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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.328 by root, Wed Aug 8 06:24:30 2007 UTC vs.
Revision 1.622 by root, Wed Nov 23 06:05:33 2016 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
		62	use CBOR::XS ();
31	use IO::AIO 2.32 ();	63	use IO::AIO ();
32	use Time::HiRes;
33	use Compress::LZF;	64	use Compress::LZF;
34	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
35		68
36	# configure various modules to our taste	69	# configure various modules to our taste
37	#	70	#
38	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		79
42	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
43		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		82
49	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;
50		86
51	our %COMMAND = ();	87	our %COMMAND = ();
52	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
53		89
54	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
56	our %EXTICMD = ();	93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
59		97
60	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
62		102
63	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
64	our $DATADIR = datadir;	105	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
68	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
		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;
74		126
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	129	our $NEXT_TICK;
		130	our $USE_FSYNC = 1; # use fsync to write maps - default on
		131
		132	our $BDB_DEADLOCK_WATCHER;
		133	our $BDB_CHECKPOINT_WATCHER;
		134	our $BDB_TRICKLE_WATCHER;
		135	our $DB_ENV;
		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
		139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		141
		142	our $UPTIME; $UPTIME ||= time;
		143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
80	our $NOW;	145	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		146
83	our $BDB_POLL_WATCHER;	147	our (%PLAYER, %PLAYER_LOADING); # all users
84	our $DB_ENV;	148	our (%MAP, %MAP_LOADING ); # all maps
85
86	our %CFG;
87
88	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;
90
91	our %PLAYER; # all users
92	our %MAP; # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
94		150
95	# used to convert map paths into valid unix filenames by replacing / by ∕	151	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		153
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
		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 $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
101		166
102	binmode STDOUT;	167	binmode STDOUT;
103	binmode STDERR;	168	binmode STDERR;
104		169
105	# read virtual server time, if available	170	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
110	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
111		178
112	mkdir $_	179	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		181
115	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
116		183
117	sub cf::map::normalise;	184	sub cf::map::normalise;
118		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
119	#############################################################################	190	#############################################################################
120		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
121	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
122		204
123	=over 4	205	=over 4
124		206
125	=item $cf::UPTIME	207	=item $cf::UPTIME
126		208
127	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.
128		225
129	=item $cf::RUNTIME	226	=item $cf::RUNTIME
130		227
131	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
132	every server tick.	229	every server tick.
133		230
134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
137		234
138	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
141	database environment.	238	database environment.
142		239
143	=item $cf::NOW
144
145	The time of the last (current) server tick.
146
147	=item $cf::TICK
148
149	The interval between server ticks, in seconds.
150
151	=item $cf::LOADAVG	240	=item $cf::LOADAVG
152		241
153	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
154	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
155	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
158		247
159	The raw value load value from the last tick.	248	The raw value load value from the last tick.
160		249
161	=item %cf::CFG	250	=item %cf::CFG
162		251
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	253	from wherever your confdir points to.
165		254
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		256
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick.
169	returns directly I<after> the tick processing (and consequently, can only wake one process	258	cf::wait_for_tick_begin only returns directly I<after> the tick
		259	processing (and consequently, can only wake one thread per tick), while
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	260	cf::wait_for_tick wakes up all waiters after tick processing.
		261
		262	Note that cf::wait_for_tick will immediately return when the server is not
		263	ticking, making it suitable for small pauses in threads that need to run
		264	when the server is paused. If that is not applicable (i.e. you I<really>
		265	want to wait, use C<$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();
171		278
172	=item @cf::INVOKE_RESULTS	279	=item @cf::INVOKE_RESULTS
173		280
174	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
175	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
176	that call.	283	that call.
177		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
178	=back	291	=back
179		292
180	=cut	293	=cut
181		294
182	BEGIN {	295	sub error(@) { LOG llevError, join "", @_ }
183	*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 {
184	my $msg = join "", @_;	302	my $msg = join "", @_;
185		303
186	$msg .= "\n"	304	$msg .= "\n"
187	unless $msg =~ /\n$/;	305	unless $msg =~ /\n$/;
188		306
189	$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;
190		308
191	utf8::encode $msg;
192	LOG llevError, $msg;	309	LOG llevWarn, $msg;
193	};	310	};
194	}	311
		312	$Coro::State::DIEHOOK = sub {
		313	return unless $^S eq 0; # "eq", not "=="
		314
		315	error Carp::longmess $_[0];
		316
		317	if (in_main) {#d#
		318	error "DIEHOOK called in main context, Coro bug?\n";#d#
		319	return;#d#
		320	}#d#
		321
		322	# kill coroutine otherwise
		323	Coro::terminate
		324	};
195		325
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	336	for my $pkg (qw(
207	cf::global cf::attachable	337	cf::global cf::attachable
208	cf::object cf::object::player	338	cf::object cf::object::player
209	cf::client cf::player	339	cf::client cf::player
210	cf::arch cf::living	340	cf::arch cf::living
		341	cf::map cf::mapspace
211	cf::map cf::party cf::region	342	cf::party cf::region
212	)) {	343	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	345	}
216		346
217	$Event::DIED = sub {	347	$EV::DIED = sub {
218	warn "error in event callback: @_";	348	warn "error in event callback: $@";
219	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
220		355
221	#############################################################################	356	#############################################################################
222		357
223	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
224		359
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	381	$d
247	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
248	}	383	}
249		384
		385	=item $scalar = cf::load_file $path
		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($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
250	=item $ref = cf::from_json $json	437	=item $ref = cf::decode_json $json
251		438
252	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
253		440
254	=item $json = cf::to_json $ref	441	=item $json = cf::encode_json $ref
255		442
256	Converts a perl data structure into its JSON representation.	443	Converts a perl data structure into its JSON representation.
257		444
258	=cut	445	=cut
259		446
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	447	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		448
262	sub to_json ($) { $json_coder->encode ($_[0]) }	449	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	450	sub decode_json($) { $json_coder->decode ($_[0]) }
		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	}
264		527
265	=item cf::lock_wait $string	528	=item cf::lock_wait $string
266		529
267	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
268		531
269	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
270		533
271	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
272	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,
273	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
274	returned.	537	returned.
275		538
		539	Locks are *not* recursive, locking from the same coro twice results in a
		540	deadlocked coro.
		541
276	Lock names should begin with a unique identifier (for example, cf::map::find	542	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	543	uses map_find and cf::map::load uses map_load).
278		544
279	=item $locked = cf::lock_active $string	545	=item $locked = cf::lock_active $string
280		546
281	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.
282		548
283	=cut	549	=cut
284		550
285	our %LOCK;	551	our $LOCKS = new Coro::SemaphoreSet;
286		552
287	sub lock_wait($) {	553	sub lock_wait($) {
288	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	555	}
296		556
297	sub lock_acquire($) {	557	sub lock_acquire($) {
298	my ($key) = @_;	558	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	559	}
310		560
311	sub lock_active($) {	561	sub lock_active($) {
312	my ($key) = @_;	562	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	563	}
316		564
317	sub freeze_mainloop {	565	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	566	tick_inhibit_inc;
319		567
320	my $guard = Coro::guard {	568	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	569	}
322	};	570
323	$TICK_WATCHER->stop;	571	=item cf::periodic $interval, $cb
324	$guard	572
		573	Like EV::periodic, but randomly selects a starting point so that the actions
		574	get spread over time.
		575
		576	=cut
		577
		578	sub periodic($$) {
		579	my ($interval, $cb) = @_;
		580
		581	my $start = rand List::Util::min 180, $interval;
		582
		583	EV::periodic $start, $interval, 0, $cb
325	}	584	}
326		585
327	=item cf::get_slot $time[, $priority[, $name]]	586	=item cf::get_slot $time[, $priority[, $name]]
328		587
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	588	Allocate $time seconds of blocking CPU time at priority C<$priority>
330	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
331	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.
332		595
333	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
334	used for statistical purposes and should identify the same time-class.	597	used for statistical purposes and should identify the same time-class.
335		598
336	Useful for short background jobs.	599	Useful for short background jobs.
337		600
338	=cut	601	=cut
339		602
340	our @SLOT_QUEUE;	603	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
342		606
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	608	$SLOT_QUEUE = Coro::async {
		609	$Coro::current->desc ("timeslot manager");
		610
345	my $signal = new Coro::Signal;	611	my $signal = new Coro::Signal;
		612	my $busy;
346		613
347	while () {	614	while () {
348	next_job:	615	next_job:
		616
		617	Coro::cede;
		618
349	my $avail = cf::till_tick;	619	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	620
351	for (0 .. $#SLOT_QUEUE) {	621	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	624	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	625	$job->[2]->send;
355	Coro::cede;
356	goto next_job;	626	goto next_job;
357	}	627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	629	}
359	}	630	}
360		631
361	if (@SLOT_QUEUE) {	632	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	633	wait_for_tick;
363	push @cf::WAIT_FOR_TICK, $signal;
364	$signal->wait;
365	} else {	634	} else {
		635	$busy = 0;
366	Coro::schedule;	636	Coro::schedule;
367	}	637	}
368	}	638	}
369	};	639	};
370		640
371	sub get_slot($;$$) {	641	sub get_slot($;$$) {
		642	return if tick_inhibit || $Coro::current == $Coro::main;
		643
372	my ($time, $pri, $name) = @_;	644	my ($time, $pri, $name) = @_;
373		645
374	$time = $TICK * .6 if $time > $TICK * .6;	646	$time = clamp $time, 0.01, $TICK * .6;
		647
375	my $sig = new Coro::Signal;	648	my $sig = new Coro::Signal;
376		649
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	650	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	651	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	652	$SLOT_QUEUE->ready;
…		…
390		663
391	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
392		665
393	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
394		667
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	668	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	669	is always able to handle events or is runnable, as Deliantra is only
397	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
398	acceptable.	671	acceptable.
399		672
400	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
401	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
…		…
405	=cut	678	=cut
406		679
407	sub sync_job(&) {	680	sub sync_job(&) {
408	my ($job) = @_;	681	my ($job) = @_;
409		682
410	if ($Coro::current == $Coro::main) {	683	if (in_main) {
411	my $time = Event::time;	684	my $time = AE::time;
412		685
413	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
415		688
416	# TODO: use suspend/resume instead	689	#LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	690
418	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
419		692
420	my $busy = 1;	693	my $busy = 1;
421	my @res;	694	my @res;
422		695
423	(async {	696	(async {
		697	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	698	@res = eval { $job->() };
425	warn $@ if $@;	699	error $@ if $@;
426	undef $busy;	700	undef $busy;
427	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
428		702
429	while ($busy) {	703	while ($busy) {
430	Coro::cede or Event::one_event;	704	if (Coro::nready) {
		705	Coro::cede_notself;
		706	} else {
		707	EV::run EV::RUN_ONCE;
431	}	708	}
		709	}
432		710
433	$time = Event::time - $time;	711	my $time = AE::time - $time;
434		712
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	713	$TICK_START += $time; # do not account sync jobs to server load
439		714
440	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
441	} else {	716	} else {
442	# we are in another coroutine, how wonderful, everything just works	717	# we are in another coroutine, how wonderful, everything just works
443		718
…		…
463	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
464		739
465	$coro	740	$coro
466	}	741	}
467		742
468	=item fork_call { }, $args	743	=item fork_call { }, @args
469		744
470	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
471	process, returning the results. Everything must be serialisable with	746	process, returning the results. Everything must be serialisable with
472	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
473	never block itself or use any form of Event handling.	748	never block itself or use any form of event handling.
474		749
475	=cut	750	=cut
476		751
477	sub _store_scalar {	752	sub post_fork {
478	open my $fh, ">", \my $buf	753	reset_signals;
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}	754	}
485		755
486	sub fork_call(&@) {	756	sub fork_call(&@) {
487	my ($cb, @args) = @_;	757	my ($cb, @args) = @_;
488		758
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	759	my @res = Coro::Util::fork_eval {
490	# or die "socketpair: $!";	760	cf::post_fork;
491	pipe my $fh1, my $fh2	761	&$cb
492	or die "pipe: $!";	762	} @args;
493		763
494	if (my $pid = fork) {	764	wantarray ? @res : $res[-1]
495	close $fh2;	765	}
496		766
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	767	sub objinfo {
498	warn "pst<$res>" unless $res =~ /^pst/;
499	$res = Coro::Storable::thaw $res;
500
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;
508	local $SIG{__WARN__};
509	local $SIG{__DIE__};
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515
516	eval {
517	close $fh1;
518
519	my @res = eval { $cb->(@args) };
520
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522	close $fh2;
523	};
524
525	warn $@ if $@;
526	_exit 0;
527	}	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	)
		776	}
		777
		778	=item $coin = coin_from_name $name
		779
		780	=cut
		781
		782	our %coin_alias = (
		783	"silver" => "silvercoin",
		784	"silvercoin" => "silvercoin",
		785	"silvercoins" => "silvercoin",
		786	"gold" => "goldcoin",
		787	"goldcoin" => "goldcoin",
		788	"goldcoins" => "goldcoin",
		789	"platinum" => "platinacoin",
		790	"platinumcoin" => "platinacoin",
		791	"platinumcoins" => "platinacoin",
		792	"platina" => "platinacoin",
		793	"platinacoin" => "platinacoin",
		794	"platinacoins" => "platinacoin",
		795	"royalty" => "royalty",
		796	"royalties" => "royalty",
		797	);
		798
		799	sub coin_from_name($) {
		800	$coin_alias{$_[0]}
		801	? cf::arch::find $coin_alias{$_[0]}
		802	: undef
528	}	803	}
529		804
530	=item $value = cf::db_get $family => $key	805	=item $value = cf::db_get $family => $key
531		806
532	Returns a single value from the environment database.	807	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	809	=item cf::db_put $family => $key => $value
535		810
536	Stores the given C<$value> in the family. It can currently store binary	811	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	812	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		813
		814	=item $db = cf::db_table "name"
		815
		816	Create and/or open a new database table. The string must not be "db" and must be unique
		817	within each server.
		818
539	=cut	819	=cut
		820
		821	sub db_table($) {
		822	cf::error "db_get called from main context"
		823	if $Coro::current == $Coro::main;
		824
		825	my ($name) = @_;
		826	my $db = BDB::db_create $DB_ENV;
		827
		828	eval {
		829	$db->set_flags (BDB::CHKSUM);
		830
		831	utf8::encode $name;
		832	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		833	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		834	cf::cleanup "db_open(db): $!" if $!;
		835	};
		836	cf::cleanup "db_open(db): $@" if $@;
		837
		838	$db
		839	}
540		840
541	our $DB;	841	our $DB;
542		842
543	sub db_init {	843	sub db_init {
544	unless ($DB) {	844	$DB ||= db_table "db";
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {
548	eval {
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}
558	}	845	}
559		846
560	sub db_get($$) {	847	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	848	my $key = "$_[0]/$_[1]";
562		849
563	cf::sync_job {	850	cf::error "db_get called from main context"
		851	if $Coro::current == $Coro::main;
		852
564	BDB::db_get $DB, undef, $key, my $data;	853	BDB::db_get $DB, undef, $key, my $data;
565		854
566	$! ? ()	855	$! ? ()
567	: $data	856	: $data
568	}
569	}	857	}
570		858
571	sub db_put($$$) {	859	sub db_put($$$) {
572	BDB::dbreq_pri 4;	860	BDB::dbreq_pri 4;
573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
601		889
602	my @data;	890	my @data;
603	my $md5;	891	my $md5;
604		892
605	for (0 .. $#$src) {	893	for (0 .. $#$src) {
606	0 <= aio_load $src->[$_], $data[$_]	894	$data[$_] = load_file $src->[$_];
607	or Carp::croak "$src->[$_]: $!";
608	}	895	}
609		896
610	# if processing is expensive, check	897	# if processing is expensive, check
611	# checksum first	898	# checksum first
612	if (1) {	899	if (1) {
613	$md5 =	900	$md5 =
614	join "\x00",	901	join "\x00",
615	$processversion,	902	$processversion,
616	map {	903	map {
617	Coro::cede;	904	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	905	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	906	} 0.. $#$src;
620		907
621		908
622	my $dbmd5 = db_get cache => "$id/md5";	909	my $dbmd5 = db_get cache => "$id/md5";
…		…
625		912
626	return db_get cache => "$id/data";	913	return db_get cache => "$id/data";
627	}	914	}
628	}	915	}
629		916
630	my $t1 = Time::HiRes::time;	917	my $t1 = EV::time;
631	my $data = $process->(\@data);	918	my $data = $process->(\@data);
632	my $t2 = Time::HiRes::time;	919	my $t2 = EV::time;
633		920
634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	921	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635		922
636	db_put cache => "$id/data", $data;	923	db_put cache => "$id/data", $data;
637	db_put cache => "$id/md5" , $md5;	924	db_put cache => "$id/md5" , $md5;
638	db_put cache => "$id/meta", $meta;	925	db_put cache => "$id/meta", $meta;
639		926
…		…
649		936
650	=cut	937	=cut
651		938
652	sub datalog($@) {	939	sub datalog($@) {
653	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655	}	942	}
656		943
657	=back	944	=back
658		945
659	=cut	946	=cut
660		947
661	#############################################################################	948	#############################################################################
662		949
663	=head2 ATTACHABLE OBJECTS	950	=head2 ATTACHABLE OBJECTS
664		951
665	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
666	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")
667	to it. All such attachable objects support the following methods.	954	to it. All such attachable objects support the following methods.
668		955
669	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>
670	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
671	Crossfire TRT).	958	Deliantra).
672		959
673	=over 4	960	=over 4
674		961
675	=item $attachable->attach ($attachment, key => $value...)	962	=item $attachable->attach ($attachment, key => $value...)
676		963
…		…
720	=item cf::CLASS::attachment $name, ...	1007	=item cf::CLASS::attachment $name, ...
721		1008
722	Register an attachment by C<$name> through which attachable objects of the	1009	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	1010	given CLASS can refer to this attachment.
724		1011
725	Some classes such as crossfire maps and objects can specify attachments	1012	Some classes such as deliantra maps and objects can specify attachments
726	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.
727		1014
728	These calls expect any number of the following handler/hook descriptions:	1015	These calls expect any number of the following handler/hook descriptions:
729		1016
730	=over 4	1017	=over 4
…		…
854		1141
855	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
856	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857		1144
858	} elsif (ref $type) {	1145	} elsif (ref $type) {
859	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
860		1147
861	} else {	1148	} else {
862	shift @arg;	1149	shift @arg;
863	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
864	}	1151	}
865	}	1152	}
866	}	1153	}
867		1154
868	sub _object_attach {	1155	sub _object_attach {
…		…
878	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
879	}	1166	}
880		1167
881	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
882	} else {	1169	} else {
883	warn "object uses attachment '$name' which is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
884	}	1171	}
885		1172
886	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
887	}	1174	}
888		1175
…		…
947		1234
948	for (@$callbacks) {	1235	for (@$callbacks) {
949	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
950		1237
951	if ($@) {	1238	if ($@) {
952	warn "$@";
953	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954	override;	1240	override;
955	}	1241	}
956		1242
957	return 1 if $override;	1243	return 1 if $override;
958	}	1244	}
959		1245
960	0	1246	0
961	}	1247	}
962		1248
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1249	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1250
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1251	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1252
967	Generate an object-specific event with the given arguments.	1253	Generate an object-specific event with the given arguments.
968		1254
…		…
974		1260
975	=cut	1261	=cut
976		1262
977	#############################################################################	1263	#############################################################################
978	# object support	1264	# object support
979	#
980		1265
		1266	sub _object_equal($$);
		1267	sub _object_equal($$) {
		1268	my ($a, $b) = @_;
		1269
		1270	return 0 unless (ref $a) eq (ref $b);
		1271
		1272	if ("HASH" eq ref $a) {
		1273	my @ka = keys %$a;
		1274	my @kb = keys %$b;
		1275
		1276	return 0 if @ka != @kb;
		1277
		1278	for (0 .. $#ka) {
		1279	return 0 unless $ka[$_] eq $kb[$_];
		1280	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1281	}
		1282
		1283	} elsif ("ARRAY" eq ref $a) {
		1284
		1285	return 0 if @$a != @$b;
		1286
		1287	for (0 .. $#$a) {
		1288	return 0 unless _object_equal $a->[$_], $b->[$_];
		1289	}
		1290
		1291	} elsif ($a ne $b) {
		1292	return 0;
		1293	}
		1294
		1295	1
		1296	}
		1297
		1298	our $SLOW_MERGES;#d#
981	sub _can_merge {	1299	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1300	my ($ob1, $ob2) = @_;
983		1301
984	local $Storable::canonical = 1;	1302	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1303
988	$fob1 eq $fob2	1304	# we do the slow way here
		1305	return _object_equal $ob1, $ob2
989	}	1306	}
990		1307
991	sub reattach {	1308	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1309	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1310	my ($obj) = @_;
994		1311
		1312	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1313	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1314
997	my $registry = $obj->registry;	1315	my $registry = $obj->registry;
998		1316
999	@$registry = ();	1317	@$registry = ();
1000		1318
…		…
1005	for (@$attach) {	1323	for (@$attach) {
1006	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
1007	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
1008	}	1326	}
1009	} else {	1327	} else {
1010	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
1011	}	1329	}
1012	}	1330	}
1013	}	1331	}
1014		1332
1015	cf::attachable->attach (	1333	cf::attachable->attach (
1016	prio => -1000000,	1334	prio => -1000000,
1017	on_instantiate => sub {	1335	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1336	my ($obj, $data) = @_;
1019		1337
1020	$data = from_json $data;	1338	$data = decode_json $data;
1021		1339
1022	for (@$data) {	1340	for (@$data) {
1023	my ($name, $args) = @$_;	1341	my ($name, $args) = @$_;
1024		1342
1025	$obj->attach ($name, %{$args || {} });	1343	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1359	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
1043		1361
1044	sync_job {	1362	sync_job {
1045	if (length $$rdata) {	1363	if (length $$rdata) {
		1364	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
1048		1368
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1370	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	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	}
1053	close $fh;	1376	aio_close $fh;
1054		1377
1055	if (@$objs) {	1378	if (@$objs) {
1056	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) {
1057	chmod SAVE_MODE, $fh;	1380	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
1060	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	}
1061	close $fh;	1387	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1389	}
1064	} else {	1390	} else {
1065	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
1066	}	1392	}
1067		1393
1068	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
		1395
		1396	$filename =~ s%/[^/]+$%%;
		1397	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1398	} else {
1070	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
1071	}	1400	}
1072	} else {	1401	} else {
1073	aio_unlink $filename;	1402	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
1075	}	1404	}
1076	}	1405	};
1077	}	1406	}
1078		1407
1079	sub object_freezer_as_string {	1408	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1409	my ($rdata, $objs) = @_;
1081		1410
…		…
1093	or return;	1422	or return;
1094		1423
1095	unless (aio_stat "$filename.pst") {	1424	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1425	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1426	or return;
		1427
1098	$av = eval { (Storable::thaw $av)->{objs} };	1428	my $st = eval { Coro::Storable::thaw $av };
		1429	$av = $st->{objs};
1099	}	1430	}
1100		1431
		1432	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
		1436
1103	return ($data, $av);	1437	($data, $av)
1104	}	1438	}
1105		1439
1106	=head2 COMMAND CALLBACKS	1440	=head2 COMMAND CALLBACKS
1107		1441
1108	=over 4	1442	=over 4
…		…
1110	=cut	1444	=cut
1111		1445
1112	#############################################################################	1446	#############################################################################
1113	# command handling &c	1447	# command handling &c
1114		1448
1115	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
1116		1450
1117	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
1118	$name.	1452	$name.
1119		1453
1120	=cut	1454	=cut
…		…
1126	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
1127		1461
1128	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
1129	}	1463	}
1130		1464
1131	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
1132		1466
1133	Register a callback for execution when the client sends an (synchronous)	1467	Register a callback for execution when the client sends an (synchronous)
1134	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
1135	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
1136	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
1137	has logged in successfully.	1471	has logged in successfully.
1138		1472
1139	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1140	called.
1141		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
1142	=item cf::register_exticmd $name => \&callback($ns,$packet);	1480	=item cf::register_exticmd $name => \&callback($ns,@args)
1143		1481
1144	Register a callback for execution when the client sends an (asynchronous)	1482	Register a callback for execution when the client sends an (asynchronous)
1145	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
1146	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
1147	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
1148	log-in.	1486	log-in.
1149		1487
1150	If the callback returns something, it is sent back as if reply was being	1488	The values will be sent back to the client.
1151	called.
1152		1489
1153	=cut	1490	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1154		1491
		1492	Same as C<cf::register_extcmd>, but instead of returning values, the
		1493	callback needs to clal the C<$reply> function.
		1494
		1495	=cut
		1496
1155	sub register_extcmd {	1497	sub register_extcmd($$) {
1156	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
1157		1499
1158	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
1159	}	1501	}
1160		1502
1161	sub register_exticmd {	1503	sub register_async_extcmd($$) {
1162	my ($name, $cb) = @_;	1504	my ($name, $cb) = @_;
1163		1505
		1506	$EXTACMD{$name} = $cb;
		1507	}
		1508
		1509	sub register_exticmd($$) {
		1510	my ($name, $cb) = @_;
		1511
1164	$EXTICMD{$name} = $cb;	1512	$EXTICMD{$name} = $cb;
1165	}	1513	}
1166		1514
		1515	sub register_async_exticmd($$) {
		1516	my ($name, $cb) = @_;
		1517
		1518	$EXTIACMD{$name} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
1167	cf::player->attach (	1523	cf::player->attach (
1168	on_command => sub {	1524	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
1170		1526
1171	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
1172	or return;	1528	or return;
1173		1529
…		…
1181	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
1182		1538
1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184		1540
1185	if (ref $msg) {	1541	if (ref $msg) {
1186	my ($type, $reply, @payload) =	1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1187	"ARRAY" eq ref $msg
1188	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1543
1191	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}) {
1192	my @reply = $cb->($pl, @payload);	1557	@reply = $cb->($pl, @payload);
		1558	}
1193		1559
1194	$pl->ext_reply ($reply, @reply)	1560	$pl->ext_msg ("reply-$reply", @reply)
1195	if $reply;	1561	if $reply;
1196	}	1562	}
		1563
1197	} else {	1564	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1566	}
1200		1567
1201	cf::override;	1568	cf::override;
1202	},	1569	},
1203	);	1570	);
1204		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
1205	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
1206	cf::sync_job {	1601	cf::sync_job {
1207	my %todo;	1602	my %todo;
1208		1603
1209	for my $path (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1605	next unless -r $path;
…		…
1228		1623
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1624	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1625	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1626
1232	$ext{source} =	1627	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1628	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1629	. "#line 1 \"$path\"\n{\n"
1235	. $source	1630	. $source
1236	. "\n};\n1";	1631	. "\n};\n1";
1237		1632
1238	$todo{$base} = \%ext;	1633	$todo{$base} = \%ext;
1239	}	1634	}
1240		1635
		1636	my $pass = 0;
1241	my %done;	1637	my %done;
1242	while (%todo) {	1638	while (%todo) {
1243	my $progress;	1639	my $progress;
1244		1640
		1641	++$pass;
		1642
		1643	ext:
1245	while (my ($k, $v) = each %todo) {	1644	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1645	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1646	next ext
1248	unless exists $done{$_};	1647	unless exists $done{$_};
1249	}	1648	}
1250		1649
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1650	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1651
1253	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 $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1664	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1665
		1666	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1667	if exists $v->{meta}{mandatory};
1258	warn $msg;	1668
1259	warn "mandatory extension failed to load, exiting.\n";	1669	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1670	delete $todo{$k};
1261	}	1671	} else {
1262		1672	$done{$k} = delete $todo{$k};
1263	warn $msg;	1673	push @EXTS, $v->{pkg};
		1674	$progress = 1;
		1675
		1676	info "$v->{base}: extension inactive.\n"
		1677	unless $active;
1264	}	1678	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1679	}
1270		1680
1271	skip:	1681	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1682	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	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	}
1274	}	1691	}
1275	};	1692	};
1276	}	1693	}
1277		1694
1278	#############################################################################	1695	#############################################################################
1279		1696
1280	=back	1697	=back
1281		1698
1282	=head2 CORE EXTENSIONS	1699	=head2 CORE EXTENSIONS
1283		1700
1284	Functions and methods that extend core crossfire objects.	1701	Functions and methods that extend core deliantra objects.
1285		1702
1286	=cut	1703	=cut
1287		1704
1288	package cf::player;	1705	package cf::player;
1289		1706
1290	use Coro::AIO;	1707	use Coro::AIO;
1291		1708
1292	=head3 cf::player	1709	=head3 cf::player
1293		1710
1294	=over 4	1711	=over 4
		1712
		1713	=item cf::player::num_playing
		1714
		1715	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1716
		1717	=cut
		1718
		1719	sub num_playing {
		1720	scalar grep
		1721	$_->ob->map
		1722	&& !$_->hidden
		1723	&& !$_->ob->flag (cf::FLAG_WIZ),
		1724	cf::player::list
		1725	}
1295		1726
1296	=item cf::player::find $login	1727	=item cf::player::find $login
1297		1728
1298	Returns the given player object, loading it if necessary (might block).	1729	Returns the given player object, loading it if necessary (might block).
1299		1730
…		…
1318		1749
1319	sub exists($) {	1750	sub exists($) {
1320	my ($login) = @_;	1751	my ($login) = @_;
1321		1752
1322	$cf::PLAYER{$login}	1753	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1754	or !aio_stat path $login
1324	}	1755	}
1325		1756
1326	sub find($) {	1757	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1758	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1759	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1766	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1767	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1768	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1769	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1770
1340	my $pl = load_pl path $login	1771	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1772	or return;
		1773
		1774	my $pl = cf::player::load_pl $f
		1775	or return;
		1776
		1777	local $cf::PLAYER_LOADING{$login} = $pl;
		1778	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1343	}	1780	}
1344	}	1781	}
1345	}	1782	}
		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($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	);
1346		1796
1347	sub save($) {	1797	sub save($) {
1348	my ($pl) = @_;	1798	my ($pl) = @_;
1349		1799
1350	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1805	return if $pl->{deny_save};
1356		1806
1357	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
1359		1809
		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];
		1814
1360	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1361	Coro::cede;	1816	cf::cede_to_tick;
1362	}	1817	}
1363		1818
1364	sub new($) {	1819	sub new($) {
1365	my ($login) = @_;	1820	my ($login) = @_;
1366		1821
…		…
1372	$cf::PLAYER{$login} = $self;	1827	$cf::PLAYER{$login} = $self;
1373		1828
1374	$self	1829	$self
1375	}	1830	}
1376		1831
		1832	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1833
		1834	=cut
		1835
		1836	sub send_msg {
		1837	my $ns = shift->ns
		1838	or return;
		1839	$ns->send_msg (@_);
		1840	}
		1841
1377	=item $pl->quit_character	1842	=item $pl->quit_character
1378		1843
1379	Nukes the player without looking back. If logged in, the connection will	1844	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1845	be destroyed. May block for a long time.
1381		1846
…		…
1385	my ($pl) = @_;	1850	my ($pl) = @_;
1386		1851
1387	my $name = $pl->ob->name;	1852	my $name = $pl->ob->name;
1388		1853
1389	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1390	$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
1391		1856
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1393	$pl->deactivate;	1858	$pl->deactivate;
		1859
		1860	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1395	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1396		1865
1397	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1399	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
…		…
1434	or return [];	1903	or return [];
1435		1904
1436	my @logins;	1905	my @logins;
1437		1906
1438	for my $login (@$dirs) {	1907	for my $login (@$dirs) {
		1908	my $path = path $login;
		1909
		1910	# a .pst is a dead give-away for a valid player
		1911	# if no pst file found, open and chekc for blocked users
		1912	if (aio_stat "$path.pst") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1913	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1914	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1915	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1916	}
1442		1917
1443	utf8::decode $login;	1918	utf8::decode $login;
1444	push @logins, $login;	1919	push @logins, $login;
1445	}	1920	}
1446		1921
1447	\@logins	1922	\@logins
1448	}	1923	}
1449		1924
1450	=item $player->maps	1925	=item $player->maps
		1926
		1927	=item cf::player::maps $login
1451		1928
1452	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1453	player. May block.	1930	player. May block.
1454		1931
1455	=cut	1932	=cut
…		…
1473	}	1950	}
1474		1951
1475	\@paths	1952	\@paths
1476	}	1953	}
1477		1954
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1956
1480	Expand crossfire pod fragments into protocol xml.	1957	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527
1528	=item $player->ext_reply ($msgid, @msg)
1529
1530	Sends an ext reply to the player.
1531
1532	=cut
1533
1534	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;
1536
1537	if ($self->ns->extcmd == 2) {
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}
1545		1958
1546	=item $player->ext_msg ($type, @msg)	1959	=item $player->ext_msg ($type, @msg)
1547		1960
1548	Sends an ext event to the client.	1961	Sends an ext event to the client.
1549		1962
…		…
1569		1982
1570	=cut	1983	=cut
1571		1984
1572	sub find_by_path($) {	1985	sub find_by_path($) {
1573	my ($path) = @_;	1986	my ($path) = @_;
		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
1574		1989
1575	my ($match, $specificity);	1990	my ($match, $specificity);
1576		1991
1577	for my $region (list) {	1992	for my $region (list) {
1578	if ($region->{match} && $path =~ $region->{match}) {	1993	if ($region->{match} && $path =~ $region->{match}) {
…		…
1604	our $MAX_RESET = 3600;	2019	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	2020	our $DEFAULT_RESET = 3000;
1606		2021
1607	sub generate_random_map {	2022	sub generate_random_map {
1608	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1609	# mit "rum" bekleckern, nicht	2024
		2025	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2026
1610	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614	$rmp->{exit_on_final_map},
1615	$rmp->{xsize}, $rmp->{ysize},
1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1618	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1619	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1620	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1621	(cf::region::find $rmp->{region}), $rmp->{custom}
1622	)
1623	}	2028	}
1624		2029
1625	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1626		2031
1627	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
…		…
1632		2037
1633	sub register {	2038	sub register {
1634	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1635	my $pkg = caller;	2040	my $pkg = caller;
1636		2041
1637	no strict;
1638	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1639		2043
1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1641	}	2045	}
1642		2046
1643	# also paths starting with '/'	2047	# also paths starting with '/'
1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1645		2049
1646	sub thawer_merge {	2050	sub thawer_merge {
1647	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1648		2052
1649	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
…		…
1654	}	2058	}
1655		2059
1656	sub normalise {	2060	sub normalise {
1657	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1658		2062
1659	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1660		2064
1661	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1662		2066
1663	# map plan:	2067	# map plan:
1664	#	2068	#
…		…
1679	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1680	$path = "$base/$path";	2084	$path = "$base/$path";
1681	}	2085	}
1682		2086
1683	for ($path) {	2087	for ($path) {
1684	redo if s{//}{/};
1685	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1686	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1687	}	2090	}
1688		2091
1689	$path	2092	$path
…		…
1703	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1704	return $self;	2107	return $self;
1705	}	2108	}
1706	}	2109	}
1707		2110
1708	Carp::cluck "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1709	()	2112	()
1710	}	2113	}
1711		2114
		2115	# may re-bless or do other evil things
1712	sub init {	2116	sub init {
1713	my ($self) = @_;	2117	my ($self) = @_;
1714		2118
1715	$self	2119	$self
1716	}	2120	}
…		…
1735		2139
1736	# the temporary/swap location	2140	# the temporary/swap location
1737	sub save_path {	2141	sub save_path {
1738	my ($self) = @_;	2142	my ($self) = @_;
1739		2143
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2144	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	2145	"$TMPDIR/$path.map"
1742	}	2146	}
1743		2147
1744	# the unique path, undef == no special unique path	2148	# the unique path, undef == no special unique path
1745	sub uniq_path {	2149	sub uniq_path {
1746	my ($self) = @_;	2150	my ($self) = @_;
1747		2151
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	2153	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	2154	}
1760		2155
1761	sub decay_objects {	2156	sub decay_objects {
1762	my ($self) = @_;	2157	my ($self) = @_;
1763		2158
…		…
1776		2171
1777	sub load_header_from($) {	2172	sub load_header_from($) {
1778	my ($self, $path) = @_;	2173	my ($self, $path) = @_;
1779		2174
1780	utf8::encode $path;	2175	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	2176	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	2177	or return;
1786		2178
		2179	$self->_load_header ($f)
		2180	or return;
		2181
		2182	local $MAP_LOADING{$self->{path}} = $self;
		2183	$f->resolve_delayed_derefs;
		2184
1787	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1788		2186
1789	1	2187	1
1790	}	2188	}
1791		2189
		2190	# used to laod the header of an original map
1792	sub load_header_orig {	2191	sub load_header_orig {
1793	my ($self) = @_;	2192	my ($self) = @_;
1794		2193
1795	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1796	}	2195	}
1797		2196
		2197	# used to laod the header of an instantiated map
1798	sub load_header_temp {	2198	sub load_header_temp {
1799	my ($self) = @_;	2199	my ($self) = @_;
1800		2200
1801	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1802	}	2202	}
1803		2203
		2204	# called after loading the header from an instantiated map
1804	sub prepare_temp {	2205	sub prepare_temp {
1805	my ($self) = @_;	2206	my ($self) = @_;
1806		2207
1807	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1808	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1809	# safety	2210	# safety
1810	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
1811	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
1812	}	2213	}
1813		2214
		2215	# called after loading the header from an original map
1814	sub prepare_orig {	2216	sub prepare_orig {
1815	my ($self) = @_;	2217	my ($self) = @_;
1816		2218
1817	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
1818	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1842		2244
1843	sub find;	2245	sub find;
1844	sub find {	2246	sub find {
1845	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
1846		2248
		2249	cf::cede_to_tick;
		2250
1847	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
1848		2252
		2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
1850		2255
1851	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
1854	or return;	2258	or return;
1855		2259
1856	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
1857		2261
…		…
1859	or return;	2263	or return;
1860		2264
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2265	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	2266	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	2267	#$cf::WAIT_FOR_TICK->wait;
		2268	undef $guard2;
		2269	undef $guard1;
1864	$map->reset;	2270	$map->reset;
1865	undef $guard;
1866	return find $path;	2271	return find $path;
1867	}	2272	}
1868		2273
1869	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
1870	}	2275	}
1871	}	2276	}
1872		2277
1873	sub pre_load { }	2278	sub pre_load { }
1874	sub post_load { }	2279	#sub post_load { } # XS
1875		2280
1876	sub load {	2281	sub load {
1877	my ($self) = @_;	2282	my ($self) = @_;
1878		2283
1879	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
1880		2285
1881	my $path = $self->{path};	2286	my $path = $self->{path};
1882		2287
1883	{	2288	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
1885		2290
		2291	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2292	return unless $self->state == cf::MAP_SWAPPED;
1887
1888	$self->in_memory (cf::MAP_LOADING);
1889		2293
1890	$self->alloc;	2294	$self->alloc;
1891		2295
1892	$self->pre_load;	2296	$self->pre_load;
1893	Coro::cede;	2297	cf::cede_to_tick;
1894		2298
1895	$self->_load_objects ($self->{load_path}, 1)	2299	if (exists $self->{load_path}) {
		2300	my $f = new_from_file cf::object::thawer $self->{load_path};
		2301	$f->skip_block;
		2302	$self->_load_objects ($f)
1896	or return;	2303	or return;
1897		2304
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2305	$self->post_load_original
1899	if delete $self->{load_original};	2306	if delete $self->{load_original};
1900		2307
1901	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2309	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2310	unless (aio_stat $uniq) {
		2311	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2312	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2313	$self->_load_objects ($f);
		2314	$f->resolve_delayed_derefs;
		2315	}
		2316	}
1906	}	2317	}
1907	}
1908		2318
1909	Coro::cede;	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);
		2326
		2327	cf::cede_to_tick;
1910	# now do the right thing for maps	2328	# now do the right thing for maps
1911	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2331	unless $self->difficulty;
1914	Coro::cede;	2332	cf::cede_to_tick;
1915		2333
1916	unless ($self->{deny_activate}) {	2334	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2335	$self->decay_objects;
1918	$self->fix_auto_apply;	2336	$self->fix_auto_apply;
1919	$self->update_buttons;	2337	$self->update_buttons;
1920	Coro::cede;	2338	cf::cede_to_tick;
1921	$self->set_darkness_map;	2339	#$self->activate; # no longer activate maps automatically
1922	Coro::cede;
1923	$self->activate;
1924	}	2340	}
1925		2341
1926	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
1927	$self->last_access ($cf::RUNTIME);	2343	$self->last_access ($cf::RUNTIME);
1928
1929	$self->in_memory (cf::MAP_IN_MEMORY);
1930	}	2344	}
1931		2345
1932	$self->post_load;	2346	$self->post_load;
1933	}
1934		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
1935	sub customise_for {	2354	sub customise_for {
1936	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
1937		2356
1938	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
1939	if $self->per_player;	2358	if $self->per_player;
…		…
1942	# if $self->per_party;	2361	# if $self->per_party;
1943		2362
1944	$self	2363	$self
1945	}	2364	}
1946		2365
1947	# find and load all maps in the 3x3 area around a map
1948	sub load_diag {
1949	my ($map) = @_;
1950
1951	my @diag; # diagonal neighbours
1952
1953	for (0 .. 3) {
1954	my $neigh = $map->tile_path ($_)
1955	or next;
1956	$neigh = find $neigh, $map
1957	or next;
1958	$neigh->load;
1959
1960	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1961	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1962	}
1963
1964	for (@diag) {
1965	my $neigh = find @$_
1966	or next;
1967	$neigh->load;
1968	}
1969	}
1970
1971	sub find_sync {	2366	sub find_sync {
1972	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
1973		2368
1974	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
1975	}	2374	}
1976		2375
1977	sub do_load_sync {	2376	sub do_load_sync {
1978	my ($map) = @_;	2377	my ($map) = @_;
1979		2378
1980	cf::sync_job { $map->load };	2379	# it's a bug to call this from the main context
		2380	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2381	if $Coro::current == $Coro::main;
		2382
		2383	$map->load;
1981	}	2384	}
1982		2385
1983	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
1984	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
1985		2388
1986	sub find_async {	2389	sub find_async {
1987	my ($path, $origin) = @_;	2390	my ($path, $origin, $load) = @_;
1988		2391
1989	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
1990		2393
1991	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
1992	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2395	return $map if !$load || $map->linkable;
1993	}	2396	}
1994		2397
1995	undef $MAP_PREFETCH{$path};	2398	$MAP_PREFETCH{$path} |= $load;
		2399
1996	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
		2401	$Coro::current->{desc} = "map prefetcher";
		2402
1997	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
1998	for my $path (keys %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
1999	if (my $map = find $path) {	2405	if (my $map = find $k) {
2000	$map->load;	2406	$map->load if $MAP_PREFETCH{$k};
2001	}	2407	}
2002		2408
2003	delete $MAP_PREFETCH{$path};	2409	delete $MAP_PREFETCH{$k};
2004	}	2410	}
2005	}	2411	}
2006	undef $MAP_PREFETCHER;	2412	undef $MAP_PREFETCHER;
2007	};	2413	};
2008	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
2009		2415
2010	()	2416	()
2011	}	2417	}
2012		2418
		2419	# common code, used by both ->save and ->swapout
2013	sub save {	2420	sub _save {
2014	my ($self) = @_;	2421	my ($self) = @_;
2015
2016	my $lock = cf::lock_acquire "map_data:" . $self->path;
2017		2422
2018	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
2019		2424
2020	return unless $self->dirty;	2425	return unless $self->dirty;
2021		2426
…		…
2027	return if $self->{deny_save};	2432	return if $self->{deny_save};
2028		2433
2029	local $self->{last_access} = $self->last_access;#d#	2434	local $self->{last_access} = $self->last_access;#d#
2030		2435
2031	cf::async {	2436	cf::async {
		2437	$Coro::current->{desc} = "map player save";
2032	$_->contr->save for $self->players;	2438	$_->contr->save for $self->players;
2033	};	2439	};
		2440
		2441	cf::get_slot 0.02;
2034		2442
2035	if ($uniq) {	2443	if ($uniq) {
2036	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2444	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2037	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2445	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2038	} else {	2446	} else {
2039	$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);
2040	}	2448	}
2041	}	2449	}
2042		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
2043	sub swap_out {	2459	sub swap_out {
2044	my ($self) = @_;	2460	my ($self) = @_;
2045		2461
2046	# save first because save cedes
2047	$self->save;
2048
2049	my $lock = cf::lock_acquire "map_data:" . $self->path;	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
2050		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
2051	return if $self->players;	2466	return if $self->players;
2052	return if $self->in_memory != cf::MAP_IN_MEMORY;
2053	return if $self->{deny_save};
2054		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
2055	$self->clear;	2477	$self->clear;
2056	$self->in_memory (cf::MAP_SWAPPED);
2057	}	2478	}
2058		2479
2059	sub reset_at {	2480	sub reset_at {
2060	my ($self) = @_;	2481	my ($self) = @_;
2061		2482
…		…
2079		2500
2080	my $lock = cf::lock_acquire "map_data:$self->{path}";	2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
2081		2502
2082	return if $self->players;	2503	return if $self->players;
2083		2504
2084	warn "resetting map ", $self->path;	2505	cf::trace "resetting map ", $self->path, "\n";
2085		2506
2086	$self->in_memory (cf::MAP_SWAPPED);	2507	$self->state (cf::MAP_SWAPPED);
2087		2508
2088	# need to save uniques path	2509	# need to save uniques path
2089	unless ($self->{deny_save}) {	2510	unless ($self->{deny_save}) {
2090	my $uniq = $self->uniq_path; utf8::encode $uniq;	2511	my $uniq = $self->uniq_path; utf8::encode $uniq;
2091		2512
…		…
2093	if $uniq;	2514	if $uniq;
2094	}	2515	}
2095		2516
2096	delete $cf::MAP{$self->path};	2517	delete $cf::MAP{$self->path};
2097		2518
		2519	$self->deactivate;
		2520	$_->clear_links_to ($self) for values %cf::MAP;
2098	$self->clear;	2521	$self->clear;
2099
2100	$_->clear_links_to ($self) for values %cf::MAP;
2101		2522
2102	$self->unlink_save;	2523	$self->unlink_save;
2103	$self->destroy;	2524	$self->destroy;
2104	}	2525	}
2105		2526
2106	my $nuke_counter = "aaaa";	2527	my $nuke_counter = "aaaa";
2107		2528
2108	sub nuke {	2529	sub nuke {
2109	my ($self) = @_;	2530	my ($self) = @_;
2110		2531
		2532	{
		2533	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2534
2111	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
2112		2536
2113	$self->unlink_save;	2537	$self->unlink_save;
2114		2538
2115	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
2116	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
2117	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
2118	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
2119	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2120		2544
2121	$cf::MAP{$self->path} = $self;	2545	$cf::MAP{$self->path} = $self;
		2546	}
2122		2547
2123	$self->reset; # polite request, might not happen	2548	$self->reset; # polite request, might not happen
2124	}	2549	}
2125		2550
2126	=item $maps = cf::map::tmp_maps	2551	=item $maps = cf::map::tmp_maps
…		…
2168		2593
2169	sub unique_maps() {	2594	sub unique_maps() {
2170	[	2595	[
2171	map {	2596	map {
2172	utf8::decode $_;	2597	utf8::decode $_;
2173	/\.map$/	2598	s/\.map$//; # TODO future compatibility hack
		2599	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2600	? ()
2174	? normalise $_	2601	: normalise $_
2175	: ()
2176	} @{ aio_readdir $UNIQUEDIR or [] }	2602	} @{ aio_readdir $UNIQUEDIR or [] }
2177	]	2603	]
2178	}	2604	}
2179		2605
2180	package cf;	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	}
2181		2637
2182	=back	2638	=back
2183		2639
2184	=head3 cf::object	2640	=head3 cf::object
2185		2641
…		…
2189		2645
2190	=over 4	2646	=over 4
2191		2647
2192	=item $ob->inv_recursive	2648	=item $ob->inv_recursive
2193		2649
2194	Returns the inventory of the object _and_ their inventories, recursively.	2650	Returns the inventory of the object I<and> their inventories, recursively,
		2651	but I<not> the object itself.
2195		2652
2196	=cut	2653	=cut
2197		2654
2198	sub inv_recursive_;	2655	sub inv_recursive_;
2199	sub inv_recursive_ {	2656	sub inv_recursive_ {
…		…
2202		2659
2203	sub inv_recursive {	2660	sub inv_recursive {
2204	inv_recursive_ inv $_[0]	2661	inv_recursive_ inv $_[0]
2205	}	2662	}
2206		2663
		2664	=item $ref = $ob->ref
		2665
		2666	Creates and returns a persistent reference to an object that can be stored as a string.
		2667
		2668	=item $ob = cf::object::deref ($refstring)
		2669
		2670	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2671	even if the object actually exists. May block.
		2672
		2673	=cut
		2674
		2675	sub deref {
		2676	my ($ref) = @_;
		2677
		2678	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2679	my ($uuid, $name) = ($1, $2);
		2680	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2681	or return;
		2682	$pl->ob->uuid eq $uuid
		2683	or return;
		2684
		2685	$pl->ob
		2686	} else {
		2687	warn "$ref: cannot resolve object reference\n";
		2688	undef
		2689	}
		2690	}
		2691
2207	package cf;	2692	package cf;
2208		2693
2209	=back	2694	=back
2210		2695
2211	=head3 cf::object::player	2696	=head3 cf::object::player
…		…
2217	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2702	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2218	can be C<undef>. Does the right thing when the player is currently in a	2703	can be C<undef>. Does the right thing when the player is currently in a
2219	dialogue with the given NPC character.	2704	dialogue with the given NPC character.
2220		2705
2221	=cut	2706	=cut
		2707
		2708	our $SAY_CHANNEL = {
		2709	id => "say",
		2710	title => "Map",
		2711	reply => "say ",
		2712	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2713	};
		2714
		2715	our $CHAT_CHANNEL = {
		2716	id => "chat",
		2717	title => "Chat",
		2718	reply => "chat ",
		2719	tooltip => "Player chat and shouts, global to the server.",
		2720	};
2222		2721
2223	# rough implementation of a future "reply" method that works	2722	# rough implementation of a future "reply" method that works
2224	# with dialog boxes.	2723	# with dialog boxes.
2225	#TODO: the first argument must go, split into a $npc->reply_to ( method	2724	#TODO: the first argument must go, split into a $npc->reply_to ( method
2226	sub cf::object::player::reply($$$;$) {	2725	sub cf::object::player::reply($$$;$) {
…		…
2238	my $dialog = $pl->{npc_dialog};	2737	my $dialog = $pl->{npc_dialog};
2239	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2738	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2240		2739
2241	} else {	2740	} else {
2242	$msg = $npc->name . " says: $msg" if $npc;	2741	$msg = $npc->name . " says: $msg" if $npc;
2243	$self->message ($msg, $flags);	2742	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2244	}	2743	}
2245	}	2744	}
		2745	}
		2746
		2747	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2748
		2749	=cut
		2750
		2751	sub cf::object::send_msg {
		2752	my $pl = shift->contr
		2753	or return;
		2754	$pl->send_msg (@_);
2246	}	2755	}
2247		2756
2248	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
2249		2758
2250	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
2251	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
2252		2761
		2762	This is implemented by checking a config setting of C<may_access> where
		2763	C<access> is replaced by the access string. The following alternatives are
		2764	possible (and are tested in order):
		2765
		2766	=over 4
		2767
		2768	=item * Player is DM
		2769
		2770	The request will succeed.
		2771
		2772	=item * may_access is an array reference
		2773
		2774	If either the player nickname or UUID is in the array, the request will
		2775	succeed, otherwise it will fail.
		2776
		2777	=item * may_access is a true value
		2778
		2779	The request will succeed.
		2780
		2781	=item * may_access is missing or false
		2782
		2783	The request will fail.
		2784
		2785	=back
		2786
2253	=cut	2787	=cut
2254		2788
2255	sub cf::object::player::may {	2789	sub cf::object::player::may {
2256	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
2257		2791
2258	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
2259	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
2260	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2261	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
2262	}	2796	}
2263		2797
2264	=item $player_object->enter_link	2798	=item $player_object->enter_link
2265		2799
2266	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}>).
2267		2801
2268	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.
2269	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.
2270		2806
2271	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.
2272		2814
2273	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
2274		2816
2275	Moves the player out of the special C<{link}> map onto the specified	2817	Moves the player out of the special C<{link}> map onto the specified
2276	map. If the map is not valid (or omitted), the player will be moved back	2818	map. If the map is not valid (or omitted), the player will be moved back
…		…
2294	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
2295	my ($self) = @_;	2837	my ($self) = @_;
2296		2838
2297	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
2298		2840
		2841	++$self->{_link_recursion};
		2842
2299	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
2300		2844
2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2302	if $self->map && $self->map->{path} ne "{link}";	2846	if $self->map && $self->map->{path} ne "{link}";
2303		2847
2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2305	}	2849	}
2306		2850
2307	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
2308	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
2309		2853
…		…
2326	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
2327	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
2328		2872
2329	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
2330	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
2331	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
2332		2876
2333	$map->load;	2877	$map->load;
2334	$map->load_diag;
2335		2878
2336	return unless $self->contr->active;	2879	return unless $self->contr->active;
2337	$self->activate_recursive;
2338		2880
2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2340	$self->enter_map ($map, $x, $y);	2882	if ($self->enter_map ($map, $x, $y)) {
2341	}	2883	# entering was successful
		2884	delete $self->{_link_recursion};
		2885	# only activate afterwards, to support waiting in hooks
		2886	$self->activate_recursive;
		2887	}
2342		2888
		2889	}
		2890
2343	=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)]])
2344		2892
2345	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
2346	her, loading and preparing them map, calling the provided $check callback	2894	her, loading and preparing them map, calling the provided $check callback
2347	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
2348	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
2349	be called at the end of this process.	2897	be called at the end of this process.
2350		2898
		2899	Note that $check will be called with a potentially non-loaded map, so if
		2900	it needs a loaded map it has to call C<< ->load >>.
		2901
2351	=cut	2902	=cut
2352		2903
2353	our $GOTOGEN;	2904	our $GOTOGEN;
2354		2905
2355	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
2356	my ($self, $path, $x, $y, $check, $done) = @_;	2907	my ($self, $path, $x, $y, $check, $done) = @_;
2357		2908
		2909	if ($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	}
		2914
2358	# 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
2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2916	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2360		2917
2361	$self->enter_link;	2918	$self->enter_link;
2362		2919
2363	(async {	2920	(async {
		2921	$Coro::current->{desc} = "player::goto $path $x $y";
		2922
		2923	# *tag paths override both path and x|y
		2924	if ($path =~ /^\*(.*)$/) {
		2925	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2926	my $ob = $obs[rand @obs];
		2927
		2928	# see if we actually can go there
		2929	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2930	$ob = $obs[rand @obs];
		2931	} else {
		2932	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2933	}
		2934	# else put us there anyways for now #d#
		2935
		2936	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2937	} else {
		2938	($path, $x, $y) = (undef, undef, undef);
		2939	}
		2940	}
		2941
2364	my $map = eval {	2942	my $map = eval {
2365	my $map = cf::map::find $path;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2366		2944
2367	if ($map) {	2945	if ($map) {
2368	$map = $map->customise_for ($self);	2946	$map = $map->customise_for ($self);
2369	$map = $check->($map) if $check && $map;	2947	$map = $check->($map, $x, $y, $self) if $check && $map;
2370	} else {	2948	} else {
2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2949	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2372	}	2950	}
2373		2951
2374	$map	2952	$map
2375	};	2953	};
2376		2954
…		…
2382	if ($gen == $self->{_goto_generation}) {	2960	if ($gen == $self->{_goto_generation}) {
2383	delete $self->{_goto_generation};	2961	delete $self->{_goto_generation};
2384	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
2385	}	2963	}
2386		2964
2387	$done->() if $done;	2965	$done->($self) if $done;
2388	})->prio (1);	2966	})->prio (1);
2389	}	2967	}
2390		2968
2391	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
2392		2970
…		…
2412	}	2990	}
2413		2991
2414	sub prepare_random_map {	2992	sub prepare_random_map {
2415	my ($exit) = @_;	2993	my ($exit) = @_;
2416		2994
2417	my $guard = cf::lock_acquire "exit_prepare:$exit";
2418
2419	# all this does is basically replace the /! path by	2995	# all this does is basically replace the /! path by
2420	# a new random map path (?random/...) with a seed	2996	# a new random map path (?random/...) with a seed
2421	# that depends on the exit object	2997	# that depends on the exit object
2422		2998
2423	my $rmp = parse_random_map_params $exit->msg;	2999	my $rmp = parse_random_map_params $exit->msg;
…		…
2425	if ($exit->map) {	3001	if ($exit->map) {
2426	$rmp->{region} = $exit->region->name;	3002	$rmp->{region} = $exit->region->name;
2427	$rmp->{origin_map} = $exit->map->path;	3003	$rmp->{origin_map} = $exit->map->path;
2428	$rmp->{origin_x} = $exit->x;	3004	$rmp->{origin_x} = $exit->x;
2429	$rmp->{origin_y} = $exit->y;	3005	$rmp->{origin_y} = $exit->y;
		3006
		3007	$exit->map->touch;
2430	}	3008	}
2431		3009
2432	$rmp->{random_seed} ||= $exit->random_seed;	3010	$rmp->{random_seed} ||= $exit->random_seed;
2433		3011
2434	my $data = cf::to_json $rmp;	3012	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2435	my $md5 = Digest::MD5::md5_hex $data;	3013	my $md5 = Digest::MD5::md5_hex $data;
2436	my $meta = "$RANDOMDIR/$md5.meta";	3014	my $meta = "$RANDOMDIR/$md5.meta";
2437		3015
2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3016	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2439	aio_write $fh, 0, (length $data), $data, 0;	3017	aio_write $fh, 0, (length $data), $data, 0;
2440	undef $fh;	3018	undef $fh;
2441	aio_rename "$meta~", $meta;	3019	aio_rename "$meta~", $meta;
2442		3020
		3021	my $slaying = "?random/$md5";
		3022
		3023	if ($exit->valid) {
2443	$exit->slaying ("?random/$md5");	3024	$exit->slaying ("?random/$md5");
2444	$exit->msg (undef);	3025	$exit->msg (undef);
		3026	}
2445	}	3027	}
2446	}	3028	}
2447		3029
2448	sub cf::object::player::enter_exit {	3030	sub cf::object::player::enter_exit {
2449	my ($self, $exit) = @_;	3031	my ($self, $exit) = @_;
2450		3032
2451	return unless $self->type == cf::PLAYER;	3033	return unless $self->type == cf::PLAYER;
2452		3034
2453	if ($exit->slaying eq "/!") {
2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
2455	# the problem is that $exit might not survive long enough
2456	# so it needs to be done right now, right here
2457	cf::sync_job { prepare_random_map $exit };
2458	}
2459
2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2461	my $hp = $exit->stats->hp;
2462	my $sp = $exit->stats->sp;
2463
2464	$self->enter_link;	3035	$self->enter_link;
2465		3036
2466	# if exit is damned, update players death & WoR home-position
2467	$self->contr->savebed ($slaying, $hp, $sp)
2468	if $exit->flag (FLAG_DAMNED);
2469
2470	(async {	3037	(async {
2471	$self->deactivate_recursive; # just to be sure	3038	$Coro::current->{desc} = "enter_exit";
		3039
2472	unless (eval {	3040	unless (eval {
		3041	$self->deactivate_recursive; # just to be sure
		3042
		3043	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3044	my $x = $exit->stats->hp;
		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	}
		3069
2473	$self->goto ($slaying, $hp, $sp);	3070	$self->goto ($map, $x, $y);
2474		3071
		3072	# if exit is damned, update players death & WoR home-position
		3073	$self->contr->savebed ($map, $x, $y)
		3074	if $exit->flag (cf::FLAG_DAMNED);
		3075
2475	1;	3076	1
2476	}) {	3077	}) {
2477	$self->message ("Something went wrong deep within the crossfire server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2478	. "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. "
2479	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2480	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2481		3082
2482	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2483	$self->leave_link;	3084	$self->leave_link;
2484	}	3085	}
2485	})->prio (1);	3086	})->prio (1);
2486	}	3087	}
2487		3088
2488	=head3 cf::client	3089	=head3 cf::client
2489		3090
2490	=over 4	3091	=over 4
2491		3092
2492	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2493		3094
2494	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2495	should not be used under normal circumstances.	3096	them as required.
2496		3097
2497	=cut	3098	=cut
2498		3099
		3100	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3101
2499	sub cf::client::send_drawinfo {	3102	sub cf::client::send_big_packet {
2500	my ($self, $text, $flags) = @_;	3103	my ($self, $pkt) = @_;
2501		3104
2502	utf8::encode $text;	3105	# try lzf for large packets
2503	$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);
2504	}	3116	}
2505		3117
2506	=item $client->send_msg ($channel, $msg, $color, [extra...])	3118	=item $client->send_msg ($channel, $msg, $color, [extra...])
2507		3119
2508	Send a drawinfo or msg packet to the client, formatting the msg for the	3120	Send a msg packet to the client, formatting the msg for the client if
2509	client if neccessary. C<$type> should be a string identifying the type of	3121	necessary. C<$type> should be a string identifying the type of the
2510	the message, with C<log> being the default. If C<$color> is negative, suppress	3122	message, with C<log> being the default. If C<$color> is negative, suppress
2511	the message unless the client supports the msg packet.	3123	the message unless the client supports the msg packet.
2512		3124
2513	=cut	3125	=cut
		3126
		3127	# non-persistent channels (usually the info channel)
		3128	our %CHANNEL = (
		3129	"c/motd" => {
		3130	id => "infobox",
		3131	title => "MOTD",
		3132	reply => undef,
		3133	tooltip => "The message of the day",
		3134	},
		3135	"c/identify" => {
		3136	id => "infobox",
		3137	title => "Identify",
		3138	reply => undef,
		3139	tooltip => "Items recently identified",
		3140	},
		3141	"c/examine" => {
		3142	id => "infobox",
		3143	title => "Examine",
		3144	reply => undef,
		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",
		3152	},
		3153	"c/book" => {
		3154	id => "infobox",
		3155	title => "Book",
		3156	reply => undef,
		3157	tooltip => "The contents of a note or book",
		3158	},
		3159	"c/lookat" => {
		3160	id => "infobox",
		3161	title => "Look",
		3162	reply => undef,
		3163	tooltip => "What you saw there",
		3164	},
		3165	"c/who" => {
		3166	id => "infobox",
		3167	title => "Players",
		3168	reply => undef,
		3169	tooltip => "Shows players who are currently online",
		3170	},
		3171	"c/body" => {
		3172	id => "infobox",
		3173	title => "Body Parts",
		3174	reply => undef,
		3175	tooltip => "Shows which body parts you posess and are available",
		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	},
		3213	"c/uptime" => {
		3214	id => "infobox",
		3215	title => "Uptime",
		3216	reply => undef,
		3217	tooltip => "How long the server has been running since last restart",
		3218	},
		3219	"c/mapinfo" => {
		3220	id => "infobox",
		3221	title => "Map Info",
		3222	reply => undef,
		3223	tooltip => "Information related to the maps",
		3224	},
		3225	"c/party" => {
		3226	id => "party",
		3227	title => "Party",
		3228	reply => "gsay ",
		3229	tooltip => "Messages and chat related to your party",
		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" => $CHAT_CHANNEL,
		3245	);
2514		3246
2515	sub cf::client::send_msg {	3247	sub cf::client::send_msg {
2516	my ($self, $channel, $msg, $color, @extra) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2517		3249
2518	$msg = $self->pl->expand_cfpod ($msg);	3250	$msg = $self->pl->expand_cfpod ($msg)
		3251	unless $color & cf::NDI_VERBATIM;
2519		3252
2520	$color &= cf::NDI_CLIENT_MASK; # just in case...	3253	$color &= cf::NDI_CLIENT_MASK; # just in case...
2521		3254
		3255	# check predefined channels, for the benefit of C
		3256	if ($CHANNEL{$channel}) {
		3257	$channel = $CHANNEL{$channel};
		3258
		3259	$self->ext_msg (channel_info => $channel);
		3260	$channel = $channel->{id};
		3261
2522	if (ref $channel) {	3262	} elsif (ref $channel) {
2523	# send meta info to client, if not yet sent	3263	# send meta info to client, if not yet sent
2524	unless (exists $self->{channel}{$channel->{id}}) {	3264	unless (exists $self->{channel}{$channel->{id}}) {
2525	$self->{channel}{$channel->{id}} = $channel;	3265	$self->{channel}{$channel->{id}} = $channel;
2526	$self->ext_msg (channel_info => $channel);	3266	$self->ext_msg (channel_info => $channel);
2527	}	3267	}
…		…
2529	$channel = $channel->{id};	3269	$channel = $channel->{id};
2530	}	3270	}
2531		3271
2532	return unless @extra || length $msg;	3272	return unless @extra || length $msg;
2533		3273
2534	if ($self->can_msg) {
2535	# default colour, mask it out	3274	# default colour, mask it out
2536	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3275	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2537	if $color & cf::NDI_DEF;	3276	if $color & cf::NDI_DEF;
2538		3277
2539	$self->send_packet ("msg " . $self->{json_coder}->encode (	3278	my $pkt = "msg "
		3279	. $self->{json_coder}->encode (
2540	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3280	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2541	} else {	3281	);
2542	if ($color >= 0) {
2543	# replace some tags by gcfclient-compatible ones
2544	for ($msg) {
2545	1 while
2546	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2547	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2548	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2549	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2550	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2551	}
2552		3282
2553	$color &= cf::NDI_COLOR_MASK;	3283	$self->send_big_packet ($pkt);
2554
2555	utf8::encode $msg;
2556
2557	if (0 && $msg =~ /\[/) {
2558	$self->send_packet ("drawextinfo $color 4 0 $msg")
2559	} else {
2560	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2561	$self->send_packet ("drawinfo $color $msg")
2562	}
2563	}
2564	}
2565	}	3284	}
2566		3285
2567	=item $client->ext_msg ($type, @msg)	3286	=item $client->ext_msg ($type, @msg)
2568		3287
2569	Sends an ext event to the client.	3288	Sends an ext event to the client.
…		…
2571	=cut	3290	=cut
2572		3291
2573	sub cf::client::ext_msg($$@) {	3292	sub cf::client::ext_msg($$@) {
2574	my ($self, $type, @msg) = @_;	3293	my ($self, $type, @msg) = @_;
2575		3294
2576	my $extcmd = $self->extcmd;
2577
2578	if ($extcmd == 2) {
2579	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2580	} elsif ($extcmd == 1) { # TODO: remove
2581	push @msg, msgtype => "event_$type";
2582	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2583	}
2584	}	3296	}
2585		3297
2586	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2587		3299
2588	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
…		…
2608		3320
2609	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2610	if @{ $self->{query_queue} } == 1;	3322	if @{ $self->{query_queue} } == 1;
2611		3323
2612	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} = $idx;
2613	}	3364	}
2614		3365
2615	cf::client->attach (	3366	cf::client->attach (
2616	on_connect => sub {	3367	on_connect => sub {
2617	my ($ns) = @_;	3368	my ($ns) = @_;
…		…
2643	my ($ns, $buf) = @_;	3394	my ($ns, $buf) = @_;
2644		3395
2645	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3396	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2646		3397
2647	if (ref $msg) {	3398	if (ref $msg) {
2648	my ($type, $reply, @payload) =	3399	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2649	"ARRAY" eq ref $msg
2650	? @$msg
2651	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2652		3400
2653	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}) {
2654	my @reply = $cb->($ns, @payload);	3414	@reply = $cb->($ns, @payload);
		3415	}
2655		3416
2656	$ns->ext_reply ($reply, @reply)	3417	$ns->ext_msg ("reply-$reply", @reply)
2657	if $reply;	3418	if $reply;
2658	}	3419	}
2659	} else {	3420	} else {
2660	warn "client " . ($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";
2661	}	3422	}
2662		3423
2663	cf::override;	3424	cf::override;
2664	},	3425	},
2665	);	3426	);
…		…
2685		3446
2686	$coro	3447	$coro
2687	}	3448	}
2688		3449
2689	cf::client->attach (	3450	cf::client->attach (
2690	on_destroy => sub {	3451	on_client_destroy => sub {
2691	my ($ns) = @_;	3452	my ($ns) = @_;
2692		3453
2693	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2694	},	3455	},
2695	);	3456	);
…		…
2711	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
2712		3473
2713	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
2714		3475
2715	$safe->permit_only (Opcode::opset qw(	3476	$safe->permit_only (Opcode::opset qw(
2716	:base_core :base_mem :base_orig :base_math	3477	:base_core :base_mem :base_orig :base_math :base_loop
2717	grepstart grepwhile mapstart mapwhile	3478	grepstart grepwhile mapstart mapwhile
2718	sort time	3479	sort time
2719	));	3480	));
2720		3481
2721	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
…		…
2723	=pod	3484	=pod
2724		3485
2725	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
2726		3487
2727	cf::object	3488	cf::object
2728	contr pay_amount pay_player map x y force_find force_add	3489	contr pay_amount pay_player map x y force_find force_add destroy
2729	insert remove	3490	insert remove name archname title slaying race decrease split
		3491	value
2730		3492
2731	cf::object::player	3493	cf::object::player
2732	player	3494	player
2733		3495
2734	cf::player	3496	cf::player
…		…
2739		3501
2740	=cut	3502	=cut
2741		3503
2742	for (	3504	for (
2743	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3505	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2744	insert remove inv)],	3506	insert remove inv nrof name archname title slaying race
		3507	decrease split destroy change_exp value msg lore send_msg)],
2745	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
2746	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
2747	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
2748	) {	3511	) {
2749	no strict 'refs';
2750	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
2751	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2752	for @funs;	3514	for @funs;
2753	}	3515	}
2754		3516
…		…
2769		3531
2770	my $qcode = $code;	3532	my $qcode = $code;
2771	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2772	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
2773		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
2774	local $_;	3539	local $_;
2775	local @safe::cf::_safe_eval_args = values %vars;
2776		3540
2777	my $eval =	3541	my $eval =
2778	"do {\n"	3542	"do {\n"
2779	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2780	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
2781	. $code	3545	. $code
2782	. "\n}"	3546	. "\n}"
2783	;	3547	;
2784		3548
		3549	if ($CFG{safe_eval}) {
2785	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
2786	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2787	sub_generation_inc;	3553	sub_generation_inc;
		3554	} else {
		3555	local @cf::_safe_eval_args = values %vars;
		3556	@res = wantarray ? eval eval : scalar eval $eval;
		3557	}
2788		3558
2789	if ($@) {	3559	if ($@) {
2790	warn "$@";	3560	warn "$@",
2791	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
2792	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
2793	}	3563	}
2794		3564
2795	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
2796	}	3566	}
2797		3567
…		…
2811	=cut	3581	=cut
2812		3582
2813	sub register_script_function {	3583	sub register_script_function {
2814	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
2815		3585
2816	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
2817	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
2818	}	3588	}
2819		3589
2820	=back	3590	=back
2821		3591
2822	=cut	3592	=cut
2823		3593
2824	#############################################################################	3594	#############################################################################
2825	# the server's init and main functions	3595	# the server's init and main functions
2826		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
2827	sub load_facedata($) {	3674	sub load_facedata($) {
2828	my ($path) = @_;	3675	my ($path) = @_;
2829		3676
		3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3678
2830	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
2831		3680
2832	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
2833	0 < aio_load $path, $facedata
2834	or die "$path: $!";
2835
2836	$facedata = Coro::Storable::thaw $facedata;
2837		3682
2838	$facedata->{version} == 2	3683	$facedata->{version} == 2
2839	or cf::cleanup "$path: version mismatch, cannot proceed.";	3684	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3685
		3686	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3687	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3688
		3689	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3690
		3691	# BEGIN ATOMIC
		3692	# from here on, everything must be atomic - no thread switch allowed
		3693	my $t1 = EV::time;
2840		3694
2841	{	3695	{
2842	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
2843		3697
2844	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
2845	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3701
2846	cf::face::set_visibility $idx, $info->{visibility};	3702	cf::face::set_visibility $idx, $info->{visibility};
2847	cf::face::set_magicmap $idx, $info->{magicmap};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
2848	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3704	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2849	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3705	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2850		3706	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2851	cf::cede_to_tick;	3707	$cf::face::HASH{$info->{hash64}} = $idx;
		3708	delete $cf::face::META[$idx];
2852	}	3709	}
2853		3710
2854	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
2855	next unless $info->{smooth};	3712	next unless $info->{smooth};
		3713
2856	my $idx = cf::face::find $face	3714	my $idx = cf::face::find $face
2857	or next;	3715	or next;
		3716
2858	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
2859	cf::face::set_smooth $idx, $smooth;	3718	cf::face::set_smooth $idx, $smooth;
2860	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2861	} else {	3720	} else {
2862	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
2863	}	3722	}
2864
2865	cf::cede_to_tick;
2866	}	3723	}
2867	}	3724	}
2868		3725
2869	{	3726	{
2870	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
2871		3728
2872	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
2873	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
2874	cf::cede_to_tick;
2875	}	3731	}
2876		3732
2877	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
2878	}	3734	}
2879		3735
2880	{	3736	{
2881	# TODO: for gcfclient pleasure, we should give resources
2882	# that gcfclient doesn't grok a >10000 face index.
2883	my $res = $facedata->{resource};	3737	my $res = $facedata->{resource};
2884	my $enc = JSON::XS->new->utf8->canonical;
2885
2886	my $soundconf = delete $res->{"res/sound.conf"};
2887		3738
2888	while (my ($name, $info) = each %$res) {	3739	while (my ($name, $info) = each %$res) {
2889	my $meta = $enc->encode ({	3740	if (defined (my $type = $info->{type})) {
2890	name => $name,	3741	# TODO: different hash - must free and use new index, or cache ixface data queue
2891	%{ $info->{meta} || {} },
2892	});
2893
2894	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3742	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2895		3743
2896	if ($info->{type} & 1) {
2897	# prepend meta info
2898
2899	my $data = pack "(w/a*)*", $meta, $info->{data};
2900	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2901
2902	cf::face::set_data $idx, 0, $data, $chk;	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;
2903	} else {	3750	} else {
2904	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};	3751	# $RESOURCE{$name} = $info; # unused
2905	}	3752	}
2906
2907	cf::face::set_type $idx, $info->{type};
2908
2909	cf::cede_to_tick;
2910	}
2911
2912	if ($soundconf) {
2913	$soundconf = $enc->decode (delete $soundconf->{data});
2914
2915	for (0 .. SOUND_CAST_SPELL_0 - 1) {
2916	my $sound = $soundconf->{compat}[$_]
2917	or next;
2918
2919	my $face = cf::face::find "sound/$sound->[1]";
2920	cf::sound::set $sound->[0] => $face;
2921	cf::sound::old_sound_index $_, $face; # gcfclient-compat
2922	}	3753	}
2923
2924	while (my ($k, $v) = each %{$soundconf->{event}}) {
2925	my $face = cf::face::find "sound/$v";
2926	cf::sound::set $k => $face;
2927	}
2928	}
2929	}	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;
		3765
		3766	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3767
		3768	aio_close $fh if $fh; # close old facedata
2930		3769
2931	1	3770	1
2932	}	3771	}
2933		3772
2934	register_exticmd fx_want => sub {	3773	register_exticmd fx_want => sub {
…		…
2937	while (my ($k, $v) = each %$want) {	3776	while (my ($k, $v) = each %$want) {
2938	$ns->fx_want ($k, $v);	3777	$ns->fx_want ($k, $v);
2939	}	3778	}
2940	};	3779	};
2941		3780
		3781	sub load_resource_file($) {
		3782	my $guard = lock_acquire "load_resource_file";
		3783
		3784	my $status = load_resource_file_ $_[0];
		3785	get_slot 0.1, 100;
		3786	cf::arch::commit_load;
		3787
		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;
		3803	}
		3804
2942	sub reload_regions {	3805	sub reload_regions {
		3806	# HACK to clear player env face cache, we need some signal framework
		3807	# for this (global event?)
		3808	%ext::player_env::MUSIC_FACE_CACHE = ();
		3809
2943	load_resource_file "$MAPDIR/regions"	3810	load_resource_file "$MAPDIR/regions"
2944	or die "unable to load regions file\n";	3811	or die "unable to load regions file\n";
2945		3812
2946	for (cf::region::list) {	3813	for (cf::region::list) {
2947	$_->{match} = qr/$_->{match}/	3814	$_->{match} = qr/$_->{match}/
2948	if exists $_->{match};	3815	if exists $_->{match};
2949	}	3816	}
2950	}	3817	}
2951		3818
2952	sub reload_facedata {	3819	sub reload_facedata {
2953	load_facedata "$DATADIR/facedata"	3820	load_facedata $DATADIR
2954	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
2955	}	3822	}
2956		3823
2957	sub reload_archetypes {	3824	sub reload_archetypes {
2958	load_resource_file "$DATADIR/archetypes"	3825	load_resource_file "$DATADIR/archetypes"
2959	or die "unable to load archetypes\n";	3826	or die "unable to load archetypes\n";
2960	#d# NEED to laod twice to resolve forward references	3827
2961	# this really needs to be done in an extra post-pass	3828	cf::face::set
2962	# (which needs to be synchronous, so solve it differently)	3829	"res/skill_info" => FT_RSRC,
2963	load_resource_file "$DATADIR/archetypes"	3830	JSON::XS->new->utf8->canonical->encode (
2964	or die "unable to load archetypes\n";	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;
2965	}	3853	}
2966		3854
2967	sub reload_treasures {	3855	sub reload_treasures {
2968	load_resource_file "$DATADIR/treasures"	3856	load_resource_file "$DATADIR/treasures"
2969	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
2970	}	3858	}
2971		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
2972	sub reload_resources {	3880	sub reload_resources {
2973	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
2974		3882
		3883	reload_materials;
		3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
		3887	reload_archetypes;
2975	reload_regions;	3888	reload_regions;
2976	reload_facedata;
2977	#reload_archetypes;#d#
2978	reload_archetypes;
2979	reload_treasures;	3889	reload_treasures;
2980		3890
2981	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
2982	}	3892	}
2983		3893
2984	sub init {	3894	sub reload_config {
2985	reload_resources;	3895	trace "reloading config file...\n";
2986	}
2987		3896
2988	sub cfg_load {	3897	my $config = load_file "$CONFDIR/config";
2989	open my $fh, "<:utf8", "$CONFDIR/config"	3898	utf8::decode $config;
2990	or return;	3899	*CFG = decode_yaml $config;
2991		3900
2992	local $/;
2993	*CFG = YAML::Syck::Load <$fh>;
2994
2995	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2996		3902
2997	$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};
2998	$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};
2999		3905
3000	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
3004	};	3910	};
3005	warn $@ if $@;	3911	warn $@ if $@;
3006	}	3912	}
3007	}	3913	}
3008		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
3009	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
3010	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
3011	local $Coro::idle = sub {	3954	$Coro::idle = sub {
3012	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#
3013	(async {	3956	(async {
3014	Event::one_event;	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3958	EV::run EV::RUN_ONCE;
3015	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
3016	};	3960	};
3017		3961
3018	cfg_load;	3962	evthread_start IO::AIO::poll_fileno;
		3963
		3964	cf::sync_job {
		3965	cf::incloader::init ();
		3966
3019	db_init;	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;
		3976	reload_config;
		3977
		3978	cf::init_uuid;
		3979	cf::init_signals;
		3980	cf::init_skills;
		3981
		3982	cf::init_beforeplay;
		3983
		3984	atomic;
		3985
3020	load_extensions;	3986	load_extensions;
3021		3987
3022	$TICK_WATCHER->start;	3988	utime time, time, $RUNTIMEFILE;
3023	Event::loop;	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;
		3995	};
		3996
		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;
3024	}	4005	}
3025		4006
3026	#############################################################################	4007	#############################################################################
3027	# initialisation and cleanup	4008	# initialisation and cleanup
3028		4009
3029	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
3030	BEGIN {	4011	BEGIN {
		4012	our %SIGWATCHER = ();
3031	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
3032	Event->signal (	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3033	reentrant => 0,
3034	data => WF_AUTOCANCEL,
3035	signal => $signal,
3036	prio => 0,
3037	cb => sub {
3038	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
3039	},
3040	);	4016	};
3041	}	4017	}
3042	}	4018	}
3043		4019
3044	sub write_runtime {	4020	sub write_runtime_sync {
3045	my $runtime = "$LOCALDIR/runtime";	4021	my $t0 = AE::time;
3046		4022
3047	# first touch the runtime file to show we are still running:	4023	# first touch the runtime file to show we are still running:
3048	# the fsync below can take a very very long time.	4024	# the fsync below can take a very very long time.
3049		4025
3050	IO::AIO::aio_utime $runtime, undef, undef;	4026	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3051		4027
3052	my $guard = cf::lock_acquire "write_runtime";	4028	my $guard = cf::lock_acquire "write_runtime";
3053		4029
3054	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4030	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3055	or return;	4031	or return;
3056		4032
3057	my $value = $cf::RUNTIME + 90 + 10;	4033	my $value = $cf::RUNTIME + 90 + 10;
3058	# 10 is the runtime save interval, for a monotonic clock	4034	# 10 is the runtime save interval, for a monotonic clock
3059	# 60 allows for the watchdog to kill the server.	4035	# 60 allows for the watchdog to kill the server.
…		…
3069	aio_utime $fh, undef, undef;	4045	aio_utime $fh, undef, undef;
3070		4046
3071	close $fh	4047	close $fh
3072	or return;	4048	or return;
3073		4049
3074	aio_rename "$runtime~", $runtime	4050	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3075	and return;	4051	and return;
3076		4052
3077	warn "runtime file written.\n";	4053	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3078		4054
3079	1	4055	1
		4056	}
		4057
		4058	our $uuid_lock;
		4059	our $uuid_skip;
		4060
		4061	sub write_uuid_sync($) {
		4062	$uuid_skip ||= $_[0];
		4063
		4064	return if $uuid_lock;
		4065	local $uuid_lock = 1;
		4066
		4067	my $uuid = "$LOCALDIR/uuid";
		4068
		4069	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4070	or return;
		4071
		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;
		4080	$uuid_skip = 0;
		4081
		4082	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4083	and return;
		4084
		4085	# always fsync - this file is important
		4086	aio_fsync $fh
		4087	and return;
		4088
		4089	close $fh
		4090	or return;
		4091
		4092	aio_rename "$uuid~", $uuid
		4093	and return;
		4094
		4095	trace "uuid file written ($value).\n";
		4096
		4097	1
		4098
		4099	}
		4100
		4101	sub write_uuid($$) {
		4102	my ($skip, $sync) = @_;
		4103
		4104	$sync ? write_uuid_sync $skip
		4105	: async { write_uuid_sync $skip };
3080	}	4106	}
3081		4107
3082	sub emergency_save() {	4108	sub emergency_save() {
3083	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
3084		4110
3085	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;
3086		4117
3087	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
3088	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
3089	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
3090	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
3091	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
3092	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
3093	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
3094	$pl->valid or next;	4127	$pl->valid or next;
		4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3095	$pl->save;	4129	$pl->save;
3096	}	4130	}
3097	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
3098		4132
3099	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";
3100	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
3101	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
3102	$map->valid or next;	4138	$map->valid or next;
3103	$map->save;	4139	$map->save;
3104	}	4140	}
3105	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
3106		4142
3107	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";
3108	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
3109	warn "end emergency database checkpoint\n";	4147	info "emergency_perl_save: end database checkpoint\n";
		4148
		4149	info "emergency_perl_save: begin write uuid\n";
		4150	write_uuid_sync 1;
		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
3110	};	4171	};
3111		4172
3112	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
3113	}	4174	}
3114		4175
3115	sub post_cleanup {	4176	sub post_cleanup {
3116	my ($make_core) = @_;	4177	my ($make_core) = @_;
3117		4178
		4179	IO::AIO::flush;
		4180
3118	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
3119	if $make_core;	4182	if $make_core;
		4183
		4184	my $fh = pidfile;
		4185	unlink $PIDFILE if <$fh> == $$;
		4186	}
		4187
		4188	# a safer delete_package, copied from Symbol
		4189	sub clear_package($) {
		4190	my $pkg = shift;
		4191
		4192	# expand to full symbol table name if needed
		4193	unless ($pkg =~ /^main::.*::$/) {
		4194	$pkg = "main$pkg" if $pkg =~ /^::/;
		4195	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4196	$pkg .= '::' unless $pkg =~ /::$/;
		4197	}
		4198
		4199	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4200	my $stem_symtab = *{$stem}{HASH};
		4201
		4202	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4203	or return;
		4204
		4205	# clear all symbols
		4206	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4207	for my $name (keys %$leaf_symtab) {
		4208	_gv_clear *{"$pkg$name"};
		4209	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4210	}
3120	}	4211	}
3121		4212
3122	sub do_reload_perl() {	4213	sub do_reload_perl() {
3123	# can/must only be called in main	4214	# can/must only be called in main
3124	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
3125	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
3126	return;	4217	return;
3127	}	4218	}
3128		4219
3129	warn "reloading...";	4220	return if $RELOAD++;
3130		4221
3131	warn "entering sync_job";	4222	my $t1 = AE::time;
3132		4223
		4224	while ($RELOAD) {
		4225	cf::get_slot 0.1, -1, "reload_perl";
		4226	info "perl_reload: reloading...";
		4227
		4228	trace "perl_reload: entering sync_job";
		4229
3133	cf::sync_job {	4230	cf::sync_job {
3134	cf::write_runtime; # external watchdog should not bark
3135	cf::emergency_save;	4231	#cf::emergency_save;
3136	cf::write_runtime; # external watchdog should not bark
3137		4232
3138	warn "syncing database to disk";
3139	BDB::db_env_txn_checkpoint $DB_ENV;
3140
3141	# if anything goes wrong in here, we should simply crash as we already saved
3142
3143	warn "cancelling all WF_AUTOCANCEL watchers";
3144	for (Event::all_watchers) {
3145	$_->cancel if $_->data & WF_AUTOCANCEL;
3146	}
3147
3148	warn "flushing outstanding aio requests";
3149	for (;;) {
3150	BDB::flush;
3151	IO::AIO::flush;
3152	Coro::cede;
3153	last unless IO::AIO::nreqs || BDB::nreqs;
3154	warn "iterate...";
3155	}
3156
3157	++$RELOAD;
3158
3159	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
3160	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
3161	%EXT_CORO = ();	4235	%EXT_CORO = ();
3162		4236
3163	warn "removing commands";	4237	trace "perl_reload: removing commands";
3164	%COMMAND = ();	4238	%COMMAND = ();
3165		4239
3166	warn "removing ext/exti commands";	4240	trace "perl_reload: removing ext/exti commands";
3167	%EXTCMD = ();	4241	%EXTCMD = ();
3168	%EXTICMD = ();	4242	%EXTICMD = ();
3169		4243
3170	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
3171	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
3172	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
3173		4247
3174	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
3175	eval {	4249	eval {
3176	$cb->($pkg);	4250	$cb->($pkg);
3177	1	4251	1
3178	} or warn "$pkg unloaded, but with errors: $@";	4252	} or error "$pkg unloaded, but with errors: $@";
		4253	}
		4254
		4255	trace "... clearing $pkg";
		4256	clear_package $pkg;
3179	}	4257	}
3180		4258
3181	warn "... nuking $pkg";
3182	Symbol::delete_package $pkg;
3183	}
3184
3185	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3186	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
3187	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3188		4262
3189	warn "... unloading $k";	4263	trace "... unloading $k";
3190	delete $INC{$k};	4264	delete $INC{$k};
3191		4265
3192	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
3193	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
3194		4268
3195	if (my $cb = $k->can ("unload_module")) {	4269	if (my $cb = $k->can ("unload_module")) {
3196	$cb->();	4270	$cb->();
		4271	}
		4272
		4273	clear_package $k;
3197	}	4274	}
3198		4275
3199	Symbol::delete_package $k;
3200	}
3201
3202	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
3203	Symbol::delete_package "safe::$_"	4277	clear_package "safe::$_"
3204	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);
3205		4279
3206	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
3207	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
3208	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3209		4283
3210	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
3211	# and global variables created in xs	4285	# and global variables created in xs
3212	#Symbol::delete_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
3213		4287
3214	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
3215		4289
3216	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
3217	require cf;	4291	require cf;
3218	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
3219		4293
3220	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
3221	cf::cfg_load;	4295	cf::reload_config;
3222		4296
3223	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
3224	cf::load_extensions;	4298	cf::load_extensions;
3225		4299
		4300	if ($REATTACH_ON_RELOAD) {
3226	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
3227	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
3228	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
3229	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
3230	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
3231	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
		4307	}
3232		4308
3233	warn "leaving sync_job";	4309	cf::_post_init 1;
3234		4310
		4311	trace "perl_reload: leaving sync_job";
		4312
3235	1	4313	1
3236	} or do {	4314	} or do {
3237	warn $@;	4315	error $@;
3238	warn "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
3239	exit 1;	4317	};
		4318
		4319	--$RELOAD;
3240	};	4320	}
3241		4321
3242	warn "reloaded";	4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
3243	};	4324	};
3244		4325
3245	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
3246		4327
3247	sub reload_perl() {	4328	sub reload_perl() {
3248	# doing reload synchronously and two reloads happen back-to-back,	4329	# doing reload synchronously and two reloads happen back-to-back,
3249	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
3250		4331
3251	$RELOAD_WATCHER ||= Event->timer (	4332	$RELOAD_WATCHER ||= cf::async {
3252	reentrant => 0,	4333	Coro::AIO::aio_wait cache_extensions;
3253	after => 0,	4334
3254	data => WF_AUTOCANCEL,	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3255	cb => sub {
3256	do_reload_perl;	4336	do_reload_perl;
3257	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
3258	},	4338	};
3259	);	4339	};
3260	}	4340	}
3261		4341
3262	register_command "reload" => sub {	4342	register_command "reload" => sub {
3263	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
3264		4344
3265	if ($who->flag (FLAG_WIZ)) {	4345	if ($who->flag (FLAG_WIZ)) {
3266	$who->message ("reloading server.");	4346	$who->message ("reloading server.");
		4347	async {
		4348	$Coro::current->{desc} = "perl_reload";
3267	async { reload_perl };	4349	reload_perl;
		4350	};
3268	}	4351	}
3269	};	4352	};
3270		4353
3271	unshift @INC, $LIBDIR;	4354	#############################################################################
3272		4355
3273	my $bug_warning = 0;	4356	my $bug_warning = 0;
3274		4357
3275	our @WAIT_FOR_TICK;
3276	our @WAIT_FOR_TICK_BEGIN;
3277
3278	sub wait_for_tick {	4358	sub wait_for_tick() {
3279	return unless $TICK_WATCHER->is_active;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3280	return if $Coro::current == $Coro::main;
3281		4360
3282	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
3283	push @WAIT_FOR_TICK, $signal;
3284	$signal->wait;
3285	}	4362	}
3286		4363
3287	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
3288	return unless $TICK_WATCHER->is_active;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3289	return if $Coro::current == $Coro::main;
3290		4366
3291	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
3292	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
3293	$signal->wait;	4369	$signal->wait;
3294	}	4370	}
3295		4371
3296	my $min = 1e6;#d#	4372	sub tick {
3297	my $avg = 10;
3298	$TICK_WATCHER = Event->timer (
3299	reentrant => 0,
3300	parked => 1,
3301	prio => 0,
3302	at => $NEXT_TICK || $TICK,
3303	data => WF_AUTOCANCEL,
3304	cb => sub {
3305	if ($Coro::current != $Coro::main) {	4373	if ($Coro::current != $Coro::main) {
3306	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4374	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3307	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
3308	return;	4376	return;
3309	}	4377	}
3310		4378
3311	$NOW = $tick_start = Event::time;	4379	cf::one_tick; # one server iteration
3312		4380
3313	cf::server_tick; # one server iteration	4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3314		4382
3315	0 && sync_job {#d#	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3316	for(1..10) {	4384	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3317	my $t = Event::time;	4385	Coro::async_pool {
3318	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4386	$Coro::current->{desc} = "runtime saver";
3319	or die;	4387	write_runtime_sync
3320		4388	or error "ERROR: unable to write runtime file: $!";
3321	$map->width (50);
3322	$map->height (50);
3323	$map->alloc;
3324	$map->_load_objects ("/tmp/x.map", 1);
3325	my $t = Event::time - $t;
3326
3327	#next unless $t < 0.0013;#d#
3328	if ($t < $min) {
3329	$min = $t;
3330	}
3331	$avg = $avg * 0.99 + $t * 0.01;
3332	}
3333	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3334	exit 0;
3335	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3336	};	4389	};
		4390	}
3337		4391
3338	$RUNTIME += $TICK;
3339	$NEXT_TICK += $TICK;
3340
3341	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3342	$NEXT_RUNTIME_WRITE = $NOW + 10;
3343	Coro::async_pool {
3344	write_runtime
3345	or warn "ERROR: unable to write runtime file: $!";
3346	};
3347	}
3348
3349	# my $AFTER = Event::time;
3350	# warn $AFTER - $NOW;#d#
3351
3352	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3353	$sig->send;	4393	$sig->send;
3354	}	4394	}
3355	while (my $sig = shift @WAIT_FOR_TICK) {	4395	$WAIT_FOR_TICK->broadcast;
3356	$sig->send;
3357	}
3358		4396
3359	$NOW = Event::time;	4397	$LOAD = ($NOW - $TICK_START) / $TICK;
3360
3361	# if we are delayed by four ticks or more, skip them all
3362	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3363
3364	$TICK_WATCHER->at ($NEXT_TICK);
3365	$TICK_WATCHER->start;
3366
3367	$LOAD = ($NOW - $tick_start) / $TICK;
3368	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3369		4399
3370	_post_tick;	4400	if (0) {
3371		4401	if ($NEXT_TICK) {
3372		4402	my $jitter = $TICK_START - $NEXT_TICK;
		4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4404	debug "jitter $JITTER\n";#d#
		4405	}
3373	},	4406	}
3374	);	4407	}
3375		4408
3376	{	4409	{
3377	BDB::max_poll_time $TICK * 0.1;	4410	# configure BDB
3378	$BDB_POLL_WATCHER = Event->io (	4411	info "initialising database";
3379	reentrant => 0,	4412
3380	fd => BDB::poll_fileno,
3381	poll => 'r',
3382	prio => 0,
3383	data => WF_AUTOCANCEL,
3384	cb => \&BDB::poll_cb,
3385	);
3386	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
3387		4414	BDB::max_poll_reqs $TICK * 0.1;
3388	BDB::set_sync_prepare {	4415	#$AnyEvent::BDB::WATCHER->priority (1);
3389	my $status;
3390	my $current = $Coro::current;
3391	(
3392	sub {
3393	$status = $!;
3394	$current->ready; undef $current;
3395	},
3396	sub {
3397	Coro::schedule while defined $current;
3398	$! = $status;
3399	},
3400	)
3401	};
3402		4416
3403	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
3404	$DB_ENV = BDB::db_env_create;	4418	$DB_ENV = BDB::db_env_create;
		4419	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4420	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4421	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4422	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4423	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3405		4424
3406	cf::sync_job {	4425	cf::sync_job {
3407	eval {	4426	eval {
3408	BDB::db_env_open	4427	BDB::db_env_open
3409	$DB_ENV,	4428	$DB_ENV,
…		…
3411	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4430	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3412	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4431	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3413	0666;	4432	0666;
3414		4433
3415	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4434	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3416
3417	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3418	$DB_ENV->set_lk_detect;
3419	};	4435	};
3420		4436
3421	cf::cleanup "db_env_open(db): $@" if $@;	4437	cf::cleanup "db_env_open(db): $@" if $@;
3422	};	4438	};
3423	}	4439	}
		4440
		4441	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4442	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4443	};
		4444	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4445	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4446	};
		4447	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4448	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4449	};
		4450
		4451	info "database initialised";
3424	}	4452	}
3425		4453
3426	{	4454	{
		4455	# configure IO::AIO
		4456
		4457	info "initialising aio";
3427	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
3428
3429	undef $Coro::AIO::WATCHER;
3430	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
3431	$AIO_POLL_WATCHER = Event->io (	4460	undef $AnyEvent::AIO::WATCHER;
3432	reentrant => 0,	4461	info "aio initialised";
3433	data => WF_AUTOCANCEL,
3434	fd => IO::AIO::poll_fileno,
3435	poll => 'r',
3436	prio => 6,
3437	cb => \&IO::AIO::poll_cb,
3438	);
3439	}	4462	}
3440		4463
3441	my $_log_backtrace;	4464	our $_log_backtrace;
		4465	our $_log_backtrace_last;
3442		4466
3443	sub _log_backtrace {	4467	sub _log_backtrace {
3444	my ($msg, @addr) = @_;	4468	my ($msg, @addr) = @_;
3445		4469
3446	$msg =~ s/\n//;	4470	$msg =~ s/\n$//;
3447		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3448	# limit the # of concurrent backtraces	4475	# limit the # of concurrent backtraces
3449	if ($_log_backtrace < 2) {	4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
3450	++$_log_backtrace;	4478	++$_log_backtrace;
		4479	my $perl_bt = Carp::longmess $msg;
3451	async {	4480	async {
		4481	$Coro::current->{desc} = "abt $msg";
		4482
3452	my @bt = fork_call {	4483	my @bt = fork_call {
3453	@addr = map { sprintf "%x", $_ } @addr;	4484	@addr = map { sprintf "%x", $_ } @addr;
3454	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4485	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3455	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4486	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3456	or die "addr2line: $!";	4487	or die "addr2line: $!";
…		…
3464	}	4495	}
3465		4496
3466	@funcs	4497	@funcs
3467	};	4498	};
3468		4499
3469	LOG llevInfo, "[ABT] $msg\n";	4500	LOG llevInfo, "[ABT] $perl_bt\n";
		4501	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3470	LOG llevInfo, "[ABT] $_\n" for @bt;	4502	LOG llevInfo, "[ABT] $_\n" for @bt;
3471	--$_log_backtrace;	4503	--$_log_backtrace;
3472	};	4504	};
3473	} else {	4505	} else {
3474	LOG llevInfo, "[ABT] $msg\n";	4506	LOG llevInfo, "[ABT] $msg\n";
3475	LOG llevInfo, "[ABT] [suppressed]\n";	4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3476	}	4508	}
3477	}	4509	}
3478		4510
3479	# load additional modules	4511	# load additional modules
3480	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
3481		4514
3482	END { cf::emergency_save }	4515	END { cf::emergency_save }
3483		4516
3484	1	4517	1
3485		4518

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