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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.411 by root, Fri Feb 1 15:54:07 2008 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 EV 1.86;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.32 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		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;
23	use Coro::BDB;	49	use Coro::BDB 1.6;
24	use Coro::Storable;	50	use Coro::Storable;
25	use Coro::Util ();	51	use Coro::Util ();
26		52
27	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
28	use BDB ();	54	use BDB ();
29	use Data::Dumper;	55	use Data::Dumper;
30	use Digest::MD5;
31	use Fcntl;	56	use Fcntl;
32	use YAML ();	57	use YAML::XS ();
33	use IO::AIO 2.51 ();	58	use IO::AIO ();
34	use Time::HiRes;	59	use Time::HiRes;
35	use Compress::LZF;	60	use Compress::LZF;
36	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
37		64
38	# configure various modules to our taste	65	# configure various modules to our taste
39	#	66	#
40	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
41	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";
42	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
43		75
44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45		78
46	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;
47		82
48	our %COMMAND = ();	83	our %COMMAND = ();
49	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
50		85
51	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
52	our %EXTCMD = ();	87	our %EXTCMD = ();
53	our %EXTICMD = ();	88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
71	our %RESOURCE;	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;
72		120
73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
74	our $TICK_WATCHER;
75	our $AIO_POLL_WATCHER;
76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
77	our $NEXT_TICK;	123	our $NEXT_TICK;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
79		125
80	our $BDB_POLL_WATCHER;
81	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
82	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
83	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
84	our $DB_ENV;	129	our $DB_ENV;
85		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
86	our %CFG;	133	our %CFG;
87		134
88	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
90	our $NOW;	138	our $NOW;
91		139
92	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
93	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # 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
…		…
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 $cf::LOADAVG
153		234
154	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
155	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
156	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
165	from wherever your confdir points to.	246	from wherever your confdir points to.
166		247
167	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
168		249
169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
170	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
172		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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	LOG llevError, $msg;	301	LOG llevWarn, $msg;
193	};	302	};
194	}
195		303
196	$Coro::State::DIEHOOK = sub {	304	$Coro::State::DIEHOOK = sub {
197	return unless $^S eq 0; # "eq", not "=="	305	return unless $^S eq 0; # "eq", not "=="
198		306
199	if ($Coro::current == $Coro::main) {#d#	307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
200	warn "DIEHOOK called in main context, Coro bug?\n";#d#	310	error "DIEHOOK called in main context, Coro bug?\n";#d#
201	return;#d#	311	return;#d#
202	}#d#	312	}#d#
203		313
204	# kill coroutine otherwise	314	# kill coroutine otherwise
205	warn Carp::longmess $_[0];
206	Coro::terminate	315	Coro::terminate
207	};	316	};
208
209	$SIG{__DIE__} = sub { }; #d#?
210		317
211	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
212	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
213	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
214	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
221	for my $pkg (qw(	328	for my $pkg (qw(
222	cf::global cf::attachable	329	cf::global cf::attachable
223	cf::object cf::object::player	330	cf::object cf::object::player
224	cf::client cf::player	331	cf::client cf::player
225	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
226	cf::map cf::party cf::region	334	cf::party cf::region
227	)) {	335	)) {
228	no strict 'refs';
229	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
230	}	337	}
231		338
232	$EV::DIED = sub {	339	$EV::DIED = sub {
233	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
234	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
235		347
236	#############################################################################	348	#############################################################################
237		349
238	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
239		351
…		…
260	$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;
261	$d	373	$d
262	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
263	}	375	}
264		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
265	=item $ref = cf::decode_json $json	391	=item $ref = cf::decode_json $json
266		392
267	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
268		394
269	=item $json = cf::encode_json $ref	395	=item $json = cf::encode_json $ref
…		…
275	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
276		402
277	sub encode_json($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
278	sub decode_json($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
279		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	}
		467
280	=item cf::lock_wait $string	468	=item cf::lock_wait $string
281		469
282	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
283		471
284	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
285		473
286	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
287	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,
288	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
289	returned.	477	returned.
290		478
291	Locks are *not* recursive, locking from the same coro twice results in a	479	Locks are *not* recursive, locking from the same coro twice results in a
292	deadlocked coro.	480	deadlocked coro.
…		…
298		486
299	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.
300		488
301	=cut	489	=cut
302		490
303	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
304	our %LOCKER;#d#
305		492
306	sub lock_wait($) {	493	sub lock_wait($) {
307	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
308
309	if ($LOCKER{$key} == $Coro::current) {#d#
310	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
311	return;#d#
312	}#d#
313
314	# wait for lock, if any
315	while ($LOCK{$key}) {
316	push @{ $LOCK{$key} }, $Coro::current;
317	Coro::schedule;
318	}
319	}	495	}
320		496
321	sub lock_acquire($) {	497	sub lock_acquire($) {
322	my ($key) = @_;	498	$LOCKS->guard ($_[0])
323
324	# wait, to be sure we are not locked
325	lock_wait $key;
326
327	$LOCK{$key} = [];
328	$LOCKER{$key} = $Coro::current;#d#
329
330	Coro::guard {
331	delete $LOCKER{$key};#d#
332	# wake up all waiters, to be on the safe side
333	$_->ready for @{ delete $LOCK{$key} };
334	}
335	}	499	}
336		500
337	sub lock_active($) {	501	sub lock_active($) {
338	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
339
340	! ! $LOCK{$key}
341	}	503	}
342		504
343	sub freeze_mainloop {	505	sub freeze_mainloop {
344	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
345		507
346	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
347	$TICK_WATCHER->start;
348	};
349	$TICK_WATCHER->stop;
350	$guard
351	}	509	}
352		510
353	=item cf::periodic $interval, $cb	511	=item cf::periodic $interval, $cb
354		512
355	Like EV::periodic, but randomly selects a starting point so that the actions	513	Like EV::periodic, but randomly selects a starting point so that the actions
356	get spread over timer.	514	get spread over time.
357		515
358	=cut	516	=cut
359		517
360	sub periodic($$) {	518	sub periodic($$) {
361	my ($interval, $cb) = @_;	519	my ($interval, $cb) = @_;
…		…
365	EV::periodic $start, $interval, 0, $cb	523	EV::periodic $start, $interval, 0, $cb
366	}	524	}
367		525
368	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
369		527
370	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
371	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
372	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.
373		535
374	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
375	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
376		538
377	Useful for short background jobs.	539	Useful for short background jobs.
378		540
379	=cut	541	=cut
380		542
381	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
382	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
383		546
384	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
385	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
386	$Coro::current->desc ("timeslot manager");	549	$Coro::current->desc ("timeslot manager");
387		550
388	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
389		553
390	while () {	554	while () {
391	next_job:	555	next_job:
		556
392	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
393	if ($avail > 0.01) {	558
394	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
395	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
396	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
397	$job->[2]->send;	563	$job->[2]->send;
398	Coro::cede;	564	Coro::cede;
399	goto next_job;	565	goto next_job;
400	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
401	}	568	}
402	}	569	}
403		570
404	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
405	# 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
406	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
407	$signal->wait;
408	} else {	574	} else {
		575	$busy = 0;
409	Coro::schedule;	576	Coro::schedule;
410	}	577	}
411	}	578	}
412	};	579	};
413		580
414	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
415	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
416		585
417	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
418	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
419		589
420	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
421	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
422	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
448	=cut	618	=cut
449		619
450	sub sync_job(&) {	620	sub sync_job(&) {
451	my ($job) = @_;	621	my ($job) = @_;
452		622
453	if ($Coro::current == $Coro::main) {	623	if (in_main) {
454	my $time = EV::time;	624	my $time = AE::time;
455		625
456	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
457	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
458		628
459	LOG llevError, Carp::longmess "sync job";#d#	629	#LOG llevError, Carp::longmess "sync job";#d#
460		630
461	# TODO: use suspend/resume instead
462	# (but this is cancel-safe)
463	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
464		632
465	my $busy = 1;	633	my $busy = 1;
466	my @res;	634	my @res;
467		635
468	(async {	636	(async {
469	$Coro::current->desc ("sync job coro");	637	$Coro::current->desc ("sync job coro");
470	@res = eval { $job->() };	638	@res = eval { $job->() };
471	warn $@ if $@;	639	error $@ if $@;
472	undef $busy;	640	undef $busy;
473	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
474		642
475	while ($busy) {	643	while ($busy) {
476	if (Coro::nready) {	644	if (Coro::nready) {
…		…
478	} else {	646	} else {
479	EV::loop EV::LOOP_ONESHOT;	647	EV::loop EV::LOOP_ONESHOT;
480	}	648	}
481	}	649	}
482		650
483	$time = EV::time - $time;	651	my $time = AE::time - $time;
484		652
485	LOG llevError | logBacktrace, Carp::longmess "long sync job"
486	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
487
488	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
489		654
490	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
491	} else {	656	} else {
492	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
493		658
…		…
513	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
514		679
515	$coro	680	$coro
516	}	681	}
517		682
518	=item fork_call { }, $args	683	=item fork_call { }, @args
519		684
520	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
521	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
522	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
523	never block itself or use any form of event handling.	688	never block itself or use any form of event handling.
524		689
525	=cut	690	=cut
526		691
		692	sub post_fork {
		693	reset_signals;
		694	}
		695
527	sub fork_call(&@) {	696	sub fork_call(&@) {
528	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
529		698
530	# 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,
531	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
532	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
533		702
534	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
535	reset_signals;	704	cf::post_fork;
536	&$cb	705	&$cb
537	}, @args;	706	} @args;
538		707
539	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
540	}	747	}
541		748
542	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
543		750
544	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
554	within each server.	761	within each server.
555		762
556	=cut	763	=cut
557		764
558	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
559	my ($name) = @_;	769	my ($name) = @_;
560	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
561		771
562	eval {	772	eval {
563	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
573	}	783	}
574		784
575	our $DB;	785	our $DB;
576		786
577	sub db_init {	787	sub db_init {
578	cf::sync_job {
579	$DB ||= db_table "db";	788	$DB ||= db_table "db";
580	};
581	}	789	}
582		790
583	sub db_get($$) {	791	sub db_get($$) {
584	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
585		793
586	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
587	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
588		798
589	$! ? ()	799	$! ? ()
590	: $data	800	: $data
591	}
592	}	801	}
593		802
594	sub db_put($$$) {	803	sub db_put($$$) {
595	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
596	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
624		833
625	my @data;	834	my @data;
626	my $md5;	835	my $md5;
627		836
628	for (0 .. $#$src) {	837	for (0 .. $#$src) {
629	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
630	or Carp::croak "$src->[$_]: $!";
631	}	839	}
632		840
633	# if processing is expensive, check	841	# if processing is expensive, check
634	# checksum first	842	# checksum first
635	if (1) {	843	if (1) {
…		…
652		860
653	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
654	my $data = $process->(\@data);	862	my $data = $process->(\@data);
655	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
656		864
657	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
658		866
659	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
660	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
661	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
662		870
…		…
672		880
673	=cut	881	=cut
674		882
675	sub datalog($@) {	883	sub datalog($@) {
676	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
677	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
678	}	886	}
679		887
680	=back	888	=back
681		889
682	=cut	890	=cut
683		891
684	#############################################################################	892	#############################################################################
685		893
686	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
687		895
688	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
689	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")
690	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
691		899
692	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>
693	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
…		…
743	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
744		952
745	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
746	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
747		955
748	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
749	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.
750		958
751	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
752		960
753	=over 4	961	=over 4
…		…
877		1085
878	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
879	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
880		1088
881	} elsif (ref $type) {	1089	} elsif (ref $type) {
882	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
883		1091
884	} else {	1092	} else {
885	shift @arg;	1093	shift @arg;
886	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
887	}	1095	}
888	}	1096	}
889	}	1097	}
890		1098
891	sub _object_attach {	1099	sub _object_attach {
…		…
901	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
902	}	1110	}
903		1111
904	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
905	} else {	1113	} else {
906	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
907	}	1115	}
908		1116
909	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
910	}	1118	}
911		1119
…		…
970		1178
971	for (@$callbacks) {	1179	for (@$callbacks) {
972	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
973		1181
974	if ($@) {	1182	if ($@) {
975	warn "$@";
976	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
977	override;	1184	override;
978	}	1185	}
979		1186
980	return 1 if $override;	1187	return 1 if $override;
981	}	1188	}
…		…
1044		1251
1045	sub reattach {	1252	sub reattach {
1046	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
1047	my ($obj) = @_;	1254	my ($obj) = @_;
1048		1255
		1256	# no longer needed after getting rid of delete_package?
1049	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
1050		1258
1051	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
1052		1260
1053	@$registry = ();	1261	@$registry = ();
1054		1262
…		…
1059	for (@$attach) {	1267	for (@$attach) {
1060	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
1061	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
1062	}	1270	}
1063	} else {	1271	} else {
1064	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1065	}	1273	}
1066	}	1274	}
1067	}	1275	}
1068		1276
1069	cf::attachable->attach (	1277	cf::attachable->attach (
…		…
1096	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1097		1305
1098	sync_job {	1306	sync_job {
1099	if (length $$rdata) {	1307	if (length $$rdata) {
1100	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1101	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1102	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1103		1312
1104	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1105	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1106	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1107	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	}
1108	close $fh;	1320	aio_close $fh;
1109		1321
1110	if (@$objs) {	1322	if (@$objs) {
1111	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) {
1112	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1113	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1114	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1115	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	}
1116	close $fh;	1331	aio_close $fh;
1117	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1118	}	1333	}
1119	} else {	1334	} else {
1120	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1121	}	1336	}
1122		1337
1123	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1124	} else {	1342	} else {
1125	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1126	}	1344	}
1127	} else {	1345	} else {
1128	aio_unlink $filename;	1346	aio_unlink $filename;
1129	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1130	}	1348	}
…		…
1154	my $st = eval { Coro::Storable::thaw $av };	1372	my $st = eval { Coro::Storable::thaw $av };
1155	$av = $st->{objs};	1373	$av = $st->{objs};
1156	}	1374	}
1157		1375
1158	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1159	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1160	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1161		1380
1162	($data, $av)	1381	($data, $av)
1163	}	1382	}
1164		1383
1165	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1221	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1222		1441
1223	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1224	}	1443	}
1225		1444
		1445	use File::Glob ();
		1446
1226	cf::player->attach (	1447	cf::player->attach (
1227	on_command => sub {	1448	on_unknown_command => sub {
1228	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1229		1450
1230	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1231	or return;	1452	or return;
1232		1453
…		…
1255		1476
1256	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1257	if $reply;	1478	if $reply;
1258		1479
1259	} else {	1480	} else {
1260	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1261	}	1482	}
1262		1483
1263	cf::override;	1484	cf::override;
1264	},	1485	},
1265	);	1486	);
1266		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
1267	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1268	cf::sync_job {	1504	cf::sync_job {
1269	my %todo;	1505	my %todo;
1270		1506
1271	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1272	next unless -r $path;	1508	next unless -r $path;
…		…
1290		1526
1291	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1292	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1293		1529
1294	$ext{source} =	1530	$ext{source} =
1295	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1296	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1297	. $source	1533	. $source
1298	. "\n};\n1";	1534	. "\n};\n1";
1299		1535
1300	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1301	}	1537	}
1302		1538
		1539	my $pass = 0;
1303	my %done;	1540	my %done;
1304	while (%todo) {	1541	while (%todo) {
1305	my $progress;	1542	my $progress;
1306		1543
		1544	++$pass;
		1545
		1546	ext:
1307	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1308	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1309	goto skip	1549	next ext
1310	unless exists $done{$_};	1550	unless exists $done{$_};
1311	}	1551	}
1312		1552
1313	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1314		1554
1315	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1316	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1317	: "$v->{base}: extension inactive.\n";
1318		1559
1319	if (exists $v->{meta}{mandatory}) {
1320	warn $msg;
1321	cf::cleanup "mandatory extension failed to load, exiting.";	1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1322	}	1561	if exists $v->{meta}{mandatory};
1323		1562
1324	warn $msg;	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1564	delete $todo{$k};
		1565	} else {
		1566	$done{$k} = delete $todo{$k};
		1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1325	}	1572	}
1326
1327	$done{$k} = delete $todo{$k};
1328	push @EXTS, $v->{pkg};
1329	$progress = 1;
1330	}	1573	}
1331		1574
1332	skip:	1575	unless ($progress) {
1333	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1334	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	}
1335	}	1585	}
1336	};	1586	};
1337	}	1587	}
1338		1588
1339	#############################################################################	1589	#############################################################################
1340		1590
1341	=back	1591	=back
1342		1592
1343	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1344		1594
1345	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1346		1596
1347	=cut	1597	=cut
1348		1598
1349	package cf::player;	1599	package cf::player;
1350		1600
…		…
1393		1643
1394	sub exists($) {	1644	sub exists($) {
1395	my ($login) = @_;	1645	my ($login) = @_;
1396		1646
1397	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1398	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1399	}	1649	}
1400		1650
1401	sub find($) {	1651	sub find($) {
1402	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1403	my $login = $_[0];	1653	my $login = $_[0];
…		…
1415	my $f = new_from_file cf::object::thawer path $login	1665	my $f = new_from_file cf::object::thawer path $login
1416	or return;	1666	or return;
1417		1667
1418	my $pl = cf::player::load_pl $f	1668	my $pl = cf::player::load_pl $f
1419	or return;	1669	or return;
		1670
1420	local $cf::PLAYER_LOADING{$login} = $pl;	1671	local $cf::PLAYER_LOADING{$login} = $pl;
1421	$f->resolve_delayed_derefs;	1672	$f->resolve_delayed_derefs;
1422	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1423	}	1674	}
1424	}	1675	}
1425	}	1676	}
1426		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	);
		1690
1427	sub save($) {	1691	sub save($) {
1428	my ($pl) = @_;	1692	my ($pl) = @_;
1429		1693
1430	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
1431		1695
…		…
1434		1698
1435	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1436		1700
1437	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1438	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
		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];
1439		1708
1440	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1441	cf::cede_to_tick;	1710	cf::cede_to_tick;
1442	}	1711	}
1443		1712
…		…
1475	my ($pl) = @_;	1744	my ($pl) = @_;
1476		1745
1477	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1478		1747
1479	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1480	$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
1481		1750
1482	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1483	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1484	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1485	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1486		1759
1487	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1488	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1489	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1527		1800
1528	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
1529	my $path = path $login;	1802	my $path = path $login;
1530		1803
1531	# a .pst is a dead give-away for a valid player	1804	# a .pst is a dead give-away for a valid player
1532	unless (-e "$path.pst") {	1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1533	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1534	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1535	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
1536	}	1810	}
1537		1811
…		…
1541		1815
1542	\@logins	1816	\@logins
1543	}	1817	}
1544		1818
1545	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1546		1822
1547	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1548	player. May block.	1824	player. May block.
1549		1825
1550	=cut	1826	=cut
…		…
1568	}	1844	}
1569		1845
1570	\@paths	1846	\@paths
1571	}	1847	}
1572		1848
1573	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1574		1850
1575	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1576
1577	=cut
1578
1579	use re 'eval';
1580
1581	my $group;
1582	my $interior; $interior = qr{
1583	# match a pod interior sequence sans C<< >>
1584	(?:
1585	\ (.*?)\ (?{ $group = $^N })
1586	| < (??{$interior}) >
1587	)
1588	}x;
1589
1590	sub expand_cfpod {
1591	my ($self, $pod) = @_;
1592
1593	my $xml;
1594
1595	while () {
1596	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1597	$group = $1;
1598
1599	$group =~ s/&/&amp;/g;
1600	$group =~ s/</&lt;/g;
1601
1602	$xml .= $group;
1603	} elsif ($pod =~ m%\G
1604	([BCGHITU])
1605	<
1606	(?:
1607	([^<>]*) (?{ $group = $^N })
1608	| < $interior >
1609	)
1610	>
1611	%gcsx
1612	) {
1613	my ($code, $data) = ($1, $group);
1614
1615	if ($code eq "B") {
1616	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1617	} elsif ($code eq "I") {
1618	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1619	} elsif ($code eq "U") {
1620	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1621	} elsif ($code eq "C") {
1622	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1623	} elsif ($code eq "T") {
1624	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1625	} elsif ($code eq "G") {
1626	my ($male, $female) = split /\|/, $data;
1627	$data = $self->gender ? $female : $male;
1628	$xml .= expand_cfpod ($self, $data);
1629	} elsif ($code eq "H") {
1630	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1631	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1632	"")
1633	[$self->{hintmode}];
1634	} else {
1635	$xml .= "error processing '$code($data)' directive";
1636	}
1637	} else {
1638	if ($pod =~ /\G(.+)/) {
1639	warn "parse error while expanding $pod (at $1)";
1640	}
1641	last;
1642	}
1643	}
1644
1645	for ($xml) {
1646	# create single paragraphs (very hackish)
1647	s/(?<=\S)\n(?=\w)/ /g;
1648
1649	# compress some whitespace
1650	s/\s+\n/\n/g; # ws line-ends
1651	s/\n\n+/\n/g; # double lines
1652	s/^\n+//; # beginning lines
1653	s/\n+$//; # ending lines
1654	}
1655
1656	$xml
1657	}
1658
1659	no re 'eval';
1660
1661	sub hintmode {
1662	$_[0]{hintmode} = $_[1] if @_ > 1;
1663	$_[0]{hintmode}
1664	}
1665		1852
1666	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1667		1854
1668	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1669		1856
…		…
1701		1888
1702	=cut	1889	=cut
1703		1890
1704	sub find_by_path($) {	1891	sub find_by_path($) {
1705	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1706		1895
1707	my ($match, $specificity);	1896	my ($match, $specificity);
1708		1897
1709	for my $region (list) {	1898	for my $region (list) {
1710	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1736	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1737	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1738		1927
1739	sub generate_random_map {	1928	sub generate_random_map {
1740	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1741	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1742	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1743	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1744	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1745	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1746	$rmp->{exit_on_final_map},
1747	$rmp->{xsize}, $rmp->{ysize},
1748	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1749	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1750	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1751	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1752	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1753	(cf::region::find $rmp->{region}), $rmp->{custom}
1754	)
1755	}	1934	}
1756		1935
1757	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1758		1937
1759	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
…		…
1764		1943
1765	sub register {	1944	sub register {
1766	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1767	my $pkg = caller;	1946	my $pkg = caller;
1768		1947
1769	no strict;
1770	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1771		1949
1772	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1773	}	1951	}
1774		1952
1775	# also paths starting with '/'	1953	# also paths starting with '/'
1776	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1777		1955
1778	sub thawer_merge {	1956	sub thawer_merge {
1779	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1780		1958
1781	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1786	}	1964	}
1787		1965
1788	sub normalise {	1966	sub normalise {
1789	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1790		1968
1791	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1792		1970
1793	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1794		1972
1795	# map plan:	1973	# map plan:
1796	#	1974	#
…		…
1811	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1812	$path = "$base/$path";	1990	$path = "$base/$path";
1813	}	1991	}
1814		1992
1815	for ($path) {	1993	for ($path) {
1816	redo if s{//}{/};
1817	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1818	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1819	}	1996	}
1820		1997
1821	$path	1998	$path
…		…
1835	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1836	return $self;	2013	return $self;
1837	}	2014	}
1838	}	2015	}
1839		2016
1840	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1841	()	2018	()
1842	}	2019	}
1843		2020
		2021	# may re-bless or do other evil things
1844	sub init {	2022	sub init {
1845	my ($self) = @_;	2023	my ($self) = @_;
1846		2024
1847	$self	2025	$self
1848	}	2026	}
…		…
1867		2045
1868	# the temporary/swap location	2046	# the temporary/swap location
1869	sub save_path {	2047	sub save_path {
1870	my ($self) = @_;	2048	my ($self) = @_;
1871		2049
1872	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1873	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1874	}	2052	}
1875		2053
1876	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1877	sub uniq_path {	2055	sub uniq_path {
1878	my ($self) = @_;	2056	my ($self) = @_;
1879		2057
1880	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1881	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1882	}
1883
1884	# and all this just because we cannot iterate over
1885	# all maps in C++...
1886	sub change_all_map_light {
1887	my ($change) = @_;
1888
1889	$_->change_map_light ($change)
1890	for grep $_->outdoor, values %cf::MAP;
1891	}	2060	}
1892		2061
1893	sub decay_objects {	2062	sub decay_objects {
1894	my ($self) = @_;	2063	my ($self) = @_;
1895		2064
…		…
1922	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1923		2092
1924	1	2093	1
1925	}	2094	}
1926		2095
		2096	# used to laod the header of an original map
1927	sub load_header_orig {	2097	sub load_header_orig {
1928	my ($self) = @_;	2098	my ($self) = @_;
1929		2099
1930	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1931	}	2101	}
1932		2102
		2103	# used to laod the header of an instantiated map
1933	sub load_header_temp {	2104	sub load_header_temp {
1934	my ($self) = @_;	2105	my ($self) = @_;
1935		2106
1936	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1937	}	2108	}
1938		2109
		2110	# called after loading the header from an instantiated map
1939	sub prepare_temp {	2111	sub prepare_temp {
1940	my ($self) = @_;	2112	my ($self) = @_;
1941		2113
1942	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1943	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1944	# safety	2116	# safety
1945	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1946	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1947	}	2119	}
1948		2120
		2121	# called after loading the header from an original map
1949	sub prepare_orig {	2122	sub prepare_orig {
1950	my ($self) = @_;	2123	my ($self) = @_;
1951		2124
1952	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1953	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1977		2150
1978	sub find;	2151	sub find;
1979	sub find {	2152	sub find {
1980	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1981		2154
		2155	cf::cede_to_tick;
		2156
1982	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1983		2158
1984	cf::lock_wait "map_data:$path";#d#remove	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1985	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1986		2161
1987	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1988	my $guard1 = cf::lock_acquire "map_find:$path";
1989	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1990
1991	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1992	or return;	2164	or return;
1993		2165
1994	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1995		2167
…		…
1997	or return;	2169	or return;
1998		2170
1999	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2000	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
2001	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
2002	undef $guard1;	2175	undef $guard1;
2003	undef $guard2;
2004	$map->reset;	2176	$map->reset;
2005	return find $path;	2177	return find $path;
2006	}	2178	}
2007		2179
2008	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
2009	}	2181	}
2010	}	2182	}
2011		2183
2012	sub pre_load { }	2184	sub pre_load { }
2013	sub post_load { }	2185	#sub post_load { } # XS
2014		2186
2015	sub load {	2187	sub load {
2016	my ($self) = @_;	2188	my ($self) = @_;
2017		2189
2018	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2021		2193
2022	{	2194	{
2023	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
2024		2196
2025	return unless $self->valid;	2197	return unless $self->valid;
2026	return unless $self->in_memory == cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
2027
2028	$self->in_memory (cf::MAP_LOADING);
2029		2199
2030	$self->alloc;	2200	$self->alloc;
2031		2201
2032	$self->pre_load;	2202	$self->pre_load;
2033	cf::cede_to_tick;	2203	cf::cede_to_tick;
2034		2204
		2205	if (exists $self->{load_path}) {
2035	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
2036	$f->skip_block;	2207	$f->skip_block;
2037	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
2038	or return;	2209	or return;
2039		2210
2040	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
2041	if delete $self->{load_original};	2212	if delete $self->{load_original};
2042		2213
2043	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
2044	utf8::encode $uniq;	2215	utf8::encode $uniq;
2045	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
2046	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
2047	$self->clear_unique_items;	2218	$self->clear_unique_items;
2048	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
2049	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
2050	}	2222	}
2051	}	2223	}
2052	}
2053		2224
2054	$f->resolve_delayed_derefs;	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);
2055		2232
2056	cf::cede_to_tick;	2233	cf::cede_to_tick;
2057	# now do the right thing for maps	2234	# now do the right thing for maps
2058	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
2059	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
2063	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
2064	$self->decay_objects;	2241	$self->decay_objects;
2065	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
2066	$self->update_buttons;	2243	$self->update_buttons;
2067	cf::cede_to_tick;	2244	cf::cede_to_tick;
2068	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
2069	cf::cede_to_tick;
2070	$self->activate;
2071	}	2246	}
2072		2247
2073	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
2074	$self->last_access ($cf::RUNTIME);	2249	$self->last_access ($cf::RUNTIME);
2075
2076	$self->in_memory (cf::MAP_IN_MEMORY);
2077	}	2250	}
2078		2251
2079	$self->post_load;	2252	$self->post_load;
2080	}
2081		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
2082	sub customise_for {	2260	sub customise_for {
2083	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
2084		2262
2085	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
2086	if $self->per_player;	2264	if $self->per_player;
…		…
2089	# if $self->per_party;	2267	# if $self->per_party;
2090		2268
2091	$self	2269	$self
2092	}	2270	}
2093		2271
2094	# find and load all maps in the 3x3 area around a map
2095	sub load_neighbours {
2096	my ($map) = @_;
2097
2098	my @neigh; # diagonal neighbours
2099
2100	for (0 .. 3) {
2101	my $neigh = $map->tile_path ($_)
2102	or next;
2103	$neigh = find $neigh, $map
2104	or next;
2105	$neigh->load;
2106
2107	push @neigh,
2108	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2109	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2110	}
2111
2112	for (grep defined $_->[0], @neigh) {
2113	my ($path, $origin) = @$_;
2114	my $neigh = find $path, $origin
2115	or next;
2116	$neigh->load;
2117	}
2118	}
2119
2120	sub find_sync {	2272	sub find_sync {
2121	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
2122		2274
2123	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
2124	}	2280	}
2125		2281
2126	sub do_load_sync {	2282	sub do_load_sync {
2127	my ($map) = @_;	2283	my ($map) = @_;
2128		2284
		2285	# it's a bug to call this from the main context
2129	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2130	if $Coro::current == $Coro::main;	2287	if $Coro::current == $Coro::main;
2131		2288
2132	cf::sync_job { $map->load };	2289	$map->load;
2133	}	2290	}
2134		2291
2135	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
2136	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
2137		2294
2138	sub find_async {	2295	sub find_async {
2139	my ($path, $origin, $load) = @_;	2296	my ($path, $origin, $load) = @_;
2140		2297
2141	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
2142		2299
2143	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
2144	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
2145	}	2302	}
2146		2303
2147	$MAP_PREFETCH{$path} |= $load;	2304	$MAP_PREFETCH{$path} |= $load;
2148		2305
2149	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
…		…
2163	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
2164		2321
2165	()	2322	()
2166	}	2323	}
2167		2324
		2325	# common code, used by both ->save and ->swapout
2168	sub save {	2326	sub _save {
2169	my ($self) = @_;	2327	my ($self) = @_;
2170
2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
2172		2328
2173	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
2174		2330
2175	return unless $self->dirty;	2331	return unless $self->dirty;
2176		2332
…		…
2185		2341
2186	cf::async {	2342	cf::async {
2187	$Coro::current->{desc} = "map player save";	2343	$Coro::current->{desc} = "map player save";
2188	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
2189	};	2345	};
		2346
		2347	cf::get_slot 0.02;
2190		2348
2191	if ($uniq) {	2349	if ($uniq) {
2192	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2193	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2194	} else {	2352	} else {
2195	$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);
2196	}	2354	}
2197	}	2355	}
2198		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
2199	sub swap_out {	2365	sub swap_out {
2200	my ($self) = @_;	2366	my ($self) = @_;
2201		2367
2202	# save first because save cedes
2203	$self->save;
2204
2205	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
2206		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
2207	return if $self->players;	2372	return if $self->players;
2208	return if $self->in_memory != cf::MAP_IN_MEMORY;	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
		2383	$self->clear;
		2384	}
		2385
		2386	sub reset_at {
		2387	my ($self) = @_;
		2388
		2389	# TODO: safety, remove and allow resettable per-player maps
2209	return if $self->{deny_save};	2390	return 1e99 if $self->{deny_reset};
2210		2391
		2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2394
		2395	$time + $to
		2396	}
		2397
		2398	sub should_reset {
		2399	my ($self) = @_;
		2400
		2401	$self->reset_at <= $cf::RUNTIME
		2402	}
		2403
		2404	sub reset {
		2405	my ($self) = @_;
		2406
		2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2408
		2409	return if $self->players;
		2410
		2411	cf::trace "resetting map ", $self->path, "\n";
		2412
2211	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
		2414
		2415	# need to save uniques path
		2416	unless ($self->{deny_save}) {
		2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2418
		2419	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2420	if $uniq;
		2421	}
		2422
		2423	delete $cf::MAP{$self->path};
2212		2424
2213	$self->deactivate;	2425	$self->deactivate;
2214	$_->clear_links_to ($self) for values %cf::MAP;	2426	$_->clear_links_to ($self) for values %cf::MAP;
2215	$self->clear;	2427	$self->clear;
2216	}
2217
2218	sub reset_at {
2219	my ($self) = @_;
2220
2221	# TODO: safety, remove and allow resettable per-player maps
2222	return 1e99 if $self->{deny_reset};
2223
2224	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2225	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2226
2227	$time + $to
2228	}
2229
2230	sub should_reset {
2231	my ($self) = @_;
2232
2233	$self->reset_at <= $cf::RUNTIME
2234	}
2235
2236	sub reset {
2237	my ($self) = @_;
2238
2239	my $lock = cf::lock_acquire "map_data:$self->{path}";
2240
2241	return if $self->players;
2242
2243	warn "resetting map ", $self->path;
2244
2245	$self->in_memory (cf::MAP_SWAPPED);
2246
2247	# need to save uniques path
2248	unless ($self->{deny_save}) {
2249	my $uniq = $self->uniq_path; utf8::encode $uniq;
2250
2251	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2252	if $uniq;
2253	}
2254
2255	delete $cf::MAP{$self->path};
2256
2257	$self->deactivate;
2258	$_->clear_links_to ($self) for values %cf::MAP;
2259	$self->clear;
2260		2428
2261	$self->unlink_save;	2429	$self->unlink_save;
2262	$self->destroy;	2430	$self->destroy;
2263	}	2431	}
2264		2432
…		…
2272		2440
2273	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
2274		2442
2275	$self->unlink_save;	2443	$self->unlink_save;
2276		2444
2277	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
2278	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
2279	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
2280	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
2281	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2282		2450
…		…
2331		2499
2332	sub unique_maps() {	2500	sub unique_maps() {
2333	[	2501	[
2334	map {	2502	map {
2335	utf8::decode $_;	2503	utf8::decode $_;
2336	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2337	? normalise $_	2507	: normalise $_
2338	: ()
2339	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2340	]	2509	]
2341	}	2510	}
2342		2511
2343	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	}
2344		2543
2345	=back	2544	=back
2346		2545
2347	=head3 cf::object	2546	=head3 cf::object
2348		2547
…		…
2352		2551
2353	=over 4	2552	=over 4
2354		2553
2355	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2356		2555
2357	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.
2358		2558
2359	=cut	2559	=cut
2360		2560
2361	sub inv_recursive_;	2561	sub inv_recursive_;
2362	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2367	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2368	}	2568	}
2369		2569
2370	=item $ref = $ob->ref	2570	=item $ref = $ob->ref
2371		2571
2372	creates and returns a persistent reference to an objetc that can be stored as a string.	2572	Creates and returns a persistent reference to an object that can be stored as a string.
2373		2573
2374	=item $ob = cf::object::deref ($refstring)	2574	=item $ob = cf::object::deref ($refstring)
2375		2575
2376	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2377	even if the object actually exists. May block.	2577	even if the object actually exists. May block.
…		…
2409	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
2410	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2411		2611
2412	=cut	2612	=cut
2413		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	};
		2627
2414	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2415	# with dialog boxes.	2629	# with dialog boxes.
2416	#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
2417	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
2418	my ($self, $npc, $msg, $flags) = @_;	2632	my ($self, $npc, $msg, $flags) = @_;
…		…
2429	my $dialog = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2431		2645
2432	} else {	2646	} else {
2433	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2434	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2435	}	2649	}
2436	}	2650	}
2437	}	2651	}
2438		2652
2439	=item $object->send_msg ($channel, $msg, $color, [extra...])	2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2464		2678
2465	=item $player_object->enter_link	2679	=item $player_object->enter_link
2466		2680
2467	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}>).
2468		2682
2469	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.
2470	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.
2471		2687
2472	Will never block.	2688	Will never block.
2473		2689
2474	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2475		2691
…		…
2495	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2496	my ($self) = @_;	2712	my ($self) = @_;
2497		2713
2498	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2499		2715
		2716	++$self->{_link_recursion};
		2717
2500	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2501		2719
2502	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2503	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2504		2722
2505	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2506	}	2724	}
2507		2725
2508	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2509	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2510		2728
…		…
2527	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2528	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2529		2747
2530	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2531	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2532	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2533		2751
2534	$map->load;	2752	$map->load;
2535	$map->load_neighbours;
2536		2753
2537	return unless $self->contr->active;	2754	return unless $self->contr->active;
2538	$self->activate_recursive;
2539		2755
2540	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2541	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2542	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2543		2763
		2764	}
		2765
2544	=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)]])
2545		2767
2546	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
2547	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2548	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
2549	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
2550	be called at the end of this process.	2772	be called at the end of this process.
2551		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
2552	=cut	2777	=cut
2553		2778
2554	our $GOTOGEN;	2779	our $GOTOGEN;
2555		2780
2556	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2557	my ($self, $path, $x, $y, $check, $done) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($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	}
2558		2789
2559	# 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
2560	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2561		2792
2562	$self->enter_link;	2793	$self->enter_link;
…		…
2582	($path, $x, $y) = (undef, undef, undef);	2813	($path, $x, $y) = (undef, undef, undef);
2583	}	2814	}
2584	}	2815	}
2585		2816
2586	my $map = eval {	2817	my $map = eval {
2587	my $map = defined $path ? cf::map::find $path : undef;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2588		2819
2589	if ($map) {	2820	if ($map) {
2590	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2591	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2592	} else {	2823	} else {
2593	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2594	}	2825	}
2595		2826
2596	$map	2827	$map
…		…
2604	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2605	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2606	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2607	}	2838	}
2608		2839
2609	$done->() if $done;	2840	$done->($self) if $done;
2610	})->prio (1);	2841	})->prio (1);
2611	}	2842	}
2612		2843
2613	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2614		2845
…		…
2634	}	2865	}
2635		2866
2636	sub prepare_random_map {	2867	sub prepare_random_map {
2637	my ($exit) = @_;	2868	my ($exit) = @_;
2638		2869
2639	my $guard = cf::lock_acquire "exit_prepare:$exit";
2640
2641	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2642	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2643	# that depends on the exit object	2872	# that depends on the exit object
2644		2873
2645	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2647	if ($exit->map) {	2876	if ($exit->map) {
2648	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2649	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2650	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2651	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2652	}	2883	}
2653		2884
2654	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2655		2886
2656	my $data = cf::encode_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2657	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2658	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2659		2890
2660	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2661	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2662	undef $fh;	2893	undef $fh;
2663	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2664		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2665	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2666	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2667	}	2902	}
2668	}	2903	}
2669		2904
2670	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2671	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2672		2907
2673	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2674		2909
2675	if ($exit->slaying eq "/!") {
2676	#TODO: this should de-fi-ni-te-ly not be a sync-job
2677	# the problem is that $exit might not survive long enough
2678	# so it needs to be done right now, right here
2679	cf::sync_job { prepare_random_map $exit };
2680	}
2681
2682	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2683	my $hp = $exit->stats->hp;
2684	my $sp = $exit->stats->sp;
2685
2686	$self->enter_link;	2910	$self->enter_link;
2687		2911
2688	# if exit is damned, update players death & WoR home-position
2689	$self->contr->savebed ($slaying, $hp, $sp)
2690	if $exit->flag (FLAG_DAMNED);
2691
2692	(async {	2912	(async {
2693	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2913	$Coro::current->{desc} = "enter_exit";
2694		2914
2695	$self->deactivate_recursive; # just to be sure
2696	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
2697	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2698		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
2699	1;	2951	1
2700	}) {	2952	}) {
2701	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2702	. "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. "
2703	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2704	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2705		2957
2706	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2707	$self->leave_link;	2959	$self->leave_link;
2708	}	2960	}
2709	})->prio (1);	2961	})->prio (1);
2710	}	2962	}
2711		2963
…		…
2723	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
2724	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
2725		2977
2726	utf8::encode $text;	2978	utf8::encode $text;
2727	$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);
2728	}	3005	}
2729		3006
2730	=item $client->send_msg ($channel, $msg, $color, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2731		3008
2732	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
…		…
2736		3013
2737	=cut	3014	=cut
2738		3015
2739	# non-persistent channels (usually the info channel)	3016	# non-persistent channels (usually the info channel)
2740	our %CHANNEL = (	3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
2741	"c/identify" => {	3024	"c/identify" => {
2742	id => "infobox",	3025	id => "infobox",
2743	title => "Identify",	3026	title => "Identify",
2744	reply => undef,	3027	reply => undef,
2745	tooltip => "Items recently identified",	3028	tooltip => "Items recently identified",
…		…
2747	"c/examine" => {	3030	"c/examine" => {
2748	id => "infobox",	3031	id => "infobox",
2749	title => "Examine",	3032	title => "Examine",
2750	reply => undef,	3033	reply => undef,
2751	tooltip => "Signs and other items you examined",	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",
2752	},	3041	},
2753	"c/book" => {	3042	"c/book" => {
2754	id => "infobox",	3043	id => "infobox",
2755	title => "Book",	3044	title => "Book",
2756	reply => undef,	3045	reply => undef,
…		…
2772	id => "infobox",	3061	id => "infobox",
2773	title => "Body Parts",	3062	title => "Body Parts",
2774	reply => undef,	3063	reply => undef,
2775	tooltip => "Shows which body parts you posess and are available",	3064	tooltip => "Shows which body parts you posess and are available",
2776	},	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	},
2777	"c/uptime" => {	3102	"c/uptime" => {
2778	id => "infobox",	3103	id => "infobox",
2779	title => "Uptime",	3104	title => "Uptime",
2780	reply => undef,	3105	reply => undef,
2781	tooltip => "How long the server has been running since last restart",	3106	tooltip => "How long the server has been running since last restart",
…		…
2784	id => "infobox",	3109	id => "infobox",
2785	title => "Map Info",	3110	title => "Map Info",
2786	reply => undef,	3111	reply => undef,
2787	tooltip => "Information related to the maps",	3112	tooltip => "Information related to the maps",
2788	},	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" => $CHAT_CHANNEL,
2789	);	3128	);
2790		3129
2791	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2792	my ($self, $channel, $msg, $color, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2793		3132
2794	$msg = $self->pl->expand_cfpod ($msg);	3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
2795		3135
2796	$color &= cf::NDI_CLIENT_MASK; # just in case...	3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
2797		3137
2798	# check predefined channels, for the benefit of C	3138	# check predefined channels, for the benefit of C
2799	if ($CHANNEL{$channel}) {	3139	if ($CHANNEL{$channel}) {
2800	$channel = $CHANNEL{$channel};	3140	$channel = $CHANNEL{$channel};
2801		3141
2802	$self->ext_msg (channel_info => $channel)	3142	$self->ext_msg (channel_info => $channel);
2803	if $self->can_msg;
2804
2805	$channel = $channel->{id};	3143	$channel = $channel->{id};
2806		3144
2807	} elsif (ref $channel) {	3145	} elsif (ref $channel) {
2808	# send meta info to client, if not yet sent	3146	# send meta info to client, if not yet sent
2809	unless (exists $self->{channel}{$channel->{id}}) {	3147	unless (exists $self->{channel}{$channel->{id}}) {
2810	$self->{channel}{$channel->{id}} = $channel;	3148	$self->{channel}{$channel->{id}} = $channel;
2811	$self->ext_msg (channel_info => $channel)	3149	$self->ext_msg (channel_info => $channel);
2812	if $self->can_msg;
2813	}	3150	}
2814		3151
2815	$channel = $channel->{id};	3152	$channel = $channel->{id};
2816	}	3153	}
2817		3154
2818	return unless @extra || length $msg;	3155	return unless @extra || length $msg;
2819		3156
2820	if ($self->can_msg) {
2821	# default colour, mask it out	3157	# default colour, mask it out
2822	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2823	if $color & cf::NDI_DEF;	3159	if $color & cf::NDI_DEF;
2824		3160
2825	$self->send_packet ("msg " . $self->{json_coder}->encode (	3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
2826	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2827	} else {	3164	);
2828	if ($color >= 0) {
2829	# replace some tags by gcfclient-compatible ones
2830	for ($msg) {
2831	1 while
2832	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2833	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2834	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2835	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2836	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2837	}
2838		3165
2839	$color &= cf::NDI_COLOR_MASK;	3166	$self->send_big_packet ($pkt);
2840
2841	utf8::encode $msg;
2842
2843	if (0 && $msg =~ /\[/) {
2844	# COMMAND/INFO
2845	$self->send_packet ("drawextinfo $color 10 8 $msg")
2846	} else {
2847	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2848	$self->send_packet ("drawinfo $color $msg")
2849	}
2850	}
2851	}
2852	}	3167	}
2853		3168
2854	=item $client->ext_msg ($type, @msg)	3169	=item $client->ext_msg ($type, @msg)
2855		3170
2856	Sends an ext event to the client.	3171	Sends an ext event to the client.
…		…
2859		3174
2860	sub cf::client::ext_msg($$@) {	3175	sub cf::client::ext_msg($$@) {
2861	my ($self, $type, @msg) = @_;	3176	my ($self, $type, @msg) = @_;
2862		3177
2863	if ($self->extcmd == 2) {	3178	if ($self->extcmd == 2) {
2864	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2865	} elsif ($self->extcmd == 1) { # TODO: remove	3180	} elsif ($self->extcmd == 1) { # TODO: remove
2866	push @msg, msgtype => "event_$type";	3181	push @msg, msgtype => "event_$type";
2867	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2868	}	3183	}
2869	}	3184	}
2870		3185
2871	=item $client->ext_reply ($msgid, @msg)	3186	=item $client->ext_reply ($msgid, @msg)
2872		3187
…		…
2876		3191
2877	sub cf::client::ext_reply($$@) {	3192	sub cf::client::ext_reply($$@) {
2878	my ($self, $id, @msg) = @_;	3193	my ($self, $id, @msg) = @_;
2879		3194
2880	if ($self->extcmd == 2) {	3195	if ($self->extcmd == 2) {
2881	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2882	} elsif ($self->extcmd == 1) {	3197	} elsif ($self->extcmd == 1) {
2883	#TODO: version 1, remove	3198	#TODO: version 1, remove
2884	unshift @msg, msgtype => "reply", msgid => $id;	3199	unshift @msg, msgtype => "reply", msgid => $id;
2885	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2886	}	3201	}
2887	}	3202	}
2888		3203
2889	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2890		3205
…		…
2961		3276
2962	$ns->ext_reply ($reply, @reply)	3277	$ns->ext_reply ($reply, @reply)
2963	if $reply;	3278	if $reply;
2964		3279
2965	} else {	3280	} else {
2966	warn "client " . ($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";
2967	}	3282	}
2968		3283
2969	cf::override;	3284	cf::override;
2970	},	3285	},
2971	);	3286	);
…		…
2991		3306
2992	$coro	3307	$coro
2993	}	3308	}
2994		3309
2995	cf::client->attach (	3310	cf::client->attach (
2996	on_destroy => sub {	3311	on_client_destroy => sub {
2997	my ($ns) = @_;	3312	my ($ns) = @_;
2998		3313
2999	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3000	},	3315	},
3001	);	3316	);
…		…
3017	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
3018		3333
3019	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
3020		3335
3021	$safe->permit_only (Opcode::opset qw(	3336	$safe->permit_only (Opcode::opset qw(
3022	:base_core :base_mem :base_orig :base_math	3337	:base_core :base_mem :base_orig :base_math :base_loop
3023	grepstart grepwhile mapstart mapwhile	3338	grepstart grepwhile mapstart mapwhile
3024	sort time	3339	sort time
3025	));	3340	));
3026		3341
3027	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
…		…
3030		3345
3031	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
3032		3347
3033	cf::object	3348	cf::object
3034	contr pay_amount pay_player map x y force_find force_add destroy	3349	contr pay_amount pay_player map x y force_find force_add destroy
3035	insert remove name archname title slaying race decrease_ob_nr	3350	insert remove name archname title slaying race decrease split
		3351	value
3036		3352
3037	cf::object::player	3353	cf::object::player
3038	player	3354	player
3039		3355
3040	cf::player	3356	cf::player
…		…
3045		3361
3046	=cut	3362	=cut
3047		3363
3048	for (	3364	for (
3049	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3050	insert remove inv name archname title slaying race	3366	insert remove inv nrof name archname title slaying race
3051	decrease_ob_nr destroy)],	3367	decrease split destroy change_exp value msg lore send_msg)],
3052	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
3053	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
3054	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
3055	) {	3371	) {
3056	no strict 'refs';
3057	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
3058	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3059	for @funs;	3374	for @funs;
3060	}	3375	}
3061		3376
…		…
3076		3391
3077	my $qcode = $code;	3392	my $qcode = $code;
3078	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3079	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
3080		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
3081	local $_;	3399	local $_;
3082	local @safe::cf::_safe_eval_args = values %vars;
3083		3400
3084	my $eval =	3401	my $eval =
3085	"do {\n"	3402	"do {\n"
3086	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3087	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
3088	. $code	3405	. $code
3089	. "\n}"	3406	. "\n}"
3090	;	3407	;
3091		3408
		3409	if ($CFG{safe_eval}) {
3092	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
3093	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3094	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
3095		3418
3096	if ($@) {	3419	if ($@) {
3097	warn "$@";	3420	warn "$@",
3098	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
3099	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
3100	}	3423	}
3101		3424
3102	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
3103	}	3426	}
3104		3427
…		…
3118	=cut	3441	=cut
3119		3442
3120	sub register_script_function {	3443	sub register_script_function {
3121	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
3122		3445
3123	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
3124	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
3125	}	3448	}
3126		3449
3127	=back	3450	=back
3128		3451
3129	=cut	3452	=cut
…		…
3138	# for this (global event?)	3461	# for this (global event?)
3139	%ext::player_env::MUSIC_FACE_CACHE = ();	3462	%ext::player_env::MUSIC_FACE_CACHE = ();
3140		3463
3141	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3142		3465
3143	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
3144		3467
3145	my $facedata;	3468	my $facedata = decode_storable load_file $path;
3146	0 < aio_load $path, $facedata
3147	or die "$path: $!";
3148
3149	$facedata = Coro::Storable::thaw $facedata;
3150		3469
3151	$facedata->{version} == 2	3470	$facedata->{version} == 2
3152	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
3153		3472
3154	# 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]);
3155	$facedata->{resource}{"res/exp_table"} = {	3475	$facedata->{resource}{"res/exp_table"} = {
3156	type => FT_RSRC,	3476	type => FT_RSRC,
3157	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),
3158	};	3479	};
3159	cf::cede_to_tick;	3480	cf::cede_to_tick;
3160		3481
3161	{	3482	{
3162	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
…		…
3164	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
3165	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3166		3487
3167	cf::face::set_visibility $idx, $info->{visibility};	3488	cf::face::set_visibility $idx, $info->{visibility};
3168	cf::face::set_magicmap $idx, $info->{magicmap};	3489	cf::face::set_magicmap $idx, $info->{magicmap};
3169	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3170	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} , $info->{glyph} ;
3171		3493
3172	cf::cede_to_tick;	3494	cf::cede_to_tick;
3173	}	3495	}
3174		3496
3175	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
…		…
3180		3502
3181	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
3182	cf::face::set_smooth $idx, $smooth;	3504	cf::face::set_smooth $idx, $smooth;
3183	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3184	} else {	3506	} else {
3185	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
3186	}	3508	}
3187		3509
3188	cf::cede_to_tick;	3510	cf::cede_to_tick;
3189	}	3511	}
3190	}	3512	}
…		…
3199		3521
3200	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
3201	}	3523	}
3202		3524
3203	{	3525	{
3204	# TODO: for gcfclient pleasure, we should give resources
3205	# that gcfclient doesn't grok a >10000 face index.
3206	my $res = $facedata->{resource};	3526	my $res = $facedata->{resource};
3207		3527
3208	while (my ($name, $info) = each %$res) {	3528	while (my ($name, $info) = each %$res) {
3209	if (defined $info->{type}) {	3529	if (defined $info->{type}) {
3210	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3211	my $data;
3212		3531
3213	if ($info->{type} & 1) {	3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3214	# prepend meta info
3215
3216	my $meta = $enc->encode ({
3217	name => $name,
3218	%{ $info->{meta} || {} },
3219	});
3220
3221	$data = pack "(w/a*)*", $meta, $info->{data};
3222	} else {
3223	$data = $info->{data};
3224	}
3225
3226	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3227	cf::face::set_type $idx, $info->{type};	3533	cf::face::set_type $idx, $info->{type};
3228	} else {	3534	} else {
3229	$RESOURCE{$name} = $info;	3535	$RESOURCE{$name} = $info; # unused
3230	}	3536	}
3231		3537
3232	cf::cede_to_tick;	3538	cf::cede_to_tick;
3233	}	3539	}
3234	}	3540	}
3235		3541
3236	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3237		3543
3238	1	3544	1
3239	}	3545	}
3240
3241	cf::global->attach (on_resource_update => sub {
3242	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3243	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3244
3245	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3246	my $sound = $soundconf->{compat}[$_]
3247	or next;
3248
3249	my $face = cf::face::find "sound/$sound->[1]";
3250	cf::sound::set $sound->[0] => $face;
3251	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3252	}
3253
3254	while (my ($k, $v) = each %{$soundconf->{event}}) {
3255	my $face = cf::face::find "sound/$v";
3256	cf::sound::set $k => $face;
3257	}
3258	}
3259	});
3260		3546
3261	register_exticmd fx_want => sub {	3547	register_exticmd fx_want => sub {
3262	my ($ns, $want) = @_;	3548	my ($ns, $want) = @_;
3263		3549
3264	while (my ($k, $v) = each %$want) {	3550	while (my ($k, $v) = each %$want) {
3265	$ns->fx_want ($k, $v);	3551	$ns->fx_want ($k, $v);
3266	}	3552	}
3267	};	3553	};
		3554
		3555	sub load_resource_file($) {
		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	$status
		3563	}
3268		3564
3269	sub reload_regions {	3565	sub reload_regions {
3270	# HACK to clear player env face cache, we need some signal framework	3566	# HACK to clear player env face cache, we need some signal framework
3271	# for this (global event?)	3567	# for this (global event?)
3272	%ext::player_env::MUSIC_FACE_CACHE = ();	3568	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3286	}	3582	}
3287		3583
3288	sub reload_archetypes {	3584	sub reload_archetypes {
3289	load_resource_file "$DATADIR/archetypes"	3585	load_resource_file "$DATADIR/archetypes"
3290	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
3291	#d# NEED to laod twice to resolve forward references
3292	# this really needs to be done in an extra post-pass
3293	# (which needs to be synchronous, so solve it differently)
3294	load_resource_file "$DATADIR/archetypes"
3295	or die "unable to load archetypes\n";
3296	}	3587	}
3297		3588
3298	sub reload_treasures {	3589	sub reload_treasures {
3299	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
3300	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
3301	}	3592	}
3302		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
3303	sub reload_resources {	3614	sub reload_resources {
3304	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
3305		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
3306	reload_regions;	3622	reload_regions;
3307	reload_facedata;
3308	#reload_archetypes;#d#
3309	reload_archetypes;
3310	reload_treasures;	3623	reload_treasures;
3311		3624
3312	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
3313	}
3314
3315	sub init {
3316	reload_resources;
3317	}	3626	}
3318		3627
3319	sub reload_config {	3628	sub reload_config {
3320	open my $fh, "<:utf8", "$CONFDIR/config"	3629	trace "reloading config file...\n";
3321	or return;
3322		3630
3323	local $/;	3631	my $config = load_file "$CONFDIR/config";
3324	*CFG = YAML::Load <$fh>;	3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
3325		3634
3326	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3327		3636
3328	$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};
3329	$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};
3330		3639
3331	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
3335	};	3644	};
3336	warn $@ if $@;	3645	warn $@ if $@;
3337	}	3646	}
3338	}	3647	}
3339		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
3340	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
3341	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
3342	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
3343	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#
3344	(async {	3690	(async {
3345	$Coro::current->{desc} = "IDLE BUG HANDLER";	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
3346	EV::loop EV::LOOP_ONESHOT;	3692	EV::loop EV::LOOP_ONESHOT;
3347	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
3348	};	3694	};
3349		3695
		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;
3350	reload_config;	3708	reload_config;
3351	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
3352	load_extensions;	3719	load_extensions;
3353		3720
3354	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
3355	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3722
3356	EV::loop;	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;
3357	}	3739	}
3358		3740
3359	#############################################################################	3741	#############################################################################
3360	# initialisation and cleanup	3742	# initialisation and cleanup
3361		3743
3362	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
3363	BEGIN {	3745	BEGIN {
3364	our %SIGWATCHER = ();	3746	our %SIGWATCHER = ();
3365	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
3366	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3367	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
3368	};	3750	};
3369	}	3751	}
3370	}	3752	}
3371		3753
3372	sub write_runtime {	3754	sub write_runtime_sync {
3373	my $runtime = "$LOCALDIR/runtime";	3755	my $t0 = AE::time;
3374		3756
3375	# first touch the runtime file to show we are still running:	3757	# first touch the runtime file to show we are still running:
3376	# the fsync below can take a very very long time.	3758	# the fsync below can take a very very long time.
3377		3759
3378	IO::AIO::aio_utime $runtime, undef, undef;	3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3379		3761
3380	my $guard = cf::lock_acquire "write_runtime";	3762	my $guard = cf::lock_acquire "write_runtime";
3381		3763
3382	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3383	or return;	3765	or return;
3384		3766
3385	my $value = $cf::RUNTIME + 90 + 10;	3767	my $value = $cf::RUNTIME + 90 + 10;
3386	# 10 is the runtime save interval, for a monotonic clock	3768	# 10 is the runtime save interval, for a monotonic clock
3387	# 60 allows for the watchdog to kill the server.	3769	# 60 allows for the watchdog to kill the server.
…		…
3397	aio_utime $fh, undef, undef;	3779	aio_utime $fh, undef, undef;
3398		3780
3399	close $fh	3781	close $fh
3400	or return;	3782	or return;
3401		3783
3402	aio_rename "$runtime~", $runtime	3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3403	and return;	3785	and return;
3404		3786
3405	warn "runtime file written.\n";	3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3406		3788
3407	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 };
3408	}	3840	}
3409		3841
3410	sub emergency_save() {	3842	sub emergency_save() {
3411	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
3412		3844
3413	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;
3414		3851
3415	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
3416	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
3417	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
3418	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
3419	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
3420	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
3421	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
3422	$pl->valid or next;	3861	$pl->valid or next;
3423	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3424	$pl->save;	3863	$pl->save;
3425	}	3864	}
3426	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
3427		3866
3428	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";
3429	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
3430	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
3431	$map->valid or next;	3872	$map->valid or next;
3432	$map->save;	3873	$map->save;
3433	}	3874	}
3434	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
3435		3876
3436	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";
3437	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
3438	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 $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
3439	};	3905	};
3440		3906
3441	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
3442	}	3908	}
3443		3909
3444	sub post_cleanup {	3910	sub post_cleanup {
3445	my ($make_core) = @_;	3911	my ($make_core) = @_;
3446		3912
		3913	IO::AIO::flush;
		3914
3447	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
3448	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	}
3449	}	3945	}
3450		3946
3451	sub do_reload_perl() {	3947	sub do_reload_perl() {
3452	# can/must only be called in main	3948	# can/must only be called in main
3453	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
3454	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
3455	return;	3951	return;
3456	}	3952	}
3457		3953
3458	warn "reloading...";	3954	return if $RELOAD++;
3459		3955
3460	warn "entering sync_job";	3956	my $t1 = AE::time;
3461		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
3462	cf::sync_job {	3964	cf::sync_job {
3463	cf::write_runtime; # external watchdog should not bark
3464	cf::emergency_save;	3965	#cf::emergency_save;
3465	cf::write_runtime; # external watchdog should not bark
3466		3966
3467	warn "syncing database to disk";
3468	BDB::db_env_txn_checkpoint $DB_ENV;
3469
3470	# if anything goes wrong in here, we should simply crash as we already saved
3471
3472	warn "flushing outstanding aio requests";
3473	for (;;) {
3474	BDB::flush;
3475	IO::AIO::flush;
3476	Coro::cede_notself;
3477	last unless IO::AIO::nreqs || BDB::nreqs;
3478	warn "iterate...";
3479	}
3480
3481	++$RELOAD;
3482
3483	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
3484	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
3485	%EXT_CORO = ();	3969	%EXT_CORO = ();
3486		3970
3487	warn "removing commands";	3971	trace "perl_reload: removing commands";
3488	%COMMAND = ();	3972	%COMMAND = ();
3489		3973
3490	warn "removing ext/exti commands";	3974	trace "perl_reload: removing ext/exti commands";
3491	%EXTCMD = ();	3975	%EXTCMD = ();
3492	%EXTICMD = ();	3976	%EXTICMD = ();
3493		3977
3494	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
3495	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
3496	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
3497		3981
3498	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
3499	eval {	3983	eval {
3500	$cb->($pkg);	3984	$cb->($pkg);
3501	1	3985	1
3502	} 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;
3503	}	3991	}
3504		3992
3505	warn "... nuking $pkg";
3506	Symbol::delete_package $pkg;
3507	}
3508
3509	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3510	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
3511	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3512		3996
3513	warn "... unloading $k";	3997	trace "... unloading $k";
3514	delete $INC{$k};	3998	delete $INC{$k};
3515		3999
3516	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
3517	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
3518		4002
3519	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
3520	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
3521	}	4008	}
3522		4009
3523	Symbol::delete_package $k;
3524	}
3525
3526	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
3527	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
3528	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);
3529		4013
3530	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
3531	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
3532	delete $INC{"cf/pod.pm"};	4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3533		4017
3534	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
3535	# and global variables created in xs	4019	# and global variables created in xs
3536	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
3537		4021
3538	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
3539		4023
3540	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
3541	require cf;	4025	require cf;
3542	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
3543		4027
3544	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
3545	cf::reload_config;	4029	cf::reload_config;
3546		4030
3547	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
3548	cf::load_extensions;	4032	cf::load_extensions;
3549		4033
		4034	if ($REATTACH_ON_RELOAD) {
3550	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
3551	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
3552	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
3553	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
3554	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
3555	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
3556		4042
3557	warn "leaving sync_job";	4043	cf::_post_init 1;
3558		4044
		4045	trace "perl_reload: leaving sync_job";
		4046
3559	1	4047	1
3560	} or do {	4048	} or do {
3561	warn $@;	4049	error $@;
3562	cf::cleanup "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
		4051	};
		4052
		4053	--$RELOAD;
3563	};	4054	}
3564		4055
3565	warn "reloaded";	4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
3566	};	4058	};
3567		4059
3568	our $RELOAD_WATCHER; # used only during reload	4060	our $RELOAD_WATCHER; # used only during reload
3569		4061
3570	sub reload_perl() {	4062	sub reload_perl() {
3571	# doing reload synchronously and two reloads happen back-to-back,	4063	# doing reload synchronously and two reloads happen back-to-back,
3572	# coro crashes during coro_state_free->destroy here.	4064	# coro crashes during coro_state_free->destroy here.
3573		4065
		4066	$RELOAD_WATCHER ||= cf::async {
		4067	Coro::AIO::aio_wait cache_extensions;
		4068
3574	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3575	do_reload_perl;	4070	do_reload_perl;
3576	undef $RELOAD_WATCHER;	4071	undef $RELOAD_WATCHER;
		4072	};
3577	};	4073	};
3578	}	4074	}
3579		4075
3580	register_command "reload" => sub {	4076	register_command "reload" => sub {
3581	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
…		…
3587	reload_perl;	4083	reload_perl;
3588	};	4084	};
3589	}	4085	}
3590	};	4086	};
3591		4087
3592	unshift @INC, $LIBDIR;	4088	#############################################################################
3593		4089
3594	my $bug_warning = 0;	4090	my $bug_warning = 0;
3595		4091
3596	our @WAIT_FOR_TICK;
3597	our @WAIT_FOR_TICK_BEGIN;
3598
3599	sub wait_for_tick {	4092	sub wait_for_tick() {
3600	return unless $TICK_WATCHER->is_active;	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3601	return if $Coro::current == $Coro::main;
3602		4094
3603	my $signal = new Coro::Signal;	4095	$WAIT_FOR_TICK->wait;
3604	push @WAIT_FOR_TICK, $signal;
3605	$signal->wait;
3606	}	4096	}
3607		4097
3608	sub wait_for_tick_begin {	4098	sub wait_for_tick_begin() {
3609	return unless $TICK_WATCHER->is_active;	4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3610	return if $Coro::current == $Coro::main;
3611		4100
3612	my $signal = new Coro::Signal;	4101	my $signal = new Coro::Signal;
3613	push @WAIT_FOR_TICK_BEGIN, $signal;	4102	push @WAIT_FOR_TICK_BEGIN, $signal;
3614	$signal->wait;	4103	$signal->wait;
3615	}	4104	}
3616		4105
3617	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4106	sub tick {
3618	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
3619	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3620	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
3621	return;	4110	return;
3622	}	4111	}
3623		4112
3624	$NOW = $tick_start = EV::now;	4113	cf::one_tick; # one server iteration
3625		4114
3626	cf::server_tick; # one server iteration	4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3627
3628	$RUNTIME += $TICK;
3629	$NEXT_TICK = $_[0]->at;
3630		4116
3631	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3632	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3633	Coro::async_pool {	4119	Coro::async_pool {
3634	$Coro::current->{desc} = "runtime saver";	4120	$Coro::current->{desc} = "runtime saver";
3635	write_runtime	4121	write_runtime_sync
3636	or warn "ERROR: unable to write runtime file: $!";	4122	or error "ERROR: unable to write runtime file: $!";
3637	};	4123	};
3638	}	4124	}
3639		4125
3640	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3641	$sig->send;	4127	$sig->send;
3642	}	4128	}
3643	while (my $sig = shift @WAIT_FOR_TICK) {	4129	$WAIT_FOR_TICK->broadcast;
3644	$sig->send;
3645	}
3646		4130
3647	$LOAD = ($NOW - $tick_start) / $TICK;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
3648	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3649		4133
3650	_post_tick;	4134	if (0) {
3651	};	4135	if ($NEXT_TICK) {
3652	$TICK_WATCHER->priority (EV::MAXPRI);	4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
		4139	}
		4140	}
		4141	}
3653		4142
3654	{	4143	{
3655	# configure BDB	4144	# configure BDB
3656		4145
3657	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
3658	BDB::max_poll_reqs $TICK * 0.1;	4147	BDB::max_poll_reqs $TICK * 0.1;
3659	$Coro::BDB::WATCHER->priority (1);	4148	$AnyEvent::BDB::WATCHER->priority (1);
3660		4149
3661	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
3662	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
3663	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3664	| BDB::LOG_AUTOREMOVE, 1);	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;
3665	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3666	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3667		4157
3668	cf::sync_job {	4158	cf::sync_job {
3669	eval {	4159	eval {
…		…
3695	{	4185	{
3696	# configure IO::AIO	4186	# configure IO::AIO
3697		4187
3698	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
3699	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
3700	$Coro::AIO::WATCHER->priority (1);	4190	undef $AnyEvent::AIO::WATCHER;
3701	}	4191	}
3702		4192
3703	my $_log_backtrace;	4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
3704		4195
3705	sub _log_backtrace {	4196	sub _log_backtrace {
3706	my ($msg, @addr) = @_;	4197	my ($msg, @addr) = @_;
3707		4198
3708	$msg =~ s/\n//;	4199	$msg =~ s/\n$//;
3709		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3710	# limit the # of concurrent backtraces	4204	# limit the # of concurrent backtraces
3711	if ($_log_backtrace < 2) {	4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
3712	++$_log_backtrace;	4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
3713	async {	4209	async {
3714	$Coro::current->{desc} = "abt $msg";	4210	$Coro::current->{desc} = "abt $msg";
3715		4211
3716	my @bt = fork_call {	4212	my @bt = fork_call {
3717	@addr = map { sprintf "%x", $_ } @addr;	4213	@addr = map { sprintf "%x", $_ } @addr;
…		…
3728	}	4224	}
3729		4225
3730	@funcs	4226	@funcs
3731	};	4227	};
3732		4228
3733	LOG llevInfo, "[ABT] $msg\n";	4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3734	LOG llevInfo, "[ABT] $_\n" for @bt;	4231	LOG llevInfo, "[ABT] $_\n" for @bt;
3735	--$_log_backtrace;	4232	--$_log_backtrace;
3736	};	4233	};
3737	} else {	4234	} else {
3738	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $msg\n";
3739	LOG llevInfo, "[ABT] [suppressed]\n";	4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3740	}	4237	}
3741	}	4238	}
3742		4239
3743	# load additional modules	4240	# load additional modules
3744	use cf::pod;	4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
3745		4243
3746	END { cf::emergency_save }	4244	END { cf::emergency_save }
3747		4245
3748	1	4246	1
3749		4247

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