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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.389 by root, Sat Oct 20 04:39:57 2007 UTC vs.
Revision 1.572 by root, Sun May 8 11:44:43 2011 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use 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 $cf::LOADAVG
156		234
157	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
162		240
163	The raw value load value from the last tick.	241	The raw value load value from the last tick.
164		242
165	=item %cf::CFG	243	=item %cf::CFG
166		244
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	246	from wherever your confdir points to.
169		247
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		249
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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	$SLOT_QUEUE->ready;
…		…
406		603
407	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
408		605
409	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
410		607
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	608	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	609	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	611	acceptable.
415		612
416	If it must be done, put the blocking parts into C<sync_job>. This will run	613	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	614	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	618	=cut
422		619
423	sub sync_job(&) {	620	sub sync_job(&) {
424	my ($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
667	Crossfire TRT).	902	Deliantra).
668		903
669	=over 4	904	=over 4
670		905
671	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
672		907
…		…
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	sub expand_cfpod {
1554	((my $self), (local $_)) = @_;
1555
1556	# escape & and <
1557	s/&/&amp;/g;
1558	s/(?<![BIUGHT])</&lt;/g;
1559
1560	# this is buggy, it needs to properly take care of nested <'s
1561
1562	1 while
1563	# replace B<>, I<>, U<> etc.
1564	s/B<([^\>]*)>/<b>$1<\/b>/
1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1568	# replace G<male|female> tags
1569	|| s{G<([^>|]*)\|([^>]*)>}{
1570	$self->gender ? $2 : $1
1571	}ge
1572	# replace H<hint text>
1573	|| s{H<([^\>]*)>}
1574	{
1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577	"")
1578	[$self->{hintmode}]
1579	}ge;
1580
1581	# create single paragraphs (very hackish)
1582	s/(?<=\S)\n(?=\w)/ /g;
1583
1584	# compress some whitespace
1585	s/\s+\n/\n/g; # ws line-ends
1586	s/\n\n+/\n/g; # double lines
1587	s/^\n+//; # beginning lines
1588	s/\n+$//; # ending lines
1589
1590	$_
1591	}
1592
1593	sub hintmode {
1594	$_[0]{hintmode} = $_[1] if @_ > 1;
1595	$_[0]{hintmode}
1596	}
1597		1852
1598	=item $player->ext_reply ($msgid, @msg)	1853	=item $player->ext_reply ($msgid, @msg)
1599		1854
1600	Sends an ext reply to the player.	1855	Sends an ext reply to the player.
1601		1856
…		…
1633		1888
1634	=cut	1889	=cut
1635		1890
1636	sub find_by_path($) {	1891	sub find_by_path($) {
1637	my ($path) = @_;	1892	my ($path) = @_;
		1893
		1894	$path =~ s/^~[^\/]*//; # skip ~login
1638		1895
1639	my ($match, $specificity);	1896	my ($match, $specificity);
1640		1897
1641	for my $region (list) {	1898	for my $region (list) {
1642	if ($region->{match} && $path =~ $region->{match}) {	1899	if ($region->{match} && $path =~ $region->{match}) {
…		…
1668	our $MAX_RESET = 3600;	1925	our $MAX_RESET = 3600;
1669	our $DEFAULT_RESET = 3000;	1926	our $DEFAULT_RESET = 3000;
1670		1927
1671	sub generate_random_map {	1928	sub generate_random_map {
1672	my ($self, $rmp) = @_;	1929	my ($self, $rmp) = @_;
1673	# mit "rum" bekleckern, nicht	1930
		1931	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1932
1674	$self->_create_random_map (	1933	$self->_create_random_map ($rmp);
1675	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1676	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1677	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1678	$rmp->{exit_on_final_map},
1679	$rmp->{xsize}, $rmp->{ysize},
1680	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1681	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1682	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1683	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1684	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1685	(cf::region::find $rmp->{region}), $rmp->{custom}
1686	)
1687	}	1934	}
1688		1935
1689	=item cf::map->register ($regex, $prio)	1936	=item cf::map->register ($regex, $prio)
1690		1937
1691	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
…		…
1696		1943
1697	sub register {	1944	sub register {
1698	my (undef, $regex, $prio) = @_;	1945	my (undef, $regex, $prio) = @_;
1699	my $pkg = caller;	1946	my $pkg = caller;
1700		1947
1701	no strict;
1702	push @{"$pkg\::ISA"}, __PACKAGE__;	1948	push @{"$pkg\::ISA"}, __PACKAGE__;
1703		1949
1704	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1950	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1705	}	1951	}
1706		1952
1707	# also paths starting with '/'	1953	# also paths starting with '/'
1708	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1954	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1709		1955
1710	sub thawer_merge {	1956	sub thawer_merge {
1711	my ($self, $merge) = @_;	1957	my ($self, $merge) = @_;
1712		1958
1713	# we have to keep some variables in memory intact	1959	# we have to keep some variables in memory intact
…		…
1718	}	1964	}
1719		1965
1720	sub normalise {	1966	sub normalise {
1721	my ($path, $base) = @_;	1967	my ($path, $base) = @_;
1722		1968
1723	$path = "$path"; # make sure its a string	1969	$path = "$path"; # make sure it's a string
1724		1970
1725	$path =~ s/\.map$//;	1971	$path =~ s/\.map$//;
1726		1972
1727	# map plan:	1973	# map plan:
1728	#	1974	#
…		…
1743	$base =~ s{[^/]+/?$}{};	1989	$base =~ s{[^/]+/?$}{};
1744	$path = "$base/$path";	1990	$path = "$base/$path";
1745	}	1991	}
1746		1992
1747	for ($path) {	1993	for ($path) {
1748	redo if s{//}{/};
1749	redo if s{/\.?/}{/};	1994	redo if s{/\.?/}{/};
1750	redo if s{/[^/]+/\.\./}{/};	1995	redo if s{/[^/]+/\.\./}{/};
1751	}	1996	}
1752		1997
1753	$path	1998	$path
…		…
1767	$self->init; # pass $1 etc.	2012	$self->init; # pass $1 etc.
1768	return $self;	2013	return $self;
1769	}	2014	}
1770	}	2015	}
1771		2016
1772	Carp::cluck "unable to resolve path '$path' (base '$base').";	2017	Carp::cluck "unable to resolve path '$path' (base '$base')";
1773	()	2018	()
1774	}	2019	}
1775		2020
		2021	# may re-bless or do other evil things
1776	sub init {	2022	sub init {
1777	my ($self) = @_;	2023	my ($self) = @_;
1778		2024
1779	$self	2025	$self
1780	}	2026	}
…		…
1799		2045
1800	# the temporary/swap location	2046	# the temporary/swap location
1801	sub save_path {	2047	sub save_path {
1802	my ($self) = @_;	2048	my ($self) = @_;
1803		2049
1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2050	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1805	"$TMPDIR/$path.map"	2051	"$TMPDIR/$path.map"
1806	}	2052	}
1807		2053
1808	# the unique path, undef == no special unique path	2054	# the unique path, undef == no special unique path
1809	sub uniq_path {	2055	sub uniq_path {
1810	my ($self) = @_;	2056	my ($self) = @_;
1811		2057
1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2058	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1813	"$UNIQUEDIR/$path"	2059	"$UNIQUEDIR/$path"
1814	}
1815
1816	# and all this just because we cannot iterate over
1817	# all maps in C++...
1818	sub change_all_map_light {
1819	my ($change) = @_;
1820
1821	$_->change_map_light ($change)
1822	for grep $_->outdoor, values %cf::MAP;
1823	}	2060	}
1824		2061
1825	sub decay_objects {	2062	sub decay_objects {
1826	my ($self) = @_;	2063	my ($self) = @_;
1827		2064
…		…
1854	$self->{load_path} = $path;	2091	$self->{load_path} = $path;
1855		2092
1856	1	2093	1
1857	}	2094	}
1858		2095
		2096	# used to laod the header of an original map
1859	sub load_header_orig {	2097	sub load_header_orig {
1860	my ($self) = @_;	2098	my ($self) = @_;
1861		2099
1862	$self->load_header_from ($self->load_path)	2100	$self->load_header_from ($self->load_path)
1863	}	2101	}
1864		2102
		2103	# used to laod the header of an instantiated map
1865	sub load_header_temp {	2104	sub load_header_temp {
1866	my ($self) = @_;	2105	my ($self) = @_;
1867		2106
1868	$self->load_header_from ($self->save_path)	2107	$self->load_header_from ($self->save_path)
1869	}	2108	}
1870		2109
		2110	# called after loading the header from an instantiated map
1871	sub prepare_temp {	2111	sub prepare_temp {
1872	my ($self) = @_;	2112	my ($self) = @_;
1873		2113
1874	$self->last_access ((delete $self->{last_access})	2114	$self->last_access ((delete $self->{last_access})
1875	|| $cf::RUNTIME); #d#	2115	|| $cf::RUNTIME); #d#
1876	# safety	2116	# safety
1877	$self->{instantiate_time} = $cf::RUNTIME	2117	$self->{instantiate_time} = $cf::RUNTIME
1878	if $self->{instantiate_time} > $cf::RUNTIME;	2118	if $self->{instantiate_time} > $cf::RUNTIME;
1879	}	2119	}
1880		2120
		2121	# called after loading the header from an original map
1881	sub prepare_orig {	2122	sub prepare_orig {
1882	my ($self) = @_;	2123	my ($self) = @_;
1883		2124
1884	$self->{load_original} = 1;	2125	$self->{load_original} = 1;
1885	$self->{instantiate_time} = $cf::RUNTIME;	2126	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1909		2150
1910	sub find;	2151	sub find;
1911	sub find {	2152	sub find {
1912	my ($path, $origin) = @_;	2153	my ($path, $origin) = @_;
1913		2154
		2155	cf::cede_to_tick;
		2156
1914	$path = normalise $path, $origin && $origin->path;	2157	$path = normalise $path, $origin;
1915		2158
1916	cf::lock_wait "map_data:$path";#d#remove	2159	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1917	cf::lock_wait "map_find:$path";	2160	my $guard2 = cf::lock_acquire "map_find:$path";
1918		2161
1919	$cf::MAP{$path} || do {	2162	$cf::MAP{$path} || do {
1920	my $guard1 = cf::lock_acquire "map_find:$path";
1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1922
1923	my $map = new_from_path cf::map $path	2163	my $map = new_from_path cf::map $path
1924	or return;	2164	or return;
1925		2165
1926	$map->{last_save} = $cf::RUNTIME;	2166	$map->{last_save} = $cf::RUNTIME;
1927		2167
…		…
1929	or return;	2169	or return;
1930		2170
1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2171	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1932	# doing this can freeze the server in a sync job, obviously	2172	# doing this can freeze the server in a sync job, obviously
1933	#$cf::WAIT_FOR_TICK->wait;	2173	#$cf::WAIT_FOR_TICK->wait;
		2174	undef $guard2;
1934	undef $guard1;	2175	undef $guard1;
1935	undef $guard2;
1936	$map->reset;	2176	$map->reset;
1937	return find $path;	2177	return find $path;
1938	}	2178	}
1939		2179
1940	$cf::MAP{$path} = $map	2180	$cf::MAP{$path} = $map
1941	}	2181	}
1942	}	2182	}
1943		2183
1944	sub pre_load { }	2184	sub pre_load { }
1945	sub post_load { }	2185	#sub post_load { } # XS
1946		2186
1947	sub load {	2187	sub load {
1948	my ($self) = @_;	2188	my ($self) = @_;
1949		2189
1950	local $self->{deny_reset} = 1; # loading can take a long time	2190	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1953		2193
1954	{	2194	{
1955	my $guard = cf::lock_acquire "map_data:$path";	2195	my $guard = cf::lock_acquire "map_data:$path";
1956		2196
1957	return unless $self->valid;	2197	return unless $self->valid;
1958	return unless $self->in_memory == cf::MAP_SWAPPED;	2198	return unless $self->state == cf::MAP_SWAPPED;
1959
1960	$self->in_memory (cf::MAP_LOADING);
1961		2199
1962	$self->alloc;	2200	$self->alloc;
1963		2201
1964	$self->pre_load;	2202	$self->pre_load;
1965	cf::cede_to_tick;	2203	cf::cede_to_tick;
1966		2204
		2205	if (exists $self->{load_path}) {
1967	my $f = new_from_file cf::object::thawer $self->{load_path};	2206	my $f = new_from_file cf::object::thawer $self->{load_path};
1968	$f->skip_block;	2207	$f->skip_block;
1969	$self->_load_objects ($f)	2208	$self->_load_objects ($f)
1970	or return;	2209	or return;
1971		2210
1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2211	$self->post_load_original
1973	if delete $self->{load_original};	2212	if delete $self->{load_original};
1974		2213
1975	if (my $uniq = $self->uniq_path) {	2214	if (my $uniq = $self->uniq_path) {
1976	utf8::encode $uniq;	2215	utf8::encode $uniq;
1977	unless (aio_stat $uniq) {	2216	unless (aio_stat $uniq) {
1978	if (my $f = new_from_file cf::object::thawer $uniq) {	2217	if (my $f = new_from_file cf::object::thawer $uniq) {
1979	$self->clear_unique_items;	2218	$self->clear_unique_items;
1980	$self->_load_objects ($f);	2219	$self->_load_objects ($f);
1981	$f->resolve_delayed_derefs;	2220	$f->resolve_delayed_derefs;
		2221	}
1982	}	2222	}
1983	}	2223	}
1984	}
1985		2224
1986	$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);
1987		2232
1988	cf::cede_to_tick;	2233	cf::cede_to_tick;
1989	# now do the right thing for maps	2234	# now do the right thing for maps
1990	$self->link_multipart_objects;	2235	$self->link_multipart_objects;
1991	$self->difficulty ($self->estimate_difficulty)	2236	$self->difficulty ($self->estimate_difficulty)
…		…
1994		2239
1995	unless ($self->{deny_activate}) {	2240	unless ($self->{deny_activate}) {
1996	$self->decay_objects;	2241	$self->decay_objects;
1997	$self->fix_auto_apply;	2242	$self->fix_auto_apply;
1998	$self->update_buttons;	2243	$self->update_buttons;
		2244	$self->post_load_physics;
1999	cf::cede_to_tick;	2245	cf::cede_to_tick;
2000	$self->set_darkness_map;	2246	#$self->activate; # no longer activate maps automatically
2001	cf::cede_to_tick;
2002	$self->activate;
2003	}	2247	}
2004		2248
2005	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
2006	$self->last_access ($cf::RUNTIME);	2250	$self->last_access ($cf::RUNTIME);
2007
2008	$self->in_memory (cf::MAP_IN_MEMORY);
2009	}	2251	}
2010		2252
2011	$self->post_load;	2253	$self->post_load;
2012	}
2013		2254
		2255	1
		2256	}
		2257
		2258	# customize the map for a given player, i.e.
		2259	# return the _real_ map. used by e.g. per-player
		2260	# maps to change the path to ~playername/mappath
2014	sub customise_for {	2261	sub customise_for {
2015	my ($self, $ob) = @_;	2262	my ($self, $ob) = @_;
2016		2263
2017	return find "~" . $ob->name . "/" . $self->{path}	2264	return find "~" . $ob->name . "/" . $self->{path}
2018	if $self->per_player;	2265	if $self->per_player;
…		…
2034	or next;	2281	or next;
2035	$neigh = find $neigh, $map	2282	$neigh = find $neigh, $map
2036	or next;	2283	or next;
2037	$neigh->load;	2284	$neigh->load;
2038		2285
		2286	# now find the diagonal neighbours
2039	push @neigh,	2287	push @neigh,
2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],	2288	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2289	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2042	}	2290	}
2043		2291
…		…
2050	}	2298	}
2051		2299
2052	sub find_sync {	2300	sub find_sync {
2053	my ($path, $origin) = @_;	2301	my ($path, $origin) = @_;
2054		2302
2055	cf::sync_job { find $path, $origin }	2303	# it's a bug to call this from the main context
		2304	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2305	if $Coro::current == $Coro::main;
		2306
		2307	find $path, $origin
2056	}	2308	}
2057		2309
2058	sub do_load_sync {	2310	sub do_load_sync {
2059	my ($map) = @_;	2311	my ($map) = @_;
2060		2312
		2313	# it's a bug to call this from the main context
2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2314	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2062	if $Coro::current == $Coro::main;	2315	if $Coro::current == $Coro::main;
2063		2316
2064	cf::sync_job { $map->load };	2317	$map->load;
2065	}	2318	}
2066		2319
2067	our %MAP_PREFETCH;	2320	our %MAP_PREFETCH;
2068	our $MAP_PREFETCHER = undef;	2321	our $MAP_PREFETCHER = undef;
2069		2322
2070	sub find_async {	2323	sub find_async {
2071	my ($path, $origin, $load) = @_;	2324	my ($path, $origin, $load) = @_;
2072		2325
2073	$path = normalise $path, $origin && $origin->{path};	2326	$path = normalise $path, $origin;
2074		2327
		2328	print "find async $path (from $origin)\n";#d#
		2329
2075	if (my $map = $cf::MAP{$path}) {	2330	if (my $map = $cf::MAP{$path}) {
2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2331	return $map if !$load || $map->linkable;
2077	}	2332	}
2078		2333
2079	$MAP_PREFETCH{$path} |= $load;	2334	$MAP_PREFETCH{$path} |= $load;
2080		2335
2081	$MAP_PREFETCHER ||= cf::async {	2336	$MAP_PREFETCHER ||= cf::async {
…		…
2095	$MAP_PREFETCHER->prio (6);	2350	$MAP_PREFETCHER->prio (6);
2096		2351
2097	()	2352	()
2098	}	2353	}
2099		2354
		2355	# common code, used by both ->save and ->swapout
2100	sub save {	2356	sub _save {
2101	my ($self) = @_;	2357	my ($self) = @_;
2102
2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
2104		2358
2105	$self->{last_save} = $cf::RUNTIME;	2359	$self->{last_save} = $cf::RUNTIME;
2106		2360
2107	return unless $self->dirty;	2361	return unless $self->dirty;
2108		2362
…		…
2117		2371
2118	cf::async {	2372	cf::async {
2119	$Coro::current->{desc} = "map player save";	2373	$Coro::current->{desc} = "map player save";
2120	$_->contr->save for $self->players;	2374	$_->contr->save for $self->players;
2121	};	2375	};
		2376
		2377	cf::get_slot 0.02;
2122		2378
2123	if ($uniq) {	2379	if ($uniq) {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2380	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2125	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2381	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2126	} else {	2382	} else {
2127	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2383	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2128	}	2384	}
2129	}	2385	}
2130		2386
		2387	sub save {
		2388	my ($self) = @_;
		2389
		2390	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2391
		2392	$self->_save;
		2393	}
		2394
2131	sub swap_out {	2395	sub swap_out {
2132	my ($self) = @_;	2396	my ($self) = @_;
2133		2397
2134	# save first because save cedes
2135	$self->save;
2136
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";	2398	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138		2399
		2400	return if !$self->linkable;
		2401	return if $self->{deny_save};
2139	return if $self->players;	2402	return if $self->players;
2140	return if $self->in_memory != cf::MAP_IN_MEMORY;	2403
		2404	# first deactivate the map and "unlink" it from the core
		2405	$self->deactivate;
		2406	$_->clear_links_to ($self) for values %cf::MAP;
		2407	$self->state (cf::MAP_SWAPPED);
		2408
		2409	# then atomically save
		2410	$self->_save;
		2411
		2412	# then free the map
		2413	$self->clear;
		2414	}
		2415
		2416	sub reset_at {
		2417	my ($self) = @_;
		2418
		2419	# TODO: safety, remove and allow resettable per-player maps
2141	return if $self->{deny_save};	2420	return 1e99 if $self->{deny_reset};
2142		2421
		2422	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2423	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2424
		2425	$time + $to
		2426	}
		2427
		2428	sub should_reset {
		2429	my ($self) = @_;
		2430
		2431	$self->reset_at <= $cf::RUNTIME
		2432	}
		2433
		2434	sub reset {
		2435	my ($self) = @_;
		2436
		2437	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2438
		2439	return if $self->players;
		2440
		2441	cf::trace "resetting map ", $self->path, "\n";
		2442
2143	$self->in_memory (cf::MAP_SWAPPED);	2443	$self->state (cf::MAP_SWAPPED);
		2444
		2445	# need to save uniques path
		2446	unless ($self->{deny_save}) {
		2447	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2448
		2449	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2450	if $uniq;
		2451	}
		2452
		2453	delete $cf::MAP{$self->path};
2144		2454
2145	$self->deactivate;	2455	$self->deactivate;
2146	$_->clear_links_to ($self) for values %cf::MAP;	2456	$_->clear_links_to ($self) for values %cf::MAP;
2147	$self->clear;	2457	$self->clear;
2148	}
2149
2150	sub reset_at {
2151	my ($self) = @_;
2152
2153	# TODO: safety, remove and allow resettable per-player maps
2154	return 1e99 if $self->{deny_reset};
2155
2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2158
2159	$time + $to
2160	}
2161
2162	sub should_reset {
2163	my ($self) = @_;
2164
2165	$self->reset_at <= $cf::RUNTIME
2166	}
2167
2168	sub reset {
2169	my ($self) = @_;
2170
2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
2172
2173	return if $self->players;
2174
2175	warn "resetting map ", $self->path;
2176
2177	$self->in_memory (cf::MAP_SWAPPED);
2178
2179	# need to save uniques path
2180	unless ($self->{deny_save}) {
2181	my $uniq = $self->uniq_path; utf8::encode $uniq;
2182
2183	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2184	if $uniq;
2185	}
2186
2187	delete $cf::MAP{$self->path};
2188
2189	$self->deactivate;
2190	$_->clear_links_to ($self) for values %cf::MAP;
2191	$self->clear;
2192		2458
2193	$self->unlink_save;	2459	$self->unlink_save;
2194	$self->destroy;	2460	$self->destroy;
2195	}	2461	}
2196		2462
…		…
2204		2470
2205	delete $cf::MAP{$self->path};	2471	delete $cf::MAP{$self->path};
2206		2472
2207	$self->unlink_save;	2473	$self->unlink_save;
2208		2474
2209	bless $self, "cf::map";	2475	bless $self, "cf::map::wrap";
2210	delete $self->{deny_reset};	2476	delete $self->{deny_reset};
2211	$self->{deny_save} = 1;	2477	$self->{deny_save} = 1;
2212	$self->reset_timeout (1);	2478	$self->reset_timeout (1);
2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2479	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2214		2480
…		…
2263		2529
2264	sub unique_maps() {	2530	sub unique_maps() {
2265	[	2531	[
2266	map {	2532	map {
2267	utf8::decode $_;	2533	utf8::decode $_;
2268	/\.map$/	2534	s/\.map$//; # TODO future compatibility hack
		2535	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2536	? ()
2269	? normalise $_	2537	: normalise $_
2270	: ()
2271	} @{ aio_readdir $UNIQUEDIR or [] }	2538	} @{ aio_readdir $UNIQUEDIR or [] }
2272	]	2539	]
2273	}	2540	}
2274		2541
2275	package cf;	2542	=item cf::map::static_maps
		2543
		2544	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2545	file in the shared directory excluding F</styles> and F</editor>). May
		2546	block.
		2547
		2548	=cut
		2549
		2550	sub static_maps() {
		2551	my @dirs = "";
		2552	my @maps;
		2553
		2554	while (@dirs) {
		2555	my $dir = shift @dirs;
		2556
		2557	next if $dir eq "/styles" || $dir eq "/editor";
		2558
		2559	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2560	or return;
		2561
		2562	for (@$files) {
		2563	s/\.map$// or next;
		2564	utf8::decode $_;
		2565	push @maps, "$dir/$_";
		2566	}
		2567
		2568	push @dirs, map "$dir/$_", @$dirs;
		2569	}
		2570
		2571	\@maps
		2572	}
2276		2573
2277	=back	2574	=back
2278		2575
2279	=head3 cf::object	2576	=head3 cf::object
2280		2577
…		…
2284		2581
2285	=over 4	2582	=over 4
2286		2583
2287	=item $ob->inv_recursive	2584	=item $ob->inv_recursive
2288		2585
2289	Returns the inventory of the object _and_ their inventories, recursively.	2586	Returns the inventory of the object I<and> their inventories, recursively,
		2587	but I<not> the object itself.
2290		2588
2291	=cut	2589	=cut
2292		2590
2293	sub inv_recursive_;	2591	sub inv_recursive_;
2294	sub inv_recursive_ {	2592	sub inv_recursive_ {
…		…
2299	inv_recursive_ inv $_[0]	2597	inv_recursive_ inv $_[0]
2300	}	2598	}
2301		2599
2302	=item $ref = $ob->ref	2600	=item $ref = $ob->ref
2303		2601
2304	creates and returns a persistent reference to an objetc that can be stored as a string.	2602	Creates and returns a persistent reference to an object that can be stored as a string.
2305		2603
2306	=item $ob = cf::object::deref ($refstring)	2604	=item $ob = cf::object::deref ($refstring)
2307		2605
2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2606	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2309	even if the object actually exists. May block.	2607	even if the object actually exists. May block.
…		…
2341	can be C<undef>. Does the right thing when the player is currently in a	2639	can be C<undef>. Does the right thing when the player is currently in a
2342	dialogue with the given NPC character.	2640	dialogue with the given NPC character.
2343		2641
2344	=cut	2642	=cut
2345		2643
		2644	our $SAY_CHANNEL = {
		2645	id => "say",
		2646	title => "Map",
		2647	reply => "say ",
		2648	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2649	};
		2650
		2651	our $CHAT_CHANNEL = {
		2652	id => "chat",
		2653	title => "Chat",
		2654	reply => "chat ",
		2655	tooltip => "Player chat and shouts, global to the server.",
		2656	};
		2657
2346	# rough implementation of a future "reply" method that works	2658	# rough implementation of a future "reply" method that works
2347	# with dialog boxes.	2659	# with dialog boxes.
2348	#TODO: the first argument must go, split into a $npc->reply_to ( method	2660	#TODO: the first argument must go, split into a $npc->reply_to ( method
2349	sub cf::object::player::reply($$$;$) {	2661	sub cf::object::player::reply($$$;$) {
2350	my ($self, $npc, $msg, $flags) = @_;	2662	my ($self, $npc, $msg, $flags) = @_;
…		…
2361	my $dialog = $pl->{npc_dialog};	2673	my $dialog = $pl->{npc_dialog};
2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2674	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2363		2675
2364	} else {	2676	} else {
2365	$msg = $npc->name . " says: $msg" if $npc;	2677	$msg = $npc->name . " says: $msg" if $npc;
2366	$self->message ($msg, $flags);	2678	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2367	}	2679	}
2368	}	2680	}
2369	}	2681	}
2370		2682
2371	=item $object->send_msg ($channel, $msg, $color, [extra...])	2683	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2396		2708
2397	=item $player_object->enter_link	2709	=item $player_object->enter_link
2398		2710
2399	Freezes the player and moves him/her to a special map (C<{link}>).	2711	Freezes the player and moves him/her to a special map (C<{link}>).
2400		2712
2401	The player should be reasonably safe there for short amounts of time. You	2713	The player should be reasonably safe there for short amounts of time (e.g.
2402	I<MUST> call C<leave_link> as soon as possible, though.	2714	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2715	though, as the player cannot control the character while it is on the link
		2716	map.
2403		2717
2404	Will never block.	2718	Will never block.
2405		2719
2406	=item $player_object->leave_link ($map, $x, $y)	2720	=item $player_object->leave_link ($map, $x, $y)
2407		2721
…		…
2427	sub cf::object::player::enter_link {	2741	sub cf::object::player::enter_link {
2428	my ($self) = @_;	2742	my ($self) = @_;
2429		2743
2430	$self->deactivate_recursive;	2744	$self->deactivate_recursive;
2431		2745
		2746	++$self->{_link_recursion};
		2747
2432	return if UNIVERSAL::isa $self->map, "ext::map_link";	2748	return if UNIVERSAL::isa $self->map, "ext::map_link";
2433		2749
2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2435	if $self->map && $self->map->{path} ne "{link}";	2751	if $self->map && $self->map->{path} ne "{link}";
2436		2752
2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2753	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2438	}	2754	}
2439		2755
2440	sub cf::object::player::leave_link {	2756	sub cf::object::player::leave_link {
2441	my ($self, $map, $x, $y) = @_;	2757	my ($self, $map, $x, $y) = @_;
2442		2758
…		…
2459	($x, $y) = (-1, -1)	2775	($x, $y) = (-1, -1)
2460	unless (defined $x) && (defined $y);	2776	unless (defined $x) && (defined $y);
2461		2777
2462	# use -1 or undef as default coordinates, not 0, 0	2778	# use -1 or undef as default coordinates, not 0, 0
2463	($x, $y) = ($map->enter_x, $map->enter_y)	2779	($x, $y) = ($map->enter_x, $map->enter_y)
2464	if $x <=0 && $y <= 0;	2780	if $x <= 0 && $y <= 0;
2465		2781
2466	$map->load;	2782	$map->load;
2467	$map->load_neighbours;	2783	$map->load_neighbours;
2468		2784
2469	return unless $self->contr->active;	2785	return unless $self->contr->active;
2470	$self->activate_recursive;
2471		2786
2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2787	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2473	$self->enter_map ($map, $x, $y);	2788	if ($self->enter_map ($map, $x, $y)) {
2474	}	2789	# entering was successful
		2790	delete $self->{_link_recursion};
		2791	# only activate afterwards, to support waiting in hooks
		2792	$self->activate_recursive;
		2793	}
2475		2794
		2795	}
		2796
2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2797	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2477		2798
2478	Moves the player to the given map-path and coordinates by first freezing	2799	Moves the player to the given map-path and coordinates by first freezing
2479	her, loading and preparing them map, calling the provided $check callback	2800	her, loading and preparing them map, calling the provided $check callback
2480	that has to return the map if sucecssful, and then unfreezes the player on	2801	that has to return the map if sucecssful, and then unfreezes the player on
2481	the new (success) or old (failed) map position. In either case, $done will	2802	the new (success) or old (failed) map position. In either case, $done will
2482	be called at the end of this process.	2803	be called at the end of this process.
2483		2804
		2805	Note that $check will be called with a potentially non-loaded map, so if
		2806	it needs a loaded map it has to call C<< ->load >>.
		2807
2484	=cut	2808	=cut
2485		2809
2486	our $GOTOGEN;	2810	our $GOTOGEN;
2487		2811
2488	sub cf::object::player::goto {	2812	sub cf::object::player::goto {
2489	my ($self, $path, $x, $y, $check, $done) = @_;	2813	my ($self, $path, $x, $y, $check, $done) = @_;
		2814
		2815	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2816	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2817	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2818	($path, $x, $y) = @$EMERGENCY_POSITION;
		2819	}
2490		2820
2491	# do generation counting so two concurrent goto's will be executed in-order	2821	# do generation counting so two concurrent goto's will be executed in-order
2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2822	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2493		2823
2494	$self->enter_link;	2824	$self->enter_link;
…		…
2514	($path, $x, $y) = (undef, undef, undef);	2844	($path, $x, $y) = (undef, undef, undef);
2515	}	2845	}
2516	}	2846	}
2517		2847
2518	my $map = eval {	2848	my $map = eval {
2519	my $map = defined $path ? cf::map::find $path : undef;	2849	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2520		2850
2521	if ($map) {	2851	if ($map) {
2522	$map = $map->customise_for ($self);	2852	$map = $map->customise_for ($self);
2523	$map = $check->($map) if $check && $map;	2853	$map = $check->($map, $x, $y, $self) if $check && $map;
2524	} else {	2854	} else {
2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2855	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2526	}	2856	}
2527		2857
2528	$map	2858	$map
…		…
2536	if ($gen == $self->{_goto_generation}) {	2866	if ($gen == $self->{_goto_generation}) {
2537	delete $self->{_goto_generation};	2867	delete $self->{_goto_generation};
2538	$self->leave_link ($map, $x, $y);	2868	$self->leave_link ($map, $x, $y);
2539	}	2869	}
2540		2870
2541	$done->() if $done;	2871	$done->($self) if $done;
2542	})->prio (1);	2872	})->prio (1);
2543	}	2873	}
2544		2874
2545	=item $player_object->enter_exit ($exit_object)	2875	=item $player_object->enter_exit ($exit_object)
2546		2876
…		…
2566	}	2896	}
2567		2897
2568	sub prepare_random_map {	2898	sub prepare_random_map {
2569	my ($exit) = @_;	2899	my ($exit) = @_;
2570		2900
2571	my $guard = cf::lock_acquire "exit_prepare:$exit";
2572
2573	# all this does is basically replace the /! path by	2901	# all this does is basically replace the /! path by
2574	# a new random map path (?random/...) with a seed	2902	# a new random map path (?random/...) with a seed
2575	# that depends on the exit object	2903	# that depends on the exit object
2576		2904
2577	my $rmp = parse_random_map_params $exit->msg;	2905	my $rmp = parse_random_map_params $exit->msg;
…		…
2579	if ($exit->map) {	2907	if ($exit->map) {
2580	$rmp->{region} = $exit->region->name;	2908	$rmp->{region} = $exit->region->name;
2581	$rmp->{origin_map} = $exit->map->path;	2909	$rmp->{origin_map} = $exit->map->path;
2582	$rmp->{origin_x} = $exit->x;	2910	$rmp->{origin_x} = $exit->x;
2583	$rmp->{origin_y} = $exit->y;	2911	$rmp->{origin_y} = $exit->y;
		2912
		2913	$exit->map->touch;
2584	}	2914	}
2585		2915
2586	$rmp->{random_seed} ||= $exit->random_seed;	2916	$rmp->{random_seed} ||= $exit->random_seed;
2587		2917
2588	my $data = cf::to_json $rmp;	2918	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2589	my $md5 = Digest::MD5::md5_hex $data;	2919	my $md5 = Digest::MD5::md5_hex $data;
2590	my $meta = "$RANDOMDIR/$md5.meta";	2920	my $meta = "$RANDOMDIR/$md5.meta";
2591		2921
2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2922	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2593	aio_write $fh, 0, (length $data), $data, 0;	2923	aio_write $fh, 0, (length $data), $data, 0;
2594	undef $fh;	2924	undef $fh;
2595	aio_rename "$meta~", $meta;	2925	aio_rename "$meta~", $meta;
2596		2926
		2927	my $slaying = "?random/$md5";
		2928
		2929	if ($exit->valid) {
2597	$exit->slaying ("?random/$md5");	2930	$exit->slaying ("?random/$md5");
2598	$exit->msg (undef);	2931	$exit->msg (undef);
		2932	}
2599	}	2933	}
2600	}	2934	}
2601		2935
2602	sub cf::object::player::enter_exit {	2936	sub cf::object::player::enter_exit {
2603	my ($self, $exit) = @_;	2937	my ($self, $exit) = @_;
2604		2938
2605	return unless $self->type == cf::PLAYER;	2939	return unless $self->type == cf::PLAYER;
2606		2940
2607	if ($exit->slaying eq "/!") {
2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
2609	# the problem is that $exit might not survive long enough
2610	# so it needs to be done right now, right here
2611	cf::sync_job { prepare_random_map $exit };
2612	}
2613
2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2615	my $hp = $exit->stats->hp;
2616	my $sp = $exit->stats->sp;
2617
2618	$self->enter_link;	2941	$self->enter_link;
2619		2942
2620	# if exit is damned, update players death & WoR home-position
2621	$self->contr->savebed ($slaying, $hp, $sp)
2622	if $exit->flag (FLAG_DAMNED);
2623
2624	(async {	2943	(async {
2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2944	$Coro::current->{desc} = "enter_exit";
2626		2945
2627	$self->deactivate_recursive; # just to be sure
2628	unless (eval {	2946	unless (eval {
		2947	$self->deactivate_recursive; # just to be sure
		2948
		2949	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2950	my $x = $exit->stats->hp;
		2951	my $y = $exit->stats->sp;
		2952
		2953	# special map handling
		2954	my $slaying = $exit->slaying;
		2955
		2956	# special map handling
		2957	if ($slaying eq "/!") {
		2958	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2959
		2960	prepare_random_map $exit
		2961	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2962
		2963	$map = $exit->slaying;
		2964
		2965	} elsif ($slaying eq '!up') {
		2966	$map = $exit->map->tile_path (cf::TILE_UP);
		2967	$x = $exit->x;
		2968	$y = $exit->y;
		2969
		2970	} elsif ($slaying eq '!down') {
		2971	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2972	$x = $exit->x;
		2973	$y = $exit->y;
		2974	}
		2975
2629	$self->goto ($slaying, $hp, $sp);	2976	$self->goto ($map, $x, $y);
2630		2977
		2978	# if exit is damned, update players death & WoR home-position
		2979	$self->contr->savebed ($map, $x, $y)
		2980	if $exit->flag (cf::FLAG_DAMNED);
		2981
2631	1;	2982	1
2632	}) {	2983	}) {
2633	$self->message ("Something went wrong deep within the crossfire server. "	2984	$self->message ("Something went wrong deep within the deliantra server. "
2634	. "I'll try to bring you back to the map you were before. "	2985	. "I'll try to bring you back to the map you were before. "
2635	. "Please report this to the dungeon master!",	2986	. "Please report this to the dungeon master!",
2636	cf::NDI_UNIQUE | cf::NDI_RED);	2987	cf::NDI_UNIQUE | cf::NDI_RED);
2637		2988
2638	warn "ERROR in enter_exit: $@";	2989	error "ERROR in enter_exit: $@";
2639	$self->leave_link;	2990	$self->leave_link;
2640	}	2991	}
2641	})->prio (1);	2992	})->prio (1);
2642	}	2993	}
2643		2994
…		…
2655	sub cf::client::send_drawinfo {	3006	sub cf::client::send_drawinfo {
2656	my ($self, $text, $flags) = @_;	3007	my ($self, $text, $flags) = @_;
2657		3008
2658	utf8::encode $text;	3009	utf8::encode $text;
2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3010	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3011	}
		3012
		3013	=item $client->send_big_packet ($pkt)
		3014
		3015	Like C<send_packet>, but tries to compress large packets, and fragments
		3016	them as required.
		3017
		3018	=cut
		3019
		3020	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3021
		3022	sub cf::client::send_big_packet {
		3023	my ($self, $pkt) = @_;
		3024
		3025	# try lzf for large packets
		3026	$pkt = "lzf " . Compress::LZF::compress $pkt
		3027	if 1024 <= length $pkt and $self->{can_lzf};
		3028
		3029	# split very large packets
		3030	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3031	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3032	$pkt = "frag";
		3033	}
		3034
		3035	$self->send_packet ($pkt);
2660	}	3036	}
2661		3037
2662	=item $client->send_msg ($channel, $msg, $color, [extra...])	3038	=item $client->send_msg ($channel, $msg, $color, [extra...])
2663		3039
2664	Send a drawinfo or msg packet to the client, formatting the msg for the	3040	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2666	the message, with C<log> being the default. If C<$color> is negative, suppress	3042	the message, with C<log> being the default. If C<$color> is negative, suppress
2667	the message unless the client supports the msg packet.	3043	the message unless the client supports the msg packet.
2668		3044
2669	=cut	3045	=cut
2670		3046
		3047	# non-persistent channels (usually the info channel)
2671	our %CHANNEL = (	3048	our %CHANNEL = (
		3049	"c/motd" => {
		3050	id => "infobox",
		3051	title => "MOTD",
		3052	reply => undef,
		3053	tooltip => "The message of the day",
		3054	},
2672	"c/identify" => {	3055	"c/identify" => {
2673	id => "infobox",	3056	id => "infobox",
2674	title => "Identify",	3057	title => "Identify",
2675	reply => undef,	3058	reply => undef,
2676	tooltip => "Items recently identified",	3059	tooltip => "Items recently identified",
…		…
2678	"c/examine" => {	3061	"c/examine" => {
2679	id => "infobox",	3062	id => "infobox",
2680	title => "Examine",	3063	title => "Examine",
2681	reply => undef,	3064	reply => undef,
2682	tooltip => "Signs and other items you examined",	3065	tooltip => "Signs and other items you examined",
		3066	},
		3067	"c/shopinfo" => {
		3068	id => "infobox",
		3069	title => "Shop Info",
		3070	reply => undef,
		3071	tooltip => "What your bargaining skill tells you about the shop",
2683	},	3072	},
2684	"c/book" => {	3073	"c/book" => {
2685	id => "infobox",	3074	id => "infobox",
2686	title => "Book",	3075	title => "Book",
2687	reply => undef,	3076	reply => undef,
…		…
2691	id => "infobox",	3080	id => "infobox",
2692	title => "Look",	3081	title => "Look",
2693	reply => undef,	3082	reply => undef,
2694	tooltip => "What you saw there",	3083	tooltip => "What you saw there",
2695	},	3084	},
		3085	"c/who" => {
		3086	id => "infobox",
		3087	title => "Players",
		3088	reply => undef,
		3089	tooltip => "Shows players who are currently online",
		3090	},
		3091	"c/body" => {
		3092	id => "infobox",
		3093	title => "Body Parts",
		3094	reply => undef,
		3095	tooltip => "Shows which body parts you posess and are available",
		3096	},
		3097	"c/statistics" => {
		3098	id => "infobox",
		3099	title => "Statistics",
		3100	reply => undef,
		3101	tooltip => "Shows your primary statistics",
		3102	},
		3103	"c/skills" => {
		3104	id => "infobox",
		3105	title => "Skills",
		3106	reply => undef,
		3107	tooltip => "Shows your experience per skill and item power",
		3108	},
		3109	"c/shopitems" => {
		3110	id => "infobox",
		3111	title => "Shop Items",
		3112	reply => undef,
		3113	tooltip => "Shows the items currently for sale in this shop",
		3114	},
		3115	"c/resistances" => {
		3116	id => "infobox",
		3117	title => "Resistances",
		3118	reply => undef,
		3119	tooltip => "Shows your resistances",
		3120	},
		3121	"c/pets" => {
		3122	id => "infobox",
		3123	title => "Pets",
		3124	reply => undef,
		3125	tooltip => "Shows information abotu your pets/a specific pet",
		3126	},
		3127	"c/perceiveself" => {
		3128	id => "infobox",
		3129	title => "Perceive Self",
		3130	reply => undef,
		3131	tooltip => "You gained detailed knowledge about yourself",
		3132	},
		3133	"c/uptime" => {
		3134	id => "infobox",
		3135	title => "Uptime",
		3136	reply => undef,
		3137	tooltip => "How long the server has been running since last restart",
		3138	},
		3139	"c/mapinfo" => {
		3140	id => "infobox",
		3141	title => "Map Info",
		3142	reply => undef,
		3143	tooltip => "Information related to the maps",
		3144	},
		3145	"c/party" => {
		3146	id => "party",
		3147	title => "Party",
		3148	reply => "gsay ",
		3149	tooltip => "Messages and chat related to your party",
		3150	},
		3151	"c/death" => {
		3152	id => "death",
		3153	title => "Death",
		3154	reply => undef,
		3155	tooltip => "Reason for and more info about your most recent death",
		3156	},
		3157	"c/say" => $SAY_CHANNEL,
		3158	"c/chat" => $CHAT_CHANNEL,
2696	);	3159	);
2697		3160
2698	sub cf::client::send_msg {	3161	sub cf::client::send_msg {
2699	my ($self, $channel, $msg, $color, @extra) = @_;	3162	my ($self, $channel, $msg, $color, @extra) = @_;
2700		3163
2701	$msg = $self->pl->expand_cfpod ($msg);	3164	$msg = $self->pl->expand_cfpod ($msg)
		3165	unless $color & cf::NDI_VERBATIM;
2702		3166
2703	$color &= cf::NDI_CLIENT_MASK; # just in case...	3167	$color &= cf::NDI_CLIENT_MASK; # just in case...
2704		3168
2705	# check predefined channels, for the benefit of C	3169	# check predefined channels, for the benefit of C
2706	if ($CHANNEL{$channel}) {	3170	if ($CHANNEL{$channel}) {
2707	$channel = $CHANNEL{$channel};	3171	$channel = $CHANNEL{$channel};
2708		3172
2709	$self->ext_msg (channel_info => $channel)	3173	$self->ext_msg (channel_info => $channel);
2710	if $self->can_msg;
2711
2712	$channel = $channel->{id};	3174	$channel = $channel->{id};
2713		3175
2714	} elsif (ref $channel) {	3176	} elsif (ref $channel) {
2715	# send meta info to client, if not yet sent	3177	# send meta info to client, if not yet sent
2716	unless (exists $self->{channel}{$channel->{id}}) {	3178	unless (exists $self->{channel}{$channel->{id}}) {
2717	$self->{channel}{$channel->{id}} = $channel;	3179	$self->{channel}{$channel->{id}} = $channel;
2718	$self->ext_msg (channel_info => $channel)	3180	$self->ext_msg (channel_info => $channel);
2719	if $self->can_msg;
2720	}	3181	}
2721		3182
2722	$channel = $channel->{id};	3183	$channel = $channel->{id};
2723	}	3184	}
2724		3185
2725	return unless @extra || length $msg;	3186	return unless @extra || length $msg;
2726		3187
2727	if ($self->can_msg) {
2728	# default colour, mask it out	3188	# default colour, mask it out
2729	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3189	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2730	if $color & cf::NDI_DEF;	3190	if $color & cf::NDI_DEF;
2731		3191
2732	$self->send_packet ("msg " . $self->{json_coder}->encode (	3192	my $pkt = "msg "
		3193	. $self->{json_coder}->encode (
2733	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3194	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2734	} else {	3195	);
2735	if ($color >= 0) {
2736	# replace some tags by gcfclient-compatible ones
2737	for ($msg) {
2738	1 while
2739	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2740	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2741	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2742	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2743	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2744	}
2745		3196
2746	$color &= cf::NDI_COLOR_MASK;	3197	$self->send_big_packet ($pkt);
2747
2748	utf8::encode $msg;
2749
2750	if (0 && $msg =~ /\[/) {
2751	# COMMAND/INFO
2752	$self->send_packet ("drawextinfo $color 10 8 $msg")
2753	} else {
2754	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2755	$self->send_packet ("drawinfo $color $msg")
2756	}
2757	}
2758	}
2759	}	3198	}
2760		3199
2761	=item $client->ext_msg ($type, @msg)	3200	=item $client->ext_msg ($type, @msg)
2762		3201
2763	Sends an ext event to the client.	3202	Sends an ext event to the client.
…		…
2766		3205
2767	sub cf::client::ext_msg($$@) {	3206	sub cf::client::ext_msg($$@) {
2768	my ($self, $type, @msg) = @_;	3207	my ($self, $type, @msg) = @_;
2769		3208
2770	if ($self->extcmd == 2) {	3209	if ($self->extcmd == 2) {
2771	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3210	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2772	} elsif ($self->extcmd == 1) { # TODO: remove	3211	} elsif ($self->extcmd == 1) { # TODO: remove
2773	push @msg, msgtype => "event_$type";	3212	push @msg, msgtype => "event_$type";
2774	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3213	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2775	}	3214	}
2776	}	3215	}
2777		3216
2778	=item $client->ext_reply ($msgid, @msg)	3217	=item $client->ext_reply ($msgid, @msg)
2779		3218
…		…
2783		3222
2784	sub cf::client::ext_reply($$@) {	3223	sub cf::client::ext_reply($$@) {
2785	my ($self, $id, @msg) = @_;	3224	my ($self, $id, @msg) = @_;
2786		3225
2787	if ($self->extcmd == 2) {	3226	if ($self->extcmd == 2) {
2788	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3227	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2789	} elsif ($self->extcmd == 1) {	3228	} elsif ($self->extcmd == 1) {
2790	#TODO: version 1, remove	3229	#TODO: version 1, remove
2791	unshift @msg, msgtype => "reply", msgid => $id;	3230	unshift @msg, msgtype => "reply", msgid => $id;
2792	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3231	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2793	}	3232	}
2794	}	3233	}
2795		3234
2796	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2797		3236
…		…
2868		3307
2869	$ns->ext_reply ($reply, @reply)	3308	$ns->ext_reply ($reply, @reply)
2870	if $reply;	3309	if $reply;
2871		3310
2872	} else {	3311	} else {
2873	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3312	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2874	}	3313	}
2875		3314
2876	cf::override;	3315	cf::override;
2877	},	3316	},
2878	);	3317	);
…		…
2898		3337
2899	$coro	3338	$coro
2900	}	3339	}
2901		3340
2902	cf::client->attach (	3341	cf::client->attach (
2903	on_destroy => sub {	3342	on_client_destroy => sub {
2904	my ($ns) = @_;	3343	my ($ns) = @_;
2905		3344
2906	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3345	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2907	},	3346	},
2908	);	3347	);
…		…
2924	our $safe_hole = new Safe::Hole;	3363	our $safe_hole = new Safe::Hole;
2925		3364
2926	$SIG{FPE} = 'IGNORE';	3365	$SIG{FPE} = 'IGNORE';
2927		3366
2928	$safe->permit_only (Opcode::opset qw(	3367	$safe->permit_only (Opcode::opset qw(
2929	:base_core :base_mem :base_orig :base_math	3368	:base_core :base_mem :base_orig :base_math :base_loop
2930	grepstart grepwhile mapstart mapwhile	3369	grepstart grepwhile mapstart mapwhile
2931	sort time	3370	sort time
2932	));	3371	));
2933		3372
2934	# here we export the classes and methods available to script code	3373	# here we export the classes and methods available to script code
…		…
2937		3376
2938	The following functions and methods are available within a safe environment:	3377	The following functions and methods are available within a safe environment:
2939		3378
2940	cf::object	3379	cf::object
2941	contr pay_amount pay_player map x y force_find force_add destroy	3380	contr pay_amount pay_player map x y force_find force_add destroy
2942	insert remove name archname title slaying race decrease_ob_nr	3381	insert remove name archname title slaying race decrease split
		3382	value
2943		3383
2944	cf::object::player	3384	cf::object::player
2945	player	3385	player
2946		3386
2947	cf::player	3387	cf::player
…		…
2952		3392
2953	=cut	3393	=cut
2954		3394
2955	for (	3395	for (
2956	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3396	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2957	insert remove inv name archname title slaying race	3397	insert remove inv nrof name archname title slaying race
2958	decrease_ob_nr destroy)],	3398	decrease split destroy change_exp value msg lore send_msg)],
2959	["cf::object::player" => qw(player)],	3399	["cf::object::player" => qw(player)],
2960	["cf::player" => qw(peaceful)],	3400	["cf::player" => qw(peaceful send_msg)],
2961	["cf::map" => qw(trigger)],	3401	["cf::map" => qw(trigger)],
2962	) {	3402	) {
2963	no strict 'refs';
2964	my ($pkg, @funs) = @$_;	3403	my ($pkg, @funs) = @$_;
2965	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3404	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2966	for @funs;	3405	for @funs;
2967	}	3406	}
2968		3407
…		…
2983		3422
2984	my $qcode = $code;	3423	my $qcode = $code;
2985	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3424	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2986	$qcode =~ s/\n/\\n/g;	3425	$qcode =~ s/\n/\\n/g;
2987		3426
		3427	%vars = (_dummy => 0) unless %vars;
		3428
		3429	my @res;
2988	local $_;	3430	local $_;
2989	local @safe::cf::_safe_eval_args = values %vars;
2990		3431
2991	my $eval =	3432	my $eval =
2992	"do {\n"	3433	"do {\n"
2993	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3434	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2994	. "#line 0 \"{$qcode}\"\n"	3435	. "#line 0 \"{$qcode}\"\n"
2995	. $code	3436	. $code
2996	. "\n}"	3437	. "\n}"
2997	;	3438	;
2998		3439
		3440	if ($CFG{safe_eval}) {
2999	sub_generation_inc;	3441	sub_generation_inc;
		3442	local @safe::cf::_safe_eval_args = values %vars;
3000	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3443	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3001	sub_generation_inc;	3444	sub_generation_inc;
		3445	} else {
		3446	local @cf::_safe_eval_args = values %vars;
		3447	@res = wantarray ? eval eval : scalar eval $eval;
		3448	}
3002		3449
3003	if ($@) {	3450	if ($@) {
3004	warn "$@";	3451	warn "$@",
3005	warn "while executing safe code '$code'\n";	3452	"while executing safe code '$code'\n",
3006	warn "with arguments " . (join " ", %vars) . "\n";	3453	"with arguments " . (join " ", %vars) . "\n";
3007	}	3454	}
3008		3455
3009	wantarray ? @res : $res[0]	3456	wantarray ? @res : $res[0]
3010	}	3457	}
3011		3458
…		…
3025	=cut	3472	=cut
3026		3473
3027	sub register_script_function {	3474	sub register_script_function {
3028	my ($fun, $cb) = @_;	3475	my ($fun, $cb) = @_;
3029		3476
3030	no strict 'refs';	3477	$fun = "safe::$fun" if $CFG{safe_eval};
3031	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3478	*$fun = $safe_hole->wrap ($cb);
3032	}	3479	}
3033		3480
3034	=back	3481	=back
3035		3482
3036	=cut	3483	=cut
…		…
3045	# for this (global event?)	3492	# for this (global event?)
3046	%ext::player_env::MUSIC_FACE_CACHE = ();	3493	%ext::player_env::MUSIC_FACE_CACHE = ();
3047		3494
3048	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3495	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3049		3496
3050	warn "loading facedata from $path\n";	3497	trace "loading facedata from $path\n";
3051		3498
3052	my $facedata;	3499	my $facedata = decode_storable load_file $path;
3053	0 < aio_load $path, $facedata
3054	or die "$path: $!";
3055
3056	$facedata = Coro::Storable::thaw $facedata;
3057		3500
3058	$facedata->{version} == 2	3501	$facedata->{version} == 2
3059	or cf::cleanup "$path: version mismatch, cannot proceed.";	3502	or cf::cleanup "$path: version mismatch, cannot proceed.";
3060		3503
3061	# patch in the exptable	3504	# patch in the exptable
		3505	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3062	$facedata->{resource}{"res/exp_table"} = {	3506	$facedata->{resource}{"res/exp_table"} = {
3063	type => FT_RSRC,	3507	type => FT_RSRC,
3064	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3508	data => $exp_table,
		3509	hash => (Digest::MD5::md5 $exp_table),
3065	};	3510	};
3066	cf::cede_to_tick;	3511	cf::cede_to_tick;
3067		3512
3068	{	3513	{
3069	my $faces = $facedata->{faceinfo};	3514	my $faces = $facedata->{faceinfo};
3070		3515
3071	while (my ($face, $info) = each %$faces) {	3516	while (my ($face, $info) = each %$faces) {
3072	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3517	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3518
3073	cf::face::set_visibility $idx, $info->{visibility};	3519	cf::face::set_visibility $idx, $info->{visibility};
3074	cf::face::set_magicmap $idx, $info->{magicmap};	3520	cf::face::set_magicmap $idx, $info->{magicmap};
3075	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3521	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3076	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3522	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3523	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3077		3524
3078	cf::cede_to_tick;	3525	cf::cede_to_tick;
3079	}	3526	}
3080		3527
3081	while (my ($face, $info) = each %$faces) {	3528	while (my ($face, $info) = each %$faces) {
3082	next unless $info->{smooth};	3529	next unless $info->{smooth};
		3530
3083	my $idx = cf::face::find $face	3531	my $idx = cf::face::find $face
3084	or next;	3532	or next;
		3533
3085	if (my $smooth = cf::face::find $info->{smooth}) {	3534	if (my $smooth = cf::face::find $info->{smooth}) {
3086	cf::face::set_smooth $idx, $smooth;	3535	cf::face::set_smooth $idx, $smooth;
3087	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3536	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3088	} else {	3537	} else {
3089	warn "smooth face '$info->{smooth}' not found for face '$face'";	3538	error "smooth face '$info->{smooth}' not found for face '$face'";
3090	}	3539	}
3091		3540
3092	cf::cede_to_tick;	3541	cf::cede_to_tick;
3093	}	3542	}
3094	}	3543	}
…		…
3103		3552
3104	cf::anim::invalidate_all; # d'oh	3553	cf::anim::invalidate_all; # d'oh
3105	}	3554	}
3106		3555
3107	{	3556	{
3108	# TODO: for gcfclient pleasure, we should give resources
3109	# that gcfclient doesn't grok a >10000 face index.
3110	my $res = $facedata->{resource};	3557	my $res = $facedata->{resource};
3111		3558
3112	my $soundconf = delete $res->{"res/sound.conf"};
3113
3114	while (my ($name, $info) = each %$res) {	3559	while (my ($name, $info) = each %$res) {
		3560	if (defined $info->{type}) {
3115	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3561	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3116	my $data;
3117		3562
3118	if ($info->{type} & 1) {	3563	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3119	# prepend meta info	3564	cf::face::set_type $idx, $info->{type};
3120
3121	my $meta = $enc->encode ({
3122	name => $name,
3123	%{ $info->{meta} || {} },
3124	});
3125
3126	$data = pack "(w/a*)*", $meta, $info->{data};
3127	} else {	3565	} else {
3128	$data = $info->{data};	3566	$RESOURCE{$name} = $info; # unused
3129	}	3567	}
3130		3568
3131	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3132	cf::face::set_type $idx, $info->{type};
3133
3134	cf::cede_to_tick;	3569	cf::cede_to_tick;
3135	}	3570	}
3136
3137	if ($soundconf) {
3138	$soundconf = $enc->decode (delete $soundconf->{data});
3139
3140	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3141	my $sound = $soundconf->{compat}[$_]
3142	or next;
3143
3144	my $face = cf::face::find "sound/$sound->[1]";
3145	cf::sound::set $sound->[0] => $face;
3146	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3147	}
3148
3149	while (my ($k, $v) = each %{$soundconf->{event}}) {
3150	my $face = cf::face::find "sound/$v";
3151	cf::sound::set $k => $face;
3152	}
3153	}
3154	}	3571	}
		3572
		3573	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3155		3574
3156	1	3575	1
3157	}	3576	}
3158		3577
3159	register_exticmd fx_want => sub {	3578	register_exticmd fx_want => sub {
…		…
3161		3580
3162	while (my ($k, $v) = each %$want) {	3581	while (my ($k, $v) = each %$want) {
3163	$ns->fx_want ($k, $v);	3582	$ns->fx_want ($k, $v);
3164	}	3583	}
3165	};	3584	};
		3585
		3586	sub load_resource_file($) {
		3587	my $guard = lock_acquire "load_resource_file";
		3588
		3589	my $status = load_resource_file_ $_[0];
		3590	get_slot 0.1, 100;
		3591	cf::arch::commit_load;
		3592
		3593	$status
		3594	}
3166		3595
3167	sub reload_regions {	3596	sub reload_regions {
3168	# HACK to clear player env face cache, we need some signal framework	3597	# HACK to clear player env face cache, we need some signal framework
3169	# for this (global event?)	3598	# for this (global event?)
3170	%ext::player_env::MUSIC_FACE_CACHE = ();	3599	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3184	}	3613	}
3185		3614
3186	sub reload_archetypes {	3615	sub reload_archetypes {
3187	load_resource_file "$DATADIR/archetypes"	3616	load_resource_file "$DATADIR/archetypes"
3188	or die "unable to load archetypes\n";	3617	or die "unable to load archetypes\n";
3189	#d# NEED to laod twice to resolve forward references
3190	# this really needs to be done in an extra post-pass
3191	# (which needs to be synchronous, so solve it differently)
3192	load_resource_file "$DATADIR/archetypes"
3193	or die "unable to load archetypes\n";
3194	}	3618	}
3195		3619
3196	sub reload_treasures {	3620	sub reload_treasures {
3197	load_resource_file "$DATADIR/treasures"	3621	load_resource_file "$DATADIR/treasures"
3198	or die "unable to load treasurelists\n";	3622	or die "unable to load treasurelists\n";
3199	}	3623	}
3200		3624
		3625	sub reload_sound {
		3626	trace "loading sound config from $DATADIR/sound\n";
		3627
		3628	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3629
		3630	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3631	my $sound = $soundconf->{compat}[$_]
		3632	or next;
		3633
		3634	my $face = cf::face::find "sound/$sound->[1]";
		3635	cf::sound::set $sound->[0] => $face;
		3636	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3637	}
		3638
		3639	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3640	my $face = cf::face::find "sound/$v";
		3641	cf::sound::set $k => $face;
		3642	}
		3643	}
		3644
3201	sub reload_resources {	3645	sub reload_resources {
3202	warn "reloading resource files...\n";	3646	trace "reloading resource files...\n";
3203		3647
		3648	reload_exp_table;
		3649	reload_materials;
		3650	reload_facedata;
		3651	reload_sound;
		3652	reload_archetypes;
3204	reload_regions;	3653	reload_regions;
3205	reload_facedata;
3206	#reload_archetypes;#d#
3207	reload_archetypes;
3208	reload_treasures;	3654	reload_treasures;
3209		3655
3210	warn "finished reloading resource files\n";	3656	trace "finished reloading resource files\n";
3211	}
3212
3213	sub init {
3214	reload_resources;
3215	}	3657	}
3216		3658
3217	sub reload_config {	3659	sub reload_config {
3218	open my $fh, "<:utf8", "$CONFDIR/config"	3660	trace "reloading config file...\n";
3219	or return;
3220		3661
3221	local $/;	3662	my $config = load_file "$CONFDIR/config";
3222	*CFG = YAML::Syck::Load <$fh>;	3663	utf8::decode $config;
		3664	*CFG = decode_yaml $config;
3223		3665
3224	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3666	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3225		3667
3226	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3668	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3227	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3669	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3228		3670
3229	if (exists $CFG{mlockall}) {	3671	if (exists $CFG{mlockall}) {
…		…
3233	};	3675	};
3234	warn $@ if $@;	3676	warn $@ if $@;
3235	}	3677	}
3236	}	3678	}
3237		3679
		3680	sub pidfile() {
		3681	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3682	or die "$PIDFILE: $!";
		3683	flock $fh, &Fcntl::LOCK_EX
		3684	or die "$PIDFILE: flock: $!";
		3685	$fh
		3686	}
		3687
		3688	# make sure only one server instance is running at any one time
		3689	sub atomic {
		3690	my $fh = pidfile;
		3691
		3692	my $pid = <$fh>;
		3693	kill 9, $pid if $pid > 0;
		3694
		3695	seek $fh, 0, 0;
		3696	print $fh $$;
		3697	}
		3698
		3699	sub main_loop {
		3700	trace "EV::loop starting\n";
		3701	if (1) {
		3702	EV::loop;
		3703	}
		3704	trace "EV::loop returned\n";
		3705	goto &main_loop unless $REALLY_UNLOOP;
		3706	}
		3707
3238	sub main {	3708	sub main {
		3709	cf::init_globals; # initialise logging
		3710
		3711	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3712	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3713	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3714	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3715
		3716	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3717
3239	# we must not ever block the main coroutine	3718	# we must not ever block the main coroutine
3240	local $Coro::idle = sub {	3719	local $Coro::idle = sub {
3241	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3720	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3242	(async {	3721	(async {
3243	$Coro::current->{desc} = "IDLE BUG HANDLER";	3722	$Coro::current->{desc} = "IDLE BUG HANDLER";
3244	Event::one_event;	3723	EV::loop EV::LOOP_ONESHOT;
3245	})->prio (Coro::PRIO_MAX);	3724	})->prio (Coro::PRIO_MAX);
3246	};	3725	};
3247		3726
		3727	evthread_start IO::AIO::poll_fileno;
		3728
		3729	cf::sync_job {
		3730	cf::incloader::init ();
		3731
		3732	cf::init_anim;
		3733	cf::init_attackmess;
		3734	cf::init_dynamic;
		3735
		3736	cf::load_settings;
		3737
		3738	reload_resources;
3248	reload_config;	3739	reload_config;
3249	db_init;	3740	db_init;
		3741
		3742	cf::init_uuid;
		3743	cf::init_signals;
		3744	cf::init_skills;
		3745
		3746	cf::init_beforeplay;
		3747
		3748	atomic;
		3749
3250	load_extensions;	3750	load_extensions;
3251		3751
3252	$TICK_WATCHER->start;	3752	utime time, time, $RUNTIMEFILE;
3253	Event::loop;	3753
		3754	# no (long-running) fork's whatsoever before this point(!)
		3755	use POSIX ();
		3756	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3757
		3758	cf::_post_init 0;
		3759	};
		3760
		3761	cf::object::thawer::errors_are_fatal 0;
		3762	info "parse errors in files are no longer fatal from this point on.\n";
		3763
		3764	my $free_main; $free_main = EV::idle sub {
		3765	undef $free_main;
		3766	undef &main; # free gobs of memory :)
		3767	};
		3768
		3769	goto &main_loop;
3254	}	3770	}
3255		3771
3256	#############################################################################	3772	#############################################################################
3257	# initialisation and cleanup	3773	# initialisation and cleanup
3258		3774
3259	# install some emergency cleanup handlers	3775	# install some emergency cleanup handlers
3260	BEGIN {	3776	BEGIN {
		3777	our %SIGWATCHER = ();
3261	for my $signal (qw(INT HUP TERM)) {	3778	for my $signal (qw(INT HUP TERM)) {
3262	Event->signal (	3779	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3263	reentrant => 0,
3264	data => WF_AUTOCANCEL,
3265	signal => $signal,
3266	prio => 0,
3267	cb => sub {
3268	cf::cleanup "SIG$signal";	3780	cf::cleanup "SIG$signal";
3269	},
3270	);	3781	};
3271	}	3782	}
3272	}	3783	}
3273		3784
3274	sub write_runtime {	3785	sub write_runtime_sync {
3275	my $runtime = "$LOCALDIR/runtime";	3786	my $t0 = AE::time;
3276		3787
3277	# first touch the runtime file to show we are still running:	3788	# first touch the runtime file to show we are still running:
3278	# the fsync below can take a very very long time.	3789	# the fsync below can take a very very long time.
3279		3790
3280	IO::AIO::aio_utime $runtime, undef, undef;	3791	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3281		3792
3282	my $guard = cf::lock_acquire "write_runtime";	3793	my $guard = cf::lock_acquire "write_runtime";
3283		3794
3284	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3795	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3285	or return;	3796	or return;
3286		3797
3287	my $value = $cf::RUNTIME + 90 + 10;	3798	my $value = $cf::RUNTIME + 90 + 10;
3288	# 10 is the runtime save interval, for a monotonic clock	3799	# 10 is the runtime save interval, for a monotonic clock
3289	# 60 allows for the watchdog to kill the server.	3800	# 60 allows for the watchdog to kill the server.
…		…
3299	aio_utime $fh, undef, undef;	3810	aio_utime $fh, undef, undef;
3300		3811
3301	close $fh	3812	close $fh
3302	or return;	3813	or return;
3303		3814
3304	aio_rename "$runtime~", $runtime	3815	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3305	and return;	3816	and return;
3306		3817
3307	warn "runtime file written.\n";	3818	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3308		3819
3309	1	3820	1
		3821	}
		3822
		3823	our $uuid_lock;
		3824	our $uuid_skip;
		3825
		3826	sub write_uuid_sync($) {
		3827	$uuid_skip ||= $_[0];
		3828
		3829	return if $uuid_lock;
		3830	local $uuid_lock = 1;
		3831
		3832	my $uuid = "$LOCALDIR/uuid";
		3833
		3834	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3835	or return;
		3836
		3837	my $value = uuid_seq uuid_cur;
		3838
		3839	unless ($value) {
		3840	info "cowardly refusing to write zero uuid value!\n";
		3841	return;
		3842	}
		3843
		3844	my $value = uuid_str $value + $uuid_skip;
		3845	$uuid_skip = 0;
		3846
		3847	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3848	and return;
		3849
		3850	# always fsync - this file is important
		3851	aio_fsync $fh
		3852	and return;
		3853
		3854	close $fh
		3855	or return;
		3856
		3857	aio_rename "$uuid~", $uuid
		3858	and return;
		3859
		3860	trace "uuid file written ($value).\n";
		3861
		3862	1
		3863
		3864	}
		3865
		3866	sub write_uuid($$) {
		3867	my ($skip, $sync) = @_;
		3868
		3869	$sync ? write_uuid_sync $skip
		3870	: async { write_uuid_sync $skip };
3310	}	3871	}
3311		3872
3312	sub emergency_save() {	3873	sub emergency_save() {
3313	my $freeze_guard = cf::freeze_mainloop;	3874	my $freeze_guard = cf::freeze_mainloop;
3314		3875
3315	warn "enter emergency perl save\n";	3876	info "emergency_perl_save: enter\n";
		3877
		3878	# this is a trade-off: we want to be very quick here, so
		3879	# save all maps without fsync, and later call a global sync
		3880	# (which in turn might be very very slow)
		3881	local $USE_FSYNC = 0;
3316		3882
3317	cf::sync_job {	3883	cf::sync_job {
		3884	cf::write_runtime_sync; # external watchdog should not bark
		3885
3318	# use a peculiar iteration method to avoid tripping on perl	3886	# use a peculiar iteration method to avoid tripping on perl
3319	# refcount bugs in for. also avoids problems with players	3887	# refcount bugs in for. also avoids problems with players
3320	# and maps saved/destroyed asynchronously.	3888	# and maps saved/destroyed asynchronously.
3321	warn "begin emergency player save\n";	3889	info "emergency_perl_save: begin player save\n";
3322	for my $login (keys %cf::PLAYER) {	3890	for my $login (keys %cf::PLAYER) {
3323	my $pl = $cf::PLAYER{$login} or next;	3891	my $pl = $cf::PLAYER{$login} or next;
3324	$pl->valid or next;	3892	$pl->valid or next;
3325	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3893	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3326	$pl->save;	3894	$pl->save;
3327	}	3895	}
3328	warn "end emergency player save\n";	3896	info "emergency_perl_save: end player save\n";
3329		3897
3330	warn "begin emergency map save\n";	3898	cf::write_runtime_sync; # external watchdog should not bark
		3899
		3900	info "emergency_perl_save: begin map save\n";
3331	for my $path (keys %cf::MAP) {	3901	for my $path (keys %cf::MAP) {
3332	my $map = $cf::MAP{$path} or next;	3902	my $map = $cf::MAP{$path} or next;
3333	$map->valid or next;	3903	$map->valid or next;
3334	$map->save;	3904	$map->save;
3335	}	3905	}
3336	warn "end emergency map save\n";	3906	info "emergency_perl_save: end map save\n";
3337		3907
3338	warn "begin emergency database checkpoint\n";	3908	cf::write_runtime_sync; # external watchdog should not bark
		3909
		3910	info "emergency_perl_save: begin database checkpoint\n";
3339	BDB::db_env_txn_checkpoint $DB_ENV;	3911	BDB::db_env_txn_checkpoint $DB_ENV;
3340	warn "end emergency database checkpoint\n";	3912	info "emergency_perl_save: end database checkpoint\n";
		3913
		3914	info "emergency_perl_save: begin write uuid\n";
		3915	write_uuid_sync 1;
		3916	info "emergency_perl_save: end write uuid\n";
		3917
		3918	cf::write_runtime_sync; # external watchdog should not bark
		3919
		3920	trace "emergency_perl_save: syncing database to disk";
		3921	BDB::db_env_txn_checkpoint $DB_ENV;
		3922
		3923	info "emergency_perl_save: starting sync\n";
		3924	IO::AIO::aio_sync sub {
		3925	info "emergency_perl_save: finished sync\n";
		3926	};
		3927
		3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	trace "emergency_perl_save: flushing outstanding aio requests";
		3931	while (IO::AIO::nreqs || BDB::nreqs) {
		3932	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3933	}
		3934
		3935	cf::write_runtime_sync; # external watchdog should not bark
3341	};	3936	};
3342		3937
3343	warn "leave emergency perl save\n";	3938	info "emergency_perl_save: leave\n";
3344	}	3939	}
3345		3940
3346	sub post_cleanup {	3941	sub post_cleanup {
3347	my ($make_core) = @_;	3942	my ($make_core) = @_;
3348		3943
		3944	IO::AIO::flush;
		3945
3349	warn Carp::longmess "post_cleanup backtrace"	3946	error Carp::longmess "post_cleanup backtrace"
3350	if $make_core;	3947	if $make_core;
		3948
		3949	my $fh = pidfile;
		3950	unlink $PIDFILE if <$fh> == $$;
		3951	}
		3952
		3953	# a safer delete_package, copied from Symbol
		3954	sub clear_package($) {
		3955	my $pkg = shift;
		3956
		3957	# expand to full symbol table name if needed
		3958	unless ($pkg =~ /^main::.*::$/) {
		3959	$pkg = "main$pkg" if $pkg =~ /^::/;
		3960	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3961	$pkg .= '::' unless $pkg =~ /::$/;
		3962	}
		3963
		3964	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3965	my $stem_symtab = *{$stem}{HASH};
		3966
		3967	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3968	or return;
		3969
		3970	# clear all symbols
		3971	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3972	for my $name (keys %$leaf_symtab) {
		3973	_gv_clear *{"$pkg$name"};
		3974	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3975	}
3351	}	3976	}
3352		3977
3353	sub do_reload_perl() {	3978	sub do_reload_perl() {
3354	# can/must only be called in main	3979	# can/must only be called in main
3355	if ($Coro::current != $Coro::main) {	3980	unless (in_main) {
3356	warn "can only reload from main coroutine";	3981	error "can only reload from main coroutine";
3357	return;	3982	return;
3358	}	3983	}
3359		3984
3360	warn "reloading...";	3985	return if $RELOAD++;
3361		3986
3362	warn "entering sync_job";	3987	my $t1 = AE::time;
3363		3988
		3989	while ($RELOAD) {
		3990	cf::get_slot 0.1, -1, "reload_perl";
		3991	info "perl_reload: reloading...";
		3992
		3993	trace "perl_reload: entering sync_job";
		3994
3364	cf::sync_job {	3995	cf::sync_job {
3365	cf::write_runtime; # external watchdog should not bark
3366	cf::emergency_save;	3996	#cf::emergency_save;
3367	cf::write_runtime; # external watchdog should not bark
3368		3997
3369	warn "syncing database to disk";
3370	BDB::db_env_txn_checkpoint $DB_ENV;
3371
3372	# if anything goes wrong in here, we should simply crash as we already saved
3373
3374	warn "cancelling all WF_AUTOCANCEL watchers";
3375	for (Event::all_watchers) {
3376	$_->cancel if $_->data & WF_AUTOCANCEL;
3377	}
3378
3379	warn "flushing outstanding aio requests";
3380	for (;;) {
3381	BDB::flush;
3382	IO::AIO::flush;
3383	Coro::cede_notself;
3384	last unless IO::AIO::nreqs || BDB::nreqs;
3385	warn "iterate...";
3386	}
3387
3388	++$RELOAD;
3389
3390	warn "cancelling all extension coros";	3998	trace "perl_reload: cancelling all extension coros";
3391	$_->cancel for values %EXT_CORO;	3999	$_->cancel for values %EXT_CORO;
3392	%EXT_CORO = ();	4000	%EXT_CORO = ();
3393		4001
3394	warn "removing commands";	4002	trace "perl_reload: removing commands";
3395	%COMMAND = ();	4003	%COMMAND = ();
3396		4004
3397	warn "removing ext/exti commands";	4005	trace "perl_reload: removing ext/exti commands";
3398	%EXTCMD = ();	4006	%EXTCMD = ();
3399	%EXTICMD = ();	4007	%EXTICMD = ();
3400		4008
3401	warn "unloading/nuking all extensions";	4009	trace "perl_reload: unloading/nuking all extensions";
3402	for my $pkg (@EXTS) {	4010	for my $pkg (@EXTS) {
3403	warn "... unloading $pkg";	4011	trace "... unloading $pkg";
3404		4012
3405	if (my $cb = $pkg->can ("unload")) {	4013	if (my $cb = $pkg->can ("unload")) {
3406	eval {	4014	eval {
3407	$cb->($pkg);	4015	$cb->($pkg);
3408	1	4016	1
3409	} or warn "$pkg unloaded, but with errors: $@";	4017	} or error "$pkg unloaded, but with errors: $@";
		4018	}
		4019
		4020	trace "... clearing $pkg";
		4021	clear_package $pkg;
3410	}	4022	}
3411		4023
3412	warn "... nuking $pkg";
3413	Symbol::delete_package $pkg;
3414	}
3415
3416	warn "unloading all perl modules loaded from $LIBDIR";	4024	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3417	while (my ($k, $v) = each %INC) {	4025	while (my ($k, $v) = each %INC) {
3418	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4026	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3419		4027
3420	warn "... unloading $k";	4028	trace "... unloading $k";
3421	delete $INC{$k};	4029	delete $INC{$k};
3422		4030
3423	$k =~ s/\.pm$//;	4031	$k =~ s/\.pm$//;
3424	$k =~ s/\//::/g;	4032	$k =~ s/\//::/g;
3425		4033
3426	if (my $cb = $k->can ("unload_module")) {	4034	if (my $cb = $k->can ("unload_module")) {
3427	$cb->();	4035	$cb->();
		4036	}
		4037
		4038	clear_package $k;
3428	}	4039	}
3429		4040
3430	Symbol::delete_package $k;
3431	}
3432
3433	warn "getting rid of safe::, as good as possible";	4041	trace "perl_reload: getting rid of safe::, as good as possible";
3434	Symbol::delete_package "safe::$_"	4042	clear_package "safe::$_"
3435	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4043	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3436		4044
3437	warn "unloading cf.pm \"a bit\"";	4045	trace "perl_reload: unloading cf.pm \"a bit\"";
3438	delete $INC{"cf.pm"};	4046	delete $INC{"cf.pm"};
3439	delete $INC{"cf/pod.pm"};	4047	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3440		4048
3441	# don't, removes xs symbols, too,	4049	# don't, removes xs symbols, too,
3442	# and global variables created in xs	4050	# and global variables created in xs
3443	#Symbol::delete_package __PACKAGE__;	4051	#clear_package __PACKAGE__;
3444		4052
3445	warn "unload completed, starting to reload now";	4053	info "perl_reload: unload completed, starting to reload now";
3446		4054
3447	warn "reloading cf.pm";	4055	trace "perl_reload: reloading cf.pm";
3448	require cf;	4056	require cf;
3449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4057	cf::_connect_to_perl_1;
3450		4058
3451	warn "loading config and database again";	4059	trace "perl_reload: loading config and database again";
3452	cf::reload_config;	4060	cf::reload_config;
3453		4061
3454	warn "loading extensions";	4062	trace "perl_reload: loading extensions";
3455	cf::load_extensions;	4063	cf::load_extensions;
3456		4064
		4065	if ($REATTACH_ON_RELOAD) {
3457	warn "reattaching attachments to objects/players";	4066	trace "perl_reload: reattaching attachments to objects/players";
3458	_global_reattach; # objects, sockets	4067	_global_reattach; # objects, sockets
3459	warn "reattaching attachments to maps";	4068	trace "perl_reload: reattaching attachments to maps";
3460	reattach $_ for values %MAP;	4069	reattach $_ for values %MAP;
3461	warn "reattaching attachments to players";	4070	trace "perl_reload: reattaching attachments to players";
3462	reattach $_ for values %PLAYER;	4071	reattach $_ for values %PLAYER;
		4072	}
3463		4073
3464	warn "leaving sync_job";	4074	cf::_post_init 1;
3465		4075
		4076	trace "perl_reload: leaving sync_job";
		4077
3466	1	4078	1
3467	} or do {	4079	} or do {
3468	warn $@;	4080	error $@;
3469	warn "error while reloading, exiting.";	4081	cf::cleanup "perl_reload: error, exiting.";
3470	exit 1;	4082	};
		4083
		4084	--$RELOAD;
3471	};	4085	}
3472		4086
3473	warn "reloaded";	4087	$t1 = AE::time - $t1;
		4088	info "perl_reload: completed in ${t1}s\n";
3474	};	4089	};
3475		4090
3476	our $RELOAD_WATCHER; # used only during reload	4091	our $RELOAD_WATCHER; # used only during reload
3477		4092
3478	sub reload_perl() {	4093	sub reload_perl() {
3479	# doing reload synchronously and two reloads happen back-to-back,	4094	# doing reload synchronously and two reloads happen back-to-back,
3480	# coro crashes during coro_state_free->destroy here.	4095	# coro crashes during coro_state_free->destroy here.
3481		4096
3482	$RELOAD_WATCHER ||= Event->timer (	4097	$RELOAD_WATCHER ||= cf::async {
3483	reentrant => 0,	4098	Coro::AIO::aio_wait cache_extensions;
3484	after => 0,	4099
3485	data => WF_AUTOCANCEL,	4100	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3486	cb => sub {
3487	do_reload_perl;	4101	do_reload_perl;
3488	undef $RELOAD_WATCHER;	4102	undef $RELOAD_WATCHER;
3489	},	4103	};
3490	);	4104	};
3491	}	4105	}
3492		4106
3493	register_command "reload" => sub {	4107	register_command "reload" => sub {
3494	my ($who, $arg) = @_;	4108	my ($who, $arg) = @_;
3495		4109
…		…
3500	reload_perl;	4114	reload_perl;
3501	};	4115	};
3502	}	4116	}
3503	};	4117	};
3504		4118
3505	unshift @INC, $LIBDIR;	4119	#############################################################################
3506		4120
3507	my $bug_warning = 0;	4121	my $bug_warning = 0;
3508		4122
3509	our @WAIT_FOR_TICK;
3510	our @WAIT_FOR_TICK_BEGIN;
3511
3512	sub wait_for_tick {	4123	sub wait_for_tick() {
3513	return unless $TICK_WATCHER->is_active;	4124	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3514	return if $Coro::current == $Coro::main;
3515		4125
3516	my $signal = new Coro::Signal;	4126	$WAIT_FOR_TICK->wait;
3517	push @WAIT_FOR_TICK, $signal;
3518	$signal->wait;
3519	}	4127	}
3520		4128
3521	sub wait_for_tick_begin {	4129	sub wait_for_tick_begin() {
3522	return unless $TICK_WATCHER->is_active;	4130	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3523	return if $Coro::current == $Coro::main;
3524		4131
3525	my $signal = new Coro::Signal;	4132	my $signal = new Coro::Signal;
3526	push @WAIT_FOR_TICK_BEGIN, $signal;	4133	push @WAIT_FOR_TICK_BEGIN, $signal;
3527	$signal->wait;	4134	$signal->wait;
3528	}	4135	}
3529		4136
3530	$TICK_WATCHER = Event->timer (	4137	sub tick {
3531	reentrant => 0,
3532	parked => 1,
3533	prio => 0,
3534	at => $NEXT_TICK || $TICK,
3535	data => WF_AUTOCANCEL,
3536	cb => sub {
3537	if ($Coro::current != $Coro::main) {	4138	if ($Coro::current != $Coro::main) {
3538	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4139	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3539	unless ++$bug_warning > 10;	4140	unless ++$bug_warning > 10;
3540	return;	4141	return;
3541	}	4142	}
3542		4143
3543	$NOW = $tick_start = Event::time;	4144	cf::one_tick; # one server iteration
3544		4145
3545	cf::server_tick; # one server iteration	4146	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3546		4147
3547	$RUNTIME += $TICK;
3548	$NEXT_TICK += $TICK;
3549
3550	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4148	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3551	$NEXT_RUNTIME_WRITE = $NOW + 10;	4149	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3552	Coro::async_pool {	4150	Coro::async_pool {
3553	$Coro::current->{desc} = "runtime saver";	4151	$Coro::current->{desc} = "runtime saver";
3554	write_runtime	4152	write_runtime_sync
3555	or warn "ERROR: unable to write runtime file: $!";	4153	or error "ERROR: unable to write runtime file: $!";
3556	};
3557	}	4154	};
		4155	}
3558		4156
3559	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3560	$sig->send;	4158	$sig->send;
3561	}	4159	}
3562	while (my $sig = shift @WAIT_FOR_TICK) {	4160	$WAIT_FOR_TICK->broadcast;
3563	$sig->send;
3564	}
3565		4161
3566	$NOW = Event::time;	4162	$LOAD = ($NOW - $TICK_START) / $TICK;
3567
3568	# if we are delayed by four ticks or more, skip them all
3569	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3570
3571	$TICK_WATCHER->at ($NEXT_TICK);
3572	$TICK_WATCHER->start;
3573
3574	$LOAD = ($NOW - $tick_start) / $TICK;
3575	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4163	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3576		4164
3577	_post_tick;	4165	if (0) {
		4166	if ($NEXT_TICK) {
		4167	my $jitter = $TICK_START - $NEXT_TICK;
		4168	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4169	debug "jitter $JITTER\n";#d#
		4170	}
3578	},	4171	}
3579	);	4172	}
3580		4173
3581	{	4174	{
		4175	# configure BDB
		4176
3582	BDB::min_parallel 8;	4177	BDB::min_parallel 16;
3583	BDB::max_poll_time $TICK * 0.1;	4178	BDB::max_poll_reqs $TICK * 0.1;
3584	$BDB_POLL_WATCHER = Event->io (	4179	$AnyEvent::BDB::WATCHER->priority (1);
3585	reentrant => 0,
3586	fd => BDB::poll_fileno,
3587	poll => 'r',
3588	prio => 0,
3589	data => WF_AUTOCANCEL,
3590	cb => \&BDB::poll_cb,
3591	);
3592
3593	BDB::set_sync_prepare {
3594	my $status;
3595	my $current = $Coro::current;
3596	(
3597	sub {
3598	$status = $!;
3599	$current->ready; undef $current;
3600	},
3601	sub {
3602	Coro::schedule while defined $current;
3603	$! = $status;
3604	},
3605	)
3606	};
3607		4180
3608	unless ($DB_ENV) {	4181	unless ($DB_ENV) {
3609	$DB_ENV = BDB::db_env_create;	4182	$DB_ENV = BDB::db_env_create;
3610	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4183	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3611	| BDB::LOG_AUTOREMOVE, 1);	4184	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4185	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3612	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4186	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3613	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4187	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3614		4188
3615	cf::sync_job {	4189	cf::sync_job {
3616	eval {	4190	eval {
…		…
3626		4200
3627	cf::cleanup "db_env_open(db): $@" if $@;	4201	cf::cleanup "db_env_open(db): $@" if $@;
3628	};	4202	};
3629	}	4203	}
3630		4204
3631	$BDB_DEADLOCK_WATCHER = Event->timer (	4205	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3632	after => 3,
3633	interval => 1,
3634	hard => 1,
3635	prio => 0,
3636	data => WF_AUTOCANCEL,
3637	cb => sub {
3638	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4206	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3639	},
3640	);	4207	};
3641	$BDB_CHECKPOINT_WATCHER = Event->timer (	4208	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3642	after => 11,
3643	interval => 60,
3644	hard => 1,
3645	prio => 0,
3646	data => WF_AUTOCANCEL,
3647	cb => sub {
3648	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4209	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3649	},
3650	);	4210	};
3651	$BDB_TRICKLE_WATCHER = Event->timer (	4211	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3652	after => 5,
3653	interval => 10,
3654	hard => 1,
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => sub {
3658	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4212	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3659	},
3660	);	4213	};
3661	}	4214	}
3662		4215
3663	{	4216	{
		4217	# configure IO::AIO
		4218
3664	IO::AIO::min_parallel 8;	4219	IO::AIO::min_parallel 8;
3665
3666	undef $Coro::AIO::WATCHER;
3667	IO::AIO::max_poll_time $TICK * 0.1;	4220	IO::AIO::max_poll_time $TICK * 0.1;
3668	$AIO_POLL_WATCHER = Event->io (	4221	undef $AnyEvent::AIO::WATCHER;
3669	reentrant => 0,
3670	data => WF_AUTOCANCEL,
3671	fd => IO::AIO::poll_fileno,
3672	poll => 'r',
3673	prio => 0,
3674	cb => \&IO::AIO::poll_cb,
3675	);
3676	}	4222	}
3677		4223
3678	my $_log_backtrace;	4224	our $_log_backtrace;
		4225	our $_log_backtrace_last;
3679		4226
3680	sub _log_backtrace {	4227	sub _log_backtrace {
3681	my ($msg, @addr) = @_;	4228	my ($msg, @addr) = @_;
3682		4229
3683	$msg =~ s/\n//;	4230	$msg =~ s/\n$//;
3684		4231
		4232	if ($_log_backtrace_last eq $msg) {
		4233	LOG llevInfo, "[ABT] $msg\n";
		4234	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3685	# limit the # of concurrent backtraces	4235	# limit the # of concurrent backtraces
3686	if ($_log_backtrace < 2) {	4236	} elsif ($_log_backtrace < 2) {
		4237	$_log_backtrace_last = $msg;
3687	++$_log_backtrace;	4238	++$_log_backtrace;
		4239	my $perl_bt = Carp::longmess $msg;
3688	async {	4240	async {
3689	$Coro::current->{desc} = "abt $msg";	4241	$Coro::current->{desc} = "abt $msg";
3690		4242
3691	my @bt = fork_call {	4243	my @bt = fork_call {
3692	@addr = map { sprintf "%x", $_ } @addr;	4244	@addr = map { sprintf "%x", $_ } @addr;
…		…
3703	}	4255	}
3704		4256
3705	@funcs	4257	@funcs
3706	};	4258	};
3707		4259
3708	LOG llevInfo, "[ABT] $msg\n";	4260	LOG llevInfo, "[ABT] $perl_bt\n";
		4261	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3709	LOG llevInfo, "[ABT] $_\n" for @bt;	4262	LOG llevInfo, "[ABT] $_\n" for @bt;
3710	--$_log_backtrace;	4263	--$_log_backtrace;
3711	};	4264	};
3712	} else {	4265	} else {
3713	LOG llevInfo, "[ABT] $msg\n";	4266	LOG llevInfo, "[ABT] $msg\n";
3714	LOG llevInfo, "[ABT] [suppressed]\n";	4267	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3715	}	4268	}
3716	}	4269	}
3717		4270
3718	# load additional modules	4271	# load additional modules
3719	use cf::pod;	4272	require "cf/$_.pm" for @EXTRA_MODULES;
		4273	cf::_connect_to_perl_2;
3720		4274
3721	END { cf::emergency_save }	4275	END { cf::emergency_save }
3722		4276
3723	1	4277	1
3724		4278

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