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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.396 by root, Wed Nov 14 08:09:46 2007 UTC vs.
Revision 1.572 by root, Sun May 8 11:44:43 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use EV;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
18	use Coro::EV;	41	use Coro::EV;
		42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.51 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	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";
41	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
42		75
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	76	# strictly for debugging
44	$YAML::Syck::ImplicitUnicode = 1;	77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		78
48	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;
49		82
50	our %COMMAND = ();	83	our %COMMAND = ();
51	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
52		85
53	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	87	our %EXTCMD = ();
55	our %EXTICMD = ();	88	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
58		91
59	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
61		96
62	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
63	our $DATADIR = datadir;	99	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
67	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		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;
73		120
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	123	our $NEXT_TICK;
79	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
81		125
82	our $BDB_POLL_WATCHER;
83	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
84	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
85	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
86	our $DB_ENV;	129	our $DB_ENV;
87		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
88	our %CFG;	133	our %CFG;
89		134
90	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
91	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
		138	our $NOW;
92		139
93	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
94	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
95	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
96		143
97	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
99		146
100	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)
101	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
102	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
103		159
104	binmode STDOUT;	160	binmode STDOUT;
105	binmode STDERR;	161	binmode STDERR;
106		162
107	# read virtual server time, if available	163	# read virtual server time, if available
108	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
109	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
110	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
111	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
112	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
113		171
114	mkdir $_	172	mkdir $_
115	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
116		174
117	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
118		176
119	sub cf::map::normalise;	177	sub cf::map::normalise;
120		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
121	#############################################################################	183	#############################################################################
122		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
123	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
124		197
125	=over 4	198	=over 4
126		199
127	=item $cf::UPTIME	200	=item $cf::UPTIME
128		201
129	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.
130		218
131	=item $cf::RUNTIME	219	=item $cf::RUNTIME
132		220
133	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
134	every server tick.	222	every server tick.
…		…
140	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
141	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
142	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
143	database environment.	231	database environment.
144		232
145	=item $cf::NOW
146
147	The time of the last (current) server tick.
148
149	=item $cf::TICK
150
151	The interval between server ticks, in seconds.
152
153	=item $cf::LOADAVG	233	=item $cf::LOADAVG
154		234
155	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
156	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
157	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
166	from wherever your confdir points to.	246	from wherever your confdir points to.
167		247
168	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
169		249
170	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
171	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
173		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
174	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
175		272
176	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
177	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
178	that call.	275	that call.
179		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
180	=back	283	=back
181		284
182	=cut	285	=cut
183		286
184	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
185	*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 {
186	my $msg = join "", @_;	294	my $msg = join "", @_;
187		295
188	$msg .= "\n"	296	$msg .= "\n"
189	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
190		298
191	$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;
192		300
193	LOG llevError, $msg;	301	LOG llevWarn, $msg;
194	};	302	};
195	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
196		317
197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
207	for my $pkg (qw(	328	for my $pkg (qw(
208	cf::global cf::attachable	329	cf::global cf::attachable
209	cf::object cf::object::player	330	cf::object cf::object::player
210	cf::client cf::player	331	cf::client cf::player
211	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
212	cf::map cf::party cf::region	334	cf::party cf::region
213	)) {	335	)) {
214	no strict 'refs';
215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
216	}	337	}
217		338
218	$EV::DIED = sub {	339	$EV::DIED = sub {
219	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
220	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
221		347
222	#############################################################################	348	#############################################################################
223		349
224	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
225		351
…		…
246	$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;
247	$d	373	$d
248	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
249	}	375	}
250		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
251	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
252		392
253	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
254		394
255	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
256		396
257	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
258		398
259	=cut	399	=cut
260		400
261	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
262		402
263	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
264	sub from_json ($) { $json_coder->decode ($_[0]) }	404	sub decode_json($) { $json_coder->decode ($_[0]) }
		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	}
265		467
266	=item cf::lock_wait $string	468	=item cf::lock_wait $string
267		469
268	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
269		471
270	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
271		473
272	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
273	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,
274	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
275	returned.	477	returned.
276		478
277	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
278	deadlocked coro.	480	deadlocked coro.
…		…
284		486
285	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.
286		488
287	=cut	489	=cut
288		490
289	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
290	our %LOCKER;#d#
291		492
292	sub lock_wait($) {	493	sub lock_wait($) {
293	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
294
295	if ($LOCKER{$key} == $Coro::current) {#d#
296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
297	return;#d#
298	}#d#
299
300	# wait for lock, if any
301	while ($LOCK{$key}) {
302	push @{ $LOCK{$key} }, $Coro::current;
303	Coro::schedule;
304	}
305	}	495	}
306		496
307	sub lock_acquire($) {	497	sub lock_acquire($) {
308	my ($key) = @_;	498	$LOCKS->guard ($_[0])
309
310	# wait, to be sure we are not locked
311	lock_wait $key;
312
313	$LOCK{$key} = [];
314	$LOCKER{$key} = $Coro::current;#d#
315
316	Coro::guard {
317	delete $LOCKER{$key};#d#
318	# wake up all waiters, to be on the safe side
319	$_->ready for @{ delete $LOCK{$key} };
320	}
321	}	499	}
322		500
323	sub lock_active($) {	501	sub lock_active($) {
324	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
325
326	! ! $LOCK{$key}
327	}	503	}
328		504
329	sub freeze_mainloop {	505	sub freeze_mainloop {
330	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
331		507
332	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
333	$TICK_WATCHER->start;
334	};
335	$TICK_WATCHER->stop;
336	$guard
337	}	509	}
338		510
339	=item cf::periodic $interval, $cb	511	=item cf::periodic $interval, $cb
340		512
341	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
342	get spread over timer.	514	get spread over time.
343		515
344	=cut	516	=cut
345		517
346	sub periodic($$) {	518	sub periodic($$) {
347	my ($interval, $cb) = @_;	519	my ($interval, $cb) = @_;
…		…
351	EV::periodic $start, $interval, 0, $cb	523	EV::periodic $start, $interval, 0, $cb
352	}	524	}
353		525
354	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
355		527
356	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
357	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
358	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.
359		535
360	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
361	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
362		538
363	Useful for short background jobs.	539	Useful for short background jobs.
364		540
365	=cut	541	=cut
366		542
367	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
368	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
369		546
370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
371	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
372	$Coro::current->desc ("timeslot manager");	549	$Coro::current->desc ("timeslot manager");
373		550
374	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
375		553
376	while () {	554	while () {
377	next_job:	555	next_job:
		556
378	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
379	if ($avail > 0.01) {	558
380	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
381	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
382	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
383	$job->[2]->send;	563	$job->[2]->send;
384	Coro::cede;	564	Coro::cede;
385	goto next_job;	565	goto next_job;
386	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
387	}	568	}
388	}	569	}
389		570
390	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
391	# 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
392	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
393	$signal->wait;
394	} else {	574	} else {
		575	$busy = 0;
395	Coro::schedule;	576	Coro::schedule;
396	}	577	}
397	}	578	}
398	};	579	};
399		580
400	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
401	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
402		585
403	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
404	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
405		589
406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
408	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
434	=cut	618	=cut
435		619
436	sub sync_job(&) {	620	sub sync_job(&) {
437	my ($job) = @_;	621	my ($job) = @_;
438		622
439	if ($Coro::current == $Coro::main) {	623	if (in_main) {
440	my $time = EV::time;	624	my $time = AE::time;
441		625
442	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
443	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
444		628
445	LOG llevError, Carp::longmess "sync job";#d#	629	#LOG llevError, Carp::longmess "sync job";#d#
446		630
447	# TODO: use suspend/resume instead
448	# (but this is cancel-safe)
449	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
450		632
451	my $busy = 1;	633	my $busy = 1;
452	my @res;	634	my @res;
453		635
454	(async {	636	(async {
455	$Coro::current->desc ("sync job coro");	637	$Coro::current->desc ("sync job coro");
456	@res = eval { $job->() };	638	@res = eval { $job->() };
457	warn $@ if $@;	639	error $@ if $@;
458	undef $busy;	640	undef $busy;
459	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
460		642
461	while ($busy) {	643	while ($busy) {
462	if (Coro::nready) {	644	if (Coro::nready) {
…		…
464	} else {	646	} else {
465	EV::loop EV::LOOP_ONESHOT;	647	EV::loop EV::LOOP_ONESHOT;
466	}	648	}
467	}	649	}
468		650
469	$time = EV::time - $time;	651	my $time = AE::time - $time;
470		652
471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
473
474	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
475		654
476	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
477	} else {	656	} else {
478	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
479		658
…		…
499	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
500		679
501	$coro	680	$coro
502	}	681	}
503		682
504	=item fork_call { }, $args	683	=item fork_call { }, @args
505		684
506	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
507	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
508	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
509	never block itself or use any form of event handling.	688	never block itself or use any form of event handling.
510		689
511	=cut	690	=cut
512		691
		692	sub post_fork {
		693	reset_signals;
		694	}
		695
513	sub fork_call(&@) {	696	sub fork_call(&@) {
514	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
515		698
516	# 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,
517	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
518	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
519		702
520	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
521	reset_signals;	704	cf::post_fork;
522	&$cb	705	&$cb
523	}, @args;	706	} @args;
524		707
525	wantarray ? @res : $res[-1]	708	wantarray ? @res : $res[-1]
		709	}
		710
		711	sub objinfo {
		712	(
		713	"counter value" => cf::object::object_count,
		714	"objects created" => cf::object::create_count,
		715	"objects destroyed" => cf::object::destroy_count,
		716	"freelist size" => cf::object::free_count,
		717	"allocated objects" => cf::object::objects_size,
		718	"active objects" => cf::object::actives_size,
		719	)
		720	}
		721
		722	=item $coin = coin_from_name $name
		723
		724	=cut
		725
		726	our %coin_alias = (
		727	"silver" => "silvercoin",
		728	"silvercoin" => "silvercoin",
		729	"silvercoins" => "silvercoin",
		730	"gold" => "goldcoin",
		731	"goldcoin" => "goldcoin",
		732	"goldcoins" => "goldcoin",
		733	"platinum" => "platinacoin",
		734	"platinumcoin" => "platinacoin",
		735	"platinumcoins" => "platinacoin",
		736	"platina" => "platinacoin",
		737	"platinacoin" => "platinacoin",
		738	"platinacoins" => "platinacoin",
		739	"royalty" => "royalty",
		740	"royalties" => "royalty",
		741	);
		742
		743	sub coin_from_name($) {
		744	$coin_alias{$_[0]}
		745	? cf::arch::find $coin_alias{$_[0]}
		746	: undef
526	}	747	}
527		748
528	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
529		750
530	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
540	within each server.	761	within each server.
541		762
542	=cut	763	=cut
543		764
544	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
545	my ($name) = @_;	769	my ($name) = @_;
546	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
547		771
548	eval {	772	eval {
549	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
559	}	783	}
560		784
561	our $DB;	785	our $DB;
562		786
563	sub db_init {	787	sub db_init {
564	cf::sync_job {
565	$DB ||= db_table "db";	788	$DB ||= db_table "db";
566	};
567	}	789	}
568		790
569	sub db_get($$) {	791	sub db_get($$) {
570	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
571		793
572	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
573	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
574		798
575	$! ? ()	799	$! ? ()
576	: $data	800	: $data
577	}
578	}	801	}
579		802
580	sub db_put($$$) {	803	sub db_put($$$) {
581	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
610		833
611	my @data;	834	my @data;
612	my $md5;	835	my $md5;
613		836
614	for (0 .. $#$src) {	837	for (0 .. $#$src) {
615	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
616	or Carp::croak "$src->[$_]: $!";
617	}	839	}
618		840
619	# if processing is expensive, check	841	# if processing is expensive, check
620	# checksum first	842	# checksum first
621	if (1) {	843	if (1) {
…		…
638		860
639	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
640	my $data = $process->(\@data);	862	my $data = $process->(\@data);
641	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
642		864
643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
644		866
645	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
646	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
647	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
648		870
…		…
658		880
659	=cut	881	=cut
660		882
661	sub datalog($@) {	883	sub datalog($@) {
662	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
663	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
664	}	886	}
665		887
666	=back	888	=back
667		889
668	=cut	890	=cut
669		891
670	#############################################################################	892	#############################################################################
671		893
672	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
673		895
674	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
675	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")
676	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
677		899
678	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>
679	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
…		…
729	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
730		952
731	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
732	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
733		955
734	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
735	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.
736		958
737	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
738		960
739	=over 4	961	=over 4
…		…
863		1085
864	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
865	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
866		1088
867	} elsif (ref $type) {	1089	} elsif (ref $type) {
868	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
869		1091
870	} else {	1092	} else {
871	shift @arg;	1093	shift @arg;
872	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
873	}	1095	}
874	}	1096	}
875	}	1097	}
876		1098
877	sub _object_attach {	1099	sub _object_attach {
…		…
887	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
888	}	1110	}
889		1111
890	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
891	} else {	1113	} else {
892	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
893	}	1115	}
894		1116
895	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
896	}	1118	}
897		1119
…		…
956		1178
957	for (@$callbacks) {	1179	for (@$callbacks) {
958	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
959		1181
960	if ($@) {	1182	if ($@) {
961	warn "$@";
962	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
963	override;	1184	override;
964	}	1185	}
965		1186
966	return 1 if $override;	1187	return 1 if $override;
967	}	1188	}
968		1189
969	0	1190	0
970	}	1191	}
971		1192
972	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
973		1194
974	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
975		1196
976	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
977		1198
…		…
1030		1251
1031	sub reattach {	1252	sub reattach {
1032	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
1033	my ($obj) = @_;	1254	my ($obj) = @_;
1034		1255
		1256	# no longer needed after getting rid of delete_package?
1035	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
1036		1258
1037	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
1038		1260
1039	@$registry = ();	1261	@$registry = ();
1040		1262
…		…
1045	for (@$attach) {	1267	for (@$attach) {
1046	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
1047	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
1048	}	1270	}
1049	} else {	1271	} else {
1050	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1051	}	1273	}
1052	}	1274	}
1053	}	1275	}
1054		1276
1055	cf::attachable->attach (	1277	cf::attachable->attach (
1056	prio => -1000000,	1278	prio => -1000000,
1057	on_instantiate => sub {	1279	on_instantiate => sub {
1058	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
1059		1281
1060	$data = from_json $data;	1282	$data = decode_json $data;
1061		1283
1062	for (@$data) {	1284	for (@$data) {
1063	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
1064		1286
1065	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
1082	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1083		1305
1084	sync_job {	1306	sync_job {
1085	if (length $$rdata) {	1307	if (length $$rdata) {
1086	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1087	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1088	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1089		1312
1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1091	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1093	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	}
1094	close $fh;	1320	aio_close $fh;
1095		1321
1096	if (@$objs) {	1322	if (@$objs) {
1097	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) {
1098	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1100	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1101	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	}
1102	close $fh;	1331	aio_close $fh;
1103	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1104	}	1333	}
1105	} else {	1334	} else {
1106	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1107	}	1336	}
1108		1337
1109	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1110	} else {	1342	} else {
1111	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1112	}	1344	}
1113	} else {	1345	} else {
1114	aio_unlink $filename;	1346	aio_unlink $filename;
1115	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1116	}	1348	}
…		…
1140	my $st = eval { Coro::Storable::thaw $av };	1372	my $st = eval { Coro::Storable::thaw $av };
1141	$av = $st->{objs};	1373	$av = $st->{objs};
1142	}	1374	}
1143		1375
1144	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1145	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1146	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1147		1380
1148	($data, $av)	1381	($data, $av)
1149	}	1382	}
1150		1383
1151	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1207	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1208		1441
1209	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1210	}	1443	}
1211		1444
		1445	use File::Glob ();
		1446
1212	cf::player->attach (	1447	cf::player->attach (
1213	on_command => sub {	1448	on_unknown_command => sub {
1214	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1215		1450
1216	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1217	or return;	1452	or return;
1218		1453
…		…
1241		1476
1242	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1243	if $reply;	1478	if $reply;
1244		1479
1245	} else {	1480	} else {
1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1247	}	1482	}
1248		1483
1249	cf::override;	1484	cf::override;
1250	},	1485	},
1251	);	1486	);
1252		1487
		1488	# "readahead" all extensions
		1489	sub cache_extensions {
		1490	my $grp = IO::AIO::aio_group;
		1491
		1492	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1493	for (grep /\.ext$/, @{$_[0]}) {
		1494	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1495	}
		1496	};
		1497
		1498	$grp
		1499	}
		1500
1253	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1254	cf::sync_job {	1504	cf::sync_job {
1255	my %todo;	1505	my %todo;
1256		1506
1257	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1258	next unless -r $path;	1508	next unless -r $path;
…		…
1276		1526
1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1279		1529
1280	$ext{source} =	1530	$ext{source} =
1281	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1282	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1283	. $source	1533	. $source
1284	. "\n};\n1";	1534	. "\n};\n1";
1285		1535
1286	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1287	}	1537	}
1288		1538
		1539	my $pass = 0;
1289	my %done;	1540	my %done;
1290	while (%todo) {	1541	while (%todo) {
1291	my $progress;	1542	my $progress;
1292		1543
		1544	++$pass;
		1545
		1546	ext:
1293	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1294	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1295	goto skip	1549	next ext
1296	unless exists $done{$_};	1550	unless exists $done{$_};
1297	}	1551	}
1298		1552
1299	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1300		1554
1301	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1302	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1303	: "$v->{base}: extension inactive.\n";
1304		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1305	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1306	warn $msg;	1562
1307	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1308	exit 1;	1564	delete $todo{$k};
1309	}	1565	} else {
1310		1566	$done{$k} = delete $todo{$k};
1311	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1312	}	1572	}
1313
1314	$done{$k} = delete $todo{$k};
1315	push @EXTS, $v->{pkg};
1316	$progress = 1;
1317	}	1573	}
1318		1574
1319	skip:	1575	unless ($progress) {
1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1321	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1322	}	1585	}
1323	};	1586	};
1324	}	1587	}
1325		1588
1326	#############################################################################	1589	#############################################################################
1327		1590
1328	=back	1591	=back
1329		1592
1330	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1331		1594
1332	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1333		1596
1334	=cut	1597	=cut
1335		1598
1336	package cf::player;	1599	package cf::player;
1337		1600
…		…
1380		1643
1381	sub exists($) {	1644	sub exists($) {
1382	my ($login) = @_;	1645	my ($login) = @_;
1383		1646
1384	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1385	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1386	}	1649	}
1387		1650
1388	sub find($) {	1651	sub find($) {
1389	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1390	my $login = $_[0];	1653	my $login = $_[0];
…		…
1402	my $f = new_from_file cf::object::thawer path $login	1665	my $f = new_from_file cf::object::thawer path $login
1403	or return;	1666	or return;
1404		1667
1405	my $pl = cf::player::load_pl $f	1668	my $pl = cf::player::load_pl $f
1406	or return;	1669	or return;
		1670
1407	local $cf::PLAYER_LOADING{$login} = $pl;	1671	local $cf::PLAYER_LOADING{$login} = $pl;
1408	$f->resolve_delayed_derefs;	1672	$f->resolve_delayed_derefs;
1409	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1410	}	1674	}
1411	}	1675	}
1412	}	1676	}
1413		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($pl, $path) = @_;
		1681
		1682	# restore slots saved in save, below
		1683	my $slots = delete $pl->{_slots};
		1684
		1685	$pl->ob->current_weapon ($slots->[0]);
		1686	$pl->combat_ob ($slots->[1]);
		1687	$pl->ranged_ob ($slots->[2]);
		1688	},
		1689	);
		1690
1414	sub save($) {	1691	sub save($) {
1415	my ($pl) = @_;	1692	my ($pl) = @_;
1416		1693
1417	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
1418		1695
…		…
1421		1698
1422	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1423		1700
1424	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1425	$pl->{last_save} = $cf::RUNTIME;	1702	$pl->{last_save} = $cf::RUNTIME;
		1703
		1704	cf::get_slot 0.01;
		1705
		1706	# save slots, to be restored later
		1707	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1426		1708
1427	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1428	cf::cede_to_tick;	1710	cf::cede_to_tick;
1429	}	1711	}
1430		1712
…		…
1462	my ($pl) = @_;	1744	my ($pl) = @_;
1463		1745
1464	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1465		1747
1466	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1467	$pl->password ("*"); # this should lock out the player until we nuked the dir	1749	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1468		1750
1469	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1470	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1471	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1472	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1473		1759
1474	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1475	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1476	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1514		1800
1515	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
1516	my $path = path $login;	1802	my $path = path $login;
1517		1803
1518	# a .pst is a dead give-away for a valid player	1804	# a .pst is a dead give-away for a valid player
1519	unless (-e "$path.pst") {	1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1521	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1522	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
1523	}	1810	}
1524		1811
…		…
1528		1815
1529	\@logins	1816	\@logins
1530	}	1817	}
1531		1818
1532	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1533		1822
1534	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1535	player. May block.	1824	player. May block.
1536		1825
1537	=cut	1826	=cut
…		…
1555	}	1844	}
1556		1845
1557	\@paths	1846	\@paths
1558	}	1847	}
1559		1848
1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1561		1850
1562	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1563
1564	=cut
1565
1566	use re 'eval';
1567
1568	my $group;
1569	my $interior; $interior = qr{
1570	# match a pod interior sequence sans C<< >>
1571	(?:
1572	\ (.*?)\ (?{ $group = $^N })
1573	| < (??{$interior}) >
1574	)
1575	}x;
1576
1577	sub expand_cfpod {
1578	my ($self, $pod) = @_;
1579
1580	my $xml;
1581
1582	while () {
1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1584	$group = $1;
1585
1586	$group =~ s/&/&amp;/g;
1587	$group =~ s/</&lt;/g;
1588
1589	$xml .= $group;
1590	} elsif ($pod =~ m%\G
1591	([BCGHITU])
1592	<
1593	(?:
1594	([^<>]*) (?{ $group = $^N })
1595	| < $interior >
1596	)
1597	>
1598	%gcsx
1599	) {
1600	my ($code, $data) = ($1, $group);
1601
1602	if ($code eq "B") {
1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1604	} elsif ($code eq "I") {
1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1606	} elsif ($code eq "U") {
1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1608	} elsif ($code eq "C") {
1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1610	} elsif ($code eq "T") {
1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1612	} elsif ($code eq "G") {
1613	my ($male, $female) = split /\|/, $data;
1614	$data = $self->gender ? $female : $male;
1615	$xml .= expand_cfpod ($self, $data);
1616	} elsif ($code eq "H") {
1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1619	"")
1620	[$self->{hintmode}];
1621	} else {
1622	$xml .= "error processing '$code($data)' directive";
1623	}
1624	} else {
1625	if ($pod =~ /\G(.+)/) {
1626	warn "parse error while expanding $pod (at $1)";
1627	}
1628	last;
1629	}
1630	}
1631
1632	for ($xml) {
1633	# create single paragraphs (very hackish)
1634	s/(?<=\S)\n(?=\w)/ /g;
1635
1636	# compress some whitespace
1637	s/\s+\n/\n/g; # ws line-ends
1638	s/\n\n+/\n/g; # double lines
1639	s/^\n+//; # beginning lines
1640	s/\n+$//; # ending lines
1641	}
1642
1643	$xml
1644	}
1645
1646	no re 'eval';
1647
1648	sub hintmode {
1649	$_[0]{hintmode} = $_[1] if @_ > 1;
1650	$_[0]{hintmode}
1651	}
1652		1852
1653	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1654		1854
1655	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1656		1856
…		…
1688		1888
1689	=cut	1889	=cut
1690		1890
1691	sub find_by_path($) {	1891	sub find_by_path($) {
1692	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1693		1895
1694	my ($match, $specificity);	1896	my ($match, $specificity);
1695		1897
1696	for my $region (list) {	1898	for my $region (list) {
1697	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1723	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1724	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1725		1927
1726	sub generate_random_map {	1928	sub generate_random_map {
1727	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1728	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1729	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1733	$rmp->{exit_on_final_map},
1734	$rmp->{xsize}, $rmp->{ysize},
1735	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1736	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1737	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1738	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1739	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1740	(cf::region::find $rmp->{region}), $rmp->{custom}
1741	)
1742	}	1934	}
1743		1935
1744	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1745		1937
1746	Register a handler for the map path matching the given regex at the	1938	Register a handler for the map path matching the given regex at the
…		…
1751		1943
1752	sub register {	1944	sub register {
1753	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1754	my $pkg = caller;	1946	my $pkg = caller;
1755		1947
1756	no strict;
1757	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1758		1949
1759	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1760	}	1951	}
1761		1952
1762	# also paths starting with '/'	1953	# also paths starting with '/'
1763	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1764		1955
1765	sub thawer_merge {	1956	sub thawer_merge {
1766	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1767		1958
1768	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1773	}	1964	}
1774		1965
1775	sub normalise {	1966	sub normalise {
1776	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1777		1968
1778	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1779		1970
1780	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1781		1972
1782	# map plan:	1973	# map plan:
1783	#	1974	#
…		…
1798	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1799	$path = "$base/$path";	1990	$path = "$base/$path";
1800	}	1991	}
1801		1992
1802	for ($path) {	1993	for ($path) {
1803	redo if s{//}{/};
1804	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1805	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1806	}	1996	}
1807		1997
1808	$path	1998	$path
…		…
1822	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1823	return $self;	2013	return $self;
1824	}	2014	}
1825	}	2015	}
1826		2016
1827	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1828	()	2018	()
1829	}	2019	}
1830		2020
		2021	# may re-bless or do other evil things
1831	sub init {	2022	sub init {
1832	my ($self) = @_;	2023	my ($self) = @_;
1833		2024
1834	$self	2025	$self
1835	}	2026	}
…		…
1854		2045
1855	# the temporary/swap location	2046	# the temporary/swap location
1856	sub save_path {	2047	sub save_path {
1857	my ($self) = @_;	2048	my ($self) = @_;
1858		2049
1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1860	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1861	}	2052	}
1862		2053
1863	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1864	sub uniq_path {	2055	sub uniq_path {
1865	my ($self) = @_;	2056	my ($self) = @_;
1866		2057
1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1868	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1869	}
1870
1871	# and all this just because we cannot iterate over
1872	# all maps in C++...
1873	sub change_all_map_light {
1874	my ($change) = @_;
1875
1876	$_->change_map_light ($change)
1877	for grep $_->outdoor, values %cf::MAP;
1878	}	2060	}
1879		2061
1880	sub decay_objects {	2062	sub decay_objects {
1881	my ($self) = @_;	2063	my ($self) = @_;
1882		2064
…		…
1909	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1910		2092
1911	1	2093	1
1912	}	2094	}
1913		2095
		2096	# used to laod the header of an original map
1914	sub load_header_orig {	2097	sub load_header_orig {
1915	my ($self) = @_;	2098	my ($self) = @_;
1916		2099
1917	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1918	}	2101	}
1919		2102
		2103	# used to laod the header of an instantiated map
1920	sub load_header_temp {	2104	sub load_header_temp {
1921	my ($self) = @_;	2105	my ($self) = @_;
1922		2106
1923	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1924	}	2108	}
1925		2109
		2110	# called after loading the header from an instantiated map
1926	sub prepare_temp {	2111	sub prepare_temp {
1927	my ($self) = @_;	2112	my ($self) = @_;
1928		2113
1929	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1930	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1931	# safety	2116	# safety
1932	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1933	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1934	}	2119	}
1935		2120
		2121	# called after loading the header from an original map
1936	sub prepare_orig {	2122	sub prepare_orig {
1937	my ($self) = @_;	2123	my ($self) = @_;
1938		2124
1939	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1940	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1964		2150
1965	sub find;	2151	sub find;
1966	sub find {	2152	sub find {
1967	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1968		2154
		2155	cf::cede_to_tick;
		2156
1969	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1970		2158
1971	cf::lock_wait "map_data:$path";#d#remove	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1972	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1973		2161
1974	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1975	my $guard1 = cf::lock_acquire "map_find:$path";
1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1977
1978	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1979	or return;	2164	or return;
1980		2165
1981	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1982		2167
…		…
1984	or return;	2169	or return;
1985		2170
1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1987	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1988	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
1989	undef $guard1;	2175	undef $guard1;
1990	undef $guard2;
1991	$map->reset;	2176	$map->reset;
1992	return find $path;	2177	return find $path;
1993	}	2178	}
1994		2179
1995	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1996	}	2181	}
1997	}	2182	}
1998		2183
1999	sub pre_load { }	2184	sub pre_load { }
2000	sub post_load { }	2185	#sub post_load { } # XS
2001		2186
2002	sub load {	2187	sub load {
2003	my ($self) = @_;	2188	my ($self) = @_;
2004		2189
2005	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2008		2193
2009	{	2194	{
2010	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
2011		2196
2012	return unless $self->valid;	2197	return unless $self->valid;
2013	return unless $self->in_memory == cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
2014
2015	$self->in_memory (cf::MAP_LOADING);
2016		2199
2017	$self->alloc;	2200	$self->alloc;
2018		2201
2019	$self->pre_load;	2202	$self->pre_load;
2020	cf::cede_to_tick;	2203	cf::cede_to_tick;
2021		2204
		2205	if (exists $self->{load_path}) {
2022	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
2023	$f->skip_block;	2207	$f->skip_block;
2024	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
2025	or return;	2209	or return;
2026		2210
2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
2028	if delete $self->{load_original};	2212	if delete $self->{load_original};
2029		2213
2030	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
2031	utf8::encode $uniq;	2215	utf8::encode $uniq;
2032	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
2033	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
2034	$self->clear_unique_items;	2218	$self->clear_unique_items;
2035	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
2036	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
2037	}	2222	}
2038	}	2223	}
2039	}
2040		2224
2041	$f->resolve_delayed_derefs;	2225	$f->resolve_delayed_derefs;
		2226	} else {
		2227	$self->post_load_original
		2228	if delete $self->{load_original};
		2229	}
		2230
		2231	$self->state (cf::MAP_INACTIVE);
2042		2232
2043	cf::cede_to_tick;	2233	cf::cede_to_tick;
2044	# now do the right thing for maps	2234	# now do the right thing for maps
2045	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
2046	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
2049		2239
2050	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
2051	$self->decay_objects;	2241	$self->decay_objects;
2052	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
2053	$self->update_buttons;	2243	$self->update_buttons;
		2244	$self->post_load_physics;
2054	cf::cede_to_tick;	2245	cf::cede_to_tick;
2055	$self->set_darkness_map;	2246	#$self->activate; # no longer activate maps automatically
2056	cf::cede_to_tick;
2057	$self->activate;
2058	}	2247	}
2059		2248
2060	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
2061	$self->last_access ($cf::RUNTIME);	2250	$self->last_access ($cf::RUNTIME);
2062
2063	$self->in_memory (cf::MAP_IN_MEMORY);
2064	}	2251	}
2065		2252
2066	$self->post_load;	2253	$self->post_load;
2067	}
2068		2254
		2255	1
		2256	}
		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
2069	sub customise_for {	2261	sub customise_for {
2070	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
2071		2263
2072	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
2073	if $self->per_player;	2265	if $self->per_player;
…		…
2089	or next;	2281	or next;
2090	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
2091	or next;	2283	or next;
2092	$neigh->load;	2284	$neigh->load;
2093		2285
		2286	# now find the diagonal neighbours
2094	push @neigh,	2287	push @neigh,
2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2097	}	2290	}
2098		2291
…		…
2105	}	2298	}
2106		2299
2107	sub find_sync {	2300	sub find_sync {
2108	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
2109		2302
2110	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
2111	}	2308	}
2112		2309
2113	sub do_load_sync {	2310	sub do_load_sync {
2114	my ($map) = @_;	2311	my ($map) = @_;
2115		2312
		2313	# it's a bug to call this from the main context
2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2117	if $Coro::current == $Coro::main;	2315	if $Coro::current == $Coro::main;
2118		2316
2119	cf::sync_job { $map->load };	2317	$map->load;
2120	}	2318	}
2121		2319
2122	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
2123	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
2124		2322
2125	sub find_async {	2323	sub find_async {
2126	my ($path, $origin, $load) = @_;	2324	my ($path, $origin, $load) = @_;
2127		2325
2128	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
2129		2327
		2328	print "find async $path (from $origin)\n";#d#
		2329
2130	if (my $map = $cf::MAP{$path}) {	2330	if (my $map = $cf::MAP{$path}) {
2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2331	return $map if !$load || $map->linkable;
2132	}	2332	}
2133		2333
2134	$MAP_PREFETCH{$path} |= $load;	2334	$MAP_PREFETCH{$path} |= $load;
2135		2335
2136	$MAP_PREFETCHER ||= cf::async {	2336	$MAP_PREFETCHER ||= cf::async {
…		…
2150	$MAP_PREFETCHER->prio (6);	2350	$MAP_PREFETCHER->prio (6);
2151		2351
2152	()	2352	()
2153	}	2353	}
2154		2354
		2355	# common code, used by both ->save and ->swapout
2155	sub save {	2356	sub _save {
2156	my ($self) = @_;	2357	my ($self) = @_;
2157
2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
2159		2358
2160	$self->{last_save} = $cf::RUNTIME;	2359	$self->{last_save} = $cf::RUNTIME;
2161		2360
2162	return unless $self->dirty;	2361	return unless $self->dirty;
2163		2362
…		…
2172		2371
2173	cf::async {	2372	cf::async {
2174	$Coro::current->{desc} = "map player save";	2373	$Coro::current->{desc} = "map player save";
2175	$_->contr->save for $self->players;	2374	$_->contr->save for $self->players;
2176	};	2375	};
		2376
		2377	cf::get_slot 0.02;
2177		2378
2178	if ($uniq) {	2379	if ($uniq) {
2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2180	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2381	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2181	} else {	2382	} else {
2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2383	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2183	}	2384	}
2184	}	2385	}
2185		2386
		2387	sub save {
		2388	my ($self) = @_;
		2389
		2390	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2391
		2392	$self->_save;
		2393	}
		2394
2186	sub swap_out {	2395	sub swap_out {
2187	my ($self) = @_;	2396	my ($self) = @_;
2188		2397
2189	# save first because save cedes
2190	$self->save;
2191
2192	my $lock = cf::lock_acquire "map_data:$self->{path}";	2398	my $lock = cf::lock_acquire "map_data:$self->{path}";
2193		2399
		2400	return if !$self->linkable;
		2401	return if $self->{deny_save};
2194	return if $self->players;	2402	return if $self->players;
2195	return if $self->in_memory != cf::MAP_IN_MEMORY;	2403
		2404	# first deactivate the map and "unlink" it from the core
		2405	$self->deactivate;
		2406	$_->clear_links_to ($self) for values %cf::MAP;
		2407	$self->state (cf::MAP_SWAPPED);
		2408
		2409	# then atomically save
		2410	$self->_save;
		2411
		2412	# then free the map
		2413	$self->clear;
		2414	}
		2415
		2416	sub reset_at {
		2417	my ($self) = @_;
		2418
		2419	# TODO: safety, remove and allow resettable per-player maps
2196	return if $self->{deny_save};	2420	return 1e99 if $self->{deny_reset};
2197		2421
		2422	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2423	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2424
		2425	$time + $to
		2426	}
		2427
		2428	sub should_reset {
		2429	my ($self) = @_;
		2430
		2431	$self->reset_at <= $cf::RUNTIME
		2432	}
		2433
		2434	sub reset {
		2435	my ($self) = @_;
		2436
		2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2438
		2439	return if $self->players;
		2440
		2441	cf::trace "resetting map ", $self->path, "\n";
		2442
2198	$self->in_memory (cf::MAP_SWAPPED);	2443	$self->state (cf::MAP_SWAPPED);
		2444
		2445	# need to save uniques path
		2446	unless ($self->{deny_save}) {
		2447	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2448
		2449	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2450	if $uniq;
		2451	}
		2452
		2453	delete $cf::MAP{$self->path};
2199		2454
2200	$self->deactivate;	2455	$self->deactivate;
2201	$_->clear_links_to ($self) for values %cf::MAP;	2456	$_->clear_links_to ($self) for values %cf::MAP;
2202	$self->clear;	2457	$self->clear;
2203	}
2204
2205	sub reset_at {
2206	my ($self) = @_;
2207
2208	# TODO: safety, remove and allow resettable per-player maps
2209	return 1e99 if $self->{deny_reset};
2210
2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2213
2214	$time + $to
2215	}
2216
2217	sub should_reset {
2218	my ($self) = @_;
2219
2220	$self->reset_at <= $cf::RUNTIME
2221	}
2222
2223	sub reset {
2224	my ($self) = @_;
2225
2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
2227
2228	return if $self->players;
2229
2230	warn "resetting map ", $self->path;
2231
2232	$self->in_memory (cf::MAP_SWAPPED);
2233
2234	# need to save uniques path
2235	unless ($self->{deny_save}) {
2236	my $uniq = $self->uniq_path; utf8::encode $uniq;
2237
2238	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2239	if $uniq;
2240	}
2241
2242	delete $cf::MAP{$self->path};
2243
2244	$self->deactivate;
2245	$_->clear_links_to ($self) for values %cf::MAP;
2246	$self->clear;
2247		2458
2248	$self->unlink_save;	2459	$self->unlink_save;
2249	$self->destroy;	2460	$self->destroy;
2250	}	2461	}
2251		2462
…		…
2259		2470
2260	delete $cf::MAP{$self->path};	2471	delete $cf::MAP{$self->path};
2261		2472
2262	$self->unlink_save;	2473	$self->unlink_save;
2263		2474
2264	bless $self, "cf::map";	2475	bless $self, "cf::map::wrap";
2265	delete $self->{deny_reset};	2476	delete $self->{deny_reset};
2266	$self->{deny_save} = 1;	2477	$self->{deny_save} = 1;
2267	$self->reset_timeout (1);	2478	$self->reset_timeout (1);
2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2479	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2269		2480
…		…
2318		2529
2319	sub unique_maps() {	2530	sub unique_maps() {
2320	[	2531	[
2321	map {	2532	map {
2322	utf8::decode $_;	2533	utf8::decode $_;
2323	/\.map$/	2534	s/\.map$//; # TODO future compatibility hack
		2535	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2536	? ()
2324	? normalise $_	2537	: normalise $_
2325	: ()
2326	} @{ aio_readdir $UNIQUEDIR or [] }	2538	} @{ aio_readdir $UNIQUEDIR or [] }
2327	]	2539	]
2328	}	2540	}
2329		2541
2330	package cf;	2542	=item cf::map::static_maps
		2543
		2544	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2545	file in the shared directory excluding F</styles> and F</editor>). May
		2546	block.
		2547
		2548	=cut
		2549
		2550	sub static_maps() {
		2551	my @dirs = "";
		2552	my @maps;
		2553
		2554	while (@dirs) {
		2555	my $dir = shift @dirs;
		2556
		2557	next if $dir eq "/styles" || $dir eq "/editor";
		2558
		2559	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2560	or return;
		2561
		2562	for (@$files) {
		2563	s/\.map$// or next;
		2564	utf8::decode $_;
		2565	push @maps, "$dir/$_";
		2566	}
		2567
		2568	push @dirs, map "$dir/$_", @$dirs;
		2569	}
		2570
		2571	\@maps
		2572	}
2331		2573
2332	=back	2574	=back
2333		2575
2334	=head3 cf::object	2576	=head3 cf::object
2335		2577
…		…
2339		2581
2340	=over 4	2582	=over 4
2341		2583
2342	=item $ob->inv_recursive	2584	=item $ob->inv_recursive
2343		2585
2344	Returns the inventory of the object _and_ their inventories, recursively.	2586	Returns the inventory of the object I<and> their inventories, recursively,
		2587	but I<not> the object itself.
2345		2588
2346	=cut	2589	=cut
2347		2590
2348	sub inv_recursive_;	2591	sub inv_recursive_;
2349	sub inv_recursive_ {	2592	sub inv_recursive_ {
…		…
2354	inv_recursive_ inv $_[0]	2597	inv_recursive_ inv $_[0]
2355	}	2598	}
2356		2599
2357	=item $ref = $ob->ref	2600	=item $ref = $ob->ref
2358		2601
2359	creates and returns a persistent reference to an objetc that can be stored as a string.	2602	Creates and returns a persistent reference to an object that can be stored as a string.
2360		2603
2361	=item $ob = cf::object::deref ($refstring)	2604	=item $ob = cf::object::deref ($refstring)
2362		2605
2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2606	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2364	even if the object actually exists. May block.	2607	even if the object actually exists. May block.
…		…
2396	can be C<undef>. Does the right thing when the player is currently in a	2639	can be C<undef>. Does the right thing when the player is currently in a
2397	dialogue with the given NPC character.	2640	dialogue with the given NPC character.
2398		2641
2399	=cut	2642	=cut
2400		2643
		2644	our $SAY_CHANNEL = {
		2645	id => "say",
		2646	title => "Map",
		2647	reply => "say ",
		2648	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2649	};
		2650
		2651	our $CHAT_CHANNEL = {
		2652	id => "chat",
		2653	title => "Chat",
		2654	reply => "chat ",
		2655	tooltip => "Player chat and shouts, global to the server.",
		2656	};
		2657
2401	# rough implementation of a future "reply" method that works	2658	# rough implementation of a future "reply" method that works
2402	# with dialog boxes.	2659	# with dialog boxes.
2403	#TODO: the first argument must go, split into a $npc->reply_to ( method	2660	#TODO: the first argument must go, split into a $npc->reply_to ( method
2404	sub cf::object::player::reply($$$;$) {	2661	sub cf::object::player::reply($$$;$) {
2405	my ($self, $npc, $msg, $flags) = @_;	2662	my ($self, $npc, $msg, $flags) = @_;
…		…
2416	my $dialog = $pl->{npc_dialog};	2673	my $dialog = $pl->{npc_dialog};
2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2674	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2418		2675
2419	} else {	2676	} else {
2420	$msg = $npc->name . " says: $msg" if $npc;	2677	$msg = $npc->name . " says: $msg" if $npc;
2421	$self->message ($msg, $flags);	2678	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2422	}	2679	}
2423	}	2680	}
2424	}	2681	}
2425		2682
2426	=item $object->send_msg ($channel, $msg, $color, [extra...])	2683	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2451		2708
2452	=item $player_object->enter_link	2709	=item $player_object->enter_link
2453		2710
2454	Freezes the player and moves him/her to a special map (C<{link}>).	2711	Freezes the player and moves him/her to a special map (C<{link}>).
2455		2712
2456	The player should be reasonably safe there for short amounts of time. You	2713	The player should be reasonably safe there for short amounts of time (e.g.
2457	I<MUST> call C<leave_link> as soon as possible, though.	2714	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2715	though, as the player cannot control the character while it is on the link
		2716	map.
2458		2717
2459	Will never block.	2718	Will never block.
2460		2719
2461	=item $player_object->leave_link ($map, $x, $y)	2720	=item $player_object->leave_link ($map, $x, $y)
2462		2721
…		…
2482	sub cf::object::player::enter_link {	2741	sub cf::object::player::enter_link {
2483	my ($self) = @_;	2742	my ($self) = @_;
2484		2743
2485	$self->deactivate_recursive;	2744	$self->deactivate_recursive;
2486		2745
		2746	++$self->{_link_recursion};
		2747
2487	return if UNIVERSAL::isa $self->map, "ext::map_link";	2748	return if UNIVERSAL::isa $self->map, "ext::map_link";
2488		2749
2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2490	if $self->map && $self->map->{path} ne "{link}";	2751	if $self->map && $self->map->{path} ne "{link}";
2491		2752
2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2753	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2493	}	2754	}
2494		2755
2495	sub cf::object::player::leave_link {	2756	sub cf::object::player::leave_link {
2496	my ($self, $map, $x, $y) = @_;	2757	my ($self, $map, $x, $y) = @_;
2497		2758
…		…
2514	($x, $y) = (-1, -1)	2775	($x, $y) = (-1, -1)
2515	unless (defined $x) && (defined $y);	2776	unless (defined $x) && (defined $y);
2516		2777
2517	# use -1 or undef as default coordinates, not 0, 0	2778	# use -1 or undef as default coordinates, not 0, 0
2518	($x, $y) = ($map->enter_x, $map->enter_y)	2779	($x, $y) = ($map->enter_x, $map->enter_y)
2519	if $x <=0 && $y <= 0;	2780	if $x <= 0 && $y <= 0;
2520		2781
2521	$map->load;	2782	$map->load;
2522	$map->load_neighbours;	2783	$map->load_neighbours;
2523		2784
2524	return unless $self->contr->active;	2785	return unless $self->contr->active;
2525	$self->activate_recursive;
2526		2786
2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2787	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2528	$self->enter_map ($map, $x, $y);	2788	if ($self->enter_map ($map, $x, $y)) {
2529	}	2789	# entering was successful
		2790	delete $self->{_link_recursion};
		2791	# only activate afterwards, to support waiting in hooks
		2792	$self->activate_recursive;
		2793	}
2530		2794
		2795	}
		2796
2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2797	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2532		2798
2533	Moves the player to the given map-path and coordinates by first freezing	2799	Moves the player to the given map-path and coordinates by first freezing
2534	her, loading and preparing them map, calling the provided $check callback	2800	her, loading and preparing them map, calling the provided $check callback
2535	that has to return the map if sucecssful, and then unfreezes the player on	2801	that has to return the map if sucecssful, and then unfreezes the player on
2536	the new (success) or old (failed) map position. In either case, $done will	2802	the new (success) or old (failed) map position. In either case, $done will
2537	be called at the end of this process.	2803	be called at the end of this process.
2538		2804
		2805	Note that $check will be called with a potentially non-loaded map, so if
		2806	it needs a loaded map it has to call C<< ->load >>.
		2807
2539	=cut	2808	=cut
2540		2809
2541	our $GOTOGEN;	2810	our $GOTOGEN;
2542		2811
2543	sub cf::object::player::goto {	2812	sub cf::object::player::goto {
2544	my ($self, $path, $x, $y, $check, $done) = @_;	2813	my ($self, $path, $x, $y, $check, $done) = @_;
		2814
		2815	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2816	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2817	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2818	($path, $x, $y) = @$EMERGENCY_POSITION;
		2819	}
2545		2820
2546	# do generation counting so two concurrent goto's will be executed in-order	2821	# do generation counting so two concurrent goto's will be executed in-order
2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2822	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2548		2823
2549	$self->enter_link;	2824	$self->enter_link;
…		…
2569	($path, $x, $y) = (undef, undef, undef);	2844	($path, $x, $y) = (undef, undef, undef);
2570	}	2845	}
2571	}	2846	}
2572		2847
2573	my $map = eval {	2848	my $map = eval {
2574	my $map = defined $path ? cf::map::find $path : undef;	2849	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2575		2850
2576	if ($map) {	2851	if ($map) {
2577	$map = $map->customise_for ($self);	2852	$map = $map->customise_for ($self);
2578	$map = $check->($map) if $check && $map;	2853	$map = $check->($map, $x, $y, $self) if $check && $map;
2579	} else {	2854	} else {
2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2855	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2581	}	2856	}
2582		2857
2583	$map	2858	$map
…		…
2591	if ($gen == $self->{_goto_generation}) {	2866	if ($gen == $self->{_goto_generation}) {
2592	delete $self->{_goto_generation};	2867	delete $self->{_goto_generation};
2593	$self->leave_link ($map, $x, $y);	2868	$self->leave_link ($map, $x, $y);
2594	}	2869	}
2595		2870
2596	$done->() if $done;	2871	$done->($self) if $done;
2597	})->prio (1);	2872	})->prio (1);
2598	}	2873	}
2599		2874
2600	=item $player_object->enter_exit ($exit_object)	2875	=item $player_object->enter_exit ($exit_object)
2601		2876
…		…
2621	}	2896	}
2622		2897
2623	sub prepare_random_map {	2898	sub prepare_random_map {
2624	my ($exit) = @_;	2899	my ($exit) = @_;
2625		2900
2626	my $guard = cf::lock_acquire "exit_prepare:$exit";
2627
2628	# all this does is basically replace the /! path by	2901	# all this does is basically replace the /! path by
2629	# a new random map path (?random/...) with a seed	2902	# a new random map path (?random/...) with a seed
2630	# that depends on the exit object	2903	# that depends on the exit object
2631		2904
2632	my $rmp = parse_random_map_params $exit->msg;	2905	my $rmp = parse_random_map_params $exit->msg;
…		…
2634	if ($exit->map) {	2907	if ($exit->map) {
2635	$rmp->{region} = $exit->region->name;	2908	$rmp->{region} = $exit->region->name;
2636	$rmp->{origin_map} = $exit->map->path;	2909	$rmp->{origin_map} = $exit->map->path;
2637	$rmp->{origin_x} = $exit->x;	2910	$rmp->{origin_x} = $exit->x;
2638	$rmp->{origin_y} = $exit->y;	2911	$rmp->{origin_y} = $exit->y;
		2912
		2913	$exit->map->touch;
2639	}	2914	}
2640		2915
2641	$rmp->{random_seed} ||= $exit->random_seed;	2916	$rmp->{random_seed} ||= $exit->random_seed;
2642		2917
2643	my $data = cf::to_json $rmp;	2918	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2644	my $md5 = Digest::MD5::md5_hex $data;	2919	my $md5 = Digest::MD5::md5_hex $data;
2645	my $meta = "$RANDOMDIR/$md5.meta";	2920	my $meta = "$RANDOMDIR/$md5.meta";
2646		2921
2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2922	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2648	aio_write $fh, 0, (length $data), $data, 0;	2923	aio_write $fh, 0, (length $data), $data, 0;
2649	undef $fh;	2924	undef $fh;
2650	aio_rename "$meta~", $meta;	2925	aio_rename "$meta~", $meta;
2651		2926
		2927	my $slaying = "?random/$md5";
		2928
		2929	if ($exit->valid) {
2652	$exit->slaying ("?random/$md5");	2930	$exit->slaying ("?random/$md5");
2653	$exit->msg (undef);	2931	$exit->msg (undef);
		2932	}
2654	}	2933	}
2655	}	2934	}
2656		2935
2657	sub cf::object::player::enter_exit {	2936	sub cf::object::player::enter_exit {
2658	my ($self, $exit) = @_;	2937	my ($self, $exit) = @_;
2659		2938
2660	return unless $self->type == cf::PLAYER;	2939	return unless $self->type == cf::PLAYER;
2661		2940
2662	if ($exit->slaying eq "/!") {
2663	#TODO: this should de-fi-ni-te-ly not be a sync-job
2664	# the problem is that $exit might not survive long enough
2665	# so it needs to be done right now, right here
2666	cf::sync_job { prepare_random_map $exit };
2667	}
2668
2669	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2670	my $hp = $exit->stats->hp;
2671	my $sp = $exit->stats->sp;
2672
2673	$self->enter_link;	2941	$self->enter_link;
2674		2942
2675	# if exit is damned, update players death & WoR home-position
2676	$self->contr->savebed ($slaying, $hp, $sp)
2677	if $exit->flag (FLAG_DAMNED);
2678
2679	(async {	2943	(async {
2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2944	$Coro::current->{desc} = "enter_exit";
2681		2945
2682	$self->deactivate_recursive; # just to be sure
2683	unless (eval {	2946	unless (eval {
		2947	$self->deactivate_recursive; # just to be sure
		2948
		2949	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2950	my $x = $exit->stats->hp;
		2951	my $y = $exit->stats->sp;
		2952
		2953	# special map handling
		2954	my $slaying = $exit->slaying;
		2955
		2956	# special map handling
		2957	if ($slaying eq "/!") {
		2958	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2959
		2960	prepare_random_map $exit
		2961	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2962
		2963	$map = $exit->slaying;
		2964
		2965	} elsif ($slaying eq '!up') {
		2966	$map = $exit->map->tile_path (cf::TILE_UP);
		2967	$x = $exit->x;
		2968	$y = $exit->y;
		2969
		2970	} elsif ($slaying eq '!down') {
		2971	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2972	$x = $exit->x;
		2973	$y = $exit->y;
		2974	}
		2975
2684	$self->goto ($slaying, $hp, $sp);	2976	$self->goto ($map, $x, $y);
2685		2977
		2978	# if exit is damned, update players death & WoR home-position
		2979	$self->contr->savebed ($map, $x, $y)
		2980	if $exit->flag (cf::FLAG_DAMNED);
		2981
2686	1;	2982	1
2687	}) {	2983	}) {
2688	$self->message ("Something went wrong deep within the crossfire server. "	2984	$self->message ("Something went wrong deep within the deliantra server. "
2689	. "I'll try to bring you back to the map you were before. "	2985	. "I'll try to bring you back to the map you were before. "
2690	. "Please report this to the dungeon master!",	2986	. "Please report this to the dungeon master!",
2691	cf::NDI_UNIQUE | cf::NDI_RED);	2987	cf::NDI_UNIQUE | cf::NDI_RED);
2692		2988
2693	warn "ERROR in enter_exit: $@";	2989	error "ERROR in enter_exit: $@";
2694	$self->leave_link;	2990	$self->leave_link;
2695	}	2991	}
2696	})->prio (1);	2992	})->prio (1);
2697	}	2993	}
2698		2994
…		…
2710	sub cf::client::send_drawinfo {	3006	sub cf::client::send_drawinfo {
2711	my ($self, $text, $flags) = @_;	3007	my ($self, $text, $flags) = @_;
2712		3008
2713	utf8::encode $text;	3009	utf8::encode $text;
2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3010	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3011	}
		3012
		3013	=item $client->send_big_packet ($pkt)
		3014
		3015	Like C<send_packet>, but tries to compress large packets, and fragments
		3016	them as required.
		3017
		3018	=cut
		3019
		3020	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3021
		3022	sub cf::client::send_big_packet {
		3023	my ($self, $pkt) = @_;
		3024
		3025	# try lzf for large packets
		3026	$pkt = "lzf " . Compress::LZF::compress $pkt
		3027	if 1024 <= length $pkt and $self->{can_lzf};
		3028
		3029	# split very large packets
		3030	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3031	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3032	$pkt = "frag";
		3033	}
		3034
		3035	$self->send_packet ($pkt);
2715	}	3036	}
2716		3037
2717	=item $client->send_msg ($channel, $msg, $color, [extra...])	3038	=item $client->send_msg ($channel, $msg, $color, [extra...])
2718		3039
2719	Send a drawinfo or msg packet to the client, formatting the msg for the	3040	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2723		3044
2724	=cut	3045	=cut
2725		3046
2726	# non-persistent channels (usually the info channel)	3047	# non-persistent channels (usually the info channel)
2727	our %CHANNEL = (	3048	our %CHANNEL = (
		3049	"c/motd" => {
		3050	id => "infobox",
		3051	title => "MOTD",
		3052	reply => undef,
		3053	tooltip => "The message of the day",
		3054	},
2728	"c/identify" => {	3055	"c/identify" => {
2729	id => "infobox",	3056	id => "infobox",
2730	title => "Identify",	3057	title => "Identify",
2731	reply => undef,	3058	reply => undef,
2732	tooltip => "Items recently identified",	3059	tooltip => "Items recently identified",
…		…
2734	"c/examine" => {	3061	"c/examine" => {
2735	id => "infobox",	3062	id => "infobox",
2736	title => "Examine",	3063	title => "Examine",
2737	reply => undef,	3064	reply => undef,
2738	tooltip => "Signs and other items you examined",	3065	tooltip => "Signs and other items you examined",
		3066	},
		3067	"c/shopinfo" => {
		3068	id => "infobox",
		3069	title => "Shop Info",
		3070	reply => undef,
		3071	tooltip => "What your bargaining skill tells you about the shop",
2739	},	3072	},
2740	"c/book" => {	3073	"c/book" => {
2741	id => "infobox",	3074	id => "infobox",
2742	title => "Book",	3075	title => "Book",
2743	reply => undef,	3076	reply => undef,
…		…
2759	id => "infobox",	3092	id => "infobox",
2760	title => "Body Parts",	3093	title => "Body Parts",
2761	reply => undef,	3094	reply => undef,
2762	tooltip => "Shows which body parts you posess and are available",	3095	tooltip => "Shows which body parts you posess and are available",
2763	},	3096	},
		3097	"c/statistics" => {
		3098	id => "infobox",
		3099	title => "Statistics",
		3100	reply => undef,
		3101	tooltip => "Shows your primary statistics",
		3102	},
		3103	"c/skills" => {
		3104	id => "infobox",
		3105	title => "Skills",
		3106	reply => undef,
		3107	tooltip => "Shows your experience per skill and item power",
		3108	},
		3109	"c/shopitems" => {
		3110	id => "infobox",
		3111	title => "Shop Items",
		3112	reply => undef,
		3113	tooltip => "Shows the items currently for sale in this shop",
		3114	},
		3115	"c/resistances" => {
		3116	id => "infobox",
		3117	title => "Resistances",
		3118	reply => undef,
		3119	tooltip => "Shows your resistances",
		3120	},
		3121	"c/pets" => {
		3122	id => "infobox",
		3123	title => "Pets",
		3124	reply => undef,
		3125	tooltip => "Shows information abotu your pets/a specific pet",
		3126	},
		3127	"c/perceiveself" => {
		3128	id => "infobox",
		3129	title => "Perceive Self",
		3130	reply => undef,
		3131	tooltip => "You gained detailed knowledge about yourself",
		3132	},
2764	"c/uptime" => {	3133	"c/uptime" => {
2765	id => "infobox",	3134	id => "infobox",
2766	title => "Uptime",	3135	title => "Uptime",
2767	reply => undef,	3136	reply => undef,
2768	tooltip => "How long the server has been running since last restart",	3137	tooltip => "How long the server has been running since last restart",
…		…
2771	id => "infobox",	3140	id => "infobox",
2772	title => "Map Info",	3141	title => "Map Info",
2773	reply => undef,	3142	reply => undef,
2774	tooltip => "Information related to the maps",	3143	tooltip => "Information related to the maps",
2775	},	3144	},
		3145	"c/party" => {
		3146	id => "party",
		3147	title => "Party",
		3148	reply => "gsay ",
		3149	tooltip => "Messages and chat related to your party",
		3150	},
		3151	"c/death" => {
		3152	id => "death",
		3153	title => "Death",
		3154	reply => undef,
		3155	tooltip => "Reason for and more info about your most recent death",
		3156	},
		3157	"c/say" => $SAY_CHANNEL,
		3158	"c/chat" => $CHAT_CHANNEL,
2776	);	3159	);
2777		3160
2778	sub cf::client::send_msg {	3161	sub cf::client::send_msg {
2779	my ($self, $channel, $msg, $color, @extra) = @_;	3162	my ($self, $channel, $msg, $color, @extra) = @_;
2780		3163
2781	$msg = $self->pl->expand_cfpod ($msg);	3164	$msg = $self->pl->expand_cfpod ($msg)
		3165	unless $color & cf::NDI_VERBATIM;
2782		3166
2783	$color &= cf::NDI_CLIENT_MASK; # just in case...	3167	$color &= cf::NDI_CLIENT_MASK; # just in case...
2784		3168
2785	# check predefined channels, for the benefit of C	3169	# check predefined channels, for the benefit of C
2786	if ($CHANNEL{$channel}) {	3170	if ($CHANNEL{$channel}) {
2787	$channel = $CHANNEL{$channel};	3171	$channel = $CHANNEL{$channel};
2788		3172
2789	$self->ext_msg (channel_info => $channel)	3173	$self->ext_msg (channel_info => $channel);
2790	if $self->can_msg;
2791
2792	$channel = $channel->{id};	3174	$channel = $channel->{id};
2793		3175
2794	} elsif (ref $channel) {	3176	} elsif (ref $channel) {
2795	# send meta info to client, if not yet sent	3177	# send meta info to client, if not yet sent
2796	unless (exists $self->{channel}{$channel->{id}}) {	3178	unless (exists $self->{channel}{$channel->{id}}) {
2797	$self->{channel}{$channel->{id}} = $channel;	3179	$self->{channel}{$channel->{id}} = $channel;
2798	$self->ext_msg (channel_info => $channel)	3180	$self->ext_msg (channel_info => $channel);
2799	if $self->can_msg;
2800	}	3181	}
2801		3182
2802	$channel = $channel->{id};	3183	$channel = $channel->{id};
2803	}	3184	}
2804		3185
2805	return unless @extra || length $msg;	3186	return unless @extra || length $msg;
2806		3187
2807	if ($self->can_msg) {
2808	# default colour, mask it out	3188	# default colour, mask it out
2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3189	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2810	if $color & cf::NDI_DEF;	3190	if $color & cf::NDI_DEF;
2811		3191
2812	$self->send_packet ("msg " . $self->{json_coder}->encode (	3192	my $pkt = "msg "
		3193	. $self->{json_coder}->encode (
2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3194	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2814	} else {	3195	);
2815	if ($color >= 0) {
2816	# replace some tags by gcfclient-compatible ones
2817	for ($msg) {
2818	1 while
2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2824	}
2825		3196
2826	$color &= cf::NDI_COLOR_MASK;	3197	$self->send_big_packet ($pkt);
2827
2828	utf8::encode $msg;
2829
2830	if (0 && $msg =~ /\[/) {
2831	# COMMAND/INFO
2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
2833	} else {
2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2835	$self->send_packet ("drawinfo $color $msg")
2836	}
2837	}
2838	}
2839	}	3198	}
2840		3199
2841	=item $client->ext_msg ($type, @msg)	3200	=item $client->ext_msg ($type, @msg)
2842		3201
2843	Sends an ext event to the client.	3202	Sends an ext event to the client.
…		…
2846		3205
2847	sub cf::client::ext_msg($$@) {	3206	sub cf::client::ext_msg($$@) {
2848	my ($self, $type, @msg) = @_;	3207	my ($self, $type, @msg) = @_;
2849		3208
2850	if ($self->extcmd == 2) {	3209	if ($self->extcmd == 2) {
2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2852	} elsif ($self->extcmd == 1) { # TODO: remove	3211	} elsif ($self->extcmd == 1) { # TODO: remove
2853	push @msg, msgtype => "event_$type";	3212	push @msg, msgtype => "event_$type";
2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3213	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2855	}	3214	}
2856	}	3215	}
2857		3216
2858	=item $client->ext_reply ($msgid, @msg)	3217	=item $client->ext_reply ($msgid, @msg)
2859		3218
…		…
2863		3222
2864	sub cf::client::ext_reply($$@) {	3223	sub cf::client::ext_reply($$@) {
2865	my ($self, $id, @msg) = @_;	3224	my ($self, $id, @msg) = @_;
2866		3225
2867	if ($self->extcmd == 2) {	3226	if ($self->extcmd == 2) {
2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3227	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2869	} elsif ($self->extcmd == 1) {	3228	} elsif ($self->extcmd == 1) {
2870	#TODO: version 1, remove	3229	#TODO: version 1, remove
2871	unshift @msg, msgtype => "reply", msgid => $id;	3230	unshift @msg, msgtype => "reply", msgid => $id;
2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3231	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2873	}	3232	}
2874	}	3233	}
2875		3234
2876	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2877		3236
…		…
2948		3307
2949	$ns->ext_reply ($reply, @reply)	3308	$ns->ext_reply ($reply, @reply)
2950	if $reply;	3309	if $reply;
2951		3310
2952	} else {	3311	} else {
2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3312	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2954	}	3313	}
2955		3314
2956	cf::override;	3315	cf::override;
2957	},	3316	},
2958	);	3317	);
…		…
2978		3337
2979	$coro	3338	$coro
2980	}	3339	}
2981		3340
2982	cf::client->attach (	3341	cf::client->attach (
2983	on_destroy => sub {	3342	on_client_destroy => sub {
2984	my ($ns) = @_;	3343	my ($ns) = @_;
2985		3344
2986	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3345	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2987	},	3346	},
2988	);	3347	);
…		…
3004	our $safe_hole = new Safe::Hole;	3363	our $safe_hole = new Safe::Hole;
3005		3364
3006	$SIG{FPE} = 'IGNORE';	3365	$SIG{FPE} = 'IGNORE';
3007		3366
3008	$safe->permit_only (Opcode::opset qw(	3367	$safe->permit_only (Opcode::opset qw(
3009	:base_core :base_mem :base_orig :base_math	3368	:base_core :base_mem :base_orig :base_math :base_loop
3010	grepstart grepwhile mapstart mapwhile	3369	grepstart grepwhile mapstart mapwhile
3011	sort time	3370	sort time
3012	));	3371	));
3013		3372
3014	# here we export the classes and methods available to script code	3373	# here we export the classes and methods available to script code
…		…
3017		3376
3018	The following functions and methods are available within a safe environment:	3377	The following functions and methods are available within a safe environment:
3019		3378
3020	cf::object	3379	cf::object
3021	contr pay_amount pay_player map x y force_find force_add destroy	3380	contr pay_amount pay_player map x y force_find force_add destroy
3022	insert remove name archname title slaying race decrease_ob_nr	3381	insert remove name archname title slaying race decrease split
		3382	value
3023		3383
3024	cf::object::player	3384	cf::object::player
3025	player	3385	player
3026		3386
3027	cf::player	3387	cf::player
…		…
3032		3392
3033	=cut	3393	=cut
3034		3394
3035	for (	3395	for (
3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3396	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3037	insert remove inv name archname title slaying race	3397	insert remove inv nrof name archname title slaying race
3038	decrease_ob_nr destroy)],	3398	decrease split destroy change_exp value msg lore send_msg)],
3039	["cf::object::player" => qw(player)],	3399	["cf::object::player" => qw(player)],
3040	["cf::player" => qw(peaceful)],	3400	["cf::player" => qw(peaceful send_msg)],
3041	["cf::map" => qw(trigger)],	3401	["cf::map" => qw(trigger)],
3042	) {	3402	) {
3043	no strict 'refs';
3044	my ($pkg, @funs) = @$_;	3403	my ($pkg, @funs) = @$_;
3045	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3404	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3046	for @funs;	3405	for @funs;
3047	}	3406	}
3048		3407
…		…
3063		3422
3064	my $qcode = $code;	3423	my $qcode = $code;
3065	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3424	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3066	$qcode =~ s/\n/\\n/g;	3425	$qcode =~ s/\n/\\n/g;
3067		3426
		3427	%vars = (_dummy => 0) unless %vars;
		3428
		3429	my @res;
3068	local $_;	3430	local $_;
3069	local @safe::cf::_safe_eval_args = values %vars;
3070		3431
3071	my $eval =	3432	my $eval =
3072	"do {\n"	3433	"do {\n"
3073	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3434	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3074	. "#line 0 \"{$qcode}\"\n"	3435	. "#line 0 \"{$qcode}\"\n"
3075	. $code	3436	. $code
3076	. "\n}"	3437	. "\n}"
3077	;	3438	;
3078		3439
		3440	if ($CFG{safe_eval}) {
3079	sub_generation_inc;	3441	sub_generation_inc;
		3442	local @safe::cf::_safe_eval_args = values %vars;
3080	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3443	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3081	sub_generation_inc;	3444	sub_generation_inc;
		3445	} else {
		3446	local @cf::_safe_eval_args = values %vars;
		3447	@res = wantarray ? eval eval : scalar eval $eval;
		3448	}
3082		3449
3083	if ($@) {	3450	if ($@) {
3084	warn "$@";	3451	warn "$@",
3085	warn "while executing safe code '$code'\n";	3452	"while executing safe code '$code'\n",
3086	warn "with arguments " . (join " ", %vars) . "\n";	3453	"with arguments " . (join " ", %vars) . "\n";
3087	}	3454	}
3088		3455
3089	wantarray ? @res : $res[0]	3456	wantarray ? @res : $res[0]
3090	}	3457	}
3091		3458
…		…
3105	=cut	3472	=cut
3106		3473
3107	sub register_script_function {	3474	sub register_script_function {
3108	my ($fun, $cb) = @_;	3475	my ($fun, $cb) = @_;
3109		3476
3110	no strict 'refs';	3477	$fun = "safe::$fun" if $CFG{safe_eval};
3111	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3478	*$fun = $safe_hole->wrap ($cb);
3112	}	3479	}
3113		3480
3114	=back	3481	=back
3115		3482
3116	=cut	3483	=cut
…		…
3125	# for this (global event?)	3492	# for this (global event?)
3126	%ext::player_env::MUSIC_FACE_CACHE = ();	3493	%ext::player_env::MUSIC_FACE_CACHE = ();
3127		3494
3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3495	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3129		3496
3130	warn "loading facedata from $path\n";	3497	trace "loading facedata from $path\n";
3131		3498
3132	my $facedata;	3499	my $facedata = decode_storable load_file $path;
3133	0 < aio_load $path, $facedata
3134	or die "$path: $!";
3135
3136	$facedata = Coro::Storable::thaw $facedata;
3137		3500
3138	$facedata->{version} == 2	3501	$facedata->{version} == 2
3139	or cf::cleanup "$path: version mismatch, cannot proceed.";	3502	or cf::cleanup "$path: version mismatch, cannot proceed.";
3140		3503
3141	# patch in the exptable	3504	# patch in the exptable
		3505	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3142	$facedata->{resource}{"res/exp_table"} = {	3506	$facedata->{resource}{"res/exp_table"} = {
3143	type => FT_RSRC,	3507	type => FT_RSRC,
3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3508	data => $exp_table,
		3509	hash => (Digest::MD5::md5 $exp_table),
3145	};	3510	};
3146	cf::cede_to_tick;	3511	cf::cede_to_tick;
3147		3512
3148	{	3513	{
3149	my $faces = $facedata->{faceinfo};	3514	my $faces = $facedata->{faceinfo};
3150		3515
3151	while (my ($face, $info) = each %$faces) {	3516	while (my ($face, $info) = each %$faces) {
3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3517	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3518
3153	cf::face::set_visibility $idx, $info->{visibility};	3519	cf::face::set_visibility $idx, $info->{visibility};
3154	cf::face::set_magicmap $idx, $info->{magicmap};	3520	cf::face::set_magicmap $idx, $info->{magicmap};
3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3521	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3522	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3523	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3157		3524
3158	cf::cede_to_tick;	3525	cf::cede_to_tick;
3159	}	3526	}
3160		3527
3161	while (my ($face, $info) = each %$faces) {	3528	while (my ($face, $info) = each %$faces) {
3162	next unless $info->{smooth};	3529	next unless $info->{smooth};
		3530
3163	my $idx = cf::face::find $face	3531	my $idx = cf::face::find $face
3164	or next;	3532	or next;
		3533
3165	if (my $smooth = cf::face::find $info->{smooth}) {	3534	if (my $smooth = cf::face::find $info->{smooth}) {
3166	cf::face::set_smooth $idx, $smooth;	3535	cf::face::set_smooth $idx, $smooth;
3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3536	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3168	} else {	3537	} else {
3169	warn "smooth face '$info->{smooth}' not found for face '$face'";	3538	error "smooth face '$info->{smooth}' not found for face '$face'";
3170	}	3539	}
3171		3540
3172	cf::cede_to_tick;	3541	cf::cede_to_tick;
3173	}	3542	}
3174	}	3543	}
…		…
3183		3552
3184	cf::anim::invalidate_all; # d'oh	3553	cf::anim::invalidate_all; # d'oh
3185	}	3554	}
3186		3555
3187	{	3556	{
3188	# TODO: for gcfclient pleasure, we should give resources
3189	# that gcfclient doesn't grok a >10000 face index.
3190	my $res = $facedata->{resource};	3557	my $res = $facedata->{resource};
3191		3558
3192	my $soundconf = delete $res->{"res/sound.conf"};
3193
3194	while (my ($name, $info) = each %$res) {	3559	while (my ($name, $info) = each %$res) {
		3560	if (defined $info->{type}) {
3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3561	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3196	my $data;
3197		3562
3198	if ($info->{type} & 1) {	3563	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3199	# prepend meta info	3564	cf::face::set_type $idx, $info->{type};
3200
3201	my $meta = $enc->encode ({
3202	name => $name,
3203	%{ $info->{meta} || {} },
3204	});
3205
3206	$data = pack "(w/a*)*", $meta, $info->{data};
3207	} else {	3565	} else {
3208	$data = $info->{data};	3566	$RESOURCE{$name} = $info; # unused
3209	}	3567	}
3210		3568
3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3212	cf::face::set_type $idx, $info->{type};
3213
3214	cf::cede_to_tick;	3569	cf::cede_to_tick;
3215	}	3570	}
3216
3217	if ($soundconf) {
3218	$soundconf = $enc->decode (delete $soundconf->{data});
3219
3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3221	my $sound = $soundconf->{compat}[$_]
3222	or next;
3223
3224	my $face = cf::face::find "sound/$sound->[1]";
3225	cf::sound::set $sound->[0] => $face;
3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3227	}
3228
3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
3230	my $face = cf::face::find "sound/$v";
3231	cf::sound::set $k => $face;
3232	}
3233	}
3234	}	3571	}
		3572
		3573	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3235		3574
3236	1	3575	1
3237	}	3576	}
3238		3577
3239	register_exticmd fx_want => sub {	3578	register_exticmd fx_want => sub {
…		…
3241		3580
3242	while (my ($k, $v) = each %$want) {	3581	while (my ($k, $v) = each %$want) {
3243	$ns->fx_want ($k, $v);	3582	$ns->fx_want ($k, $v);
3244	}	3583	}
3245	};	3584	};
		3585
		3586	sub load_resource_file($) {
		3587	my $guard = lock_acquire "load_resource_file";
		3588
		3589	my $status = load_resource_file_ $_[0];
		3590	get_slot 0.1, 100;
		3591	cf::arch::commit_load;
		3592
		3593	$status
		3594	}
3246		3595
3247	sub reload_regions {	3596	sub reload_regions {
3248	# HACK to clear player env face cache, we need some signal framework	3597	# HACK to clear player env face cache, we need some signal framework
3249	# for this (global event?)	3598	# for this (global event?)
3250	%ext::player_env::MUSIC_FACE_CACHE = ();	3599	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3264	}	3613	}
3265		3614
3266	sub reload_archetypes {	3615	sub reload_archetypes {
3267	load_resource_file "$DATADIR/archetypes"	3616	load_resource_file "$DATADIR/archetypes"
3268	or die "unable to load archetypes\n";	3617	or die "unable to load archetypes\n";
3269	#d# NEED to laod twice to resolve forward references
3270	# this really needs to be done in an extra post-pass
3271	# (which needs to be synchronous, so solve it differently)
3272	load_resource_file "$DATADIR/archetypes"
3273	or die "unable to load archetypes\n";
3274	}	3618	}
3275		3619
3276	sub reload_treasures {	3620	sub reload_treasures {
3277	load_resource_file "$DATADIR/treasures"	3621	load_resource_file "$DATADIR/treasures"
3278	or die "unable to load treasurelists\n";	3622	or die "unable to load treasurelists\n";
3279	}	3623	}
3280		3624
		3625	sub reload_sound {
		3626	trace "loading sound config from $DATADIR/sound\n";
		3627
		3628	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3629
		3630	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3631	my $sound = $soundconf->{compat}[$_]
		3632	or next;
		3633
		3634	my $face = cf::face::find "sound/$sound->[1]";
		3635	cf::sound::set $sound->[0] => $face;
		3636	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3637	}
		3638
		3639	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3640	my $face = cf::face::find "sound/$v";
		3641	cf::sound::set $k => $face;
		3642	}
		3643	}
		3644
3281	sub reload_resources {	3645	sub reload_resources {
3282	warn "reloading resource files...\n";	3646	trace "reloading resource files...\n";
3283		3647
		3648	reload_exp_table;
		3649	reload_materials;
		3650	reload_facedata;
		3651	reload_sound;
		3652	reload_archetypes;
3284	reload_regions;	3653	reload_regions;
3285	reload_facedata;
3286	#reload_archetypes;#d#
3287	reload_archetypes;
3288	reload_treasures;	3654	reload_treasures;
3289		3655
3290	warn "finished reloading resource files\n";	3656	trace "finished reloading resource files\n";
3291	}
3292
3293	sub init {
3294	reload_resources;
3295	}	3657	}
3296		3658
3297	sub reload_config {	3659	sub reload_config {
3298	open my $fh, "<:utf8", "$CONFDIR/config"	3660	trace "reloading config file...\n";
3299	or return;
3300		3661
3301	local $/;	3662	my $config = load_file "$CONFDIR/config";
3302	*CFG = YAML::Syck::Load <$fh>;	3663	utf8::decode $config;
		3664	*CFG = decode_yaml $config;
3303		3665
3304	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3666	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3305		3667
3306	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3668	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3307	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3669	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3308		3670
3309	if (exists $CFG{mlockall}) {	3671	if (exists $CFG{mlockall}) {
…		…
3313	};	3675	};
3314	warn $@ if $@;	3676	warn $@ if $@;
3315	}	3677	}
3316	}	3678	}
3317		3679
		3680	sub pidfile() {
		3681	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3682	or die "$PIDFILE: $!";
		3683	flock $fh, &Fcntl::LOCK_EX
		3684	or die "$PIDFILE: flock: $!";
		3685	$fh
		3686	}
		3687
		3688	# make sure only one server instance is running at any one time
		3689	sub atomic {
		3690	my $fh = pidfile;
		3691
		3692	my $pid = <$fh>;
		3693	kill 9, $pid if $pid > 0;
		3694
		3695	seek $fh, 0, 0;
		3696	print $fh $$;
		3697	}
		3698
		3699	sub main_loop {
		3700	trace "EV::loop starting\n";
		3701	if (1) {
		3702	EV::loop;
		3703	}
		3704	trace "EV::loop returned\n";
		3705	goto &main_loop unless $REALLY_UNLOOP;
		3706	}
		3707
3318	sub main {	3708	sub main {
		3709	cf::init_globals; # initialise logging
		3710
		3711	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3712	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3713	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3714	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3715
		3716	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3717
3319	# we must not ever block the main coroutine	3718	# we must not ever block the main coroutine
3320	local $Coro::idle = sub {	3719	local $Coro::idle = sub {
3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3720	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3322	(async {	3721	(async {
3323	$Coro::current->{desc} = "IDLE BUG HANDLER";	3722	$Coro::current->{desc} = "IDLE BUG HANDLER";
3324	EV::loop EV::LOOP_ONESHOT;	3723	EV::loop EV::LOOP_ONESHOT;
3325	})->prio (Coro::PRIO_MAX);	3724	})->prio (Coro::PRIO_MAX);
3326	};	3725	};
3327		3726
		3727	evthread_start IO::AIO::poll_fileno;
		3728
		3729	cf::sync_job {
		3730	cf::incloader::init ();
		3731
		3732	cf::init_anim;
		3733	cf::init_attackmess;
		3734	cf::init_dynamic;
		3735
		3736	cf::load_settings;
		3737
		3738	reload_resources;
3328	reload_config;	3739	reload_config;
3329	db_init;	3740	db_init;
		3741
		3742	cf::init_uuid;
		3743	cf::init_signals;
		3744	cf::init_skills;
		3745
		3746	cf::init_beforeplay;
		3747
		3748	atomic;
		3749
3330	load_extensions;	3750	load_extensions;
3331		3751
3332	$TICK_WATCHER->start;	3752	utime time, time, $RUNTIMEFILE;
3333	EV::loop;	3753
		3754	# no (long-running) fork's whatsoever before this point(!)
		3755	use POSIX ();
		3756	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3757
		3758	cf::_post_init 0;
		3759	};
		3760
		3761	cf::object::thawer::errors_are_fatal 0;
		3762	info "parse errors in files are no longer fatal from this point on.\n";
		3763
		3764	my $free_main; $free_main = EV::idle sub {
		3765	undef $free_main;
		3766	undef &main; # free gobs of memory :)
		3767	};
		3768
		3769	goto &main_loop;
3334	}	3770	}
3335		3771
3336	#############################################################################	3772	#############################################################################
3337	# initialisation and cleanup	3773	# initialisation and cleanup
3338		3774
3339	# install some emergency cleanup handlers	3775	# install some emergency cleanup handlers
3340	BEGIN {	3776	BEGIN {
3341	our %SIGWATCHER = ();	3777	our %SIGWATCHER = ();
3342	for my $signal (qw(INT HUP TERM)) {	3778	for my $signal (qw(INT HUP TERM)) {
3343	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3779	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3344	cf::cleanup "SIG$signal";	3780	cf::cleanup "SIG$signal";
3345	};	3781	};
3346	}	3782	}
3347	}	3783	}
3348		3784
3349	sub write_runtime {	3785	sub write_runtime_sync {
3350	my $runtime = "$LOCALDIR/runtime";	3786	my $t0 = AE::time;
3351		3787
3352	# first touch the runtime file to show we are still running:	3788	# first touch the runtime file to show we are still running:
3353	# the fsync below can take a very very long time.	3789	# the fsync below can take a very very long time.
3354		3790
3355	IO::AIO::aio_utime $runtime, undef, undef;	3791	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3356		3792
3357	my $guard = cf::lock_acquire "write_runtime";	3793	my $guard = cf::lock_acquire "write_runtime";
3358		3794
3359	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3795	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3360	or return;	3796	or return;
3361		3797
3362	my $value = $cf::RUNTIME + 90 + 10;	3798	my $value = $cf::RUNTIME + 90 + 10;
3363	# 10 is the runtime save interval, for a monotonic clock	3799	# 10 is the runtime save interval, for a monotonic clock
3364	# 60 allows for the watchdog to kill the server.	3800	# 60 allows for the watchdog to kill the server.
…		…
3374	aio_utime $fh, undef, undef;	3810	aio_utime $fh, undef, undef;
3375		3811
3376	close $fh	3812	close $fh
3377	or return;	3813	or return;
3378		3814
3379	aio_rename "$runtime~", $runtime	3815	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3380	and return;	3816	and return;
3381		3817
3382	warn "runtime file written.\n";	3818	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3383		3819
3384	1	3820	1
		3821	}
		3822
		3823	our $uuid_lock;
		3824	our $uuid_skip;
		3825
		3826	sub write_uuid_sync($) {
		3827	$uuid_skip ||= $_[0];
		3828
		3829	return if $uuid_lock;
		3830	local $uuid_lock = 1;
		3831
		3832	my $uuid = "$LOCALDIR/uuid";
		3833
		3834	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3835	or return;
		3836
		3837	my $value = uuid_seq uuid_cur;
		3838
		3839	unless ($value) {
		3840	info "cowardly refusing to write zero uuid value!\n";
		3841	return;
		3842	}
		3843
		3844	my $value = uuid_str $value + $uuid_skip;
		3845	$uuid_skip = 0;
		3846
		3847	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3848	and return;
		3849
		3850	# always fsync - this file is important
		3851	aio_fsync $fh
		3852	and return;
		3853
		3854	close $fh
		3855	or return;
		3856
		3857	aio_rename "$uuid~", $uuid
		3858	and return;
		3859
		3860	trace "uuid file written ($value).\n";
		3861
		3862	1
		3863
		3864	}
		3865
		3866	sub write_uuid($$) {
		3867	my ($skip, $sync) = @_;
		3868
		3869	$sync ? write_uuid_sync $skip
		3870	: async { write_uuid_sync $skip };
3385	}	3871	}
3386		3872
3387	sub emergency_save() {	3873	sub emergency_save() {
3388	my $freeze_guard = cf::freeze_mainloop;	3874	my $freeze_guard = cf::freeze_mainloop;
3389		3875
3390	warn "enter emergency perl save\n";	3876	info "emergency_perl_save: enter\n";
		3877
		3878	# this is a trade-off: we want to be very quick here, so
		3879	# save all maps without fsync, and later call a global sync
		3880	# (which in turn might be very very slow)
		3881	local $USE_FSYNC = 0;
3391		3882
3392	cf::sync_job {	3883	cf::sync_job {
		3884	cf::write_runtime_sync; # external watchdog should not bark
		3885
3393	# use a peculiar iteration method to avoid tripping on perl	3886	# use a peculiar iteration method to avoid tripping on perl
3394	# refcount bugs in for. also avoids problems with players	3887	# refcount bugs in for. also avoids problems with players
3395	# and maps saved/destroyed asynchronously.	3888	# and maps saved/destroyed asynchronously.
3396	warn "begin emergency player save\n";	3889	info "emergency_perl_save: begin player save\n";
3397	for my $login (keys %cf::PLAYER) {	3890	for my $login (keys %cf::PLAYER) {
3398	my $pl = $cf::PLAYER{$login} or next;	3891	my $pl = $cf::PLAYER{$login} or next;
3399	$pl->valid or next;	3892	$pl->valid or next;
3400	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3893	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3401	$pl->save;	3894	$pl->save;
3402	}	3895	}
3403	warn "end emergency player save\n";	3896	info "emergency_perl_save: end player save\n";
3404		3897
3405	warn "begin emergency map save\n";	3898	cf::write_runtime_sync; # external watchdog should not bark
		3899
		3900	info "emergency_perl_save: begin map save\n";
3406	for my $path (keys %cf::MAP) {	3901	for my $path (keys %cf::MAP) {
3407	my $map = $cf::MAP{$path} or next;	3902	my $map = $cf::MAP{$path} or next;
3408	$map->valid or next;	3903	$map->valid or next;
3409	$map->save;	3904	$map->save;
3410	}	3905	}
3411	warn "end emergency map save\n";	3906	info "emergency_perl_save: end map save\n";
3412		3907
3413	warn "begin emergency database checkpoint\n";	3908	cf::write_runtime_sync; # external watchdog should not bark
		3909
		3910	info "emergency_perl_save: begin database checkpoint\n";
3414	BDB::db_env_txn_checkpoint $DB_ENV;	3911	BDB::db_env_txn_checkpoint $DB_ENV;
3415	warn "end emergency database checkpoint\n";	3912	info "emergency_perl_save: end database checkpoint\n";
		3913
		3914	info "emergency_perl_save: begin write uuid\n";
		3915	write_uuid_sync 1;
		3916	info "emergency_perl_save: end write uuid\n";
		3917
		3918	cf::write_runtime_sync; # external watchdog should not bark
		3919
		3920	trace "emergency_perl_save: syncing database to disk";
		3921	BDB::db_env_txn_checkpoint $DB_ENV;
		3922
		3923	info "emergency_perl_save: starting sync\n";
		3924	IO::AIO::aio_sync sub {
		3925	info "emergency_perl_save: finished sync\n";
		3926	};
		3927
		3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	trace "emergency_perl_save: flushing outstanding aio requests";
		3931	while (IO::AIO::nreqs || BDB::nreqs) {
		3932	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3933	}
		3934
		3935	cf::write_runtime_sync; # external watchdog should not bark
3416	};	3936	};
3417		3937
3418	warn "leave emergency perl save\n";	3938	info "emergency_perl_save: leave\n";
3419	}	3939	}
3420		3940
3421	sub post_cleanup {	3941	sub post_cleanup {
3422	my ($make_core) = @_;	3942	my ($make_core) = @_;
3423		3943
		3944	IO::AIO::flush;
		3945
3424	warn Carp::longmess "post_cleanup backtrace"	3946	error Carp::longmess "post_cleanup backtrace"
3425	if $make_core;	3947	if $make_core;
		3948
		3949	my $fh = pidfile;
		3950	unlink $PIDFILE if <$fh> == $$;
		3951	}
		3952
		3953	# a safer delete_package, copied from Symbol
		3954	sub clear_package($) {
		3955	my $pkg = shift;
		3956
		3957	# expand to full symbol table name if needed
		3958	unless ($pkg =~ /^main::.*::$/) {
		3959	$pkg = "main$pkg" if $pkg =~ /^::/;
		3960	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3961	$pkg .= '::' unless $pkg =~ /::$/;
		3962	}
		3963
		3964	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3965	my $stem_symtab = *{$stem}{HASH};
		3966
		3967	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3968	or return;
		3969
		3970	# clear all symbols
		3971	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3972	for my $name (keys %$leaf_symtab) {
		3973	_gv_clear *{"$pkg$name"};
		3974	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3975	}
3426	}	3976	}
3427		3977
3428	sub do_reload_perl() {	3978	sub do_reload_perl() {
3429	# can/must only be called in main	3979	# can/must only be called in main
3430	if ($Coro::current != $Coro::main) {	3980	unless (in_main) {
3431	warn "can only reload from main coroutine";	3981	error "can only reload from main coroutine";
3432	return;	3982	return;
3433	}	3983	}
3434		3984
3435	warn "reloading...";	3985	return if $RELOAD++;
3436		3986
3437	warn "entering sync_job";	3987	my $t1 = AE::time;
3438		3988
		3989	while ($RELOAD) {
		3990	cf::get_slot 0.1, -1, "reload_perl";
		3991	info "perl_reload: reloading...";
		3992
		3993	trace "perl_reload: entering sync_job";
		3994
3439	cf::sync_job {	3995	cf::sync_job {
3440	cf::write_runtime; # external watchdog should not bark
3441	cf::emergency_save;	3996	#cf::emergency_save;
3442	cf::write_runtime; # external watchdog should not bark
3443		3997
3444	warn "syncing database to disk";
3445	BDB::db_env_txn_checkpoint $DB_ENV;
3446
3447	# if anything goes wrong in here, we should simply crash as we already saved
3448
3449	warn "flushing outstanding aio requests";
3450	for (;;) {
3451	BDB::flush;
3452	IO::AIO::flush;
3453	Coro::cede_notself;
3454	last unless IO::AIO::nreqs || BDB::nreqs;
3455	warn "iterate...";
3456	}
3457
3458	++$RELOAD;
3459
3460	warn "cancelling all extension coros";	3998	trace "perl_reload: cancelling all extension coros";
3461	$_->cancel for values %EXT_CORO;	3999	$_->cancel for values %EXT_CORO;
3462	%EXT_CORO = ();	4000	%EXT_CORO = ();
3463		4001
3464	warn "removing commands";	4002	trace "perl_reload: removing commands";
3465	%COMMAND = ();	4003	%COMMAND = ();
3466		4004
3467	warn "removing ext/exti commands";	4005	trace "perl_reload: removing ext/exti commands";
3468	%EXTCMD = ();	4006	%EXTCMD = ();
3469	%EXTICMD = ();	4007	%EXTICMD = ();
3470		4008
3471	warn "unloading/nuking all extensions";	4009	trace "perl_reload: unloading/nuking all extensions";
3472	for my $pkg (@EXTS) {	4010	for my $pkg (@EXTS) {
3473	warn "... unloading $pkg";	4011	trace "... unloading $pkg";
3474		4012
3475	if (my $cb = $pkg->can ("unload")) {	4013	if (my $cb = $pkg->can ("unload")) {
3476	eval {	4014	eval {
3477	$cb->($pkg);	4015	$cb->($pkg);
3478	1	4016	1
3479	} or warn "$pkg unloaded, but with errors: $@";	4017	} or error "$pkg unloaded, but with errors: $@";
		4018	}
		4019
		4020	trace "... clearing $pkg";
		4021	clear_package $pkg;
3480	}	4022	}
3481		4023
3482	warn "... nuking $pkg";
3483	Symbol::delete_package $pkg;
3484	}
3485
3486	warn "unloading all perl modules loaded from $LIBDIR";	4024	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3487	while (my ($k, $v) = each %INC) {	4025	while (my ($k, $v) = each %INC) {
3488	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4026	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3489		4027
3490	warn "... unloading $k";	4028	trace "... unloading $k";
3491	delete $INC{$k};	4029	delete $INC{$k};
3492		4030
3493	$k =~ s/\.pm$//;	4031	$k =~ s/\.pm$//;
3494	$k =~ s/\//::/g;	4032	$k =~ s/\//::/g;
3495		4033
3496	if (my $cb = $k->can ("unload_module")) {	4034	if (my $cb = $k->can ("unload_module")) {
3497	$cb->();	4035	$cb->();
		4036	}
		4037
		4038	clear_package $k;
3498	}	4039	}
3499		4040
3500	Symbol::delete_package $k;
3501	}
3502
3503	warn "getting rid of safe::, as good as possible";	4041	trace "perl_reload: getting rid of safe::, as good as possible";
3504	Symbol::delete_package "safe::$_"	4042	clear_package "safe::$_"
3505	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4043	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3506		4044
3507	warn "unloading cf.pm \"a bit\"";	4045	trace "perl_reload: unloading cf.pm \"a bit\"";
3508	delete $INC{"cf.pm"};	4046	delete $INC{"cf.pm"};
3509	delete $INC{"cf/pod.pm"};	4047	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3510		4048
3511	# don't, removes xs symbols, too,	4049	# don't, removes xs symbols, too,
3512	# and global variables created in xs	4050	# and global variables created in xs
3513	#Symbol::delete_package __PACKAGE__;	4051	#clear_package __PACKAGE__;
3514		4052
3515	warn "unload completed, starting to reload now";	4053	info "perl_reload: unload completed, starting to reload now";
3516		4054
3517	warn "reloading cf.pm";	4055	trace "perl_reload: reloading cf.pm";
3518	require cf;	4056	require cf;
3519	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4057	cf::_connect_to_perl_1;
3520		4058
3521	warn "loading config and database again";	4059	trace "perl_reload: loading config and database again";
3522	cf::reload_config;	4060	cf::reload_config;
3523		4061
3524	warn "loading extensions";	4062	trace "perl_reload: loading extensions";
3525	cf::load_extensions;	4063	cf::load_extensions;
3526		4064
		4065	if ($REATTACH_ON_RELOAD) {
3527	warn "reattaching attachments to objects/players";	4066	trace "perl_reload: reattaching attachments to objects/players";
3528	_global_reattach; # objects, sockets	4067	_global_reattach; # objects, sockets
3529	warn "reattaching attachments to maps";	4068	trace "perl_reload: reattaching attachments to maps";
3530	reattach $_ for values %MAP;	4069	reattach $_ for values %MAP;
3531	warn "reattaching attachments to players";	4070	trace "perl_reload: reattaching attachments to players";
3532	reattach $_ for values %PLAYER;	4071	reattach $_ for values %PLAYER;
		4072	}
3533		4073
3534	warn "leaving sync_job";	4074	cf::_post_init 1;
3535		4075
		4076	trace "perl_reload: leaving sync_job";
		4077
3536	1	4078	1
3537	} or do {	4079	} or do {
3538	warn $@;	4080	error $@;
3539	warn "error while reloading, exiting.";	4081	cf::cleanup "perl_reload: error, exiting.";
3540	exit 1;	4082	};
		4083
		4084	--$RELOAD;
3541	};	4085	}
3542		4086
3543	warn "reloaded";	4087	$t1 = AE::time - $t1;
		4088	info "perl_reload: completed in ${t1}s\n";
3544	};	4089	};
3545		4090
3546	our $RELOAD_WATCHER; # used only during reload	4091	our $RELOAD_WATCHER; # used only during reload
3547		4092
3548	sub reload_perl() {	4093	sub reload_perl() {
3549	# doing reload synchronously and two reloads happen back-to-back,	4094	# doing reload synchronously and two reloads happen back-to-back,
3550	# coro crashes during coro_state_free->destroy here.	4095	# coro crashes during coro_state_free->destroy here.
3551		4096
		4097	$RELOAD_WATCHER ||= cf::async {
		4098	Coro::AIO::aio_wait cache_extensions;
		4099
3552	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4100	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4101	do_reload_perl;
3553	undef $RELOAD_WATCHER;	4102	undef $RELOAD_WATCHER;
3554	do_reload_perl;	4103	};
3555	};	4104	};
3556	}	4105	}
3557		4106
3558	register_command "reload" => sub {	4107	register_command "reload" => sub {
3559	my ($who, $arg) = @_;	4108	my ($who, $arg) = @_;
…		…
3565	reload_perl;	4114	reload_perl;
3566	};	4115	};
3567	}	4116	}
3568	};	4117	};
3569		4118
3570	unshift @INC, $LIBDIR;	4119	#############################################################################
3571		4120
3572	my $bug_warning = 0;	4121	my $bug_warning = 0;
3573		4122
3574	our @WAIT_FOR_TICK;
3575	our @WAIT_FOR_TICK_BEGIN;
3576
3577	sub wait_for_tick {	4123	sub wait_for_tick() {
3578	return unless $TICK_WATCHER->is_active;	4124	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3579	return if $Coro::current == $Coro::main;
3580		4125
3581	my $signal = new Coro::Signal;	4126	$WAIT_FOR_TICK->wait;
3582	push @WAIT_FOR_TICK, $signal;
3583	$signal->wait;
3584	}	4127	}
3585		4128
3586	sub wait_for_tick_begin {	4129	sub wait_for_tick_begin() {
3587	return unless $TICK_WATCHER->is_active;	4130	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3588	return if $Coro::current == $Coro::main;
3589		4131
3590	my $signal = new Coro::Signal;	4132	my $signal = new Coro::Signal;
3591	push @WAIT_FOR_TICK_BEGIN, $signal;	4133	push @WAIT_FOR_TICK_BEGIN, $signal;
3592	$signal->wait;	4134	$signal->wait;
3593	}	4135	}
3594		4136
3595	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4137	sub tick {
3596	if ($Coro::current != $Coro::main) {	4138	if ($Coro::current != $Coro::main) {
3597	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4139	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3598	unless ++$bug_warning > 10;	4140	unless ++$bug_warning > 10;
3599	return;	4141	return;
3600	}	4142	}
3601		4143
3602	$NOW = $tick_start = EV::now;	4144	cf::one_tick; # one server iteration
3603		4145
3604	cf::server_tick; # one server iteration	4146	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3605
3606	$RUNTIME += $TICK;
3607	$NEXT_TICK += $TICK;
3608		4147
3609	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4148	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3610	$NEXT_RUNTIME_WRITE = $NOW + 10;	4149	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3611	Coro::async_pool {	4150	Coro::async_pool {
3612	$Coro::current->{desc} = "runtime saver";	4151	$Coro::current->{desc} = "runtime saver";
3613	write_runtime	4152	write_runtime_sync
3614	or warn "ERROR: unable to write runtime file: $!";	4153	or error "ERROR: unable to write runtime file: $!";
3615	};	4154	};
3616	}	4155	}
3617		4156
3618	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3619	$sig->send;	4158	$sig->send;
3620	}	4159	}
3621	while (my $sig = shift @WAIT_FOR_TICK) {	4160	$WAIT_FOR_TICK->broadcast;
3622	$sig->send;
3623	}
3624		4161
3625	$LOAD = ($NOW - $tick_start) / $TICK;	4162	$LOAD = ($NOW - $TICK_START) / $TICK;
3626	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4163	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3627		4164
3628	_post_tick;	4165	if (0) {
3629	};	4166	if ($NEXT_TICK) {
3630	$TICK_WATCHER->priority (EV::MAXPRI);	4167	my $jitter = $TICK_START - $NEXT_TICK;
		4168	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4169	debug "jitter $JITTER\n";#d#
		4170	}
		4171	}
		4172	}
3631		4173
3632	{	4174	{
		4175	# configure BDB
		4176
3633	BDB::min_parallel 8;	4177	BDB::min_parallel 16;
3634	BDB::max_poll_time $TICK * 0.1;	4178	BDB::max_poll_reqs $TICK * 0.1;
3635	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;	4179	$AnyEvent::BDB::WATCHER->priority (1);
3636
3637	BDB::set_sync_prepare {
3638	my $status;
3639	my $current = $Coro::current;
3640	(
3641	sub {
3642	$status = $!;
3643	$current->ready; undef $current;
3644	},
3645	sub {
3646	Coro::schedule while defined $current;
3647	$! = $status;
3648	},
3649	)
3650	};
3651		4180
3652	unless ($DB_ENV) {	4181	unless ($DB_ENV) {
3653	$DB_ENV = BDB::db_env_create;	4182	$DB_ENV = BDB::db_env_create;
3654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4183	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3655	| BDB::LOG_AUTOREMOVE, 1);	4184	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4185	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3656	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4186	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3657	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4187	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3658		4188
3659	cf::sync_job {	4189	cf::sync_job {
3660	eval {	4190	eval {
…		…
3682	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4212	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3683	};	4213	};
3684	}	4214	}
3685		4215
3686	{	4216	{
		4217	# configure IO::AIO
		4218
3687	IO::AIO::min_parallel 8;	4219	IO::AIO::min_parallel 8;
3688
3689	undef $Coro::AIO::WATCHER;
3690	IO::AIO::max_poll_time $TICK * 0.1;	4220	IO::AIO::max_poll_time $TICK * 0.1;
3691	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;	4221	undef $AnyEvent::AIO::WATCHER;
3692	}	4222	}
3693		4223
3694	my $_log_backtrace;	4224	our $_log_backtrace;
		4225	our $_log_backtrace_last;
3695		4226
3696	sub _log_backtrace {	4227	sub _log_backtrace {
3697	my ($msg, @addr) = @_;	4228	my ($msg, @addr) = @_;
3698		4229
3699	$msg =~ s/\n//;	4230	$msg =~ s/\n$//;
3700		4231
		4232	if ($_log_backtrace_last eq $msg) {
		4233	LOG llevInfo, "[ABT] $msg\n";
		4234	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3701	# limit the # of concurrent backtraces	4235	# limit the # of concurrent backtraces
3702	if ($_log_backtrace < 2) {	4236	} elsif ($_log_backtrace < 2) {
		4237	$_log_backtrace_last = $msg;
3703	++$_log_backtrace;	4238	++$_log_backtrace;
		4239	my $perl_bt = Carp::longmess $msg;
3704	async {	4240	async {
3705	$Coro::current->{desc} = "abt $msg";	4241	$Coro::current->{desc} = "abt $msg";
3706		4242
3707	my @bt = fork_call {	4243	my @bt = fork_call {
3708	@addr = map { sprintf "%x", $_ } @addr;	4244	@addr = map { sprintf "%x", $_ } @addr;
…		…
3719	}	4255	}
3720		4256
3721	@funcs	4257	@funcs
3722	};	4258	};
3723		4259
3724	LOG llevInfo, "[ABT] $msg\n";	4260	LOG llevInfo, "[ABT] $perl_bt\n";
		4261	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3725	LOG llevInfo, "[ABT] $_\n" for @bt;	4262	LOG llevInfo, "[ABT] $_\n" for @bt;
3726	--$_log_backtrace;	4263	--$_log_backtrace;
3727	};	4264	};
3728	} else {	4265	} else {
3729	LOG llevInfo, "[ABT] $msg\n";	4266	LOG llevInfo, "[ABT] $msg\n";
3730	LOG llevInfo, "[ABT] [suppressed]\n";	4267	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3731	}	4268	}
3732	}	4269	}
3733		4270
3734	# load additional modules	4271	# load additional modules
3735	use cf::pod;	4272	require "cf/$_.pm" for @EXTRA_MODULES;
		4273	cf::_connect_to_perl_2;
3736		4274
3737	END { cf::emergency_save }	4275	END { cf::emergency_save }
3738		4276
3739	1	4277	1
3740		4278

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