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Revision 1.419 by root, Sun Apr 13 01:34:09 2008 UTC vs.
Revision 1.597 by root, Sun Nov 11 02:14:37 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 = ();
		92	our %EXTACMD = ();
74	our %EXTICMD = ();	93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
77		97
78	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
80		102
81	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
82	our $DATADIR = datadir;	105	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
86	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
92	our %RESOURCE;	116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
93		126
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	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	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	129	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	130	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		131
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	132	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	133	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	134	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	135	our $DB_ENV;
105		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
106	our %CFG;	139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
107		141
108	our $UPTIME; $UPTIME ||= time;	142	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
110	our $NOW;	145	our $NOW;
111		146
112	our (%PLAYER, %PLAYER_LOADING); # all users	147	our (%PLAYER, %PLAYER_LOADING); # all users
113	our (%MAP, %MAP_LOADING ); # all maps	148	our (%MAP, %MAP_LOADING ); # all maps
114	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	156	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
123		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
		166
124	binmode STDOUT;	167	binmode STDOUT;
125	binmode STDERR;	168	binmode STDERR;
126		169
127	# read virtual server time, if available	170	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
132	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
133		178
134	mkdir $_	179	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		181
137	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
138		183
139	sub cf::map::normalise;	184	sub cf::map::normalise;
140		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
141	#############################################################################	190	#############################################################################
142		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
143	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
144		204
145	=over 4	205	=over 4
146		206
147	=item $cf::UPTIME	207	=item $cf::UPTIME
148		208
149	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
150		225
151	=item $cf::RUNTIME	226	=item $cf::RUNTIME
152		227
153	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
154	every server tick.	229	every server tick.
155		230
156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
159		234
160	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
163	database environment.	238	database environment.
164		239
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	240	=item $cf::LOADAVG
174		241
175	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
176	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
177	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
186	from wherever your confdir points to.	253	from wherever your confdir points to.
187		254
188	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
189		256
190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
191	returns directly I<after> the tick processing (and consequently, can only wake one process	258	returns directly I<after> the tick processing (and consequently, can only wake one thread
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193		260
		261	Note that cf::Wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
194	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
195		279
196	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	282	that call.
199		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
200	=back	290	=back
201		291
202	=cut	292	=cut
203		293
204	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
205	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
206	my $msg = join "", @_;	301	my $msg = join "", @_;
207		302
208	$msg .= "\n"	303	$msg .= "\n"
209	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
210		305
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		307
213	LOG llevError, $msg;	308	LOG llevWarn, $msg;
214	};	309	};
215	}
216		310
217	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
219		313
220	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	318	return;#d#
223	}#d#	319	}#d#
224		320
225	# kill coroutine otherwise	321	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	322	Coro::terminate
228	};	323	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		324
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	335	for my $pkg (qw(
243	cf::global cf::attachable	336	cf::global cf::attachable
244	cf::object cf::object::player	337	cf::object cf::object::player
245	cf::client cf::player	338	cf::client cf::player
246	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
247	cf::map cf::party cf::region	341	cf::party cf::region
248	)) {	342	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	344	}
252		345
253	$EV::DIED = sub {	346	$EV::DIED = sub {
254	warn "error in event callback: @_";	347	warn "error in event callback: $@";
255	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
256		354
257	#############################################################################	355	#############################################################################
258		356
259	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
260		358
…		…
281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
282	$d	380	$d
283	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
284	}	382	}
285		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
286	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
287		437
288	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
289		439
290	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		447
298	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
300		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
301	=item cf::lock_wait $string	513	=item cf::lock_wait $string
302		514
303	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
304		516
305	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
306		518
307	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
310	returned.	522	returned.
311		523
312	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	525	deadlocked coro.
…		…
319		531
320	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
321		533
322	=cut	534	=cut
323		535
324	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		537
327	sub lock_wait($) {	538	sub lock_wait($) {
328	my ($key) = @_;	539	$LOCKS->wait ($_[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} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	540	}
341		541
342	sub lock_acquire($) {	542	sub lock_acquire($) {
343	my ($key) = @_;	543	$LOCKS->guard ($_[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	}	544	}
357		545
358	sub lock_active($) {	546	sub lock_active($) {
359	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	548	}
363		549
364	sub freeze_mainloop {	550	sub freeze_mainloop {
365	tick_inhibit_inc;	551	tick_inhibit_inc;
366		552
367	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
368	}	554	}
369		555
370	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
371		557
372	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
373	get spread over timer.	559	get spread over time.
374		560
375	=cut	561	=cut
376		562
377	sub periodic($$) {	563	sub periodic($$) {
378	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
382	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
383	}	569	}
384		570
385	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
386		572
387	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
388	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
389	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
390		580
391	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
392	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
393		583
394	Useful for short background jobs.	584	Useful for short background jobs.
395		585
396	=cut	586	=cut
397		587
398	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
399	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
400		591
401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
403	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
404		595
405	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
406		598
407	while () {	599	while () {
408	next_job:	600	next_job:
		601
409	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
410	if ($avail > 0.01) {	603
411	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
412	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
413	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
414	$job->[2]->send;	608	$job->[2]->send;
415	Coro::cede;	609	Coro::cede;
416	goto next_job;	610	goto next_job;
417	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418	}	613	}
419	}	614	}
420		615
421	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
422	# we do not use wait_for_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
423	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
424	$signal->wait;
425	} else {	619	} else {
		620	$busy = 0;
426	Coro::schedule;	621	Coro::schedule;
427	}	622	}
428	}	623	}
429	};	624	};
430		625
431	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
432	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
433		630
434	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
435	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
436		634
437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
439	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
465	=cut	663	=cut
466		664
467	sub sync_job(&) {	665	sub sync_job(&) {
468	my ($job) = @_;	666	my ($job) = @_;
469		667
470	if ($Coro::current == $Coro::main) {	668	if (in_main) {
471	my $time = EV::time;	669	my $time = AE::time;
472		670
473	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
474	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
475		673
476	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
477		675
478	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
479		677
480	my $busy = 1;	678	my $busy = 1;
481	my @res;	679	my @res;
482		680
483	(async {	681	(async {
484	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
485	@res = eval { $job->() };	683	@res = eval { $job->() };
486	warn $@ if $@;	684	error $@ if $@;
487	undef $busy;	685	undef $busy;
488	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
489		687
490	while ($busy) {	688	while ($busy) {
491	if (Coro::nready) {	689	if (Coro::nready) {
…		…
493	} else {	691	} else {
494	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
495	}	693	}
496	}	694	}
497		695
498	my $time = EV::time - $time;	696	my $time = AE::time - $time;
499		697
500	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
501		699
502	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
503	} else {	701	} else {
…		…
525	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
526		724
527	$coro	725	$coro
528	}	726	}
529		727
530	=item fork_call { }, $args	728	=item fork_call { }, @args
531		729
532	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
533	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
534	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
535	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
536		734
537	=cut	735	=cut
538		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
539	sub fork_call(&@) {	741	sub fork_call(&@) {
540	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
541		743
542	# we seemingly have to make a local copy of the whole thing,	744	# we seemingly have to make a local copy of the whole thing,
543	# otherwise perl prematurely frees the stuff :/	745	# otherwise perl prematurely frees the stuff :/
544	# TODO: investigate and fix (likely this will be rather laborious)	746	# TODO: investigate and fix (likely this will be rather laborious)
545		747
546	my @res = Coro::Util::fork_eval {	748	my @res = Coro::Util::fork_eval {
547	reset_signals;	749	cf::post_fork;
548	&$cb	750	&$cb
549	}, @args;	751	} @args;
550		752
551	wantarray ? @res : $res[-1]	753	wantarray ? @res : $res[-1]
		754	}
		755
		756	sub objinfo {
		757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
552	}	765	}
553		766
554	=item $coin = coin_from_name $name	767	=item $coin = coin_from_name $name
555		768
556	=cut	769	=cut
…		…
593	within each server.	806	within each server.
594		807
595	=cut	808	=cut
596		809
597	sub db_table($) {	810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
598	my ($name) = @_;	814	my ($name) = @_;
599	my $db = BDB::db_create $DB_ENV;	815	my $db = BDB::db_create $DB_ENV;
600		816
601	eval {	817	eval {
602	$db->set_flags (BDB::CHKSUM);	818	$db->set_flags (BDB::CHKSUM);
…		…
612	}	828	}
613		829
614	our $DB;	830	our $DB;
615		831
616	sub db_init {	832	sub db_init {
617	cf::sync_job {
618	$DB ||= db_table "db";	833	$DB ||= db_table "db";
619	};
620	}	834	}
621		835
622	sub db_get($$) {	836	sub db_get($$) {
623	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
624		838
625	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
626	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
627		843
628	$! ? ()	844	$! ? ()
629	: $data	845	: $data
630	}
631	}	846	}
632		847
633	sub db_put($$$) {	848	sub db_put($$$) {
634	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
663		878
664	my @data;	879	my @data;
665	my $md5;	880	my $md5;
666		881
667	for (0 .. $#$src) {	882	for (0 .. $#$src) {
668	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
669	or Carp::croak "$src->[$_]: $!";
670	}	884	}
671		885
672	# if processing is expensive, check	886	# if processing is expensive, check
673	# checksum first	887	# checksum first
674	if (1) {	888	if (1) {
…		…
691		905
692	my $t1 = Time::HiRes::time;	906	my $t1 = Time::HiRes::time;
693	my $data = $process->(\@data);	907	my $data = $process->(\@data);
694	my $t2 = Time::HiRes::time;	908	my $t2 = Time::HiRes::time;
695		909
696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
697		911
698	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
699	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
700	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
701		915
…		…
711		925
712	=cut	926	=cut
713		927
714	sub datalog($@) {	928	sub datalog($@) {
715	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
716	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
717	}	931	}
718		932
719	=back	933	=back
720		934
721	=cut	935	=cut
722		936
723	#############################################################################	937	#############################################################################
724		938
725	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
726		940
727	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
728	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
729	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
730		944
731	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
732	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
782	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
783		997
784	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
785	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
786		1000
787	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
788	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
789		1003
790	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
791		1005
792	=over 4	1006	=over 4
…		…
916		1130
917	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
918	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
919		1133
920	} elsif (ref $type) {	1134	} elsif (ref $type) {
921	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
922		1136
923	} else {	1137	} else {
924	shift @arg;	1138	shift @arg;
925	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
926	}	1140	}
927	}	1141	}
928	}	1142	}
929		1143
930	sub _object_attach {	1144	sub _object_attach {
…		…
940	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
941	}	1155	}
942		1156
943	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
944	} else {	1158	} else {
945	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
946	}	1160	}
947		1161
948	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
949	}	1163	}
950		1164
…		…
1009		1223
1010	for (@$callbacks) {	1224	for (@$callbacks) {
1011	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
1012		1226
1013	if ($@) {	1227	if ($@) {
1014	warn "$@";
1015	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1016	override;	1229	override;
1017	}	1230	}
1018		1231
1019	return 1 if $override;	1232	return 1 if $override;
1020	}	1233	}
…		…
1083		1296
1084	sub reattach {	1297	sub reattach {
1085	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
1086	my ($obj) = @_;	1299	my ($obj) = @_;
1087		1300
		1301	# no longer needed after getting rid of delete_package?
1088	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1089		1303
1090	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
1091		1305
1092	@$registry = ();	1306	@$registry = ();
1093		1307
…		…
1098	for (@$attach) {	1312	for (@$attach) {
1099	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
1100	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
1101	}	1315	}
1102	} else {	1316	} else {
1103	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
1104	}	1318	}
1105	}	1319	}
1106	}	1320	}
1107		1321
1108	cf::attachable->attach (	1322	cf::attachable->attach (
…		…
1135	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
1136		1350
1137	sync_job {	1351	sync_job {
1138	if (length $$rdata) {	1352	if (length $$rdata) {
1139	utf8::decode (my $decname = $filename);	1353	utf8::decode (my $decname = $filename);
1140	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
1141	$decname, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
1142		1357
1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1144	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1146	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1363	aio_fsync $fh;
		1364	}
1147	close $fh;	1365	aio_close $fh;
1148		1366
1149	if (@$objs) {	1367	if (@$objs) {
1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1151	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1153	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
1154	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1374	aio_fsync $fh;
		1375	}
1155	close $fh;	1376	aio_close $fh;
1156	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
1157	}	1378	}
1158	} else {	1379	} else {
1159	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
1160	}	1381	}
1161		1382
1162	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
1163	} else {	1387	} else {
1164	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
1165	}	1389	}
1166	} else {	1390	} else {
1167	aio_unlink $filename;	1391	aio_unlink $filename;
1168	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1169	}	1393	}
…		…
1193	my $st = eval { Coro::Storable::thaw $av };	1417	my $st = eval { Coro::Storable::thaw $av };
1194	$av = $st->{objs};	1418	$av = $st->{objs};
1195	}	1419	}
1196		1420
1197	utf8::decode (my $decname = $filename);	1421	utf8::decode (my $decname = $filename);
1198	warn sprintf "loading %s (%d,%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1199	$decname, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
1200		1425
1201	($data, $av)	1426	($data, $av)
1202	}	1427	}
1203		1428
1204	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
…		…
1208	=cut	1433	=cut
1209		1434
1210	#############################################################################	1435	#############################################################################
1211	# command handling &c	1436	# command handling &c
1212		1437
1213	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1214		1439
1215	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
1216	$name.	1441	$name.
1217		1442
1218	=cut	1443	=cut
…		…
1224	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1225		1450
1226	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1227	}	1452	}
1228		1453
1229	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1230		1455
1231	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1232	extcmd packet. Ext commands will be processed in the order they are	1457	extcmd packet. Ext commands will be processed in the order they are
1233	received by the server, like other user commands. The first argument is	1458	received by the server, like other user commands. The first argument is
1234	the logged-in player. Ext commands can only be processed after a player	1459	the logged-in player. Ext commands can only be processed after a player
1235	has logged in successfully.	1460	has logged in successfully.
1236		1461
1237	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1238	called.
1239		1463
		1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
1240	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1241		1470
1242	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1243	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1244	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1245	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1246	log-in.	1475	log-in.
1247		1476
1248	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1249	called.
1250		1478
1251	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1252		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1253	sub register_extcmd {	1486	sub register_extcmd($$) {
1254	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1255		1488
1256	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1257	}	1490	}
1258		1491
1259	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1260	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1261		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1262	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1263	}	1502	}
1264		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1265	cf::player->attach (	1512	cf::player->attach (
1266	on_command => sub {	1513	on_unknown_command => sub {
1267	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1268		1515
1269	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1270	or return;	1517	or return;
1271		1518
…		…
1279	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1280		1527
1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1282		1529
1283	if (ref $msg) {	1530	if (ref $msg) {
1284	my ($type, $reply, @payload) =	1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1285	"ARRAY" eq ref $msg
1286	? @$msg
1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1288		1532
1289	my @reply;
1290
1291	if (my $cb = $EXTCMD{$type}) {	1533	if (my $cb = $EXTACMD{$type}) {
		1534	$cb->(
		1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
1292	@reply = $cb->($pl, @payload);	1546	@reply = $cb->($pl, @payload);
		1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1293	}	1551	}
1294		1552
1295	$pl->ext_reply ($reply, @reply)
1296	if $reply;
1297
1298	} else {	1553	} else {
1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1300	}	1555	}
1301		1556
1302	cf::override;	1557	cf::override;
1303	},	1558	},
1304	);	1559	);
1305		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
1306	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1307	cf::sync_job {	1590	cf::sync_job {
1308	my %todo;	1591	my %todo;
1309		1592
1310	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1311	next unless -r $path;	1594	next unless -r $path;
…		…
1329		1612
1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1332		1615
1333	$ext{source} =	1616	$ext{source} =
1334	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1335	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1336	. $source	1619	. $source
1337	. "\n};\n1";	1620	. "\n};\n1";
1338		1621
1339	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1340	}	1623	}
1341		1624
		1625	my $pass = 0;
1342	my %done;	1626	my %done;
1343	while (%todo) {	1627	while (%todo) {
1344	my $progress;	1628	my $progress;
1345		1629
		1630	++$pass;
		1631
		1632	ext:
1346	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1347	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1348	goto skip	1635	next ext
1349	unless exists $done{$_};	1636	unless exists $done{$_};
1350	}	1637	}
1351		1638
1352	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1353		1640
1354	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
1355	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1356	: "$v->{base}: extension inactive.\n";
1357		1654
1358	if (exists $v->{meta}{mandatory}) {
1359	warn $msg;
1360	cf::cleanup "mandatory extension failed to load, exiting.";	1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1361	}	1656	if exists $v->{meta}{mandatory};
1362		1657
1363	warn $msg;	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1659	delete $todo{$k};
		1660	} else {
		1661	$done{$k} = delete $todo{$k};
		1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1364	}	1667	}
1365
1366	$done{$k} = delete $todo{$k};
1367	push @EXTS, $v->{pkg};
1368	$progress = 1;
1369	}	1668	}
1370		1669
1371	skip:	1670	unless ($progress) {
1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1373	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1374	}	1680	}
1375	};	1681	};
1376	}	1682	}
1377		1683
1378	#############################################################################	1684	#############################################################################
1379		1685
1380	=back	1686	=back
1381		1687
1382	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1383		1689
1384	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1385		1691
1386	=cut	1692	=cut
1387		1693
1388	package cf::player;	1694	package cf::player;
1389		1695
…		…
1432		1738
1433	sub exists($) {	1739	sub exists($) {
1434	my ($login) = @_;	1740	my ($login) = @_;
1435		1741
1436	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1437	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1438	}	1744	}
1439		1745
1440	sub find($) {	1746	sub find($) {
1441	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1442	my $login = $_[0];	1748	my $login = $_[0];
…		…
1454	my $f = new_from_file cf::object::thawer path $login	1760	my $f = new_from_file cf::object::thawer path $login
1455	or return;	1761	or return;
1456		1762
1457	my $pl = cf::player::load_pl $f	1763	my $pl = cf::player::load_pl $f
1458	or return;	1764	or return;
		1765
1459	local $cf::PLAYER_LOADING{$login} = $pl;	1766	local $cf::PLAYER_LOADING{$login} = $pl;
1460	$f->resolve_delayed_derefs;	1767	$f->resolve_delayed_derefs;
1461	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1462	}	1769	}
1463	}	1770	}
1464	}	1771	}
1465		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
		1785
1466	sub save($) {	1786	sub save($) {
1467	my ($pl) = @_;	1787	my ($pl) = @_;
1468		1788
1469	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
1470		1790
…		…
1473		1793
1474	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1475		1795
1476	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1477	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1478		1803
1479	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1480	cf::cede_to_tick;	1805	cf::cede_to_tick;
1481	}	1806	}
1482		1807
…		…
1514	my ($pl) = @_;	1839	my ($pl) = @_;
1515		1840
1516	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1517		1842
1518	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1519	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1520		1845
1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1522	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1523	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1524	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1525		1854
1526	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1527	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1528	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1566		1895
1567	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
1568	my $path = path $login;	1897	my $path = path $login;
1569		1898
1570	# a .pst is a dead give-away for a valid player	1899	# a .pst is a dead give-away for a valid player
1571	unless (-e "$path.pst") {	1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1573	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1574	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
1575	}	1905	}
1576		1906
…		…
1580		1910
1581	\@logins	1911	\@logins
1582	}	1912	}
1583		1913
1584	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1585		1917
1586	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1587	player. May block.	1919	player. May block.
1588		1920
1589	=cut	1921	=cut
…		…
1607	}	1939	}
1608		1940
1609	\@paths	1941	\@paths
1610	}	1942	}
1611		1943
1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1613		1945
1614	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1615
1616	=cut
1617
1618	use re 'eval';
1619
1620	my $group;
1621	my $interior; $interior = qr{
1622	# match a pod interior sequence sans C<< >>
1623	(?:
1624	\ (.*?)\ (?{ $group = $^N })
1625	| < (??{$interior}) >
1626	)
1627	}x;
1628
1629	sub expand_cfpod {
1630	my ($self, $pod) = @_;
1631
1632	my $xml;
1633
1634	while () {
1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1636	$group = $1;
1637
1638	$group =~ s/&/&amp;/g;
1639	$group =~ s/</&lt;/g;
1640
1641	$xml .= $group;
1642	} elsif ($pod =~ m%\G
1643	([BCGHITU])
1644	<
1645	(?:
1646	([^<>]*) (?{ $group = $^N })
1647	| < $interior >
1648	)
1649	>
1650	%gcsx
1651	) {
1652	my ($code, $data) = ($1, $group);
1653
1654	if ($code eq "B") {
1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1656	} elsif ($code eq "I") {
1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1658	} elsif ($code eq "U") {
1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1660	} elsif ($code eq "C") {
1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1662	} elsif ($code eq "T") {
1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1664	} elsif ($code eq "G") {
1665	my ($male, $female) = split /\|/, $data;
1666	$data = $self->gender ? $female : $male;
1667	$xml .= expand_cfpod ($self, $data);
1668	} elsif ($code eq "H") {
1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1671	"")
1672	[$self->{hintmode}];
1673	} else {
1674	$xml .= "error processing '$code($data)' directive";
1675	}
1676	} else {
1677	if ($pod =~ /\G(.+)/) {
1678	warn "parse error while expanding $pod (at $1)";
1679	}
1680	last;
1681	}
1682	}
1683
1684	for ($xml) {
1685	# create single paragraphs (very hackish)
1686	s/(?<=\S)\n(?=\w)/ /g;
1687
1688	# compress some whitespace
1689	s/\s+\n/\n/g; # ws line-ends
1690	s/\n\n+/\n/g; # double lines
1691	s/^\n+//; # beginning lines
1692	s/\n+$//; # ending lines
1693	}
1694
1695	$xml
1696	}
1697
1698	no re 'eval';
1699
1700	sub hintmode {
1701	$_[0]{hintmode} = $_[1] if @_ > 1;
1702	$_[0]{hintmode}
1703	}
1704
1705	=item $player->ext_reply ($msgid, @msg)
1706
1707	Sends an ext reply to the player.
1708
1709	=cut
1710
1711	sub ext_reply($$@) {
1712	my ($self, $id, @msg) = @_;
1713
1714	$self->ns->ext_reply ($id, @msg)
1715	}
1716		1947
1717	=item $player->ext_msg ($type, @msg)	1948	=item $player->ext_msg ($type, @msg)
1718		1949
1719	Sends an ext event to the client.	1950	Sends an ext event to the client.
1720		1951
…		…
1740		1971
1741	=cut	1972	=cut
1742		1973
1743	sub find_by_path($) {	1974	sub find_by_path($) {
1744	my ($path) = @_;	1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
1745		1978
1746	my ($match, $specificity);	1979	my ($match, $specificity);
1747		1980
1748	for my $region (list) {	1981	for my $region (list) {
1749	if ($region->{match} && $path =~ $region->{match}) {	1982	if ($region->{match} && $path =~ $region->{match}) {
…		…
1778	sub generate_random_map {	2011	sub generate_random_map {
1779	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1780		2013
1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1782		2015
1783	# mit "rum" bekleckern, nicht
1784	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1788	$rmp->{exit_on_final_map},
1789	$rmp->{xsize}, $rmp->{ysize},
1790	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1791	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1792	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1793	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1794	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1795	(cf::region::find $rmp->{region}), $rmp->{custom}
1796	)
1797	}	2017	}
1798		2018
1799	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1800		2020
1801	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1806		2026
1807	sub register {	2027	sub register {
1808	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1809	my $pkg = caller;	2029	my $pkg = caller;
1810		2030
1811	no strict;
1812	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1813		2032
1814	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1815	}	2034	}
1816		2035
1817	# also paths starting with '/'	2036	# also paths starting with '/'
1818	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1819		2038
1820	sub thawer_merge {	2039	sub thawer_merge {
1821	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1822		2041
1823	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1828	}	2047	}
1829		2048
1830	sub normalise {	2049	sub normalise {
1831	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1832		2051
1833	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1834		2053
1835	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1836		2055
1837	# map plan:	2056	# map plan:
1838	#	2057	#
…		…
1853	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1854	$path = "$base/$path";	2073	$path = "$base/$path";
1855	}	2074	}
1856		2075
1857	for ($path) {	2076	for ($path) {
1858	redo if s{//}{/};
1859	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1860	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1861	}	2079	}
1862		2080
1863	$path	2081	$path
…		…
1877	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1878	return $self;	2096	return $self;
1879	}	2097	}
1880	}	2098	}
1881		2099
1882	Carp::cluck "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1883	()	2101	()
1884	}	2102	}
1885		2103
		2104	# may re-bless or do other evil things
1886	sub init {	2105	sub init {
1887	my ($self) = @_;	2106	my ($self) = @_;
1888		2107
1889	$self	2108	$self
1890	}	2109	}
…		…
1921		2140
1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1923	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1924	}	2143	}
1925		2144
1926	# and all this just because we cannot iterate over
1927	# all maps in C++...
1928	sub change_all_map_light {
1929	my ($change) = @_;
1930
1931	$_->change_map_light ($change)
1932	for grep $_->outdoor, values %cf::MAP;
1933	}
1934
1935	sub decay_objects {	2145	sub decay_objects {
1936	my ($self) = @_;	2146	my ($self) = @_;
1937		2147
1938	return if $self->{deny_reset};	2148	return if $self->{deny_reset};
1939		2149
…		…
1964	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1965		2175
1966	1	2176	1
1967	}	2177	}
1968		2178
		2179	# used to laod the header of an original map
1969	sub load_header_orig {	2180	sub load_header_orig {
1970	my ($self) = @_;	2181	my ($self) = @_;
1971		2182
1972	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1973	}	2184	}
1974		2185
		2186	# used to laod the header of an instantiated map
1975	sub load_header_temp {	2187	sub load_header_temp {
1976	my ($self) = @_;	2188	my ($self) = @_;
1977		2189
1978	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1979	}	2191	}
1980		2192
		2193	# called after loading the header from an instantiated map
1981	sub prepare_temp {	2194	sub prepare_temp {
1982	my ($self) = @_;	2195	my ($self) = @_;
1983		2196
1984	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1985	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1986	# safety	2199	# safety
1987	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1988	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1989	}	2202	}
1990		2203
		2204	# called after loading the header from an original map
1991	sub prepare_orig {	2205	sub prepare_orig {
1992	my ($self) = @_;	2206	my ($self) = @_;
1993		2207
1994	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1995	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2019		2233
2020	sub find;	2234	sub find;
2021	sub find {	2235	sub find {
2022	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
2023		2237
		2238	cf::cede_to_tick;
		2239
2024	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
2025		2241
2026	cf::lock_wait "map_data:$path";#d#remove	2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2027	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
2028		2244
2029	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
2030	my $guard1 = cf::lock_acquire "map_find:$path";
2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2032
2033	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
2034	or return;	2247	or return;
2035		2248
2036	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
2037		2250
…		…
2039	or return;	2252	or return;
2040		2253
2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2042	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
2043	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
2044	undef $guard1;	2258	undef $guard1;
2045	undef $guard2;
2046	$map->reset;	2259	$map->reset;
2047	return find $path;	2260	return find $path;
2048	}	2261	}
2049		2262
2050	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
2051	}	2264	}
2052	}	2265	}
2053		2266
2054	sub pre_load { }	2267	sub pre_load { }
2055	sub post_load { }	2268	#sub post_load { } # XS
2056		2269
2057	sub load {	2270	sub load {
2058	my ($self) = @_;	2271	my ($self) = @_;
2059		2272
2060	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2063		2276
2064	{	2277	{
2065	my $guard = cf::lock_acquire "map_data:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
2066		2279
2067	return unless $self->valid;	2280	return unless $self->valid;
2068	return unless $self->in_memory == cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
2069
2070	$self->in_memory (cf::MAP_LOADING);
2071		2282
2072	$self->alloc;	2283	$self->alloc;
2073		2284
2074	$self->pre_load;	2285	$self->pre_load;
2075	cf::cede_to_tick;	2286	cf::cede_to_tick;
2076		2287
		2288	if (exists $self->{load_path}) {
2077	my $f = new_from_file cf::object::thawer $self->{load_path};	2289	my $f = new_from_file cf::object::thawer $self->{load_path};
2078	$f->skip_block;	2290	$f->skip_block;
2079	$self->_load_objects ($f)	2291	$self->_load_objects ($f)
2080	or return;	2292	or return;
2081		2293
2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
2083	if delete $self->{load_original};	2295	if delete $self->{load_original};
2084		2296
2085	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
2086	utf8::encode $uniq;	2298	utf8::encode $uniq;
2087	unless (aio_stat $uniq) {	2299	unless (aio_stat $uniq) {
2088	if (my $f = new_from_file cf::object::thawer $uniq) {	2300	if (my $f = new_from_file cf::object::thawer $uniq) {
2089	$self->clear_unique_items;	2301	$self->clear_unique_items;
2090	$self->_load_objects ($f);	2302	$self->_load_objects ($f);
2091	$f->resolve_delayed_derefs;	2303	$f->resolve_delayed_derefs;
		2304	}
2092	}	2305	}
2093	}	2306	}
2094	}
2095		2307
2096	$f->resolve_delayed_derefs;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
2097		2315
2098	cf::cede_to_tick;	2316	cf::cede_to_tick;
2099	# now do the right thing for maps	2317	# now do the right thing for maps
2100	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
2101	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
…		…
2105	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
2106	$self->decay_objects;	2324	$self->decay_objects;
2107	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
2108	$self->update_buttons;	2326	$self->update_buttons;
2109	cf::cede_to_tick;	2327	cf::cede_to_tick;
2110	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
2111	cf::cede_to_tick;
2112	$self->activate;
2113	}	2329	}
2114		2330
2115	$self->{last_save} = $cf::RUNTIME;	2331	$self->{last_save} = $cf::RUNTIME;
2116	$self->last_access ($cf::RUNTIME);	2332	$self->last_access ($cf::RUNTIME);
2117
2118	$self->in_memory (cf::MAP_IN_MEMORY);
2119	}	2333	}
2120		2334
2121	$self->post_load;	2335	$self->post_load;
2122	}
2123		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
2124	sub customise_for {	2343	sub customise_for {
2125	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
2126		2345
2127	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
2128	if $self->per_player;	2347	if $self->per_player;
…		…
2131	# if $self->per_party;	2350	# if $self->per_party;
2132		2351
2133	$self	2352	$self
2134	}	2353	}
2135		2354
2136	# find and load all maps in the 3x3 area around a map
2137	sub load_neighbours {
2138	my ($map) = @_;
2139
2140	my @neigh; # diagonal neighbours
2141
2142	for (0 .. 3) {
2143	my $neigh = $map->tile_path ($_)
2144	or next;
2145	$neigh = find $neigh, $map
2146	or next;
2147	$neigh->load;
2148
2149	push @neigh,
2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2152	}
2153
2154	for (grep defined $_->[0], @neigh) {
2155	my ($path, $origin) = @$_;
2156	my $neigh = find $path, $origin
2157	or next;
2158	$neigh->load;
2159	}
2160	}
2161
2162	sub find_sync {	2355	sub find_sync {
2163	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
2164		2357
2165	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
2166	}	2363	}
2167		2364
2168	sub do_load_sync {	2365	sub do_load_sync {
2169	my ($map) = @_;	2366	my ($map) = @_;
2170		2367
		2368	# it's a bug to call this from the main context
2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2172	if $Coro::current == $Coro::main;	2370	if $Coro::current == $Coro::main;
2173		2371
2174	cf::sync_job { $map->load };	2372	$map->load;
2175	}	2373	}
2176		2374
2177	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
2178	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
2179		2377
2180	sub find_async {	2378	sub find_async {
2181	my ($path, $origin, $load) = @_;	2379	my ($path, $origin, $load) = @_;
2182		2380
2183	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
2184		2382
2185	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
2187	}	2385	}
2188		2386
2189	$MAP_PREFETCH{$path} |= $load;	2387	$MAP_PREFETCH{$path} |= $load;
2190		2388
2191	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
…		…
2205	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
2206		2404
2207	()	2405	()
2208	}	2406	}
2209		2407
		2408	# common code, used by both ->save and ->swapout
2210	sub save {	2409	sub _save {
2211	my ($self) = @_;	2410	my ($self) = @_;
2212
2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
2214		2411
2215	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
2216		2413
2217	return unless $self->dirty;	2414	return unless $self->dirty;
2218		2415
…		…
2227		2424
2228	cf::async {	2425	cf::async {
2229	$Coro::current->{desc} = "map player save";	2426	$Coro::current->{desc} = "map player save";
2230	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
2231	};	2428	};
		2429
		2430	cf::get_slot 0.02;
2232		2431
2233	if ($uniq) {	2432	if ($uniq) {
2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2235	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2236	} else {	2435	} else {
2237	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2238	}	2437	}
2239	}	2438	}
2240		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
2241	sub swap_out {	2448	sub swap_out {
2242	my ($self) = @_;	2449	my ($self) = @_;
2243		2450
2244	# save first because save cedes
2245	$self->save;
2246
2247	my $lock = cf::lock_acquire "map_data:$self->{path}";	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
2248		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
2249	return if $self->players;	2455	return if $self->players;
2250	return if $self->in_memory != cf::MAP_IN_MEMORY;	2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
		2466	$self->clear;
		2467	}
		2468
		2469	sub reset_at {
		2470	my ($self) = @_;
		2471
		2472	# TODO: safety, remove and allow resettable per-player maps
2251	return if $self->{deny_save};	2473	return 1e99 if $self->{deny_reset};
2252		2474
		2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2477
		2478	$time + $to
		2479	}
		2480
		2481	sub should_reset {
		2482	my ($self) = @_;
		2483
		2484	$self->reset_at <= $cf::RUNTIME
		2485	}
		2486
		2487	sub reset {
		2488	my ($self) = @_;
		2489
		2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2491
		2492	return if $self->players;
		2493
		2494	cf::trace "resetting map ", $self->path, "\n";
		2495
2253	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
		2497
		2498	# need to save uniques path
		2499	unless ($self->{deny_save}) {
		2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2501
		2502	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2503	if $uniq;
		2504	}
		2505
		2506	delete $cf::MAP{$self->path};
2254		2507
2255	$self->deactivate;	2508	$self->deactivate;
2256	$_->clear_links_to ($self) for values %cf::MAP;	2509	$_->clear_links_to ($self) for values %cf::MAP;
2257	$self->clear;	2510	$self->clear;
2258	}
2259
2260	sub reset_at {
2261	my ($self) = @_;
2262
2263	# TODO: safety, remove and allow resettable per-player maps
2264	return 1e99 if $self->{deny_reset};
2265
2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2268
2269	$time + $to
2270	}
2271
2272	sub should_reset {
2273	my ($self) = @_;
2274
2275	$self->reset_at <= $cf::RUNTIME
2276	}
2277
2278	sub reset {
2279	my ($self) = @_;
2280
2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
2282
2283	return if $self->players;
2284
2285	warn "resetting map ", $self->path;
2286
2287	$self->in_memory (cf::MAP_SWAPPED);
2288
2289	# need to save uniques path
2290	unless ($self->{deny_save}) {
2291	my $uniq = $self->uniq_path; utf8::encode $uniq;
2292
2293	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2294	if $uniq;
2295	}
2296
2297	delete $cf::MAP{$self->path};
2298
2299	$self->deactivate;
2300	$_->clear_links_to ($self) for values %cf::MAP;
2301	$self->clear;
2302		2511
2303	$self->unlink_save;	2512	$self->unlink_save;
2304	$self->destroy;	2513	$self->destroy;
2305	}	2514	}
2306		2515
…		…
2314		2523
2315	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2316		2525
2317	$self->unlink_save;	2526	$self->unlink_save;
2318		2527
2319	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2320	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2321	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2322	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2324		2533
…		…
2381	: normalise $_	2590	: normalise $_
2382	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2383	]	2592	]
2384	}	2593	}
2385		2594
		2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
		2626
2386	=back	2627	=back
2387		2628
2388	=head3 cf::object	2629	=head3 cf::object
2389		2630
2390	=cut	2631	=cut
…		…
2451	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
2452	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
2453		2694
2454	=cut	2695	=cut
2455		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
		2710
2456	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
2457	# with dialog boxes.	2712	# with dialog boxes.
2458	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
2459	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
2460	my ($self, $npc, $msg, $flags) = @_;	2715	my ($self, $npc, $msg, $flags) = @_;
…		…
2471	my $dialog = $pl->{npc_dialog};	2726	my $dialog = $pl->{npc_dialog};
2472	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2473		2728
2474	} else {	2729	} else {
2475	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
2476	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2477	}	2732	}
2478	}	2733	}
2479	}	2734	}
2480		2735
2481	=item $object->send_msg ($channel, $msg, $color, [extra...])	2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2506		2761
2507	=item $player_object->enter_link	2762	=item $player_object->enter_link
2508		2763
2509	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
2510		2765
2511	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
2512	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
2513		2770
2514	Will never block.	2771	Will never block.
2515		2772
2516	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2517		2774
…		…
2537	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2538	my ($self) = @_;	2795	my ($self) = @_;
2539		2796
2540	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2541		2798
		2799	++$self->{_link_recursion};
		2800
2542	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2543		2802
2544	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2545	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2546		2805
2547	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2548	}	2807	}
2549		2808
2550	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2551	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2552		2811
…		…
2569	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2570	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2571		2830
2572	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2573	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2574	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2575		2834
2576	$map->load;	2835	$map->load;
2577	$map->load_neighbours;
2578		2836
2579	return unless $self->contr->active;	2837	return unless $self->contr->active;
2580	$self->activate_recursive;
2581		2838
2582	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2583	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2584	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2585		2846
		2847	}
		2848
2586	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2587		2850
2588	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2589	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2590	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2591	the new (success) or old (failed) map position. In either case, $done will	2854	the new (success) or old (failed) map position. In either case, $done will
2592	be called at the end of this process.	2855	be called at the end of this process.
2593		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
		2859
2594	=cut	2860	=cut
2595		2861
2596	our $GOTOGEN;	2862	our $GOTOGEN;
2597		2863
2598	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2599	my ($self, $path, $x, $y, $check, $done) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
2600		2872
2601	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2602	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2603		2875
2604	$self->enter_link;	2876	$self->enter_link;
…		…
2624	($path, $x, $y) = (undef, undef, undef);	2896	($path, $x, $y) = (undef, undef, undef);
2625	}	2897	}
2626	}	2898	}
2627		2899
2628	my $map = eval {	2900	my $map = eval {
2629	my $map = defined $path ? cf::map::find $path : undef;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2630		2902
2631	if ($map) {	2903	if ($map) {
2632	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2633	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2634	} else {	2906	} else {
2635	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2636	}	2908	}
2637		2909
2638	$map	2910	$map
…		…
2646	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2647	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2648	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2649	}	2921	}
2650		2922
2651	$done->() if $done;	2923	$done->($self) if $done;
2652	})->prio (1);	2924	})->prio (1);
2653	}	2925	}
2654		2926
2655	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2656		2928
…		…
2676	}	2948	}
2677		2949
2678	sub prepare_random_map {	2950	sub prepare_random_map {
2679	my ($exit) = @_;	2951	my ($exit) = @_;
2680		2952
2681	my $guard = cf::lock_acquire "exit_prepare:$exit";
2682
2683	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
2684	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
2685	# that depends on the exit object	2955	# that depends on the exit object
2686		2956
2687	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
2689	if ($exit->map) {	2959	if ($exit->map) {
2690	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
2691	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
2692	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
2693	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
2694	}	2966	}
2695		2967
2696	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
2697		2969
2698	my $data = cf::encode_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2699	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
2700	my $meta = "$RANDOMDIR/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
2701		2973
2702	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2703	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
2704	undef $fh;	2976	undef $fh;
2705	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
2706		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
2707	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
2708	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
2709	}	2985	}
2710	}	2986	}
2711		2987
2712	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2713	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2714		2990
2715	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2716		2992
2717	if ($exit->slaying eq "/!") {
2718	#TODO: this should de-fi-ni-te-ly not be a sync-job
2719	# the problem is that $exit might not survive long enough
2720	# so it needs to be done right now, right here
2721	cf::sync_job { prepare_random_map $exit };
2722	}
2723
2724	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2725	my $hp = $exit->stats->hp;
2726	my $sp = $exit->stats->sp;
2727
2728	$self->enter_link;	2993	$self->enter_link;
2729		2994
2730	# if exit is damned, update players death & WoR home-position
2731	$self->contr->savebed ($slaying, $hp, $sp)
2732	if $exit->flag (FLAG_DAMNED);
2733
2734	(async {	2995	(async {
2735	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2996	$Coro::current->{desc} = "enter_exit";
2736		2997
2737	$self->deactivate_recursive; # just to be sure
2738	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
2739	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2740		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
2741	1;	3034	1
2742	}) {	3035	}) {
2743	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2744	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2745	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2746	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2747		3040
2748	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2749	$self->leave_link;	3042	$self->leave_link;
2750	}	3043	}
2751	})->prio (1);	3044	})->prio (1);
2752	}	3045	}
2753		3046
…		…
2765	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
2766	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
2767		3060
2768	utf8::encode $text;	3061	utf8::encode $text;
2769	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3063	}
		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
2770	}	3088	}
2771		3089
2772	=item $client->send_msg ($channel, $msg, $color, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2773		3091
2774	Send a drawinfo or msg packet to the client, formatting the msg for the	3092	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2778		3096
2779	=cut	3097	=cut
2780		3098
2781	# non-persistent channels (usually the info channel)	3099	# non-persistent channels (usually the info channel)
2782	our %CHANNEL = (	3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
2783	"c/identify" => {	3107	"c/identify" => {
2784	id => "infobox",	3108	id => "infobox",
2785	title => "Identify",	3109	title => "Identify",
2786	reply => undef,	3110	reply => undef,
2787	tooltip => "Items recently identified",	3111	tooltip => "Items recently identified",
…		…
2789	"c/examine" => {	3113	"c/examine" => {
2790	id => "infobox",	3114	id => "infobox",
2791	title => "Examine",	3115	title => "Examine",
2792	reply => undef,	3116	reply => undef,
2793	tooltip => "Signs and other items you examined",	3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
2794	},	3124	},
2795	"c/book" => {	3125	"c/book" => {
2796	id => "infobox",	3126	id => "infobox",
2797	title => "Book",	3127	title => "Book",
2798	reply => undef,	3128	reply => undef,
…		…
2814	id => "infobox",	3144	id => "infobox",
2815	title => "Body Parts",	3145	title => "Body Parts",
2816	reply => undef,	3146	reply => undef,
2817	tooltip => "Shows which body parts you posess and are available",	3147	tooltip => "Shows which body parts you posess and are available",
2818	},	3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
2819	"c/uptime" => {	3185	"c/uptime" => {
2820	id => "infobox",	3186	id => "infobox",
2821	title => "Uptime",	3187	title => "Uptime",
2822	reply => undef,	3188	reply => undef,
2823	tooltip => "How long the server has been running since last restart",	3189	tooltip => "How long the server has been running since last restart",
…		…
2826	id => "infobox",	3192	id => "infobox",
2827	title => "Map Info",	3193	title => "Map Info",
2828	reply => undef,	3194	reply => undef,
2829	tooltip => "Information related to the maps",	3195	tooltip => "Information related to the maps",
2830	},	3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
2831	);	3211	);
2832		3212
2833	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2834	my ($self, $channel, $msg, $color, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2835		3215
2836	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
2837		3218
2838	$color &= cf::NDI_CLIENT_MASK; # just in case...	3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
2839		3220
2840	# check predefined channels, for the benefit of C	3221	# check predefined channels, for the benefit of C
2841	if ($CHANNEL{$channel}) {	3222	if ($CHANNEL{$channel}) {
2842	$channel = $CHANNEL{$channel};	3223	$channel = $CHANNEL{$channel};
2843		3224
2844	$self->ext_msg (channel_info => $channel)	3225	$self->ext_msg (channel_info => $channel);
2845	if $self->can_msg;
2846
2847	$channel = $channel->{id};	3226	$channel = $channel->{id};
2848		3227
2849	} elsif (ref $channel) {	3228	} elsif (ref $channel) {
2850	# send meta info to client, if not yet sent	3229	# send meta info to client, if not yet sent
2851	unless (exists $self->{channel}{$channel->{id}}) {	3230	unless (exists $self->{channel}{$channel->{id}}) {
2852	$self->{channel}{$channel->{id}} = $channel;	3231	$self->{channel}{$channel->{id}} = $channel;
2853	$self->ext_msg (channel_info => $channel)	3232	$self->ext_msg (channel_info => $channel);
2854	if $self->can_msg;
2855	}	3233	}
2856		3234
2857	$channel = $channel->{id};	3235	$channel = $channel->{id};
2858	}	3236	}
2859		3237
2860	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2861		3239
2862	if ($self->can_msg) {
2863	# default colour, mask it out	3240	# default colour, mask it out
2864	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2865	if $color & cf::NDI_DEF;	3242	if $color & cf::NDI_DEF;
2866		3243
2867	$self->send_packet ("msg " . $self->{json_coder}->encode (	3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
2868	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2869	} else {	3247	);
2870	if ($color >= 0) {
2871	# replace some tags by gcfclient-compatible ones
2872	for ($msg) {
2873	1 while
2874	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2875	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2876	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2877	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2878	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2879	}
2880		3248
2881	$color &= cf::NDI_COLOR_MASK;	3249	$self->send_big_packet ($pkt);
2882
2883	utf8::encode $msg;
2884
2885	if (0 && $msg =~ /\[/) {
2886	# COMMAND/INFO
2887	$self->send_packet ("drawextinfo $color 10 8 $msg")
2888	} else {
2889	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2890	$self->send_packet ("drawinfo $color $msg")
2891	}
2892	}
2893	}
2894	}	3250	}
2895		3251
2896	=item $client->ext_msg ($type, @msg)	3252	=item $client->ext_msg ($type, @msg)
2897		3253
2898	Sends an ext event to the client.	3254	Sends an ext event to the client.
…		…
2900	=cut	3256	=cut
2901		3257
2902	sub cf::client::ext_msg($$@) {	3258	sub cf::client::ext_msg($$@) {
2903	my ($self, $type, @msg) = @_;	3259	my ($self, $type, @msg) = @_;
2904		3260
2905	if ($self->extcmd == 2) {
2906	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2907	} elsif ($self->extcmd == 1) { # TODO: remove
2908	push @msg, msgtype => "event_$type";
2909	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2910	}
2911	}
2912
2913	=item $client->ext_reply ($msgid, @msg)
2914
2915	Sends an ext reply to the client.
2916
2917	=cut
2918
2919	sub cf::client::ext_reply($$@) {
2920	my ($self, $id, @msg) = @_;
2921
2922	if ($self->extcmd == 2) {
2923	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2924	} elsif ($self->extcmd == 1) {
2925	#TODO: version 1, remove
2926	unshift @msg, msgtype => "reply", msgid => $id;
2927	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2928	}
2929	}	3262	}
2930		3263
2931	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2932		3265
2933	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
2988	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
2989		3322
2990	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2991		3324
2992	if (ref $msg) {	3325	if (ref $msg) {
2993	my ($type, $reply, @payload) =	3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2994	"ARRAY" eq ref $msg
2995	? @$msg
2996	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2997		3327
2998	my @reply;
2999
3000	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
3001	@reply = $cb->($ns, @payload);	3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
3002	}	3346	}
3003
3004	$ns->ext_reply ($reply, @reply)
3005	if $reply;
3006
3007	} else {	3347	} else {
3008	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3009	}	3349	}
3010		3350
3011	cf::override;	3351	cf::override;
3012	},	3352	},
3013	);	3353	);
…		…
3033		3373
3034	$coro	3374	$coro
3035	}	3375	}
3036		3376
3037	cf::client->attach (	3377	cf::client->attach (
3038	on_destroy => sub {	3378	on_client_destroy => sub {
3039	my ($ns) = @_;	3379	my ($ns) = @_;
3040		3380
3041	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3042	},	3382	},
3043	);	3383	);
…		…
3059	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
3060		3400
3061	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
3062		3402
3063	$safe->permit_only (Opcode::opset qw(	3403	$safe->permit_only (Opcode::opset qw(
3064	:base_core :base_mem :base_orig :base_math	3404	:base_core :base_mem :base_orig :base_math :base_loop
3065	grepstart grepwhile mapstart mapwhile	3405	grepstart grepwhile mapstart mapwhile
3066	sort time	3406	sort time
3067	));	3407	));
3068		3408
3069	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
…		…
3072		3412
3073	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
3074		3414
3075	cf::object	3415	cf::object
3076	contr pay_amount pay_player map x y force_find force_add destroy	3416	contr pay_amount pay_player map x y force_find force_add destroy
3077	insert remove name archname title slaying race decrease_ob_nr	3417	insert remove name archname title slaying race decrease split
		3418	value
3078		3419
3079	cf::object::player	3420	cf::object::player
3080	player	3421	player
3081		3422
3082	cf::player	3423	cf::player
…		…
3087		3428
3088	=cut	3429	=cut
3089		3430
3090	for (	3431	for (
3091	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3092	insert remove inv name archname title slaying race	3433	insert remove inv nrof name archname title slaying race
3093	decrease_ob_nr destroy)],	3434	decrease split destroy change_exp value msg lore send_msg)],
3094	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
3095	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
3096	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
3097	) {	3438	) {
3098	no strict 'refs';
3099	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
3100	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3101	for @funs;	3441	for @funs;
3102	}	3442	}
3103		3443
…		…
3118		3458
3119	my $qcode = $code;	3459	my $qcode = $code;
3120	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3121	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
3122		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
3123	local $_;	3466	local $_;
3124	local @safe::cf::_safe_eval_args = values %vars;
3125		3467
3126	my $eval =	3468	my $eval =
3127	"do {\n"	3469	"do {\n"
3128	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3129	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
3130	. $code	3472	. $code
3131	. "\n}"	3473	. "\n}"
3132	;	3474	;
3133		3475
		3476	if ($CFG{safe_eval}) {
3134	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
3135	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3136	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
3137		3485
3138	if ($@) {	3486	if ($@) {
3139	warn "$@";	3487	warn "$@",
3140	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
3141	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
3142	}	3490	}
3143		3491
3144	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
3145	}	3493	}
3146		3494
…		…
3160	=cut	3508	=cut
3161		3509
3162	sub register_script_function {	3510	sub register_script_function {
3163	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
3164		3512
3165	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
3166	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
3167	}	3515	}
3168		3516
3169	=back	3517	=back
3170		3518
3171	=cut	3519	=cut
3172		3520
3173	#############################################################################	3521	#############################################################################
3174	# the server's init and main functions	3522	# the server's init and main functions
		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525
		3526	# internal api, not fianlised
		3527	sub set_face {
		3528	my ($name, $type, $data) = @_;
		3529
		3530	my $idx = cf::face::find $name;
		3531
		3532	if ($idx) {
		3533	delete $FACEHASH{cf::face::get_chksum $idx};
		3534	} else {
		3535	$idx = cf::face::alloc $name;
		3536	}
		3537
		3538	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3539
		3540	cf::face::set_type $idx, $type;
		3541	cf::face::set_data $idx, 0, $data, $hash;
		3542	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3543	$FACEHASH{$hash} = $idx;#d#
		3544
		3545	$idx
		3546	}
3175		3547
3176	sub load_facedata($) {	3548	sub load_facedata($) {
3177	my ($path) = @_;	3549	my ($path) = @_;
3178		3550
3179	# HACK to clear player env face cache, we need some signal framework	3551	# HACK to clear player env face cache, we need some signal framework
3180	# for this (global event?)	3552	# for this (global event?)
3181	%ext::player_env::MUSIC_FACE_CACHE = ();	3553	%ext::player_env::MUSIC_FACE_CACHE = ();
3182		3554
3183	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3555	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3184		3556
3185	warn "loading facedata from $path\n";	3557	trace "loading facedata from $path\n";
3186		3558
3187	my $facedata;	3559	my $facedata = decode_storable load_file $path;
3188	0 < aio_load $path, $facedata
3189	or die "$path: $!";
3190
3191	$facedata = Coro::Storable::thaw $facedata;
3192		3560
3193	$facedata->{version} == 2	3561	$facedata->{version} == 2
3194	or cf::cleanup "$path: version mismatch, cannot proceed.";	3562	or cf::cleanup "$path: version mismatch, cannot proceed.";
3195		3563
3196	# patch in the exptable
3197	$facedata->{resource}{"res/exp_table"} = {
3198	type => FT_RSRC,
3199	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3200	};
3201	cf::cede_to_tick;	3564	cf::cede_to_tick;
3202		3565
3203	{	3566	{
3204	my $faces = $facedata->{faceinfo};	3567	my $faces = delete $facedata->{faceinfo};
3205		3568
3206	while (my ($face, $info) = each %$faces) {	3569	for my $face (sort keys %$faces) {
		3570	my $info = $faces->{$face};
3207	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3571	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3208		3572
3209	cf::face::set_visibility $idx, $info->{visibility};	3573	cf::face::set_visibility $idx, $info->{visibility};
3210	cf::face::set_magicmap $idx, $info->{magicmap};	3574	cf::face::set_magicmap $idx, $info->{magicmap};
3211	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3575	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3212	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3576	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3213		3577	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3578	$FACEHASH{$info->{hash64}} = $idx;#d#
		3579
3214	cf::cede_to_tick;	3580	cf::cede_to_tick;
3215	}	3581	}
3216		3582
3217	while (my ($face, $info) = each %$faces) {	3583	while (my ($face, $info) = each %$faces) {
3218	next unless $info->{smooth};	3584	next unless $info->{smooth};
…		…
3222		3588
3223	if (my $smooth = cf::face::find $info->{smooth}) {	3589	if (my $smooth = cf::face::find $info->{smooth}) {
3224	cf::face::set_smooth $idx, $smooth;	3590	cf::face::set_smooth $idx, $smooth;
3225	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3591	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3226	} else {	3592	} else {
3227	warn "smooth face '$info->{smooth}' not found for face '$face'";	3593	error "smooth face '$info->{smooth}' not found for face '$face'";
3228	}	3594	}
3229		3595
3230	cf::cede_to_tick;	3596	cf::cede_to_tick;
3231	}	3597	}
3232	}	3598	}
3233		3599
3234	{	3600	{
3235	my $anims = $facedata->{animinfo};	3601	my $anims = delete $facedata->{animinfo};
3236		3602
3237	while (my ($anim, $info) = each %$anims) {	3603	while (my ($anim, $info) = each %$anims) {
3238	cf::anim::set $anim, $info->{frames}, $info->{facings};	3604	cf::anim::set $anim, $info->{frames}, $info->{facings};
3239	cf::cede_to_tick;	3605	cf::cede_to_tick;
3240	}	3606	}
3241		3607
3242	cf::anim::invalidate_all; # d'oh	3608	cf::anim::invalidate_all; # d'oh
3243	}	3609	}
3244		3610
3245	{	3611	{
3246	# TODO: for gcfclient pleasure, we should give resources
3247	# that gcfclient doesn't grok a >10000 face index.
3248	my $res = $facedata->{resource};	3612	my $res = delete $facedata->{resource};
3249		3613
3250	while (my ($name, $info) = each %$res) {	3614	while (my ($name, $info) = each %$res) {
3251	if (defined $info->{type}) {	3615	if (defined (my $type = $info->{type})) {
		3616	# TODO: different hash - must free and use new index, or cache ixface data queue
3252	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3617	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3253	my $data;
3254		3618
3255	if ($info->{type} & 1) {
3256	# prepend meta info
3257
3258	my $meta = $enc->encode ({
3259	name => $name,
3260	%{ $info->{meta} || {} },
3261	});
3262
3263	$data = pack "(w/a*)*", $meta, $info->{data};
3264	} else {
3265	$data = $info->{data};
3266	}
3267
3268	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3269	cf::face::set_type $idx, $info->{type};	3619	cf::face::set_type $idx, $type;
		3620	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3621	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3622	$FACEHASH{$info->{hash}} = $idx;#d#
3270	} else {	3623	} else {
3271	$RESOURCE{$name} = $info;	3624	# $RESOURCE{$name} = $info; # unused
3272	}	3625	}
3273		3626
3274	cf::cede_to_tick;	3627	cf::cede_to_tick;
3275	}	3628	}
3276	}	3629	}
3277		3630
3278	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3631	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3279		3632
3280	1	3633	1
3281	}	3634	}
3282
3283	cf::global->attach (on_resource_update => sub {
3284	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3285	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3286
3287	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3288	my $sound = $soundconf->{compat}[$_]
3289	or next;
3290
3291	my $face = cf::face::find "sound/$sound->[1]";
3292	cf::sound::set $sound->[0] => $face;
3293	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3294	}
3295
3296	while (my ($k, $v) = each %{$soundconf->{event}}) {
3297	my $face = cf::face::find "sound/$v";
3298	cf::sound::set $k => $face;
3299	}
3300	}
3301	});
3302		3635
3303	register_exticmd fx_want => sub {	3636	register_exticmd fx_want => sub {
3304	my ($ns, $want) = @_;	3637	my ($ns, $want) = @_;
3305		3638
3306	while (my ($k, $v) = each %$want) {	3639	while (my ($k, $v) = each %$want) {
3307	$ns->fx_want ($k, $v);	3640	$ns->fx_want ($k, $v);
3308	}	3641	}
3309	};	3642	};
		3643
		3644	sub load_resource_file($) {
		3645	my $guard = lock_acquire "load_resource_file";
		3646
		3647	my $status = load_resource_file_ $_[0];
		3648	get_slot 0.1, 100;
		3649	cf::arch::commit_load;
		3650
		3651	$status
		3652	}
		3653
		3654	sub reload_exp_table {
		3655	_reload_exp_table;
		3656
		3657	set_face "res/exp_table" => FT_RSRC,
		3658	JSON::XS->new->utf8->canonical->encode (
		3659	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3660	);
		3661	}
		3662
		3663	sub reload_materials {
		3664	_reload_materials;
		3665	}
3310		3666
3311	sub reload_regions {	3667	sub reload_regions {
3312	# HACK to clear player env face cache, we need some signal framework	3668	# HACK to clear player env face cache, we need some signal framework
3313	# for this (global event?)	3669	# for this (global event?)
3314	%ext::player_env::MUSIC_FACE_CACHE = ();	3670	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3328	}	3684	}
3329		3685
3330	sub reload_archetypes {	3686	sub reload_archetypes {
3331	load_resource_file "$DATADIR/archetypes"	3687	load_resource_file "$DATADIR/archetypes"
3332	or die "unable to load archetypes\n";	3688	or die "unable to load archetypes\n";
3333	#d# NEED to laod twice to resolve forward references	3689
3334	# this really needs to be done in an extra post-pass	3690	set_face "res/skill_info" => FT_RSRC,
3335	# (which needs to be synchronous, so solve it differently)	3691	JSON::XS->new->utf8->canonical->encode (
3336	load_resource_file "$DATADIR/archetypes"	3692	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
3337	or die "unable to load archetypes\n";	3693	);
		3694	set_face "res/spell_paths" => FT_RSRC,
		3695	JSON::XS->new->utf8->canonical->encode (
		3696	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3697	);
3338	}	3698	}
3339		3699
3340	sub reload_treasures {	3700	sub reload_treasures {
3341	load_resource_file "$DATADIR/treasures"	3701	load_resource_file "$DATADIR/treasures"
3342	or die "unable to load treasurelists\n";	3702	or die "unable to load treasurelists\n";
3343	}	3703	}
3344		3704
		3705	sub reload_sound {
		3706	trace "loading sound config from $DATADIR/sound\n";
		3707
		3708	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3709
		3710	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3711	my $sound = $soundconf->{compat}[$_]
		3712	or next;
		3713
		3714	my $face = cf::face::find "sound/$sound->[1]";
		3715	cf::sound::set $sound->[0] => $face;
		3716	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3717	}
		3718
		3719	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3720	my $face = cf::face::find "sound/$v";
		3721	cf::sound::set $k => $face;
		3722	}
		3723	}
		3724
3345	sub reload_resources {	3725	sub reload_resources {
3346	warn "reloading resource files...\n";	3726	trace "reloading resource files...\n";
3347		3727
		3728	reload_materials;
		3729	reload_facedata;
		3730	reload_exp_table;
		3731	reload_sound;
		3732	reload_archetypes;
3348	reload_regions;	3733	reload_regions;
3349	reload_facedata;
3350	#reload_archetypes;#d#
3351	reload_archetypes;
3352	reload_treasures;	3734	reload_treasures;
3353		3735
3354	warn "finished reloading resource files\n";	3736	trace "finished reloading resource files\n";
3355	}
3356
3357	sub init {
3358	reload_resources;
3359	}	3737	}
3360		3738
3361	sub reload_config {	3739	sub reload_config {
3362	open my $fh, "<:utf8", "$CONFDIR/config"	3740	trace "reloading config file...\n";
3363	or return;
3364		3741
3365	local $/;	3742	my $config = load_file "$CONFDIR/config";
3366	*CFG = YAML::Load <$fh>;	3743	utf8::decode $config;
		3744	*CFG = decode_yaml $config;
3367		3745
3368	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3369		3747
3370	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3371	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3372		3750
3373	if (exists $CFG{mlockall}) {	3751	if (exists $CFG{mlockall}) {
…		…
3377	};	3755	};
3378	warn $@ if $@;	3756	warn $@ if $@;
3379	}	3757	}
3380	}	3758	}
3381		3759
		3760	sub pidfile() {
		3761	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3762	or die "$PIDFILE: $!";
		3763	flock $fh, &Fcntl::LOCK_EX
		3764	or die "$PIDFILE: flock: $!";
		3765	$fh
		3766	}
		3767
		3768	# make sure only one server instance is running at any one time
		3769	sub atomic {
		3770	my $fh = pidfile;
		3771
		3772	my $pid = <$fh>;
		3773	kill 9, $pid if $pid > 0;
		3774
		3775	seek $fh, 0, 0;
		3776	print $fh $$;
		3777	}
		3778
		3779	sub main_loop {
		3780	trace "EV::loop starting\n";
		3781	if (1) {
		3782	EV::loop;
		3783	}
		3784	trace "EV::loop returned\n";
		3785	goto &main_loop unless $REALLY_UNLOOP;
		3786	}
		3787
3382	sub main {	3788	sub main {
		3789	cf::init_globals; # initialise logging
		3790
		3791	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3792	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3793	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3794	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3795
		3796	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3797
3383	# we must not ever block the main coroutine	3798	# we must not ever block the main coroutine
3384	local $Coro::idle = sub {	3799	$Coro::idle = sub {
3385	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3800	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3386	(async {	3801	(async {
3387	$Coro::current->{desc} = "IDLE BUG HANDLER";	3802	$Coro::current->{desc} = "IDLE BUG HANDLER";
3388	EV::loop EV::LOOP_ONESHOT;	3803	EV::loop EV::LOOP_ONESHOT;
3389	})->prio (Coro::PRIO_MAX);	3804	})->prio (Coro::PRIO_MAX);
3390	};	3805	};
3391		3806
3392	reload_config;
3393	db_init;
3394	load_extensions;
3395
3396	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
3397	evthread_start IO::AIO::poll_fileno;	3807	evthread_start IO::AIO::poll_fileno;
3398	EV::loop;	3808
		3809	cf::sync_job {
		3810	cf::incloader::init ();
		3811
		3812	db_init;
		3813
		3814	cf::init_anim;
		3815	cf::init_attackmess;
		3816	cf::init_dynamic;
		3817
		3818	cf::load_settings;
		3819
		3820	reload_resources;
		3821	reload_config;
		3822
		3823	cf::init_uuid;
		3824	cf::init_signals;
		3825	cf::init_skills;
		3826
		3827	cf::init_beforeplay;
		3828
		3829	atomic;
		3830
		3831	load_extensions;
		3832
		3833	utime time, time, $RUNTIMEFILE;
		3834
		3835	# no (long-running) fork's whatsoever before this point(!)
		3836	use POSIX ();
		3837	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3838
		3839	cf::_post_init 0;
		3840	};
		3841
		3842	cf::object::thawer::errors_are_fatal 0;
		3843	info "parse errors in files are no longer fatal from this point on.\n";
		3844
		3845	AE::postpone {
		3846	undef &main; # free gobs of memory :)
		3847	};
		3848
		3849	goto &main_loop;
3399	}	3850	}
3400		3851
3401	#############################################################################	3852	#############################################################################
3402	# initialisation and cleanup	3853	# initialisation and cleanup
3403		3854
3404	# install some emergency cleanup handlers	3855	# install some emergency cleanup handlers
3405	BEGIN {	3856	BEGIN {
3406	our %SIGWATCHER = ();	3857	our %SIGWATCHER = ();
3407	for my $signal (qw(INT HUP TERM)) {	3858	for my $signal (qw(INT HUP TERM)) {
3408	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3859	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3409	cf::cleanup "SIG$signal";	3860	cf::cleanup "SIG$signal";
3410	};	3861	};
3411	}	3862	}
3412	}	3863	}
3413		3864
3414	sub write_runtime_sync {	3865	sub write_runtime_sync {
3415	my $runtime = "$LOCALDIR/runtime";	3866	my $t0 = AE::time;
3416		3867
3417	# first touch the runtime file to show we are still running:	3868	# first touch the runtime file to show we are still running:
3418	# the fsync below can take a very very long time.	3869	# the fsync below can take a very very long time.
3419		3870
3420	IO::AIO::aio_utime $runtime, undef, undef;	3871	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3421		3872
3422	my $guard = cf::lock_acquire "write_runtime";	3873	my $guard = cf::lock_acquire "write_runtime";
3423		3874
3424	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3875	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3425	or return;	3876	or return;
3426		3877
3427	my $value = $cf::RUNTIME + 90 + 10;	3878	my $value = $cf::RUNTIME + 90 + 10;
3428	# 10 is the runtime save interval, for a monotonic clock	3879	# 10 is the runtime save interval, for a monotonic clock
3429	# 60 allows for the watchdog to kill the server.	3880	# 60 allows for the watchdog to kill the server.
…		…
3439	aio_utime $fh, undef, undef;	3890	aio_utime $fh, undef, undef;
3440		3891
3441	close $fh	3892	close $fh
3442	or return;	3893	or return;
3443		3894
3444	aio_rename "$runtime~", $runtime	3895	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3445	and return;	3896	and return;
3446		3897
3447	warn "runtime file written.\n";	3898	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3448		3899
3449	1	3900	1
3450	}	3901	}
3451		3902
3452	our $uuid_lock;	3903	our $uuid_lock;
…		…
3461	my $uuid = "$LOCALDIR/uuid";	3912	my $uuid = "$LOCALDIR/uuid";
3462		3913
3463	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3914	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3464	or return;	3915	or return;
3465		3916
3466	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3917	my $value = uuid_seq uuid_cur;
		3918
		3919	unless ($value) {
		3920	info "cowardly refusing to write zero uuid value!\n";
		3921	return;
		3922	}
		3923
		3924	my $value = uuid_str $value + $uuid_skip;
3467	$uuid_skip = 0;	3925	$uuid_skip = 0;
3468		3926
3469	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3927	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3470	and return;	3928	and return;
3471		3929
…		…
3477	or return;	3935	or return;
3478		3936
3479	aio_rename "$uuid~", $uuid	3937	aio_rename "$uuid~", $uuid
3480	and return;	3938	and return;
3481		3939
3482	warn "uuid file written ($value).\n";	3940	trace "uuid file written ($value).\n";
3483		3941
3484	1	3942	1
3485		3943
3486	}	3944	}
3487		3945
…		…
3493	}	3951	}
3494		3952
3495	sub emergency_save() {	3953	sub emergency_save() {
3496	my $freeze_guard = cf::freeze_mainloop;	3954	my $freeze_guard = cf::freeze_mainloop;
3497		3955
3498	warn "enter emergency perl save\n";	3956	info "emergency_perl_save: enter\n";
		3957
		3958	# this is a trade-off: we want to be very quick here, so
		3959	# save all maps without fsync, and later call a global sync
		3960	# (which in turn might be very very slow)
		3961	local $USE_FSYNC = 0;
3499		3962
3500	cf::sync_job {	3963	cf::sync_job {
		3964	cf::write_runtime_sync; # external watchdog should not bark
		3965
3501	# use a peculiar iteration method to avoid tripping on perl	3966	# use a peculiar iteration method to avoid tripping on perl
3502	# refcount bugs in for. also avoids problems with players	3967	# refcount bugs in for. also avoids problems with players
3503	# and maps saved/destroyed asynchronously.	3968	# and maps saved/destroyed asynchronously.
3504	warn "begin emergency player save\n";	3969	info "emergency_perl_save: begin player save\n";
3505	for my $login (keys %cf::PLAYER) {	3970	for my $login (keys %cf::PLAYER) {
3506	my $pl = $cf::PLAYER{$login} or next;	3971	my $pl = $cf::PLAYER{$login} or next;
3507	$pl->valid or next;	3972	$pl->valid or next;
3508	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3973	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3509	$pl->save;	3974	$pl->save;
3510	}	3975	}
3511	warn "end emergency player save\n";	3976	info "emergency_perl_save: end player save\n";
3512		3977
3513	warn "begin emergency map save\n";	3978	cf::write_runtime_sync; # external watchdog should not bark
		3979
		3980	info "emergency_perl_save: begin map save\n";
3514	for my $path (keys %cf::MAP) {	3981	for my $path (keys %cf::MAP) {
3515	my $map = $cf::MAP{$path} or next;	3982	my $map = $cf::MAP{$path} or next;
3516	$map->valid or next;	3983	$map->valid or next;
3517	$map->save;	3984	$map->save;
3518	}	3985	}
3519	warn "end emergency map save\n";	3986	info "emergency_perl_save: end map save\n";
3520		3987
3521	warn "begin emergency database checkpoint\n";	3988	cf::write_runtime_sync; # external watchdog should not bark
		3989
		3990	info "emergency_perl_save: begin database checkpoint\n";
3522	BDB::db_env_txn_checkpoint $DB_ENV;	3991	BDB::db_env_txn_checkpoint $DB_ENV;
3523	warn "end emergency database checkpoint\n";	3992	info "emergency_perl_save: end database checkpoint\n";
3524		3993
3525	warn "begin write uuid\n";	3994	info "emergency_perl_save: begin write uuid\n";
3526	write_uuid_sync 1;	3995	write_uuid_sync 1;
3527	warn "end write uuid\n";	3996	info "emergency_perl_save: end write uuid\n";
		3997
		3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	trace "emergency_perl_save: syncing database to disk";
		4001	BDB::db_env_txn_checkpoint $DB_ENV;
		4002
		4003	info "emergency_perl_save: starting sync\n";
		4004	IO::AIO::aio_sync sub {
		4005	info "emergency_perl_save: finished sync\n";
		4006	};
		4007
		4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	trace "emergency_perl_save: flushing outstanding aio requests";
		4011	while (IO::AIO::nreqs || BDB::nreqs) {
		4012	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4013	}
		4014
		4015	cf::write_runtime_sync; # external watchdog should not bark
3528	};	4016	};
3529		4017
3530	warn "leave emergency perl save\n";	4018	info "emergency_perl_save: leave\n";
3531	}	4019	}
3532		4020
3533	sub post_cleanup {	4021	sub post_cleanup {
3534	my ($make_core) = @_;	4022	my ($make_core) = @_;
3535		4023
		4024	IO::AIO::flush;
		4025
3536	warn Carp::longmess "post_cleanup backtrace"	4026	error Carp::longmess "post_cleanup backtrace"
3537	if $make_core;	4027	if $make_core;
		4028
		4029	my $fh = pidfile;
		4030	unlink $PIDFILE if <$fh> == $$;
		4031	}
		4032
		4033	# a safer delete_package, copied from Symbol
		4034	sub clear_package($) {
		4035	my $pkg = shift;
		4036
		4037	# expand to full symbol table name if needed
		4038	unless ($pkg =~ /^main::.*::$/) {
		4039	$pkg = "main$pkg" if $pkg =~ /^::/;
		4040	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4041	$pkg .= '::' unless $pkg =~ /::$/;
		4042	}
		4043
		4044	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4045	my $stem_symtab = *{$stem}{HASH};
		4046
		4047	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4048	or return;
		4049
		4050	# clear all symbols
		4051	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4052	for my $name (keys %$leaf_symtab) {
		4053	_gv_clear *{"$pkg$name"};
		4054	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4055	}
3538	}	4056	}
3539		4057
3540	sub do_reload_perl() {	4058	sub do_reload_perl() {
3541	# can/must only be called in main	4059	# can/must only be called in main
3542	if ($Coro::current != $Coro::main) {	4060	unless (in_main) {
3543	warn "can only reload from main coroutine";	4061	error "can only reload from main coroutine";
3544	return;	4062	return;
3545	}	4063	}
3546		4064
3547	warn "reloading...";	4065	return if $RELOAD++;
3548		4066
3549	warn "entering sync_job";	4067	my $t1 = AE::time;
3550		4068
		4069	while ($RELOAD) {
		4070	cf::get_slot 0.1, -1, "reload_perl";
		4071	info "perl_reload: reloading...";
		4072
		4073	trace "perl_reload: entering sync_job";
		4074
3551	cf::sync_job {	4075	cf::sync_job {
3552	cf::write_runtime_sync; # external watchdog should not bark
3553	cf::emergency_save;	4076	#cf::emergency_save;
3554	cf::write_runtime_sync; # external watchdog should not bark
3555		4077
3556	warn "syncing database to disk";
3557	BDB::db_env_txn_checkpoint $DB_ENV;
3558
3559	# if anything goes wrong in here, we should simply crash as we already saved
3560
3561	warn "flushing outstanding aio requests";
3562	for (;;) {
3563	BDB::flush;
3564	IO::AIO::flush;
3565	Coro::cede_notself;
3566	last unless IO::AIO::nreqs || BDB::nreqs;
3567	warn "iterate...";
3568	}
3569
3570	++$RELOAD;
3571
3572	warn "cancelling all extension coros";	4078	trace "perl_reload: cancelling all extension coros";
3573	$_->cancel for values %EXT_CORO;	4079	$_->cancel for values %EXT_CORO;
3574	%EXT_CORO = ();	4080	%EXT_CORO = ();
3575		4081
3576	warn "removing commands";	4082	trace "perl_reload: removing commands";
3577	%COMMAND = ();	4083	%COMMAND = ();
3578		4084
3579	warn "removing ext/exti commands";	4085	trace "perl_reload: removing ext/exti commands";
3580	%EXTCMD = ();	4086	%EXTCMD = ();
3581	%EXTICMD = ();	4087	%EXTICMD = ();
3582		4088
3583	warn "unloading/nuking all extensions";	4089	trace "perl_reload: unloading/nuking all extensions";
3584	for my $pkg (@EXTS) {	4090	for my $pkg (@EXTS) {
3585	warn "... unloading $pkg";	4091	trace "... unloading $pkg";
3586		4092
3587	if (my $cb = $pkg->can ("unload")) {	4093	if (my $cb = $pkg->can ("unload")) {
3588	eval {	4094	eval {
3589	$cb->($pkg);	4095	$cb->($pkg);
3590	1	4096	1
3591	} or warn "$pkg unloaded, but with errors: $@";	4097	} or error "$pkg unloaded, but with errors: $@";
		4098	}
		4099
		4100	trace "... clearing $pkg";
		4101	clear_package $pkg;
3592	}	4102	}
3593		4103
3594	warn "... nuking $pkg";
3595	Symbol::delete_package $pkg;
3596	}
3597
3598	warn "unloading all perl modules loaded from $LIBDIR";	4104	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3599	while (my ($k, $v) = each %INC) {	4105	while (my ($k, $v) = each %INC) {
3600	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4106	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3601		4107
3602	warn "... unloading $k";	4108	trace "... unloading $k";
3603	delete $INC{$k};	4109	delete $INC{$k};
3604		4110
3605	$k =~ s/\.pm$//;	4111	$k =~ s/\.pm$//;
3606	$k =~ s/\//::/g;	4112	$k =~ s/\//::/g;
3607		4113
3608	if (my $cb = $k->can ("unload_module")) {	4114	if (my $cb = $k->can ("unload_module")) {
3609	$cb->();	4115	$cb->();
		4116	}
		4117
		4118	clear_package $k;
3610	}	4119	}
3611		4120
3612	Symbol::delete_package $k;
3613	}
3614
3615	warn "getting rid of safe::, as good as possible";	4121	trace "perl_reload: getting rid of safe::, as good as possible";
3616	Symbol::delete_package "safe::$_"	4122	clear_package "safe::$_"
3617	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4123	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3618		4124
3619	warn "unloading cf.pm \"a bit\"";	4125	trace "perl_reload: unloading cf.pm \"a bit\"";
3620	delete $INC{"cf.pm"};	4126	delete $INC{"cf.pm"};
3621	delete $INC{"cf/pod.pm"};	4127	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3622		4128
3623	# don't, removes xs symbols, too,	4129	# don't, removes xs symbols, too,
3624	# and global variables created in xs	4130	# and global variables created in xs
3625	#Symbol::delete_package __PACKAGE__;	4131	#clear_package __PACKAGE__;
3626		4132
3627	warn "unload completed, starting to reload now";	4133	info "perl_reload: unload completed, starting to reload now";
3628		4134
3629	warn "reloading cf.pm";	4135	trace "perl_reload: reloading cf.pm";
3630	require cf;	4136	require cf;
3631	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4137	cf::_connect_to_perl_1;
3632		4138
3633	warn "loading config and database again";	4139	trace "perl_reload: loading config and database again";
3634	cf::reload_config;	4140	cf::reload_config;
3635		4141
3636	warn "loading extensions";	4142	trace "perl_reload: loading extensions";
3637	cf::load_extensions;	4143	cf::load_extensions;
3638		4144
		4145	if ($REATTACH_ON_RELOAD) {
3639	warn "reattaching attachments to objects/players";	4146	trace "perl_reload: reattaching attachments to objects/players";
3640	_global_reattach; # objects, sockets	4147	_global_reattach; # objects, sockets
3641	warn "reattaching attachments to maps";	4148	trace "perl_reload: reattaching attachments to maps";
3642	reattach $_ for values %MAP;	4149	reattach $_ for values %MAP;
3643	warn "reattaching attachments to players";	4150	trace "perl_reload: reattaching attachments to players";
3644	reattach $_ for values %PLAYER;	4151	reattach $_ for values %PLAYER;
		4152	}
3645		4153
3646	warn "leaving sync_job";	4154	cf::_post_init 1;
3647		4155
		4156	trace "perl_reload: leaving sync_job";
		4157
3648	1	4158	1
3649	} or do {	4159	} or do {
3650	warn $@;	4160	error $@;
3651	cf::cleanup "error while reloading, exiting.";	4161	cf::cleanup "perl_reload: error, exiting.";
		4162	};
		4163
		4164	--$RELOAD;
3652	};	4165	}
3653		4166
3654	warn "reloaded";	4167	$t1 = AE::time - $t1;
		4168	info "perl_reload: completed in ${t1}s\n";
3655	};	4169	};
3656		4170
3657	our $RELOAD_WATCHER; # used only during reload	4171	our $RELOAD_WATCHER; # used only during reload
3658		4172
3659	sub reload_perl() {	4173	sub reload_perl() {
3660	# doing reload synchronously and two reloads happen back-to-back,	4174	# doing reload synchronously and two reloads happen back-to-back,
3661	# coro crashes during coro_state_free->destroy here.	4175	# coro crashes during coro_state_free->destroy here.
3662		4176
		4177	$RELOAD_WATCHER ||= cf::async {
		4178	Coro::AIO::aio_wait cache_extensions;
		4179
3663	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4180	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3664	do_reload_perl;	4181	do_reload_perl;
3665	undef $RELOAD_WATCHER;	4182	undef $RELOAD_WATCHER;
		4183	};
3666	};	4184	};
3667	}	4185	}
3668		4186
3669	register_command "reload" => sub {	4187	register_command "reload" => sub {
3670	my ($who, $arg) = @_;	4188	my ($who, $arg) = @_;
…		…
3676	reload_perl;	4194	reload_perl;
3677	};	4195	};
3678	}	4196	}
3679	};	4197	};
3680		4198
3681	unshift @INC, $LIBDIR;	4199	#############################################################################
3682		4200
3683	my $bug_warning = 0;	4201	my $bug_warning = 0;
3684		4202
3685	our @WAIT_FOR_TICK;
3686	our @WAIT_FOR_TICK_BEGIN;
3687
3688	sub wait_for_tick {	4203	sub wait_for_tick() {
3689	return if tick_inhibit;	4204	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3690	return if $Coro::current == $Coro::main;
3691		4205
3692	my $signal = new Coro::Signal;	4206	$WAIT_FOR_TICK->wait;
3693	push @WAIT_FOR_TICK, $signal;
3694	$signal->wait;
3695	}	4207	}
3696		4208
3697	sub wait_for_tick_begin {	4209	sub wait_for_tick_begin() {
3698	return if tick_inhibit;	4210	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3699	return if $Coro::current == $Coro::main;
3700		4211
3701	my $signal = new Coro::Signal;	4212	my $signal = new Coro::Signal;
3702	push @WAIT_FOR_TICK_BEGIN, $signal;	4213	push @WAIT_FOR_TICK_BEGIN, $signal;
3703	$signal->wait;	4214	$signal->wait;
3704	}	4215	}
…		…
3708	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4219	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3709	unless ++$bug_warning > 10;	4220	unless ++$bug_warning > 10;
3710	return;	4221	return;
3711	}	4222	}
3712		4223
3713	cf::server_tick; # one server iteration	4224	cf::one_tick; # one server iteration
		4225
		4226	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3714		4227
3715	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4228	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3716	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4229	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3717	Coro::async_pool {	4230	Coro::async_pool {
3718	$Coro::current->{desc} = "runtime saver";	4231	$Coro::current->{desc} = "runtime saver";
3719	write_runtime_sync	4232	write_runtime_sync
3720	or warn "ERROR: unable to write runtime file: $!";	4233	or error "ERROR: unable to write runtime file: $!";
3721	};	4234	};
3722	}	4235	}
3723		4236
3724	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4237	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3725	$sig->send;	4238	$sig->send;
3726	}	4239	}
3727	while (my $sig = shift @WAIT_FOR_TICK) {	4240	$WAIT_FOR_TICK->broadcast;
3728	$sig->send;
3729	}
3730		4241
3731	$LOAD = ($NOW - $TICK_START) / $TICK;	4242	$LOAD = ($NOW - $TICK_START) / $TICK;
3732	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4243	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3733		4244
3734	if (0) {	4245	if (0) {
3735	if ($NEXT_TICK) {	4246	if ($NEXT_TICK) {
3736	my $jitter = $TICK_START - $NEXT_TICK;	4247	my $jitter = $TICK_START - $NEXT_TICK;
3737	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4248	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3738	warn "jitter $JITTER\n";#d#	4249	debug "jitter $JITTER\n";#d#
3739	}	4250	}
3740	}	4251	}
3741	}	4252	}
3742		4253
3743	{	4254	{
3744	# configure BDB	4255	# configure BDB
		4256	info "initialising database";
3745		4257
3746	BDB::min_parallel 8;	4258	BDB::min_parallel 16;
3747	BDB::max_poll_reqs $TICK * 0.1;	4259	BDB::max_poll_reqs $TICK * 0.1;
3748	$Coro::BDB::WATCHER->priority (1);	4260	#$AnyEvent::BDB::WATCHER->priority (1);
3749		4261
3750	unless ($DB_ENV) {	4262	unless ($DB_ENV) {
3751	$DB_ENV = BDB::db_env_create;	4263	$DB_ENV = BDB::db_env_create;
3752	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4264	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3753	| BDB::LOG_AUTOREMOVE, 1);	4265	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4266	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3754	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4267	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3755	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4268	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3756		4269
3757	cf::sync_job {	4270	cf::sync_job {
3758	eval {	4271	eval {
…		…
3777	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4290	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3778	};	4291	};
3779	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4292	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3780	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4293	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3781	};	4294	};
		4295
		4296	info "database initialised";
3782	}	4297	}
3783		4298
3784	{	4299	{
3785	# configure IO::AIO	4300	# configure IO::AIO
3786		4301
		4302	info "initialising aio";
3787	IO::AIO::min_parallel 8;	4303	IO::AIO::min_parallel 8;
3788	IO::AIO::max_poll_time $TICK * 0.1;	4304	IO::AIO::max_poll_time $TICK * 0.1;
3789	$Coro::AIO::WATCHER->priority (1);	4305	undef $AnyEvent::AIO::WATCHER;
		4306	info "aio initialised";
3790	}	4307	}
3791		4308
3792	my $_log_backtrace;	4309	our $_log_backtrace;
		4310	our $_log_backtrace_last;
3793		4311
3794	sub _log_backtrace {	4312	sub _log_backtrace {
3795	my ($msg, @addr) = @_;	4313	my ($msg, @addr) = @_;
3796		4314
3797	$msg =~ s/\n//;	4315	$msg =~ s/\n$//;
3798		4316
		4317	if ($_log_backtrace_last eq $msg) {
		4318	LOG llevInfo, "[ABT] $msg\n";
		4319	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3799	# limit the # of concurrent backtraces	4320	# limit the # of concurrent backtraces
3800	if ($_log_backtrace < 2) {	4321	} elsif ($_log_backtrace < 2) {
		4322	$_log_backtrace_last = $msg;
3801	++$_log_backtrace;	4323	++$_log_backtrace;
		4324	my $perl_bt = Carp::longmess $msg;
3802	async {	4325	async {
3803	$Coro::current->{desc} = "abt $msg";	4326	$Coro::current->{desc} = "abt $msg";
3804		4327
3805	my @bt = fork_call {	4328	my @bt = fork_call {
3806	@addr = map { sprintf "%x", $_ } @addr;	4329	@addr = map { sprintf "%x", $_ } @addr;
…		…
3817	}	4340	}
3818		4341
3819	@funcs	4342	@funcs
3820	};	4343	};
3821		4344
3822	LOG llevInfo, "[ABT] $msg\n";	4345	LOG llevInfo, "[ABT] $perl_bt\n";
		4346	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3823	LOG llevInfo, "[ABT] $_\n" for @bt;	4347	LOG llevInfo, "[ABT] $_\n" for @bt;
3824	--$_log_backtrace;	4348	--$_log_backtrace;
3825	};	4349	};
3826	} else {	4350	} else {
3827	LOG llevInfo, "[ABT] $msg\n";	4351	LOG llevInfo, "[ABT] $msg\n";
3828	LOG llevInfo, "[ABT] [suppressed]\n";	4352	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3829	}	4353	}
3830	}	4354	}
3831		4355
3832	# load additional modules	4356	# load additional modules
3833	use cf::pod;	4357	require "cf/$_.pm" for @EXTRA_MODULES;
		4358	cf::_connect_to_perl_2;
3834		4359
3835	END { cf::emergency_save }	4360	END { cf::emergency_save }
3836		4361
3837	1	4362	1
3838		4363

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