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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.446 by root, Tue Sep 16 16:03:02 2008 UTC vs.
Revision 1.601 by root, Sun Nov 11 05:53:12 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict "vars", "subs";
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
36		40
37	use Coro ();	41	use Coro ();
38	use Coro::State;	42	use Coro::State;
39	use Coro::Handle;	43	use Coro::Handle;
40	use Coro::EV;	44	use Coro::EV;
41	use Coro::AnyEvent;	45	use Coro::AnyEvent;
42	use Coro::Timer;	46	use Coro::Timer;
43	use Coro::Signal;	47	use Coro::Signal;
44	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	50	use Coro::AnyEvent;
46	use Coro::AIO;	51	use Coro::AIO;
47	use Coro::BDB 1.6;	52	use Coro::BDB 1.6;
48	use Coro::Storable;	53	use Coro::Storable;
49	use Coro::Util ();	54	use Coro::Util ();
50		55
		56	use Guard ();
51	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
52	use BDB ();	58	use BDB ();
53	use Data::Dumper;	59	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	60	use Fcntl;
56	use YAML ();	61	use YAML::XS ();
57	use IO::AIO ();	62	use IO::AIO ();
58	use Time::HiRes;
59	use Compress::LZF;	63	use Compress::LZF;
60	use Digest::MD5 ();	64	use Digest::MD5 ();
61		65
62	AnyEvent::detect;	66	AnyEvent::detect;
63		67
64	# configure various modules to our taste	68	# configure various modules to our taste
65	#	69	#
66	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
67	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";
68	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
69		78
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		81
72	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;
73		85
74	our %COMMAND = ();	86	our %COMMAND = ();
75	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
76		88
77	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
78	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
79	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
82		96
83	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
85		101
86	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
87	our $DATADIR = datadir;	104	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
91	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
97	our $PIDFILE = "$LOCALDIR/pid";	115	our $PIDFILE = "$LOCALDIR/pid";
98	our $RUNTIMEFILE = "$LOCALDIR/runtime";	116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
99		117
100	our %RESOURCE;	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;
101		125
102	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
103	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
104	our $NEXT_TICK;	128	our $NEXT_TICK;
105	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
106		130
107	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
108	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
109	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
110	our $DB_ENV;	134	our $DB_ENV;
111		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
112	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
113		140
114	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
115	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
116	our $NOW;	144	our $NOW;
117		145
118	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
119	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
120	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
124		152
125	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)
126	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
127	our $JITTER; # average jitter	155	our $JITTER; # average jitter
128	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;
129		165
130	binmode STDOUT;	166	binmode STDOUT;
131	binmode STDERR;	167	binmode STDERR;
132		168
133	# read virtual server time, if available	169	# read virtual server time, if available
…		…
135	open my $fh, "<", $RUNTIMEFILE	171	open my $fh, "<", $RUNTIMEFILE
136	or die "unable to read $RUNTIMEFILE file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
137	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
138	}	174	}
139		175
		176	eval "sub TICK() { $TICK } 1" or die;
		177
140	mkdir $_	178	mkdir $_
141	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
142		180
143	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
144		182
145	sub cf::map::normalise;	183	sub cf::map::normalise;
146		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
147	#############################################################################	189	#############################################################################
148		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
149	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
150		203
151	=over 4	204	=over 4
152		205
153	=item $cf::UPTIME	206	=item $cf::UPTIME
154		207
155	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.
156		224
157	=item $cf::RUNTIME	225	=item $cf::RUNTIME
158		226
159	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
160	every server tick.	228	every server tick.
161		229
162	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
163	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
164	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
165		233
166	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
167	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
168	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
169	database environment.	237	database environment.
170		238
171	=item $cf::NOW
172
173	The time of the last (current) server tick.
174
175	=item $cf::TICK
176
177	The interval between server ticks, in seconds.
178
179	=item $cf::LOADAVG	239	=item $cf::LOADAVG
180		240
181	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
182	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
183	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
191	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
192	from wherever your confdir points to.	252	from wherever your confdir points to.
193		253
194	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
195		255
196	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick.
197	returns directly I<after> the tick processing (and consequently, can only wake one process	257	cf::wait_for_tick_begin only returns directly I<after> the tick
		258	processing (and consequently, can only wake one thread per tick), while
198	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	cf::wait_for_tick wakes up all waiters after tick processing.
		260
		261	Note that cf::wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
199		277
200	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
201		279
202	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
203	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
204	that call.	282	that call.
205		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
206	=back	290	=back
207		291
208	=cut	292	=cut
209		293
210	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
211	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
212	my $msg = join "", @_;	301	my $msg = join "", @_;
213		302
214	$msg .= "\n"	303	$msg .= "\n"
215	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
216		305
217	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
218		307
219	LOG llevError, $msg;	308	LOG llevWarn, $msg;
220	};	309	};
221	}
222		310
223	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
224	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
225		313
226	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
227	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
228	return;#d#	318	return;#d#
229	}#d#	319	}#d#
230		320
231	# kill coroutine otherwise	321	# kill coroutine otherwise
232	warn Carp::longmess $_[0];
233	Coro::terminate	322	Coro::terminate
234	};	323	};
235
236	$SIG{__DIE__} = sub { }; #d#?
237		324
238	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
239	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
240	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
241	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
255	)) {	342	)) {
256	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
257	}	344	}
258		345
259	$EV::DIED = sub {	346	$EV::DIED = sub {
260	warn "error in event callback: @_";	347	warn "error in event callback: $@";
261	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
262		354
263	#############################################################################	355	#############################################################################
264		356
265	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
266		358
…		…
287	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
288	$d	380	$d
289	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
290	}	382	}
291		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
292	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
293		437
294	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
295		439
296	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
302	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
303		447
304	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
305	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
306		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
307	=item cf::lock_wait $string	513	=item cf::lock_wait $string
308		514
309	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
310		516
311	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
312		518
313	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
314	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
315	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
316	returned.	522	returned.
317		523
318	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
319	deadlocked coro.	525	deadlocked coro.
…		…
325		531
326	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
327		533
328	=cut	534	=cut
329		535
330	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
331	our %LOCKER;#d#
332		537
333	sub lock_wait($) {	538	sub lock_wait($) {
334	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
335
336	if ($LOCKER{$key} == $Coro::current) {#d#
337	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
338	return;#d#
339	}#d#
340
341	# wait for lock, if any
342	while ($LOCK{$key}) {
343	push @{ $LOCK{$key} }, $Coro::current;
344	Coro::schedule;
345	}
346	}	540	}
347		541
348	sub lock_acquire($) {	542	sub lock_acquire($) {
349	my ($key) = @_;	543	$LOCKS->guard ($_[0])
350
351	# wait, to be sure we are not locked
352	lock_wait $key;
353
354	$LOCK{$key} = [];
355	$LOCKER{$key} = $Coro::current;#d#
356
357	Coro::guard {
358	delete $LOCKER{$key};#d#
359	# wake up all waiters, to be on the safe side
360	$_->ready for @{ delete $LOCK{$key} };
361	}
362	}	544	}
363		545
364	sub lock_active($) {	546	sub lock_active($) {
365	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
366
367	! ! $LOCK{$key}
368	}	548	}
369		549
370	sub freeze_mainloop {	550	sub freeze_mainloop {
371	tick_inhibit_inc;	551	tick_inhibit_inc;
372		552
373	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
374	}	554	}
375		555
376	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
377		557
378	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
379	get spread over timer.	559	get spread over time.
380		560
381	=cut	561	=cut
382		562
383	sub periodic($$) {	563	sub periodic($$) {
384	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
388	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
389	}	569	}
390		570
391	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
392		572
393	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
394	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
395	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
396		580
397	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
398	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
399		583
400	Useful for short background jobs.	584	Useful for short background jobs.
401		585
402	=cut	586	=cut
403		587
404	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
405	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
406		591
407	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
408	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
409	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
410		595
411	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
412		598
413	while () {	599	while () {
414	next_job:	600	next_job:
		601
415	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
416	if ($avail > 0.01) {	603
417	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
418	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
419	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
420	$job->[2]->send;	608	$job->[2]->send;
421	Coro::cede;	609	Coro::cede;
422	goto next_job;	610	goto next_job;
423	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
424	}	613	}
425	}	614	}
426		615
427	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
428	# we do not use wait_for_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
429	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
430	$signal->wait;
431	} else {	619	} else {
		620	$busy = 0;
432	Coro::schedule;	621	Coro::schedule;
433	}	622	}
434	}	623	}
435	};	624	};
436		625
437	sub get_slot($;$$) {	626	sub get_slot($;$$) {
438	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
439		628
440	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
441		630
442	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
443	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
444		634
445	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
446	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
447	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
473	=cut	663	=cut
474		664
475	sub sync_job(&) {	665	sub sync_job(&) {
476	my ($job) = @_;	666	my ($job) = @_;
477		667
478	if ($Coro::current == $Coro::main) {	668	if (in_main) {
479	my $time = EV::time;	669	my $time = AE::time;
480		670
481	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
482	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
483		673
484	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
485		675
486	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
487		677
488	my $busy = 1;	678	my $busy = 1;
489	my @res;	679	my @res;
490		680
491	(async {	681	(async {
492	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
493	@res = eval { $job->() };	683	@res = eval { $job->() };
494	warn $@ if $@;	684	error $@ if $@;
495	undef $busy;	685	undef $busy;
496	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
497		687
498	while ($busy) {	688	while ($busy) {
499	if (Coro::nready) {	689	if (Coro::nready) {
…		…
501	} else {	691	} else {
502	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
503	}	693	}
504	}	694	}
505		695
506	my $time = EV::time - $time;	696	my $time = AE::time - $time;
507		697
508	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
509		699
510	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
511	} else {	701	} else {
…		…
533	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
534		724
535	$coro	725	$coro
536	}	726	}
537		727
538	=item fork_call { }, $args	728	=item fork_call { }, @args
539		729
540	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
541	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
542	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
543	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
544		734
545	=cut	735	=cut
546		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
547	sub fork_call(&@) {	741	sub fork_call(&@) {
548	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
549		743
550	# we seemingly have to make a local copy of the whole thing,	744	# we seemingly have to make a local copy of the whole thing,
551	# otherwise perl prematurely frees the stuff :/	745	# otherwise perl prematurely frees the stuff :/
552	# TODO: investigate and fix (likely this will be rather laborious)	746	# TODO: investigate and fix (likely this will be rather laborious)
553		747
554	my @res = Coro::Util::fork_eval {	748	my @res = Coro::Util::fork_eval {
555	reset_signals;	749	cf::post_fork;
556	&$cb	750	&$cb
557	}, @args;	751	} @args;
558		752
559	wantarray ? @res : $res[-1]	753	wantarray ? @res : $res[-1]
		754	}
		755
		756	sub objinfo {
		757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
560	}	765	}
561		766
562	=item $coin = coin_from_name $name	767	=item $coin = coin_from_name $name
563		768
564	=cut	769	=cut
…		…
601	within each server.	806	within each server.
602		807
603	=cut	808	=cut
604		809
605	sub db_table($) {	810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
606	my ($name) = @_;	814	my ($name) = @_;
607	my $db = BDB::db_create $DB_ENV;	815	my $db = BDB::db_create $DB_ENV;
608		816
609	eval {	817	eval {
610	$db->set_flags (BDB::CHKSUM);	818	$db->set_flags (BDB::CHKSUM);
…		…
620	}	828	}
621		829
622	our $DB;	830	our $DB;
623		831
624	sub db_init {	832	sub db_init {
625	cf::sync_job {
626	$DB ||= db_table "db";	833	$DB ||= db_table "db";
627	};
628	}	834	}
629		835
630	sub db_get($$) {	836	sub db_get($$) {
631	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
632		838
633	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
634	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
635		843
636	$! ? ()	844	$! ? ()
637	: $data	845	: $data
638	}
639	}	846	}
640		847
641	sub db_put($$$) {	848	sub db_put($$$) {
642	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
643	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
671		878
672	my @data;	879	my @data;
673	my $md5;	880	my $md5;
674		881
675	for (0 .. $#$src) {	882	for (0 .. $#$src) {
676	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
677	or Carp::croak "$src->[$_]: $!";
678	}	884	}
679		885
680	# if processing is expensive, check	886	# if processing is expensive, check
681	# checksum first	887	# checksum first
682	if (1) {	888	if (1) {
…		…
695		901
696	return db_get cache => "$id/data";	902	return db_get cache => "$id/data";
697	}	903	}
698	}	904	}
699		905
700	my $t1 = Time::HiRes::time;	906	my $t1 = EV::time;
701	my $data = $process->(\@data);	907	my $data = $process->(\@data);
702	my $t2 = Time::HiRes::time;	908	my $t2 = EV::time;
703		909
704	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
705		911
706	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
707	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
708	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
709		915
…		…
719		925
720	=cut	926	=cut
721		927
722	sub datalog($@) {	928	sub datalog($@) {
723	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
724	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
725	}	931	}
726		932
727	=back	933	=back
728		934
729	=cut	935	=cut
730		936
731	#############################################################################	937	#############################################################################
732		938
733	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
734		940
735	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
736	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
737	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
738		944
739	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
740	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
790	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
791		997
792	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
793	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
794		1000
795	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
796	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
797		1003
798	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
799		1005
800	=over 4	1006	=over 4
…		…
924		1130
925	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
926	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
927		1133
928	} elsif (ref $type) {	1134	} elsif (ref $type) {
929	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
930		1136
931	} else {	1137	} else {
932	shift @arg;	1138	shift @arg;
933	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
934	}	1140	}
935	}	1141	}
936	}	1142	}
937		1143
938	sub _object_attach {	1144	sub _object_attach {
…		…
948	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
949	}	1155	}
950		1156
951	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
952	} else {	1158	} else {
953	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
954	}	1160	}
955		1161
956	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
957	}	1163	}
958		1164
…		…
1017		1223
1018	for (@$callbacks) {	1224	for (@$callbacks) {
1019	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
1020		1226
1021	if ($@) {	1227	if ($@) {
1022	warn "$@";
1023	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1024	override;	1229	override;
1025	}	1230	}
1026		1231
1027	return 1 if $override;	1232	return 1 if $override;
1028	}	1233	}
…		…
1107	for (@$attach) {	1312	for (@$attach) {
1108	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
1109	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
1110	}	1315	}
1111	} else {	1316	} else {
1112	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
1113	}	1318	}
1114	}	1319	}
1115	}	1320	}
1116		1321
1117	cf::attachable->attach (	1322	cf::attachable->attach (
…		…
1144	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
1145		1350
1146	sync_job {	1351	sync_job {
1147	if (length $$rdata) {	1352	if (length $$rdata) {
1148	utf8::decode (my $decname = $filename);	1353	utf8::decode (my $decname = $filename);
1149	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
1150	$decname, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
1151		1357
1152	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1153	aio_chmod $fh, SAVE_MODE;	1359	aio_chmod $fh, SAVE_MODE;
1154	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1155	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	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;
		1363	aio_fsync $fh;
		1364	}
1156	aio_close $fh;	1365	aio_close $fh;
1157		1366
1158	if (@$objs) {	1367	if (@$objs) {
1159	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1160	aio_chmod $fh, SAVE_MODE;	1369	aio_chmod $fh, SAVE_MODE;
1161	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1162	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
1163	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	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;
		1374	aio_fsync $fh;
		1375	}
1164	aio_close $fh;	1376	aio_close $fh;
1165	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
1166	}	1378	}
1167	} else {	1379	} else {
1168	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
1169	}	1381	}
1170		1382
1171	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
1172	} else {	1387	} else {
1173	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
1174	}	1389	}
1175	} else {	1390	} else {
1176	aio_unlink $filename;	1391	aio_unlink $filename;
1177	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1178	}	1393	}
…		…
1202	my $st = eval { Coro::Storable::thaw $av };	1417	my $st = eval { Coro::Storable::thaw $av };
1203	$av = $st->{objs};	1418	$av = $st->{objs};
1204	}	1419	}
1205		1420
1206	utf8::decode (my $decname = $filename);	1421	utf8::decode (my $decname = $filename);
1207	warn sprintf "loading %s (%d,%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1208	$decname, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
1209		1425
1210	($data, $av)	1426	($data, $av)
1211	}	1427	}
1212		1428
1213	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
…		…
1217	=cut	1433	=cut
1218		1434
1219	#############################################################################	1435	#############################################################################
1220	# command handling &c	1436	# command handling &c
1221		1437
1222	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1223		1439
1224	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
1225	$name.	1441	$name.
1226		1442
1227	=cut	1443	=cut
…		…
1233	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1234		1450
1235	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1236	}	1452	}
1237		1453
1238	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1239		1455
1240	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1241	extcmd packet. Ext commands will be processed in the order they are	1457	extcmd packet. Ext commands will be processed in the order they are
1242	received by the server, like other user commands. The first argument is	1458	received by the server, like other user commands. The first argument is
1243	the logged-in player. Ext commands can only be processed after a player	1459	the logged-in player. Ext commands can only be processed after a player
1244	has logged in successfully.	1460	has logged in successfully.
1245		1461
1246	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1247	called.
1248		1463
		1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
1249	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1250		1470
1251	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1252	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1253	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1254	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1255	log-in.	1475	log-in.
1256		1476
1257	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1258	called.
1259		1478
1260	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1261		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1262	sub register_extcmd {	1486	sub register_extcmd($$) {
1263	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1264		1488
1265	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1266	}	1490	}
1267		1491
1268	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1269	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1270		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1271	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1272	}	1502	}
1273		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1274	cf::player->attach (	1512	cf::player->attach (
1275	on_command => sub {	1513	on_unknown_command => sub {
1276	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1277		1515
1278	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1279	or return;	1517	or return;
1280		1518
…		…
1288	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1289		1527
1290	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1291		1529
1292	if (ref $msg) {	1530	if (ref $msg) {
1293	my ($type, $reply, @payload) =	1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1294	"ARRAY" eq ref $msg
1295	? @$msg
1296	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1297		1532
1298	my @reply;
1299
1300	if (my $cb = $EXTCMD{$type}) {	1533	if (my $cb = $EXTACMD{$type}) {
		1534	$cb->(
		1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
1301	@reply = $cb->($pl, @payload);	1546	@reply = $cb->($pl, @payload);
		1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1302	}	1551	}
1303		1552
1304	$pl->ext_reply ($reply, @reply)
1305	if $reply;
1306
1307	} else {	1553	} else {
1308	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1309	}	1555	}
1310		1556
1311	cf::override;	1557	cf::override;
1312	},	1558	},
1313	);	1559	);
1314		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
1315	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1316	cf::sync_job {	1590	cf::sync_job {
1317	my %todo;	1591	my %todo;
1318		1592
1319	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1320	next unless -r $path;	1594	next unless -r $path;
…		…
1338		1612
1339	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1340	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1341		1615
1342	$ext{source} =	1616	$ext{source} =
1343	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1344	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1345	. $source	1619	. $source
1346	. "\n};\n1";	1620	. "\n};\n1";
1347		1621
1348	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1349	}	1623	}
1350		1624
		1625	my $pass = 0;
1351	my %done;	1626	my %done;
1352	while (%todo) {	1627	while (%todo) {
1353	my $progress;	1628	my $progress;
1354		1629
		1630	++$pass;
		1631
		1632	ext:
1355	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1356	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1357	goto skip	1635	next ext
1358	unless exists $done{$_};	1636	unless exists $done{$_};
1359	}	1637	}
1360		1638
1361	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1362		1640
1363	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
1364	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1365	: "$v->{base}: extension inactive.\n";
1366		1654
1367	if (exists $v->{meta}{mandatory}) {
1368	warn $msg;
1369	cf::cleanup "mandatory extension failed to load, exiting.";	1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1370	}	1656	if exists $v->{meta}{mandatory};
1371		1657
1372	warn $msg;	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1659	delete $todo{$k};
		1660	} else {
		1661	$done{$k} = delete $todo{$k};
		1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1373	}	1667	}
1374
1375	$done{$k} = delete $todo{$k};
1376	push @EXTS, $v->{pkg};
1377	$progress = 1;
1378	}	1668	}
1379		1669
1380	skip:	1670	unless ($progress) {
1381	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1382	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1383	}	1680	}
1384	};	1681	};
1385	}	1682	}
1386		1683
1387	#############################################################################	1684	#############################################################################
1388		1685
1389	=back	1686	=back
1390		1687
1391	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1392		1689
1393	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1394		1691
1395	=cut	1692	=cut
1396		1693
1397	package cf::player;	1694	package cf::player;
1398		1695
…		…
1441		1738
1442	sub exists($) {	1739	sub exists($) {
1443	my ($login) = @_;	1740	my ($login) = @_;
1444		1741
1445	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1446	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1447	}	1744	}
1448		1745
1449	sub find($) {	1746	sub find($) {
1450	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1451	my $login = $_[0];	1748	my $login = $_[0];
…		…
1471	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1472	}	1769	}
1473	}	1770	}
1474	}	1771	}
1475		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
		1785
1476	sub save($) {	1786	sub save($) {
1477	my ($pl) = @_;	1787	my ($pl) = @_;
1478		1788
1479	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
1480		1790
…		…
1485		1795
1486	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1487	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1488		1798
1489	cf::get_slot 0.01;	1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1490		1803
1491	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1492	cf::cede_to_tick;	1805	cf::cede_to_tick;
1493	}	1806	}
1494		1807
…		…
1528	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1529		1842
1530	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1531	$pl->password ("*"); # this should lock out the player until we have nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1532		1845
1533	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1534	$pl->deactivate;	1847	$pl->deactivate;
		1848
1535	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1536	$pl->ob->check_score;
1537	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1538	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1539		1854
1540	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1541	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1542	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1596	\@logins	1911	\@logins
1597	}	1912	}
1598		1913
1599	=item $player->maps	1914	=item $player->maps
1600		1915
		1916	=item cf::player::maps $login
		1917
1601	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1602	player. May block.	1919	player. May block.
1603		1920
1604	=cut	1921	=cut
1605		1922
…		…
1622	}	1939	}
1623		1940
1624	\@paths	1941	\@paths
1625	}	1942	}
1626		1943
1627	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1628		1945
1629	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1630
1631	=item $player->ext_reply ($msgid, @msg)
1632
1633	Sends an ext reply to the player.
1634
1635	=cut
1636
1637	sub ext_reply($$@) {
1638	my ($self, $id, @msg) = @_;
1639
1640	$self->ns->ext_reply ($id, @msg)
1641	}
1642		1947
1643	=item $player->ext_msg ($type, @msg)	1948	=item $player->ext_msg ($type, @msg)
1644		1949
1645	Sends an ext event to the client.	1950	Sends an ext event to the client.
1646		1951
…		…
1666		1971
1667	=cut	1972	=cut
1668		1973
1669	sub find_by_path($) {	1974	sub find_by_path($) {
1670	my ($path) = @_;	1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
1671		1978
1672	my ($match, $specificity);	1979	my ($match, $specificity);
1673		1980
1674	for my $region (list) {	1981	for my $region (list) {
1675	if ($region->{match} && $path =~ $region->{match}) {	1982	if ($region->{match} && $path =~ $region->{match}) {
…		…
1704	sub generate_random_map {	2011	sub generate_random_map {
1705	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1706		2013
1707	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1708		2015
1709	# mit "rum" bekleckern, nicht
1710	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1711	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1712	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1713	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1714	$rmp->{exit_on_final_map},
1715	$rmp->{xsize}, $rmp->{ysize},
1716	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1717	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1718	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1719	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1720	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1721	(cf::region::find $rmp->{region}), $rmp->{custom}
1722	)
1723	}	2017	}
1724		2018
1725	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1726		2020
1727	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1732		2026
1733	sub register {	2027	sub register {
1734	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1735	my $pkg = caller;	2029	my $pkg = caller;
1736		2030
1737	no strict;
1738	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1739		2032
1740	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1741	}	2034	}
1742		2035
1743	# also paths starting with '/'	2036	# also paths starting with '/'
1744	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1745		2038
1746	sub thawer_merge {	2039	sub thawer_merge {
1747	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1748		2041
1749	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1754	}	2047	}
1755		2048
1756	sub normalise {	2049	sub normalise {
1757	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1758		2051
1759	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1760		2053
1761	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1762		2055
1763	# map plan:	2056	# map plan:
1764	#	2057	#
…		…
1779	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1780	$path = "$base/$path";	2073	$path = "$base/$path";
1781	}	2074	}
1782		2075
1783	for ($path) {	2076	for ($path) {
1784	redo if s{//}{/};
1785	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1786	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1787	}	2079	}
1788		2080
1789	$path	2081	$path
…		…
1803	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1804	return $self;	2096	return $self;
1805	}	2097	}
1806	}	2098	}
1807		2099
1808	Carp::cluck "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1809	()	2101	()
1810	}	2102	}
1811		2103
		2104	# may re-bless or do other evil things
1812	sub init {	2105	sub init {
1813	my ($self) = @_;	2106	my ($self) = @_;
1814		2107
1815	$self	2108	$self
1816	}	2109	}
…		…
1847		2140
1848	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1849	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1850	}	2143	}
1851		2144
1852	# and all this just because we cannot iterate over
1853	# all maps in C++...
1854	sub change_all_map_light {
1855	my ($change) = @_;
1856
1857	$_->change_map_light ($change)
1858	for grep $_->outdoor, values %cf::MAP;
1859	}
1860
1861	sub decay_objects {	2145	sub decay_objects {
1862	my ($self) = @_;	2146	my ($self) = @_;
1863		2147
1864	return if $self->{deny_reset};	2148	return if $self->{deny_reset};
1865		2149
…		…
1890	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1891		2175
1892	1	2176	1
1893	}	2177	}
1894		2178
		2179	# used to laod the header of an original map
1895	sub load_header_orig {	2180	sub load_header_orig {
1896	my ($self) = @_;	2181	my ($self) = @_;
1897		2182
1898	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1899	}	2184	}
1900		2185
		2186	# used to laod the header of an instantiated map
1901	sub load_header_temp {	2187	sub load_header_temp {
1902	my ($self) = @_;	2188	my ($self) = @_;
1903		2189
1904	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1905	}	2191	}
1906		2192
		2193	# called after loading the header from an instantiated map
1907	sub prepare_temp {	2194	sub prepare_temp {
1908	my ($self) = @_;	2195	my ($self) = @_;
1909		2196
1910	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1911	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1912	# safety	2199	# safety
1913	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1914	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1915	}	2202	}
1916		2203
		2204	# called after loading the header from an original map
1917	sub prepare_orig {	2205	sub prepare_orig {
1918	my ($self) = @_;	2206	my ($self) = @_;
1919		2207
1920	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1921	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1945		2233
1946	sub find;	2234	sub find;
1947	sub find {	2235	sub find {
1948	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1949		2237
		2238	cf::cede_to_tick;
		2239
1950	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1951		2241
1952	cf::lock_wait "map_data:$path";#d#remove	2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1953	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1954		2244
1955	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1956	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1957	my $guard2 = cf::lock_acquire "map_find:$path";
1958
1959	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1960	or return;	2247	or return;
1961		2248
1962	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1963		2250
…		…
1975		2262
1976	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1977	}	2264	}
1978	}	2265	}
1979		2266
1980	sub pre_load { }	2267	sub pre_load { }
1981	sub post_load { }	2268	#sub post_load { } # XS
1982		2269
1983	sub load {	2270	sub load {
1984	my ($self) = @_;	2271	my ($self) = @_;
1985		2272
1986	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1989		2276
1990	{	2277	{
1991	my $guard = cf::lock_acquire "map_data:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1992		2279
1993	return unless $self->valid;	2280	return unless $self->valid;
1994	return unless $self->in_memory == cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
1995
1996	$self->in_memory (cf::MAP_LOADING);
1997		2282
1998	$self->alloc;	2283	$self->alloc;
1999		2284
2000	$self->pre_load;	2285	$self->pre_load;
2001	cf::cede_to_tick;	2286	cf::cede_to_tick;
2002		2287
		2288	if (exists $self->{load_path}) {
2003	my $f = new_from_file cf::object::thawer $self->{load_path};	2289	my $f = new_from_file cf::object::thawer $self->{load_path};
2004	$f->skip_block;	2290	$f->skip_block;
2005	$self->_load_objects ($f)	2291	$self->_load_objects ($f)
2006	or return;	2292	or return;
2007		2293
2008	$self->post_load_original	2294	$self->post_load_original
2009	if delete $self->{load_original};	2295	if delete $self->{load_original};
2010		2296
2011	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
2012	utf8::encode $uniq;	2298	utf8::encode $uniq;
2013	unless (aio_stat $uniq) {	2299	unless (aio_stat $uniq) {
2014	if (my $f = new_from_file cf::object::thawer $uniq) {	2300	if (my $f = new_from_file cf::object::thawer $uniq) {
2015	$self->clear_unique_items;	2301	$self->clear_unique_items;
2016	$self->_load_objects ($f);	2302	$self->_load_objects ($f);
2017	$f->resolve_delayed_derefs;	2303	$f->resolve_delayed_derefs;
		2304	}
2018	}	2305	}
2019	}	2306	}
2020	}
2021		2307
2022	$f->resolve_delayed_derefs;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
2023		2315
2024	cf::cede_to_tick;	2316	cf::cede_to_tick;
2025	# now do the right thing for maps	2317	# now do the right thing for maps
2026	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
2027	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
…		…
2031	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
2032	$self->decay_objects;	2324	$self->decay_objects;
2033	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
2034	$self->update_buttons;	2326	$self->update_buttons;
2035	cf::cede_to_tick;	2327	cf::cede_to_tick;
2036	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
2037	cf::cede_to_tick;
2038	$self->activate;
2039	}	2329	}
2040		2330
2041	$self->{last_save} = $cf::RUNTIME;	2331	$self->{last_save} = $cf::RUNTIME;
2042	$self->last_access ($cf::RUNTIME);	2332	$self->last_access ($cf::RUNTIME);
2043
2044	$self->in_memory (cf::MAP_ACTIVE);
2045	}	2333	}
2046		2334
2047	$self->post_load;	2335	$self->post_load;
2048	}
2049		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
2050	sub customise_for {	2343	sub customise_for {
2051	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
2052		2345
2053	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
2054	if $self->per_player;	2347	if $self->per_player;
…		…
2057	# if $self->per_party;	2350	# if $self->per_party;
2058		2351
2059	$self	2352	$self
2060	}	2353	}
2061		2354
2062	# find and load all maps in the 3x3 area around a map
2063	sub load_neighbours {
2064	my ($map) = @_;
2065
2066	my @neigh; # diagonal neighbours
2067
2068	for (0 .. 3) {
2069	my $neigh = $map->tile_path ($_)
2070	or next;
2071	$neigh = find $neigh, $map
2072	or next;
2073	$neigh->load;
2074
2075	push @neigh,
2076	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2077	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2078	}
2079
2080	for (grep defined $_->[0], @neigh) {
2081	my ($path, $origin) = @$_;
2082	my $neigh = find $path, $origin
2083	or next;
2084	$neigh->load;
2085	}
2086	}
2087
2088	sub find_sync {	2355	sub find_sync {
2089	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
2090		2357
2091	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
2092	}	2363	}
2093		2364
2094	sub do_load_sync {	2365	sub do_load_sync {
2095	my ($map) = @_;	2366	my ($map) = @_;
2096		2367
		2368	# it's a bug to call this from the main context
2097	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2098	if $Coro::current == $Coro::main;	2370	if $Coro::current == $Coro::main;
2099		2371
2100	cf::sync_job { $map->load };	2372	$map->load;
2101	}	2373	}
2102		2374
2103	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
2104	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
2105		2377
2106	sub find_async {	2378	sub find_async {
2107	my ($path, $origin, $load) = @_;	2379	my ($path, $origin, $load) = @_;
2108		2380
2109	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
2110		2382
2111	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
2112	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2384	return $map if !$load || $map->linkable;
2113	}	2385	}
2114		2386
2115	$MAP_PREFETCH{$path} |= $load;	2387	$MAP_PREFETCH{$path} |= $load;
2116		2388
2117	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
…		…
2131	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
2132		2404
2133	()	2405	()
2134	}	2406	}
2135		2407
		2408	# common code, used by both ->save and ->swapout
2136	sub save {	2409	sub _save {
2137	my ($self) = @_;	2410	my ($self) = @_;
2138
2139	my $lock = cf::lock_acquire "map_data:$self->{path}";
2140		2411
2141	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
2142		2413
2143	return unless $self->dirty;	2414	return unless $self->dirty;
2144		2415
…		…
2164	} else {	2435	} else {
2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2166	}	2437	}
2167	}	2438	}
2168		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
2169	sub swap_out {	2448	sub swap_out {
2170	my ($self) = @_;	2449	my ($self) = @_;
2171		2450
2172	# save first because save cedes
2173	$self->save;
2174
2175	my $lock = cf::lock_acquire "map_data:$self->{path}";	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
2176		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
2177	return if $self->players;	2455	return if $self->players;
2178	return if $self->in_memory != cf::MAP_ACTIVE;	2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
		2466	$self->clear;
		2467	}
		2468
		2469	sub reset_at {
		2470	my ($self) = @_;
		2471
		2472	# TODO: safety, remove and allow resettable per-player maps
2179	return if $self->{deny_save};	2473	return 1e99 if $self->{deny_reset};
2180		2474
		2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2477
		2478	$time + $to
		2479	}
		2480
		2481	sub should_reset {
		2482	my ($self) = @_;
		2483
		2484	$self->reset_at <= $cf::RUNTIME
		2485	}
		2486
		2487	sub reset {
		2488	my ($self) = @_;
		2489
		2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2491
		2492	return if $self->players;
		2493
		2494	cf::trace "resetting map ", $self->path, "\n";
		2495
2181	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
		2497
		2498	# need to save uniques path
		2499	unless ($self->{deny_save}) {
		2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2501
		2502	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2503	if $uniq;
		2504	}
		2505
		2506	delete $cf::MAP{$self->path};
2182		2507
2183	$self->deactivate;	2508	$self->deactivate;
2184	$_->clear_links_to ($self) for values %cf::MAP;	2509	$_->clear_links_to ($self) for values %cf::MAP;
2185	$self->clear;	2510	$self->clear;
2186	}
2187
2188	sub reset_at {
2189	my ($self) = @_;
2190
2191	# TODO: safety, remove and allow resettable per-player maps
2192	return 1e99 if $self->{deny_reset};
2193
2194	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2195	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2196
2197	$time + $to
2198	}
2199
2200	sub should_reset {
2201	my ($self) = @_;
2202
2203	$self->reset_at <= $cf::RUNTIME
2204	}
2205
2206	sub reset {
2207	my ($self) = @_;
2208
2209	my $lock = cf::lock_acquire "map_data:$self->{path}";
2210
2211	return if $self->players;
2212
2213	warn "resetting map ", $self->path;
2214
2215	$self->in_memory (cf::MAP_SWAPPED);
2216
2217	# need to save uniques path
2218	unless ($self->{deny_save}) {
2219	my $uniq = $self->uniq_path; utf8::encode $uniq;
2220
2221	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2222	if $uniq;
2223	}
2224
2225	delete $cf::MAP{$self->path};
2226
2227	$self->deactivate;
2228	$_->clear_links_to ($self) for values %cf::MAP;
2229	$self->clear;
2230		2511
2231	$self->unlink_save;	2512	$self->unlink_save;
2232	$self->destroy;	2513	$self->destroy;
2233	}	2514	}
2234		2515
…		…
2242		2523
2243	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2244		2525
2245	$self->unlink_save;	2526	$self->unlink_save;
2246		2527
2247	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2248	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2249	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2250	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2251	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2252		2533
…		…
2309	: normalise $_	2590	: normalise $_
2310	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2311	]	2592	]
2312	}	2593	}
2313		2594
		2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
		2626
2314	=back	2627	=back
2315		2628
2316	=head3 cf::object	2629	=head3 cf::object
2317		2630
2318	=cut	2631	=cut
…		…
2341		2654
2342	Creates and returns a persistent reference to an object that can be stored as a string.	2655	Creates and returns a persistent reference to an object that can be stored as a string.
2343		2656
2344	=item $ob = cf::object::deref ($refstring)	2657	=item $ob = cf::object::deref ($refstring)
2345		2658
2346	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2659	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2347	even if the object actually exists. May block.	2660	even if the object actually exists. May block.
2348		2661
2349	=cut	2662	=cut
2350		2663
2351	sub deref {	2664	sub deref {
…		…
2383		2696
2384	our $SAY_CHANNEL = {	2697	our $SAY_CHANNEL = {
2385	id => "say",	2698	id => "say",
2386	title => "Map",	2699	title => "Map",
2387	reply => "say ",	2700	reply => "say ",
2388	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2389	};	2702	};
2390		2703
2391	our $CHAT_CHANNEL = {	2704	our $CHAT_CHANNEL = {
2392	id => "chat",	2705	id => "chat",
2393	title => "Chat",	2706	title => "Chat",
…		…
2450		2763
2451	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
2452		2765
2453	The player should be reasonably safe there for short amounts of time (e.g.	2766	The player should be reasonably safe there for short amounts of time (e.g.
2454	for loading a map). You I<MUST> call C<leave_link> as soon as possible,	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2455	though, as the palyer cannot control the character while it is on the link	2768	though, as the player cannot control the character while it is on the link
2456	map.	2769	map.
2457		2770
2458	Will never block.	2771	Will never block.
2459		2772
2460	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
…		…
2481	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2482	my ($self) = @_;	2795	my ($self) = @_;
2483		2796
2484	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2485		2798
		2799	++$self->{_link_recursion};
		2800
2486	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2487		2802
2488	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2489	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2490		2805
2491	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2492	}	2807	}
2493		2808
2494	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2495	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2496		2811
…		…
2513	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2514	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2515		2830
2516	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2517	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2518	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2519		2834
2520	$map->load;	2835	$map->load;
2521	$map->load_neighbours;
2522		2836
2523	return unless $self->contr->active;	2837	return unless $self->contr->active;
2524	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2525	$self->activate_recursive;
2526		2838
2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2528	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2529	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2530		2846
		2847	}
		2848
2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2532		2850
2533	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2534	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2535	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2536	the new (success) or old (failed) map position. In either case, $done will	2854	the new (success) or old (failed) map position. In either case, $done will
…		…
2543		2861
2544	our $GOTOGEN;	2862	our $GOTOGEN;
2545		2863
2546	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2547	my ($self, $path, $x, $y, $check, $done) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
2548		2872
2549	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2550	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2551		2875
2552	$self->enter_link;	2876	$self->enter_link;
…		…
2572	($path, $x, $y) = (undef, undef, undef);	2896	($path, $x, $y) = (undef, undef, undef);
2573	}	2897	}
2574	}	2898	}
2575		2899
2576	my $map = eval {	2900	my $map = eval {
2577	my $map = defined $path ? cf::map::find $path : undef;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2578		2902
2579	if ($map) {	2903	if ($map) {
2580	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2581	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2582	} else {	2906	} else {
2583	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2584	}	2908	}
2585		2909
2586	$map	2910	$map
…		…
2594	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2595	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2596	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2597	}	2921	}
2598		2922
2599	$done->() if $done;	2923	$done->($self) if $done;
2600	})->prio (1);	2924	})->prio (1);
2601	}	2925	}
2602		2926
2603	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2604		2928
…		…
2672	$Coro::current->{desc} = "enter_exit";	2996	$Coro::current->{desc} = "enter_exit";
2673		2997
2674	unless (eval {	2998	unless (eval {
2675	$self->deactivate_recursive; # just to be sure	2999	$self->deactivate_recursive; # just to be sure
2676		3000
2677	# random map handling
2678	{
2679	my $guard = cf::lock_acquire "exit_prepare:$exit";
2680
2681	prepare_random_map $exit
2682	if $exit->slaying eq "/!";
2683	}
2684
2685	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
2686	my $x = $exit->stats->hp;	3002	my $x = $exit->stats->hp;
2687	my $y = $exit->stats->sp;	3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
2688		3027
2689	$self->goto ($map, $x, $y);	3028	$self->goto ($map, $x, $y);
2690		3029
2691	# if exit is damned, update players death & WoR home-position	3030	# if exit is damned, update players death & WoR home-position
2692	$self->contr->savebed ($map, $x, $y)	3031	$self->contr->savebed ($map, $x, $y)
2693	if $exit->flag (cf::FLAG_DAMNED);	3032	if $exit->flag (cf::FLAG_DAMNED);
2694		3033
2695	1	3034	1
2696	}) {	3035	}) {
2697	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2698	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2699	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2700	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2701		3040
2702	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2703	$self->leave_link;	3042	$self->leave_link;
2704	}	3043	}
2705	})->prio (1);	3044	})->prio (1);
2706	}	3045	}
2707		3046
…		…
2719	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
2720	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
2721		3060
2722	utf8::encode $text;	3061	utf8::encode $text;
2723	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3063	}
		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
2724	}	3088	}
2725		3089
2726	=item $client->send_msg ($channel, $msg, $color, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2727		3091
2728	Send a drawinfo or msg packet to the client, formatting the msg for the	3092	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2732		3096
2733	=cut	3097	=cut
2734		3098
2735	# non-persistent channels (usually the info channel)	3099	# non-persistent channels (usually the info channel)
2736	our %CHANNEL = (	3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
2737	"c/identify" => {	3107	"c/identify" => {
2738	id => "infobox",	3108	id => "infobox",
2739	title => "Identify",	3109	title => "Identify",
2740	reply => undef,	3110	reply => undef,
2741	tooltip => "Items recently identified",	3111	tooltip => "Items recently identified",
…		…
2743	"c/examine" => {	3113	"c/examine" => {
2744	id => "infobox",	3114	id => "infobox",
2745	title => "Examine",	3115	title => "Examine",
2746	reply => undef,	3116	reply => undef,
2747	tooltip => "Signs and other items you examined",	3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
2748	},	3124	},
2749	"c/book" => {	3125	"c/book" => {
2750	id => "infobox",	3126	id => "infobox",
2751	title => "Book",	3127	title => "Book",
2752	reply => undef,	3128	reply => undef,
…		…
2768	id => "infobox",	3144	id => "infobox",
2769	title => "Body Parts",	3145	title => "Body Parts",
2770	reply => undef,	3146	reply => undef,
2771	tooltip => "Shows which body parts you posess and are available",	3147	tooltip => "Shows which body parts you posess and are available",
2772	},	3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
2773	"c/uptime" => {	3185	"c/uptime" => {
2774	id => "infobox",	3186	id => "infobox",
2775	title => "Uptime",	3187	title => "Uptime",
2776	reply => undef,	3188	reply => undef,
2777	tooltip => "How long the server has been running since last restart",	3189	tooltip => "How long the server has been running since last restart",
…		…
2786	id => "party",	3198	id => "party",
2787	title => "Party",	3199	title => "Party",
2788	reply => "gsay ",	3200	reply => "gsay ",
2789	tooltip => "Messages and chat related to your party",	3201	tooltip => "Messages and chat related to your party",
2790	},	3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
2791	);	3211	);
2792		3212
2793	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2794	my ($self, $channel, $msg, $color, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2795		3215
2796	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
2797		3218
2798	$color &= cf::NDI_CLIENT_MASK; # just in case...	3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
2799		3220
2800	# check predefined channels, for the benefit of C	3221	# check predefined channels, for the benefit of C
2801	if ($CHANNEL{$channel}) {	3222	if ($CHANNEL{$channel}) {
2802	$channel = $CHANNEL{$channel};	3223	$channel = $CHANNEL{$channel};
2803		3224
2804	$self->ext_msg (channel_info => $channel)	3225	$self->ext_msg (channel_info => $channel);
2805	if $self->can_msg;
2806
2807	$channel = $channel->{id};	3226	$channel = $channel->{id};
2808		3227
2809	} elsif (ref $channel) {	3228	} elsif (ref $channel) {
2810	# send meta info to client, if not yet sent	3229	# send meta info to client, if not yet sent
2811	unless (exists $self->{channel}{$channel->{id}}) {	3230	unless (exists $self->{channel}{$channel->{id}}) {
2812	$self->{channel}{$channel->{id}} = $channel;	3231	$self->{channel}{$channel->{id}} = $channel;
2813	$self->ext_msg (channel_info => $channel)	3232	$self->ext_msg (channel_info => $channel);
2814	if $self->can_msg;
2815	}	3233	}
2816		3234
2817	$channel = $channel->{id};	3235	$channel = $channel->{id};
2818	}	3236	}
2819		3237
2820	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2821		3239
2822	if ($self->can_msg) {
2823	# default colour, mask it out	3240	# default colour, mask it out
2824	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2825	if $color & cf::NDI_DEF;	3242	if $color & cf::NDI_DEF;
2826		3243
2827	my $pkt = "msg "	3244	my $pkt = "msg "
2828	. $self->{json_coder}->encode (	3245	. $self->{json_coder}->encode (
2829	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2830	);	3247	);
2831		3248
2832	# try lzf for large packets
2833	$pkt = "lzf " . Compress::LZF::compress $pkt
2834	if 1024 <= length $pkt and $self->{can_lzf};
2835
2836	# split very large packets
2837	if (8192 < length $pkt and $self->{can_lzf}) {
2838	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2839	$pkt = "frag";
2840	}
2841
2842	$self->send_packet ($pkt);	3249	$self->send_big_packet ($pkt);
2843	} else {
2844	if ($color >= 0) {
2845	# replace some tags by gcfclient-compatible ones
2846	for ($msg) {
2847	1 while
2848	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2849	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2850	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2851	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2852	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2853	}
2854
2855	$color &= cf::NDI_COLOR_MASK;
2856
2857	utf8::encode $msg;
2858
2859	if (0 && $msg =~ /\[/) {
2860	# COMMAND/INFO
2861	$self->send_packet ("drawextinfo $color 10 8 $msg")
2862	} else {
2863	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2864	$self->send_packet ("drawinfo $color $msg")
2865	}
2866	}
2867	}
2868	}	3250	}
2869		3251
2870	=item $client->ext_msg ($type, @msg)	3252	=item $client->ext_msg ($type, @msg)
2871		3253
2872	Sends an ext event to the client.	3254	Sends an ext event to the client.
…		…
2874	=cut	3256	=cut
2875		3257
2876	sub cf::client::ext_msg($$@) {	3258	sub cf::client::ext_msg($$@) {
2877	my ($self, $type, @msg) = @_;	3259	my ($self, $type, @msg) = @_;
2878		3260
2879	if ($self->extcmd == 2) {
2880	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2881	} elsif ($self->extcmd == 1) { # TODO: remove
2882	push @msg, msgtype => "event_$type";
2883	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2884	}
2885	}
2886
2887	=item $client->ext_reply ($msgid, @msg)
2888
2889	Sends an ext reply to the client.
2890
2891	=cut
2892
2893	sub cf::client::ext_reply($$@) {
2894	my ($self, $id, @msg) = @_;
2895
2896	if ($self->extcmd == 2) {
2897	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2898	} elsif ($self->extcmd == 1) {
2899	#TODO: version 1, remove
2900	unshift @msg, msgtype => "reply", msgid => $id;
2901	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2902	}
2903	}	3262	}
2904		3263
2905	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2906		3265
2907	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
2962	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
2963		3322
2964	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2965		3324
2966	if (ref $msg) {	3325	if (ref $msg) {
2967	my ($type, $reply, @payload) =	3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2968	"ARRAY" eq ref $msg
2969	? @$msg
2970	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2971		3327
2972	my @reply;
2973
2974	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
2975	@reply = $cb->($ns, @payload);	3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
2976	}	3346	}
2977
2978	$ns->ext_reply ($reply, @reply)
2979	if $reply;
2980
2981	} else {	3347	} else {
2982	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2983	}	3349	}
2984		3350
2985	cf::override;	3351	cf::override;
2986	},	3352	},
2987	);	3353	);
…		…
3007		3373
3008	$coro	3374	$coro
3009	}	3375	}
3010		3376
3011	cf::client->attach (	3377	cf::client->attach (
3012	on_destroy => sub {	3378	on_client_destroy => sub {
3013	my ($ns) = @_;	3379	my ($ns) = @_;
3014		3380
3015	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3016	},	3382	},
3017	);	3383	);
…		…
3033	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
3034		3400
3035	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
3036		3402
3037	$safe->permit_only (Opcode::opset qw(	3403	$safe->permit_only (Opcode::opset qw(
3038	:base_core :base_mem :base_orig :base_math	3404	:base_core :base_mem :base_orig :base_math :base_loop
3039	grepstart grepwhile mapstart mapwhile	3405	grepstart grepwhile mapstart mapwhile
3040	sort time	3406	sort time
3041	));	3407	));
3042		3408
3043	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
…		…
3047	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
3048		3414
3049	cf::object	3415	cf::object
3050	contr pay_amount pay_player map x y force_find force_add destroy	3416	contr pay_amount pay_player map x y force_find force_add destroy
3051	insert remove name archname title slaying race decrease split	3417	insert remove name archname title slaying race decrease split
		3418	value
3052		3419
3053	cf::object::player	3420	cf::object::player
3054	player	3421	player
3055		3422
3056	cf::player	3423	cf::player
…		…
3062	=cut	3429	=cut
3063		3430
3064	for (	3431	for (
3065	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3066	insert remove inv nrof name archname title slaying race	3433	insert remove inv nrof name archname title slaying race
3067	decrease split destroy change_exp)],	3434	decrease split destroy change_exp value msg lore send_msg)],
3068	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
3069	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
3070	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
3071	) {	3438	) {
3072	no strict 'refs';
3073	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
3074	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3075	for @funs;	3441	for @funs;
3076	}	3442	}
3077		3443
…		…
3092		3458
3093	my $qcode = $code;	3459	my $qcode = $code;
3094	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3095	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
3096		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
3097	local $_;	3466	local $_;
3098	local @safe::cf::_safe_eval_args = values %vars;
3099		3467
3100	my $eval =	3468	my $eval =
3101	"do {\n"	3469	"do {\n"
3102	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3103	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
3104	. $code	3472	. $code
3105	. "\n}"	3473	. "\n}"
3106	;	3474	;
3107		3475
		3476	if ($CFG{safe_eval}) {
3108	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
3109	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3110	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
3111		3485
3112	if ($@) {	3486	if ($@) {
3113	warn "$@";	3487	warn "$@",
3114	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
3115	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
3116	}	3490	}
3117		3491
3118	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
3119	}	3493	}
3120		3494
…		…
3134	=cut	3508	=cut
3135		3509
3136	sub register_script_function {	3510	sub register_script_function {
3137	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
3138		3512
3139	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
3140	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
3141	}	3515	}
3142		3516
3143	=back	3517	=back
3144		3518
3145	=cut	3519	=cut
3146		3520
3147	#############################################################################	3521	#############################################################################
3148	# the server's init and main functions	3522	# the server's init and main functions
3149		3523
		3524	{
		3525	package cf::face;
		3526
		3527	our %HASH; # hash => idx
		3528	our @DATA; # dynamically-created facedata, only faceste 0 used
		3529	our @FOFS; # file offset, if > 0
		3530	our @SIZE; # size of face, in octets
		3531	our @META; # meta hash of face, if any
		3532	our $DATAFH; # facedata filehandle
		3533
		3534	# internal api, not finalised
		3535	sub set {
		3536	my ($name, $type, $data) = @_;
		3537
		3538	my $idx = cf::face::find $name;
		3539
		3540	if ($idx) {
		3541	delete $HASH{cf::face::get_chksum $idx};
		3542	} else {
		3543	$idx = cf::face::alloc $name;
		3544	}
		3545
		3546	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3547
		3548	cf::face::set_type $idx, $type;
		3549	cf::face::set_csum $idx, 0, $hash;
		3550
		3551	# we need to destroy the SV itself, not just modify it, as a running ix
		3552	# might hold a reference to it: "delete" achieves that.
		3553	delete $FOFS[0][$idx];
		3554	delete $DATA[0][$idx];
		3555	$DATA[0][$idx] = $data;
		3556	$SIZE[0][$idx] = length $data;
		3557	delete $META[$idx];
		3558	$HASH{$hash} = $idx;#d#
		3559
		3560	$idx
		3561	}
		3562
		3563	sub _get_data($$$) {
		3564	my ($idx, $set, $cb) = @_;
		3565
		3566	if (defined $DATA[$set][$idx]) {
		3567	$cb->($DATA[$set][$idx]);
		3568	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3569	my $size = $SIZE[$set][$idx];
		3570	my $buf;
		3571	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3572	if ($_[0] == $size) {
		3573	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3574	$cb->($buf);
		3575	} else {
		3576	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3577	}
		3578	};
		3579	} else {
		3580	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3581	}
		3582	}
		3583
		3584	# rather ineffient
		3585	sub cf::face::get_data($;$) {
		3586	my ($idx, $set) = @_;
		3587
		3588	_get_data $idx, $set, Coro::rouse_cb;
		3589	Coro::rouse_wait
		3590	}
		3591
		3592	sub cf::face::ix {
		3593	my ($ns, $set, $idx, $pri) = @_;
		3594
		3595	_get_data $idx, $set, sub {
		3596	$ns->ix_send ($idx, $pri, $_[0]);
		3597	};
		3598	}
		3599	}
		3600
3150	sub load_facedata($) {	3601	sub load_facedata($) {
3151	my ($path) = @_;	3602	my ($path) = @_;
3152		3603
3153	# HACK to clear player env face cache, we need some signal framework
3154	# for this (global event?)
3155	%ext::player_env::MUSIC_FACE_CACHE = ();
3156
3157	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3604	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3158		3605
3159	warn "loading facedata from $path\n";	3606	trace "loading facedata from $path\n";
3160		3607
3161	my $facedata;	3608	my $facedata = decode_storable load_file "$path/faceinfo";
3162	0 < aio_load $path, $facedata
3163	or die "$path: $!";
3164
3165	$facedata = Coro::Storable::thaw $facedata;
3166		3609
3167	$facedata->{version} == 2	3610	$facedata->{version} == 2
3168	or cf::cleanup "$path: version mismatch, cannot proceed.";	3611	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3169		3612
3170	# patch in the exptable	3613	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3171	$facedata->{resource}{"res/exp_table"} = {	3614	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3172	type => FT_RSRC,	3615
3173	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3616	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3174	};	3617
3175	cf::cede_to_tick;	3618	# BEGIN ATOMIC
		3619	# from here on, everything must be atomic - no thread switch allowed
		3620	my $t1 = EV::time;
3176		3621
3177	{	3622	{
3178	my $faces = $facedata->{faceinfo};	3623	my $faces = $facedata->{faceinfo};
3179		3624
3180	while (my ($face, $info) = each %$faces) {	3625	for my $face (sort keys %$faces) {
		3626	my $info = $faces->{$face};
3181	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3627	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3182		3628
3183	cf::face::set_visibility $idx, $info->{visibility};	3629	cf::face::set_visibility $idx, $info->{visibility};
3184	cf::face::set_magicmap $idx, $info->{magicmap};	3630	cf::face::set_magicmap $idx, $info->{magicmap};
3185	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3631	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3186	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3632	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3187		3633	#cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph}; # glyphs no longer downloadable via ix
3188	cf::cede_to_tick;	3634	$cf::face::HASH{$info->{hash64}} = $idx;
		3635	delete $cf::face::META[$idx];
3189	}	3636	}
3190		3637
3191	while (my ($face, $info) = each %$faces) {	3638	while (my ($face, $info) = each %$faces) {
3192	next unless $info->{smooth};	3639	next unless $info->{smooth};
3193		3640
…		…
3196		3643
3197	if (my $smooth = cf::face::find $info->{smooth}) {	3644	if (my $smooth = cf::face::find $info->{smooth}) {
3198	cf::face::set_smooth $idx, $smooth;	3645	cf::face::set_smooth $idx, $smooth;
3199	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3646	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3200	} else {	3647	} else {
3201	warn "smooth face '$info->{smooth}' not found for face '$face'";	3648	error "smooth face '$info->{smooth}' not found for face '$face'";
3202	}	3649	}
3203
3204	cf::cede_to_tick;
3205	}	3650	}
3206	}	3651	}
3207		3652
3208	{	3653	{
3209	my $anims = $facedata->{animinfo};	3654	my $anims = $facedata->{animinfo};
3210		3655
3211	while (my ($anim, $info) = each %$anims) {	3656	while (my ($anim, $info) = each %$anims) {
3212	cf::anim::set $anim, $info->{frames}, $info->{facings};	3657	cf::anim::set $anim, $info->{frames}, $info->{facings};
3213	cf::cede_to_tick;
3214	}	3658	}
3215		3659
3216	cf::anim::invalidate_all; # d'oh	3660	cf::anim::invalidate_all; # d'oh
3217	}	3661	}
3218		3662
3219	{	3663	{
3220	# TODO: for gcfclient pleasure, we should give resources
3221	# that gcfclient doesn't grok a >10000 face index.
3222	my $res = $facedata->{resource};	3664	my $res = $facedata->{resource};
3223		3665
3224	while (my ($name, $info) = each %$res) {	3666	while (my ($name, $info) = each %$res) {
3225	if (defined $info->{type}) {	3667	if (defined (my $type = $info->{type})) {
		3668	# TODO: different hash - must free and use new index, or cache ixface data queue
3226	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3669	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3227	my $data;
3228		3670
3229	if ($info->{type} & 1) {
3230	# prepend meta info
3231
3232	my $meta = $enc->encode ({
3233	name => $name,
3234	%{ $info->{meta} || {} },
3235	});
3236
3237	$data = pack "(w/a*)*", $meta, $info->{data};
3238	} else {
3239	$data = $info->{data};
3240	}
3241
3242	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3243	cf::face::set_type $idx, $info->{type};	3671	cf::face::set_type $idx, $type;
		3672	cf::face::set_csum $idx, 0, $info->{hash};
		3673	$cf::face::SIZE[0][$idx] = $info->{size};
		3674	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3675	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3676	$cf::face::HASH{$info->{hash}} = $idx;
3244	} else {	3677	} else {
3245	$RESOURCE{$name} = $info;	3678	# $RESOURCE{$name} = $info; # unused
3246	}	3679	}
3247
3248	cf::cede_to_tick;
3249	}	3680	}
3250	}	3681	}
		3682
		3683	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3684
		3685	# HACK to clear player env face cache, we need some signal framework
		3686	# for this (global event?)
		3687	%ext::player_env::MUSIC_FACE_CACHE = ();
		3688
		3689	# END ATOMIC
		3690
		3691	cf::debug "facedata atomic update time ", EV::time - $t1;
3251		3692
3252	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3693	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3253		3694
		3695	aio_close $fh if $fh; # close old facedata
		3696
3254	1	3697	1
3255	}	3698	}
3256
3257	cf::global->attach (on_resource_update => sub {
3258	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3259	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3260
3261	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3262	my $sound = $soundconf->{compat}[$_]
3263	or next;
3264
3265	my $face = cf::face::find "sound/$sound->[1]";
3266	cf::sound::set $sound->[0] => $face;
3267	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3268	}
3269
3270	while (my ($k, $v) = each %{$soundconf->{event}}) {
3271	my $face = cf::face::find "sound/$v";
3272	cf::sound::set $k => $face;
3273	}
3274	}
3275	});
3276		3699
3277	register_exticmd fx_want => sub {	3700	register_exticmd fx_want => sub {
3278	my ($ns, $want) = @_;	3701	my ($ns, $want) = @_;
3279		3702
3280	while (my ($k, $v) = each %$want) {	3703	while (my ($k, $v) = each %$want) {
…		…
3288	my $status = load_resource_file_ $_[0];	3711	my $status = load_resource_file_ $_[0];
3289	get_slot 0.1, 100;	3712	get_slot 0.1, 100;
3290	cf::arch::commit_load;	3713	cf::arch::commit_load;
3291		3714
3292	$status	3715	$status
		3716	}
		3717
		3718	sub reload_exp_table {
		3719	_reload_exp_table;
		3720
		3721	cf::face::set
		3722	"res/exp_table" => FT_RSRC,
		3723	JSON::XS->new->utf8->canonical->encode (
		3724	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3725	);
		3726	}
		3727
		3728	sub reload_materials {
		3729	_reload_materials;
3293	}	3730	}
3294		3731
3295	sub reload_regions {	3732	sub reload_regions {
3296	# HACK to clear player env face cache, we need some signal framework	3733	# HACK to clear player env face cache, we need some signal framework
3297	# for this (global event?)	3734	# for this (global event?)
…		…
3305	if exists $_->{match};	3742	if exists $_->{match};
3306	}	3743	}
3307	}	3744	}
3308		3745
3309	sub reload_facedata {	3746	sub reload_facedata {
3310	load_facedata "$DATADIR/facedata"	3747	load_facedata $DATADIR
3311	or die "unable to load facedata\n";	3748	or die "unable to load facedata\n";
3312	}	3749	}
3313		3750
3314	sub reload_archetypes {	3751	sub reload_archetypes {
3315	load_resource_file "$DATADIR/archetypes"	3752	load_resource_file "$DATADIR/archetypes"
3316	or die "unable to load archetypes\n";	3753	or die "unable to load archetypes\n";
		3754
		3755	cf::face::set
		3756	"res/skill_info" => FT_RSRC,
		3757	JSON::XS->new->utf8->canonical->encode (
		3758	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3759	);
		3760
		3761	cf::face::set
		3762	"res/spell_paths" => FT_RSRC,
		3763	JSON::XS->new->utf8->canonical->encode (
		3764	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3765	);
3317	}	3766	}
3318		3767
3319	sub reload_treasures {	3768	sub reload_treasures {
3320	load_resource_file "$DATADIR/treasures"	3769	load_resource_file "$DATADIR/treasures"
3321	or die "unable to load treasurelists\n";	3770	or die "unable to load treasurelists\n";
3322	}	3771	}
3323		3772
		3773	sub reload_sound {
		3774	trace "loading sound config from $DATADIR/sound\n";
		3775
		3776	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3777
		3778	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3779	my $sound = $soundconf->{compat}[$_]
		3780	or next;
		3781
		3782	my $face = cf::face::find "sound/$sound->[1]";
		3783	cf::sound::set $sound->[0] => $face;
		3784	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3785	}
		3786
		3787	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3788	my $face = cf::face::find "sound/$v";
		3789	cf::sound::set $k => $face;
		3790	}
		3791	}
		3792
3324	sub reload_resources {	3793	sub reload_resources {
3325	warn "reloading resource files...\n";	3794	trace "reloading resource files...\n";
3326		3795
		3796	reload_materials;
3327	reload_facedata;	3797	reload_facedata;
		3798	reload_exp_table;
		3799	reload_sound;
3328	reload_archetypes;	3800	reload_archetypes;
3329	reload_regions;	3801	reload_regions;
3330	reload_treasures;	3802	reload_treasures;
3331		3803
3332	warn "finished reloading resource files\n";	3804	trace "finished reloading resource files\n";
3333	}
3334
3335	sub init {
3336	my $guard = freeze_mainloop;
3337
3338	evthread_start IO::AIO::poll_fileno;
3339
3340	reload_resources;
3341	}	3805	}
3342		3806
3343	sub reload_config {	3807	sub reload_config {
3344	open my $fh, "<:utf8", "$CONFDIR/config"	3808	trace "reloading config file...\n";
3345	or return;
3346		3809
3347	local $/;	3810	my $config = load_file "$CONFDIR/config";
3348	*CFG = YAML::Load <$fh>;	3811	utf8::decode $config;
		3812	*CFG = decode_yaml $config;
3349		3813
3350	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3814	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3351		3815
3352	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3816	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3353	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3817	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3354		3818
3355	if (exists $CFG{mlockall}) {	3819	if (exists $CFG{mlockall}) {
…		…
3378		3842
3379	seek $fh, 0, 0;	3843	seek $fh, 0, 0;
3380	print $fh $$;	3844	print $fh $$;
3381	}	3845	}
3382		3846
		3847	sub main_loop {
		3848	trace "EV::loop starting\n";
		3849	if (1) {
		3850	EV::loop;
		3851	}
		3852	trace "EV::loop returned\n";
		3853	goto &main_loop unless $REALLY_UNLOOP;
		3854	}
		3855
3383	sub main {	3856	sub main {
3384	atomic;	3857	cf::init_globals; # initialise logging
		3858
		3859	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3860	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3861	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3862	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3863
		3864	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3385		3865
3386	# we must not ever block the main coroutine	3866	# we must not ever block the main coroutine
3387	local $Coro::idle = sub {	3867	$Coro::idle = sub {
3388	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3868	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3389	(async {	3869	(async {
3390	$Coro::current->{desc} = "IDLE BUG HANDLER";	3870	$Coro::current->{desc} = "IDLE BUG HANDLER";
3391	EV::loop EV::LOOP_ONESHOT;	3871	EV::loop EV::LOOP_ONESHOT;
3392	})->prio (Coro::PRIO_MAX);	3872	})->prio (Coro::PRIO_MAX);
3393	};	3873	};
3394		3874
3395	{	3875	evthread_start IO::AIO::poll_fileno;
3396	my $guard = freeze_mainloop;	3876
		3877	cf::sync_job {
		3878	cf::incloader::init ();
		3879
		3880	db_init;
		3881
		3882	cf::init_anim;
		3883	cf::init_attackmess;
		3884	cf::init_dynamic;
		3885
		3886	cf::load_settings;
		3887
		3888	reload_resources;
3397	reload_config;	3889	reload_config;
3398	db_init;	3890
		3891	cf::init_uuid;
		3892	cf::init_signals;
		3893	cf::init_skills;
		3894
		3895	cf::init_beforeplay;
		3896
		3897	atomic;
		3898
3399	load_extensions;	3899	load_extensions;
3400		3900
3401	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3402	}
3403
3404	utime time, time, $RUNTIMEFILE;	3901	utime time, time, $RUNTIMEFILE;
3405		3902
3406	# no (long-running) fork's whatsoever before this point(!)	3903	# no (long-running) fork's whatsoever before this point(!)
		3904	use POSIX ();
3407	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3905	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3408		3906
3409	EV::loop;	3907	cf::_post_init 0;
		3908	};
		3909
		3910	cf::object::thawer::errors_are_fatal 0;
		3911	info "parse errors in files are no longer fatal from this point on.\n";
		3912
		3913	AE::postpone {
		3914	undef &main; # free gobs of memory :)
		3915	};
		3916
		3917	goto &main_loop;
3410	}	3918	}
3411		3919
3412	#############################################################################	3920	#############################################################################
3413	# initialisation and cleanup	3921	# initialisation and cleanup
3414		3922
3415	# install some emergency cleanup handlers	3923	# install some emergency cleanup handlers
3416	BEGIN {	3924	BEGIN {
3417	our %SIGWATCHER = ();	3925	our %SIGWATCHER = ();
3418	for my $signal (qw(INT HUP TERM)) {	3926	for my $signal (qw(INT HUP TERM)) {
3419	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3927	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3420	cf::cleanup "SIG$signal";	3928	cf::cleanup "SIG$signal";
3421	};	3929	};
3422	}	3930	}
3423	}	3931	}
3424		3932
3425	sub write_runtime_sync {	3933	sub write_runtime_sync {
		3934	my $t0 = AE::time;
		3935
3426	# first touch the runtime file to show we are still running:	3936	# first touch the runtime file to show we are still running:
3427	# the fsync below can take a very very long time.	3937	# the fsync below can take a very very long time.
3428		3938
3429	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	3939	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3430		3940
3431	my $guard = cf::lock_acquire "write_runtime";	3941	my $guard = cf::lock_acquire "write_runtime";
3432		3942
3433	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	3943	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3434	or return;	3944	or return;
3435		3945
3436	my $value = $cf::RUNTIME + 90 + 10;	3946	my $value = $cf::RUNTIME + 90 + 10;
3437	# 10 is the runtime save interval, for a monotonic clock	3947	# 10 is the runtime save interval, for a monotonic clock
3438	# 60 allows for the watchdog to kill the server.	3948	# 60 allows for the watchdog to kill the server.
…		…
3451	or return;	3961	or return;
3452		3962
3453	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	3963	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3454	and return;	3964	and return;
3455		3965
3456	warn "runtime file written.\n";	3966	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3457		3967
3458	1	3968	1
3459	}	3969	}
3460		3970
3461	our $uuid_lock;	3971	our $uuid_lock;
…		…
3470	my $uuid = "$LOCALDIR/uuid";	3980	my $uuid = "$LOCALDIR/uuid";
3471		3981
3472	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3982	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3473	or return;	3983	or return;
3474		3984
3475	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3985	my $value = uuid_seq uuid_cur;
		3986
		3987	unless ($value) {
		3988	info "cowardly refusing to write zero uuid value!\n";
		3989	return;
		3990	}
		3991
		3992	my $value = uuid_str $value + $uuid_skip;
3476	$uuid_skip = 0;	3993	$uuid_skip = 0;
3477		3994
3478	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3479	and return;	3996	and return;
3480		3997
…		…
3486	or return;	4003	or return;
3487		4004
3488	aio_rename "$uuid~", $uuid	4005	aio_rename "$uuid~", $uuid
3489	and return;	4006	and return;
3490		4007
3491	warn "uuid file written ($value).\n";	4008	trace "uuid file written ($value).\n";
3492		4009
3493	1	4010	1
3494		4011
3495	}	4012	}
3496		4013
…		…
3502	}	4019	}
3503		4020
3504	sub emergency_save() {	4021	sub emergency_save() {
3505	my $freeze_guard = cf::freeze_mainloop;	4022	my $freeze_guard = cf::freeze_mainloop;
3506		4023
3507	warn "enter emergency perl save\n";	4024	info "emergency_perl_save: enter\n";
		4025
		4026	# this is a trade-off: we want to be very quick here, so
		4027	# save all maps without fsync, and later call a global sync
		4028	# (which in turn might be very very slow)
		4029	local $USE_FSYNC = 0;
3508		4030
3509	cf::sync_job {	4031	cf::sync_job {
		4032	cf::write_runtime_sync; # external watchdog should not bark
		4033
3510	# use a peculiar iteration method to avoid tripping on perl	4034	# use a peculiar iteration method to avoid tripping on perl
3511	# refcount bugs in for. also avoids problems with players	4035	# refcount bugs in for. also avoids problems with players
3512	# and maps saved/destroyed asynchronously.	4036	# and maps saved/destroyed asynchronously.
3513	warn "begin emergency player save\n";	4037	info "emergency_perl_save: begin player save\n";
3514	for my $login (keys %cf::PLAYER) {	4038	for my $login (keys %cf::PLAYER) {
3515	my $pl = $cf::PLAYER{$login} or next;	4039	my $pl = $cf::PLAYER{$login} or next;
3516	$pl->valid or next;	4040	$pl->valid or next;
3517	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4041	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3518	$pl->save;	4042	$pl->save;
3519	}	4043	}
3520	warn "end emergency player save\n";	4044	info "emergency_perl_save: end player save\n";
3521		4045
3522	warn "begin emergency map save\n";	4046	cf::write_runtime_sync; # external watchdog should not bark
		4047
		4048	info "emergency_perl_save: begin map save\n";
3523	for my $path (keys %cf::MAP) {	4049	for my $path (keys %cf::MAP) {
3524	my $map = $cf::MAP{$path} or next;	4050	my $map = $cf::MAP{$path} or next;
3525	$map->valid or next;	4051	$map->valid or next;
3526	$map->save;	4052	$map->save;
3527	}	4053	}
3528	warn "end emergency map save\n";	4054	info "emergency_perl_save: end map save\n";
3529		4055
3530	warn "begin emergency database checkpoint\n";	4056	cf::write_runtime_sync; # external watchdog should not bark
		4057
		4058	info "emergency_perl_save: begin database checkpoint\n";
3531	BDB::db_env_txn_checkpoint $DB_ENV;	4059	BDB::db_env_txn_checkpoint $DB_ENV;
3532	warn "end emergency database checkpoint\n";	4060	info "emergency_perl_save: end database checkpoint\n";
3533		4061
3534	warn "begin write uuid\n";	4062	info "emergency_perl_save: begin write uuid\n";
3535	write_uuid_sync 1;	4063	write_uuid_sync 1;
3536	warn "end write uuid\n";	4064	info "emergency_perl_save: end write uuid\n";
		4065
		4066	cf::write_runtime_sync; # external watchdog should not bark
		4067
		4068	trace "emergency_perl_save: syncing database to disk";
		4069	BDB::db_env_txn_checkpoint $DB_ENV;
		4070
		4071	info "emergency_perl_save: starting sync\n";
		4072	IO::AIO::aio_sync sub {
		4073	info "emergency_perl_save: finished sync\n";
		4074	};
		4075
		4076	cf::write_runtime_sync; # external watchdog should not bark
		4077
		4078	trace "emergency_perl_save: flushing outstanding aio requests";
		4079	while (IO::AIO::nreqs || BDB::nreqs) {
		4080	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4081	}
		4082
		4083	cf::write_runtime_sync; # external watchdog should not bark
3537	};	4084	};
3538		4085
3539	warn "leave emergency perl save\n";	4086	info "emergency_perl_save: leave\n";
3540	}	4087	}
3541		4088
3542	sub post_cleanup {	4089	sub post_cleanup {
3543	my ($make_core) = @_;	4090	my ($make_core) = @_;
3544		4091
		4092	IO::AIO::flush;
		4093
3545	warn Carp::longmess "post_cleanup backtrace"	4094	error Carp::longmess "post_cleanup backtrace"
3546	if $make_core;	4095	if $make_core;
3547		4096
3548	my $fh = pidfile;	4097	my $fh = pidfile;
3549	unlink $PIDFILE if <$fh> == $$;	4098	unlink $PIDFILE if <$fh> == $$;
3550	}	4099	}
…		…
3570	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4119	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3571	for my $name (keys %$leaf_symtab) {	4120	for my $name (keys %$leaf_symtab) {
3572	_gv_clear *{"$pkg$name"};	4121	_gv_clear *{"$pkg$name"};
3573	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4122	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3574	}	4123	}
3575	warn "cleared package #$pkg\n";#d#
3576	}	4124	}
3577
3578	our $RELOAD; # how many times to reload
3579		4125
3580	sub do_reload_perl() {	4126	sub do_reload_perl() {
3581	# can/must only be called in main	4127	# can/must only be called in main
3582	if ($Coro::current != $Coro::main) {	4128	unless (in_main) {
3583	warn "can only reload from main coroutine";	4129	error "can only reload from main coroutine";
3584	return;	4130	return;
3585	}	4131	}
3586		4132
3587	return if $RELOAD++;	4133	return if $RELOAD++;
3588		4134
		4135	my $t1 = AE::time;
		4136
3589	while ($RELOAD) {	4137	while ($RELOAD) {
3590	warn "reloading...";	4138	cf::get_slot 0.1, -1, "reload_perl";
		4139	info "perl_reload: reloading...";
3591		4140
3592	warn "entering sync_job";	4141	trace "perl_reload: entering sync_job";
3593		4142
3594	cf::sync_job {	4143	cf::sync_job {
3595	cf::write_runtime_sync; # external watchdog should not bark
3596	cf::emergency_save;	4144	#cf::emergency_save;
3597	cf::write_runtime_sync; # external watchdog should not bark
3598		4145
3599	warn "syncing database to disk";
3600	BDB::db_env_txn_checkpoint $DB_ENV;
3601
3602	# if anything goes wrong in here, we should simply crash as we already saved
3603
3604	warn "flushing outstanding aio requests";
3605	while (IO::AIO::nreqs || BDB::nreqs) {
3606	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3607	}
3608
3609	warn "cancelling all extension coros";	4146	trace "perl_reload: cancelling all extension coros";
3610	$_->cancel for values %EXT_CORO;	4147	$_->cancel for values %EXT_CORO;
3611	%EXT_CORO = ();	4148	%EXT_CORO = ();
3612		4149
3613	warn "removing commands";	4150	trace "perl_reload: removing commands";
3614	%COMMAND = ();	4151	%COMMAND = ();
3615		4152
3616	warn "removing ext/exti commands";	4153	trace "perl_reload: removing ext/exti commands";
3617	%EXTCMD = ();	4154	%EXTCMD = ();
3618	%EXTICMD = ();	4155	%EXTICMD = ();
3619		4156
3620	warn "unloading/nuking all extensions";	4157	trace "perl_reload: unloading/nuking all extensions";
3621	for my $pkg (@EXTS) {	4158	for my $pkg (@EXTS) {
3622	warn "... unloading $pkg";	4159	trace "... unloading $pkg";
3623		4160
3624	if (my $cb = $pkg->can ("unload")) {	4161	if (my $cb = $pkg->can ("unload")) {
3625	eval {	4162	eval {
3626	$cb->($pkg);	4163	$cb->($pkg);
3627	1	4164	1
3628	} or warn "$pkg unloaded, but with errors: $@";	4165	} or error "$pkg unloaded, but with errors: $@";
3629	}	4166	}
3630		4167
3631	warn "... clearing $pkg";	4168	trace "... clearing $pkg";
3632	clear_package $pkg;	4169	clear_package $pkg;
3633	}	4170	}
3634		4171
3635	warn "unloading all perl modules loaded from $LIBDIR";	4172	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3636	while (my ($k, $v) = each %INC) {	4173	while (my ($k, $v) = each %INC) {
3637	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4174	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3638		4175
3639	warn "... unloading $k";	4176	trace "... unloading $k";
3640	delete $INC{$k};	4177	delete $INC{$k};
3641		4178
3642	$k =~ s/\.pm$//;	4179	$k =~ s/\.pm$//;
3643	$k =~ s/\//::/g;	4180	$k =~ s/\//::/g;
3644		4181
…		…
3647	}	4184	}
3648		4185
3649	clear_package $k;	4186	clear_package $k;
3650	}	4187	}
3651		4188
3652	warn "getting rid of safe::, as good as possible";	4189	trace "perl_reload: getting rid of safe::, as good as possible";
3653	clear_package "safe::$_"	4190	clear_package "safe::$_"
3654	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4191	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3655		4192
3656	warn "unloading cf.pm \"a bit\"";	4193	trace "perl_reload: unloading cf.pm \"a bit\"";
3657	delete $INC{"cf.pm"};	4194	delete $INC{"cf.pm"};
3658	delete $INC{"cf/pod.pm"};	4195	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3659		4196
3660	# don't, removes xs symbols, too,	4197	# don't, removes xs symbols, too,
3661	# and global variables created in xs	4198	# and global variables created in xs
3662	#clear_package __PACKAGE__;	4199	#clear_package __PACKAGE__;
3663		4200
3664	warn "unload completed, starting to reload now";	4201	info "perl_reload: unload completed, starting to reload now";
3665		4202
3666	warn "reloading cf.pm";	4203	trace "perl_reload: reloading cf.pm";
3667	require cf;	4204	require cf;
3668	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4205	cf::_connect_to_perl_1;
3669		4206
3670	warn "loading config and database again";	4207	trace "perl_reload: loading config and database again";
3671	cf::reload_config;	4208	cf::reload_config;
3672		4209
3673	warn "loading extensions";	4210	trace "perl_reload: loading extensions";
3674	cf::load_extensions;	4211	cf::load_extensions;
3675		4212
		4213	if ($REATTACH_ON_RELOAD) {
3676	warn "reattaching attachments to objects/players";	4214	trace "perl_reload: reattaching attachments to objects/players";
3677	_global_reattach; # objects, sockets	4215	_global_reattach; # objects, sockets
3678	warn "reattaching attachments to maps";	4216	trace "perl_reload: reattaching attachments to maps";
3679	reattach $_ for values %MAP;	4217	reattach $_ for values %MAP;
3680	warn "reattaching attachments to players";	4218	trace "perl_reload: reattaching attachments to players";
3681	reattach $_ for values %PLAYER;	4219	reattach $_ for values %PLAYER;
		4220	}
3682		4221
3683	warn "leaving sync_job";	4222	cf::_post_init 1;
		4223
		4224	trace "perl_reload: leaving sync_job";
3684		4225
3685	1	4226	1
3686	} or do {	4227	} or do {
3687	warn $@;	4228	error $@;
3688	cf::cleanup "error while reloading, exiting.";	4229	cf::cleanup "perl_reload: error, exiting.";
3689	};	4230	};
3690		4231
3691	warn "reloaded";
3692	--$RELOAD;	4232	--$RELOAD;
3693	}	4233	}
		4234
		4235	$t1 = AE::time - $t1;
		4236	info "perl_reload: completed in ${t1}s\n";
3694	};	4237	};
3695		4238
3696	our $RELOAD_WATCHER; # used only during reload	4239	our $RELOAD_WATCHER; # used only during reload
3697		4240
3698	sub reload_perl() {	4241	sub reload_perl() {
3699	# doing reload synchronously and two reloads happen back-to-back,	4242	# doing reload synchronously and two reloads happen back-to-back,
3700	# coro crashes during coro_state_free->destroy here.	4243	# coro crashes during coro_state_free->destroy here.
3701		4244
		4245	$RELOAD_WATCHER ||= cf::async {
		4246	Coro::AIO::aio_wait cache_extensions;
		4247
3702	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4248	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3703	do_reload_perl;	4249	do_reload_perl;
3704	undef $RELOAD_WATCHER;	4250	undef $RELOAD_WATCHER;
		4251	};
3705	};	4252	};
3706	}	4253	}
3707		4254
3708	register_command "reload" => sub {	4255	register_command "reload" => sub {
3709	my ($who, $arg) = @_;	4256	my ($who, $arg) = @_;
…		…
3715	reload_perl;	4262	reload_perl;
3716	};	4263	};
3717	}	4264	}
3718	};	4265	};
3719		4266
3720	unshift @INC, $LIBDIR;	4267	#############################################################################
3721		4268
3722	my $bug_warning = 0;	4269	my $bug_warning = 0;
3723		4270
3724	our @WAIT_FOR_TICK;
3725	our @WAIT_FOR_TICK_BEGIN;
3726
3727	sub wait_for_tick {	4271	sub wait_for_tick() {
3728	return if tick_inhibit || $Coro::current == $Coro::main;	4272	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3729		4273
3730	my $signal = new Coro::Signal;	4274	$WAIT_FOR_TICK->wait;
3731	push @WAIT_FOR_TICK, $signal;
3732	$signal->wait;
3733	}	4275	}
3734		4276
3735	sub wait_for_tick_begin {	4277	sub wait_for_tick_begin() {
3736	return if tick_inhibit || $Coro::current == $Coro::main;	4278	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3737		4279
3738	my $signal = new Coro::Signal;	4280	my $signal = new Coro::Signal;
3739	push @WAIT_FOR_TICK_BEGIN, $signal;	4281	push @WAIT_FOR_TICK_BEGIN, $signal;
3740	$signal->wait;	4282	$signal->wait;
3741	}	4283	}
…		…
3745	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4287	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3746	unless ++$bug_warning > 10;	4288	unless ++$bug_warning > 10;
3747	return;	4289	return;
3748	}	4290	}
3749		4291
3750	cf::server_tick; # one server iteration	4292	cf::one_tick; # one server iteration
		4293
		4294	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3751		4295
3752	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4296	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3753	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4297	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3754	Coro::async_pool {	4298	Coro::async_pool {
3755	$Coro::current->{desc} = "runtime saver";	4299	$Coro::current->{desc} = "runtime saver";
3756	write_runtime_sync	4300	write_runtime_sync
3757	or warn "ERROR: unable to write runtime file: $!";	4301	or error "ERROR: unable to write runtime file: $!";
3758	};	4302	};
3759	}	4303	}
3760		4304
3761	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4305	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3762	$sig->send;	4306	$sig->send;
3763	}	4307	}
3764	while (my $sig = shift @WAIT_FOR_TICK) {	4308	$WAIT_FOR_TICK->broadcast;
3765	$sig->send;
3766	}
3767		4309
3768	$LOAD = ($NOW - $TICK_START) / $TICK;	4310	$LOAD = ($NOW - $TICK_START) / $TICK;
3769	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4311	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3770		4312
3771	if (0) {	4313	if (0) {
3772	if ($NEXT_TICK) {	4314	if ($NEXT_TICK) {
3773	my $jitter = $TICK_START - $NEXT_TICK;	4315	my $jitter = $TICK_START - $NEXT_TICK;
3774	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4316	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3775	warn "jitter $JITTER\n";#d#	4317	debug "jitter $JITTER\n";#d#
3776	}	4318	}
3777	}	4319	}
3778	}	4320	}
3779		4321
3780	{	4322	{
3781	# configure BDB	4323	# configure BDB
		4324	info "initialising database";
3782		4325
3783	BDB::min_parallel 8;	4326	BDB::min_parallel 16;
3784	BDB::max_poll_reqs $TICK * 0.1;	4327	BDB::max_poll_reqs $TICK * 0.1;
3785	$AnyEvent::BDB::WATCHER->priority (1);	4328	#$AnyEvent::BDB::WATCHER->priority (1);
3786		4329
3787	unless ($DB_ENV) {	4330	unless ($DB_ENV) {
3788	$DB_ENV = BDB::db_env_create;	4331	$DB_ENV = BDB::db_env_create;
3789	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4332	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3790	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4333	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3815	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4358	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3816	};	4359	};
3817	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4360	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3818	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4361	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3819	};	4362	};
		4363
		4364	info "database initialised";
3820	}	4365	}
3821		4366
3822	{	4367	{
3823	# configure IO::AIO	4368	# configure IO::AIO
3824		4369
		4370	info "initialising aio";
3825	IO::AIO::min_parallel 8;	4371	IO::AIO::min_parallel 8;
3826	IO::AIO::max_poll_time $TICK * 0.1;	4372	IO::AIO::max_poll_time $TICK * 0.1;
3827	undef $AnyEvent::AIO::WATCHER;	4373	undef $AnyEvent::AIO::WATCHER;
		4374	info "aio initialised";
3828	}	4375	}
3829		4376
3830	my $_log_backtrace;	4377	our $_log_backtrace;
		4378	our $_log_backtrace_last;
3831		4379
3832	sub _log_backtrace {	4380	sub _log_backtrace {
3833	my ($msg, @addr) = @_;	4381	my ($msg, @addr) = @_;
3834		4382
3835	$msg =~ s/\n//;	4383	$msg =~ s/\n$//;
3836		4384
		4385	if ($_log_backtrace_last eq $msg) {
		4386	LOG llevInfo, "[ABT] $msg\n";
		4387	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3837	# limit the # of concurrent backtraces	4388	# limit the # of concurrent backtraces
3838	if ($_log_backtrace < 2) {	4389	} elsif ($_log_backtrace < 2) {
		4390	$_log_backtrace_last = $msg;
3839	++$_log_backtrace;	4391	++$_log_backtrace;
3840	my $perl_bt = Carp::longmess $msg;	4392	my $perl_bt = Carp::longmess $msg;
3841	async {	4393	async {
3842	$Coro::current->{desc} = "abt $msg";	4394	$Coro::current->{desc} = "abt $msg";
3843		4395
…		…
3863	LOG llevInfo, "[ABT] $_\n" for @bt;	4415	LOG llevInfo, "[ABT] $_\n" for @bt;
3864	--$_log_backtrace;	4416	--$_log_backtrace;
3865	};	4417	};
3866	} else {	4418	} else {
3867	LOG llevInfo, "[ABT] $msg\n";	4419	LOG llevInfo, "[ABT] $msg\n";
3868	LOG llevInfo, "[ABT] [suppressed]\n";	4420	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3869	}	4421	}
3870	}	4422	}
3871		4423
3872	# load additional modules	4424	# load additional modules
3873	use cf::pod;	4425	require "cf/$_.pm" for @EXTRA_MODULES;
		4426	cf::_connect_to_perl_2;
3874		4427
3875	END { cf::emergency_save }	4428	END { cf::emergency_save }
3876		4429
3877	1	4430	1
3878		4431

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