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Revision 1.441 by root, Sat Aug 30 05:19:03 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
64	# configure various modules to our taste	69	# configure various modules to our taste
65	#	70	#
66	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69		79
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		82
72	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;
73		86
74	our %COMMAND = ();	87	our %COMMAND = ();
75	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
76		89
77	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
78	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
79	our %EXTICMD = ();	93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
82		97
83	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
85		102
86	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
87	our $DATADIR = datadir;	105	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
91	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
97	our %RESOURCE;	116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		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;
98		126
99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101	our $NEXT_TICK;	129	our $NEXT_TICK;
102	our $USE_FSYNC = 1; # use fsync to write maps - default off	130	our $USE_FSYNC = 1; # use fsync to write maps - default on
103		131
104	our $BDB_DEADLOCK_WATCHER;	132	our $BDB_DEADLOCK_WATCHER;
105	our $BDB_CHECKPOINT_WATCHER;	133	our $BDB_CHECKPOINT_WATCHER;
106	our $BDB_TRICKLE_WATCHER;	134	our $BDB_TRICKLE_WATCHER;
107	our $DB_ENV;	135	our $DB_ENV;
108		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
109	our %CFG;	139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
110		141
111	our $UPTIME; $UPTIME ||= time;	142	our $UPTIME; $UPTIME ||= time;
112	our $RUNTIME;	143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
113	our $NOW;	145	our $NOW;
114		146
115	our (%PLAYER, %PLAYER_LOADING); # all users	147	our (%PLAYER, %PLAYER_LOADING); # all users
116	our (%MAP, %MAP_LOADING ); # all maps	148	our (%MAP, %MAP_LOADING ); # all maps
117	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
…		…
122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
124	our $JITTER; # average jitter	156	our $JITTER; # average jitter
125	our $TICK_START; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
126		158
		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 $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
		166
127	binmode STDOUT;	167	binmode STDOUT;
128	binmode STDERR;	168	binmode STDERR;
129		169
130	# read virtual server time, if available	170	# read virtual server time, if available
131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
132	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
133	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
134	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
135	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
136		178
137	mkdir $_	179	mkdir $_
138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139		181
140	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
141		183
142	sub cf::map::normalise;	184	sub cf::map::normalise;
143		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
144	#############################################################################	190	#############################################################################
145		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
146	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
147		204
148	=over 4	205	=over 4
149		206
150	=item $cf::UPTIME	207	=item $cf::UPTIME
151		208
152	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.
153		225
154	=item $cf::RUNTIME	226	=item $cf::RUNTIME
155		227
156	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
157	every server tick.	229	every server tick.
158		230
159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
162		234
163	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
165	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
166	database environment.	238	database environment.
167		239
168	=item $cf::NOW
169
170	The time of the last (current) server tick.
171
172	=item $cf::TICK
173
174	The interval between server ticks, in seconds.
175
176	=item $cf::LOADAVG	240	=item $cf::LOADAVG
177		241
178	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
179	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
180	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
188	Configuration for the server, loaded from C</etc/deliantra-server/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
189	from wherever your confdir points to.	253	from wherever your confdir points to.
190		254
191	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
192		256
193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick.
194	returns directly I<after> the tick processing (and consequently, can only wake one process	258	cf::wait_for_tick_begin only returns directly I<after> the tick
		259	processing (and consequently, can only wake one thread per tick), while
195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	260	cf::wait_for_tick wakes up all waiters after tick processing.
		261
		262	Note that cf::wait_for_tick will immediately return when the server is not
		263	ticking, making it suitable for small pauses in threads that need to run
		264	when the server is paused. If that is not applicable (i.e. you I<really>
		265	want to wait, use C<$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();
196		278
197	=item @cf::INVOKE_RESULTS	279	=item @cf::INVOKE_RESULTS
198		280
199	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
200	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
201	that call.	283	that call.
202		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
203	=back	291	=back
204		292
205	=cut	293	=cut
206		294
207	BEGIN {	295	sub error(@) { LOG llevError, join "", @_ }
208	*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 {
209	my $msg = join "", @_;	302	my $msg = join "", @_;
210		303
211	$msg .= "\n"	304	$msg .= "\n"
212	unless $msg =~ /\n$/;	305	unless $msg =~ /\n$/;
213		306
214	$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;
215		308
216	LOG llevError, $msg;	309	LOG llevWarn, $msg;
217	};	310	};
218	}
219		311
220	$Coro::State::DIEHOOK = sub {	312	$Coro::State::DIEHOOK = sub {
221	return unless $^S eq 0; # "eq", not "=="	313	return unless $^S eq 0; # "eq", not "=="
222		314
223	if ($Coro::current == $Coro::main) {#d#	315	error Carp::longmess $_[0];
		316
		317	if (in_main) {#d#
224	warn "DIEHOOK called in main context, Coro bug?\n";#d#	318	error "DIEHOOK called in main context, Coro bug?\n";#d#
225	return;#d#	319	return;#d#
226	}#d#	320	}#d#
227		321
228	# kill coroutine otherwise	322	# kill coroutine otherwise
229	warn Carp::longmess $_[0];
230	Coro::terminate	323	Coro::terminate
231	};	324	};
232
233	$SIG{__DIE__} = sub { }; #d#?
234		325
235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
252	)) {	343	)) {
253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254	}	345	}
255		346
256	$EV::DIED = sub {	347	$EV::DIED = sub {
257	warn "error in event callback: @_";	348	warn "error in event callback: $@";
258	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
259		355
260	#############################################################################	356	#############################################################################
261		357
262	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
263		359
…		…
284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
285	$d	381	$d
286	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
287	}	383	}
288		384
		385	=item $scalar = cf::load_file $path
		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($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
289	=item $ref = cf::decode_json $json	437	=item $ref = cf::decode_json $json
290		438
291	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
292		440
293	=item $json = cf::encode_json $ref	441	=item $json = cf::encode_json $ref
…		…
299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	447	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300		448
301	sub encode_json($) { $json_coder->encode ($_[0]) }	449	sub encode_json($) { $json_coder->encode ($_[0]) }
302	sub decode_json($) { $json_coder->decode ($_[0]) }	450	sub decode_json($) { $json_coder->decode ($_[0]) }
303		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 $_[0]
		495	}
		496
		497	=item cf::post_init { BLOCK }
		498
		499	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		500	but I<before> the server starts ticking again.
		501
		502	The codeblock will have a single boolean argument to indicate whether this
		503	is a reload or not.
		504
		505	=cut
		506
		507	sub post_init(&) {
		508	push @POST_INIT, shift;
		509	}
		510
		511	sub _post_init {
		512	trace "running post_init jobs";
		513
		514	# run them in parallel...
		515
		516	my @join;
		517
		518	while () {
		519	push @join, map &Coro::async ($_, 0), @POST_INIT;
		520	@POST_INIT = ();
		521
		522	@join or last;
		523
		524	(pop @join)->join;
		525	}
		526	}
		527
304	=item cf::lock_wait $string	528	=item cf::lock_wait $string
305		529
306	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
307		531
308	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
309		533
310	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
311	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,
312	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
313	returned.	537	returned.
314		538
315	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
316	deadlocked coro.	540	deadlocked coro.
…		…
322		546
323	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.
324		548
325	=cut	549	=cut
326		550
327	our %LOCK;	551	our $LOCKS = new Coro::SemaphoreSet;
328	our %LOCKER;#d#
329		552
330	sub lock_wait($) {	553	sub lock_wait($) {
331	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
332
333	if ($LOCKER{$key} == $Coro::current) {#d#
334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335	return;#d#
336	}#d#
337
338	# wait for lock, if any
339	while ($LOCK{$key}) {
340	push @{ $LOCK{$key} }, $Coro::current;
341	Coro::schedule;
342	}
343	}	555	}
344		556
345	sub lock_acquire($) {	557	sub lock_acquire($) {
346	my ($key) = @_;	558	$LOCKS->guard ($_[0])
347
348	# wait, to be sure we are not locked
349	lock_wait $key;
350
351	$LOCK{$key} = [];
352	$LOCKER{$key} = $Coro::current;#d#
353
354	Coro::guard {
355	delete $LOCKER{$key};#d#
356	# wake up all waiters, to be on the safe side
357	$_->ready for @{ delete $LOCK{$key} };
358	}
359	}	559	}
360		560
361	sub lock_active($) {	561	sub lock_active($) {
362	my ($key) = @_;	562	$LOCKS->count ($_[0]) < 1
363
364	! ! $LOCK{$key}
365	}	563	}
366		564
367	sub freeze_mainloop {	565	sub freeze_mainloop {
368	tick_inhibit_inc;	566	tick_inhibit_inc;
369		567
370	Coro::guard \&tick_inhibit_dec;	568	&Guard::guard (\&tick_inhibit_dec);
371	}	569	}
372		570
373	=item cf::periodic $interval, $cb	571	=item cf::periodic $interval, $cb
374		572
375	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
376	get spread over timer.	574	get spread over time.
377		575
378	=cut	576	=cut
379		577
380	sub periodic($$) {	578	sub periodic($$) {
381	my ($interval, $cb) = @_;	579	my ($interval, $cb) = @_;
…		…
385	EV::periodic $start, $interval, 0, $cb	583	EV::periodic $start, $interval, 0, $cb
386	}	584	}
387		585
388	=item cf::get_slot $time[, $priority[, $name]]	586	=item cf::get_slot $time[, $priority[, $name]]
389		587
390	Allocate $time seconds of blocking CPU time at priority C<$priority>:	588	Allocate $time seconds of blocking CPU time at priority C<$priority>
391	This call blocks and returns only when you have at least C<$time> seconds	589	(default: 0): This call blocks and returns only when you have at least
392	of cpu time till the next tick. The slot is only valid till the next cede.	590	C<$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.
393		595
394	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
395	used for statistical purposes and should identify the same time-class.	597	used for statistical purposes and should identify the same time-class.
396		598
397	Useful for short background jobs.	599	Useful for short background jobs.
398		600
399	=cut	601	=cut
400		602
401	our @SLOT_QUEUE;	603	our @SLOT_QUEUE;
402	our $SLOT_QUEUE;	604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
403		606
404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405	$SLOT_QUEUE = Coro::async {	608	$SLOT_QUEUE = Coro::async {
406	$Coro::current->desc ("timeslot manager");	609	$Coro::current->desc ("timeslot manager");
407		610
408	my $signal = new Coro::Signal;	611	my $signal = new Coro::Signal;
		612	my $busy;
409		613
410	while () {	614	while () {
411	next_job:	615	next_job:
		616
		617	Coro::cede;
		618
412	my $avail = cf::till_tick;	619	my $avail = cf::till_tick;
413	if ($avail > 0.01) {	620
414	for (0 .. $#SLOT_QUEUE) {	621	for (0 .. $#SLOT_QUEUE) {
415	if ($SLOT_QUEUE[$_][0] < $avail) {	622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
416	my $job = splice @SLOT_QUEUE, $_, 1, ();	624	my $job = splice @SLOT_QUEUE, $_, 1, ();
417	$job->[2]->send;	625	$job->[2]->send;
418	Coro::cede;
419	goto next_job;	626	goto next_job;
420	}	627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
421	}	629	}
422	}	630	}
423		631
424	if (@SLOT_QUEUE) {	632	if (@SLOT_QUEUE) {
425	# we do not use wait_for_tick() as it returns immediately when tick is inactive	633	wait_for_tick;
426	push @cf::WAIT_FOR_TICK, $signal;
427	$signal->wait;
428	} else {	634	} else {
		635	$busy = 0;
429	Coro::schedule;	636	Coro::schedule;
430	}	637	}
431	}	638	}
432	};	639	};
433		640
434	sub get_slot($;$$) {	641	sub get_slot($;$$) {
435	return if tick_inhibit || $Coro::current == $Coro::main;	642	return if tick_inhibit || $Coro::current == $Coro::main;
436		643
437	my ($time, $pri, $name) = @_;	644	my ($time, $pri, $name) = @_;
438		645
439	$time = $TICK * .6 if $time > $TICK * .6;	646	$time = clamp $time, 0.01, $TICK * .6;
		647
440	my $sig = new Coro::Signal;	648	my $sig = new Coro::Signal;
441		649
442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	650	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	651	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444	$SLOT_QUEUE->ready;	652	$SLOT_QUEUE->ready;
…		…
456	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
457		665
458	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
459		667
460	The design of Deliantra requires that the main coroutine ($Coro::main)	668	The design of Deliantra requires that the main coroutine ($Coro::main)
461	is always able to handle events or runnable, as Deliantra is only	669	is always able to handle events or is runnable, as Deliantra is only
462	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	670	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
463	acceptable.	671	acceptable.
464		672
465	If it must be done, put the blocking parts into C<sync_job>. This will run	673	If it must be done, put the blocking parts into C<sync_job>. This will run
466	the given BLOCK in another coroutine while waiting for the result. The	674	the given BLOCK in another coroutine while waiting for the result. The
…		…
470	=cut	678	=cut
471		679
472	sub sync_job(&) {	680	sub sync_job(&) {
473	my ($job) = @_;	681	my ($job) = @_;
474		682
475	if ($Coro::current == $Coro::main) {	683	if (in_main) {
476	my $time = EV::time;	684	my $time = AE::time;
477		685
478	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
479	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
480		688
481	LOG llevError, Carp::longmess "sync job";#d#	689	#LOG llevError, Carp::longmess "sync job";#d#
482		690
483	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
484		692
485	my $busy = 1;	693	my $busy = 1;
486	my @res;	694	my @res;
487		695
488	(async {	696	(async {
489	$Coro::current->desc ("sync job coro");	697	$Coro::current->desc ("sync job coro");
490	@res = eval { $job->() };	698	@res = eval { $job->() };
491	warn $@ if $@;	699	error $@ if $@;
492	undef $busy;	700	undef $busy;
493	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
494		702
495	while ($busy) {	703	while ($busy) {
496	if (Coro::nready) {	704	if (Coro::nready) {
497	Coro::cede_notself;	705	Coro::cede_notself;
498	} else {	706	} else {
499	EV::loop EV::LOOP_ONESHOT;	707	EV::run EV::RUN_ONCE;
500	}	708	}
501	}	709	}
502		710
503	my $time = EV::time - $time;	711	my $time = AE::time - $time;
504		712
505	$TICK_START += $time; # do not account sync jobs to server load	713	$TICK_START += $time; # do not account sync jobs to server load
506		714
507	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
508	} else {	716	} else {
…		…
530	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
531		739
532	$coro	740	$coro
533	}	741	}
534		742
535	=item fork_call { }, $args	743	=item fork_call { }, @args
536		744
537	Executes the given code block with the given arguments in a seperate	745	Executes the given code block with the given arguments in a seperate
538	process, returning the results. Everything must be serialisable with	746	process, returning the results. Everything must be serialisable with
539	Coro::Storable. May, of course, block. Note that the executed sub may	747	Coro::Storable. May, of course, block. Note that the executed sub may
540	never block itself or use any form of event handling.	748	never block itself or use any form of event handling.
541		749
542	=cut	750	=cut
543		751
		752	sub post_fork {
		753	reset_signals;
		754	}
		755
544	sub fork_call(&@) {	756	sub fork_call(&@) {
545	my ($cb, @args) = @_;	757	my ($cb, @args) = @_;
546		758
547	# we seemingly have to make a local copy of the whole thing,
548	# otherwise perl prematurely frees the stuff :/
549	# TODO: investigate and fix (likely this will be rather laborious)
550
551	my @res = Coro::Util::fork_eval {	759	my @res = Coro::Util::fork_eval {
552	reset_signals;	760	cf::post_fork;
553	&$cb	761	&$cb
554	}, @args;	762	} @args;
555		763
556	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	)
557	}	776	}
558		777
559	=item $coin = coin_from_name $name	778	=item $coin = coin_from_name $name
560		779
561	=cut	780	=cut
…		…
598	within each server.	817	within each server.
599		818
600	=cut	819	=cut
601		820
602	sub db_table($) {	821	sub db_table($) {
		822	cf::error "db_get called from main context"
		823	if $Coro::current == $Coro::main;
		824
603	my ($name) = @_;	825	my ($name) = @_;
604	my $db = BDB::db_create $DB_ENV;	826	my $db = BDB::db_create $DB_ENV;
605		827
606	eval {	828	eval {
607	$db->set_flags (BDB::CHKSUM);	829	$db->set_flags (BDB::CHKSUM);
…		…
617	}	839	}
618		840
619	our $DB;	841	our $DB;
620		842
621	sub db_init {	843	sub db_init {
622	cf::sync_job {
623	$DB ||= db_table "db";	844	$DB ||= db_table "db";
624	};
625	}	845	}
626		846
627	sub db_get($$) {	847	sub db_get($$) {
628	my $key = "$_[0]/$_[1]";	848	my $key = "$_[0]/$_[1]";
629		849
630	cf::sync_job {	850	cf::error "db_get called from main context"
		851	if $Coro::current == $Coro::main;
		852
631	BDB::db_get $DB, undef, $key, my $data;	853	BDB::db_get $DB, undef, $key, my $data;
632		854
633	$! ? ()	855	$! ? ()
634	: $data	856	: $data
635	}
636	}	857	}
637		858
638	sub db_put($$$) {	859	sub db_put($$$) {
639	BDB::dbreq_pri 4;	860	BDB::dbreq_pri 4;
640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
668		889
669	my @data;	890	my @data;
670	my $md5;	891	my $md5;
671		892
672	for (0 .. $#$src) {	893	for (0 .. $#$src) {
673	0 <= aio_load $src->[$_], $data[$_]	894	$data[$_] = load_file $src->[$_];
674	or Carp::croak "$src->[$_]: $!";
675	}	895	}
676		896
677	# if processing is expensive, check	897	# if processing is expensive, check
678	# checksum first	898	# checksum first
679	if (1) {	899	if (1) {
…		…
692		912
693	return db_get cache => "$id/data";	913	return db_get cache => "$id/data";
694	}	914	}
695	}	915	}
696		916
697	my $t1 = Time::HiRes::time;	917	my $t1 = EV::time;
698	my $data = $process->(\@data);	918	my $data = $process->(\@data);
699	my $t2 = Time::HiRes::time;	919	my $t2 = EV::time;
700		920
701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	921	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
702		922
703	db_put cache => "$id/data", $data;	923	db_put cache => "$id/data", $data;
704	db_put cache => "$id/md5" , $md5;	924	db_put cache => "$id/md5" , $md5;
705	db_put cache => "$id/meta", $meta;	925	db_put cache => "$id/meta", $meta;
706		926
…		…
716		936
717	=cut	937	=cut
718		938
719	sub datalog($@) {	939	sub datalog($@) {
720	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
722	}	942	}
723		943
724	=back	944	=back
725		945
726	=cut	946	=cut
727		947
728	#############################################################################	948	#############################################################################
729		949
730	=head2 ATTACHABLE OBJECTS	950	=head2 ATTACHABLE OBJECTS
731		951
732	Many objects in crossfire are so-called attachable objects. That means you can	952	Many objects in deliantra are so-called attachable objects. That means you can
733	attach callbacks/event handlers (a collection of which is called an "attachment")	953	attach callbacks/event handlers (a collection of which is called an "attachment")
734	to it. All such attachable objects support the following methods.	954	to it. All such attachable objects support the following methods.
735		955
736	In the following description, CLASS can be any of C<global>, C<object>	956	In the following description, CLASS can be any of C<global>, C<object>
737	C<player>, C<client> or C<map> (i.e. the attachable objects in	957	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
787	=item cf::CLASS::attachment $name, ...	1007	=item cf::CLASS::attachment $name, ...
788		1008
789	Register an attachment by C<$name> through which attachable objects of the	1009	Register an attachment by C<$name> through which attachable objects of the
790	given CLASS can refer to this attachment.	1010	given CLASS can refer to this attachment.
791		1011
792	Some classes such as crossfire maps and objects can specify attachments	1012	Some classes such as deliantra maps and objects can specify attachments
793	that are attached at load/instantiate time, thus the need for a name.	1013	that are attached at load/instantiate time, thus the need for a name.
794		1014
795	These calls expect any number of the following handler/hook descriptions:	1015	These calls expect any number of the following handler/hook descriptions:
796		1016
797	=over 4	1017	=over 4
…		…
921		1141
922	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
923	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
924		1144
925	} elsif (ref $type) {	1145	} elsif (ref $type) {
926	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
927		1147
928	} else {	1148	} else {
929	shift @arg;	1149	shift @arg;
930	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
931	}	1151	}
932	}	1152	}
933	}	1153	}
934		1154
935	sub _object_attach {	1155	sub _object_attach {
…		…
945	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
946	}	1166	}
947		1167
948	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
949	} else {	1169	} else {
950	warn "object uses attachment '$name' which is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
951	}	1171	}
952		1172
953	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
954	}	1174	}
955		1175
…		…
1014		1234
1015	for (@$callbacks) {	1235	for (@$callbacks) {
1016	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
1017		1237
1018	if ($@) {	1238	if ($@) {
1019	warn "$@";
1020	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1021	override;	1240	override;
1022	}	1241	}
1023		1242
1024	return 1 if $override;	1243	return 1 if $override;
1025	}	1244	}
…		…
1104	for (@$attach) {	1323	for (@$attach) {
1105	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
1106	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
1107	}	1326	}
1108	} else {	1327	} else {
1109	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
1110	}	1329	}
1111	}	1330	}
1112	}	1331	}
1113		1332
1114	cf::attachable->attach (	1333	cf::attachable->attach (
…		…
1141	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
1142		1361
1143	sync_job {	1362	sync_job {
1144	if (length $$rdata) {	1363	if (length $$rdata) {
1145	utf8::decode (my $decname = $filename);	1364	utf8::decode (my $decname = $filename);
1146	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
1147	$decname, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
1148		1368
1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1150	aio_chmod $fh, SAVE_MODE;	1370	aio_chmod $fh, SAVE_MODE;
1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1152	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	}
1153	aio_close $fh;	1376	aio_close $fh;
1154		1377
1155	if (@$objs) {	1378	if (@$objs) {
1156	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) {
1157	aio_chmod $fh, SAVE_MODE;	1380	aio_chmod $fh, SAVE_MODE;
1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1159	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
1160	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	}
1161	aio_close $fh;	1387	aio_close $fh;
1162	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
1163	}	1389	}
1164	} else {	1390	} else {
1165	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
1166	}	1392	}
1167		1393
1168	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
		1395
		1396	$filename =~ s%/[^/]+$%%;
		1397	aio_pathsync $filename if $cf::USE_FSYNC;
1169	} else {	1398	} else {
1170	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
1171	}	1400	}
1172	} else {	1401	} else {
1173	aio_unlink $filename;	1402	aio_unlink $filename;
1174	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
1175	}	1404	}
…		…
1199	my $st = eval { Coro::Storable::thaw $av };	1428	my $st = eval { Coro::Storable::thaw $av };
1200	$av = $st->{objs};	1429	$av = $st->{objs};
1201	}	1430	}
1202		1431
1203	utf8::decode (my $decname = $filename);	1432	utf8::decode (my $decname = $filename);
1204	warn sprintf "loading %s (%d,%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
1205	$decname, length $data, scalar @{$av || []};	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
1206		1436
1207	($data, $av)	1437	($data, $av)
1208	}	1438	}
1209		1439
1210	=head2 COMMAND CALLBACKS	1440	=head2 COMMAND CALLBACKS
…		…
1214	=cut	1444	=cut
1215		1445
1216	#############################################################################	1446	#############################################################################
1217	# command handling &c	1447	# command handling &c
1218		1448
1219	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
1220		1450
1221	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
1222	$name.	1452	$name.
1223		1453
1224	=cut	1454	=cut
…		…
1230	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
1231		1461
1232	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
1233	}	1463	}
1234		1464
1235	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
1236		1466
1237	Register a callback for execution when the client sends an (synchronous)	1467	Register a callback for execution when the client sends an (synchronous)
1238	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
1239	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
1240	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
1241	has logged in successfully.	1471	has logged in successfully.
1242		1472
1243	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1244	called.
1245		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
1246	=item cf::register_exticmd $name => \&callback($ns,$packet);	1480	=item cf::register_exticmd $name => \&callback($ns,@args)
1247		1481
1248	Register a callback for execution when the client sends an (asynchronous)	1482	Register a callback for execution when the client sends an (asynchronous)
1249	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
1250	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
1251	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
1252	log-in.	1486	log-in.
1253		1487
1254	If the callback returns something, it is sent back as if reply was being	1488	The values will be sent back to the client.
1255	called.
1256		1489
1257	=cut	1490	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1258		1491
		1492	Same as C<cf::register_extcmd>, but instead of returning values, the
		1493	callback needs to clal the C<$reply> function.
		1494
		1495	=cut
		1496
1259	sub register_extcmd {	1497	sub register_extcmd($$) {
1260	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
1261		1499
1262	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
1263	}	1501	}
1264		1502
1265	sub register_exticmd {	1503	sub register_async_extcmd($$) {
1266	my ($name, $cb) = @_;	1504	my ($name, $cb) = @_;
1267		1505
		1506	$EXTACMD{$name} = $cb;
		1507	}
		1508
		1509	sub register_exticmd($$) {
		1510	my ($name, $cb) = @_;
		1511
1268	$EXTICMD{$name} = $cb;	1512	$EXTICMD{$name} = $cb;
1269	}	1513	}
1270		1514
		1515	sub register_async_exticmd($$) {
		1516	my ($name, $cb) = @_;
		1517
		1518	$EXTIACMD{$name} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
1271	cf::player->attach (	1523	cf::player->attach (
1272	on_command => sub {	1524	on_unknown_command => sub {
1273	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
1274		1526
1275	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
1276	or return;	1528	or return;
1277		1529
…		…
1285	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
1286		1538
1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1288		1540
1289	if (ref $msg) {	1541	if (ref $msg) {
1290	my ($type, $reply, @payload) =	1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1291	"ARRAY" eq ref $msg
1292	? @$msg
1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1294		1543
1295	my @reply;
1296
1297	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}) {
1298	@reply = $cb->($pl, @payload);	1557	@reply = $cb->($pl, @payload);
		1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
1299	}	1562	}
1300		1563
1301	$pl->ext_reply ($reply, @reply)
1302	if $reply;
1303
1304	} else {	1564	} else {
1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1306	}	1566	}
1307		1567
1308	cf::override;	1568	cf::override;
1309	},	1569	},
1310	);	1570	);
1311		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
1312	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
1313	cf::sync_job {	1601	cf::sync_job {
1314	my %todo;	1602	my %todo;
1315		1603
1316	for my $path (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
1317	next unless -r $path;	1605	next unless -r $path;
…		…
1335		1623
1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1624	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1625	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1338		1626
1339	$ext{source} =	1627	$ext{source} =
1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1628	"package $pkg; use common::sense;\n"
1341	. "#line 1 \"$path\"\n{\n"	1629	. "#line 1 \"$path\"\n{\n"
1342	. $source	1630	. $source
1343	. "\n};\n1";	1631	. "\n};\n1";
1344		1632
1345	$todo{$base} = \%ext;	1633	$todo{$base} = \%ext;
1346	}	1634	}
1347		1635
		1636	my $pass = 0;
1348	my %done;	1637	my %done;
1349	while (%todo) {	1638	while (%todo) {
1350	my $progress;	1639	my $progress;
1351		1640
		1641	++$pass;
		1642
		1643	ext:
1352	while (my ($k, $v) = each %todo) {	1644	while (my ($k, $v) = each %todo) {
1353	for (split /,\s*/, $v->{meta}{depends}) {	1645	for (split /,\s*/, $v->{meta}{depends}) {
1354	goto skip	1646	next ext
1355	unless exists $done{$_};	1647	unless exists $done{$_};
1356	}	1648	}
1357		1649
1358	warn "... loading '$k' into '$v->{pkg}'\n";	1650	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1359		1651
1360	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 $@) {
1361	my $msg = $@ ? "$v->{path}: $@\n"	1664	error "$v->{path}: $@\n";
1362	: "$v->{base}: extension inactive.\n";
1363		1665
1364	if (exists $v->{meta}{mandatory}) {
1365	warn $msg;
1366	cf::cleanup "mandatory extension failed to load, exiting.";	1666	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1367	}	1667	if exists $v->{meta}{mandatory};
1368		1668
1369	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;
1370	}	1678	}
1371
1372	$done{$k} = delete $todo{$k};
1373	push @EXTS, $v->{pkg};
1374	$progress = 1;
1375	}	1679	}
1376		1680
1377	skip:	1681	unless ($progress) {
1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1682	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1379	unless $progress;	1683
		1684	while (my ($k, $v) = each %todo) {
		1685	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1686	if exists $v->{meta}{mandatory};
		1687	}
		1688
		1689	last;
		1690	}
1380	}	1691	}
1381	};	1692	};
1382	}	1693	}
1383		1694
1384	#############################################################################	1695	#############################################################################
1385		1696
1386	=back	1697	=back
1387		1698
1388	=head2 CORE EXTENSIONS	1699	=head2 CORE EXTENSIONS
1389		1700
1390	Functions and methods that extend core crossfire objects.	1701	Functions and methods that extend core deliantra objects.
1391		1702
1392	=cut	1703	=cut
1393		1704
1394	package cf::player;	1705	package cf::player;
1395		1706
…		…
1438		1749
1439	sub exists($) {	1750	sub exists($) {
1440	my ($login) = @_;	1751	my ($login) = @_;
1441		1752
1442	$cf::PLAYER{$login}	1753	$cf::PLAYER{$login}
1443	or cf::sync_job { !aio_stat path $login }	1754	or !aio_stat path $login
1444	}	1755	}
1445		1756
1446	sub find($) {	1757	sub find($) {
1447	return $cf::PLAYER{$_[0]} || do {	1758	return $cf::PLAYER{$_[0]} || do {
1448	my $login = $_[0];	1759	my $login = $_[0];
…		…
1468	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1469	}	1780	}
1470	}	1781	}
1471	}	1782	}
1472		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($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
1473	sub save($) {	1797	sub save($) {
1474	my ($pl) = @_;	1798	my ($pl) = @_;
1475		1799
1476	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
1477		1801
…		…
1482		1806
1483	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1484	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
1485		1809
1486	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];
1487		1814
1488	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1489	cf::cede_to_tick;	1816	cf::cede_to_tick;
1490	}	1817	}
1491		1818
…		…
1523	my ($pl) = @_;	1850	my ($pl) = @_;
1524		1851
1525	my $name = $pl->ob->name;	1852	my $name = $pl->ob->name;
1526		1853
1527	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1528	$pl->password ("*"); # this should lock out the player until we nuked the dir	1855	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1529		1856
1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1531	$pl->deactivate;	1858	$pl->deactivate;
		1859
1532	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;
1533	$pl->ob->check_score;
1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1535	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1536		1865
1537	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1538	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1539	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
…		…
1593	\@logins	1922	\@logins
1594	}	1923	}
1595		1924
1596	=item $player->maps	1925	=item $player->maps
1597		1926
		1927	=item cf::player::maps $login
		1928
1598	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1599	player. May block.	1930	player. May block.
1600		1931
1601	=cut	1932	=cut
1602		1933
…		…
1619	}	1950	}
1620		1951
1621	\@paths	1952	\@paths
1622	}	1953	}
1623		1954
1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625		1956
1626	Expand crossfire pod fragments into protocol xml.	1957	Expand deliantra pod fragments into protocol xml.
1627
1628	=cut
1629
1630	use re 'eval';
1631
1632	my $group;
1633	my $interior; $interior = qr{
1634	# match a pod interior sequence sans C<< >>
1635	(?:
1636	\ (.*?)\ (?{ $group = $^N })
1637	| < (??{$interior}) >
1638	)
1639	}x;
1640
1641	sub expand_cfpod {
1642	my ($self, $pod) = @_;
1643
1644	my $xml;
1645
1646	while () {
1647	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1648	$group = $1;
1649
1650	$group =~ s/&/&amp;/g;
1651	$group =~ s/</&lt;/g;
1652
1653	$xml .= $group;
1654	} elsif ($pod =~ m%\G
1655	([BCGHITU])
1656	<
1657	(?:
1658	([^<>]*) (?{ $group = $^N })
1659	| < $interior >
1660	)
1661	>
1662	%gcsx
1663	) {
1664	my ($code, $data) = ($1, $group);
1665
1666	if ($code eq "B") {
1667	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1668	} elsif ($code eq "I") {
1669	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1670	} elsif ($code eq "U") {
1671	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1672	} elsif ($code eq "C") {
1673	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1674	} elsif ($code eq "T") {
1675	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1676	} elsif ($code eq "G") {
1677	my ($male, $female) = split /\|/, $data;
1678	$data = $self->gender ? $female : $male;
1679	$xml .= expand_cfpod ($self, $data);
1680	} elsif ($code eq "H") {
1681	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1682	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1683	"")
1684	[$self->{hintmode}];
1685	} else {
1686	$xml .= "error processing '$code($data)' directive";
1687	}
1688	} else {
1689	if ($pod =~ /\G(.+)/) {
1690	warn "parse error while expanding $pod (at $1)";
1691	}
1692	last;
1693	}
1694	}
1695
1696	for ($xml) {
1697	# create single paragraphs (very hackish)
1698	s/(?<=\S)\n(?=\w)/ /g;
1699
1700	# compress some whitespace
1701	s/\s+\n/\n/g; # ws line-ends
1702	s/\n\n+/\n/g; # double lines
1703	s/^\n+//; # beginning lines
1704	s/\n+$//; # ending lines
1705	}
1706
1707	$xml
1708	}
1709
1710	no re 'eval';
1711
1712	sub hintmode {
1713	$_[0]{hintmode} = $_[1] if @_ > 1;
1714	$_[0]{hintmode}
1715	}
1716
1717	=item $player->ext_reply ($msgid, @msg)
1718
1719	Sends an ext reply to the player.
1720
1721	=cut
1722
1723	sub ext_reply($$@) {
1724	my ($self, $id, @msg) = @_;
1725
1726	$self->ns->ext_reply ($id, @msg)
1727	}
1728		1958
1729	=item $player->ext_msg ($type, @msg)	1959	=item $player->ext_msg ($type, @msg)
1730		1960
1731	Sends an ext event to the client.	1961	Sends an ext event to the client.
1732		1962
…		…
1752		1982
1753	=cut	1983	=cut
1754		1984
1755	sub find_by_path($) {	1985	sub find_by_path($) {
1756	my ($path) = @_;	1986	my ($path) = @_;
		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
1757		1989
1758	my ($match, $specificity);	1990	my ($match, $specificity);
1759		1991
1760	for my $region (list) {	1992	for my $region (list) {
1761	if ($region->{match} && $path =~ $region->{match}) {	1993	if ($region->{match} && $path =~ $region->{match}) {
…		…
1790	sub generate_random_map {	2022	sub generate_random_map {
1791	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1792		2024
1793	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
1794		2026
1795	# mit "rum" bekleckern, nicht
1796	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1797	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1798	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1799	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1800	$rmp->{exit_on_final_map},
1801	$rmp->{xsize}, $rmp->{ysize},
1802	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1803	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1804	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1805	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1806	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1807	(cf::region::find $rmp->{region}), $rmp->{custom}
1808	)
1809	}	2028	}
1810		2029
1811	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1812		2031
1813	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
…		…
1818		2037
1819	sub register {	2038	sub register {
1820	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1821	my $pkg = caller;	2040	my $pkg = caller;
1822		2041
1823	no strict;
1824	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1825		2043
1826	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1827	}	2045	}
1828		2046
1829	# also paths starting with '/'	2047	# also paths starting with '/'
1830	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1831		2049
1832	sub thawer_merge {	2050	sub thawer_merge {
1833	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1834		2052
1835	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
…		…
1840	}	2058	}
1841		2059
1842	sub normalise {	2060	sub normalise {
1843	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1844		2062
1845	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1846		2064
1847	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1848		2066
1849	# map plan:	2067	# map plan:
1850	#	2068	#
…		…
1865	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1866	$path = "$base/$path";	2084	$path = "$base/$path";
1867	}	2085	}
1868		2086
1869	for ($path) {	2087	for ($path) {
1870	redo if s{//}{/};
1871	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1872	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1873	}	2090	}
1874		2091
1875	$path	2092	$path
…		…
1889	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1890	return $self;	2107	return $self;
1891	}	2108	}
1892	}	2109	}
1893		2110
1894	Carp::cluck "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1895	()	2112	()
1896	}	2113	}
1897		2114
		2115	# may re-bless or do other evil things
1898	sub init {	2116	sub init {
1899	my ($self) = @_;	2117	my ($self) = @_;
1900		2118
1901	$self	2119	$self
1902	}	2120	}
…		…
1933		2151
1934	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1935	"$UNIQUEDIR/$path"	2153	"$UNIQUEDIR/$path"
1936	}	2154	}
1937		2155
1938	# and all this just because we cannot iterate over
1939	# all maps in C++...
1940	sub change_all_map_light {
1941	my ($change) = @_;
1942
1943	$_->change_map_light ($change)
1944	for grep $_->outdoor, values %cf::MAP;
1945	}
1946
1947	sub decay_objects {	2156	sub decay_objects {
1948	my ($self) = @_;	2157	my ($self) = @_;
1949		2158
1950	return if $self->{deny_reset};	2159	return if $self->{deny_reset};
1951		2160
…		…
1976	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1977		2186
1978	1	2187	1
1979	}	2188	}
1980		2189
		2190	# used to laod the header of an original map
1981	sub load_header_orig {	2191	sub load_header_orig {
1982	my ($self) = @_;	2192	my ($self) = @_;
1983		2193
1984	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1985	}	2195	}
1986		2196
		2197	# used to laod the header of an instantiated map
1987	sub load_header_temp {	2198	sub load_header_temp {
1988	my ($self) = @_;	2199	my ($self) = @_;
1989		2200
1990	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1991	}	2202	}
1992		2203
		2204	# called after loading the header from an instantiated map
1993	sub prepare_temp {	2205	sub prepare_temp {
1994	my ($self) = @_;	2206	my ($self) = @_;
1995		2207
1996	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1997	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1998	# safety	2210	# safety
1999	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
2000	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
2001	}	2213	}
2002		2214
		2215	# called after loading the header from an original map
2003	sub prepare_orig {	2216	sub prepare_orig {
2004	my ($self) = @_;	2217	my ($self) = @_;
2005		2218
2006	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
2007	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2031		2244
2032	sub find;	2245	sub find;
2033	sub find {	2246	sub find {
2034	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
2035		2248
		2249	cf::cede_to_tick;
		2250
2036	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
2037		2252
2038	cf::lock_wait "map_data:$path";#d#remove	2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2039	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
2040		2255
2041	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
2042	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2043	my $guard2 = cf::lock_acquire "map_find:$path";
2044
2045	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
2046	or return;	2258	or return;
2047		2259
2048	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
2049		2261
…		…
2061		2273
2062	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
2063	}	2275	}
2064	}	2276	}
2065		2277
2066	sub pre_load { }	2278	sub pre_load { }
2067	sub post_load { }	2279	#sub post_load { } # XS
2068		2280
2069	sub load {	2281	sub load {
2070	my ($self) = @_;	2282	my ($self) = @_;
2071		2283
2072	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2075		2287
2076	{	2288	{
2077	my $guard = cf::lock_acquire "map_data:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
2078		2290
2079	return unless $self->valid;	2291	return unless $self->valid;
2080	return unless $self->in_memory == cf::MAP_SWAPPED;	2292	return unless $self->state == cf::MAP_SWAPPED;
2081
2082	$self->in_memory (cf::MAP_LOADING);
2083		2293
2084	$self->alloc;	2294	$self->alloc;
2085		2295
2086	$self->pre_load;	2296	$self->pre_load;
2087	cf::cede_to_tick;	2297	cf::cede_to_tick;
2088		2298
		2299	if (exists $self->{load_path}) {
2089	my $f = new_from_file cf::object::thawer $self->{load_path};	2300	my $f = new_from_file cf::object::thawer $self->{load_path};
2090	$f->skip_block;	2301	$f->skip_block;
2091	$self->_load_objects ($f)	2302	$self->_load_objects ($f)
2092	or return;	2303	or return;
2093		2304
2094	$self->post_load_original	2305	$self->post_load_original
2095	if delete $self->{load_original};	2306	if delete $self->{load_original};
2096		2307
2097	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
2098	utf8::encode $uniq;	2309	utf8::encode $uniq;
2099	unless (aio_stat $uniq) {	2310	unless (aio_stat $uniq) {
2100	if (my $f = new_from_file cf::object::thawer $uniq) {	2311	if (my $f = new_from_file cf::object::thawer $uniq) {
2101	$self->clear_unique_items;	2312	$self->clear_unique_items;
2102	$self->_load_objects ($f);	2313	$self->_load_objects ($f);
2103	$f->resolve_delayed_derefs;	2314	$f->resolve_delayed_derefs;
		2315	}
2104	}	2316	}
2105	}	2317	}
2106	}
2107		2318
2108	$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);
2109		2326
2110	cf::cede_to_tick;	2327	cf::cede_to_tick;
2111	# now do the right thing for maps	2328	# now do the right thing for maps
2112	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
2113	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
…		…
2117	unless ($self->{deny_activate}) {	2334	unless ($self->{deny_activate}) {
2118	$self->decay_objects;	2335	$self->decay_objects;
2119	$self->fix_auto_apply;	2336	$self->fix_auto_apply;
2120	$self->update_buttons;	2337	$self->update_buttons;
2121	cf::cede_to_tick;	2338	cf::cede_to_tick;
2122	$self->set_darkness_map;	2339	#$self->activate; # no longer activate maps automatically
2123	cf::cede_to_tick;
2124	$self->activate;
2125	}	2340	}
2126		2341
2127	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
2128	$self->last_access ($cf::RUNTIME);	2343	$self->last_access ($cf::RUNTIME);
2129
2130	$self->in_memory (cf::MAP_ACTIVE);
2131	}	2344	}
2132		2345
2133	$self->post_load;	2346	$self->post_load;
2134	}
2135		2347
		2348	1
		2349	}
		2350
		2351	# customize the map for a given player, i.e.
		2352	# return the _real_ map. used by e.g. per-player
		2353	# maps to change the path to ~playername/mappath
2136	sub customise_for {	2354	sub customise_for {
2137	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
2138		2356
2139	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
2140	if $self->per_player;	2358	if $self->per_player;
…		…
2143	# if $self->per_party;	2361	# if $self->per_party;
2144		2362
2145	$self	2363	$self
2146	}	2364	}
2147		2365
2148	# find and load all maps in the 3x3 area around a map
2149	sub load_neighbours {
2150	my ($map) = @_;
2151
2152	my @neigh; # diagonal neighbours
2153
2154	for (0 .. 3) {
2155	my $neigh = $map->tile_path ($_)
2156	or next;
2157	$neigh = find $neigh, $map
2158	or next;
2159	$neigh->load;
2160
2161	push @neigh,
2162	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2163	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2164	}
2165
2166	for (grep defined $_->[0], @neigh) {
2167	my ($path, $origin) = @$_;
2168	my $neigh = find $path, $origin
2169	or next;
2170	$neigh->load;
2171	}
2172	}
2173
2174	sub find_sync {	2366	sub find_sync {
2175	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
2176		2368
2177	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, $origin
2178	}	2374	}
2179		2375
2180	sub do_load_sync {	2376	sub do_load_sync {
2181	my ($map) = @_;	2377	my ($map) = @_;
2182		2378
		2379	# it's a bug to call this from the main context
2183	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2380	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2184	if $Coro::current == $Coro::main;	2381	if $Coro::current == $Coro::main;
2185		2382
2186	cf::sync_job { $map->load };	2383	$map->load;
2187	}	2384	}
2188		2385
2189	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
2190	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
2191		2388
2192	sub find_async {	2389	sub find_async {
2193	my ($path, $origin, $load) = @_;	2390	my ($path, $origin, $load) = @_;
2194		2391
2195	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
2196		2393
2197	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
2198	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2395	return $map if !$load || $map->linkable;
2199	}	2396	}
2200		2397
2201	$MAP_PREFETCH{$path} |= $load;	2398	$MAP_PREFETCH{$path} |= $load;
2202		2399
2203	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
2204	$Coro::current->{desc} = "map prefetcher";	2401	$Coro::current->{desc} = "map prefetcher";
2205		2402
2206	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
2207	while (my ($k, $v) = each %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
2208	if (my $map = find $k) {	2405	if (my $map = find $k) {
2209	$map->load if $v;	2406	$map->load if $MAP_PREFETCH{$k};
2210	}	2407	}
2211		2408
2212	delete $MAP_PREFETCH{$k};	2409	delete $MAP_PREFETCH{$k};
2213	}	2410	}
2214	}	2411	}
…		…
2217	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
2218		2415
2219	()	2416	()
2220	}	2417	}
2221		2418
		2419	# common code, used by both ->save and ->swapout
2222	sub save {	2420	sub _save {
2223	my ($self) = @_;	2421	my ($self) = @_;
2224
2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
2226		2422
2227	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
2228		2424
2229	return unless $self->dirty;	2425	return unless $self->dirty;
2230		2426
…		…
2250	} else {	2446	} else {
2251	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2447	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2252	}	2448	}
2253	}	2449	}
2254		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
2255	sub swap_out {	2459	sub swap_out {
2256	my ($self) = @_;	2460	my ($self) = @_;
2257		2461
2258	# save first because save cedes
2259	$self->save;
2260
2261	my $lock = cf::lock_acquire "map_data:$self->{path}";	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
2262		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
2263	return if $self->players;	2466	return if $self->players;
2264	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
2265	return if $self->{deny_save};	2484	return 1e99 if $self->{deny_reset};
2266		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
2267	$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};
2268		2518
2269	$self->deactivate;	2519	$self->deactivate;
2270	$_->clear_links_to ($self) for values %cf::MAP;	2520	$_->clear_links_to ($self) for values %cf::MAP;
2271	$self->clear;	2521	$self->clear;
2272	}
2273
2274	sub reset_at {
2275	my ($self) = @_;
2276
2277	# TODO: safety, remove and allow resettable per-player maps
2278	return 1e99 if $self->{deny_reset};
2279
2280	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2281	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2282
2283	$time + $to
2284	}
2285
2286	sub should_reset {
2287	my ($self) = @_;
2288
2289	$self->reset_at <= $cf::RUNTIME
2290	}
2291
2292	sub reset {
2293	my ($self) = @_;
2294
2295	my $lock = cf::lock_acquire "map_data:$self->{path}";
2296
2297	return if $self->players;
2298
2299	warn "resetting map ", $self->path;
2300
2301	$self->in_memory (cf::MAP_SWAPPED);
2302
2303	# need to save uniques path
2304	unless ($self->{deny_save}) {
2305	my $uniq = $self->uniq_path; utf8::encode $uniq;
2306
2307	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2308	if $uniq;
2309	}
2310
2311	delete $cf::MAP{$self->path};
2312
2313	$self->deactivate;
2314	$_->clear_links_to ($self) for values %cf::MAP;
2315	$self->clear;
2316		2522
2317	$self->unlink_save;	2523	$self->unlink_save;
2318	$self->destroy;	2524	$self->destroy;
2319	}	2525	}
2320		2526
…		…
2328		2534
2329	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
2330		2536
2331	$self->unlink_save;	2537	$self->unlink_save;
2332		2538
2333	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
2334	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
2335	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
2336	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
2337	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2338		2544
…		…
2395	: normalise $_	2601	: normalise $_
2396	} @{ aio_readdir $UNIQUEDIR or [] }	2602	} @{ aio_readdir $UNIQUEDIR or [] }
2397	]	2603	]
2398	}	2604	}
2399		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
2400	=back	2638	=back
2401		2639
2402	=head3 cf::object	2640	=head3 cf::object
2403		2641
2404	=cut	2642	=cut
…		…
2427		2665
2428	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.
2429		2667
2430	=item $ob = cf::object::deref ($refstring)	2668	=item $ob = cf::object::deref ($refstring)
2431		2669
2432	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,
2433	even if the object actually exists. May block.	2671	even if the object actually exists. May block.
2434		2672
2435	=cut	2673	=cut
2436		2674
2437	sub deref {	2675	sub deref {
…		…
2469		2707
2470	our $SAY_CHANNEL = {	2708	our $SAY_CHANNEL = {
2471	id => "say",	2709	id => "say",
2472	title => "Map",	2710	title => "Map",
2473	reply => "say ",	2711	reply => "say ",
2474	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.",
2475	};	2713	};
2476		2714
2477	our $CHAT_CHANNEL = {	2715	our $CHAT_CHANNEL = {
2478	id => "chat",	2716	id => "chat",
2479	title => "Chat",	2717	title => "Chat",
…		…
2519	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
2520		2758
2521	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
2522	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
2523		2761
		2762	This is implemented by checking a config setting of C<may_access> where
		2763	C<access> is replaced by the access string. The following alternatives are
		2764	possible (and are tested in order):
		2765
		2766	=over 4
		2767
		2768	=item * Player is DM
		2769
		2770	The request will succeed.
		2771
		2772	=item * may_access is an array reference
		2773
		2774	If either the player nickname or UUID is in the array, the request will
		2775	succeed, otherwise it will fail.
		2776
		2777	=item * may_access is a true value
		2778
		2779	The request will succeed.
		2780
		2781	=item * may_access is missing or false
		2782
		2783	The request will fail.
		2784
		2785	=back
		2786
2524	=cut	2787	=cut
2525		2788
2526	sub cf::object::player::may {	2789	sub cf::object::player::may {
2527	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
2528		2791
2529	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
2530	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
2531	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2532	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
2533	}	2796	}
2534		2797
2535	=item $player_object->enter_link	2798	=item $player_object->enter_link
2536		2799
2537	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}>).
2538		2801
2539	The player should be reasonably safe there for short amounts of time. You	2802	The player should be reasonably safe there for short amounts of time (e.g.
2540	I<MUST> call C<leave_link> as soon as possible, though.	2803	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2804	though, as the player cannot control the character while it is on the link
		2805	map.
2541		2806
2542	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.
2543		2814
2544	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
2545		2816
2546	Moves the player out of the special C<{link}> map onto the specified	2817	Moves the player out of the special C<{link}> map onto the specified
2547	map. If the map is not valid (or omitted), the player will be moved back	2818	map. If the map is not valid (or omitted), the player will be moved back
…		…
2565	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
2566	my ($self) = @_;	2837	my ($self) = @_;
2567		2838
2568	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
2569		2840
		2841	++$self->{_link_recursion};
		2842
2570	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
2571		2844
2572	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2573	if $self->map && $self->map->{path} ne "{link}";	2846	if $self->map && $self->map->{path} ne "{link}";
2574		2847
2575	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2576	}	2849	}
2577		2850
2578	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
2579	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
2580		2853
…		…
2597	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
2598	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
2599		2872
2600	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
2601	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
2602	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
2603		2876
2604	$map->load;	2877	$map->load;
2605	$map->load_neighbours;
2606		2878
2607	return unless $self->contr->active;	2879	return unless $self->contr->active;
2608	$self->activate_recursive;
2609		2880
2610	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2611	$self->enter_map ($map, $x, $y);	2882	if ($self->enter_map ($map, $x, $y)) {
2612	}	2883	# entering was successful
		2884	delete $self->{_link_recursion};
		2885	# only activate afterwards, to support waiting in hooks
		2886	$self->activate_recursive;
		2887	}
2613		2888
		2889	}
		2890
2614	=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)]])
2615		2892
2616	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
2617	her, loading and preparing them map, calling the provided $check callback	2894	her, loading and preparing them map, calling the provided $check callback
2618	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
2619	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
…		…
2626		2903
2627	our $GOTOGEN;	2904	our $GOTOGEN;
2628		2905
2629	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
2630	my ($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	}
2631		2914
2632	# 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
2633	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2916	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2634		2917
2635	$self->enter_link;	2918	$self->enter_link;
…		…
2655	($path, $x, $y) = (undef, undef, undef);	2938	($path, $x, $y) = (undef, undef, undef);
2656	}	2939	}
2657	}	2940	}
2658		2941
2659	my $map = eval {	2942	my $map = eval {
2660	my $map = defined $path ? cf::map::find $path : undef;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2661		2944
2662	if ($map) {	2945	if ($map) {
2663	$map = $map->customise_for ($self);	2946	$map = $map->customise_for ($self);
2664	$map = $check->($map) if $check && $map;	2947	$map = $check->($map, $x, $y, $self) if $check && $map;
2665	} else {	2948	} else {
2666	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2949	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2667	}	2950	}
2668		2951
2669	$map	2952	$map
…		…
2677	if ($gen == $self->{_goto_generation}) {	2960	if ($gen == $self->{_goto_generation}) {
2678	delete $self->{_goto_generation};	2961	delete $self->{_goto_generation};
2679	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
2680	}	2963	}
2681		2964
2682	$done->() if $done;	2965	$done->($self) if $done;
2683	})->prio (1);	2966	})->prio (1);
2684	}	2967	}
2685		2968
2686	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
2687		2970
…		…
2755	$Coro::current->{desc} = "enter_exit";	3038	$Coro::current->{desc} = "enter_exit";
2756		3039
2757	unless (eval {	3040	unless (eval {
2758	$self->deactivate_recursive; # just to be sure	3041	$self->deactivate_recursive; # just to be sure
2759		3042
2760	# random map handling
2761	{
2762	my $guard = cf::lock_acquire "exit_prepare:$exit";
2763
2764	prepare_random_map $exit
2765	if $exit->slaying eq "/!";
2766	}
2767
2768	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3043	my $map = cf::map::normalise $exit->slaying, $exit->map;
2769	my $x = $exit->stats->hp;	3044	my $x = $exit->stats->hp;
2770	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	}
2771		3069
2772	$self->goto ($map, $x, $y);	3070	$self->goto ($map, $x, $y);
2773		3071
2774	# if exit is damned, update players death & WoR home-position	3072	# if exit is damned, update players death & WoR home-position
2775	$self->contr->savebed ($map, $x, $y)	3073	$self->contr->savebed ($map, $x, $y)
2776	if $exit->flag (cf::FLAG_DAMNED);	3074	if $exit->flag (cf::FLAG_DAMNED);
2777		3075
2778	1	3076	1
2779	}) {	3077	}) {
2780	$self->message ("Something went wrong deep within the crossfire server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2781	. "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. "
2782	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2783	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2784		3082
2785	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2786	$self->leave_link;	3084	$self->leave_link;
2787	}	3085	}
2788	})->prio (1);	3086	})->prio (1);
2789	}	3087	}
2790		3088
2791	=head3 cf::client	3089	=head3 cf::client
2792		3090
2793	=over 4	3091	=over 4
2794		3092
2795	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2796		3094
2797	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2798	should not be used under normal circumstances.	3096	them as required.
2799		3097
2800	=cut	3098	=cut
2801		3099
		3100	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3101
2802	sub cf::client::send_drawinfo {	3102	sub cf::client::send_big_packet {
2803	my ($self, $text, $flags) = @_;	3103	my ($self, $pkt) = @_;
2804		3104
2805	utf8::encode $text;	3105	# try lzf for large packets
2806	$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);
2807	}	3116	}
2808		3117
2809	=item $client->send_msg ($channel, $msg, $color, [extra...])	3118	=item $client->send_msg ($channel, $msg, $color, [extra...])
2810		3119
2811	Send a drawinfo or msg packet to the client, formatting the msg for the	3120	Send a msg packet to the client, formatting the msg for the client if
2812	client if neccessary. C<$type> should be a string identifying the type of	3121	necessary. C<$type> should be a string identifying the type of the
2813	the message, with C<log> being the default. If C<$color> is negative, suppress	3122	message, with C<log> being the default. If C<$color> is negative, suppress
2814	the message unless the client supports the msg packet.	3123	the message unless the client supports the msg packet.
2815		3124
2816	=cut	3125	=cut
2817		3126
2818	# non-persistent channels (usually the info channel)	3127	# non-persistent channels (usually the info channel)
2819	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	},
2820	"c/identify" => {	3135	"c/identify" => {
2821	id => "infobox",	3136	id => "infobox",
2822	title => "Identify",	3137	title => "Identify",
2823	reply => undef,	3138	reply => undef,
2824	tooltip => "Items recently identified",	3139	tooltip => "Items recently identified",
…		…
2826	"c/examine" => {	3141	"c/examine" => {
2827	id => "infobox",	3142	id => "infobox",
2828	title => "Examine",	3143	title => "Examine",
2829	reply => undef,	3144	reply => undef,
2830	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",
2831	},	3152	},
2832	"c/book" => {	3153	"c/book" => {
2833	id => "infobox",	3154	id => "infobox",
2834	title => "Book",	3155	title => "Book",
2835	reply => undef,	3156	reply => undef,
…		…
2851	id => "infobox",	3172	id => "infobox",
2852	title => "Body Parts",	3173	title => "Body Parts",
2853	reply => undef,	3174	reply => undef,
2854	tooltip => "Shows which body parts you posess and are available",	3175	tooltip => "Shows which body parts you posess and are available",
2855	},	3176	},
		3177	"c/statistics" => {
		3178	id => "infobox",
		3179	title => "Statistics",
		3180	reply => undef,
		3181	tooltip => "Shows your primary statistics",
		3182	},
		3183	"c/skills" => {
		3184	id => "infobox",
		3185	title => "Skills",
		3186	reply => undef,
		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",
		3212	},
2856	"c/uptime" => {	3213	"c/uptime" => {
2857	id => "infobox",	3214	id => "infobox",
2858	title => "Uptime",	3215	title => "Uptime",
2859	reply => undef,	3216	reply => undef,
2860	tooltip => "How long the server has been running since last restart",	3217	tooltip => "How long the server has been running since last restart",
…		…
2869	id => "party",	3226	id => "party",
2870	title => "Party",	3227	title => "Party",
2871	reply => "gsay ",	3228	reply => "gsay ",
2872	tooltip => "Messages and chat related to your party",	3229	tooltip => "Messages and chat related to your party",
2873	},	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" => $CHAT_CHANNEL,
2874	);	3245	);
2875		3246
2876	sub cf::client::send_msg {	3247	sub cf::client::send_msg {
2877	my ($self, $channel, $msg, $color, @extra) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2878		3249
2879	$msg = $self->pl->expand_cfpod ($msg);	3250	$msg = $self->pl->expand_cfpod ($msg)
		3251	unless $color & cf::NDI_VERBATIM;
2880		3252
2881	$color &= cf::NDI_CLIENT_MASK; # just in case...	3253	$color &= cf::NDI_CLIENT_MASK; # just in case...
2882		3254
2883	# check predefined channels, for the benefit of C	3255	# check predefined channels, for the benefit of C
2884	if ($CHANNEL{$channel}) {	3256	if ($CHANNEL{$channel}) {
2885	$channel = $CHANNEL{$channel};	3257	$channel = $CHANNEL{$channel};
2886		3258
2887	$self->ext_msg (channel_info => $channel)	3259	$self->ext_msg (channel_info => $channel);
2888	if $self->can_msg;
2889
2890	$channel = $channel->{id};	3260	$channel = $channel->{id};
2891		3261
2892	} elsif (ref $channel) {	3262	} elsif (ref $channel) {
2893	# send meta info to client, if not yet sent	3263	# send meta info to client, if not yet sent
2894	unless (exists $self->{channel}{$channel->{id}}) {	3264	unless (exists $self->{channel}{$channel->{id}}) {
2895	$self->{channel}{$channel->{id}} = $channel;	3265	$self->{channel}{$channel->{id}} = $channel;
2896	$self->ext_msg (channel_info => $channel)	3266	$self->ext_msg (channel_info => $channel);
2897	if $self->can_msg;
2898	}	3267	}
2899		3268
2900	$channel = $channel->{id};	3269	$channel = $channel->{id};
2901	}	3270	}
2902		3271
2903	return unless @extra || length $msg;	3272	return unless @extra || length $msg;
2904		3273
2905	if ($self->can_msg) {
2906	# default colour, mask it out	3274	# default colour, mask it out
2907	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3275	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2908	if $color & cf::NDI_DEF;	3276	if $color & cf::NDI_DEF;
2909		3277
2910	$self->send_packet ("msg " . $self->{json_coder}->encode (	3278	my $pkt = "msg "
		3279	. $self->{json_coder}->encode (
2911	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3280	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2912	} else {	3281	);
2913	if ($color >= 0) {
2914	# replace some tags by gcfclient-compatible ones
2915	for ($msg) {
2916	1 while
2917	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2918	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2919	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2920	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2921	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2922	}
2923		3282
2924	$color &= cf::NDI_COLOR_MASK;	3283	$self->send_big_packet ($pkt);
2925
2926	utf8::encode $msg;
2927
2928	if (0 && $msg =~ /\[/) {
2929	# COMMAND/INFO
2930	$self->send_packet ("drawextinfo $color 10 8 $msg")
2931	} else {
2932	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2933	$self->send_packet ("drawinfo $color $msg")
2934	}
2935	}
2936	}
2937	}	3284	}
2938		3285
2939	=item $client->ext_msg ($type, @msg)	3286	=item $client->ext_msg ($type, @msg)
2940		3287
2941	Sends an ext event to the client.	3288	Sends an ext event to the client.
…		…
2943	=cut	3290	=cut
2944		3291
2945	sub cf::client::ext_msg($$@) {	3292	sub cf::client::ext_msg($$@) {
2946	my ($self, $type, @msg) = @_;	3293	my ($self, $type, @msg) = @_;
2947		3294
2948	if ($self->extcmd == 2) {
2949	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2950	} elsif ($self->extcmd == 1) { # TODO: remove
2951	push @msg, msgtype => "event_$type";
2952	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2953	}
2954	}
2955
2956	=item $client->ext_reply ($msgid, @msg)
2957
2958	Sends an ext reply to the client.
2959
2960	=cut
2961
2962	sub cf::client::ext_reply($$@) {
2963	my ($self, $id, @msg) = @_;
2964
2965	if ($self->extcmd == 2) {
2966	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2967	} elsif ($self->extcmd == 1) {
2968	#TODO: version 1, remove
2969	unshift @msg, msgtype => "reply", msgid => $id;
2970	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2971	}
2972	}	3296	}
2973		3297
2974	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2975		3299
2976	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
…		…
2996		3320
2997	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2998	if @{ $self->{query_queue} } == 1;	3322	if @{ $self->{query_queue} } == 1;
2999		3323
3000	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;
3001	}	3364	}
3002		3365
3003	cf::client->attach (	3366	cf::client->attach (
3004	on_connect => sub {	3367	on_connect => sub {
3005	my ($ns) = @_;	3368	my ($ns) = @_;
…		…
3031	my ($ns, $buf) = @_;	3394	my ($ns, $buf) = @_;
3032		3395
3033	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3396	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3034		3397
3035	if (ref $msg) {	3398	if (ref $msg) {
3036	my ($type, $reply, @payload) =	3399	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3037	"ARRAY" eq ref $msg
3038	? @$msg
3039	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3040		3400
3041	my @reply;
3042
3043	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}) {
3044	@reply = $cb->($ns, @payload);	3414	@reply = $cb->($ns, @payload);
		3415	}
		3416
		3417	$ns->ext_msg ("reply-$reply", @reply)
		3418	if $reply;
3045	}	3419	}
3046
3047	$ns->ext_reply ($reply, @reply)
3048	if $reply;
3049
3050	} else {	3420	} else {
3051	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";
3052	}	3422	}
3053		3423
3054	cf::override;	3424	cf::override;
3055	},	3425	},
3056	);	3426	);
…		…
3076		3446
3077	$coro	3447	$coro
3078	}	3448	}
3079		3449
3080	cf::client->attach (	3450	cf::client->attach (
3081	on_destroy => sub {	3451	on_client_destroy => sub {
3082	my ($ns) = @_;	3452	my ($ns) = @_;
3083		3453
3084	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3085	},	3455	},
3086	);	3456	);
…		…
3102	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
3103		3473
3104	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
3105		3475
3106	$safe->permit_only (Opcode::opset qw(	3476	$safe->permit_only (Opcode::opset qw(
3107	:base_core :base_mem :base_orig :base_math	3477	:base_core :base_mem :base_orig :base_math :base_loop
3108	grepstart grepwhile mapstart mapwhile	3478	grepstart grepwhile mapstart mapwhile
3109	sort time	3479	sort time
3110	));	3480	));
3111		3481
3112	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
…		…
3116	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
3117		3487
3118	cf::object	3488	cf::object
3119	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
3120	insert remove name archname title slaying race decrease split	3490	insert remove name archname title slaying race decrease split
		3491	value
3121		3492
3122	cf::object::player	3493	cf::object::player
3123	player	3494	player
3124		3495
3125	cf::player	3496	cf::player
…		…
3131	=cut	3502	=cut
3132		3503
3133	for (	3504	for (
3134	["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
3135	insert remove inv nrof name archname title slaying race	3506	insert remove inv nrof name archname title slaying race
3136	decrease split destroy change_exp)],	3507	decrease split destroy change_exp value msg lore send_msg)],
3137	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
3138	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
3139	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
3140	) {	3511	) {
3141	no strict 'refs';
3142	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
3143	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3144	for @funs;	3514	for @funs;
3145	}	3515	}
3146		3516
…		…
3161		3531
3162	my $qcode = $code;	3532	my $qcode = $code;
3163	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3164	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
3165		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
3166	local $_;	3539	local $_;
3167	local @safe::cf::_safe_eval_args = values %vars;
3168		3540
3169	my $eval =	3541	my $eval =
3170	"do {\n"	3542	"do {\n"
3171	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3172	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
3173	. $code	3545	. $code
3174	. "\n}"	3546	. "\n}"
3175	;	3547	;
3176		3548
		3549	if ($CFG{safe_eval}) {
3177	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
3178	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3179	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	}
3180		3558
3181	if ($@) {	3559	if ($@) {
3182	warn "$@";	3560	warn "$@",
3183	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
3184	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
3185	}	3563	}
3186		3564
3187	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
3188	}	3566	}
3189		3567
…		…
3203	=cut	3581	=cut
3204		3582
3205	sub register_script_function {	3583	sub register_script_function {
3206	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
3207		3585
3208	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
3209	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
3210	}	3588	}
3211		3589
3212	=back	3590	=back
3213		3591
3214	=cut	3592	=cut
3215		3593
3216	#############################################################################	3594	#############################################################################
3217	# the server's init and main functions	3595	# the server's init and main functions
3218		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, $_[0]);
		3670	};
		3671	}
		3672	}
		3673
3219	sub load_facedata($) {	3674	sub load_facedata($) {
3220	my ($path) = @_;	3675	my ($path) = @_;
3221		3676
3222	# HACK to clear player env face cache, we need some signal framework
3223	# for this (global event?)
3224	%ext::player_env::MUSIC_FACE_CACHE = ();
3225
3226	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3227		3678
3228	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
3229		3680
3230	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
3231	0 < aio_load $path, $facedata
3232	or die "$path: $!";
3233
3234	$facedata = Coro::Storable::thaw $facedata;
3235		3682
3236	$facedata->{version} == 2	3683	$facedata->{version} == 2
3237	or cf::cleanup "$path: version mismatch, cannot proceed.";	3684	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3238		3685
3239	# patch in the exptable	3686	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3240	$facedata->{resource}{"res/exp_table"} = {	3687	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3241	type => FT_RSRC,	3688
3242	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
3243	};	3690
3244	cf::cede_to_tick;	3691	# BEGIN ATOMIC
		3692	# from here on, everything must be atomic - no thread switch allowed
		3693	my $t1 = EV::time;
3245		3694
3246	{	3695	{
3247	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
3248		3697
3249	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
3250	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3251		3701
3252	cf::face::set_visibility $idx, $info->{visibility};	3702	cf::face::set_visibility $idx, $info->{visibility};
3253	cf::face::set_magicmap $idx, $info->{magicmap};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
3254	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};
3255	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};
3256		3706	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3257	cf::cede_to_tick;	3707	$cf::face::HASH{$info->{hash64}} = $idx;
		3708	delete $cf::face::META[$idx];
3258	}	3709	}
3259		3710
3260	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
3261	next unless $info->{smooth};	3712	next unless $info->{smooth};
3262		3713
…		…
3265		3716
3266	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
3267	cf::face::set_smooth $idx, $smooth;	3718	cf::face::set_smooth $idx, $smooth;
3268	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3269	} else {	3720	} else {
3270	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
3271	}	3722	}
3272
3273	cf::cede_to_tick;
3274	}	3723	}
3275	}	3724	}
3276		3725
3277	{	3726	{
3278	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
3279		3728
3280	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
3281	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
3282	cf::cede_to_tick;
3283	}	3731	}
3284		3732
3285	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
3286	}	3734	}
3287		3735
3288	{	3736	{
3289	# TODO: for gcfclient pleasure, we should give resources
3290	# that gcfclient doesn't grok a >10000 face index.
3291	my $res = $facedata->{resource};	3737	my $res = $facedata->{resource};
3292		3738
3293	while (my ($name, $info) = each %$res) {	3739	while (my ($name, $info) = each %$res) {
3294	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
3295	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3742	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3296	my $data;
3297		3743
3298	if ($info->{type} & 1) {
3299	# prepend meta info
3300
3301	my $meta = $enc->encode ({
3302	name => $name,
3303	%{ $info->{meta} || {} },
3304	});
3305
3306	$data = pack "(w/a*)*", $meta, $info->{data};
3307	} else {
3308	$data = $info->{data};
3309	}
3310
3311	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3312	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;
3313	} else {	3750	} else {
3314	$RESOURCE{$name} = $info;	3751	# $RESOURCE{$name} = $info; # unused
3315	}	3752	}
3316
3317	cf::cede_to_tick;
3318	}	3753	}
3319	}	3754	}
		3755
		3756	($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;
3320		3765
3321	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3766	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3322		3767
		3768	aio_close $fh if $fh; # close old facedata
		3769
3323	1	3770	1
3324	}	3771	}
3325
3326	cf::global->attach (on_resource_update => sub {
3327	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3328	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3329
3330	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3331	my $sound = $soundconf->{compat}[$_]
3332	or next;
3333
3334	my $face = cf::face::find "sound/$sound->[1]";
3335	cf::sound::set $sound->[0] => $face;
3336	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3337	}
3338
3339	while (my ($k, $v) = each %{$soundconf->{event}}) {
3340	my $face = cf::face::find "sound/$v";
3341	cf::sound::set $k => $face;
3342	}
3343	}
3344	});
3345		3772
3346	register_exticmd fx_want => sub {	3773	register_exticmd fx_want => sub {
3347	my ($ns, $want) = @_;	3774	my ($ns, $want) = @_;
3348		3775
3349	while (my ($k, $v) = each %$want) {	3776	while (my ($k, $v) = each %$want) {
…		…
3357	my $status = load_resource_file_ $_[0];	3784	my $status = load_resource_file_ $_[0];
3358	get_slot 0.1, 100;	3785	get_slot 0.1, 100;
3359	cf::arch::commit_load;	3786	cf::arch::commit_load;
3360		3787
3361	$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;
3362	}	3803	}
3363		3804
3364	sub reload_regions {	3805	sub reload_regions {
3365	# 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
3366	# for this (global event?)	3807	# for this (global event?)
…		…
3374	if exists $_->{match};	3815	if exists $_->{match};
3375	}	3816	}
3376	}	3817	}
3377		3818
3378	sub reload_facedata {	3819	sub reload_facedata {
3379	load_facedata "$DATADIR/facedata"	3820	load_facedata $DATADIR
3380	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
3381	}	3822	}
3382		3823
3383	sub reload_archetypes {	3824	sub reload_archetypes {
3384	load_resource_file "$DATADIR/archetypes"	3825	load_resource_file "$DATADIR/archetypes"
3385	or die "unable to load archetypes\n";	3826	or die "unable to load archetypes\n";
		3827
		3828	cf::face::set
		3829	"res/skill_info" => FT_RSRC,
		3830	JSON::XS->new->utf8->canonical->encode (
		3831	[map [cf::arch::skillvec ($_)->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 $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3850	}
		3851
		3852	cf::client::set_command_face skill => \@commands;
3386	}	3853	}
3387		3854
3388	sub reload_treasures {	3855	sub reload_treasures {
3389	load_resource_file "$DATADIR/treasures"	3856	load_resource_file "$DATADIR/treasures"
3390	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
3391	}	3858	}
3392		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
3393	sub reload_resources {	3880	sub reload_resources {
3394	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
3395		3882
		3883	reload_materials;
3396	reload_facedata;	3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
3397	reload_archetypes;	3887	reload_archetypes;
3398	reload_regions;	3888	reload_regions;
3399	reload_treasures;	3889	reload_treasures;
3400		3890
3401	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
3402	}
3403
3404	sub init {
3405	my $guard = freeze_mainloop;
3406
3407	evthread_start IO::AIO::poll_fileno;
3408
3409	reload_resources;
3410	}	3892	}
3411		3893
3412	sub reload_config {	3894	sub reload_config {
3413	open my $fh, "<:utf8", "$CONFDIR/config"	3895	trace "reloading config file...\n";
3414	or return;
3415		3896
3416	local $/;	3897	my $config = load_file "$CONFDIR/config";
3417	*CFG = YAML::Load <$fh>;	3898	utf8::decode $config;
		3899	*CFG = decode_yaml $config;
3418		3900
3419	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3420		3902
3421	$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};
3422	$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};
3423		3905
3424	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
3428	};	3910	};
3429	warn $@ if $@;	3911	warn $@ if $@;
3430	}	3912	}
3431	}	3913	}
3432		3914
		3915	sub pidfile() {
		3916	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3917	or die "$PIDFILE: $!";
		3918	flock $fh, &Fcntl::LOCK_EX
		3919	or die "$PIDFILE: flock: $!";
		3920	$fh
		3921	}
		3922
		3923	# make sure only one server instance is running at any one time
		3924	sub atomic {
		3925	my $fh = pidfile;
		3926
		3927	my $pid = <$fh>;
		3928	kill 9, $pid if $pid > 0;
		3929
		3930	seek $fh, 0, 0;
		3931	print $fh $$;
		3932	}
		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
3433	sub main {	3943	sub main {
		3944	cf::init_globals; # initialise logging
		3945
		3946	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3947	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3948	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3949	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3950
		3951	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3952
3434	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
3435	local $Coro::idle = sub {	3954	$Coro::idle = sub {
3436	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#
3437	(async {	3956	(async {
3438	$Coro::current->{desc} = "IDLE BUG HANDLER";	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
3439	EV::loop EV::LOOP_ONESHOT;	3958	EV::run EV::RUN_ONCE;
3440	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
3441	};	3960	};
3442		3961
3443	{	3962	evthread_start IO::AIO::poll_fileno;
3444	my $guard = freeze_mainloop;	3963
		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
		3975	reload_resources;
3445	reload_config;	3976	reload_config;
3446	db_init;	3977
		3978	cf::init_uuid;
		3979	cf::init_signals;
		3980	cf::init_skills;
		3981
		3982	cf::init_beforeplay;
		3983
		3984	atomic;
		3985
3447	load_extensions;	3986	load_extensions;
3448		3987
3449	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3988	utime time, time, $RUNTIMEFILE;
		3989
		3990	# no (long-running) fork's whatsoever before this point(!)
		3991	use POSIX ();
		3992	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3993
		3994	cf::_post_init 0;
3450	}	3995	};
3451		3996
3452	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;
3453	}	4005	}
3454		4006
3455	#############################################################################	4007	#############################################################################
3456	# initialisation and cleanup	4008	# initialisation and cleanup
3457		4009
3458	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
3459	BEGIN {	4011	BEGIN {
3460	our %SIGWATCHER = ();	4012	our %SIGWATCHER = ();
3461	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
3462	$SIGWATCHER{$signal} = EV::signal $signal, sub {	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3463	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
3464	};	4016	};
3465	}	4017	}
3466	}	4018	}
3467		4019
3468	sub write_runtime_sync {	4020	sub write_runtime_sync {
3469	my $runtime = "$LOCALDIR/runtime";	4021	my $t0 = AE::time;
3470		4022
3471	# first touch the runtime file to show we are still running:	4023	# first touch the runtime file to show we are still running:
3472	# the fsync below can take a very very long time.	4024	# the fsync below can take a very very long time.
3473		4025
3474	IO::AIO::aio_utime $runtime, undef, undef;	4026	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3475		4027
3476	my $guard = cf::lock_acquire "write_runtime";	4028	my $guard = cf::lock_acquire "write_runtime";
3477		4029
3478	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4030	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3479	or return;	4031	or return;
3480		4032
3481	my $value = $cf::RUNTIME + 90 + 10;	4033	my $value = $cf::RUNTIME + 90 + 10;
3482	# 10 is the runtime save interval, for a monotonic clock	4034	# 10 is the runtime save interval, for a monotonic clock
3483	# 60 allows for the watchdog to kill the server.	4035	# 60 allows for the watchdog to kill the server.
…		…
3493	aio_utime $fh, undef, undef;	4045	aio_utime $fh, undef, undef;
3494		4046
3495	close $fh	4047	close $fh
3496	or return;	4048	or return;
3497		4049
3498	aio_rename "$runtime~", $runtime	4050	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3499	and return;	4051	and return;
3500		4052
3501	warn "runtime file written.\n";	4053	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3502		4054
3503	1	4055	1
3504	}	4056	}
3505		4057
3506	our $uuid_lock;	4058	our $uuid_lock;
…		…
3515	my $uuid = "$LOCALDIR/uuid";	4067	my $uuid = "$LOCALDIR/uuid";
3516		4068
3517	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	4069	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3518	or return;	4070	or return;
3519		4071
3520	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	4072	my $value = uuid_seq uuid_cur;
		4073
		4074	unless ($value) {
		4075	info "cowardly refusing to write zero uuid value!\n";
		4076	return;
		4077	}
		4078
		4079	my $value = uuid_str $value + $uuid_skip;
3521	$uuid_skip = 0;	4080	$uuid_skip = 0;
3522		4081
3523	(aio_write $fh, 0, (length $value), $value, 0) <= 0	4082	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3524	and return;	4083	and return;
3525		4084
…		…
3531	or return;	4090	or return;
3532		4091
3533	aio_rename "$uuid~", $uuid	4092	aio_rename "$uuid~", $uuid
3534	and return;	4093	and return;
3535		4094
3536	warn "uuid file written ($value).\n";	4095	trace "uuid file written ($value).\n";
3537		4096
3538	1	4097	1
3539		4098
3540	}	4099	}
3541		4100
…		…
3547	}	4106	}
3548		4107
3549	sub emergency_save() {	4108	sub emergency_save() {
3550	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
3551		4110
3552	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;
3553		4117
3554	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
3555	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
3556	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
3557	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
3558	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
3559	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
3560	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
3561	$pl->valid or next;	4127	$pl->valid or next;
3562	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3563	$pl->save;	4129	$pl->save;
3564	}	4130	}
3565	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
3566		4132
3567	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";
3568	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
3569	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
3570	$map->valid or next;	4138	$map->valid or next;
3571	$map->save;	4139	$map->save;
3572	}	4140	}
3573	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
3574		4142
3575	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";
3576	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
3577	warn "end emergency database checkpoint\n";	4147	info "emergency_perl_save: end database checkpoint\n";
3578		4148
3579	warn "begin write uuid\n";	4149	info "emergency_perl_save: begin write uuid\n";
3580	write_uuid_sync 1;	4150	write_uuid_sync 1;
3581	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
3582	};	4171	};
3583		4172
3584	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
3585	}	4174	}
3586		4175
3587	sub post_cleanup {	4176	sub post_cleanup {
3588	my ($make_core) = @_;	4177	my ($make_core) = @_;
3589		4178
		4179	IO::AIO::flush;
		4180
3590	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
3591	if $make_core;	4182	if $make_core;
		4183
		4184	my $fh = pidfile;
		4185	unlink $PIDFILE if <$fh> == $$;
3592	}	4186	}
3593		4187
3594	# a safer delete_package, copied from Symbol	4188	# a safer delete_package, copied from Symbol
3595	sub clear_package($) {	4189	sub clear_package($) {
3596	my $pkg = shift;	4190	my $pkg = shift;
…		…
3612	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4206	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3613	for my $name (keys %$leaf_symtab) {	4207	for my $name (keys %$leaf_symtab) {
3614	_gv_clear *{"$pkg$name"};	4208	_gv_clear *{"$pkg$name"};
3615	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4209	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3616	}	4210	}
3617	warn "cleared package #$pkg\n";#d#
3618	}	4211	}
3619
3620	our $RELOAD; # how many times to reload
3621		4212
3622	sub do_reload_perl() {	4213	sub do_reload_perl() {
3623	# can/must only be called in main	4214	# can/must only be called in main
3624	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
3625	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
3626	return;	4217	return;
3627	}	4218	}
3628		4219
3629	return if $RELOAD++;	4220	return if $RELOAD++;
3630		4221
		4222	my $t1 = AE::time;
		4223
3631	while ($RELOAD) {	4224	while ($RELOAD) {
3632	warn "reloading...";	4225	cf::get_slot 0.1, -1, "reload_perl";
		4226	info "perl_reload: reloading...";
3633		4227
3634	warn "entering sync_job";	4228	trace "perl_reload: entering sync_job";
3635		4229
3636	cf::sync_job {	4230	cf::sync_job {
3637	cf::write_runtime_sync; # external watchdog should not bark
3638	cf::emergency_save;	4231	#cf::emergency_save;
3639	cf::write_runtime_sync; # external watchdog should not bark
3640		4232
3641	warn "syncing database to disk";
3642	BDB::db_env_txn_checkpoint $DB_ENV;
3643
3644	# if anything goes wrong in here, we should simply crash as we already saved
3645
3646	warn "flushing outstanding aio requests";
3647	while (IO::AIO::nreqs || BDB::nreqs) {
3648	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3649	}
3650
3651	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
3652	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
3653	%EXT_CORO = ();	4235	%EXT_CORO = ();
3654		4236
3655	warn "removing commands";	4237	trace "perl_reload: removing commands";
3656	%COMMAND = ();	4238	%COMMAND = ();
3657		4239
3658	warn "removing ext/exti commands";	4240	trace "perl_reload: removing ext/exti commands";
3659	%EXTCMD = ();	4241	%EXTCMD = ();
3660	%EXTICMD = ();	4242	%EXTICMD = ();
3661		4243
3662	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
3663	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
3664	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
3665		4247
3666	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
3667	eval {	4249	eval {
3668	$cb->($pkg);	4250	$cb->($pkg);
3669	1	4251	1
3670	} or warn "$pkg unloaded, but with errors: $@";	4252	} or error "$pkg unloaded, but with errors: $@";
3671	}	4253	}
3672		4254
3673	warn "... clearing $pkg";	4255	trace "... clearing $pkg";
3674	clear_package $pkg;	4256	clear_package $pkg;
3675	}	4257	}
3676		4258
3677	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3678	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
3679	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3680		4262
3681	warn "... unloading $k";	4263	trace "... unloading $k";
3682	delete $INC{$k};	4264	delete $INC{$k};
3683		4265
3684	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
3685	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
3686		4268
…		…
3689	}	4271	}
3690		4272
3691	clear_package $k;	4273	clear_package $k;
3692	}	4274	}
3693		4275
3694	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
3695	clear_package "safe::$_"	4277	clear_package "safe::$_"
3696	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);
3697		4279
3698	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
3699	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
3700	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3701		4283
3702	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
3703	# and global variables created in xs	4285	# and global variables created in xs
3704	#clear_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
3705		4287
3706	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
3707		4289
3708	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
3709	require cf;	4291	require cf;
3710	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
3711		4293
3712	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
3713	cf::reload_config;	4295	cf::reload_config;
3714		4296
3715	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
3716	cf::load_extensions;	4298	cf::load_extensions;
3717		4299
		4300	if ($REATTACH_ON_RELOAD) {
3718	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
3719	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
3720	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
3721	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
3722	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
3723	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
		4307	}
3724		4308
3725	warn "leaving sync_job";	4309	cf::_post_init 1;
		4310
		4311	trace "perl_reload: leaving sync_job";
3726		4312
3727	1	4313	1
3728	} or do {	4314	} or do {
3729	warn $@;	4315	error $@;
3730	cf::cleanup "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
3731	};	4317	};
3732		4318
3733	warn "reloaded";
3734	--$RELOAD;	4319	--$RELOAD;
3735	}	4320	}
		4321
		4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
3736	};	4324	};
3737		4325
3738	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
3739		4327
3740	sub reload_perl() {	4328	sub reload_perl() {
3741	# doing reload synchronously and two reloads happen back-to-back,	4329	# doing reload synchronously and two reloads happen back-to-back,
3742	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
3743		4331
		4332	$RELOAD_WATCHER ||= cf::async {
		4333	Coro::AIO::aio_wait cache_extensions;
		4334
3744	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3745	do_reload_perl;	4336	do_reload_perl;
3746	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
		4338	};
3747	};	4339	};
3748	}	4340	}
3749		4341
3750	register_command "reload" => sub {	4342	register_command "reload" => sub {
3751	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
…		…
3757	reload_perl;	4349	reload_perl;
3758	};	4350	};
3759	}	4351	}
3760	};	4352	};
3761		4353
3762	unshift @INC, $LIBDIR;	4354	#############################################################################
3763		4355
3764	my $bug_warning = 0;	4356	my $bug_warning = 0;
3765		4357
3766	our @WAIT_FOR_TICK;
3767	our @WAIT_FOR_TICK_BEGIN;
3768
3769	sub wait_for_tick {	4358	sub wait_for_tick() {
3770	return if tick_inhibit || $Coro::current == $Coro::main;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3771		4360
3772	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
3773	push @WAIT_FOR_TICK, $signal;
3774	$signal->wait;
3775	}	4362	}
3776		4363
3777	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
3778	return if tick_inhibit || $Coro::current == $Coro::main;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3779		4366
3780	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
3781	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
3782	$signal->wait;	4369	$signal->wait;
3783	}	4370	}
…		…
3787	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4374	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3788	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
3789	return;	4376	return;
3790	}	4377	}
3791		4378
3792	cf::server_tick; # one server iteration	4379	cf::one_tick; # one server iteration
		4380
		4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3793		4382
3794	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3795	$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.;
3796	Coro::async_pool {	4385	Coro::async_pool {
3797	$Coro::current->{desc} = "runtime saver";	4386	$Coro::current->{desc} = "runtime saver";
3798	write_runtime_sync	4387	write_runtime_sync
3799	or warn "ERROR: unable to write runtime file: $!";	4388	or error "ERROR: unable to write runtime file: $!";
3800	};	4389	};
3801	}	4390	}
3802		4391
3803	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3804	$sig->send;	4393	$sig->send;
3805	}	4394	}
3806	while (my $sig = shift @WAIT_FOR_TICK) {	4395	$WAIT_FOR_TICK->broadcast;
3807	$sig->send;
3808	}
3809		4396
3810	$LOAD = ($NOW - $TICK_START) / $TICK;	4397	$LOAD = ($NOW - $TICK_START) / $TICK;
3811	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3812		4399
3813	if (0) {	4400	if (0) {
3814	if ($NEXT_TICK) {	4401	if ($NEXT_TICK) {
3815	my $jitter = $TICK_START - $NEXT_TICK;	4402	my $jitter = $TICK_START - $NEXT_TICK;
3816	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3817	warn "jitter $JITTER\n";#d#	4404	debug "jitter $JITTER\n";#d#
3818	}	4405	}
3819	}	4406	}
3820	}	4407	}
3821		4408
3822	{	4409	{
3823	# configure BDB	4410	# configure BDB
		4411	info "initialising database";
3824		4412
3825	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
3826	BDB::max_poll_reqs $TICK * 0.1;	4414	BDB::max_poll_reqs $TICK * 0.1;
3827	$AnyEvent::BDB::WATCHER->priority (1);	4415	#$AnyEvent::BDB::WATCHER->priority (1);
3828		4416
3829	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
3830	$DB_ENV = BDB::db_env_create;	4418	$DB_ENV = BDB::db_env_create;
3831	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4419	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3832	$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;
…		…
3857	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4445	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3858	};	4446	};
3859	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4447	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3860	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4448	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3861	};	4449	};
		4450
		4451	info "database initialised";
3862	}	4452	}
3863		4453
3864	{	4454	{
3865	# configure IO::AIO	4455	# configure IO::AIO
3866		4456
		4457	info "initialising aio";
3867	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
3868	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
3869	undef $AnyEvent::AIO::WATCHER;	4460	undef $AnyEvent::AIO::WATCHER;
		4461	info "aio initialised";
3870	}	4462	}
3871		4463
3872	my $_log_backtrace;	4464	our $_log_backtrace;
		4465	our $_log_backtrace_last;
3873		4466
3874	sub _log_backtrace {	4467	sub _log_backtrace {
3875	my ($msg, @addr) = @_;	4468	my ($msg, @addr) = @_;
3876		4469
3877	$msg =~ s/\n//;	4470	$msg =~ s/\n$//;
3878		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3879	# limit the # of concurrent backtraces	4475	# limit the # of concurrent backtraces
3880	if ($_log_backtrace < 2) {	4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
3881	++$_log_backtrace;	4478	++$_log_backtrace;
		4479	my $perl_bt = Carp::longmess $msg;
3882	async {	4480	async {
3883	$Coro::current->{desc} = "abt $msg";	4481	$Coro::current->{desc} = "abt $msg";
3884		4482
3885	my @bt = fork_call {	4483	my @bt = fork_call {
3886	@addr = map { sprintf "%x", $_ } @addr;	4484	@addr = map { sprintf "%x", $_ } @addr;
…		…
3897	}	4495	}
3898		4496
3899	@funcs	4497	@funcs
3900	};	4498	};
3901		4499
3902	LOG llevInfo, "[ABT] $msg\n";	4500	LOG llevInfo, "[ABT] $perl_bt\n";
		4501	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3903	LOG llevInfo, "[ABT] $_\n" for @bt;	4502	LOG llevInfo, "[ABT] $_\n" for @bt;
3904	--$_log_backtrace;	4503	--$_log_backtrace;
3905	};	4504	};
3906	} else {	4505	} else {
3907	LOG llevInfo, "[ABT] $msg\n";	4506	LOG llevInfo, "[ABT] $msg\n";
3908	LOG llevInfo, "[ABT] [suppressed]\n";	4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3909	}	4508	}
3910	}	4509	}
3911		4510
3912	# load additional modules	4511	# load additional modules
3913	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
3914		4514
3915	END { cf::emergency_save }	4515	END { cf::emergency_save }
3916		4516
3917	1	4517	1
3918		4518

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