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Revision 1.456 by root, Tue Sep 30 04:00:35 2008 UTC vs.
Revision 1.622 by root, Wed Nov 23 06:05:33 2016 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 ();
		62	use CBOR::XS ();
57	use IO::AIO ();	63	use IO::AIO ();
58	use Time::HiRes;
59	use Compress::LZF;	64	use Compress::LZF;
60	use Digest::MD5 ();	65	use Digest::MD5 ();
61		66
62	AnyEvent::detect;	67	AnyEvent::detect;
63		68
…		…
70		75
71	# make sure c-lzf reinitialises itself	76	# make sure c-lzf reinitialises itself
72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";	77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
74		79
		80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
		82
75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
76		86
77	our %COMMAND = ();	87	our %COMMAND = ();
78	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
79		89
80	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
81	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
82	our %EXTICMD = ();	93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
83	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
84	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
85		97
86	our $RELOAD; # number of reloads so far, non-zero while in reload	98	our $RELOAD; # number of reloads so far, non-zero while in reload
87	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
88		102
89	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
90	our $DATADIR = datadir;	105	our $DATADIR = datadir;
91	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
92	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
93	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
94	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
95	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
98	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
99	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
100	our $PIDFILE = "$LOCALDIR/pid";	116	our $PIDFILE = "$LOCALDIR/pid";
101	our $RUNTIMEFILE = "$LOCALDIR/runtime";	117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
102		118
103	our %RESOURCE;	119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
104		126
105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
107	our $NEXT_TICK;	129	our $NEXT_TICK;
108	our $USE_FSYNC = 1; # use fsync to write maps - default off	130	our $USE_FSYNC = 1; # use fsync to write maps - default on
109		131
110	our $BDB_DEADLOCK_WATCHER;	132	our $BDB_DEADLOCK_WATCHER;
111	our $BDB_CHECKPOINT_WATCHER;	133	our $BDB_CHECKPOINT_WATCHER;
112	our $BDB_TRICKLE_WATCHER;	134	our $BDB_TRICKLE_WATCHER;
113	our $DB_ENV;	135	our $DB_ENV;
114		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
115	our %CFG;	139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
116		141
117	our $UPTIME; $UPTIME ||= time;	142	our $UPTIME; $UPTIME ||= time;
118	our $RUNTIME;	143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
119	our $NOW;	145	our $NOW;
120		146
121	our (%PLAYER, %PLAYER_LOADING); # all users	147	our (%PLAYER, %PLAYER_LOADING); # all users
122	our (%MAP, %MAP_LOADING ); # all maps	148	our (%MAP, %MAP_LOADING ); # all maps
123	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
…		…
129	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
130	our $JITTER; # average jitter	156	our $JITTER; # average jitter
131	our $TICK_START; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
132		158
133	our @POST_INIT;	159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
134		166
135	binmode STDOUT;	167	binmode STDOUT;
136	binmode STDERR;	168	binmode STDERR;
137		169
138	# read virtual server time, if available	170	# read virtual server time, if available
…		…
140	open my $fh, "<", $RUNTIMEFILE	172	open my $fh, "<", $RUNTIMEFILE
141	or die "unable to read $RUNTIMEFILE file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
142	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
143	}	175	}
144		176
		177	eval "sub TICK() { $TICK } 1" or die;
		178
145	mkdir $_	179	mkdir $_
146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
147		181
148	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
149		183
150	sub cf::map::normalise;	184	sub cf::map::normalise;
151		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
152	#############################################################################	190	#############################################################################
153		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
154	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
155		204
156	=over 4	205	=over 4
157		206
158	=item $cf::UPTIME	207	=item $cf::UPTIME
159		208
160	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
161		225
162	=item $cf::RUNTIME	226	=item $cf::RUNTIME
163		227
164	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
165	every server tick.	229	every server tick.
166		230
167	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
168	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
169	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
170		234
171	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
172	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
173	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
174	database environment.	238	database environment.
175		239
176	=item $cf::NOW
177
178	The time of the last (current) server tick.
179
180	=item $cf::TICK
181
182	The interval between server ticks, in seconds.
183
184	=item $cf::LOADAVG	240	=item $cf::LOADAVG
185		241
186	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
187	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
188	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
197	from wherever your confdir points to.	253	from wherever your confdir points to.
198		254
199	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
200		256
201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick.
202	returns directly I<after> the tick processing (and consequently, can only wake one process	258	cf::wait_for_tick_begin only returns directly I<after> the tick
		259	processing (and consequently, can only wake one thread per tick), while
203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	260	cf::wait_for_tick wakes up all waiters after tick processing.
		261
		262	Note that cf::wait_for_tick will immediately return when the server is not
		263	ticking, making it suitable for small pauses in threads that need to run
		264	when the server is paused. If that is not applicable (i.e. you I<really>
		265	want to wait, use C<$cf::WAIT_FOR_TICK>).
		266
		267	=item $cf::WAIT_FOR_TICK
		268
		269	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		270	variable contains a L<Coro::Signal> that is broadcats after every server
		271	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		272	next server tick.
		273
		274	=cut
		275
		276	sub wait_for_tick();
		277	sub wait_for_tick_begin();
204		278
205	=item @cf::INVOKE_RESULTS	279	=item @cf::INVOKE_RESULTS
206		280
207	This array contains the results of the last C<invoke ()> call. When	281	This array contains the results of the last C<invoke ()> call. When
208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	282	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
209	that call.	283	that call.
210		284
		285	=item %cf::REFLECT
		286
		287	Contains, for each (C++) class name, a hash reference with information
		288	about object members (methods, scalars, arrays and flags) and other
		289	metadata, which is useful for introspection.
		290
211	=back	291	=back
212		292
213	=cut	293	=cut
214		294
215	BEGIN {	295	sub error(@) { LOG llevError, join "", @_ }
216	*CORE::GLOBAL::warn = sub {	296	sub warn (@) { LOG llevWarn , join "", @_ }
		297	sub info (@) { LOG llevInfo , join "", @_ }
		298	sub debug(@) { LOG llevDebug, join "", @_ }
		299	sub trace(@) { LOG llevTrace, join "", @_ }
		300
		301	$Coro::State::WARNHOOK = sub {
217	my $msg = join "", @_;	302	my $msg = join "", @_;
218		303
219	$msg .= "\n"	304	$msg .= "\n"
220	unless $msg =~ /\n$/;	305	unless $msg =~ /\n$/;
221		306
222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	307	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
223		308
224	LOG llevError, $msg;	309	LOG llevWarn, $msg;
225	};	310	};
226	}
227		311
228	$Coro::State::DIEHOOK = sub {	312	$Coro::State::DIEHOOK = sub {
229	return unless $^S eq 0; # "eq", not "=="	313	return unless $^S eq 0; # "eq", not "=="
230		314
231	if ($Coro::current == $Coro::main) {#d#	315	error Carp::longmess $_[0];
		316
		317	if (in_main) {#d#
232	warn "DIEHOOK called in main context, Coro bug?\n";#d#	318	error "DIEHOOK called in main context, Coro bug?\n";#d#
233	return;#d#	319	return;#d#
234	}#d#	320	}#d#
235		321
236	# kill coroutine otherwise	322	# kill coroutine otherwise
237	warn Carp::longmess $_[0];
238	Coro::terminate	323	Coro::terminate
239	};	324	};
240
241	$SIG{__DIE__} = sub { }; #d#?
242		325
243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
260	)) {	343	)) {
261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
262	}	345	}
263		346
264	$EV::DIED = sub {	347	$EV::DIED = sub {
265	warn "error in event callback: @_";	348	warn "error in event callback: $@";
266	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
267		355
268	#############################################################################	356	#############################################################################
269		357
270	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
271		359
…		…
292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
293	$d	381	$d
294	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
295	}	383	}
296		384
		385	=item $scalar = cf::load_file $path
		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($path, $data, $sync) = @_;
		408
		409	my $lock = cf::lock_acquire ("replace_file:$path");
		410
		411	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		412	or return;
		413
		414	$data = $data->() if ref $data;
		415
		416	length $data == aio_write $fh, 0, (length $data), $data, 0
		417	or return;
		418
		419	!$sync
		420	or !aio_fsync $fh
		421	or return;
		422
		423	aio_close $fh
		424	and return;
		425
		426	aio_rename "$path~", $path
		427	and return;
		428
		429	if ($sync) {
		430	$path =~ s%/[^/]*$%%;
		431	aio_pathsync $path;
		432	}
		433
		434	1
		435	}
		436
297	=item $ref = cf::decode_json $json	437	=item $ref = cf::decode_json $json
298		438
299	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
300		440
301	=item $json = cf::encode_json $ref	441	=item $json = cf::encode_json $ref
…		…
307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	447	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
308		448
309	sub encode_json($) { $json_coder->encode ($_[0]) }	449	sub encode_json($) { $json_coder->encode ($_[0]) }
310	sub decode_json($) { $json_coder->decode ($_[0]) }	450	sub decode_json($) { $json_coder->decode ($_[0]) }
311		451
		452	=item $ref = cf::decode_storable $scalar
		453
		454	Same as Coro::Storable::thaw, so blocks.
		455
		456	=cut
		457
		458	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		459
		460	=item $ref = cf::decode_yaml $scalar
		461
		462	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		463
		464	=cut
		465
		466	sub decode_yaml($) {
		467	fork_call { YAML::XS::Load $_[0] } @_
		468	}
		469
		470	=item $scalar = cf::decode_cbor $scalar
		471
		472	Same as CBOR::XS::decode_cbor, but takes server ticks into account, so
		473	blocks. For small amounts of data, C<CBOR::XS::decode_cbor> is the better
		474	alternative.
		475
		476	=cut
		477
		478	sub decode_cbor($) {
		479	# we assume 10mb/s minimum decoding speed (on a ~2ghz machine)
		480	cf::get_slot +(length $_[0]) / 10_000_000, 0, "decode_cbor";
		481	CBOR::XS::decode_cbor $_[0]
		482	}
		483
		484	=item $scalar = cf::unlzf $scalar
		485
		486	Same as Compress::LZF::compress, but takes server ticks into account, so
		487	blocks.
		488
		489	=cut
		490
		491	sub unlzf($) {
		492	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		493	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		494	Compress::LZF::decompress $_[0]
		495	}
		496
312	=item cf::post_init { BLOCK }	497	=item cf::post_init { BLOCK }
313		498
314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,	499	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
315	but I<before> the server starts ticking again.	500	but I<before> the server starts ticking again.
316		501
317	The cdoeblock will have a single boolean argument to indicate whether this	502	The codeblock will have a single boolean argument to indicate whether this
318	is a reload or not.	503	is a reload or not.
319		504
320	=cut	505	=cut
321		506
322	sub post_init(&) {	507	sub post_init(&) {
323	push @POST_INIT, shift;	508	push @POST_INIT, shift;
324	}	509	}
325		510
		511	sub _post_init {
		512	trace "running post_init jobs";
		513
		514	# run them in parallel...
		515
		516	my @join;
		517
		518	while () {
		519	push @join, map &Coro::async ($_, 0), @POST_INIT;
		520	@POST_INIT = ();
		521
		522	@join or last;
		523
		524	(pop @join)->join;
		525	}
		526	}
		527
326	=item cf::lock_wait $string	528	=item cf::lock_wait $string
327		529
328	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
329		531
330	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
331		533
332	Wait until the given lock is available and then acquires it and returns	534	Wait until the given lock is available and then acquires it and returns
333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	535	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
334	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
335	returned.	537	returned.
336		538
337	Locks are *not* recursive, locking from the same coro twice results in a	539	Locks are *not* recursive, locking from the same coro twice results in a
338	deadlocked coro.	540	deadlocked coro.
…		…
344		546
345	Return true if the lock is currently active, i.e. somebody has locked it.	547	Return true if the lock is currently active, i.e. somebody has locked it.
346		548
347	=cut	549	=cut
348		550
349	our %LOCK;	551	our $LOCKS = new Coro::SemaphoreSet;
350	our %LOCKER;#d#
351		552
352	sub lock_wait($) {	553	sub lock_wait($) {
353	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
354
355	if ($LOCKER{$key} == $Coro::current) {#d#
356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
357	return;#d#
358	}#d#
359
360	# wait for lock, if any
361	while ($LOCK{$key}) {
362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
363	push @{ $LOCK{$key} }, $Coro::current;
364	Coro::schedule;
365	}
366	}	555	}
367		556
368	sub lock_acquire($) {	557	sub lock_acquire($) {
369	my ($key) = @_;	558	$LOCKS->guard ($_[0])
370
371	# wait, to be sure we are not locked
372	lock_wait $key;
373
374	$LOCK{$key} = [];
375	$LOCKER{$key} = $Coro::current;#d#
376
377	Coro::guard {
378	delete $LOCKER{$key};#d#
379	# wake up all waiters, to be on the safe side
380	$_->ready for @{ delete $LOCK{$key} };
381	}
382	}	559	}
383		560
384	sub lock_active($) {	561	sub lock_active($) {
385	my ($key) = @_;	562	$LOCKS->count ($_[0]) < 1
386
387	! ! $LOCK{$key}
388	}	563	}
389		564
390	sub freeze_mainloop {	565	sub freeze_mainloop {
391	tick_inhibit_inc;	566	tick_inhibit_inc;
392		567
393	Coro::guard \&tick_inhibit_dec;	568	&Guard::guard (\&tick_inhibit_dec);
394	}	569	}
395		570
396	=item cf::periodic $interval, $cb	571	=item cf::periodic $interval, $cb
397		572
398	Like EV::periodic, but randomly selects a starting point so that the actions	573	Like EV::periodic, but randomly selects a starting point so that the actions
399	get spread over timer.	574	get spread over time.
400		575
401	=cut	576	=cut
402		577
403	sub periodic($$) {	578	sub periodic($$) {
404	my ($interval, $cb) = @_;	579	my ($interval, $cb) = @_;
…		…
408	EV::periodic $start, $interval, 0, $cb	583	EV::periodic $start, $interval, 0, $cb
409	}	584	}
410		585
411	=item cf::get_slot $time[, $priority[, $name]]	586	=item cf::get_slot $time[, $priority[, $name]]
412		587
413	Allocate $time seconds of blocking CPU time at priority C<$priority>:	588	Allocate $time seconds of blocking CPU time at priority C<$priority>
414	This call blocks and returns only when you have at least C<$time> seconds	589	(default: 0): This call blocks and returns only when you have at least
415	of cpu time till the next tick. The slot is only valid till the next cede.	590	C<$time> seconds of cpu time till the next tick. The slot is only valid
		591	till the next cede.
		592
		593	Background jobs should use a priority less than zero, interactive jobs
		594	should use 100 or more.
416		595
417	The optional C<$name> can be used to identify the job to run. It might be	596	The optional C<$name> can be used to identify the job to run. It might be
418	used for statistical purposes and should identify the same time-class.	597	used for statistical purposes and should identify the same time-class.
419		598
420	Useful for short background jobs.	599	Useful for short background jobs.
421		600
422	=cut	601	=cut
423		602
424	our @SLOT_QUEUE;	603	our @SLOT_QUEUE;
425	our $SLOT_QUEUE;	604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
426		606
427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
428	$SLOT_QUEUE = Coro::async {	608	$SLOT_QUEUE = Coro::async {
429	$Coro::current->desc ("timeslot manager");	609	$Coro::current->desc ("timeslot manager");
430		610
431	my $signal = new Coro::Signal;	611	my $signal = new Coro::Signal;
		612	my $busy;
432		613
433	while () {	614	while () {
434	next_job:	615	next_job:
		616
		617	Coro::cede;
		618
435	my $avail = cf::till_tick;	619	my $avail = cf::till_tick;
436	if ($avail > 0.01) {	620
437	for (0 .. $#SLOT_QUEUE) {	621	for (0 .. $#SLOT_QUEUE) {
438	if ($SLOT_QUEUE[$_][0] < $avail) {	622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
439	my $job = splice @SLOT_QUEUE, $_, 1, ();	624	my $job = splice @SLOT_QUEUE, $_, 1, ();
440	$job->[2]->send;	625	$job->[2]->send;
441	Coro::cede;
442	goto next_job;	626	goto next_job;
443	}	627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
444	}	629	}
445	}	630	}
446		631
447	if (@SLOT_QUEUE) {	632	if (@SLOT_QUEUE) {
448	# we do not use wait_for_tick() as it returns immediately when tick is inactive	633	wait_for_tick;
449	push @cf::WAIT_FOR_TICK, $signal;
450	$signal->wait;
451	} else {	634	} else {
		635	$busy = 0;
452	Coro::schedule;	636	Coro::schedule;
453	}	637	}
454	}	638	}
455	};	639	};
456		640
457	sub get_slot($;$$) {	641	sub get_slot($;$$) {
458	return if tick_inhibit || $Coro::current == $Coro::main;	642	return if tick_inhibit || $Coro::current == $Coro::main;
459		643
460	my ($time, $pri, $name) = @_;	644	my ($time, $pri, $name) = @_;
461		645
462	$time = $TICK * .6 if $time > $TICK * .6;	646	$time = clamp $time, 0.01, $TICK * .6;
		647
463	my $sig = new Coro::Signal;	648	my $sig = new Coro::Signal;
464		649
465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	650	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	651	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
467	$SLOT_QUEUE->ready;	652	$SLOT_QUEUE->ready;
…		…
479	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
480		665
481	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
482		667
483	The design of Deliantra requires that the main coroutine ($Coro::main)	668	The design of Deliantra requires that the main coroutine ($Coro::main)
484	is always able to handle events or runnable, as Deliantra is only	669	is always able to handle events or is runnable, as Deliantra is only
485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	670	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
486	acceptable.	671	acceptable.
487		672
488	If it must be done, put the blocking parts into C<sync_job>. This will run	673	If it must be done, put the blocking parts into C<sync_job>. This will run
489	the given BLOCK in another coroutine while waiting for the result. The	674	the given BLOCK in another coroutine while waiting for the result. The
…		…
493	=cut	678	=cut
494		679
495	sub sync_job(&) {	680	sub sync_job(&) {
496	my ($job) = @_;	681	my ($job) = @_;
497		682
498	if ($Coro::current == $Coro::main) {	683	if (in_main) {
499	my $time = EV::time;	684	my $time = AE::time;
500		685
501	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
502	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
503		688
504	LOG llevError, Carp::longmess "sync job";#d#	689	#LOG llevError, Carp::longmess "sync job";#d#
505		690
506	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
507		692
508	my $busy = 1;	693	my $busy = 1;
509	my @res;	694	my @res;
510		695
511	(async {	696	(async {
512	$Coro::current->desc ("sync job coro");	697	$Coro::current->desc ("sync job coro");
513	@res = eval { $job->() };	698	@res = eval { $job->() };
514	warn $@ if $@;	699	error $@ if $@;
515	undef $busy;	700	undef $busy;
516	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
517		702
518	while ($busy) {	703	while ($busy) {
519	if (Coro::nready) {	704	if (Coro::nready) {
520	Coro::cede_notself;	705	Coro::cede_notself;
521	} else {	706	} else {
522	EV::loop EV::LOOP_ONESHOT;	707	EV::run EV::RUN_ONCE;
523	}	708	}
524	}	709	}
525		710
526	my $time = EV::time - $time;	711	my $time = AE::time - $time;
527		712
528	$TICK_START += $time; # do not account sync jobs to server load	713	$TICK_START += $time; # do not account sync jobs to server load
529		714
530	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
531	} else {	716	} else {
…		…
553	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
554		739
555	$coro	740	$coro
556	}	741	}
557		742
558	=item fork_call { }, $args	743	=item fork_call { }, @args
559		744
560	Executes the given code block with the given arguments in a seperate	745	Executes the given code block with the given arguments in a seperate
561	process, returning the results. Everything must be serialisable with	746	process, returning the results. Everything must be serialisable with
562	Coro::Storable. May, of course, block. Note that the executed sub may	747	Coro::Storable. May, of course, block. Note that the executed sub may
563	never block itself or use any form of event handling.	748	never block itself or use any form of event handling.
564		749
565	=cut	750	=cut
566		751
		752	sub post_fork {
		753	reset_signals;
		754	}
		755
567	sub fork_call(&@) {	756	sub fork_call(&@) {
568	my ($cb, @args) = @_;	757	my ($cb, @args) = @_;
569		758
570	# we seemingly have to make a local copy of the whole thing,
571	# otherwise perl prematurely frees the stuff :/
572	# TODO: investigate and fix (likely this will be rather laborious)
573
574	my @res = Coro::Util::fork_eval {	759	my @res = Coro::Util::fork_eval {
575	reset_signals;	760	cf::post_fork;
576	&$cb	761	&$cb
577	}, @args;	762	} @args;
578		763
579	wantarray ? @res : $res[-1]	764	wantarray ? @res : $res[-1]
		765	}
		766
		767	sub objinfo {
		768	(
		769	"counter value" => cf::object::object_count,
		770	"objects created" => cf::object::create_count,
		771	"objects destroyed" => cf::object::destroy_count,
		772	"freelist size" => cf::object::free_count,
		773	"allocated objects" => cf::object::objects_size,
		774	"active objects" => cf::object::actives_size,
		775	)
580	}	776	}
581		777
582	=item $coin = coin_from_name $name	778	=item $coin = coin_from_name $name
583		779
584	=cut	780	=cut
…		…
621	within each server.	817	within each server.
622		818
623	=cut	819	=cut
624		820
625	sub db_table($) {	821	sub db_table($) {
		822	cf::error "db_get called from main context"
		823	if $Coro::current == $Coro::main;
		824
626	my ($name) = @_;	825	my ($name) = @_;
627	my $db = BDB::db_create $DB_ENV;	826	my $db = BDB::db_create $DB_ENV;
628		827
629	eval {	828	eval {
630	$db->set_flags (BDB::CHKSUM);	829	$db->set_flags (BDB::CHKSUM);
…		…
640	}	839	}
641		840
642	our $DB;	841	our $DB;
643		842
644	sub db_init {	843	sub db_init {
645	cf::sync_job {
646	$DB ||= db_table "db";	844	$DB ||= db_table "db";
647	};
648	}	845	}
649		846
650	sub db_get($$) {	847	sub db_get($$) {
651	my $key = "$_[0]/$_[1]";	848	my $key = "$_[0]/$_[1]";
652		849
653	cf::sync_job {	850	cf::error "db_get called from main context"
		851	if $Coro::current == $Coro::main;
		852
654	BDB::db_get $DB, undef, $key, my $data;	853	BDB::db_get $DB, undef, $key, my $data;
655		854
656	$! ? ()	855	$! ? ()
657	: $data	856	: $data
658	}
659	}	857	}
660		858
661	sub db_put($$$) {	859	sub db_put($$$) {
662	BDB::dbreq_pri 4;	860	BDB::dbreq_pri 4;
663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
691		889
692	my @data;	890	my @data;
693	my $md5;	891	my $md5;
694		892
695	for (0 .. $#$src) {	893	for (0 .. $#$src) {
696	0 <= aio_load $src->[$_], $data[$_]	894	$data[$_] = load_file $src->[$_];
697	or Carp::croak "$src->[$_]: $!";
698	}	895	}
699		896
700	# if processing is expensive, check	897	# if processing is expensive, check
701	# checksum first	898	# checksum first
702	if (1) {	899	if (1) {
…		…
715		912
716	return db_get cache => "$id/data";	913	return db_get cache => "$id/data";
717	}	914	}
718	}	915	}
719		916
720	my $t1 = Time::HiRes::time;	917	my $t1 = EV::time;
721	my $data = $process->(\@data);	918	my $data = $process->(\@data);
722	my $t2 = Time::HiRes::time;	919	my $t2 = EV::time;
723		920
724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	921	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
725		922
726	db_put cache => "$id/data", $data;	923	db_put cache => "$id/data", $data;
727	db_put cache => "$id/md5" , $md5;	924	db_put cache => "$id/md5" , $md5;
728	db_put cache => "$id/meta", $meta;	925	db_put cache => "$id/meta", $meta;
729		926
…		…
739		936
740	=cut	937	=cut
741		938
742	sub datalog($@) {	939	sub datalog($@) {
743	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
744	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
745	}	942	}
746		943
747	=back	944	=back
748		945
749	=cut	946	=cut
…		…
944		1141
945	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
946	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
947		1144
948	} elsif (ref $type) {	1145	} elsif (ref $type) {
949	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
950		1147
951	} else {	1148	} else {
952	shift @arg;	1149	shift @arg;
953	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
954	}	1151	}
955	}	1152	}
956	}	1153	}
957		1154
958	sub _object_attach {	1155	sub _object_attach {
…		…
968	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
969	}	1166	}
970		1167
971	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
972	} else {	1169	} else {
973	warn "object uses attachment '$name' which is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
974	}	1171	}
975		1172
976	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
977	}	1174	}
978		1175
…		…
1037		1234
1038	for (@$callbacks) {	1235	for (@$callbacks) {
1039	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
1040		1237
1041	if ($@) {	1238	if ($@) {
1042	warn "$@";
1043	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1044	override;	1240	override;
1045	}	1241	}
1046		1242
1047	return 1 if $override;	1243	return 1 if $override;
1048	}	1244	}
…		…
1127	for (@$attach) {	1323	for (@$attach) {
1128	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
1129	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
1130	}	1326	}
1131	} else {	1327	} else {
1132	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
1133	}	1329	}
1134	}	1330	}
1135	}	1331	}
1136		1332
1137	cf::attachable->attach (	1333	cf::attachable->attach (
…		…
1164	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
1165		1361
1166	sync_job {	1362	sync_job {
1167	if (length $$rdata) {	1363	if (length $$rdata) {
1168	utf8::decode (my $decname = $filename);	1364	utf8::decode (my $decname = $filename);
1169	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
1170	$decname, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
1171		1368
1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1173	aio_chmod $fh, SAVE_MODE;	1370	aio_chmod $fh, SAVE_MODE;
1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1175	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	}
1176	aio_close $fh;	1376	aio_close $fh;
1177		1377
1178	if (@$objs) {	1378	if (@$objs) {
1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1379	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1180	aio_chmod $fh, SAVE_MODE;	1380	aio_chmod $fh, SAVE_MODE;
1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1182	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
1183	aio_fsync $fh if $cf::USE_FSYNC;	1383	if ($cf::USE_FSYNC) {
		1384	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;
		1385	aio_fsync $fh;
		1386	}
1184	aio_close $fh;	1387	aio_close $fh;
1185	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
1186	}	1389	}
1187	} else {	1390	} else {
1188	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
1189	}	1392	}
1190		1393
1191	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
1192		1395
1193	$filename =~ s%/[^/]+$%%;	1396	$filename =~ s%/[^/]+$%%;
1194	aio_pathsync $filename;	1397	aio_pathsync $filename if $cf::USE_FSYNC;
1195	} else {	1398	} else {
1196	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
1197	}	1400	}
1198	} else {	1401	} else {
1199	aio_unlink $filename;	1402	aio_unlink $filename;
1200	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
1201	}	1404	}
…		…
1225	my $st = eval { Coro::Storable::thaw $av };	1428	my $st = eval { Coro::Storable::thaw $av };
1226	$av = $st->{objs};	1429	$av = $st->{objs};
1227	}	1430	}
1228		1431
1229	utf8::decode (my $decname = $filename);	1432	utf8::decode (my $decname = $filename);
1230	warn sprintf "loading %s (%d,%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
1231	$decname, length $data, scalar @{$av || []};	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
1232		1436
1233	($data, $av)	1437	($data, $av)
1234	}	1438	}
1235		1439
1236	=head2 COMMAND CALLBACKS	1440	=head2 COMMAND CALLBACKS
…		…
1240	=cut	1444	=cut
1241		1445
1242	#############################################################################	1446	#############################################################################
1243	# command handling &c	1447	# command handling &c
1244		1448
1245	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
1246		1450
1247	Register a callback for execution when the client sends the user command	1451	Register a callback for execution when the client sends the user command
1248	$name.	1452	$name.
1249		1453
1250	=cut	1454	=cut
…		…
1256	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
1257		1461
1258	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
1259	}	1463	}
1260		1464
1261	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
1262		1466
1263	Register a callback for execution when the client sends an (synchronous)	1467	Register a callback for execution when the client sends an (synchronous)
1264	extcmd packet. Ext commands will be processed in the order they are	1468	extcmd packet. Ext commands will be processed in the order they are
1265	received by the server, like other user commands. The first argument is	1469	received by the server, like other user commands. The first argument is
1266	the logged-in player. Ext commands can only be processed after a player	1470	the logged-in player. Ext commands can only be processed after a player
1267	has logged in successfully.	1471	has logged in successfully.
1268		1472
1269	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1270	called.
1271		1474
		1475	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
1272	=item cf::register_exticmd $name => \&callback($ns,$packet);	1480	=item cf::register_exticmd $name => \&callback($ns,@args)
1273		1481
1274	Register a callback for execution when the client sends an (asynchronous)	1482	Register a callback for execution when the client sends an (asynchronous)
1275	exticmd packet. Exti commands are processed by the server as soon as they	1483	exticmd packet. Exti commands are processed by the server as soon as they
1276	are received, i.e. out of order w.r.t. other commands. The first argument	1484	are received, i.e. out of order w.r.t. other commands. The first argument
1277	is a client socket. Exti commands can be received anytime, even before	1485	is a client socket. Exti commands can be received anytime, even before
1278	log-in.	1486	log-in.
1279		1487
1280	If the callback returns something, it is sent back as if reply was being	1488	The values will be sent back to the client.
1281	called.
1282		1489
1283	=cut	1490	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1284		1491
		1492	Same as C<cf::register_extcmd>, but instead of returning values, the
		1493	callback needs to clal the C<$reply> function.
		1494
		1495	=cut
		1496
1285	sub register_extcmd {	1497	sub register_extcmd($$) {
1286	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
1287		1499
1288	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
1289	}	1501	}
1290		1502
1291	sub register_exticmd {	1503	sub register_async_extcmd($$) {
1292	my ($name, $cb) = @_;	1504	my ($name, $cb) = @_;
1293		1505
		1506	$EXTACMD{$name} = $cb;
		1507	}
		1508
		1509	sub register_exticmd($$) {
		1510	my ($name, $cb) = @_;
		1511
1294	$EXTICMD{$name} = $cb;	1512	$EXTICMD{$name} = $cb;
1295	}	1513	}
1296		1514
		1515	sub register_async_exticmd($$) {
		1516	my ($name, $cb) = @_;
		1517
		1518	$EXTIACMD{$name} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
1297	cf::player->attach (	1523	cf::player->attach (
1298	on_command => sub {	1524	on_unknown_command => sub {
1299	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
1300		1526
1301	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
1302	or return;	1528	or return;
1303		1529
…		…
1311	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
1312		1538
1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1314		1540
1315	if (ref $msg) {	1541	if (ref $msg) {
1316	my ($type, $reply, @payload) =	1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1317	"ARRAY" eq ref $msg
1318	? @$msg
1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1320		1543
1321	my @reply;
1322
1323	if (my $cb = $EXTCMD{$type}) {	1544	if (my $cb = $EXTACMD{$type}) {
		1545	$cb->(
		1546	$pl,
		1547	sub {
		1548	$pl->ext_msg ("reply-$reply", @_)
		1549	if $reply;
		1550	},
		1551	@payload
		1552	);
		1553	} else {
		1554	my @reply;
		1555
		1556	if (my $cb = $EXTCMD{$type}) {
1324	@reply = $cb->($pl, @payload);	1557	@reply = $cb->($pl, @payload);
		1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
1325	}	1562	}
1326		1563
1327	$pl->ext_reply ($reply, @reply)
1328	if $reply;
1329
1330	} else {	1564	} else {
1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1332	}	1566	}
1333		1567
1334	cf::override;	1568	cf::override;
1335	},	1569	},
1336	);	1570	);
1337		1571
		1572	# "readahead" all extensions
		1573	sub cache_extensions {
		1574	my $grp = IO::AIO::aio_group;
		1575
		1576	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1577	for (grep /\.ext$/, @{$_[0]}) {
		1578	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1579	}
		1580	};
		1581
		1582	$grp
		1583	}
		1584
		1585	sub _ext_cfg_reg($$$$) {
		1586	my ($rvar, $varname, $cfgname, $default) = @_;
		1587
		1588	$cfgname = lc $varname
		1589	unless length $cfgname;
		1590
		1591	$EXT_CFG{$cfgname} = [$rvar, $default];
		1592
		1593	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1594	}
		1595
1338	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
1339	cf::sync_job {	1601	cf::sync_job {
1340	my %todo;	1602	my %todo;
1341		1603
1342	for my $path (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
1343	next unless -r $path;	1605	next unless -r $path;
…		…
1361		1623
1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1624	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1625	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1364		1626
1365	$ext{source} =	1627	$ext{source} =
1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1628	"package $pkg; use common::sense;\n"
1367	. "#line 1 \"$path\"\n{\n"	1629	. "#line 1 \"$path\"\n{\n"
1368	. $source	1630	. $source
1369	. "\n};\n1";	1631	. "\n};\n1";
1370		1632
1371	$todo{$base} = \%ext;	1633	$todo{$base} = \%ext;
1372	}	1634	}
1373		1635
		1636	my $pass = 0;
1374	my %done;	1637	my %done;
1375	while (%todo) {	1638	while (%todo) {
1376	my $progress;	1639	my $progress;
1377		1640
		1641	++$pass;
		1642
		1643	ext:
1378	while (my ($k, $v) = each %todo) {	1644	while (my ($k, $v) = each %todo) {
1379	for (split /,\s*/, $v->{meta}{depends}) {	1645	for (split /,\s*/, $v->{meta}{depends}) {
1380	goto skip	1646	next ext
1381	unless exists $done{$_};	1647	unless exists $done{$_};
1382	}	1648	}
1383		1649
1384	warn "... loading '$k' into '$v->{pkg}'\n";	1650	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1385		1651
1386	unless (eval $v->{source}) {	1652	my $source = $v->{source};
		1653
		1654	# support "CONF varname :confname = default" pseudo-statements
		1655	$source =~ s{
		1656	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1657	}{
		1658	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1659	}gmxe;
		1660
		1661	my $active = eval $source;
		1662
		1663	if (length $@) {
1387	my $msg = $@ ? "$v->{path}: $@\n"	1664	error "$v->{path}: $@\n";
1388	: "$v->{base}: extension inactive.\n";
1389		1665
1390	if (exists $v->{meta}{mandatory}) {
1391	warn $msg;
1392	cf::cleanup "mandatory extension failed to load, exiting.";	1666	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1393	}	1667	if exists $v->{meta}{mandatory};
1394		1668
1395	warn $msg;	1669	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1670	delete $todo{$k};
		1671	} else {
		1672	$done{$k} = delete $todo{$k};
		1673	push @EXTS, $v->{pkg};
		1674	$progress = 1;
		1675
		1676	info "$v->{base}: extension inactive.\n"
		1677	unless $active;
1396	}	1678	}
1397
1398	$done{$k} = delete $todo{$k};
1399	push @EXTS, $v->{pkg};
1400	$progress = 1;
1401	}	1679	}
1402		1680
1403	skip:	1681	unless ($progress) {
1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1682	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1405	unless $progress;	1683
		1684	while (my ($k, $v) = each %todo) {
		1685	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1686	if exists $v->{meta}{mandatory};
		1687	}
		1688
		1689	last;
		1690	}
1406	}	1691	}
1407	};	1692	};
1408	}	1693	}
1409		1694
1410	#############################################################################	1695	#############################################################################
…		…
1494	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1495	}	1780	}
1496	}	1781	}
1497	}	1782	}
1498		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($pl, $path) = @_;
		1787
		1788	# restore slots saved in save, below
		1789	my $slots = delete $pl->{_slots};
		1790
		1791	$pl->ob->current_weapon ($slots->[0]);
		1792	$pl->combat_ob ($slots->[1]);
		1793	$pl->ranged_ob ($slots->[2]);
		1794	},
		1795	);
		1796
1499	sub save($) {	1797	sub save($) {
1500	my ($pl) = @_;	1798	my ($pl) = @_;
1501		1799
1502	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
1503		1801
…		…
1508		1806
1509	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1510	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
1511		1809
1512	cf::get_slot 0.01;	1810	cf::get_slot 0.01;
		1811
		1812	# save slots, to be restored later
		1813	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1513		1814
1514	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1515	cf::cede_to_tick;	1816	cf::cede_to_tick;
1516	}	1817	}
1517		1818
…		…
1551	my $name = $pl->ob->name;	1852	my $name = $pl->ob->name;
1552		1853
1553	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir	1855	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1555		1856
1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1557	$pl->deactivate;	1858	$pl->deactivate;
		1859
1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1860	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1559	$pl->ob->check_score;
1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1561	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1562		1865
1563	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1564	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1565	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
…		…
1619	\@logins	1922	\@logins
1620	}	1923	}
1621		1924
1622	=item $player->maps	1925	=item $player->maps
1623		1926
		1927	=item cf::player::maps $login
		1928
1624	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1625	player. May block.	1930	player. May block.
1626		1931
1627	=cut	1932	=cut
1628		1933
…		…
1649		1954
1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)	1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1651		1956
1652	Expand deliantra pod fragments into protocol xml.	1957	Expand deliantra pod fragments into protocol xml.
1653		1958
1654	=item $player->ext_reply ($msgid, @msg)
1655
1656	Sends an ext reply to the player.
1657
1658	=cut
1659
1660	sub ext_reply($$@) {
1661	my ($self, $id, @msg) = @_;
1662
1663	$self->ns->ext_reply ($id, @msg)
1664	}
1665
1666	=item $player->ext_msg ($type, @msg)	1959	=item $player->ext_msg ($type, @msg)
1667		1960
1668	Sends an ext event to the client.	1961	Sends an ext event to the client.
1669		1962
1670	=cut	1963	=cut
…		…
1689		1982
1690	=cut	1983	=cut
1691		1984
1692	sub find_by_path($) {	1985	sub find_by_path($) {
1693	my ($path) = @_;	1986	my ($path) = @_;
		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
1694		1989
1695	my ($match, $specificity);	1990	my ($match, $specificity);
1696		1991
1697	for my $region (list) {	1992	for my $region (list) {
1698	if ($region->{match} && $path =~ $region->{match}) {	1993	if ($region->{match} && $path =~ $region->{match}) {
…		…
1727	sub generate_random_map {	2022	sub generate_random_map {
1728	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1729		2024
1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2025	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1731		2026
1732	# mit "rum" bekleckern, nicht
1733	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1737	$rmp->{exit_on_final_map},
1738	$rmp->{xsize}, $rmp->{ysize},
1739	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1740	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1741	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1742	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1743	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1744	(cf::region::find $rmp->{region}), $rmp->{custom}
1745	)
1746	}	2028	}
1747		2029
1748	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1749		2031
1750	Register a handler for the map path matching the given regex at the	2032	Register a handler for the map path matching the given regex at the
…		…
1755		2037
1756	sub register {	2038	sub register {
1757	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1758	my $pkg = caller;	2040	my $pkg = caller;
1759		2041
1760	no strict;
1761	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1762		2043
1763	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1764	}	2045	}
1765		2046
1766	# also paths starting with '/'	2047	# also paths starting with '/'
1767	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1768		2049
1769	sub thawer_merge {	2050	sub thawer_merge {
1770	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1771		2052
1772	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
…		…
1777	}	2058	}
1778		2059
1779	sub normalise {	2060	sub normalise {
1780	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1781		2062
1782	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1783		2064
1784	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1785		2066
1786	# map plan:	2067	# map plan:
1787	#	2068	#
…		…
1802	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1803	$path = "$base/$path";	2084	$path = "$base/$path";
1804	}	2085	}
1805		2086
1806	for ($path) {	2087	for ($path) {
1807	redo if s{//}{/};
1808	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1809	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1810	}	2090	}
1811		2091
1812	$path	2092	$path
…		…
1826	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1827	return $self;	2107	return $self;
1828	}	2108	}
1829	}	2109	}
1830		2110
1831	Carp::cluck "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1832	()	2112	()
1833	}	2113	}
1834		2114
		2115	# may re-bless or do other evil things
1835	sub init {	2116	sub init {
1836	my ($self) = @_;	2117	my ($self) = @_;
1837		2118
1838	$self	2119	$self
1839	}	2120	}
…		…
1870		2151
1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1872	"$UNIQUEDIR/$path"	2153	"$UNIQUEDIR/$path"
1873	}	2154	}
1874		2155
1875	# and all this just because we cannot iterate over
1876	# all maps in C++...
1877	sub change_all_map_light {
1878	my ($change) = @_;
1879
1880	$_->change_map_light ($change)
1881	for grep $_->outdoor, values %cf::MAP;
1882	}
1883
1884	sub decay_objects {	2156	sub decay_objects {
1885	my ($self) = @_;	2157	my ($self) = @_;
1886		2158
1887	return if $self->{deny_reset};	2159	return if $self->{deny_reset};
1888		2160
…		…
1913	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1914		2186
1915	1	2187	1
1916	}	2188	}
1917		2189
		2190	# used to laod the header of an original map
1918	sub load_header_orig {	2191	sub load_header_orig {
1919	my ($self) = @_;	2192	my ($self) = @_;
1920		2193
1921	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1922	}	2195	}
1923		2196
		2197	# used to laod the header of an instantiated map
1924	sub load_header_temp {	2198	sub load_header_temp {
1925	my ($self) = @_;	2199	my ($self) = @_;
1926		2200
1927	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1928	}	2202	}
1929		2203
		2204	# called after loading the header from an instantiated map
1930	sub prepare_temp {	2205	sub prepare_temp {
1931	my ($self) = @_;	2206	my ($self) = @_;
1932		2207
1933	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1934	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1935	# safety	2210	# safety
1936	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
1937	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
1938	}	2213	}
1939		2214
		2215	# called after loading the header from an original map
1940	sub prepare_orig {	2216	sub prepare_orig {
1941	my ($self) = @_;	2217	my ($self) = @_;
1942		2218
1943	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
1944	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1968		2244
1969	sub find;	2245	sub find;
1970	sub find {	2246	sub find {
1971	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
1972		2248
		2249	cf::cede_to_tick;
		2250
1973	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
1974		2252
1975	cf::lock_wait "map_data:$path";#d#remove	2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1976	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
1977		2255
1978	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1980	my $guard2 = cf::lock_acquire "map_find:$path";
1981
1982	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
1983	or return;	2258	or return;
1984		2259
1985	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
1986		2261
…		…
1998		2273
1999	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
2000	}	2275	}
2001	}	2276	}
2002		2277
2003	sub pre_load { }	2278	sub pre_load { }
2004	sub post_load { }	2279	#sub post_load { } # XS
2005		2280
2006	sub load {	2281	sub load {
2007	my ($self) = @_;	2282	my ($self) = @_;
2008		2283
2009	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2012		2287
2013	{	2288	{
2014	my $guard = cf::lock_acquire "map_data:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
2015		2290
2016	return unless $self->valid;	2291	return unless $self->valid;
2017	return unless $self->in_memory == cf::MAP_SWAPPED;	2292	return unless $self->state == cf::MAP_SWAPPED;
2018
2019	$self->in_memory (cf::MAP_LOADING);
2020		2293
2021	$self->alloc;	2294	$self->alloc;
2022		2295
2023	$self->pre_load;	2296	$self->pre_load;
2024	cf::cede_to_tick;	2297	cf::cede_to_tick;
2025		2298
		2299	if (exists $self->{load_path}) {
2026	my $f = new_from_file cf::object::thawer $self->{load_path};	2300	my $f = new_from_file cf::object::thawer $self->{load_path};
2027	$f->skip_block;	2301	$f->skip_block;
2028	$self->_load_objects ($f)	2302	$self->_load_objects ($f)
2029	or return;	2303	or return;
2030		2304
2031	$self->post_load_original	2305	$self->post_load_original
2032	if delete $self->{load_original};	2306	if delete $self->{load_original};
2033		2307
2034	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
2035	utf8::encode $uniq;	2309	utf8::encode $uniq;
2036	unless (aio_stat $uniq) {	2310	unless (aio_stat $uniq) {
2037	if (my $f = new_from_file cf::object::thawer $uniq) {	2311	if (my $f = new_from_file cf::object::thawer $uniq) {
2038	$self->clear_unique_items;	2312	$self->clear_unique_items;
2039	$self->_load_objects ($f);	2313	$self->_load_objects ($f);
2040	$f->resolve_delayed_derefs;	2314	$f->resolve_delayed_derefs;
		2315	}
2041	}	2316	}
2042	}	2317	}
2043	}
2044		2318
2045	$f->resolve_delayed_derefs;	2319	$f->resolve_delayed_derefs;
		2320	} else {
		2321	$self->post_load_original
		2322	if delete $self->{load_original};
		2323	}
		2324
		2325	$self->state (cf::MAP_INACTIVE);
2046		2326
2047	cf::cede_to_tick;	2327	cf::cede_to_tick;
2048	# now do the right thing for maps	2328	# now do the right thing for maps
2049	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
2050	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
…		…
2054	unless ($self->{deny_activate}) {	2334	unless ($self->{deny_activate}) {
2055	$self->decay_objects;	2335	$self->decay_objects;
2056	$self->fix_auto_apply;	2336	$self->fix_auto_apply;
2057	$self->update_buttons;	2337	$self->update_buttons;
2058	cf::cede_to_tick;	2338	cf::cede_to_tick;
2059	$self->set_darkness_map;	2339	#$self->activate; # no longer activate maps automatically
2060	cf::cede_to_tick;
2061	$self->activate;
2062	}	2340	}
2063		2341
2064	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
2065	$self->last_access ($cf::RUNTIME);	2343	$self->last_access ($cf::RUNTIME);
2066
2067	$self->in_memory (cf::MAP_ACTIVE);
2068	}	2344	}
2069		2345
2070	$self->post_load;	2346	$self->post_load;
2071	}
2072		2347
		2348	1
		2349	}
		2350
		2351	# customize the map for a given player, i.e.
		2352	# return the _real_ map. used by e.g. per-player
		2353	# maps to change the path to ~playername/mappath
2073	sub customise_for {	2354	sub customise_for {
2074	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
2075		2356
2076	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
2077	if $self->per_player;	2358	if $self->per_player;
…		…
2080	# if $self->per_party;	2361	# if $self->per_party;
2081		2362
2082	$self	2363	$self
2083	}	2364	}
2084		2365
2085	# find and load all maps in the 3x3 area around a map
2086	sub load_neighbours {
2087	my ($map) = @_;
2088
2089	my @neigh; # diagonal neighbours
2090
2091	for (0 .. 3) {
2092	my $neigh = $map->tile_path ($_)
2093	or next;
2094	$neigh = find $neigh, $map
2095	or next;
2096	$neigh->load;
2097
2098	push @neigh,
2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2101	}
2102
2103	for (grep defined $_->[0], @neigh) {
2104	my ($path, $origin) = @$_;
2105	my $neigh = find $path, $origin
2106	or next;
2107	$neigh->load;
2108	}
2109	}
2110
2111	sub find_sync {	2366	sub find_sync {
2112	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
2113		2368
2114	cf::sync_job { find $path, $origin }	2369	# it's a bug to call this from the main context
		2370	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2371	if $Coro::current == $Coro::main;
		2372
		2373	find $path, $origin
2115	}	2374	}
2116		2375
2117	sub do_load_sync {	2376	sub do_load_sync {
2118	my ($map) = @_;	2377	my ($map) = @_;
2119		2378
		2379	# it's a bug to call this from the main context
2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2380	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2121	if $Coro::current == $Coro::main;	2381	if $Coro::current == $Coro::main;
2122		2382
2123	cf::sync_job { $map->load };	2383	$map->load;
2124	}	2384	}
2125		2385
2126	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
2127	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
2128		2388
2129	sub find_async {	2389	sub find_async {
2130	my ($path, $origin, $load) = @_;	2390	my ($path, $origin, $load) = @_;
2131		2391
2132	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
2133		2393
2134	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2395	return $map if !$load || $map->linkable;
2136	}	2396	}
2137		2397
2138	$MAP_PREFETCH{$path} |= $load;	2398	$MAP_PREFETCH{$path} |= $load;
2139		2399
2140	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
2141	$Coro::current->{desc} = "map prefetcher";	2401	$Coro::current->{desc} = "map prefetcher";
2142		2402
2143	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
2144	while (my ($k, $v) = each %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
2145	if (my $map = find $k) {	2405	if (my $map = find $k) {
2146	$map->load if $v;	2406	$map->load if $MAP_PREFETCH{$k};
2147	}	2407	}
2148		2408
2149	delete $MAP_PREFETCH{$k};	2409	delete $MAP_PREFETCH{$k};
2150	}	2410	}
2151	}	2411	}
…		…
2154	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
2155		2415
2156	()	2416	()
2157	}	2417	}
2158		2418
		2419	# common code, used by both ->save and ->swapout
2159	sub save {	2420	sub _save {
2160	my ($self) = @_;	2421	my ($self) = @_;
2161
2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
2163		2422
2164	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
2165		2424
2166	return unless $self->dirty;	2425	return unless $self->dirty;
2167		2426
…		…
2187	} else {	2446	} else {
2188	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2447	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2189	}	2448	}
2190	}	2449	}
2191		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
2192	sub swap_out {	2459	sub swap_out {
2193	my ($self) = @_;	2460	my ($self) = @_;
2194		2461
2195	# save first because save cedes
2196	$self->save;
2197
2198	my $lock = cf::lock_acquire "map_data:$self->{path}";	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
2199		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
2200	return if $self->players;	2466	return if $self->players;
2201	return if $self->in_memory != cf::MAP_ACTIVE;	2467
		2468	# first deactivate the map and "unlink" it from the core
		2469	$self->deactivate;
		2470	$_->clear_links_to ($self) for values %cf::MAP;
		2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# then atomically save
		2474	$self->_save;
		2475
		2476	# then free the map
		2477	$self->clear;
		2478	}
		2479
		2480	sub reset_at {
		2481	my ($self) = @_;
		2482
		2483	# TODO: safety, remove and allow resettable per-player maps
2202	return if $self->{deny_save};	2484	return 1e99 if $self->{deny_reset};
2203		2485
		2486	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2487	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2488
		2489	$time + $to
		2490	}
		2491
		2492	sub should_reset {
		2493	my ($self) = @_;
		2494
		2495	$self->reset_at <= $cf::RUNTIME
		2496	}
		2497
		2498	sub reset {
		2499	my ($self) = @_;
		2500
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
		2503	return if $self->players;
		2504
		2505	cf::trace "resetting map ", $self->path, "\n";
		2506
2204	$self->in_memory (cf::MAP_SWAPPED);	2507	$self->state (cf::MAP_SWAPPED);
		2508
		2509	# need to save uniques path
		2510	unless ($self->{deny_save}) {
		2511	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2512
		2513	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2514	if $uniq;
		2515	}
		2516
		2517	delete $cf::MAP{$self->path};
2205		2518
2206	$self->deactivate;	2519	$self->deactivate;
2207	$_->clear_links_to ($self) for values %cf::MAP;	2520	$_->clear_links_to ($self) for values %cf::MAP;
2208	$self->clear;	2521	$self->clear;
2209	}
2210
2211	sub reset_at {
2212	my ($self) = @_;
2213
2214	# TODO: safety, remove and allow resettable per-player maps
2215	return 1e99 if $self->{deny_reset};
2216
2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2218	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2219
2220	$time + $to
2221	}
2222
2223	sub should_reset {
2224	my ($self) = @_;
2225
2226	$self->reset_at <= $cf::RUNTIME
2227	}
2228
2229	sub reset {
2230	my ($self) = @_;
2231
2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
2233
2234	return if $self->players;
2235
2236	warn "resetting map ", $self->path;
2237
2238	$self->in_memory (cf::MAP_SWAPPED);
2239
2240	# need to save uniques path
2241	unless ($self->{deny_save}) {
2242	my $uniq = $self->uniq_path; utf8::encode $uniq;
2243
2244	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2245	if $uniq;
2246	}
2247
2248	delete $cf::MAP{$self->path};
2249
2250	$self->deactivate;
2251	$_->clear_links_to ($self) for values %cf::MAP;
2252	$self->clear;
2253		2522
2254	$self->unlink_save;	2523	$self->unlink_save;
2255	$self->destroy;	2524	$self->destroy;
2256	}	2525	}
2257		2526
…		…
2265		2534
2266	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
2267		2536
2268	$self->unlink_save;	2537	$self->unlink_save;
2269		2538
2270	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
2271	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
2272	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
2273	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2275		2544
…		…
2332	: normalise $_	2601	: normalise $_
2333	} @{ aio_readdir $UNIQUEDIR or [] }	2602	} @{ aio_readdir $UNIQUEDIR or [] }
2334	]	2603	]
2335	}	2604	}
2336		2605
		2606	=item cf::map::static_maps
		2607
		2608	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2609	file in the shared directory excluding F</styles> and F</editor>). May
		2610	block.
		2611
		2612	=cut
		2613
		2614	sub static_maps() {
		2615	my @dirs = "";
		2616	my @maps;
		2617
		2618	while (@dirs) {
		2619	my $dir = shift @dirs;
		2620
		2621	next if $dir eq "/styles" || $dir eq "/editor";
		2622
		2623	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2624	or return;
		2625
		2626	for (@$files) {
		2627	s/\.map$// or next;
		2628	utf8::decode $_;
		2629	push @maps, "$dir/$_";
		2630	}
		2631
		2632	push @dirs, map "$dir/$_", @$dirs;
		2633	}
		2634
		2635	\@maps
		2636	}
		2637
2337	=back	2638	=back
2338		2639
2339	=head3 cf::object	2640	=head3 cf::object
2340		2641
2341	=cut	2642	=cut
…		…
2364		2665
2365	Creates and returns a persistent reference to an object that can be stored as a string.	2666	Creates and returns a persistent reference to an object that can be stored as a string.
2366		2667
2367	=item $ob = cf::object::deref ($refstring)	2668	=item $ob = cf::object::deref ($refstring)
2368		2669
2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2670	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2370	even if the object actually exists. May block.	2671	even if the object actually exists. May block.
2371		2672
2372	=cut	2673	=cut
2373		2674
2374	sub deref {	2675	sub deref {
…		…
2406		2707
2407	our $SAY_CHANNEL = {	2708	our $SAY_CHANNEL = {
2408	id => "say",	2709	id => "say",
2409	title => "Map",	2710	title => "Map",
2410	reply => "say ",	2711	reply => "say ",
2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2712	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2412	};	2713	};
2413		2714
2414	our $CHAT_CHANNEL = {	2715	our $CHAT_CHANNEL = {
2415	id => "chat",	2716	id => "chat",
2416	title => "Chat",	2717	title => "Chat",
…		…
2456	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
2457		2758
2458	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
2459	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
2460		2761
		2762	This is implemented by checking a config setting of C<may_access> where
		2763	C<access> is replaced by the access string. The following alternatives are
		2764	possible (and are tested in order):
		2765
		2766	=over 4
		2767
		2768	=item * Player is DM
		2769
		2770	The request will succeed.
		2771
		2772	=item * may_access is an array reference
		2773
		2774	If either the player nickname or UUID is in the array, the request will
		2775	succeed, otherwise it will fail.
		2776
		2777	=item * may_access is a true value
		2778
		2779	The request will succeed.
		2780
		2781	=item * may_access is missing or false
		2782
		2783	The request will fail.
		2784
		2785	=back
		2786
2461	=cut	2787	=cut
2462		2788
2463	sub cf::object::player::may {	2789	sub cf::object::player::may {
2464	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
2465		2791
2466	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
2467	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
2468	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2469	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
2470	}	2796	}
2471		2797
2472	=item $player_object->enter_link	2798	=item $player_object->enter_link
2473		2799
2474	Freezes the player and moves him/her to a special map (C<{link}>).	2800	Freezes the player and moves him/her to a special map (C<{link}>).
2475		2801
2476	The player should be reasonably safe there for short amounts of time (e.g.	2802	The player should be reasonably safe there for short amounts of time (e.g.
2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,	2803	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
2478	though, as the palyer cannot control the character while it is on the link	2804	though, as the player cannot control the character while it is on the link
2479	map.	2805	map.
2480		2806
2481	Will never block.	2807	This method will never block, which is the whole reaosn for it's
		2808	existance: you can I<always> put a player onto the link map, which is the
		2809	only place to put objects that is guaranteed to exist.
		2810
		2811	A typical usage pattern is to call C<enter_link> synchronously from the
		2812	server, then start a new thread, do your blocking stuff there and then
		2813	call C<leave_link> from that thread.
2482		2814
2483	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
2484		2816
2485	Moves the player out of the special C<{link}> map onto the specified	2817	Moves the player out of the special C<{link}> map onto the specified
2486	map. If the map is not valid (or omitted), the player will be moved back	2818	map. If the map is not valid (or omitted), the player will be moved back
…		…
2504	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
2505	my ($self) = @_;	2837	my ($self) = @_;
2506		2838
2507	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
2508		2840
		2841	++$self->{_link_recursion};
		2842
2509	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
2510		2844
2511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2512	if $self->map && $self->map->{path} ne "{link}";	2846	if $self->map && $self->map->{path} ne "{link}";
2513		2847
2514	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2515	}	2849	}
2516		2850
2517	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
2518	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
2519		2853
…		…
2536	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
2537	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
2538		2872
2539	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
2540	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
2541	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
2542		2876
2543	$map->load;	2877	$map->load;
2544	$map->load_neighbours;
2545		2878
2546	return unless $self->contr->active;	2879	return unless $self->contr->active;
2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
2548	$self->activate_recursive;
2549		2880
2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2551	$self->enter_map ($map, $x, $y);	2882	if ($self->enter_map ($map, $x, $y)) {
2552	}	2883	# entering was successful
		2884	delete $self->{_link_recursion};
		2885	# only activate afterwards, to support waiting in hooks
		2886	$self->activate_recursive;
		2887	}
2553		2888
		2889	}
		2890
2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2891	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2555		2892
2556	Moves the player to the given map-path and coordinates by first freezing	2893	Moves the player to the given map-path and coordinates by first freezing
2557	her, loading and preparing them map, calling the provided $check callback	2894	her, loading and preparing them map, calling the provided $check callback
2558	that has to return the map if sucecssful, and then unfreezes the player on	2895	that has to return the map if sucecssful, and then unfreezes the player on
2559	the new (success) or old (failed) map position. In either case, $done will	2896	the new (success) or old (failed) map position. In either case, $done will
…		…
2566		2903
2567	our $GOTOGEN;	2904	our $GOTOGEN;
2568		2905
2569	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
2570	my ($self, $path, $x, $y, $check, $done) = @_;	2907	my ($self, $path, $x, $y, $check, $done) = @_;
		2908
		2909	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2910	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2911	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2912	($path, $x, $y) = @$EMERGENCY_POSITION;
		2913	}
2571		2914
2572	# do generation counting so two concurrent goto's will be executed in-order	2915	# do generation counting so two concurrent goto's will be executed in-order
2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2916	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2574		2917
2575	$self->enter_link;	2918	$self->enter_link;
…		…
2595	($path, $x, $y) = (undef, undef, undef);	2938	($path, $x, $y) = (undef, undef, undef);
2596	}	2939	}
2597	}	2940	}
2598		2941
2599	my $map = eval {	2942	my $map = eval {
2600	my $map = defined $path ? cf::map::find $path : undef;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2601		2944
2602	if ($map) {	2945	if ($map) {
2603	$map = $map->customise_for ($self);	2946	$map = $map->customise_for ($self);
2604	$map = $check->($map) if $check && $map;	2947	$map = $check->($map, $x, $y, $self) if $check && $map;
2605	} else {	2948	} else {
2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2949	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2607	}	2950	}
2608		2951
2609	$map	2952	$map
…		…
2617	if ($gen == $self->{_goto_generation}) {	2960	if ($gen == $self->{_goto_generation}) {
2618	delete $self->{_goto_generation};	2961	delete $self->{_goto_generation};
2619	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
2620	}	2963	}
2621		2964
2622	$done->() if $done;	2965	$done->($self) if $done;
2623	})->prio (1);	2966	})->prio (1);
2624	}	2967	}
2625		2968
2626	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
2627		2970
…		…
2695	$Coro::current->{desc} = "enter_exit";	3038	$Coro::current->{desc} = "enter_exit";
2696		3039
2697	unless (eval {	3040	unless (eval {
2698	$self->deactivate_recursive; # just to be sure	3041	$self->deactivate_recursive; # just to be sure
2699		3042
2700	# random map handling
2701	{
2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
2703
2704	prepare_random_map $exit
2705	if $exit->slaying eq "/!";
2706	}
2707
2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3043	my $map = cf::map::normalise $exit->slaying, $exit->map;
2709	my $x = $exit->stats->hp;	3044	my $x = $exit->stats->hp;
2710	my $y = $exit->stats->sp;	3045	my $y = $exit->stats->sp;
		3046
		3047	# special map handling
		3048	my $slaying = $exit->slaying;
		3049
		3050	# special map handling
		3051	if ($slaying eq "/!") {
		3052	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3053
		3054	prepare_random_map $exit
		3055	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3056
		3057	$map = $exit->slaying;
		3058
		3059	} elsif ($slaying eq '!up') {
		3060	$map = $exit->map->tile_path (cf::TILE_UP);
		3061	$x = $exit->x;
		3062	$y = $exit->y;
		3063
		3064	} elsif ($slaying eq '!down') {
		3065	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3066	$x = $exit->x;
		3067	$y = $exit->y;
		3068	}
2711		3069
2712	$self->goto ($map, $x, $y);	3070	$self->goto ($map, $x, $y);
2713		3071
2714	# if exit is damned, update players death & WoR home-position	3072	# if exit is damned, update players death & WoR home-position
2715	$self->contr->savebed ($map, $x, $y)	3073	$self->contr->savebed ($map, $x, $y)
…		…
2720	$self->message ("Something went wrong deep within the deliantra server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2721	. "I'll try to bring you back to the map you were before. "	3079	. "I'll try to bring you back to the map you were before. "
2722	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2723	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2724		3082
2725	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2726	$self->leave_link;	3084	$self->leave_link;
2727	}	3085	}
2728	})->prio (1);	3086	})->prio (1);
2729	}	3087	}
2730		3088
2731	=head3 cf::client	3089	=head3 cf::client
2732		3090
2733	=over 4	3091	=over 4
2734		3092
2735	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2736		3094
2737	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2738	should not be used under normal circumstances.	3096	them as required.
2739		3097
2740	=cut	3098	=cut
2741		3099
		3100	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3101
2742	sub cf::client::send_drawinfo {	3102	sub cf::client::send_big_packet {
2743	my ($self, $text, $flags) = @_;	3103	my ($self, $pkt) = @_;
2744		3104
2745	utf8::encode $text;	3105	# try lzf for large packets
2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3106	$pkt = "lzf " . Compress::LZF::compress $pkt
		3107	if 1024 <= length $pkt and $self->{can_lzf};
		3108
		3109	# split very large packets
		3110	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3111	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3112	$pkt = "frag";
		3113	}
		3114
		3115	$self->send_packet ($pkt);
2747	}	3116	}
2748		3117
2749	=item $client->send_msg ($channel, $msg, $color, [extra...])	3118	=item $client->send_msg ($channel, $msg, $color, [extra...])
2750		3119
2751	Send a drawinfo or msg packet to the client, formatting the msg for the	3120	Send a msg packet to the client, formatting the msg for the client if
2752	client if neccessary. C<$type> should be a string identifying the type of	3121	necessary. C<$type> should be a string identifying the type of the
2753	the message, with C<log> being the default. If C<$color> is negative, suppress	3122	message, with C<log> being the default. If C<$color> is negative, suppress
2754	the message unless the client supports the msg packet.	3123	the message unless the client supports the msg packet.
2755		3124
2756	=cut	3125	=cut
2757		3126
2758	# non-persistent channels (usually the info channel)	3127	# non-persistent channels (usually the info channel)
2759	our %CHANNEL = (	3128	our %CHANNEL = (
		3129	"c/motd" => {
		3130	id => "infobox",
		3131	title => "MOTD",
		3132	reply => undef,
		3133	tooltip => "The message of the day",
		3134	},
2760	"c/identify" => {	3135	"c/identify" => {
2761	id => "infobox",	3136	id => "infobox",
2762	title => "Identify",	3137	title => "Identify",
2763	reply => undef,	3138	reply => undef,
2764	tooltip => "Items recently identified",	3139	tooltip => "Items recently identified",
…		…
2766	"c/examine" => {	3141	"c/examine" => {
2767	id => "infobox",	3142	id => "infobox",
2768	title => "Examine",	3143	title => "Examine",
2769	reply => undef,	3144	reply => undef,
2770	tooltip => "Signs and other items you examined",	3145	tooltip => "Signs and other items you examined",
		3146	},
		3147	"c/shopinfo" => {
		3148	id => "infobox",
		3149	title => "Shop Info",
		3150	reply => undef,
		3151	tooltip => "What your bargaining skill tells you about the shop",
2771	},	3152	},
2772	"c/book" => {	3153	"c/book" => {
2773	id => "infobox",	3154	id => "infobox",
2774	title => "Book",	3155	title => "Book",
2775	reply => undef,	3156	reply => undef,
…		…
2791	id => "infobox",	3172	id => "infobox",
2792	title => "Body Parts",	3173	title => "Body Parts",
2793	reply => undef,	3174	reply => undef,
2794	tooltip => "Shows which body parts you posess and are available",	3175	tooltip => "Shows which body parts you posess and are available",
2795	},	3176	},
		3177	"c/statistics" => {
		3178	id => "infobox",
		3179	title => "Statistics",
		3180	reply => undef,
		3181	tooltip => "Shows your primary statistics",
		3182	},
2796	"c/skills" => {	3183	"c/skills" => {
2797	id => "infobox",	3184	id => "infobox",
2798	title => "Skills",	3185	title => "Skills",
2799	reply => undef,	3186	reply => undef,
2800	tooltip => "Shows your experience per skill and item power",	3187	tooltip => "Shows your experience per skill and item power",
		3188	},
		3189	"c/shopitems" => {
		3190	id => "infobox",
		3191	title => "Shop Items",
		3192	reply => undef,
		3193	tooltip => "Shows the items currently for sale in this shop",
		3194	},
		3195	"c/resistances" => {
		3196	id => "infobox",
		3197	title => "Resistances",
		3198	reply => undef,
		3199	tooltip => "Shows your resistances",
		3200	},
		3201	"c/pets" => {
		3202	id => "infobox",
		3203	title => "Pets",
		3204	reply => undef,
		3205	tooltip => "Shows information abotu your pets/a specific pet",
		3206	},
		3207	"c/perceiveself" => {
		3208	id => "infobox",
		3209	title => "Perceive Self",
		3210	reply => undef,
		3211	tooltip => "You gained detailed knowledge about yourself",
2801	},	3212	},
2802	"c/uptime" => {	3213	"c/uptime" => {
2803	id => "infobox",	3214	id => "infobox",
2804	title => "Uptime",	3215	title => "Uptime",
2805	reply => undef,	3216	reply => undef,
…		…
2815	id => "party",	3226	id => "party",
2816	title => "Party",	3227	title => "Party",
2817	reply => "gsay ",	3228	reply => "gsay ",
2818	tooltip => "Messages and chat related to your party",	3229	tooltip => "Messages and chat related to your party",
2819	},	3230	},
		3231	"c/death" => {
		3232	id => "death",
		3233	title => "Death",
		3234	reply => undef,
		3235	tooltip => "Reason for and more info about your most recent death",
		3236	},
		3237	"c/fatal" => {
		3238	id => "fatal",
		3239	title => "Fatal Error",
		3240	reply => undef,
		3241	tooltip => "Reason for the server disconnect",
		3242	},
		3243	"c/say" => $SAY_CHANNEL,
		3244	"c/chat" => $CHAT_CHANNEL,
2820	);	3245	);
2821		3246
2822	sub cf::client::send_msg {	3247	sub cf::client::send_msg {
2823	my ($self, $channel, $msg, $color, @extra) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2824		3249
…		…
2829		3254
2830	# check predefined channels, for the benefit of C	3255	# check predefined channels, for the benefit of C
2831	if ($CHANNEL{$channel}) {	3256	if ($CHANNEL{$channel}) {
2832	$channel = $CHANNEL{$channel};	3257	$channel = $CHANNEL{$channel};
2833		3258
2834	$self->ext_msg (channel_info => $channel)	3259	$self->ext_msg (channel_info => $channel);
2835	if $self->can_msg;
2836
2837	$channel = $channel->{id};	3260	$channel = $channel->{id};
2838		3261
2839	} elsif (ref $channel) {	3262	} elsif (ref $channel) {
2840	# send meta info to client, if not yet sent	3263	# send meta info to client, if not yet sent
2841	unless (exists $self->{channel}{$channel->{id}}) {	3264	unless (exists $self->{channel}{$channel->{id}}) {
2842	$self->{channel}{$channel->{id}} = $channel;	3265	$self->{channel}{$channel->{id}} = $channel;
2843	$self->ext_msg (channel_info => $channel)	3266	$self->ext_msg (channel_info => $channel);
2844	if $self->can_msg;
2845	}	3267	}
2846		3268
2847	$channel = $channel->{id};	3269	$channel = $channel->{id};
2848	}	3270	}
2849		3271
2850	return unless @extra || length $msg;	3272	return unless @extra || length $msg;
2851		3273
2852	if ($self->can_msg) {
2853	# default colour, mask it out	3274	# default colour, mask it out
2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3275	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2855	if $color & cf::NDI_DEF;	3276	if $color & cf::NDI_DEF;
2856		3277
2857	my $pkt = "msg "	3278	my $pkt = "msg "
2858	. $self->{json_coder}->encode (	3279	. $self->{json_coder}->encode (
2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]	3280	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2860	);	3281	);
2861		3282
2862	# try lzf for large packets
2863	$pkt = "lzf " . Compress::LZF::compress $pkt
2864	if 1024 <= length $pkt and $self->{can_lzf};
2865
2866	# split very large packets
2867	if (8192 < length $pkt and $self->{can_lzf}) {
2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
2869	$pkt = "frag";
2870	}
2871
2872	$self->send_packet ($pkt);	3283	$self->send_big_packet ($pkt);
2873	} else {
2874	if ($color >= 0) {
2875	# replace some tags by gcfclient-compatible ones
2876	for ($msg) {
2877	1 while
2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2883	}
2884
2885	$color &= cf::NDI_COLOR_MASK;
2886
2887	utf8::encode $msg;
2888
2889	if (0 && $msg =~ /\[/) {
2890	# COMMAND/INFO
2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
2892	} else {
2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2894	$self->send_packet ("drawinfo $color $msg")
2895	}
2896	}
2897	}
2898	}	3284	}
2899		3285
2900	=item $client->ext_msg ($type, @msg)	3286	=item $client->ext_msg ($type, @msg)
2901		3287
2902	Sends an ext event to the client.	3288	Sends an ext event to the client.
…		…
2904	=cut	3290	=cut
2905		3291
2906	sub cf::client::ext_msg($$@) {	3292	sub cf::client::ext_msg($$@) {
2907	my ($self, $type, @msg) = @_;	3293	my ($self, $type, @msg) = @_;
2908		3294
2909	if ($self->extcmd == 2) {
2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2911	} elsif ($self->extcmd == 1) { # TODO: remove
2912	push @msg, msgtype => "event_$type";
2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2914	}
2915	}
2916
2917	=item $client->ext_reply ($msgid, @msg)
2918
2919	Sends an ext reply to the client.
2920
2921	=cut
2922
2923	sub cf::client::ext_reply($$@) {
2924	my ($self, $id, @msg) = @_;
2925
2926	if ($self->extcmd == 2) {
2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2928	} elsif ($self->extcmd == 1) {
2929	#TODO: version 1, remove
2930	unshift @msg, msgtype => "reply", msgid => $id;
2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2932	}
2933	}	3296	}
2934		3297
2935	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2936		3299
2937	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
…		…
2957		3320
2958	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2959	if @{ $self->{query_queue} } == 1;	3322	if @{ $self->{query_queue} } == 1;
2960		3323
2961	1	3324	1
		3325	}
		3326
		3327	=item $client->update_command_faces
		3328
		3329	=cut
		3330
		3331	our %COMMAND_FACE;
		3332
		3333	sub cf::client::update_command_faces {
		3334	my ($self) = @_;
		3335
		3336	my @faces = grep $_,
		3337	$COMMAND_FACE{preferred},
		3338	$COMMAND_FACE{standard},
		3339	$COMMAND_FACE{skill},
		3340	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3341	$COMMAND_FACE{emote},
		3342	;
		3343
		3344	$self->send_face ($_)
		3345	for @faces;
		3346	$self->flush_fx;
		3347
		3348	$self->ext_msg (command_list => @faces);
		3349	}
		3350
		3351	=item cf::client::set_command_face $type, $commands
		3352
		3353	=cut
		3354
		3355	sub cf::client::set_command_face {
		3356	my ($type, $list) = @_;
		3357
		3358	my $idx = &cf::face::set ( #d# ugly forward reference
		3359	"command_list/$type" => cf::FT_RSRC,
		3360	JSON::XS->new->utf8->encode ([ sort @$list ])
		3361	);
		3362
		3363	$COMMAND_FACE{$type} = $idx;
2962	}	3364	}
2963		3365
2964	cf::client->attach (	3366	cf::client->attach (
2965	on_connect => sub {	3367	on_connect => sub {
2966	my ($ns) = @_;	3368	my ($ns) = @_;
…		…
2992	my ($ns, $buf) = @_;	3394	my ($ns, $buf) = @_;
2993		3395
2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3396	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2995		3397
2996	if (ref $msg) {	3398	if (ref $msg) {
2997	my ($type, $reply, @payload) =	3399	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2998	"ARRAY" eq ref $msg
2999	? @$msg
3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3001		3400
3002	my @reply;
3003
3004	if (my $cb = $EXTICMD{$type}) {	3401	if (my $cb = $EXTIACMD{$type}) {
		3402	$cb->(
		3403	$ns,
		3404	sub {
		3405	$ns->ext_msg ("reply-$reply", @_)
		3406	if $reply;
		3407	},
		3408	@payload
		3409	);
		3410	} else {
		3411	my @reply;
		3412
		3413	if (my $cb = $EXTICMD{$type}) {
3005	@reply = $cb->($ns, @payload);	3414	@reply = $cb->($ns, @payload);
		3415	}
		3416
		3417	$ns->ext_msg ("reply-$reply", @reply)
		3418	if $reply;
3006	}	3419	}
3007
3008	$ns->ext_reply ($reply, @reply)
3009	if $reply;
3010
3011	} else {	3420	} else {
3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3421	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3013	}	3422	}
3014		3423
3015	cf::override;	3424	cf::override;
3016	},	3425	},
3017	);	3426	);
…		…
3037		3446
3038	$coro	3447	$coro
3039	}	3448	}
3040		3449
3041	cf::client->attach (	3450	cf::client->attach (
3042	on_destroy => sub {	3451	on_client_destroy => sub {
3043	my ($ns) = @_;	3452	my ($ns) = @_;
3044		3453
3045	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3046	},	3455	},
3047	);	3456	);
…		…
3063	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
3064		3473
3065	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
3066		3475
3067	$safe->permit_only (Opcode::opset qw(	3476	$safe->permit_only (Opcode::opset qw(
3068	:base_core :base_mem :base_orig :base_math	3477	:base_core :base_mem :base_orig :base_math :base_loop
3069	grepstart grepwhile mapstart mapwhile	3478	grepstart grepwhile mapstart mapwhile
3070	sort time	3479	sort time
3071	));	3480	));
3072		3481
3073	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
…		…
3077	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
3078		3487
3079	cf::object	3488	cf::object
3080	contr pay_amount pay_player map x y force_find force_add destroy	3489	contr pay_amount pay_player map x y force_find force_add destroy
3081	insert remove name archname title slaying race decrease split	3490	insert remove name archname title slaying race decrease split
		3491	value
3082		3492
3083	cf::object::player	3493	cf::object::player
3084	player	3494	player
3085		3495
3086	cf::player	3496	cf::player
…		…
3092	=cut	3502	=cut
3093		3503
3094	for (	3504	for (
3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3505	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3096	insert remove inv nrof name archname title slaying race	3506	insert remove inv nrof name archname title slaying race
3097	decrease split destroy change_exp)],	3507	decrease split destroy change_exp value msg lore send_msg)],
3098	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
3099	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
3100	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
3101	) {	3511	) {
3102	no strict 'refs';
3103	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3105	for @funs;	3514	for @funs;
3106	}	3515	}
3107		3516
…		…
3122		3531
3123	my $qcode = $code;	3532	my $qcode = $code;
3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3125	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
3126		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
3127	local $_;	3539	local $_;
3128	local @safe::cf::_safe_eval_args = values %vars;
3129		3540
3130	my $eval =	3541	my $eval =
3131	"do {\n"	3542	"do {\n"
3132	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3133	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
3134	. $code	3545	. $code
3135	. "\n}"	3546	. "\n}"
3136	;	3547	;
3137		3548
		3549	if ($CFG{safe_eval}) {
3138	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
3139	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3140	sub_generation_inc;	3553	sub_generation_inc;
		3554	} else {
		3555	local @cf::_safe_eval_args = values %vars;
		3556	@res = wantarray ? eval eval : scalar eval $eval;
		3557	}
3141		3558
3142	if ($@) {	3559	if ($@) {
3143	warn "$@";	3560	warn "$@",
3144	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
3145	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
3146	}	3563	}
3147		3564
3148	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
3149	}	3566	}
3150		3567
…		…
3164	=cut	3581	=cut
3165		3582
3166	sub register_script_function {	3583	sub register_script_function {
3167	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
3168		3585
3169	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
3170	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
3171	}	3588	}
3172		3589
3173	=back	3590	=back
3174		3591
3175	=cut	3592	=cut
3176		3593
3177	#############################################################################	3594	#############################################################################
3178	# the server's init and main functions	3595	# the server's init and main functions
3179		3596
		3597	{
		3598	package cf::face;
		3599
		3600	our %HASH; # hash => idx
		3601	our @DATA; # dynamically-created facedata, only faceste 0 used
		3602	our @FOFS; # file offset, if > 0
		3603	our @SIZE; # size of face, in octets
		3604	our @META; # meta hash of face, if any
		3605	our $DATAFH; # facedata filehandle
		3606
		3607	# internal api, not finalised
		3608	sub set {
		3609	my ($name, $type, $data) = @_;
		3610
		3611	my $idx = cf::face::find $name;
		3612
		3613	if ($idx) {
		3614	delete $HASH{cf::face::get_csum $idx};
		3615	} else {
		3616	$idx = cf::face::alloc $name;
		3617	}
		3618
		3619	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3620
		3621	cf::face::set_type $idx, $type;
		3622	cf::face::set_csum $idx, 0, $hash;
		3623
		3624	# we need to destroy the SV itself, not just modify it, as a running ix
		3625	# might hold a reference to it: "delete" achieves that.
		3626	delete $FOFS[0][$idx];
		3627	delete $DATA[0][$idx];
		3628	$DATA[0][$idx] = $data;
		3629	$SIZE[0][$idx] = length $data;
		3630	delete $META[$idx];
		3631	$HASH{$hash} = $idx;#d#
		3632
		3633	$idx
		3634	}
		3635
		3636	sub _get_data($$$) {
		3637	my ($idx, $set, $cb) = @_;
		3638
		3639	if (defined $DATA[$set][$idx]) {
		3640	$cb->($DATA[$set][$idx]);
		3641	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3642	my $size = $SIZE[$set][$idx];
		3643	my $buf;
		3644	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3645	if ($_[0] == $size) {
		3646	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3647	$cb->($buf);
		3648	} else {
		3649	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3650	}
		3651	};
		3652	} else {
		3653	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3654	}
		3655	}
		3656
		3657	# rather ineffient
		3658	sub cf::face::get_data($;$) {
		3659	my ($idx, $set) = @_;
		3660
		3661	_get_data $idx, $set, Coro::rouse_cb;
		3662	Coro::rouse_wait
		3663	}
		3664
		3665	sub cf::face::ix {
		3666	my ($ns, $set, $idx, $pri) = @_;
		3667
		3668	_get_data $idx, $set, sub {
		3669	$ns->ix_send ($idx, $pri, $_[0]);
		3670	};
		3671	}
		3672	}
		3673
3180	sub load_facedata($) {	3674	sub load_facedata($) {
3181	my ($path) = @_;	3675	my ($path) = @_;
3182		3676
3183	# HACK to clear player env face cache, we need some signal framework
3184	# for this (global event?)
3185	%ext::player_env::MUSIC_FACE_CACHE = ();
3186
3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3188		3678
3189	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
3190		3680
3191	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
3192	0 < aio_load $path, $facedata
3193	or die "$path: $!";
3194
3195	$facedata = Coro::Storable::thaw $facedata;
3196		3682
3197	$facedata->{version} == 2	3683	$facedata->{version} == 2
3198	or cf::cleanup "$path: version mismatch, cannot proceed.";	3684	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3199		3685
3200	# patch in the exptable	3686	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3201	$facedata->{resource}{"res/exp_table"} = {	3687	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3202	type => FT_RSRC,	3688
3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3689	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3204	};	3690
3205	cf::cede_to_tick;	3691	# BEGIN ATOMIC
		3692	# from here on, everything must be atomic - no thread switch allowed
		3693	my $t1 = EV::time;
3206		3694
3207	{	3695	{
3208	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
3209		3697
3210	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3212		3701
3213	cf::face::set_visibility $idx, $info->{visibility};	3702	cf::face::set_visibility $idx, $info->{visibility};
3214	cf::face::set_magicmap $idx, $info->{magicmap};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3704	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3705	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3217		3706	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3218	cf::cede_to_tick;	3707	$cf::face::HASH{$info->{hash64}} = $idx;
		3708	delete $cf::face::META[$idx];
3219	}	3709	}
3220		3710
3221	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
3222	next unless $info->{smooth};	3712	next unless $info->{smooth};
3223		3713
…		…
3226		3716
3227	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
3228	cf::face::set_smooth $idx, $smooth;	3718	cf::face::set_smooth $idx, $smooth;
3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3230	} else {	3720	} else {
3231	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
3232	}	3722	}
3233
3234	cf::cede_to_tick;
3235	}	3723	}
3236	}	3724	}
3237		3725
3238	{	3726	{
3239	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
3240		3728
3241	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
3242	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
3243	cf::cede_to_tick;
3244	}	3731	}
3245		3732
3246	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
3247	}	3734	}
3248		3735
3249	{	3736	{
3250	# TODO: for gcfclient pleasure, we should give resources
3251	# that gcfclient doesn't grok a >10000 face index.
3252	my $res = $facedata->{resource};	3737	my $res = $facedata->{resource};
3253		3738
3254	while (my ($name, $info) = each %$res) {	3739	while (my ($name, $info) = each %$res) {
3255	if (defined $info->{type}) {	3740	if (defined (my $type = $info->{type})) {
		3741	# TODO: different hash - must free and use new index, or cache ixface data queue
3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3742	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3257	my $data;
3258		3743
3259	if ($info->{type} & 1) {
3260	# prepend meta info
3261
3262	my $meta = $enc->encode ({
3263	name => $name,
3264	%{ $info->{meta} || {} },
3265	});
3266
3267	$data = pack "(w/a*)*", $meta, $info->{data};
3268	} else {
3269	$data = $info->{data};
3270	}
3271
3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3273	cf::face::set_type $idx, $info->{type};	3744	cf::face::set_type $idx, $type;
		3745	cf::face::set_csum $idx, 0, $info->{hash};
		3746	$cf::face::SIZE[0][$idx] = $info->{size};
		3747	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3748	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3749	$cf::face::HASH{$info->{hash}} = $idx;
3274	} else {	3750	} else {
3275	$RESOURCE{$name} = $info;	3751	# $RESOURCE{$name} = $info; # unused
3276	}	3752	}
3277
3278	cf::cede_to_tick;
3279	}	3753	}
3280	}	3754	}
		3755
		3756	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3757
		3758	# HACK to clear player env face cache, we need some signal framework
		3759	# for this (global event?)
		3760	%ext::player_env::MUSIC_FACE_CACHE = ();
		3761
		3762	# END ATOMIC
		3763
		3764	cf::debug "facedata atomic update time ", EV::time - $t1;
3281		3765
3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3766	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3283		3767
		3768	aio_close $fh if $fh; # close old facedata
		3769
3284	1	3770	1
3285	}	3771	}
3286
3287	cf::global->attach (on_resource_update => sub {
3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3290
3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3292	my $sound = $soundconf->{compat}[$_]
3293	or next;
3294
3295	my $face = cf::face::find "sound/$sound->[1]";
3296	cf::sound::set $sound->[0] => $face;
3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3298	}
3299
3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
3301	my $face = cf::face::find "sound/$v";
3302	cf::sound::set $k => $face;
3303	}
3304	}
3305	});
3306		3772
3307	register_exticmd fx_want => sub {	3773	register_exticmd fx_want => sub {
3308	my ($ns, $want) = @_;	3774	my ($ns, $want) = @_;
3309		3775
3310	while (my ($k, $v) = each %$want) {	3776	while (my ($k, $v) = each %$want) {
…		…
3318	my $status = load_resource_file_ $_[0];	3784	my $status = load_resource_file_ $_[0];
3319	get_slot 0.1, 100;	3785	get_slot 0.1, 100;
3320	cf::arch::commit_load;	3786	cf::arch::commit_load;
3321		3787
3322	$status	3788	$status
		3789	}
		3790
		3791	sub reload_exp_table {
		3792	_reload_exp_table;
		3793
		3794	cf::face::set
		3795	"res/exp_table" => FT_RSRC,
		3796	JSON::XS->new->utf8->canonical->encode (
		3797	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3798	);
		3799	}
		3800
		3801	sub reload_materials {
		3802	_reload_materials;
3323	}	3803	}
3324		3804
3325	sub reload_regions {	3805	sub reload_regions {
3326	# HACK to clear player env face cache, we need some signal framework	3806	# HACK to clear player env face cache, we need some signal framework
3327	# for this (global event?)	3807	# for this (global event?)
…		…
3335	if exists $_->{match};	3815	if exists $_->{match};
3336	}	3816	}
3337	}	3817	}
3338		3818
3339	sub reload_facedata {	3819	sub reload_facedata {
3340	load_facedata "$DATADIR/facedata"	3820	load_facedata $DATADIR
3341	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
3342	}	3822	}
3343		3823
3344	sub reload_archetypes {	3824	sub reload_archetypes {
3345	load_resource_file "$DATADIR/archetypes"	3825	load_resource_file "$DATADIR/archetypes"
3346	or die "unable to load archetypes\n";	3826	or die "unable to load archetypes\n";
		3827
		3828	cf::face::set
		3829	"res/skill_info" => FT_RSRC,
		3830	JSON::XS->new->utf8->canonical->encode (
		3831	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3832	);
		3833
		3834	cf::face::set
		3835	"res/spell_paths" => FT_RSRC,
		3836	JSON::XS->new->utf8->canonical->encode (
		3837	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3838	);
		3839
		3840	# command completion
		3841	my @commands;
		3842
		3843	for (0..cf::arch::skillvec_size - 1) {
		3844	my $skill = cf::arch::skillvec $_;
		3845	my $name = $skill->name;
		3846	my $flags = cf::skill_flags $skill->subtype;
		3847
		3848	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3849	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3850	}
		3851
		3852	cf::client::set_command_face skill => \@commands;
3347	}	3853	}
3348		3854
3349	sub reload_treasures {	3855	sub reload_treasures {
3350	load_resource_file "$DATADIR/treasures"	3856	load_resource_file "$DATADIR/treasures"
3351	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
3352	}	3858	}
3353		3859
		3860	sub reload_sound {
		3861	trace "loading sound config from $DATADIR/sound\n";
		3862
		3863	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3864
		3865	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3866	my $sound = $soundconf->{compat}[$_]
		3867	or next;
		3868
		3869	my $face = cf::face::find "sound/$sound->[1]";
		3870	cf::sound::set $sound->[0] => $face;
		3871	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3872	}
		3873
		3874	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3875	my $face = cf::face::find "sound/$v";
		3876	cf::sound::set $k => $face;
		3877	}
		3878	}
		3879
3354	sub reload_resources {	3880	sub reload_resources {
3355	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
3356		3882
		3883	reload_materials;
3357	reload_facedata;	3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
3358	reload_archetypes;	3887	reload_archetypes;
3359	reload_regions;	3888	reload_regions;
3360	reload_treasures;	3889	reload_treasures;
3361		3890
3362	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
3363	}	3892	}
3364		3893
3365	sub reload_config {	3894	sub reload_config {
3366	open my $fh, "<:utf8", "$CONFDIR/config"	3895	trace "reloading config file...\n";
3367	or return;
3368		3896
3369	local $/;	3897	my $config = load_file "$CONFDIR/config";
3370	*CFG = YAML::Load <$fh>;	3898	utf8::decode $config;
		3899	*CFG = decode_yaml $config;
3371		3900
3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3373		3902
3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3903	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3904	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3376		3905
3377	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
3400		3929
3401	seek $fh, 0, 0;	3930	seek $fh, 0, 0;
3402	print $fh $$;	3931	print $fh $$;
3403	}	3932	}
3404		3933
		3934	sub main_loop {
		3935	trace "EV::run starting\n";
		3936	if (1) {
		3937	EV::run;
		3938	}
		3939	trace "EV::run returned\n";
		3940	goto &main_loop unless $REALLY_UNLOOP;
		3941	}
		3942
3405	sub main {	3943	sub main {
3406	cf::init_globals; # initialise logging	3944	cf::init_globals; # initialise logging
3407		3945
3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;	3946	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";	3947	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";	3948	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";	3949	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
3412		3950
3413	cf::init_experience;
3414	cf::init_anim;
3415	cf::init_attackmess;
3416	cf::init_dynamic;
3417	cf::init_block;
3418
3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3951	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3420		3952
3421	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
3422	local $Coro::idle = sub {	3954	$Coro::idle = sub {
3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3955	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3424	(async {	3956	(async {
3425	$Coro::current->{desc} = "IDLE BUG HANDLER";	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
3426	EV::loop EV::LOOP_ONESHOT;	3958	EV::run EV::RUN_ONCE;
3427	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
3428	};	3960	};
3429		3961
3430	evthread_start IO::AIO::poll_fileno;	3962	evthread_start IO::AIO::poll_fileno;
3431		3963
3432	cf::sync_job {	3964	cf::sync_job {
		3965	cf::incloader::init ();
		3966
		3967	db_init;
		3968
		3969	cf::init_anim;
		3970	cf::init_attackmess;
		3971	cf::init_dynamic;
		3972
		3973	cf::load_settings;
		3974
3433	reload_resources;	3975	reload_resources;
3434	reload_config;	3976	reload_config;
3435	db_init;
3436		3977
3437	cf::load_settings;
3438	cf::load_materials;
3439	cf::init_uuid;	3978	cf::init_uuid;
3440	cf::init_signals;	3979	cf::init_signals;
3441	cf::init_commands;
3442	cf::init_skills;	3980	cf::init_skills;
3443		3981
3444	cf::init_beforeplay;	3982	cf::init_beforeplay;
3445		3983
3446	atomic;	3984	atomic;
…		…
3448	load_extensions;	3986	load_extensions;
3449		3987
3450	utime time, time, $RUNTIMEFILE;	3988	utime time, time, $RUNTIMEFILE;
3451		3989
3452	# no (long-running) fork's whatsoever before this point(!)	3990	# no (long-running) fork's whatsoever before this point(!)
		3991	use POSIX ();
3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};	3992	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
3454		3993
3455	(pop @POST_INIT)->(0) while @POST_INIT;	3994	cf::_post_init 0;
3456	};	3995	};
3457		3996
3458	EV::loop;	3997	cf::object::thawer::errors_are_fatal 0;
		3998	info "parse errors in files are no longer fatal from this point on.\n";
		3999
		4000	AE::postpone {
		4001	undef &main; # free gobs of memory :)
		4002	};
		4003
		4004	goto &main_loop;
3459	}	4005	}
3460		4006
3461	#############################################################################	4007	#############################################################################
3462	# initialisation and cleanup	4008	# initialisation and cleanup
3463		4009
3464	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
3465	BEGIN {	4011	BEGIN {
3466	our %SIGWATCHER = ();	4012	our %SIGWATCHER = ();
3467	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3469	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
3470	};	4016	};
3471	}	4017	}
3472	}	4018	}
3473		4019
3474	sub write_runtime_sync {	4020	sub write_runtime_sync {
		4021	my $t0 = AE::time;
		4022
3475	# first touch the runtime file to show we are still running:	4023	# first touch the runtime file to show we are still running:
3476	# the fsync below can take a very very long time.	4024	# the fsync below can take a very very long time.
3477		4025
3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;	4026	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3479		4027
3480	my $guard = cf::lock_acquire "write_runtime";	4028	my $guard = cf::lock_acquire "write_runtime";
3481		4029
3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644	4030	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3483	or return;	4031	or return;
3484		4032
3485	my $value = $cf::RUNTIME + 90 + 10;	4033	my $value = $cf::RUNTIME + 90 + 10;
3486	# 10 is the runtime save interval, for a monotonic clock	4034	# 10 is the runtime save interval, for a monotonic clock
3487	# 60 allows for the watchdog to kill the server.	4035	# 60 allows for the watchdog to kill the server.
…		…
3500	or return;	4048	or return;
3501		4049
3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE	4050	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3503	and return;	4051	and return;
3504		4052
3505	warn "runtime file written.\n";	4053	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3506		4054
3507	1	4055	1
3508	}	4056	}
3509		4057
3510	our $uuid_lock;	4058	our $uuid_lock;
…		…
3522	or return;	4070	or return;
3523		4071
3524	my $value = uuid_seq uuid_cur;	4072	my $value = uuid_seq uuid_cur;
3525		4073
3526	unless ($value) {	4074	unless ($value) {
3527	warn "cowardly refusing to write zero uuid value!\n";	4075	info "cowardly refusing to write zero uuid value!\n";
3528	return;	4076	return;
3529	}	4077	}
3530		4078
3531	my $value = uuid_str $value + $uuid_skip;	4079	my $value = uuid_str $value + $uuid_skip;
3532	$uuid_skip = 0;	4080	$uuid_skip = 0;
…		…
3542	or return;	4090	or return;
3543		4091
3544	aio_rename "$uuid~", $uuid	4092	aio_rename "$uuid~", $uuid
3545	and return;	4093	and return;
3546		4094
3547	warn "uuid file written ($value).\n";	4095	trace "uuid file written ($value).\n";
3548		4096
3549	1	4097	1
3550		4098
3551	}	4099	}
3552		4100
…		…
3558	}	4106	}
3559		4107
3560	sub emergency_save() {	4108	sub emergency_save() {
3561	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
3562		4110
3563	warn "enter emergency perl save\n";	4111	info "emergency_perl_save: enter\n";
		4112
		4113	# this is a trade-off: we want to be very quick here, so
		4114	# save all maps without fsync, and later call a global sync
		4115	# (which in turn might be very very slow)
		4116	local $USE_FSYNC = 0;
3564		4117
3565	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
3566	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
3567	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
3568	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
3569	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
3570	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
3571	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
3572	$pl->valid or next;	4127	$pl->valid or next;
3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3574	$pl->save;	4129	$pl->save;
3575	}	4130	}
3576	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
3577		4132
3578	warn "begin emergency map save\n";	4133	cf::write_runtime_sync; # external watchdog should not bark
		4134
		4135	info "emergency_perl_save: begin map save\n";
3579	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
3580	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
3581	$map->valid or next;	4138	$map->valid or next;
3582	$map->save;	4139	$map->save;
3583	}	4140	}
3584	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
3585		4142
3586	warn "begin emergency database checkpoint\n";	4143	cf::write_runtime_sync; # external watchdog should not bark
		4144
		4145	info "emergency_perl_save: begin database checkpoint\n";
3587	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
3588	warn "end emergency database checkpoint\n";	4147	info "emergency_perl_save: end database checkpoint\n";
3589		4148
3590	warn "begin write uuid\n";	4149	info "emergency_perl_save: begin write uuid\n";
3591	write_uuid_sync 1;	4150	write_uuid_sync 1;
3592	warn "end write uuid\n";	4151	info "emergency_perl_save: end write uuid\n";
		4152
		4153	cf::write_runtime_sync; # external watchdog should not bark
		4154
		4155	trace "emergency_perl_save: syncing database to disk";
		4156	BDB::db_env_txn_checkpoint $DB_ENV;
		4157
		4158	info "emergency_perl_save: starting sync\n";
		4159	IO::AIO::aio_sync sub {
		4160	info "emergency_perl_save: finished sync\n";
		4161	};
		4162
		4163	cf::write_runtime_sync; # external watchdog should not bark
		4164
		4165	trace "emergency_perl_save: flushing outstanding aio requests";
		4166	while (IO::AIO::nreqs || BDB::nreqs) {
		4167	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4168	}
		4169
		4170	cf::write_runtime_sync; # external watchdog should not bark
3593	};	4171	};
3594		4172
3595	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
3596	}	4174	}
3597		4175
3598	sub post_cleanup {	4176	sub post_cleanup {
3599	my ($make_core) = @_;	4177	my ($make_core) = @_;
3600		4178
		4179	IO::AIO::flush;
		4180
3601	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
3602	if $make_core;	4182	if $make_core;
3603		4183
3604	my $fh = pidfile;	4184	my $fh = pidfile;
3605	unlink $PIDFILE if <$fh> == $$;	4185	unlink $PIDFILE if <$fh> == $$;
3606	}	4186	}
…		…
3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4206	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3627	for my $name (keys %$leaf_symtab) {	4207	for my $name (keys %$leaf_symtab) {
3628	_gv_clear *{"$pkg$name"};	4208	_gv_clear *{"$pkg$name"};
3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4209	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3630	}	4210	}
3631	warn "cleared package $pkg\n";#d#
3632	}	4211	}
3633		4212
3634	sub do_reload_perl() {	4213	sub do_reload_perl() {
3635	# can/must only be called in main	4214	# can/must only be called in main
3636	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
3637	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
3638	return;	4217	return;
3639	}	4218	}
3640		4219
3641	return if $RELOAD++;	4220	return if $RELOAD++;
3642		4221
		4222	my $t1 = AE::time;
		4223
3643	while ($RELOAD) {	4224	while ($RELOAD) {
3644	warn "reloading...";	4225	cf::get_slot 0.1, -1, "reload_perl";
		4226	info "perl_reload: reloading...";
3645		4227
3646	warn "entering sync_job";	4228	trace "perl_reload: entering sync_job";
3647		4229
3648	cf::sync_job {	4230	cf::sync_job {
3649	cf::write_runtime_sync; # external watchdog should not bark
3650	cf::emergency_save;	4231	#cf::emergency_save;
3651	cf::write_runtime_sync; # external watchdog should not bark
3652		4232
3653	warn "syncing database to disk";
3654	BDB::db_env_txn_checkpoint $DB_ENV;
3655
3656	# if anything goes wrong in here, we should simply crash as we already saved
3657
3658	warn "flushing outstanding aio requests";
3659	while (IO::AIO::nreqs || BDB::nreqs) {
3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3661	}
3662
3663	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
3664	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
3665	%EXT_CORO = ();	4235	%EXT_CORO = ();
3666		4236
3667	warn "removing commands";	4237	trace "perl_reload: removing commands";
3668	%COMMAND = ();	4238	%COMMAND = ();
3669		4239
3670	warn "removing ext/exti commands";	4240	trace "perl_reload: removing ext/exti commands";
3671	%EXTCMD = ();	4241	%EXTCMD = ();
3672	%EXTICMD = ();	4242	%EXTICMD = ();
3673		4243
3674	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
3675	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
3676	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
3677		4247
3678	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
3679	eval {	4249	eval {
3680	$cb->($pkg);	4250	$cb->($pkg);
3681	1	4251	1
3682	} or warn "$pkg unloaded, but with errors: $@";	4252	} or error "$pkg unloaded, but with errors: $@";
3683	}	4253	}
3684		4254
3685	warn "... clearing $pkg";	4255	trace "... clearing $pkg";
3686	clear_package $pkg;	4256	clear_package $pkg;
3687	}	4257	}
3688		4258
3689	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3690	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3692		4262
3693	warn "... unloading $k";	4263	trace "... unloading $k";
3694	delete $INC{$k};	4264	delete $INC{$k};
3695		4265
3696	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
3697	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
3698		4268
…		…
3701	}	4271	}
3702		4272
3703	clear_package $k;	4273	clear_package $k;
3704	}	4274	}
3705		4275
3706	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
3707	clear_package "safe::$_"	4277	clear_package "safe::$_"
3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4278	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3709		4279
3710	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
3711	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
3712	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3713		4283
3714	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
3715	# and global variables created in xs	4285	# and global variables created in xs
3716	#clear_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
3717		4287
3718	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
3719		4289
3720	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
3721	require cf;	4291	require cf;
3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
3723		4293
3724	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
3725	cf::reload_config;	4295	cf::reload_config;
3726		4296
3727	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
3728	cf::load_extensions;	4298	cf::load_extensions;
3729		4299
		4300	if ($REATTACH_ON_RELOAD) {
3730	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
3731	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
3732	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
3733	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
3734	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
3735	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
		4307	}
3736		4308
3737	warn "running post_load";	4309	cf::_post_init 1;
3738	(pop @POST_INIT)->(1) while @POST_INIT;
3739		4310
3740	warn "leaving sync_job";	4311	trace "perl_reload: leaving sync_job";
3741		4312
3742	1	4313	1
3743	} or do {	4314	} or do {
3744	warn $@;	4315	error $@;
3745	cf::cleanup "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
3746	};	4317	};
3747		4318
3748	warn "reloaded";
3749	--$RELOAD;	4319	--$RELOAD;
3750	}	4320	}
		4321
		4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
3751	};	4324	};
3752		4325
3753	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
3754		4327
3755	sub reload_perl() {	4328	sub reload_perl() {
3756	# doing reload synchronously and two reloads happen back-to-back,	4329	# doing reload synchronously and two reloads happen back-to-back,
3757	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
3758		4331
		4332	$RELOAD_WATCHER ||= cf::async {
		4333	Coro::AIO::aio_wait cache_extensions;
		4334
3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3760	do_reload_perl;	4336	do_reload_perl;
3761	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
		4338	};
3762	};	4339	};
3763	}	4340	}
3764		4341
3765	register_command "reload" => sub {	4342	register_command "reload" => sub {
3766	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
…		…
3772	reload_perl;	4349	reload_perl;
3773	};	4350	};
3774	}	4351	}
3775	};	4352	};
3776		4353
3777	unshift @INC, $LIBDIR;	4354	#############################################################################
3778		4355
3779	my $bug_warning = 0;	4356	my $bug_warning = 0;
3780		4357
3781	our @WAIT_FOR_TICK;
3782	our @WAIT_FOR_TICK_BEGIN;
3783
3784	sub wait_for_tick {	4358	sub wait_for_tick() {
3785	return if tick_inhibit || $Coro::current == $Coro::main;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3786		4360
3787	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
3788	push @WAIT_FOR_TICK, $signal;
3789	$signal->wait;
3790	}	4362	}
3791		4363
3792	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
3793	return if tick_inhibit || $Coro::current == $Coro::main;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3794		4366
3795	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
3796	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
3797	$signal->wait;	4369	$signal->wait;
3798	}	4370	}
…		…
3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4374	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3803	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
3804	return;	4376	return;
3805	}	4377	}
3806		4378
3807	cf::server_tick; # one server iteration	4379	cf::one_tick; # one server iteration
		4380
		4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3808		4382
3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4384	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3811	Coro::async_pool {	4385	Coro::async_pool {
3812	$Coro::current->{desc} = "runtime saver";	4386	$Coro::current->{desc} = "runtime saver";
3813	write_runtime_sync	4387	write_runtime_sync
3814	or warn "ERROR: unable to write runtime file: $!";	4388	or error "ERROR: unable to write runtime file: $!";
3815	};	4389	};
3816	}	4390	}
3817		4391
3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3819	$sig->send;	4393	$sig->send;
3820	}	4394	}
3821	while (my $sig = shift @WAIT_FOR_TICK) {	4395	$WAIT_FOR_TICK->broadcast;
3822	$sig->send;
3823	}
3824		4396
3825	$LOAD = ($NOW - $TICK_START) / $TICK;	4397	$LOAD = ($NOW - $TICK_START) / $TICK;
3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3827		4399
3828	if (0) {	4400	if (0) {
3829	if ($NEXT_TICK) {	4401	if ($NEXT_TICK) {
3830	my $jitter = $TICK_START - $NEXT_TICK;	4402	my $jitter = $TICK_START - $NEXT_TICK;
3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3832	warn "jitter $JITTER\n";#d#	4404	debug "jitter $JITTER\n";#d#
3833	}	4405	}
3834	}	4406	}
3835	}	4407	}
3836		4408
3837	{	4409	{
3838	# configure BDB	4410	# configure BDB
		4411	info "initialising database";
3839		4412
3840	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
3841	BDB::max_poll_reqs $TICK * 0.1;	4414	BDB::max_poll_reqs $TICK * 0.1;
3842	$AnyEvent::BDB::WATCHER->priority (1);	4415	#$AnyEvent::BDB::WATCHER->priority (1);
3843		4416
3844	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
3845	$DB_ENV = BDB::db_env_create;	4418	$DB_ENV = BDB::db_env_create;
3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4419	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4420	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4445	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3873	};	4446	};
3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4447	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4448	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3876	};	4449	};
		4450
		4451	info "database initialised";
3877	}	4452	}
3878		4453
3879	{	4454	{
3880	# configure IO::AIO	4455	# configure IO::AIO
3881		4456
		4457	info "initialising aio";
3882	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
3883	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
3884	undef $AnyEvent::AIO::WATCHER;	4460	undef $AnyEvent::AIO::WATCHER;
		4461	info "aio initialised";
3885	}	4462	}
3886		4463
3887	my $_log_backtrace;	4464	our $_log_backtrace;
		4465	our $_log_backtrace_last;
3888		4466
3889	sub _log_backtrace {	4467	sub _log_backtrace {
3890	my ($msg, @addr) = @_;	4468	my ($msg, @addr) = @_;
3891		4469
3892	$msg =~ s/\n//;	4470	$msg =~ s/\n$//;
3893		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3894	# limit the # of concurrent backtraces	4475	# limit the # of concurrent backtraces
3895	if ($_log_backtrace < 2) {	4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
3896	++$_log_backtrace;	4478	++$_log_backtrace;
3897	my $perl_bt = Carp::longmess $msg;	4479	my $perl_bt = Carp::longmess $msg;
3898	async {	4480	async {
3899	$Coro::current->{desc} = "abt $msg";	4481	$Coro::current->{desc} = "abt $msg";
3900		4482
…		…
3920	LOG llevInfo, "[ABT] $_\n" for @bt;	4502	LOG llevInfo, "[ABT] $_\n" for @bt;
3921	--$_log_backtrace;	4503	--$_log_backtrace;
3922	};	4504	};
3923	} else {	4505	} else {
3924	LOG llevInfo, "[ABT] $msg\n";	4506	LOG llevInfo, "[ABT] $msg\n";
3925	LOG llevInfo, "[ABT] [suppressed]\n";	4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3926	}	4508	}
3927	}	4509	}
3928		4510
3929	# load additional modules	4511	# load additional modules
3930	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
3931		4514
3932	END { cf::emergency_save }	4515	END { cf::emergency_save }
3933		4516
3934	1	4517	1
3935		4518

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