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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.337 by root, Tue Aug 21 00:54:01 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 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 3.64 ();	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;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS 1.4 ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.32 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	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;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	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;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	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
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
81	our $NOW;	138	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off
83		139
84	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
85	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
86
87	our %CFG;
88
89	our $UPTIME; $UPTIME ||= time;
90	our $RUNTIME;
91
92	our %PLAYER; # all users
93	our %MAP; # all maps
94	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
95		143
96	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98		146
99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
100	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
101	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
102		159
103	binmode STDOUT;	160	binmode STDOUT;
104	binmode STDERR;	161	binmode STDERR;
105		162
106	# read virtual server time, if available	163	# read virtual server time, if available
107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
108	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
109	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
110	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
111	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
112		171
113	mkdir $_	172	mkdir $_
114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
115		174
116	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
117		176
118	sub cf::map::normalise;	177	sub cf::map::normalise;
119		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
120	#############################################################################	183	#############################################################################
121		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
122	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
123		197
124	=over 4	198	=over 4
125		199
126	=item $cf::UPTIME	200	=item $cf::UPTIME
127		201
128	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
129		218
130	=item $cf::RUNTIME	219	=item $cf::RUNTIME
131		220
132	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
133	every server tick.	222	every server tick.
…		…
139	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
141	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
142	database environment.	231	database environment.
143		232
144	=item $cf::NOW
145
146	The time of the last (current) server tick.
147
148	=item $cf::TICK
149
150	The interval between server ticks, in seconds.
151
152	=item $cf::LOADAVG	233	=item $cf::LOADAVG
153		234
154	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
159		240
160	The raw value load value from the last tick.	241	The raw value load value from the last tick.
161		242
162	=item %cf::CFG	243	=item %cf::CFG
163		244
164	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
165	from wherever your confdir points to.	246	from wherever your confdir points to.
166		247
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		249
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
173	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
174		272
175	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
177	that call.	275	that call.
178		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
179	=back	283	=back
180		284
181	=cut	285	=cut
182		286
183	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
184	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
185	my $msg = join "", @_;	294	my $msg = join "", @_;
186		295
187	$msg .= "\n"	296	$msg .= "\n"
188	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
189		298
190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191		300
192	utf8::encode $msg;
193	LOG llevError, $msg;	301	LOG llevWarn, $msg;
194	};	302	};
195	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
196		317
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	328	for my $pkg (qw(
208	cf::global cf::attachable	329	cf::global cf::attachable
209	cf::object cf::object::player	330	cf::object cf::object::player
210	cf::client cf::player	331	cf::client cf::player
211	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
212	cf::map cf::party cf::region	334	cf::party cf::region
213	)) {	335	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	337	}
217		338
218	$Event::DIED = sub {	339	$EV::DIED = sub {
219	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
220	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
221		347
222	#############################################################################	348	#############################################################################
223		349
224	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
225		351
…		…
246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
247	$d	373	$d
248	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
249	}	375	}
250		376
		377	=item $scalar = load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
251	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
252		392
253	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
254		394
255	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
256		396
257	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
258		398
259	=cut	399	=cut
260		400
261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
262		402
263	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
265		467
266	=item cf::lock_wait $string	468	=item cf::lock_wait $string
267		469
268	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
269		471
270	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
271		473
272	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
274	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
275	returned.	477	returned.
276		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
277	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
278	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
279		484
280	=item $locked = cf::lock_active $string	485	=item $locked = cf::lock_active $string
281		486
282	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
283		488
284	=cut	489	=cut
285		490
286	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
287		492
288	sub lock_wait($) {	493	sub lock_wait($) {
289	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
290
291	# wait for lock, if any
292	while ($LOCK{$key}) {
293	push @{ $LOCK{$key} }, $Coro::current;
294	Coro::schedule;
295	}
296	}	495	}
297		496
298	sub lock_acquire($) {	497	sub lock_acquire($) {
299	my ($key) = @_;	498	$LOCKS->guard ($_[0])
300
301	# wait, to be sure we are not locked
302	lock_wait $key;
303
304	$LOCK{$key} = [];
305
306	Coro::guard {
307	# wake up all waiters, to be on the safe side
308	$_->ready for @{ delete $LOCK{$key} };
309	}
310	}	499	}
311		500
312	sub lock_active($) {	501	sub lock_active($) {
313	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
314
315	! ! $LOCK{$key}
316	}	503	}
317		504
318	sub freeze_mainloop {	505	sub freeze_mainloop {
319	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
320		507
321	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
322	$TICK_WATCHER->start;	509	}
323	};	510
324	$TICK_WATCHER->stop;	511	=item cf::periodic $interval, $cb
325	$guard	512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
326	}	524	}
327		525
328	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
329		527
330	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
331	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
332	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
333		535
334	The optional C<$name> can be used to identify the job to run. It might be	536	The optional C<$name> can be used to identify the job to run. It might be
335	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
336		538
337	Useful for short background jobs.	539	Useful for short background jobs.
338		540
339	=cut	541	=cut
340		542
341	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
342	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
343		546
344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
345	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
346	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
347		553
348	while () {	554	while () {
349	next_job:	555	next_job:
		556
350	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
351	if ($avail > 0.01) {	558
352	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
353	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
354	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
355	$job->[2]->send;	563	$job->[2]->send;
356	Coro::cede;	564	Coro::cede;
357	goto next_job;	565	goto next_job;
358	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
359	}	568	}
360	}	569	}
361		570
362	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
363	# we do not use wait_For_tick() as it returns immediately when tick is inactive	572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
364	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
365	$signal->wait;
366	} else {	574	} else {
		575	$busy = 0;
367	Coro::schedule;	576	Coro::schedule;
368	}	577	}
369	}	578	}
370	};	579	};
371		580
372	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
373	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
374		585
375	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
376	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
377		589
378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
380	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
391		603
392	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
393		605
394	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
395		607
396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
397	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
399	acceptable.	611	acceptable.
400		612
401	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
402	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
406	=cut	618	=cut
407		619
408	sub sync_job(&) {	620	sub sync_job(&) {
409	my ($job) = @_;	621	my ($job) = @_;
410		622
411	if ($Coro::current == $Coro::main) {	623	if (in_main) {
412	my $time = Event::time;	624	my $time = AE::time;
413		625
414	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
415	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
416		628
417	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
418	# (but this is cancel-safe)	630
419	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
420		632
421	my $busy = 1;	633	my $busy = 1;
422	my @res;	634	my @res;
423		635
424	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
425	@res = eval { $job->() };	638	@res = eval { $job->() };
426	warn $@ if $@;	639	error $@ if $@;
427	undef $busy;	640	undef $busy;
428	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
429		642
430	while ($busy) {	643	while ($busy) {
431	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
432	}	648	}
		649	}
433		650
434	$time = Event::time - $time;	651	my $time = AE::time - $time;
435		652
436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
438
439	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
440		654
441	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
442	} else {	656	} else {
443	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
444		658
…		…
464	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
465		679
466	$coro	680	$coro
467	}	681	}
468		682
469	=item fork_call { }, $args	683	=item fork_call { }, @args
470		684
471	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
472	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
473	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
474	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
475		689
476	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
477		695
478	sub fork_call(&@) {	696	sub fork_call(&@) {
479	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
480		698
481	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
482	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
483	# TODO: investigate and fix (liekly this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
484		702
485	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
486	reset_signals;	704	cf::post_fork;
487	&$cb	705	&$cb
488	}, @args;	706	} @args;
489		707
490	wantarray ? @res : $res[-1]	708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
		712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
491	}	747	}
492		748
493	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
494		750
495	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
497	=item cf::db_put $family => $key => $value	753	=item cf::db_put $family => $key => $value
498		754
499	Stores the given C<$value> in the family. It can currently store binary	755	Stores the given C<$value> in the family. It can currently store binary
500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
501		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
502	=cut	763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
503		784
504	our $DB;	785	our $DB;
505		786
506	sub db_init {	787	sub db_init {
507	unless ($DB) {	788	$DB ||= db_table "db";
508	$DB = BDB::db_create $DB_ENV;
509
510	cf::sync_job {
511	eval {
512	$DB->set_flags (BDB::CHKSUM);
513
514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
516	cf::cleanup "db_open(db): $!" if $!;
517	};
518	cf::cleanup "db_open(db): $@" if $@;
519	};
520	}
521	}	789	}
522		790
523	sub db_get($$) {	791	sub db_get($$) {
524	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
525		793
526	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
527	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
528		798
529	$! ? ()	799	$! ? ()
530	: $data	800	: $data
531	}
532	}	801	}
533		802
534	sub db_put($$$) {	803	sub db_put($$$) {
535	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
564		833
565	my @data;	834	my @data;
566	my $md5;	835	my $md5;
567		836
568	for (0 .. $#$src) {	837	for (0 .. $#$src) {
569	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
570	or Carp::croak "$src->[$_]: $!";
571	}	839	}
572		840
573	# if processing is expensive, check	841	# if processing is expensive, check
574	# checksum first	842	# checksum first
575	if (1) {	843	if (1) {
576	$md5 =	844	$md5 =
577	join "\x00",	845	join "\x00",
578	$processversion,	846	$processversion,
579	map {	847	map {
580	Coro::cede;	848	cf::cede_to_tick;
581	($src->[$_], Digest::MD5::md5_hex $data[$_])	849	($src->[$_], Digest::MD5::md5_hex $data[$_])
582	} 0.. $#$src;	850	} 0.. $#$src;
583		851
584		852
585	my $dbmd5 = db_get cache => "$id/md5";	853	my $dbmd5 = db_get cache => "$id/md5";
…		…
592		860
593	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
594	my $data = $process->(\@data);	862	my $data = $process->(\@data);
595	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
596		864
597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
598		866
599	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
600	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
601	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
602		870
…		…
612		880
613	=cut	881	=cut
614		882
615	sub datalog($@) {	883	sub datalog($@) {
616	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
618	}	886	}
619		887
620	=back	888	=back
621		889
622	=cut	890	=cut
623		891
624	#############################################################################	892	#############################################################################
625		893
626	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
627		895
628	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
629	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
630	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
631		899
632	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
633	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
634	Crossfire TRT).	902	Deliantra).
635		903
636	=over 4	904	=over 4
637		905
638	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
639		907
…		…
683	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
684		952
685	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
686	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
687		955
688	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
689	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
690		958
691	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
692		960
693	=over 4	961	=over 4
…		…
817		1085
818	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
819	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
820		1088
821	} elsif (ref $type) {	1089	} elsif (ref $type) {
822	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
823		1091
824	} else {	1092	} else {
825	shift @arg;	1093	shift @arg;
826	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
827	}	1095	}
828	}	1096	}
829	}	1097	}
830		1098
831	sub _object_attach {	1099	sub _object_attach {
…		…
841	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
842	}	1110	}
843		1111
844	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
845	} else {	1113	} else {
846	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
847	}	1115	}
848		1116
849	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
850	}	1118	}
851		1119
…		…
910		1178
911	for (@$callbacks) {	1179	for (@$callbacks) {
912	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
913		1181
914	if ($@) {	1182	if ($@) {
915	warn "$@";
916	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
917	override;	1184	override;
918	}	1185	}
919		1186
920	return 1 if $override;	1187	return 1 if $override;
921	}	1188	}
922		1189
923	0	1190	0
924	}	1191	}
925		1192
926	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
927		1194
928	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
929		1196
930	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
931		1198
…		…
937		1204
938	=cut	1205	=cut
939		1206
940	#############################################################################	1207	#############################################################################
941	# object support	1208	# object support
942	#
943		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
944	sub _can_merge {	1243	sub _can_merge {
945	my ($ob1, $ob2) = @_;	1244	my ($ob1, $ob2) = @_;
946		1245
947	local $Storable::canonical = 1;	1246	++$SLOW_MERGES;#d#
948	my $fob1 = Storable::freeze $ob1;
949	my $fob2 = Storable::freeze $ob2;
950		1247
951	$fob1 eq $fob2	1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
952	}	1250	}
953		1251
954	sub reattach {	1252	sub reattach {
955	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
956	my ($obj) = @_;	1254	my ($obj) = @_;
957		1255
		1256	# no longer needed after getting rid of delete_package?
958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
959		1258
960	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
961		1260
962	@$registry = ();	1261	@$registry = ();
963		1262
…		…
968	for (@$attach) {	1267	for (@$attach) {
969	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
970	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
971	}	1270	}
972	} else {	1271	} else {
973	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
974	}	1273	}
975	}	1274	}
976	}	1275	}
977		1276
978	cf::attachable->attach (	1277	cf::attachable->attach (
979	prio => -1000000,	1278	prio => -1000000,
980	on_instantiate => sub {	1279	on_instantiate => sub {
981	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
982		1281
983	$data = from_json $data;	1282	$data = decode_json $data;
984		1283
985	for (@$data) {	1284	for (@$data) {
986	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
987		1286
988	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
1004	sub object_freezer_save {	1303	sub object_freezer_save {
1005	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1006		1305
1007	sync_job {	1306	sync_job {
1008	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
1009	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1010	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1011		1312
1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1013	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1015	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	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;
		1318	aio_fsync $fh;
		1319	}
1016	close $fh;	1320	aio_close $fh;
1017		1321
1018	if (@$objs) {	1322	if (@$objs) {
1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1020	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1021	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1022	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1023	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	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;
		1329	aio_fsync $fh;
		1330	}
1024	close $fh;	1331	aio_close $fh;
1025	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1026	}	1333	}
1027	} else {	1334	} else {
1028	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1029	}	1336	}
1030		1337
1031	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1032	} else {	1342	} else {
1033	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1034	}	1344	}
1035	} else {	1345	} else {
1036	aio_unlink $filename;	1346	aio_unlink $filename;
1037	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1038	}	1348	}
1039	}	1349	};
1040	}	1350	}
1041		1351
1042	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
1043	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
1044		1354
…		…
1056	or return;	1366	or return;
1057		1367
1058	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
1059	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
1060	or return;	1370	or return;
		1371
1061	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
1062	}	1374	}
1063		1375
		1376	utf8::decode (my $decname = $filename);
1064	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1065	$filename, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
1066	return ($data, $av);	1381	($data, $av)
1067	}	1382	}
1068		1383
1069	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
1070		1385
1071	=over 4	1386	=over 4
…		…
1125	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1126		1441
1127	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1128	}	1443	}
1129		1444
		1445	use File::Glob ();
		1446
1130	cf::player->attach (	1447	cf::player->attach (
1131	on_command => sub {	1448	on_unknown_command => sub {
1132	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1133		1450
1134	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1135	or return;	1452	or return;
1136		1453
…		…
1149	my ($type, $reply, @payload) =	1466	my ($type, $reply, @payload) =
1150	"ARRAY" eq ref $msg	1467	"ARRAY" eq ref $msg
1151	? @$msg	1468	? @$msg
1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	1469	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153		1470
		1471	my @reply;
		1472
1154	if (my $cb = $EXTCMD{$type}) {	1473	if (my $cb = $EXTCMD{$type}) {
1155	my @reply = $cb->($pl, @payload);	1474	@reply = $cb->($pl, @payload);
1156
1157	$pl->ext_reply ($reply, @reply)
1158	if $reply;
1159	}	1475	}
		1476
		1477	$pl->ext_reply ($reply, @reply)
		1478	if $reply;
		1479
1160	} else {	1480	} else {
1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162	}	1482	}
1163		1483
1164	cf::override;	1484	cf::override;
1165	},	1485	},
1166	);	1486	);
1167		1487
		1488	# "readahead" all extensions
		1489	sub cache_extensions {
		1490	my $grp = IO::AIO::aio_group;
		1491
		1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1493	for (grep /\.ext$/, @{$_[0]}) {
		1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1495	}
		1496	};
		1497
		1498	$grp
		1499	}
		1500
1168	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1169	cf::sync_job {	1504	cf::sync_job {
1170	my %todo;	1505	my %todo;
1171		1506
1172	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1173	next unless -r $path;	1508	next unless -r $path;
…		…
1191		1526
1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1194		1529
1195	$ext{source} =	1530	$ext{source} =
1196	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1197	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1198	. $source	1533	. $source
1199	. "\n};\n1";	1534	. "\n};\n1";
1200		1535
1201	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1202	}	1537	}
1203		1538
		1539	my $pass = 0;
1204	my %done;	1540	my %done;
1205	while (%todo) {	1541	while (%todo) {
1206	my $progress;	1542	my $progress;
1207		1543
		1544	++$pass;
		1545
		1546	ext:
1208	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1209	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1210	goto skip	1549	next ext
1211	unless exists $done{$_};	1550	unless exists $done{$_};
1212	}	1551	}
1213		1552
1214	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1215		1554
1216	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1217	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1218	: "$v->{base}: extension inactive.\n";
1219		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1220	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1221	warn $msg;	1562
1222	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1223	exit 1;	1564	delete $todo{$k};
1224	}	1565	} else {
1225		1566	$done{$k} = delete $todo{$k};
1226	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1227	}	1572	}
1228
1229	$done{$k} = delete $todo{$k};
1230	push @EXTS, $v->{pkg};
1231	$progress = 1;
1232	}	1573	}
1233		1574
1234	skip:	1575	unless ($progress) {
1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1236	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1237	}	1585	}
1238	};	1586	};
1239	}	1587	}
1240		1588
1241	#############################################################################	1589	#############################################################################
1242		1590
1243	=back	1591	=back
1244		1592
1245	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1246		1594
1247	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1248		1596
1249	=cut	1597	=cut
1250		1598
1251	package cf::player;	1599	package cf::player;
1252		1600
1253	use Coro::AIO;	1601	use Coro::AIO;
1254		1602
1255	=head3 cf::player	1603	=head3 cf::player
1256		1604
1257	=over 4	1605	=over 4
		1606
		1607	=item cf::player::num_playing
		1608
		1609	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1610
		1611	=cut
		1612
		1613	sub num_playing {
		1614	scalar grep
		1615	$_->ob->map
		1616	&& !$_->hidden
		1617	&& !$_->ob->flag (cf::FLAG_WIZ),
		1618	cf::player::list
		1619	}
1258		1620
1259	=item cf::player::find $login	1621	=item cf::player::find $login
1260		1622
1261	Returns the given player object, loading it if necessary (might block).	1623	Returns the given player object, loading it if necessary (might block).
1262		1624
…		…
1281		1643
1282	sub exists($) {	1644	sub exists($) {
1283	my ($login) = @_;	1645	my ($login) = @_;
1284		1646
1285	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1286	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1287	}	1649	}
1288		1650
1289	sub find($) {	1651	sub find($) {
1290	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1291	my $login = $_[0];	1653	my $login = $_[0];
…		…
1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1660	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1661	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1662	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1301	aio_unlink +(playerdir $login) . "/$login.pl";	1663	aio_unlink +(playerdir $login) . "/$login.pl";
1302		1664
1303	my $pl = load_pl path $login	1665	my $f = new_from_file cf::object::thawer path $login
1304	or return;	1666	or return;
		1667
		1668	my $pl = cf::player::load_pl $f
		1669	or return;
		1670
		1671	local $cf::PLAYER_LOADING{$login} = $pl;
		1672	$f->resolve_delayed_derefs;
1305	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1306	}	1674	}
1307	}	1675	}
1308	}	1676	}
		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
1309		1690
1310	sub save($) {	1691	sub save($) {
1311	my ($pl) = @_;	1692	my ($pl) = @_;
1312		1693
1313	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
…		…
1318	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1319		1700
1320	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1321	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
1322		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1708
1323	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1324	Coro::cede;	1710	cf::cede_to_tick;
1325	}	1711	}
1326		1712
1327	sub new($) {	1713	sub new($) {
1328	my ($login) = @_;	1714	my ($login) = @_;
1329		1715
…		…
1358	my ($pl) = @_;	1744	my ($pl) = @_;
1359		1745
1360	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1361		1747
1362	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1363	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1364		1750
1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1366	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1368	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1369		1759
1370	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1371	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1372	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1407	or return [];	1797	or return [];
1408		1798
1409	my @logins;	1799	my @logins;
1410		1800
1411	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
		1802	my $path = path $login;
		1803
		1804	# a .pst is a dead give-away for a valid player
		1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1413	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1414	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1810	}
1415		1811
1416	utf8::decode $login;	1812	utf8::decode $login;
1417	push @logins, $login;	1813	push @logins, $login;
1418	}	1814	}
1419		1815
1420	\@logins	1816	\@logins
1421	}	1817	}
1422		1818
1423	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1424		1822
1425	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1426	player. May block.	1824	player. May block.
1427		1825
1428	=cut	1826	=cut
…		…
1446	}	1844	}
1447		1845
1448	\@paths	1846	\@paths
1449	}	1847	}
1450		1848
1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1452		1850
1453	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1454
1455	=cut
1456
1457	sub expand_cfpod {
1458	((my $self), (local $_)) = @_;
1459
1460	# escape & and <
1461	s/&/&amp;/g;
1462	s/(?<![BIUGH])</&lt;/g;
1463
1464	# this is buggy, it needs to properly take care of nested <'s
1465
1466	1 while
1467	# replace B<>, I<>, U<> etc.
1468	s/B<([^\>]*)>/<b>$1<\/b>/
1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
1471	# replace G<male|female> tags
1472	|| s{G<([^>|]*)\|([^>]*)>}{
1473	$self->gender ? $2 : $1
1474	}ge
1475	# replace H<hint text>
1476	|| s{H<([^\>]*)>}
1477	{
1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1480	"")
1481	[$self->{hintmode}]
1482	}ge;
1483
1484	# create single paragraphs (very hackish)
1485	s/(?<=\S)\n(?=\w)/ /g;
1486
1487	# compress some whitespace
1488	s/\s+\n/\n/g; # ws line-ends
1489	s/\n\n+/\n/g; # double lines
1490	s/^\n+//; # beginning lines
1491	s/\n+$//; # ending lines
1492
1493	$_
1494	}
1495
1496	sub hintmode {
1497	$_[0]{hintmode} = $_[1] if @_ > 1;
1498	$_[0]{hintmode}
1499	}
1500		1852
1501	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1502		1854
1503	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1504		1856
…		…
1536		1888
1537	=cut	1889	=cut
1538		1890
1539	sub find_by_path($) {	1891	sub find_by_path($) {
1540	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1541		1895
1542	my ($match, $specificity);	1896	my ($match, $specificity);
1543		1897
1544	for my $region (list) {	1898	for my $region (list) {
1545	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1571	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1572	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1573		1927
1574	sub generate_random_map {	1928	sub generate_random_map {
1575	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1576	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1577	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1581	$rmp->{exit_on_final_map},
1582	$rmp->{xsize}, $rmp->{ysize},
1583	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1584	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1585	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1586	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1587	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1588	(cf::region::find $rmp->{region}), $rmp->{custom}
1589	)
1590	}	1934	}
1591		1935
1592	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1593		1937
1594	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1599		1943
1600	sub register {	1944	sub register {
1601	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1602	my $pkg = caller;	1946	my $pkg = caller;
1603		1947
1604	no strict;
1605	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1606		1949
1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1608	}	1951	}
1609		1952
1610	# also paths starting with '/'	1953	# also paths starting with '/'
1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1612		1955
1613	sub thawer_merge {	1956	sub thawer_merge {
1614	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1615		1958
1616	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1621	}	1964	}
1622		1965
1623	sub normalise {	1966	sub normalise {
1624	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1625		1968
1626	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1627		1970
1628	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1629		1972
1630	# map plan:	1973	# map plan:
1631	#	1974	#
…		…
1646	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1647	$path = "$base/$path";	1990	$path = "$base/$path";
1648	}	1991	}
1649		1992
1650	for ($path) {	1993	for ($path) {
1651	redo if s{//}{/};
1652	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1653	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1654	}	1996	}
1655		1997
1656	$path	1998	$path
…		…
1670	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1671	return $self;	2013	return $self;
1672	}	2014	}
1673	}	2015	}
1674		2016
1675	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1676	()	2018	()
1677	}	2019	}
1678		2020
		2021	# may re-bless or do other evil things
1679	sub init {	2022	sub init {
1680	my ($self) = @_;	2023	my ($self) = @_;
1681		2024
1682	$self	2025	$self
1683	}	2026	}
…		…
1702		2045
1703	# the temporary/swap location	2046	# the temporary/swap location
1704	sub save_path {	2047	sub save_path {
1705	my ($self) = @_;	2048	my ($self) = @_;
1706		2049
1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1708	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1709	}	2052	}
1710		2053
1711	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1712	sub uniq_path {	2055	sub uniq_path {
1713	my ($self) = @_;	2056	my ($self) = @_;
1714		2057
1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1716	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1717	}
1718
1719	# and all this just because we cannot iterate over
1720	# all maps in C++...
1721	sub change_all_map_light {
1722	my ($change) = @_;
1723
1724	$_->change_map_light ($change)
1725	for grep $_->outdoor, values %cf::MAP;
1726	}	2060	}
1727		2061
1728	sub decay_objects {	2062	sub decay_objects {
1729	my ($self) = @_;	2063	my ($self) = @_;
1730		2064
…		…
1743		2077
1744	sub load_header_from($) {	2078	sub load_header_from($) {
1745	my ($self, $path) = @_;	2079	my ($self, $path) = @_;
1746		2080
1747	utf8::encode $path;	2081	utf8::encode $path;
1748	#aio_open $path, O_RDONLY, 0	2082	my $f = new_from_file cf::object::thawer $path
1749	# or return;
1750
1751	$self->_load_header ($path)
1752	or return;	2083	or return;
1753		2084
		2085	$self->_load_header ($f)
		2086	or return;
		2087
		2088	local $MAP_LOADING{$self->{path}} = $self;
		2089	$f->resolve_delayed_derefs;
		2090
1754	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1755		2092
1756	1	2093	1
1757	}	2094	}
1758		2095
		2096	# used to laod the header of an original map
1759	sub load_header_orig {	2097	sub load_header_orig {
1760	my ($self) = @_;	2098	my ($self) = @_;
1761		2099
1762	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1763	}	2101	}
1764		2102
		2103	# used to laod the header of an instantiated map
1765	sub load_header_temp {	2104	sub load_header_temp {
1766	my ($self) = @_;	2105	my ($self) = @_;
1767		2106
1768	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1769	}	2108	}
1770		2109
		2110	# called after loading the header from an instantiated map
1771	sub prepare_temp {	2111	sub prepare_temp {
1772	my ($self) = @_;	2112	my ($self) = @_;
1773		2113
1774	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1775	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1776	# safety	2116	# safety
1777	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1778	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1779	}	2119	}
1780		2120
		2121	# called after loading the header from an original map
1781	sub prepare_orig {	2122	sub prepare_orig {
1782	my ($self) = @_;	2123	my ($self) = @_;
1783		2124
1784	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1785	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1809		2150
1810	sub find;	2151	sub find;
1811	sub find {	2152	sub find {
1812	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1813		2154
		2155	cf::cede_to_tick;
		2156
1814	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1815		2158
		2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1816	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1817		2161
1818	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1819	my $guard = cf::lock_acquire "map_find:$path";
1820	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1821	or return;	2164	or return;
1822		2165
1823	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1824		2167
…		…
1826	or return;	2169	or return;
1827		2170
1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1829	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1830	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
		2175	undef $guard1;
1831	$map->reset;	2176	$map->reset;
1832	undef $guard;
1833	return find $path;	2177	return find $path;
1834	}	2178	}
1835		2179
1836	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1837	}	2181	}
1838	}	2182	}
1839		2183
1840	sub pre_load { }	2184	sub pre_load { }
1841	sub post_load { }	2185	#sub post_load { } # XS
1842		2186
1843	sub load {	2187	sub load {
1844	my ($self) = @_;	2188	my ($self) = @_;
1845		2189
1846	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
1847		2191
1848	my $path = $self->{path};	2192	my $path = $self->{path};
1849		2193
1850	{	2194	{
1851	my $guard = cf::lock_acquire "map_load:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1852		2196
		2197	return unless $self->valid;
1853	return if $self->in_memory != cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1854
1855	$self->in_memory (cf::MAP_LOADING);
1856		2199
1857	$self->alloc;	2200	$self->alloc;
1858		2201
1859	$self->pre_load;	2202	$self->pre_load;
1860	Coro::cede;	2203	cf::cede_to_tick;
1861		2204
1862	$self->_load_objects ($self->{load_path}, 1)	2205	if (exists $self->{load_path}) {
		2206	my $f = new_from_file cf::object::thawer $self->{load_path};
		2207	$f->skip_block;
		2208	$self->_load_objects ($f)
1863	or return;	2209	or return;
1864		2210
1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1866	if delete $self->{load_original};	2212	if delete $self->{load_original};
1867		2213
1868	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1869	utf8::encode $uniq;	2215	utf8::encode $uniq;
1870	if (aio_open $uniq, O_RDONLY, 0) {	2216	unless (aio_stat $uniq) {
		2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1871	$self->clear_unique_items;	2218	$self->clear_unique_items;
1872	$self->_load_objects ($uniq, 0);	2219	$self->_load_objects ($f);
		2220	$f->resolve_delayed_derefs;
		2221	}
		2222	}
1873	}	2223	}
1874	}
1875		2224
1876	Coro::cede;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
		2232
		2233	cf::cede_to_tick;
1877	# now do the right thing for maps	2234	# now do the right thing for maps
1878	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1879	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
1880	unless $self->difficulty;	2237	unless $self->difficulty;
1881	Coro::cede;	2238	cf::cede_to_tick;
1882		2239
1883	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1884	$self->decay_objects;	2241	$self->decay_objects;
1885	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1886	$self->update_buttons;	2243	$self->update_buttons;
1887	Coro::cede;	2244	cf::cede_to_tick;
1888	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
1889	Coro::cede;
1890	$self->activate;
1891	}	2246	}
1892		2247
1893	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
1894	$self->last_access ($cf::RUNTIME);	2249	$self->last_access ($cf::RUNTIME);
1895
1896	$self->in_memory (cf::MAP_IN_MEMORY);
1897	}	2250	}
1898		2251
1899	$self->post_load;	2252	$self->post_load;
1900	}
1901		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
1902	sub customise_for {	2260	sub customise_for {
1903	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
1904		2262
1905	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
1906	if $self->per_player;	2264	if $self->per_player;
…		…
1909	# if $self->per_party;	2267	# if $self->per_party;
1910		2268
1911	$self	2269	$self
1912	}	2270	}
1913		2271
1914	# find and load all maps in the 3x3 area around a map
1915	sub load_neighbours {
1916	my ($map) = @_;
1917
1918	my @neigh; # diagonal neighbours
1919
1920	for (0 .. 3) {
1921	my $neigh = $map->tile_path ($_)
1922	or next;
1923	$neigh = find $neigh, $map
1924	or next;
1925	$neigh->load;
1926
1927	push @neigh,
1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1930	}
1931
1932	for (grep defined $_->[0], @neigh) {
1933	my ($path, $origin) = @$_;
1934	my $neigh = find $path, $origin
1935	or next;
1936	$neigh->load;
1937	}
1938	}
1939
1940	sub find_sync {	2272	sub find_sync {
1941	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
1942		2274
1943	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
1944	}	2280	}
1945		2281
1946	sub do_load_sync {	2282	sub do_load_sync {
1947	my ($map) = @_;	2283	my ($map) = @_;
1948		2284
1949	cf::sync_job { $map->load };	2285	# it's a bug to call this from the main context
		2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2287	if $Coro::current == $Coro::main;
		2288
		2289	$map->load;
1950	}	2290	}
1951		2291
1952	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
1953	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
1954		2294
1955	sub find_async {	2295	sub find_async {
1956	my ($path, $origin) = @_;	2296	my ($path, $origin, $load) = @_;
1957		2297
1958	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
1959		2299
1960	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
1962	}	2302	}
1963		2303
1964	undef $MAP_PREFETCH{$path};	2304	$MAP_PREFETCH{$path} |= $load;
		2305
1965	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
		2307	$Coro::current->{desc} = "map prefetcher";
		2308
1966	while (%MAP_PREFETCH) {	2309	while (%MAP_PREFETCH) {
1967	for my $path (keys %MAP_PREFETCH) {	2310	while (my ($k, $v) = each %MAP_PREFETCH) {
1968	if (my $map = find $path) {	2311	if (my $map = find $k) {
1969	$map->load;	2312	$map->load if $v;
1970	}	2313	}
1971		2314
1972	delete $MAP_PREFETCH{$path};	2315	delete $MAP_PREFETCH{$k};
1973	}	2316	}
1974	}	2317	}
1975	undef $MAP_PREFETCHER;	2318	undef $MAP_PREFETCHER;
1976	};	2319	};
1977	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
1978		2321
1979	()	2322	()
1980	}	2323	}
1981		2324
		2325	# common code, used by both ->save and ->swapout
1982	sub save {	2326	sub _save {
1983	my ($self) = @_;	2327	my ($self) = @_;
1984
1985	my $lock = cf::lock_acquire "map_data:" . $self->path;
1986		2328
1987	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
1988		2330
1989	return unless $self->dirty;	2331	return unless $self->dirty;
1990		2332
…		…
1996	return if $self->{deny_save};	2338	return if $self->{deny_save};
1997		2339
1998	local $self->{last_access} = $self->last_access;#d#	2340	local $self->{last_access} = $self->last_access;#d#
1999		2341
2000	cf::async {	2342	cf::async {
		2343	$Coro::current->{desc} = "map player save";
2001	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
2002	};	2345	};
		2346
		2347	cf::get_slot 0.02;
2003		2348
2004	if ($uniq) {	2349	if ($uniq) {
2005	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2006	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2007	} else {	2352	} else {
2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2009	}	2354	}
2010	}	2355	}
2011		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
2012	sub swap_out {	2365	sub swap_out {
2013	my ($self) = @_;	2366	my ($self) = @_;
2014		2367
2015	# save first because save cedes
2016	$self->save;
2017
2018	my $lock = cf::lock_acquire "map_data:" . $self->path;	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
2019		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
2020	return if $self->players;	2372	return if $self->players;
2021	return if $self->in_memory != cf::MAP_IN_MEMORY;
2022	return if $self->{deny_save};
2023		2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
2024	$self->clear;	2383	$self->clear;
2025	$self->in_memory (cf::MAP_SWAPPED);
2026	}	2384	}
2027		2385
2028	sub reset_at {	2386	sub reset_at {
2029	my ($self) = @_;	2387	my ($self) = @_;
2030		2388
…		…
2048		2406
2049	my $lock = cf::lock_acquire "map_data:$self->{path}";	2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
2050		2408
2051	return if $self->players;	2409	return if $self->players;
2052		2410
2053	warn "resetting map ", $self->path;	2411	cf::trace "resetting map ", $self->path, "\n";
2054		2412
2055	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
2056		2414
2057	# need to save uniques path	2415	# need to save uniques path
2058	unless ($self->{deny_save}) {	2416	unless ($self->{deny_save}) {
2059	my $uniq = $self->uniq_path; utf8::encode $uniq;	2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
2060		2418
…		…
2062	if $uniq;	2420	if $uniq;
2063	}	2421	}
2064		2422
2065	delete $cf::MAP{$self->path};	2423	delete $cf::MAP{$self->path};
2066		2424
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
2067	$self->clear;	2427	$self->clear;
2068
2069	$_->clear_links_to ($self) for values %cf::MAP;
2070		2428
2071	$self->unlink_save;	2429	$self->unlink_save;
2072	$self->destroy;	2430	$self->destroy;
2073	}	2431	}
2074		2432
2075	my $nuke_counter = "aaaa";	2433	my $nuke_counter = "aaaa";
2076		2434
2077	sub nuke {	2435	sub nuke {
2078	my ($self) = @_;	2436	my ($self) = @_;
2079		2437
		2438	{
		2439	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2440
2080	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
2081		2442
2082	$self->unlink_save;	2443	$self->unlink_save;
2083		2444
2084	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
2085	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
2086	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
2087	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2089		2450
2090	$cf::MAP{$self->path} = $self;	2451	$cf::MAP{$self->path} = $self;
		2452	}
2091		2453
2092	$self->reset; # polite request, might not happen	2454	$self->reset; # polite request, might not happen
2093	}	2455	}
2094		2456
2095	=item $maps = cf::map::tmp_maps	2457	=item $maps = cf::map::tmp_maps
…		…
2137		2499
2138	sub unique_maps() {	2500	sub unique_maps() {
2139	[	2501	[
2140	map {	2502	map {
2141	utf8::decode $_;	2503	utf8::decode $_;
2142	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2143	? normalise $_	2507	: normalise $_
2144	: ()
2145	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2146	]	2509	]
2147	}	2510	}
2148		2511
2149	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
2150		2543
2151	=back	2544	=back
2152		2545
2153	=head3 cf::object	2546	=head3 cf::object
2154		2547
…		…
2158		2551
2159	=over 4	2552	=over 4
2160		2553
2161	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2162		2555
2163	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
2164		2558
2165	=cut	2559	=cut
2166		2560
2167	sub inv_recursive_;	2561	sub inv_recursive_;
2168	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2171		2565
2172	sub inv_recursive {	2566	sub inv_recursive {
2173	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2174	}	2568	}
2175		2569
		2570	=item $ref = $ob->ref
		2571
		2572	Creates and returns a persistent reference to an object that can be stored as a string.
		2573
		2574	=item $ob = cf::object::deref ($refstring)
		2575
		2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2577	even if the object actually exists. May block.
		2578
		2579	=cut
		2580
		2581	sub deref {
		2582	my ($ref) = @_;
		2583
		2584	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2585	my ($uuid, $name) = ($1, $2);
		2586	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2587	or return;
		2588	$pl->ob->uuid eq $uuid
		2589	or return;
		2590
		2591	$pl->ob
		2592	} else {
		2593	warn "$ref: cannot resolve object reference\n";
		2594	undef
		2595	}
		2596	}
		2597
2176	package cf;	2598	package cf;
2177		2599
2178	=back	2600	=back
2179		2601
2180	=head3 cf::object::player	2602	=head3 cf::object::player
…		…
2186	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2608	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2187	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
2188	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2189		2611
2190	=cut	2612	=cut
		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
2191		2627
2192	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2193	# with dialog boxes.	2629	# with dialog boxes.
2194	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
2195	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
…		…
2207	my $dialog = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2209		2645
2210	} else {	2646	} else {
2211	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2212	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2213	}	2649	}
2214	}	2650	}
2215	}	2651	}
2216		2652
2217	=item $object->send_msg ($channel, $msg, $color, [extra...])	2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2242		2678
2243	=item $player_object->enter_link	2679	=item $player_object->enter_link
2244		2680
2245	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
2246		2682
2247	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
2248	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
2249		2687
2250	Will never block.	2688	Will never block.
2251		2689
2252	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2253		2691
…		…
2273	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2274	my ($self) = @_;	2712	my ($self) = @_;
2275		2713
2276	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2277		2715
		2716	++$self->{_link_recursion};
		2717
2278	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2279		2719
2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2281	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2282		2722
2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2284	}	2724	}
2285		2725
2286	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2287	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2288		2728
…		…
2305	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2306	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2307		2747
2308	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2309	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2310	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2311		2751
2312	$map->load;	2752	$map->load;
2313	$map->load_neighbours;
2314		2753
2315	return unless $self->contr->active;	2754	return unless $self->contr->active;
2316	$self->activate_recursive;
2317		2755
2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2319	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2320	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2321		2763
		2764	}
		2765
2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2323		2767
2324	Moves the player to the given map-path and coordinates by first freezing	2768	Moves the player to the given map-path and coordinates by first freezing
2325	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2326	that has to return the map if sucecssful, and then unfreezes the player on	2770	that has to return the map if sucecssful, and then unfreezes the player on
2327	the new (success) or old (failed) map position. In either case, $done will	2771	the new (success) or old (failed) map position. In either case, $done will
2328	be called at the end of this process.	2772	be called at the end of this process.
2329		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
2330	=cut	2777	=cut
2331		2778
2332	our $GOTOGEN;	2779	our $GOTOGEN;
2333		2780
2334	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2335	my ($self, $path, $x, $y, $check, $done) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
2336		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
		2789
2337	# do generation counting so two concurrent goto's will be executed in-order	2790	# do generation counting so two concurrent goto's will be executed in-order
2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2339		2792
2340	$self->enter_link;	2793	$self->enter_link;
2341		2794
2342	(async {	2795	(async {
		2796	$Coro::current->{desc} = "player::goto $path $x $y";
		2797
		2798	# *tag paths override both path and x|y
		2799	if ($path =~ /^\*(.*)$/) {
		2800	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2801	my $ob = $obs[rand @obs];
		2802
		2803	# see if we actually can go there
		2804	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2805	$ob = $obs[rand @obs];
		2806	} else {
		2807	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2808	}
		2809	# else put us there anyways for now #d#
		2810
		2811	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2812	} else {
		2813	($path, $x, $y) = (undef, undef, undef);
		2814	}
		2815	}
		2816
2343	my $map = eval {	2817	my $map = eval {
2344	my $map = cf::map::find $path;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2345		2819
2346	if ($map) {	2820	if ($map) {
2347	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2348	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2349	} else {	2823	} else {
2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2351	}	2825	}
2352		2826
2353	$map	2827	$map
2354	};	2828	};
2355		2829
…		…
2361	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2362	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2363	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2364	}	2838	}
2365		2839
2366	$done->() if $done;	2840	$done->($self) if $done;
2367	})->prio (1);	2841	})->prio (1);
2368	}	2842	}
2369		2843
2370	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2371		2845
…		…
2391	}	2865	}
2392		2866
2393	sub prepare_random_map {	2867	sub prepare_random_map {
2394	my ($exit) = @_;	2868	my ($exit) = @_;
2395		2869
2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
2397
2398	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2399	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2400	# that depends on the exit object	2872	# that depends on the exit object
2401		2873
2402	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2404	if ($exit->map) {	2876	if ($exit->map) {
2405	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2406	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2407	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2408	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2409	}	2883	}
2410		2884
2411	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2412		2886
2413	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2414	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2415	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2416		2890
2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2418	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2419	undef $fh;	2893	undef $fh;
2420	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2421		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2422	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2423	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2424	}	2902	}
2425	}	2903	}
2426		2904
2427	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2428	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2429		2907
2430	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2431		2909
2432	if ($exit->slaying eq "/!") {
2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
2434	# the problem is that $exit might not survive long enough
2435	# so it needs to be done right now, right here
2436	cf::sync_job { prepare_random_map $exit };
2437	}
2438
2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2440	my $hp = $exit->stats->hp;
2441	my $sp = $exit->stats->sp;
2442
2443	$self->enter_link;	2910	$self->enter_link;
2444		2911
2445	# if exit is damned, update players death & WoR home-position
2446	$self->contr->savebed ($slaying, $hp, $sp)
2447	if $exit->flag (FLAG_DAMNED);
2448
2449	(async {	2912	(async {
2450	$self->deactivate_recursive; # just to be sure	2913	$Coro::current->{desc} = "enter_exit";
		2914
2451	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
2452	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2453		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
2454	1;	2951	1
2455	}) {	2952	}) {
2456	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2457	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
2458	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2459	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2460		2957
2461	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2462	$self->leave_link;	2959	$self->leave_link;
2463	}	2960	}
2464	})->prio (1);	2961	})->prio (1);
2465	}	2962	}
2466		2963
…		…
2478	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
2479	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
2480		2977
2481	utf8::encode $text;	2978	utf8::encode $text;
2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2980	}
		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
2483	}	3005	}
2484		3006
2485	=item $client->send_msg ($channel, $msg, $color, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2486		3008
2487	Send a drawinfo or msg packet to the client, formatting the msg for the	3009	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2489	the message, with C<log> being the default. If C<$color> is negative, suppress	3011	the message, with C<log> being the default. If C<$color> is negative, suppress
2490	the message unless the client supports the msg packet.	3012	the message unless the client supports the msg packet.
2491		3013
2492	=cut	3014	=cut
2493		3015
		3016	# non-persistent channels (usually the info channel)
		3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
		3024	"c/identify" => {
		3025	id => "infobox",
		3026	title => "Identify",
		3027	reply => undef,
		3028	tooltip => "Items recently identified",
		3029	},
		3030	"c/examine" => {
		3031	id => "infobox",
		3032	title => "Examine",
		3033	reply => undef,
		3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
		3041	},
		3042	"c/book" => {
		3043	id => "infobox",
		3044	title => "Book",
		3045	reply => undef,
		3046	tooltip => "The contents of a note or book",
		3047	},
		3048	"c/lookat" => {
		3049	id => "infobox",
		3050	title => "Look",
		3051	reply => undef,
		3052	tooltip => "What you saw there",
		3053	},
		3054	"c/who" => {
		3055	id => "infobox",
		3056	title => "Players",
		3057	reply => undef,
		3058	tooltip => "Shows players who are currently online",
		3059	},
		3060	"c/body" => {
		3061	id => "infobox",
		3062	title => "Body Parts",
		3063	reply => undef,
		3064	tooltip => "Shows which body parts you posess and are available",
		3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
		3102	"c/uptime" => {
		3103	id => "infobox",
		3104	title => "Uptime",
		3105	reply => undef,
		3106	tooltip => "How long the server has been running since last restart",
		3107	},
		3108	"c/mapinfo" => {
		3109	id => "infobox",
		3110	title => "Map Info",
		3111	reply => undef,
		3112	tooltip => "Information related to the maps",
		3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
		3128	);
		3129
2494	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2495	my ($self, $channel, $msg, $color, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2496		3132
2497	$msg = $self->pl->expand_cfpod ($msg);	3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
2498		3135
2499	$color &= cf::NDI_CLIENT_MASK; # just in case...	3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
2500		3137
		3138	# check predefined channels, for the benefit of C
		3139	if ($CHANNEL{$channel}) {
		3140	$channel = $CHANNEL{$channel};
		3141
		3142	$self->ext_msg (channel_info => $channel);
		3143	$channel = $channel->{id};
		3144
2501	if (ref $channel) {	3145	} elsif (ref $channel) {
2502	# send meta info to client, if not yet sent	3146	# send meta info to client, if not yet sent
2503	unless (exists $self->{channel}{$channel->{id}}) {	3147	unless (exists $self->{channel}{$channel->{id}}) {
2504	$self->{channel}{$channel->{id}} = $channel;	3148	$self->{channel}{$channel->{id}} = $channel;
2505	$self->ext_msg (channel_info => $channel);	3149	$self->ext_msg (channel_info => $channel);
2506	}	3150	}
…		…
2508	$channel = $channel->{id};	3152	$channel = $channel->{id};
2509	}	3153	}
2510		3154
2511	return unless @extra || length $msg;	3155	return unless @extra || length $msg;
2512		3156
2513	if ($self->can_msg) {
2514	# default colour, mask it out	3157	# default colour, mask it out
2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2516	if $color & cf::NDI_DEF;	3159	if $color & cf::NDI_DEF;
2517		3160
2518	$self->send_packet ("msg " . $self->{json_coder}->encode (	3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2520	} else {	3164	);
2521	if ($color >= 0) {
2522	# replace some tags by gcfclient-compatible ones
2523	for ($msg) {
2524	1 while
2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2530	}
2531		3165
2532	$color &= cf::NDI_COLOR_MASK;	3166	$self->send_big_packet ($pkt);
2533
2534	utf8::encode $msg;
2535
2536	if (0 && $msg =~ /\[/) {
2537	# COMMAND/INFO
2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
2539	} else {
2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2541	$self->send_packet ("drawinfo $color $msg")
2542	}
2543	}
2544	}
2545	}	3167	}
2546		3168
2547	=item $client->ext_msg ($type, @msg)	3169	=item $client->ext_msg ($type, @msg)
2548		3170
2549	Sends an ext event to the client.	3171	Sends an ext event to the client.
…		…
2551	=cut	3173	=cut
2552		3174
2553	sub cf::client::ext_msg($$@) {	3175	sub cf::client::ext_msg($$@) {
2554	my ($self, $type, @msg) = @_;	3176	my ($self, $type, @msg) = @_;
2555		3177
2556	my $extcmd = $self->extcmd;
2557
2558	if ($extcmd == 2) {	3178	if ($self->extcmd == 2) {
2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2560	} elsif ($extcmd == 1) { # TODO: remove	3180	} elsif ($self->extcmd == 1) { # TODO: remove
2561	push @msg, msgtype => "event_$type";	3181	push @msg, msgtype => "event_$type";
2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2563	}	3183	}
2564	}	3184	}
2565		3185
2566	=item $client->ext_reply ($msgid, @msg)	3186	=item $client->ext_reply ($msgid, @msg)
2567		3187
…		…
2571		3191
2572	sub cf::client::ext_reply($$@) {	3192	sub cf::client::ext_reply($$@) {
2573	my ($self, $id, @msg) = @_;	3193	my ($self, $id, @msg) = @_;
2574		3194
2575	if ($self->extcmd == 2) {	3195	if ($self->extcmd == 2) {
2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2577	} elsif ($self->ns->extcmd == 1) {	3197	} elsif ($self->extcmd == 1) {
2578	#TODO: version 1, remove	3198	#TODO: version 1, remove
2579	unshift @msg, msgtype => "reply", msgid => $id;	3199	unshift @msg, msgtype => "reply", msgid => $id;
2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2581	}	3201	}
2582	}	3202	}
2583		3203
2584	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2585		3205
…		…
2646	my ($type, $reply, @payload) =	3266	my ($type, $reply, @payload) =
2647	"ARRAY" eq ref $msg	3267	"ARRAY" eq ref $msg
2648	? @$msg	3268	? @$msg
2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove	3269	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2650		3270
		3271	my @reply;
		3272
2651	if (my $cb = $EXTICMD{$type}) {	3273	if (my $cb = $EXTICMD{$type}) {
2652	my @reply = $cb->($ns, @payload);	3274	@reply = $cb->($ns, @payload);
2653
2654	$ns->ext_reply ($reply, @reply)
2655	if $reply;
2656	}	3275	}
		3276
		3277	$ns->ext_reply ($reply, @reply)
		3278	if $reply;
		3279
2657	} else {	3280	} else {
2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2659	}	3282	}
2660		3283
2661	cf::override;	3284	cf::override;
2662	},	3285	},
2663	);	3286	);
…		…
2683		3306
2684	$coro	3307	$coro
2685	}	3308	}
2686		3309
2687	cf::client->attach (	3310	cf::client->attach (
2688	on_destroy => sub {	3311	on_client_destroy => sub {
2689	my ($ns) = @_;	3312	my ($ns) = @_;
2690		3313
2691	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2692	},	3315	},
2693	);	3316	);
…		…
2709	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2710		3333
2711	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2712		3335
2713	$safe->permit_only (Opcode::opset qw(	3336	$safe->permit_only (Opcode::opset qw(
2714	:base_core :base_mem :base_orig :base_math	3337	:base_core :base_mem :base_orig :base_math :base_loop
2715	grepstart grepwhile mapstart mapwhile	3338	grepstart grepwhile mapstart mapwhile
2716	sort time	3339	sort time
2717	));	3340	));
2718		3341
2719	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
…		…
2721	=pod	3344	=pod
2722		3345
2723	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2724		3347
2725	cf::object	3348	cf::object
2726	contr pay_amount pay_player map x y force_find force_add	3349	contr pay_amount pay_player map x y force_find force_add destroy
2727	insert remove name archname title slaying race	3350	insert remove name archname title slaying race decrease split
		3351	value
2728		3352
2729	cf::object::player	3353	cf::object::player
2730	player	3354	player
2731		3355
2732	cf::player	3356	cf::player
…		…
2737		3361
2738	=cut	3362	=cut
2739		3363
2740	for (	3364	for (
2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2742	insert remove inv name archname title slaying race)],	3366	insert remove inv nrof name archname title slaying race
		3367	decrease split destroy change_exp value msg lore send_msg)],
2743	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2744	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2745	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2746	) {	3371	) {
2747	no strict 'refs';
2748	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2749	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2750	for @funs;	3374	for @funs;
2751	}	3375	}
2752		3376
…		…
2767		3391
2768	my $qcode = $code;	3392	my $qcode = $code;
2769	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2770	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
2771		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
2772	local $_;	3399	local $_;
2773	local @safe::cf::_safe_eval_args = values %vars;
2774		3400
2775	my $eval =	3401	my $eval =
2776	"do {\n"	3402	"do {\n"
2777	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2778	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
2779	. $code	3405	. $code
2780	. "\n}"	3406	. "\n}"
2781	;	3407	;
2782		3408
		3409	if ($CFG{safe_eval}) {
2783	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
2784	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2785	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
2786		3418
2787	if ($@) {	3419	if ($@) {
2788	warn "$@";	3420	warn "$@",
2789	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
2790	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
2791	}	3423	}
2792		3424
2793	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
2794	}	3426	}
2795		3427
…		…
2809	=cut	3441	=cut
2810		3442
2811	sub register_script_function {	3443	sub register_script_function {
2812	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
2813		3445
2814	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
2815	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
2816	}	3448	}
2817		3449
2818	=back	3450	=back
2819		3451
2820	=cut	3452	=cut
…		…
2823	# the server's init and main functions	3455	# the server's init and main functions
2824		3456
2825	sub load_facedata($) {	3457	sub load_facedata($) {
2826	my ($path) = @_;	3458	my ($path) = @_;
2827		3459
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
2828	my $enc = JSON::XS->new->utf8->canonical;	3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2829		3465
2830	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
2831		3467
2832	my $facedata;	3468	my $facedata = decode_storable load_file $path;
2833	0 < aio_load $path, $facedata
2834	or die "$path: $!";
2835
2836	$facedata = Coro::Storable::thaw $facedata;
2837		3469
2838	$facedata->{version} == 2	3470	$facedata->{version} == 2
2839	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
2840		3472
2841	# patch in the exptable	3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2842	$facedata->{resource}{"res/exp_table"} = {	3475	$facedata->{resource}{"res/exp_table"} = {
2843	type => FT_RSRC,	3476	type => FT_RSRC,
2844	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
2845	};	3479	};
2846	cf::cede_to_tick;	3480	cf::cede_to_tick;
2847		3481
2848	{	3482	{
2849	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
2850		3484
2851	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
2853	cf::face::set_visibility $idx, $info->{visibility};	3488	cf::face::set_visibility $idx, $info->{visibility};
2854	cf::face::set_magicmap $idx, $info->{magicmap};	3489	cf::face::set_magicmap $idx, $info->{magicmap};
2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2857		3493
2858	cf::cede_to_tick;	3494	cf::cede_to_tick;
2859	}	3495	}
2860		3496
2861	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
2862	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
2863	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
2864	or next;	3501	or next;
		3502
2865	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
2866	cf::face::set_smooth $idx, $smooth;	3504	cf::face::set_smooth $idx, $smooth;
2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2868	} else {	3506	} else {
2869	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
2870	}	3508	}
2871		3509
2872	cf::cede_to_tick;	3510	cf::cede_to_tick;
2873	}	3511	}
2874	}	3512	}
…		…
2883		3521
2884	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
2885	}	3523	}
2886		3524
2887	{	3525	{
2888	# TODO: for gcfclient pleasure, we should give resources
2889	# that gcfclient doesn't grok a >10000 face index.
2890	my $res = $facedata->{resource};	3526	my $res = $facedata->{resource};
2891		3527
2892	my $soundconf = delete $res->{"res/sound.conf"};
2893
2894	while (my ($name, $info) = each %$res) {	3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2896	my $data;
2897		3531
2898	if ($info->{type} & 1) {	3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2899	# prepend meta info	3533	cf::face::set_type $idx, $info->{type};
2900
2901	my $meta = $enc->encode ({
2902	name => $name,
2903	%{ $info->{meta} || {} },
2904	});
2905
2906	$data = pack "(w/a*)*", $meta, $info->{data};
2907	} else {	3534	} else {
2908	$data = $info->{data};	3535	$RESOURCE{$name} = $info; # unused
2909	}	3536	}
2910		3537
2911	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2912	cf::face::set_type $idx, $info->{type};
2913
2914	cf::cede_to_tick;	3538	cf::cede_to_tick;
2915	}	3539	}
2916
2917	if ($soundconf) {
2918	$soundconf = $enc->decode (delete $soundconf->{data});
2919
2920	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2921	my $sound = $soundconf->{compat}[$_]
2922	or next;
2923
2924	my $face = cf::face::find "sound/$sound->[1]";
2925	cf::sound::set $sound->[0] => $face;
2926	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2927	}
2928
2929	while (my ($k, $v) = each %{$soundconf->{event}}) {
2930	my $face = cf::face::find "sound/$v";
2931	cf::sound::set $k => $face;
2932	}
2933	}
2934	}	3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2935		3543
2936	1	3544	1
2937	}	3545	}
2938		3546
2939	register_exticmd fx_want => sub {	3547	register_exticmd fx_want => sub {
…		…
2942	while (my ($k, $v) = each %$want) {	3550	while (my ($k, $v) = each %$want) {
2943	$ns->fx_want ($k, $v);	3551	$ns->fx_want ($k, $v);
2944	}	3552	}
2945	};	3553	};
2946		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
		3564
2947	sub reload_regions {	3565	sub reload_regions {
		3566	# HACK to clear player env face cache, we need some signal framework
		3567	# for this (global event?)
		3568	%ext::player_env::MUSIC_FACE_CACHE = ();
		3569
2948	load_resource_file "$MAPDIR/regions"	3570	load_resource_file "$MAPDIR/regions"
2949	or die "unable to load regions file\n";	3571	or die "unable to load regions file\n";
2950		3572
2951	for (cf::region::list) {	3573	for (cf::region::list) {
2952	$_->{match} = qr/$_->{match}/	3574	$_->{match} = qr/$_->{match}/
…		…
2960	}	3582	}
2961		3583
2962	sub reload_archetypes {	3584	sub reload_archetypes {
2963	load_resource_file "$DATADIR/archetypes"	3585	load_resource_file "$DATADIR/archetypes"
2964	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
2965	#d# NEED to laod twice to resolve forward references
2966	# this really needs to be done in an extra post-pass
2967	# (which needs to be synchronous, so solve it differently)
2968	load_resource_file "$DATADIR/archetypes"
2969	or die "unable to load archetypes\n";
2970	}	3587	}
2971		3588
2972	sub reload_treasures {	3589	sub reload_treasures {
2973	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
2974	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
2975	}	3592	}
2976		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
2977	sub reload_resources {	3614	sub reload_resources {
2978	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
2979		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
2980	reload_regions;	3622	reload_regions;
2981	reload_facedata;
2982	#reload_archetypes;#d#
2983	reload_archetypes;
2984	reload_treasures;	3623	reload_treasures;
2985		3624
2986	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
2987	}	3626	}
2988		3627
2989	sub init {	3628	sub reload_config {
2990	reload_resources;	3629	trace "reloading config file...\n";
2991	}
2992		3630
2993	sub cfg_load {	3631	my $config = load_file "$CONFDIR/config";
2994	open my $fh, "<:utf8", "$CONFDIR/config"	3632	utf8::decode $config;
2995	or return;	3633	*CFG = decode_yaml $config;
2996		3634
2997	local $/;
2998	*CFG = YAML::Syck::Load <$fh>;
2999
3000	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3001		3636
3002	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3003	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3004		3639
3005	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
3009	};	3644	};
3010	warn $@ if $@;	3645	warn $@ if $@;
3011	}	3646	}
3012	}	3647	}
3013		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
3014	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
3015	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
3016	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
3017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3018	(async {	3690	(async {
3019	Event::one_event;	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3692	EV::loop EV::LOOP_ONESHOT;
3020	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
3021	};	3694	};
3022		3695
3023	cfg_load;	3696	evthread_start IO::AIO::poll_fileno;
		3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
		3708	reload_config;
3024	db_init;	3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
3025	load_extensions;	3719	load_extensions;
3026		3720
3027	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
3028	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
3029	}	3739	}
3030		3740
3031	#############################################################################	3741	#############################################################################
3032	# initialisation and cleanup	3742	# initialisation and cleanup
3033		3743
3034	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
3035	BEGIN {	3745	BEGIN {
		3746	our %SIGWATCHER = ();
3036	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
3037	Event->signal (	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3038	reentrant => 0,
3039	data => WF_AUTOCANCEL,
3040	signal => $signal,
3041	prio => 0,
3042	cb => sub {
3043	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
3044	},
3045	);	3750	};
3046	}	3751	}
3047	}	3752	}
3048		3753
3049	sub write_runtime {	3754	sub write_runtime_sync {
3050	my $runtime = "$LOCALDIR/runtime";	3755	my $t0 = AE::time;
3051		3756
3052	# first touch the runtime file to show we are still running:	3757	# first touch the runtime file to show we are still running:
3053	# the fsync below can take a very very long time.	3758	# the fsync below can take a very very long time.
3054		3759
3055	IO::AIO::aio_utime $runtime, undef, undef;	3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3056		3761
3057	my $guard = cf::lock_acquire "write_runtime";	3762	my $guard = cf::lock_acquire "write_runtime";
3058		3763
3059	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3060	or return;	3765	or return;
3061		3766
3062	my $value = $cf::RUNTIME + 90 + 10;	3767	my $value = $cf::RUNTIME + 90 + 10;
3063	# 10 is the runtime save interval, for a monotonic clock	3768	# 10 is the runtime save interval, for a monotonic clock
3064	# 60 allows for the watchdog to kill the server.	3769	# 60 allows for the watchdog to kill the server.
…		…
3074	aio_utime $fh, undef, undef;	3779	aio_utime $fh, undef, undef;
3075		3780
3076	close $fh	3781	close $fh
3077	or return;	3782	or return;
3078		3783
3079	aio_rename "$runtime~", $runtime	3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3080	and return;	3785	and return;
3081		3786
3082	warn "runtime file written.\n";	3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3083		3788
3084	1	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
3085	}	3840	}
3086		3841
3087	sub emergency_save() {	3842	sub emergency_save() {
3088	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
3089		3844
3090	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
3091		3851
3092	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
3093	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
3094	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
3095	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
3096	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
3097	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
3098	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
3099	$pl->valid or next;	3861	$pl->valid or next;
		3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3100	$pl->save;	3863	$pl->save;
3101	}	3864	}
3102	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
3103		3866
3104	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
3105	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
3106	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
3107	$map->valid or next;	3872	$map->valid or next;
3108	$map->save;	3873	$map->save;
3109	}	3874	}
3110	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
3111		3876
3112	warn "begin emergency database checkpoint\n";	3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
3113	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
3114	warn "end emergency database checkpoint\n";	3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
3115	};	3905	};
3116		3906
3117	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
3118	}	3908	}
3119		3909
3120	sub post_cleanup {	3910	sub post_cleanup {
3121	my ($make_core) = @_;	3911	my ($make_core) = @_;
3122		3912
		3913	IO::AIO::flush;
		3914
3123	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
3124	if $make_core;	3916	if $make_core;
		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
3125	}	3945	}
3126		3946
3127	sub do_reload_perl() {	3947	sub do_reload_perl() {
3128	# can/must only be called in main	3948	# can/must only be called in main
3129	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
3130	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
3131	return;	3951	return;
3132	}	3952	}
3133		3953
3134	warn "reloading...";	3954	return if $RELOAD++;
3135		3955
3136	warn "entering sync_job";	3956	my $t1 = AE::time;
3137		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
3138	cf::sync_job {	3964	cf::sync_job {
3139	cf::write_runtime; # external watchdog should not bark
3140	cf::emergency_save;	3965	#cf::emergency_save;
3141	cf::write_runtime; # external watchdog should not bark
3142		3966
3143	warn "syncing database to disk";
3144	BDB::db_env_txn_checkpoint $DB_ENV;
3145
3146	# if anything goes wrong in here, we should simply crash as we already saved
3147
3148	warn "cancelling all WF_AUTOCANCEL watchers";
3149	for (Event::all_watchers) {
3150	$_->cancel if $_->data & WF_AUTOCANCEL;
3151	}
3152
3153	warn "flushing outstanding aio requests";
3154	for (;;) {
3155	BDB::flush;
3156	IO::AIO::flush;
3157	Coro::cede;
3158	last unless IO::AIO::nreqs || BDB::nreqs;
3159	warn "iterate...";
3160	}
3161
3162	++$RELOAD;
3163
3164	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
3165	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
3166	%EXT_CORO = ();	3969	%EXT_CORO = ();
3167		3970
3168	warn "removing commands";	3971	trace "perl_reload: removing commands";
3169	%COMMAND = ();	3972	%COMMAND = ();
3170		3973
3171	warn "removing ext/exti commands";	3974	trace "perl_reload: removing ext/exti commands";
3172	%EXTCMD = ();	3975	%EXTCMD = ();
3173	%EXTICMD = ();	3976	%EXTICMD = ();
3174		3977
3175	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
3176	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
3177	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
3178		3981
3179	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
3180	eval {	3983	eval {
3181	$cb->($pkg);	3984	$cb->($pkg);
3182	1	3985	1
3183	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
3184	}	3991	}
3185		3992
3186	warn "... nuking $pkg";
3187	Symbol::delete_package $pkg;
3188	}
3189
3190	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3191	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
3192	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3193		3996
3194	warn "... unloading $k";	3997	trace "... unloading $k";
3195	delete $INC{$k};	3998	delete $INC{$k};
3196		3999
3197	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
3198	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
3199		4002
3200	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
3201	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
3202	}	4008	}
3203		4009
3204	Symbol::delete_package $k;
3205	}
3206
3207	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
3208	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
3209	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3210		4013
3211	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
3212	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
3213	delete $INC{"cf/pod.pm"};	4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3214		4017
3215	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
3216	# and global variables created in xs	4019	# and global variables created in xs
3217	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
3218		4021
3219	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
3220		4023
3221	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
3222	require cf;	4025	require cf;
3223	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
3224		4027
3225	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
3226	cf::cfg_load;	4029	cf::reload_config;
3227		4030
3228	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
3229	cf::load_extensions;	4032	cf::load_extensions;
3230		4033
		4034	if ($REATTACH_ON_RELOAD) {
3231	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
3232	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
3233	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
3234	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
3235	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
3236	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
3237		4042
3238	warn "leaving sync_job";	4043	cf::_post_init 1;
3239		4044
		4045	trace "perl_reload: leaving sync_job";
		4046
3240	1	4047	1
3241	} or do {	4048	} or do {
3242	warn $@;	4049	error $@;
3243	warn "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
3244	exit 1;	4051	};
		4052
		4053	--$RELOAD;
3245	};	4054	}
3246		4055
3247	warn "reloaded";	4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
3248	};	4058	};
3249		4059
3250	our $RELOAD_WATCHER; # used only during reload	4060	our $RELOAD_WATCHER; # used only during reload
3251		4061
3252	sub reload_perl() {	4062	sub reload_perl() {
3253	# doing reload synchronously and two reloads happen back-to-back,	4063	# doing reload synchronously and two reloads happen back-to-back,
3254	# coro crashes during coro_state_free->destroy here.	4064	# coro crashes during coro_state_free->destroy here.
3255		4065
3256	$RELOAD_WATCHER ||= Event->timer (	4066	$RELOAD_WATCHER ||= cf::async {
3257	reentrant => 0,	4067	Coro::AIO::aio_wait cache_extensions;
3258	after => 0,	4068
3259	data => WF_AUTOCANCEL,	4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3260	cb => sub {
3261	do_reload_perl;	4070	do_reload_perl;
3262	undef $RELOAD_WATCHER;	4071	undef $RELOAD_WATCHER;
3263	},	4072	};
3264	);	4073	};
3265	}	4074	}
3266		4075
3267	register_command "reload" => sub {	4076	register_command "reload" => sub {
3268	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
3269		4078
3270	if ($who->flag (FLAG_WIZ)) {	4079	if ($who->flag (FLAG_WIZ)) {
3271	$who->message ("reloading server.");	4080	$who->message ("reloading server.");
		4081	async {
		4082	$Coro::current->{desc} = "perl_reload";
3272	async { reload_perl };	4083	reload_perl;
		4084	};
3273	}	4085	}
3274	};	4086	};
3275		4087
3276	unshift @INC, $LIBDIR;	4088	#############################################################################
3277		4089
3278	my $bug_warning = 0;	4090	my $bug_warning = 0;
3279		4091
3280	our @WAIT_FOR_TICK;
3281	our @WAIT_FOR_TICK_BEGIN;
3282
3283	sub wait_for_tick {	4092	sub wait_for_tick() {
3284	return unless $TICK_WATCHER->is_active;	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3285	return if $Coro::current == $Coro::main;
3286		4094
3287	my $signal = new Coro::Signal;	4095	$WAIT_FOR_TICK->wait;
3288	push @WAIT_FOR_TICK, $signal;
3289	$signal->wait;
3290	}	4096	}
3291		4097
3292	sub wait_for_tick_begin {	4098	sub wait_for_tick_begin() {
3293	return unless $TICK_WATCHER->is_active;	4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3294	return if $Coro::current == $Coro::main;
3295		4100
3296	my $signal = new Coro::Signal;	4101	my $signal = new Coro::Signal;
3297	push @WAIT_FOR_TICK_BEGIN, $signal;	4102	push @WAIT_FOR_TICK_BEGIN, $signal;
3298	$signal->wait;	4103	$signal->wait;
3299	}	4104	}
3300		4105
3301	my $min = 1e6;#d#	4106	sub tick {
3302	my $avg = 10;
3303	$TICK_WATCHER = Event->timer (
3304	reentrant => 0,
3305	parked => 1,
3306	prio => 0,
3307	at => $NEXT_TICK || $TICK,
3308	data => WF_AUTOCANCEL,
3309	cb => sub {
3310	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
3311	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3312	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
3313	return;	4110	return;
3314	}	4111	}
3315		4112
3316	$NOW = $tick_start = Event::time;	4113	cf::one_tick; # one server iteration
3317		4114
3318	cf::server_tick; # one server iteration	4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3319		4116
3320	0 && sync_job {#d#	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3321	for(1..10) {	4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3322	my $t = Event::time;	4119	Coro::async_pool {
3323	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4120	$Coro::current->{desc} = "runtime saver";
3324	or die;	4121	write_runtime_sync
3325		4122	or error "ERROR: unable to write runtime file: $!";
3326	$map->width (50);
3327	$map->height (50);
3328	$map->alloc;
3329	$map->_load_objects ("/tmp/x.map", 1);
3330	my $t = Event::time - $t;
3331
3332	#next unless $t < 0.0013;#d#
3333	if ($t < $min) {
3334	$min = $t;
3335	}
3336	$avg = $avg * 0.99 + $t * 0.01;
3337	}
3338	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3339	exit 0;
3340	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3341	};	4123	};
		4124	}
3342		4125
3343	$RUNTIME += $TICK;
3344	$NEXT_TICK += $TICK;
3345
3346	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3347	$NEXT_RUNTIME_WRITE = $NOW + 10;
3348	Coro::async_pool {
3349	write_runtime
3350	or warn "ERROR: unable to write runtime file: $!";
3351	};
3352	}
3353
3354	# my $AFTER = Event::time;
3355	# warn $AFTER - $NOW;#d#
3356
3357	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3358	$sig->send;	4127	$sig->send;
3359	}	4128	}
3360	while (my $sig = shift @WAIT_FOR_TICK) {	4129	$WAIT_FOR_TICK->broadcast;
3361	$sig->send;
3362	}
3363		4130
3364	$NOW = Event::time;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
3365
3366	# if we are delayed by four ticks or more, skip them all
3367	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3368
3369	$TICK_WATCHER->at ($NEXT_TICK);
3370	$TICK_WATCHER->start;
3371
3372	$LOAD = ($NOW - $tick_start) / $TICK;
3373	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3374		4133
3375	_post_tick;	4134	if (0) {
3376		4135	if ($NEXT_TICK) {
3377		4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
		4139	}
3378	},	4140	}
3379	);	4141	}
3380		4142
3381	{	4143	{
3382	BDB::max_poll_time $TICK * 0.1;	4144	# configure BDB
3383	$BDB_POLL_WATCHER = Event->io (	4145
3384	reentrant => 0,
3385	fd => BDB::poll_fileno,
3386	poll => 'r',
3387	prio => 0,
3388	data => WF_AUTOCANCEL,
3389	cb => \&BDB::poll_cb,
3390	);
3391	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
3392		4147	BDB::max_poll_reqs $TICK * 0.1;
3393	BDB::set_sync_prepare {	4148	$AnyEvent::BDB::WATCHER->priority (1);
3394	my $status;
3395	my $current = $Coro::current;
3396	(
3397	sub {
3398	$status = $!;
3399	$current->ready; undef $current;
3400	},
3401	sub {
3402	Coro::schedule while defined $current;
3403	$! = $status;
3404	},
3405	)
3406	};
3407		4149
3408	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
3409	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
		4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3410		4157
3411	cf::sync_job {	4158	cf::sync_job {
3412	eval {	4159	eval {
3413	BDB::db_env_open	4160	BDB::db_env_open
3414	$DB_ENV,	4161	$DB_ENV,
…		…
3416	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4163	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3417	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4164	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3418	0666;	4165	0666;
3419		4166
3420	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4167	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3421
3422	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3423	$DB_ENV->set_lk_detect;
3424	};	4168	};
3425		4169
3426	cf::cleanup "db_env_open(db): $@" if $@;	4170	cf::cleanup "db_env_open(db): $@" if $@;
3427	};	4171	};
3428	}	4172	}
		4173
		4174	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4175	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4176	};
		4177	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4178	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4179	};
		4180	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4181	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4182	};
3429	}	4183	}
3430		4184
3431	{	4185	{
		4186	# configure IO::AIO
		4187
3432	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
3433
3434	undef $Coro::AIO::WATCHER;
3435	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
3436	$AIO_POLL_WATCHER = Event->io (	4190	undef $AnyEvent::AIO::WATCHER;
3437	reentrant => 0,
3438	data => WF_AUTOCANCEL,
3439	fd => IO::AIO::poll_fileno,
3440	poll => 'r',
3441	prio => 6,
3442	cb => \&IO::AIO::poll_cb,
3443	);
3444	}	4191	}
3445		4192
3446	my $_log_backtrace;	4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
3447		4195
3448	sub _log_backtrace {	4196	sub _log_backtrace {
3449	my ($msg, @addr) = @_;	4197	my ($msg, @addr) = @_;
3450		4198
3451	$msg =~ s/\n//;	4199	$msg =~ s/\n$//;
3452		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3453	# limit the # of concurrent backtraces	4204	# limit the # of concurrent backtraces
3454	if ($_log_backtrace < 2) {	4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
3455	++$_log_backtrace;	4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
3456	async {	4209	async {
		4210	$Coro::current->{desc} = "abt $msg";
		4211
3457	my @bt = fork_call {	4212	my @bt = fork_call {
3458	@addr = map { sprintf "%x", $_ } @addr;	4213	@addr = map { sprintf "%x", $_ } @addr;
3459	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4214	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3460	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4215	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3461	or die "addr2line: $!";	4216	or die "addr2line: $!";
…		…
3469	}	4224	}
3470		4225
3471	@funcs	4226	@funcs
3472	};	4227	};
3473		4228
3474	LOG llevInfo, "[ABT] $msg\n";	4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3475	LOG llevInfo, "[ABT] $_\n" for @bt;	4231	LOG llevInfo, "[ABT] $_\n" for @bt;
3476	--$_log_backtrace;	4232	--$_log_backtrace;
3477	};	4233	};
3478	} else {	4234	} else {
3479	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $msg\n";
3480	LOG llevInfo, "[ABT] [suppressed]\n";	4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3481	}	4237	}
3482	}	4238	}
3483		4239
3484	# load additional modules	4240	# load additional modules
3485	use cf::pod;	4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
3486		4243
3487	END { cf::emergency_save }	4244	END { cf::emergency_save }
3488		4245
3489	1	4246	1
3490		4247

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