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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.276 by root, Sun Jun 10 04:05:47 2007 UTC vs.
Revision 1.586 by root, Wed Oct 31 15:02:02 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	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	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$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		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	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	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		135
		136	our $UPTIME; $UPTIME ||= time;
		137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
77	our $NOW;	139	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		140
80	our $BDB_POLL_WATCHER;	141	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	142	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	143	our $LINK_MAP; # the special {link} map, which is always available
91		144
92	# used to convert map paths into valid unix filenames by replacing / by ∕	145	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		147
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	151	our $TICK_START; # for load detecting purposes
		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
98		160
99	binmode STDOUT;	161	binmode STDOUT;
100	binmode STDERR;	162	binmode STDERR;
101		163
102	# read virtual server time, if available	164	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	166	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
107	}	169	}
		170
		171	eval "sub TICK() { $TICK } 1" or die;
108		172
109	mkdir $_	173	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		175
112	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
113		177
114	sub cf::map::normalise;	178	sub cf::map::normalise;
115		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
116	#############################################################################	184	#############################################################################
117		185
		186	%REFLECT = ();
		187	for (@REFLECT) {
		188	my $reflect = JSON::XS::decode_json $_;
		189	$REFLECT{$reflect->{class}} = $reflect;
		190	}
		191
		192	# this is decidedly evil
		193	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		194
		195	#############################################################################
		196
118	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
119		198
120	=over 4	199	=over 4
121		200
122	=item $cf::UPTIME	201	=item $cf::UPTIME
123		202
124	The timestamp of the server start (so not actually an uptime).	203	The timestamp of the server start (so not actually an "uptime").
		204
		205	=item $cf::SERVER_TICK
		206
		207	An unsigned integer that starts at zero when the server is started and is
		208	incremented on every tick.
		209
		210	=item $cf::NOW
		211
		212	The (real) time of the last (current) server tick - updated before and
		213	after tick processing, so this is useful only as a rough "what time is it
		214	now" estimate.
		215
		216	=item $cf::TICK
		217
		218	The interval between each server tick, in seconds.
125		219
126	=item $cf::RUNTIME	220	=item $cf::RUNTIME
127		221
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	222	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	223	every server tick.
…		…
135	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
138	database environment.	232	database environment.
139		233
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	234	=item $cf::LOADAVG
149		235
150	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
155		241
156	The raw value load value from the last tick.	242	The raw value load value from the last tick.
157		243
158	=item %cf::CFG	244	=item %cf::CFG
159		245
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	247	from wherever your confdir points to.
162		248
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		250
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
		272	=item @cf::INVOKE_RESULTS
		273
		274	This array contains the results of the last C<invoke ()> call. When
		275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		276	that call.
		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
		283
169	=back	284	=back
170		285
171	=cut	286	=cut
172		287
173	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	289	sub warn (@) { LOG llevWarn , join "", @_ }
		290	sub info (@) { LOG llevInfo , join "", @_ }
		291	sub debug(@) { LOG llevDebug, join "", @_ }
		292	sub trace(@) { LOG llevTrace, join "", @_ }
		293
		294	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	295	my $msg = join "", @_;
176		296
177	$msg .= "\n"	297	$msg .= "\n"
178	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
179		299
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		301
182	utf8::encode $msg;
183	LOG llevError, $msg;	302	LOG llevWarn, $msg;
184	};	303	};
185	}	304
		305	$Coro::State::DIEHOOK = sub {
		306	return unless $^S eq 0; # "eq", not "=="
		307
		308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
		311	error "DIEHOOK called in main context, Coro bug?\n";#d#
		312	return;#d#
		313	}#d#
		314
		315	# kill coroutine otherwise
		316	Coro::terminate
		317	};
186		318
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	329	for my $pkg (qw(
198	cf::global cf::attachable	330	cf::global cf::attachable
199	cf::object cf::object::player	331	cf::object cf::object::player
200	cf::client cf::player	332	cf::client cf::player
201	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
202	cf::map cf::party cf::region	335	cf::party cf::region
203	)) {	336	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	338	}
207		339
208	$Event::DIED = sub {	340	$EV::DIED = sub {
209	warn "error in event callback: @_";	341	warn "error in event callback: $@";
210	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
211		350
212	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
213		352
214	=over 4	353	=over 4
215		354
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	374	$d
236	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
237	}	376	}
238		377
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	378	=item $scalar = cf::load_file $path
240		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($path, $data, $sync) = @_;
		401
		402	my $lock = cf::lock_acquire ("replace_file:$path");
		403
		404	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		405	or return;
		406
		407	$data = $data->() if ref $data;
		408
		409	length $data == aio_write $fh, 0, (length $data), $data, 0
		410	or return;
		411
		412	!$sync
		413	or !aio_fsync $fh
		414	or return;
		415
		416	aio_close $fh
		417	and return;
		418
		419	aio_rename "$path~", $path
		420	and return;
		421
		422	if ($sync) {
		423	$path =~ s%/[^/]*$%%;
		424	aio_pathsync $path;
		425	}
		426
		427	1
		428	}
		429
241	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
242		431
243	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
244		433
245	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
246		435
247	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
248		437
		438	=cut
		439
		440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		441
		442	sub encode_json($) { $json_coder->encode ($_[0]) }
		443	sub decode_json($) { $json_coder->decode ($_[0]) }
		444
		445	=item $ref = cf::decode_storable $scalar
		446
		447	Same as Coro::Storable::thaw, so blocks.
		448
		449	=cut
		450
		451	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		452
		453	=item $ref = cf::decode_yaml $scalar
		454
		455	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		456
		457	=cut
		458
		459	sub decode_yaml($) {
		460	fork_call { YAML::XS::Load $_[0] } @_
		461	}
		462
		463	=item $scalar = cf::unlzf $scalar
		464
		465	Same as Compress::LZF::compress, but takes server ticks into account, so
		466	blocks.
		467
		468	=cut
		469
		470	sub unlzf($) {
		471	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		472	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		473	Compress::LZF::decompress $_[0]
		474	}
		475
		476	=item cf::post_init { BLOCK }
		477
		478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		479	but I<before> the server starts ticking again.
		480
		481	The codeblock will have a single boolean argument to indicate whether this
		482	is a reload or not.
		483
		484	=cut
		485
		486	sub post_init(&) {
		487	push @POST_INIT, shift;
		488	}
		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
		505	}
		506
249	=item cf::lock_wait $string	507	=item cf::lock_wait $string
250		508
251	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
252		510
253	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
254		512
255	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
258	returned.	516	returned.
259		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
260	Lock names should begin with a unique identifier (for example, cf::map::find	521	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
262		523
263	=item $locked = cf::lock_active $string	524	=item $locked = cf::lock_active $string
264		525
265	Return true if the lock is currently active, i.e. somebody has locked it.	526	Return true if the lock is currently active, i.e. somebody has locked it.
266		527
267	=cut	528	=cut
268		529
269	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
270		531
271	sub lock_wait($) {	532	sub lock_wait($) {
272	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	534	}
280		535
281	sub lock_acquire($) {	536	sub lock_acquire($) {
282	my ($key) = @_;	537	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	538	}
294		539
295	sub lock_active($) {	540	sub lock_active($) {
296	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	542	}
300		543
301	sub freeze_mainloop {	544	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
303		546
304	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	548	}
		549
		550	=item cf::periodic $interval, $cb
		551
		552	Like EV::periodic, but randomly selects a starting point so that the actions
		553	get spread over time.
		554
		555	=cut
		556
		557	sub periodic($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
306	};	617	}
307	$TICK_WATCHER->stop;	618	};
308	$guard	619
		620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
		623	my ($time, $pri, $name) = @_;
		624
		625	$time = clamp $time, 0.01, $TICK * .6;
		626
		627	my $sig = new Coro::Signal;
		628
		629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		631	$SLOT_QUEUE->ready;
		632	$sig->wait;
309	}	633	}
310		634
311	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
312		636
313	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		642
319	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
320		644
321	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
322		646
323	The design of crossfire+ requires that the main coro ($Coro::main) is	647	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	648	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		650	acceptable.
326		651
327	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	654	server will be frozen during this time, so the block should either finish
330	fast or be very important.	655	fast or be very important.
…		…
332	=cut	657	=cut
333		658
334	sub sync_job(&) {	659	sub sync_job(&) {
335	my ($job) = @_;	660	my ($job) = @_;
336		661
337	if ($Coro::current == $Coro::main) {	662	if (in_main) {
338	my $time = Event::time;	663	my $time = AE::time;
339		664
340	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
342		667
343	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	669
345	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
346		671
347	my $busy = 1;	672	my $busy = 1;
348	my @res;	673	my @res;
349		674
350	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	677	@res = eval { $job->() };
352	warn $@ if $@;	678	error $@ if $@;
353	undef $busy;	679	undef $busy;
354	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
355		681
356	while ($busy) {	682	while ($busy) {
357	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
358	}	687	}
		688	}
359		689
360	$time = Event::time - $time;	690	my $time = AE::time - $time;
361		691
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
366		693
367	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
368	} else {	695	} else {
369	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
370		697
…		…
390	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
391		718
392	$coro	719	$coro
393	}	720	}
394		721
395	sub write_runtime {	722	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		723
398	# first touch the runtime file to show we are still running:	724	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	725	process, returning the results. Everything must be serialisable with
		726	Coro::Storable. May, of course, block. Note that the executed sub may
		727	never block itself or use any form of event handling.
400		728
401	IO::AIO::aio_utime $runtime, undef, undef;	729	=cut
402		730
403	my $guard = cf::lock_acquire "write_runtime";	731	sub post_fork {
		732	reset_signals;
		733	}
404		734
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	735	sub fork_call(&@) {
406	or return;	736	my ($cb, @args) = @_;
407		737
408	my $value = $cf::RUNTIME + 90 + 10;	738	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	739	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	740	# TODO: investigate and fix (likely this will be rather laborious)
411		741
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	742	my @res = Coro::Util::fork_eval {
413	and return;	743	cf::post_fork;
		744	&$cb
		745	} @args;
414		746
415	# always fsync - this file is important	747	wantarray ? @res : $res[-1]
416	aio_fsync $fh	748	}
417	and return;
418		749
419	# touch it again to show we are up-to-date	750	sub objinfo {
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	751	(
		752	"counter value" => cf::object::object_count,
		753	"objects created" => cf::object::create_count,
		754	"objects destroyed" => cf::object::destroy_count,
		755	"freelist size" => cf::object::free_count,
		756	"allocated objects" => cf::object::objects_size,
		757	"active objects" => cf::object::actives_size,
		758	)
		759	}
		760
		761	=item $coin = coin_from_name $name
		762
		763	=cut
		764
		765	our %coin_alias = (
		766	"silver" => "silvercoin",
		767	"silvercoin" => "silvercoin",
		768	"silvercoins" => "silvercoin",
		769	"gold" => "goldcoin",
		770	"goldcoin" => "goldcoin",
		771	"goldcoins" => "goldcoin",
		772	"platinum" => "platinacoin",
		773	"platinumcoin" => "platinacoin",
		774	"platinumcoins" => "platinacoin",
		775	"platina" => "platinacoin",
		776	"platinacoin" => "platinacoin",
		777	"platinacoins" => "platinacoin",
		778	"royalty" => "royalty",
		779	"royalties" => "royalty",
		780	);
		781
		782	sub coin_from_name($) {
		783	$coin_alias{$_[0]}
		784	? cf::arch::find $coin_alias{$_[0]}
		785	: undef
		786	}
		787
		788	=item $value = cf::db_get $family => $key
		789
		790	Returns a single value from the environment database.
		791
		792	=item cf::db_put $family => $key => $value
		793
		794	Stores the given C<$value> in the family. It can currently store binary
		795	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		796
		797	=item $db = cf::db_table "name"
		798
		799	Create and/or open a new database table. The string must not be "db" and must be unique
		800	within each server.
		801
		802	=cut
		803
		804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
		808	my ($name) = @_;
		809	my $db = BDB::db_create $DB_ENV;
		810
		811	eval {
		812	$db->set_flags (BDB::CHKSUM);
		813
		814	utf8::encode $name;
		815	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		816	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		817	cf::cleanup "db_open(db): $!" if $!;
		818	};
		819	cf::cleanup "db_open(db): $@" if $@;
		820
		821	$db
		822	}
		823
		824	our $DB;
		825
		826	sub db_init {
		827	$DB ||= db_table "db";
		828	}
		829
		830	sub db_get($$) {
		831	my $key = "$_[0]/$_[1]";
		832
		833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
		836	BDB::db_get $DB, undef, $key, my $data;
		837
		838	$! ? ()
		839	: $data
		840	}
		841
		842	sub db_put($$$) {
		843	BDB::dbreq_pri 4;
		844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		845	}
		846
		847	=item cf::cache $id => [$paths...], $processversion => $process
		848
		849	Generic caching function that returns the value of the resource $id,
		850	caching and regenerating as required.
		851
		852	This function can block.
		853
		854	=cut
		855
		856	sub cache {
		857	my ($id, $src, $processversion, $process) = @_;
		858
		859	my $meta =
		860	join "\x00",
		861	$processversion,
		862	map {
		863	aio_stat $_
		864	and Carp::croak "$_: $!";
		865
		866	($_, (stat _)[7,9])
		867	} @$src;
		868
		869	my $dbmeta = db_get cache => "$id/meta";
		870	if ($dbmeta ne $meta) {
		871	# changed, we may need to process
		872
		873	my @data;
		874	my $md5;
		875
		876	for (0 .. $#$src) {
		877	$data[$_] = load_file $src->[$_];
		878	}
		879
		880	# if processing is expensive, check
		881	# checksum first
		882	if (1) {
		883	$md5 =
		884	join "\x00",
		885	$processversion,
		886	map {
		887	cf::cede_to_tick;
		888	($src->[$_], Digest::MD5::md5_hex $data[$_])
		889	} 0.. $#$src;
		890
		891
		892	my $dbmd5 = db_get cache => "$id/md5";
		893	if ($dbmd5 eq $md5) {
		894	db_put cache => "$id/meta", $meta;
		895
		896	return db_get cache => "$id/data";
		897	}
		898	}
		899
		900	my $t1 = Time::HiRes::time;
		901	my $data = $process->(\@data);
		902	my $t2 = Time::HiRes::time;
		903
		904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		905
		906	db_put cache => "$id/data", $data;
		907	db_put cache => "$id/md5" , $md5;
		908	db_put cache => "$id/meta", $meta;
		909
		910	return $data;
		911	}
		912
		913	db_get cache => "$id/data"
431	}	914	}
432		915
433	=item cf::datalog type => key => value, ...	916	=item cf::datalog type => key => value, ...
434		917
435	Log a datalog packet of the given type with the given key-value pairs.	918	Log a datalog packet of the given type with the given key-value pairs.
436		919
437	=cut	920	=cut
438		921
439	sub datalog($@) {	922	sub datalog($@) {
440	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	925	}
443		926
444	=back	927	=back
445		928
446	=cut	929	=cut
447		930
448	#############################################################################	931	#############################################################################
449		932
450	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
451		934
452	Many objects in crossfire are so-called attachable objects. That means you can	935	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	936	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
455		938
456	In the following description, CLASS can be any of C<global>, C<object>	939	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	940	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	941	Deliantra).
459		942
460	=over 4	943	=over 4
461		944
462	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
463		946
…		…
507	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
508		991
509	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
511		994
512	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	996	that are attached at load/instantiate time, thus the need for a name.
514		997
515	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
516		999
517	=over 4	1000	=over 4
…		…
641		1124
642	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1127
645	} elsif (ref $type) {	1128	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
647		1130
648	} else {	1131	} else {
649	shift @arg;	1132	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
651	}	1134	}
652	}	1135	}
653	}	1136	}
654		1137
655	sub _object_attach {	1138	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
666	}	1149	}
667		1150
668	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
669	} else {	1152	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1154	}
672		1155
673	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
674	}	1157	}
675		1158
…		…
715	";	1198	";
716	die if $@;	1199	die if $@;
717	}	1200	}
718		1201
719	our $override;	1202	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1203	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1204
722	sub override {	1205	sub override {
723	$override = 1;	1206	$override = 1;
724	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
725	}	1208	}
726		1209
727	sub do_invoke {	1210	sub do_invoke {
728	my $event = shift;	1211	my $event = shift;
729	my $callbacks = shift;	1212	my $callbacks = shift;
730		1213
731	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
732		1215
733	local $override;	1216	local $override;
734		1217
735	for (@$callbacks) {	1218	for (@$callbacks) {
736	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
737		1220
738	if ($@) {	1221	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1223	override;
742	}	1224	}
743		1225
744	return 1 if $override;	1226	return 1 if $override;
745	}	1227	}
746		1228
747	0	1229	0
748	}	1230	}
749		1231
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1233
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1235
754	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
755		1237
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1238	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1239	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1241
760	=back	1242	=back
761		1243
762	=cut	1244	=cut
763		1245
764	#############################################################################	1246	#############################################################################
765	# object support	1247	# object support
		1248
		1249	sub _object_equal($$);
		1250	sub _object_equal($$) {
		1251	my ($a, $b) = @_;
		1252
		1253	return 0 unless (ref $a) eq (ref $b);
		1254
		1255	if ("HASH" eq ref $a) {
		1256	my @ka = keys %$a;
		1257	my @kb = keys %$b;
		1258
		1259	return 0 if @ka != @kb;
		1260
		1261	for (0 .. $#ka) {
		1262	return 0 unless $ka[$_] eq $kb[$_];
		1263	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1264	}
		1265
		1266	} elsif ("ARRAY" eq ref $a) {
		1267
		1268	return 0 if @$a != @$b;
		1269
		1270	for (0 .. $#$a) {
		1271	return 0 unless _object_equal $a->[$_], $b->[$_];
		1272	}
		1273
		1274	} elsif ($a ne $b) {
		1275	return 0;
		1276	}
		1277
		1278	1
		1279	}
		1280
		1281	our $SLOW_MERGES;#d#
		1282	sub _can_merge {
		1283	my ($ob1, $ob2) = @_;
		1284
		1285	++$SLOW_MERGES;#d#
		1286
		1287	# we do the slow way here
		1288	return _object_equal $ob1, $ob2
		1289	}
766		1290
767	sub reattach {	1291	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1293	my ($obj) = @_;
770		1294
		1295	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1296	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1297
773	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
774		1299
775	@$registry = ();	1300	@$registry = ();
776		1301
…		…
781	for (@$attach) {	1306	for (@$attach) {
782	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
784	}	1309	}
785	} else {	1310	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1312	}
788	}	1313	}
789	}	1314	}
790		1315
791	cf::attachable->attach (	1316	cf::attachable->attach (
792	prio => -1000000,	1317	prio => -1000000,
793	on_instantiate => sub {	1318	on_instantiate => sub {
794	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
795		1320
796	$data = from_json $data;	1321	$data = decode_json $data;
797		1322
798	for (@$data) {	1323	for (@$data) {
799	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
800		1325
801	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1342	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
819		1344
820	sync_job {	1345	sync_job {
821	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
824		1351
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	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;
		1357	aio_fsync $fh;
		1358	}
829	close $fh;	1359	aio_close $fh;
830		1360
831	if (@$objs) {	1361	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1362	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	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;
		1368	aio_fsync $fh;
		1369	}
837	close $fh;	1370	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
839	}	1372	}
840	} else {	1373	} else {
841	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
842	}	1375	}
843		1376
844	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1381	} else {
846	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
847	}	1383	}
848	} else {	1384	} else {
849	aio_unlink $filename;	1385	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
851	}	1387	}
852	}	1388	};
853	}	1389	}
854		1390
855	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
857		1393
…		…
869	or return;	1405	or return;
870		1406
871	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
873	or return;	1409	or return;
		1410
874	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
875	}	1413	}
876		1414
		1415	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
879	return ($data, $av);	1420	($data, $av)
880	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
881		1428
882	#############################################################################	1429	#############################################################################
883	# command handling &c	1430	# command handling &c
884		1431
885	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1446	}
900		1447
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1449
903	Register a callbackf ro execution when the client sends an extcmd packet.	1450	Register a callback for execution when the client sends an (synchronous)
		1451	extcmd packet. Ext commands will be processed in the order they are
		1452	received by the server, like other user commands. The first argument is
		1453	the logged-in player. Ext commands can only be processed after a player
		1454	has logged in successfully.
904		1455
905	If the callback returns something, it is sent back as if reply was being	1456	If the callback returns something, it is sent back as if reply was being
906	called.	1457	called.
907		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
908	=cut	1470	=cut
909		1471
910	sub register_extcmd {	1472	sub register_extcmd {
911	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
912		1474
913	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
914	}	1476	}
915		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
916	cf::player->attach (	1486	cf::player->attach (
917	on_command => sub {	1487	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
919		1489
920	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
921	or return;	1491	or return;
922		1492
…		…
927	cf::override;	1497	cf::override;
928	},	1498	},
929	on_extcmd => sub {	1499	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
931		1501
932	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1503
934	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
940	} else {	1516	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1518	}
943		1519
944	cf::override;	1520	cf::override;
945	},	1521	},
946	);	1522	);
947		1523
		1524	# "readahead" all extensions
948	sub load_extension {	1525	sub cache_extensions {
949	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
950		1527
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1531	}
976	die $@;
977	}	1532	};
978		1533
979	push @EXTS, $pkg;	1534	$grp
		1535	}
		1536
		1537	sub _ext_cfg_reg($$$$) {
		1538	my ($rvar, $varname, $cfgname, $default) = @_;
		1539
		1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
980	}	1546	}
981		1547
982	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
983	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1557	next unless -r $path;
985	eval {	1558
986	load_extension $ext;	1559	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1560	my $base = $1;
		1561	my $pkg = $1;
		1562	$pkg =~ s/[^[:word:]]/_/g;
		1563	$pkg = "ext::$pkg";
		1564
		1565	open my $fh, "<:utf8", $path
		1566	or die "$path: $!";
		1567
		1568	my $source = do { local $/; <$fh> };
		1569
		1570	my %ext = (
		1571	path => $path,
		1572	base => $base,
		1573	pkg => $pkg,
		1574	);
		1575
		1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1578
		1579	$ext{source} =
		1580	"package $pkg; use common::sense;\n"
		1581	. "#line 1 \"$path\"\n{\n"
		1582	. $source
		1583	. "\n};\n1";
		1584
		1585	$todo{$base} = \%ext;
		1586	}
		1587
		1588	my $pass = 0;
		1589	my %done;
		1590	while (%todo) {
		1591	my $progress;
		1592
		1593	++$pass;
		1594
		1595	ext:
		1596	while (my ($k, $v) = each %todo) {
		1597	for (split /,\s*/, $v->{meta}{depends}) {
		1598	next ext
		1599	unless exists $done{$_};
		1600	}
		1601
		1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1603
		1604	my $source = $v->{source};
		1605
		1606	# support "CONF varname :confname = default" pseudo-statements
		1607	$source =~ s{
		1608	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1609	}{
		1610	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1611	}gmxe;
		1612
		1613	my $active = eval $source;
		1614
		1615	if (length $@) {
		1616	error "$v->{path}: $@\n";
		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1619	if exists $v->{meta}{mandatory};
		1620
		1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1622	delete $todo{$k};
		1623	} else {
		1624	$done{$k} = delete $todo{$k};
		1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
		1630	}
987	1	1631	}
988	} or warn "$ext not loaded: $@";	1632
		1633	unless ($progress) {
		1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
		1643	}
989	}	1644	};
990	}	1645	}
991		1646
992	#############################################################################	1647	#############################################################################
993		1648
		1649	=back
		1650
994	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
995		1652
996	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
997		1654
998	=cut	1655	=cut
999		1656
1000	package cf::player;	1657	package cf::player;
1001		1658
1002	use Coro::AIO;	1659	use Coro::AIO;
1003		1660
1004	=head3 cf::player	1661	=head3 cf::player
1005		1662
1006	=over 4	1663	=over 4
		1664
		1665	=item cf::player::num_playing
		1666
		1667	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1668
		1669	=cut
		1670
		1671	sub num_playing {
		1672	scalar grep
		1673	$_->ob->map
		1674	&& !$_->hidden
		1675	&& !$_->ob->flag (cf::FLAG_WIZ),
		1676	cf::player::list
		1677	}
1007		1678
1008	=item cf::player::find $login	1679	=item cf::player::find $login
1009		1680
1010	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
1011		1682
…		…
1030		1701
1031	sub exists($) {	1702	sub exists($) {
1032	my ($login) = @_;	1703	my ($login) = @_;
1033		1704
1034	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1036	}	1707	}
1037		1708
1038	sub find($) {	1709	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1711	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1721	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1722
1052	my $pl = load_pl path $login	1723	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1724	or return;
		1725
		1726	my $pl = cf::player::load_pl $f
		1727	or return;
		1728
		1729	local $cf::PLAYER_LOADING{$login} = $pl;
		1730	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1055	}	1732	}
1056	}	1733	}
1057	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($pl, $path) = @_;
		1739
		1740	# restore slots saved in save, below
		1741	my $slots = delete $pl->{_slots};
		1742
		1743	$pl->ob->current_weapon ($slots->[0]);
		1744	$pl->combat_ob ($slots->[1]);
		1745	$pl->ranged_ob ($slots->[2]);
		1746	},
		1747	);
1058		1748
1059	sub save($) {	1749	sub save($) {
1060	my ($pl) = @_;	1750	my ($pl) = @_;
1061		1751
1062	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1068		1758
1069	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1071		1761
		1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1766
1072	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1073	Coro::cede;	1768	cf::cede_to_tick;
1074	}	1769	}
1075		1770
1076	sub new($) {	1771	sub new($) {
1077	my ($login) = @_;	1772	my ($login) = @_;
1078		1773
…		…
1084	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1085		1780
1086	$self	1781	$self
1087	}	1782	}
1088		1783
		1784	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1785
		1786	=cut
		1787
		1788	sub send_msg {
		1789	my $ns = shift->ns
		1790	or return;
		1791	$ns->send_msg (@_);
		1792	}
		1793
1089	=item $pl->quit_character	1794	=item $pl->quit_character
1090		1795
1091	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1093		1798
…		…
1097	my ($pl) = @_;	1802	my ($pl) = @_;
1098		1803
1099	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1100		1805
1101	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1807	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1808
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1105	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1107	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1108		1817
1109	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1111	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1146	or return [];	1855	or return [];
1147		1856
1148	my @logins;	1857	my @logins;
1149		1858
1150	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
		1860	my $path = path $login;
		1861
		1862	# a .pst is a dead give-away for a valid player
		1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1154		1869
1155	utf8::decode $login;	1870	utf8::decode $login;
1156	push @logins, $login;	1871	push @logins, $login;
1157	}	1872	}
1158		1873
1159	\@logins	1874	\@logins
1160	}	1875	}
1161		1876
1162	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1163		1880
1164	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1165	player. May block.	1882	player. May block.
1166		1883
1167	=cut	1884	=cut
…		…
1185	}	1902	}
1186		1903
1187	\@paths	1904	\@paths
1188	}	1905	}
1189		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1190	=item $player->ext_reply ($msgid, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1191		1912
1192	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1193		1914
1194	=cut	1915	=cut
1195		1916
1196	sub ext_reply($$%) {	1917	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1198		1919
1199	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1921	}
1203		1922
1204	=item $player->ext_event ($type, %msg)	1923	=item $player->ext_msg ($type, @msg)
1205		1924
1206	Sends an ext event to the client.	1925	Sends an ext event to the client.
1207		1926
1208	=cut	1927	=cut
1209		1928
1210	sub ext_event($$%) {	1929	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1930	my ($self, $type, @msg) = @_;
1212		1931
1213	$self->ns->ext_event ($type, %msg);	1932	$self->ns->ext_msg ($type, @msg);
1214	}	1933	}
1215		1934
1216	=head3 cf::region	1935	=head3 cf::region
1217		1936
1218	=over 4	1937	=over 4
…		…
1221		1940
1222	package cf::region;	1941	package cf::region;
1223		1942
1224	=item cf::region::find_by_path $path	1943	=item cf::region::find_by_path $path
1225		1944
1226	Tries to decuce the probable region for a map knowing only its path.	1945	Tries to decuce the likely region for a map knowing only its path.
1227		1946
1228	=cut	1947	=cut
1229		1948
1230	sub find_by_path($) {	1949	sub find_by_path($) {
1231	my ($path) = @_;	1950	my ($path) = @_;
1232		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
1233	my ($match, $specificity);	1954	my ($match, $specificity);
1234		1955
1235	for my $region (list) {	1956	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1957	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1958	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1959	if $region->specificity > $specificity;
1239	}	1960	}
1240	}	1961	}
1241		1962
…		…
1262	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1264		1985
1265	sub generate_random_map {	1986	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1267	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1268	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1276	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1277	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1280	)
1281	}	1992	}
1282		1993
1283	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1284		1995
1285	Register a handler for the map path matching the given regex at the	1996	Register a handler for the map path matching the given regex at the
…		…
1290		2001
1291	sub register {	2002	sub register {
1292	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	2004	my $pkg = caller;
1294		2005
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		2007
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	2009	}
1300		2010
1301	# also paths starting with '/'	2011	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		2013
1304	sub thawer_merge {	2014	sub thawer_merge {
1305	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1306		2016
1307	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1312	}	2022	}
1313		2023
1314	sub normalise {	2024	sub normalise {
1315	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1316		2026
1317	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1318		2028
1319	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1320		2030
1321	# map plan:	2031	# map plan:
1322	#	2032	#
…		…
1337	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1338	$path = "$base/$path";	2048	$path = "$base/$path";
1339	}	2049	}
1340		2050
1341	for ($path) {	2051	for ($path) {
1342	redo if s{//}{/};
1343	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1344	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1345	}	2054	}
1346		2055
1347	$path	2056	$path
…		…
1361	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1362	return $self;	2071	return $self;
1363	}	2072	}
1364	}	2073	}
1365		2074
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1367	()	2076	()
1368	}	2077	}
1369		2078
		2079	# may re-bless or do other evil things
1370	sub init {	2080	sub init {
1371	my ($self) = @_;	2081	my ($self) = @_;
1372		2082
1373	$self	2083	$self
1374	}	2084	}
…		…
1393		2103
1394	# the temporary/swap location	2104	# the temporary/swap location
1395	sub save_path {	2105	sub save_path {
1396	my ($self) = @_;	2106	my ($self) = @_;
1397		2107
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1400	}	2110	}
1401		2111
1402	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1403	sub uniq_path {	2113	sub uniq_path {
1404	my ($self) = @_;	2114	my ($self) = @_;
1405		2115
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	2118	}
1418		2119
1419	sub decay_objects {	2120	sub decay_objects {
1420	my ($self) = @_;	2121	my ($self) = @_;
1421		2122
…		…
1434		2135
1435	sub load_header_from($) {	2136	sub load_header_from($) {
1436	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1437		2138
1438	utf8::encode $path;	2139	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	2141	or return;
1444		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1445	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1446		2150
1447	1	2151	1
1448	}	2152	}
1449		2153
		2154	# used to laod the header of an original map
1450	sub load_header_orig {	2155	sub load_header_orig {
1451	my ($self) = @_;	2156	my ($self) = @_;
1452		2157
1453	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1454	}	2159	}
1455		2160
		2161	# used to laod the header of an instantiated map
1456	sub load_header_temp {	2162	sub load_header_temp {
1457	my ($self) = @_;	2163	my ($self) = @_;
1458		2164
1459	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1460	}	2166	}
1461		2167
		2168	# called after loading the header from an instantiated map
1462	sub prepare_temp {	2169	sub prepare_temp {
1463	my ($self) = @_;	2170	my ($self) = @_;
1464		2171
1465	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1466	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1467	# safety	2174	# safety
1468	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1469	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1470	}	2177	}
1471		2178
		2179	# called after loading the header from an original map
1472	sub prepare_orig {	2180	sub prepare_orig {
1473	my ($self) = @_;	2181	my ($self) = @_;
1474		2182
1475	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1476	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1500		2208
1501	sub find;	2209	sub find;
1502	sub find {	2210	sub find {
1503	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1504		2212
		2213	cf::cede_to_tick;
		2214
1505	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1506		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1508		2219
1509	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1512	or return;	2222	or return;
1513		2223
1514	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1515		2225
…		…
1517	or return;	2227	or return;
1518		2228
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1522	$map->reset;	2234	$map->reset;
1523	undef $guard;
1524	return find $path;	2235	return find $path;
1525	}	2236	}
1526		2237
1527	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1528	}	2239	}
1529	}	2240	}
1530		2241
1531	sub pre_load { }	2242	sub pre_load { }
1532	sub post_load { }	2243	#sub post_load { } # XS
1533		2244
1534	sub load {	2245	sub load {
1535	my ($self) = @_;	2246	my ($self) = @_;
1536		2247
1537	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1538		2249
1539	my $path = $self->{path};	2250	my $path = $self->{path};
1540		2251
1541	{	2252	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1543		2254
		2255	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1545
1546	$self->in_memory (cf::MAP_LOADING);
1547		2257
1548	$self->alloc;	2258	$self->alloc;
1549		2259
1550	$self->pre_load;	2260	$self->pre_load;
1551	Coro::cede;	2261	cf::cede_to_tick;
1552		2262
1553	$self->_load_objects ($self->{load_path}, 1)	2263	if (exists $self->{load_path}) {
		2264	my $f = new_from_file cf::object::thawer $self->{load_path};
		2265	$f->skip_block;
		2266	$self->_load_objects ($f)
1554	or return;	2267	or return;
1555		2268
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1557	if delete $self->{load_original};	2270	if delete $self->{load_original};
1558		2271
1559	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2273	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2276	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1564	}	2281	}
1565	}
1566		2282
1567	Coro::cede;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
		2288
		2289	$self->state (cf::MAP_INACTIVE);
		2290
		2291	cf::cede_to_tick;
1568	# now do the right thing for maps	2292	# now do the right thing for maps
1569	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2295	unless $self->difficulty;
1572	Coro::cede;	2296	cf::cede_to_tick;
1573		2297
1574	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2299	$self->decay_objects;
1576	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1577	$self->update_buttons;	2301	$self->update_buttons;
1578	Coro::cede;	2302	cf::cede_to_tick;
1579	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
1580	Coro::cede;
1581	$self->activate;
1582	}	2304	}
1583		2305
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1585	}	2308	}
1586		2309
1587	$self->post_load;	2310	$self->post_load;
1588	}
1589		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1590	sub customise_for {	2318	sub customise_for {
1591	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1592		2320
1593	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2322	if $self->per_player;
…		…
1597	# if $self->per_party;	2325	# if $self->per_party;
1598		2326
1599	$self	2327	$self
1600	}	2328	}
1601		2329
1602	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {
1604	my ($map) = @_;
1605
1606	my @diag; # diagonal neighbours
1607
1608	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)
1610	or next;
1611	$neigh = find $neigh, $map
1612	or next;
1613	$neigh->load;
1614
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}
1618
1619	for (@diag) {
1620	my $neigh = find @$_
1621	or next;
1622	$neigh->load;
1623	}
1624	}
1625
1626	sub find_sync {	2330	sub find_sync {
1627	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1628		2332
1629	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
1630	}	2338	}
1631		2339
1632	sub do_load_sync {	2340	sub do_load_sync {
1633	my ($map) = @_;	2341	my ($map) = @_;
1634		2342
1635	cf::sync_job { $map->load };	2343	# it's a bug to call this from the main context
		2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2345	if $Coro::current == $Coro::main;
		2346
		2347	$map->load;
1636	}	2348	}
1637		2349
1638	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1640		2352
1641	sub find_async {	2353	sub find_async {
1642	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1643		2355
1644	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1645		2357
1646	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1648	}	2360	}
1649		2361
1650	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1651	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1652	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2369	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2370	$map->load if $v;
		2371	}
1657		2372
1658	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1659	}	2374	}
1660	}	2375	}
1661	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1662	};	2377	};
1663	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1664		2379
1665	()	2380	()
1666	}	2381	}
1667		2382
		2383	# common code, used by both ->save and ->swapout
1668	sub save {	2384	sub _save {
1669	my ($self) = @_;	2385	my ($self) = @_;
1670
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;
1672		2386
1673	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1674		2388
1675	return unless $self->dirty;	2389	return unless $self->dirty;
1676		2390
…		…
1682	return if $self->{deny_save};	2396	return if $self->{deny_save};
1683		2397
1684	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1685		2399
1686	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1688	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1689		2406
1690	if ($uniq) {	2407	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2410	} else {
1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1695	}	2412	}
1696	}	2413	}
1697		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1698	sub swap_out {	2423	sub swap_out {
1699	my ($self) = @_;	2424	my ($self) = @_;
1700		2425
1701	# save first because save cedes
1702	$self->save;
1703
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1706	return if $self->players;	2430	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};
1709		2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
1710	$self->clear;	2441	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2442	}
1713		2443
1714	sub reset_at {	2444	sub reset_at {
1715	my ($self) = @_;	2445	my ($self) = @_;
1716		2446
…		…
1734		2464
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2466
1737	return if $self->players;	2467	return if $self->players;
1738		2468
1739	warn "resetting map ", $self->path;	2469	cf::trace "resetting map ", $self->path, "\n";
1740		2470
1741	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1742		2472
1743	# need to save uniques path	2473	# need to save uniques path
1744	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1745	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1746		2476
…		…
1748	if $uniq;	2478	if $uniq;
1749	}	2479	}
1750		2480
1751	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1752		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2485	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2486
1757	$self->unlink_save;	2487	$self->unlink_save;
1758	$self->destroy;	2488	$self->destroy;
1759	}	2489	}
1760		2490
1761	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1762		2492
1763	sub nuke {	2493	sub nuke {
1764	my ($self) = @_;	2494	my ($self) = @_;
1765		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1766	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1767		2500
1768	$self->unlink_save;	2501	$self->unlink_save;
1769		2502
1770	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1771	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2508
1776	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1777		2511
1778	$self->reset; # polite request, might not happen	2512	$self->reset; # polite request, might not happen
1779	}	2513	}
1780		2514
1781	=item $maps = cf::map::tmp_maps	2515	=item $maps = cf::map::tmp_maps
1782		2516
1783	Returns an arrayref with all map paths of currently instantiated and saved	2517	Returns an arrayref with all map paths of currently instantiated and saved
1784	maps.	2518	maps. May block.
1785		2519
1786	=cut	2520	=cut
1787		2521
1788	sub tmp_maps() {	2522	sub tmp_maps() {
1789	[	2523	[
1790	map {	2524	map {
1791	utf8::decode $_;	2525	utf8::decode $_;
1792	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2526	/\.map$/
1793	? normalise $_	2527	? normalise $_
1794	: ()	2528	: ()
1795	} @{ aio_readdir $TMPDIR or [] }	2529	} @{ aio_readdir $TMPDIR or [] }
1796	]	2530	]
1797	}	2531	}
1798		2532
		2533	=item $maps = cf::map::random_maps
		2534
		2535	Returns an arrayref with all map paths of currently instantiated and saved
		2536	random maps. May block.
		2537
		2538	=cut
		2539
		2540	sub random_maps() {
		2541	[
		2542	map {
		2543	utf8::decode $_;
		2544	/\.map$/
		2545	? normalise "?random/$_"
		2546	: ()
		2547	} @{ aio_readdir $RANDOMDIR or [] }
		2548	]
		2549	}
		2550
1799	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1800		2552
1801	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1802	instantiated unique items. May block.	2554	instantiated unique items. May block.
1803		2555
…		…
1805		2557
1806	sub unique_maps() {	2558	sub unique_maps() {
1807	[	2559	[
1808	map {	2560	map {
1809	utf8::decode $_;	2561	utf8::decode $_;
1810	!/\.(?:pst|meta)$/ && /^$PATH_SEP/o	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
1811	? normalise $_	2565	: normalise $_
1812	: ()
1813	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
1814	]	2567	]
1815	}	2568	}
1816		2569
1817	package cf;	2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
1818		2601
1819	=back	2602	=back
1820		2603
1821	=head3 cf::object	2604	=head3 cf::object
1822		2605
…		…
1826		2609
1827	=over 4	2610	=over 4
1828		2611
1829	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1830		2613
1831	Returns the inventory of the object _and_ their inventories, recursively.	2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
1832		2616
1833	=cut	2617	=cut
1834		2618
1835	sub inv_recursive_;	2619	sub inv_recursive_;
1836	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1839		2623
1840	sub inv_recursive {	2624	sub inv_recursive {
1841	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1842	}	2626	}
1843		2627
		2628	=item $ref = $ob->ref
		2629
		2630	Creates and returns a persistent reference to an object that can be stored as a string.
		2631
		2632	=item $ob = cf::object::deref ($refstring)
		2633
		2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2635	even if the object actually exists. May block.
		2636
		2637	=cut
		2638
		2639	sub deref {
		2640	my ($ref) = @_;
		2641
		2642	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2643	my ($uuid, $name) = ($1, $2);
		2644	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2645	or return;
		2646	$pl->ob->uuid eq $uuid
		2647	or return;
		2648
		2649	$pl->ob
		2650	} else {
		2651	warn "$ref: cannot resolve object reference\n";
		2652	undef
		2653	}
		2654	}
		2655
1844	package cf;	2656	package cf;
1845		2657
1846	=back	2658	=back
1847		2659
1848	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1854	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2666	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1855	can be C<undef>. Does the right thing when the player is currently in a	2667	can be C<undef>. Does the right thing when the player is currently in a
1856	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1857		2669
1858	=cut	2670	=cut
		2671
		2672	our $SAY_CHANNEL = {
		2673	id => "say",
		2674	title => "Map",
		2675	reply => "say ",
		2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2677	};
		2678
		2679	our $CHAT_CHANNEL = {
		2680	id => "chat",
		2681	title => "Chat",
		2682	reply => "chat ",
		2683	tooltip => "Player chat and shouts, global to the server.",
		2684	};
1859		2685
1860	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1861	# with dialog boxes.	2687	# with dialog boxes.
1862	#TODO: the first argument must go, split into a $npc->reply_to ( method	2688	#TODO: the first argument must go, split into a $npc->reply_to ( method
1863	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1865		2691
1866	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1867		2693
1868	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1869	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1870	} else {	2697	} else {
		2698	my $pl = $self->contr;
		2699
		2700	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2701	my $dialog = $pl->{npc_dialog};
		2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2703
		2704	} else {
1871	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1872	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1873	}	2708	}
		2709	}
		2710
		2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2712
		2713	=cut
		2714
		2715	sub cf::object::send_msg {
		2716	my $pl = shift->contr
		2717	or return;
		2718	$pl->send_msg (@_);
1874	}	2719	}
1875		2720
1876	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1877		2722
1878	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1891		2736
1892	=item $player_object->enter_link	2737	=item $player_object->enter_link
1893		2738
1894	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
1895		2740
1896	The player should be reasonably safe there for short amounts of time. You	2741	The player should be reasonably safe there for short amounts of time (e.g.
1897	I<MUST> call C<leave_link> as soon as possible, though.	2742	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2743	though, as the player cannot control the character while it is on the link
		2744	map.
1898		2745
1899	Will never block.	2746	Will never block.
1900		2747
1901	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1902		2749
…		…
1922	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1923	my ($self) = @_;	2770	my ($self) = @_;
1924		2771
1925	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1926		2773
		2774	++$self->{_link_recursion};
		2775
1927	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1928		2777
1929	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1930	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
1931		2780
1932	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1933	}	2782	}
1934		2783
1935	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1936	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
1937		2786
…		…
1954	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1955	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1956		2805
1957	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1958	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1959	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1960		2809
1961	$map->load;	2810	$map->load;
1962	$map->load_diag;
1963		2811
1964	return unless $self->contr->active;	2812	return unless $self->contr->active;
1965	$self->activate_recursive;
1966		2813
1967	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1968	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
1969	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
1970		2821
		2822	}
		2823
1971	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1972		2825
1973	Moves the player to the given map-path and coordinates by first freezing	2826	Moves the player to the given map-path and coordinates by first freezing
1974	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
1975	that has to return the map if sucecssful, and then unfreezes the player on	2828	that has to return the map if sucecssful, and then unfreezes the player on
1976	the new (success) or old (failed) map position.	2829	the new (success) or old (failed) map position. In either case, $done will
		2830	be called at the end of this process.
		2831
		2832	Note that $check will be called with a potentially non-loaded map, so if
		2833	it needs a loaded map it has to call C<< ->load >>.
1977		2834
1978	=cut	2835	=cut
1979		2836
1980	our $GOTOGEN;	2837	our $GOTOGEN;
1981		2838
1982	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y, $check) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
1984		2847
1985	# do generation counting so two concurrent goto's will be executed in-order	2848	# do generation counting so two concurrent goto's will be executed in-order
1986	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1987		2850
1988	$self->enter_link;	2851	$self->enter_link;
1989		2852
1990	(async {	2853	(async {
		2854	$Coro::current->{desc} = "player::goto $path $x $y";
		2855
		2856	# *tag paths override both path and x|y
		2857	if ($path =~ /^\*(.*)$/) {
		2858	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2859	my $ob = $obs[rand @obs];
		2860
		2861	# see if we actually can go there
		2862	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2863	$ob = $obs[rand @obs];
		2864	} else {
		2865	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2866	}
		2867	# else put us there anyways for now #d#
		2868
		2869	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2870	} else {
		2871	($path, $x, $y) = (undef, undef, undef);
		2872	}
		2873	}
		2874
1991	my $map = eval {	2875	my $map = eval {
1992	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1993		2877
1994	if ($map) {	2878	if ($map) {
1995	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
1996	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
1997	} else {	2881	} else {
1998	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1999	}	2883	}
2000		2884
2001	$map	2885	$map
2002	};	2886	};
2003		2887
…		…
2008		2892
2009	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2010	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2011	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2012	}	2896	}
		2897
		2898	$done->($self) if $done;
2013	})->prio (1);	2899	})->prio (1);
2014	}	2900	}
2015		2901
2016	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2017		2903
…		…
2037	}	2923	}
2038		2924
2039	sub prepare_random_map {	2925	sub prepare_random_map {
2040	my ($exit) = @_;	2926	my ($exit) = @_;
2041		2927
2042	my $guard = cf::lock_acquire "exit_prepare:$exit";
2043
2044	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2045	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2046	# that depends on the exit object	2930	# that depends on the exit object
2047		2931
2048	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2050	if ($exit->map) {	2934	if ($exit->map) {
2051	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2052	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2053	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2054	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2055	}	2941	}
2056		2942
2057	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2058		2944
2059	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2060	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2061	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2062		2948
2063	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2064	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2065	undef $fh;	2951	undef $fh;
2066	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2067		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2068	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2069	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2070	}	2960	}
2071	}	2961	}
2072		2962
2073	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2074	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2075		2965
2076	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2077		2967
2078	if ($exit->slaying eq "/!") {
2079	#TODO: this should de-fi-ni-te-ly not be a sync-job
2080	# the problem is that $exit might not survive long enough
2081	# so it needs to be done right now, right here
2082	cf::sync_job { prepare_random_map $exit };
2083	}
2084
2085	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2086	my $hp = $exit->stats->hp;
2087	my $sp = $exit->stats->sp;
2088
2089	$self->enter_link;	2968	$self->enter_link;
2090		2969
2091	(async {	2970	(async {
2092	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2093	unless (eval {	2973	unless (eval {
		2974	$self->deactivate_recursive; # just to be sure
		2975
		2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2977	my $x = $exit->stats->hp;
		2978	my $y = $exit->stats->sp;
		2979
		2980	# special map handling
		2981	my $slaying = $exit->slaying;
		2982
		2983	# special map handling
		2984	if ($slaying eq "/!") {
		2985	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2986
		2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
		2990	$map = $exit->slaying;
		2991
		2992	} elsif ($slaying eq '!up') {
		2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
		2996
		2997	} elsif ($slaying eq '!down') {
		2998	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2999	$x = $exit->x;
		3000	$y = $exit->y;
		3001	}
		3002
2094	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2095		3004
		3005	# if exit is damned, update players death & WoR home-position
		3006	$self->contr->savebed ($map, $x, $y)
		3007	if $exit->flag (cf::FLAG_DAMNED);
		3008
2096	1;	3009	1
2097	}) {	3010	}) {
2098	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2099	. "I'll try to bring you back to the map you were before. "	3012	. "I'll try to bring you back to the map you were before. "
2100	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2101	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2102		3015
2103	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2104	$self->leave_link;	3017	$self->leave_link;
2105	}	3018	}
2106	})->prio (1);	3019	})->prio (1);
2107	}	3020	}
2108		3021
…		…
2122		3035
2123	utf8::encode $text;	3036	utf8::encode $text;
2124	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2125	}	3038	}
2126		3039
		3040	=item $client->send_big_packet ($pkt)
		3041
		3042	Like C<send_packet>, but tries to compress large packets, and fragments
		3043	them as required.
		3044
		3045	=cut
		3046
		3047	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3048
		3049	sub cf::client::send_big_packet {
		3050	my ($self, $pkt) = @_;
		3051
		3052	# try lzf for large packets
		3053	$pkt = "lzf " . Compress::LZF::compress $pkt
		3054	if 1024 <= length $pkt and $self->{can_lzf};
		3055
		3056	# split very large packets
		3057	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3058	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3059	$pkt = "frag";
		3060	}
		3061
		3062	$self->send_packet ($pkt);
		3063	}
		3064
		3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3066
		3067	Send a drawinfo or msg packet to the client, formatting the msg for the
		3068	client if neccessary. C<$type> should be a string identifying the type of
		3069	the message, with C<log> being the default. If C<$color> is negative, suppress
		3070	the message unless the client supports the msg packet.
		3071
		3072	=cut
		3073
		3074	# non-persistent channels (usually the info channel)
		3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
		3082	"c/identify" => {
		3083	id => "infobox",
		3084	title => "Identify",
		3085	reply => undef,
		3086	tooltip => "Items recently identified",
		3087	},
		3088	"c/examine" => {
		3089	id => "infobox",
		3090	title => "Examine",
		3091	reply => undef,
		3092	tooltip => "Signs and other items you examined",
		3093	},
		3094	"c/shopinfo" => {
		3095	id => "infobox",
		3096	title => "Shop Info",
		3097	reply => undef,
		3098	tooltip => "What your bargaining skill tells you about the shop",
		3099	},
		3100	"c/book" => {
		3101	id => "infobox",
		3102	title => "Book",
		3103	reply => undef,
		3104	tooltip => "The contents of a note or book",
		3105	},
		3106	"c/lookat" => {
		3107	id => "infobox",
		3108	title => "Look",
		3109	reply => undef,
		3110	tooltip => "What you saw there",
		3111	},
		3112	"c/who" => {
		3113	id => "infobox",
		3114	title => "Players",
		3115	reply => undef,
		3116	tooltip => "Shows players who are currently online",
		3117	},
		3118	"c/body" => {
		3119	id => "infobox",
		3120	title => "Body Parts",
		3121	reply => undef,
		3122	tooltip => "Shows which body parts you posess and are available",
		3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
		3130	"c/skills" => {
		3131	id => "infobox",
		3132	title => "Skills",
		3133	reply => undef,
		3134	tooltip => "Shows your experience per skill and item power",
		3135	},
		3136	"c/shopitems" => {
		3137	id => "infobox",
		3138	title => "Shop Items",
		3139	reply => undef,
		3140	tooltip => "Shows the items currently for sale in this shop",
		3141	},
		3142	"c/resistances" => {
		3143	id => "infobox",
		3144	title => "Resistances",
		3145	reply => undef,
		3146	tooltip => "Shows your resistances",
		3147	},
		3148	"c/pets" => {
		3149	id => "infobox",
		3150	title => "Pets",
		3151	reply => undef,
		3152	tooltip => "Shows information abotu your pets/a specific pet",
		3153	},
		3154	"c/perceiveself" => {
		3155	id => "infobox",
		3156	title => "Perceive Self",
		3157	reply => undef,
		3158	tooltip => "You gained detailed knowledge about yourself",
		3159	},
		3160	"c/uptime" => {
		3161	id => "infobox",
		3162	title => "Uptime",
		3163	reply => undef,
		3164	tooltip => "How long the server has been running since last restart",
		3165	},
		3166	"c/mapinfo" => {
		3167	id => "infobox",
		3168	title => "Map Info",
		3169	reply => undef,
		3170	tooltip => "Information related to the maps",
		3171	},
		3172	"c/party" => {
		3173	id => "party",
		3174	title => "Party",
		3175	reply => "gsay ",
		3176	tooltip => "Messages and chat related to your party",
		3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
		3186	);
		3187
		3188	sub cf::client::send_msg {
		3189	my ($self, $channel, $msg, $color, @extra) = @_;
		3190
		3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
		3193
		3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3195
		3196	# check predefined channels, for the benefit of C
		3197	if ($CHANNEL{$channel}) {
		3198	$channel = $CHANNEL{$channel};
		3199
		3200	$self->ext_msg (channel_info => $channel);
		3201	$channel = $channel->{id};
		3202
		3203	} elsif (ref $channel) {
		3204	# send meta info to client, if not yet sent
		3205	unless (exists $self->{channel}{$channel->{id}}) {
		3206	$self->{channel}{$channel->{id}} = $channel;
		3207	$self->ext_msg (channel_info => $channel);
		3208	}
		3209
		3210	$channel = $channel->{id};
		3211	}
		3212
		3213	return unless @extra || length $msg;
		3214
		3215	# default colour, mask it out
		3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3217	if $color & cf::NDI_DEF;
		3218
		3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
		3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3222	);
		3223
		3224	$self->send_big_packet ($pkt);
		3225	}
		3226
2127	=item $client->ext_event ($type, %msg)	3227	=item $client->ext_msg ($type, @msg)
2128		3228
2129	Sends an exti event to the client.	3229	Sends an ext event to the client.
2130		3230
2131	=cut	3231	=cut
2132		3232
2133	sub cf::client::ext_event($$%) {	3233	sub cf::client::ext_msg($$@) {
2134	my ($self, $type, %msg) = @_;	3234	my ($self, $type, @msg) = @_;
2135		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
2136	$msg{msgtype} = "event_$type";	3239	push @msg, msgtype => "event_$type";
2137	$self->send_packet ("ext " . cf::to_json \%msg);	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3241	}
		3242	}
		3243
		3244	=item $client->ext_reply ($msgid, @msg)
		3245
		3246	Sends an ext reply to the client.
		3247
		3248	=cut
		3249
		3250	sub cf::client::ext_reply($$@) {
		3251	my ($self, $id, @msg) = @_;
		3252
		3253	return unless $self->extcmd == 2;
		3254
		3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2138	}	3256	}
2139		3257
2140	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2141		3259
2142	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
2143	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3261	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2144	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3262	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2145		3263
2146	Queries can fail, so check the return code. Or don't, as queries will become	3264	Queries can fail, so check the return code. Or don't, as queries will
2147	reliable at some point in the future.	3265	become reliable at some point in the future.
2148		3266
2149	=cut	3267	=cut
2150		3268
2151	sub cf::client::query {	3269	sub cf::client::query {
2152	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
2160	utf8::encode $text;	3278	utf8::encode $text;
2161	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2162		3280
2163	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2164	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2165	}	3285	}
2166		3286
2167	cf::client->attach (	3287	cf::client->attach (
		3288	on_connect => sub {
		3289	my ($ns) = @_;
		3290
		3291	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3292	},
2168	on_reply => sub {	3293	on_reply => sub {
2169	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2170		3295
2171	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2172	# get handled first	3297	# get handled first
…		…
2184	} else {	3309	} else {
2185	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2186	}	3311	}
2187	}	3312	}
2188	},	3313	},
		3314	on_exticmd => sub {
		3315	my ($ns, $buf) = @_;
		3316
		3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3318
		3319	if (ref $msg) {
		3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3321
		3322	my @reply;
		3323
		3324	if (my $cb = $EXTICMD{$type}) {
		3325	@reply = $cb->($ns, @payload);
		3326	}
		3327
		3328	$ns->ext_reply ($reply, @reply)
		3329	if $reply;
		3330
		3331	} else {
		3332	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3333	}
		3334
		3335	cf::override;
		3336	},
2189	);	3337	);
2190		3338
2191	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2192		3340
2193	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2209		3357
2210	$coro	3358	$coro
2211	}	3359	}
2212		3360
2213	cf::client->attach (	3361	cf::client->attach (
2214	on_destroy => sub {	3362	on_client_destroy => sub {
2215	my ($ns) = @_;	3363	my ($ns) = @_;
2216		3364
2217	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2218	},	3366	},
2219	);	3367	);
…		…
2234	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2235	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2236		3384
2237	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2238		3386
2239	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3387	$safe->permit_only (Opcode::opset qw(
		3388	:base_core :base_mem :base_orig :base_math :base_loop
		3389	grepstart grepwhile mapstart mapwhile
		3390	sort time
		3391	));
2240		3392
2241	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2242		3394
2243	=pod	3395	=pod
2244		3396
2245	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2246		3398
2247	cf::object contr pay_amount pay_player map	3399	cf::object
		3400	contr pay_amount pay_player map x y force_find force_add destroy
		3401	insert remove name archname title slaying race decrease split
		3402	value
		3403
2248	cf::object::player player	3404	cf::object::player
2249	cf::player peaceful	3405	player
2250	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2251		3412
2252	=cut	3413	=cut
2253		3414
2254	for (	3415	for (
2255	["cf::object" => qw(contr pay_amount pay_player map)],	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3417	insert remove inv nrof name archname title slaying race
		3418	decrease split destroy change_exp value msg lore send_msg)],
2256	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2257	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2258	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2259	) {	3422	) {
2260	no strict 'refs';
2261	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2262	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2263	for @funs;	3425	for @funs;
2264	}	3426	}
2265		3427
…		…
2280		3442
2281	my $qcode = $code;	3443	my $qcode = $code;
2282	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2283	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2284		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2285	local $_;	3450	local $_;
2286	local @safe::cf::_safe_eval_args = values %vars;
2287		3451
2288	my $eval =	3452	my $eval =
2289	"do {\n"	3453	"do {\n"
2290	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2291	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2292	. $code	3456	. $code
2293	. "\n}"	3457	. "\n}"
2294	;	3458	;
2295		3459
		3460	if ($CFG{safe_eval}) {
2296	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2297	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2298	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
2299		3469
2300	if ($@) {	3470	if ($@) {
2301	warn "$@";	3471	warn "$@",
2302	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2303	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2304	}	3474	}
2305		3475
2306	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2307	}	3477	}
2308		3478
…		…
2322	=cut	3492	=cut
2323		3493
2324	sub register_script_function {	3494	sub register_script_function {
2325	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2326		3496
2327	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2328	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2329	}	3499	}
2330		3500
2331	=back	3501	=back
2332		3502
2333	=cut	3503	=cut
2334
2335	#############################################################################
2336
2337	=head2 EXTENSION DATABASE SUPPORT
2338
2339	Crossfire maintains a very simple database for extension use. It can
2340	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2341	convert to/from binary).
2342
2343	The parameter C<$family> should best start with the name of the extension
2344	using it, it should be unique.
2345
2346	=over 4
2347
2348	=item $value = cf::db_get $family => $key
2349
2350	Returns a single value from the database.
2351
2352	=item cf::db_put $family => $key => $value
2353
2354	Stores the given C<$value> in the family.
2355
2356	=cut
2357
2358	our $DB;
2359
2360	sub db_init {
2361	unless ($DB) {
2362	$DB = BDB::db_create $DB_ENV;
2363
2364	cf::sync_job {
2365	eval {
2366	$DB->set_flags (BDB::CHKSUM);
2367
2368	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2369	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2370	cf::cleanup "db_open(db): $!" if $!;
2371	};
2372	cf::cleanup "db_open(db): $@" if $@;
2373	};
2374	}
2375	}
2376
2377	sub db_get($$) {
2378	my $key = "$_[0]/$_[1]";
2379
2380	cf::sync_job {
2381	BDB::db_get $DB, undef, $key, my $data;
2382
2383	$! ? ()
2384	: $data
2385	}
2386	}
2387
2388	sub db_put($$$) {
2389	BDB::dbreq_pri 4;
2390	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2391	}
2392
2393	=item cf::cache $id => [$paths...], $processversion => $process
2394
2395	Generic caching function that returns the value of the resource $id,
2396	caching and regenerating as required.
2397
2398	This function can block.
2399
2400	=cut
2401
2402	sub cache {
2403	my ($id, $src, $processversion, $process) = @_;
2404
2405	my $meta =
2406	join "\x00",
2407	$processversion,
2408	map {
2409	aio_stat $_
2410	and Carp::croak "$_: $!";
2411
2412	($_, (stat _)[7,9])
2413	} @$src;
2414
2415	my $dbmeta = db_get cache => "$id/meta";
2416	if ($dbmeta ne $meta) {
2417	# changed, we may need to process
2418
2419	my @data;
2420	my $md5;
2421
2422	for (0 .. $#$src) {
2423	0 <= aio_load $src->[$_], $data[$_]
2424	or Carp::croak "$src->[$_]: $!";
2425	}
2426
2427	# if processing is expensive, check
2428	# checksum first
2429	if (1) {
2430	$md5 =
2431	join "\x00",
2432	$processversion,
2433	map {
2434	Coro::cede;
2435	($src->[$_], Digest::MD5::md5_hex $data[$_])
2436	} 0.. $#$src;
2437
2438
2439	my $dbmd5 = db_get cache => "$id/md5";
2440	if ($dbmd5 eq $md5) {
2441	db_put cache => "$id/meta", $meta;
2442
2443	return db_get cache => "$id/data";
2444	}
2445	}
2446
2447	my $t1 = Time::HiRes::time;
2448	my $data = $process->(\@data);
2449	my $t2 = Time::HiRes::time;
2450
2451	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2452
2453	db_put cache => "$id/data", $data;
2454	db_put cache => "$id/md5" , $md5;
2455	db_put cache => "$id/meta", $meta;
2456
2457	return $data;
2458	}
2459
2460	db_get cache => "$id/data"
2461	}
2462
2463	=item fork_call { }, $args
2464
2465	Executes the given code block with the given arguments in a seperate
2466	process, returning the results. Everything must be serialisable with
2467	Coro::Storable. May, of course, block. Note that the executed sub may
2468	never block itself or use any form of Event handling.
2469
2470	=cut
2471
2472	sub fork_call(&@) {
2473	my ($cb, @args) = @_;
2474
2475	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2476	# or die "socketpair: $!";
2477	pipe my $fh1, my $fh2
2478	or die "pipe: $!";
2479
2480	if (my $pid = fork) {
2481	close $fh2;
2482
2483	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2484	$res = Coro::Storable::thaw $res;
2485
2486	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2487
2488	die $$res unless "ARRAY" eq ref $res;
2489
2490	return wantarray ? @$res : $res->[-1];
2491	} else {
2492	reset_signals;
2493	local $SIG{__WARN__};
2494	local $SIG{__DIE__};
2495	eval {
2496	close $fh1;
2497
2498	my @res = eval { $cb->(@args) };
2499	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2500	};
2501
2502	warn $@ if $@;
2503	_exit 0;
2504	}
2505	}
2506		3504
2507	#############################################################################	3505	#############################################################################
2508	# the server's init and main functions	3506	# the server's init and main functions
2509		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
		3509
2510	sub load_facedata($) {	3510	sub load_facedata($) {
2511	my ($path) = @_;	3511	my ($path) = @_;
2512		3512
		3513	# HACK to clear player env face cache, we need some signal framework
		3514	# for this (global event?)
		3515	%ext::player_env::MUSIC_FACE_CACHE = ();
		3516
		3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3518
2513	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
2514		3520
2515	my $facedata;	3521	my $facedata = decode_storable load_file $path;
2516	0 < aio_load $path, $facedata
2517	or die "$path: $!";
2518
2519	$facedata = Coro::Storable::thaw $facedata;
2520		3522
2521	$facedata->{version} == 2	3523	$facedata->{version} == 2
2522	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
2523		3525
		3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3528	$facedata->{resource}{"res/exp_table"} = {
		3529	type => FT_RSRC,
		3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
		3532	};
		3533	cf::cede_to_tick;
		3534
2524	{	3535	{
2525	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
2526		3537
2527	while (my ($face, $info) = each %$faces) {	3538	for my $face (sort keys %$faces) {
		3539	my $info = $faces->{$face};
2528	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3541
2529	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3542	cf::face::set_visibility $idx, $info->{visibility};
		3543	cf::face::set_magicmap $idx, $info->{magicmap};
2530	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2531	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2532	Coro::cede;	3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3547	$FACEHASH{$info->{hash64}} = $idx;#d#
		3548
		3549	cf::cede_to_tick;
2533	}	3550	}
2534		3551
2535	while (my ($face, $info) = each %$faces) {	3552	while (my ($face, $info) = each %$faces) {
2536	next unless $info->{smooth};	3553	next unless $info->{smooth};
		3554
2537	my $idx = cf::face::find $face	3555	my $idx = cf::face::find $face
2538	or next;	3556	or next;
		3557
2539	if (my $smooth = cf::face::find $info->{smooth}) {	3558	if (my $smooth = cf::face::find $info->{smooth}) {
		3559	cf::face::set_smooth $idx, $smooth;
2540	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3560	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2541	} else {	3561	} else {
2542	warn "smooth face '$info->{smooth}' not found for face '$face'";	3562	error "smooth face '$info->{smooth}' not found for face '$face'";
2543	}	3563	}
2544	Coro::cede;	3564
		3565	cf::cede_to_tick;
2545	}	3566	}
2546	}	3567	}
2547		3568
2548	{	3569	{
2549	my $anims = $facedata->{animinfo};	3570	my $anims = $facedata->{animinfo};
2550		3571
2551	while (my ($anim, $info) = each %$anims) {	3572	while (my ($anim, $info) = each %$anims) {
2552	cf::anim::set $anim, $info->{frames}, $info->{facings};	3573	cf::anim::set $anim, $info->{frames}, $info->{facings};
2553	Coro::cede;	3574	cf::cede_to_tick;
2554	}	3575	}
2555		3576
2556	cf::anim::invalidate_all; # d'oh	3577	cf::anim::invalidate_all; # d'oh
2557	}	3578	}
2558		3579
		3580	{
		3581	my $res = $facedata->{resource};
		3582
		3583	while (my ($name, $info) = each %$res) {
		3584	if (defined (my $type = $info->{type})) {
		3585	# TODO: different hash - must free and use new index, or cache ixface data queue
		3586	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3587
		3588	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3589	cf::face::set_type $idx, $type;
		3590	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3591	$FACEHASH{$info->{hash}} = $idx;#d#
		3592	} else {
		3593	# $RESOURCE{$name} = $info; # unused
		3594	}
		3595
		3596	cf::cede_to_tick;
		3597	}
		3598	}
		3599
		3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3601
2559	1	3602	1
2560	}	3603	}
2561		3604
		3605	register_exticmd fx_want => sub {
		3606	my ($ns, $want) = @_;
		3607
		3608	while (my ($k, $v) = each %$want) {
		3609	$ns->fx_want ($k, $v);
		3610	}
		3611	};
		3612
		3613	sub load_resource_file($) {
		3614	my $guard = lock_acquire "load_resource_file";
		3615
		3616	my $status = load_resource_file_ $_[0];
		3617	get_slot 0.1, 100;
		3618	cf::arch::commit_load;
		3619
		3620	$status
		3621	}
		3622
2562	sub reload_regions {	3623	sub reload_regions {
		3624	# HACK to clear player env face cache, we need some signal framework
		3625	# for this (global event?)
		3626	%ext::player_env::MUSIC_FACE_CACHE = ();
		3627
2563	load_resource_file "$MAPDIR/regions"	3628	load_resource_file "$MAPDIR/regions"
2564	or die "unable to load regions file\n";	3629	or die "unable to load regions file\n";
		3630
		3631	for (cf::region::list) {
		3632	$_->{match} = qr/$_->{match}/
		3633	if exists $_->{match};
		3634	}
2565	}	3635	}
2566		3636
2567	sub reload_facedata {	3637	sub reload_facedata {
2568	load_facedata "$DATADIR/facedata"	3638	load_facedata "$DATADIR/facedata"
2569	or die "unable to load facedata\n";	3639	or die "unable to load facedata\n";
…		…
2577	sub reload_treasures {	3647	sub reload_treasures {
2578	load_resource_file "$DATADIR/treasures"	3648	load_resource_file "$DATADIR/treasures"
2579	or die "unable to load treasurelists\n";	3649	or die "unable to load treasurelists\n";
2580	}	3650	}
2581		3651
		3652	sub reload_sound {
		3653	trace "loading sound config from $DATADIR/sound\n";
		3654
		3655	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3656
		3657	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3658	my $sound = $soundconf->{compat}[$_]
		3659	or next;
		3660
		3661	my $face = cf::face::find "sound/$sound->[1]";
		3662	cf::sound::set $sound->[0] => $face;
		3663	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3664	}
		3665
		3666	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3667	my $face = cf::face::find "sound/$v";
		3668	cf::sound::set $k => $face;
		3669	}
		3670	}
		3671
2582	sub reload_resources {	3672	sub reload_resources {
2583	warn "reloading resource files...\n";	3673	trace "reloading resource files...\n";
2584		3674
		3675	reload_exp_table;
		3676	reload_materials;
		3677	reload_facedata;
		3678	reload_sound;
		3679	reload_archetypes;
2585	reload_regions;	3680	reload_regions;
2586	reload_facedata;
2587	#reload_archetypes;#d#
2588	reload_archetypes;
2589	reload_treasures;	3681	reload_treasures;
2590		3682
2591	warn "finished reloading resource files\n";	3683	trace "finished reloading resource files\n";
2592	}	3684	}
2593		3685
2594	sub init {	3686	sub reload_config {
2595	reload_resources;	3687	trace "reloading config file...\n";
2596	}
2597		3688
2598	sub cfg_load {	3689	my $config = load_file "$CONFDIR/config";
2599	open my $fh, "<:utf8", "$CONFDIR/config"	3690	utf8::decode $config;
2600	or return;	3691	*CFG = decode_yaml $config;
2601		3692
2602	local $/;
2603	*CFG = YAML::Syck::Load <$fh>;
2604
2605	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2606		3694
2607	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3695	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2608	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3696	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2609		3697
2610	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
2614	};	3702	};
2615	warn $@ if $@;	3703	warn $@ if $@;
2616	}	3704	}
2617	}	3705	}
2618		3706
		3707	sub pidfile() {
		3708	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3709	or die "$PIDFILE: $!";
		3710	flock $fh, &Fcntl::LOCK_EX
		3711	or die "$PIDFILE: flock: $!";
		3712	$fh
		3713	}
		3714
		3715	# make sure only one server instance is running at any one time
		3716	sub atomic {
		3717	my $fh = pidfile;
		3718
		3719	my $pid = <$fh>;
		3720	kill 9, $pid if $pid > 0;
		3721
		3722	seek $fh, 0, 0;
		3723	print $fh $$;
		3724	}
		3725
		3726	sub main_loop {
		3727	trace "EV::loop starting\n";
		3728	if (1) {
		3729	EV::loop;
		3730	}
		3731	trace "EV::loop returned\n";
		3732	goto &main_loop unless $REALLY_UNLOOP;
		3733	}
		3734
2619	sub main {	3735	sub main {
		3736	cf::init_globals; # initialise logging
		3737
		3738	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3739	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3740	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3741	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3742
		3743	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3744
2620	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
2621	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
2622	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3747	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2623	(async {	3748	(async {
2624	Event::one_event;	3749	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3750	EV::loop EV::LOOP_ONESHOT;
2625	})->prio (Coro::PRIO_MAX);	3751	})->prio (Coro::PRIO_MAX);
2626	};	3752	};
2627		3753
2628	cfg_load;	3754	evthread_start IO::AIO::poll_fileno;
		3755
		3756	cf::sync_job {
		3757	cf::incloader::init ();
		3758
		3759	cf::init_anim;
		3760	cf::init_attackmess;
		3761	cf::init_dynamic;
		3762
		3763	cf::load_settings;
		3764
		3765	reload_resources;
		3766	reload_config;
2629	db_init;	3767	db_init;
		3768
		3769	cf::init_uuid;
		3770	cf::init_signals;
		3771	cf::init_skills;
		3772
		3773	cf::init_beforeplay;
		3774
		3775	atomic;
		3776
2630	load_extensions;	3777	load_extensions;
2631		3778
2632	$TICK_WATCHER->start;	3779	utime time, time, $RUNTIMEFILE;
2633	Event::loop;	3780
		3781	# no (long-running) fork's whatsoever before this point(!)
		3782	use POSIX ();
		3783	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3784
		3785	cf::_post_init 0;
		3786	};
		3787
		3788	cf::object::thawer::errors_are_fatal 0;
		3789	info "parse errors in files are no longer fatal from this point on.\n";
		3790
		3791	AE::postpone {
		3792	undef &main; # free gobs of memory :)
		3793	};
		3794
		3795	goto &main_loop;
2634	}	3796	}
2635		3797
2636	#############################################################################	3798	#############################################################################
2637	# initialisation and cleanup	3799	# initialisation and cleanup
2638		3800
2639	# install some emergency cleanup handlers	3801	# install some emergency cleanup handlers
2640	BEGIN {	3802	BEGIN {
		3803	our %SIGWATCHER = ();
2641	for my $signal (qw(INT HUP TERM)) {	3804	for my $signal (qw(INT HUP TERM)) {
2642	Event->signal (	3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2643	reentrant => 0,
2644	data => WF_AUTOCANCEL,
2645	signal => $signal,
2646	prio => 0,
2647	cb => sub {
2648	cf::cleanup "SIG$signal";	3806	cf::cleanup "SIG$signal";
2649	},
2650	);	3807	};
		3808	}
		3809	}
		3810
		3811	sub write_runtime_sync {
		3812	my $t0 = AE::time;
		3813
		3814	# first touch the runtime file to show we are still running:
		3815	# the fsync below can take a very very long time.
		3816
		3817	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3818
		3819	my $guard = cf::lock_acquire "write_runtime";
		3820
		3821	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3822	or return;
		3823
		3824	my $value = $cf::RUNTIME + 90 + 10;
		3825	# 10 is the runtime save interval, for a monotonic clock
		3826	# 60 allows for the watchdog to kill the server.
		3827
		3828	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3829	and return;
		3830
		3831	# always fsync - this file is important
		3832	aio_fsync $fh
		3833	and return;
		3834
		3835	# touch it again to show we are up-to-date
		3836	aio_utime $fh, undef, undef;
		3837
		3838	close $fh
		3839	or return;
		3840
		3841	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3842	and return;
		3843
		3844	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3845
2651	}	3846	1
		3847	}
		3848
		3849	our $uuid_lock;
		3850	our $uuid_skip;
		3851
		3852	sub write_uuid_sync($) {
		3853	$uuid_skip ||= $_[0];
		3854
		3855	return if $uuid_lock;
		3856	local $uuid_lock = 1;
		3857
		3858	my $uuid = "$LOCALDIR/uuid";
		3859
		3860	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3861	or return;
		3862
		3863	my $value = uuid_seq uuid_cur;
		3864
		3865	unless ($value) {
		3866	info "cowardly refusing to write zero uuid value!\n";
		3867	return;
		3868	}
		3869
		3870	my $value = uuid_str $value + $uuid_skip;
		3871	$uuid_skip = 0;
		3872
		3873	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3874	and return;
		3875
		3876	# always fsync - this file is important
		3877	aio_fsync $fh
		3878	and return;
		3879
		3880	close $fh
		3881	or return;
		3882
		3883	aio_rename "$uuid~", $uuid
		3884	and return;
		3885
		3886	trace "uuid file written ($value).\n";
		3887
		3888	1
		3889
		3890	}
		3891
		3892	sub write_uuid($$) {
		3893	my ($skip, $sync) = @_;
		3894
		3895	$sync ? write_uuid_sync $skip
		3896	: async { write_uuid_sync $skip };
2652	}	3897	}
2653		3898
2654	sub emergency_save() {	3899	sub emergency_save() {
2655	my $freeze_guard = cf::freeze_mainloop;	3900	my $freeze_guard = cf::freeze_mainloop;
2656		3901
2657	warn "enter emergency perl save\n";	3902	info "emergency_perl_save: enter\n";
		3903
		3904	# this is a trade-off: we want to be very quick here, so
		3905	# save all maps without fsync, and later call a global sync
		3906	# (which in turn might be very very slow)
		3907	local $USE_FSYNC = 0;
2658		3908
2659	cf::sync_job {	3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
2660	# use a peculiar iteration method to avoid tripping on perl	3912	# use a peculiar iteration method to avoid tripping on perl
2661	# refcount bugs in for. also avoids problems with players	3913	# refcount bugs in for. also avoids problems with players
2662	# and maps saved/destroyed asynchronously.	3914	# and maps saved/destroyed asynchronously.
2663	warn "begin emergency player save\n";	3915	info "emergency_perl_save: begin player save\n";
2664	for my $login (keys %cf::PLAYER) {	3916	for my $login (keys %cf::PLAYER) {
2665	my $pl = $cf::PLAYER{$login} or next;	3917	my $pl = $cf::PLAYER{$login} or next;
2666	$pl->valid or next;	3918	$pl->valid or next;
		3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2667	$pl->save;	3920	$pl->save;
2668	}	3921	}
2669	warn "end emergency player save\n";	3922	info "emergency_perl_save: end player save\n";
2670		3923
2671	warn "begin emergency map save\n";	3924	cf::write_runtime_sync; # external watchdog should not bark
		3925
		3926	info "emergency_perl_save: begin map save\n";
2672	for my $path (keys %cf::MAP) {	3927	for my $path (keys %cf::MAP) {
2673	my $map = $cf::MAP{$path} or next;	3928	my $map = $cf::MAP{$path} or next;
2674	$map->valid or next;	3929	$map->valid or next;
2675	$map->save;	3930	$map->save;
2676	}	3931	}
2677	warn "end emergency map save\n";	3932	info "emergency_perl_save: end map save\n";
2678		3933
2679	warn "begin emergency database checkpoint\n";	3934	cf::write_runtime_sync; # external watchdog should not bark
		3935
		3936	info "emergency_perl_save: begin database checkpoint\n";
2680	BDB::db_env_txn_checkpoint $DB_ENV;	3937	BDB::db_env_txn_checkpoint $DB_ENV;
2681	warn "end emergency database checkpoint\n";	3938	info "emergency_perl_save: end database checkpoint\n";
		3939
		3940	info "emergency_perl_save: begin write uuid\n";
		3941	write_uuid_sync 1;
		3942	info "emergency_perl_save: end write uuid\n";
		3943
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
		3946	trace "emergency_perl_save: syncing database to disk";
		3947	BDB::db_env_txn_checkpoint $DB_ENV;
		3948
		3949	info "emergency_perl_save: starting sync\n";
		3950	IO::AIO::aio_sync sub {
		3951	info "emergency_perl_save: finished sync\n";
		3952	};
		3953
		3954	cf::write_runtime_sync; # external watchdog should not bark
		3955
		3956	trace "emergency_perl_save: flushing outstanding aio requests";
		3957	while (IO::AIO::nreqs || BDB::nreqs) {
		3958	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3959	}
		3960
		3961	cf::write_runtime_sync; # external watchdog should not bark
2682	};	3962	};
2683		3963
2684	warn "leave emergency perl save\n";	3964	info "emergency_perl_save: leave\n";
2685	}	3965	}
2686		3966
2687	sub post_cleanup {	3967	sub post_cleanup {
2688	my ($make_core) = @_;	3968	my ($make_core) = @_;
2689		3969
		3970	IO::AIO::flush;
		3971
2690	warn Carp::longmess "post_cleanup backtrace"	3972	error Carp::longmess "post_cleanup backtrace"
2691	if $make_core;	3973	if $make_core;
		3974
		3975	my $fh = pidfile;
		3976	unlink $PIDFILE if <$fh> == $$;
		3977	}
		3978
		3979	# a safer delete_package, copied from Symbol
		3980	sub clear_package($) {
		3981	my $pkg = shift;
		3982
		3983	# expand to full symbol table name if needed
		3984	unless ($pkg =~ /^main::.*::$/) {
		3985	$pkg = "main$pkg" if $pkg =~ /^::/;
		3986	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3987	$pkg .= '::' unless $pkg =~ /::$/;
		3988	}
		3989
		3990	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3991	my $stem_symtab = *{$stem}{HASH};
		3992
		3993	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3994	or return;
		3995
		3996	# clear all symbols
		3997	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3998	for my $name (keys %$leaf_symtab) {
		3999	_gv_clear *{"$pkg$name"};
		4000	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4001	}
2692	}	4002	}
2693		4003
2694	sub do_reload_perl() {	4004	sub do_reload_perl() {
2695	# can/must only be called in main	4005	# can/must only be called in main
2696	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
2697	warn "can only reload from main coroutine";	4007	error "can only reload from main coroutine";
2698	return;	4008	return;
2699	}	4009	}
2700		4010
2701	warn "reloading...";	4011	return if $RELOAD++;
2702		4012
2703	warn "entering sync_job";	4013	my $t1 = AE::time;
2704		4014
		4015	while ($RELOAD) {
		4016	cf::get_slot 0.1, -1, "reload_perl";
		4017	info "perl_reload: reloading...";
		4018
		4019	trace "perl_reload: entering sync_job";
		4020
2705	cf::sync_job {	4021	cf::sync_job {
2706	cf::write_runtime; # external watchdog should not bark
2707	cf::emergency_save;	4022	#cf::emergency_save;
2708	cf::write_runtime; # external watchdog should not bark
2709		4023
2710	warn "syncing database to disk";
2711	BDB::db_env_txn_checkpoint $DB_ENV;
2712
2713	# if anything goes wrong in here, we should simply crash as we already saved
2714
2715	warn "cancelling all WF_AUTOCANCEL watchers";
2716	for (Event::all_watchers) {
2717	$_->cancel if $_->data & WF_AUTOCANCEL;
2718	}
2719
2720	warn "flushing outstanding aio requests";
2721	for (;;) {
2722	BDB::flush;
2723	IO::AIO::flush;
2724	Coro::cede;
2725	last unless IO::AIO::nreqs || BDB::nreqs;
2726	warn "iterate...";
2727	}
2728
2729	++$RELOAD;
2730
2731	warn "cancelling all extension coros";	4024	trace "perl_reload: cancelling all extension coros";
2732	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
2733	%EXT_CORO = ();	4026	%EXT_CORO = ();
2734		4027
2735	warn "removing commands";	4028	trace "perl_reload: removing commands";
2736	%COMMAND = ();	4029	%COMMAND = ();
2737		4030
2738	warn "removing ext commands";	4031	trace "perl_reload: removing ext/exti commands";
2739	%EXTCMD = ();	4032	%EXTCMD = ();
		4033	%EXTICMD = ();
2740		4034
2741	warn "unloading/nuking all extensions";	4035	trace "perl_reload: unloading/nuking all extensions";
2742	for my $pkg (@EXTS) {	4036	for my $pkg (@EXTS) {
2743	warn "... unloading $pkg";	4037	trace "... unloading $pkg";
2744		4038
2745	if (my $cb = $pkg->can ("unload")) {	4039	if (my $cb = $pkg->can ("unload")) {
2746	eval {	4040	eval {
2747	$cb->($pkg);	4041	$cb->($pkg);
2748	1	4042	1
2749	} or warn "$pkg unloaded, but with errors: $@";	4043	} or error "$pkg unloaded, but with errors: $@";
		4044	}
		4045
		4046	trace "... clearing $pkg";
		4047	clear_package $pkg;
2750	}	4048	}
2751		4049
2752	warn "... nuking $pkg";
2753	Symbol::delete_package $pkg;
2754	}
2755
2756	warn "unloading all perl modules loaded from $LIBDIR";	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2757	while (my ($k, $v) = each %INC) {	4051	while (my ($k, $v) = each %INC) {
2758	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2759		4053
2760	warn "... unloading $k";	4054	trace "... unloading $k";
2761	delete $INC{$k};	4055	delete $INC{$k};
2762		4056
2763	$k =~ s/\.pm$//;	4057	$k =~ s/\.pm$//;
2764	$k =~ s/\//::/g;	4058	$k =~ s/\//::/g;
2765		4059
2766	if (my $cb = $k->can ("unload_module")) {	4060	if (my $cb = $k->can ("unload_module")) {
2767	$cb->();	4061	$cb->();
		4062	}
		4063
		4064	clear_package $k;
2768	}	4065	}
2769		4066
2770	Symbol::delete_package $k;
2771	}
2772
2773	warn "getting rid of safe::, as good as possible";	4067	trace "perl_reload: getting rid of safe::, as good as possible";
2774	Symbol::delete_package "safe::$_"	4068	clear_package "safe::$_"
2775	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4069	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2776		4070
2777	warn "unloading cf.pm \"a bit\"";	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
2778	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
2779	delete $INC{"cf/pod.pm"};	4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2780		4074
2781	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
2782	# and global variables created in xs	4076	# and global variables created in xs
2783	#Symbol::delete_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
2784		4078
2785	warn "unload completed, starting to reload now";	4079	info "perl_reload: unload completed, starting to reload now";
2786		4080
2787	warn "reloading cf.pm";	4081	trace "perl_reload: reloading cf.pm";
2788	require cf;	4082	require cf;
2789	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
2790		4084
2791	warn "loading config and database again";	4085	trace "perl_reload: loading config and database again";
2792	cf::cfg_load;	4086	cf::reload_config;
2793		4087
2794	warn "loading extensions";	4088	trace "perl_reload: loading extensions";
2795	cf::load_extensions;	4089	cf::load_extensions;
2796		4090
		4091	if ($REATTACH_ON_RELOAD) {
2797	warn "reattaching attachments to objects/players";	4092	trace "perl_reload: reattaching attachments to objects/players";
2798	_global_reattach; # objects, sockets	4093	_global_reattach; # objects, sockets
2799	warn "reattaching attachments to maps";	4094	trace "perl_reload: reattaching attachments to maps";
2800	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
2801	warn "reattaching attachments to players";	4096	trace "perl_reload: reattaching attachments to players";
2802	reattach $_ for values %PLAYER;	4097	reattach $_ for values %PLAYER;
		4098	}
2803		4099
2804	warn "leaving sync_job";	4100	cf::_post_init 1;
2805		4101
		4102	trace "perl_reload: leaving sync_job";
		4103
2806	1	4104	1
2807	} or do {	4105	} or do {
2808	warn $@;	4106	error $@;
2809	warn "error while reloading, exiting.";	4107	cf::cleanup "perl_reload: error, exiting.";
2810	exit 1;	4108	};
		4109
		4110	--$RELOAD;
2811	};	4111	}
2812		4112
2813	warn "reloaded";	4113	$t1 = AE::time - $t1;
		4114	info "perl_reload: completed in ${t1}s\n";
2814	};	4115	};
2815		4116
2816	our $RELOAD_WATCHER; # used only during reload	4117	our $RELOAD_WATCHER; # used only during reload
2817		4118
2818	sub reload_perl() {	4119	sub reload_perl() {
2819	# doing reload synchronously and two reloads happen back-to-back,	4120	# doing reload synchronously and two reloads happen back-to-back,
2820	# coro crashes during coro_state_free->destroy here.	4121	# coro crashes during coro_state_free->destroy here.
2821		4122
2822	$RELOAD_WATCHER ||= Event->timer (	4123	$RELOAD_WATCHER ||= cf::async {
2823	reentrant => 0,	4124	Coro::AIO::aio_wait cache_extensions;
2824	after => 0,	4125
2825	data => WF_AUTOCANCEL,	4126	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2826	cb => sub {
2827	do_reload_perl;	4127	do_reload_perl;
2828	undef $RELOAD_WATCHER;	4128	undef $RELOAD_WATCHER;
2829	},	4129	};
2830	);	4130	};
2831	}	4131	}
2832		4132
2833	register_command "reload" => sub {	4133	register_command "reload" => sub {
2834	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
2835		4135
2836	if ($who->flag (FLAG_WIZ)) {	4136	if ($who->flag (FLAG_WIZ)) {
2837	$who->message ("reloading server.");	4137	$who->message ("reloading server.");
		4138	async {
		4139	$Coro::current->{desc} = "perl_reload";
2838	async { reload_perl };	4140	reload_perl;
		4141	};
2839	}	4142	}
2840	};	4143	};
2841		4144
2842	unshift @INC, $LIBDIR;	4145	#############################################################################
2843		4146
2844	my $bug_warning = 0;	4147	my $bug_warning = 0;
2845		4148
2846	our @WAIT_FOR_TICK;
2847	our @WAIT_FOR_TICK_BEGIN;
2848
2849	sub wait_for_tick {	4149	sub wait_for_tick() {
2850	return unless $TICK_WATCHER->is_active;	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2851	return if $Coro::current == $Coro::main;
2852		4151
2853	my $signal = new Coro::Signal;	4152	$WAIT_FOR_TICK->wait;
2854	push @WAIT_FOR_TICK, $signal;
2855	$signal->wait;
2856	}	4153	}
2857		4154
2858	sub wait_for_tick_begin {	4155	sub wait_for_tick_begin() {
2859	return unless $TICK_WATCHER->is_active;	4156	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2860	return if $Coro::current == $Coro::main;
2861		4157
2862	my $signal = new Coro::Signal;	4158	my $signal = new Coro::Signal;
2863	push @WAIT_FOR_TICK_BEGIN, $signal;	4159	push @WAIT_FOR_TICK_BEGIN, $signal;
2864	$signal->wait;	4160	$signal->wait;
2865	}	4161	}
2866		4162
2867	my $min = 1e6;#d#	4163	sub tick {
2868	my $avg = 10;
2869	$TICK_WATCHER = Event->timer (
2870	reentrant => 0,
2871	parked => 1,
2872	prio => 0,
2873	at => $NEXT_TICK || $TICK,
2874	data => WF_AUTOCANCEL,
2875	cb => sub {
2876	if ($Coro::current != $Coro::main) {	4164	if ($Coro::current != $Coro::main) {
2877	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2878	unless ++$bug_warning > 10;	4166	unless ++$bug_warning > 10;
2879	return;	4167	return;
2880	}	4168	}
2881		4169
2882	$NOW = $tick_start = Event::time;	4170	cf::one_tick; # one server iteration
2883		4171
2884	cf::server_tick; # one server iteration	4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2885		4173
2886	0 && sync_job {#d#	4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2887	for(1..10) {	4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2888	my $t = Event::time;	4176	Coro::async_pool {
2889	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4177	$Coro::current->{desc} = "runtime saver";
2890	or die;	4178	write_runtime_sync
2891		4179	or error "ERROR: unable to write runtime file: $!";
2892	$map->width (50);
2893	$map->height (50);
2894	$map->alloc;
2895	$map->_load_objects ("/tmp/x.map", 1);
2896	my $t = Event::time - $t;
2897
2898	#next unless $t < 0.0013;#d#
2899	if ($t < $min) {
2900	$min = $t;
2901	}
2902	$avg = $avg * 0.99 + $t * 0.01;
2903	}
2904	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2905	exit 0;
2906	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2907	};	4180	};
		4181	}
2908		4182
2909	$RUNTIME += $TICK;
2910	$NEXT_TICK += $TICK;
2911
2912	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2913	$NEXT_RUNTIME_WRITE = $NOW + 10;
2914	Coro::async_pool {
2915	write_runtime
2916	or warn "ERROR: unable to write runtime file: $!";
2917	};
2918	}
2919
2920	# my $AFTER = Event::time;
2921	# warn $AFTER - $NOW;#d#
2922
2923	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2924	$sig->send;	4184	$sig->send;
2925	}	4185	}
2926	while (my $sig = shift @WAIT_FOR_TICK) {	4186	$WAIT_FOR_TICK->broadcast;
2927	$sig->send;
2928	}
2929		4187
2930	$NOW = Event::time;	4188	$LOAD = ($NOW - $TICK_START) / $TICK;
2931
2932	# if we are delayed by four ticks or more, skip them all
2933	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2934
2935	$TICK_WATCHER->at ($NEXT_TICK);
2936	$TICK_WATCHER->start;
2937
2938	$LOAD = ($NOW - $tick_start) / $TICK;
2939	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2940		4190
2941	_post_tick;	4191	if (0) {
2942		4192	if ($NEXT_TICK) {
2943		4193	my $jitter = $TICK_START - $NEXT_TICK;
		4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4195	debug "jitter $JITTER\n";#d#
		4196	}
2944	},	4197	}
2945	);	4198	}
2946		4199
2947	{	4200	{
2948	BDB::max_poll_time $TICK * 0.1;	4201	# configure BDB
2949	$BDB_POLL_WATCHER = Event->io (	4202
2950	reentrant => 0,
2951	fd => BDB::poll_fileno,
2952	poll => 'r',
2953	prio => 0,
2954	data => WF_AUTOCANCEL,
2955	cb => \&BDB::poll_cb,
2956	);
2957	BDB::min_parallel 8;	4203	BDB::min_parallel 16;
2958		4204	BDB::max_poll_reqs $TICK * 0.1;
2959	BDB::set_sync_prepare {	4205	#$AnyEvent::BDB::WATCHER->priority (1);
2960	my $status;
2961	my $current = $Coro::current;
2962	(
2963	sub {
2964	$status = $!;
2965	$current->ready; undef $current;
2966	},
2967	sub {
2968	Coro::schedule while defined $current;
2969	$! = $status;
2970	},
2971	)
2972	};
2973		4206
2974	unless ($DB_ENV) {	4207	unless ($DB_ENV) {
2975	$DB_ENV = BDB::db_env_create;	4208	$DB_ENV = BDB::db_env_create;
		4209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4210	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4211	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4212	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4213	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2976		4214
2977	cf::sync_job {	4215	cf::sync_job {
2978	eval {	4216	eval {
2979	BDB::db_env_open	4217	BDB::db_env_open
2980	$DB_ENV,	4218	$DB_ENV,
…		…
2982	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4220	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2983	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4221	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2984	0666;	4222	0666;
2985		4223
2986	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4224	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2987
2988	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2989	$DB_ENV->set_lk_detect;
2990	};	4225	};
2991		4226
2992	cf::cleanup "db_env_open(db): $@" if $@;	4227	cf::cleanup "db_env_open(db): $@" if $@;
2993	};	4228	};
2994	}	4229	}
		4230
		4231	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4232	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4233	};
		4234	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4235	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4236	};
		4237	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4238	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4239	};
2995	}	4240	}
2996		4241
2997	{	4242	{
		4243	# configure IO::AIO
		4244
2998	IO::AIO::min_parallel 8;	4245	IO::AIO::min_parallel 8;
2999
3000	undef $Coro::AIO::WATCHER;
3001	IO::AIO::max_poll_time $TICK * 0.1;	4246	IO::AIO::max_poll_time $TICK * 0.1;
3002	$AIO_POLL_WATCHER = Event->io (	4247	undef $AnyEvent::AIO::WATCHER;
3003	reentrant => 0,
3004	data => WF_AUTOCANCEL,
3005	fd => IO::AIO::poll_fileno,
3006	poll => 'r',
3007	prio => 6,
3008	cb => \&IO::AIO::poll_cb,
3009	);
3010	}	4248	}
3011		4249
3012	my $_log_backtrace;	4250	our $_log_backtrace;
		4251	our $_log_backtrace_last;
3013		4252
3014	sub _log_backtrace {	4253	sub _log_backtrace {
3015	my ($msg, @addr) = @_;	4254	my ($msg, @addr) = @_;
3016		4255
3017	$msg =~ s/\n//;	4256	$msg =~ s/\n$//;
3018		4257
		4258	if ($_log_backtrace_last eq $msg) {
		4259	LOG llevInfo, "[ABT] $msg\n";
		4260	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3019	# limit the # of concurrent backtraces	4261	# limit the # of concurrent backtraces
3020	if ($_log_backtrace < 2) {	4262	} elsif ($_log_backtrace < 2) {
		4263	$_log_backtrace_last = $msg;
3021	++$_log_backtrace;	4264	++$_log_backtrace;
		4265	my $perl_bt = Carp::longmess $msg;
3022	async {	4266	async {
		4267	$Coro::current->{desc} = "abt $msg";
		4268
3023	my @bt = fork_call {	4269	my @bt = fork_call {
3024	@addr = map { sprintf "%x", $_ } @addr;	4270	@addr = map { sprintf "%x", $_ } @addr;
3025	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4271	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3026	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4272	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3027	or die "addr2line: $!";	4273	or die "addr2line: $!";
…		…
3035	}	4281	}
3036		4282
3037	@funcs	4283	@funcs
3038	};	4284	};
3039		4285
3040	LOG llevInfo, "[ABT] $msg\n";	4286	LOG llevInfo, "[ABT] $perl_bt\n";
		4287	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3041	LOG llevInfo, "[ABT] $_\n" for @bt;	4288	LOG llevInfo, "[ABT] $_\n" for @bt;
3042	--$_log_backtrace;	4289	--$_log_backtrace;
3043	};	4290	};
3044	} else {	4291	} else {
3045	LOG llevInfo, "[ABT] $msg\n";	4292	LOG llevInfo, "[ABT] $msg\n";
3046	LOG llevInfo, "[ABT] [suppressed]\n";	4293	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3047	}	4294	}
3048	}	4295	}
3049		4296
3050	# load additional modules	4297	# load additional modules
3051	use cf::pod;	4298	require "cf/$_.pm" for @EXTRA_MODULES;
		4299	cf::_connect_to_perl_2;
3052		4300
3053	END { cf::emergency_save }	4301	END { cf::emergency_save }
3054		4302
3055	1	4303	1
3056		4304

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