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Revision 1.413 by root, Sun Apr 6 16:13:20 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 4.32 ();	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	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
552	}	747	}
553		748
554	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
555		750
556	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
566	within each server.	761	within each server.
567		762
568	=cut	763	=cut
569		764
570	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
571	my ($name) = @_;	769	my ($name) = @_;
572	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
573		771
574	eval {	772	eval {
575	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
585	}	783	}
586		784
587	our $DB;	785	our $DB;
588		786
589	sub db_init {	787	sub db_init {
590	cf::sync_job {
591	$DB ||= db_table "db";	788	$DB ||= db_table "db";
592	};
593	}	789	}
594		790
595	sub db_get($$) {	791	sub db_get($$) {
596	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
597		793
598	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
599	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
600		798
601	$! ? ()	799	$! ? ()
602	: $data	800	: $data
603	}
604	}	801	}
605		802
606	sub db_put($$$) {	803	sub db_put($$$) {
607	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
608	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
636		833
637	my @data;	834	my @data;
638	my $md5;	835	my $md5;
639		836
640	for (0 .. $#$src) {	837	for (0 .. $#$src) {
641	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
642	or Carp::croak "$src->[$_]: $!";
643	}	839	}
644		840
645	# if processing is expensive, check	841	# if processing is expensive, check
646	# checksum first	842	# checksum first
647	if (1) {	843	if (1) {
…		…
664		860
665	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
666	my $data = $process->(\@data);	862	my $data = $process->(\@data);
667	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
668		864
669	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
670		866
671	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
672	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
673	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
674		870
…		…
684		880
685	=cut	881	=cut
686		882
687	sub datalog($@) {	883	sub datalog($@) {
688	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
689	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
690	}	886	}
691		887
692	=back	888	=back
693		889
694	=cut	890	=cut
695		891
696	#############################################################################	892	#############################################################################
697		893
698	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
699		895
700	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
701	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")
702	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
703		899
704	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>
705	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
…		…
755	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
756		952
757	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
758	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
759		955
760	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
761	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.
762		958
763	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
764		960
765	=over 4	961	=over 4
…		…
889		1085
890	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
891	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
892		1088
893	} elsif (ref $type) {	1089	} elsif (ref $type) {
894	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
895		1091
896	} else {	1092	} else {
897	shift @arg;	1093	shift @arg;
898	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
899	}	1095	}
900	}	1096	}
901	}	1097	}
902		1098
903	sub _object_attach {	1099	sub _object_attach {
…		…
913	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
914	}	1110	}
915		1111
916	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
917	} else {	1113	} else {
918	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
919	}	1115	}
920		1116
921	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
922	}	1118	}
923		1119
…		…
982		1178
983	for (@$callbacks) {	1179	for (@$callbacks) {
984	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
985		1181
986	if ($@) {	1182	if ($@) {
987	warn "$@";
988	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
989	override;	1184	override;
990	}	1185	}
991		1186
992	return 1 if $override;	1187	return 1 if $override;
993	}	1188	}
…		…
1056		1251
1057	sub reattach {	1252	sub reattach {
1058	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
1059	my ($obj) = @_;	1254	my ($obj) = @_;
1060		1255
		1256	# no longer needed after getting rid of delete_package?
1061	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
1062		1258
1063	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
1064		1260
1065	@$registry = ();	1261	@$registry = ();
1066		1262
…		…
1071	for (@$attach) {	1267	for (@$attach) {
1072	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
1073	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
1074	}	1270	}
1075	} else {	1271	} else {
1076	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1077	}	1273	}
1078	}	1274	}
1079	}	1275	}
1080		1276
1081	cf::attachable->attach (	1277	cf::attachable->attach (
…		…
1108	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1109		1305
1110	sync_job {	1306	sync_job {
1111	if (length $$rdata) {	1307	if (length $$rdata) {
1112	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1113	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1114	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1115		1312
1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1117	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1119	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	}
1120	close $fh;	1320	aio_close $fh;
1121		1321
1122	if (@$objs) {	1322	if (@$objs) {
1123	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) {
1124	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1126	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1127	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	}
1128	close $fh;	1331	aio_close $fh;
1129	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1130	}	1333	}
1131	} else {	1334	} else {
1132	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1133	}	1336	}
1134		1337
1135	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1136	} else {	1342	} else {
1137	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1138	}	1344	}
1139	} else {	1345	} else {
1140	aio_unlink $filename;	1346	aio_unlink $filename;
1141	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1142	}	1348	}
…		…
1166	my $st = eval { Coro::Storable::thaw $av };	1372	my $st = eval { Coro::Storable::thaw $av };
1167	$av = $st->{objs};	1373	$av = $st->{objs};
1168	}	1374	}
1169		1375
1170	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1171	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1172	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1173		1380
1174	($data, $av)	1381	($data, $av)
1175	}	1382	}
1176		1383
1177	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1233	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1234		1441
1235	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1236	}	1443	}
1237		1444
		1445	use File::Glob ();
		1446
1238	cf::player->attach (	1447	cf::player->attach (
1239	on_command => sub {	1448	on_unknown_command => sub {
1240	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1241		1450
1242	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1243	or return;	1452	or return;
1244		1453
…		…
1267		1476
1268	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1269	if $reply;	1478	if $reply;
1270		1479
1271	} else {	1480	} else {
1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1273	}	1482	}
1274		1483
1275	cf::override;	1484	cf::override;
1276	},	1485	},
1277	);	1486	);
1278		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
1279	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1280	cf::sync_job {	1504	cf::sync_job {
1281	my %todo;	1505	my %todo;
1282		1506
1283	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1284	next unless -r $path;	1508	next unless -r $path;
…		…
1302		1526
1303	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1304	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1305		1529
1306	$ext{source} =	1530	$ext{source} =
1307	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1308	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1309	. $source	1533	. $source
1310	. "\n};\n1";	1534	. "\n};\n1";
1311		1535
1312	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1313	}	1537	}
1314		1538
		1539	my $pass = 0;
1315	my %done;	1540	my %done;
1316	while (%todo) {	1541	while (%todo) {
1317	my $progress;	1542	my $progress;
1318		1543
		1544	++$pass;
		1545
		1546	ext:
1319	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1320	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1321	goto skip	1549	next ext
1322	unless exists $done{$_};	1550	unless exists $done{$_};
1323	}	1551	}
1324		1552
1325	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1326		1554
1327	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1328	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1329	: "$v->{base}: extension inactive.\n";
1330		1559
1331	if (exists $v->{meta}{mandatory}) {
1332	warn $msg;
1333	cf::cleanup "mandatory extension failed to load, exiting.";	1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1334	}	1561	if exists $v->{meta}{mandatory};
1335		1562
1336	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;
1337	}	1572	}
1338
1339	$done{$k} = delete $todo{$k};
1340	push @EXTS, $v->{pkg};
1341	$progress = 1;
1342	}	1573	}
1343		1574
1344	skip:	1575	unless ($progress) {
1345	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1346	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	}
1347	}	1585	}
1348	};	1586	};
1349	}	1587	}
1350		1588
1351	#############################################################################	1589	#############################################################################
1352		1590
1353	=back	1591	=back
1354		1592
1355	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1356		1594
1357	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1358		1596
1359	=cut	1597	=cut
1360		1598
1361	package cf::player;	1599	package cf::player;
1362		1600
…		…
1405		1643
1406	sub exists($) {	1644	sub exists($) {
1407	my ($login) = @_;	1645	my ($login) = @_;
1408		1646
1409	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1410	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1411	}	1649	}
1412		1650
1413	sub find($) {	1651	sub find($) {
1414	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1415	my $login = $_[0];	1653	my $login = $_[0];
…		…
1427	my $f = new_from_file cf::object::thawer path $login	1665	my $f = new_from_file cf::object::thawer path $login
1428	or return;	1666	or return;
1429		1667
1430	my $pl = cf::player::load_pl $f	1668	my $pl = cf::player::load_pl $f
1431	or return;	1669	or return;
		1670
1432	local $cf::PLAYER_LOADING{$login} = $pl;	1671	local $cf::PLAYER_LOADING{$login} = $pl;
1433	$f->resolve_delayed_derefs;	1672	$f->resolve_delayed_derefs;
1434	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1435	}	1674	}
1436	}	1675	}
1437	}	1676	}
1438		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
1439	sub save($) {	1691	sub save($) {
1440	my ($pl) = @_;	1692	my ($pl) = @_;
1441		1693
1442	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
1443		1695
…		…
1446		1698
1447	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1448		1700
1449	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1450	$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];
1451		1708
1452	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1453	cf::cede_to_tick;	1710	cf::cede_to_tick;
1454	}	1711	}
1455		1712
…		…
1487	my ($pl) = @_;	1744	my ($pl) = @_;
1488		1745
1489	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1490		1747
1491	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1492	$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
1493		1750
1494	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1495	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1496	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1497	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1498		1759
1499	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1500	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1501	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1539		1800
1540	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
1541	my $path = path $login;	1802	my $path = path $login;
1542		1803
1543	# a .pst is a dead give-away for a valid player	1804	# a .pst is a dead give-away for a valid player
1544	unless (-e "$path.pst") {	1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1546	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1547	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
1548	}	1810	}
1549		1811
…		…
1553		1815
1554	\@logins	1816	\@logins
1555	}	1817	}
1556		1818
1557	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1558		1822
1559	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1560	player. May block.	1824	player. May block.
1561		1825
1562	=cut	1826	=cut
…		…
1580	}	1844	}
1581		1845
1582	\@paths	1846	\@paths
1583	}	1847	}
1584		1848
1585	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1586		1850
1587	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1588
1589	=cut
1590
1591	use re 'eval';
1592
1593	my $group;
1594	my $interior; $interior = qr{
1595	# match a pod interior sequence sans C<< >>
1596	(?:
1597	\ (.*?)\ (?{ $group = $^N })
1598	| < (??{$interior}) >
1599	)
1600	}x;
1601
1602	sub expand_cfpod {
1603	my ($self, $pod) = @_;
1604
1605	my $xml;
1606
1607	while () {
1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1609	$group = $1;
1610
1611	$group =~ s/&/&amp;/g;
1612	$group =~ s/</&lt;/g;
1613
1614	$xml .= $group;
1615	} elsif ($pod =~ m%\G
1616	([BCGHITU])
1617	<
1618	(?:
1619	([^<>]*) (?{ $group = $^N })
1620	| < $interior >
1621	)
1622	>
1623	%gcsx
1624	) {
1625	my ($code, $data) = ($1, $group);
1626
1627	if ($code eq "B") {
1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1629	} elsif ($code eq "I") {
1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1631	} elsif ($code eq "U") {
1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1633	} elsif ($code eq "C") {
1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1635	} elsif ($code eq "T") {
1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1637	} elsif ($code eq "G") {
1638	my ($male, $female) = split /\|/, $data;
1639	$data = $self->gender ? $female : $male;
1640	$xml .= expand_cfpod ($self, $data);
1641	} elsif ($code eq "H") {
1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1644	"")
1645	[$self->{hintmode}];
1646	} else {
1647	$xml .= "error processing '$code($data)' directive";
1648	}
1649	} else {
1650	if ($pod =~ /\G(.+)/) {
1651	warn "parse error while expanding $pod (at $1)";
1652	}
1653	last;
1654	}
1655	}
1656
1657	for ($xml) {
1658	# create single paragraphs (very hackish)
1659	s/(?<=\S)\n(?=\w)/ /g;
1660
1661	# compress some whitespace
1662	s/\s+\n/\n/g; # ws line-ends
1663	s/\n\n+/\n/g; # double lines
1664	s/^\n+//; # beginning lines
1665	s/\n+$//; # ending lines
1666	}
1667
1668	$xml
1669	}
1670
1671	no re 'eval';
1672
1673	sub hintmode {
1674	$_[0]{hintmode} = $_[1] if @_ > 1;
1675	$_[0]{hintmode}
1676	}
1677		1852
1678	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1679		1854
1680	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1681		1856
…		…
1713		1888
1714	=cut	1889	=cut
1715		1890
1716	sub find_by_path($) {	1891	sub find_by_path($) {
1717	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1718		1895
1719	my ($match, $specificity);	1896	my ($match, $specificity);
1720		1897
1721	for my $region (list) {	1898	for my $region (list) {
1722	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1748	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1749	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1750		1927
1751	sub generate_random_map {	1928	sub generate_random_map {
1752	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1753	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1754	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1755	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1756	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1757	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1758	$rmp->{exit_on_final_map},
1759	$rmp->{xsize}, $rmp->{ysize},
1760	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1761	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1762	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1763	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1764	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1765	(cf::region::find $rmp->{region}), $rmp->{custom}
1766	)
1767	}	1934	}
1768		1935
1769	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1770		1937
1771	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
…		…
1776		1943
1777	sub register {	1944	sub register {
1778	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1779	my $pkg = caller;	1946	my $pkg = caller;
1780		1947
1781	no strict;
1782	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1783		1949
1784	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1785	}	1951	}
1786		1952
1787	# also paths starting with '/'	1953	# also paths starting with '/'
1788	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1789		1955
1790	sub thawer_merge {	1956	sub thawer_merge {
1791	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1792		1958
1793	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1798	}	1964	}
1799		1965
1800	sub normalise {	1966	sub normalise {
1801	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1802		1968
1803	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1804		1970
1805	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1806		1972
1807	# map plan:	1973	# map plan:
1808	#	1974	#
…		…
1823	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1824	$path = "$base/$path";	1990	$path = "$base/$path";
1825	}	1991	}
1826		1992
1827	for ($path) {	1993	for ($path) {
1828	redo if s{//}{/};
1829	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1830	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1831	}	1996	}
1832		1997
1833	$path	1998	$path
…		…
1847	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1848	return $self;	2013	return $self;
1849	}	2014	}
1850	}	2015	}
1851		2016
1852	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1853	()	2018	()
1854	}	2019	}
1855		2020
		2021	# may re-bless or do other evil things
1856	sub init {	2022	sub init {
1857	my ($self) = @_;	2023	my ($self) = @_;
1858		2024
1859	$self	2025	$self
1860	}	2026	}
…		…
1879		2045
1880	# the temporary/swap location	2046	# the temporary/swap location
1881	sub save_path {	2047	sub save_path {
1882	my ($self) = @_;	2048	my ($self) = @_;
1883		2049
1884	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1885	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1886	}	2052	}
1887		2053
1888	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1889	sub uniq_path {	2055	sub uniq_path {
1890	my ($self) = @_;	2056	my ($self) = @_;
1891		2057
1892	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1893	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1894	}
1895
1896	# and all this just because we cannot iterate over
1897	# all maps in C++...
1898	sub change_all_map_light {
1899	my ($change) = @_;
1900
1901	$_->change_map_light ($change)
1902	for grep $_->outdoor, values %cf::MAP;
1903	}	2060	}
1904		2061
1905	sub decay_objects {	2062	sub decay_objects {
1906	my ($self) = @_;	2063	my ($self) = @_;
1907		2064
…		…
1934	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1935		2092
1936	1	2093	1
1937	}	2094	}
1938		2095
		2096	# used to laod the header of an original map
1939	sub load_header_orig {	2097	sub load_header_orig {
1940	my ($self) = @_;	2098	my ($self) = @_;
1941		2099
1942	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1943	}	2101	}
1944		2102
		2103	# used to laod the header of an instantiated map
1945	sub load_header_temp {	2104	sub load_header_temp {
1946	my ($self) = @_;	2105	my ($self) = @_;
1947		2106
1948	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1949	}	2108	}
1950		2109
		2110	# called after loading the header from an instantiated map
1951	sub prepare_temp {	2111	sub prepare_temp {
1952	my ($self) = @_;	2112	my ($self) = @_;
1953		2113
1954	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1955	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1956	# safety	2116	# safety
1957	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1958	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1959	}	2119	}
1960		2120
		2121	# called after loading the header from an original map
1961	sub prepare_orig {	2122	sub prepare_orig {
1962	my ($self) = @_;	2123	my ($self) = @_;
1963		2124
1964	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1965	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1989		2150
1990	sub find;	2151	sub find;
1991	sub find {	2152	sub find {
1992	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1993		2154
		2155	cf::cede_to_tick;
		2156
1994	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1995		2158
1996	cf::lock_wait "map_data:$path";#d#remove	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1997	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1998		2161
1999	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
2000	my $guard1 = cf::lock_acquire "map_find:$path";
2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2002
2003	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
2004	or return;	2164	or return;
2005		2165
2006	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
2007		2167
…		…
2009	or return;	2169	or return;
2010		2170
2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2012	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
2013	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
2014	undef $guard1;	2175	undef $guard1;
2015	undef $guard2;
2016	$map->reset;	2176	$map->reset;
2017	return find $path;	2177	return find $path;
2018	}	2178	}
2019		2179
2020	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
2021	}	2181	}
2022	}	2182	}
2023		2183
2024	sub pre_load { }	2184	sub pre_load { }
2025	sub post_load { }	2185	#sub post_load { } # XS
2026		2186
2027	sub load {	2187	sub load {
2028	my ($self) = @_;	2188	my ($self) = @_;
2029		2189
2030	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2033		2193
2034	{	2194	{
2035	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
2036		2196
2037	return unless $self->valid;	2197	return unless $self->valid;
2038	return unless $self->in_memory == cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
2039
2040	$self->in_memory (cf::MAP_LOADING);
2041		2199
2042	$self->alloc;	2200	$self->alloc;
2043		2201
2044	$self->pre_load;	2202	$self->pre_load;
2045	cf::cede_to_tick;	2203	cf::cede_to_tick;
2046		2204
		2205	if (exists $self->{load_path}) {
2047	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
2048	$f->skip_block;	2207	$f->skip_block;
2049	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
2050	or return;	2209	or return;
2051		2210
2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
2053	if delete $self->{load_original};	2212	if delete $self->{load_original};
2054		2213
2055	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
2056	utf8::encode $uniq;	2215	utf8::encode $uniq;
2057	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
2058	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
2059	$self->clear_unique_items;	2218	$self->clear_unique_items;
2060	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
2061	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
2062	}	2222	}
2063	}	2223	}
2064	}
2065		2224
2066	$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);
2067		2232
2068	cf::cede_to_tick;	2233	cf::cede_to_tick;
2069	# now do the right thing for maps	2234	# now do the right thing for maps
2070	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
2071	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
2075	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
2076	$self->decay_objects;	2241	$self->decay_objects;
2077	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
2078	$self->update_buttons;	2243	$self->update_buttons;
2079	cf::cede_to_tick;	2244	cf::cede_to_tick;
2080	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
2081	cf::cede_to_tick;
2082	$self->activate;
2083	}	2246	}
2084		2247
2085	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
2086	$self->last_access ($cf::RUNTIME);	2249	$self->last_access ($cf::RUNTIME);
2087
2088	$self->in_memory (cf::MAP_IN_MEMORY);
2089	}	2250	}
2090		2251
2091	$self->post_load;	2252	$self->post_load;
2092	}
2093		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
2094	sub customise_for {	2260	sub customise_for {
2095	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
2096		2262
2097	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
2098	if $self->per_player;	2264	if $self->per_player;
…		…
2101	# if $self->per_party;	2267	# if $self->per_party;
2102		2268
2103	$self	2269	$self
2104	}	2270	}
2105		2271
2106	# find and load all maps in the 3x3 area around a map
2107	sub load_neighbours {
2108	my ($map) = @_;
2109
2110	my @neigh; # diagonal neighbours
2111
2112	for (0 .. 3) {
2113	my $neigh = $map->tile_path ($_)
2114	or next;
2115	$neigh = find $neigh, $map
2116	or next;
2117	$neigh->load;
2118
2119	push @neigh,
2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2122	}
2123
2124	for (grep defined $_->[0], @neigh) {
2125	my ($path, $origin) = @$_;
2126	my $neigh = find $path, $origin
2127	or next;
2128	$neigh->load;
2129	}
2130	}
2131
2132	sub find_sync {	2272	sub find_sync {
2133	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
2134		2274
2135	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
2136	}	2280	}
2137		2281
2138	sub do_load_sync {	2282	sub do_load_sync {
2139	my ($map) = @_;	2283	my ($map) = @_;
2140		2284
		2285	# it's a bug to call this from the main context
2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2142	if $Coro::current == $Coro::main;	2287	if $Coro::current == $Coro::main;
2143		2288
2144	cf::sync_job { $map->load };	2289	$map->load;
2145	}	2290	}
2146		2291
2147	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
2148	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
2149		2294
2150	sub find_async {	2295	sub find_async {
2151	my ($path, $origin, $load) = @_;	2296	my ($path, $origin, $load) = @_;
2152		2297
2153	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
2154		2299
2155	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
2157	}	2302	}
2158		2303
2159	$MAP_PREFETCH{$path} |= $load;	2304	$MAP_PREFETCH{$path} |= $load;
2160		2305
2161	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
…		…
2175	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
2176		2321
2177	()	2322	()
2178	}	2323	}
2179		2324
		2325	# common code, used by both ->save and ->swapout
2180	sub save {	2326	sub _save {
2181	my ($self) = @_;	2327	my ($self) = @_;
2182
2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
2184		2328
2185	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
2186		2330
2187	return unless $self->dirty;	2331	return unless $self->dirty;
2188		2332
…		…
2197		2341
2198	cf::async {	2342	cf::async {
2199	$Coro::current->{desc} = "map player save";	2343	$Coro::current->{desc} = "map player save";
2200	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
2201	};	2345	};
		2346
		2347	cf::get_slot 0.02;
2202		2348
2203	if ($uniq) {	2349	if ($uniq) {
2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2205	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2206	} else {	2352	} else {
2207	$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);
2208	}	2354	}
2209	}	2355	}
2210		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
2211	sub swap_out {	2365	sub swap_out {
2212	my ($self) = @_;	2366	my ($self) = @_;
2213		2367
2214	# save first because save cedes
2215	$self->save;
2216
2217	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
2218		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
2219	return if $self->players;	2372	return if $self->players;
2220	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
2221	return if $self->{deny_save};	2390	return 1e99 if $self->{deny_reset};
2222		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
2223	$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};
2224		2424
2225	$self->deactivate;	2425	$self->deactivate;
2226	$_->clear_links_to ($self) for values %cf::MAP;	2426	$_->clear_links_to ($self) for values %cf::MAP;
2227	$self->clear;	2427	$self->clear;
2228	}
2229
2230	sub reset_at {
2231	my ($self) = @_;
2232
2233	# TODO: safety, remove and allow resettable per-player maps
2234	return 1e99 if $self->{deny_reset};
2235
2236	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2237	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2238
2239	$time + $to
2240	}
2241
2242	sub should_reset {
2243	my ($self) = @_;
2244
2245	$self->reset_at <= $cf::RUNTIME
2246	}
2247
2248	sub reset {
2249	my ($self) = @_;
2250
2251	my $lock = cf::lock_acquire "map_data:$self->{path}";
2252
2253	return if $self->players;
2254
2255	warn "resetting map ", $self->path;
2256
2257	$self->in_memory (cf::MAP_SWAPPED);
2258
2259	# need to save uniques path
2260	unless ($self->{deny_save}) {
2261	my $uniq = $self->uniq_path; utf8::encode $uniq;
2262
2263	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2264	if $uniq;
2265	}
2266
2267	delete $cf::MAP{$self->path};
2268
2269	$self->deactivate;
2270	$_->clear_links_to ($self) for values %cf::MAP;
2271	$self->clear;
2272		2428
2273	$self->unlink_save;	2429	$self->unlink_save;
2274	$self->destroy;	2430	$self->destroy;
2275	}	2431	}
2276		2432
…		…
2284		2440
2285	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
2286		2442
2287	$self->unlink_save;	2443	$self->unlink_save;
2288		2444
2289	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
2290	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
2291	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
2292	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2294		2450
…		…
2343		2499
2344	sub unique_maps() {	2500	sub unique_maps() {
2345	[	2501	[
2346	map {	2502	map {
2347	utf8::decode $_;	2503	utf8::decode $_;
2348	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2349	? normalise $_	2507	: normalise $_
2350	: ()
2351	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2352	]	2509	]
2353	}	2510	}
2354		2511
2355	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
2356		2543
2357	=back	2544	=back
2358		2545
2359	=head3 cf::object	2546	=head3 cf::object
2360		2547
…		…
2364		2551
2365	=over 4	2552	=over 4
2366		2553
2367	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2368		2555
2369	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.
2370		2558
2371	=cut	2559	=cut
2372		2560
2373	sub inv_recursive_;	2561	sub inv_recursive_;
2374	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2379	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2380	}	2568	}
2381		2569
2382	=item $ref = $ob->ref	2570	=item $ref = $ob->ref
2383		2571
2384	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.
2385		2573
2386	=item $ob = cf::object::deref ($refstring)	2574	=item $ob = cf::object::deref ($refstring)
2387		2575
2388	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,
2389	even if the object actually exists. May block.	2577	even if the object actually exists. May block.
…		…
2421	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
2422	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2423		2611
2424	=cut	2612	=cut
2425		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
2426	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2427	# with dialog boxes.	2629	# with dialog boxes.
2428	#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
2429	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
2430	my ($self, $npc, $msg, $flags) = @_;	2632	my ($self, $npc, $msg, $flags) = @_;
…		…
2441	my $dialog = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2443		2645
2444	} else {	2646	} else {
2445	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2446	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2447	}	2649	}
2448	}	2650	}
2449	}	2651	}
2450		2652
2451	=item $object->send_msg ($channel, $msg, $color, [extra...])	2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2476		2678
2477	=item $player_object->enter_link	2679	=item $player_object->enter_link
2478		2680
2479	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}>).
2480		2682
2481	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.
2482	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.
2483		2687
2484	Will never block.	2688	Will never block.
2485		2689
2486	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2487		2691
…		…
2507	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2508	my ($self) = @_;	2712	my ($self) = @_;
2509		2713
2510	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2511		2715
		2716	++$self->{_link_recursion};
		2717
2512	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2513		2719
2514	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2515	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2516		2722
2517	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2518	}	2724	}
2519		2725
2520	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2521	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2522		2728
…		…
2539	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2540	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2541		2747
2542	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2543	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2544	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2545		2751
2546	$map->load;	2752	$map->load;
2547	$map->load_neighbours;
2548		2753
2549	return unless $self->contr->active;	2754	return unless $self->contr->active;
2550	$self->activate_recursive;
2551		2755
2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2553	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2554	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2555		2763
		2764	}
		2765
2556	=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)]])
2557		2767
2558	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
2559	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2560	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
2561	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
2562	be called at the end of this process.	2772	be called at the end of this process.
2563		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
2564	=cut	2777	=cut
2565		2778
2566	our $GOTOGEN;	2779	our $GOTOGEN;
2567		2780
2568	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2569	my ($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	}
2570		2789
2571	# 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
2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2573		2792
2574	$self->enter_link;	2793	$self->enter_link;
…		…
2594	($path, $x, $y) = (undef, undef, undef);	2813	($path, $x, $y) = (undef, undef, undef);
2595	}	2814	}
2596	}	2815	}
2597		2816
2598	my $map = eval {	2817	my $map = eval {
2599	my $map = defined $path ? cf::map::find $path : undef;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2600		2819
2601	if ($map) {	2820	if ($map) {
2602	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2603	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2604	} else {	2823	} else {
2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2606	}	2825	}
2607		2826
2608	$map	2827	$map
…		…
2616	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2617	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2618	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2619	}	2838	}
2620		2839
2621	$done->() if $done;	2840	$done->($self) if $done;
2622	})->prio (1);	2841	})->prio (1);
2623	}	2842	}
2624		2843
2625	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2626		2845
…		…
2646	}	2865	}
2647		2866
2648	sub prepare_random_map {	2867	sub prepare_random_map {
2649	my ($exit) = @_;	2868	my ($exit) = @_;
2650		2869
2651	my $guard = cf::lock_acquire "exit_prepare:$exit";
2652
2653	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2654	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2655	# that depends on the exit object	2872	# that depends on the exit object
2656		2873
2657	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2659	if ($exit->map) {	2876	if ($exit->map) {
2660	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2661	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2662	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2663	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2664	}	2883	}
2665		2884
2666	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2667		2886
2668	my $data = cf::encode_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2669	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2670	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2671		2890
2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2673	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2674	undef $fh;	2893	undef $fh;
2675	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2676		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2677	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2678	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2679	}	2902	}
2680	}	2903	}
2681		2904
2682	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2683	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2684		2907
2685	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2686		2909
2687	if ($exit->slaying eq "/!") {
2688	#TODO: this should de-fi-ni-te-ly not be a sync-job
2689	# the problem is that $exit might not survive long enough
2690	# so it needs to be done right now, right here
2691	cf::sync_job { prepare_random_map $exit };
2692	}
2693
2694	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2695	my $hp = $exit->stats->hp;
2696	my $sp = $exit->stats->sp;
2697
2698	$self->enter_link;	2910	$self->enter_link;
2699		2911
2700	# if exit is damned, update players death & WoR home-position
2701	$self->contr->savebed ($slaying, $hp, $sp)
2702	if $exit->flag (FLAG_DAMNED);
2703
2704	(async {	2912	(async {
2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2913	$Coro::current->{desc} = "enter_exit";
2706		2914
2707	$self->deactivate_recursive; # just to be sure
2708	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
2709	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2710		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
2711	1;	2951	1
2712	}) {	2952	}) {
2713	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2714	. "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. "
2715	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2716	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2717		2957
2718	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2719	$self->leave_link;	2959	$self->leave_link;
2720	}	2960	}
2721	})->prio (1);	2961	})->prio (1);
2722	}	2962	}
2723		2963
…		…
2735	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
2736	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
2737		2977
2738	utf8::encode $text;	2978	utf8::encode $text;
2739	$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);
2740	}	3005	}
2741		3006
2742	=item $client->send_msg ($channel, $msg, $color, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2743		3008
2744	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
…		…
2748		3013
2749	=cut	3014	=cut
2750		3015
2751	# non-persistent channels (usually the info channel)	3016	# non-persistent channels (usually the info channel)
2752	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	},
2753	"c/identify" => {	3024	"c/identify" => {
2754	id => "infobox",	3025	id => "infobox",
2755	title => "Identify",	3026	title => "Identify",
2756	reply => undef,	3027	reply => undef,
2757	tooltip => "Items recently identified",	3028	tooltip => "Items recently identified",
…		…
2759	"c/examine" => {	3030	"c/examine" => {
2760	id => "infobox",	3031	id => "infobox",
2761	title => "Examine",	3032	title => "Examine",
2762	reply => undef,	3033	reply => undef,
2763	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",
2764	},	3041	},
2765	"c/book" => {	3042	"c/book" => {
2766	id => "infobox",	3043	id => "infobox",
2767	title => "Book",	3044	title => "Book",
2768	reply => undef,	3045	reply => undef,
…		…
2784	id => "infobox",	3061	id => "infobox",
2785	title => "Body Parts",	3062	title => "Body Parts",
2786	reply => undef,	3063	reply => undef,
2787	tooltip => "Shows which body parts you posess and are available",	3064	tooltip => "Shows which body parts you posess and are available",
2788	},	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	},
2789	"c/uptime" => {	3102	"c/uptime" => {
2790	id => "infobox",	3103	id => "infobox",
2791	title => "Uptime",	3104	title => "Uptime",
2792	reply => undef,	3105	reply => undef,
2793	tooltip => "How long the server has been running since last restart",	3106	tooltip => "How long the server has been running since last restart",
…		…
2796	id => "infobox",	3109	id => "infobox",
2797	title => "Map Info",	3110	title => "Map Info",
2798	reply => undef,	3111	reply => undef,
2799	tooltip => "Information related to the maps",	3112	tooltip => "Information related to the maps",
2800	},	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" => $CHAT_CHANNEL,
2801	);	3128	);
2802		3129
2803	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2804	my ($self, $channel, $msg, $color, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2805		3132
2806	$msg = $self->pl->expand_cfpod ($msg);	3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
2807		3135
2808	$color &= cf::NDI_CLIENT_MASK; # just in case...	3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
2809		3137
2810	# check predefined channels, for the benefit of C	3138	# check predefined channels, for the benefit of C
2811	if ($CHANNEL{$channel}) {	3139	if ($CHANNEL{$channel}) {
2812	$channel = $CHANNEL{$channel};	3140	$channel = $CHANNEL{$channel};
2813		3141
2814	$self->ext_msg (channel_info => $channel)	3142	$self->ext_msg (channel_info => $channel);
2815	if $self->can_msg;
2816
2817	$channel = $channel->{id};	3143	$channel = $channel->{id};
2818		3144
2819	} elsif (ref $channel) {	3145	} elsif (ref $channel) {
2820	# send meta info to client, if not yet sent	3146	# send meta info to client, if not yet sent
2821	unless (exists $self->{channel}{$channel->{id}}) {	3147	unless (exists $self->{channel}{$channel->{id}}) {
2822	$self->{channel}{$channel->{id}} = $channel;	3148	$self->{channel}{$channel->{id}} = $channel;
2823	$self->ext_msg (channel_info => $channel)	3149	$self->ext_msg (channel_info => $channel);
2824	if $self->can_msg;
2825	}	3150	}
2826		3151
2827	$channel = $channel->{id};	3152	$channel = $channel->{id};
2828	}	3153	}
2829		3154
2830	return unless @extra || length $msg;	3155	return unless @extra || length $msg;
2831		3156
2832	if ($self->can_msg) {
2833	# default colour, mask it out	3157	# default colour, mask it out
2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2835	if $color & cf::NDI_DEF;	3159	if $color & cf::NDI_DEF;
2836		3160
2837	$self->send_packet ("msg " . $self->{json_coder}->encode (	3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2839	} else {	3164	);
2840	if ($color >= 0) {
2841	# replace some tags by gcfclient-compatible ones
2842	for ($msg) {
2843	1 while
2844	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2845	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2846	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2847	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2848	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2849	}
2850		3165
2851	$color &= cf::NDI_COLOR_MASK;	3166	$self->send_big_packet ($pkt);
2852
2853	utf8::encode $msg;
2854
2855	if (0 && $msg =~ /\[/) {
2856	# COMMAND/INFO
2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
2858	} else {
2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2860	$self->send_packet ("drawinfo $color $msg")
2861	}
2862	}
2863	}
2864	}	3167	}
2865		3168
2866	=item $client->ext_msg ($type, @msg)	3169	=item $client->ext_msg ($type, @msg)
2867		3170
2868	Sends an ext event to the client.	3171	Sends an ext event to the client.
…		…
2871		3174
2872	sub cf::client::ext_msg($$@) {	3175	sub cf::client::ext_msg($$@) {
2873	my ($self, $type, @msg) = @_;	3176	my ($self, $type, @msg) = @_;
2874		3177
2875	if ($self->extcmd == 2) {	3178	if ($self->extcmd == 2) {
2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2877	} elsif ($self->extcmd == 1) { # TODO: remove	3180	} elsif ($self->extcmd == 1) { # TODO: remove
2878	push @msg, msgtype => "event_$type";	3181	push @msg, msgtype => "event_$type";
2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2880	}	3183	}
2881	}	3184	}
2882		3185
2883	=item $client->ext_reply ($msgid, @msg)	3186	=item $client->ext_reply ($msgid, @msg)
2884		3187
…		…
2888		3191
2889	sub cf::client::ext_reply($$@) {	3192	sub cf::client::ext_reply($$@) {
2890	my ($self, $id, @msg) = @_;	3193	my ($self, $id, @msg) = @_;
2891		3194
2892	if ($self->extcmd == 2) {	3195	if ($self->extcmd == 2) {
2893	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2894	} elsif ($self->extcmd == 1) {	3197	} elsif ($self->extcmd == 1) {
2895	#TODO: version 1, remove	3198	#TODO: version 1, remove
2896	unshift @msg, msgtype => "reply", msgid => $id;	3199	unshift @msg, msgtype => "reply", msgid => $id;
2897	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2898	}	3201	}
2899	}	3202	}
2900		3203
2901	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2902		3205
…		…
2973		3276
2974	$ns->ext_reply ($reply, @reply)	3277	$ns->ext_reply ($reply, @reply)
2975	if $reply;	3278	if $reply;
2976		3279
2977	} else {	3280	} else {
2978	warn "client " . ($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";
2979	}	3282	}
2980		3283
2981	cf::override;	3284	cf::override;
2982	},	3285	},
2983	);	3286	);
…		…
3003		3306
3004	$coro	3307	$coro
3005	}	3308	}
3006		3309
3007	cf::client->attach (	3310	cf::client->attach (
3008	on_destroy => sub {	3311	on_client_destroy => sub {
3009	my ($ns) = @_;	3312	my ($ns) = @_;
3010		3313
3011	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3012	},	3315	},
3013	);	3316	);
…		…
3029	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
3030		3333
3031	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
3032		3335
3033	$safe->permit_only (Opcode::opset qw(	3336	$safe->permit_only (Opcode::opset qw(
3034	:base_core :base_mem :base_orig :base_math	3337	:base_core :base_mem :base_orig :base_math :base_loop
3035	grepstart grepwhile mapstart mapwhile	3338	grepstart grepwhile mapstart mapwhile
3036	sort time	3339	sort time
3037	));	3340	));
3038		3341
3039	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
…		…
3042		3345
3043	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
3044		3347
3045	cf::object	3348	cf::object
3046	contr pay_amount pay_player map x y force_find force_add destroy	3349	contr pay_amount pay_player map x y force_find force_add destroy
3047	insert remove name archname title slaying race decrease_ob_nr	3350	insert remove name archname title slaying race decrease split
		3351	value
3048		3352
3049	cf::object::player	3353	cf::object::player
3050	player	3354	player
3051		3355
3052	cf::player	3356	cf::player
…		…
3057		3361
3058	=cut	3362	=cut
3059		3363
3060	for (	3364	for (
3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3062	insert remove inv name archname title slaying race	3366	insert remove inv nrof name archname title slaying race
3063	decrease_ob_nr destroy)],	3367	decrease split destroy change_exp value msg lore send_msg)],
3064	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
3065	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
3066	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
3067	) {	3371	) {
3068	no strict 'refs';
3069	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
3070	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3071	for @funs;	3374	for @funs;
3072	}	3375	}
3073		3376
…		…
3088		3391
3089	my $qcode = $code;	3392	my $qcode = $code;
3090	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3091	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
3092		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
3093	local $_;	3399	local $_;
3094	local @safe::cf::_safe_eval_args = values %vars;
3095		3400
3096	my $eval =	3401	my $eval =
3097	"do {\n"	3402	"do {\n"
3098	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3099	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
3100	. $code	3405	. $code
3101	. "\n}"	3406	. "\n}"
3102	;	3407	;
3103		3408
		3409	if ($CFG{safe_eval}) {
3104	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
3105	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3106	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
3107		3418
3108	if ($@) {	3419	if ($@) {
3109	warn "$@";	3420	warn "$@",
3110	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
3111	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
3112	}	3423	}
3113		3424
3114	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
3115	}	3426	}
3116		3427
…		…
3130	=cut	3441	=cut
3131		3442
3132	sub register_script_function {	3443	sub register_script_function {
3133	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
3134		3445
3135	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
3136	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
3137	}	3448	}
3138		3449
3139	=back	3450	=back
3140		3451
3141	=cut	3452	=cut
…		…
3150	# for this (global event?)	3461	# for this (global event?)
3151	%ext::player_env::MUSIC_FACE_CACHE = ();	3462	%ext::player_env::MUSIC_FACE_CACHE = ();
3152		3463
3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3154		3465
3155	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
3156		3467
3157	my $facedata;	3468	my $facedata = decode_storable load_file $path;
3158	0 < aio_load $path, $facedata
3159	or die "$path: $!";
3160
3161	$facedata = Coro::Storable::thaw $facedata;
3162		3469
3163	$facedata->{version} == 2	3470	$facedata->{version} == 2
3164	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
3165		3472
3166	# 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]);
3167	$facedata->{resource}{"res/exp_table"} = {	3475	$facedata->{resource}{"res/exp_table"} = {
3168	type => FT_RSRC,	3476	type => FT_RSRC,
3169	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),
3170	};	3479	};
3171	cf::cede_to_tick;	3480	cf::cede_to_tick;
3172		3481
3173	{	3482	{
3174	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
…		…
3176	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3178		3487
3179	cf::face::set_visibility $idx, $info->{visibility};	3488	cf::face::set_visibility $idx, $info->{visibility};
3180	cf::face::set_magicmap $idx, $info->{magicmap};	3489	cf::face::set_magicmap $idx, $info->{magicmap};
3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3182	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} , $info->{glyph} ;
3183		3493
3184	cf::cede_to_tick;	3494	cf::cede_to_tick;
3185	}	3495	}
3186		3496
3187	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
…		…
3192		3502
3193	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
3194	cf::face::set_smooth $idx, $smooth;	3504	cf::face::set_smooth $idx, $smooth;
3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3196	} else {	3506	} else {
3197	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
3198	}	3508	}
3199		3509
3200	cf::cede_to_tick;	3510	cf::cede_to_tick;
3201	}	3511	}
3202	}	3512	}
…		…
3211		3521
3212	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
3213	}	3523	}
3214		3524
3215	{	3525	{
3216	# TODO: for gcfclient pleasure, we should give resources
3217	# that gcfclient doesn't grok a >10000 face index.
3218	my $res = $facedata->{resource};	3526	my $res = $facedata->{resource};
3219		3527
3220	while (my ($name, $info) = each %$res) {	3528	while (my ($name, $info) = each %$res) {
3221	if (defined $info->{type}) {	3529	if (defined $info->{type}) {
3222	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3223	my $data;
3224		3531
3225	if ($info->{type} & 1) {	3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3226	# prepend meta info
3227
3228	my $meta = $enc->encode ({
3229	name => $name,
3230	%{ $info->{meta} || {} },
3231	});
3232
3233	$data = pack "(w/a*)*", $meta, $info->{data};
3234	} else {
3235	$data = $info->{data};
3236	}
3237
3238	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3239	cf::face::set_type $idx, $info->{type};	3533	cf::face::set_type $idx, $info->{type};
3240	} else {	3534	} else {
3241	$RESOURCE{$name} = $info;	3535	$RESOURCE{$name} = $info; # unused
3242	}	3536	}
3243		3537
3244	cf::cede_to_tick;	3538	cf::cede_to_tick;
3245	}	3539	}
3246	}	3540	}
3247		3541
3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3249		3543
3250	1	3544	1
3251	}	3545	}
3252
3253	cf::global->attach (on_resource_update => sub {
3254	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3255	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3256
3257	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3258	my $sound = $soundconf->{compat}[$_]
3259	or next;
3260
3261	my $face = cf::face::find "sound/$sound->[1]";
3262	cf::sound::set $sound->[0] => $face;
3263	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3264	}
3265
3266	while (my ($k, $v) = each %{$soundconf->{event}}) {
3267	my $face = cf::face::find "sound/$v";
3268	cf::sound::set $k => $face;
3269	}
3270	}
3271	});
3272		3546
3273	register_exticmd fx_want => sub {	3547	register_exticmd fx_want => sub {
3274	my ($ns, $want) = @_;	3548	my ($ns, $want) = @_;
3275		3549
3276	while (my ($k, $v) = each %$want) {	3550	while (my ($k, $v) = each %$want) {
3277	$ns->fx_want ($k, $v);	3551	$ns->fx_want ($k, $v);
3278	}	3552	}
3279	};	3553	};
		3554
		3555	sub load_resource_file($) {
		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	$status
		3563	}
3280		3564
3281	sub reload_regions {	3565	sub reload_regions {
3282	# HACK to clear player env face cache, we need some signal framework	3566	# HACK to clear player env face cache, we need some signal framework
3283	# for this (global event?)	3567	# for this (global event?)
3284	%ext::player_env::MUSIC_FACE_CACHE = ();	3568	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3298	}	3582	}
3299		3583
3300	sub reload_archetypes {	3584	sub reload_archetypes {
3301	load_resource_file "$DATADIR/archetypes"	3585	load_resource_file "$DATADIR/archetypes"
3302	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
3303	#d# NEED to laod twice to resolve forward references
3304	# this really needs to be done in an extra post-pass
3305	# (which needs to be synchronous, so solve it differently)
3306	load_resource_file "$DATADIR/archetypes"
3307	or die "unable to load archetypes\n";
3308	}	3587	}
3309		3588
3310	sub reload_treasures {	3589	sub reload_treasures {
3311	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
3312	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
3313	}	3592	}
3314		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
3315	sub reload_resources {	3614	sub reload_resources {
3316	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
3317		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
3318	reload_regions;	3622	reload_regions;
3319	reload_facedata;
3320	#reload_archetypes;#d#
3321	reload_archetypes;
3322	reload_treasures;	3623	reload_treasures;
3323		3624
3324	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
3325	}
3326
3327	sub init {
3328	reload_resources;
3329	}	3626	}
3330		3627
3331	sub reload_config {	3628	sub reload_config {
3332	open my $fh, "<:utf8", "$CONFDIR/config"	3629	trace "reloading config file...\n";
3333	or return;
3334		3630
3335	local $/;	3631	my $config = load_file "$CONFDIR/config";
3336	*CFG = YAML::Load <$fh>;	3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
3337		3634
3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3339		3636
3340	$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};
3341	$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};
3342		3639
3343	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
3347	};	3644	};
3348	warn $@ if $@;	3645	warn $@ if $@;
3349	}	3646	}
3350	}	3647	}
3351		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
3352	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
3353	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
3354	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
3355	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#
3356	(async {	3690	(async {
3357	$Coro::current->{desc} = "IDLE BUG HANDLER";	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
3358	EV::loop EV::LOOP_ONESHOT;	3692	EV::loop EV::LOOP_ONESHOT;
3359	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
3360	};	3694	};
3361		3695
3362	reload_config;
3363	db_init;
3364	load_extensions;
3365
3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3367	evthread_start IO::AIO::poll_fileno;	3696	evthread_start IO::AIO::poll_fileno;
3368	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;
3369	}	3739	}
3370		3740
3371	#############################################################################	3741	#############################################################################
3372	# initialisation and cleanup	3742	# initialisation and cleanup
3373		3743
3374	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
3375	BEGIN {	3745	BEGIN {
3376	our %SIGWATCHER = ();	3746	our %SIGWATCHER = ();
3377	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
3378	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3379	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
3380	};	3750	};
3381	}	3751	}
3382	}	3752	}
3383		3753
3384	sub write_runtime {	3754	sub write_runtime_sync {
3385	my $runtime = "$LOCALDIR/runtime";	3755	my $t0 = AE::time;
3386		3756
3387	# first touch the runtime file to show we are still running:	3757	# first touch the runtime file to show we are still running:
3388	# the fsync below can take a very very long time.	3758	# the fsync below can take a very very long time.
3389		3759
3390	IO::AIO::aio_utime $runtime, undef, undef;	3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3391		3761
3392	my $guard = cf::lock_acquire "write_runtime";	3762	my $guard = cf::lock_acquire "write_runtime";
3393		3763
3394	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3395	or return;	3765	or return;
3396		3766
3397	my $value = $cf::RUNTIME + 90 + 10;	3767	my $value = $cf::RUNTIME + 90 + 10;
3398	# 10 is the runtime save interval, for a monotonic clock	3768	# 10 is the runtime save interval, for a monotonic clock
3399	# 60 allows for the watchdog to kill the server.	3769	# 60 allows for the watchdog to kill the server.
…		…
3409	aio_utime $fh, undef, undef;	3779	aio_utime $fh, undef, undef;
3410		3780
3411	close $fh	3781	close $fh
3412	or return;	3782	or return;
3413		3783
3414	aio_rename "$runtime~", $runtime	3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3415	and return;	3785	and return;
3416		3786
3417	warn "runtime file written.\n";	3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3418		3788
3419	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 };
3420	}	3840	}
3421		3841
3422	sub emergency_save() {	3842	sub emergency_save() {
3423	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
3424		3844
3425	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;
3426		3851
3427	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
3428	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
3429	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
3430	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
3431	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
3432	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
3433	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
3434	$pl->valid or next;	3861	$pl->valid or next;
3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3436	$pl->save;	3863	$pl->save;
3437	}	3864	}
3438	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
3439		3866
3440	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";
3441	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
3442	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
3443	$map->valid or next;	3872	$map->valid or next;
3444	$map->save;	3873	$map->save;
3445	}	3874	}
3446	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
3447		3876
3448	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";
3449	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
3450	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 $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
3451	};	3905	};
3452		3906
3453	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
3454	}	3908	}
3455		3909
3456	sub post_cleanup {	3910	sub post_cleanup {
3457	my ($make_core) = @_;	3911	my ($make_core) = @_;
3458		3912
		3913	IO::AIO::flush;
		3914
3459	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
3460	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	}
3461	}	3945	}
3462		3946
3463	sub do_reload_perl() {	3947	sub do_reload_perl() {
3464	# can/must only be called in main	3948	# can/must only be called in main
3465	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
3466	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
3467	return;	3951	return;
3468	}	3952	}
3469		3953
3470	warn "reloading...";	3954	return if $RELOAD++;
3471		3955
3472	warn "entering sync_job";	3956	my $t1 = AE::time;
3473		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
3474	cf::sync_job {	3964	cf::sync_job {
3475	cf::write_runtime; # external watchdog should not bark
3476	cf::emergency_save;	3965	#cf::emergency_save;
3477	cf::write_runtime; # external watchdog should not bark
3478		3966
3479	warn "syncing database to disk";
3480	BDB::db_env_txn_checkpoint $DB_ENV;
3481
3482	# if anything goes wrong in here, we should simply crash as we already saved
3483
3484	warn "flushing outstanding aio requests";
3485	for (;;) {
3486	BDB::flush;
3487	IO::AIO::flush;
3488	Coro::cede_notself;
3489	last unless IO::AIO::nreqs || BDB::nreqs;
3490	warn "iterate...";
3491	}
3492
3493	++$RELOAD;
3494
3495	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
3496	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
3497	%EXT_CORO = ();	3969	%EXT_CORO = ();
3498		3970
3499	warn "removing commands";	3971	trace "perl_reload: removing commands";
3500	%COMMAND = ();	3972	%COMMAND = ();
3501		3973
3502	warn "removing ext/exti commands";	3974	trace "perl_reload: removing ext/exti commands";
3503	%EXTCMD = ();	3975	%EXTCMD = ();
3504	%EXTICMD = ();	3976	%EXTICMD = ();
3505		3977
3506	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
3507	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
3508	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
3509		3981
3510	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
3511	eval {	3983	eval {
3512	$cb->($pkg);	3984	$cb->($pkg);
3513	1	3985	1
3514	} 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;
3515	}	3991	}
3516		3992
3517	warn "... nuking $pkg";
3518	Symbol::delete_package $pkg;
3519	}
3520
3521	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3522	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
3523	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3524		3996
3525	warn "... unloading $k";	3997	trace "... unloading $k";
3526	delete $INC{$k};	3998	delete $INC{$k};
3527		3999
3528	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
3529	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
3530		4002
3531	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
3532	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
3533	}	4008	}
3534		4009
3535	Symbol::delete_package $k;
3536	}
3537
3538	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
3539	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
3540	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);
3541		4013
3542	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
3543	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
3544	delete $INC{"cf/pod.pm"};	4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3545		4017
3546	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
3547	# and global variables created in xs	4019	# and global variables created in xs
3548	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
3549		4021
3550	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
3551		4023
3552	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
3553	require cf;	4025	require cf;
3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
3555		4027
3556	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
3557	cf::reload_config;	4029	cf::reload_config;
3558		4030
3559	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
3560	cf::load_extensions;	4032	cf::load_extensions;
3561		4033
		4034	if ($REATTACH_ON_RELOAD) {
3562	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
3563	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
3564	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
3565	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
3566	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
3567	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
3568		4042
3569	warn "leaving sync_job";	4043	cf::_post_init 1;
3570		4044
		4045	trace "perl_reload: leaving sync_job";
		4046
3571	1	4047	1
3572	} or do {	4048	} or do {
3573	warn $@;	4049	error $@;
3574	cf::cleanup "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
		4051	};
		4052
		4053	--$RELOAD;
3575	};	4054	}
3576		4055
3577	warn "reloaded";	4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
3578	};	4058	};
3579		4059
3580	our $RELOAD_WATCHER; # used only during reload	4060	our $RELOAD_WATCHER; # used only during reload
3581		4061
3582	sub reload_perl() {	4062	sub reload_perl() {
3583	# doing reload synchronously and two reloads happen back-to-back,	4063	# doing reload synchronously and two reloads happen back-to-back,
3584	# coro crashes during coro_state_free->destroy here.	4064	# coro crashes during coro_state_free->destroy here.
3585		4065
		4066	$RELOAD_WATCHER ||= cf::async {
		4067	Coro::AIO::aio_wait cache_extensions;
		4068
3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3587	do_reload_perl;	4070	do_reload_perl;
3588	undef $RELOAD_WATCHER;	4071	undef $RELOAD_WATCHER;
		4072	};
3589	};	4073	};
3590	}	4074	}
3591		4075
3592	register_command "reload" => sub {	4076	register_command "reload" => sub {
3593	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
…		…
3599	reload_perl;	4083	reload_perl;
3600	};	4084	};
3601	}	4085	}
3602	};	4086	};
3603		4087
3604	unshift @INC, $LIBDIR;	4088	#############################################################################
3605		4089
3606	my $bug_warning = 0;	4090	my $bug_warning = 0;
3607		4091
3608	our @WAIT_FOR_TICK;
3609	our @WAIT_FOR_TICK_BEGIN;
3610
3611	sub wait_for_tick {	4092	sub wait_for_tick() {
3612	return if tick_inhibit;	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3613	return if $Coro::current == $Coro::main;
3614		4094
3615	my $signal = new Coro::Signal;	4095	$WAIT_FOR_TICK->wait;
3616	push @WAIT_FOR_TICK, $signal;
3617	$signal->wait;
3618	}	4096	}
3619		4097
3620	sub wait_for_tick_begin {	4098	sub wait_for_tick_begin() {
3621	return if tick_inhibit;	4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3622	return if $Coro::current == $Coro::main;
3623		4100
3624	my $signal = new Coro::Signal;	4101	my $signal = new Coro::Signal;
3625	push @WAIT_FOR_TICK_BEGIN, $signal;	4102	push @WAIT_FOR_TICK_BEGIN, $signal;
3626	$signal->wait;	4103	$signal->wait;
3627	}	4104	}
…		…
3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3632	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
3633	return;	4110	return;
3634	}	4111	}
3635		4112
3636	cf::server_tick; # one server iteration	4113	cf::one_tick; # one server iteration
		4114
		4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3637		4116
3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3639	$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.;
3640	Coro::async_pool {	4119	Coro::async_pool {
3641	$Coro::current->{desc} = "runtime saver";	4120	$Coro::current->{desc} = "runtime saver";
3642	write_runtime	4121	write_runtime_sync
3643	or warn "ERROR: unable to write runtime file: $!";	4122	or error "ERROR: unable to write runtime file: $!";
3644	};	4123	};
3645	}	4124	}
3646		4125
3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3648	$sig->send;	4127	$sig->send;
3649	}	4128	}
3650	while (my $sig = shift @WAIT_FOR_TICK) {	4129	$WAIT_FOR_TICK->broadcast;
3651	$sig->send;
3652	}
3653		4130
3654	$LOAD = ($NOW - $TICK_START) / $TICK;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3656		4133
3657	if (0) {	4134	if (0) {
3658	if ($NEXT_TICK) {	4135	if ($NEXT_TICK) {
3659	my $jitter = $TICK_START - $NEXT_TICK;	4136	my $jitter = $TICK_START - $NEXT_TICK;
3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3661	warn "jitter $JITTER\n";#d#	4138	debug "jitter $JITTER\n";#d#
3662	}	4139	}
3663	}	4140	}
3664	}	4141	}
3665		4142
3666	{	4143	{
3667	# configure BDB	4144	# configure BDB
3668		4145
3669	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
3670	BDB::max_poll_reqs $TICK * 0.1;	4147	BDB::max_poll_reqs $TICK * 0.1;
3671	$Coro::BDB::WATCHER->priority (1);	4148	$AnyEvent::BDB::WATCHER->priority (1);
3672		4149
3673	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
3674	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3676	| 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;
3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3679		4157
3680	cf::sync_job {	4158	cf::sync_job {
3681	eval {	4159	eval {
…		…
3707	{	4185	{
3708	# configure IO::AIO	4186	# configure IO::AIO
3709		4187
3710	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
3711	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
3712	$Coro::AIO::WATCHER->priority (1);	4190	undef $AnyEvent::AIO::WATCHER;
3713	}	4191	}
3714		4192
3715	my $_log_backtrace;	4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
3716		4195
3717	sub _log_backtrace {	4196	sub _log_backtrace {
3718	my ($msg, @addr) = @_;	4197	my ($msg, @addr) = @_;
3719		4198
3720	$msg =~ s/\n//;	4199	$msg =~ s/\n$//;
3721		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3722	# limit the # of concurrent backtraces	4204	# limit the # of concurrent backtraces
3723	if ($_log_backtrace < 2) {	4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
3724	++$_log_backtrace;	4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
3725	async {	4209	async {
3726	$Coro::current->{desc} = "abt $msg";	4210	$Coro::current->{desc} = "abt $msg";
3727		4211
3728	my @bt = fork_call {	4212	my @bt = fork_call {
3729	@addr = map { sprintf "%x", $_ } @addr;	4213	@addr = map { sprintf "%x", $_ } @addr;
…		…
3740	}	4224	}
3741		4225
3742	@funcs	4226	@funcs
3743	};	4227	};
3744		4228
3745	LOG llevInfo, "[ABT] $msg\n";	4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3746	LOG llevInfo, "[ABT] $_\n" for @bt;	4231	LOG llevInfo, "[ABT] $_\n" for @bt;
3747	--$_log_backtrace;	4232	--$_log_backtrace;
3748	};	4233	};
3749	} else {	4234	} else {
3750	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $msg\n";
3751	LOG llevInfo, "[ABT] [suppressed]\n";	4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3752	}	4237	}
3753	}	4238	}
3754		4239
3755	# load additional modules	4240	# load additional modules
3756	use cf::pod;	4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
3757		4243
3758	END { cf::emergency_save }	4244	END { cf::emergency_save }
3759		4245
3760	1	4246	1
3761		4247

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