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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 1.572 by root, Sun May 8 11:44:43 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)
…		…
2056		2239
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;
		2244	$self->post_load_physics;
2061	cf::cede_to_tick;	2245	cf::cede_to_tick;
2062	$self->set_darkness_map;	2246	#$self->activate; # no longer activate maps automatically
2063	cf::cede_to_tick;
2064	$self->activate;
2065	}	2247	}
2066		2248
2067	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
2068	$self->last_access ($cf::RUNTIME);	2250	$self->last_access ($cf::RUNTIME);
2069
2070	$self->in_memory (cf::MAP_IN_MEMORY);
2071	}	2251	}
2072		2252
2073	$self->post_load;	2253	$self->post_load;
2074	}
2075		2254
		2255	1
		2256	}
		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
2076	sub customise_for {	2261	sub customise_for {
2077	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
2078		2263
2079	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
2080	if $self->per_player;	2265	if $self->per_player;
…		…
2096	or next;	2281	or next;
2097	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
2098	or next;	2283	or next;
2099	$neigh->load;	2284	$neigh->load;
2100		2285
		2286	# now find the diagonal neighbours
2101	push @neigh,	2287	push @neigh,
2102	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2103	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2104	}	2290	}
2105		2291
…		…
2112	}	2298	}
2113		2299
2114	sub find_sync {	2300	sub find_sync {
2115	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
2116		2302
2117	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
2118	}	2308	}
2119		2309
2120	sub do_load_sync {	2310	sub do_load_sync {
2121	my ($map) = @_;	2311	my ($map) = @_;
2122		2312
		2313	# it's a bug to call this from the main context
2123	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2124	if $Coro::current == $Coro::main;	2315	if $Coro::current == $Coro::main;
2125		2316
2126	cf::sync_job { $map->load };	2317	$map->load;
2127	}	2318	}
2128		2319
2129	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
2130	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
2131		2322
2132	sub find_async {	2323	sub find_async {
2133	my ($path, $origin, $load) = @_;	2324	my ($path, $origin, $load) = @_;
2134		2325
2135	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
2136		2327
		2328	print "find async $path (from $origin)\n";#d#
		2329
2137	if (my $map = $cf::MAP{$path}) {	2330	if (my $map = $cf::MAP{$path}) {
2138	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2331	return $map if !$load || $map->linkable;
2139	}	2332	}
2140		2333
2141	$MAP_PREFETCH{$path} |= $load;	2334	$MAP_PREFETCH{$path} |= $load;
2142		2335
2143	$MAP_PREFETCHER ||= cf::async {	2336	$MAP_PREFETCHER ||= cf::async {
…		…
2157	$MAP_PREFETCHER->prio (6);	2350	$MAP_PREFETCHER->prio (6);
2158		2351
2159	()	2352	()
2160	}	2353	}
2161		2354
		2355	# common code, used by both ->save and ->swapout
2162	sub save {	2356	sub _save {
2163	my ($self) = @_;	2357	my ($self) = @_;
2164
2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
2166		2358
2167	$self->{last_save} = $cf::RUNTIME;	2359	$self->{last_save} = $cf::RUNTIME;
2168		2360
2169	return unless $self->dirty;	2361	return unless $self->dirty;
2170		2362
…		…
2179		2371
2180	cf::async {	2372	cf::async {
2181	$Coro::current->{desc} = "map player save";	2373	$Coro::current->{desc} = "map player save";
2182	$_->contr->save for $self->players;	2374	$_->contr->save for $self->players;
2183	};	2375	};
		2376
		2377	cf::get_slot 0.02;
2184		2378
2185	if ($uniq) {	2379	if ($uniq) {
2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2187	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2381	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2188	} else {	2382	} else {
2189	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2383	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2190	}	2384	}
2191	}	2385	}
2192		2386
		2387	sub save {
		2388	my ($self) = @_;
		2389
		2390	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2391
		2392	$self->_save;
		2393	}
		2394
2193	sub swap_out {	2395	sub swap_out {
2194	my ($self) = @_;	2396	my ($self) = @_;
2195		2397
2196	# save first because save cedes
2197	$self->save;
2198
2199	my $lock = cf::lock_acquire "map_data:$self->{path}";	2398	my $lock = cf::lock_acquire "map_data:$self->{path}";
2200		2399
		2400	return if !$self->linkable;
		2401	return if $self->{deny_save};
2201	return if $self->players;	2402	return if $self->players;
2202	return if $self->in_memory != cf::MAP_IN_MEMORY;	2403
		2404	# first deactivate the map and "unlink" it from the core
		2405	$self->deactivate;
		2406	$_->clear_links_to ($self) for values %cf::MAP;
		2407	$self->state (cf::MAP_SWAPPED);
		2408
		2409	# then atomically save
		2410	$self->_save;
		2411
		2412	# then free the map
		2413	$self->clear;
		2414	}
		2415
		2416	sub reset_at {
		2417	my ($self) = @_;
		2418
		2419	# TODO: safety, remove and allow resettable per-player maps
2203	return if $self->{deny_save};	2420	return 1e99 if $self->{deny_reset};
2204		2421
		2422	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2423	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2424
		2425	$time + $to
		2426	}
		2427
		2428	sub should_reset {
		2429	my ($self) = @_;
		2430
		2431	$self->reset_at <= $cf::RUNTIME
		2432	}
		2433
		2434	sub reset {
		2435	my ($self) = @_;
		2436
		2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2438
		2439	return if $self->players;
		2440
		2441	cf::trace "resetting map ", $self->path, "\n";
		2442
2205	$self->in_memory (cf::MAP_SWAPPED);	2443	$self->state (cf::MAP_SWAPPED);
		2444
		2445	# need to save uniques path
		2446	unless ($self->{deny_save}) {
		2447	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2448
		2449	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2450	if $uniq;
		2451	}
		2452
		2453	delete $cf::MAP{$self->path};
2206		2454
2207	$self->deactivate;	2455	$self->deactivate;
2208	$_->clear_links_to ($self) for values %cf::MAP;	2456	$_->clear_links_to ($self) for values %cf::MAP;
2209	$self->clear;	2457	$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		2458
2255	$self->unlink_save;	2459	$self->unlink_save;
2256	$self->destroy;	2460	$self->destroy;
2257	}	2461	}
2258		2462
…		…
2266		2470
2267	delete $cf::MAP{$self->path};	2471	delete $cf::MAP{$self->path};
2268		2472
2269	$self->unlink_save;	2473	$self->unlink_save;
2270		2474
2271	bless $self, "cf::map";	2475	bless $self, "cf::map::wrap";
2272	delete $self->{deny_reset};	2476	delete $self->{deny_reset};
2273	$self->{deny_save} = 1;	2477	$self->{deny_save} = 1;
2274	$self->reset_timeout (1);	2478	$self->reset_timeout (1);
2275	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2479	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2276		2480
…		…
2325		2529
2326	sub unique_maps() {	2530	sub unique_maps() {
2327	[	2531	[
2328	map {	2532	map {
2329	utf8::decode $_;	2533	utf8::decode $_;
2330	/\.map$/	2534	s/\.map$//; # TODO future compatibility hack
		2535	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2536	? ()
2331	? normalise $_	2537	: normalise $_
2332	: ()
2333	} @{ aio_readdir $UNIQUEDIR or [] }	2538	} @{ aio_readdir $UNIQUEDIR or [] }
2334	]	2539	]
2335	}	2540	}
2336		2541
2337	package cf;	2542	=item cf::map::static_maps
		2543
		2544	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2545	file in the shared directory excluding F</styles> and F</editor>). May
		2546	block.
		2547
		2548	=cut
		2549
		2550	sub static_maps() {
		2551	my @dirs = "";
		2552	my @maps;
		2553
		2554	while (@dirs) {
		2555	my $dir = shift @dirs;
		2556
		2557	next if $dir eq "/styles" || $dir eq "/editor";
		2558
		2559	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2560	or return;
		2561
		2562	for (@$files) {
		2563	s/\.map$// or next;
		2564	utf8::decode $_;
		2565	push @maps, "$dir/$_";
		2566	}
		2567
		2568	push @dirs, map "$dir/$_", @$dirs;
		2569	}
		2570
		2571	\@maps
		2572	}
2338		2573
2339	=back	2574	=back
2340		2575
2341	=head3 cf::object	2576	=head3 cf::object
2342		2577
…		…
2346		2581
2347	=over 4	2582	=over 4
2348		2583
2349	=item $ob->inv_recursive	2584	=item $ob->inv_recursive
2350		2585
2351	Returns the inventory of the object _and_ their inventories, recursively.	2586	Returns the inventory of the object I<and> their inventories, recursively,
		2587	but I<not> the object itself.
2352		2588
2353	=cut	2589	=cut
2354		2590
2355	sub inv_recursive_;	2591	sub inv_recursive_;
2356	sub inv_recursive_ {	2592	sub inv_recursive_ {
…		…
2361	inv_recursive_ inv $_[0]	2597	inv_recursive_ inv $_[0]
2362	}	2598	}
2363		2599
2364	=item $ref = $ob->ref	2600	=item $ref = $ob->ref
2365		2601
2366	creates and returns a persistent reference to an objetc that can be stored as a string.	2602	Creates and returns a persistent reference to an object that can be stored as a string.
2367		2603
2368	=item $ob = cf::object::deref ($refstring)	2604	=item $ob = cf::object::deref ($refstring)
2369		2605
2370	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2606	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2371	even if the object actually exists. May block.	2607	even if the object actually exists. May block.
…		…
2403	can be C<undef>. Does the right thing when the player is currently in a	2639	can be C<undef>. Does the right thing when the player is currently in a
2404	dialogue with the given NPC character.	2640	dialogue with the given NPC character.
2405		2641
2406	=cut	2642	=cut
2407		2643
		2644	our $SAY_CHANNEL = {
		2645	id => "say",
		2646	title => "Map",
		2647	reply => "say ",
		2648	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2649	};
		2650
		2651	our $CHAT_CHANNEL = {
		2652	id => "chat",
		2653	title => "Chat",
		2654	reply => "chat ",
		2655	tooltip => "Player chat and shouts, global to the server.",
		2656	};
		2657
2408	# rough implementation of a future "reply" method that works	2658	# rough implementation of a future "reply" method that works
2409	# with dialog boxes.	2659	# with dialog boxes.
2410	#TODO: the first argument must go, split into a $npc->reply_to ( method	2660	#TODO: the first argument must go, split into a $npc->reply_to ( method
2411	sub cf::object::player::reply($$$;$) {	2661	sub cf::object::player::reply($$$;$) {
2412	my ($self, $npc, $msg, $flags) = @_;	2662	my ($self, $npc, $msg, $flags) = @_;
…		…
2423	my $dialog = $pl->{npc_dialog};	2673	my $dialog = $pl->{npc_dialog};
2424	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2674	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2425		2675
2426	} else {	2676	} else {
2427	$msg = $npc->name . " says: $msg" if $npc;	2677	$msg = $npc->name . " says: $msg" if $npc;
2428	$self->message ($msg, $flags);	2678	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2429	}	2679	}
2430	}	2680	}
2431	}	2681	}
2432		2682
2433	=item $object->send_msg ($channel, $msg, $color, [extra...])	2683	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2458		2708
2459	=item $player_object->enter_link	2709	=item $player_object->enter_link
2460		2710
2461	Freezes the player and moves him/her to a special map (C<{link}>).	2711	Freezes the player and moves him/her to a special map (C<{link}>).
2462		2712
2463	The player should be reasonably safe there for short amounts of time. You	2713	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.	2714	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2715	though, as the player cannot control the character while it is on the link
		2716	map.
2465		2717
2466	Will never block.	2718	Will never block.
2467		2719
2468	=item $player_object->leave_link ($map, $x, $y)	2720	=item $player_object->leave_link ($map, $x, $y)
2469		2721
…		…
2489	sub cf::object::player::enter_link {	2741	sub cf::object::player::enter_link {
2490	my ($self) = @_;	2742	my ($self) = @_;
2491		2743
2492	$self->deactivate_recursive;	2744	$self->deactivate_recursive;
2493		2745
		2746	++$self->{_link_recursion};
		2747
2494	return if UNIVERSAL::isa $self->map, "ext::map_link";	2748	return if UNIVERSAL::isa $self->map, "ext::map_link";
2495		2749
2496	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2497	if $self->map && $self->map->{path} ne "{link}";	2751	if $self->map && $self->map->{path} ne "{link}";
2498		2752
2499	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2753	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2500	}	2754	}
2501		2755
2502	sub cf::object::player::leave_link {	2756	sub cf::object::player::leave_link {
2503	my ($self, $map, $x, $y) = @_;	2757	my ($self, $map, $x, $y) = @_;
2504		2758
…		…
2521	($x, $y) = (-1, -1)	2775	($x, $y) = (-1, -1)
2522	unless (defined $x) && (defined $y);	2776	unless (defined $x) && (defined $y);
2523		2777
2524	# use -1 or undef as default coordinates, not 0, 0	2778	# use -1 or undef as default coordinates, not 0, 0
2525	($x, $y) = ($map->enter_x, $map->enter_y)	2779	($x, $y) = ($map->enter_x, $map->enter_y)
2526	if $x <=0 && $y <= 0;	2780	if $x <= 0 && $y <= 0;
2527		2781
2528	$map->load;	2782	$map->load;
2529	$map->load_neighbours;	2783	$map->load_neighbours;
2530		2784
2531	return unless $self->contr->active;	2785	return unless $self->contr->active;
2532	$self->activate_recursive;
2533		2786
2534	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2787	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2535	$self->enter_map ($map, $x, $y);	2788	if ($self->enter_map ($map, $x, $y)) {
2536	}	2789	# entering was successful
		2790	delete $self->{_link_recursion};
		2791	# only activate afterwards, to support waiting in hooks
		2792	$self->activate_recursive;
		2793	}
2537		2794
		2795	}
		2796
2538	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2797	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2539		2798
2540	Moves the player to the given map-path and coordinates by first freezing	2799	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	2800	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	2801	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	2802	the new (success) or old (failed) map position. In either case, $done will
2544	be called at the end of this process.	2803	be called at the end of this process.
2545		2804
		2805	Note that $check will be called with a potentially non-loaded map, so if
		2806	it needs a loaded map it has to call C<< ->load >>.
		2807
2546	=cut	2808	=cut
2547		2809
2548	our $GOTOGEN;	2810	our $GOTOGEN;
2549		2811
2550	sub cf::object::player::goto {	2812	sub cf::object::player::goto {
2551	my ($self, $path, $x, $y, $check, $done) = @_;	2813	my ($self, $path, $x, $y, $check, $done) = @_;
		2814
		2815	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2816	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2817	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2818	($path, $x, $y) = @$EMERGENCY_POSITION;
		2819	}
2552		2820
2553	# do generation counting so two concurrent goto's will be executed in-order	2821	# do generation counting so two concurrent goto's will be executed in-order
2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2822	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2555		2823
2556	$self->enter_link;	2824	$self->enter_link;
…		…
2576	($path, $x, $y) = (undef, undef, undef);	2844	($path, $x, $y) = (undef, undef, undef);
2577	}	2845	}
2578	}	2846	}
2579		2847
2580	my $map = eval {	2848	my $map = eval {
2581	my $map = defined $path ? cf::map::find $path : undef;	2849	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2582		2850
2583	if ($map) {	2851	if ($map) {
2584	$map = $map->customise_for ($self);	2852	$map = $map->customise_for ($self);
2585	$map = $check->($map) if $check && $map;	2853	$map = $check->($map, $x, $y, $self) if $check && $map;
2586	} else {	2854	} else {
2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2855	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2588	}	2856	}
2589		2857
2590	$map	2858	$map
…		…
2598	if ($gen == $self->{_goto_generation}) {	2866	if ($gen == $self->{_goto_generation}) {
2599	delete $self->{_goto_generation};	2867	delete $self->{_goto_generation};
2600	$self->leave_link ($map, $x, $y);	2868	$self->leave_link ($map, $x, $y);
2601	}	2869	}
2602		2870
2603	$done->() if $done;	2871	$done->($self) if $done;
2604	})->prio (1);	2872	})->prio (1);
2605	}	2873	}
2606		2874
2607	=item $player_object->enter_exit ($exit_object)	2875	=item $player_object->enter_exit ($exit_object)
2608		2876
…		…
2628	}	2896	}
2629		2897
2630	sub prepare_random_map {	2898	sub prepare_random_map {
2631	my ($exit) = @_;	2899	my ($exit) = @_;
2632		2900
2633	my $guard = cf::lock_acquire "exit_prepare:$exit";
2634
2635	# all this does is basically replace the /! path by	2901	# all this does is basically replace the /! path by
2636	# a new random map path (?random/...) with a seed	2902	# a new random map path (?random/...) with a seed
2637	# that depends on the exit object	2903	# that depends on the exit object
2638		2904
2639	my $rmp = parse_random_map_params $exit->msg;	2905	my $rmp = parse_random_map_params $exit->msg;
…		…
2641	if ($exit->map) {	2907	if ($exit->map) {
2642	$rmp->{region} = $exit->region->name;	2908	$rmp->{region} = $exit->region->name;
2643	$rmp->{origin_map} = $exit->map->path;	2909	$rmp->{origin_map} = $exit->map->path;
2644	$rmp->{origin_x} = $exit->x;	2910	$rmp->{origin_x} = $exit->x;
2645	$rmp->{origin_y} = $exit->y;	2911	$rmp->{origin_y} = $exit->y;
		2912
		2913	$exit->map->touch;
2646	}	2914	}
2647		2915
2648	$rmp->{random_seed} ||= $exit->random_seed;	2916	$rmp->{random_seed} ||= $exit->random_seed;
2649		2917
2650	my $data = cf::encode_json $rmp;	2918	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2651	my $md5 = Digest::MD5::md5_hex $data;	2919	my $md5 = Digest::MD5::md5_hex $data;
2652	my $meta = "$RANDOMDIR/$md5.meta";	2920	my $meta = "$RANDOMDIR/$md5.meta";
2653		2921
2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2922	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2655	aio_write $fh, 0, (length $data), $data, 0;	2923	aio_write $fh, 0, (length $data), $data, 0;
2656	undef $fh;	2924	undef $fh;
2657	aio_rename "$meta~", $meta;	2925	aio_rename "$meta~", $meta;
2658		2926
		2927	my $slaying = "?random/$md5";
		2928
		2929	if ($exit->valid) {
2659	$exit->slaying ("?random/$md5");	2930	$exit->slaying ("?random/$md5");
2660	$exit->msg (undef);	2931	$exit->msg (undef);
		2932	}
2661	}	2933	}
2662	}	2934	}
2663		2935
2664	sub cf::object::player::enter_exit {	2936	sub cf::object::player::enter_exit {
2665	my ($self, $exit) = @_;	2937	my ($self, $exit) = @_;
2666		2938
2667	return unless $self->type == cf::PLAYER;	2939	return unless $self->type == cf::PLAYER;
2668		2940
2669	if ($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;	2941	$self->enter_link;
2681		2942
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 {	2943	(async {
2687	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2944	$Coro::current->{desc} = "enter_exit";
2688		2945
2689	$self->deactivate_recursive; # just to be sure
2690	unless (eval {	2946	unless (eval {
		2947	$self->deactivate_recursive; # just to be sure
		2948
		2949	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2950	my $x = $exit->stats->hp;
		2951	my $y = $exit->stats->sp;
		2952
		2953	# special map handling
		2954	my $slaying = $exit->slaying;
		2955
		2956	# special map handling
		2957	if ($slaying eq "/!") {
		2958	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2959
		2960	prepare_random_map $exit
		2961	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2962
		2963	$map = $exit->slaying;
		2964
		2965	} elsif ($slaying eq '!up') {
		2966	$map = $exit->map->tile_path (cf::TILE_UP);
		2967	$x = $exit->x;
		2968	$y = $exit->y;
		2969
		2970	} elsif ($slaying eq '!down') {
		2971	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2972	$x = $exit->x;
		2973	$y = $exit->y;
		2974	}
		2975
2691	$self->goto ($slaying, $hp, $sp);	2976	$self->goto ($map, $x, $y);
2692		2977
		2978	# if exit is damned, update players death & WoR home-position
		2979	$self->contr->savebed ($map, $x, $y)
		2980	if $exit->flag (cf::FLAG_DAMNED);
		2981
2693	1;	2982	1
2694	}) {	2983	}) {
2695	$self->message ("Something went wrong deep within the crossfire server. "	2984	$self->message ("Something went wrong deep within the deliantra server. "
2696	. "I'll try to bring you back to the map you were before. "	2985	. "I'll try to bring you back to the map you were before. "
2697	. "Please report this to the dungeon master!",	2986	. "Please report this to the dungeon master!",
2698	cf::NDI_UNIQUE | cf::NDI_RED);	2987	cf::NDI_UNIQUE | cf::NDI_RED);
2699		2988
2700	warn "ERROR in enter_exit: $@";	2989	error "ERROR in enter_exit: $@";
2701	$self->leave_link;	2990	$self->leave_link;
2702	}	2991	}
2703	})->prio (1);	2992	})->prio (1);
2704	}	2993	}
2705		2994
…		…
2717	sub cf::client::send_drawinfo {	3006	sub cf::client::send_drawinfo {
2718	my ($self, $text, $flags) = @_;	3007	my ($self, $text, $flags) = @_;
2719		3008
2720	utf8::encode $text;	3009	utf8::encode $text;
2721	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3010	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3011	}
		3012
		3013	=item $client->send_big_packet ($pkt)
		3014
		3015	Like C<send_packet>, but tries to compress large packets, and fragments
		3016	them as required.
		3017
		3018	=cut
		3019
		3020	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3021
		3022	sub cf::client::send_big_packet {
		3023	my ($self, $pkt) = @_;
		3024
		3025	# try lzf for large packets
		3026	$pkt = "lzf " . Compress::LZF::compress $pkt
		3027	if 1024 <= length $pkt and $self->{can_lzf};
		3028
		3029	# split very large packets
		3030	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3031	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3032	$pkt = "frag";
		3033	}
		3034
		3035	$self->send_packet ($pkt);
2722	}	3036	}
2723		3037
2724	=item $client->send_msg ($channel, $msg, $color, [extra...])	3038	=item $client->send_msg ($channel, $msg, $color, [extra...])
2725		3039
2726	Send a drawinfo or msg packet to the client, formatting the msg for the	3040	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2730		3044
2731	=cut	3045	=cut
2732		3046
2733	# non-persistent channels (usually the info channel)	3047	# non-persistent channels (usually the info channel)
2734	our %CHANNEL = (	3048	our %CHANNEL = (
		3049	"c/motd" => {
		3050	id => "infobox",
		3051	title => "MOTD",
		3052	reply => undef,
		3053	tooltip => "The message of the day",
		3054	},
2735	"c/identify" => {	3055	"c/identify" => {
2736	id => "infobox",	3056	id => "infobox",
2737	title => "Identify",	3057	title => "Identify",
2738	reply => undef,	3058	reply => undef,
2739	tooltip => "Items recently identified",	3059	tooltip => "Items recently identified",
…		…
2741	"c/examine" => {	3061	"c/examine" => {
2742	id => "infobox",	3062	id => "infobox",
2743	title => "Examine",	3063	title => "Examine",
2744	reply => undef,	3064	reply => undef,
2745	tooltip => "Signs and other items you examined",	3065	tooltip => "Signs and other items you examined",
		3066	},
		3067	"c/shopinfo" => {
		3068	id => "infobox",
		3069	title => "Shop Info",
		3070	reply => undef,
		3071	tooltip => "What your bargaining skill tells you about the shop",
2746	},	3072	},
2747	"c/book" => {	3073	"c/book" => {
2748	id => "infobox",	3074	id => "infobox",
2749	title => "Book",	3075	title => "Book",
2750	reply => undef,	3076	reply => undef,
…		…
2766	id => "infobox",	3092	id => "infobox",
2767	title => "Body Parts",	3093	title => "Body Parts",
2768	reply => undef,	3094	reply => undef,
2769	tooltip => "Shows which body parts you posess and are available",	3095	tooltip => "Shows which body parts you posess and are available",
2770	},	3096	},
		3097	"c/statistics" => {
		3098	id => "infobox",
		3099	title => "Statistics",
		3100	reply => undef,
		3101	tooltip => "Shows your primary statistics",
		3102	},
		3103	"c/skills" => {
		3104	id => "infobox",
		3105	title => "Skills",
		3106	reply => undef,
		3107	tooltip => "Shows your experience per skill and item power",
		3108	},
		3109	"c/shopitems" => {
		3110	id => "infobox",
		3111	title => "Shop Items",
		3112	reply => undef,
		3113	tooltip => "Shows the items currently for sale in this shop",
		3114	},
		3115	"c/resistances" => {
		3116	id => "infobox",
		3117	title => "Resistances",
		3118	reply => undef,
		3119	tooltip => "Shows your resistances",
		3120	},
		3121	"c/pets" => {
		3122	id => "infobox",
		3123	title => "Pets",
		3124	reply => undef,
		3125	tooltip => "Shows information abotu your pets/a specific pet",
		3126	},
		3127	"c/perceiveself" => {
		3128	id => "infobox",
		3129	title => "Perceive Self",
		3130	reply => undef,
		3131	tooltip => "You gained detailed knowledge about yourself",
		3132	},
2771	"c/uptime" => {	3133	"c/uptime" => {
2772	id => "infobox",	3134	id => "infobox",
2773	title => "Uptime",	3135	title => "Uptime",
2774	reply => undef,	3136	reply => undef,
2775	tooltip => "How long the server has been running since last restart",	3137	tooltip => "How long the server has been running since last restart",
…		…
2778	id => "infobox",	3140	id => "infobox",
2779	title => "Map Info",	3141	title => "Map Info",
2780	reply => undef,	3142	reply => undef,
2781	tooltip => "Information related to the maps",	3143	tooltip => "Information related to the maps",
2782	},	3144	},
		3145	"c/party" => {
		3146	id => "party",
		3147	title => "Party",
		3148	reply => "gsay ",
		3149	tooltip => "Messages and chat related to your party",
		3150	},
		3151	"c/death" => {
		3152	id => "death",
		3153	title => "Death",
		3154	reply => undef,
		3155	tooltip => "Reason for and more info about your most recent death",
		3156	},
		3157	"c/say" => $SAY_CHANNEL,
		3158	"c/chat" => $CHAT_CHANNEL,
2783	);	3159	);
2784		3160
2785	sub cf::client::send_msg {	3161	sub cf::client::send_msg {
2786	my ($self, $channel, $msg, $color, @extra) = @_;	3162	my ($self, $channel, $msg, $color, @extra) = @_;
2787		3163
2788	$msg = $self->pl->expand_cfpod ($msg);	3164	$msg = $self->pl->expand_cfpod ($msg)
		3165	unless $color & cf::NDI_VERBATIM;
2789		3166
2790	$color &= cf::NDI_CLIENT_MASK; # just in case...	3167	$color &= cf::NDI_CLIENT_MASK; # just in case...
2791		3168
2792	# check predefined channels, for the benefit of C	3169	# check predefined channels, for the benefit of C
2793	if ($CHANNEL{$channel}) {	3170	if ($CHANNEL{$channel}) {
2794	$channel = $CHANNEL{$channel};	3171	$channel = $CHANNEL{$channel};
2795		3172
2796	$self->ext_msg (channel_info => $channel)	3173	$self->ext_msg (channel_info => $channel);
2797	if $self->can_msg;
2798
2799	$channel = $channel->{id};	3174	$channel = $channel->{id};
2800		3175
2801	} elsif (ref $channel) {	3176	} elsif (ref $channel) {
2802	# send meta info to client, if not yet sent	3177	# send meta info to client, if not yet sent
2803	unless (exists $self->{channel}{$channel->{id}}) {	3178	unless (exists $self->{channel}{$channel->{id}}) {
2804	$self->{channel}{$channel->{id}} = $channel;	3179	$self->{channel}{$channel->{id}} = $channel;
2805	$self->ext_msg (channel_info => $channel)	3180	$self->ext_msg (channel_info => $channel);
2806	if $self->can_msg;
2807	}	3181	}
2808		3182
2809	$channel = $channel->{id};	3183	$channel = $channel->{id};
2810	}	3184	}
2811		3185
2812	return unless @extra || length $msg;	3186	return unless @extra || length $msg;
2813		3187
2814	if ($self->can_msg) {
2815	# default colour, mask it out	3188	# default colour, mask it out
2816	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3189	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2817	if $color & cf::NDI_DEF;	3190	if $color & cf::NDI_DEF;
2818		3191
2819	$self->send_packet ("msg " . $self->{json_coder}->encode (	3192	my $pkt = "msg "
		3193	. $self->{json_coder}->encode (
2820	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3194	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2821	} else {	3195	);
2822	if ($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		3196
2833	$color &= cf::NDI_COLOR_MASK;	3197	$self->send_big_packet ($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	}	3198	}
2847		3199
2848	=item $client->ext_msg ($type, @msg)	3200	=item $client->ext_msg ($type, @msg)
2849		3201
2850	Sends an ext event to the client.	3202	Sends an ext event to the client.
…		…
2853		3205
2854	sub cf::client::ext_msg($$@) {	3206	sub cf::client::ext_msg($$@) {
2855	my ($self, $type, @msg) = @_;	3207	my ($self, $type, @msg) = @_;
2856		3208
2857	if ($self->extcmd == 2) {	3209	if ($self->extcmd == 2) {
2858	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2859	} elsif ($self->extcmd == 1) { # TODO: remove	3211	} elsif ($self->extcmd == 1) { # TODO: remove
2860	push @msg, msgtype => "event_$type";	3212	push @msg, msgtype => "event_$type";
2861	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3213	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2862	}	3214	}
2863	}	3215	}
2864		3216
2865	=item $client->ext_reply ($msgid, @msg)	3217	=item $client->ext_reply ($msgid, @msg)
2866		3218
…		…
2870		3222
2871	sub cf::client::ext_reply($$@) {	3223	sub cf::client::ext_reply($$@) {
2872	my ($self, $id, @msg) = @_;	3224	my ($self, $id, @msg) = @_;
2873		3225
2874	if ($self->extcmd == 2) {	3226	if ($self->extcmd == 2) {
2875	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3227	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2876	} elsif ($self->extcmd == 1) {	3228	} elsif ($self->extcmd == 1) {
2877	#TODO: version 1, remove	3229	#TODO: version 1, remove
2878	unshift @msg, msgtype => "reply", msgid => $id;	3230	unshift @msg, msgtype => "reply", msgid => $id;
2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3231	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2880	}	3232	}
2881	}	3233	}
2882		3234
2883	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2884		3236
…		…
2955		3307
2956	$ns->ext_reply ($reply, @reply)	3308	$ns->ext_reply ($reply, @reply)
2957	if $reply;	3309	if $reply;
2958		3310
2959	} else {	3311	} else {
2960	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3312	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2961	}	3313	}
2962		3314
2963	cf::override;	3315	cf::override;
2964	},	3316	},
2965	);	3317	);
…		…
2985		3337
2986	$coro	3338	$coro
2987	}	3339	}
2988		3340
2989	cf::client->attach (	3341	cf::client->attach (
2990	on_destroy => sub {	3342	on_client_destroy => sub {
2991	my ($ns) = @_;	3343	my ($ns) = @_;
2992		3344
2993	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3345	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2994	},	3346	},
2995	);	3347	);
…		…
3011	our $safe_hole = new Safe::Hole;	3363	our $safe_hole = new Safe::Hole;
3012		3364
3013	$SIG{FPE} = 'IGNORE';	3365	$SIG{FPE} = 'IGNORE';
3014		3366
3015	$safe->permit_only (Opcode::opset qw(	3367	$safe->permit_only (Opcode::opset qw(
3016	:base_core :base_mem :base_orig :base_math	3368	:base_core :base_mem :base_orig :base_math :base_loop
3017	grepstart grepwhile mapstart mapwhile	3369	grepstart grepwhile mapstart mapwhile
3018	sort time	3370	sort time
3019	));	3371	));
3020		3372
3021	# here we export the classes and methods available to script code	3373	# here we export the classes and methods available to script code
…		…
3024		3376
3025	The following functions and methods are available within a safe environment:	3377	The following functions and methods are available within a safe environment:
3026		3378
3027	cf::object	3379	cf::object
3028	contr pay_amount pay_player map x y force_find force_add destroy	3380	contr pay_amount pay_player map x y force_find force_add destroy
3029	insert remove name archname title slaying race decrease_ob_nr	3381	insert remove name archname title slaying race decrease split
		3382	value
3030		3383
3031	cf::object::player	3384	cf::object::player
3032	player	3385	player
3033		3386
3034	cf::player	3387	cf::player
…		…
3039		3392
3040	=cut	3393	=cut
3041		3394
3042	for (	3395	for (
3043	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3396	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3044	insert remove inv name archname title slaying race	3397	insert remove inv nrof name archname title slaying race
3045	decrease_ob_nr destroy)],	3398	decrease split destroy change_exp value msg lore send_msg)],
3046	["cf::object::player" => qw(player)],	3399	["cf::object::player" => qw(player)],
3047	["cf::player" => qw(peaceful)],	3400	["cf::player" => qw(peaceful send_msg)],
3048	["cf::map" => qw(trigger)],	3401	["cf::map" => qw(trigger)],
3049	) {	3402	) {
3050	no strict 'refs';
3051	my ($pkg, @funs) = @$_;	3403	my ($pkg, @funs) = @$_;
3052	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3404	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3053	for @funs;	3405	for @funs;
3054	}	3406	}
3055		3407
…		…
3070		3422
3071	my $qcode = $code;	3423	my $qcode = $code;
3072	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3424	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3073	$qcode =~ s/\n/\\n/g;	3425	$qcode =~ s/\n/\\n/g;
3074		3426
		3427	%vars = (_dummy => 0) unless %vars;
		3428
		3429	my @res;
3075	local $_;	3430	local $_;
3076	local @safe::cf::_safe_eval_args = values %vars;
3077		3431
3078	my $eval =	3432	my $eval =
3079	"do {\n"	3433	"do {\n"
3080	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3434	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3081	. "#line 0 \"{$qcode}\"\n"	3435	. "#line 0 \"{$qcode}\"\n"
3082	. $code	3436	. $code
3083	. "\n}"	3437	. "\n}"
3084	;	3438	;
3085		3439
		3440	if ($CFG{safe_eval}) {
3086	sub_generation_inc;	3441	sub_generation_inc;
		3442	local @safe::cf::_safe_eval_args = values %vars;
3087	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3443	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3088	sub_generation_inc;	3444	sub_generation_inc;
		3445	} else {
		3446	local @cf::_safe_eval_args = values %vars;
		3447	@res = wantarray ? eval eval : scalar eval $eval;
		3448	}
3089		3449
3090	if ($@) {	3450	if ($@) {
3091	warn "$@";	3451	warn "$@",
3092	warn "while executing safe code '$code'\n";	3452	"while executing safe code '$code'\n",
3093	warn "with arguments " . (join " ", %vars) . "\n";	3453	"with arguments " . (join " ", %vars) . "\n";
3094	}	3454	}
3095		3455
3096	wantarray ? @res : $res[0]	3456	wantarray ? @res : $res[0]
3097	}	3457	}
3098		3458
…		…
3112	=cut	3472	=cut
3113		3473
3114	sub register_script_function {	3474	sub register_script_function {
3115	my ($fun, $cb) = @_;	3475	my ($fun, $cb) = @_;
3116		3476
3117	no strict 'refs';	3477	$fun = "safe::$fun" if $CFG{safe_eval};
3118	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3478	*$fun = $safe_hole->wrap ($cb);
3119	}	3479	}
3120		3480
3121	=back	3481	=back
3122		3482
3123	=cut	3483	=cut
…		…
3132	# for this (global event?)	3492	# for this (global event?)
3133	%ext::player_env::MUSIC_FACE_CACHE = ();	3493	%ext::player_env::MUSIC_FACE_CACHE = ();
3134		3494
3135	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3495	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3136		3496
3137	warn "loading facedata from $path\n";	3497	trace "loading facedata from $path\n";
3138		3498
3139	my $facedata;	3499	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		3500
3145	$facedata->{version} == 2	3501	$facedata->{version} == 2
3146	or cf::cleanup "$path: version mismatch, cannot proceed.";	3502	or cf::cleanup "$path: version mismatch, cannot proceed.";
3147		3503
3148	# patch in the exptable	3504	# patch in the exptable
		3505	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3149	$facedata->{resource}{"res/exp_table"} = {	3506	$facedata->{resource}{"res/exp_table"} = {
3150	type => FT_RSRC,	3507	type => FT_RSRC,
3151	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3508	data => $exp_table,
		3509	hash => (Digest::MD5::md5 $exp_table),
3152	};	3510	};
3153	cf::cede_to_tick;	3511	cf::cede_to_tick;
3154		3512
3155	{	3513	{
3156	my $faces = $facedata->{faceinfo};	3514	my $faces = $facedata->{faceinfo};
…		…
3158	while (my ($face, $info) = each %$faces) {	3516	while (my ($face, $info) = each %$faces) {
3159	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3517	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3160		3518
3161	cf::face::set_visibility $idx, $info->{visibility};	3519	cf::face::set_visibility $idx, $info->{visibility};
3162	cf::face::set_magicmap $idx, $info->{magicmap};	3520	cf::face::set_magicmap $idx, $info->{magicmap};
3163	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3521	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3164	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3522	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3523	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3165		3524
3166	cf::cede_to_tick;	3525	cf::cede_to_tick;
3167	}	3526	}
3168		3527
3169	while (my ($face, $info) = each %$faces) {	3528	while (my ($face, $info) = each %$faces) {
…		…
3174		3533
3175	if (my $smooth = cf::face::find $info->{smooth}) {	3534	if (my $smooth = cf::face::find $info->{smooth}) {
3176	cf::face::set_smooth $idx, $smooth;	3535	cf::face::set_smooth $idx, $smooth;
3177	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3536	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3178	} else {	3537	} else {
3179	warn "smooth face '$info->{smooth}' not found for face '$face'";	3538	error "smooth face '$info->{smooth}' not found for face '$face'";
3180	}	3539	}
3181		3540
3182	cf::cede_to_tick;	3541	cf::cede_to_tick;
3183	}	3542	}
3184	}	3543	}
…		…
3193		3552
3194	cf::anim::invalidate_all; # d'oh	3553	cf::anim::invalidate_all; # d'oh
3195	}	3554	}
3196		3555
3197	{	3556	{
3198	# TODO: for gcfclient pleasure, we should give resources
3199	# that gcfclient doesn't grok a >10000 face index.
3200	my $res = $facedata->{resource};	3557	my $res = $facedata->{resource};
3201		3558
3202	while (my ($name, $info) = each %$res) {	3559	while (my ($name, $info) = each %$res) {
3203	if (defined $info->{type}) {	3560	if (defined $info->{type}) {
3204	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3561	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3205	my $data;
3206		3562
3207	if ($info->{type} & 1) {	3563	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};	3564	cf::face::set_type $idx, $info->{type};
3222	} else {	3565	} else {
3223	$RESOURCE{$name} = $info;	3566	$RESOURCE{$name} = $info; # unused
3224	}	3567	}
3225		3568
3226	cf::cede_to_tick;	3569	cf::cede_to_tick;
3227	}	3570	}
3228	}	3571	}
3229		3572
3230	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3573	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3231		3574
3232	1	3575	1
3233	}	3576	}
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 => $face;
3251	}
3252	}
3253	});
3254		3577
3255	register_exticmd fx_want => sub {	3578	register_exticmd fx_want => sub {
3256	my ($ns, $want) = @_;	3579	my ($ns, $want) = @_;
3257		3580
3258	while (my ($k, $v) = each %$want) {	3581	while (my ($k, $v) = each %$want) {
3259	$ns->fx_want ($k, $v);	3582	$ns->fx_want ($k, $v);
3260	}	3583	}
3261	};	3584	};
		3585
		3586	sub load_resource_file($) {
		3587	my $guard = lock_acquire "load_resource_file";
		3588
		3589	my $status = load_resource_file_ $_[0];
		3590	get_slot 0.1, 100;
		3591	cf::arch::commit_load;
		3592
		3593	$status
		3594	}
3262		3595
3263	sub reload_regions {	3596	sub reload_regions {
3264	# HACK to clear player env face cache, we need some signal framework	3597	# HACK to clear player env face cache, we need some signal framework
3265	# for this (global event?)	3598	# for this (global event?)
3266	%ext::player_env::MUSIC_FACE_CACHE = ();	3599	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3280	}	3613	}
3281		3614
3282	sub reload_archetypes {	3615	sub reload_archetypes {
3283	load_resource_file "$DATADIR/archetypes"	3616	load_resource_file "$DATADIR/archetypes"
3284	or die "unable to load archetypes\n";	3617	or die "unable to load archetypes\n";
3285	#d# NEED to laod twice to resolve forward references
3286	# this really needs to be done in an extra post-pass
3287	# (which needs to be synchronous, so solve it differently)
3288	load_resource_file "$DATADIR/archetypes"
3289	or die "unable to load archetypes\n";
3290	}	3618	}
3291		3619
3292	sub reload_treasures {	3620	sub reload_treasures {
3293	load_resource_file "$DATADIR/treasures"	3621	load_resource_file "$DATADIR/treasures"
3294	or die "unable to load treasurelists\n";	3622	or die "unable to load treasurelists\n";
3295	}	3623	}
3296		3624
		3625	sub reload_sound {
		3626	trace "loading sound config from $DATADIR/sound\n";
		3627
		3628	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3629
		3630	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3631	my $sound = $soundconf->{compat}[$_]
		3632	or next;
		3633
		3634	my $face = cf::face::find "sound/$sound->[1]";
		3635	cf::sound::set $sound->[0] => $face;
		3636	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3637	}
		3638
		3639	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3640	my $face = cf::face::find "sound/$v";
		3641	cf::sound::set $k => $face;
		3642	}
		3643	}
		3644
3297	sub reload_resources {	3645	sub reload_resources {
3298	warn "reloading resource files...\n";	3646	trace "reloading resource files...\n";
3299		3647
		3648	reload_exp_table;
		3649	reload_materials;
		3650	reload_facedata;
		3651	reload_sound;
		3652	reload_archetypes;
3300	reload_regions;	3653	reload_regions;
3301	reload_facedata;
3302	#reload_archetypes;#d#
3303	reload_archetypes;
3304	reload_treasures;	3654	reload_treasures;
3305		3655
3306	warn "finished reloading resource files\n";	3656	trace "finished reloading resource files\n";
3307	}
3308
3309	sub init {
3310	reload_resources;
3311	}	3657	}
3312		3658
3313	sub reload_config {	3659	sub reload_config {
3314	open my $fh, "<:utf8", "$CONFDIR/config"	3660	trace "reloading config file...\n";
3315	or return;
3316		3661
3317	local $/;	3662	my $config = load_file "$CONFDIR/config";
3318	*CFG = YAML::Syck::Load <$fh>;	3663	utf8::decode $config;
		3664	*CFG = decode_yaml $config;
3319		3665
3320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3666	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3321		3667
3322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3668	$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};	3669	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3324		3670
3325	if (exists $CFG{mlockall}) {	3671	if (exists $CFG{mlockall}) {
…		…
3329	};	3675	};
3330	warn $@ if $@;	3676	warn $@ if $@;
3331	}	3677	}
3332	}	3678	}
3333		3679
		3680	sub pidfile() {
		3681	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3682	or die "$PIDFILE: $!";
		3683	flock $fh, &Fcntl::LOCK_EX
		3684	or die "$PIDFILE: flock: $!";
		3685	$fh
		3686	}
		3687
		3688	# make sure only one server instance is running at any one time
		3689	sub atomic {
		3690	my $fh = pidfile;
		3691
		3692	my $pid = <$fh>;
		3693	kill 9, $pid if $pid > 0;
		3694
		3695	seek $fh, 0, 0;
		3696	print $fh $$;
		3697	}
		3698
		3699	sub main_loop {
		3700	trace "EV::loop starting\n";
		3701	if (1) {
		3702	EV::loop;
		3703	}
		3704	trace "EV::loop returned\n";
		3705	goto &main_loop unless $REALLY_UNLOOP;
		3706	}
		3707
3334	sub main {	3708	sub main {
		3709	cf::init_globals; # initialise logging
		3710
		3711	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3712	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3713	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3714	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3715
		3716	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3717
3335	# we must not ever block the main coroutine	3718	# we must not ever block the main coroutine
3336	local $Coro::idle = sub {	3719	local $Coro::idle = sub {
3337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3720	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3338	(async {	3721	(async {
3339	$Coro::current->{desc} = "IDLE BUG HANDLER";	3722	$Coro::current->{desc} = "IDLE BUG HANDLER";
3340	EV::loop EV::LOOP_ONESHOT;	3723	EV::loop EV::LOOP_ONESHOT;
3341	})->prio (Coro::PRIO_MAX);	3724	})->prio (Coro::PRIO_MAX);
3342	};	3725	};
3343		3726
		3727	evthread_start IO::AIO::poll_fileno;
		3728
		3729	cf::sync_job {
		3730	cf::incloader::init ();
		3731
		3732	cf::init_anim;
		3733	cf::init_attackmess;
		3734	cf::init_dynamic;
		3735
		3736	cf::load_settings;
		3737
		3738	reload_resources;
3344	reload_config;	3739	reload_config;
3345	db_init;	3740	db_init;
		3741
		3742	cf::init_uuid;
		3743	cf::init_signals;
		3744	cf::init_skills;
		3745
		3746	cf::init_beforeplay;
		3747
		3748	atomic;
		3749
3346	load_extensions;	3750	load_extensions;
3347		3751
3348	$TICK_WATCHER->start;	3752	utime time, time, $RUNTIMEFILE;
3349	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3753
3350	EV::loop;	3754	# no (long-running) fork's whatsoever before this point(!)
		3755	use POSIX ();
		3756	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3757
		3758	cf::_post_init 0;
		3759	};
		3760
		3761	cf::object::thawer::errors_are_fatal 0;
		3762	info "parse errors in files are no longer fatal from this point on.\n";
		3763
		3764	my $free_main; $free_main = EV::idle sub {
		3765	undef $free_main;
		3766	undef &main; # free gobs of memory :)
		3767	};
		3768
		3769	goto &main_loop;
3351	}	3770	}
3352		3771
3353	#############################################################################	3772	#############################################################################
3354	# initialisation and cleanup	3773	# initialisation and cleanup
3355		3774
3356	# install some emergency cleanup handlers	3775	# install some emergency cleanup handlers
3357	BEGIN {	3776	BEGIN {
3358	our %SIGWATCHER = ();	3777	our %SIGWATCHER = ();
3359	for my $signal (qw(INT HUP TERM)) {	3778	for my $signal (qw(INT HUP TERM)) {
3360	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3779	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3361	cf::cleanup "SIG$signal";	3780	cf::cleanup "SIG$signal";
3362	};	3781	};
3363	}	3782	}
3364	}	3783	}
3365		3784
3366	sub write_runtime {	3785	sub write_runtime_sync {
3367	my $runtime = "$LOCALDIR/runtime";	3786	my $t0 = AE::time;
3368		3787
3369	# first touch the runtime file to show we are still running:	3788	# first touch the runtime file to show we are still running:
3370	# the fsync below can take a very very long time.	3789	# the fsync below can take a very very long time.
3371		3790
3372	IO::AIO::aio_utime $runtime, undef, undef;	3791	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3373		3792
3374	my $guard = cf::lock_acquire "write_runtime";	3793	my $guard = cf::lock_acquire "write_runtime";
3375		3794
3376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3795	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3377	or return;	3796	or return;
3378		3797
3379	my $value = $cf::RUNTIME + 90 + 10;	3798	my $value = $cf::RUNTIME + 90 + 10;
3380	# 10 is the runtime save interval, for a monotonic clock	3799	# 10 is the runtime save interval, for a monotonic clock
3381	# 60 allows for the watchdog to kill the server.	3800	# 60 allows for the watchdog to kill the server.
…		…
3391	aio_utime $fh, undef, undef;	3810	aio_utime $fh, undef, undef;
3392		3811
3393	close $fh	3812	close $fh
3394	or return;	3813	or return;
3395		3814
3396	aio_rename "$runtime~", $runtime	3815	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3397	and return;	3816	and return;
3398		3817
3399	warn "runtime file written.\n";	3818	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3400		3819
3401	1	3820	1
		3821	}
		3822
		3823	our $uuid_lock;
		3824	our $uuid_skip;
		3825
		3826	sub write_uuid_sync($) {
		3827	$uuid_skip ||= $_[0];
		3828
		3829	return if $uuid_lock;
		3830	local $uuid_lock = 1;
		3831
		3832	my $uuid = "$LOCALDIR/uuid";
		3833
		3834	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3835	or return;
		3836
		3837	my $value = uuid_seq uuid_cur;
		3838
		3839	unless ($value) {
		3840	info "cowardly refusing to write zero uuid value!\n";
		3841	return;
		3842	}
		3843
		3844	my $value = uuid_str $value + $uuid_skip;
		3845	$uuid_skip = 0;
		3846
		3847	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3848	and return;
		3849
		3850	# always fsync - this file is important
		3851	aio_fsync $fh
		3852	and return;
		3853
		3854	close $fh
		3855	or return;
		3856
		3857	aio_rename "$uuid~", $uuid
		3858	and return;
		3859
		3860	trace "uuid file written ($value).\n";
		3861
		3862	1
		3863
		3864	}
		3865
		3866	sub write_uuid($$) {
		3867	my ($skip, $sync) = @_;
		3868
		3869	$sync ? write_uuid_sync $skip
		3870	: async { write_uuid_sync $skip };
3402	}	3871	}
3403		3872
3404	sub emergency_save() {	3873	sub emergency_save() {
3405	my $freeze_guard = cf::freeze_mainloop;	3874	my $freeze_guard = cf::freeze_mainloop;
3406		3875
3407	warn "enter emergency perl save\n";	3876	info "emergency_perl_save: enter\n";
		3877
		3878	# this is a trade-off: we want to be very quick here, so
		3879	# save all maps without fsync, and later call a global sync
		3880	# (which in turn might be very very slow)
		3881	local $USE_FSYNC = 0;
3408		3882
3409	cf::sync_job {	3883	cf::sync_job {
		3884	cf::write_runtime_sync; # external watchdog should not bark
		3885
3410	# use a peculiar iteration method to avoid tripping on perl	3886	# use a peculiar iteration method to avoid tripping on perl
3411	# refcount bugs in for. also avoids problems with players	3887	# refcount bugs in for. also avoids problems with players
3412	# and maps saved/destroyed asynchronously.	3888	# and maps saved/destroyed asynchronously.
3413	warn "begin emergency player save\n";	3889	info "emergency_perl_save: begin player save\n";
3414	for my $login (keys %cf::PLAYER) {	3890	for my $login (keys %cf::PLAYER) {
3415	my $pl = $cf::PLAYER{$login} or next;	3891	my $pl = $cf::PLAYER{$login} or next;
3416	$pl->valid or next;	3892	$pl->valid or next;
3417	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3893	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3418	$pl->save;	3894	$pl->save;
3419	}	3895	}
3420	warn "end emergency player save\n";	3896	info "emergency_perl_save: end player save\n";
3421		3897
3422	warn "begin emergency map save\n";	3898	cf::write_runtime_sync; # external watchdog should not bark
		3899
		3900	info "emergency_perl_save: begin map save\n";
3423	for my $path (keys %cf::MAP) {	3901	for my $path (keys %cf::MAP) {
3424	my $map = $cf::MAP{$path} or next;	3902	my $map = $cf::MAP{$path} or next;
3425	$map->valid or next;	3903	$map->valid or next;
3426	$map->save;	3904	$map->save;
3427	}	3905	}
3428	warn "end emergency map save\n";	3906	info "emergency_perl_save: end map save\n";
3429		3907
3430	warn "begin emergency database checkpoint\n";	3908	cf::write_runtime_sync; # external watchdog should not bark
		3909
		3910	info "emergency_perl_save: begin database checkpoint\n";
3431	BDB::db_env_txn_checkpoint $DB_ENV;	3911	BDB::db_env_txn_checkpoint $DB_ENV;
3432	warn "end emergency database checkpoint\n";	3912	info "emergency_perl_save: end database checkpoint\n";
		3913
		3914	info "emergency_perl_save: begin write uuid\n";
		3915	write_uuid_sync 1;
		3916	info "emergency_perl_save: end write uuid\n";
		3917
		3918	cf::write_runtime_sync; # external watchdog should not bark
		3919
		3920	trace "emergency_perl_save: syncing database to disk";
		3921	BDB::db_env_txn_checkpoint $DB_ENV;
		3922
		3923	info "emergency_perl_save: starting sync\n";
		3924	IO::AIO::aio_sync sub {
		3925	info "emergency_perl_save: finished sync\n";
		3926	};
		3927
		3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	trace "emergency_perl_save: flushing outstanding aio requests";
		3931	while (IO::AIO::nreqs || BDB::nreqs) {
		3932	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3933	}
		3934
		3935	cf::write_runtime_sync; # external watchdog should not bark
3433	};	3936	};
3434		3937
3435	warn "leave emergency perl save\n";	3938	info "emergency_perl_save: leave\n";
3436	}	3939	}
3437		3940
3438	sub post_cleanup {	3941	sub post_cleanup {
3439	my ($make_core) = @_;	3942	my ($make_core) = @_;
3440		3943
		3944	IO::AIO::flush;
		3945
3441	warn Carp::longmess "post_cleanup backtrace"	3946	error Carp::longmess "post_cleanup backtrace"
3442	if $make_core;	3947	if $make_core;
		3948
		3949	my $fh = pidfile;
		3950	unlink $PIDFILE if <$fh> == $$;
		3951	}
		3952
		3953	# a safer delete_package, copied from Symbol
		3954	sub clear_package($) {
		3955	my $pkg = shift;
		3956
		3957	# expand to full symbol table name if needed
		3958	unless ($pkg =~ /^main::.*::$/) {
		3959	$pkg = "main$pkg" if $pkg =~ /^::/;
		3960	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3961	$pkg .= '::' unless $pkg =~ /::$/;
		3962	}
		3963
		3964	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3965	my $stem_symtab = *{$stem}{HASH};
		3966
		3967	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3968	or return;
		3969
		3970	# clear all symbols
		3971	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3972	for my $name (keys %$leaf_symtab) {
		3973	_gv_clear *{"$pkg$name"};
		3974	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3975	}
3443	}	3976	}
3444		3977
3445	sub do_reload_perl() {	3978	sub do_reload_perl() {
3446	# can/must only be called in main	3979	# can/must only be called in main
3447	if ($Coro::current != $Coro::main) {	3980	unless (in_main) {
3448	warn "can only reload from main coroutine";	3981	error "can only reload from main coroutine";
3449	return;	3982	return;
3450	}	3983	}
3451		3984
3452	warn "reloading...";	3985	return if $RELOAD++;
3453		3986
3454	warn "entering sync_job";	3987	my $t1 = AE::time;
3455		3988
		3989	while ($RELOAD) {
		3990	cf::get_slot 0.1, -1, "reload_perl";
		3991	info "perl_reload: reloading...";
		3992
		3993	trace "perl_reload: entering sync_job";
		3994
3456	cf::sync_job {	3995	cf::sync_job {
3457	cf::write_runtime; # external watchdog should not bark
3458	cf::emergency_save;	3996	#cf::emergency_save;
3459	cf::write_runtime; # external watchdog should not bark
3460		3997
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";	3998	trace "perl_reload: cancelling all extension coros";
3478	$_->cancel for values %EXT_CORO;	3999	$_->cancel for values %EXT_CORO;
3479	%EXT_CORO = ();	4000	%EXT_CORO = ();
3480		4001
3481	warn "removing commands";	4002	trace "perl_reload: removing commands";
3482	%COMMAND = ();	4003	%COMMAND = ();
3483		4004
3484	warn "removing ext/exti commands";	4005	trace "perl_reload: removing ext/exti commands";
3485	%EXTCMD = ();	4006	%EXTCMD = ();
3486	%EXTICMD = ();	4007	%EXTICMD = ();
3487		4008
3488	warn "unloading/nuking all extensions";	4009	trace "perl_reload: unloading/nuking all extensions";
3489	for my $pkg (@EXTS) {	4010	for my $pkg (@EXTS) {
3490	warn "... unloading $pkg";	4011	trace "... unloading $pkg";
3491		4012
3492	if (my $cb = $pkg->can ("unload")) {	4013	if (my $cb = $pkg->can ("unload")) {
3493	eval {	4014	eval {
3494	$cb->($pkg);	4015	$cb->($pkg);
3495	1	4016	1
3496	} or warn "$pkg unloaded, but with errors: $@";	4017	} or error "$pkg unloaded, but with errors: $@";
		4018	}
		4019
		4020	trace "... clearing $pkg";
		4021	clear_package $pkg;
3497	}	4022	}
3498		4023
3499	warn "... nuking $pkg";
3500	Symbol::delete_package $pkg;
3501	}
3502
3503	warn "unloading all perl modules loaded from $LIBDIR";	4024	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3504	while (my ($k, $v) = each %INC) {	4025	while (my ($k, $v) = each %INC) {
3505	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4026	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3506		4027
3507	warn "... unloading $k";	4028	trace "... unloading $k";
3508	delete $INC{$k};	4029	delete $INC{$k};
3509		4030
3510	$k =~ s/\.pm$//;	4031	$k =~ s/\.pm$//;
3511	$k =~ s/\//::/g;	4032	$k =~ s/\//::/g;
3512		4033
3513	if (my $cb = $k->can ("unload_module")) {	4034	if (my $cb = $k->can ("unload_module")) {
3514	$cb->();	4035	$cb->();
		4036	}
		4037
		4038	clear_package $k;
3515	}	4039	}
3516		4040
3517	Symbol::delete_package $k;
3518	}
3519
3520	warn "getting rid of safe::, as good as possible";	4041	trace "perl_reload: getting rid of safe::, as good as possible";
3521	Symbol::delete_package "safe::$_"	4042	clear_package "safe::$_"
3522	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4043	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3523		4044
3524	warn "unloading cf.pm \"a bit\"";	4045	trace "perl_reload: unloading cf.pm \"a bit\"";
3525	delete $INC{"cf.pm"};	4046	delete $INC{"cf.pm"};
3526	delete $INC{"cf/pod.pm"};	4047	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3527		4048
3528	# don't, removes xs symbols, too,	4049	# don't, removes xs symbols, too,
3529	# and global variables created in xs	4050	# and global variables created in xs
3530	#Symbol::delete_package __PACKAGE__;	4051	#clear_package __PACKAGE__;
3531		4052
3532	warn "unload completed, starting to reload now";	4053	info "perl_reload: unload completed, starting to reload now";
3533		4054
3534	warn "reloading cf.pm";	4055	trace "perl_reload: reloading cf.pm";
3535	require cf;	4056	require cf;
3536	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4057	cf::_connect_to_perl_1;
3537		4058
3538	warn "loading config and database again";	4059	trace "perl_reload: loading config and database again";
3539	cf::reload_config;	4060	cf::reload_config;
3540		4061
3541	warn "loading extensions";	4062	trace "perl_reload: loading extensions";
3542	cf::load_extensions;	4063	cf::load_extensions;
3543		4064
		4065	if ($REATTACH_ON_RELOAD) {
3544	warn "reattaching attachments to objects/players";	4066	trace "perl_reload: reattaching attachments to objects/players";
3545	_global_reattach; # objects, sockets	4067	_global_reattach; # objects, sockets
3546	warn "reattaching attachments to maps";	4068	trace "perl_reload: reattaching attachments to maps";
3547	reattach $_ for values %MAP;	4069	reattach $_ for values %MAP;
3548	warn "reattaching attachments to players";	4070	trace "perl_reload: reattaching attachments to players";
3549	reattach $_ for values %PLAYER;	4071	reattach $_ for values %PLAYER;
		4072	}
3550		4073
3551	warn "leaving sync_job";	4074	cf::_post_init 1;
3552		4075
		4076	trace "perl_reload: leaving sync_job";
		4077
3553	1	4078	1
3554	} or do {	4079	} or do {
3555	warn $@;	4080	error $@;
3556	warn "error while reloading, exiting.";	4081	cf::cleanup "perl_reload: error, exiting.";
3557	exit 1;	4082	};
		4083
		4084	--$RELOAD;
3558	};	4085	}
3559		4086
3560	warn "reloaded";	4087	$t1 = AE::time - $t1;
		4088	info "perl_reload: completed in ${t1}s\n";
3561	};	4089	};
3562		4090
3563	our $RELOAD_WATCHER; # used only during reload	4091	our $RELOAD_WATCHER; # used only during reload
3564		4092
3565	sub reload_perl() {	4093	sub reload_perl() {
3566	# doing reload synchronously and two reloads happen back-to-back,	4094	# doing reload synchronously and two reloads happen back-to-back,
3567	# coro crashes during coro_state_free->destroy here.	4095	# coro crashes during coro_state_free->destroy here.
3568		4096
		4097	$RELOAD_WATCHER ||= cf::async {
		4098	Coro::AIO::aio_wait cache_extensions;
		4099
3569	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4100	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4101	do_reload_perl;
3570	undef $RELOAD_WATCHER;	4102	undef $RELOAD_WATCHER;
3571	do_reload_perl;	4103	};
3572	};	4104	};
3573	}	4105	}
3574		4106
3575	register_command "reload" => sub {	4107	register_command "reload" => sub {
3576	my ($who, $arg) = @_;	4108	my ($who, $arg) = @_;
…		…
3582	reload_perl;	4114	reload_perl;
3583	};	4115	};
3584	}	4116	}
3585	};	4117	};
3586		4118
3587	unshift @INC, $LIBDIR;	4119	#############################################################################
3588		4120
3589	my $bug_warning = 0;	4121	my $bug_warning = 0;
3590		4122
3591	our @WAIT_FOR_TICK;
3592	our @WAIT_FOR_TICK_BEGIN;
3593
3594	sub wait_for_tick {	4123	sub wait_for_tick() {
3595	return unless $TICK_WATCHER->is_active;	4124	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3596	return if $Coro::current == $Coro::main;
3597		4125
3598	my $signal = new Coro::Signal;	4126	$WAIT_FOR_TICK->wait;
3599	push @WAIT_FOR_TICK, $signal;
3600	$signal->wait;
3601	}	4127	}
3602		4128
3603	sub wait_for_tick_begin {	4129	sub wait_for_tick_begin() {
3604	return unless $TICK_WATCHER->is_active;	4130	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3605	return if $Coro::current == $Coro::main;
3606		4131
3607	my $signal = new Coro::Signal;	4132	my $signal = new Coro::Signal;
3608	push @WAIT_FOR_TICK_BEGIN, $signal;	4133	push @WAIT_FOR_TICK_BEGIN, $signal;
3609	$signal->wait;	4134	$signal->wait;
3610	}	4135	}
3611		4136
3612	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4137	sub tick {
3613	if ($Coro::current != $Coro::main) {	4138	if ($Coro::current != $Coro::main) {
3614	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4139	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3615	unless ++$bug_warning > 10;	4140	unless ++$bug_warning > 10;
3616	return;	4141	return;
3617	}	4142	}
3618		4143
3619	$NOW = $tick_start = EV::now;	4144	cf::one_tick; # one server iteration
3620		4145
3621	cf::server_tick; # one server iteration	4146	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3622
3623	$RUNTIME += $TICK;
3624	$NEXT_TICK = $_[0]->at;
3625		4147
3626	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4148	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3627	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4149	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3628	Coro::async_pool {	4150	Coro::async_pool {
3629	$Coro::current->{desc} = "runtime saver";	4151	$Coro::current->{desc} = "runtime saver";
3630	write_runtime	4152	write_runtime_sync
3631	or warn "ERROR: unable to write runtime file: $!";	4153	or error "ERROR: unable to write runtime file: $!";
3632	};	4154	};
3633	}	4155	}
3634		4156
3635	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3636	$sig->send;	4158	$sig->send;
3637	}	4159	}
3638	while (my $sig = shift @WAIT_FOR_TICK) {	4160	$WAIT_FOR_TICK->broadcast;
3639	$sig->send;
3640	}
3641		4161
3642	$LOAD = ($NOW - $tick_start) / $TICK;	4162	$LOAD = ($NOW - $TICK_START) / $TICK;
3643	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4163	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3644		4164
3645	_post_tick;	4165	if (0) {
3646	};	4166	if ($NEXT_TICK) {
3647	$TICK_WATCHER->priority (EV::MAXPRI);	4167	my $jitter = $TICK_START - $NEXT_TICK;
		4168	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4169	debug "jitter $JITTER\n";#d#
		4170	}
		4171	}
		4172	}
3648		4173
3649	{	4174	{
3650	# configure BDB	4175	# configure BDB
3651		4176
3652	BDB::min_parallel 8;	4177	BDB::min_parallel 16;
3653	BDB::max_poll_reqs $TICK * 0.1;	4178	BDB::max_poll_reqs $TICK * 0.1;
3654	$Coro::BDB::WATCHER->priority (1);	4179	$AnyEvent::BDB::WATCHER->priority (1);
3655		4180
3656	unless ($DB_ENV) {	4181	unless ($DB_ENV) {
3657	$DB_ENV = BDB::db_env_create;	4182	$DB_ENV = BDB::db_env_create;
3658	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4183	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3659	| BDB::LOG_AUTOREMOVE, 1);	4184	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4185	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3660	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4186	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3661	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4187	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3662		4188
3663	cf::sync_job {	4189	cf::sync_job {
3664	eval {	4190	eval {
…		…
3690	{	4216	{
3691	# configure IO::AIO	4217	# configure IO::AIO
3692		4218
3693	IO::AIO::min_parallel 8;	4219	IO::AIO::min_parallel 8;
3694	IO::AIO::max_poll_time $TICK * 0.1;	4220	IO::AIO::max_poll_time $TICK * 0.1;
3695	$Coro::AIO::WATCHER->priority (1);	4221	undef $AnyEvent::AIO::WATCHER;
3696	}	4222	}
3697		4223
3698	my $_log_backtrace;	4224	our $_log_backtrace;
		4225	our $_log_backtrace_last;
3699		4226
3700	sub _log_backtrace {	4227	sub _log_backtrace {
3701	my ($msg, @addr) = @_;	4228	my ($msg, @addr) = @_;
3702		4229
3703	$msg =~ s/\n//;	4230	$msg =~ s/\n$//;
3704		4231
		4232	if ($_log_backtrace_last eq $msg) {
		4233	LOG llevInfo, "[ABT] $msg\n";
		4234	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3705	# limit the # of concurrent backtraces	4235	# limit the # of concurrent backtraces
3706	if ($_log_backtrace < 2) {	4236	} elsif ($_log_backtrace < 2) {
		4237	$_log_backtrace_last = $msg;
3707	++$_log_backtrace;	4238	++$_log_backtrace;
		4239	my $perl_bt = Carp::longmess $msg;
3708	async {	4240	async {
3709	$Coro::current->{desc} = "abt $msg";	4241	$Coro::current->{desc} = "abt $msg";
3710		4242
3711	my @bt = fork_call {	4243	my @bt = fork_call {
3712	@addr = map { sprintf "%x", $_ } @addr;	4244	@addr = map { sprintf "%x", $_ } @addr;
…		…
3723	}	4255	}
3724		4256
3725	@funcs	4257	@funcs
3726	};	4258	};
3727		4259
3728	LOG llevInfo, "[ABT] $msg\n";	4260	LOG llevInfo, "[ABT] $perl_bt\n";
		4261	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3729	LOG llevInfo, "[ABT] $_\n" for @bt;	4262	LOG llevInfo, "[ABT] $_\n" for @bt;
3730	--$_log_backtrace;	4263	--$_log_backtrace;
3731	};	4264	};
3732	} else {	4265	} else {
3733	LOG llevInfo, "[ABT] $msg\n";	4266	LOG llevInfo, "[ABT] $msg\n";
3734	LOG llevInfo, "[ABT] [suppressed]\n";	4267	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3735	}	4268	}
3736	}	4269	}
3737		4270
3738	# load additional modules	4271	# load additional modules
3739	use cf::pod;	4272	require "cf/$_.pm" for @EXTRA_MODULES;
		4273	cf::_connect_to_perl_2;
3740		4274
3741	END { cf::emergency_save }	4275	END { cf::emergency_save }
3742		4276
3743	1	4277	1
3744		4278

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