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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.395 by root, Sat Nov 10 22:41:59 2007 UTC vs.
Revision 1.574 by root, Sun May 8 21:51:27 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 Event;	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;
		41	use Coro::EV;
18	use Coro::Event;	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	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	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;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	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;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	129	our $DB_ENV;
89		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
90	our %CFG;	133	our %CFG;
91		134
92	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
		138	our $NOW;
94		139
95	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
98		143
99	# 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 ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		146
102	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)
103	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
104	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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
105		159
106	binmode STDOUT;	160	binmode STDOUT;
107	binmode STDERR;	161	binmode STDERR;
108		162
109	# read virtual server time, if available	163	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
114	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
115		171
116	mkdir $_	172	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		174
119	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
120		176
121	sub cf::map::normalise;	177	sub cf::map::normalise;
122		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
123	#############################################################################	183	#############################################################################
124		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
125	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
126		197
127	=over 4	198	=over 4
128		199
129	=item $cf::UPTIME	200	=item $cf::UPTIME
130		201
131	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.
132		218
133	=item $cf::RUNTIME	219	=item $cf::RUNTIME
134		220
135	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
136	every server tick.	222	every server tick.
…		…
142	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
145	database environment.	231	database environment.
146		232
147	=item $cf::NOW
148
149	The time of the last (current) server tick.
150
151	=item $cf::TICK
152
153	The interval between server ticks, in seconds.
154
155	=item $cf::LOADAVG	233	=item $cf::LOADAVG
156		234
157	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
168	from wherever your confdir points to.	246	from wherever your confdir points to.
169		247
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		249
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
176	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
177		272
178	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
179	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
180	that call.	275	that call.
181		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
182	=back	283	=back
183		284
184	=cut	285	=cut
185		286
186	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
187	*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 {
188	my $msg = join "", @_;	294	my $msg = join "", @_;
189		295
190	$msg .= "\n"	296	$msg .= "\n"
191	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
192		298
193	$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;
194		300
195	LOG llevError, $msg;	301	LOG llevWarn, $msg;
196	};	302	};
197	}	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	};
198		317
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	328	for my $pkg (qw(
210	cf::global cf::attachable	329	cf::global cf::attachable
211	cf::object cf::object::player	330	cf::object cf::object::player
212	cf::client cf::player	331	cf::client cf::player
213	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
214	cf::map cf::party cf::region	334	cf::party cf::region
215	)) {	335	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	337	}
219		338
220	$Event::DIED = sub {	339	$EV::DIED = sub {
221	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
222	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
223		347
224	#############################################################################	348	#############################################################################
225		349
226	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
227		351
…		…
248	$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;
249	$d	373	$d
250	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
251	}	375	}
252		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
253	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
254		392
255	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
256		394
257	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
258		396
259	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
260		398
261	=cut	399	=cut
262		400
263	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
264		402
265	sub to_json ($) { $json_coder->encode ($_[0]) }	403	sub encode_json($) { $json_coder->encode ($_[0]) }
266	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	}
267		467
268	=item cf::lock_wait $string	468	=item cf::lock_wait $string
269		469
270	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
271		471
272	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
273		473
274	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
275	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,
276	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
277	returned.	477	returned.
278		478
279	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
280	deadlocked coro.	480	deadlocked coro.
…		…
286		486
287	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.
288		488
289	=cut	489	=cut
290		490
291	our %LOCK;	491	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		492
294	sub lock_wait($) {	493	sub lock_wait($) {
295	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	495	}
308		496
309	sub lock_acquire($) {	497	sub lock_acquire($) {
310	my ($key) = @_;	498	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	499	}
324		500
325	sub lock_active($) {	501	sub lock_active($) {
326	my ($key) = @_;	502	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	503	}
330		504
331	sub freeze_mainloop {	505	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
333		507
334	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	509	}
336	};	510
337	$TICK_WATCHER->stop;	511	=item cf::periodic $interval, $cb
338	$guard	512
		513	Like EV::periodic, but randomly selects a starting point so that the actions
		514	get spread over time.
		515
		516	=cut
		517
		518	sub periodic($$) {
		519	my ($interval, $cb) = @_;
		520
		521	my $start = rand List::Util::min 180, $interval;
		522
		523	EV::periodic $start, $interval, 0, $cb
339	}	524	}
340		525
341	=item cf::get_slot $time[, $priority[, $name]]	526	=item cf::get_slot $time[, $priority[, $name]]
342		527
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	528	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	529	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	530	C<$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.
346		535
347	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
348	used for statistical purposes and should identify the same time-class.	537	used for statistical purposes and should identify the same time-class.
349		538
350	Useful for short background jobs.	539	Useful for short background jobs.
351		540
352	=cut	541	=cut
353		542
354	our @SLOT_QUEUE;	543	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
356		546
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	548	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	549	$Coro::current->desc ("timeslot manager");
360		550
361	my $signal = new Coro::Signal;	551	my $signal = new Coro::Signal;
		552	my $busy;
362		553
363	while () {	554	while () {
364	next_job:	555	next_job:
		556
365	my $avail = cf::till_tick;	557	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	558
367	for (0 .. $#SLOT_QUEUE) {	559	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	562	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	563	$job->[2]->send;
371	Coro::cede;	564	Coro::cede;
372	goto next_job;	565	goto next_job;
373	}	566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	568	}
375	}	569	}
376		570
377	if (@SLOT_QUEUE) {	571	if (@SLOT_QUEUE) {
378	# 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
379	push @cf::WAIT_FOR_TICK, $signal;	573	$WAIT_FOR_TICK->wait;
380	$signal->wait;
381	} else {	574	} else {
		575	$busy = 0;
382	Coro::schedule;	576	Coro::schedule;
383	}	577	}
384	}	578	}
385	};	579	};
386		580
387	sub get_slot($;$$) {	581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
388	my ($time, $pri, $name) = @_;	584	my ($time, $pri, $name) = @_;
389		585
390	$time = $TICK * .6 if $time > $TICK * .6;	586	$time = clamp $time, 0.01, $TICK * .6;
		587
391	my $sig = new Coro::Signal;	588	my $sig = new Coro::Signal;
392		589
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	592	$SLOT_QUEUE->ready;
…		…
421	=cut	618	=cut
422		619
423	sub sync_job(&) {	620	sub sync_job(&) {
424	my ($job) = @_;	621	my ($job) = @_;
425		622
426	if ($Coro::current == $Coro::main) {	623	if (in_main) {
427	my $time = Event::time;	624	my $time = AE::time;
428		625
429	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
431		628
432	LOG llevError, Carp::longmess "sync job";#d#	629	#LOG llevError, Carp::longmess "sync job";#d#
433		630
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
437		632
438	my $busy = 1;	633	my $busy = 1;
439	my @res;	634	my @res;
440		635
441	(async {	636	(async {
442	$Coro::current->desc ("sync job coro");	637	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	638	@res = eval { $job->() };
444	warn $@ if $@;	639	error $@ if $@;
445	undef $busy;	640	undef $busy;
446	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
447		642
448	while ($busy) {	643	while ($busy) {
449	if (Coro::nready) {	644	if (Coro::nready) {
450	Coro::cede_notself;	645	Coro::cede_notself;
451	} else {	646	} else {
452	Event::one_event;	647	EV::loop EV::LOOP_ONESHOT;
453	}	648	}
454	}	649	}
455		650
456	$time = Event::time - $time;	651	my $time = AE::time - $time;
457		652
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	653	$TICK_START += $time; # do not account sync jobs to server load
462		654
463	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
464	} else {	656	} else {
465	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
466		658
…		…
486	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
487		679
488	$coro	680	$coro
489	}	681	}
490		682
491	=item fork_call { }, $args	683	=item fork_call { }, @args
492		684
493	Executes the given code block with the given arguments in a seperate	685	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	686	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	687	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	688	never block itself or use any form of event handling.
497		689
498	=cut	690	=cut
		691
		692	sub post_fork {
		693	reset_signals;
		694	}
499		695
500	sub fork_call(&@) {	696	sub fork_call(&@) {
501	my ($cb, @args) = @_;	697	my ($cb, @args) = @_;
502		698
503	# we seemingly have to make a local copy of the whole thing,	699	# we seemingly have to make a local copy of the whole thing,
504	# otherwise perl prematurely frees the stuff :/	700	# otherwise perl prematurely frees the stuff :/
505	# TODO: investigate and fix (likely this will be rather laborious)	701	# TODO: investigate and fix (likely this will be rather laborious)
506		702
507	my @res = Coro::Util::fork_eval {	703	my @res = Coro::Util::fork_eval {
508	reset_signals;	704	cf::post_fork;
509	&$cb	705	&$cb
510	}, @args;	706	} @args;
511		707
512	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
513	}	747	}
514		748
515	=item $value = cf::db_get $family => $key	749	=item $value = cf::db_get $family => $key
516		750
517	Returns a single value from the environment database.	751	Returns a single value from the environment database.
…		…
527	within each server.	761	within each server.
528		762
529	=cut	763	=cut
530		764
531	sub db_table($) {	765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
532	my ($name) = @_;	769	my ($name) = @_;
533	my $db = BDB::db_create $DB_ENV;	770	my $db = BDB::db_create $DB_ENV;
534		771
535	eval {	772	eval {
536	$db->set_flags (BDB::CHKSUM);	773	$db->set_flags (BDB::CHKSUM);
…		…
546	}	783	}
547		784
548	our $DB;	785	our $DB;
549		786
550	sub db_init {	787	sub db_init {
551	cf::sync_job {
552	$DB ||= db_table "db";	788	$DB ||= db_table "db";
553	};
554	}	789	}
555		790
556	sub db_get($$) {	791	sub db_get($$) {
557	my $key = "$_[0]/$_[1]";	792	my $key = "$_[0]/$_[1]";
558		793
559	cf::sync_job {	794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
560	BDB::db_get $DB, undef, $key, my $data;	797	BDB::db_get $DB, undef, $key, my $data;
561		798
562	$! ? ()	799	$! ? ()
563	: $data	800	: $data
564	}
565	}	801	}
566		802
567	sub db_put($$$) {	803	sub db_put($$$) {
568	BDB::dbreq_pri 4;	804	BDB::dbreq_pri 4;
569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
597		833
598	my @data;	834	my @data;
599	my $md5;	835	my $md5;
600		836
601	for (0 .. $#$src) {	837	for (0 .. $#$src) {
602	0 <= aio_load $src->[$_], $data[$_]	838	$data[$_] = load_file $src->[$_];
603	or Carp::croak "$src->[$_]: $!";
604	}	839	}
605		840
606	# if processing is expensive, check	841	# if processing is expensive, check
607	# checksum first	842	# checksum first
608	if (1) {	843	if (1) {
…		…
625		860
626	my $t1 = Time::HiRes::time;	861	my $t1 = Time::HiRes::time;
627	my $data = $process->(\@data);	862	my $data = $process->(\@data);
628	my $t2 = Time::HiRes::time;	863	my $t2 = Time::HiRes::time;
629		864
630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
631		866
632	db_put cache => "$id/data", $data;	867	db_put cache => "$id/data", $data;
633	db_put cache => "$id/md5" , $md5;	868	db_put cache => "$id/md5" , $md5;
634	db_put cache => "$id/meta", $meta;	869	db_put cache => "$id/meta", $meta;
635		870
…		…
645		880
646	=cut	881	=cut
647		882
648	sub datalog($@) {	883	sub datalog($@) {
649	my ($type, %kv) = @_;	884	my ($type, %kv) = @_;
650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
651	}	886	}
652		887
653	=back	888	=back
654		889
655	=cut	890	=cut
656		891
657	#############################################################################	892	#############################################################################
658		893
659	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
660		895
661	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
662	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")
663	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
664		899
665	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>
666	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
…		…
716	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
717		952
718	Register an attachment by C<$name> through which attachable objects of the	953	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
720		955
721	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
722	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.
723		958
724	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
725		960
726	=over 4	961	=over 4
…		…
850		1085
851	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
852	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
853		1088
854	} elsif (ref $type) {	1089	} elsif (ref $type) {
855	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
856		1091
857	} else {	1092	} else {
858	shift @arg;	1093	shift @arg;
859	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
860	}	1095	}
861	}	1096	}
862	}	1097	}
863		1098
864	sub _object_attach {	1099	sub _object_attach {
…		…
874	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
875	}	1110	}
876		1111
877	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
878	} else {	1113	} else {
879	warn "object uses attachment '$name' which is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
880	}	1115	}
881		1116
882	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
883	}	1118	}
884		1119
…		…
943		1178
944	for (@$callbacks) {	1179	for (@$callbacks) {
945	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
946		1181
947	if ($@) {	1182	if ($@) {
948	warn "$@";
949	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
950	override;	1184	override;
951	}	1185	}
952		1186
953	return 1 if $override;	1187	return 1 if $override;
954	}	1188	}
955		1189
956	0	1190	0
957	}	1191	}
958		1192
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1194
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1196
963	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
964		1198
…		…
1017		1251
1018	sub reattach {	1252	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1254	my ($obj) = @_;
1021		1255
		1256	# no longer needed after getting rid of delete_package?
1022	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
1023		1258
1024	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
1025		1260
1026	@$registry = ();	1261	@$registry = ();
1027		1262
…		…
1032	for (@$attach) {	1267	for (@$attach) {
1033	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
1034	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
1035	}	1270	}
1036	} else {	1271	} else {
1037	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
1038	}	1273	}
1039	}	1274	}
1040	}	1275	}
1041		1276
1042	cf::attachable->attach (	1277	cf::attachable->attach (
1043	prio => -1000000,	1278	prio => -1000000,
1044	on_instantiate => sub {	1279	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
1046		1281
1047	$data = from_json $data;	1282	$data = decode_json $data;
1048		1283
1049	for (@$data) {	1284	for (@$data) {
1050	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
1051		1286
1052	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
1069	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
1070		1305
1071	sync_job {	1306	sync_job {
1072	if (length $$rdata) {	1307	if (length $$rdata) {
1073	utf8::decode (my $decname = $filename);	1308	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
1076		1312
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	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	}
1081	close $fh;	1320	aio_close $fh;
1082		1321
1083	if (@$objs) {	1322	if (@$objs) {
1084	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) {
1085	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
1088	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	}
1089	close $fh;	1331	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1333	}
1092	} else {	1334	} else {
1093	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
1094	}	1336	}
1095		1337
1096	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1342	} else {
1098	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
1099	}	1344	}
1100	} else {	1345	} else {
1101	aio_unlink $filename;	1346	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
1103	}	1348	}
…		…
1127	my $st = eval { Coro::Storable::thaw $av };	1372	my $st = eval { Coro::Storable::thaw $av };
1128	$av = $st->{objs};	1373	$av = $st->{objs};
1129	}	1374	}
1130		1375
1131	utf8::decode (my $decname = $filename);	1376	utf8::decode (my $decname = $filename);
1132	warn sprintf "loading %s (%d,%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
1133	$decname, length $data, scalar @{$av || []};	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
1134		1380
1135	($data, $av)	1381	($data, $av)
1136	}	1382	}
1137		1383
1138	=head2 COMMAND CALLBACKS	1384	=head2 COMMAND CALLBACKS
…		…
1194	my ($name, $cb) = @_;	1440	my ($name, $cb) = @_;
1195		1441
1196	$EXTICMD{$name} = $cb;	1442	$EXTICMD{$name} = $cb;
1197	}	1443	}
1198		1444
		1445	use File::Glob ();
		1446
1199	cf::player->attach (	1447	cf::player->attach (
1200	on_command => sub {	1448	on_unknown_command => sub {
1201	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
1202		1450
1203	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
1204	or return;	1452	or return;
1205		1453
…		…
1228		1476
1229	$pl->ext_reply ($reply, @reply)	1477	$pl->ext_reply ($reply, @reply)
1230	if $reply;	1478	if $reply;
1231		1479
1232	} else {	1480	} else {
1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1481	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1234	}	1482	}
1235		1483
1236	cf::override;	1484	cf::override;
1237	},	1485	},
1238	);	1486	);
1239		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
1240	sub load_extensions {	1501	sub load_extensions {
		1502	info "loading extensions...";
		1503
1241	cf::sync_job {	1504	cf::sync_job {
1242	my %todo;	1505	my %todo;
1243		1506
1244	for my $path (<$LIBDIR/*.ext>) {	1507	for my $path (<$LIBDIR/*.ext>) {
1245	next unless -r $path;	1508	next unless -r $path;
…		…
1263		1526
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1527	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1528	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1529
1267	$ext{source} =	1530	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1531	"package $pkg; use common::sense;\n"
1269	. "#line 1 \"$path\"\n{\n"	1532	. "#line 1 \"$path\"\n{\n"
1270	. $source	1533	. $source
1271	. "\n};\n1";	1534	. "\n};\n1";
1272		1535
1273	$todo{$base} = \%ext;	1536	$todo{$base} = \%ext;
1274	}	1537	}
1275		1538
		1539	my $pass = 0;
1276	my %done;	1540	my %done;
1277	while (%todo) {	1541	while (%todo) {
1278	my $progress;	1542	my $progress;
1279		1543
		1544	++$pass;
		1545
		1546	ext:
1280	while (my ($k, $v) = each %todo) {	1547	while (my ($k, $v) = each %todo) {
1281	for (split /,\s*/, $v->{meta}{depends}) {	1548	for (split /,\s*/, $v->{meta}{depends}) {
1282	goto skip	1549	next ext
1283	unless exists $done{$_};	1550	unless exists $done{$_};
1284	}	1551	}
1285		1552
1286	warn "... loading '$k' into '$v->{pkg}'\n";	1553	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1287		1554
1288	unless (eval $v->{source}) {	1555	my $active = eval $v->{source};
		1556
		1557	if (length $@) {
1289	my $msg = $@ ? "$v->{path}: $@\n"	1558	error "$v->{path}: $@\n";
1290	: "$v->{base}: extension inactive.\n";
1291		1559
		1560	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1292	if (exists $v->{meta}{mandatory}) {	1561	if exists $v->{meta}{mandatory};
1293	warn $msg;	1562
1294	warn "mandatory extension failed to load, exiting.\n";	1563	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1295	exit 1;	1564	delete $todo{$k};
1296	}	1565	} else {
1297		1566	$done{$k} = delete $todo{$k};
1298	warn $msg;	1567	push @EXTS, $v->{pkg};
		1568	$progress = 1;
		1569
		1570	info "$v->{base}: extension inactive.\n"
		1571	unless $active;
1299	}	1572	}
1300
1301	$done{$k} = delete $todo{$k};
1302	push @EXTS, $v->{pkg};
1303	$progress = 1;
1304	}	1573	}
1305		1574
1306	skip:	1575	unless ($progress) {
1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1576	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1308	unless $progress;	1577
		1578	while (my ($k, $v) = each %todo) {
		1579	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1580	if exists $v->{meta}{mandatory};
		1581	}
		1582
		1583	last;
		1584	}
1309	}	1585	}
1310	};	1586	};
1311	}	1587	}
1312		1588
1313	#############################################################################	1589	#############################################################################
1314		1590
1315	=back	1591	=back
1316		1592
1317	=head2 CORE EXTENSIONS	1593	=head2 CORE EXTENSIONS
1318		1594
1319	Functions and methods that extend core crossfire objects.	1595	Functions and methods that extend core deliantra objects.
1320		1596
1321	=cut	1597	=cut
1322		1598
1323	package cf::player;	1599	package cf::player;
1324		1600
…		…
1367		1643
1368	sub exists($) {	1644	sub exists($) {
1369	my ($login) = @_;	1645	my ($login) = @_;
1370		1646
1371	$cf::PLAYER{$login}	1647	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1648	or !aio_stat path $login
1373	}	1649	}
1374		1650
1375	sub find($) {	1651	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1652	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1653	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1665	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1666	or return;
1391		1667
1392	my $pl = cf::player::load_pl $f	1668	my $pl = cf::player::load_pl $f
1393	or return;	1669	or return;
		1670
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1671	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1672	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1673	$cf::PLAYER{$login} = $pl
1397	}	1674	}
1398	}	1675	}
1399	}	1676	}
1400		1677
		1678	cf::player->attach (
		1679	on_load => sub {
		1680	my ($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
1401	sub save($) {	1691	sub save($) {
1402	my ($pl) = @_;	1692	my ($pl) = @_;
1403		1693
1404	return if $pl->{deny_save};	1694	return if $pl->{deny_save};
1405		1695
…		…
1408		1698
1409	return if $pl->{deny_save};	1699	return if $pl->{deny_save};
1410		1700
1411	aio_mkdir playerdir $pl, 0770;	1701	aio_mkdir playerdir $pl, 0770;
1412	$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];
1413		1708
1414	$pl->save_pl ($path);	1709	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1710	cf::cede_to_tick;
1416	}	1711	}
1417		1712
…		…
1449	my ($pl) = @_;	1744	my ($pl) = @_;
1450		1745
1451	my $name = $pl->ob->name;	1746	my $name = $pl->ob->name;
1452		1747
1453	$pl->{deny_save} = 1;	1748	$pl->{deny_save} = 1;
1454	$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
1455		1750
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1751	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1457	$pl->deactivate;	1752	$pl->deactivate;
		1753
		1754	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1755	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1756	ext::highscore::check ($pl->ob);
		1757
1459	$pl->ns->destroy if $pl->ns;	1758	$pl->ns->destroy if $pl->ns;
1460		1759
1461	my $path = playerdir $pl;	1760	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1761	my $temp = "$path~$cf::RUNTIME~deleting~";
1463	aio_rename $path, $temp;	1762	aio_rename $path, $temp;
…		…
1501		1800
1502	for my $login (@$dirs) {	1801	for my $login (@$dirs) {
1503	my $path = path $login;	1802	my $path = path $login;
1504		1803
1505	# a .pst is a dead give-away for a valid player	1804	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1805	# if no pst file found, open and chekc for blocked users
		1806	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1807	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1808	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1809	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1810	}
1511		1811
…		…
1515		1815
1516	\@logins	1816	\@logins
1517	}	1817	}
1518		1818
1519	=item $player->maps	1819	=item $player->maps
		1820
		1821	=item cf::player::maps $login
1520		1822
1521	Returns an arrayref of map paths that are private for this	1823	Returns an arrayref of map paths that are private for this
1522	player. May block.	1824	player. May block.
1523		1825
1524	=cut	1826	=cut
…		…
1542	}	1844	}
1543		1845
1544	\@paths	1846	\@paths
1545	}	1847	}
1546		1848
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1849	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1850
1549	Expand crossfire pod fragments into protocol xml.	1851	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	use re 'eval';
1554
1555	my $group;
1556	my $interior; $interior = qr{
1557	# match a pod interior sequence sans C<< >>
1558	(?:
1559	\ (.*?)\ (?{ $group = $^N })
1560	| < (??{$interior}) >
1561	)
1562	}x;
1563
1564	sub expand_cfpod {
1565	my ($self, $pod) = @_;
1566
1567	my $xml;
1568
1569	while () {
1570	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1571	$group = $1;
1572
1573	$group =~ s/&/&amp;/g;
1574	$group =~ s/</&lt;/g;
1575
1576	$xml .= $group;
1577	} elsif ($pod =~ m%\G
1578	([BCGHITU])
1579	<
1580	(?:
1581	([^<>]*) (?{ $group = $^N })
1582	| < $interior >
1583	)
1584	>
1585	%gcsx
1586	) {
1587	my ($code, $data) = ($1, $group);
1588
1589	if ($code eq "B") {
1590	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1591	} elsif ($code eq "I") {
1592	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1593	} elsif ($code eq "U") {
1594	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1595	} elsif ($code eq "C") {
1596	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1597	} elsif ($code eq "T") {
1598	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1599	} elsif ($code eq "G") {
1600	my ($male, $female) = split /\|/, $data;
1601	$data = $self->gender ? $female : $male;
1602	$xml .= expand_cfpod ($self, $data);
1603	} elsif ($code eq "H") {
1604	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1605	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1606	"")
1607	[$self->{hintmode}];
1608	} else {
1609	$xml .= "error processing '$code($data)' directive";
1610	}
1611	} else {
1612	if ($pod =~ /\G(.+)/) {
1613	warn "parse error while expanding $pod (at $1)";
1614	}
1615	last;
1616	}
1617	}
1618
1619	for ($xml) {
1620	# create single paragraphs (very hackish)
1621	s/(?<=\S)\n(?=\w)/ /g;
1622
1623	# compress some whitespace
1624	s/\s+\n/\n/g; # ws line-ends
1625	s/\n\n+/\n/g; # double lines
1626	s/^\n+//; # beginning lines
1627	s/\n+$//; # ending lines
1628	}
1629
1630	$xml
1631	}
1632
1633	no re 'eval';
1634
1635	sub hintmode {
1636	$_[0]{hintmode} = $_[1] if @_ > 1;
1637	$_[0]{hintmode}
1638	}
1639		1852
1640	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1641		1854
1642	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1643		1856
…		…
1675		1888
1676	=cut	1889	=cut
1677		1890
1678	sub find_by_path($) {	1891	sub find_by_path($) {
1679	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1680		1895
1681	my ($match, $specificity);	1896	my ($match, $specificity);
1682		1897
1683	for my $region (list) {	1898	for my $region (list) {
1684	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1710	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1711	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1712		1927
1713	sub generate_random_map {	1928	sub generate_random_map {
1714	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1715	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1716	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1717	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1718	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1719	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1720	$rmp->{exit_on_final_map},
1721	$rmp->{xsize}, $rmp->{ysize},
1722	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1723	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1724	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1725	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1726	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1727	(cf::region::find $rmp->{region}), $rmp->{custom}
1728	)
1729	}	1934	}
1730		1935
1731	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1732		1937
1733	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
…		…
1738		1943
1739	sub register {	1944	sub register {
1740	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1741	my $pkg = caller;	1946	my $pkg = caller;
1742		1947
1743	no strict;
1744	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1745		1949
1746	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1747	}	1951	}
1748		1952
1749	# also paths starting with '/'	1953	# also paths starting with '/'
1750	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1751		1955
1752	sub thawer_merge {	1956	sub thawer_merge {
1753	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1754		1958
1755	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1760	}	1964	}
1761		1965
1762	sub normalise {	1966	sub normalise {
1763	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1764		1968
1765	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1766		1970
1767	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1768		1972
1769	# map plan:	1973	# map plan:
1770	#	1974	#
…		…
1785	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1786	$path = "$base/$path";	1990	$path = "$base/$path";
1787	}	1991	}
1788		1992
1789	for ($path) {	1993	for ($path) {
1790	redo if s{//}{/};
1791	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1792	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1793	}	1996	}
1794		1997
1795	$path	1998	$path
…		…
1809	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1810	return $self;	2013	return $self;
1811	}	2014	}
1812	}	2015	}
1813		2016
1814	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1815	()	2018	()
1816	}	2019	}
1817		2020
		2021	# may re-bless or do other evil things
1818	sub init {	2022	sub init {
1819	my ($self) = @_;	2023	my ($self) = @_;
1820		2024
1821	$self	2025	$self
1822	}	2026	}
…		…
1841		2045
1842	# the temporary/swap location	2046	# the temporary/swap location
1843	sub save_path {	2047	sub save_path {
1844	my ($self) = @_;	2048	my ($self) = @_;
1845		2049
1846	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1847	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1848	}	2052	}
1849		2053
1850	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1851	sub uniq_path {	2055	sub uniq_path {
1852	my ($self) = @_;	2056	my ($self) = @_;
1853		2057
1854	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1855	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1856	}
1857
1858	# and all this just because we cannot iterate over
1859	# all maps in C++...
1860	sub change_all_map_light {
1861	my ($change) = @_;
1862
1863	$_->change_map_light ($change)
1864	for grep $_->outdoor, values %cf::MAP;
1865	}	2060	}
1866		2061
1867	sub decay_objects {	2062	sub decay_objects {
1868	my ($self) = @_;	2063	my ($self) = @_;
1869		2064
…		…
1896	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1897		2092
1898	1	2093	1
1899	}	2094	}
1900		2095
		2096	# used to laod the header of an original map
1901	sub load_header_orig {	2097	sub load_header_orig {
1902	my ($self) = @_;	2098	my ($self) = @_;
1903		2099
1904	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1905	}	2101	}
1906		2102
		2103	# used to laod the header of an instantiated map
1907	sub load_header_temp {	2104	sub load_header_temp {
1908	my ($self) = @_;	2105	my ($self) = @_;
1909		2106
1910	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1911	}	2108	}
1912		2109
		2110	# called after loading the header from an instantiated map
1913	sub prepare_temp {	2111	sub prepare_temp {
1914	my ($self) = @_;	2112	my ($self) = @_;
1915		2113
1916	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1917	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1918	# safety	2116	# safety
1919	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1920	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1921	}	2119	}
1922		2120
		2121	# called after loading the header from an original map
1923	sub prepare_orig {	2122	sub prepare_orig {
1924	my ($self) = @_;	2123	my ($self) = @_;
1925		2124
1926	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1927	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1951		2150
1952	sub find;	2151	sub find;
1953	sub find {	2152	sub find {
1954	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1955		2154
		2155	cf::cede_to_tick;
		2156
1956	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1957		2158
1958	cf::lock_wait "map_data:$path";#d#remove	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1959	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1960		2161
1961	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1962	my $guard1 = cf::lock_acquire "map_find:$path";
1963	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1964
1965	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1966	or return;	2164	or return;
1967		2165
1968	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1969		2167
…		…
1971	or return;	2169	or return;
1972		2170
1973	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1974	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1975	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
1976	undef $guard1;	2175	undef $guard1;
1977	undef $guard2;
1978	$map->reset;	2176	$map->reset;
1979	return find $path;	2177	return find $path;
1980	}	2178	}
1981		2179
1982	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1983	}	2181	}
1984	}	2182	}
1985		2183
1986	sub pre_load { }	2184	sub pre_load { }
1987	sub post_load { }	2185	#sub post_load { } # XS
1988		2186
1989	sub load {	2187	sub load {
1990	my ($self) = @_;	2188	my ($self) = @_;
1991		2189
1992	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1995		2193
1996	{	2194	{
1997	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1998		2196
1999	return unless $self->valid;	2197	return unless $self->valid;
2000	return unless $self->in_memory == cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
2001
2002	$self->in_memory (cf::MAP_LOADING);
2003		2199
2004	$self->alloc;	2200	$self->alloc;
2005		2201
2006	$self->pre_load;	2202	$self->pre_load;
2007	cf::cede_to_tick;	2203	cf::cede_to_tick;
2008		2204
		2205	if (exists $self->{load_path}) {
2009	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
2010	$f->skip_block;	2207	$f->skip_block;
2011	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
2012	or return;	2209	or return;
2013		2210
2014	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
2015	if delete $self->{load_original};	2212	if delete $self->{load_original};
2016		2213
2017	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
2018	utf8::encode $uniq;	2215	utf8::encode $uniq;
2019	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
2020	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
2021	$self->clear_unique_items;	2218	$self->clear_unique_items;
2022	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
2023	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
2024	}	2222	}
2025	}	2223	}
2026	}
2027		2224
2028	$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);
2029		2232
2030	cf::cede_to_tick;	2233	cf::cede_to_tick;
2031	# now do the right thing for maps	2234	# now do the right thing for maps
2032	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
2033	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
2037	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
2038	$self->decay_objects;	2241	$self->decay_objects;
2039	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
2040	$self->update_buttons;	2243	$self->update_buttons;
2041	cf::cede_to_tick;	2244	cf::cede_to_tick;
2042	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
2043	cf::cede_to_tick;
2044	$self->activate;
2045	}	2246	}
2046		2247
2047	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
2048	$self->last_access ($cf::RUNTIME);	2249	$self->last_access ($cf::RUNTIME);
2049
2050	$self->in_memory (cf::MAP_IN_MEMORY);
2051	}	2250	}
2052		2251
2053	$self->post_load;	2252	$self->post_load;
2054	}
2055		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
2056	sub customise_for {	2260	sub customise_for {
2057	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
2058		2262
2059	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
2060	if $self->per_player;	2264	if $self->per_player;
…		…
2063	# if $self->per_party;	2267	# if $self->per_party;
2064		2268
2065	$self	2269	$self
2066	}	2270	}
2067		2271
2068	# find and load all maps in the 3x3 area around a map
2069	sub load_neighbours {
2070	my ($map) = @_;
2071
2072	my @neigh; # diagonal neighbours
2073
2074	for (0 .. 3) {
2075	my $neigh = $map->tile_path ($_)
2076	or next;
2077	$neigh = find $neigh, $map
2078	or next;
2079	$neigh->load;
2080
2081	push @neigh,
2082	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2083	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2084	}
2085
2086	for (grep defined $_->[0], @neigh) {
2087	my ($path, $origin) = @$_;
2088	my $neigh = find $path, $origin
2089	or next;
2090	$neigh->load;
2091	}
2092	}
2093
2094	sub find_sync {	2272	sub find_sync {
2095	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
2096		2274
2097	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
2098	}	2280	}
2099		2281
2100	sub do_load_sync {	2282	sub do_load_sync {
2101	my ($map) = @_;	2283	my ($map) = @_;
2102		2284
		2285	# it's a bug to call this from the main context
2103	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2104	if $Coro::current == $Coro::main;	2287	if $Coro::current == $Coro::main;
2105		2288
2106	cf::sync_job { $map->load };	2289	$map->load;
2107	}	2290	}
2108		2291
2109	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
2110	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
2111		2294
2112	sub find_async {	2295	sub find_async {
2113	my ($path, $origin, $load) = @_;	2296	my ($path, $origin, $load) = @_;
2114		2297
2115	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
2116		2299
2117	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
2118	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
2119	}	2302	}
2120		2303
2121	$MAP_PREFETCH{$path} |= $load;	2304	$MAP_PREFETCH{$path} |= $load;
2122		2305
2123	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
…		…
2137	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
2138		2321
2139	()	2322	()
2140	}	2323	}
2141		2324
		2325	# common code, used by both ->save and ->swapout
2142	sub save {	2326	sub _save {
2143	my ($self) = @_;	2327	my ($self) = @_;
2144
2145	my $lock = cf::lock_acquire "map_data:$self->{path}";
2146		2328
2147	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
2148		2330
2149	return unless $self->dirty;	2331	return unless $self->dirty;
2150		2332
…		…
2159		2341
2160	cf::async {	2342	cf::async {
2161	$Coro::current->{desc} = "map player save";	2343	$Coro::current->{desc} = "map player save";
2162	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
2163	};	2345	};
		2346
		2347	cf::get_slot 0.02;
2164		2348
2165	if ($uniq) {	2349	if ($uniq) {
2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2168	} else {	2352	} else {
2169	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2170	}	2354	}
2171	}	2355	}
2172		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
2173	sub swap_out {	2365	sub swap_out {
2174	my ($self) = @_;	2366	my ($self) = @_;
2175		2367
2176	# save first because save cedes
2177	$self->save;
2178
2179	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
2180		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
2181	return if $self->players;	2372	return if $self->players;
2182	return if $self->in_memory != cf::MAP_IN_MEMORY;	2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
		2383	$self->clear;
		2384	}
		2385
		2386	sub reset_at {
		2387	my ($self) = @_;
		2388
		2389	# TODO: safety, remove and allow resettable per-player maps
2183	return if $self->{deny_save};	2390	return 1e99 if $self->{deny_reset};
2184		2391
		2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2394
		2395	$time + $to
		2396	}
		2397
		2398	sub should_reset {
		2399	my ($self) = @_;
		2400
		2401	$self->reset_at <= $cf::RUNTIME
		2402	}
		2403
		2404	sub reset {
		2405	my ($self) = @_;
		2406
		2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2408
		2409	return if $self->players;
		2410
		2411	cf::trace "resetting map ", $self->path, "\n";
		2412
2185	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
		2414
		2415	# need to save uniques path
		2416	unless ($self->{deny_save}) {
		2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2418
		2419	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2420	if $uniq;
		2421	}
		2422
		2423	delete $cf::MAP{$self->path};
2186		2424
2187	$self->deactivate;	2425	$self->deactivate;
2188	$_->clear_links_to ($self) for values %cf::MAP;	2426	$_->clear_links_to ($self) for values %cf::MAP;
2189	$self->clear;	2427	$self->clear;
2190	}
2191
2192	sub reset_at {
2193	my ($self) = @_;
2194
2195	# TODO: safety, remove and allow resettable per-player maps
2196	return 1e99 if $self->{deny_reset};
2197
2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2200
2201	$time + $to
2202	}
2203
2204	sub should_reset {
2205	my ($self) = @_;
2206
2207	$self->reset_at <= $cf::RUNTIME
2208	}
2209
2210	sub reset {
2211	my ($self) = @_;
2212
2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
2214
2215	return if $self->players;
2216
2217	warn "resetting map ", $self->path;
2218
2219	$self->in_memory (cf::MAP_SWAPPED);
2220
2221	# need to save uniques path
2222	unless ($self->{deny_save}) {
2223	my $uniq = $self->uniq_path; utf8::encode $uniq;
2224
2225	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2226	if $uniq;
2227	}
2228
2229	delete $cf::MAP{$self->path};
2230
2231	$self->deactivate;
2232	$_->clear_links_to ($self) for values %cf::MAP;
2233	$self->clear;
2234		2428
2235	$self->unlink_save;	2429	$self->unlink_save;
2236	$self->destroy;	2430	$self->destroy;
2237	}	2431	}
2238		2432
…		…
2246		2440
2247	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
2248		2442
2249	$self->unlink_save;	2443	$self->unlink_save;
2250		2444
2251	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
2252	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
2253	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
2254	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2256		2450
…		…
2305		2499
2306	sub unique_maps() {	2500	sub unique_maps() {
2307	[	2501	[
2308	map {	2502	map {
2309	utf8::decode $_;	2503	utf8::decode $_;
2310	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2311	? normalise $_	2507	: normalise $_
2312	: ()
2313	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2314	]	2509	]
2315	}	2510	}
2316		2511
2317	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
2318		2543
2319	=back	2544	=back
2320		2545
2321	=head3 cf::object	2546	=head3 cf::object
2322		2547
…		…
2326		2551
2327	=over 4	2552	=over 4
2328		2553
2329	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2330		2555
2331	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
2332		2558
2333	=cut	2559	=cut
2334		2560
2335	sub inv_recursive_;	2561	sub inv_recursive_;
2336	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2341	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2342	}	2568	}
2343		2569
2344	=item $ref = $ob->ref	2570	=item $ref = $ob->ref
2345		2571
2346	creates and returns a persistent reference to an objetc that can be stored as a string.	2572	Creates and returns a persistent reference to an object that can be stored as a string.
2347		2573
2348	=item $ob = cf::object::deref ($refstring)	2574	=item $ob = cf::object::deref ($refstring)
2349		2575
2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2351	even if the object actually exists. May block.	2577	even if the object actually exists. May block.
…		…
2383	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
2384	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2385		2611
2386	=cut	2612	=cut
2387		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
		2627
2388	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2389	# with dialog boxes.	2629	# with dialog boxes.
2390	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
2391	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
2392	my ($self, $npc, $msg, $flags) = @_;	2632	my ($self, $npc, $msg, $flags) = @_;
…		…
2403	my $dialog = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2404	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2405		2645
2406	} else {	2646	} else {
2407	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2408	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2409	}	2649	}
2410	}	2650	}
2411	}	2651	}
2412		2652
2413	=item $object->send_msg ($channel, $msg, $color, [extra...])	2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2438		2678
2439	=item $player_object->enter_link	2679	=item $player_object->enter_link
2440		2680
2441	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
2442		2682
2443	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
2444	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
2445		2687
2446	Will never block.	2688	Will never block.
2447		2689
2448	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2449		2691
…		…
2469	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2470	my ($self) = @_;	2712	my ($self) = @_;
2471		2713
2472	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2473		2715
		2716	++$self->{_link_recursion};
		2717
2474	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2475		2719
2476	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2477	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2478		2722
2479	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2480	}	2724	}
2481		2725
2482	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2483	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2484		2728
…		…
2501	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2502	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2503		2747
2504	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2505	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2506	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2507		2751
2508	$map->load;	2752	$map->load;
2509	$map->load_neighbours;
2510		2753
2511	return unless $self->contr->active;	2754	return unless $self->contr->active;
2512	$self->activate_recursive;
2513		2755
2514	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2515	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2516	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2517		2763
		2764	}
		2765
2518	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2519		2767
2520	Moves the player to the given map-path and coordinates by first freezing	2768	Moves the player to the given map-path and coordinates by first freezing
2521	her, loading and preparing them map, calling the provided $check callback	2769	her, loading and preparing them map, calling the provided $check callback
2522	that has to return the map if sucecssful, and then unfreezes the player on	2770	that has to return the map if sucecssful, and then unfreezes the player on
2523	the new (success) or old (failed) map position. In either case, $done will	2771	the new (success) or old (failed) map position. In either case, $done will
2524	be called at the end of this process.	2772	be called at the end of this process.
2525		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
2526	=cut	2777	=cut
2527		2778
2528	our $GOTOGEN;	2779	our $GOTOGEN;
2529		2780
2530	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2531	my ($self, $path, $x, $y, $check, $done) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
2532		2789
2533	# do generation counting so two concurrent goto's will be executed in-order	2790	# do generation counting so two concurrent goto's will be executed in-order
2534	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2535		2792
2536	$self->enter_link;	2793	$self->enter_link;
…		…
2556	($path, $x, $y) = (undef, undef, undef);	2813	($path, $x, $y) = (undef, undef, undef);
2557	}	2814	}
2558	}	2815	}
2559		2816
2560	my $map = eval {	2817	my $map = eval {
2561	my $map = defined $path ? cf::map::find $path : undef;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2562		2819
2563	if ($map) {	2820	if ($map) {
2564	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2565	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2566	} else {	2823	} else {
2567	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2568	}	2825	}
2569		2826
2570	$map	2827	$map
…		…
2578	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2579	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2580	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2581	}	2838	}
2582		2839
2583	$done->() if $done;	2840	$done->($self) if $done;
2584	})->prio (1);	2841	})->prio (1);
2585	}	2842	}
2586		2843
2587	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2588		2845
…		…
2608	}	2865	}
2609		2866
2610	sub prepare_random_map {	2867	sub prepare_random_map {
2611	my ($exit) = @_;	2868	my ($exit) = @_;
2612		2869
2613	my $guard = cf::lock_acquire "exit_prepare:$exit";
2614
2615	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2616	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2617	# that depends on the exit object	2872	# that depends on the exit object
2618		2873
2619	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2621	if ($exit->map) {	2876	if ($exit->map) {
2622	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2623	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2624	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2625	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2626	}	2883	}
2627		2884
2628	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2629		2886
2630	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2631	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2632	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2633		2890
2634	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2635	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2636	undef $fh;	2893	undef $fh;
2637	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2638		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2639	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2640	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2641	}	2902	}
2642	}	2903	}
2643		2904
2644	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2645	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2646		2907
2647	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2648		2909
2649	if ($exit->slaying eq "/!") {
2650	#TODO: this should de-fi-ni-te-ly not be a sync-job
2651	# the problem is that $exit might not survive long enough
2652	# so it needs to be done right now, right here
2653	cf::sync_job { prepare_random_map $exit };
2654	}
2655
2656	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2657	my $hp = $exit->stats->hp;
2658	my $sp = $exit->stats->sp;
2659
2660	$self->enter_link;	2910	$self->enter_link;
2661		2911
2662	# if exit is damned, update players death & WoR home-position
2663	$self->contr->savebed ($slaying, $hp, $sp)
2664	if $exit->flag (FLAG_DAMNED);
2665
2666	(async {	2912	(async {
2667	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2913	$Coro::current->{desc} = "enter_exit";
2668		2914
2669	$self->deactivate_recursive; # just to be sure
2670	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
2671	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2672		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
2673	1;	2951	1
2674	}) {	2952	}) {
2675	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2676	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
2677	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2678	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2679		2957
2680	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2681	$self->leave_link;	2959	$self->leave_link;
2682	}	2960	}
2683	})->prio (1);	2961	})->prio (1);
2684	}	2962	}
2685		2963
…		…
2697	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
2698	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
2699		2977
2700	utf8::encode $text;	2978	utf8::encode $text;
2701	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2980	}
		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
2702	}	3005	}
2703		3006
2704	=item $client->send_msg ($channel, $msg, $color, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2705		3008
2706	Send a drawinfo or msg packet to the client, formatting the msg for the	3009	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2710		3013
2711	=cut	3014	=cut
2712		3015
2713	# non-persistent channels (usually the info channel)	3016	# non-persistent channels (usually the info channel)
2714	our %CHANNEL = (	3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
2715	"c/identify" => {	3024	"c/identify" => {
2716	id => "infobox",	3025	id => "infobox",
2717	title => "Identify",	3026	title => "Identify",
2718	reply => undef,	3027	reply => undef,
2719	tooltip => "Items recently identified",	3028	tooltip => "Items recently identified",
…		…
2721	"c/examine" => {	3030	"c/examine" => {
2722	id => "infobox",	3031	id => "infobox",
2723	title => "Examine",	3032	title => "Examine",
2724	reply => undef,	3033	reply => undef,
2725	tooltip => "Signs and other items you examined",	3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
2726	},	3041	},
2727	"c/book" => {	3042	"c/book" => {
2728	id => "infobox",	3043	id => "infobox",
2729	title => "Book",	3044	title => "Book",
2730	reply => undef,	3045	reply => undef,
…		…
2746	id => "infobox",	3061	id => "infobox",
2747	title => "Body Parts",	3062	title => "Body Parts",
2748	reply => undef,	3063	reply => undef,
2749	tooltip => "Shows which body parts you posess and are available",	3064	tooltip => "Shows which body parts you posess and are available",
2750	},	3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
2751	"c/uptime" => {	3102	"c/uptime" => {
2752	id => "infobox",	3103	id => "infobox",
2753	title => "Uptime",	3104	title => "Uptime",
2754	reply => undef,	3105	reply => undef,
2755	tooltip => "How long the server has been running since last restart",	3106	tooltip => "How long the server has been running since last restart",
…		…
2758	id => "infobox",	3109	id => "infobox",
2759	title => "Map Info",	3110	title => "Map Info",
2760	reply => undef,	3111	reply => undef,
2761	tooltip => "Information related to the maps",	3112	tooltip => "Information related to the maps",
2762	},	3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
2763	);	3128	);
2764		3129
2765	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2766	my ($self, $channel, $msg, $color, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2767		3132
2768	$msg = $self->pl->expand_cfpod ($msg);	3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
2769		3135
2770	$color &= cf::NDI_CLIENT_MASK; # just in case...	3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
2771		3137
2772	# check predefined channels, for the benefit of C	3138	# check predefined channels, for the benefit of C
2773	if ($CHANNEL{$channel}) {	3139	if ($CHANNEL{$channel}) {
2774	$channel = $CHANNEL{$channel};	3140	$channel = $CHANNEL{$channel};
2775		3141
2776	$self->ext_msg (channel_info => $channel)	3142	$self->ext_msg (channel_info => $channel);
2777	if $self->can_msg;
2778
2779	$channel = $channel->{id};	3143	$channel = $channel->{id};
2780		3144
2781	} elsif (ref $channel) {	3145	} elsif (ref $channel) {
2782	# send meta info to client, if not yet sent	3146	# send meta info to client, if not yet sent
2783	unless (exists $self->{channel}{$channel->{id}}) {	3147	unless (exists $self->{channel}{$channel->{id}}) {
2784	$self->{channel}{$channel->{id}} = $channel;	3148	$self->{channel}{$channel->{id}} = $channel;
2785	$self->ext_msg (channel_info => $channel)	3149	$self->ext_msg (channel_info => $channel);
2786	if $self->can_msg;
2787	}	3150	}
2788		3151
2789	$channel = $channel->{id};	3152	$channel = $channel->{id};
2790	}	3153	}
2791		3154
2792	return unless @extra || length $msg;	3155	return unless @extra || length $msg;
2793		3156
2794	if ($self->can_msg) {
2795	# default colour, mask it out	3157	# default colour, mask it out
2796	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2797	if $color & cf::NDI_DEF;	3159	if $color & cf::NDI_DEF;
2798		3160
2799	$self->send_packet ("msg " . $self->{json_coder}->encode (	3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
2800	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2801	} else {	3164	);
2802	if ($color >= 0) {
2803	# replace some tags by gcfclient-compatible ones
2804	for ($msg) {
2805	1 while
2806	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2807	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2808	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2809	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2810	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2811	}
2812		3165
2813	$color &= cf::NDI_COLOR_MASK;	3166	$self->send_big_packet ($pkt);
2814
2815	utf8::encode $msg;
2816
2817	if (0 && $msg =~ /\[/) {
2818	# COMMAND/INFO
2819	$self->send_packet ("drawextinfo $color 10 8 $msg")
2820	} else {
2821	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2822	$self->send_packet ("drawinfo $color $msg")
2823	}
2824	}
2825	}
2826	}	3167	}
2827		3168
2828	=item $client->ext_msg ($type, @msg)	3169	=item $client->ext_msg ($type, @msg)
2829		3170
2830	Sends an ext event to the client.	3171	Sends an ext event to the client.
…		…
2833		3174
2834	sub cf::client::ext_msg($$@) {	3175	sub cf::client::ext_msg($$@) {
2835	my ($self, $type, @msg) = @_;	3176	my ($self, $type, @msg) = @_;
2836		3177
2837	if ($self->extcmd == 2) {	3178	if ($self->extcmd == 2) {
2838	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2839	} elsif ($self->extcmd == 1) { # TODO: remove	3180	} elsif ($self->extcmd == 1) { # TODO: remove
2840	push @msg, msgtype => "event_$type";	3181	push @msg, msgtype => "event_$type";
2841	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2842	}	3183	}
2843	}	3184	}
2844		3185
2845	=item $client->ext_reply ($msgid, @msg)	3186	=item $client->ext_reply ($msgid, @msg)
2846		3187
…		…
2850		3191
2851	sub cf::client::ext_reply($$@) {	3192	sub cf::client::ext_reply($$@) {
2852	my ($self, $id, @msg) = @_;	3193	my ($self, $id, @msg) = @_;
2853		3194
2854	if ($self->extcmd == 2) {	3195	if ($self->extcmd == 2) {
2855	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2856	} elsif ($self->extcmd == 1) {	3197	} elsif ($self->extcmd == 1) {
2857	#TODO: version 1, remove	3198	#TODO: version 1, remove
2858	unshift @msg, msgtype => "reply", msgid => $id;	3199	unshift @msg, msgtype => "reply", msgid => $id;
2859	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2860	}	3201	}
2861	}	3202	}
2862		3203
2863	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2864		3205
…		…
2935		3276
2936	$ns->ext_reply ($reply, @reply)	3277	$ns->ext_reply ($reply, @reply)
2937	if $reply;	3278	if $reply;
2938		3279
2939	} else {	3280	} else {
2940	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2941	}	3282	}
2942		3283
2943	cf::override;	3284	cf::override;
2944	},	3285	},
2945	);	3286	);
…		…
2965		3306
2966	$coro	3307	$coro
2967	}	3308	}
2968		3309
2969	cf::client->attach (	3310	cf::client->attach (
2970	on_destroy => sub {	3311	on_client_destroy => sub {
2971	my ($ns) = @_;	3312	my ($ns) = @_;
2972		3313
2973	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2974	},	3315	},
2975	);	3316	);
…		…
2991	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2992		3333
2993	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2994		3335
2995	$safe->permit_only (Opcode::opset qw(	3336	$safe->permit_only (Opcode::opset qw(
2996	:base_core :base_mem :base_orig :base_math	3337	:base_core :base_mem :base_orig :base_math :base_loop
2997	grepstart grepwhile mapstart mapwhile	3338	grepstart grepwhile mapstart mapwhile
2998	sort time	3339	sort time
2999	));	3340	));
3000		3341
3001	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
…		…
3004		3345
3005	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
3006		3347
3007	cf::object	3348	cf::object
3008	contr pay_amount pay_player map x y force_find force_add destroy	3349	contr pay_amount pay_player map x y force_find force_add destroy
3009	insert remove name archname title slaying race decrease_ob_nr	3350	insert remove name archname title slaying race decrease split
		3351	value
3010		3352
3011	cf::object::player	3353	cf::object::player
3012	player	3354	player
3013		3355
3014	cf::player	3356	cf::player
…		…
3019		3361
3020	=cut	3362	=cut
3021		3363
3022	for (	3364	for (
3023	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3024	insert remove inv name archname title slaying race	3366	insert remove inv nrof name archname title slaying race
3025	decrease_ob_nr destroy)],	3367	decrease split destroy change_exp value msg lore send_msg)],
3026	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
3027	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
3028	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
3029	) {	3371	) {
3030	no strict 'refs';
3031	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
3032	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3033	for @funs;	3374	for @funs;
3034	}	3375	}
3035		3376
…		…
3050		3391
3051	my $qcode = $code;	3392	my $qcode = $code;
3052	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3053	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
3054		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
3055	local $_;	3399	local $_;
3056	local @safe::cf::_safe_eval_args = values %vars;
3057		3400
3058	my $eval =	3401	my $eval =
3059	"do {\n"	3402	"do {\n"
3060	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3061	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
3062	. $code	3405	. $code
3063	. "\n}"	3406	. "\n}"
3064	;	3407	;
3065		3408
		3409	if ($CFG{safe_eval}) {
3066	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
3067	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3068	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
3069		3418
3070	if ($@) {	3419	if ($@) {
3071	warn "$@";	3420	warn "$@",
3072	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
3073	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
3074	}	3423	}
3075		3424
3076	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
3077	}	3426	}
3078		3427
…		…
3092	=cut	3441	=cut
3093		3442
3094	sub register_script_function {	3443	sub register_script_function {
3095	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
3096		3445
3097	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
3098	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
3099	}	3448	}
3100		3449
3101	=back	3450	=back
3102		3451
3103	=cut	3452	=cut
…		…
3112	# for this (global event?)	3461	# for this (global event?)
3113	%ext::player_env::MUSIC_FACE_CACHE = ();	3462	%ext::player_env::MUSIC_FACE_CACHE = ();
3114		3463
3115	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3116		3465
3117	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
3118		3467
3119	my $facedata;	3468	my $facedata = decode_storable load_file $path;
3120	0 < aio_load $path, $facedata
3121	or die "$path: $!";
3122
3123	$facedata = Coro::Storable::thaw $facedata;
3124		3469
3125	$facedata->{version} == 2	3470	$facedata->{version} == 2
3126	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
3127		3472
3128	# patch in the exptable	3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3129	$facedata->{resource}{"res/exp_table"} = {	3475	$facedata->{resource}{"res/exp_table"} = {
3130	type => FT_RSRC,	3476	type => FT_RSRC,
3131	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
3132	};	3479	};
3133	cf::cede_to_tick;	3480	cf::cede_to_tick;
3134		3481
3135	{	3482	{
3136	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
3137		3484
3138	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
3139	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
3140	cf::face::set_visibility $idx, $info->{visibility};	3488	cf::face::set_visibility $idx, $info->{visibility};
3141	cf::face::set_magicmap $idx, $info->{magicmap};	3489	cf::face::set_magicmap $idx, $info->{magicmap};
3142	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3143	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3144		3493
3145	cf::cede_to_tick;	3494	cf::cede_to_tick;
3146	}	3495	}
3147		3496
3148	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
3149	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
3150	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
3151	or next;	3501	or next;
		3502
3152	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
3153	cf::face::set_smooth $idx, $smooth;	3504	cf::face::set_smooth $idx, $smooth;
3154	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3155	} else {	3506	} else {
3156	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
3157	}	3508	}
3158		3509
3159	cf::cede_to_tick;	3510	cf::cede_to_tick;
3160	}	3511	}
3161	}	3512	}
…		…
3170		3521
3171	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
3172	}	3523	}
3173		3524
3174	{	3525	{
3175	# TODO: for gcfclient pleasure, we should give resources
3176	# that gcfclient doesn't grok a >10000 face index.
3177	my $res = $facedata->{resource};	3526	my $res = $facedata->{resource};
3178		3527
3179	my $soundconf = delete $res->{"res/sound.conf"};
3180
3181	while (my ($name, $info) = each %$res) {	3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
3182	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3183	my $data;
3184		3531
3185	if ($info->{type} & 1) {	3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3186	# prepend meta info	3533	cf::face::set_type $idx, $info->{type};
3187
3188	my $meta = $enc->encode ({
3189	name => $name,
3190	%{ $info->{meta} || {} },
3191	});
3192
3193	$data = pack "(w/a*)*", $meta, $info->{data};
3194	} else {	3534	} else {
3195	$data = $info->{data};	3535	$RESOURCE{$name} = $info; # unused
3196	}	3536	}
3197		3537
3198	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3199	cf::face::set_type $idx, $info->{type};
3200
3201	cf::cede_to_tick;	3538	cf::cede_to_tick;
3202	}	3539	}
3203
3204	if ($soundconf) {
3205	$soundconf = $enc->decode (delete $soundconf->{data});
3206
3207	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3208	my $sound = $soundconf->{compat}[$_]
3209	or next;
3210
3211	my $face = cf::face::find "sound/$sound->[1]";
3212	cf::sound::set $sound->[0] => $face;
3213	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3214	}
3215
3216	while (my ($k, $v) = each %{$soundconf->{event}}) {
3217	my $face = cf::face::find "sound/$v";
3218	cf::sound::set $k => $face;
3219	}
3220	}
3221	}	3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3222		3543
3223	1	3544	1
3224	}	3545	}
3225		3546
3226	register_exticmd fx_want => sub {	3547	register_exticmd fx_want => sub {
…		…
3228		3549
3229	while (my ($k, $v) = each %$want) {	3550	while (my ($k, $v) = each %$want) {
3230	$ns->fx_want ($k, $v);	3551	$ns->fx_want ($k, $v);
3231	}	3552	}
3232	};	3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
3233		3564
3234	sub reload_regions {	3565	sub reload_regions {
3235	# HACK to clear player env face cache, we need some signal framework	3566	# HACK to clear player env face cache, we need some signal framework
3236	# for this (global event?)	3567	# for this (global event?)
3237	%ext::player_env::MUSIC_FACE_CACHE = ();	3568	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3251	}	3582	}
3252		3583
3253	sub reload_archetypes {	3584	sub reload_archetypes {
3254	load_resource_file "$DATADIR/archetypes"	3585	load_resource_file "$DATADIR/archetypes"
3255	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
3256	#d# NEED to laod twice to resolve forward references
3257	# this really needs to be done in an extra post-pass
3258	# (which needs to be synchronous, so solve it differently)
3259	load_resource_file "$DATADIR/archetypes"
3260	or die "unable to load archetypes\n";
3261	}	3587	}
3262		3588
3263	sub reload_treasures {	3589	sub reload_treasures {
3264	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
3265	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
3266	}	3592	}
3267		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
3268	sub reload_resources {	3614	sub reload_resources {
3269	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
3270		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
3271	reload_regions;	3622	reload_regions;
3272	reload_facedata;
3273	#reload_archetypes;#d#
3274	reload_archetypes;
3275	reload_treasures;	3623	reload_treasures;
3276		3624
3277	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
3278	}
3279
3280	sub init {
3281	reload_resources;
3282	}	3626	}
3283		3627
3284	sub reload_config {	3628	sub reload_config {
3285	open my $fh, "<:utf8", "$CONFDIR/config"	3629	trace "reloading config file...\n";
3286	or return;
3287		3630
3288	local $/;	3631	my $config = load_file "$CONFDIR/config";
3289	*CFG = YAML::Syck::Load <$fh>;	3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
3290		3634
3291	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3292		3636
3293	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3294	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3295		3639
3296	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
3300	};	3644	};
3301	warn $@ if $@;	3645	warn $@ if $@;
3302	}	3646	}
3303	}	3647	}
3304		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
3305	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
3306	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
3307	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
3308	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3309	(async {	3690	(async {
3310	$Coro::current->{desc} = "IDLE BUG HANDLER";	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
3311	Event::one_event;	3692	EV::loop EV::LOOP_ONESHOT;
3312	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
3313	};	3694	};
3314		3695
		3696	evthread_start IO::AIO::poll_fileno;
		3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
3315	reload_config;	3708	reload_config;
3316	db_init;	3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
3317	load_extensions;	3719	load_extensions;
3318		3720
3319	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
3320	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	my $free_main; $free_main = EV::idle sub {
		3734	undef $free_main;
		3735	undef &main; # free gobs of memory :)
		3736	};
		3737
		3738	goto &main_loop;
3321	}	3739	}
3322		3740
3323	#############################################################################	3741	#############################################################################
3324	# initialisation and cleanup	3742	# initialisation and cleanup
3325		3743
3326	# install some emergency cleanup handlers	3744	# install some emergency cleanup handlers
3327	BEGIN {	3745	BEGIN {
		3746	our %SIGWATCHER = ();
3328	for my $signal (qw(INT HUP TERM)) {	3747	for my $signal (qw(INT HUP TERM)) {
3329	Event->signal (	3748	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3330	reentrant => 0,
3331	data => WF_AUTOCANCEL,
3332	signal => $signal,
3333	prio => 0,
3334	cb => sub {
3335	cf::cleanup "SIG$signal";	3749	cf::cleanup "SIG$signal";
3336	},
3337	);	3750	};
3338	}	3751	}
3339	}	3752	}
3340		3753
3341	sub write_runtime {	3754	sub write_runtime_sync {
3342	my $runtime = "$LOCALDIR/runtime";	3755	my $t0 = AE::time;
3343		3756
3344	# first touch the runtime file to show we are still running:	3757	# first touch the runtime file to show we are still running:
3345	# the fsync below can take a very very long time.	3758	# the fsync below can take a very very long time.
3346		3759
3347	IO::AIO::aio_utime $runtime, undef, undef;	3760	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3348		3761
3349	my $guard = cf::lock_acquire "write_runtime";	3762	my $guard = cf::lock_acquire "write_runtime";
3350		3763
3351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3764	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3352	or return;	3765	or return;
3353		3766
3354	my $value = $cf::RUNTIME + 90 + 10;	3767	my $value = $cf::RUNTIME + 90 + 10;
3355	# 10 is the runtime save interval, for a monotonic clock	3768	# 10 is the runtime save interval, for a monotonic clock
3356	# 60 allows for the watchdog to kill the server.	3769	# 60 allows for the watchdog to kill the server.
…		…
3366	aio_utime $fh, undef, undef;	3779	aio_utime $fh, undef, undef;
3367		3780
3368	close $fh	3781	close $fh
3369	or return;	3782	or return;
3370		3783
3371	aio_rename "$runtime~", $runtime	3784	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3372	and return;	3785	and return;
3373		3786
3374	warn "runtime file written.\n";	3787	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3375		3788
3376	1	3789	1
		3790	}
		3791
		3792	our $uuid_lock;
		3793	our $uuid_skip;
		3794
		3795	sub write_uuid_sync($) {
		3796	$uuid_skip ||= $_[0];
		3797
		3798	return if $uuid_lock;
		3799	local $uuid_lock = 1;
		3800
		3801	my $uuid = "$LOCALDIR/uuid";
		3802
		3803	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3804	or return;
		3805
		3806	my $value = uuid_seq uuid_cur;
		3807
		3808	unless ($value) {
		3809	info "cowardly refusing to write zero uuid value!\n";
		3810	return;
		3811	}
		3812
		3813	my $value = uuid_str $value + $uuid_skip;
		3814	$uuid_skip = 0;
		3815
		3816	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3817	and return;
		3818
		3819	# always fsync - this file is important
		3820	aio_fsync $fh
		3821	and return;
		3822
		3823	close $fh
		3824	or return;
		3825
		3826	aio_rename "$uuid~", $uuid
		3827	and return;
		3828
		3829	trace "uuid file written ($value).\n";
		3830
		3831	1
		3832
		3833	}
		3834
		3835	sub write_uuid($$) {
		3836	my ($skip, $sync) = @_;
		3837
		3838	$sync ? write_uuid_sync $skip
		3839	: async { write_uuid_sync $skip };
3377	}	3840	}
3378		3841
3379	sub emergency_save() {	3842	sub emergency_save() {
3380	my $freeze_guard = cf::freeze_mainloop;	3843	my $freeze_guard = cf::freeze_mainloop;
3381		3844
3382	warn "enter emergency perl save\n";	3845	info "emergency_perl_save: enter\n";
		3846
		3847	# this is a trade-off: we want to be very quick here, so
		3848	# save all maps without fsync, and later call a global sync
		3849	# (which in turn might be very very slow)
		3850	local $USE_FSYNC = 0;
3383		3851
3384	cf::sync_job {	3852	cf::sync_job {
		3853	cf::write_runtime_sync; # external watchdog should not bark
		3854
3385	# use a peculiar iteration method to avoid tripping on perl	3855	# use a peculiar iteration method to avoid tripping on perl
3386	# refcount bugs in for. also avoids problems with players	3856	# refcount bugs in for. also avoids problems with players
3387	# and maps saved/destroyed asynchronously.	3857	# and maps saved/destroyed asynchronously.
3388	warn "begin emergency player save\n";	3858	info "emergency_perl_save: begin player save\n";
3389	for my $login (keys %cf::PLAYER) {	3859	for my $login (keys %cf::PLAYER) {
3390	my $pl = $cf::PLAYER{$login} or next;	3860	my $pl = $cf::PLAYER{$login} or next;
3391	$pl->valid or next;	3861	$pl->valid or next;
3392	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3862	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3393	$pl->save;	3863	$pl->save;
3394	}	3864	}
3395	warn "end emergency player save\n";	3865	info "emergency_perl_save: end player save\n";
3396		3866
3397	warn "begin emergency map save\n";	3867	cf::write_runtime_sync; # external watchdog should not bark
		3868
		3869	info "emergency_perl_save: begin map save\n";
3398	for my $path (keys %cf::MAP) {	3870	for my $path (keys %cf::MAP) {
3399	my $map = $cf::MAP{$path} or next;	3871	my $map = $cf::MAP{$path} or next;
3400	$map->valid or next;	3872	$map->valid or next;
3401	$map->save;	3873	$map->save;
3402	}	3874	}
3403	warn "end emergency map save\n";	3875	info "emergency_perl_save: end map save\n";
3404		3876
3405	warn "begin emergency database checkpoint\n";	3877	cf::write_runtime_sync; # external watchdog should not bark
		3878
		3879	info "emergency_perl_save: begin database checkpoint\n";
3406	BDB::db_env_txn_checkpoint $DB_ENV;	3880	BDB::db_env_txn_checkpoint $DB_ENV;
3407	warn "end emergency database checkpoint\n";	3881	info "emergency_perl_save: end database checkpoint\n";
		3882
		3883	info "emergency_perl_save: begin write uuid\n";
		3884	write_uuid_sync 1;
		3885	info "emergency_perl_save: end write uuid\n";
		3886
		3887	cf::write_runtime_sync; # external watchdog should not bark
		3888
		3889	trace "emergency_perl_save: syncing database to disk";
		3890	BDB::db_env_txn_checkpoint $DB_ENV;
		3891
		3892	info "emergency_perl_save: starting sync\n";
		3893	IO::AIO::aio_sync sub {
		3894	info "emergency_perl_save: finished sync\n";
		3895	};
		3896
		3897	cf::write_runtime_sync; # external watchdog should not bark
		3898
		3899	trace "emergency_perl_save: flushing outstanding aio requests";
		3900	while (IO::AIO::nreqs || BDB::nreqs) {
		3901	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3902	}
		3903
		3904	cf::write_runtime_sync; # external watchdog should not bark
3408	};	3905	};
3409		3906
3410	warn "leave emergency perl save\n";	3907	info "emergency_perl_save: leave\n";
3411	}	3908	}
3412		3909
3413	sub post_cleanup {	3910	sub post_cleanup {
3414	my ($make_core) = @_;	3911	my ($make_core) = @_;
3415		3912
		3913	IO::AIO::flush;
		3914
3416	warn Carp::longmess "post_cleanup backtrace"	3915	error Carp::longmess "post_cleanup backtrace"
3417	if $make_core;	3916	if $make_core;
		3917
		3918	my $fh = pidfile;
		3919	unlink $PIDFILE if <$fh> == $$;
		3920	}
		3921
		3922	# a safer delete_package, copied from Symbol
		3923	sub clear_package($) {
		3924	my $pkg = shift;
		3925
		3926	# expand to full symbol table name if needed
		3927	unless ($pkg =~ /^main::.*::$/) {
		3928	$pkg = "main$pkg" if $pkg =~ /^::/;
		3929	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3930	$pkg .= '::' unless $pkg =~ /::$/;
		3931	}
		3932
		3933	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3934	my $stem_symtab = *{$stem}{HASH};
		3935
		3936	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3937	or return;
		3938
		3939	# clear all symbols
		3940	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3941	for my $name (keys %$leaf_symtab) {
		3942	_gv_clear *{"$pkg$name"};
		3943	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3944	}
3418	}	3945	}
3419		3946
3420	sub do_reload_perl() {	3947	sub do_reload_perl() {
3421	# can/must only be called in main	3948	# can/must only be called in main
3422	if ($Coro::current != $Coro::main) {	3949	unless (in_main) {
3423	warn "can only reload from main coroutine";	3950	error "can only reload from main coroutine";
3424	return;	3951	return;
3425	}	3952	}
3426		3953
3427	warn "reloading...";	3954	return if $RELOAD++;
3428		3955
3429	warn "entering sync_job";	3956	my $t1 = AE::time;
3430		3957
		3958	while ($RELOAD) {
		3959	cf::get_slot 0.1, -1, "reload_perl";
		3960	info "perl_reload: reloading...";
		3961
		3962	trace "perl_reload: entering sync_job";
		3963
3431	cf::sync_job {	3964	cf::sync_job {
3432	cf::write_runtime; # external watchdog should not bark
3433	cf::emergency_save;	3965	#cf::emergency_save;
3434	cf::write_runtime; # external watchdog should not bark
3435		3966
3436	warn "syncing database to disk";
3437	BDB::db_env_txn_checkpoint $DB_ENV;
3438
3439	# if anything goes wrong in here, we should simply crash as we already saved
3440
3441	warn "cancelling all WF_AUTOCANCEL watchers";
3442	for (Event::all_watchers) {
3443	$_->cancel if $_->data & WF_AUTOCANCEL;
3444	}
3445
3446	warn "flushing outstanding aio requests";
3447	for (;;) {
3448	BDB::flush;
3449	IO::AIO::flush;
3450	Coro::cede_notself;
3451	last unless IO::AIO::nreqs || BDB::nreqs;
3452	warn "iterate...";
3453	}
3454
3455	++$RELOAD;
3456
3457	warn "cancelling all extension coros";	3967	trace "perl_reload: cancelling all extension coros";
3458	$_->cancel for values %EXT_CORO;	3968	$_->cancel for values %EXT_CORO;
3459	%EXT_CORO = ();	3969	%EXT_CORO = ();
3460		3970
3461	warn "removing commands";	3971	trace "perl_reload: removing commands";
3462	%COMMAND = ();	3972	%COMMAND = ();
3463		3973
3464	warn "removing ext/exti commands";	3974	trace "perl_reload: removing ext/exti commands";
3465	%EXTCMD = ();	3975	%EXTCMD = ();
3466	%EXTICMD = ();	3976	%EXTICMD = ();
3467		3977
3468	warn "unloading/nuking all extensions";	3978	trace "perl_reload: unloading/nuking all extensions";
3469	for my $pkg (@EXTS) {	3979	for my $pkg (@EXTS) {
3470	warn "... unloading $pkg";	3980	trace "... unloading $pkg";
3471		3981
3472	if (my $cb = $pkg->can ("unload")) {	3982	if (my $cb = $pkg->can ("unload")) {
3473	eval {	3983	eval {
3474	$cb->($pkg);	3984	$cb->($pkg);
3475	1	3985	1
3476	} or warn "$pkg unloaded, but with errors: $@";	3986	} or error "$pkg unloaded, but with errors: $@";
		3987	}
		3988
		3989	trace "... clearing $pkg";
		3990	clear_package $pkg;
3477	}	3991	}
3478		3992
3479	warn "... nuking $pkg";
3480	Symbol::delete_package $pkg;
3481	}
3482
3483	warn "unloading all perl modules loaded from $LIBDIR";	3993	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3484	while (my ($k, $v) = each %INC) {	3994	while (my ($k, $v) = each %INC) {
3485	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3995	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3486		3996
3487	warn "... unloading $k";	3997	trace "... unloading $k";
3488	delete $INC{$k};	3998	delete $INC{$k};
3489		3999
3490	$k =~ s/\.pm$//;	4000	$k =~ s/\.pm$//;
3491	$k =~ s/\//::/g;	4001	$k =~ s/\//::/g;
3492		4002
3493	if (my $cb = $k->can ("unload_module")) {	4003	if (my $cb = $k->can ("unload_module")) {
3494	$cb->();	4004	$cb->();
		4005	}
		4006
		4007	clear_package $k;
3495	}	4008	}
3496		4009
3497	Symbol::delete_package $k;
3498	}
3499
3500	warn "getting rid of safe::, as good as possible";	4010	trace "perl_reload: getting rid of safe::, as good as possible";
3501	Symbol::delete_package "safe::$_"	4011	clear_package "safe::$_"
3502	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4012	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3503		4013
3504	warn "unloading cf.pm \"a bit\"";	4014	trace "perl_reload: unloading cf.pm \"a bit\"";
3505	delete $INC{"cf.pm"};	4015	delete $INC{"cf.pm"};
3506	delete $INC{"cf/pod.pm"};	4016	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3507		4017
3508	# don't, removes xs symbols, too,	4018	# don't, removes xs symbols, too,
3509	# and global variables created in xs	4019	# and global variables created in xs
3510	#Symbol::delete_package __PACKAGE__;	4020	#clear_package __PACKAGE__;
3511		4021
3512	warn "unload completed, starting to reload now";	4022	info "perl_reload: unload completed, starting to reload now";
3513		4023
3514	warn "reloading cf.pm";	4024	trace "perl_reload: reloading cf.pm";
3515	require cf;	4025	require cf;
3516	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4026	cf::_connect_to_perl_1;
3517		4027
3518	warn "loading config and database again";	4028	trace "perl_reload: loading config and database again";
3519	cf::reload_config;	4029	cf::reload_config;
3520		4030
3521	warn "loading extensions";	4031	trace "perl_reload: loading extensions";
3522	cf::load_extensions;	4032	cf::load_extensions;
3523		4033
		4034	if ($REATTACH_ON_RELOAD) {
3524	warn "reattaching attachments to objects/players";	4035	trace "perl_reload: reattaching attachments to objects/players";
3525	_global_reattach; # objects, sockets	4036	_global_reattach; # objects, sockets
3526	warn "reattaching attachments to maps";	4037	trace "perl_reload: reattaching attachments to maps";
3527	reattach $_ for values %MAP;	4038	reattach $_ for values %MAP;
3528	warn "reattaching attachments to players";	4039	trace "perl_reload: reattaching attachments to players";
3529	reattach $_ for values %PLAYER;	4040	reattach $_ for values %PLAYER;
		4041	}
3530		4042
3531	warn "leaving sync_job";	4043	cf::_post_init 1;
3532		4044
		4045	trace "perl_reload: leaving sync_job";
		4046
3533	1	4047	1
3534	} or do {	4048	} or do {
3535	warn $@;	4049	error $@;
3536	warn "error while reloading, exiting.";	4050	cf::cleanup "perl_reload: error, exiting.";
3537	exit 1;	4051	};
		4052
		4053	--$RELOAD;
3538	};	4054	}
3539		4055
3540	warn "reloaded";	4056	$t1 = AE::time - $t1;
		4057	info "perl_reload: completed in ${t1}s\n";
3541	};	4058	};
3542		4059
3543	our $RELOAD_WATCHER; # used only during reload	4060	our $RELOAD_WATCHER; # used only during reload
3544		4061
3545	sub reload_perl() {	4062	sub reload_perl() {
3546	# doing reload synchronously and two reloads happen back-to-back,	4063	# doing reload synchronously and two reloads happen back-to-back,
3547	# coro crashes during coro_state_free->destroy here.	4064	# coro crashes during coro_state_free->destroy here.
3548		4065
3549	$RELOAD_WATCHER ||= Event->timer (	4066	$RELOAD_WATCHER ||= cf::async {
3550	reentrant => 0,	4067	Coro::AIO::aio_wait cache_extensions;
3551	after => 0,	4068
3552	data => WF_AUTOCANCEL,	4069	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3553	cb => sub {
3554	do_reload_perl;	4070	do_reload_perl;
3555	undef $RELOAD_WATCHER;	4071	undef $RELOAD_WATCHER;
3556	},	4072	};
3557	);	4073	};
3558	}	4074	}
3559		4075
3560	register_command "reload" => sub {	4076	register_command "reload" => sub {
3561	my ($who, $arg) = @_;	4077	my ($who, $arg) = @_;
3562		4078
…		…
3567	reload_perl;	4083	reload_perl;
3568	};	4084	};
3569	}	4085	}
3570	};	4086	};
3571		4087
3572	unshift @INC, $LIBDIR;	4088	#############################################################################
3573		4089
3574	my $bug_warning = 0;	4090	my $bug_warning = 0;
3575		4091
3576	our @WAIT_FOR_TICK;
3577	our @WAIT_FOR_TICK_BEGIN;
3578
3579	sub wait_for_tick {	4092	sub wait_for_tick() {
3580	return unless $TICK_WATCHER->is_active;	4093	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3581	return if $Coro::current == $Coro::main;
3582		4094
3583	my $signal = new Coro::Signal;	4095	$WAIT_FOR_TICK->wait;
3584	push @WAIT_FOR_TICK, $signal;
3585	$signal->wait;
3586	}	4096	}
3587		4097
3588	sub wait_for_tick_begin {	4098	sub wait_for_tick_begin() {
3589	return unless $TICK_WATCHER->is_active;	4099	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3590	return if $Coro::current == $Coro::main;
3591		4100
3592	my $signal = new Coro::Signal;	4101	my $signal = new Coro::Signal;
3593	push @WAIT_FOR_TICK_BEGIN, $signal;	4102	push @WAIT_FOR_TICK_BEGIN, $signal;
3594	$signal->wait;	4103	$signal->wait;
3595	}	4104	}
3596		4105
3597	$TICK_WATCHER = Event->timer (	4106	sub tick {
3598	reentrant => 0,
3599	parked => 1,
3600	prio => 0,
3601	at => $NEXT_TICK || $TICK,
3602	data => WF_AUTOCANCEL,
3603	cb => sub {
3604	if ($Coro::current != $Coro::main) {	4107	if ($Coro::current != $Coro::main) {
3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4108	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606	unless ++$bug_warning > 10;	4109	unless ++$bug_warning > 10;
3607	return;	4110	return;
3608	}	4111	}
3609		4112
3610	$NOW = $tick_start = Event::time;	4113	cf::one_tick; # one server iteration
3611		4114
3612	cf::server_tick; # one server iteration	4115	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3613		4116
3614	$RUNTIME += $TICK;
3615	$NEXT_TICK += $TICK;
3616
3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4117	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618	$NEXT_RUNTIME_WRITE = $NOW + 10;	4118	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3619	Coro::async_pool {	4119	Coro::async_pool {
3620	$Coro::current->{desc} = "runtime saver";	4120	$Coro::current->{desc} = "runtime saver";
3621	write_runtime	4121	write_runtime_sync
3622	or warn "ERROR: unable to write runtime file: $!";	4122	or error "ERROR: unable to write runtime file: $!";
3623	};
3624	}	4123	};
		4124	}
3625		4125
3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4126	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3627	$sig->send;	4127	$sig->send;
3628	}	4128	}
3629	while (my $sig = shift @WAIT_FOR_TICK) {	4129	$WAIT_FOR_TICK->broadcast;
3630	$sig->send;
3631	}
3632		4130
3633	$NOW = Event::time;	4131	$LOAD = ($NOW - $TICK_START) / $TICK;
3634
3635	# if we are delayed by four ticks or more, skip them all
3636	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3637
3638	$TICK_WATCHER->at ($NEXT_TICK);
3639	$TICK_WATCHER->start;
3640
3641	$LOAD = ($NOW - $tick_start) / $TICK;
3642	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4132	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3643		4133
3644	_post_tick;	4134	if (0) {
		4135	if ($NEXT_TICK) {
		4136	my $jitter = $TICK_START - $NEXT_TICK;
		4137	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4138	debug "jitter $JITTER\n";#d#
		4139	}
3645	},	4140	}
3646	);	4141	}
3647		4142
3648	{	4143	{
		4144	# configure BDB
		4145
3649	BDB::min_parallel 8;	4146	BDB::min_parallel 16;
3650	BDB::max_poll_time $TICK * 0.1;	4147	BDB::max_poll_reqs $TICK * 0.1;
3651	$BDB_POLL_WATCHER = Event->io (	4148	$AnyEvent::BDB::WATCHER->priority (1);
3652	reentrant => 0,
3653	fd => BDB::poll_fileno,
3654	poll => 'r',
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => \&BDB::poll_cb,
3658	);
3659
3660	BDB::set_sync_prepare {
3661	my $status;
3662	my $current = $Coro::current;
3663	(
3664	sub {
3665	$status = $!;
3666	$current->ready; undef $current;
3667	},
3668	sub {
3669	Coro::schedule while defined $current;
3670	$! = $status;
3671	},
3672	)
3673	};
3674		4149
3675	unless ($DB_ENV) {	4150	unless ($DB_ENV) {
3676	$DB_ENV = BDB::db_env_create;	4151	$DB_ENV = BDB::db_env_create;
3677	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4152	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3678	| BDB::LOG_AUTOREMOVE, 1);	4153	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4154	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3679	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4155	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3680	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4156	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3681		4157
3682	cf::sync_job {	4158	cf::sync_job {
3683	eval {	4159	eval {
…		…
3693		4169
3694	cf::cleanup "db_env_open(db): $@" if $@;	4170	cf::cleanup "db_env_open(db): $@" if $@;
3695	};	4171	};
3696	}	4172	}
3697		4173
3698	$BDB_DEADLOCK_WATCHER = Event->timer (	4174	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3699	after => 3,
3700	interval => 1,
3701	hard => 1,
3702	prio => 0,
3703	data => WF_AUTOCANCEL,
3704	cb => sub {
3705	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4175	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3706	},
3707	);	4176	};
3708	$BDB_CHECKPOINT_WATCHER = Event->timer (	4177	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3709	after => 11,
3710	interval => 60,
3711	hard => 1,
3712	prio => 0,
3713	data => WF_AUTOCANCEL,
3714	cb => sub {
3715	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4178	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3716	},
3717	);	4179	};
3718	$BDB_TRICKLE_WATCHER = Event->timer (	4180	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3719	after => 5,
3720	interval => 10,
3721	hard => 1,
3722	prio => 0,
3723	data => WF_AUTOCANCEL,
3724	cb => sub {
3725	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4181	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3726	},
3727	);	4182	};
3728	}	4183	}
3729		4184
3730	{	4185	{
		4186	# configure IO::AIO
		4187
3731	IO::AIO::min_parallel 8;	4188	IO::AIO::min_parallel 8;
3732
3733	undef $Coro::AIO::WATCHER;
3734	IO::AIO::max_poll_time $TICK * 0.1;	4189	IO::AIO::max_poll_time $TICK * 0.1;
3735	$AIO_POLL_WATCHER = Event->io (	4190	undef $AnyEvent::AIO::WATCHER;
3736	reentrant => 0,
3737	data => WF_AUTOCANCEL,
3738	fd => IO::AIO::poll_fileno,
3739	poll => 'r',
3740	prio => 0,
3741	cb => \&IO::AIO::poll_cb,
3742	);
3743	}	4191	}
3744		4192
3745	my $_log_backtrace;	4193	our $_log_backtrace;
		4194	our $_log_backtrace_last;
3746		4195
3747	sub _log_backtrace {	4196	sub _log_backtrace {
3748	my ($msg, @addr) = @_;	4197	my ($msg, @addr) = @_;
3749		4198
3750	$msg =~ s/\n//;	4199	$msg =~ s/\n$//;
3751		4200
		4201	if ($_log_backtrace_last eq $msg) {
		4202	LOG llevInfo, "[ABT] $msg\n";
		4203	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3752	# limit the # of concurrent backtraces	4204	# limit the # of concurrent backtraces
3753	if ($_log_backtrace < 2) {	4205	} elsif ($_log_backtrace < 2) {
		4206	$_log_backtrace_last = $msg;
3754	++$_log_backtrace;	4207	++$_log_backtrace;
		4208	my $perl_bt = Carp::longmess $msg;
3755	async {	4209	async {
3756	$Coro::current->{desc} = "abt $msg";	4210	$Coro::current->{desc} = "abt $msg";
3757		4211
3758	my @bt = fork_call {	4212	my @bt = fork_call {
3759	@addr = map { sprintf "%x", $_ } @addr;	4213	@addr = map { sprintf "%x", $_ } @addr;
…		…
3770	}	4224	}
3771		4225
3772	@funcs	4226	@funcs
3773	};	4227	};
3774		4228
3775	LOG llevInfo, "[ABT] $msg\n";	4229	LOG llevInfo, "[ABT] $perl_bt\n";
		4230	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3776	LOG llevInfo, "[ABT] $_\n" for @bt;	4231	LOG llevInfo, "[ABT] $_\n" for @bt;
3777	--$_log_backtrace;	4232	--$_log_backtrace;
3778	};	4233	};
3779	} else {	4234	} else {
3780	LOG llevInfo, "[ABT] $msg\n";	4235	LOG llevInfo, "[ABT] $msg\n";
3781	LOG llevInfo, "[ABT] [suppressed]\n";	4236	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3782	}	4237	}
3783	}	4238	}
3784		4239
3785	# load additional modules	4240	# load additional modules
3786	use cf::pod;	4241	require "cf/$_.pm" for @EXTRA_MODULES;
		4242	cf::_connect_to_perl_2;
3787		4243
3788	END { cf::emergency_save }	4244	END { cf::emergency_save }
3789		4245
3790	1	4246	1
3791		4247

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