ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.275 by root, Thu Jun 7 19:12:22 2007 UTC vs.
Revision 1.584 by root, Tue Oct 30 17:07:50 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 Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 3.61 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
24		52
		53	use JSON::XS 2.01 ();
25	use BDB ();	54	use BDB ();
26	use Data::Dumper;	55	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	56	use Fcntl;
29	use YAML::Syck ();	57	use YAML::XS ();
30	use IO::AIO 2.32 ();	58	use IO::AIO ();
31	use Time::HiRes;	59	use Time::HiRes;
32	use Compress::LZF;	60	use Compress::LZF;
		61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
33		64
34	# configure various modules to our taste	65	# configure various modules to our taste
35	#	66	#
36	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		75
40	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
41		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		78
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
48		82
49	our %COMMAND = ();	83	our %COMMAND = ();
50	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
51		85
52	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
56		91
57	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
59		96
60	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
61	our $DATADIR = datadir;	99	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
65	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
71		120
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	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	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		135
		136	our $UPTIME; $UPTIME ||= time;
		137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
77	our $NOW;	139	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		140
80	our $BDB_POLL_WATCHER;	141	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	142	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
91		144
92	# used to convert map paths into valid unix filenames by replacing / by ∕	145	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		147
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	151	our $TICK_START; # for load detecting purposes
		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
98		160
99	binmode STDOUT;	161	binmode STDOUT;
100	binmode STDERR;	162	binmode STDERR;
101		163
102	# read virtual server time, if available	164	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	166	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
107	}	169	}
		170
		171	eval "sub TICK() { $TICK } 1" or die;
108		172
109	mkdir $_	173	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		175
112	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
113		177
114	sub cf::map::normalise;	178	sub cf::map::normalise;
115		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
116	#############################################################################	184	#############################################################################
117		185
		186	%REFLECT = ();
		187	for (@REFLECT) {
		188	my $reflect = JSON::XS::decode_json $_;
		189	$REFLECT{$reflect->{class}} = $reflect;
		190	}
		191
		192	# this is decidedly evil
		193	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		194
		195	#############################################################################
		196
118	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
119		198
120	=over 4	199	=over 4
121		200
122	=item $cf::UPTIME	201	=item $cf::UPTIME
123		202
124	The timestamp of the server start (so not actually an uptime).	203	The timestamp of the server start (so not actually an "uptime").
		204
		205	=item $cf::SERVER_TICK
		206
		207	An unsigned integer that starts at zero when the server is started and is
		208	incremented on every tick.
		209
		210	=item $cf::NOW
		211
		212	The (real) time of the last (current) server tick - updated before and
		213	after tick processing, so this is useful only as a rough "what time is it
		214	now" estimate.
		215
		216	=item $cf::TICK
		217
		218	The interval between each server tick, in seconds.
125		219
126	=item $cf::RUNTIME	220	=item $cf::RUNTIME
127		221
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	222	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	223	every server tick.
…		…
135	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
138	database environment.	232	database environment.
139		233
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	234	=item $cf::LOADAVG
149		235
150	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
155		241
156	The raw value load value from the last tick.	242	The raw value load value from the last tick.
157		243
158	=item %cf::CFG	244	=item %cf::CFG
159		245
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	247	from wherever your confdir points to.
162		248
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		250
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
		272	=item @cf::INVOKE_RESULTS
		273
		274	This array contains the results of the last C<invoke ()> call. When
		275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		276	that call.
		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
		283
169	=back	284	=back
170		285
171	=cut	286	=cut
172		287
173	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	289	sub warn (@) { LOG llevWarn , join "", @_ }
		290	sub info (@) { LOG llevInfo , join "", @_ }
		291	sub debug(@) { LOG llevDebug, join "", @_ }
		292	sub trace(@) { LOG llevTrace, join "", @_ }
		293
		294	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	295	my $msg = join "", @_;
176		296
177	$msg .= "\n"	297	$msg .= "\n"
178	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
179		299
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		301
182	utf8::encode $msg;
183	LOG llevError, $msg;	302	LOG llevWarn, $msg;
184	};	303	};
185	}	304
		305	$Coro::State::DIEHOOK = sub {
		306	return unless $^S eq 0; # "eq", not "=="
		307
		308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
		311	error "DIEHOOK called in main context, Coro bug?\n";#d#
		312	return;#d#
		313	}#d#
		314
		315	# kill coroutine otherwise
		316	Coro::terminate
		317	};
186		318
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	329	for my $pkg (qw(
198	cf::global cf::attachable	330	cf::global cf::attachable
199	cf::object cf::object::player	331	cf::object cf::object::player
200	cf::client cf::player	332	cf::client cf::player
201	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
202	cf::map cf::party cf::region	335	cf::party cf::region
203	)) {	336	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	338	}
207		339
208	$Event::DIED = sub {	340	$EV::DIED = sub {
209	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
210	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
		348
		349	#############################################################################
211		350
212	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
213		352
214	=over 4	353	=over 4
215		354
…		…
234	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
235	$d	374	$d
236	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
237	}	376	}
238		377
239	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	378	=item $scalar = cf::load_file $path
240		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($path, $data, $sync) = @_;
		401
		402	my $lock = cf::lock_acquire ("replace_file:$path");
		403
		404	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		405	or return;
		406
		407	$data = $data->() if ref $data;
		408
		409	length $data == aio_write $fh, 0, (length $data), $data, 0
		410	or return;
		411
		412	!$sync
		413	or !aio_fsync $fh
		414	or return;
		415
		416	aio_close $fh
		417	and return;
		418
		419	aio_rename "$path~", $path
		420	and return;
		421
		422	if ($sync) {
		423	$path =~ s%/[^/]*$%%;
		424	aio_pathsync $path;
		425	}
		426
		427	1
		428	}
		429
241	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
242		431
243	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
244		433
245	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
246		435
247	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
248		437
		438	=cut
		439
		440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		441
		442	sub encode_json($) { $json_coder->encode ($_[0]) }
		443	sub decode_json($) { $json_coder->decode ($_[0]) }
		444
		445	=item $ref = cf::decode_storable $scalar
		446
		447	Same as Coro::Storable::thaw, so blocks.
		448
		449	=cut
		450
		451	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		452
		453	=item $ref = cf::decode_yaml $scalar
		454
		455	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		456
		457	=cut
		458
		459	sub decode_yaml($) {
		460	fork_call { YAML::XS::Load $_[0] } @_
		461	}
		462
		463	=item $scalar = cf::unlzf $scalar
		464
		465	Same as Compress::LZF::compress, but takes server ticks into account, so
		466	blocks.
		467
		468	=cut
		469
		470	sub unlzf($) {
		471	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		472	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		473	Compress::LZF::decompress $_[0]
		474	}
		475
		476	=item cf::post_init { BLOCK }
		477
		478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		479	but I<before> the server starts ticking again.
		480
		481	The codeblock will have a single boolean argument to indicate whether this
		482	is a reload or not.
		483
		484	=cut
		485
		486	sub post_init(&) {
		487	push @POST_INIT, shift;
		488	}
		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
		505	}
		506
249	=item cf::lock_wait $string	507	=item cf::lock_wait $string
250		508
251	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
252		510
253	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
254		512
255	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
256	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
257	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
258	returned.	516	returned.
259		517
		518	Locks are *not* recursive, locking from the same coro twice results in a
		519	deadlocked coro.
		520
260	Lock names should begin with a unique identifier (for example, cf::map::find	521	Lock names should begin with a unique identifier (for example, cf::map::find
261	uses map_find and cf::map::load uses map_load).	522	uses map_find and cf::map::load uses map_load).
262		523
263	=item $locked = cf::lock_active $string	524	=item $locked = cf::lock_active $string
264		525
265	Return true if the lock is currently active, i.e. somebody has locked it.	526	Return true if the lock is currently active, i.e. somebody has locked it.
266		527
267	=cut	528	=cut
268		529
269	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
270		531
271	sub lock_wait($) {	532	sub lock_wait($) {
272	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
273
274	# wait for lock, if any
275	while ($LOCK{$key}) {
276	push @{ $LOCK{$key} }, $Coro::current;
277	Coro::schedule;
278	}
279	}	534	}
280		535
281	sub lock_acquire($) {	536	sub lock_acquire($) {
282	my ($key) = @_;	537	$LOCKS->guard ($_[0])
283
284	# wait, to be sure we are not locked
285	lock_wait $key;
286
287	$LOCK{$key} = [];
288
289	Coro::guard {
290	# wake up all waiters, to be on the safe side
291	$_->ready for @{ delete $LOCK{$key} };
292	}
293	}	538	}
294		539
295	sub lock_active($) {	540	sub lock_active($) {
296	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
297
298	! ! $LOCK{$key}
299	}	542	}
300		543
301	sub freeze_mainloop {	544	sub freeze_mainloop {
302	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
303		546
304	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
305	$TICK_WATCHER->start;	548	}
		549
		550	=item cf::periodic $interval, $cb
		551
		552	Like EV::periodic, but randomly selects a starting point so that the actions
		553	get spread over time.
		554
		555	=cut
		556
		557	sub periodic($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
		563	}
		564
		565	=item cf::get_slot $time[, $priority[, $name]]
		566
		567	Allocate $time seconds of blocking CPU time at priority C<$priority>
		568	(default: 0): This call blocks and returns only when you have at least
		569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
		574
		575	The optional C<$name> can be used to identify the job to run. It might be
		576	used for statistical purposes and should identify the same time-class.
		577
		578	Useful for short background jobs.
		579
		580	=cut
		581
		582	our @SLOT_QUEUE;
		583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
		585
		586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		587	$SLOT_QUEUE = Coro::async {
		588	$Coro::current->desc ("timeslot manager");
		589
		590	my $signal = new Coro::Signal;
		591	my $busy;
		592
		593	while () {
		594	next_job:
		595
		596	my $avail = cf::till_tick;
		597
		598	for (0 .. $#SLOT_QUEUE) {
		599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
		601	my $job = splice @SLOT_QUEUE, $_, 1, ();
		602	$job->[2]->send;
		603	Coro::cede;
		604	goto next_job;
		605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		607	}
		608	}
		609
		610	if (@SLOT_QUEUE) {
		611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		612	$WAIT_FOR_TICK->wait;
		613	} else {
		614	$busy = 0;
		615	Coro::schedule;
		616	}
306	};	617	}
307	$TICK_WATCHER->stop;	618	};
308	$guard	619
		620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
		623	my ($time, $pri, $name) = @_;
		624
		625	$time = clamp $time, 0.01, $TICK * .6;
		626
		627	my $sig = new Coro::Signal;
		628
		629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		631	$SLOT_QUEUE->ready;
		632	$sig->wait;
309	}	633	}
310		634
311	=item cf::async { BLOCK }	635	=item cf::async { BLOCK }
312		636
313	Currently the same as Coro::async_pool, meaning you cannot use	637	Currently the same as Coro::async_pool, meaning you cannot use
…		…
318		642
319	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
320		644
321	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
322		646
323	The design of crossfire+ requires that the main coro ($Coro::main) is	647	The design of Deliantra requires that the main coroutine ($Coro::main)
324	always able to handle events or runnable, as crossfire+ is only partly	648	is always able to handle events or runnable, as Deliantra is only
325	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		650	acceptable.
326		651
327	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
328	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
329	server will be frozen during this time, so the block should either finish	654	server will be frozen during this time, so the block should either finish
330	fast or be very important.	655	fast or be very important.
…		…
332	=cut	657	=cut
333		658
334	sub sync_job(&) {	659	sub sync_job(&) {
335	my ($job) = @_;	660	my ($job) = @_;
336		661
337	if ($Coro::current == $Coro::main) {	662	if (in_main) {
338	my $time = Event::time;	663	my $time = AE::time;
339		664
340	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
341	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
342		667
343	# TODO: use suspend/resume instead	668	#LOG llevError, Carp::longmess "sync job";#d#
344	# (but this is cancel-safe)	669
345	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
346		671
347	my $busy = 1;	672	my $busy = 1;
348	my @res;	673	my @res;
349		674
350	(async {	675	(async {
		676	$Coro::current->desc ("sync job coro");
351	@res = eval { $job->() };	677	@res = eval { $job->() };
352	warn $@ if $@;	678	error $@ if $@;
353	undef $busy;	679	undef $busy;
354	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
355		681
356	while ($busy) {	682	while ($busy) {
357	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
358	}	687	}
		688	}
359		689
360	$time = Event::time - $time;	690	my $time = AE::time - $time;
361		691
362	LOG llevError | logBacktrace, Carp::longmess "long sync job"
363	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
364
365	$tick_start += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
366		693
367	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
368	} else {	695	} else {
369	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
370		697
…		…
390	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
391		718
392	$coro	719	$coro
393	}	720	}
394		721
395	sub write_runtime {	722	=item fork_call { }, @args
396	my $runtime = "$LOCALDIR/runtime";
397		723
398	# first touch the runtime file to show we are still running:	724	Executes the given code block with the given arguments in a seperate
399	# the fsync below can take a very very long time.	725	process, returning the results. Everything must be serialisable with
		726	Coro::Storable. May, of course, block. Note that the executed sub may
		727	never block itself or use any form of event handling.
400		728
401	IO::AIO::aio_utime $runtime, undef, undef;	729	=cut
402		730
403	my $guard = cf::lock_acquire "write_runtime";	731	sub post_fork {
		732	reset_signals;
		733	}
404		734
405	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	735	sub fork_call(&@) {
406	or return;	736	my ($cb, @args) = @_;
407		737
408	my $value = $cf::RUNTIME + 90 + 10;	738	# we seemingly have to make a local copy of the whole thing,
409	# 10 is the runtime save interval, for a monotonic clock	739	# otherwise perl prematurely frees the stuff :/
410	# 60 allows for the watchdog to kill the server.	740	# TODO: investigate and fix (likely this will be rather laborious)
411		741
412	(aio_write $fh, 0, (length $value), $value, 0) <= 0	742	my @res = Coro::Util::fork_eval {
413	and return;	743	cf::post_fork;
		744	&$cb
		745	} @args;
414		746
415	# always fsync - this file is important	747	wantarray ? @res : $res[-1]
416	aio_fsync $fh	748	}
417	and return;
418		749
419	# touch it again to show we are up-to-date	750	sub objinfo {
420	aio_utime $fh, undef, undef;
421
422	close $fh
423	or return;
424
425	aio_rename "$runtime~", $runtime
426	and return;
427
428	warn "runtime file written.\n";
429
430	1	751	(
		752	"counter value" => cf::object::object_count,
		753	"objects created" => cf::object::create_count,
		754	"objects destroyed" => cf::object::destroy_count,
		755	"freelist size" => cf::object::free_count,
		756	"allocated objects" => cf::object::objects_size,
		757	"active objects" => cf::object::actives_size,
		758	)
		759	}
		760
		761	=item $coin = coin_from_name $name
		762
		763	=cut
		764
		765	our %coin_alias = (
		766	"silver" => "silvercoin",
		767	"silvercoin" => "silvercoin",
		768	"silvercoins" => "silvercoin",
		769	"gold" => "goldcoin",
		770	"goldcoin" => "goldcoin",
		771	"goldcoins" => "goldcoin",
		772	"platinum" => "platinacoin",
		773	"platinumcoin" => "platinacoin",
		774	"platinumcoins" => "platinacoin",
		775	"platina" => "platinacoin",
		776	"platinacoin" => "platinacoin",
		777	"platinacoins" => "platinacoin",
		778	"royalty" => "royalty",
		779	"royalties" => "royalty",
		780	);
		781
		782	sub coin_from_name($) {
		783	$coin_alias{$_[0]}
		784	? cf::arch::find $coin_alias{$_[0]}
		785	: undef
		786	}
		787
		788	=item $value = cf::db_get $family => $key
		789
		790	Returns a single value from the environment database.
		791
		792	=item cf::db_put $family => $key => $value
		793
		794	Stores the given C<$value> in the family. It can currently store binary
		795	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		796
		797	=item $db = cf::db_table "name"
		798
		799	Create and/or open a new database table. The string must not be "db" and must be unique
		800	within each server.
		801
		802	=cut
		803
		804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
		808	my ($name) = @_;
		809	my $db = BDB::db_create $DB_ENV;
		810
		811	eval {
		812	$db->set_flags (BDB::CHKSUM);
		813
		814	utf8::encode $name;
		815	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		816	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		817	cf::cleanup "db_open(db): $!" if $!;
		818	};
		819	cf::cleanup "db_open(db): $@" if $@;
		820
		821	$db
		822	}
		823
		824	our $DB;
		825
		826	sub db_init {
		827	$DB ||= db_table "db";
		828	}
		829
		830	sub db_get($$) {
		831	my $key = "$_[0]/$_[1]";
		832
		833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
		836	BDB::db_get $DB, undef, $key, my $data;
		837
		838	$! ? ()
		839	: $data
		840	}
		841
		842	sub db_put($$$) {
		843	BDB::dbreq_pri 4;
		844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		845	}
		846
		847	=item cf::cache $id => [$paths...], $processversion => $process
		848
		849	Generic caching function that returns the value of the resource $id,
		850	caching and regenerating as required.
		851
		852	This function can block.
		853
		854	=cut
		855
		856	sub cache {
		857	my ($id, $src, $processversion, $process) = @_;
		858
		859	my $meta =
		860	join "\x00",
		861	$processversion,
		862	map {
		863	aio_stat $_
		864	and Carp::croak "$_: $!";
		865
		866	($_, (stat _)[7,9])
		867	} @$src;
		868
		869	my $dbmeta = db_get cache => "$id/meta";
		870	if ($dbmeta ne $meta) {
		871	# changed, we may need to process
		872
		873	my @data;
		874	my $md5;
		875
		876	for (0 .. $#$src) {
		877	$data[$_] = load_file $src->[$_];
		878	}
		879
		880	# if processing is expensive, check
		881	# checksum first
		882	if (1) {
		883	$md5 =
		884	join "\x00",
		885	$processversion,
		886	map {
		887	cf::cede_to_tick;
		888	($src->[$_], Digest::MD5::md5_hex $data[$_])
		889	} 0.. $#$src;
		890
		891
		892	my $dbmd5 = db_get cache => "$id/md5";
		893	if ($dbmd5 eq $md5) {
		894	db_put cache => "$id/meta", $meta;
		895
		896	return db_get cache => "$id/data";
		897	}
		898	}
		899
		900	my $t1 = Time::HiRes::time;
		901	my $data = $process->(\@data);
		902	my $t2 = Time::HiRes::time;
		903
		904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		905
		906	db_put cache => "$id/data", $data;
		907	db_put cache => "$id/md5" , $md5;
		908	db_put cache => "$id/meta", $meta;
		909
		910	return $data;
		911	}
		912
		913	db_get cache => "$id/data"
431	}	914	}
432		915
433	=item cf::datalog type => key => value, ...	916	=item cf::datalog type => key => value, ...
434		917
435	Log a datalog packet of the given type with the given key-value pairs.	918	Log a datalog packet of the given type with the given key-value pairs.
436		919
437	=cut	920	=cut
438		921
439	sub datalog($@) {	922	sub datalog($@) {
440	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
441	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
442	}	925	}
443		926
444	=back	927	=back
445		928
446	=cut	929	=cut
447		930
448	#############################################################################	931	#############################################################################
449		932
450	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
451		934
452	Many objects in crossfire are so-called attachable objects. That means you can	935	Many objects in deliantra are so-called attachable objects. That means you can
453	attach callbacks/event handlers (a collection of which is called an "attachment")	936	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
455		938
456	In the following description, CLASS can be any of C<global>, C<object>	939	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	940	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	941	Deliantra).
459		942
460	=over 4	943	=over 4
461		944
462	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
463		946
…		…
507	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
508		991
509	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
510	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
511		994
512	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
513	that are attached at load/instantiate time, thus the need for a name.	996	that are attached at load/instantiate time, thus the need for a name.
514		997
515	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
516		999
517	=over 4	1000	=over 4
…		…
641		1124
642	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
643	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
644		1127
645	} elsif (ref $type) {	1128	} elsif (ref $type) {
646	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
647		1130
648	} else {	1131	} else {
649	shift @arg;	1132	shift @arg;
650	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
651	}	1134	}
652	}	1135	}
653	}	1136	}
654		1137
655	sub _object_attach {	1138	sub _object_attach {
…		…
665	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
666	}	1149	}
667		1150
668	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
669	} else {	1152	} else {
670	warn "object uses attachment '$name' that is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
671	}	1154	}
672		1155
673	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
674	}	1157	}
675		1158
…		…
715	";	1198	";
716	die if $@;	1199	die if $@;
717	}	1200	}
718		1201
719	our $override;	1202	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1203	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1204
722	sub override {	1205	sub override {
723	$override = 1;	1206	$override = 1;
724	@invoke_results = ();	1207	@INVOKE_RESULTS = (@_);
725	}	1208	}
726		1209
727	sub do_invoke {	1210	sub do_invoke {
728	my $event = shift;	1211	my $event = shift;
729	my $callbacks = shift;	1212	my $callbacks = shift;
730		1213
731	@invoke_results = ();	1214	@INVOKE_RESULTS = ();
732		1215
733	local $override;	1216	local $override;
734		1217
735	for (@$callbacks) {	1218	for (@$callbacks) {
736	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
737		1220
738	if ($@) {	1221	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1223	override;
742	}	1224	}
743		1225
744	return 1 if $override;	1226	return 1 if $override;
745	}	1227	}
746		1228
747	0	1229	0
748	}	1230	}
749		1231
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1233
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1235
754	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
755		1237
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1238	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1239	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1240	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1241
760	=back	1242	=back
761		1243
762	=cut	1244	=cut
763		1245
764	#############################################################################	1246	#############################################################################
765	# object support	1247	# object support
		1248
		1249	sub _object_equal($$);
		1250	sub _object_equal($$) {
		1251	my ($a, $b) = @_;
		1252
		1253	return 0 unless (ref $a) eq (ref $b);
		1254
		1255	if ("HASH" eq ref $a) {
		1256	my @ka = keys %$a;
		1257	my @kb = keys %$b;
		1258
		1259	return 0 if @ka != @kb;
		1260
		1261	for (0 .. $#ka) {
		1262	return 0 unless $ka[$_] eq $kb[$_];
		1263	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1264	}
		1265
		1266	} elsif ("ARRAY" eq ref $a) {
		1267
		1268	return 0 if @$a != @$b;
		1269
		1270	for (0 .. $#$a) {
		1271	return 0 unless _object_equal $a->[$_], $b->[$_];
		1272	}
		1273
		1274	} elsif ($a ne $b) {
		1275	return 0;
		1276	}
		1277
		1278	1
		1279	}
		1280
		1281	our $SLOW_MERGES;#d#
		1282	sub _can_merge {
		1283	my ($ob1, $ob2) = @_;
		1284
		1285	++$SLOW_MERGES;#d#
		1286
		1287	# we do the slow way here
		1288	return _object_equal $ob1, $ob2
		1289	}
766		1290
767	sub reattach {	1291	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1293	my ($obj) = @_;
770		1294
		1295	# no longer needed after getting rid of delete_package?
771	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1296	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772		1297
773	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
774		1299
775	@$registry = ();	1300	@$registry = ();
776		1301
…		…
781	for (@$attach) {	1306	for (@$attach) {
782	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
783	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
784	}	1309	}
785	} else {	1310	} else {
786	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
787	}	1312	}
788	}	1313	}
789	}	1314	}
790		1315
791	cf::attachable->attach (	1316	cf::attachable->attach (
792	prio => -1000000,	1317	prio => -1000000,
793	on_instantiate => sub {	1318	on_instantiate => sub {
794	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
795		1320
796	$data = from_json $data;	1321	$data = decode_json $data;
797		1322
798	for (@$data) {	1323	for (@$data) {
799	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
800		1325
801	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
817	sub object_freezer_save {	1342	sub object_freezer_save {
818	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
819		1344
820	sync_job {	1345	sync_job {
821	if (length $$rdata) {	1346	if (length $$rdata) {
		1347	utf8::decode (my $decname = $filename);
822	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
823	$filename, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
824		1351
825	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
826	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
827	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
828	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	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;
		1357	aio_fsync $fh;
		1358	}
829	close $fh;	1359	aio_close $fh;
830		1360
831	if (@$objs) {	1361	if (@$objs) {
832	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1362	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
833	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
834	my $data = Storable::nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
835	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
836	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	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;
		1368	aio_fsync $fh;
		1369	}
837	close $fh;	1370	aio_close $fh;
838	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
839	}	1372	}
840	} else {	1373	} else {
841	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
842	}	1375	}
843		1376
844	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
845	} else {	1381	} else {
846	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
847	}	1383	}
848	} else {	1384	} else {
849	aio_unlink $filename;	1385	aio_unlink $filename;
850	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
851	}	1387	}
852	}	1388	};
853	}	1389	}
854		1390
855	sub object_freezer_as_string {	1391	sub object_freezer_as_string {
856	my ($rdata, $objs) = @_;	1392	my ($rdata, $objs) = @_;
857		1393
…		…
869	or return;	1405	or return;
870		1406
871	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
872	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
873	or return;	1409	or return;
		1410
874	$av = eval { (Storable::thaw $av)->{objs} };	1411	my $st = eval { Coro::Storable::thaw $av };
		1412	$av = $st->{objs};
875	}	1413	}
876		1414
		1415	utf8::decode (my $decname = $filename);
877	warn sprintf "loading %s (%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
878	$filename, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
		1419
879	return ($data, $av);	1420	($data, $av)
880	}	1421	}
		1422
		1423	=head2 COMMAND CALLBACKS
		1424
		1425	=over 4
		1426
		1427	=cut
881		1428
882	#############################################################################	1429	#############################################################################
883	# command handling &c	1430	# command handling &c
884		1431
885	=item cf::register_command $name => \&callback($ob,$args);	1432	=item cf::register_command $name => \&callback($ob,$args);
…		…
898	push @{ $COMMAND{$name} }, [$caller, $cb];	1445	push @{ $COMMAND{$name} }, [$caller, $cb];
899	}	1446	}
900		1447
901	=item cf::register_extcmd $name => \&callback($pl,$packet);	1448	=item cf::register_extcmd $name => \&callback($pl,$packet);
902		1449
903	Register a callbackf ro execution when the client sends an extcmd packet.	1450	Register a callback for execution when the client sends an (synchronous)
		1451	extcmd packet. Ext commands will be processed in the order they are
		1452	received by the server, like other user commands. The first argument is
		1453	the logged-in player. Ext commands can only be processed after a player
		1454	has logged in successfully.
904		1455
905	If the callback returns something, it is sent back as if reply was being	1456	If the callback returns something, it is sent back as if reply was being
906	called.	1457	called.
907		1458
		1459	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1460
		1461	Register a callback for execution when the client sends an (asynchronous)
		1462	exticmd packet. Exti commands are processed by the server as soon as they
		1463	are received, i.e. out of order w.r.t. other commands. The first argument
		1464	is a client socket. Exti commands can be received anytime, even before
		1465	log-in.
		1466
		1467	If the callback returns something, it is sent back as if reply was being
		1468	called.
		1469
908	=cut	1470	=cut
909		1471
910	sub register_extcmd {	1472	sub register_extcmd {
911	my ($name, $cb) = @_;	1473	my ($name, $cb) = @_;
912		1474
913	$EXTCMD{$name} = $cb;	1475	$EXTCMD{$name} = $cb;
914	}	1476	}
915		1477
		1478	sub register_exticmd {
		1479	my ($name, $cb) = @_;
		1480
		1481	$EXTICMD{$name} = $cb;
		1482	}
		1483
		1484	use File::Glob ();
		1485
916	cf::player->attach (	1486	cf::player->attach (
917	on_command => sub {	1487	on_unknown_command => sub {
918	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
919		1489
920	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
921	or return;	1491	or return;
922		1492
…		…
927	cf::override;	1497	cf::override;
928	},	1498	},
929	on_extcmd => sub {	1499	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
931		1501
932	my $msg = eval { from_json $buf };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1503
934	if (ref $msg) {	1504	if (ref $msg) {
		1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1506
		1507	my @reply;
		1508
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1509	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->($pl, $msg)) {	1510	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1511	}
		1512
		1513	$pl->ext_reply ($reply, @reply)
		1514	if $reply;
		1515
940	} else {	1516	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1518	}
943		1519
944	cf::override;	1520	cf::override;
945	},	1521	},
946	);	1522	);
947		1523
		1524	# "readahead" all extensions
948	sub load_extension {	1525	sub cache_extensions {
949	my ($path) = @_;	1526	my $grp = IO::AIO::aio_group;
950		1527
951	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
952	my $base = $1;	1529	for (grep /\.ext$/, @{$_[0]}) {
953	my $pkg = $1;	1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
954	$pkg =~ s/[^[:word:]]/_/g;
955	$pkg = "ext::$pkg";
956
957	warn "... loading '$path' into '$pkg'\n";
958
959	open my $fh, "<:utf8", $path
960	or die "$path: $!";
961
962	my $source =
963	"package $pkg; use strict; use utf8;\n"
964	. "#line 1 \"$path\"\n{\n"
965	. (do { local $/; <$fh> })
966	. "\n};\n1";
967
968	unless (eval $source) {
969	my $msg = $@ ? "$path: $@\n"
970	: "extension disabled.\n";
971	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
972	warn $@;
973	warn "mandatory extension failed to load, exiting.\n";
974	exit 1;
975	}	1531	}
976	die $@;
977	}	1532	};
978		1533
979	push @EXTS, $pkg;	1534	$grp
		1535	}
		1536
		1537	sub _ext_cfg_reg($$$$) {
		1538	my ($rvar, $varname, $cfgname, $default) = @_;
		1539
		1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
980	}	1546	}
981		1547
982	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
		1553	cf::sync_job {
		1554	my %todo;
		1555
983	for my $ext (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
984	next unless -r $ext;	1557	next unless -r $path;
985	eval {	1558
986	load_extension $ext;	1559	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1560	my $base = $1;
		1561	my $pkg = $1;
		1562	$pkg =~ s/[^[:word:]]/_/g;
		1563	$pkg = "ext::$pkg";
		1564
		1565	open my $fh, "<:utf8", $path
		1566	or die "$path: $!";
		1567
		1568	my $source = do { local $/; <$fh> };
		1569
		1570	my %ext = (
		1571	path => $path,
		1572	base => $base,
		1573	pkg => $pkg,
		1574	);
		1575
		1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1578
		1579	$ext{source} =
		1580	"package $pkg; use common::sense;\n"
		1581	. "#line 1 \"$path\"\n{\n"
		1582	. $source
		1583	. "\n};\n1";
		1584
		1585	$todo{$base} = \%ext;
		1586	}
		1587
		1588	my $pass = 0;
		1589	my %done;
		1590	while (%todo) {
		1591	my $progress;
		1592
		1593	++$pass;
		1594
		1595	ext:
		1596	while (my ($k, $v) = each %todo) {
		1597	for (split /,\s*/, $v->{meta}{depends}) {
		1598	next ext
		1599	unless exists $done{$_};
		1600	}
		1601
		1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1603
		1604	my $source = $v->{source};
		1605
		1606	# support "CONF varname :confname = default" pseudo-statements
		1607	$source =~ s{
		1608	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1609	}{
		1610	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1611	}gmxe;
		1612
		1613	my $active = eval $source;
		1614
		1615	if (length $@) {
		1616	error "$v->{path}: $@\n";
		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1619	if exists $v->{meta}{mandatory};
		1620
		1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1622	delete $todo{$k};
		1623	} else {
		1624	$done{$k} = delete $todo{$k};
		1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
		1630	}
987	1	1631	}
988	} or warn "$ext not loaded: $@";	1632
		1633	unless ($progress) {
		1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
		1643	}
989	}	1644	};
990	}	1645	}
991		1646
992	#############################################################################	1647	#############################################################################
993		1648
		1649	=back
		1650
994	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
995		1652
996	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
997		1654
998	=cut	1655	=cut
999		1656
1000	package cf::player;	1657	package cf::player;
1001		1658
1002	use Coro::AIO;	1659	use Coro::AIO;
1003		1660
1004	=head3 cf::player	1661	=head3 cf::player
1005		1662
1006	=over 4	1663	=over 4
		1664
		1665	=item cf::player::num_playing
		1666
		1667	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1668
		1669	=cut
		1670
		1671	sub num_playing {
		1672	scalar grep
		1673	$_->ob->map
		1674	&& !$_->hidden
		1675	&& !$_->ob->flag (cf::FLAG_WIZ),
		1676	cf::player::list
		1677	}
1007		1678
1008	=item cf::player::find $login	1679	=item cf::player::find $login
1009		1680
1010	Returns the given player object, loading it if necessary (might block).	1681	Returns the given player object, loading it if necessary (might block).
1011		1682
…		…
1030		1701
1031	sub exists($) {	1702	sub exists($) {
1032	my ($login) = @_;	1703	my ($login) = @_;
1033		1704
1034	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1035	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1036	}	1707	}
1037		1708
1038	sub find($) {	1709	sub find($) {
1039	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1040	my $login = $_[0];	1711	my $login = $_[0];
…		…
1047	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1718	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1048	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1719	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1049	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1720	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1050	aio_unlink +(playerdir $login) . "/$login.pl";	1721	aio_unlink +(playerdir $login) . "/$login.pl";
1051		1722
1052	my $pl = load_pl path $login	1723	my $f = new_from_file cf::object::thawer path $login
1053	or return;	1724	or return;
		1725
		1726	my $pl = cf::player::load_pl $f
		1727	or return;
		1728
		1729	local $cf::PLAYER_LOADING{$login} = $pl;
		1730	$f->resolve_delayed_derefs;
1054	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1055	}	1732	}
1056	}	1733	}
1057	}	1734	}
		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($pl, $path) = @_;
		1739
		1740	# restore slots saved in save, below
		1741	my $slots = delete $pl->{_slots};
		1742
		1743	$pl->ob->current_weapon ($slots->[0]);
		1744	$pl->combat_ob ($slots->[1]);
		1745	$pl->ranged_ob ($slots->[2]);
		1746	},
		1747	);
1058		1748
1059	sub save($) {	1749	sub save($) {
1060	my ($pl) = @_;	1750	my ($pl) = @_;
1061		1751
1062	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
…		…
1067	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1068		1758
1069	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1070	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
1071		1761
		1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1766
1072	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1073	Coro::cede;	1768	cf::cede_to_tick;
1074	}	1769	}
1075		1770
1076	sub new($) {	1771	sub new($) {
1077	my ($login) = @_;	1772	my ($login) = @_;
1078		1773
…		…
1084	$cf::PLAYER{$login} = $self;	1779	$cf::PLAYER{$login} = $self;
1085		1780
1086	$self	1781	$self
1087	}	1782	}
1088		1783
		1784	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1785
		1786	=cut
		1787
		1788	sub send_msg {
		1789	my $ns = shift->ns
		1790	or return;
		1791	$ns->send_msg (@_);
		1792	}
		1793
1089	=item $pl->quit_character	1794	=item $pl->quit_character
1090		1795
1091	Nukes the player without looking back. If logged in, the connection will	1796	Nukes the player without looking back. If logged in, the connection will
1092	be destroyed. May block for a long time.	1797	be destroyed. May block for a long time.
1093		1798
…		…
1097	my ($pl) = @_;	1802	my ($pl) = @_;
1098		1803
1099	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1100		1805
1101	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1102	$pl->password ("*"); # this should lock out the player until we nuked the dir	1807	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1103		1808
1104	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1105	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1106	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1107	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1108		1817
1109	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1110	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1111	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1146	or return [];	1855	or return [];
1147		1856
1148	my @logins;	1857	my @logins;
1149		1858
1150	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
		1860	my $path = path $login;
		1861
		1862	# a .pst is a dead give-away for a valid player
		1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1151	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1152	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1153	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1868	}
1154		1869
1155	utf8::decode $login;	1870	utf8::decode $login;
1156	push @logins, $login;	1871	push @logins, $login;
1157	}	1872	}
1158		1873
1159	\@logins	1874	\@logins
1160	}	1875	}
1161		1876
1162	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1163		1880
1164	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1165	player. May block.	1882	player. May block.
1166		1883
1167	=cut	1884	=cut
…		…
1185	}	1902	}
1186		1903
1187	\@paths	1904	\@paths
1188	}	1905	}
1189		1906
		1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1908
		1909	Expand deliantra pod fragments into protocol xml.
		1910
1190	=item $player->ext_reply ($msgid, %msg)	1911	=item $player->ext_reply ($msgid, @msg)
1191		1912
1192	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1193		1914
1194	=cut	1915	=cut
1195		1916
1196	sub ext_reply($$%) {	1917	sub ext_reply($$@) {
1197	my ($self, $id, %msg) = @_;	1918	my ($self, $id, @msg) = @_;
1198		1919
1199	$msg{msgid} = $id;	1920	$self->ns->ext_reply ($id, @msg)
1200
1201	$self->send ("ext " . cf::to_json \%msg);
1202	}	1921	}
1203		1922
1204	=item $player->ext_event ($type, %msg)	1923	=item $player->ext_msg ($type, @msg)
1205		1924
1206	Sends an ext event to the client.	1925	Sends an ext event to the client.
1207		1926
1208	=cut	1927	=cut
1209		1928
1210	sub ext_event($$%) {	1929	sub ext_msg($$@) {
1211	my ($self, $type, %msg) = @_;	1930	my ($self, $type, @msg) = @_;
1212		1931
1213	$self->ns->ext_event ($type, %msg);	1932	$self->ns->ext_msg ($type, @msg);
1214	}	1933	}
1215		1934
1216	=head3 cf::region	1935	=head3 cf::region
1217		1936
1218	=over 4	1937	=over 4
…		…
1221		1940
1222	package cf::region;	1941	package cf::region;
1223		1942
1224	=item cf::region::find_by_path $path	1943	=item cf::region::find_by_path $path
1225		1944
1226	Tries to decuce the probable region for a map knowing only its path.	1945	Tries to decuce the likely region for a map knowing only its path.
1227		1946
1228	=cut	1947	=cut
1229		1948
1230	sub find_by_path($) {	1949	sub find_by_path($) {
1231	my ($path) = @_;	1950	my ($path) = @_;
1232		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
		1953
1233	my ($match, $specificity);	1954	my ($match, $specificity);
1234		1955
1235	for my $region (list) {	1956	for my $region (list) {
1236	if ($region->match && $path =~ $region->match) {	1957	if ($region->{match} && $path =~ $region->{match}) {
1237	($match, $specificity) = ($region, $region->specificity)	1958	($match, $specificity) = ($region, $region->specificity)
1238	if $region->specificity > $specificity;	1959	if $region->specificity > $specificity;
1239	}	1960	}
1240	}	1961	}
1241		1962
…		…
1262	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1263	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1264		1985
1265	sub generate_random_map {	1986	sub generate_random_map {
1266	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1267	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1268	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1269	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1270	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1271	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1272	$rmp->{exit_on_final_map},
1273	$rmp->{xsize}, $rmp->{ysize},
1274	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1275	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1276	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1277	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1278	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1279	(cf::region::find $rmp->{region}), $rmp->{custom}
1280	)
1281	}	1992	}
1282		1993
1283	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1284		1995
1285	Register a handler for the map path matching the given regex at the	1996	Register a handler for the map path matching the given regex at the
…		…
1290		2001
1291	sub register {	2002	sub register {
1292	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1293	my $pkg = caller;	2004	my $pkg = caller;
1294		2005
1295	no strict;
1296	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1297		2007
1298	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1299	}	2009	}
1300		2010
1301	# also paths starting with '/'	2011	# also paths starting with '/'
1302	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1303		2013
1304	sub thawer_merge {	2014	sub thawer_merge {
1305	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1306		2016
1307	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1312	}	2022	}
1313		2023
1314	sub normalise {	2024	sub normalise {
1315	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1316		2026
1317	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1318		2028
1319	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1320		2030
1321	# map plan:	2031	# map plan:
1322	#	2032	#
…		…
1337	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1338	$path = "$base/$path";	2048	$path = "$base/$path";
1339	}	2049	}
1340		2050
1341	for ($path) {	2051	for ($path) {
1342	redo if s{//}{/};
1343	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1344	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1345	}	2054	}
1346		2055
1347	$path	2056	$path
…		…
1361	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1362	return $self;	2071	return $self;
1363	}	2072	}
1364	}	2073	}
1365		2074
1366	Carp::carp "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1367	()	2076	()
1368	}	2077	}
1369		2078
		2079	# may re-bless or do other evil things
1370	sub init {	2080	sub init {
1371	my ($self) = @_;	2081	my ($self) = @_;
1372		2082
1373	$self	2083	$self
1374	}	2084	}
…		…
1393		2103
1394	# the temporary/swap location	2104	# the temporary/swap location
1395	sub save_path {	2105	sub save_path {
1396	my ($self) = @_;	2106	my ($self) = @_;
1397		2107
1398	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1399	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1400	}	2110	}
1401		2111
1402	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1403	sub uniq_path {	2113	sub uniq_path {
1404	my ($self) = @_;	2114	my ($self) = @_;
1405		2115
1406	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1407	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1408	}
1409
1410	# and all this just because we cannot iterate over
1411	# all maps in C++...
1412	sub change_all_map_light {
1413	my ($change) = @_;
1414
1415	$_->change_map_light ($change)
1416	for grep $_->outdoor, values %cf::MAP;
1417	}	2118	}
1418		2119
1419	sub decay_objects {	2120	sub decay_objects {
1420	my ($self) = @_;	2121	my ($self) = @_;
1421		2122
…		…
1434		2135
1435	sub load_header_from($) {	2136	sub load_header_from($) {
1436	my ($self, $path) = @_;	2137	my ($self, $path) = @_;
1437		2138
1438	utf8::encode $path;	2139	utf8::encode $path;
1439	#aio_open $path, O_RDONLY, 0	2140	my $f = new_from_file cf::object::thawer $path
1440	# or return;
1441
1442	$self->_load_header ($path)
1443	or return;	2141	or return;
1444		2142
		2143	$self->_load_header ($f)
		2144	or return;
		2145
		2146	local $MAP_LOADING{$self->{path}} = $self;
		2147	$f->resolve_delayed_derefs;
		2148
1445	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1446		2150
1447	1	2151	1
1448	}	2152	}
1449		2153
		2154	# used to laod the header of an original map
1450	sub load_header_orig {	2155	sub load_header_orig {
1451	my ($self) = @_;	2156	my ($self) = @_;
1452		2157
1453	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1454	}	2159	}
1455		2160
		2161	# used to laod the header of an instantiated map
1456	sub load_header_temp {	2162	sub load_header_temp {
1457	my ($self) = @_;	2163	my ($self) = @_;
1458		2164
1459	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1460	}	2166	}
1461		2167
		2168	# called after loading the header from an instantiated map
1462	sub prepare_temp {	2169	sub prepare_temp {
1463	my ($self) = @_;	2170	my ($self) = @_;
1464		2171
1465	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1466	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1467	# safety	2174	# safety
1468	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1469	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1470	}	2177	}
1471		2178
		2179	# called after loading the header from an original map
1472	sub prepare_orig {	2180	sub prepare_orig {
1473	my ($self) = @_;	2181	my ($self) = @_;
1474		2182
1475	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1476	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1500		2208
1501	sub find;	2209	sub find;
1502	sub find {	2210	sub find {
1503	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1504		2212
		2213	cf::cede_to_tick;
		2214
1505	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1506		2216
		2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1507	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1508		2219
1509	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1510	my $guard = cf::lock_acquire "map_find:$path";
1511	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1512	or return;	2222	or return;
1513		2223
1514	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1515		2225
…		…
1517	or return;	2227	or return;
1518		2228
1519	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1520	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1521	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
		2233	undef $guard1;
1522	$map->reset;	2234	$map->reset;
1523	undef $guard;
1524	return find $path;	2235	return find $path;
1525	}	2236	}
1526		2237
1527	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1528	}	2239	}
1529	}	2240	}
1530		2241
1531	sub pre_load { }	2242	sub pre_load { }
1532	sub post_load { }	2243	#sub post_load { } # XS
1533		2244
1534	sub load {	2245	sub load {
1535	my ($self) = @_;	2246	my ($self) = @_;
1536		2247
1537	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
1538		2249
1539	my $path = $self->{path};	2250	my $path = $self->{path};
1540		2251
1541	{	2252	{
1542	my $guard = cf::lock_acquire "map_load:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1543		2254
		2255	return unless $self->valid;
1544	return if $self->in_memory != cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1545
1546	$self->in_memory (cf::MAP_LOADING);
1547		2257
1548	$self->alloc;	2258	$self->alloc;
1549		2259
1550	$self->pre_load;	2260	$self->pre_load;
1551	Coro::cede;	2261	cf::cede_to_tick;
1552		2262
1553	$self->_load_objects ($self->{load_path}, 1)	2263	if (exists $self->{load_path}) {
		2264	my $f = new_from_file cf::object::thawer $self->{load_path};
		2265	$f->skip_block;
		2266	$self->_load_objects ($f)
1554	or return;	2267	or return;
1555		2268
1556	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1557	if delete $self->{load_original};	2270	if delete $self->{load_original};
1558		2271
1559	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1560	utf8::encode $uniq;	2273	utf8::encode $uniq;
1561	if (aio_open $uniq, O_RDONLY, 0) {	2274	unless (aio_stat $uniq) {
		2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1562	$self->clear_unique_items;	2276	$self->clear_unique_items;
1563	$self->_load_objects ($uniq, 0);	2277	$self->_load_objects ($f);
		2278	$f->resolve_delayed_derefs;
		2279	}
		2280	}
1564	}	2281	}
1565	}
1566		2282
1567	Coro::cede;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
		2288
		2289	$self->state (cf::MAP_INACTIVE);
		2290
		2291	cf::cede_to_tick;
1568	# now do the right thing for maps	2292	# now do the right thing for maps
1569	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1570	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
1571	unless $self->difficulty;	2295	unless $self->difficulty;
1572	Coro::cede;	2296	cf::cede_to_tick;
1573		2297
1574	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1575	$self->decay_objects;	2299	$self->decay_objects;
1576	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1577	$self->update_buttons;	2301	$self->update_buttons;
1578	Coro::cede;	2302	cf::cede_to_tick;
1579	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
1580	Coro::cede;
1581	$self->activate;
1582	}	2304	}
1583		2305
1584	$self->in_memory (cf::MAP_IN_MEMORY);	2306	$self->{last_save} = $cf::RUNTIME;
		2307	$self->last_access ($cf::RUNTIME);
1585	}	2308	}
1586		2309
1587	$self->post_load;	2310	$self->post_load;
1588	}
1589		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
1590	sub customise_for {	2318	sub customise_for {
1591	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
1592		2320
1593	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
1594	if $self->per_player;	2322	if $self->per_player;
…		…
1597	# if $self->per_party;	2325	# if $self->per_party;
1598		2326
1599	$self	2327	$self
1600	}	2328	}
1601		2329
1602	# find and load all maps in the 3x3 area around a map
1603	sub load_diag {
1604	my ($map) = @_;
1605
1606	my @diag; # diagonal neighbours
1607
1608	for (0 .. 3) {
1609	my $neigh = $map->tile_path ($_)
1610	or next;
1611	$neigh = find $neigh, $map
1612	or next;
1613	$neigh->load;
1614
1615	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1616	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1617	}
1618
1619	for (@diag) {
1620	my $neigh = find @$_
1621	or next;
1622	$neigh->load;
1623	}
1624	}
1625
1626	sub find_sync {	2330	sub find_sync {
1627	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
1628		2332
1629	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
1630	}	2338	}
1631		2339
1632	sub do_load_sync {	2340	sub do_load_sync {
1633	my ($map) = @_;	2341	my ($map) = @_;
1634		2342
1635	cf::sync_job { $map->load };	2343	# it's a bug to call this from the main context
		2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2345	if $Coro::current == $Coro::main;
		2346
		2347	$map->load;
1636	}	2348	}
1637		2349
1638	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
1639	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
1640		2352
1641	sub find_async {	2353	sub find_async {
1642	my ($path, $origin) = @_;	2354	my ($path, $origin, $load) = @_;
1643		2355
1644	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
1645		2357
1646	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
1647	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
1648	}	2360	}
1649		2361
1650	undef $MAP_PREFETCH{$path};	2362	$MAP_PREFETCH{$path} |= $load;
		2363
1651	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
		2365	$Coro::current->{desc} = "map prefetcher";
		2366
1652	while (%MAP_PREFETCH) {	2367	while (%MAP_PREFETCH) {
1653	for my $path (keys %MAP_PREFETCH) {	2368	while (my ($k, $v) = each %MAP_PREFETCH) {
1654	my $map = find $path	2369	if (my $map = find $k) {
1655	or next;
1656	$map->load;	2370	$map->load if $v;
		2371	}
1657		2372
1658	delete $MAP_PREFETCH{$path};	2373	delete $MAP_PREFETCH{$k};
1659	}	2374	}
1660	}	2375	}
1661	undef $MAP_PREFETCHER;	2376	undef $MAP_PREFETCHER;
1662	};	2377	};
1663	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
1664		2379
1665	()	2380	()
1666	}	2381	}
1667		2382
		2383	# common code, used by both ->save and ->swapout
1668	sub save {	2384	sub _save {
1669	my ($self) = @_;	2385	my ($self) = @_;
1670
1671	my $lock = cf::lock_acquire "map_data:" . $self->path;
1672		2386
1673	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
1674		2388
1675	return unless $self->dirty;	2389	return unless $self->dirty;
1676		2390
…		…
1682	return if $self->{deny_save};	2396	return if $self->{deny_save};
1683		2397
1684	local $self->{last_access} = $self->last_access;#d#	2398	local $self->{last_access} = $self->last_access;#d#
1685		2399
1686	cf::async {	2400	cf::async {
		2401	$Coro::current->{desc} = "map player save";
1687	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
1688	};	2403	};
		2404
		2405	cf::get_slot 0.02;
1689		2406
1690	if ($uniq) {	2407	if ($uniq) {
1691	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1692	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1693	} else {	2410	} else {
1694	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1695	}	2412	}
1696	}	2413	}
1697		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
1698	sub swap_out {	2423	sub swap_out {
1699	my ($self) = @_;	2424	my ($self) = @_;
1700		2425
1701	# save first because save cedes
1702	$self->save;
1703
1704	my $lock = cf::lock_acquire "map_data:" . $self->path;	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
1705		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
1706	return if $self->players;	2430	return if $self->players;
1707	return if $self->in_memory != cf::MAP_IN_MEMORY;
1708	return if $self->{deny_save};
1709		2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
1710	$self->clear;	2441	$self->clear;
1711	$self->in_memory (cf::MAP_SWAPPED);
1712	}	2442	}
1713		2443
1714	sub reset_at {	2444	sub reset_at {
1715	my ($self) = @_;	2445	my ($self) = @_;
1716		2446
…		…
1734		2464
1735	my $lock = cf::lock_acquire "map_data:$self->{path}";	2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
1736		2466
1737	return if $self->players;	2467	return if $self->players;
1738		2468
1739	warn "resetting map ", $self->path;	2469	cf::trace "resetting map ", $self->path, "\n";
1740		2470
1741	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
1742		2472
1743	# need to save uniques path	2473	# need to save uniques path
1744	unless ($self->{deny_save}) {	2474	unless ($self->{deny_save}) {
1745	my $uniq = $self->uniq_path; utf8::encode $uniq;	2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
1746		2476
…		…
1748	if $uniq;	2478	if $uniq;
1749	}	2479	}
1750		2480
1751	delete $cf::MAP{$self->path};	2481	delete $cf::MAP{$self->path};
1752		2482
		2483	$self->deactivate;
		2484	$_->clear_links_to ($self) for values %cf::MAP;
1753	$self->clear;	2485	$self->clear;
1754
1755	$_->clear_links_to ($self) for values %cf::MAP;
1756		2486
1757	$self->unlink_save;	2487	$self->unlink_save;
1758	$self->destroy;	2488	$self->destroy;
1759	}	2489	}
1760		2490
1761	my $nuke_counter = "aaaa";	2491	my $nuke_counter = "aaaa";
1762		2492
1763	sub nuke {	2493	sub nuke {
1764	my ($self) = @_;	2494	my ($self) = @_;
1765		2495
		2496	{
		2497	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2498
1766	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
1767		2500
1768	$self->unlink_save;	2501	$self->unlink_save;
1769		2502
1770	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
1771	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
1772	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
1773	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
1774	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1775		2508
1776	$cf::MAP{$self->path} = $self;	2509	$cf::MAP{$self->path} = $self;
		2510	}
1777		2511
1778	$self->reset; # polite request, might not happen	2512	$self->reset; # polite request, might not happen
		2513	}
		2514
		2515	=item $maps = cf::map::tmp_maps
		2516
		2517	Returns an arrayref with all map paths of currently instantiated and saved
		2518	maps. May block.
		2519
		2520	=cut
		2521
		2522	sub tmp_maps() {
		2523	[
		2524	map {
		2525	utf8::decode $_;
		2526	/\.map$/
		2527	? normalise $_
		2528	: ()
		2529	} @{ aio_readdir $TMPDIR or [] }
		2530	]
		2531	}
		2532
		2533	=item $maps = cf::map::random_maps
		2534
		2535	Returns an arrayref with all map paths of currently instantiated and saved
		2536	random maps. May block.
		2537
		2538	=cut
		2539
		2540	sub random_maps() {
		2541	[
		2542	map {
		2543	utf8::decode $_;
		2544	/\.map$/
		2545	? normalise "?random/$_"
		2546	: ()
		2547	} @{ aio_readdir $RANDOMDIR or [] }
		2548	]
1779	}	2549	}
1780		2550
1781	=item cf::map::unique_maps	2551	=item cf::map::unique_maps
1782		2552
1783	Returns an arrayref of paths of all shared maps that have	2553	Returns an arrayref of paths of all shared maps that have
1784	instantiated unique items. May block.	2554	instantiated unique items. May block.
1785		2555
1786	=cut	2556	=cut
1787		2557
1788	sub unique_maps() {	2558	sub unique_maps() {
1789	my $files = aio_readdir $UNIQUEDIR	2559	[
1790	or return;	2560	map {
1791
1792	my @paths;
1793
1794	for (@$files) {
1795	utf8::decode $_;	2561	utf8::decode $_;
1796	next if /\.pst$/;	2562	s/\.map$//; # TODO future compatibility hack
1797	next unless /^$PATH_SEP/o;	2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1798		2564	? ()
1799	push @paths, cf::map::normalise $_;	2565	: normalise $_
		2566	} @{ aio_readdir $UNIQUEDIR or [] }
1800	}	2567	]
1801
1802	\@paths
1803	}	2568	}
1804		2569
1805	package cf;	2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
1806		2601
1807	=back	2602	=back
1808		2603
1809	=head3 cf::object	2604	=head3 cf::object
1810		2605
…		…
1814		2609
1815	=over 4	2610	=over 4
1816		2611
1817	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
1818		2613
1819	Returns the inventory of the object _and_ their inventories, recursively.	2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
1820		2616
1821	=cut	2617	=cut
1822		2618
1823	sub inv_recursive_;	2619	sub inv_recursive_;
1824	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
1827		2623
1828	sub inv_recursive {	2624	sub inv_recursive {
1829	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
1830	}	2626	}
1831		2627
		2628	=item $ref = $ob->ref
		2629
		2630	Creates and returns a persistent reference to an object that can be stored as a string.
		2631
		2632	=item $ob = cf::object::deref ($refstring)
		2633
		2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2635	even if the object actually exists. May block.
		2636
		2637	=cut
		2638
		2639	sub deref {
		2640	my ($ref) = @_;
		2641
		2642	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2643	my ($uuid, $name) = ($1, $2);
		2644	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2645	or return;
		2646	$pl->ob->uuid eq $uuid
		2647	or return;
		2648
		2649	$pl->ob
		2650	} else {
		2651	warn "$ref: cannot resolve object reference\n";
		2652	undef
		2653	}
		2654	}
		2655
1832	package cf;	2656	package cf;
1833		2657
1834	=back	2658	=back
1835		2659
1836	=head3 cf::object::player	2660	=head3 cf::object::player
…		…
1842	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2666	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1843	can be C<undef>. Does the right thing when the player is currently in a	2667	can be C<undef>. Does the right thing when the player is currently in a
1844	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
1845		2669
1846	=cut	2670	=cut
		2671
		2672	our $SAY_CHANNEL = {
		2673	id => "say",
		2674	title => "Map",
		2675	reply => "say ",
		2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2677	};
		2678
		2679	our $CHAT_CHANNEL = {
		2680	id => "chat",
		2681	title => "Chat",
		2682	reply => "chat ",
		2683	tooltip => "Player chat and shouts, global to the server.",
		2684	};
1847		2685
1848	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
1849	# with dialog boxes.	2687	# with dialog boxes.
1850	#TODO: the first argument must go, split into a $npc->reply_to ( method	2688	#TODO: the first argument must go, split into a $npc->reply_to ( method
1851	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
…		…
1853		2691
1854	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2692	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1855		2693
1856	if ($self->{record_replies}) {	2694	if ($self->{record_replies}) {
1857	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2695	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2696
1858	} else {	2697	} else {
		2698	my $pl = $self->contr;
		2699
		2700	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2701	my $dialog = $pl->{npc_dialog};
		2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2703
		2704	} else {
1859	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
1860	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2707	}
1861	}	2708	}
		2709	}
		2710
		2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2712
		2713	=cut
		2714
		2715	sub cf::object::send_msg {
		2716	my $pl = shift->contr
		2717	or return;
		2718	$pl->send_msg (@_);
1862	}	2719	}
1863		2720
1864	=item $player_object->may ("access")	2721	=item $player_object->may ("access")
1865		2722
1866	Returns wether the given player is authorized to access resource "access"	2723	Returns wether the given player is authorized to access resource "access"
…		…
1879		2736
1880	=item $player_object->enter_link	2737	=item $player_object->enter_link
1881		2738
1882	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
1883		2740
1884	The player should be reasonably safe there for short amounts of time. You	2741	The player should be reasonably safe there for short amounts of time (e.g.
1885	I<MUST> call C<leave_link> as soon as possible, though.	2742	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2743	though, as the player cannot control the character while it is on the link
		2744	map.
1886		2745
1887	Will never block.	2746	Will never block.
1888		2747
1889	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
1890		2749
…		…
1910	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
1911	my ($self) = @_;	2770	my ($self) = @_;
1912		2771
1913	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
1914		2773
		2774	++$self->{_link_recursion};
		2775
1915	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
1916		2777
1917	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1918	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
1919		2780
1920	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1921	}	2782	}
1922		2783
1923	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
1924	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
1925		2786
…		…
1942	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
1943	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
1944		2805
1945	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
1946	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
1947	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
1948		2809
1949	$map->load;	2810	$map->load;
1950	$map->load_diag;
1951		2811
1952	return unless $self->contr->active;	2812	return unless $self->contr->active;
1953	$self->activate_recursive;
1954		2813
1955	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1956	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
1957	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
1958		2821
		2822	}
		2823
1959	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1960		2825
1961	Moves the player to the given map-path and coordinates by first freezing	2826	Moves the player to the given map-path and coordinates by first freezing
1962	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
1963	that has to return the map if sucecssful, and then unfreezes the player on	2828	that has to return the map if sucecssful, and then unfreezes the player on
1964	the new (success) or old (failed) map position.	2829	the new (success) or old (failed) map position. In either case, $done will
		2830	be called at the end of this process.
		2831
		2832	Note that $check will be called with a potentially non-loaded map, so if
		2833	it needs a loaded map it has to call C<< ->load >>.
1965		2834
1966	=cut	2835	=cut
1967		2836
1968	our $GOTOGEN;	2837	our $GOTOGEN;
1969		2838
1970	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
1971	my ($self, $path, $x, $y, $check) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
1972		2847
1973	# do generation counting so two concurrent goto's will be executed in-order	2848	# do generation counting so two concurrent goto's will be executed in-order
1974	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1975		2850
1976	$self->enter_link;	2851	$self->enter_link;
1977		2852
1978	(async {	2853	(async {
		2854	$Coro::current->{desc} = "player::goto $path $x $y";
		2855
		2856	# *tag paths override both path and x|y
		2857	if ($path =~ /^\*(.*)$/) {
		2858	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2859	my $ob = $obs[rand @obs];
		2860
		2861	# see if we actually can go there
		2862	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2863	$ob = $obs[rand @obs];
		2864	} else {
		2865	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2866	}
		2867	# else put us there anyways for now #d#
		2868
		2869	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2870	} else {
		2871	($path, $x, $y) = (undef, undef, undef);
		2872	}
		2873	}
		2874
1979	my $map = eval {	2875	my $map = eval {
1980	my $map = cf::map::find $path;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
1981		2877
1982	if ($map) {	2878	if ($map) {
1983	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
1984	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
1985	} else {	2881	} else {
1986	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
1987	}	2883	}
1988		2884
1989	$map	2885	$map
1990	};	2886	};
1991		2887
…		…
1996		2892
1997	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
1998	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
1999	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2000	}	2896	}
		2897
		2898	$done->($self) if $done;
2001	})->prio (1);	2899	})->prio (1);
2002	}	2900	}
2003		2901
2004	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2005		2903
…		…
2025	}	2923	}
2026		2924
2027	sub prepare_random_map {	2925	sub prepare_random_map {
2028	my ($exit) = @_;	2926	my ($exit) = @_;
2029		2927
2030	my $guard = cf::lock_acquire "exit_prepare:$exit";
2031
2032	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2033	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2034	# that depends on the exit object	2930	# that depends on the exit object
2035		2931
2036	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2038	if ($exit->map) {	2934	if ($exit->map) {
2039	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2040	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2041	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2042	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2043	}	2941	}
2044		2942
2045	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2046		2944
2047	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2048	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2049	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2050		2948
2051	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2052	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2053	undef $fh;	2951	undef $fh;
2054	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2055		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2056	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2057	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2058	}	2960	}
2059	}	2961	}
2060		2962
2061	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2062	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2063		2965
2064	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2065		2967
2066	if ($exit->slaying eq "/!") {
2067	#TODO: this should de-fi-ni-te-ly not be a sync-job
2068	# the problem is that $exit might not survive long enough
2069	# so it needs to be done right now, right here
2070	cf::sync_job { prepare_random_map $exit };
2071	}
2072
2073	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2074	my $hp = $exit->stats->hp;
2075	my $sp = $exit->stats->sp;
2076
2077	$self->enter_link;	2968	$self->enter_link;
2078		2969
2079	(async {	2970	(async {
2080	$self->deactivate_recursive; # just to be sure	2971	$Coro::current->{desc} = "enter_exit";
		2972
2081	unless (eval {	2973	unless (eval {
		2974	$self->deactivate_recursive; # just to be sure
		2975
		2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2977	my $x = $exit->stats->hp;
		2978	my $y = $exit->stats->sp;
		2979
		2980	# special map handling
		2981	my $slaying = $exit->slaying;
		2982
		2983	# special map handling
		2984	if ($slaying eq "/!") {
		2985	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2986
		2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
		2990	$map = $exit->slaying;
		2991
		2992	} elsif ($slaying eq '!up') {
		2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
		2996
		2997	} elsif ($slaying eq '!down') {
		2998	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2999	$x = $exit->x;
		3000	$y = $exit->y;
		3001	}
		3002
2082	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2083		3004
		3005	# if exit is damned, update players death & WoR home-position
		3006	$self->contr->savebed ($map, $x, $y)
		3007	if $exit->flag (cf::FLAG_DAMNED);
		3008
2084	1;	3009	1
2085	}) {	3010	}) {
2086	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2087	. "I'll try to bring you back to the map you were before. "	3012	. "I'll try to bring you back to the map you were before. "
2088	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2089	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2090		3015
2091	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2092	$self->leave_link;	3017	$self->leave_link;
2093	}	3018	}
2094	})->prio (1);	3019	})->prio (1);
2095	}	3020	}
2096		3021
…		…
2110		3035
2111	utf8::encode $text;	3036	utf8::encode $text;
2112	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2113	}	3038	}
2114		3039
		3040	=item $client->send_big_packet ($pkt)
		3041
		3042	Like C<send_packet>, but tries to compress large packets, and fragments
		3043	them as required.
		3044
		3045	=cut
		3046
		3047	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3048
		3049	sub cf::client::send_big_packet {
		3050	my ($self, $pkt) = @_;
		3051
		3052	# try lzf for large packets
		3053	$pkt = "lzf " . Compress::LZF::compress $pkt
		3054	if 1024 <= length $pkt and $self->{can_lzf};
		3055
		3056	# split very large packets
		3057	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3058	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3059	$pkt = "frag";
		3060	}
		3061
		3062	$self->send_packet ($pkt);
		3063	}
		3064
		3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3066
		3067	Send a drawinfo or msg packet to the client, formatting the msg for the
		3068	client if neccessary. C<$type> should be a string identifying the type of
		3069	the message, with C<log> being the default. If C<$color> is negative, suppress
		3070	the message unless the client supports the msg packet.
		3071
		3072	=cut
		3073
		3074	# non-persistent channels (usually the info channel)
		3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
		3082	"c/identify" => {
		3083	id => "infobox",
		3084	title => "Identify",
		3085	reply => undef,
		3086	tooltip => "Items recently identified",
		3087	},
		3088	"c/examine" => {
		3089	id => "infobox",
		3090	title => "Examine",
		3091	reply => undef,
		3092	tooltip => "Signs and other items you examined",
		3093	},
		3094	"c/shopinfo" => {
		3095	id => "infobox",
		3096	title => "Shop Info",
		3097	reply => undef,
		3098	tooltip => "What your bargaining skill tells you about the shop",
		3099	},
		3100	"c/book" => {
		3101	id => "infobox",
		3102	title => "Book",
		3103	reply => undef,
		3104	tooltip => "The contents of a note or book",
		3105	},
		3106	"c/lookat" => {
		3107	id => "infobox",
		3108	title => "Look",
		3109	reply => undef,
		3110	tooltip => "What you saw there",
		3111	},
		3112	"c/who" => {
		3113	id => "infobox",
		3114	title => "Players",
		3115	reply => undef,
		3116	tooltip => "Shows players who are currently online",
		3117	},
		3118	"c/body" => {
		3119	id => "infobox",
		3120	title => "Body Parts",
		3121	reply => undef,
		3122	tooltip => "Shows which body parts you posess and are available",
		3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
		3130	"c/skills" => {
		3131	id => "infobox",
		3132	title => "Skills",
		3133	reply => undef,
		3134	tooltip => "Shows your experience per skill and item power",
		3135	},
		3136	"c/shopitems" => {
		3137	id => "infobox",
		3138	title => "Shop Items",
		3139	reply => undef,
		3140	tooltip => "Shows the items currently for sale in this shop",
		3141	},
		3142	"c/resistances" => {
		3143	id => "infobox",
		3144	title => "Resistances",
		3145	reply => undef,
		3146	tooltip => "Shows your resistances",
		3147	},
		3148	"c/pets" => {
		3149	id => "infobox",
		3150	title => "Pets",
		3151	reply => undef,
		3152	tooltip => "Shows information abotu your pets/a specific pet",
		3153	},
		3154	"c/perceiveself" => {
		3155	id => "infobox",
		3156	title => "Perceive Self",
		3157	reply => undef,
		3158	tooltip => "You gained detailed knowledge about yourself",
		3159	},
		3160	"c/uptime" => {
		3161	id => "infobox",
		3162	title => "Uptime",
		3163	reply => undef,
		3164	tooltip => "How long the server has been running since last restart",
		3165	},
		3166	"c/mapinfo" => {
		3167	id => "infobox",
		3168	title => "Map Info",
		3169	reply => undef,
		3170	tooltip => "Information related to the maps",
		3171	},
		3172	"c/party" => {
		3173	id => "party",
		3174	title => "Party",
		3175	reply => "gsay ",
		3176	tooltip => "Messages and chat related to your party",
		3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
		3186	);
		3187
		3188	sub cf::client::send_msg {
		3189	my ($self, $channel, $msg, $color, @extra) = @_;
		3190
		3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
		3193
		3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3195
		3196	# check predefined channels, for the benefit of C
		3197	if ($CHANNEL{$channel}) {
		3198	$channel = $CHANNEL{$channel};
		3199
		3200	$self->ext_msg (channel_info => $channel);
		3201	$channel = $channel->{id};
		3202
		3203	} elsif (ref $channel) {
		3204	# send meta info to client, if not yet sent
		3205	unless (exists $self->{channel}{$channel->{id}}) {
		3206	$self->{channel}{$channel->{id}} = $channel;
		3207	$self->ext_msg (channel_info => $channel);
		3208	}
		3209
		3210	$channel = $channel->{id};
		3211	}
		3212
		3213	return unless @extra || length $msg;
		3214
		3215	# default colour, mask it out
		3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3217	if $color & cf::NDI_DEF;
		3218
		3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
		3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3222	);
		3223
		3224	$self->send_big_packet ($pkt);
		3225	}
		3226
2115	=item $client->ext_event ($type, %msg)	3227	=item $client->ext_msg ($type, @msg)
2116		3228
2117	Sends an exti event to the client.	3229	Sends an ext event to the client.
2118		3230
2119	=cut	3231	=cut
2120		3232
2121	sub cf::client::ext_event($$%) {	3233	sub cf::client::ext_msg($$@) {
2122	my ($self, $type, %msg) = @_;	3234	my ($self, $type, @msg) = @_;
2123		3235
		3236	if ($self->extcmd == 2) {
		3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3238	} elsif ($self->extcmd == 1) { # TODO: remove
2124	$msg{msgtype} = "event_$type";	3239	push @msg, msgtype => "event_$type";
2125	$self->send_packet ("ext " . cf::to_json \%msg);	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3241	}
		3242	}
		3243
		3244	=item $client->ext_reply ($msgid, @msg)
		3245
		3246	Sends an ext reply to the client.
		3247
		3248	=cut
		3249
		3250	sub cf::client::ext_reply($$@) {
		3251	my ($self, $id, @msg) = @_;
		3252
		3253	return unless $self->extcmd == 2;
		3254
		3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2126	}	3256	}
2127		3257
2128	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2129		3259
2130	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
2131	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3261	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2132	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3262	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2133		3263
2134	Queries can fail, so check the return code. Or don't, as queries will become	3264	Queries can fail, so check the return code. Or don't, as queries will
2135	reliable at some point in the future.	3265	become reliable at some point in the future.
2136		3266
2137	=cut	3267	=cut
2138		3268
2139	sub cf::client::query {	3269	sub cf::client::query {
2140	my ($self, $flags, $text, $cb) = @_;	3270	my ($self, $flags, $text, $cb) = @_;
…		…
2148	utf8::encode $text;	3278	utf8::encode $text;
2149	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3279	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2150		3280
2151	$self->send_packet ($self->{query_queue}[0][0])	3281	$self->send_packet ($self->{query_queue}[0][0])
2152	if @{ $self->{query_queue} } == 1;	3282	if @{ $self->{query_queue} } == 1;
		3283
		3284	1
2153	}	3285	}
2154		3286
2155	cf::client->attach (	3287	cf::client->attach (
		3288	on_connect => sub {
		3289	my ($ns) = @_;
		3290
		3291	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3292	},
2156	on_reply => sub {	3293	on_reply => sub {
2157	my ($ns, $msg) = @_;	3294	my ($ns, $msg) = @_;
2158		3295
2159	# this weird shuffling is so that direct followup queries	3296	# this weird shuffling is so that direct followup queries
2160	# get handled first	3297	# get handled first
…		…
2172	} else {	3309	} else {
2173	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3310	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2174	}	3311	}
2175	}	3312	}
2176	},	3313	},
		3314	on_exticmd => sub {
		3315	my ($ns, $buf) = @_;
		3316
		3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3318
		3319	if (ref $msg) {
		3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3321
		3322	my @reply;
		3323
		3324	if (my $cb = $EXTICMD{$type}) {
		3325	@reply = $cb->($ns, @payload);
		3326	}
		3327
		3328	$ns->ext_reply ($reply, @reply)
		3329	if $reply;
		3330
		3331	} else {
		3332	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3333	}
		3334
		3335	cf::override;
		3336	},
2177	);	3337	);
2178		3338
2179	=item $client->async (\&cb)	3339	=item $client->async (\&cb)
2180		3340
2181	Create a new coroutine, running the specified callback. The coroutine will	3341	Create a new coroutine, running the specified callback. The coroutine will
…		…
2197		3357
2198	$coro	3358	$coro
2199	}	3359	}
2200		3360
2201	cf::client->attach (	3361	cf::client->attach (
2202	on_destroy => sub {	3362	on_client_destroy => sub {
2203	my ($ns) = @_;	3363	my ($ns) = @_;
2204		3364
2205	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2206	},	3366	},
2207	);	3367	);
…		…
2222	our $safe = new Safe "safe";	3382	our $safe = new Safe "safe";
2223	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2224		3384
2225	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2226		3386
2227	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3387	$safe->permit_only (Opcode::opset qw(
		3388	:base_core :base_mem :base_orig :base_math :base_loop
		3389	grepstart grepwhile mapstart mapwhile
		3390	sort time
		3391	));
2228		3392
2229	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
2230		3394
2231	=pod	3395	=pod
2232		3396
2233	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2234		3398
2235	cf::object contr pay_amount pay_player map	3399	cf::object
		3400	contr pay_amount pay_player map x y force_find force_add destroy
		3401	insert remove name archname title slaying race decrease split
		3402	value
		3403
2236	cf::object::player player	3404	cf::object::player
2237	cf::player peaceful	3405	player
2238	cf::map trigger	3406
		3407	cf::player
		3408	peaceful
		3409
		3410	cf::map
		3411	trigger
2239		3412
2240	=cut	3413	=cut
2241		3414
2242	for (	3415	for (
2243	["cf::object" => qw(contr pay_amount pay_player map)],	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3417	insert remove inv nrof name archname title slaying race
		3418	decrease split destroy change_exp value msg lore send_msg)],
2244	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2245	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2246	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2247	) {	3422	) {
2248	no strict 'refs';
2249	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2250	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2251	for @funs;	3425	for @funs;
2252	}	3426	}
2253		3427
…		…
2268		3442
2269	my $qcode = $code;	3443	my $qcode = $code;
2270	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2271	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2272		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2273	local $_;	3450	local $_;
2274	local @safe::cf::_safe_eval_args = values %vars;
2275		3451
2276	my $eval =	3452	my $eval =
2277	"do {\n"	3453	"do {\n"
2278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2279	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2280	. $code	3456	. $code
2281	. "\n}"	3457	. "\n}"
2282	;	3458	;
2283		3459
		3460	if ($CFG{safe_eval}) {
2284	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2285	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2286	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
2287		3469
2288	if ($@) {	3470	if ($@) {
2289	warn "$@";	3471	warn "$@",
2290	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2291	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2292	}	3474	}
2293		3475
2294	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
2295	}	3477	}
2296		3478
…		…
2310	=cut	3492	=cut
2311		3493
2312	sub register_script_function {	3494	sub register_script_function {
2313	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
2314		3496
2315	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
2316	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
2317	}	3499	}
2318		3500
2319	=back	3501	=back
2320		3502
2321	=cut	3503	=cut
2322
2323	#############################################################################
2324
2325	=head2 EXTENSION DATABASE SUPPORT
2326
2327	Crossfire maintains a very simple database for extension use. It can
2328	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2329	convert to/from binary).
2330
2331	The parameter C<$family> should best start with the name of the extension
2332	using it, it should be unique.
2333
2334	=over 4
2335
2336	=item $value = cf::db_get $family => $key
2337
2338	Returns a single value from the database.
2339
2340	=item cf::db_put $family => $key => $value
2341
2342	Stores the given C<$value> in the family.
2343
2344	=cut
2345
2346	our $DB;
2347
2348	sub db_init {
2349	unless ($DB) {
2350	$DB = BDB::db_create $DB_ENV;
2351
2352	cf::sync_job {
2353	eval {
2354	$DB->set_flags (BDB::CHKSUM);
2355
2356	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2357	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2358	cf::cleanup "db_open(db): $!" if $!;
2359	};
2360	cf::cleanup "db_open(db): $@" if $@;
2361	};
2362	}
2363	}
2364
2365	sub db_get($$) {
2366	my $key = "$_[0]/$_[1]";
2367
2368	cf::sync_job {
2369	BDB::db_get $DB, undef, $key, my $data;
2370
2371	$! ? ()
2372	: $data
2373	}
2374	}
2375
2376	sub db_put($$$) {
2377	BDB::dbreq_pri 4;
2378	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2379	}
2380
2381	=item cf::cache $id => [$paths...], $processversion => $process
2382
2383	Generic caching function that returns the value of the resource $id,
2384	caching and regenerating as required.
2385
2386	This function can block.
2387
2388	=cut
2389
2390	sub cache {
2391	my ($id, $src, $processversion, $process) = @_;
2392
2393	my $meta =
2394	join "\x00",
2395	$processversion,
2396	map {
2397	aio_stat $_
2398	and Carp::croak "$_: $!";
2399
2400	($_, (stat _)[7,9])
2401	} @$src;
2402
2403	my $dbmeta = db_get cache => "$id/meta";
2404	if ($dbmeta ne $meta) {
2405	# changed, we may need to process
2406
2407	my @data;
2408	my $md5;
2409
2410	for (0 .. $#$src) {
2411	0 <= aio_load $src->[$_], $data[$_]
2412	or Carp::croak "$src->[$_]: $!";
2413	}
2414
2415	# if processing is expensive, check
2416	# checksum first
2417	if (1) {
2418	$md5 =
2419	join "\x00",
2420	$processversion,
2421	map {
2422	Coro::cede;
2423	($src->[$_], Digest::MD5::md5_hex $data[$_])
2424	} 0.. $#$src;
2425
2426
2427	my $dbmd5 = db_get cache => "$id/md5";
2428	if ($dbmd5 eq $md5) {
2429	db_put cache => "$id/meta", $meta;
2430
2431	return db_get cache => "$id/data";
2432	}
2433	}
2434
2435	my $t1 = Time::HiRes::time;
2436	my $data = $process->(\@data);
2437	my $t2 = Time::HiRes::time;
2438
2439	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2440
2441	db_put cache => "$id/data", $data;
2442	db_put cache => "$id/md5" , $md5;
2443	db_put cache => "$id/meta", $meta;
2444
2445	return $data;
2446	}
2447
2448	db_get cache => "$id/data"
2449	}
2450
2451	=item fork_call { }, $args
2452
2453	Executes the given code block with the given arguments in a seperate
2454	process, returning the results. Everything must be serialisable with
2455	Coro::Storable. May, of course, block. Note that the executed sub may
2456	never block itself or use any form of Event handling.
2457
2458	=cut
2459
2460	sub fork_call(&@) {
2461	my ($cb, @args) = @_;
2462
2463	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2464	# or die "socketpair: $!";
2465	pipe my $fh1, my $fh2
2466	or die "pipe: $!";
2467
2468	if (my $pid = fork) {
2469	close $fh2;
2470
2471	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2472	$res = Coro::Storable::thaw $res;
2473
2474	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2475
2476	die $$res unless "ARRAY" eq ref $res;
2477
2478	return wantarray ? @$res : $res->[-1];
2479	} else {
2480	reset_signals;
2481	local $SIG{__WARN__};
2482	local $SIG{__DIE__};
2483	eval {
2484	close $fh1;
2485
2486	my @res = eval { $cb->(@args) };
2487	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2488	};
2489
2490	warn $@ if $@;
2491	_exit 0;
2492	}
2493	}
2494		3504
2495	#############################################################################	3505	#############################################################################
2496	# the server's init and main functions	3506	# the server's init and main functions
2497		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
		3509
2498	sub load_facedata($) {	3510	sub load_facedata($) {
2499	my ($path) = @_;	3511	my ($path) = @_;
2500		3512
		3513	# HACK to clear player env face cache, we need some signal framework
		3514	# for this (global event?)
		3515	%ext::player_env::MUSIC_FACE_CACHE = ();
		3516
		3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3518
2501	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
2502		3520
2503	my $facedata;	3521	my $facedata = decode_storable load_file $path;
2504	0 < aio_load $path, $facedata
2505	or die "$path: $!";
2506
2507	$facedata = Coro::Storable::thaw $facedata;
2508		3522
2509	$facedata->{version} == 2	3523	$facedata->{version} == 2
2510	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
2511		3525
		3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3528	$facedata->{resource}{"res/exp_table"} = {
		3529	type => FT_RSRC,
		3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
		3532	};
		3533	cf::cede_to_tick;
		3534
2512	{	3535	{
2513	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
2514		3537
2515	while (my ($face, $info) = each %$faces) {	3538	while (my ($face, $info) = each %$faces) {
2516	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3539	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3540
2517	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3541	cf::face::set_visibility $idx, $info->{visibility};
		3542	cf::face::set_magicmap $idx, $info->{magicmap};
2518	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3543	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2519	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3544	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2520	Coro::cede;	3545	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3546	$FACEHASH{$info->{hash64}} = $idx;#d#
		3547
		3548	cf::cede_to_tick;
2521	}	3549	}
2522		3550
2523	while (my ($face, $info) = each %$faces) {	3551	while (my ($face, $info) = each %$faces) {
2524	next unless $info->{smooth};	3552	next unless $info->{smooth};
		3553
2525	my $idx = cf::face::find $face	3554	my $idx = cf::face::find $face
2526	or next;	3555	or next;
		3556
2527	if (my $smooth = cf::face::find $info->{smooth}) {	3557	if (my $smooth = cf::face::find $info->{smooth}) {
		3558	cf::face::set_smooth $idx, $smooth;
2528	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3559	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2529	} else {	3560	} else {
2530	warn "smooth face '$info->{smooth}' not found for face '$face'";	3561	error "smooth face '$info->{smooth}' not found for face '$face'";
2531	}	3562	}
2532	Coro::cede;	3563
		3564	cf::cede_to_tick;
2533	}	3565	}
2534	}	3566	}
2535		3567
2536	{	3568	{
2537	my $anims = $facedata->{animinfo};	3569	my $anims = $facedata->{animinfo};
2538		3570
2539	while (my ($anim, $info) = each %$anims) {	3571	while (my ($anim, $info) = each %$anims) {
2540	cf::anim::set $anim, $info->{frames}, $info->{facings};	3572	cf::anim::set $anim, $info->{frames}, $info->{facings};
2541	Coro::cede;	3573	cf::cede_to_tick;
2542	}	3574	}
2543		3575
2544	cf::anim::invalidate_all; # d'oh	3576	cf::anim::invalidate_all; # d'oh
2545	}	3577	}
2546		3578
		3579	{
		3580	my $res = $facedata->{resource};
		3581
		3582	while (my ($name, $info) = each %$res) {
		3583	if (defined (my $type = $info->{type})) {
		3584	# TODO: different hash - must free and use new index, or cache ixface data queue
		3585	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3586
		3587	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3588	cf::face::set_type $idx, $type;
		3589	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3590	$FACEHASH{$info->{hash}} = $idx;#d#
		3591	} else {
		3592	# $RESOURCE{$name} = $info; # unused
		3593	}
		3594
		3595	cf::cede_to_tick;
		3596	}
		3597	}
		3598
		3599	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3600
2547	1	3601	1
2548	}	3602	}
2549		3603
		3604	register_exticmd fx_want => sub {
		3605	my ($ns, $want) = @_;
		3606
		3607	while (my ($k, $v) = each %$want) {
		3608	$ns->fx_want ($k, $v);
		3609	}
		3610	};
		3611
		3612	sub load_resource_file($) {
		3613	my $guard = lock_acquire "load_resource_file";
		3614
		3615	my $status = load_resource_file_ $_[0];
		3616	get_slot 0.1, 100;
		3617	cf::arch::commit_load;
		3618
		3619	$status
		3620	}
		3621
2550	sub reload_regions {	3622	sub reload_regions {
		3623	# HACK to clear player env face cache, we need some signal framework
		3624	# for this (global event?)
		3625	%ext::player_env::MUSIC_FACE_CACHE = ();
		3626
2551	load_resource_file "$MAPDIR/regions"	3627	load_resource_file "$MAPDIR/regions"
2552	or die "unable to load regions file\n";	3628	or die "unable to load regions file\n";
		3629
		3630	for (cf::region::list) {
		3631	$_->{match} = qr/$_->{match}/
		3632	if exists $_->{match};
		3633	}
2553	}	3634	}
2554		3635
2555	sub reload_facedata {	3636	sub reload_facedata {
2556	load_facedata "$DATADIR/facedata"	3637	load_facedata "$DATADIR/facedata"
2557	or die "unable to load facedata\n";	3638	or die "unable to load facedata\n";
…		…
2565	sub reload_treasures {	3646	sub reload_treasures {
2566	load_resource_file "$DATADIR/treasures"	3647	load_resource_file "$DATADIR/treasures"
2567	or die "unable to load treasurelists\n";	3648	or die "unable to load treasurelists\n";
2568	}	3649	}
2569		3650
		3651	sub reload_sound {
		3652	trace "loading sound config from $DATADIR/sound\n";
		3653
		3654	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3655
		3656	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3657	my $sound = $soundconf->{compat}[$_]
		3658	or next;
		3659
		3660	my $face = cf::face::find "sound/$sound->[1]";
		3661	cf::sound::set $sound->[0] => $face;
		3662	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3663	}
		3664
		3665	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3666	my $face = cf::face::find "sound/$v";
		3667	cf::sound::set $k => $face;
		3668	}
		3669	}
		3670
2570	sub reload_resources {	3671	sub reload_resources {
2571	warn "reloading resource files...\n";	3672	trace "reloading resource files...\n";
2572		3673
		3674	reload_exp_table;
		3675	reload_materials;
		3676	reload_facedata;
		3677	reload_sound;
		3678	reload_archetypes;
2573	reload_regions;	3679	reload_regions;
2574	reload_facedata;
2575	#reload_archetypes;#d#
2576	reload_archetypes;
2577	reload_treasures;	3680	reload_treasures;
2578		3681
2579	warn "finished reloading resource files\n";	3682	trace "finished reloading resource files\n";
2580	}	3683	}
2581		3684
2582	sub init {	3685	sub reload_config {
2583	reload_resources;	3686	trace "reloading config file...\n";
2584	}
2585		3687
2586	sub cfg_load {	3688	my $config = load_file "$CONFDIR/config";
2587	open my $fh, "<:utf8", "$CONFDIR/config"	3689	utf8::decode $config;
2588	or return;	3690	*CFG = decode_yaml $config;
2589		3691
2590	local $/;
2591	*CFG = YAML::Syck::Load <$fh>;
2592
2593	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3692	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2594		3693
2595	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3694	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2596	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3695	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2597		3696
2598	if (exists $CFG{mlockall}) {	3697	if (exists $CFG{mlockall}) {
…		…
2602	};	3701	};
2603	warn $@ if $@;	3702	warn $@ if $@;
2604	}	3703	}
2605	}	3704	}
2606		3705
		3706	sub pidfile() {
		3707	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3708	or die "$PIDFILE: $!";
		3709	flock $fh, &Fcntl::LOCK_EX
		3710	or die "$PIDFILE: flock: $!";
		3711	$fh
		3712	}
		3713
		3714	# make sure only one server instance is running at any one time
		3715	sub atomic {
		3716	my $fh = pidfile;
		3717
		3718	my $pid = <$fh>;
		3719	kill 9, $pid if $pid > 0;
		3720
		3721	seek $fh, 0, 0;
		3722	print $fh $$;
		3723	}
		3724
		3725	sub main_loop {
		3726	trace "EV::loop starting\n";
		3727	if (1) {
		3728	EV::loop;
		3729	}
		3730	trace "EV::loop returned\n";
		3731	goto &main_loop unless $REALLY_UNLOOP;
		3732	}
		3733
2607	sub main {	3734	sub main {
		3735	cf::init_globals; # initialise logging
		3736
		3737	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3738	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3739	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3740	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3741
		3742	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3743
2608	# we must not ever block the main coroutine	3744	# we must not ever block the main coroutine
2609	local $Coro::idle = sub {	3745	local $Coro::idle = sub {
2610	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3746	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2611	(async {	3747	(async {
2612	Event::one_event;	3748	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3749	EV::loop EV::LOOP_ONESHOT;
2613	})->prio (Coro::PRIO_MAX);	3750	})->prio (Coro::PRIO_MAX);
2614	};	3751	};
2615		3752
2616	cfg_load;	3753	evthread_start IO::AIO::poll_fileno;
		3754
		3755	cf::sync_job {
		3756	cf::incloader::init ();
		3757
		3758	cf::init_anim;
		3759	cf::init_attackmess;
		3760	cf::init_dynamic;
		3761
		3762	cf::load_settings;
		3763
		3764	reload_resources;
		3765	reload_config;
2617	db_init;	3766	db_init;
		3767
		3768	cf::init_uuid;
		3769	cf::init_signals;
		3770	cf::init_skills;
		3771
		3772	cf::init_beforeplay;
		3773
		3774	atomic;
		3775
2618	load_extensions;	3776	load_extensions;
2619		3777
2620	$TICK_WATCHER->start;	3778	utime time, time, $RUNTIMEFILE;
2621	Event::loop;	3779
		3780	# no (long-running) fork's whatsoever before this point(!)
		3781	use POSIX ();
		3782	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3783
		3784	cf::_post_init 0;
		3785	};
		3786
		3787	cf::object::thawer::errors_are_fatal 0;
		3788	info "parse errors in files are no longer fatal from this point on.\n";
		3789
		3790	AE::postpone {
		3791	undef &main; # free gobs of memory :)
		3792	};
		3793
		3794	goto &main_loop;
2622	}	3795	}
2623		3796
2624	#############################################################################	3797	#############################################################################
2625	# initialisation and cleanup	3798	# initialisation and cleanup
2626		3799
2627	# install some emergency cleanup handlers	3800	# install some emergency cleanup handlers
2628	BEGIN {	3801	BEGIN {
		3802	our %SIGWATCHER = ();
2629	for my $signal (qw(INT HUP TERM)) {	3803	for my $signal (qw(INT HUP TERM)) {
2630	Event->signal (	3804	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2631	reentrant => 0,
2632	data => WF_AUTOCANCEL,
2633	signal => $signal,
2634	prio => 0,
2635	cb => sub {
2636	cf::cleanup "SIG$signal";	3805	cf::cleanup "SIG$signal";
2637	},
2638	);	3806	};
		3807	}
		3808	}
		3809
		3810	sub write_runtime_sync {
		3811	my $t0 = AE::time;
		3812
		3813	# first touch the runtime file to show we are still running:
		3814	# the fsync below can take a very very long time.
		3815
		3816	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3817
		3818	my $guard = cf::lock_acquire "write_runtime";
		3819
		3820	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3821	or return;
		3822
		3823	my $value = $cf::RUNTIME + 90 + 10;
		3824	# 10 is the runtime save interval, for a monotonic clock
		3825	# 60 allows for the watchdog to kill the server.
		3826
		3827	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3828	and return;
		3829
		3830	# always fsync - this file is important
		3831	aio_fsync $fh
		3832	and return;
		3833
		3834	# touch it again to show we are up-to-date
		3835	aio_utime $fh, undef, undef;
		3836
		3837	close $fh
		3838	or return;
		3839
		3840	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3841	and return;
		3842
		3843	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3844
2639	}	3845	1
		3846	}
		3847
		3848	our $uuid_lock;
		3849	our $uuid_skip;
		3850
		3851	sub write_uuid_sync($) {
		3852	$uuid_skip ||= $_[0];
		3853
		3854	return if $uuid_lock;
		3855	local $uuid_lock = 1;
		3856
		3857	my $uuid = "$LOCALDIR/uuid";
		3858
		3859	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3860	or return;
		3861
		3862	my $value = uuid_seq uuid_cur;
		3863
		3864	unless ($value) {
		3865	info "cowardly refusing to write zero uuid value!\n";
		3866	return;
		3867	}
		3868
		3869	my $value = uuid_str $value + $uuid_skip;
		3870	$uuid_skip = 0;
		3871
		3872	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3873	and return;
		3874
		3875	# always fsync - this file is important
		3876	aio_fsync $fh
		3877	and return;
		3878
		3879	close $fh
		3880	or return;
		3881
		3882	aio_rename "$uuid~", $uuid
		3883	and return;
		3884
		3885	trace "uuid file written ($value).\n";
		3886
		3887	1
		3888
		3889	}
		3890
		3891	sub write_uuid($$) {
		3892	my ($skip, $sync) = @_;
		3893
		3894	$sync ? write_uuid_sync $skip
		3895	: async { write_uuid_sync $skip };
2640	}	3896	}
2641		3897
2642	sub emergency_save() {	3898	sub emergency_save() {
2643	my $freeze_guard = cf::freeze_mainloop;	3899	my $freeze_guard = cf::freeze_mainloop;
2644		3900
2645	warn "enter emergency perl save\n";	3901	info "emergency_perl_save: enter\n";
		3902
		3903	# this is a trade-off: we want to be very quick here, so
		3904	# save all maps without fsync, and later call a global sync
		3905	# (which in turn might be very very slow)
		3906	local $USE_FSYNC = 0;
2646		3907
2647	cf::sync_job {	3908	cf::sync_job {
		3909	cf::write_runtime_sync; # external watchdog should not bark
		3910
2648	# use a peculiar iteration method to avoid tripping on perl	3911	# use a peculiar iteration method to avoid tripping on perl
2649	# refcount bugs in for. also avoids problems with players	3912	# refcount bugs in for. also avoids problems with players
2650	# and maps saved/destroyed asynchronously.	3913	# and maps saved/destroyed asynchronously.
2651	warn "begin emergency player save\n";	3914	info "emergency_perl_save: begin player save\n";
2652	for my $login (keys %cf::PLAYER) {	3915	for my $login (keys %cf::PLAYER) {
2653	my $pl = $cf::PLAYER{$login} or next;	3916	my $pl = $cf::PLAYER{$login} or next;
2654	$pl->valid or next;	3917	$pl->valid or next;
		3918	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2655	$pl->save;	3919	$pl->save;
2656	}	3920	}
2657	warn "end emergency player save\n";	3921	info "emergency_perl_save: end player save\n";
2658		3922
2659	warn "begin emergency map save\n";	3923	cf::write_runtime_sync; # external watchdog should not bark
		3924
		3925	info "emergency_perl_save: begin map save\n";
2660	for my $path (keys %cf::MAP) {	3926	for my $path (keys %cf::MAP) {
2661	my $map = $cf::MAP{$path} or next;	3927	my $map = $cf::MAP{$path} or next;
2662	$map->valid or next;	3928	$map->valid or next;
2663	$map->save;	3929	$map->save;
2664	}	3930	}
2665	warn "end emergency map save\n";	3931	info "emergency_perl_save: end map save\n";
2666		3932
2667	warn "begin emergency database checkpoint\n";	3933	cf::write_runtime_sync; # external watchdog should not bark
		3934
		3935	info "emergency_perl_save: begin database checkpoint\n";
2668	BDB::db_env_txn_checkpoint $DB_ENV;	3936	BDB::db_env_txn_checkpoint $DB_ENV;
2669	warn "end emergency database checkpoint\n";	3937	info "emergency_perl_save: end database checkpoint\n";
		3938
		3939	info "emergency_perl_save: begin write uuid\n";
		3940	write_uuid_sync 1;
		3941	info "emergency_perl_save: end write uuid\n";
		3942
		3943	cf::write_runtime_sync; # external watchdog should not bark
		3944
		3945	trace "emergency_perl_save: syncing database to disk";
		3946	BDB::db_env_txn_checkpoint $DB_ENV;
		3947
		3948	info "emergency_perl_save: starting sync\n";
		3949	IO::AIO::aio_sync sub {
		3950	info "emergency_perl_save: finished sync\n";
		3951	};
		3952
		3953	cf::write_runtime_sync; # external watchdog should not bark
		3954
		3955	trace "emergency_perl_save: flushing outstanding aio requests";
		3956	while (IO::AIO::nreqs || BDB::nreqs) {
		3957	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3958	}
		3959
		3960	cf::write_runtime_sync; # external watchdog should not bark
2670	};	3961	};
2671		3962
2672	warn "leave emergency perl save\n";	3963	info "emergency_perl_save: leave\n";
2673	}	3964	}
2674		3965
2675	sub post_cleanup {	3966	sub post_cleanup {
2676	my ($make_core) = @_;	3967	my ($make_core) = @_;
2677		3968
		3969	IO::AIO::flush;
		3970
2678	warn Carp::longmess "post_cleanup backtrace"	3971	error Carp::longmess "post_cleanup backtrace"
2679	if $make_core;	3972	if $make_core;
		3973
		3974	my $fh = pidfile;
		3975	unlink $PIDFILE if <$fh> == $$;
		3976	}
		3977
		3978	# a safer delete_package, copied from Symbol
		3979	sub clear_package($) {
		3980	my $pkg = shift;
		3981
		3982	# expand to full symbol table name if needed
		3983	unless ($pkg =~ /^main::.*::$/) {
		3984	$pkg = "main$pkg" if $pkg =~ /^::/;
		3985	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3986	$pkg .= '::' unless $pkg =~ /::$/;
		3987	}
		3988
		3989	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3990	my $stem_symtab = *{$stem}{HASH};
		3991
		3992	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3993	or return;
		3994
		3995	# clear all symbols
		3996	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3997	for my $name (keys %$leaf_symtab) {
		3998	_gv_clear *{"$pkg$name"};
		3999	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4000	}
2680	}	4001	}
2681		4002
2682	sub do_reload_perl() {	4003	sub do_reload_perl() {
2683	# can/must only be called in main	4004	# can/must only be called in main
2684	if ($Coro::current != $Coro::main) {	4005	unless (in_main) {
2685	warn "can only reload from main coroutine";	4006	error "can only reload from main coroutine";
2686	return;	4007	return;
2687	}	4008	}
2688		4009
2689	warn "reloading...";	4010	return if $RELOAD++;
2690		4011
2691	warn "entering sync_job";	4012	my $t1 = AE::time;
2692		4013
		4014	while ($RELOAD) {
		4015	cf::get_slot 0.1, -1, "reload_perl";
		4016	info "perl_reload: reloading...";
		4017
		4018	trace "perl_reload: entering sync_job";
		4019
2693	cf::sync_job {	4020	cf::sync_job {
2694	cf::write_runtime; # external watchdog should not bark
2695	cf::emergency_save;	4021	#cf::emergency_save;
2696	cf::write_runtime; # external watchdog should not bark
2697		4022
2698	warn "syncing database to disk";
2699	BDB::db_env_txn_checkpoint $DB_ENV;
2700
2701	# if anything goes wrong in here, we should simply crash as we already saved
2702
2703	warn "cancelling all WF_AUTOCANCEL watchers";
2704	for (Event::all_watchers) {
2705	$_->cancel if $_->data & WF_AUTOCANCEL;
2706	}
2707
2708	warn "flushing outstanding aio requests";
2709	for (;;) {
2710	BDB::flush;
2711	IO::AIO::flush;
2712	Coro::cede;
2713	last unless IO::AIO::nreqs || BDB::nreqs;
2714	warn "iterate...";
2715	}
2716
2717	++$RELOAD;
2718
2719	warn "cancelling all extension coros";	4023	trace "perl_reload: cancelling all extension coros";
2720	$_->cancel for values %EXT_CORO;	4024	$_->cancel for values %EXT_CORO;
2721	%EXT_CORO = ();	4025	%EXT_CORO = ();
2722		4026
2723	warn "removing commands";	4027	trace "perl_reload: removing commands";
2724	%COMMAND = ();	4028	%COMMAND = ();
2725		4029
2726	warn "removing ext commands";	4030	trace "perl_reload: removing ext/exti commands";
2727	%EXTCMD = ();	4031	%EXTCMD = ();
		4032	%EXTICMD = ();
2728		4033
2729	warn "unloading/nuking all extensions";	4034	trace "perl_reload: unloading/nuking all extensions";
2730	for my $pkg (@EXTS) {	4035	for my $pkg (@EXTS) {
2731	warn "... unloading $pkg";	4036	trace "... unloading $pkg";
2732		4037
2733	if (my $cb = $pkg->can ("unload")) {	4038	if (my $cb = $pkg->can ("unload")) {
2734	eval {	4039	eval {
2735	$cb->($pkg);	4040	$cb->($pkg);
2736	1	4041	1
2737	} or warn "$pkg unloaded, but with errors: $@";	4042	} or error "$pkg unloaded, but with errors: $@";
		4043	}
		4044
		4045	trace "... clearing $pkg";
		4046	clear_package $pkg;
2738	}	4047	}
2739		4048
2740	warn "... nuking $pkg";
2741	Symbol::delete_package $pkg;
2742	}
2743
2744	warn "unloading all perl modules loaded from $LIBDIR";	4049	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2745	while (my ($k, $v) = each %INC) {	4050	while (my ($k, $v) = each %INC) {
2746	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2747		4052
2748	warn "... unloading $k";	4053	trace "... unloading $k";
2749	delete $INC{$k};	4054	delete $INC{$k};
2750		4055
2751	$k =~ s/\.pm$//;	4056	$k =~ s/\.pm$//;
2752	$k =~ s/\//::/g;	4057	$k =~ s/\//::/g;
2753		4058
2754	if (my $cb = $k->can ("unload_module")) {	4059	if (my $cb = $k->can ("unload_module")) {
2755	$cb->();	4060	$cb->();
		4061	}
		4062
		4063	clear_package $k;
2756	}	4064	}
2757		4065
2758	Symbol::delete_package $k;
2759	}
2760
2761	warn "getting rid of safe::, as good as possible";	4066	trace "perl_reload: getting rid of safe::, as good as possible";
2762	Symbol::delete_package "safe::$_"	4067	clear_package "safe::$_"
2763	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4068	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2764		4069
2765	warn "unloading cf.pm \"a bit\"";	4070	trace "perl_reload: unloading cf.pm \"a bit\"";
2766	delete $INC{"cf.pm"};	4071	delete $INC{"cf.pm"};
2767	delete $INC{"cf/pod.pm"};	4072	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2768		4073
2769	# don't, removes xs symbols, too,	4074	# don't, removes xs symbols, too,
2770	# and global variables created in xs	4075	# and global variables created in xs
2771	#Symbol::delete_package __PACKAGE__;	4076	#clear_package __PACKAGE__;
2772		4077
2773	warn "unload completed, starting to reload now";	4078	info "perl_reload: unload completed, starting to reload now";
2774		4079
2775	warn "reloading cf.pm";	4080	trace "perl_reload: reloading cf.pm";
2776	require cf;	4081	require cf;
2777	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4082	cf::_connect_to_perl_1;
2778		4083
2779	warn "loading config and database again";	4084	trace "perl_reload: loading config and database again";
2780	cf::cfg_load;	4085	cf::reload_config;
2781		4086
2782	warn "loading extensions";	4087	trace "perl_reload: loading extensions";
2783	cf::load_extensions;	4088	cf::load_extensions;
2784		4089
		4090	if ($REATTACH_ON_RELOAD) {
2785	warn "reattaching attachments to objects/players";	4091	trace "perl_reload: reattaching attachments to objects/players";
2786	_global_reattach; # objects, sockets	4092	_global_reattach; # objects, sockets
2787	warn "reattaching attachments to maps";	4093	trace "perl_reload: reattaching attachments to maps";
2788	reattach $_ for values %MAP;	4094	reattach $_ for values %MAP;
2789	warn "reattaching attachments to players";	4095	trace "perl_reload: reattaching attachments to players";
2790	reattach $_ for values %PLAYER;	4096	reattach $_ for values %PLAYER;
		4097	}
2791		4098
2792	warn "leaving sync_job";	4099	cf::_post_init 1;
2793		4100
		4101	trace "perl_reload: leaving sync_job";
		4102
2794	1	4103	1
2795	} or do {	4104	} or do {
2796	warn $@;	4105	error $@;
2797	warn "error while reloading, exiting.";	4106	cf::cleanup "perl_reload: error, exiting.";
2798	exit 1;	4107	};
		4108
		4109	--$RELOAD;
2799	};	4110	}
2800		4111
2801	warn "reloaded";	4112	$t1 = AE::time - $t1;
		4113	info "perl_reload: completed in ${t1}s\n";
2802	};	4114	};
2803		4115
2804	our $RELOAD_WATCHER; # used only during reload	4116	our $RELOAD_WATCHER; # used only during reload
2805		4117
2806	sub reload_perl() {	4118	sub reload_perl() {
2807	# doing reload synchronously and two reloads happen back-to-back,	4119	# doing reload synchronously and two reloads happen back-to-back,
2808	# coro crashes during coro_state_free->destroy here.	4120	# coro crashes during coro_state_free->destroy here.
2809		4121
2810	$RELOAD_WATCHER ||= Event->timer (	4122	$RELOAD_WATCHER ||= cf::async {
2811	reentrant => 0,	4123	Coro::AIO::aio_wait cache_extensions;
2812	after => 0,	4124
2813	data => WF_AUTOCANCEL,	4125	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2814	cb => sub {
2815	do_reload_perl;	4126	do_reload_perl;
2816	undef $RELOAD_WATCHER;	4127	undef $RELOAD_WATCHER;
2817	},	4128	};
2818	);	4129	};
2819	}	4130	}
2820		4131
2821	register_command "reload" => sub {	4132	register_command "reload" => sub {
2822	my ($who, $arg) = @_;	4133	my ($who, $arg) = @_;
2823		4134
2824	if ($who->flag (FLAG_WIZ)) {	4135	if ($who->flag (FLAG_WIZ)) {
2825	$who->message ("reloading server.");	4136	$who->message ("reloading server.");
		4137	async {
		4138	$Coro::current->{desc} = "perl_reload";
2826	async { reload_perl };	4139	reload_perl;
		4140	};
2827	}	4141	}
2828	};	4142	};
2829		4143
2830	unshift @INC, $LIBDIR;	4144	#############################################################################
2831		4145
2832	my $bug_warning = 0;	4146	my $bug_warning = 0;
2833		4147
2834	our @WAIT_FOR_TICK;
2835	our @WAIT_FOR_TICK_BEGIN;
2836
2837	sub wait_for_tick {	4148	sub wait_for_tick() {
2838	return unless $TICK_WATCHER->is_active;	4149	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2839	return if $Coro::current == $Coro::main;
2840		4150
2841	my $signal = new Coro::Signal;	4151	$WAIT_FOR_TICK->wait;
2842	push @WAIT_FOR_TICK, $signal;
2843	$signal->wait;
2844	}	4152	}
2845		4153
2846	sub wait_for_tick_begin {	4154	sub wait_for_tick_begin() {
2847	return unless $TICK_WATCHER->is_active;	4155	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2848	return if $Coro::current == $Coro::main;
2849		4156
2850	my $signal = new Coro::Signal;	4157	my $signal = new Coro::Signal;
2851	push @WAIT_FOR_TICK_BEGIN, $signal;	4158	push @WAIT_FOR_TICK_BEGIN, $signal;
2852	$signal->wait;	4159	$signal->wait;
2853	}	4160	}
2854		4161
2855	my $min = 1e6;#d#	4162	sub tick {
2856	my $avg = 10;
2857	$TICK_WATCHER = Event->timer (
2858	reentrant => 0,
2859	parked => 1,
2860	prio => 0,
2861	at => $NEXT_TICK || $TICK,
2862	data => WF_AUTOCANCEL,
2863	cb => sub {
2864	if ($Coro::current != $Coro::main) {	4163	if ($Coro::current != $Coro::main) {
2865	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4164	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2866	unless ++$bug_warning > 10;	4165	unless ++$bug_warning > 10;
2867	return;	4166	return;
2868	}	4167	}
2869		4168
2870	$NOW = $tick_start = Event::time;	4169	cf::one_tick; # one server iteration
2871		4170
2872	cf::server_tick; # one server iteration	4171	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2873		4172
2874	0 && sync_job {#d#	4173	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2875	for(1..10) {	4174	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2876	my $t = Event::time;	4175	Coro::async_pool {
2877	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4176	$Coro::current->{desc} = "runtime saver";
2878	or die;	4177	write_runtime_sync
2879		4178	or error "ERROR: unable to write runtime file: $!";
2880	$map->width (50);
2881	$map->height (50);
2882	$map->alloc;
2883	$map->_load_objects ("/tmp/x.map", 1);
2884	my $t = Event::time - $t;
2885
2886	#next unless $t < 0.0013;#d#
2887	if ($t < $min) {
2888	$min = $t;
2889	}
2890	$avg = $avg * 0.99 + $t * 0.01;
2891	}
2892	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2893	exit 0;
2894	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2895	};	4179	};
		4180	}
2896		4181
2897	$RUNTIME += $TICK;
2898	$NEXT_TICK += $TICK;
2899
2900	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2901	$NEXT_RUNTIME_WRITE = $NOW + 10;
2902	Coro::async_pool {
2903	write_runtime
2904	or warn "ERROR: unable to write runtime file: $!";
2905	};
2906	}
2907
2908	# my $AFTER = Event::time;
2909	# warn $AFTER - $NOW;#d#
2910
2911	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4182	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2912	$sig->send;	4183	$sig->send;
2913	}	4184	}
2914	while (my $sig = shift @WAIT_FOR_TICK) {	4185	$WAIT_FOR_TICK->broadcast;
2915	$sig->send;
2916	}
2917		4186
2918	$NOW = Event::time;	4187	$LOAD = ($NOW - $TICK_START) / $TICK;
2919
2920	# if we are delayed by four ticks or more, skip them all
2921	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2922
2923	$TICK_WATCHER->at ($NEXT_TICK);
2924	$TICK_WATCHER->start;
2925
2926	$LOAD = ($NOW - $tick_start) / $TICK;
2927	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4188	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2928		4189
2929	_post_tick;	4190	if (0) {
2930		4191	if ($NEXT_TICK) {
2931		4192	my $jitter = $TICK_START - $NEXT_TICK;
		4193	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4194	debug "jitter $JITTER\n";#d#
		4195	}
2932	},	4196	}
2933	);	4197	}
2934		4198
2935	{	4199	{
2936	BDB::max_poll_time $TICK * 0.1;	4200	# configure BDB
2937	$BDB_POLL_WATCHER = Event->io (	4201
2938	reentrant => 0,
2939	fd => BDB::poll_fileno,
2940	poll => 'r',
2941	prio => 0,
2942	data => WF_AUTOCANCEL,
2943	cb => \&BDB::poll_cb,
2944	);
2945	BDB::min_parallel 8;	4202	BDB::min_parallel 16;
2946		4203	BDB::max_poll_reqs $TICK * 0.1;
2947	BDB::set_sync_prepare {	4204	#$AnyEvent::BDB::WATCHER->priority (1);
2948	my $status;
2949	my $current = $Coro::current;
2950	(
2951	sub {
2952	$status = $!;
2953	$current->ready; undef $current;
2954	},
2955	sub {
2956	Coro::schedule while defined $current;
2957	$! = $status;
2958	},
2959	)
2960	};
2961		4205
2962	unless ($DB_ENV) {	4206	unless ($DB_ENV) {
2963	$DB_ENV = BDB::db_env_create;	4207	$DB_ENV = BDB::db_env_create;
		4208	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4209	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4210	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4211	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4212	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2964		4213
2965	cf::sync_job {	4214	cf::sync_job {
2966	eval {	4215	eval {
2967	BDB::db_env_open	4216	BDB::db_env_open
2968	$DB_ENV,	4217	$DB_ENV,
…		…
2970	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4219	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2971	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4220	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2972	0666;	4221	0666;
2973		4222
2974	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4223	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2975
2976	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2977	$DB_ENV->set_lk_detect;
2978	};	4224	};
2979		4225
2980	cf::cleanup "db_env_open(db): $@" if $@;	4226	cf::cleanup "db_env_open(db): $@" if $@;
2981	};	4227	};
2982	}	4228	}
		4229
		4230	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4231	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4232	};
		4233	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4234	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4235	};
		4236	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4237	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4238	};
2983	}	4239	}
2984		4240
2985	{	4241	{
		4242	# configure IO::AIO
		4243
2986	IO::AIO::min_parallel 8;	4244	IO::AIO::min_parallel 8;
2987
2988	undef $Coro::AIO::WATCHER;
2989	IO::AIO::max_poll_time $TICK * 0.1;	4245	IO::AIO::max_poll_time $TICK * 0.1;
2990	$AIO_POLL_WATCHER = Event->io (	4246	undef $AnyEvent::AIO::WATCHER;
2991	reentrant => 0,
2992	data => WF_AUTOCANCEL,
2993	fd => IO::AIO::poll_fileno,
2994	poll => 'r',
2995	prio => 6,
2996	cb => \&IO::AIO::poll_cb,
2997	);
2998	}	4247	}
2999		4248
3000	my $_log_backtrace;	4249	our $_log_backtrace;
		4250	our $_log_backtrace_last;
3001		4251
3002	sub _log_backtrace {	4252	sub _log_backtrace {
3003	my ($msg, @addr) = @_;	4253	my ($msg, @addr) = @_;
3004		4254
3005	$msg =~ s/\n//;	4255	$msg =~ s/\n$//;
3006		4256
		4257	if ($_log_backtrace_last eq $msg) {
		4258	LOG llevInfo, "[ABT] $msg\n";
		4259	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3007	# limit the # of concurrent backtraces	4260	# limit the # of concurrent backtraces
3008	if ($_log_backtrace < 2) {	4261	} elsif ($_log_backtrace < 2) {
		4262	$_log_backtrace_last = $msg;
3009	++$_log_backtrace;	4263	++$_log_backtrace;
		4264	my $perl_bt = Carp::longmess $msg;
3010	async {	4265	async {
		4266	$Coro::current->{desc} = "abt $msg";
		4267
3011	my @bt = fork_call {	4268	my @bt = fork_call {
3012	@addr = map { sprintf "%x", $_ } @addr;	4269	@addr = map { sprintf "%x", $_ } @addr;
3013	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4270	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3014	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4271	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3015	or die "addr2line: $!";	4272	or die "addr2line: $!";
…		…
3023	}	4280	}
3024		4281
3025	@funcs	4282	@funcs
3026	};	4283	};
3027		4284
3028	LOG llevInfo, "[ABT] $msg\n";	4285	LOG llevInfo, "[ABT] $perl_bt\n";
		4286	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3029	LOG llevInfo, "[ABT] $_\n" for @bt;	4287	LOG llevInfo, "[ABT] $_\n" for @bt;
3030	--$_log_backtrace;	4288	--$_log_backtrace;
3031	};	4289	};
3032	} else {	4290	} else {
3033	LOG llevInfo, "[ABT] $msg\n";	4291	LOG llevInfo, "[ABT] $msg\n";
3034	LOG llevInfo, "[ABT] [suppressed]\n";	4292	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3035	}	4293	}
3036	}	4294	}
3037		4295
3038	# load additional modules	4296	# load additional modules
3039	use cf::pod;	4297	require "cf/$_.pm" for @EXTRA_MODULES;
		4298	cf::_connect_to_perl_2;
3040		4299
3041	END { cf::emergency_save }	4300	END { cf::emergency_save }
3042		4301
3043	1	4302	1
3044		4303

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines