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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.286 by root, Sun Jun 24 04:27:20 2007 UTC vs.
Revision 1.598 by root, Sun Nov 11 02:38:10 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 AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;
32	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
33		67
34	# configure various modules to our taste	68	# configure various modules to our taste
35	#	69	#
36	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	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	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		78
40	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
41		80	$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		81
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
48		85
49	our %COMMAND = ();	86	our %COMMAND = ();
50	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
51		88
52	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
56		96
57	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
59		101
60	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
61	our $DATADIR = datadir;	104	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
65	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
71		125
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	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	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
77	our $NOW;	144	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		145
80	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	147	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	148	our $LINK_MAP; # the special {link} map, which is always available
91		149
92	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		152
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
98		165
99	binmode STDOUT;	166	binmode STDOUT;
100	binmode STDERR;	167	binmode STDERR;
101		168
102	# read virtual server time, if available	169	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
107	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
108		177
109	mkdir $_	178	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		180
112	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
113		182
114	sub cf::map::normalise;	183	sub cf::map::normalise;
115		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
116	#############################################################################	189	#############################################################################
117		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
118	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
119		203
120	=over 4	204	=over 4
121		205
122	=item $cf::UPTIME	206	=item $cf::UPTIME
123		207
124	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
125		224
126	=item $cf::RUNTIME	225	=item $cf::RUNTIME
127		226
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	228	every server tick.
130		229
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		233
135	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
138	database environment.	237	database environment.
139		238
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	239	=item $cf::LOADAVG
149		240
150	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
155		246
156	The raw value load value from the last tick.	247	The raw value load value from the last tick.
157		248
158	=item %cf::CFG	249	=item %cf::CFG
159		250
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	252	from wherever your confdir points to.
162		253
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		255
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	257	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	258	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		259
		260	Note that cf::Wait_for_tick will immediately return when the server is not
		261	ticking, making it suitable for small pauses in threads that need to run
		262	when the server is paused. If that is not applicable (i.e. you I<really>
		263	want to wait, use C<$cf::WAIT_FOR_TICK>).
		264
		265	=item $cf::WAIT_FOR_TICK
		266
		267	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		268	variable contains a L<Coro::Signal> that is broadcats after every server
		269	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		270	next server tick.
		271
		272	=cut
		273
		274	sub wait_for_tick();
		275	sub wait_for_tick_begin();
		276
		277	=item @cf::INVOKE_RESULTS
		278
		279	This array contains the results of the last C<invoke ()> call. When
		280	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		281	that call.
		282
		283	=item %cf::REFLECT
		284
		285	Contains, for each (C++) class name, a hash reference with information
		286	about object members (methods, scalars, arrays and flags) and other
		287	metadata, which is useful for introspection.
		288
169	=back	289	=back
170		290
171	=cut	291	=cut
172		292
173	BEGIN {	293	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	294	sub warn (@) { LOG llevWarn , join "", @_ }
		295	sub info (@) { LOG llevInfo , join "", @_ }
		296	sub debug(@) { LOG llevDebug, join "", @_ }
		297	sub trace(@) { LOG llevTrace, join "", @_ }
		298
		299	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	300	my $msg = join "", @_;
176		301
177	$msg .= "\n"	302	$msg .= "\n"
178	unless $msg =~ /\n$/;	303	unless $msg =~ /\n$/;
179		304
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	305	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		306
182	utf8::encode $msg;
183	LOG llevError, $msg;	307	LOG llevWarn, $msg;
184	};	308	};
185	}	309
		310	$Coro::State::DIEHOOK = sub {
		311	return unless $^S eq 0; # "eq", not "=="
		312
		313	error Carp::longmess $_[0];
		314
		315	if (in_main) {#d#
		316	error "DIEHOOK called in main context, Coro bug?\n";#d#
		317	return;#d#
		318	}#d#
		319
		320	# kill coroutine otherwise
		321	Coro::terminate
		322	};
186		323
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	324	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	325	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	326	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	327	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
197	for my $pkg (qw(	334	for my $pkg (qw(
198	cf::global cf::attachable	335	cf::global cf::attachable
199	cf::object cf::object::player	336	cf::object cf::object::player
200	cf::client cf::player	337	cf::client cf::player
201	cf::arch cf::living	338	cf::arch cf::living
		339	cf::map cf::mapspace
202	cf::map cf::party cf::region	340	cf::party cf::region
203	)) {	341	)) {
204	no strict 'refs';
205	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	342	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
206	}	343	}
207		344
208	$Event::DIED = sub {	345	$EV::DIED = sub {
209	warn "error in event callback: @_";	346	warn "error in event callback: $@";
210	};	347	};
		348
		349	#############################################################################
		350
		351	sub fork_call(&@);
		352	sub get_slot($;$$);
211		353
212	#############################################################################	354	#############################################################################
213		355
214	=head2 UTILITY FUNCTIONS	356	=head2 UTILITY FUNCTIONS
215		357
…		…
236	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	378	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
237	$d	379	$d
238	} || "[unable to dump $_[0]: '$@']";	380	} || "[unable to dump $_[0]: '$@']";
239	}	381	}
240		382
241	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	383	=item $scalar = cf::load_file $path
242		384
		385	Loads the given file from path and returns its contents. Croaks on error
		386	and can block.
		387
		388	=cut
		389
		390	sub load_file($) {
		391	0 <= aio_load $_[0], my $data
		392	or Carp::croak "$_[0]: $!";
		393
		394	$data
		395	}
		396
		397	=item $success = cf::replace_file $path, $data, $sync
		398
		399	Atomically replaces the file at the given $path with new $data, and
		400	optionally $sync the data to disk before replacing the file.
		401
		402	=cut
		403
		404	sub replace_file($$;$) {
		405	my ($path, $data, $sync) = @_;
		406
		407	my $lock = cf::lock_acquire ("replace_file:$path");
		408
		409	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		410	or return;
		411
		412	$data = $data->() if ref $data;
		413
		414	length $data == aio_write $fh, 0, (length $data), $data, 0
		415	or return;
		416
		417	!$sync
		418	or !aio_fsync $fh
		419	or return;
		420
		421	aio_close $fh
		422	and return;
		423
		424	aio_rename "$path~", $path
		425	and return;
		426
		427	if ($sync) {
		428	$path =~ s%/[^/]*$%%;
		429	aio_pathsync $path;
		430	}
		431
		432	1
		433	}
		434
243	=item $ref = cf::from_json $json	435	=item $ref = cf::decode_json $json
244		436
245	Converts a JSON string into the corresponding perl data structure.	437	Converts a JSON string into the corresponding perl data structure.
246		438
247	=item $json = cf::to_json $ref	439	=item $json = cf::encode_json $ref
248		440
249	Converts a perl data structure into its JSON representation.	441	Converts a perl data structure into its JSON representation.
250		442
		443	=cut
		444
		445	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		446
		447	sub encode_json($) { $json_coder->encode ($_[0]) }
		448	sub decode_json($) { $json_coder->decode ($_[0]) }
		449
		450	=item $ref = cf::decode_storable $scalar
		451
		452	Same as Coro::Storable::thaw, so blocks.
		453
		454	=cut
		455
		456	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		457
		458	=item $ref = cf::decode_yaml $scalar
		459
		460	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		461
		462	=cut
		463
		464	sub decode_yaml($) {
		465	fork_call { YAML::XS::Load $_[0] } @_
		466	}
		467
		468	=item $scalar = cf::unlzf $scalar
		469
		470	Same as Compress::LZF::compress, but takes server ticks into account, so
		471	blocks.
		472
		473	=cut
		474
		475	sub unlzf($) {
		476	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		477	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		478	Compress::LZF::decompress $_[0]
		479	}
		480
		481	=item cf::post_init { BLOCK }
		482
		483	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		484	but I<before> the server starts ticking again.
		485
		486	The codeblock will have a single boolean argument to indicate whether this
		487	is a reload or not.
		488
		489	=cut
		490
		491	sub post_init(&) {
		492	push @POST_INIT, shift;
		493	}
		494
		495	sub _post_init {
		496	trace "running post_init jobs";
		497
		498	# run them in parallel...
		499
		500	my @join;
		501
		502	while () {
		503	push @join, map &Coro::async ($_, 0), @POST_INIT;
		504	@POST_INIT = ();
		505
		506	@join or last;
		507
		508	(pop @join)->join;
		509	}
		510	}
		511
251	=item cf::lock_wait $string	512	=item cf::lock_wait $string
252		513
253	Wait until the given lock is available. See cf::lock_acquire.	514	Wait until the given lock is available. See cf::lock_acquire.
254		515
255	=item my $lock = cf::lock_acquire $string	516	=item my $lock = cf::lock_acquire $string
256		517
257	Wait until the given lock is available and then acquires it and returns	518	Wait until the given lock is available and then acquires it and returns
258	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	519	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
259	for example when the coroutine gets canceled), the lock is automatically	520	for example when the coroutine gets canceled), the lock is automatically
260	returned.	521	returned.
261		522
		523	Locks are *not* recursive, locking from the same coro twice results in a
		524	deadlocked coro.
		525
262	Lock names should begin with a unique identifier (for example, cf::map::find	526	Lock names should begin with a unique identifier (for example, cf::map::find
263	uses map_find and cf::map::load uses map_load).	527	uses map_find and cf::map::load uses map_load).
264		528
265	=item $locked = cf::lock_active $string	529	=item $locked = cf::lock_active $string
266		530
267	Return true if the lock is currently active, i.e. somebody has locked it.	531	Return true if the lock is currently active, i.e. somebody has locked it.
268		532
269	=cut	533	=cut
270		534
271	our %LOCK;	535	our $LOCKS = new Coro::SemaphoreSet;
272		536
273	sub lock_wait($) {	537	sub lock_wait($) {
274	my ($key) = @_;	538	$LOCKS->wait ($_[0]);
275
276	# wait for lock, if any
277	while ($LOCK{$key}) {
278	push @{ $LOCK{$key} }, $Coro::current;
279	Coro::schedule;
280	}
281	}	539	}
282		540
283	sub lock_acquire($) {	541	sub lock_acquire($) {
284	my ($key) = @_;	542	$LOCKS->guard ($_[0])
285
286	# wait, to be sure we are not locked
287	lock_wait $key;
288
289	$LOCK{$key} = [];
290
291	Coro::guard {
292	# wake up all waiters, to be on the safe side
293	$_->ready for @{ delete $LOCK{$key} };
294	}
295	}	543	}
296		544
297	sub lock_active($) {	545	sub lock_active($) {
298	my ($key) = @_;	546	$LOCKS->count ($_[0]) < 1
299
300	! ! $LOCK{$key}
301	}	547	}
302		548
303	sub freeze_mainloop {	549	sub freeze_mainloop {
304	return unless $TICK_WATCHER->is_active;	550	tick_inhibit_inc;
305		551
306	my $guard = Coro::guard {	552	&Guard::guard (\&tick_inhibit_dec);
307	$TICK_WATCHER->start;	553	}
		554
		555	=item cf::periodic $interval, $cb
		556
		557	Like EV::periodic, but randomly selects a starting point so that the actions
		558	get spread over time.
		559
		560	=cut
		561
		562	sub periodic($$) {
		563	my ($interval, $cb) = @_;
		564
		565	my $start = rand List::Util::min 180, $interval;
		566
		567	EV::periodic $start, $interval, 0, $cb
		568	}
		569
		570	=item cf::get_slot $time[, $priority[, $name]]
		571
		572	Allocate $time seconds of blocking CPU time at priority C<$priority>
		573	(default: 0): This call blocks and returns only when you have at least
		574	C<$time> seconds of cpu time till the next tick. The slot is only valid
		575	till the next cede.
		576
		577	Background jobs should use a priority les than zero, interactive jobs
		578	should use 100 or more.
		579
		580	The optional C<$name> can be used to identify the job to run. It might be
		581	used for statistical purposes and should identify the same time-class.
		582
		583	Useful for short background jobs.
		584
		585	=cut
		586
		587	our @SLOT_QUEUE;
		588	our $SLOT_QUEUE;
		589	our $SLOT_DECAY = 0.9;
		590
		591	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		592	$SLOT_QUEUE = Coro::async {
		593	$Coro::current->desc ("timeslot manager");
		594
		595	my $signal = new Coro::Signal;
		596	my $busy;
		597
		598	while () {
		599	next_job:
		600
		601	my $avail = cf::till_tick;
		602
		603	for (0 .. $#SLOT_QUEUE) {
		604	if ($SLOT_QUEUE[$_][0] <= $avail) {
		605	$busy = 0;
		606	my $job = splice @SLOT_QUEUE, $_, 1, ();
		607	$job->[2]->send;
		608	Coro::cede;
		609	goto next_job;
		610	} else {
		611	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		612	}
		613	}
		614
		615	if (@SLOT_QUEUE) {
		616	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		617	$WAIT_FOR_TICK->wait;
		618	} else {
		619	$busy = 0;
		620	Coro::schedule;
		621	}
308	};	622	}
309	$TICK_WATCHER->stop;	623	};
310	$guard	624
		625	sub get_slot($;$$) {
		626	return if tick_inhibit || $Coro::current == $Coro::main;
		627
		628	my ($time, $pri, $name) = @_;
		629
		630	$time = clamp $time, 0.01, $TICK * .6;
		631
		632	my $sig = new Coro::Signal;
		633
		634	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		635	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		636	$SLOT_QUEUE->ready;
		637	$sig->wait;
311	}	638	}
312		639
313	=item cf::async { BLOCK }	640	=item cf::async { BLOCK }
314		641
315	Currently the same as Coro::async_pool, meaning you cannot use	642	Currently the same as Coro::async_pool, meaning you cannot use
…		…
320		647
321	BEGIN { *async = \&Coro::async_pool }	648	BEGIN { *async = \&Coro::async_pool }
322		649
323	=item cf::sync_job { BLOCK }	650	=item cf::sync_job { BLOCK }
324		651
325	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	652	The design of Deliantra requires that the main coroutine ($Coro::main)
326	is always able to handle events or runnable, as Crossfire TRT is only	653	is always able to handle events or runnable, as Deliantra is only
327	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	654	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
328	acceptable.	655	acceptable.
329		656
330	If it must be done, put the blocking parts into C<sync_job>. This will run	657	If it must be done, put the blocking parts into C<sync_job>. This will run
331	the given BLOCK in another coroutine while waiting for the result. The	658	the given BLOCK in another coroutine while waiting for the result. The
…		…
335	=cut	662	=cut
336		663
337	sub sync_job(&) {	664	sub sync_job(&) {
338	my ($job) = @_;	665	my ($job) = @_;
339		666
340	if ($Coro::current == $Coro::main) {	667	if (in_main) {
341	my $time = Event::time;	668	my $time = AE::time;
342		669
343	# this is the main coro, too bad, we have to block	670	# this is the main coro, too bad, we have to block
344	# till the operation succeeds, freezing the server :/	671	# till the operation succeeds, freezing the server :/
345		672
346	# TODO: use suspend/resume instead	673	#LOG llevError, Carp::longmess "sync job";#d#
347	# (but this is cancel-safe)	674
348	my $freeze_guard = freeze_mainloop;	675	my $freeze_guard = freeze_mainloop;
349		676
350	my $busy = 1;	677	my $busy = 1;
351	my @res;	678	my @res;
352		679
353	(async {	680	(async {
		681	$Coro::current->desc ("sync job coro");
354	@res = eval { $job->() };	682	@res = eval { $job->() };
355	warn $@ if $@;	683	error $@ if $@;
356	undef $busy;	684	undef $busy;
357	})->prio (Coro::PRIO_MAX);	685	})->prio (Coro::PRIO_MAX);
358		686
359	while ($busy) {	687	while ($busy) {
360	Coro::cede or Event::one_event;	688	if (Coro::nready) {
		689	Coro::cede_notself;
		690	} else {
		691	EV::loop EV::LOOP_ONESHOT;
361	}	692	}
		693	}
362		694
363	$time = Event::time - $time;	695	my $time = AE::time - $time;
364		696
365	LOG llevError | logBacktrace, Carp::longmess "long sync job"
366	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
367
368	$tick_start += $time; # do not account sync jobs to server load	697	$TICK_START += $time; # do not account sync jobs to server load
369		698
370	wantarray ? @res : $res[0]	699	wantarray ? @res : $res[0]
371	} else {	700	} else {
372	# we are in another coroutine, how wonderful, everything just works	701	# we are in another coroutine, how wonderful, everything just works
373		702
…		…
393	$EXT_CORO{$coro+0} = $coro;	722	$EXT_CORO{$coro+0} = $coro;
394		723
395	$coro	724	$coro
396	}	725	}
397		726
398	=item fork_call { }, $args	727	=item fork_call { }, @args
399		728
400	Executes the given code block with the given arguments in a seperate	729	Executes the given code block with the given arguments in a seperate
401	process, returning the results. Everything must be serialisable with	730	process, returning the results. Everything must be serialisable with
402	Coro::Storable. May, of course, block. Note that the executed sub may	731	Coro::Storable. May, of course, block. Note that the executed sub may
403	never block itself or use any form of Event handling.	732	never block itself or use any form of event handling.
404		733
405	=cut	734	=cut
		735
		736	sub post_fork {
		737	reset_signals;
		738	}
406		739
407	sub fork_call(&@) {	740	sub fork_call(&@) {
408	my ($cb, @args) = @_;	741	my ($cb, @args) = @_;
409		742
410	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	743	# we seemingly have to make a local copy of the whole thing,
411	# or die "socketpair: $!";	744	# otherwise perl prematurely frees the stuff :/
412	pipe my $fh1, my $fh2	745	# TODO: investigate and fix (likely this will be rather laborious)
413	or die "pipe: $!";
414		746
415	if (my $pid = fork) {	747	my @res = Coro::Util::fork_eval {
416	close $fh2;	748	cf::post_fork;
		749	&$cb
		750	} @args;
417		751
418	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	752	wantarray ? @res : $res[-1]
419	$res = Coro::Storable::thaw $res;	753	}
420		754
421	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	755	sub objinfo {
422
423	die $$res unless "ARRAY" eq ref $res;
424
425	return wantarray ? @$res : $res->[-1];
426	} else {
427	reset_signals;
428	local $SIG{__WARN__};
429	local $SIG{__DIE__};
430	eval {
431	close $fh1;
432
433	my @res = eval { $cb->(@args) };
434	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
435	};
436
437	warn $@ if $@;
438	_exit 0;
439	}	756	(
		757	"counter value" => cf::object::object_count,
		758	"objects created" => cf::object::create_count,
		759	"objects destroyed" => cf::object::destroy_count,
		760	"freelist size" => cf::object::free_count,
		761	"allocated objects" => cf::object::objects_size,
		762	"active objects" => cf::object::actives_size,
		763	)
		764	}
		765
		766	=item $coin = coin_from_name $name
		767
		768	=cut
		769
		770	our %coin_alias = (
		771	"silver" => "silvercoin",
		772	"silvercoin" => "silvercoin",
		773	"silvercoins" => "silvercoin",
		774	"gold" => "goldcoin",
		775	"goldcoin" => "goldcoin",
		776	"goldcoins" => "goldcoin",
		777	"platinum" => "platinacoin",
		778	"platinumcoin" => "platinacoin",
		779	"platinumcoins" => "platinacoin",
		780	"platina" => "platinacoin",
		781	"platinacoin" => "platinacoin",
		782	"platinacoins" => "platinacoin",
		783	"royalty" => "royalty",
		784	"royalties" => "royalty",
		785	);
		786
		787	sub coin_from_name($) {
		788	$coin_alias{$_[0]}
		789	? cf::arch::find $coin_alias{$_[0]}
		790	: undef
440	}	791	}
441		792
442	=item $value = cf::db_get $family => $key	793	=item $value = cf::db_get $family => $key
443		794
444	Returns a single value from the environment database.	795	Returns a single value from the environment database.
…		…
446	=item cf::db_put $family => $key => $value	797	=item cf::db_put $family => $key => $value
447		798
448	Stores the given C<$value> in the family. It can currently store binary	799	Stores the given C<$value> in the family. It can currently store binary
449	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	800	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
450		801
		802	=item $db = cf::db_table "name"
		803
		804	Create and/or open a new database table. The string must not be "db" and must be unique
		805	within each server.
		806
451	=cut	807	=cut
		808
		809	sub db_table($) {
		810	cf::error "db_get called from main context"
		811	if $Coro::current == $Coro::main;
		812
		813	my ($name) = @_;
		814	my $db = BDB::db_create $DB_ENV;
		815
		816	eval {
		817	$db->set_flags (BDB::CHKSUM);
		818
		819	utf8::encode $name;
		820	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		821	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		822	cf::cleanup "db_open(db): $!" if $!;
		823	};
		824	cf::cleanup "db_open(db): $@" if $@;
		825
		826	$db
		827	}
452		828
453	our $DB;	829	our $DB;
454		830
455	sub db_init {	831	sub db_init {
456	unless ($DB) {	832	$DB ||= db_table "db";
457	$DB = BDB::db_create $DB_ENV;
458
459	cf::sync_job {
460	eval {
461	$DB->set_flags (BDB::CHKSUM);
462
463	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
464	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
465	cf::cleanup "db_open(db): $!" if $!;
466	};
467	cf::cleanup "db_open(db): $@" if $@;
468	};
469	}
470	}	833	}
471		834
472	sub db_get($$) {	835	sub db_get($$) {
473	my $key = "$_[0]/$_[1]";	836	my $key = "$_[0]/$_[1]";
474		837
475	cf::sync_job {	838	cf::error "db_get called from main context"
		839	if $Coro::current == $Coro::main;
		840
476	BDB::db_get $DB, undef, $key, my $data;	841	BDB::db_get $DB, undef, $key, my $data;
477		842
478	$! ? ()	843	$! ? ()
479	: $data	844	: $data
480	}
481	}	845	}
482		846
483	sub db_put($$$) {	847	sub db_put($$$) {
484	BDB::dbreq_pri 4;	848	BDB::dbreq_pri 4;
485	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	849	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
513		877
514	my @data;	878	my @data;
515	my $md5;	879	my $md5;
516		880
517	for (0 .. $#$src) {	881	for (0 .. $#$src) {
518	0 <= aio_load $src->[$_], $data[$_]	882	$data[$_] = load_file $src->[$_];
519	or Carp::croak "$src->[$_]: $!";
520	}	883	}
521		884
522	# if processing is expensive, check	885	# if processing is expensive, check
523	# checksum first	886	# checksum first
524	if (1) {	887	if (1) {
525	$md5 =	888	$md5 =
526	join "\x00",	889	join "\x00",
527	$processversion,	890	$processversion,
528	map {	891	map {
529	Coro::cede;	892	cf::cede_to_tick;
530	($src->[$_], Digest::MD5::md5_hex $data[$_])	893	($src->[$_], Digest::MD5::md5_hex $data[$_])
531	} 0.. $#$src;	894	} 0.. $#$src;
532		895
533		896
534	my $dbmd5 = db_get cache => "$id/md5";	897	my $dbmd5 = db_get cache => "$id/md5";
…		…
537		900
538	return db_get cache => "$id/data";	901	return db_get cache => "$id/data";
539	}	902	}
540	}	903	}
541		904
542	my $t1 = Time::HiRes::time;	905	my $t1 = EV::time;
543	my $data = $process->(\@data);	906	my $data = $process->(\@data);
544	my $t2 = Time::HiRes::time;	907	my $t2 = EV::time;
545		908
546	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	909	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
547		910
548	db_put cache => "$id/data", $data;	911	db_put cache => "$id/data", $data;
549	db_put cache => "$id/md5" , $md5;	912	db_put cache => "$id/md5" , $md5;
550	db_put cache => "$id/meta", $meta;	913	db_put cache => "$id/meta", $meta;
551		914
…		…
561		924
562	=cut	925	=cut
563		926
564	sub datalog($@) {	927	sub datalog($@) {
565	my ($type, %kv) = @_;	928	my ($type, %kv) = @_;
566	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	929	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
567	}	930	}
568		931
569	=back	932	=back
570		933
571	=cut	934	=cut
572		935
573	#############################################################################	936	#############################################################################
574		937
575	=head2 ATTACHABLE OBJECTS	938	=head2 ATTACHABLE OBJECTS
576		939
577	Many objects in crossfire are so-called attachable objects. That means you can	940	Many objects in deliantra are so-called attachable objects. That means you can
578	attach callbacks/event handlers (a collection of which is called an "attachment")	941	attach callbacks/event handlers (a collection of which is called an "attachment")
579	to it. All such attachable objects support the following methods.	942	to it. All such attachable objects support the following methods.
580		943
581	In the following description, CLASS can be any of C<global>, C<object>	944	In the following description, CLASS can be any of C<global>, C<object>
582	C<player>, C<client> or C<map> (i.e. the attachable objects in	945	C<player>, C<client> or C<map> (i.e. the attachable objects in
583	Crossfire TRT).	946	Deliantra).
584		947
585	=over 4	948	=over 4
586		949
587	=item $attachable->attach ($attachment, key => $value...)	950	=item $attachable->attach ($attachment, key => $value...)
588		951
…		…
632	=item cf::CLASS::attachment $name, ...	995	=item cf::CLASS::attachment $name, ...
633		996
634	Register an attachment by C<$name> through which attachable objects of the	997	Register an attachment by C<$name> through which attachable objects of the
635	given CLASS can refer to this attachment.	998	given CLASS can refer to this attachment.
636		999
637	Some classes such as crossfire maps and objects can specify attachments	1000	Some classes such as deliantra maps and objects can specify attachments
638	that are attached at load/instantiate time, thus the need for a name.	1001	that are attached at load/instantiate time, thus the need for a name.
639		1002
640	These calls expect any number of the following handler/hook descriptions:	1003	These calls expect any number of the following handler/hook descriptions:
641		1004
642	=over 4	1005	=over 4
…		…
766		1129
767	} elsif (exists $cb_id{$type}) {	1130	} elsif (exists $cb_id{$type}) {
768	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1131	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
769		1132
770	} elsif (ref $type) {	1133	} elsif (ref $type) {
771	warn "attaching objects not supported, ignoring.\n";	1134	error "attaching objects not supported, ignoring.\n";
772		1135
773	} else {	1136	} else {
774	shift @arg;	1137	shift @arg;
775	warn "attach argument '$type' not supported, ignoring.\n";	1138	error "attach argument '$type' not supported, ignoring.\n";
776	}	1139	}
777	}	1140	}
778	}	1141	}
779		1142
780	sub _object_attach {	1143	sub _object_attach {
…		…
790	_attach $registry, $klass, @attach;	1153	_attach $registry, $klass, @attach;
791	}	1154	}
792		1155
793	$obj->{$name} = \%arg;	1156	$obj->{$name} = \%arg;
794	} else {	1157	} else {
795	warn "object uses attachment '$name' which is not available, postponing.\n";	1158	info "object uses attachment '$name' which is not available, postponing.\n";
796	}	1159	}
797		1160
798	$obj->{_attachment}{$name} = undef;	1161	$obj->{_attachment}{$name} = undef;
799	}	1162	}
800		1163
…		…
840	";	1203	";
841	die if $@;	1204	die if $@;
842	}	1205	}
843		1206
844	our $override;	1207	our $override;
845	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1208	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
846		1209
847	sub override {	1210	sub override {
848	$override = 1;	1211	$override = 1;
849	@invoke_results = ();	1212	@INVOKE_RESULTS = (@_);
850	}	1213	}
851		1214
852	sub do_invoke {	1215	sub do_invoke {
853	my $event = shift;	1216	my $event = shift;
854	my $callbacks = shift;	1217	my $callbacks = shift;
855		1218
856	@invoke_results = ();	1219	@INVOKE_RESULTS = ();
857		1220
858	local $override;	1221	local $override;
859		1222
860	for (@$callbacks) {	1223	for (@$callbacks) {
861	eval { &{$_->[1]} };	1224	eval { &{$_->[1]} };
862		1225
863	if ($@) {	1226	if ($@) {
864	warn "$@";
865	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1227	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
866	override;	1228	override;
867	}	1229	}
868		1230
869	return 1 if $override;	1231	return 1 if $override;
870	}	1232	}
871		1233
872	0	1234	0
873	}	1235	}
874		1236
875	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1237	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
876		1238
877	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1239	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
878		1240
879	Generate an object-specific event with the given arguments.	1241	Generate an object-specific event with the given arguments.
880		1242
881	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1243	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
882	removed in future versions), and there is no public API to access override	1244	removed in future versions), and there is no public API to access override
883	results (if you must, access C<@cf::invoke_results> directly).	1245	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
884		1246
885	=back	1247	=back
886		1248
887	=cut	1249	=cut
888		1250
889	#############################################################################	1251	#############################################################################
890	# object support	1252	# object support
		1253
		1254	sub _object_equal($$);
		1255	sub _object_equal($$) {
		1256	my ($a, $b) = @_;
		1257
		1258	return 0 unless (ref $a) eq (ref $b);
		1259
		1260	if ("HASH" eq ref $a) {
		1261	my @ka = keys %$a;
		1262	my @kb = keys %$b;
		1263
		1264	return 0 if @ka != @kb;
		1265
		1266	for (0 .. $#ka) {
		1267	return 0 unless $ka[$_] eq $kb[$_];
		1268	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1269	}
		1270
		1271	} elsif ("ARRAY" eq ref $a) {
		1272
		1273	return 0 if @$a != @$b;
		1274
		1275	for (0 .. $#$a) {
		1276	return 0 unless _object_equal $a->[$_], $b->[$_];
		1277	}
		1278
		1279	} elsif ($a ne $b) {
		1280	return 0;
		1281	}
		1282
		1283	1
		1284	}
		1285
		1286	our $SLOW_MERGES;#d#
		1287	sub _can_merge {
		1288	my ($ob1, $ob2) = @_;
		1289
		1290	++$SLOW_MERGES;#d#
		1291
		1292	# we do the slow way here
		1293	return _object_equal $ob1, $ob2
		1294	}
891		1295
892	sub reattach {	1296	sub reattach {
893	# basically do the same as instantiate, without calling instantiate	1297	# basically do the same as instantiate, without calling instantiate
894	my ($obj) = @_;	1298	my ($obj) = @_;
895		1299
		1300	# no longer needed after getting rid of delete_package?
896	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1301	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
897		1302
898	my $registry = $obj->registry;	1303	my $registry = $obj->registry;
899		1304
900	@$registry = ();	1305	@$registry = ();
901		1306
…		…
906	for (@$attach) {	1311	for (@$attach) {
907	my ($klass, @attach) = @$_;	1312	my ($klass, @attach) = @$_;
908	_attach $registry, $klass, @attach;	1313	_attach $registry, $klass, @attach;
909	}	1314	}
910	} else {	1315	} else {
911	warn "object uses attachment '$name' that is not available, postponing.\n";	1316	info "object uses attachment '$name' that is not available, postponing.\n";
912	}	1317	}
913	}	1318	}
914	}	1319	}
915		1320
916	cf::attachable->attach (	1321	cf::attachable->attach (
917	prio => -1000000,	1322	prio => -1000000,
918	on_instantiate => sub {	1323	on_instantiate => sub {
919	my ($obj, $data) = @_;	1324	my ($obj, $data) = @_;
920		1325
921	$data = from_json $data;	1326	$data = decode_json $data;
922		1327
923	for (@$data) {	1328	for (@$data) {
924	my ($name, $args) = @$_;	1329	my ($name, $args) = @$_;
925		1330
926	$obj->attach ($name, %{$args || {} });	1331	$obj->attach ($name, %{$args || {} });
…		…
942	sub object_freezer_save {	1347	sub object_freezer_save {
943	my ($filename, $rdata, $objs) = @_;	1348	my ($filename, $rdata, $objs) = @_;
944		1349
945	sync_job {	1350	sync_job {
946	if (length $$rdata) {	1351	if (length $$rdata) {
		1352	utf8::decode (my $decname = $filename);
947	warn sprintf "saving %s (%d,%d)\n",	1353	trace sprintf "saving %s (%d,%d)\n",
948	$filename, length $$rdata, scalar @$objs;	1354	$decname, length $$rdata, scalar @$objs
		1355	if $VERBOSE_IO;
949		1356
950	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1357	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
951	chmod SAVE_MODE, $fh;	1358	aio_chmod $fh, SAVE_MODE;
952	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1359	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
953	aio_fsync $fh if $cf::USE_FSYNC;	1360	if ($cf::USE_FSYNC) {
		1361	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;
		1362	aio_fsync $fh;
		1363	}
954	close $fh;	1364	aio_close $fh;
955		1365
956	if (@$objs) {	1366	if (@$objs) {
957	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1367	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1368	aio_chmod $fh, SAVE_MODE;
959	my $data = Storable::nfreeze { version => 1, objs => $objs };	1369	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
960	aio_write $fh, 0, (length $data), $data, 0;	1370	aio_write $fh, 0, (length $data), $data, 0;
961	aio_fsync $fh if $cf::USE_FSYNC;	1371	if ($cf::USE_FSYNC) {
		1372	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;
		1373	aio_fsync $fh;
		1374	}
962	close $fh;	1375	aio_close $fh;
963	aio_rename "$filename.pst~", "$filename.pst";	1376	aio_rename "$filename.pst~", "$filename.pst";
964	}	1377	}
965	} else {	1378	} else {
966	aio_unlink "$filename.pst";	1379	aio_unlink "$filename.pst";
967	}	1380	}
968		1381
969	aio_rename "$filename~", $filename;	1382	aio_rename "$filename~", $filename;
		1383
		1384	$filename =~ s%/[^/]+$%%;
		1385	aio_pathsync $filename if $cf::USE_FSYNC;
970	} else {	1386	} else {
971	warn "FATAL: $filename~: $!\n";	1387	error "unable to save objects: $filename~: $!\n";
972	}	1388	}
973	} else {	1389	} else {
974	aio_unlink $filename;	1390	aio_unlink $filename;
975	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
976	}	1392	}
977	}	1393	};
978	}	1394	}
979		1395
980	sub object_freezer_as_string {	1396	sub object_freezer_as_string {
981	my ($rdata, $objs) = @_;	1397	my ($rdata, $objs) = @_;
982		1398
…		…
994	or return;	1410	or return;
995		1411
996	unless (aio_stat "$filename.pst") {	1412	unless (aio_stat "$filename.pst") {
997	(aio_load "$filename.pst", $av) >= 0	1413	(aio_load "$filename.pst", $av) >= 0
998	or return;	1414	or return;
		1415
999	$av = eval { (Storable::thaw $av)->{objs} };	1416	my $st = eval { Coro::Storable::thaw $av };
		1417	$av = $st->{objs};
1000	}	1418	}
1001		1419
		1420	utf8::decode (my $decname = $filename);
1002	warn sprintf "loading %s (%d)\n",	1421	trace sprintf "loading %s (%d,%d)\n",
1003	$filename, length $data, scalar @{$av || []};	1422	$decname, length $data, scalar @{$av || []}
		1423	if $VERBOSE_IO;
		1424
1004	return ($data, $av);	1425	($data, $av)
1005	}	1426	}
1006		1427
1007	=head2 COMMAND CALLBACKS	1428	=head2 COMMAND CALLBACKS
1008		1429
1009	=over 4	1430	=over 4
…		…
1011	=cut	1432	=cut
1012		1433
1013	#############################################################################	1434	#############################################################################
1014	# command handling &c	1435	# command handling &c
1015		1436
1016	=item cf::register_command $name => \&callback($ob,$args);	1437	=item cf::register_command $name => \&callback($ob,$args)
1017		1438
1018	Register a callback for execution when the client sends the user command	1439	Register a callback for execution when the client sends the user command
1019	$name.	1440	$name.
1020		1441
1021	=cut	1442	=cut
…		…
1027	#warn "registering command '$name/$time' to '$caller'";	1448	#warn "registering command '$name/$time' to '$caller'";
1028		1449
1029	push @{ $COMMAND{$name} }, [$caller, $cb];	1450	push @{ $COMMAND{$name} }, [$caller, $cb];
1030	}	1451	}
1031		1452
1032	=item cf::register_extcmd $name => \&callback($pl,$packet);	1453	=item cf::register_extcmd $name => \&callback($pl,@args)
1033		1454
1034	Register a callback fro execution when the client sends an extcmd packet.	1455	Register a callback for execution when the client sends an (synchronous)
		1456	extcmd packet. Ext commands will be processed in the order they are
		1457	received by the server, like other user commands. The first argument is
		1458	the logged-in player. Ext commands can only be processed after a player
		1459	has logged in successfully.
1035		1460
1036	If the callback returns something, it is sent back as if reply was being	1461	The values will be sent back to the client.
1037	called.
1038		1462
1039	=cut	1463	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
1040		1464
		1465	Same as C<cf::register_extcmd>, but instead of returning values, the
		1466	callback needs to clal the C<$reply> function.
		1467
		1468	=item cf::register_exticmd $name => \&callback($ns,@args)
		1469
		1470	Register a callback for execution when the client sends an (asynchronous)
		1471	exticmd packet. Exti commands are processed by the server as soon as they
		1472	are received, i.e. out of order w.r.t. other commands. The first argument
		1473	is a client socket. Exti commands can be received anytime, even before
		1474	log-in.
		1475
		1476	The values will be sent back to the client.
		1477
		1478	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1479
		1480	Same as C<cf::register_extcmd>, but instead of returning values, the
		1481	callback needs to clal the C<$reply> function.
		1482
		1483	=cut
		1484
1041	sub register_extcmd {	1485	sub register_extcmd($$) {
1042	my ($name, $cb) = @_;	1486	my ($name, $cb) = @_;
1043		1487
1044	$EXTCMD{$name} = $cb;	1488	$EXTCMD{$name} = $cb;
1045	}	1489	}
1046		1490
		1491	sub register_async_extcmd($$) {
		1492	my ($name, $cb) = @_;
		1493
		1494	$EXTACMD{$name} = $cb;
		1495	}
		1496
		1497	sub register_exticmd($$) {
		1498	my ($name, $cb) = @_;
		1499
		1500	$EXTICMD{$name} = $cb;
		1501	}
		1502
		1503	sub register_async_exticmd($$) {
		1504	my ($name, $cb) = @_;
		1505
		1506	$EXTIACMD{$name} = $cb;
		1507	}
		1508
		1509	use File::Glob ();
		1510
1047	cf::player->attach (	1511	cf::player->attach (
1048	on_command => sub {	1512	on_unknown_command => sub {
1049	my ($pl, $name, $params) = @_;	1513	my ($pl, $name, $params) = @_;
1050		1514
1051	my $cb = $COMMAND{$name}	1515	my $cb = $COMMAND{$name}
1052	or return;	1516	or return;
1053		1517
…		…
1058	cf::override;	1522	cf::override;
1059	},	1523	},
1060	on_extcmd => sub {	1524	on_extcmd => sub {
1061	my ($pl, $buf) = @_;	1525	my ($pl, $buf) = @_;
1062		1526
1063	my $msg = eval { from_json $buf };	1527	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1064		1528
1065	if (ref $msg) {	1529	if (ref $msg) {
		1530	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1531
1066	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1532	if (my $cb = $EXTACMD{$type}) {
1067	if (my %reply = $cb->($pl, $msg)) {	1533	$cb->(
1068	$pl->ext_reply ($msg->{msgid}, %reply);	1534	$pl,
		1535	sub {
		1536	$pl->ext_msg ("reply-$reply", @_)
		1537	if $reply;
		1538	},
		1539	@payload
		1540	);
		1541	} else {
		1542	my @reply;
		1543
		1544	if (my $cb = $EXTCMD{$type}) {
		1545	@reply = $cb->($pl, @payload);
1069	}	1546	}
		1547
		1548	$pl->ext_msg ("reply-$reply", @reply)
		1549	if $reply;
1070	}	1550	}
		1551
1071	} else {	1552	} else {
1072	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1553	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1073	}	1554	}
1074		1555
1075	cf::override;	1556	cf::override;
1076	},	1557	},
1077	);	1558	);
1078		1559
		1560	# "readahead" all extensions
		1561	sub cache_extensions {
		1562	my $grp = IO::AIO::aio_group;
		1563
		1564	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1565	for (grep /\.ext$/, @{$_[0]}) {
		1566	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1567	}
		1568	};
		1569
		1570	$grp
		1571	}
		1572
		1573	sub _ext_cfg_reg($$$$) {
		1574	my ($rvar, $varname, $cfgname, $default) = @_;
		1575
		1576	$cfgname = lc $varname
		1577	unless length $cfgname;
		1578
		1579	$EXT_CFG{$cfgname} = [$rvar, $default];
		1580
		1581	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1582	}
		1583
1079	sub load_extensions {	1584	sub load_extensions {
		1585	info "loading extensions...";
		1586
		1587	%EXT_CFG = ();
		1588
1080	cf::sync_job {	1589	cf::sync_job {
1081	my %todo;	1590	my %todo;
1082		1591
1083	for my $path (<$LIBDIR/*.ext>) {	1592	for my $path (<$LIBDIR/*.ext>) {
1084	next unless -r $path;	1593	next unless -r $path;
…		…
1102		1611
1103	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1612	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1104	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1613	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1105		1614
1106	$ext{source} =	1615	$ext{source} =
1107	"package $pkg; use strict; use utf8;\n"	1616	"package $pkg; use common::sense;\n"
1108	. "#line 1 \"$path\"\n{\n"	1617	. "#line 1 \"$path\"\n{\n"
1109	. $source	1618	. $source
1110	. "\n};\n1";	1619	. "\n};\n1";
1111		1620
1112	$todo{$base} = \%ext;	1621	$todo{$base} = \%ext;
1113	}	1622	}
1114		1623
		1624	my $pass = 0;
1115	my %done;	1625	my %done;
1116	while (%todo) {	1626	while (%todo) {
1117	my $progress;	1627	my $progress;
1118		1628
		1629	++$pass;
		1630
		1631	ext:
1119	while (my ($k, $v) = each %todo) {	1632	while (my ($k, $v) = each %todo) {
1120	for (split /,\s*/, $v->{meta}{depends}) {	1633	for (split /,\s*/, $v->{meta}{depends}) {
1121	goto skip	1634	next ext
1122	unless exists $done{$_};	1635	unless exists $done{$_};
1123	}	1636	}
1124		1637
1125	warn "... loading '$k' into '$v->{pkg}'\n";	1638	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1126		1639
1127	unless (eval $v->{source}) {	1640	my $source = $v->{source};
		1641
		1642	# support "CONF varname :confname = default" pseudo-statements
		1643	$source =~ s{
		1644	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1645	}{
		1646	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1647	}gmxe;
		1648
		1649	my $active = eval $source;
		1650
		1651	if (length $@) {
1128	my $msg = $@ ? "$v->{path}: $@\n"	1652	error "$v->{path}: $@\n";
1129	: "$v->{base}: extension inactive.\n";
1130		1653
		1654	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1131	if (exists $v->{meta}{mandatory}) {	1655	if exists $v->{meta}{mandatory};
1132	warn $msg;	1656
1133	warn "mandatory extension failed to load, exiting.\n";	1657	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1134	exit 1;	1658	delete $todo{$k};
1135	}	1659	} else {
1136		1660	$done{$k} = delete $todo{$k};
1137	warn $msg;	1661	push @EXTS, $v->{pkg};
		1662	$progress = 1;
		1663
		1664	info "$v->{base}: extension inactive.\n"
		1665	unless $active;
1138	}	1666	}
1139
1140	$done{$k} = delete $todo{$k};
1141	push @EXTS, $v->{pkg};
1142	$progress = 1;
1143	}	1667	}
1144		1668
1145	skip:	1669	unless ($progress) {
1146	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1670	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1147	unless $progress;	1671
		1672	while (my ($k, $v) = each %todo) {
		1673	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1674	if exists $v->{meta}{mandatory};
		1675	}
		1676
		1677	last;
		1678	}
1148	}	1679	}
1149	};	1680	};
1150	}	1681	}
1151		1682
1152	#############################################################################	1683	#############################################################################
1153		1684
1154	=back	1685	=back
1155		1686
1156	=head2 CORE EXTENSIONS	1687	=head2 CORE EXTENSIONS
1157		1688
1158	Functions and methods that extend core crossfire objects.	1689	Functions and methods that extend core deliantra objects.
1159		1690
1160	=cut	1691	=cut
1161		1692
1162	package cf::player;	1693	package cf::player;
1163		1694
1164	use Coro::AIO;	1695	use Coro::AIO;
1165		1696
1166	=head3 cf::player	1697	=head3 cf::player
1167		1698
1168	=over 4	1699	=over 4
		1700
		1701	=item cf::player::num_playing
		1702
		1703	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1704
		1705	=cut
		1706
		1707	sub num_playing {
		1708	scalar grep
		1709	$_->ob->map
		1710	&& !$_->hidden
		1711	&& !$_->ob->flag (cf::FLAG_WIZ),
		1712	cf::player::list
		1713	}
1169		1714
1170	=item cf::player::find $login	1715	=item cf::player::find $login
1171		1716
1172	Returns the given player object, loading it if necessary (might block).	1717	Returns the given player object, loading it if necessary (might block).
1173		1718
…		…
1192		1737
1193	sub exists($) {	1738	sub exists($) {
1194	my ($login) = @_;	1739	my ($login) = @_;
1195		1740
1196	$cf::PLAYER{$login}	1741	$cf::PLAYER{$login}
1197	or cf::sync_job { !aio_stat path $login }	1742	or !aio_stat path $login
1198	}	1743	}
1199		1744
1200	sub find($) {	1745	sub find($) {
1201	return $cf::PLAYER{$_[0]} || do {	1746	return $cf::PLAYER{$_[0]} || do {
1202	my $login = $_[0];	1747	my $login = $_[0];
…		…
1209	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1754	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1210	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1755	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1211	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1756	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1212	aio_unlink +(playerdir $login) . "/$login.pl";	1757	aio_unlink +(playerdir $login) . "/$login.pl";
1213		1758
1214	my $pl = load_pl path $login	1759	my $f = new_from_file cf::object::thawer path $login
1215	or return;	1760	or return;
		1761
		1762	my $pl = cf::player::load_pl $f
		1763	or return;
		1764
		1765	local $cf::PLAYER_LOADING{$login} = $pl;
		1766	$f->resolve_delayed_derefs;
1216	$cf::PLAYER{$login} = $pl	1767	$cf::PLAYER{$login} = $pl
1217	}	1768	}
1218	}	1769	}
1219	}	1770	}
		1771
		1772	cf::player->attach (
		1773	on_load => sub {
		1774	my ($pl, $path) = @_;
		1775
		1776	# restore slots saved in save, below
		1777	my $slots = delete $pl->{_slots};
		1778
		1779	$pl->ob->current_weapon ($slots->[0]);
		1780	$pl->combat_ob ($slots->[1]);
		1781	$pl->ranged_ob ($slots->[2]);
		1782	},
		1783	);
1220		1784
1221	sub save($) {	1785	sub save($) {
1222	my ($pl) = @_;	1786	my ($pl) = @_;
1223		1787
1224	return if $pl->{deny_save};	1788	return if $pl->{deny_save};
…		…
1229	return if $pl->{deny_save};	1793	return if $pl->{deny_save};
1230		1794
1231	aio_mkdir playerdir $pl, 0770;	1795	aio_mkdir playerdir $pl, 0770;
1232	$pl->{last_save} = $cf::RUNTIME;	1796	$pl->{last_save} = $cf::RUNTIME;
1233		1797
		1798	cf::get_slot 0.01;
		1799
		1800	# save slots, to be restored later
		1801	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1802
1234	$pl->save_pl ($path);	1803	$pl->save_pl ($path);
1235	Coro::cede;	1804	cf::cede_to_tick;
1236	}	1805	}
1237		1806
1238	sub new($) {	1807	sub new($) {
1239	my ($login) = @_;	1808	my ($login) = @_;
1240		1809
…		…
1246	$cf::PLAYER{$login} = $self;	1815	$cf::PLAYER{$login} = $self;
1247		1816
1248	$self	1817	$self
1249	}	1818	}
1250		1819
		1820	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1821
		1822	=cut
		1823
		1824	sub send_msg {
		1825	my $ns = shift->ns
		1826	or return;
		1827	$ns->send_msg (@_);
		1828	}
		1829
1251	=item $pl->quit_character	1830	=item $pl->quit_character
1252		1831
1253	Nukes the player without looking back. If logged in, the connection will	1832	Nukes the player without looking back. If logged in, the connection will
1254	be destroyed. May block for a long time.	1833	be destroyed. May block for a long time.
1255		1834
…		…
1259	my ($pl) = @_;	1838	my ($pl) = @_;
1260		1839
1261	my $name = $pl->ob->name;	1840	my $name = $pl->ob->name;
1262		1841
1263	$pl->{deny_save} = 1;	1842	$pl->{deny_save} = 1;
1264	$pl->password ("*"); # this should lock out the player until we nuked the dir	1843	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1265		1844
1266	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1845	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1267	$pl->deactivate;	1846	$pl->deactivate;
		1847
		1848	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1268	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1849	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1850	ext::highscore::check ($pl->ob);
		1851
1269	$pl->ns->destroy if $pl->ns;	1852	$pl->ns->destroy if $pl->ns;
1270		1853
1271	my $path = playerdir $pl;	1854	my $path = playerdir $pl;
1272	my $temp = "$path~$cf::RUNTIME~deleting~";	1855	my $temp = "$path~$cf::RUNTIME~deleting~";
1273	aio_rename $path, $temp;	1856	aio_rename $path, $temp;
…		…
1308	or return [];	1891	or return [];
1309		1892
1310	my @logins;	1893	my @logins;
1311		1894
1312	for my $login (@$dirs) {	1895	for my $login (@$dirs) {
		1896	my $path = path $login;
		1897
		1898	# a .pst is a dead give-away for a valid player
		1899	# if no pst file found, open and chekc for blocked users
		1900	if (aio_stat "$path.pst") {
1313	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1901	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1314	aio_read $fh, 0, 512, my $buf, 0 or next;	1902	aio_read $fh, 0, 512, my $buf, 0 or next;
1315	$buf !~ /^password -------------$/m or next; # official not-valid tag	1903	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1904	}
1316		1905
1317	utf8::decode $login;	1906	utf8::decode $login;
1318	push @logins, $login;	1907	push @logins, $login;
1319	}	1908	}
1320		1909
1321	\@logins	1910	\@logins
1322	}	1911	}
1323		1912
1324	=item $player->maps	1913	=item $player->maps
		1914
		1915	=item cf::player::maps $login
1325		1916
1326	Returns an arrayref of map paths that are private for this	1917	Returns an arrayref of map paths that are private for this
1327	player. May block.	1918	player. May block.
1328		1919
1329	=cut	1920	=cut
…		…
1347	}	1938	}
1348		1939
1349	\@paths	1940	\@paths
1350	}	1941	}
1351		1942
1352	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1943	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1353		1944
1354	Expand crossfire pod fragments into protocol xml.	1945	Expand deliantra pod fragments into protocol xml.
1355		1946
1356	=cut
1357
1358	sub expand_cfpod {
1359	((my $self), (local $_)) = @_;
1360
1361	# escape & and <
1362	s/&/&amp;/g;
1363	s/(?<![BIUGH])</&lt;/g;
1364
1365	# this is buggy, it needs to properly take care of nested <'s
1366
1367	1 while
1368	# replace B<>, I<>, U<> etc.
1369	s/B<([^\>]*)>/<b>$1<\/b>/
1370	|| s/I<([^\>]*)>/<i>$1<\/i>/
1371	|| s/U<([^\>]*)>/<u>$1<\/u>/
1372	# replace G<male|female> tags
1373	|| s{G<([^>|]*)\|([^>]*)>}{
1374	$self->gender ? $2 : $1
1375	}ge
1376	# replace H<hint text>
1377	|| s/H<([^\>]*)>/<fg name="lightblue">[$1]<\/fg>/g;
1378
1379	# create single paragraphs (very hackish)
1380	s/(?<=\S)\n(?=\w)/ /g;
1381
1382	$_
1383	}
1384
1385	=item $player->ext_reply ($msgid, %msg)
1386
1387	Sends an ext reply to the player.
1388
1389	=cut
1390
1391	sub ext_reply($$%) {
1392	my ($self, $id, %msg) = @_;
1393
1394	$msg{msgid} = $id;
1395
1396	$self->send ("ext " . cf::to_json \%msg);
1397	}
1398
1399	=item $player->ext_event ($type, %msg)	1947	=item $player->ext_msg ($type, @msg)
1400		1948
1401	Sends an ext event to the client.	1949	Sends an ext event to the client.
1402		1950
1403	=cut	1951	=cut
1404		1952
1405	sub ext_event($$%) {	1953	sub ext_msg($$@) {
1406	my ($self, $type, %msg) = @_;	1954	my ($self, $type, @msg) = @_;
1407		1955
1408	$self->ns->ext_event ($type, %msg);	1956	$self->ns->ext_msg ($type, @msg);
1409	}	1957	}
1410		1958
1411	=head3 cf::region	1959	=head3 cf::region
1412		1960
1413	=over 4	1961	=over 4
…		…
1423	=cut	1971	=cut
1424		1972
1425	sub find_by_path($) {	1973	sub find_by_path($) {
1426	my ($path) = @_;	1974	my ($path) = @_;
1427		1975
		1976	$path =~ s/^~[^\/]*//; # skip ~login
		1977
1428	my ($match, $specificity);	1978	my ($match, $specificity);
1429		1979
1430	for my $region (list) {	1980	for my $region (list) {
1431	if ($region->match && $path =~ $region->match) {	1981	if ($region->{match} && $path =~ $region->{match}) {
1432	($match, $specificity) = ($region, $region->specificity)	1982	($match, $specificity) = ($region, $region->specificity)
1433	if $region->specificity > $specificity;	1983	if $region->specificity > $specificity;
1434	}	1984	}
1435	}	1985	}
1436		1986
…		…
1457	our $MAX_RESET = 3600;	2007	our $MAX_RESET = 3600;
1458	our $DEFAULT_RESET = 3000;	2008	our $DEFAULT_RESET = 3000;
1459		2009
1460	sub generate_random_map {	2010	sub generate_random_map {
1461	my ($self, $rmp) = @_;	2011	my ($self, $rmp) = @_;
1462	# mit "rum" bekleckern, nicht	2012
		2013	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2014
1463	$self->_create_random_map (	2015	$self->_create_random_map ($rmp);
1464	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1465	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1466	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1467	$rmp->{exit_on_final_map},
1468	$rmp->{xsize}, $rmp->{ysize},
1469	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1470	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1471	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1472	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1473	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1474	(cf::region::find $rmp->{region}), $rmp->{custom}
1475	)
1476	}	2016	}
1477		2017
1478	=item cf::map->register ($regex, $prio)	2018	=item cf::map->register ($regex, $prio)
1479		2019
1480	Register a handler for the map path matching the given regex at the	2020	Register a handler for the map path matching the given regex at the
…		…
1485		2025
1486	sub register {	2026	sub register {
1487	my (undef, $regex, $prio) = @_;	2027	my (undef, $regex, $prio) = @_;
1488	my $pkg = caller;	2028	my $pkg = caller;
1489		2029
1490	no strict;
1491	push @{"$pkg\::ISA"}, __PACKAGE__;	2030	push @{"$pkg\::ISA"}, __PACKAGE__;
1492		2031
1493	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2032	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1494	}	2033	}
1495		2034
1496	# also paths starting with '/'	2035	# also paths starting with '/'
1497	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2036	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1498		2037
1499	sub thawer_merge {	2038	sub thawer_merge {
1500	my ($self, $merge) = @_;	2039	my ($self, $merge) = @_;
1501		2040
1502	# we have to keep some variables in memory intact	2041	# we have to keep some variables in memory intact
…		…
1507	}	2046	}
1508		2047
1509	sub normalise {	2048	sub normalise {
1510	my ($path, $base) = @_;	2049	my ($path, $base) = @_;
1511		2050
1512	$path = "$path"; # make sure its a string	2051	$path = "$path"; # make sure it's a string
1513		2052
1514	$path =~ s/\.map$//;	2053	$path =~ s/\.map$//;
1515		2054
1516	# map plan:	2055	# map plan:
1517	#	2056	#
…		…
1532	$base =~ s{[^/]+/?$}{};	2071	$base =~ s{[^/]+/?$}{};
1533	$path = "$base/$path";	2072	$path = "$base/$path";
1534	}	2073	}
1535		2074
1536	for ($path) {	2075	for ($path) {
1537	redo if s{//}{/};
1538	redo if s{/\.?/}{/};	2076	redo if s{/\.?/}{/};
1539	redo if s{/[^/]+/\.\./}{/};	2077	redo if s{/[^/]+/\.\./}{/};
1540	}	2078	}
1541		2079
1542	$path	2080	$path
…		…
1556	$self->init; # pass $1 etc.	2094	$self->init; # pass $1 etc.
1557	return $self;	2095	return $self;
1558	}	2096	}
1559	}	2097	}
1560		2098
1561	Carp::carp "unable to resolve path '$path' (base '$base').";	2099	Carp::cluck "unable to resolve path '$path' (base '$base')";
1562	()	2100	()
1563	}	2101	}
1564		2102
		2103	# may re-bless or do other evil things
1565	sub init {	2104	sub init {
1566	my ($self) = @_;	2105	my ($self) = @_;
1567		2106
1568	$self	2107	$self
1569	}	2108	}
…		…
1588		2127
1589	# the temporary/swap location	2128	# the temporary/swap location
1590	sub save_path {	2129	sub save_path {
1591	my ($self) = @_;	2130	my ($self) = @_;
1592		2131
1593	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2132	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1594	"$TMPDIR/$path.map"	2133	"$TMPDIR/$path.map"
1595	}	2134	}
1596		2135
1597	# the unique path, undef == no special unique path	2136	# the unique path, undef == no special unique path
1598	sub uniq_path {	2137	sub uniq_path {
1599	my ($self) = @_;	2138	my ($self) = @_;
1600		2139
1601	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2140	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1602	"$UNIQUEDIR/$path"	2141	"$UNIQUEDIR/$path"
1603	}
1604
1605	# and all this just because we cannot iterate over
1606	# all maps in C++...
1607	sub change_all_map_light {
1608	my ($change) = @_;
1609
1610	$_->change_map_light ($change)
1611	for grep $_->outdoor, values %cf::MAP;
1612	}	2142	}
1613		2143
1614	sub decay_objects {	2144	sub decay_objects {
1615	my ($self) = @_;	2145	my ($self) = @_;
1616		2146
…		…
1629		2159
1630	sub load_header_from($) {	2160	sub load_header_from($) {
1631	my ($self, $path) = @_;	2161	my ($self, $path) = @_;
1632		2162
1633	utf8::encode $path;	2163	utf8::encode $path;
1634	#aio_open $path, O_RDONLY, 0	2164	my $f = new_from_file cf::object::thawer $path
1635	# or return;
1636
1637	$self->_load_header ($path)
1638	or return;	2165	or return;
1639		2166
		2167	$self->_load_header ($f)
		2168	or return;
		2169
		2170	local $MAP_LOADING{$self->{path}} = $self;
		2171	$f->resolve_delayed_derefs;
		2172
1640	$self->{load_path} = $path;	2173	$self->{load_path} = $path;
1641		2174
1642	1	2175	1
1643	}	2176	}
1644		2177
		2178	# used to laod the header of an original map
1645	sub load_header_orig {	2179	sub load_header_orig {
1646	my ($self) = @_;	2180	my ($self) = @_;
1647		2181
1648	$self->load_header_from ($self->load_path)	2182	$self->load_header_from ($self->load_path)
1649	}	2183	}
1650		2184
		2185	# used to laod the header of an instantiated map
1651	sub load_header_temp {	2186	sub load_header_temp {
1652	my ($self) = @_;	2187	my ($self) = @_;
1653		2188
1654	$self->load_header_from ($self->save_path)	2189	$self->load_header_from ($self->save_path)
1655	}	2190	}
1656		2191
		2192	# called after loading the header from an instantiated map
1657	sub prepare_temp {	2193	sub prepare_temp {
1658	my ($self) = @_;	2194	my ($self) = @_;
1659		2195
1660	$self->last_access ((delete $self->{last_access})	2196	$self->last_access ((delete $self->{last_access})
1661	|| $cf::RUNTIME); #d#	2197	|| $cf::RUNTIME); #d#
1662	# safety	2198	# safety
1663	$self->{instantiate_time} = $cf::RUNTIME	2199	$self->{instantiate_time} = $cf::RUNTIME
1664	if $self->{instantiate_time} > $cf::RUNTIME;	2200	if $self->{instantiate_time} > $cf::RUNTIME;
1665	}	2201	}
1666		2202
		2203	# called after loading the header from an original map
1667	sub prepare_orig {	2204	sub prepare_orig {
1668	my ($self) = @_;	2205	my ($self) = @_;
1669		2206
1670	$self->{load_original} = 1;	2207	$self->{load_original} = 1;
1671	$self->{instantiate_time} = $cf::RUNTIME;	2208	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1695		2232
1696	sub find;	2233	sub find;
1697	sub find {	2234	sub find {
1698	my ($path, $origin) = @_;	2235	my ($path, $origin) = @_;
1699		2236
		2237	cf::cede_to_tick;
		2238
1700	$path = normalise $path, $origin && $origin->path;	2239	$path = normalise $path, $origin;
1701		2240
		2241	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1702	cf::lock_wait "map_find:$path";	2242	my $guard2 = cf::lock_acquire "map_find:$path";
1703		2243
1704	$cf::MAP{$path} || do {	2244	$cf::MAP{$path} || do {
1705	my $guard = cf::lock_acquire "map_find:$path";
1706	my $map = new_from_path cf::map $path	2245	my $map = new_from_path cf::map $path
1707	or return;	2246	or return;
1708		2247
1709	$map->{last_save} = $cf::RUNTIME;	2248	$map->{last_save} = $cf::RUNTIME;
1710		2249
…		…
1712	or return;	2251	or return;
1713		2252
1714	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2253	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1715	# doing this can freeze the server in a sync job, obviously	2254	# doing this can freeze the server in a sync job, obviously
1716	#$cf::WAIT_FOR_TICK->wait;	2255	#$cf::WAIT_FOR_TICK->wait;
		2256	undef $guard2;
		2257	undef $guard1;
1717	$map->reset;	2258	$map->reset;
1718	undef $guard;
1719	return find $path;	2259	return find $path;
1720	}	2260	}
1721		2261
1722	$cf::MAP{$path} = $map	2262	$cf::MAP{$path} = $map
1723	}	2263	}
1724	}	2264	}
1725		2265
1726	sub pre_load { }	2266	sub pre_load { }
1727	sub post_load { }	2267	#sub post_load { } # XS
1728		2268
1729	sub load {	2269	sub load {
1730	my ($self) = @_;	2270	my ($self) = @_;
1731		2271
1732	local $self->{deny_reset} = 1; # loading can take a long time	2272	local $self->{deny_reset} = 1; # loading can take a long time
1733		2273
1734	my $path = $self->{path};	2274	my $path = $self->{path};
1735		2275
1736	{	2276	{
1737	my $guard = cf::lock_acquire "map_load:$path";	2277	my $guard = cf::lock_acquire "map_data:$path";
1738		2278
		2279	return unless $self->valid;
1739	return if $self->in_memory != cf::MAP_SWAPPED;	2280	return unless $self->state == cf::MAP_SWAPPED;
1740
1741	$self->in_memory (cf::MAP_LOADING);
1742		2281
1743	$self->alloc;	2282	$self->alloc;
1744		2283
1745	$self->pre_load;	2284	$self->pre_load;
1746	Coro::cede;	2285	cf::cede_to_tick;
1747		2286
1748	$self->_load_objects ($self->{load_path}, 1)	2287	if (exists $self->{load_path}) {
		2288	my $f = new_from_file cf::object::thawer $self->{load_path};
		2289	$f->skip_block;
		2290	$self->_load_objects ($f)
1749	or return;	2291	or return;
1750		2292
1751	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2293	$self->post_load_original
1752	if delete $self->{load_original};	2294	if delete $self->{load_original};
1753		2295
1754	if (my $uniq = $self->uniq_path) {	2296	if (my $uniq = $self->uniq_path) {
1755	utf8::encode $uniq;	2297	utf8::encode $uniq;
1756	if (aio_open $uniq, O_RDONLY, 0) {	2298	unless (aio_stat $uniq) {
		2299	if (my $f = new_from_file cf::object::thawer $uniq) {
1757	$self->clear_unique_items;	2300	$self->clear_unique_items;
1758	$self->_load_objects ($uniq, 0);	2301	$self->_load_objects ($f);
		2302	$f->resolve_delayed_derefs;
		2303	}
		2304	}
1759	}	2305	}
1760	}
1761		2306
1762	Coro::cede;	2307	$f->resolve_delayed_derefs;
		2308	} else {
		2309	$self->post_load_original
		2310	if delete $self->{load_original};
		2311	}
		2312
		2313	$self->state (cf::MAP_INACTIVE);
		2314
		2315	cf::cede_to_tick;
1763	# now do the right thing for maps	2316	# now do the right thing for maps
1764	$self->link_multipart_objects;	2317	$self->link_multipart_objects;
1765	$self->difficulty ($self->estimate_difficulty)	2318	$self->difficulty ($self->estimate_difficulty)
1766	unless $self->difficulty;	2319	unless $self->difficulty;
1767	Coro::cede;	2320	cf::cede_to_tick;
1768		2321
1769	unless ($self->{deny_activate}) {	2322	unless ($self->{deny_activate}) {
1770	$self->decay_objects;	2323	$self->decay_objects;
1771	$self->fix_auto_apply;	2324	$self->fix_auto_apply;
1772	$self->update_buttons;	2325	$self->update_buttons;
1773	Coro::cede;	2326	cf::cede_to_tick;
1774	$self->set_darkness_map;	2327	#$self->activate; # no longer activate maps automatically
1775	Coro::cede;
1776	$self->activate;
1777	}	2328	}
1778		2329
1779	$self->in_memory (cf::MAP_IN_MEMORY);	2330	$self->{last_save} = $cf::RUNTIME;
		2331	$self->last_access ($cf::RUNTIME);
1780	}	2332	}
1781		2333
1782	$self->post_load;	2334	$self->post_load;
1783	}
1784		2335
		2336	1
		2337	}
		2338
		2339	# customize the map for a given player, i.e.
		2340	# return the _real_ map. used by e.g. per-player
		2341	# maps to change the path to ~playername/mappath
1785	sub customise_for {	2342	sub customise_for {
1786	my ($self, $ob) = @_;	2343	my ($self, $ob) = @_;
1787		2344
1788	return find "~" . $ob->name . "/" . $self->{path}	2345	return find "~" . $ob->name . "/" . $self->{path}
1789	if $self->per_player;	2346	if $self->per_player;
…		…
1792	# if $self->per_party;	2349	# if $self->per_party;
1793		2350
1794	$self	2351	$self
1795	}	2352	}
1796		2353
1797	# find and load all maps in the 3x3 area around a map
1798	sub load_diag {
1799	my ($map) = @_;
1800
1801	my @diag; # diagonal neighbours
1802
1803	for (0 .. 3) {
1804	my $neigh = $map->tile_path ($_)
1805	or next;
1806	$neigh = find $neigh, $map
1807	or next;
1808	$neigh->load;
1809
1810	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1811	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1812	}
1813
1814	for (@diag) {
1815	my $neigh = find @$_
1816	or next;
1817	$neigh->load;
1818	}
1819	}
1820
1821	sub find_sync {	2354	sub find_sync {
1822	my ($path, $origin) = @_;	2355	my ($path, $origin) = @_;
1823		2356
1824	cf::sync_job { find $path, $origin }	2357	# it's a bug to call this from the main context
		2358	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2359	if $Coro::current == $Coro::main;
		2360
		2361	find $path, $origin
1825	}	2362	}
1826		2363
1827	sub do_load_sync {	2364	sub do_load_sync {
1828	my ($map) = @_;	2365	my ($map) = @_;
1829		2366
1830	cf::sync_job { $map->load };	2367	# it's a bug to call this from the main context
		2368	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2369	if $Coro::current == $Coro::main;
		2370
		2371	$map->load;
1831	}	2372	}
1832		2373
1833	our %MAP_PREFETCH;	2374	our %MAP_PREFETCH;
1834	our $MAP_PREFETCHER = undef;	2375	our $MAP_PREFETCHER = undef;
1835		2376
1836	sub find_async {	2377	sub find_async {
1837	my ($path, $origin) = @_;	2378	my ($path, $origin, $load) = @_;
1838		2379
1839	$path = normalise $path, $origin && $origin->{path};	2380	$path = normalise $path, $origin;
1840		2381
1841	if (my $map = $cf::MAP{$path}) {	2382	if (my $map = $cf::MAP{$path}) {
1842	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2383	return $map if !$load || $map->linkable;
1843	}	2384	}
1844		2385
1845	undef $MAP_PREFETCH{$path};	2386	$MAP_PREFETCH{$path} |= $load;
		2387
1846	$MAP_PREFETCHER ||= cf::async {	2388	$MAP_PREFETCHER ||= cf::async {
		2389	$Coro::current->{desc} = "map prefetcher";
		2390
1847	while (%MAP_PREFETCH) {	2391	while (%MAP_PREFETCH) {
1848	for my $path (keys %MAP_PREFETCH) {	2392	while (my ($k, $v) = each %MAP_PREFETCH) {
1849	my $map = find $path	2393	if (my $map = find $k) {
1850	or next;
1851	$map->load;	2394	$map->load if $v;
		2395	}
1852		2396
1853	delete $MAP_PREFETCH{$path};	2397	delete $MAP_PREFETCH{$k};
1854	}	2398	}
1855	}	2399	}
1856	undef $MAP_PREFETCHER;	2400	undef $MAP_PREFETCHER;
1857	};	2401	};
1858	$MAP_PREFETCHER->prio (6);	2402	$MAP_PREFETCHER->prio (6);
1859		2403
1860	()	2404	()
1861	}	2405	}
1862		2406
		2407	# common code, used by both ->save and ->swapout
1863	sub save {	2408	sub _save {
1864	my ($self) = @_;	2409	my ($self) = @_;
1865
1866	my $lock = cf::lock_acquire "map_data:" . $self->path;
1867		2410
1868	$self->{last_save} = $cf::RUNTIME;	2411	$self->{last_save} = $cf::RUNTIME;
1869		2412
1870	return unless $self->dirty;	2413	return unless $self->dirty;
1871		2414
…		…
1877	return if $self->{deny_save};	2420	return if $self->{deny_save};
1878		2421
1879	local $self->{last_access} = $self->last_access;#d#	2422	local $self->{last_access} = $self->last_access;#d#
1880		2423
1881	cf::async {	2424	cf::async {
		2425	$Coro::current->{desc} = "map player save";
1882	$_->contr->save for $self->players;	2426	$_->contr->save for $self->players;
1883	};	2427	};
		2428
		2429	cf::get_slot 0.02;
1884		2430
1885	if ($uniq) {	2431	if ($uniq) {
1886	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1887	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2433	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1888	} else {	2434	} else {
1889	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2435	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1890	}	2436	}
1891	}	2437	}
1892		2438
		2439	sub save {
		2440	my ($self) = @_;
		2441
		2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2443
		2444	$self->_save;
		2445	}
		2446
1893	sub swap_out {	2447	sub swap_out {
1894	my ($self) = @_;	2448	my ($self) = @_;
1895		2449
1896	# save first because save cedes
1897	$self->save;
1898
1899	my $lock = cf::lock_acquire "map_data:" . $self->path;	2450	my $lock = cf::lock_acquire "map_data:$self->{path}";
1900		2451
		2452	return if !$self->linkable;
		2453	return if $self->{deny_save};
1901	return if $self->players;	2454	return if $self->players;
1902	return if $self->in_memory != cf::MAP_IN_MEMORY;
1903	return if $self->{deny_save};
1904		2455
		2456	# first deactivate the map and "unlink" it from the core
		2457	$self->deactivate;
		2458	$_->clear_links_to ($self) for values %cf::MAP;
		2459	$self->state (cf::MAP_SWAPPED);
		2460
		2461	# then atomically save
		2462	$self->_save;
		2463
		2464	# then free the map
1905	$self->clear;	2465	$self->clear;
1906	$self->in_memory (cf::MAP_SWAPPED);
1907	}	2466	}
1908		2467
1909	sub reset_at {	2468	sub reset_at {
1910	my ($self) = @_;	2469	my ($self) = @_;
1911		2470
…		…
1929		2488
1930	my $lock = cf::lock_acquire "map_data:$self->{path}";	2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
1931		2490
1932	return if $self->players;	2491	return if $self->players;
1933		2492
1934	warn "resetting map ", $self->path;	2493	cf::trace "resetting map ", $self->path, "\n";
1935		2494
1936	$self->in_memory (cf::MAP_SWAPPED);	2495	$self->state (cf::MAP_SWAPPED);
1937		2496
1938	# need to save uniques path	2497	# need to save uniques path
1939	unless ($self->{deny_save}) {	2498	unless ($self->{deny_save}) {
1940	my $uniq = $self->uniq_path; utf8::encode $uniq;	2499	my $uniq = $self->uniq_path; utf8::encode $uniq;
1941		2500
…		…
1943	if $uniq;	2502	if $uniq;
1944	}	2503	}
1945		2504
1946	delete $cf::MAP{$self->path};	2505	delete $cf::MAP{$self->path};
1947		2506
		2507	$self->deactivate;
		2508	$_->clear_links_to ($self) for values %cf::MAP;
1948	$self->clear;	2509	$self->clear;
1949
1950	$_->clear_links_to ($self) for values %cf::MAP;
1951		2510
1952	$self->unlink_save;	2511	$self->unlink_save;
1953	$self->destroy;	2512	$self->destroy;
1954	}	2513	}
1955		2514
1956	my $nuke_counter = "aaaa";	2515	my $nuke_counter = "aaaa";
1957		2516
1958	sub nuke {	2517	sub nuke {
1959	my ($self) = @_;	2518	my ($self) = @_;
1960		2519
		2520	{
		2521	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2522
1961	delete $cf::MAP{$self->path};	2523	delete $cf::MAP{$self->path};
1962		2524
1963	$self->unlink_save;	2525	$self->unlink_save;
1964		2526
1965	bless $self, "cf::map";	2527	bless $self, "cf::map::wrap";
1966	delete $self->{deny_reset};	2528	delete $self->{deny_reset};
1967	$self->{deny_save} = 1;	2529	$self->{deny_save} = 1;
1968	$self->reset_timeout (1);	2530	$self->reset_timeout (1);
1969	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2531	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1970		2532
1971	$cf::MAP{$self->path} = $self;	2533	$cf::MAP{$self->path} = $self;
		2534	}
1972		2535
1973	$self->reset; # polite request, might not happen	2536	$self->reset; # polite request, might not happen
1974	}	2537	}
1975		2538
1976	=item $maps = cf::map::tmp_maps	2539	=item $maps = cf::map::tmp_maps
…		…
2018		2581
2019	sub unique_maps() {	2582	sub unique_maps() {
2020	[	2583	[
2021	map {	2584	map {
2022	utf8::decode $_;	2585	utf8::decode $_;
2023	/\.map$/	2586	s/\.map$//; # TODO future compatibility hack
		2587	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2588	? ()
2024	? normalise $_	2589	: normalise $_
2025	: ()
2026	} @{ aio_readdir $UNIQUEDIR or [] }	2590	} @{ aio_readdir $UNIQUEDIR or [] }
2027	]	2591	]
2028	}	2592	}
2029		2593
2030	package cf;	2594	=item cf::map::static_maps
		2595
		2596	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2597	file in the shared directory excluding F</styles> and F</editor>). May
		2598	block.
		2599
		2600	=cut
		2601
		2602	sub static_maps() {
		2603	my @dirs = "";
		2604	my @maps;
		2605
		2606	while (@dirs) {
		2607	my $dir = shift @dirs;
		2608
		2609	next if $dir eq "/styles" || $dir eq "/editor";
		2610
		2611	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2612	or return;
		2613
		2614	for (@$files) {
		2615	s/\.map$// or next;
		2616	utf8::decode $_;
		2617	push @maps, "$dir/$_";
		2618	}
		2619
		2620	push @dirs, map "$dir/$_", @$dirs;
		2621	}
		2622
		2623	\@maps
		2624	}
2031		2625
2032	=back	2626	=back
2033		2627
2034	=head3 cf::object	2628	=head3 cf::object
2035		2629
…		…
2039		2633
2040	=over 4	2634	=over 4
2041		2635
2042	=item $ob->inv_recursive	2636	=item $ob->inv_recursive
2043		2637
2044	Returns the inventory of the object _and_ their inventories, recursively.	2638	Returns the inventory of the object I<and> their inventories, recursively,
		2639	but I<not> the object itself.
2045		2640
2046	=cut	2641	=cut
2047		2642
2048	sub inv_recursive_;	2643	sub inv_recursive_;
2049	sub inv_recursive_ {	2644	sub inv_recursive_ {
…		…
2052		2647
2053	sub inv_recursive {	2648	sub inv_recursive {
2054	inv_recursive_ inv $_[0]	2649	inv_recursive_ inv $_[0]
2055	}	2650	}
2056		2651
		2652	=item $ref = $ob->ref
		2653
		2654	Creates and returns a persistent reference to an object that can be stored as a string.
		2655
		2656	=item $ob = cf::object::deref ($refstring)
		2657
		2658	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2659	even if the object actually exists. May block.
		2660
		2661	=cut
		2662
		2663	sub deref {
		2664	my ($ref) = @_;
		2665
		2666	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2667	my ($uuid, $name) = ($1, $2);
		2668	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2669	or return;
		2670	$pl->ob->uuid eq $uuid
		2671	or return;
		2672
		2673	$pl->ob
		2674	} else {
		2675	warn "$ref: cannot resolve object reference\n";
		2676	undef
		2677	}
		2678	}
		2679
2057	package cf;	2680	package cf;
2058		2681
2059	=back	2682	=back
2060		2683
2061	=head3 cf::object::player	2684	=head3 cf::object::player
…		…
2067	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2690	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2068	can be C<undef>. Does the right thing when the player is currently in a	2691	can be C<undef>. Does the right thing when the player is currently in a
2069	dialogue with the given NPC character.	2692	dialogue with the given NPC character.
2070		2693
2071	=cut	2694	=cut
		2695
		2696	our $SAY_CHANNEL = {
		2697	id => "say",
		2698	title => "Map",
		2699	reply => "say ",
		2700	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2701	};
		2702
		2703	our $CHAT_CHANNEL = {
		2704	id => "chat",
		2705	title => "Chat",
		2706	reply => "chat ",
		2707	tooltip => "Player chat and shouts, global to the server.",
		2708	};
2072		2709
2073	# rough implementation of a future "reply" method that works	2710	# rough implementation of a future "reply" method that works
2074	# with dialog boxes.	2711	# with dialog boxes.
2075	#TODO: the first argument must go, split into a $npc->reply_to ( method	2712	#TODO: the first argument must go, split into a $npc->reply_to ( method
2076	sub cf::object::player::reply($$$;$) {	2713	sub cf::object::player::reply($$$;$) {
…		…
2083		2720
2084	} else {	2721	} else {
2085	my $pl = $self->contr;	2722	my $pl = $self->contr;
2086		2723
2087	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2724	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2088	my $diag = $pl->{npc_dialog};	2725	my $dialog = $pl->{npc_dialog};
2089	$diag->{pl}->ext_reply (	2726	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2090	$diag->{id},
2091	msgtype => "reply",
2092	msg => $diag->{pl}->expand_cfpod ($msg),
2093	add_topics => []
2094	);
2095		2727
2096	} else {	2728	} else {
2097	$msg = $npc->name . " says: $msg" if $npc;	2729	$msg = $npc->name . " says: $msg" if $npc;
2098	$self->message ($msg, $flags);	2730	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2099	}	2731	}
2100	}	2732	}
		2733	}
		2734
		2735	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2736
		2737	=cut
		2738
		2739	sub cf::object::send_msg {
		2740	my $pl = shift->contr
		2741	or return;
		2742	$pl->send_msg (@_);
2101	}	2743	}
2102		2744
2103	=item $player_object->may ("access")	2745	=item $player_object->may ("access")
2104		2746
2105	Returns wether the given player is authorized to access resource "access"	2747	Returns wether the given player is authorized to access resource "access"
…		…
2118		2760
2119	=item $player_object->enter_link	2761	=item $player_object->enter_link
2120		2762
2121	Freezes the player and moves him/her to a special map (C<{link}>).	2763	Freezes the player and moves him/her to a special map (C<{link}>).
2122		2764
2123	The player should be reasonably safe there for short amounts of time. You	2765	The player should be reasonably safe there for short amounts of time (e.g.
2124	I<MUST> call C<leave_link> as soon as possible, though.	2766	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2767	though, as the player cannot control the character while it is on the link
		2768	map.
2125		2769
2126	Will never block.	2770	Will never block.
2127		2771
2128	=item $player_object->leave_link ($map, $x, $y)	2772	=item $player_object->leave_link ($map, $x, $y)
2129		2773
…		…
2149	sub cf::object::player::enter_link {	2793	sub cf::object::player::enter_link {
2150	my ($self) = @_;	2794	my ($self) = @_;
2151		2795
2152	$self->deactivate_recursive;	2796	$self->deactivate_recursive;
2153		2797
		2798	++$self->{_link_recursion};
		2799
2154	return if UNIVERSAL::isa $self->map, "ext::map_link";	2800	return if UNIVERSAL::isa $self->map, "ext::map_link";
2155		2801
2156	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2802	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2157	if $self->map && $self->map->{path} ne "{link}";	2803	if $self->map && $self->map->{path} ne "{link}";
2158		2804
2159	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2805	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2160	}	2806	}
2161		2807
2162	sub cf::object::player::leave_link {	2808	sub cf::object::player::leave_link {
2163	my ($self, $map, $x, $y) = @_;	2809	my ($self, $map, $x, $y) = @_;
2164		2810
…		…
2181	($x, $y) = (-1, -1)	2827	($x, $y) = (-1, -1)
2182	unless (defined $x) && (defined $y);	2828	unless (defined $x) && (defined $y);
2183		2829
2184	# use -1 or undef as default coordinates, not 0, 0	2830	# use -1 or undef as default coordinates, not 0, 0
2185	($x, $y) = ($map->enter_x, $map->enter_y)	2831	($x, $y) = ($map->enter_x, $map->enter_y)
2186	if $x <=0 && $y <= 0;	2832	if $x <= 0 && $y <= 0;
2187		2833
2188	$map->load;	2834	$map->load;
2189	$map->load_diag;
2190		2835
2191	return unless $self->contr->active;	2836	return unless $self->contr->active;
2192	$self->activate_recursive;
2193		2837
2194	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2838	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2195	$self->enter_map ($map, $x, $y);	2839	if ($self->enter_map ($map, $x, $y)) {
2196	}	2840	# entering was successful
		2841	delete $self->{_link_recursion};
		2842	# only activate afterwards, to support waiting in hooks
		2843	$self->activate_recursive;
		2844	}
2197		2845
		2846	}
		2847
2198	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2848	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2199		2849
2200	Moves the player to the given map-path and coordinates by first freezing	2850	Moves the player to the given map-path and coordinates by first freezing
2201	her, loading and preparing them map, calling the provided $check callback	2851	her, loading and preparing them map, calling the provided $check callback
2202	that has to return the map if sucecssful, and then unfreezes the player on	2852	that has to return the map if sucecssful, and then unfreezes the player on
2203	the new (success) or old (failed) map position.	2853	the new (success) or old (failed) map position. In either case, $done will
		2854	be called at the end of this process.
		2855
		2856	Note that $check will be called with a potentially non-loaded map, so if
		2857	it needs a loaded map it has to call C<< ->load >>.
2204		2858
2205	=cut	2859	=cut
2206		2860
2207	our $GOTOGEN;	2861	our $GOTOGEN;
2208		2862
2209	sub cf::object::player::goto {	2863	sub cf::object::player::goto {
2210	my ($self, $path, $x, $y, $check) = @_;	2864	my ($self, $path, $x, $y, $check, $done) = @_;
		2865
		2866	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2867	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2868	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2869	($path, $x, $y) = @$EMERGENCY_POSITION;
		2870	}
2211		2871
2212	# do generation counting so two concurrent goto's will be executed in-order	2872	# do generation counting so two concurrent goto's will be executed in-order
2213	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2873	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2214		2874
2215	$self->enter_link;	2875	$self->enter_link;
2216		2876
2217	(async {	2877	(async {
		2878	$Coro::current->{desc} = "player::goto $path $x $y";
		2879
		2880	# *tag paths override both path and x|y
		2881	if ($path =~ /^\*(.*)$/) {
		2882	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2883	my $ob = $obs[rand @obs];
		2884
		2885	# see if we actually can go there
		2886	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2887	$ob = $obs[rand @obs];
		2888	} else {
		2889	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2890	}
		2891	# else put us there anyways for now #d#
		2892
		2893	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2894	} else {
		2895	($path, $x, $y) = (undef, undef, undef);
		2896	}
		2897	}
		2898
2218	my $map = eval {	2899	my $map = eval {
2219	my $map = cf::map::find $path;	2900	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2220		2901
2221	if ($map) {	2902	if ($map) {
2222	$map = $map->customise_for ($self);	2903	$map = $map->customise_for ($self);
2223	$map = $check->($map) if $check && $map;	2904	$map = $check->($map, $x, $y, $self) if $check && $map;
2224	} else {	2905	} else {
2225	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2906	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2226	}	2907	}
2227		2908
2228	$map	2909	$map
2229	};	2910	};
2230		2911
…		…
2235		2916
2236	if ($gen == $self->{_goto_generation}) {	2917	if ($gen == $self->{_goto_generation}) {
2237	delete $self->{_goto_generation};	2918	delete $self->{_goto_generation};
2238	$self->leave_link ($map, $x, $y);	2919	$self->leave_link ($map, $x, $y);
2239	}	2920	}
		2921
		2922	$done->($self) if $done;
2240	})->prio (1);	2923	})->prio (1);
2241	}	2924	}
2242		2925
2243	=item $player_object->enter_exit ($exit_object)	2926	=item $player_object->enter_exit ($exit_object)
2244		2927
…		…
2264	}	2947	}
2265		2948
2266	sub prepare_random_map {	2949	sub prepare_random_map {
2267	my ($exit) = @_;	2950	my ($exit) = @_;
2268		2951
2269	my $guard = cf::lock_acquire "exit_prepare:$exit";
2270
2271	# all this does is basically replace the /! path by	2952	# all this does is basically replace the /! path by
2272	# a new random map path (?random/...) with a seed	2953	# a new random map path (?random/...) with a seed
2273	# that depends on the exit object	2954	# that depends on the exit object
2274		2955
2275	my $rmp = parse_random_map_params $exit->msg;	2956	my $rmp = parse_random_map_params $exit->msg;
…		…
2277	if ($exit->map) {	2958	if ($exit->map) {
2278	$rmp->{region} = $exit->region->name;	2959	$rmp->{region} = $exit->region->name;
2279	$rmp->{origin_map} = $exit->map->path;	2960	$rmp->{origin_map} = $exit->map->path;
2280	$rmp->{origin_x} = $exit->x;	2961	$rmp->{origin_x} = $exit->x;
2281	$rmp->{origin_y} = $exit->y;	2962	$rmp->{origin_y} = $exit->y;
		2963
		2964	$exit->map->touch;
2282	}	2965	}
2283		2966
2284	$rmp->{random_seed} ||= $exit->random_seed;	2967	$rmp->{random_seed} ||= $exit->random_seed;
2285		2968
2286	my $data = cf::to_json $rmp;	2969	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2287	my $md5 = Digest::MD5::md5_hex $data;	2970	my $md5 = Digest::MD5::md5_hex $data;
2288	my $meta = "$RANDOMDIR/$md5.meta";	2971	my $meta = "$RANDOMDIR/$md5.meta";
2289		2972
2290	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2973	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2291	aio_write $fh, 0, (length $data), $data, 0;	2974	aio_write $fh, 0, (length $data), $data, 0;
2292	undef $fh;	2975	undef $fh;
2293	aio_rename "$meta~", $meta;	2976	aio_rename "$meta~", $meta;
2294		2977
		2978	my $slaying = "?random/$md5";
		2979
		2980	if ($exit->valid) {
2295	$exit->slaying ("?random/$md5");	2981	$exit->slaying ("?random/$md5");
2296	$exit->msg (undef);	2982	$exit->msg (undef);
		2983	}
2297	}	2984	}
2298	}	2985	}
2299		2986
2300	sub cf::object::player::enter_exit {	2987	sub cf::object::player::enter_exit {
2301	my ($self, $exit) = @_;	2988	my ($self, $exit) = @_;
2302		2989
2303	return unless $self->type == cf::PLAYER;	2990	return unless $self->type == cf::PLAYER;
2304		2991
2305	if ($exit->slaying eq "/!") {
2306	#TODO: this should de-fi-ni-te-ly not be a sync-job
2307	# the problem is that $exit might not survive long enough
2308	# so it needs to be done right now, right here
2309	cf::sync_job { prepare_random_map $exit };
2310	}
2311
2312	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2313	my $hp = $exit->stats->hp;
2314	my $sp = $exit->stats->sp;
2315
2316	$self->enter_link;	2992	$self->enter_link;
2317		2993
2318	(async {	2994	(async {
2319	$self->deactivate_recursive; # just to be sure	2995	$Coro::current->{desc} = "enter_exit";
		2996
2320	unless (eval {	2997	unless (eval {
		2998	$self->deactivate_recursive; # just to be sure
		2999
		3000	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3001	my $x = $exit->stats->hp;
		3002	my $y = $exit->stats->sp;
		3003
		3004	# special map handling
		3005	my $slaying = $exit->slaying;
		3006
		3007	# special map handling
		3008	if ($slaying eq "/!") {
		3009	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3010
		3011	prepare_random_map $exit
		3012	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3013
		3014	$map = $exit->slaying;
		3015
		3016	} elsif ($slaying eq '!up') {
		3017	$map = $exit->map->tile_path (cf::TILE_UP);
		3018	$x = $exit->x;
		3019	$y = $exit->y;
		3020
		3021	} elsif ($slaying eq '!down') {
		3022	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3023	$x = $exit->x;
		3024	$y = $exit->y;
		3025	}
		3026
2321	$self->goto ($slaying, $hp, $sp);	3027	$self->goto ($map, $x, $y);
2322		3028
		3029	# if exit is damned, update players death & WoR home-position
		3030	$self->contr->savebed ($map, $x, $y)
		3031	if $exit->flag (cf::FLAG_DAMNED);
		3032
2323	1;	3033	1
2324	}) {	3034	}) {
2325	$self->message ("Something went wrong deep within the crossfire server. "	3035	$self->message ("Something went wrong deep within the deliantra server. "
2326	. "I'll try to bring you back to the map you were before. "	3036	. "I'll try to bring you back to the map you were before. "
2327	. "Please report this to the dungeon master!",	3037	. "Please report this to the dungeon master!",
2328	cf::NDI_UNIQUE | cf::NDI_RED);	3038	cf::NDI_UNIQUE | cf::NDI_RED);
2329		3039
2330	warn "ERROR in enter_exit: $@";	3040	error "ERROR in enter_exit: $@";
2331	$self->leave_link;	3041	$self->leave_link;
2332	}	3042	}
2333	})->prio (1);	3043	})->prio (1);
2334	}	3044	}
2335		3045
…		…
2349		3059
2350	utf8::encode $text;	3060	utf8::encode $text;
2351	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3061	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2352	}	3062	}
2353		3063
		3064	=item $client->send_big_packet ($pkt)
		3065
		3066	Like C<send_packet>, but tries to compress large packets, and fragments
		3067	them as required.
		3068
		3069	=cut
		3070
		3071	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3072
		3073	sub cf::client::send_big_packet {
		3074	my ($self, $pkt) = @_;
		3075
		3076	# try lzf for large packets
		3077	$pkt = "lzf " . Compress::LZF::compress $pkt
		3078	if 1024 <= length $pkt and $self->{can_lzf};
		3079
		3080	# split very large packets
		3081	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3082	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3083	$pkt = "frag";
		3084	}
		3085
		3086	$self->send_packet ($pkt);
		3087	}
		3088
2354	=item $client->send_msg ($color, $type, $msg, [extra...])	3089	=item $client->send_msg ($channel, $msg, $color, [extra...])
2355		3090
2356	Send a drawinfo or msg packet to the client, formatting the msg for the	3091	Send a drawinfo or msg packet to the client, formatting the msg for the
2357	client if neccessary. C<$type> should be a string identifying the type of	3092	client if neccessary. C<$type> should be a string identifying the type of
2358	the message, with C<log> being the default. If C<$color> is negative, suppress	3093	the message, with C<log> being the default. If C<$color> is negative, suppress
2359	the message unless the client supports the msg packet.	3094	the message unless the client supports the msg packet.
2360		3095
2361	=cut	3096	=cut
2362		3097
		3098	# non-persistent channels (usually the info channel)
		3099	our %CHANNEL = (
		3100	"c/motd" => {
		3101	id => "infobox",
		3102	title => "MOTD",
		3103	reply => undef,
		3104	tooltip => "The message of the day",
		3105	},
		3106	"c/identify" => {
		3107	id => "infobox",
		3108	title => "Identify",
		3109	reply => undef,
		3110	tooltip => "Items recently identified",
		3111	},
		3112	"c/examine" => {
		3113	id => "infobox",
		3114	title => "Examine",
		3115	reply => undef,
		3116	tooltip => "Signs and other items you examined",
		3117	},
		3118	"c/shopinfo" => {
		3119	id => "infobox",
		3120	title => "Shop Info",
		3121	reply => undef,
		3122	tooltip => "What your bargaining skill tells you about the shop",
		3123	},
		3124	"c/book" => {
		3125	id => "infobox",
		3126	title => "Book",
		3127	reply => undef,
		3128	tooltip => "The contents of a note or book",
		3129	},
		3130	"c/lookat" => {
		3131	id => "infobox",
		3132	title => "Look",
		3133	reply => undef,
		3134	tooltip => "What you saw there",
		3135	},
		3136	"c/who" => {
		3137	id => "infobox",
		3138	title => "Players",
		3139	reply => undef,
		3140	tooltip => "Shows players who are currently online",
		3141	},
		3142	"c/body" => {
		3143	id => "infobox",
		3144	title => "Body Parts",
		3145	reply => undef,
		3146	tooltip => "Shows which body parts you posess and are available",
		3147	},
		3148	"c/statistics" => {
		3149	id => "infobox",
		3150	title => "Statistics",
		3151	reply => undef,
		3152	tooltip => "Shows your primary statistics",
		3153	},
		3154	"c/skills" => {
		3155	id => "infobox",
		3156	title => "Skills",
		3157	reply => undef,
		3158	tooltip => "Shows your experience per skill and item power",
		3159	},
		3160	"c/shopitems" => {
		3161	id => "infobox",
		3162	title => "Shop Items",
		3163	reply => undef,
		3164	tooltip => "Shows the items currently for sale in this shop",
		3165	},
		3166	"c/resistances" => {
		3167	id => "infobox",
		3168	title => "Resistances",
		3169	reply => undef,
		3170	tooltip => "Shows your resistances",
		3171	},
		3172	"c/pets" => {
		3173	id => "infobox",
		3174	title => "Pets",
		3175	reply => undef,
		3176	tooltip => "Shows information abotu your pets/a specific pet",
		3177	},
		3178	"c/perceiveself" => {
		3179	id => "infobox",
		3180	title => "Perceive Self",
		3181	reply => undef,
		3182	tooltip => "You gained detailed knowledge about yourself",
		3183	},
		3184	"c/uptime" => {
		3185	id => "infobox",
		3186	title => "Uptime",
		3187	reply => undef,
		3188	tooltip => "How long the server has been running since last restart",
		3189	},
		3190	"c/mapinfo" => {
		3191	id => "infobox",
		3192	title => "Map Info",
		3193	reply => undef,
		3194	tooltip => "Information related to the maps",
		3195	},
		3196	"c/party" => {
		3197	id => "party",
		3198	title => "Party",
		3199	reply => "gsay ",
		3200	tooltip => "Messages and chat related to your party",
		3201	},
		3202	"c/death" => {
		3203	id => "death",
		3204	title => "Death",
		3205	reply => undef,
		3206	tooltip => "Reason for and more info about your most recent death",
		3207	},
		3208	"c/say" => $SAY_CHANNEL,
		3209	"c/chat" => $CHAT_CHANNEL,
		3210	);
		3211
2363	sub cf::client::send_msg {	3212	sub cf::client::send_msg {
2364	my ($self, $color, $type, $msg, @extra) = @_;	3213	my ($self, $channel, $msg, $color, @extra) = @_;
2365		3214
2366	$msg = $self->pl->expand_cfpod ($msg);	3215	$msg = $self->pl->expand_cfpod ($msg)
		3216	unless $color & cf::NDI_VERBATIM;
2367		3217
2368	if ($self->can_msg) {	3218	$color &= cf::NDI_CLIENT_MASK; # just in case...
2369	$self->send_packet ("msg " . cf::to_json [$color, $type, $msg, @extra]);
2370	} else {
2371	# replace some tags by gcfclient-compatible ones
2372	for ($msg) {
2373	1 while
2374	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2375	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2376	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2377	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2378	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2379	}
2380		3219
2381	if ($color >= 0) {	3220	# check predefined channels, for the benefit of C
2382	if (0 && $msg =~ /\[/) {	3221	if ($CHANNEL{$channel}) {
2383	$self->send_packet ("drawextinfo $color 4 0 $msg")	3222	$channel = $CHANNEL{$channel};
2384	} else {	3223
2385	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3224	$self->ext_msg (channel_info => $channel);
2386	$self->send_packet ("drawinfo $color $msg")	3225	$channel = $channel->{id};
		3226
		3227	} elsif (ref $channel) {
		3228	# send meta info to client, if not yet sent
		3229	unless (exists $self->{channel}{$channel->{id}}) {
		3230	$self->{channel}{$channel->{id}} = $channel;
		3231	$self->ext_msg (channel_info => $channel);
2387	}	3232	}
2388	}
2389	}
2390	}
2391		3233
		3234	$channel = $channel->{id};
		3235	}
		3236
		3237	return unless @extra || length $msg;
		3238
		3239	# default colour, mask it out
		3240	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3241	if $color & cf::NDI_DEF;
		3242
		3243	my $pkt = "msg "
		3244	. $self->{json_coder}->encode (
		3245	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3246	);
		3247
		3248	$self->send_big_packet ($pkt);
		3249	}
		3250
2392	=item $client->ext_event ($type, %msg)	3251	=item $client->ext_msg ($type, @msg)
2393		3252
2394	Sends an exti event to the client.	3253	Sends an ext event to the client.
2395		3254
2396	=cut	3255	=cut
2397		3256
2398	sub cf::client::ext_event($$%) {	3257	sub cf::client::ext_msg($$@) {
2399	my ($self, $type, %msg) = @_;	3258	my ($self, $type, @msg) = @_;
2400		3259
2401	$msg{msgtype} = "event_$type";	3260	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2402	$self->send_packet ("ext " . cf::to_json \%msg);
2403	}	3261	}
2404		3262
2405	=item $success = $client->query ($flags, "text", \&cb)	3263	=item $success = $client->query ($flags, "text", \&cb)
2406		3264
2407	Queues a query to the client, calling the given callback with	3265	Queues a query to the client, calling the given callback with
2408	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3266	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2409	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3267	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2410		3268
2411	Queries can fail, so check the return code. Or don't, as queries will become	3269	Queries can fail, so check the return code. Or don't, as queries will
2412	reliable at some point in the future.	3270	become reliable at some point in the future.
2413		3271
2414	=cut	3272	=cut
2415		3273
2416	sub cf::client::query {	3274	sub cf::client::query {
2417	my ($self, $flags, $text, $cb) = @_;	3275	my ($self, $flags, $text, $cb) = @_;
…		…
2425	utf8::encode $text;	3283	utf8::encode $text;
2426	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3284	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2427		3285
2428	$self->send_packet ($self->{query_queue}[0][0])	3286	$self->send_packet ($self->{query_queue}[0][0])
2429	if @{ $self->{query_queue} } == 1;	3287	if @{ $self->{query_queue} } == 1;
		3288
		3289	1
2430	}	3290	}
2431		3291
2432	cf::client->attach (	3292	cf::client->attach (
		3293	on_connect => sub {
		3294	my ($ns) = @_;
		3295
		3296	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3297	},
2433	on_reply => sub {	3298	on_reply => sub {
2434	my ($ns, $msg) = @_;	3299	my ($ns, $msg) = @_;
2435		3300
2436	# this weird shuffling is so that direct followup queries	3301	# this weird shuffling is so that direct followup queries
2437	# get handled first	3302	# get handled first
…		…
2449	} else {	3314	} else {
2450	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3315	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2451	}	3316	}
2452	}	3317	}
2453	},	3318	},
		3319	on_exticmd => sub {
		3320	my ($ns, $buf) = @_;
		3321
		3322	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3323
		3324	if (ref $msg) {
		3325	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3326
		3327	if (my $cb = $EXTIACMD{$type}) {
		3328	$cb->(
		3329	$ns,
		3330	sub {
		3331	$ns->ext_msg ("reply-$reply", @_)
		3332	if $reply;
		3333	},
		3334	@payload
		3335	);
		3336	} else {
		3337	my @reply;
		3338
		3339	if (my $cb = $EXTICMD{$type}) {
		3340	@reply = $cb->($ns, @payload);
		3341	}
		3342
		3343	$ns->ext_msg ("reply-$reply", @reply)
		3344	if $reply;
		3345	}
		3346	} else {
		3347	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3348	}
		3349
		3350	cf::override;
		3351	},
2454	);	3352	);
2455		3353
2456	=item $client->async (\&cb)	3354	=item $client->async (\&cb)
2457		3355
2458	Create a new coroutine, running the specified callback. The coroutine will	3356	Create a new coroutine, running the specified callback. The coroutine will
…		…
2474		3372
2475	$coro	3373	$coro
2476	}	3374	}
2477		3375
2478	cf::client->attach (	3376	cf::client->attach (
2479	on_destroy => sub {	3377	on_client_destroy => sub {
2480	my ($ns) = @_;	3378	my ($ns) = @_;
2481		3379
2482	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3380	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2483	},	3381	},
2484	);	3382	);
…		…
2499	our $safe = new Safe "safe";	3397	our $safe = new Safe "safe";
2500	our $safe_hole = new Safe::Hole;	3398	our $safe_hole = new Safe::Hole;
2501		3399
2502	$SIG{FPE} = 'IGNORE';	3400	$SIG{FPE} = 'IGNORE';
2503		3401
2504	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3402	$safe->permit_only (Opcode::opset qw(
		3403	:base_core :base_mem :base_orig :base_math :base_loop
		3404	grepstart grepwhile mapstart mapwhile
		3405	sort time
		3406	));
2505		3407
2506	# here we export the classes and methods available to script code	3408	# here we export the classes and methods available to script code
2507		3409
2508	=pod	3410	=pod
2509		3411
2510	The following functions and methods are available within a safe environment:	3412	The following functions and methods are available within a safe environment:
2511		3413
2512	cf::object contr pay_amount pay_player map	3414	cf::object
		3415	contr pay_amount pay_player map x y force_find force_add destroy
		3416	insert remove name archname title slaying race decrease split
		3417	value
		3418
2513	cf::object::player player	3419	cf::object::player
2514	cf::player peaceful	3420	player
2515	cf::map trigger	3421
		3422	cf::player
		3423	peaceful
		3424
		3425	cf::map
		3426	trigger
2516		3427
2517	=cut	3428	=cut
2518		3429
2519	for (	3430	for (
2520	["cf::object" => qw(contr pay_amount pay_player map)],	3431	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3432	insert remove inv nrof name archname title slaying race
		3433	decrease split destroy change_exp value msg lore send_msg)],
2521	["cf::object::player" => qw(player)],	3434	["cf::object::player" => qw(player)],
2522	["cf::player" => qw(peaceful)],	3435	["cf::player" => qw(peaceful send_msg)],
2523	["cf::map" => qw(trigger)],	3436	["cf::map" => qw(trigger)],
2524	) {	3437	) {
2525	no strict 'refs';
2526	my ($pkg, @funs) = @$_;	3438	my ($pkg, @funs) = @$_;
2527	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3439	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2528	for @funs;	3440	for @funs;
2529	}	3441	}
2530		3442
…		…
2545		3457
2546	my $qcode = $code;	3458	my $qcode = $code;
2547	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3459	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2548	$qcode =~ s/\n/\\n/g;	3460	$qcode =~ s/\n/\\n/g;
2549		3461
		3462	%vars = (_dummy => 0) unless %vars;
		3463
		3464	my @res;
2550	local $_;	3465	local $_;
2551	local @safe::cf::_safe_eval_args = values %vars;
2552		3466
2553	my $eval =	3467	my $eval =
2554	"do {\n"	3468	"do {\n"
2555	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3469	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2556	. "#line 0 \"{$qcode}\"\n"	3470	. "#line 0 \"{$qcode}\"\n"
2557	. $code	3471	. $code
2558	. "\n}"	3472	. "\n}"
2559	;	3473	;
2560		3474
		3475	if ($CFG{safe_eval}) {
2561	sub_generation_inc;	3476	sub_generation_inc;
		3477	local @safe::cf::_safe_eval_args = values %vars;
2562	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3478	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2563	sub_generation_inc;	3479	sub_generation_inc;
		3480	} else {
		3481	local @cf::_safe_eval_args = values %vars;
		3482	@res = wantarray ? eval eval : scalar eval $eval;
		3483	}
2564		3484
2565	if ($@) {	3485	if ($@) {
2566	warn "$@";	3486	warn "$@",
2567	warn "while executing safe code '$code'\n";	3487	"while executing safe code '$code'\n",
2568	warn "with arguments " . (join " ", %vars) . "\n";	3488	"with arguments " . (join " ", %vars) . "\n";
2569	}	3489	}
2570		3490
2571	wantarray ? @res : $res[0]	3491	wantarray ? @res : $res[0]
2572	}	3492	}
2573		3493
…		…
2587	=cut	3507	=cut
2588		3508
2589	sub register_script_function {	3509	sub register_script_function {
2590	my ($fun, $cb) = @_;	3510	my ($fun, $cb) = @_;
2591		3511
2592	no strict 'refs';	3512	$fun = "safe::$fun" if $CFG{safe_eval};
2593	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3513	*$fun = $safe_hole->wrap ($cb);
2594	}	3514	}
2595		3515
2596	=back	3516	=back
2597		3517
2598	=cut	3518	=cut
2599		3519
2600	#############################################################################	3520	#############################################################################
2601	# the server's init and main functions	3521	# the server's init and main functions
2602		3522
		3523	our %FACEHASH; # hash => idx, #d# HACK for http server
		3524
		3525	# internal api, not fianlised
		3526	sub set_face {
		3527	my ($name, $type, $data) = @_;
		3528
		3529	my $idx = cf::face::find $name;
		3530
		3531	if ($idx) {
		3532	delete $FACEHASH{cf::face::get_chksum $idx};
		3533	} else {
		3534	$idx = cf::face::alloc $name;
		3535	}
		3536
		3537	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3538
		3539	cf::face::set_type $idx, $type;
		3540	cf::face::set_data $idx, 0, $data, $hash;
		3541	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3542	$FACEHASH{$hash} = $idx;#d#
		3543
		3544	$idx
		3545	}
		3546
2603	sub load_facedata($) {	3547	sub load_facedata($) {
2604	my ($path) = @_;	3548	my ($path) = @_;
2605		3549
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
		3554	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3555
2606	warn "loading facedata from $path\n";	3556	trace "loading facedata from $path\n";
2607		3557
2608	my $facedata;	3558	my $facedata = decode_storable load_file $path;
2609	0 < aio_load $path, $facedata
2610	or die "$path: $!";
2611
2612	$facedata = Coro::Storable::thaw $facedata;
2613		3559
2614	$facedata->{version} == 2	3560	$facedata->{version} == 2
2615	or cf::cleanup "$path: version mismatch, cannot proceed.";	3561	or cf::cleanup "$path: version mismatch, cannot proceed.";
2616		3562
		3563	cf::cede_to_tick;
		3564
2617	{	3565	{
2618	my $faces = $facedata->{faceinfo};	3566	my $faces = delete $facedata->{faceinfo};
2619		3567
2620	while (my ($face, $info) = each %$faces) {	3568	for my $face (sort keys %$faces) {
		3569	my $info = $faces->{$face};
2621	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3570	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3571
2622	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3572	cf::face::set_visibility $idx, $info->{visibility};
		3573	cf::face::set_magicmap $idx, $info->{magicmap};
2623	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3574	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2624	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3575	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2625	Coro::cede;	3576	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3577	$FACEHASH{$info->{hash64}} = $idx;#d#
		3578
		3579	cf::cede_to_tick;
2626	}	3580	}
2627		3581
2628	while (my ($face, $info) = each %$faces) {	3582	while (my ($face, $info) = each %$faces) {
2629	next unless $info->{smooth};	3583	next unless $info->{smooth};
		3584
2630	my $idx = cf::face::find $face	3585	my $idx = cf::face::find $face
2631	or next;	3586	or next;
		3587
2632	if (my $smooth = cf::face::find $info->{smooth}) {	3588	if (my $smooth = cf::face::find $info->{smooth}) {
		3589	cf::face::set_smooth $idx, $smooth;
2633	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3590	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2634	} else {	3591	} else {
2635	warn "smooth face '$info->{smooth}' not found for face '$face'";	3592	error "smooth face '$info->{smooth}' not found for face '$face'";
2636	}	3593	}
2637	Coro::cede;	3594
		3595	cf::cede_to_tick;
2638	}	3596	}
2639	}	3597	}
2640		3598
2641	{	3599	{
2642	my $anims = $facedata->{animinfo};	3600	my $anims = delete $facedata->{animinfo};
2643		3601
2644	while (my ($anim, $info) = each %$anims) {	3602	while (my ($anim, $info) = each %$anims) {
2645	cf::anim::set $anim, $info->{frames}, $info->{facings};	3603	cf::anim::set $anim, $info->{frames}, $info->{facings};
2646	Coro::cede;	3604	cf::cede_to_tick;
2647	}	3605	}
2648		3606
2649	cf::anim::invalidate_all; # d'oh	3607	cf::anim::invalidate_all; # d'oh
2650	}	3608	}
2651		3609
		3610	{
		3611	my $res = delete $facedata->{resource};
		3612
		3613	while (my ($name, $info) = each %$res) {
		3614	if (defined (my $type = $info->{type})) {
		3615	# TODO: different hash - must free and use new index, or cache ixface data queue
		3616	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3617
		3618	cf::face::set_type $idx, $type;
		3619	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3620	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3621	$FACEHASH{$info->{hash}} = $idx;#d#
		3622	} else {
		3623	# $RESOURCE{$name} = $info; # unused
		3624	}
		3625
		3626	cf::cede_to_tick;
		3627	}
		3628	}
		3629
		3630	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3631
2652	1	3632	1
2653	}	3633	}
2654		3634
		3635	register_exticmd fx_want => sub {
		3636	my ($ns, $want) = @_;
		3637
		3638	while (my ($k, $v) = each %$want) {
		3639	$ns->fx_want ($k, $v);
		3640	}
		3641	};
		3642
		3643	sub load_resource_file($) {
		3644	my $guard = lock_acquire "load_resource_file";
		3645
		3646	my $status = load_resource_file_ $_[0];
		3647	get_slot 0.1, 100;
		3648	cf::arch::commit_load;
		3649
		3650	$status
		3651	}
		3652
		3653	sub reload_exp_table {
		3654	_reload_exp_table;
		3655
		3656	set_face "res/exp_table" => FT_RSRC,
		3657	JSON::XS->new->utf8->canonical->encode (
		3658	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3659	);
		3660	}
		3661
		3662	sub reload_materials {
		3663	_reload_materials;
		3664	}
		3665
2655	sub reload_regions {	3666	sub reload_regions {
		3667	# HACK to clear player env face cache, we need some signal framework
		3668	# for this (global event?)
		3669	%ext::player_env::MUSIC_FACE_CACHE = ();
		3670
2656	load_resource_file "$MAPDIR/regions"	3671	load_resource_file "$MAPDIR/regions"
2657	or die "unable to load regions file\n";	3672	or die "unable to load regions file\n";
		3673
		3674	for (cf::region::list) {
		3675	$_->{match} = qr/$_->{match}/
		3676	if exists $_->{match};
		3677	}
2658	}	3678	}
2659		3679
2660	sub reload_facedata {	3680	sub reload_facedata {
2661	load_facedata "$DATADIR/facedata"	3681	load_facedata "$DATADIR/facedata"
2662	or die "unable to load facedata\n";	3682	or die "unable to load facedata\n";
2663	}	3683	}
2664		3684
2665	sub reload_archetypes {	3685	sub reload_archetypes {
2666	load_resource_file "$DATADIR/archetypes"	3686	load_resource_file "$DATADIR/archetypes"
2667	or die "unable to load archetypes\n";	3687	or die "unable to load archetypes\n";
		3688
		3689	set_face "res/skill_info" => FT_RSRC,
		3690	JSON::XS->new->utf8->canonical->encode (
		3691	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3692	);
		3693	set_face "res/spell_paths" => FT_RSRC,
		3694	JSON::XS->new->utf8->canonical->encode (
		3695	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3696	);
2668	}	3697	}
2669		3698
2670	sub reload_treasures {	3699	sub reload_treasures {
2671	load_resource_file "$DATADIR/treasures"	3700	load_resource_file "$DATADIR/treasures"
2672	or die "unable to load treasurelists\n";	3701	or die "unable to load treasurelists\n";
2673	}	3702	}
2674		3703
		3704	sub reload_sound {
		3705	trace "loading sound config from $DATADIR/sound\n";
		3706
		3707	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3708
		3709	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3710	my $sound = $soundconf->{compat}[$_]
		3711	or next;
		3712
		3713	my $face = cf::face::find "sound/$sound->[1]";
		3714	cf::sound::set $sound->[0] => $face;
		3715	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3716	}
		3717
		3718	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3719	my $face = cf::face::find "sound/$v";
		3720	cf::sound::set $k => $face;
		3721	}
		3722	}
		3723
2675	sub reload_resources {	3724	sub reload_resources {
2676	warn "reloading resource files...\n";	3725	trace "reloading resource files...\n";
2677		3726
		3727	reload_materials;
		3728	reload_facedata;
		3729	reload_exp_table;
		3730	reload_sound;
		3731	reload_archetypes;
2678	reload_regions;	3732	reload_regions;
2679	reload_facedata;
2680	#reload_archetypes;#d#
2681	reload_archetypes;
2682	reload_treasures;	3733	reload_treasures;
2683		3734
2684	warn "finished reloading resource files\n";	3735	trace "finished reloading resource files\n";
2685	}	3736	}
2686		3737
2687	sub init {	3738	sub reload_config {
2688	reload_resources;	3739	trace "reloading config file...\n";
2689	}
2690		3740
2691	sub cfg_load {	3741	my $config = load_file "$CONFDIR/config";
2692	open my $fh, "<:utf8", "$CONFDIR/config"	3742	utf8::decode $config;
2693	or return;	3743	*CFG = decode_yaml $config;
2694		3744
2695	local $/;
2696	*CFG = YAML::Syck::Load <$fh>;
2697
2698	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3745	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2699		3746
2700	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3747	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2701	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3748	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2702		3749
2703	if (exists $CFG{mlockall}) {	3750	if (exists $CFG{mlockall}) {
…		…
2707	};	3754	};
2708	warn $@ if $@;	3755	warn $@ if $@;
2709	}	3756	}
2710	}	3757	}
2711		3758
		3759	sub pidfile() {
		3760	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3761	or die "$PIDFILE: $!";
		3762	flock $fh, &Fcntl::LOCK_EX
		3763	or die "$PIDFILE: flock: $!";
		3764	$fh
		3765	}
		3766
		3767	# make sure only one server instance is running at any one time
		3768	sub atomic {
		3769	my $fh = pidfile;
		3770
		3771	my $pid = <$fh>;
		3772	kill 9, $pid if $pid > 0;
		3773
		3774	seek $fh, 0, 0;
		3775	print $fh $$;
		3776	}
		3777
		3778	sub main_loop {
		3779	trace "EV::loop starting\n";
		3780	if (1) {
		3781	EV::loop;
		3782	}
		3783	trace "EV::loop returned\n";
		3784	goto &main_loop unless $REALLY_UNLOOP;
		3785	}
		3786
2712	sub main {	3787	sub main {
		3788	cf::init_globals; # initialise logging
		3789
		3790	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3791	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3792	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3793	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3794
		3795	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3796
2713	# we must not ever block the main coroutine	3797	# we must not ever block the main coroutine
2714	local $Coro::idle = sub {	3798	$Coro::idle = sub {
2715	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3799	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2716	(async {	3800	(async {
2717	Event::one_event;	3801	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3802	EV::loop EV::LOOP_ONESHOT;
2718	})->prio (Coro::PRIO_MAX);	3803	})->prio (Coro::PRIO_MAX);
2719	};	3804	};
2720		3805
2721	cfg_load;	3806	evthread_start IO::AIO::poll_fileno;
		3807
		3808	cf::sync_job {
		3809	cf::incloader::init ();
		3810
2722	db_init;	3811	db_init;
		3812
		3813	cf::init_anim;
		3814	cf::init_attackmess;
		3815	cf::init_dynamic;
		3816
		3817	cf::load_settings;
		3818
		3819	reload_resources;
		3820	reload_config;
		3821
		3822	cf::init_uuid;
		3823	cf::init_signals;
		3824	cf::init_skills;
		3825
		3826	cf::init_beforeplay;
		3827
		3828	atomic;
		3829
2723	load_extensions;	3830	load_extensions;
2724		3831
2725	$TICK_WATCHER->start;	3832	utime time, time, $RUNTIMEFILE;
2726	Event::loop;	3833
		3834	# no (long-running) fork's whatsoever before this point(!)
		3835	use POSIX ();
		3836	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3837
		3838	cf::_post_init 0;
		3839	};
		3840
		3841	cf::object::thawer::errors_are_fatal 0;
		3842	info "parse errors in files are no longer fatal from this point on.\n";
		3843
		3844	AE::postpone {
		3845	undef &main; # free gobs of memory :)
		3846	};
		3847
		3848	goto &main_loop;
2727	}	3849	}
2728		3850
2729	#############################################################################	3851	#############################################################################
2730	# initialisation and cleanup	3852	# initialisation and cleanup
2731		3853
2732	# install some emergency cleanup handlers	3854	# install some emergency cleanup handlers
2733	BEGIN {	3855	BEGIN {
		3856	our %SIGWATCHER = ();
2734	for my $signal (qw(INT HUP TERM)) {	3857	for my $signal (qw(INT HUP TERM)) {
2735	Event->signal (	3858	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2736	reentrant => 0,
2737	data => WF_AUTOCANCEL,
2738	signal => $signal,
2739	prio => 0,
2740	cb => sub {
2741	cf::cleanup "SIG$signal";	3859	cf::cleanup "SIG$signal";
2742	},
2743	);	3860	};
2744	}	3861	}
2745	}	3862	}
2746		3863
2747	sub write_runtime {	3864	sub write_runtime_sync {
2748	my $runtime = "$LOCALDIR/runtime";	3865	my $t0 = AE::time;
2749		3866
2750	# first touch the runtime file to show we are still running:	3867	# first touch the runtime file to show we are still running:
2751	# the fsync below can take a very very long time.	3868	# the fsync below can take a very very long time.
2752		3869
2753	IO::AIO::aio_utime $runtime, undef, undef;	3870	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2754		3871
2755	my $guard = cf::lock_acquire "write_runtime";	3872	my $guard = cf::lock_acquire "write_runtime";
2756		3873
2757	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3874	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2758	or return;	3875	or return;
2759		3876
2760	my $value = $cf::RUNTIME + 90 + 10;	3877	my $value = $cf::RUNTIME + 90 + 10;
2761	# 10 is the runtime save interval, for a monotonic clock	3878	# 10 is the runtime save interval, for a monotonic clock
2762	# 60 allows for the watchdog to kill the server.	3879	# 60 allows for the watchdog to kill the server.
…		…
2772	aio_utime $fh, undef, undef;	3889	aio_utime $fh, undef, undef;
2773		3890
2774	close $fh	3891	close $fh
2775	or return;	3892	or return;
2776		3893
2777	aio_rename "$runtime~", $runtime	3894	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2778	and return;	3895	and return;
2779		3896
2780	warn "runtime file written.\n";	3897	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2781		3898
2782	1	3899	1
		3900	}
		3901
		3902	our $uuid_lock;
		3903	our $uuid_skip;
		3904
		3905	sub write_uuid_sync($) {
		3906	$uuid_skip ||= $_[0];
		3907
		3908	return if $uuid_lock;
		3909	local $uuid_lock = 1;
		3910
		3911	my $uuid = "$LOCALDIR/uuid";
		3912
		3913	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3914	or return;
		3915
		3916	my $value = uuid_seq uuid_cur;
		3917
		3918	unless ($value) {
		3919	info "cowardly refusing to write zero uuid value!\n";
		3920	return;
		3921	}
		3922
		3923	my $value = uuid_str $value + $uuid_skip;
		3924	$uuid_skip = 0;
		3925
		3926	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3927	and return;
		3928
		3929	# always fsync - this file is important
		3930	aio_fsync $fh
		3931	and return;
		3932
		3933	close $fh
		3934	or return;
		3935
		3936	aio_rename "$uuid~", $uuid
		3937	and return;
		3938
		3939	trace "uuid file written ($value).\n";
		3940
		3941	1
		3942
		3943	}
		3944
		3945	sub write_uuid($$) {
		3946	my ($skip, $sync) = @_;
		3947
		3948	$sync ? write_uuid_sync $skip
		3949	: async { write_uuid_sync $skip };
2783	}	3950	}
2784		3951
2785	sub emergency_save() {	3952	sub emergency_save() {
2786	my $freeze_guard = cf::freeze_mainloop;	3953	my $freeze_guard = cf::freeze_mainloop;
2787		3954
2788	warn "enter emergency perl save\n";	3955	info "emergency_perl_save: enter\n";
		3956
		3957	# this is a trade-off: we want to be very quick here, so
		3958	# save all maps without fsync, and later call a global sync
		3959	# (which in turn might be very very slow)
		3960	local $USE_FSYNC = 0;
2789		3961
2790	cf::sync_job {	3962	cf::sync_job {
		3963	cf::write_runtime_sync; # external watchdog should not bark
		3964
2791	# use a peculiar iteration method to avoid tripping on perl	3965	# use a peculiar iteration method to avoid tripping on perl
2792	# refcount bugs in for. also avoids problems with players	3966	# refcount bugs in for. also avoids problems with players
2793	# and maps saved/destroyed asynchronously.	3967	# and maps saved/destroyed asynchronously.
2794	warn "begin emergency player save\n";	3968	info "emergency_perl_save: begin player save\n";
2795	for my $login (keys %cf::PLAYER) {	3969	for my $login (keys %cf::PLAYER) {
2796	my $pl = $cf::PLAYER{$login} or next;	3970	my $pl = $cf::PLAYER{$login} or next;
2797	$pl->valid or next;	3971	$pl->valid or next;
		3972	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2798	$pl->save;	3973	$pl->save;
2799	}	3974	}
2800	warn "end emergency player save\n";	3975	info "emergency_perl_save: end player save\n";
2801		3976
2802	warn "begin emergency map save\n";	3977	cf::write_runtime_sync; # external watchdog should not bark
		3978
		3979	info "emergency_perl_save: begin map save\n";
2803	for my $path (keys %cf::MAP) {	3980	for my $path (keys %cf::MAP) {
2804	my $map = $cf::MAP{$path} or next;	3981	my $map = $cf::MAP{$path} or next;
2805	$map->valid or next;	3982	$map->valid or next;
2806	$map->save;	3983	$map->save;
2807	}	3984	}
2808	warn "end emergency map save\n";	3985	info "emergency_perl_save: end map save\n";
2809		3986
2810	warn "begin emergency database checkpoint\n";	3987	cf::write_runtime_sync; # external watchdog should not bark
		3988
		3989	info "emergency_perl_save: begin database checkpoint\n";
2811	BDB::db_env_txn_checkpoint $DB_ENV;	3990	BDB::db_env_txn_checkpoint $DB_ENV;
2812	warn "end emergency database checkpoint\n";	3991	info "emergency_perl_save: end database checkpoint\n";
		3992
		3993	info "emergency_perl_save: begin write uuid\n";
		3994	write_uuid_sync 1;
		3995	info "emergency_perl_save: end write uuid\n";
		3996
		3997	cf::write_runtime_sync; # external watchdog should not bark
		3998
		3999	trace "emergency_perl_save: syncing database to disk";
		4000	BDB::db_env_txn_checkpoint $DB_ENV;
		4001
		4002	info "emergency_perl_save: starting sync\n";
		4003	IO::AIO::aio_sync sub {
		4004	info "emergency_perl_save: finished sync\n";
		4005	};
		4006
		4007	cf::write_runtime_sync; # external watchdog should not bark
		4008
		4009	trace "emergency_perl_save: flushing outstanding aio requests";
		4010	while (IO::AIO::nreqs || BDB::nreqs) {
		4011	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4012	}
		4013
		4014	cf::write_runtime_sync; # external watchdog should not bark
2813	};	4015	};
2814		4016
2815	warn "leave emergency perl save\n";	4017	info "emergency_perl_save: leave\n";
2816	}	4018	}
2817		4019
2818	sub post_cleanup {	4020	sub post_cleanup {
2819	my ($make_core) = @_;	4021	my ($make_core) = @_;
2820		4022
		4023	IO::AIO::flush;
		4024
2821	warn Carp::longmess "post_cleanup backtrace"	4025	error Carp::longmess "post_cleanup backtrace"
2822	if $make_core;	4026	if $make_core;
		4027
		4028	my $fh = pidfile;
		4029	unlink $PIDFILE if <$fh> == $$;
		4030	}
		4031
		4032	# a safer delete_package, copied from Symbol
		4033	sub clear_package($) {
		4034	my $pkg = shift;
		4035
		4036	# expand to full symbol table name if needed
		4037	unless ($pkg =~ /^main::.*::$/) {
		4038	$pkg = "main$pkg" if $pkg =~ /^::/;
		4039	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4040	$pkg .= '::' unless $pkg =~ /::$/;
		4041	}
		4042
		4043	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4044	my $stem_symtab = *{$stem}{HASH};
		4045
		4046	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4047	or return;
		4048
		4049	# clear all symbols
		4050	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4051	for my $name (keys %$leaf_symtab) {
		4052	_gv_clear *{"$pkg$name"};
		4053	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4054	}
2823	}	4055	}
2824		4056
2825	sub do_reload_perl() {	4057	sub do_reload_perl() {
2826	# can/must only be called in main	4058	# can/must only be called in main
2827	if ($Coro::current != $Coro::main) {	4059	unless (in_main) {
2828	warn "can only reload from main coroutine";	4060	error "can only reload from main coroutine";
2829	return;	4061	return;
2830	}	4062	}
2831		4063
2832	warn "reloading...";	4064	return if $RELOAD++;
2833		4065
2834	warn "entering sync_job";	4066	my $t1 = AE::time;
2835		4067
		4068	while ($RELOAD) {
		4069	cf::get_slot 0.1, -1, "reload_perl";
		4070	info "perl_reload: reloading...";
		4071
		4072	trace "perl_reload: entering sync_job";
		4073
2836	cf::sync_job {	4074	cf::sync_job {
2837	cf::write_runtime; # external watchdog should not bark
2838	cf::emergency_save;	4075	#cf::emergency_save;
2839	cf::write_runtime; # external watchdog should not bark
2840		4076
2841	warn "syncing database to disk";
2842	BDB::db_env_txn_checkpoint $DB_ENV;
2843
2844	# if anything goes wrong in here, we should simply crash as we already saved
2845
2846	warn "cancelling all WF_AUTOCANCEL watchers";
2847	for (Event::all_watchers) {
2848	$_->cancel if $_->data & WF_AUTOCANCEL;
2849	}
2850
2851	warn "flushing outstanding aio requests";
2852	for (;;) {
2853	BDB::flush;
2854	IO::AIO::flush;
2855	Coro::cede;
2856	last unless IO::AIO::nreqs || BDB::nreqs;
2857	warn "iterate...";
2858	}
2859
2860	++$RELOAD;
2861
2862	warn "cancelling all extension coros";	4077	trace "perl_reload: cancelling all extension coros";
2863	$_->cancel for values %EXT_CORO;	4078	$_->cancel for values %EXT_CORO;
2864	%EXT_CORO = ();	4079	%EXT_CORO = ();
2865		4080
2866	warn "removing commands";	4081	trace "perl_reload: removing commands";
2867	%COMMAND = ();	4082	%COMMAND = ();
2868		4083
2869	warn "removing ext commands";	4084	trace "perl_reload: removing ext/exti commands";
2870	%EXTCMD = ();	4085	%EXTCMD = ();
		4086	%EXTICMD = ();
2871		4087
2872	warn "unloading/nuking all extensions";	4088	trace "perl_reload: unloading/nuking all extensions";
2873	for my $pkg (@EXTS) {	4089	for my $pkg (@EXTS) {
2874	warn "... unloading $pkg";	4090	trace "... unloading $pkg";
2875		4091
2876	if (my $cb = $pkg->can ("unload")) {	4092	if (my $cb = $pkg->can ("unload")) {
2877	eval {	4093	eval {
2878	$cb->($pkg);	4094	$cb->($pkg);
2879	1	4095	1
2880	} or warn "$pkg unloaded, but with errors: $@";	4096	} or error "$pkg unloaded, but with errors: $@";
		4097	}
		4098
		4099	trace "... clearing $pkg";
		4100	clear_package $pkg;
2881	}	4101	}
2882		4102
2883	warn "... nuking $pkg";
2884	Symbol::delete_package $pkg;
2885	}
2886
2887	warn "unloading all perl modules loaded from $LIBDIR";	4103	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2888	while (my ($k, $v) = each %INC) {	4104	while (my ($k, $v) = each %INC) {
2889	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4105	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2890		4106
2891	warn "... unloading $k";	4107	trace "... unloading $k";
2892	delete $INC{$k};	4108	delete $INC{$k};
2893		4109
2894	$k =~ s/\.pm$//;	4110	$k =~ s/\.pm$//;
2895	$k =~ s/\//::/g;	4111	$k =~ s/\//::/g;
2896		4112
2897	if (my $cb = $k->can ("unload_module")) {	4113	if (my $cb = $k->can ("unload_module")) {
2898	$cb->();	4114	$cb->();
		4115	}
		4116
		4117	clear_package $k;
2899	}	4118	}
2900		4119
2901	Symbol::delete_package $k;
2902	}
2903
2904	warn "getting rid of safe::, as good as possible";	4120	trace "perl_reload: getting rid of safe::, as good as possible";
2905	Symbol::delete_package "safe::$_"	4121	clear_package "safe::$_"
2906	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4122	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2907		4123
2908	warn "unloading cf.pm \"a bit\"";	4124	trace "perl_reload: unloading cf.pm \"a bit\"";
2909	delete $INC{"cf.pm"};	4125	delete $INC{"cf.pm"};
2910	delete $INC{"cf/pod.pm"};	4126	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2911		4127
2912	# don't, removes xs symbols, too,	4128	# don't, removes xs symbols, too,
2913	# and global variables created in xs	4129	# and global variables created in xs
2914	#Symbol::delete_package __PACKAGE__;	4130	#clear_package __PACKAGE__;
2915		4131
2916	warn "unload completed, starting to reload now";	4132	info "perl_reload: unload completed, starting to reload now";
2917		4133
2918	warn "reloading cf.pm";	4134	trace "perl_reload: reloading cf.pm";
2919	require cf;	4135	require cf;
2920	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4136	cf::_connect_to_perl_1;
2921		4137
2922	warn "loading config and database again";	4138	trace "perl_reload: loading config and database again";
2923	cf::cfg_load;	4139	cf::reload_config;
2924		4140
2925	warn "loading extensions";	4141	trace "perl_reload: loading extensions";
2926	cf::load_extensions;	4142	cf::load_extensions;
2927		4143
		4144	if ($REATTACH_ON_RELOAD) {
2928	warn "reattaching attachments to objects/players";	4145	trace "perl_reload: reattaching attachments to objects/players";
2929	_global_reattach; # objects, sockets	4146	_global_reattach; # objects, sockets
2930	warn "reattaching attachments to maps";	4147	trace "perl_reload: reattaching attachments to maps";
2931	reattach $_ for values %MAP;	4148	reattach $_ for values %MAP;
2932	warn "reattaching attachments to players";	4149	trace "perl_reload: reattaching attachments to players";
2933	reattach $_ for values %PLAYER;	4150	reattach $_ for values %PLAYER;
		4151	}
2934		4152
2935	warn "leaving sync_job";	4153	cf::_post_init 1;
2936		4154
		4155	trace "perl_reload: leaving sync_job";
		4156
2937	1	4157	1
2938	} or do {	4158	} or do {
2939	warn $@;	4159	error $@;
2940	warn "error while reloading, exiting.";	4160	cf::cleanup "perl_reload: error, exiting.";
2941	exit 1;	4161	};
		4162
		4163	--$RELOAD;
2942	};	4164	}
2943		4165
2944	warn "reloaded";	4166	$t1 = AE::time - $t1;
		4167	info "perl_reload: completed in ${t1}s\n";
2945	};	4168	};
2946		4169
2947	our $RELOAD_WATCHER; # used only during reload	4170	our $RELOAD_WATCHER; # used only during reload
2948		4171
2949	sub reload_perl() {	4172	sub reload_perl() {
2950	# doing reload synchronously and two reloads happen back-to-back,	4173	# doing reload synchronously and two reloads happen back-to-back,
2951	# coro crashes during coro_state_free->destroy here.	4174	# coro crashes during coro_state_free->destroy here.
2952		4175
2953	$RELOAD_WATCHER ||= Event->timer (	4176	$RELOAD_WATCHER ||= cf::async {
2954	reentrant => 0,	4177	Coro::AIO::aio_wait cache_extensions;
2955	after => 0,	4178
2956	data => WF_AUTOCANCEL,	4179	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2957	cb => sub {
2958	do_reload_perl;	4180	do_reload_perl;
2959	undef $RELOAD_WATCHER;	4181	undef $RELOAD_WATCHER;
2960	},	4182	};
2961	);	4183	};
2962	}	4184	}
2963		4185
2964	register_command "reload" => sub {	4186	register_command "reload" => sub {
2965	my ($who, $arg) = @_;	4187	my ($who, $arg) = @_;
2966		4188
2967	if ($who->flag (FLAG_WIZ)) {	4189	if ($who->flag (FLAG_WIZ)) {
2968	$who->message ("reloading server.");	4190	$who->message ("reloading server.");
		4191	async {
		4192	$Coro::current->{desc} = "perl_reload";
2969	async { reload_perl };	4193	reload_perl;
		4194	};
2970	}	4195	}
2971	};	4196	};
2972		4197
2973	unshift @INC, $LIBDIR;	4198	#############################################################################
2974		4199
2975	my $bug_warning = 0;	4200	my $bug_warning = 0;
2976		4201
2977	our @WAIT_FOR_TICK;
2978	our @WAIT_FOR_TICK_BEGIN;
2979
2980	sub wait_for_tick {	4202	sub wait_for_tick() {
2981	return unless $TICK_WATCHER->is_active;	4203	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2982	return if $Coro::current == $Coro::main;
2983		4204
2984	my $signal = new Coro::Signal;	4205	$WAIT_FOR_TICK->wait;
2985	push @WAIT_FOR_TICK, $signal;
2986	$signal->wait;
2987	}	4206	}
2988		4207
2989	sub wait_for_tick_begin {	4208	sub wait_for_tick_begin() {
2990	return unless $TICK_WATCHER->is_active;	4209	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2991	return if $Coro::current == $Coro::main;
2992		4210
2993	my $signal = new Coro::Signal;	4211	my $signal = new Coro::Signal;
2994	push @WAIT_FOR_TICK_BEGIN, $signal;	4212	push @WAIT_FOR_TICK_BEGIN, $signal;
2995	$signal->wait;	4213	$signal->wait;
2996	}	4214	}
2997		4215
2998	my $min = 1e6;#d#	4216	sub tick {
2999	my $avg = 10;
3000	$TICK_WATCHER = Event->timer (
3001	reentrant => 0,
3002	parked => 1,
3003	prio => 0,
3004	at => $NEXT_TICK || $TICK,
3005	data => WF_AUTOCANCEL,
3006	cb => sub {
3007	if ($Coro::current != $Coro::main) {	4217	if ($Coro::current != $Coro::main) {
3008	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4218	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3009	unless ++$bug_warning > 10;	4219	unless ++$bug_warning > 10;
3010	return;	4220	return;
3011	}	4221	}
3012		4222
3013	$NOW = $tick_start = Event::time;	4223	cf::one_tick; # one server iteration
3014		4224
3015	cf::server_tick; # one server iteration	4225	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3016		4226
3017	0 && sync_job {#d#	4227	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3018	for(1..10) {	4228	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3019	my $t = Event::time;	4229	Coro::async_pool {
3020	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4230	$Coro::current->{desc} = "runtime saver";
3021	or die;	4231	write_runtime_sync
3022		4232	or error "ERROR: unable to write runtime file: $!";
3023	$map->width (50);
3024	$map->height (50);
3025	$map->alloc;
3026	$map->_load_objects ("/tmp/x.map", 1);
3027	my $t = Event::time - $t;
3028
3029	#next unless $t < 0.0013;#d#
3030	if ($t < $min) {
3031	$min = $t;
3032	}
3033	$avg = $avg * 0.99 + $t * 0.01;
3034	}
3035	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3036	exit 0;
3037	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3038	};	4233	};
		4234	}
3039		4235
3040	$RUNTIME += $TICK;
3041	$NEXT_TICK += $TICK;
3042
3043	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3044	$NEXT_RUNTIME_WRITE = $NOW + 10;
3045	Coro::async_pool {
3046	write_runtime
3047	or warn "ERROR: unable to write runtime file: $!";
3048	};
3049	}
3050
3051	# my $AFTER = Event::time;
3052	# warn $AFTER - $NOW;#d#
3053
3054	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3055	$sig->send;	4237	$sig->send;
3056	}	4238	}
3057	while (my $sig = shift @WAIT_FOR_TICK) {	4239	$WAIT_FOR_TICK->broadcast;
3058	$sig->send;
3059	}
3060		4240
3061	$NOW = Event::time;	4241	$LOAD = ($NOW - $TICK_START) / $TICK;
3062
3063	# if we are delayed by four ticks or more, skip them all
3064	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3065
3066	$TICK_WATCHER->at ($NEXT_TICK);
3067	$TICK_WATCHER->start;
3068
3069	$LOAD = ($NOW - $tick_start) / $TICK;
3070	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4242	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3071		4243
3072	_post_tick;	4244	if (0) {
3073		4245	if ($NEXT_TICK) {
3074		4246	my $jitter = $TICK_START - $NEXT_TICK;
		4247	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4248	debug "jitter $JITTER\n";#d#
		4249	}
3075	},	4250	}
3076	);	4251	}
3077		4252
3078	{	4253	{
3079	BDB::max_poll_time $TICK * 0.1;	4254	# configure BDB
3080	$BDB_POLL_WATCHER = Event->io (	4255	info "initialising database";
3081	reentrant => 0,	4256
3082	fd => BDB::poll_fileno,
3083	poll => 'r',
3084	prio => 0,
3085	data => WF_AUTOCANCEL,
3086	cb => \&BDB::poll_cb,
3087	);
3088	BDB::min_parallel 8;	4257	BDB::min_parallel 16;
3089		4258	BDB::max_poll_reqs $TICK * 0.1;
3090	BDB::set_sync_prepare {	4259	#$AnyEvent::BDB::WATCHER->priority (1);
3091	my $status;
3092	my $current = $Coro::current;
3093	(
3094	sub {
3095	$status = $!;
3096	$current->ready; undef $current;
3097	},
3098	sub {
3099	Coro::schedule while defined $current;
3100	$! = $status;
3101	},
3102	)
3103	};
3104		4260
3105	unless ($DB_ENV) {	4261	unless ($DB_ENV) {
3106	$DB_ENV = BDB::db_env_create;	4262	$DB_ENV = BDB::db_env_create;
		4263	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4264	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4265	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4266	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4267	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3107		4268
3108	cf::sync_job {	4269	cf::sync_job {
3109	eval {	4270	eval {
3110	BDB::db_env_open	4271	BDB::db_env_open
3111	$DB_ENV,	4272	$DB_ENV,
…		…
3113	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4274	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3114	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4275	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3115	0666;	4276	0666;
3116		4277
3117	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4278	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3118
3119	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3120	$DB_ENV->set_lk_detect;
3121	};	4279	};
3122		4280
3123	cf::cleanup "db_env_open(db): $@" if $@;	4281	cf::cleanup "db_env_open(db): $@" if $@;
3124	};	4282	};
3125	}	4283	}
		4284
		4285	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4286	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4287	};
		4288	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4289	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4290	};
		4291	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4292	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4293	};
		4294
		4295	info "database initialised";
3126	}	4296	}
3127		4297
3128	{	4298	{
		4299	# configure IO::AIO
		4300
		4301	info "initialising aio";
3129	IO::AIO::min_parallel 8;	4302	IO::AIO::min_parallel 8;
3130
3131	undef $Coro::AIO::WATCHER;
3132	IO::AIO::max_poll_time $TICK * 0.1;	4303	IO::AIO::max_poll_time $TICK * 0.1;
3133	$AIO_POLL_WATCHER = Event->io (	4304	undef $AnyEvent::AIO::WATCHER;
3134	reentrant => 0,	4305	info "aio initialised";
3135	data => WF_AUTOCANCEL,
3136	fd => IO::AIO::poll_fileno,
3137	poll => 'r',
3138	prio => 6,
3139	cb => \&IO::AIO::poll_cb,
3140	);
3141	}	4306	}
3142		4307
3143	my $_log_backtrace;	4308	our $_log_backtrace;
		4309	our $_log_backtrace_last;
3144		4310
3145	sub _log_backtrace {	4311	sub _log_backtrace {
3146	my ($msg, @addr) = @_;	4312	my ($msg, @addr) = @_;
3147		4313
3148	$msg =~ s/\n//;	4314	$msg =~ s/\n$//;
3149		4315
		4316	if ($_log_backtrace_last eq $msg) {
		4317	LOG llevInfo, "[ABT] $msg\n";
		4318	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3150	# limit the # of concurrent backtraces	4319	# limit the # of concurrent backtraces
3151	if ($_log_backtrace < 2) {	4320	} elsif ($_log_backtrace < 2) {
		4321	$_log_backtrace_last = $msg;
3152	++$_log_backtrace;	4322	++$_log_backtrace;
		4323	my $perl_bt = Carp::longmess $msg;
3153	async {	4324	async {
		4325	$Coro::current->{desc} = "abt $msg";
		4326
3154	my @bt = fork_call {	4327	my @bt = fork_call {
3155	@addr = map { sprintf "%x", $_ } @addr;	4328	@addr = map { sprintf "%x", $_ } @addr;
3156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4329	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4330	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3158	or die "addr2line: $!";	4331	or die "addr2line: $!";
…		…
3166	}	4339	}
3167		4340
3168	@funcs	4341	@funcs
3169	};	4342	};
3170		4343
3171	LOG llevInfo, "[ABT] $msg\n";	4344	LOG llevInfo, "[ABT] $perl_bt\n";
		4345	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3172	LOG llevInfo, "[ABT] $_\n" for @bt;	4346	LOG llevInfo, "[ABT] $_\n" for @bt;
3173	--$_log_backtrace;	4347	--$_log_backtrace;
3174	};	4348	};
3175	} else {	4349	} else {
3176	LOG llevInfo, "[ABT] $msg\n";	4350	LOG llevInfo, "[ABT] $msg\n";
3177	LOG llevInfo, "[ABT] [suppressed]\n";	4351	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3178	}	4352	}
3179	}	4353	}
3180		4354
3181	# load additional modules	4355	# load additional modules
3182	use cf::pod;	4356	require "cf/$_.pm" for @EXTRA_MODULES;
		4357	cf::_connect_to_perl_2;
3183		4358
3184	END { cf::emergency_save }	4359	END { cf::emergency_save }
3185		4360
3186	1	4361	1
3187		4362

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