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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.267 by root, Sat May 19 00:08:11 2007 UTC vs.
Revision 1.583 by root, Mon Oct 29 23:12:37 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, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
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
…		…
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
…		…
716	";	1198	";
717	die if $@;	1199	die if $@;
718	}	1200	}
719		1201
720	our $override;	1202	our $override;
721	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?
722		1204
723	sub override {	1205	sub override {
724	$override = 1;	1206	$override = 1;
725	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
726	}	1208	}
727		1209
728	sub do_invoke {	1210	sub do_invoke {
729	my $event = shift;	1211	my $event = shift;
730	my $callbacks = shift;	1212	my $callbacks = shift;
731		1213
732	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
733		1215
734	local $override;	1216	local $override;
735		1217
736	for (@$callbacks) {	1218	for (@$callbacks) {
737	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
738		1220
739	if ($@) {	1221	if ($@) {
740	warn "$@";
741	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
742	override;	1223	override;
743	}	1224	}
744		1225
745	return 1 if $override;	1226	return 1 if $override;
746	}	1227	}
747		1228
748	0	1229	0
749	}	1230	}
750		1231
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1233
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1235
755	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
756		1237
757	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
758	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
759	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1241
761	=back	1242	=back
762		1243
763	=cut	1244	=cut
764		1245
765	#############################################################################	1246	#############################################################################
766	# 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, $ob2
		1289	}
767		1290
768	sub reattach {	1291	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1293	my ($obj) = @_;
771		1294
		1295	# no longer needed after getting rid of delete_package?
772	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
773		1297
774	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
775		1299
776	@$registry = ();	1300	@$registry = ();
777		1301
…		…
782	for (@$attach) {	1306	for (@$attach) {
783	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
784	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
785	}	1309	}
786	} else {	1310	} else {
787	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
788	}	1312	}
789	}	1313	}
790	}	1314	}
791		1315
792	cf::attachable->attach (	1316	cf::attachable->attach (
793	prio => -1000000,	1317	prio => -1000000,
794	on_instantiate => sub {	1318	on_instantiate => sub {
795	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
796		1320
797	$data = from_json $data;	1321	$data = decode_json $data;
798		1322
799	for (@$data) {	1323	for (@$data) {
800	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
801		1325
802	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1342	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
820		1344
821	sync_job {	1345	sync_job {
822	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
825		1351
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	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	}
830	close $fh;	1359	aio_close $fh;
831		1360
832	if (@$objs) {	1361	if (@$objs) {
833	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) {
834	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
837	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	}
838	close $fh;	1370	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
840	}	1372	}
841	} else {	1373	} else {
842	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
843	}	1375	}
844		1376
845	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1381	} else {
847	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
848	}	1383	}
849	} else {	1384	} else {
850	aio_unlink $filename;	1385	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
852	}	1387	}
853	}	1388	};
854	}	1389	}
855		1390
856	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
858		1393
…		…
870	or return;	1405	or return;
871		1406
872	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
874	or return;	1409	or return;
		1410
875	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
876	}	1413	}
877		1414
		1415	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
880	return ($data, $av);	1420	($data, $av)
881	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
882		1428
883	#############################################################################	1429	#############################################################################
884	# command handling &c	1430	# command handling &c
885		1431
886	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1446	}
901		1447
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
903		1449
904	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.
905		1455
906	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
907	called.	1457	called.
908		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
909	=cut	1470	=cut
910		1471
911	sub register_extcmd {	1472	sub register_extcmd {
912	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
913		1474
914	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
915	}	1476	}
916		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
917	cf::player->attach (	1486	cf::player->attach (
918	on_command => sub {	1487	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
920		1489
921	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
922	or return;	1491	or return;
923		1492
…		…
928	cf::override;	1497	cf::override;
929	},	1498	},
930	on_extcmd => sub {	1499	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
932		1501
933	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1503
935	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
941	} else {	1516	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1518	}
944		1519
945	cf::override;	1520	cf::override;
946	},	1521	},
947	);	1522	);
948		1523
		1524	# "readahead" all extensions
949	sub load_extension {	1525	sub cache_extensions {
950	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
951		1527
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1531	}
977	die $@;
978	}	1532	};
979		1533
980	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;
981	}	1546	}
982		1547
983	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
984	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1557	next unless -r $path;
986	eval {	1558
987	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 $active;
		1630	}
988	1	1631	}
989	} or warn "$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	}
990	}	1644	};
991	}	1645	}
992		1646
993	#############################################################################	1647	#############################################################################
994		1648
		1649	=back
		1650
995	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
996		1652
997	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
998		1654
999	=cut	1655	=cut
1000		1656
1001	package cf::player;	1657	package cf::player;
1002		1658
1003	use Coro::AIO;	1659	use Coro::AIO;
1004		1660
1005	=head3 cf::player	1661	=head3 cf::player
1006		1662
1007	=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	}
1008		1678
1009	=item cf::player::find $login	1679	=item cf::player::find $login
1010		1680
1011	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
1012		1682
…		…
1031		1701
1032	sub exists($) {	1702	sub exists($) {
1033	my ($login) = @_;	1703	my ($login) = @_;
1034		1704
1035	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1037	}	1707	}
1038		1708
1039	sub find($) {	1709	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1711	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1721	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1722
1053	my $pl = load_pl path $login	1723	my $f = new_from_file cf::object::thawer path $login
1054	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;
1055	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1056	}	1732	}
1057	}	1733	}
1058	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($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	);
1059		1748
1060	sub save($) {	1749	sub save($) {
1061	my ($pl) = @_;	1750	my ($pl) = @_;
1062		1751
1063	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1069		1758
1070	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1072		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
1073	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1074	Coro::cede;	1768	cf::cede_to_tick;
1075	}	1769	}
1076		1770
1077	sub new($) {	1771	sub new($) {
1078	my ($login) = @_;	1772	my ($login) = @_;
1079		1773
…		…
1085	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1086		1780
1087	$self	1781	$self
1088	}	1782	}
1089		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
1090	=item $pl->quit_character	1794	=item $pl->quit_character
1091		1795
1092	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1094		1798
…		…
1098	my ($pl) = @_;	1802	my ($pl) = @_;
1099		1803
1100	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1101		1805
1102	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1103	$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
1104		1808
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1106	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1108	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1109		1817
1110	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1112	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1147	or return [];	1855	or return [];
1148		1856
1149	my @logins;	1857	my @logins;
1150		1858
1151	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") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1155		1869
1156	utf8::decode $login;	1870	utf8::decode $login;
1157	push @logins, $login;	1871	push @logins, $login;
1158	}	1872	}
1159		1873
1160	\@logins	1874	\@logins
1161	}	1875	}
1162		1876
1163	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1164		1880
1165	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1166	player. May block.	1882	player. May block.
1167		1883
1168	=cut	1884	=cut
…		…
1186	}	1902	}
1187		1903
1188	\@paths	1904	\@paths
1189	}	1905	}
1190		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1191	=item $player->ext_reply ($msgid, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1192		1912
1193	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1194		1914
1195	=cut	1915	=cut
1196		1916
1197	sub ext_reply($$%) {	1917	sub ext_reply($$@) {
1198	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1199		1919
1200	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}	1921	}
1204		1922
1205	=item $player->ext_event ($type, %msg)	1923	=item $player->ext_msg ($type, @msg)
1206		1924
1207	Sends an ext event to the client.	1925	Sends an ext event to the client.
1208		1926
1209	=cut	1927	=cut
1210		1928
1211	sub ext_event($$%) {	1929	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1930	my ($self, $type, @msg) = @_;
1213		1931
1214	$self->ns->ext_event ($type, %msg);	1932	$self->ns->ext_msg ($type, @msg);
1215	}	1933	}
1216		1934
1217	=head3 cf::region	1935	=head3 cf::region
1218		1936
1219	=over 4	1937	=over 4
…		…
1222		1940
1223	package cf::region;	1941	package cf::region;
1224		1942
1225	=item cf::region::find_by_path $path	1943	=item cf::region::find_by_path $path
1226		1944
1227	Tries to decuce the probable region for a map knowing only its path.	1945	Tries to decuce the likely region for a map knowing only its path.
1228		1946
1229	=cut	1947	=cut
1230		1948
1231	sub find_by_path($) {	1949	sub find_by_path($) {
1232	my ($path) = @_;	1950	my ($path) = @_;
1233		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
1234	my ($match, $specificity);	1954	my ($match, $specificity);
1235		1955
1236	for my $region (list) {	1956	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1957	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1958	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1959	if $region->specificity > $specificity;
1240	}	1960	}
1241	}	1961	}
1242		1962
…		…
1263	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1265		1985
1266	sub generate_random_map {	1986	sub generate_random_map {
1267	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1268	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1269	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1277	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1278	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1280	(cf::region::find $rmp->{region}), $rmp->{custom}
1281	)
1282	}	1992	}
1283		1993
1284	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1285		1995
1286	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
…		…
1291		2001
1292	sub register {	2002	sub register {
1293	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1294	my $pkg = caller;	2004	my $pkg = caller;
1295		2005
1296	no strict;
1297	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1298		2007
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	2009	}
1301		2010
1302	# also paths starting with '/'	2011	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		2013
1305	sub thawer_merge {	2014	sub thawer_merge {
1306	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1307		2016
1308	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
1309	local $self->{path};	2018	local $self->{path};
1310	local $self->{load_path};	2019	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		2020
1314	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1315	}	2022	}
1316		2023
1317	sub normalise {	2024	sub normalise {
1318	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1319		2026
1320	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1321		2028
1322	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1323		2030
1324	# map plan:	2031	# map plan:
1325	#	2032	#
…		…
1340	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1341	$path = "$base/$path";	2048	$path = "$base/$path";
1342	}	2049	}
1343		2050
1344	for ($path) {	2051	for ($path) {
1345	redo if s{//}{/};
1346	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1347	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1348	}	2054	}
1349		2055
1350	$path	2056	$path
…		…
1364	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1365	return $self;	2071	return $self;
1366	}	2072	}
1367	}	2073	}
1368		2074
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1370	()	2076	()
1371	}	2077	}
1372		2078
		2079	# may re-bless or do other evil things
1373	sub init {	2080	sub init {
1374	my ($self) = @_;	2081	my ($self) = @_;
1375		2082
1376	$self	2083	$self
1377	}	2084	}
…		…
1396		2103
1397	# the temporary/swap location	2104	# the temporary/swap location
1398	sub save_path {	2105	sub save_path {
1399	my ($self) = @_;	2106	my ($self) = @_;
1400		2107
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1403	}	2110	}
1404		2111
1405	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1406	sub uniq_path {	2113	sub uniq_path {
1407	my ($self) = @_;	2114	my ($self) = @_;
1408		2115
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1411	}	2118	}
1412		2119
1413	# and all this just because we cannot iterate over	2120	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	2121	my ($self) = @_;
1417		2122
1418	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1420	}	2126	}
1421		2127
1422	sub unlink_save {	2128	sub unlink_save {
1423	my ($self) = @_;	2129	my ($self) = @_;
1424		2130
…		…
1429		2135
1430	sub load_header_from($) {	2136	sub load_header_from($) {
1431	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1432		2138
1433	utf8::encode $path;	2139	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	2141	or return;
1439		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1440	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1441		2150
1442	1	2151	1
1443	}	2152	}
1444		2153
		2154	# used to laod the header of an original map
1445	sub load_header_orig {	2155	sub load_header_orig {
1446	my ($self) = @_;	2156	my ($self) = @_;
1447		2157
1448	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1449	}	2159	}
1450		2160
		2161	# used to laod the header of an instantiated map
1451	sub load_header_temp {	2162	sub load_header_temp {
1452	my ($self) = @_;	2163	my ($self) = @_;
1453		2164
1454	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1455	}	2166	}
1456		2167
		2168	# called after loading the header from an instantiated map
1457	sub prepare_temp {	2169	sub prepare_temp {
1458	my ($self) = @_;	2170	my ($self) = @_;
1459		2171
1460	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1461	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1462	# safety	2174	# safety
1463	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1464	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1465	}	2177	}
1466		2178
		2179	# called after loading the header from an original map
1467	sub prepare_orig {	2180	sub prepare_orig {
1468	my ($self) = @_;	2181	my ($self) = @_;
1469		2182
1470	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1471	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1482	$self->load_header_orig	2195	$self->load_header_orig
1483	or return;	2196	or return;
1484	$self->prepare_orig;	2197	$self->prepare_orig;
1485	}	2198	}
1486		2199
		2200	$self->{deny_reset} = 1
		2201	if $self->no_reset;
		2202
1487	$self->default_region (cf::region::find_by_path $self->{path})	2203	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2204	unless $self->default_region;
1489		2205
1490	1	2206	1
1491	}	2207	}
1492		2208
1493	sub find;	2209	sub find;
1494	sub find {	2210	sub find {
1495	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1496		2212
		2213	cf::cede_to_tick;
		2214
1497	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1498		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2219
1501	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1504	or return;	2222	or return;
1505		2223
1506	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1507		2225
1508	$map->load_header	2226	$map->load_header
1509	or return;	2227	or return;
1510		2228
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1514	$map->reset;	2234	$map->reset;
1515	undef $guard;
1516	return find $path;	2235	return find $path;
1517	}	2236	}
1518		2237
1519	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1520	}	2239	}
1521	}	2240	}
1522		2241
1523	sub pre_load { }	2242	sub pre_load { }
1524	sub post_load { }	2243	#sub post_load { } # XS
1525		2244
1526	sub load {	2245	sub load {
1527	my ($self) = @_;	2246	my ($self) = @_;
1528		2247
1529	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1530		2249
1531	my $path = $self->{path};	2250	my $path = $self->{path};
1532		2251
1533	{	2252	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1535		2254
		2255	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1537
1538	$self->in_memory (cf::MAP_LOADING);
1539		2257
1540	$self->alloc;	2258	$self->alloc;
1541		2259
1542	$self->pre_load;	2260	$self->pre_load;
1543	Coro::cede;	2261	cf::cede_to_tick;
1544		2262
1545	$self->_load_objects ($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)
1546	or return;	2267	or return;
1547		2268
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1549	if delete $self->{load_original};	2270	if delete $self->{load_original};
1550		2271
1551	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2273	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2276	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1556	}	2281	}
1557	}
1558		2282
1559	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;
1560	# now do the right thing for maps	2292	# now do the right thing for maps
1561	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2295	unless $self->difficulty;
1564	Coro::cede;	2296	cf::cede_to_tick;
1565		2297
1566	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2299	$self->decay_objects;
1568	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1569	$self->update_buttons;	2301	$self->update_buttons;
1570	Coro::cede;	2302	cf::cede_to_tick;
1571	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
1572	Coro::cede;
1573	$self->activate;
1574	}	2304	}
1575		2305
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1577	}	2308	}
1578		2309
1579	$self->post_load;	2310	$self->post_load;
1580	}
1581		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2318	sub customise_for {
1583	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1584		2320
1585	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2322	if $self->per_player;
1587		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1588	$self	2327	$self
1589	}
1590
1591	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {
1593	my ($map) = @_;
1594
1595	my @diag; # diagonal neighbours
1596
1597	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)
1599	or next;
1600	$neigh = find $neigh, $map
1601	or next;
1602	$neigh->load;
1603
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}
1607
1608	for (@diag) {
1609	my $neigh = find @$_
1610	or next;
1611	$neigh->load;
1612	}
1613	}	2328	}
1614		2329
1615	sub find_sync {	2330	sub find_sync {
1616	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1617		2332
1618	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, $origin
1619	}	2338	}
1620		2339
1621	sub do_load_sync {	2340	sub do_load_sync {
1622	my ($map) = @_;	2341	my ($map) = @_;
1623		2342
1624	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;
1625	}	2348	}
1626		2349
1627	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1629		2352
1630	sub find_async {	2353	sub find_async {
1631	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1632		2355
1633	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1634		2357
1635	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1637	}	2360	}
1638		2361
1639	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1640	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1641	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2369	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2370	$map->load if $v;
		2371	}
1646		2372
1647	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1648	}	2374	}
1649	}	2375	}
1650	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1651	};	2377	};
1652	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1653		2379
1654	()	2380	()
1655	}	2381	}
1656		2382
		2383	# common code, used by both ->save and ->swapout
1657	sub save {	2384	sub _save {
1658	my ($self) = @_;	2385	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2386
1662	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1663		2388
1664	return unless $self->dirty;	2389	return unless $self->dirty;
1665		2390
…		…
1671	return if $self->{deny_save};	2396	return if $self->{deny_save};
1672		2397
1673	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1674		2399
1675	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1677	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1678		2406
1679	if ($uniq) {	2407	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2410	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2412	}
1685	}	2413	}
1686		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1687	sub swap_out {	2423	sub swap_out {
1688	my ($self) = @_;	2424	my ($self) = @_;
1689		2425
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1695	return if $self->players;	2430	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		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
1699	$self->clear;	2441	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2442	}
1702		2443
1703	sub reset_at {	2444	sub reset_at {
1704	my ($self) = @_;	2445	my ($self) = @_;
1705		2446
1706	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1709		2449
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2452
…		…
1723	my ($self) = @_;	2463	my ($self) = @_;
1724		2464
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2466
1727	return if $self->players;	2467	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2468
1730	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
1731		2470
1732	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1733		2472
1734	# need to save uniques path	2473	# need to save uniques path
1735	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1736	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1737		2476
…		…
1739	if $uniq;	2478	if $uniq;
1740	}	2479	}
1741		2480
1742	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1743		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2485	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2486
1748	$self->unlink_save;	2487	$self->unlink_save;
1749	$self->destroy;	2488	$self->destroy;
1750	}	2489	}
1751		2490
1752	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1753		2492
1754	sub nuke {	2493	sub nuke {
1755	my ($self) = @_;	2494	my ($self) = @_;
1756		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1757	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1758		2500
1759	$self->unlink_save;	2501	$self->unlink_save;
1760		2502
1761	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2508
1767	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1768		2511
1769	$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	]
1770	}	2549	}
1771		2550
1772	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1773		2552
1774	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2554	instantiated unique items. May block.
1776		2555
1777	=cut	2556	=cut
1778		2557
1779	sub unique_maps() {	2558	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2559	[
1781	or return;	2560	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2561	utf8::decode $_;
1787	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2564	? ()
1790	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2567	]
1792
1793	\@paths
1794	}	2568	}
1795		2569
1796	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	}
1797		2601
1798	=back	2602	=back
1799		2603
1800	=head3 cf::object	2604	=head3 cf::object
1801		2605
…		…
1805		2609
1806	=over 4	2610	=over 4
1807		2611
1808	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1809		2613
1810	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.
1811		2616
1812	=cut	2617	=cut
1813		2618
1814	sub inv_recursive_;	2619	sub inv_recursive_;
1815	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1818		2623
1819	sub inv_recursive {	2624	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1821	}	2626	}
1822		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
1823	package cf;	2656	package cf;
1824		2657
1825	=back	2658	=back
1826		2659
1827	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1833	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>
1834	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
1835	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1836		2669
1837	=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	};
1838		2685
1839	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2687	# with dialog boxes.
1841	#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
1842	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1844		2691
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2693
1847	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1849	} 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 {
1850	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1852	}	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 (@_);
1853	}	2719	}
1854		2720
1855	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1856		2722
1857	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1870		2736
1871	=item $player_object->enter_link	2737	=item $player_object->enter_link
1872		2738
1873	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}>).
1874		2740
1875	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.
1876	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.
1877		2745
1878	Will never block.	2746	Will never block.
1879		2747
1880	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1881		2749
…		…
1901	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2770	my ($self) = @_;
1903		2771
1904	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1905		2773
		2774	++$self->{_link_recursion};
		2775
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2777
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2779	if $self->map && $self->map->{path} ne "{link}";
1910		2780
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2782	}
1913		2783
1914	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
		2786
		2787	return unless $self->contr->active;
1916		2788
1917	my $link_pos = delete $self->{_link_pos};	2789	my $link_pos = delete $self->{_link_pos};
1918		2790
1919	unless ($map) {	2791	unless ($map) {
1920	# restore original map position	2792	# restore original map position
…		…
1931	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1933		2805
1934	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1937		2809
1938	$map->load;	2810	$map->load;
1939	$map->load_diag;
1940		2811
1941	return unless $self->contr->active;	2812	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2813
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
1946	}	2816	# entering was successful
1947		2817	delete $self->{_link_recursion};
1948	cf::player->attach (	2818	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2819	$self->activate_recursive;
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},	2820	}
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2821
1962	# try to abort aborted map switching on player login :)	2822	}
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2823
1980	=item $player_object->goto ($path, $x, $y)	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1981		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
1982	=cut	2835	=cut
		2836
		2837	our $GOTOGEN;
1983		2838
1984	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1985	my ($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;
1986		2850
1987	$self->enter_link;	2851	$self->enter_link;
1988		2852
1989	(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
1990	my $map = eval {	2875	my $map = eval {
1991	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2877
		2878	if ($map) {
1992	$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
1993	$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 $@;
1994	} or	2891	}
1995	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1996		2892
		2893	if ($gen == $self->{_goto_generation}) {
		2894	delete $self->{_goto_generation};
1997	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
		2896	}
		2897
		2898	$done->($self) if $done;
1998	})->prio (1);	2899	})->prio (1);
1999	}	2900	}
2000		2901
2001	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2002		2903
…		…
2022	}	2923	}
2023		2924
2024	sub prepare_random_map {	2925	sub prepare_random_map {
2025	my ($exit) = @_;	2926	my ($exit) = @_;
2026		2927
2027	my $guard = cf::lock_acquire "exit_prepare:$exit";
2028
2029	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2030	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2031	# that depends on the exit object	2930	# that depends on the exit object
2032		2931
2033	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2035	if ($exit->map) {	2934	if ($exit->map) {
2036	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2037	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2038	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2039	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2040	}	2941	}
2041		2942
2042	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2043		2944
2044	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2045	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2046	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2047		2948
2048	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2049	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2050	undef $fh;	2951	undef $fh;
2051	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2052		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2053	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2054	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2055	}	2960	}
2056	}	2961	}
2057		2962
2058	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2059	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2060		2965
2061	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2062		2967
2063	if ($exit->slaying eq "/!") {
2064	#TODO: this should de-fi-ni-te-ly not be a sync-job
2065	# the problem is that $exit might not survive long enough
2066	# so it needs to be done right now, right here
2067	cf::sync_job { prepare_random_map $exit };
2068	}
2069
2070	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2071	my $hp = $exit->stats->hp;
2072	my $sp = $exit->stats->sp;
2073
2074	$self->enter_link;	2968	$self->enter_link;
2075		2969
2076	(async {	2970	(async {
2077	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2078	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
2079	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2080		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
2081	1;	3009	1
2082	}) {	3010	}) {
2083	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2084	. "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. "
2085	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2086	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2087		3015
2088	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2089	$self->leave_link;	3017	$self->leave_link;
2090	}	3018	}
2091	})->prio (1);	3019	})->prio (1);
2092	}	3020	}
2093		3021
…		…
2107		3035
2108	utf8::encode $text;	3036	utf8::encode $text;
2109	$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);
2110	}	3038	}
2111		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
2112	=item $client->ext_event ($type, %msg)	3227	=item $client->ext_msg ($type, @msg)
2113		3228
2114	Sends an exti event to the client.	3229	Sends an ext event to the client.
2115		3230
2116	=cut	3231	=cut
2117		3232
2118	sub cf::client::ext_event($$%) {	3233	sub cf::client::ext_msg($$@) {
2119	my ($self, $type, %msg) = @_;	3234	my ($self, $type, @msg) = @_;
2120		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
2121	$msg{msgtype} = "event_$type";	3239	push @msg, msgtype => "event_$type";
2122	$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]));
2123	}	3256	}
2124		3257
2125	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2126		3259
2127	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
2128	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>,
2129	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>.
2130		3263
2131	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
2132	reliable at some point in the future.	3265	become reliable at some point in the future.
2133		3266
2134	=cut	3267	=cut
2135		3268
2136	sub cf::client::query {	3269	sub cf::client::query {
2137	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
2145	utf8::encode $text;	3278	utf8::encode $text;
2146	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2147		3280
2148	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2149	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2150	}	3285	}
2151		3286
2152	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	},
2153	on_reply => sub {	3293	on_reply => sub {
2154	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2155		3295
2156	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2157	# get handled first	3297	# get handled first
…		…
2169	} else {	3309	} else {
2170	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2171	}	3311	}
2172	}	3312	}
2173	},	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	},
2174	);	3337	);
2175		3338
2176	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2177		3340
2178	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2194		3357
2195	$coro	3358	$coro
2196	}	3359	}
2197		3360
2198	cf::client->attach (	3361	cf::client->attach (
2199	on_destroy => sub {	3362	on_client_destroy => sub {
2200	my ($ns) = @_;	3363	my ($ns) = @_;
2201		3364
2202	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2203	},	3366	},
2204	);	3367	);
…		…
2219	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2220	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2221		3384
2222	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2223		3386
2224	$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	));
2225		3392
2226	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2227		3394
2228	=pod	3395	=pod
2229		3396
2230	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2231		3398
2232	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
2233	cf::object::player player	3404	cf::object::player
2234	cf::player peaceful	3405	player
2235	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2236		3412
2237	=cut	3413	=cut
2238		3414
2239	for (	3415	for (
2240	["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)],
2241	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2242	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2243	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2244	) {	3422	) {
2245	no strict 'refs';
2246	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2247	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2248	for @funs;	3425	for @funs;
2249	}	3426	}
2250		3427
…		…
2265		3442
2266	my $qcode = $code;	3443	my $qcode = $code;
2267	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2268	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2269		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2270	local $_;	3450	local $_;
2271	local @safe::cf::_safe_eval_args = values %vars;
2272		3451
2273	my $eval =	3452	my $eval =
2274	"do {\n"	3453	"do {\n"
2275	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2276	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2277	. $code	3456	. $code
2278	. "\n}"	3457	. "\n}"
2279	;	3458	;
2280		3459
		3460	if ($CFG{safe_eval}) {
2281	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2282	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2283	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	}
2284		3469
2285	if ($@) {	3470	if ($@) {
2286	warn "$@";	3471	warn "$@",
2287	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2288	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2289	}	3474	}
2290		3475
2291	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2292	}	3477	}
2293		3478
…		…
2307	=cut	3492	=cut
2308		3493
2309	sub register_script_function {	3494	sub register_script_function {
2310	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2311		3496
2312	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2313	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2314	}	3499	}
2315		3500
2316	=back	3501	=back
2317		3502
2318	=cut	3503	=cut
2319
2320	#############################################################################
2321
2322	=head2 EXTENSION DATABASE SUPPORT
2323
2324	Crossfire maintains a very simple database for extension use. It can
2325	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2326	convert to/from binary).
2327
2328	The parameter C<$family> should best start with the name of the extension
2329	using it, it should be unique.
2330
2331	=over 4
2332
2333	=item $value = cf::db_get $family => $key
2334
2335	Returns a single value from the database.
2336
2337	=item cf::db_put $family => $key => $value
2338
2339	Stores the given C<$value> in the family.
2340
2341	=cut
2342
2343	our $DB;
2344
2345	sub db_init {
2346	unless ($DB) {
2347	$DB = BDB::db_create $DB_ENV;
2348
2349	cf::sync_job {
2350	eval {
2351	$DB->set_flags (BDB::CHKSUM);
2352
2353	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2354	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2355	cf::cleanup "db_open(db): $!" if $!;
2356	};
2357	cf::cleanup "db_open(db): $@" if $@;
2358	};
2359	}
2360	}
2361
2362	sub db_get($$) {
2363	my $key = "$_[0]/$_[1]";
2364
2365	cf::sync_job {
2366	BDB::db_get $DB, undef, $key, my $data;
2367
2368	$! ? ()
2369	: $data
2370	}
2371	}
2372
2373	sub db_put($$$) {
2374	BDB::dbreq_pri 4;
2375	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2376	}
2377
2378	=item cf::cache $id => [$paths...], $processversion => $process
2379
2380	Generic caching function that returns the value of the resource $id,
2381	caching and regenerating as required.
2382
2383	This function can block.
2384
2385	=cut
2386
2387	sub cache {
2388	my ($id, $src, $processversion, $process) = @_;
2389
2390	my $meta =
2391	join "\x00",
2392	$processversion,
2393	map {
2394	aio_stat $_
2395	and Carp::croak "$_: $!";
2396
2397	($_, (stat _)[7,9])
2398	} @$src;
2399
2400	my $dbmeta = db_get cache => "$id/meta";
2401	if ($dbmeta ne $meta) {
2402	# changed, we may need to process
2403
2404	my @data;
2405	my $md5;
2406
2407	for (0 .. $#$src) {
2408	0 <= aio_load $src->[$_], $data[$_]
2409	or Carp::croak "$src->[$_]: $!";
2410	}
2411
2412	# if processing is expensive, check
2413	# checksum first
2414	if (1) {
2415	$md5 =
2416	join "\x00",
2417	$processversion,
2418	map {
2419	Coro::cede;
2420	($src->[$_], Digest::MD5::md5_hex $data[$_])
2421	} 0.. $#$src;
2422
2423
2424	my $dbmd5 = db_get cache => "$id/md5";
2425	if ($dbmd5 eq $md5) {
2426	db_put cache => "$id/meta", $meta;
2427
2428	return db_get cache => "$id/data";
2429	}
2430	}
2431
2432	my $t1 = Time::HiRes::time;
2433	my $data = $process->(\@data);
2434	my $t2 = Time::HiRes::time;
2435
2436	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2437
2438	db_put cache => "$id/data", $data;
2439	db_put cache => "$id/md5" , $md5;
2440	db_put cache => "$id/meta", $meta;
2441
2442	return $data;
2443	}
2444
2445	db_get cache => "$id/data"
2446	}
2447
2448	=item fork_call { }, $args
2449
2450	Executes the given code block with the given arguments in a seperate
2451	process, returning the results. Everything must be serialisable with
2452	Coro::Storable. May, of course, block. Note that the executed sub may
2453	never block itself or use any form of Event handling.
2454
2455	=cut
2456
2457	sub fork_call(&@) {
2458	my ($cb, @args) = @_;
2459
2460	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2461	# or die "socketpair: $!";
2462	pipe my $fh1, my $fh2
2463	or die "pipe: $!";
2464
2465	if (my $pid = fork) {
2466	close $fh2;
2467
2468	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2469	$res = Coro::Storable::thaw $res;
2470
2471	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2472
2473	die $$res unless "ARRAY" eq ref $res;
2474
2475	return wantarray ? @$res : $res->[-1];
2476	} else {
2477	reset_signals;
2478	local $SIG{__WARN__};
2479	local $SIG{__DIE__};
2480	eval {
2481	close $fh1;
2482
2483	my @res = eval { $cb->(@args) };
2484	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2485	};
2486
2487	warn $@ if $@;
2488	_exit 0;
2489	}
2490	}
2491
2492
2493		3504
2494	#############################################################################	3505	#############################################################################
2495	# the server's init and main functions	3506	# the server's init and main functions
2496		3507
2497	sub load_facedata($) {	3508	sub load_facedata($) {
2498	my ($path) = @_;	3509	my ($path) = @_;
2499		3510
		3511	# HACK to clear player env face cache, we need some signal framework
		3512	# for this (global event?)
		3513	%ext::player_env::MUSIC_FACE_CACHE = ();
		3514
		3515	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3516
2500	warn "loading facedata from $path\n";	3517	trace "loading facedata from $path\n";
2501		3518
2502	my $facedata;	3519	my $facedata = decode_storable load_file $path;
2503	0 < aio_load $path, $facedata
2504	or die "$path: $!";
2505
2506	$facedata = Coro::Storable::thaw $facedata;
2507		3520
2508	$facedata->{version} == 2	3521	$facedata->{version} == 2
2509	or cf::cleanup "$path: version mismatch, cannot proceed.";	3522	or cf::cleanup "$path: version mismatch, cannot proceed.";
2510		3523
		3524	# patch in the exptable
		3525	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3526	$facedata->{resource}{"res/exp_table"} = {
		3527	type => FT_RSRC,
		3528	data => $exp_table,
		3529	hash => (Digest::MD5::md5 $exp_table),
		3530	};
		3531	cf::cede_to_tick;
		3532
2511	{	3533	{
2512	my $faces = $facedata->{faceinfo};	3534	my $faces = $facedata->{faceinfo};
2513		3535
2514	while (my ($face, $info) = each %$faces) {	3536	while (my ($face, $info) = each %$faces) {
2515	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3537	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3538
2516	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3539	cf::face::set_visibility $idx, $info->{visibility};
		3540	cf::face::set_magicmap $idx, $info->{magicmap};
2517	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3541	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2518	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3542	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2519	Coro::cede;	3543	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3544
		3545	cf::cede_to_tick;
2520	}	3546	}
2521		3547
2522	while (my ($face, $info) = each %$faces) {	3548	while (my ($face, $info) = each %$faces) {
2523	next unless $info->{smooth};	3549	next unless $info->{smooth};
		3550
2524	my $idx = cf::face::find $face	3551	my $idx = cf::face::find $face
2525	or next;	3552	or next;
		3553
2526	if (my $smooth = cf::face::find $info->{smooth}) {	3554	if (my $smooth = cf::face::find $info->{smooth}) {
		3555	cf::face::set_smooth $idx, $smooth;
2527	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3556	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2528	} else {	3557	} else {
2529	warn "smooth face '$info->{smooth}' not found for face '$face'";	3558	error "smooth face '$info->{smooth}' not found for face '$face'";
2530	}	3559	}
2531	Coro::cede;	3560
		3561	cf::cede_to_tick;
2532	}	3562	}
2533	}	3563	}
2534		3564
2535	{	3565	{
2536	my $anims = $facedata->{animinfo};	3566	my $anims = $facedata->{animinfo};
2537		3567
2538	while (my ($anim, $info) = each %$anims) {	3568	while (my ($anim, $info) = each %$anims) {
2539	cf::anim::set $anim, $info->{frames}, $info->{facings};	3569	cf::anim::set $anim, $info->{frames}, $info->{facings};
2540	Coro::cede;	3570	cf::cede_to_tick;
2541	}	3571	}
2542		3572
2543	cf::anim::invalidate_all; # d'oh	3573	cf::anim::invalidate_all; # d'oh
2544	}	3574	}
2545		3575
		3576	{
		3577	my $res = $facedata->{resource};
		3578
		3579	while (my ($name, $info) = each %$res) {
		3580	if (defined (my $type = $info->{type})) {
		3581	# TODO: different hash - must free and use new index, or cache ixface data queue
		3582	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3583
		3584	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3585	cf::face::set_type $idx, $type;
		3586	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3587	} else {
		3588	# $RESOURCE{$name} = $info; # unused
		3589	}
		3590
		3591	cf::cede_to_tick;
		3592	}
		3593	}
		3594
		3595	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3596
2546	1	3597	1
2547	}	3598	}
2548		3599
		3600	register_exticmd fx_want => sub {
		3601	my ($ns, $want) = @_;
		3602
		3603	while (my ($k, $v) = each %$want) {
		3604	$ns->fx_want ($k, $v);
		3605	}
		3606	};
		3607
		3608	sub load_resource_file($) {
		3609	my $guard = lock_acquire "load_resource_file";
		3610
		3611	my $status = load_resource_file_ $_[0];
		3612	get_slot 0.1, 100;
		3613	cf::arch::commit_load;
		3614
		3615	$status
		3616	}
		3617
2549	sub reload_regions {	3618	sub reload_regions {
		3619	# HACK to clear player env face cache, we need some signal framework
		3620	# for this (global event?)
		3621	%ext::player_env::MUSIC_FACE_CACHE = ();
		3622
2550	load_resource_file "$MAPDIR/regions"	3623	load_resource_file "$MAPDIR/regions"
2551	or die "unable to load regions file\n";	3624	or die "unable to load regions file\n";
		3625
		3626	for (cf::region::list) {
		3627	$_->{match} = qr/$_->{match}/
		3628	if exists $_->{match};
		3629	}
2552	}	3630	}
2553		3631
2554	sub reload_facedata {	3632	sub reload_facedata {
2555	load_facedata "$DATADIR/facedata"	3633	load_facedata "$DATADIR/facedata"
2556	or die "unable to load facedata\n";	3634	or die "unable to load facedata\n";
…		…
2564	sub reload_treasures {	3642	sub reload_treasures {
2565	load_resource_file "$DATADIR/treasures"	3643	load_resource_file "$DATADIR/treasures"
2566	or die "unable to load treasurelists\n";	3644	or die "unable to load treasurelists\n";
2567	}	3645	}
2568		3646
		3647	sub reload_sound {
		3648	trace "loading sound config from $DATADIR/sound\n";
		3649
		3650	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3651
		3652	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3653	my $sound = $soundconf->{compat}[$_]
		3654	or next;
		3655
		3656	my $face = cf::face::find "sound/$sound->[1]";
		3657	cf::sound::set $sound->[0] => $face;
		3658	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3659	}
		3660
		3661	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3662	my $face = cf::face::find "sound/$v";
		3663	cf::sound::set $k => $face;
		3664	}
		3665	}
		3666
2569	sub reload_resources {	3667	sub reload_resources {
2570	warn "reloading resource files...\n";	3668	trace "reloading resource files...\n";
2571		3669
		3670	reload_exp_table;
		3671	reload_materials;
		3672	reload_facedata;
		3673	reload_sound;
		3674	reload_archetypes;
2572	reload_regions;	3675	reload_regions;
2573	reload_facedata;
2574	reload_archetypes;
2575	reload_treasures;	3676	reload_treasures;
2576		3677
2577	warn "finished reloading resource files\n";	3678	trace "finished reloading resource files\n";
2578	}	3679	}
2579		3680
2580	sub init {	3681	sub reload_config {
2581	reload_resources;	3682	trace "reloading config file...\n";
2582	}
2583		3683
2584	sub cfg_load {	3684	my $config = load_file "$CONFDIR/config";
2585	open my $fh, "<:utf8", "$CONFDIR/config"	3685	utf8::decode $config;
2586	or return;	3686	*CFG = decode_yaml $config;
2587		3687
2588	local $/;
2589	*CFG = YAML::Syck::Load <$fh>;
2590
2591	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3688	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2592		3689
2593	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3690	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2594	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3691	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2595		3692
2596	if (exists $CFG{mlockall}) {	3693	if (exists $CFG{mlockall}) {
…		…
2600	};	3697	};
2601	warn $@ if $@;	3698	warn $@ if $@;
2602	}	3699	}
2603	}	3700	}
2604		3701
		3702	sub pidfile() {
		3703	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3704	or die "$PIDFILE: $!";
		3705	flock $fh, &Fcntl::LOCK_EX
		3706	or die "$PIDFILE: flock: $!";
		3707	$fh
		3708	}
		3709
		3710	# make sure only one server instance is running at any one time
		3711	sub atomic {
		3712	my $fh = pidfile;
		3713
		3714	my $pid = <$fh>;
		3715	kill 9, $pid if $pid > 0;
		3716
		3717	seek $fh, 0, 0;
		3718	print $fh $$;
		3719	}
		3720
		3721	sub main_loop {
		3722	trace "EV::loop starting\n";
		3723	if (1) {
		3724	EV::loop;
		3725	}
		3726	trace "EV::loop returned\n";
		3727	goto &main_loop unless $REALLY_UNLOOP;
		3728	}
		3729
2605	sub main {	3730	sub main {
		3731	cf::init_globals; # initialise logging
		3732
		3733	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3734	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3735	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3736	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3737
		3738	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3739
2606	# we must not ever block the main coroutine	3740	# we must not ever block the main coroutine
2607	local $Coro::idle = sub {	3741	local $Coro::idle = sub {
2608	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3742	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2609	(async {	3743	(async {
2610	Event::one_event;	3744	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3745	EV::loop EV::LOOP_ONESHOT;
2611	})->prio (Coro::PRIO_MAX);	3746	})->prio (Coro::PRIO_MAX);
2612	};	3747	};
2613		3748
2614	cfg_load;	3749	evthread_start IO::AIO::poll_fileno;
		3750
		3751	cf::sync_job {
		3752	cf::incloader::init ();
		3753
		3754	cf::init_anim;
		3755	cf::init_attackmess;
		3756	cf::init_dynamic;
		3757
		3758	cf::load_settings;
		3759
		3760	reload_resources;
		3761	reload_config;
2615	db_init;	3762	db_init;
		3763
		3764	cf::init_uuid;
		3765	cf::init_signals;
		3766	cf::init_skills;
		3767
		3768	cf::init_beforeplay;
		3769
		3770	atomic;
		3771
2616	load_extensions;	3772	load_extensions;
2617		3773
2618	$TICK_WATCHER->start;	3774	utime time, time, $RUNTIMEFILE;
2619	Event::loop;	3775
		3776	# no (long-running) fork's whatsoever before this point(!)
		3777	use POSIX ();
		3778	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3779
		3780	cf::_post_init 0;
		3781	};
		3782
		3783	cf::object::thawer::errors_are_fatal 0;
		3784	info "parse errors in files are no longer fatal from this point on.\n";
		3785
		3786	AE::postpone {
		3787	undef &main; # free gobs of memory :)
		3788	};
		3789
		3790	goto &main_loop;
2620	}	3791	}
2621		3792
2622	#############################################################################	3793	#############################################################################
2623	# initialisation and cleanup	3794	# initialisation and cleanup
2624		3795
2625	# install some emergency cleanup handlers	3796	# install some emergency cleanup handlers
2626	BEGIN {	3797	BEGIN {
		3798	our %SIGWATCHER = ();
2627	for my $signal (qw(INT HUP TERM)) {	3799	for my $signal (qw(INT HUP TERM)) {
2628	Event->signal (	3800	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2629	reentrant => 0,
2630	data => WF_AUTOCANCEL,
2631	signal => $signal,
2632	prio => 0,
2633	cb => sub {
2634	cf::cleanup "SIG$signal";	3801	cf::cleanup "SIG$signal";
2635	},
2636	);	3802	};
		3803	}
		3804	}
		3805
		3806	sub write_runtime_sync {
		3807	my $t0 = AE::time;
		3808
		3809	# first touch the runtime file to show we are still running:
		3810	# the fsync below can take a very very long time.
		3811
		3812	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3813
		3814	my $guard = cf::lock_acquire "write_runtime";
		3815
		3816	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3817	or return;
		3818
		3819	my $value = $cf::RUNTIME + 90 + 10;
		3820	# 10 is the runtime save interval, for a monotonic clock
		3821	# 60 allows for the watchdog to kill the server.
		3822
		3823	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3824	and return;
		3825
		3826	# always fsync - this file is important
		3827	aio_fsync $fh
		3828	and return;
		3829
		3830	# touch it again to show we are up-to-date
		3831	aio_utime $fh, undef, undef;
		3832
		3833	close $fh
		3834	or return;
		3835
		3836	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3837	and return;
		3838
		3839	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3840
2637	}	3841	1
		3842	}
		3843
		3844	our $uuid_lock;
		3845	our $uuid_skip;
		3846
		3847	sub write_uuid_sync($) {
		3848	$uuid_skip ||= $_[0];
		3849
		3850	return if $uuid_lock;
		3851	local $uuid_lock = 1;
		3852
		3853	my $uuid = "$LOCALDIR/uuid";
		3854
		3855	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3856	or return;
		3857
		3858	my $value = uuid_seq uuid_cur;
		3859
		3860	unless ($value) {
		3861	info "cowardly refusing to write zero uuid value!\n";
		3862	return;
		3863	}
		3864
		3865	my $value = uuid_str $value + $uuid_skip;
		3866	$uuid_skip = 0;
		3867
		3868	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3869	and return;
		3870
		3871	# always fsync - this file is important
		3872	aio_fsync $fh
		3873	and return;
		3874
		3875	close $fh
		3876	or return;
		3877
		3878	aio_rename "$uuid~", $uuid
		3879	and return;
		3880
		3881	trace "uuid file written ($value).\n";
		3882
		3883	1
		3884
		3885	}
		3886
		3887	sub write_uuid($$) {
		3888	my ($skip, $sync) = @_;
		3889
		3890	$sync ? write_uuid_sync $skip
		3891	: async { write_uuid_sync $skip };
2638	}	3892	}
2639		3893
2640	sub emergency_save() {	3894	sub emergency_save() {
2641	my $freeze_guard = cf::freeze_mainloop;	3895	my $freeze_guard = cf::freeze_mainloop;
2642		3896
2643	warn "enter emergency perl save\n";	3897	info "emergency_perl_save: enter\n";
		3898
		3899	# this is a trade-off: we want to be very quick here, so
		3900	# save all maps without fsync, and later call a global sync
		3901	# (which in turn might be very very slow)
		3902	local $USE_FSYNC = 0;
2644		3903
2645	cf::sync_job {	3904	cf::sync_job {
		3905	cf::write_runtime_sync; # external watchdog should not bark
		3906
2646	# use a peculiar iteration method to avoid tripping on perl	3907	# use a peculiar iteration method to avoid tripping on perl
2647	# refcount bugs in for. also avoids problems with players	3908	# refcount bugs in for. also avoids problems with players
2648	# and maps saved/destroyed asynchronously.	3909	# and maps saved/destroyed asynchronously.
2649	warn "begin emergency player save\n";	3910	info "emergency_perl_save: begin player save\n";
2650	for my $login (keys %cf::PLAYER) {	3911	for my $login (keys %cf::PLAYER) {
2651	my $pl = $cf::PLAYER{$login} or next;	3912	my $pl = $cf::PLAYER{$login} or next;
2652	$pl->valid or next;	3913	$pl->valid or next;
		3914	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2653	$pl->save;	3915	$pl->save;
2654	}	3916	}
2655	warn "end emergency player save\n";	3917	info "emergency_perl_save: end player save\n";
2656		3918
2657	warn "begin emergency map save\n";	3919	cf::write_runtime_sync; # external watchdog should not bark
		3920
		3921	info "emergency_perl_save: begin map save\n";
2658	for my $path (keys %cf::MAP) {	3922	for my $path (keys %cf::MAP) {
2659	my $map = $cf::MAP{$path} or next;	3923	my $map = $cf::MAP{$path} or next;
2660	$map->valid or next;	3924	$map->valid or next;
2661	$map->save;	3925	$map->save;
2662	}	3926	}
2663	warn "end emergency map save\n";	3927	info "emergency_perl_save: end map save\n";
2664		3928
2665	warn "begin emergency database checkpoint\n";	3929	cf::write_runtime_sync; # external watchdog should not bark
		3930
		3931	info "emergency_perl_save: begin database checkpoint\n";
2666	BDB::db_env_txn_checkpoint $DB_ENV;	3932	BDB::db_env_txn_checkpoint $DB_ENV;
2667	warn "end emergency database checkpoint\n";	3933	info "emergency_perl_save: end database checkpoint\n";
		3934
		3935	info "emergency_perl_save: begin write uuid\n";
		3936	write_uuid_sync 1;
		3937	info "emergency_perl_save: end write uuid\n";
		3938
		3939	cf::write_runtime_sync; # external watchdog should not bark
		3940
		3941	trace "emergency_perl_save: syncing database to disk";
		3942	BDB::db_env_txn_checkpoint $DB_ENV;
		3943
		3944	info "emergency_perl_save: starting sync\n";
		3945	IO::AIO::aio_sync sub {
		3946	info "emergency_perl_save: finished sync\n";
		3947	};
		3948
		3949	cf::write_runtime_sync; # external watchdog should not bark
		3950
		3951	trace "emergency_perl_save: flushing outstanding aio requests";
		3952	while (IO::AIO::nreqs || BDB::nreqs) {
		3953	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3954	}
		3955
		3956	cf::write_runtime_sync; # external watchdog should not bark
2668	};	3957	};
2669		3958
2670	warn "leave emergency perl save\n";	3959	info "emergency_perl_save: leave\n";
2671	}	3960	}
2672		3961
2673	sub post_cleanup {	3962	sub post_cleanup {
2674	my ($make_core) = @_;	3963	my ($make_core) = @_;
2675		3964
		3965	IO::AIO::flush;
		3966
2676	warn Carp::longmess "post_cleanup backtrace"	3967	error Carp::longmess "post_cleanup backtrace"
2677	if $make_core;	3968	if $make_core;
		3969
		3970	my $fh = pidfile;
		3971	unlink $PIDFILE if <$fh> == $$;
		3972	}
		3973
		3974	# a safer delete_package, copied from Symbol
		3975	sub clear_package($) {
		3976	my $pkg = shift;
		3977
		3978	# expand to full symbol table name if needed
		3979	unless ($pkg =~ /^main::.*::$/) {
		3980	$pkg = "main$pkg" if $pkg =~ /^::/;
		3981	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3982	$pkg .= '::' unless $pkg =~ /::$/;
		3983	}
		3984
		3985	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3986	my $stem_symtab = *{$stem}{HASH};
		3987
		3988	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3989	or return;
		3990
		3991	# clear all symbols
		3992	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3993	for my $name (keys %$leaf_symtab) {
		3994	_gv_clear *{"$pkg$name"};
		3995	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3996	}
2678	}	3997	}
2679		3998
2680	sub do_reload_perl() {	3999	sub do_reload_perl() {
2681	# can/must only be called in main	4000	# can/must only be called in main
2682	if ($Coro::current != $Coro::main) {	4001	unless (in_main) {
2683	warn "can only reload from main coroutine";	4002	error "can only reload from main coroutine";
2684	return;	4003	return;
2685	}	4004	}
2686		4005
2687	warn "reloading...";	4006	return if $RELOAD++;
2688		4007
2689	warn "entering sync_job";	4008	my $t1 = AE::time;
2690		4009
		4010	while ($RELOAD) {
		4011	cf::get_slot 0.1, -1, "reload_perl";
		4012	info "perl_reload: reloading...";
		4013
		4014	trace "perl_reload: entering sync_job";
		4015
2691	cf::sync_job {	4016	cf::sync_job {
2692	cf::write_runtime; # external watchdog should not bark
2693	cf::emergency_save;	4017	#cf::emergency_save;
2694	cf::write_runtime; # external watchdog should not bark
2695		4018
2696	warn "syncing database to disk";
2697	BDB::db_env_txn_checkpoint $DB_ENV;
2698
2699	# if anything goes wrong in here, we should simply crash as we already saved
2700
2701	warn "cancelling all WF_AUTOCANCEL watchers";
2702	for (Event::all_watchers) {
2703	$_->cancel if $_->data & WF_AUTOCANCEL;
2704	}
2705
2706	warn "flushing outstanding aio requests";
2707	for (;;) {
2708	BDB::flush;
2709	IO::AIO::flush;
2710	Coro::cede;
2711	last unless IO::AIO::nreqs || BDB::nreqs;
2712	warn "iterate...";
2713	}
2714
2715	++$RELOAD;
2716
2717	warn "cancelling all extension coros";	4019	trace "perl_reload: cancelling all extension coros";
2718	$_->cancel for values %EXT_CORO;	4020	$_->cancel for values %EXT_CORO;
2719	%EXT_CORO = ();	4021	%EXT_CORO = ();
2720		4022
2721	warn "removing commands";	4023	trace "perl_reload: removing commands";
2722	%COMMAND = ();	4024	%COMMAND = ();
2723		4025
2724	warn "removing ext commands";	4026	trace "perl_reload: removing ext/exti commands";
2725	%EXTCMD = ();	4027	%EXTCMD = ();
		4028	%EXTICMD = ();
2726		4029
2727	warn "unloading/nuking all extensions";	4030	trace "perl_reload: unloading/nuking all extensions";
2728	for my $pkg (@EXTS) {	4031	for my $pkg (@EXTS) {
2729	warn "... unloading $pkg";	4032	trace "... unloading $pkg";
2730		4033
2731	if (my $cb = $pkg->can ("unload")) {	4034	if (my $cb = $pkg->can ("unload")) {
2732	eval {	4035	eval {
2733	$cb->($pkg);	4036	$cb->($pkg);
2734	1	4037	1
2735	} or warn "$pkg unloaded, but with errors: $@";	4038	} or error "$pkg unloaded, but with errors: $@";
		4039	}
		4040
		4041	trace "... clearing $pkg";
		4042	clear_package $pkg;
2736	}	4043	}
2737		4044
2738	warn "... nuking $pkg";
2739	Symbol::delete_package $pkg;
2740	}
2741
2742	warn "unloading all perl modules loaded from $LIBDIR";	4045	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2743	while (my ($k, $v) = each %INC) {	4046	while (my ($k, $v) = each %INC) {
2744	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4047	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2745		4048
2746	warn "... unloading $k";	4049	trace "... unloading $k";
2747	delete $INC{$k};	4050	delete $INC{$k};
2748		4051
2749	$k =~ s/\.pm$//;	4052	$k =~ s/\.pm$//;
2750	$k =~ s/\//::/g;	4053	$k =~ s/\//::/g;
2751		4054
2752	if (my $cb = $k->can ("unload_module")) {	4055	if (my $cb = $k->can ("unload_module")) {
2753	$cb->();	4056	$cb->();
		4057	}
		4058
		4059	clear_package $k;
2754	}	4060	}
2755		4061
2756	Symbol::delete_package $k;
2757	}
2758
2759	warn "getting rid of safe::, as good as possible";	4062	trace "perl_reload: getting rid of safe::, as good as possible";
2760	Symbol::delete_package "safe::$_"	4063	clear_package "safe::$_"
2761	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4064	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2762		4065
2763	warn "unloading cf.pm \"a bit\"";	4066	trace "perl_reload: unloading cf.pm \"a bit\"";
2764	delete $INC{"cf.pm"};	4067	delete $INC{"cf.pm"};
2765	delete $INC{"cf/pod.pm"};	4068	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2766		4069
2767	# don't, removes xs symbols, too,	4070	# don't, removes xs symbols, too,
2768	# and global variables created in xs	4071	# and global variables created in xs
2769	#Symbol::delete_package __PACKAGE__;	4072	#clear_package __PACKAGE__;
2770		4073
2771	warn "unload completed, starting to reload now";	4074	info "perl_reload: unload completed, starting to reload now";
2772		4075
2773	warn "reloading cf.pm";	4076	trace "perl_reload: reloading cf.pm";
2774	require cf;	4077	require cf;
2775	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4078	cf::_connect_to_perl_1;
2776		4079
2777	warn "loading config and database again";	4080	trace "perl_reload: loading config and database again";
2778	cf::cfg_load;	4081	cf::reload_config;
2779		4082
2780	warn "loading extensions";	4083	trace "perl_reload: loading extensions";
2781	cf::load_extensions;	4084	cf::load_extensions;
2782		4085
		4086	if ($REATTACH_ON_RELOAD) {
2783	warn "reattaching attachments to objects/players";	4087	trace "perl_reload: reattaching attachments to objects/players";
2784	_global_reattach; # objects, sockets	4088	_global_reattach; # objects, sockets
2785	warn "reattaching attachments to maps";	4089	trace "perl_reload: reattaching attachments to maps";
2786	reattach $_ for values %MAP;	4090	reattach $_ for values %MAP;
2787	warn "reattaching attachments to players";	4091	trace "perl_reload: reattaching attachments to players";
2788	reattach $_ for values %PLAYER;	4092	reattach $_ for values %PLAYER;
		4093	}
2789		4094
2790	warn "leaving sync_job";	4095	cf::_post_init 1;
2791		4096
		4097	trace "perl_reload: leaving sync_job";
		4098
2792	1	4099	1
2793	} or do {	4100	} or do {
2794	warn $@;	4101	error $@;
2795	warn "error while reloading, exiting.";	4102	cf::cleanup "perl_reload: error, exiting.";
2796	exit 1;	4103	};
		4104
		4105	--$RELOAD;
2797	};	4106	}
2798		4107
2799	warn "reloaded";	4108	$t1 = AE::time - $t1;
		4109	info "perl_reload: completed in ${t1}s\n";
2800	};	4110	};
2801		4111
2802	our $RELOAD_WATCHER; # used only during reload	4112	our $RELOAD_WATCHER; # used only during reload
2803		4113
2804	sub reload_perl() {	4114	sub reload_perl() {
2805	# doing reload synchronously and two reloads happen back-to-back,	4115	# doing reload synchronously and two reloads happen back-to-back,
2806	# coro crashes during coro_state_free->destroy here.	4116	# coro crashes during coro_state_free->destroy here.
2807		4117
2808	$RELOAD_WATCHER ||= Event->timer (	4118	$RELOAD_WATCHER ||= cf::async {
2809	reentrant => 0,	4119	Coro::AIO::aio_wait cache_extensions;
2810	after => 0,	4120
2811	data => WF_AUTOCANCEL,	4121	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2812	cb => sub {
2813	do_reload_perl;	4122	do_reload_perl;
2814	undef $RELOAD_WATCHER;	4123	undef $RELOAD_WATCHER;
2815	},	4124	};
2816	);	4125	};
2817	}	4126	}
2818		4127
2819	register_command "reload" => sub {	4128	register_command "reload" => sub {
2820	my ($who, $arg) = @_;	4129	my ($who, $arg) = @_;
2821		4130
2822	if ($who->flag (FLAG_WIZ)) {	4131	if ($who->flag (FLAG_WIZ)) {
2823	$who->message ("reloading server.");	4132	$who->message ("reloading server.");
		4133	async {
		4134	$Coro::current->{desc} = "perl_reload";
2824	async { reload_perl };	4135	reload_perl;
		4136	};
2825	}	4137	}
2826	};	4138	};
2827		4139
2828	unshift @INC, $LIBDIR;	4140	#############################################################################
2829		4141
2830	my $bug_warning = 0;	4142	my $bug_warning = 0;
2831		4143
2832	our @WAIT_FOR_TICK;
2833	our @WAIT_FOR_TICK_BEGIN;
2834
2835	sub wait_for_tick {	4144	sub wait_for_tick() {
2836	return unless $TICK_WATCHER->is_active;	4145	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2837	return if $Coro::current == $Coro::main;
2838		4146
2839	my $signal = new Coro::Signal;	4147	$WAIT_FOR_TICK->wait;
2840	push @WAIT_FOR_TICK, $signal;
2841	$signal->wait;
2842	}	4148	}
2843		4149
2844	sub wait_for_tick_begin {	4150	sub wait_for_tick_begin() {
2845	return unless $TICK_WATCHER->is_active;	4151	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2846	return if $Coro::current == $Coro::main;
2847		4152
2848	my $signal = new Coro::Signal;	4153	my $signal = new Coro::Signal;
2849	push @WAIT_FOR_TICK_BEGIN, $signal;	4154	push @WAIT_FOR_TICK_BEGIN, $signal;
2850	$signal->wait;	4155	$signal->wait;
2851	}	4156	}
2852		4157
2853	$TICK_WATCHER = Event->timer (	4158	sub tick {
2854	reentrant => 0,
2855	parked => 1,
2856	prio => 0,
2857	at => $NEXT_TICK || $TICK,
2858	data => WF_AUTOCANCEL,
2859	cb => sub {
2860	if ($Coro::current != $Coro::main) {	4159	if ($Coro::current != $Coro::main) {
2861	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4160	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2862	unless ++$bug_warning > 10;	4161	unless ++$bug_warning > 10;
2863	return;	4162	return;
2864	}	4163	}
2865		4164
2866	$NOW = $tick_start = Event::time;	4165	cf::one_tick; # one server iteration
2867		4166
2868	cf::server_tick; # one server iteration	4167	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2869		4168
2870	$RUNTIME += $TICK;
2871	$NEXT_TICK += $TICK;
2872
2873	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4169	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2874	$NEXT_RUNTIME_WRITE = $NOW + 10;	4170	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2875	Coro::async_pool {	4171	Coro::async_pool {
		4172	$Coro::current->{desc} = "runtime saver";
2876	write_runtime	4173	write_runtime_sync
2877	or warn "ERROR: unable to write runtime file: $!";	4174	or error "ERROR: unable to write runtime file: $!";
2878	};
2879	}	4175	};
		4176	}
2880		4177
2881	# my $AFTER = Event::time;
2882	# warn $AFTER - $NOW;#d#
2883
2884	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4178	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2885	$sig->send;	4179	$sig->send;
2886	}	4180	}
2887	while (my $sig = shift @WAIT_FOR_TICK) {	4181	$WAIT_FOR_TICK->broadcast;
2888	$sig->send;
2889	}
2890		4182
2891	$NOW = Event::time;	4183	$LOAD = ($NOW - $TICK_START) / $TICK;
2892
2893	# if we are delayed by four ticks or more, skip them all
2894	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2895
2896	$TICK_WATCHER->at ($NEXT_TICK);
2897	$TICK_WATCHER->start;
2898
2899	$LOAD = ($NOW - $tick_start) / $TICK;
2900	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4184	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2901		4185
2902	_post_tick;	4186	if (0) {
2903		4187	if ($NEXT_TICK) {
2904		4188	my $jitter = $TICK_START - $NEXT_TICK;
		4189	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4190	debug "jitter $JITTER\n";#d#
		4191	}
2905	},	4192	}
2906	);	4193	}
2907		4194
2908	{	4195	{
2909	BDB::max_poll_time $TICK * 0.1;	4196	# configure BDB
2910	$BDB_POLL_WATCHER = Event->io (	4197
2911	reentrant => 0,
2912	fd => BDB::poll_fileno,
2913	poll => 'r',
2914	prio => 0,
2915	data => WF_AUTOCANCEL,
2916	cb => \&BDB::poll_cb,
2917	);
2918	BDB::min_parallel 8;	4198	BDB::min_parallel 16;
2919		4199	BDB::max_poll_reqs $TICK * 0.1;
2920	BDB::set_sync_prepare {	4200	#$AnyEvent::BDB::WATCHER->priority (1);
2921	my $status;
2922	my $current = $Coro::current;
2923	(
2924	sub {
2925	$status = $!;
2926	$current->ready; undef $current;
2927	},
2928	sub {
2929	Coro::schedule while defined $current;
2930	$! = $status;
2931	},
2932	)
2933	};
2934		4201
2935	unless ($DB_ENV) {	4202	unless ($DB_ENV) {
2936	$DB_ENV = BDB::db_env_create;	4203	$DB_ENV = BDB::db_env_create;
		4204	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4205	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4206	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4207	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4208	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2937		4209
2938	cf::sync_job {	4210	cf::sync_job {
2939	eval {	4211	eval {
2940	BDB::db_env_open	4212	BDB::db_env_open
2941	$DB_ENV,	4213	$DB_ENV,
…		…
2943	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4215	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2944	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4216	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2945	0666;	4217	0666;
2946		4218
2947	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4219	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2948
2949	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2950	$DB_ENV->set_lk_detect;
2951	};	4220	};
2952		4221
2953	cf::cleanup "db_env_open(db): $@" if $@;	4222	cf::cleanup "db_env_open(db): $@" if $@;
2954	};	4223	};
2955	}	4224	}
		4225
		4226	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4227	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4228	};
		4229	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4230	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4231	};
		4232	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4233	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4234	};
2956	}	4235	}
2957		4236
2958	{	4237	{
		4238	# configure IO::AIO
		4239
2959	IO::AIO::min_parallel 8;	4240	IO::AIO::min_parallel 8;
2960
2961	undef $Coro::AIO::WATCHER;
2962	IO::AIO::max_poll_time $TICK * 0.1;	4241	IO::AIO::max_poll_time $TICK * 0.1;
2963	$AIO_POLL_WATCHER = Event->io (	4242	undef $AnyEvent::AIO::WATCHER;
2964	reentrant => 0,
2965	data => WF_AUTOCANCEL,
2966	fd => IO::AIO::poll_fileno,
2967	poll => 'r',
2968	prio => 6,
2969	cb => \&IO::AIO::poll_cb,
2970	);
2971	}	4243	}
2972		4244
2973	my $_log_backtrace;	4245	our $_log_backtrace;
		4246	our $_log_backtrace_last;
2974		4247
2975	sub _log_backtrace {	4248	sub _log_backtrace {
2976	my ($msg, @addr) = @_;	4249	my ($msg, @addr) = @_;
2977		4250
2978	$msg =~ s/\n//;	4251	$msg =~ s/\n$//;
2979		4252
		4253	if ($_log_backtrace_last eq $msg) {
		4254	LOG llevInfo, "[ABT] $msg\n";
		4255	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2980	# limit the # of concurrent backtraces	4256	# limit the # of concurrent backtraces
2981	if ($_log_backtrace < 2) {	4257	} elsif ($_log_backtrace < 2) {
		4258	$_log_backtrace_last = $msg;
2982	++$_log_backtrace;	4259	++$_log_backtrace;
		4260	my $perl_bt = Carp::longmess $msg;
2983	async {	4261	async {
		4262	$Coro::current->{desc} = "abt $msg";
		4263
2984	my @bt = fork_call {	4264	my @bt = fork_call {
2985	@addr = map { sprintf "%x", $_ } @addr;	4265	@addr = map { sprintf "%x", $_ } @addr;
2986	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4266	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2987	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4267	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2988	or die "addr2line: $!";	4268	or die "addr2line: $!";
…		…
2996	}	4276	}
2997		4277
2998	@funcs	4278	@funcs
2999	};	4279	};
3000		4280
3001	LOG llevInfo, "[ABT] $msg\n";	4281	LOG llevInfo, "[ABT] $perl_bt\n";
		4282	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3002	LOG llevInfo, "[ABT] $_\n" for @bt;	4283	LOG llevInfo, "[ABT] $_\n" for @bt;
3003	--$_log_backtrace;	4284	--$_log_backtrace;
3004	};	4285	};
3005	} else {	4286	} else {
3006	LOG llevInfo, "[ABT] $msg\n";	4287	LOG llevInfo, "[ABT] $msg\n";
3007	LOG llevInfo, "[ABT] [suppressed]\n";	4288	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3008	}	4289	}
3009	}	4290	}
3010		4291
3011	# load additional modules	4292	# load additional modules
3012	use cf::pod;	4293	require "cf/$_.pm" for @EXTRA_MODULES;
		4294	cf::_connect_to_perl_2;
3013		4295
3014	END { cf::emergency_save }	4296	END { cf::emergency_save }
3015		4297
3016	1	4298	1
3017		4299

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