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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.271 by root, Fri Jun 1 06:04:08 2007 UTC vs.
Revision 1.585 by root, Tue Oct 30 20:18:00 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	IO::AIO::aio_utime $runtime, undef, undef;	729	=cut
401		730
402	my $guard = cf::lock_acquire "write_runtime";	731	sub post_fork {
		732	reset_signals;
		733	}
403		734
404	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	735	sub fork_call(&@) {
405	or return;	736	my ($cb, @args) = @_;
406		737
407	my $value = $cf::RUNTIME + 90 + 10;	738	# we seemingly have to make a local copy of the whole thing,
408	# 10 is the runtime save interval, for a monotonic clock	739	# otherwise perl prematurely frees the stuff :/
409	# 60 allows for the watchdog to kill the server.	740	# TODO: investigate and fix (likely this will be rather laborious)
410		741
411	(aio_write $fh, 0, (length $value), $value, 0) <= 0	742	my @res = Coro::Util::fork_eval {
412	and return;	743	cf::post_fork;
		744	&$cb
		745	} @args;
413		746
414	# always fsync - this file is important	747	wantarray ? @res : $res[-1]
415	aio_fsync $fh	748	}
416	and return;
417		749
418	# touch it again to show we are up-to-date	750	sub objinfo {
419	aio_utime $fh, undef, undef;
420
421	close $fh
422	or return;
423
424	aio_rename "$runtime~", $runtime
425	and return;
426
427	warn "runtime file written.\n";#d#
428
429	1	751	(
		752	"counter value" => cf::object::object_count,
		753	"objects created" => cf::object::create_count,
		754	"objects destroyed" => cf::object::destroy_count,
		755	"freelist size" => cf::object::free_count,
		756	"allocated objects" => cf::object::objects_size,
		757	"active objects" => cf::object::actives_size,
		758	)
		759	}
		760
		761	=item $coin = coin_from_name $name
		762
		763	=cut
		764
		765	our %coin_alias = (
		766	"silver" => "silvercoin",
		767	"silvercoin" => "silvercoin",
		768	"silvercoins" => "silvercoin",
		769	"gold" => "goldcoin",
		770	"goldcoin" => "goldcoin",
		771	"goldcoins" => "goldcoin",
		772	"platinum" => "platinacoin",
		773	"platinumcoin" => "platinacoin",
		774	"platinumcoins" => "platinacoin",
		775	"platina" => "platinacoin",
		776	"platinacoin" => "platinacoin",
		777	"platinacoins" => "platinacoin",
		778	"royalty" => "royalty",
		779	"royalties" => "royalty",
		780	);
		781
		782	sub coin_from_name($) {
		783	$coin_alias{$_[0]}
		784	? cf::arch::find $coin_alias{$_[0]}
		785	: undef
		786	}
		787
		788	=item $value = cf::db_get $family => $key
		789
		790	Returns a single value from the environment database.
		791
		792	=item cf::db_put $family => $key => $value
		793
		794	Stores the given C<$value> in the family. It can currently store binary
		795	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		796
		797	=item $db = cf::db_table "name"
		798
		799	Create and/or open a new database table. The string must not be "db" and must be unique
		800	within each server.
		801
		802	=cut
		803
		804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
		808	my ($name) = @_;
		809	my $db = BDB::db_create $DB_ENV;
		810
		811	eval {
		812	$db->set_flags (BDB::CHKSUM);
		813
		814	utf8::encode $name;
		815	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		816	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		817	cf::cleanup "db_open(db): $!" if $!;
		818	};
		819	cf::cleanup "db_open(db): $@" if $@;
		820
		821	$db
		822	}
		823
		824	our $DB;
		825
		826	sub db_init {
		827	$DB ||= db_table "db";
		828	}
		829
		830	sub db_get($$) {
		831	my $key = "$_[0]/$_[1]";
		832
		833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
		836	BDB::db_get $DB, undef, $key, my $data;
		837
		838	$! ? ()
		839	: $data
		840	}
		841
		842	sub db_put($$$) {
		843	BDB::dbreq_pri 4;
		844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		845	}
		846
		847	=item cf::cache $id => [$paths...], $processversion => $process
		848
		849	Generic caching function that returns the value of the resource $id,
		850	caching and regenerating as required.
		851
		852	This function can block.
		853
		854	=cut
		855
		856	sub cache {
		857	my ($id, $src, $processversion, $process) = @_;
		858
		859	my $meta =
		860	join "\x00",
		861	$processversion,
		862	map {
		863	aio_stat $_
		864	and Carp::croak "$_: $!";
		865
		866	($_, (stat _)[7,9])
		867	} @$src;
		868
		869	my $dbmeta = db_get cache => "$id/meta";
		870	if ($dbmeta ne $meta) {
		871	# changed, we may need to process
		872
		873	my @data;
		874	my $md5;
		875
		876	for (0 .. $#$src) {
		877	$data[$_] = load_file $src->[$_];
		878	}
		879
		880	# if processing is expensive, check
		881	# checksum first
		882	if (1) {
		883	$md5 =
		884	join "\x00",
		885	$processversion,
		886	map {
		887	cf::cede_to_tick;
		888	($src->[$_], Digest::MD5::md5_hex $data[$_])
		889	} 0.. $#$src;
		890
		891
		892	my $dbmd5 = db_get cache => "$id/md5";
		893	if ($dbmd5 eq $md5) {
		894	db_put cache => "$id/meta", $meta;
		895
		896	return db_get cache => "$id/data";
		897	}
		898	}
		899
		900	my $t1 = Time::HiRes::time;
		901	my $data = $process->(\@data);
		902	my $t2 = Time::HiRes::time;
		903
		904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		905
		906	db_put cache => "$id/data", $data;
		907	db_put cache => "$id/md5" , $md5;
		908	db_put cache => "$id/meta", $meta;
		909
		910	return $data;
		911	}
		912
		913	db_get cache => "$id/data"
430	}	914	}
431		915
432	=item cf::datalog type => key => value, ...	916	=item cf::datalog type => key => value, ...
433		917
434	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.
435		919
436	=cut	920	=cut
437		921
438	sub datalog($@) {	922	sub datalog($@) {
439	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
440	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
441	}	925	}
442		926
443	=back	927	=back
444		928
445	=cut	929	=cut
446		930
447	#############################################################################	931	#############################################################################
448		932
449	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
450		934
451	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
452	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")
453	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
454		938
455	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>
456	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
457	crossfire+).	941	Deliantra).
458		942
459	=over 4	943	=over 4
460		944
461	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
462		946
…		…
506	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
507		991
508	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
509	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
510		994
511	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
512	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.
513		997
514	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
515		999
516	=over 4	1000	=over 4
…		…
640		1124
641	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
642	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
643		1127
644	} elsif (ref $type) {	1128	} elsif (ref $type) {
645	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
646		1130
647	} else {	1131	} else {
648	shift @arg;	1132	shift @arg;
649	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
650	}	1134	}
651	}	1135	}
652	}	1136	}
653		1137
654	sub _object_attach {	1138	sub _object_attach {
…		…
664	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
665	}	1149	}
666		1150
667	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
668	} else {	1152	} else {
669	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
670	}	1154	}
671		1155
672	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
673	}	1157	}
674		1158
…		…
714	";	1198	";
715	die if $@;	1199	die if $@;
716	}	1200	}
717		1201
718	our $override;	1202	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1203	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1204
721	sub override {	1205	sub override {
722	$override = 1;	1206	$override = 1;
723	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
724	}	1208	}
725		1209
726	sub do_invoke {	1210	sub do_invoke {
727	my $event = shift;	1211	my $event = shift;
728	my $callbacks = shift;	1212	my $callbacks = shift;
729		1213
730	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
731		1215
732	local $override;	1216	local $override;
733		1217
734	for (@$callbacks) {	1218	for (@$callbacks) {
735	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
736		1220
737	if ($@) {	1221	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1223	override;
741	}	1224	}
742		1225
743	return 1 if $override;	1226	return 1 if $override;
744	}	1227	}
745		1228
746	0	1229	0
747	}	1230	}
748		1231
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1233
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1235
753	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
754		1237
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1238	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1239	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1241
759	=back	1242	=back
760		1243
761	=cut	1244	=cut
762		1245
763	#############################################################################	1246	#############################################################################
764	# object support	1247	# object support
		1248
		1249	sub _object_equal($$);
		1250	sub _object_equal($$) {
		1251	my ($a, $b) = @_;
		1252
		1253	return 0 unless (ref $a) eq (ref $b);
		1254
		1255	if ("HASH" eq ref $a) {
		1256	my @ka = keys %$a;
		1257	my @kb = keys %$b;
		1258
		1259	return 0 if @ka != @kb;
		1260
		1261	for (0 .. $#ka) {
		1262	return 0 unless $ka[$_] eq $kb[$_];
		1263	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1264	}
		1265
		1266	} elsif ("ARRAY" eq ref $a) {
		1267
		1268	return 0 if @$a != @$b;
		1269
		1270	for (0 .. $#$a) {
		1271	return 0 unless _object_equal $a->[$_], $b->[$_];
		1272	}
		1273
		1274	} elsif ($a ne $b) {
		1275	return 0;
		1276	}
		1277
		1278	1
		1279	}
		1280
		1281	our $SLOW_MERGES;#d#
		1282	sub _can_merge {
		1283	my ($ob1, $ob2) = @_;
		1284
		1285	++$SLOW_MERGES;#d#
		1286
		1287	# we do the slow way here
		1288	return _object_equal $ob1, $ob2
		1289	}
765		1290
766	sub reattach {	1291	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1293	my ($obj) = @_;
769		1294
		1295	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1296	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1297
772	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
773		1299
774	@$registry = ();	1300	@$registry = ();
775		1301
…		…
780	for (@$attach) {	1306	for (@$attach) {
781	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
783	}	1309	}
784	} else {	1310	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1312	}
787	}	1313	}
788	}	1314	}
789		1315
790	cf::attachable->attach (	1316	cf::attachable->attach (
791	prio => -1000000,	1317	prio => -1000000,
792	on_instantiate => sub {	1318	on_instantiate => sub {
793	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
794		1320
795	$data = from_json $data;	1321	$data = decode_json $data;
796		1322
797	for (@$data) {	1323	for (@$data) {
798	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
799		1325
800	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1342	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
818		1344
819	sync_job {	1345	sync_job {
820	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
823		1351
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1357	aio_fsync $fh;
		1358	}
828	close $fh;	1359	aio_close $fh;
829		1360
830	if (@$objs) {	1361	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1362	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1368	aio_fsync $fh;
		1369	}
836	close $fh;	1370	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
838	}	1372	}
839	} else {	1373	} else {
840	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
841	}	1375	}
842		1376
843	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1381	} else {
845	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
846	}	1383	}
847	} else {	1384	} else {
848	aio_unlink $filename;	1385	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
850	}	1387	}
851	}	1388	};
852	}	1389	}
853		1390
854	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
856		1393
…		…
868	or return;	1405	or return;
869		1406
870	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
872	or return;	1409	or return;
		1410
873	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
874	}	1413	}
875		1414
		1415	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
878	return ($data, $av);	1420	($data, $av)
879	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
880		1428
881	#############################################################################	1429	#############################################################################
882	# command handling &c	1430	# command handling &c
883		1431
884	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1446	}
899		1447
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
901		1449
902	Register a callbackf ro execution when the client sends an extcmd packet.	1450	Register a callback for execution when the client sends an (synchronous)
		1451	extcmd packet. Ext commands will be processed in the order they are
		1452	received by the server, like other user commands. The first argument is
		1453	the logged-in player. Ext commands can only be processed after a player
		1454	has logged in successfully.
903		1455
904	If the callback returns something, it is sent back as if reply was being	1456	If the callback returns something, it is sent back as if reply was being
905	called.	1457	called.
906		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
907	=cut	1470	=cut
908		1471
909	sub register_extcmd {	1472	sub register_extcmd {
910	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
911		1474
912	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
913	}	1476	}
914		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
915	cf::player->attach (	1486	cf::player->attach (
916	on_command => sub {	1487	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
918		1489
919	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
920	or return;	1491	or return;
921		1492
…		…
926	cf::override;	1497	cf::override;
927	},	1498	},
928	on_extcmd => sub {	1499	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
930		1501
931	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1503
933	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
936	$pl->ext_reply ($msg->{msgid}, %reply);
937	}
938	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
939	} else {	1516	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1518	}
942		1519
943	cf::override;	1520	cf::override;
944	},	1521	},
945	);	1522	);
946		1523
		1524	# "readahead" all extensions
947	sub load_extension {	1525	sub cache_extensions {
948	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
949		1527
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1531	}
975	die $@;
976	}	1532	};
977		1533
978	push @EXTS, $pkg;	1534	$grp
		1535	}
		1536
		1537	sub _ext_cfg_reg($$$$) {
		1538	my ($rvar, $varname, $cfgname, $default) = @_;
		1539
		1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
979	}	1546	}
980		1547
981	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
982	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1557	next unless -r $path;
984	eval {	1558
985	load_extension $ext;	1559	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1560	my $base = $1;
		1561	my $pkg = $1;
		1562	$pkg =~ s/[^[:word:]]/_/g;
		1563	$pkg = "ext::$pkg";
		1564
		1565	open my $fh, "<:utf8", $path
		1566	or die "$path: $!";
		1567
		1568	my $source = do { local $/; <$fh> };
		1569
		1570	my %ext = (
		1571	path => $path,
		1572	base => $base,
		1573	pkg => $pkg,
		1574	);
		1575
		1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1578
		1579	$ext{source} =
		1580	"package $pkg; use common::sense;\n"
		1581	. "#line 1 \"$path\"\n{\n"
		1582	. $source
		1583	. "\n};\n1";
		1584
		1585	$todo{$base} = \%ext;
		1586	}
		1587
		1588	my $pass = 0;
		1589	my %done;
		1590	while (%todo) {
		1591	my $progress;
		1592
		1593	++$pass;
		1594
		1595	ext:
		1596	while (my ($k, $v) = each %todo) {
		1597	for (split /,\s*/, $v->{meta}{depends}) {
		1598	next ext
		1599	unless exists $done{$_};
		1600	}
		1601
		1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1603
		1604	my $source = $v->{source};
		1605
		1606	# support "CONF varname :confname = default" pseudo-statements
		1607	$source =~ s{
		1608	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1609	}{
		1610	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1611	}gmxe;
		1612
		1613	my $active = eval $source;
		1614
		1615	if (length $@) {
		1616	error "$v->{path}: $@\n";
		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1619	if exists $v->{meta}{mandatory};
		1620
		1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1622	delete $todo{$k};
		1623	} else {
		1624	$done{$k} = delete $todo{$k};
		1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
		1630	}
986	1	1631	}
987	} or warn "$ext not loaded: $@";	1632
		1633	unless ($progress) {
		1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
		1643	}
988	}	1644	};
989	}	1645	}
990		1646
991	#############################################################################	1647	#############################################################################
992		1648
		1649	=back
		1650
993	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
994		1652
995	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
996		1654
997	=cut	1655	=cut
998		1656
999	package cf::player;	1657	package cf::player;
1000		1658
1001	use Coro::AIO;	1659	use Coro::AIO;
1002		1660
1003	=head3 cf::player	1661	=head3 cf::player
1004		1662
1005	=over 4	1663	=over 4
		1664
		1665	=item cf::player::num_playing
		1666
		1667	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1668
		1669	=cut
		1670
		1671	sub num_playing {
		1672	scalar grep
		1673	$_->ob->map
		1674	&& !$_->hidden
		1675	&& !$_->ob->flag (cf::FLAG_WIZ),
		1676	cf::player::list
		1677	}
1006		1678
1007	=item cf::player::find $login	1679	=item cf::player::find $login
1008		1680
1009	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
1010		1682
…		…
1029		1701
1030	sub exists($) {	1702	sub exists($) {
1031	my ($login) = @_;	1703	my ($login) = @_;
1032		1704
1033	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1035	}	1707	}
1036		1708
1037	sub find($) {	1709	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1711	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1721	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1722
1051	my $pl = load_pl path $login	1723	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1724	or return;
		1725
		1726	my $pl = cf::player::load_pl $f
		1727	or return;
		1728
		1729	local $cf::PLAYER_LOADING{$login} = $pl;
		1730	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1054	}	1732	}
1055	}	1733	}
1056	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($pl, $path) = @_;
		1739
		1740	# restore slots saved in save, below
		1741	my $slots = delete $pl->{_slots};
		1742
		1743	$pl->ob->current_weapon ($slots->[0]);
		1744	$pl->combat_ob ($slots->[1]);
		1745	$pl->ranged_ob ($slots->[2]);
		1746	},
		1747	);
1057		1748
1058	sub save($) {	1749	sub save($) {
1059	my ($pl) = @_;	1750	my ($pl) = @_;
1060		1751
1061	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1067		1758
1068	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1070		1761
		1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1766
1071	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1072	Coro::cede;	1768	cf::cede_to_tick;
1073	}	1769	}
1074		1770
1075	sub new($) {	1771	sub new($) {
1076	my ($login) = @_;	1772	my ($login) = @_;
1077		1773
…		…
1083	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1084		1780
1085	$self	1781	$self
1086	}	1782	}
1087		1783
		1784	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1785
		1786	=cut
		1787
		1788	sub send_msg {
		1789	my $ns = shift->ns
		1790	or return;
		1791	$ns->send_msg (@_);
		1792	}
		1793
1088	=item $pl->quit_character	1794	=item $pl->quit_character
1089		1795
1090	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1092		1798
…		…
1096	my ($pl) = @_;	1802	my ($pl) = @_;
1097		1803
1098	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1099		1805
1100	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1807	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1808
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1104	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1106	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1107		1817
1108	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1110	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1145	or return [];	1855	or return [];
1146		1856
1147	my @logins;	1857	my @logins;
1148		1858
1149	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
		1860	my $path = path $login;
		1861
		1862	# a .pst is a dead give-away for a valid player
		1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1153		1869
1154	utf8::decode $login;	1870	utf8::decode $login;
1155	push @logins, $login;	1871	push @logins, $login;
1156	}	1872	}
1157		1873
1158	\@logins	1874	\@logins
1159	}	1875	}
1160		1876
1161	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1162		1880
1163	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1164	player. May block.	1882	player. May block.
1165		1883
1166	=cut	1884	=cut
…		…
1184	}	1902	}
1185		1903
1186	\@paths	1904	\@paths
1187	}	1905	}
1188		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1189	=item $player->ext_reply ($msgid, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1190		1912
1191	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1192		1914
1193	=cut	1915	=cut
1194		1916
1195	sub ext_reply($$%) {	1917	sub ext_reply($$@) {
1196	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1197		1919
1198	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}	1921	}
1202		1922
1203	=item $player->ext_event ($type, %msg)	1923	=item $player->ext_msg ($type, @msg)
1204		1924
1205	Sends an ext event to the client.	1925	Sends an ext event to the client.
1206		1926
1207	=cut	1927	=cut
1208		1928
1209	sub ext_event($$%) {	1929	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1930	my ($self, $type, @msg) = @_;
1211		1931
1212	$self->ns->ext_event ($type, %msg);	1932	$self->ns->ext_msg ($type, @msg);
1213	}	1933	}
1214		1934
1215	=head3 cf::region	1935	=head3 cf::region
1216		1936
1217	=over 4	1937	=over 4
…		…
1220		1940
1221	package cf::region;	1941	package cf::region;
1222		1942
1223	=item cf::region::find_by_path $path	1943	=item cf::region::find_by_path $path
1224		1944
1225	Tries to decuce the probable region for a map knowing only its path.	1945	Tries to decuce the likely region for a map knowing only its path.
1226		1946
1227	=cut	1947	=cut
1228		1948
1229	sub find_by_path($) {	1949	sub find_by_path($) {
1230	my ($path) = @_;	1950	my ($path) = @_;
1231		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
1232	my ($match, $specificity);	1954	my ($match, $specificity);
1233		1955
1234	for my $region (list) {	1956	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1957	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1958	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1959	if $region->specificity > $specificity;
1238	}	1960	}
1239	}	1961	}
1240		1962
…		…
1261	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1263		1985
1264	sub generate_random_map {	1986	sub generate_random_map {
1265	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1266	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1267	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1275	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1276	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1277	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1278	(cf::region::find $rmp->{region}), $rmp->{custom}
1279	)
1280	}	1992	}
1281		1993
1282	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1283		1995
1284	Register a handler for the map path matching the given regex at the	1996	Register a handler for the map path matching the given regex at the
…		…
1289		2001
1290	sub register {	2002	sub register {
1291	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1292	my $pkg = caller;	2004	my $pkg = caller;
1293		2005
1294	no strict;
1295	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1296		2007
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	2009	}
1299		2010
1300	# also paths starting with '/'	2011	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		2013
1303	sub thawer_merge {	2014	sub thawer_merge {
1304	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1305		2016
1306	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
1307	local $self->{path};	2018	local $self->{path};
1308	local $self->{load_path};	2019	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		2020
1312	$self->SUPER::thawer_merge ($merge);	2021	$self->SUPER::thawer_merge ($merge);
1313	}	2022	}
1314		2023
1315	sub normalise {	2024	sub normalise {
1316	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1317		2026
1318	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1319		2028
1320	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1321		2030
1322	# map plan:	2031	# map plan:
1323	#	2032	#
…		…
1338	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1339	$path = "$base/$path";	2048	$path = "$base/$path";
1340	}	2049	}
1341		2050
1342	for ($path) {	2051	for ($path) {
1343	redo if s{//}{/};
1344	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1345	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1346	}	2054	}
1347		2055
1348	$path	2056	$path
…		…
1362	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1363	return $self;	2071	return $self;
1364	}	2072	}
1365	}	2073	}
1366		2074
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1368	()	2076	()
1369	}	2077	}
1370		2078
		2079	# may re-bless or do other evil things
1371	sub init {	2080	sub init {
1372	my ($self) = @_;	2081	my ($self) = @_;
1373		2082
1374	$self	2083	$self
1375	}	2084	}
…		…
1394		2103
1395	# the temporary/swap location	2104	# the temporary/swap location
1396	sub save_path {	2105	sub save_path {
1397	my ($self) = @_;	2106	my ($self) = @_;
1398		2107
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1401	}	2110	}
1402		2111
1403	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1404	sub uniq_path {	2113	sub uniq_path {
1405	my ($self) = @_;	2114	my ($self) = @_;
1406		2115
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1409	}	2118	}
1410		2119
1411	# and all this just because we cannot iterate over	2120	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	2121	my ($self) = @_;
1415		2122
1416	$_->change_map_light ($change)	2123	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	2124
		2125	$self->do_decay_objects;
1418	}	2126	}
1419		2127
1420	sub unlink_save {	2128	sub unlink_save {
1421	my ($self) = @_;	2129	my ($self) = @_;
1422		2130
…		…
1427		2135
1428	sub load_header_from($) {	2136	sub load_header_from($) {
1429	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1430		2138
1431	utf8::encode $path;	2139	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	2141	or return;
1437		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1438	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1439		2150
1440	1	2151	1
1441	}	2152	}
1442		2153
		2154	# used to laod the header of an original map
1443	sub load_header_orig {	2155	sub load_header_orig {
1444	my ($self) = @_;	2156	my ($self) = @_;
1445		2157
1446	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1447	}	2159	}
1448		2160
		2161	# used to laod the header of an instantiated map
1449	sub load_header_temp {	2162	sub load_header_temp {
1450	my ($self) = @_;	2163	my ($self) = @_;
1451		2164
1452	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1453	}	2166	}
1454		2167
		2168	# called after loading the header from an instantiated map
1455	sub prepare_temp {	2169	sub prepare_temp {
1456	my ($self) = @_;	2170	my ($self) = @_;
1457		2171
1458	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1459	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1460	# safety	2174	# safety
1461	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1462	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1463	}	2177	}
1464		2178
		2179	# called after loading the header from an original map
1465	sub prepare_orig {	2180	sub prepare_orig {
1466	my ($self) = @_;	2181	my ($self) = @_;
1467		2182
1468	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1469	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1480	$self->load_header_orig	2195	$self->load_header_orig
1481	or return;	2196	or return;
1482	$self->prepare_orig;	2197	$self->prepare_orig;
1483	}	2198	}
1484		2199
		2200	$self->{deny_reset} = 1
		2201	if $self->no_reset;
		2202
1485	$self->default_region (cf::region::find_by_path $self->{path})	2203	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2204	unless $self->default_region;
1487		2205
1488	1	2206	1
1489	}	2207	}
1490		2208
1491	sub find;	2209	sub find;
1492	sub find {	2210	sub find {
1493	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1494		2212
		2213	cf::cede_to_tick;
		2214
1495	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1496		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2219
1499	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1502	or return;	2222	or return;
1503		2223
1504	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1505		2225
1506	$map->load_header	2226	$map->load_header
1507	or return;	2227	or return;
1508		2228
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1512	$map->reset;	2234	$map->reset;
1513	undef $guard;
1514	return find $path;	2235	return find $path;
1515	}	2236	}
1516		2237
1517	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1518	}	2239	}
1519	}	2240	}
1520		2241
1521	sub pre_load { }	2242	sub pre_load { }
1522	sub post_load { }	2243	#sub post_load { } # XS
1523		2244
1524	sub load {	2245	sub load {
1525	my ($self) = @_;	2246	my ($self) = @_;
1526		2247
1527	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1528		2249
1529	my $path = $self->{path};	2250	my $path = $self->{path};
1530		2251
1531	{	2252	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1533		2254
		2255	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1535
1536	$self->in_memory (cf::MAP_LOADING);
1537		2257
1538	$self->alloc;	2258	$self->alloc;
1539		2259
1540	$self->pre_load;	2260	$self->pre_load;
1541	Coro::cede;	2261	cf::cede_to_tick;
1542		2262
1543	$self->_load_objects ($self->{load_path}, 1)	2263	if (exists $self->{load_path}) {
		2264	my $f = new_from_file cf::object::thawer $self->{load_path};
		2265	$f->skip_block;
		2266	$self->_load_objects ($f)
1544	or return;	2267	or return;
1545		2268
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1547	if delete $self->{load_original};	2270	if delete $self->{load_original};
1548		2271
1549	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2273	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2276	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1554	}	2281	}
1555	}
1556		2282
1557	Coro::cede;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
		2288
		2289	$self->state (cf::MAP_INACTIVE);
		2290
		2291	cf::cede_to_tick;
1558	# now do the right thing for maps	2292	# now do the right thing for maps
1559	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2295	unless $self->difficulty;
1562	Coro::cede;	2296	cf::cede_to_tick;
1563		2297
1564	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2299	$self->decay_objects;
1566	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1567	$self->update_buttons;	2301	$self->update_buttons;
1568	Coro::cede;	2302	cf::cede_to_tick;
1569	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
1570	Coro::cede;
1571	$self->activate;
1572	}	2304	}
1573		2305
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1575	}	2308	}
1576		2309
1577	$self->post_load;	2310	$self->post_load;
1578	}
1579		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2318	sub customise_for {
1581	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1582		2320
1583	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2322	if $self->per_player;
1585		2323
		2324	# return find "?party/" . $ob->name . "/" . $self->{path}
		2325	# if $self->per_party;
		2326
1586	$self	2327	$self
1587	}
1588
1589	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {
1591	my ($map) = @_;
1592
1593	my @diag; # diagonal neighbours
1594
1595	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)
1597	or next;
1598	$neigh = find $neigh, $map
1599	or next;
1600	$neigh->load;
1601
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}
1605
1606	for (@diag) {
1607	my $neigh = find @$_
1608	or next;
1609	$neigh->load;
1610	}
1611	}	2328	}
1612		2329
1613	sub find_sync {	2330	sub find_sync {
1614	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1615		2332
1616	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
1617	}	2338	}
1618		2339
1619	sub do_load_sync {	2340	sub do_load_sync {
1620	my ($map) = @_;	2341	my ($map) = @_;
1621		2342
1622	cf::sync_job { $map->load };	2343	# it's a bug to call this from the main context
		2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2345	if $Coro::current == $Coro::main;
		2346
		2347	$map->load;
1623	}	2348	}
1624		2349
1625	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1627		2352
1628	sub find_async {	2353	sub find_async {
1629	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1630		2355
1631	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1632		2357
1633	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1635	}	2360	}
1636		2361
1637	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1638	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1639	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2369	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2370	$map->load if $v;
		2371	}
1644		2372
1645	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1646	}	2374	}
1647	}	2375	}
1648	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1649	};	2377	};
1650	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1651		2379
1652	()	2380	()
1653	}	2381	}
1654		2382
		2383	# common code, used by both ->save and ->swapout
1655	sub save {	2384	sub _save {
1656	my ($self) = @_;	2385	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2386
1660	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1661		2388
1662	return unless $self->dirty;	2389	return unless $self->dirty;
1663		2390
…		…
1669	return if $self->{deny_save};	2396	return if $self->{deny_save};
1670		2397
1671	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1672		2399
1673	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1675	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1676		2406
1677	if ($uniq) {	2407	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2410	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2412	}
1683	}	2413	}
1684		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1685	sub swap_out {	2423	sub swap_out {
1686	my ($self) = @_;	2424	my ($self) = @_;
1687		2425
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1693	return if $self->players;	2430	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
1697	$self->clear;	2441	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2442	}
1700		2443
1701	sub reset_at {	2444	sub reset_at {
1702	my ($self) = @_;	2445	my ($self) = @_;
1703		2446
1704	# TODO: safety, remove and allow resettable per-player maps	2447	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2448	return 1e99 if $self->{deny_reset};
1707		2449
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2452
…		…
1721	my ($self) = @_;	2463	my ($self) = @_;
1722		2464
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2466
1725	return if $self->players;	2467	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2468
1728	warn "resetting map ", $self->path;#d#	2469	cf::trace "resetting map ", $self->path, "\n";
1729		2470
1730	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1731		2472
1732	# need to save uniques path	2473	# need to save uniques path
1733	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1734	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1735		2476
…		…
1737	if $uniq;	2478	if $uniq;
1738	}	2479	}
1739		2480
1740	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1741		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2485	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2486
1746	$self->unlink_save;	2487	$self->unlink_save;
1747	$self->destroy;	2488	$self->destroy;
1748	}	2489	}
1749		2490
1750	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1751		2492
1752	sub nuke {	2493	sub nuke {
1753	my ($self) = @_;	2494	my ($self) = @_;
1754		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1755	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1756		2500
1757	$self->unlink_save;	2501	$self->unlink_save;
1758		2502
1759	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2508
1765	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1766		2511
1767	$self->reset; # polite request, might not happen	2512	$self->reset; # polite request, might not happen
		2513	}
		2514
		2515	=item $maps = cf::map::tmp_maps
		2516
		2517	Returns an arrayref with all map paths of currently instantiated and saved
		2518	maps. May block.
		2519
		2520	=cut
		2521
		2522	sub tmp_maps() {
		2523	[
		2524	map {
		2525	utf8::decode $_;
		2526	/\.map$/
		2527	? normalise $_
		2528	: ()
		2529	} @{ aio_readdir $TMPDIR or [] }
		2530	]
		2531	}
		2532
		2533	=item $maps = cf::map::random_maps
		2534
		2535	Returns an arrayref with all map paths of currently instantiated and saved
		2536	random maps. May block.
		2537
		2538	=cut
		2539
		2540	sub random_maps() {
		2541	[
		2542	map {
		2543	utf8::decode $_;
		2544	/\.map$/
		2545	? normalise "?random/$_"
		2546	: ()
		2547	} @{ aio_readdir $RANDOMDIR or [] }
		2548	]
1768	}	2549	}
1769		2550
1770	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1771		2552
1772	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2554	instantiated unique items. May block.
1774		2555
1775	=cut	2556	=cut
1776		2557
1777	sub unique_maps() {	2558	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2559	[
1779	or return;	2560	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2561	utf8::decode $_;
1785	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2564	? ()
1788	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2567	]
1790
1791	\@paths
1792	}	2568	}
1793		2569
1794	package cf;	2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
1795		2601
1796	=back	2602	=back
1797		2603
1798	=head3 cf::object	2604	=head3 cf::object
1799		2605
…		…
1803		2609
1804	=over 4	2610	=over 4
1805		2611
1806	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1807		2613
1808	Returns the inventory of the object _and_ their inventories, recursively.	2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
1809		2616
1810	=cut	2617	=cut
1811		2618
1812	sub inv_recursive_;	2619	sub inv_recursive_;
1813	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1816		2623
1817	sub inv_recursive {	2624	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1819	}	2626	}
1820		2627
		2628	=item $ref = $ob->ref
		2629
		2630	Creates and returns a persistent reference to an object that can be stored as a string.
		2631
		2632	=item $ob = cf::object::deref ($refstring)
		2633
		2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2635	even if the object actually exists. May block.
		2636
		2637	=cut
		2638
		2639	sub deref {
		2640	my ($ref) = @_;
		2641
		2642	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2643	my ($uuid, $name) = ($1, $2);
		2644	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2645	or return;
		2646	$pl->ob->uuid eq $uuid
		2647	or return;
		2648
		2649	$pl->ob
		2650	} else {
		2651	warn "$ref: cannot resolve object reference\n";
		2652	undef
		2653	}
		2654	}
		2655
1821	package cf;	2656	package cf;
1822		2657
1823	=back	2658	=back
1824		2659
1825	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2666	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2667	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1834		2669
1835	=cut	2670	=cut
		2671
		2672	our $SAY_CHANNEL = {
		2673	id => "say",
		2674	title => "Map",
		2675	reply => "say ",
		2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2677	};
		2678
		2679	our $CHAT_CHANNEL = {
		2680	id => "chat",
		2681	title => "Chat",
		2682	reply => "chat ",
		2683	tooltip => "Player chat and shouts, global to the server.",
		2684	};
1836		2685
1837	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2687	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2688	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1842		2691
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2693
1845	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1847	} else {	2697	} else {
		2698	my $pl = $self->contr;
		2699
		2700	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2701	my $dialog = $pl->{npc_dialog};
		2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2703
		2704	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1850	}	2708	}
		2709	}
		2710
		2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2712
		2713	=cut
		2714
		2715	sub cf::object::send_msg {
		2716	my $pl = shift->contr
		2717	or return;
		2718	$pl->send_msg (@_);
1851	}	2719	}
1852		2720
1853	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1854		2722
1855	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1868		2736
1869	=item $player_object->enter_link	2737	=item $player_object->enter_link
1870		2738
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2740
1873	The player should be reasonably safe there for short amounts of time. You	2741	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2742	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2743	though, as the player cannot control the character while it is on the link
		2744	map.
1875		2745
1876	Will never block.	2746	Will never block.
1877		2747
1878	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1879		2749
…		…
1899	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2770	my ($self) = @_;
1901		2771
1902	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1903		2773
		2774	++$self->{_link_recursion};
		2775
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2777
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
1908		2780
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2782	}
1911		2783
1912	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
1914		2786
…		…
1931	($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
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
1947		2821
		2822	}
		2823
1948	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1949		2825
1950	Moves the player to the given map-path and coordinates by first freezing	2826	Moves the player to the given map-path and coordinates by first freezing
1951	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
1952	that has to return the map if sucecssful, and then unfreezes the player on	2828	that has to return the map if sucecssful, and then unfreezes the player on
1953	the new (success) or old (failed) map position.	2829	the new (success) or old (failed) map position. In either case, $done will
		2830	be called at the end of this process.
		2831
		2832	Note that $check will be called with a potentially non-loaded map, so if
		2833	it needs a loaded map it has to call C<< ->load >>.
1954		2834
1955	=cut	2835	=cut
1956		2836
1957	our $GOTOGEN;	2837	our $GOTOGEN;
1958		2838
1959	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1960	my ($self, $path, $x, $y, $check) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
1961		2847
1962	# do generation counting so two concurrent goto's will be executed in-order	2848	# do generation counting so two concurrent goto's will be executed in-order
1963	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1964		2850
1965	$self->enter_link;	2851	$self->enter_link;
1966		2852
1967	(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
1968	my $map = eval {	2875	my $map = eval {
1969	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1970		2877
1971	if ($map) {	2878	if ($map) {
1972	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
1973	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
1974	} else {	2881	} else {
1975	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1976	}	2883	}
1977		2884
1978	$map	2885	$map
1979	};	2886	};
1980		2887
…		…
1985		2892
1986	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
1987	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
1988	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
1989	}	2896	}
		2897
		2898	$done->($self) if $done;
1990	})->prio (1);	2899	})->prio (1);
1991	}	2900	}
1992		2901
1993	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
1994		2903
…		…
2014	}	2923	}
2015		2924
2016	sub prepare_random_map {	2925	sub prepare_random_map {
2017	my ($exit) = @_;	2926	my ($exit) = @_;
2018		2927
2019	my $guard = cf::lock_acquire "exit_prepare:$exit";
2020
2021	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2022	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2023	# that depends on the exit object	2930	# that depends on the exit object
2024		2931
2025	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2027	if ($exit->map) {	2934	if ($exit->map) {
2028	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2029	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2030	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2031	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2032	}	2941	}
2033		2942
2034	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2035		2944
2036	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2037	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2038	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2039		2948
2040	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2041	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2042	undef $fh;	2951	undef $fh;
2043	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2044		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2045	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2046	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2047	}	2960	}
2048	}	2961	}
2049		2962
2050	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2051	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2052		2965
2053	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2054		2967
2055	if ($exit->slaying eq "/!") {
2056	#TODO: this should de-fi-ni-te-ly not be a sync-job
2057	# the problem is that $exit might not survive long enough
2058	# so it needs to be done right now, right here
2059	cf::sync_job { prepare_random_map $exit };
2060	}
2061
2062	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2063	my $hp = $exit->stats->hp;
2064	my $sp = $exit->stats->sp;
2065
2066	$self->enter_link;	2968	$self->enter_link;
2067		2969
2068	(async {	2970	(async {
2069	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2070	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
2071	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2072		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
2073	1;	3009	1
2074	}) {	3010	}) {
2075	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2076	. "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. "
2077	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2078	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2079		3015
2080	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2081	$self->leave_link;	3017	$self->leave_link;
2082	}	3018	}
2083	})->prio (1);	3019	})->prio (1);
2084	}	3020	}
2085		3021
…		…
2099		3035
2100	utf8::encode $text;	3036	utf8::encode $text;
2101	$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);
2102	}	3038	}
2103		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
2104	=item $client->ext_event ($type, %msg)	3227	=item $client->ext_msg ($type, @msg)
2105		3228
2106	Sends an exti event to the client.	3229	Sends an ext event to the client.
2107		3230
2108	=cut	3231	=cut
2109		3232
2110	sub cf::client::ext_event($$%) {	3233	sub cf::client::ext_msg($$@) {
2111	my ($self, $type, %msg) = @_;	3234	my ($self, $type, @msg) = @_;
2112		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
2113	$msg{msgtype} = "event_$type";	3239	push @msg, msgtype => "event_$type";
2114	$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]));
2115	}	3256	}
2116		3257
2117	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2118		3259
2119	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
2120	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>,
2121	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>.
2122		3263
2123	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
2124	reliable at some point in the future.	3265	become reliable at some point in the future.
2125		3266
2126	=cut	3267	=cut
2127		3268
2128	sub cf::client::query {	3269	sub cf::client::query {
2129	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
2137	utf8::encode $text;	3278	utf8::encode $text;
2138	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2139		3280
2140	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2141	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2142	}	3285	}
2143		3286
2144	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	},
2145	on_reply => sub {	3293	on_reply => sub {
2146	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2147		3295
2148	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2149	# get handled first	3297	# get handled first
…		…
2161	} else {	3309	} else {
2162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2163	}	3311	}
2164	}	3312	}
2165	},	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	},
2166	);	3337	);
2167		3338
2168	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2169		3340
2170	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2186		3357
2187	$coro	3358	$coro
2188	}	3359	}
2189		3360
2190	cf::client->attach (	3361	cf::client->attach (
2191	on_destroy => sub {	3362	on_client_destroy => sub {
2192	my ($ns) = @_;	3363	my ($ns) = @_;
2193		3364
2194	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2195	},	3366	},
2196	);	3367	);
…		…
2211	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2212	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2213		3384
2214	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2215		3386
2216	$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	));
2217		3392
2218	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2219		3394
2220	=pod	3395	=pod
2221		3396
2222	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2223		3398
2224	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
2225	cf::object::player player	3404	cf::object::player
2226	cf::player peaceful	3405	player
2227	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2228		3412
2229	=cut	3413	=cut
2230		3414
2231	for (	3415	for (
2232	["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)],
2233	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2234	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2235	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2236	) {	3422	) {
2237	no strict 'refs';
2238	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2239	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2240	for @funs;	3425	for @funs;
2241	}	3426	}
2242		3427
…		…
2257		3442
2258	my $qcode = $code;	3443	my $qcode = $code;
2259	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2260	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2261		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2262	local $_;	3450	local $_;
2263	local @safe::cf::_safe_eval_args = values %vars;
2264		3451
2265	my $eval =	3452	my $eval =
2266	"do {\n"	3453	"do {\n"
2267	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2268	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2269	. $code	3456	. $code
2270	. "\n}"	3457	. "\n}"
2271	;	3458	;
2272		3459
		3460	if ($CFG{safe_eval}) {
2273	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2274	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2275	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	}
2276		3469
2277	if ($@) {	3470	if ($@) {
2278	warn "$@";	3471	warn "$@",
2279	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2280	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2281	}	3474	}
2282		3475
2283	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2284	}	3477	}
2285		3478
…		…
2299	=cut	3492	=cut
2300		3493
2301	sub register_script_function {	3494	sub register_script_function {
2302	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2303		3496
2304	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2305	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2306	}	3499	}
2307		3500
2308	=back	3501	=back
2309		3502
2310	=cut	3503	=cut
2311
2312	#############################################################################
2313
2314	=head2 EXTENSION DATABASE SUPPORT
2315
2316	Crossfire maintains a very simple database for extension use. It can
2317	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2318	convert to/from binary).
2319
2320	The parameter C<$family> should best start with the name of the extension
2321	using it, it should be unique.
2322
2323	=over 4
2324
2325	=item $value = cf::db_get $family => $key
2326
2327	Returns a single value from the database.
2328
2329	=item cf::db_put $family => $key => $value
2330
2331	Stores the given C<$value> in the family.
2332
2333	=cut
2334
2335	our $DB;
2336
2337	sub db_init {
2338	unless ($DB) {
2339	$DB = BDB::db_create $DB_ENV;
2340
2341	cf::sync_job {
2342	eval {
2343	$DB->set_flags (BDB::CHKSUM);
2344
2345	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2346	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2347	cf::cleanup "db_open(db): $!" if $!;
2348	};
2349	cf::cleanup "db_open(db): $@" if $@;
2350	};
2351	}
2352	}
2353
2354	sub db_get($$) {
2355	my $key = "$_[0]/$_[1]";
2356
2357	cf::sync_job {
2358	BDB::db_get $DB, undef, $key, my $data;
2359
2360	$! ? ()
2361	: $data
2362	}
2363	}
2364
2365	sub db_put($$$) {
2366	BDB::dbreq_pri 4;
2367	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2368	}
2369
2370	=item cf::cache $id => [$paths...], $processversion => $process
2371
2372	Generic caching function that returns the value of the resource $id,
2373	caching and regenerating as required.
2374
2375	This function can block.
2376
2377	=cut
2378
2379	sub cache {
2380	my ($id, $src, $processversion, $process) = @_;
2381
2382	my $meta =
2383	join "\x00",
2384	$processversion,
2385	map {
2386	aio_stat $_
2387	and Carp::croak "$_: $!";
2388
2389	($_, (stat _)[7,9])
2390	} @$src;
2391
2392	my $dbmeta = db_get cache => "$id/meta";
2393	if ($dbmeta ne $meta) {
2394	# changed, we may need to process
2395
2396	my @data;
2397	my $md5;
2398
2399	for (0 .. $#$src) {
2400	0 <= aio_load $src->[$_], $data[$_]
2401	or Carp::croak "$src->[$_]: $!";
2402	}
2403
2404	# if processing is expensive, check
2405	# checksum first
2406	if (1) {
2407	$md5 =
2408	join "\x00",
2409	$processversion,
2410	map {
2411	Coro::cede;
2412	($src->[$_], Digest::MD5::md5_hex $data[$_])
2413	} 0.. $#$src;
2414
2415
2416	my $dbmd5 = db_get cache => "$id/md5";
2417	if ($dbmd5 eq $md5) {
2418	db_put cache => "$id/meta", $meta;
2419
2420	return db_get cache => "$id/data";
2421	}
2422	}
2423
2424	my $t1 = Time::HiRes::time;
2425	my $data = $process->(\@data);
2426	my $t2 = Time::HiRes::time;
2427
2428	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2429
2430	db_put cache => "$id/data", $data;
2431	db_put cache => "$id/md5" , $md5;
2432	db_put cache => "$id/meta", $meta;
2433
2434	return $data;
2435	}
2436
2437	db_get cache => "$id/data"
2438	}
2439
2440	=item fork_call { }, $args
2441
2442	Executes the given code block with the given arguments in a seperate
2443	process, returning the results. Everything must be serialisable with
2444	Coro::Storable. May, of course, block. Note that the executed sub may
2445	never block itself or use any form of Event handling.
2446
2447	=cut
2448
2449	sub fork_call(&@) {
2450	my ($cb, @args) = @_;
2451
2452	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2453	# or die "socketpair: $!";
2454	pipe my $fh1, my $fh2
2455	or die "pipe: $!";
2456
2457	if (my $pid = fork) {
2458	close $fh2;
2459
2460	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2461	$res = Coro::Storable::thaw $res;
2462
2463	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2464
2465	die $$res unless "ARRAY" eq ref $res;
2466
2467	return wantarray ? @$res : $res->[-1];
2468	} else {
2469	reset_signals;
2470	local $SIG{__WARN__};
2471	local $SIG{__DIE__};
2472	eval {
2473	close $fh1;
2474
2475	my @res = eval { $cb->(@args) };
2476	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2477	};
2478
2479	warn $@ if $@;
2480	_exit 0;
2481	}
2482	}
2483		3504
2484	#############################################################################	3505	#############################################################################
2485	# the server's init and main functions	3506	# the server's init and main functions
2486		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
		3509
2487	sub load_facedata($) {	3510	sub load_facedata($) {
2488	my ($path) = @_;	3511	my ($path) = @_;
2489		3512
		3513	# HACK to clear player env face cache, we need some signal framework
		3514	# for this (global event?)
		3515	%ext::player_env::MUSIC_FACE_CACHE = ();
		3516
		3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3518
2490	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
2491		3520
2492	my $facedata;	3521	my $facedata = decode_storable load_file $path;
2493	0 < aio_load $path, $facedata
2494	or die "$path: $!";
2495
2496	$facedata = Coro::Storable::thaw $facedata;
2497		3522
2498	$facedata->{version} == 2	3523	$facedata->{version} == 2
2499	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
2500		3525
		3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3528	$facedata->{resource}{"res/exp_table"} = {
		3529	type => FT_RSRC,
		3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
		3532	};
		3533	cf::cede_to_tick;
		3534
2501	{	3535	{
2502	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
2503		3537
2504	while (my ($face, $info) = each %$faces) {	3538	for my $face (sort keys %$faces) {
		3539	my $info = $faces->{$face};
2505	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3540	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3541
2506	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3542	cf::face::set_visibility $idx, $info->{visibility};
		3543	cf::face::set_magicmap $idx, $info->{magicmap};
2507	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3544	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2508	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3545	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2509	Coro::cede;	3546	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3547	$FACEHASH{$info->{hash64}} = $idx;#d#
		3548
		3549	cf::cede_to_tick;
2510	}	3550	}
2511		3551
2512	while (my ($face, $info) = each %$faces) {	3552	while (my ($face, $info) = each %$faces) {
2513	next unless $info->{smooth};	3553	next unless $info->{smooth};
		3554
2514	my $idx = cf::face::find $face	3555	my $idx = cf::face::find $face
2515	or next;	3556	or next;
		3557
2516	if (my $smooth = cf::face::find $info->{smooth}) {	3558	if (my $smooth = cf::face::find $info->{smooth}) {
		3559	cf::face::set_smooth $idx, $smooth;
2517	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3560	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2518	} else {	3561	} else {
2519	warn "smooth face '$info->{smooth}' not found for face '$face'";	3562	error "smooth face '$info->{smooth}' not found for face '$face'";
2520	}	3563	}
2521	Coro::cede;	3564
		3565	cf::cede_to_tick;
2522	}	3566	}
2523	}	3567	}
2524		3568
2525	{	3569	{
2526	my $anims = $facedata->{animinfo};	3570	my $anims = $facedata->{animinfo};
2527		3571
2528	while (my ($anim, $info) = each %$anims) {	3572	while (my ($anim, $info) = each %$anims) {
2529	cf::anim::set $anim, $info->{frames}, $info->{facings};	3573	cf::anim::set $anim, $info->{frames}, $info->{facings};
2530	Coro::cede;	3574	cf::cede_to_tick;
2531	}	3575	}
2532		3576
2533	cf::anim::invalidate_all; # d'oh	3577	cf::anim::invalidate_all; # d'oh
2534	}	3578	}
2535		3579
		3580	{
		3581	my $res = $facedata->{resource};
		3582
		3583	while (my ($name, $info) = each %$res) {
		3584	if (defined (my $type = $info->{type})) {
		3585	# TODO: different hash - must free and use new index, or cache ixface data queue
		3586	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3587
		3588	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3589	cf::face::set_type $idx, $type;
		3590	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3591	$FACEHASH{$info->{hash}} = $idx;#d#
		3592	} else {
		3593	# $RESOURCE{$name} = $info; # unused
		3594	}
		3595
		3596	cf::cede_to_tick;
		3597	}
		3598	}
		3599
		3600	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3601
2536	1	3602	1
2537	}	3603	}
2538		3604
		3605	register_exticmd fx_want => sub {
		3606	my ($ns, $want) = @_;
		3607
		3608	while (my ($k, $v) = each %$want) {
		3609	$ns->fx_want ($k, $v);
		3610	}
		3611	};
		3612
		3613	sub load_resource_file($) {
		3614	my $guard = lock_acquire "load_resource_file";
		3615
		3616	my $status = load_resource_file_ $_[0];
		3617	get_slot 0.1, 100;
		3618	cf::arch::commit_load;
		3619
		3620	$status
		3621	}
		3622
2539	sub reload_regions {	3623	sub reload_regions {
		3624	# HACK to clear player env face cache, we need some signal framework
		3625	# for this (global event?)
		3626	%ext::player_env::MUSIC_FACE_CACHE = ();
		3627
2540	load_resource_file "$MAPDIR/regions"	3628	load_resource_file "$MAPDIR/regions"
2541	or die "unable to load regions file\n";	3629	or die "unable to load regions file\n";
		3630
		3631	for (cf::region::list) {
		3632	$_->{match} = qr/$_->{match}/
		3633	if exists $_->{match};
		3634	}
2542	}	3635	}
2543		3636
2544	sub reload_facedata {	3637	sub reload_facedata {
2545	load_facedata "$DATADIR/facedata"	3638	load_facedata "$DATADIR/facedata"
2546	or die "unable to load facedata\n";	3639	or die "unable to load facedata\n";
…		…
2554	sub reload_treasures {	3647	sub reload_treasures {
2555	load_resource_file "$DATADIR/treasures"	3648	load_resource_file "$DATADIR/treasures"
2556	or die "unable to load treasurelists\n";	3649	or die "unable to load treasurelists\n";
2557	}	3650	}
2558		3651
		3652	sub reload_sound {
		3653	trace "loading sound config from $DATADIR/sound\n";
		3654
		3655	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3656
		3657	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3658	my $sound = $soundconf->{compat}[$_]
		3659	or next;
		3660
		3661	my $face = cf::face::find "sound/$sound->[1]";
		3662	cf::sound::set $sound->[0] => $face;
		3663	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3664	}
		3665
		3666	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3667	my $face = cf::face::find "sound/$v";
		3668	cf::sound::set $k => $face;
		3669	}
		3670	}
		3671
2559	sub reload_resources {	3672	sub reload_resources {
2560	warn "reloading resource files...\n";	3673	trace "reloading resource files...\n";
2561		3674
		3675	reload_exp_table;
		3676	reload_materials;
		3677	reload_facedata;
		3678	reload_sound;
		3679	reload_archetypes;
2562	reload_regions;	3680	reload_regions;
2563	reload_facedata;
2564	reload_archetypes;
2565	reload_treasures;	3681	reload_treasures;
2566		3682
2567	warn "finished reloading resource files\n";	3683	trace "finished reloading resource files\n";
2568	}	3684	}
2569		3685
2570	sub init {	3686	sub reload_config {
2571	reload_resources;	3687	trace "reloading config file...\n";
2572	}
2573		3688
2574	sub cfg_load {	3689	my $config = load_file "$CONFDIR/config";
2575	open my $fh, "<:utf8", "$CONFDIR/config"	3690	utf8::decode $config;
2576	or return;	3691	*CFG = decode_yaml $config;
2577		3692
2578	local $/;
2579	*CFG = YAML::Syck::Load <$fh>;
2580
2581	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3693	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2582		3694
2583	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3695	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2584	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3696	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2585		3697
2586	if (exists $CFG{mlockall}) {	3698	if (exists $CFG{mlockall}) {
…		…
2590	};	3702	};
2591	warn $@ if $@;	3703	warn $@ if $@;
2592	}	3704	}
2593	}	3705	}
2594		3706
		3707	sub pidfile() {
		3708	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3709	or die "$PIDFILE: $!";
		3710	flock $fh, &Fcntl::LOCK_EX
		3711	or die "$PIDFILE: flock: $!";
		3712	$fh
		3713	}
		3714
		3715	# make sure only one server instance is running at any one time
		3716	sub atomic {
		3717	my $fh = pidfile;
		3718
		3719	my $pid = <$fh>;
		3720	kill 9, $pid if $pid > 0;
		3721
		3722	seek $fh, 0, 0;
		3723	print $fh $$;
		3724	}
		3725
		3726	sub main_loop {
		3727	trace "EV::loop starting\n";
		3728	if (1) {
		3729	EV::loop;
		3730	}
		3731	trace "EV::loop returned\n";
		3732	goto &main_loop unless $REALLY_UNLOOP;
		3733	}
		3734
2595	sub main {	3735	sub main {
		3736	cf::init_globals; # initialise logging
		3737
		3738	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3739	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3740	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3741	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3742
		3743	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3744
2596	# we must not ever block the main coroutine	3745	# we must not ever block the main coroutine
2597	local $Coro::idle = sub {	3746	local $Coro::idle = sub {
2598	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3747	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2599	(async {	3748	(async {
2600	Event::one_event;	3749	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3750	EV::loop EV::LOOP_ONESHOT;
2601	})->prio (Coro::PRIO_MAX);	3751	})->prio (Coro::PRIO_MAX);
2602	};	3752	};
2603		3753
2604	cfg_load;	3754	evthread_start IO::AIO::poll_fileno;
		3755
		3756	cf::sync_job {
		3757	cf::incloader::init ();
		3758
		3759	cf::init_anim;
		3760	cf::init_attackmess;
		3761	cf::init_dynamic;
		3762
		3763	cf::load_settings;
		3764
		3765	reload_resources;
		3766	reload_config;
2605	db_init;	3767	db_init;
		3768
		3769	cf::init_uuid;
		3770	cf::init_signals;
		3771	cf::init_skills;
		3772
		3773	cf::init_beforeplay;
		3774
		3775	atomic;
		3776
2606	load_extensions;	3777	load_extensions;
2607		3778
2608	$TICK_WATCHER->start;	3779	utime time, time, $RUNTIMEFILE;
2609	Event::loop;	3780
		3781	# no (long-running) fork's whatsoever before this point(!)
		3782	use POSIX ();
		3783	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3784
		3785	cf::_post_init 0;
		3786	};
		3787
		3788	cf::object::thawer::errors_are_fatal 0;
		3789	info "parse errors in files are no longer fatal from this point on.\n";
		3790
		3791	AE::postpone {
		3792	undef &main; # free gobs of memory :)
		3793	};
		3794
		3795	goto &main_loop;
2610	}	3796	}
2611		3797
2612	#############################################################################	3798	#############################################################################
2613	# initialisation and cleanup	3799	# initialisation and cleanup
2614		3800
2615	# install some emergency cleanup handlers	3801	# install some emergency cleanup handlers
2616	BEGIN {	3802	BEGIN {
		3803	our %SIGWATCHER = ();
2617	for my $signal (qw(INT HUP TERM)) {	3804	for my $signal (qw(INT HUP TERM)) {
2618	Event->signal (	3805	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2619	reentrant => 0,
2620	data => WF_AUTOCANCEL,
2621	signal => $signal,
2622	prio => 0,
2623	cb => sub {
2624	cf::cleanup "SIG$signal";	3806	cf::cleanup "SIG$signal";
2625	},
2626	);	3807	};
		3808	}
		3809	}
		3810
		3811	sub write_runtime_sync {
		3812	my $t0 = AE::time;
		3813
		3814	# first touch the runtime file to show we are still running:
		3815	# the fsync below can take a very very long time.
		3816
		3817	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3818
		3819	my $guard = cf::lock_acquire "write_runtime";
		3820
		3821	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3822	or return;
		3823
		3824	my $value = $cf::RUNTIME + 90 + 10;
		3825	# 10 is the runtime save interval, for a monotonic clock
		3826	# 60 allows for the watchdog to kill the server.
		3827
		3828	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3829	and return;
		3830
		3831	# always fsync - this file is important
		3832	aio_fsync $fh
		3833	and return;
		3834
		3835	# touch it again to show we are up-to-date
		3836	aio_utime $fh, undef, undef;
		3837
		3838	close $fh
		3839	or return;
		3840
		3841	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3842	and return;
		3843
		3844	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3845
2627	}	3846	1
		3847	}
		3848
		3849	our $uuid_lock;
		3850	our $uuid_skip;
		3851
		3852	sub write_uuid_sync($) {
		3853	$uuid_skip ||= $_[0];
		3854
		3855	return if $uuid_lock;
		3856	local $uuid_lock = 1;
		3857
		3858	my $uuid = "$LOCALDIR/uuid";
		3859
		3860	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3861	or return;
		3862
		3863	my $value = uuid_seq uuid_cur;
		3864
		3865	unless ($value) {
		3866	info "cowardly refusing to write zero uuid value!\n";
		3867	return;
		3868	}
		3869
		3870	my $value = uuid_str $value + $uuid_skip;
		3871	$uuid_skip = 0;
		3872
		3873	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3874	and return;
		3875
		3876	# always fsync - this file is important
		3877	aio_fsync $fh
		3878	and return;
		3879
		3880	close $fh
		3881	or return;
		3882
		3883	aio_rename "$uuid~", $uuid
		3884	and return;
		3885
		3886	trace "uuid file written ($value).\n";
		3887
		3888	1
		3889
		3890	}
		3891
		3892	sub write_uuid($$) {
		3893	my ($skip, $sync) = @_;
		3894
		3895	$sync ? write_uuid_sync $skip
		3896	: async { write_uuid_sync $skip };
2628	}	3897	}
2629		3898
2630	sub emergency_save() {	3899	sub emergency_save() {
2631	my $freeze_guard = cf::freeze_mainloop;	3900	my $freeze_guard = cf::freeze_mainloop;
2632		3901
2633	warn "enter emergency perl save\n";	3902	info "emergency_perl_save: enter\n";
		3903
		3904	# this is a trade-off: we want to be very quick here, so
		3905	# save all maps without fsync, and later call a global sync
		3906	# (which in turn might be very very slow)
		3907	local $USE_FSYNC = 0;
2634		3908
2635	cf::sync_job {	3909	cf::sync_job {
		3910	cf::write_runtime_sync; # external watchdog should not bark
		3911
2636	# use a peculiar iteration method to avoid tripping on perl	3912	# use a peculiar iteration method to avoid tripping on perl
2637	# refcount bugs in for. also avoids problems with players	3913	# refcount bugs in for. also avoids problems with players
2638	# and maps saved/destroyed asynchronously.	3914	# and maps saved/destroyed asynchronously.
2639	warn "begin emergency player save\n";	3915	info "emergency_perl_save: begin player save\n";
2640	for my $login (keys %cf::PLAYER) {	3916	for my $login (keys %cf::PLAYER) {
2641	my $pl = $cf::PLAYER{$login} or next;	3917	my $pl = $cf::PLAYER{$login} or next;
2642	$pl->valid or next;	3918	$pl->valid or next;
		3919	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2643	$pl->save;	3920	$pl->save;
2644	}	3921	}
2645	warn "end emergency player save\n";	3922	info "emergency_perl_save: end player save\n";
2646		3923
2647	warn "begin emergency map save\n";	3924	cf::write_runtime_sync; # external watchdog should not bark
		3925
		3926	info "emergency_perl_save: begin map save\n";
2648	for my $path (keys %cf::MAP) {	3927	for my $path (keys %cf::MAP) {
2649	my $map = $cf::MAP{$path} or next;	3928	my $map = $cf::MAP{$path} or next;
2650	$map->valid or next;	3929	$map->valid or next;
2651	$map->save;	3930	$map->save;
2652	}	3931	}
2653	warn "end emergency map save\n";	3932	info "emergency_perl_save: end map save\n";
2654		3933
2655	warn "begin emergency database checkpoint\n";	3934	cf::write_runtime_sync; # external watchdog should not bark
		3935
		3936	info "emergency_perl_save: begin database checkpoint\n";
2656	BDB::db_env_txn_checkpoint $DB_ENV;	3937	BDB::db_env_txn_checkpoint $DB_ENV;
2657	warn "end emergency database checkpoint\n";	3938	info "emergency_perl_save: end database checkpoint\n";
		3939
		3940	info "emergency_perl_save: begin write uuid\n";
		3941	write_uuid_sync 1;
		3942	info "emergency_perl_save: end write uuid\n";
		3943
		3944	cf::write_runtime_sync; # external watchdog should not bark
		3945
		3946	trace "emergency_perl_save: syncing database to disk";
		3947	BDB::db_env_txn_checkpoint $DB_ENV;
		3948
		3949	info "emergency_perl_save: starting sync\n";
		3950	IO::AIO::aio_sync sub {
		3951	info "emergency_perl_save: finished sync\n";
		3952	};
		3953
		3954	cf::write_runtime_sync; # external watchdog should not bark
		3955
		3956	trace "emergency_perl_save: flushing outstanding aio requests";
		3957	while (IO::AIO::nreqs || BDB::nreqs) {
		3958	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3959	}
		3960
		3961	cf::write_runtime_sync; # external watchdog should not bark
2658	};	3962	};
2659		3963
2660	warn "leave emergency perl save\n";	3964	info "emergency_perl_save: leave\n";
2661	}	3965	}
2662		3966
2663	sub post_cleanup {	3967	sub post_cleanup {
2664	my ($make_core) = @_;	3968	my ($make_core) = @_;
2665		3969
		3970	IO::AIO::flush;
		3971
2666	warn Carp::longmess "post_cleanup backtrace"	3972	error Carp::longmess "post_cleanup backtrace"
2667	if $make_core;	3973	if $make_core;
		3974
		3975	my $fh = pidfile;
		3976	unlink $PIDFILE if <$fh> == $$;
		3977	}
		3978
		3979	# a safer delete_package, copied from Symbol
		3980	sub clear_package($) {
		3981	my $pkg = shift;
		3982
		3983	# expand to full symbol table name if needed
		3984	unless ($pkg =~ /^main::.*::$/) {
		3985	$pkg = "main$pkg" if $pkg =~ /^::/;
		3986	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3987	$pkg .= '::' unless $pkg =~ /::$/;
		3988	}
		3989
		3990	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3991	my $stem_symtab = *{$stem}{HASH};
		3992
		3993	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3994	or return;
		3995
		3996	# clear all symbols
		3997	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3998	for my $name (keys %$leaf_symtab) {
		3999	_gv_clear *{"$pkg$name"};
		4000	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4001	}
2668	}	4002	}
2669		4003
2670	sub do_reload_perl() {	4004	sub do_reload_perl() {
2671	# can/must only be called in main	4005	# can/must only be called in main
2672	if ($Coro::current != $Coro::main) {	4006	unless (in_main) {
2673	warn "can only reload from main coroutine";	4007	error "can only reload from main coroutine";
2674	return;	4008	return;
2675	}	4009	}
2676		4010
2677	warn "reloading...";	4011	return if $RELOAD++;
2678		4012
2679	warn "entering sync_job";	4013	my $t1 = AE::time;
2680		4014
		4015	while ($RELOAD) {
		4016	cf::get_slot 0.1, -1, "reload_perl";
		4017	info "perl_reload: reloading...";
		4018
		4019	trace "perl_reload: entering sync_job";
		4020
2681	cf::sync_job {	4021	cf::sync_job {
2682	cf::write_runtime; # external watchdog should not bark
2683	cf::emergency_save;	4022	#cf::emergency_save;
2684	cf::write_runtime; # external watchdog should not bark
2685		4023
2686	warn "syncing database to disk";
2687	BDB::db_env_txn_checkpoint $DB_ENV;
2688
2689	# if anything goes wrong in here, we should simply crash as we already saved
2690
2691	warn "cancelling all WF_AUTOCANCEL watchers";
2692	for (Event::all_watchers) {
2693	$_->cancel if $_->data & WF_AUTOCANCEL;
2694	}
2695
2696	warn "flushing outstanding aio requests";
2697	for (;;) {
2698	BDB::flush;
2699	IO::AIO::flush;
2700	Coro::cede;
2701	last unless IO::AIO::nreqs || BDB::nreqs;
2702	warn "iterate...";
2703	}
2704
2705	++$RELOAD;
2706
2707	warn "cancelling all extension coros";	4024	trace "perl_reload: cancelling all extension coros";
2708	$_->cancel for values %EXT_CORO;	4025	$_->cancel for values %EXT_CORO;
2709	%EXT_CORO = ();	4026	%EXT_CORO = ();
2710		4027
2711	warn "removing commands";	4028	trace "perl_reload: removing commands";
2712	%COMMAND = ();	4029	%COMMAND = ();
2713		4030
2714	warn "removing ext commands";	4031	trace "perl_reload: removing ext/exti commands";
2715	%EXTCMD = ();	4032	%EXTCMD = ();
		4033	%EXTICMD = ();
2716		4034
2717	warn "unloading/nuking all extensions";	4035	trace "perl_reload: unloading/nuking all extensions";
2718	for my $pkg (@EXTS) {	4036	for my $pkg (@EXTS) {
2719	warn "... unloading $pkg";	4037	trace "... unloading $pkg";
2720		4038
2721	if (my $cb = $pkg->can ("unload")) {	4039	if (my $cb = $pkg->can ("unload")) {
2722	eval {	4040	eval {
2723	$cb->($pkg);	4041	$cb->($pkg);
2724	1	4042	1
2725	} or warn "$pkg unloaded, but with errors: $@";	4043	} or error "$pkg unloaded, but with errors: $@";
		4044	}
		4045
		4046	trace "... clearing $pkg";
		4047	clear_package $pkg;
2726	}	4048	}
2727		4049
2728	warn "... nuking $pkg";
2729	Symbol::delete_package $pkg;
2730	}
2731
2732	warn "unloading all perl modules loaded from $LIBDIR";	4050	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2733	while (my ($k, $v) = each %INC) {	4051	while (my ($k, $v) = each %INC) {
2734	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4052	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2735		4053
2736	warn "... unloading $k";	4054	trace "... unloading $k";
2737	delete $INC{$k};	4055	delete $INC{$k};
2738		4056
2739	$k =~ s/\.pm$//;	4057	$k =~ s/\.pm$//;
2740	$k =~ s/\//::/g;	4058	$k =~ s/\//::/g;
2741		4059
2742	if (my $cb = $k->can ("unload_module")) {	4060	if (my $cb = $k->can ("unload_module")) {
2743	$cb->();	4061	$cb->();
		4062	}
		4063
		4064	clear_package $k;
2744	}	4065	}
2745		4066
2746	Symbol::delete_package $k;
2747	}
2748
2749	warn "getting rid of safe::, as good as possible";	4067	trace "perl_reload: getting rid of safe::, as good as possible";
2750	Symbol::delete_package "safe::$_"	4068	clear_package "safe::$_"
2751	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4069	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2752		4070
2753	warn "unloading cf.pm \"a bit\"";	4071	trace "perl_reload: unloading cf.pm \"a bit\"";
2754	delete $INC{"cf.pm"};	4072	delete $INC{"cf.pm"};
2755	delete $INC{"cf/pod.pm"};	4073	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2756		4074
2757	# don't, removes xs symbols, too,	4075	# don't, removes xs symbols, too,
2758	# and global variables created in xs	4076	# and global variables created in xs
2759	#Symbol::delete_package __PACKAGE__;	4077	#clear_package __PACKAGE__;
2760		4078
2761	warn "unload completed, starting to reload now";	4079	info "perl_reload: unload completed, starting to reload now";
2762		4080
2763	warn "reloading cf.pm";	4081	trace "perl_reload: reloading cf.pm";
2764	require cf;	4082	require cf;
2765	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4083	cf::_connect_to_perl_1;
2766		4084
2767	warn "loading config and database again";	4085	trace "perl_reload: loading config and database again";
2768	cf::cfg_load;	4086	cf::reload_config;
2769		4087
2770	warn "loading extensions";	4088	trace "perl_reload: loading extensions";
2771	cf::load_extensions;	4089	cf::load_extensions;
2772		4090
		4091	if ($REATTACH_ON_RELOAD) {
2773	warn "reattaching attachments to objects/players";	4092	trace "perl_reload: reattaching attachments to objects/players";
2774	_global_reattach; # objects, sockets	4093	_global_reattach; # objects, sockets
2775	warn "reattaching attachments to maps";	4094	trace "perl_reload: reattaching attachments to maps";
2776	reattach $_ for values %MAP;	4095	reattach $_ for values %MAP;
2777	warn "reattaching attachments to players";	4096	trace "perl_reload: reattaching attachments to players";
2778	reattach $_ for values %PLAYER;	4097	reattach $_ for values %PLAYER;
		4098	}
2779		4099
2780	warn "leaving sync_job";	4100	cf::_post_init 1;
2781		4101
		4102	trace "perl_reload: leaving sync_job";
		4103
2782	1	4104	1
2783	} or do {	4105	} or do {
2784	warn $@;	4106	error $@;
2785	warn "error while reloading, exiting.";	4107	cf::cleanup "perl_reload: error, exiting.";
2786	exit 1;	4108	};
		4109
		4110	--$RELOAD;
2787	};	4111	}
2788		4112
2789	warn "reloaded";	4113	$t1 = AE::time - $t1;
		4114	info "perl_reload: completed in ${t1}s\n";
2790	};	4115	};
2791		4116
2792	our $RELOAD_WATCHER; # used only during reload	4117	our $RELOAD_WATCHER; # used only during reload
2793		4118
2794	sub reload_perl() {	4119	sub reload_perl() {
2795	# doing reload synchronously and two reloads happen back-to-back,	4120	# doing reload synchronously and two reloads happen back-to-back,
2796	# coro crashes during coro_state_free->destroy here.	4121	# coro crashes during coro_state_free->destroy here.
2797		4122
2798	$RELOAD_WATCHER ||= Event->timer (	4123	$RELOAD_WATCHER ||= cf::async {
2799	reentrant => 0,	4124	Coro::AIO::aio_wait cache_extensions;
2800	after => 0,	4125
2801	data => WF_AUTOCANCEL,	4126	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2802	cb => sub {
2803	do_reload_perl;	4127	do_reload_perl;
2804	undef $RELOAD_WATCHER;	4128	undef $RELOAD_WATCHER;
2805	},	4129	};
2806	);	4130	};
2807	}	4131	}
2808		4132
2809	register_command "reload" => sub {	4133	register_command "reload" => sub {
2810	my ($who, $arg) = @_;	4134	my ($who, $arg) = @_;
2811		4135
2812	if ($who->flag (FLAG_WIZ)) {	4136	if ($who->flag (FLAG_WIZ)) {
2813	$who->message ("reloading server.");	4137	$who->message ("reloading server.");
		4138	async {
		4139	$Coro::current->{desc} = "perl_reload";
2814	async { reload_perl };	4140	reload_perl;
		4141	};
2815	}	4142	}
2816	};	4143	};
2817		4144
2818	unshift @INC, $LIBDIR;	4145	#############################################################################
2819		4146
2820	my $bug_warning = 0;	4147	my $bug_warning = 0;
2821		4148
2822	our @WAIT_FOR_TICK;
2823	our @WAIT_FOR_TICK_BEGIN;
2824
2825	sub wait_for_tick {	4149	sub wait_for_tick() {
2826	return unless $TICK_WATCHER->is_active;	4150	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2827	return if $Coro::current == $Coro::main;
2828		4151
2829	my $signal = new Coro::Signal;	4152	$WAIT_FOR_TICK->wait;
2830	push @WAIT_FOR_TICK, $signal;
2831	$signal->wait;
2832	}	4153	}
2833		4154
2834	sub wait_for_tick_begin {	4155	sub wait_for_tick_begin() {
2835	return unless $TICK_WATCHER->is_active;	4156	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2836	return if $Coro::current == $Coro::main;
2837		4157
2838	my $signal = new Coro::Signal;	4158	my $signal = new Coro::Signal;
2839	push @WAIT_FOR_TICK_BEGIN, $signal;	4159	push @WAIT_FOR_TICK_BEGIN, $signal;
2840	$signal->wait;	4160	$signal->wait;
2841	}	4161	}
2842		4162
2843	my $min = 1e6;#d#	4163	sub tick {
2844	my $avg = 10;
2845	$TICK_WATCHER = Event->timer (
2846	reentrant => 0,
2847	parked => 1,
2848	prio => 0,
2849	at => $NEXT_TICK || $TICK,
2850	data => WF_AUTOCANCEL,
2851	cb => sub {
2852	if ($Coro::current != $Coro::main) {	4164	if ($Coro::current != $Coro::main) {
2853	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4165	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2854	unless ++$bug_warning > 10;	4166	unless ++$bug_warning > 10;
2855	return;	4167	return;
2856	}	4168	}
2857		4169
2858	$NOW = $tick_start = Event::time;	4170	cf::one_tick; # one server iteration
2859		4171
2860	cf::server_tick; # one server iteration	4172	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2861		4173
2862	0 && sync_job {#d#	4174	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2863	for(1..10) {	4175	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2864	my $t = Event::time;	4176	Coro::async_pool {
2865	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4177	$Coro::current->{desc} = "runtime saver";
2866	or die;	4178	write_runtime_sync
2867		4179	or error "ERROR: unable to write runtime file: $!";
2868	$map->width (50);
2869	$map->height (50);
2870	$map->alloc;
2871	$map->_load_objects ("/tmp/x.map", 1);
2872	my $t = Event::time - $t;
2873
2874	#next unless $t < 0.0013;#d#
2875	if ($t < $min) {
2876	$min = $t;
2877	}
2878	$avg = $avg * 0.99 + $t * 0.01;
2879	}
2880	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2881	exit 0;
2882	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2883	};	4180	};
		4181	}
2884		4182
2885	$RUNTIME += $TICK;
2886	$NEXT_TICK += $TICK;
2887
2888	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2889	$NEXT_RUNTIME_WRITE = $NOW + 10;
2890	Coro::async_pool {
2891	write_runtime
2892	or warn "ERROR: unable to write runtime file: $!";
2893	};
2894	}
2895
2896	# my $AFTER = Event::time;
2897	# warn $AFTER - $NOW;#d#
2898
2899	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4183	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2900	$sig->send;	4184	$sig->send;
2901	}	4185	}
2902	while (my $sig = shift @WAIT_FOR_TICK) {	4186	$WAIT_FOR_TICK->broadcast;
2903	$sig->send;
2904	}
2905		4187
2906	$NOW = Event::time;	4188	$LOAD = ($NOW - $TICK_START) / $TICK;
2907
2908	# if we are delayed by four ticks or more, skip them all
2909	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2910
2911	$TICK_WATCHER->at ($NEXT_TICK);
2912	$TICK_WATCHER->start;
2913
2914	$LOAD = ($NOW - $tick_start) / $TICK;
2915	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4189	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2916		4190
2917	_post_tick;	4191	if (0) {
2918		4192	if ($NEXT_TICK) {
2919		4193	my $jitter = $TICK_START - $NEXT_TICK;
		4194	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4195	debug "jitter $JITTER\n";#d#
		4196	}
2920	},	4197	}
2921	);	4198	}
2922		4199
2923	{	4200	{
2924	BDB::max_poll_time $TICK * 0.1;	4201	# configure BDB
2925	$BDB_POLL_WATCHER = Event->io (	4202
2926	reentrant => 0,
2927	fd => BDB::poll_fileno,
2928	poll => 'r',
2929	prio => 0,
2930	data => WF_AUTOCANCEL,
2931	cb => \&BDB::poll_cb,
2932	);
2933	BDB::min_parallel 8;	4203	BDB::min_parallel 16;
2934		4204	BDB::max_poll_reqs $TICK * 0.1;
2935	BDB::set_sync_prepare {	4205	#$AnyEvent::BDB::WATCHER->priority (1);
2936	my $status;
2937	my $current = $Coro::current;
2938	(
2939	sub {
2940	$status = $!;
2941	$current->ready; undef $current;
2942	},
2943	sub {
2944	Coro::schedule while defined $current;
2945	$! = $status;
2946	},
2947	)
2948	};
2949		4206
2950	unless ($DB_ENV) {	4207	unless ($DB_ENV) {
2951	$DB_ENV = BDB::db_env_create;	4208	$DB_ENV = BDB::db_env_create;
		4209	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4210	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4211	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4212	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4213	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2952		4214
2953	cf::sync_job {	4215	cf::sync_job {
2954	eval {	4216	eval {
2955	BDB::db_env_open	4217	BDB::db_env_open
2956	$DB_ENV,	4218	$DB_ENV,
…		…
2958	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4220	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2959	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4221	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2960	0666;	4222	0666;
2961		4223
2962	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4224	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2963
2964	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2965	$DB_ENV->set_lk_detect;
2966	};	4225	};
2967		4226
2968	cf::cleanup "db_env_open(db): $@" if $@;	4227	cf::cleanup "db_env_open(db): $@" if $@;
2969	};	4228	};
2970	}	4229	}
		4230
		4231	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4232	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4233	};
		4234	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4235	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4236	};
		4237	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4238	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4239	};
2971	}	4240	}
2972		4241
2973	{	4242	{
		4243	# configure IO::AIO
		4244
2974	IO::AIO::min_parallel 8;	4245	IO::AIO::min_parallel 8;
2975
2976	undef $Coro::AIO::WATCHER;
2977	IO::AIO::max_poll_time $TICK * 0.1;	4246	IO::AIO::max_poll_time $TICK * 0.1;
2978	$AIO_POLL_WATCHER = Event->io (	4247	undef $AnyEvent::AIO::WATCHER;
2979	reentrant => 0,
2980	data => WF_AUTOCANCEL,
2981	fd => IO::AIO::poll_fileno,
2982	poll => 'r',
2983	prio => 6,
2984	cb => \&IO::AIO::poll_cb,
2985	);
2986	}	4248	}
2987		4249
2988	my $_log_backtrace;	4250	our $_log_backtrace;
		4251	our $_log_backtrace_last;
2989		4252
2990	sub _log_backtrace {	4253	sub _log_backtrace {
2991	my ($msg, @addr) = @_;	4254	my ($msg, @addr) = @_;
2992		4255
2993	$msg =~ s/\n//;	4256	$msg =~ s/\n$//;
2994		4257
		4258	if ($_log_backtrace_last eq $msg) {
		4259	LOG llevInfo, "[ABT] $msg\n";
		4260	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2995	# limit the # of concurrent backtraces	4261	# limit the # of concurrent backtraces
2996	if ($_log_backtrace < 2) {	4262	} elsif ($_log_backtrace < 2) {
		4263	$_log_backtrace_last = $msg;
2997	++$_log_backtrace;	4264	++$_log_backtrace;
		4265	my $perl_bt = Carp::longmess $msg;
2998	async {	4266	async {
		4267	$Coro::current->{desc} = "abt $msg";
		4268
2999	my @bt = fork_call {	4269	my @bt = fork_call {
3000	@addr = map { sprintf "%x", $_ } @addr;	4270	@addr = map { sprintf "%x", $_ } @addr;
3001	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4271	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3002	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4272	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3003	or die "addr2line: $!";	4273	or die "addr2line: $!";
…		…
3011	}	4281	}
3012		4282
3013	@funcs	4283	@funcs
3014	};	4284	};
3015		4285
3016	LOG llevInfo, "[ABT] $msg\n";	4286	LOG llevInfo, "[ABT] $perl_bt\n";
		4287	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3017	LOG llevInfo, "[ABT] $_\n" for @bt;	4288	LOG llevInfo, "[ABT] $_\n" for @bt;
3018	--$_log_backtrace;	4289	--$_log_backtrace;
3019	};	4290	};
3020	} else {	4291	} else {
3021	LOG llevInfo, "[ABT] $msg\n";	4292	LOG llevInfo, "[ABT] $msg\n";
3022	LOG llevInfo, "[ABT] [suppressed]\n";	4293	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3023	}	4294	}
3024	}	4295	}
3025		4296
3026	# load additional modules	4297	# load additional modules
3027	use cf::pod;	4298	require "cf/$_.pm" for @EXTRA_MODULES;
		4299	cf::_connect_to_perl_2;
3028		4300
3029	END { cf::emergency_save }	4301	END { cf::emergency_save }
3030		4302
3031	1	4303	1
3032		4304

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