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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.371 by root, Thu Sep 13 16:16:01 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 Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.64 ();	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 2.32 ();	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 {
		592	$Coro::current->desc ("timeslot manager");
		593
359	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
360		596
361	while () {	597	while () {
362	next_job:	598	next_job:
		599
363	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
364	if ($avail > 0.01) {	601
365	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
366	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
367	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
368	$job->[2]->send;	606	$job->[2]->send;
369	Coro::cede;	607	Coro::cede;
370	goto next_job;	608	goto next_job;
371	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
372	}	611	}
373	}	612	}
374		613
375	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
376	# 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
377	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
378	$signal->wait;
379	} else {	617	} else {
		618	$busy = 0;
380	Coro::schedule;	619	Coro::schedule;
381	}	620	}
382	}	621	}
383	};	622	};
384		623
385	sub get_slot($;$$) {	624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
386	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
387		628
388	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
389	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
390		632
391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
393	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
404		646
405	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
406		648
407	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
408		650
409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	651	The design of Deliantra requires that the main coroutine ($Coro::main)
410	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
411	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
412	acceptable.	654	acceptable.
413		655
414	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
415	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
…		…
419	=cut	661	=cut
420		662
421	sub sync_job(&) {	663	sub sync_job(&) {
422	my ($job) = @_;	664	my ($job) = @_;
423		665
424	if ($Coro::current == $Coro::main) {	666	if (in_main) {
425	my $time = Event::time;	667	my $time = AE::time;
426		668
427	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
428	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
429		671
430	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
431	# (but this is cancel-safe)	673
432	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
433		675
434	my $busy = 1;	676	my $busy = 1;
435	my @res;	677	my @res;
436		678
437	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
438	@res = eval { $job->() };	681	@res = eval { $job->() };
439	warn $@ if $@;	682	error $@ if $@;
440	undef $busy;	683	undef $busy;
441	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
442		685
443	while ($busy) {	686	while ($busy) {
444	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
445	}	691	}
		692	}
446		693
447	$time = Event::time - $time;	694	my $time = AE::time - $time;
448		695
449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
451
452	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
453		697
454	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
455	} else {	699	} else {
456	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
457		701
…		…
477	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
478		722
479	$coro	723	$coro
480	}	724	}
481		725
482	=item fork_call { }, $args	726	=item fork_call { }, @args
483		727
484	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
485	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
486	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
487	never block itself or use any form of Event handling.	731	never block itself or use any form of event handling.
488		732
489	=cut	733	=cut
		734
		735	sub post_fork {
		736	reset_signals;
		737	}
490		738
491	sub fork_call(&@) {	739	sub fork_call(&@) {
492	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
493		741
494	# 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,
495	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
496	# TODO: investigate and fix (likely this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
497		745
498	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
499	reset_signals;	747	cf::post_fork;
500	&$cb	748	&$cb
501	}, @args;	749	} @args;
502		750
503	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
504	}	790	}
505		791
506	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
507		793
508	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
518	within each server.	804	within each server.
519		805
520	=cut	806	=cut
521		807
522	sub db_table($) {	808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
523	my ($name) = @_;	812	my ($name) = @_;
524	my $db = BDB::db_create $DB_ENV;	813	my $db = BDB::db_create $DB_ENV;
525		814
526	eval {	815	eval {
527	$db->set_flags (BDB::CHKSUM);	816	$db->set_flags (BDB::CHKSUM);
…		…
537	}	826	}
538		827
539	our $DB;	828	our $DB;
540		829
541	sub db_init {	830	sub db_init {
542	cf::sync_job {
543	$DB ||= db_table "db";	831	$DB ||= db_table "db";
544	};
545	}	832	}
546		833
547	sub db_get($$) {	834	sub db_get($$) {
548	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
549		836
550	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
551	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
552		841
553	$! ? ()	842	$! ? ()
554	: $data	843	: $data
555	}
556	}	844	}
557		845
558	sub db_put($$$) {	846	sub db_put($$$) {
559	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
588		876
589	my @data;	877	my @data;
590	my $md5;	878	my $md5;
591		879
592	for (0 .. $#$src) {	880	for (0 .. $#$src) {
593	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
594	or Carp::croak "$src->[$_]: $!";
595	}	882	}
596		883
597	# if processing is expensive, check	884	# if processing is expensive, check
598	# checksum first	885	# checksum first
599	if (1) {	886	if (1) {
…		…
616		903
617	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
618	my $data = $process->(\@data);	905	my $data = $process->(\@data);
619	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
620		907
621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
622		909
623	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
624	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
625	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
626		913
…		…
636		923
637	=cut	924	=cut
638		925
639	sub datalog($@) {	926	sub datalog($@) {
640	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
642	}	929	}
643		930
644	=back	931	=back
645		932
646	=cut	933	=cut
647		934
648	#############################################################################	935	#############################################################################
649		936
650	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
651		938
652	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
653	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")
654	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
655		942
656	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>
657	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
658	Crossfire TRT).	945	Deliantra).
659		946
660	=over 4	947	=over 4
661		948
662	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
663		950
…		…
707	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
708		995
709	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
710	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
711		998
712	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
713	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.
714		1001
715	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
716		1003
717	=over 4	1004	=over 4
…		…
841		1128
842	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
843	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
844		1131
845	} elsif (ref $type) {	1132	} elsif (ref $type) {
846	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
847		1134
848	} else {	1135	} else {
849	shift @arg;	1136	shift @arg;
850	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
851	}	1138	}
852	}	1139	}
853	}	1140	}
854		1141
855	sub _object_attach {	1142	sub _object_attach {
…		…
865	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
866	}	1153	}
867		1154
868	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
869	} else {	1156	} else {
870	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
871	}	1158	}
872		1159
873	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
874	}	1161	}
875		1162
…		…
934		1221
935	for (@$callbacks) {	1222	for (@$callbacks) {
936	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
937		1224
938	if ($@) {	1225	if ($@) {
939	warn "$@";
940	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
941	override;	1227	override;
942	}	1228	}
943		1229
944	return 1 if $override;	1230	return 1 if $override;
945	}	1231	}
946		1232
947	0	1233	0
948	}	1234	}
949		1235
950	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
951		1237
952	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
953		1239
954	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
955		1241
…		…
961		1247
962	=cut	1248	=cut
963		1249
964	#############################################################################	1250	#############################################################################
965	# object support	1251	# object support
966	#
967		1252
		1253	sub _object_equal($$);
		1254	sub _object_equal($$) {
		1255	my ($a, $b) = @_;
		1256
		1257	return 0 unless (ref $a) eq (ref $b);
		1258
		1259	if ("HASH" eq ref $a) {
		1260	my @ka = keys %$a;
		1261	my @kb = keys %$b;
		1262
		1263	return 0 if @ka != @kb;
		1264
		1265	for (0 .. $#ka) {
		1266	return 0 unless $ka[$_] eq $kb[$_];
		1267	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1268	}
		1269
		1270	} elsif ("ARRAY" eq ref $a) {
		1271
		1272	return 0 if @$a != @$b;
		1273
		1274	for (0 .. $#$a) {
		1275	return 0 unless _object_equal $a->[$_], $b->[$_];
		1276	}
		1277
		1278	} elsif ($a ne $b) {
		1279	return 0;
		1280	}
		1281
		1282	1
		1283	}
		1284
		1285	our $SLOW_MERGES;#d#
968	sub _can_merge {	1286	sub _can_merge {
969	my ($ob1, $ob2) = @_;	1287	my ($ob1, $ob2) = @_;
970		1288
971	local $Storable::canonical = 1;	1289	++$SLOW_MERGES;#d#
972	my $fob1 = Storable::freeze $ob1;
973	my $fob2 = Storable::freeze $ob2;
974		1290
975	$fob1 eq $fob2	1291	# we do the slow way here
		1292	return _object_equal $ob1, $ob2
976	}	1293	}
977		1294
978	sub reattach {	1295	sub reattach {
979	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
980	my ($obj) = @_;	1297	my ($obj) = @_;
981		1298
		1299	# no longer needed after getting rid of delete_package?
982	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
983		1301
984	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
985		1303
986	@$registry = ();	1304	@$registry = ();
987		1305
…		…
992	for (@$attach) {	1310	for (@$attach) {
993	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
994	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
995	}	1313	}
996	} else {	1314	} else {
997	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
998	}	1316	}
999	}	1317	}
1000	}	1318	}
1001		1319
1002	cf::attachable->attach (	1320	cf::attachable->attach (
1003	prio => -1000000,	1321	prio => -1000000,
1004	on_instantiate => sub {	1322	on_instantiate => sub {
1005	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
1006		1324
1007	$data = from_json $data;	1325	$data = decode_json $data;
1008		1326
1009	for (@$data) {	1327	for (@$data) {
1010	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
1011		1329
1012	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
1026	);	1344	);
1027		1345
1028	sub object_freezer_save {	1346	sub object_freezer_save {
1029	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1030		1348
1031	my $guard = cf::lock_acquire "io";
1032
1033	sync_job {	1349	sync_job {
1034	if (length $$rdata) {	1350	if (length $$rdata) {
1035	utf8::decode (my $decname = $filename);	1351	utf8::decode (my $decname = $filename);
1036	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1037	$decname, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1038		1355
1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1040	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1042	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	}
1043	close $fh;	1363	aio_close $fh;
1044		1364
1045	if (@$objs) {	1365	if (@$objs) {
1046	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) {
1047	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
1048	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1049	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1050	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	}
1051	close $fh;	1374	aio_close $fh;
1052	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1053	}	1376	}
1054	} else {	1377	} else {
1055	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1056	}	1379	}
1057		1380
1058	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1059	} else {	1385	} else {
1060	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1061	}	1387	}
1062	} else {	1388	} else {
1063	aio_unlink $filename;	1389	aio_unlink $filename;
1064	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1065	}	1391	}
1066	};	1392	};
1067
1068	undef $guard;
1069	}	1393	}
1070		1394
1071	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
1072	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
1073		1397
…		…
1078		1402
1079	sub object_thawer_load {	1403	sub object_thawer_load {
1080	my ($filename) = @_;	1404	my ($filename) = @_;
1081		1405
1082	my ($data, $av);	1406	my ($data, $av);
1083
1084	my $guard = cf::lock_acquire "io";
1085		1407
1086	(aio_load $filename, $data) >= 0	1408	(aio_load $filename, $data) >= 0
1087	or return;	1409	or return;
1088		1410
1089	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
1090	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
1091	or return;	1413	or return;
1092		1414
1093	undef $guard;
1094	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
1095	}	1417	}
1096		1418
1097	utf8::decode (my $decname = $filename);	1419	utf8::decode (my $decname = $filename);
1098	warn sprintf "loading %s (%d,%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1099	$decname, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
1100		1423
1101	($data, $av)	1424	($data, $av)
1102	}	1425	}
1103		1426
1104	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
…		…
1160	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1161		1484
1162	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1163	}	1486	}
1164		1487
		1488	use File::Glob ();
		1489
1165	cf::player->attach (	1490	cf::player->attach (
1166	on_command => sub {	1491	on_unknown_command => sub {
1167	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1168		1493
1169	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1170	or return;	1495	or return;
1171		1496
…		…
1179	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1180		1505
1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1182		1507
1183	if (ref $msg) {	1508	if (ref $msg) {
1184	my ($type, $reply, @payload) =	1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1185	"ARRAY" eq ref $msg
1186	? @$msg
1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1188		1510
1189	my @reply;	1511	my @reply;
1190		1512
1191	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1192	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
…		…
1194		1516
1195	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_reply ($reply, @reply)
1196	if $reply;	1518	if $reply;
1197		1519
1198	} else {	1520	} else {
1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1200	}	1522	}
1201		1523
1202	cf::override;	1524	cf::override;
1203	},	1525	},
1204	);	1526	);
1205		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
1206	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1207	cf::sync_job {	1557	cf::sync_job {
1208	my %todo;	1558	my %todo;
1209		1559
1210	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1211	next unless -r $path;	1561	next unless -r $path;
…		…
1229		1579
1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1232		1582
1233	$ext{source} =	1583	$ext{source} =
1234	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1235	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1236	. $source	1586	. $source
1237	. "\n};\n1";	1587	. "\n};\n1";
1238		1588
1239	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1240	}	1590	}
1241		1591
		1592	my $pass = 0;
1242	my %done;	1593	my %done;
1243	while (%todo) {	1594	while (%todo) {
1244	my $progress;	1595	my $progress;
1245		1596
		1597	++$pass;
		1598
		1599	ext:
1246	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1247	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1248	goto skip	1602	next ext
1249	unless exists $done{$_};	1603	unless exists $done{$_};
1250	}	1604	}
1251		1605
1252	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1253		1607
1254	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 $@) {
1255	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1256	: "$v->{base}: extension inactive.\n";
1257		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1258	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1259	warn $msg;	1624
1260	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1261	exit 1;	1626	delete $todo{$k};
1262	}	1627	} else {
1263		1628	$done{$k} = delete $todo{$k};
1264	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1265	}	1634	}
1266
1267	$done{$k} = delete $todo{$k};
1268	push @EXTS, $v->{pkg};
1269	$progress = 1;
1270	}	1635	}
1271		1636
1272	skip:	1637	unless ($progress) {
1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1274	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1275	}	1647	}
1276	};	1648	};
1277	}	1649	}
1278		1650
1279	#############################################################################	1651	#############################################################################
1280		1652
1281	=back	1653	=back
1282		1654
1283	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1284		1656
1285	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1286		1658
1287	=cut	1659	=cut
1288		1660
1289	package cf::player;	1661	package cf::player;
1290		1662
…		…
1333		1705
1334	sub exists($) {	1706	sub exists($) {
1335	my ($login) = @_;	1707	my ($login) = @_;
1336		1708
1337	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1338	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1339	}	1711	}
1340		1712
1341	sub find($) {	1713	sub find($) {
1342	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1343	my $login = $_[0];	1715	my $login = $_[0];
…		…
1353	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1354		1726
1355	my $f = new_from_file cf::object::thawer path $login	1727	my $f = new_from_file cf::object::thawer path $login
1356	or return;	1728	or return;
1357		1729
1358	$f->next;
1359	my $pl = cf::player::load_pl $f	1730	my $pl = cf::player::load_pl $f
1360	or return;	1731	or return;
		1732
1361	local $cf::PLAYER_LOADING{$login} = $pl;	1733	local $cf::PLAYER_LOADING{$login} = $pl;
1362	$f->resolve_delayed_derefs;	1734	$f->resolve_delayed_derefs;
1363	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1364	}	1736	}
1365	}	1737	}
1366	}	1738	}
1367		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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
1368	sub save($) {	1753	sub save($) {
1369	my ($pl) = @_;	1754	my ($pl) = @_;
1370		1755
1371	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
1372		1757
…		…
1375		1760
1376	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1377		1762
1378	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1379	$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];
1380		1770
1381	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1382	cf::cede_to_tick;	1772	cf::cede_to_tick;
1383	}	1773	}
1384		1774
…		…
1416	my ($pl) = @_;	1806	my ($pl) = @_;
1417		1807
1418	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1419		1809
1420	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1421	$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
1422		1812
1423	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1424	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1425	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1426	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1427		1821
1428	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1429	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1430	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1468		1862
1469	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
1470	my $path = path $login;	1864	my $path = path $login;
1471		1865
1472	# a .pst is a dead give-away for a valid player	1866	# a .pst is a dead give-away for a valid player
1473	unless (-e "$path.pst") {	1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1475	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1476	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
1477	}	1872	}
1478		1873
…		…
1482		1877
1483	\@logins	1878	\@logins
1484	}	1879	}
1485		1880
1486	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1487		1884
1488	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1489	player. May block.	1886	player. May block.
1490		1887
1491	=cut	1888	=cut
…		…
1509	}	1906	}
1510		1907
1511	\@paths	1908	\@paths
1512	}	1909	}
1513		1910
1514	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1515		1912
1516	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1517
1518	=cut
1519
1520	sub expand_cfpod {
1521	((my $self), (local $_)) = @_;
1522
1523	# escape & and <
1524	s/&/&amp;/g;
1525	s/(?<![BIUGHT])</&lt;/g;
1526
1527	# this is buggy, it needs to properly take care of nested <'s
1528
1529	1 while
1530	# replace B<>, I<>, U<> etc.
1531	s/B<([^\>]*)>/<b>$1<\/b>/
1532	|| s/I<([^\>]*)>/<i>$1<\/i>/
1533	|| s/U<([^\>]*)>/<u>$1<\/u>/
1534	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1535	# replace G<male|female> tags
1536	|| s{G<([^>|]*)\|([^>]*)>}{
1537	$self->gender ? $2 : $1
1538	}ge
1539	# replace H<hint text>
1540	|| s{H<([^\>]*)>}
1541	{
1542	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1543	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1544	"")
1545	[$self->{hintmode}]
1546	}ge;
1547
1548	# create single paragraphs (very hackish)
1549	s/(?<=\S)\n(?=\w)/ /g;
1550
1551	# compress some whitespace
1552	s/\s+\n/\n/g; # ws line-ends
1553	s/\n\n+/\n/g; # double lines
1554	s/^\n+//; # beginning lines
1555	s/\n+$//; # ending lines
1556
1557	$_
1558	}
1559
1560	sub hintmode {
1561	$_[0]{hintmode} = $_[1] if @_ > 1;
1562	$_[0]{hintmode}
1563	}
1564		1914
1565	=item $player->ext_reply ($msgid, @msg)	1915	=item $player->ext_reply ($msgid, @msg)
1566		1916
1567	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1568		1918
…		…
1600		1950
1601	=cut	1951	=cut
1602		1952
1603	sub find_by_path($) {	1953	sub find_by_path($) {
1604	my ($path) = @_;	1954	my ($path) = @_;
		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
1605		1957
1606	my ($match, $specificity);	1958	my ($match, $specificity);
1607		1959
1608	for my $region (list) {	1960	for my $region (list) {
1609	if ($region->{match} && $path =~ $region->{match}) {	1961	if ($region->{match} && $path =~ $region->{match}) {
…		…
1635	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1636	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1637		1989
1638	sub generate_random_map {	1990	sub generate_random_map {
1639	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1640	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1641	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1642	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1643	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1644	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1645	$rmp->{exit_on_final_map},
1646	$rmp->{xsize}, $rmp->{ysize},
1647	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1648	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1649	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1650	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1651	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1652	(cf::region::find $rmp->{region}), $rmp->{custom}
1653	)
1654	}	1996	}
1655		1997
1656	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1657		1999
1658	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
…		…
1663		2005
1664	sub register {	2006	sub register {
1665	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1666	my $pkg = caller;	2008	my $pkg = caller;
1667		2009
1668	no strict;
1669	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1670		2011
1671	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1672	}	2013	}
1673		2014
1674	# also paths starting with '/'	2015	# also paths starting with '/'
1675	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1676		2017
1677	sub thawer_merge {	2018	sub thawer_merge {
1678	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1679		2020
1680	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1685	}	2026	}
1686		2027
1687	sub normalise {	2028	sub normalise {
1688	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1689		2030
1690	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1691		2032
1692	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1693		2034
1694	# map plan:	2035	# map plan:
1695	#	2036	#
…		…
1710	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1711	$path = "$base/$path";	2052	$path = "$base/$path";
1712	}	2053	}
1713		2054
1714	for ($path) {	2055	for ($path) {
1715	redo if s{//}{/};
1716	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1717	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1718	}	2058	}
1719		2059
1720	$path	2060	$path
…		…
1734	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1735	return $self;	2075	return $self;
1736	}	2076	}
1737	}	2077	}
1738		2078
1739	Carp::cluck "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1740	()	2080	()
1741	}	2081	}
1742		2082
		2083	# may re-bless or do other evil things
1743	sub init {	2084	sub init {
1744	my ($self) = @_;	2085	my ($self) = @_;
1745		2086
1746	$self	2087	$self
1747	}	2088	}
…		…
1766		2107
1767	# the temporary/swap location	2108	# the temporary/swap location
1768	sub save_path {	2109	sub save_path {
1769	my ($self) = @_;	2110	my ($self) = @_;
1770		2111
1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1772	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1773	}	2114	}
1774		2115
1775	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1776	sub uniq_path {	2117	sub uniq_path {
1777	my ($self) = @_;	2118	my ($self) = @_;
1778		2119
1779	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1780	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1781	}
1782
1783	# and all this just because we cannot iterate over
1784	# all maps in C++...
1785	sub change_all_map_light {
1786	my ($change) = @_;
1787
1788	$_->change_map_light ($change)
1789	for grep $_->outdoor, values %cf::MAP;
1790	}	2122	}
1791		2123
1792	sub decay_objects {	2124	sub decay_objects {
1793	my ($self) = @_;	2125	my ($self) = @_;
1794		2126
…		…
1821	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1822		2154
1823	1	2155	1
1824	}	2156	}
1825		2157
		2158	# used to laod the header of an original map
1826	sub load_header_orig {	2159	sub load_header_orig {
1827	my ($self) = @_;	2160	my ($self) = @_;
1828		2161
1829	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1830	}	2163	}
1831		2164
		2165	# used to laod the header of an instantiated map
1832	sub load_header_temp {	2166	sub load_header_temp {
1833	my ($self) = @_;	2167	my ($self) = @_;
1834		2168
1835	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1836	}	2170	}
1837		2171
		2172	# called after loading the header from an instantiated map
1838	sub prepare_temp {	2173	sub prepare_temp {
1839	my ($self) = @_;	2174	my ($self) = @_;
1840		2175
1841	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1842	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1843	# safety	2178	# safety
1844	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1845	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1846	}	2181	}
1847		2182
		2183	# called after loading the header from an original map
1848	sub prepare_orig {	2184	sub prepare_orig {
1849	my ($self) = @_;	2185	my ($self) = @_;
1850		2186
1851	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1852	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1876		2212
1877	sub find;	2213	sub find;
1878	sub find {	2214	sub find {
1879	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1880		2216
		2217	cf::cede_to_tick;
		2218
1881	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1882		2220
1883	cf::lock_wait "map_data:$path";#d#remove	2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1884	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1885		2223
1886	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1887	my $guard1 = cf::lock_acquire "map_find:$path";
1888	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1889
1890	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1891	or return;	2226	or return;
1892		2227
1893	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1894		2229
…		…
1896	or return;	2231	or return;
1897		2232
1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1899	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1900	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
1901	undef $guard1;	2237	undef $guard1;
1902	undef $guard2;
1903	$map->reset;	2238	$map->reset;
1904	return find $path;	2239	return find $path;
1905	}	2240	}
1906		2241
1907	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1908	}	2243	}
1909	}	2244	}
1910		2245
1911	sub pre_load { }	2246	sub pre_load { }
1912	sub post_load { }	2247	#sub post_load { } # XS
1913		2248
1914	sub load {	2249	sub load {
1915	my ($self) = @_;	2250	my ($self) = @_;
1916		2251
1917	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1920		2255
1921	{	2256	{
1922	my $guard = cf::lock_acquire "map_data:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1923		2258
1924	return unless $self->valid;	2259	return unless $self->valid;
1925	return unless $self->in_memory == cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1926
1927	$self->in_memory (cf::MAP_LOADING);
1928		2261
1929	$self->alloc;	2262	$self->alloc;
1930		2263
1931	$self->pre_load;	2264	$self->pre_load;
1932	cf::cede_to_tick;	2265	cf::cede_to_tick;
1933		2266
		2267	if (exists $self->{load_path}) {
1934	my $f = new_from_file cf::object::thawer $self->{load_path};	2268	my $f = new_from_file cf::object::thawer $self->{load_path};
1935	$f->skip_block;	2269	$f->skip_block;
1936	$self->_load_objects ($f)	2270	$self->_load_objects ($f)
1937	or return;	2271	or return;
1938		2272
1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1940	if delete $self->{load_original};	2274	if delete $self->{load_original};
1941		2275
1942	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1943	utf8::encode $uniq;	2277	utf8::encode $uniq;
1944	unless (aio_stat $uniq) {	2278	unless (aio_stat $uniq) {
1945	if (my $f = new_from_file cf::object::thawer $uniq) {	2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1946	$self->clear_unique_items;	2280	$self->clear_unique_items;
1947	$self->_load_objects ($f);	2281	$self->_load_objects ($f);
1948	$f->resolve_delayed_derefs;	2282	$f->resolve_delayed_derefs;
		2283	}
1949	}	2284	}
1950	}	2285	}
1951	}
1952		2286
1953	$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);
1954		2294
1955	cf::cede_to_tick;	2295	cf::cede_to_tick;
1956	# now do the right thing for maps	2296	# now do the right thing for maps
1957	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1958	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
…		…
1962	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1963	$self->decay_objects;	2303	$self->decay_objects;
1964	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1965	$self->update_buttons;	2305	$self->update_buttons;
1966	cf::cede_to_tick;	2306	cf::cede_to_tick;
1967	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1968	cf::cede_to_tick;
1969	$self->activate;
1970	}	2308	}
1971		2309
1972	$self->{last_save} = $cf::RUNTIME;	2310	$self->{last_save} = $cf::RUNTIME;
1973	$self->last_access ($cf::RUNTIME);	2311	$self->last_access ($cf::RUNTIME);
1974
1975	$self->in_memory (cf::MAP_IN_MEMORY);
1976	}	2312	}
1977		2313
1978	$self->post_load;	2314	$self->post_load;
1979	}
1980		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1981	sub customise_for {	2322	sub customise_for {
1982	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1983		2324
1984	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1985	if $self->per_player;	2326	if $self->per_player;
…		…
1988	# if $self->per_party;	2329	# if $self->per_party;
1989		2330
1990	$self	2331	$self
1991	}	2332	}
1992		2333
1993	# find and load all maps in the 3x3 area around a map
1994	sub load_neighbours {
1995	my ($map) = @_;
1996
1997	my @neigh; # diagonal neighbours
1998
1999	for (0 .. 3) {
2000	my $neigh = $map->tile_path ($_)
2001	or next;
2002	$neigh = find $neigh, $map
2003	or next;
2004	$neigh->load;
2005
2006	push @neigh,
2007	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2008	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2009	}
2010
2011	for (grep defined $_->[0], @neigh) {
2012	my ($path, $origin) = @$_;
2013	my $neigh = find $path, $origin
2014	or next;
2015	$neigh->load;
2016	}
2017	}
2018
2019	sub find_sync {	2334	sub find_sync {
2020	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
2021		2336
2022	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, $origin
2023	}	2342	}
2024		2343
2025	sub do_load_sync {	2344	sub do_load_sync {
2026	my ($map) = @_;	2345	my ($map) = @_;
2027		2346
		2347	# it's a bug to call this from the main context
2028	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2029	if $Coro::current == $Coro::main;	2349	if $Coro::current == $Coro::main;
2030		2350
2031	cf::sync_job { $map->load };	2351	$map->load;
2032	}	2352	}
2033		2353
2034	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
2035	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
2036		2356
2037	sub find_async {	2357	sub find_async {
2038	my ($path, $origin, $load) = @_;	2358	my ($path, $origin, $load) = @_;
2039		2359
2040	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
2041		2361
2042	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
2044	}	2364	}
2045		2365
2046	$MAP_PREFETCH{$path} |= $load;	2366	$MAP_PREFETCH{$path} |= $load;
2047		2367
2048	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
2049	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
2050	while (my ($k, $v) = each %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
2051	if (my $map = find $k) {	2373	if (my $map = find $k) {
2052	$map->load if $v;	2374	$map->load if $v;
2053	}	2375	}
…		…
2060	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
2061		2383
2062	()	2384	()
2063	}	2385	}
2064		2386
		2387	# common code, used by both ->save and ->swapout
2065	sub save {	2388	sub _save {
2066	my ($self) = @_;	2389	my ($self) = @_;
2067
2068	my $lock = cf::lock_acquire "map_data:$self->{path}";
2069		2390
2070	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
2071		2392
2072	return unless $self->dirty;	2393	return unless $self->dirty;
2073		2394
…		…
2079	return if $self->{deny_save};	2400	return if $self->{deny_save};
2080		2401
2081	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
2082		2403
2083	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
2084	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
2085	};	2407	};
		2408
		2409	cf::get_slot 0.02;
2086		2410
2087	if ($uniq) {	2411	if ($uniq) {
2088	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2089	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2090	} else {	2414	} else {
2091	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2092	}	2416	}
2093	}	2417	}
2094		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
2095	sub swap_out {	2427	sub swap_out {
2096	my ($self) = @_;	2428	my ($self) = @_;
2097		2429
2098	# save first because save cedes
2099	$self->save;
2100
2101	my $lock = cf::lock_acquire "map_data:$self->{path}";	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
2102		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
2103	return if $self->players;	2434	return if $self->players;
2104	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
2105	return if $self->{deny_save};	2452	return 1e99 if $self->{deny_reset};
2106		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
2107	$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};
2108		2486
2109	$self->deactivate;	2487	$self->deactivate;
2110	$_->clear_links_to ($self) for values %cf::MAP;	2488	$_->clear_links_to ($self) for values %cf::MAP;
2111	$self->clear;	2489	$self->clear;
2112	}
2113
2114	sub reset_at {
2115	my ($self) = @_;
2116
2117	# TODO: safety, remove and allow resettable per-player maps
2118	return 1e99 if $self->{deny_reset};
2119
2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2122
2123	$time + $to
2124	}
2125
2126	sub should_reset {
2127	my ($self) = @_;
2128
2129	$self->reset_at <= $cf::RUNTIME
2130	}
2131
2132	sub reset {
2133	my ($self) = @_;
2134
2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
2136
2137	return if $self->players;
2138
2139	warn "resetting map ", $self->path;
2140
2141	$self->in_memory (cf::MAP_SWAPPED);
2142
2143	# need to save uniques path
2144	unless ($self->{deny_save}) {
2145	my $uniq = $self->uniq_path; utf8::encode $uniq;
2146
2147	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2148	if $uniq;
2149	}
2150
2151	delete $cf::MAP{$self->path};
2152
2153	$self->deactivate;
2154	$_->clear_links_to ($self) for values %cf::MAP;
2155	$self->clear;
2156		2490
2157	$self->unlink_save;	2491	$self->unlink_save;
2158	$self->destroy;	2492	$self->destroy;
2159	}	2493	}
2160		2494
…		…
2168		2502
2169	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2170		2504
2171	$self->unlink_save;	2505	$self->unlink_save;
2172		2506
2173	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2174	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2175	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2176	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2178		2512
…		…
2227		2561
2228	sub unique_maps() {	2562	sub unique_maps() {
2229	[	2563	[
2230	map {	2564	map {
2231	utf8::decode $_;	2565	utf8::decode $_;
2232	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2233	? normalise $_	2569	: normalise $_
2234	: ()
2235	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2236	]	2571	]
2237	}	2572	}
2238		2573
2239	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	}
2240		2605
2241	=back	2606	=back
2242		2607
2243	=head3 cf::object	2608	=head3 cf::object
2244		2609
…		…
2248		2613
2249	=over 4	2614	=over 4
2250		2615
2251	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2252		2617
2253	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.
2254		2620
2255	=cut	2621	=cut
2256		2622
2257	sub inv_recursive_;	2623	sub inv_recursive_;
2258	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2263	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2264	}	2630	}
2265		2631
2266	=item $ref = $ob->ref	2632	=item $ref = $ob->ref
2267		2633
2268	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.
2269		2635
2270	=item $ob = cf::object::deref ($refstring)	2636	=item $ob = cf::object::deref ($refstring)
2271		2637
2272	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,
2273	even if the object actually exists. May block.	2639	even if the object actually exists. May block.
…		…
2275	=cut	2641	=cut
2276		2642
2277	sub deref {	2643	sub deref {
2278	my ($ref) = @_;	2644	my ($ref) = @_;
2279		2645
2280	# temporary compatibility#TODO#remove
2281	$ref =~ s{^<}{player/<};
2282
2283	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2646	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2284	my ($uuid, $name) = ($1, $2);	2647	my ($uuid, $name) = ($1, $2);
2285	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2648	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2286	or return;	2649	or return;
2287	$pl->ob->uuid eq $uuid	2650	$pl->ob->uuid eq $uuid
2288	or return;	2651	or return;
…		…
2308	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
2309	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2310		2673
2311	=cut	2674	=cut
2312		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
2313	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2314	# with dialog boxes.	2691	# with dialog boxes.
2315	#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
2316	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
2317	my ($self, $npc, $msg, $flags) = @_;	2694	my ($self, $npc, $msg, $flags) = @_;
…		…
2328	my $dialog = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2329	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2330		2707
2331	} else {	2708	} else {
2332	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2333	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2334	}	2711	}
2335	}	2712	}
2336	}	2713	}
2337		2714
2338	=item $object->send_msg ($channel, $msg, $color, [extra...])	2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2363		2740
2364	=item $player_object->enter_link	2741	=item $player_object->enter_link
2365		2742
2366	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}>).
2367		2744
2368	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.
2369	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.
2370		2749
2371	Will never block.	2750	Will never block.
2372		2751
2373	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2374		2753
…		…
2394	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2395	my ($self) = @_;	2774	my ($self) = @_;
2396		2775
2397	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2398		2777
		2778	++$self->{_link_recursion};
		2779
2399	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2400		2781
2401	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2402	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2403		2784
2404	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2405	}	2786	}
2406		2787
2407	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2408	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2409		2790
…		…
2426	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2427	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2428		2809
2429	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2430	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2431	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2432		2813
2433	$map->load;	2814	$map->load;
2434	$map->load_neighbours;
2435		2815
2436	return unless $self->contr->active;	2816	return unless $self->contr->active;
2437	$self->activate_recursive;
2438		2817
2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2440	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2441	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2442		2825
		2826	}
		2827
2443	=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)]])
2444		2829
2445	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
2446	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2447	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
2448	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
2449	be called at the end of this process.	2834	be called at the end of this process.
2450		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
2451	=cut	2839	=cut
2452		2840
2453	our $GOTOGEN;	2841	our $GOTOGEN;
2454		2842
2455	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2456	my ($self, $path, $x, $y, $check, $done) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
2457		2845
		2846	if ($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	}
		2851
2458	# 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
2459	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2460		2854
2461	$self->enter_link;	2855	$self->enter_link;
2462		2856
2463	(async {	2857	(async {
		2858	$Coro::current->{desc} = "player::goto $path $x $y";
		2859
2464	# *tag paths override both path and x|y	2860	# *tag paths override both path and x|y
2465	if ($path =~ /^\*(.*)$/) {	2861	if ($path =~ /^\*(.*)$/) {
2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {	2862	if (my @obs = grep $_->map, ext::map_tags::find $1) {
2467	my $ob = $obs[rand @obs];	2863	my $ob = $obs[rand @obs];
2468		2864
…		…
2479	($path, $x, $y) = (undef, undef, undef);	2875	($path, $x, $y) = (undef, undef, undef);
2480	}	2876	}
2481	}	2877	}
2482		2878
2483	my $map = eval {	2879	my $map = eval {
2484	my $map = defined $path ? cf::map::find $path : undef;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2485		2881
2486	if ($map) {	2882	if ($map) {
2487	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2488	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2489	} else {	2885	} else {
2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2491	}	2887	}
2492		2888
2493	$map	2889	$map
…		…
2501	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2502	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2503	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2504	}	2900	}
2505		2901
2506	$done->() if $done;	2902	$done->($self) if $done;
2507	})->prio (1);	2903	})->prio (1);
2508	}	2904	}
2509		2905
2510	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2511		2907
…		…
2531	}	2927	}
2532		2928
2533	sub prepare_random_map {	2929	sub prepare_random_map {
2534	my ($exit) = @_;	2930	my ($exit) = @_;
2535		2931
2536	my $guard = cf::lock_acquire "exit_prepare:$exit";
2537
2538	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2539	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2540	# that depends on the exit object	2934	# that depends on the exit object
2541		2935
2542	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2544	if ($exit->map) {	2938	if ($exit->map) {
2545	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2546	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2547	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2548	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2549	}	2945	}
2550		2946
2551	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2552		2948
2553	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2554	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2555	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2556		2952
2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2558	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2559	undef $fh;	2955	undef $fh;
2560	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2561		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2562	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2563	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2564	}	2964	}
2565	}	2965	}
2566		2966
2567	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2568	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2569		2969
2570	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2571		2971
2572	if ($exit->slaying eq "/!") {
2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
2574	# the problem is that $exit might not survive long enough
2575	# so it needs to be done right now, right here
2576	cf::sync_job { prepare_random_map $exit };
2577	}
2578
2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2580	my $hp = $exit->stats->hp;
2581	my $sp = $exit->stats->sp;
2582
2583	$self->enter_link;	2972	$self->enter_link;
2584		2973
2585	# if exit is damned, update players death & WoR home-position
2586	$self->contr->savebed ($slaying, $hp, $sp)
2587	if $exit->flag (FLAG_DAMNED);
2588
2589	(async {	2974	(async {
2590	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2591	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
2592	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2593		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
2594	1;	3013	1
2595	}) {	3014	}) {
2596	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2597	. "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. "
2598	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2599	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2600		3019
2601	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2602	$self->leave_link;	3021	$self->leave_link;
2603	}	3022	}
2604	})->prio (1);	3023	})->prio (1);
2605	}	3024	}
2606		3025
…		…
2618	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
2619	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
2620		3039
2621	utf8::encode $text;	3040	utf8::encode $text;
2622	$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);
2623	}	3067	}
2624		3068
2625	=item $client->send_msg ($channel, $msg, $color, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2626		3070
2627	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2629	the message, with C<log> being the default. If C<$color> is negative, suppress	3073	the message, with C<log> being the default. If C<$color> is negative, suppress
2630	the message unless the client supports the msg packet.	3074	the message unless the client supports the msg packet.
2631		3075
2632	=cut	3076	=cut
2633		3077
		3078	# non-persistent channels (usually the info channel)
2634	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	},
2635	"c/identify" => {	3086	"c/identify" => {
2636	id => "identify",	3087	id => "infobox",
2637	title => "Identify",	3088	title => "Identify",
2638	reply => undef,	3089	reply => undef,
2639	tooltip => "Items recently identified",	3090	tooltip => "Items recently identified",
2640	},	3091	},
2641	"c/examine" => {	3092	"c/examine" => {
2642	id => "examine",	3093	id => "infobox",
2643	title => "Examine",	3094	title => "Examine",
2644	reply => undef,	3095	reply => undef,
2645	tooltip => "Signs and other items you examined",	3096	tooltip => "Signs and other items you examined",
2646	},	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	},
		3110	"c/lookat" => {
		3111	id => "infobox",
		3112	title => "Look",
		3113	reply => undef,
		3114	tooltip => "What you saw there",
		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" => $CHAT_CHANNEL,
2647	);	3190	);
2648		3191
2649	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2650	my ($self, $channel, $msg, $color, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2651		3194
2652	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
2653		3197
2654	$color &= cf::NDI_CLIENT_MASK; # just in case...	3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
2655		3199
2656	# check predefined channels, for the benefit of C	3200	# check predefined channels, for the benefit of C
2657	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};	3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
2658		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
2659	if (ref $channel) {	3207	} elsif (ref $channel) {
2660	# send meta info to client, if not yet sent	3208	# send meta info to client, if not yet sent
2661	unless (exists $self->{channel}{$channel->{id}}) {	3209	unless (exists $self->{channel}{$channel->{id}}) {
2662	$self->{channel}{$channel->{id}} = $channel;	3210	$self->{channel}{$channel->{id}} = $channel;
2663	$self->ext_msg (channel_info => $channel)	3211	$self->ext_msg (channel_info => $channel);
2664	if $self->can_msg;
2665	}	3212	}
2666		3213
2667	$channel = $channel->{id};	3214	$channel = $channel->{id};
2668	}	3215	}
2669		3216
2670	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2671		3218
2672	if ($self->can_msg) {
2673	# default colour, mask it out	3219	# default colour, mask it out
2674	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2675	if $color & cf::NDI_DEF;	3221	if $color & cf::NDI_DEF;
2676		3222
2677	$self->send_packet ("msg " . $self->{json_coder}->encode (	3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
2678	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2679	} else {	3226	);
2680	if ($color >= 0) {
2681	# replace some tags by gcfclient-compatible ones
2682	for ($msg) {
2683	1 while
2684	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2685	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2686	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2687	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2688	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2689	}
2690		3227
2691	$color &= cf::NDI_COLOR_MASK;	3228	$self->send_big_packet ($pkt);
2692
2693	utf8::encode $msg;
2694
2695	if (0 && $msg =~ /\[/) {
2696	# COMMAND/INFO
2697	$self->send_packet ("drawextinfo $color 10 8 $msg")
2698	} else {
2699	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2700	$self->send_packet ("drawinfo $color $msg")
2701	}
2702	}
2703	}
2704	}	3229	}
2705		3230
2706	=item $client->ext_msg ($type, @msg)	3231	=item $client->ext_msg ($type, @msg)
2707		3232
2708	Sends an ext event to the client.	3233	Sends an ext event to the client.
…		…
2711		3236
2712	sub cf::client::ext_msg($$@) {	3237	sub cf::client::ext_msg($$@) {
2713	my ($self, $type, @msg) = @_;	3238	my ($self, $type, @msg) = @_;
2714		3239
2715	if ($self->extcmd == 2) {	3240	if ($self->extcmd == 2) {
2716	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2717	} elsif ($self->extcmd == 1) { # TODO: remove	3242	} elsif ($self->extcmd == 1) { # TODO: remove
2718	push @msg, msgtype => "event_$type";	3243	push @msg, msgtype => "event_$type";
2719	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2720	}	3245	}
2721	}	3246	}
2722		3247
2723	=item $client->ext_reply ($msgid, @msg)	3248	=item $client->ext_reply ($msgid, @msg)
2724		3249
…		…
2727	=cut	3252	=cut
2728		3253
2729	sub cf::client::ext_reply($$@) {	3254	sub cf::client::ext_reply($$@) {
2730	my ($self, $id, @msg) = @_;	3255	my ($self, $id, @msg) = @_;
2731		3256
2732	if ($self->extcmd == 2) {	3257	return unless $self->extcmd == 2;
		3258
2733	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2734	} elsif ($self->extcmd == 1) {
2735	#TODO: version 1, remove
2736	unshift @msg, msgtype => "reply", msgid => $id;
2737	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2738	}
2739	}	3260	}
2740		3261
2741	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2742		3263
2743	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
…		…
2798	my ($ns, $buf) = @_;	3319	my ($ns, $buf) = @_;
2799		3320
2800	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2801		3322
2802	if (ref $msg) {	3323	if (ref $msg) {
2803	my ($type, $reply, @payload) =	3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2804	"ARRAY" eq ref $msg
2805	? @$msg
2806	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2807		3325
2808	my @reply;	3326	my @reply;
2809		3327
2810	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTICMD{$type}) {
2811	@reply = $cb->($ns, @payload);	3329	@reply = $cb->($ns, @payload);
…		…
2813		3331
2814	$ns->ext_reply ($reply, @reply)	3332	$ns->ext_reply ($reply, @reply)
2815	if $reply;	3333	if $reply;
2816		3334
2817	} else {	3335	} else {
2818	warn "client " . ($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";
2819	}	3337	}
2820		3338
2821	cf::override;	3339	cf::override;
2822	},	3340	},
2823	);	3341	);
…		…
2843		3361
2844	$coro	3362	$coro
2845	}	3363	}
2846		3364
2847	cf::client->attach (	3365	cf::client->attach (
2848	on_destroy => sub {	3366	on_client_destroy => sub {
2849	my ($ns) = @_;	3367	my ($ns) = @_;
2850		3368
2851	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2852	},	3370	},
2853	);	3371	);
…		…
2869	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2870		3388
2871	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2872		3390
2873	$safe->permit_only (Opcode::opset qw(	3391	$safe->permit_only (Opcode::opset qw(
2874	:base_core :base_mem :base_orig :base_math	3392	:base_core :base_mem :base_orig :base_math :base_loop
2875	grepstart grepwhile mapstart mapwhile	3393	grepstart grepwhile mapstart mapwhile
2876	sort time	3394	sort time
2877	));	3395	));
2878		3396
2879	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
…		…
2881	=pod	3399	=pod
2882		3400
2883	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2884		3402
2885	cf::object	3403	cf::object
2886	contr pay_amount pay_player map x y force_find force_add	3404	contr pay_amount pay_player map x y force_find force_add destroy
2887	insert remove name archname title slaying race decrease_ob_nr	3405	insert remove name archname title slaying race decrease split
		3406	value
2888		3407
2889	cf::object::player	3408	cf::object::player
2890	player	3409	player
2891		3410
2892	cf::player	3411	cf::player
…		…
2897		3416
2898	=cut	3417	=cut
2899		3418
2900	for (	3419	for (
2901	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2902	insert remove inv name archname title slaying race	3421	insert remove inv nrof name archname title slaying race
2903	decrease_ob_nr)],	3422	decrease split destroy change_exp value msg lore send_msg)],
2904	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2905	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2906	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2907	) {	3426	) {
2908	no strict 'refs';
2909	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2910	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2911	for @funs;	3429	for @funs;
2912	}	3430	}
2913		3431
…		…
2928		3446
2929	my $qcode = $code;	3447	my $qcode = $code;
2930	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2931	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2932		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2933	local $_;	3454	local $_;
2934	local @safe::cf::_safe_eval_args = values %vars;
2935		3455
2936	my $eval =	3456	my $eval =
2937	"do {\n"	3457	"do {\n"
2938	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2939	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2940	. $code	3460	. $code
2941	. "\n}"	3461	. "\n}"
2942	;	3462	;
2943		3463
		3464	if ($CFG{safe_eval}) {
2944	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2945	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2946	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
2947		3473
2948	if ($@) {	3474	if ($@) {
2949	warn "$@";	3475	warn "$@",
2950	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
2951	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
2952	}	3478	}
2953		3479
2954	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
2955	}	3481	}
2956		3482
…		…
2970	=cut	3496	=cut
2971		3497
2972	sub register_script_function {	3498	sub register_script_function {
2973	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
2974		3500
2975	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
2976	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
2977	}	3503	}
2978		3504
2979	=back	3505	=back
2980		3506
2981	=cut	3507	=cut
2982		3508
2983	#############################################################################	3509	#############################################################################
2984	# 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
2985		3513
2986	sub load_facedata($) {	3514	sub load_facedata($) {
2987	my ($path) = @_;	3515	my ($path) = @_;
2988		3516
2989	# 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
2990	# for this (global event?)	3518	# for this (global event?)
2991	%ext::player_env::MUSIC_FACE_CACHE = ();	3519	%ext::player_env::MUSIC_FACE_CACHE = ();
2992		3520
2993	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3521	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2994		3522
2995	warn "loading facedata from $path\n";	3523	trace "loading facedata from $path\n";
2996		3524
2997	my $facedata;	3525	my $facedata = decode_storable load_file $path;
2998	0 < aio_load $path, $facedata
2999	or die "$path: $!";
3000
3001	$facedata = Coro::Storable::thaw $facedata;
3002		3526
3003	$facedata->{version} == 2	3527	$facedata->{version} == 2
3004	or cf::cleanup "$path: version mismatch, cannot proceed.";	3528	or cf::cleanup "$path: version mismatch, cannot proceed.";
3005		3529
3006	# 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]);
3007	$facedata->{resource}{"res/exp_table"} = {	3532	$facedata->{resource}{"res/exp_table"} = {
3008	type => FT_RSRC,	3533	type => FT_RSRC,
3009	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),
3010	};	3536	};
3011	cf::cede_to_tick;	3537	cf::cede_to_tick;
3012		3538
3013	{	3539	{
3014	my $faces = $facedata->{faceinfo};	3540	my $faces = $facedata->{faceinfo};
3015		3541
3016	while (my ($face, $info) = each %$faces) {	3542	for my $face (sort keys %$faces) {
		3543	my $info = $faces->{$face};
3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3544	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3545
3018	cf::face::set_visibility $idx, $info->{visibility};	3546	cf::face::set_visibility $idx, $info->{visibility};
3019	cf::face::set_magicmap $idx, $info->{magicmap};	3547	cf::face::set_magicmap $idx, $info->{magicmap};
3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3548	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3021	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}} = $idx;#d#
3022		3552
3023	cf::cede_to_tick;	3553	cf::cede_to_tick;
3024	}	3554	}
3025		3555
3026	while (my ($face, $info) = each %$faces) {	3556	while (my ($face, $info) = each %$faces) {
3027	next unless $info->{smooth};	3557	next unless $info->{smooth};
		3558
3028	my $idx = cf::face::find $face	3559	my $idx = cf::face::find $face
3029	or next;	3560	or next;
		3561
3030	if (my $smooth = cf::face::find $info->{smooth}) {	3562	if (my $smooth = cf::face::find $info->{smooth}) {
3031	cf::face::set_smooth $idx, $smooth;	3563	cf::face::set_smooth $idx, $smooth;
3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3564	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3033	} else {	3565	} else {
3034	warn "smooth face '$info->{smooth}' not found for face '$face'";	3566	error "smooth face '$info->{smooth}' not found for face '$face'";
3035	}	3567	}
3036		3568
3037	cf::cede_to_tick;	3569	cf::cede_to_tick;
3038	}	3570	}
3039	}	3571	}
…		…
3048		3580
3049	cf::anim::invalidate_all; # d'oh	3581	cf::anim::invalidate_all; # d'oh
3050	}	3582	}
3051		3583
3052	{	3584	{
3053	# TODO: for gcfclient pleasure, we should give resources
3054	# that gcfclient doesn't grok a >10000 face index.
3055	my $res = $facedata->{resource};	3585	my $res = $facedata->{resource};
3056		3586
3057	my $soundconf = delete $res->{"res/sound.conf"};
3058
3059	while (my ($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
3060	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3590	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3061	my $data;
3062		3591
3063	if ($info->{type} & 1) {	3592	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3064	# prepend meta info	3593	cf::face::set_type $idx, $type;
3065		3594	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3066	my $meta = $enc->encode ({	3595	$FACEHASH{$info->{hash}} = $idx;#d#
3067	name => $name,
3068	%{ $info->{meta} || {} },
3069	});
3070
3071	$data = pack "(w/a*)*", $meta, $info->{data};
3072	} else {	3596	} else {
3073	$data = $info->{data};	3597	# $RESOURCE{$name} = $info; # unused
3074	}	3598	}
3075		3599
3076	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3077	cf::face::set_type $idx, $info->{type};
3078
3079	cf::cede_to_tick;	3600	cf::cede_to_tick;
3080	}	3601	}
3081
3082	if ($soundconf) {
3083	$soundconf = $enc->decode (delete $soundconf->{data});
3084
3085	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3086	my $sound = $soundconf->{compat}[$_]
3087	or next;
3088
3089	my $face = cf::face::find "sound/$sound->[1]";
3090	cf::sound::set $sound->[0] => $face;
3091	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3092	}
3093
3094	while (my ($k, $v) = each %{$soundconf->{event}}) {
3095	my $face = cf::face::find "sound/$v";
3096	cf::sound::set $k => $face;
3097	}
3098	}
3099	}	3602	}
		3603
		3604	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3100		3605
3101	1	3606	1
3102	}	3607	}
3103		3608
3104	register_exticmd fx_want => sub {	3609	register_exticmd fx_want => sub {
…		…
3106		3611
3107	while (my ($k, $v) = each %$want) {	3612	while (my ($k, $v) = each %$want) {
3108	$ns->fx_want ($k, $v);	3613	$ns->fx_want ($k, $v);
3109	}	3614	}
3110	};	3615	};
		3616
		3617	sub load_resource_file($) {
		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	$status
		3625	}
3111		3626
3112	sub reload_regions {	3627	sub reload_regions {
3113	# HACK to clear player env face cache, we need some signal framework	3628	# HACK to clear player env face cache, we need some signal framework
3114	# for this (global event?)	3629	# for this (global event?)
3115	%ext::player_env::MUSIC_FACE_CACHE = ();	3630	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3129	}	3644	}
3130		3645
3131	sub reload_archetypes {	3646	sub reload_archetypes {
3132	load_resource_file "$DATADIR/archetypes"	3647	load_resource_file "$DATADIR/archetypes"
3133	or die "unable to load archetypes\n";	3648	or die "unable to load archetypes\n";
3134	#d# NEED to laod twice to resolve forward references
3135	# this really needs to be done in an extra post-pass
3136	# (which needs to be synchronous, so solve it differently)
3137	load_resource_file "$DATADIR/archetypes"
3138	or die "unable to load archetypes\n";
3139	}	3649	}
3140		3650
3141	sub reload_treasures {	3651	sub reload_treasures {
3142	load_resource_file "$DATADIR/treasures"	3652	load_resource_file "$DATADIR/treasures"
3143	or die "unable to load treasurelists\n";	3653	or die "unable to load treasurelists\n";
3144	}	3654	}
3145		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
3146	sub reload_resources {	3676	sub reload_resources {
3147	warn "reloading resource files...\n";	3677	trace "reloading resource files...\n";
3148		3678
		3679	reload_exp_table;
		3680	reload_materials;
		3681	reload_facedata;
		3682	reload_sound;
		3683	reload_archetypes;
3149	reload_regions;	3684	reload_regions;
3150	reload_facedata;
3151	#reload_archetypes;#d#
3152	reload_archetypes;
3153	reload_treasures;	3685	reload_treasures;
3154		3686
3155	warn "finished reloading resource files\n";	3687	trace "finished reloading resource files\n";
3156	}
3157
3158	sub init {
3159	reload_resources;
3160	}	3688	}
3161		3689
3162	sub reload_config {	3690	sub reload_config {
3163	open my $fh, "<:utf8", "$CONFDIR/config"	3691	trace "reloading config file...\n";
3164	or return;
3165		3692
3166	local $/;	3693	my $config = load_file "$CONFDIR/config";
3167	*CFG = YAML::Syck::Load <$fh>;	3694	utf8::decode $config;
		3695	*CFG = decode_yaml $config;
3168		3696
3169	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3170		3698
3171	$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};
3172	$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};
3173		3701
3174	if (exists $CFG{mlockall}) {	3702	if (exists $CFG{mlockall}) {
…		…
3178	};	3706	};
3179	warn $@ if $@;	3707	warn $@ if $@;
3180	}	3708	}
3181	}	3709	}
3182		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
3183	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
3184	# we must not ever block the main coroutine	3749	# we must not ever block the main coroutine
3185	local $Coro::idle = sub {	3750	$Coro::idle = sub {
3186	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#
3187	(async {	3752	(async {
3188	Event::one_event;	3753	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3754	EV::loop EV::LOOP_ONESHOT;
3189	})->prio (Coro::PRIO_MAX);	3755	})->prio (Coro::PRIO_MAX);
3190	};	3756	};
3191		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;
3192	reload_config;	3770	reload_config;
3193	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
3194	load_extensions;	3781	load_extensions;
3195		3782
3196	$TICK_WATCHER->start;	3783	utime time, time, $RUNTIMEFILE;
3197	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;
3198	}	3800	}
3199		3801
3200	#############################################################################	3802	#############################################################################
3201	# initialisation and cleanup	3803	# initialisation and cleanup
3202		3804
3203	# install some emergency cleanup handlers	3805	# install some emergency cleanup handlers
3204	BEGIN {	3806	BEGIN {
		3807	our %SIGWATCHER = ();
3205	for my $signal (qw(INT HUP TERM)) {	3808	for my $signal (qw(INT HUP TERM)) {
3206	Event->signal (	3809	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3207	reentrant => 0,
3208	data => WF_AUTOCANCEL,
3209	signal => $signal,
3210	prio => 0,
3211	cb => sub {
3212	cf::cleanup "SIG$signal";	3810	cf::cleanup "SIG$signal";
3213	},
3214	);	3811	};
3215	}	3812	}
3216	}	3813	}
3217		3814
3218	sub write_runtime {	3815	sub write_runtime_sync {
3219	my $runtime = "$LOCALDIR/runtime";	3816	my $t0 = AE::time;
3220		3817
3221	# first touch the runtime file to show we are still running:	3818	# first touch the runtime file to show we are still running:
3222	# the fsync below can take a very very long time.	3819	# the fsync below can take a very very long time.
3223		3820
3224	IO::AIO::aio_utime $runtime, undef, undef;	3821	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3225		3822
3226	my $guard = cf::lock_acquire "write_runtime";	3823	my $guard = cf::lock_acquire "write_runtime";
3227		3824
3228	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3825	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3229	or return;	3826	or return;
3230		3827
3231	my $value = $cf::RUNTIME + 90 + 10;	3828	my $value = $cf::RUNTIME + 90 + 10;
3232	# 10 is the runtime save interval, for a monotonic clock	3829	# 10 is the runtime save interval, for a monotonic clock
3233	# 60 allows for the watchdog to kill the server.	3830	# 60 allows for the watchdog to kill the server.
…		…
3243	aio_utime $fh, undef, undef;	3840	aio_utime $fh, undef, undef;
3244		3841
3245	close $fh	3842	close $fh
3246	or return;	3843	or return;
3247		3844
3248	aio_rename "$runtime~", $runtime	3845	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3249	and return;	3846	and return;
3250		3847
3251	warn "runtime file written.\n";	3848	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3252		3849
3253	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 };
3254	}	3901	}
3255		3902
3256	sub emergency_save() {	3903	sub emergency_save() {
3257	my $freeze_guard = cf::freeze_mainloop;	3904	my $freeze_guard = cf::freeze_mainloop;
3258		3905
3259	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;
3260		3912
3261	cf::sync_job {	3913	cf::sync_job {
		3914	cf::write_runtime_sync; # external watchdog should not bark
		3915
3262	# use a peculiar iteration method to avoid tripping on perl	3916	# use a peculiar iteration method to avoid tripping on perl
3263	# refcount bugs in for. also avoids problems with players	3917	# refcount bugs in for. also avoids problems with players
3264	# and maps saved/destroyed asynchronously.	3918	# and maps saved/destroyed asynchronously.
3265	warn "begin emergency player save\n";	3919	info "emergency_perl_save: begin player save\n";
3266	for my $login (keys %cf::PLAYER) {	3920	for my $login (keys %cf::PLAYER) {
3267	my $pl = $cf::PLAYER{$login} or next;	3921	my $pl = $cf::PLAYER{$login} or next;
3268	$pl->valid or next;	3922	$pl->valid or next;
		3923	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3269	$pl->save;	3924	$pl->save;
3270	}	3925	}
3271	warn "end emergency player save\n";	3926	info "emergency_perl_save: end player save\n";
3272		3927
3273	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";
3274	for my $path (keys %cf::MAP) {	3931	for my $path (keys %cf::MAP) {
3275	my $map = $cf::MAP{$path} or next;	3932	my $map = $cf::MAP{$path} or next;
3276	$map->valid or next;	3933	$map->valid or next;
3277	$map->save;	3934	$map->save;
3278	}	3935	}
3279	warn "end emergency map save\n";	3936	info "emergency_perl_save: end map save\n";
3280		3937
3281	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";
3282	BDB::db_env_txn_checkpoint $DB_ENV;	3941	BDB::db_env_txn_checkpoint $DB_ENV;
3283	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 $DB_ENV;
		3952
		3953	info "emergency_perl_save: starting sync\n";
		3954	IO::AIO::aio_sync sub {
		3955	info "emergency_perl_save: finished sync\n";
		3956	};
		3957
		3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	trace "emergency_perl_save: flushing outstanding aio requests";
		3961	while (IO::AIO::nreqs || BDB::nreqs) {
		3962	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3963	}
		3964
		3965	cf::write_runtime_sync; # external watchdog should not bark
3284	};	3966	};
3285		3967
3286	warn "leave emergency perl save\n";	3968	info "emergency_perl_save: leave\n";
3287	}	3969	}
3288		3970
3289	sub post_cleanup {	3971	sub post_cleanup {
3290	my ($make_core) = @_;	3972	my ($make_core) = @_;
3291		3973
		3974	IO::AIO::flush;
		3975
3292	warn Carp::longmess "post_cleanup backtrace"	3976	error Carp::longmess "post_cleanup backtrace"
3293	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	}
3294	}	4006	}
3295		4007
3296	sub do_reload_perl() {	4008	sub do_reload_perl() {
3297	# can/must only be called in main	4009	# can/must only be called in main
3298	if ($Coro::current != $Coro::main) {	4010	unless (in_main) {
3299	warn "can only reload from main coroutine";	4011	error "can only reload from main coroutine";
3300	return;	4012	return;
3301	}	4013	}
3302		4014
3303	warn "reloading...";	4015	return if $RELOAD++;
3304		4016
3305	warn "entering sync_job";	4017	my $t1 = AE::time;
3306		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
3307	cf::sync_job {	4025	cf::sync_job {
3308	cf::write_runtime; # external watchdog should not bark
3309	cf::emergency_save;	4026	#cf::emergency_save;
3310	cf::write_runtime; # external watchdog should not bark
3311		4027
3312	warn "syncing database to disk";
3313	BDB::db_env_txn_checkpoint $DB_ENV;
3314
3315	# if anything goes wrong in here, we should simply crash as we already saved
3316
3317	warn "cancelling all WF_AUTOCANCEL watchers";
3318	for (Event::all_watchers) {
3319	$_->cancel if $_->data & WF_AUTOCANCEL;
3320	}
3321
3322	warn "flushing outstanding aio requests";
3323	for (;;) {
3324	BDB::flush;
3325	IO::AIO::flush;
3326	Coro::cede;
3327	last unless IO::AIO::nreqs || BDB::nreqs;
3328	warn "iterate...";
3329	}
3330
3331	++$RELOAD;
3332
3333	warn "cancelling all extension coros";	4028	trace "perl_reload: cancelling all extension coros";
3334	$_->cancel for values %EXT_CORO;	4029	$_->cancel for values %EXT_CORO;
3335	%EXT_CORO = ();	4030	%EXT_CORO = ();
3336		4031
3337	warn "removing commands";	4032	trace "perl_reload: removing commands";
3338	%COMMAND = ();	4033	%COMMAND = ();
3339		4034
3340	warn "removing ext/exti commands";	4035	trace "perl_reload: removing ext/exti commands";
3341	%EXTCMD = ();	4036	%EXTCMD = ();
3342	%EXTICMD = ();	4037	%EXTICMD = ();
3343		4038
3344	warn "unloading/nuking all extensions";	4039	trace "perl_reload: unloading/nuking all extensions";
3345	for my $pkg (@EXTS) {	4040	for my $pkg (@EXTS) {
3346	warn "... unloading $pkg";	4041	trace "... unloading $pkg";
3347		4042
3348	if (my $cb = $pkg->can ("unload")) {	4043	if (my $cb = $pkg->can ("unload")) {
3349	eval {	4044	eval {
3350	$cb->($pkg);	4045	$cb->($pkg);
3351	1	4046	1
3352	} 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;
3353	}	4052	}
3354		4053
3355	warn "... nuking $pkg";
3356	Symbol::delete_package $pkg;
3357	}
3358
3359	warn "unloading all perl modules loaded from $LIBDIR";	4054	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3360	while (my ($k, $v) = each %INC) {	4055	while (my ($k, $v) = each %INC) {
3361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4056	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3362		4057
3363	warn "... unloading $k";	4058	trace "... unloading $k";
3364	delete $INC{$k};	4059	delete $INC{$k};
3365		4060
3366	$k =~ s/\.pm$//;	4061	$k =~ s/\.pm$//;
3367	$k =~ s/\//::/g;	4062	$k =~ s/\//::/g;
3368		4063
3369	if (my $cb = $k->can ("unload_module")) {	4064	if (my $cb = $k->can ("unload_module")) {
3370	$cb->();	4065	$cb->();
		4066	}
		4067
		4068	clear_package $k;
3371	}	4069	}
3372		4070
3373	Symbol::delete_package $k;
3374	}
3375
3376	warn "getting rid of safe::, as good as possible";	4071	trace "perl_reload: getting rid of safe::, as good as possible";
3377	Symbol::delete_package "safe::$_"	4072	clear_package "safe::$_"
3378	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);
3379		4074
3380	warn "unloading cf.pm \"a bit\"";	4075	trace "perl_reload: unloading cf.pm \"a bit\"";
3381	delete $INC{"cf.pm"};	4076	delete $INC{"cf.pm"};
3382	delete $INC{"cf/pod.pm"};	4077	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3383		4078
3384	# don't, removes xs symbols, too,	4079	# don't, removes xs symbols, too,
3385	# and global variables created in xs	4080	# and global variables created in xs
3386	#Symbol::delete_package __PACKAGE__;	4081	#clear_package __PACKAGE__;
3387		4082
3388	warn "unload completed, starting to reload now";	4083	info "perl_reload: unload completed, starting to reload now";
3389		4084
3390	warn "reloading cf.pm";	4085	trace "perl_reload: reloading cf.pm";
3391	require cf;	4086	require cf;
3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4087	cf::_connect_to_perl_1;
3393		4088
3394	warn "loading config and database again";	4089	trace "perl_reload: loading config and database again";
3395	cf::reload_config;	4090	cf::reload_config;
3396		4091
3397	warn "loading extensions";	4092	trace "perl_reload: loading extensions";
3398	cf::load_extensions;	4093	cf::load_extensions;
3399		4094
		4095	if ($REATTACH_ON_RELOAD) {
3400	warn "reattaching attachments to objects/players";	4096	trace "perl_reload: reattaching attachments to objects/players";
3401	_global_reattach; # objects, sockets	4097	_global_reattach; # objects, sockets
3402	warn "reattaching attachments to maps";	4098	trace "perl_reload: reattaching attachments to maps";
3403	reattach $_ for values %MAP;	4099	reattach $_ for values %MAP;
3404	warn "reattaching attachments to players";	4100	trace "perl_reload: reattaching attachments to players";
3405	reattach $_ for values %PLAYER;	4101	reattach $_ for values %PLAYER;
		4102	}
3406		4103
3407	warn "leaving sync_job";	4104	cf::_post_init 1;
3408		4105
		4106	trace "perl_reload: leaving sync_job";
		4107
3409	1	4108	1
3410	} or do {	4109	} or do {
3411	warn $@;	4110	error $@;
3412	warn "error while reloading, exiting.";	4111	cf::cleanup "perl_reload: error, exiting.";
3413	exit 1;	4112	};
		4113
		4114	--$RELOAD;
3414	};	4115	}
3415		4116
3416	warn "reloaded";	4117	$t1 = AE::time - $t1;
		4118	info "perl_reload: completed in ${t1}s\n";
3417	};	4119	};
3418		4120
3419	our $RELOAD_WATCHER; # used only during reload	4121	our $RELOAD_WATCHER; # used only during reload
3420		4122
3421	sub reload_perl() {	4123	sub reload_perl() {
3422	# doing reload synchronously and two reloads happen back-to-back,	4124	# doing reload synchronously and two reloads happen back-to-back,
3423	# coro crashes during coro_state_free->destroy here.	4125	# coro crashes during coro_state_free->destroy here.
3424		4126
3425	$RELOAD_WATCHER ||= Event->timer (	4127	$RELOAD_WATCHER ||= cf::async {
3426	reentrant => 0,	4128	Coro::AIO::aio_wait cache_extensions;
3427	after => 0,	4129
3428	data => WF_AUTOCANCEL,	4130	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3429	cb => sub {
3430	do_reload_perl;	4131	do_reload_perl;
3431	undef $RELOAD_WATCHER;	4132	undef $RELOAD_WATCHER;
3432	},	4133	};
3433	);	4134	};
3434	}	4135	}
3435		4136
3436	register_command "reload" => sub {	4137	register_command "reload" => sub {
3437	my ($who, $arg) = @_;	4138	my ($who, $arg) = @_;
3438		4139
3439	if ($who->flag (FLAG_WIZ)) {	4140	if ($who->flag (FLAG_WIZ)) {
3440	$who->message ("reloading server.");	4141	$who->message ("reloading server.");
		4142	async {
		4143	$Coro::current->{desc} = "perl_reload";
3441	async { reload_perl };	4144	reload_perl;
		4145	};
3442	}	4146	}
3443	};	4147	};
3444		4148
3445	unshift @INC, $LIBDIR;	4149	#############################################################################
3446		4150
3447	my $bug_warning = 0;	4151	my $bug_warning = 0;
3448		4152
3449	our @WAIT_FOR_TICK;
3450	our @WAIT_FOR_TICK_BEGIN;
3451
3452	sub wait_for_tick {	4153	sub wait_for_tick() {
3453	return unless $TICK_WATCHER->is_active;	4154	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3454	return if $Coro::current == $Coro::main;
3455		4155
3456	my $signal = new Coro::Signal;	4156	$WAIT_FOR_TICK->wait;
3457	push @WAIT_FOR_TICK, $signal;
3458	$signal->wait;
3459	}	4157	}
3460		4158
3461	sub wait_for_tick_begin {	4159	sub wait_for_tick_begin() {
3462	return unless $TICK_WATCHER->is_active;	4160	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3463	return if $Coro::current == $Coro::main;
3464		4161
3465	my $signal = new Coro::Signal;	4162	my $signal = new Coro::Signal;
3466	push @WAIT_FOR_TICK_BEGIN, $signal;	4163	push @WAIT_FOR_TICK_BEGIN, $signal;
3467	$signal->wait;	4164	$signal->wait;
3468	}	4165	}
3469		4166
3470	$TICK_WATCHER = Event->timer (	4167	sub tick {
3471	reentrant => 0,
3472	parked => 1,
3473	prio => 0,
3474	at => $NEXT_TICK || $TICK,
3475	data => WF_AUTOCANCEL,
3476	cb => sub {
3477	if ($Coro::current != $Coro::main) {	4168	if ($Coro::current != $Coro::main) {
3478	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"
3479	unless ++$bug_warning > 10;	4170	unless ++$bug_warning > 10;
3480	return;	4171	return;
3481	}	4172	}
3482		4173
3483	$NOW = $tick_start = Event::time;	4174	cf::one_tick; # one server iteration
3484		4175
3485	cf::server_tick; # one server iteration	4176	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3486		4177
3487	$RUNTIME += $TICK;
3488	$NEXT_TICK += $TICK;
3489
3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4178	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3491	$NEXT_RUNTIME_WRITE = $NOW + 10;	4179	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3492	Coro::async_pool {	4180	Coro::async_pool {
		4181	$Coro::current->{desc} = "runtime saver";
3493	write_runtime	4182	write_runtime_sync
3494	or warn "ERROR: unable to write runtime file: $!";	4183	or error "ERROR: unable to write runtime file: $!";
3495	};
3496	}	4184	};
		4185	}
3497		4186
3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4187	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3499	$sig->send;	4188	$sig->send;
3500	}	4189	}
3501	while (my $sig = shift @WAIT_FOR_TICK) {	4190	$WAIT_FOR_TICK->broadcast;
3502	$sig->send;
3503	}
3504		4191
3505	$NOW = Event::time;	4192	$LOAD = ($NOW - $TICK_START) / $TICK;
3506
3507	# if we are delayed by four ticks or more, skip them all
3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3509
3510	$TICK_WATCHER->at ($NEXT_TICK);
3511	$TICK_WATCHER->start;
3512
3513	$LOAD = ($NOW - $tick_start) / $TICK;
3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4193	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3515		4194
3516	_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	}
3517	},	4201	}
3518	);	4202	}
3519		4203
3520	{	4204	{
		4205	# configure BDB
		4206
3521	BDB::min_parallel 8;	4207	BDB::min_parallel 16;
3522	BDB::max_poll_time $TICK * 0.1;	4208	BDB::max_poll_reqs $TICK * 0.1;
3523	$BDB_POLL_WATCHER = Event->io (	4209	#$AnyEvent::BDB::WATCHER->priority (1);
3524	reentrant => 0,
3525	fd => BDB::poll_fileno,
3526	poll => 'r',
3527	prio => 0,
3528	data => WF_AUTOCANCEL,
3529	cb => \&BDB::poll_cb,
3530	);
3531
3532	BDB::set_sync_prepare {
3533	my $status;
3534	my $current = $Coro::current;
3535	(
3536	sub {
3537	$status = $!;
3538	$current->ready; undef $current;
3539	},
3540	sub {
3541	Coro::schedule while defined $current;
3542	$! = $status;
3543	},
3544	)
3545	};
3546		4210
3547	unless ($DB_ENV) {	4211	unless ($DB_ENV) {
3548	$DB_ENV = BDB::db_env_create;	4212	$DB_ENV = BDB::db_env_create;
3549	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4213	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3550	| 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;
3551	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4216	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3552	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4217	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3553		4218
3554	cf::sync_job {	4219	cf::sync_job {
3555	eval {	4220	eval {
…		…
3565		4230
3566	cf::cleanup "db_env_open(db): $@" if $@;	4231	cf::cleanup "db_env_open(db): $@" if $@;
3567	};	4232	};
3568	}	4233	}
3569		4234
3570	$BDB_DEADLOCK_WATCHER = Event->timer (	4235	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3571	after => 3,
3572	interval => 1,
3573	hard => 1,
3574	prio => 0,
3575	data => WF_AUTOCANCEL,
3576	cb => sub {
3577	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 { };
3578	},
3579	);	4237	};
3580	$BDB_CHECKPOINT_WATCHER = Event->timer (	4238	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3581	after => 11,
3582	interval => 60,
3583	hard => 1,
3584	prio => 0,
3585	data => WF_AUTOCANCEL,
3586	cb => sub {
3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4239	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3588	},
3589	);	4240	};
3590	$BDB_TRICKLE_WATCHER = Event->timer (	4241	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3591	after => 5,
3592	interval => 10,
3593	hard => 1,
3594	prio => 0,
3595	data => WF_AUTOCANCEL,
3596	cb => sub {
3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4242	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3598	},
3599	);	4243	};
3600	}	4244	}
3601		4245
3602	{	4246	{
		4247	# configure IO::AIO
		4248
3603	IO::AIO::min_parallel 8;	4249	IO::AIO::min_parallel 8;
3604
3605	undef $Coro::AIO::WATCHER;
3606	IO::AIO::max_poll_time $TICK * 0.1;	4250	IO::AIO::max_poll_time $TICK * 0.1;
3607	$AIO_POLL_WATCHER = Event->io (	4251	undef $AnyEvent::AIO::WATCHER;
3608	reentrant => 0,
3609	data => WF_AUTOCANCEL,
3610	fd => IO::AIO::poll_fileno,
3611	poll => 'r',
3612	prio => 6,
3613	cb => \&IO::AIO::poll_cb,
3614	);
3615	}	4252	}
3616		4253
3617	my $_log_backtrace;	4254	our $_log_backtrace;
		4255	our $_log_backtrace_last;
3618		4256
3619	sub _log_backtrace {	4257	sub _log_backtrace {
3620	my ($msg, @addr) = @_;	4258	my ($msg, @addr) = @_;
3621		4259
3622	$msg =~ s/\n//;	4260	$msg =~ s/\n$//;
3623		4261
		4262	if ($_log_backtrace_last eq $msg) {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3624	# limit the # of concurrent backtraces	4265	# limit the # of concurrent backtraces
3625	if ($_log_backtrace < 2) {	4266	} elsif ($_log_backtrace < 2) {
		4267	$_log_backtrace_last = $msg;
3626	++$_log_backtrace;	4268	++$_log_backtrace;
		4269	my $perl_bt = Carp::longmess $msg;
3627	async {	4270	async {
		4271	$Coro::current->{desc} = "abt $msg";
		4272
3628	my @bt = fork_call {	4273	my @bt = fork_call {
3629	@addr = map { sprintf "%x", $_ } @addr;	4274	@addr = map { sprintf "%x", $_ } @addr;
3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4275	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4276	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3632	or die "addr2line: $!";	4277	or die "addr2line: $!";
…		…
3640	}	4285	}
3641		4286
3642	@funcs	4287	@funcs
3643	};	4288	};
3644		4289
3645	LOG llevInfo, "[ABT] $msg\n";	4290	LOG llevInfo, "[ABT] $perl_bt\n";
		4291	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3646	LOG llevInfo, "[ABT] $_\n" for @bt;	4292	LOG llevInfo, "[ABT] $_\n" for @bt;
3647	--$_log_backtrace;	4293	--$_log_backtrace;
3648	};	4294	};
3649	} else {	4295	} else {
3650	LOG llevInfo, "[ABT] $msg\n";	4296	LOG llevInfo, "[ABT] $msg\n";
3651	LOG llevInfo, "[ABT] [suppressed]\n";	4297	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3652	}	4298	}
3653	}	4299	}
3654		4300
3655	# load additional modules	4301	# load additional modules
3656	use cf::pod;	4302	require "cf/$_.pm" for @EXTRA_MODULES;
		4303	cf::_connect_to_perl_2;
3657		4304
3658	END { cf::emergency_save }	4305	END { cf::emergency_save }
3659		4306
3660	1	4307	1
3661		4308

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