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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.407 by root, Sun Jan 13 09:53:53 2008 UTC vs.
Revision 1.575 by root, Sat Aug 13 20:20:30 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::Syck ();	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	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	76	# strictly for debugging
45	$YAML::Syck::ImplicitUnicode = 1;	77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		78
49	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;
50		82
51	our %COMMAND = ();	83	our %COMMAND = ();
52	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
53		85
54	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	87	our %EXTCMD = ();
56	our %EXTICMD = ();	88	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
59		91
60	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
62		96
63	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
64	our $DATADIR = datadir;	99	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
68	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
74	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;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		125
83	our $BDB_POLL_WATCHER;
84	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
85	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
86	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
87	our $DB_ENV;	129	our $DB_ENV;
88		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
89	our %CFG;	133	our %CFG;
90		134
91	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
92	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
93	our $NOW;	138	our $NOW;
94		139
95	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
…		…
99	# 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 ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		146
102	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)
103	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
104	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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
105		159
106	binmode STDOUT;	160	binmode STDOUT;
107	binmode STDERR;	161	binmode STDERR;
108		162
109	# read virtual server time, if available	163	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
114	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
115		171
116	mkdir $_	172	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		174
119	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
120		176
121	sub cf::map::normalise;	177	sub cf::map::normalise;
122		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
123	#############################################################################	183	#############################################################################
124		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
125	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
126		197
127	=over 4	198	=over 4
128		199
129	=item $cf::UPTIME	200	=item $cf::UPTIME
130		201
131	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.
132		218
133	=item $cf::RUNTIME	219	=item $cf::RUNTIME
134		220
135	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
136	every server tick.	222	every server tick.
…		…
142	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
145	database environment.	231	database environment.
146		232
147	=item $cf::NOW
148
149	The time of the last (current) server tick.
150
151	=item $cf::TICK
152
153	The interval between server ticks, in seconds.
154
155	=item $cf::LOADAVG	233	=item $cf::LOADAVG
156		234
157	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
168	from wherever your confdir points to.	246	from wherever your confdir points to.
169		247
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		249
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
176	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
177		272
178	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
179	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
180	that call.	275	that call.
181		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
182	=back	283	=back
183		284
184	=cut	285	=cut
185		286
186	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
187	*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 {
188	my $msg = join "", @_;	294	my $msg = join "", @_;
189		295
190	$msg .= "\n"	296	$msg .= "\n"
191	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
192		298
193	$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;
194		300
195	LOG llevError, $msg;	301	LOG llevWarn, $msg;
196	};	302	};
197	}
198		303
199	$Coro::State::DIEHOOK = sub {	304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
200	warn Carp::longmess $_[0];	307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
201	Coro::terminate;	315	Coro::terminate
202	};	316	};
203		317
204	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
205	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
206	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
…		…
214	for my $pkg (qw(	328	for my $pkg (qw(
215	cf::global cf::attachable	329	cf::global cf::attachable
216	cf::object cf::object::player	330	cf::object cf::object::player
217	cf::client cf::player	331	cf::client cf::player
218	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
219	cf::map cf::party cf::region	334	cf::party cf::region
220	)) {	335	)) {
221	no strict 'refs';
222	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
223	}	337	}
224		338
225	$EV::DIED = sub {	339	$EV::DIED = sub {
226	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
227	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
228		347
229	#############################################################################	348	#############################################################################
230		349
231	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
232		351
…		…
253	$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;
254	$d	373	$d
255	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
256	}	375	}
257		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
258	=item $ref = cf::decode_json $json	391	=item $ref = cf::decode_json $json
259		392
260	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
261		394
262	=item $json = cf::encode_json $ref	395	=item $json = cf::encode_json $ref
…		…
268	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
269		402
270	sub encode_json($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
271	sub decode_json($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
272		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
273	=item cf::lock_wait $string	468	=item cf::lock_wait $string
274		469
275	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
276		471
277	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
278		473
279	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
280	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,
281	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
282	returned.	477	returned.
283		478
284	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
285	deadlocked coro.	480	deadlocked coro.
…		…
291		486
292	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.
293		488
294	=cut	489	=cut
295		490
296	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
297	our %LOCKER;#d#
298		492
299	sub lock_wait($) {	493	sub lock_wait($) {
300	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
301
302	if ($LOCKER{$key} == $Coro::current) {#d#
303	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
304	return;#d#
305	}#d#
306
307	# wait for lock, if any
308	while ($LOCK{$key}) {
309	push @{ $LOCK{$key} }, $Coro::current;
310	Coro::schedule;
311	}
312	}	495	}
313		496
314	sub lock_acquire($) {	497	sub lock_acquire($) {
315	my ($key) = @_;	498	$LOCKS->guard ($_[0])
316
317	# wait, to be sure we are not locked
318	lock_wait $key;
319
320	$LOCK{$key} = [];
321	$LOCKER{$key} = $Coro::current;#d#
322
323	Coro::guard {
324	delete $LOCKER{$key};#d#
325	# wake up all waiters, to be on the safe side
326	$_->ready for @{ delete $LOCK{$key} };
327	}
328	}	499	}
329		500
330	sub lock_active($) {	501	sub lock_active($) {
331	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
332
333	! ! $LOCK{$key}
334	}	503	}
335		504
336	sub freeze_mainloop {	505	sub freeze_mainloop {
337	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
338		507
339	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
340	$TICK_WATCHER->start;
341	};
342	$TICK_WATCHER->stop;
343	$guard
344	}	509	}
345		510
346	=item cf::periodic $interval, $cb	511	=item cf::periodic $interval, $cb
347		512
348	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
349	get spread over timer.	514	get spread over time.
350		515
351	=cut	516	=cut
352		517
353	sub periodic($$) {	518	sub periodic($$) {
354	my ($interval, $cb) = @_;	519	my ($interval, $cb) = @_;
…		…
358	EV::periodic $start, $interval, 0, $cb	523	EV::periodic $start, $interval, 0, $cb
359	}	524	}
360		525
361	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
362		527
363	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
364	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
365	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.
366		535
367	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
368	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
369		538
370	Useful for short background jobs.	539	Useful for short background jobs.
371		540
372	=cut	541	=cut
373		542
374	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
375	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
376		546
377	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
378	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
379	$Coro::current->desc ("timeslot manager");	549	$Coro::current->desc ("timeslot manager");
380		550
381	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
382		553
383	while () {	554	while () {
384	next_job:	555	next_job:
		556
385	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
386	if ($avail > 0.01) {	558
387	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
388	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
389	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
390	$job->[2]->send;	563	$job->[2]->send;
391	Coro::cede;	564	Coro::cede;
392	goto next_job;	565	goto next_job;
393	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
394	}	568	}
395	}	569	}
396		570
397	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
398	# 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
399	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
400	$signal->wait;
401	} else {	574	} else {
		575	$busy = 0;
402	Coro::schedule;	576	Coro::schedule;
403	}	577	}
404	}	578	}
405	};	579	};
406		580
407	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
408	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
409		585
410	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
411	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
412		589
413	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
414	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
415	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
441	=cut	618	=cut
442		619
443	sub sync_job(&) {	620	sub sync_job(&) {
444	my ($job) = @_;	621	my ($job) = @_;
445		622
446	if ($Coro::current == $Coro::main) {	623	if (in_main) {
447	my $time = EV::time;	624	my $time = AE::time;
448		625
449	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
450	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
451		628
452	LOG llevError, Carp::longmess "sync job";#d#	629	#LOG llevError, Carp::longmess "sync job";#d#
453		630
454	# TODO: use suspend/resume instead
455	# (but this is cancel-safe)
456	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
457		632
458	my $busy = 1;	633	my $busy = 1;
459	my @res;	634	my @res;
460		635
461	(async {	636	(async {
462	$Coro::current->desc ("sync job coro");	637	$Coro::current->desc ("sync job coro");
463	@res = eval { $job->() };	638	@res = eval { $job->() };
464	warn $@ if $@;	639	error $@ if $@;
465	undef $busy;	640	undef $busy;
466	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
467		642
468	while ($busy) {	643	while ($busy) {
469	if (Coro::nready) {	644	if (Coro::nready) {
…		…
471	} else {	646	} else {
472	EV::loop EV::LOOP_ONESHOT;	647	EV::loop EV::LOOP_ONESHOT;
473	}	648	}
474	}	649	}
475		650
476	$time = EV::time - $time;	651	my $time = AE::time - $time;
477		652
478	LOG llevError | logBacktrace, Carp::longmess "long sync job"
479	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
480
481	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
482		654
483	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
484	} else {	656	} else {
485	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
486		658
…		…
506	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
507		679
508	$coro	680	$coro
509	}	681	}
510		682
511	=item fork_call { }, $args	683	=item fork_call { }, @args
512		684
513	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
514	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
515	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
516	never block itself or use any form of event handling.	688	never block itself or use any form of event handling.
517		689
518	=cut	690	=cut
519		691
		692	sub post_fork {
		693	reset_signals;
		694	}
		695
520	sub fork_call(&@) {	696	sub fork_call(&@) {
521	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
522		698
523	# 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,
524	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
525	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
526		702
527	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
528	reset_signals;	704	cf::post_fork;
529	&$cb	705	&$cb
530	}, @args;	706	} @args;
531		707
532	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
533	}	747	}
534		748
535	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
536		750
537	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
547	within each server.	761	within each server.
548		762
549	=cut	763	=cut
550		764
551	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
552	my ($name) = @_;	769	my ($name) = @_;
553	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
554		771
555	eval {	772	eval {
556	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
566	}	783	}
567		784
568	our $DB;	785	our $DB;
569		786
570	sub db_init {	787	sub db_init {
571	cf::sync_job {
572	$DB ||= db_table "db";	788	$DB ||= db_table "db";
573	};
574	}	789	}
575		790
576	sub db_get($$) {	791	sub db_get($$) {
577	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
578		793
579	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
580	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
581		798
582	$! ? ()	799	$! ? ()
583	: $data	800	: $data
584	}
585	}	801	}
586		802
587	sub db_put($$$) {	803	sub db_put($$$) {
588	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
589	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
617		833
618	my @data;	834	my @data;
619	my $md5;	835	my $md5;
620		836
621	for (0 .. $#$src) {	837	for (0 .. $#$src) {
622	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
623	or Carp::croak "$src->[$_]: $!";
624	}	839	}
625		840
626	# if processing is expensive, check	841	# if processing is expensive, check
627	# checksum first	842	# checksum first
628	if (1) {	843	if (1) {
…		…
645		860
646	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
647	my $data = $process->(\@data);	862	my $data = $process->(\@data);
648	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
649		864
650	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
651		866
652	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
653	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
654	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
655		870
…		…
665		880
666	=cut	881	=cut
667		882
668	sub datalog($@) {	883	sub datalog($@) {
669	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
670	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
671	}	886	}
672		887
673	=back	888	=back
674		889
675	=cut	890	=cut
676		891
677	#############################################################################	892	#############################################################################
678		893
679	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
680		895
681	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
682	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")
683	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
684		899
685	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>
686	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
…		…
736	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
737		952
738	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
739	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
740		955
741	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
742	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.
743		958
744	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
745		960
746	=over 4	961	=over 4
…		…
870		1085
871	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
872	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
873		1088
874	} elsif (ref $type) {	1089	} elsif (ref $type) {
875	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
876		1091
877	} else {	1092	} else {
878	shift @arg;	1093	shift @arg;
879	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
880	}	1095	}
881	}	1096	}
882	}	1097	}
883		1098
884	sub _object_attach {	1099	sub _object_attach {
…		…
894	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
895	}	1110	}
896		1111
897	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
898	} else {	1113	} else {
899	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
900	}	1115	}
901		1116
902	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
903	}	1118	}
904		1119
…		…
963		1178
964	for (@$callbacks) {	1179	for (@$callbacks) {
965	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
966		1181
967	if ($@) {	1182	if ($@) {
968	warn "$@";
969	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
970	override;	1184	override;
971	}	1185	}
972		1186
973	return 1 if $override;	1187	return 1 if $override;
974	}	1188	}
…		…
1037		1251
1038	sub reattach {	1252	sub reattach {
1039	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
1040	my ($obj) = @_;	1254	my ($obj) = @_;
1041		1255
		1256	# no longer needed after getting rid of delete_package?
1042	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
1043		1258
1044	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
1045		1260
1046	@$registry = ();	1261	@$registry = ();
1047		1262
…		…
1052	for (@$attach) {	1267	for (@$attach) {
1053	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
1054	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
1055	}	1270	}
1056	} else {	1271	} else {
1057	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1058	}	1273	}
1059	}	1274	}
1060	}	1275	}
1061		1276
1062	cf::attachable->attach (	1277	cf::attachable->attach (
…		…
1089	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1090		1305
1091	sync_job {	1306	sync_job {
1092	if (length $$rdata) {	1307	if (length $$rdata) {
1093	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1094	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1095	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1096		1312
1097	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1098	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1099	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1100	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	}
1101	close $fh;	1320	aio_close $fh;
1102		1321
1103	if (@$objs) {	1322	if (@$objs) {
1104	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) {
1105	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1106	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1107	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1108	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	}
1109	close $fh;	1331	aio_close $fh;
1110	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1111	}	1333	}
1112	} else {	1334	} else {
1113	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1114	}	1336	}
1115		1337
1116	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1117	} else {	1342	} else {
1118	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1119	}	1344	}
1120	} else {	1345	} else {
1121	aio_unlink $filename;	1346	aio_unlink $filename;
1122	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1123	}	1348	}
…		…
1147	my $st = eval { Coro::Storable::thaw $av };	1372	my $st = eval { Coro::Storable::thaw $av };
1148	$av = $st->{objs};	1373	$av = $st->{objs};
1149	}	1374	}
1150		1375
1151	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1152	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1153	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1154		1380
1155	($data, $av)	1381	($data, $av)
1156	}	1382	}
1157		1383
1158	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1214	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1215		1441
1216	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1217	}	1443	}
1218		1444
		1445	use File::Glob ();
		1446
1219	cf::player->attach (	1447	cf::player->attach (
1220	on_command => sub {	1448	on_unknown_command => sub {
1221	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1222		1450
1223	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1224	or return;	1452	or return;
1225		1453
…		…
1248		1476
1249	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1250	if $reply;	1478	if $reply;
1251		1479
1252	} else {	1480	} else {
1253	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1254	}	1482	}
1255		1483
1256	cf::override;	1484	cf::override;
1257	},	1485	},
1258	);	1486	);
1259		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
1260	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1261	cf::sync_job {	1504	cf::sync_job {
1262	my %todo;	1505	my %todo;
1263		1506
1264	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1265	next unless -r $path;	1508	next unless -r $path;
…		…
1283		1526
1284	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1285	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1286		1529
1287	$ext{source} =	1530	$ext{source} =
1288	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1289	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1290	. $source	1533	. $source
1291	. "\n};\n1";	1534	. "\n};\n1";
1292		1535
1293	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1294	}	1537	}
1295		1538
		1539	my $pass = 0;
1296	my %done;	1540	my %done;
1297	while (%todo) {	1541	while (%todo) {
1298	my $progress;	1542	my $progress;
1299		1543
		1544	++$pass;
		1545
		1546	ext:
1300	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1301	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1302	goto skip	1549	next ext
1303	unless exists $done{$_};	1550	unless exists $done{$_};
1304	}	1551	}
1305		1552
1306	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1307		1554
1308	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1309	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1310	: "$v->{base}: extension inactive.\n";
1311		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1312	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1313	warn $msg;	1562
1314	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1315	exit 1;	1564	delete $todo{$k};
1316	}	1565	} else {
1317		1566	$done{$k} = delete $todo{$k};
1318	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1319	}	1572	}
1320
1321	$done{$k} = delete $todo{$k};
1322	push @EXTS, $v->{pkg};
1323	$progress = 1;
1324	}	1573	}
1325		1574
1326	skip:	1575	unless ($progress) {
1327	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1328	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	}
1329	}	1585	}
1330	};	1586	};
1331	}	1587	}
1332		1588
1333	#############################################################################	1589	#############################################################################
1334		1590
1335	=back	1591	=back
1336		1592
1337	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1338		1594
1339	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1340		1596
1341	=cut	1597	=cut
1342		1598
1343	package cf::player;	1599	package cf::player;
1344		1600
…		…
1387		1643
1388	sub exists($) {	1644	sub exists($) {
1389	my ($login) = @_;	1645	my ($login) = @_;
1390		1646
1391	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1392	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1393	}	1649	}
1394		1650
1395	sub find($) {	1651	sub find($) {
1396	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1397	my $login = $_[0];	1653	my $login = $_[0];
…		…
1409	my $f = new_from_file cf::object::thawer path $login	1665	my $f = new_from_file cf::object::thawer path $login
1410	or return;	1666	or return;
1411		1667
1412	my $pl = cf::player::load_pl $f	1668	my $pl = cf::player::load_pl $f
1413	or return;	1669	or return;
		1670
1414	local $cf::PLAYER_LOADING{$login} = $pl;	1671	local $cf::PLAYER_LOADING{$login} = $pl;
1415	$f->resolve_delayed_derefs;	1672	$f->resolve_delayed_derefs;
1416	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1417	}	1674	}
1418	}	1675	}
1419	}	1676	}
1420		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
1421	sub save($) {	1691	sub save($) {
1422	my ($pl) = @_;	1692	my ($pl) = @_;
1423		1693
1424	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
1425		1695
…		…
1428		1698
1429	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1430		1700
1431	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1432	$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];
1433		1708
1434	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1435	cf::cede_to_tick;	1710	cf::cede_to_tick;
1436	}	1711	}
1437		1712
…		…
1469	my ($pl) = @_;	1744	my ($pl) = @_;
1470		1745
1471	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1472		1747
1473	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1474	$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
1475		1750
1476	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1477	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1478	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1479	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1480		1759
1481	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1482	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1483	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1521		1800
1522	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
1523	my $path = path $login;	1802	my $path = path $login;
1524		1803
1525	# a .pst is a dead give-away for a valid player	1804	# a .pst is a dead give-away for a valid player
1526	unless (-e "$path.pst") {	1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1527	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1528	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1529	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
1530	}	1810	}
1531		1811
…		…
1535		1815
1536	\@logins	1816	\@logins
1537	}	1817	}
1538		1818
1539	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1540		1822
1541	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1542	player. May block.	1824	player. May block.
1543		1825
1544	=cut	1826	=cut
…		…
1562	}	1844	}
1563		1845
1564	\@paths	1846	\@paths
1565	}	1847	}
1566		1848
1567	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1568		1850
1569	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1570
1571	=cut
1572
1573	use re 'eval';
1574
1575	my $group;
1576	my $interior; $interior = qr{
1577	# match a pod interior sequence sans C<< >>
1578	(?:
1579	\ (.*?)\ (?{ $group = $^N })
1580	| < (??{$interior}) >
1581	)
1582	}x;
1583
1584	sub expand_cfpod {
1585	my ($self, $pod) = @_;
1586
1587	my $xml;
1588
1589	while () {
1590	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1591	$group = $1;
1592
1593	$group =~ s/&/&amp;/g;
1594	$group =~ s/</&lt;/g;
1595
1596	$xml .= $group;
1597	} elsif ($pod =~ m%\G
1598	([BCGHITU])
1599	<
1600	(?:
1601	([^<>]*) (?{ $group = $^N })
1602	| < $interior >
1603	)
1604	>
1605	%gcsx
1606	) {
1607	my ($code, $data) = ($1, $group);
1608
1609	if ($code eq "B") {
1610	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1611	} elsif ($code eq "I") {
1612	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1613	} elsif ($code eq "U") {
1614	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1615	} elsif ($code eq "C") {
1616	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1617	} elsif ($code eq "T") {
1618	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1619	} elsif ($code eq "G") {
1620	my ($male, $female) = split /\|/, $data;
1621	$data = $self->gender ? $female : $male;
1622	$xml .= expand_cfpod ($self, $data);
1623	} elsif ($code eq "H") {
1624	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1625	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1626	"")
1627	[$self->{hintmode}];
1628	} else {
1629	$xml .= "error processing '$code($data)' directive";
1630	}
1631	} else {
1632	if ($pod =~ /\G(.+)/) {
1633	warn "parse error while expanding $pod (at $1)";
1634	}
1635	last;
1636	}
1637	}
1638
1639	for ($xml) {
1640	# create single paragraphs (very hackish)
1641	s/(?<=\S)\n(?=\w)/ /g;
1642
1643	# compress some whitespace
1644	s/\s+\n/\n/g; # ws line-ends
1645	s/\n\n+/\n/g; # double lines
1646	s/^\n+//; # beginning lines
1647	s/\n+$//; # ending lines
1648	}
1649
1650	$xml
1651	}
1652
1653	no re 'eval';
1654
1655	sub hintmode {
1656	$_[0]{hintmode} = $_[1] if @_ > 1;
1657	$_[0]{hintmode}
1658	}
1659		1852
1660	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1661		1854
1662	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1663		1856
…		…
1695		1888
1696	=cut	1889	=cut
1697		1890
1698	sub find_by_path($) {	1891	sub find_by_path($) {
1699	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1700		1895
1701	my ($match, $specificity);	1896	my ($match, $specificity);
1702		1897
1703	for my $region (list) {	1898	for my $region (list) {
1704	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1730	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1731	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1732		1927
1733	sub generate_random_map {	1928	sub generate_random_map {
1734	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1735	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1736	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1740	$rmp->{exit_on_final_map},
1741	$rmp->{xsize}, $rmp->{ysize},
1742	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1743	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1744	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1745	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1746	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1747	(cf::region::find $rmp->{region}), $rmp->{custom}
1748	)
1749	}	1934	}
1750		1935
1751	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1752		1937
1753	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
…		…
1758		1943
1759	sub register {	1944	sub register {
1760	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1761	my $pkg = caller;	1946	my $pkg = caller;
1762		1947
1763	no strict;
1764	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1765		1949
1766	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1767	}	1951	}
1768		1952
1769	# also paths starting with '/'	1953	# also paths starting with '/'
1770	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1771		1955
1772	sub thawer_merge {	1956	sub thawer_merge {
1773	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1774		1958
1775	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1780	}	1964	}
1781		1965
1782	sub normalise {	1966	sub normalise {
1783	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1784		1968
1785	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1786		1970
1787	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1788		1972
1789	# map plan:	1973	# map plan:
1790	#	1974	#
…		…
1805	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1806	$path = "$base/$path";	1990	$path = "$base/$path";
1807	}	1991	}
1808		1992
1809	for ($path) {	1993	for ($path) {
1810	redo if s{//}{/};
1811	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1812	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1813	}	1996	}
1814		1997
1815	$path	1998	$path
…		…
1829	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1830	return $self;	2013	return $self;
1831	}	2014	}
1832	}	2015	}
1833		2016
1834	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1835	()	2018	()
1836	}	2019	}
1837		2020
		2021	# may re-bless or do other evil things
1838	sub init {	2022	sub init {
1839	my ($self) = @_;	2023	my ($self) = @_;
1840		2024
1841	$self	2025	$self
1842	}	2026	}
…		…
1861		2045
1862	# the temporary/swap location	2046	# the temporary/swap location
1863	sub save_path {	2047	sub save_path {
1864	my ($self) = @_;	2048	my ($self) = @_;
1865		2049
1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1867	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1868	}	2052	}
1869		2053
1870	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1871	sub uniq_path {	2055	sub uniq_path {
1872	my ($self) = @_;	2056	my ($self) = @_;
1873		2057
1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1875	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1876	}
1877
1878	# and all this just because we cannot iterate over
1879	# all maps in C++...
1880	sub change_all_map_light {
1881	my ($change) = @_;
1882
1883	$_->change_map_light ($change)
1884	for grep $_->outdoor, values %cf::MAP;
1885	}	2060	}
1886		2061
1887	sub decay_objects {	2062	sub decay_objects {
1888	my ($self) = @_;	2063	my ($self) = @_;
1889		2064
…		…
1916	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1917		2092
1918	1	2093	1
1919	}	2094	}
1920		2095
		2096	# used to laod the header of an original map
1921	sub load_header_orig {	2097	sub load_header_orig {
1922	my ($self) = @_;	2098	my ($self) = @_;
1923		2099
1924	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1925	}	2101	}
1926		2102
		2103	# used to laod the header of an instantiated map
1927	sub load_header_temp {	2104	sub load_header_temp {
1928	my ($self) = @_;	2105	my ($self) = @_;
1929		2106
1930	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1931	}	2108	}
1932		2109
		2110	# called after loading the header from an instantiated map
1933	sub prepare_temp {	2111	sub prepare_temp {
1934	my ($self) = @_;	2112	my ($self) = @_;
1935		2113
1936	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1937	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1938	# safety	2116	# safety
1939	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1940	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1941	}	2119	}
1942		2120
		2121	# called after loading the header from an original map
1943	sub prepare_orig {	2122	sub prepare_orig {
1944	my ($self) = @_;	2123	my ($self) = @_;
1945		2124
1946	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1947	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1971		2150
1972	sub find;	2151	sub find;
1973	sub find {	2152	sub find {
1974	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1975		2154
		2155	cf::cede_to_tick;
		2156
1976	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1977		2158
1978	cf::lock_wait "map_data:$path";#d#remove	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1979	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1980		2161
1981	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1982	my $guard1 = cf::lock_acquire "map_find:$path";
1983	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1984
1985	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1986	or return;	2164	or return;
1987		2165
1988	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1989		2167
…		…
1991	or return;	2169	or return;
1992		2170
1993	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1994	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1995	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
1996	undef $guard1;	2175	undef $guard1;
1997	undef $guard2;
1998	$map->reset;	2176	$map->reset;
1999	return find $path;	2177	return find $path;
2000	}	2178	}
2001		2179
2002	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
2003	}	2181	}
2004	}	2182	}
2005		2183
2006	sub pre_load { }	2184	sub pre_load { }
2007	sub post_load { }	2185	#sub post_load { } # XS
2008		2186
2009	sub load {	2187	sub load {
2010	my ($self) = @_;	2188	my ($self) = @_;
2011		2189
2012	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2015		2193
2016	{	2194	{
2017	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
2018		2196
2019	return unless $self->valid;	2197	return unless $self->valid;
2020	return unless $self->in_memory == cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
2021
2022	$self->in_memory (cf::MAP_LOADING);
2023		2199
2024	$self->alloc;	2200	$self->alloc;
2025		2201
2026	$self->pre_load;	2202	$self->pre_load;
2027	cf::cede_to_tick;	2203	cf::cede_to_tick;
2028		2204
		2205	if (exists $self->{load_path}) {
2029	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
2030	$f->skip_block;	2207	$f->skip_block;
2031	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
2032	or return;	2209	or return;
2033		2210
2034	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
2035	if delete $self->{load_original};	2212	if delete $self->{load_original};
2036		2213
2037	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
2038	utf8::encode $uniq;	2215	utf8::encode $uniq;
2039	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
2040	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
2041	$self->clear_unique_items;	2218	$self->clear_unique_items;
2042	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
2043	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
2044	}	2222	}
2045	}	2223	}
2046	}
2047		2224
2048	$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);
2049		2232
2050	cf::cede_to_tick;	2233	cf::cede_to_tick;
2051	# now do the right thing for maps	2234	# now do the right thing for maps
2052	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
2053	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
2057	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
2058	$self->decay_objects;	2241	$self->decay_objects;
2059	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
2060	$self->update_buttons;	2243	$self->update_buttons;
2061	cf::cede_to_tick;	2244	cf::cede_to_tick;
2062	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
2063	cf::cede_to_tick;
2064	$self->activate;
2065	}	2246	}
2066		2247
2067	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
2068	$self->last_access ($cf::RUNTIME);	2249	$self->last_access ($cf::RUNTIME);
2069
2070	$self->in_memory (cf::MAP_IN_MEMORY);
2071	}	2250	}
2072		2251
2073	$self->post_load;	2252	$self->post_load;
2074	}
2075		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
2076	sub customise_for {	2260	sub customise_for {
2077	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
2078		2262
2079	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
2080	if $self->per_player;	2264	if $self->per_player;
…		…
2083	# if $self->per_party;	2267	# if $self->per_party;
2084		2268
2085	$self	2269	$self
2086	}	2270	}
2087		2271
2088	# find and load all maps in the 3x3 area around a map
2089	sub load_neighbours {
2090	my ($map) = @_;
2091
2092	my @neigh; # diagonal neighbours
2093
2094	for (0 .. 3) {
2095	my $neigh = $map->tile_path ($_)
2096	or next;
2097	$neigh = find $neigh, $map
2098	or next;
2099	$neigh->load;
2100
2101	push @neigh,
2102	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2103	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2104	}
2105
2106	for (grep defined $_->[0], @neigh) {
2107	my ($path, $origin) = @$_;
2108	my $neigh = find $path, $origin
2109	or next;
2110	$neigh->load;
2111	}
2112	}
2113
2114	sub find_sync {	2272	sub find_sync {
2115	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
2116		2274
2117	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
2118	}	2280	}
2119		2281
2120	sub do_load_sync {	2282	sub do_load_sync {
2121	my ($map) = @_;	2283	my ($map) = @_;
2122		2284
		2285	# it's a bug to call this from the main context
2123	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2124	if $Coro::current == $Coro::main;	2287	if $Coro::current == $Coro::main;
2125		2288
2126	cf::sync_job { $map->load };	2289	$map->load;
2127	}	2290	}
2128		2291
2129	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
2130	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
2131		2294
2132	sub find_async {	2295	sub find_async {
2133	my ($path, $origin, $load) = @_;	2296	my ($path, $origin, $load) = @_;
2134		2297
2135	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
2136		2299
2137	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
2138	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
2139	}	2302	}
2140		2303
2141	$MAP_PREFETCH{$path} |= $load;	2304	$MAP_PREFETCH{$path} |= $load;
2142		2305
2143	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
…		…
2157	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
2158		2321
2159	()	2322	()
2160	}	2323	}
2161		2324
		2325	# common code, used by both ->save and ->swapout
2162	sub save {	2326	sub _save {
2163	my ($self) = @_;	2327	my ($self) = @_;
2164
2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
2166		2328
2167	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
2168		2330
2169	return unless $self->dirty;	2331	return unless $self->dirty;
2170		2332
…		…
2179		2341
2180	cf::async {	2342	cf::async {
2181	$Coro::current->{desc} = "map player save";	2343	$Coro::current->{desc} = "map player save";
2182	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
2183	};	2345	};
		2346
		2347	cf::get_slot 0.02;
2184		2348
2185	if ($uniq) {	2349	if ($uniq) {
2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2187	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2188	} else {	2352	} else {
2189	$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);
2190	}	2354	}
2191	}	2355	}
2192		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
2193	sub swap_out {	2365	sub swap_out {
2194	my ($self) = @_;	2366	my ($self) = @_;
2195		2367
2196	# save first because save cedes
2197	$self->save;
2198
2199	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
2200		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
2201	return if $self->players;	2372	return if $self->players;
2202	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
2203	return if $self->{deny_save};	2390	return 1e99 if $self->{deny_reset};
2204		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
2205	$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};
2206		2424
2207	$self->deactivate;	2425	$self->deactivate;
2208	$_->clear_links_to ($self) for values %cf::MAP;	2426	$_->clear_links_to ($self) for values %cf::MAP;
2209	$self->clear;	2427	$self->clear;
2210	}
2211
2212	sub reset_at {
2213	my ($self) = @_;
2214
2215	# TODO: safety, remove and allow resettable per-player maps
2216	return 1e99 if $self->{deny_reset};
2217
2218	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2219	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2220
2221	$time + $to
2222	}
2223
2224	sub should_reset {
2225	my ($self) = @_;
2226
2227	$self->reset_at <= $cf::RUNTIME
2228	}
2229
2230	sub reset {
2231	my ($self) = @_;
2232
2233	my $lock = cf::lock_acquire "map_data:$self->{path}";
2234
2235	return if $self->players;
2236
2237	warn "resetting map ", $self->path;
2238
2239	$self->in_memory (cf::MAP_SWAPPED);
2240
2241	# need to save uniques path
2242	unless ($self->{deny_save}) {
2243	my $uniq = $self->uniq_path; utf8::encode $uniq;
2244
2245	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2246	if $uniq;
2247	}
2248
2249	delete $cf::MAP{$self->path};
2250
2251	$self->deactivate;
2252	$_->clear_links_to ($self) for values %cf::MAP;
2253	$self->clear;
2254		2428
2255	$self->unlink_save;	2429	$self->unlink_save;
2256	$self->destroy;	2430	$self->destroy;
2257	}	2431	}
2258		2432
…		…
2266		2440
2267	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
2268		2442
2269	$self->unlink_save;	2443	$self->unlink_save;
2270		2444
2271	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
2272	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
2273	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
2274	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
2275	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2276		2450
…		…
2325		2499
2326	sub unique_maps() {	2500	sub unique_maps() {
2327	[	2501	[
2328	map {	2502	map {
2329	utf8::decode $_;	2503	utf8::decode $_;
2330	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2331	? normalise $_	2507	: normalise $_
2332	: ()
2333	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2334	]	2509	]
2335	}	2510	}
2336		2511
2337	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	}
2338		2543
2339	=back	2544	=back
2340		2545
2341	=head3 cf::object	2546	=head3 cf::object
2342		2547
…		…
2346		2551
2347	=over 4	2552	=over 4
2348		2553
2349	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2350		2555
2351	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.
2352		2558
2353	=cut	2559	=cut
2354		2560
2355	sub inv_recursive_;	2561	sub inv_recursive_;
2356	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2361	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2362	}	2568	}
2363		2569
2364	=item $ref = $ob->ref	2570	=item $ref = $ob->ref
2365		2571
2366	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.
2367		2573
2368	=item $ob = cf::object::deref ($refstring)	2574	=item $ob = cf::object::deref ($refstring)
2369		2575
2370	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,
2371	even if the object actually exists. May block.	2577	even if the object actually exists. May block.
…		…
2403	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
2404	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2405		2611
2406	=cut	2612	=cut
2407		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
2408	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2409	# with dialog boxes.	2629	# with dialog boxes.
2410	#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
2411	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
2412	my ($self, $npc, $msg, $flags) = @_;	2632	my ($self, $npc, $msg, $flags) = @_;
…		…
2423	my $dialog = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2424	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2425		2645
2426	} else {	2646	} else {
2427	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2428	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2429	}	2649	}
2430	}	2650	}
2431	}	2651	}
2432		2652
2433	=item $object->send_msg ($channel, $msg, $color, [extra...])	2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2458		2678
2459	=item $player_object->enter_link	2679	=item $player_object->enter_link
2460		2680
2461	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}>).
2462		2682
2463	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.
2464	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.
2465		2687
2466	Will never block.	2688	Will never block.
2467		2689
2468	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2469		2691
…		…
2489	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2490	my ($self) = @_;	2712	my ($self) = @_;
2491		2713
2492	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2493		2715
		2716	++$self->{_link_recursion};
		2717
2494	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2495		2719
2496	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2497	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2498		2722
2499	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2500	}	2724	}
2501		2725
2502	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2503	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2504		2728
…		…
2521	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2522	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2523		2747
2524	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2525	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2526	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2527		2751
2528	$map->load;	2752	$map->load;
2529	$map->load_neighbours;
2530		2753
2531	return unless $self->contr->active;	2754	return unless $self->contr->active;
2532	$self->activate_recursive;
2533		2755
2534	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2535	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2536	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2537		2763
		2764	}
		2765
2538	=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)]])
2539		2767
2540	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
2541	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2542	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
2543	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
2544	be called at the end of this process.	2772	be called at the end of this process.
2545		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
2546	=cut	2777	=cut
2547		2778
2548	our $GOTOGEN;	2779	our $GOTOGEN;
2549		2780
2550	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2551	my ($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	}
2552		2789
2553	# 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
2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2555		2792
2556	$self->enter_link;	2793	$self->enter_link;
…		…
2576	($path, $x, $y) = (undef, undef, undef);	2813	($path, $x, $y) = (undef, undef, undef);
2577	}	2814	}
2578	}	2815	}
2579		2816
2580	my $map = eval {	2817	my $map = eval {
2581	my $map = defined $path ? cf::map::find $path : undef;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2582		2819
2583	if ($map) {	2820	if ($map) {
2584	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2585	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2586	} else {	2823	} else {
2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2588	}	2825	}
2589		2826
2590	$map	2827	$map
…		…
2598	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2599	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2600	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2601	}	2838	}
2602		2839
2603	$done->() if $done;	2840	$done->($self) if $done;
2604	})->prio (1);	2841	})->prio (1);
2605	}	2842	}
2606		2843
2607	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2608		2845
…		…
2628	}	2865	}
2629		2866
2630	sub prepare_random_map {	2867	sub prepare_random_map {
2631	my ($exit) = @_;	2868	my ($exit) = @_;
2632		2869
2633	my $guard = cf::lock_acquire "exit_prepare:$exit";
2634
2635	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2636	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2637	# that depends on the exit object	2872	# that depends on the exit object
2638		2873
2639	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2641	if ($exit->map) {	2876	if ($exit->map) {
2642	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2643	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2644	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2645	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2646	}	2883	}
2647		2884
2648	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2649		2886
2650	my $data = cf::encode_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2651	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2652	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2653		2890
2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2655	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2656	undef $fh;	2893	undef $fh;
2657	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2658		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2659	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2660	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2661	}	2902	}
2662	}	2903	}
2663		2904
2664	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2665	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2666		2907
2667	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2668		2909
2669	if ($exit->slaying eq "/!") {
2670	#TODO: this should de-fi-ni-te-ly not be a sync-job
2671	# the problem is that $exit might not survive long enough
2672	# so it needs to be done right now, right here
2673	cf::sync_job { prepare_random_map $exit };
2674	}
2675
2676	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2677	my $hp = $exit->stats->hp;
2678	my $sp = $exit->stats->sp;
2679
2680	$self->enter_link;	2910	$self->enter_link;
2681		2911
2682	# if exit is damned, update players death & WoR home-position
2683	$self->contr->savebed ($slaying, $hp, $sp)
2684	if $exit->flag (FLAG_DAMNED);
2685
2686	(async {	2912	(async {
2687	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2913	$Coro::current->{desc} = "enter_exit";
2688		2914
2689	$self->deactivate_recursive; # just to be sure
2690	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
2691	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2692		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
2693	1;	2951	1
2694	}) {	2952	}) {
2695	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2696	. "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. "
2697	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2698	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2699		2957
2700	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2701	$self->leave_link;	2959	$self->leave_link;
2702	}	2960	}
2703	})->prio (1);	2961	})->prio (1);
2704	}	2962	}
2705		2963
…		…
2717	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
2718	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
2719		2977
2720	utf8::encode $text;	2978	utf8::encode $text;
2721	$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);
2722	}	3005	}
2723		3006
2724	=item $client->send_msg ($channel, $msg, $color, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2725		3008
2726	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
…		…
2730		3013
2731	=cut	3014	=cut
2732		3015
2733	# non-persistent channels (usually the info channel)	3016	# non-persistent channels (usually the info channel)
2734	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	},
2735	"c/identify" => {	3024	"c/identify" => {
2736	id => "infobox",	3025	id => "infobox",
2737	title => "Identify",	3026	title => "Identify",
2738	reply => undef,	3027	reply => undef,
2739	tooltip => "Items recently identified",	3028	tooltip => "Items recently identified",
…		…
2741	"c/examine" => {	3030	"c/examine" => {
2742	id => "infobox",	3031	id => "infobox",
2743	title => "Examine",	3032	title => "Examine",
2744	reply => undef,	3033	reply => undef,
2745	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",
2746	},	3041	},
2747	"c/book" => {	3042	"c/book" => {
2748	id => "infobox",	3043	id => "infobox",
2749	title => "Book",	3044	title => "Book",
2750	reply => undef,	3045	reply => undef,
…		…
2766	id => "infobox",	3061	id => "infobox",
2767	title => "Body Parts",	3062	title => "Body Parts",
2768	reply => undef,	3063	reply => undef,
2769	tooltip => "Shows which body parts you posess and are available",	3064	tooltip => "Shows which body parts you posess and are available",
2770	},	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	},
2771	"c/uptime" => {	3102	"c/uptime" => {
2772	id => "infobox",	3103	id => "infobox",
2773	title => "Uptime",	3104	title => "Uptime",
2774	reply => undef,	3105	reply => undef,
2775	tooltip => "How long the server has been running since last restart",	3106	tooltip => "How long the server has been running since last restart",
…		…
2778	id => "infobox",	3109	id => "infobox",
2779	title => "Map Info",	3110	title => "Map Info",
2780	reply => undef,	3111	reply => undef,
2781	tooltip => "Information related to the maps",	3112	tooltip => "Information related to the maps",
2782	},	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" => $CHAT_CHANNEL,
2783	);	3128	);
2784		3129
2785	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2786	my ($self, $channel, $msg, $color, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2787		3132
2788	$msg = $self->pl->expand_cfpod ($msg);	3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
2789		3135
2790	$color &= cf::NDI_CLIENT_MASK; # just in case...	3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
2791		3137
2792	# check predefined channels, for the benefit of C	3138	# check predefined channels, for the benefit of C
2793	if ($CHANNEL{$channel}) {	3139	if ($CHANNEL{$channel}) {
2794	$channel = $CHANNEL{$channel};	3140	$channel = $CHANNEL{$channel};
2795		3141
2796	$self->ext_msg (channel_info => $channel)	3142	$self->ext_msg (channel_info => $channel);
2797	if $self->can_msg;
2798
2799	$channel = $channel->{id};	3143	$channel = $channel->{id};
2800		3144
2801	} elsif (ref $channel) {	3145	} elsif (ref $channel) {
2802	# send meta info to client, if not yet sent	3146	# send meta info to client, if not yet sent
2803	unless (exists $self->{channel}{$channel->{id}}) {	3147	unless (exists $self->{channel}{$channel->{id}}) {
2804	$self->{channel}{$channel->{id}} = $channel;	3148	$self->{channel}{$channel->{id}} = $channel;
2805	$self->ext_msg (channel_info => $channel)	3149	$self->ext_msg (channel_info => $channel);
2806	if $self->can_msg;
2807	}	3150	}
2808		3151
2809	$channel = $channel->{id};	3152	$channel = $channel->{id};
2810	}	3153	}
2811		3154
2812	return unless @extra || length $msg;	3155	return unless @extra || length $msg;
2813		3156
2814	if ($self->can_msg) {
2815	# default colour, mask it out	3157	# default colour, mask it out
2816	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2817	if $color & cf::NDI_DEF;	3159	if $color & cf::NDI_DEF;
2818		3160
2819	$self->send_packet ("msg " . $self->{json_coder}->encode (	3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
2820	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2821	} else {	3164	);
2822	if ($color >= 0) {
2823	# replace some tags by gcfclient-compatible ones
2824	for ($msg) {
2825	1 while
2826	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2827	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2828	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2829	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2830	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2831	}
2832		3165
2833	$color &= cf::NDI_COLOR_MASK;	3166	$self->send_big_packet ($pkt);
2834
2835	utf8::encode $msg;
2836
2837	if (0 && $msg =~ /\[/) {
2838	# COMMAND/INFO
2839	$self->send_packet ("drawextinfo $color 10 8 $msg")
2840	} else {
2841	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2842	$self->send_packet ("drawinfo $color $msg")
2843	}
2844	}
2845	}
2846	}	3167	}
2847		3168
2848	=item $client->ext_msg ($type, @msg)	3169	=item $client->ext_msg ($type, @msg)
2849		3170
2850	Sends an ext event to the client.	3171	Sends an ext event to the client.
…		…
2853		3174
2854	sub cf::client::ext_msg($$@) {	3175	sub cf::client::ext_msg($$@) {
2855	my ($self, $type, @msg) = @_;	3176	my ($self, $type, @msg) = @_;
2856		3177
2857	if ($self->extcmd == 2) {	3178	if ($self->extcmd == 2) {
2858	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2859	} elsif ($self->extcmd == 1) { # TODO: remove	3180	} elsif ($self->extcmd == 1) { # TODO: remove
2860	push @msg, msgtype => "event_$type";	3181	push @msg, msgtype => "event_$type";
2861	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2862	}	3183	}
2863	}	3184	}
2864		3185
2865	=item $client->ext_reply ($msgid, @msg)	3186	=item $client->ext_reply ($msgid, @msg)
2866		3187
…		…
2870		3191
2871	sub cf::client::ext_reply($$@) {	3192	sub cf::client::ext_reply($$@) {
2872	my ($self, $id, @msg) = @_;	3193	my ($self, $id, @msg) = @_;
2873		3194
2874	if ($self->extcmd == 2) {	3195	if ($self->extcmd == 2) {
2875	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2876	} elsif ($self->extcmd == 1) {	3197	} elsif ($self->extcmd == 1) {
2877	#TODO: version 1, remove	3198	#TODO: version 1, remove
2878	unshift @msg, msgtype => "reply", msgid => $id;	3199	unshift @msg, msgtype => "reply", msgid => $id;
2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2880	}	3201	}
2881	}	3202	}
2882		3203
2883	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2884		3205
…		…
2955		3276
2956	$ns->ext_reply ($reply, @reply)	3277	$ns->ext_reply ($reply, @reply)
2957	if $reply;	3278	if $reply;
2958		3279
2959	} else {	3280	} else {
2960	warn "client " . ($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";
2961	}	3282	}
2962		3283
2963	cf::override;	3284	cf::override;
2964	},	3285	},
2965	);	3286	);
…		…
2985		3306
2986	$coro	3307	$coro
2987	}	3308	}
2988		3309
2989	cf::client->attach (	3310	cf::client->attach (
2990	on_destroy => sub {	3311	on_client_destroy => sub {
2991	my ($ns) = @_;	3312	my ($ns) = @_;
2992		3313
2993	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2994	},	3315	},
2995	);	3316	);
…		…
3011	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
3012		3333
3013	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
3014		3335
3015	$safe->permit_only (Opcode::opset qw(	3336	$safe->permit_only (Opcode::opset qw(
3016	:base_core :base_mem :base_orig :base_math	3337	:base_core :base_mem :base_orig :base_math :base_loop
3017	grepstart grepwhile mapstart mapwhile	3338	grepstart grepwhile mapstart mapwhile
3018	sort time	3339	sort time
3019	));	3340	));
3020		3341
3021	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
…		…
3024		3345
3025	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
3026		3347
3027	cf::object	3348	cf::object
3028	contr pay_amount pay_player map x y force_find force_add destroy	3349	contr pay_amount pay_player map x y force_find force_add destroy
3029	insert remove name archname title slaying race decrease_ob_nr	3350	insert remove name archname title slaying race decrease split
		3351	value
3030		3352
3031	cf::object::player	3353	cf::object::player
3032	player	3354	player
3033		3355
3034	cf::player	3356	cf::player
…		…
3039		3361
3040	=cut	3362	=cut
3041		3363
3042	for (	3364	for (
3043	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3044	insert remove inv name archname title slaying race	3366	insert remove inv nrof name archname title slaying race
3045	decrease_ob_nr destroy)],	3367	decrease split destroy change_exp value msg lore send_msg)],
3046	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
3047	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
3048	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
3049	) {	3371	) {
3050	no strict 'refs';
3051	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
3052	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3053	for @funs;	3374	for @funs;
3054	}	3375	}
3055		3376
…		…
3070		3391
3071	my $qcode = $code;	3392	my $qcode = $code;
3072	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3073	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
3074		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
3075	local $_;	3399	local $_;
3076	local @safe::cf::_safe_eval_args = values %vars;
3077		3400
3078	my $eval =	3401	my $eval =
3079	"do {\n"	3402	"do {\n"
3080	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3081	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
3082	. $code	3405	. $code
3083	. "\n}"	3406	. "\n}"
3084	;	3407	;
3085		3408
		3409	if ($CFG{safe_eval}) {
3086	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
3087	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3088	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
3089		3418
3090	if ($@) {	3419	if ($@) {
3091	warn "$@";	3420	warn "$@",
3092	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
3093	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
3094	}	3423	}
3095		3424
3096	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
3097	}	3426	}
3098		3427
…		…
3112	=cut	3441	=cut
3113		3442
3114	sub register_script_function {	3443	sub register_script_function {
3115	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
3116		3445
3117	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
3118	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
3119	}	3448	}
3120		3449
3121	=back	3450	=back
3122		3451
3123	=cut	3452	=cut
…		…
3132	# for this (global event?)	3461	# for this (global event?)
3133	%ext::player_env::MUSIC_FACE_CACHE = ();	3462	%ext::player_env::MUSIC_FACE_CACHE = ();
3134		3463
3135	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3136		3465
3137	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
3138		3467
3139	my $facedata;	3468	my $facedata = decode_storable load_file $path;
3140	0 < aio_load $path, $facedata
3141	or die "$path: $!";
3142
3143	$facedata = Coro::Storable::thaw $facedata;
3144		3469
3145	$facedata->{version} == 2	3470	$facedata->{version} == 2
3146	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
3147		3472
3148	# 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]);
3149	$facedata->{resource}{"res/exp_table"} = {	3475	$facedata->{resource}{"res/exp_table"} = {
3150	type => FT_RSRC,	3476	type => FT_RSRC,
3151	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),
3152	};	3479	};
3153	cf::cede_to_tick;	3480	cf::cede_to_tick;
3154		3481
3155	{	3482	{
3156	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
…		…
3158	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
3159	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3160		3487
3161	cf::face::set_visibility $idx, $info->{visibility};	3488	cf::face::set_visibility $idx, $info->{visibility};
3162	cf::face::set_magicmap $idx, $info->{magicmap};	3489	cf::face::set_magicmap $idx, $info->{magicmap};
3163	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3164	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} , $info->{glyph} ;
3165		3493
3166	cf::cede_to_tick;	3494	cf::cede_to_tick;
3167	}	3495	}
3168		3496
3169	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
…		…
3174		3502
3175	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
3176	cf::face::set_smooth $idx, $smooth;	3504	cf::face::set_smooth $idx, $smooth;
3177	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3178	} else {	3506	} else {
3179	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
3180	}	3508	}
3181		3509
3182	cf::cede_to_tick;	3510	cf::cede_to_tick;
3183	}	3511	}
3184	}	3512	}
…		…
3193		3521
3194	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
3195	}	3523	}
3196		3524
3197	{	3525	{
3198	# TODO: for gcfclient pleasure, we should give resources
3199	# that gcfclient doesn't grok a >10000 face index.
3200	my $res = $facedata->{resource};	3526	my $res = $facedata->{resource};
3201		3527
3202	while (my ($name, $info) = each %$res) {	3528	while (my ($name, $info) = each %$res) {
3203	if (defined $info->{type}) {	3529	if (defined $info->{type}) {
3204	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3205	my $data;
3206		3531
3207	if ($info->{type} & 1) {	3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3208	# prepend meta info
3209
3210	my $meta = $enc->encode ({
3211	name => $name,
3212	%{ $info->{meta} || {} },
3213	});
3214
3215	$data = pack "(w/a*)*", $meta, $info->{data};
3216	} else {
3217	$data = $info->{data};
3218	}
3219
3220	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3221	cf::face::set_type $idx, $info->{type};	3533	cf::face::set_type $idx, $info->{type};
3222	} else {	3534	} else {
3223	$RESOURCE{$name} = $info;	3535	$RESOURCE{$name} = $info; # unused
3224	}	3536	}
3225		3537
3226	cf::cede_to_tick;	3538	cf::cede_to_tick;
3227	}	3539	}
3228	}	3540	}
3229		3541
3230	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3231		3543
3232	1	3544	1
3233	}	3545	}
3234
3235	cf::global->attach (on_resource_update => sub {
3236	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3237	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3238
3239	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3240	my $sound = $soundconf->{compat}[$_]
3241	or next;
3242
3243	my $face = cf::face::find "sound/$sound->[1]";
3244	cf::sound::set $sound->[0] => $face;
3245	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3246	}
3247
3248	while (my ($k, $v) = each %{$soundconf->{event}}) {
3249	my $face = cf::face::find "sound/$v";
3250	cf::sound::set $k => $face;
3251	}
3252	}
3253	});
3254		3546
3255	register_exticmd fx_want => sub {	3547	register_exticmd fx_want => sub {
3256	my ($ns, $want) = @_;	3548	my ($ns, $want) = @_;
3257		3549
3258	while (my ($k, $v) = each %$want) {	3550	while (my ($k, $v) = each %$want) {
3259	$ns->fx_want ($k, $v);	3551	$ns->fx_want ($k, $v);
3260	}	3552	}
3261	};	3553	};
		3554
		3555	sub load_resource_file($) {
		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	$status
		3563	}
3262		3564
3263	sub reload_regions {	3565	sub reload_regions {
3264	# HACK to clear player env face cache, we need some signal framework	3566	# HACK to clear player env face cache, we need some signal framework
3265	# for this (global event?)	3567	# for this (global event?)
3266	%ext::player_env::MUSIC_FACE_CACHE = ();	3568	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3280	}	3582	}
3281		3583
3282	sub reload_archetypes {	3584	sub reload_archetypes {
3283	load_resource_file "$DATADIR/archetypes"	3585	load_resource_file "$DATADIR/archetypes"
3284	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
3285	#d# NEED to laod twice to resolve forward references
3286	# this really needs to be done in an extra post-pass
3287	# (which needs to be synchronous, so solve it differently)
3288	load_resource_file "$DATADIR/archetypes"
3289	or die "unable to load archetypes\n";
3290	}	3587	}
3291		3588
3292	sub reload_treasures {	3589	sub reload_treasures {
3293	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
3294	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
3295	}	3592	}
3296		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
3297	sub reload_resources {	3614	sub reload_resources {
3298	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
3299		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
3300	reload_regions;	3622	reload_regions;
3301	reload_facedata;
3302	#reload_archetypes;#d#
3303	reload_archetypes;
3304	reload_treasures;	3623	reload_treasures;
3305		3624
3306	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
3307	}
3308
3309	sub init {
3310	reload_resources;
3311	}	3626	}
3312		3627
3313	sub reload_config {	3628	sub reload_config {
3314	open my $fh, "<:utf8", "$CONFDIR/config"	3629	trace "reloading config file...\n";
3315	or return;
3316		3630
3317	local $/;	3631	my $config = load_file "$CONFDIR/config";
3318	*CFG = YAML::Syck::Load <$fh>;	3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
3319		3634
3320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3321		3636
3322	$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};
3323	$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};
3324		3639
3325	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
3329	};	3644	};
3330	warn $@ if $@;	3645	warn $@ if $@;
3331	}	3646	}
3332	}	3647	}
3333		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
3334	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
3335	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
3336	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
3337	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#
3338	(async {	3690	(async {
3339	$Coro::current->{desc} = "IDLE BUG HANDLER";	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
3340	EV::loop EV::LOOP_ONESHOT;	3692	EV::loop EV::LOOP_ONESHOT;
3341	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
3342	};	3694	};
3343		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;
3344	reload_config;	3708	reload_config;
3345	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
3346	load_extensions;	3719	load_extensions;
3347		3720
3348	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
3349	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3722
3350	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	AE::postpone {
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
3351	}	3738	}
3352		3739
3353	#############################################################################	3740	#############################################################################
3354	# initialisation and cleanup	3741	# initialisation and cleanup
3355		3742
3356	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
3357	BEGIN {	3744	BEGIN {
3358	our %SIGWATCHER = ();	3745	our %SIGWATCHER = ();
3359	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
3360	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3361	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
3362	};	3749	};
3363	}	3750	}
3364	}	3751	}
3365		3752
3366	sub write_runtime {	3753	sub write_runtime_sync {
3367	my $runtime = "$LOCALDIR/runtime";	3754	my $t0 = AE::time;
3368		3755
3369	# first touch the runtime file to show we are still running:	3756	# first touch the runtime file to show we are still running:
3370	# the fsync below can take a very very long time.	3757	# the fsync below can take a very very long time.
3371		3758
3372	IO::AIO::aio_utime $runtime, undef, undef;	3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3373		3760
3374	my $guard = cf::lock_acquire "write_runtime";	3761	my $guard = cf::lock_acquire "write_runtime";
3375		3762
3376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3377	or return;	3764	or return;
3378		3765
3379	my $value = $cf::RUNTIME + 90 + 10;	3766	my $value = $cf::RUNTIME + 90 + 10;
3380	# 10 is the runtime save interval, for a monotonic clock	3767	# 10 is the runtime save interval, for a monotonic clock
3381	# 60 allows for the watchdog to kill the server.	3768	# 60 allows for the watchdog to kill the server.
…		…
3391	aio_utime $fh, undef, undef;	3778	aio_utime $fh, undef, undef;
3392		3779
3393	close $fh	3780	close $fh
3394	or return;	3781	or return;
3395		3782
3396	aio_rename "$runtime~", $runtime	3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3397	and return;	3784	and return;
3398		3785
3399	warn "runtime file written.\n";	3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3400		3787
3401	1	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
3402	}	3839	}
3403		3840
3404	sub emergency_save() {	3841	sub emergency_save() {
3405	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
3406		3843
3407	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
3408		3850
3409	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
3410	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
3411	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
3412	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
3413	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
3414	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
3415	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
3416	$pl->valid or next;	3860	$pl->valid or next;
3417	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3418	$pl->save;	3862	$pl->save;
3419	}	3863	}
3420	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
3421		3865
3422	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
3423	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
3424	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
3425	$map->valid or next;	3871	$map->valid or next;
3426	$map->save;	3872	$map->save;
3427	}	3873	}
3428	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
3429		3875
3430	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
3431	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
3432	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
3433	};	3904	};
3434		3905
3435	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
3436	}	3907	}
3437		3908
3438	sub post_cleanup {	3909	sub post_cleanup {
3439	my ($make_core) = @_;	3910	my ($make_core) = @_;
3440		3911
		3912	IO::AIO::flush;
		3913
3441	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
3442	if $make_core;	3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
3443	}	3944	}
3444		3945
3445	sub do_reload_perl() {	3946	sub do_reload_perl() {
3446	# can/must only be called in main	3947	# can/must only be called in main
3447	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
3448	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
3449	return;	3950	return;
3450	}	3951	}
3451		3952
3452	warn "reloading...";	3953	return if $RELOAD++;
3453		3954
3454	warn "entering sync_job";	3955	my $t1 = AE::time;
3455		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
3456	cf::sync_job {	3963	cf::sync_job {
3457	cf::write_runtime; # external watchdog should not bark
3458	cf::emergency_save;	3964	#cf::emergency_save;
3459	cf::write_runtime; # external watchdog should not bark
3460		3965
3461	warn "syncing database to disk";
3462	BDB::db_env_txn_checkpoint $DB_ENV;
3463
3464	# if anything goes wrong in here, we should simply crash as we already saved
3465
3466	warn "flushing outstanding aio requests";
3467	for (;;) {
3468	BDB::flush;
3469	IO::AIO::flush;
3470	Coro::cede_notself;
3471	last unless IO::AIO::nreqs || BDB::nreqs;
3472	warn "iterate...";
3473	}
3474
3475	++$RELOAD;
3476
3477	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
3478	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
3479	%EXT_CORO = ();	3968	%EXT_CORO = ();
3480		3969
3481	warn "removing commands";	3970	trace "perl_reload: removing commands";
3482	%COMMAND = ();	3971	%COMMAND = ();
3483		3972
3484	warn "removing ext/exti commands";	3973	trace "perl_reload: removing ext/exti commands";
3485	%EXTCMD = ();	3974	%EXTCMD = ();
3486	%EXTICMD = ();	3975	%EXTICMD = ();
3487		3976
3488	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
3489	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
3490	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
3491		3980
3492	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
3493	eval {	3982	eval {
3494	$cb->($pkg);	3983	$cb->($pkg);
3495	1	3984	1
3496	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
3497	}	3990	}
3498		3991
3499	warn "... nuking $pkg";
3500	Symbol::delete_package $pkg;
3501	}
3502
3503	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3504	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
3505	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3506		3995
3507	warn "... unloading $k";	3996	trace "... unloading $k";
3508	delete $INC{$k};	3997	delete $INC{$k};
3509		3998
3510	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
3511	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
3512		4001
3513	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
3514	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
3515	}	4007	}
3516		4008
3517	Symbol::delete_package $k;
3518	}
3519
3520	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
3521	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
3522	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3523		4012
3524	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
3525	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
3526	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3527		4016
3528	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
3529	# and global variables created in xs	4018	# and global variables created in xs
3530	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
3531		4020
3532	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
3533		4022
3534	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
3535	require cf;	4024	require cf;
3536	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
3537		4026
3538	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
3539	cf::reload_config;	4028	cf::reload_config;
3540		4029
3541	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
3542	cf::load_extensions;	4031	cf::load_extensions;
3543		4032
		4033	if ($REATTACH_ON_RELOAD) {
3544	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
3545	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
3546	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
3547	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
3548	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
3549	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
3550		4041
3551	warn "leaving sync_job";	4042	cf::_post_init 1;
3552		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
3553	1	4046	1
3554	} or do {	4047	} or do {
3555	warn $@;	4048	error $@;
3556	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
3557	exit 1;	4050	};
		4051
		4052	--$RELOAD;
3558	};	4053	}
3559		4054
3560	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
3561	};	4057	};
3562		4058
3563	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
3564		4060
3565	sub reload_perl() {	4061	sub reload_perl() {
3566	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
3567	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
3568		4064
		4065	$RELOAD_WATCHER ||= cf::async {
		4066	Coro::AIO::aio_wait cache_extensions;
		4067
3569	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4069	do_reload_perl;
3570	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
3571	do_reload_perl;	4071	};
3572	};	4072	};
3573	}	4073	}
3574		4074
3575	register_command "reload" => sub {	4075	register_command "reload" => sub {
3576	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
…		…
3582	reload_perl;	4082	reload_perl;
3583	};	4083	};
3584	}	4084	}
3585	};	4085	};
3586		4086
3587	unshift @INC, $LIBDIR;	4087	#############################################################################
3588		4088
3589	my $bug_warning = 0;	4089	my $bug_warning = 0;
3590		4090
3591	our @WAIT_FOR_TICK;
3592	our @WAIT_FOR_TICK_BEGIN;
3593
3594	sub wait_for_tick {	4091	sub wait_for_tick() {
3595	return unless $TICK_WATCHER->is_active;	4092	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3596	return if $Coro::current == $Coro::main;
3597		4093
3598	my $signal = new Coro::Signal;	4094	$WAIT_FOR_TICK->wait;
3599	push @WAIT_FOR_TICK, $signal;
3600	$signal->wait;
3601	}	4095	}
3602		4096
3603	sub wait_for_tick_begin {	4097	sub wait_for_tick_begin() {
3604	return unless $TICK_WATCHER->is_active;	4098	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3605	return if $Coro::current == $Coro::main;
3606		4099
3607	my $signal = new Coro::Signal;	4100	my $signal = new Coro::Signal;
3608	push @WAIT_FOR_TICK_BEGIN, $signal;	4101	push @WAIT_FOR_TICK_BEGIN, $signal;
3609	$signal->wait;	4102	$signal->wait;
3610	}	4103	}
3611		4104
3612	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4105	sub tick {
3613	if ($Coro::current != $Coro::main) {	4106	if ($Coro::current != $Coro::main) {
3614	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4107	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3615	unless ++$bug_warning > 10;	4108	unless ++$bug_warning > 10;
3616	return;	4109	return;
3617	}	4110	}
3618		4111
3619	$NOW = $tick_start = EV::now;	4112	cf::one_tick; # one server iteration
3620		4113
3621	cf::server_tick; # one server iteration	4114	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3622
3623	$RUNTIME += $TICK;
3624	$NEXT_TICK = $_[0]->at;
3625		4115
3626	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3627	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4117	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3628	Coro::async_pool {	4118	Coro::async_pool {
3629	$Coro::current->{desc} = "runtime saver";	4119	$Coro::current->{desc} = "runtime saver";
3630	write_runtime	4120	write_runtime_sync
3631	or warn "ERROR: unable to write runtime file: $!";	4121	or error "ERROR: unable to write runtime file: $!";
3632	};	4122	};
3633	}	4123	}
3634		4124
3635	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4125	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3636	$sig->send;	4126	$sig->send;
3637	}	4127	}
3638	while (my $sig = shift @WAIT_FOR_TICK) {	4128	$WAIT_FOR_TICK->broadcast;
3639	$sig->send;
3640	}
3641		4129
3642	$LOAD = ($NOW - $tick_start) / $TICK;	4130	$LOAD = ($NOW - $TICK_START) / $TICK;
3643	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4131	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3644		4132
3645	_post_tick;	4133	if (0) {
3646	};	4134	if ($NEXT_TICK) {
3647	$TICK_WATCHER->priority (EV::MAXPRI);	4135	my $jitter = $TICK_START - $NEXT_TICK;
		4136	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4137	debug "jitter $JITTER\n";#d#
		4138	}
		4139	}
		4140	}
3648		4141
3649	{	4142	{
3650	# configure BDB	4143	# configure BDB
3651		4144
3652	BDB::min_parallel 8;	4145	BDB::min_parallel 16;
3653	BDB::max_poll_reqs $TICK * 0.1;	4146	BDB::max_poll_reqs $TICK * 0.1;
3654	$Coro::BDB::WATCHER->priority (1);	4147	#$AnyEvent::BDB::WATCHER->priority (1);
3655		4148
3656	unless ($DB_ENV) {	4149	unless ($DB_ENV) {
3657	$DB_ENV = BDB::db_env_create;	4150	$DB_ENV = BDB::db_env_create;
3658	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4151	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3659	| BDB::LOG_AUTOREMOVE, 1);	4152	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4153	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3660	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4154	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3661	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4155	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3662		4156
3663	cf::sync_job {	4157	cf::sync_job {
3664	eval {	4158	eval {
…		…
3690	{	4184	{
3691	# configure IO::AIO	4185	# configure IO::AIO
3692		4186
3693	IO::AIO::min_parallel 8;	4187	IO::AIO::min_parallel 8;
3694	IO::AIO::max_poll_time $TICK * 0.1;	4188	IO::AIO::max_poll_time $TICK * 0.1;
3695	$Coro::AIO::WATCHER->priority (1);	4189	undef $AnyEvent::AIO::WATCHER;
3696	}	4190	}
3697		4191
3698	my $_log_backtrace;	4192	our $_log_backtrace;
		4193	our $_log_backtrace_last;
3699		4194
3700	sub _log_backtrace {	4195	sub _log_backtrace {
3701	my ($msg, @addr) = @_;	4196	my ($msg, @addr) = @_;
3702		4197
3703	$msg =~ s/\n//;	4198	$msg =~ s/\n$//;
3704		4199
		4200	if ($_log_backtrace_last eq $msg) {
		4201	LOG llevInfo, "[ABT] $msg\n";
		4202	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3705	# limit the # of concurrent backtraces	4203	# limit the # of concurrent backtraces
3706	if ($_log_backtrace < 2) {	4204	} elsif ($_log_backtrace < 2) {
		4205	$_log_backtrace_last = $msg;
3707	++$_log_backtrace;	4206	++$_log_backtrace;
		4207	my $perl_bt = Carp::longmess $msg;
3708	async {	4208	async {
3709	$Coro::current->{desc} = "abt $msg";	4209	$Coro::current->{desc} = "abt $msg";
3710		4210
3711	my @bt = fork_call {	4211	my @bt = fork_call {
3712	@addr = map { sprintf "%x", $_ } @addr;	4212	@addr = map { sprintf "%x", $_ } @addr;
…		…
3723	}	4223	}
3724		4224
3725	@funcs	4225	@funcs
3726	};	4226	};
3727		4227
3728	LOG llevInfo, "[ABT] $msg\n";	4228	LOG llevInfo, "[ABT] $perl_bt\n";
		4229	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3729	LOG llevInfo, "[ABT] $_\n" for @bt;	4230	LOG llevInfo, "[ABT] $_\n" for @bt;
3730	--$_log_backtrace;	4231	--$_log_backtrace;
3731	};	4232	};
3732	} else {	4233	} else {
3733	LOG llevInfo, "[ABT] $msg\n";	4234	LOG llevInfo, "[ABT] $msg\n";
3734	LOG llevInfo, "[ABT] [suppressed]\n";	4235	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3735	}	4236	}
3736	}	4237	}
3737		4238
3738	# load additional modules	4239	# load additional modules
3739	use cf::pod;	4240	require "cf/$_.pm" for @EXTRA_MODULES;
		4241	cf::_connect_to_perl_2;
3740		4242
3741	END { cf::emergency_save }	4243	END { cf::emergency_save }
3742		4244
3743	1	4245	1
3744		4246

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