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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.386 by root, Mon Oct 15 17:50:27 2007 UTC vs.
Revision 1.584 by root, Tue Oct 30 17:07:50 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.51 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	129	our $DB_ENV;
89		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
90	our %CFG;	133	our %CFG;
		134	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
91		135
92	our $UPTIME; $UPTIME ||= time;	136	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	137	our $RUNTIME = 0;
		138	our $SERVER_TICK = 0;
		139	our $NOW;
94		140
95	our (%PLAYER, %PLAYER_LOADING); # all users	141	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	142	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	143	our $LINK_MAP; # the special {link} map, which is always available
98		144
99	# used to convert map paths into valid unix filenames by replacing / by ∕	145	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	146	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		147
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	148	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	149	our $LOADAVG; # same thing, but with alpha-smoothing
		150	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	151	our $TICK_START; # for load detecting purposes
		152
		153	our @POST_INIT;
		154
		155	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		156	our $REALLY_UNLOOP; # never set to true, please :)
		157
		158	our $WAIT_FOR_TICK = new Coro::Signal;
		159	our @WAIT_FOR_TICK_BEGIN;
105		160
106	binmode STDOUT;	161	binmode STDOUT;
107	binmode STDERR;	162	binmode STDERR;
108		163
109	# read virtual server time, if available	164	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	165	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	166	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	167	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	168	$RUNTIME = <$fh> + 0.;
114	}	169	}
		170
		171	eval "sub TICK() { $TICK } 1" or die;
115		172
116	mkdir $_	173	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	174	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		175
119	our $EMERGENCY_POSITION;	176	our $EMERGENCY_POSITION;
120		177
121	sub cf::map::normalise;	178	sub cf::map::normalise;
122		179
		180	sub in_main() {
		181	$Coro::current == $Coro::main
		182	}
		183
123	#############################################################################	184	#############################################################################
124		185
		186	%REFLECT = ();
		187	for (@REFLECT) {
		188	my $reflect = JSON::XS::decode_json $_;
		189	$REFLECT{$reflect->{class}} = $reflect;
		190	}
		191
		192	# this is decidedly evil
		193	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		194
		195	#############################################################################
		196
125	=head2 GLOBAL VARIABLES	197	=head2 GLOBAL VARIABLES
126		198
127	=over 4	199	=over 4
128		200
129	=item $cf::UPTIME	201	=item $cf::UPTIME
130		202
131	The timestamp of the server start (so not actually an uptime).	203	The timestamp of the server start (so not actually an "uptime").
		204
		205	=item $cf::SERVER_TICK
		206
		207	An unsigned integer that starts at zero when the server is started and is
		208	incremented on every tick.
		209
		210	=item $cf::NOW
		211
		212	The (real) time of the last (current) server tick - updated before and
		213	after tick processing, so this is useful only as a rough "what time is it
		214	now" estimate.
		215
		216	=item $cf::TICK
		217
		218	The interval between each server tick, in seconds.
132		219
133	=item $cf::RUNTIME	220	=item $cf::RUNTIME
134		221
135	The time this server has run, starts at 0 and is increased by $cf::TICK on	222	The time this server has run, starts at 0 and is increased by $cf::TICK on
136	every server tick.	223	every server tick.
…		…
142	Various directories - "/etc", read-only install directory, perl-library	229	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	230	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	231	unique-items directory, player file directory, random maps directory and
145	database environment.	232	database environment.
146		233
147	=item $cf::NOW
148
149	The time of the last (current) server tick.
150
151	=item $cf::TICK
152
153	The interval between server ticks, in seconds.
154
155	=item $cf::LOADAVG	234	=item $cf::LOADAVG
156		235
157	The current CPU load on the server (alpha-smoothed), as a value between 0	236	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	237	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	238	objects per tick. Healthy values are < 0.5.
…		…
162		241
163	The raw value load value from the last tick.	242	The raw value load value from the last tick.
164		243
165	=item %cf::CFG	244	=item %cf::CFG
166		245
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	246	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	247	from wherever your confdir points to.
169		248
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	249	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		250
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	251	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	252	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	253	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		254
		255	Note that cf::Wait_for_tick will immediately return when the server is not
		256	ticking, making it suitable for small pauses in threads that need to run
		257	when the server is paused. If that is not applicable (i.e. you I<really>
		258	want to wait, use C<$cf::WAIT_FOR_TICK>).
		259
		260	=item $cf::WAIT_FOR_TICK
		261
		262	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		263	variable contains a L<Coro::Signal> that is broadcats after every server
		264	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		265	next server tick.
		266
		267	=cut
		268
		269	sub wait_for_tick();
		270	sub wait_for_tick_begin();
		271
176	=item @cf::INVOKE_RESULTS	272	=item @cf::INVOKE_RESULTS
177		273
178	This array contains the results of the last C<invoke ()> call. When	274	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	275	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	276	that call.
181		277
		278	=item %cf::REFLECT
		279
		280	Contains, for each (C++) class name, a hash reference with information
		281	about object members (methods, scalars, arrays and flags) and other
		282	metadata, which is useful for introspection.
		283
182	=back	284	=back
183		285
184	=cut	286	=cut
185		287
186	BEGIN {	288	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	289	sub warn (@) { LOG llevWarn , join "", @_ }
		290	sub info (@) { LOG llevInfo , join "", @_ }
		291	sub debug(@) { LOG llevDebug, join "", @_ }
		292	sub trace(@) { LOG llevTrace, join "", @_ }
		293
		294	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	295	my $msg = join "", @_;
189		296
190	$msg .= "\n"	297	$msg .= "\n"
191	unless $msg =~ /\n$/;	298	unless $msg =~ /\n$/;
192		299
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	300	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		301
195	LOG llevError, $msg;	302	LOG llevWarn, $msg;
196	};	303	};
197	}	304
		305	$Coro::State::DIEHOOK = sub {
		306	return unless $^S eq 0; # "eq", not "=="
		307
		308	error Carp::longmess $_[0];
		309
		310	if (in_main) {#d#
		311	error "DIEHOOK called in main context, Coro bug?\n";#d#
		312	return;#d#
		313	}#d#
		314
		315	# kill coroutine otherwise
		316	Coro::terminate
		317	};
198		318
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	319	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	320	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	321	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	322	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	329	for my $pkg (qw(
210	cf::global cf::attachable	330	cf::global cf::attachable
211	cf::object cf::object::player	331	cf::object cf::object::player
212	cf::client cf::player	332	cf::client cf::player
213	cf::arch cf::living	333	cf::arch cf::living
		334	cf::map cf::mapspace
214	cf::map cf::party cf::region	335	cf::party cf::region
215	)) {	336	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	337	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	338	}
219		339
220	$Event::DIED = sub {	340	$EV::DIED = sub {
221	warn "error in event callback: @_";	341	Carp::cluck "error in event callback: @_";
222	};	342	};
		343
		344	#############################################################################
		345
		346	sub fork_call(&@);
		347	sub get_slot($;$$);
223		348
224	#############################################################################	349	#############################################################################
225		350
226	=head2 UTILITY FUNCTIONS	351	=head2 UTILITY FUNCTIONS
227		352
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	373	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	374	$d
250	} || "[unable to dump $_[0]: '$@']";	375	} || "[unable to dump $_[0]: '$@']";
251	}	376	}
252		377
		378	=item $scalar = cf::load_file $path
		379
		380	Loads the given file from path and returns its contents. Croaks on error
		381	and can block.
		382
		383	=cut
		384
		385	sub load_file($) {
		386	0 <= aio_load $_[0], my $data
		387	or Carp::croak "$_[0]: $!";
		388
		389	$data
		390	}
		391
		392	=item $success = cf::replace_file $path, $data, $sync
		393
		394	Atomically replaces the file at the given $path with new $data, and
		395	optionally $sync the data to disk before replacing the file.
		396
		397	=cut
		398
		399	sub replace_file($$;$) {
		400	my ($path, $data, $sync) = @_;
		401
		402	my $lock = cf::lock_acquire ("replace_file:$path");
		403
		404	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		405	or return;
		406
		407	$data = $data->() if ref $data;
		408
		409	length $data == aio_write $fh, 0, (length $data), $data, 0
		410	or return;
		411
		412	!$sync
		413	or !aio_fsync $fh
		414	or return;
		415
		416	aio_close $fh
		417	and return;
		418
		419	aio_rename "$path~", $path
		420	and return;
		421
		422	if ($sync) {
		423	$path =~ s%/[^/]*$%%;
		424	aio_pathsync $path;
		425	}
		426
		427	1
		428	}
		429
253	=item $ref = cf::from_json $json	430	=item $ref = cf::decode_json $json
254		431
255	Converts a JSON string into the corresponding perl data structure.	432	Converts a JSON string into the corresponding perl data structure.
256		433
257	=item $json = cf::to_json $ref	434	=item $json = cf::encode_json $ref
258		435
259	Converts a perl data structure into its JSON representation.	436	Converts a perl data structure into its JSON representation.
260		437
261	=cut	438	=cut
262		439
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	440	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		441
265	sub to_json ($) { $json_coder->encode ($_[0]) }	442	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	443	sub decode_json($) { $json_coder->decode ($_[0]) }
		444
		445	=item $ref = cf::decode_storable $scalar
		446
		447	Same as Coro::Storable::thaw, so blocks.
		448
		449	=cut
		450
		451	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		452
		453	=item $ref = cf::decode_yaml $scalar
		454
		455	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		456
		457	=cut
		458
		459	sub decode_yaml($) {
		460	fork_call { YAML::XS::Load $_[0] } @_
		461	}
		462
		463	=item $scalar = cf::unlzf $scalar
		464
		465	Same as Compress::LZF::compress, but takes server ticks into account, so
		466	blocks.
		467
		468	=cut
		469
		470	sub unlzf($) {
		471	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		472	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		473	Compress::LZF::decompress $_[0]
		474	}
		475
		476	=item cf::post_init { BLOCK }
		477
		478	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		479	but I<before> the server starts ticking again.
		480
		481	The codeblock will have a single boolean argument to indicate whether this
		482	is a reload or not.
		483
		484	=cut
		485
		486	sub post_init(&) {
		487	push @POST_INIT, shift;
		488	}
		489
		490	sub _post_init {
		491	trace "running post_init jobs";
		492
		493	# run them in parallel...
		494
		495	my @join;
		496
		497	while () {
		498	push @join, map &Coro::async ($_, 0), @POST_INIT;
		499	@POST_INIT = ();
		500
		501	@join or last;
		502
		503	(pop @join)->join;
		504	}
		505	}
267		506
268	=item cf::lock_wait $string	507	=item cf::lock_wait $string
269		508
270	Wait until the given lock is available. See cf::lock_acquire.	509	Wait until the given lock is available. See cf::lock_acquire.
271		510
272	=item my $lock = cf::lock_acquire $string	511	=item my $lock = cf::lock_acquire $string
273		512
274	Wait until the given lock is available and then acquires it and returns	513	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	514	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	515	for example when the coroutine gets canceled), the lock is automatically
277	returned.	516	returned.
278		517
279	Locks are *not* recursive, locking from the same coro twice results in a	518	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	519	deadlocked coro.
…		…
286		525
287	Return true if the lock is currently active, i.e. somebody has locked it.	526	Return true if the lock is currently active, i.e. somebody has locked it.
288		527
289	=cut	528	=cut
290		529
291	our %LOCK;	530	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		531
294	sub lock_wait($) {	532	sub lock_wait($) {
295	my ($key) = @_;	533	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	534	}
308		535
309	sub lock_acquire($) {	536	sub lock_acquire($) {
310	my ($key) = @_;	537	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	538	}
324		539
325	sub lock_active($) {	540	sub lock_active($) {
326	my ($key) = @_;	541	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	542	}
330		543
331	sub freeze_mainloop {	544	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	545	tick_inhibit_inc;
333		546
334	my $guard = Coro::guard {	547	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	548	}
336	};	549
337	$TICK_WATCHER->stop;	550	=item cf::periodic $interval, $cb
338	$guard	551
		552	Like EV::periodic, but randomly selects a starting point so that the actions
		553	get spread over time.
		554
		555	=cut
		556
		557	sub periodic($$) {
		558	my ($interval, $cb) = @_;
		559
		560	my $start = rand List::Util::min 180, $interval;
		561
		562	EV::periodic $start, $interval, 0, $cb
339	}	563	}
340		564
341	=item cf::get_slot $time[, $priority[, $name]]	565	=item cf::get_slot $time[, $priority[, $name]]
342		566
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	567	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	568	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	569	C<$time> seconds of cpu time till the next tick. The slot is only valid
		570	till the next cede.
		571
		572	Background jobs should use a priority les than zero, interactive jobs
		573	should use 100 or more.
346		574
347	The optional C<$name> can be used to identify the job to run. It might be	575	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	576	used for statistical purposes and should identify the same time-class.
349		577
350	Useful for short background jobs.	578	Useful for short background jobs.
351		579
352	=cut	580	=cut
353		581
354	our @SLOT_QUEUE;	582	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	583	our $SLOT_QUEUE;
		584	our $SLOT_DECAY = 0.9;
356		585
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	586	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	587	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	588	$Coro::current->desc ("timeslot manager");
360		589
361	my $signal = new Coro::Signal;	590	my $signal = new Coro::Signal;
		591	my $busy;
362		592
363	while () {	593	while () {
364	next_job:	594	next_job:
		595
365	my $avail = cf::till_tick;	596	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	597
367	for (0 .. $#SLOT_QUEUE) {	598	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	599	if ($SLOT_QUEUE[$_][0] <= $avail) {
		600	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	601	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	602	$job->[2]->send;
371	Coro::cede;	603	Coro::cede;
372	goto next_job;	604	goto next_job;
373	}	605	} else {
		606	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	607	}
375	}	608	}
376		609
377	if (@SLOT_QUEUE) {	610	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	611	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	612	$WAIT_FOR_TICK->wait;
380	$signal->wait;
381	} else {	613	} else {
		614	$busy = 0;
382	Coro::schedule;	615	Coro::schedule;
383	}	616	}
384	}	617	}
385	};	618	};
386		619
387	sub get_slot($;$$) {	620	sub get_slot($;$$) {
		621	return if tick_inhibit || $Coro::current == $Coro::main;
		622
388	my ($time, $pri, $name) = @_;	623	my ($time, $pri, $name) = @_;
389		624
390	$time = $TICK * .6 if $time > $TICK * .6;	625	$time = clamp $time, 0.01, $TICK * .6;
		626
391	my $sig = new Coro::Signal;	627	my $sig = new Coro::Signal;
392		628
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	629	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	630	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	631	$SLOT_QUEUE->ready;
…		…
406		642
407	BEGIN { *async = \&Coro::async_pool }	643	BEGIN { *async = \&Coro::async_pool }
408		644
409	=item cf::sync_job { BLOCK }	645	=item cf::sync_job { BLOCK }
410		646
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	647	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	648	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	649	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	650	acceptable.
415		651
416	If it must be done, put the blocking parts into C<sync_job>. This will run	652	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	653	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	657	=cut
422		658
423	sub sync_job(&) {	659	sub sync_job(&) {
424	my ($job) = @_;	660	my ($job) = @_;
425		661
426	if ($Coro::current == $Coro::main) {	662	if (in_main) {
427	my $time = Event::time;	663	my $time = AE::time;
428		664
429	# this is the main coro, too bad, we have to block	665	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	666	# till the operation succeeds, freezing the server :/
431		667
432	LOG llevError, Carp::longmess "sync job";#d#	668	#LOG llevError, Carp::longmess "sync job";#d#
433		669
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	670	my $freeze_guard = freeze_mainloop;
437		671
438	my $busy = 1;	672	my $busy = 1;
439	my @res;	673	my @res;
440		674
441	(async {	675	(async {
442	$Coro::current->desc ("sync job coro");	676	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	677	@res = eval { $job->() };
444	warn $@ if $@;	678	error $@ if $@;
445	undef $busy;	679	undef $busy;
446	})->prio (Coro::PRIO_MAX);	680	})->prio (Coro::PRIO_MAX);
447		681
448	while ($busy) {	682	while ($busy) {
449	Coro::cede or Event::one_event;	683	if (Coro::nready) {
		684	Coro::cede_notself;
		685	} else {
		686	EV::loop EV::LOOP_ONESHOT;
450	}	687	}
		688	}
451		689
452	$time = Event::time - $time;	690	my $time = AE::time - $time;
453		691
454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
456
457	$tick_start += $time; # do not account sync jobs to server load	692	$TICK_START += $time; # do not account sync jobs to server load
458		693
459	wantarray ? @res : $res[0]	694	wantarray ? @res : $res[0]
460	} else {	695	} else {
461	# we are in another coroutine, how wonderful, everything just works	696	# we are in another coroutine, how wonderful, everything just works
462		697
…		…
482	$EXT_CORO{$coro+0} = $coro;	717	$EXT_CORO{$coro+0} = $coro;
483		718
484	$coro	719	$coro
485	}	720	}
486		721
487	=item fork_call { }, $args	722	=item fork_call { }, @args
488		723
489	Executes the given code block with the given arguments in a seperate	724	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	725	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	726	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	727	never block itself or use any form of event handling.
493		728
494	=cut	729	=cut
		730
		731	sub post_fork {
		732	reset_signals;
		733	}
495		734
496	sub fork_call(&@) {	735	sub fork_call(&@) {
497	my ($cb, @args) = @_;	736	my ($cb, @args) = @_;
498		737
499	# we seemingly have to make a local copy of the whole thing,	738	# we seemingly have to make a local copy of the whole thing,
500	# otherwise perl prematurely frees the stuff :/	739	# otherwise perl prematurely frees the stuff :/
501	# TODO: investigate and fix (likely this will be rather laborious)	740	# TODO: investigate and fix (likely this will be rather laborious)
502		741
503	my @res = Coro::Util::fork_eval {	742	my @res = Coro::Util::fork_eval {
504	reset_signals;	743	cf::post_fork;
505	&$cb	744	&$cb
506	}, @args;	745	} @args;
507		746
508	wantarray ? @res : $res[-1]	747	wantarray ? @res : $res[-1]
		748	}
		749
		750	sub objinfo {
		751	(
		752	"counter value" => cf::object::object_count,
		753	"objects created" => cf::object::create_count,
		754	"objects destroyed" => cf::object::destroy_count,
		755	"freelist size" => cf::object::free_count,
		756	"allocated objects" => cf::object::objects_size,
		757	"active objects" => cf::object::actives_size,
		758	)
		759	}
		760
		761	=item $coin = coin_from_name $name
		762
		763	=cut
		764
		765	our %coin_alias = (
		766	"silver" => "silvercoin",
		767	"silvercoin" => "silvercoin",
		768	"silvercoins" => "silvercoin",
		769	"gold" => "goldcoin",
		770	"goldcoin" => "goldcoin",
		771	"goldcoins" => "goldcoin",
		772	"platinum" => "platinacoin",
		773	"platinumcoin" => "platinacoin",
		774	"platinumcoins" => "platinacoin",
		775	"platina" => "platinacoin",
		776	"platinacoin" => "platinacoin",
		777	"platinacoins" => "platinacoin",
		778	"royalty" => "royalty",
		779	"royalties" => "royalty",
		780	);
		781
		782	sub coin_from_name($) {
		783	$coin_alias{$_[0]}
		784	? cf::arch::find $coin_alias{$_[0]}
		785	: undef
509	}	786	}
510		787
511	=item $value = cf::db_get $family => $key	788	=item $value = cf::db_get $family => $key
512		789
513	Returns a single value from the environment database.	790	Returns a single value from the environment database.
…		…
523	within each server.	800	within each server.
524		801
525	=cut	802	=cut
526		803
527	sub db_table($) {	804	sub db_table($) {
		805	cf::error "db_get called from main context"
		806	if $Coro::current == $Coro::main;
		807
528	my ($name) = @_;	808	my ($name) = @_;
529	my $db = BDB::db_create $DB_ENV;	809	my $db = BDB::db_create $DB_ENV;
530		810
531	eval {	811	eval {
532	$db->set_flags (BDB::CHKSUM);	812	$db->set_flags (BDB::CHKSUM);
…		…
542	}	822	}
543		823
544	our $DB;	824	our $DB;
545		825
546	sub db_init {	826	sub db_init {
547	cf::sync_job {
548	$DB ||= db_table "db";	827	$DB ||= db_table "db";
549	};
550	}	828	}
551		829
552	sub db_get($$) {	830	sub db_get($$) {
553	my $key = "$_[0]/$_[1]";	831	my $key = "$_[0]/$_[1]";
554		832
555	cf::sync_job {	833	cf::error "db_get called from main context"
		834	if $Coro::current == $Coro::main;
		835
556	BDB::db_get $DB, undef, $key, my $data;	836	BDB::db_get $DB, undef, $key, my $data;
557		837
558	$! ? ()	838	$! ? ()
559	: $data	839	: $data
560	}
561	}	840	}
562		841
563	sub db_put($$$) {	842	sub db_put($$$) {
564	BDB::dbreq_pri 4;	843	BDB::dbreq_pri 4;
565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	844	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
593		872
594	my @data;	873	my @data;
595	my $md5;	874	my $md5;
596		875
597	for (0 .. $#$src) {	876	for (0 .. $#$src) {
598	0 <= aio_load $src->[$_], $data[$_]	877	$data[$_] = load_file $src->[$_];
599	or Carp::croak "$src->[$_]: $!";
600	}	878	}
601		879
602	# if processing is expensive, check	880	# if processing is expensive, check
603	# checksum first	881	# checksum first
604	if (1) {	882	if (1) {
…		…
621		899
622	my $t1 = Time::HiRes::time;	900	my $t1 = Time::HiRes::time;
623	my $data = $process->(\@data);	901	my $data = $process->(\@data);
624	my $t2 = Time::HiRes::time;	902	my $t2 = Time::HiRes::time;
625		903
626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	904	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
627		905
628	db_put cache => "$id/data", $data;	906	db_put cache => "$id/data", $data;
629	db_put cache => "$id/md5" , $md5;	907	db_put cache => "$id/md5" , $md5;
630	db_put cache => "$id/meta", $meta;	908	db_put cache => "$id/meta", $meta;
631		909
…		…
641		919
642	=cut	920	=cut
643		921
644	sub datalog($@) {	922	sub datalog($@) {
645	my ($type, %kv) = @_;	923	my ($type, %kv) = @_;
646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	924	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
647	}	925	}
648		926
649	=back	927	=back
650		928
651	=cut	929	=cut
652		930
653	#############################################################################	931	#############################################################################
654		932
655	=head2 ATTACHABLE OBJECTS	933	=head2 ATTACHABLE OBJECTS
656		934
657	Many objects in crossfire are so-called attachable objects. That means you can	935	Many objects in deliantra are so-called attachable objects. That means you can
658	attach callbacks/event handlers (a collection of which is called an "attachment")	936	attach callbacks/event handlers (a collection of which is called an "attachment")
659	to it. All such attachable objects support the following methods.	937	to it. All such attachable objects support the following methods.
660		938
661	In the following description, CLASS can be any of C<global>, C<object>	939	In the following description, CLASS can be any of C<global>, C<object>
662	C<player>, C<client> or C<map> (i.e. the attachable objects in	940	C<player>, C<client> or C<map> (i.e. the attachable objects in
663	Crossfire TRT).	941	Deliantra).
664		942
665	=over 4	943	=over 4
666		944
667	=item $attachable->attach ($attachment, key => $value...)	945	=item $attachable->attach ($attachment, key => $value...)
668		946
…		…
712	=item cf::CLASS::attachment $name, ...	990	=item cf::CLASS::attachment $name, ...
713		991
714	Register an attachment by C<$name> through which attachable objects of the	992	Register an attachment by C<$name> through which attachable objects of the
715	given CLASS can refer to this attachment.	993	given CLASS can refer to this attachment.
716		994
717	Some classes such as crossfire maps and objects can specify attachments	995	Some classes such as deliantra maps and objects can specify attachments
718	that are attached at load/instantiate time, thus the need for a name.	996	that are attached at load/instantiate time, thus the need for a name.
719		997
720	These calls expect any number of the following handler/hook descriptions:	998	These calls expect any number of the following handler/hook descriptions:
721		999
722	=over 4	1000	=over 4
…		…
846		1124
847	} elsif (exists $cb_id{$type}) {	1125	} elsif (exists $cb_id{$type}) {
848	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1126	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
849		1127
850	} elsif (ref $type) {	1128	} elsif (ref $type) {
851	warn "attaching objects not supported, ignoring.\n";	1129	error "attaching objects not supported, ignoring.\n";
852		1130
853	} else {	1131	} else {
854	shift @arg;	1132	shift @arg;
855	warn "attach argument '$type' not supported, ignoring.\n";	1133	error "attach argument '$type' not supported, ignoring.\n";
856	}	1134	}
857	}	1135	}
858	}	1136	}
859		1137
860	sub _object_attach {	1138	sub _object_attach {
…		…
870	_attach $registry, $klass, @attach;	1148	_attach $registry, $klass, @attach;
871	}	1149	}
872		1150
873	$obj->{$name} = \%arg;	1151	$obj->{$name} = \%arg;
874	} else {	1152	} else {
875	warn "object uses attachment '$name' which is not available, postponing.\n";	1153	info "object uses attachment '$name' which is not available, postponing.\n";
876	}	1154	}
877		1155
878	$obj->{_attachment}{$name} = undef;	1156	$obj->{_attachment}{$name} = undef;
879	}	1157	}
880		1158
…		…
939		1217
940	for (@$callbacks) {	1218	for (@$callbacks) {
941	eval { &{$_->[1]} };	1219	eval { &{$_->[1]} };
942		1220
943	if ($@) {	1221	if ($@) {
944	warn "$@";
945	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1222	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
946	override;	1223	override;
947	}	1224	}
948		1225
949	return 1 if $override;	1226	return 1 if $override;
950	}	1227	}
951		1228
952	0	1229	0
953	}	1230	}
954		1231
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1232	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1233
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1234	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1235
959	Generate an object-specific event with the given arguments.	1236	Generate an object-specific event with the given arguments.
960		1237
…		…
1013		1290
1014	sub reattach {	1291	sub reattach {
1015	# basically do the same as instantiate, without calling instantiate	1292	# basically do the same as instantiate, without calling instantiate
1016	my ($obj) = @_;	1293	my ($obj) = @_;
1017		1294
		1295	# no longer needed after getting rid of delete_package?
1018	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1296	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1019		1297
1020	my $registry = $obj->registry;	1298	my $registry = $obj->registry;
1021		1299
1022	@$registry = ();	1300	@$registry = ();
1023		1301
…		…
1028	for (@$attach) {	1306	for (@$attach) {
1029	my ($klass, @attach) = @$_;	1307	my ($klass, @attach) = @$_;
1030	_attach $registry, $klass, @attach;	1308	_attach $registry, $klass, @attach;
1031	}	1309	}
1032	} else {	1310	} else {
1033	warn "object uses attachment '$name' that is not available, postponing.\n";	1311	info "object uses attachment '$name' that is not available, postponing.\n";
1034	}	1312	}
1035	}	1313	}
1036	}	1314	}
1037		1315
1038	cf::attachable->attach (	1316	cf::attachable->attach (
1039	prio => -1000000,	1317	prio => -1000000,
1040	on_instantiate => sub {	1318	on_instantiate => sub {
1041	my ($obj, $data) = @_;	1319	my ($obj, $data) = @_;
1042		1320
1043	$data = from_json $data;	1321	$data = decode_json $data;
1044		1322
1045	for (@$data) {	1323	for (@$data) {
1046	my ($name, $args) = @$_;	1324	my ($name, $args) = @$_;
1047		1325
1048	$obj->attach ($name, %{$args || {} });	1326	$obj->attach ($name, %{$args || {} });
…		…
1065	my ($filename, $rdata, $objs) = @_;	1343	my ($filename, $rdata, $objs) = @_;
1066		1344
1067	sync_job {	1345	sync_job {
1068	if (length $$rdata) {	1346	if (length $$rdata) {
1069	utf8::decode (my $decname = $filename);	1347	utf8::decode (my $decname = $filename);
1070	warn sprintf "saving %s (%d,%d)\n",	1348	trace sprintf "saving %s (%d,%d)\n",
1071	$decname, length $$rdata, scalar @$objs;	1349	$decname, length $$rdata, scalar @$objs
		1350	if $VERBOSE_IO;
1072		1351
1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1352	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1074	chmod SAVE_MODE, $fh;	1353	aio_chmod $fh, SAVE_MODE;
1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1354	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1076	aio_fsync $fh if $cf::USE_FSYNC;	1355	if ($cf::USE_FSYNC) {
		1356	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;
		1357	aio_fsync $fh;
		1358	}
1077	close $fh;	1359	aio_close $fh;
1078		1360
1079	if (@$objs) {	1361	if (@$objs) {
1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1362	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1081	chmod SAVE_MODE, $fh;	1363	aio_chmod $fh, SAVE_MODE;
1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1364	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1083	aio_write $fh, 0, (length $data), $data, 0;	1365	aio_write $fh, 0, (length $data), $data, 0;
1084	aio_fsync $fh if $cf::USE_FSYNC;	1366	if ($cf::USE_FSYNC) {
		1367	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;
		1368	aio_fsync $fh;
		1369	}
1085	close $fh;	1370	aio_close $fh;
1086	aio_rename "$filename.pst~", "$filename.pst";	1371	aio_rename "$filename.pst~", "$filename.pst";
1087	}	1372	}
1088	} else {	1373	} else {
1089	aio_unlink "$filename.pst";	1374	aio_unlink "$filename.pst";
1090	}	1375	}
1091		1376
1092	aio_rename "$filename~", $filename;	1377	aio_rename "$filename~", $filename;
		1378
		1379	$filename =~ s%/[^/]+$%%;
		1380	aio_pathsync $filename if $cf::USE_FSYNC;
1093	} else {	1381	} else {
1094	warn "FATAL: $filename~: $!\n";	1382	error "unable to save objects: $filename~: $!\n";
1095	}	1383	}
1096	} else {	1384	} else {
1097	aio_unlink $filename;	1385	aio_unlink $filename;
1098	aio_unlink "$filename.pst";	1386	aio_unlink "$filename.pst";
1099	}	1387	}
…		…
1118		1406
1119	unless (aio_stat "$filename.pst") {	1407	unless (aio_stat "$filename.pst") {
1120	(aio_load "$filename.pst", $av) >= 0	1408	(aio_load "$filename.pst", $av) >= 0
1121	or return;	1409	or return;
1122		1410
1123	my $st = eval { Coro::Storable::thaw $av }	1411	my $st = eval { Coro::Storable::thaw $av };
1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1125	$av = $st->{objs};	1412	$av = $st->{objs};
1126	}	1413	}
1127		1414
1128	utf8::decode (my $decname = $filename);	1415	utf8::decode (my $decname = $filename);
1129	warn sprintf "loading %s (%d,%d)\n",	1416	trace sprintf "loading %s (%d,%d)\n",
1130	$decname, length $data, scalar @{$av || []};	1417	$decname, length $data, scalar @{$av || []}
		1418	if $VERBOSE_IO;
1131		1419
1132	($data, $av)	1420	($data, $av)
1133	}	1421	}
1134		1422
1135	=head2 COMMAND CALLBACKS	1423	=head2 COMMAND CALLBACKS
…		…
1191	my ($name, $cb) = @_;	1479	my ($name, $cb) = @_;
1192		1480
1193	$EXTICMD{$name} = $cb;	1481	$EXTICMD{$name} = $cb;
1194	}	1482	}
1195		1483
		1484	use File::Glob ();
		1485
1196	cf::player->attach (	1486	cf::player->attach (
1197	on_command => sub {	1487	on_unknown_command => sub {
1198	my ($pl, $name, $params) = @_;	1488	my ($pl, $name, $params) = @_;
1199		1489
1200	my $cb = $COMMAND{$name}	1490	my $cb = $COMMAND{$name}
1201	or return;	1491	or return;
1202		1492
…		…
1210	my ($pl, $buf) = @_;	1500	my ($pl, $buf) = @_;
1211		1501
1212	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1502	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1213		1503
1214	if (ref $msg) {	1504	if (ref $msg) {
1215	my ($type, $reply, @payload) =	1505	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1216	"ARRAY" eq ref $msg
1217	? @$msg
1218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1219		1506
1220	my @reply;	1507	my @reply;
1221		1508
1222	if (my $cb = $EXTCMD{$type}) {	1509	if (my $cb = $EXTCMD{$type}) {
1223	@reply = $cb->($pl, @payload);	1510	@reply = $cb->($pl, @payload);
…		…
1225		1512
1226	$pl->ext_reply ($reply, @reply)	1513	$pl->ext_reply ($reply, @reply)
1227	if $reply;	1514	if $reply;
1228		1515
1229	} else {	1516	} else {
1230	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1517	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1231	}	1518	}
1232		1519
1233	cf::override;	1520	cf::override;
1234	},	1521	},
1235	);	1522	);
1236		1523
		1524	# "readahead" all extensions
		1525	sub cache_extensions {
		1526	my $grp = IO::AIO::aio_group;
		1527
		1528	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1529	for (grep /\.ext$/, @{$_[0]}) {
		1530	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1531	}
		1532	};
		1533
		1534	$grp
		1535	}
		1536
		1537	sub _ext_cfg_reg($$$$) {
		1538	my ($rvar, $varname, $cfgname, $default) = @_;
		1539
		1540	$cfgname = lc $varname
		1541	unless length $cfgname;
		1542
		1543	$EXT_CFG{$cfgname} = [$rvar, $default];
		1544
		1545	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1546	}
		1547
1237	sub load_extensions {	1548	sub load_extensions {
		1549	info "loading extensions...";
		1550
		1551	%EXT_CFG = ();
		1552
1238	cf::sync_job {	1553	cf::sync_job {
1239	my %todo;	1554	my %todo;
1240		1555
1241	for my $path (<$LIBDIR/*.ext>) {	1556	for my $path (<$LIBDIR/*.ext>) {
1242	next unless -r $path;	1557	next unless -r $path;
…		…
1260		1575
1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1576	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1577	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1263		1578
1264	$ext{source} =	1579	$ext{source} =
1265	"package $pkg; use strict; use utf8;\n"	1580	"package $pkg; use common::sense;\n"
1266	. "#line 1 \"$path\"\n{\n"	1581	. "#line 1 \"$path\"\n{\n"
1267	. $source	1582	. $source
1268	. "\n};\n1";	1583	. "\n};\n1";
1269		1584
1270	$todo{$base} = \%ext;	1585	$todo{$base} = \%ext;
1271	}	1586	}
1272		1587
		1588	my $pass = 0;
1273	my %done;	1589	my %done;
1274	while (%todo) {	1590	while (%todo) {
1275	my $progress;	1591	my $progress;
1276		1592
		1593	++$pass;
		1594
		1595	ext:
1277	while (my ($k, $v) = each %todo) {	1596	while (my ($k, $v) = each %todo) {
1278	for (split /,\s*/, $v->{meta}{depends}) {	1597	for (split /,\s*/, $v->{meta}{depends}) {
1279	goto skip	1598	next ext
1280	unless exists $done{$_};	1599	unless exists $done{$_};
1281	}	1600	}
1282		1601
1283	warn "... loading '$k' into '$v->{pkg}'\n";	1602	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1284		1603
1285	unless (eval $v->{source}) {	1604	my $source = $v->{source};
		1605
		1606	# support "CONF varname :confname = default" pseudo-statements
		1607	$source =~ s{
		1608	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1609	}{
		1610	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1611	}gmxe;
		1612
		1613	my $active = eval $source;
		1614
		1615	if (length $@) {
1286	my $msg = $@ ? "$v->{path}: $@\n"	1616	error "$v->{path}: $@\n";
1287	: "$v->{base}: extension inactive.\n";
1288		1617
		1618	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1289	if (exists $v->{meta}{mandatory}) {	1619	if exists $v->{meta}{mandatory};
1290	warn $msg;	1620
1291	warn "mandatory extension failed to load, exiting.\n";	1621	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1292	exit 1;	1622	delete $todo{$k};
1293	}	1623	} else {
1294		1624	$done{$k} = delete $todo{$k};
1295	warn $msg;	1625	push @EXTS, $v->{pkg};
		1626	$progress = 1;
		1627
		1628	info "$v->{base}: extension inactive.\n"
		1629	unless $active;
1296	}	1630	}
1297
1298	$done{$k} = delete $todo{$k};
1299	push @EXTS, $v->{pkg};
1300	$progress = 1;
1301	}	1631	}
1302		1632
1303	skip:	1633	unless ($progress) {
1304	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1634	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1305	unless $progress;	1635
		1636	while (my ($k, $v) = each %todo) {
		1637	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1638	if exists $v->{meta}{mandatory};
		1639	}
		1640
		1641	last;
		1642	}
1306	}	1643	}
1307	};	1644	};
1308	}	1645	}
1309		1646
1310	#############################################################################	1647	#############################################################################
1311		1648
1312	=back	1649	=back
1313		1650
1314	=head2 CORE EXTENSIONS	1651	=head2 CORE EXTENSIONS
1315		1652
1316	Functions and methods that extend core crossfire objects.	1653	Functions and methods that extend core deliantra objects.
1317		1654
1318	=cut	1655	=cut
1319		1656
1320	package cf::player;	1657	package cf::player;
1321		1658
…		…
1364		1701
1365	sub exists($) {	1702	sub exists($) {
1366	my ($login) = @_;	1703	my ($login) = @_;
1367		1704
1368	$cf::PLAYER{$login}	1705	$cf::PLAYER{$login}
1369	or cf::sync_job { !aio_stat path $login }	1706	or !aio_stat path $login
1370	}	1707	}
1371		1708
1372	sub find($) {	1709	sub find($) {
1373	return $cf::PLAYER{$_[0]} || do {	1710	return $cf::PLAYER{$_[0]} || do {
1374	my $login = $_[0];	1711	my $login = $_[0];
…		…
1386	my $f = new_from_file cf::object::thawer path $login	1723	my $f = new_from_file cf::object::thawer path $login
1387	or return;	1724	or return;
1388		1725
1389	my $pl = cf::player::load_pl $f	1726	my $pl = cf::player::load_pl $f
1390	or return;	1727	or return;
		1728
1391	local $cf::PLAYER_LOADING{$login} = $pl;	1729	local $cf::PLAYER_LOADING{$login} = $pl;
1392	$f->resolve_delayed_derefs;	1730	$f->resolve_delayed_derefs;
1393	$cf::PLAYER{$login} = $pl	1731	$cf::PLAYER{$login} = $pl
1394	}	1732	}
1395	}	1733	}
1396	}	1734	}
1397		1735
		1736	cf::player->attach (
		1737	on_load => sub {
		1738	my ($pl, $path) = @_;
		1739
		1740	# restore slots saved in save, below
		1741	my $slots = delete $pl->{_slots};
		1742
		1743	$pl->ob->current_weapon ($slots->[0]);
		1744	$pl->combat_ob ($slots->[1]);
		1745	$pl->ranged_ob ($slots->[2]);
		1746	},
		1747	);
		1748
1398	sub save($) {	1749	sub save($) {
1399	my ($pl) = @_;	1750	my ($pl) = @_;
1400		1751
1401	return if $pl->{deny_save};	1752	return if $pl->{deny_save};
1402		1753
…		…
1405		1756
1406	return if $pl->{deny_save};	1757	return if $pl->{deny_save};
1407		1758
1408	aio_mkdir playerdir $pl, 0770;	1759	aio_mkdir playerdir $pl, 0770;
1409	$pl->{last_save} = $cf::RUNTIME;	1760	$pl->{last_save} = $cf::RUNTIME;
		1761
		1762	cf::get_slot 0.01;
		1763
		1764	# save slots, to be restored later
		1765	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1410		1766
1411	$pl->save_pl ($path);	1767	$pl->save_pl ($path);
1412	cf::cede_to_tick;	1768	cf::cede_to_tick;
1413	}	1769	}
1414		1770
…		…
1446	my ($pl) = @_;	1802	my ($pl) = @_;
1447		1803
1448	my $name = $pl->ob->name;	1804	my $name = $pl->ob->name;
1449		1805
1450	$pl->{deny_save} = 1;	1806	$pl->{deny_save} = 1;
1451	$pl->password ("*"); # this should lock out the player until we nuked the dir	1807	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1452		1808
1453	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1809	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1454	$pl->deactivate;	1810	$pl->deactivate;
		1811
		1812	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1455	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1813	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1814	ext::highscore::check ($pl->ob);
		1815
1456	$pl->ns->destroy if $pl->ns;	1816	$pl->ns->destroy if $pl->ns;
1457		1817
1458	my $path = playerdir $pl;	1818	my $path = playerdir $pl;
1459	my $temp = "$path~$cf::RUNTIME~deleting~";	1819	my $temp = "$path~$cf::RUNTIME~deleting~";
1460	aio_rename $path, $temp;	1820	aio_rename $path, $temp;
…		…
1498		1858
1499	for my $login (@$dirs) {	1859	for my $login (@$dirs) {
1500	my $path = path $login;	1860	my $path = path $login;
1501		1861
1502	# a .pst is a dead give-away for a valid player	1862	# a .pst is a dead give-away for a valid player
1503	unless (-e "$path.pst") {	1863	# if no pst file found, open and chekc for blocked users
		1864	if (aio_stat "$path.pst") {
1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1865	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1505	aio_read $fh, 0, 512, my $buf, 0 or next;	1866	aio_read $fh, 0, 512, my $buf, 0 or next;
1506	$buf !~ /^password -------------$/m or next; # official not-valid tag	1867	$buf !~ /^password -------------$/m or next; # official not-valid tag
1507	}	1868	}
1508		1869
…		…
1512		1873
1513	\@logins	1874	\@logins
1514	}	1875	}
1515		1876
1516	=item $player->maps	1877	=item $player->maps
		1878
		1879	=item cf::player::maps $login
1517		1880
1518	Returns an arrayref of map paths that are private for this	1881	Returns an arrayref of map paths that are private for this
1519	player. May block.	1882	player. May block.
1520		1883
1521	=cut	1884	=cut
…		…
1539	}	1902	}
1540		1903
1541	\@paths	1904	\@paths
1542	}	1905	}
1543		1906
1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1907	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1545		1908
1546	Expand crossfire pod fragments into protocol xml.	1909	Expand deliantra pod fragments into protocol xml.
1547
1548	=cut
1549
1550	sub expand_cfpod {
1551	((my $self), (local $_)) = @_;
1552
1553	# escape & and <
1554	s/&/&amp;/g;
1555	s/(?<![BIUGHT])</&lt;/g;
1556
1557	# this is buggy, it needs to properly take care of nested <'s
1558
1559	1 while
1560	# replace B<>, I<>, U<> etc.
1561	s/B<([^\>]*)>/<b>$1<\/b>/
1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1565	# replace G<male|female> tags
1566	|| s{G<([^>|]*)\|([^>]*)>}{
1567	$self->gender ? $2 : $1
1568	}ge
1569	# replace H<hint text>
1570	|| s{H<([^\>]*)>}
1571	{
1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1574	"")
1575	[$self->{hintmode}]
1576	}ge;
1577
1578	# create single paragraphs (very hackish)
1579	s/(?<=\S)\n(?=\w)/ /g;
1580
1581	# compress some whitespace
1582	s/\s+\n/\n/g; # ws line-ends
1583	s/\n\n+/\n/g; # double lines
1584	s/^\n+//; # beginning lines
1585	s/\n+$//; # ending lines
1586
1587	$_
1588	}
1589
1590	sub hintmode {
1591	$_[0]{hintmode} = $_[1] if @_ > 1;
1592	$_[0]{hintmode}
1593	}
1594		1910
1595	=item $player->ext_reply ($msgid, @msg)	1911	=item $player->ext_reply ($msgid, @msg)
1596		1912
1597	Sends an ext reply to the player.	1913	Sends an ext reply to the player.
1598		1914
…		…
1630		1946
1631	=cut	1947	=cut
1632		1948
1633	sub find_by_path($) {	1949	sub find_by_path($) {
1634	my ($path) = @_;	1950	my ($path) = @_;
		1951
		1952	$path =~ s/^~[^\/]*//; # skip ~login
1635		1953
1636	my ($match, $specificity);	1954	my ($match, $specificity);
1637		1955
1638	for my $region (list) {	1956	for my $region (list) {
1639	if ($region->{match} && $path =~ $region->{match}) {	1957	if ($region->{match} && $path =~ $region->{match}) {
…		…
1665	our $MAX_RESET = 3600;	1983	our $MAX_RESET = 3600;
1666	our $DEFAULT_RESET = 3000;	1984	our $DEFAULT_RESET = 3000;
1667		1985
1668	sub generate_random_map {	1986	sub generate_random_map {
1669	my ($self, $rmp) = @_;	1987	my ($self, $rmp) = @_;
1670	# mit "rum" bekleckern, nicht	1988
		1989	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1990
1671	$self->_create_random_map (	1991	$self->_create_random_map ($rmp);
1672	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1673	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1674	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1675	$rmp->{exit_on_final_map},
1676	$rmp->{xsize}, $rmp->{ysize},
1677	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1678	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1679	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1680	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1681	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1682	(cf::region::find $rmp->{region}), $rmp->{custom}
1683	)
1684	}	1992	}
1685		1993
1686	=item cf::map->register ($regex, $prio)	1994	=item cf::map->register ($regex, $prio)
1687		1995
1688	Register a handler for the map path matching the given regex at the	1996	Register a handler for the map path matching the given regex at the
…		…
1693		2001
1694	sub register {	2002	sub register {
1695	my (undef, $regex, $prio) = @_;	2003	my (undef, $regex, $prio) = @_;
1696	my $pkg = caller;	2004	my $pkg = caller;
1697		2005
1698	no strict;
1699	push @{"$pkg\::ISA"}, __PACKAGE__;	2006	push @{"$pkg\::ISA"}, __PACKAGE__;
1700		2007
1701	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2008	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1702	}	2009	}
1703		2010
1704	# also paths starting with '/'	2011	# also paths starting with '/'
1705	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2012	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1706		2013
1707	sub thawer_merge {	2014	sub thawer_merge {
1708	my ($self, $merge) = @_;	2015	my ($self, $merge) = @_;
1709		2016
1710	# we have to keep some variables in memory intact	2017	# we have to keep some variables in memory intact
…		…
1715	}	2022	}
1716		2023
1717	sub normalise {	2024	sub normalise {
1718	my ($path, $base) = @_;	2025	my ($path, $base) = @_;
1719		2026
1720	$path = "$path"; # make sure its a string	2027	$path = "$path"; # make sure it's a string
1721		2028
1722	$path =~ s/\.map$//;	2029	$path =~ s/\.map$//;
1723		2030
1724	# map plan:	2031	# map plan:
1725	#	2032	#
…		…
1740	$base =~ s{[^/]+/?$}{};	2047	$base =~ s{[^/]+/?$}{};
1741	$path = "$base/$path";	2048	$path = "$base/$path";
1742	}	2049	}
1743		2050
1744	for ($path) {	2051	for ($path) {
1745	redo if s{//}{/};
1746	redo if s{/\.?/}{/};	2052	redo if s{/\.?/}{/};
1747	redo if s{/[^/]+/\.\./}{/};	2053	redo if s{/[^/]+/\.\./}{/};
1748	}	2054	}
1749		2055
1750	$path	2056	$path
…		…
1764	$self->init; # pass $1 etc.	2070	$self->init; # pass $1 etc.
1765	return $self;	2071	return $self;
1766	}	2072	}
1767	}	2073	}
1768		2074
1769	Carp::cluck "unable to resolve path '$path' (base '$base').";	2075	Carp::cluck "unable to resolve path '$path' (base '$base')";
1770	()	2076	()
1771	}	2077	}
1772		2078
		2079	# may re-bless or do other evil things
1773	sub init {	2080	sub init {
1774	my ($self) = @_;	2081	my ($self) = @_;
1775		2082
1776	$self	2083	$self
1777	}	2084	}
…		…
1796		2103
1797	# the temporary/swap location	2104	# the temporary/swap location
1798	sub save_path {	2105	sub save_path {
1799	my ($self) = @_;	2106	my ($self) = @_;
1800		2107
1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1802	"$TMPDIR/$path.map"	2109	"$TMPDIR/$path.map"
1803	}	2110	}
1804		2111
1805	# the unique path, undef == no special unique path	2112	# the unique path, undef == no special unique path
1806	sub uniq_path {	2113	sub uniq_path {
1807	my ($self) = @_;	2114	my ($self) = @_;
1808		2115
1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2116	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1810	"$UNIQUEDIR/$path"	2117	"$UNIQUEDIR/$path"
1811	}
1812
1813	# and all this just because we cannot iterate over
1814	# all maps in C++...
1815	sub change_all_map_light {
1816	my ($change) = @_;
1817
1818	$_->change_map_light ($change)
1819	for grep $_->outdoor, values %cf::MAP;
1820	}	2118	}
1821		2119
1822	sub decay_objects {	2120	sub decay_objects {
1823	my ($self) = @_;	2121	my ($self) = @_;
1824		2122
…		…
1851	$self->{load_path} = $path;	2149	$self->{load_path} = $path;
1852		2150
1853	1	2151	1
1854	}	2152	}
1855		2153
		2154	# used to laod the header of an original map
1856	sub load_header_orig {	2155	sub load_header_orig {
1857	my ($self) = @_;	2156	my ($self) = @_;
1858		2157
1859	$self->load_header_from ($self->load_path)	2158	$self->load_header_from ($self->load_path)
1860	}	2159	}
1861		2160
		2161	# used to laod the header of an instantiated map
1862	sub load_header_temp {	2162	sub load_header_temp {
1863	my ($self) = @_;	2163	my ($self) = @_;
1864		2164
1865	$self->load_header_from ($self->save_path)	2165	$self->load_header_from ($self->save_path)
1866	}	2166	}
1867		2167
		2168	# called after loading the header from an instantiated map
1868	sub prepare_temp {	2169	sub prepare_temp {
1869	my ($self) = @_;	2170	my ($self) = @_;
1870		2171
1871	$self->last_access ((delete $self->{last_access})	2172	$self->last_access ((delete $self->{last_access})
1872	|| $cf::RUNTIME); #d#	2173	|| $cf::RUNTIME); #d#
1873	# safety	2174	# safety
1874	$self->{instantiate_time} = $cf::RUNTIME	2175	$self->{instantiate_time} = $cf::RUNTIME
1875	if $self->{instantiate_time} > $cf::RUNTIME;	2176	if $self->{instantiate_time} > $cf::RUNTIME;
1876	}	2177	}
1877		2178
		2179	# called after loading the header from an original map
1878	sub prepare_orig {	2180	sub prepare_orig {
1879	my ($self) = @_;	2181	my ($self) = @_;
1880		2182
1881	$self->{load_original} = 1;	2183	$self->{load_original} = 1;
1882	$self->{instantiate_time} = $cf::RUNTIME;	2184	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1906		2208
1907	sub find;	2209	sub find;
1908	sub find {	2210	sub find {
1909	my ($path, $origin) = @_;	2211	my ($path, $origin) = @_;
1910		2212
		2213	cf::cede_to_tick;
		2214
1911	$path = normalise $path, $origin && $origin->path;	2215	$path = normalise $path, $origin;
1912		2216
1913	cf::lock_wait "map_data:$path";#d#remove	2217	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1914	cf::lock_wait "map_find:$path";	2218	my $guard2 = cf::lock_acquire "map_find:$path";
1915		2219
1916	$cf::MAP{$path} || do {	2220	$cf::MAP{$path} || do {
1917	my $guard1 = cf::lock_acquire "map_find:$path";
1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1919
1920	my $map = new_from_path cf::map $path	2221	my $map = new_from_path cf::map $path
1921	or return;	2222	or return;
1922		2223
1923	$map->{last_save} = $cf::RUNTIME;	2224	$map->{last_save} = $cf::RUNTIME;
1924		2225
…		…
1926	or return;	2227	or return;
1927		2228
1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2229	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1929	# doing this can freeze the server in a sync job, obviously	2230	# doing this can freeze the server in a sync job, obviously
1930	#$cf::WAIT_FOR_TICK->wait;	2231	#$cf::WAIT_FOR_TICK->wait;
		2232	undef $guard2;
1931	undef $guard1;	2233	undef $guard1;
1932	undef $guard2;
1933	$map->reset;	2234	$map->reset;
1934	return find $path;	2235	return find $path;
1935	}	2236	}
1936		2237
1937	$cf::MAP{$path} = $map	2238	$cf::MAP{$path} = $map
1938	}	2239	}
1939	}	2240	}
1940		2241
1941	sub pre_load { }	2242	sub pre_load { }
1942	sub post_load { }	2243	#sub post_load { } # XS
1943		2244
1944	sub load {	2245	sub load {
1945	my ($self) = @_;	2246	my ($self) = @_;
1946		2247
1947	local $self->{deny_reset} = 1; # loading can take a long time	2248	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1950		2251
1951	{	2252	{
1952	my $guard = cf::lock_acquire "map_data:$path";	2253	my $guard = cf::lock_acquire "map_data:$path";
1953		2254
1954	return unless $self->valid;	2255	return unless $self->valid;
1955	return unless $self->in_memory == cf::MAP_SWAPPED;	2256	return unless $self->state == cf::MAP_SWAPPED;
1956
1957	$self->in_memory (cf::MAP_LOADING);
1958		2257
1959	$self->alloc;	2258	$self->alloc;
1960		2259
1961	$self->pre_load;	2260	$self->pre_load;
1962	cf::cede_to_tick;	2261	cf::cede_to_tick;
1963		2262
		2263	if (exists $self->{load_path}) {
1964	my $f = new_from_file cf::object::thawer $self->{load_path};	2264	my $f = new_from_file cf::object::thawer $self->{load_path};
1965	$f->skip_block;	2265	$f->skip_block;
1966	$self->_load_objects ($f)	2266	$self->_load_objects ($f)
1967	or return;	2267	or return;
1968		2268
1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2269	$self->post_load_original
1970	if delete $self->{load_original};	2270	if delete $self->{load_original};
1971		2271
1972	if (my $uniq = $self->uniq_path) {	2272	if (my $uniq = $self->uniq_path) {
1973	utf8::encode $uniq;	2273	utf8::encode $uniq;
1974	unless (aio_stat $uniq) {	2274	unless (aio_stat $uniq) {
1975	if (my $f = new_from_file cf::object::thawer $uniq) {	2275	if (my $f = new_from_file cf::object::thawer $uniq) {
1976	$self->clear_unique_items;	2276	$self->clear_unique_items;
1977	$self->_load_objects ($f);	2277	$self->_load_objects ($f);
1978	$f->resolve_delayed_derefs;	2278	$f->resolve_delayed_derefs;
		2279	}
1979	}	2280	}
1980	}	2281	}
1981	}
1982		2282
1983	$f->resolve_delayed_derefs;	2283	$f->resolve_delayed_derefs;
		2284	} else {
		2285	$self->post_load_original
		2286	if delete $self->{load_original};
		2287	}
		2288
		2289	$self->state (cf::MAP_INACTIVE);
1984		2290
1985	cf::cede_to_tick;	2291	cf::cede_to_tick;
1986	# now do the right thing for maps	2292	# now do the right thing for maps
1987	$self->link_multipart_objects;	2293	$self->link_multipart_objects;
1988	$self->difficulty ($self->estimate_difficulty)	2294	$self->difficulty ($self->estimate_difficulty)
…		…
1992	unless ($self->{deny_activate}) {	2298	unless ($self->{deny_activate}) {
1993	$self->decay_objects;	2299	$self->decay_objects;
1994	$self->fix_auto_apply;	2300	$self->fix_auto_apply;
1995	$self->update_buttons;	2301	$self->update_buttons;
1996	cf::cede_to_tick;	2302	cf::cede_to_tick;
1997	$self->set_darkness_map;	2303	#$self->activate; # no longer activate maps automatically
1998	cf::cede_to_tick;
1999	$self->activate;
2000	}	2304	}
2001		2305
2002	$self->{last_save} = $cf::RUNTIME;	2306	$self->{last_save} = $cf::RUNTIME;
2003	$self->last_access ($cf::RUNTIME);	2307	$self->last_access ($cf::RUNTIME);
2004
2005	$self->in_memory (cf::MAP_IN_MEMORY);
2006	}	2308	}
2007		2309
2008	$self->post_load;	2310	$self->post_load;
2009	}
2010		2311
		2312	1
		2313	}
		2314
		2315	# customize the map for a given player, i.e.
		2316	# return the _real_ map. used by e.g. per-player
		2317	# maps to change the path to ~playername/mappath
2011	sub customise_for {	2318	sub customise_for {
2012	my ($self, $ob) = @_;	2319	my ($self, $ob) = @_;
2013		2320
2014	return find "~" . $ob->name . "/" . $self->{path}	2321	return find "~" . $ob->name . "/" . $self->{path}
2015	if $self->per_player;	2322	if $self->per_player;
…		…
2018	# if $self->per_party;	2325	# if $self->per_party;
2019		2326
2020	$self	2327	$self
2021	}	2328	}
2022		2329
2023	# find and load all maps in the 3x3 area around a map
2024	sub load_neighbours {
2025	my ($map) = @_;
2026
2027	my @neigh; # diagonal neighbours
2028
2029	for (0 .. 3) {
2030	my $neigh = $map->tile_path ($_)
2031	or next;
2032	$neigh = find $neigh, $map
2033	or next;
2034	$neigh->load;
2035
2036	push @neigh,
2037	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2038	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2039	}
2040
2041	for (grep defined $_->[0], @neigh) {
2042	my ($path, $origin) = @$_;
2043	my $neigh = find $path, $origin
2044	or next;
2045	$neigh->load;
2046	}
2047	}
2048
2049	sub find_sync {	2330	sub find_sync {
2050	my ($path, $origin) = @_;	2331	my ($path, $origin) = @_;
2051		2332
2052	cf::sync_job { find $path, $origin }	2333	# it's a bug to call this from the main context
		2334	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2335	if $Coro::current == $Coro::main;
		2336
		2337	find $path, $origin
2053	}	2338	}
2054		2339
2055	sub do_load_sync {	2340	sub do_load_sync {
2056	my ($map) = @_;	2341	my ($map) = @_;
2057		2342
		2343	# it's a bug to call this from the main context
2058	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2344	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2059	if $Coro::current == $Coro::main;	2345	if $Coro::current == $Coro::main;
2060		2346
2061	cf::sync_job { $map->load };	2347	$map->load;
2062	}	2348	}
2063		2349
2064	our %MAP_PREFETCH;	2350	our %MAP_PREFETCH;
2065	our $MAP_PREFETCHER = undef;	2351	our $MAP_PREFETCHER = undef;
2066		2352
2067	sub find_async {	2353	sub find_async {
2068	my ($path, $origin, $load) = @_;	2354	my ($path, $origin, $load) = @_;
2069		2355
2070	$path = normalise $path, $origin && $origin->{path};	2356	$path = normalise $path, $origin;
2071		2357
2072	if (my $map = $cf::MAP{$path}) {	2358	if (my $map = $cf::MAP{$path}) {
2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2359	return $map if !$load || $map->linkable;
2074	}	2360	}
2075		2361
2076	$MAP_PREFETCH{$path} |= $load;	2362	$MAP_PREFETCH{$path} |= $load;
2077		2363
2078	$MAP_PREFETCHER ||= cf::async {	2364	$MAP_PREFETCHER ||= cf::async {
…		…
2092	$MAP_PREFETCHER->prio (6);	2378	$MAP_PREFETCHER->prio (6);
2093		2379
2094	()	2380	()
2095	}	2381	}
2096		2382
		2383	# common code, used by both ->save and ->swapout
2097	sub save {	2384	sub _save {
2098	my ($self) = @_;	2385	my ($self) = @_;
2099
2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
2101		2386
2102	$self->{last_save} = $cf::RUNTIME;	2387	$self->{last_save} = $cf::RUNTIME;
2103		2388
2104	return unless $self->dirty;	2389	return unless $self->dirty;
2105		2390
…		…
2114		2399
2115	cf::async {	2400	cf::async {
2116	$Coro::current->{desc} = "map player save";	2401	$Coro::current->{desc} = "map player save";
2117	$_->contr->save for $self->players;	2402	$_->contr->save for $self->players;
2118	};	2403	};
		2404
		2405	cf::get_slot 0.02;
2119		2406
2120	if ($uniq) {	2407	if ($uniq) {
2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2408	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2122	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2409	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2123	} else {	2410	} else {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2411	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2125	}	2412	}
2126	}	2413	}
2127		2414
		2415	sub save {
		2416	my ($self) = @_;
		2417
		2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2419
		2420	$self->_save;
		2421	}
		2422
2128	sub swap_out {	2423	sub swap_out {
2129	my ($self) = @_;	2424	my ($self) = @_;
2130		2425
2131	# save first because save cedes
2132	$self->save;
2133
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";	2426	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135		2427
		2428	return if !$self->linkable;
		2429	return if $self->{deny_save};
2136	return if $self->players;	2430	return if $self->players;
2137	return if $self->in_memory != cf::MAP_IN_MEMORY;	2431
		2432	# first deactivate the map and "unlink" it from the core
		2433	$self->deactivate;
		2434	$_->clear_links_to ($self) for values %cf::MAP;
		2435	$self->state (cf::MAP_SWAPPED);
		2436
		2437	# then atomically save
		2438	$self->_save;
		2439
		2440	# then free the map
		2441	$self->clear;
		2442	}
		2443
		2444	sub reset_at {
		2445	my ($self) = @_;
		2446
		2447	# TODO: safety, remove and allow resettable per-player maps
2138	return if $self->{deny_save};	2448	return 1e99 if $self->{deny_reset};
2139		2449
		2450	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2451	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2452
		2453	$time + $to
		2454	}
		2455
		2456	sub should_reset {
		2457	my ($self) = @_;
		2458
		2459	$self->reset_at <= $cf::RUNTIME
		2460	}
		2461
		2462	sub reset {
		2463	my ($self) = @_;
		2464
		2465	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2466
		2467	return if $self->players;
		2468
		2469	cf::trace "resetting map ", $self->path, "\n";
		2470
2140	$self->in_memory (cf::MAP_SWAPPED);	2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# need to save uniques path
		2474	unless ($self->{deny_save}) {
		2475	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2476
		2477	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2478	if $uniq;
		2479	}
		2480
		2481	delete $cf::MAP{$self->path};
2141		2482
2142	$self->deactivate;	2483	$self->deactivate;
2143	$_->clear_links_to ($self) for values %cf::MAP;	2484	$_->clear_links_to ($self) for values %cf::MAP;
2144	$self->clear;	2485	$self->clear;
2145	}
2146
2147	sub reset_at {
2148	my ($self) = @_;
2149
2150	# TODO: safety, remove and allow resettable per-player maps
2151	return 1e99 if $self->{deny_reset};
2152
2153	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2154	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2155
2156	$time + $to
2157	}
2158
2159	sub should_reset {
2160	my ($self) = @_;
2161
2162	$self->reset_at <= $cf::RUNTIME
2163	}
2164
2165	sub reset {
2166	my ($self) = @_;
2167
2168	my $lock = cf::lock_acquire "map_data:$self->{path}";
2169
2170	return if $self->players;
2171
2172	warn "resetting map ", $self->path;
2173
2174	$self->in_memory (cf::MAP_SWAPPED);
2175
2176	# need to save uniques path
2177	unless ($self->{deny_save}) {
2178	my $uniq = $self->uniq_path; utf8::encode $uniq;
2179
2180	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2181	if $uniq;
2182	}
2183
2184	delete $cf::MAP{$self->path};
2185
2186	$self->deactivate;
2187	$_->clear_links_to ($self) for values %cf::MAP;
2188	$self->clear;
2189		2486
2190	$self->unlink_save;	2487	$self->unlink_save;
2191	$self->destroy;	2488	$self->destroy;
2192	}	2489	}
2193		2490
…		…
2201		2498
2202	delete $cf::MAP{$self->path};	2499	delete $cf::MAP{$self->path};
2203		2500
2204	$self->unlink_save;	2501	$self->unlink_save;
2205		2502
2206	bless $self, "cf::map";	2503	bless $self, "cf::map::wrap";
2207	delete $self->{deny_reset};	2504	delete $self->{deny_reset};
2208	$self->{deny_save} = 1;	2505	$self->{deny_save} = 1;
2209	$self->reset_timeout (1);	2506	$self->reset_timeout (1);
2210	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2507	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2211		2508
…		…
2260		2557
2261	sub unique_maps() {	2558	sub unique_maps() {
2262	[	2559	[
2263	map {	2560	map {
2264	utf8::decode $_;	2561	utf8::decode $_;
2265	/\.map$/	2562	s/\.map$//; # TODO future compatibility hack
		2563	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2564	? ()
2266	? normalise $_	2565	: normalise $_
2267	: ()
2268	} @{ aio_readdir $UNIQUEDIR or [] }	2566	} @{ aio_readdir $UNIQUEDIR or [] }
2269	]	2567	]
2270	}	2568	}
2271		2569
2272	package cf;	2570	=item cf::map::static_maps
		2571
		2572	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2573	file in the shared directory excluding F</styles> and F</editor>). May
		2574	block.
		2575
		2576	=cut
		2577
		2578	sub static_maps() {
		2579	my @dirs = "";
		2580	my @maps;
		2581
		2582	while (@dirs) {
		2583	my $dir = shift @dirs;
		2584
		2585	next if $dir eq "/styles" || $dir eq "/editor";
		2586
		2587	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2588	or return;
		2589
		2590	for (@$files) {
		2591	s/\.map$// or next;
		2592	utf8::decode $_;
		2593	push @maps, "$dir/$_";
		2594	}
		2595
		2596	push @dirs, map "$dir/$_", @$dirs;
		2597	}
		2598
		2599	\@maps
		2600	}
2273		2601
2274	=back	2602	=back
2275		2603
2276	=head3 cf::object	2604	=head3 cf::object
2277		2605
…		…
2281		2609
2282	=over 4	2610	=over 4
2283		2611
2284	=item $ob->inv_recursive	2612	=item $ob->inv_recursive
2285		2613
2286	Returns the inventory of the object _and_ their inventories, recursively.	2614	Returns the inventory of the object I<and> their inventories, recursively,
		2615	but I<not> the object itself.
2287		2616
2288	=cut	2617	=cut
2289		2618
2290	sub inv_recursive_;	2619	sub inv_recursive_;
2291	sub inv_recursive_ {	2620	sub inv_recursive_ {
…		…
2296	inv_recursive_ inv $_[0]	2625	inv_recursive_ inv $_[0]
2297	}	2626	}
2298		2627
2299	=item $ref = $ob->ref	2628	=item $ref = $ob->ref
2300		2629
2301	creates and returns a persistent reference to an objetc that can be stored as a string.	2630	Creates and returns a persistent reference to an object that can be stored as a string.
2302		2631
2303	=item $ob = cf::object::deref ($refstring)	2632	=item $ob = cf::object::deref ($refstring)
2304		2633
2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2634	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2306	even if the object actually exists. May block.	2635	even if the object actually exists. May block.
…		…
2338	can be C<undef>. Does the right thing when the player is currently in a	2667	can be C<undef>. Does the right thing when the player is currently in a
2339	dialogue with the given NPC character.	2668	dialogue with the given NPC character.
2340		2669
2341	=cut	2670	=cut
2342		2671
		2672	our $SAY_CHANNEL = {
		2673	id => "say",
		2674	title => "Map",
		2675	reply => "say ",
		2676	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2677	};
		2678
		2679	our $CHAT_CHANNEL = {
		2680	id => "chat",
		2681	title => "Chat",
		2682	reply => "chat ",
		2683	tooltip => "Player chat and shouts, global to the server.",
		2684	};
		2685
2343	# rough implementation of a future "reply" method that works	2686	# rough implementation of a future "reply" method that works
2344	# with dialog boxes.	2687	# with dialog boxes.
2345	#TODO: the first argument must go, split into a $npc->reply_to ( method	2688	#TODO: the first argument must go, split into a $npc->reply_to ( method
2346	sub cf::object::player::reply($$$;$) {	2689	sub cf::object::player::reply($$$;$) {
2347	my ($self, $npc, $msg, $flags) = @_;	2690	my ($self, $npc, $msg, $flags) = @_;
…		…
2358	my $dialog = $pl->{npc_dialog};	2701	my $dialog = $pl->{npc_dialog};
2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2702	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2360		2703
2361	} else {	2704	} else {
2362	$msg = $npc->name . " says: $msg" if $npc;	2705	$msg = $npc->name . " says: $msg" if $npc;
2363	$self->message ($msg, $flags);	2706	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2364	}	2707	}
2365	}	2708	}
2366	}	2709	}
2367		2710
2368	=item $object->send_msg ($channel, $msg, $color, [extra...])	2711	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2393		2736
2394	=item $player_object->enter_link	2737	=item $player_object->enter_link
2395		2738
2396	Freezes the player and moves him/her to a special map (C<{link}>).	2739	Freezes the player and moves him/her to a special map (C<{link}>).
2397		2740
2398	The player should be reasonably safe there for short amounts of time. You	2741	The player should be reasonably safe there for short amounts of time (e.g.
2399	I<MUST> call C<leave_link> as soon as possible, though.	2742	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2743	though, as the player cannot control the character while it is on the link
		2744	map.
2400		2745
2401	Will never block.	2746	Will never block.
2402		2747
2403	=item $player_object->leave_link ($map, $x, $y)	2748	=item $player_object->leave_link ($map, $x, $y)
2404		2749
…		…
2424	sub cf::object::player::enter_link {	2769	sub cf::object::player::enter_link {
2425	my ($self) = @_;	2770	my ($self) = @_;
2426		2771
2427	$self->deactivate_recursive;	2772	$self->deactivate_recursive;
2428		2773
		2774	++$self->{_link_recursion};
		2775
2429	return if UNIVERSAL::isa $self->map, "ext::map_link";	2776	return if UNIVERSAL::isa $self->map, "ext::map_link";
2430		2777
2431	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2432	if $self->map && $self->map->{path} ne "{link}";	2779	if $self->map && $self->map->{path} ne "{link}";
2433		2780
2434	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2781	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2435	}	2782	}
2436		2783
2437	sub cf::object::player::leave_link {	2784	sub cf::object::player::leave_link {
2438	my ($self, $map, $x, $y) = @_;	2785	my ($self, $map, $x, $y) = @_;
2439		2786
…		…
2456	($x, $y) = (-1, -1)	2803	($x, $y) = (-1, -1)
2457	unless (defined $x) && (defined $y);	2804	unless (defined $x) && (defined $y);
2458		2805
2459	# use -1 or undef as default coordinates, not 0, 0	2806	# use -1 or undef as default coordinates, not 0, 0
2460	($x, $y) = ($map->enter_x, $map->enter_y)	2807	($x, $y) = ($map->enter_x, $map->enter_y)
2461	if $x <=0 && $y <= 0;	2808	if $x <= 0 && $y <= 0;
2462		2809
2463	$map->load;	2810	$map->load;
2464	$map->load_neighbours;
2465		2811
2466	return unless $self->contr->active;	2812	return unless $self->contr->active;
2467	$self->activate_recursive;
2468		2813
2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2814	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2470	$self->enter_map ($map, $x, $y);	2815	if ($self->enter_map ($map, $x, $y)) {
2471	}	2816	# entering was successful
		2817	delete $self->{_link_recursion};
		2818	# only activate afterwards, to support waiting in hooks
		2819	$self->activate_recursive;
		2820	}
2472		2821
		2822	}
		2823
2473	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2824	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2474		2825
2475	Moves the player to the given map-path and coordinates by first freezing	2826	Moves the player to the given map-path and coordinates by first freezing
2476	her, loading and preparing them map, calling the provided $check callback	2827	her, loading and preparing them map, calling the provided $check callback
2477	that has to return the map if sucecssful, and then unfreezes the player on	2828	that has to return the map if sucecssful, and then unfreezes the player on
2478	the new (success) or old (failed) map position. In either case, $done will	2829	the new (success) or old (failed) map position. In either case, $done will
2479	be called at the end of this process.	2830	be called at the end of this process.
2480		2831
		2832	Note that $check will be called with a potentially non-loaded map, so if
		2833	it needs a loaded map it has to call C<< ->load >>.
		2834
2481	=cut	2835	=cut
2482		2836
2483	our $GOTOGEN;	2837	our $GOTOGEN;
2484		2838
2485	sub cf::object::player::goto {	2839	sub cf::object::player::goto {
2486	my ($self, $path, $x, $y, $check, $done) = @_;	2840	my ($self, $path, $x, $y, $check, $done) = @_;
		2841
		2842	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2843	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2844	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2845	($path, $x, $y) = @$EMERGENCY_POSITION;
		2846	}
2487		2847
2488	# do generation counting so two concurrent goto's will be executed in-order	2848	# do generation counting so two concurrent goto's will be executed in-order
2489	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2849	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2490		2850
2491	$self->enter_link;	2851	$self->enter_link;
…		…
2511	($path, $x, $y) = (undef, undef, undef);	2871	($path, $x, $y) = (undef, undef, undef);
2512	}	2872	}
2513	}	2873	}
2514		2874
2515	my $map = eval {	2875	my $map = eval {
2516	my $map = defined $path ? cf::map::find $path : undef;	2876	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2517		2877
2518	if ($map) {	2878	if ($map) {
2519	$map = $map->customise_for ($self);	2879	$map = $map->customise_for ($self);
2520	$map = $check->($map) if $check && $map;	2880	$map = $check->($map, $x, $y, $self) if $check && $map;
2521	} else {	2881	} else {
2522	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2882	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2523	}	2883	}
2524		2884
2525	$map	2885	$map
…		…
2533	if ($gen == $self->{_goto_generation}) {	2893	if ($gen == $self->{_goto_generation}) {
2534	delete $self->{_goto_generation};	2894	delete $self->{_goto_generation};
2535	$self->leave_link ($map, $x, $y);	2895	$self->leave_link ($map, $x, $y);
2536	}	2896	}
2537		2897
2538	$done->() if $done;	2898	$done->($self) if $done;
2539	})->prio (1);	2899	})->prio (1);
2540	}	2900	}
2541		2901
2542	=item $player_object->enter_exit ($exit_object)	2902	=item $player_object->enter_exit ($exit_object)
2543		2903
…		…
2563	}	2923	}
2564		2924
2565	sub prepare_random_map {	2925	sub prepare_random_map {
2566	my ($exit) = @_;	2926	my ($exit) = @_;
2567		2927
2568	my $guard = cf::lock_acquire "exit_prepare:$exit";
2569
2570	# all this does is basically replace the /! path by	2928	# all this does is basically replace the /! path by
2571	# a new random map path (?random/...) with a seed	2929	# a new random map path (?random/...) with a seed
2572	# that depends on the exit object	2930	# that depends on the exit object
2573		2931
2574	my $rmp = parse_random_map_params $exit->msg;	2932	my $rmp = parse_random_map_params $exit->msg;
…		…
2576	if ($exit->map) {	2934	if ($exit->map) {
2577	$rmp->{region} = $exit->region->name;	2935	$rmp->{region} = $exit->region->name;
2578	$rmp->{origin_map} = $exit->map->path;	2936	$rmp->{origin_map} = $exit->map->path;
2579	$rmp->{origin_x} = $exit->x;	2937	$rmp->{origin_x} = $exit->x;
2580	$rmp->{origin_y} = $exit->y;	2938	$rmp->{origin_y} = $exit->y;
		2939
		2940	$exit->map->touch;
2581	}	2941	}
2582		2942
2583	$rmp->{random_seed} ||= $exit->random_seed;	2943	$rmp->{random_seed} ||= $exit->random_seed;
2584		2944
2585	my $data = cf::to_json $rmp;	2945	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2586	my $md5 = Digest::MD5::md5_hex $data;	2946	my $md5 = Digest::MD5::md5_hex $data;
2587	my $meta = "$RANDOMDIR/$md5.meta";	2947	my $meta = "$RANDOMDIR/$md5.meta";
2588		2948
2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2949	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2590	aio_write $fh, 0, (length $data), $data, 0;	2950	aio_write $fh, 0, (length $data), $data, 0;
2591	undef $fh;	2951	undef $fh;
2592	aio_rename "$meta~", $meta;	2952	aio_rename "$meta~", $meta;
2593		2953
		2954	my $slaying = "?random/$md5";
		2955
		2956	if ($exit->valid) {
2594	$exit->slaying ("?random/$md5");	2957	$exit->slaying ("?random/$md5");
2595	$exit->msg (undef);	2958	$exit->msg (undef);
		2959	}
2596	}	2960	}
2597	}	2961	}
2598		2962
2599	sub cf::object::player::enter_exit {	2963	sub cf::object::player::enter_exit {
2600	my ($self, $exit) = @_;	2964	my ($self, $exit) = @_;
2601		2965
2602	return unless $self->type == cf::PLAYER;	2966	return unless $self->type == cf::PLAYER;
2603		2967
2604	if ($exit->slaying eq "/!") {
2605	#TODO: this should de-fi-ni-te-ly not be a sync-job
2606	# the problem is that $exit might not survive long enough
2607	# so it needs to be done right now, right here
2608	cf::sync_job { prepare_random_map $exit };
2609	}
2610
2611	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2612	my $hp = $exit->stats->hp;
2613	my $sp = $exit->stats->sp;
2614
2615	$self->enter_link;	2968	$self->enter_link;
2616		2969
2617	# if exit is damned, update players death & WoR home-position
2618	$self->contr->savebed ($slaying, $hp, $sp)
2619	if $exit->flag (FLAG_DAMNED);
2620
2621	(async {	2970	(async {
2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2971	$Coro::current->{desc} = "enter_exit";
2623		2972
2624	$self->deactivate_recursive; # just to be sure
2625	unless (eval {	2973	unless (eval {
		2974	$self->deactivate_recursive; # just to be sure
		2975
		2976	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2977	my $x = $exit->stats->hp;
		2978	my $y = $exit->stats->sp;
		2979
		2980	# special map handling
		2981	my $slaying = $exit->slaying;
		2982
		2983	# special map handling
		2984	if ($slaying eq "/!") {
		2985	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2986
		2987	prepare_random_map $exit
		2988	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2989
		2990	$map = $exit->slaying;
		2991
		2992	} elsif ($slaying eq '!up') {
		2993	$map = $exit->map->tile_path (cf::TILE_UP);
		2994	$x = $exit->x;
		2995	$y = $exit->y;
		2996
		2997	} elsif ($slaying eq '!down') {
		2998	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2999	$x = $exit->x;
		3000	$y = $exit->y;
		3001	}
		3002
2626	$self->goto ($slaying, $hp, $sp);	3003	$self->goto ($map, $x, $y);
2627		3004
		3005	# if exit is damned, update players death & WoR home-position
		3006	$self->contr->savebed ($map, $x, $y)
		3007	if $exit->flag (cf::FLAG_DAMNED);
		3008
2628	1;	3009	1
2629	}) {	3010	}) {
2630	$self->message ("Something went wrong deep within the crossfire server. "	3011	$self->message ("Something went wrong deep within the deliantra server. "
2631	. "I'll try to bring you back to the map you were before. "	3012	. "I'll try to bring you back to the map you were before. "
2632	. "Please report this to the dungeon master!",	3013	. "Please report this to the dungeon master!",
2633	cf::NDI_UNIQUE | cf::NDI_RED);	3014	cf::NDI_UNIQUE | cf::NDI_RED);
2634		3015
2635	warn "ERROR in enter_exit: $@";	3016	error "ERROR in enter_exit: $@";
2636	$self->leave_link;	3017	$self->leave_link;
2637	}	3018	}
2638	})->prio (1);	3019	})->prio (1);
2639	}	3020	}
2640		3021
…		…
2652	sub cf::client::send_drawinfo {	3033	sub cf::client::send_drawinfo {
2653	my ($self, $text, $flags) = @_;	3034	my ($self, $text, $flags) = @_;
2654		3035
2655	utf8::encode $text;	3036	utf8::encode $text;
2656	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3037	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3038	}
		3039
		3040	=item $client->send_big_packet ($pkt)
		3041
		3042	Like C<send_packet>, but tries to compress large packets, and fragments
		3043	them as required.
		3044
		3045	=cut
		3046
		3047	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3048
		3049	sub cf::client::send_big_packet {
		3050	my ($self, $pkt) = @_;
		3051
		3052	# try lzf for large packets
		3053	$pkt = "lzf " . Compress::LZF::compress $pkt
		3054	if 1024 <= length $pkt and $self->{can_lzf};
		3055
		3056	# split very large packets
		3057	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3058	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3059	$pkt = "frag";
		3060	}
		3061
		3062	$self->send_packet ($pkt);
2657	}	3063	}
2658		3064
2659	=item $client->send_msg ($channel, $msg, $color, [extra...])	3065	=item $client->send_msg ($channel, $msg, $color, [extra...])
2660		3066
2661	Send a drawinfo or msg packet to the client, formatting the msg for the	3067	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2663	the message, with C<log> being the default. If C<$color> is negative, suppress	3069	the message, with C<log> being the default. If C<$color> is negative, suppress
2664	the message unless the client supports the msg packet.	3070	the message unless the client supports the msg packet.
2665		3071
2666	=cut	3072	=cut
2667		3073
		3074	# non-persistent channels (usually the info channel)
2668	our %CHANNEL = (	3075	our %CHANNEL = (
		3076	"c/motd" => {
		3077	id => "infobox",
		3078	title => "MOTD",
		3079	reply => undef,
		3080	tooltip => "The message of the day",
		3081	},
2669	"c/identify" => {	3082	"c/identify" => {
2670	id => "infobox",	3083	id => "infobox",
2671	title => "Identify",	3084	title => "Identify",
2672	reply => undef,	3085	reply => undef,
2673	tooltip => "Items recently identified",	3086	tooltip => "Items recently identified",
…		…
2676	id => "infobox",	3089	id => "infobox",
2677	title => "Examine",	3090	title => "Examine",
2678	reply => undef,	3091	reply => undef,
2679	tooltip => "Signs and other items you examined",	3092	tooltip => "Signs and other items you examined",
2680	},	3093	},
		3094	"c/shopinfo" => {
		3095	id => "infobox",
		3096	title => "Shop Info",
		3097	reply => undef,
		3098	tooltip => "What your bargaining skill tells you about the shop",
		3099	},
		3100	"c/book" => {
		3101	id => "infobox",
		3102	title => "Book",
		3103	reply => undef,
		3104	tooltip => "The contents of a note or book",
		3105	},
2681	"c/lookat" => {	3106	"c/lookat" => {
2682	id => "infobox",	3107	id => "infobox",
2683	title => "Look",	3108	title => "Look",
2684	reply => undef,	3109	reply => undef,
2685	tooltip => "What you saw there",	3110	tooltip => "What you saw there",
2686	},	3111	},
		3112	"c/who" => {
		3113	id => "infobox",
		3114	title => "Players",
		3115	reply => undef,
		3116	tooltip => "Shows players who are currently online",
		3117	},
		3118	"c/body" => {
		3119	id => "infobox",
		3120	title => "Body Parts",
		3121	reply => undef,
		3122	tooltip => "Shows which body parts you posess and are available",
		3123	},
		3124	"c/statistics" => {
		3125	id => "infobox",
		3126	title => "Statistics",
		3127	reply => undef,
		3128	tooltip => "Shows your primary statistics",
		3129	},
		3130	"c/skills" => {
		3131	id => "infobox",
		3132	title => "Skills",
		3133	reply => undef,
		3134	tooltip => "Shows your experience per skill and item power",
		3135	},
		3136	"c/shopitems" => {
		3137	id => "infobox",
		3138	title => "Shop Items",
		3139	reply => undef,
		3140	tooltip => "Shows the items currently for sale in this shop",
		3141	},
		3142	"c/resistances" => {
		3143	id => "infobox",
		3144	title => "Resistances",
		3145	reply => undef,
		3146	tooltip => "Shows your resistances",
		3147	},
		3148	"c/pets" => {
		3149	id => "infobox",
		3150	title => "Pets",
		3151	reply => undef,
		3152	tooltip => "Shows information abotu your pets/a specific pet",
		3153	},
		3154	"c/perceiveself" => {
		3155	id => "infobox",
		3156	title => "Perceive Self",
		3157	reply => undef,
		3158	tooltip => "You gained detailed knowledge about yourself",
		3159	},
		3160	"c/uptime" => {
		3161	id => "infobox",
		3162	title => "Uptime",
		3163	reply => undef,
		3164	tooltip => "How long the server has been running since last restart",
		3165	},
		3166	"c/mapinfo" => {
		3167	id => "infobox",
		3168	title => "Map Info",
		3169	reply => undef,
		3170	tooltip => "Information related to the maps",
		3171	},
		3172	"c/party" => {
		3173	id => "party",
		3174	title => "Party",
		3175	reply => "gsay ",
		3176	tooltip => "Messages and chat related to your party",
		3177	},
		3178	"c/death" => {
		3179	id => "death",
		3180	title => "Death",
		3181	reply => undef,
		3182	tooltip => "Reason for and more info about your most recent death",
		3183	},
		3184	"c/say" => $SAY_CHANNEL,
		3185	"c/chat" => $CHAT_CHANNEL,
2687	);	3186	);
2688		3187
2689	sub cf::client::send_msg {	3188	sub cf::client::send_msg {
2690	my ($self, $channel, $msg, $color, @extra) = @_;	3189	my ($self, $channel, $msg, $color, @extra) = @_;
2691		3190
2692	$msg = $self->pl->expand_cfpod ($msg);	3191	$msg = $self->pl->expand_cfpod ($msg)
		3192	unless $color & cf::NDI_VERBATIM;
2693		3193
2694	$color &= cf::NDI_CLIENT_MASK; # just in case...	3194	$color &= cf::NDI_CLIENT_MASK; # just in case...
2695		3195
2696	# check predefined channels, for the benefit of C	3196	# check predefined channels, for the benefit of C
2697	if ($CHANNEL{$channel}) {	3197	if ($CHANNEL{$channel}) {
2698	$channel = $CHANNEL{$channel};	3198	$channel = $CHANNEL{$channel};
2699		3199
2700	$self->ext_msg (channel_info => $channel)	3200	$self->ext_msg (channel_info => $channel);
2701	if $self->can_msg;
2702
2703	$channel = $channel->{id};	3201	$channel = $channel->{id};
2704		3202
2705	} elsif (ref $channel) {	3203	} elsif (ref $channel) {
2706	# send meta info to client, if not yet sent	3204	# send meta info to client, if not yet sent
2707	unless (exists $self->{channel}{$channel->{id}}) {	3205	unless (exists $self->{channel}{$channel->{id}}) {
2708	$self->{channel}{$channel->{id}} = $channel;	3206	$self->{channel}{$channel->{id}} = $channel;
2709	$self->ext_msg (channel_info => $channel)	3207	$self->ext_msg (channel_info => $channel);
2710	if $self->can_msg;
2711	}	3208	}
2712		3209
2713	$channel = $channel->{id};	3210	$channel = $channel->{id};
2714	}	3211	}
2715		3212
2716	return unless @extra || length $msg;	3213	return unless @extra || length $msg;
2717		3214
2718	if ($self->can_msg) {
2719	# default colour, mask it out	3215	# default colour, mask it out
2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3216	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2721	if $color & cf::NDI_DEF;	3217	if $color & cf::NDI_DEF;
2722		3218
2723	$self->send_packet ("msg " . $self->{json_coder}->encode (	3219	my $pkt = "msg "
		3220	. $self->{json_coder}->encode (
2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3221	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2725	} else {	3222	);
2726	if ($color >= 0) {
2727	# replace some tags by gcfclient-compatible ones
2728	for ($msg) {
2729	1 while
2730	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2731	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2732	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2733	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2734	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2735	}
2736		3223
2737	$color &= cf::NDI_COLOR_MASK;	3224	$self->send_big_packet ($pkt);
2738
2739	utf8::encode $msg;
2740
2741	if (0 && $msg =~ /\[/) {
2742	# COMMAND/INFO
2743	$self->send_packet ("drawextinfo $color 10 8 $msg")
2744	} else {
2745	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2746	$self->send_packet ("drawinfo $color $msg")
2747	}
2748	}
2749	}
2750	}	3225	}
2751		3226
2752	=item $client->ext_msg ($type, @msg)	3227	=item $client->ext_msg ($type, @msg)
2753		3228
2754	Sends an ext event to the client.	3229	Sends an ext event to the client.
…		…
2757		3232
2758	sub cf::client::ext_msg($$@) {	3233	sub cf::client::ext_msg($$@) {
2759	my ($self, $type, @msg) = @_;	3234	my ($self, $type, @msg) = @_;
2760		3235
2761	if ($self->extcmd == 2) {	3236	if ($self->extcmd == 2) {
2762	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3237	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2763	} elsif ($self->extcmd == 1) { # TODO: remove	3238	} elsif ($self->extcmd == 1) { # TODO: remove
2764	push @msg, msgtype => "event_$type";	3239	push @msg, msgtype => "event_$type";
2765	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2766	}	3241	}
2767	}	3242	}
2768		3243
2769	=item $client->ext_reply ($msgid, @msg)	3244	=item $client->ext_reply ($msgid, @msg)
2770		3245
…		…
2773	=cut	3248	=cut
2774		3249
2775	sub cf::client::ext_reply($$@) {	3250	sub cf::client::ext_reply($$@) {
2776	my ($self, $id, @msg) = @_;	3251	my ($self, $id, @msg) = @_;
2777		3252
2778	if ($self->extcmd == 2) {	3253	return unless $self->extcmd == 2;
		3254
2779	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3255	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2780	} elsif ($self->extcmd == 1) {
2781	#TODO: version 1, remove
2782	unshift @msg, msgtype => "reply", msgid => $id;
2783	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2784	}
2785	}	3256	}
2786		3257
2787	=item $success = $client->query ($flags, "text", \&cb)	3258	=item $success = $client->query ($flags, "text", \&cb)
2788		3259
2789	Queues a query to the client, calling the given callback with	3260	Queues a query to the client, calling the given callback with
…		…
2844	my ($ns, $buf) = @_;	3315	my ($ns, $buf) = @_;
2845		3316
2846	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3317	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2847		3318
2848	if (ref $msg) {	3319	if (ref $msg) {
2849	my ($type, $reply, @payload) =	3320	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2850	"ARRAY" eq ref $msg
2851	? @$msg
2852	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2853		3321
2854	my @reply;	3322	my @reply;
2855		3323
2856	if (my $cb = $EXTICMD{$type}) {	3324	if (my $cb = $EXTICMD{$type}) {
2857	@reply = $cb->($ns, @payload);	3325	@reply = $cb->($ns, @payload);
…		…
2859		3327
2860	$ns->ext_reply ($reply, @reply)	3328	$ns->ext_reply ($reply, @reply)
2861	if $reply;	3329	if $reply;
2862		3330
2863	} else {	3331	} else {
2864	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3332	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2865	}	3333	}
2866		3334
2867	cf::override;	3335	cf::override;
2868	},	3336	},
2869	);	3337	);
…		…
2889		3357
2890	$coro	3358	$coro
2891	}	3359	}
2892		3360
2893	cf::client->attach (	3361	cf::client->attach (
2894	on_destroy => sub {	3362	on_client_destroy => sub {
2895	my ($ns) = @_;	3363	my ($ns) = @_;
2896		3364
2897	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3365	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2898	},	3366	},
2899	);	3367	);
…		…
2915	our $safe_hole = new Safe::Hole;	3383	our $safe_hole = new Safe::Hole;
2916		3384
2917	$SIG{FPE} = 'IGNORE';	3385	$SIG{FPE} = 'IGNORE';
2918		3386
2919	$safe->permit_only (Opcode::opset qw(	3387	$safe->permit_only (Opcode::opset qw(
2920	:base_core :base_mem :base_orig :base_math	3388	:base_core :base_mem :base_orig :base_math :base_loop
2921	grepstart grepwhile mapstart mapwhile	3389	grepstart grepwhile mapstart mapwhile
2922	sort time	3390	sort time
2923	));	3391	));
2924		3392
2925	# here we export the classes and methods available to script code	3393	# here we export the classes and methods available to script code
…		…
2928		3396
2929	The following functions and methods are available within a safe environment:	3397	The following functions and methods are available within a safe environment:
2930		3398
2931	cf::object	3399	cf::object
2932	contr pay_amount pay_player map x y force_find force_add destroy	3400	contr pay_amount pay_player map x y force_find force_add destroy
2933	insert remove name archname title slaying race decrease_ob_nr	3401	insert remove name archname title slaying race decrease split
		3402	value
2934		3403
2935	cf::object::player	3404	cf::object::player
2936	player	3405	player
2937		3406
2938	cf::player	3407	cf::player
…		…
2943		3412
2944	=cut	3413	=cut
2945		3414
2946	for (	3415	for (
2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3416	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2948	insert remove inv name archname title slaying race	3417	insert remove inv nrof name archname title slaying race
2949	decrease_ob_nr destroy)],	3418	decrease split destroy change_exp value msg lore send_msg)],
2950	["cf::object::player" => qw(player)],	3419	["cf::object::player" => qw(player)],
2951	["cf::player" => qw(peaceful)],	3420	["cf::player" => qw(peaceful send_msg)],
2952	["cf::map" => qw(trigger)],	3421	["cf::map" => qw(trigger)],
2953	) {	3422	) {
2954	no strict 'refs';
2955	my ($pkg, @funs) = @$_;	3423	my ($pkg, @funs) = @$_;
2956	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3424	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2957	for @funs;	3425	for @funs;
2958	}	3426	}
2959		3427
…		…
2974		3442
2975	my $qcode = $code;	3443	my $qcode = $code;
2976	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3444	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2977	$qcode =~ s/\n/\\n/g;	3445	$qcode =~ s/\n/\\n/g;
2978		3446
		3447	%vars = (_dummy => 0) unless %vars;
		3448
		3449	my @res;
2979	local $_;	3450	local $_;
2980	local @safe::cf::_safe_eval_args = values %vars;
2981		3451
2982	my $eval =	3452	my $eval =
2983	"do {\n"	3453	"do {\n"
2984	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3454	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2985	. "#line 0 \"{$qcode}\"\n"	3455	. "#line 0 \"{$qcode}\"\n"
2986	. $code	3456	. $code
2987	. "\n}"	3457	. "\n}"
2988	;	3458	;
2989		3459
		3460	if ($CFG{safe_eval}) {
2990	sub_generation_inc;	3461	sub_generation_inc;
		3462	local @safe::cf::_safe_eval_args = values %vars;
2991	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3463	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2992	sub_generation_inc;	3464	sub_generation_inc;
		3465	} else {
		3466	local @cf::_safe_eval_args = values %vars;
		3467	@res = wantarray ? eval eval : scalar eval $eval;
		3468	}
2993		3469
2994	if ($@) {	3470	if ($@) {
2995	warn "$@";	3471	warn "$@",
2996	warn "while executing safe code '$code'\n";	3472	"while executing safe code '$code'\n",
2997	warn "with arguments " . (join " ", %vars) . "\n";	3473	"with arguments " . (join " ", %vars) . "\n";
2998	}	3474	}
2999		3475
3000	wantarray ? @res : $res[0]	3476	wantarray ? @res : $res[0]
3001	}	3477	}
3002		3478
…		…
3016	=cut	3492	=cut
3017		3493
3018	sub register_script_function {	3494	sub register_script_function {
3019	my ($fun, $cb) = @_;	3495	my ($fun, $cb) = @_;
3020		3496
3021	no strict 'refs';	3497	$fun = "safe::$fun" if $CFG{safe_eval};
3022	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3498	*$fun = $safe_hole->wrap ($cb);
3023	}	3499	}
3024		3500
3025	=back	3501	=back
3026		3502
3027	=cut	3503	=cut
3028		3504
3029	#############################################################################	3505	#############################################################################
3030	# the server's init and main functions	3506	# the server's init and main functions
		3507
		3508	our %FACEHASH; # hash => idx, #d# HACK for http server
3031		3509
3032	sub load_facedata($) {	3510	sub load_facedata($) {
3033	my ($path) = @_;	3511	my ($path) = @_;
3034		3512
3035	# HACK to clear player env face cache, we need some signal framework	3513	# HACK to clear player env face cache, we need some signal framework
3036	# for this (global event?)	3514	# for this (global event?)
3037	%ext::player_env::MUSIC_FACE_CACHE = ();	3515	%ext::player_env::MUSIC_FACE_CACHE = ();
3038		3516
3039	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3517	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3040		3518
3041	warn "loading facedata from $path\n";	3519	trace "loading facedata from $path\n";
3042		3520
3043	my $facedata;	3521	my $facedata = decode_storable load_file $path;
3044	0 < aio_load $path, $facedata
3045	or die "$path: $!";
3046
3047	$facedata = Coro::Storable::thaw $facedata;
3048		3522
3049	$facedata->{version} == 2	3523	$facedata->{version} == 2
3050	or cf::cleanup "$path: version mismatch, cannot proceed.";	3524	or cf::cleanup "$path: version mismatch, cannot proceed.";
3051		3525
3052	# patch in the exptable	3526	# patch in the exptable
		3527	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3053	$facedata->{resource}{"res/exp_table"} = {	3528	$facedata->{resource}{"res/exp_table"} = {
3054	type => FT_RSRC,	3529	type => FT_RSRC,
3055	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3530	data => $exp_table,
		3531	hash => (Digest::MD5::md5 $exp_table),
3056	};	3532	};
3057	cf::cede_to_tick;	3533	cf::cede_to_tick;
3058		3534
3059	{	3535	{
3060	my $faces = $facedata->{faceinfo};	3536	my $faces = $facedata->{faceinfo};
3061		3537
3062	while (my ($face, $info) = each %$faces) {	3538	while (my ($face, $info) = each %$faces) {
3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3539	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3540
3064	cf::face::set_visibility $idx, $info->{visibility};	3541	cf::face::set_visibility $idx, $info->{visibility};
3065	cf::face::set_magicmap $idx, $info->{magicmap};	3542	cf::face::set_magicmap $idx, $info->{magicmap};
3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3543	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3544	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3545	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3546	$FACEHASH{$info->{hash64}} = $idx;#d#
3068		3547
3069	cf::cede_to_tick;	3548	cf::cede_to_tick;
3070	}	3549	}
3071		3550
3072	while (my ($face, $info) = each %$faces) {	3551	while (my ($face, $info) = each %$faces) {
3073	next unless $info->{smooth};	3552	next unless $info->{smooth};
		3553
3074	my $idx = cf::face::find $face	3554	my $idx = cf::face::find $face
3075	or next;	3555	or next;
		3556
3076	if (my $smooth = cf::face::find $info->{smooth}) {	3557	if (my $smooth = cf::face::find $info->{smooth}) {
3077	cf::face::set_smooth $idx, $smooth;	3558	cf::face::set_smooth $idx, $smooth;
3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3559	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3079	} else {	3560	} else {
3080	warn "smooth face '$info->{smooth}' not found for face '$face'";	3561	error "smooth face '$info->{smooth}' not found for face '$face'";
3081	}	3562	}
3082		3563
3083	cf::cede_to_tick;	3564	cf::cede_to_tick;
3084	}	3565	}
3085	}	3566	}
…		…
3094		3575
3095	cf::anim::invalidate_all; # d'oh	3576	cf::anim::invalidate_all; # d'oh
3096	}	3577	}
3097		3578
3098	{	3579	{
3099	# TODO: for gcfclient pleasure, we should give resources
3100	# that gcfclient doesn't grok a >10000 face index.
3101	my $res = $facedata->{resource};	3580	my $res = $facedata->{resource};
3102		3581
3103	my $soundconf = delete $res->{"res/sound.conf"};
3104
3105	while (my ($name, $info) = each %$res) {	3582	while (my ($name, $info) = each %$res) {
		3583	if (defined (my $type = $info->{type})) {
		3584	# TODO: different hash - must free and use new index, or cache ixface data queue
3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3585	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3107	my $data;
3108		3586
3109	if ($info->{type} & 1) {	3587	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3110	# prepend meta info	3588	cf::face::set_type $idx, $type;
3111		3589	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3112	my $meta = $enc->encode ({	3590	$FACEHASH{$info->{hash}} = $idx;#d#
3113	name => $name,
3114	%{ $info->{meta} || {} },
3115	});
3116
3117	$data = pack "(w/a*)*", $meta, $info->{data};
3118	} else {	3591	} else {
3119	$data = $info->{data};	3592	# $RESOURCE{$name} = $info; # unused
3120	}	3593	}
3121		3594
3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3123	cf::face::set_type $idx, $info->{type};
3124
3125	cf::cede_to_tick;	3595	cf::cede_to_tick;
3126	}	3596	}
3127
3128	if ($soundconf) {
3129	$soundconf = $enc->decode (delete $soundconf->{data});
3130
3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3132	my $sound = $soundconf->{compat}[$_]
3133	or next;
3134
3135	my $face = cf::face::find "sound/$sound->[1]";
3136	cf::sound::set $sound->[0] => $face;
3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3138	}
3139
3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
3141	my $face = cf::face::find "sound/$v";
3142	cf::sound::set $k => $face;
3143	}
3144	}
3145	}	3597	}
		3598
		3599	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3146		3600
3147	1	3601	1
3148	}	3602	}
3149		3603
3150	register_exticmd fx_want => sub {	3604	register_exticmd fx_want => sub {
…		…
3152		3606
3153	while (my ($k, $v) = each %$want) {	3607	while (my ($k, $v) = each %$want) {
3154	$ns->fx_want ($k, $v);	3608	$ns->fx_want ($k, $v);
3155	}	3609	}
3156	};	3610	};
		3611
		3612	sub load_resource_file($) {
		3613	my $guard = lock_acquire "load_resource_file";
		3614
		3615	my $status = load_resource_file_ $_[0];
		3616	get_slot 0.1, 100;
		3617	cf::arch::commit_load;
		3618
		3619	$status
		3620	}
3157		3621
3158	sub reload_regions {	3622	sub reload_regions {
3159	# HACK to clear player env face cache, we need some signal framework	3623	# HACK to clear player env face cache, we need some signal framework
3160	# for this (global event?)	3624	# for this (global event?)
3161	%ext::player_env::MUSIC_FACE_CACHE = ();	3625	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3175	}	3639	}
3176		3640
3177	sub reload_archetypes {	3641	sub reload_archetypes {
3178	load_resource_file "$DATADIR/archetypes"	3642	load_resource_file "$DATADIR/archetypes"
3179	or die "unable to load archetypes\n";	3643	or die "unable to load archetypes\n";
3180	#d# NEED to laod twice to resolve forward references
3181	# this really needs to be done in an extra post-pass
3182	# (which needs to be synchronous, so solve it differently)
3183	load_resource_file "$DATADIR/archetypes"
3184	or die "unable to load archetypes\n";
3185	}	3644	}
3186		3645
3187	sub reload_treasures {	3646	sub reload_treasures {
3188	load_resource_file "$DATADIR/treasures"	3647	load_resource_file "$DATADIR/treasures"
3189	or die "unable to load treasurelists\n";	3648	or die "unable to load treasurelists\n";
3190	}	3649	}
3191		3650
		3651	sub reload_sound {
		3652	trace "loading sound config from $DATADIR/sound\n";
		3653
		3654	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3655
		3656	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3657	my $sound = $soundconf->{compat}[$_]
		3658	or next;
		3659
		3660	my $face = cf::face::find "sound/$sound->[1]";
		3661	cf::sound::set $sound->[0] => $face;
		3662	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3663	}
		3664
		3665	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3666	my $face = cf::face::find "sound/$v";
		3667	cf::sound::set $k => $face;
		3668	}
		3669	}
		3670
3192	sub reload_resources {	3671	sub reload_resources {
3193	warn "reloading resource files...\n";	3672	trace "reloading resource files...\n";
3194		3673
		3674	reload_exp_table;
		3675	reload_materials;
		3676	reload_facedata;
		3677	reload_sound;
		3678	reload_archetypes;
3195	reload_regions;	3679	reload_regions;
3196	reload_facedata;
3197	#reload_archetypes;#d#
3198	reload_archetypes;
3199	reload_treasures;	3680	reload_treasures;
3200		3681
3201	warn "finished reloading resource files\n";	3682	trace "finished reloading resource files\n";
3202	}
3203
3204	sub init {
3205	reload_resources;
3206	}	3683	}
3207		3684
3208	sub reload_config {	3685	sub reload_config {
3209	open my $fh, "<:utf8", "$CONFDIR/config"	3686	trace "reloading config file...\n";
3210	or return;
3211		3687
3212	local $/;	3688	my $config = load_file "$CONFDIR/config";
3213	*CFG = YAML::Syck::Load <$fh>;	3689	utf8::decode $config;
		3690	*CFG = decode_yaml $config;
3214		3691
3215	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3692	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3216		3693
3217	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3694	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3218	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3695	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3219		3696
3220	if (exists $CFG{mlockall}) {	3697	if (exists $CFG{mlockall}) {
…		…
3224	};	3701	};
3225	warn $@ if $@;	3702	warn $@ if $@;
3226	}	3703	}
3227	}	3704	}
3228		3705
		3706	sub pidfile() {
		3707	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3708	or die "$PIDFILE: $!";
		3709	flock $fh, &Fcntl::LOCK_EX
		3710	or die "$PIDFILE: flock: $!";
		3711	$fh
		3712	}
		3713
		3714	# make sure only one server instance is running at any one time
		3715	sub atomic {
		3716	my $fh = pidfile;
		3717
		3718	my $pid = <$fh>;
		3719	kill 9, $pid if $pid > 0;
		3720
		3721	seek $fh, 0, 0;
		3722	print $fh $$;
		3723	}
		3724
		3725	sub main_loop {
		3726	trace "EV::loop starting\n";
		3727	if (1) {
		3728	EV::loop;
		3729	}
		3730	trace "EV::loop returned\n";
		3731	goto &main_loop unless $REALLY_UNLOOP;
		3732	}
		3733
3229	sub main {	3734	sub main {
		3735	cf::init_globals; # initialise logging
		3736
		3737	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3738	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3739	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3740	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3741
		3742	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3743
3230	# we must not ever block the main coroutine	3744	# we must not ever block the main coroutine
3231	local $Coro::idle = sub {	3745	local $Coro::idle = sub {
3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3746	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3233	(async {	3747	(async {
3234	$Coro::current->{desc} = "IDLE BUG HANDLER";	3748	$Coro::current->{desc} = "IDLE BUG HANDLER";
3235	Event::one_event;	3749	EV::loop EV::LOOP_ONESHOT;
3236	})->prio (Coro::PRIO_MAX);	3750	})->prio (Coro::PRIO_MAX);
3237	};	3751	};
3238		3752
		3753	evthread_start IO::AIO::poll_fileno;
		3754
		3755	cf::sync_job {
		3756	cf::incloader::init ();
		3757
		3758	cf::init_anim;
		3759	cf::init_attackmess;
		3760	cf::init_dynamic;
		3761
		3762	cf::load_settings;
		3763
		3764	reload_resources;
3239	reload_config;	3765	reload_config;
3240	db_init;	3766	db_init;
		3767
		3768	cf::init_uuid;
		3769	cf::init_signals;
		3770	cf::init_skills;
		3771
		3772	cf::init_beforeplay;
		3773
		3774	atomic;
		3775
3241	load_extensions;	3776	load_extensions;
3242		3777
3243	$TICK_WATCHER->start;	3778	utime time, time, $RUNTIMEFILE;
3244	Event::loop;	3779
		3780	# no (long-running) fork's whatsoever before this point(!)
		3781	use POSIX ();
		3782	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3783
		3784	cf::_post_init 0;
		3785	};
		3786
		3787	cf::object::thawer::errors_are_fatal 0;
		3788	info "parse errors in files are no longer fatal from this point on.\n";
		3789
		3790	AE::postpone {
		3791	undef &main; # free gobs of memory :)
		3792	};
		3793
		3794	goto &main_loop;
3245	}	3795	}
3246		3796
3247	#############################################################################	3797	#############################################################################
3248	# initialisation and cleanup	3798	# initialisation and cleanup
3249		3799
3250	# install some emergency cleanup handlers	3800	# install some emergency cleanup handlers
3251	BEGIN {	3801	BEGIN {
		3802	our %SIGWATCHER = ();
3252	for my $signal (qw(INT HUP TERM)) {	3803	for my $signal (qw(INT HUP TERM)) {
3253	Event->signal (	3804	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3254	reentrant => 0,
3255	data => WF_AUTOCANCEL,
3256	signal => $signal,
3257	prio => 0,
3258	cb => sub {
3259	cf::cleanup "SIG$signal";	3805	cf::cleanup "SIG$signal";
3260	},
3261	);	3806	};
3262	}	3807	}
3263	}	3808	}
3264		3809
3265	sub write_runtime {	3810	sub write_runtime_sync {
3266	my $runtime = "$LOCALDIR/runtime";	3811	my $t0 = AE::time;
3267		3812
3268	# first touch the runtime file to show we are still running:	3813	# first touch the runtime file to show we are still running:
3269	# the fsync below can take a very very long time.	3814	# the fsync below can take a very very long time.
3270		3815
3271	IO::AIO::aio_utime $runtime, undef, undef;	3816	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3272		3817
3273	my $guard = cf::lock_acquire "write_runtime";	3818	my $guard = cf::lock_acquire "write_runtime";
3274		3819
3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3820	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3276	or return;	3821	or return;
3277		3822
3278	my $value = $cf::RUNTIME + 90 + 10;	3823	my $value = $cf::RUNTIME + 90 + 10;
3279	# 10 is the runtime save interval, for a monotonic clock	3824	# 10 is the runtime save interval, for a monotonic clock
3280	# 60 allows for the watchdog to kill the server.	3825	# 60 allows for the watchdog to kill the server.
…		…
3290	aio_utime $fh, undef, undef;	3835	aio_utime $fh, undef, undef;
3291		3836
3292	close $fh	3837	close $fh
3293	or return;	3838	or return;
3294		3839
3295	aio_rename "$runtime~", $runtime	3840	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3296	and return;	3841	and return;
3297		3842
3298	warn "runtime file written.\n";	3843	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3299		3844
3300	1	3845	1
		3846	}
		3847
		3848	our $uuid_lock;
		3849	our $uuid_skip;
		3850
		3851	sub write_uuid_sync($) {
		3852	$uuid_skip ||= $_[0];
		3853
		3854	return if $uuid_lock;
		3855	local $uuid_lock = 1;
		3856
		3857	my $uuid = "$LOCALDIR/uuid";
		3858
		3859	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3860	or return;
		3861
		3862	my $value = uuid_seq uuid_cur;
		3863
		3864	unless ($value) {
		3865	info "cowardly refusing to write zero uuid value!\n";
		3866	return;
		3867	}
		3868
		3869	my $value = uuid_str $value + $uuid_skip;
		3870	$uuid_skip = 0;
		3871
		3872	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3873	and return;
		3874
		3875	# always fsync - this file is important
		3876	aio_fsync $fh
		3877	and return;
		3878
		3879	close $fh
		3880	or return;
		3881
		3882	aio_rename "$uuid~", $uuid
		3883	and return;
		3884
		3885	trace "uuid file written ($value).\n";
		3886
		3887	1
		3888
		3889	}
		3890
		3891	sub write_uuid($$) {
		3892	my ($skip, $sync) = @_;
		3893
		3894	$sync ? write_uuid_sync $skip
		3895	: async { write_uuid_sync $skip };
3301	}	3896	}
3302		3897
3303	sub emergency_save() {	3898	sub emergency_save() {
3304	my $freeze_guard = cf::freeze_mainloop;	3899	my $freeze_guard = cf::freeze_mainloop;
3305		3900
3306	warn "enter emergency perl save\n";	3901	info "emergency_perl_save: enter\n";
		3902
		3903	# this is a trade-off: we want to be very quick here, so
		3904	# save all maps without fsync, and later call a global sync
		3905	# (which in turn might be very very slow)
		3906	local $USE_FSYNC = 0;
3307		3907
3308	cf::sync_job {	3908	cf::sync_job {
		3909	cf::write_runtime_sync; # external watchdog should not bark
		3910
3309	# use a peculiar iteration method to avoid tripping on perl	3911	# use a peculiar iteration method to avoid tripping on perl
3310	# refcount bugs in for. also avoids problems with players	3912	# refcount bugs in for. also avoids problems with players
3311	# and maps saved/destroyed asynchronously.	3913	# and maps saved/destroyed asynchronously.
3312	warn "begin emergency player save\n";	3914	info "emergency_perl_save: begin player save\n";
3313	for my $login (keys %cf::PLAYER) {	3915	for my $login (keys %cf::PLAYER) {
3314	my $pl = $cf::PLAYER{$login} or next;	3916	my $pl = $cf::PLAYER{$login} or next;
3315	$pl->valid or next;	3917	$pl->valid or next;
3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3918	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3317	$pl->save;	3919	$pl->save;
3318	}	3920	}
3319	warn "end emergency player save\n";	3921	info "emergency_perl_save: end player save\n";
3320		3922
3321	warn "begin emergency map save\n";	3923	cf::write_runtime_sync; # external watchdog should not bark
		3924
		3925	info "emergency_perl_save: begin map save\n";
3322	for my $path (keys %cf::MAP) {	3926	for my $path (keys %cf::MAP) {
3323	my $map = $cf::MAP{$path} or next;	3927	my $map = $cf::MAP{$path} or next;
3324	$map->valid or next;	3928	$map->valid or next;
3325	$map->save;	3929	$map->save;
3326	}	3930	}
3327	warn "end emergency map save\n";	3931	info "emergency_perl_save: end map save\n";
3328		3932
3329	warn "begin emergency database checkpoint\n";	3933	cf::write_runtime_sync; # external watchdog should not bark
		3934
		3935	info "emergency_perl_save: begin database checkpoint\n";
3330	BDB::db_env_txn_checkpoint $DB_ENV;	3936	BDB::db_env_txn_checkpoint $DB_ENV;
3331	warn "end emergency database checkpoint\n";	3937	info "emergency_perl_save: end database checkpoint\n";
		3938
		3939	info "emergency_perl_save: begin write uuid\n";
		3940	write_uuid_sync 1;
		3941	info "emergency_perl_save: end write uuid\n";
		3942
		3943	cf::write_runtime_sync; # external watchdog should not bark
		3944
		3945	trace "emergency_perl_save: syncing database to disk";
		3946	BDB::db_env_txn_checkpoint $DB_ENV;
		3947
		3948	info "emergency_perl_save: starting sync\n";
		3949	IO::AIO::aio_sync sub {
		3950	info "emergency_perl_save: finished sync\n";
		3951	};
		3952
		3953	cf::write_runtime_sync; # external watchdog should not bark
		3954
		3955	trace "emergency_perl_save: flushing outstanding aio requests";
		3956	while (IO::AIO::nreqs || BDB::nreqs) {
		3957	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3958	}
		3959
		3960	cf::write_runtime_sync; # external watchdog should not bark
3332	};	3961	};
3333		3962
3334	warn "leave emergency perl save\n";	3963	info "emergency_perl_save: leave\n";
3335	}	3964	}
3336		3965
3337	sub post_cleanup {	3966	sub post_cleanup {
3338	my ($make_core) = @_;	3967	my ($make_core) = @_;
3339		3968
		3969	IO::AIO::flush;
		3970
3340	warn Carp::longmess "post_cleanup backtrace"	3971	error Carp::longmess "post_cleanup backtrace"
3341	if $make_core;	3972	if $make_core;
		3973
		3974	my $fh = pidfile;
		3975	unlink $PIDFILE if <$fh> == $$;
		3976	}
		3977
		3978	# a safer delete_package, copied from Symbol
		3979	sub clear_package($) {
		3980	my $pkg = shift;
		3981
		3982	# expand to full symbol table name if needed
		3983	unless ($pkg =~ /^main::.*::$/) {
		3984	$pkg = "main$pkg" if $pkg =~ /^::/;
		3985	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3986	$pkg .= '::' unless $pkg =~ /::$/;
		3987	}
		3988
		3989	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3990	my $stem_symtab = *{$stem}{HASH};
		3991
		3992	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3993	or return;
		3994
		3995	# clear all symbols
		3996	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3997	for my $name (keys %$leaf_symtab) {
		3998	_gv_clear *{"$pkg$name"};
		3999	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4000	}
3342	}	4001	}
3343		4002
3344	sub do_reload_perl() {	4003	sub do_reload_perl() {
3345	# can/must only be called in main	4004	# can/must only be called in main
3346	if ($Coro::current != $Coro::main) {	4005	unless (in_main) {
3347	warn "can only reload from main coroutine";	4006	error "can only reload from main coroutine";
3348	return;	4007	return;
3349	}	4008	}
3350		4009
3351	warn "reloading...";	4010	return if $RELOAD++;
3352		4011
3353	warn "entering sync_job";	4012	my $t1 = AE::time;
3354		4013
		4014	while ($RELOAD) {
		4015	cf::get_slot 0.1, -1, "reload_perl";
		4016	info "perl_reload: reloading...";
		4017
		4018	trace "perl_reload: entering sync_job";
		4019
3355	cf::sync_job {	4020	cf::sync_job {
3356	cf::write_runtime; # external watchdog should not bark
3357	cf::emergency_save;	4021	#cf::emergency_save;
3358	cf::write_runtime; # external watchdog should not bark
3359		4022
3360	warn "syncing database to disk";
3361	BDB::db_env_txn_checkpoint $DB_ENV;
3362
3363	# if anything goes wrong in here, we should simply crash as we already saved
3364
3365	warn "cancelling all WF_AUTOCANCEL watchers";
3366	for (Event::all_watchers) {
3367	$_->cancel if $_->data & WF_AUTOCANCEL;
3368	}
3369
3370	warn "flushing outstanding aio requests";
3371	for (;;) {
3372	BDB::flush;
3373	IO::AIO::flush;
3374	Coro::cede;
3375	last unless IO::AIO::nreqs || BDB::nreqs;
3376	warn "iterate...";
3377	}
3378
3379	++$RELOAD;
3380
3381	warn "cancelling all extension coros";	4023	trace "perl_reload: cancelling all extension coros";
3382	$_->cancel for values %EXT_CORO;	4024	$_->cancel for values %EXT_CORO;
3383	%EXT_CORO = ();	4025	%EXT_CORO = ();
3384		4026
3385	warn "removing commands";	4027	trace "perl_reload: removing commands";
3386	%COMMAND = ();	4028	%COMMAND = ();
3387		4029
3388	warn "removing ext/exti commands";	4030	trace "perl_reload: removing ext/exti commands";
3389	%EXTCMD = ();	4031	%EXTCMD = ();
3390	%EXTICMD = ();	4032	%EXTICMD = ();
3391		4033
3392	warn "unloading/nuking all extensions";	4034	trace "perl_reload: unloading/nuking all extensions";
3393	for my $pkg (@EXTS) {	4035	for my $pkg (@EXTS) {
3394	warn "... unloading $pkg";	4036	trace "... unloading $pkg";
3395		4037
3396	if (my $cb = $pkg->can ("unload")) {	4038	if (my $cb = $pkg->can ("unload")) {
3397	eval {	4039	eval {
3398	$cb->($pkg);	4040	$cb->($pkg);
3399	1	4041	1
3400	} or warn "$pkg unloaded, but with errors: $@";	4042	} or error "$pkg unloaded, but with errors: $@";
		4043	}
		4044
		4045	trace "... clearing $pkg";
		4046	clear_package $pkg;
3401	}	4047	}
3402		4048
3403	warn "... nuking $pkg";
3404	Symbol::delete_package $pkg;
3405	}
3406
3407	warn "unloading all perl modules loaded from $LIBDIR";	4049	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3408	while (my ($k, $v) = each %INC) {	4050	while (my ($k, $v) = each %INC) {
3409	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3410		4052
3411	warn "... unloading $k";	4053	trace "... unloading $k";
3412	delete $INC{$k};	4054	delete $INC{$k};
3413		4055
3414	$k =~ s/\.pm$//;	4056	$k =~ s/\.pm$//;
3415	$k =~ s/\//::/g;	4057	$k =~ s/\//::/g;
3416		4058
3417	if (my $cb = $k->can ("unload_module")) {	4059	if (my $cb = $k->can ("unload_module")) {
3418	$cb->();	4060	$cb->();
		4061	}
		4062
		4063	clear_package $k;
3419	}	4064	}
3420		4065
3421	Symbol::delete_package $k;
3422	}
3423
3424	warn "getting rid of safe::, as good as possible";	4066	trace "perl_reload: getting rid of safe::, as good as possible";
3425	Symbol::delete_package "safe::$_"	4067	clear_package "safe::$_"
3426	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4068	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3427		4069
3428	warn "unloading cf.pm \"a bit\"";	4070	trace "perl_reload: unloading cf.pm \"a bit\"";
3429	delete $INC{"cf.pm"};	4071	delete $INC{"cf.pm"};
3430	delete $INC{"cf/pod.pm"};	4072	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3431		4073
3432	# don't, removes xs symbols, too,	4074	# don't, removes xs symbols, too,
3433	# and global variables created in xs	4075	# and global variables created in xs
3434	#Symbol::delete_package __PACKAGE__;	4076	#clear_package __PACKAGE__;
3435		4077
3436	warn "unload completed, starting to reload now";	4078	info "perl_reload: unload completed, starting to reload now";
3437		4079
3438	warn "reloading cf.pm";	4080	trace "perl_reload: reloading cf.pm";
3439	require cf;	4081	require cf;
3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4082	cf::_connect_to_perl_1;
3441		4083
3442	warn "loading config and database again";	4084	trace "perl_reload: loading config and database again";
3443	cf::reload_config;	4085	cf::reload_config;
3444		4086
3445	warn "loading extensions";	4087	trace "perl_reload: loading extensions";
3446	cf::load_extensions;	4088	cf::load_extensions;
3447		4089
		4090	if ($REATTACH_ON_RELOAD) {
3448	warn "reattaching attachments to objects/players";	4091	trace "perl_reload: reattaching attachments to objects/players";
3449	_global_reattach; # objects, sockets	4092	_global_reattach; # objects, sockets
3450	warn "reattaching attachments to maps";	4093	trace "perl_reload: reattaching attachments to maps";
3451	reattach $_ for values %MAP;	4094	reattach $_ for values %MAP;
3452	warn "reattaching attachments to players";	4095	trace "perl_reload: reattaching attachments to players";
3453	reattach $_ for values %PLAYER;	4096	reattach $_ for values %PLAYER;
		4097	}
3454		4098
3455	warn "leaving sync_job";	4099	cf::_post_init 1;
3456		4100
		4101	trace "perl_reload: leaving sync_job";
		4102
3457	1	4103	1
3458	} or do {	4104	} or do {
3459	warn $@;	4105	error $@;
3460	warn "error while reloading, exiting.";	4106	cf::cleanup "perl_reload: error, exiting.";
3461	exit 1;	4107	};
		4108
		4109	--$RELOAD;
3462	};	4110	}
3463		4111
3464	warn "reloaded";	4112	$t1 = AE::time - $t1;
		4113	info "perl_reload: completed in ${t1}s\n";
3465	};	4114	};
3466		4115
3467	our $RELOAD_WATCHER; # used only during reload	4116	our $RELOAD_WATCHER; # used only during reload
3468		4117
3469	sub reload_perl() {	4118	sub reload_perl() {
3470	# doing reload synchronously and two reloads happen back-to-back,	4119	# doing reload synchronously and two reloads happen back-to-back,
3471	# coro crashes during coro_state_free->destroy here.	4120	# coro crashes during coro_state_free->destroy here.
3472		4121
3473	$RELOAD_WATCHER ||= Event->timer (	4122	$RELOAD_WATCHER ||= cf::async {
3474	reentrant => 0,	4123	Coro::AIO::aio_wait cache_extensions;
3475	after => 0,	4124
3476	data => WF_AUTOCANCEL,	4125	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3477	cb => sub {
3478	do_reload_perl;	4126	do_reload_perl;
3479	undef $RELOAD_WATCHER;	4127	undef $RELOAD_WATCHER;
3480	},	4128	};
3481	);	4129	};
3482	}	4130	}
3483		4131
3484	register_command "reload" => sub {	4132	register_command "reload" => sub {
3485	my ($who, $arg) = @_;	4133	my ($who, $arg) = @_;
3486		4134
…		…
3491	reload_perl;	4139	reload_perl;
3492	};	4140	};
3493	}	4141	}
3494	};	4142	};
3495		4143
3496	unshift @INC, $LIBDIR;	4144	#############################################################################
3497		4145
3498	my $bug_warning = 0;	4146	my $bug_warning = 0;
3499		4147
3500	our @WAIT_FOR_TICK;
3501	our @WAIT_FOR_TICK_BEGIN;
3502
3503	sub wait_for_tick {	4148	sub wait_for_tick() {
3504	return unless $TICK_WATCHER->is_active;	4149	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3505	return if $Coro::current == $Coro::main;
3506		4150
3507	my $signal = new Coro::Signal;	4151	$WAIT_FOR_TICK->wait;
3508	push @WAIT_FOR_TICK, $signal;
3509	$signal->wait;
3510	}	4152	}
3511		4153
3512	sub wait_for_tick_begin {	4154	sub wait_for_tick_begin() {
3513	return unless $TICK_WATCHER->is_active;	4155	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3514	return if $Coro::current == $Coro::main;
3515		4156
3516	my $signal = new Coro::Signal;	4157	my $signal = new Coro::Signal;
3517	push @WAIT_FOR_TICK_BEGIN, $signal;	4158	push @WAIT_FOR_TICK_BEGIN, $signal;
3518	$signal->wait;	4159	$signal->wait;
3519	}	4160	}
3520		4161
3521	$TICK_WATCHER = Event->timer (	4162	sub tick {
3522	reentrant => 0,
3523	parked => 1,
3524	prio => 0,
3525	at => $NEXT_TICK || $TICK,
3526	data => WF_AUTOCANCEL,
3527	cb => sub {
3528	if ($Coro::current != $Coro::main) {	4163	if ($Coro::current != $Coro::main) {
3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4164	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3530	unless ++$bug_warning > 10;	4165	unless ++$bug_warning > 10;
3531	return;	4166	return;
3532	}	4167	}
3533		4168
3534	$NOW = $tick_start = Event::time;	4169	cf::one_tick; # one server iteration
3535		4170
3536	cf::server_tick; # one server iteration	4171	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3537		4172
3538	$RUNTIME += $TICK;
3539	$NEXT_TICK += $TICK;
3540
3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4173	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3542	$NEXT_RUNTIME_WRITE = $NOW + 10;	4174	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3543	Coro::async_pool {	4175	Coro::async_pool {
3544	$Coro::current->{desc} = "runtime saver";	4176	$Coro::current->{desc} = "runtime saver";
3545	write_runtime	4177	write_runtime_sync
3546	or warn "ERROR: unable to write runtime file: $!";	4178	or error "ERROR: unable to write runtime file: $!";
3547	};
3548	}	4179	};
		4180	}
3549		4181
3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4182	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3551	$sig->send;	4183	$sig->send;
3552	}	4184	}
3553	while (my $sig = shift @WAIT_FOR_TICK) {	4185	$WAIT_FOR_TICK->broadcast;
3554	$sig->send;
3555	}
3556		4186
3557	$NOW = Event::time;	4187	$LOAD = ($NOW - $TICK_START) / $TICK;
3558
3559	# if we are delayed by four ticks or more, skip them all
3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3561
3562	$TICK_WATCHER->at ($NEXT_TICK);
3563	$TICK_WATCHER->start;
3564
3565	$LOAD = ($NOW - $tick_start) / $TICK;
3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4188	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3567		4189
3568	_post_tick;	4190	if (0) {
		4191	if ($NEXT_TICK) {
		4192	my $jitter = $TICK_START - $NEXT_TICK;
		4193	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4194	debug "jitter $JITTER\n";#d#
		4195	}
3569	},	4196	}
3570	);	4197	}
3571		4198
3572	{	4199	{
		4200	# configure BDB
		4201
3573	BDB::min_parallel 8;	4202	BDB::min_parallel 16;
3574	BDB::max_poll_time $TICK * 0.1;	4203	BDB::max_poll_reqs $TICK * 0.1;
3575	$BDB_POLL_WATCHER = Event->io (	4204	#$AnyEvent::BDB::WATCHER->priority (1);
3576	reentrant => 0,
3577	fd => BDB::poll_fileno,
3578	poll => 'r',
3579	prio => 0,
3580	data => WF_AUTOCANCEL,
3581	cb => \&BDB::poll_cb,
3582	);
3583
3584	BDB::set_sync_prepare {
3585	my $status;
3586	my $current = $Coro::current;
3587	(
3588	sub {
3589	$status = $!;
3590	$current->ready; undef $current;
3591	},
3592	sub {
3593	Coro::schedule while defined $current;
3594	$! = $status;
3595	},
3596	)
3597	};
3598		4205
3599	unless ($DB_ENV) {	4206	unless ($DB_ENV) {
3600	$DB_ENV = BDB::db_env_create;	4207	$DB_ENV = BDB::db_env_create;
3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4208	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3602	| BDB::LOG_AUTOREMOVE, 1);	4209	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4210	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4211	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4212	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3605		4213
3606	cf::sync_job {	4214	cf::sync_job {
3607	eval {	4215	eval {
…		…
3617		4225
3618	cf::cleanup "db_env_open(db): $@" if $@;	4226	cf::cleanup "db_env_open(db): $@" if $@;
3619	};	4227	};
3620	}	4228	}
3621		4229
3622	$BDB_DEADLOCK_WATCHER = Event->timer (	4230	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3623	after => 3,
3624	interval => 1,
3625	hard => 1,
3626	prio => 0,
3627	data => WF_AUTOCANCEL,
3628	cb => sub {
3629	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4231	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3630	},
3631	);	4232	};
3632	$BDB_CHECKPOINT_WATCHER = Event->timer (	4233	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3633	after => 11,
3634	interval => 60,
3635	hard => 1,
3636	prio => 0,
3637	data => WF_AUTOCANCEL,
3638	cb => sub {
3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4234	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3640	},
3641	);	4235	};
3642	$BDB_TRICKLE_WATCHER = Event->timer (	4236	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3643	after => 5,
3644	interval => 10,
3645	hard => 1,
3646	prio => 0,
3647	data => WF_AUTOCANCEL,
3648	cb => sub {
3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4237	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3650	},
3651	);	4238	};
3652	}	4239	}
3653		4240
3654	{	4241	{
		4242	# configure IO::AIO
		4243
3655	IO::AIO::min_parallel 8;	4244	IO::AIO::min_parallel 8;
3656
3657	undef $Coro::AIO::WATCHER;
3658	IO::AIO::max_poll_time $TICK * 0.1;	4245	IO::AIO::max_poll_time $TICK * 0.1;
3659	$AIO_POLL_WATCHER = Event->io (	4246	undef $AnyEvent::AIO::WATCHER;
3660	reentrant => 0,
3661	data => WF_AUTOCANCEL,
3662	fd => IO::AIO::poll_fileno,
3663	poll => 'r',
3664	prio => 0,
3665	cb => \&IO::AIO::poll_cb,
3666	);
3667	}	4247	}
3668		4248
3669	my $_log_backtrace;	4249	our $_log_backtrace;
		4250	our $_log_backtrace_last;
3670		4251
3671	sub _log_backtrace {	4252	sub _log_backtrace {
3672	my ($msg, @addr) = @_;	4253	my ($msg, @addr) = @_;
3673		4254
3674	$msg =~ s/\n//;	4255	$msg =~ s/\n$//;
3675		4256
		4257	if ($_log_backtrace_last eq $msg) {
		4258	LOG llevInfo, "[ABT] $msg\n";
		4259	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3676	# limit the # of concurrent backtraces	4260	# limit the # of concurrent backtraces
3677	if ($_log_backtrace < 2) {	4261	} elsif ($_log_backtrace < 2) {
		4262	$_log_backtrace_last = $msg;
3678	++$_log_backtrace;	4263	++$_log_backtrace;
		4264	my $perl_bt = Carp::longmess $msg;
3679	async {	4265	async {
3680	$Coro::current->{desc} = "abt $msg";	4266	$Coro::current->{desc} = "abt $msg";
3681		4267
3682	my @bt = fork_call {	4268	my @bt = fork_call {
3683	@addr = map { sprintf "%x", $_ } @addr;	4269	@addr = map { sprintf "%x", $_ } @addr;
…		…
3694	}	4280	}
3695		4281
3696	@funcs	4282	@funcs
3697	};	4283	};
3698		4284
3699	LOG llevInfo, "[ABT] $msg\n";	4285	LOG llevInfo, "[ABT] $perl_bt\n";
		4286	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3700	LOG llevInfo, "[ABT] $_\n" for @bt;	4287	LOG llevInfo, "[ABT] $_\n" for @bt;
3701	--$_log_backtrace;	4288	--$_log_backtrace;
3702	};	4289	};
3703	} else {	4290	} else {
3704	LOG llevInfo, "[ABT] $msg\n";	4291	LOG llevInfo, "[ABT] $msg\n";
3705	LOG llevInfo, "[ABT] [suppressed]\n";	4292	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3706	}	4293	}
3707	}	4294	}
3708		4295
3709	# load additional modules	4296	# load additional modules
3710	use cf::pod;	4297	require "cf/$_.pm" for @EXTRA_MODULES;
		4298	cf::_connect_to_perl_2;
3711		4299
3712	END { cf::emergency_save }	4300	END { cf::emergency_save }
3713		4301
3714	1	4302	1
3715		4303

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