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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 1.587 by root, Wed Oct 31 19:09:47 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 AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 4.1 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
24	use Coro::Util ();	54	use Coro::Util ();
25		55
		56	use Guard ();
26	use JSON::XS ();	57	use JSON::XS 2.01 ();
27	use BDB ();	58	use BDB ();
28	use Data::Dumper;	59	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	60	use Fcntl;
31	use YAML::Syck ();	61	use YAML::XS ();
32	use IO::AIO 2.51 ();	62	use IO::AIO ();
33	use Time::HiRes;	63	use Time::HiRes;
34	use Compress::LZF;	64	use Compress::LZF;
35	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
36		68
37	# configure various modules to our taste	69	# configure various modules to our taste
38	#	70	#
39	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		79
43	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
44		81	$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		82
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
51		86
52	our %COMMAND = ();	87	our %COMMAND = ();
53	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
54		89
55	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	91	our %EXTCMD = ();
57	our %EXTICMD = ();	92	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
60		95
61	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
63		100
64	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
65	our $DATADIR = datadir;	103	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
69	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
		114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
75		124
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	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	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	127	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	128	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		129
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	130	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	131	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	132	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	133	our $DB_ENV;
89		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
90	our %CFG;	137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
91		139
92	our $UPTIME; $UPTIME ||= time;	140	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
		143	our $NOW;
94		144
95	our (%PLAYER, %PLAYER_LOADING); # all users	145	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	146	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
98		148
99	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		151
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
105		164
106	binmode STDOUT;	165	binmode STDOUT;
107	binmode STDERR;	166	binmode STDERR;
108		167
109	# read virtual server time, if available	168	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
114	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
115		176
116	mkdir $_	177	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		179
119	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
120		181
121	sub cf::map::normalise;	182	sub cf::map::normalise;
122		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
123	#############################################################################	188	#############################################################################
124		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
125	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
126		202
127	=over 4	203	=over 4
128		204
129	=item $cf::UPTIME	205	=item $cf::UPTIME
130		206
131	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
132		223
133	=item $cf::RUNTIME	224	=item $cf::RUNTIME
134		225
135	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
136	every server tick.	227	every server tick.
…		…
142	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
145	database environment.	236	database environment.
146		237
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	238	=item $cf::LOADAVG
156		239
157	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
162		245
163	The raw value load value from the last tick.	246	The raw value load value from the last tick.
164		247
165	=item %cf::CFG	248	=item %cf::CFG
166		249
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	251	from wherever your confdir points to.
169		252
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		254
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
176	=item @cf::INVOKE_RESULTS	276	=item @cf::INVOKE_RESULTS
177		277
178	This array contains the results of the last C<invoke ()> call. When	278	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	280	that call.
181		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
182	=back	288	=back
183		289
184	=cut	290	=cut
185		291
186	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	299	my $msg = join "", @_;
189		300
190	$msg .= "\n"	301	$msg .= "\n"
191	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
192		303
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		305
195	LOG llevError, $msg;	306	LOG llevWarn, $msg;
196	};	307	};
197	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
198		322
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	333	for my $pkg (qw(
210	cf::global cf::attachable	334	cf::global cf::attachable
211	cf::object cf::object::player	335	cf::object cf::object::player
212	cf::client cf::player	336	cf::client cf::player
213	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
214	cf::map cf::party cf::region	339	cf::party cf::region
215	)) {	340	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	342	}
219		343
220	$Event::DIED = sub {	344	$EV::DIED = sub {
221	warn "error in event callback: @_";	345	warn "error in event callback: $@";
222	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
223		352
224	#############################################################################	353	#############################################################################
225		354
226	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
227		356
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	378	$d
250	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
251	}	380	}
252		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
253	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
254		435
255	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
256		437
257	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
258		439
259	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
260		441
261	=cut	442	=cut
262		443
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		445
265	sub to_json ($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
267		510
268	=item cf::lock_wait $string	511	=item cf::lock_wait $string
269		512
270	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
271		514
272	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
273		516
274	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
277	returned.	520	returned.
278		521
279	Locks are *not* recursive, locking from the same coro twice results in a	522	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	523	deadlocked coro.
…		…
286		529
287	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
288		531
289	=cut	532	=cut
290		533
291	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		535
294	sub lock_wait($) {	536	sub lock_wait($) {
295	my ($key) = @_;	537	$LOCKS->wait ($_[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} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	538	}
308		539
309	sub lock_acquire($) {	540	sub lock_acquire($) {
310	my ($key) = @_;	541	$LOCKS->guard ($_[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	}	542	}
324		543
325	sub lock_active($) {	544	sub lock_active($) {
326	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	546	}
330		547
331	sub freeze_mainloop {	548	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
333		550
334	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	552	}
336	};	553
337	$TICK_WATCHER->stop;	554	=item cf::periodic $interval, $cb
338	$guard	555
		556	Like EV::periodic, but randomly selects a starting point so that the actions
		557	get spread over time.
		558
		559	=cut
		560
		561	sub periodic($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
339	}	567	}
340		568
341	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
342		570
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	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	572	(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.	573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
346		578
347	The optional C<$name> can be used to identify the job to run. It might be	579	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	580	used for statistical purposes and should identify the same time-class.
349		581
350	Useful for short background jobs.	582	Useful for short background jobs.
351		583
352	=cut	584	=cut
353		585
354	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
356		589
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	592	$Coro::current->desc ("timeslot manager");
360		593
361	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
362		596
363	while () {	597	while () {
364	next_job:	598	next_job:
		599
365	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	601
367	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	606	$job->[2]->send;
371	Coro::cede;	607	Coro::cede;
372	goto next_job;	608	goto next_job;
373	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	611	}
375	}	612	}
376		613
377	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
380	$signal->wait;
381	} else {	617	} else {
		618	$busy = 0;
382	Coro::schedule;	619	Coro::schedule;
383	}	620	}
384	}	621	}
385	};	622	};
386		623
387	sub get_slot($;$$) {	624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
388	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
389		628
390	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
391	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
392		632
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
406		646
407	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
408		648
409	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
410		650
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	651	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	652	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	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	654	acceptable.
415		655
416	If it must be done, put the blocking parts into C<sync_job>. This will run	656	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	657	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	661	=cut
422		662
423	sub sync_job(&) {	663	sub sync_job(&) {
424	my ($job) = @_;	664	my ($job) = @_;
425		665
426	if ($Coro::current == $Coro::main) {	666	if (in_main) {
427	my $time = Event::time;	667	my $time = AE::time;
428		668
429	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
431		671
432	LOG llevError, Carp::longmess "sync job";#d#	672	#LOG llevError, Carp::longmess "sync job";#d#
433		673
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
437		675
438	my $busy = 1;	676	my $busy = 1;
439	my @res;	677	my @res;
440		678
441	(async {	679	(async {
442	$Coro::current->desc ("sync job coro");	680	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	681	@res = eval { $job->() };
444	warn $@ if $@;	682	error $@ if $@;
445	undef $busy;	683	undef $busy;
446	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
447		685
448	while ($busy) {	686	while ($busy) {
449	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
450	}	691	}
		692	}
451		693
452	$time = Event::time - $time;	694	my $time = AE::time - $time;
453		695
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	696	$TICK_START += $time; # do not account sync jobs to server load
458		697
459	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
460	} else {	699	} else {
461	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
462		701
…		…
482	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
483		722
484	$coro	723	$coro
485	}	724	}
486		725
487	=item fork_call { }, $args	726	=item fork_call { }, @args
488		727
489	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
490	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
491	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
492	never block itself or use any form of Event handling.	731	never block itself or use any form of event handling.
493		732
494	=cut	733	=cut
		734
		735	sub post_fork {
		736	reset_signals;
		737	}
495		738
496	sub fork_call(&@) {	739	sub fork_call(&@) {
497	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
498		741
499	# we seemingly have to make a local copy of the whole thing,	742	# we seemingly have to make a local copy of the whole thing,
500	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
501	# TODO: investigate and fix (likely this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
502		745
503	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
504	reset_signals;	747	cf::post_fork;
505	&$cb	748	&$cb
506	}, @args;	749	} @args;
507		750
508	wantarray ? @res : $res[-1]	751	wantarray ? @res : $res[-1]
		752	}
		753
		754	sub objinfo {
		755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
509	}	790	}
510		791
511	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
512		793
513	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
523	within each server.	804	within each server.
524		805
525	=cut	806	=cut
526		807
527	sub db_table($) {	808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
528	my ($name) = @_;	812	my ($name) = @_;
529	my $db = BDB::db_create $DB_ENV;	813	my $db = BDB::db_create $DB_ENV;
530		814
531	eval {	815	eval {
532	$db->set_flags (BDB::CHKSUM);	816	$db->set_flags (BDB::CHKSUM);
…		…
542	}	826	}
543		827
544	our $DB;	828	our $DB;
545		829
546	sub db_init {	830	sub db_init {
547	cf::sync_job {
548	$DB ||= db_table "db";	831	$DB ||= db_table "db";
549	};
550	}	832	}
551		833
552	sub db_get($$) {	834	sub db_get($$) {
553	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
554		836
555	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
556	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
557		841
558	$! ? ()	842	$! ? ()
559	: $data	843	: $data
560	}
561	}	844	}
562		845
563	sub db_put($$$) {	846	sub db_put($$$) {
564	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
593		876
594	my @data;	877	my @data;
595	my $md5;	878	my $md5;
596		879
597	for (0 .. $#$src) {	880	for (0 .. $#$src) {
598	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
599	or Carp::croak "$src->[$_]: $!";
600	}	882	}
601		883
602	# if processing is expensive, check	884	# if processing is expensive, check
603	# checksum first	885	# checksum first
604	if (1) {	886	if (1) {
…		…
621		903
622	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
623	my $data = $process->(\@data);	905	my $data = $process->(\@data);
624	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
625		907
626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
627		909
628	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
629	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
630	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
631		913
…		…
641		923
642	=cut	924	=cut
643		925
644	sub datalog($@) {	926	sub datalog($@) {
645	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
647	}	929	}
648		930
649	=back	931	=back
650		932
651	=cut	933	=cut
652		934
653	#############################################################################	935	#############################################################################
654		936
655	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
656		938
657	Many objects in crossfire are so-called attachable objects. That means you can	939	Many objects in deliantra are so-called attachable objects. That means you can
658	attach callbacks/event handlers (a collection of which is called an "attachment")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
659	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
660		942
661	In the following description, CLASS can be any of C<global>, C<object>	943	In the following description, CLASS can be any of C<global>, C<object>
662	C<player>, C<client> or C<map> (i.e. the attachable objects in	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
663	Crossfire TRT).	945	Deliantra).
664		946
665	=over 4	947	=over 4
666		948
667	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
668		950
…		…
712	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
713		995
714	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
715	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
716		998
717	Some classes such as crossfire maps and objects can specify attachments	999	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.	1000	that are attached at load/instantiate time, thus the need for a name.
719		1001
720	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
721		1003
722	=over 4	1004	=over 4
…		…
846		1128
847	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
848	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
849		1131
850	} elsif (ref $type) {	1132	} elsif (ref $type) {
851	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
852		1134
853	} else {	1135	} else {
854	shift @arg;	1136	shift @arg;
855	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
856	}	1138	}
857	}	1139	}
858	}	1140	}
859		1141
860	sub _object_attach {	1142	sub _object_attach {
…		…
870	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
871	}	1153	}
872		1154
873	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
874	} else {	1156	} else {
875	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
876	}	1158	}
877		1159
878	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
879	}	1161	}
880		1162
…		…
939		1221
940	for (@$callbacks) {	1222	for (@$callbacks) {
941	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
942		1224
943	if ($@) {	1225	if ($@) {
944	warn "$@";
945	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
946	override;	1227	override;
947	}	1228	}
948		1229
949	return 1 if $override;	1230	return 1 if $override;
950	}	1231	}
951		1232
952	0	1233	0
953	}	1234	}
954		1235
955	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
956		1237
957	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
958		1239
959	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
960		1241
…		…
1013		1294
1014	sub reattach {	1295	sub reattach {
1015	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
1016	my ($obj) = @_;	1297	my ($obj) = @_;
1017		1298
		1299	# no longer needed after getting rid of delete_package?
1018	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1019		1301
1020	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
1021		1303
1022	@$registry = ();	1304	@$registry = ();
1023		1305
…		…
1028	for (@$attach) {	1310	for (@$attach) {
1029	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
1030	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
1031	}	1313	}
1032	} else {	1314	} else {
1033	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
1034	}	1316	}
1035	}	1317	}
1036	}	1318	}
1037		1319
1038	cf::attachable->attach (	1320	cf::attachable->attach (
1039	prio => -1000000,	1321	prio => -1000000,
1040	on_instantiate => sub {	1322	on_instantiate => sub {
1041	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
1042		1324
1043	$data = from_json $data;	1325	$data = decode_json $data;
1044		1326
1045	for (@$data) {	1327	for (@$data) {
1046	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
1047		1329
1048	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
1065	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1066		1348
1067	sync_job {	1349	sync_job {
1068	if (length $$rdata) {	1350	if (length $$rdata) {
1069	utf8::decode (my $decname = $filename);	1351	utf8::decode (my $decname = $filename);
1070	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1071	$decname, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1072		1355
1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1074	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1076	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1361	aio_fsync $fh;
		1362	}
1077	close $fh;	1363	aio_close $fh;
1078		1364
1079	if (@$objs) {	1365	if (@$objs) {
1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1081	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1083	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1084	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1372	aio_fsync $fh;
		1373	}
1085	close $fh;	1374	aio_close $fh;
1086	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1087	}	1376	}
1088	} else {	1377	} else {
1089	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1090	}	1379	}
1091		1380
1092	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1093	} else {	1385	} else {
1094	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1095	}	1387	}
1096	} else {	1388	} else {
1097	aio_unlink $filename;	1389	aio_unlink $filename;
1098	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1099	}	1391	}
…		…
1118		1410
1119	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
1120	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
1121	or return;	1413	or return;
1122		1414
1123	my $st = eval { Coro::Storable::thaw $av }	1415	my $st = eval { Coro::Storable::thaw $av };
1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1125	$av = $st->{objs};	1416	$av = $st->{objs};
1126	}	1417	}
1127		1418
1128	utf8::decode (my $decname = $filename);	1419	utf8::decode (my $decname = $filename);
1129	warn sprintf "loading %s (%d,%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1130	$decname, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
1131		1423
1132	($data, $av)	1424	($data, $av)
1133	}	1425	}
1134		1426
1135	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
…		…
1191	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1192		1484
1193	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1194	}	1486	}
1195		1487
		1488	use File::Glob ();
		1489
1196	cf::player->attach (	1490	cf::player->attach (
1197	on_command => sub {	1491	on_unknown_command => sub {
1198	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1199		1493
1200	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1201	or return;	1495	or return;
1202		1496
…		…
1210	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1211		1505
1212	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1213		1507
1214	if (ref $msg) {	1508	if (ref $msg) {
1215	my ($type, $reply, @payload) =	1509	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		1510
1220	my @reply;	1511	my @reply;
1221		1512
1222	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1223	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
…		…
1225		1516
1226	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_reply ($reply, @reply)
1227	if $reply;	1518	if $reply;
1228		1519
1229	} else {	1520	} else {
1230	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1231	}	1522	}
1232		1523
1233	cf::override;	1524	cf::override;
1234	},	1525	},
1235	);	1526	);
1236		1527
		1528	# "readahead" all extensions
		1529	sub cache_extensions {
		1530	my $grp = IO::AIO::aio_group;
		1531
		1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1533	for (grep /\.ext$/, @{$_[0]}) {
		1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1535	}
		1536	};
		1537
		1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1550	}
		1551
1237	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1238	cf::sync_job {	1557	cf::sync_job {
1239	my %todo;	1558	my %todo;
1240		1559
1241	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1242	next unless -r $path;	1561	next unless -r $path;
…		…
1260		1579
1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1263		1582
1264	$ext{source} =	1583	$ext{source} =
1265	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1266	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1267	. $source	1586	. $source
1268	. "\n};\n1";	1587	. "\n};\n1";
1269		1588
1270	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1271	}	1590	}
1272		1591
		1592	my $pass = 0;
1273	my %done;	1593	my %done;
1274	while (%todo) {	1594	while (%todo) {
1275	my $progress;	1595	my $progress;
1276		1596
		1597	++$pass;
		1598
		1599	ext:
1277	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1278	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1279	goto skip	1602	next ext
1280	unless exists $done{$_};	1603	unless exists $done{$_};
1281	}	1604	}
1282		1605
1283	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1284		1607
1285	unless (eval $v->{source}) {	1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
1286	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1287	: "$v->{base}: extension inactive.\n";
1288		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1289	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1290	warn $msg;	1624
1291	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1292	exit 1;	1626	delete $todo{$k};
1293	}	1627	} else {
1294		1628	$done{$k} = delete $todo{$k};
1295	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1296	}	1634	}
1297
1298	$done{$k} = delete $todo{$k};
1299	push @EXTS, $v->{pkg};
1300	$progress = 1;
1301	}	1635	}
1302		1636
1303	skip:	1637	unless ($progress) {
1304	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1305	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1306	}	1647	}
1307	};	1648	};
1308	}	1649	}
1309		1650
1310	#############################################################################	1651	#############################################################################
1311		1652
1312	=back	1653	=back
1313		1654
1314	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1315		1656
1316	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1317		1658
1318	=cut	1659	=cut
1319		1660
1320	package cf::player;	1661	package cf::player;
1321		1662
…		…
1364		1705
1365	sub exists($) {	1706	sub exists($) {
1366	my ($login) = @_;	1707	my ($login) = @_;
1367		1708
1368	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1369	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1370	}	1711	}
1371		1712
1372	sub find($) {	1713	sub find($) {
1373	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1374	my $login = $_[0];	1715	my $login = $_[0];
…		…
1386	my $f = new_from_file cf::object::thawer path $login	1727	my $f = new_from_file cf::object::thawer path $login
1387	or return;	1728	or return;
1388		1729
1389	my $pl = cf::player::load_pl $f	1730	my $pl = cf::player::load_pl $f
1390	or return;	1731	or return;
		1732
1391	local $cf::PLAYER_LOADING{$login} = $pl;	1733	local $cf::PLAYER_LOADING{$login} = $pl;
1392	$f->resolve_delayed_derefs;	1734	$f->resolve_delayed_derefs;
1393	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1394	}	1736	}
1395	}	1737	}
1396	}	1738	}
1397		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
		1752
1398	sub save($) {	1753	sub save($) {
1399	my ($pl) = @_;	1754	my ($pl) = @_;
1400		1755
1401	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
1402		1757
…		…
1405		1760
1406	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1407		1762
1408	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1409	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
		1765
		1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1410		1770
1411	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1412	cf::cede_to_tick;	1772	cf::cede_to_tick;
1413	}	1773	}
1414		1774
…		…
1446	my ($pl) = @_;	1806	my ($pl) = @_;
1447		1807
1448	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1449		1809
1450	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1451	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1452		1812
1453	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1454	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1455	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1456	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1457		1821
1458	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1459	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1460	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1498		1862
1499	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
1500	my $path = path $login;	1864	my $path = path $login;
1501		1865
1502	# a .pst is a dead give-away for a valid player	1866	# a .pst is a dead give-away for a valid player
1503	unless (-e "$path.pst") {	1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1505	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1506	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
1507	}	1872	}
1508		1873
…		…
1512		1877
1513	\@logins	1878	\@logins
1514	}	1879	}
1515		1880
1516	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1517		1884
1518	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1519	player. May block.	1886	player. May block.
1520		1887
1521	=cut	1888	=cut
…		…
1539	}	1906	}
1540		1907
1541	\@paths	1908	\@paths
1542	}	1909	}
1543		1910
1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1545		1912
1546	Expand crossfire pod fragments into protocol xml.	1913	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		1914
1595	=item $player->ext_reply ($msgid, @msg)	1915	=item $player->ext_reply ($msgid, @msg)
1596		1916
1597	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1598		1918
…		…
1630		1950
1631	=cut	1951	=cut
1632		1952
1633	sub find_by_path($) {	1953	sub find_by_path($) {
1634	my ($path) = @_;	1954	my ($path) = @_;
		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
1635		1957
1636	my ($match, $specificity);	1958	my ($match, $specificity);
1637		1959
1638	for my $region (list) {	1960	for my $region (list) {
1639	if ($region->{match} && $path =~ $region->{match}) {	1961	if ($region->{match} && $path =~ $region->{match}) {
…		…
1665	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1666	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1667		1989
1668	sub generate_random_map {	1990	sub generate_random_map {
1669	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1670	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1671	$self->_create_random_map (	1995	$self->_create_random_map ($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}), $rmp->{custom}
1683	)
1684	}	1996	}
1685		1997
1686	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1687		1999
1688	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1693		2005
1694	sub register {	2006	sub register {
1695	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1696	my $pkg = caller;	2008	my $pkg = caller;
1697		2009
1698	no strict;
1699	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1700		2011
1701	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1702	}	2013	}
1703		2014
1704	# also paths starting with '/'	2015	# also paths starting with '/'
1705	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1706		2017
1707	sub thawer_merge {	2018	sub thawer_merge {
1708	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1709		2020
1710	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1715	}	2026	}
1716		2027
1717	sub normalise {	2028	sub normalise {
1718	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1719		2030
1720	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1721		2032
1722	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1723		2034
1724	# map plan:	2035	# map plan:
1725	#	2036	#
…		…
1740	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1741	$path = "$base/$path";	2052	$path = "$base/$path";
1742	}	2053	}
1743		2054
1744	for ($path) {	2055	for ($path) {
1745	redo if s{//}{/};
1746	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1747	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1748	}	2058	}
1749		2059
1750	$path	2060	$path
…		…
1764	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1765	return $self;	2075	return $self;
1766	}	2076	}
1767	}	2077	}
1768		2078
1769	Carp::cluck "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1770	()	2080	()
1771	}	2081	}
1772		2082
		2083	# may re-bless or do other evil things
1773	sub init {	2084	sub init {
1774	my ($self) = @_;	2085	my ($self) = @_;
1775		2086
1776	$self	2087	$self
1777	}	2088	}
…		…
1796		2107
1797	# the temporary/swap location	2108	# the temporary/swap location
1798	sub save_path {	2109	sub save_path {
1799	my ($self) = @_;	2110	my ($self) = @_;
1800		2111
1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1802	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1803	}	2114	}
1804		2115
1805	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1806	sub uniq_path {	2117	sub uniq_path {
1807	my ($self) = @_;	2118	my ($self) = @_;
1808		2119
1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1810	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$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 $_->outdoor, values %cf::MAP;
1820	}	2122	}
1821		2123
1822	sub decay_objects {	2124	sub decay_objects {
1823	my ($self) = @_;	2125	my ($self) = @_;
1824		2126
…		…
1851	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1852		2154
1853	1	2155	1
1854	}	2156	}
1855		2157
		2158	# used to laod the header of an original map
1856	sub load_header_orig {	2159	sub load_header_orig {
1857	my ($self) = @_;	2160	my ($self) = @_;
1858		2161
1859	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1860	}	2163	}
1861		2164
		2165	# used to laod the header of an instantiated map
1862	sub load_header_temp {	2166	sub load_header_temp {
1863	my ($self) = @_;	2167	my ($self) = @_;
1864		2168
1865	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1866	}	2170	}
1867		2171
		2172	# called after loading the header from an instantiated map
1868	sub prepare_temp {	2173	sub prepare_temp {
1869	my ($self) = @_;	2174	my ($self) = @_;
1870		2175
1871	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1872	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1873	# safety	2178	# safety
1874	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1875	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1876	}	2181	}
1877		2182
		2183	# called after loading the header from an original map
1878	sub prepare_orig {	2184	sub prepare_orig {
1879	my ($self) = @_;	2185	my ($self) = @_;
1880		2186
1881	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1882	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1906		2212
1907	sub find;	2213	sub find;
1908	sub find {	2214	sub find {
1909	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1910		2216
		2217	cf::cede_to_tick;
		2218
1911	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1912		2220
1913	cf::lock_wait "map_data:$path";#d#remove	2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1914	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1915		2223
1916	$cf::MAP{$path} || do {	2224	$cf::MAP{$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	2225	my $map = new_from_path cf::map $path
1921	or return;	2226	or return;
1922		2227
1923	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1924		2229
…		…
1926	or return;	2231	or return;
1927		2232
1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1929	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1930	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
1931	undef $guard1;	2237	undef $guard1;
1932	undef $guard2;
1933	$map->reset;	2238	$map->reset;
1934	return find $path;	2239	return find $path;
1935	}	2240	}
1936		2241
1937	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1938	}	2243	}
1939	}	2244	}
1940		2245
1941	sub pre_load { }	2246	sub pre_load { }
1942	sub post_load { }	2247	#sub post_load { } # XS
1943		2248
1944	sub load {	2249	sub load {
1945	my ($self) = @_;	2250	my ($self) = @_;
1946		2251
1947	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1950		2255
1951	{	2256	{
1952	my $guard = cf::lock_acquire "map_data:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1953		2258
1954	return unless $self->valid;	2259	return unless $self->valid;
1955	return unless $self->in_memory == cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1956
1957	$self->in_memory (cf::MAP_LOADING);
1958		2261
1959	$self->alloc;	2262	$self->alloc;
1960		2263
1961	$self->pre_load;	2264	$self->pre_load;
1962	cf::cede_to_tick;	2265	cf::cede_to_tick;
1963		2266
		2267	if (exists $self->{load_path}) {
1964	my $f = new_from_file cf::object::thawer $self->{load_path};	2268	my $f = new_from_file cf::object::thawer $self->{load_path};
1965	$f->skip_block;	2269	$f->skip_block;
1966	$self->_load_objects ($f)	2270	$self->_load_objects ($f)
1967	or return;	2271	or return;
1968		2272
1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1970	if delete $self->{load_original};	2274	if delete $self->{load_original};
1971		2275
1972	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1973	utf8::encode $uniq;	2277	utf8::encode $uniq;
1974	unless (aio_stat $uniq) {	2278	unless (aio_stat $uniq) {
1975	if (my $f = new_from_file cf::object::thawer $uniq) {	2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1976	$self->clear_unique_items;	2280	$self->clear_unique_items;
1977	$self->_load_objects ($f);	2281	$self->_load_objects ($f);
1978	$f->resolve_delayed_derefs;	2282	$f->resolve_delayed_derefs;
		2283	}
1979	}	2284	}
1980	}	2285	}
1981	}
1982		2286
1983	$f->resolve_delayed_derefs;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
1984		2294
1985	cf::cede_to_tick;	2295	cf::cede_to_tick;
1986	# now do the right thing for maps	2296	# now do the right thing for maps
1987	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1988	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
…		…
1992	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1993	$self->decay_objects;	2303	$self->decay_objects;
1994	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1995	$self->update_buttons;	2305	$self->update_buttons;
1996	cf::cede_to_tick;	2306	cf::cede_to_tick;
1997	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1998	cf::cede_to_tick;
1999	$self->activate;
2000	}	2308	}
2001		2309
2002	$self->{last_save} = $cf::RUNTIME;	2310	$self->{last_save} = $cf::RUNTIME;
2003	$self->last_access ($cf::RUNTIME);	2311	$self->last_access ($cf::RUNTIME);
2004
2005	$self->in_memory (cf::MAP_IN_MEMORY);
2006	}	2312	}
2007		2313
2008	$self->post_load;	2314	$self->post_load;
2009	}
2010		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
2011	sub customise_for {	2322	sub customise_for {
2012	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
2013		2324
2014	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
2015	if $self->per_player;	2326	if $self->per_player;
…		…
2018	# if $self->per_party;	2329	# if $self->per_party;
2019		2330
2020	$self	2331	$self
2021	}	2332	}
2022		2333
2023	# find and load all maps in the 3x3 area around a map
2024	sub load_neighbours {
2025	my ($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	$neigh->load;
2046	}
2047	}
2048
2049	sub find_sync {	2334	sub find_sync {
2050	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
2051		2336
2052	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
2053	}	2342	}
2054		2343
2055	sub do_load_sync {	2344	sub do_load_sync {
2056	my ($map) = @_;	2345	my ($map) = @_;
2057		2346
		2347	# it's a bug to call this from the main context
2058	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2059	if $Coro::current == $Coro::main;	2349	if $Coro::current == $Coro::main;
2060		2350
2061	cf::sync_job { $map->load };	2351	$map->load;
2062	}	2352	}
2063		2353
2064	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
2065	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
2066		2356
2067	sub find_async {	2357	sub find_async {
2068	my ($path, $origin, $load) = @_;	2358	my ($path, $origin, $load) = @_;
2069		2359
2070	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
2071		2361
2072	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
2074	}	2364	}
2075		2365
2076	$MAP_PREFETCH{$path} |= $load;	2366	$MAP_PREFETCH{$path} |= $load;
2077		2367
2078	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
…		…
2092	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
2093		2383
2094	()	2384	()
2095	}	2385	}
2096		2386
		2387	# common code, used by both ->save and ->swapout
2097	sub save {	2388	sub _save {
2098	my ($self) = @_;	2389	my ($self) = @_;
2099
2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
2101		2390
2102	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
2103		2392
2104	return unless $self->dirty;	2393	return unless $self->dirty;
2105		2394
…		…
2114		2403
2115	cf::async {	2404	cf::async {
2116	$Coro::current->{desc} = "map player save";	2405	$Coro::current->{desc} = "map player save";
2117	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
2118	};	2407	};
		2408
		2409	cf::get_slot 0.02;
2119		2410
2120	if ($uniq) {	2411	if ($uniq) {
2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2122	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2123	} else {	2414	} else {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2125	}	2416	}
2126	}	2417	}
2127		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
2128	sub swap_out {	2427	sub swap_out {
2129	my ($self) = @_;	2428	my ($self) = @_;
2130		2429
2131	# save first because save cedes
2132	$self->save;
2133
2134	my $lock = cf::lock_acquire "map_data:$self->{path}";	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
2135		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
2136	return if $self->players;	2434	return if $self->players;
2137	return if $self->in_memory != cf::MAP_IN_MEMORY;	2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
		2445	$self->clear;
		2446	}
		2447
		2448	sub reset_at {
		2449	my ($self) = @_;
		2450
		2451	# TODO: safety, remove and allow resettable per-player maps
2138	return if $self->{deny_save};	2452	return 1e99 if $self->{deny_reset};
2139		2453
		2454	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2455	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2456
		2457	$time + $to
		2458	}
		2459
		2460	sub should_reset {
		2461	my ($self) = @_;
		2462
		2463	$self->reset_at <= $cf::RUNTIME
		2464	}
		2465
		2466	sub reset {
		2467	my ($self) = @_;
		2468
		2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2470
		2471	return if $self->players;
		2472
		2473	cf::trace "resetting map ", $self->path, "\n";
		2474
2140	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
		2476
		2477	# need to save uniques path
		2478	unless ($self->{deny_save}) {
		2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2480
		2481	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2482	if $uniq;
		2483	}
		2484
		2485	delete $cf::MAP{$self->path};
2141		2486
2142	$self->deactivate;	2487	$self->deactivate;
2143	$_->clear_links_to ($self) for values %cf::MAP;	2488	$_->clear_links_to ($self) for values %cf::MAP;
2144	$self->clear;	2489	$self->clear;
2145	}
2146
2147	sub reset_at {
2148	my ($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		2490
2190	$self->unlink_save;	2491	$self->unlink_save;
2191	$self->destroy;	2492	$self->destroy;
2192	}	2493	}
2193		2494
…		…
2201		2502
2202	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2203		2504
2204	$self->unlink_save;	2505	$self->unlink_save;
2205		2506
2206	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2207	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2208	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2209	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2210	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2211		2512
…		…
2260		2561
2261	sub unique_maps() {	2562	sub unique_maps() {
2262	[	2563	[
2263	map {	2564	map {
2264	utf8::decode $_;	2565	utf8::decode $_;
2265	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2266	? normalise $_	2569	: normalise $_
2267	: ()
2268	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2269	]	2571	]
2270	}	2572	}
2271		2573
2272	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
2273		2605
2274	=back	2606	=back
2275		2607
2276	=head3 cf::object	2608	=head3 cf::object
2277		2609
…		…
2281		2613
2282	=over 4	2614	=over 4
2283		2615
2284	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2285		2617
2286	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
2287		2620
2288	=cut	2621	=cut
2289		2622
2290	sub inv_recursive_;	2623	sub inv_recursive_;
2291	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2296	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2297	}	2630	}
2298		2631
2299	=item $ref = $ob->ref	2632	=item $ref = $ob->ref
2300		2633
2301	creates and returns a persistent reference to an objetc that can be stored as a string.	2634	Creates and returns a persistent reference to an object that can be stored as a string.
2302		2635
2303	=item $ob = cf::object::deref ($refstring)	2636	=item $ob = cf::object::deref ($refstring)
2304		2637
2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2306	even if the object actually exists. May block.	2639	even if the object actually exists. May block.
…		…
2338	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
2339	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2340		2673
2341	=cut	2674	=cut
2342		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
		2689
2343	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2344	# with dialog boxes.	2691	# with dialog boxes.
2345	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
2346	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
2347	my ($self, $npc, $msg, $flags) = @_;	2694	my ($self, $npc, $msg, $flags) = @_;
…		…
2358	my $dialog = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2360		2707
2361	} else {	2708	} else {
2362	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2363	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2364	}	2711	}
2365	}	2712	}
2366	}	2713	}
2367		2714
2368	=item $object->send_msg ($channel, $msg, $color, [extra...])	2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2393		2740
2394	=item $player_object->enter_link	2741	=item $player_object->enter_link
2395		2742
2396	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
2397		2744
2398	The player should be reasonably safe there for short amounts of time. You	2745	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.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
2400		2749
2401	Will never block.	2750	Will never block.
2402		2751
2403	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2404		2753
…		…
2424	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2425	my ($self) = @_;	2774	my ($self) = @_;
2426		2775
2427	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2428		2777
		2778	++$self->{_link_recursion};
		2779
2429	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2430		2781
2431	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2432	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2433		2784
2434	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2435	}	2786	}
2436		2787
2437	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2438	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2439		2790
…		…
2456	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2457	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2458		2809
2459	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2460	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2461	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2462		2813
2463	$map->load;	2814	$map->load;
2464	$map->load_neighbours;
2465		2815
2466	return unless $self->contr->active;	2816	return unless $self->contr->active;
2467	$self->activate_recursive;
2468		2817
2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2470	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2471	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2472		2825
		2826	}
		2827
2473	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2474		2829
2475	Moves the player to the given map-path and coordinates by first freezing	2830	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	2831	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	2832	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	2833	the new (success) or old (failed) map position. In either case, $done will
2479	be called at the end of this process.	2834	be called at the end of this process.
2480		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
		2838
2481	=cut	2839	=cut
2482		2840
2483	our $GOTOGEN;	2841	our $GOTOGEN;
2484		2842
2485	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2486	my ($self, $path, $x, $y, $check, $done) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
2487		2851
2488	# do generation counting so two concurrent goto's will be executed in-order	2852	# do generation counting so two concurrent goto's will be executed in-order
2489	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2490		2854
2491	$self->enter_link;	2855	$self->enter_link;
…		…
2511	($path, $x, $y) = (undef, undef, undef);	2875	($path, $x, $y) = (undef, undef, undef);
2512	}	2876	}
2513	}	2877	}
2514		2878
2515	my $map = eval {	2879	my $map = eval {
2516	my $map = defined $path ? cf::map::find $path : undef;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2517		2881
2518	if ($map) {	2882	if ($map) {
2519	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2520	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2521	} else {	2885	} else {
2522	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2523	}	2887	}
2524		2888
2525	$map	2889	$map
…		…
2533	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2534	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2535	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2536	}	2900	}
2537		2901
2538	$done->() if $done;	2902	$done->($self) if $done;
2539	})->prio (1);	2903	})->prio (1);
2540	}	2904	}
2541		2905
2542	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2543		2907
…		…
2563	}	2927	}
2564		2928
2565	sub prepare_random_map {	2929	sub prepare_random_map {
2566	my ($exit) = @_;	2930	my ($exit) = @_;
2567		2931
2568	my $guard = cf::lock_acquire "exit_prepare:$exit";
2569
2570	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2571	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2572	# that depends on the exit object	2934	# that depends on the exit object
2573		2935
2574	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2576	if ($exit->map) {	2938	if ($exit->map) {
2577	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2578	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2579	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2580	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2581	}	2945	}
2582		2946
2583	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2584		2948
2585	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2586	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2587	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2588		2952
2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2590	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2591	undef $fh;	2955	undef $fh;
2592	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2593		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2594	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2595	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2596	}	2964	}
2597	}	2965	}
2598		2966
2599	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2600	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2601		2969
2602	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2603		2971
2604	if ($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;	2972	$self->enter_link;
2616		2973
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 {	2974	(async {
2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2975	$Coro::current->{desc} = "enter_exit";
2623		2976
2624	$self->deactivate_recursive; # just to be sure
2625	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
2626	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2627		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
2628	1;	3013	1
2629	}) {	3014	}) {
2630	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2631	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2632	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2633	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2634		3019
2635	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2636	$self->leave_link;	3021	$self->leave_link;
2637	}	3022	}
2638	})->prio (1);	3023	})->prio (1);
2639	}	3024	}
2640		3025
…		…
2652	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
2653	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
2654		3039
2655	utf8::encode $text;	3040	utf8::encode $text;
2656	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3042	}
		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
2657	}	3067	}
2658		3068
2659	=item $client->send_msg ($channel, $msg, $color, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2660		3070
2661	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2663	the message, with C<log> being the default. If C<$color> is negative, suppress	3073	the message, with C<log> being the default. If C<$color> is negative, suppress
2664	the message unless the client supports the msg packet.	3074	the message unless the client supports the msg packet.
2665		3075
2666	=cut	3076	=cut
2667		3077
		3078	# non-persistent channels (usually the info channel)
2668	our %CHANNEL = (	3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
2669	"c/identify" => {	3086	"c/identify" => {
2670	id => "infobox",	3087	id => "infobox",
2671	title => "Identify",	3088	title => "Identify",
2672	reply => undef,	3089	reply => undef,
2673	tooltip => "Items recently identified",	3090	tooltip => "Items recently identified",
…		…
2676	id => "infobox",	3093	id => "infobox",
2677	title => "Examine",	3094	title => "Examine",
2678	reply => undef,	3095	reply => undef,
2679	tooltip => "Signs and other items you examined",	3096	tooltip => "Signs and other items you examined",
2680	},	3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
		3103	},
		3104	"c/book" => {
		3105	id => "infobox",
		3106	title => "Book",
		3107	reply => undef,
		3108	tooltip => "The contents of a note or book",
		3109	},
2681	"c/lookat" => {	3110	"c/lookat" => {
2682	id => "infobox",	3111	id => "infobox",
2683	title => "Look",	3112	title => "Look",
2684	reply => undef,	3113	reply => undef,
2685	tooltip => "What you saw there",	3114	tooltip => "What you saw there",
2686	},	3115	},
		3116	"c/who" => {
		3117	id => "infobox",
		3118	title => "Players",
		3119	reply => undef,
		3120	tooltip => "Shows players who are currently online",
		3121	},
		3122	"c/body" => {
		3123	id => "infobox",
		3124	title => "Body Parts",
		3125	reply => undef,
		3126	tooltip => "Shows which body parts you posess and are available",
		3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
		3164	"c/uptime" => {
		3165	id => "infobox",
		3166	title => "Uptime",
		3167	reply => undef,
		3168	tooltip => "How long the server has been running since last restart",
		3169	},
		3170	"c/mapinfo" => {
		3171	id => "infobox",
		3172	title => "Map Info",
		3173	reply => undef,
		3174	tooltip => "Information related to the maps",
		3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
2687	);	3190	);
2688		3191
2689	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2690	my ($self, $channel, $msg, $color, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2691		3194
2692	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
2693		3197
2694	$color &= cf::NDI_CLIENT_MASK; # just in case...	3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
2695		3199
2696	# check predefined channels, for the benefit of C	3200	# check predefined channels, for the benefit of C
2697	if ($CHANNEL{$channel}) {	3201	if ($CHANNEL{$channel}) {
2698	$channel = $CHANNEL{$channel};	3202	$channel = $CHANNEL{$channel};
2699		3203
2700	$self->ext_msg (channel_info => $channel)	3204	$self->ext_msg (channel_info => $channel);
2701	if $self->can_msg;
2702
2703	$channel = $channel->{id};	3205	$channel = $channel->{id};
2704		3206
2705	} elsif (ref $channel) {	3207	} elsif (ref $channel) {
2706	# send meta info to client, if not yet sent	3208	# send meta info to client, if not yet sent
2707	unless (exists $self->{channel}{$channel->{id}}) {	3209	unless (exists $self->{channel}{$channel->{id}}) {
2708	$self->{channel}{$channel->{id}} = $channel;	3210	$self->{channel}{$channel->{id}} = $channel;
2709	$self->ext_msg (channel_info => $channel)	3211	$self->ext_msg (channel_info => $channel);
2710	if $self->can_msg;
2711	}	3212	}
2712		3213
2713	$channel = $channel->{id};	3214	$channel = $channel->{id};
2714	}	3215	}
2715		3216
2716	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2717		3218
2718	if ($self->can_msg) {
2719	# default colour, mask it out	3219	# default colour, mask it out
2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2721	if $color & cf::NDI_DEF;	3221	if $color & cf::NDI_DEF;
2722		3222
2723	$self->send_packet ("msg " . $self->{json_coder}->encode (	3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2725	} else {	3226	);
2726	if ($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		3227
2737	$color &= cf::NDI_COLOR_MASK;	3228	$self->send_big_packet ($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	}	3229	}
2751		3230
2752	=item $client->ext_msg ($type, @msg)	3231	=item $client->ext_msg ($type, @msg)
2753		3232
2754	Sends an ext event to the client.	3233	Sends an ext event to the client.
…		…
2757		3236
2758	sub cf::client::ext_msg($$@) {	3237	sub cf::client::ext_msg($$@) {
2759	my ($self, $type, @msg) = @_;	3238	my ($self, $type, @msg) = @_;
2760		3239
2761	if ($self->extcmd == 2) {	3240	if ($self->extcmd == 2) {
2762	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2763	} elsif ($self->extcmd == 1) { # TODO: remove	3242	} elsif ($self->extcmd == 1) { # TODO: remove
2764	push @msg, msgtype => "event_$type";	3243	push @msg, msgtype => "event_$type";
2765	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2766	}	3245	}
2767	}	3246	}
2768		3247
2769	=item $client->ext_reply ($msgid, @msg)	3248	=item $client->ext_reply ($msgid, @msg)
2770		3249
…		…
2773	=cut	3252	=cut
2774		3253
2775	sub cf::client::ext_reply($$@) {	3254	sub cf::client::ext_reply($$@) {
2776	my ($self, $id, @msg) = @_;	3255	my ($self, $id, @msg) = @_;
2777		3256
2778	if ($self->extcmd == 2) {	3257	return unless $self->extcmd == 2;
		3258
2779	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3259	$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	}	3260	}
2786		3261
2787	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2788		3263
2789	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
…		…
2844	my ($ns, $buf) = @_;	3319	my ($ns, $buf) = @_;
2845		3320
2846	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2847		3322
2848	if (ref $msg) {	3323	if (ref $msg) {
2849	my ($type, $reply, @payload) =	3324	my ($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		3325
2854	my @reply;	3326	my @reply;
2855		3327
2856	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTICMD{$type}) {
2857	@reply = $cb->($ns, @payload);	3329	@reply = $cb->($ns, @payload);
…		…
2859		3331
2860	$ns->ext_reply ($reply, @reply)	3332	$ns->ext_reply ($reply, @reply)
2861	if $reply;	3333	if $reply;
2862		3334
2863	} else {	3335	} else {
2864	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2865	}	3337	}
2866		3338
2867	cf::override;	3339	cf::override;
2868	},	3340	},
2869	);	3341	);
…		…
2889		3361
2890	$coro	3362	$coro
2891	}	3363	}
2892		3364
2893	cf::client->attach (	3365	cf::client->attach (
2894	on_destroy => sub {	3366	on_client_destroy => sub {
2895	my ($ns) = @_;	3367	my ($ns) = @_;
2896		3368
2897	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2898	},	3370	},
2899	);	3371	);
…		…
2915	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2916		3388
2917	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2918		3390
2919	$safe->permit_only (Opcode::opset qw(	3391	$safe->permit_only (Opcode::opset qw(
2920	:base_core :base_mem :base_orig :base_math	3392	:base_core :base_mem :base_orig :base_math :base_loop
2921	grepstart grepwhile mapstart mapwhile	3393	grepstart grepwhile mapstart mapwhile
2922	sort time	3394	sort time
2923	));	3395	));
2924		3396
2925	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
…		…
2928		3400
2929	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2930		3402
2931	cf::object	3403	cf::object
2932	contr pay_amount pay_player map x y force_find force_add destroy	3404	contr pay_amount pay_player map x y force_find force_add destroy
2933	insert remove name archname title slaying race decrease_ob_nr	3405	insert remove name archname title slaying race decrease split
		3406	value
2934		3407
2935	cf::object::player	3408	cf::object::player
2936	player	3409	player
2937		3410
2938	cf::player	3411	cf::player
…		…
2943		3416
2944	=cut	3417	=cut
2945		3418
2946	for (	3419	for (
2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2948	insert remove inv name archname title slaying race	3421	insert remove inv nrof name archname title slaying race
2949	decrease_ob_nr destroy)],	3422	decrease split destroy change_exp value msg lore send_msg)],
2950	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2951	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2952	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2953	) {	3426	) {
2954	no strict 'refs';
2955	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2956	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2957	for @funs;	3429	for @funs;
2958	}	3430	}
2959		3431
…		…
2974		3446
2975	my $qcode = $code;	3447	my $qcode = $code;
2976	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2977	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2978		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2979	local $_;	3454	local $_;
2980	local @safe::cf::_safe_eval_args = values %vars;
2981		3455
2982	my $eval =	3456	my $eval =
2983	"do {\n"	3457	"do {\n"
2984	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2985	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2986	. $code	3460	. $code
2987	. "\n}"	3461	. "\n}"
2988	;	3462	;
2989		3463
		3464	if ($CFG{safe_eval}) {
2990	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2991	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2992	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
2993		3473
2994	if ($@) {	3474	if ($@) {
2995	warn "$@";	3475	warn "$@",
2996	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2997	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2998	}	3478	}
2999		3479
3000	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
3001	}	3481	}
3002		3482
…		…
3016	=cut	3496	=cut
3017		3497
3018	sub register_script_function {	3498	sub register_script_function {
3019	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
3020		3500
3021	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
3022	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
3023	}	3503	}
3024		3504
3025	=back	3505	=back
3026		3506
3027	=cut	3507	=cut
3028		3508
3029	#############################################################################	3509	#############################################################################
3030	# the server's init and main functions	3510	# the server's init and main functions
		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
3031		3513
3032	sub load_facedata($) {	3514	sub load_facedata($) {
3033	my ($path) = @_;	3515	my ($path) = @_;
3034		3516
3035	# HACK to clear player env face cache, we need some signal framework	3517	# HACK to clear player env face cache, we need some signal framework
3036	# for this (global event?)	3518	# for this (global event?)
3037	%ext::player_env::MUSIC_FACE_CACHE = ();	3519	%ext::player_env::MUSIC_FACE_CACHE = ();
3038		3520
3039	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3521	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3040		3522
3041	warn "loading facedata from $path\n";	3523	trace "loading facedata from $path\n";
3042		3524
3043	my $facedata;	3525	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		3526
3049	$facedata->{version} == 2	3527	$facedata->{version} == 2
3050	or cf::cleanup "$path: version mismatch, cannot proceed.";	3528	or cf::cleanup "$path: version mismatch, cannot proceed.";
3051		3529
3052	# patch in the exptable	3530	# patch in the exptable
		3531	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3053	$facedata->{resource}{"res/exp_table"} = {	3532	$facedata->{resource}{"res/exp_table"} = {
3054	type => FT_RSRC,	3533	type => FT_RSRC,
3055	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3534	data => $exp_table,
		3535	hash => (Digest::MD5::md5 $exp_table),
3056	};	3536	};
3057	cf::cede_to_tick;	3537	cf::cede_to_tick;
3058		3538
3059	{	3539	{
3060	my $faces = $facedata->{faceinfo};	3540	my $faces = $facedata->{faceinfo};
3061		3541
3062	while (my ($face, $info) = each %$faces) {	3542	for my $face (sort keys %$faces) {
		3543	my $info = $faces->{$face};
3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3544	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3545
3064	cf::face::set_visibility $idx, $info->{visibility};	3546	cf::face::set_visibility $idx, $info->{visibility};
3065	cf::face::set_magicmap $idx, $info->{magicmap};	3547	cf::face::set_magicmap $idx, $info->{magicmap};
3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3548	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3549	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3550	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3551	$FACEHASH{$info->{hash64}} = $idx;#d#
3068		3552
3069	cf::cede_to_tick;	3553	cf::cede_to_tick;
3070	}	3554	}
3071		3555
3072	while (my ($face, $info) = each %$faces) {	3556	while (my ($face, $info) = each %$faces) {
3073	next unless $info->{smooth};	3557	next unless $info->{smooth};
		3558
3074	my $idx = cf::face::find $face	3559	my $idx = cf::face::find $face
3075	or next;	3560	or next;
		3561
3076	if (my $smooth = cf::face::find $info->{smooth}) {	3562	if (my $smooth = cf::face::find $info->{smooth}) {
3077	cf::face::set_smooth $idx, $smooth;	3563	cf::face::set_smooth $idx, $smooth;
3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3564	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3079	} else {	3565	} else {
3080	warn "smooth face '$info->{smooth}' not found for face '$face'";	3566	error "smooth face '$info->{smooth}' not found for face '$face'";
3081	}	3567	}
3082		3568
3083	cf::cede_to_tick;	3569	cf::cede_to_tick;
3084	}	3570	}
3085	}	3571	}
…		…
3094		3580
3095	cf::anim::invalidate_all; # d'oh	3581	cf::anim::invalidate_all; # d'oh
3096	}	3582	}
3097		3583
3098	{	3584	{
3099	# TODO: for gcfclient pleasure, we should give resources
3100	# that gcfclient doesn't grok a >10000 face index.
3101	my $res = $facedata->{resource};	3585	my $res = $facedata->{resource};
3102		3586
3103	my $soundconf = delete $res->{"res/sound.conf"};
3104
3105	while (my ($name, $info) = each %$res) {	3587	while (my ($name, $info) = each %$res) {
		3588	if (defined (my $type = $info->{type})) {
		3589	# 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;	3590	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3107	my $data;
3108		3591
3109	if ($info->{type} & 1) {	3592	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3110	# prepend meta info	3593	cf::face::set_type $idx, $type;
3111		3594	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3112	my $meta = $enc->encode ({	3595	$FACEHASH{$info->{hash}} = $idx;#d#
3113	name => $name,
3114	%{ $info->{meta} || {} },
3115	});
3116
3117	$data = pack "(w/a*)*", $meta, $info->{data};
3118	} else {	3596	} else {
3119	$data = $info->{data};	3597	# $RESOURCE{$name} = $info; # unused
3120	}	3598	}
3121		3599
3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3123	cf::face::set_type $idx, $info->{type};
3124
3125	cf::cede_to_tick;	3600	cf::cede_to_tick;
3126	}	3601	}
3127
3128	if ($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 => $face;
3143	}
3144	}
3145	}	3602	}
		3603
		3604	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3146		3605
3147	1	3606	1
3148	}	3607	}
3149		3608
3150	register_exticmd fx_want => sub {	3609	register_exticmd fx_want => sub {
…		…
3152		3611
3153	while (my ($k, $v) = each %$want) {	3612	while (my ($k, $v) = each %$want) {
3154	$ns->fx_want ($k, $v);	3613	$ns->fx_want ($k, $v);
3155	}	3614	}
3156	};	3615	};
		3616
		3617	sub load_resource_file($) {
		3618	my $guard = lock_acquire "load_resource_file";
		3619
		3620	my $status = load_resource_file_ $_[0];
		3621	get_slot 0.1, 100;
		3622	cf::arch::commit_load;
		3623
		3624	$status
		3625	}
3157		3626
3158	sub reload_regions {	3627	sub reload_regions {
3159	# HACK to clear player env face cache, we need some signal framework	3628	# HACK to clear player env face cache, we need some signal framework
3160	# for this (global event?)	3629	# for this (global event?)
3161	%ext::player_env::MUSIC_FACE_CACHE = ();	3630	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3175	}	3644	}
3176		3645
3177	sub reload_archetypes {	3646	sub reload_archetypes {
3178	load_resource_file "$DATADIR/archetypes"	3647	load_resource_file "$DATADIR/archetypes"
3179	or die "unable to load archetypes\n";	3648	or die "unable to load archetypes\n";
3180	#d# NEED to laod twice to resolve forward references
3181	# this really needs to be done in an extra post-pass
3182	# (which needs to be synchronous, so solve it differently)
3183	load_resource_file "$DATADIR/archetypes"
3184	or die "unable to load archetypes\n";
3185	}	3649	}
3186		3650
3187	sub reload_treasures {	3651	sub reload_treasures {
3188	load_resource_file "$DATADIR/treasures"	3652	load_resource_file "$DATADIR/treasures"
3189	or die "unable to load treasurelists\n";	3653	or die "unable to load treasurelists\n";
3190	}	3654	}
3191		3655
		3656	sub reload_sound {
		3657	trace "loading sound config from $DATADIR/sound\n";
		3658
		3659	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3660
		3661	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3662	my $sound = $soundconf->{compat}[$_]
		3663	or next;
		3664
		3665	my $face = cf::face::find "sound/$sound->[1]";
		3666	cf::sound::set $sound->[0] => $face;
		3667	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3668	}
		3669
		3670	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3671	my $face = cf::face::find "sound/$v";
		3672	cf::sound::set $k => $face;
		3673	}
		3674	}
		3675
3192	sub reload_resources {	3676	sub reload_resources {
3193	warn "reloading resource files...\n";	3677	trace "reloading resource files...\n";
3194		3678
		3679	reload_exp_table;
		3680	reload_materials;
		3681	reload_facedata;
		3682	reload_sound;
		3683	reload_archetypes;
3195	reload_regions;	3684	reload_regions;
3196	reload_facedata;
3197	#reload_archetypes;#d#
3198	reload_archetypes;
3199	reload_treasures;	3685	reload_treasures;
3200		3686
3201	warn "finished reloading resource files\n";	3687	trace "finished reloading resource files\n";
3202	}
3203
3204	sub init {
3205	reload_resources;
3206	}	3688	}
3207		3689
3208	sub reload_config {	3690	sub reload_config {
3209	open my $fh, "<:utf8", "$CONFDIR/config"	3691	trace "reloading config file...\n";
3210	or return;
3211		3692
3212	local $/;	3693	my $config = load_file "$CONFDIR/config";
3213	*CFG = YAML::Syck::Load <$fh>;	3694	utf8::decode $config;
		3695	*CFG = decode_yaml $config;
3214		3696
3215	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3216		3698
3217	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3699	$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};	3700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3219		3701
3220	if (exists $CFG{mlockall}) {	3702	if (exists $CFG{mlockall}) {
…		…
3224	};	3706	};
3225	warn $@ if $@;	3707	warn $@ if $@;
3226	}	3708	}
3227	}	3709	}
3228		3710
		3711	sub pidfile() {
		3712	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3713	or die "$PIDFILE: $!";
		3714	flock $fh, &Fcntl::LOCK_EX
		3715	or die "$PIDFILE: flock: $!";
		3716	$fh
		3717	}
		3718
		3719	# make sure only one server instance is running at any one time
		3720	sub atomic {
		3721	my $fh = pidfile;
		3722
		3723	my $pid = <$fh>;
		3724	kill 9, $pid if $pid > 0;
		3725
		3726	seek $fh, 0, 0;
		3727	print $fh $$;
		3728	}
		3729
		3730	sub main_loop {
		3731	trace "EV::loop starting\n";
		3732	if (1) {
		3733	EV::loop;
		3734	}
		3735	trace "EV::loop returned\n";
		3736	goto &main_loop unless $REALLY_UNLOOP;
		3737	}
		3738
3229	sub main {	3739	sub main {
		3740	cf::init_globals; # initialise logging
		3741
		3742	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3743	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3744	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3745	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3746
		3747	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3748
3230	# we must not ever block the main coroutine	3749	# we must not ever block the main coroutine
3231	local $Coro::idle = sub {	3750	$Coro::idle = sub {
3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3751	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3233	(async {	3752	(async {
3234	$Coro::current->{desc} = "IDLE BUG HANDLER";	3753	$Coro::current->{desc} = "IDLE BUG HANDLER";
3235	Event::one_event;	3754	EV::loop EV::LOOP_ONESHOT;
3236	})->prio (Coro::PRIO_MAX);	3755	})->prio (Coro::PRIO_MAX);
3237	};	3756	};
3238		3757
		3758	evthread_start IO::AIO::poll_fileno;
		3759
		3760	cf::sync_job {
		3761	cf::incloader::init ();
		3762
		3763	cf::init_anim;
		3764	cf::init_attackmess;
		3765	cf::init_dynamic;
		3766
		3767	cf::load_settings;
		3768
		3769	reload_resources;
3239	reload_config;	3770	reload_config;
3240	db_init;	3771	db_init;
		3772
		3773	cf::init_uuid;
		3774	cf::init_signals;
		3775	cf::init_skills;
		3776
		3777	cf::init_beforeplay;
		3778
		3779	atomic;
		3780
3241	load_extensions;	3781	load_extensions;
3242		3782
3243	$TICK_WATCHER->start;	3783	utime time, time, $RUNTIMEFILE;
3244	Event::loop;	3784
		3785	# no (long-running) fork's whatsoever before this point(!)
		3786	use POSIX ();
		3787	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3788
		3789	cf::_post_init 0;
		3790	};
		3791
		3792	cf::object::thawer::errors_are_fatal 0;
		3793	info "parse errors in files are no longer fatal from this point on.\n";
		3794
		3795	AE::postpone {
		3796	undef &main; # free gobs of memory :)
		3797	};
		3798
		3799	goto &main_loop;
3245	}	3800	}
3246		3801
3247	#############################################################################	3802	#############################################################################
3248	# initialisation and cleanup	3803	# initialisation and cleanup
3249		3804
3250	# install some emergency cleanup handlers	3805	# install some emergency cleanup handlers
3251	BEGIN {	3806	BEGIN {
		3807	our %SIGWATCHER = ();
3252	for my $signal (qw(INT HUP TERM)) {	3808	for my $signal (qw(INT HUP TERM)) {
3253	Event->signal (	3809	$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";	3810	cf::cleanup "SIG$signal";
3260	},
3261	);	3811	};
3262	}	3812	}
3263	}	3813	}
3264		3814
3265	sub write_runtime {	3815	sub write_runtime_sync {
3266	my $runtime = "$LOCALDIR/runtime";	3816	my $t0 = AE::time;
3267		3817
3268	# first touch the runtime file to show we are still running:	3818	# first touch the runtime file to show we are still running:
3269	# the fsync below can take a very very long time.	3819	# the fsync below can take a very very long time.
3270		3820
3271	IO::AIO::aio_utime $runtime, undef, undef;	3821	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3272		3822
3273	my $guard = cf::lock_acquire "write_runtime";	3823	my $guard = cf::lock_acquire "write_runtime";
3274		3824
3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3825	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3276	or return;	3826	or return;
3277		3827
3278	my $value = $cf::RUNTIME + 90 + 10;	3828	my $value = $cf::RUNTIME + 90 + 10;
3279	# 10 is the runtime save interval, for a monotonic clock	3829	# 10 is the runtime save interval, for a monotonic clock
3280	# 60 allows for the watchdog to kill the server.	3830	# 60 allows for the watchdog to kill the server.
…		…
3290	aio_utime $fh, undef, undef;	3840	aio_utime $fh, undef, undef;
3291		3841
3292	close $fh	3842	close $fh
3293	or return;	3843	or return;
3294		3844
3295	aio_rename "$runtime~", $runtime	3845	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3296	and return;	3846	and return;
3297		3847
3298	warn "runtime file written.\n";	3848	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3299		3849
3300	1	3850	1
		3851	}
		3852
		3853	our $uuid_lock;
		3854	our $uuid_skip;
		3855
		3856	sub write_uuid_sync($) {
		3857	$uuid_skip ||= $_[0];
		3858
		3859	return if $uuid_lock;
		3860	local $uuid_lock = 1;
		3861
		3862	my $uuid = "$LOCALDIR/uuid";
		3863
		3864	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3865	or return;
		3866
		3867	my $value = uuid_seq uuid_cur;
		3868
		3869	unless ($value) {
		3870	info "cowardly refusing to write zero uuid value!\n";
		3871	return;
		3872	}
		3873
		3874	my $value = uuid_str $value + $uuid_skip;
		3875	$uuid_skip = 0;
		3876
		3877	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3878	and return;
		3879
		3880	# always fsync - this file is important
		3881	aio_fsync $fh
		3882	and return;
		3883
		3884	close $fh
		3885	or return;
		3886
		3887	aio_rename "$uuid~", $uuid
		3888	and return;
		3889
		3890	trace "uuid file written ($value).\n";
		3891
		3892	1
		3893
		3894	}
		3895
		3896	sub write_uuid($$) {
		3897	my ($skip, $sync) = @_;
		3898
		3899	$sync ? write_uuid_sync $skip
		3900	: async { write_uuid_sync $skip };
3301	}	3901	}
3302		3902
3303	sub emergency_save() {	3903	sub emergency_save() {
3304	my $freeze_guard = cf::freeze_mainloop;	3904	my $freeze_guard = cf::freeze_mainloop;
3305		3905
3306	warn "enter emergency perl save\n";	3906	info "emergency_perl_save: enter\n";
		3907
		3908	# this is a trade-off: we want to be very quick here, so
		3909	# save all maps without fsync, and later call a global sync
		3910	# (which in turn might be very very slow)
		3911	local $USE_FSYNC = 0;
3307		3912
3308	cf::sync_job {	3913	cf::sync_job {
		3914	cf::write_runtime_sync; # external watchdog should not bark
		3915
3309	# use a peculiar iteration method to avoid tripping on perl	3916	# use a peculiar iteration method to avoid tripping on perl
3310	# refcount bugs in for. also avoids problems with players	3917	# refcount bugs in for. also avoids problems with players
3311	# and maps saved/destroyed asynchronously.	3918	# and maps saved/destroyed asynchronously.
3312	warn "begin emergency player save\n";	3919	info "emergency_perl_save: begin player save\n";
3313	for my $login (keys %cf::PLAYER) {	3920	for my $login (keys %cf::PLAYER) {
3314	my $pl = $cf::PLAYER{$login} or next;	3921	my $pl = $cf::PLAYER{$login} or next;
3315	$pl->valid or next;	3922	$pl->valid or next;
3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3923	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3317	$pl->save;	3924	$pl->save;
3318	}	3925	}
3319	warn "end emergency player save\n";	3926	info "emergency_perl_save: end player save\n";
3320		3927
3321	warn "begin emergency map save\n";	3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	info "emergency_perl_save: begin map save\n";
3322	for my $path (keys %cf::MAP) {	3931	for my $path (keys %cf::MAP) {
3323	my $map = $cf::MAP{$path} or next;	3932	my $map = $cf::MAP{$path} or next;
3324	$map->valid or next;	3933	$map->valid or next;
3325	$map->save;	3934	$map->save;
3326	}	3935	}
3327	warn "end emergency map save\n";	3936	info "emergency_perl_save: end map save\n";
3328		3937
3329	warn "begin emergency database checkpoint\n";	3938	cf::write_runtime_sync; # external watchdog should not bark
		3939
		3940	info "emergency_perl_save: begin database checkpoint\n";
3330	BDB::db_env_txn_checkpoint $DB_ENV;	3941	BDB::db_env_txn_checkpoint $DB_ENV;
3331	warn "end emergency database checkpoint\n";	3942	info "emergency_perl_save: end database checkpoint\n";
		3943
		3944	info "emergency_perl_save: begin write uuid\n";
		3945	write_uuid_sync 1;
		3946	info "emergency_perl_save: end write uuid\n";
		3947
		3948	cf::write_runtime_sync; # external watchdog should not bark
		3949
		3950	trace "emergency_perl_save: syncing database to disk";
		3951	BDB::db_env_txn_checkpoint $DB_ENV;
		3952
		3953	info "emergency_perl_save: starting sync\n";
		3954	IO::AIO::aio_sync sub {
		3955	info "emergency_perl_save: finished sync\n";
		3956	};
		3957
		3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	trace "emergency_perl_save: flushing outstanding aio requests";
		3961	while (IO::AIO::nreqs || BDB::nreqs) {
		3962	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3963	}
		3964
		3965	cf::write_runtime_sync; # external watchdog should not bark
3332	};	3966	};
3333		3967
3334	warn "leave emergency perl save\n";	3968	info "emergency_perl_save: leave\n";
3335	}	3969	}
3336		3970
3337	sub post_cleanup {	3971	sub post_cleanup {
3338	my ($make_core) = @_;	3972	my ($make_core) = @_;
3339		3973
		3974	IO::AIO::flush;
		3975
3340	warn Carp::longmess "post_cleanup backtrace"	3976	error Carp::longmess "post_cleanup backtrace"
3341	if $make_core;	3977	if $make_core;
		3978
		3979	my $fh = pidfile;
		3980	unlink $PIDFILE if <$fh> == $$;
		3981	}
		3982
		3983	# a safer delete_package, copied from Symbol
		3984	sub clear_package($) {
		3985	my $pkg = shift;
		3986
		3987	# expand to full symbol table name if needed
		3988	unless ($pkg =~ /^main::.*::$/) {
		3989	$pkg = "main$pkg" if $pkg =~ /^::/;
		3990	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3991	$pkg .= '::' unless $pkg =~ /::$/;
		3992	}
		3993
		3994	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3995	my $stem_symtab = *{$stem}{HASH};
		3996
		3997	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3998	or return;
		3999
		4000	# clear all symbols
		4001	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4002	for my $name (keys %$leaf_symtab) {
		4003	_gv_clear *{"$pkg$name"};
		4004	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4005	}
3342	}	4006	}
3343		4007
3344	sub do_reload_perl() {	4008	sub do_reload_perl() {
3345	# can/must only be called in main	4009	# can/must only be called in main
3346	if ($Coro::current != $Coro::main) {	4010	unless (in_main) {
3347	warn "can only reload from main coroutine";	4011	error "can only reload from main coroutine";
3348	return;	4012	return;
3349	}	4013	}
3350		4014
3351	warn "reloading...";	4015	return if $RELOAD++;
3352		4016
3353	warn "entering sync_job";	4017	my $t1 = AE::time;
3354		4018
		4019	while ($RELOAD) {
		4020	cf::get_slot 0.1, -1, "reload_perl";
		4021	info "perl_reload: reloading...";
		4022
		4023	trace "perl_reload: entering sync_job";
		4024
3355	cf::sync_job {	4025	cf::sync_job {
3356	cf::write_runtime; # external watchdog should not bark
3357	cf::emergency_save;	4026	#cf::emergency_save;
3358	cf::write_runtime; # external watchdog should not bark
3359		4027
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";	4028	trace "perl_reload: cancelling all extension coros";
3382	$_->cancel for values %EXT_CORO;	4029	$_->cancel for values %EXT_CORO;
3383	%EXT_CORO = ();	4030	%EXT_CORO = ();
3384		4031
3385	warn "removing commands";	4032	trace "perl_reload: removing commands";
3386	%COMMAND = ();	4033	%COMMAND = ();
3387		4034
3388	warn "removing ext/exti commands";	4035	trace "perl_reload: removing ext/exti commands";
3389	%EXTCMD = ();	4036	%EXTCMD = ();
3390	%EXTICMD = ();	4037	%EXTICMD = ();
3391		4038
3392	warn "unloading/nuking all extensions";	4039	trace "perl_reload: unloading/nuking all extensions";
3393	for my $pkg (@EXTS) {	4040	for my $pkg (@EXTS) {
3394	warn "... unloading $pkg";	4041	trace "... unloading $pkg";
3395		4042
3396	if (my $cb = $pkg->can ("unload")) {	4043	if (my $cb = $pkg->can ("unload")) {
3397	eval {	4044	eval {
3398	$cb->($pkg);	4045	$cb->($pkg);
3399	1	4046	1
3400	} or warn "$pkg unloaded, but with errors: $@";	4047	} or error "$pkg unloaded, but with errors: $@";
		4048	}
		4049
		4050	trace "... clearing $pkg";
		4051	clear_package $pkg;
3401	}	4052	}
3402		4053
3403	warn "... nuking $pkg";
3404	Symbol::delete_package $pkg;
3405	}
3406
3407	warn "unloading all perl modules loaded from $LIBDIR";	4054	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3408	while (my ($k, $v) = each %INC) {	4055	while (my ($k, $v) = each %INC) {
3409	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4056	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3410		4057
3411	warn "... unloading $k";	4058	trace "... unloading $k";
3412	delete $INC{$k};	4059	delete $INC{$k};
3413		4060
3414	$k =~ s/\.pm$//;	4061	$k =~ s/\.pm$//;
3415	$k =~ s/\//::/g;	4062	$k =~ s/\//::/g;
3416		4063
3417	if (my $cb = $k->can ("unload_module")) {	4064	if (my $cb = $k->can ("unload_module")) {
3418	$cb->();	4065	$cb->();
		4066	}
		4067
		4068	clear_package $k;
3419	}	4069	}
3420		4070
3421	Symbol::delete_package $k;
3422	}
3423
3424	warn "getting rid of safe::, as good as possible";	4071	trace "perl_reload: getting rid of safe::, as good as possible";
3425	Symbol::delete_package "safe::$_"	4072	clear_package "safe::$_"
3426	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4073	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3427		4074
3428	warn "unloading cf.pm \"a bit\"";	4075	trace "perl_reload: unloading cf.pm \"a bit\"";
3429	delete $INC{"cf.pm"};	4076	delete $INC{"cf.pm"};
3430	delete $INC{"cf/pod.pm"};	4077	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3431		4078
3432	# don't, removes xs symbols, too,	4079	# don't, removes xs symbols, too,
3433	# and global variables created in xs	4080	# and global variables created in xs
3434	#Symbol::delete_package __PACKAGE__;	4081	#clear_package __PACKAGE__;
3435		4082
3436	warn "unload completed, starting to reload now";	4083	info "perl_reload: unload completed, starting to reload now";
3437		4084
3438	warn "reloading cf.pm";	4085	trace "perl_reload: reloading cf.pm";
3439	require cf;	4086	require cf;
3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4087	cf::_connect_to_perl_1;
3441		4088
3442	warn "loading config and database again";	4089	trace "perl_reload: loading config and database again";
3443	cf::reload_config;	4090	cf::reload_config;
3444		4091
3445	warn "loading extensions";	4092	trace "perl_reload: loading extensions";
3446	cf::load_extensions;	4093	cf::load_extensions;
3447		4094
		4095	if ($REATTACH_ON_RELOAD) {
3448	warn "reattaching attachments to objects/players";	4096	trace "perl_reload: reattaching attachments to objects/players";
3449	_global_reattach; # objects, sockets	4097	_global_reattach; # objects, sockets
3450	warn "reattaching attachments to maps";	4098	trace "perl_reload: reattaching attachments to maps";
3451	reattach $_ for values %MAP;	4099	reattach $_ for values %MAP;
3452	warn "reattaching attachments to players";	4100	trace "perl_reload: reattaching attachments to players";
3453	reattach $_ for values %PLAYER;	4101	reattach $_ for values %PLAYER;
		4102	}
3454		4103
3455	warn "leaving sync_job";	4104	cf::_post_init 1;
3456		4105
		4106	trace "perl_reload: leaving sync_job";
		4107
3457	1	4108	1
3458	} or do {	4109	} or do {
3459	warn $@;	4110	error $@;
3460	warn "error while reloading, exiting.";	4111	cf::cleanup "perl_reload: error, exiting.";
3461	exit 1;	4112	};
		4113
		4114	--$RELOAD;
3462	};	4115	}
3463		4116
3464	warn "reloaded";	4117	$t1 = AE::time - $t1;
		4118	info "perl_reload: completed in ${t1}s\n";
3465	};	4119	};
3466		4120
3467	our $RELOAD_WATCHER; # used only during reload	4121	our $RELOAD_WATCHER; # used only during reload
3468		4122
3469	sub reload_perl() {	4123	sub reload_perl() {
3470	# doing reload synchronously and two reloads happen back-to-back,	4124	# doing reload synchronously and two reloads happen back-to-back,
3471	# coro crashes during coro_state_free->destroy here.	4125	# coro crashes during coro_state_free->destroy here.
3472		4126
3473	$RELOAD_WATCHER ||= Event->timer (	4127	$RELOAD_WATCHER ||= cf::async {
3474	reentrant => 0,	4128	Coro::AIO::aio_wait cache_extensions;
3475	after => 0,	4129
3476	data => WF_AUTOCANCEL,	4130	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3477	cb => sub {
3478	do_reload_perl;	4131	do_reload_perl;
3479	undef $RELOAD_WATCHER;	4132	undef $RELOAD_WATCHER;
3480	},	4133	};
3481	);	4134	};
3482	}	4135	}
3483		4136
3484	register_command "reload" => sub {	4137	register_command "reload" => sub {
3485	my ($who, $arg) = @_;	4138	my ($who, $arg) = @_;
3486		4139
…		…
3491	reload_perl;	4144	reload_perl;
3492	};	4145	};
3493	}	4146	}
3494	};	4147	};
3495		4148
3496	unshift @INC, $LIBDIR;	4149	#############################################################################
3497		4150
3498	my $bug_warning = 0;	4151	my $bug_warning = 0;
3499		4152
3500	our @WAIT_FOR_TICK;
3501	our @WAIT_FOR_TICK_BEGIN;
3502
3503	sub wait_for_tick {	4153	sub wait_for_tick() {
3504	return unless $TICK_WATCHER->is_active;	4154	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3505	return if $Coro::current == $Coro::main;
3506		4155
3507	my $signal = new Coro::Signal;	4156	$WAIT_FOR_TICK->wait;
3508	push @WAIT_FOR_TICK, $signal;
3509	$signal->wait;
3510	}	4157	}
3511		4158
3512	sub wait_for_tick_begin {	4159	sub wait_for_tick_begin() {
3513	return unless $TICK_WATCHER->is_active;	4160	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3514	return if $Coro::current == $Coro::main;
3515		4161
3516	my $signal = new Coro::Signal;	4162	my $signal = new Coro::Signal;
3517	push @WAIT_FOR_TICK_BEGIN, $signal;	4163	push @WAIT_FOR_TICK_BEGIN, $signal;
3518	$signal->wait;	4164	$signal->wait;
3519	}	4165	}
3520		4166
3521	$TICK_WATCHER = Event->timer (	4167	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 != $Coro::main) {	4168	if ($Coro::current != $Coro::main) {
3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4169	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3530	unless ++$bug_warning > 10;	4170	unless ++$bug_warning > 10;
3531	return;	4171	return;
3532	}	4172	}
3533		4173
3534	$NOW = $tick_start = Event::time;	4174	cf::one_tick; # one server iteration
3535		4175
3536	cf::server_tick; # one server iteration	4176	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3537		4177
3538	$RUNTIME += $TICK;
3539	$NEXT_TICK += $TICK;
3540
3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4178	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3542	$NEXT_RUNTIME_WRITE = $NOW + 10;	4179	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3543	Coro::async_pool {	4180	Coro::async_pool {
3544	$Coro::current->{desc} = "runtime saver";	4181	$Coro::current->{desc} = "runtime saver";
3545	write_runtime	4182	write_runtime_sync
3546	or warn "ERROR: unable to write runtime file: $!";	4183	or error "ERROR: unable to write runtime file: $!";
3547	};
3548	}	4184	};
		4185	}
3549		4186
3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4187	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3551	$sig->send;	4188	$sig->send;
3552	}	4189	}
3553	while (my $sig = shift @WAIT_FOR_TICK) {	4190	$WAIT_FOR_TICK->broadcast;
3554	$sig->send;
3555	}
3556		4191
3557	$NOW = Event::time;	4192	$LOAD = ($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;	4193	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3567		4194
3568	_post_tick;	4195	if (0) {
		4196	if ($NEXT_TICK) {
		4197	my $jitter = $TICK_START - $NEXT_TICK;
		4198	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4199	debug "jitter $JITTER\n";#d#
		4200	}
3569	},	4201	}
3570	);	4202	}
3571		4203
3572	{	4204	{
		4205	# configure BDB
		4206
3573	BDB::min_parallel 8;	4207	BDB::min_parallel 16;
3574	BDB::max_poll_time $TICK * 0.1;	4208	BDB::max_poll_reqs $TICK * 0.1;
3575	$BDB_POLL_WATCHER = Event->io (	4209	#$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	$! = $status;
3595	},
3596	)
3597	};
3598		4210
3599	unless ($DB_ENV) {	4211	unless ($DB_ENV) {
3600	$DB_ENV = BDB::db_env_create;	4212	$DB_ENV = BDB::db_env_create;
3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4213	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3602	| BDB::LOG_AUTOREMOVE, 1);	4214	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4215	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4216	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4217	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3605		4218
3606	cf::sync_job {	4219	cf::sync_job {
3607	eval {	4220	eval {
…		…
3617		4230
3618	cf::cleanup "db_env_open(db): $@" if $@;	4231	cf::cleanup "db_env_open(db): $@" if $@;
3619	};	4232	};
3620	}	4233	}
3621		4234
3622	$BDB_DEADLOCK_WATCHER = Event->timer (	4235	$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 { };	4236	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3630	},
3631	);	4237	};
3632	$BDB_CHECKPOINT_WATCHER = Event->timer (	4238	$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 { };	4239	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3640	},
3641	);	4240	};
3642	$BDB_TRICKLE_WATCHER = Event->timer (	4241	$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 { };	4242	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3650	},
3651	);	4243	};
3652	}	4244	}
3653		4245
3654	{	4246	{
		4247	# configure IO::AIO
		4248
3655	IO::AIO::min_parallel 8;	4249	IO::AIO::min_parallel 8;
3656
3657	undef $Coro::AIO::WATCHER;
3658	IO::AIO::max_poll_time $TICK * 0.1;	4250	IO::AIO::max_poll_time $TICK * 0.1;
3659	$AIO_POLL_WATCHER = Event->io (	4251	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	}	4252	}
3668		4253
3669	my $_log_backtrace;	4254	our $_log_backtrace;
		4255	our $_log_backtrace_last;
3670		4256
3671	sub _log_backtrace {	4257	sub _log_backtrace {
3672	my ($msg, @addr) = @_;	4258	my ($msg, @addr) = @_;
3673		4259
3674	$msg =~ s/\n//;	4260	$msg =~ s/\n$//;
3675		4261
		4262	if ($_log_backtrace_last eq $msg) {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3676	# limit the # of concurrent backtraces	4265	# limit the # of concurrent backtraces
3677	if ($_log_backtrace < 2) {	4266	} elsif ($_log_backtrace < 2) {
		4267	$_log_backtrace_last = $msg;
3678	++$_log_backtrace;	4268	++$_log_backtrace;
		4269	my $perl_bt = Carp::longmess $msg;
3679	async {	4270	async {
3680	$Coro::current->{desc} = "abt $msg";	4271	$Coro::current->{desc} = "abt $msg";
3681		4272
3682	my @bt = fork_call {	4273	my @bt = fork_call {
3683	@addr = map { sprintf "%x", $_ } @addr;	4274	@addr = map { sprintf "%x", $_ } @addr;
…		…
3694	}	4285	}
3695		4286
3696	@funcs	4287	@funcs
3697	};	4288	};
3698		4289
3699	LOG llevInfo, "[ABT] $msg\n";	4290	LOG llevInfo, "[ABT] $perl_bt\n";
		4291	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3700	LOG llevInfo, "[ABT] $_\n" for @bt;	4292	LOG llevInfo, "[ABT] $_\n" for @bt;
3701	--$_log_backtrace;	4293	--$_log_backtrace;
3702	};	4294	};
3703	} else {	4295	} else {
3704	LOG llevInfo, "[ABT] $msg\n";	4296	LOG llevInfo, "[ABT] $msg\n";
3705	LOG llevInfo, "[ABT] [suppressed]\n";	4297	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3706	}	4298	}
3707	}	4299	}
3708		4300
3709	# load additional modules	4301	# load additional modules
3710	use cf::pod;	4302	require "cf/$_.pm" for @EXTRA_MODULES;
		4303	cf::_connect_to_perl_2;
3711		4304
3712	END { cf::emergency_save }	4305	END { cf::emergency_save }
3713		4306
3714	1	4307	1
3715		4308

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