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Revision 1.423 by root, Sun Apr 20 00:44:13 2008 UTC vs.
Revision 1.593 by root, Fri Nov 9 01:59:33 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV 3.2;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
35		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
36	use Coro 4.50 ();	41	use Coro ();
37	use Coro::State;	42	use Coro::State;
38	use Coro::Handle;	43	use Coro::Handle;
39	use Coro::EV;	44	use Coro::EV;
		45	use Coro::AnyEvent;
40	use Coro::Timer;	46	use Coro::Timer;
41	use Coro::Signal;	47	use Coro::Signal;
42	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
43	use Coro::AIO;	51	use Coro::AIO;
44	use Coro::BDB;	52	use Coro::BDB 1.6;
45	use Coro::Storable;	53	use Coro::Storable;
46	use Coro::Util ();	54	use Coro::Util ();
47		55
		56	use Guard ();
48	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
49	use BDB ();	58	use BDB ();
50	use Data::Dumper;	59	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	60	use Fcntl;
53	use YAML ();	61	use YAML::XS ();
54	use IO::AIO 2.51 ();	62	use IO::AIO ();
55	use Time::HiRes;	63	use Time::HiRes;
56	use Compress::LZF;	64	use Compress::LZF;
57	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
58		68
59	# configure various modules to our taste	69	# configure various modules to our taste
60	#	70	#
61	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
62	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";
63	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
64		79
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		82
67	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;
68		86
69	our %COMMAND = ();	87	our %COMMAND = ();
70	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
71		89
72	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
73	our %EXTCMD = ();	91	our %EXTCMD = ();
74	our %EXTICMD = ();	92	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
77		95
78	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
80		100
81	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
82	our $DATADIR = datadir;	103	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
86	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
92	our %RESOURCE;	114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
93		124
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	127	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	128	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		129
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	130	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	131	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	132	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	133	our $DB_ENV;
105		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
106	our %CFG;	137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
107		139
108	our $UPTIME; $UPTIME ||= time;	140	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
110	our $NOW;	143	our $NOW;
111		144
112	our (%PLAYER, %PLAYER_LOADING); # all users	145	our (%PLAYER, %PLAYER_LOADING); # all users
113	our (%MAP, %MAP_LOADING ); # all maps	146	our (%MAP, %MAP_LOADING ); # all maps
114	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	154	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
123		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
		164
124	binmode STDOUT;	165	binmode STDOUT;
125	binmode STDERR;	166	binmode STDERR;
126		167
127	# read virtual server time, if available	168	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
132	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
133		176
134	mkdir $_	177	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		179
137	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
138		181
139	sub cf::map::normalise;	182	sub cf::map::normalise;
140		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
141	#############################################################################	188	#############################################################################
142		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
143	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
144		202
145	=over 4	203	=over 4
146		204
147	=item $cf::UPTIME	205	=item $cf::UPTIME
148		206
149	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
150		223
151	=item $cf::RUNTIME	224	=item $cf::RUNTIME
152		225
153	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
154	every server tick.	227	every server tick.
155		228
156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
159		232
160	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
163	database environment.	236	database environment.
164		237
165	=item $cf::NOW
166
167	The time of the last (current) server tick.
168
169	=item $cf::TICK
170
171	The interval between server ticks, in seconds.
172
173	=item $cf::LOADAVG	238	=item $cf::LOADAVG
174		239
175	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
176	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
177	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
186	from wherever your confdir points to.	251	from wherever your confdir points to.
187		252
188	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
189		254
190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
191	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
194	=item @cf::INVOKE_RESULTS	276	=item @cf::INVOKE_RESULTS
195		277
196	This array contains the results of the last C<invoke ()> call. When	278	This array contains the results of the last C<invoke ()> call. When
197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	280	that call.
199		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
200	=back	288	=back
201		289
202	=cut	290	=cut
203		291
204	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
205	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
206	my $msg = join "", @_;	299	my $msg = join "", @_;
207		300
208	$msg .= "\n"	301	$msg .= "\n"
209	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
210		303
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		305
213	LOG llevError, $msg;	306	LOG llevWarn, $msg;
214	};	307	};
215	}
216		308
217	$Coro::State::DIEHOOK = sub {	309	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	310	return unless $^S eq 0; # "eq", not "=="
219		311
220	if ($Coro::current == $Coro::main) {#d#	312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	315	error "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	316	return;#d#
223	}#d#	317	}#d#
224		318
225	# kill coroutine otherwise	319	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	320	Coro::terminate
228	};	321	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		322
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	333	for my $pkg (qw(
243	cf::global cf::attachable	334	cf::global cf::attachable
244	cf::object cf::object::player	335	cf::object cf::object::player
245	cf::client cf::player	336	cf::client cf::player
246	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
247	cf::map cf::party cf::region	339	cf::party cf::region
248	)) {	340	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	342	}
252		343
253	$EV::DIED = sub {	344	$EV::DIED = sub {
254	warn "error in event callback: @_";	345	warn "error in event callback: $@";
255	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
256		352
257	#############################################################################	353	#############################################################################
258		354
259	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
260		356
…		…
281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
282	$d	378	$d
283	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
284	}	380	}
285		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
286	=item $ref = cf::decode_json $json	434	=item $ref = cf::decode_json $json
287		435
288	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
289		437
290	=item $json = cf::encode_json $ref	438	=item $json = cf::encode_json $ref
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		445
298	sub encode_json($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
300		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
		510
301	=item cf::lock_wait $string	511	=item cf::lock_wait $string
302		512
303	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
304		514
305	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
306		516
307	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
310	returned.	520	returned.
311		521
312	Locks are *not* recursive, locking from the same coro twice results in a	522	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	523	deadlocked coro.
…		…
319		529
320	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
321		531
322	=cut	532	=cut
323		533
324	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		535
327	sub lock_wait($) {	536	sub lock_wait($) {
328	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	538	}
341		539
342	sub lock_acquire($) {	540	sub lock_acquire($) {
343	my ($key) = @_;	541	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	542	}
357		543
358	sub lock_active($) {	544	sub lock_active($) {
359	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	546	}
363		547
364	sub freeze_mainloop {	548	sub freeze_mainloop {
365	tick_inhibit_inc;	549	tick_inhibit_inc;
366		550
367	Coro::guard \&tick_inhibit_dec;	551	&Guard::guard (\&tick_inhibit_dec);
368	}	552	}
369		553
370	=item cf::periodic $interval, $cb	554	=item cf::periodic $interval, $cb
371		555
372	Like EV::periodic, but randomly selects a starting point so that the actions	556	Like EV::periodic, but randomly selects a starting point so that the actions
373	get spread over timer.	557	get spread over time.
374		558
375	=cut	559	=cut
376		560
377	sub periodic($$) {	561	sub periodic($$) {
378	my ($interval, $cb) = @_;	562	my ($interval, $cb) = @_;
…		…
382	EV::periodic $start, $interval, 0, $cb	566	EV::periodic $start, $interval, 0, $cb
383	}	567	}
384		568
385	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
386		570
387	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	Allocate $time seconds of blocking CPU time at priority C<$priority>
388	This call blocks and returns only when you have at least C<$time> seconds	572	(default: 0): This call blocks and returns only when you have at least
389	of cpu time till the next tick. The slot is only valid till the next cede.	573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
390		578
391	The optional C<$name> can be used to identify the job to run. It might be	579	The optional C<$name> can be used to identify the job to run. It might be
392	used for statistical purposes and should identify the same time-class.	580	used for statistical purposes and should identify the same time-class.
393		581
394	Useful for short background jobs.	582	Useful for short background jobs.
395		583
396	=cut	584	=cut
397		585
398	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
399	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
400		589
401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
403	$Coro::current->desc ("timeslot manager");	592	$Coro::current->desc ("timeslot manager");
404		593
405	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
406		596
407	while () {	597	while () {
408	next_job:	598	next_job:
		599
409	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
410	if ($avail > 0.01) {	601
411	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
412	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
413	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
414	$job->[2]->send;	606	$job->[2]->send;
415	Coro::cede;	607	Coro::cede;
416	goto next_job;	608	goto next_job;
417	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418	}	611	}
419	}	612	}
420		613
421	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
422	# we do not use wait_for_tick() as it returns immediately when tick is inactive	615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
423	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
424	$signal->wait;
425	} else {	617	} else {
		618	$busy = 0;
426	Coro::schedule;	619	Coro::schedule;
427	}	620	}
428	}	621	}
429	};	622	};
430		623
431	sub get_slot($;$$) {	624	sub get_slot($;$$) {
432	return if tick_inhibit || $Coro::current == $Coro::main;	625	return if tick_inhibit || $Coro::current == $Coro::main;
433		626
434	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
435		628
436	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
437	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
438		632
439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
467	=cut	661	=cut
468		662
469	sub sync_job(&) {	663	sub sync_job(&) {
470	my ($job) = @_;	664	my ($job) = @_;
471		665
472	if ($Coro::current == $Coro::main) {	666	if (in_main) {
473	my $time = EV::time;	667	my $time = AE::time;
474		668
475	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
476	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
477		671
478	LOG llevError, Carp::longmess "sync job";#d#	672	#LOG llevError, Carp::longmess "sync job";#d#
479		673
480	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
481		675
482	my $busy = 1;	676	my $busy = 1;
483	my @res;	677	my @res;
484		678
485	(async {	679	(async {
486	$Coro::current->desc ("sync job coro");	680	$Coro::current->desc ("sync job coro");
487	@res = eval { $job->() };	681	@res = eval { $job->() };
488	warn $@ if $@;	682	error $@ if $@;
489	undef $busy;	683	undef $busy;
490	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
491		685
492	while ($busy) {	686	while ($busy) {
493	if (Coro::nready) {	687	if (Coro::nready) {
…		…
495	} else {	689	} else {
496	EV::loop EV::LOOP_ONESHOT;	690	EV::loop EV::LOOP_ONESHOT;
497	}	691	}
498	}	692	}
499		693
500	my $time = EV::time - $time;	694	my $time = AE::time - $time;
501		695
502	$TICK_START += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
503		697
504	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
505	} else {	699	} else {
…		…
527	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
528		722
529	$coro	723	$coro
530	}	724	}
531		725
532	=item fork_call { }, $args	726	=item fork_call { }, @args
533		727
534	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
535	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
536	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
537	never block itself or use any form of event handling.	731	never block itself or use any form of event handling.
538		732
539	=cut	733	=cut
540		734
		735	sub post_fork {
		736	reset_signals;
		737	}
		738
541	sub fork_call(&@) {	739	sub fork_call(&@) {
542	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
543		741
544	# we seemingly have to make a local copy of the whole thing,	742	# we seemingly have to make a local copy of the whole thing,
545	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
546	# TODO: investigate and fix (likely this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
547		745
548	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
549	reset_signals;	747	cf::post_fork;
550	&$cb	748	&$cb
551	}, @args;	749	} @args;
552		750
553	wantarray ? @res : $res[-1]	751	wantarray ? @res : $res[-1]
		752	}
		753
		754	sub objinfo {
		755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
554	}	763	}
555		764
556	=item $coin = coin_from_name $name	765	=item $coin = coin_from_name $name
557		766
558	=cut	767	=cut
…		…
595	within each server.	804	within each server.
596		805
597	=cut	806	=cut
598		807
599	sub db_table($) {	808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
600	my ($name) = @_;	812	my ($name) = @_;
601	my $db = BDB::db_create $DB_ENV;	813	my $db = BDB::db_create $DB_ENV;
602		814
603	eval {	815	eval {
604	$db->set_flags (BDB::CHKSUM);	816	$db->set_flags (BDB::CHKSUM);
…		…
614	}	826	}
615		827
616	our $DB;	828	our $DB;
617		829
618	sub db_init {	830	sub db_init {
619	cf::sync_job {
620	$DB ||= db_table "db";	831	$DB ||= db_table "db";
621	};
622	}	832	}
623		833
624	sub db_get($$) {	834	sub db_get($$) {
625	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
626		836
627	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
628	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
629		841
630	$! ? ()	842	$! ? ()
631	: $data	843	: $data
632	}
633	}	844	}
634		845
635	sub db_put($$$) {	846	sub db_put($$$) {
636	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
665		876
666	my @data;	877	my @data;
667	my $md5;	878	my $md5;
668		879
669	for (0 .. $#$src) {	880	for (0 .. $#$src) {
670	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
671	or Carp::croak "$src->[$_]: $!";
672	}	882	}
673		883
674	# if processing is expensive, check	884	# if processing is expensive, check
675	# checksum first	885	# checksum first
676	if (1) {	886	if (1) {
…		…
693		903
694	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
695	my $data = $process->(\@data);	905	my $data = $process->(\@data);
696	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
697		907
698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
699		909
700	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
701	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
702	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
703		913
…		…
713		923
714	=cut	924	=cut
715		925
716	sub datalog($@) {	926	sub datalog($@) {
717	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
719	}	929	}
720		930
721	=back	931	=back
722		932
723	=cut	933	=cut
724		934
725	#############################################################################	935	#############################################################################
726		936
727	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
728		938
729	Many objects in crossfire are so-called attachable objects. That means you can	939	Many objects in deliantra are so-called attachable objects. That means you can
730	attach callbacks/event handlers (a collection of which is called an "attachment")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
731	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
732		942
733	In the following description, CLASS can be any of C<global>, C<object>	943	In the following description, CLASS can be any of C<global>, C<object>
734	C<player>, C<client> or C<map> (i.e. the attachable objects in	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
784	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
785		995
786	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
788		998
789	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
791		1001
792	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
793		1003
794	=over 4	1004	=over 4
…		…
918		1128
919	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
920	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
921		1131
922	} elsif (ref $type) {	1132	} elsif (ref $type) {
923	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
924		1134
925	} else {	1135	} else {
926	shift @arg;	1136	shift @arg;
927	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
928	}	1138	}
929	}	1139	}
930	}	1140	}
931		1141
932	sub _object_attach {	1142	sub _object_attach {
…		…
942	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
943	}	1153	}
944		1154
945	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
946	} else {	1156	} else {
947	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
948	}	1158	}
949		1159
950	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
951	}	1161	}
952		1162
…		…
1011		1221
1012	for (@$callbacks) {	1222	for (@$callbacks) {
1013	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
1014		1224
1015	if ($@) {	1225	if ($@) {
1016	warn "$@";
1017	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1018	override;	1227	override;
1019	}	1228	}
1020		1229
1021	return 1 if $override;	1230	return 1 if $override;
1022	}	1231	}
…		…
1085		1294
1086	sub reattach {	1295	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1297	my ($obj) = @_;
1089		1298
		1299	# no longer needed after getting rid of delete_package?
1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091		1301
1092	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
1093		1303
1094	@$registry = ();	1304	@$registry = ();
1095		1305
…		…
1100	for (@$attach) {	1310	for (@$attach) {
1101	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
1102	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
1103	}	1313	}
1104	} else {	1314	} else {
1105	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
1106	}	1316	}
1107	}	1317	}
1108	}	1318	}
1109		1319
1110	cf::attachable->attach (	1320	cf::attachable->attach (
…		…
1137	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1138		1348
1139	sync_job {	1349	sync_job {
1140	if (length $$rdata) {	1350	if (length $$rdata) {
1141	utf8::decode (my $decname = $filename);	1351	utf8::decode (my $decname = $filename);
1142	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1143	$decname, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1144		1355
1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	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;
		1361	aio_fsync $fh;
		1362	}
1149	close $fh;	1363	aio_close $fh;
1150		1364
1151	if (@$objs) {	1365	if (@$objs) {
1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1153	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1156	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	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;
		1372	aio_fsync $fh;
		1373	}
1157	close $fh;	1374	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1376	}
1160	} else {	1377	} else {
1161	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1162	}	1379	}
1163		1380
1164	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1385	} else {
1166	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1167	}	1387	}
1168	} else {	1388	} else {
1169	aio_unlink $filename;	1389	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1171	}	1391	}
…		…
1195	my $st = eval { Coro::Storable::thaw $av };	1415	my $st = eval { Coro::Storable::thaw $av };
1196	$av = $st->{objs};	1416	$av = $st->{objs};
1197	}	1417	}
1198		1418
1199	utf8::decode (my $decname = $filename);	1419	utf8::decode (my $decname = $filename);
1200	warn sprintf "loading %s (%d,%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1201	$decname, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
1202		1423
1203	($data, $av)	1424	($data, $av)
1204	}	1425	}
1205		1426
1206	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
…		…
1210	=cut	1431	=cut
1211		1432
1212	#############################################################################	1433	#############################################################################
1213	# command handling &c	1434	# command handling &c
1214		1435
1215	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args)
1216		1437
1217	Register a callback for execution when the client sends the user command	1438	Register a callback for execution when the client sends the user command
1218	$name.	1439	$name.
1219		1440
1220	=cut	1441	=cut
…		…
1226	#warn "registering command '$name/$time' to '$caller'";	1447	#warn "registering command '$name/$time' to '$caller'";
1227		1448
1228	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
1229	}	1450	}
1230		1451
1231	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet)
1232		1453
1233	Register a callback for execution when the client sends an (synchronous)	1454	Register a callback for execution when the client sends an (synchronous)
1234	extcmd packet. Ext commands will be processed in the order they are	1455	extcmd packet. Ext commands will be processed in the order they are
1235	received by the server, like other user commands. The first argument is	1456	received by the server, like other user commands. The first argument is
1236	the logged-in player. Ext commands can only be processed after a player	1457	the logged-in player. Ext commands can only be processed after a player
1237	has logged in successfully.	1458	has logged in successfully.
1238		1459
1239	If the callback returns something, it is sent back as if reply was being	1460	If the callback returns something, it is sent back as if reply was being
1240	called.	1461	called.
1241		1462
1242	=item cf::register_exticmd $name => \&callback($ns,$packet);	1463	=item cf::register_exticmd $name => \&callback($ns,$packet)
1243		1464
1244	Register a callback for execution when the client sends an (asynchronous)	1465	Register a callback for execution when the client sends an (asynchronous)
1245	exticmd packet. Exti commands are processed by the server as soon as they	1466	exticmd packet. Exti commands are processed by the server as soon as they
1246	are received, i.e. out of order w.r.t. other commands. The first argument	1467	are received, i.e. out of order w.r.t. other commands. The first argument
1247	is a client socket. Exti commands can be received anytime, even before	1468	is a client socket. Exti commands can be received anytime, even before
…		…
1262	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1263		1484
1264	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1265	}	1486	}
1266		1487
		1488	use File::Glob ();
		1489
1267	cf::player->attach (	1490	cf::player->attach (
1268	on_command => sub {	1491	on_unknown_command => sub {
1269	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1270		1493
1271	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1272	or return;	1495	or return;
1273		1496
…		…
1281	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1282		1505
1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1284		1507
1285	if (ref $msg) {	1508	if (ref $msg) {
1286	my ($type, $reply, @payload) =	1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1287	"ARRAY" eq ref $msg
1288	? @$msg
1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1290		1510
1291	my @reply;	1511	my @reply;
1292		1512
1293	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1294	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
1295	}	1515	}
1296		1516
1297	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_msg ("reply-$reply", @reply)
1298	if $reply;	1518	if $reply;
1299		1519
1300	} else {	1520	} else {
1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1302	}	1522	}
1303		1523
1304	cf::override;	1524	cf::override;
1305	},	1525	},
1306	);	1526	);
1307		1527
		1528	# "readahead" all extensions
		1529	sub cache_extensions {
		1530	my $grp = IO::AIO::aio_group;
		1531
		1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1533	for (grep /\.ext$/, @{$_[0]}) {
		1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1535	}
		1536	};
		1537
		1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1550	}
		1551
1308	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1309	cf::sync_job {	1557	cf::sync_job {
1310	my %todo;	1558	my %todo;
1311		1559
1312	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1313	next unless -r $path;	1561	next unless -r $path;
…		…
1331		1579
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334		1582
1335	$ext{source} =	1583	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1337	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1338	. $source	1586	. $source
1339	. "\n};\n1";	1587	. "\n};\n1";
1340		1588
1341	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1342	}	1590	}
1343		1591
		1592	my $pass = 0;
1344	my %done;	1593	my %done;
1345	while (%todo) {	1594	while (%todo) {
1346	my $progress;	1595	my $progress;
1347		1596
		1597	++$pass;
		1598
		1599	ext:
1348	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1349	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1350	goto skip	1602	next ext
1351	unless exists $done{$_};	1603	unless exists $done{$_};
1352	}	1604	}
1353		1605
1354	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1355		1607
1356	unless (eval $v->{source}) {	1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
1357	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1358	: "$v->{base}: extension inactive.\n";
1359		1621
1360	if (exists $v->{meta}{mandatory}) {
1361	warn $msg;
1362	cf::cleanup "mandatory extension failed to load, exiting.";	1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1363	}	1623	if exists $v->{meta}{mandatory};
1364		1624
1365	warn $msg;	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1626	delete $todo{$k};
		1627	} else {
		1628	$done{$k} = delete $todo{$k};
		1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1366	}	1634	}
1367
1368	$done{$k} = delete $todo{$k};
1369	push @EXTS, $v->{pkg};
1370	$progress = 1;
1371	}	1635	}
1372		1636
1373	skip:	1637	unless ($progress) {
1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1375	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1376	}	1647	}
1377	};	1648	};
1378	}	1649	}
1379		1650
1380	#############################################################################	1651	#############################################################################
1381		1652
1382	=back	1653	=back
1383		1654
1384	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1385		1656
1386	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1387		1658
1388	=cut	1659	=cut
1389		1660
1390	package cf::player;	1661	package cf::player;
1391		1662
…		…
1434		1705
1435	sub exists($) {	1706	sub exists($) {
1436	my ($login) = @_;	1707	my ($login) = @_;
1437		1708
1438	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1440	}	1711	}
1441		1712
1442	sub find($) {	1713	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1715	my $login = $_[0];
…		…
1456	my $f = new_from_file cf::object::thawer path $login	1727	my $f = new_from_file cf::object::thawer path $login
1457	or return;	1728	or return;
1458		1729
1459	my $pl = cf::player::load_pl $f	1730	my $pl = cf::player::load_pl $f
1460	or return;	1731	or return;
		1732
1461	local $cf::PLAYER_LOADING{$login} = $pl;	1733	local $cf::PLAYER_LOADING{$login} = $pl;
1462	$f->resolve_delayed_derefs;	1734	$f->resolve_delayed_derefs;
1463	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1464	}	1736	}
1465	}	1737	}
1466	}	1738	}
1467		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
		1752
1468	sub save($) {	1753	sub save($) {
1469	my ($pl) = @_;	1754	my ($pl) = @_;
1470		1755
1471	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
1472		1757
…		…
1477		1762
1478	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1479	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1480		1765
1481	cf::get_slot 0.01;	1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1482		1770
1483	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1484	cf::cede_to_tick;	1772	cf::cede_to_tick;
1485	}	1773	}
1486		1774
…		…
1518	my ($pl) = @_;	1806	my ($pl) = @_;
1519		1807
1520	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1521		1809
1522	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1523	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1524		1812
1525	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1526	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1527	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1528	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1529		1821
1530	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1531	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1532	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1570		1862
1571	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
1572	my $path = path $login;	1864	my $path = path $login;
1573		1865
1574	# a .pst is a dead give-away for a valid player	1866	# a .pst is a dead give-away for a valid player
1575	unless (-e "$path.pst") {	1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1577	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1578	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
1579	}	1872	}
1580		1873
…		…
1584		1877
1585	\@logins	1878	\@logins
1586	}	1879	}
1587		1880
1588	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1589		1884
1590	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1591	player. May block.	1886	player. May block.
1592		1887
1593	=cut	1888	=cut
…		…
1611	}	1906	}
1612		1907
1613	\@paths	1908	\@paths
1614	}	1909	}
1615		1910
1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1617		1912
1618	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1619
1620	=cut
1621
1622	use re 'eval';
1623
1624	my $group;
1625	my $interior; $interior = qr{
1626	# match a pod interior sequence sans C<< >>
1627	(?:
1628	\ (.*?)\ (?{ $group = $^N })
1629	| < (??{$interior}) >
1630	)
1631	}x;
1632
1633	sub expand_cfpod {
1634	my ($self, $pod) = @_;
1635
1636	my $xml;
1637
1638	while () {
1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1640	$group = $1;
1641
1642	$group =~ s/&/&amp;/g;
1643	$group =~ s/</&lt;/g;
1644
1645	$xml .= $group;
1646	} elsif ($pod =~ m%\G
1647	([BCGHITU])
1648	<
1649	(?:
1650	([^<>]*) (?{ $group = $^N })
1651	| < $interior >
1652	)
1653	>
1654	%gcsx
1655	) {
1656	my ($code, $data) = ($1, $group);
1657
1658	if ($code eq "B") {
1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1660	} elsif ($code eq "I") {
1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1662	} elsif ($code eq "U") {
1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1664	} elsif ($code eq "C") {
1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1666	} elsif ($code eq "T") {
1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1668	} elsif ($code eq "G") {
1669	my ($male, $female) = split /\|/, $data;
1670	$data = $self->gender ? $female : $male;
1671	$xml .= expand_cfpod ($self, $data);
1672	} elsif ($code eq "H") {
1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1675	"")
1676	[$self->{hintmode}];
1677	} else {
1678	$xml .= "error processing '$code($data)' directive";
1679	}
1680	} else {
1681	if ($pod =~ /\G(.+)/) {
1682	warn "parse error while expanding $pod (at $1)";
1683	}
1684	last;
1685	}
1686	}
1687
1688	for ($xml) {
1689	# create single paragraphs (very hackish)
1690	s/(?<=\S)\n(?=\w)/ /g;
1691
1692	# compress some whitespace
1693	s/\s+\n/\n/g; # ws line-ends
1694	s/\n\n+/\n/g; # double lines
1695	s/^\n+//; # beginning lines
1696	s/\n+$//; # ending lines
1697	}
1698
1699	$xml
1700	}
1701
1702	no re 'eval';
1703
1704	sub hintmode {
1705	$_[0]{hintmode} = $_[1] if @_ > 1;
1706	$_[0]{hintmode}
1707	}
1708
1709	=item $player->ext_reply ($msgid, @msg)
1710
1711	Sends an ext reply to the player.
1712
1713	=cut
1714
1715	sub ext_reply($$@) {
1716	my ($self, $id, @msg) = @_;
1717
1718	$self->ns->ext_reply ($id, @msg)
1719	}
1720		1914
1721	=item $player->ext_msg ($type, @msg)	1915	=item $player->ext_msg ($type, @msg)
1722		1916
1723	Sends an ext event to the client.	1917	Sends an ext event to the client.
1724		1918
…		…
1744		1938
1745	=cut	1939	=cut
1746		1940
1747	sub find_by_path($) {	1941	sub find_by_path($) {
1748	my ($path) = @_;	1942	my ($path) = @_;
		1943
		1944	$path =~ s/^~[^\/]*//; # skip ~login
1749		1945
1750	my ($match, $specificity);	1946	my ($match, $specificity);
1751		1947
1752	for my $region (list) {	1948	for my $region (list) {
1753	if ($region->{match} && $path =~ $region->{match}) {	1949	if ($region->{match} && $path =~ $region->{match}) {
…		…
1782	sub generate_random_map {	1978	sub generate_random_map {
1783	my ($self, $rmp) = @_;	1979	my ($self, $rmp) = @_;
1784		1980
1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1981	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1786		1982
1787	# mit "rum" bekleckern, nicht
1788	$self->_create_random_map (	1983	$self->_create_random_map ($rmp);
1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1792	$rmp->{exit_on_final_map},
1793	$rmp->{xsize}, $rmp->{ysize},
1794	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1795	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1796	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1797	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1798	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1799	(cf::region::find $rmp->{region}), $rmp->{custom}
1800	)
1801	}	1984	}
1802		1985
1803	=item cf::map->register ($regex, $prio)	1986	=item cf::map->register ($regex, $prio)
1804		1987
1805	Register a handler for the map path matching the given regex at the	1988	Register a handler for the map path matching the given regex at the
…		…
1810		1993
1811	sub register {	1994	sub register {
1812	my (undef, $regex, $prio) = @_;	1995	my (undef, $regex, $prio) = @_;
1813	my $pkg = caller;	1996	my $pkg = caller;
1814		1997
1815	no strict;
1816	push @{"$pkg\::ISA"}, __PACKAGE__;	1998	push @{"$pkg\::ISA"}, __PACKAGE__;
1817		1999
1818	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2000	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1819	}	2001	}
1820		2002
1821	# also paths starting with '/'	2003	# also paths starting with '/'
1822	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2004	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1823		2005
1824	sub thawer_merge {	2006	sub thawer_merge {
1825	my ($self, $merge) = @_;	2007	my ($self, $merge) = @_;
1826		2008
1827	# we have to keep some variables in memory intact	2009	# we have to keep some variables in memory intact
…		…
1832	}	2014	}
1833		2015
1834	sub normalise {	2016	sub normalise {
1835	my ($path, $base) = @_;	2017	my ($path, $base) = @_;
1836		2018
1837	$path = "$path"; # make sure its a string	2019	$path = "$path"; # make sure it's a string
1838		2020
1839	$path =~ s/\.map$//;	2021	$path =~ s/\.map$//;
1840		2022
1841	# map plan:	2023	# map plan:
1842	#	2024	#
…		…
1857	$base =~ s{[^/]+/?$}{};	2039	$base =~ s{[^/]+/?$}{};
1858	$path = "$base/$path";	2040	$path = "$base/$path";
1859	}	2041	}
1860		2042
1861	for ($path) {	2043	for ($path) {
1862	redo if s{//}{/};
1863	redo if s{/\.?/}{/};	2044	redo if s{/\.?/}{/};
1864	redo if s{/[^/]+/\.\./}{/};	2045	redo if s{/[^/]+/\.\./}{/};
1865	}	2046	}
1866		2047
1867	$path	2048	$path
…		…
1881	$self->init; # pass $1 etc.	2062	$self->init; # pass $1 etc.
1882	return $self;	2063	return $self;
1883	}	2064	}
1884	}	2065	}
1885		2066
1886	Carp::cluck "unable to resolve path '$path' (base '$base').";	2067	Carp::cluck "unable to resolve path '$path' (base '$base')";
1887	()	2068	()
1888	}	2069	}
1889		2070
		2071	# may re-bless or do other evil things
1890	sub init {	2072	sub init {
1891	my ($self) = @_;	2073	my ($self) = @_;
1892		2074
1893	$self	2075	$self
1894	}	2076	}
…		…
1925		2107
1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1927	"$UNIQUEDIR/$path"	2109	"$UNIQUEDIR/$path"
1928	}	2110	}
1929		2111
1930	# and all this just because we cannot iterate over
1931	# all maps in C++...
1932	sub change_all_map_light {
1933	my ($change) = @_;
1934
1935	$_->change_map_light ($change)
1936	for grep $_->outdoor, values %cf::MAP;
1937	}
1938
1939	sub decay_objects {	2112	sub decay_objects {
1940	my ($self) = @_;	2113	my ($self) = @_;
1941		2114
1942	return if $self->{deny_reset};	2115	return if $self->{deny_reset};
1943		2116
…		…
1968	$self->{load_path} = $path;	2141	$self->{load_path} = $path;
1969		2142
1970	1	2143	1
1971	}	2144	}
1972		2145
		2146	# used to laod the header of an original map
1973	sub load_header_orig {	2147	sub load_header_orig {
1974	my ($self) = @_;	2148	my ($self) = @_;
1975		2149
1976	$self->load_header_from ($self->load_path)	2150	$self->load_header_from ($self->load_path)
1977	}	2151	}
1978		2152
		2153	# used to laod the header of an instantiated map
1979	sub load_header_temp {	2154	sub load_header_temp {
1980	my ($self) = @_;	2155	my ($self) = @_;
1981		2156
1982	$self->load_header_from ($self->save_path)	2157	$self->load_header_from ($self->save_path)
1983	}	2158	}
1984		2159
		2160	# called after loading the header from an instantiated map
1985	sub prepare_temp {	2161	sub prepare_temp {
1986	my ($self) = @_;	2162	my ($self) = @_;
1987		2163
1988	$self->last_access ((delete $self->{last_access})	2164	$self->last_access ((delete $self->{last_access})
1989	|| $cf::RUNTIME); #d#	2165	|| $cf::RUNTIME); #d#
1990	# safety	2166	# safety
1991	$self->{instantiate_time} = $cf::RUNTIME	2167	$self->{instantiate_time} = $cf::RUNTIME
1992	if $self->{instantiate_time} > $cf::RUNTIME;	2168	if $self->{instantiate_time} > $cf::RUNTIME;
1993	}	2169	}
1994		2170
		2171	# called after loading the header from an original map
1995	sub prepare_orig {	2172	sub prepare_orig {
1996	my ($self) = @_;	2173	my ($self) = @_;
1997		2174
1998	$self->{load_original} = 1;	2175	$self->{load_original} = 1;
1999	$self->{instantiate_time} = $cf::RUNTIME;	2176	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2023		2200
2024	sub find;	2201	sub find;
2025	sub find {	2202	sub find {
2026	my ($path, $origin) = @_;	2203	my ($path, $origin) = @_;
2027		2204
		2205	cf::cede_to_tick;
		2206
2028	$path = normalise $path, $origin && $origin->path;	2207	$path = normalise $path, $origin;
2029		2208
2030	cf::lock_wait "map_data:$path";#d#remove	2209	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2031	cf::lock_wait "map_find:$path";	2210	my $guard2 = cf::lock_acquire "map_find:$path";
2032		2211
2033	$cf::MAP{$path} || do {	2212	$cf::MAP{$path} || do {
2034	my $guard1 = cf::lock_acquire "map_find:$path";
2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2036
2037	my $map = new_from_path cf::map $path	2213	my $map = new_from_path cf::map $path
2038	or return;	2214	or return;
2039		2215
2040	$map->{last_save} = $cf::RUNTIME;	2216	$map->{last_save} = $cf::RUNTIME;
2041		2217
…		…
2043	or return;	2219	or return;
2044		2220
2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2221	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2046	# doing this can freeze the server in a sync job, obviously	2222	# doing this can freeze the server in a sync job, obviously
2047	#$cf::WAIT_FOR_TICK->wait;	2223	#$cf::WAIT_FOR_TICK->wait;
		2224	undef $guard2;
2048	undef $guard1;	2225	undef $guard1;
2049	undef $guard2;
2050	$map->reset;	2226	$map->reset;
2051	return find $path;	2227	return find $path;
2052	}	2228	}
2053		2229
2054	$cf::MAP{$path} = $map	2230	$cf::MAP{$path} = $map
2055	}	2231	}
2056	}	2232	}
2057		2233
2058	sub pre_load { }	2234	sub pre_load { }
2059	sub post_load { }	2235	#sub post_load { } # XS
2060		2236
2061	sub load {	2237	sub load {
2062	my ($self) = @_;	2238	my ($self) = @_;
2063		2239
2064	local $self->{deny_reset} = 1; # loading can take a long time	2240	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2067		2243
2068	{	2244	{
2069	my $guard = cf::lock_acquire "map_data:$path";	2245	my $guard = cf::lock_acquire "map_data:$path";
2070		2246
2071	return unless $self->valid;	2247	return unless $self->valid;
2072	return unless $self->in_memory == cf::MAP_SWAPPED;	2248	return unless $self->state == cf::MAP_SWAPPED;
2073
2074	$self->in_memory (cf::MAP_LOADING);
2075		2249
2076	$self->alloc;	2250	$self->alloc;
2077		2251
2078	$self->pre_load;	2252	$self->pre_load;
2079	cf::cede_to_tick;	2253	cf::cede_to_tick;
2080		2254
		2255	if (exists $self->{load_path}) {
2081	my $f = new_from_file cf::object::thawer $self->{load_path};	2256	my $f = new_from_file cf::object::thawer $self->{load_path};
2082	$f->skip_block;	2257	$f->skip_block;
2083	$self->_load_objects ($f)	2258	$self->_load_objects ($f)
2084	or return;	2259	or return;
2085		2260
2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2261	$self->post_load_original
2087	if delete $self->{load_original};	2262	if delete $self->{load_original};
2088		2263
2089	if (my $uniq = $self->uniq_path) {	2264	if (my $uniq = $self->uniq_path) {
2090	utf8::encode $uniq;	2265	utf8::encode $uniq;
2091	unless (aio_stat $uniq) {	2266	unless (aio_stat $uniq) {
2092	if (my $f = new_from_file cf::object::thawer $uniq) {	2267	if (my $f = new_from_file cf::object::thawer $uniq) {
2093	$self->clear_unique_items;	2268	$self->clear_unique_items;
2094	$self->_load_objects ($f);	2269	$self->_load_objects ($f);
2095	$f->resolve_delayed_derefs;	2270	$f->resolve_delayed_derefs;
		2271	}
2096	}	2272	}
2097	}	2273	}
2098	}
2099		2274
2100	$f->resolve_delayed_derefs;	2275	$f->resolve_delayed_derefs;
		2276	} else {
		2277	$self->post_load_original
		2278	if delete $self->{load_original};
		2279	}
		2280
		2281	$self->state (cf::MAP_INACTIVE);
2101		2282
2102	cf::cede_to_tick;	2283	cf::cede_to_tick;
2103	# now do the right thing for maps	2284	# now do the right thing for maps
2104	$self->link_multipart_objects;	2285	$self->link_multipart_objects;
2105	$self->difficulty ($self->estimate_difficulty)	2286	$self->difficulty ($self->estimate_difficulty)
…		…
2109	unless ($self->{deny_activate}) {	2290	unless ($self->{deny_activate}) {
2110	$self->decay_objects;	2291	$self->decay_objects;
2111	$self->fix_auto_apply;	2292	$self->fix_auto_apply;
2112	$self->update_buttons;	2293	$self->update_buttons;
2113	cf::cede_to_tick;	2294	cf::cede_to_tick;
2114	$self->set_darkness_map;	2295	#$self->activate; # no longer activate maps automatically
2115	cf::cede_to_tick;
2116	$self->activate;
2117	}	2296	}
2118		2297
2119	$self->{last_save} = $cf::RUNTIME;	2298	$self->{last_save} = $cf::RUNTIME;
2120	$self->last_access ($cf::RUNTIME);	2299	$self->last_access ($cf::RUNTIME);
2121
2122	$self->in_memory (cf::MAP_ACTIVE);
2123	}	2300	}
2124		2301
2125	$self->post_load;	2302	$self->post_load;
2126	}
2127		2303
		2304	1
		2305	}
		2306
		2307	# customize the map for a given player, i.e.
		2308	# return the _real_ map. used by e.g. per-player
		2309	# maps to change the path to ~playername/mappath
2128	sub customise_for {	2310	sub customise_for {
2129	my ($self, $ob) = @_;	2311	my ($self, $ob) = @_;
2130		2312
2131	return find "~" . $ob->name . "/" . $self->{path}	2313	return find "~" . $ob->name . "/" . $self->{path}
2132	if $self->per_player;	2314	if $self->per_player;
…		…
2135	# if $self->per_party;	2317	# if $self->per_party;
2136		2318
2137	$self	2319	$self
2138	}	2320	}
2139		2321
2140	# find and load all maps in the 3x3 area around a map
2141	sub load_neighbours {
2142	my ($map) = @_;
2143
2144	my @neigh; # diagonal neighbours
2145
2146	for (0 .. 3) {
2147	my $neigh = $map->tile_path ($_)
2148	or next;
2149	$neigh = find $neigh, $map
2150	or next;
2151	$neigh->load;
2152
2153	push @neigh,
2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2156	}
2157
2158	for (grep defined $_->[0], @neigh) {
2159	my ($path, $origin) = @$_;
2160	my $neigh = find $path, $origin
2161	or next;
2162	$neigh->load;
2163	}
2164	}
2165
2166	sub find_sync {	2322	sub find_sync {
2167	my ($path, $origin) = @_;	2323	my ($path, $origin) = @_;
2168		2324
2169	cf::sync_job { find $path, $origin }	2325	# it's a bug to call this from the main context
		2326	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2327	if $Coro::current == $Coro::main;
		2328
		2329	find $path, $origin
2170	}	2330	}
2171		2331
2172	sub do_load_sync {	2332	sub do_load_sync {
2173	my ($map) = @_;	2333	my ($map) = @_;
2174		2334
		2335	# it's a bug to call this from the main context
2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2336	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2176	if $Coro::current == $Coro::main;	2337	if $Coro::current == $Coro::main;
2177		2338
2178	cf::sync_job { $map->load };	2339	$map->load;
2179	}	2340	}
2180		2341
2181	our %MAP_PREFETCH;	2342	our %MAP_PREFETCH;
2182	our $MAP_PREFETCHER = undef;	2343	our $MAP_PREFETCHER = undef;
2183		2344
2184	sub find_async {	2345	sub find_async {
2185	my ($path, $origin, $load) = @_;	2346	my ($path, $origin, $load) = @_;
2186		2347
2187	$path = normalise $path, $origin && $origin->{path};	2348	$path = normalise $path, $origin;
2188		2349
2189	if (my $map = $cf::MAP{$path}) {	2350	if (my $map = $cf::MAP{$path}) {
2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2351	return $map if !$load || $map->linkable;
2191	}	2352	}
2192		2353
2193	$MAP_PREFETCH{$path} |= $load;	2354	$MAP_PREFETCH{$path} |= $load;
2194		2355
2195	$MAP_PREFETCHER ||= cf::async {	2356	$MAP_PREFETCHER ||= cf::async {
…		…
2209	$MAP_PREFETCHER->prio (6);	2370	$MAP_PREFETCHER->prio (6);
2210		2371
2211	()	2372	()
2212	}	2373	}
2213		2374
		2375	# common code, used by both ->save and ->swapout
2214	sub save {	2376	sub _save {
2215	my ($self) = @_;	2377	my ($self) = @_;
2216
2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
2218		2378
2219	$self->{last_save} = $cf::RUNTIME;	2379	$self->{last_save} = $cf::RUNTIME;
2220		2380
2221	return unless $self->dirty;	2381	return unless $self->dirty;
2222		2382
…		…
2242	} else {	2402	} else {
2243	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2403	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2244	}	2404	}
2245	}	2405	}
2246		2406
		2407	sub save {
		2408	my ($self) = @_;
		2409
		2410	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2411
		2412	$self->_save;
		2413	}
		2414
2247	sub swap_out {	2415	sub swap_out {
2248	my ($self) = @_;	2416	my ($self) = @_;
2249		2417
2250	# save first because save cedes
2251	$self->save;
2252
2253	my $lock = cf::lock_acquire "map_data:$self->{path}";	2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
2254		2419
		2420	return if !$self->linkable;
		2421	return if $self->{deny_save};
2255	return if $self->players;	2422	return if $self->players;
2256	return if $self->in_memory != cf::MAP_ACTIVE;	2423
		2424	# first deactivate the map and "unlink" it from the core
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
		2427	$self->state (cf::MAP_SWAPPED);
		2428
		2429	# then atomically save
		2430	$self->_save;
		2431
		2432	# then free the map
		2433	$self->clear;
		2434	}
		2435
		2436	sub reset_at {
		2437	my ($self) = @_;
		2438
		2439	# TODO: safety, remove and allow resettable per-player maps
2257	return if $self->{deny_save};	2440	return 1e99 if $self->{deny_reset};
2258		2441
		2442	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2443	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2444
		2445	$time + $to
		2446	}
		2447
		2448	sub should_reset {
		2449	my ($self) = @_;
		2450
		2451	$self->reset_at <= $cf::RUNTIME
		2452	}
		2453
		2454	sub reset {
		2455	my ($self) = @_;
		2456
		2457	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2458
		2459	return if $self->players;
		2460
		2461	cf::trace "resetting map ", $self->path, "\n";
		2462
2259	$self->in_memory (cf::MAP_SWAPPED);	2463	$self->state (cf::MAP_SWAPPED);
		2464
		2465	# need to save uniques path
		2466	unless ($self->{deny_save}) {
		2467	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2468
		2469	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2470	if $uniq;
		2471	}
		2472
		2473	delete $cf::MAP{$self->path};
2260		2474
2261	$self->deactivate;	2475	$self->deactivate;
2262	$_->clear_links_to ($self) for values %cf::MAP;	2476	$_->clear_links_to ($self) for values %cf::MAP;
2263	$self->clear;	2477	$self->clear;
2264	}
2265
2266	sub reset_at {
2267	my ($self) = @_;
2268
2269	# TODO: safety, remove and allow resettable per-player maps
2270	return 1e99 if $self->{deny_reset};
2271
2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2274
2275	$time + $to
2276	}
2277
2278	sub should_reset {
2279	my ($self) = @_;
2280
2281	$self->reset_at <= $cf::RUNTIME
2282	}
2283
2284	sub reset {
2285	my ($self) = @_;
2286
2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
2288
2289	return if $self->players;
2290
2291	warn "resetting map ", $self->path;
2292
2293	$self->in_memory (cf::MAP_SWAPPED);
2294
2295	# need to save uniques path
2296	unless ($self->{deny_save}) {
2297	my $uniq = $self->uniq_path; utf8::encode $uniq;
2298
2299	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2300	if $uniq;
2301	}
2302
2303	delete $cf::MAP{$self->path};
2304
2305	$self->deactivate;
2306	$_->clear_links_to ($self) for values %cf::MAP;
2307	$self->clear;
2308		2478
2309	$self->unlink_save;	2479	$self->unlink_save;
2310	$self->destroy;	2480	$self->destroy;
2311	}	2481	}
2312		2482
…		…
2320		2490
2321	delete $cf::MAP{$self->path};	2491	delete $cf::MAP{$self->path};
2322		2492
2323	$self->unlink_save;	2493	$self->unlink_save;
2324		2494
2325	bless $self, "cf::map";	2495	bless $self, "cf::map::wrap";
2326	delete $self->{deny_reset};	2496	delete $self->{deny_reset};
2327	$self->{deny_save} = 1;	2497	$self->{deny_save} = 1;
2328	$self->reset_timeout (1);	2498	$self->reset_timeout (1);
2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2499	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2330		2500
…		…
2387	: normalise $_	2557	: normalise $_
2388	} @{ aio_readdir $UNIQUEDIR or [] }	2558	} @{ aio_readdir $UNIQUEDIR or [] }
2389	]	2559	]
2390	}	2560	}
2391		2561
		2562	=item cf::map::static_maps
		2563
		2564	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2565	file in the shared directory excluding F</styles> and F</editor>). May
		2566	block.
		2567
		2568	=cut
		2569
		2570	sub static_maps() {
		2571	my @dirs = "";
		2572	my @maps;
		2573
		2574	while (@dirs) {
		2575	my $dir = shift @dirs;
		2576
		2577	next if $dir eq "/styles" || $dir eq "/editor";
		2578
		2579	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2580	or return;
		2581
		2582	for (@$files) {
		2583	s/\.map$// or next;
		2584	utf8::decode $_;
		2585	push @maps, "$dir/$_";
		2586	}
		2587
		2588	push @dirs, map "$dir/$_", @$dirs;
		2589	}
		2590
		2591	\@maps
		2592	}
		2593
2392	=back	2594	=back
2393		2595
2394	=head3 cf::object	2596	=head3 cf::object
2395		2597
2396	=cut	2598	=cut
…		…
2457	can be C<undef>. Does the right thing when the player is currently in a	2659	can be C<undef>. Does the right thing when the player is currently in a
2458	dialogue with the given NPC character.	2660	dialogue with the given NPC character.
2459		2661
2460	=cut	2662	=cut
2461		2663
		2664	our $SAY_CHANNEL = {
		2665	id => "say",
		2666	title => "Map",
		2667	reply => "say ",
		2668	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2669	};
		2670
		2671	our $CHAT_CHANNEL = {
		2672	id => "chat",
		2673	title => "Chat",
		2674	reply => "chat ",
		2675	tooltip => "Player chat and shouts, global to the server.",
		2676	};
		2677
2462	# rough implementation of a future "reply" method that works	2678	# rough implementation of a future "reply" method that works
2463	# with dialog boxes.	2679	# with dialog boxes.
2464	#TODO: the first argument must go, split into a $npc->reply_to ( method	2680	#TODO: the first argument must go, split into a $npc->reply_to ( method
2465	sub cf::object::player::reply($$$;$) {	2681	sub cf::object::player::reply($$$;$) {
2466	my ($self, $npc, $msg, $flags) = @_;	2682	my ($self, $npc, $msg, $flags) = @_;
…		…
2477	my $dialog = $pl->{npc_dialog};	2693	my $dialog = $pl->{npc_dialog};
2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2694	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2479		2695
2480	} else {	2696	} else {
2481	$msg = $npc->name . " says: $msg" if $npc;	2697	$msg = $npc->name . " says: $msg" if $npc;
2482	$self->message ($msg, $flags);	2698	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2483	}	2699	}
2484	}	2700	}
2485	}	2701	}
2486		2702
2487	=item $object->send_msg ($channel, $msg, $color, [extra...])	2703	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2512		2728
2513	=item $player_object->enter_link	2729	=item $player_object->enter_link
2514		2730
2515	Freezes the player and moves him/her to a special map (C<{link}>).	2731	Freezes the player and moves him/her to a special map (C<{link}>).
2516		2732
2517	The player should be reasonably safe there for short amounts of time. You	2733	The player should be reasonably safe there for short amounts of time (e.g.
2518	I<MUST> call C<leave_link> as soon as possible, though.	2734	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2735	though, as the player cannot control the character while it is on the link
		2736	map.
2519		2737
2520	Will never block.	2738	Will never block.
2521		2739
2522	=item $player_object->leave_link ($map, $x, $y)	2740	=item $player_object->leave_link ($map, $x, $y)
2523		2741
…		…
2543	sub cf::object::player::enter_link {	2761	sub cf::object::player::enter_link {
2544	my ($self) = @_;	2762	my ($self) = @_;
2545		2763
2546	$self->deactivate_recursive;	2764	$self->deactivate_recursive;
2547		2765
		2766	++$self->{_link_recursion};
		2767
2548	return if UNIVERSAL::isa $self->map, "ext::map_link";	2768	return if UNIVERSAL::isa $self->map, "ext::map_link";
2549		2769
2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2551	if $self->map && $self->map->{path} ne "{link}";	2771	if $self->map && $self->map->{path} ne "{link}";
2552		2772
2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2773	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2554	}	2774	}
2555		2775
2556	sub cf::object::player::leave_link {	2776	sub cf::object::player::leave_link {
2557	my ($self, $map, $x, $y) = @_;	2777	my ($self, $map, $x, $y) = @_;
2558		2778
…		…
2575	($x, $y) = (-1, -1)	2795	($x, $y) = (-1, -1)
2576	unless (defined $x) && (defined $y);	2796	unless (defined $x) && (defined $y);
2577		2797
2578	# use -1 or undef as default coordinates, not 0, 0	2798	# use -1 or undef as default coordinates, not 0, 0
2579	($x, $y) = ($map->enter_x, $map->enter_y)	2799	($x, $y) = ($map->enter_x, $map->enter_y)
2580	if $x <=0 && $y <= 0;	2800	if $x <= 0 && $y <= 0;
2581		2801
2582	$map->load;	2802	$map->load;
2583	$map->load_neighbours;
2584		2803
2585	return unless $self->contr->active;	2804	return unless $self->contr->active;
2586	$self->activate_recursive;
2587		2805
2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2806	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2589	$self->enter_map ($map, $x, $y);	2807	if ($self->enter_map ($map, $x, $y)) {
2590	}	2808	# entering was successful
		2809	delete $self->{_link_recursion};
		2810	# only activate afterwards, to support waiting in hooks
		2811	$self->activate_recursive;
		2812	}
2591		2813
		2814	}
		2815
2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2816	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2593		2817
2594	Moves the player to the given map-path and coordinates by first freezing	2818	Moves the player to the given map-path and coordinates by first freezing
2595	her, loading and preparing them map, calling the provided $check callback	2819	her, loading and preparing them map, calling the provided $check callback
2596	that has to return the map if sucecssful, and then unfreezes the player on	2820	that has to return the map if sucecssful, and then unfreezes the player on
2597	the new (success) or old (failed) map position. In either case, $done will	2821	the new (success) or old (failed) map position. In either case, $done will
2598	be called at the end of this process.	2822	be called at the end of this process.
2599		2823
		2824	Note that $check will be called with a potentially non-loaded map, so if
		2825	it needs a loaded map it has to call C<< ->load >>.
		2826
2600	=cut	2827	=cut
2601		2828
2602	our $GOTOGEN;	2829	our $GOTOGEN;
2603		2830
2604	sub cf::object::player::goto {	2831	sub cf::object::player::goto {
2605	my ($self, $path, $x, $y, $check, $done) = @_;	2832	my ($self, $path, $x, $y, $check, $done) = @_;
		2833
		2834	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2835	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2836	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2837	($path, $x, $y) = @$EMERGENCY_POSITION;
		2838	}
2606		2839
2607	# do generation counting so two concurrent goto's will be executed in-order	2840	# do generation counting so two concurrent goto's will be executed in-order
2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2841	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2609		2842
2610	$self->enter_link;	2843	$self->enter_link;
…		…
2630	($path, $x, $y) = (undef, undef, undef);	2863	($path, $x, $y) = (undef, undef, undef);
2631	}	2864	}
2632	}	2865	}
2633		2866
2634	my $map = eval {	2867	my $map = eval {
2635	my $map = defined $path ? cf::map::find $path : undef;	2868	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2636		2869
2637	if ($map) {	2870	if ($map) {
2638	$map = $map->customise_for ($self);	2871	$map = $map->customise_for ($self);
2639	$map = $check->($map) if $check && $map;	2872	$map = $check->($map, $x, $y, $self) if $check && $map;
2640	} else {	2873	} else {
2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2874	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2642	}	2875	}
2643		2876
2644	$map	2877	$map
…		…
2652	if ($gen == $self->{_goto_generation}) {	2885	if ($gen == $self->{_goto_generation}) {
2653	delete $self->{_goto_generation};	2886	delete $self->{_goto_generation};
2654	$self->leave_link ($map, $x, $y);	2887	$self->leave_link ($map, $x, $y);
2655	}	2888	}
2656		2889
2657	$done->() if $done;	2890	$done->($self) if $done;
2658	})->prio (1);	2891	})->prio (1);
2659	}	2892	}
2660		2893
2661	=item $player_object->enter_exit ($exit_object)	2894	=item $player_object->enter_exit ($exit_object)
2662		2895
…		…
2682	}	2915	}
2683		2916
2684	sub prepare_random_map {	2917	sub prepare_random_map {
2685	my ($exit) = @_;	2918	my ($exit) = @_;
2686		2919
2687	my $guard = cf::lock_acquire "exit_prepare:$exit";
2688
2689	# all this does is basically replace the /! path by	2920	# all this does is basically replace the /! path by
2690	# a new random map path (?random/...) with a seed	2921	# a new random map path (?random/...) with a seed
2691	# that depends on the exit object	2922	# that depends on the exit object
2692		2923
2693	my $rmp = parse_random_map_params $exit->msg;	2924	my $rmp = parse_random_map_params $exit->msg;
…		…
2695	if ($exit->map) {	2926	if ($exit->map) {
2696	$rmp->{region} = $exit->region->name;	2927	$rmp->{region} = $exit->region->name;
2697	$rmp->{origin_map} = $exit->map->path;	2928	$rmp->{origin_map} = $exit->map->path;
2698	$rmp->{origin_x} = $exit->x;	2929	$rmp->{origin_x} = $exit->x;
2699	$rmp->{origin_y} = $exit->y;	2930	$rmp->{origin_y} = $exit->y;
		2931
		2932	$exit->map->touch;
2700	}	2933	}
2701		2934
2702	$rmp->{random_seed} ||= $exit->random_seed;	2935	$rmp->{random_seed} ||= $exit->random_seed;
2703		2936
2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2937	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2709	aio_write $fh, 0, (length $data), $data, 0;	2942	aio_write $fh, 0, (length $data), $data, 0;
2710	undef $fh;	2943	undef $fh;
2711	aio_rename "$meta~", $meta;	2944	aio_rename "$meta~", $meta;
2712		2945
		2946	my $slaying = "?random/$md5";
		2947
		2948	if ($exit->valid) {
2713	$exit->slaying ("?random/$md5");	2949	$exit->slaying ("?random/$md5");
2714	$exit->msg (undef);	2950	$exit->msg (undef);
		2951	}
2715	}	2952	}
2716	}	2953	}
2717		2954
2718	sub cf::object::player::enter_exit {	2955	sub cf::object::player::enter_exit {
2719	my ($self, $exit) = @_;	2956	my ($self, $exit) = @_;
2720		2957
2721	return unless $self->type == cf::PLAYER;	2958	return unless $self->type == cf::PLAYER;
2722		2959
2723	if ($exit->slaying eq "/!") {
2724	#TODO: this should de-fi-ni-te-ly not be a sync-job
2725	# the problem is that $exit might not survive long enough
2726	# so it needs to be done right now, right here
2727	cf::sync_job { prepare_random_map $exit };
2728	}
2729
2730	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2731	my $hp = $exit->stats->hp;
2732	my $sp = $exit->stats->sp;
2733
2734	$self->enter_link;	2960	$self->enter_link;
2735		2961
2736	# if exit is damned, update players death & WoR home-position
2737	$self->contr->savebed ($slaying, $hp, $sp)
2738	if $exit->flag (FLAG_DAMNED);
2739
2740	(async {	2962	(async {
2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2963	$Coro::current->{desc} = "enter_exit";
2742		2964
2743	$self->deactivate_recursive; # just to be sure
2744	unless (eval {	2965	unless (eval {
		2966	$self->deactivate_recursive; # just to be sure
		2967
		2968	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2969	my $x = $exit->stats->hp;
		2970	my $y = $exit->stats->sp;
		2971
		2972	# special map handling
		2973	my $slaying = $exit->slaying;
		2974
		2975	# special map handling
		2976	if ($slaying eq "/!") {
		2977	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2978
		2979	prepare_random_map $exit
		2980	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2981
		2982	$map = $exit->slaying;
		2983
		2984	} elsif ($slaying eq '!up') {
		2985	$map = $exit->map->tile_path (cf::TILE_UP);
		2986	$x = $exit->x;
		2987	$y = $exit->y;
		2988
		2989	} elsif ($slaying eq '!down') {
		2990	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2991	$x = $exit->x;
		2992	$y = $exit->y;
		2993	}
		2994
2745	$self->goto ($slaying, $hp, $sp);	2995	$self->goto ($map, $x, $y);
2746		2996
		2997	# if exit is damned, update players death & WoR home-position
		2998	$self->contr->savebed ($map, $x, $y)
		2999	if $exit->flag (cf::FLAG_DAMNED);
		3000
2747	1;	3001	1
2748	}) {	3002	}) {
2749	$self->message ("Something went wrong deep within the crossfire server. "	3003	$self->message ("Something went wrong deep within the deliantra server. "
2750	. "I'll try to bring you back to the map you were before. "	3004	. "I'll try to bring you back to the map you were before. "
2751	. "Please report this to the dungeon master!",	3005	. "Please report this to the dungeon master!",
2752	cf::NDI_UNIQUE | cf::NDI_RED);	3006	cf::NDI_UNIQUE | cf::NDI_RED);
2753		3007
2754	warn "ERROR in enter_exit: $@";	3008	error "ERROR in enter_exit: $@";
2755	$self->leave_link;	3009	$self->leave_link;
2756	}	3010	}
2757	})->prio (1);	3011	})->prio (1);
2758	}	3012	}
2759		3013
…		…
2771	sub cf::client::send_drawinfo {	3025	sub cf::client::send_drawinfo {
2772	my ($self, $text, $flags) = @_;	3026	my ($self, $text, $flags) = @_;
2773		3027
2774	utf8::encode $text;	3028	utf8::encode $text;
2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3029	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3030	}
		3031
		3032	=item $client->send_big_packet ($pkt)
		3033
		3034	Like C<send_packet>, but tries to compress large packets, and fragments
		3035	them as required.
		3036
		3037	=cut
		3038
		3039	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3040
		3041	sub cf::client::send_big_packet {
		3042	my ($self, $pkt) = @_;
		3043
		3044	# try lzf for large packets
		3045	$pkt = "lzf " . Compress::LZF::compress $pkt
		3046	if 1024 <= length $pkt and $self->{can_lzf};
		3047
		3048	# split very large packets
		3049	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3050	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3051	$pkt = "frag";
		3052	}
		3053
		3054	$self->send_packet ($pkt);
2776	}	3055	}
2777		3056
2778	=item $client->send_msg ($channel, $msg, $color, [extra...])	3057	=item $client->send_msg ($channel, $msg, $color, [extra...])
2779		3058
2780	Send a drawinfo or msg packet to the client, formatting the msg for the	3059	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2784		3063
2785	=cut	3064	=cut
2786		3065
2787	# non-persistent channels (usually the info channel)	3066	# non-persistent channels (usually the info channel)
2788	our %CHANNEL = (	3067	our %CHANNEL = (
		3068	"c/motd" => {
		3069	id => "infobox",
		3070	title => "MOTD",
		3071	reply => undef,
		3072	tooltip => "The message of the day",
		3073	},
2789	"c/identify" => {	3074	"c/identify" => {
2790	id => "infobox",	3075	id => "infobox",
2791	title => "Identify",	3076	title => "Identify",
2792	reply => undef,	3077	reply => undef,
2793	tooltip => "Items recently identified",	3078	tooltip => "Items recently identified",
…		…
2795	"c/examine" => {	3080	"c/examine" => {
2796	id => "infobox",	3081	id => "infobox",
2797	title => "Examine",	3082	title => "Examine",
2798	reply => undef,	3083	reply => undef,
2799	tooltip => "Signs and other items you examined",	3084	tooltip => "Signs and other items you examined",
		3085	},
		3086	"c/shopinfo" => {
		3087	id => "infobox",
		3088	title => "Shop Info",
		3089	reply => undef,
		3090	tooltip => "What your bargaining skill tells you about the shop",
2800	},	3091	},
2801	"c/book" => {	3092	"c/book" => {
2802	id => "infobox",	3093	id => "infobox",
2803	title => "Book",	3094	title => "Book",
2804	reply => undef,	3095	reply => undef,
…		…
2820	id => "infobox",	3111	id => "infobox",
2821	title => "Body Parts",	3112	title => "Body Parts",
2822	reply => undef,	3113	reply => undef,
2823	tooltip => "Shows which body parts you posess and are available",	3114	tooltip => "Shows which body parts you posess and are available",
2824	},	3115	},
		3116	"c/statistics" => {
		3117	id => "infobox",
		3118	title => "Statistics",
		3119	reply => undef,
		3120	tooltip => "Shows your primary statistics",
		3121	},
		3122	"c/skills" => {
		3123	id => "infobox",
		3124	title => "Skills",
		3125	reply => undef,
		3126	tooltip => "Shows your experience per skill and item power",
		3127	},
		3128	"c/shopitems" => {
		3129	id => "infobox",
		3130	title => "Shop Items",
		3131	reply => undef,
		3132	tooltip => "Shows the items currently for sale in this shop",
		3133	},
		3134	"c/resistances" => {
		3135	id => "infobox",
		3136	title => "Resistances",
		3137	reply => undef,
		3138	tooltip => "Shows your resistances",
		3139	},
		3140	"c/pets" => {
		3141	id => "infobox",
		3142	title => "Pets",
		3143	reply => undef,
		3144	tooltip => "Shows information abotu your pets/a specific pet",
		3145	},
		3146	"c/perceiveself" => {
		3147	id => "infobox",
		3148	title => "Perceive Self",
		3149	reply => undef,
		3150	tooltip => "You gained detailed knowledge about yourself",
		3151	},
2825	"c/uptime" => {	3152	"c/uptime" => {
2826	id => "infobox",	3153	id => "infobox",
2827	title => "Uptime",	3154	title => "Uptime",
2828	reply => undef,	3155	reply => undef,
2829	tooltip => "How long the server has been running since last restart",	3156	tooltip => "How long the server has been running since last restart",
…		…
2832	id => "infobox",	3159	id => "infobox",
2833	title => "Map Info",	3160	title => "Map Info",
2834	reply => undef,	3161	reply => undef,
2835	tooltip => "Information related to the maps",	3162	tooltip => "Information related to the maps",
2836	},	3163	},
		3164	"c/party" => {
		3165	id => "party",
		3166	title => "Party",
		3167	reply => "gsay ",
		3168	tooltip => "Messages and chat related to your party",
		3169	},
		3170	"c/death" => {
		3171	id => "death",
		3172	title => "Death",
		3173	reply => undef,
		3174	tooltip => "Reason for and more info about your most recent death",
		3175	},
		3176	"c/say" => $SAY_CHANNEL,
		3177	"c/chat" => $CHAT_CHANNEL,
2837	);	3178	);
2838		3179
2839	sub cf::client::send_msg {	3180	sub cf::client::send_msg {
2840	my ($self, $channel, $msg, $color, @extra) = @_;	3181	my ($self, $channel, $msg, $color, @extra) = @_;
2841		3182
2842	$msg = $self->pl->expand_cfpod ($msg);	3183	$msg = $self->pl->expand_cfpod ($msg)
		3184	unless $color & cf::NDI_VERBATIM;
2843		3185
2844	$color &= cf::NDI_CLIENT_MASK; # just in case...	3186	$color &= cf::NDI_CLIENT_MASK; # just in case...
2845		3187
2846	# check predefined channels, for the benefit of C	3188	# check predefined channels, for the benefit of C
2847	if ($CHANNEL{$channel}) {	3189	if ($CHANNEL{$channel}) {
2848	$channel = $CHANNEL{$channel};	3190	$channel = $CHANNEL{$channel};
2849		3191
2850	$self->ext_msg (channel_info => $channel)	3192	$self->ext_msg (channel_info => $channel);
2851	if $self->can_msg;
2852
2853	$channel = $channel->{id};	3193	$channel = $channel->{id};
2854		3194
2855	} elsif (ref $channel) {	3195	} elsif (ref $channel) {
2856	# send meta info to client, if not yet sent	3196	# send meta info to client, if not yet sent
2857	unless (exists $self->{channel}{$channel->{id}}) {	3197	unless (exists $self->{channel}{$channel->{id}}) {
2858	$self->{channel}{$channel->{id}} = $channel;	3198	$self->{channel}{$channel->{id}} = $channel;
2859	$self->ext_msg (channel_info => $channel)	3199	$self->ext_msg (channel_info => $channel);
2860	if $self->can_msg;
2861	}	3200	}
2862		3201
2863	$channel = $channel->{id};	3202	$channel = $channel->{id};
2864	}	3203	}
2865		3204
2866	return unless @extra || length $msg;	3205	return unless @extra || length $msg;
2867		3206
2868	if ($self->can_msg) {
2869	# default colour, mask it out	3207	# default colour, mask it out
2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3208	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2871	if $color & cf::NDI_DEF;	3209	if $color & cf::NDI_DEF;
2872		3210
2873	$self->send_packet ("msg " . $self->{json_coder}->encode (	3211	my $pkt = "msg "
		3212	. $self->{json_coder}->encode (
2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3213	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2875	} else {	3214	);
2876	if ($color >= 0) {
2877	# replace some tags by gcfclient-compatible ones
2878	for ($msg) {
2879	1 while
2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2885	}
2886		3215
2887	$color &= cf::NDI_COLOR_MASK;	3216	$self->send_big_packet ($pkt);
2888
2889	utf8::encode $msg;
2890
2891	if (0 && $msg =~ /\[/) {
2892	# COMMAND/INFO
2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
2894	} else {
2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2896	$self->send_packet ("drawinfo $color $msg")
2897	}
2898	}
2899	}
2900	}	3217	}
2901		3218
2902	=item $client->ext_msg ($type, @msg)	3219	=item $client->ext_msg ($type, @msg)
2903		3220
2904	Sends an ext event to the client.	3221	Sends an ext event to the client.
…		…
2906	=cut	3223	=cut
2907		3224
2908	sub cf::client::ext_msg($$@) {	3225	sub cf::client::ext_msg($$@) {
2909	my ($self, $type, @msg) = @_;	3226	my ($self, $type, @msg) = @_;
2910		3227
2911	if ($self->extcmd == 2) {
2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2913	} elsif ($self->extcmd == 1) { # TODO: remove
2914	push @msg, msgtype => "event_$type";
2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2916	}
2917	}
2918
2919	=item $client->ext_reply ($msgid, @msg)
2920
2921	Sends an ext reply to the client.
2922
2923	=cut
2924
2925	sub cf::client::ext_reply($$@) {
2926	my ($self, $id, @msg) = @_;
2927
2928	if ($self->extcmd == 2) {
2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2930	} elsif ($self->extcmd == 1) {
2931	#TODO: version 1, remove
2932	unshift @msg, msgtype => "reply", msgid => $id;
2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2934	}
2935	}	3229	}
2936		3230
2937	=item $success = $client->query ($flags, "text", \&cb)	3231	=item $success = $client->query ($flags, "text", \&cb)
2938		3232
2939	Queues a query to the client, calling the given callback with	3233	Queues a query to the client, calling the given callback with
…		…
2994	my ($ns, $buf) = @_;	3288	my ($ns, $buf) = @_;
2995		3289
2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3290	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2997		3291
2998	if (ref $msg) {	3292	if (ref $msg) {
2999	my ($type, $reply, @payload) =	3293	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3000	"ARRAY" eq ref $msg
3001	? @$msg
3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3003		3294
3004	my @reply;	3295	my @reply;
3005		3296
3006	if (my $cb = $EXTICMD{$type}) {	3297	if (my $cb = $EXTICMD{$type}) {
3007	@reply = $cb->($ns, @payload);	3298	@reply = $cb->($ns, @payload);
3008	}	3299	}
3009		3300
3010	$ns->ext_reply ($reply, @reply)	3301	$ns->ext_msg ("reply-$reply", @reply)
3011	if $reply;	3302	if $reply;
3012		3303
3013	} else {	3304	} else {
3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3305	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3015	}	3306	}
3016		3307
3017	cf::override;	3308	cf::override;
3018	},	3309	},
3019	);	3310	);
…		…
3039		3330
3040	$coro	3331	$coro
3041	}	3332	}
3042		3333
3043	cf::client->attach (	3334	cf::client->attach (
3044	on_destroy => sub {	3335	on_client_destroy => sub {
3045	my ($ns) = @_;	3336	my ($ns) = @_;
3046		3337
3047	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3338	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3048	},	3339	},
3049	);	3340	);
…		…
3065	our $safe_hole = new Safe::Hole;	3356	our $safe_hole = new Safe::Hole;
3066		3357
3067	$SIG{FPE} = 'IGNORE';	3358	$SIG{FPE} = 'IGNORE';
3068		3359
3069	$safe->permit_only (Opcode::opset qw(	3360	$safe->permit_only (Opcode::opset qw(
3070	:base_core :base_mem :base_orig :base_math	3361	:base_core :base_mem :base_orig :base_math :base_loop
3071	grepstart grepwhile mapstart mapwhile	3362	grepstart grepwhile mapstart mapwhile
3072	sort time	3363	sort time
3073	));	3364	));
3074		3365
3075	# here we export the classes and methods available to script code	3366	# here we export the classes and methods available to script code
…		…
3078		3369
3079	The following functions and methods are available within a safe environment:	3370	The following functions and methods are available within a safe environment:
3080		3371
3081	cf::object	3372	cf::object
3082	contr pay_amount pay_player map x y force_find force_add destroy	3373	contr pay_amount pay_player map x y force_find force_add destroy
3083	insert remove name archname title slaying race decrease_ob_nr	3374	insert remove name archname title slaying race decrease split
		3375	value
3084		3376
3085	cf::object::player	3377	cf::object::player
3086	player	3378	player
3087		3379
3088	cf::player	3380	cf::player
…		…
3093		3385
3094	=cut	3386	=cut
3095		3387
3096	for (	3388	for (
3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3389	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3098	insert remove inv name archname title slaying race	3390	insert remove inv nrof name archname title slaying race
3099	decrease_ob_nr destroy)],	3391	decrease split destroy change_exp value msg lore send_msg)],
3100	["cf::object::player" => qw(player)],	3392	["cf::object::player" => qw(player)],
3101	["cf::player" => qw(peaceful)],	3393	["cf::player" => qw(peaceful send_msg)],
3102	["cf::map" => qw(trigger)],	3394	["cf::map" => qw(trigger)],
3103	) {	3395	) {
3104	no strict 'refs';
3105	my ($pkg, @funs) = @$_;	3396	my ($pkg, @funs) = @$_;
3106	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3397	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3107	for @funs;	3398	for @funs;
3108	}	3399	}
3109		3400
…		…
3124		3415
3125	my $qcode = $code;	3416	my $qcode = $code;
3126	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3417	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3127	$qcode =~ s/\n/\\n/g;	3418	$qcode =~ s/\n/\\n/g;
3128		3419
		3420	%vars = (_dummy => 0) unless %vars;
		3421
		3422	my @res;
3129	local $_;	3423	local $_;
3130	local @safe::cf::_safe_eval_args = values %vars;
3131		3424
3132	my $eval =	3425	my $eval =
3133	"do {\n"	3426	"do {\n"
3134	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3427	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3135	. "#line 0 \"{$qcode}\"\n"	3428	. "#line 0 \"{$qcode}\"\n"
3136	. $code	3429	. $code
3137	. "\n}"	3430	. "\n}"
3138	;	3431	;
3139		3432
		3433	if ($CFG{safe_eval}) {
3140	sub_generation_inc;	3434	sub_generation_inc;
		3435	local @safe::cf::_safe_eval_args = values %vars;
3141	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3436	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3142	sub_generation_inc;	3437	sub_generation_inc;
		3438	} else {
		3439	local @cf::_safe_eval_args = values %vars;
		3440	@res = wantarray ? eval eval : scalar eval $eval;
		3441	}
3143		3442
3144	if ($@) {	3443	if ($@) {
3145	warn "$@";	3444	warn "$@",
3146	warn "while executing safe code '$code'\n";	3445	"while executing safe code '$code'\n",
3147	warn "with arguments " . (join " ", %vars) . "\n";	3446	"with arguments " . (join " ", %vars) . "\n";
3148	}	3447	}
3149		3448
3150	wantarray ? @res : $res[0]	3449	wantarray ? @res : $res[0]
3151	}	3450	}
3152		3451
…		…
3166	=cut	3465	=cut
3167		3466
3168	sub register_script_function {	3467	sub register_script_function {
3169	my ($fun, $cb) = @_;	3468	my ($fun, $cb) = @_;
3170		3469
3171	no strict 'refs';	3470	$fun = "safe::$fun" if $CFG{safe_eval};
3172	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3471	*$fun = $safe_hole->wrap ($cb);
3173	}	3472	}
3174		3473
3175	=back	3474	=back
3176		3475
3177	=cut	3476	=cut
3178		3477
3179	#############################################################################	3478	#############################################################################
3180	# the server's init and main functions	3479	# the server's init and main functions
		3480
		3481	our %FACEHASH; # hash => idx, #d# HACK for http server
		3482
		3483	# internal api, not fianlised
		3484	sub add_face {
		3485	my ($name, $type, $data) = @_;
		3486
		3487	my $idx = cf::face::find $name;
		3488
		3489	if ($idx) {
		3490	delete $FACEHASH{cf::face::get_chksum $idx};
		3491	} else {
		3492	$idx = cf::face::alloc $name;
		3493	}
		3494
		3495	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3496
		3497	cf::face::set_type $idx, $type;
		3498	cf::face::set_data $idx, 0, $data, $hash;
		3499	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3500	$FACEHASH{$hash} = $idx;#d#
		3501
		3502	$idx
		3503	}
3181		3504
3182	sub load_facedata($) {	3505	sub load_facedata($) {
3183	my ($path) = @_;	3506	my ($path) = @_;
3184		3507
3185	# HACK to clear player env face cache, we need some signal framework	3508	# HACK to clear player env face cache, we need some signal framework
3186	# for this (global event?)	3509	# for this (global event?)
3187	%ext::player_env::MUSIC_FACE_CACHE = ();	3510	%ext::player_env::MUSIC_FACE_CACHE = ();
3188		3511
3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3512	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3190		3513
3191	warn "loading facedata from $path\n";	3514	trace "loading facedata from $path\n";
3192		3515
3193	my $facedata;	3516	my $facedata = decode_storable load_file $path;
3194	0 < aio_load $path, $facedata
3195	or die "$path: $!";
3196
3197	$facedata = Coro::Storable::thaw $facedata;
3198		3517
3199	$facedata->{version} == 2	3518	$facedata->{version} == 2
3200	or cf::cleanup "$path: version mismatch, cannot proceed.";	3519	or cf::cleanup "$path: version mismatch, cannot proceed.";
3201		3520
3202	# patch in the exptable
3203	$facedata->{resource}{"res/exp_table"} = {
3204	type => FT_RSRC,
3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3206	};
3207	cf::cede_to_tick;	3521	cf::cede_to_tick;
3208		3522
3209	{	3523	{
3210	my $faces = $facedata->{faceinfo};	3524	my $faces = $facedata->{faceinfo};
3211		3525
3212	while (my ($face, $info) = each %$faces) {	3526	for my $face (sort keys %$faces) {
		3527	my $info = $faces->{$face};
3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3214		3529
3215	cf::face::set_visibility $idx, $info->{visibility};	3530	cf::face::set_visibility $idx, $info->{visibility};
3216	cf::face::set_magicmap $idx, $info->{magicmap};	3531	cf::face::set_magicmap $idx, $info->{magicmap};
3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3532	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3533	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3534	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3535	$FACEHASH{$info->{hash64}} = $idx;#d#
3219		3536
3220	cf::cede_to_tick;	3537	cf::cede_to_tick;
3221	}	3538	}
3222		3539
3223	while (my ($face, $info) = each %$faces) {	3540	while (my ($face, $info) = each %$faces) {
…		…
3228		3545
3229	if (my $smooth = cf::face::find $info->{smooth}) {	3546	if (my $smooth = cf::face::find $info->{smooth}) {
3230	cf::face::set_smooth $idx, $smooth;	3547	cf::face::set_smooth $idx, $smooth;
3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3548	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3232	} else {	3549	} else {
3233	warn "smooth face '$info->{smooth}' not found for face '$face'";	3550	error "smooth face '$info->{smooth}' not found for face '$face'";
3234	}	3551	}
3235		3552
3236	cf::cede_to_tick;	3553	cf::cede_to_tick;
3237	}	3554	}
3238	}	3555	}
…		…
3247		3564
3248	cf::anim::invalidate_all; # d'oh	3565	cf::anim::invalidate_all; # d'oh
3249	}	3566	}
3250		3567
3251	{	3568	{
3252	# TODO: for gcfclient pleasure, we should give resources
3253	# that gcfclient doesn't grok a >10000 face index.
3254	my $res = $facedata->{resource};	3569	my $res = $facedata->{resource};
3255		3570
3256	while (my ($name, $info) = each %$res) {	3571	while (my ($name, $info) = each %$res) {
3257	if (defined $info->{type}) {	3572	if (defined (my $type = $info->{type})) {
		3573	# TODO: different hash - must free and use new index, or cache ixface data queue
3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3574	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3259	my $data;
3260		3575
3261	if ($info->{type} & 1) {
3262	# prepend meta info
3263
3264	my $meta = $enc->encode ({
3265	name => $name,
3266	%{ $info->{meta} || {} },
3267	});
3268
3269	$data = pack "(w/a*)*", $meta, $info->{data};
3270	} else {
3271	$data = $info->{data};
3272	}
3273
3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3275	cf::face::set_type $idx, $info->{type};	3576	cf::face::set_type $idx, $type;
		3577	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3578	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3579	$FACEHASH{$info->{hash}} = $idx;#d#
3276	} else {	3580	} else {
3277	$RESOURCE{$name} = $info;	3581	# $RESOURCE{$name} = $info; # unused
3278	}	3582	}
3279		3583
3280	cf::cede_to_tick;	3584	cf::cede_to_tick;
3281	}	3585	}
3282	}	3586	}
3283		3587
3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3588	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3285		3589
3286	1	3590	1
3287	}	3591	}
3288
3289	cf::global->attach (on_resource_update => sub {
3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3292
3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3294	my $sound = $soundconf->{compat}[$_]
3295	or next;
3296
3297	my $face = cf::face::find "sound/$sound->[1]";
3298	cf::sound::set $sound->[0] => $face;
3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3300	}
3301
3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
3303	my $face = cf::face::find "sound/$v";
3304	cf::sound::set $k => $face;
3305	}
3306	}
3307	});
3308		3592
3309	register_exticmd fx_want => sub {	3593	register_exticmd fx_want => sub {
3310	my ($ns, $want) = @_;	3594	my ($ns, $want) = @_;
3311		3595
3312	while (my ($k, $v) = each %$want) {	3596	while (my ($k, $v) = each %$want) {
3313	$ns->fx_want ($k, $v);	3597	$ns->fx_want ($k, $v);
3314	}	3598	}
3315	};	3599	};
3316		3600
3317	sub load_resource_file($) {	3601	sub load_resource_file($) {
		3602	my $guard = lock_acquire "load_resource_file";
		3603
3318	my $status = load_resource_file_ $_[0];	3604	my $status = load_resource_file_ $_[0];
3319	get_slot 0.1, 100;	3605	get_slot 0.1, 100;
3320	cf::arch::commit_load;	3606	cf::arch::commit_load;
		3607
3321	$status	3608	$status
		3609	}
		3610
		3611	sub reload_exp_table {
		3612	_reload_exp_table;
		3613
		3614	add_face "res/exp_table" => FT_RSRC,
		3615	JSON::XS->new->utf8->canonical->encode (
		3616	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3617	);
		3618	}
		3619
		3620	sub reload_materials {
		3621	_reload_materials;
3322	}	3622	}
3323		3623
3324	sub reload_regions {	3624	sub reload_regions {
3325	# HACK to clear player env face cache, we need some signal framework	3625	# HACK to clear player env face cache, we need some signal framework
3326	# for this (global event?)	3626	# for this (global event?)
…		…
3341	}	3641	}
3342		3642
3343	sub reload_archetypes {	3643	sub reload_archetypes {
3344	load_resource_file "$DATADIR/archetypes"	3644	load_resource_file "$DATADIR/archetypes"
3345	or die "unable to load archetypes\n";	3645	or die "unable to load archetypes\n";
		3646
		3647	add_face "res/skill_info" => FT_RSRC,
		3648	JSON::XS->new->utf8->canonical->encode (
		3649	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3650	);
		3651	add_face "res/spell_paths" => FT_RSRC,
		3652	JSON::XS->new->utf8->canonical->encode (
		3653	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3654	);
3346	}	3655	}
3347		3656
3348	sub reload_treasures {	3657	sub reload_treasures {
3349	load_resource_file "$DATADIR/treasures"	3658	load_resource_file "$DATADIR/treasures"
3350	or die "unable to load treasurelists\n";	3659	or die "unable to load treasurelists\n";
3351	}	3660	}
3352		3661
		3662	sub reload_sound {
		3663	trace "loading sound config from $DATADIR/sound\n";
		3664
		3665	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3666
		3667	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3668	my $sound = $soundconf->{compat}[$_]
		3669	or next;
		3670
		3671	my $face = cf::face::find "sound/$sound->[1]";
		3672	cf::sound::set $sound->[0] => $face;
		3673	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3674	}
		3675
		3676	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3677	my $face = cf::face::find "sound/$v";
		3678	cf::sound::set $k => $face;
		3679	}
		3680	}
		3681
		3682	#d# move docstuff to help or so
		3683	our %DOCSTRING;
		3684
		3685	sub reload_pod {
		3686	trace "loading pods $PODDIR\n";
		3687
		3688	%DOCSTRING = ();
		3689	my @command_list;
		3690
		3691	for (
		3692	[0, "command_help"],
		3693	[1, "emote_help"],
		3694	[2, "dmcommand_help"],
		3695	) {
		3696	my ($type, $path) = @$_;
		3697
		3698	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3699	or die "unable to load $path";
		3700
		3701	my $level = 1e9;
		3702	my $rpar;
		3703
		3704	for my $par (@$paragraphs) {
		3705	if ($par->{type} eq "head2") {
		3706	# this code taken almost verbatim from DC/Protocol.pm
		3707
		3708	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3709	my $cmd = $1;
		3710	my @args = split /\|/, $2;
		3711	@args = (".*") unless @args;
		3712
		3713	$_ = $_ eq ".*" ? "" : " $_"
		3714	for @args;
		3715
		3716	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3717
		3718	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3719
		3720	push @command_list, [$type, \@variants];
		3721	$level = $par->{level};
		3722	} else {
		3723	error "$par->{markup}: unparsable command heading";
		3724	}
		3725	} elsif ($par->{level} > $level) {
		3726	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3727	}
		3728
		3729	cf::cede_to_tick;
		3730	}
		3731	}
		3732
		3733	@command_list = sort {
		3734	$a->[0] <=> $b->[0]
		3735	or $a->[1] cmp $b->[1]
		3736	} @command_list;
		3737
		3738	cf::cede_to_tick;
		3739
		3740	add_face "res/command_list" => FT_RSRC,
		3741	JSON::XS->new->utf8->encode (\@command_list);
		3742	}
		3743
3353	sub reload_resources {	3744	sub reload_resources {
3354	warn "reloading resource files...\n";	3745	trace "reloading resource files...\n";
3355		3746
		3747	reload_materials;
3356	reload_facedata;	3748	reload_facedata;
		3749	reload_exp_table;
		3750	reload_sound;
3357	reload_archetypes;	3751	reload_archetypes;
3358	reload_regions;	3752	reload_regions;
3359	reload_treasures;	3753	reload_treasures;
		3754	reload_pod;
3360		3755
3361	warn "finished reloading resource files\n";	3756	trace "finished reloading resource files\n";
3362	}
3363
3364	sub init {
3365	my $guard = freeze_mainloop;
3366
3367	reload_resources;
3368	}	3757	}
3369		3758
3370	sub reload_config {	3759	sub reload_config {
3371	open my $fh, "<:utf8", "$CONFDIR/config"	3760	trace "reloading config file...\n";
3372	or return;
3373		3761
3374	local $/;	3762	my $config = load_file "$CONFDIR/config";
3375	*CFG = YAML::Load <$fh>;	3763	utf8::decode $config;
		3764	*CFG = decode_yaml $config;
3376		3765
3377	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3766	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3378		3767
3379	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3768	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3380	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3769	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3381		3770
3382	if (exists $CFG{mlockall}) {	3771	if (exists $CFG{mlockall}) {
…		…
3386	};	3775	};
3387	warn $@ if $@;	3776	warn $@ if $@;
3388	}	3777	}
3389	}	3778	}
3390		3779
		3780	sub pidfile() {
		3781	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3782	or die "$PIDFILE: $!";
		3783	flock $fh, &Fcntl::LOCK_EX
		3784	or die "$PIDFILE: flock: $!";
		3785	$fh
		3786	}
		3787
		3788	# make sure only one server instance is running at any one time
		3789	sub atomic {
		3790	my $fh = pidfile;
		3791
		3792	my $pid = <$fh>;
		3793	kill 9, $pid if $pid > 0;
		3794
		3795	seek $fh, 0, 0;
		3796	print $fh $$;
		3797	}
		3798
		3799	sub main_loop {
		3800	trace "EV::loop starting\n";
		3801	if (1) {
		3802	EV::loop;
		3803	}
		3804	trace "EV::loop returned\n";
		3805	goto &main_loop unless $REALLY_UNLOOP;
		3806	}
		3807
3391	sub main {	3808	sub main {
		3809	cf::init_globals; # initialise logging
		3810
		3811	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3812	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3813	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3814	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3815
		3816	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3817
3392	# we must not ever block the main coroutine	3818	# we must not ever block the main coroutine
3393	local $Coro::idle = sub {	3819	$Coro::idle = sub {
3394	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3820	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3395	(async {	3821	(async {
3396	$Coro::current->{desc} = "IDLE BUG HANDLER";	3822	$Coro::current->{desc} = "IDLE BUG HANDLER";
3397	EV::loop EV::LOOP_ONESHOT;	3823	EV::loop EV::LOOP_ONESHOT;
3398	})->prio (Coro::PRIO_MAX);	3824	})->prio (Coro::PRIO_MAX);
3399	};	3825	};
3400		3826
3401	{	3827	evthread_start IO::AIO::poll_fileno;
3402	my $guard = freeze_mainloop;	3828
		3829	cf::sync_job {
		3830	cf::incloader::init ();
		3831
		3832	db_init;
		3833
		3834	cf::init_anim;
		3835	cf::init_attackmess;
		3836	cf::init_dynamic;
		3837
		3838	cf::load_settings;
		3839
		3840	reload_resources;
3403	reload_config;	3841	reload_config;
3404	db_init;	3842
		3843	cf::init_uuid;
		3844	cf::init_signals;
		3845	cf::init_skills;
		3846
		3847	cf::init_beforeplay;
		3848
		3849	atomic;
		3850
3405	load_extensions;	3851	load_extensions;
3406		3852
3407	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3853	utime time, time, $RUNTIMEFILE;
3408	evthread_start IO::AIO::poll_fileno;	3854
		3855	# no (long-running) fork's whatsoever before this point(!)
		3856	use POSIX ();
		3857	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3858
		3859	cf::_post_init 0;
3409	}	3860	};
3410		3861
3411	EV::loop;	3862	cf::object::thawer::errors_are_fatal 0;
		3863	info "parse errors in files are no longer fatal from this point on.\n";
		3864
		3865	AE::postpone {
		3866	undef &main; # free gobs of memory :)
		3867	};
		3868
		3869	goto &main_loop;
3412	}	3870	}
3413		3871
3414	#############################################################################	3872	#############################################################################
3415	# initialisation and cleanup	3873	# initialisation and cleanup
3416		3874
3417	# install some emergency cleanup handlers	3875	# install some emergency cleanup handlers
3418	BEGIN {	3876	BEGIN {
3419	our %SIGWATCHER = ();	3877	our %SIGWATCHER = ();
3420	for my $signal (qw(INT HUP TERM)) {	3878	for my $signal (qw(INT HUP TERM)) {
3421	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3879	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3422	cf::cleanup "SIG$signal";	3880	cf::cleanup "SIG$signal";
3423	};	3881	};
3424	}	3882	}
3425	}	3883	}
3426		3884
3427	sub write_runtime_sync {	3885	sub write_runtime_sync {
3428	my $runtime = "$LOCALDIR/runtime";	3886	my $t0 = AE::time;
3429		3887
3430	# first touch the runtime file to show we are still running:	3888	# first touch the runtime file to show we are still running:
3431	# the fsync below can take a very very long time.	3889	# the fsync below can take a very very long time.
3432		3890
3433	IO::AIO::aio_utime $runtime, undef, undef;	3891	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3434		3892
3435	my $guard = cf::lock_acquire "write_runtime";	3893	my $guard = cf::lock_acquire "write_runtime";
3436		3894
3437	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3895	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3438	or return;	3896	or return;
3439		3897
3440	my $value = $cf::RUNTIME + 90 + 10;	3898	my $value = $cf::RUNTIME + 90 + 10;
3441	# 10 is the runtime save interval, for a monotonic clock	3899	# 10 is the runtime save interval, for a monotonic clock
3442	# 60 allows for the watchdog to kill the server.	3900	# 60 allows for the watchdog to kill the server.
…		…
3452	aio_utime $fh, undef, undef;	3910	aio_utime $fh, undef, undef;
3453		3911
3454	close $fh	3912	close $fh
3455	or return;	3913	or return;
3456		3914
3457	aio_rename "$runtime~", $runtime	3915	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3458	and return;	3916	and return;
3459		3917
3460	warn "runtime file written.\n";	3918	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3461		3919
3462	1	3920	1
3463	}	3921	}
3464		3922
3465	our $uuid_lock;	3923	our $uuid_lock;
…		…
3474	my $uuid = "$LOCALDIR/uuid";	3932	my $uuid = "$LOCALDIR/uuid";
3475		3933
3476	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3934	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3477	or return;	3935	or return;
3478		3936
3479	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3937	my $value = uuid_seq uuid_cur;
		3938
		3939	unless ($value) {
		3940	info "cowardly refusing to write zero uuid value!\n";
		3941	return;
		3942	}
		3943
		3944	my $value = uuid_str $value + $uuid_skip;
3480	$uuid_skip = 0;	3945	$uuid_skip = 0;
3481		3946
3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3947	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3483	and return;	3948	and return;
3484		3949
…		…
3490	or return;	3955	or return;
3491		3956
3492	aio_rename "$uuid~", $uuid	3957	aio_rename "$uuid~", $uuid
3493	and return;	3958	and return;
3494		3959
3495	warn "uuid file written ($value).\n";	3960	trace "uuid file written ($value).\n";
3496		3961
3497	1	3962	1
3498		3963
3499	}	3964	}
3500		3965
…		…
3506	}	3971	}
3507		3972
3508	sub emergency_save() {	3973	sub emergency_save() {
3509	my $freeze_guard = cf::freeze_mainloop;	3974	my $freeze_guard = cf::freeze_mainloop;
3510		3975
3511	warn "enter emergency perl save\n";	3976	info "emergency_perl_save: enter\n";
		3977
		3978	# this is a trade-off: we want to be very quick here, so
		3979	# save all maps without fsync, and later call a global sync
		3980	# (which in turn might be very very slow)
		3981	local $USE_FSYNC = 0;
3512		3982
3513	cf::sync_job {	3983	cf::sync_job {
		3984	cf::write_runtime_sync; # external watchdog should not bark
		3985
3514	# use a peculiar iteration method to avoid tripping on perl	3986	# use a peculiar iteration method to avoid tripping on perl
3515	# refcount bugs in for. also avoids problems with players	3987	# refcount bugs in for. also avoids problems with players
3516	# and maps saved/destroyed asynchronously.	3988	# and maps saved/destroyed asynchronously.
3517	warn "begin emergency player save\n";	3989	info "emergency_perl_save: begin player save\n";
3518	for my $login (keys %cf::PLAYER) {	3990	for my $login (keys %cf::PLAYER) {
3519	my $pl = $cf::PLAYER{$login} or next;	3991	my $pl = $cf::PLAYER{$login} or next;
3520	$pl->valid or next;	3992	$pl->valid or next;
3521	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3993	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3522	$pl->save;	3994	$pl->save;
3523	}	3995	}
3524	warn "end emergency player save\n";	3996	info "emergency_perl_save: end player save\n";
3525		3997
3526	warn "begin emergency map save\n";	3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	info "emergency_perl_save: begin map save\n";
3527	for my $path (keys %cf::MAP) {	4001	for my $path (keys %cf::MAP) {
3528	my $map = $cf::MAP{$path} or next;	4002	my $map = $cf::MAP{$path} or next;
3529	$map->valid or next;	4003	$map->valid or next;
3530	$map->save;	4004	$map->save;
3531	}	4005	}
3532	warn "end emergency map save\n";	4006	info "emergency_perl_save: end map save\n";
3533		4007
3534	warn "begin emergency database checkpoint\n";	4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	info "emergency_perl_save: begin database checkpoint\n";
3535	BDB::db_env_txn_checkpoint $DB_ENV;	4011	BDB::db_env_txn_checkpoint $DB_ENV;
3536	warn "end emergency database checkpoint\n";	4012	info "emergency_perl_save: end database checkpoint\n";
3537		4013
3538	warn "begin write uuid\n";	4014	info "emergency_perl_save: begin write uuid\n";
3539	write_uuid_sync 1;	4015	write_uuid_sync 1;
3540	warn "end write uuid\n";	4016	info "emergency_perl_save: end write uuid\n";
		4017
		4018	cf::write_runtime_sync; # external watchdog should not bark
		4019
		4020	trace "emergency_perl_save: syncing database to disk";
		4021	BDB::db_env_txn_checkpoint $DB_ENV;
		4022
		4023	info "emergency_perl_save: starting sync\n";
		4024	IO::AIO::aio_sync sub {
		4025	info "emergency_perl_save: finished sync\n";
		4026	};
		4027
		4028	cf::write_runtime_sync; # external watchdog should not bark
		4029
		4030	trace "emergency_perl_save: flushing outstanding aio requests";
		4031	while (IO::AIO::nreqs || BDB::nreqs) {
		4032	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4033	}
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
3541	};	4036	};
3542		4037
3543	warn "leave emergency perl save\n";	4038	info "emergency_perl_save: leave\n";
3544	}	4039	}
3545		4040
3546	sub post_cleanup {	4041	sub post_cleanup {
3547	my ($make_core) = @_;	4042	my ($make_core) = @_;
3548		4043
		4044	IO::AIO::flush;
		4045
3549	warn Carp::longmess "post_cleanup backtrace"	4046	error Carp::longmess "post_cleanup backtrace"
3550	if $make_core;	4047	if $make_core;
		4048
		4049	my $fh = pidfile;
		4050	unlink $PIDFILE if <$fh> == $$;
		4051	}
		4052
		4053	# a safer delete_package, copied from Symbol
		4054	sub clear_package($) {
		4055	my $pkg = shift;
		4056
		4057	# expand to full symbol table name if needed
		4058	unless ($pkg =~ /^main::.*::$/) {
		4059	$pkg = "main$pkg" if $pkg =~ /^::/;
		4060	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4061	$pkg .= '::' unless $pkg =~ /::$/;
		4062	}
		4063
		4064	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4065	my $stem_symtab = *{$stem}{HASH};
		4066
		4067	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4068	or return;
		4069
		4070	# clear all symbols
		4071	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4072	for my $name (keys %$leaf_symtab) {
		4073	_gv_clear *{"$pkg$name"};
		4074	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4075	}
3551	}	4076	}
3552		4077
3553	sub do_reload_perl() {	4078	sub do_reload_perl() {
3554	# can/must only be called in main	4079	# can/must only be called in main
3555	if ($Coro::current != $Coro::main) {	4080	unless (in_main) {
3556	warn "can only reload from main coroutine";	4081	error "can only reload from main coroutine";
3557	return;	4082	return;
3558	}	4083	}
3559		4084
3560	warn "reloading...";	4085	return if $RELOAD++;
3561		4086
3562	warn "entering sync_job";	4087	my $t1 = AE::time;
3563		4088
		4089	while ($RELOAD) {
		4090	cf::get_slot 0.1, -1, "reload_perl";
		4091	info "perl_reload: reloading...";
		4092
		4093	trace "perl_reload: entering sync_job";
		4094
3564	cf::sync_job {	4095	cf::sync_job {
3565	cf::write_runtime_sync; # external watchdog should not bark
3566	cf::emergency_save;	4096	#cf::emergency_save;
3567	cf::write_runtime_sync; # external watchdog should not bark
3568		4097
3569	warn "syncing database to disk";
3570	BDB::db_env_txn_checkpoint $DB_ENV;
3571
3572	# if anything goes wrong in here, we should simply crash as we already saved
3573
3574	warn "flushing outstanding aio requests";
3575	for (;;) {
3576	BDB::flush;
3577	IO::AIO::flush;
3578	Coro::cede_notself;
3579	last unless IO::AIO::nreqs || BDB::nreqs;
3580	warn "iterate...";
3581	}
3582
3583	++$RELOAD;
3584
3585	warn "cancelling all extension coros";	4098	trace "perl_reload: cancelling all extension coros";
3586	$_->cancel for values %EXT_CORO;	4099	$_->cancel for values %EXT_CORO;
3587	%EXT_CORO = ();	4100	%EXT_CORO = ();
3588		4101
3589	warn "removing commands";	4102	trace "perl_reload: removing commands";
3590	%COMMAND = ();	4103	%COMMAND = ();
3591		4104
3592	warn "removing ext/exti commands";	4105	trace "perl_reload: removing ext/exti commands";
3593	%EXTCMD = ();	4106	%EXTCMD = ();
3594	%EXTICMD = ();	4107	%EXTICMD = ();
3595		4108
3596	warn "unloading/nuking all extensions";	4109	trace "perl_reload: unloading/nuking all extensions";
3597	for my $pkg (@EXTS) {	4110	for my $pkg (@EXTS) {
3598	warn "... unloading $pkg";	4111	trace "... unloading $pkg";
3599		4112
3600	if (my $cb = $pkg->can ("unload")) {	4113	if (my $cb = $pkg->can ("unload")) {
3601	eval {	4114	eval {
3602	$cb->($pkg);	4115	$cb->($pkg);
3603	1	4116	1
3604	} or warn "$pkg unloaded, but with errors: $@";	4117	} or error "$pkg unloaded, but with errors: $@";
		4118	}
		4119
		4120	trace "... clearing $pkg";
		4121	clear_package $pkg;
3605	}	4122	}
3606		4123
3607	warn "... nuking $pkg";
3608	Symbol::delete_package $pkg;
3609	}
3610
3611	warn "unloading all perl modules loaded from $LIBDIR";	4124	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3612	while (my ($k, $v) = each %INC) {	4125	while (my ($k, $v) = each %INC) {
3613	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4126	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3614		4127
3615	warn "... unloading $k";	4128	trace "... unloading $k";
3616	delete $INC{$k};	4129	delete $INC{$k};
3617		4130
3618	$k =~ s/\.pm$//;	4131	$k =~ s/\.pm$//;
3619	$k =~ s/\//::/g;	4132	$k =~ s/\//::/g;
3620		4133
3621	if (my $cb = $k->can ("unload_module")) {	4134	if (my $cb = $k->can ("unload_module")) {
3622	$cb->();	4135	$cb->();
		4136	}
		4137
		4138	clear_package $k;
3623	}	4139	}
3624		4140
3625	Symbol::delete_package $k;
3626	}
3627
3628	warn "getting rid of safe::, as good as possible";	4141	trace "perl_reload: getting rid of safe::, as good as possible";
3629	Symbol::delete_package "safe::$_"	4142	clear_package "safe::$_"
3630	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4143	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3631		4144
3632	warn "unloading cf.pm \"a bit\"";	4145	trace "perl_reload: unloading cf.pm \"a bit\"";
3633	delete $INC{"cf.pm"};	4146	delete $INC{"cf.pm"};
3634	delete $INC{"cf/pod.pm"};	4147	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3635		4148
3636	# don't, removes xs symbols, too,	4149	# don't, removes xs symbols, too,
3637	# and global variables created in xs	4150	# and global variables created in xs
3638	#Symbol::delete_package __PACKAGE__;	4151	#clear_package __PACKAGE__;
3639		4152
3640	warn "unload completed, starting to reload now";	4153	info "perl_reload: unload completed, starting to reload now";
3641		4154
3642	warn "reloading cf.pm";	4155	trace "perl_reload: reloading cf.pm";
3643	require cf;	4156	require cf;
3644	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4157	cf::_connect_to_perl_1;
3645		4158
3646	warn "loading config and database again";	4159	trace "perl_reload: loading config and database again";
3647	cf::reload_config;	4160	cf::reload_config;
3648		4161
3649	warn "loading extensions";	4162	trace "perl_reload: loading extensions";
3650	cf::load_extensions;	4163	cf::load_extensions;
3651		4164
		4165	if ($REATTACH_ON_RELOAD) {
3652	warn "reattaching attachments to objects/players";	4166	trace "perl_reload: reattaching attachments to objects/players";
3653	_global_reattach; # objects, sockets	4167	_global_reattach; # objects, sockets
3654	warn "reattaching attachments to maps";	4168	trace "perl_reload: reattaching attachments to maps";
3655	reattach $_ for values %MAP;	4169	reattach $_ for values %MAP;
3656	warn "reattaching attachments to players";	4170	trace "perl_reload: reattaching attachments to players";
3657	reattach $_ for values %PLAYER;	4171	reattach $_ for values %PLAYER;
		4172	}
3658		4173
3659	warn "leaving sync_job";	4174	cf::_post_init 1;
3660		4175
		4176	trace "perl_reload: leaving sync_job";
		4177
3661	1	4178	1
3662	} or do {	4179	} or do {
3663	warn $@;	4180	error $@;
3664	cf::cleanup "error while reloading, exiting.";	4181	cf::cleanup "perl_reload: error, exiting.";
		4182	};
		4183
		4184	--$RELOAD;
3665	};	4185	}
3666		4186
3667	warn "reloaded";	4187	$t1 = AE::time - $t1;
		4188	info "perl_reload: completed in ${t1}s\n";
3668	};	4189	};
3669		4190
3670	our $RELOAD_WATCHER; # used only during reload	4191	our $RELOAD_WATCHER; # used only during reload
3671		4192
3672	sub reload_perl() {	4193	sub reload_perl() {
3673	# doing reload synchronously and two reloads happen back-to-back,	4194	# doing reload synchronously and two reloads happen back-to-back,
3674	# coro crashes during coro_state_free->destroy here.	4195	# coro crashes during coro_state_free->destroy here.
3675		4196
		4197	$RELOAD_WATCHER ||= cf::async {
		4198	Coro::AIO::aio_wait cache_extensions;
		4199
3676	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4200	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3677	do_reload_perl;	4201	do_reload_perl;
3678	undef $RELOAD_WATCHER;	4202	undef $RELOAD_WATCHER;
		4203	};
3679	};	4204	};
3680	}	4205	}
3681		4206
3682	register_command "reload" => sub {	4207	register_command "reload" => sub {
3683	my ($who, $arg) = @_;	4208	my ($who, $arg) = @_;
…		…
3689	reload_perl;	4214	reload_perl;
3690	};	4215	};
3691	}	4216	}
3692	};	4217	};
3693		4218
3694	unshift @INC, $LIBDIR;	4219	#############################################################################
3695		4220
3696	my $bug_warning = 0;	4221	my $bug_warning = 0;
3697		4222
3698	our @WAIT_FOR_TICK;
3699	our @WAIT_FOR_TICK_BEGIN;
3700
3701	sub wait_for_tick {	4223	sub wait_for_tick() {
3702	return if tick_inhibit || $Coro::current == $Coro::main;	4224	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3703		4225
3704	my $signal = new Coro::Signal;	4226	$WAIT_FOR_TICK->wait;
3705	push @WAIT_FOR_TICK, $signal;
3706	$signal->wait;
3707	}	4227	}
3708		4228
3709	sub wait_for_tick_begin {	4229	sub wait_for_tick_begin() {
3710	return if tick_inhibit || $Coro::current == $Coro::main;	4230	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3711		4231
3712	my $signal = new Coro::Signal;	4232	my $signal = new Coro::Signal;
3713	push @WAIT_FOR_TICK_BEGIN, $signal;	4233	push @WAIT_FOR_TICK_BEGIN, $signal;
3714	$signal->wait;	4234	$signal->wait;
3715	}	4235	}
…		…
3719	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4239	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3720	unless ++$bug_warning > 10;	4240	unless ++$bug_warning > 10;
3721	return;	4241	return;
3722	}	4242	}
3723		4243
3724	cf::server_tick; # one server iteration	4244	cf::one_tick; # one server iteration
		4245
		4246	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3725		4247
3726	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4248	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3727	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4249	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3728	Coro::async_pool {	4250	Coro::async_pool {
3729	$Coro::current->{desc} = "runtime saver";	4251	$Coro::current->{desc} = "runtime saver";
3730	write_runtime_sync	4252	write_runtime_sync
3731	or warn "ERROR: unable to write runtime file: $!";	4253	or error "ERROR: unable to write runtime file: $!";
3732	};	4254	};
3733	}	4255	}
3734		4256
3735	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4257	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3736	$sig->send;	4258	$sig->send;
3737	}	4259	}
3738	while (my $sig = shift @WAIT_FOR_TICK) {	4260	$WAIT_FOR_TICK->broadcast;
3739	$sig->send;
3740	}
3741		4261
3742	$LOAD = ($NOW - $TICK_START) / $TICK;	4262	$LOAD = ($NOW - $TICK_START) / $TICK;
3743	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4263	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3744		4264
3745	if (0) {	4265	if (0) {
3746	if ($NEXT_TICK) {	4266	if ($NEXT_TICK) {
3747	my $jitter = $TICK_START - $NEXT_TICK;	4267	my $jitter = $TICK_START - $NEXT_TICK;
3748	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4268	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3749	warn "jitter $JITTER\n";#d#	4269	debug "jitter $JITTER\n";#d#
3750	}	4270	}
3751	}	4271	}
3752	}	4272	}
3753		4273
3754	{	4274	{
3755	# configure BDB	4275	# configure BDB
		4276	info "initialising database";
3756		4277
3757	BDB::min_parallel 8;	4278	BDB::min_parallel 16;
3758	BDB::max_poll_reqs $TICK * 0.1;	4279	BDB::max_poll_reqs $TICK * 0.1;
3759	$Coro::BDB::WATCHER->priority (1);	4280	#$AnyEvent::BDB::WATCHER->priority (1);
3760		4281
3761	unless ($DB_ENV) {	4282	unless ($DB_ENV) {
3762	$DB_ENV = BDB::db_env_create;	4283	$DB_ENV = BDB::db_env_create;
3763	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4284	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3764	| BDB::LOG_AUTOREMOVE, 1);	4285	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4286	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3765	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4287	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3766	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4288	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3767		4289
3768	cf::sync_job {	4290	cf::sync_job {
3769	eval {	4291	eval {
…		…
3788	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4310	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3789	};	4311	};
3790	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4312	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3791	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4313	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3792	};	4314	};
		4315
		4316	info "database initialised";
3793	}	4317	}
3794		4318
3795	{	4319	{
3796	# configure IO::AIO	4320	# configure IO::AIO
3797		4321
		4322	info "initialising aio";
3798	IO::AIO::min_parallel 8;	4323	IO::AIO::min_parallel 8;
3799	IO::AIO::max_poll_time $TICK * 0.1;	4324	IO::AIO::max_poll_time $TICK * 0.1;
3800	$Coro::AIO::WATCHER->priority (1);	4325	undef $AnyEvent::AIO::WATCHER;
		4326	info "aio initialised";
3801	}	4327	}
3802		4328
3803	my $_log_backtrace;	4329	our $_log_backtrace;
		4330	our $_log_backtrace_last;
3804		4331
3805	sub _log_backtrace {	4332	sub _log_backtrace {
3806	my ($msg, @addr) = @_;	4333	my ($msg, @addr) = @_;
3807		4334
3808	$msg =~ s/\n//;	4335	$msg =~ s/\n$//;
3809		4336
		4337	if ($_log_backtrace_last eq $msg) {
		4338	LOG llevInfo, "[ABT] $msg\n";
		4339	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3810	# limit the # of concurrent backtraces	4340	# limit the # of concurrent backtraces
3811	if ($_log_backtrace < 2) {	4341	} elsif ($_log_backtrace < 2) {
		4342	$_log_backtrace_last = $msg;
3812	++$_log_backtrace;	4343	++$_log_backtrace;
		4344	my $perl_bt = Carp::longmess $msg;
3813	async {	4345	async {
3814	$Coro::current->{desc} = "abt $msg";	4346	$Coro::current->{desc} = "abt $msg";
3815		4347
3816	my @bt = fork_call {	4348	my @bt = fork_call {
3817	@addr = map { sprintf "%x", $_ } @addr;	4349	@addr = map { sprintf "%x", $_ } @addr;
…		…
3828	}	4360	}
3829		4361
3830	@funcs	4362	@funcs
3831	};	4363	};
3832		4364
3833	LOG llevInfo, "[ABT] $msg\n";	4365	LOG llevInfo, "[ABT] $perl_bt\n";
		4366	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3834	LOG llevInfo, "[ABT] $_\n" for @bt;	4367	LOG llevInfo, "[ABT] $_\n" for @bt;
3835	--$_log_backtrace;	4368	--$_log_backtrace;
3836	};	4369	};
3837	} else {	4370	} else {
3838	LOG llevInfo, "[ABT] $msg\n";	4371	LOG llevInfo, "[ABT] $msg\n";
3839	LOG llevInfo, "[ABT] [suppressed]\n";	4372	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3840	}	4373	}
3841	}	4374	}
3842		4375
3843	# load additional modules	4376	# load additional modules
3844	use cf::pod;	4377	require "cf/$_.pm" for @EXTRA_MODULES;
		4378	cf::_connect_to_perl_2;
3845		4379
3846	END { cf::emergency_save }	4380	END { cf::emergency_save }
3847		4381
3848	1	4382	1
3849		4383

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