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Revision 1.416 by root, Fri Apr 11 13:59:06 2008 UTC vs.
Revision 1.576 by root, Tue Jan 3 02:08:49 2012 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
…		…
1279	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
1280		1462
1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1282		1464
1283	if (ref $msg) {	1465	if (ref $msg) {
1284	my ($type, $reply, @payload) =	1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1285	"ARRAY" eq ref $msg
1286	? @$msg
1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1288		1467
1289	my @reply;	1468	my @reply;
1290		1469
1291	if (my $cb = $EXTCMD{$type}) {	1470	if (my $cb = $EXTCMD{$type}) {
1292	@reply = $cb->($pl, @payload);	1471	@reply = $cb->($pl, @payload);
…		…
1294		1473
1295	$pl->ext_reply ($reply, @reply)	1474	$pl->ext_reply ($reply, @reply)
1296	if $reply;	1475	if $reply;
1297		1476
1298	} else {	1477	} else {
1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1300	}	1479	}
1301		1480
1302	cf::override;	1481	cf::override;
1303	},	1482	},
1304	);	1483	);
1305		1484
		1485	# "readahead" all extensions
		1486	sub cache_extensions {
		1487	my $grp = IO::AIO::aio_group;
		1488
		1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1490	for (grep /\.ext$/, @{$_[0]}) {
		1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1492	}
		1493	};
		1494
		1495	$grp
		1496	}
		1497
1306	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
1307	cf::sync_job {	1501	cf::sync_job {
1308	my %todo;	1502	my %todo;
1309		1503
1310	for my $path (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
1311	next unless -r $path;	1505	next unless -r $path;
…		…
1329		1523
1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1332		1526
1333	$ext{source} =	1527	$ext{source} =
1334	"package $pkg; use strict; use utf8;\n"	1528	"package $pkg; use common::sense;\n"
1335	. "#line 1 \"$path\"\n{\n"	1529	. "#line 1 \"$path\"\n{\n"
1336	. $source	1530	. $source
1337	. "\n};\n1";	1531	. "\n};\n1";
1338		1532
1339	$todo{$base} = \%ext;	1533	$todo{$base} = \%ext;
1340	}	1534	}
1341		1535
		1536	my $pass = 0;
1342	my %done;	1537	my %done;
1343	while (%todo) {	1538	while (%todo) {
1344	my $progress;	1539	my $progress;
1345		1540
		1541	++$pass;
		1542
		1543	ext:
1346	while (my ($k, $v) = each %todo) {	1544	while (my ($k, $v) = each %todo) {
1347	for (split /,\s*/, $v->{meta}{depends}) {	1545	for (split /,\s*/, $v->{meta}{depends}) {
1348	goto skip	1546	next ext
1349	unless exists $done{$_};	1547	unless exists $done{$_};
1350	}	1548	}
1351		1549
1352	warn "... loading '$k' into '$v->{pkg}'\n";	1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1353		1551
1354	unless (eval $v->{source}) {	1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
1355	my $msg = $@ ? "$v->{path}: $@\n"	1555	error "$v->{path}: $@\n";
1356	: "$v->{base}: extension inactive.\n";
1357		1556
1358	if (exists $v->{meta}{mandatory}) {
1359	warn $msg;
1360	cf::cleanup "mandatory extension failed to load, exiting.";	1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1361	}	1558	if exists $v->{meta}{mandatory};
1362		1559
1363	warn $msg;	1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1561	delete $todo{$k};
		1562	} else {
		1563	$done{$k} = delete $todo{$k};
		1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
1364	}	1569	}
1365
1366	$done{$k} = delete $todo{$k};
1367	push @EXTS, $v->{pkg};
1368	$progress = 1;
1369	}	1570	}
1370		1571
1371	skip:	1572	unless ($progress) {
1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1373	unless $progress;	1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
1374	}	1582	}
1375	};	1583	};
1376	}	1584	}
1377		1585
1378	#############################################################################	1586	#############################################################################
1379		1587
1380	=back	1588	=back
1381		1589
1382	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
1383		1591
1384	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
1385		1593
1386	=cut	1594	=cut
1387		1595
1388	package cf::player;	1596	package cf::player;
1389		1597
…		…
1432		1640
1433	sub exists($) {	1641	sub exists($) {
1434	my ($login) = @_;	1642	my ($login) = @_;
1435		1643
1436	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
1437	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
1438	}	1646	}
1439		1647
1440	sub find($) {	1648	sub find($) {
1441	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
1442	my $login = $_[0];	1650	my $login = $_[0];
…		…
1454	my $f = new_from_file cf::object::thawer path $login	1662	my $f = new_from_file cf::object::thawer path $login
1455	or return;	1663	or return;
1456		1664
1457	my $pl = cf::player::load_pl $f	1665	my $pl = cf::player::load_pl $f
1458	or return;	1666	or return;
		1667
1459	local $cf::PLAYER_LOADING{$login} = $pl;	1668	local $cf::PLAYER_LOADING{$login} = $pl;
1460	$f->resolve_delayed_derefs;	1669	$f->resolve_delayed_derefs;
1461	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
1462	}	1671	}
1463	}	1672	}
1464	}	1673	}
1465		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
		1687
1466	sub save($) {	1688	sub save($) {
1467	my ($pl) = @_;	1689	my ($pl) = @_;
1468		1690
1469	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
1470		1692
…		…
1473		1695
1474	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1475		1697
1476	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1477	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1478		1705
1479	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1480	cf::cede_to_tick;	1707	cf::cede_to_tick;
1481	}	1708	}
1482		1709
…		…
1514	my ($pl) = @_;	1741	my ($pl) = @_;
1515		1742
1516	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1517		1744
1518	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1519	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1520		1747
1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1522	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1523	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1524	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1525		1756
1526	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1527	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1528	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1566		1797
1567	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
1568	my $path = path $login;	1799	my $path = path $login;
1569		1800
1570	# a .pst is a dead give-away for a valid player	1801	# a .pst is a dead give-away for a valid player
1571	unless (-e "$path.pst") {	1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1573	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1574	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
1575	}	1807	}
1576		1808
…		…
1580		1812
1581	\@logins	1813	\@logins
1582	}	1814	}
1583		1815
1584	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1585		1819
1586	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1587	player. May block.	1821	player. May block.
1588		1822
1589	=cut	1823	=cut
…		…
1607	}	1841	}
1608		1842
1609	\@paths	1843	\@paths
1610	}	1844	}
1611		1845
1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1613		1847
1614	Expand crossfire pod fragments into protocol xml.	1848	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		1849
1705	=item $player->ext_reply ($msgid, @msg)	1850	=item $player->ext_reply ($msgid, @msg)
1706		1851
1707	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1708		1853
…		…
1740		1885
1741	=cut	1886	=cut
1742		1887
1743	sub find_by_path($) {	1888	sub find_by_path($) {
1744	my ($path) = @_;	1889	my ($path) = @_;
		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
1745		1892
1746	my ($match, $specificity);	1893	my ($match, $specificity);
1747		1894
1748	for my $region (list) {	1895	for my $region (list) {
1749	if ($region->{match} && $path =~ $region->{match}) {	1896	if ($region->{match} && $path =~ $region->{match}) {
…		…
1775	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1776	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1777		1924
1778	sub generate_random_map {	1925	sub generate_random_map {
1779	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1780	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1781	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1782	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1783	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1784	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1785	$rmp->{exit_on_final_map},
1786	$rmp->{xsize}, $rmp->{ysize},
1787	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1788	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1789	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1790	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1791	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1792	(cf::region::find $rmp->{region}), $rmp->{custom}
1793	)
1794	}	1931	}
1795		1932
1796	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1797		1934
1798	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1803		1940
1804	sub register {	1941	sub register {
1805	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1806	my $pkg = caller;	1943	my $pkg = caller;
1807		1944
1808	no strict;
1809	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1810		1946
1811	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1812	}	1948	}
1813		1949
1814	# also paths starting with '/'	1950	# also paths starting with '/'
1815	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1816		1952
1817	sub thawer_merge {	1953	sub thawer_merge {
1818	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1819		1955
1820	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
…		…
1825	}	1961	}
1826		1962
1827	sub normalise {	1963	sub normalise {
1828	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1829		1965
1830	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1831		1967
1832	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1833		1969
1834	# map plan:	1970	# map plan:
1835	#	1971	#
…		…
1850	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1851	$path = "$base/$path";	1987	$path = "$base/$path";
1852	}	1988	}
1853		1989
1854	for ($path) {	1990	for ($path) {
1855	redo if s{//}{/};
1856	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1857	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1858	}	1993	}
1859		1994
1860	$path	1995	$path
…		…
1874	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1875	return $self;	2010	return $self;
1876	}	2011	}
1877	}	2012	}
1878		2013
1879	Carp::cluck "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1880	()	2015	()
1881	}	2016	}
1882		2017
		2018	# may re-bless or do other evil things
1883	sub init {	2019	sub init {
1884	my ($self) = @_;	2020	my ($self) = @_;
1885		2021
1886	$self	2022	$self
1887	}	2023	}
…		…
1906		2042
1907	# the temporary/swap location	2043	# the temporary/swap location
1908	sub save_path {	2044	sub save_path {
1909	my ($self) = @_;	2045	my ($self) = @_;
1910		2046
1911	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1912	"$TMPDIR/$path.map"	2048	"$TMPDIR/$path.map"
1913	}	2049	}
1914		2050
1915	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1916	sub uniq_path {	2052	sub uniq_path {
1917	my ($self) = @_;	2053	my ($self) = @_;
1918		2054
1919	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1920	"$UNIQUEDIR/$path"	2056	"$UNIQUEDIR/$path"
1921	}
1922
1923	# and all this just because we cannot iterate over
1924	# all maps in C++...
1925	sub change_all_map_light {
1926	my ($change) = @_;
1927
1928	$_->change_map_light ($change)
1929	for grep $_->outdoor, values %cf::MAP;
1930	}	2057	}
1931		2058
1932	sub decay_objects {	2059	sub decay_objects {
1933	my ($self) = @_;	2060	my ($self) = @_;
1934		2061
…		…
1961	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1962		2089
1963	1	2090	1
1964	}	2091	}
1965		2092
		2093	# used to laod the header of an original map
1966	sub load_header_orig {	2094	sub load_header_orig {
1967	my ($self) = @_;	2095	my ($self) = @_;
1968		2096
1969	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1970	}	2098	}
1971		2099
		2100	# used to laod the header of an instantiated map
1972	sub load_header_temp {	2101	sub load_header_temp {
1973	my ($self) = @_;	2102	my ($self) = @_;
1974		2103
1975	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1976	}	2105	}
1977		2106
		2107	# called after loading the header from an instantiated map
1978	sub prepare_temp {	2108	sub prepare_temp {
1979	my ($self) = @_;	2109	my ($self) = @_;
1980		2110
1981	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1982	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1983	# safety	2113	# safety
1984	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1985	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1986	}	2116	}
1987		2117
		2118	# called after loading the header from an original map
1988	sub prepare_orig {	2119	sub prepare_orig {
1989	my ($self) = @_;	2120	my ($self) = @_;
1990		2121
1991	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1992	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2016		2147
2017	sub find;	2148	sub find;
2018	sub find {	2149	sub find {
2019	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
2020		2151
		2152	cf::cede_to_tick;
		2153
2021	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
2022		2155
2023	cf::lock_wait "map_data:$path";#d#remove	2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2024	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
2025		2158
2026	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
2027	my $guard1 = cf::lock_acquire "map_find:$path";
2028	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2029
2030	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
2031	or return;	2161	or return;
2032		2162
2033	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
2034		2164
…		…
2036	or return;	2166	or return;
2037		2167
2038	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2039	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
2040	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
2041	undef $guard1;	2172	undef $guard1;
2042	undef $guard2;
2043	$map->reset;	2173	$map->reset;
2044	return find $path;	2174	return find $path;
2045	}	2175	}
2046		2176
2047	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
2048	}	2178	}
2049	}	2179	}
2050		2180
2051	sub pre_load { }	2181	sub pre_load { }
2052	sub post_load { }	2182	#sub post_load { } # XS
2053		2183
2054	sub load {	2184	sub load {
2055	my ($self) = @_;	2185	my ($self) = @_;
2056		2186
2057	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2060		2190
2061	{	2191	{
2062	my $guard = cf::lock_acquire "map_data:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
2063		2193
2064	return unless $self->valid;	2194	return unless $self->valid;
2065	return unless $self->in_memory == cf::MAP_SWAPPED;	2195	return unless $self->state == cf::MAP_SWAPPED;
2066
2067	$self->in_memory (cf::MAP_LOADING);
2068		2196
2069	$self->alloc;	2197	$self->alloc;
2070		2198
2071	$self->pre_load;	2199	$self->pre_load;
2072	cf::cede_to_tick;	2200	cf::cede_to_tick;
2073		2201
		2202	if (exists $self->{load_path}) {
2074	my $f = new_from_file cf::object::thawer $self->{load_path};	2203	my $f = new_from_file cf::object::thawer $self->{load_path};
2075	$f->skip_block;	2204	$f->skip_block;
2076	$self->_load_objects ($f)	2205	$self->_load_objects ($f)
2077	or return;	2206	or return;
2078		2207
2079	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
2080	if delete $self->{load_original};	2209	if delete $self->{load_original};
2081		2210
2082	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
2083	utf8::encode $uniq;	2212	utf8::encode $uniq;
2084	unless (aio_stat $uniq) {	2213	unless (aio_stat $uniq) {
2085	if (my $f = new_from_file cf::object::thawer $uniq) {	2214	if (my $f = new_from_file cf::object::thawer $uniq) {
2086	$self->clear_unique_items;	2215	$self->clear_unique_items;
2087	$self->_load_objects ($f);	2216	$self->_load_objects ($f);
2088	$f->resolve_delayed_derefs;	2217	$f->resolve_delayed_derefs;
		2218	}
2089	}	2219	}
2090	}	2220	}
2091	}
2092		2221
2093	$f->resolve_delayed_derefs;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
		2227
		2228	$self->state (cf::MAP_INACTIVE);
2094		2229
2095	cf::cede_to_tick;	2230	cf::cede_to_tick;
2096	# now do the right thing for maps	2231	# now do the right thing for maps
2097	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
2098	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
…		…
2102	unless ($self->{deny_activate}) {	2237	unless ($self->{deny_activate}) {
2103	$self->decay_objects;	2238	$self->decay_objects;
2104	$self->fix_auto_apply;	2239	$self->fix_auto_apply;
2105	$self->update_buttons;	2240	$self->update_buttons;
2106	cf::cede_to_tick;	2241	cf::cede_to_tick;
2107	$self->set_darkness_map;	2242	#$self->activate; # no longer activate maps automatically
2108	cf::cede_to_tick;
2109	$self->activate;
2110	}	2243	}
2111		2244
2112	$self->{last_save} = $cf::RUNTIME;	2245	$self->{last_save} = $cf::RUNTIME;
2113	$self->last_access ($cf::RUNTIME);	2246	$self->last_access ($cf::RUNTIME);
2114
2115	$self->in_memory (cf::MAP_IN_MEMORY);
2116	}	2247	}
2117		2248
2118	$self->post_load;	2249	$self->post_load;
2119	}
2120		2250
		2251	1
		2252	}
		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
2121	sub customise_for {	2257	sub customise_for {
2122	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
2123		2259
2124	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
2125	if $self->per_player;	2261	if $self->per_player;
…		…
2128	# if $self->per_party;	2264	# if $self->per_party;
2129		2265
2130	$self	2266	$self
2131	}	2267	}
2132		2268
2133	# find and load all maps in the 3x3 area around a map
2134	sub load_neighbours {
2135	my ($map) = @_;
2136
2137	my @neigh; # diagonal neighbours
2138
2139	for (0 .. 3) {
2140	my $neigh = $map->tile_path ($_)
2141	or next;
2142	$neigh = find $neigh, $map
2143	or next;
2144	$neigh->load;
2145
2146	push @neigh,
2147	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2148	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2149	}
2150
2151	for (grep defined $_->[0], @neigh) {
2152	my ($path, $origin) = @$_;
2153	my $neigh = find $path, $origin
2154	or next;
2155	$neigh->load;
2156	}
2157	}
2158
2159	sub find_sync {	2269	sub find_sync {
2160	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
2161		2271
2162	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
2163	}	2277	}
2164		2278
2165	sub do_load_sync {	2279	sub do_load_sync {
2166	my ($map) = @_;	2280	my ($map) = @_;
2167		2281
		2282	# it's a bug to call this from the main context
2168	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2169	if $Coro::current == $Coro::main;	2284	if $Coro::current == $Coro::main;
2170		2285
2171	cf::sync_job { $map->load };	2286	$map->load;
2172	}	2287	}
2173		2288
2174	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
2175	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
2176		2291
2177	sub find_async {	2292	sub find_async {
2178	my ($path, $origin, $load) = @_;	2293	my ($path, $origin, $load) = @_;
2179		2294
2180	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
2181		2296
2182	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
2183	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
2184	}	2299	}
2185		2300
2186	$MAP_PREFETCH{$path} |= $load;	2301	$MAP_PREFETCH{$path} |= $load;
2187		2302
2188	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
…		…
2202	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
2203		2318
2204	()	2319	()
2205	}	2320	}
2206		2321
		2322	# common code, used by both ->save and ->swapout
2207	sub save {	2323	sub _save {
2208	my ($self) = @_;	2324	my ($self) = @_;
2209
2210	my $lock = cf::lock_acquire "map_data:$self->{path}";
2211		2325
2212	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
2213		2327
2214	return unless $self->dirty;	2328	return unless $self->dirty;
2215		2329
…		…
2224		2338
2225	cf::async {	2339	cf::async {
2226	$Coro::current->{desc} = "map player save";	2340	$Coro::current->{desc} = "map player save";
2227	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
2228	};	2342	};
		2343
		2344	cf::get_slot 0.02;
2229		2345
2230	if ($uniq) {	2346	if ($uniq) {
2231	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2232	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2233	} else {	2349	} else {
2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2235	}	2351	}
2236	}	2352	}
2237		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
2238	sub swap_out {	2362	sub swap_out {
2239	my ($self) = @_;	2363	my ($self) = @_;
2240		2364
2241	# save first because save cedes
2242	$self->save;
2243
2244	my $lock = cf::lock_acquire "map_data:$self->{path}";	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
2245		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
2246	return if $self->players;	2369	return if $self->players;
2247	return if $self->in_memory != cf::MAP_IN_MEMORY;	2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
		2380	$self->clear;
		2381	}
		2382
		2383	sub reset_at {
		2384	my ($self) = @_;
		2385
		2386	# TODO: safety, remove and allow resettable per-player maps
2248	return if $self->{deny_save};	2387	return 1e99 if $self->{deny_reset};
2249		2388
		2389	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2390	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2391
		2392	$time + $to
		2393	}
		2394
		2395	sub should_reset {
		2396	my ($self) = @_;
		2397
		2398	$self->reset_at <= $cf::RUNTIME
		2399	}
		2400
		2401	sub reset {
		2402	my ($self) = @_;
		2403
		2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2405
		2406	return if $self->players;
		2407
		2408	cf::trace "resetting map ", $self->path, "\n";
		2409
2250	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
		2411
		2412	# need to save uniques path
		2413	unless ($self->{deny_save}) {
		2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2415
		2416	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2417	if $uniq;
		2418	}
		2419
		2420	delete $cf::MAP{$self->path};
2251		2421
2252	$self->deactivate;	2422	$self->deactivate;
2253	$_->clear_links_to ($self) for values %cf::MAP;	2423	$_->clear_links_to ($self) for values %cf::MAP;
2254	$self->clear;	2424	$self->clear;
2255	}
2256
2257	sub reset_at {
2258	my ($self) = @_;
2259
2260	# TODO: safety, remove and allow resettable per-player maps
2261	return 1e99 if $self->{deny_reset};
2262
2263	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2264	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2265
2266	$time + $to
2267	}
2268
2269	sub should_reset {
2270	my ($self) = @_;
2271
2272	$self->reset_at <= $cf::RUNTIME
2273	}
2274
2275	sub reset {
2276	my ($self) = @_;
2277
2278	my $lock = cf::lock_acquire "map_data:$self->{path}";
2279
2280	return if $self->players;
2281
2282	warn "resetting map ", $self->path;
2283
2284	$self->in_memory (cf::MAP_SWAPPED);
2285
2286	# need to save uniques path
2287	unless ($self->{deny_save}) {
2288	my $uniq = $self->uniq_path; utf8::encode $uniq;
2289
2290	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2291	if $uniq;
2292	}
2293
2294	delete $cf::MAP{$self->path};
2295
2296	$self->deactivate;
2297	$_->clear_links_to ($self) for values %cf::MAP;
2298	$self->clear;
2299		2425
2300	$self->unlink_save;	2426	$self->unlink_save;
2301	$self->destroy;	2427	$self->destroy;
2302	}	2428	}
2303		2429
…		…
2311		2437
2312	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
2313		2439
2314	$self->unlink_save;	2440	$self->unlink_save;
2315		2441
2316	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
2317	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
2318	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
2319	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
2320	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2321		2447
…		…
2370		2496
2371	sub unique_maps() {	2497	sub unique_maps() {
2372	[	2498	[
2373	map {	2499	map {
2374	utf8::decode $_;	2500	utf8::decode $_;
2375	/\.map$/	2501	s/\.map$//; # TODO future compatibility hack
		2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2503	? ()
2376	? normalise $_	2504	: normalise $_
2377	: ()
2378	} @{ aio_readdir $UNIQUEDIR or [] }	2505	} @{ aio_readdir $UNIQUEDIR or [] }
2379	]	2506	]
2380	}	2507	}
2381		2508
		2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
		2540
2382	=back	2541	=back
2383		2542
2384	=head3 cf::object	2543	=head3 cf::object
2385		2544
2386	=cut	2545	=cut
…		…
2389		2548
2390	=over 4	2549	=over 4
2391		2550
2392	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
2393		2552
2394	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
2395		2555
2396	=cut	2556	=cut
2397		2557
2398	sub inv_recursive_;	2558	sub inv_recursive_;
2399	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
2404	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
2405	}	2565	}
2406		2566
2407	=item $ref = $ob->ref	2567	=item $ref = $ob->ref
2408		2568
2409	creates and returns a persistent reference to an objetc that can be stored as a string.	2569	Creates and returns a persistent reference to an object that can be stored as a string.
2410		2570
2411	=item $ob = cf::object::deref ($refstring)	2571	=item $ob = cf::object::deref ($refstring)
2412		2572
2413	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2414	even if the object actually exists. May block.	2574	even if the object actually exists. May block.
…		…
2446	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
2447	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
2448		2608
2449	=cut	2609	=cut
2450		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
		2624
2451	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
2452	# with dialog boxes.	2626	# with dialog boxes.
2453	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
2454	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
2455	my ($self, $npc, $msg, $flags) = @_;	2629	my ($self, $npc, $msg, $flags) = @_;
…		…
2466	my $dialog = $pl->{npc_dialog};	2640	my $dialog = $pl->{npc_dialog};
2467	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2468		2642
2469	} else {	2643	} else {
2470	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
2471	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2472	}	2646	}
2473	}	2647	}
2474	}	2648	}
2475		2649
2476	=item $object->send_msg ($channel, $msg, $color, [extra...])	2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2501		2675
2502	=item $player_object->enter_link	2676	=item $player_object->enter_link
2503		2677
2504	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
2505		2679
2506	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
2507	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
2508		2684
2509	Will never block.	2685	Will never block.
2510		2686
2511	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
2512		2688
…		…
2532	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
2533	my ($self) = @_;	2709	my ($self) = @_;
2534		2710
2535	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
2536		2712
		2713	++$self->{_link_recursion};
		2714
2537	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
2538		2716
2539	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2540	if $self->map && $self->map->{path} ne "{link}";	2718	if $self->map && $self->map->{path} ne "{link}";
2541		2719
2542	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2543	}	2721	}
2544		2722
2545	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
2546	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
2547		2725
…		…
2564	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
2565	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
2566		2744
2567	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
2568	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
2569	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
2570		2748
2571	$map->load;	2749	$map->load;
2572	$map->load_neighbours;
2573		2750
2574	return unless $self->contr->active;	2751	return unless $self->contr->active;
2575	$self->activate_recursive;
2576		2752
2577	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2578	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
2579	}	2755	# entering was successful
		2756	delete $self->{_link_recursion};
		2757	# only activate afterwards, to support waiting in hooks
		2758	$self->activate_recursive;
		2759	}
2580		2760
		2761	}
		2762
2581	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2582		2764
2583	Moves the player to the given map-path and coordinates by first freezing	2765	Moves the player to the given map-path and coordinates by first freezing
2584	her, loading and preparing them map, calling the provided $check callback	2766	her, loading and preparing them map, calling the provided $check callback
2585	that has to return the map if sucecssful, and then unfreezes the player on	2767	that has to return the map if sucecssful, and then unfreezes the player on
2586	the new (success) or old (failed) map position. In either case, $done will	2768	the new (success) or old (failed) map position. In either case, $done will
2587	be called at the end of this process.	2769	be called at the end of this process.
2588		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
2589	=cut	2774	=cut
2590		2775
2591	our $GOTOGEN;	2776	our $GOTOGEN;
2592		2777
2593	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
2594	my ($self, $path, $x, $y, $check, $done) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
2595		2786
2596	# do generation counting so two concurrent goto's will be executed in-order	2787	# do generation counting so two concurrent goto's will be executed in-order
2597	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2598		2789
2599	$self->enter_link;	2790	$self->enter_link;
…		…
2619	($path, $x, $y) = (undef, undef, undef);	2810	($path, $x, $y) = (undef, undef, undef);
2620	}	2811	}
2621	}	2812	}
2622		2813
2623	my $map = eval {	2814	my $map = eval {
2624	my $map = defined $path ? cf::map::find $path : undef;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2625		2816
2626	if ($map) {	2817	if ($map) {
2627	$map = $map->customise_for ($self);	2818	$map = $map->customise_for ($self);
2628	$map = $check->($map) if $check && $map;	2819	$map = $check->($map, $x, $y, $self) if $check && $map;
2629	} else {	2820	} else {
2630	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2631	}	2822	}
2632		2823
2633	$map	2824	$map
…		…
2641	if ($gen == $self->{_goto_generation}) {	2832	if ($gen == $self->{_goto_generation}) {
2642	delete $self->{_goto_generation};	2833	delete $self->{_goto_generation};
2643	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
2644	}	2835	}
2645		2836
2646	$done->() if $done;	2837	$done->($self) if $done;
2647	})->prio (1);	2838	})->prio (1);
2648	}	2839	}
2649		2840
2650	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
2651		2842
…		…
2671	}	2862	}
2672		2863
2673	sub prepare_random_map {	2864	sub prepare_random_map {
2674	my ($exit) = @_;	2865	my ($exit) = @_;
2675		2866
2676	my $guard = cf::lock_acquire "exit_prepare:$exit";
2677
2678	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
2679	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
2680	# that depends on the exit object	2869	# that depends on the exit object
2681		2870
2682	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
2684	if ($exit->map) {	2873	if ($exit->map) {
2685	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
2686	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
2687	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
2688	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
2689	}	2880	}
2690		2881
2691	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
2692		2883
2693	my $data = cf::encode_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2694	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
2695	my $meta = "$RANDOMDIR/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
2696		2887
2697	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2698	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
2699	undef $fh;	2890	undef $fh;
2700	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
2701		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
2702	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
2703	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
2704	}	2899	}
2705	}	2900	}
2706		2901
2707	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
2708	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
2709		2904
2710	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
2711		2906
2712	if ($exit->slaying eq "/!") {
2713	#TODO: this should de-fi-ni-te-ly not be a sync-job
2714	# the problem is that $exit might not survive long enough
2715	# so it needs to be done right now, right here
2716	cf::sync_job { prepare_random_map $exit };
2717	}
2718
2719	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2720	my $hp = $exit->stats->hp;
2721	my $sp = $exit->stats->sp;
2722
2723	$self->enter_link;	2907	$self->enter_link;
2724		2908
2725	# if exit is damned, update players death & WoR home-position
2726	$self->contr->savebed ($slaying, $hp, $sp)
2727	if $exit->flag (FLAG_DAMNED);
2728
2729	(async {	2909	(async {
2730	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2910	$Coro::current->{desc} = "enter_exit";
2731		2911
2732	$self->deactivate_recursive; # just to be sure
2733	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
2734	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
2735		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
2736	1;	2948	1
2737	}) {	2949	}) {
2738	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
2739	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
2740	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
2741	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
2742		2954
2743	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
2744	$self->leave_link;	2956	$self->leave_link;
2745	}	2957	}
2746	})->prio (1);	2958	})->prio (1);
2747	}	2959	}
2748		2960
…		…
2760	sub cf::client::send_drawinfo {	2972	sub cf::client::send_drawinfo {
2761	my ($self, $text, $flags) = @_;	2973	my ($self, $text, $flags) = @_;
2762		2974
2763	utf8::encode $text;	2975	utf8::encode $text;
2764	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2977	}
		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
2765	}	3002	}
2766		3003
2767	=item $client->send_msg ($channel, $msg, $color, [extra...])	3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
2768		3005
2769	Send a drawinfo or msg packet to the client, formatting the msg for the	3006	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2773		3010
2774	=cut	3011	=cut
2775		3012
2776	# non-persistent channels (usually the info channel)	3013	# non-persistent channels (usually the info channel)
2777	our %CHANNEL = (	3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
2778	"c/identify" => {	3021	"c/identify" => {
2779	id => "infobox",	3022	id => "infobox",
2780	title => "Identify",	3023	title => "Identify",
2781	reply => undef,	3024	reply => undef,
2782	tooltip => "Items recently identified",	3025	tooltip => "Items recently identified",
…		…
2784	"c/examine" => {	3027	"c/examine" => {
2785	id => "infobox",	3028	id => "infobox",
2786	title => "Examine",	3029	title => "Examine",
2787	reply => undef,	3030	reply => undef,
2788	tooltip => "Signs and other items you examined",	3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
2789	},	3038	},
2790	"c/book" => {	3039	"c/book" => {
2791	id => "infobox",	3040	id => "infobox",
2792	title => "Book",	3041	title => "Book",
2793	reply => undef,	3042	reply => undef,
…		…
2809	id => "infobox",	3058	id => "infobox",
2810	title => "Body Parts",	3059	title => "Body Parts",
2811	reply => undef,	3060	reply => undef,
2812	tooltip => "Shows which body parts you posess and are available",	3061	tooltip => "Shows which body parts you posess and are available",
2813	},	3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
2814	"c/uptime" => {	3099	"c/uptime" => {
2815	id => "infobox",	3100	id => "infobox",
2816	title => "Uptime",	3101	title => "Uptime",
2817	reply => undef,	3102	reply => undef,
2818	tooltip => "How long the server has been running since last restart",	3103	tooltip => "How long the server has been running since last restart",
…		…
2821	id => "infobox",	3106	id => "infobox",
2822	title => "Map Info",	3107	title => "Map Info",
2823	reply => undef,	3108	reply => undef,
2824	tooltip => "Information related to the maps",	3109	tooltip => "Information related to the maps",
2825	},	3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
2826	);	3125	);
2827		3126
2828	sub cf::client::send_msg {	3127	sub cf::client::send_msg {
2829	my ($self, $channel, $msg, $color, @extra) = @_;	3128	my ($self, $channel, $msg, $color, @extra) = @_;
2830		3129
2831	$msg = $self->pl->expand_cfpod ($msg);	3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
2832		3132
2833	$color &= cf::NDI_CLIENT_MASK; # just in case...	3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
2834		3134
2835	# check predefined channels, for the benefit of C	3135	# check predefined channels, for the benefit of C
2836	if ($CHANNEL{$channel}) {	3136	if ($CHANNEL{$channel}) {
2837	$channel = $CHANNEL{$channel};	3137	$channel = $CHANNEL{$channel};
2838		3138
2839	$self->ext_msg (channel_info => $channel)	3139	$self->ext_msg (channel_info => $channel);
2840	if $self->can_msg;
2841
2842	$channel = $channel->{id};	3140	$channel = $channel->{id};
2843		3141
2844	} elsif (ref $channel) {	3142	} elsif (ref $channel) {
2845	# send meta info to client, if not yet sent	3143	# send meta info to client, if not yet sent
2846	unless (exists $self->{channel}{$channel->{id}}) {	3144	unless (exists $self->{channel}{$channel->{id}}) {
2847	$self->{channel}{$channel->{id}} = $channel;	3145	$self->{channel}{$channel->{id}} = $channel;
2848	$self->ext_msg (channel_info => $channel)	3146	$self->ext_msg (channel_info => $channel);
2849	if $self->can_msg;
2850	}	3147	}
2851		3148
2852	$channel = $channel->{id};	3149	$channel = $channel->{id};
2853	}	3150	}
2854		3151
2855	return unless @extra || length $msg;	3152	return unless @extra || length $msg;
2856		3153
2857	if ($self->can_msg) {
2858	# default colour, mask it out	3154	# default colour, mask it out
2859	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2860	if $color & cf::NDI_DEF;	3156	if $color & cf::NDI_DEF;
2861		3157
2862	$self->send_packet ("msg " . $self->{json_coder}->encode (	3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
2863	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2864	} else {	3161	);
2865	if ($color >= 0) {
2866	# replace some tags by gcfclient-compatible ones
2867	for ($msg) {
2868	1 while
2869	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2870	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2871	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2872	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2873	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2874	}
2875		3162
2876	$color &= cf::NDI_COLOR_MASK;	3163	$self->send_big_packet ($pkt);
2877
2878	utf8::encode $msg;
2879
2880	if (0 && $msg =~ /\[/) {
2881	# COMMAND/INFO
2882	$self->send_packet ("drawextinfo $color 10 8 $msg")
2883	} else {
2884	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2885	$self->send_packet ("drawinfo $color $msg")
2886	}
2887	}
2888	}
2889	}	3164	}
2890		3165
2891	=item $client->ext_msg ($type, @msg)	3166	=item $client->ext_msg ($type, @msg)
2892		3167
2893	Sends an ext event to the client.	3168	Sends an ext event to the client.
…		…
2896		3171
2897	sub cf::client::ext_msg($$@) {	3172	sub cf::client::ext_msg($$@) {
2898	my ($self, $type, @msg) = @_;	3173	my ($self, $type, @msg) = @_;
2899		3174
2900	if ($self->extcmd == 2) {	3175	if ($self->extcmd == 2) {
2901	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2902	} elsif ($self->extcmd == 1) { # TODO: remove	3177	} elsif ($self->extcmd == 1) { # TODO: remove
2903	push @msg, msgtype => "event_$type";	3178	push @msg, msgtype => "event_$type";
2904	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2905	}	3180	}
2906	}	3181	}
2907		3182
2908	=item $client->ext_reply ($msgid, @msg)	3183	=item $client->ext_reply ($msgid, @msg)
2909		3184
…		…
2912	=cut	3187	=cut
2913		3188
2914	sub cf::client::ext_reply($$@) {	3189	sub cf::client::ext_reply($$@) {
2915	my ($self, $id, @msg) = @_;	3190	my ($self, $id, @msg) = @_;
2916		3191
2917	if ($self->extcmd == 2) {	3192	return unless $self->extcmd == 2;
		3193
2918	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2919	} elsif ($self->extcmd == 1) {
2920	#TODO: version 1, remove
2921	unshift @msg, msgtype => "reply", msgid => $id;
2922	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2923	}
2924	}	3195	}
2925		3196
2926	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2927		3198
2928	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
…		…
2983	my ($ns, $buf) = @_;	3254	my ($ns, $buf) = @_;
2984		3255
2985	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2986		3257
2987	if (ref $msg) {	3258	if (ref $msg) {
2988	my ($type, $reply, @payload) =	3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2989	"ARRAY" eq ref $msg
2990	? @$msg
2991	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2992		3260
2993	my @reply;	3261	my @reply;
2994		3262
2995	if (my $cb = $EXTICMD{$type}) {	3263	if (my $cb = $EXTICMD{$type}) {
2996	@reply = $cb->($ns, @payload);	3264	@reply = $cb->($ns, @payload);
…		…
2998		3266
2999	$ns->ext_reply ($reply, @reply)	3267	$ns->ext_reply ($reply, @reply)
3000	if $reply;	3268	if $reply;
3001		3269
3002	} else {	3270	} else {
3003	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3004	}	3272	}
3005		3273
3006	cf::override;	3274	cf::override;
3007	},	3275	},
3008	);	3276	);
…		…
3028		3296
3029	$coro	3297	$coro
3030	}	3298	}
3031		3299
3032	cf::client->attach (	3300	cf::client->attach (
3033	on_destroy => sub {	3301	on_client_destroy => sub {
3034	my ($ns) = @_;	3302	my ($ns) = @_;
3035		3303
3036	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3037	},	3305	},
3038	);	3306	);
…		…
3054	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
3055		3323
3056	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
3057		3325
3058	$safe->permit_only (Opcode::opset qw(	3326	$safe->permit_only (Opcode::opset qw(
3059	:base_core :base_mem :base_orig :base_math	3327	:base_core :base_mem :base_orig :base_math :base_loop
3060	grepstart grepwhile mapstart mapwhile	3328	grepstart grepwhile mapstart mapwhile
3061	sort time	3329	sort time
3062	));	3330	));
3063		3331
3064	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
…		…
3067		3335
3068	The following functions and methods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
3069		3337
3070	cf::object	3338	cf::object
3071	contr pay_amount pay_player map x y force_find force_add destroy	3339	contr pay_amount pay_player map x y force_find force_add destroy
3072	insert remove name archname title slaying race decrease_ob_nr	3340	insert remove name archname title slaying race decrease split
		3341	value
3073		3342
3074	cf::object::player	3343	cf::object::player
3075	player	3344	player
3076		3345
3077	cf::player	3346	cf::player
…		…
3082		3351
3083	=cut	3352	=cut
3084		3353
3085	for (	3354	for (
3086	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3087	insert remove inv name archname title slaying race	3356	insert remove inv nrof name archname title slaying race
3088	decrease_ob_nr destroy)],	3357	decrease split destroy change_exp value msg lore send_msg)],
3089	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
3090	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
3091	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
3092	) {	3361	) {
3093	no strict 'refs';
3094	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
3095	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3096	for @funs;	3364	for @funs;
3097	}	3365	}
3098		3366
…		…
3113		3381
3114	my $qcode = $code;	3382	my $qcode = $code;
3115	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3116	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
3117		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
3118	local $_;	3389	local $_;
3119	local @safe::cf::_safe_eval_args = values %vars;
3120		3390
3121	my $eval =	3391	my $eval =
3122	"do {\n"	3392	"do {\n"
3123	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3124	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
3125	. $code	3395	. $code
3126	. "\n}"	3396	. "\n}"
3127	;	3397	;
3128		3398
		3399	if ($CFG{safe_eval}) {
3129	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
3130	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3131	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
3132		3408
3133	if ($@) {	3409	if ($@) {
3134	warn "$@";	3410	warn "$@",
3135	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
3136	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
3137	}	3413	}
3138		3414
3139	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
3140	}	3416	}
3141		3417
…		…
3155	=cut	3431	=cut
3156		3432
3157	sub register_script_function {	3433	sub register_script_function {
3158	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
3159		3435
3160	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
3161	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
3162	}	3438	}
3163		3439
3164	=back	3440	=back
3165		3441
3166	=cut	3442	=cut
…		…
3175	# for this (global event?)	3451	# for this (global event?)
3176	%ext::player_env::MUSIC_FACE_CACHE = ();	3452	%ext::player_env::MUSIC_FACE_CACHE = ();
3177		3453
3178	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3179		3455
3180	warn "loading facedata from $path\n";	3456	trace "loading facedata from $path\n";
3181		3457
3182	my $facedata;	3458	my $facedata = decode_storable load_file $path;
3183	0 < aio_load $path, $facedata
3184	or die "$path: $!";
3185
3186	$facedata = Coro::Storable::thaw $facedata;
3187		3459
3188	$facedata->{version} == 2	3460	$facedata->{version} == 2
3189	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
3190		3462
3191	# patch in the exptable	3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3192	$facedata->{resource}{"res/exp_table"} = {	3465	$facedata->{resource}{"res/exp_table"} = {
3193	type => FT_RSRC,	3466	type => FT_RSRC,
3194	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
3195	};	3469	};
3196	cf::cede_to_tick;	3470	cf::cede_to_tick;
3197		3471
3198	{	3472	{
3199	my $faces = $facedata->{faceinfo};	3473	my $faces = $facedata->{faceinfo};
…		…
3201	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
3202	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3203		3477
3204	cf::face::set_visibility $idx, $info->{visibility};	3478	cf::face::set_visibility $idx, $info->{visibility};
3205	cf::face::set_magicmap $idx, $info->{magicmap};	3479	cf::face::set_magicmap $idx, $info->{magicmap};
3206	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3207	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3208		3483
3209	cf::cede_to_tick;	3484	cf::cede_to_tick;
3210	}	3485	}
3211		3486
3212	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
…		…
3217		3492
3218	if (my $smooth = cf::face::find $info->{smooth}) {	3493	if (my $smooth = cf::face::find $info->{smooth}) {
3219	cf::face::set_smooth $idx, $smooth;	3494	cf::face::set_smooth $idx, $smooth;
3220	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3221	} else {	3496	} else {
3222	warn "smooth face '$info->{smooth}' not found for face '$face'";	3497	error "smooth face '$info->{smooth}' not found for face '$face'";
3223	}	3498	}
3224		3499
3225	cf::cede_to_tick;	3500	cf::cede_to_tick;
3226	}	3501	}
3227	}	3502	}
…		…
3236		3511
3237	cf::anim::invalidate_all; # d'oh	3512	cf::anim::invalidate_all; # d'oh
3238	}	3513	}
3239		3514
3240	{	3515	{
3241	# TODO: for gcfclient pleasure, we should give resources
3242	# that gcfclient doesn't grok a >10000 face index.
3243	my $res = $facedata->{resource};	3516	my $res = $facedata->{resource};
3244		3517
3245	while (my ($name, $info) = each %$res) {	3518	while (my ($name, $info) = each %$res) {
3246	if (defined $info->{type}) {	3519	if (defined $info->{type}) {
3247	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3520	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3248	my $data;
3249		3521
3250	if ($info->{type} & 1) {	3522	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3251	# prepend meta info
3252
3253	my $meta = $enc->encode ({
3254	name => $name,
3255	%{ $info->{meta} || {} },
3256	});
3257
3258	$data = pack "(w/a*)*", $meta, $info->{data};
3259	} else {
3260	$data = $info->{data};
3261	}
3262
3263	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3264	cf::face::set_type $idx, $info->{type};	3523	cf::face::set_type $idx, $info->{type};
3265	} else {	3524	} else {
3266	$RESOURCE{$name} = $info;	3525	$RESOURCE{$name} = $info; # unused
3267	}	3526	}
3268		3527
3269	cf::cede_to_tick;	3528	cf::cede_to_tick;
3270	}	3529	}
3271	}	3530	}
3272		3531
3273	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3532	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3274		3533
3275	1	3534	1
3276	}	3535	}
3277
3278	cf::global->attach (on_resource_update => sub {
3279	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3280	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3281
3282	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3283	my $sound = $soundconf->{compat}[$_]
3284	or next;
3285
3286	my $face = cf::face::find "sound/$sound->[1]";
3287	cf::sound::set $sound->[0] => $face;
3288	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3289	}
3290
3291	while (my ($k, $v) = each %{$soundconf->{event}}) {
3292	my $face = cf::face::find "sound/$v";
3293	cf::sound::set $k => $face;
3294	}
3295	}
3296	});
3297		3536
3298	register_exticmd fx_want => sub {	3537	register_exticmd fx_want => sub {
3299	my ($ns, $want) = @_;	3538	my ($ns, $want) = @_;
3300		3539
3301	while (my ($k, $v) = each %$want) {	3540	while (my ($k, $v) = each %$want) {
3302	$ns->fx_want ($k, $v);	3541	$ns->fx_want ($k, $v);
3303	}	3542	}
3304	};	3543	};
		3544
		3545	sub load_resource_file($) {
		3546	my $guard = lock_acquire "load_resource_file";
		3547
		3548	my $status = load_resource_file_ $_[0];
		3549	get_slot 0.1, 100;
		3550	cf::arch::commit_load;
		3551
		3552	$status
		3553	}
3305		3554
3306	sub reload_regions {	3555	sub reload_regions {
3307	# HACK to clear player env face cache, we need some signal framework	3556	# HACK to clear player env face cache, we need some signal framework
3308	# for this (global event?)	3557	# for this (global event?)
3309	%ext::player_env::MUSIC_FACE_CACHE = ();	3558	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3323	}	3572	}
3324		3573
3325	sub reload_archetypes {	3574	sub reload_archetypes {
3326	load_resource_file "$DATADIR/archetypes"	3575	load_resource_file "$DATADIR/archetypes"
3327	or die "unable to load archetypes\n";	3576	or die "unable to load archetypes\n";
3328	#d# NEED to laod twice to resolve forward references
3329	# this really needs to be done in an extra post-pass
3330	# (which needs to be synchronous, so solve it differently)
3331	load_resource_file "$DATADIR/archetypes"
3332	or die "unable to load archetypes\n";
3333	}	3577	}
3334		3578
3335	sub reload_treasures {	3579	sub reload_treasures {
3336	load_resource_file "$DATADIR/treasures"	3580	load_resource_file "$DATADIR/treasures"
3337	or die "unable to load treasurelists\n";	3581	or die "unable to load treasurelists\n";
3338	}	3582	}
3339		3583
		3584	sub reload_sound {
		3585	trace "loading sound config from $DATADIR/sound\n";
		3586
		3587	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3588
		3589	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3590	my $sound = $soundconf->{compat}[$_]
		3591	or next;
		3592
		3593	my $face = cf::face::find "sound/$sound->[1]";
		3594	cf::sound::set $sound->[0] => $face;
		3595	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3596	}
		3597
		3598	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3599	my $face = cf::face::find "sound/$v";
		3600	cf::sound::set $k => $face;
		3601	}
		3602	}
		3603
3340	sub reload_resources {	3604	sub reload_resources {
3341	warn "reloading resource files...\n";	3605	trace "reloading resource files...\n";
3342		3606
		3607	reload_exp_table;
		3608	reload_materials;
		3609	reload_facedata;
		3610	reload_sound;
		3611	reload_archetypes;
3343	reload_regions;	3612	reload_regions;
3344	reload_facedata;
3345	#reload_archetypes;#d#
3346	reload_archetypes;
3347	reload_treasures;	3613	reload_treasures;
3348		3614
3349	warn "finished reloading resource files\n";	3615	trace "finished reloading resource files\n";
3350	}
3351
3352	sub init {
3353	reload_resources;
3354	}	3616	}
3355		3617
3356	sub reload_config {	3618	sub reload_config {
3357	open my $fh, "<:utf8", "$CONFDIR/config"	3619	trace "reloading config file...\n";
3358	or return;
3359		3620
3360	local $/;	3621	my $config = load_file "$CONFDIR/config";
3361	*CFG = YAML::Load <$fh>;	3622	utf8::decode $config;
		3623	*CFG = decode_yaml $config;
3362		3624
3363	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3625	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3364		3626
3365	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3627	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3366	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3628	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3367		3629
3368	if (exists $CFG{mlockall}) {	3630	if (exists $CFG{mlockall}) {
…		…
3372	};	3634	};
3373	warn $@ if $@;	3635	warn $@ if $@;
3374	}	3636	}
3375	}	3637	}
3376		3638
		3639	sub pidfile() {
		3640	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3641	or die "$PIDFILE: $!";
		3642	flock $fh, &Fcntl::LOCK_EX
		3643	or die "$PIDFILE: flock: $!";
		3644	$fh
		3645	}
		3646
		3647	# make sure only one server instance is running at any one time
		3648	sub atomic {
		3649	my $fh = pidfile;
		3650
		3651	my $pid = <$fh>;
		3652	kill 9, $pid if $pid > 0;
		3653
		3654	seek $fh, 0, 0;
		3655	print $fh $$;
		3656	}
		3657
		3658	sub main_loop {
		3659	trace "EV::loop starting\n";
		3660	if (1) {
		3661	EV::loop;
		3662	}
		3663	trace "EV::loop returned\n";
		3664	goto &main_loop unless $REALLY_UNLOOP;
		3665	}
		3666
3377	sub main {	3667	sub main {
		3668	cf::init_globals; # initialise logging
		3669
		3670	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3671	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3672	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3673	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3674
		3675	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3676
3378	# we must not ever block the main coroutine	3677	# we must not ever block the main coroutine
3379	local $Coro::idle = sub {	3678	local $Coro::idle = sub {
3380	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3679	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3381	(async {	3680	(async {
3382	$Coro::current->{desc} = "IDLE BUG HANDLER";	3681	$Coro::current->{desc} = "IDLE BUG HANDLER";
3383	EV::loop EV::LOOP_ONESHOT;	3682	EV::loop EV::LOOP_ONESHOT;
3384	})->prio (Coro::PRIO_MAX);	3683	})->prio (Coro::PRIO_MAX);
3385	};	3684	};
3386		3685
3387	reload_config;
3388	db_init;
3389	load_extensions;
3390
3391	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3392	evthread_start IO::AIO::poll_fileno;	3686	evthread_start IO::AIO::poll_fileno;
3393	EV::loop;	3687
		3688	cf::sync_job {
		3689	cf::incloader::init ();
		3690
		3691	cf::init_anim;
		3692	cf::init_attackmess;
		3693	cf::init_dynamic;
		3694
		3695	cf::load_settings;
		3696
		3697	reload_resources;
		3698	reload_config;
		3699	db_init;
		3700
		3701	cf::init_uuid;
		3702	cf::init_signals;
		3703	cf::init_skills;
		3704
		3705	cf::init_beforeplay;
		3706
		3707	atomic;
		3708
		3709	load_extensions;
		3710
		3711	utime time, time, $RUNTIMEFILE;
		3712
		3713	# no (long-running) fork's whatsoever before this point(!)
		3714	use POSIX ();
		3715	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3716
		3717	cf::_post_init 0;
		3718	};
		3719
		3720	cf::object::thawer::errors_are_fatal 0;
		3721	info "parse errors in files are no longer fatal from this point on.\n";
		3722
		3723	AE::postpone {
		3724	undef &main; # free gobs of memory :)
		3725	};
		3726
		3727	goto &main_loop;
3394	}	3728	}
3395		3729
3396	#############################################################################	3730	#############################################################################
3397	# initialisation and cleanup	3731	# initialisation and cleanup
3398		3732
3399	# install some emergency cleanup handlers	3733	# install some emergency cleanup handlers
3400	BEGIN {	3734	BEGIN {
3401	our %SIGWATCHER = ();	3735	our %SIGWATCHER = ();
3402	for my $signal (qw(INT HUP TERM)) {	3736	for my $signal (qw(INT HUP TERM)) {
3403	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3737	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3404	cf::cleanup "SIG$signal";	3738	cf::cleanup "SIG$signal";
3405	};	3739	};
3406	}	3740	}
3407	}	3741	}
3408		3742
3409	sub write_runtime {	3743	sub write_runtime_sync {
3410	my $runtime = "$LOCALDIR/runtime";	3744	my $t0 = AE::time;
3411		3745
3412	# first touch the runtime file to show we are still running:	3746	# first touch the runtime file to show we are still running:
3413	# the fsync below can take a very very long time.	3747	# the fsync below can take a very very long time.
3414		3748
3415	IO::AIO::aio_utime $runtime, undef, undef;	3749	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3416		3750
3417	my $guard = cf::lock_acquire "write_runtime";	3751	my $guard = cf::lock_acquire "write_runtime";
3418		3752
3419	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3753	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3420	or return;	3754	or return;
3421		3755
3422	my $value = $cf::RUNTIME + 90 + 10;	3756	my $value = $cf::RUNTIME + 90 + 10;
3423	# 10 is the runtime save interval, for a monotonic clock	3757	# 10 is the runtime save interval, for a monotonic clock
3424	# 60 allows for the watchdog to kill the server.	3758	# 60 allows for the watchdog to kill the server.
…		…
3434	aio_utime $fh, undef, undef;	3768	aio_utime $fh, undef, undef;
3435		3769
3436	close $fh	3770	close $fh
3437	or return;	3771	or return;
3438		3772
3439	aio_rename "$runtime~", $runtime	3773	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3440	and return;	3774	and return;
3441		3775
3442	warn "runtime file written.\n";	3776	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3443		3777
3444	1	3778	1
3445	}	3779	}
3446		3780
3447	our $uuid_lock;	3781	our $uuid_lock;
…		…
3456	my $uuid = "$LOCALDIR/uuid";	3790	my $uuid = "$LOCALDIR/uuid";
3457		3791
3458	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3792	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3459	or return;	3793	or return;
3460		3794
3461	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3795	my $value = uuid_seq uuid_cur;
		3796
		3797	unless ($value) {
		3798	info "cowardly refusing to write zero uuid value!\n";
		3799	return;
		3800	}
		3801
		3802	my $value = uuid_str $value + $uuid_skip;
3462	$uuid_skip = 0;	3803	$uuid_skip = 0;
3463		3804
3464	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3805	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3465	and return;	3806	and return;
3466		3807
…		…
3472	or return;	3813	or return;
3473		3814
3474	aio_rename "$uuid~", $uuid	3815	aio_rename "$uuid~", $uuid
3475	and return;	3816	and return;
3476		3817
3477	warn "uuid file written ($value).\n";	3818	trace "uuid file written ($value).\n";
3478		3819
3479	1	3820	1
3480		3821
3481	}	3822	}
3482		3823
…		…
3488	}	3829	}
3489		3830
3490	sub emergency_save() {	3831	sub emergency_save() {
3491	my $freeze_guard = cf::freeze_mainloop;	3832	my $freeze_guard = cf::freeze_mainloop;
3492		3833
3493	warn "enter emergency perl save\n";	3834	info "emergency_perl_save: enter\n";
		3835
		3836	# this is a trade-off: we want to be very quick here, so
		3837	# save all maps without fsync, and later call a global sync
		3838	# (which in turn might be very very slow)
		3839	local $USE_FSYNC = 0;
3494		3840
3495	cf::sync_job {	3841	cf::sync_job {
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843
3496	# use a peculiar iteration method to avoid tripping on perl	3844	# use a peculiar iteration method to avoid tripping on perl
3497	# refcount bugs in for. also avoids problems with players	3845	# refcount bugs in for. also avoids problems with players
3498	# and maps saved/destroyed asynchronously.	3846	# and maps saved/destroyed asynchronously.
3499	warn "begin emergency player save\n";	3847	info "emergency_perl_save: begin player save\n";
3500	for my $login (keys %cf::PLAYER) {	3848	for my $login (keys %cf::PLAYER) {
3501	my $pl = $cf::PLAYER{$login} or next;	3849	my $pl = $cf::PLAYER{$login} or next;
3502	$pl->valid or next;	3850	$pl->valid or next;
3503	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3851	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3504	$pl->save;	3852	$pl->save;
3505	}	3853	}
3506	warn "end emergency player save\n";	3854	info "emergency_perl_save: end player save\n";
3507		3855
3508	warn "begin emergency map save\n";	3856	cf::write_runtime_sync; # external watchdog should not bark
		3857
		3858	info "emergency_perl_save: begin map save\n";
3509	for my $path (keys %cf::MAP) {	3859	for my $path (keys %cf::MAP) {
3510	my $map = $cf::MAP{$path} or next;	3860	my $map = $cf::MAP{$path} or next;
3511	$map->valid or next;	3861	$map->valid or next;
3512	$map->save;	3862	$map->save;
3513	}	3863	}
3514	warn "end emergency map save\n";	3864	info "emergency_perl_save: end map save\n";
3515		3865
3516	warn "begin emergency database checkpoint\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin database checkpoint\n";
3517	BDB::db_env_txn_checkpoint $DB_ENV;	3869	BDB::db_env_txn_checkpoint $DB_ENV;
3518	warn "end emergency database checkpoint\n";	3870	info "emergency_perl_save: end database checkpoint\n";
3519		3871
3520	warn "begin write uuid\n";	3872	info "emergency_perl_save: begin write uuid\n";
3521	write_uuid_sync 1;	3873	write_uuid_sync 1;
3522	warn "end write uuid\n";	3874	info "emergency_perl_save: end write uuid\n";
		3875
		3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	trace "emergency_perl_save: syncing database to disk";
		3879	BDB::db_env_txn_checkpoint $DB_ENV;
		3880
		3881	info "emergency_perl_save: starting sync\n";
		3882	IO::AIO::aio_sync sub {
		3883	info "emergency_perl_save: finished sync\n";
		3884	};
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: flushing outstanding aio requests";
		3889	while (IO::AIO::nreqs || BDB::nreqs) {
		3890	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3891	}
		3892
		3893	cf::write_runtime_sync; # external watchdog should not bark
3523	};	3894	};
3524		3895
3525	warn "leave emergency perl save\n";	3896	info "emergency_perl_save: leave\n";
3526	}	3897	}
3527		3898
3528	sub post_cleanup {	3899	sub post_cleanup {
3529	my ($make_core) = @_;	3900	my ($make_core) = @_;
3530		3901
		3902	IO::AIO::flush;
		3903
3531	warn Carp::longmess "post_cleanup backtrace"	3904	error Carp::longmess "post_cleanup backtrace"
3532	if $make_core;	3905	if $make_core;
		3906
		3907	my $fh = pidfile;
		3908	unlink $PIDFILE if <$fh> == $$;
		3909	}
		3910
		3911	# a safer delete_package, copied from Symbol
		3912	sub clear_package($) {
		3913	my $pkg = shift;
		3914
		3915	# expand to full symbol table name if needed
		3916	unless ($pkg =~ /^main::.*::$/) {
		3917	$pkg = "main$pkg" if $pkg =~ /^::/;
		3918	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3919	$pkg .= '::' unless $pkg =~ /::$/;
		3920	}
		3921
		3922	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3923	my $stem_symtab = *{$stem}{HASH};
		3924
		3925	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3926	or return;
		3927
		3928	# clear all symbols
		3929	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3930	for my $name (keys %$leaf_symtab) {
		3931	_gv_clear *{"$pkg$name"};
		3932	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3933	}
3533	}	3934	}
3534		3935
3535	sub do_reload_perl() {	3936	sub do_reload_perl() {
3536	# can/must only be called in main	3937	# can/must only be called in main
3537	if ($Coro::current != $Coro::main) {	3938	unless (in_main) {
3538	warn "can only reload from main coroutine";	3939	error "can only reload from main coroutine";
3539	return;	3940	return;
3540	}	3941	}
3541		3942
3542	warn "reloading...";	3943	return if $RELOAD++;
3543		3944
3544	warn "entering sync_job";	3945	my $t1 = AE::time;
3545		3946
		3947	while ($RELOAD) {
		3948	cf::get_slot 0.1, -1, "reload_perl";
		3949	info "perl_reload: reloading...";
		3950
		3951	trace "perl_reload: entering sync_job";
		3952
3546	cf::sync_job {	3953	cf::sync_job {
3547	cf::write_runtime; # external watchdog should not bark
3548	cf::emergency_save;	3954	#cf::emergency_save;
3549	cf::write_runtime; # external watchdog should not bark
3550		3955
3551	warn "syncing database to disk";
3552	BDB::db_env_txn_checkpoint $DB_ENV;
3553
3554	# if anything goes wrong in here, we should simply crash as we already saved
3555
3556	warn "flushing outstanding aio requests";
3557	for (;;) {
3558	BDB::flush;
3559	IO::AIO::flush;
3560	Coro::cede_notself;
3561	last unless IO::AIO::nreqs || BDB::nreqs;
3562	warn "iterate...";
3563	}
3564
3565	++$RELOAD;
3566
3567	warn "cancelling all extension coros";	3956	trace "perl_reload: cancelling all extension coros";
3568	$_->cancel for values %EXT_CORO;	3957	$_->cancel for values %EXT_CORO;
3569	%EXT_CORO = ();	3958	%EXT_CORO = ();
3570		3959
3571	warn "removing commands";	3960	trace "perl_reload: removing commands";
3572	%COMMAND = ();	3961	%COMMAND = ();
3573		3962
3574	warn "removing ext/exti commands";	3963	trace "perl_reload: removing ext/exti commands";
3575	%EXTCMD = ();	3964	%EXTCMD = ();
3576	%EXTICMD = ();	3965	%EXTICMD = ();
3577		3966
3578	warn "unloading/nuking all extensions";	3967	trace "perl_reload: unloading/nuking all extensions";
3579	for my $pkg (@EXTS) {	3968	for my $pkg (@EXTS) {
3580	warn "... unloading $pkg";	3969	trace "... unloading $pkg";
3581		3970
3582	if (my $cb = $pkg->can ("unload")) {	3971	if (my $cb = $pkg->can ("unload")) {
3583	eval {	3972	eval {
3584	$cb->($pkg);	3973	$cb->($pkg);
3585	1	3974	1
3586	} or warn "$pkg unloaded, but with errors: $@";	3975	} or error "$pkg unloaded, but with errors: $@";
		3976	}
		3977
		3978	trace "... clearing $pkg";
		3979	clear_package $pkg;
3587	}	3980	}
3588		3981
3589	warn "... nuking $pkg";
3590	Symbol::delete_package $pkg;
3591	}
3592
3593	warn "unloading all perl modules loaded from $LIBDIR";	3982	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3594	while (my ($k, $v) = each %INC) {	3983	while (my ($k, $v) = each %INC) {
3595	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3984	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3596		3985
3597	warn "... unloading $k";	3986	trace "... unloading $k";
3598	delete $INC{$k};	3987	delete $INC{$k};
3599		3988
3600	$k =~ s/\.pm$//;	3989	$k =~ s/\.pm$//;
3601	$k =~ s/\//::/g;	3990	$k =~ s/\//::/g;
3602		3991
3603	if (my $cb = $k->can ("unload_module")) {	3992	if (my $cb = $k->can ("unload_module")) {
3604	$cb->();	3993	$cb->();
		3994	}
		3995
		3996	clear_package $k;
3605	}	3997	}
3606		3998
3607	Symbol::delete_package $k;
3608	}
3609
3610	warn "getting rid of safe::, as good as possible";	3999	trace "perl_reload: getting rid of safe::, as good as possible";
3611	Symbol::delete_package "safe::$_"	4000	clear_package "safe::$_"
3612	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4001	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3613		4002
3614	warn "unloading cf.pm \"a bit\"";	4003	trace "perl_reload: unloading cf.pm \"a bit\"";
3615	delete $INC{"cf.pm"};	4004	delete $INC{"cf.pm"};
3616	delete $INC{"cf/pod.pm"};	4005	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3617		4006
3618	# don't, removes xs symbols, too,	4007	# don't, removes xs symbols, too,
3619	# and global variables created in xs	4008	# and global variables created in xs
3620	#Symbol::delete_package __PACKAGE__;	4009	#clear_package __PACKAGE__;
3621		4010
3622	warn "unload completed, starting to reload now";	4011	info "perl_reload: unload completed, starting to reload now";
3623		4012
3624	warn "reloading cf.pm";	4013	trace "perl_reload: reloading cf.pm";
3625	require cf;	4014	require cf;
3626	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4015	cf::_connect_to_perl_1;
3627		4016
3628	warn "loading config and database again";	4017	trace "perl_reload: loading config and database again";
3629	cf::reload_config;	4018	cf::reload_config;
3630		4019
3631	warn "loading extensions";	4020	trace "perl_reload: loading extensions";
3632	cf::load_extensions;	4021	cf::load_extensions;
3633		4022
		4023	if ($REATTACH_ON_RELOAD) {
3634	warn "reattaching attachments to objects/players";	4024	trace "perl_reload: reattaching attachments to objects/players";
3635	_global_reattach; # objects, sockets	4025	_global_reattach; # objects, sockets
3636	warn "reattaching attachments to maps";	4026	trace "perl_reload: reattaching attachments to maps";
3637	reattach $_ for values %MAP;	4027	reattach $_ for values %MAP;
3638	warn "reattaching attachments to players";	4028	trace "perl_reload: reattaching attachments to players";
3639	reattach $_ for values %PLAYER;	4029	reattach $_ for values %PLAYER;
		4030	}
3640		4031
3641	warn "leaving sync_job";	4032	cf::_post_init 1;
3642		4033
		4034	trace "perl_reload: leaving sync_job";
		4035
3643	1	4036	1
3644	} or do {	4037	} or do {
3645	warn $@;	4038	error $@;
3646	cf::cleanup "error while reloading, exiting.";	4039	cf::cleanup "perl_reload: error, exiting.";
		4040	};
		4041
		4042	--$RELOAD;
3647	};	4043	}
3648		4044
3649	warn "reloaded";	4045	$t1 = AE::time - $t1;
		4046	info "perl_reload: completed in ${t1}s\n";
3650	};	4047	};
3651		4048
3652	our $RELOAD_WATCHER; # used only during reload	4049	our $RELOAD_WATCHER; # used only during reload
3653		4050
3654	sub reload_perl() {	4051	sub reload_perl() {
3655	# doing reload synchronously and two reloads happen back-to-back,	4052	# doing reload synchronously and two reloads happen back-to-back,
3656	# coro crashes during coro_state_free->destroy here.	4053	# coro crashes during coro_state_free->destroy here.
3657		4054
		4055	$RELOAD_WATCHER ||= cf::async {
		4056	Coro::AIO::aio_wait cache_extensions;
		4057
3658	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4058	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3659	do_reload_perl;	4059	do_reload_perl;
3660	undef $RELOAD_WATCHER;	4060	undef $RELOAD_WATCHER;
		4061	};
3661	};	4062	};
3662	}	4063	}
3663		4064
3664	register_command "reload" => sub {	4065	register_command "reload" => sub {
3665	my ($who, $arg) = @_;	4066	my ($who, $arg) = @_;
…		…
3671	reload_perl;	4072	reload_perl;
3672	};	4073	};
3673	}	4074	}
3674	};	4075	};
3675		4076
3676	unshift @INC, $LIBDIR;	4077	#############################################################################
3677		4078
3678	my $bug_warning = 0;	4079	my $bug_warning = 0;
3679		4080
3680	our @WAIT_FOR_TICK;
3681	our @WAIT_FOR_TICK_BEGIN;
3682
3683	sub wait_for_tick {	4081	sub wait_for_tick() {
3684	return if tick_inhibit;	4082	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3685	return if $Coro::current == $Coro::main;
3686		4083
3687	my $signal = new Coro::Signal;	4084	$WAIT_FOR_TICK->wait;
3688	push @WAIT_FOR_TICK, $signal;
3689	$signal->wait;
3690	}	4085	}
3691		4086
3692	sub wait_for_tick_begin {	4087	sub wait_for_tick_begin() {
3693	return if tick_inhibit;	4088	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3694	return if $Coro::current == $Coro::main;
3695		4089
3696	my $signal = new Coro::Signal;	4090	my $signal = new Coro::Signal;
3697	push @WAIT_FOR_TICK_BEGIN, $signal;	4091	push @WAIT_FOR_TICK_BEGIN, $signal;
3698	$signal->wait;	4092	$signal->wait;
3699	}	4093	}
…		…
3703	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4097	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3704	unless ++$bug_warning > 10;	4098	unless ++$bug_warning > 10;
3705	return;	4099	return;
3706	}	4100	}
3707		4101
3708	cf::server_tick; # one server iteration	4102	cf::one_tick; # one server iteration
		4103
		4104	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3709		4105
3710	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4106	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3711	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4107	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3712	Coro::async_pool {	4108	Coro::async_pool {
3713	$Coro::current->{desc} = "runtime saver";	4109	$Coro::current->{desc} = "runtime saver";
3714	write_runtime	4110	write_runtime_sync
3715	or warn "ERROR: unable to write runtime file: $!";	4111	or error "ERROR: unable to write runtime file: $!";
3716	};	4112	};
3717	}	4113	}
3718		4114
3719	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4115	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3720	$sig->send;	4116	$sig->send;
3721	}	4117	}
3722	while (my $sig = shift @WAIT_FOR_TICK) {	4118	$WAIT_FOR_TICK->broadcast;
3723	$sig->send;
3724	}
3725		4119
3726	$LOAD = ($NOW - $TICK_START) / $TICK;	4120	$LOAD = ($NOW - $TICK_START) / $TICK;
3727	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4121	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3728		4122
3729	if (0) {	4123	if (0) {
3730	if ($NEXT_TICK) {	4124	if ($NEXT_TICK) {
3731	my $jitter = $TICK_START - $NEXT_TICK;	4125	my $jitter = $TICK_START - $NEXT_TICK;
3732	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4126	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3733	warn "jitter $JITTER\n";#d#	4127	debug "jitter $JITTER\n";#d#
3734	}	4128	}
3735	}	4129	}
3736	}	4130	}
3737		4131
3738	{	4132	{
3739	# configure BDB	4133	# configure BDB
3740		4134
3741	BDB::min_parallel 8;	4135	BDB::min_parallel 16;
3742	BDB::max_poll_reqs $TICK * 0.1;	4136	BDB::max_poll_reqs $TICK * 0.1;
3743	$Coro::BDB::WATCHER->priority (1);	4137	#$AnyEvent::BDB::WATCHER->priority (1);
3744		4138
3745	unless ($DB_ENV) {	4139	unless ($DB_ENV) {
3746	$DB_ENV = BDB::db_env_create;	4140	$DB_ENV = BDB::db_env_create;
3747	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4141	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3748	| BDB::LOG_AUTOREMOVE, 1);	4142	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4143	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3749	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4144	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3750	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4145	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3751		4146
3752	cf::sync_job {	4147	cf::sync_job {
3753	eval {	4148	eval {
…		…
3779	{	4174	{
3780	# configure IO::AIO	4175	# configure IO::AIO
3781		4176
3782	IO::AIO::min_parallel 8;	4177	IO::AIO::min_parallel 8;
3783	IO::AIO::max_poll_time $TICK * 0.1;	4178	IO::AIO::max_poll_time $TICK * 0.1;
3784	$Coro::AIO::WATCHER->priority (1);	4179	undef $AnyEvent::AIO::WATCHER;
3785	}	4180	}
3786		4181
3787	my $_log_backtrace;	4182	our $_log_backtrace;
		4183	our $_log_backtrace_last;
3788		4184
3789	sub _log_backtrace {	4185	sub _log_backtrace {
3790	my ($msg, @addr) = @_;	4186	my ($msg, @addr) = @_;
3791		4187
3792	$msg =~ s/\n//;	4188	$msg =~ s/\n$//;
3793		4189
		4190	if ($_log_backtrace_last eq $msg) {
		4191	LOG llevInfo, "[ABT] $msg\n";
		4192	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3794	# limit the # of concurrent backtraces	4193	# limit the # of concurrent backtraces
3795	if ($_log_backtrace < 2) {	4194	} elsif ($_log_backtrace < 2) {
		4195	$_log_backtrace_last = $msg;
3796	++$_log_backtrace;	4196	++$_log_backtrace;
		4197	my $perl_bt = Carp::longmess $msg;
3797	async {	4198	async {
3798	$Coro::current->{desc} = "abt $msg";	4199	$Coro::current->{desc} = "abt $msg";
3799		4200
3800	my @bt = fork_call {	4201	my @bt = fork_call {
3801	@addr = map { sprintf "%x", $_ } @addr;	4202	@addr = map { sprintf "%x", $_ } @addr;
…		…
3812	}	4213	}
3813		4214
3814	@funcs	4215	@funcs
3815	};	4216	};
3816		4217
3817	LOG llevInfo, "[ABT] $msg\n";	4218	LOG llevInfo, "[ABT] $perl_bt\n";
		4219	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3818	LOG llevInfo, "[ABT] $_\n" for @bt;	4220	LOG llevInfo, "[ABT] $_\n" for @bt;
3819	--$_log_backtrace;	4221	--$_log_backtrace;
3820	};	4222	};
3821	} else {	4223	} else {
3822	LOG llevInfo, "[ABT] $msg\n";	4224	LOG llevInfo, "[ABT] $msg\n";
3823	LOG llevInfo, "[ABT] [suppressed]\n";	4225	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3824	}	4226	}
3825	}	4227	}
3826		4228
3827	# load additional modules	4229	# load additional modules
3828	use cf::pod;	4230	require "cf/$_.pm" for @EXTRA_MODULES;
		4231	cf::_connect_to_perl_2;
3829		4232
3830	END { cf::emergency_save }	4233	END { cf::emergency_save }
3831		4234
3832	1	4235	1
3833		4236

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