		1834	=cut
		1835
		1836	sub send_msg {
		1837	my $ns = shift->ns
		1838	or return;
		1839	$ns->send_msg (@_);
		1840	}
		1841
1251	=item $pl->quit_character	1842	=item $pl->quit_character
1252		1843
1253	Nukes the player without looking back. If logged in, the connection will	1844	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1845	be destroyed. May block for a long time.
1255		1846
…		…
1259	my ($pl) = @_;	1850	my ($pl) = @_;
1260		1851
1261	my $name = $pl->ob->name;	1852	my $name = $pl->ob->name;
1262		1853
1263	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1855	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1856
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1858	$pl->deactivate;
		1859
		1860	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1269	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1270		1865
1271	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
…		…
1308	or return [];	1903	or return [];
1309		1904
1310	my @logins;	1905	my @logins;
1311		1906
1312	for my $login (@$dirs) {	1907	for my $login (@$dirs) {
		1908	my $path = path $login;
		1909
		1910	# a .pst is a dead give-away for a valid player
		1911	# if no pst file found, open and chekc for blocked users
		1912	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1913	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1914	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1915	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1916	}
1316		1917
1317	utf8::decode $login;	1918	utf8::decode $login;
1318	push @logins, $login;	1919	push @logins, $login;
1319	}	1920	}
1320		1921
1321	\@logins	1922	\@logins
1322	}	1923	}
1323		1924
1324	=item $player->maps	1925	=item $player->maps
		1926
		1927	=item cf::player::maps $login
1325		1928
1326	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1327	player. May block.	1930	player. May block.
1328		1931
1329	=cut	1932	=cut
…		…
1347	}	1950	}
1348		1951
1349	\@paths	1952	\@paths
1350	}	1953	}
1351		1954
1352	=item $player->ext_reply ($msgid, %msg)	1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1956
1354	Sends an ext reply to the player.	1957	Expand deliantra pod fragments into protocol xml.
1355		1958
1356	=cut
1357
1358	sub ext_reply($$%) {
1359	my ($self, $id, %msg) = @_;
1360
1361	$msg{msgid} = $id;
1362
1363	$self->send ("ext " . cf::to_json \%msg);
1364	}
1365
1366	=item $player->ext_event ($type, %msg)	1959	=item $player->ext_msg ($type, @msg)
1367		1960
1368	Sends an ext event to the client.	1961	Sends an ext event to the client.
1369		1962
1370	=cut	1963	=cut
1371		1964
1372	sub ext_event($$%) {	1965	sub ext_msg($$@) {
1373	my ($self, $type, %msg) = @_;	1966	my ($self, $type, @msg) = @_;
1374		1967
1375	$self->ns->ext_event ($type, %msg);	1968	$self->ns->ext_msg ($type, @msg);
1376	}	1969	}
1377		1970
1378	=head3 cf::region	1971	=head3 cf::region
1379		1972
1380	=over 4	1973	=over 4
…		…
1390	=cut	1983	=cut
1391		1984
1392	sub find_by_path($) {	1985	sub find_by_path($) {
1393	my ($path) = @_;	1986	my ($path) = @_;
1394		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
		1989
1395	my ($match, $specificity);	1990	my ($match, $specificity);
1396		1991
1397	for my $region (list) {	1992	for my $region (list) {
1398	if ($region->match && $path =~ $region->match) {	1993	if ($region->{match} && $path =~ $region->{match}) {
1399	($match, $specificity) = ($region, $region->specificity)	1994	($match, $specificity) = ($region, $region->specificity)
1400	if $region->specificity > $specificity;	1995	if $region->specificity > $specificity;
1401	}	1996	}
1402	}	1997	}
1403		1998
…		…
1424	our $MAX_RESET = 3600;	2019	our $MAX_RESET = 3600;
1425	our $DEFAULT_RESET = 3000;	2020	our $DEFAULT_RESET = 3000;
1426		2021
1427	sub generate_random_map {	2022	sub generate_random_map {
1428	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1429	# mit "rum" bekleckern, nicht	2024
		2025	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2026
1430	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1431	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1432	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1433	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1434	$rmp->{exit_on_final_map},
1435	$rmp->{xsize}, $rmp->{ysize},
1436	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1437	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1438	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1439	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1440	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1441	(cf::region::find $rmp->{region}), $rmp->{custom}
1442	)
1443	}	2028	}
1444		2029
1445	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1446		2031
1447	Register a handler for the map path matching the given regex at the	2032	Register a handler for the map path matching the given regex at the
…		…
1452		2037
1453	sub register {	2038	sub register {
1454	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1455	my $pkg = caller;	2040	my $pkg = caller;
1456		2041
1457	no strict;
1458	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1459		2043
1460	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1461	}	2045	}
1462		2046
1463	# also paths starting with '/'	2047	# also paths starting with '/'
1464	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1465		2049
1466	sub thawer_merge {	2050	sub thawer_merge {
1467	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1468		2052
1469	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
…		…
1474	}	2058	}
1475		2059
1476	sub normalise {	2060	sub normalise {
1477	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1478		2062
1479	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1480		2064
1481	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1482		2066
1483	# map plan:	2067	# map plan:
1484	#	2068	#
…		…
1499	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1500	$path = "$base/$path";	2084	$path = "$base/$path";
1501	}	2085	}
1502		2086
1503	for ($path) {	2087	for ($path) {
1504	redo if s{//}{/};
1505	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1506	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1507	}	2090	}
1508		2091
1509	$path	2092	$path
…		…
1523	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1524	return $self;	2107	return $self;
1525	}	2108	}
1526	}	2109	}
1527		2110
1528	Carp::carp "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1529	()	2112	()
1530	}	2113	}
1531		2114
		2115	# may re-bless or do other evil things
1532	sub init {	2116	sub init {
1533	my ($self) = @_;	2117	my ($self) = @_;
1534		2118
1535	$self	2119	$self
1536	}	2120	}
…		…
1555		2139
1556	# the temporary/swap location	2140	# the temporary/swap location
1557	sub save_path {	2141	sub save_path {
1558	my ($self) = @_;	2142	my ($self) = @_;
1559		2143
1560	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2144	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1561	"$TMPDIR/$path.map"	2145	"$TMPDIR/$path.map"
1562	}	2146	}
1563		2147
1564	# the unique path, undef == no special unique path	2148	# the unique path, undef == no special unique path
1565	sub uniq_path {	2149	sub uniq_path {
1566	my ($self) = @_;	2150	my ($self) = @_;
1567		2151
1568	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1569	"$UNIQUEDIR/$path"	2153	"$UNIQUEDIR/$path"
1570	}
1571
1572	# and all this just because we cannot iterate over
1573	# all maps in C++...
1574	sub change_all_map_light {
1575	my ($change) = @_;
1576
1577	$_->change_map_light ($change)
1578	for grep $_->outdoor, values %cf::MAP;
1579	}	2154	}
1580		2155
1581	sub decay_objects {	2156	sub decay_objects {
1582	my ($self) = @_;	2157	my ($self) = @_;
1583		2158
…		…
1596		2171
1597	sub load_header_from($) {	2172	sub load_header_from($) {
1598	my ($self, $path) = @_;	2173	my ($self, $path) = @_;
1599		2174
1600	utf8::encode $path;	2175	utf8::encode $path;
1601	#aio_open $path, O_RDONLY, 0	2176	my $f = new_from_file cf::object::thawer $path
1602	# or return;
1603
1604	$self->_load_header ($path)
1605	or return;	2177	or return;
1606		2178
		2179	$self->_load_header ($f)
		2180	or return;
		2181
		2182	local $MAP_LOADING{$self->{path}} = $self;
		2183	$f->resolve_delayed_derefs;
		2184
1607	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1608		2186
1609	1	2187	1
1610	}	2188	}
1611		2189
		2190	# used to laod the header of an original map
1612	sub load_header_orig {	2191	sub load_header_orig {
1613	my ($self) = @_;	2192	my ($self) = @_;
1614		2193
1615	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1616	}	2195	}
1617		2196
		2197	# used to laod the header of an instantiated map
1618	sub load_header_temp {	2198	sub load_header_temp {
1619	my ($self) = @_;	2199	my ($self) = @_;
1620		2200
1621	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1622	}	2202	}
1623		2203
		2204	# called after loading the header from an instantiated map
1624	sub prepare_temp {	2205	sub prepare_temp {
1625	my ($self) = @_;	2206	my ($self) = @_;
1626		2207
1627	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1628	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1629	# safety	2210	# safety
1630	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
1631	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
1632	}	2213	}
1633		2214
		2215	# called after loading the header from an original map
1634	sub prepare_orig {	2216	sub prepare_orig {
1635	my ($self) = @_;	2217	my ($self) = @_;
1636		2218
1637	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
1638	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1662		2244
1663	sub find;	2245	sub find;
1664	sub find {	2246	sub find {
1665	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
1666		2248
		2249	cf::cede_to_tick;
		2250
1667	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
1668		2252
		2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1669	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
1670		2255
1671	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
1672	my $guard = cf::lock_acquire "map_find:$path";
1673	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
1674	or return;	2258	or return;
1675		2259
1676	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
1677		2261
…		…
1679	or return;	2263	or return;
1680		2264
1681	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2265	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1682	# doing this can freeze the server in a sync job, obviously	2266	# doing this can freeze the server in a sync job, obviously
1683	#$cf::WAIT_FOR_TICK->wait;	2267	#$cf::WAIT_FOR_TICK->wait;
		2268	undef $guard2;
		2269	undef $guard1;
1684	$map->reset;	2270	$map->reset;
1685	undef $guard;
1686	return find $path;	2271	return find $path;
1687	}	2272	}
1688		2273
1689	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
1690	}	2275	}
1691	}	2276	}
1692		2277
1693	sub pre_load { }	2278	sub pre_load { }
1694	sub post_load { }	2279	#sub post_load { } # XS
1695		2280
1696	sub load {	2281	sub load {
1697	my ($self) = @_;	2282	my ($self) = @_;
1698		2283
1699	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
1700		2285
1701	my $path = $self->{path};	2286	my $path = $self->{path};
1702		2287
1703	{	2288	{
1704	my $guard = cf::lock_acquire "map_load:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
1705		2290
		2291	return unless $self->valid;
1706	return if $self->in_memory != cf::MAP_SWAPPED;	2292	return unless $self->state == cf::MAP_SWAPPED;
1707
1708	$self->in_memory (cf::MAP_LOADING);
1709		2293
1710	$self->alloc;	2294	$self->alloc;
1711		2295
1712	$self->pre_load;	2296	$self->pre_load;
1713	Coro::cede;	2297	cf::cede_to_tick;
1714		2298
1715	$self->_load_objects ($self->{load_path}, 1)	2299	if (exists $self->{load_path}) {
		2300	my $f = new_from_file cf::object::thawer $self->{load_path};
		2301	$f->skip_block;
		2302	$self->_load_objects ($f)
1716	or return;	2303	or return;
1717		2304
1718	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2305	$self->post_load_original
1719	if delete $self->{load_original};	2306	if delete $self->{load_original};
1720		2307
1721	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
1722	utf8::encode $uniq;	2309	utf8::encode $uniq;
1723	if (aio_open $uniq, O_RDONLY, 0) {	2310	unless (aio_stat $uniq) {
		2311	if (my $f = new_from_file cf::object::thawer $uniq) {
1724	$self->clear_unique_items;	2312	$self->clear_unique_items;
1725	$self->_load_objects ($uniq, 0);	2313	$self->_load_objects ($f);
		2314	$f->resolve_delayed_derefs;
		2315	}
		2316	}
1726	}	2317	}
1727	}
1728		2318
1729	Coro::cede;	2319	$f->resolve_delayed_derefs;
		2320	} else {
		2321	$self->post_load_original
		2322	if delete $self->{load_original};
		2323	}
		2324
		2325	$self->state (cf::MAP_INACTIVE);
		2326
		2327	cf::cede_to_tick;
1730	# now do the right thing for maps	2328	# now do the right thing for maps
1731	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
1732	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
1733	unless $self->difficulty;	2331	unless $self->difficulty;
1734	Coro::cede;	2332	cf::cede_to_tick;
1735		2333
1736	unless ($self->{deny_activate}) {	2334	unless ($self->{deny_activate}) {
1737	$self->decay_objects;	2335	$self->decay_objects;
1738	$self->fix_auto_apply;	2336	$self->fix_auto_apply;
1739	$self->update_buttons;	2337	$self->update_buttons;
1740	Coro::cede;	2338	cf::cede_to_tick;
1741	$self->set_darkness_map;	2339	#$self->activate; # no longer activate maps automatically
1742	Coro::cede;
1743	$self->activate;
1744	}	2340	}
1745		2341
1746	$self->in_memory (cf::MAP_IN_MEMORY);	2342	$self->{last_save} = $cf::RUNTIME;
		2343	$self->last_access ($cf::RUNTIME);
1747	}	2344	}
1748		2345
1749	$self->post_load;	2346	$self->post_load;
1750	}
1751		2347
		2348	1
		2349	}
		2350
		2351	# customize the map for a given player, i.e.
		2352	# return the _real_ map. used by e.g. per-player
		2353	# maps to change the path to ~playername/mappath
1752	sub customise_for {	2354	sub customise_for {
1753	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
1754		2356
1755	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
1756	if $self->per_player;	2358	if $self->per_player;
…		…
1759	# if $self->per_party;	2361	# if $self->per_party;
1760		2362
1761	$self	2363	$self
1762	}	2364	}
1763		2365
1764	# find and load all maps in the 3x3 area around a map
1765	sub load_diag {
1766	my ($map) = @_;
1767
1768	my @diag; # diagonal neighbours
1769
1770	for (0 .. 3) {
1771	my $neigh = $map->tile_path ($_)
1772	or next;
1773	$neigh = find $neigh, $map
1774	or next;
1775	$neigh->load;
1776
1777	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1778	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1779	}
1780
1781	for (@diag) {
1782	my $neigh = find @$_
1783	or next;
1784	$neigh->load;
1785	}
1786	}
1787
1788	sub find_sync {	2366	sub find_sync {
1789	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
1790		2368
1791	cf::sync_job { find $path, $origin }	2369	# it's a bug to call this from the main context
		2370	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2371	if $Coro::current == $Coro::main;
		2372
		2373	find $path, $origin
1792	}	2374	}
1793		2375
1794	sub do_load_sync {	2376	sub do_load_sync {
1795	my ($map) = @_;	2377	my ($map) = @_;
1796		2378
1797	cf::sync_job { $map->load };	2379	# it's a bug to call this from the main context
		2380	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2381	if $Coro::current == $Coro::main;
		2382
		2383	$map->load;
1798	}	2384	}
1799		2385
1800	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
1801	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
1802		2388
1803	sub find_async {	2389	sub find_async {
1804	my ($path, $origin) = @_;	2390	my ($path, $origin, $load) = @_;
1805		2391
1806	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
1807		2393
1808	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
1809	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2395	return $map if !$load || $map->linkable;
1810	}	2396	}
1811		2397
1812	undef $MAP_PREFETCH{$path};	2398	$MAP_PREFETCH{$path} |= $load;
		2399
1813	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
		2401	$Coro::current->{desc} = "map prefetcher";
		2402
1814	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
1815	for my $path (keys %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
1816	my $map = find $path	2405	if (my $map = find $k) {
1817	or next;	2406	$map->load if $MAP_PREFETCH{$k};
1818	$map->load;	2407	}
1819		2408
1820	delete $MAP_PREFETCH{$path};	2409	delete $MAP_PREFETCH{$k};
1821	}	2410	}
1822	}	2411	}
1823	undef $MAP_PREFETCHER;	2412	undef $MAP_PREFETCHER;
1824	};	2413	};
1825	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
1826		2415
1827	()	2416	()
1828	}	2417	}
1829		2418
		2419	# common code, used by both ->save and ->swapout
1830	sub save {	2420	sub _save {
1831	my ($self) = @_;	2421	my ($self) = @_;
1832
1833	my $lock = cf::lock_acquire "map_data:" . $self->path;
1834		2422
1835	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
1836		2424
1837	return unless $self->dirty;	2425	return unless $self->dirty;
1838		2426
…		…
1844	return if $self->{deny_save};	2432	return if $self->{deny_save};
1845		2433
1846	local $self->{last_access} = $self->last_access;#d#	2434	local $self->{last_access} = $self->last_access;#d#
1847		2435
1848	cf::async {	2436	cf::async {
		2437	$Coro::current->{desc} = "map player save";
1849	$_->contr->save for $self->players;	2438	$_->contr->save for $self->players;
1850	};	2439	};
		2440
		2441	cf::get_slot 0.02;
1851		2442
1852	if ($uniq) {	2443	if ($uniq) {
1853	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2444	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1854	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2445	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1855	} else {	2446	} else {
1856	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2447	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1857	}	2448	}
1858	}	2449	}
1859		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
1860	sub swap_out {	2459	sub swap_out {
1861	my ($self) = @_;	2460	my ($self) = @_;
1862		2461
1863	# save first because save cedes
1864	$self->save;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
1867		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
1868	return if $self->players;	2466	return if $self->players;
1869	return if $self->in_memory != cf::MAP_IN_MEMORY;
1870	return if $self->{deny_save};
1871		2467
		2468	# first deactivate the map and "unlink" it from the core
		2469	$self->deactivate;
		2470	$_->clear_links_to ($self) for values %cf::MAP;
		2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# then atomically save
		2474	$self->_save;
		2475
		2476	# then free the map
1872	$self->clear;	2477	$self->clear;
1873	$self->in_memory (cf::MAP_SWAPPED);
1874	}	2478	}
1875		2479
1876	sub reset_at {	2480	sub reset_at {
1877	my ($self) = @_;	2481	my ($self) = @_;
1878		2482
…		…
1896		2500
1897	my $lock = cf::lock_acquire "map_data:$self->{path}";	2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
1898		2502
1899	return if $self->players;	2503	return if $self->players;
1900		2504
1901	warn "resetting map ", $self->path;	2505	cf::trace "resetting map ", $self->path, "\n";
1902		2506
1903	$self->in_memory (cf::MAP_SWAPPED);	2507	$self->state (cf::MAP_SWAPPED);
1904		2508
1905	# need to save uniques path	2509	# need to save uniques path
1906	unless ($self->{deny_save}) {	2510	unless ($self->{deny_save}) {
1907	my $uniq = $self->uniq_path; utf8::encode $uniq;	2511	my $uniq = $self->uniq_path; utf8::encode $uniq;
1908		2512
…		…
1910	if $uniq;	2514	if $uniq;
1911	}	2515	}
1912		2516
1913	delete $cf::MAP{$self->path};	2517	delete $cf::MAP{$self->path};
1914		2518
		2519	$self->deactivate;
		2520	$_->clear_links_to ($self) for values %cf::MAP;
1915	$self->clear;	2521	$self->clear;
1916
1917	$_->clear_links_to ($self) for values %cf::MAP;
1918		2522
1919	$self->unlink_save;	2523	$self->unlink_save;
1920	$self->destroy;	2524	$self->destroy;
1921	}	2525	}
1922		2526
1923	my $nuke_counter = "aaaa";	2527	my $nuke_counter = "aaaa";
1924		2528
1925	sub nuke {	2529	sub nuke {
1926	my ($self) = @_;	2530	my ($self) = @_;
1927		2531
		2532	{
		2533	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2534
1928	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
1929		2536
1930	$self->unlink_save;	2537	$self->unlink_save;
1931		2538
1932	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
1933	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
1934	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
1935	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
1936	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1937		2544
1938	$cf::MAP{$self->path} = $self;	2545	$cf::MAP{$self->path} = $self;
		2546	}
1939		2547
1940	$self->reset; # polite request, might not happen	2548	$self->reset; # polite request, might not happen
1941	}	2549	}
1942		2550
1943	=item $maps = cf::map::tmp_maps	2551	=item $maps = cf::map::tmp_maps
…		…
1985		2593
1986	sub unique_maps() {	2594	sub unique_maps() {
1987	[	2595	[
1988	map {	2596	map {
1989	utf8::decode $_;	2597	utf8::decode $_;
1990	/\.map$/	2598	s/\.map$//; # TODO future compatibility hack
		2599	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2600	? ()
1991	? normalise $_	2601	: normalise $_
1992	: ()
1993	} @{ aio_readdir $UNIQUEDIR or [] }	2602	} @{ aio_readdir $UNIQUEDIR or [] }
1994	]	2603	]
1995	}	2604	}
1996		2605
1997	package cf;	2606	=item cf::map::static_maps
		2607
		2608	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2609	file in the shared directory excluding F</styles> and F</editor>). May
		2610	block.
		2611
		2612	=cut
		2613
		2614	sub static_maps() {
		2615	my @dirs = "";
		2616	my @maps;
		2617
		2618	while (@dirs) {
		2619	my $dir = shift @dirs;
		2620
		2621	next if $dir eq "/styles" || $dir eq "/editor";
		2622
		2623	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2624	or return;
		2625
		2626	for (@$files) {
		2627	s/\.map$// or next;
		2628	utf8::decode $_;
		2629	push @maps, "$dir/$_";
		2630	}
		2631
		2632	push @dirs, map "$dir/$_", @$dirs;
		2633	}
		2634
		2635	\@maps
		2636	}
1998		2637
1999	=back	2638	=back
2000		2639
2001	=head3 cf::object	2640	=head3 cf::object
2002		2641
…		…
2006		2645
2007	=over 4	2646	=over 4
2008		2647
2009	=item $ob->inv_recursive	2648	=item $ob->inv_recursive
2010		2649
2011	Returns the inventory of the object _and_ their inventories, recursively.	2650	Returns the inventory of the object I<and> their inventories, recursively,
		2651	but I<not> the object itself.
2012		2652
2013	=cut	2653	=cut
2014		2654
2015	sub inv_recursive_;	2655	sub inv_recursive_;
2016	sub inv_recursive_ {	2656	sub inv_recursive_ {
…		…
2019		2659
2020	sub inv_recursive {	2660	sub inv_recursive {
2021	inv_recursive_ inv $_[0]	2661	inv_recursive_ inv $_[0]
2022	}	2662	}
2023		2663
		2664	=item $ref = $ob->ref
		2665
		2666	Creates and returns a persistent reference to an object that can be stored as a string.
		2667
		2668	=item $ob = cf::object::deref ($refstring)
		2669
		2670	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2671	even if the object actually exists. May block.
		2672
		2673	=cut
		2674
		2675	sub deref {
		2676	my ($ref) = @_;
		2677
		2678	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2679	my ($uuid, $name) = ($1, $2);
		2680	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2681	or return;
		2682	$pl->ob->uuid eq $uuid
		2683	or return;
		2684
		2685	$pl->ob
		2686	} else {
		2687	warn "$ref: cannot resolve object reference\n";
		2688	undef
		2689	}
		2690	}
		2691
2024	package cf;	2692	package cf;
2025		2693
2026	=back	2694	=back
2027		2695
2028	=head3 cf::object::player	2696	=head3 cf::object::player
…		…
2034	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2702	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2035	can be C<undef>. Does the right thing when the player is currently in a	2703	can be C<undef>. Does the right thing when the player is currently in a
2036	dialogue with the given NPC character.	2704	dialogue with the given NPC character.
2037		2705
2038	=cut	2706	=cut
		2707
		2708	our $SAY_CHANNEL = {
		2709	id => "say",
		2710	title => "Map",
		2711	reply => "say ",
		2712	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2713	};
		2714
		2715	our $CHAT_CHANNEL = {
		2716	id => "chat",
		2717	title => "Chat",
		2718	reply => "chat ",
		2719	tooltip => "Player chat and shouts, global to the server.",
		2720	};
2039		2721
2040	# rough implementation of a future "reply" method that works	2722	# rough implementation of a future "reply" method that works
2041	# with dialog boxes.	2723	# with dialog boxes.
2042	#TODO: the first argument must go, split into a $npc->reply_to ( method	2724	#TODO: the first argument must go, split into a $npc->reply_to ( method
2043	sub cf::object::player::reply($$$;$) {	2725	sub cf::object::player::reply($$$;$) {
…		…
2050		2732
2051	} else {	2733	} else {
2052	my $pl = $self->contr;	2734	my $pl = $self->contr;
2053		2735
2054	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2736	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2055	my $diag = $pl->{npc_dialog};	2737	my $dialog = $pl->{npc_dialog};
2056	$diag->{pl}->ext_reply (	2738	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2057	$diag->{id}, msgtype => "reply", msg => $msg, add_topics => []
2058	);
2059		2739
2060	} else {	2740	} else {
2061	$msg = $npc->name . " says: $msg" if $npc;	2741	$msg = $npc->name . " says: $msg" if $npc;
2062	$self->message ($msg, $flags);	2742	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2063	}	2743	}
2064	}	2744	}
		2745	}
		2746
		2747	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2748
		2749	=cut
		2750
		2751	sub cf::object::send_msg {
		2752	my $pl = shift->contr
		2753	or return;
		2754	$pl->send_msg (@_);
2065	}	2755	}
2066		2756
2067	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
2068		2758
2069	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
2070	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
2071		2761
		2762	This is implemented by checking a config setting of C<may_access> where
		2763	C<access> is replaced by the access string. The following alternatives are
		2764	possible (and are tested in order):
		2765
		2766	=over 4
		2767
		2768	=item * Player is DM
		2769
		2770	The request will succeed.
		2771
		2772	=item * may_access is an array reference
		2773
		2774	If either the player nickname or UUID is in the array, the request will
		2775	succeed, otherwise it will fail.
		2776
		2777	=item * may_access is a true value
		2778
		2779	The request will succeed.
		2780
		2781	=item * may_access is missing or false
		2782
		2783	The request will fail.
		2784
		2785	=back
		2786
2072	=cut	2787	=cut
2073		2788
2074	sub cf::object::player::may {	2789	sub cf::object::player::may {
2075	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
2076		2791
2077	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
2078	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
2079	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2080	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
2081	}	2796	}
2082		2797
2083	=item $player_object->enter_link	2798	=item $player_object->enter_link
2084		2799
2085	Freezes the player and moves him/her to a special map (C<{link}>).	2800	Freezes the player and moves him/her to a special map (C<{link}>).
2086		2801
2087	The player should be reasonably safe there for short amounts of time. You	2802	The player should be reasonably safe there for short amounts of time (e.g.
2088	I<MUST> call C<leave_link> as soon as possible, though.	2803	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2804	though, as the player cannot control the character while it is on the link
		2805	map.
2089		2806
2090	Will never block.	2807	This method will never block, which is the whole reaosn for it's
		2808	existance: you can I<always> put a player onto the link map, which is the
		2809	only place to put objects that is guaranteed to exist.
		2810
		2811	A typical usage pattern is to call C<enter_link> synchronously from the
		2812	server, then start a new thread, do your blocking stuff there and then
		2813	call C<leave_link> from that thread.
2091		2814
2092	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
2093		2816
2094	Moves the player out of the special C<{link}> map onto the specified	2817	Moves the player out of the special C<{link}> map onto the specified
2095	map. If the map is not valid (or omitted), the player will be moved back	2818	map. If the map is not valid (or omitted), the player will be moved back
…		…
2113	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
2114	my ($self) = @_;	2837	my ($self) = @_;
2115		2838
2116	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
2117		2840
		2841	++$self->{_link_recursion};
		2842
2118	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
2119		2844
2120	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2121	if $self->map && $self->map->{path} ne "{link}";	2846	if $self->map && $self->map->{path} ne "{link}";
2122		2847
2123	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2124	}	2849	}
2125		2850
2126	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
2127	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
2128		2853
…		…
2145	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
2146	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
2147		2872
2148	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
2149	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
2150	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
2151		2876
2152	$map->load;	2877	$map->load;
2153	$map->load_diag;
2154		2878
2155	return unless $self->contr->active;	2879	return unless $self->contr->active;
2156	$self->activate_recursive;
2157		2880
2158	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2159	$self->enter_map ($map, $x, $y);	2882	if ($self->enter_map ($map, $x, $y)) {
2160	}	2883	# entering was successful
		2884	delete $self->{_link_recursion};
		2885	# only activate afterwards, to support waiting in hooks
		2886	$self->activate_recursive;
		2887	}
2161		2888
		2889	}
		2890
2162	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2891	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2163		2892
2164	Moves the player to the given map-path and coordinates by first freezing	2893	Moves the player to the given map-path and coordinates by first freezing
2165	her, loading and preparing them map, calling the provided $check callback	2894	her, loading and preparing them map, calling the provided $check callback
2166	that has to return the map if sucecssful, and then unfreezes the player on	2895	that has to return the map if sucecssful, and then unfreezes the player on
2167	the new (success) or old (failed) map position.	2896	the new (success) or old (failed) map position. In either case, $done will
		2897	be called at the end of this process.
		2898
		2899	Note that $check will be called with a potentially non-loaded map, so if
		2900	it needs a loaded map it has to call C<< ->load >>.
2168		2901
2169	=cut	2902	=cut
2170		2903
2171	our $GOTOGEN;	2904	our $GOTOGEN;
2172		2905
2173	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
2174	my ($self, $path, $x, $y, $check) = @_;	2907	my ($self, $path, $x, $y, $check, $done) = @_;
		2908
		2909	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2910	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2911	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2912	($path, $x, $y) = @$EMERGENCY_POSITION;
		2913	}
2175		2914
2176	# do generation counting so two concurrent goto's will be executed in-order	2915	# do generation counting so two concurrent goto's will be executed in-order
2177	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2916	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2178		2917
2179	$self->enter_link;	2918	$self->enter_link;
2180		2919
2181	(async {	2920	(async {
		2921	$Coro::current->{desc} = "player::goto $path $x $y";
		2922
		2923	# *tag paths override both path and x|y
		2924	if ($path =~ /^\*(.*)$/) {
		2925	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2926	my $ob = $obs[rand @obs];
		2927
		2928	# see if we actually can go there
		2929	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2930	$ob = $obs[rand @obs];
		2931	} else {
		2932	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2933	}
		2934	# else put us there anyways for now #d#
		2935
		2936	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2937	} else {
		2938	($path, $x, $y) = (undef, undef, undef);
		2939	}
		2940	}
		2941
2182	my $map = eval {	2942	my $map = eval {
2183	my $map = cf::map::find $path;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2184		2944
2185	if ($map) {	2945	if ($map) {
2186	$map = $map->customise_for ($self);	2946	$map = $map->customise_for ($self);
2187	$map = $check->($map) if $check && $map;	2947	$map = $check->($map, $x, $y, $self) if $check && $map;
2188	} else {	2948	} else {
2189	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2949	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2190	}	2950	}
2191		2951
2192	$map	2952	$map
2193	};	2953	};
2194		2954
…		…
2199		2959
2200	if ($gen == $self->{_goto_generation}) {	2960	if ($gen == $self->{_goto_generation}) {
2201	delete $self->{_goto_generation};	2961	delete $self->{_goto_generation};
2202	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
2203	}	2963	}
		2964
		2965	$done->($self) if $done;
2204	})->prio (1);	2966	})->prio (1);
2205	}	2967	}
2206		2968
2207	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
2208		2970
…		…
2228	}	2990	}
2229		2991
2230	sub prepare_random_map {	2992	sub prepare_random_map {
2231	my ($exit) = @_;	2993	my ($exit) = @_;
2232		2994
2233	my $guard = cf::lock_acquire "exit_prepare:$exit";
2234
2235	# all this does is basically replace the /! path by	2995	# all this does is basically replace the /! path by
2236	# a new random map path (?random/...) with a seed	2996	# a new random map path (?random/...) with a seed
2237	# that depends on the exit object	2997	# that depends on the exit object
2238		2998
2239	my $rmp = parse_random_map_params $exit->msg;	2999	my $rmp = parse_random_map_params $exit->msg;
…		…
2241	if ($exit->map) {	3001	if ($exit->map) {
2242	$rmp->{region} = $exit->region->name;	3002	$rmp->{region} = $exit->region->name;
2243	$rmp->{origin_map} = $exit->map->path;	3003	$rmp->{origin_map} = $exit->map->path;
2244	$rmp->{origin_x} = $exit->x;	3004	$rmp->{origin_x} = $exit->x;
2245	$rmp->{origin_y} = $exit->y;	3005	$rmp->{origin_y} = $exit->y;
		3006
		3007	$exit->map->touch;
2246	}	3008	}
2247		3009
2248	$rmp->{random_seed} ||= $exit->random_seed;	3010	$rmp->{random_seed} ||= $exit->random_seed;
2249		3011
2250	my $data = cf::to_json $rmp;	3012	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2251	my $md5 = Digest::MD5::md5_hex $data;	3013	my $md5 = Digest::MD5::md5_hex $data;
2252	my $meta = "$RANDOMDIR/$md5.meta";	3014	my $meta = "$RANDOMDIR/$md5.meta";
2253		3015
2254	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3016	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2255	aio_write $fh, 0, (length $data), $data, 0;	3017	aio_write $fh, 0, (length $data), $data, 0;
2256	undef $fh;	3018	undef $fh;
2257	aio_rename "$meta~", $meta;	3019	aio_rename "$meta~", $meta;
2258		3020
		3021	my $slaying = "?random/$md5";
		3022
		3023	if ($exit->valid) {
2259	$exit->slaying ("?random/$md5");	3024	$exit->slaying ("?random/$md5");
2260	$exit->msg (undef);	3025	$exit->msg (undef);
		3026	}
2261	}	3027	}
2262	}	3028	}
2263		3029
2264	sub cf::object::player::enter_exit {	3030	sub cf::object::player::enter_exit {
2265	my ($self, $exit) = @_;	3031	my ($self, $exit) = @_;
2266		3032
2267	return unless $self->type == cf::PLAYER;	3033	return unless $self->type == cf::PLAYER;
2268		3034
2269	if ($exit->slaying eq "/!") {
2270	#TODO: this should de-fi-ni-te-ly not be a sync-job
2271	# the problem is that $exit might not survive long enough
2272	# so it needs to be done right now, right here
2273	cf::sync_job { prepare_random_map $exit };
2274	}
2275
2276	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2277	my $hp = $exit->stats->hp;
2278	my $sp = $exit->stats->sp;
2279
2280	$self->enter_link;	3035	$self->enter_link;
2281		3036
2282	(async {	3037	(async {
2283	$self->deactivate_recursive; # just to be sure	3038	$Coro::current->{desc} = "enter_exit";
		3039
2284	unless (eval {	3040	unless (eval {
		3041	$self->deactivate_recursive; # just to be sure
		3042
		3043	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3044	my $x = $exit->stats->hp;
		3045	my $y = $exit->stats->sp;
		3046
		3047	# special map handling
		3048	my $slaying = $exit->slaying;
		3049
		3050	# special map handling
		3051	if ($slaying eq "/!") {
		3052	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3053
		3054	prepare_random_map $exit
		3055	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3056
		3057	$map = $exit->slaying;
		3058
		3059	} elsif ($slaying eq '!up') {
		3060	$map = $exit->map->tile_path (cf::TILE_UP);
		3061	$x = $exit->x;
		3062	$y = $exit->y;
		3063
		3064	} elsif ($slaying eq '!down') {
		3065	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3066	$x = $exit->x;
		3067	$y = $exit->y;
		3068	}
		3069
2285	$self->goto ($slaying, $hp, $sp);	3070	$self->goto ($map, $x, $y);
2286		3071
		3072	# if exit is damned, update players death & WoR home-position
		3073	$self->contr->savebed ($map, $x, $y)
		3074	if $exit->flag (cf::FLAG_DAMNED);
		3075
2287	1;	3076	1
2288	}) {	3077	}) {
2289	$self->message ("Something went wrong deep within the crossfire server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2290	. "I'll try to bring you back to the map you were before. "	3079	. "I'll try to bring you back to the map you were before. "
2291	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2292	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2293		3082
2294	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2295	$self->leave_link;	3084	$self->leave_link;
2296	}	3085	}
2297	})->prio (1);	3086	})->prio (1);
2298	}	3087	}
2299		3088
2300	=head3 cf::client	3089	=head3 cf::client
2301		3090
2302	=over 4	3091	=over 4
2303		3092
2304	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2305		3094
2306	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2307	should not be used under normal circumstances.	3096	them as required.
2308		3097
2309	=cut	3098	=cut
2310		3099
		3100	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3101
		3102	sub cf::client::send_big_packet {
		3103	my ($self, $pkt) = @_;
		3104
		3105	# try lzf for large packets
		3106	$pkt = "lzf " . Compress::LZF::compress $pkt
		3107	if 1024 <= length $pkt and $self->{can_lzf};
		3108
		3109	# split very large packets
		3110	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3111	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3112	$pkt = "frag";
		3113	}
		3114
		3115	$self->send_packet ($pkt);
		3116	}
		3117
		3118	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3119
		3120	Send a msg packet to the client, formatting the msg for the client if
		3121	necessary. C<$type> should be a string identifying the type of the
		3122	message, with C<log> being the default. If C<$color> is negative, suppress
		3123	the message unless the client supports the msg packet.
		3124
		3125	=cut
		3126
		3127	# non-persistent channels (usually the info channel)
		3128	our %CHANNEL = (
		3129	"c/motd" => {
		3130	id => "infobox",
		3131	title => "MOTD",
		3132	reply => undef,
		3133	tooltip => "The message of the day",
		3134	},
		3135	"c/identify" => {
		3136	id => "infobox",
		3137	title => "Identify",
		3138	reply => undef,
		3139	tooltip => "Items recently identified",
		3140	},
		3141	"c/examine" => {
		3142	id => "infobox",
		3143	title => "Examine",
		3144	reply => undef,
		3145	tooltip => "Signs and other items you examined",
		3146	},
		3147	"c/shopinfo" => {
		3148	id => "infobox",
		3149	title => "Shop Info",
		3150	reply => undef,
		3151	tooltip => "What your bargaining skill tells you about the shop",
		3152	},
		3153	"c/book" => {
		3154	id => "infobox",
		3155	title => "Book",
		3156	reply => undef,
		3157	tooltip => "The contents of a note or book",
		3158	},
		3159	"c/lookat" => {
		3160	id => "infobox",
		3161	title => "Look",
		3162	reply => undef,
		3163	tooltip => "What you saw there",
		3164	},
		3165	"c/who" => {
		3166	id => "infobox",
		3167	title => "Players",
		3168	reply => undef,
		3169	tooltip => "Shows players who are currently online",
		3170	},
		3171	"c/body" => {
		3172	id => "infobox",
		3173	title => "Body Parts",
		3174	reply => undef,
		3175	tooltip => "Shows which body parts you possess and are available",
		3176	},
		3177	"c/statistics" => {
		3178	id => "infobox",
		3179	title => "Statistics",
		3180	reply => undef,
		3181	tooltip => "Shows your primary statistics",
		3182	},
		3183	"c/skills" => {
		3184	id => "infobox",
		3185	title => "Skills",
		3186	reply => undef,
		3187	tooltip => "Shows your experience per skill and item power",
		3188	},
		3189	"c/shopitems" => {
		3190	id => "infobox",
		3191	title => "Shop Items",
		3192	reply => undef,
		3193	tooltip => "Shows the items currently for sale in this shop",
		3194	},
		3195	"c/resistances" => {
		3196	id => "infobox",
		3197	title => "Resistances",
		3198	reply => undef,
		3199	tooltip => "Shows your resistances",
		3200	},
		3201	"c/pets" => {
		3202	id => "infobox",
		3203	title => "Pets",
		3204	reply => undef,
		3205	tooltip => "Shows information abotu your pets/a specific pet",
		3206	},
		3207	"c/perceiveself" => {
		3208	id => "infobox",
		3209	title => "Perceive Self",
		3210	reply => undef,
		3211	tooltip => "You gained detailed knowledge about yourself",
		3212	},
		3213	"c/uptime" => {
		3214	id => "infobox",
		3215	title => "Uptime",
		3216	reply => undef,
		3217	tooltip => "How long the server has been running since last restart",
		3218	},
		3219	"c/mapinfo" => {
		3220	id => "infobox",
		3221	title => "Map Info",
		3222	reply => undef,
		3223	tooltip => "Information related to the maps",
		3224	},
		3225	"c/party" => {
		3226	id => "party",
		3227	title => "Party",
		3228	reply => "gsay ",
		3229	tooltip => "Messages and chat related to your party",
		3230	},
		3231	"c/death" => {
		3232	id => "death",
		3233	title => "Death",
		3234	reply => undef,
		3235	tooltip => "Reason for and more info about your most recent death",
		3236	},
		3237	"c/fatal" => {
		3238	id => "fatal",
		3239	title => "Fatal Error",
		3240	reply => undef,
		3241	tooltip => "Reason for the server disconnect",
		3242	},
		3243	"c/say" => $SAY_CHANNEL,
		3244	"c/chat" => $CHAT_CHANNEL,
		3245	);
		3246
2311	sub cf::client::send_drawinfo {	3247	sub cf::client::send_msg {
2312	my ($self, $text, $flags) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2313		3249
2314	utf8::encode $text;	3250	$msg = $self->pl->expand_cfpod ($msg)
2315	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3251	unless $color & cf::NDI_VERBATIM;
2316	}
2317		3252
		3253	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3254
		3255	# check predefined channels, for the benefit of C
		3256	if ($CHANNEL{$channel}) {
		3257	$channel = $CHANNEL{$channel};
		3258
		3259	$self->ext_msg (channel_info => $channel);
		3260	$channel = $channel->{id};
		3261
		3262	} elsif (ref $channel) {
		3263	# send meta info to client, if not yet sent
		3264	unless (exists $self->{channel}{$channel->{id}}) {
		3265	$self->{channel}{$channel->{id}} = $channel;
		3266	$self->ext_msg (channel_info => $channel);
		3267	}
		3268
		3269	$channel = $channel->{id};
		3270	}
		3271
		3272	return unless @extra || length $msg;
		3273
		3274	# default colour, mask it out
		3275	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3276	if $color & cf::NDI_DEF;
		3277
		3278	my $pkt = "msg "
		3279	. $self->{json_coder}->encode (
		3280	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3281	);
		3282
		3283	$self->send_big_packet ($pkt);
		3284	}
		3285
2318	=item $client->ext_event ($type, %msg)	3286	=item $client->ext_msg ($type, @msg)
2319		3287
2320	Sends an exti event to the client.	3288	Sends an ext event to the client.
2321		3289
2322	=cut	3290	=cut
2323		3291
2324	sub cf::client::ext_event($$%) {	3292	sub cf::client::ext_msg($$@) {
2325	my ($self, $type, %msg) = @_;	3293	my ($self, $type, @msg) = @_;
2326		3294
2327	$msg{msgtype} = "event_$type";	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2328	$self->send_packet ("ext " . cf::to_json \%msg);
2329	}	3296	}
2330		3297
2331	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2332		3299
2333	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
2334	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3301	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2335	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3302	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2336		3303
2337	Queries can fail, so check the return code. Or don't, as queries will become	3304	Queries can fail, so check the return code. Or don't, as queries will
2338	reliable at some point in the future.	3305	become reliable at some point in the future.
2339		3306
2340	=cut	3307	=cut
2341		3308
2342	sub cf::client::query {	3309	sub cf::client::query {
2343	my ($self, $flags, $text, $cb) = @_;	3310	my ($self, $flags, $text, $cb) = @_;
…		…
2351	utf8::encode $text;	3318	utf8::encode $text;
2352	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3319	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2353		3320
2354	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2355	if @{ $self->{query_queue} } == 1;	3322	if @{ $self->{query_queue} } == 1;
		3323
		3324	1
		3325	}
		3326
		3327	=item $client->update_command_faces
		3328
		3329	=cut
		3330
		3331	our %COMMAND_FACE;
		3332
		3333	sub cf::client::update_command_faces {
		3334	my ($self) = @_;
		3335
		3336	my @faces = grep $_,
		3337	$COMMAND_FACE{preferred},
		3338	$COMMAND_FACE{standard},
		3339	$COMMAND_FACE{skill},
		3340	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3341	$COMMAND_FACE{emote},
		3342	;
		3343
		3344	$self->send_face ($_)
		3345	for @faces;
		3346	$self->flush_fx;
		3347
		3348	$self->ext_msg (command_list => @faces);
		3349	}
		3350
		3351	=item cf::client::set_command_face $type, $commands
		3352
		3353	=cut
		3354
		3355	sub cf::client::set_command_face {
		3356	my ($type, $list) = @_;
		3357
		3358	my $idx = &cf::face::set ( #d# ugly forward reference
		3359	"command_list/$type" => cf::FT_RSRC,
		3360	JSON::XS->new->utf8->encode ([ sort @$list ])
		3361	);
		3362
		3363	$COMMAND_FACE{$type} = $idx;
2356	}	3364	}
2357		3365
2358	cf::client->attach (	3366	cf::client->attach (
		3367	on_connect => sub {
		3368	my ($ns) = @_;
		3369
		3370	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3371	},
2359	on_reply => sub {	3372	on_reply => sub {
2360	my ($ns, $msg) = @_;	3373	my ($ns, $msg) = @_;
2361		3374
2362	# this weird shuffling is so that direct followup queries	3375	# this weird shuffling is so that direct followup queries
2363	# get handled first	3376	# get handled first
…		…
2375	} else {	3388	} else {
2376	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3389	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2377	}	3390	}
2378	}	3391	}
2379	},	3392	},
		3393	on_exticmd => sub {
		3394	my ($ns, $buf) = @_;
		3395
		3396	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3397
		3398	if (ref $msg) {
		3399	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3400
		3401	if (my $cb = $EXTIACMD{$type}) {
		3402	$cb->(
		3403	$ns,
		3404	sub {
		3405	$ns->ext_msg ("reply-$reply", @_)
		3406	if $reply;
		3407	},
		3408	@payload
		3409	);
		3410	} else {
		3411	my @reply;
		3412
		3413	if (my $cb = $EXTICMD{$type}) {
		3414	@reply = $cb->($ns, @payload);
		3415	}
		3416
		3417	$ns->ext_msg ("reply-$reply", @reply)
		3418	if $reply;
		3419	}
		3420	} else {
		3421	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3422	}
		3423
		3424	cf::override;
		3425	},
2380	);	3426	);
2381		3427
2382	=item $client->async (\&cb)	3428	=item $client->async (\&cb)
2383		3429
2384	Create a new coroutine, running the specified callback. The coroutine will	3430	Create a new coroutine, running the specified callback. The coroutine will
…		…
2400		3446
2401	$coro	3447	$coro
2402	}	3448	}
2403		3449
2404	cf::client->attach (	3450	cf::client->attach (
2405	on_destroy => sub {	3451	on_client_destroy => sub {
2406	my ($ns) = @_;	3452	my ($ns) = @_;
2407		3453
2408	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2409	},	3455	},
2410	);	3456	);
…		…
2425	our $safe = new Safe "safe";	3471	our $safe = new Safe "safe";
2426	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
2427		3473
2428	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
2429		3475
2430	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3476	$safe->permit_only (Opcode::opset qw(
		3477	:base_core :base_mem :base_orig :base_math :base_loop
		3478	grepstart grepwhile mapstart mapwhile
		3479	sort time
		3480	));
2431		3481
2432	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
2433		3483
2434	=pod	3484	=pod
2435		3485
2436	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
2437		3487
2438	cf::object contr pay_amount pay_player map	3488	cf::object
		3489	contr pay_amount pay_player map x y force_find force_add destroy
		3490	insert remove name archname title slaying race decrease split
		3491	value
		3492
2439	cf::object::player player	3493	cf::object::player
2440	cf::player peaceful	3494	player
2441	cf::map trigger	3495
		3496	cf::player
		3497	peaceful
		3498
		3499	cf::map
		3500	trigger
2442		3501
2443	=cut	3502	=cut
2444		3503
2445	for (	3504	for (
2446	["cf::object" => qw(contr pay_amount pay_player map)],	3505	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3506	insert remove inv nrof name archname title slaying race
		3507	decrease split destroy change_exp value msg lore send_msg)],
2447	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
2448	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
2449	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
2450	) {	3511	) {
2451	no strict 'refs';
2452	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
2453	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2454	for @funs;	3514	for @funs;
2455	}	3515	}
2456		3516
…		…
2471		3531
2472	my $qcode = $code;	3532	my $qcode = $code;
2473	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2474	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
2475		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
2476	local $_;	3539	local $_;
2477	local @safe::cf::_safe_eval_args = values %vars;
2478		3540
2479	my $eval =	3541	my $eval =
2480	"do {\n"	3542	"do {\n"
2481	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2482	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
2483	. $code	3545	. $code
2484	. "\n}"	3546	. "\n}"
2485	;	3547	;
2486		3548
		3549	if ($CFG{safe_eval}) {
2487	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
2488	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2489	sub_generation_inc;	3553	sub_generation_inc;
		3554	} else {
		3555	local @cf::_safe_eval_args = values %vars;
		3556	@res = wantarray ? eval eval : scalar eval $eval;
		3557	}
2490		3558
2491	if ($@) {	3559	if ($@) {
2492	warn "$@";	3560	warn "$@",
2493	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
2494	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
2495	}	3563	}
2496		3564
2497	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
2498	}	3566	}
2499		3567
…		…
2513	=cut	3581	=cut
2514		3582
2515	sub register_script_function {	3583	sub register_script_function {
2516	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
2517		3585
2518	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
2519	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
2520	}	3588	}
2521		3589
2522	=back	3590	=back
2523		3591
2524	=cut	3592	=cut
2525		3593
2526	#############################################################################	3594	#############################################################################
2527	# the server's init and main functions	3595	# the server's init and main functions
2528		3596
		3597	{
		3598	package cf::face;
		3599
		3600	our %HASH; # hash => idx
		3601	our @DATA; # dynamically-created facedata, only faceste 0 used
		3602	our @FOFS; # file offset, if > 0
		3603	our @SIZE; # size of face, in octets
		3604	our @META; # meta hash of face, if any
		3605	our $DATAFH; # facedata filehandle
		3606
		3607	# internal api, not finalised
		3608	sub set {
		3609	my ($name, $type, $data) = @_;
		3610
		3611	my $idx = cf::face::find $name;
		3612
		3613	if ($idx) {
		3614	delete $HASH{cf::face::get_csum $idx};
		3615	} else {
		3616	$idx = cf::face::alloc $name;
		3617	}
		3618
		3619	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3620
		3621	cf::face::set_type $idx, $type;
		3622	cf::face::set_csum $idx, 0, $hash;
		3623
		3624	# we need to destroy the SV itself, not just modify it, as a running ix
		3625	# might hold a reference to it: "delete" achieves that.
		3626	delete $FOFS[0][$idx];
		3627	delete $DATA[0][$idx];
		3628	$DATA[0][$idx] = $data;
		3629	$SIZE[0][$idx] = length $data;
		3630	delete $META[$idx];
		3631	$HASH{$hash} = $idx;#d#
		3632
		3633	$idx
		3634	}
		3635
		3636	sub _get_data($$$) {
		3637	my ($idx, $set, $cb) = @_;
		3638
		3639	if (defined $DATA[$set][$idx]) {
		3640	$cb->($DATA[$set][$idx]);
		3641	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3642	my $size = $SIZE[$set][$idx];
		3643	my $buf;
		3644	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3645	if ($_[0] == $size) {
		3646	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3647	$cb->($buf);
		3648	} else {
		3649	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3650	}
		3651	};
		3652	} else {
		3653	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3654	}
		3655	}
		3656
		3657	# rather ineffient
		3658	sub cf::face::get_data($;$) {
		3659	my ($idx, $set) = @_;
		3660
		3661	_get_data $idx, $set, Coro::rouse_cb;
		3662	Coro::rouse_wait
		3663	}
		3664
		3665	sub cf::face::ix {
		3666	my ($ns, $set, $idx, $pri) = @_;
		3667
		3668	_get_data $idx, $set, sub {
		3669	$ns->ix_send ($idx, $pri, $_[0]);
		3670	};
		3671	}
		3672	}
		3673
2529	sub load_facedata($) {	3674	sub load_facedata($) {
2530	my ($path) = @_;	3675	my ($path) = @_;
2531		3676
		3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3678
2532	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
2533		3680
2534	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
2535	0 < aio_load $path, $facedata
2536	or die "$path: $!";
2537
2538	$facedata = Coro::Storable::thaw $facedata;
2539		3682
2540	$facedata->{version} == 2	3683	$facedata->{version} == 2
2541	or cf::cleanup "$path: version mismatch, cannot proceed.";	3684	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3685
		3686	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3687	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3688
		3689	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3690
		3691	# BEGIN ATOMIC
		3692	# from here on, everything must be atomic - no thread switch allowed
		3693	my $t1 = EV::time;
2542		3694
2543	{	3695	{
2544	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
2545		3697
2546	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
2547	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3701
2548	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3702	cf::face::set_visibility $idx, $info->{visibility};
2549	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
2550	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3704	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2551	Coro::cede;	3705	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3706	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3707	$cf::face::HASH{$info->{hash64}} = $idx;
		3708	delete $cf::face::META[$idx];
2552	}	3709	}
2553		3710
2554	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
2555	next unless $info->{smooth};	3712	next unless $info->{smooth};
		3713
2556	my $idx = cf::face::find $face	3714	my $idx = cf::face::find $face
2557	or next;	3715	or next;
		3716
2558	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
		3718	cf::face::set_smooth $idx, $smooth;
2559	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2560	} else {	3720	} else {
2561	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
2562	}	3722	}
2563	Coro::cede;
2564	}	3723	}
2565	}	3724	}
2566		3725
2567	{	3726	{
2568	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
2569		3728
2570	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
2571	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
2572	Coro::cede;
2573	}	3731	}
2574		3732
2575	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
2576	}	3734	}
2577		3735
		3736	{
		3737	my $res = $facedata->{resource};
		3738
		3739	while (my ($name, $info) = each %$res) {
		3740	if (defined (my $type = $info->{type})) {
		3741	# TODO: different hash - must free and use new index, or cache ixface data queue
		3742	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3743
		3744	cf::face::set_type $idx, $type;
		3745	cf::face::set_csum $idx, 0, $info->{hash};
		3746	$cf::face::SIZE[0][$idx] = $info->{size};
		3747	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3748	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3749	$cf::face::HASH{$info->{hash}} = $idx;
		3750	} else {
		3751	# $RESOURCE{$name} = $info; # unused
		3752	}
		3753	}
		3754	}
		3755
		3756	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3757
		3758	# HACK to clear player env face cache, we need some signal framework
		3759	# for this (global event?)
		3760	%ext::player_env::MUSIC_FACE_CACHE = ();
		3761
		3762	# END ATOMIC
		3763
		3764	cf::debug "facedata atomic update time ", EV::time - $t1;
		3765
		3766	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3767
		3768	aio_close $fh if $fh; # close old facedata
		3769
2578	1	3770	1
2579	}	3771	}
2580		3772
		3773	register_exticmd fx_want => sub {
		3774	my ($ns, $want) = @_;
		3775
		3776	while (my ($k, $v) = each %$want) {
		3777	$ns->fx_want ($k, $v);
		3778	}
		3779	};
		3780
		3781	sub load_resource_file($) {
		3782	my $guard = lock_acquire "load_resource_file";
		3783
		3784	my $status = load_resource_file_ $_[0];
		3785	get_slot 0.1, 100;
		3786	cf::arch::commit_load;
		3787
		3788	$status
		3789	}
		3790
		3791	sub reload_exp_table {
		3792	_reload_exp_table;
		3793
		3794	cf::face::set
		3795	"res/exp_table" => FT_RSRC,
		3796	JSON::XS->new->utf8->canonical->encode (
		3797	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3798	);
		3799	}
		3800
		3801	sub reload_materials {
		3802	_reload_materials;
		3803	}
		3804
2581	sub reload_regions {	3805	sub reload_regions {
		3806	# HACK to clear player env face cache, we need some signal framework
		3807	# for this (global event?)
		3808	%ext::player_env::MUSIC_FACE_CACHE = ();
		3809
2582	load_resource_file "$MAPDIR/regions"	3810	load_resource_file "$MAPDIR/regions"
2583	or die "unable to load regions file\n";	3811	or die "unable to load regions file\n";
		3812
		3813	for (cf::region::list) {
		3814	$_->{match} = qr/$_->{match}/
		3815	if exists $_->{match};
		3816	}
2584	}	3817	}
2585		3818
2586	sub reload_facedata {	3819	sub reload_facedata {
2587	load_facedata "$DATADIR/facedata"	3820	load_facedata $DATADIR
2588	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
2589	}	3822	}
2590		3823
2591	sub reload_archetypes {	3824	sub reload_archetypes {
2592	load_resource_file "$DATADIR/archetypes"	3825	load_resource_file "$DATADIR/archetypes"
2593	or die "unable to load archetypes\n";	3826	or die "unable to load archetypes\n";
		3827
		3828	cf::face::set
		3829	"res/skill_info" => FT_RSRC,
		3830	JSON::XS->new->utf8->canonical->encode (
		3831	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3832	);
		3833
		3834	cf::face::set
		3835	"res/spell_paths" => FT_RSRC,
		3836	JSON::XS->new->utf8->canonical->encode (
		3837	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3838	);
		3839
		3840	# command completion
		3841	my @commands;
		3842
		3843	for (0..cf::arch::skillvec_size - 1) {
		3844	my $skill = cf::arch::skillvec $_;
		3845	my $name = $skill->name;
		3846	my $flags = cf::skill_flags $skill->subtype;
		3847
		3848	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3849	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3850	}
		3851
		3852	cf::client::set_command_face skill => \@commands;
2594	}	3853	}
2595		3854
2596	sub reload_treasures {	3855	sub reload_treasures {
2597	load_resource_file "$DATADIR/treasures"	3856	load_resource_file "$DATADIR/treasures"
2598	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
2599	}	3858	}
2600		3859
		3860	sub reload_sound {
		3861	trace "loading sound config from $DATADIR/sound\n";
		3862
		3863	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3864
		3865	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3866	my $sound = $soundconf->{compat}[$_]
		3867	or next;
		3868
		3869	my $face = cf::face::find "sound/$sound->[1]";
		3870	cf::sound::set $sound->[0] => $face;
		3871	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3872	}
		3873
		3874	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3875	my $face = cf::face::find "sound/$v";
		3876	cf::sound::set $k => $face;
		3877	}
		3878	}
		3879
2601	sub reload_resources {	3880	sub reload_resources {
2602	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
2603		3882
		3883	reload_materials;
		3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
		3887	reload_archetypes;
2604	reload_regions;	3888	reload_regions;
2605	reload_facedata;
2606	#reload_archetypes;#d#
2607	reload_archetypes;
2608	reload_treasures;	3889	reload_treasures;
2609		3890
2610	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
2611	}	3892	}
2612		3893
2613	sub init {	3894	sub reload_config {
2614	reload_resources;	3895	trace "reloading config file...\n";
2615	}
2616		3896
2617	sub cfg_load {	3897	my $config = load_file "$CONFDIR/config";
2618	open my $fh, "<:utf8", "$CONFDIR/config"	3898	utf8::decode $config;
2619	or return;	3899	*CFG = decode_yaml $config;
2620		3900
2621	local $/;
2622	*CFG = YAML::Syck::Load <$fh>;
2623
2624	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2625		3902
2626	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3903	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2627	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3904	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2628		3905
2629	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
2633	};	3910	};
2634	warn $@ if $@;	3911	warn $@ if $@;
2635	}	3912	}
2636	}	3913	}
2637		3914
		3915	sub pidfile() {
		3916	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3917	or die "$PIDFILE: $!";
		3918	flock $fh, &Fcntl::LOCK_EX
		3919	or die "$PIDFILE: flock: $!";
		3920	$fh
		3921	}
		3922
		3923	# make sure only one server instance is running at any one time
		3924	sub atomic {
		3925	my $fh = pidfile;
		3926
		3927	my $pid = <$fh>;
		3928	kill 9, $pid if $pid > 0;
		3929
		3930	seek $fh, 0, 0;
		3931	print $fh $$;
		3932	}
		3933
		3934	sub main_loop {
		3935	trace "EV::run starting\n";
		3936	if (1) {
		3937	EV::run;
		3938	}
		3939	trace "EV::run returned\n";
		3940	goto &main_loop unless $REALLY_UNLOOP;
		3941	}
		3942
2638	sub main {	3943	sub main {
		3944	cf::init_globals; # initialise logging
		3945
		3946	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3947	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3948	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3949	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3950
		3951	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3952
2639	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
2640	local $Coro::idle = sub {	3954	$Coro::idle = sub {
2641	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3955	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2642	(async {	3956	(async {
2643	Event::one_event;	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3958	EV::run EV::RUN_ONCE;
2644	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
2645	};	3960	};
2646		3961
2647	cfg_load;	3962	evthread_start IO::AIO::poll_fileno;
		3963
		3964	cf::sync_job {
		3965	cf::incloader::init ();
		3966
2648	db_init;	3967	db_init;
		3968
		3969	cf::init_anim;
		3970	cf::init_attackmess;
		3971	cf::init_dynamic;
		3972
		3973	cf::load_settings;
		3974
		3975	reload_resources;
		3976	reload_config;
		3977
		3978	cf::init_uuid;
		3979	cf::init_signals;
		3980	cf::init_skills;
		3981
		3982	cf::init_beforeplay;
		3983
		3984	atomic;
		3985
2649	load_extensions;	3986	load_extensions;
2650		3987
2651	$TICK_WATCHER->start;	3988	utime time, time, $RUNTIMEFILE;
2652	Event::loop;	3989
		3990	# no (long-running) fork's whatsoever before this point(!)
		3991	use POSIX ();
		3992	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3993
		3994	cf::_post_init 0;
		3995	};
		3996
		3997	cf::object::thawer::errors_are_fatal 0;
		3998	info "parse errors in files are no longer fatal from this point on.\n";
		3999
		4000	AE::postpone {
		4001	undef &main; # free gobs of memory :)
		4002	};
		4003
		4004	goto &main_loop;
2653	}	4005	}
2654		4006
2655	#############################################################################	4007	#############################################################################
2656	# initialisation and cleanup	4008	# initialisation and cleanup
2657		4009
2658	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
2659	BEGIN {	4011	BEGIN {
		4012	our %SIGWATCHER = ();
2660	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
2661	Event->signal (	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2662	reentrant => 0,
2663	data => WF_AUTOCANCEL,
2664	signal => $signal,
2665	prio => 0,
2666	cb => sub {
2667	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
2668	},
2669	);	4016	};
2670	}	4017	}
2671	}	4018	}
2672		4019
2673	sub write_runtime {	4020	sub write_runtime_sync {
2674	my $runtime = "$LOCALDIR/runtime";	4021	my $t0 = AE::time;
2675		4022
2676	# first touch the runtime file to show we are still running:	4023	# first touch the runtime file to show we are still running:
2677	# the fsync below can take a very very long time.	4024	# the fsync below can take a very very long time.
2678		4025
2679	IO::AIO::aio_utime $runtime, undef, undef;	4026	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2680		4027
2681	my $guard = cf::lock_acquire "write_runtime";	4028	my $guard = cf::lock_acquire "write_runtime";
2682		4029
2683	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4030	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2684	or return;	4031	or return;
2685		4032
2686	my $value = $cf::RUNTIME + 90 + 10;	4033	my $value = $cf::RUNTIME + 90 + 10;
2687	# 10 is the runtime save interval, for a monotonic clock	4034	# 10 is the runtime save interval, for a monotonic clock
2688	# 60 allows for the watchdog to kill the server.	4035	# 60 allows for the watchdog to kill the server.
…		…
2698	aio_utime $fh, undef, undef;	4045	aio_utime $fh, undef, undef;
2699		4046
2700	close $fh	4047	close $fh
2701	or return;	4048	or return;
2702		4049
2703	aio_rename "$runtime~", $runtime	4050	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2704	and return;	4051	and return;
2705		4052
2706	warn "runtime file written.\n";	4053	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2707		4054
2708	1	4055	1
		4056	}
		4057
		4058	our $uuid_lock;
		4059	our $uuid_skip;
		4060
		4061	sub write_uuid_sync($) {
		4062	$uuid_skip ||= $_[0];
		4063
		4064	return if $uuid_lock;
		4065	local $uuid_lock = 1;
		4066
		4067	my $uuid = "$LOCALDIR/uuid";
		4068
		4069	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4070	or return;
		4071
		4072	my $value = uuid_seq uuid_cur;
		4073
		4074	unless ($value) {
		4075	info "cowardly refusing to write zero uuid value!\n";
		4076	return;
		4077	}
		4078
		4079	my $value = uuid_str $value + $uuid_skip;
		4080	$uuid_skip = 0;
		4081
		4082	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4083	and return;
		4084
		4085	# always fsync - this file is important
		4086	aio_fsync $fh
		4087	and return;
		4088
		4089	close $fh
		4090	or return;
		4091
		4092	aio_rename "$uuid~", $uuid
		4093	and return;
		4094
		4095	trace "uuid file written ($value).\n";
		4096
		4097	1
		4098
		4099	}
		4100
		4101	sub write_uuid($$) {
		4102	my ($skip, $sync) = @_;
		4103
		4104	$sync ? write_uuid_sync $skip
		4105	: async { write_uuid_sync $skip };
2709	}	4106	}
2710		4107
2711	sub emergency_save() {	4108	sub emergency_save() {
2712	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
2713		4110
2714	warn "enter emergency perl save\n";	4111	info "emergency_perl_save: enter\n";
		4112
		4113	# this is a trade-off: we want to be very quick here, so
		4114	# save all maps without fsync, and later call a global sync
		4115	# (which in turn might be very very slow)
		4116	local $USE_FSYNC = 0;
2715		4117
2716	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
2717	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
2718	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
2719	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
2720	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
2721	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
2722	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
2723	$pl->valid or next;	4127	$pl->valid or next;
		4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2724	$pl->save;	4129	$pl->save;
2725	}	4130	}
2726	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
2727		4132
2728	warn "begin emergency map save\n";	4133	cf::write_runtime_sync; # external watchdog should not bark
		4134
		4135	info "emergency_perl_save: begin map save\n";
2729	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
2730	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
2731	$map->valid or next;	4138	$map->valid or next;
2732	$map->save;	4139	$map->save;
2733	}	4140	}
2734	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
2735		4142
2736	warn "begin emergency database checkpoint\n";	4143	cf::write_runtime_sync; # external watchdog should not bark
		4144
		4145	info "emergency_perl_save: begin database checkpoint\n";
2737	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
2738	warn "end emergency database checkpoint\n";	4147	info "emergency_perl_save: end database checkpoint\n";
		4148
		4149	info "emergency_perl_save: begin write uuid\n";
		4150	write_uuid_sync 1;
		4151	info "emergency_perl_save: end write uuid\n";
		4152
		4153	cf::write_runtime_sync; # external watchdog should not bark
		4154
		4155	trace "emergency_perl_save: syncing database to disk";
		4156	BDB::db_env_txn_checkpoint $DB_ENV;
		4157
		4158	info "emergency_perl_save: starting sync\n";
		4159	IO::AIO::aio_sync sub {
		4160	info "emergency_perl_save: finished sync\n";
		4161	};
		4162
		4163	cf::write_runtime_sync; # external watchdog should not bark
		4164
		4165	trace "emergency_perl_save: flushing outstanding aio requests";
		4166	while (IO::AIO::nreqs || BDB::nreqs) {
		4167	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4168	}
		4169
		4170	cf::write_runtime_sync; # external watchdog should not bark
2739	};	4171	};
2740		4172
2741	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
2742	}	4174	}
2743		4175
2744	sub post_cleanup {	4176	sub post_cleanup {
2745	my ($make_core) = @_;	4177	my ($make_core) = @_;
2746		4178
		4179	IO::AIO::flush;
		4180
2747	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
2748	if $make_core;	4182	if $make_core;
		4183
		4184	my $fh = pidfile;
		4185	unlink $PIDFILE if <$fh> == $$;
		4186	}
		4187
		4188	# a safer delete_package, copied from Symbol
		4189	sub clear_package($) {
		4190	my $pkg = shift;
		4191
		4192	# expand to full symbol table name if needed
		4193	unless ($pkg =~ /^main::.*::$/) {
		4194	$pkg = "main$pkg" if $pkg =~ /^::/;
		4195	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4196	$pkg .= '::' unless $pkg =~ /::$/;
		4197	}
		4198
		4199	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4200	my $stem_symtab = *{$stem}{HASH};
		4201
		4202	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4203	or return;
		4204
		4205	# clear all symbols
		4206	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4207	for my $name (keys %$leaf_symtab) {
		4208	_gv_clear *{"$pkg$name"};
		4209	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4210	}
2749	}	4211	}
2750		4212
2751	sub do_reload_perl() {	4213	sub do_reload_perl() {
2752	# can/must only be called in main	4214	# can/must only be called in main
2753	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
2754	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
2755	return;	4217	return;
2756	}	4218	}
2757		4219
2758	warn "reloading...";	4220	return if $RELOAD++;
2759		4221
2760	warn "entering sync_job";	4222	my $t1 = AE::time;
2761		4223
		4224	while ($RELOAD) {
		4225	cf::get_slot 0.1, -1, "reload_perl";
		4226	info "perl_reload: reloading...";
		4227
		4228	trace "perl_reload: entering sync_job";
		4229
2762	cf::sync_job {	4230	cf::sync_job {
2763	cf::write_runtime; # external watchdog should not bark
2764	cf::emergency_save;	4231	#cf::emergency_save;
2765	cf::write_runtime; # external watchdog should not bark
2766		4232
2767	warn "syncing database to disk";
2768	BDB::db_env_txn_checkpoint $DB_ENV;
2769
2770	# if anything goes wrong in here, we should simply crash as we already saved
2771
2772	warn "cancelling all WF_AUTOCANCEL watchers";
2773	for (Event::all_watchers) {
2774	$_->cancel if $_->data & WF_AUTOCANCEL;
2775	}
2776
2777	warn "flushing outstanding aio requests";
2778	for (;;) {
2779	BDB::flush;
2780	IO::AIO::flush;
2781	Coro::cede;
2782	last unless IO::AIO::nreqs || BDB::nreqs;
2783	warn "iterate...";
2784	}
2785
2786	++$RELOAD;
2787
2788	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
2789	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
2790	%EXT_CORO = ();	4235	%EXT_CORO = ();
2791		4236
2792	warn "removing commands";	4237	trace "perl_reload: removing commands";
2793	%COMMAND = ();	4238	%COMMAND = ();
2794		4239
2795	warn "removing ext commands";	4240	trace "perl_reload: removing ext/exti commands";
2796	%EXTCMD = ();	4241	%EXTCMD = ();
		4242	%EXTICMD = ();
2797		4243
2798	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
2799	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
2800	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
2801		4247
2802	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
2803	eval {	4249	eval {
2804	$cb->($pkg);	4250	$cb->($pkg);
2805	1	4251	1
2806	} or warn "$pkg unloaded, but with errors: $@";	4252	} or error "$pkg unloaded, but with errors: $@";
		4253	}
		4254
		4255	trace "... clearing $pkg";
		4256	clear_package $pkg;
2807	}	4257	}
2808		4258
2809	warn "... nuking $pkg";
2810	Symbol::delete_package $pkg;
2811	}
2812
2813	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2814	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
2815	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2816		4262
2817	warn "... unloading $k";	4263	trace "... unloading $k";
2818	delete $INC{$k};	4264	delete $INC{$k};
2819		4265
2820	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
2821	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
2822		4268
2823	if (my $cb = $k->can ("unload_module")) {	4269	if (my $cb = $k->can ("unload_module")) {
2824	$cb->();	4270	$cb->();
		4271	}
		4272
		4273	clear_package $k;
2825	}	4274	}
2826		4275
2827	Symbol::delete_package $k;
2828	}
2829
2830	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
2831	Symbol::delete_package "safe::$_"	4277	clear_package "safe::$_"
2832	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4278	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2833		4279
2834	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
2835	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
2836	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2837		4283
2838	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
2839	# and global variables created in xs	4285	# and global variables created in xs
2840	#Symbol::delete_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
2841		4287
2842	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
2843		4289
2844	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
2845	require cf;	4291	require cf;
2846	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
2847		4293
2848	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
2849	cf::cfg_load;	4295	cf::reload_config;
2850		4296
2851	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
2852	cf::load_extensions;	4298	cf::load_extensions;
2853		4299
		4300	if ($REATTACH_ON_RELOAD) {
2854	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
2855	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
2856	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
2857	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
2858	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
2859	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
		4307	}
2860		4308
2861	warn "leaving sync_job";	4309	cf::_post_init 1;
2862		4310
		4311	trace "perl_reload: leaving sync_job";
		4312
2863	1	4313	1
2864	} or do {	4314	} or do {
2865	warn $@;	4315	error $@;
2866	warn "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
2867	exit 1;	4317	};
		4318
		4319	--$RELOAD;
2868	};	4320	}
2869		4321
2870	warn "reloaded";	4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
2871	};	4324	};
2872		4325
2873	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
2874		4327
2875	sub reload_perl() {	4328	sub reload_perl() {
2876	# doing reload synchronously and two reloads happen back-to-back,	4329	# doing reload synchronously and two reloads happen back-to-back,
2877	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
2878		4331
2879	$RELOAD_WATCHER ||= Event->timer (	4332	$RELOAD_WATCHER ||= cf::async {
2880	reentrant => 0,	4333	Coro::AIO::aio_wait cache_extensions;
2881	after => 0,	4334
2882	data => WF_AUTOCANCEL,	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2883	cb => sub {
2884	do_reload_perl;	4336	do_reload_perl;
2885	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
2886	},	4338	};
2887	);	4339	};
2888	}	4340	}
2889		4341
2890	register_command "reload" => sub {	4342	register_command "reload" => sub {
2891	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
2892		4344
2893	if ($who->flag (FLAG_WIZ)) {	4345	if ($who->flag (FLAG_WIZ)) {
2894	$who->message ("reloading server.");	4346	$who->message ("reloading server.");
		4347	async {
		4348	$Coro::current->{desc} = "perl_reload";
2895	async { reload_perl };	4349	reload_perl;
		4350	};
2896	}	4351	}
2897	};	4352	};
2898		4353
2899	unshift @INC, $LIBDIR;	4354	#############################################################################
2900		4355
2901	my $bug_warning = 0;	4356	my $bug_warning = 0;
2902		4357
2903	our @WAIT_FOR_TICK;
2904	our @WAIT_FOR_TICK_BEGIN;
2905
2906	sub wait_for_tick {	4358	sub wait_for_tick() {
2907	return unless $TICK_WATCHER->is_active;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2908	return if $Coro::current == $Coro::main;
2909		4360
2910	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
2911	push @WAIT_FOR_TICK, $signal;
2912	$signal->wait;
2913	}	4362	}
2914		4363
2915	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
2916	return unless $TICK_WATCHER->is_active;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2917	return if $Coro::current == $Coro::main;
2918		4366
2919	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
2920	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
2921	$signal->wait;	4369	$signal->wait;
2922	}	4370	}
2923		4371
2924	my $min = 1e6;#d#	4372	sub tick {
2925	my $avg = 10;
2926	$TICK_WATCHER = Event->timer (
2927	reentrant => 0,
2928	parked => 1,
2929	prio => 0,
2930	at => $NEXT_TICK || $TICK,
2931	data => WF_AUTOCANCEL,
2932	cb => sub {
2933	if ($Coro::current != $Coro::main) {	4373	if ($Coro::current != $Coro::main) {
2934	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4374	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2935	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
2936	return;	4376	return;
2937	}	4377	}
2938		4378
2939	$NOW = $tick_start = Event::time;	4379	cf::one_tick; # one server iteration
2940		4380
2941	cf::server_tick; # one server iteration	4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2942		4382
2943	0 && sync_job {#d#	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2944	for(1..10) {	4384	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2945	my $t = Event::time;	4385	Coro::async_pool {
2946	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4386	$Coro::current->{desc} = "runtime saver";
2947	or die;	4387	write_runtime_sync
2948		4388	or error "ERROR: unable to write runtime file: $!";
2949	$map->width (50);
2950	$map->height (50);
2951	$map->alloc;
2952	$map->_load_objects ("/tmp/x.map", 1);
2953	my $t = Event::time - $t;
2954
2955	#next unless $t < 0.0013;#d#
2956	if ($t < $min) {
2957	$min = $t;
2958	}
2959	$avg = $avg * 0.99 + $t * 0.01;
2960	}
2961	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2962	exit 0;
2963	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2964	};	4389	};
		4390	}
2965		4391
2966	$RUNTIME += $TICK;
2967	$NEXT_TICK += $TICK;
2968
2969	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2970	$NEXT_RUNTIME_WRITE = $NOW + 10;
2971	Coro::async_pool {
2972	write_runtime
2973	or warn "ERROR: unable to write runtime file: $!";
2974	};
2975	}
2976
2977	# my $AFTER = Event::time;
2978	# warn $AFTER - $NOW;#d#
2979
2980	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2981	$sig->send;	4393	$sig->send;
2982	}	4394	}
2983	while (my $sig = shift @WAIT_FOR_TICK) {	4395	$WAIT_FOR_TICK->broadcast;
2984	$sig->send;
2985	}
2986		4396
2987	$NOW = Event::time;	4397	$LOAD = ($NOW - $TICK_START) / $TICK;
2988
2989	# if we are delayed by four ticks or more, skip them all
2990	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2991
2992	$TICK_WATCHER->at ($NEXT_TICK);
2993	$TICK_WATCHER->start;
2994
2995	$LOAD = ($NOW - $tick_start) / $TICK;
2996	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2997		4399
2998	_post_tick;	4400	if (0) {
2999		4401	if ($NEXT_TICK) {
3000		4402	my $jitter = $TICK_START - $NEXT_TICK;
		4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4404	debug "jitter $JITTER\n";#d#
		4405	}
3001	},	4406	}
3002	);	4407	}
3003		4408
3004	{	4409	{
3005	BDB::max_poll_time $TICK * 0.1;	4410	# configure BDB
3006	$BDB_POLL_WATCHER = Event->io (	4411	info "initialising database";
3007	reentrant => 0,	4412
3008	fd => BDB::poll_fileno,
3009	poll => 'r',
3010	prio => 0,
3011	data => WF_AUTOCANCEL,
3012	cb => \&BDB::poll_cb,
3013	);
3014	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
3015		4414	BDB::max_poll_reqs $TICK * 0.1;
3016	BDB::set_sync_prepare {	4415	#$AnyEvent::BDB::WATCHER->priority (1);
3017	my $status;
3018	my $current = $Coro::current;
3019	(
3020	sub {
3021	$status = $!;
3022	$current->ready; undef $current;
3023	},
3024	sub {
3025	Coro::schedule while defined $current;
3026	$! = $status;
3027	},
3028	)
3029	};
3030		4416
3031	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
3032	$DB_ENV = BDB::db_env_create;	4418	$DB_ENV = BDB::db_env_create;
		4419	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4420	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4421	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4422	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4423	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3033		4424
3034	cf::sync_job {	4425	cf::sync_job {
3035	eval {	4426	eval {
3036	BDB::db_env_open	4427	BDB::db_env_open
3037	$DB_ENV,	4428	$DB_ENV,
…		…
3039	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4430	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3040	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4431	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3041	0666;	4432	0666;
3042		4433
3043	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4434	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3044
3045	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3046	$DB_ENV->set_lk_detect;
3047	};	4435	};
3048		4436
3049	cf::cleanup "db_env_open(db): $@" if $@;	4437	cf::cleanup "db_env_open(db): $@" if $@;
3050	};	4438	};
3051	}	4439	}
		4440
		4441	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4442	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4443	};
		4444	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4445	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4446	};
		4447	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4448	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4449	};
		4450
		4451	info "database initialised";
3052	}	4452	}
3053		4453
3054	{	4454	{
		4455	# configure IO::AIO
		4456
		4457	info "initialising aio";
3055	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
3056
3057	undef $Coro::AIO::WATCHER;
3058	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
3059	$AIO_POLL_WATCHER = Event->io (	4460	undef $AnyEvent::AIO::WATCHER;
3060	reentrant => 0,	4461	info "aio initialised";
3061	data => WF_AUTOCANCEL,
3062	fd => IO::AIO::poll_fileno,
3063	poll => 'r',
3064	prio => 6,
3065	cb => \&IO::AIO::poll_cb,
3066	);
3067	}	4462	}
3068		4463
3069	my $_log_backtrace;	4464	our $_log_backtrace;
		4465	our $_log_backtrace_last;
3070		4466
3071	sub _log_backtrace {	4467	sub _log_backtrace {
3072	my ($msg, @addr) = @_;	4468	my ($msg, @addr) = @_;
3073		4469
3074	$msg =~ s/\n//;	4470	$msg =~ s/\n$//;
3075		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3076	# limit the # of concurrent backtraces	4475	# limit the # of concurrent backtraces
3077	if ($_log_backtrace < 2) {	4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
3078	++$_log_backtrace;	4478	++$_log_backtrace;
		4479	my $perl_bt = Carp::longmess $msg;
3079	async {	4480	async {
		4481	$Coro::current->{desc} = "abt $msg";
		4482
3080	my @bt = fork_call {	4483	my @bt = fork_call {
3081	@addr = map { sprintf "%x", $_ } @addr;	4484	@addr = map { sprintf "%x", $_ } @addr;
3082	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4485	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3083	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4486	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3084	or die "addr2line: $!";	4487	or die "addr2line: $!";
…		…
3092	}	4495	}
3093		4496
3094	@funcs	4497	@funcs
3095	};	4498	};
3096		4499
3097	LOG llevInfo, "[ABT] $msg\n";	4500	LOG llevInfo, "[ABT] $perl_bt\n";
		4501	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3098	LOG llevInfo, "[ABT] $_\n" for @bt;	4502	LOG llevInfo, "[ABT] $_\n" for @bt;
3099	--$_log_backtrace;	4503	--$_log_backtrace;
3100	};	4504	};
3101	} else {	4505	} else {
3102	LOG llevInfo, "[ABT] $msg\n";	4506	LOG llevInfo, "[ABT] $msg\n";
3103	LOG llevInfo, "[ABT] [suppressed]\n";	4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3104	}	4508	}
3105	}	4509	}
3106		4510
3107	# load additional modules	4511	# load additional modules
3108	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
3109		4514
3110	END { cf::emergency_save }	4515	END { cf::emergency_save }
3111		4516
3112	1	4517	1
3113		4518

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