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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.584 by root, Tue Oct 30 17:07:50 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';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	323	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		324	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	325	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		326
194	# we bless all objects into (empty) derived classes to force a method lookup	327	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	328	# within the Safe compartment.
196	for my $pkg (qw(	329	for my $pkg (qw(
197	cf::global cf::attachable	330	cf::global cf::attachable
198	cf::object cf::object::player	331	cf::object cf::object::player
199	cf::client cf::player	332	cf::client cf::player
200	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
201	cf::map cf::party cf::region	335	cf::party cf::region
202	)) {	336	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	338	}
206		339
207	$Event::DIED = sub {	340	$EV::DIED = sub {
208	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
209	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
210		350
211	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
212		352
213	=over 4	353	=over 4
214		354
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	374	$d
235	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
236	}	376	}
237		377
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	378	=item $scalar = cf::load_file $path
239		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($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
240	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
241		431
242	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
243		433
244	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
245		435
246	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
247		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
248	=item cf::lock_wait $string	507	=item cf::lock_wait $string
249		508
250	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
251		510
252	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
253		512
254	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
255	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,
256	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
257	returned.	516	returned.
258		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
259	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
260	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
261		523
262	=item $locked = cf::lock_active $string	524	=item $locked = cf::lock_active $string
263		525
264	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.
265		527
266	=cut	528	=cut
267		529
268	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
269		531
270	sub lock_wait($) {	532	sub lock_wait($) {
271	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	534	}
279		535
280	sub lock_acquire($) {	536	sub lock_acquire($) {
281	my ($key) = @_;	537	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	538	}
293		539
294	sub lock_active($) {	540	sub lock_active($) {
295	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	542	}
299		543
300	sub freeze_mainloop {	544	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
302		546
303	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
304	$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($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
305	};	617	}
306	$TICK_WATCHER->stop;	618	};
307	$guard	619
		620	sub get_slot($;$$) {
		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	$sig->wait;
308	}	633	}
309		634
310	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
311		636
312	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		642
318	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
319		644
320	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
321		646
322	The design of crossfire+ requires that the main coro ($Coro::main) is	647	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	648	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		650	acceptable.
325		651
326	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	654	server will be frozen during this time, so the block should either finish
329	fast or be very important.	655	fast or be very important.
…		…
331	=cut	657	=cut
332		658
333	sub sync_job(&) {	659	sub sync_job(&) {
334	my ($job) = @_;	660	my ($job) = @_;
335		661
336	if ($Coro::current == $Coro::main) {	662	if (in_main) {
337	my $time = Event::time;	663	my $time = AE::time;
338		664
339	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
341		667
342	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	669
344	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
345		671
346	my $busy = 1;	672	my $busy = 1;
347	my @res;	673	my @res;
348		674
349	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	677	@res = eval { $job->() };
351	warn $@ if $@;	678	error $@ if $@;
352	undef $busy;	679	undef $busy;
353	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
354		681
355	while ($busy) {	682	while ($busy) {
356	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
357	}	687	}
		688	}
358		689
359	$time = Event::time - $time;	690	my $time = AE::time - $time;
360		691
361	LOG llevError | logBacktrace, "long sync job\n"
362	if $time > $TICK * 0.5;
363
364	$tick_start += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
365		693
366	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
367	} else {	695	} else {
368	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
369		697
…		…
389	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
390		718
391	$coro	719	$coro
392	}	720	}
393		721
394	sub write_runtime {	722	=item fork_call { }, @args
395	my $runtime = "$LOCALDIR/runtime";
396		723
397	# first touch the runtime file to show we are still running:	724	Executes the given code block with the given arguments in a seperate
398	# 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.
399		728
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	729	=cut
401	utime undef, undef, $fh;	730
		731	sub post_fork {
		732	reset_signals;
		733	}
		734
		735	sub fork_call(&@) {
		736	my ($cb, @args) = @_;
		737
		738	# we seemingly have to make a local copy of the whole thing,
		739	# otherwise perl prematurely frees the stuff :/
		740	# TODO: investigate and fix (likely this will be rather laborious)
		741
		742	my @res = Coro::Util::fork_eval {
		743	cf::post_fork;
		744	&$cb
		745	} @args;
		746
		747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
		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 $!;
402	}	818	};
		819	cf::cleanup "db_open(db): $@" if $@;
403		820
404	my $guard = cf::lock_acquire "write_runtime";	821	$db
		822	}
405		823
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	824	our $DB;
407	or return;
408		825
409	my $value = $cf::RUNTIME + 90 + 10;	826	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	827	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	828	}
412		829
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	830	sub db_get($$) {
414	and return;	831	my $key = "$_[0]/$_[1]";
415		832
416	# always fsync - this file is important	833	cf::error "db_get called from main context"
417	aio_fsync $fh	834	if $Coro::current == $Coro::main;
418	and return;
419		835
420	# touch it again to show we are up-to-date	836	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		837
423	close $fh	838	$! ? ()
424	or return;	839	: $data
		840	}
425		841
426	aio_rename "$runtime~", $runtime	842	sub db_put($$$) {
427	and return;	843	BDB::dbreq_pri 4;
		844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		845	}
428		846
429	warn "runtime file written.\n";#d#	847	=item cf::cache $id => [$paths...], $processversion => $process
430		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 $data;
431	1	911	}
		912
		913	db_get cache => "$id/data"
432	}	914	}
433		915
434	=item cf::datalog type => key => value, ...	916	=item cf::datalog type => key => value, ...
435		917
436	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.
437		919
438	=cut	920	=cut
439		921
440	sub datalog($@) {	922	sub datalog($@) {
441	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	925	}
444		926
445	=back	927	=back
446		928
447	=cut	929	=cut
448		930
449	#############################################################################	931	#############################################################################
450		932
451	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
452		934
453	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
454	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")
455	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
456		938
457	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>
458	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
459	crossfire+).	941	Deliantra).
460		942
461	=over 4	943	=over 4
462		944
463	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
464		946
…		…
508	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
509		991
510	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
512		994
513	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
514	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.
515		997
516	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
517		999
518	=over 4	1000	=over 4
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	1109	$registry = $CB_TYPE[$object_type] ||= [];
628		1110
629	} elsif ($type eq "subtype") {	1111	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	1112	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	1113	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1114	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		1115
634	} elsif ($type eq "package") {	1116	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	1117	my $pkg = shift @arg;
636		1118
637	while (my ($name, $id) = each %cb_id) {	1119	while (my ($name, $id) = each %cb_id) {
…		…
642		1124
643	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		1127
646	} elsif (ref $type) {	1128	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
648		1130
649	} else {	1131	} else {
650	shift @arg;	1132	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
652	}	1134	}
653	}	1135	}
654	}	1136	}
655		1137
656	sub _object_attach {	1138	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
667	}	1149	}
668		1150
669	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
670	} else {	1152	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1154	}
673		1155
674	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
675	}	1157	}
676		1158
…		…
678	if (ref $_[0]) {	1160	if (ref $_[0]) {
679	_object_attach @_;	1161	_object_attach @_;
680	} else {	1162	} else {
681	_attach shift->_attach_registry, @_;	1163	_attach shift->_attach_registry, @_;
682	}	1164	}
		1165	_recalc_want;
683	};	1166	};
684		1167
685	# all those should be optimised	1168	# all those should be optimised
686	sub cf::attachable::detach {	1169	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	1170	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	1173	delete $obj->{_attachment}{$name};
691	reattach ($obj);	1174	reattach ($obj);
692	} else {	1175	} else {
693	Carp::croak "cannot, currently, detach class attachments";	1176	Carp::croak "cannot, currently, detach class attachments";
694	}	1177	}
		1178	_recalc_want;
695	};	1179	};
696		1180
697	sub cf::attachable::attached {	1181	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	1182	my ($obj, $name) = @_;
699		1183
…		…
714	";	1198	";
715	die if $@;	1199	die if $@;
716	}	1200	}
717		1201
718	our $override;	1202	our $override;
719	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?
720		1204
721	sub override {	1205	sub override {
722	$override = 1;	1206	$override = 1;
723	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
724	}	1208	}
725		1209
726	sub do_invoke {	1210	sub do_invoke {
727	my $event = shift;	1211	my $event = shift;
728	my $callbacks = shift;	1212	my $callbacks = shift;
729		1213
730	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
731		1215
732	local $override;	1216	local $override;
733		1217
734	for (@$callbacks) {	1218	for (@$callbacks) {
735	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
736		1220
737	if ($@) {	1221	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1223	override;
741	}	1224	}
742		1225
743	return 1 if $override;	1226	return 1 if $override;
744	}	1227	}
745		1228
746	0	1229	0
747	}	1230	}
748		1231
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1233
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1235
753	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
754		1237
755	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
756	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
757	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1241
759	=back	1242	=back
760		1243
761	=cut	1244	=cut
762		1245
763	#############################################################################	1246	#############################################################################
764	# 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, $ob2
		1289	}
765		1290
766	sub reattach {	1291	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1293	my ($obj) = @_;
769		1294
		1295	# no longer needed after getting rid of delete_package?
770	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
771		1297
772	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
773		1299
774	@$registry = ();	1300	@$registry = ();
775		1301
…		…
780	for (@$attach) {	1306	for (@$attach) {
781	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
783	}	1309	}
784	} else {	1310	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1312	}
787	}	1313	}
788	}	1314	}
789		1315
790	cf::attachable->attach (	1316	cf::attachable->attach (
791	prio => -1000000,	1317	prio => -1000000,
792	on_instantiate => sub {	1318	on_instantiate => sub {
793	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
794		1320
795	$data = from_json $data;	1321	$data = decode_json $data;
796		1322
797	for (@$data) {	1323	for (@$data) {
798	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
799		1325
800	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1342	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
818		1344
819	sync_job {	1345	sync_job {
820	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
823		1351
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	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	}
828	close $fh;	1359	aio_close $fh;
829		1360
830	if (@$objs) {	1361	if (@$objs) {
831	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) {
832	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
835	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	}
836	close $fh;	1370	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
838	}	1372	}
839	} else {	1373	} else {
840	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
841	}	1375	}
842		1376
843	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1381	} else {
845	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
846	}	1383	}
847	} else {	1384	} else {
848	aio_unlink $filename;	1385	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
850	}	1387	}
851	}	1388	};
852	}	1389	}
853		1390
854	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
856		1393
…		…
868	or return;	1405	or return;
869		1406
870	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
872	or return;	1409	or return;
		1410
873	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
874	}	1413	}
875		1414
		1415	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
878	return ($data, $av);	1420	($data, $av)
879	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
880		1428
881	#############################################################################	1429	#############################################################################
882	# command handling &c	1430	# command handling &c
883		1431
884	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1446	}
899		1447
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1449
902	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.
903		1455
904	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
905	called.	1457	called.
906		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
907	=cut	1470	=cut
908		1471
909	sub register_extcmd {	1472	sub register_extcmd {
910	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
911		1474
912	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
913	}	1476	}
914		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
915	cf::player->attach (	1486	cf::player->attach (
916	on_command => sub {	1487	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
918		1489
919	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
920	or return;	1491	or return;
921		1492
…		…
926	cf::override;	1497	cf::override;
927	},	1498	},
928	on_extcmd => sub {	1499	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
930		1501
931	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1503
933	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
939	} else {	1516	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1518	}
942		1519
943	cf::override;	1520	cf::override;
944	},	1521	},
945	);	1522	);
946		1523
		1524	# "readahead" all extensions
947	sub load_extension {	1525	sub cache_extensions {
948	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
949		1527
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1531	}
975	die $@;
976	}	1532	};
977		1533
978	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;
979	}	1546	}
980		1547
981	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
982	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1557	next unless -r $path;
984	eval {	1558
985	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 $active;
		1630	}
986	1	1631	}
987	} or warn "$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	}
988	}	1644	};
989	}	1645	}
990		1646
991	#############################################################################	1647	#############################################################################
992		1648
		1649	=back
		1650
993	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
994		1652
995	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
996		1654
997	=cut	1655	=cut
998		1656
999	package cf::player;	1657	package cf::player;
1000		1658
1001	use Coro::AIO;	1659	use Coro::AIO;
1002		1660
1003	=head3 cf::player	1661	=head3 cf::player
1004		1662
1005	=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	}
1006		1678
1007	=item cf::player::find $login	1679	=item cf::player::find $login
1008		1680
1009	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
1010		1682
…		…
1029		1701
1030	sub exists($) {	1702	sub exists($) {
1031	my ($login) = @_;	1703	my ($login) = @_;
1032		1704
1033	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1035	}	1707	}
1036		1708
1037	sub find($) {	1709	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1711	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1721	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1722
1051	my $pl = load_pl path $login	1723	my $f = new_from_file cf::object::thawer path $login
1052	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;
1053	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1054	}	1732	}
1055	}	1733	}
1056	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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	);
1057		1748
1058	sub save($) {	1749	sub save($) {
1059	my ($pl) = @_;	1750	my ($pl) = @_;
1060		1751
1061	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1067		1758
1068	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1070		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
1071	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1072	Coro::cede;	1768	cf::cede_to_tick;
1073	}	1769	}
1074		1770
1075	sub new($) {	1771	sub new($) {
1076	my ($login) = @_;	1772	my ($login) = @_;
1077		1773
…		…
1083	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1084		1780
1085	$self	1781	$self
1086	}	1782	}
1087		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
1088	=item $pl->quit_character	1794	=item $pl->quit_character
1089		1795
1090	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1092		1798
…		…
1096	my ($pl) = @_;	1802	my ($pl) = @_;
1097		1803
1098	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1099		1805
1100	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1101	$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
1102		1808
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1104	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1106	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1107		1817
1108	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1110	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1145	or return [];	1855	or return [];
1146		1856
1147	my @logins;	1857	my @logins;
1148		1858
1149	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") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1153		1869
1154	utf8::decode $login;	1870	utf8::decode $login;
1155	push @logins, $login;	1871	push @logins, $login;
1156	}	1872	}
1157		1873
1158	\@logins	1874	\@logins
1159	}	1875	}
1160		1876
1161	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1162		1880
1163	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1164	player. May block.	1882	player. May block.
1165		1883
1166	=cut	1884	=cut
…		…
1184	}	1902	}
1185		1903
1186	\@paths	1904	\@paths
1187	}	1905	}
1188		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1189	=item $player->ext_reply ($msgid, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1190		1912
1191	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1192		1914
1193	=cut	1915	=cut
1194		1916
1195	sub ext_reply($$%) {	1917	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1197		1919
1198	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1921	}
1202		1922
1203	=item $player->ext_event ($type, %msg)	1923	=item $player->ext_msg ($type, @msg)
1204		1924
1205	Sends an ext event to the client.	1925	Sends an ext event to the client.
1206		1926
1207	=cut	1927	=cut
1208		1928
1209	sub ext_event($$%) {	1929	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1930	my ($self, $type, @msg) = @_;
1211		1931
1212	$self->ns->ext_event ($type, %msg);	1932	$self->ns->ext_msg ($type, @msg);
1213	}	1933	}
1214		1934
1215	=head3 cf::region	1935	=head3 cf::region
1216		1936
1217	=over 4	1937	=over 4
…		…
1220		1940
1221	package cf::region;	1941	package cf::region;
1222		1942
1223	=item cf::region::find_by_path $path	1943	=item cf::region::find_by_path $path
1224		1944
1225	Tries to decuce the probable region for a map knowing only its path.	1945	Tries to decuce the likely region for a map knowing only its path.
1226		1946
1227	=cut	1947	=cut
1228		1948
1229	sub find_by_path($) {	1949	sub find_by_path($) {
1230	my ($path) = @_;	1950	my ($path) = @_;
1231		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
1232	my ($match, $specificity);	1954	my ($match, $specificity);
1233		1955
1234	for my $region (list) {	1956	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1957	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1958	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1959	if $region->specificity > $specificity;
1238	}	1960	}
1239	}	1961	}
1240		1962
…		…
1261	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1263		1985
1264	sub generate_random_map {	1986	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1266	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1267	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1275	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1276	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1277	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1278	(cf::region::find $rmp->{region}), $rmp->{custom}
1279	)
1280	}	1992	}
1281		1993
1282	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1283		1995
1284	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
…		…
1289		2001
1290	sub register {	2002	sub register {
1291	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1292	my $pkg = caller;	2004	my $pkg = caller;
1293		2005
1294	no strict;
1295	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1296		2007
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	2009	}
1299		2010
1300	# also paths starting with '/'	2011	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		2013
1303	sub thawer_merge {	2014	sub thawer_merge {
1304	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1305		2016
1306	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
1307	local $self->{path};	2018	local $self->{path};
1308	local $self->{load_path};	2019	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		2020
1312	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1313	}	2022	}
1314		2023
1315	sub normalise {	2024	sub normalise {
1316	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1317		2026
1318	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1319		2028
1320	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1321		2030
1322	# map plan:	2031	# map plan:
1323	#	2032	#
…		…
1338	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1339	$path = "$base/$path";	2048	$path = "$base/$path";
1340	}	2049	}
1341		2050
1342	for ($path) {	2051	for ($path) {
1343	redo if s{//}{/};
1344	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1345	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1346	}	2054	}
1347		2055
1348	$path	2056	$path
…		…
1362	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1363	return $self;	2071	return $self;
1364	}	2072	}
1365	}	2073	}
1366		2074
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1368	()	2076	()
1369	}	2077	}
1370		2078
		2079	# may re-bless or do other evil things
1371	sub init {	2080	sub init {
1372	my ($self) = @_;	2081	my ($self) = @_;
1373		2082
1374	$self	2083	$self
1375	}	2084	}
…		…
1394		2103
1395	# the temporary/swap location	2104	# the temporary/swap location
1396	sub save_path {	2105	sub save_path {
1397	my ($self) = @_;	2106	my ($self) = @_;
1398		2107
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1401	}	2110	}
1402		2111
1403	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1404	sub uniq_path {	2113	sub uniq_path {
1405	my ($self) = @_;	2114	my ($self) = @_;
1406		2115
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1409	}	2118	}
1410		2119
1411	# and all this just because we cannot iterate over	2120	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	2121	my ($self) = @_;
1415		2122
1416	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1418	}	2126	}
1419		2127
1420	sub unlink_save {	2128	sub unlink_save {
1421	my ($self) = @_;	2129	my ($self) = @_;
1422		2130
…		…
1427		2135
1428	sub load_header_from($) {	2136	sub load_header_from($) {
1429	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1430		2138
1431	utf8::encode $path;	2139	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	2141	or return;
1437		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1438	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1439		2150
1440	1	2151	1
1441	}	2152	}
1442		2153
		2154	# used to laod the header of an original map
1443	sub load_header_orig {	2155	sub load_header_orig {
1444	my ($self) = @_;	2156	my ($self) = @_;
1445		2157
1446	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1447	}	2159	}
1448		2160
		2161	# used to laod the header of an instantiated map
1449	sub load_header_temp {	2162	sub load_header_temp {
1450	my ($self) = @_;	2163	my ($self) = @_;
1451		2164
1452	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1453	}	2166	}
1454		2167
		2168	# called after loading the header from an instantiated map
1455	sub prepare_temp {	2169	sub prepare_temp {
1456	my ($self) = @_;	2170	my ($self) = @_;
1457		2171
1458	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1459	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1460	# safety	2174	# safety
1461	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1462	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1463	}	2177	}
1464		2178
		2179	# called after loading the header from an original map
1465	sub prepare_orig {	2180	sub prepare_orig {
1466	my ($self) = @_;	2181	my ($self) = @_;
1467		2182
1468	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1469	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1480	$self->load_header_orig	2195	$self->load_header_orig
1481	or return;	2196	or return;
1482	$self->prepare_orig;	2197	$self->prepare_orig;
1483	}	2198	}
1484		2199
		2200	$self->{deny_reset} = 1
		2201	if $self->no_reset;
		2202
1485	$self->default_region (cf::region::find_by_path $self->{path})	2203	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2204	unless $self->default_region;
1487		2205
1488	1	2206	1
1489	}	2207	}
1490		2208
1491	sub find;	2209	sub find;
1492	sub find {	2210	sub find {
1493	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1494		2212
		2213	cf::cede_to_tick;
		2214
1495	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1496		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2219
1499	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1502	or return;	2222	or return;
1503		2223
1504	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1505		2225
1506	$map->load_header	2226	$map->load_header
1507	or return;	2227	or return;
1508		2228
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1512	$map->reset;	2234	$map->reset;
1513	undef $guard;
1514	return find $path;	2235	return find $path;
1515	}	2236	}
1516		2237
1517	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1518	}	2239	}
1519	}	2240	}
1520		2241
1521	sub pre_load { }	2242	sub pre_load { }
1522	sub post_load { }	2243	#sub post_load { } # XS
1523		2244
1524	sub load {	2245	sub load {
1525	my ($self) = @_;	2246	my ($self) = @_;
1526		2247
1527	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1528		2249
1529	my $path = $self->{path};	2250	my $path = $self->{path};
1530		2251
1531	{	2252	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1533		2254
		2255	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1535
1536	$self->in_memory (cf::MAP_LOADING);
1537		2257
1538	$self->alloc;	2258	$self->alloc;
1539		2259
1540	$self->pre_load;	2260	$self->pre_load;
1541	Coro::cede;	2261	cf::cede_to_tick;
1542		2262
1543	$self->_load_objects ($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)
1544	or return;	2267	or return;
1545		2268
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1547	if delete $self->{load_original};	2270	if delete $self->{load_original};
1548		2271
1549	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2273	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2276	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1554	}	2281	}
1555	}
1556		2282
1557	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;
1558	# now do the right thing for maps	2292	# now do the right thing for maps
1559	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2295	unless $self->difficulty;
1562	Coro::cede;	2296	cf::cede_to_tick;
1563		2297
1564	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2299	$self->decay_objects;
1566	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1567	$self->update_buttons;	2301	$self->update_buttons;
1568	Coro::cede;	2302	cf::cede_to_tick;
1569	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
1570	Coro::cede;
1571	$self->activate;
1572	}	2304	}
1573		2305
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1575	}	2308	}
1576		2309
1577	$self->post_load;	2310	$self->post_load;
1578	}
1579		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2318	sub customise_for {
1581	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1582		2320
1583	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2322	if $self->per_player;
1585		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1586	$self	2327	$self
1587	}
1588
1589	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {
1591	my ($map) = @_;
1592
1593	my @diag; # diagonal neighbours
1594
1595	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)
1597	or next;
1598	$neigh = find $neigh, $map
1599	or next;
1600	$neigh->load;
1601
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}
1605
1606	for (@diag) {
1607	my $neigh = find @$_
1608	or next;
1609	$neigh->load;
1610	}
1611	}	2328	}
1612		2329
1613	sub find_sync {	2330	sub find_sync {
1614	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1615		2332
1616	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, $origin
1617	}	2338	}
1618		2339
1619	sub do_load_sync {	2340	sub do_load_sync {
1620	my ($map) = @_;	2341	my ($map) = @_;
1621		2342
1622	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;
1623	}	2348	}
1624		2349
1625	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1627		2352
1628	sub find_async {	2353	sub find_async {
1629	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1630		2355
1631	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1632		2357
1633	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1635	}	2360	}
1636		2361
1637	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1638	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1639	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2369	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2370	$map->load if $v;
		2371	}
1644		2372
1645	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1646	}	2374	}
1647	}	2375	}
1648	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1649	};	2377	};
1650	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1651		2379
1652	()	2380	()
1653	}	2381	}
1654		2382
		2383	# common code, used by both ->save and ->swapout
1655	sub save {	2384	sub _save {
1656	my ($self) = @_;	2385	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2386
1660	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1661		2388
1662	return unless $self->dirty;	2389	return unless $self->dirty;
1663		2390
…		…
1669	return if $self->{deny_save};	2396	return if $self->{deny_save};
1670		2397
1671	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1672		2399
1673	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1675	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1676		2406
1677	if ($uniq) {	2407	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2410	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2412	}
1683	}	2413	}
1684		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1685	sub swap_out {	2423	sub swap_out {
1686	my ($self) = @_;	2424	my ($self) = @_;
1687		2425
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1693	return if $self->players;	2430	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		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
1697	$self->clear;	2441	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2442	}
1700		2443
1701	sub reset_at {	2444	sub reset_at {
1702	my ($self) = @_;	2445	my ($self) = @_;
1703		2446
1704	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1707		2449
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2452
…		…
1721	my ($self) = @_;	2463	my ($self) = @_;
1722		2464
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2466
1725	return if $self->players;	2467	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2468
1728	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
1729		2470
1730	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1731		2472
1732	# need to save uniques path	2473	# need to save uniques path
1733	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1734	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1735		2476
…		…
1737	if $uniq;	2478	if $uniq;
1738	}	2479	}
1739		2480
1740	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1741		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2485	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2486
1746	$self->unlink_save;	2487	$self->unlink_save;
1747	$self->destroy;	2488	$self->destroy;
1748	}	2489	}
1749		2490
1750	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1751		2492
1752	sub nuke {	2493	sub nuke {
1753	my ($self) = @_;	2494	my ($self) = @_;
1754		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1755	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1756		2500
1757	$self->unlink_save;	2501	$self->unlink_save;
1758		2502
1759	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2508
1765	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1766		2511
1767	$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	]
1768	}	2549	}
1769		2550
1770	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1771		2552
1772	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2554	instantiated unique items. May block.
1774		2555
1775	=cut	2556	=cut
1776		2557
1777	sub unique_maps() {	2558	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2559	[
1779	or return;	2560	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2561	utf8::decode $_;
1785	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2564	? ()
1788	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2567	]
1790
1791	\@paths
1792	}	2568	}
1793		2569
1794	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	}
1795		2601
1796	=back	2602	=back
1797		2603
1798	=head3 cf::object	2604	=head3 cf::object
1799		2605
…		…
1803		2609
1804	=over 4	2610	=over 4
1805		2611
1806	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1807		2613
1808	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.
1809		2616
1810	=cut	2617	=cut
1811		2618
1812	sub inv_recursive_;	2619	sub inv_recursive_;
1813	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1816		2623
1817	sub inv_recursive {	2624	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1819	}	2626	}
1820		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
1821	package cf;	2656	package cf;
1822		2657
1823	=back	2658	=back
1824		2659
1825	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1831	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>
1832	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
1833	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1834		2669
1835	=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	};
1836		2685
1837	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2687	# with dialog boxes.
1839	#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
1840	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1842		2691
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2693
1845	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1847	} 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 {
1848	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1850	}	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 (@_);
1851	}	2719	}
1852		2720
1853	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1854		2722
1855	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1868		2736
1869	=item $player_object->enter_link	2737	=item $player_object->enter_link
1870		2738
1871	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}>).
1872		2740
1873	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.
1874	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.
1875		2745
1876	Will never block.	2746	Will never block.
1877		2747
1878	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1879		2749
…		…
1899	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2770	my ($self) = @_;
1901		2771
1902	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1903		2773
		2774	++$self->{_link_recursion};
		2775
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2777
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1908		2780
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2782	}
1911		2783
1912	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1914		2788
1915	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1916		2790
1917	unless ($map) {	2791	unless ($map) {
1918	# restore original map position	2792	# restore original map position
…		…
1929	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1930	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1931		2805
1932	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1935		2809
1936	$map->load;	2810	$map->load;
1937	$map->load_diag;
1938		2811
1939	return unless $self->contr->active;	2812	return unless $self->contr->active;
1940	$self->activate_recursive;
1941		2813
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
1944	}	2816	# entering was successful
1945		2817	delete $self->{_link_recursion};
1946	cf::player->attach (	2818	# only activate afterwards, to support waiting in hooks
1947	on_logout => sub {	2819	$self->activate_recursive;
1948	my ($pl) = @_;
1949
1950	# abort map switching before logout
1951	if ($pl->ob->{_link_pos}) {
1952	cf::sync_job {
1953	$pl->ob->leave_link
1954	};
1955	}
1956	},	2820	}
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2821
1960	# try to abort aborted map switching on player login :)	2822	}
1961	# should happen only on crashes
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977		2823
1978	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1979		2825
		2826	Moves the player to the given map-path and coordinates by first freezing
		2827	her, loading and preparing them map, calling the provided $check callback
		2828	that has to return the map if sucecssful, and then unfreezes the player on
		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 >>.
		2834
1980	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1981		2838
1982	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2840	my ($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	}
		2847
		2848	# do generation counting so two concurrent goto's will be executed in-order
		2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2850
1985	$self->enter_link;	2851	$self->enter_link;
1986		2852
1987	(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
1988	my $map = eval {	2875	my $map = eval {
1989	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2879	$map = $map->customise_for ($self);
		2880	$map = $check->($map, $x, $y, $self) if $check && $map;
		2881	} else {
		2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2883	}
		2884
1991	$map	2885	$map
		2886	};
		2887
		2888	if ($@) {
		2889	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2890	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2891	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1996	})->prio (1);	2899	})->prio (1);
1997	}	2900	}
1998		2901
1999	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2000		2903
…		…
2020	}	2923	}
2021		2924
2022	sub prepare_random_map {	2925	sub prepare_random_map {
2023	my ($exit) = @_;	2926	my ($exit) = @_;
2024		2927
2025	my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2028	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2029	# that depends on the exit object	2930	# that depends on the exit object
2030		2931
2031	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2033	if ($exit->map) {	2934	if ($exit->map) {
2034	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2035	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2036	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2037	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2038	}	2941	}
2039		2942
2040	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2041		2944
2042	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2044	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2045		2948
2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2048	undef $fh;	2951	undef $fh;
2049	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2050		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2051	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2052	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2053	}	2960	}
2054	}	2961	}
2055		2962
2056	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2057	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2058		2965
2059	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2060		2967
2061	if ($exit->slaying eq "/!") {
2062	#TODO: this should de-fi-ni-te-ly not be a sync-job
2063	# the problem is that $exit might not survive long enough
2064	# so it needs to be done right now, right here
2065	cf::sync_job { prepare_random_map $exit };
2066	}
2067
2068	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2069	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;
2071
2072	$self->enter_link;	2968	$self->enter_link;
2073		2969
2074	(async {	2970	(async {
2075	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2076	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
2077	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2078		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
2079	1;	3009	1
2080	}) {	3010	}) {
2081	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2082	. "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. "
2083	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2084	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2085		3015
2086	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2087	$self->leave_link;	3017	$self->leave_link;
2088	}	3018	}
2089	})->prio (1);	3019	})->prio (1);
2090	}	3020	}
2091		3021
…		…
2105		3035
2106	utf8::encode $text;	3036	utf8::encode $text;
2107	$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);
2108	}	3038	}
2109		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
2110	=item $client->ext_event ($type, %msg)	3227	=item $client->ext_msg ($type, @msg)
2111		3228
2112	Sends an exti event to the client.	3229	Sends an ext event to the client.
2113		3230
2114	=cut	3231	=cut
2115		3232
2116	sub cf::client::ext_event($$%) {	3233	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	3234	my ($self, $type, @msg) = @_;
2118		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
2119	$msg{msgtype} = "event_$type";	3239	push @msg, msgtype => "event_$type";
2120	$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]));
2121	}	3256	}
2122		3257
2123	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2124		3259
2125	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
2126	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>,
2127	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>.
2128		3263
2129	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
2130	reliable at some point in the future.	3265	become reliable at some point in the future.
2131		3266
2132	=cut	3267	=cut
2133		3268
2134	sub cf::client::query {	3269	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	3278	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		3280
2146	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2148	}	3285	}
2149		3286
2150	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	},
2151	on_reply => sub {	3293	on_reply => sub {
2152	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2153		3295
2154	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2155	# get handled first	3297	# get handled first
…		…
2167	} else {	3309	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	3311	}
2170	}	3312	}
2171	},	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	},
2172	);	3337	);
2173		3338
2174	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2175		3340
2176	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2192		3357
2193	$coro	3358	$coro
2194	}	3359	}
2195		3360
2196	cf::client->attach (	3361	cf::client->attach (
2197	on_destroy => sub {	3362	on_client_destroy => sub {
2198	my ($ns) = @_;	3363	my ($ns) = @_;
2199		3364
2200	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2201	},	3366	},
2202	);	3367	);
…		…
2217	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2219		3384
2220	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2221		3386
2222	$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	));
2223		3392
2224	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2225		3394
2226	=pod	3395	=pod
2227		3396
2228	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2229		3398
2230	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
2231	cf::object::player player	3404	cf::object::player
2232	cf::player peaceful	3405	player
2233	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2234		3412
2235	=cut	3413	=cut
2236		3414
2237	for (	3415	for (
2238	["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)],
2239	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2241	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2242	) {	3422	) {
2243	no strict 'refs';
2244	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2245	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2246	for @funs;	3425	for @funs;
2247	}	3426	}
2248		3427
…		…
2263		3442
2264	my $qcode = $code;	3443	my $qcode = $code;
2265	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2266	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2267		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2268	local $_;	3450	local $_;
2269	local @safe::cf::_safe_eval_args = values %vars;
2270		3451
2271	my $eval =	3452	my $eval =
2272	"do {\n"	3453	"do {\n"
2273	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2274	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2275	. $code	3456	. $code
2276	. "\n}"	3457	. "\n}"
2277	;	3458	;
2278		3459
		3460	if ($CFG{safe_eval}) {
2279	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2280	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2281	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	}
2282		3469
2283	if ($@) {	3470	if ($@) {
2284	warn "$@";	3471	warn "$@",
2285	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2286	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2287	}	3474	}
2288		3475
2289	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2290	}	3477	}
2291		3478
…		…
2305	=cut	3492	=cut
2306		3493
2307	sub register_script_function {	3494	sub register_script_function {
2308	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2309		3496
2310	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2311	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2312	}	3499	}
2313		3500
2314	=back	3501	=back
2315		3502
2316	=cut	3503	=cut
2317
2318	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491		3504
2492	#############################################################################	3505	#############################################################################
2493	# the server's init and main functions	3506	# the server's init and main functions
2494		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
		3509
2495	sub load_facedata($) {	3510	sub load_facedata($) {
2496	my ($path) = @_;	3511	my ($path) = @_;
2497		3512
		3513	# HACK to clear player env face cache, we need some signal framework
		3514	# for this (global event?)
		3515	%ext::player_env::MUSIC_FACE_CACHE = ();
		3516
		3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3518
2498	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
2499		3520
2500	my $facedata;	3521	my $facedata = decode_storable load_file $path;
2501	0 < aio_load $path, $facedata
2502	or die "$path: $!";
2503
2504	$facedata = Coro::Storable::thaw $facedata;
2505		3522
2506	$facedata->{version} == 2	3523	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3525
		3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3528	$facedata->{resource}{"res/exp_table"} = {
		3529	type => FT_RSRC,
		3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
		3532	};
		3533	cf::cede_to_tick;
		3534
2509	{	3535	{
2510	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
2511		3537
2512	while (my ($face, $info) = each %$faces) {	3538	while (my ($face, $info) = each %$faces) {
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3539	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3540
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3541	cf::face::set_visibility $idx, $info->{visibility};
		3542	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3543	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3544	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2517	Coro::cede;	3545	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3546	$FACEHASH{$info->{hash64}} = $idx;#d#
		3547
		3548	cf::cede_to_tick;
2518	}	3549	}
2519		3550
2520	while (my ($face, $info) = each %$faces) {	3551	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3552	next unless $info->{smooth};
		3553
2522	my $idx = cf::face::find $face	3554	my $idx = cf::face::find $face
2523	or next;	3555	or next;
		3556
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3557	if (my $smooth = cf::face::find $info->{smooth}) {
		3558	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3559	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3560	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3561	error "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3562	}
2529	Coro::cede;	3563
		3564	cf::cede_to_tick;
2530	}	3565	}
2531	}	3566	}
2532		3567
2533	{	3568	{
2534	my $anims = $facedata->{animinfo};	3569	my $anims = $facedata->{animinfo};
2535		3570
2536	while (my ($anim, $info) = each %$anims) {	3571	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3572	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3573	cf::cede_to_tick;
2539	}	3574	}
2540		3575
2541	cf::anim::invalidate_all; # d'oh	3576	cf::anim::invalidate_all; # d'oh
2542	}	3577	}
2543		3578
		3579	{
		3580	my $res = $facedata->{resource};
		3581
		3582	while (my ($name, $info) = each %$res) {
		3583	if (defined (my $type = $info->{type})) {
		3584	# TODO: different hash - must free and use new index, or cache ixface data queue
		3585	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3586
		3587	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3588	cf::face::set_type $idx, $type;
		3589	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3590	$FACEHASH{$info->{hash}} = $idx;#d#
		3591	} else {
		3592	# $RESOURCE{$name} = $info; # unused
		3593	}
		3594
		3595	cf::cede_to_tick;
		3596	}
		3597	}
		3598
		3599	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3600
2544	1	3601	1
2545	}	3602	}
2546		3603
		3604	register_exticmd fx_want => sub {
		3605	my ($ns, $want) = @_;
		3606
		3607	while (my ($k, $v) = each %$want) {
		3608	$ns->fx_want ($k, $v);
		3609	}
		3610	};
		3611
		3612	sub load_resource_file($) {
		3613	my $guard = lock_acquire "load_resource_file";
		3614
		3615	my $status = load_resource_file_ $_[0];
		3616	get_slot 0.1, 100;
		3617	cf::arch::commit_load;
		3618
		3619	$status
		3620	}
		3621
2547	sub reload_regions {	3622	sub reload_regions {
		3623	# HACK to clear player env face cache, we need some signal framework
		3624	# for this (global event?)
		3625	%ext::player_env::MUSIC_FACE_CACHE = ();
		3626
2548	load_resource_file "$MAPDIR/regions"	3627	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3628	or die "unable to load regions file\n";
		3629
		3630	for (cf::region::list) {
		3631	$_->{match} = qr/$_->{match}/
		3632	if exists $_->{match};
		3633	}
2550	}	3634	}
2551		3635
2552	sub reload_facedata {	3636	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3637	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3638	or die "unable to load facedata\n";
…		…
2562	sub reload_treasures {	3646	sub reload_treasures {
2563	load_resource_file "$DATADIR/treasures"	3647	load_resource_file "$DATADIR/treasures"
2564	or die "unable to load treasurelists\n";	3648	or die "unable to load treasurelists\n";
2565	}	3649	}
2566		3650
		3651	sub reload_sound {
		3652	trace "loading sound config from $DATADIR/sound\n";
		3653
		3654	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3655
		3656	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3657	my $sound = $soundconf->{compat}[$_]
		3658	or next;
		3659
		3660	my $face = cf::face::find "sound/$sound->[1]";
		3661	cf::sound::set $sound->[0] => $face;
		3662	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3663	}
		3664
		3665	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3666	my $face = cf::face::find "sound/$v";
		3667	cf::sound::set $k => $face;
		3668	}
		3669	}
		3670
2567	sub reload_resources {	3671	sub reload_resources {
2568	warn "reloading resource files...\n";	3672	trace "reloading resource files...\n";
2569		3673
		3674	reload_exp_table;
		3675	reload_materials;
		3676	reload_facedata;
		3677	reload_sound;
		3678	reload_archetypes;
2570	reload_regions;	3679	reload_regions;
2571	reload_facedata;
2572	reload_archetypes;
2573	reload_treasures;	3680	reload_treasures;
2574		3681
2575	warn "finished reloading resource files\n";	3682	trace "finished reloading resource files\n";
2576	}	3683	}
2577		3684
2578	sub init {	3685	sub reload_config {
2579	reload_resources;	3686	trace "reloading config file...\n";
2580	}
2581		3687
2582	sub cfg_load {	3688	my $config = load_file "$CONFDIR/config";
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3689	utf8::decode $config;
2584	or return;	3690	*CFG = decode_yaml $config;
2585		3691
2586	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;
2588
2589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3692	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2590		3693
2591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3694	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3695	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2593		3696
2594	if (exists $CFG{mlockall}) {	3697	if (exists $CFG{mlockall}) {
…		…
2598	};	3701	};
2599	warn $@ if $@;	3702	warn $@ if $@;
2600	}	3703	}
2601	}	3704	}
2602		3705
		3706	sub pidfile() {
		3707	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3708	or die "$PIDFILE: $!";
		3709	flock $fh, &Fcntl::LOCK_EX
		3710	or die "$PIDFILE: flock: $!";
		3711	$fh
		3712	}
		3713
		3714	# make sure only one server instance is running at any one time
		3715	sub atomic {
		3716	my $fh = pidfile;
		3717
		3718	my $pid = <$fh>;
		3719	kill 9, $pid if $pid > 0;
		3720
		3721	seek $fh, 0, 0;
		3722	print $fh $$;
		3723	}
		3724
		3725	sub main_loop {
		3726	trace "EV::loop starting\n";
		3727	if (1) {
		3728	EV::loop;
		3729	}
		3730	trace "EV::loop returned\n";
		3731	goto &main_loop unless $REALLY_UNLOOP;
		3732	}
		3733
2603	sub main {	3734	sub main {
		3735	cf::init_globals; # initialise logging
		3736
		3737	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3738	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3739	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3740	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3741
		3742	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3743
2604	# we must not ever block the main coroutine	3744	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3745	local $Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3746	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3747	(async {
2608	Event::one_event;	3748	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3749	EV::loop EV::LOOP_ONESHOT;
2609	})->prio (Coro::PRIO_MAX);	3750	})->prio (Coro::PRIO_MAX);
2610	};	3751	};
2611		3752
2612	cfg_load;	3753	evthread_start IO::AIO::poll_fileno;
		3754
		3755	cf::sync_job {
		3756	cf::incloader::init ();
		3757
		3758	cf::init_anim;
		3759	cf::init_attackmess;
		3760	cf::init_dynamic;
		3761
		3762	cf::load_settings;
		3763
		3764	reload_resources;
		3765	reload_config;
2613	db_init;	3766	db_init;
		3767
		3768	cf::init_uuid;
		3769	cf::init_signals;
		3770	cf::init_skills;
		3771
		3772	cf::init_beforeplay;
		3773
		3774	atomic;
		3775
2614	load_extensions;	3776	load_extensions;
2615		3777
2616	$TICK_WATCHER->start;	3778	utime time, time, $RUNTIMEFILE;
2617	Event::loop;	3779
		3780	# no (long-running) fork's whatsoever before this point(!)
		3781	use POSIX ();
		3782	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3783
		3784	cf::_post_init 0;
		3785	};
		3786
		3787	cf::object::thawer::errors_are_fatal 0;
		3788	info "parse errors in files are no longer fatal from this point on.\n";
		3789
		3790	AE::postpone {
		3791	undef &main; # free gobs of memory :)
		3792	};
		3793
		3794	goto &main_loop;
2618	}	3795	}
2619		3796
2620	#############################################################################	3797	#############################################################################
2621	# initialisation and cleanup	3798	# initialisation and cleanup
2622		3799
2623	# install some emergency cleanup handlers	3800	# install some emergency cleanup handlers
2624	BEGIN {	3801	BEGIN {
		3802	our %SIGWATCHER = ();
2625	for my $signal (qw(INT HUP TERM)) {	3803	for my $signal (qw(INT HUP TERM)) {
2626	Event->signal (	3804	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2627	reentrant => 0,
2628	data => WF_AUTOCANCEL,
2629	signal => $signal,
2630	prio => 0,
2631	cb => sub {
2632	cf::cleanup "SIG$signal";	3805	cf::cleanup "SIG$signal";
2633	},
2634	);	3806	};
		3807	}
		3808	}
		3809
		3810	sub write_runtime_sync {
		3811	my $t0 = AE::time;
		3812
		3813	# first touch the runtime file to show we are still running:
		3814	# the fsync below can take a very very long time.
		3815
		3816	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3817
		3818	my $guard = cf::lock_acquire "write_runtime";
		3819
		3820	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3821	or return;
		3822
		3823	my $value = $cf::RUNTIME + 90 + 10;
		3824	# 10 is the runtime save interval, for a monotonic clock
		3825	# 60 allows for the watchdog to kill the server.
		3826
		3827	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3828	and return;
		3829
		3830	# always fsync - this file is important
		3831	aio_fsync $fh
		3832	and return;
		3833
		3834	# touch it again to show we are up-to-date
		3835	aio_utime $fh, undef, undef;
		3836
		3837	close $fh
		3838	or return;
		3839
		3840	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3841	and return;
		3842
		3843	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3844
2635	}	3845	1
		3846	}
		3847
		3848	our $uuid_lock;
		3849	our $uuid_skip;
		3850
		3851	sub write_uuid_sync($) {
		3852	$uuid_skip ||= $_[0];
		3853
		3854	return if $uuid_lock;
		3855	local $uuid_lock = 1;
		3856
		3857	my $uuid = "$LOCALDIR/uuid";
		3858
		3859	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3860	or return;
		3861
		3862	my $value = uuid_seq uuid_cur;
		3863
		3864	unless ($value) {
		3865	info "cowardly refusing to write zero uuid value!\n";
		3866	return;
		3867	}
		3868
		3869	my $value = uuid_str $value + $uuid_skip;
		3870	$uuid_skip = 0;
		3871
		3872	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3873	and return;
		3874
		3875	# always fsync - this file is important
		3876	aio_fsync $fh
		3877	and return;
		3878
		3879	close $fh
		3880	or return;
		3881
		3882	aio_rename "$uuid~", $uuid
		3883	and return;
		3884
		3885	trace "uuid file written ($value).\n";
		3886
		3887	1
		3888
		3889	}
		3890
		3891	sub write_uuid($$) {
		3892	my ($skip, $sync) = @_;
		3893
		3894	$sync ? write_uuid_sync $skip
		3895	: async { write_uuid_sync $skip };
2636	}	3896	}
2637		3897
2638	sub emergency_save() {	3898	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3899	my $freeze_guard = cf::freeze_mainloop;
2640		3900
2641	warn "enter emergency perl save\n";	3901	info "emergency_perl_save: enter\n";
		3902
		3903	# this is a trade-off: we want to be very quick here, so
		3904	# save all maps without fsync, and later call a global sync
		3905	# (which in turn might be very very slow)
		3906	local $USE_FSYNC = 0;
2642		3907
2643	cf::sync_job {	3908	cf::sync_job {
		3909	cf::write_runtime_sync; # external watchdog should not bark
		3910
2644	# use a peculiar iteration method to avoid tripping on perl	3911	# use a peculiar iteration method to avoid tripping on perl
2645	# refcount bugs in for. also avoids problems with players	3912	# refcount bugs in for. also avoids problems with players
2646	# and maps saved/destroyed asynchronously.	3913	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3914	info "emergency_perl_save: begin player save\n";
2648	for my $login (keys %cf::PLAYER) {	3915	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3916	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3917	$pl->valid or next;
		3918	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3919	$pl->save;
2652	}	3920	}
2653	warn "end emergency player save\n";	3921	info "emergency_perl_save: end player save\n";
2654		3922
2655	warn "begin emergency map save\n";	3923	cf::write_runtime_sync; # external watchdog should not bark
		3924
		3925	info "emergency_perl_save: begin map save\n";
2656	for my $path (keys %cf::MAP) {	3926	for my $path (keys %cf::MAP) {
2657	my $map = $cf::MAP{$path} or next;	3927	my $map = $cf::MAP{$path} or next;
2658	$map->valid or next;	3928	$map->valid or next;
2659	$map->save;	3929	$map->save;
2660	}	3930	}
2661	warn "end emergency map save\n";	3931	info "emergency_perl_save: end map save\n";
2662		3932
2663	warn "begin emergency database checkpoint\n";	3933	cf::write_runtime_sync; # external watchdog should not bark
		3934
		3935	info "emergency_perl_save: begin database checkpoint\n";
2664	BDB::db_env_txn_checkpoint $DB_ENV;	3936	BDB::db_env_txn_checkpoint $DB_ENV;
2665	warn "end emergency database checkpoint\n";	3937	info "emergency_perl_save: end database checkpoint\n";
		3938
		3939	info "emergency_perl_save: begin write uuid\n";
		3940	write_uuid_sync 1;
		3941	info "emergency_perl_save: end write uuid\n";
		3942
		3943	cf::write_runtime_sync; # external watchdog should not bark
		3944
		3945	trace "emergency_perl_save: syncing database to disk";
		3946	BDB::db_env_txn_checkpoint $DB_ENV;
		3947
		3948	info "emergency_perl_save: starting sync\n";
		3949	IO::AIO::aio_sync sub {
		3950	info "emergency_perl_save: finished sync\n";
		3951	};
		3952
		3953	cf::write_runtime_sync; # external watchdog should not bark
		3954
		3955	trace "emergency_perl_save: flushing outstanding aio requests";
		3956	while (IO::AIO::nreqs || BDB::nreqs) {
		3957	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3958	}
		3959
		3960	cf::write_runtime_sync; # external watchdog should not bark
2666	};	3961	};
2667		3962
2668	warn "leave emergency perl save\n";	3963	info "emergency_perl_save: leave\n";
2669	}	3964	}
2670		3965
2671	sub post_cleanup {	3966	sub post_cleanup {
2672	my ($make_core) = @_;	3967	my ($make_core) = @_;
2673		3968
		3969	IO::AIO::flush;
		3970
2674	warn Carp::longmess "post_cleanup backtrace"	3971	error Carp::longmess "post_cleanup backtrace"
2675	if $make_core;	3972	if $make_core;
		3973
		3974	my $fh = pidfile;
		3975	unlink $PIDFILE if <$fh> == $$;
		3976	}
		3977
		3978	# a safer delete_package, copied from Symbol
		3979	sub clear_package($) {
		3980	my $pkg = shift;
		3981
		3982	# expand to full symbol table name if needed
		3983	unless ($pkg =~ /^main::.*::$/) {
		3984	$pkg = "main$pkg" if $pkg =~ /^::/;
		3985	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3986	$pkg .= '::' unless $pkg =~ /::$/;
		3987	}
		3988
		3989	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3990	my $stem_symtab = *{$stem}{HASH};
		3991
		3992	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3993	or return;
		3994
		3995	# clear all symbols
		3996	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3997	for my $name (keys %$leaf_symtab) {
		3998	_gv_clear *{"$pkg$name"};
		3999	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4000	}
2676	}	4001	}
2677		4002
2678	sub do_reload_perl() {	4003	sub do_reload_perl() {
2679	# can/must only be called in main	4004	# can/must only be called in main
2680	if ($Coro::current != $Coro::main) {	4005	unless (in_main) {
2681	warn "can only reload from main coroutine";	4006	error "can only reload from main coroutine";
2682	return;	4007	return;
2683	}	4008	}
2684		4009
2685	warn "reloading...";	4010	return if $RELOAD++;
2686		4011
2687	warn "entering sync_job";	4012	my $t1 = AE::time;
2688		4013
		4014	while ($RELOAD) {
		4015	cf::get_slot 0.1, -1, "reload_perl";
		4016	info "perl_reload: reloading...";
		4017
		4018	trace "perl_reload: entering sync_job";
		4019
2689	cf::sync_job {	4020	cf::sync_job {
2690	cf::write_runtime; # external watchdog should not bark
2691	cf::emergency_save;	4021	#cf::emergency_save;
2692	cf::write_runtime; # external watchdog should not bark
2693		4022
2694	warn "syncing database to disk";
2695	BDB::db_env_txn_checkpoint $DB_ENV;
2696
2697	# if anything goes wrong in here, we should simply crash as we already saved
2698
2699	warn "cancelling all WF_AUTOCANCEL watchers";
2700	for (Event::all_watchers) {
2701	$_->cancel if $_->data & WF_AUTOCANCEL;
2702	}
2703
2704	warn "flushing outstanding aio requests";
2705	for (;;) {
2706	BDB::flush;
2707	IO::AIO::flush;
2708	Coro::cede;
2709	last unless IO::AIO::nreqs || BDB::nreqs;
2710	warn "iterate...";
2711	}
2712
2713	++$RELOAD;
2714
2715	warn "cancelling all extension coros";	4023	trace "perl_reload: cancelling all extension coros";
2716	$_->cancel for values %EXT_CORO;	4024	$_->cancel for values %EXT_CORO;
2717	%EXT_CORO = ();	4025	%EXT_CORO = ();
2718		4026
2719	warn "removing commands";	4027	trace "perl_reload: removing commands";
2720	%COMMAND = ();	4028	%COMMAND = ();
2721		4029
2722	warn "removing ext commands";	4030	trace "perl_reload: removing ext/exti commands";
2723	%EXTCMD = ();	4031	%EXTCMD = ();
		4032	%EXTICMD = ();
2724		4033
2725	warn "unloading/nuking all extensions";	4034	trace "perl_reload: unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {	4035	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";	4036	trace "... unloading $pkg";
2728		4037
2729	if (my $cb = $pkg->can ("unload")) {	4038	if (my $cb = $pkg->can ("unload")) {
2730	eval {	4039	eval {
2731	$cb->($pkg);	4040	$cb->($pkg);
2732	1	4041	1
2733	} or warn "$pkg unloaded, but with errors: $@";	4042	} or error "$pkg unloaded, but with errors: $@";
		4043	}
		4044
		4045	trace "... clearing $pkg";
		4046	clear_package $pkg;
2734	}	4047	}
2735		4048
2736	warn "... nuking $pkg";
2737	Symbol::delete_package $pkg;
2738	}
2739
2740	warn "unloading all perl modules loaded from $LIBDIR";	4049	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2741	while (my ($k, $v) = each %INC) {	4050	while (my ($k, $v) = each %INC) {
2742	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743		4052
2744	warn "... unloading $k";	4053	trace "... unloading $k";
2745	delete $INC{$k};	4054	delete $INC{$k};
2746		4055
2747	$k =~ s/\.pm$//;	4056	$k =~ s/\.pm$//;
2748	$k =~ s/\//::/g;	4057	$k =~ s/\//::/g;
2749		4058
2750	if (my $cb = $k->can ("unload_module")) {	4059	if (my $cb = $k->can ("unload_module")) {
2751	$cb->();	4060	$cb->();
		4061	}
		4062
		4063	clear_package $k;
2752	}	4064	}
2753		4065
2754	Symbol::delete_package $k;
2755	}
2756
2757	warn "getting rid of safe::, as good as possible";	4066	trace "perl_reload: getting rid of safe::, as good as possible";
2758	Symbol::delete_package "safe::$_"	4067	clear_package "safe::$_"
2759	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4068	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2760		4069
2761	warn "unloading cf.pm \"a bit\"";	4070	trace "perl_reload: unloading cf.pm \"a bit\"";
2762	delete $INC{"cf.pm"};	4071	delete $INC{"cf.pm"};
2763	delete $INC{"cf/pod.pm"};	4072	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2764		4073
2765	# don't, removes xs symbols, too,	4074	# don't, removes xs symbols, too,
2766	# and global variables created in xs	4075	# and global variables created in xs
2767	#Symbol::delete_package __PACKAGE__;	4076	#clear_package __PACKAGE__;
2768		4077
2769	warn "unload completed, starting to reload now";	4078	info "perl_reload: unload completed, starting to reload now";
2770		4079
2771	warn "reloading cf.pm";	4080	trace "perl_reload: reloading cf.pm";
2772	require cf;	4081	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4082	cf::_connect_to_perl_1;
2774		4083
2775	warn "loading config and database again";	4084	trace "perl_reload: loading config and database again";
2776	cf::cfg_load;	4085	cf::reload_config;
2777		4086
2778	warn "loading extensions";	4087	trace "perl_reload: loading extensions";
2779	cf::load_extensions;	4088	cf::load_extensions;
2780		4089
		4090	if ($REATTACH_ON_RELOAD) {
2781	warn "reattaching attachments to objects/players";	4091	trace "perl_reload: reattaching attachments to objects/players";
2782	_global_reattach; # objects, sockets	4092	_global_reattach; # objects, sockets
2783	warn "reattaching attachments to maps";	4093	trace "perl_reload: reattaching attachments to maps";
2784	reattach $_ for values %MAP;	4094	reattach $_ for values %MAP;
2785	warn "reattaching attachments to players";	4095	trace "perl_reload: reattaching attachments to players";
2786	reattach $_ for values %PLAYER;	4096	reattach $_ for values %PLAYER;
		4097	}
2787		4098
2788	warn "leaving sync_job";	4099	cf::_post_init 1;
2789		4100
		4101	trace "perl_reload: leaving sync_job";
		4102
2790	1	4103	1
2791	} or do {	4104	} or do {
2792	warn $@;	4105	error $@;
2793	warn "error while reloading, exiting.";	4106	cf::cleanup "perl_reload: error, exiting.";
2794	exit 1;	4107	};
		4108
		4109	--$RELOAD;
2795	};	4110	}
2796		4111
2797	warn "reloaded";	4112	$t1 = AE::time - $t1;
		4113	info "perl_reload: completed in ${t1}s\n";
2798	};	4114	};
2799		4115
2800	our $RELOAD_WATCHER; # used only during reload	4116	our $RELOAD_WATCHER; # used only during reload
2801		4117
2802	sub reload_perl() {	4118	sub reload_perl() {
2803	# doing reload synchronously and two reloads happen back-to-back,	4119	# doing reload synchronously and two reloads happen back-to-back,
2804	# coro crashes during coro_state_free->destroy here.	4120	# coro crashes during coro_state_free->destroy here.
2805		4121
2806	$RELOAD_WATCHER ||= Event->timer (	4122	$RELOAD_WATCHER ||= cf::async {
2807	reentrant => 0,	4123	Coro::AIO::aio_wait cache_extensions;
2808	after => 0,	4124
2809	data => WF_AUTOCANCEL,	4125	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2810	cb => sub {
2811	do_reload_perl;	4126	do_reload_perl;
2812	undef $RELOAD_WATCHER;	4127	undef $RELOAD_WATCHER;
2813	},	4128	};
2814	);	4129	};
2815	}	4130	}
2816		4131
2817	register_command "reload" => sub {	4132	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	4133	my ($who, $arg) = @_;
2819		4134
2820	if ($who->flag (FLAG_WIZ)) {	4135	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	4136	$who->message ("reloading server.");
		4137	async {
		4138	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	4139	reload_perl;
		4140	};
2823	}	4141	}
2824	};	4142	};
2825		4143
2826	unshift @INC, $LIBDIR;	4144	#############################################################################
2827		4145
2828	my $bug_warning = 0;	4146	my $bug_warning = 0;
2829		4147
2830	our @WAIT_FOR_TICK;
2831	our @WAIT_FOR_TICK_BEGIN;
2832
2833	sub wait_for_tick {	4148	sub wait_for_tick() {
2834	return unless $TICK_WATCHER->is_active;	4149	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2835	return if $Coro::current == $Coro::main;
2836		4150
2837	my $signal = new Coro::Signal;	4151	$WAIT_FOR_TICK->wait;
2838	push @WAIT_FOR_TICK, $signal;
2839	$signal->wait;
2840	}	4152	}
2841		4153
2842	sub wait_for_tick_begin {	4154	sub wait_for_tick_begin() {
2843	return unless $TICK_WATCHER->is_active;	4155	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2844	return if $Coro::current == $Coro::main;
2845		4156
2846	my $signal = new Coro::Signal;	4157	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	4158	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	4159	$signal->wait;
2849	}	4160	}
2850		4161
2851	$TICK_WATCHER = Event->timer (	4162	sub tick {
2852	reentrant => 0,
2853	parked => 1,
2854	prio => 0,
2855	at => $NEXT_TICK || $TICK,
2856	data => WF_AUTOCANCEL,
2857	cb => sub {
2858	if ($Coro::current != $Coro::main) {	4163	if ($Coro::current != $Coro::main) {
2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4164	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860	unless ++$bug_warning > 10;	4165	unless ++$bug_warning > 10;
2861	return;	4166	return;
2862	}	4167	}
2863		4168
2864	$NOW = $tick_start = Event::time;	4169	cf::one_tick; # one server iteration
2865		4170
2866	cf::server_tick; # one server iteration	4171	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2867		4172
2868	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;
2870
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4173	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	4174	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873	Coro::async_pool {	4175	Coro::async_pool {
		4176	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	4177	write_runtime_sync
2875	or warn "ERROR: unable to write runtime file: $!";	4178	or error "ERROR: unable to write runtime file: $!";
2876	};
2877	}	4179	};
		4180	}
2878		4181
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4182	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	4183	$sig->send;
2884	}	4184	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	4185	$WAIT_FOR_TICK->broadcast;
2886	$sig->send;
2887	}
2888		4186
2889	$NOW = Event::time;	4187	$LOAD = ($NOW - $TICK_START) / $TICK;
2890
2891	# if we are delayed by four ticks or more, skip them all
2892	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894	$TICK_WATCHER->at ($NEXT_TICK);
2895	$TICK_WATCHER->start;
2896
2897	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4188	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		4189
2900	_post_tick;	4190	if (0) {
2901		4191	if ($NEXT_TICK) {
2902		4192	my $jitter = $TICK_START - $NEXT_TICK;
		4193	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4194	debug "jitter $JITTER\n";#d#
		4195	}
2903	},	4196	}
2904	);	4197	}
2905		4198
2906	{	4199	{
2907	BDB::max_poll_time $TICK * 0.1;	4200	# configure BDB
2908	$BDB_POLL_WATCHER = Event->io (	4201
2909	reentrant => 0,
2910	fd => BDB::poll_fileno,
2911	poll => 'r',
2912	prio => 0,
2913	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,
2915	);
2916	BDB::min_parallel 8;	4202	BDB::min_parallel 16;
2917		4203	BDB::max_poll_reqs $TICK * 0.1;
2918	BDB::set_sync_prepare {	4204	#$AnyEvent::BDB::WATCHER->priority (1);
2919	my $status;
2920	my $current = $Coro::current;
2921	(
2922	sub {
2923	$status = $!;
2924	$current->ready; undef $current;
2925	},
2926	sub {
2927	Coro::schedule while defined $current;
2928	$! = $status;
2929	},
2930	)
2931	};
2932		4205
2933	unless ($DB_ENV) {	4206	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	4207	$DB_ENV = BDB::db_env_create;
		4208	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4209	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4210	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4211	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4212	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		4213
2936	cf::sync_job {	4214	cf::sync_job {
2937	eval {	4215	eval {
2938	BDB::db_env_open	4216	BDB::db_env_open
2939	$DB_ENV,	4217	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4219	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4220	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	4221	0666;
2944		4222
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4223	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948	$DB_ENV->set_lk_detect;
2949	};	4224	};
2950		4225
2951	cf::cleanup "db_env_open(db): $@" if $@;	4226	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	4227	};
2953	}	4228	}
		4229
		4230	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4231	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4232	};
		4233	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4234	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4235	};
		4236	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4237	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4238	};
2954	}	4239	}
2955		4240
2956	{	4241	{
		4242	# configure IO::AIO
		4243
2957	IO::AIO::min_parallel 8;	4244	IO::AIO::min_parallel 8;
2958
2959	undef $Coro::AIO::WATCHER;
2960	IO::AIO::max_poll_time $TICK * 0.1;	4245	IO::AIO::max_poll_time $TICK * 0.1;
2961	$AIO_POLL_WATCHER = Event->io (	4246	undef $AnyEvent::AIO::WATCHER;
2962	reentrant => 0,
2963	data => WF_AUTOCANCEL,
2964	fd => IO::AIO::poll_fileno,
2965	poll => 'r',
2966	prio => 6,
2967	cb => \&IO::AIO::poll_cb,
2968	);
2969	}	4247	}
2970		4248
2971	my $_log_backtrace;	4249	our $_log_backtrace;
		4250	our $_log_backtrace_last;
2972		4251
2973	sub _log_backtrace {	4252	sub _log_backtrace {
2974	my ($msg, @addr) = @_;	4253	my ($msg, @addr) = @_;
2975		4254
2976	$msg =~ s/\n//;	4255	$msg =~ s/\n$//;
2977		4256
		4257	if ($_log_backtrace_last eq $msg) {
		4258	LOG llevInfo, "[ABT] $msg\n";
		4259	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2978	# limit the # of concurrent backtraces	4260	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	4261	} elsif ($_log_backtrace < 2) {
		4262	$_log_backtrace_last = $msg;
2980	++$_log_backtrace;	4263	++$_log_backtrace;
		4264	my $perl_bt = Carp::longmess $msg;
2981	async {	4265	async {
		4266	$Coro::current->{desc} = "abt $msg";
		4267
2982	my @bt = fork_call {	4268	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	4269	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4270	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4271	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	4272	or die "addr2line: $!";
…		…
2994	}	4280	}
2995		4281
2996	@funcs	4282	@funcs
2997	};	4283	};
2998		4284
2999	LOG llevInfo, "[ABT] $msg\n";	4285	LOG llevInfo, "[ABT] $perl_bt\n";
		4286	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000	LOG llevInfo, "[ABT] $_\n" for @bt;	4287	LOG llevInfo, "[ABT] $_\n" for @bt;
3001	--$_log_backtrace;	4288	--$_log_backtrace;
3002	};	4289	};
3003	} else {	4290	} else {
3004	LOG llevInfo, "[ABT] $msg\n";	4291	LOG llevInfo, "[ABT] $msg\n";
3005	LOG llevInfo, "[ABT] [suppressed]\n";	4292	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3006	}	4293	}
3007	}	4294	}
3008		4295
3009	# load additional modules	4296	# load additional modules
3010	use cf::pod;	4297	require "cf/$_.pm" for @EXTRA_MODULES;
		4298	cf::_connect_to_perl_2;
3011		4299
3012	END { cf::emergency_save }	4300	END { cf::emergency_save }
3013		4301
3014	1	4302	1
3015		4303

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