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Revision 1.415 by root, Thu Apr 10 15:35:16 2008 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 2011 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV 3.2;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
35		36
		37	use Guard ();
36	use Coro 4.50 ();	38	use Coro ();
37	use Coro::State;	39	use Coro::State;
38	use Coro::Handle;	40	use Coro::Handle;
39	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
40	use Coro::Timer;	43	use Coro::Timer;
41	use Coro::Signal;	44	use Coro::Signal;
42	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
43	use Coro::AIO;	48	use Coro::AIO;
44	use Coro::BDB;	49	use Coro::BDB 1.6;
45	use Coro::Storable;	50	use Coro::Storable;
46	use Coro::Util ();	51	use Coro::Util ();
47		52
48	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
49	use BDB ();	54	use BDB ();
50	use Data::Dumper;	55	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	56	use Fcntl;
53	use YAML ();	57	use YAML::XS ();
54	use IO::AIO 2.51 ();	58	use IO::AIO ();
55	use Time::HiRes;	59	use Time::HiRes;
56	use Compress::LZF;	60	use Compress::LZF;
57	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
58		64
59	# configure various modules to our taste	65	# configure various modules to our taste
60	#	66	#
61	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
62	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";
63	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
64		75
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		78
67	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;
68		82
69	our %COMMAND = ();	83	our %COMMAND = ();
70	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
71		85
72	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
73	our %EXTCMD = ();	87	our %EXTCMD = ();
74	our %EXTICMD = ();	88	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
77		91
78	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
80		96
81	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
82	our $DATADIR = datadir;	99	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
86	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
92	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;
93		120
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	123	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		125
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	129	our $DB_ENV;
105		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
106	our %CFG;	133	our %CFG;
107		134
108	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
110	our $NOW;	138	our $NOW;
111		139
112	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
113	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
114	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
…		…
119	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)
120	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	149	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
123		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
124	binmode STDOUT;	160	binmode STDOUT;
125	binmode STDERR;	161	binmode STDERR;
126		162
127	# read virtual server time, if available	163	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
132	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
133		171
134	mkdir $_	172	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		174
137	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
138		176
139	sub cf::map::normalise;	177	sub cf::map::normalise;
140		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
141	#############################################################################	183	#############################################################################
142		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
143	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
144		197
145	=over 4	198	=over 4
146		199
147	=item $cf::UPTIME	200	=item $cf::UPTIME
148		201
149	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.
150		218
151	=item $cf::RUNTIME	219	=item $cf::RUNTIME
152		220
153	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
154	every server tick.	222	every server tick.
…		…
160	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
163	database environment.	231	database environment.
164		232
165	=item $cf::NOW
166
167	The time of the last (current) server tick.
168
169	=item $cf::TICK
170
171	The interval between server ticks, in seconds.
172
173	=item $cf::LOADAVG	233	=item $cf::LOADAVG
174		234
175	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
176	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
177	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
186	from wherever your confdir points to.	246	from wherever your confdir points to.
187		247
188	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
189		249
190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
191	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
194	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
195		272
196	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
197	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
198	that call.	275	that call.
199		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
200	=back	283	=back
201		284
202	=cut	285	=cut
203		286
204	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
205	*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 {
206	my $msg = join "", @_;	294	my $msg = join "", @_;
207		295
208	$msg .= "\n"	296	$msg .= "\n"
209	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
210		298
211	$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;
212		300
213	LOG llevError, $msg;	301	LOG llevWarn, $msg;
214	};	302	};
215	}
216		303
217	$Coro::State::DIEHOOK = sub {	304	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	305	return unless $^S eq 0; # "eq", not "=="
219		306
220	if ($Coro::current == $Coro::main) {#d#	307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	310	error "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	311	return;#d#
223	}#d#	312	}#d#
224		313
225	# kill coroutine otherwise	314	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	315	Coro::terminate
228	};	316	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		317
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	328	for my $pkg (qw(
243	cf::global cf::attachable	329	cf::global cf::attachable
244	cf::object cf::object::player	330	cf::object cf::object::player
245	cf::client cf::player	331	cf::client cf::player
246	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
247	cf::map cf::party cf::region	334	cf::party cf::region
248	)) {	335	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	337	}
252		338
253	$EV::DIED = sub {	339	$EV::DIED = sub {
254	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
255	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
256		347
257	#############################################################################	348	#############################################################################
258		349
259	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
260		351
…		…
281	$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;
282	$d	373	$d
283	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
284	}	375	}
285		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
286	=item $ref = cf::decode_json $json	391	=item $ref = cf::decode_json $json
287		392
288	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
289		394
290	=item $json = cf::encode_json $ref	395	=item $json = cf::encode_json $ref
…		…
296	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
297		402
298	sub encode_json($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
300		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
301	=item cf::lock_wait $string	468	=item cf::lock_wait $string
302		469
303	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
304		471
305	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
306		473
307	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
308	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,
309	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
310	returned.	477	returned.
311		478
312	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
313	deadlocked coro.	480	deadlocked coro.
…		…
319		486
320	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.
321		488
322	=cut	489	=cut
323		490
324	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		492
327	sub lock_wait($) {	493	sub lock_wait($) {
328	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	495	}
341		496
342	sub lock_acquire($) {	497	sub lock_acquire($) {
343	my ($key) = @_;	498	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	499	}
357		500
358	sub lock_active($) {	501	sub lock_active($) {
359	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	503	}
363		504
364	sub freeze_mainloop {	505	sub freeze_mainloop {
365	tick_inhibit_inc;	506	tick_inhibit_inc;
366		507
367	Coro::guard \&tick_inhibit_dec;	508	&Guard::guard (\&tick_inhibit_dec);
368	}	509	}
369		510
370	=item cf::periodic $interval, $cb	511	=item cf::periodic $interval, $cb
371		512
372	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
373	get spread over timer.	514	get spread over time.
374		515
375	=cut	516	=cut
376		517
377	sub periodic($$) {	518	sub periodic($$) {
378	my ($interval, $cb) = @_;	519	my ($interval, $cb) = @_;
…		…
382	EV::periodic $start, $interval, 0, $cb	523	EV::periodic $start, $interval, 0, $cb
383	}	524	}
384		525
385	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
386		527
387	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
388	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
389	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.
390		535
391	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
392	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
393		538
394	Useful for short background jobs.	539	Useful for short background jobs.
395		540
396	=cut	541	=cut
397		542
398	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
399	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
400		546
401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
403	$Coro::current->desc ("timeslot manager");	549	$Coro::current->desc ("timeslot manager");
404		550
405	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
406		553
407	while () {	554	while () {
408	next_job:	555	next_job:
		556
409	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
410	if ($avail > 0.01) {	558
411	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
412	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
413	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
414	$job->[2]->send;	563	$job->[2]->send;
415	Coro::cede;	564	Coro::cede;
416	goto next_job;	565	goto next_job;
417	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418	}	568	}
419	}	569	}
420		570
421	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
422	# 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
423	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
424	$signal->wait;
425	} else {	574	} else {
		575	$busy = 0;
426	Coro::schedule;	576	Coro::schedule;
427	}	577	}
428	}	578	}
429	};	579	};
430		580
431	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
432	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
433		585
434	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
435	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
436		589
437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
439	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
465	=cut	618	=cut
466		619
467	sub sync_job(&) {	620	sub sync_job(&) {
468	my ($job) = @_;	621	my ($job) = @_;
469		622
470	if ($Coro::current == $Coro::main) {	623	if (in_main) {
471	my $time = EV::time;	624	my $time = AE::time;
472		625
473	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
474	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
475		628
476	LOG llevError, Carp::longmess "sync job";#d#	629	#LOG llevError, Carp::longmess "sync job";#d#
477		630
478	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
479		632
480	my $busy = 1;	633	my $busy = 1;
481	my @res;	634	my @res;
482		635
483	(async {	636	(async {
484	$Coro::current->desc ("sync job coro");	637	$Coro::current->desc ("sync job coro");
485	@res = eval { $job->() };	638	@res = eval { $job->() };
486	warn $@ if $@;	639	error $@ if $@;
487	undef $busy;	640	undef $busy;
488	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
489		642
490	while ($busy) {	643	while ($busy) {
491	if (Coro::nready) {	644	if (Coro::nready) {
…		…
493	} else {	646	} else {
494	EV::loop EV::LOOP_ONESHOT;	647	EV::loop EV::LOOP_ONESHOT;
495	}	648	}
496	}	649	}
497		650
498	my $time = EV::time - $time;	651	my $time = AE::time - $time;
499		652
500	$TICK_START += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
501		654
502	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
503	} else {	656	} else {
…		…
525	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
526		679
527	$coro	680	$coro
528	}	681	}
529		682
530	=item fork_call { }, $args	683	=item fork_call { }, @args
531		684
532	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
533	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
534	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
535	never block itself or use any form of event handling.	688	never block itself or use any form of event handling.
536		689
537	=cut	690	=cut
538		691
		692	sub post_fork {
		693	reset_signals;
		694	}
		695
539	sub fork_call(&@) {	696	sub fork_call(&@) {
540	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
541		698
542	# 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,
543	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
544	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
545		702
546	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
547	reset_signals;	704	cf::post_fork;
548	&$cb	705	&$cb
549	}, @args;	706	} @args;
550		707
551	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	)
552	}	720	}
553		721
554	=item $coin = coin_from_name $name	722	=item $coin = coin_from_name $name
555		723
556	=cut	724	=cut
…		…
593	within each server.	761	within each server.
594		762
595	=cut	763	=cut
596		764
597	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
598	my ($name) = @_;	769	my ($name) = @_;
599	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
600		771
601	eval {	772	eval {
602	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
612	}	783	}
613		784
614	our $DB;	785	our $DB;
615		786
616	sub db_init {	787	sub db_init {
617	cf::sync_job {
618	$DB ||= db_table "db";	788	$DB ||= db_table "db";
619	};
620	}	789	}
621		790
622	sub db_get($$) {	791	sub db_get($$) {
623	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
624		793
625	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
626	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
627		798
628	$! ? ()	799	$! ? ()
629	: $data	800	: $data
630	}
631	}	801	}
632		802
633	sub db_put($$$) {	803	sub db_put($$$) {
634	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
663		833
664	my @data;	834	my @data;
665	my $md5;	835	my $md5;
666		836
667	for (0 .. $#$src) {	837	for (0 .. $#$src) {
668	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
669	or Carp::croak "$src->[$_]: $!";
670	}	839	}
671		840
672	# if processing is expensive, check	841	# if processing is expensive, check
673	# checksum first	842	# checksum first
674	if (1) {	843	if (1) {
…		…
691		860
692	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
693	my $data = $process->(\@data);	862	my $data = $process->(\@data);
694	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
695		864
696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
697		866
698	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
699	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
700	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
701		870
…		…
711		880
712	=cut	881	=cut
713		882
714	sub datalog($@) {	883	sub datalog($@) {
715	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
716	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
717	}	886	}
718		887
719	=back	888	=back
720		889
721	=cut	890	=cut
722		891
723	#############################################################################	892	#############################################################################
724		893
725	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
726		895
727	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
728	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")
729	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
730		899
731	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>
732	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
…		…
782	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
783		952
784	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
785	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
786		955
787	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
788	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.
789		958
790	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
791		960
792	=over 4	961	=over 4
…		…
916		1085
917	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
918	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
919		1088
920	} elsif (ref $type) {	1089	} elsif (ref $type) {
921	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
922		1091
923	} else {	1092	} else {
924	shift @arg;	1093	shift @arg;
925	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
926	}	1095	}
927	}	1096	}
928	}	1097	}
929		1098
930	sub _object_attach {	1099	sub _object_attach {
…		…
940	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
941	}	1110	}
942		1111
943	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
944	} else {	1113	} else {
945	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
946	}	1115	}
947		1116
948	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
949	}	1118	}
950		1119
…		…
1009		1178
1010	for (@$callbacks) {	1179	for (@$callbacks) {
1011	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
1012		1181
1013	if ($@) {	1182	if ($@) {
1014	warn "$@";
1015	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1016	override;	1184	override;
1017	}	1185	}
1018		1186
1019	return 1 if $override;	1187	return 1 if $override;
1020	}	1188	}
…		…
1083		1251
1084	sub reattach {	1252	sub reattach {
1085	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
1086	my ($obj) = @_;	1254	my ($obj) = @_;
1087		1255
		1256	# no longer needed after getting rid of delete_package?
1088	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
1089		1258
1090	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
1091		1260
1092	@$registry = ();	1261	@$registry = ();
1093		1262
…		…
1098	for (@$attach) {	1267	for (@$attach) {
1099	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
1100	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
1101	}	1270	}
1102	} else {	1271	} else {
1103	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1104	}	1273	}
1105	}	1274	}
1106	}	1275	}
1107		1276
1108	cf::attachable->attach (	1277	cf::attachable->attach (
…		…
1135	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1136		1305
1137	sync_job {	1306	sync_job {
1138	if (length $$rdata) {	1307	if (length $$rdata) {
1139	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1140	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1141	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1142		1312
1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1144	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1146	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	}
1147	close $fh;	1320	aio_close $fh;
1148		1321
1149	if (@$objs) {	1322	if (@$objs) {
1150	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) {
1151	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1153	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1154	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	}
1155	close $fh;	1331	aio_close $fh;
1156	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1157	}	1333	}
1158	} else {	1334	} else {
1159	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1160	}	1336	}
1161		1337
1162	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1163	} else {	1342	} else {
1164	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1165	}	1344	}
1166	} else {	1345	} else {
1167	aio_unlink $filename;	1346	aio_unlink $filename;
1168	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1169	}	1348	}
…		…
1193	my $st = eval { Coro::Storable::thaw $av };	1372	my $st = eval { Coro::Storable::thaw $av };
1194	$av = $st->{objs};	1373	$av = $st->{objs};
1195	}	1374	}
1196		1375
1197	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1198	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1199	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1200		1380
1201	($data, $av)	1381	($data, $av)
1202	}	1382	}
1203		1383
1204	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1260	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1261		1441
1262	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1263	}	1443	}
1264		1444
		1445	use File::Glob ();
		1446
1265	cf::player->attach (	1447	cf::player->attach (
1266	on_command => sub {	1448	on_unknown_command => sub {
1267	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1268		1450
1269	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1270	or return;	1452	or return;
1271		1453
…		…
1294		1476
1295	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1296	if $reply;	1478	if $reply;
1297		1479
1298	} else {	1480	} else {
1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1300	}	1482	}
1301		1483
1302	cf::override;	1484	cf::override;
1303	},	1485	},
1304	);	1486	);
1305		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
1306	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1307	cf::sync_job {	1504	cf::sync_job {
1308	my %todo;	1505	my %todo;
1309		1506
1310	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1311	next unless -r $path;	1508	next unless -r $path;
…		…
1329		1526
1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1332		1529
1333	$ext{source} =	1530	$ext{source} =
1334	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1335	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1336	. $source	1533	. $source
1337	. "\n};\n1";	1534	. "\n};\n1";
1338		1535
1339	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1340	}	1537	}
1341		1538
		1539	my $pass = 0;
1342	my %done;	1540	my %done;
1343	while (%todo) {	1541	while (%todo) {
1344	my $progress;	1542	my $progress;
1345		1543
		1544	++$pass;
		1545
		1546	ext:
1346	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1347	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1348	goto skip	1549	next ext
1349	unless exists $done{$_};	1550	unless exists $done{$_};
1350	}	1551	}
1351		1552
1352	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1353		1554
1354	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1355	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1356	: "$v->{base}: extension inactive.\n";
1357		1559
1358	if (exists $v->{meta}{mandatory}) {
1359	warn $msg;
1360	cf::cleanup "mandatory extension failed to load, exiting.";	1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1361	}	1561	if exists $v->{meta}{mandatory};
1362		1562
1363	warn $msg;	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1564	delete $todo{$k};
		1565	} else {
		1566	$done{$k} = delete $todo{$k};
		1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1364	}	1572	}
1365
1366	$done{$k} = delete $todo{$k};
1367	push @EXTS, $v->{pkg};
1368	$progress = 1;
1369	}	1573	}
1370		1574
1371	skip:	1575	unless ($progress) {
1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1373	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	}
1374	}	1585	}
1375	};	1586	};
1376	}	1587	}
1377		1588
1378	#############################################################################	1589	#############################################################################
1379		1590
1380	=back	1591	=back
1381		1592
1382	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1383		1594
1384	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1385		1596
1386	=cut	1597	=cut
1387		1598
1388	package cf::player;	1599	package cf::player;
1389		1600
…		…
1432		1643
1433	sub exists($) {	1644	sub exists($) {
1434	my ($login) = @_;	1645	my ($login) = @_;
1435		1646
1436	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1437	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1438	}	1649	}
1439		1650
1440	sub find($) {	1651	sub find($) {
1441	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1442	my $login = $_[0];	1653	my $login = $_[0];
…		…
1454	my $f = new_from_file cf::object::thawer path $login	1665	my $f = new_from_file cf::object::thawer path $login
1455	or return;	1666	or return;
1456		1667
1457	my $pl = cf::player::load_pl $f	1668	my $pl = cf::player::load_pl $f
1458	or return;	1669	or return;
		1670
1459	local $cf::PLAYER_LOADING{$login} = $pl;	1671	local $cf::PLAYER_LOADING{$login} = $pl;
1460	$f->resolve_delayed_derefs;	1672	$f->resolve_delayed_derefs;
1461	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1462	}	1674	}
1463	}	1675	}
1464	}	1676	}
1465		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
1466	sub save($) {	1691	sub save($) {
1467	my ($pl) = @_;	1692	my ($pl) = @_;
1468		1693
1469	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
1470		1695
…		…
1473		1698
1474	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1475		1700
1476	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1477	$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];
1478		1708
1479	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1480	cf::cede_to_tick;	1710	cf::cede_to_tick;
1481	}	1711	}
1482		1712
…		…
1514	my ($pl) = @_;	1744	my ($pl) = @_;
1515		1745
1516	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1517		1747
1518	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1519	$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
1520		1750
1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1522	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1523	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1524	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1525		1759
1526	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1527	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1528	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1566		1800
1567	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
1568	my $path = path $login;	1802	my $path = path $login;
1569		1803
1570	# a .pst is a dead give-away for a valid player	1804	# a .pst is a dead give-away for a valid player
1571	unless (-e "$path.pst") {	1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1573	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1574	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
1575	}	1810	}
1576		1811
…		…
1580		1815
1581	\@logins	1816	\@logins
1582	}	1817	}
1583		1818
1584	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1585		1822
1586	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1587	player. May block.	1824	player. May block.
1588		1825
1589	=cut	1826	=cut
…		…
1607	}	1844	}
1608		1845
1609	\@paths	1846	\@paths
1610	}	1847	}
1611		1848
1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1613		1850
1614	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1615
1616	=cut
1617
1618	use re 'eval';
1619
1620	my $group;
1621	my $interior; $interior = qr{
1622	# match a pod interior sequence sans C<< >>
1623	(?:
1624	\ (.*?)\ (?{ $group = $^N })
1625	| < (??{$interior}) >
1626	)
1627	}x;
1628
1629	sub expand_cfpod {
1630	my ($self, $pod) = @_;
1631
1632	my $xml;
1633
1634	while () {
1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636	$group = $1;
1637
1638	$group =~ s/&/&amp;/g;
1639	$group =~ s/</&lt;/g;
1640
1641	$xml .= $group;
1642	} elsif ($pod =~ m%\G
1643	([BCGHITU])
1644	<
1645	(?:
1646	([^<>]*) (?{ $group = $^N })
1647	| < $interior >
1648	)
1649	>
1650	%gcsx
1651	) {
1652	my ($code, $data) = ($1, $group);
1653
1654	if ($code eq "B") {
1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656	} elsif ($code eq "I") {
1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658	} elsif ($code eq "U") {
1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660	} elsif ($code eq "C") {
1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662	} elsif ($code eq "T") {
1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664	} elsif ($code eq "G") {
1665	my ($male, $female) = split /\|/, $data;
1666	$data = $self->gender ? $female : $male;
1667	$xml .= expand_cfpod ($self, $data);
1668	} elsif ($code eq "H") {
1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1671	"")
1672	[$self->{hintmode}];
1673	} else {
1674	$xml .= "error processing '$code($data)' directive";
1675	}
1676	} else {
1677	if ($pod =~ /\G(.+)/) {
1678	warn "parse error while expanding $pod (at $1)";
1679	}
1680	last;
1681	}
1682	}
1683
1684	for ($xml) {
1685	# create single paragraphs (very hackish)
1686	s/(?<=\S)\n(?=\w)/ /g;
1687
1688	# compress some whitespace
1689	s/\s+\n/\n/g; # ws line-ends
1690	s/\n\n+/\n/g; # double lines
1691	s/^\n+//; # beginning lines
1692	s/\n+$//; # ending lines
1693	}
1694
1695	$xml
1696	}
1697
1698	no re 'eval';
1699
1700	sub hintmode {
1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1702	$_[0]{hintmode}
1703	}
1704		1852
1705	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1706		1854
1707	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1708		1856
…		…
1740		1888
1741	=cut	1889	=cut
1742		1890
1743	sub find_by_path($) {	1891	sub find_by_path($) {
1744	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1745		1895
1746	my ($match, $specificity);	1896	my ($match, $specificity);
1747		1897
1748	for my $region (list) {	1898	for my $region (list) {
1749	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1775	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1776	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1777		1927
1778	sub generate_random_map {	1928	sub generate_random_map {
1779	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1780	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1781	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1782	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1783	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1784	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1785	$rmp->{exit_on_final_map},
1786	$rmp->{xsize}, $rmp->{ysize},
1787	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1788	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1789	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1790	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1791	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1792	(cf::region::find $rmp->{region}), $rmp->{custom}
1793	)
1794	}	1934	}
1795		1935
1796	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1797		1937
1798	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
…		…
1803		1943
1804	sub register {	1944	sub register {
1805	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1806	my $pkg = caller;	1946	my $pkg = caller;
1807		1947
1808	no strict;
1809	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1810		1949
1811	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1812	}	1951	}
1813		1952
1814	# also paths starting with '/'	1953	# also paths starting with '/'
1815	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1816		1955
1817	sub thawer_merge {	1956	sub thawer_merge {
1818	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1819		1958
1820	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1825	}	1964	}
1826		1965
1827	sub normalise {	1966	sub normalise {
1828	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1829		1968
1830	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1831		1970
1832	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1833		1972
1834	# map plan:	1973	# map plan:
1835	#	1974	#
…		…
1850	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1851	$path = "$base/$path";	1990	$path = "$base/$path";
1852	}	1991	}
1853		1992
1854	for ($path) {	1993	for ($path) {
1855	redo if s{//}{/};
1856	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1857	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1858	}	1996	}
1859		1997
1860	$path	1998	$path
…		…
1874	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1875	return $self;	2013	return $self;
1876	}	2014	}
1877	}	2015	}
1878		2016
1879	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1880	()	2018	()
1881	}	2019	}
1882		2020
		2021	# may re-bless or do other evil things
1883	sub init {	2022	sub init {
1884	my ($self) = @_;	2023	my ($self) = @_;
1885		2024
1886	$self	2025	$self
1887	}	2026	}
…		…
1906		2045
1907	# the temporary/swap location	2046	# the temporary/swap location
1908	sub save_path {	2047	sub save_path {
1909	my ($self) = @_;	2048	my ($self) = @_;
1910		2049
1911	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1912	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1913	}	2052	}
1914		2053
1915	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1916	sub uniq_path {	2055	sub uniq_path {
1917	my ($self) = @_;	2056	my ($self) = @_;
1918		2057
1919	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1920	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1921	}
1922
1923	# and all this just because we cannot iterate over
1924	# all maps in C++...
1925	sub change_all_map_light {
1926	my ($change) = @_;
1927
1928	$_->change_map_light ($change)
1929	for grep $_->outdoor, values %cf::MAP;
1930	}	2060	}
1931		2061
1932	sub decay_objects {	2062	sub decay_objects {
1933	my ($self) = @_;	2063	my ($self) = @_;
1934		2064
…		…
1961	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1962		2092
1963	1	2093	1
1964	}	2094	}
1965		2095
		2096	# used to laod the header of an original map
1966	sub load_header_orig {	2097	sub load_header_orig {
1967	my ($self) = @_;	2098	my ($self) = @_;
1968		2099
1969	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1970	}	2101	}
1971		2102
		2103	# used to laod the header of an instantiated map
1972	sub load_header_temp {	2104	sub load_header_temp {
1973	my ($self) = @_;	2105	my ($self) = @_;
1974		2106
1975	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1976	}	2108	}
1977		2109
		2110	# called after loading the header from an instantiated map
1978	sub prepare_temp {	2111	sub prepare_temp {
1979	my ($self) = @_;	2112	my ($self) = @_;
1980		2113
1981	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1982	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1983	# safety	2116	# safety
1984	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1985	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1986	}	2119	}
1987		2120
		2121	# called after loading the header from an original map
1988	sub prepare_orig {	2122	sub prepare_orig {
1989	my ($self) = @_;	2123	my ($self) = @_;
1990		2124
1991	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1992	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2016		2150
2017	sub find;	2151	sub find;
2018	sub find {	2152	sub find {
2019	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
2020		2154
		2155	cf::cede_to_tick;
		2156
2021	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
2022		2158
2023	cf::lock_wait "map_data:$path";#d#remove	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2024	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
2025		2161
2026	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
2027	my $guard1 = cf::lock_acquire "map_find:$path";
2028	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2029
2030	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
2031	or return;	2164	or return;
2032		2165
2033	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
2034		2167
…		…
2036	or return;	2169	or return;
2037		2170
2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2039	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
2040	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
2041	undef $guard1;	2175	undef $guard1;
2042	undef $guard2;
2043	$map->reset;	2176	$map->reset;
2044	return find $path;	2177	return find $path;
2045	}	2178	}
2046		2179
2047	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
2048	}	2181	}
2049	}	2182	}
2050		2183
2051	sub pre_load { }	2184	sub pre_load { }
2052	sub post_load { }	2185	#sub post_load { } # XS
2053		2186
2054	sub load {	2187	sub load {
2055	my ($self) = @_;	2188	my ($self) = @_;
2056		2189
2057	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2060		2193
2061	{	2194	{
2062	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
2063		2196
2064	return unless $self->valid;	2197	return unless $self->valid;
2065	return unless $self->in_memory == cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
2066
2067	$self->in_memory (cf::MAP_LOADING);
2068		2199
2069	$self->alloc;	2200	$self->alloc;
2070		2201
2071	$self->pre_load;	2202	$self->pre_load;
2072	cf::cede_to_tick;	2203	cf::cede_to_tick;
2073		2204
		2205	if (exists $self->{load_path}) {
2074	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
2075	$f->skip_block;	2207	$f->skip_block;
2076	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
2077	or return;	2209	or return;
2078		2210
2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
2080	if delete $self->{load_original};	2212	if delete $self->{load_original};
2081		2213
2082	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
2083	utf8::encode $uniq;	2215	utf8::encode $uniq;
2084	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
2085	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
2086	$self->clear_unique_items;	2218	$self->clear_unique_items;
2087	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
2088	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
2089	}	2222	}
2090	}	2223	}
2091	}
2092		2224
2093	$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);
2094		2232
2095	cf::cede_to_tick;	2233	cf::cede_to_tick;
2096	# now do the right thing for maps	2234	# now do the right thing for maps
2097	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
2098	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
2102	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
2103	$self->decay_objects;	2241	$self->decay_objects;
2104	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
2105	$self->update_buttons;	2243	$self->update_buttons;
2106	cf::cede_to_tick;	2244	cf::cede_to_tick;
2107	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
2108	cf::cede_to_tick;
2109	$self->activate;
2110	}	2246	}
2111		2247
2112	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
2113	$self->last_access ($cf::RUNTIME);	2249	$self->last_access ($cf::RUNTIME);
2114
2115	$self->in_memory (cf::MAP_IN_MEMORY);
2116	}	2250	}
2117		2251
2118	$self->post_load;	2252	$self->post_load;
2119	}
2120		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
2121	sub customise_for {	2260	sub customise_for {
2122	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
2123		2262
2124	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
2125	if $self->per_player;	2264	if $self->per_player;
…		…
2128	# if $self->per_party;	2267	# if $self->per_party;
2129		2268
2130	$self	2269	$self
2131	}	2270	}
2132		2271
2133	# find and load all maps in the 3x3 area around a map
2134	sub load_neighbours {
2135	my ($map) = @_;
2136
2137	my @neigh; # diagonal neighbours
2138
2139	for (0 .. 3) {
2140	my $neigh = $map->tile_path ($_)
2141	or next;
2142	$neigh = find $neigh, $map
2143	or next;
2144	$neigh->load;
2145
2146	push @neigh,
2147	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2148	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2149	}
2150
2151	for (grep defined $_->[0], @neigh) {
2152	my ($path, $origin) = @$_;
2153	my $neigh = find $path, $origin
2154	or next;
2155	$neigh->load;
2156	}
2157	}
2158
2159	sub find_sync {	2272	sub find_sync {
2160	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
2161		2274
2162	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
2163	}	2280	}
2164		2281
2165	sub do_load_sync {	2282	sub do_load_sync {
2166	my ($map) = @_;	2283	my ($map) = @_;
2167		2284
		2285	# it's a bug to call this from the main context
2168	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2169	if $Coro::current == $Coro::main;	2287	if $Coro::current == $Coro::main;
2170		2288
2171	cf::sync_job { $map->load };	2289	$map->load;
2172	}	2290	}
2173		2291
2174	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
2175	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
2176		2294
2177	sub find_async {	2295	sub find_async {
2178	my ($path, $origin, $load) = @_;	2296	my ($path, $origin, $load) = @_;
2179		2297
2180	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
2181		2299
2182	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
2184	}	2302	}
2185		2303
2186	$MAP_PREFETCH{$path} |= $load;	2304	$MAP_PREFETCH{$path} |= $load;
2187		2305
2188	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
…		…
2202	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
2203		2321
2204	()	2322	()
2205	}	2323	}
2206		2324
		2325	# common code, used by both ->save and ->swapout
2207	sub save {	2326	sub _save {
2208	my ($self) = @_;	2327	my ($self) = @_;
2209
2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
2211		2328
2212	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
2213		2330
2214	return unless $self->dirty;	2331	return unless $self->dirty;
2215		2332
…		…
2224		2341
2225	cf::async {	2342	cf::async {
2226	$Coro::current->{desc} = "map player save";	2343	$Coro::current->{desc} = "map player save";
2227	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
2228	};	2345	};
		2346
		2347	cf::get_slot 0.02;
2229		2348
2230	if ($uniq) {	2349	if ($uniq) {
2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2232	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2233	} else {	2352	} else {
2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2235	}	2354	}
2236	}	2355	}
2237		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
2238	sub swap_out {	2365	sub swap_out {
2239	my ($self) = @_;	2366	my ($self) = @_;
2240		2367
2241	# save first because save cedes
2242	$self->save;
2243
2244	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
2245		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
2246	return if $self->players;	2372	return if $self->players;
2247	return if $self->in_memory != cf::MAP_IN_MEMORY;	2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
		2383	$self->clear;
		2384	}
		2385
		2386	sub reset_at {
		2387	my ($self) = @_;
		2388
		2389	# TODO: safety, remove and allow resettable per-player maps
2248	return if $self->{deny_save};	2390	return 1e99 if $self->{deny_reset};
2249		2391
		2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2394
		2395	$time + $to
		2396	}
		2397
		2398	sub should_reset {
		2399	my ($self) = @_;
		2400
		2401	$self->reset_at <= $cf::RUNTIME
		2402	}
		2403
		2404	sub reset {
		2405	my ($self) = @_;
		2406
		2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2408
		2409	return if $self->players;
		2410
		2411	cf::trace "resetting map ", $self->path, "\n";
		2412
2250	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
		2414
		2415	# need to save uniques path
		2416	unless ($self->{deny_save}) {
		2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2418
		2419	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2420	if $uniq;
		2421	}
		2422
		2423	delete $cf::MAP{$self->path};
2251		2424
2252	$self->deactivate;	2425	$self->deactivate;
2253	$_->clear_links_to ($self) for values %cf::MAP;	2426	$_->clear_links_to ($self) for values %cf::MAP;
2254	$self->clear;	2427	$self->clear;
2255	}
2256
2257	sub reset_at {
2258	my ($self) = @_;
2259
2260	# TODO: safety, remove and allow resettable per-player maps
2261	return 1e99 if $self->{deny_reset};
2262
2263	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2264	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2265
2266	$time + $to
2267	}
2268
2269	sub should_reset {
2270	my ($self) = @_;
2271
2272	$self->reset_at <= $cf::RUNTIME
2273	}
2274
2275	sub reset {
2276	my ($self) = @_;
2277
2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
2279
2280	return if $self->players;
2281
2282	warn "resetting map ", $self->path;
2283
2284	$self->in_memory (cf::MAP_SWAPPED);
2285
2286	# need to save uniques path
2287	unless ($self->{deny_save}) {
2288	my $uniq = $self->uniq_path; utf8::encode $uniq;
2289
2290	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2291	if $uniq;
2292	}
2293
2294	delete $cf::MAP{$self->path};
2295
2296	$self->deactivate;
2297	$_->clear_links_to ($self) for values %cf::MAP;
2298	$self->clear;
2299		2428
2300	$self->unlink_save;	2429	$self->unlink_save;
2301	$self->destroy;	2430	$self->destroy;
2302	}	2431	}
2303		2432
…		…
2311		2440
2312	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
2313		2442
2314	$self->unlink_save;	2443	$self->unlink_save;
2315		2444
2316	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
2317	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
2318	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
2319	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
2320	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2321		2450
…		…
2370		2499
2371	sub unique_maps() {	2500	sub unique_maps() {
2372	[	2501	[
2373	map {	2502	map {
2374	utf8::decode $_;	2503	utf8::decode $_;
2375	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2376	? normalise $_	2507	: normalise $_
2377	: ()
2378	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2379	]	2509	]
2380	}	2510	}
2381		2511
		2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
		2543
2382	=back	2544	=back
2383		2545
2384	=head3 cf::object	2546	=head3 cf::object
2385		2547
2386	=cut	2548	=cut
…		…
2389		2551
2390	=over 4	2552	=over 4
2391		2553
2392	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2393		2555
2394	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
2395		2558
2396	=cut	2559	=cut
2397		2560
2398	sub inv_recursive_;	2561	sub inv_recursive_;
2399	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2404	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2405	}	2568	}
2406		2569
2407	=item $ref = $ob->ref	2570	=item $ref = $ob->ref
2408		2571
2409	creates and returns a persistent reference to an objetc that can be stored as a string.	2572	Creates and returns a persistent reference to an object that can be stored as a string.
2410		2573
2411	=item $ob = cf::object::deref ($refstring)	2574	=item $ob = cf::object::deref ($refstring)
2412		2575
2413	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2414	even if the object actually exists. May block.	2577	even if the object actually exists. May block.
…		…
2446	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
2447	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2448		2611
2449	=cut	2612	=cut
2450		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
		2627
2451	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2452	# with dialog boxes.	2629	# with dialog boxes.
2453	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
2454	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
2455	my ($self, $npc, $msg, $flags) = @_;	2632	my ($self, $npc, $msg, $flags) = @_;
…		…
2466	my $dialog = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2467	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2468		2645
2469	} else {	2646	} else {
2470	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2471	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2472	}	2649	}
2473	}	2650	}
2474	}	2651	}
2475		2652
2476	=item $object->send_msg ($channel, $msg, $color, [extra...])	2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2501		2678
2502	=item $player_object->enter_link	2679	=item $player_object->enter_link
2503		2680
2504	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
2505		2682
2506	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
2507	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
2508		2687
2509	Will never block.	2688	Will never block.
2510		2689
2511	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2512		2691
…		…
2532	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2533	my ($self) = @_;	2712	my ($self) = @_;
2534		2713
2535	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2536		2715
		2716	++$self->{_link_recursion};
		2717
2537	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2538		2719
2539	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2540	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2541		2722
2542	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2543	}	2724	}
2544		2725
2545	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2546	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2547		2728
…		…
2564	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2565	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2566		2747
2567	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2568	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2569	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2570		2751
2571	$map->load;	2752	$map->load;
2572	$map->load_neighbours;
2573		2753
2574	return unless $self->contr->active;	2754	return unless $self->contr->active;
2575	$self->activate_recursive;
2576		2755
2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2578	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2579	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2580		2763
		2764	}
		2765
2581	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2582		2767
2583	Moves the player to the given map-path and coordinates by first freezing	2768	Moves the player to the given map-path and coordinates by first freezing
2584	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2585	that has to return the map if sucecssful, and then unfreezes the player on	2770	that has to return the map if sucecssful, and then unfreezes the player on
2586	the new (success) or old (failed) map position. In either case, $done will	2771	the new (success) or old (failed) map position. In either case, $done will
2587	be called at the end of this process.	2772	be called at the end of this process.
2588		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
2589	=cut	2777	=cut
2590		2778
2591	our $GOTOGEN;	2779	our $GOTOGEN;
2592		2780
2593	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2594	my ($self, $path, $x, $y, $check, $done) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
2595		2789
2596	# do generation counting so two concurrent goto's will be executed in-order	2790	# do generation counting so two concurrent goto's will be executed in-order
2597	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2598		2792
2599	$self->enter_link;	2793	$self->enter_link;
…		…
2619	($path, $x, $y) = (undef, undef, undef);	2813	($path, $x, $y) = (undef, undef, undef);
2620	}	2814	}
2621	}	2815	}
2622		2816
2623	my $map = eval {	2817	my $map = eval {
2624	my $map = defined $path ? cf::map::find $path : undef;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2625		2819
2626	if ($map) {	2820	if ($map) {
2627	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2628	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2629	} else {	2823	} else {
2630	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2631	}	2825	}
2632		2826
2633	$map	2827	$map
…		…
2641	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2642	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2643	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2644	}	2838	}
2645		2839
2646	$done->() if $done;	2840	$done->($self) if $done;
2647	})->prio (1);	2841	})->prio (1);
2648	}	2842	}
2649		2843
2650	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2651		2845
…		…
2671	}	2865	}
2672		2866
2673	sub prepare_random_map {	2867	sub prepare_random_map {
2674	my ($exit) = @_;	2868	my ($exit) = @_;
2675		2869
2676	my $guard = cf::lock_acquire "exit_prepare:$exit";
2677
2678	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2679	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2680	# that depends on the exit object	2872	# that depends on the exit object
2681		2873
2682	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2684	if ($exit->map) {	2876	if ($exit->map) {
2685	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2686	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2687	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2688	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2689	}	2883	}
2690		2884
2691	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2692		2886
2693	my $data = cf::encode_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2694	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2695	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2696		2890
2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2698	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2699	undef $fh;	2893	undef $fh;
2700	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2701		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2702	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2703	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2704	}	2902	}
2705	}	2903	}
2706		2904
2707	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2708	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2709		2907
2710	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2711		2909
2712	if ($exit->slaying eq "/!") {
2713	#TODO: this should de-fi-ni-te-ly not be a sync-job
2714	# the problem is that $exit might not survive long enough
2715	# so it needs to be done right now, right here
2716	cf::sync_job { prepare_random_map $exit };
2717	}
2718
2719	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2720	my $hp = $exit->stats->hp;
2721	my $sp = $exit->stats->sp;
2722
2723	$self->enter_link;	2910	$self->enter_link;
2724		2911
2725	# if exit is damned, update players death & WoR home-position
2726	$self->contr->savebed ($slaying, $hp, $sp)
2727	if $exit->flag (FLAG_DAMNED);
2728
2729	(async {	2912	(async {
2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2913	$Coro::current->{desc} = "enter_exit";
2731		2914
2732	$self->deactivate_recursive; # just to be sure
2733	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
2734	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2735		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
2736	1;	2951	1
2737	}) {	2952	}) {
2738	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2739	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
2740	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2741	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2742		2957
2743	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2744	$self->leave_link;	2959	$self->leave_link;
2745	}	2960	}
2746	})->prio (1);	2961	})->prio (1);
2747	}	2962	}
2748		2963
…		…
2760	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
2761	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
2762		2977
2763	utf8::encode $text;	2978	utf8::encode $text;
2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2980	}
		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
2765	}	3005	}
2766		3006
2767	=item $client->send_msg ($channel, $msg, $color, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2768		3008
2769	Send a drawinfo or msg packet to the client, formatting the msg for the	3009	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2773		3013
2774	=cut	3014	=cut
2775		3015
2776	# non-persistent channels (usually the info channel)	3016	# non-persistent channels (usually the info channel)
2777	our %CHANNEL = (	3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
2778	"c/identify" => {	3024	"c/identify" => {
2779	id => "infobox",	3025	id => "infobox",
2780	title => "Identify",	3026	title => "Identify",
2781	reply => undef,	3027	reply => undef,
2782	tooltip => "Items recently identified",	3028	tooltip => "Items recently identified",
…		…
2784	"c/examine" => {	3030	"c/examine" => {
2785	id => "infobox",	3031	id => "infobox",
2786	title => "Examine",	3032	title => "Examine",
2787	reply => undef,	3033	reply => undef,
2788	tooltip => "Signs and other items you examined",	3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
2789	},	3041	},
2790	"c/book" => {	3042	"c/book" => {
2791	id => "infobox",	3043	id => "infobox",
2792	title => "Book",	3044	title => "Book",
2793	reply => undef,	3045	reply => undef,
…		…
2809	id => "infobox",	3061	id => "infobox",
2810	title => "Body Parts",	3062	title => "Body Parts",
2811	reply => undef,	3063	reply => undef,
2812	tooltip => "Shows which body parts you posess and are available",	3064	tooltip => "Shows which body parts you posess and are available",
2813	},	3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
2814	"c/uptime" => {	3102	"c/uptime" => {
2815	id => "infobox",	3103	id => "infobox",
2816	title => "Uptime",	3104	title => "Uptime",
2817	reply => undef,	3105	reply => undef,
2818	tooltip => "How long the server has been running since last restart",	3106	tooltip => "How long the server has been running since last restart",
…		…
2821	id => "infobox",	3109	id => "infobox",
2822	title => "Map Info",	3110	title => "Map Info",
2823	reply => undef,	3111	reply => undef,
2824	tooltip => "Information related to the maps",	3112	tooltip => "Information related to the maps",
2825	},	3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
2826	);	3128	);
2827		3129
2828	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2829	my ($self, $channel, $msg, $color, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2830		3132
2831	$msg = $self->pl->expand_cfpod ($msg);	3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
2832		3135
2833	$color &= cf::NDI_CLIENT_MASK; # just in case...	3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
2834		3137
2835	# check predefined channels, for the benefit of C	3138	# check predefined channels, for the benefit of C
2836	if ($CHANNEL{$channel}) {	3139	if ($CHANNEL{$channel}) {
2837	$channel = $CHANNEL{$channel};	3140	$channel = $CHANNEL{$channel};
2838		3141
2839	$self->ext_msg (channel_info => $channel)	3142	$self->ext_msg (channel_info => $channel);
2840	if $self->can_msg;
2841
2842	$channel = $channel->{id};	3143	$channel = $channel->{id};
2843		3144
2844	} elsif (ref $channel) {	3145	} elsif (ref $channel) {
2845	# send meta info to client, if not yet sent	3146	# send meta info to client, if not yet sent
2846	unless (exists $self->{channel}{$channel->{id}}) {	3147	unless (exists $self->{channel}{$channel->{id}}) {
2847	$self->{channel}{$channel->{id}} = $channel;	3148	$self->{channel}{$channel->{id}} = $channel;
2848	$self->ext_msg (channel_info => $channel)	3149	$self->ext_msg (channel_info => $channel);
2849	if $self->can_msg;
2850	}	3150	}
2851		3151
2852	$channel = $channel->{id};	3152	$channel = $channel->{id};
2853	}	3153	}
2854		3154
2855	return unless @extra || length $msg;	3155	return unless @extra || length $msg;
2856		3156
2857	if ($self->can_msg) {
2858	# default colour, mask it out	3157	# default colour, mask it out
2859	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2860	if $color & cf::NDI_DEF;	3159	if $color & cf::NDI_DEF;
2861		3160
2862	$self->send_packet ("msg " . $self->{json_coder}->encode (	3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2864	} else {	3164	);
2865	if ($color >= 0) {
2866	# replace some tags by gcfclient-compatible ones
2867	for ($msg) {
2868	1 while
2869	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2870	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2871	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2872	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2873	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2874	}
2875		3165
2876	$color &= cf::NDI_COLOR_MASK;	3166	$self->send_big_packet ($pkt);
2877
2878	utf8::encode $msg;
2879
2880	if (0 && $msg =~ /\[/) {
2881	# COMMAND/INFO
2882	$self->send_packet ("drawextinfo $color 10 8 $msg")
2883	} else {
2884	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2885	$self->send_packet ("drawinfo $color $msg")
2886	}
2887	}
2888	}
2889	}	3167	}
2890		3168
2891	=item $client->ext_msg ($type, @msg)	3169	=item $client->ext_msg ($type, @msg)
2892		3170
2893	Sends an ext event to the client.	3171	Sends an ext event to the client.
…		…
2896		3174
2897	sub cf::client::ext_msg($$@) {	3175	sub cf::client::ext_msg($$@) {
2898	my ($self, $type, @msg) = @_;	3176	my ($self, $type, @msg) = @_;
2899		3177
2900	if ($self->extcmd == 2) {	3178	if ($self->extcmd == 2) {
2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2902	} elsif ($self->extcmd == 1) { # TODO: remove	3180	} elsif ($self->extcmd == 1) { # TODO: remove
2903	push @msg, msgtype => "event_$type";	3181	push @msg, msgtype => "event_$type";
2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2905	}	3183	}
2906	}	3184	}
2907		3185
2908	=item $client->ext_reply ($msgid, @msg)	3186	=item $client->ext_reply ($msgid, @msg)
2909		3187
…		…
2913		3191
2914	sub cf::client::ext_reply($$@) {	3192	sub cf::client::ext_reply($$@) {
2915	my ($self, $id, @msg) = @_;	3193	my ($self, $id, @msg) = @_;
2916		3194
2917	if ($self->extcmd == 2) {	3195	if ($self->extcmd == 2) {
2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2919	} elsif ($self->extcmd == 1) {	3197	} elsif ($self->extcmd == 1) {
2920	#TODO: version 1, remove	3198	#TODO: version 1, remove
2921	unshift @msg, msgtype => "reply", msgid => $id;	3199	unshift @msg, msgtype => "reply", msgid => $id;
2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2923	}	3201	}
2924	}	3202	}
2925		3203
2926	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2927		3205
…		…
2998		3276
2999	$ns->ext_reply ($reply, @reply)	3277	$ns->ext_reply ($reply, @reply)
3000	if $reply;	3278	if $reply;
3001		3279
3002	} else {	3280	} else {
3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3004	}	3282	}
3005		3283
3006	cf::override;	3284	cf::override;
3007	},	3285	},
3008	);	3286	);
…		…
3028		3306
3029	$coro	3307	$coro
3030	}	3308	}
3031		3309
3032	cf::client->attach (	3310	cf::client->attach (
3033	on_destroy => sub {	3311	on_client_destroy => sub {
3034	my ($ns) = @_;	3312	my ($ns) = @_;
3035		3313
3036	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3037	},	3315	},
3038	);	3316	);
…		…
3054	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
3055		3333
3056	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
3057		3335
3058	$safe->permit_only (Opcode::opset qw(	3336	$safe->permit_only (Opcode::opset qw(
3059	:base_core :base_mem :base_orig :base_math	3337	:base_core :base_mem :base_orig :base_math :base_loop
3060	grepstart grepwhile mapstart mapwhile	3338	grepstart grepwhile mapstart mapwhile
3061	sort time	3339	sort time
3062	));	3340	));
3063		3341
3064	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
…		…
3067		3345
3068	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
3069		3347
3070	cf::object	3348	cf::object
3071	contr pay_amount pay_player map x y force_find force_add destroy	3349	contr pay_amount pay_player map x y force_find force_add destroy
3072	insert remove name archname title slaying race decrease_ob_nr	3350	insert remove name archname title slaying race decrease split
		3351	value
3073		3352
3074	cf::object::player	3353	cf::object::player
3075	player	3354	player
3076		3355
3077	cf::player	3356	cf::player
…		…
3082		3361
3083	=cut	3362	=cut
3084		3363
3085	for (	3364	for (
3086	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3087	insert remove inv name archname title slaying race	3366	insert remove inv nrof name archname title slaying race
3088	decrease_ob_nr destroy)],	3367	decrease split destroy change_exp value msg lore send_msg)],
3089	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
3090	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
3091	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
3092	) {	3371	) {
3093	no strict 'refs';
3094	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
3095	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3096	for @funs;	3374	for @funs;
3097	}	3375	}
3098		3376
…		…
3113		3391
3114	my $qcode = $code;	3392	my $qcode = $code;
3115	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3116	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
3117		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
3118	local $_;	3399	local $_;
3119	local @safe::cf::_safe_eval_args = values %vars;
3120		3400
3121	my $eval =	3401	my $eval =
3122	"do {\n"	3402	"do {\n"
3123	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3124	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
3125	. $code	3405	. $code
3126	. "\n}"	3406	. "\n}"
3127	;	3407	;
3128		3408
		3409	if ($CFG{safe_eval}) {
3129	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
3130	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3131	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
3132		3418
3133	if ($@) {	3419	if ($@) {
3134	warn "$@";	3420	warn "$@",
3135	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
3136	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
3137	}	3423	}
3138		3424
3139	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
3140	}	3426	}
3141		3427
…		…
3155	=cut	3441	=cut
3156		3442
3157	sub register_script_function {	3443	sub register_script_function {
3158	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
3159		3445
3160	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
3161	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
3162	}	3448	}
3163		3449
3164	=back	3450	=back
3165		3451
3166	=cut	3452	=cut
…		…
3175	# for this (global event?)	3461	# for this (global event?)
3176	%ext::player_env::MUSIC_FACE_CACHE = ();	3462	%ext::player_env::MUSIC_FACE_CACHE = ();
3177		3463
3178	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3179		3465
3180	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
3181		3467
3182	my $facedata;	3468	my $facedata = decode_storable load_file $path;
3183	0 < aio_load $path, $facedata
3184	or die "$path: $!";
3185
3186	$facedata = Coro::Storable::thaw $facedata;
3187		3469
3188	$facedata->{version} == 2	3470	$facedata->{version} == 2
3189	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
3190		3472
3191	# patch in the exptable	3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3192	$facedata->{resource}{"res/exp_table"} = {	3475	$facedata->{resource}{"res/exp_table"} = {
3193	type => FT_RSRC,	3476	type => FT_RSRC,
3194	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
3195	};	3479	};
3196	cf::cede_to_tick;	3480	cf::cede_to_tick;
3197		3481
3198	{	3482	{
3199	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
…		…
3201	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
3202	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3203		3487
3204	cf::face::set_visibility $idx, $info->{visibility};	3488	cf::face::set_visibility $idx, $info->{visibility};
3205	cf::face::set_magicmap $idx, $info->{magicmap};	3489	cf::face::set_magicmap $idx, $info->{magicmap};
3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3207	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3208		3493
3209	cf::cede_to_tick;	3494	cf::cede_to_tick;
3210	}	3495	}
3211		3496
3212	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
…		…
3217		3502
3218	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
3219	cf::face::set_smooth $idx, $smooth;	3504	cf::face::set_smooth $idx, $smooth;
3220	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3221	} else {	3506	} else {
3222	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
3223	}	3508	}
3224		3509
3225	cf::cede_to_tick;	3510	cf::cede_to_tick;
3226	}	3511	}
3227	}	3512	}
…		…
3236		3521
3237	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
3238	}	3523	}
3239		3524
3240	{	3525	{
3241	# TODO: for gcfclient pleasure, we should give resources
3242	# that gcfclient doesn't grok a >10000 face index.
3243	my $res = $facedata->{resource};	3526	my $res = $facedata->{resource};
3244		3527
3245	while (my ($name, $info) = each %$res) {	3528	while (my ($name, $info) = each %$res) {
3246	if (defined $info->{type}) {	3529	if (defined $info->{type}) {
3247	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3248	my $data;
3249		3531
3250	if ($info->{type} & 1) {	3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3251	# prepend meta info
3252
3253	my $meta = $enc->encode ({
3254	name => $name,
3255	%{ $info->{meta} || {} },
3256	});
3257
3258	$data = pack "(w/a*)*", $meta, $info->{data};
3259	} else {
3260	$data = $info->{data};
3261	}
3262
3263	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3264	cf::face::set_type $idx, $info->{type};	3533	cf::face::set_type $idx, $info->{type};
3265	} else {	3534	} else {
3266	$RESOURCE{$name} = $info;	3535	$RESOURCE{$name} = $info; # unused
3267	}	3536	}
3268		3537
3269	cf::cede_to_tick;	3538	cf::cede_to_tick;
3270	}	3539	}
3271	}	3540	}
3272		3541
3273	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3274		3543
3275	1	3544	1
3276	}	3545	}
3277
3278	cf::global->attach (on_resource_update => sub {
3279	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3280	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3281
3282	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3283	my $sound = $soundconf->{compat}[$_]
3284	or next;
3285
3286	my $face = cf::face::find "sound/$sound->[1]";
3287	cf::sound::set $sound->[0] => $face;
3288	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3289	}
3290
3291	while (my ($k, $v) = each %{$soundconf->{event}}) {
3292	my $face = cf::face::find "sound/$v";
3293	cf::sound::set $k => $face;
3294	}
3295	}
3296	});
3297		3546
3298	register_exticmd fx_want => sub {	3547	register_exticmd fx_want => sub {
3299	my ($ns, $want) = @_;	3548	my ($ns, $want) = @_;
3300		3549
3301	while (my ($k, $v) = each %$want) {	3550	while (my ($k, $v) = each %$want) {
3302	$ns->fx_want ($k, $v);	3551	$ns->fx_want ($k, $v);
3303	}	3552	}
3304	};	3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
3305		3564
3306	sub reload_regions {	3565	sub reload_regions {
3307	# HACK to clear player env face cache, we need some signal framework	3566	# HACK to clear player env face cache, we need some signal framework
3308	# for this (global event?)	3567	# for this (global event?)
3309	%ext::player_env::MUSIC_FACE_CACHE = ();	3568	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3323	}	3582	}
3324		3583
3325	sub reload_archetypes {	3584	sub reload_archetypes {
3326	load_resource_file "$DATADIR/archetypes"	3585	load_resource_file "$DATADIR/archetypes"
3327	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
3328	#d# NEED to laod twice to resolve forward references
3329	# this really needs to be done in an extra post-pass
3330	# (which needs to be synchronous, so solve it differently)
3331	load_resource_file "$DATADIR/archetypes"
3332	or die "unable to load archetypes\n";
3333	}	3587	}
3334		3588
3335	sub reload_treasures {	3589	sub reload_treasures {
3336	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
3337	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
3338	}	3592	}
3339		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
3340	sub reload_resources {	3614	sub reload_resources {
3341	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
3342		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
3343	reload_regions;	3622	reload_regions;
3344	reload_facedata;
3345	#reload_archetypes;#d#
3346	reload_archetypes;
3347	reload_treasures;	3623	reload_treasures;
3348		3624
3349	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
3350	}
3351
3352	sub init {
3353	reload_resources;
3354	}	3626	}
3355		3627
3356	sub reload_config {	3628	sub reload_config {
3357	open my $fh, "<:utf8", "$CONFDIR/config"	3629	trace "reloading config file...\n";
3358	or return;
3359		3630
3360	local $/;	3631	my $config = load_file "$CONFDIR/config";
3361	*CFG = YAML::Load <$fh>;	3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
3362		3634
3363	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3364		3636
3365	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3366	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3367		3639
3368	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
3372	};	3644	};
3373	warn $@ if $@;	3645	warn $@ if $@;
3374	}	3646	}
3375	}	3647	}
3376		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
3377	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
3378	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
3379	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
3380	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3381	(async {	3690	(async {
3382	$Coro::current->{desc} = "IDLE BUG HANDLER";	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
3383	EV::loop EV::LOOP_ONESHOT;	3692	EV::loop EV::LOOP_ONESHOT;
3384	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
3385	};	3694	};
3386		3695
3387	reload_config;
3388	db_init;
3389	load_extensions;
3390
3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3392	evthread_start IO::AIO::poll_fileno;	3696	evthread_start IO::AIO::poll_fileno;
3393	EV::loop;	3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
		3708	reload_config;
		3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
		3719	load_extensions;
		3720
		3721	utime time, time, $RUNTIMEFILE;
		3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
3394	}	3739	}
3395		3740
3396	#############################################################################	3741	#############################################################################
3397	# initialisation and cleanup	3742	# initialisation and cleanup
3398		3743
3399	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
3400	BEGIN {	3745	BEGIN {
3401	our %SIGWATCHER = ();	3746	our %SIGWATCHER = ();
3402	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
3403	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3404	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
3405	};	3750	};
3406	}	3751	}
3407	}	3752	}
3408		3753
3409	sub write_runtime {	3754	sub write_runtime_sync {
3410	my $runtime = "$LOCALDIR/runtime";	3755	my $t0 = AE::time;
3411		3756
3412	# first touch the runtime file to show we are still running:	3757	# first touch the runtime file to show we are still running:
3413	# the fsync below can take a very very long time.	3758	# the fsync below can take a very very long time.
3414		3759
3415	IO::AIO::aio_utime $runtime, undef, undef;	3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3416		3761
3417	my $guard = cf::lock_acquire "write_runtime";	3762	my $guard = cf::lock_acquire "write_runtime";
3418		3763
3419	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3420	or return;	3765	or return;
3421		3766
3422	my $value = $cf::RUNTIME + 90 + 10;	3767	my $value = $cf::RUNTIME + 90 + 10;
3423	# 10 is the runtime save interval, for a monotonic clock	3768	# 10 is the runtime save interval, for a monotonic clock
3424	# 60 allows for the watchdog to kill the server.	3769	# 60 allows for the watchdog to kill the server.
…		…
3434	aio_utime $fh, undef, undef;	3779	aio_utime $fh, undef, undef;
3435		3780
3436	close $fh	3781	close $fh
3437	or return;	3782	or return;
3438		3783
3439	aio_rename "$runtime~", $runtime	3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3440	and return;	3785	and return;
3441		3786
3442	warn "runtime file written.\n";	3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3443		3788
3444	1	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
3445	}	3840	}
3446		3841
3447	sub emergency_save() {	3842	sub emergency_save() {
3448	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
3449		3844
3450	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
3451		3851
3452	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
3453	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
3454	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
3455	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
3456	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
3457	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
3458	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
3459	$pl->valid or next;	3861	$pl->valid or next;
3460	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3461	$pl->save;	3863	$pl->save;
3462	}	3864	}
3463	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
3464		3866
3465	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
3466	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
3467	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
3468	$map->valid or next;	3872	$map->valid or next;
3469	$map->save;	3873	$map->save;
3470	}	3874	}
3471	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
3472		3876
3473	warn "begin emergency database checkpoint\n";	3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
3474	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
3475	warn "end emergency database checkpoint\n";	3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
3476	};	3905	};
3477		3906
3478	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
3479	}	3908	}
3480		3909
3481	sub post_cleanup {	3910	sub post_cleanup {
3482	my ($make_core) = @_;	3911	my ($make_core) = @_;
3483		3912
		3913	IO::AIO::flush;
		3914
3484	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
3485	if $make_core;	3916	if $make_core;
		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
3486	}	3945	}
3487		3946
3488	sub do_reload_perl() {	3947	sub do_reload_perl() {
3489	# can/must only be called in main	3948	# can/must only be called in main
3490	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
3491	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
3492	return;	3951	return;
3493	}	3952	}
3494		3953
3495	warn "reloading...";	3954	return if $RELOAD++;
3496		3955
3497	warn "entering sync_job";	3956	my $t1 = AE::time;
3498		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
3499	cf::sync_job {	3964	cf::sync_job {
3500	cf::write_runtime; # external watchdog should not bark
3501	cf::emergency_save;	3965	#cf::emergency_save;
3502	cf::write_runtime; # external watchdog should not bark
3503		3966
3504	warn "syncing database to disk";
3505	BDB::db_env_txn_checkpoint $DB_ENV;
3506
3507	# if anything goes wrong in here, we should simply crash as we already saved
3508
3509	warn "flushing outstanding aio requests";
3510	for (;;) {
3511	BDB::flush;
3512	IO::AIO::flush;
3513	Coro::cede_notself;
3514	last unless IO::AIO::nreqs || BDB::nreqs;
3515	warn "iterate...";
3516	}
3517
3518	++$RELOAD;
3519
3520	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
3521	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
3522	%EXT_CORO = ();	3969	%EXT_CORO = ();
3523		3970
3524	warn "removing commands";	3971	trace "perl_reload: removing commands";
3525	%COMMAND = ();	3972	%COMMAND = ();
3526		3973
3527	warn "removing ext/exti commands";	3974	trace "perl_reload: removing ext/exti commands";
3528	%EXTCMD = ();	3975	%EXTCMD = ();
3529	%EXTICMD = ();	3976	%EXTICMD = ();
3530		3977
3531	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
3532	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
3533	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
3534		3981
3535	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
3536	eval {	3983	eval {
3537	$cb->($pkg);	3984	$cb->($pkg);
3538	1	3985	1
3539	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
3540	}	3991	}
3541		3992
3542	warn "... nuking $pkg";
3543	Symbol::delete_package $pkg;
3544	}
3545
3546	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3547	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
3548	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3549		3996
3550	warn "... unloading $k";	3997	trace "... unloading $k";
3551	delete $INC{$k};	3998	delete $INC{$k};
3552		3999
3553	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
3554	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
3555		4002
3556	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
3557	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
3558	}	4008	}
3559		4009
3560	Symbol::delete_package $k;
3561	}
3562
3563	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
3564	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
3565	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3566		4013
3567	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
3568	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
3569	delete $INC{"cf/pod.pm"};	4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3570		4017
3571	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
3572	# and global variables created in xs	4019	# and global variables created in xs
3573	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
3574		4021
3575	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
3576		4023
3577	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
3578	require cf;	4025	require cf;
3579	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
3580		4027
3581	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
3582	cf::reload_config;	4029	cf::reload_config;
3583		4030
3584	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
3585	cf::load_extensions;	4032	cf::load_extensions;
3586		4033
		4034	if ($REATTACH_ON_RELOAD) {
3587	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
3588	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
3589	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
3590	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
3591	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
3592	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
3593		4042
3594	warn "leaving sync_job";	4043	cf::_post_init 1;
3595		4044
		4045	trace "perl_reload: leaving sync_job";
		4046
3596	1	4047	1
3597	} or do {	4048	} or do {
3598	warn $@;	4049	error $@;
3599	cf::cleanup "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
		4051	};
		4052
		4053	--$RELOAD;
3600	};	4054	}
3601		4055
3602	warn "reloaded";	4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
3603	};	4058	};
3604		4059
3605	our $RELOAD_WATCHER; # used only during reload	4060	our $RELOAD_WATCHER; # used only during reload
3606		4061
3607	sub reload_perl() {	4062	sub reload_perl() {
3608	# doing reload synchronously and two reloads happen back-to-back,	4063	# doing reload synchronously and two reloads happen back-to-back,
3609	# coro crashes during coro_state_free->destroy here.	4064	# coro crashes during coro_state_free->destroy here.
3610		4065
		4066	$RELOAD_WATCHER ||= cf::async {
		4067	Coro::AIO::aio_wait cache_extensions;
		4068
3611	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3612	do_reload_perl;	4070	do_reload_perl;
3613	undef $RELOAD_WATCHER;	4071	undef $RELOAD_WATCHER;
		4072	};
3614	};	4073	};
3615	}	4074	}
3616		4075
3617	register_command "reload" => sub {	4076	register_command "reload" => sub {
3618	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
…		…
3624	reload_perl;	4083	reload_perl;
3625	};	4084	};
3626	}	4085	}
3627	};	4086	};
3628		4087
3629	unshift @INC, $LIBDIR;	4088	#############################################################################
3630		4089
3631	my $bug_warning = 0;	4090	my $bug_warning = 0;
3632		4091
3633	our @WAIT_FOR_TICK;
3634	our @WAIT_FOR_TICK_BEGIN;
3635
3636	sub wait_for_tick {	4092	sub wait_for_tick() {
3637	return if tick_inhibit;	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3638	return if $Coro::current == $Coro::main;
3639		4094
3640	my $signal = new Coro::Signal;	4095	$WAIT_FOR_TICK->wait;
3641	push @WAIT_FOR_TICK, $signal;
3642	$signal->wait;
3643	}	4096	}
3644		4097
3645	sub wait_for_tick_begin {	4098	sub wait_for_tick_begin() {
3646	return if tick_inhibit;	4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3647	return if $Coro::current == $Coro::main;
3648		4100
3649	my $signal = new Coro::Signal;	4101	my $signal = new Coro::Signal;
3650	push @WAIT_FOR_TICK_BEGIN, $signal;	4102	push @WAIT_FOR_TICK_BEGIN, $signal;
3651	$signal->wait;	4103	$signal->wait;
3652	}	4104	}
…		…
3656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3657	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
3658	return;	4110	return;
3659	}	4111	}
3660		4112
3661	cf::server_tick; # one server iteration	4113	cf::one_tick; # one server iteration
		4114
		4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3662		4116
3663	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3664	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3665	Coro::async_pool {	4119	Coro::async_pool {
3666	$Coro::current->{desc} = "runtime saver";	4120	$Coro::current->{desc} = "runtime saver";
3667	write_runtime	4121	write_runtime_sync
3668	or warn "ERROR: unable to write runtime file: $!";	4122	or error "ERROR: unable to write runtime file: $!";
3669	};	4123	};
3670	}	4124	}
3671		4125
3672	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3673	$sig->send;	4127	$sig->send;
3674	}	4128	}
3675	while (my $sig = shift @WAIT_FOR_TICK) {	4129	$WAIT_FOR_TICK->broadcast;
3676	$sig->send;
3677	}
3678		4130
3679	$LOAD = ($NOW - $TICK_START) / $TICK;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
3680	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3681		4133
3682	if (0) {	4134	if (0) {
3683	if ($NEXT_TICK) {	4135	if ($NEXT_TICK) {
3684	my $jitter = $TICK_START - $NEXT_TICK;	4136	my $jitter = $TICK_START - $NEXT_TICK;
3685	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3686	warn "jitter $JITTER\n";#d#	4138	debug "jitter $JITTER\n";#d#
3687	}	4139	}
3688	}	4140	}
3689	}	4141	}
3690		4142
3691	{	4143	{
3692	# configure BDB	4144	# configure BDB
3693		4145
3694	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
3695	BDB::max_poll_reqs $TICK * 0.1;	4147	BDB::max_poll_reqs $TICK * 0.1;
3696	$Coro::BDB::WATCHER->priority (1);	4148	$AnyEvent::BDB::WATCHER->priority (1);
3697		4149
3698	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
3699	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
3700	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3701	| BDB::LOG_AUTOREMOVE, 1);	4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3702	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3703	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3704		4157
3705	cf::sync_job {	4158	cf::sync_job {
3706	eval {	4159	eval {
…		…
3732	{	4185	{
3733	# configure IO::AIO	4186	# configure IO::AIO
3734		4187
3735	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
3736	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
3737	$Coro::AIO::WATCHER->priority (1);	4190	undef $AnyEvent::AIO::WATCHER;
3738	}	4191	}
3739		4192
3740	my $_log_backtrace;	4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
3741		4195
3742	sub _log_backtrace {	4196	sub _log_backtrace {
3743	my ($msg, @addr) = @_;	4197	my ($msg, @addr) = @_;
3744		4198
3745	$msg =~ s/\n//;	4199	$msg =~ s/\n$//;
3746		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3747	# limit the # of concurrent backtraces	4204	# limit the # of concurrent backtraces
3748	if ($_log_backtrace < 2) {	4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
3749	++$_log_backtrace;	4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
3750	async {	4209	async {
3751	$Coro::current->{desc} = "abt $msg";	4210	$Coro::current->{desc} = "abt $msg";
3752		4211
3753	my @bt = fork_call {	4212	my @bt = fork_call {
3754	@addr = map { sprintf "%x", $_ } @addr;	4213	@addr = map { sprintf "%x", $_ } @addr;
…		…
3765	}	4224	}
3766		4225
3767	@funcs	4226	@funcs
3768	};	4227	};
3769		4228
3770	LOG llevInfo, "[ABT] $msg\n";	4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3771	LOG llevInfo, "[ABT] $_\n" for @bt;	4231	LOG llevInfo, "[ABT] $_\n" for @bt;
3772	--$_log_backtrace;	4232	--$_log_backtrace;
3773	};	4233	};
3774	} else {	4234	} else {
3775	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $msg\n";
3776	LOG llevInfo, "[ABT] [suppressed]\n";	4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3777	}	4237	}
3778	}	4238	}
3779		4239
3780	# load additional modules	4240	# load additional modules
3781	use cf::pod;	4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
3782		4243
3783	END { cf::emergency_save }	4244	END { cf::emergency_save }
3784		4245
3785	1	4246	1
3786		4247

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