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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.226 by root, Wed Mar 14 04:12:29 2007 UTC vs.
Revision 1.578 by root, Wed Jan 4 02:48:57 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 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 Storable;	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;
		34	use Storable ();
		35	use Carp ();
13		36
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
21		52
		53	use JSON::XS 2.01 ();
22	use BDB ();	54	use BDB ();
23	use Data::Dumper;	55	use Data::Dumper;
24	use Digest::MD5;
25	use Fcntl;	56	use Fcntl;
26	use IO::AIO 2.32 ();
27	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
28	use Time::HiRes;	59	use Time::HiRes;
29	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
30		62
		63	AnyEvent::detect;
		64
		65	# configure various modules to our taste
		66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
31	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";
32	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
33	$Event::Eval = 1; # no idea why this is required, but it is	75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
34		78
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		80
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	81	our @ORIG_INC;
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		82
42	our %COMMAND = ();	83	our %COMMAND = ();
43	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
44		85
45	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
49		91
50	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
51	our @EVENT;	93	our @EVENT;
52	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
53		96
54	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	98
56	our $AIO_POLL_WATCHER;	99	our $DATADIR = datadir;
		100	our $LIBDIR = "$DATADIR/ext";
		101	our $PODDIR = "$DATADIR/pod";
		102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
		104	our $LOCALDIR = localdir;
		105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		108	our $RANDOMDIR = "$LOCALDIR/random";
		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;
		120
		121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	123	our $NEXT_TICK;
		124	our $USE_FSYNC = 1; # use fsync to write maps - default on
		125
		126	our $BDB_DEADLOCK_WATCHER;
		127	our $BDB_CHECKPOINT_WATCHER;
		128	our $BDB_TRICKLE_WATCHER;
		129	our $DB_ENV;
		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
		133	our %CFG;
		134
		135	our $UPTIME; $UPTIME ||= time;
		136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
59	our $NOW;	138	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off
61		139
62	our $BDB_POLL_WATCHER;	140	our (%PLAYER, %PLAYER_LOADING); # all users
63	our $DB_ENV;	141	our (%MAP, %MAP_LOADING ); # all maps
64
65	our %CFG;
66
67	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;
69
70	our %PLAYER; # all users
71	our %MAP; # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		143
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		146
		147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
		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 $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
		159
82	binmode STDOUT;	160	binmode STDOUT;
83	binmode STDERR;	161	binmode STDERR;
84		162
85	# read virtual server time, if available	163	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
87	open my $fh, "<", cf::localdir . "/runtime"	165	open my $fh, "<", $RUNTIMEFILE
88	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
89	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
90	}	168	}
91		169
92	mkdir cf::localdir;	170	eval "sub TICK() { $TICK } 1" or die;
93	mkdir cf::localdir . "/" . cf::playerdir;	171
94	mkdir cf::localdir . "/" . cf::tmpdir;	172	mkdir $_
95	mkdir cf::localdir . "/" . cf::uniquedir;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		174
99	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
100		176
101	sub cf::map::normalise;	177	sub cf::map::normalise;
102		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
103	#############################################################################	183	#############################################################################
104		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
105	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
106		197
107	=over 4	198	=over 4
108		199
109	=item $cf::UPTIME	200	=item $cf::UPTIME
110		201
111	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.
112		218
113	=item $cf::RUNTIME	219	=item $cf::RUNTIME
114		220
115	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
116	every server tick.	222	every server tick.
117		223
118	=item $cf::LIBDIR	224	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		225	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		226	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
119		227
120	The perl library directory, where extensions and cf-specific modules can	228	Various directories - "/etc", read-only install directory, perl-library
121	be found. It will be added to C<@INC> automatically.	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		230	unique-items directory, player file directory, random maps directory and
		231	database environment.
122		232
		233	=item $cf::LOADAVG
		234
		235	The current CPU load on the server (alpha-smoothed), as a value between 0
		236	(none) and 1 (overloaded), indicating how much time is spent on processing
		237	objects per tick. Healthy values are < 0.5.
		238
123	=item $cf::NOW	239	=item $cf::LOAD
124		240
125	The time of the last (current) server tick.	241	The raw value load value from the last tick.
126
127	=item $cf::TICK
128
129	The interval between server ticks, in seconds.
130		242
131	=item %cf::CFG	243	=item %cf::CFG
132		244
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	246	from wherever your confdir points to.
135		247
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		249
138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
140	processing has been done. Call C<< ->wait >> on them to maximise the	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
141	window of cpu time available, or simply to synchronise to the server tick.	253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$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
		271	=item @cf::INVOKE_RESULTS
		272
		273	This array contains the results of the last C<invoke ()> call. When
		274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		275	that call.
		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.
142		282
143	=back	283	=back
144		284
145	=cut	285	=cut
146		286
147	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
148	*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 {
149	my $msg = join "", @_;	294	my $msg = join "", @_;
150	utf8::encode $msg;
151		295
152	$msg .= "\n"	296	$msg .= "\n"
153	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
154		298
		299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		300
155	LOG llevError, $msg;	301	LOG llevWarn, $msg;
156	};	302	};
157	}	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	};
158		317
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	322	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		323	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
164	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	324	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
165		325
166	# we bless all objects into (empty) derived classes to force a method lookup	326	# we bless all objects into (empty) derived classes to force a method lookup
167	# within the Safe compartment.	327	# within the Safe compartment.
168	for my $pkg (qw(	328	for my $pkg (qw(
169	cf::global cf::attachable	329	cf::global cf::attachable
170	cf::object cf::object::player	330	cf::object cf::object::player
171	cf::client cf::player	331	cf::client cf::player
172	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
173	cf::map cf::party cf::region	334	cf::party cf::region
174	)) {	335	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	337	}
178		338
179	$Event::DIED = sub {	339	$EV::DIED = sub {
180	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
181	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
		347
		348	#############################################################################
182		349
183	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
184		351
185	=over 4	352	=over 4
186		353
…		…
205	$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;
206	$d	373	$d
207	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
208	}	375	}
209		376
210	use JSON::Syck (); # TODO# replace by JSON::PC once working	377	=item $scalar = load_file $path
211		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
212	=item $ref = cf::from_json $json	391	=item $ref = cf::decode_json $json
213		392
214	Converts a JSON string into the corresponding perl data structure.	393	Converts a JSON string into the corresponding perl data structure.
215		394
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	395	=item $json = cf::encode_json $ref
224		396
225	Converts a perl data structure into its JSON representation.	397	Converts a perl data structure into its JSON representation.
226		398
227	=cut	399	=cut
228		400
229	sub to_json($) {	401	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	402
231	JSON::Syck::Dump $_[0]	403	sub encode_json($) { $json_coder->encode ($_[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	}
232	}	466	}
233		467
234	=item cf::lock_wait $string	468	=item cf::lock_wait $string
235		469
236	Wait until the given lock is available. See cf::lock_acquire.	470	Wait until the given lock is available. See cf::lock_acquire.
237		471
238	=item my $lock = cf::lock_acquire $string	472	=item my $lock = cf::lock_acquire $string
239		473
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	476	for example when the coroutine gets canceled), the lock is automatically
243	returned.	477	returned.
244		478
		479	Locks are *not* recursive, locking from the same coro twice results in a
		480	deadlocked coro.
		481
245	Lock names should begin with a unique identifier (for example, cf::map::find	482	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	483	uses map_find and cf::map::load uses map_load).
247		484
248	=cut	485	=item $locked = cf::lock_active $string
249		486
250	our %LOCK;	487	Return true if the lock is currently active, i.e. somebody has locked it.
		488
		489	=cut
		490
		491	our $LOCKS = new Coro::SemaphoreSet;
251		492
252	sub lock_wait($) {	493	sub lock_wait($) {
253	my ($key) = @_;	494	$LOCKS->wait ($_[0]);
254
255	# wait for lock, if any
256	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;
259	}
260	}	495	}
261		496
262	sub lock_acquire($) {	497	sub lock_acquire($) {
263	my ($key) = @_;	498	$LOCKS->guard ($_[0])
		499	}
264		500
265	# wait, to be sure we are not locked	501	sub lock_active($) {
266	lock_wait $key;	502	$LOCKS->count ($_[0]) < 1
267
268	$LOCK{$key} = [];
269
270	Coro::guard {
271	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };
273	}
274	}	503	}
275		504
276	sub freeze_mainloop {	505	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	506	tick_inhibit_inc;
278		507
279	my $guard = Coro::guard {	508	&Guard::guard (\&tick_inhibit_dec);
280	$TICK_WATCHER->start;	509	}
		510
		511	=item cf::periodic $interval, $cb
		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
		524	}
		525
		526	=item cf::get_slot $time[, $priority[, $name]]
		527
		528	Allocate $time seconds of blocking CPU time at priority C<$priority>
		529	(default: 0): This call blocks and returns only when you have at least
		530	C<$time> seconds of cpu time till the next tick. The slot is only valid
		531	till the next cede.
		532
		533	Background jobs should use a priority les than zero, interactive jobs
		534	should use 100 or more.
		535
		536	The optional C<$name> can be used to identify the job to run. It might be
		537	used for statistical purposes and should identify the same time-class.
		538
		539	Useful for short background jobs.
		540
		541	=cut
		542
		543	our @SLOT_QUEUE;
		544	our $SLOT_QUEUE;
		545	our $SLOT_DECAY = 0.9;
		546
		547	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		548	$SLOT_QUEUE = Coro::async {
		549	$Coro::current->desc ("timeslot manager");
		550
		551	my $signal = new Coro::Signal;
		552	my $busy;
		553
		554	while () {
		555	next_job:
		556
		557	my $avail = cf::till_tick;
		558
		559	for (0 .. $#SLOT_QUEUE) {
		560	if ($SLOT_QUEUE[$_][0] <= $avail) {
		561	$busy = 0;
		562	my $job = splice @SLOT_QUEUE, $_, 1, ();
		563	$job->[2]->send;
		564	Coro::cede;
		565	goto next_job;
		566	} else {
		567	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		568	}
		569	}
		570
		571	if (@SLOT_QUEUE) {
		572	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		573	$WAIT_FOR_TICK->wait;
		574	} else {
		575	$busy = 0;
		576	Coro::schedule;
		577	}
281	};	578	}
282	$TICK_WATCHER->stop;	579	};
283	$guard	580
		581	sub get_slot($;$$) {
		582	return if tick_inhibit || $Coro::current == $Coro::main;
		583
		584	my ($time, $pri, $name) = @_;
		585
		586	$time = clamp $time, 0.01, $TICK * .6;
		587
		588	my $sig = new Coro::Signal;
		589
		590	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		591	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		592	$SLOT_QUEUE->ready;
		593	$sig->wait;
284	}	594	}
285		595
286	=item cf::async { BLOCK }	596	=item cf::async { BLOCK }
287		597
288	Currently the same as Coro::async_pool, meaning you cannot use	598	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		603
294	BEGIN { *async = \&Coro::async_pool }	604	BEGIN { *async = \&Coro::async_pool }
295		605
296	=item cf::sync_job { BLOCK }	606	=item cf::sync_job { BLOCK }
297		607
298	The design of crossfire+ requires that the main coro ($Coro::main) is	608	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	609	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	610	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		611	acceptable.
301		612
302	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
303	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
304	server will be frozen during this time, so the block should either finish	615	server will be frozen during this time, so the block should either finish
305	fast or be very important.	616	fast or be very important.
…		…
307	=cut	618	=cut
308		619
309	sub sync_job(&) {	620	sub sync_job(&) {
310	my ($job) = @_;	621	my ($job) = @_;
311		622
312	if ($Coro::current == $Coro::main) {	623	if (in_main) {
		624	my $time = AE::time;
		625
313	# this is the main coro, too bad, we have to block	626	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	627	# till the operation succeeds, freezing the server :/
315		628
316	# TODO: use suspend/resume instead	629	#LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	630
318	my $freeze_guard = freeze_mainloop;	631	my $freeze_guard = freeze_mainloop;
319		632
320	my $busy = 1;	633	my $busy = 1;
321	my @res;	634	my @res;
322		635
323	(async {	636	(async {
		637	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	638	@res = eval { $job->() };
325	warn $@ if $@;	639	error $@ if $@;
326	undef $busy;	640	undef $busy;
327	})->prio (Coro::PRIO_MAX);	641	})->prio (Coro::PRIO_MAX);
328		642
329	while ($busy) {	643	while ($busy) {
330	Coro::cede or Event::one_event;	644	if (Coro::nready) {
		645	Coro::cede_notself;
		646	} else {
		647	EV::loop EV::LOOP_ONESHOT;
331	}	648	}
		649	}
		650
		651	my $time = AE::time - $time;
		652
		653	$TICK_START += $time; # do not account sync jobs to server load
332		654
333	wantarray ? @res : $res[0]	655	wantarray ? @res : $res[0]
334	} else {	656	} else {
335	# we are in another coroutine, how wonderful, everything just works	657	# we are in another coroutine, how wonderful, everything just works
336		658
…		…
356	$EXT_CORO{$coro+0} = $coro;	678	$EXT_CORO{$coro+0} = $coro;
357		679
358	$coro	680	$coro
359	}	681	}
360		682
361	sub write_runtime {	683	=item fork_call { }, @args
362	my $guard = cf::lock_acquire "write_runtime";
363		684
364	my $runtime = cf::localdir . "/runtime";	685	Executes the given code block with the given arguments in a seperate
		686	process, returning the results. Everything must be serialisable with
		687	Coro::Storable. May, of course, block. Note that the executed sub may
		688	never block itself or use any form of event handling.
365		689
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	690	=cut
367	or return;
368		691
369	my $value = $cf::RUNTIME + 90 + 10;	692	sub post_fork {
370	# 10 is the runtime save interval, for a monotonic clock	693	reset_signals;
371	# 60 allows for the watchdog to kill the server.	694	}
372		695
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	696	sub fork_call(&@) {
374	and return;	697	my ($cb, @args) = @_;
375		698
376	# always fsync - this file is important	699	# we seemingly have to make a local copy of the whole thing,
377	aio_fsync $fh	700	# otherwise perl prematurely frees the stuff :/
378	and return;	701	# TODO: investigate and fix (likely this will be rather laborious)
379		702
380	close $fh	703	my @res = Coro::Util::fork_eval {
381	or return;	704	cf::post_fork;
		705	&$cb
		706	} @args;
382		707
383	aio_rename "$runtime~", $runtime	708	wantarray ? @res : $res[-1]
384	and return;	709	}
385		710
		711	sub objinfo {
386	1	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
		747	}
		748
		749	=item $value = cf::db_get $family => $key
		750
		751	Returns a single value from the environment database.
		752
		753	=item cf::db_put $family => $key => $value
		754
		755	Stores the given C<$value> in the family. It can currently store binary
		756	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		757
		758	=item $db = cf::db_table "name"
		759
		760	Create and/or open a new database table. The string must not be "db" and must be unique
		761	within each server.
		762
		763	=cut
		764
		765	sub db_table($) {
		766	cf::error "db_get called from main context"
		767	if $Coro::current == $Coro::main;
		768
		769	my ($name) = @_;
		770	my $db = BDB::db_create $DB_ENV;
		771
		772	eval {
		773	$db->set_flags (BDB::CHKSUM);
		774
		775	utf8::encode $name;
		776	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		777	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		778	cf::cleanup "db_open(db): $!" if $!;
		779	};
		780	cf::cleanup "db_open(db): $@" if $@;
		781
		782	$db
		783	}
		784
		785	our $DB;
		786
		787	sub db_init {
		788	$DB ||= db_table "db";
		789	}
		790
		791	sub db_get($$) {
		792	my $key = "$_[0]/$_[1]";
		793
		794	cf::error "db_get called from main context"
		795	if $Coro::current == $Coro::main;
		796
		797	BDB::db_get $DB, undef, $key, my $data;
		798
		799	$! ? ()
		800	: $data
		801	}
		802
		803	sub db_put($$$) {
		804	BDB::dbreq_pri 4;
		805	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		806	}
		807
		808	=item cf::cache $id => [$paths...], $processversion => $process
		809
		810	Generic caching function that returns the value of the resource $id,
		811	caching and regenerating as required.
		812
		813	This function can block.
		814
		815	=cut
		816
		817	sub cache {
		818	my ($id, $src, $processversion, $process) = @_;
		819
		820	my $meta =
		821	join "\x00",
		822	$processversion,
		823	map {
		824	aio_stat $_
		825	and Carp::croak "$_: $!";
		826
		827	($_, (stat _)[7,9])
		828	} @$src;
		829
		830	my $dbmeta = db_get cache => "$id/meta";
		831	if ($dbmeta ne $meta) {
		832	# changed, we may need to process
		833
		834	my @data;
		835	my $md5;
		836
		837	for (0 .. $#$src) {
		838	$data[$_] = load_file $src->[$_];
		839	}
		840
		841	# if processing is expensive, check
		842	# checksum first
		843	if (1) {
		844	$md5 =
		845	join "\x00",
		846	$processversion,
		847	map {
		848	cf::cede_to_tick;
		849	($src->[$_], Digest::MD5::md5_hex $data[$_])
		850	} 0.. $#$src;
		851
		852
		853	my $dbmd5 = db_get cache => "$id/md5";
		854	if ($dbmd5 eq $md5) {
		855	db_put cache => "$id/meta", $meta;
		856
		857	return db_get cache => "$id/data";
		858	}
		859	}
		860
		861	my $t1 = Time::HiRes::time;
		862	my $data = $process->(\@data);
		863	my $t2 = Time::HiRes::time;
		864
		865	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		866
		867	db_put cache => "$id/data", $data;
		868	db_put cache => "$id/md5" , $md5;
		869	db_put cache => "$id/meta", $meta;
		870
		871	return $data;
		872	}
		873
		874	db_get cache => "$id/data"
		875	}
		876
		877	=item cf::datalog type => key => value, ...
		878
		879	Log a datalog packet of the given type with the given key-value pairs.
		880
		881	=cut
		882
		883	sub datalog($@) {
		884	my ($type, %kv) = @_;
		885	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	886	}
388		887
389	=back	888	=back
390		889
391	=cut	890	=cut
392		891
393	#############################################################################	892	#############################################################################
394		893
395	=head2 ATTACHABLE OBJECTS	894	=head2 ATTACHABLE OBJECTS
396		895
397	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
398	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")
399	to it. All such attachable objects support the following methods.	898	to it. All such attachable objects support the following methods.
400		899
401	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>
402	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
403	crossfire+).	902	Deliantra).
404		903
405	=over 4	904	=over 4
406		905
407	=item $attachable->attach ($attachment, key => $value...)	906	=item $attachable->attach ($attachment, key => $value...)
408		907
…		…
452	=item cf::CLASS::attachment $name, ...	951	=item cf::CLASS::attachment $name, ...
453		952
454	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
455	given CLASS can refer to this attachment.	954	given CLASS can refer to this attachment.
456		955
457	Some classes such as crossfire maps and objects can specify attachments	956	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		958
460	These calls expect any number of the following handler/hook descriptions:	959	These calls expect any number of the following handler/hook descriptions:
461		960
462	=over 4	961	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	1070	$registry = $CB_TYPE[$object_type] ||= [];
572		1071
573	} elsif ($type eq "subtype") {	1072	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	1073	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	1074	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1075	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		1076
578	} elsif ($type eq "package") {	1077	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	1078	my $pkg = shift @arg;
580		1079
581	while (my ($name, $id) = each %cb_id) {	1080	while (my ($name, $id) = each %cb_id) {
…		…
586		1085
587	} elsif (exists $cb_id{$type}) {	1086	} elsif (exists $cb_id{$type}) {
588	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1087	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
589		1088
590	} elsif (ref $type) {	1089	} elsif (ref $type) {
591	warn "attaching objects not supported, ignoring.\n";	1090	error "attaching objects not supported, ignoring.\n";
592		1091
593	} else {	1092	} else {
594	shift @arg;	1093	shift @arg;
595	warn "attach argument '$type' not supported, ignoring.\n";	1094	error "attach argument '$type' not supported, ignoring.\n";
596	}	1095	}
597	}	1096	}
598	}	1097	}
599		1098
600	sub _object_attach {	1099	sub _object_attach {
…		…
610	_attach $registry, $klass, @attach;	1109	_attach $registry, $klass, @attach;
611	}	1110	}
612		1111
613	$obj->{$name} = \%arg;	1112	$obj->{$name} = \%arg;
614	} else {	1113	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	1114	info "object uses attachment '$name' which is not available, postponing.\n";
616	}	1115	}
617		1116
618	$obj->{_attachment}{$name} = undef;	1117	$obj->{_attachment}{$name} = undef;
619	}	1118	}
620		1119
…		…
622	if (ref $_[0]) {	1121	if (ref $_[0]) {
623	_object_attach @_;	1122	_object_attach @_;
624	} else {	1123	} else {
625	_attach shift->_attach_registry, @_;	1124	_attach shift->_attach_registry, @_;
626	}	1125	}
		1126	_recalc_want;
627	};	1127	};
628		1128
629	# all those should be optimised	1129	# all those should be optimised
630	sub cf::attachable::detach {	1130	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	1131	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	1134	delete $obj->{_attachment}{$name};
635	reattach ($obj);	1135	reattach ($obj);
636	} else {	1136	} else {
637	Carp::croak "cannot, currently, detach class attachments";	1137	Carp::croak "cannot, currently, detach class attachments";
638	}	1138	}
		1139	_recalc_want;
639	};	1140	};
640		1141
641	sub cf::attachable::attached {	1142	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1143	my ($obj, $name) = @_;
643		1144
…		…
658	";	1159	";
659	die if $@;	1160	die if $@;
660	}	1161	}
661		1162
662	our $override;	1163	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1164	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		1165
665	sub override {	1166	sub override {
666	$override = 1;	1167	$override = 1;
667	@invoke_results = ();	1168	@INVOKE_RESULTS = (@_);
668	}	1169	}
669		1170
670	sub do_invoke {	1171	sub do_invoke {
671	my $event = shift;	1172	my $event = shift;
672	my $callbacks = shift;	1173	my $callbacks = shift;
673		1174
674	@invoke_results = ();	1175	@INVOKE_RESULTS = ();
675		1176
676	local $override;	1177	local $override;
677		1178
678	for (@$callbacks) {	1179	for (@$callbacks) {
679	eval { &{$_->[1]} };	1180	eval { &{$_->[1]} };
680		1181
681	if ($@) {	1182	if ($@) {
682	warn "$@";
683	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1183	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
684	override;	1184	override;
685	}	1185	}
686		1186
687	return 1 if $override;	1187	return 1 if $override;
688	}	1188	}
689		1189
690	0	1190	0
691	}	1191	}
692		1192
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1193	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1194
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1195	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1196
697	Generate an object-specific event with the given arguments.	1197	Generate an object-specific event with the given arguments.
698		1198
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1199	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1200	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1201	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1202
703	=back	1203	=back
704		1204
705	=cut	1205	=cut
706		1206
707	#############################################################################	1207	#############################################################################
708	# object support	1208	# object support
		1209
		1210	sub _object_equal($$);
		1211	sub _object_equal($$) {
		1212	my ($a, $b) = @_;
		1213
		1214	return 0 unless (ref $a) eq (ref $b);
		1215
		1216	if ("HASH" eq ref $a) {
		1217	my @ka = keys %$a;
		1218	my @kb = keys %$b;
		1219
		1220	return 0 if @ka != @kb;
		1221
		1222	for (0 .. $#ka) {
		1223	return 0 unless $ka[$_] eq $kb[$_];
		1224	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1225	}
		1226
		1227	} elsif ("ARRAY" eq ref $a) {
		1228
		1229	return 0 if @$a != @$b;
		1230
		1231	for (0 .. $#$a) {
		1232	return 0 unless _object_equal $a->[$_], $b->[$_];
		1233	}
		1234
		1235	} elsif ($a ne $b) {
		1236	return 0;
		1237	}
		1238
		1239	1
		1240	}
		1241
		1242	our $SLOW_MERGES;#d#
		1243	sub _can_merge {
		1244	my ($ob1, $ob2) = @_;
		1245
		1246	++$SLOW_MERGES;#d#
		1247
		1248	# we do the slow way here
		1249	return _object_equal $ob1, $ob2
		1250	}
709		1251
710	sub reattach {	1252	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1253	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1254	my ($obj) = @_;
713		1255
		1256	# no longer needed after getting rid of delete_package?
714	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
715		1258
716	my $registry = $obj->registry;	1259	my $registry = $obj->registry;
717		1260
718	@$registry = ();	1261	@$registry = ();
719		1262
…		…
724	for (@$attach) {	1267	for (@$attach) {
725	my ($klass, @attach) = @$_;	1268	my ($klass, @attach) = @$_;
726	_attach $registry, $klass, @attach;	1269	_attach $registry, $klass, @attach;
727	}	1270	}
728	} else {	1271	} else {
729	warn "object uses attachment '$name' that is not available, postponing.\n";	1272	info "object uses attachment '$name' that is not available, postponing.\n";
730	}	1273	}
731	}	1274	}
732	}	1275	}
733		1276
734	cf::attachable->attach (	1277	cf::attachable->attach (
735	prio => -1000000,	1278	prio => -1000000,
736	on_instantiate => sub {	1279	on_instantiate => sub {
737	my ($obj, $data) = @_;	1280	my ($obj, $data) = @_;
738		1281
739	$data = from_json $data;	1282	$data = decode_json $data;
740		1283
741	for (@$data) {	1284	for (@$data) {
742	my ($name, $args) = @$_;	1285	my ($name, $args) = @$_;
743		1286
744	$obj->attach ($name, %{$args || {} });	1287	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1303	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1304	my ($filename, $rdata, $objs) = @_;
762		1305
763	sync_job {	1306	sync_job {
764	if (length $$rdata) {	1307	if (length $$rdata) {
		1308	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1309	trace sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1310	$decname, length $$rdata, scalar @$objs
		1311	if $VERBOSE_IO;
767		1312
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1313	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1314	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1315	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	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	}
772	close $fh;	1320	aio_close $fh;
773		1321
774	if (@$objs) {	1322	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1324	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1325	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1326	aio_write $fh, 0, (length $data), $data, 0;
779	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	}
780	close $fh;	1331	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1332	aio_rename "$filename.pst~", "$filename.pst";
782	}	1333	}
783	} else {	1334	} else {
784	aio_unlink "$filename.pst";	1335	aio_unlink "$filename.pst";
785	}	1336	}
786		1337
787	aio_rename "$filename~", $filename;	1338	aio_rename "$filename~", $filename;
		1339
		1340	$filename =~ s%/[^/]+$%%;
		1341	aio_pathsync $filename if $cf::USE_FSYNC;
788	} else {	1342	} else {
789	warn "FATAL: $filename~: $!\n";	1343	error "unable to save objects: $filename~: $!\n";
790	}	1344	}
791	} else {	1345	} else {
792	aio_unlink $filename;	1346	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1347	aio_unlink "$filename.pst";
794	}	1348	}
795	}	1349	};
796	}	1350	}
797		1351
798	sub object_freezer_as_string {	1352	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1353	my ($rdata, $objs) = @_;
800		1354
…		…
812	or return;	1366	or return;
813		1367
814	unless (aio_stat "$filename.pst") {	1368	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1369	(aio_load "$filename.pst", $av) >= 0
816	or return;	1370	or return;
		1371
817	$av = eval { (Storable::thaw $av)->{objs} };	1372	my $st = eval { Coro::Storable::thaw $av };
		1373	$av = $st->{objs};
818	}	1374	}
819		1375
		1376	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1377	trace sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1378	$decname, length $data, scalar @{$av || []}
		1379	if $VERBOSE_IO;
		1380
822	return ($data, $av);	1381	($data, $av)
823	}	1382	}
		1383
		1384	=head2 COMMAND CALLBACKS
		1385
		1386	=over 4
		1387
		1388	=cut
824		1389
825	#############################################################################	1390	#############################################################################
826	# command handling &c	1391	# command handling &c
827		1392
828	=item cf::register_command $name => \&callback($ob,$args);	1393	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1406	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1407	}
843		1408
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1409	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1410
846	Register a callbackf ro execution when the client sends an extcmd packet.	1411	Register a callback for execution when the client sends an (synchronous)
		1412	extcmd packet. Ext commands will be processed in the order they are
		1413	received by the server, like other user commands. The first argument is
		1414	the logged-in player. Ext commands can only be processed after a player
		1415	has logged in successfully.
847		1416
848	If the callback returns something, it is sent back as if reply was being	1417	If the callback returns something, it is sent back as if reply was being
849	called.	1418	called.
850		1419
		1420	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1421
		1422	Register a callback for execution when the client sends an (asynchronous)
		1423	exticmd packet. Exti commands are processed by the server as soon as they
		1424	are received, i.e. out of order w.r.t. other commands. The first argument
		1425	is a client socket. Exti commands can be received anytime, even before
		1426	log-in.
		1427
		1428	If the callback returns something, it is sent back as if reply was being
		1429	called.
		1430
851	=cut	1431	=cut
852		1432
853	sub register_extcmd {	1433	sub register_extcmd {
854	my ($name, $cb) = @_;	1434	my ($name, $cb) = @_;
855		1435
856	$EXTCMD{$name} = $cb;	1436	$EXTCMD{$name} = $cb;
857	}	1437	}
858		1438
		1439	sub register_exticmd {
		1440	my ($name, $cb) = @_;
		1441
		1442	$EXTICMD{$name} = $cb;
		1443	}
		1444
		1445	use File::Glob ();
		1446
859	cf::player->attach (	1447	cf::player->attach (
860	on_command => sub {	1448	on_unknown_command => sub {
861	my ($pl, $name, $params) = @_;	1449	my ($pl, $name, $params) = @_;
862		1450
863	my $cb = $COMMAND{$name}	1451	my $cb = $COMMAND{$name}
864	or return;	1452	or return;
865		1453
…		…
870	cf::override;	1458	cf::override;
871	},	1459	},
872	on_extcmd => sub {	1460	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1461	my ($pl, $buf) = @_;
874		1462
875	my $msg = eval { from_json $buf };	1463	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1464
877	if (ref $msg) {	1465	if (ref $msg) {
		1466	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1467
		1468	my @reply;
		1469
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1470	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1471	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1472	}
		1473
		1474	$pl->ext_reply ($reply, @reply)
		1475	if $reply;
		1476
883	} else {	1477	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1478	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1479	}
886		1480
887	cf::override;	1481	cf::override;
888	},	1482	},
889	);	1483	);
890		1484
		1485	# "readahead" all extensions
891	sub load_extension {	1486	sub cache_extensions {
892	my ($path) = @_;	1487	my $grp = IO::AIO::aio_group;
893		1488
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1489	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
895	my $base = $1;	1490	for (grep /\.ext$/, @{$_[0]}) {
896	my $pkg = $1;	1491	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}	1492	}
919	die $@;
920	}	1493	};
921		1494
922	push @EXTS, $pkg;	1495	$grp
923	}	1496	}
924		1497
925	sub load_extensions {	1498	sub load_extensions {
		1499	info "loading extensions...";
		1500
		1501	cf::sync_job {
		1502	my %todo;
		1503
926	for my $ext (<$LIBDIR/*.ext>) {	1504	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1505	next unless -r $path;
928	eval {	1506
929	load_extension $ext;	1507	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1508	my $base = $1;
		1509	my $pkg = $1;
		1510	$pkg =~ s/[^[:word:]]/_/g;
		1511	$pkg = "ext::$pkg";
		1512
		1513	open my $fh, "<:utf8", $path
		1514	or die "$path: $!";
		1515
		1516	my $source = do { local $/; <$fh> };
		1517
		1518	my %ext = (
		1519	path => $path,
		1520	base => $base,
		1521	pkg => $pkg,
		1522	);
		1523
		1524	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1525	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1526
		1527	$ext{source} =
		1528	"package $pkg; use common::sense;\n"
		1529	. "#line 1 \"$path\"\n{\n"
		1530	. $source
		1531	. "\n};\n1";
		1532
		1533	$todo{$base} = \%ext;
		1534	}
		1535
		1536	my $pass = 0;
		1537	my %done;
		1538	while (%todo) {
		1539	my $progress;
		1540
		1541	++$pass;
		1542
		1543	ext:
		1544	while (my ($k, $v) = each %todo) {
		1545	for (split /,\s*/, $v->{meta}{depends}) {
		1546	next ext
		1547	unless exists $done{$_};
		1548	}
		1549
		1550	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1551
		1552	my $active = eval $v->{source};
		1553
		1554	if (length $@) {
		1555	error "$v->{path}: $@\n";
		1556
		1557	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1558	if exists $v->{meta}{mandatory};
		1559
		1560	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1561	delete $todo{$k};
		1562	} else {
		1563	$done{$k} = delete $todo{$k};
		1564	push @EXTS, $v->{pkg};
		1565	$progress = 1;
		1566
		1567	info "$v->{base}: extension inactive.\n"
		1568	unless $active;
		1569	}
930	1	1570	}
931	} or warn "$ext not loaded: $@";	1571
		1572	unless ($progress) {
		1573	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1574
		1575	while (my ($k, $v) = each %todo) {
		1576	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1577	if exists $v->{meta}{mandatory};
		1578	}
		1579
		1580	last;
		1581	}
		1582	}
932	}	1583	};
933	}	1584	}
934		1585
935	#############################################################################	1586	#############################################################################
936		1587
		1588	=back
		1589
937	=head2 CORE EXTENSIONS	1590	=head2 CORE EXTENSIONS
938		1591
939	Functions and methods that extend core crossfire objects.	1592	Functions and methods that extend core deliantra objects.
940		1593
941	=cut	1594	=cut
942		1595
943	package cf::player;	1596	package cf::player;
944		1597
…		…
946		1599
947	=head3 cf::player	1600	=head3 cf::player
948		1601
949	=over 4	1602	=over 4
950		1603
		1604	=item cf::player::num_playing
		1605
		1606	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1607
		1608	=cut
		1609
		1610	sub num_playing {
		1611	scalar grep
		1612	$_->ob->map
		1613	&& !$_->hidden
		1614	&& !$_->ob->flag (cf::FLAG_WIZ),
		1615	cf::player::list
		1616	}
		1617
951	=item cf::player::find $login	1618	=item cf::player::find $login
952		1619
953	Returns the given player object, loading it if necessary (might block).	1620	Returns the given player object, loading it if necessary (might block).
954		1621
955	=cut	1622	=cut
956		1623
957	sub playerdir($) {	1624	sub playerdir($) {
958	cf::localdir	1625	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1626	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1627	}
964		1628
965	sub path($) {	1629	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1630	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1631
968	(playerdir $login) . "/$login.pl"	1632	(playerdir $login) . "/playerdata"
969	}	1633	}
970		1634
971	sub find_active($) {	1635	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1636	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1637	and $cf::PLAYER{$_[0]}->active
…		…
976		1640
977	sub exists($) {	1641	sub exists($) {
978	my ($login) = @_;	1642	my ($login) = @_;
979		1643
980	$cf::PLAYER{$login}	1644	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1645	or !aio_stat path $login
982	}	1646	}
983		1647
984	sub find($) {	1648	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1649	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1650	my $login = $_[0];
987		1651
988	my $guard = cf::lock_acquire "user_find:$login";	1652	my $guard = cf::lock_acquire "user_find:$login";
989		1653
990	$cf::PLAYER{$_[0]} || do {	1654	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1655	# rename old playerfiles to new ones
		1656	#TODO: remove when no longer required
		1657	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1658	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1659	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1660	aio_unlink +(playerdir $login) . "/$login.pl";
		1661
		1662	my $f = new_from_file cf::object::thawer path $login
992	or return;	1663	or return;
		1664
		1665	my $pl = cf::player::load_pl $f
		1666	or return;
		1667
		1668	local $cf::PLAYER_LOADING{$login} = $pl;
		1669	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1670	$cf::PLAYER{$login} = $pl
994	}	1671	}
995	}	1672	}
996	}	1673	}
		1674
		1675	cf::player->attach (
		1676	on_load => sub {
		1677	my ($pl, $path) = @_;
		1678
		1679	# restore slots saved in save, below
		1680	my $slots = delete $pl->{_slots};
		1681
		1682	$pl->ob->current_weapon ($slots->[0]);
		1683	$pl->combat_ob ($slots->[1]);
		1684	$pl->ranged_ob ($slots->[2]);
		1685	},
		1686	);
997		1687
998	sub save($) {	1688	sub save($) {
999	my ($pl) = @_;	1689	my ($pl) = @_;
1000		1690
1001	return if $pl->{deny_save};	1691	return if $pl->{deny_save};
…		…
1006	return if $pl->{deny_save};	1696	return if $pl->{deny_save};
1007		1697
1008	aio_mkdir playerdir $pl, 0770;	1698	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1699	$pl->{last_save} = $cf::RUNTIME;
1010		1700
		1701	cf::get_slot 0.01;
		1702
		1703	# save slots, to be restored later
		1704	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1705
1011	$pl->save_pl ($path);	1706	$pl->save_pl ($path);
1012	Coro::cede;	1707	cf::cede_to_tick;
1013	}	1708	}
1014		1709
1015	sub new($) {	1710	sub new($) {
1016	my ($login) = @_;	1711	my ($login) = @_;
1017		1712
…		…
1023	$cf::PLAYER{$login} = $self;	1718	$cf::PLAYER{$login} = $self;
1024		1719
1025	$self	1720	$self
1026	}	1721	}
1027		1722
		1723	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1724
		1725	=cut
		1726
		1727	sub send_msg {
		1728	my $ns = shift->ns
		1729	or return;
		1730	$ns->send_msg (@_);
		1731	}
		1732
1028	=item $pl->quit_character	1733	=item $pl->quit_character
1029		1734
1030	Nukes the player without looking back. If logged in, the connection will	1735	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1736	be destroyed. May block for a long time.
1032		1737
…		…
1036	my ($pl) = @_;	1741	my ($pl) = @_;
1037		1742
1038	my $name = $pl->ob->name;	1743	my $name = $pl->ob->name;
1039		1744
1040	$pl->{deny_save} = 1;	1745	$pl->{deny_save} = 1;
1041	$pl->password ("*"); # this should lock out the player until we nuked the dir	1746	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1042		1747
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1748	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1044	$pl->deactivate;	1749	$pl->deactivate;
		1750
		1751	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1752	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1753	ext::highscore::check ($pl->ob);
		1754
1046	$pl->ns->destroy if $pl->ns;	1755	$pl->ns->destroy if $pl->ns;
1047		1756
1048	my $path = playerdir $pl;	1757	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1758	my $temp = "$path~$cf::RUNTIME~deleting~";
1050	aio_rename $path, $temp;	1759	aio_rename $path, $temp;
…		…
1079	while and may block, so not sync_job-capable, ever.	1788	while and may block, so not sync_job-capable, ever.
1080		1789
1081	=cut	1790	=cut
1082		1791
1083	sub list_logins {	1792	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1793	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1794	or return [];
1086		1795
1087	my @logins;	1796	my @logins;
1088		1797
1089	for my $login (@$dirs) {	1798	for my $login (@$dirs) {
		1799	my $path = path $login;
		1800
		1801	# a .pst is a dead give-away for a valid player
		1802	# if no pst file found, open and chekc for blocked users
		1803	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1804	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1805	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1806	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1807	}
1093		1808
1094	utf8::decode $login;	1809	utf8::decode $login;
1095	push @logins, $login;	1810	push @logins, $login;
1096	}	1811	}
1097		1812
1098	\@logins	1813	\@logins
1099	}	1814	}
1100		1815
1101	=item $player->maps	1816	=item $player->maps
		1817
		1818	=item cf::player::maps $login
1102		1819
1103	Returns an arrayref of map paths that are private for this	1820	Returns an arrayref of map paths that are private for this
1104	player. May block.	1821	player. May block.
1105		1822
1106	=cut	1823	=cut
…		…
1124	}	1841	}
1125		1842
1126	\@paths	1843	\@paths
1127	}	1844	}
1128		1845
		1846	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1847
		1848	Expand deliantra pod fragments into protocol xml.
		1849
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1850	=item $player->ext_reply ($msgid, @msg)
1130		1851
1131	Sends an ext reply to the player.	1852	Sends an ext reply to the player.
1132		1853
1133	=cut	1854	=cut
1134		1855
1135	sub ext_reply($$$%) {	1856	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1857	my ($self, $id, @msg) = @_;
1137		1858
1138	$msg{msgid} = $id;	1859	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1860	}
1142		1861
1143	package cf;	1862	=item $player->ext_msg ($type, @msg)
		1863
		1864	Sends an ext event to the client.
		1865
		1866	=cut
		1867
		1868	sub ext_msg($$@) {
		1869	my ($self, $type, @msg) = @_;
		1870
		1871	$self->ns->ext_msg ($type, @msg);
		1872	}
		1873
		1874	=head3 cf::region
		1875
		1876	=over 4
		1877
		1878	=cut
		1879
		1880	package cf::region;
		1881
		1882	=item cf::region::find_by_path $path
		1883
		1884	Tries to decuce the likely region for a map knowing only its path.
		1885
		1886	=cut
		1887
		1888	sub find_by_path($) {
		1889	my ($path) = @_;
		1890
		1891	$path =~ s/^~[^\/]*//; # skip ~login
		1892
		1893	my ($match, $specificity);
		1894
		1895	for my $region (list) {
		1896	if ($region->{match} && $path =~ $region->{match}) {
		1897	($match, $specificity) = ($region, $region->specificity)
		1898	if $region->specificity > $specificity;
		1899	}
		1900	}
		1901
		1902	$match
		1903	}
1144		1904
1145	=back	1905	=back
1146
1147		1906
1148	=head3 cf::map	1907	=head3 cf::map
1149		1908
1150	=over 4	1909	=over 4
1151		1910
…		…
1163	our $MAX_RESET = 3600;	1922	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1923	our $DEFAULT_RESET = 3000;
1165		1924
1166	sub generate_random_map {	1925	sub generate_random_map {
1167	my ($self, $rmp) = @_;	1926	my ($self, $rmp) = @_;
1168	# mit "rum" bekleckern, nicht	1927
		1928	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1929
1169	$self->_create_random_map (	1930	$self->_create_random_map ($rmp);
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1173	$rmp->{exit_on_final_map},
1174	$rmp->{xsize}, $rmp->{ysize},
1175	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1176	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1177	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1178	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1179	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1180	(cf::region::find $rmp->{region}), $rmp->{custom}
1181	)
1182	}	1931	}
1183		1932
1184	=item cf::map->register ($regex, $prio)	1933	=item cf::map->register ($regex, $prio)
1185		1934
1186	Register a handler for the map path matching the given regex at the	1935	Register a handler for the map path matching the given regex at the
…		…
1191		1940
1192	sub register {	1941	sub register {
1193	my (undef, $regex, $prio) = @_;	1942	my (undef, $regex, $prio) = @_;
1194	my $pkg = caller;	1943	my $pkg = caller;
1195		1944
1196	no strict;
1197	push @{"$pkg\::ISA"}, __PACKAGE__;	1945	push @{"$pkg\::ISA"}, __PACKAGE__;
1198		1946
1199	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1947	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1200	}	1948	}
1201		1949
1202	# also paths starting with '/'	1950	# also paths starting with '/'
1203	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1951	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1204		1952
1205	sub thawer_merge {	1953	sub thawer_merge {
1206	my ($self, $merge) = @_;	1954	my ($self, $merge) = @_;
1207		1955
1208	# we have to keep some variables in memory intact	1956	# we have to keep some variables in memory intact
1209	local $self->{path};	1957	local $self->{path};
1210	local $self->{load_path};	1958	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1959
1214	$self->SUPER::thawer_merge ($merge);	1960	$self->SUPER::thawer_merge ($merge);
1215	}	1961	}
1216		1962
1217	sub normalise {	1963	sub normalise {
1218	my ($path, $base) = @_;	1964	my ($path, $base) = @_;
1219		1965
1220	$path = "$path"; # make sure its a string	1966	$path = "$path"; # make sure it's a string
1221		1967
1222	$path =~ s/\.map$//;	1968	$path =~ s/\.map$//;
1223		1969
1224	# map plan:	1970	# map plan:
1225	#	1971	#
…		…
1240	$base =~ s{[^/]+/?$}{};	1986	$base =~ s{[^/]+/?$}{};
1241	$path = "$base/$path";	1987	$path = "$base/$path";
1242	}	1988	}
1243		1989
1244	for ($path) {	1990	for ($path) {
1245	redo if s{//}{/};
1246	redo if s{/\.?/}{/};	1991	redo if s{/\.?/}{/};
1247	redo if s{/[^/]+/\.\./}{/};	1992	redo if s{/[^/]+/\.\./}{/};
1248	}	1993	}
1249		1994
1250	$path	1995	$path
…		…
1264	$self->init; # pass $1 etc.	2009	$self->init; # pass $1 etc.
1265	return $self;	2010	return $self;
1266	}	2011	}
1267	}	2012	}
1268		2013
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	2014	Carp::cluck "unable to resolve path '$path' (base '$base')";
1270	()	2015	()
1271	}	2016	}
1272		2017
		2018	# may re-bless or do other evil things
1273	sub init {	2019	sub init {
1274	my ($self) = @_;	2020	my ($self) = @_;
1275		2021
1276	$self	2022	$self
1277	}	2023	}
…		…
1289		2035
1290	# the original (read-only) location	2036	# the original (read-only) location
1291	sub load_path {	2037	sub load_path {
1292	my ($self) = @_;	2038	my ($self) = @_;
1293		2039
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	2040	"$MAPDIR/$self->{path}.map"
1295	}	2041	}
1296		2042
1297	# the temporary/swap location	2043	# the temporary/swap location
1298	sub save_path {	2044	sub save_path {
1299	my ($self) = @_;	2045	my ($self) = @_;
1300		2046
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2047	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	2048	"$TMPDIR/$path.map"
1303	}	2049	}
1304		2050
1305	# the unique path, undef == no special unique path	2051	# the unique path, undef == no special unique path
1306	sub uniq_path {	2052	sub uniq_path {
1307	my ($self) = @_;	2053	my ($self) = @_;
1308		2054
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2055	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	2056	"$UNIQUEDIR/$path"
1311	}	2057	}
1312		2058
1313	# and all this just because we cannot iterate over	2059	sub decay_objects {
1314	# all maps in C++...
1315	sub change_all_map_light {
1316	my ($change) = @_;	2060	my ($self) = @_;
1317		2061
1318	$_->change_map_light ($change)	2062	return if $self->{deny_reset};
1319	for grep $_->outdoor, values %cf::MAP;	2063
		2064	$self->do_decay_objects;
1320	}	2065	}
1321		2066
1322	sub unlink_save {	2067	sub unlink_save {
1323	my ($self) = @_;	2068	my ($self) = @_;
1324		2069
…		…
1329		2074
1330	sub load_header_from($) {	2075	sub load_header_from($) {
1331	my ($self, $path) = @_;	2076	my ($self, $path) = @_;
1332		2077
1333	utf8::encode $path;	2078	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	2079	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	2080	or return;
1339		2081
		2082	$self->_load_header ($f)
		2083	or return;
		2084
		2085	local $MAP_LOADING{$self->{path}} = $self;
		2086	$f->resolve_delayed_derefs;
		2087
1340	$self->{load_path} = $path;	2088	$self->{load_path} = $path;
1341		2089
1342	1	2090	1
1343	}	2091	}
1344		2092
		2093	# used to laod the header of an original map
1345	sub load_header_orig {	2094	sub load_header_orig {
1346	my ($self) = @_;	2095	my ($self) = @_;
1347		2096
1348	$self->load_header_from ($self->load_path)	2097	$self->load_header_from ($self->load_path)
1349	}	2098	}
1350		2099
		2100	# used to laod the header of an instantiated map
1351	sub load_header_temp {	2101	sub load_header_temp {
1352	my ($self) = @_;	2102	my ($self) = @_;
1353		2103
1354	$self->load_header_from ($self->save_path)	2104	$self->load_header_from ($self->save_path)
1355	}	2105	}
1356		2106
		2107	# called after loading the header from an instantiated map
1357	sub prepare_temp {	2108	sub prepare_temp {
1358	my ($self) = @_;	2109	my ($self) = @_;
1359		2110
1360	$self->last_access ((delete $self->{last_access})	2111	$self->last_access ((delete $self->{last_access})
1361	|| $cf::RUNTIME); #d#	2112	|| $cf::RUNTIME); #d#
1362	# safety	2113	# safety
1363	$self->{instantiate_time} = $cf::RUNTIME	2114	$self->{instantiate_time} = $cf::RUNTIME
1364	if $self->{instantiate_time} > $cf::RUNTIME;	2115	if $self->{instantiate_time} > $cf::RUNTIME;
1365	}	2116	}
1366		2117
		2118	# called after loading the header from an original map
1367	sub prepare_orig {	2119	sub prepare_orig {
1368	my ($self) = @_;	2120	my ($self) = @_;
1369		2121
1370	$self->{load_original} = 1;	2122	$self->{load_original} = 1;
1371	$self->{instantiate_time} = $cf::RUNTIME;	2123	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1382	$self->load_header_orig	2134	$self->load_header_orig
1383	or return;	2135	or return;
1384	$self->prepare_orig;	2136	$self->prepare_orig;
1385	}	2137	}
1386		2138
		2139	$self->{deny_reset} = 1
		2140	if $self->no_reset;
		2141
		2142	$self->default_region (cf::region::find_by_path $self->{path})
		2143	unless $self->default_region;
		2144
1387	1	2145	1
1388	}	2146	}
1389		2147
1390	sub find;	2148	sub find;
1391	sub find {	2149	sub find {
1392	my ($path, $origin) = @_;	2150	my ($path, $origin) = @_;
1393		2151
		2152	cf::cede_to_tick;
		2153
1394	$path = normalise $path, $origin && $origin->path;	2154	$path = normalise $path, $origin;
1395		2155
		2156	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	2157	my $guard2 = cf::lock_acquire "map_find:$path";
1397		2158
1398	$cf::MAP{$path} || do {	2159	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";
1400	my $map = new_from_path cf::map $path	2160	my $map = new_from_path cf::map $path
1401	or return;	2161	or return;
1402		2162
1403	$map->{last_save} = $cf::RUNTIME;	2163	$map->{last_save} = $cf::RUNTIME;
1404		2164
1405	$map->load_header	2165	$map->load_header
1406	or return;	2166	or return;
1407		2167
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2168	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	2169	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	2170	#$cf::WAIT_FOR_TICK->wait;
		2171	undef $guard2;
		2172	undef $guard1;
1411	$map->reset;	2173	$map->reset;
1412	undef $guard;
1413	return find $path;	2174	return find $path;
1414	}	2175	}
1415		2176
1416	$cf::MAP{$path} = $map	2177	$cf::MAP{$path} = $map
1417	}	2178	}
1418	}	2179	}
1419		2180
1420	sub pre_load { }	2181	sub pre_load { }
1421	sub post_load { }	2182	#sub post_load { } # XS
1422		2183
1423	sub load {	2184	sub load {
1424	my ($self) = @_;	2185	my ($self) = @_;
1425		2186
1426	local $self->{deny_reset} = 1; # loading can take a long time	2187	local $self->{deny_reset} = 1; # loading can take a long time
1427		2188
1428	my $path = $self->{path};	2189	my $path = $self->{path};
		2190
		2191	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2192	my $guard = cf::lock_acquire "map_data:$path";
1430		2193
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2194	return unless $self->valid;
		2195	return unless $self->state == cf::MAP_SWAPPED;
1432		2196
1433	$self->in_memory (cf::MAP_LOADING);
1434
1435	$self->alloc;	2197	$self->alloc;
1436		2198
1437	$self->pre_load;	2199	$self->pre_load;
		2200	cf::cede_to_tick;
1438		2201
1439	$self->_load_objects ($self->{load_path}, 1)	2202	if (exists $self->{load_path}) {
		2203	my $f = new_from_file cf::object::thawer $self->{load_path};
		2204	$f->skip_block;
		2205	$self->_load_objects ($f)
1440	or return;	2206	or return;
1441		2207
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2208	$self->post_load_original
1443	if delete $self->{load_original};	2209	if delete $self->{load_original};
1444		2210
1445	if (my $uniq = $self->uniq_path) {	2211	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2212	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2213	unless (aio_stat $uniq) {
		2214	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2215	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2216	$self->_load_objects ($f);
		2217	$f->resolve_delayed_derefs;
		2218	}
		2219	}
1450	}	2220	}
1451	}
1452		2221
1453	Coro::cede;	2222	$f->resolve_delayed_derefs;
		2223	} else {
		2224	$self->post_load_original
		2225	if delete $self->{load_original};
		2226	}
1454		2227
		2228	$self->state (cf::MAP_INACTIVE);
		2229
		2230	cf::cede_to_tick;
1455	# now do the right thing for maps	2231	# now do the right thing for maps
1456	$self->link_multipart_objects;	2232	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2233	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2234	unless $self->difficulty;
1466	Coro::cede;	2235	cf::cede_to_tick;
1467	$self->activate;	2236
		2237	unless ($self->{deny_activate}) {
		2238	$self->decay_objects;
		2239	$self->fix_auto_apply;
		2240	$self->update_buttons;
		2241	cf::cede_to_tick;
		2242	#$self->activate; # no longer activate maps automatically
		2243	}
		2244
		2245	$self->{last_save} = $cf::RUNTIME;
		2246	$self->last_access ($cf::RUNTIME);
1468	}	2247	}
1469		2248
1470	$self->post_load;	2249	$self->post_load;
1471		2250
1472	$self->in_memory (cf::MAP_IN_MEMORY);	2251	1
1473	}	2252	}
1474		2253
		2254	# customize the map for a given player, i.e.
		2255	# return the _real_ map. used by e.g. per-player
		2256	# maps to change the path to ~playername/mappath
1475	sub customise_for {	2257	sub customise_for {
1476	my ($self, $ob) = @_;	2258	my ($self, $ob) = @_;
1477		2259
1478	return find "~" . $ob->name . "/" . $self->{path}	2260	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2261	if $self->per_player;
1480		2262
		2263	# return find "?party/" . $ob->name . "/" . $self->{path}
		2264	# if $self->per_party;
		2265
1481	$self	2266	$self
1482	}
1483
1484	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {
1486	my ($map) = @_;
1487
1488	my @diag; # diagonal neighbours
1489
1490	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)
1492	or next;
1493	$neigh = find $neigh, $map
1494	or next;
1495	$neigh->load;
1496
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}
1500
1501	for (@diag) {
1502	my $neigh = find @$_
1503	or next;
1504	$neigh->load;
1505	}
1506	}	2267	}
1507		2268
1508	sub find_sync {	2269	sub find_sync {
1509	my ($path, $origin) = @_;	2270	my ($path, $origin) = @_;
1510		2271
1511	cf::sync_job { find $path, $origin }	2272	# it's a bug to call this from the main context
		2273	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2274	if $Coro::current == $Coro::main;
		2275
		2276	find $path, $origin
1512	}	2277	}
1513		2278
1514	sub do_load_sync {	2279	sub do_load_sync {
1515	my ($map) = @_;	2280	my ($map) = @_;
1516		2281
1517	cf::sync_job { $map->load };	2282	# it's a bug to call this from the main context
		2283	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2284	if $Coro::current == $Coro::main;
		2285
		2286	$map->load;
1518	}	2287	}
1519		2288
1520	our %MAP_PREFETCH;	2289	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2290	our $MAP_PREFETCHER = undef;
1522		2291
1523	sub find_async {	2292	sub find_async {
1524	my ($path, $origin) = @_;	2293	my ($path, $origin, $load) = @_;
1525		2294
1526	$path = normalise $path, $origin && $origin->{path};	2295	$path = normalise $path, $origin;
1527		2296
1528	if (my $map = $cf::MAP{$path}) {	2297	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2298	return $map if !$load || $map->linkable;
1530	}	2299	}
1531		2300
1532	undef $MAP_PREFETCH{$path};	2301	$MAP_PREFETCH{$path} |= $load;
		2302
1533	$MAP_PREFETCHER ||= cf::async {	2303	$MAP_PREFETCHER ||= cf::async {
		2304	$Coro::current->{desc} = "map prefetcher";
		2305
1534	while (%MAP_PREFETCH) {	2306	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2307	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2308	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2309	$map->load if $v;
		2310	}
1539		2311
1540	delete $MAP_PREFETCH{$path};	2312	delete $MAP_PREFETCH{$k};
1541	}	2313	}
1542	}	2314	}
1543	undef $MAP_PREFETCHER;	2315	undef $MAP_PREFETCHER;
1544	};	2316	};
1545	$MAP_PREFETCHER->prio (6);	2317	$MAP_PREFETCHER->prio (6);
1546		2318
1547	()	2319	()
1548	}	2320	}
1549		2321
		2322	# common code, used by both ->save and ->swapout
1550	sub save {	2323	sub _save {
1551	my ($self) = @_;	2324	my ($self) = @_;
1552
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;
1554		2325
1555	$self->{last_save} = $cf::RUNTIME;	2326	$self->{last_save} = $cf::RUNTIME;
1556		2327
1557	return unless $self->dirty;	2328	return unless $self->dirty;
1558		2329
…		…
1564	return if $self->{deny_save};	2335	return if $self->{deny_save};
1565		2336
1566	local $self->{last_access} = $self->last_access;#d#	2337	local $self->{last_access} = $self->last_access;#d#
1567		2338
1568	cf::async {	2339	cf::async {
		2340	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2341	$_->contr->save for $self->players;
1570	};	2342	};
		2343
		2344	cf::get_slot 0.02;
1571		2345
1572	if ($uniq) {	2346	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2347	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2348	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2349	} else {
1576	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2350	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1577	}	2351	}
1578	}	2352	}
1579		2353
		2354	sub save {
		2355	my ($self) = @_;
		2356
		2357	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2358
		2359	$self->_save;
		2360	}
		2361
1580	sub swap_out {	2362	sub swap_out {
1581	my ($self) = @_;	2363	my ($self) = @_;
1582		2364
1583	# save first because save cedes
1584	$self->save;
1585
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2365	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2366
		2367	return if !$self->linkable;
		2368	return if $self->{deny_save};
1588	return if $self->players;	2369	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};
1591		2370
		2371	# first deactivate the map and "unlink" it from the core
		2372	$self->deactivate;
		2373	$_->clear_links_to ($self) for values %cf::MAP;
		2374	$self->state (cf::MAP_SWAPPED);
		2375
		2376	# then atomically save
		2377	$self->_save;
		2378
		2379	# then free the map
1592	$self->clear;	2380	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2381	}
1595		2382
1596	sub reset_at {	2383	sub reset_at {
1597	my ($self) = @_;	2384	my ($self) = @_;
1598		2385
1599	# TODO: safety, remove and allow resettable per-player maps	2386	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2387	return 1e99 if $self->{deny_reset};
1602		2388
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2389	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2390	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2391
…		…
1616	my ($self) = @_;	2402	my ($self) = @_;
1617		2403
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2404	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2405
1620	return if $self->players;	2406	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2407
1623	warn "resetting map ", $self->path;#d#	2408	cf::trace "resetting map ", $self->path, "\n";
1624		2409
1625	$self->in_memory (cf::MAP_SWAPPED);	2410	$self->state (cf::MAP_SWAPPED);
1626		2411
1627	# need to save uniques path	2412	# need to save uniques path
1628	unless ($self->{deny_save}) {	2413	unless ($self->{deny_save}) {
1629	my $uniq = $self->uniq_path; utf8::encode $uniq;	2414	my $uniq = $self->uniq_path; utf8::encode $uniq;
1630		2415
…		…
1632	if $uniq;	2417	if $uniq;
1633	}	2418	}
1634		2419
1635	delete $cf::MAP{$self->path};	2420	delete $cf::MAP{$self->path};
1636		2421
		2422	$self->deactivate;
		2423	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2424	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2425
1641	$self->unlink_save;	2426	$self->unlink_save;
1642	$self->destroy;	2427	$self->destroy;
1643	}	2428	}
1644		2429
1645	my $nuke_counter = "aaaa";	2430	my $nuke_counter = "aaaa";
1646		2431
1647	sub nuke {	2432	sub nuke {
1648	my ($self) = @_;	2433	my ($self) = @_;
1649		2434
		2435	{
		2436	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2437
1650	delete $cf::MAP{$self->path};	2438	delete $cf::MAP{$self->path};
1651		2439
1652	$self->unlink_save;	2440	$self->unlink_save;
1653		2441
1654	bless $self, "cf::map";	2442	bless $self, "cf::map::wrap";
1655	delete $self->{deny_reset};	2443	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2444	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2445	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2446	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2447
1660	$cf::MAP{$self->path} = $self;	2448	$cf::MAP{$self->path} = $self;
		2449	}
1661		2450
1662	$self->reset; # polite request, might not happen	2451	$self->reset; # polite request, might not happen
		2452	}
		2453
		2454	=item $maps = cf::map::tmp_maps
		2455
		2456	Returns an arrayref with all map paths of currently instantiated and saved
		2457	maps. May block.
		2458
		2459	=cut
		2460
		2461	sub tmp_maps() {
		2462	[
		2463	map {
		2464	utf8::decode $_;
		2465	/\.map$/
		2466	? normalise $_
		2467	: ()
		2468	} @{ aio_readdir $TMPDIR or [] }
		2469	]
		2470	}
		2471
		2472	=item $maps = cf::map::random_maps
		2473
		2474	Returns an arrayref with all map paths of currently instantiated and saved
		2475	random maps. May block.
		2476
		2477	=cut
		2478
		2479	sub random_maps() {
		2480	[
		2481	map {
		2482	utf8::decode $_;
		2483	/\.map$/
		2484	? normalise "?random/$_"
		2485	: ()
		2486	} @{ aio_readdir $RANDOMDIR or [] }
		2487	]
1663	}	2488	}
1664		2489
1665	=item cf::map::unique_maps	2490	=item cf::map::unique_maps
1666		2491
1667	Returns an arrayref of paths of all shared maps that have	2492	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2493	instantiated unique items. May block.
1669		2494
1670	=cut	2495	=cut
1671		2496
1672	sub unique_maps() {	2497	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2498	[
1674	or return;	2499	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2500	utf8::decode $_;
1680	next if /\.pst$/;	2501	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2502	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2503	? ()
1683	push @paths, cf::map::normalise $_;	2504	: normalise $_
		2505	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2506	]
1685
1686	\@paths
1687	}	2507	}
1688		2508
1689	package cf;	2509	=item cf::map::static_maps
		2510
		2511	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2512	file in the shared directory excluding F</styles> and F</editor>). May
		2513	block.
		2514
		2515	=cut
		2516
		2517	sub static_maps() {
		2518	my @dirs = "";
		2519	my @maps;
		2520
		2521	while (@dirs) {
		2522	my $dir = shift @dirs;
		2523
		2524	next if $dir eq "/styles" || $dir eq "/editor";
		2525
		2526	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2527	or return;
		2528
		2529	for (@$files) {
		2530	s/\.map$// or next;
		2531	utf8::decode $_;
		2532	push @maps, "$dir/$_";
		2533	}
		2534
		2535	push @dirs, map "$dir/$_", @$dirs;
		2536	}
		2537
		2538	\@maps
		2539	}
1690		2540
1691	=back	2541	=back
1692		2542
1693	=head3 cf::object	2543	=head3 cf::object
1694		2544
…		…
1698		2548
1699	=over 4	2549	=over 4
1700		2550
1701	=item $ob->inv_recursive	2551	=item $ob->inv_recursive
1702		2552
1703	Returns the inventory of the object _and_ their inventories, recursively.	2553	Returns the inventory of the object I<and> their inventories, recursively,
		2554	but I<not> the object itself.
1704		2555
1705	=cut	2556	=cut
1706		2557
1707	sub inv_recursive_;	2558	sub inv_recursive_;
1708	sub inv_recursive_ {	2559	sub inv_recursive_ {
…		…
1711		2562
1712	sub inv_recursive {	2563	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2564	inv_recursive_ inv $_[0]
1714	}	2565	}
1715		2566
		2567	=item $ref = $ob->ref
		2568
		2569	Creates and returns a persistent reference to an object that can be stored as a string.
		2570
		2571	=item $ob = cf::object::deref ($refstring)
		2572
		2573	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2574	even if the object actually exists. May block.
		2575
		2576	=cut
		2577
		2578	sub deref {
		2579	my ($ref) = @_;
		2580
		2581	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2582	my ($uuid, $name) = ($1, $2);
		2583	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2584	or return;
		2585	$pl->ob->uuid eq $uuid
		2586	or return;
		2587
		2588	$pl->ob
		2589	} else {
		2590	warn "$ref: cannot resolve object reference\n";
		2591	undef
		2592	}
		2593	}
		2594
1716	package cf;	2595	package cf;
1717		2596
1718	=back	2597	=back
1719		2598
1720	=head3 cf::object::player	2599	=head3 cf::object::player
…		…
1726	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2605	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1727	can be C<undef>. Does the right thing when the player is currently in a	2606	can be C<undef>. Does the right thing when the player is currently in a
1728	dialogue with the given NPC character.	2607	dialogue with the given NPC character.
1729		2608
1730	=cut	2609	=cut
		2610
		2611	our $SAY_CHANNEL = {
		2612	id => "say",
		2613	title => "Map",
		2614	reply => "say ",
		2615	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2616	};
		2617
		2618	our $CHAT_CHANNEL = {
		2619	id => "chat",
		2620	title => "Chat",
		2621	reply => "chat ",
		2622	tooltip => "Player chat and shouts, global to the server.",
		2623	};
1731		2624
1732	# rough implementation of a future "reply" method that works	2625	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2626	# with dialog boxes.
1734	#TODO: the first argument must go, split into a $npc->reply_to ( method	2627	#TODO: the first argument must go, split into a $npc->reply_to ( method
1735	sub cf::object::player::reply($$$;$) {	2628	sub cf::object::player::reply($$$;$) {
…		…
1737		2630
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2631	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2632
1740	if ($self->{record_replies}) {	2633	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2634	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2635
1742	} else {	2636	} else {
		2637	my $pl = $self->contr;
		2638
		2639	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2640	my $dialog = $pl->{npc_dialog};
		2641	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2642
		2643	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2644	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2645	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2646	}
1745	}	2647	}
		2648	}
		2649
		2650	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2651
		2652	=cut
		2653
		2654	sub cf::object::send_msg {
		2655	my $pl = shift->contr
		2656	or return;
		2657	$pl->send_msg (@_);
1746	}	2658	}
1747		2659
1748	=item $player_object->may ("access")	2660	=item $player_object->may ("access")
1749		2661
1750	Returns wether the given player is authorized to access resource "access"	2662	Returns wether the given player is authorized to access resource "access"
…		…
1763		2675
1764	=item $player_object->enter_link	2676	=item $player_object->enter_link
1765		2677
1766	Freezes the player and moves him/her to a special map (C<{link}>).	2678	Freezes the player and moves him/her to a special map (C<{link}>).
1767		2679
1768	The player should be reasonably safe there for short amounts of time. You	2680	The player should be reasonably safe there for short amounts of time (e.g.
1769	I<MUST> call C<leave_link> as soon as possible, though.	2681	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2682	though, as the player cannot control the character while it is on the link
		2683	map.
1770		2684
1771	Will never block.	2685	Will never block.
1772		2686
1773	=item $player_object->leave_link ($map, $x, $y)	2687	=item $player_object->leave_link ($map, $x, $y)
1774		2688
…		…
1794	sub cf::object::player::enter_link {	2708	sub cf::object::player::enter_link {
1795	my ($self) = @_;	2709	my ($self) = @_;
1796		2710
1797	$self->deactivate_recursive;	2711	$self->deactivate_recursive;
1798		2712
		2713	++$self->{_link_recursion};
		2714
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2715	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2716
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2718	if $self->map && $self->map->{path} ne "{link}";
1803		2719
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2720	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1805	}	2721	}
1806		2722
1807	sub cf::object::player::leave_link {	2723	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2724	my ($self, $map, $x, $y) = @_;
		2725
		2726	return unless $self->contr->active;
1809		2727
1810	my $link_pos = delete $self->{_link_pos};	2728	my $link_pos = delete $self->{_link_pos};
1811		2729
1812	unless ($map) {	2730	unless ($map) {
1813	# restore original map position	2731	# restore original map position
…		…
1824	($x, $y) = (-1, -1)	2742	($x, $y) = (-1, -1)
1825	unless (defined $x) && (defined $y);	2743	unless (defined $x) && (defined $y);
1826		2744
1827	# use -1 or undef as default coordinates, not 0, 0	2745	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2746	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2747	if $x <= 0 && $y <= 0;
1830		2748
1831	$map->load;	2749	$map->load;
1832	$map->load_diag;
1833		2750
1834	return unless $self->contr->active;	2751	return unless $self->contr->active;
1835	$self->activate_recursive;
1836		2752
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2753	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2754	if ($self->enter_map ($map, $x, $y)) {
1839	}	2755	# entering was successful
1840		2756	delete $self->{_link_recursion};
1841	cf::player->attach (	2757	# only activate afterwards, to support waiting in hooks
1842	on_logout => sub {	2758	$self->activate_recursive;
1843	my ($pl) = @_;
1844
1845	# abort map switching before logout
1846	if ($pl->ob->{_link_pos}) {
1847	cf::sync_job {
1848	$pl->ob->leave_link
1849	};
1850	}
1851	},	2759	}
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2760
1855	# try to abort aborted map switching on player login :)	2761	}
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2762
1873	=item $player_object->goto ($path, $x, $y)	2763	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1874		2764
		2765	Moves the player to the given map-path and coordinates by first freezing
		2766	her, loading and preparing them map, calling the provided $check callback
		2767	that has to return the map if sucecssful, and then unfreezes the player on
		2768	the new (success) or old (failed) map position. In either case, $done will
		2769	be called at the end of this process.
		2770
		2771	Note that $check will be called with a potentially non-loaded map, so if
		2772	it needs a loaded map it has to call C<< ->load >>.
		2773
1875	=cut	2774	=cut
		2775
		2776	our $GOTOGEN;
1876		2777
1877	sub cf::object::player::goto {	2778	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2779	my ($self, $path, $x, $y, $check, $done) = @_;
		2780
		2781	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2782	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2783	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2784	($path, $x, $y) = @$EMERGENCY_POSITION;
		2785	}
		2786
		2787	# do generation counting so two concurrent goto's will be executed in-order
		2788	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2789
1880	$self->enter_link;	2790	$self->enter_link;
1881		2791
1882	(async {	2792	(async {
		2793	$Coro::current->{desc} = "player::goto $path $x $y";
		2794
		2795	# *tag paths override both path and x|y
		2796	if ($path =~ /^\*(.*)$/) {
		2797	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2798	my $ob = $obs[rand @obs];
		2799
		2800	# see if we actually can go there
		2801	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2802	$ob = $obs[rand @obs];
		2803	} else {
		2804	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2805	}
		2806	# else put us there anyways for now #d#
		2807
		2808	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2809	} else {
		2810	($path, $x, $y) = (undef, undef, undef);
		2811	}
		2812	}
		2813
1883	my $map = eval {	2814	my $map = eval {
1884	my $map = cf::map::find $path;	2815	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2816
		2817	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2818	$map = $map->customise_for ($self);
		2819	$map = $check->($map, $x, $y, $self) if $check && $map;
		2820	} else {
		2821	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2822	}
		2823
1886	$map	2824	$map
		2825	};
		2826
		2827	if ($@) {
		2828	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2829	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2830	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2831
		2832	if ($gen == $self->{_goto_generation}) {
		2833	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2834	$self->leave_link ($map, $x, $y);
		2835	}
		2836
		2837	$done->($self) if $done;
1891	})->prio (1);	2838	})->prio (1);
1892	}	2839	}
1893		2840
1894	=item $player_object->enter_exit ($exit_object)	2841	=item $player_object->enter_exit ($exit_object)
1895		2842
…		…
1915	}	2862	}
1916		2863
1917	sub prepare_random_map {	2864	sub prepare_random_map {
1918	my ($exit) = @_;	2865	my ($exit) = @_;
1919		2866
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2867	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2868	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2869	# that depends on the exit object
1925		2870
1926	my $rmp = parse_random_map_params $exit->msg;	2871	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2873	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2874	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2875	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2876	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2877	$rmp->{origin_y} = $exit->y;
		2878
		2879	$exit->map->touch;
1933	}	2880	}
1934		2881
1935	$rmp->{random_seed} ||= $exit->random_seed;	2882	$rmp->{random_seed} ||= $exit->random_seed;
1936		2883
1937	my $data = cf::to_json $rmp;	2884	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2885	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2886	my $meta = "$RANDOMDIR/$md5.meta";
1940		2887
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2888	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2889	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2890	undef $fh;
1944	aio_rename "$meta~", $meta;	2891	aio_rename "$meta~", $meta;
1945		2892
		2893	my $slaying = "?random/$md5";
		2894
		2895	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2896	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2897	$exit->msg (undef);
		2898	}
1948	}	2899	}
1949	}	2900	}
1950		2901
1951	sub cf::object::player::enter_exit {	2902	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2903	my ($self, $exit) = @_;
1953		2904
1954	return unless $self->type == cf::PLAYER;	2905	return unless $self->type == cf::PLAYER;
1955		2906
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2907	$self->enter_link;
1966		2908
1967	(async {	2909	(async {
1968	$self->deactivate_recursive; # just to be sure	2910	$Coro::current->{desc} = "enter_exit";
		2911
1969	unless (eval {	2912	unless (eval {
		2913	$self->deactivate_recursive; # just to be sure
		2914
		2915	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2916	my $x = $exit->stats->hp;
		2917	my $y = $exit->stats->sp;
		2918
		2919	# special map handling
		2920	my $slaying = $exit->slaying;
		2921
		2922	# special map handling
		2923	if ($slaying eq "/!") {
		2924	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2925
		2926	prepare_random_map $exit
		2927	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2928
		2929	$map = $exit->slaying;
		2930
		2931	} elsif ($slaying eq '!up') {
		2932	$map = $exit->map->tile_path (cf::TILE_UP);
		2933	$x = $exit->x;
		2934	$y = $exit->y;
		2935
		2936	} elsif ($slaying eq '!down') {
		2937	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2938	$x = $exit->x;
		2939	$y = $exit->y;
		2940	}
		2941
1970	$self->goto ($slaying, $hp, $sp);	2942	$self->goto ($map, $x, $y);
1971		2943
		2944	# if exit is damned, update players death & WoR home-position
		2945	$self->contr->savebed ($map, $x, $y)
		2946	if $exit->flag (cf::FLAG_DAMNED);
		2947
1972	1;	2948	1
1973	}) {	2949	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2950	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "I'll try to bring you back to the map you were before. "	2951	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2952	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2953	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2954
1979	warn "ERROR in enter_exit: $@";	2955	error "ERROR in enter_exit: $@";
1980	$self->leave_link;	2956	$self->leave_link;
1981	}	2957	}
1982	})->prio (1);	2958	})->prio (1);
1983	}	2959	}
1984		2960
…		…
1998		2974
1999	utf8::encode $text;	2975	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2976	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2977	}
2002		2978
		2979	=item $client->send_big_packet ($pkt)
		2980
		2981	Like C<send_packet>, but tries to compress large packets, and fragments
		2982	them as required.
		2983
		2984	=cut
		2985
		2986	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2987
		2988	sub cf::client::send_big_packet {
		2989	my ($self, $pkt) = @_;
		2990
		2991	# try lzf for large packets
		2992	$pkt = "lzf " . Compress::LZF::compress $pkt
		2993	if 1024 <= length $pkt and $self->{can_lzf};
		2994
		2995	# split very large packets
		2996	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2997	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2998	$pkt = "frag";
		2999	}
		3000
		3001	$self->send_packet ($pkt);
		3002	}
		3003
		3004	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3005
		3006	Send a drawinfo or msg packet to the client, formatting the msg for the
		3007	client if neccessary. C<$type> should be a string identifying the type of
		3008	the message, with C<log> being the default. If C<$color> is negative, suppress
		3009	the message unless the client supports the msg packet.
		3010
		3011	=cut
		3012
		3013	# non-persistent channels (usually the info channel)
		3014	our %CHANNEL = (
		3015	"c/motd" => {
		3016	id => "infobox",
		3017	title => "MOTD",
		3018	reply => undef,
		3019	tooltip => "The message of the day",
		3020	},
		3021	"c/identify" => {
		3022	id => "infobox",
		3023	title => "Identify",
		3024	reply => undef,
		3025	tooltip => "Items recently identified",
		3026	},
		3027	"c/examine" => {
		3028	id => "infobox",
		3029	title => "Examine",
		3030	reply => undef,
		3031	tooltip => "Signs and other items you examined",
		3032	},
		3033	"c/shopinfo" => {
		3034	id => "infobox",
		3035	title => "Shop Info",
		3036	reply => undef,
		3037	tooltip => "What your bargaining skill tells you about the shop",
		3038	},
		3039	"c/book" => {
		3040	id => "infobox",
		3041	title => "Book",
		3042	reply => undef,
		3043	tooltip => "The contents of a note or book",
		3044	},
		3045	"c/lookat" => {
		3046	id => "infobox",
		3047	title => "Look",
		3048	reply => undef,
		3049	tooltip => "What you saw there",
		3050	},
		3051	"c/who" => {
		3052	id => "infobox",
		3053	title => "Players",
		3054	reply => undef,
		3055	tooltip => "Shows players who are currently online",
		3056	},
		3057	"c/body" => {
		3058	id => "infobox",
		3059	title => "Body Parts",
		3060	reply => undef,
		3061	tooltip => "Shows which body parts you posess and are available",
		3062	},
		3063	"c/statistics" => {
		3064	id => "infobox",
		3065	title => "Statistics",
		3066	reply => undef,
		3067	tooltip => "Shows your primary statistics",
		3068	},
		3069	"c/skills" => {
		3070	id => "infobox",
		3071	title => "Skills",
		3072	reply => undef,
		3073	tooltip => "Shows your experience per skill and item power",
		3074	},
		3075	"c/shopitems" => {
		3076	id => "infobox",
		3077	title => "Shop Items",
		3078	reply => undef,
		3079	tooltip => "Shows the items currently for sale in this shop",
		3080	},
		3081	"c/resistances" => {
		3082	id => "infobox",
		3083	title => "Resistances",
		3084	reply => undef,
		3085	tooltip => "Shows your resistances",
		3086	},
		3087	"c/pets" => {
		3088	id => "infobox",
		3089	title => "Pets",
		3090	reply => undef,
		3091	tooltip => "Shows information abotu your pets/a specific pet",
		3092	},
		3093	"c/perceiveself" => {
		3094	id => "infobox",
		3095	title => "Perceive Self",
		3096	reply => undef,
		3097	tooltip => "You gained detailed knowledge about yourself",
		3098	},
		3099	"c/uptime" => {
		3100	id => "infobox",
		3101	title => "Uptime",
		3102	reply => undef,
		3103	tooltip => "How long the server has been running since last restart",
		3104	},
		3105	"c/mapinfo" => {
		3106	id => "infobox",
		3107	title => "Map Info",
		3108	reply => undef,
		3109	tooltip => "Information related to the maps",
		3110	},
		3111	"c/party" => {
		3112	id => "party",
		3113	title => "Party",
		3114	reply => "gsay ",
		3115	tooltip => "Messages and chat related to your party",
		3116	},
		3117	"c/death" => {
		3118	id => "death",
		3119	title => "Death",
		3120	reply => undef,
		3121	tooltip => "Reason for and more info about your most recent death",
		3122	},
		3123	"c/say" => $SAY_CHANNEL,
		3124	"c/chat" => $CHAT_CHANNEL,
		3125	);
		3126
		3127	sub cf::client::send_msg {
		3128	my ($self, $channel, $msg, $color, @extra) = @_;
		3129
		3130	$msg = $self->pl->expand_cfpod ($msg)
		3131	unless $color & cf::NDI_VERBATIM;
		3132
		3133	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3134
		3135	# check predefined channels, for the benefit of C
		3136	if ($CHANNEL{$channel}) {
		3137	$channel = $CHANNEL{$channel};
		3138
		3139	$self->ext_msg (channel_info => $channel);
		3140	$channel = $channel->{id};
		3141
		3142	} elsif (ref $channel) {
		3143	# send meta info to client, if not yet sent
		3144	unless (exists $self->{channel}{$channel->{id}}) {
		3145	$self->{channel}{$channel->{id}} = $channel;
		3146	$self->ext_msg (channel_info => $channel);
		3147	}
		3148
		3149	$channel = $channel->{id};
		3150	}
		3151
		3152	return unless @extra || length $msg;
		3153
		3154	# default colour, mask it out
		3155	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3156	if $color & cf::NDI_DEF;
		3157
		3158	my $pkt = "msg "
		3159	. $self->{json_coder}->encode (
		3160	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3161	);
		3162
		3163	$self->send_big_packet ($pkt);
		3164	}
		3165
		3166	=item $client->ext_msg ($type, @msg)
		3167
		3168	Sends an ext event to the client.
		3169
		3170	=cut
		3171
		3172	sub cf::client::ext_msg($$@) {
		3173	my ($self, $type, @msg) = @_;
		3174
		3175	if ($self->extcmd == 2) {
		3176	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3177	} elsif ($self->extcmd == 1) { # TODO: remove
		3178	push @msg, msgtype => "event_$type";
		3179	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3180	}
		3181	}
		3182
		3183	=item $client->ext_reply ($msgid, @msg)
		3184
		3185	Sends an ext reply to the client.
		3186
		3187	=cut
		3188
		3189	sub cf::client::ext_reply($$@) {
		3190	my ($self, $id, @msg) = @_;
		3191
		3192	return unless $self->extcmd == 2;
		3193
		3194	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3195	}
2003		3196
2004	=item $success = $client->query ($flags, "text", \&cb)	3197	=item $success = $client->query ($flags, "text", \&cb)
2005		3198
2006	Queues a query to the client, calling the given callback with	3199	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3200	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3201	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		3202
2010	Queries can fail, so check the return code. Or don't, as queries will become	3203	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	3204	become reliable at some point in the future.
2012		3205
2013	=cut	3206	=cut
2014		3207
2015	sub cf::client::query {	3208	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	3209	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	3217	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3218	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		3219
2027	$self->send_packet ($self->{query_queue}[0][0])	3220	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	3221	if @{ $self->{query_queue} } == 1;
		3222
		3223	1
2029	}	3224	}
2030		3225
2031	cf::client->attach (	3226	cf::client->attach (
		3227	on_connect => sub {
		3228	my ($ns) = @_;
		3229
		3230	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3231	},
2032	on_reply => sub {	3232	on_reply => sub {
2033	my ($ns, $msg) = @_;	3233	my ($ns, $msg) = @_;
2034		3234
2035	# this weird shuffling is so that direct followup queries	3235	# this weird shuffling is so that direct followup queries
2036	# get handled first	3236	# get handled first
…		…
2048	} else {	3248	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3249	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	3250	}
2051	}	3251	}
2052	},	3252	},
		3253	on_exticmd => sub {
		3254	my ($ns, $buf) = @_;
		3255
		3256	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3257
		3258	if (ref $msg) {
		3259	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3260
		3261	my @reply;
		3262
		3263	if (my $cb = $EXTICMD{$type}) {
		3264	@reply = $cb->($ns, @payload);
		3265	}
		3266
		3267	$ns->ext_reply ($reply, @reply)
		3268	if $reply;
		3269
		3270	} else {
		3271	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3272	}
		3273
		3274	cf::override;
		3275	},
2053	);	3276	);
2054		3277
2055	=item $client->async (\&cb)	3278	=item $client->async (\&cb)
2056		3279
2057	Create a new coroutine, running the specified callback. The coroutine will	3280	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073		3296
2074	$coro	3297	$coro
2075	}	3298	}
2076		3299
2077	cf::client->attach (	3300	cf::client->attach (
2078	on_destroy => sub {	3301	on_client_destroy => sub {
2079	my ($ns) = @_;	3302	my ($ns) = @_;
2080		3303
2081	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3304	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2082	},	3305	},
2083	);	3306	);
…		…
2098	our $safe = new Safe "safe";	3321	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3322	our $safe_hole = new Safe::Hole;
2100		3323
2101	$SIG{FPE} = 'IGNORE';	3324	$SIG{FPE} = 'IGNORE';
2102		3325
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3326	$safe->permit_only (Opcode::opset qw(
		3327	:base_core :base_mem :base_orig :base_math :base_loop
		3328	grepstart grepwhile mapstart mapwhile
		3329	sort time
		3330	));
2104		3331
2105	# here we export the classes and methods available to script code	3332	# here we export the classes and methods available to script code
2106		3333
2107	=pod	3334	=pod
2108		3335
2109	The following fucntions and emthods are available within a safe environment:	3336	The following functions and methods are available within a safe environment:
2110		3337
2111	cf::object contr pay_amount pay_player map	3338	cf::object
		3339	contr pay_amount pay_player map x y force_find force_add destroy
		3340	insert remove name archname title slaying race decrease split
		3341	value
		3342
2112	cf::object::player player	3343	cf::object::player
2113	cf::player peaceful	3344	player
2114	cf::map trigger	3345
		3346	cf::player
		3347	peaceful
		3348
		3349	cf::map
		3350	trigger
2115		3351
2116	=cut	3352	=cut
2117		3353
2118	for (	3354	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	3355	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3356	insert remove inv nrof name archname title slaying race
		3357	decrease split destroy change_exp value msg lore send_msg)],
2120	["cf::object::player" => qw(player)],	3358	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3359	["cf::player" => qw(peaceful send_msg)],
2122	["cf::map" => qw(trigger)],	3360	["cf::map" => qw(trigger)],
2123	) {	3361	) {
2124	no strict 'refs';
2125	my ($pkg, @funs) = @$_;	3362	my ($pkg, @funs) = @$_;
2126	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3363	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2127	for @funs;	3364	for @funs;
2128	}	3365	}
2129		3366
…		…
2144		3381
2145	my $qcode = $code;	3382	my $qcode = $code;
2146	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3383	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2147	$qcode =~ s/\n/\\n/g;	3384	$qcode =~ s/\n/\\n/g;
2148		3385
		3386	%vars = (_dummy => 0) unless %vars;
		3387
		3388	my @res;
2149	local $_;	3389	local $_;
2150	local @safe::cf::_safe_eval_args = values %vars;
2151		3390
2152	my $eval =	3391	my $eval =
2153	"do {\n"	3392	"do {\n"
2154	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3393	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2155	. "#line 0 \"{$qcode}\"\n"	3394	. "#line 0 \"{$qcode}\"\n"
2156	. $code	3395	. $code
2157	. "\n}"	3396	. "\n}"
2158	;	3397	;
2159		3398
		3399	if ($CFG{safe_eval}) {
2160	sub_generation_inc;	3400	sub_generation_inc;
		3401	local @safe::cf::_safe_eval_args = values %vars;
2161	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3402	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2162	sub_generation_inc;	3403	sub_generation_inc;
		3404	} else {
		3405	local @cf::_safe_eval_args = values %vars;
		3406	@res = wantarray ? eval eval : scalar eval $eval;
		3407	}
2163		3408
2164	if ($@) {	3409	if ($@) {
2165	warn "$@";	3410	warn "$@",
2166	warn "while executing safe code '$code'\n";	3411	"while executing safe code '$code'\n",
2167	warn "with arguments " . (join " ", %vars) . "\n";	3412	"with arguments " . (join " ", %vars) . "\n";
2168	}	3413	}
2169		3414
2170	wantarray ? @res : $res[0]	3415	wantarray ? @res : $res[0]
2171	}	3416	}
2172		3417
…		…
2186	=cut	3431	=cut
2187		3432
2188	sub register_script_function {	3433	sub register_script_function {
2189	my ($fun, $cb) = @_;	3434	my ($fun, $cb) = @_;
2190		3435
2191	no strict 'refs';	3436	$fun = "safe::$fun" if $CFG{safe_eval};
2192	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3437	*$fun = $safe_hole->wrap ($cb);
2193	}	3438	}
2194		3439
2195	=back	3440	=back
2196		3441
2197	=cut	3442	=cut
2198
2199	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270		3443
2271	#############################################################################	3444	#############################################################################
2272	# the server's init and main functions	3445	# the server's init and main functions
2273		3446
2274	sub load_faces {	3447	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3448	my ($path) = @_;
2276		3449
		3450	# HACK to clear player env face cache, we need some signal framework
		3451	# for this (global event?)
		3452	%ext::player_env::MUSIC_FACE_CACHE = ();
		3453
		3454	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3455
2277	warn "loading faces from $path\n";	3456	trace "loading facedata from $path\n";
2278		3457
2279	my $faces;	3458	my $facedata = decode_storable load_file $path;
2280	0 < aio_load $path, $faces
2281	or die "$path: $!";
2282		3459
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;
2285	Coro::cede;
2286
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	3460	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	3461	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		3462
		3463	# patch in the exptable
		3464	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3465	$facedata->{resource}{"res/exp_table"} = {
		3466	type => FT_RSRC,
		3467	data => $exp_table,
		3468	hash => (Digest::MD5::md5 $exp_table),
		3469	};
		3470	cf::cede_to_tick;
		3471
		3472	{
		3473	my $faces = $facedata->{faceinfo};
		3474
2291	while (my ($face, $info) = each %$faces) {	3475	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3476	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3477
		3478	cf::face::set_visibility $idx, $info->{visibility};
		3479	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3480	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2295	Coro::cede;	3481	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2296	}	3482	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
2297		3483
		3484	cf::cede_to_tick;
		3485	}
		3486
2298	while (my ($face, $info) = each %$faces) {	3487	while (my ($face, $info) = each %$faces) {
2299	next unless $info->{smooth};	3488	next unless $info->{smooth};
		3489
2300	my $idx = cf::face::find $face	3490	my $idx = cf::face::find $face
		3491	or next;
		3492
		3493	if (my $smooth = cf::face::find $info->{smooth}) {
		3494	cf::face::set_smooth $idx, $smooth;
		3495	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3496	} else {
		3497	error "smooth face '$info->{smooth}' not found for face '$face'";
		3498	}
		3499
		3500	cf::cede_to_tick;
		3501	}
		3502	}
		3503
		3504	{
		3505	my $anims = $facedata->{animinfo};
		3506
		3507	while (my ($anim, $info) = each %$anims) {
		3508	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3509	cf::cede_to_tick;
		3510	}
		3511
		3512	cf::anim::invalidate_all; # d'oh
		3513	}
		3514
		3515	{
		3516	my $res = $facedata->{resource};
		3517
		3518	while (my ($name, $info) = each %$res) {
		3519	if (defined (my $type = delete $info->{type})) {
		3520	# TODO: different hash - must free and use new index, or cache ixface data queue
		3521	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3522
		3523	cf::face::set_data $idx, 0, delete $info->{data}, delete $info->{hash};
		3524	cf::face::set_type $idx, $type;
		3525	cf::face::set_meta $idx, (keys %$info && (~$type & 1)) ? $info : undef; # any keys left are stashed into meta unless prepended
		3526	} else {
		3527	# $RESOURCE{$name} = $info; # unused
		3528	}
		3529
		3530	cf::cede_to_tick;
		3531	}
		3532	}
		3533
		3534	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3535
		3536	1
		3537	}
		3538
		3539	register_exticmd fx_want => sub {
		3540	my ($ns, $want) = @_;
		3541
		3542	while (my ($k, $v) = each %$want) {
		3543	$ns->fx_want ($k, $v);
		3544	}
		3545	};
		3546
		3547	sub load_resource_file($) {
		3548	my $guard = lock_acquire "load_resource_file";
		3549
		3550	my $status = load_resource_file_ $_[0];
		3551	get_slot 0.1, 100;
		3552	cf::arch::commit_load;
		3553
		3554	$status
		3555	}
		3556
		3557	sub reload_regions {
		3558	# HACK to clear player env face cache, we need some signal framework
		3559	# for this (global event?)
		3560	%ext::player_env::MUSIC_FACE_CACHE = ();
		3561
		3562	load_resource_file "$MAPDIR/regions"
		3563	or die "unable to load regions file\n";
		3564
		3565	for (cf::region::list) {
		3566	$_->{match} = qr/$_->{match}/
		3567	if exists $_->{match};
		3568	}
		3569	}
		3570
		3571	sub reload_facedata {
		3572	load_facedata "$DATADIR/facedata"
		3573	or die "unable to load facedata\n";
		3574	}
		3575
		3576	sub reload_archetypes {
		3577	load_resource_file "$DATADIR/archetypes"
		3578	or die "unable to load archetypes\n";
		3579	}
		3580
		3581	sub reload_treasures {
		3582	load_resource_file "$DATADIR/treasures"
		3583	or die "unable to load treasurelists\n";
		3584	}
		3585
		3586	sub reload_sound {
		3587	trace "loading sound config from $DATADIR/sound\n";
		3588
		3589	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3590
		3591	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3592	my $sound = $soundconf->{compat}[$_]
2301	or next;	3593	or next;
2302	if (my $smooth = cf::face::find $info->{smooth}) {
2303	cf::face::set_smooth $idx, $smooth;
2304	} else {
2305	warn "smooth face '$info->{smooth}' not found for face '$face'";
2306	}
2307	Coro::cede;
2308	}
2309		3594
		3595	my $face = cf::face::find "sound/$sound->[1]";
		3596	cf::sound::set $sound->[0] => $face;
		3597	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2310	1	3598	}
		3599
		3600	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3601	my $face = cf::face::find "sound/$v";
		3602	cf::sound::set $k => $face;
		3603	}
2311	}	3604	}
2312		3605
2313	sub reload_resources {	3606	sub reload_resources {
2314	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3607	trace "reloading resource files...\n";
2315	or die "unable to load regions file\n";#d#	3608
		3609	reload_exp_table;
		3610	reload_materials;
2316	load_faces	3611	reload_facedata;
2317	or die "unable to load faces\n";#d#	3612	reload_sound;
2318	}	3613	reload_archetypes;
2319
2320	sub init {
2321	reload_resources;	3614	reload_regions;
2322	}	3615	reload_treasures;
2323		3616
2324	sub cfg_load {	3617	trace "finished reloading resource files\n";
2325	open my $fh, "<:utf8", cf::confdir . "/config"	3618	}
2326	or return;
2327		3619
2328	local $/;	3620	sub reload_config {
2329	*CFG = YAML::Syck::Load <$fh>;	3621	trace "reloading config file...\n";
2330		3622
		3623	my $config = load_file "$CONFDIR/config";
		3624	utf8::decode $config;
		3625	*CFG = decode_yaml $config;
		3626
2331	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3627	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2332		3628
2333	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3629	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2334	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3630	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2335		3631
2336	if (exists $CFG{mlockall}) {	3632	if (exists $CFG{mlockall}) {
…		…
2340	};	3636	};
2341	warn $@ if $@;	3637	warn $@ if $@;
2342	}	3638	}
2343	}	3639	}
2344		3640
		3641	sub pidfile() {
		3642	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3643	or die "$PIDFILE: $!";
		3644	flock $fh, &Fcntl::LOCK_EX
		3645	or die "$PIDFILE: flock: $!";
		3646	$fh
		3647	}
		3648
		3649	# make sure only one server instance is running at any one time
		3650	sub atomic {
		3651	my $fh = pidfile;
		3652
		3653	my $pid = <$fh>;
		3654	kill 9, $pid if $pid > 0;
		3655
		3656	seek $fh, 0, 0;
		3657	print $fh $$;
		3658	}
		3659
		3660	sub main_loop {
		3661	trace "EV::loop starting\n";
		3662	if (1) {
		3663	EV::loop;
		3664	}
		3665	trace "EV::loop returned\n";
		3666	goto &main_loop unless $REALLY_UNLOOP;
		3667	}
		3668
2345	sub main {	3669	sub main {
		3670	cf::init_globals; # initialise logging
		3671
		3672	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3673	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3674	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3675	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3676
		3677	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3678
2346	# we must not ever block the main coroutine	3679	# we must not ever block the main coroutine
2347	local $Coro::idle = sub {	3680	local $Coro::idle = sub {
2348	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3681	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2349	(async {	3682	(async {
2350	Event::one_event;	3683	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3684	EV::loop EV::LOOP_ONESHOT;
2351	})->prio (Coro::PRIO_MAX);	3685	})->prio (Coro::PRIO_MAX);
2352	};	3686	};
2353		3687
2354	cfg_load;	3688	evthread_start IO::AIO::poll_fileno;
		3689
		3690	cf::sync_job {
		3691	cf::incloader::init ();
		3692
		3693	cf::init_anim;
		3694	cf::init_attackmess;
		3695	cf::init_dynamic;
		3696
		3697	cf::load_settings;
		3698
		3699	reload_resources;
		3700	reload_config;
2355	db_init;	3701	db_init;
		3702
		3703	cf::init_uuid;
		3704	cf::init_signals;
		3705	cf::init_skills;
		3706
		3707	cf::init_beforeplay;
		3708
		3709	atomic;
		3710
2356	load_extensions;	3711	load_extensions;
2357		3712
2358	$TICK_WATCHER->start;	3713	utime time, time, $RUNTIMEFILE;
2359	Event::loop;	3714
		3715	# no (long-running) fork's whatsoever before this point(!)
		3716	use POSIX ();
		3717	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3718
		3719	cf::_post_init 0;
		3720	};
		3721
		3722	cf::object::thawer::errors_are_fatal 0;
		3723	info "parse errors in files are no longer fatal from this point on.\n";
		3724
		3725	AE::postpone {
		3726	undef &main; # free gobs of memory :)
		3727	};
		3728
		3729	goto &main_loop;
2360	}	3730	}
2361		3731
2362	#############################################################################	3732	#############################################################################
2363	# initialisation and cleanup	3733	# initialisation and cleanup
2364		3734
2365	# install some emergency cleanup handlers	3735	# install some emergency cleanup handlers
2366	BEGIN {	3736	BEGIN {
		3737	our %SIGWATCHER = ();
2367	for my $signal (qw(INT HUP TERM)) {	3738	for my $signal (qw(INT HUP TERM)) {
2368	Event->signal (	3739	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2369	reentrant => 0,
2370	data => WF_AUTOCANCEL,
2371	signal => $signal,
2372	prio => 0,
2373	cb => sub {
2374	cf::cleanup "SIG$signal";	3740	cf::cleanup "SIG$signal";
2375	},
2376	);	3741	};
		3742	}
		3743	}
		3744
		3745	sub write_runtime_sync {
		3746	my $t0 = AE::time;
		3747
		3748	# first touch the runtime file to show we are still running:
		3749	# the fsync below can take a very very long time.
		3750
		3751	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3752
		3753	my $guard = cf::lock_acquire "write_runtime";
		3754
		3755	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3756	or return;
		3757
		3758	my $value = $cf::RUNTIME + 90 + 10;
		3759	# 10 is the runtime save interval, for a monotonic clock
		3760	# 60 allows for the watchdog to kill the server.
		3761
		3762	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3763	and return;
		3764
		3765	# always fsync - this file is important
		3766	aio_fsync $fh
		3767	and return;
		3768
		3769	# touch it again to show we are up-to-date
		3770	aio_utime $fh, undef, undef;
		3771
		3772	close $fh
		3773	or return;
		3774
		3775	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3776	and return;
		3777
		3778	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3779
2377	}	3780	1
		3781	}
		3782
		3783	our $uuid_lock;
		3784	our $uuid_skip;
		3785
		3786	sub write_uuid_sync($) {
		3787	$uuid_skip ||= $_[0];
		3788
		3789	return if $uuid_lock;
		3790	local $uuid_lock = 1;
		3791
		3792	my $uuid = "$LOCALDIR/uuid";
		3793
		3794	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3795	or return;
		3796
		3797	my $value = uuid_seq uuid_cur;
		3798
		3799	unless ($value) {
		3800	info "cowardly refusing to write zero uuid value!\n";
		3801	return;
		3802	}
		3803
		3804	my $value = uuid_str $value + $uuid_skip;
		3805	$uuid_skip = 0;
		3806
		3807	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3808	and return;
		3809
		3810	# always fsync - this file is important
		3811	aio_fsync $fh
		3812	and return;
		3813
		3814	close $fh
		3815	or return;
		3816
		3817	aio_rename "$uuid~", $uuid
		3818	and return;
		3819
		3820	trace "uuid file written ($value).\n";
		3821
		3822	1
		3823
		3824	}
		3825
		3826	sub write_uuid($$) {
		3827	my ($skip, $sync) = @_;
		3828
		3829	$sync ? write_uuid_sync $skip
		3830	: async { write_uuid_sync $skip };
2378	}	3831	}
2379		3832
2380	sub emergency_save() {	3833	sub emergency_save() {
2381	my $freeze_guard = cf::freeze_mainloop;	3834	my $freeze_guard = cf::freeze_mainloop;
2382		3835
2383	warn "enter emergency perl save\n";	3836	info "emergency_perl_save: enter\n";
		3837
		3838	# this is a trade-off: we want to be very quick here, so
		3839	# save all maps without fsync, and later call a global sync
		3840	# (which in turn might be very very slow)
		3841	local $USE_FSYNC = 0;
2384		3842
2385	cf::sync_job {	3843	cf::sync_job {
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
2386	# use a peculiar iteration method to avoid tripping on perl	3846	# use a peculiar iteration method to avoid tripping on perl
2387	# refcount bugs in for. also avoids problems with players	3847	# refcount bugs in for. also avoids problems with players
2388	# and maps saved/destroyed asynchronously.	3848	# and maps saved/destroyed asynchronously.
2389	warn "begin emergency player save\n";	3849	info "emergency_perl_save: begin player save\n";
2390	for my $login (keys %cf::PLAYER) {	3850	for my $login (keys %cf::PLAYER) {
2391	my $pl = $cf::PLAYER{$login} or next;	3851	my $pl = $cf::PLAYER{$login} or next;
2392	$pl->valid or next;	3852	$pl->valid or next;
		3853	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2393	$pl->save;	3854	$pl->save;
2394	}	3855	}
2395	warn "end emergency player save\n";	3856	info "emergency_perl_save: end player save\n";
2396		3857
2397	warn "begin emergency map save\n";	3858	cf::write_runtime_sync; # external watchdog should not bark
		3859
		3860	info "emergency_perl_save: begin map save\n";
2398	for my $path (keys %cf::MAP) {	3861	for my $path (keys %cf::MAP) {
2399	my $map = $cf::MAP{$path} or next;	3862	my $map = $cf::MAP{$path} or next;
2400	$map->valid or next;	3863	$map->valid or next;
2401	$map->save;	3864	$map->save;
2402	}	3865	}
2403	warn "end emergency map save\n";	3866	info "emergency_perl_save: end map save\n";
2404		3867
2405	warn "begin emergency database checkpoint\n";	3868	cf::write_runtime_sync; # external watchdog should not bark
		3869
		3870	info "emergency_perl_save: begin database checkpoint\n";
2406	BDB::db_env_txn_checkpoint $DB_ENV;	3871	BDB::db_env_txn_checkpoint $DB_ENV;
2407	warn "end emergency database checkpoint\n";	3872	info "emergency_perl_save: end database checkpoint\n";
		3873
		3874	info "emergency_perl_save: begin write uuid\n";
		3875	write_uuid_sync 1;
		3876	info "emergency_perl_save: end write uuid\n";
		3877
		3878	cf::write_runtime_sync; # external watchdog should not bark
		3879
		3880	trace "emergency_perl_save: syncing database to disk";
		3881	BDB::db_env_txn_checkpoint $DB_ENV;
		3882
		3883	info "emergency_perl_save: starting sync\n";
		3884	IO::AIO::aio_sync sub {
		3885	info "emergency_perl_save: finished sync\n";
		3886	};
		3887
		3888	cf::write_runtime_sync; # external watchdog should not bark
		3889
		3890	trace "emergency_perl_save: flushing outstanding aio requests";
		3891	while (IO::AIO::nreqs || BDB::nreqs) {
		3892	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3893	}
		3894
		3895	cf::write_runtime_sync; # external watchdog should not bark
2408	};	3896	};
2409		3897
2410	warn "leave emergency perl save\n";	3898	info "emergency_perl_save: leave\n";
2411	}	3899	}
2412		3900
2413	sub post_cleanup {	3901	sub post_cleanup {
2414	my ($make_core) = @_;	3902	my ($make_core) = @_;
2415		3903
		3904	IO::AIO::flush;
		3905
2416	warn Carp::longmess "post_cleanup backtrace"	3906	error Carp::longmess "post_cleanup backtrace"
2417	if $make_core;	3907	if $make_core;
2418	}
2419		3908
		3909	my $fh = pidfile;
		3910	unlink $PIDFILE if <$fh> == $$;
		3911	}
		3912
		3913	# a safer delete_package, copied from Symbol
		3914	sub clear_package($) {
		3915	my $pkg = shift;
		3916
		3917	# expand to full symbol table name if needed
		3918	unless ($pkg =~ /^main::.*::$/) {
		3919	$pkg = "main$pkg" if $pkg =~ /^::/;
		3920	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3921	$pkg .= '::' unless $pkg =~ /::$/;
		3922	}
		3923
		3924	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3925	my $stem_symtab = *{$stem}{HASH};
		3926
		3927	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3928	or return;
		3929
		3930	# clear all symbols
		3931	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3932	for my $name (keys %$leaf_symtab) {
		3933	_gv_clear *{"$pkg$name"};
		3934	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3935	}
		3936	}
		3937
2420	sub reload() {	3938	sub do_reload_perl() {
2421	# can/must only be called in main	3939	# can/must only be called in main
2422	if ($Coro::current != $Coro::main) {	3940	unless (in_main) {
2423	warn "can only reload from main coroutine";	3941	error "can only reload from main coroutine";
2424	return;	3942	return;
2425	}	3943	}
2426		3944
2427	warn "reloading...";	3945	return if $RELOAD++;
2428		3946
2429	warn "entering sync_job";	3947	my $t1 = AE::time;
2430		3948
		3949	while ($RELOAD) {
		3950	cf::get_slot 0.1, -1, "reload_perl";
		3951	info "perl_reload: reloading...";
		3952
		3953	trace "perl_reload: entering sync_job";
		3954
2431	cf::sync_job {	3955	cf::sync_job {
2432	cf::write_runtime; # external watchdog should not bark
2433	cf::emergency_save;	3956	#cf::emergency_save;
2434	cf::write_runtime; # external watchdog should not bark
2435		3957
2436	warn "syncing database to disk";
2437	BDB::db_env_txn_checkpoint $DB_ENV;
2438
2439	# if anything goes wrong in here, we should simply crash as we already saved
2440
2441	warn "cancelling all WF_AUTOCANCEL watchers";
2442	for (Event::all_watchers) {
2443	$_->cancel if $_->data & WF_AUTOCANCEL;
2444	}
2445
2446	warn "flushing outstanding aio requests";
2447	for (;;) {
2448	BDB::flush;
2449	IO::AIO::flush;
2450	Coro::cede;
2451	last unless IO::AIO::nreqs || BDB::nreqs;
2452	warn "iterate...";
2453	}
2454
2455	++$RELOAD;
2456
2457	warn "cancelling all extension coros";	3958	trace "perl_reload: cancelling all extension coros";
2458	$_->cancel for values %EXT_CORO;	3959	$_->cancel for values %EXT_CORO;
2459	%EXT_CORO = ();	3960	%EXT_CORO = ();
2460		3961
2461	warn "removing commands";	3962	trace "perl_reload: removing commands";
2462	%COMMAND = ();	3963	%COMMAND = ();
2463		3964
2464	warn "removing ext commands";	3965	trace "perl_reload: removing ext/exti commands";
2465	%EXTCMD = ();	3966	%EXTCMD = ();
		3967	%EXTICMD = ();
2466		3968
2467	warn "unloading/nuking all extensions";	3969	trace "perl_reload: unloading/nuking all extensions";
2468	for my $pkg (@EXTS) {	3970	for my $pkg (@EXTS) {
2469	warn "... unloading $pkg";	3971	trace "... unloading $pkg";
2470		3972
2471	if (my $cb = $pkg->can ("unload")) {	3973	if (my $cb = $pkg->can ("unload")) {
2472	eval {	3974	eval {
2473	$cb->($pkg);	3975	$cb->($pkg);
2474	1	3976	1
2475	} or warn "$pkg unloaded, but with errors: $@";	3977	} or error "$pkg unloaded, but with errors: $@";
		3978	}
		3979
		3980	trace "... clearing $pkg";
		3981	clear_package $pkg;
2476	}	3982	}
2477		3983
2478	warn "... nuking $pkg";
2479	Symbol::delete_package $pkg;
2480	}
2481
2482	warn "unloading all perl modules loaded from $LIBDIR";	3984	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2483	while (my ($k, $v) = each %INC) {	3985	while (my ($k, $v) = each %INC) {
2484	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3986	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2485		3987
2486	warn "... unloading $k";	3988	trace "... unloading $k";
2487	delete $INC{$k};	3989	delete $INC{$k};
2488		3990
2489	$k =~ s/\.pm$//;	3991	$k =~ s/\.pm$//;
2490	$k =~ s/\//::/g;	3992	$k =~ s/\//::/g;
2491		3993
2492	if (my $cb = $k->can ("unload_module")) {	3994	if (my $cb = $k->can ("unload_module")) {
2493	$cb->();	3995	$cb->();
		3996	}
		3997
		3998	clear_package $k;
2494	}	3999	}
2495		4000
2496	Symbol::delete_package $k;
2497	}
2498
2499	warn "getting rid of safe::, as good as possible";	4001	trace "perl_reload: getting rid of safe::, as good as possible";
2500	Symbol::delete_package "safe::$_"	4002	clear_package "safe::$_"
2501	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4003	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2502		4004
2503	warn "unloading cf.pm \"a bit\"";	4005	trace "perl_reload: unloading cf.pm \"a bit\"";
2504	delete $INC{"cf.pm"};	4006	delete $INC{"cf.pm"};
		4007	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2505		4008
2506	# don't, removes xs symbols, too,	4009	# don't, removes xs symbols, too,
2507	# and global variables created in xs	4010	# and global variables created in xs
2508	#Symbol::delete_package __PACKAGE__;	4011	#clear_package __PACKAGE__;
2509		4012
2510	warn "unload completed, starting to reload now";	4013	info "perl_reload: unload completed, starting to reload now";
2511		4014
2512	warn "reloading cf.pm";	4015	trace "perl_reload: reloading cf.pm";
2513	require cf;	4016	require cf;
2514	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4017	cf::_connect_to_perl_1;
2515		4018
2516	warn "loading config and database again";	4019	trace "perl_reload: loading config and database again";
2517	cf::cfg_load;	4020	cf::reload_config;
2518		4021
2519	warn "loading extensions";	4022	trace "perl_reload: loading extensions";
2520	cf::load_extensions;	4023	cf::load_extensions;
2521		4024
		4025	if ($REATTACH_ON_RELOAD) {
2522	warn "reattaching attachments to objects/players";	4026	trace "perl_reload: reattaching attachments to objects/players";
2523	_global_reattach; # objects, sockets	4027	_global_reattach; # objects, sockets
2524	warn "reattaching attachments to maps";	4028	trace "perl_reload: reattaching attachments to maps";
2525	reattach $_ for values %MAP;	4029	reattach $_ for values %MAP;
2526	warn "reattaching attachments to players";	4030	trace "perl_reload: reattaching attachments to players";
2527	reattach $_ for values %PLAYER;	4031	reattach $_ for values %PLAYER;
		4032	}
2528		4033
2529	warn "loading reloadable resources";	4034	cf::_post_init 1;
2530	reload_resources;
2531		4035
2532	warn "leaving sync_job";	4036	trace "perl_reload: leaving sync_job";
2533		4037
2534	1	4038	1
2535	} or do {	4039	} or do {
2536	warn $@;	4040	error $@;
2537	warn "error while reloading, exiting.";	4041	cf::cleanup "perl_reload: error, exiting.";
2538	exit 1;	4042	};
		4043
		4044	--$RELOAD;
		4045	}
		4046
		4047	$t1 = AE::time - $t1;
		4048	info "perl_reload: completed in ${t1}s\n";
		4049	};
		4050
		4051	our $RELOAD_WATCHER; # used only during reload
		4052
		4053	sub reload_perl() {
		4054	# doing reload synchronously and two reloads happen back-to-back,
		4055	# coro crashes during coro_state_free->destroy here.
		4056
		4057	$RELOAD_WATCHER ||= cf::async {
		4058	Coro::AIO::aio_wait cache_extensions;
		4059
		4060	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4061	do_reload_perl;
		4062	undef $RELOAD_WATCHER;
		4063	};
2539	};	4064	};
2540		4065	}
2541	warn "reloaded";
2542	};
2543
2544	our $RELOAD_WATCHER; # used only during reload
2545		4066
2546	register_command "reload" => sub {	4067	register_command "reload" => sub {
2547	my ($who, $arg) = @_;	4068	my ($who, $arg) = @_;
2548		4069
2549	if ($who->flag (FLAG_WIZ)) {	4070	if ($who->flag (FLAG_WIZ)) {
2550	$who->message ("reloading server.");	4071	$who->message ("reloading server.");
2551		4072	async {
2552	# doing reload synchronously and two reloads happen back-to-back,	4073	$Coro::current->{desc} = "perl_reload";
2553	# coro crashes during coro_state_free->destroy here.
2554
2555	$RELOAD_WATCHER ||= Event->timer (
2556	reentrant => 0,
2557	after => 0,
2558	data => WF_AUTOCANCEL,
2559	cb => sub {
2560	reload;	4074	reload_perl;
2561	undef $RELOAD_WATCHER;
2562	},
2563	);	4075	};
2564	}	4076	}
2565	};	4077	};
2566		4078
2567	unshift @INC, $LIBDIR;	4079	#############################################################################
2568		4080
2569	my $bug_warning = 0;	4081	my $bug_warning = 0;
2570		4082
2571	$TICK_WATCHER = Event->timer (	4083	sub wait_for_tick() {
2572	reentrant => 0,	4084	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2573	parked => 1,	4085
2574	prio => 0,	4086	$WAIT_FOR_TICK->wait;
2575	at => $NEXT_TICK || $TICK,	4087	}
2576	data => WF_AUTOCANCEL,	4088
2577	cb => sub {	4089	sub wait_for_tick_begin() {
		4090	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
		4091
		4092	my $signal = new Coro::Signal;
		4093	push @WAIT_FOR_TICK_BEGIN, $signal;
		4094	$signal->wait;
		4095	}
		4096
		4097	sub tick {
2578	if ($Coro::current != $Coro::main) {	4098	if ($Coro::current != $Coro::main) {
2579	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4099	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2580	unless ++$bug_warning > 10;	4100	unless ++$bug_warning > 10;
2581	return;	4101	return;
2582	}	4102	}
2583		4103
2584	$NOW = Event::time;	4104	cf::one_tick; # one server iteration
2585		4105
2586	cf::server_tick; # one server iteration	4106	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2587	$RUNTIME += $TICK;
2588	$NEXT_TICK += $TICK;
2589		4107
2590	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4108	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2591	$NEXT_RUNTIME_WRITE = $NOW + 10;	4109	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2592	Coro::async_pool {	4110	Coro::async_pool {
		4111	$Coro::current->{desc} = "runtime saver";
2593	write_runtime	4112	write_runtime_sync
2594	or warn "ERROR: unable to write runtime file: $!";	4113	or error "ERROR: unable to write runtime file: $!";
2595	};
2596	}	4114	};
		4115	}
2597		4116
		4117	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4118	$sig->send;
		4119	}
2598	$WAIT_FOR_TICK->broadcast;	4120	$WAIT_FOR_TICK->broadcast;
2599	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2600		4121
2601	# my $AFTER = Event::time;	4122	$LOAD = ($NOW - $TICK_START) / $TICK;
2602	# warn $AFTER - $NOW;#d#	4123	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2603		4124
2604	# if we are delayed by four ticks or more, skip them all	4125	if (0) {
2605	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4126	if ($NEXT_TICK) {
2606		4127	my $jitter = $TICK_START - $NEXT_TICK;
2607	$TICK_WATCHER->at ($NEXT_TICK);	4128	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
2608	$TICK_WATCHER->start;	4129	debug "jitter $JITTER\n";#d#
		4130	}
2609	},	4131	}
2610	);	4132	}
2611		4133
2612	{	4134	{
2613	BDB::max_poll_time $TICK * 0.1;	4135	# configure BDB
2614	$BDB_POLL_WATCHER = Event->io (	4136
2615	reentrant => 0,
2616	fd => BDB::poll_fileno,
2617	poll => 'r',
2618	prio => 0,
2619	data => WF_AUTOCANCEL,
2620	cb => \&BDB::poll_cb,
2621	);
2622	BDB::min_parallel 8;	4137	BDB::min_parallel 16;
2623		4138	BDB::max_poll_reqs $TICK * 0.1;
2624	BDB::set_sync_prepare {	4139	#$AnyEvent::BDB::WATCHER->priority (1);
2625	my $status;
2626	my $current = $Coro::current;
2627	(
2628	sub {
2629	$status = $!;
2630	$current->ready; undef $current;
2631	},
2632	sub {
2633	Coro::schedule while defined $current;
2634	$! = $status;
2635	},
2636	)
2637	};
2638		4140
2639	unless ($DB_ENV) {	4141	unless ($DB_ENV) {
2640	$DB_ENV = BDB::db_env_create;	4142	$DB_ENV = BDB::db_env_create;
		4143	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4144	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4145	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4146	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4147	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2641		4148
2642	cf::sync_job {	4149	cf::sync_job {
2643	eval {	4150	eval {
2644	BDB::db_env_open	4151	BDB::db_env_open
2645	$DB_ENV,	4152	$DB_ENV,
2646	$BDB_ENV_DIR,	4153	$BDBDIR,
2647	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4154	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2648	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4155	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2649	0666;	4156	0666;
2650		4157
2651	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	4158	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2652
2653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2654	$DB_ENV->set_lk_detect;
2655	};	4159	};
2656		4160
2657	cf::cleanup "db_env_open(db): $@" if $@;	4161	cf::cleanup "db_env_open(db): $@" if $@;
2658	};	4162	};
2659	}	4163	}
		4164
		4165	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4166	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4167	};
		4168	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4169	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4170	};
		4171	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4172	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4173	};
2660	}	4174	}
2661		4175
2662	{	4176	{
		4177	# configure IO::AIO
		4178
2663	IO::AIO::min_parallel 8;	4179	IO::AIO::min_parallel 8;
2664
2665	undef $Coro::AIO::WATCHER;
2666	IO::AIO::max_poll_time $TICK * 0.1;	4180	IO::AIO::max_poll_time $TICK * 0.1;
2667	$AIO_POLL_WATCHER = Event->io (	4181	undef $AnyEvent::AIO::WATCHER;
2668	reentrant => 0,
2669	data => WF_AUTOCANCEL,
2670	fd => IO::AIO::poll_fileno,
2671	poll => 'r',
2672	prio => 6,
2673	cb => \&IO::AIO::poll_cb,
2674	);
2675	}	4182	}
		4183
		4184	our $_log_backtrace;
		4185	our $_log_backtrace_last;
		4186
		4187	sub _log_backtrace {
		4188	my ($msg, @addr) = @_;
		4189
		4190	$msg =~ s/\n$//;
		4191
		4192	if ($_log_backtrace_last eq $msg) {
		4193	LOG llevInfo, "[ABT] $msg\n";
		4194	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4195	# limit the # of concurrent backtraces
		4196	} elsif ($_log_backtrace < 2) {
		4197	$_log_backtrace_last = $msg;
		4198	++$_log_backtrace;
		4199	my $perl_bt = Carp::longmess $msg;
		4200	async {
		4201	$Coro::current->{desc} = "abt $msg";
		4202
		4203	my @bt = fork_call {
		4204	@addr = map { sprintf "%x", $_ } @addr;
		4205	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4206	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4207	or die "addr2line: $!";
		4208
		4209	my @funcs;
		4210	my @res = <$fh>;
		4211	chomp for @res;
		4212	while (@res) {
		4213	my ($func, $line) = splice @res, 0, 2, ();
		4214	push @funcs, "[$func] $line";
		4215	}
		4216
		4217	@funcs
		4218	};
		4219
		4220	LOG llevInfo, "[ABT] $perl_bt\n";
		4221	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4222	LOG llevInfo, "[ABT] $_\n" for @bt;
		4223	--$_log_backtrace;
		4224	};
		4225	} else {
		4226	LOG llevInfo, "[ABT] $msg\n";
		4227	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4228	}
		4229	}
		4230
		4231	# load additional modules
		4232	require "cf/$_.pm" for @EXTRA_MODULES;
		4233	cf::_connect_to_perl_2;
2676		4234
2677	END { cf::emergency_save }	4235	END { cf::emergency_save }
2678		4236
2679	1	4237	1
2680		4238

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