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Revision 1.418 by root, Fri Apr 11 21:09:53 2008 UTC vs.
Revision 1.572 by root, Sun May 8 11:44:43 2011 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
18	#	19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV 3.2;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
35		36
		37	use Guard ();
36	use Coro 4.50 ();	38	use Coro ();
37	use Coro::State;	39	use Coro::State;
38	use Coro::Handle;	40	use Coro::Handle;
39	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
40	use Coro::Timer;	43	use Coro::Timer;
41	use Coro::Signal;	44	use Coro::Signal;
42	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
43	use Coro::AIO;	48	use Coro::AIO;
44	use Coro::BDB;	49	use Coro::BDB 1.6;
45	use Coro::Storable;	50	use Coro::Storable;
46	use Coro::Util ();	51	use Coro::Util ();
47		52
48	use JSON::XS 2.01 ();	53	use JSON::XS 2.01 ();
49	use BDB ();	54	use BDB ();
50	use Data::Dumper;	55	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	56	use Fcntl;
53	use YAML ();	57	use YAML::XS ();
54	use IO::AIO 2.51 ();	58	use IO::AIO ();
55	use Time::HiRes;	59	use Time::HiRes;
56	use Compress::LZF;	60	use Compress::LZF;
57	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
58		64
59	# configure various modules to our taste	65	# configure various modules to our taste
60	#	66	#
61	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		75
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		78
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
68		82
69	our %COMMAND = ();	83	our %COMMAND = ();
70	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
71		85
72	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
73	our %EXTCMD = ();	87	our %EXTCMD = ();
74	our %EXTICMD = ();	88	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
77		91
78	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
80		96
81	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
82	our $DATADIR = datadir;	99	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
86	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
92	our %RESOURCE;	113	our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
93		120
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	123	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		125
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	129	our $DB_ENV;
105		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
106	our %CFG;	133	our %CFG;
107		134
108	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
110	our $NOW;	138	our $NOW;
111		139
112	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
113	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
114	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	149	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
123		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
124	binmode STDOUT;	160	binmode STDOUT;
125	binmode STDERR;	161	binmode STDERR;
126		162
127	# read virtual server time, if available	163	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
132	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
133		171
134	mkdir $_	172	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		174
137	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
138		176
139	sub cf::map::normalise;	177	sub cf::map::normalise;
140		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
141	#############################################################################	183	#############################################################################
142		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
143	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
144		197
145	=over 4	198	=over 4
146		199
147	=item $cf::UPTIME	200	=item $cf::UPTIME
148		201
149	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
150		218
151	=item $cf::RUNTIME	219	=item $cf::RUNTIME
152		220
153	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
154	every server tick.	222	every server tick.
…		…
160	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
163	database environment.	231	database environment.
164		232
165	=item $cf::NOW
166
167	The time of the last (current) server tick.
168
169	=item $cf::TICK
170
171	The interval between server ticks, in seconds.
172
173	=item $cf::LOADAVG	233	=item $cf::LOADAVG
174		234
175	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
176	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
177	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
186	from wherever your confdir points to.	246	from wherever your confdir points to.
187		247
188	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
189		249
190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
191	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
194	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
195		272
196	This array contains the results of the last C<invoke ()> call. When	273	This array contains the results of the last C<invoke ()> call. When
197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	275	that call.
199		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
200	=back	283	=back
201		284
202	=cut	285	=cut
203		286
204	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
205	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
206	my $msg = join "", @_;	294	my $msg = join "", @_;
207		295
208	$msg .= "\n"	296	$msg .= "\n"
209	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
210		298
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		300
213	LOG llevError, $msg;	301	LOG llevWarn, $msg;
214	};	302	};
215	}
216		303
217	$Coro::State::DIEHOOK = sub {	304	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	305	return unless $^S eq 0; # "eq", not "=="
219		306
220	if ($Coro::current == $Coro::main) {#d#	307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	310	error "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	311	return;#d#
223	}#d#	312	}#d#
224		313
225	# kill coroutine otherwise	314	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	315	Coro::terminate
228	};	316	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		317
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	328	for my $pkg (qw(
243	cf::global cf::attachable	329	cf::global cf::attachable
244	cf::object cf::object::player	330	cf::object cf::object::player
245	cf::client cf::player	331	cf::client cf::player
246	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
247	cf::map cf::party cf::region	334	cf::party cf::region
248	)) {	335	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	337	}
252		338
253	$EV::DIED = sub {	339	$EV::DIED = sub {
254	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
255	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
256		347
257	#############################################################################	348	#############################################################################
258		349
259	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
260		351
…		…
281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
282	$d	373	$d
283	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
284	}	375	}
285		376
		377	=item $scalar = load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
286	=item $ref = cf::decode_json $json	391	=item $ref = cf::decode_json $json
287		392
288	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
289		394
290	=item $json = cf::encode_json $ref	395	=item $json = cf::encode_json $ref
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		402
298	sub encode_json($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
300		405
		406	=item $ref = cf::decode_storable $scalar
		407
		408	Same as Coro::Storable::thaw, so blocks.
		409
		410	=cut
		411
		412	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		413
		414	=item $ref = cf::decode_yaml $scalar
		415
		416	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		417
		418	=cut
		419
		420	sub decode_yaml($) {
		421	fork_call { YAML::XS::Load $_[0] } @_
		422	}
		423
		424	=item $scalar = cf::unlzf $scalar
		425
		426	Same as Compress::LZF::compress, but takes server ticks into account, so
		427	blocks.
		428
		429	=cut
		430
		431	sub unlzf($) {
		432	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		433	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		434	Compress::LZF::decompress $_[0]
		435	}
		436
		437	=item cf::post_init { BLOCK }
		438
		439	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		440	but I<before> the server starts ticking again.
		441
		442	The codeblock will have a single boolean argument to indicate whether this
		443	is a reload or not.
		444
		445	=cut
		446
		447	sub post_init(&) {
		448	push @POST_INIT, shift;
		449	}
		450
		451	sub _post_init {
		452	trace "running post_init jobs";
		453
		454	# run them in parallel...
		455
		456	my @join;
		457
		458	while () {
		459	push @join, map &Coro::async ($_, 0), @POST_INIT;
		460	@POST_INIT = ();
		461
		462	@join or last;
		463
		464	(pop @join)->join;
		465	}
		466	}
		467
301	=item cf::lock_wait $string	468	=item cf::lock_wait $string
302		469
303	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
304		471
305	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
306		473
307	Wait until the given lock is available and then acquires it and returns	474	Wait until the given lock is available and then acquires it and returns
308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	475	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
310	returned.	477	returned.
311		478
312	Locks are *not* recursive, locking from the same coro twice results in a	479	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	480	deadlocked coro.
…		…
319		486
320	Return true if the lock is currently active, i.e. somebody has locked it.	487	Return true if the lock is currently active, i.e. somebody has locked it.
321		488
322	=cut	489	=cut
323		490
324	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		492
327	sub lock_wait($) {	493	sub lock_wait($) {
328	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	495	}
341		496
342	sub lock_acquire($) {	497	sub lock_acquire($) {
343	my ($key) = @_;	498	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	499	}
357		500
358	sub lock_active($) {	501	sub lock_active($) {
359	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	503	}
363		504
364	sub freeze_mainloop {	505	sub freeze_mainloop {
365	tick_inhibit_inc;	506	tick_inhibit_inc;
366		507
367	Coro::guard \&tick_inhibit_dec;	508	&Guard::guard (\&tick_inhibit_dec);
368	}	509	}
369		510
370	=item cf::periodic $interval, $cb	511	=item cf::periodic $interval, $cb
371		512
372	Like EV::periodic, but randomly selects a starting point so that the actions	513	Like EV::periodic, but randomly selects a starting point so that the actions
373	get spread over timer.	514	get spread over time.
374		515
375	=cut	516	=cut
376		517
377	sub periodic($$) {	518	sub periodic($$) {
378	my ($interval, $cb) = @_;	519	my ($interval, $cb) = @_;
…		…
382	EV::periodic $start, $interval, 0, $cb	523	EV::periodic $start, $interval, 0, $cb
383	}	524	}
384		525
385	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
386		527
387	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
388	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
389	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
390		535
391	The optional C<$name> can be used to identify the job to run. It might be	536	The optional C<$name> can be used to identify the job to run. It might be
392	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
393		538
394	Useful for short background jobs.	539	Useful for short background jobs.
395		540
396	=cut	541	=cut
397		542
398	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
399	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
400		546
401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
403	$Coro::current->desc ("timeslot manager");	549	$Coro::current->desc ("timeslot manager");
404		550
405	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
406		553
407	while () {	554	while () {
408	next_job:	555	next_job:
		556
409	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
410	if ($avail > 0.01) {	558
411	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
412	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
413	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
414	$job->[2]->send;	563	$job->[2]->send;
415	Coro::cede;	564	Coro::cede;
416	goto next_job;	565	goto next_job;
417	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418	}	568	}
419	}	569	}
420		570
421	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
422	# we do not use wait_for_tick() as it returns immediately when tick is inactive	572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
423	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
424	$signal->wait;
425	} else {	574	} else {
		575	$busy = 0;
426	Coro::schedule;	576	Coro::schedule;
427	}	577	}
428	}	578	}
429	};	579	};
430		580
431	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
432	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
433		585
434	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
435	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
436		589
437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
439	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
465	=cut	618	=cut
466		619
467	sub sync_job(&) {	620	sub sync_job(&) {
468	my ($job) = @_;	621	my ($job) = @_;
469		622
470	if ($Coro::current == $Coro::main) {	623	if (in_main) {
471	my $time = EV::time;	624	my $time = AE::time;
472		625
473	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
474	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
475		628
476	LOG llevError, Carp::longmess "sync job";#d#	629	#LOG llevError, Carp::longmess "sync job";#d#
477		630
478	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
479		632
480	my $busy = 1;	633	my $busy = 1;
481	my @res;	634	my @res;
482		635
483	(async {	636	(async {
484	$Coro::current->desc ("sync job coro");	637	$Coro::current->desc ("sync job coro");
485	@res = eval { $job->() };	638	@res = eval { $job->() };
486	warn $@ if $@;	639	error $@ if $@;
487	undef $busy;	640	undef $busy;
488	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
489		642
490	while ($busy) {	643	while ($busy) {
491	if (Coro::nready) {	644	if (Coro::nready) {
…		…
493	} else {	646	} else {
494	EV::loop EV::LOOP_ONESHOT;	647	EV::loop EV::LOOP_ONESHOT;
495	}	648	}
496	}	649	}
497		650
498	my $time = EV::time - $time;	651	my $time = AE::time - $time;
499		652
500	$TICK_START += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
501		654
502	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
503	} else {	656	} else {
…		…
525	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
526		679
527	$coro	680	$coro
528	}	681	}
529		682
530	=item fork_call { }, $args	683	=item fork_call { }, @args
531		684
532	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
533	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
534	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
535	never block itself or use any form of event handling.	688	never block itself or use any form of event handling.
536		689
537	=cut	690	=cut
538		691
		692	sub post_fork {
		693	reset_signals;
		694	}
		695
539	sub fork_call(&@) {	696	sub fork_call(&@) {
540	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
541		698
542	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
543	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
544	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
545		702
546	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
547	reset_signals;	704	cf::post_fork;
548	&$cb	705	&$cb
549	}, @args;	706	} @args;
550		707
551	wantarray ? @res : $res[-1]	708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
		712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
552	}	720	}
553		721
554	=item $coin = coin_from_name $name	722	=item $coin = coin_from_name $name
555		723
556	=cut	724	=cut
…		…
593	within each server.	761	within each server.
594		762
595	=cut	763	=cut
596		764
597	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
598	my ($name) = @_;	769	my ($name) = @_;
599	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
600		771
601	eval {	772	eval {
602	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
612	}	783	}
613		784
614	our $DB;	785	our $DB;
615		786
616	sub db_init {	787	sub db_init {
617	cf::sync_job {
618	$DB ||= db_table "db";	788	$DB ||= db_table "db";
619	};
620	}	789	}
621		790
622	sub db_get($$) {	791	sub db_get($$) {
623	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
624		793
625	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
626	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
627		798
628	$! ? ()	799	$! ? ()
629	: $data	800	: $data
630	}
631	}	801	}
632		802
633	sub db_put($$$) {	803	sub db_put($$$) {
634	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
663		833
664	my @data;	834	my @data;
665	my $md5;	835	my $md5;
666		836
667	for (0 .. $#$src) {	837	for (0 .. $#$src) {
668	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
669	or Carp::croak "$src->[$_]: $!";
670	}	839	}
671		840
672	# if processing is expensive, check	841	# if processing is expensive, check
673	# checksum first	842	# checksum first
674	if (1) {	843	if (1) {
…		…
691		860
692	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
693	my $data = $process->(\@data);	862	my $data = $process->(\@data);
694	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
695		864
696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
697		866
698	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
699	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
700	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
701		870
…		…
711		880
712	=cut	881	=cut
713		882
714	sub datalog($@) {	883	sub datalog($@) {
715	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
716	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
717	}	886	}
718		887
719	=back	888	=back
720		889
721	=cut	890	=cut
722		891
723	#############################################################################	892	#############################################################################
724		893
725	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
726		895
727	Many objects in crossfire are so-called attachable objects. That means you can	896	Many objects in deliantra are so-called attachable objects. That means you can
728	attach callbacks/event handlers (a collection of which is called an "attachment")	897	attach callbacks/event handlers (a collection of which is called an "attachment")
729	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
730		899
731	In the following description, CLASS can be any of C<global>, C<object>	900	In the following description, CLASS can be any of C<global>, C<object>
732	C<player>, C<client> or C<map> (i.e. the attachable objects in	901	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
782	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
783		952
784	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
785	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
786		955
787	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
788	that are attached at load/instantiate time, thus the need for a name.	957	that are attached at load/instantiate time, thus the need for a name.
789		958
790	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
791		960
792	=over 4	961	=over 4
…		…
916		1085
917	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
918	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
919		1088
920	} elsif (ref $type) {	1089	} elsif (ref $type) {
921	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
922		1091
923	} else {	1092	} else {
924	shift @arg;	1093	shift @arg;
925	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
926	}	1095	}
927	}	1096	}
928	}	1097	}
929		1098
930	sub _object_attach {	1099	sub _object_attach {
…		…
940	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
941	}	1110	}
942		1111
943	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
944	} else {	1113	} else {
945	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
946	}	1115	}
947		1116
948	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
949	}	1118	}
950		1119
…		…
1009		1178
1010	for (@$callbacks) {	1179	for (@$callbacks) {
1011	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
1012		1181
1013	if ($@) {	1182	if ($@) {
1014	warn "$@";
1015	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1016	override;	1184	override;
1017	}	1185	}
1018		1186
1019	return 1 if $override;	1187	return 1 if $override;
1020	}	1188	}
…		…
1083		1251
1084	sub reattach {	1252	sub reattach {
1085	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
1086	my ($obj) = @_;	1254	my ($obj) = @_;
1087		1255
		1256	# no longer needed after getting rid of delete_package?
1088	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1257	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1089		1258
1090	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
1091		1260
1092	@$registry = ();	1261	@$registry = ();
1093		1262
…		…
1098	for (@$attach) {	1267	for (@$attach) {
1099	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
1100	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
1101	}	1270	}
1102	} else {	1271	} else {
1103	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1104	}	1273	}
1105	}	1274	}
1106	}	1275	}
1107		1276
1108	cf::attachable->attach (	1277	cf::attachable->attach (
…		…
1135	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1136		1305
1137	sync_job {	1306	sync_job {
1138	if (length $$rdata) {	1307	if (length $$rdata) {
1139	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1140	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1141	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1142		1312
1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1144	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1146	aio_fsync $fh if $cf::USE_FSYNC;	1316	if ($cf::USE_FSYNC) {
		1317	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1318	aio_fsync $fh;
		1319	}
1147	close $fh;	1320	aio_close $fh;
1148		1321
1149	if (@$objs) {	1322	if (@$objs) {
1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1323	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1151	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1153	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1154	aio_fsync $fh if $cf::USE_FSYNC;	1327	if ($cf::USE_FSYNC) {
		1328	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1329	aio_fsync $fh;
		1330	}
1155	close $fh;	1331	aio_close $fh;
1156	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1157	}	1333	}
1158	} else {	1334	} else {
1159	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1160	}	1336	}
1161		1337
1162	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1163	} else {	1342	} else {
1164	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1165	}	1344	}
1166	} else {	1345	} else {
1167	aio_unlink $filename;	1346	aio_unlink $filename;
1168	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1169	}	1348	}
…		…
1193	my $st = eval { Coro::Storable::thaw $av };	1372	my $st = eval { Coro::Storable::thaw $av };
1194	$av = $st->{objs};	1373	$av = $st->{objs};
1195	}	1374	}
1196		1375
1197	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1198	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1199	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1200		1380
1201	($data, $av)	1381	($data, $av)
1202	}	1382	}
1203		1383
1204	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1260	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1261		1441
1262	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1263	}	1443	}
1264		1444
		1445	use File::Glob ();
		1446
1265	cf::player->attach (	1447	cf::player->attach (
1266	on_command => sub {	1448	on_unknown_command => sub {
1267	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1268		1450
1269	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1270	or return;	1452	or return;
1271		1453
…		…
1294		1476
1295	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1296	if $reply;	1478	if $reply;
1297		1479
1298	} else {	1480	} else {
1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1300	}	1482	}
1301		1483
1302	cf::override;	1484	cf::override;
1303	},	1485	},
1304	);	1486	);
1305		1487
		1488	# "readahead" all extensions
		1489	sub cache_extensions {
		1490	my $grp = IO::AIO::aio_group;
		1491
		1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1493	for (grep /\.ext$/, @{$_[0]}) {
		1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1495	}
		1496	};
		1497
		1498	$grp
		1499	}
		1500
1306	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1307	cf::sync_job {	1504	cf::sync_job {
1308	my %todo;	1505	my %todo;
1309		1506
1310	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1311	next unless -r $path;	1508	next unless -r $path;
…		…
1329		1526
1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1332		1529
1333	$ext{source} =	1530	$ext{source} =
1334	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1335	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1336	. $source	1533	. $source
1337	. "\n};\n1";	1534	. "\n};\n1";
1338		1535
1339	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1340	}	1537	}
1341		1538
		1539	my $pass = 0;
1342	my %done;	1540	my %done;
1343	while (%todo) {	1541	while (%todo) {
1344	my $progress;	1542	my $progress;
1345		1543
		1544	++$pass;
		1545
		1546	ext:
1346	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1347	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1348	goto skip	1549	next ext
1349	unless exists $done{$_};	1550	unless exists $done{$_};
1350	}	1551	}
1351		1552
1352	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1353		1554
1354	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1355	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1356	: "$v->{base}: extension inactive.\n";
1357		1559
1358	if (exists $v->{meta}{mandatory}) {
1359	warn $msg;
1360	cf::cleanup "mandatory extension failed to load, exiting.";	1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1361	}	1561	if exists $v->{meta}{mandatory};
1362		1562
1363	warn $msg;	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1564	delete $todo{$k};
		1565	} else {
		1566	$done{$k} = delete $todo{$k};
		1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1364	}	1572	}
1365
1366	$done{$k} = delete $todo{$k};
1367	push @EXTS, $v->{pkg};
1368	$progress = 1;
1369	}	1573	}
1370		1574
1371	skip:	1575	unless ($progress) {
1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1373	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1374	}	1585	}
1375	};	1586	};
1376	}	1587	}
1377		1588
1378	#############################################################################	1589	#############################################################################
1379		1590
1380	=back	1591	=back
1381		1592
1382	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1383		1594
1384	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1385		1596
1386	=cut	1597	=cut
1387		1598
1388	package cf::player;	1599	package cf::player;
1389		1600
…		…
1432		1643
1433	sub exists($) {	1644	sub exists($) {
1434	my ($login) = @_;	1645	my ($login) = @_;
1435		1646
1436	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1437	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1438	}	1649	}
1439		1650
1440	sub find($) {	1651	sub find($) {
1441	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1442	my $login = $_[0];	1653	my $login = $_[0];
…		…
1454	my $f = new_from_file cf::object::thawer path $login	1665	my $f = new_from_file cf::object::thawer path $login
1455	or return;	1666	or return;
1456		1667
1457	my $pl = cf::player::load_pl $f	1668	my $pl = cf::player::load_pl $f
1458	or return;	1669	or return;
		1670
1459	local $cf::PLAYER_LOADING{$login} = $pl;	1671	local $cf::PLAYER_LOADING{$login} = $pl;
1460	$f->resolve_delayed_derefs;	1672	$f->resolve_delayed_derefs;
1461	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1462	}	1674	}
1463	}	1675	}
1464	}	1676	}
1465		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
		1690
1466	sub save($) {	1691	sub save($) {
1467	my ($pl) = @_;	1692	my ($pl) = @_;
1468		1693
1469	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
1470		1695
…		…
1473		1698
1474	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1475		1700
1476	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1477	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1478		1708
1479	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1480	cf::cede_to_tick;	1710	cf::cede_to_tick;
1481	}	1711	}
1482		1712
…		…
1514	my ($pl) = @_;	1744	my ($pl) = @_;
1515		1745
1516	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1517		1747
1518	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1519	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1520		1750
1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1522	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1523	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1524	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1525		1759
1526	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1527	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1528	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1566		1800
1567	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
1568	my $path = path $login;	1802	my $path = path $login;
1569		1803
1570	# a .pst is a dead give-away for a valid player	1804	# a .pst is a dead give-away for a valid player
1571	unless (-e "$path.pst") {	1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1573	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1574	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
1575	}	1810	}
1576		1811
…		…
1580		1815
1581	\@logins	1816	\@logins
1582	}	1817	}
1583		1818
1584	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1585		1822
1586	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1587	player. May block.	1824	player. May block.
1588		1825
1589	=cut	1826	=cut
…		…
1607	}	1844	}
1608		1845
1609	\@paths	1846	\@paths
1610	}	1847	}
1611		1848
1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1613		1850
1614	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1615
1616	=cut
1617
1618	use re 'eval';
1619
1620	my $group;
1621	my $interior; $interior = qr{
1622	# match a pod interior sequence sans C<< >>
1623	(?:
1624	\ (.*?)\ (?{ $group = $^N })
1625	| < (??{$interior}) >
1626	)
1627	}x;
1628
1629	sub expand_cfpod {
1630	my ($self, $pod) = @_;
1631
1632	my $xml;
1633
1634	while () {
1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636	$group = $1;
1637
1638	$group =~ s/&/&amp;/g;
1639	$group =~ s/</&lt;/g;
1640
1641	$xml .= $group;
1642	} elsif ($pod =~ m%\G
1643	([BCGHITU])
1644	<
1645	(?:
1646	([^<>]*) (?{ $group = $^N })
1647	| < $interior >
1648	)
1649	>
1650	%gcsx
1651	) {
1652	my ($code, $data) = ($1, $group);
1653
1654	if ($code eq "B") {
1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656	} elsif ($code eq "I") {
1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658	} elsif ($code eq "U") {
1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660	} elsif ($code eq "C") {
1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662	} elsif ($code eq "T") {
1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664	} elsif ($code eq "G") {
1665	my ($male, $female) = split /\|/, $data;
1666	$data = $self->gender ? $female : $male;
1667	$xml .= expand_cfpod ($self, $data);
1668	} elsif ($code eq "H") {
1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1671	"")
1672	[$self->{hintmode}];
1673	} else {
1674	$xml .= "error processing '$code($data)' directive";
1675	}
1676	} else {
1677	if ($pod =~ /\G(.+)/) {
1678	warn "parse error while expanding $pod (at $1)";
1679	}
1680	last;
1681	}
1682	}
1683
1684	for ($xml) {
1685	# create single paragraphs (very hackish)
1686	s/(?<=\S)\n(?=\w)/ /g;
1687
1688	# compress some whitespace
1689	s/\s+\n/\n/g; # ws line-ends
1690	s/\n\n+/\n/g; # double lines
1691	s/^\n+//; # beginning lines
1692	s/\n+$//; # ending lines
1693	}
1694
1695	$xml
1696	}
1697
1698	no re 'eval';
1699
1700	sub hintmode {
1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1702	$_[0]{hintmode}
1703	}
1704		1852
1705	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1706		1854
1707	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1708		1856
…		…
1740		1888
1741	=cut	1889	=cut
1742		1890
1743	sub find_by_path($) {	1891	sub find_by_path($) {
1744	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1745		1895
1746	my ($match, $specificity);	1896	my ($match, $specificity);
1747		1897
1748	for my $region (list) {	1898	for my $region (list) {
1749	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1778	sub generate_random_map {	1928	sub generate_random_map {
1779	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1780		1930
1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1782		1932
1783	# mit "rum" bekleckern, nicht
1784	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1788	$rmp->{exit_on_final_map},
1789	$rmp->{xsize}, $rmp->{ysize},
1790	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1791	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1792	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1793	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1794	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1795	(cf::region::find $rmp->{region}), $rmp->{custom}
1796	)
1797	}	1934	}
1798		1935
1799	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1800		1937
1801	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
…		…
1806		1943
1807	sub register {	1944	sub register {
1808	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1809	my $pkg = caller;	1946	my $pkg = caller;
1810		1947
1811	no strict;
1812	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1813		1949
1814	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1815	}	1951	}
1816		1952
1817	# also paths starting with '/'	1953	# also paths starting with '/'
1818	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1819		1955
1820	sub thawer_merge {	1956	sub thawer_merge {
1821	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1822		1958
1823	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1828	}	1964	}
1829		1965
1830	sub normalise {	1966	sub normalise {
1831	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1832		1968
1833	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1834		1970
1835	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1836		1972
1837	# map plan:	1973	# map plan:
1838	#	1974	#
…		…
1853	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1854	$path = "$base/$path";	1990	$path = "$base/$path";
1855	}	1991	}
1856		1992
1857	for ($path) {	1993	for ($path) {
1858	redo if s{//}{/};
1859	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1860	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1861	}	1996	}
1862		1997
1863	$path	1998	$path
…		…
1877	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1878	return $self;	2013	return $self;
1879	}	2014	}
1880	}	2015	}
1881		2016
1882	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1883	()	2018	()
1884	}	2019	}
1885		2020
		2021	# may re-bless or do other evil things
1886	sub init {	2022	sub init {
1887	my ($self) = @_;	2023	my ($self) = @_;
1888		2024
1889	$self	2025	$self
1890	}	2026	}
…		…
1909		2045
1910	# the temporary/swap location	2046	# the temporary/swap location
1911	sub save_path {	2047	sub save_path {
1912	my ($self) = @_;	2048	my ($self) = @_;
1913		2049
1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1915	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1916	}	2052	}
1917		2053
1918	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1919	sub uniq_path {	2055	sub uniq_path {
1920	my ($self) = @_;	2056	my ($self) = @_;
1921		2057
1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1923	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1924	}
1925
1926	# and all this just because we cannot iterate over
1927	# all maps in C++...
1928	sub change_all_map_light {
1929	my ($change) = @_;
1930
1931	$_->change_map_light ($change)
1932	for grep $_->outdoor, values %cf::MAP;
1933	}	2060	}
1934		2061
1935	sub decay_objects {	2062	sub decay_objects {
1936	my ($self) = @_;	2063	my ($self) = @_;
1937		2064
…		…
1964	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1965		2092
1966	1	2093	1
1967	}	2094	}
1968		2095
		2096	# used to laod the header of an original map
1969	sub load_header_orig {	2097	sub load_header_orig {
1970	my ($self) = @_;	2098	my ($self) = @_;
1971		2099
1972	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1973	}	2101	}
1974		2102
		2103	# used to laod the header of an instantiated map
1975	sub load_header_temp {	2104	sub load_header_temp {
1976	my ($self) = @_;	2105	my ($self) = @_;
1977		2106
1978	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1979	}	2108	}
1980		2109
		2110	# called after loading the header from an instantiated map
1981	sub prepare_temp {	2111	sub prepare_temp {
1982	my ($self) = @_;	2112	my ($self) = @_;
1983		2113
1984	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1985	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1986	# safety	2116	# safety
1987	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1988	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1989	}	2119	}
1990		2120
		2121	# called after loading the header from an original map
1991	sub prepare_orig {	2122	sub prepare_orig {
1992	my ($self) = @_;	2123	my ($self) = @_;
1993		2124
1994	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1995	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2019		2150
2020	sub find;	2151	sub find;
2021	sub find {	2152	sub find {
2022	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
2023		2154
		2155	cf::cede_to_tick;
		2156
2024	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
2025		2158
2026	cf::lock_wait "map_data:$path";#d#remove	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2027	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
2028		2161
2029	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
2030	my $guard1 = cf::lock_acquire "map_find:$path";
2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2032
2033	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
2034	or return;	2164	or return;
2035		2165
2036	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
2037		2167
…		…
2039	or return;	2169	or return;
2040		2170
2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2042	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
2043	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
2044	undef $guard1;	2175	undef $guard1;
2045	undef $guard2;
2046	$map->reset;	2176	$map->reset;
2047	return find $path;	2177	return find $path;
2048	}	2178	}
2049		2179
2050	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
2051	}	2181	}
2052	}	2182	}
2053		2183
2054	sub pre_load { }	2184	sub pre_load { }
2055	sub post_load { }	2185	#sub post_load { } # XS
2056		2186
2057	sub load {	2187	sub load {
2058	my ($self) = @_;	2188	my ($self) = @_;
2059		2189
2060	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2063		2193
2064	{	2194	{
2065	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
2066		2196
2067	return unless $self->valid;	2197	return unless $self->valid;
2068	return unless $self->in_memory == cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
2069
2070	$self->in_memory (cf::MAP_LOADING);
2071		2199
2072	$self->alloc;	2200	$self->alloc;
2073		2201
2074	$self->pre_load;	2202	$self->pre_load;
2075	cf::cede_to_tick;	2203	cf::cede_to_tick;
2076		2204
		2205	if (exists $self->{load_path}) {
2077	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
2078	$f->skip_block;	2207	$f->skip_block;
2079	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
2080	or return;	2209	or return;
2081		2210
2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
2083	if delete $self->{load_original};	2212	if delete $self->{load_original};
2084		2213
2085	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
2086	utf8::encode $uniq;	2215	utf8::encode $uniq;
2087	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
2088	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
2089	$self->clear_unique_items;	2218	$self->clear_unique_items;
2090	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
2091	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
2092	}	2222	}
2093	}	2223	}
2094	}
2095		2224
2096	$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);
2097		2232
2098	cf::cede_to_tick;	2233	cf::cede_to_tick;
2099	# now do the right thing for maps	2234	# now do the right thing for maps
2100	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
2101	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
2104		2239
2105	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
2106	$self->decay_objects;	2241	$self->decay_objects;
2107	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
2108	$self->update_buttons;	2243	$self->update_buttons;
		2244	$self->post_load_physics;
2109	cf::cede_to_tick;	2245	cf::cede_to_tick;
2110	$self->set_darkness_map;	2246	#$self->activate; # no longer activate maps automatically
2111	cf::cede_to_tick;
2112	$self->activate;
2113	}	2247	}
2114		2248
2115	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
2116	$self->last_access ($cf::RUNTIME);	2250	$self->last_access ($cf::RUNTIME);
2117
2118	$self->in_memory (cf::MAP_IN_MEMORY);
2119	}	2251	}
2120		2252
2121	$self->post_load;	2253	$self->post_load;
2122	}
2123		2254
		2255	1
		2256	}
		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
2124	sub customise_for {	2261	sub customise_for {
2125	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
2126		2263
2127	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
2128	if $self->per_player;	2265	if $self->per_player;
…		…
2144	or next;	2281	or next;
2145	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
2146	or next;	2283	or next;
2147	$neigh->load;	2284	$neigh->load;
2148		2285
		2286	# now find the diagonal neighbours
2149	push @neigh,	2287	push @neigh,
2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2152	}	2290	}
2153		2291
…		…
2160	}	2298	}
2161		2299
2162	sub find_sync {	2300	sub find_sync {
2163	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
2164		2302
2165	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
2166	}	2308	}
2167		2309
2168	sub do_load_sync {	2310	sub do_load_sync {
2169	my ($map) = @_;	2311	my ($map) = @_;
2170		2312
		2313	# it's a bug to call this from the main context
2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2172	if $Coro::current == $Coro::main;	2315	if $Coro::current == $Coro::main;
2173		2316
2174	cf::sync_job { $map->load };	2317	$map->load;
2175	}	2318	}
2176		2319
2177	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
2178	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
2179		2322
2180	sub find_async {	2323	sub find_async {
2181	my ($path, $origin, $load) = @_;	2324	my ($path, $origin, $load) = @_;
2182		2325
2183	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
2184		2327
		2328	print "find async $path (from $origin)\n";#d#
		2329
2185	if (my $map = $cf::MAP{$path}) {	2330	if (my $map = $cf::MAP{$path}) {
2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2331	return $map if !$load || $map->linkable;
2187	}	2332	}
2188		2333
2189	$MAP_PREFETCH{$path} |= $load;	2334	$MAP_PREFETCH{$path} |= $load;
2190		2335
2191	$MAP_PREFETCHER ||= cf::async {	2336	$MAP_PREFETCHER ||= cf::async {
…		…
2205	$MAP_PREFETCHER->prio (6);	2350	$MAP_PREFETCHER->prio (6);
2206		2351
2207	()	2352	()
2208	}	2353	}
2209		2354
		2355	# common code, used by both ->save and ->swapout
2210	sub save {	2356	sub _save {
2211	my ($self) = @_;	2357	my ($self) = @_;
2212
2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
2214		2358
2215	$self->{last_save} = $cf::RUNTIME;	2359	$self->{last_save} = $cf::RUNTIME;
2216		2360
2217	return unless $self->dirty;	2361	return unless $self->dirty;
2218		2362
…		…
2227		2371
2228	cf::async {	2372	cf::async {
2229	$Coro::current->{desc} = "map player save";	2373	$Coro::current->{desc} = "map player save";
2230	$_->contr->save for $self->players;	2374	$_->contr->save for $self->players;
2231	};	2375	};
		2376
		2377	cf::get_slot 0.02;
2232		2378
2233	if ($uniq) {	2379	if ($uniq) {
2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2235	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2381	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2236	} else {	2382	} else {
2237	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2383	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2238	}	2384	}
2239	}	2385	}
2240		2386
		2387	sub save {
		2388	my ($self) = @_;
		2389
		2390	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2391
		2392	$self->_save;
		2393	}
		2394
2241	sub swap_out {	2395	sub swap_out {
2242	my ($self) = @_;	2396	my ($self) = @_;
2243		2397
2244	# save first because save cedes
2245	$self->save;
2246
2247	my $lock = cf::lock_acquire "map_data:$self->{path}";	2398	my $lock = cf::lock_acquire "map_data:$self->{path}";
2248		2399
		2400	return if !$self->linkable;
		2401	return if $self->{deny_save};
2249	return if $self->players;	2402	return if $self->players;
2250	return if $self->in_memory != cf::MAP_IN_MEMORY;	2403
		2404	# first deactivate the map and "unlink" it from the core
		2405	$self->deactivate;
		2406	$_->clear_links_to ($self) for values %cf::MAP;
		2407	$self->state (cf::MAP_SWAPPED);
		2408
		2409	# then atomically save
		2410	$self->_save;
		2411
		2412	# then free the map
		2413	$self->clear;
		2414	}
		2415
		2416	sub reset_at {
		2417	my ($self) = @_;
		2418
		2419	# TODO: safety, remove and allow resettable per-player maps
2251	return if $self->{deny_save};	2420	return 1e99 if $self->{deny_reset};
2252		2421
		2422	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2423	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2424
		2425	$time + $to
		2426	}
		2427
		2428	sub should_reset {
		2429	my ($self) = @_;
		2430
		2431	$self->reset_at <= $cf::RUNTIME
		2432	}
		2433
		2434	sub reset {
		2435	my ($self) = @_;
		2436
		2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2438
		2439	return if $self->players;
		2440
		2441	cf::trace "resetting map ", $self->path, "\n";
		2442
2253	$self->in_memory (cf::MAP_SWAPPED);	2443	$self->state (cf::MAP_SWAPPED);
		2444
		2445	# need to save uniques path
		2446	unless ($self->{deny_save}) {
		2447	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2448
		2449	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2450	if $uniq;
		2451	}
		2452
		2453	delete $cf::MAP{$self->path};
2254		2454
2255	$self->deactivate;	2455	$self->deactivate;
2256	$_->clear_links_to ($self) for values %cf::MAP;	2456	$_->clear_links_to ($self) for values %cf::MAP;
2257	$self->clear;	2457	$self->clear;
2258	}
2259
2260	sub reset_at {
2261	my ($self) = @_;
2262
2263	# TODO: safety, remove and allow resettable per-player maps
2264	return 1e99 if $self->{deny_reset};
2265
2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2268
2269	$time + $to
2270	}
2271
2272	sub should_reset {
2273	my ($self) = @_;
2274
2275	$self->reset_at <= $cf::RUNTIME
2276	}
2277
2278	sub reset {
2279	my ($self) = @_;
2280
2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
2282
2283	return if $self->players;
2284
2285	warn "resetting map ", $self->path;
2286
2287	$self->in_memory (cf::MAP_SWAPPED);
2288
2289	# need to save uniques path
2290	unless ($self->{deny_save}) {
2291	my $uniq = $self->uniq_path; utf8::encode $uniq;
2292
2293	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2294	if $uniq;
2295	}
2296
2297	delete $cf::MAP{$self->path};
2298
2299	$self->deactivate;
2300	$_->clear_links_to ($self) for values %cf::MAP;
2301	$self->clear;
2302		2458
2303	$self->unlink_save;	2459	$self->unlink_save;
2304	$self->destroy;	2460	$self->destroy;
2305	}	2461	}
2306		2462
…		…
2314		2470
2315	delete $cf::MAP{$self->path};	2471	delete $cf::MAP{$self->path};
2316		2472
2317	$self->unlink_save;	2473	$self->unlink_save;
2318		2474
2319	bless $self, "cf::map";	2475	bless $self, "cf::map::wrap";
2320	delete $self->{deny_reset};	2476	delete $self->{deny_reset};
2321	$self->{deny_save} = 1;	2477	$self->{deny_save} = 1;
2322	$self->reset_timeout (1);	2478	$self->reset_timeout (1);
2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2479	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2324		2480
…		…
2373		2529
2374	sub unique_maps() {	2530	sub unique_maps() {
2375	[	2531	[
2376	map {	2532	map {
2377	utf8::decode $_;	2533	utf8::decode $_;
2378	/\.map$/	2534	s/\.map$//; # TODO future compatibility hack
		2535	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2536	? ()
2379	? normalise $_	2537	: normalise $_
2380	: ()
2381	} @{ aio_readdir $UNIQUEDIR or [] }	2538	} @{ aio_readdir $UNIQUEDIR or [] }
2382	]	2539	]
2383	}	2540	}
2384		2541
		2542	=item cf::map::static_maps
		2543
		2544	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2545	file in the shared directory excluding F</styles> and F</editor>). May
		2546	block.
		2547
		2548	=cut
		2549
		2550	sub static_maps() {
		2551	my @dirs = "";
		2552	my @maps;
		2553
		2554	while (@dirs) {
		2555	my $dir = shift @dirs;
		2556
		2557	next if $dir eq "/styles" || $dir eq "/editor";
		2558
		2559	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2560	or return;
		2561
		2562	for (@$files) {
		2563	s/\.map$// or next;
		2564	utf8::decode $_;
		2565	push @maps, "$dir/$_";
		2566	}
		2567
		2568	push @dirs, map "$dir/$_", @$dirs;
		2569	}
		2570
		2571	\@maps
		2572	}
		2573
2385	=back	2574	=back
2386		2575
2387	=head3 cf::object	2576	=head3 cf::object
2388		2577
2389	=cut	2578	=cut
…		…
2392		2581
2393	=over 4	2582	=over 4
2394		2583
2395	=item $ob->inv_recursive	2584	=item $ob->inv_recursive
2396		2585
2397	Returns the inventory of the object _and_ their inventories, recursively.	2586	Returns the inventory of the object I<and> their inventories, recursively,
		2587	but I<not> the object itself.
2398		2588
2399	=cut	2589	=cut
2400		2590
2401	sub inv_recursive_;	2591	sub inv_recursive_;
2402	sub inv_recursive_ {	2592	sub inv_recursive_ {
…		…
2407	inv_recursive_ inv $_[0]	2597	inv_recursive_ inv $_[0]
2408	}	2598	}
2409		2599
2410	=item $ref = $ob->ref	2600	=item $ref = $ob->ref
2411		2601
2412	creates and returns a persistent reference to an objetc that can be stored as a string.	2602	Creates and returns a persistent reference to an object that can be stored as a string.
2413		2603
2414	=item $ob = cf::object::deref ($refstring)	2604	=item $ob = cf::object::deref ($refstring)
2415		2605
2416	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2606	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2417	even if the object actually exists. May block.	2607	even if the object actually exists. May block.
…		…
2449	can be C<undef>. Does the right thing when the player is currently in a	2639	can be C<undef>. Does the right thing when the player is currently in a
2450	dialogue with the given NPC character.	2640	dialogue with the given NPC character.
2451		2641
2452	=cut	2642	=cut
2453		2643
		2644	our $SAY_CHANNEL = {
		2645	id => "say",
		2646	title => "Map",
		2647	reply => "say ",
		2648	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2649	};
		2650
		2651	our $CHAT_CHANNEL = {
		2652	id => "chat",
		2653	title => "Chat",
		2654	reply => "chat ",
		2655	tooltip => "Player chat and shouts, global to the server.",
		2656	};
		2657
2454	# rough implementation of a future "reply" method that works	2658	# rough implementation of a future "reply" method that works
2455	# with dialog boxes.	2659	# with dialog boxes.
2456	#TODO: the first argument must go, split into a $npc->reply_to ( method	2660	#TODO: the first argument must go, split into a $npc->reply_to ( method
2457	sub cf::object::player::reply($$$;$) {	2661	sub cf::object::player::reply($$$;$) {
2458	my ($self, $npc, $msg, $flags) = @_;	2662	my ($self, $npc, $msg, $flags) = @_;
…		…
2469	my $dialog = $pl->{npc_dialog};	2673	my $dialog = $pl->{npc_dialog};
2470	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2674	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2471		2675
2472	} else {	2676	} else {
2473	$msg = $npc->name . " says: $msg" if $npc;	2677	$msg = $npc->name . " says: $msg" if $npc;
2474	$self->message ($msg, $flags);	2678	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2475	}	2679	}
2476	}	2680	}
2477	}	2681	}
2478		2682
2479	=item $object->send_msg ($channel, $msg, $color, [extra...])	2683	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2504		2708
2505	=item $player_object->enter_link	2709	=item $player_object->enter_link
2506		2710
2507	Freezes the player and moves him/her to a special map (C<{link}>).	2711	Freezes the player and moves him/her to a special map (C<{link}>).
2508		2712
2509	The player should be reasonably safe there for short amounts of time. You	2713	The player should be reasonably safe there for short amounts of time (e.g.
2510	I<MUST> call C<leave_link> as soon as possible, though.	2714	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2715	though, as the player cannot control the character while it is on the link
		2716	map.
2511		2717
2512	Will never block.	2718	Will never block.
2513		2719
2514	=item $player_object->leave_link ($map, $x, $y)	2720	=item $player_object->leave_link ($map, $x, $y)
2515		2721
…		…
2535	sub cf::object::player::enter_link {	2741	sub cf::object::player::enter_link {
2536	my ($self) = @_;	2742	my ($self) = @_;
2537		2743
2538	$self->deactivate_recursive;	2744	$self->deactivate_recursive;
2539		2745
		2746	++$self->{_link_recursion};
		2747
2540	return if UNIVERSAL::isa $self->map, "ext::map_link";	2748	return if UNIVERSAL::isa $self->map, "ext::map_link";
2541		2749
2542	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2543	if $self->map && $self->map->{path} ne "{link}";	2751	if $self->map && $self->map->{path} ne "{link}";
2544		2752
2545	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2753	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2546	}	2754	}
2547		2755
2548	sub cf::object::player::leave_link {	2756	sub cf::object::player::leave_link {
2549	my ($self, $map, $x, $y) = @_;	2757	my ($self, $map, $x, $y) = @_;
2550		2758
…		…
2567	($x, $y) = (-1, -1)	2775	($x, $y) = (-1, -1)
2568	unless (defined $x) && (defined $y);	2776	unless (defined $x) && (defined $y);
2569		2777
2570	# use -1 or undef as default coordinates, not 0, 0	2778	# use -1 or undef as default coordinates, not 0, 0
2571	($x, $y) = ($map->enter_x, $map->enter_y)	2779	($x, $y) = ($map->enter_x, $map->enter_y)
2572	if $x <=0 && $y <= 0;	2780	if $x <= 0 && $y <= 0;
2573		2781
2574	$map->load;	2782	$map->load;
2575	$map->load_neighbours;	2783	$map->load_neighbours;
2576		2784
2577	return unless $self->contr->active;	2785	return unless $self->contr->active;
2578	$self->activate_recursive;
2579		2786
2580	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2787	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2581	$self->enter_map ($map, $x, $y);	2788	if ($self->enter_map ($map, $x, $y)) {
2582	}	2789	# entering was successful
		2790	delete $self->{_link_recursion};
		2791	# only activate afterwards, to support waiting in hooks
		2792	$self->activate_recursive;
		2793	}
2583		2794
		2795	}
		2796
2584	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2797	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2585		2798
2586	Moves the player to the given map-path and coordinates by first freezing	2799	Moves the player to the given map-path and coordinates by first freezing
2587	her, loading and preparing them map, calling the provided $check callback	2800	her, loading and preparing them map, calling the provided $check callback
2588	that has to return the map if sucecssful, and then unfreezes the player on	2801	that has to return the map if sucecssful, and then unfreezes the player on
2589	the new (success) or old (failed) map position. In either case, $done will	2802	the new (success) or old (failed) map position. In either case, $done will
2590	be called at the end of this process.	2803	be called at the end of this process.
2591		2804
		2805	Note that $check will be called with a potentially non-loaded map, so if
		2806	it needs a loaded map it has to call C<< ->load >>.
		2807
2592	=cut	2808	=cut
2593		2809
2594	our $GOTOGEN;	2810	our $GOTOGEN;
2595		2811
2596	sub cf::object::player::goto {	2812	sub cf::object::player::goto {
2597	my ($self, $path, $x, $y, $check, $done) = @_;	2813	my ($self, $path, $x, $y, $check, $done) = @_;
		2814
		2815	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2816	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2817	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2818	($path, $x, $y) = @$EMERGENCY_POSITION;
		2819	}
2598		2820
2599	# do generation counting so two concurrent goto's will be executed in-order	2821	# do generation counting so two concurrent goto's will be executed in-order
2600	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2822	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2601		2823
2602	$self->enter_link;	2824	$self->enter_link;
…		…
2622	($path, $x, $y) = (undef, undef, undef);	2844	($path, $x, $y) = (undef, undef, undef);
2623	}	2845	}
2624	}	2846	}
2625		2847
2626	my $map = eval {	2848	my $map = eval {
2627	my $map = defined $path ? cf::map::find $path : undef;	2849	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2628		2850
2629	if ($map) {	2851	if ($map) {
2630	$map = $map->customise_for ($self);	2852	$map = $map->customise_for ($self);
2631	$map = $check->($map) if $check && $map;	2853	$map = $check->($map, $x, $y, $self) if $check && $map;
2632	} else {	2854	} else {
2633	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2855	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2634	}	2856	}
2635		2857
2636	$map	2858	$map
…		…
2644	if ($gen == $self->{_goto_generation}) {	2866	if ($gen == $self->{_goto_generation}) {
2645	delete $self->{_goto_generation};	2867	delete $self->{_goto_generation};
2646	$self->leave_link ($map, $x, $y);	2868	$self->leave_link ($map, $x, $y);
2647	}	2869	}
2648		2870
2649	$done->() if $done;	2871	$done->($self) if $done;
2650	})->prio (1);	2872	})->prio (1);
2651	}	2873	}
2652		2874
2653	=item $player_object->enter_exit ($exit_object)	2875	=item $player_object->enter_exit ($exit_object)
2654		2876
…		…
2674	}	2896	}
2675		2897
2676	sub prepare_random_map {	2898	sub prepare_random_map {
2677	my ($exit) = @_;	2899	my ($exit) = @_;
2678		2900
2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
2680
2681	# all this does is basically replace the /! path by	2901	# all this does is basically replace the /! path by
2682	# a new random map path (?random/...) with a seed	2902	# a new random map path (?random/...) with a seed
2683	# that depends on the exit object	2903	# that depends on the exit object
2684		2904
2685	my $rmp = parse_random_map_params $exit->msg;	2905	my $rmp = parse_random_map_params $exit->msg;
…		…
2687	if ($exit->map) {	2907	if ($exit->map) {
2688	$rmp->{region} = $exit->region->name;	2908	$rmp->{region} = $exit->region->name;
2689	$rmp->{origin_map} = $exit->map->path;	2909	$rmp->{origin_map} = $exit->map->path;
2690	$rmp->{origin_x} = $exit->x;	2910	$rmp->{origin_x} = $exit->x;
2691	$rmp->{origin_y} = $exit->y;	2911	$rmp->{origin_y} = $exit->y;
		2912
		2913	$exit->map->touch;
2692	}	2914	}
2693		2915
2694	$rmp->{random_seed} ||= $exit->random_seed;	2916	$rmp->{random_seed} ||= $exit->random_seed;
2695		2917
2696	my $data = cf::encode_json $rmp;	2918	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2697	my $md5 = Digest::MD5::md5_hex $data;	2919	my $md5 = Digest::MD5::md5_hex $data;
2698	my $meta = "$RANDOMDIR/$md5.meta";	2920	my $meta = "$RANDOMDIR/$md5.meta";
2699		2921
2700	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2922	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2701	aio_write $fh, 0, (length $data), $data, 0;	2923	aio_write $fh, 0, (length $data), $data, 0;
2702	undef $fh;	2924	undef $fh;
2703	aio_rename "$meta~", $meta;	2925	aio_rename "$meta~", $meta;
2704		2926
		2927	my $slaying = "?random/$md5";
		2928
		2929	if ($exit->valid) {
2705	$exit->slaying ("?random/$md5");	2930	$exit->slaying ("?random/$md5");
2706	$exit->msg (undef);	2931	$exit->msg (undef);
		2932	}
2707	}	2933	}
2708	}	2934	}
2709		2935
2710	sub cf::object::player::enter_exit {	2936	sub cf::object::player::enter_exit {
2711	my ($self, $exit) = @_;	2937	my ($self, $exit) = @_;
2712		2938
2713	return unless $self->type == cf::PLAYER;	2939	return unless $self->type == cf::PLAYER;
2714		2940
2715	if ($exit->slaying eq "/!") {
2716	#TODO: this should de-fi-ni-te-ly not be a sync-job
2717	# the problem is that $exit might not survive long enough
2718	# so it needs to be done right now, right here
2719	cf::sync_job { prepare_random_map $exit };
2720	}
2721
2722	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2723	my $hp = $exit->stats->hp;
2724	my $sp = $exit->stats->sp;
2725
2726	$self->enter_link;	2941	$self->enter_link;
2727		2942
2728	# if exit is damned, update players death & WoR home-position
2729	$self->contr->savebed ($slaying, $hp, $sp)
2730	if $exit->flag (FLAG_DAMNED);
2731
2732	(async {	2943	(async {
2733	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2944	$Coro::current->{desc} = "enter_exit";
2734		2945
2735	$self->deactivate_recursive; # just to be sure
2736	unless (eval {	2946	unless (eval {
		2947	$self->deactivate_recursive; # just to be sure
		2948
		2949	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2950	my $x = $exit->stats->hp;
		2951	my $y = $exit->stats->sp;
		2952
		2953	# special map handling
		2954	my $slaying = $exit->slaying;
		2955
		2956	# special map handling
		2957	if ($slaying eq "/!") {
		2958	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2959
		2960	prepare_random_map $exit
		2961	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2962
		2963	$map = $exit->slaying;
		2964
		2965	} elsif ($slaying eq '!up') {
		2966	$map = $exit->map->tile_path (cf::TILE_UP);
		2967	$x = $exit->x;
		2968	$y = $exit->y;
		2969
		2970	} elsif ($slaying eq '!down') {
		2971	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2972	$x = $exit->x;
		2973	$y = $exit->y;
		2974	}
		2975
2737	$self->goto ($slaying, $hp, $sp);	2976	$self->goto ($map, $x, $y);
2738		2977
		2978	# if exit is damned, update players death & WoR home-position
		2979	$self->contr->savebed ($map, $x, $y)
		2980	if $exit->flag (cf::FLAG_DAMNED);
		2981
2739	1;	2982	1
2740	}) {	2983	}) {
2741	$self->message ("Something went wrong deep within the crossfire server. "	2984	$self->message ("Something went wrong deep within the deliantra server. "
2742	. "I'll try to bring you back to the map you were before. "	2985	. "I'll try to bring you back to the map you were before. "
2743	. "Please report this to the dungeon master!",	2986	. "Please report this to the dungeon master!",
2744	cf::NDI_UNIQUE | cf::NDI_RED);	2987	cf::NDI_UNIQUE | cf::NDI_RED);
2745		2988
2746	warn "ERROR in enter_exit: $@";	2989	error "ERROR in enter_exit: $@";
2747	$self->leave_link;	2990	$self->leave_link;
2748	}	2991	}
2749	})->prio (1);	2992	})->prio (1);
2750	}	2993	}
2751		2994
…		…
2763	sub cf::client::send_drawinfo {	3006	sub cf::client::send_drawinfo {
2764	my ($self, $text, $flags) = @_;	3007	my ($self, $text, $flags) = @_;
2765		3008
2766	utf8::encode $text;	3009	utf8::encode $text;
2767	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3010	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3011	}
		3012
		3013	=item $client->send_big_packet ($pkt)
		3014
		3015	Like C<send_packet>, but tries to compress large packets, and fragments
		3016	them as required.
		3017
		3018	=cut
		3019
		3020	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3021
		3022	sub cf::client::send_big_packet {
		3023	my ($self, $pkt) = @_;
		3024
		3025	# try lzf for large packets
		3026	$pkt = "lzf " . Compress::LZF::compress $pkt
		3027	if 1024 <= length $pkt and $self->{can_lzf};
		3028
		3029	# split very large packets
		3030	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3031	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3032	$pkt = "frag";
		3033	}
		3034
		3035	$self->send_packet ($pkt);
2768	}	3036	}
2769		3037
2770	=item $client->send_msg ($channel, $msg, $color, [extra...])	3038	=item $client->send_msg ($channel, $msg, $color, [extra...])
2771		3039
2772	Send a drawinfo or msg packet to the client, formatting the msg for the	3040	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2776		3044
2777	=cut	3045	=cut
2778		3046
2779	# non-persistent channels (usually the info channel)	3047	# non-persistent channels (usually the info channel)
2780	our %CHANNEL = (	3048	our %CHANNEL = (
		3049	"c/motd" => {
		3050	id => "infobox",
		3051	title => "MOTD",
		3052	reply => undef,
		3053	tooltip => "The message of the day",
		3054	},
2781	"c/identify" => {	3055	"c/identify" => {
2782	id => "infobox",	3056	id => "infobox",
2783	title => "Identify",	3057	title => "Identify",
2784	reply => undef,	3058	reply => undef,
2785	tooltip => "Items recently identified",	3059	tooltip => "Items recently identified",
…		…
2787	"c/examine" => {	3061	"c/examine" => {
2788	id => "infobox",	3062	id => "infobox",
2789	title => "Examine",	3063	title => "Examine",
2790	reply => undef,	3064	reply => undef,
2791	tooltip => "Signs and other items you examined",	3065	tooltip => "Signs and other items you examined",
		3066	},
		3067	"c/shopinfo" => {
		3068	id => "infobox",
		3069	title => "Shop Info",
		3070	reply => undef,
		3071	tooltip => "What your bargaining skill tells you about the shop",
2792	},	3072	},
2793	"c/book" => {	3073	"c/book" => {
2794	id => "infobox",	3074	id => "infobox",
2795	title => "Book",	3075	title => "Book",
2796	reply => undef,	3076	reply => undef,
…		…
2812	id => "infobox",	3092	id => "infobox",
2813	title => "Body Parts",	3093	title => "Body Parts",
2814	reply => undef,	3094	reply => undef,
2815	tooltip => "Shows which body parts you posess and are available",	3095	tooltip => "Shows which body parts you posess and are available",
2816	},	3096	},
		3097	"c/statistics" => {
		3098	id => "infobox",
		3099	title => "Statistics",
		3100	reply => undef,
		3101	tooltip => "Shows your primary statistics",
		3102	},
		3103	"c/skills" => {
		3104	id => "infobox",
		3105	title => "Skills",
		3106	reply => undef,
		3107	tooltip => "Shows your experience per skill and item power",
		3108	},
		3109	"c/shopitems" => {
		3110	id => "infobox",
		3111	title => "Shop Items",
		3112	reply => undef,
		3113	tooltip => "Shows the items currently for sale in this shop",
		3114	},
		3115	"c/resistances" => {
		3116	id => "infobox",
		3117	title => "Resistances",
		3118	reply => undef,
		3119	tooltip => "Shows your resistances",
		3120	},
		3121	"c/pets" => {
		3122	id => "infobox",
		3123	title => "Pets",
		3124	reply => undef,
		3125	tooltip => "Shows information abotu your pets/a specific pet",
		3126	},
		3127	"c/perceiveself" => {
		3128	id => "infobox",
		3129	title => "Perceive Self",
		3130	reply => undef,
		3131	tooltip => "You gained detailed knowledge about yourself",
		3132	},
2817	"c/uptime" => {	3133	"c/uptime" => {
2818	id => "infobox",	3134	id => "infobox",
2819	title => "Uptime",	3135	title => "Uptime",
2820	reply => undef,	3136	reply => undef,
2821	tooltip => "How long the server has been running since last restart",	3137	tooltip => "How long the server has been running since last restart",
…		…
2824	id => "infobox",	3140	id => "infobox",
2825	title => "Map Info",	3141	title => "Map Info",
2826	reply => undef,	3142	reply => undef,
2827	tooltip => "Information related to the maps",	3143	tooltip => "Information related to the maps",
2828	},	3144	},
		3145	"c/party" => {
		3146	id => "party",
		3147	title => "Party",
		3148	reply => "gsay ",
		3149	tooltip => "Messages and chat related to your party",
		3150	},
		3151	"c/death" => {
		3152	id => "death",
		3153	title => "Death",
		3154	reply => undef,
		3155	tooltip => "Reason for and more info about your most recent death",
		3156	},
		3157	"c/say" => $SAY_CHANNEL,
		3158	"c/chat" => $CHAT_CHANNEL,
2829	);	3159	);
2830		3160
2831	sub cf::client::send_msg {	3161	sub cf::client::send_msg {
2832	my ($self, $channel, $msg, $color, @extra) = @_;	3162	my ($self, $channel, $msg, $color, @extra) = @_;
2833		3163
2834	$msg = $self->pl->expand_cfpod ($msg);	3164	$msg = $self->pl->expand_cfpod ($msg)
		3165	unless $color & cf::NDI_VERBATIM;
2835		3166
2836	$color &= cf::NDI_CLIENT_MASK; # just in case...	3167	$color &= cf::NDI_CLIENT_MASK; # just in case...
2837		3168
2838	# check predefined channels, for the benefit of C	3169	# check predefined channels, for the benefit of C
2839	if ($CHANNEL{$channel}) {	3170	if ($CHANNEL{$channel}) {
2840	$channel = $CHANNEL{$channel};	3171	$channel = $CHANNEL{$channel};
2841		3172
2842	$self->ext_msg (channel_info => $channel)	3173	$self->ext_msg (channel_info => $channel);
2843	if $self->can_msg;
2844
2845	$channel = $channel->{id};	3174	$channel = $channel->{id};
2846		3175
2847	} elsif (ref $channel) {	3176	} elsif (ref $channel) {
2848	# send meta info to client, if not yet sent	3177	# send meta info to client, if not yet sent
2849	unless (exists $self->{channel}{$channel->{id}}) {	3178	unless (exists $self->{channel}{$channel->{id}}) {
2850	$self->{channel}{$channel->{id}} = $channel;	3179	$self->{channel}{$channel->{id}} = $channel;
2851	$self->ext_msg (channel_info => $channel)	3180	$self->ext_msg (channel_info => $channel);
2852	if $self->can_msg;
2853	}	3181	}
2854		3182
2855	$channel = $channel->{id};	3183	$channel = $channel->{id};
2856	}	3184	}
2857		3185
2858	return unless @extra || length $msg;	3186	return unless @extra || length $msg;
2859		3187
2860	if ($self->can_msg) {
2861	# default colour, mask it out	3188	# default colour, mask it out
2862	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3189	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2863	if $color & cf::NDI_DEF;	3190	if $color & cf::NDI_DEF;
2864		3191
2865	$self->send_packet ("msg " . $self->{json_coder}->encode (	3192	my $pkt = "msg "
		3193	. $self->{json_coder}->encode (
2866	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3194	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2867	} else {	3195	);
2868	if ($color >= 0) {
2869	# replace some tags by gcfclient-compatible ones
2870	for ($msg) {
2871	1 while
2872	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2873	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2874	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2875	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2876	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2877	}
2878		3196
2879	$color &= cf::NDI_COLOR_MASK;	3197	$self->send_big_packet ($pkt);
2880
2881	utf8::encode $msg;
2882
2883	if (0 && $msg =~ /\[/) {
2884	# COMMAND/INFO
2885	$self->send_packet ("drawextinfo $color 10 8 $msg")
2886	} else {
2887	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2888	$self->send_packet ("drawinfo $color $msg")
2889	}
2890	}
2891	}
2892	}	3198	}
2893		3199
2894	=item $client->ext_msg ($type, @msg)	3200	=item $client->ext_msg ($type, @msg)
2895		3201
2896	Sends an ext event to the client.	3202	Sends an ext event to the client.
…		…
2899		3205
2900	sub cf::client::ext_msg($$@) {	3206	sub cf::client::ext_msg($$@) {
2901	my ($self, $type, @msg) = @_;	3207	my ($self, $type, @msg) = @_;
2902		3208
2903	if ($self->extcmd == 2) {	3209	if ($self->extcmd == 2) {
2904	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2905	} elsif ($self->extcmd == 1) { # TODO: remove	3211	} elsif ($self->extcmd == 1) { # TODO: remove
2906	push @msg, msgtype => "event_$type";	3212	push @msg, msgtype => "event_$type";
2907	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3213	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2908	}	3214	}
2909	}	3215	}
2910		3216
2911	=item $client->ext_reply ($msgid, @msg)	3217	=item $client->ext_reply ($msgid, @msg)
2912		3218
…		…
2916		3222
2917	sub cf::client::ext_reply($$@) {	3223	sub cf::client::ext_reply($$@) {
2918	my ($self, $id, @msg) = @_;	3224	my ($self, $id, @msg) = @_;
2919		3225
2920	if ($self->extcmd == 2) {	3226	if ($self->extcmd == 2) {
2921	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3227	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2922	} elsif ($self->extcmd == 1) {	3228	} elsif ($self->extcmd == 1) {
2923	#TODO: version 1, remove	3229	#TODO: version 1, remove
2924	unshift @msg, msgtype => "reply", msgid => $id;	3230	unshift @msg, msgtype => "reply", msgid => $id;
2925	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3231	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2926	}	3232	}
2927	}	3233	}
2928		3234
2929	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2930		3236
…		…
3001		3307
3002	$ns->ext_reply ($reply, @reply)	3308	$ns->ext_reply ($reply, @reply)
3003	if $reply;	3309	if $reply;
3004		3310
3005	} else {	3311	} else {
3006	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3312	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3007	}	3313	}
3008		3314
3009	cf::override;	3315	cf::override;
3010	},	3316	},
3011	);	3317	);
…		…
3031		3337
3032	$coro	3338	$coro
3033	}	3339	}
3034		3340
3035	cf::client->attach (	3341	cf::client->attach (
3036	on_destroy => sub {	3342	on_client_destroy => sub {
3037	my ($ns) = @_;	3343	my ($ns) = @_;
3038		3344
3039	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3345	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3040	},	3346	},
3041	);	3347	);
…		…
3057	our $safe_hole = new Safe::Hole;	3363	our $safe_hole = new Safe::Hole;
3058		3364
3059	$SIG{FPE} = 'IGNORE';	3365	$SIG{FPE} = 'IGNORE';
3060		3366
3061	$safe->permit_only (Opcode::opset qw(	3367	$safe->permit_only (Opcode::opset qw(
3062	:base_core :base_mem :base_orig :base_math	3368	:base_core :base_mem :base_orig :base_math :base_loop
3063	grepstart grepwhile mapstart mapwhile	3369	grepstart grepwhile mapstart mapwhile
3064	sort time	3370	sort time
3065	));	3371	));
3066		3372
3067	# here we export the classes and methods available to script code	3373	# here we export the classes and methods available to script code
…		…
3070		3376
3071	The following functions and methods are available within a safe environment:	3377	The following functions and methods are available within a safe environment:
3072		3378
3073	cf::object	3379	cf::object
3074	contr pay_amount pay_player map x y force_find force_add destroy	3380	contr pay_amount pay_player map x y force_find force_add destroy
3075	insert remove name archname title slaying race decrease_ob_nr	3381	insert remove name archname title slaying race decrease split
		3382	value
3076		3383
3077	cf::object::player	3384	cf::object::player
3078	player	3385	player
3079		3386
3080	cf::player	3387	cf::player
…		…
3085		3392
3086	=cut	3393	=cut
3087		3394
3088	for (	3395	for (
3089	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3396	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3090	insert remove inv name archname title slaying race	3397	insert remove inv nrof name archname title slaying race
3091	decrease_ob_nr destroy)],	3398	decrease split destroy change_exp value msg lore send_msg)],
3092	["cf::object::player" => qw(player)],	3399	["cf::object::player" => qw(player)],
3093	["cf::player" => qw(peaceful)],	3400	["cf::player" => qw(peaceful send_msg)],
3094	["cf::map" => qw(trigger)],	3401	["cf::map" => qw(trigger)],
3095	) {	3402	) {
3096	no strict 'refs';
3097	my ($pkg, @funs) = @$_;	3403	my ($pkg, @funs) = @$_;
3098	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3404	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3099	for @funs;	3405	for @funs;
3100	}	3406	}
3101		3407
…		…
3116		3422
3117	my $qcode = $code;	3423	my $qcode = $code;
3118	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3424	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3119	$qcode =~ s/\n/\\n/g;	3425	$qcode =~ s/\n/\\n/g;
3120		3426
		3427	%vars = (_dummy => 0) unless %vars;
		3428
		3429	my @res;
3121	local $_;	3430	local $_;
3122	local @safe::cf::_safe_eval_args = values %vars;
3123		3431
3124	my $eval =	3432	my $eval =
3125	"do {\n"	3433	"do {\n"
3126	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3434	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3127	. "#line 0 \"{$qcode}\"\n"	3435	. "#line 0 \"{$qcode}\"\n"
3128	. $code	3436	. $code
3129	. "\n}"	3437	. "\n}"
3130	;	3438	;
3131		3439
		3440	if ($CFG{safe_eval}) {
3132	sub_generation_inc;	3441	sub_generation_inc;
		3442	local @safe::cf::_safe_eval_args = values %vars;
3133	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3443	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3134	sub_generation_inc;	3444	sub_generation_inc;
		3445	} else {
		3446	local @cf::_safe_eval_args = values %vars;
		3447	@res = wantarray ? eval eval : scalar eval $eval;
		3448	}
3135		3449
3136	if ($@) {	3450	if ($@) {
3137	warn "$@";	3451	warn "$@",
3138	warn "while executing safe code '$code'\n";	3452	"while executing safe code '$code'\n",
3139	warn "with arguments " . (join " ", %vars) . "\n";	3453	"with arguments " . (join " ", %vars) . "\n";
3140	}	3454	}
3141		3455
3142	wantarray ? @res : $res[0]	3456	wantarray ? @res : $res[0]
3143	}	3457	}
3144		3458
…		…
3158	=cut	3472	=cut
3159		3473
3160	sub register_script_function {	3474	sub register_script_function {
3161	my ($fun, $cb) = @_;	3475	my ($fun, $cb) = @_;
3162		3476
3163	no strict 'refs';	3477	$fun = "safe::$fun" if $CFG{safe_eval};
3164	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3478	*$fun = $safe_hole->wrap ($cb);
3165	}	3479	}
3166		3480
3167	=back	3481	=back
3168		3482
3169	=cut	3483	=cut
…		…
3178	# for this (global event?)	3492	# for this (global event?)
3179	%ext::player_env::MUSIC_FACE_CACHE = ();	3493	%ext::player_env::MUSIC_FACE_CACHE = ();
3180		3494
3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3495	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3182		3496
3183	warn "loading facedata from $path\n";	3497	trace "loading facedata from $path\n";
3184		3498
3185	my $facedata;	3499	my $facedata = decode_storable load_file $path;
3186	0 < aio_load $path, $facedata
3187	or die "$path: $!";
3188
3189	$facedata = Coro::Storable::thaw $facedata;
3190		3500
3191	$facedata->{version} == 2	3501	$facedata->{version} == 2
3192	or cf::cleanup "$path: version mismatch, cannot proceed.";	3502	or cf::cleanup "$path: version mismatch, cannot proceed.";
3193		3503
3194	# patch in the exptable	3504	# patch in the exptable
		3505	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3195	$facedata->{resource}{"res/exp_table"} = {	3506	$facedata->{resource}{"res/exp_table"} = {
3196	type => FT_RSRC,	3507	type => FT_RSRC,
3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3508	data => $exp_table,
		3509	hash => (Digest::MD5::md5 $exp_table),
3198	};	3510	};
3199	cf::cede_to_tick;	3511	cf::cede_to_tick;
3200		3512
3201	{	3513	{
3202	my $faces = $facedata->{faceinfo};	3514	my $faces = $facedata->{faceinfo};
…		…
3204	while (my ($face, $info) = each %$faces) {	3516	while (my ($face, $info) = each %$faces) {
3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3517	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3206		3518
3207	cf::face::set_visibility $idx, $info->{visibility};	3519	cf::face::set_visibility $idx, $info->{visibility};
3208	cf::face::set_magicmap $idx, $info->{magicmap};	3520	cf::face::set_magicmap $idx, $info->{magicmap};
3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3521	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3522	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3523	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3211		3524
3212	cf::cede_to_tick;	3525	cf::cede_to_tick;
3213	}	3526	}
3214		3527
3215	while (my ($face, $info) = each %$faces) {	3528	while (my ($face, $info) = each %$faces) {
…		…
3220		3533
3221	if (my $smooth = cf::face::find $info->{smooth}) {	3534	if (my $smooth = cf::face::find $info->{smooth}) {
3222	cf::face::set_smooth $idx, $smooth;	3535	cf::face::set_smooth $idx, $smooth;
3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3536	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3224	} else {	3537	} else {
3225	warn "smooth face '$info->{smooth}' not found for face '$face'";	3538	error "smooth face '$info->{smooth}' not found for face '$face'";
3226	}	3539	}
3227		3540
3228	cf::cede_to_tick;	3541	cf::cede_to_tick;
3229	}	3542	}
3230	}	3543	}
…		…
3239		3552
3240	cf::anim::invalidate_all; # d'oh	3553	cf::anim::invalidate_all; # d'oh
3241	}	3554	}
3242		3555
3243	{	3556	{
3244	# TODO: for gcfclient pleasure, we should give resources
3245	# that gcfclient doesn't grok a >10000 face index.
3246	my $res = $facedata->{resource};	3557	my $res = $facedata->{resource};
3247		3558
3248	while (my ($name, $info) = each %$res) {	3559	while (my ($name, $info) = each %$res) {
3249	if (defined $info->{type}) {	3560	if (defined $info->{type}) {
3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3561	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3251	my $data;
3252		3562
3253	if ($info->{type} & 1) {	3563	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3254	# prepend meta info
3255
3256	my $meta = $enc->encode ({
3257	name => $name,
3258	%{ $info->{meta} || {} },
3259	});
3260
3261	$data = pack "(w/a*)*", $meta, $info->{data};
3262	} else {
3263	$data = $info->{data};
3264	}
3265
3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3267	cf::face::set_type $idx, $info->{type};	3564	cf::face::set_type $idx, $info->{type};
3268	} else {	3565	} else {
3269	$RESOURCE{$name} = $info;	3566	$RESOURCE{$name} = $info; # unused
3270	}	3567	}
3271		3568
3272	cf::cede_to_tick;	3569	cf::cede_to_tick;
3273	}	3570	}
3274	}	3571	}
3275		3572
3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3573	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3277		3574
3278	1	3575	1
3279	}	3576	}
3280
3281	cf::global->attach (on_resource_update => sub {
3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3284
3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3286	my $sound = $soundconf->{compat}[$_]
3287	or next;
3288
3289	my $face = cf::face::find "sound/$sound->[1]";
3290	cf::sound::set $sound->[0] => $face;
3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3292	}
3293
3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
3295	my $face = cf::face::find "sound/$v";
3296	cf::sound::set $k => $face;
3297	}
3298	}
3299	});
3300		3577
3301	register_exticmd fx_want => sub {	3578	register_exticmd fx_want => sub {
3302	my ($ns, $want) = @_;	3579	my ($ns, $want) = @_;
3303		3580
3304	while (my ($k, $v) = each %$want) {	3581	while (my ($k, $v) = each %$want) {
3305	$ns->fx_want ($k, $v);	3582	$ns->fx_want ($k, $v);
3306	}	3583	}
3307	};	3584	};
		3585
		3586	sub load_resource_file($) {
		3587	my $guard = lock_acquire "load_resource_file";
		3588
		3589	my $status = load_resource_file_ $_[0];
		3590	get_slot 0.1, 100;
		3591	cf::arch::commit_load;
		3592
		3593	$status
		3594	}
3308		3595
3309	sub reload_regions {	3596	sub reload_regions {
3310	# HACK to clear player env face cache, we need some signal framework	3597	# HACK to clear player env face cache, we need some signal framework
3311	# for this (global event?)	3598	# for this (global event?)
3312	%ext::player_env::MUSIC_FACE_CACHE = ();	3599	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3326	}	3613	}
3327		3614
3328	sub reload_archetypes {	3615	sub reload_archetypes {
3329	load_resource_file "$DATADIR/archetypes"	3616	load_resource_file "$DATADIR/archetypes"
3330	or die "unable to load archetypes\n";	3617	or die "unable to load archetypes\n";
3331	#d# NEED to laod twice to resolve forward references
3332	# this really needs to be done in an extra post-pass
3333	# (which needs to be synchronous, so solve it differently)
3334	load_resource_file "$DATADIR/archetypes"
3335	or die "unable to load archetypes\n";
3336	}	3618	}
3337		3619
3338	sub reload_treasures {	3620	sub reload_treasures {
3339	load_resource_file "$DATADIR/treasures"	3621	load_resource_file "$DATADIR/treasures"
3340	or die "unable to load treasurelists\n";	3622	or die "unable to load treasurelists\n";
3341	}	3623	}
3342		3624
		3625	sub reload_sound {
		3626	trace "loading sound config from $DATADIR/sound\n";
		3627
		3628	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3629
		3630	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3631	my $sound = $soundconf->{compat}[$_]
		3632	or next;
		3633
		3634	my $face = cf::face::find "sound/$sound->[1]";
		3635	cf::sound::set $sound->[0] => $face;
		3636	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3637	}
		3638
		3639	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3640	my $face = cf::face::find "sound/$v";
		3641	cf::sound::set $k => $face;
		3642	}
		3643	}
		3644
3343	sub reload_resources {	3645	sub reload_resources {
3344	warn "reloading resource files...\n";	3646	trace "reloading resource files...\n";
3345		3647
		3648	reload_exp_table;
		3649	reload_materials;
		3650	reload_facedata;
		3651	reload_sound;
		3652	reload_archetypes;
3346	reload_regions;	3653	reload_regions;
3347	reload_facedata;
3348	#reload_archetypes;#d#
3349	reload_archetypes;
3350	reload_treasures;	3654	reload_treasures;
3351		3655
3352	warn "finished reloading resource files\n";	3656	trace "finished reloading resource files\n";
3353	}
3354
3355	sub init {
3356	reload_resources;
3357	}	3657	}
3358		3658
3359	sub reload_config {	3659	sub reload_config {
3360	open my $fh, "<:utf8", "$CONFDIR/config"	3660	trace "reloading config file...\n";
3361	or return;
3362		3661
3363	local $/;	3662	my $config = load_file "$CONFDIR/config";
3364	*CFG = YAML::Load <$fh>;	3663	utf8::decode $config;
		3664	*CFG = decode_yaml $config;
3365		3665
3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3666	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3367		3667
3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3668	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3669	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3370		3670
3371	if (exists $CFG{mlockall}) {	3671	if (exists $CFG{mlockall}) {
…		…
3375	};	3675	};
3376	warn $@ if $@;	3676	warn $@ if $@;
3377	}	3677	}
3378	}	3678	}
3379		3679
		3680	sub pidfile() {
		3681	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3682	or die "$PIDFILE: $!";
		3683	flock $fh, &Fcntl::LOCK_EX
		3684	or die "$PIDFILE: flock: $!";
		3685	$fh
		3686	}
		3687
		3688	# make sure only one server instance is running at any one time
		3689	sub atomic {
		3690	my $fh = pidfile;
		3691
		3692	my $pid = <$fh>;
		3693	kill 9, $pid if $pid > 0;
		3694
		3695	seek $fh, 0, 0;
		3696	print $fh $$;
		3697	}
		3698
		3699	sub main_loop {
		3700	trace "EV::loop starting\n";
		3701	if (1) {
		3702	EV::loop;
		3703	}
		3704	trace "EV::loop returned\n";
		3705	goto &main_loop unless $REALLY_UNLOOP;
		3706	}
		3707
3380	sub main {	3708	sub main {
		3709	cf::init_globals; # initialise logging
		3710
		3711	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3712	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3713	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3714	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3715
		3716	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3717
3381	# we must not ever block the main coroutine	3718	# we must not ever block the main coroutine
3382	local $Coro::idle = sub {	3719	local $Coro::idle = sub {
3383	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3720	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3384	(async {	3721	(async {
3385	$Coro::current->{desc} = "IDLE BUG HANDLER";	3722	$Coro::current->{desc} = "IDLE BUG HANDLER";
3386	EV::loop EV::LOOP_ONESHOT;	3723	EV::loop EV::LOOP_ONESHOT;
3387	})->prio (Coro::PRIO_MAX);	3724	})->prio (Coro::PRIO_MAX);
3388	};	3725	};
3389		3726
3390	reload_config;
3391	db_init;
3392	load_extensions;
3393
3394	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3395	evthread_start IO::AIO::poll_fileno;	3727	evthread_start IO::AIO::poll_fileno;
3396	EV::loop;	3728
		3729	cf::sync_job {
		3730	cf::incloader::init ();
		3731
		3732	cf::init_anim;
		3733	cf::init_attackmess;
		3734	cf::init_dynamic;
		3735
		3736	cf::load_settings;
		3737
		3738	reload_resources;
		3739	reload_config;
		3740	db_init;
		3741
		3742	cf::init_uuid;
		3743	cf::init_signals;
		3744	cf::init_skills;
		3745
		3746	cf::init_beforeplay;
		3747
		3748	atomic;
		3749
		3750	load_extensions;
		3751
		3752	utime time, time, $RUNTIMEFILE;
		3753
		3754	# no (long-running) fork's whatsoever before this point(!)
		3755	use POSIX ();
		3756	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3757
		3758	cf::_post_init 0;
		3759	};
		3760
		3761	cf::object::thawer::errors_are_fatal 0;
		3762	info "parse errors in files are no longer fatal from this point on.\n";
		3763
		3764	my $free_main; $free_main = EV::idle sub {
		3765	undef $free_main;
		3766	undef &main; # free gobs of memory :)
		3767	};
		3768
		3769	goto &main_loop;
3397	}	3770	}
3398		3771
3399	#############################################################################	3772	#############################################################################
3400	# initialisation and cleanup	3773	# initialisation and cleanup
3401		3774
3402	# install some emergency cleanup handlers	3775	# install some emergency cleanup handlers
3403	BEGIN {	3776	BEGIN {
3404	our %SIGWATCHER = ();	3777	our %SIGWATCHER = ();
3405	for my $signal (qw(INT HUP TERM)) {	3778	for my $signal (qw(INT HUP TERM)) {
3406	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3779	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3407	cf::cleanup "SIG$signal";	3780	cf::cleanup "SIG$signal";
3408	};	3781	};
3409	}	3782	}
3410	}	3783	}
3411		3784
3412	sub write_runtime_sync {	3785	sub write_runtime_sync {
3413	my $runtime = "$LOCALDIR/runtime";	3786	my $t0 = AE::time;
3414		3787
3415	# first touch the runtime file to show we are still running:	3788	# first touch the runtime file to show we are still running:
3416	# the fsync below can take a very very long time.	3789	# the fsync below can take a very very long time.
3417		3790
3418	IO::AIO::aio_utime $runtime, undef, undef;	3791	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3419		3792
3420	my $guard = cf::lock_acquire "write_runtime";	3793	my $guard = cf::lock_acquire "write_runtime";
3421		3794
3422	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3795	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3423	or return;	3796	or return;
3424		3797
3425	my $value = $cf::RUNTIME + 90 + 10;	3798	my $value = $cf::RUNTIME + 90 + 10;
3426	# 10 is the runtime save interval, for a monotonic clock	3799	# 10 is the runtime save interval, for a monotonic clock
3427	# 60 allows for the watchdog to kill the server.	3800	# 60 allows for the watchdog to kill the server.
…		…
3437	aio_utime $fh, undef, undef;	3810	aio_utime $fh, undef, undef;
3438		3811
3439	close $fh	3812	close $fh
3440	or return;	3813	or return;
3441		3814
3442	aio_rename "$runtime~", $runtime	3815	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3443	and return;	3816	and return;
3444		3817
3445	warn "runtime file written.\n";	3818	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3446		3819
3447	1	3820	1
3448	}	3821	}
3449		3822
3450	our $uuid_lock;	3823	our $uuid_lock;
…		…
3459	my $uuid = "$LOCALDIR/uuid";	3832	my $uuid = "$LOCALDIR/uuid";
3460		3833
3461	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3834	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3462	or return;	3835	or return;
3463		3836
3464	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3837	my $value = uuid_seq uuid_cur;
		3838
		3839	unless ($value) {
		3840	info "cowardly refusing to write zero uuid value!\n";
		3841	return;
		3842	}
		3843
		3844	my $value = uuid_str $value + $uuid_skip;
3465	$uuid_skip = 0;	3845	$uuid_skip = 0;
3466		3846
3467	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3847	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3468	and return;	3848	and return;
3469		3849
…		…
3475	or return;	3855	or return;
3476		3856
3477	aio_rename "$uuid~", $uuid	3857	aio_rename "$uuid~", $uuid
3478	and return;	3858	and return;
3479		3859
3480	warn "uuid file written ($value).\n";	3860	trace "uuid file written ($value).\n";
3481		3861
3482	1	3862	1
3483		3863
3484	}	3864	}
3485		3865
…		…
3491	}	3871	}
3492		3872
3493	sub emergency_save() {	3873	sub emergency_save() {
3494	my $freeze_guard = cf::freeze_mainloop;	3874	my $freeze_guard = cf::freeze_mainloop;
3495		3875
3496	warn "enter emergency perl save\n";	3876	info "emergency_perl_save: enter\n";
		3877
		3878	# this is a trade-off: we want to be very quick here, so
		3879	# save all maps without fsync, and later call a global sync
		3880	# (which in turn might be very very slow)
		3881	local $USE_FSYNC = 0;
3497		3882
3498	cf::sync_job {	3883	cf::sync_job {
		3884	cf::write_runtime_sync; # external watchdog should not bark
		3885
3499	# use a peculiar iteration method to avoid tripping on perl	3886	# use a peculiar iteration method to avoid tripping on perl
3500	# refcount bugs in for. also avoids problems with players	3887	# refcount bugs in for. also avoids problems with players
3501	# and maps saved/destroyed asynchronously.	3888	# and maps saved/destroyed asynchronously.
3502	warn "begin emergency player save\n";	3889	info "emergency_perl_save: begin player save\n";
3503	for my $login (keys %cf::PLAYER) {	3890	for my $login (keys %cf::PLAYER) {
3504	my $pl = $cf::PLAYER{$login} or next;	3891	my $pl = $cf::PLAYER{$login} or next;
3505	$pl->valid or next;	3892	$pl->valid or next;
3506	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3893	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3507	$pl->save;	3894	$pl->save;
3508	}	3895	}
3509	warn "end emergency player save\n";	3896	info "emergency_perl_save: end player save\n";
3510		3897
3511	warn "begin emergency map save\n";	3898	cf::write_runtime_sync; # external watchdog should not bark
		3899
		3900	info "emergency_perl_save: begin map save\n";
3512	for my $path (keys %cf::MAP) {	3901	for my $path (keys %cf::MAP) {
3513	my $map = $cf::MAP{$path} or next;	3902	my $map = $cf::MAP{$path} or next;
3514	$map->valid or next;	3903	$map->valid or next;
3515	$map->save;	3904	$map->save;
3516	}	3905	}
3517	warn "end emergency map save\n";	3906	info "emergency_perl_save: end map save\n";
3518		3907
3519	warn "begin emergency database checkpoint\n";	3908	cf::write_runtime_sync; # external watchdog should not bark
		3909
		3910	info "emergency_perl_save: begin database checkpoint\n";
3520	BDB::db_env_txn_checkpoint $DB_ENV;	3911	BDB::db_env_txn_checkpoint $DB_ENV;
3521	warn "end emergency database checkpoint\n";	3912	info "emergency_perl_save: end database checkpoint\n";
3522		3913
3523	warn "begin write uuid\n";	3914	info "emergency_perl_save: begin write uuid\n";
3524	write_uuid_sync 1;	3915	write_uuid_sync 1;
3525	warn "end write uuid\n";	3916	info "emergency_perl_save: end write uuid\n";
		3917
		3918	cf::write_runtime_sync; # external watchdog should not bark
		3919
		3920	trace "emergency_perl_save: syncing database to disk";
		3921	BDB::db_env_txn_checkpoint $DB_ENV;
		3922
		3923	info "emergency_perl_save: starting sync\n";
		3924	IO::AIO::aio_sync sub {
		3925	info "emergency_perl_save: finished sync\n";
		3926	};
		3927
		3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	trace "emergency_perl_save: flushing outstanding aio requests";
		3931	while (IO::AIO::nreqs || BDB::nreqs) {
		3932	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3933	}
		3934
		3935	cf::write_runtime_sync; # external watchdog should not bark
3526	};	3936	};
3527		3937
3528	warn "leave emergency perl save\n";	3938	info "emergency_perl_save: leave\n";
3529	}	3939	}
3530		3940
3531	sub post_cleanup {	3941	sub post_cleanup {
3532	my ($make_core) = @_;	3942	my ($make_core) = @_;
3533		3943
		3944	IO::AIO::flush;
		3945
3534	warn Carp::longmess "post_cleanup backtrace"	3946	error Carp::longmess "post_cleanup backtrace"
3535	if $make_core;	3947	if $make_core;
		3948
		3949	my $fh = pidfile;
		3950	unlink $PIDFILE if <$fh> == $$;
		3951	}
		3952
		3953	# a safer delete_package, copied from Symbol
		3954	sub clear_package($) {
		3955	my $pkg = shift;
		3956
		3957	# expand to full symbol table name if needed
		3958	unless ($pkg =~ /^main::.*::$/) {
		3959	$pkg = "main$pkg" if $pkg =~ /^::/;
		3960	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3961	$pkg .= '::' unless $pkg =~ /::$/;
		3962	}
		3963
		3964	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3965	my $stem_symtab = *{$stem}{HASH};
		3966
		3967	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3968	or return;
		3969
		3970	# clear all symbols
		3971	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3972	for my $name (keys %$leaf_symtab) {
		3973	_gv_clear *{"$pkg$name"};
		3974	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3975	}
3536	}	3976	}
3537		3977
3538	sub do_reload_perl() {	3978	sub do_reload_perl() {
3539	# can/must only be called in main	3979	# can/must only be called in main
3540	if ($Coro::current != $Coro::main) {	3980	unless (in_main) {
3541	warn "can only reload from main coroutine";	3981	error "can only reload from main coroutine";
3542	return;	3982	return;
3543	}	3983	}
3544		3984
3545	warn "reloading...";	3985	return if $RELOAD++;
3546		3986
3547	warn "entering sync_job";	3987	my $t1 = AE::time;
3548		3988
		3989	while ($RELOAD) {
		3990	cf::get_slot 0.1, -1, "reload_perl";
		3991	info "perl_reload: reloading...";
		3992
		3993	trace "perl_reload: entering sync_job";
		3994
3549	cf::sync_job {	3995	cf::sync_job {
3550	cf::write_runtime_sync; # external watchdog should not bark
3551	cf::emergency_save;	3996	#cf::emergency_save;
3552	cf::write_runtime_sync; # external watchdog should not bark
3553		3997
3554	warn "syncing database to disk";
3555	BDB::db_env_txn_checkpoint $DB_ENV;
3556
3557	# if anything goes wrong in here, we should simply crash as we already saved
3558
3559	warn "flushing outstanding aio requests";
3560	for (;;) {
3561	BDB::flush;
3562	IO::AIO::flush;
3563	Coro::cede_notself;
3564	last unless IO::AIO::nreqs || BDB::nreqs;
3565	warn "iterate...";
3566	}
3567
3568	++$RELOAD;
3569
3570	warn "cancelling all extension coros";	3998	trace "perl_reload: cancelling all extension coros";
3571	$_->cancel for values %EXT_CORO;	3999	$_->cancel for values %EXT_CORO;
3572	%EXT_CORO = ();	4000	%EXT_CORO = ();
3573		4001
3574	warn "removing commands";	4002	trace "perl_reload: removing commands";
3575	%COMMAND = ();	4003	%COMMAND = ();
3576		4004
3577	warn "removing ext/exti commands";	4005	trace "perl_reload: removing ext/exti commands";
3578	%EXTCMD = ();	4006	%EXTCMD = ();
3579	%EXTICMD = ();	4007	%EXTICMD = ();
3580		4008
3581	warn "unloading/nuking all extensions";	4009	trace "perl_reload: unloading/nuking all extensions";
3582	for my $pkg (@EXTS) {	4010	for my $pkg (@EXTS) {
3583	warn "... unloading $pkg";	4011	trace "... unloading $pkg";
3584		4012
3585	if (my $cb = $pkg->can ("unload")) {	4013	if (my $cb = $pkg->can ("unload")) {
3586	eval {	4014	eval {
3587	$cb->($pkg);	4015	$cb->($pkg);
3588	1	4016	1
3589	} or warn "$pkg unloaded, but with errors: $@";	4017	} or error "$pkg unloaded, but with errors: $@";
		4018	}
		4019
		4020	trace "... clearing $pkg";
		4021	clear_package $pkg;
3590	}	4022	}
3591		4023
3592	warn "... nuking $pkg";
3593	Symbol::delete_package $pkg;
3594	}
3595
3596	warn "unloading all perl modules loaded from $LIBDIR";	4024	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3597	while (my ($k, $v) = each %INC) {	4025	while (my ($k, $v) = each %INC) {
3598	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4026	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3599		4027
3600	warn "... unloading $k";	4028	trace "... unloading $k";
3601	delete $INC{$k};	4029	delete $INC{$k};
3602		4030
3603	$k =~ s/\.pm$//;	4031	$k =~ s/\.pm$//;
3604	$k =~ s/\//::/g;	4032	$k =~ s/\//::/g;
3605		4033
3606	if (my $cb = $k->can ("unload_module")) {	4034	if (my $cb = $k->can ("unload_module")) {
3607	$cb->();	4035	$cb->();
		4036	}
		4037
		4038	clear_package $k;
3608	}	4039	}
3609		4040
3610	Symbol::delete_package $k;
3611	}
3612
3613	warn "getting rid of safe::, as good as possible";	4041	trace "perl_reload: getting rid of safe::, as good as possible";
3614	Symbol::delete_package "safe::$_"	4042	clear_package "safe::$_"
3615	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4043	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3616		4044
3617	warn "unloading cf.pm \"a bit\"";	4045	trace "perl_reload: unloading cf.pm \"a bit\"";
3618	delete $INC{"cf.pm"};	4046	delete $INC{"cf.pm"};
3619	delete $INC{"cf/pod.pm"};	4047	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3620		4048
3621	# don't, removes xs symbols, too,	4049	# don't, removes xs symbols, too,
3622	# and global variables created in xs	4050	# and global variables created in xs
3623	#Symbol::delete_package __PACKAGE__;	4051	#clear_package __PACKAGE__;
3624		4052
3625	warn "unload completed, starting to reload now";	4053	info "perl_reload: unload completed, starting to reload now";
3626		4054
3627	warn "reloading cf.pm";	4055	trace "perl_reload: reloading cf.pm";
3628	require cf;	4056	require cf;
3629	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4057	cf::_connect_to_perl_1;
3630		4058
3631	warn "loading config and database again";	4059	trace "perl_reload: loading config and database again";
3632	cf::reload_config;	4060	cf::reload_config;
3633		4061
3634	warn "loading extensions";	4062	trace "perl_reload: loading extensions";
3635	cf::load_extensions;	4063	cf::load_extensions;
3636		4064
		4065	if ($REATTACH_ON_RELOAD) {
3637	warn "reattaching attachments to objects/players";	4066	trace "perl_reload: reattaching attachments to objects/players";
3638	_global_reattach; # objects, sockets	4067	_global_reattach; # objects, sockets
3639	warn "reattaching attachments to maps";	4068	trace "perl_reload: reattaching attachments to maps";
3640	reattach $_ for values %MAP;	4069	reattach $_ for values %MAP;
3641	warn "reattaching attachments to players";	4070	trace "perl_reload: reattaching attachments to players";
3642	reattach $_ for values %PLAYER;	4071	reattach $_ for values %PLAYER;
		4072	}
3643		4073
3644	warn "leaving sync_job";	4074	cf::_post_init 1;
3645		4075
		4076	trace "perl_reload: leaving sync_job";
		4077
3646	1	4078	1
3647	} or do {	4079	} or do {
3648	warn $@;	4080	error $@;
3649	cf::cleanup "error while reloading, exiting.";	4081	cf::cleanup "perl_reload: error, exiting.";
		4082	};
		4083
		4084	--$RELOAD;
3650	};	4085	}
3651		4086
3652	warn "reloaded";	4087	$t1 = AE::time - $t1;
		4088	info "perl_reload: completed in ${t1}s\n";
3653	};	4089	};
3654		4090
3655	our $RELOAD_WATCHER; # used only during reload	4091	our $RELOAD_WATCHER; # used only during reload
3656		4092
3657	sub reload_perl() {	4093	sub reload_perl() {
3658	# doing reload synchronously and two reloads happen back-to-back,	4094	# doing reload synchronously and two reloads happen back-to-back,
3659	# coro crashes during coro_state_free->destroy here.	4095	# coro crashes during coro_state_free->destroy here.
3660		4096
		4097	$RELOAD_WATCHER ||= cf::async {
		4098	Coro::AIO::aio_wait cache_extensions;
		4099
3661	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4100	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3662	do_reload_perl;	4101	do_reload_perl;
3663	undef $RELOAD_WATCHER;	4102	undef $RELOAD_WATCHER;
		4103	};
3664	};	4104	};
3665	}	4105	}
3666		4106
3667	register_command "reload" => sub {	4107	register_command "reload" => sub {
3668	my ($who, $arg) = @_;	4108	my ($who, $arg) = @_;
…		…
3674	reload_perl;	4114	reload_perl;
3675	};	4115	};
3676	}	4116	}
3677	};	4117	};
3678		4118
3679	unshift @INC, $LIBDIR;	4119	#############################################################################
3680		4120
3681	my $bug_warning = 0;	4121	my $bug_warning = 0;
3682		4122
3683	our @WAIT_FOR_TICK;
3684	our @WAIT_FOR_TICK_BEGIN;
3685
3686	sub wait_for_tick {	4123	sub wait_for_tick() {
3687	return if tick_inhibit;	4124	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3688	return if $Coro::current == $Coro::main;
3689		4125
3690	my $signal = new Coro::Signal;	4126	$WAIT_FOR_TICK->wait;
3691	push @WAIT_FOR_TICK, $signal;
3692	$signal->wait;
3693	}	4127	}
3694		4128
3695	sub wait_for_tick_begin {	4129	sub wait_for_tick_begin() {
3696	return if tick_inhibit;	4130	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3697	return if $Coro::current == $Coro::main;
3698		4131
3699	my $signal = new Coro::Signal;	4132	my $signal = new Coro::Signal;
3700	push @WAIT_FOR_TICK_BEGIN, $signal;	4133	push @WAIT_FOR_TICK_BEGIN, $signal;
3701	$signal->wait;	4134	$signal->wait;
3702	}	4135	}
…		…
3706	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4139	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3707	unless ++$bug_warning > 10;	4140	unless ++$bug_warning > 10;
3708	return;	4141	return;
3709	}	4142	}
3710		4143
3711	cf::server_tick; # one server iteration	4144	cf::one_tick; # one server iteration
		4145
		4146	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3712		4147
3713	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4148	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3714	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4149	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3715	Coro::async_pool {	4150	Coro::async_pool {
3716	$Coro::current->{desc} = "runtime saver";	4151	$Coro::current->{desc} = "runtime saver";
3717	write_runtime_sync	4152	write_runtime_sync
3718	or warn "ERROR: unable to write runtime file: $!";	4153	or error "ERROR: unable to write runtime file: $!";
3719	};	4154	};
3720	}	4155	}
3721		4156
3722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3723	$sig->send;	4158	$sig->send;
3724	}	4159	}
3725	while (my $sig = shift @WAIT_FOR_TICK) {	4160	$WAIT_FOR_TICK->broadcast;
3726	$sig->send;
3727	}
3728		4161
3729	$LOAD = ($NOW - $TICK_START) / $TICK;	4162	$LOAD = ($NOW - $TICK_START) / $TICK;
3730	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4163	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3731		4164
3732	if (0) {	4165	if (0) {
3733	if ($NEXT_TICK) {	4166	if ($NEXT_TICK) {
3734	my $jitter = $TICK_START - $NEXT_TICK;	4167	my $jitter = $TICK_START - $NEXT_TICK;
3735	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4168	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3736	warn "jitter $JITTER\n";#d#	4169	debug "jitter $JITTER\n";#d#
3737	}	4170	}
3738	}	4171	}
3739	}	4172	}
3740		4173
3741	{	4174	{
3742	# configure BDB	4175	# configure BDB
3743		4176
3744	BDB::min_parallel 8;	4177	BDB::min_parallel 16;
3745	BDB::max_poll_reqs $TICK * 0.1;	4178	BDB::max_poll_reqs $TICK * 0.1;
3746	$Coro::BDB::WATCHER->priority (1);	4179	$AnyEvent::BDB::WATCHER->priority (1);
3747		4180
3748	unless ($DB_ENV) {	4181	unless ($DB_ENV) {
3749	$DB_ENV = BDB::db_env_create;	4182	$DB_ENV = BDB::db_env_create;
3750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4183	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3751	| BDB::LOG_AUTOREMOVE, 1);	4184	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4185	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3752	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4186	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3753	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4187	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3754		4188
3755	cf::sync_job {	4189	cf::sync_job {
3756	eval {	4190	eval {
…		…
3782	{	4216	{
3783	# configure IO::AIO	4217	# configure IO::AIO
3784		4218
3785	IO::AIO::min_parallel 8;	4219	IO::AIO::min_parallel 8;
3786	IO::AIO::max_poll_time $TICK * 0.1;	4220	IO::AIO::max_poll_time $TICK * 0.1;
3787	$Coro::AIO::WATCHER->priority (1);	4221	undef $AnyEvent::AIO::WATCHER;
3788	}	4222	}
3789		4223
3790	my $_log_backtrace;	4224	our $_log_backtrace;
		4225	our $_log_backtrace_last;
3791		4226
3792	sub _log_backtrace {	4227	sub _log_backtrace {
3793	my ($msg, @addr) = @_;	4228	my ($msg, @addr) = @_;
3794		4229
3795	$msg =~ s/\n//;	4230	$msg =~ s/\n$//;
3796		4231
		4232	if ($_log_backtrace_last eq $msg) {
		4233	LOG llevInfo, "[ABT] $msg\n";
		4234	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3797	# limit the # of concurrent backtraces	4235	# limit the # of concurrent backtraces
3798	if ($_log_backtrace < 2) {	4236	} elsif ($_log_backtrace < 2) {
		4237	$_log_backtrace_last = $msg;
3799	++$_log_backtrace;	4238	++$_log_backtrace;
		4239	my $perl_bt = Carp::longmess $msg;
3800	async {	4240	async {
3801	$Coro::current->{desc} = "abt $msg";	4241	$Coro::current->{desc} = "abt $msg";
3802		4242
3803	my @bt = fork_call {	4243	my @bt = fork_call {
3804	@addr = map { sprintf "%x", $_ } @addr;	4244	@addr = map { sprintf "%x", $_ } @addr;
…		…
3815	}	4255	}
3816		4256
3817	@funcs	4257	@funcs
3818	};	4258	};
3819		4259
3820	LOG llevInfo, "[ABT] $msg\n";	4260	LOG llevInfo, "[ABT] $perl_bt\n";
		4261	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3821	LOG llevInfo, "[ABT] $_\n" for @bt;	4262	LOG llevInfo, "[ABT] $_\n" for @bt;
3822	--$_log_backtrace;	4263	--$_log_backtrace;
3823	};	4264	};
3824	} else {	4265	} else {
3825	LOG llevInfo, "[ABT] $msg\n";	4266	LOG llevInfo, "[ABT] $msg\n";
3826	LOG llevInfo, "[ABT] [suppressed]\n";	4267	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3827	}	4268	}
3828	}	4269	}
3829		4270
3830	# load additional modules	4271	# load additional modules
3831	use cf::pod;	4272	require "cf/$_.pm" for @EXTRA_MODULES;
		4273	cf::_connect_to_perl_2;
3832		4274
3833	END { cf::emergency_save }	4275	END { cf::emergency_save }
3834		4276
3835	1	4277	1
3836		4278

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