ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.294 by root, Tue Jul 3 06:00:48 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 ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;
33	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
34		67
35	# configure various modules to our taste	68	# configure various modules to our taste
36	#	69	#
37	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		78
41	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
42		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		81
48	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;
49		85
50	our %COMMAND = ();	86	our %COMMAND = ();
51	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
52		88
53	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
55	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
58		96
59	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
61		101
62	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
63	our $DATADIR = datadir;	104	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
67	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
72	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;
73		125
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	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;
79	our $NOW;	144	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		145
82	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
83	our $DB_ENV;	147	our (%MAP, %MAP_LOADING ); # all maps
84
85	our %CFG;
86
87	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;
89
90	our %PLAYER; # all users
91	our %MAP; # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
93		149
94	# 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 ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		152
97	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)
98	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
99	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 $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
100		165
101	binmode STDOUT;	166	binmode STDOUT;
102	binmode STDERR;	167	binmode STDERR;
103		168
104	# read virtual server time, if available	169	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
109	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
110		177
111	mkdir $_	178	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		180
114	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
115		182
116	sub cf::map::normalise;	183	sub cf::map::normalise;
117		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
118	#############################################################################	189	#############################################################################
119		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
120	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
121		203
122	=over 4	204	=over 4
123		205
124	=item $cf::UPTIME	206	=item $cf::UPTIME
125		207
126	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.
127		224
128	=item $cf::RUNTIME	225	=item $cf::RUNTIME
129		226
130	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
131	every server tick.	228	every server tick.
132		229
133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
136		233
137	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
139	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
140	database environment.	237	database environment.
141		238
142	=item $cf::NOW
143
144	The time of the last (current) server tick.
145
146	=item $cf::TICK
147
148	The interval between server ticks, in seconds.
149
150	=item $cf::LOADAVG	239	=item $cf::LOADAVG
151		240
152	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
153	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
154	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
157		246
158	The raw value load value from the last tick.	247	The raw value load value from the last tick.
159		248
160	=item %cf::CFG	249	=item %cf::CFG
161		250
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	252	from wherever your confdir points to.
164		253
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		255
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	257	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	258	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		259
		260	Note that cf::Wait_for_tick will immediately return when the server is not
		261	ticking, making it suitable for small pauses in threads that need to run
		262	when the server is paused. If that is not applicable (i.e. you I<really>
		263	want to wait, use C<$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
171	=back	289	=back
172		290
173	=cut	291	=cut
174		292
175	BEGIN {	293	sub error(@) { LOG llevError, join "", @_ }
176	*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 {
177	my $msg = join "", @_;	300	my $msg = join "", @_;
178		301
179	$msg .= "\n"	302	$msg .= "\n"
180	unless $msg =~ /\n$/;	303	unless $msg =~ /\n$/;
181		304
182	$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;
183		306
184	utf8::encode $msg;
185	LOG llevError, $msg;	307	LOG llevWarn, $msg;
186	};	308	};
187	}	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	};
188		323
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	324	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	325	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	326	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	327	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	334	for my $pkg (qw(
200	cf::global cf::attachable	335	cf::global cf::attachable
201	cf::object cf::object::player	336	cf::object cf::object::player
202	cf::client cf::player	337	cf::client cf::player
203	cf::arch cf::living	338	cf::arch cf::living
		339	cf::map cf::mapspace
204	cf::map cf::party cf::region	340	cf::party cf::region
205	)) {	341	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	342	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	343	}
209		344
210	$Event::DIED = sub {	345	$EV::DIED = sub {
211	warn "error in event callback: @_";	346	warn "error in event callback: $@";
212	};	347	};
		348
		349	#############################################################################
		350
		351	sub fork_call(&@);
		352	sub get_slot($;$$);
213		353
214	#############################################################################	354	#############################################################################
215		355
216	=head2 UTILITY FUNCTIONS	356	=head2 UTILITY FUNCTIONS
217		357
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	378	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	379	$d
240	} || "[unable to dump $_[0]: '$@']";	380	} || "[unable to dump $_[0]: '$@']";
241	}	381	}
242		382
		383	=item $scalar = cf::load_file $path
		384
		385	Loads the given file from path and returns its contents. Croaks on error
		386	and can block.
		387
		388	=cut
		389
		390	sub load_file($) {
		391	0 <= aio_load $_[0], my $data
		392	or Carp::croak "$_[0]: $!";
		393
		394	$data
		395	}
		396
		397	=item $success = cf::replace_file $path, $data, $sync
		398
		399	Atomically replaces the file at the given $path with new $data, and
		400	optionally $sync the data to disk before replacing the file.
		401
		402	=cut
		403
		404	sub replace_file($$;$) {
		405	my ($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
251	=cut	443	=cut
252		444
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	445	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		446
255	sub to_json ($) { $json_coder->encode ($_[0]) }	447	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[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	}
257		511
258	=item cf::lock_wait $string	512	=item cf::lock_wait $string
259		513
260	Wait until the given lock is available. See cf::lock_acquire.	514	Wait until the given lock is available. See cf::lock_acquire.
261		515
262	=item my $lock = cf::lock_acquire $string	516	=item my $lock = cf::lock_acquire $string
263		517
264	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
265	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,
266	for example when the coroutine gets canceled), the lock is automatically	520	for example when the coroutine gets canceled), the lock is automatically
267	returned.	521	returned.
268		522
		523	Locks are *not* recursive, locking from the same coro twice results in a
		524	deadlocked coro.
		525
269	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
270	uses map_find and cf::map::load uses map_load).	527	uses map_find and cf::map::load uses map_load).
271		528
272	=item $locked = cf::lock_active $string	529	=item $locked = cf::lock_active $string
273		530
274	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.
275		532
276	=cut	533	=cut
277		534
278	our %LOCK;	535	our $LOCKS = new Coro::SemaphoreSet;
279		536
280	sub lock_wait($) {	537	sub lock_wait($) {
281	my ($key) = @_;	538	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	539	}
289		540
290	sub lock_acquire($) {	541	sub lock_acquire($) {
291	my ($key) = @_;	542	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	543	}
303		544
304	sub lock_active($) {	545	sub lock_active($) {
305	my ($key) = @_;	546	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	547	}
309		548
310	sub freeze_mainloop {	549	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	550	tick_inhibit_inc;
312		551
313	my $guard = Coro::guard {	552	&Guard::guard (\&tick_inhibit_dec);
314	$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($$) {
		563	my ($interval, $cb) = @_;
		564
		565	my $start = rand List::Util::min 180, $interval;
		566
		567	EV::periodic $start, $interval, 0, $cb
		568	}
		569
		570	=item cf::get_slot $time[, $priority[, $name]]
		571
		572	Allocate $time seconds of blocking CPU time at priority C<$priority>
		573	(default: 0): This call blocks and returns only when you have at least
		574	C<$time> seconds of cpu time till the next tick. The slot is only valid
		575	till the next cede.
		576
		577	Background jobs should use a priority les than zero, interactive jobs
		578	should use 100 or more.
		579
		580	The optional C<$name> can be used to identify the job to run. It might be
		581	used for statistical purposes and should identify the same time-class.
		582
		583	Useful for short background jobs.
		584
		585	=cut
		586
		587	our @SLOT_QUEUE;
		588	our $SLOT_QUEUE;
		589	our $SLOT_DECAY = 0.9;
		590
		591	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		592	$SLOT_QUEUE = Coro::async {
		593	$Coro::current->desc ("timeslot manager");
		594
		595	my $signal = new Coro::Signal;
		596	my $busy;
		597
		598	while () {
		599	next_job:
		600
		601	my $avail = cf::till_tick;
		602
		603	for (0 .. $#SLOT_QUEUE) {
		604	if ($SLOT_QUEUE[$_][0] <= $avail) {
		605	$busy = 0;
		606	my $job = splice @SLOT_QUEUE, $_, 1, ();
		607	$job->[2]->send;
		608	Coro::cede;
		609	goto next_job;
		610	} else {
		611	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		612	}
		613	}
		614
		615	if (@SLOT_QUEUE) {
		616	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		617	$WAIT_FOR_TICK->wait;
		618	} else {
		619	$busy = 0;
		620	Coro::schedule;
		621	}
315	};	622	}
316	$TICK_WATCHER->stop;	623	};
317	$guard	624
		625	sub get_slot($;$$) {
		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	$sig->wait;
318	}	638	}
319		639
320	=item cf::async { BLOCK }	640	=item cf::async { BLOCK }
321		641
322	Currently the same as Coro::async_pool, meaning you cannot use	642	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		647
328	BEGIN { *async = \&Coro::async_pool }	648	BEGIN { *async = \&Coro::async_pool }
329		649
330	=item cf::sync_job { BLOCK }	650	=item cf::sync_job { BLOCK }
331		651
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	652	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	653	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	654	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	655	acceptable.
336		656
337	If it must be done, put the blocking parts into C<sync_job>. This will run	657	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	658	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	662	=cut
343		663
344	sub sync_job(&) {	664	sub sync_job(&) {
345	my ($job) = @_;	665	my ($job) = @_;
346		666
347	if ($Coro::current == $Coro::main) {	667	if (in_main) {
348	my $time = Event::time;	668	my $time = AE::time;
349		669
350	# this is the main coro, too bad, we have to block	670	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	671	# till the operation succeeds, freezing the server :/
352		672
353	# TODO: use suspend/resume instead	673	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	674
355	my $freeze_guard = freeze_mainloop;	675	my $freeze_guard = freeze_mainloop;
356		676
357	my $busy = 1;	677	my $busy = 1;
358	my @res;	678	my @res;
359		679
360	(async {	680	(async {
		681	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	682	@res = eval { $job->() };
362	warn $@ if $@;	683	error $@ if $@;
363	undef $busy;	684	undef $busy;
364	})->prio (Coro::PRIO_MAX);	685	})->prio (Coro::PRIO_MAX);
365		686
366	while ($busy) {	687	while ($busy) {
367	Coro::cede or Event::one_event;	688	if (Coro::nready) {
		689	Coro::cede_notself;
		690	} else {
		691	EV::loop EV::LOOP_ONESHOT;
368	}	692	}
		693	}
369		694
370	$time = Event::time - $time;	695	my $time = AE::time - $time;
371		696
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	697	$TICK_START += $time; # do not account sync jobs to server load
376		698
377	wantarray ? @res : $res[0]	699	wantarray ? @res : $res[0]
378	} else {	700	} else {
379	# we are in another coroutine, how wonderful, everything just works	701	# we are in another coroutine, how wonderful, everything just works
380		702
…		…
400	$EXT_CORO{$coro+0} = $coro;	722	$EXT_CORO{$coro+0} = $coro;
401		723
402	$coro	724	$coro
403	}	725	}
404		726
405	=item fork_call { }, $args	727	=item fork_call { }, @args
406		728
407	Executes the given code block with the given arguments in a seperate	729	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	730	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	731	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	732	never block itself or use any form of event handling.
411		733
412	=cut	734	=cut
		735
		736	sub post_fork {
		737	reset_signals;
		738	}
413		739
414	sub fork_call(&@) {	740	sub fork_call(&@) {
415	my ($cb, @args) = @_;	741	my ($cb, @args) = @_;
416		742
417	# 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,
418	# or die "socketpair: $!";	744	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	745	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		746
422	if (my $pid = fork) {	747	my @res = Coro::Util::fork_eval {
423	close $fh2;	748	cf::post_fork;
		749	&$cb
		750	} @args;
424		751
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	752	wantarray ? @res : $res[-1]
426	$res = Coro::Storable::thaw $res;	753	}
427		754
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	755	sub objinfo {
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	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
447	}	791	}
448		792
449	=item $value = cf::db_get $family => $key	793	=item $value = cf::db_get $family => $key
450		794
451	Returns a single value from the environment database.	795	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	797	=item cf::db_put $family => $key => $value
454		798
455	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
456	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).
457		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
458	=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	}
459		828
460	our $DB;	829	our $DB;
461		830
462	sub db_init {	831	sub db_init {
463	unless ($DB) {	832	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	833	}
478		834
479	sub db_get($$) {	835	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	836	my $key = "$_[0]/$_[1]";
481		837
482	cf::sync_job {	838	cf::error "db_get called from main context"
		839	if $Coro::current == $Coro::main;
		840
483	BDB::db_get $DB, undef, $key, my $data;	841	BDB::db_get $DB, undef, $key, my $data;
484		842
485	$! ? ()	843	$! ? ()
486	: $data	844	: $data
487	}
488	}	845	}
489		846
490	sub db_put($$$) {	847	sub db_put($$$) {
491	BDB::dbreq_pri 4;	848	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	849	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
520		877
521	my @data;	878	my @data;
522	my $md5;	879	my $md5;
523		880
524	for (0 .. $#$src) {	881	for (0 .. $#$src) {
525	0 <= aio_load $src->[$_], $data[$_]	882	$data[$_] = load_file $src->[$_];
526	or Carp::croak "$src->[$_]: $!";
527	}	883	}
528		884
529	# if processing is expensive, check	885	# if processing is expensive, check
530	# checksum first	886	# checksum first
531	if (1) {	887	if (1) {
532	$md5 =	888	$md5 =
533	join "\x00",	889	join "\x00",
534	$processversion,	890	$processversion,
535	map {	891	map {
536	Coro::cede;	892	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	893	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	894	} 0.. $#$src;
539		895
540		896
541	my $dbmd5 = db_get cache => "$id/md5";	897	my $dbmd5 = db_get cache => "$id/md5";
…		…
544		900
545	return db_get cache => "$id/data";	901	return db_get cache => "$id/data";
546	}	902	}
547	}	903	}
548		904
549	my $t1 = Time::HiRes::time;	905	my $t1 = EV::time;
550	my $data = $process->(\@data);	906	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	907	my $t2 = EV::time;
552		908
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	909	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		910
555	db_put cache => "$id/data", $data;	911	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	912	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	913	db_put cache => "$id/meta", $meta;
558		914
…		…
568		924
569	=cut	925	=cut
570		926
571	sub datalog($@) {	927	sub datalog($@) {
572	my ($type, %kv) = @_;	928	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	929	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	930	}
575		931
576	=back	932	=back
577		933
578	=cut	934	=cut
579		935
580	#############################################################################	936	#############################################################################
581		937
582	=head2 ATTACHABLE OBJECTS	938	=head2 ATTACHABLE OBJECTS
583		939
584	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
585	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")
586	to it. All such attachable objects support the following methods.	942	to it. All such attachable objects support the following methods.
587		943
588	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>
589	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
590	Crossfire TRT).	946	Deliantra).
591		947
592	=over 4	948	=over 4
593		949
594	=item $attachable->attach ($attachment, key => $value...)	950	=item $attachable->attach ($attachment, key => $value...)
595		951
…		…
639	=item cf::CLASS::attachment $name, ...	995	=item cf::CLASS::attachment $name, ...
640		996
641	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
642	given CLASS can refer to this attachment.	998	given CLASS can refer to this attachment.
643		999
644	Some classes such as crossfire maps and objects can specify attachments	1000	Some classes such as deliantra maps and objects can specify attachments
645	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.
646		1002
647	These calls expect any number of the following handler/hook descriptions:	1003	These calls expect any number of the following handler/hook descriptions:
648		1004
649	=over 4	1005	=over 4
…		…
773		1129
774	} elsif (exists $cb_id{$type}) {	1130	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1131	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1132
777	} elsif (ref $type) {	1133	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1134	error "attaching objects not supported, ignoring.\n";
779		1135
780	} else {	1136	} else {
781	shift @arg;	1137	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1138	error "attach argument '$type' not supported, ignoring.\n";
783	}	1139	}
784	}	1140	}
785	}	1141	}
786		1142
787	sub _object_attach {	1143	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1153	_attach $registry, $klass, @attach;
798	}	1154	}
799		1155
800	$obj->{$name} = \%arg;	1156	$obj->{$name} = \%arg;
801	} else {	1157	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1158	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1159	}
804		1160
805	$obj->{_attachment}{$name} = undef;	1161	$obj->{_attachment}{$name} = undef;
806	}	1162	}
807		1163
…		…
847	";	1203	";
848	die if $@;	1204	die if $@;
849	}	1205	}
850		1206
851	our $override;	1207	our $override;
852	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?
853		1209
854	sub override {	1210	sub override {
855	$override = 1;	1211	$override = 1;
856	@invoke_results = ();	1212	@INVOKE_RESULTS = (@_);
857	}	1213	}
858		1214
859	sub do_invoke {	1215	sub do_invoke {
860	my $event = shift;	1216	my $event = shift;
861	my $callbacks = shift;	1217	my $callbacks = shift;
862		1218
863	@invoke_results = ();	1219	@INVOKE_RESULTS = ();
864		1220
865	local $override;	1221	local $override;
866		1222
867	for (@$callbacks) {	1223	for (@$callbacks) {
868	eval { &{$_->[1]} };	1224	eval { &{$_->[1]} };
869		1225
870	if ($@) {	1226	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1227	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1228	override;
874	}	1229	}
875		1230
876	return 1 if $override;	1231	return 1 if $override;
877	}	1232	}
878		1233
879	0	1234	0
880	}	1235	}
881		1236
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1237	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1238
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1239	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1240
886	Generate an object-specific event with the given arguments.	1241	Generate an object-specific event with the given arguments.
887		1242
888	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
889	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
890	results (if you must, access C<@cf::invoke_results> directly).	1245	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1246
892	=back	1247	=back
893		1248
894	=cut	1249	=cut
895		1250
896	#############################################################################	1251	#############################################################################
897	# 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	}
898		1295
899	sub reattach {	1296	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1297	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1298	my ($obj) = @_;
902		1299
		1300	# no longer needed after getting rid of delete_package?
903	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
904		1302
905	my $registry = $obj->registry;	1303	my $registry = $obj->registry;
906		1304
907	@$registry = ();	1305	@$registry = ();
908		1306
…		…
913	for (@$attach) {	1311	for (@$attach) {
914	my ($klass, @attach) = @$_;	1312	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1313	_attach $registry, $klass, @attach;
916	}	1314	}
917	} else {	1315	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1316	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1317	}
920	}	1318	}
921	}	1319	}
922		1320
923	cf::attachable->attach (	1321	cf::attachable->attach (
924	prio => -1000000,	1322	prio => -1000000,
925	on_instantiate => sub {	1323	on_instantiate => sub {
926	my ($obj, $data) = @_;	1324	my ($obj, $data) = @_;
927		1325
928	$data = from_json $data;	1326	$data = decode_json $data;
929		1327
930	for (@$data) {	1328	for (@$data) {
931	my ($name, $args) = @$_;	1329	my ($name, $args) = @$_;
932		1330
933	$obj->attach ($name, %{$args || {} });	1331	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1347	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1348	my ($filename, $rdata, $objs) = @_;
951		1349
952	sync_job {	1350	sync_job {
953	if (length $$rdata) {	1351	if (length $$rdata) {
		1352	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1353	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1354	$decname, length $$rdata, scalar @$objs
		1355	if $VERBOSE_IO;
956		1356
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1357	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1358	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1359	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	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	}
961	close $fh;	1364	aio_close $fh;
962		1365
963	if (@$objs) {	1366	if (@$objs) {
964	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) {
965	chmod SAVE_MODE, $fh;	1368	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1369	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1370	aio_write $fh, 0, (length $data), $data, 0;
968	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	}
969	close $fh;	1375	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1376	aio_rename "$filename.pst~", "$filename.pst";
971	}	1377	}
972	} else {	1378	} else {
973	aio_unlink "$filename.pst";	1379	aio_unlink "$filename.pst";
974	}	1380	}
975		1381
976	aio_rename "$filename~", $filename;	1382	aio_rename "$filename~", $filename;
		1383
		1384	$filename =~ s%/[^/]+$%%;
		1385	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1386	} else {
978	warn "FATAL: $filename~: $!\n";	1387	error "unable to save objects: $filename~: $!\n";
979	}	1388	}
980	} else {	1389	} else {
981	aio_unlink $filename;	1390	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
983	}	1392	}
984	}	1393	};
985	}	1394	}
986		1395
987	sub object_freezer_as_string {	1396	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1397	my ($rdata, $objs) = @_;
989		1398
…		…
1001	or return;	1410	or return;
1002		1411
1003	unless (aio_stat "$filename.pst") {	1412	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1413	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1414	or return;
		1415
1006	$av = eval { (Storable::thaw $av)->{objs} };	1416	my $st = eval { Coro::Storable::thaw $av };
		1417	$av = $st->{objs};
1007	}	1418	}
1008		1419
		1420	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1421	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1422	$decname, length $data, scalar @{$av || []}
		1423	if $VERBOSE_IO;
		1424
1011	return ($data, $av);	1425	($data, $av)
1012	}	1426	}
1013		1427
1014	=head2 COMMAND CALLBACKS	1428	=head2 COMMAND CALLBACKS
1015		1429
1016	=over 4	1430	=over 4
…		…
1018	=cut	1432	=cut
1019		1433
1020	#############################################################################	1434	#############################################################################
1021	# command handling &c	1435	# command handling &c
1022		1436
1023	=item cf::register_command $name => \&callback($ob,$args);	1437	=item cf::register_command $name => \&callback($ob,$args)
1024		1438
1025	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
1026	$name.	1440	$name.
1027		1441
1028	=cut	1442	=cut
…		…
1034	#warn "registering command '$name/$time' to '$caller'";	1448	#warn "registering command '$name/$time' to '$caller'";
1035		1449
1036	push @{ $COMMAND{$name} }, [$caller, $cb];	1450	push @{ $COMMAND{$name} }, [$caller, $cb];
1037	}	1451	}
1038		1452
1039	=item cf::register_extcmd $name => \&callback($pl,$packet);	1453	=item cf::register_extcmd $name => \&callback($pl,@args)
1040		1454
1041	Register a callback for execution when the client sends an (synchronous)	1455	Register a callback for execution when the client sends an (synchronous)
1042	extcmd packet. Ext commands will be processed in the order they are	1456	extcmd packet. Ext commands will be processed in the order they are
1043	received by the server, like other user commands. The first argument is	1457	received by the server, like other user commands. The first argument is
1044	the logged-in player. Ext commands can only be processed after a player	1458	the logged-in player. Ext commands can only be processed after a player
1045	has logged in successfully.	1459	has logged in successfully.
1046		1460
1047	If the callback returns something, it is sent back as if reply was being	1461	The values will be sent back to the client.
1048	called.
1049		1462
		1463	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1464
		1465	Same as C<cf::register_extcmd>, but instead of returning values, the
		1466	callback needs to clal the C<$reply> function.
		1467
1050	=item cf::register_exticmd $name => \&callback($ns,$packet);	1468	=item cf::register_exticmd $name => \&callback($ns,@args)
1051		1469
1052	Register a callback for execution when the client sends an (asynchronous)	1470	Register a callback for execution when the client sends an (asynchronous)
1053	exticmd packet. Exti commands are processed by the server as soon as they	1471	exticmd packet. Exti commands are processed by the server as soon as they
1054	are received, i.e. out of order w.r.t. other commands. The first argument	1472	are received, i.e. out of order w.r.t. other commands. The first argument
1055	is a client socket. Exti commands can be received anytime, even before	1473	is a client socket. Exti commands can be received anytime, even before
1056	log-in.	1474	log-in.
1057		1475
1058	If the callback returns something, it is sent back as if reply was being	1476	The values will be sent back to the client.
1059	called.
1060		1477
1061	=cut	1478	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1062		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
1063	sub register_extcmd {	1485	sub register_extcmd($$) {
1064	my ($name, $cb) = @_;	1486	my ($name, $cb) = @_;
1065		1487
1066	$EXTCMD{$name} = $cb;	1488	$EXTCMD{$name} = $cb;
1067	}	1489	}
1068		1490
1069	sub register_exticmd {	1491	sub register_async_extcmd($$) {
1070	my ($name, $cb) = @_;	1492	my ($name, $cb) = @_;
1071		1493
		1494	$EXTACMD{$name} = $cb;
		1495	}
		1496
		1497	sub register_exticmd($$) {
		1498	my ($name, $cb) = @_;
		1499
1072	$EXTICMD{$name} = $cb;	1500	$EXTICMD{$name} = $cb;
1073	}	1501	}
1074		1502
		1503	sub register_async_exticmd($$) {
		1504	my ($name, $cb) = @_;
		1505
		1506	$EXTIACMD{$name} = $cb;
		1507	}
		1508
		1509	use File::Glob ();
		1510
1075	cf::player->attach (	1511	cf::player->attach (
1076	on_command => sub {	1512	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1513	my ($pl, $name, $params) = @_;
1078		1514
1079	my $cb = $COMMAND{$name}	1515	my $cb = $COMMAND{$name}
1080	or return;	1516	or return;
1081		1517
…		…
1089	my ($pl, $buf) = @_;	1525	my ($pl, $buf) = @_;
1090		1526
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1527	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1528
1093	if (ref $msg) {	1529	if (ref $msg) {
		1530	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1531
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1532	if (my $cb = $EXTACMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1533	$cb->(
1096	$pl->ext_reply ($msg->{msgid}, %reply);	1534	$pl,
		1535	sub {
		1536	$pl->ext_msg ("reply-$reply", @_)
		1537	if $reply;
		1538	},
		1539	@payload
		1540	);
		1541	} else {
		1542	my @reply;
		1543
		1544	if (my $cb = $EXTCMD{$type}) {
		1545	@reply = $cb->($pl, @payload);
1097	}	1546	}
		1547
		1548	$pl->ext_msg ("reply-$reply", @reply)
		1549	if $reply;
1098	}	1550	}
		1551
1099	} else {	1552	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1553	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1554	}
1102		1555
1103	cf::override;	1556	cf::override;
1104	},	1557	},
1105	);	1558	);
1106		1559
		1560	# "readahead" all extensions
		1561	sub cache_extensions {
		1562	my $grp = IO::AIO::aio_group;
		1563
		1564	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1565	for (grep /\.ext$/, @{$_[0]}) {
		1566	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1567	}
		1568	};
		1569
		1570	$grp
		1571	}
		1572
		1573	sub _ext_cfg_reg($$$$) {
		1574	my ($rvar, $varname, $cfgname, $default) = @_;
		1575
		1576	$cfgname = lc $varname
		1577	unless length $cfgname;
		1578
		1579	$EXT_CFG{$cfgname} = [$rvar, $default];
		1580
		1581	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1582	}
		1583
1107	sub load_extensions {	1584	sub load_extensions {
		1585	info "loading extensions...";
		1586
		1587	%EXT_CFG = ();
		1588
1108	cf::sync_job {	1589	cf::sync_job {
1109	my %todo;	1590	my %todo;
1110		1591
1111	for my $path (<$LIBDIR/*.ext>) {	1592	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1593	next unless -r $path;
…		…
1130		1611
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1612	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1613	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1614
1134	$ext{source} =	1615	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1616	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1617	. "#line 1 \"$path\"\n{\n"
1137	. $source	1618	. $source
1138	. "\n};\n1";	1619	. "\n};\n1";
1139		1620
1140	$todo{$base} = \%ext;	1621	$todo{$base} = \%ext;
1141	}	1622	}
1142		1623
		1624	my $pass = 0;
1143	my %done;	1625	my %done;
1144	while (%todo) {	1626	while (%todo) {
1145	my $progress;	1627	my $progress;
1146		1628
		1629	++$pass;
		1630
		1631	ext:
1147	while (my ($k, $v) = each %todo) {	1632	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1633	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1634	next ext
1150	unless exists $done{$_};	1635	unless exists $done{$_};
1151	}	1636	}
1152		1637
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1638	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1639
1155	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 $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1652	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1653
		1654	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1655	if exists $v->{meta}{mandatory};
1160	warn $msg;	1656
1161	warn "mandatory extension failed to load, exiting.\n";	1657	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1658	delete $todo{$k};
1163	}	1659	} else {
1164		1660	$done{$k} = delete $todo{$k};
1165	warn $msg;	1661	push @EXTS, $v->{pkg};
		1662	$progress = 1;
		1663
		1664	info "$v->{base}: extension inactive.\n"
		1665	unless $active;
1166	}	1666	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1667	}
1172		1668
1173	skip:	1669	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1670	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	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	}
1176	}	1679	}
1177	};	1680	};
1178	}	1681	}
1179		1682
1180	#############################################################################	1683	#############################################################################
1181		1684
1182	=back	1685	=back
1183		1686
1184	=head2 CORE EXTENSIONS	1687	=head2 CORE EXTENSIONS
1185		1688
1186	Functions and methods that extend core crossfire objects.	1689	Functions and methods that extend core deliantra objects.
1187		1690
1188	=cut	1691	=cut
1189		1692
1190	package cf::player;	1693	package cf::player;
1191		1694
1192	use Coro::AIO;	1695	use Coro::AIO;
1193		1696
1194	=head3 cf::player	1697	=head3 cf::player
1195		1698
1196	=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	}
1197		1714
1198	=item cf::player::find $login	1715	=item cf::player::find $login
1199		1716
1200	Returns the given player object, loading it if necessary (might block).	1717	Returns the given player object, loading it if necessary (might block).
1201		1718
…		…
1220		1737
1221	sub exists($) {	1738	sub exists($) {
1222	my ($login) = @_;	1739	my ($login) = @_;
1223		1740
1224	$cf::PLAYER{$login}	1741	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1742	or !aio_stat path $login
1226	}	1743	}
1227		1744
1228	sub find($) {	1745	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1746	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1747	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1754	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1755	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1756	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1757	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1758
1242	my $pl = load_pl path $login	1759	my $f = new_from_file cf::object::thawer path $login
1243	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;
1244	$cf::PLAYER{$login} = $pl	1767	$cf::PLAYER{$login} = $pl
1245	}	1768	}
1246	}	1769	}
1247	}	1770	}
		1771
		1772	cf::player->attach (
		1773	on_load => sub {
		1774	my ($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	);
1248		1784
1249	sub save($) {	1785	sub save($) {
1250	my ($pl) = @_;	1786	my ($pl) = @_;
1251		1787
1252	return if $pl->{deny_save};	1788	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1793	return if $pl->{deny_save};
1258		1794
1259	aio_mkdir playerdir $pl, 0770;	1795	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1796	$pl->{last_save} = $cf::RUNTIME;
1261		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
1262	$pl->save_pl ($path);	1803	$pl->save_pl ($path);
1263	Coro::cede;	1804	cf::cede_to_tick;
1264	}	1805	}
1265		1806
1266	sub new($) {	1807	sub new($) {
1267	my ($login) = @_;	1808	my ($login) = @_;
1268		1809
…		…
1274	$cf::PLAYER{$login} = $self;	1815	$cf::PLAYER{$login} = $self;
1275		1816
1276	$self	1817	$self
1277	}	1818	}
1278		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
1279	=item $pl->quit_character	1830	=item $pl->quit_character
1280		1831
1281	Nukes the player without looking back. If logged in, the connection will	1832	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1833	be destroyed. May block for a long time.
1283		1834
…		…
1287	my ($pl) = @_;	1838	my ($pl) = @_;
1288		1839
1289	my $name = $pl->ob->name;	1840	my $name = $pl->ob->name;
1290		1841
1291	$pl->{deny_save} = 1;	1842	$pl->{deny_save} = 1;
1292	$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
1293		1844
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1845	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1846	$pl->deactivate;
		1847
		1848	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1849	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1850	ext::highscore::check ($pl->ob);
		1851
1297	$pl->ns->destroy if $pl->ns;	1852	$pl->ns->destroy if $pl->ns;
1298		1853
1299	my $path = playerdir $pl;	1854	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1855	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1856	aio_rename $path, $temp;
…		…
1336	or return [];	1891	or return [];
1337		1892
1338	my @logins;	1893	my @logins;
1339		1894
1340	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") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1901	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1902	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1903	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1904	}
1344		1905
1345	utf8::decode $login;	1906	utf8::decode $login;
1346	push @logins, $login;	1907	push @logins, $login;
1347	}	1908	}
1348		1909
1349	\@logins	1910	\@logins
1350	}	1911	}
1351		1912
1352	=item $player->maps	1913	=item $player->maps
		1914
		1915	=item cf::player::maps $login
1353		1916
1354	Returns an arrayref of map paths that are private for this	1917	Returns an arrayref of map paths that are private for this
1355	player. May block.	1918	player. May block.
1356		1919
1357	=cut	1920	=cut
…		…
1375	}	1938	}
1376		1939
1377	\@paths	1940	\@paths
1378	}	1941	}
1379		1942
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1943	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1944
1382	Expand crossfire pod fragments into protocol xml.	1945	Expand deliantra pod fragments into protocol xml.
1383		1946
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	1 while s/\s*\n\s*\n\s*/\n/;
1418
1419	s/^\s+//;
1420	s/\s+$//;
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)
1431
1432	Sends an ext reply to the player.
1433
1434	=cut
1435
1436	sub ext_reply($$%) {
1437	my ($self, $id, %msg) = @_;
1438
1439	$msg{msgid} = $id;
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}
1442
1443	=item $player->ext_event ($type, %msg)	1947	=item $player->ext_msg ($type, @msg)
1444		1948
1445	Sends an ext event to the client.	1949	Sends an ext event to the client.
1446		1950
1447	=cut	1951	=cut
1448		1952
1449	sub ext_event($$%) {	1953	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1954	my ($self, $type, @msg) = @_;
1451		1955
1452	$self->ns->ext_event ($type, %msg);	1956	$self->ns->ext_msg ($type, @msg);
1453	}	1957	}
1454		1958
1455	=head3 cf::region	1959	=head3 cf::region
1456		1960
1457	=over 4	1961	=over 4
…		…
1467	=cut	1971	=cut
1468		1972
1469	sub find_by_path($) {	1973	sub find_by_path($) {
1470	my ($path) = @_;	1974	my ($path) = @_;
1471		1975
		1976	$path =~ s/^~[^\/]*//; # skip ~login
		1977
1472	my ($match, $specificity);	1978	my ($match, $specificity);
1473		1979
1474	for my $region (list) {	1980	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1981	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1982	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1983	if $region->specificity > $specificity;
1478	}	1984	}
1479	}	1985	}
1480		1986
…		…
1501	our $MAX_RESET = 3600;	2007	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	2008	our $DEFAULT_RESET = 3000;
1503		2009
1504	sub generate_random_map {	2010	sub generate_random_map {
1505	my ($self, $rmp) = @_;	2011	my ($self, $rmp) = @_;
1506	# mit "rum" bekleckern, nicht	2012
		2013	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2014
1507	$self->_create_random_map (	2015	$self->_create_random_map ($rmp);
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1515	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1516	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1518	(cf::region::find $rmp->{region}), $rmp->{custom}
1519	)
1520	}	2016	}
1521		2017
1522	=item cf::map->register ($regex, $prio)	2018	=item cf::map->register ($regex, $prio)
1523		2019
1524	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
…		…
1529		2025
1530	sub register {	2026	sub register {
1531	my (undef, $regex, $prio) = @_;	2027	my (undef, $regex, $prio) = @_;
1532	my $pkg = caller;	2028	my $pkg = caller;
1533		2029
1534	no strict;
1535	push @{"$pkg\::ISA"}, __PACKAGE__;	2030	push @{"$pkg\::ISA"}, __PACKAGE__;
1536		2031
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2032	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	2033	}
1539		2034
1540	# also paths starting with '/'	2035	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2036	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		2037
1543	sub thawer_merge {	2038	sub thawer_merge {
1544	my ($self, $merge) = @_;	2039	my ($self, $merge) = @_;
1545		2040
1546	# we have to keep some variables in memory intact	2041	# we have to keep some variables in memory intact
…		…
1551	}	2046	}
1552		2047
1553	sub normalise {	2048	sub normalise {
1554	my ($path, $base) = @_;	2049	my ($path, $base) = @_;
1555		2050
1556	$path = "$path"; # make sure its a string	2051	$path = "$path"; # make sure it's a string
1557		2052
1558	$path =~ s/\.map$//;	2053	$path =~ s/\.map$//;
1559		2054
1560	# map plan:	2055	# map plan:
1561	#	2056	#
…		…
1576	$base =~ s{[^/]+/?$}{};	2071	$base =~ s{[^/]+/?$}{};
1577	$path = "$base/$path";	2072	$path = "$base/$path";
1578	}	2073	}
1579		2074
1580	for ($path) {	2075	for ($path) {
1581	redo if s{//}{/};
1582	redo if s{/\.?/}{/};	2076	redo if s{/\.?/}{/};
1583	redo if s{/[^/]+/\.\./}{/};	2077	redo if s{/[^/]+/\.\./}{/};
1584	}	2078	}
1585		2079
1586	$path	2080	$path
…		…
1600	$self->init; # pass $1 etc.	2094	$self->init; # pass $1 etc.
1601	return $self;	2095	return $self;
1602	}	2096	}
1603	}	2097	}
1604		2098
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	2099	Carp::cluck "unable to resolve path '$path' (base '$base')";
1606	()	2100	()
1607	}	2101	}
1608		2102
		2103	# may re-bless or do other evil things
1609	sub init {	2104	sub init {
1610	my ($self) = @_;	2105	my ($self) = @_;
1611		2106
1612	$self	2107	$self
1613	}	2108	}
…		…
1632		2127
1633	# the temporary/swap location	2128	# the temporary/swap location
1634	sub save_path {	2129	sub save_path {
1635	my ($self) = @_;	2130	my ($self) = @_;
1636		2131
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2132	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	2133	"$TMPDIR/$path.map"
1639	}	2134	}
1640		2135
1641	# the unique path, undef == no special unique path	2136	# the unique path, undef == no special unique path
1642	sub uniq_path {	2137	sub uniq_path {
1643	my ($self) = @_;	2138	my ($self) = @_;
1644		2139
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2140	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	2141	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	2142	}
1657		2143
1658	sub decay_objects {	2144	sub decay_objects {
1659	my ($self) = @_;	2145	my ($self) = @_;
1660		2146
…		…
1673		2159
1674	sub load_header_from($) {	2160	sub load_header_from($) {
1675	my ($self, $path) = @_;	2161	my ($self, $path) = @_;
1676		2162
1677	utf8::encode $path;	2163	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	2164	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	2165	or return;
1683		2166
		2167	$self->_load_header ($f)
		2168	or return;
		2169
		2170	local $MAP_LOADING{$self->{path}} = $self;
		2171	$f->resolve_delayed_derefs;
		2172
1684	$self->{load_path} = $path;	2173	$self->{load_path} = $path;
1685		2174
1686	1	2175	1
1687	}	2176	}
1688		2177
		2178	# used to laod the header of an original map
1689	sub load_header_orig {	2179	sub load_header_orig {
1690	my ($self) = @_;	2180	my ($self) = @_;
1691		2181
1692	$self->load_header_from ($self->load_path)	2182	$self->load_header_from ($self->load_path)
1693	}	2183	}
1694		2184
		2185	# used to laod the header of an instantiated map
1695	sub load_header_temp {	2186	sub load_header_temp {
1696	my ($self) = @_;	2187	my ($self) = @_;
1697		2188
1698	$self->load_header_from ($self->save_path)	2189	$self->load_header_from ($self->save_path)
1699	}	2190	}
1700		2191
		2192	# called after loading the header from an instantiated map
1701	sub prepare_temp {	2193	sub prepare_temp {
1702	my ($self) = @_;	2194	my ($self) = @_;
1703		2195
1704	$self->last_access ((delete $self->{last_access})	2196	$self->last_access ((delete $self->{last_access})
1705	|| $cf::RUNTIME); #d#	2197	|| $cf::RUNTIME); #d#
1706	# safety	2198	# safety
1707	$self->{instantiate_time} = $cf::RUNTIME	2199	$self->{instantiate_time} = $cf::RUNTIME
1708	if $self->{instantiate_time} > $cf::RUNTIME;	2200	if $self->{instantiate_time} > $cf::RUNTIME;
1709	}	2201	}
1710		2202
		2203	# called after loading the header from an original map
1711	sub prepare_orig {	2204	sub prepare_orig {
1712	my ($self) = @_;	2205	my ($self) = @_;
1713		2206
1714	$self->{load_original} = 1;	2207	$self->{load_original} = 1;
1715	$self->{instantiate_time} = $cf::RUNTIME;	2208	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1739		2232
1740	sub find;	2233	sub find;
1741	sub find {	2234	sub find {
1742	my ($path, $origin) = @_;	2235	my ($path, $origin) = @_;
1743		2236
		2237	cf::cede_to_tick;
		2238
1744	$path = normalise $path, $origin && $origin->path;	2239	$path = normalise $path, $origin;
1745		2240
		2241	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2242	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2243
1748	$cf::MAP{$path} || do {	2244	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2245	my $map = new_from_path cf::map $path
1751	or return;	2246	or return;
1752		2247
1753	$map->{last_save} = $cf::RUNTIME;	2248	$map->{last_save} = $cf::RUNTIME;
1754		2249
…		…
1756	or return;	2251	or return;
1757		2252
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2253	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2254	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2255	#$cf::WAIT_FOR_TICK->wait;
		2256	undef $guard2;
		2257	undef $guard1;
1761	$map->reset;	2258	$map->reset;
1762	undef $guard;
1763	return find $path;	2259	return find $path;
1764	}	2260	}
1765		2261
1766	$cf::MAP{$path} = $map	2262	$cf::MAP{$path} = $map
1767	}	2263	}
1768	}	2264	}
1769		2265
1770	sub pre_load { }	2266	sub pre_load { }
1771	sub post_load { }	2267	#sub post_load { } # XS
1772		2268
1773	sub load {	2269	sub load {
1774	my ($self) = @_;	2270	my ($self) = @_;
1775		2271
1776	local $self->{deny_reset} = 1; # loading can take a long time	2272	local $self->{deny_reset} = 1; # loading can take a long time
1777		2273
1778	my $path = $self->{path};	2274	my $path = $self->{path};
1779		2275
1780	{	2276	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2277	my $guard = cf::lock_acquire "map_data:$path";
1782		2278
		2279	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2280	return unless $self->state == cf::MAP_SWAPPED;
1784
1785	$self->in_memory (cf::MAP_LOADING);
1786		2281
1787	$self->alloc;	2282	$self->alloc;
1788		2283
1789	$self->pre_load;	2284	$self->pre_load;
1790	Coro::cede;	2285	cf::cede_to_tick;
1791		2286
1792	$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)
1793	or return;	2291	or return;
1794		2292
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2293	$self->post_load_original
1796	if delete $self->{load_original};	2294	if delete $self->{load_original};
1797		2295
1798	if (my $uniq = $self->uniq_path) {	2296	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2297	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2298	unless (aio_stat $uniq) {
		2299	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2300	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2301	$self->_load_objects ($f);
		2302	$f->resolve_delayed_derefs;
		2303	}
		2304	}
1803	}	2305	}
1804	}
1805		2306
1806	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;
1807	# now do the right thing for maps	2316	# now do the right thing for maps
1808	$self->link_multipart_objects;	2317	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2318	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2319	unless $self->difficulty;
1811	Coro::cede;	2320	cf::cede_to_tick;
1812		2321
1813	unless ($self->{deny_activate}) {	2322	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2323	$self->decay_objects;
1815	$self->fix_auto_apply;	2324	$self->fix_auto_apply;
1816	$self->update_buttons;	2325	$self->update_buttons;
1817	Coro::cede;	2326	cf::cede_to_tick;
1818	$self->set_darkness_map;	2327	#$self->activate; # no longer activate maps automatically
1819	Coro::cede;
1820	$self->activate;
1821	}	2328	}
1822		2329
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2330	$self->{last_save} = $cf::RUNTIME;
		2331	$self->last_access ($cf::RUNTIME);
1824	}	2332	}
1825		2333
1826	$self->post_load;	2334	$self->post_load;
1827	}
1828		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
1829	sub customise_for {	2342	sub customise_for {
1830	my ($self, $ob) = @_;	2343	my ($self, $ob) = @_;
1831		2344
1832	return find "~" . $ob->name . "/" . $self->{path}	2345	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2346	if $self->per_player;
…		…
1836	# if $self->per_party;	2349	# if $self->per_party;
1837		2350
1838	$self	2351	$self
1839	}	2352	}
1840		2353
1841	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {
1843	my ($map) = @_;
1844
1845	my @diag; # diagonal neighbours
1846
1847	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)
1849	or next;
1850	$neigh = find $neigh, $map
1851	or next;
1852	$neigh->load;
1853
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}
1857
1858	for (@diag) {
1859	my $neigh = find @$_
1860	or next;
1861	$neigh->load;
1862	}
1863	}
1864
1865	sub find_sync {	2354	sub find_sync {
1866	my ($path, $origin) = @_;	2355	my ($path, $origin) = @_;
1867		2356
1868	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
1869	}	2362	}
1870		2363
1871	sub do_load_sync {	2364	sub do_load_sync {
1872	my ($map) = @_;	2365	my ($map) = @_;
1873		2366
1874	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;
1875	}	2372	}
1876		2373
1877	our %MAP_PREFETCH;	2374	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2375	our $MAP_PREFETCHER = undef;
1879		2376
1880	sub find_async {	2377	sub find_async {
1881	my ($path, $origin) = @_;	2378	my ($path, $origin, $load) = @_;
1882		2379
1883	$path = normalise $path, $origin && $origin->{path};	2380	$path = normalise $path, $origin;
1884		2381
1885	if (my $map = $cf::MAP{$path}) {	2382	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2383	return $map if !$load || $map->linkable;
1887	}	2384	}
1888		2385
1889	undef $MAP_PREFETCH{$path};	2386	$MAP_PREFETCH{$path} |= $load;
		2387
1890	$MAP_PREFETCHER ||= cf::async {	2388	$MAP_PREFETCHER ||= cf::async {
		2389	$Coro::current->{desc} = "map prefetcher";
		2390
1891	while (%MAP_PREFETCH) {	2391	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2392	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2393	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2394	$map->load if $v;
		2395	}
1896		2396
1897	delete $MAP_PREFETCH{$path};	2397	delete $MAP_PREFETCH{$k};
1898	}	2398	}
1899	}	2399	}
1900	undef $MAP_PREFETCHER;	2400	undef $MAP_PREFETCHER;
1901	};	2401	};
1902	$MAP_PREFETCHER->prio (6);	2402	$MAP_PREFETCHER->prio (6);
1903		2403
1904	()	2404	()
1905	}	2405	}
1906		2406
		2407	# common code, used by both ->save and ->swapout
1907	sub save {	2408	sub _save {
1908	my ($self) = @_;	2409	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2410
1912	$self->{last_save} = $cf::RUNTIME;	2411	$self->{last_save} = $cf::RUNTIME;
1913		2412
1914	return unless $self->dirty;	2413	return unless $self->dirty;
1915		2414
…		…
1921	return if $self->{deny_save};	2420	return if $self->{deny_save};
1922		2421
1923	local $self->{last_access} = $self->last_access;#d#	2422	local $self->{last_access} = $self->last_access;#d#
1924		2423
1925	cf::async {	2424	cf::async {
		2425	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2426	$_->contr->save for $self->players;
1927	};	2427	};
		2428
		2429	cf::get_slot 0.02;
1928		2430
1929	if ($uniq) {	2431	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2433	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2434	} else {
1933	$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);
1934	}	2436	}
1935	}	2437	}
1936		2438
		2439	sub save {
		2440	my ($self) = @_;
		2441
		2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2443
		2444	$self->_save;
		2445	}
		2446
1937	sub swap_out {	2447	sub swap_out {
1938	my ($self) = @_;	2448	my ($self) = @_;
1939		2449
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2450	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2451
		2452	return if !$self->linkable;
		2453	return if $self->{deny_save};
1945	return if $self->players;	2454	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		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
1949	$self->clear;	2465	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2466	}
1952		2467
1953	sub reset_at {	2468	sub reset_at {
1954	my ($self) = @_;	2469	my ($self) = @_;
1955		2470
…		…
1973		2488
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2490
1976	return if $self->players;	2491	return if $self->players;
1977		2492
1978	warn "resetting map ", $self->path;	2493	cf::trace "resetting map ", $self->path, "\n";
1979		2494
1980	$self->in_memory (cf::MAP_SWAPPED);	2495	$self->state (cf::MAP_SWAPPED);
1981		2496
1982	# need to save uniques path	2497	# need to save uniques path
1983	unless ($self->{deny_save}) {	2498	unless ($self->{deny_save}) {
1984	my $uniq = $self->uniq_path; utf8::encode $uniq;	2499	my $uniq = $self->uniq_path; utf8::encode $uniq;
1985		2500
…		…
1987	if $uniq;	2502	if $uniq;
1988	}	2503	}
1989		2504
1990	delete $cf::MAP{$self->path};	2505	delete $cf::MAP{$self->path};
1991		2506
		2507	$self->deactivate;
		2508	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2509	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2510
1996	$self->unlink_save;	2511	$self->unlink_save;
1997	$self->destroy;	2512	$self->destroy;
1998	}	2513	}
1999		2514
2000	my $nuke_counter = "aaaa";	2515	my $nuke_counter = "aaaa";
2001		2516
2002	sub nuke {	2517	sub nuke {
2003	my ($self) = @_;	2518	my ($self) = @_;
2004		2519
		2520	{
		2521	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2522
2005	delete $cf::MAP{$self->path};	2523	delete $cf::MAP{$self->path};
2006		2524
2007	$self->unlink_save;	2525	$self->unlink_save;
2008		2526
2009	bless $self, "cf::map";	2527	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2528	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2529	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2530	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2531	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2532
2015	$cf::MAP{$self->path} = $self;	2533	$cf::MAP{$self->path} = $self;
		2534	}
2016		2535
2017	$self->reset; # polite request, might not happen	2536	$self->reset; # polite request, might not happen
2018	}	2537	}
2019		2538
2020	=item $maps = cf::map::tmp_maps	2539	=item $maps = cf::map::tmp_maps
…		…
2062		2581
2063	sub unique_maps() {	2582	sub unique_maps() {
2064	[	2583	[
2065	map {	2584	map {
2066	utf8::decode $_;	2585	utf8::decode $_;
2067	/\.map$/	2586	s/\.map$//; # TODO future compatibility hack
		2587	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2588	? ()
2068	? normalise $_	2589	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2590	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2591	]
2072	}	2592	}
2073		2593
2074	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	}
2075		2625
2076	=back	2626	=back
2077		2627
2078	=head3 cf::object	2628	=head3 cf::object
2079		2629
…		…
2083		2633
2084	=over 4	2634	=over 4
2085		2635
2086	=item $ob->inv_recursive	2636	=item $ob->inv_recursive
2087		2637
2088	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.
2089		2640
2090	=cut	2641	=cut
2091		2642
2092	sub inv_recursive_;	2643	sub inv_recursive_;
2093	sub inv_recursive_ {	2644	sub inv_recursive_ {
…		…
2096		2647
2097	sub inv_recursive {	2648	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2649	inv_recursive_ inv $_[0]
2099	}	2650	}
2100		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
2101	package cf;	2680	package cf;
2102		2681
2103	=back	2682	=back
2104		2683
2105	=head3 cf::object::player	2684	=head3 cf::object::player
…		…
2111	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>
2112	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
2113	dialogue with the given NPC character.	2692	dialogue with the given NPC character.
2114		2693
2115	=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	};
2116		2709
2117	# rough implementation of a future "reply" method that works	2710	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2711	# with dialog boxes.
2119	#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
2120	sub cf::object::player::reply($$$;$) {	2713	sub cf::object::player::reply($$$;$) {
…		…
2127		2720
2128	} else {	2721	} else {
2129	my $pl = $self->contr;	2722	my $pl = $self->contr;
2130		2723
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2724	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2725	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2726	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2727
2140	} else {	2728	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2729	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2730	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2731	}
2144	}	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 (@_);
2145	}	2743	}
2146		2744
2147	=item $player_object->may ("access")	2745	=item $player_object->may ("access")
2148		2746
2149	Returns wether the given player is authorized to access resource "access"	2747	Returns wether the given player is authorized to access resource "access"
…		…
2162		2760
2163	=item $player_object->enter_link	2761	=item $player_object->enter_link
2164		2762
2165	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}>).
2166		2764
2167	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.
2168	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.
2169		2769
2170	Will never block.	2770	Will never block.
2171		2771
2172	=item $player_object->leave_link ($map, $x, $y)	2772	=item $player_object->leave_link ($map, $x, $y)
2173		2773
…		…
2193	sub cf::object::player::enter_link {	2793	sub cf::object::player::enter_link {
2194	my ($self) = @_;	2794	my ($self) = @_;
2195		2795
2196	$self->deactivate_recursive;	2796	$self->deactivate_recursive;
2197		2797
		2798	++$self->{_link_recursion};
		2799
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2800	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2801
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2802	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2803	if $self->map && $self->map->{path} ne "{link}";
2202		2804
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2805	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2806	}
2205		2807
2206	sub cf::object::player::leave_link {	2808	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2809	my ($self, $map, $x, $y) = @_;
2208		2810
…		…
2225	($x, $y) = (-1, -1)	2827	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2828	unless (defined $x) && (defined $y);
2227		2829
2228	# use -1 or undef as default coordinates, not 0, 0	2830	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2831	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2832	if $x <= 0 && $y <= 0;
2231		2833
2232	$map->load;	2834	$map->load;
2233	$map->load_diag;
2234		2835
2235	return unless $self->contr->active;	2836	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2837
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2838	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2839	if ($self->enter_map ($map, $x, $y)) {
2240	}	2840	# entering was successful
		2841	delete $self->{_link_recursion};
		2842	# only activate afterwards, to support waiting in hooks
		2843	$self->activate_recursive;
		2844	}
2241		2845
		2846	}
		2847
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2848	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243		2849
2244	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
2245	her, loading and preparing them map, calling the provided $check callback	2851	her, loading and preparing them map, calling the provided $check callback
2246	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
2247	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 >>.
2248		2858
2249	=cut	2859	=cut
2250		2860
2251	our $GOTOGEN;	2861	our $GOTOGEN;
2252		2862
2253	sub cf::object::player::goto {	2863	sub cf::object::player::goto {
2254	my ($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	}
2255		2871
2256	# 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
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2873	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2874
2259	$self->enter_link;	2875	$self->enter_link;
2260		2876
2261	(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
2262	my $map = eval {	2899	my $map = eval {
2263	my $map = cf::map::find $path;	2900	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2264		2901
2265	if ($map) {	2902	if ($map) {
2266	$map = $map->customise_for ($self);	2903	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2904	$map = $check->($map, $x, $y, $self) if $check && $map;
2268	} else {	2905	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2906	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2907	}
2271		2908
2272	$map	2909	$map
2273	};	2910	};
2274		2911
…		…
2279		2916
2280	if ($gen == $self->{_goto_generation}) {	2917	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2918	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2919	$self->leave_link ($map, $x, $y);
2283	}	2920	}
		2921
		2922	$done->($self) if $done;
2284	})->prio (1);	2923	})->prio (1);
2285	}	2924	}
2286		2925
2287	=item $player_object->enter_exit ($exit_object)	2926	=item $player_object->enter_exit ($exit_object)
2288		2927
…		…
2308	}	2947	}
2309		2948
2310	sub prepare_random_map {	2949	sub prepare_random_map {
2311	my ($exit) = @_;	2950	my ($exit) = @_;
2312		2951
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2952	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2953	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2954	# that depends on the exit object
2318		2955
2319	my $rmp = parse_random_map_params $exit->msg;	2956	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2958	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2959	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2960	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2961	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2962	$rmp->{origin_y} = $exit->y;
		2963
		2964	$exit->map->touch;
2326	}	2965	}
2327		2966
2328	$rmp->{random_seed} ||= $exit->random_seed;	2967	$rmp->{random_seed} ||= $exit->random_seed;
2329		2968
2330	my $data = cf::to_json $rmp;	2969	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2970	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2971	my $meta = "$RANDOMDIR/$md5.meta";
2333		2972
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2973	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2974	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2975	undef $fh;
2337	aio_rename "$meta~", $meta;	2976	aio_rename "$meta~", $meta;
2338		2977
		2978	my $slaying = "?random/$md5";
		2979
		2980	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2981	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2982	$exit->msg (undef);
		2983	}
2341	}	2984	}
2342	}	2985	}
2343		2986
2344	sub cf::object::player::enter_exit {	2987	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2988	my ($self, $exit) = @_;
2346		2989
2347	return unless $self->type == cf::PLAYER;	2990	return unless $self->type == cf::PLAYER;
2348		2991
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2992	$self->enter_link;
2361		2993
2362	(async {	2994	(async {
2363	$self->deactivate_recursive; # just to be sure	2995	$Coro::current->{desc} = "enter_exit";
		2996
2364	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
2365	$self->goto ($slaying, $hp, $sp);	3027	$self->goto ($map, $x, $y);
2366		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
2367	1;	3033	1
2368	}) {	3034	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	3035	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "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. "
2371	. "Please report this to the dungeon master!",	3037	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	3038	cf::NDI_UNIQUE | cf::NDI_RED);
2373		3039
2374	warn "ERROR in enter_exit: $@";	3040	error "ERROR in enter_exit: $@";
2375	$self->leave_link;	3041	$self->leave_link;
2376	}	3042	}
2377	})->prio (1);	3043	})->prio (1);
2378	}	3044	}
2379		3045
…		…
2393		3059
2394	utf8::encode $text;	3060	utf8::encode $text;
2395	$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);
2396	}	3062	}
2397		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
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	3089	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		3090
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	3091	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	3092	client if neccessary. C<$type> should be a string identifying the type of
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	3093	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	3094	the message unless the client supports the msg packet.
2404		3095
2405	=cut	3096	=cut
2406		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" => $CHAT_CHANNEL,
		3210	);
		3211
2407	sub cf::client::send_msg {	3212	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	3213	my ($self, $channel, $msg, $color, @extra) = @_;
2409		3214
2410	$msg = $self->pl->expand_cfpod ($msg);	3215	$msg = $self->pl->expand_cfpod ($msg)
		3216	unless $color & cf::NDI_VERBATIM;
		3217
		3218	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3219
		3220	# check predefined channels, for the benefit of C
		3221	if ($CHANNEL{$channel}) {
		3222	$channel = $CHANNEL{$channel};
		3223
		3224	$self->ext_msg (channel_info => $channel);
		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);
		3232	}
		3233
		3234	$channel = $channel->{id};
		3235	}
2411		3236
2412	return unless @extra || length $msg;	3237	return unless @extra || length $msg;
2413		3238
2414	if ($self->can_msg) {	3239	# default colour, mask it out
2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3240	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2416	} else {	3241	if $color & cf::NDI_DEF;
2417	# replace some tags by gcfclient-compatible ones
2418	for ($msg) {
2419	1 while
2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2425	}
2426		3242
2427	if ($color >= 0) {	3243	my $pkt = "msg "
2428	if (0 && $msg =~ /\[/) {	3244	. $self->{json_coder}->encode (
2429	$self->send_packet ("drawextinfo $color 4 0 $msg")	3245	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2430	} else {	3246	);
2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2432	$self->send_packet ("drawinfo $color $msg")
2433	}
2434	}
2435	}
2436	}
2437		3247
		3248	$self->send_big_packet ($pkt);
		3249	}
		3250
2438	=item $client->ext_event ($type, %msg)	3251	=item $client->ext_msg ($type, @msg)
2439		3252
2440	Sends an ext event to the client.	3253	Sends an ext event to the client.
2441		3254
2442	=cut	3255	=cut
2443		3256
2444	sub cf::client::ext_event($$%) {	3257	sub cf::client::ext_msg($$@) {
2445	my ($self, $type, %msg) = @_;	3258	my ($self, $type, @msg) = @_;
2446		3259
2447	$msg{msgtype} = "event_$type";
2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3260	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2449	}	3261	}
2450		3262
2451	=item $success = $client->query ($flags, "text", \&cb)	3263	=item $success = $client->query ($flags, "text", \&cb)
2452		3264
2453	Queues a query to the client, calling the given callback with	3265	Queues a query to the client, calling the given callback with
…		…
2508	my ($ns, $buf) = @_;	3320	my ($ns, $buf) = @_;
2509		3321
2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3322	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2511		3323
2512	if (ref $msg) {	3324	if (ref $msg) {
		3325	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3326
2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3327	if (my $cb = $EXTIACMD{$type}) {
2514	if (my %reply = $cb->($ns, $msg)) {	3328	$cb->(
2515	$reply{msgid} = $msg->{msgid};	3329	$ns,
2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	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);
2517	}	3341	}
		3342
		3343	$ns->ext_msg ("reply-$reply", @reply)
		3344	if $reply;
2518	}	3345	}
2519	} else {	3346	} else {
2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3347	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2521	}	3348	}
2522		3349
2523	cf::override;	3350	cf::override;
2524	},	3351	},
2525	);	3352	);
…		…
2545		3372
2546	$coro	3373	$coro
2547	}	3374	}
2548		3375
2549	cf::client->attach (	3376	cf::client->attach (
2550	on_destroy => sub {	3377	on_client_destroy => sub {
2551	my ($ns) = @_;	3378	my ($ns) = @_;
2552		3379
2553	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3380	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2554	},	3381	},
2555	);	3382	);
…		…
2570	our $safe = new Safe "safe";	3397	our $safe = new Safe "safe";
2571	our $safe_hole = new Safe::Hole;	3398	our $safe_hole = new Safe::Hole;
2572		3399
2573	$SIG{FPE} = 'IGNORE';	3400	$SIG{FPE} = 'IGNORE';
2574		3401
2575	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3402	$safe->permit_only (Opcode::opset qw(
		3403	:base_core :base_mem :base_orig :base_math :base_loop
		3404	grepstart grepwhile mapstart mapwhile
		3405	sort time
		3406	));
2576		3407
2577	# here we export the classes and methods available to script code	3408	# here we export the classes and methods available to script code
2578		3409
2579	=pod	3410	=pod
2580		3411
2581	The following functions and methods are available within a safe environment:	3412	The following functions and methods are available within a safe environment:
2582		3413
2583	cf::object contr pay_amount pay_player map	3414	cf::object
		3415	contr pay_amount pay_player map x y force_find force_add destroy
		3416	insert remove name archname title slaying race decrease split
		3417	value
		3418
2584	cf::object::player player	3419	cf::object::player
2585	cf::player peaceful	3420	player
2586	cf::map trigger	3421
		3422	cf::player
		3423	peaceful
		3424
		3425	cf::map
		3426	trigger
2587		3427
2588	=cut	3428	=cut
2589		3429
2590	for (	3430	for (
2591	["cf::object" => qw(contr pay_amount pay_player map)],	3431	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3432	insert remove inv nrof name archname title slaying race
		3433	decrease split destroy change_exp value msg lore send_msg)],
2592	["cf::object::player" => qw(player)],	3434	["cf::object::player" => qw(player)],
2593	["cf::player" => qw(peaceful)],	3435	["cf::player" => qw(peaceful send_msg)],
2594	["cf::map" => qw(trigger)],	3436	["cf::map" => qw(trigger)],
2595	) {	3437	) {
2596	no strict 'refs';
2597	my ($pkg, @funs) = @$_;	3438	my ($pkg, @funs) = @$_;
2598	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3439	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2599	for @funs;	3440	for @funs;
2600	}	3441	}
2601		3442
…		…
2616		3457
2617	my $qcode = $code;	3458	my $qcode = $code;
2618	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3459	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2619	$qcode =~ s/\n/\\n/g;	3460	$qcode =~ s/\n/\\n/g;
2620		3461
		3462	%vars = (_dummy => 0) unless %vars;
		3463
		3464	my @res;
2621	local $_;	3465	local $_;
2622	local @safe::cf::_safe_eval_args = values %vars;
2623		3466
2624	my $eval =	3467	my $eval =
2625	"do {\n"	3468	"do {\n"
2626	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3469	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2627	. "#line 0 \"{$qcode}\"\n"	3470	. "#line 0 \"{$qcode}\"\n"
2628	. $code	3471	. $code
2629	. "\n}"	3472	. "\n}"
2630	;	3473	;
2631		3474
		3475	if ($CFG{safe_eval}) {
2632	sub_generation_inc;	3476	sub_generation_inc;
		3477	local @safe::cf::_safe_eval_args = values %vars;
2633	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3478	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2634	sub_generation_inc;	3479	sub_generation_inc;
		3480	} else {
		3481	local @cf::_safe_eval_args = values %vars;
		3482	@res = wantarray ? eval eval : scalar eval $eval;
		3483	}
2635		3484
2636	if ($@) {	3485	if ($@) {
2637	warn "$@";	3486	warn "$@",
2638	warn "while executing safe code '$code'\n";	3487	"while executing safe code '$code'\n",
2639	warn "with arguments " . (join " ", %vars) . "\n";	3488	"with arguments " . (join " ", %vars) . "\n";
2640	}	3489	}
2641		3490
2642	wantarray ? @res : $res[0]	3491	wantarray ? @res : $res[0]
2643	}	3492	}
2644		3493
…		…
2658	=cut	3507	=cut
2659		3508
2660	sub register_script_function {	3509	sub register_script_function {
2661	my ($fun, $cb) = @_;	3510	my ($fun, $cb) = @_;
2662		3511
2663	no strict 'refs';	3512	$fun = "safe::$fun" if $CFG{safe_eval};
2664	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3513	*$fun = $safe_hole->wrap ($cb);
2665	}	3514	}
2666		3515
2667	=back	3516	=back
2668		3517
2669	=cut	3518	=cut
2670		3519
2671	#############################################################################	3520	#############################################################################
2672	# the server's init and main functions	3521	# the server's init and main functions
2673		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	$idx
		3545	}
		3546
2674	sub load_facedata($) {	3547	sub load_facedata($) {
2675	my ($path) = @_;	3548	my ($path) = @_;
2676		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
2677	warn "loading facedata from $path\n";	3556	trace "loading facedata from $path\n";
2678		3557
2679	my $facedata;	3558	my $facedata = decode_storable load_file $path;
2680	0 < aio_load $path, $facedata
2681	or die "$path: $!";
2682
2683	$facedata = Coro::Storable::thaw $facedata;
2684		3559
2685	$facedata->{version} == 2	3560	$facedata->{version} == 2
2686	or cf::cleanup "$path: version mismatch, cannot proceed.";	3561	or cf::cleanup "$path: version mismatch, cannot proceed.";
2687		3562
		3563	cf::cede_to_tick;
		3564
2688	{	3565	{
2689	my $faces = $facedata->{faceinfo};	3566	my $faces = delete $facedata->{faceinfo};
2690		3567
2691	while (my ($face, $info) = each %$faces) {	3568	for my $face (sort keys %$faces) {
		3569	my $info = $faces->{$face};
2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3570	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3571
2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3572	cf::face::set_visibility $idx, $info->{visibility};
		3573	cf::face::set_magicmap $idx, $info->{magicmap};
2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3574	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3575	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2696	Coro::cede;	3576	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3577	$FACEHASH{$info->{hash64}} = $idx;#d#
		3578
		3579	cf::cede_to_tick;
2697	}	3580	}
2698		3581
2699	while (my ($face, $info) = each %$faces) {	3582	while (my ($face, $info) = each %$faces) {
2700	next unless $info->{smooth};	3583	next unless $info->{smooth};
		3584
2701	my $idx = cf::face::find $face	3585	my $idx = cf::face::find $face
2702	or next;	3586	or next;
		3587
2703	if (my $smooth = cf::face::find $info->{smooth}) {	3588	if (my $smooth = cf::face::find $info->{smooth}) {
		3589	cf::face::set_smooth $idx, $smooth;
2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3590	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2705	} else {	3591	} else {
2706	warn "smooth face '$info->{smooth}' not found for face '$face'";	3592	error "smooth face '$info->{smooth}' not found for face '$face'";
2707	}	3593	}
2708	Coro::cede;	3594
		3595	cf::cede_to_tick;
2709	}	3596	}
2710	}	3597	}
2711		3598
2712	{	3599	{
2713	my $anims = $facedata->{animinfo};	3600	my $anims = delete $facedata->{animinfo};
2714		3601
2715	while (my ($anim, $info) = each %$anims) {	3602	while (my ($anim, $info) = each %$anims) {
2716	cf::anim::set $anim, $info->{frames}, $info->{facings};	3603	cf::anim::set $anim, $info->{frames}, $info->{facings};
2717	Coro::cede;	3604	cf::cede_to_tick;
2718	}	3605	}
2719		3606
2720	cf::anim::invalidate_all; # d'oh	3607	cf::anim::invalidate_all; # d'oh
2721	}	3608	}
2722		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} = $info; # unused
		3624	}
		3625
		3626	cf::cede_to_tick;
		3627	}
		3628	}
		3629
		3630	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3631
2723	1	3632	1
2724	}	3633	}
2725		3634
		3635	register_exticmd fx_want => sub {
		3636	my ($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 $_, 1 .. cf::settings->max_level]
		3659	);
		3660	}
		3661
		3662	sub reload_materials {
		3663	_reload_materials;
		3664	}
		3665
2726	sub reload_regions {	3666	sub reload_regions {
		3667	# HACK to clear player env face cache, we need some signal framework
		3668	# for this (global event?)
		3669	%ext::player_env::MUSIC_FACE_CACHE = ();
		3670
2727	load_resource_file "$MAPDIR/regions"	3671	load_resource_file "$MAPDIR/regions"
2728	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 $_->{match};
		3677	}
2729	}	3678	}
2730		3679
2731	sub reload_facedata {	3680	sub reload_facedata {
2732	load_facedata "$DATADIR/facedata"	3681	load_facedata "$DATADIR/facedata"
2733	or die "unable to load facedata\n";	3682	or die "unable to load facedata\n";
2734	}	3683	}
2735		3684
2736	sub reload_archetypes {	3685	sub reload_archetypes {
2737	load_resource_file "$DATADIR/archetypes"	3686	load_resource_file "$DATADIR/archetypes"
2738	or die "unable to load archetypes\n";	3687	or die "unable to load archetypes\n";
2739	#d# NEED to laod twice to resolve forward references	3688
2740	# this really needs to be done in an extra post-pass	3689	set_face "res/skill_info" => FT_RSRC,
2741	# (which needs to be synchronous, so solve it differently)	3690	JSON::XS->new->utf8->canonical->encode (
2742	load_resource_file "$DATADIR/archetypes"	3691	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
2743	or die "unable to load archetypes\n";	3692	);
		3693	set_face "res/spell_paths" => FT_RSRC,
		3694	JSON::XS->new->utf8->canonical->encode (
		3695	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3696	);
2744	}	3697	}
2745		3698
2746	sub reload_treasures {	3699	sub reload_treasures {
2747	load_resource_file "$DATADIR/treasures"	3700	load_resource_file "$DATADIR/treasures"
2748	or die "unable to load treasurelists\n";	3701	or die "unable to load treasurelists\n";
2749	}	3702	}
2750		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
2751	sub reload_resources {	3724	sub reload_resources {
2752	warn "reloading resource files...\n";	3725	trace "reloading resource files...\n";
2753		3726
		3727	reload_materials;
		3728	reload_facedata;
		3729	reload_exp_table;
		3730	reload_sound;
		3731	reload_archetypes;
2754	reload_regions;	3732	reload_regions;
2755	reload_facedata;
2756	#reload_archetypes;#d#
2757	reload_archetypes;
2758	reload_treasures;	3733	reload_treasures;
2759		3734
2760	warn "finished reloading resource files\n";	3735	trace "finished reloading resource files\n";
2761	}	3736	}
2762		3737
2763	sub init {	3738	sub reload_config {
2764	reload_resources;	3739	trace "reloading config file...\n";
2765	}
2766		3740
2767	sub cfg_load {	3741	my $config = load_file "$CONFDIR/config";
2768	open my $fh, "<:utf8", "$CONFDIR/config"	3742	utf8::decode $config;
2769	or return;	3743	*CFG = decode_yaml $config;
2770		3744
2771	local $/;
2772	*CFG = YAML::Syck::Load <$fh>;
2773
2774	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3745	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2775		3746
2776	$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};
2777	$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};
2778		3749
2779	if (exists $CFG{mlockall}) {	3750	if (exists $CFG{mlockall}) {
…		…
2783	};	3754	};
2784	warn $@ if $@;	3755	warn $@ if $@;
2785	}	3756	}
2786	}	3757	}
2787		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
2788	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
2789	# we must not ever block the main coroutine	3797	# we must not ever block the main coroutine
2790	local $Coro::idle = sub {	3798	$Coro::idle = sub {
2791	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#
2792	(async {	3800	(async {
2793	Event::one_event;	3801	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3802	EV::loop EV::LOOP_ONESHOT;
2794	})->prio (Coro::PRIO_MAX);	3803	})->prio (Coro::PRIO_MAX);
2795	};	3804	};
2796		3805
2797	cfg_load;	3806	evthread_start IO::AIO::poll_fileno;
		3807
		3808	cf::sync_job {
		3809	cf::incloader::init ();
		3810
2798	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
2799	load_extensions;	3830	load_extensions;
2800		3831
2801	$TICK_WATCHER->start;	3832	utime time, time, $RUNTIMEFILE;
2802	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;
2803	}	3849	}
2804		3850
2805	#############################################################################	3851	#############################################################################
2806	# initialisation and cleanup	3852	# initialisation and cleanup
2807		3853
2808	# install some emergency cleanup handlers	3854	# install some emergency cleanup handlers
2809	BEGIN {	3855	BEGIN {
		3856	our %SIGWATCHER = ();
2810	for my $signal (qw(INT HUP TERM)) {	3857	for my $signal (qw(INT HUP TERM)) {
2811	Event->signal (	3858	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2812	reentrant => 0,
2813	data => WF_AUTOCANCEL,
2814	signal => $signal,
2815	prio => 0,
2816	cb => sub {
2817	cf::cleanup "SIG$signal";	3859	cf::cleanup "SIG$signal";
2818	},
2819	);	3860	};
2820	}	3861	}
2821	}	3862	}
2822		3863
2823	sub write_runtime {	3864	sub write_runtime_sync {
2824	my $runtime = "$LOCALDIR/runtime";	3865	my $t0 = AE::time;
2825		3866
2826	# first touch the runtime file to show we are still running:	3867	# first touch the runtime file to show we are still running:
2827	# the fsync below can take a very very long time.	3868	# the fsync below can take a very very long time.
2828		3869
2829	IO::AIO::aio_utime $runtime, undef, undef;	3870	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2830		3871
2831	my $guard = cf::lock_acquire "write_runtime";	3872	my $guard = cf::lock_acquire "write_runtime";
2832		3873
2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3874	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2834	or return;	3875	or return;
2835		3876
2836	my $value = $cf::RUNTIME + 90 + 10;	3877	my $value = $cf::RUNTIME + 90 + 10;
2837	# 10 is the runtime save interval, for a monotonic clock	3878	# 10 is the runtime save interval, for a monotonic clock
2838	# 60 allows for the watchdog to kill the server.	3879	# 60 allows for the watchdog to kill the server.
…		…
2848	aio_utime $fh, undef, undef;	3889	aio_utime $fh, undef, undef;
2849		3890
2850	close $fh	3891	close $fh
2851	or return;	3892	or return;
2852		3893
2853	aio_rename "$runtime~", $runtime	3894	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2854	and return;	3895	and return;
2855		3896
2856	warn "runtime file written.\n";	3897	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2857		3898
2858	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 };
2859	}	3950	}
2860		3951
2861	sub emergency_save() {	3952	sub emergency_save() {
2862	my $freeze_guard = cf::freeze_mainloop;	3953	my $freeze_guard = cf::freeze_mainloop;
2863		3954
2864	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;
2865		3961
2866	cf::sync_job {	3962	cf::sync_job {
		3963	cf::write_runtime_sync; # external watchdog should not bark
		3964
2867	# use a peculiar iteration method to avoid tripping on perl	3965	# use a peculiar iteration method to avoid tripping on perl
2868	# refcount bugs in for. also avoids problems with players	3966	# refcount bugs in for. also avoids problems with players
2869	# and maps saved/destroyed asynchronously.	3967	# and maps saved/destroyed asynchronously.
2870	warn "begin emergency player save\n";	3968	info "emergency_perl_save: begin player save\n";
2871	for my $login (keys %cf::PLAYER) {	3969	for my $login (keys %cf::PLAYER) {
2872	my $pl = $cf::PLAYER{$login} or next;	3970	my $pl = $cf::PLAYER{$login} or next;
2873	$pl->valid or next;	3971	$pl->valid or next;
		3972	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2874	$pl->save;	3973	$pl->save;
2875	}	3974	}
2876	warn "end emergency player save\n";	3975	info "emergency_perl_save: end player save\n";
2877		3976
2878	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";
2879	for my $path (keys %cf::MAP) {	3980	for my $path (keys %cf::MAP) {
2880	my $map = $cf::MAP{$path} or next;	3981	my $map = $cf::MAP{$path} or next;
2881	$map->valid or next;	3982	$map->valid or next;
2882	$map->save;	3983	$map->save;
2883	}	3984	}
2884	warn "end emergency map save\n";	3985	info "emergency_perl_save: end map save\n";
2885		3986
2886	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";
2887	BDB::db_env_txn_checkpoint $DB_ENV;	3990	BDB::db_env_txn_checkpoint $DB_ENV;
2888	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 $DB_ENV;
		4001
		4002	info "emergency_perl_save: starting sync\n";
		4003	IO::AIO::aio_sync sub {
		4004	info "emergency_perl_save: finished sync\n";
		4005	};
		4006
		4007	cf::write_runtime_sync; # external watchdog should not bark
		4008
		4009	trace "emergency_perl_save: flushing outstanding aio requests";
		4010	while (IO::AIO::nreqs || BDB::nreqs) {
		4011	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4012	}
		4013
		4014	cf::write_runtime_sync; # external watchdog should not bark
2889	};	4015	};
2890		4016
2891	warn "leave emergency perl save\n";	4017	info "emergency_perl_save: leave\n";
2892	}	4018	}
2893		4019
2894	sub post_cleanup {	4020	sub post_cleanup {
2895	my ($make_core) = @_;	4021	my ($make_core) = @_;
2896		4022
		4023	IO::AIO::flush;
		4024
2897	warn Carp::longmess "post_cleanup backtrace"	4025	error Carp::longmess "post_cleanup backtrace"
2898	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	}
2899	}	4055	}
2900		4056
2901	sub do_reload_perl() {	4057	sub do_reload_perl() {
2902	# can/must only be called in main	4058	# can/must only be called in main
2903	if ($Coro::current != $Coro::main) {	4059	unless (in_main) {
2904	warn "can only reload from main coroutine";	4060	error "can only reload from main coroutine";
2905	return;	4061	return;
2906	}	4062	}
2907		4063
2908	warn "reloading...";	4064	return if $RELOAD++;
2909		4065
2910	warn "entering sync_job";	4066	my $t1 = AE::time;
2911		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
2912	cf::sync_job {	4074	cf::sync_job {
2913	cf::write_runtime; # external watchdog should not bark
2914	cf::emergency_save;	4075	#cf::emergency_save;
2915	cf::write_runtime; # external watchdog should not bark
2916		4076
2917	warn "syncing database to disk";
2918	BDB::db_env_txn_checkpoint $DB_ENV;
2919
2920	# if anything goes wrong in here, we should simply crash as we already saved
2921
2922	warn "cancelling all WF_AUTOCANCEL watchers";
2923	for (Event::all_watchers) {
2924	$_->cancel if $_->data & WF_AUTOCANCEL;
2925	}
2926
2927	warn "flushing outstanding aio requests";
2928	for (;;) {
2929	BDB::flush;
2930	IO::AIO::flush;
2931	Coro::cede;
2932	last unless IO::AIO::nreqs || BDB::nreqs;
2933	warn "iterate...";
2934	}
2935
2936	++$RELOAD;
2937
2938	warn "cancelling all extension coros";	4077	trace "perl_reload: cancelling all extension coros";
2939	$_->cancel for values %EXT_CORO;	4078	$_->cancel for values %EXT_CORO;
2940	%EXT_CORO = ();	4079	%EXT_CORO = ();
2941		4080
2942	warn "removing commands";	4081	trace "perl_reload: removing commands";
2943	%COMMAND = ();	4082	%COMMAND = ();
2944		4083
2945	warn "removing ext/exti commands";	4084	trace "perl_reload: removing ext/exti commands";
2946	%EXTCMD = ();	4085	%EXTCMD = ();
2947	%EXTICMD = ();	4086	%EXTICMD = ();
2948		4087
2949	warn "unloading/nuking all extensions";	4088	trace "perl_reload: unloading/nuking all extensions";
2950	for my $pkg (@EXTS) {	4089	for my $pkg (@EXTS) {
2951	warn "... unloading $pkg";	4090	trace "... unloading $pkg";
2952		4091
2953	if (my $cb = $pkg->can ("unload")) {	4092	if (my $cb = $pkg->can ("unload")) {
2954	eval {	4093	eval {
2955	$cb->($pkg);	4094	$cb->($pkg);
2956	1	4095	1
2957	} 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;
2958	}	4101	}
2959		4102
2960	warn "... nuking $pkg";
2961	Symbol::delete_package $pkg;
2962	}
2963
2964	warn "unloading all perl modules loaded from $LIBDIR";	4103	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2965	while (my ($k, $v) = each %INC) {	4104	while (my ($k, $v) = each %INC) {
2966	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4105	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2967		4106
2968	warn "... unloading $k";	4107	trace "... unloading $k";
2969	delete $INC{$k};	4108	delete $INC{$k};
2970		4109
2971	$k =~ s/\.pm$//;	4110	$k =~ s/\.pm$//;
2972	$k =~ s/\//::/g;	4111	$k =~ s/\//::/g;
2973		4112
2974	if (my $cb = $k->can ("unload_module")) {	4113	if (my $cb = $k->can ("unload_module")) {
2975	$cb->();	4114	$cb->();
		4115	}
		4116
		4117	clear_package $k;
2976	}	4118	}
2977		4119
2978	Symbol::delete_package $k;
2979	}
2980
2981	warn "getting rid of safe::, as good as possible";	4120	trace "perl_reload: getting rid of safe::, as good as possible";
2982	Symbol::delete_package "safe::$_"	4121	clear_package "safe::$_"
2983	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);
2984		4123
2985	warn "unloading cf.pm \"a bit\"";	4124	trace "perl_reload: unloading cf.pm \"a bit\"";
2986	delete $INC{"cf.pm"};	4125	delete $INC{"cf.pm"};
2987	delete $INC{"cf/pod.pm"};	4126	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2988		4127
2989	# don't, removes xs symbols, too,	4128	# don't, removes xs symbols, too,
2990	# and global variables created in xs	4129	# and global variables created in xs
2991	#Symbol::delete_package __PACKAGE__;	4130	#clear_package __PACKAGE__;
2992		4131
2993	warn "unload completed, starting to reload now";	4132	info "perl_reload: unload completed, starting to reload now";
2994		4133
2995	warn "reloading cf.pm";	4134	trace "perl_reload: reloading cf.pm";
2996	require cf;	4135	require cf;
2997	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4136	cf::_connect_to_perl_1;
2998		4137
2999	warn "loading config and database again";	4138	trace "perl_reload: loading config and database again";
3000	cf::cfg_load;	4139	cf::reload_config;
3001		4140
3002	warn "loading extensions";	4141	trace "perl_reload: loading extensions";
3003	cf::load_extensions;	4142	cf::load_extensions;
3004		4143
		4144	if ($REATTACH_ON_RELOAD) {
3005	warn "reattaching attachments to objects/players";	4145	trace "perl_reload: reattaching attachments to objects/players";
3006	_global_reattach; # objects, sockets	4146	_global_reattach; # objects, sockets
3007	warn "reattaching attachments to maps";	4147	trace "perl_reload: reattaching attachments to maps";
3008	reattach $_ for values %MAP;	4148	reattach $_ for values %MAP;
3009	warn "reattaching attachments to players";	4149	trace "perl_reload: reattaching attachments to players";
3010	reattach $_ for values %PLAYER;	4150	reattach $_ for values %PLAYER;
		4151	}
3011		4152
3012	warn "leaving sync_job";	4153	cf::_post_init 1;
3013		4154
		4155	trace "perl_reload: leaving sync_job";
		4156
3014	1	4157	1
3015	} or do {	4158	} or do {
3016	warn $@;	4159	error $@;
3017	warn "error while reloading, exiting.";	4160	cf::cleanup "perl_reload: error, exiting.";
3018	exit 1;	4161	};
		4162
		4163	--$RELOAD;
3019	};	4164	}
3020		4165
3021	warn "reloaded";	4166	$t1 = AE::time - $t1;
		4167	info "perl_reload: completed in ${t1}s\n";
3022	};	4168	};
3023		4169
3024	our $RELOAD_WATCHER; # used only during reload	4170	our $RELOAD_WATCHER; # used only during reload
3025		4171
3026	sub reload_perl() {	4172	sub reload_perl() {
3027	# doing reload synchronously and two reloads happen back-to-back,	4173	# doing reload synchronously and two reloads happen back-to-back,
3028	# coro crashes during coro_state_free->destroy here.	4174	# coro crashes during coro_state_free->destroy here.
3029		4175
3030	$RELOAD_WATCHER ||= Event->timer (	4176	$RELOAD_WATCHER ||= cf::async {
3031	reentrant => 0,	4177	Coro::AIO::aio_wait cache_extensions;
3032	after => 0,	4178
3033	data => WF_AUTOCANCEL,	4179	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3034	cb => sub {
3035	do_reload_perl;	4180	do_reload_perl;
3036	undef $RELOAD_WATCHER;	4181	undef $RELOAD_WATCHER;
3037	},	4182	};
3038	);	4183	};
3039	}	4184	}
3040		4185
3041	register_command "reload" => sub {	4186	register_command "reload" => sub {
3042	my ($who, $arg) = @_;	4187	my ($who, $arg) = @_;
3043		4188
3044	if ($who->flag (FLAG_WIZ)) {	4189	if ($who->flag (FLAG_WIZ)) {
3045	$who->message ("reloading server.");	4190	$who->message ("reloading server.");
		4191	async {
		4192	$Coro::current->{desc} = "perl_reload";
3046	async { reload_perl };	4193	reload_perl;
		4194	};
3047	}	4195	}
3048	};	4196	};
3049		4197
3050	unshift @INC, $LIBDIR;	4198	#############################################################################
3051		4199
3052	my $bug_warning = 0;	4200	my $bug_warning = 0;
3053		4201
3054	our @WAIT_FOR_TICK;
3055	our @WAIT_FOR_TICK_BEGIN;
3056
3057	sub wait_for_tick {	4202	sub wait_for_tick() {
3058	return unless $TICK_WATCHER->is_active;	4203	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3059	return if $Coro::current == $Coro::main;
3060		4204
3061	my $signal = new Coro::Signal;	4205	$WAIT_FOR_TICK->wait;
3062	push @WAIT_FOR_TICK, $signal;
3063	$signal->wait;
3064	}	4206	}
3065		4207
3066	sub wait_for_tick_begin {	4208	sub wait_for_tick_begin() {
3067	return unless $TICK_WATCHER->is_active;	4209	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3068	return if $Coro::current == $Coro::main;
3069		4210
3070	my $signal = new Coro::Signal;	4211	my $signal = new Coro::Signal;
3071	push @WAIT_FOR_TICK_BEGIN, $signal;	4212	push @WAIT_FOR_TICK_BEGIN, $signal;
3072	$signal->wait;	4213	$signal->wait;
3073	}	4214	}
3074		4215
3075	my $min = 1e6;#d#	4216	sub tick {
3076	my $avg = 10;
3077	$TICK_WATCHER = Event->timer (
3078	reentrant => 0,
3079	parked => 1,
3080	prio => 0,
3081	at => $NEXT_TICK || $TICK,
3082	data => WF_AUTOCANCEL,
3083	cb => sub {
3084	if ($Coro::current != $Coro::main) {	4217	if ($Coro::current != $Coro::main) {
3085	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"
3086	unless ++$bug_warning > 10;	4219	unless ++$bug_warning > 10;
3087	return;	4220	return;
3088	}	4221	}
3089		4222
3090	$NOW = $tick_start = Event::time;	4223	cf::one_tick; # one server iteration
3091		4224
3092	cf::server_tick; # one server iteration	4225	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3093		4226
3094	0 && sync_job {#d#	4227	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3095	for(1..10) {	4228	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3096	my $t = Event::time;	4229	Coro::async_pool {
3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4230	$Coro::current->{desc} = "runtime saver";
3098	or die;	4231	write_runtime_sync
3099		4232	or error "ERROR: unable to write runtime file: $!";
3100	$map->width (50);
3101	$map->height (50);
3102	$map->alloc;
3103	$map->_load_objects ("/tmp/x.map", 1);
3104	my $t = Event::time - $t;
3105
3106	#next unless $t < 0.0013;#d#
3107	if ($t < $min) {
3108	$min = $t;
3109	}
3110	$avg = $avg * 0.99 + $t * 0.01;
3111	}
3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3113	exit 0;
3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3115	};	4233	};
		4234	}
3116		4235
3117	$RUNTIME += $TICK;
3118	$NEXT_TICK += $TICK;
3119
3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
3122	Coro::async_pool {
3123	write_runtime
3124	or warn "ERROR: unable to write runtime file: $!";
3125	};
3126	}
3127
3128	# my $AFTER = Event::time;
3129	# warn $AFTER - $NOW;#d#
3130
3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3132	$sig->send;	4237	$sig->send;
3133	}	4238	}
3134	while (my $sig = shift @WAIT_FOR_TICK) {	4239	$WAIT_FOR_TICK->broadcast;
3135	$sig->send;
3136	}
3137		4240
3138	$NOW = Event::time;	4241	$LOAD = ($NOW - $TICK_START) / $TICK;
3139
3140	# if we are delayed by four ticks or more, skip them all
3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3142
3143	$TICK_WATCHER->at ($NEXT_TICK);
3144	$TICK_WATCHER->start;
3145
3146	$LOAD = ($NOW - $tick_start) / $TICK;
3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4242	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3148		4243
3149	_post_tick;	4244	if (0) {
3150		4245	if ($NEXT_TICK) {
3151		4246	my $jitter = $TICK_START - $NEXT_TICK;
		4247	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4248	debug "jitter $JITTER\n";#d#
		4249	}
3152	},	4250	}
3153	);	4251	}
3154		4252
3155	{	4253	{
3156	BDB::max_poll_time $TICK * 0.1;	4254	# configure BDB
3157	$BDB_POLL_WATCHER = Event->io (	4255	info "initialising database";
3158	reentrant => 0,	4256
3159	fd => BDB::poll_fileno,
3160	poll => 'r',
3161	prio => 0,
3162	data => WF_AUTOCANCEL,
3163	cb => \&BDB::poll_cb,
3164	);
3165	BDB::min_parallel 8;	4257	BDB::min_parallel 16;
3166		4258	BDB::max_poll_reqs $TICK * 0.1;
3167	BDB::set_sync_prepare {	4259	#$AnyEvent::BDB::WATCHER->priority (1);
3168	my $status;
3169	my $current = $Coro::current;
3170	(
3171	sub {
3172	$status = $!;
3173	$current->ready; undef $current;
3174	},
3175	sub {
3176	Coro::schedule while defined $current;
3177	$! = $status;
3178	},
3179	)
3180	};
3181		4260
3182	unless ($DB_ENV) {	4261	unless ($DB_ENV) {
3183	$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);
3184		4268
3185	cf::sync_job {	4269	cf::sync_job {
3186	eval {	4270	eval {
3187	BDB::db_env_open	4271	BDB::db_env_open
3188	$DB_ENV,	4272	$DB_ENV,
…		…
3190	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
3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4275	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3192	0666;	4276	0666;
3193		4277
3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4278	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3195
3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3197	$DB_ENV->set_lk_detect;
3198	};	4279	};
3199		4280
3200	cf::cleanup "db_env_open(db): $@" if $@;	4281	cf::cleanup "db_env_open(db): $@" if $@;
3201	};	4282	};
3202	}	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";
3203	}	4296	}
3204		4297
3205	{	4298	{
		4299	# configure IO::AIO
		4300
		4301	info "initialising aio";
3206	IO::AIO::min_parallel 8;	4302	IO::AIO::min_parallel 8;
3207
3208	undef $Coro::AIO::WATCHER;
3209	IO::AIO::max_poll_time $TICK * 0.1;	4303	IO::AIO::max_poll_time $TICK * 0.1;
3210	$AIO_POLL_WATCHER = Event->io (	4304	undef $AnyEvent::AIO::WATCHER;
3211	reentrant => 0,	4305	info "aio initialised";
3212	data => WF_AUTOCANCEL,
3213	fd => IO::AIO::poll_fileno,
3214	poll => 'r',
3215	prio => 6,
3216	cb => \&IO::AIO::poll_cb,
3217	);
3218	}	4306	}
3219		4307
3220	my $_log_backtrace;	4308	our $_log_backtrace;
		4309	our $_log_backtrace_last;
3221		4310
3222	sub _log_backtrace {	4311	sub _log_backtrace {
3223	my ($msg, @addr) = @_;	4312	my ($msg, @addr) = @_;
3224		4313
3225	$msg =~ s/\n//;	4314	$msg =~ s/\n$//;
3226		4315
		4316	if ($_log_backtrace_last eq $msg) {
		4317	LOG llevInfo, "[ABT] $msg\n";
		4318	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3227	# limit the # of concurrent backtraces	4319	# limit the # of concurrent backtraces
3228	if ($_log_backtrace < 2) {	4320	} elsif ($_log_backtrace < 2) {
		4321	$_log_backtrace_last = $msg;
3229	++$_log_backtrace;	4322	++$_log_backtrace;
		4323	my $perl_bt = Carp::longmess $msg;
3230	async {	4324	async {
		4325	$Coro::current->{desc} = "abt $msg";
		4326
3231	my @bt = fork_call {	4327	my @bt = fork_call {
3232	@addr = map { sprintf "%x", $_ } @addr;	4328	@addr = map { sprintf "%x", $_ } @addr;
3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4329	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3234	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 |"
3235	or die "addr2line: $!";	4331	or die "addr2line: $!";
…		…
3243	}	4339	}
3244		4340
3245	@funcs	4341	@funcs
3246	};	4342	};
3247		4343
3248	LOG llevInfo, "[ABT] $msg\n";	4344	LOG llevInfo, "[ABT] $perl_bt\n";
		4345	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3249	LOG llevInfo, "[ABT] $_\n" for @bt;	4346	LOG llevInfo, "[ABT] $_\n" for @bt;
3250	--$_log_backtrace;	4347	--$_log_backtrace;
3251	};	4348	};
3252	} else {	4349	} else {
3253	LOG llevInfo, "[ABT] $msg\n";	4350	LOG llevInfo, "[ABT] $msg\n";
3254	LOG llevInfo, "[ABT] [suppressed]\n";	4351	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3255	}	4352	}
3256	}	4353	}
3257		4354
3258	# load additional modules	4355	# load additional modules
3259	use cf::pod;	4356	require "cf/$_.pm" for @EXTRA_MODULES;
		4357	cf::_connect_to_perl_2;
3260		4358
3261	END { cf::emergency_save }	4359	END { cf::emergency_save }
3262		4360
3263	1	4361	1
3264		4362

Diff Legend

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