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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.273 by root, Mon Jun 4 12:19:08 2007 UTC vs.
Revision 1.582 by root, Fri Feb 3 03:01:45 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	$EV::DIED = sub {
209	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
210	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
211		350
212	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
213		352
214	=over 4	353	=over 4
215		354
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	374	$d
236	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
237	}	376	}
238		377
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	378	=item $scalar = cf::load_file $path
240		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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";#d#
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 || []};#d#	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
1308	local $self->{path};	2018	local $self->{path};
1309	local $self->{load_path};	2019	local $self->{load_path};
1310	local $self->{deny_save};
1311	local $self->{deny_reset};
1312		2020
1313	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1314	}	2022	}
1315		2023
1316	sub normalise {	2024	sub normalise {
1317	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1318		2026
1319	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1320		2028
1321	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1322		2030
1323	# map plan:	2031	# map plan:
1324	#	2032	#
…		…
1339	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1340	$path = "$base/$path";	2048	$path = "$base/$path";
1341	}	2049	}
1342		2050
1343	for ($path) {	2051	for ($path) {
1344	redo if s{//}{/};
1345	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1346	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1347	}	2054	}
1348		2055
1349	$path	2056	$path
…		…
1363	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1364	return $self;	2071	return $self;
1365	}	2072	}
1366	}	2073	}
1367		2074
1368	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1369	()	2076	()
1370	}	2077	}
1371		2078
		2079	# may re-bless or do other evil things
1372	sub init {	2080	sub init {
1373	my ($self) = @_;	2081	my ($self) = @_;
1374		2082
1375	$self	2083	$self
1376	}	2084	}
…		…
1395		2103
1396	# the temporary/swap location	2104	# the temporary/swap location
1397	sub save_path {	2105	sub save_path {
1398	my ($self) = @_;	2106	my ($self) = @_;
1399		2107
1400	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1401	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1402	}	2110	}
1403		2111
1404	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1405	sub uniq_path {	2113	sub uniq_path {
1406	my ($self) = @_;	2114	my ($self) = @_;
1407		2115
1408	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1409	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1410	}	2118	}
1411		2119
1412	# and all this just because we cannot iterate over	2120	sub decay_objects {
1413	# all maps in C++...
1414	sub change_all_map_light {
1415	my ($change) = @_;	2121	my ($self) = @_;
1416		2122
1417	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1418	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1419	}	2126	}
1420		2127
1421	sub unlink_save {	2128	sub unlink_save {
1422	my ($self) = @_;	2129	my ($self) = @_;
1423		2130
…		…
1428		2135
1429	sub load_header_from($) {	2136	sub load_header_from($) {
1430	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1431		2138
1432	utf8::encode $path;	2139	utf8::encode $path;
1433	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1434	# or return;
1435
1436	$self->_load_header ($path)
1437	or return;	2141	or return;
1438		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1439	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1440		2150
1441	1	2151	1
1442	}	2152	}
1443		2153
		2154	# used to laod the header of an original map
1444	sub load_header_orig {	2155	sub load_header_orig {
1445	my ($self) = @_;	2156	my ($self) = @_;
1446		2157
1447	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1448	}	2159	}
1449		2160
		2161	# used to laod the header of an instantiated map
1450	sub load_header_temp {	2162	sub load_header_temp {
1451	my ($self) = @_;	2163	my ($self) = @_;
1452		2164
1453	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1454	}	2166	}
1455		2167
		2168	# called after loading the header from an instantiated map
1456	sub prepare_temp {	2169	sub prepare_temp {
1457	my ($self) = @_;	2170	my ($self) = @_;
1458		2171
1459	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1460	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1461	# safety	2174	# safety
1462	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1463	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1464	}	2177	}
1465		2178
		2179	# called after loading the header from an original map
1466	sub prepare_orig {	2180	sub prepare_orig {
1467	my ($self) = @_;	2181	my ($self) = @_;
1468		2182
1469	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1470	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1481	$self->load_header_orig	2195	$self->load_header_orig
1482	or return;	2196	or return;
1483	$self->prepare_orig;	2197	$self->prepare_orig;
1484	}	2198	}
1485		2199
		2200	$self->{deny_reset} = 1
		2201	if $self->no_reset;
		2202
1486	$self->default_region (cf::region::find_by_path $self->{path})	2203	$self->default_region (cf::region::find_by_path $self->{path})
1487	unless $self->default_region;	2204	unless $self->default_region;
1488		2205
1489	1	2206	1
1490	}	2207	}
1491		2208
1492	sub find;	2209	sub find;
1493	sub find {	2210	sub find {
1494	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1495		2212
		2213	cf::cede_to_tick;
		2214
1496	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1497		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1498	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1499		2219
1500	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1501	my $guard = cf::lock_acquire "map_find:$path";
1502	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1503	or return;	2222	or return;
1504		2223
1505	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1506		2225
1507	$map->load_header	2226	$map->load_header
1508	or return;	2227	or return;
1509		2228
1510	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1511	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1512	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1513	$map->reset;	2234	$map->reset;
1514	undef $guard;
1515	return find $path;	2235	return find $path;
1516	}	2236	}
1517		2237
1518	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1519	}	2239	}
1520	}	2240	}
1521		2241
1522	sub pre_load { }	2242	sub pre_load { }
1523	sub post_load { }	2243	#sub post_load { } # XS
1524		2244
1525	sub load {	2245	sub load {
1526	my ($self) = @_;	2246	my ($self) = @_;
1527		2247
1528	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1529		2249
1530	my $path = $self->{path};	2250	my $path = $self->{path};
1531		2251
1532	{	2252	{
1533	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1534		2254
		2255	return unless $self->valid;
1535	return if $self->in_memory != cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1536
1537	$self->in_memory (cf::MAP_LOADING);
1538		2257
1539	$self->alloc;	2258	$self->alloc;
1540		2259
1541	$self->pre_load;	2260	$self->pre_load;
1542	Coro::cede;	2261	cf::cede_to_tick;
1543		2262
1544	$self->_load_objects ($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)
1545	or return;	2267	or return;
1546		2268
1547	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1548	if delete $self->{load_original};	2270	if delete $self->{load_original};
1549		2271
1550	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1551	utf8::encode $uniq;	2273	utf8::encode $uniq;
1552	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1553	$self->clear_unique_items;	2276	$self->clear_unique_items;
1554	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1555	}	2281	}
1556	}
1557		2282
1558	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;
1559	# now do the right thing for maps	2292	# now do the right thing for maps
1560	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1561	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1562	unless $self->difficulty;	2295	unless $self->difficulty;
1563	Coro::cede;	2296	cf::cede_to_tick;
1564		2297
1565	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1566	$self->decay_objects;	2299	$self->decay_objects;
1567	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1568	$self->update_buttons;	2301	$self->update_buttons;
1569	Coro::cede;	2302	cf::cede_to_tick;
1570	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
1571	Coro::cede;
1572	$self->activate;
1573	}	2304	}
1574		2305
1575	$self->in_memory (cf::MAP_IN_MEMORY);	2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1576	}	2308	}
1577		2309
1578	$self->post_load;	2310	$self->post_load;
1579	}
1580		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1581	sub customise_for {	2318	sub customise_for {
1582	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1583		2320
1584	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1585	if $self->per_player;	2322	if $self->per_player;
1586		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1587	$self	2327	$self
1588	}
1589
1590	# find and load all maps in the 3x3 area around a map
1591	sub load_diag {
1592	my ($map) = @_;
1593
1594	my @diag; # diagonal neighbours
1595
1596	for (0 .. 3) {
1597	my $neigh = $map->tile_path ($_)
1598	or next;
1599	$neigh = find $neigh, $map
1600	or next;
1601	$neigh->load;
1602
1603	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1604	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1605	}
1606
1607	for (@diag) {
1608	my $neigh = find @$_
1609	or next;
1610	$neigh->load;
1611	}
1612	}	2328	}
1613		2329
1614	sub find_sync {	2330	sub find_sync {
1615	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1616		2332
1617	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, $origin
1618	}	2338	}
1619		2339
1620	sub do_load_sync {	2340	sub do_load_sync {
1621	my ($map) = @_;	2341	my ($map) = @_;
1622		2342
1623	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;
1624	}	2348	}
1625		2349
1626	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1627	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1628		2352
1629	sub find_async {	2353	sub find_async {
1630	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1631		2355
1632	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1633		2357
1634	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1635	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1636	}	2360	}
1637		2361
1638	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1639	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1640	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1641	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1642	my $map = find $path	2369	if (my $map = find $k) {
1643	or next;
1644	$map->load;	2370	$map->load if $v;
		2371	}
1645		2372
1646	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1647	}	2374	}
1648	}	2375	}
1649	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1650	};	2377	};
1651	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1652		2379
1653	()	2380	()
1654	}	2381	}
1655		2382
		2383	# common code, used by both ->save and ->swapout
1656	sub save {	2384	sub _save {
1657	my ($self) = @_;	2385	my ($self) = @_;
1658
1659	my $lock = cf::lock_acquire "map_data:" . $self->path;
1660		2386
1661	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1662		2388
1663	return unless $self->dirty;	2389	return unless $self->dirty;
1664		2390
…		…
1670	return if $self->{deny_save};	2396	return if $self->{deny_save};
1671		2397
1672	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1673		2399
1674	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1675	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1676	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1677		2406
1678	if ($uniq) {	2407	if ($uniq) {
1679	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1680	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1681	} else {	2410	} else {
1682	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1683	}	2412	}
1684	}	2413	}
1685		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1686	sub swap_out {	2423	sub swap_out {
1687	my ($self) = @_;	2424	my ($self) = @_;
1688		2425
1689	# save first because save cedes
1690	$self->save;
1691
1692	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1693		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1694	return if $self->players;	2430	return if $self->players;
1695	return if $self->in_memory != cf::MAP_IN_MEMORY;
1696	return if $self->{deny_save};
1697		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
1698	$self->clear;	2441	$self->clear;
1699	$self->in_memory (cf::MAP_SWAPPED);
1700	}	2442	}
1701		2443
1702	sub reset_at {	2444	sub reset_at {
1703	my ($self) = @_;	2445	my ($self) = @_;
1704		2446
1705	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1706	return 1e99 if $self->isa ("ext::map_per_player");#d#
1707	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1708		2449
1709	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1710	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1711		2452
…		…
1722	my ($self) = @_;	2463	my ($self) = @_;
1723		2464
1724	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1725		2466
1726	return if $self->players;	2467	return if $self->players;
1727	return if $self->isa ("ext::map_per_player");#d#
1728		2468
1729	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
1730		2470
1731	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1732		2472
1733	# need to save uniques path	2473	# need to save uniques path
1734	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1735	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1736		2476
…		…
1738	if $uniq;	2478	if $uniq;
1739	}	2479	}
1740		2480
1741	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1742		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1743	$self->clear;	2485	$self->clear;
1744
1745	$_->clear_links_to ($self) for values %cf::MAP;
1746		2486
1747	$self->unlink_save;	2487	$self->unlink_save;
1748	$self->destroy;	2488	$self->destroy;
1749	}	2489	}
1750		2490
1751	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1752		2492
1753	sub nuke {	2493	sub nuke {
1754	my ($self) = @_;	2494	my ($self) = @_;
1755		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1756	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1757		2500
1758	$self->unlink_save;	2501	$self->unlink_save;
1759		2502
1760	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1761	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1762	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1763	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1764	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1765		2508
1766	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1767		2511
1768	$self->reset; # polite request, might not happen	2512	$self->reset; # polite request, might not happen
		2513	}
		2514
		2515	=item $maps = cf::map::tmp_maps
		2516
		2517	Returns an arrayref with all map paths of currently instantiated and saved
		2518	maps. May block.
		2519
		2520	=cut
		2521
		2522	sub tmp_maps() {
		2523	[
		2524	map {
		2525	utf8::decode $_;
		2526	/\.map$/
		2527	? normalise $_
		2528	: ()
		2529	} @{ aio_readdir $TMPDIR or [] }
		2530	]
		2531	}
		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	]
1769	}	2549	}
1770		2550
1771	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1772		2552
1773	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1774	instantiated unique items. May block.	2554	instantiated unique items. May block.
1775		2555
1776	=cut	2556	=cut
1777		2557
1778	sub unique_maps() {	2558	sub unique_maps() {
1779	my $files = aio_readdir $UNIQUEDIR	2559	[
1780	or return;	2560	map {
1781
1782	my @paths;
1783
1784	for (@$files) {
1785	utf8::decode $_;	2561	utf8::decode $_;
1786	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1787	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1788		2564	? ()
1789	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1790	}	2567	]
1791
1792	\@paths
1793	}	2568	}
1794		2569
1795	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	}
1796		2601
1797	=back	2602	=back
1798		2603
1799	=head3 cf::object	2604	=head3 cf::object
1800		2605
…		…
1804		2609
1805	=over 4	2610	=over 4
1806		2611
1807	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1808		2613
1809	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.
1810		2616
1811	=cut	2617	=cut
1812		2618
1813	sub inv_recursive_;	2619	sub inv_recursive_;
1814	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1817		2623
1818	sub inv_recursive {	2624	sub inv_recursive {
1819	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1820	}	2626	}
1821		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
1822	package cf;	2656	package cf;
1823		2657
1824	=back	2658	=back
1825		2659
1826	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1832	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>
1833	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
1834	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1835		2669
1836	=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	};
1837		2685
1838	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1839	# with dialog boxes.	2687	# with dialog boxes.
1840	#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
1841	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1843		2691
1844	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1845		2693
1846	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1847	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1848	} 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 {
1849	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1850	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1851	}	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 (@_);
1852	}	2719	}
1853		2720
1854	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1855		2722
1856	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1869		2736
1870	=item $player_object->enter_link	2737	=item $player_object->enter_link
1871		2738
1872	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}>).
1873		2740
1874	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.
1875	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.
1876		2745
1877	Will never block.	2746	Will never block.
1878		2747
1879	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1880		2749
…		…
1900	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1901	my ($self) = @_;	2770	my ($self) = @_;
1902		2771
1903	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1904		2773
		2774	++$self->{_link_recursion};
		2775
1905	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1906		2777
1907	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1908	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
1909		2780
1910	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1911	}	2782	}
1912		2783
1913	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1914	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
1915		2786
…		…
1932	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1933	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1934		2805
1935	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1936	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1937	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1938		2809
1939	$map->load;	2810	$map->load;
1940	$map->load_diag;
1941		2811
1942	return unless $self->contr->active;	2812	return unless $self->contr->active;
1943	$self->activate_recursive;
1944		2813
1945	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1946	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
1947	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
1948		2821
		2822	}
		2823
1949	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1950		2825
1951	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
1952	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
1953	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
1954	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 >>.
1955		2834
1956	=cut	2835	=cut
1957		2836
1958	our $GOTOGEN;	2837	our $GOTOGEN;
1959		2838
1960	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1961	my ($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	}
1962		2847
1963	# 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
1964	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1965		2850
1966	$self->enter_link;	2851	$self->enter_link;
1967		2852
1968	(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
1969	my $map = eval {	2875	my $map = eval {
1970	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1971		2877
1972	if ($map) {	2878	if ($map) {
1973	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
1974	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
1975	} else {	2881	} else {
1976	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1977	}	2883	}
1978		2884
1979	$map	2885	$map
1980	};	2886	};
1981		2887
…		…
1986		2892
1987	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
1988	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
1989	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
1990	}	2896	}
		2897
		2898	$done->($self) if $done;
1991	})->prio (1);	2899	})->prio (1);
1992	}	2900	}
1993		2901
1994	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1995		2903
…		…
2015	}	2923	}
2016		2924
2017	sub prepare_random_map {	2925	sub prepare_random_map {
2018	my ($exit) = @_;	2926	my ($exit) = @_;
2019		2927
2020	my $guard = cf::lock_acquire "exit_prepare:$exit";
2021
2022	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2023	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2024	# that depends on the exit object	2930	# that depends on the exit object
2025		2931
2026	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2028	if ($exit->map) {	2934	if ($exit->map) {
2029	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2030	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2031	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2032	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2033	}	2941	}
2034		2942
2035	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2036		2944
2037	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2038	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2039	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2040		2948
2041	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2042	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2043	undef $fh;	2951	undef $fh;
2044	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2045		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2046	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2047	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2048	}	2960	}
2049	}	2961	}
2050		2962
2051	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2052	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2053		2965
2054	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2055		2967
2056	if ($exit->slaying eq "/!") {
2057	#TODO: this should de-fi-ni-te-ly not be a sync-job
2058	# the problem is that $exit might not survive long enough
2059	# so it needs to be done right now, right here
2060	cf::sync_job { prepare_random_map $exit };
2061	}
2062
2063	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2064	my $hp = $exit->stats->hp;
2065	my $sp = $exit->stats->sp;
2066
2067	$self->enter_link;	2968	$self->enter_link;
2068		2969
2069	(async {	2970	(async {
2070	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2071	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
2072	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2073		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
2074	1;	3009	1
2075	}) {	3010	}) {
2076	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2077	. "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. "
2078	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2079	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2080		3015
2081	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2082	$self->leave_link;	3017	$self->leave_link;
2083	}	3018	}
2084	})->prio (1);	3019	})->prio (1);
2085	}	3020	}
2086		3021
…		…
2100		3035
2101	utf8::encode $text;	3036	utf8::encode $text;
2102	$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);
2103	}	3038	}
2104		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
2105	=item $client->ext_event ($type, %msg)	3227	=item $client->ext_msg ($type, @msg)
2106		3228
2107	Sends an exti event to the client.	3229	Sends an ext event to the client.
2108		3230
2109	=cut	3231	=cut
2110		3232
2111	sub cf::client::ext_event($$%) {	3233	sub cf::client::ext_msg($$@) {
2112	my ($self, $type, %msg) = @_;	3234	my ($self, $type, @msg) = @_;
2113		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
2114	$msg{msgtype} = "event_$type";	3239	push @msg, msgtype => "event_$type";
2115	$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]));
2116	}	3256	}
2117		3257
2118	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2119		3259
2120	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
2121	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>,
2122	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>.
2123		3263
2124	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
2125	reliable at some point in the future.	3265	become reliable at some point in the future.
2126		3266
2127	=cut	3267	=cut
2128		3268
2129	sub cf::client::query {	3269	sub cf::client::query {
2130	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
2138	utf8::encode $text;	3278	utf8::encode $text;
2139	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2140		3280
2141	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2142	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2143	}	3285	}
2144		3286
2145	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	},
2146	on_reply => sub {	3293	on_reply => sub {
2147	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2148		3295
2149	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2150	# get handled first	3297	# get handled first
…		…
2162	} else {	3309	} else {
2163	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2164	}	3311	}
2165	}	3312	}
2166	},	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	},
2167	);	3337	);
2168		3338
2169	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2170		3340
2171	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2187		3357
2188	$coro	3358	$coro
2189	}	3359	}
2190		3360
2191	cf::client->attach (	3361	cf::client->attach (
2192	on_destroy => sub {	3362	on_client_destroy => sub {
2193	my ($ns) = @_;	3363	my ($ns) = @_;
2194		3364
2195	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2196	},	3366	},
2197	);	3367	);
…		…
2212	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2213	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2214		3384
2215	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2216		3386
2217	$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	));
2218		3392
2219	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2220		3394
2221	=pod	3395	=pod
2222		3396
2223	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2224		3398
2225	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
2226	cf::object::player player	3404	cf::object::player
2227	cf::player peaceful	3405	player
2228	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2229		3412
2230	=cut	3413	=cut
2231		3414
2232	for (	3415	for (
2233	["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)],
2234	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2235	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2236	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2237	) {	3422	) {
2238	no strict 'refs';
2239	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2240	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2241	for @funs;	3425	for @funs;
2242	}	3426	}
2243		3427
…		…
2258		3442
2259	my $qcode = $code;	3443	my $qcode = $code;
2260	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2261	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2262		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2263	local $_;	3450	local $_;
2264	local @safe::cf::_safe_eval_args = values %vars;
2265		3451
2266	my $eval =	3452	my $eval =
2267	"do {\n"	3453	"do {\n"
2268	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2269	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2270	. $code	3456	. $code
2271	. "\n}"	3457	. "\n}"
2272	;	3458	;
2273		3459
		3460	if ($CFG{safe_eval}) {
2274	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2275	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2276	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	}
2277		3469
2278	if ($@) {	3470	if ($@) {
2279	warn "$@";	3471	warn "$@",
2280	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2281	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2282	}	3474	}
2283		3475
2284	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2285	}	3477	}
2286		3478
…		…
2300	=cut	3492	=cut
2301		3493
2302	sub register_script_function {	3494	sub register_script_function {
2303	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2304		3496
2305	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2306	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2307	}	3499	}
2308		3500
2309	=back	3501	=back
2310		3502
2311	=cut	3503	=cut
2312
2313	#############################################################################
2314
2315	=head2 EXTENSION DATABASE SUPPORT
2316
2317	Crossfire maintains a very simple database for extension use. It can
2318	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2319	convert to/from binary).
2320
2321	The parameter C<$family> should best start with the name of the extension
2322	using it, it should be unique.
2323
2324	=over 4
2325
2326	=item $value = cf::db_get $family => $key
2327
2328	Returns a single value from the database.
2329
2330	=item cf::db_put $family => $key => $value
2331
2332	Stores the given C<$value> in the family.
2333
2334	=cut
2335
2336	our $DB;
2337
2338	sub db_init {
2339	unless ($DB) {
2340	$DB = BDB::db_create $DB_ENV;
2341
2342	cf::sync_job {
2343	eval {
2344	$DB->set_flags (BDB::CHKSUM);
2345
2346	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2347	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2348	cf::cleanup "db_open(db): $!" if $!;
2349	};
2350	cf::cleanup "db_open(db): $@" if $@;
2351	};
2352	}
2353	}
2354
2355	sub db_get($$) {
2356	my $key = "$_[0]/$_[1]";
2357
2358	cf::sync_job {
2359	BDB::db_get $DB, undef, $key, my $data;
2360
2361	$! ? ()
2362	: $data
2363	}
2364	}
2365
2366	sub db_put($$$) {
2367	BDB::dbreq_pri 4;
2368	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2369	}
2370
2371	=item cf::cache $id => [$paths...], $processversion => $process
2372
2373	Generic caching function that returns the value of the resource $id,
2374	caching and regenerating as required.
2375
2376	This function can block.
2377
2378	=cut
2379
2380	sub cache {
2381	my ($id, $src, $processversion, $process) = @_;
2382
2383	my $meta =
2384	join "\x00",
2385	$processversion,
2386	map {
2387	aio_stat $_
2388	and Carp::croak "$_: $!";
2389
2390	($_, (stat _)[7,9])
2391	} @$src;
2392
2393	my $dbmeta = db_get cache => "$id/meta";
2394	if ($dbmeta ne $meta) {
2395	# changed, we may need to process
2396
2397	my @data;
2398	my $md5;
2399
2400	for (0 .. $#$src) {
2401	0 <= aio_load $src->[$_], $data[$_]
2402	or Carp::croak "$src->[$_]: $!";
2403	}
2404
2405	# if processing is expensive, check
2406	# checksum first
2407	if (1) {
2408	$md5 =
2409	join "\x00",
2410	$processversion,
2411	map {
2412	Coro::cede;
2413	($src->[$_], Digest::MD5::md5_hex $data[$_])
2414	} 0.. $#$src;
2415
2416
2417	my $dbmd5 = db_get cache => "$id/md5";
2418	if ($dbmd5 eq $md5) {
2419	db_put cache => "$id/meta", $meta;
2420
2421	return db_get cache => "$id/data";
2422	}
2423	}
2424
2425	my $t1 = Time::HiRes::time;
2426	my $data = $process->(\@data);
2427	my $t2 = Time::HiRes::time;
2428
2429	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2430
2431	db_put cache => "$id/data", $data;
2432	db_put cache => "$id/md5" , $md5;
2433	db_put cache => "$id/meta", $meta;
2434
2435	return $data;
2436	}
2437
2438	db_get cache => "$id/data"
2439	}
2440
2441	=item fork_call { }, $args
2442
2443	Executes the given code block with the given arguments in a seperate
2444	process, returning the results. Everything must be serialisable with
2445	Coro::Storable. May, of course, block. Note that the executed sub may
2446	never block itself or use any form of Event handling.
2447
2448	=cut
2449
2450	sub fork_call(&@) {
2451	my ($cb, @args) = @_;
2452
2453	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2454	# or die "socketpair: $!";
2455	pipe my $fh1, my $fh2
2456	or die "pipe: $!";
2457
2458	if (my $pid = fork) {
2459	close $fh2;
2460
2461	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2462	$res = Coro::Storable::thaw $res;
2463
2464	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2465
2466	die $$res unless "ARRAY" eq ref $res;
2467
2468	return wantarray ? @$res : $res->[-1];
2469	} else {
2470	reset_signals;
2471	local $SIG{__WARN__};
2472	local $SIG{__DIE__};
2473	eval {
2474	close $fh1;
2475
2476	my @res = eval { $cb->(@args) };
2477	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2478	};
2479
2480	warn $@ if $@;
2481	_exit 0;
2482	}
2483	}
2484		3504
2485	#############################################################################	3505	#############################################################################
2486	# the server's init and main functions	3506	# the server's init and main functions
2487		3507
2488	sub load_facedata($) {	3508	sub load_facedata($) {
2489	my ($path) = @_;	3509	my ($path) = @_;
2490		3510
		3511	# HACK to clear player env face cache, we need some signal framework
		3512	# for this (global event?)
		3513	%ext::player_env::MUSIC_FACE_CACHE = ();
		3514
		3515	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3516
2491	warn "loading facedata from $path\n";	3517	trace "loading facedata from $path\n";
2492		3518
2493	my $facedata;	3519	my $facedata = decode_storable load_file $path;
2494	0 < aio_load $path, $facedata
2495	or die "$path: $!";
2496
2497	$facedata = Coro::Storable::thaw $facedata;
2498		3520
2499	$facedata->{version} == 2	3521	$facedata->{version} == 2
2500	or cf::cleanup "$path: version mismatch, cannot proceed.";	3522	or cf::cleanup "$path: version mismatch, cannot proceed.";
2501		3523
		3524	# patch in the exptable
		3525	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3526	$facedata->{resource}{"res/exp_table"} = {
		3527	type => FT_RSRC,
		3528	data => $exp_table,
		3529	hash => (Digest::MD5::md5 $exp_table),
		3530	};
		3531	cf::cede_to_tick;
		3532
2502	{	3533	{
2503	my $faces = $facedata->{faceinfo};	3534	my $faces = $facedata->{faceinfo};
2504		3535
2505	while (my ($face, $info) = each %$faces) {	3536	while (my ($face, $info) = each %$faces) {
2506	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3537	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3538
2507	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3539	cf::face::set_visibility $idx, $info->{visibility};
		3540	cf::face::set_magicmap $idx, $info->{magicmap};
2508	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3541	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2509	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3542	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2510	Coro::cede;	3543	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3544
		3545	cf::cede_to_tick;
2511	}	3546	}
2512		3547
2513	while (my ($face, $info) = each %$faces) {	3548	while (my ($face, $info) = each %$faces) {
2514	next unless $info->{smooth};	3549	next unless $info->{smooth};
		3550
2515	my $idx = cf::face::find $face	3551	my $idx = cf::face::find $face
2516	or next;	3552	or next;
		3553
2517	if (my $smooth = cf::face::find $info->{smooth}) {	3554	if (my $smooth = cf::face::find $info->{smooth}) {
		3555	cf::face::set_smooth $idx, $smooth;
2518	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3556	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2519	} else {	3557	} else {
2520	warn "smooth face '$info->{smooth}' not found for face '$face'";	3558	error "smooth face '$info->{smooth}' not found for face '$face'";
2521	}	3559	}
2522	Coro::cede;	3560
		3561	cf::cede_to_tick;
2523	}	3562	}
2524	}	3563	}
2525		3564
2526	{	3565	{
2527	my $anims = $facedata->{animinfo};	3566	my $anims = $facedata->{animinfo};
2528		3567
2529	while (my ($anim, $info) = each %$anims) {	3568	while (my ($anim, $info) = each %$anims) {
2530	cf::anim::set $anim, $info->{frames}, $info->{facings};	3569	cf::anim::set $anim, $info->{frames}, $info->{facings};
2531	Coro::cede;	3570	cf::cede_to_tick;
2532	}	3571	}
2533		3572
2534	cf::anim::invalidate_all; # d'oh	3573	cf::anim::invalidate_all; # d'oh
2535	}	3574	}
2536		3575
		3576	{
		3577	my $res = $facedata->{resource};
		3578
		3579	while (my ($name, $info) = each %$res) {
		3580	if (defined (my $type = $info->{type})) {
		3581	# TODO: different hash - must free and use new index, or cache ixface data queue
		3582	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3583
		3584	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3585	cf::face::set_type $idx, $type;
		3586	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3587	} else {
		3588	# $RESOURCE{$name} = $info; # unused
		3589	}
		3590
		3591	cf::cede_to_tick;
		3592	}
		3593	}
		3594
		3595	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3596
2537	1	3597	1
2538	}	3598	}
2539		3599
		3600	register_exticmd fx_want => sub {
		3601	my ($ns, $want) = @_;
		3602
		3603	while (my ($k, $v) = each %$want) {
		3604	$ns->fx_want ($k, $v);
		3605	}
		3606	};
		3607
		3608	sub load_resource_file($) {
		3609	my $guard = lock_acquire "load_resource_file";
		3610
		3611	my $status = load_resource_file_ $_[0];
		3612	get_slot 0.1, 100;
		3613	cf::arch::commit_load;
		3614
		3615	$status
		3616	}
		3617
2540	sub reload_regions {	3618	sub reload_regions {
		3619	# HACK to clear player env face cache, we need some signal framework
		3620	# for this (global event?)
		3621	%ext::player_env::MUSIC_FACE_CACHE = ();
		3622
2541	load_resource_file "$MAPDIR/regions"	3623	load_resource_file "$MAPDIR/regions"
2542	or die "unable to load regions file\n";	3624	or die "unable to load regions file\n";
		3625
		3626	for (cf::region::list) {
		3627	$_->{match} = qr/$_->{match}/
		3628	if exists $_->{match};
		3629	}
2543	}	3630	}
2544		3631
2545	sub reload_facedata {	3632	sub reload_facedata {
2546	load_facedata "$DATADIR/facedata"	3633	load_facedata "$DATADIR/facedata"
2547	or die "unable to load facedata\n";	3634	or die "unable to load facedata\n";
…		…
2555	sub reload_treasures {	3642	sub reload_treasures {
2556	load_resource_file "$DATADIR/treasures"	3643	load_resource_file "$DATADIR/treasures"
2557	or die "unable to load treasurelists\n";	3644	or die "unable to load treasurelists\n";
2558	}	3645	}
2559		3646
		3647	sub reload_sound {
		3648	trace "loading sound config from $DATADIR/sound\n";
		3649
		3650	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3651
		3652	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3653	my $sound = $soundconf->{compat}[$_]
		3654	or next;
		3655
		3656	my $face = cf::face::find "sound/$sound->[1]";
		3657	cf::sound::set $sound->[0] => $face;
		3658	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3659	}
		3660
		3661	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3662	my $face = cf::face::find "sound/$v";
		3663	cf::sound::set $k => $face;
		3664	}
		3665	}
		3666
2560	sub reload_resources {	3667	sub reload_resources {
2561	warn "reloading resource files...\n";	3668	trace "reloading resource files...\n";
2562		3669
		3670	reload_exp_table;
		3671	reload_materials;
		3672	reload_facedata;
		3673	reload_sound;
		3674	reload_archetypes;
2563	reload_regions;	3675	reload_regions;
2564	reload_facedata;
2565	reload_archetypes;
2566	reload_treasures;	3676	reload_treasures;
2567		3677
2568	warn "finished reloading resource files\n";	3678	trace "finished reloading resource files\n";
2569	}	3679	}
2570		3680
2571	sub init {	3681	sub reload_config {
2572	reload_resources;	3682	trace "reloading config file...\n";
2573	}
2574		3683
2575	sub cfg_load {	3684	my $config = load_file "$CONFDIR/config";
2576	open my $fh, "<:utf8", "$CONFDIR/config"	3685	utf8::decode $config;
2577	or return;	3686	*CFG = decode_yaml $config;
2578		3687
2579	local $/;
2580	*CFG = YAML::Syck::Load <$fh>;
2581
2582	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3688	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2583		3689
2584	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3690	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2585	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3691	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2586		3692
2587	if (exists $CFG{mlockall}) {	3693	if (exists $CFG{mlockall}) {
…		…
2591	};	3697	};
2592	warn $@ if $@;	3698	warn $@ if $@;
2593	}	3699	}
2594	}	3700	}
2595		3701
		3702	sub pidfile() {
		3703	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3704	or die "$PIDFILE: $!";
		3705	flock $fh, &Fcntl::LOCK_EX
		3706	or die "$PIDFILE: flock: $!";
		3707	$fh
		3708	}
		3709
		3710	# make sure only one server instance is running at any one time
		3711	sub atomic {
		3712	my $fh = pidfile;
		3713
		3714	my $pid = <$fh>;
		3715	kill 9, $pid if $pid > 0;
		3716
		3717	seek $fh, 0, 0;
		3718	print $fh $$;
		3719	}
		3720
		3721	sub main_loop {
		3722	trace "EV::loop starting\n";
		3723	if (1) {
		3724	EV::loop;
		3725	}
		3726	trace "EV::loop returned\n";
		3727	goto &main_loop unless $REALLY_UNLOOP;
		3728	}
		3729
2596	sub main {	3730	sub main {
		3731	cf::init_globals; # initialise logging
		3732
		3733	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3734	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3735	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3736	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3737
		3738	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3739
2597	# we must not ever block the main coroutine	3740	# we must not ever block the main coroutine
2598	local $Coro::idle = sub {	3741	local $Coro::idle = sub {
2599	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3742	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2600	(async {	3743	(async {
2601	Event::one_event;	3744	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3745	EV::loop EV::LOOP_ONESHOT;
2602	})->prio (Coro::PRIO_MAX);	3746	})->prio (Coro::PRIO_MAX);
2603	};	3747	};
2604		3748
2605	cfg_load;	3749	evthread_start IO::AIO::poll_fileno;
		3750
		3751	cf::sync_job {
		3752	cf::incloader::init ();
		3753
		3754	cf::init_anim;
		3755	cf::init_attackmess;
		3756	cf::init_dynamic;
		3757
		3758	cf::load_settings;
		3759
		3760	reload_resources;
		3761	reload_config;
2606	db_init;	3762	db_init;
		3763
		3764	cf::init_uuid;
		3765	cf::init_signals;
		3766	cf::init_skills;
		3767
		3768	cf::init_beforeplay;
		3769
		3770	atomic;
		3771
2607	load_extensions;	3772	load_extensions;
2608		3773
2609	$TICK_WATCHER->start;	3774	utime time, time, $RUNTIMEFILE;
2610	Event::loop;	3775
		3776	# no (long-running) fork's whatsoever before this point(!)
		3777	use POSIX ();
		3778	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3779
		3780	cf::_post_init 0;
		3781	};
		3782
		3783	cf::object::thawer::errors_are_fatal 0;
		3784	info "parse errors in files are no longer fatal from this point on.\n";
		3785
		3786	AE::postpone {
		3787	undef &main; # free gobs of memory :)
		3788	};
		3789
		3790	goto &main_loop;
2611	}	3791	}
2612		3792
2613	#############################################################################	3793	#############################################################################
2614	# initialisation and cleanup	3794	# initialisation and cleanup
2615		3795
2616	# install some emergency cleanup handlers	3796	# install some emergency cleanup handlers
2617	BEGIN {	3797	BEGIN {
		3798	our %SIGWATCHER = ();
2618	for my $signal (qw(INT HUP TERM)) {	3799	for my $signal (qw(INT HUP TERM)) {
2619	Event->signal (	3800	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	signal => $signal,
2623	prio => 0,
2624	cb => sub {
2625	cf::cleanup "SIG$signal";	3801	cf::cleanup "SIG$signal";
2626	},
2627	);	3802	};
		3803	}
		3804	}
		3805
		3806	sub write_runtime_sync {
		3807	my $t0 = AE::time;
		3808
		3809	# first touch the runtime file to show we are still running:
		3810	# the fsync below can take a very very long time.
		3811
		3812	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3813
		3814	my $guard = cf::lock_acquire "write_runtime";
		3815
		3816	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3817	or return;
		3818
		3819	my $value = $cf::RUNTIME + 90 + 10;
		3820	# 10 is the runtime save interval, for a monotonic clock
		3821	# 60 allows for the watchdog to kill the server.
		3822
		3823	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3824	and return;
		3825
		3826	# always fsync - this file is important
		3827	aio_fsync $fh
		3828	and return;
		3829
		3830	# touch it again to show we are up-to-date
		3831	aio_utime $fh, undef, undef;
		3832
		3833	close $fh
		3834	or return;
		3835
		3836	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3837	and return;
		3838
		3839	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3840
2628	}	3841	1
		3842	}
		3843
		3844	our $uuid_lock;
		3845	our $uuid_skip;
		3846
		3847	sub write_uuid_sync($) {
		3848	$uuid_skip ||= $_[0];
		3849
		3850	return if $uuid_lock;
		3851	local $uuid_lock = 1;
		3852
		3853	my $uuid = "$LOCALDIR/uuid";
		3854
		3855	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3856	or return;
		3857
		3858	my $value = uuid_seq uuid_cur;
		3859
		3860	unless ($value) {
		3861	info "cowardly refusing to write zero uuid value!\n";
		3862	return;
		3863	}
		3864
		3865	my $value = uuid_str $value + $uuid_skip;
		3866	$uuid_skip = 0;
		3867
		3868	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3869	and return;
		3870
		3871	# always fsync - this file is important
		3872	aio_fsync $fh
		3873	and return;
		3874
		3875	close $fh
		3876	or return;
		3877
		3878	aio_rename "$uuid~", $uuid
		3879	and return;
		3880
		3881	trace "uuid file written ($value).\n";
		3882
		3883	1
		3884
		3885	}
		3886
		3887	sub write_uuid($$) {
		3888	my ($skip, $sync) = @_;
		3889
		3890	$sync ? write_uuid_sync $skip
		3891	: async { write_uuid_sync $skip };
2629	}	3892	}
2630		3893
2631	sub emergency_save() {	3894	sub emergency_save() {
2632	my $freeze_guard = cf::freeze_mainloop;	3895	my $freeze_guard = cf::freeze_mainloop;
2633		3896
2634	warn "enter emergency perl save\n";	3897	info "emergency_perl_save: enter\n";
		3898
		3899	# this is a trade-off: we want to be very quick here, so
		3900	# save all maps without fsync, and later call a global sync
		3901	# (which in turn might be very very slow)
		3902	local $USE_FSYNC = 0;
2635		3903
2636	cf::sync_job {	3904	cf::sync_job {
		3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
2637	# use a peculiar iteration method to avoid tripping on perl	3907	# use a peculiar iteration method to avoid tripping on perl
2638	# refcount bugs in for. also avoids problems with players	3908	# refcount bugs in for. also avoids problems with players
2639	# and maps saved/destroyed asynchronously.	3909	# and maps saved/destroyed asynchronously.
2640	warn "begin emergency player save\n";	3910	info "emergency_perl_save: begin player save\n";
2641	for my $login (keys %cf::PLAYER) {	3911	for my $login (keys %cf::PLAYER) {
2642	my $pl = $cf::PLAYER{$login} or next;	3912	my $pl = $cf::PLAYER{$login} or next;
2643	$pl->valid or next;	3913	$pl->valid or next;
		3914	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2644	$pl->save;	3915	$pl->save;
2645	}	3916	}
2646	warn "end emergency player save\n";	3917	info "emergency_perl_save: end player save\n";
2647		3918
2648	warn "begin emergency map save\n";	3919	cf::write_runtime_sync; # external watchdog should not bark
		3920
		3921	info "emergency_perl_save: begin map save\n";
2649	for my $path (keys %cf::MAP) {	3922	for my $path (keys %cf::MAP) {
2650	my $map = $cf::MAP{$path} or next;	3923	my $map = $cf::MAP{$path} or next;
2651	$map->valid or next;	3924	$map->valid or next;
2652	$map->save;	3925	$map->save;
2653	}	3926	}
2654	warn "end emergency map save\n";	3927	info "emergency_perl_save: end map save\n";
2655		3928
2656	warn "begin emergency database checkpoint\n";	3929	cf::write_runtime_sync; # external watchdog should not bark
		3930
		3931	info "emergency_perl_save: begin database checkpoint\n";
2657	BDB::db_env_txn_checkpoint $DB_ENV;	3932	BDB::db_env_txn_checkpoint $DB_ENV;
2658	warn "end emergency database checkpoint\n";	3933	info "emergency_perl_save: end database checkpoint\n";
		3934
		3935	info "emergency_perl_save: begin write uuid\n";
		3936	write_uuid_sync 1;
		3937	info "emergency_perl_save: end write uuid\n";
		3938
		3939	cf::write_runtime_sync; # external watchdog should not bark
		3940
		3941	trace "emergency_perl_save: syncing database to disk";
		3942	BDB::db_env_txn_checkpoint $DB_ENV;
		3943
		3944	info "emergency_perl_save: starting sync\n";
		3945	IO::AIO::aio_sync sub {
		3946	info "emergency_perl_save: finished sync\n";
		3947	};
		3948
		3949	cf::write_runtime_sync; # external watchdog should not bark
		3950
		3951	trace "emergency_perl_save: flushing outstanding aio requests";
		3952	while (IO::AIO::nreqs || BDB::nreqs) {
		3953	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3954	}
		3955
		3956	cf::write_runtime_sync; # external watchdog should not bark
2659	};	3957	};
2660		3958
2661	warn "leave emergency perl save\n";	3959	info "emergency_perl_save: leave\n";
2662	}	3960	}
2663		3961
2664	sub post_cleanup {	3962	sub post_cleanup {
2665	my ($make_core) = @_;	3963	my ($make_core) = @_;
2666		3964
		3965	IO::AIO::flush;
		3966
2667	warn Carp::longmess "post_cleanup backtrace"	3967	error Carp::longmess "post_cleanup backtrace"
2668	if $make_core;	3968	if $make_core;
		3969
		3970	my $fh = pidfile;
		3971	unlink $PIDFILE if <$fh> == $$;
		3972	}
		3973
		3974	# a safer delete_package, copied from Symbol
		3975	sub clear_package($) {
		3976	my $pkg = shift;
		3977
		3978	# expand to full symbol table name if needed
		3979	unless ($pkg =~ /^main::.*::$/) {
		3980	$pkg = "main$pkg" if $pkg =~ /^::/;
		3981	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3982	$pkg .= '::' unless $pkg =~ /::$/;
		3983	}
		3984
		3985	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3986	my $stem_symtab = *{$stem}{HASH};
		3987
		3988	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3989	or return;
		3990
		3991	# clear all symbols
		3992	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3993	for my $name (keys %$leaf_symtab) {
		3994	_gv_clear *{"$pkg$name"};
		3995	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3996	}
2669	}	3997	}
2670		3998
2671	sub do_reload_perl() {	3999	sub do_reload_perl() {
2672	# can/must only be called in main	4000	# can/must only be called in main
2673	if ($Coro::current != $Coro::main) {	4001	unless (in_main) {
2674	warn "can only reload from main coroutine";	4002	error "can only reload from main coroutine";
2675	return;	4003	return;
2676	}	4004	}
2677		4005
2678	warn "reloading...";	4006	return if $RELOAD++;
2679		4007
2680	warn "entering sync_job";	4008	my $t1 = AE::time;
2681		4009
		4010	while ($RELOAD) {
		4011	cf::get_slot 0.1, -1, "reload_perl";
		4012	info "perl_reload: reloading...";
		4013
		4014	trace "perl_reload: entering sync_job";
		4015
2682	cf::sync_job {	4016	cf::sync_job {
2683	cf::write_runtime; # external watchdog should not bark
2684	cf::emergency_save;	4017	#cf::emergency_save;
2685	cf::write_runtime; # external watchdog should not bark
2686		4018
2687	warn "syncing database to disk";
2688	BDB::db_env_txn_checkpoint $DB_ENV;
2689
2690	# if anything goes wrong in here, we should simply crash as we already saved
2691
2692	warn "cancelling all WF_AUTOCANCEL watchers";
2693	for (Event::all_watchers) {
2694	$_->cancel if $_->data & WF_AUTOCANCEL;
2695	}
2696
2697	warn "flushing outstanding aio requests";
2698	for (;;) {
2699	BDB::flush;
2700	IO::AIO::flush;
2701	Coro::cede;
2702	last unless IO::AIO::nreqs || BDB::nreqs;
2703	warn "iterate...";
2704	}
2705
2706	++$RELOAD;
2707
2708	warn "cancelling all extension coros";	4019	trace "perl_reload: cancelling all extension coros";
2709	$_->cancel for values %EXT_CORO;	4020	$_->cancel for values %EXT_CORO;
2710	%EXT_CORO = ();	4021	%EXT_CORO = ();
2711		4022
2712	warn "removing commands";	4023	trace "perl_reload: removing commands";
2713	%COMMAND = ();	4024	%COMMAND = ();
2714		4025
2715	warn "removing ext commands";	4026	trace "perl_reload: removing ext/exti commands";
2716	%EXTCMD = ();	4027	%EXTCMD = ();
		4028	%EXTICMD = ();
2717		4029
2718	warn "unloading/nuking all extensions";	4030	trace "perl_reload: unloading/nuking all extensions";
2719	for my $pkg (@EXTS) {	4031	for my $pkg (@EXTS) {
2720	warn "... unloading $pkg";	4032	trace "... unloading $pkg";
2721		4033
2722	if (my $cb = $pkg->can ("unload")) {	4034	if (my $cb = $pkg->can ("unload")) {
2723	eval {	4035	eval {
2724	$cb->($pkg);	4036	$cb->($pkg);
2725	1	4037	1
2726	} or warn "$pkg unloaded, but with errors: $@";	4038	} or error "$pkg unloaded, but with errors: $@";
		4039	}
		4040
		4041	trace "... clearing $pkg";
		4042	clear_package $pkg;
2727	}	4043	}
2728		4044
2729	warn "... nuking $pkg";
2730	Symbol::delete_package $pkg;
2731	}
2732
2733	warn "unloading all perl modules loaded from $LIBDIR";	4045	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2734	while (my ($k, $v) = each %INC) {	4046	while (my ($k, $v) = each %INC) {
2735	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4047	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2736		4048
2737	warn "... unloading $k";	4049	trace "... unloading $k";
2738	delete $INC{$k};	4050	delete $INC{$k};
2739		4051
2740	$k =~ s/\.pm$//;	4052	$k =~ s/\.pm$//;
2741	$k =~ s/\//::/g;	4053	$k =~ s/\//::/g;
2742		4054
2743	if (my $cb = $k->can ("unload_module")) {	4055	if (my $cb = $k->can ("unload_module")) {
2744	$cb->();	4056	$cb->();
		4057	}
		4058
		4059	clear_package $k;
2745	}	4060	}
2746		4061
2747	Symbol::delete_package $k;
2748	}
2749
2750	warn "getting rid of safe::, as good as possible";	4062	trace "perl_reload: getting rid of safe::, as good as possible";
2751	Symbol::delete_package "safe::$_"	4063	clear_package "safe::$_"
2752	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4064	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2753		4065
2754	warn "unloading cf.pm \"a bit\"";	4066	trace "perl_reload: unloading cf.pm \"a bit\"";
2755	delete $INC{"cf.pm"};	4067	delete $INC{"cf.pm"};
2756	delete $INC{"cf/pod.pm"};	4068	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2757		4069
2758	# don't, removes xs symbols, too,	4070	# don't, removes xs symbols, too,
2759	# and global variables created in xs	4071	# and global variables created in xs
2760	#Symbol::delete_package __PACKAGE__;	4072	#clear_package __PACKAGE__;
2761		4073
2762	warn "unload completed, starting to reload now";	4074	info "perl_reload: unload completed, starting to reload now";
2763		4075
2764	warn "reloading cf.pm";	4076	trace "perl_reload: reloading cf.pm";
2765	require cf;	4077	require cf;
2766	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4078	cf::_connect_to_perl_1;
2767		4079
2768	warn "loading config and database again";	4080	trace "perl_reload: loading config and database again";
2769	cf::cfg_load;	4081	cf::reload_config;
2770		4082
2771	warn "loading extensions";	4083	trace "perl_reload: loading extensions";
2772	cf::load_extensions;	4084	cf::load_extensions;
2773		4085
		4086	if ($REATTACH_ON_RELOAD) {
2774	warn "reattaching attachments to objects/players";	4087	trace "perl_reload: reattaching attachments to objects/players";
2775	_global_reattach; # objects, sockets	4088	_global_reattach; # objects, sockets
2776	warn "reattaching attachments to maps";	4089	trace "perl_reload: reattaching attachments to maps";
2777	reattach $_ for values %MAP;	4090	reattach $_ for values %MAP;
2778	warn "reattaching attachments to players";	4091	trace "perl_reload: reattaching attachments to players";
2779	reattach $_ for values %PLAYER;	4092	reattach $_ for values %PLAYER;
		4093	}
2780		4094
2781	warn "leaving sync_job";	4095	cf::_post_init 1;
2782		4096
		4097	trace "perl_reload: leaving sync_job";
		4098
2783	1	4099	1
2784	} or do {	4100	} or do {
2785	warn $@;	4101	error $@;
2786	warn "error while reloading, exiting.";	4102	cf::cleanup "perl_reload: error, exiting.";
2787	exit 1;	4103	};
		4104
		4105	--$RELOAD;
2788	};	4106	}
2789		4107
2790	warn "reloaded";	4108	$t1 = AE::time - $t1;
		4109	info "perl_reload: completed in ${t1}s\n";
2791	};	4110	};
2792		4111
2793	our $RELOAD_WATCHER; # used only during reload	4112	our $RELOAD_WATCHER; # used only during reload
2794		4113
2795	sub reload_perl() {	4114	sub reload_perl() {
2796	# doing reload synchronously and two reloads happen back-to-back,	4115	# doing reload synchronously and two reloads happen back-to-back,
2797	# coro crashes during coro_state_free->destroy here.	4116	# coro crashes during coro_state_free->destroy here.
2798		4117
2799	$RELOAD_WATCHER ||= Event->timer (	4118	$RELOAD_WATCHER ||= cf::async {
2800	reentrant => 0,	4119	Coro::AIO::aio_wait cache_extensions;
2801	after => 0,	4120
2802	data => WF_AUTOCANCEL,	4121	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2803	cb => sub {
2804	do_reload_perl;	4122	do_reload_perl;
2805	undef $RELOAD_WATCHER;	4123	undef $RELOAD_WATCHER;
2806	},	4124	};
2807	);	4125	};
2808	}	4126	}
2809		4127
2810	register_command "reload" => sub {	4128	register_command "reload" => sub {
2811	my ($who, $arg) = @_;	4129	my ($who, $arg) = @_;
2812		4130
2813	if ($who->flag (FLAG_WIZ)) {	4131	if ($who->flag (FLAG_WIZ)) {
2814	$who->message ("reloading server.");	4132	$who->message ("reloading server.");
		4133	async {
		4134	$Coro::current->{desc} = "perl_reload";
2815	async { reload_perl };	4135	reload_perl;
		4136	};
2816	}	4137	}
2817	};	4138	};
2818		4139
2819	unshift @INC, $LIBDIR;	4140	#############################################################################
2820		4141
2821	my $bug_warning = 0;	4142	my $bug_warning = 0;
2822		4143
2823	our @WAIT_FOR_TICK;
2824	our @WAIT_FOR_TICK_BEGIN;
2825
2826	sub wait_for_tick {	4144	sub wait_for_tick() {
2827	return unless $TICK_WATCHER->is_active;	4145	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2828	return if $Coro::current == $Coro::main;
2829		4146
2830	my $signal = new Coro::Signal;	4147	$WAIT_FOR_TICK->wait;
2831	push @WAIT_FOR_TICK, $signal;
2832	$signal->wait;
2833	}	4148	}
2834		4149
2835	sub wait_for_tick_begin {	4150	sub wait_for_tick_begin() {
2836	return unless $TICK_WATCHER->is_active;	4151	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2837	return if $Coro::current == $Coro::main;
2838		4152
2839	my $signal = new Coro::Signal;	4153	my $signal = new Coro::Signal;
2840	push @WAIT_FOR_TICK_BEGIN, $signal;	4154	push @WAIT_FOR_TICK_BEGIN, $signal;
2841	$signal->wait;	4155	$signal->wait;
2842	}	4156	}
2843		4157
2844	my $min = 1e6;#d#	4158	sub tick {
2845	my $avg = 10;
2846	$TICK_WATCHER = Event->timer (
2847	reentrant => 0,
2848	parked => 1,
2849	prio => 0,
2850	at => $NEXT_TICK || $TICK,
2851	data => WF_AUTOCANCEL,
2852	cb => sub {
2853	if ($Coro::current != $Coro::main) {	4159	if ($Coro::current != $Coro::main) {
2854	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4160	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2855	unless ++$bug_warning > 10;	4161	unless ++$bug_warning > 10;
2856	return;	4162	return;
2857	}	4163	}
2858		4164
2859	$NOW = $tick_start = Event::time;	4165	cf::one_tick; # one server iteration
2860		4166
2861	cf::server_tick; # one server iteration	4167	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2862		4168
2863	0 && sync_job {#d#	4169	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2864	for(1..10) {	4170	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2865	my $t = Event::time;	4171	Coro::async_pool {
2866	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4172	$Coro::current->{desc} = "runtime saver";
2867	or die;	4173	write_runtime_sync
2868		4174	or error "ERROR: unable to write runtime file: $!";
2869	$map->width (50);
2870	$map->height (50);
2871	$map->alloc;
2872	$map->_load_objects ("/tmp/x.map", 1);
2873	my $t = Event::time - $t;
2874
2875	#next unless $t < 0.0013;#d#
2876	if ($t < $min) {
2877	$min = $t;
2878	}
2879	$avg = $avg * 0.99 + $t * 0.01;
2880	}
2881	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2882	exit 0;
2883	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2884	};	4175	};
		4176	}
2885		4177
2886	$RUNTIME += $TICK;
2887	$NEXT_TICK += $TICK;
2888
2889	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2890	$NEXT_RUNTIME_WRITE = $NOW + 10;
2891	Coro::async_pool {
2892	write_runtime
2893	or warn "ERROR: unable to write runtime file: $!";
2894	};
2895	}
2896
2897	# my $AFTER = Event::time;
2898	# warn $AFTER - $NOW;#d#
2899
2900	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4178	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2901	$sig->send;	4179	$sig->send;
2902	}	4180	}
2903	while (my $sig = shift @WAIT_FOR_TICK) {	4181	$WAIT_FOR_TICK->broadcast;
2904	$sig->send;
2905	}
2906		4182
2907	$NOW = Event::time;	4183	$LOAD = ($NOW - $TICK_START) / $TICK;
2908
2909	# if we are delayed by four ticks or more, skip them all
2910	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2911
2912	$TICK_WATCHER->at ($NEXT_TICK);
2913	$TICK_WATCHER->start;
2914
2915	$LOAD = ($NOW - $tick_start) / $TICK;
2916	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4184	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2917		4185
2918	_post_tick;	4186	if (0) {
2919		4187	if ($NEXT_TICK) {
2920		4188	my $jitter = $TICK_START - $NEXT_TICK;
		4189	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4190	debug "jitter $JITTER\n";#d#
		4191	}
2921	},	4192	}
2922	);	4193	}
2923		4194
2924	{	4195	{
2925	BDB::max_poll_time $TICK * 0.1;	4196	# configure BDB
2926	$BDB_POLL_WATCHER = Event->io (	4197
2927	reentrant => 0,
2928	fd => BDB::poll_fileno,
2929	poll => 'r',
2930	prio => 0,
2931	data => WF_AUTOCANCEL,
2932	cb => \&BDB::poll_cb,
2933	);
2934	BDB::min_parallel 8;	4198	BDB::min_parallel 16;
2935		4199	BDB::max_poll_reqs $TICK * 0.1;
2936	BDB::set_sync_prepare {	4200	#$AnyEvent::BDB::WATCHER->priority (1);
2937	my $status;
2938	my $current = $Coro::current;
2939	(
2940	sub {
2941	$status = $!;
2942	$current->ready; undef $current;
2943	},
2944	sub {
2945	Coro::schedule while defined $current;
2946	$! = $status;
2947	},
2948	)
2949	};
2950		4201
2951	unless ($DB_ENV) {	4202	unless ($DB_ENV) {
2952	$DB_ENV = BDB::db_env_create;	4203	$DB_ENV = BDB::db_env_create;
		4204	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4205	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4206	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4207	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4208	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2953		4209
2954	cf::sync_job {	4210	cf::sync_job {
2955	eval {	4211	eval {
2956	BDB::db_env_open	4212	BDB::db_env_open
2957	$DB_ENV,	4213	$DB_ENV,
…		…
2959	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4215	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2960	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4216	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2961	0666;	4217	0666;
2962		4218
2963	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4219	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2964
2965	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2966	$DB_ENV->set_lk_detect;
2967	};	4220	};
2968		4221
2969	cf::cleanup "db_env_open(db): $@" if $@;	4222	cf::cleanup "db_env_open(db): $@" if $@;
2970	};	4223	};
2971	}	4224	}
		4225
		4226	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4227	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4228	};
		4229	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4230	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4231	};
		4232	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4233	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4234	};
2972	}	4235	}
2973		4236
2974	{	4237	{
		4238	# configure IO::AIO
		4239
2975	IO::AIO::min_parallel 8;	4240	IO::AIO::min_parallel 8;
2976
2977	undef $Coro::AIO::WATCHER;
2978	IO::AIO::max_poll_time $TICK * 0.1;	4241	IO::AIO::max_poll_time $TICK * 0.1;
2979	$AIO_POLL_WATCHER = Event->io (	4242	undef $AnyEvent::AIO::WATCHER;
2980	reentrant => 0,
2981	data => WF_AUTOCANCEL,
2982	fd => IO::AIO::poll_fileno,
2983	poll => 'r',
2984	prio => 6,
2985	cb => \&IO::AIO::poll_cb,
2986	);
2987	}	4243	}
2988		4244
2989	my $_log_backtrace;	4245	our $_log_backtrace;
		4246	our $_log_backtrace_last;
2990		4247
2991	sub _log_backtrace {	4248	sub _log_backtrace {
2992	my ($msg, @addr) = @_;	4249	my ($msg, @addr) = @_;
2993		4250
2994	$msg =~ s/\n//;	4251	$msg =~ s/\n$//;
2995		4252
		4253	if ($_log_backtrace_last eq $msg) {
		4254	LOG llevInfo, "[ABT] $msg\n";
		4255	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2996	# limit the # of concurrent backtraces	4256	# limit the # of concurrent backtraces
2997	if ($_log_backtrace < 2) {	4257	} elsif ($_log_backtrace < 2) {
		4258	$_log_backtrace_last = $msg;
2998	++$_log_backtrace;	4259	++$_log_backtrace;
		4260	my $perl_bt = Carp::longmess $msg;
2999	async {	4261	async {
		4262	$Coro::current->{desc} = "abt $msg";
		4263
3000	my @bt = fork_call {	4264	my @bt = fork_call {
3001	@addr = map { sprintf "%x", $_ } @addr;	4265	@addr = map { sprintf "%x", $_ } @addr;
3002	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4266	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3003	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4267	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3004	or die "addr2line: $!";	4268	or die "addr2line: $!";
…		…
3012	}	4276	}
3013		4277
3014	@funcs	4278	@funcs
3015	};	4279	};
3016		4280
3017	LOG llevInfo, "[ABT] $msg\n";	4281	LOG llevInfo, "[ABT] $perl_bt\n";
		4282	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3018	LOG llevInfo, "[ABT] $_\n" for @bt;	4283	LOG llevInfo, "[ABT] $_\n" for @bt;
3019	--$_log_backtrace;	4284	--$_log_backtrace;
3020	};	4285	};
3021	} else {	4286	} else {
3022	LOG llevInfo, "[ABT] $msg\n";	4287	LOG llevInfo, "[ABT] $msg\n";
3023	LOG llevInfo, "[ABT] [suppressed]\n";	4288	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3024	}	4289	}
3025	}	4290	}
3026		4291
3027	# load additional modules	4292	# load additional modules
3028	use cf::pod;	4293	require "cf/$_.pm" for @EXTRA_MODULES;
		4294	cf::_connect_to_perl_2;
3029		4295
3030	END { cf::emergency_save }	4296	END { cf::emergency_save }
3031		4297
3032	1	4298	1
3033		4299

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