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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.390 by root, Thu Oct 25 09:01:24 2007 UTC vs.
Revision 1.575 by root, Sat Aug 13 20:20:30 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)
…		…
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;
1999	cf::cede_to_tick;	2244	cf::cede_to_tick;
2000	$self->set_darkness_map;	2245	#$self->activate; # no longer activate maps automatically
2001	cf::cede_to_tick;
2002	$self->activate;
2003	}	2246	}
2004		2247
2005	$self->{last_save} = $cf::RUNTIME;	2248	$self->{last_save} = $cf::RUNTIME;
2006	$self->last_access ($cf::RUNTIME);	2249	$self->last_access ($cf::RUNTIME);
2007
2008	$self->in_memory (cf::MAP_IN_MEMORY);
2009	}	2250	}
2010		2251
2011	$self->post_load;	2252	$self->post_load;
2012	}
2013		2253
		2254	1
		2255	}
		2256
		2257	# customize the map for a given player, i.e.
		2258	# return the _real_ map. used by e.g. per-player
		2259	# maps to change the path to ~playername/mappath
2014	sub customise_for {	2260	sub customise_for {
2015	my ($self, $ob) = @_;	2261	my ($self, $ob) = @_;
2016		2262
2017	return find "~" . $ob->name . "/" . $self->{path}	2263	return find "~" . $ob->name . "/" . $self->{path}
2018	if $self->per_player;	2264	if $self->per_player;
…		…
2021	# if $self->per_party;	2267	# if $self->per_party;
2022		2268
2023	$self	2269	$self
2024	}	2270	}
2025		2271
2026	# find and load all maps in the 3x3 area around a map
2027	sub load_neighbours {
2028	my ($map) = @_;
2029
2030	my @neigh; # diagonal neighbours
2031
2032	for (0 .. 3) {
2033	my $neigh = $map->tile_path ($_)
2034	or next;
2035	$neigh = find $neigh, $map
2036	or next;
2037	$neigh->load;
2038
2039	push @neigh,
2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2042	}
2043
2044	for (grep defined $_->[0], @neigh) {
2045	my ($path, $origin) = @$_;
2046	my $neigh = find $path, $origin
2047	or next;
2048	$neigh->load;
2049	}
2050	}
2051
2052	sub find_sync {	2272	sub find_sync {
2053	my ($path, $origin) = @_;	2273	my ($path, $origin) = @_;
2054		2274
2055	cf::sync_job { find $path, $origin }	2275	# it's a bug to call this from the main context
		2276	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2277	if $Coro::current == $Coro::main;
		2278
		2279	find $path, $origin
2056	}	2280	}
2057		2281
2058	sub do_load_sync {	2282	sub do_load_sync {
2059	my ($map) = @_;	2283	my ($map) = @_;
2060		2284
		2285	# it's a bug to call this from the main context
2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2286	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2062	if $Coro::current == $Coro::main;	2287	if $Coro::current == $Coro::main;
2063		2288
2064	cf::sync_job { $map->load };	2289	$map->load;
2065	}	2290	}
2066		2291
2067	our %MAP_PREFETCH;	2292	our %MAP_PREFETCH;
2068	our $MAP_PREFETCHER = undef;	2293	our $MAP_PREFETCHER = undef;
2069		2294
2070	sub find_async {	2295	sub find_async {
2071	my ($path, $origin, $load) = @_;	2296	my ($path, $origin, $load) = @_;
2072		2297
2073	$path = normalise $path, $origin && $origin->{path};	2298	$path = normalise $path, $origin;
2074		2299
2075	if (my $map = $cf::MAP{$path}) {	2300	if (my $map = $cf::MAP{$path}) {
2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2301	return $map if !$load || $map->linkable;
2077	}	2302	}
2078		2303
2079	$MAP_PREFETCH{$path} |= $load;	2304	$MAP_PREFETCH{$path} |= $load;
2080		2305
2081	$MAP_PREFETCHER ||= cf::async {	2306	$MAP_PREFETCHER ||= cf::async {
…		…
2095	$MAP_PREFETCHER->prio (6);	2320	$MAP_PREFETCHER->prio (6);
2096		2321
2097	()	2322	()
2098	}	2323	}
2099		2324
		2325	# common code, used by both ->save and ->swapout
2100	sub save {	2326	sub _save {
2101	my ($self) = @_;	2327	my ($self) = @_;
2102
2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
2104		2328
2105	$self->{last_save} = $cf::RUNTIME;	2329	$self->{last_save} = $cf::RUNTIME;
2106		2330
2107	return unless $self->dirty;	2331	return unless $self->dirty;
2108		2332
…		…
2117		2341
2118	cf::async {	2342	cf::async {
2119	$Coro::current->{desc} = "map player save";	2343	$Coro::current->{desc} = "map player save";
2120	$_->contr->save for $self->players;	2344	$_->contr->save for $self->players;
2121	};	2345	};
		2346
		2347	cf::get_slot 0.02;
2122		2348
2123	if ($uniq) {	2349	if ($uniq) {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2125	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2351	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2126	} else {	2352	} else {
2127	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2353	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2128	}	2354	}
2129	}	2355	}
2130		2356
		2357	sub save {
		2358	my ($self) = @_;
		2359
		2360	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2361
		2362	$self->_save;
		2363	}
		2364
2131	sub swap_out {	2365	sub swap_out {
2132	my ($self) = @_;	2366	my ($self) = @_;
2133		2367
2134	# save first because save cedes
2135	$self->save;
2136
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";	2368	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138		2369
		2370	return if !$self->linkable;
		2371	return if $self->{deny_save};
2139	return if $self->players;	2372	return if $self->players;
2140	return if $self->in_memory != cf::MAP_IN_MEMORY;	2373
		2374	# first deactivate the map and "unlink" it from the core
		2375	$self->deactivate;
		2376	$_->clear_links_to ($self) for values %cf::MAP;
		2377	$self->state (cf::MAP_SWAPPED);
		2378
		2379	# then atomically save
		2380	$self->_save;
		2381
		2382	# then free the map
		2383	$self->clear;
		2384	}
		2385
		2386	sub reset_at {
		2387	my ($self) = @_;
		2388
		2389	# TODO: safety, remove and allow resettable per-player maps
2141	return if $self->{deny_save};	2390	return 1e99 if $self->{deny_reset};
2142		2391
		2392	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2393	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2394
		2395	$time + $to
		2396	}
		2397
		2398	sub should_reset {
		2399	my ($self) = @_;
		2400
		2401	$self->reset_at <= $cf::RUNTIME
		2402	}
		2403
		2404	sub reset {
		2405	my ($self) = @_;
		2406
		2407	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2408
		2409	return if $self->players;
		2410
		2411	cf::trace "resetting map ", $self->path, "\n";
		2412
2143	$self->in_memory (cf::MAP_SWAPPED);	2413	$self->state (cf::MAP_SWAPPED);
		2414
		2415	# need to save uniques path
		2416	unless ($self->{deny_save}) {
		2417	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2418
		2419	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2420	if $uniq;
		2421	}
		2422
		2423	delete $cf::MAP{$self->path};
2144		2424
2145	$self->deactivate;	2425	$self->deactivate;
2146	$_->clear_links_to ($self) for values %cf::MAP;	2426	$_->clear_links_to ($self) for values %cf::MAP;
2147	$self->clear;	2427	$self->clear;
2148	}
2149
2150	sub reset_at {
2151	my ($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		2428
2193	$self->unlink_save;	2429	$self->unlink_save;
2194	$self->destroy;	2430	$self->destroy;
2195	}	2431	}
2196		2432
…		…
2204		2440
2205	delete $cf::MAP{$self->path};	2441	delete $cf::MAP{$self->path};
2206		2442
2207	$self->unlink_save;	2443	$self->unlink_save;
2208		2444
2209	bless $self, "cf::map";	2445	bless $self, "cf::map::wrap";
2210	delete $self->{deny_reset};	2446	delete $self->{deny_reset};
2211	$self->{deny_save} = 1;	2447	$self->{deny_save} = 1;
2212	$self->reset_timeout (1);	2448	$self->reset_timeout (1);
2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2449	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2214		2450
…		…
2263		2499
2264	sub unique_maps() {	2500	sub unique_maps() {
2265	[	2501	[
2266	map {	2502	map {
2267	utf8::decode $_;	2503	utf8::decode $_;
2268	/\.map$/	2504	s/\.map$//; # TODO future compatibility hack
		2505	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2506	? ()
2269	? normalise $_	2507	: normalise $_
2270	: ()
2271	} @{ aio_readdir $UNIQUEDIR or [] }	2508	} @{ aio_readdir $UNIQUEDIR or [] }
2272	]	2509	]
2273	}	2510	}
2274		2511
2275	package cf;	2512	=item cf::map::static_maps
		2513
		2514	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2515	file in the shared directory excluding F</styles> and F</editor>). May
		2516	block.
		2517
		2518	=cut
		2519
		2520	sub static_maps() {
		2521	my @dirs = "";
		2522	my @maps;
		2523
		2524	while (@dirs) {
		2525	my $dir = shift @dirs;
		2526
		2527	next if $dir eq "/styles" || $dir eq "/editor";
		2528
		2529	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2530	or return;
		2531
		2532	for (@$files) {
		2533	s/\.map$// or next;
		2534	utf8::decode $_;
		2535	push @maps, "$dir/$_";
		2536	}
		2537
		2538	push @dirs, map "$dir/$_", @$dirs;
		2539	}
		2540
		2541	\@maps
		2542	}
2276		2543
2277	=back	2544	=back
2278		2545
2279	=head3 cf::object	2546	=head3 cf::object
2280		2547
…		…
2284		2551
2285	=over 4	2552	=over 4
2286		2553
2287	=item $ob->inv_recursive	2554	=item $ob->inv_recursive
2288		2555
2289	Returns the inventory of the object _and_ their inventories, recursively.	2556	Returns the inventory of the object I<and> their inventories, recursively,
		2557	but I<not> the object itself.
2290		2558
2291	=cut	2559	=cut
2292		2560
2293	sub inv_recursive_;	2561	sub inv_recursive_;
2294	sub inv_recursive_ {	2562	sub inv_recursive_ {
…		…
2299	inv_recursive_ inv $_[0]	2567	inv_recursive_ inv $_[0]
2300	}	2568	}
2301		2569
2302	=item $ref = $ob->ref	2570	=item $ref = $ob->ref
2303		2571
2304	creates and returns a persistent reference to an objetc that can be stored as a string.	2572	Creates and returns a persistent reference to an object that can be stored as a string.
2305		2573
2306	=item $ob = cf::object::deref ($refstring)	2574	=item $ob = cf::object::deref ($refstring)
2307		2575
2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2576	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2309	even if the object actually exists. May block.	2577	even if the object actually exists. May block.
…		…
2341	can be C<undef>. Does the right thing when the player is currently in a	2609	can be C<undef>. Does the right thing when the player is currently in a
2342	dialogue with the given NPC character.	2610	dialogue with the given NPC character.
2343		2611
2344	=cut	2612	=cut
2345		2613
		2614	our $SAY_CHANNEL = {
		2615	id => "say",
		2616	title => "Map",
		2617	reply => "say ",
		2618	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2619	};
		2620
		2621	our $CHAT_CHANNEL = {
		2622	id => "chat",
		2623	title => "Chat",
		2624	reply => "chat ",
		2625	tooltip => "Player chat and shouts, global to the server.",
		2626	};
		2627
2346	# rough implementation of a future "reply" method that works	2628	# rough implementation of a future "reply" method that works
2347	# with dialog boxes.	2629	# with dialog boxes.
2348	#TODO: the first argument must go, split into a $npc->reply_to ( method	2630	#TODO: the first argument must go, split into a $npc->reply_to ( method
2349	sub cf::object::player::reply($$$;$) {	2631	sub cf::object::player::reply($$$;$) {
2350	my ($self, $npc, $msg, $flags) = @_;	2632	my ($self, $npc, $msg, $flags) = @_;
…		…
2361	my $dialog = $pl->{npc_dialog};	2643	my $dialog = $pl->{npc_dialog};
2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2644	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2363		2645
2364	} else {	2646	} else {
2365	$msg = $npc->name . " says: $msg" if $npc;	2647	$msg = $npc->name . " says: $msg" if $npc;
2366	$self->message ($msg, $flags);	2648	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2367	}	2649	}
2368	}	2650	}
2369	}	2651	}
2370		2652
2371	=item $object->send_msg ($channel, $msg, $color, [extra...])	2653	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2396		2678
2397	=item $player_object->enter_link	2679	=item $player_object->enter_link
2398		2680
2399	Freezes the player and moves him/her to a special map (C<{link}>).	2681	Freezes the player and moves him/her to a special map (C<{link}>).
2400		2682
2401	The player should be reasonably safe there for short amounts of time. You	2683	The player should be reasonably safe there for short amounts of time (e.g.
2402	I<MUST> call C<leave_link> as soon as possible, though.	2684	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2685	though, as the player cannot control the character while it is on the link
		2686	map.
2403		2687
2404	Will never block.	2688	Will never block.
2405		2689
2406	=item $player_object->leave_link ($map, $x, $y)	2690	=item $player_object->leave_link ($map, $x, $y)
2407		2691
…		…
2427	sub cf::object::player::enter_link {	2711	sub cf::object::player::enter_link {
2428	my ($self) = @_;	2712	my ($self) = @_;
2429		2713
2430	$self->deactivate_recursive;	2714	$self->deactivate_recursive;
2431		2715
		2716	++$self->{_link_recursion};
		2717
2432	return if UNIVERSAL::isa $self->map, "ext::map_link";	2718	return if UNIVERSAL::isa $self->map, "ext::map_link";
2433		2719
2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2720	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2435	if $self->map && $self->map->{path} ne "{link}";	2721	if $self->map && $self->map->{path} ne "{link}";
2436		2722
2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2723	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2438	}	2724	}
2439		2725
2440	sub cf::object::player::leave_link {	2726	sub cf::object::player::leave_link {
2441	my ($self, $map, $x, $y) = @_;	2727	my ($self, $map, $x, $y) = @_;
2442		2728
…		…
2459	($x, $y) = (-1, -1)	2745	($x, $y) = (-1, -1)
2460	unless (defined $x) && (defined $y);	2746	unless (defined $x) && (defined $y);
2461		2747
2462	# use -1 or undef as default coordinates, not 0, 0	2748	# use -1 or undef as default coordinates, not 0, 0
2463	($x, $y) = ($map->enter_x, $map->enter_y)	2749	($x, $y) = ($map->enter_x, $map->enter_y)
2464	if $x <=0 && $y <= 0;	2750	if $x <= 0 && $y <= 0;
2465		2751
2466	$map->load;	2752	$map->load;
2467	$map->load_neighbours;
2468		2753
2469	return unless $self->contr->active;	2754	return unless $self->contr->active;
2470	$self->activate_recursive;
2471		2755
2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2756	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2473	$self->enter_map ($map, $x, $y);	2757	if ($self->enter_map ($map, $x, $y)) {
2474	}	2758	# entering was successful
		2759	delete $self->{_link_recursion};
		2760	# only activate afterwards, to support waiting in hooks
		2761	$self->activate_recursive;
		2762	}
2475		2763
		2764	}
		2765
2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2766	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2477		2767
2478	Moves the player to the given map-path and coordinates by first freezing	2768	Moves the player to the given map-path and coordinates by first freezing
2479	her, loading and preparing them map, calling the provided $check callback	2769	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	2770	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	2771	the new (success) or old (failed) map position. In either case, $done will
2482	be called at the end of this process.	2772	be called at the end of this process.
2483		2773
		2774	Note that $check will be called with a potentially non-loaded map, so if
		2775	it needs a loaded map it has to call C<< ->load >>.
		2776
2484	=cut	2777	=cut
2485		2778
2486	our $GOTOGEN;	2779	our $GOTOGEN;
2487		2780
2488	sub cf::object::player::goto {	2781	sub cf::object::player::goto {
2489	my ($self, $path, $x, $y, $check, $done) = @_;	2782	my ($self, $path, $x, $y, $check, $done) = @_;
		2783
		2784	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2785	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2786	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2787	($path, $x, $y) = @$EMERGENCY_POSITION;
		2788	}
2490		2789
2491	# do generation counting so two concurrent goto's will be executed in-order	2790	# do generation counting so two concurrent goto's will be executed in-order
2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2791	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2493		2792
2494	$self->enter_link;	2793	$self->enter_link;
…		…
2514	($path, $x, $y) = (undef, undef, undef);	2813	($path, $x, $y) = (undef, undef, undef);
2515	}	2814	}
2516	}	2815	}
2517		2816
2518	my $map = eval {	2817	my $map = eval {
2519	my $map = defined $path ? cf::map::find $path : undef;	2818	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2520		2819
2521	if ($map) {	2820	if ($map) {
2522	$map = $map->customise_for ($self);	2821	$map = $map->customise_for ($self);
2523	$map = $check->($map) if $check && $map;	2822	$map = $check->($map, $x, $y, $self) if $check && $map;
2524	} else {	2823	} else {
2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2824	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2526	}	2825	}
2527		2826
2528	$map	2827	$map
…		…
2536	if ($gen == $self->{_goto_generation}) {	2835	if ($gen == $self->{_goto_generation}) {
2537	delete $self->{_goto_generation};	2836	delete $self->{_goto_generation};
2538	$self->leave_link ($map, $x, $y);	2837	$self->leave_link ($map, $x, $y);
2539	}	2838	}
2540		2839
2541	$done->() if $done;	2840	$done->($self) if $done;
2542	})->prio (1);	2841	})->prio (1);
2543	}	2842	}
2544		2843
2545	=item $player_object->enter_exit ($exit_object)	2844	=item $player_object->enter_exit ($exit_object)
2546		2845
…		…
2566	}	2865	}
2567		2866
2568	sub prepare_random_map {	2867	sub prepare_random_map {
2569	my ($exit) = @_;	2868	my ($exit) = @_;
2570		2869
2571	my $guard = cf::lock_acquire "exit_prepare:$exit";
2572
2573	# all this does is basically replace the /! path by	2870	# all this does is basically replace the /! path by
2574	# a new random map path (?random/...) with a seed	2871	# a new random map path (?random/...) with a seed
2575	# that depends on the exit object	2872	# that depends on the exit object
2576		2873
2577	my $rmp = parse_random_map_params $exit->msg;	2874	my $rmp = parse_random_map_params $exit->msg;
…		…
2579	if ($exit->map) {	2876	if ($exit->map) {
2580	$rmp->{region} = $exit->region->name;	2877	$rmp->{region} = $exit->region->name;
2581	$rmp->{origin_map} = $exit->map->path;	2878	$rmp->{origin_map} = $exit->map->path;
2582	$rmp->{origin_x} = $exit->x;	2879	$rmp->{origin_x} = $exit->x;
2583	$rmp->{origin_y} = $exit->y;	2880	$rmp->{origin_y} = $exit->y;
		2881
		2882	$exit->map->touch;
2584	}	2883	}
2585		2884
2586	$rmp->{random_seed} ||= $exit->random_seed;	2885	$rmp->{random_seed} ||= $exit->random_seed;
2587		2886
2588	my $data = cf::to_json $rmp;	2887	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2589	my $md5 = Digest::MD5::md5_hex $data;	2888	my $md5 = Digest::MD5::md5_hex $data;
2590	my $meta = "$RANDOMDIR/$md5.meta";	2889	my $meta = "$RANDOMDIR/$md5.meta";
2591		2890
2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2891	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2593	aio_write $fh, 0, (length $data), $data, 0;	2892	aio_write $fh, 0, (length $data), $data, 0;
2594	undef $fh;	2893	undef $fh;
2595	aio_rename "$meta~", $meta;	2894	aio_rename "$meta~", $meta;
2596		2895
		2896	my $slaying = "?random/$md5";
		2897
		2898	if ($exit->valid) {
2597	$exit->slaying ("?random/$md5");	2899	$exit->slaying ("?random/$md5");
2598	$exit->msg (undef);	2900	$exit->msg (undef);
		2901	}
2599	}	2902	}
2600	}	2903	}
2601		2904
2602	sub cf::object::player::enter_exit {	2905	sub cf::object::player::enter_exit {
2603	my ($self, $exit) = @_;	2906	my ($self, $exit) = @_;
2604		2907
2605	return unless $self->type == cf::PLAYER;	2908	return unless $self->type == cf::PLAYER;
2606		2909
2607	if ($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;	2910	$self->enter_link;
2619		2911
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 {	2912	(async {
2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2913	$Coro::current->{desc} = "enter_exit";
2626		2914
2627	$self->deactivate_recursive; # just to be sure
2628	unless (eval {	2915	unless (eval {
		2916	$self->deactivate_recursive; # just to be sure
		2917
		2918	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2919	my $x = $exit->stats->hp;
		2920	my $y = $exit->stats->sp;
		2921
		2922	# special map handling
		2923	my $slaying = $exit->slaying;
		2924
		2925	# special map handling
		2926	if ($slaying eq "/!") {
		2927	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2928
		2929	prepare_random_map $exit
		2930	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2931
		2932	$map = $exit->slaying;
		2933
		2934	} elsif ($slaying eq '!up') {
		2935	$map = $exit->map->tile_path (cf::TILE_UP);
		2936	$x = $exit->x;
		2937	$y = $exit->y;
		2938
		2939	} elsif ($slaying eq '!down') {
		2940	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2941	$x = $exit->x;
		2942	$y = $exit->y;
		2943	}
		2944
2629	$self->goto ($slaying, $hp, $sp);	2945	$self->goto ($map, $x, $y);
2630		2946
		2947	# if exit is damned, update players death & WoR home-position
		2948	$self->contr->savebed ($map, $x, $y)
		2949	if $exit->flag (cf::FLAG_DAMNED);
		2950
2631	1;	2951	1
2632	}) {	2952	}) {
2633	$self->message ("Something went wrong deep within the crossfire server. "	2953	$self->message ("Something went wrong deep within the deliantra server. "
2634	. "I'll try to bring you back to the map you were before. "	2954	. "I'll try to bring you back to the map you were before. "
2635	. "Please report this to the dungeon master!",	2955	. "Please report this to the dungeon master!",
2636	cf::NDI_UNIQUE | cf::NDI_RED);	2956	cf::NDI_UNIQUE | cf::NDI_RED);
2637		2957
2638	warn "ERROR in enter_exit: $@";	2958	error "ERROR in enter_exit: $@";
2639	$self->leave_link;	2959	$self->leave_link;
2640	}	2960	}
2641	})->prio (1);	2961	})->prio (1);
2642	}	2962	}
2643		2963
…		…
2655	sub cf::client::send_drawinfo {	2975	sub cf::client::send_drawinfo {
2656	my ($self, $text, $flags) = @_;	2976	my ($self, $text, $flags) = @_;
2657		2977
2658	utf8::encode $text;	2978	utf8::encode $text;
2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2979	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		2980	}
		2981
		2982	=item $client->send_big_packet ($pkt)
		2983
		2984	Like C<send_packet>, but tries to compress large packets, and fragments
		2985	them as required.
		2986
		2987	=cut
		2988
		2989	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2990
		2991	sub cf::client::send_big_packet {
		2992	my ($self, $pkt) = @_;
		2993
		2994	# try lzf for large packets
		2995	$pkt = "lzf " . Compress::LZF::compress $pkt
		2996	if 1024 <= length $pkt and $self->{can_lzf};
		2997
		2998	# split very large packets
		2999	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3000	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3001	$pkt = "frag";
		3002	}
		3003
		3004	$self->send_packet ($pkt);
2660	}	3005	}
2661		3006
2662	=item $client->send_msg ($channel, $msg, $color, [extra...])	3007	=item $client->send_msg ($channel, $msg, $color, [extra...])
2663		3008
2664	Send a drawinfo or msg packet to the client, formatting the msg for the	3009	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2666	the message, with C<log> being the default. If C<$color> is negative, suppress	3011	the message, with C<log> being the default. If C<$color> is negative, suppress
2667	the message unless the client supports the msg packet.	3012	the message unless the client supports the msg packet.
2668		3013
2669	=cut	3014	=cut
2670		3015
		3016	# non-persistent channels (usually the info channel)
2671	our %CHANNEL = (	3017	our %CHANNEL = (
		3018	"c/motd" => {
		3019	id => "infobox",
		3020	title => "MOTD",
		3021	reply => undef,
		3022	tooltip => "The message of the day",
		3023	},
2672	"c/identify" => {	3024	"c/identify" => {
2673	id => "infobox",	3025	id => "infobox",
2674	title => "Identify",	3026	title => "Identify",
2675	reply => undef,	3027	reply => undef,
2676	tooltip => "Items recently identified",	3028	tooltip => "Items recently identified",
…		…
2678	"c/examine" => {	3030	"c/examine" => {
2679	id => "infobox",	3031	id => "infobox",
2680	title => "Examine",	3032	title => "Examine",
2681	reply => undef,	3033	reply => undef,
2682	tooltip => "Signs and other items you examined",	3034	tooltip => "Signs and other items you examined",
		3035	},
		3036	"c/shopinfo" => {
		3037	id => "infobox",
		3038	title => "Shop Info",
		3039	reply => undef,
		3040	tooltip => "What your bargaining skill tells you about the shop",
2683	},	3041	},
2684	"c/book" => {	3042	"c/book" => {
2685	id => "infobox",	3043	id => "infobox",
2686	title => "Book",	3044	title => "Book",
2687	reply => undef,	3045	reply => undef,
…		…
2703	id => "infobox",	3061	id => "infobox",
2704	title => "Body Parts",	3062	title => "Body Parts",
2705	reply => undef,	3063	reply => undef,
2706	tooltip => "Shows which body parts you posess and are available",	3064	tooltip => "Shows which body parts you posess and are available",
2707	},	3065	},
		3066	"c/statistics" => {
		3067	id => "infobox",
		3068	title => "Statistics",
		3069	reply => undef,
		3070	tooltip => "Shows your primary statistics",
		3071	},
		3072	"c/skills" => {
		3073	id => "infobox",
		3074	title => "Skills",
		3075	reply => undef,
		3076	tooltip => "Shows your experience per skill and item power",
		3077	},
		3078	"c/shopitems" => {
		3079	id => "infobox",
		3080	title => "Shop Items",
		3081	reply => undef,
		3082	tooltip => "Shows the items currently for sale in this shop",
		3083	},
		3084	"c/resistances" => {
		3085	id => "infobox",
		3086	title => "Resistances",
		3087	reply => undef,
		3088	tooltip => "Shows your resistances",
		3089	},
		3090	"c/pets" => {
		3091	id => "infobox",
		3092	title => "Pets",
		3093	reply => undef,
		3094	tooltip => "Shows information abotu your pets/a specific pet",
		3095	},
		3096	"c/perceiveself" => {
		3097	id => "infobox",
		3098	title => "Perceive Self",
		3099	reply => undef,
		3100	tooltip => "You gained detailed knowledge about yourself",
		3101	},
2708	"c/uptime" => {	3102	"c/uptime" => {
2709	id => "infobox",	3103	id => "infobox",
2710	title => "Uptime",	3104	title => "Uptime",
2711	reply => undef,	3105	reply => undef,
2712	tooltip => "How long the server has been running sicne last restart",	3106	tooltip => "How long the server has been running since last restart",
2713	},	3107	},
2714	"c/mapinfo" => {	3108	"c/mapinfo" => {
2715	id => "infobox",	3109	id => "infobox",
2716	title => "Map Info",	3110	title => "Map Info",
2717	reply => undef,	3111	reply => undef,
2718	tooltip => "Information related to the maps",	3112	tooltip => "Information related to the maps",
2719	},	3113	},
		3114	"c/party" => {
		3115	id => "party",
		3116	title => "Party",
		3117	reply => "gsay ",
		3118	tooltip => "Messages and chat related to your party",
		3119	},
		3120	"c/death" => {
		3121	id => "death",
		3122	title => "Death",
		3123	reply => undef,
		3124	tooltip => "Reason for and more info about your most recent death",
		3125	},
		3126	"c/say" => $SAY_CHANNEL,
		3127	"c/chat" => $CHAT_CHANNEL,
2720	);	3128	);
2721		3129
2722	sub cf::client::send_msg {	3130	sub cf::client::send_msg {
2723	my ($self, $channel, $msg, $color, @extra) = @_;	3131	my ($self, $channel, $msg, $color, @extra) = @_;
2724		3132
2725	$msg = $self->pl->expand_cfpod ($msg);	3133	$msg = $self->pl->expand_cfpod ($msg)
		3134	unless $color & cf::NDI_VERBATIM;
2726		3135
2727	$color &= cf::NDI_CLIENT_MASK; # just in case...	3136	$color &= cf::NDI_CLIENT_MASK; # just in case...
2728		3137
2729	# check predefined channels, for the benefit of C	3138	# check predefined channels, for the benefit of C
2730	if ($CHANNEL{$channel}) {	3139	if ($CHANNEL{$channel}) {
2731	$channel = $CHANNEL{$channel};	3140	$channel = $CHANNEL{$channel};
2732		3141
2733	$self->ext_msg (channel_info => $channel)	3142	$self->ext_msg (channel_info => $channel);
2734	if $self->can_msg;
2735
2736	$channel = $channel->{id};	3143	$channel = $channel->{id};
2737		3144
2738	} elsif (ref $channel) {	3145	} elsif (ref $channel) {
2739	# send meta info to client, if not yet sent	3146	# send meta info to client, if not yet sent
2740	unless (exists $self->{channel}{$channel->{id}}) {	3147	unless (exists $self->{channel}{$channel->{id}}) {
2741	$self->{channel}{$channel->{id}} = $channel;	3148	$self->{channel}{$channel->{id}} = $channel;
2742	$self->ext_msg (channel_info => $channel)	3149	$self->ext_msg (channel_info => $channel);
2743	if $self->can_msg;
2744	}	3150	}
2745		3151
2746	$channel = $channel->{id};	3152	$channel = $channel->{id};
2747	}	3153	}
2748		3154
2749	return unless @extra || length $msg;	3155	return unless @extra || length $msg;
2750		3156
2751	if ($self->can_msg) {
2752	# default colour, mask it out	3157	# default colour, mask it out
2753	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3158	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2754	if $color & cf::NDI_DEF;	3159	if $color & cf::NDI_DEF;
2755		3160
2756	$self->send_packet ("msg " . $self->{json_coder}->encode (	3161	my $pkt = "msg "
		3162	. $self->{json_coder}->encode (
2757	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3163	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2758	} else {	3164	);
2759	if ($color >= 0) {
2760	# replace some tags by gcfclient-compatible ones
2761	for ($msg) {
2762	1 while
2763	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2764	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2765	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2766	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2767	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2768	}
2769		3165
2770	$color &= cf::NDI_COLOR_MASK;	3166	$self->send_big_packet ($pkt);
2771
2772	utf8::encode $msg;
2773
2774	if (0 && $msg =~ /\[/) {
2775	# COMMAND/INFO
2776	$self->send_packet ("drawextinfo $color 10 8 $msg")
2777	} else {
2778	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2779	$self->send_packet ("drawinfo $color $msg")
2780	}
2781	}
2782	}
2783	}	3167	}
2784		3168
2785	=item $client->ext_msg ($type, @msg)	3169	=item $client->ext_msg ($type, @msg)
2786		3170
2787	Sends an ext event to the client.	3171	Sends an ext event to the client.
…		…
2790		3174
2791	sub cf::client::ext_msg($$@) {	3175	sub cf::client::ext_msg($$@) {
2792	my ($self, $type, @msg) = @_;	3176	my ($self, $type, @msg) = @_;
2793		3177
2794	if ($self->extcmd == 2) {	3178	if ($self->extcmd == 2) {
2795	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2796	} elsif ($self->extcmd == 1) { # TODO: remove	3180	} elsif ($self->extcmd == 1) { # TODO: remove
2797	push @msg, msgtype => "event_$type";	3181	push @msg, msgtype => "event_$type";
2798	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3182	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2799	}	3183	}
2800	}	3184	}
2801		3185
2802	=item $client->ext_reply ($msgid, @msg)	3186	=item $client->ext_reply ($msgid, @msg)
2803		3187
…		…
2807		3191
2808	sub cf::client::ext_reply($$@) {	3192	sub cf::client::ext_reply($$@) {
2809	my ($self, $id, @msg) = @_;	3193	my ($self, $id, @msg) = @_;
2810		3194
2811	if ($self->extcmd == 2) {	3195	if ($self->extcmd == 2) {
2812	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3196	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2813	} elsif ($self->extcmd == 1) {	3197	} elsif ($self->extcmd == 1) {
2814	#TODO: version 1, remove	3198	#TODO: version 1, remove
2815	unshift @msg, msgtype => "reply", msgid => $id;	3199	unshift @msg, msgtype => "reply", msgid => $id;
2816	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3200	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2817	}	3201	}
2818	}	3202	}
2819		3203
2820	=item $success = $client->query ($flags, "text", \&cb)	3204	=item $success = $client->query ($flags, "text", \&cb)
2821		3205
…		…
2892		3276
2893	$ns->ext_reply ($reply, @reply)	3277	$ns->ext_reply ($reply, @reply)
2894	if $reply;	3278	if $reply;
2895		3279
2896	} else {	3280	} else {
2897	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3281	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2898	}	3282	}
2899		3283
2900	cf::override;	3284	cf::override;
2901	},	3285	},
2902	);	3286	);
…		…
2922		3306
2923	$coro	3307	$coro
2924	}	3308	}
2925		3309
2926	cf::client->attach (	3310	cf::client->attach (
2927	on_destroy => sub {	3311	on_client_destroy => sub {
2928	my ($ns) = @_;	3312	my ($ns) = @_;
2929		3313
2930	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3314	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2931	},	3315	},
2932	);	3316	);
…		…
2948	our $safe_hole = new Safe::Hole;	3332	our $safe_hole = new Safe::Hole;
2949		3333
2950	$SIG{FPE} = 'IGNORE';	3334	$SIG{FPE} = 'IGNORE';
2951		3335
2952	$safe->permit_only (Opcode::opset qw(	3336	$safe->permit_only (Opcode::opset qw(
2953	:base_core :base_mem :base_orig :base_math	3337	:base_core :base_mem :base_orig :base_math :base_loop
2954	grepstart grepwhile mapstart mapwhile	3338	grepstart grepwhile mapstart mapwhile
2955	sort time	3339	sort time
2956	));	3340	));
2957		3341
2958	# here we export the classes and methods available to script code	3342	# here we export the classes and methods available to script code
…		…
2961		3345
2962	The following functions and methods are available within a safe environment:	3346	The following functions and methods are available within a safe environment:
2963		3347
2964	cf::object	3348	cf::object
2965	contr pay_amount pay_player map x y force_find force_add destroy	3349	contr pay_amount pay_player map x y force_find force_add destroy
2966	insert remove name archname title slaying race decrease_ob_nr	3350	insert remove name archname title slaying race decrease split
		3351	value
2967		3352
2968	cf::object::player	3353	cf::object::player
2969	player	3354	player
2970		3355
2971	cf::player	3356	cf::player
…		…
2976		3361
2977	=cut	3362	=cut
2978		3363
2979	for (	3364	for (
2980	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3365	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2981	insert remove inv name archname title slaying race	3366	insert remove inv nrof name archname title slaying race
2982	decrease_ob_nr destroy)],	3367	decrease split destroy change_exp value msg lore send_msg)],
2983	["cf::object::player" => qw(player)],	3368	["cf::object::player" => qw(player)],
2984	["cf::player" => qw(peaceful)],	3369	["cf::player" => qw(peaceful send_msg)],
2985	["cf::map" => qw(trigger)],	3370	["cf::map" => qw(trigger)],
2986	) {	3371	) {
2987	no strict 'refs';
2988	my ($pkg, @funs) = @$_;	3372	my ($pkg, @funs) = @$_;
2989	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3373	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2990	for @funs;	3374	for @funs;
2991	}	3375	}
2992		3376
…		…
3007		3391
3008	my $qcode = $code;	3392	my $qcode = $code;
3009	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3393	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3010	$qcode =~ s/\n/\\n/g;	3394	$qcode =~ s/\n/\\n/g;
3011		3395
		3396	%vars = (_dummy => 0) unless %vars;
		3397
		3398	my @res;
3012	local $_;	3399	local $_;
3013	local @safe::cf::_safe_eval_args = values %vars;
3014		3400
3015	my $eval =	3401	my $eval =
3016	"do {\n"	3402	"do {\n"
3017	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3403	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3018	. "#line 0 \"{$qcode}\"\n"	3404	. "#line 0 \"{$qcode}\"\n"
3019	. $code	3405	. $code
3020	. "\n}"	3406	. "\n}"
3021	;	3407	;
3022		3408
		3409	if ($CFG{safe_eval}) {
3023	sub_generation_inc;	3410	sub_generation_inc;
		3411	local @safe::cf::_safe_eval_args = values %vars;
3024	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3412	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3025	sub_generation_inc;	3413	sub_generation_inc;
		3414	} else {
		3415	local @cf::_safe_eval_args = values %vars;
		3416	@res = wantarray ? eval eval : scalar eval $eval;
		3417	}
3026		3418
3027	if ($@) {	3419	if ($@) {
3028	warn "$@";	3420	warn "$@",
3029	warn "while executing safe code '$code'\n";	3421	"while executing safe code '$code'\n",
3030	warn "with arguments " . (join " ", %vars) . "\n";	3422	"with arguments " . (join " ", %vars) . "\n";
3031	}	3423	}
3032		3424
3033	wantarray ? @res : $res[0]	3425	wantarray ? @res : $res[0]
3034	}	3426	}
3035		3427
…		…
3049	=cut	3441	=cut
3050		3442
3051	sub register_script_function {	3443	sub register_script_function {
3052	my ($fun, $cb) = @_;	3444	my ($fun, $cb) = @_;
3053		3445
3054	no strict 'refs';	3446	$fun = "safe::$fun" if $CFG{safe_eval};
3055	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3447	*$fun = $safe_hole->wrap ($cb);
3056	}	3448	}
3057		3449
3058	=back	3450	=back
3059		3451
3060	=cut	3452	=cut
…		…
3069	# for this (global event?)	3461	# for this (global event?)
3070	%ext::player_env::MUSIC_FACE_CACHE = ();	3462	%ext::player_env::MUSIC_FACE_CACHE = ();
3071		3463
3072	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3464	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3073		3465
3074	warn "loading facedata from $path\n";	3466	trace "loading facedata from $path\n";
3075		3467
3076	my $facedata;	3468	my $facedata = decode_storable load_file $path;
3077	0 < aio_load $path, $facedata
3078	or die "$path: $!";
3079
3080	$facedata = Coro::Storable::thaw $facedata;
3081		3469
3082	$facedata->{version} == 2	3470	$facedata->{version} == 2
3083	or cf::cleanup "$path: version mismatch, cannot proceed.";	3471	or cf::cleanup "$path: version mismatch, cannot proceed.";
3084		3472
3085	# patch in the exptable	3473	# patch in the exptable
		3474	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3086	$facedata->{resource}{"res/exp_table"} = {	3475	$facedata->{resource}{"res/exp_table"} = {
3087	type => FT_RSRC,	3476	type => FT_RSRC,
3088	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3477	data => $exp_table,
		3478	hash => (Digest::MD5::md5 $exp_table),
3089	};	3479	};
3090	cf::cede_to_tick;	3480	cf::cede_to_tick;
3091		3481
3092	{	3482	{
3093	my $faces = $facedata->{faceinfo};	3483	my $faces = $facedata->{faceinfo};
3094		3484
3095	while (my ($face, $info) = each %$faces) {	3485	while (my ($face, $info) = each %$faces) {
3096	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3486	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3487
3097	cf::face::set_visibility $idx, $info->{visibility};	3488	cf::face::set_visibility $idx, $info->{visibility};
3098	cf::face::set_magicmap $idx, $info->{magicmap};	3489	cf::face::set_magicmap $idx, $info->{magicmap};
3099	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3490	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3100	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3491	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3492	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3101		3493
3102	cf::cede_to_tick;	3494	cf::cede_to_tick;
3103	}	3495	}
3104		3496
3105	while (my ($face, $info) = each %$faces) {	3497	while (my ($face, $info) = each %$faces) {
3106	next unless $info->{smooth};	3498	next unless $info->{smooth};
		3499
3107	my $idx = cf::face::find $face	3500	my $idx = cf::face::find $face
3108	or next;	3501	or next;
		3502
3109	if (my $smooth = cf::face::find $info->{smooth}) {	3503	if (my $smooth = cf::face::find $info->{smooth}) {
3110	cf::face::set_smooth $idx, $smooth;	3504	cf::face::set_smooth $idx, $smooth;
3111	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3505	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3112	} else {	3506	} else {
3113	warn "smooth face '$info->{smooth}' not found for face '$face'";	3507	error "smooth face '$info->{smooth}' not found for face '$face'";
3114	}	3508	}
3115		3509
3116	cf::cede_to_tick;	3510	cf::cede_to_tick;
3117	}	3511	}
3118	}	3512	}
…		…
3127		3521
3128	cf::anim::invalidate_all; # d'oh	3522	cf::anim::invalidate_all; # d'oh
3129	}	3523	}
3130		3524
3131	{	3525	{
3132	# TODO: for gcfclient pleasure, we should give resources
3133	# that gcfclient doesn't grok a >10000 face index.
3134	my $res = $facedata->{resource};	3526	my $res = $facedata->{resource};
3135		3527
3136	my $soundconf = delete $res->{"res/sound.conf"};
3137
3138	while (my ($name, $info) = each %$res) {	3528	while (my ($name, $info) = each %$res) {
		3529	if (defined $info->{type}) {
3139	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3530	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3140	my $data;
3141		3531
3142	if ($info->{type} & 1) {	3532	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3143	# prepend meta info	3533	cf::face::set_type $idx, $info->{type};
3144
3145	my $meta = $enc->encode ({
3146	name => $name,
3147	%{ $info->{meta} || {} },
3148	});
3149
3150	$data = pack "(w/a*)*", $meta, $info->{data};
3151	} else {	3534	} else {
3152	$data = $info->{data};	3535	$RESOURCE{$name} = $info; # unused
3153	}	3536	}
3154		3537
3155	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3156	cf::face::set_type $idx, $info->{type};
3157
3158	cf::cede_to_tick;	3538	cf::cede_to_tick;
3159	}	3539	}
3160
3161	if ($soundconf) {
3162	$soundconf = $enc->decode (delete $soundconf->{data});
3163
3164	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3165	my $sound = $soundconf->{compat}[$_]
3166	or next;
3167
3168	my $face = cf::face::find "sound/$sound->[1]";
3169	cf::sound::set $sound->[0] => $face;
3170	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3171	}
3172
3173	while (my ($k, $v) = each %{$soundconf->{event}}) {
3174	my $face = cf::face::find "sound/$v";
3175	cf::sound::set $k => $face;
3176	}
3177	}
3178	}	3540	}
		3541
		3542	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3179		3543
3180	1	3544	1
3181	}	3545	}
3182		3546
3183	register_exticmd fx_want => sub {	3547	register_exticmd fx_want => sub {
…		…
3185		3549
3186	while (my ($k, $v) = each %$want) {	3550	while (my ($k, $v) = each %$want) {
3187	$ns->fx_want ($k, $v);	3551	$ns->fx_want ($k, $v);
3188	}	3552	}
3189	};	3553	};
		3554
		3555	sub load_resource_file($) {
		3556	my $guard = lock_acquire "load_resource_file";
		3557
		3558	my $status = load_resource_file_ $_[0];
		3559	get_slot 0.1, 100;
		3560	cf::arch::commit_load;
		3561
		3562	$status
		3563	}
3190		3564
3191	sub reload_regions {	3565	sub reload_regions {
3192	# HACK to clear player env face cache, we need some signal framework	3566	# HACK to clear player env face cache, we need some signal framework
3193	# for this (global event?)	3567	# for this (global event?)
3194	%ext::player_env::MUSIC_FACE_CACHE = ();	3568	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3208	}	3582	}
3209		3583
3210	sub reload_archetypes {	3584	sub reload_archetypes {
3211	load_resource_file "$DATADIR/archetypes"	3585	load_resource_file "$DATADIR/archetypes"
3212	or die "unable to load archetypes\n";	3586	or die "unable to load archetypes\n";
3213	#d# NEED to laod twice to resolve forward references
3214	# this really needs to be done in an extra post-pass
3215	# (which needs to be synchronous, so solve it differently)
3216	load_resource_file "$DATADIR/archetypes"
3217	or die "unable to load archetypes\n";
3218	}	3587	}
3219		3588
3220	sub reload_treasures {	3589	sub reload_treasures {
3221	load_resource_file "$DATADIR/treasures"	3590	load_resource_file "$DATADIR/treasures"
3222	or die "unable to load treasurelists\n";	3591	or die "unable to load treasurelists\n";
3223	}	3592	}
3224		3593
		3594	sub reload_sound {
		3595	trace "loading sound config from $DATADIR/sound\n";
		3596
		3597	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3598
		3599	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3600	my $sound = $soundconf->{compat}[$_]
		3601	or next;
		3602
		3603	my $face = cf::face::find "sound/$sound->[1]";
		3604	cf::sound::set $sound->[0] => $face;
		3605	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3606	}
		3607
		3608	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3609	my $face = cf::face::find "sound/$v";
		3610	cf::sound::set $k => $face;
		3611	}
		3612	}
		3613
3225	sub reload_resources {	3614	sub reload_resources {
3226	warn "reloading resource files...\n";	3615	trace "reloading resource files...\n";
3227		3616
		3617	reload_exp_table;
		3618	reload_materials;
		3619	reload_facedata;
		3620	reload_sound;
		3621	reload_archetypes;
3228	reload_regions;	3622	reload_regions;
3229	reload_facedata;
3230	#reload_archetypes;#d#
3231	reload_archetypes;
3232	reload_treasures;	3623	reload_treasures;
3233		3624
3234	warn "finished reloading resource files\n";	3625	trace "finished reloading resource files\n";
3235	}
3236
3237	sub init {
3238	reload_resources;
3239	}	3626	}
3240		3627
3241	sub reload_config {	3628	sub reload_config {
3242	open my $fh, "<:utf8", "$CONFDIR/config"	3629	trace "reloading config file...\n";
3243	or return;
3244		3630
3245	local $/;	3631	my $config = load_file "$CONFDIR/config";
3246	*CFG = YAML::Syck::Load <$fh>;	3632	utf8::decode $config;
		3633	*CFG = decode_yaml $config;
3247		3634
3248	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3635	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3249		3636
3250	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3637	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3251	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3638	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3252		3639
3253	if (exists $CFG{mlockall}) {	3640	if (exists $CFG{mlockall}) {
…		…
3257	};	3644	};
3258	warn $@ if $@;	3645	warn $@ if $@;
3259	}	3646	}
3260	}	3647	}
3261		3648
		3649	sub pidfile() {
		3650	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3651	or die "$PIDFILE: $!";
		3652	flock $fh, &Fcntl::LOCK_EX
		3653	or die "$PIDFILE: flock: $!";
		3654	$fh
		3655	}
		3656
		3657	# make sure only one server instance is running at any one time
		3658	sub atomic {
		3659	my $fh = pidfile;
		3660
		3661	my $pid = <$fh>;
		3662	kill 9, $pid if $pid > 0;
		3663
		3664	seek $fh, 0, 0;
		3665	print $fh $$;
		3666	}
		3667
		3668	sub main_loop {
		3669	trace "EV::loop starting\n";
		3670	if (1) {
		3671	EV::loop;
		3672	}
		3673	trace "EV::loop returned\n";
		3674	goto &main_loop unless $REALLY_UNLOOP;
		3675	}
		3676
3262	sub main {	3677	sub main {
		3678	cf::init_globals; # initialise logging
		3679
		3680	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3681	LOG llevInfo, "Copyright (C) 2005-2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3682	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3683	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3684
		3685	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3686
3263	# we must not ever block the main coroutine	3687	# we must not ever block the main coroutine
3264	local $Coro::idle = sub {	3688	local $Coro::idle = sub {
3265	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3689	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3266	(async {	3690	(async {
3267	$Coro::current->{desc} = "IDLE BUG HANDLER";	3691	$Coro::current->{desc} = "IDLE BUG HANDLER";
3268	Event::one_event;	3692	EV::loop EV::LOOP_ONESHOT;
3269	})->prio (Coro::PRIO_MAX);	3693	})->prio (Coro::PRIO_MAX);
3270	};	3694	};
3271		3695
		3696	evthread_start IO::AIO::poll_fileno;
		3697
		3698	cf::sync_job {
		3699	cf::incloader::init ();
		3700
		3701	cf::init_anim;
		3702	cf::init_attackmess;
		3703	cf::init_dynamic;
		3704
		3705	cf::load_settings;
		3706
		3707	reload_resources;
3272	reload_config;	3708	reload_config;
3273	db_init;	3709	db_init;
		3710
		3711	cf::init_uuid;
		3712	cf::init_signals;
		3713	cf::init_skills;
		3714
		3715	cf::init_beforeplay;
		3716
		3717	atomic;
		3718
3274	load_extensions;	3719	load_extensions;
3275		3720
3276	$TICK_WATCHER->start;	3721	utime time, time, $RUNTIMEFILE;
3277	Event::loop;	3722
		3723	# no (long-running) fork's whatsoever before this point(!)
		3724	use POSIX ();
		3725	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3726
		3727	cf::_post_init 0;
		3728	};
		3729
		3730	cf::object::thawer::errors_are_fatal 0;
		3731	info "parse errors in files are no longer fatal from this point on.\n";
		3732
		3733	AE::postpone {
		3734	undef &main; # free gobs of memory :)
		3735	};
		3736
		3737	goto &main_loop;
3278	}	3738	}
3279		3739
3280	#############################################################################	3740	#############################################################################
3281	# initialisation and cleanup	3741	# initialisation and cleanup
3282		3742
3283	# install some emergency cleanup handlers	3743	# install some emergency cleanup handlers
3284	BEGIN {	3744	BEGIN {
		3745	our %SIGWATCHER = ();
3285	for my $signal (qw(INT HUP TERM)) {	3746	for my $signal (qw(INT HUP TERM)) {
3286	Event->signal (	3747	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3287	reentrant => 0,
3288	data => WF_AUTOCANCEL,
3289	signal => $signal,
3290	prio => 0,
3291	cb => sub {
3292	cf::cleanup "SIG$signal";	3748	cf::cleanup "SIG$signal";
3293	},
3294	);	3749	};
3295	}	3750	}
3296	}	3751	}
3297		3752
3298	sub write_runtime {	3753	sub write_runtime_sync {
3299	my $runtime = "$LOCALDIR/runtime";	3754	my $t0 = AE::time;
3300		3755
3301	# first touch the runtime file to show we are still running:	3756	# first touch the runtime file to show we are still running:
3302	# the fsync below can take a very very long time.	3757	# the fsync below can take a very very long time.
3303		3758
3304	IO::AIO::aio_utime $runtime, undef, undef;	3759	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3305		3760
3306	my $guard = cf::lock_acquire "write_runtime";	3761	my $guard = cf::lock_acquire "write_runtime";
3307		3762
3308	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3763	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3309	or return;	3764	or return;
3310		3765
3311	my $value = $cf::RUNTIME + 90 + 10;	3766	my $value = $cf::RUNTIME + 90 + 10;
3312	# 10 is the runtime save interval, for a monotonic clock	3767	# 10 is the runtime save interval, for a monotonic clock
3313	# 60 allows for the watchdog to kill the server.	3768	# 60 allows for the watchdog to kill the server.
…		…
3323	aio_utime $fh, undef, undef;	3778	aio_utime $fh, undef, undef;
3324		3779
3325	close $fh	3780	close $fh
3326	or return;	3781	or return;
3327		3782
3328	aio_rename "$runtime~", $runtime	3783	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3329	and return;	3784	and return;
3330		3785
3331	warn "runtime file written.\n";	3786	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3332		3787
3333	1	3788	1
		3789	}
		3790
		3791	our $uuid_lock;
		3792	our $uuid_skip;
		3793
		3794	sub write_uuid_sync($) {
		3795	$uuid_skip ||= $_[0];
		3796
		3797	return if $uuid_lock;
		3798	local $uuid_lock = 1;
		3799
		3800	my $uuid = "$LOCALDIR/uuid";
		3801
		3802	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3803	or return;
		3804
		3805	my $value = uuid_seq uuid_cur;
		3806
		3807	unless ($value) {
		3808	info "cowardly refusing to write zero uuid value!\n";
		3809	return;
		3810	}
		3811
		3812	my $value = uuid_str $value + $uuid_skip;
		3813	$uuid_skip = 0;
		3814
		3815	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3816	and return;
		3817
		3818	# always fsync - this file is important
		3819	aio_fsync $fh
		3820	and return;
		3821
		3822	close $fh
		3823	or return;
		3824
		3825	aio_rename "$uuid~", $uuid
		3826	and return;
		3827
		3828	trace "uuid file written ($value).\n";
		3829
		3830	1
		3831
		3832	}
		3833
		3834	sub write_uuid($$) {
		3835	my ($skip, $sync) = @_;
		3836
		3837	$sync ? write_uuid_sync $skip
		3838	: async { write_uuid_sync $skip };
3334	}	3839	}
3335		3840
3336	sub emergency_save() {	3841	sub emergency_save() {
3337	my $freeze_guard = cf::freeze_mainloop;	3842	my $freeze_guard = cf::freeze_mainloop;
3338		3843
3339	warn "enter emergency perl save\n";	3844	info "emergency_perl_save: enter\n";
		3845
		3846	# this is a trade-off: we want to be very quick here, so
		3847	# save all maps without fsync, and later call a global sync
		3848	# (which in turn might be very very slow)
		3849	local $USE_FSYNC = 0;
3340		3850
3341	cf::sync_job {	3851	cf::sync_job {
		3852	cf::write_runtime_sync; # external watchdog should not bark
		3853
3342	# use a peculiar iteration method to avoid tripping on perl	3854	# use a peculiar iteration method to avoid tripping on perl
3343	# refcount bugs in for. also avoids problems with players	3855	# refcount bugs in for. also avoids problems with players
3344	# and maps saved/destroyed asynchronously.	3856	# and maps saved/destroyed asynchronously.
3345	warn "begin emergency player save\n";	3857	info "emergency_perl_save: begin player save\n";
3346	for my $login (keys %cf::PLAYER) {	3858	for my $login (keys %cf::PLAYER) {
3347	my $pl = $cf::PLAYER{$login} or next;	3859	my $pl = $cf::PLAYER{$login} or next;
3348	$pl->valid or next;	3860	$pl->valid or next;
3349	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3861	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3350	$pl->save;	3862	$pl->save;
3351	}	3863	}
3352	warn "end emergency player save\n";	3864	info "emergency_perl_save: end player save\n";
3353		3865
3354	warn "begin emergency map save\n";	3866	cf::write_runtime_sync; # external watchdog should not bark
		3867
		3868	info "emergency_perl_save: begin map save\n";
3355	for my $path (keys %cf::MAP) {	3869	for my $path (keys %cf::MAP) {
3356	my $map = $cf::MAP{$path} or next;	3870	my $map = $cf::MAP{$path} or next;
3357	$map->valid or next;	3871	$map->valid or next;
3358	$map->save;	3872	$map->save;
3359	}	3873	}
3360	warn "end emergency map save\n";	3874	info "emergency_perl_save: end map save\n";
3361		3875
3362	warn "begin emergency database checkpoint\n";	3876	cf::write_runtime_sync; # external watchdog should not bark
		3877
		3878	info "emergency_perl_save: begin database checkpoint\n";
3363	BDB::db_env_txn_checkpoint $DB_ENV;	3879	BDB::db_env_txn_checkpoint $DB_ENV;
3364	warn "end emergency database checkpoint\n";	3880	info "emergency_perl_save: end database checkpoint\n";
		3881
		3882	info "emergency_perl_save: begin write uuid\n";
		3883	write_uuid_sync 1;
		3884	info "emergency_perl_save: end write uuid\n";
		3885
		3886	cf::write_runtime_sync; # external watchdog should not bark
		3887
		3888	trace "emergency_perl_save: syncing database to disk";
		3889	BDB::db_env_txn_checkpoint $DB_ENV;
		3890
		3891	info "emergency_perl_save: starting sync\n";
		3892	IO::AIO::aio_sync sub {
		3893	info "emergency_perl_save: finished sync\n";
		3894	};
		3895
		3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	trace "emergency_perl_save: flushing outstanding aio requests";
		3899	while (IO::AIO::nreqs || BDB::nreqs) {
		3900	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3901	}
		3902
		3903	cf::write_runtime_sync; # external watchdog should not bark
3365	};	3904	};
3366		3905
3367	warn "leave emergency perl save\n";	3906	info "emergency_perl_save: leave\n";
3368	}	3907	}
3369		3908
3370	sub post_cleanup {	3909	sub post_cleanup {
3371	my ($make_core) = @_;	3910	my ($make_core) = @_;
3372		3911
		3912	IO::AIO::flush;
		3913
3373	warn Carp::longmess "post_cleanup backtrace"	3914	error Carp::longmess "post_cleanup backtrace"
3374	if $make_core;	3915	if $make_core;
		3916
		3917	my $fh = pidfile;
		3918	unlink $PIDFILE if <$fh> == $$;
		3919	}
		3920
		3921	# a safer delete_package, copied from Symbol
		3922	sub clear_package($) {
		3923	my $pkg = shift;
		3924
		3925	# expand to full symbol table name if needed
		3926	unless ($pkg =~ /^main::.*::$/) {
		3927	$pkg = "main$pkg" if $pkg =~ /^::/;
		3928	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3929	$pkg .= '::' unless $pkg =~ /::$/;
		3930	}
		3931
		3932	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3933	my $stem_symtab = *{$stem}{HASH};
		3934
		3935	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3936	or return;
		3937
		3938	# clear all symbols
		3939	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3940	for my $name (keys %$leaf_symtab) {
		3941	_gv_clear *{"$pkg$name"};
		3942	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3943	}
3375	}	3944	}
3376		3945
3377	sub do_reload_perl() {	3946	sub do_reload_perl() {
3378	# can/must only be called in main	3947	# can/must only be called in main
3379	if ($Coro::current != $Coro::main) {	3948	unless (in_main) {
3380	warn "can only reload from main coroutine";	3949	error "can only reload from main coroutine";
3381	return;	3950	return;
3382	}	3951	}
3383		3952
3384	warn "reloading...";	3953	return if $RELOAD++;
3385		3954
3386	warn "entering sync_job";	3955	my $t1 = AE::time;
3387		3956
		3957	while ($RELOAD) {
		3958	cf::get_slot 0.1, -1, "reload_perl";
		3959	info "perl_reload: reloading...";
		3960
		3961	trace "perl_reload: entering sync_job";
		3962
3388	cf::sync_job {	3963	cf::sync_job {
3389	cf::write_runtime; # external watchdog should not bark
3390	cf::emergency_save;	3964	#cf::emergency_save;
3391	cf::write_runtime; # external watchdog should not bark
3392		3965
3393	warn "syncing database to disk";
3394	BDB::db_env_txn_checkpoint $DB_ENV;
3395
3396	# if anything goes wrong in here, we should simply crash as we already saved
3397
3398	warn "cancelling all WF_AUTOCANCEL watchers";
3399	for (Event::all_watchers) {
3400	$_->cancel if $_->data & WF_AUTOCANCEL;
3401	}
3402
3403	warn "flushing outstanding aio requests";
3404	for (;;) {
3405	BDB::flush;
3406	IO::AIO::flush;
3407	Coro::cede_notself;
3408	last unless IO::AIO::nreqs || BDB::nreqs;
3409	warn "iterate...";
3410	}
3411
3412	++$RELOAD;
3413
3414	warn "cancelling all extension coros";	3966	trace "perl_reload: cancelling all extension coros";
3415	$_->cancel for values %EXT_CORO;	3967	$_->cancel for values %EXT_CORO;
3416	%EXT_CORO = ();	3968	%EXT_CORO = ();
3417		3969
3418	warn "removing commands";	3970	trace "perl_reload: removing commands";
3419	%COMMAND = ();	3971	%COMMAND = ();
3420		3972
3421	warn "removing ext/exti commands";	3973	trace "perl_reload: removing ext/exti commands";
3422	%EXTCMD = ();	3974	%EXTCMD = ();
3423	%EXTICMD = ();	3975	%EXTICMD = ();
3424		3976
3425	warn "unloading/nuking all extensions";	3977	trace "perl_reload: unloading/nuking all extensions";
3426	for my $pkg (@EXTS) {	3978	for my $pkg (@EXTS) {
3427	warn "... unloading $pkg";	3979	trace "... unloading $pkg";
3428		3980
3429	if (my $cb = $pkg->can ("unload")) {	3981	if (my $cb = $pkg->can ("unload")) {
3430	eval {	3982	eval {
3431	$cb->($pkg);	3983	$cb->($pkg);
3432	1	3984	1
3433	} or warn "$pkg unloaded, but with errors: $@";	3985	} or error "$pkg unloaded, but with errors: $@";
		3986	}
		3987
		3988	trace "... clearing $pkg";
		3989	clear_package $pkg;
3434	}	3990	}
3435		3991
3436	warn "... nuking $pkg";
3437	Symbol::delete_package $pkg;
3438	}
3439
3440	warn "unloading all perl modules loaded from $LIBDIR";	3992	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3441	while (my ($k, $v) = each %INC) {	3993	while (my ($k, $v) = each %INC) {
3442	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3994	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3443		3995
3444	warn "... unloading $k";	3996	trace "... unloading $k";
3445	delete $INC{$k};	3997	delete $INC{$k};
3446		3998
3447	$k =~ s/\.pm$//;	3999	$k =~ s/\.pm$//;
3448	$k =~ s/\//::/g;	4000	$k =~ s/\//::/g;
3449		4001
3450	if (my $cb = $k->can ("unload_module")) {	4002	if (my $cb = $k->can ("unload_module")) {
3451	$cb->();	4003	$cb->();
		4004	}
		4005
		4006	clear_package $k;
3452	}	4007	}
3453		4008
3454	Symbol::delete_package $k;
3455	}
3456
3457	warn "getting rid of safe::, as good as possible";	4009	trace "perl_reload: getting rid of safe::, as good as possible";
3458	Symbol::delete_package "safe::$_"	4010	clear_package "safe::$_"
3459	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4011	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3460		4012
3461	warn "unloading cf.pm \"a bit\"";	4013	trace "perl_reload: unloading cf.pm \"a bit\"";
3462	delete $INC{"cf.pm"};	4014	delete $INC{"cf.pm"};
3463	delete $INC{"cf/pod.pm"};	4015	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3464		4016
3465	# don't, removes xs symbols, too,	4017	# don't, removes xs symbols, too,
3466	# and global variables created in xs	4018	# and global variables created in xs
3467	#Symbol::delete_package __PACKAGE__;	4019	#clear_package __PACKAGE__;
3468		4020
3469	warn "unload completed, starting to reload now";	4021	info "perl_reload: unload completed, starting to reload now";
3470		4022
3471	warn "reloading cf.pm";	4023	trace "perl_reload: reloading cf.pm";
3472	require cf;	4024	require cf;
3473	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4025	cf::_connect_to_perl_1;
3474		4026
3475	warn "loading config and database again";	4027	trace "perl_reload: loading config and database again";
3476	cf::reload_config;	4028	cf::reload_config;
3477		4029
3478	warn "loading extensions";	4030	trace "perl_reload: loading extensions";
3479	cf::load_extensions;	4031	cf::load_extensions;
3480		4032
		4033	if ($REATTACH_ON_RELOAD) {
3481	warn "reattaching attachments to objects/players";	4034	trace "perl_reload: reattaching attachments to objects/players";
3482	_global_reattach; # objects, sockets	4035	_global_reattach; # objects, sockets
3483	warn "reattaching attachments to maps";	4036	trace "perl_reload: reattaching attachments to maps";
3484	reattach $_ for values %MAP;	4037	reattach $_ for values %MAP;
3485	warn "reattaching attachments to players";	4038	trace "perl_reload: reattaching attachments to players";
3486	reattach $_ for values %PLAYER;	4039	reattach $_ for values %PLAYER;
		4040	}
3487		4041
3488	warn "leaving sync_job";	4042	cf::_post_init 1;
3489		4043
		4044	trace "perl_reload: leaving sync_job";
		4045
3490	1	4046	1
3491	} or do {	4047	} or do {
3492	warn $@;	4048	error $@;
3493	warn "error while reloading, exiting.";	4049	cf::cleanup "perl_reload: error, exiting.";
3494	exit 1;	4050	};
		4051
		4052	--$RELOAD;
3495	};	4053	}
3496		4054
3497	warn "reloaded";	4055	$t1 = AE::time - $t1;
		4056	info "perl_reload: completed in ${t1}s\n";
3498	};	4057	};
3499		4058
3500	our $RELOAD_WATCHER; # used only during reload	4059	our $RELOAD_WATCHER; # used only during reload
3501		4060
3502	sub reload_perl() {	4061	sub reload_perl() {
3503	# doing reload synchronously and two reloads happen back-to-back,	4062	# doing reload synchronously and two reloads happen back-to-back,
3504	# coro crashes during coro_state_free->destroy here.	4063	# coro crashes during coro_state_free->destroy here.
3505		4064
3506	$RELOAD_WATCHER ||= Event->timer (	4065	$RELOAD_WATCHER ||= cf::async {
3507	reentrant => 0,	4066	Coro::AIO::aio_wait cache_extensions;
3508	after => 0,	4067
3509	data => WF_AUTOCANCEL,	4068	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3510	cb => sub {
3511	do_reload_perl;	4069	do_reload_perl;
3512	undef $RELOAD_WATCHER;	4070	undef $RELOAD_WATCHER;
3513	},	4071	};
3514	);	4072	};
3515	}	4073	}
3516		4074
3517	register_command "reload" => sub {	4075	register_command "reload" => sub {
3518	my ($who, $arg) = @_;	4076	my ($who, $arg) = @_;
3519		4077
…		…
3524	reload_perl;	4082	reload_perl;
3525	};	4083	};
3526	}	4084	}
3527	};	4085	};
3528		4086
3529	unshift @INC, $LIBDIR;	4087	#############################################################################
3530		4088
3531	my $bug_warning = 0;	4089	my $bug_warning = 0;
3532		4090
3533	our @WAIT_FOR_TICK;
3534	our @WAIT_FOR_TICK_BEGIN;
3535
3536	sub wait_for_tick {	4091	sub wait_for_tick() {
3537	return unless $TICK_WATCHER->is_active;	4092	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3538	return if $Coro::current == $Coro::main;
3539		4093
3540	my $signal = new Coro::Signal;	4094	$WAIT_FOR_TICK->wait;
3541	push @WAIT_FOR_TICK, $signal;
3542	$signal->wait;
3543	}	4095	}
3544		4096
3545	sub wait_for_tick_begin {	4097	sub wait_for_tick_begin() {
3546	return unless $TICK_WATCHER->is_active;	4098	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3547	return if $Coro::current == $Coro::main;
3548		4099
3549	my $signal = new Coro::Signal;	4100	my $signal = new Coro::Signal;
3550	push @WAIT_FOR_TICK_BEGIN, $signal;	4101	push @WAIT_FOR_TICK_BEGIN, $signal;
3551	$signal->wait;	4102	$signal->wait;
3552	}	4103	}
3553		4104
3554	$TICK_WATCHER = Event->timer (	4105	sub tick {
3555	reentrant => 0,
3556	parked => 1,
3557	prio => 0,
3558	at => $NEXT_TICK || $TICK,
3559	data => WF_AUTOCANCEL,
3560	cb => sub {
3561	if ($Coro::current != $Coro::main) {	4106	if ($Coro::current != $Coro::main) {
3562	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4107	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3563	unless ++$bug_warning > 10;	4108	unless ++$bug_warning > 10;
3564	return;	4109	return;
3565	}	4110	}
3566		4111
3567	$NOW = $tick_start = Event::time;	4112	cf::one_tick; # one server iteration
3568		4113
3569	cf::server_tick; # one server iteration	4114	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3570		4115
3571	$RUNTIME += $TICK;
3572	$NEXT_TICK += $TICK;
3573
3574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4116	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3575	$NEXT_RUNTIME_WRITE = $NOW + 10;	4117	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3576	Coro::async_pool {	4118	Coro::async_pool {
3577	$Coro::current->{desc} = "runtime saver";	4119	$Coro::current->{desc} = "runtime saver";
3578	write_runtime	4120	write_runtime_sync
3579	or warn "ERROR: unable to write runtime file: $!";	4121	or error "ERROR: unable to write runtime file: $!";
3580	};
3581	}	4122	};
		4123	}
3582		4124
3583	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4125	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3584	$sig->send;	4126	$sig->send;
3585	}	4127	}
3586	while (my $sig = shift @WAIT_FOR_TICK) {	4128	$WAIT_FOR_TICK->broadcast;
3587	$sig->send;
3588	}
3589		4129
3590	$NOW = Event::time;	4130	$LOAD = ($NOW - $TICK_START) / $TICK;
3591
3592	# if we are delayed by four ticks or more, skip them all
3593	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3594
3595	$TICK_WATCHER->at ($NEXT_TICK);
3596	$TICK_WATCHER->start;
3597
3598	$LOAD = ($NOW - $tick_start) / $TICK;
3599	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4131	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3600		4132
3601	_post_tick;	4133	if (0) {
		4134	if ($NEXT_TICK) {
		4135	my $jitter = $TICK_START - $NEXT_TICK;
		4136	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4137	debug "jitter $JITTER\n";#d#
		4138	}
3602	},	4139	}
3603	);	4140	}
3604		4141
3605	{	4142	{
		4143	# configure BDB
		4144
3606	BDB::min_parallel 8;	4145	BDB::min_parallel 16;
3607	BDB::max_poll_time $TICK * 0.1;	4146	BDB::max_poll_reqs $TICK * 0.1;
3608	$BDB_POLL_WATCHER = Event->io (	4147	#$AnyEvent::BDB::WATCHER->priority (1);
3609	reentrant => 0,
3610	fd => BDB::poll_fileno,
3611	poll => 'r',
3612	prio => 0,
3613	data => WF_AUTOCANCEL,
3614	cb => \&BDB::poll_cb,
3615	);
3616
3617	BDB::set_sync_prepare {
3618	my $status;
3619	my $current = $Coro::current;
3620	(
3621	sub {
3622	$status = $!;
3623	$current->ready; undef $current;
3624	},
3625	sub {
3626	Coro::schedule while defined $current;
3627	$! = $status;
3628	},
3629	)
3630	};
3631		4148
3632	unless ($DB_ENV) {	4149	unless ($DB_ENV) {
3633	$DB_ENV = BDB::db_env_create;	4150	$DB_ENV = BDB::db_env_create;
3634	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4151	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3635	| BDB::LOG_AUTOREMOVE, 1);	4152	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4153	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3636	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4154	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3637	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4155	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3638		4156
3639	cf::sync_job {	4157	cf::sync_job {
3640	eval {	4158	eval {
…		…
3650		4168
3651	cf::cleanup "db_env_open(db): $@" if $@;	4169	cf::cleanup "db_env_open(db): $@" if $@;
3652	};	4170	};
3653	}	4171	}
3654		4172
3655	$BDB_DEADLOCK_WATCHER = Event->timer (	4173	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3656	after => 3,
3657	interval => 1,
3658	hard => 1,
3659	prio => 0,
3660	data => WF_AUTOCANCEL,
3661	cb => sub {
3662	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4174	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3663	},
3664	);	4175	};
3665	$BDB_CHECKPOINT_WATCHER = Event->timer (	4176	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3666	after => 11,
3667	interval => 60,
3668	hard => 1,
3669	prio => 0,
3670	data => WF_AUTOCANCEL,
3671	cb => sub {
3672	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4177	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3673	},
3674	);	4178	};
3675	$BDB_TRICKLE_WATCHER = Event->timer (	4179	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3676	after => 5,
3677	interval => 10,
3678	hard => 1,
3679	prio => 0,
3680	data => WF_AUTOCANCEL,
3681	cb => sub {
3682	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4180	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3683	},
3684	);	4181	};
3685	}	4182	}
3686		4183
3687	{	4184	{
		4185	# configure IO::AIO
		4186
3688	IO::AIO::min_parallel 8;	4187	IO::AIO::min_parallel 8;
3689
3690	undef $Coro::AIO::WATCHER;
3691	IO::AIO::max_poll_time $TICK * 0.1;	4188	IO::AIO::max_poll_time $TICK * 0.1;
3692	$AIO_POLL_WATCHER = Event->io (	4189	undef $AnyEvent::AIO::WATCHER;
3693	reentrant => 0,
3694	data => WF_AUTOCANCEL,
3695	fd => IO::AIO::poll_fileno,
3696	poll => 'r',
3697	prio => 0,
3698	cb => \&IO::AIO::poll_cb,
3699	);
3700	}	4190	}
3701		4191
3702	my $_log_backtrace;	4192	our $_log_backtrace;
		4193	our $_log_backtrace_last;
3703		4194
3704	sub _log_backtrace {	4195	sub _log_backtrace {
3705	my ($msg, @addr) = @_;	4196	my ($msg, @addr) = @_;
3706		4197
3707	$msg =~ s/\n//;	4198	$msg =~ s/\n$//;
3708		4199
		4200	if ($_log_backtrace_last eq $msg) {
		4201	LOG llevInfo, "[ABT] $msg\n";
		4202	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3709	# limit the # of concurrent backtraces	4203	# limit the # of concurrent backtraces
3710	if ($_log_backtrace < 2) {	4204	} elsif ($_log_backtrace < 2) {
		4205	$_log_backtrace_last = $msg;
3711	++$_log_backtrace;	4206	++$_log_backtrace;
		4207	my $perl_bt = Carp::longmess $msg;
3712	async {	4208	async {
3713	$Coro::current->{desc} = "abt $msg";	4209	$Coro::current->{desc} = "abt $msg";
3714		4210
3715	my @bt = fork_call {	4211	my @bt = fork_call {
3716	@addr = map { sprintf "%x", $_ } @addr;	4212	@addr = map { sprintf "%x", $_ } @addr;
…		…
3727	}	4223	}
3728		4224
3729	@funcs	4225	@funcs
3730	};	4226	};
3731		4227
3732	LOG llevInfo, "[ABT] $msg\n";	4228	LOG llevInfo, "[ABT] $perl_bt\n";
		4229	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3733	LOG llevInfo, "[ABT] $_\n" for @bt;	4230	LOG llevInfo, "[ABT] $_\n" for @bt;
3734	--$_log_backtrace;	4231	--$_log_backtrace;
3735	};	4232	};
3736	} else {	4233	} else {
3737	LOG llevInfo, "[ABT] $msg\n";	4234	LOG llevInfo, "[ABT] $msg\n";
3738	LOG llevInfo, "[ABT] [suppressed]\n";	4235	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3739	}	4236	}
3740	}	4237	}
3741		4238
3742	# load additional modules	4239	# load additional modules
3743	use cf::pod;	4240	require "cf/$_.pm" for @EXTRA_MODULES;
		4241	cf::_connect_to_perl_2;
3744		4242
3745	END { cf::emergency_save }	4243	END { cf::emergency_save }
3746		4244
3747	1	4245	1
3748		4246

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