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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.387 by root, Mon Oct 15 23:49:10 2007 UTC vs.
Revision 1.588 by root, Thu Nov 1 13:02:52 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 4.1 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
24	use Coro::Util ();	54	use Coro::Util ();
25		55
		56	use Guard ();
26	use JSON::XS ();	57	use JSON::XS 2.01 ();
27	use BDB ();	58	use BDB ();
28	use Data::Dumper;	59	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	60	use Fcntl;
31	use YAML::Syck ();	61	use YAML::XS ();
32	use IO::AIO 2.51 ();	62	use IO::AIO ();
33	use Time::HiRes;	63	use Time::HiRes;
34	use Compress::LZF;	64	use Compress::LZF;
35	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
36		68
37	# configure various modules to our taste	69	# configure various modules to our taste
38	#	70	#
39	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		79
43	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
44		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		82
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
51		86
52	our %COMMAND = ();	87	our %COMMAND = ();
53	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
54		89
55	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	91	our %EXTCMD = ();
57	our %EXTICMD = ();	92	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
60		95
61	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
63		100
64	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
65	our $DATADIR = datadir;	103	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
69	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
		114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
75		124
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	127	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	128	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		129
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	130	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	131	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	132	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	133	our $DB_ENV;
89		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
90	our %CFG;	137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
91		139
92	our $UPTIME; $UPTIME ||= time;	140	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
		143	our $NOW;
94		144
95	our (%PLAYER, %PLAYER_LOADING); # all users	145	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	146	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
98		148
99	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		151
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
105		164
106	binmode STDOUT;	165	binmode STDOUT;
107	binmode STDERR;	166	binmode STDERR;
108		167
109	# read virtual server time, if available	168	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
114	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
115		176
116	mkdir $_	177	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		179
119	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
120		181
121	sub cf::map::normalise;	182	sub cf::map::normalise;
122		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
123	#############################################################################	188	#############################################################################
124		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
125	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
126		202
127	=over 4	203	=over 4
128		204
129	=item $cf::UPTIME	205	=item $cf::UPTIME
130		206
131	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
132		223
133	=item $cf::RUNTIME	224	=item $cf::RUNTIME
134		225
135	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
136	every server tick.	227	every server tick.
…		…
142	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
145	database environment.	236	database environment.
146		237
147	=item $cf::NOW
148
149	The time of the last (current) server tick.
150
151	=item $cf::TICK
152
153	The interval between server ticks, in seconds.
154
155	=item $cf::LOADAVG	238	=item $cf::LOADAVG
156		239
157	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
162		245
163	The raw value load value from the last tick.	246	The raw value load value from the last tick.
164		247
165	=item %cf::CFG	248	=item %cf::CFG
166		249
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	251	from wherever your confdir points to.
169		252
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		254
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
176	=item @cf::INVOKE_RESULTS	276	=item @cf::INVOKE_RESULTS
177		277
178	This array contains the results of the last C<invoke ()> call. When	278	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	280	that call.
181		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
182	=back	288	=back
183		289
184	=cut	290	=cut
185		291
186	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	299	my $msg = join "", @_;
189		300
190	$msg .= "\n"	301	$msg .= "\n"
191	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
192		303
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		305
195	LOG llevError, $msg;	306	LOG llevWarn, $msg;
196	};	307	};
197	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
198		322
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	333	for my $pkg (qw(
210	cf::global cf::attachable	334	cf::global cf::attachable
211	cf::object cf::object::player	335	cf::object cf::object::player
212	cf::client cf::player	336	cf::client cf::player
213	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
214	cf::map cf::party cf::region	339	cf::party cf::region
215	)) {	340	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	342	}
219		343
220	$Event::DIED = sub {	344	$EV::DIED = sub {
221	warn "error in event callback: @_";	345	warn "error in event callback: $@";
222	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
223		352
224	#############################################################################	353	#############################################################################
225		354
226	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
227		356
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	378	$d
250	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
251	}	380	}
252		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
253	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
254		435
255	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
256		437
257	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
258		439
259	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
260		441
261	=cut	442	=cut
262		443
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		445
265	sub to_json ($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
267		510
268	=item cf::lock_wait $string	511	=item cf::lock_wait $string
269		512
270	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
271		514
272	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
273		516
274	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
277	returned.	520	returned.
278		521
279	Locks are *not* recursive, locking from the same coro twice results in a	522	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	523	deadlocked coro.
…		…
286		529
287	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
288		531
289	=cut	532	=cut
290		533
291	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		535
294	sub lock_wait($) {	536	sub lock_wait($) {
295	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	538	}
308		539
309	sub lock_acquire($) {	540	sub lock_acquire($) {
310	my ($key) = @_;	541	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	542	}
324		543
325	sub lock_active($) {	544	sub lock_active($) {
326	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	546	}
330		547
331	sub freeze_mainloop {	548	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
333		550
334	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	552	}
336	};	553
337	$TICK_WATCHER->stop;	554	=item cf::periodic $interval, $cb
338	$guard	555
		556	Like EV::periodic, but randomly selects a starting point so that the actions
		557	get spread over time.
		558
		559	=cut
		560
		561	sub periodic($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
339	}	567	}
340		568
341	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
342		570
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	572	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
346		578
347	The optional C<$name> can be used to identify the job to run. It might be	579	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	580	used for statistical purposes and should identify the same time-class.
349		581
350	Useful for short background jobs.	582	Useful for short background jobs.
351		583
352	=cut	584	=cut
353		585
354	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
356		589
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	592	$Coro::current->desc ("timeslot manager");
360		593
361	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
362		596
363	while () {	597	while () {
364	next_job:	598	next_job:
		599
365	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	601
367	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	606	$job->[2]->send;
371	Coro::cede;	607	Coro::cede;
372	goto next_job;	608	goto next_job;
373	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	611	}
375	}	612	}
376		613
377	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
380	$signal->wait;
381	} else {	617	} else {
		618	$busy = 0;
382	Coro::schedule;	619	Coro::schedule;
383	}	620	}
384	}	621	}
385	};	622	};
386		623
387	sub get_slot($;$$) {	624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
388	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
389		628
390	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
391	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
392		632
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
406		646
407	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
408		648
409	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
410		650
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	651	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	652	is always able to handle events or runnable, as Deliantra is only
413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	654	acceptable.
415		655
416	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
417	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	661	=cut
422		662
423	sub sync_job(&) {	663	sub sync_job(&) {
424	my ($job) = @_;	664	my ($job) = @_;
425		665
426	if ($Coro::current == $Coro::main) {	666	if (in_main) {
427	my $time = Event::time;	667	my $time = AE::time;
428		668
429	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
431		671
432	LOG llevError, Carp::longmess "sync job";#d#	672	#LOG llevError, Carp::longmess "sync job";#d#
433		673
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
437		675
438	my $busy = 1;	676	my $busy = 1;
439	my @res;	677	my @res;
440		678
441	(async {	679	(async {
442	$Coro::current->desc ("sync job coro");	680	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	681	@res = eval { $job->() };
444	warn $@ if $@;	682	error $@ if $@;
445	undef $busy;	683	undef $busy;
446	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
447		685
448	while ($busy) {	686	while ($busy) {
449	if (Coro::nready) {	687	if (Coro::nready) {
450	Coro::cede_notself;	688	Coro::cede_notself;
451	} else {	689	} else {
452	Event::one_event;	690	EV::loop EV::LOOP_ONESHOT;
453	}	691	}
454	}	692	}
455		693
456	$time = Event::time - $time;	694	my $time = AE::time - $time;
457		695
458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
460
461	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
462		697
463	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
464	} else {	699	} else {
465	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
466		701
…		…
486	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
487		722
488	$coro	723	$coro
489	}	724	}
490		725
491	=item fork_call { }, $args	726	=item fork_call { }, @args
492		727
493	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
494	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
495	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
496	never block itself or use any form of Event handling.	731	never block itself or use any form of event handling.
497		732
498	=cut	733	=cut
		734
		735	sub post_fork {
		736	reset_signals;
		737	}
499		738
500	sub fork_call(&@) {	739	sub fork_call(&@) {
501	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
502		741
503	# 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,
504	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
505	# TODO: investigate and fix (likely this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
506		745
507	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
508	reset_signals;	747	cf::post_fork;
509	&$cb	748	&$cb
510	}, @args;	749	} @args;
511		750
512	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
513	}	790	}
514		791
515	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
516		793
517	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
527	within each server.	804	within each server.
528		805
529	=cut	806	=cut
530		807
531	sub db_table($) {	808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
532	my ($name) = @_;	812	my ($name) = @_;
533	my $db = BDB::db_create $DB_ENV;	813	my $db = BDB::db_create $DB_ENV;
534		814
535	eval {	815	eval {
536	$db->set_flags (BDB::CHKSUM);	816	$db->set_flags (BDB::CHKSUM);
…		…
546	}	826	}
547		827
548	our $DB;	828	our $DB;
549		829
550	sub db_init {	830	sub db_init {
551	cf::sync_job {
552	$DB ||= db_table "db";	831	$DB ||= db_table "db";
553	};
554	}	832	}
555		833
556	sub db_get($$) {	834	sub db_get($$) {
557	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
558		836
559	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
560	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
561		841
562	$! ? ()	842	$! ? ()
563	: $data	843	: $data
564	}
565	}	844	}
566		845
567	sub db_put($$$) {	846	sub db_put($$$) {
568	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
597		876
598	my @data;	877	my @data;
599	my $md5;	878	my $md5;
600		879
601	for (0 .. $#$src) {	880	for (0 .. $#$src) {
602	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
603	or Carp::croak "$src->[$_]: $!";
604	}	882	}
605		883
606	# if processing is expensive, check	884	# if processing is expensive, check
607	# checksum first	885	# checksum first
608	if (1) {	886	if (1) {
…		…
625		903
626	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
627	my $data = $process->(\@data);	905	my $data = $process->(\@data);
628	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
629		907
630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
631		909
632	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
633	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
634	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
635		913
…		…
645		923
646	=cut	924	=cut
647		925
648	sub datalog($@) {	926	sub datalog($@) {
649	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
651	}	929	}
652		930
653	=back	931	=back
654		932
655	=cut	933	=cut
656		934
657	#############################################################################	935	#############################################################################
658		936
659	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
660		938
661	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
662	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")
663	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
664		942
665	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>
666	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
667	Crossfire TRT).	945	Deliantra).
668		946
669	=over 4	947	=over 4
670		948
671	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
672		950
…		…
716	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
717		995
718	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
719	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
720		998
721	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
722	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.
723		1001
724	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
725		1003
726	=over 4	1004	=over 4
…		…
850		1128
851	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
852	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
853		1131
854	} elsif (ref $type) {	1132	} elsif (ref $type) {
855	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
856		1134
857	} else {	1135	} else {
858	shift @arg;	1136	shift @arg;
859	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
860	}	1138	}
861	}	1139	}
862	}	1140	}
863		1141
864	sub _object_attach {	1142	sub _object_attach {
…		…
874	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
875	}	1153	}
876		1154
877	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
878	} else {	1156	} else {
879	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
880	}	1158	}
881		1159
882	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
883	}	1161	}
884		1162
…		…
943		1221
944	for (@$callbacks) {	1222	for (@$callbacks) {
945	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
946		1224
947	if ($@) {	1225	if ($@) {
948	warn "$@";
949	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
950	override;	1227	override;
951	}	1228	}
952		1229
953	return 1 if $override;	1230	return 1 if $override;
954	}	1231	}
955		1232
956	0	1233	0
957	}	1234	}
958		1235
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1237
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1239
963	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
964		1241
…		…
1017		1294
1018	sub reattach {	1295	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1297	my ($obj) = @_;
1021		1298
		1299	# no longer needed after getting rid of delete_package?
1022	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
1023		1301
1024	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
1025		1303
1026	@$registry = ();	1304	@$registry = ();
1027		1305
…		…
1032	for (@$attach) {	1310	for (@$attach) {
1033	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
1034	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
1035	}	1313	}
1036	} else {	1314	} else {
1037	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
1038	}	1316	}
1039	}	1317	}
1040	}	1318	}
1041		1319
1042	cf::attachable->attach (	1320	cf::attachable->attach (
1043	prio => -1000000,	1321	prio => -1000000,
1044	on_instantiate => sub {	1322	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
1046		1324
1047	$data = from_json $data;	1325	$data = decode_json $data;
1048		1326
1049	for (@$data) {	1327	for (@$data) {
1050	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
1051		1329
1052	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
1069	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1070		1348
1071	sync_job {	1349	sync_job {
1072	if (length $$rdata) {	1350	if (length $$rdata) {
1073	utf8::decode (my $decname = $filename);	1351	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1076		1355
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	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	}
1081	close $fh;	1363	aio_close $fh;
1082		1364
1083	if (@$objs) {	1365	if (@$objs) {
1084	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) {
1085	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1088	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	}
1089	close $fh;	1374	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1376	}
1092	} else {	1377	} else {
1093	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1094	}	1379	}
1095		1380
1096	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1385	} else {
1098	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1099	}	1387	}
1100	} else {	1388	} else {
1101	aio_unlink $filename;	1389	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1103	}	1391	}
…		…
1122		1410
1123	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
1124	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
1125	or return;	1413	or return;
1126		1414
1127	my $st = eval { Coro::Storable::thaw $av }	1415	my $st = eval { Coro::Storable::thaw $av };
1128	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
1129	$av = $st->{objs};	1416	$av = $st->{objs};
1130	}	1417	}
1131		1418
1132	utf8::decode (my $decname = $filename);	1419	utf8::decode (my $decname = $filename);
1133	warn sprintf "loading %s (%d,%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1134	$decname, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
1135		1423
1136	($data, $av)	1424	($data, $av)
1137	}	1425	}
1138		1426
1139	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
…		…
1195	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1196		1484
1197	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1198	}	1486	}
1199		1487
		1488	use File::Glob ();
		1489
1200	cf::player->attach (	1490	cf::player->attach (
1201	on_command => sub {	1491	on_unknown_command => sub {
1202	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1203		1493
1204	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1205	or return;	1495	or return;
1206		1496
…		…
1214	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1215		1505
1216	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1217		1507
1218	if (ref $msg) {	1508	if (ref $msg) {
1219	my ($type, $reply, @payload) =	1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1220	"ARRAY" eq ref $msg
1221	? @$msg
1222	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1223		1510
1224	my @reply;	1511	my @reply;
1225		1512
1226	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1227	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
…		…
1229		1516
1230	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_reply ($reply, @reply)
1231	if $reply;	1518	if $reply;
1232		1519
1233	} else {	1520	} else {
1234	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1235	}	1522	}
1236		1523
1237	cf::override;	1524	cf::override;
1238	},	1525	},
1239	);	1526	);
1240		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
1241	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1242	cf::sync_job {	1557	cf::sync_job {
1243	my %todo;	1558	my %todo;
1244		1559
1245	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1246	next unless -r $path;	1561	next unless -r $path;
…		…
1264		1579
1265	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1266	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1267		1582
1268	$ext{source} =	1583	$ext{source} =
1269	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1270	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1271	. $source	1586	. $source
1272	. "\n};\n1";	1587	. "\n};\n1";
1273		1588
1274	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1275	}	1590	}
1276		1591
		1592	my $pass = 0;
1277	my %done;	1593	my %done;
1278	while (%todo) {	1594	while (%todo) {
1279	my $progress;	1595	my $progress;
1280		1596
		1597	++$pass;
		1598
		1599	ext:
1281	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1282	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1283	goto skip	1602	next ext
1284	unless exists $done{$_};	1603	unless exists $done{$_};
1285	}	1604	}
1286		1605
1287	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1288		1607
1289	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 $@) {
1290	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1291	: "$v->{base}: extension inactive.\n";
1292		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1293	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1294	warn $msg;	1624
1295	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1296	exit 1;	1626	delete $todo{$k};
1297	}	1627	} else {
1298		1628	$done{$k} = delete $todo{$k};
1299	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1300	}	1634	}
1301
1302	$done{$k} = delete $todo{$k};
1303	push @EXTS, $v->{pkg};
1304	$progress = 1;
1305	}	1635	}
1306		1636
1307	skip:	1637	unless ($progress) {
1308	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1309	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1310	}	1647	}
1311	};	1648	};
1312	}	1649	}
1313		1650
1314	#############################################################################	1651	#############################################################################
1315		1652
1316	=back	1653	=back
1317		1654
1318	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1319		1656
1320	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1321		1658
1322	=cut	1659	=cut
1323		1660
1324	package cf::player;	1661	package cf::player;
1325		1662
…		…
1368		1705
1369	sub exists($) {	1706	sub exists($) {
1370	my ($login) = @_;	1707	my ($login) = @_;
1371		1708
1372	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1373	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1374	}	1711	}
1375		1712
1376	sub find($) {	1713	sub find($) {
1377	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1378	my $login = $_[0];	1715	my $login = $_[0];
…		…
1390	my $f = new_from_file cf::object::thawer path $login	1727	my $f = new_from_file cf::object::thawer path $login
1391	or return;	1728	or return;
1392		1729
1393	my $pl = cf::player::load_pl $f	1730	my $pl = cf::player::load_pl $f
1394	or return;	1731	or return;
		1732
1395	local $cf::PLAYER_LOADING{$login} = $pl;	1733	local $cf::PLAYER_LOADING{$login} = $pl;
1396	$f->resolve_delayed_derefs;	1734	$f->resolve_delayed_derefs;
1397	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1398	}	1736	}
1399	}	1737	}
1400	}	1738	}
1401		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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
1402	sub save($) {	1753	sub save($) {
1403	my ($pl) = @_;	1754	my ($pl) = @_;
1404		1755
1405	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
1406		1757
…		…
1409		1760
1410	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1411		1762
1412	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1413	$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];
1414		1770
1415	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1416	cf::cede_to_tick;	1772	cf::cede_to_tick;
1417	}	1773	}
1418		1774
…		…
1450	my ($pl) = @_;	1806	my ($pl) = @_;
1451		1807
1452	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1453		1809
1454	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1455	$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
1456		1812
1457	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1458	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1459	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1460	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1461		1821
1462	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1463	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1464	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1502		1862
1503	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
1504	my $path = path $login;	1864	my $path = path $login;
1505		1865
1506	# a .pst is a dead give-away for a valid player	1866	# a .pst is a dead give-away for a valid player
1507	unless (-e "$path.pst") {	1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1508	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1509	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1510	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
1511	}	1872	}
1512		1873
…		…
1516		1877
1517	\@logins	1878	\@logins
1518	}	1879	}
1519		1880
1520	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1521		1884
1522	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1523	player. May block.	1886	player. May block.
1524		1887
1525	=cut	1888	=cut
…		…
1543	}	1906	}
1544		1907
1545	\@paths	1908	\@paths
1546	}	1909	}
1547		1910
1548	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1549		1912
1550	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1551
1552	=cut
1553
1554	sub expand_cfpod {
1555	((my $self), (local $_)) = @_;
1556
1557	# escape & and <
1558	s/&/&amp;/g;
1559	s/(?<![BIUGHT])</&lt;/g;
1560
1561	# this is buggy, it needs to properly take care of nested <'s
1562
1563	1 while
1564	# replace B<>, I<>, U<> etc.
1565	s/B<([^\>]*)>/<b>$1<\/b>/
1566	|| s/I<([^\>]*)>/<i>$1<\/i>/
1567	|| s/U<([^\>]*)>/<u>$1<\/u>/
1568	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1569	# replace G<male|female> tags
1570	|| s{G<([^>|]*)\|([^>]*)>}{
1571	$self->gender ? $2 : $1
1572	}ge
1573	# replace H<hint text>
1574	|| s{H<([^\>]*)>}
1575	{
1576	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1577	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1578	"")
1579	[$self->{hintmode}]
1580	}ge;
1581
1582	# create single paragraphs (very hackish)
1583	s/(?<=\S)\n(?=\w)/ /g;
1584
1585	# compress some whitespace
1586	s/\s+\n/\n/g; # ws line-ends
1587	s/\n\n+/\n/g; # double lines
1588	s/^\n+//; # beginning lines
1589	s/\n+$//; # ending lines
1590
1591	$_
1592	}
1593
1594	sub hintmode {
1595	$_[0]{hintmode} = $_[1] if @_ > 1;
1596	$_[0]{hintmode}
1597	}
1598		1914
1599	=item $player->ext_reply ($msgid, @msg)	1915	=item $player->ext_reply ($msgid, @msg)
1600		1916
1601	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1602		1918
…		…
1634		1950
1635	=cut	1951	=cut
1636		1952
1637	sub find_by_path($) {	1953	sub find_by_path($) {
1638	my ($path) = @_;	1954	my ($path) = @_;
		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
1639		1957
1640	my ($match, $specificity);	1958	my ($match, $specificity);
1641		1959
1642	for my $region (list) {	1960	for my $region (list) {
1643	if ($region->{match} && $path =~ $region->{match}) {	1961	if ($region->{match} && $path =~ $region->{match}) {
…		…
1669	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1670	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1671		1989
1672	sub generate_random_map {	1990	sub generate_random_map {
1673	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1674	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1675	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1676	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1677	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1678	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1679	$rmp->{exit_on_final_map},
1680	$rmp->{xsize}, $rmp->{ysize},
1681	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1682	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1683	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1684	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1685	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1686	(cf::region::find $rmp->{region}), $rmp->{custom}
1687	)
1688	}	1996	}
1689		1997
1690	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1691		1999
1692	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
…		…
1697		2005
1698	sub register {	2006	sub register {
1699	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1700	my $pkg = caller;	2008	my $pkg = caller;
1701		2009
1702	no strict;
1703	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1704		2011
1705	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1706	}	2013	}
1707		2014
1708	# also paths starting with '/'	2015	# also paths starting with '/'
1709	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1710		2017
1711	sub thawer_merge {	2018	sub thawer_merge {
1712	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1713		2020
1714	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1719	}	2026	}
1720		2027
1721	sub normalise {	2028	sub normalise {
1722	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1723		2030
1724	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1725		2032
1726	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1727		2034
1728	# map plan:	2035	# map plan:
1729	#	2036	#
…		…
1744	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1745	$path = "$base/$path";	2052	$path = "$base/$path";
1746	}	2053	}
1747		2054
1748	for ($path) {	2055	for ($path) {
1749	redo if s{//}{/};
1750	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1751	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1752	}	2058	}
1753		2059
1754	$path	2060	$path
…		…
1768	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1769	return $self;	2075	return $self;
1770	}	2076	}
1771	}	2077	}
1772		2078
1773	Carp::cluck "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1774	()	2080	()
1775	}	2081	}
1776		2082
		2083	# may re-bless or do other evil things
1777	sub init {	2084	sub init {
1778	my ($self) = @_;	2085	my ($self) = @_;
1779		2086
1780	$self	2087	$self
1781	}	2088	}
…		…
1800		2107
1801	# the temporary/swap location	2108	# the temporary/swap location
1802	sub save_path {	2109	sub save_path {
1803	my ($self) = @_;	2110	my ($self) = @_;
1804		2111
1805	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1806	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1807	}	2114	}
1808		2115
1809	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1810	sub uniq_path {	2117	sub uniq_path {
1811	my ($self) = @_;	2118	my ($self) = @_;
1812		2119
1813	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1814	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1815	}
1816
1817	# and all this just because we cannot iterate over
1818	# all maps in C++...
1819	sub change_all_map_light {
1820	my ($change) = @_;
1821
1822	$_->change_map_light ($change)
1823	for grep $_->outdoor, values %cf::MAP;
1824	}	2122	}
1825		2123
1826	sub decay_objects {	2124	sub decay_objects {
1827	my ($self) = @_;	2125	my ($self) = @_;
1828		2126
…		…
1855	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1856		2154
1857	1	2155	1
1858	}	2156	}
1859		2157
		2158	# used to laod the header of an original map
1860	sub load_header_orig {	2159	sub load_header_orig {
1861	my ($self) = @_;	2160	my ($self) = @_;
1862		2161
1863	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1864	}	2163	}
1865		2164
		2165	# used to laod the header of an instantiated map
1866	sub load_header_temp {	2166	sub load_header_temp {
1867	my ($self) = @_;	2167	my ($self) = @_;
1868		2168
1869	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1870	}	2170	}
1871		2171
		2172	# called after loading the header from an instantiated map
1872	sub prepare_temp {	2173	sub prepare_temp {
1873	my ($self) = @_;	2174	my ($self) = @_;
1874		2175
1875	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1876	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1877	# safety	2178	# safety
1878	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1879	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1880	}	2181	}
1881		2182
		2183	# called after loading the header from an original map
1882	sub prepare_orig {	2184	sub prepare_orig {
1883	my ($self) = @_;	2185	my ($self) = @_;
1884		2186
1885	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1886	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1910		2212
1911	sub find;	2213	sub find;
1912	sub find {	2214	sub find {
1913	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1914		2216
		2217	cf::cede_to_tick;
		2218
1915	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1916		2220
1917	cf::lock_wait "map_data:$path";#d#remove	2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1918	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1919		2223
1920	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1921	my $guard1 = cf::lock_acquire "map_find:$path";
1922	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1923
1924	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1925	or return;	2226	or return;
1926		2227
1927	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1928		2229
…		…
1930	or return;	2231	or return;
1931		2232
1932	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1933	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1934	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
1935	undef $guard1;	2237	undef $guard1;
1936	undef $guard2;
1937	$map->reset;	2238	$map->reset;
1938	return find $path;	2239	return find $path;
1939	}	2240	}
1940		2241
1941	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1942	}	2243	}
1943	}	2244	}
1944		2245
1945	sub pre_load { }	2246	sub pre_load { }
1946	sub post_load { }	2247	#sub post_load { } # XS
1947		2248
1948	sub load {	2249	sub load {
1949	my ($self) = @_;	2250	my ($self) = @_;
1950		2251
1951	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1954		2255
1955	{	2256	{
1956	my $guard = cf::lock_acquire "map_data:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1957		2258
1958	return unless $self->valid;	2259	return unless $self->valid;
1959	return unless $self->in_memory == cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1960
1961	$self->in_memory (cf::MAP_LOADING);
1962		2261
1963	$self->alloc;	2262	$self->alloc;
1964		2263
1965	$self->pre_load;	2264	$self->pre_load;
1966	cf::cede_to_tick;	2265	cf::cede_to_tick;
1967		2266
		2267	if (exists $self->{load_path}) {
1968	my $f = new_from_file cf::object::thawer $self->{load_path};	2268	my $f = new_from_file cf::object::thawer $self->{load_path};
1969	$f->skip_block;	2269	$f->skip_block;
1970	$self->_load_objects ($f)	2270	$self->_load_objects ($f)
1971	or return;	2271	or return;
1972		2272
1973	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1974	if delete $self->{load_original};	2274	if delete $self->{load_original};
1975		2275
1976	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1977	utf8::encode $uniq;	2277	utf8::encode $uniq;
1978	unless (aio_stat $uniq) {	2278	unless (aio_stat $uniq) {
1979	if (my $f = new_from_file cf::object::thawer $uniq) {	2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1980	$self->clear_unique_items;	2280	$self->clear_unique_items;
1981	$self->_load_objects ($f);	2281	$self->_load_objects ($f);
1982	$f->resolve_delayed_derefs;	2282	$f->resolve_delayed_derefs;
		2283	}
1983	}	2284	}
1984	}	2285	}
1985	}
1986		2286
1987	$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);
1988		2294
1989	cf::cede_to_tick;	2295	cf::cede_to_tick;
1990	# now do the right thing for maps	2296	# now do the right thing for maps
1991	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1992	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
…		…
1996	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1997	$self->decay_objects;	2303	$self->decay_objects;
1998	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1999	$self->update_buttons;	2305	$self->update_buttons;
2000	cf::cede_to_tick;	2306	cf::cede_to_tick;
2001	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
2002	cf::cede_to_tick;
2003	$self->activate;
2004	}	2308	}
2005		2309
2006	$self->{last_save} = $cf::RUNTIME;	2310	$self->{last_save} = $cf::RUNTIME;
2007	$self->last_access ($cf::RUNTIME);	2311	$self->last_access ($cf::RUNTIME);
2008
2009	$self->in_memory (cf::MAP_IN_MEMORY);
2010	}	2312	}
2011		2313
2012	$self->post_load;	2314	$self->post_load;
2013	}
2014		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
2015	sub customise_for {	2322	sub customise_for {
2016	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
2017		2324
2018	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
2019	if $self->per_player;	2326	if $self->per_player;
…		…
2022	# if $self->per_party;	2329	# if $self->per_party;
2023		2330
2024	$self	2331	$self
2025	}	2332	}
2026		2333
2027	# find and load all maps in the 3x3 area around a map
2028	sub load_neighbours {
2029	my ($map) = @_;
2030
2031	my @neigh; # diagonal neighbours
2032
2033	for (0 .. 3) {
2034	my $neigh = $map->tile_path ($_)
2035	or next;
2036	$neigh = find $neigh, $map
2037	or next;
2038	$neigh->load;
2039
2040	push @neigh,
2041	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2042	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2043	}
2044
2045	for (grep defined $_->[0], @neigh) {
2046	my ($path, $origin) = @$_;
2047	my $neigh = find $path, $origin
2048	or next;
2049	$neigh->load;
2050	}
2051	}
2052
2053	sub find_sync {	2334	sub find_sync {
2054	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
2055		2336
2056	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, $origin
2057	}	2342	}
2058		2343
2059	sub do_load_sync {	2344	sub do_load_sync {
2060	my ($map) = @_;	2345	my ($map) = @_;
2061		2346
		2347	# it's a bug to call this from the main context
2062	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2063	if $Coro::current == $Coro::main;	2349	if $Coro::current == $Coro::main;
2064		2350
2065	cf::sync_job { $map->load };	2351	$map->load;
2066	}	2352	}
2067		2353
2068	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
2069	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
2070		2356
2071	sub find_async {	2357	sub find_async {
2072	my ($path, $origin, $load) = @_;	2358	my ($path, $origin, $load) = @_;
2073		2359
2074	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
2075		2361
2076	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
2077	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
2078	}	2364	}
2079		2365
2080	$MAP_PREFETCH{$path} |= $load;	2366	$MAP_PREFETCH{$path} |= $load;
2081		2367
2082	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
…		…
2096	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
2097		2383
2098	()	2384	()
2099	}	2385	}
2100		2386
		2387	# common code, used by both ->save and ->swapout
2101	sub save {	2388	sub _save {
2102	my ($self) = @_;	2389	my ($self) = @_;
2103
2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
2105		2390
2106	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
2107		2392
2108	return unless $self->dirty;	2393	return unless $self->dirty;
2109		2394
…		…
2118		2403
2119	cf::async {	2404	cf::async {
2120	$Coro::current->{desc} = "map player save";	2405	$Coro::current->{desc} = "map player save";
2121	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
2122	};	2407	};
		2408
		2409	cf::get_slot 0.02;
2123		2410
2124	if ($uniq) {	2411	if ($uniq) {
2125	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2126	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2127	} else {	2414	} else {
2128	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2129	}	2416	}
2130	}	2417	}
2131		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
2132	sub swap_out {	2427	sub swap_out {
2133	my ($self) = @_;	2428	my ($self) = @_;
2134		2429
2135	# save first because save cedes
2136	$self->save;
2137
2138	my $lock = cf::lock_acquire "map_data:$self->{path}";	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
2139		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
2140	return if $self->players;	2434	return if $self->players;
2141	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
2142	return if $self->{deny_save};	2452	return 1e99 if $self->{deny_reset};
2143		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
2144	$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};
2145		2486
2146	$self->deactivate;	2487	$self->deactivate;
2147	$_->clear_links_to ($self) for values %cf::MAP;	2488	$_->clear_links_to ($self) for values %cf::MAP;
2148	$self->clear;	2489	$self->clear;
2149	}
2150
2151	sub reset_at {
2152	my ($self) = @_;
2153
2154	# TODO: safety, remove and allow resettable per-player maps
2155	return 1e99 if $self->{deny_reset};
2156
2157	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2158	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2159
2160	$time + $to
2161	}
2162
2163	sub should_reset {
2164	my ($self) = @_;
2165
2166	$self->reset_at <= $cf::RUNTIME
2167	}
2168
2169	sub reset {
2170	my ($self) = @_;
2171
2172	my $lock = cf::lock_acquire "map_data:$self->{path}";
2173
2174	return if $self->players;
2175
2176	warn "resetting map ", $self->path;
2177
2178	$self->in_memory (cf::MAP_SWAPPED);
2179
2180	# need to save uniques path
2181	unless ($self->{deny_save}) {
2182	my $uniq = $self->uniq_path; utf8::encode $uniq;
2183
2184	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2185	if $uniq;
2186	}
2187
2188	delete $cf::MAP{$self->path};
2189
2190	$self->deactivate;
2191	$_->clear_links_to ($self) for values %cf::MAP;
2192	$self->clear;
2193		2490
2194	$self->unlink_save;	2491	$self->unlink_save;
2195	$self->destroy;	2492	$self->destroy;
2196	}	2493	}
2197		2494
…		…
2205		2502
2206	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2207		2504
2208	$self->unlink_save;	2505	$self->unlink_save;
2209		2506
2210	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2211	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2212	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2213	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2214	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2215		2512
…		…
2264		2561
2265	sub unique_maps() {	2562	sub unique_maps() {
2266	[	2563	[
2267	map {	2564	map {
2268	utf8::decode $_;	2565	utf8::decode $_;
2269	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2270	? normalise $_	2569	: normalise $_
2271	: ()
2272	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2273	]	2571	]
2274	}	2572	}
2275		2573
2276	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	}
2277		2605
2278	=back	2606	=back
2279		2607
2280	=head3 cf::object	2608	=head3 cf::object
2281		2609
…		…
2285		2613
2286	=over 4	2614	=over 4
2287		2615
2288	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2289		2617
2290	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.
2291		2620
2292	=cut	2621	=cut
2293		2622
2294	sub inv_recursive_;	2623	sub inv_recursive_;
2295	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2300	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2301	}	2630	}
2302		2631
2303	=item $ref = $ob->ref	2632	=item $ref = $ob->ref
2304		2633
2305	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.
2306		2635
2307	=item $ob = cf::object::deref ($refstring)	2636	=item $ob = cf::object::deref ($refstring)
2308		2637
2309	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,
2310	even if the object actually exists. May block.	2639	even if the object actually exists. May block.
…		…
2342	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
2343	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2344		2673
2345	=cut	2674	=cut
2346		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
2347	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2348	# with dialog boxes.	2691	# with dialog boxes.
2349	#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
2350	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
2351	my ($self, $npc, $msg, $flags) = @_;	2694	my ($self, $npc, $msg, $flags) = @_;
…		…
2362	my $dialog = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2363	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2364		2707
2365	} else {	2708	} else {
2366	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2367	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2368	}	2711	}
2369	}	2712	}
2370	}	2713	}
2371		2714
2372	=item $object->send_msg ($channel, $msg, $color, [extra...])	2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2397		2740
2398	=item $player_object->enter_link	2741	=item $player_object->enter_link
2399		2742
2400	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}>).
2401		2744
2402	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.
2403	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.
2404		2749
2405	Will never block.	2750	Will never block.
2406		2751
2407	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2408		2753
…		…
2428	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2429	my ($self) = @_;	2774	my ($self) = @_;
2430		2775
2431	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2432		2777
		2778	++$self->{_link_recursion};
		2779
2433	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2434		2781
2435	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2436	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2437		2784
2438	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2439	}	2786	}
2440		2787
2441	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2442	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2443		2790
…		…
2460	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2461	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2462		2809
2463	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2464	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2465	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2466		2813
2467	$map->load;	2814	$map->load;
2468	$map->load_neighbours;
2469		2815
2470	return unless $self->contr->active;	2816	return unless $self->contr->active;
2471	$self->activate_recursive;
2472		2817
2473	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2474	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2475	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2476		2825
		2826	}
		2827
2477	=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)]])
2478		2829
2479	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
2480	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2481	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
2482	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
2483	be called at the end of this process.	2834	be called at the end of this process.
2484		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
2485	=cut	2839	=cut
2486		2840
2487	our $GOTOGEN;	2841	our $GOTOGEN;
2488		2842
2489	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2490	my ($self, $path, $x, $y, $check, $done) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
2491		2851
2492	# 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
2493	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2494		2854
2495	$self->enter_link;	2855	$self->enter_link;
…		…
2515	($path, $x, $y) = (undef, undef, undef);	2875	($path, $x, $y) = (undef, undef, undef);
2516	}	2876	}
2517	}	2877	}
2518		2878
2519	my $map = eval {	2879	my $map = eval {
2520	my $map = defined $path ? cf::map::find $path : undef;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2521		2881
2522	if ($map) {	2882	if ($map) {
2523	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2524	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2525	} else {	2885	} else {
2526	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2527	}	2887	}
2528		2888
2529	$map	2889	$map
…		…
2537	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2538	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2539	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2540	}	2900	}
2541		2901
2542	$done->() if $done;	2902	$done->($self) if $done;
2543	})->prio (1);	2903	})->prio (1);
2544	}	2904	}
2545		2905
2546	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2547		2907
…		…
2567	}	2927	}
2568		2928
2569	sub prepare_random_map {	2929	sub prepare_random_map {
2570	my ($exit) = @_;	2930	my ($exit) = @_;
2571		2931
2572	my $guard = cf::lock_acquire "exit_prepare:$exit";
2573
2574	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2575	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2576	# that depends on the exit object	2934	# that depends on the exit object
2577		2935
2578	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2580	if ($exit->map) {	2938	if ($exit->map) {
2581	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2582	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2583	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2584	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2585	}	2945	}
2586		2946
2587	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2588		2948
2589	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2590	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2591	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2592		2952
2593	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2594	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2595	undef $fh;	2955	undef $fh;
2596	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2597		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2598	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2599	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2600	}	2964	}
2601	}	2965	}
2602		2966
2603	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2604	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2605		2969
2606	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2607		2971
2608	if ($exit->slaying eq "/!") {
2609	#TODO: this should de-fi-ni-te-ly not be a sync-job
2610	# the problem is that $exit might not survive long enough
2611	# so it needs to be done right now, right here
2612	cf::sync_job { prepare_random_map $exit };
2613	}
2614
2615	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2616	my $hp = $exit->stats->hp;
2617	my $sp = $exit->stats->sp;
2618
2619	$self->enter_link;	2972	$self->enter_link;
2620		2973
2621	# if exit is damned, update players death & WoR home-position
2622	$self->contr->savebed ($slaying, $hp, $sp)
2623	if $exit->flag (FLAG_DAMNED);
2624
2625	(async {	2974	(async {
2626	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2975	$Coro::current->{desc} = "enter_exit";
2627		2976
2628	$self->deactivate_recursive; # just to be sure
2629	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
2630	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2631		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
2632	1;	3013	1
2633	}) {	3014	}) {
2634	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2635	. "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. "
2636	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2637	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2638		3019
2639	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2640	$self->leave_link;	3021	$self->leave_link;
2641	}	3022	}
2642	})->prio (1);	3023	})->prio (1);
2643	}	3024	}
2644		3025
…		…
2656	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
2657	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
2658		3039
2659	utf8::encode $text;	3040	utf8::encode $text;
2660	$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);
2661	}	3067	}
2662		3068
2663	=item $client->send_msg ($channel, $msg, $color, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2664		3070
2665	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2667	the message, with C<log> being the default. If C<$color> is negative, suppress	3073	the message, with C<log> being the default. If C<$color> is negative, suppress
2668	the message unless the client supports the msg packet.	3074	the message unless the client supports the msg packet.
2669		3075
2670	=cut	3076	=cut
2671		3077
		3078	# non-persistent channels (usually the info channel)
2672	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	},
2673	"c/identify" => {	3086	"c/identify" => {
2674	id => "infobox",	3087	id => "infobox",
2675	title => "Identify",	3088	title => "Identify",
2676	reply => undef,	3089	reply => undef,
2677	tooltip => "Items recently identified",	3090	tooltip => "Items recently identified",
…		…
2680	id => "infobox",	3093	id => "infobox",
2681	title => "Examine",	3094	title => "Examine",
2682	reply => undef,	3095	reply => undef,
2683	tooltip => "Signs and other items you examined",	3096	tooltip => "Signs and other items you examined",
2684	},	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	},
2685	"c/lookat" => {	3110	"c/lookat" => {
2686	id => "infobox",	3111	id => "infobox",
2687	title => "Look",	3112	title => "Look",
2688	reply => undef,	3113	reply => undef,
2689	tooltip => "What you saw there",	3114	tooltip => "What you saw there",
2690	},	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" => $CHAT_CHANNEL,
2691	);	3190	);
2692		3191
2693	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2694	my ($self, $channel, $msg, $color, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2695		3194
2696	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
2697		3197
2698	$color &= cf::NDI_CLIENT_MASK; # just in case...	3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
2699		3199
2700	# check predefined channels, for the benefit of C	3200	# check predefined channels, for the benefit of C
2701	if ($CHANNEL{$channel}) {	3201	if ($CHANNEL{$channel}) {
2702	$channel = $CHANNEL{$channel};	3202	$channel = $CHANNEL{$channel};
2703		3203
2704	$self->ext_msg (channel_info => $channel)	3204	$self->ext_msg (channel_info => $channel);
2705	if $self->can_msg;
2706
2707	$channel = $channel->{id};	3205	$channel = $channel->{id};
2708		3206
2709	} elsif (ref $channel) {	3207	} elsif (ref $channel) {
2710	# send meta info to client, if not yet sent	3208	# send meta info to client, if not yet sent
2711	unless (exists $self->{channel}{$channel->{id}}) {	3209	unless (exists $self->{channel}{$channel->{id}}) {
2712	$self->{channel}{$channel->{id}} = $channel;	3210	$self->{channel}{$channel->{id}} = $channel;
2713	$self->ext_msg (channel_info => $channel)	3211	$self->ext_msg (channel_info => $channel);
2714	if $self->can_msg;
2715	}	3212	}
2716		3213
2717	$channel = $channel->{id};	3214	$channel = $channel->{id};
2718	}	3215	}
2719		3216
2720	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2721		3218
2722	if ($self->can_msg) {
2723	# default colour, mask it out	3219	# default colour, mask it out
2724	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2725	if $color & cf::NDI_DEF;	3221	if $color & cf::NDI_DEF;
2726		3222
2727	$self->send_packet ("msg " . $self->{json_coder}->encode (	3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
2728	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2729	} else {	3226	);
2730	if ($color >= 0) {
2731	# replace some tags by gcfclient-compatible ones
2732	for ($msg) {
2733	1 while
2734	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2735	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2736	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2737	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2738	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2739	}
2740		3227
2741	$color &= cf::NDI_COLOR_MASK;	3228	$self->send_big_packet ($pkt);
2742
2743	utf8::encode $msg;
2744
2745	if (0 && $msg =~ /\[/) {
2746	# COMMAND/INFO
2747	$self->send_packet ("drawextinfo $color 10 8 $msg")
2748	} else {
2749	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2750	$self->send_packet ("drawinfo $color $msg")
2751	}
2752	}
2753	}
2754	}	3229	}
2755		3230
2756	=item $client->ext_msg ($type, @msg)	3231	=item $client->ext_msg ($type, @msg)
2757		3232
2758	Sends an ext event to the client.	3233	Sends an ext event to the client.
…		…
2761		3236
2762	sub cf::client::ext_msg($$@) {	3237	sub cf::client::ext_msg($$@) {
2763	my ($self, $type, @msg) = @_;	3238	my ($self, $type, @msg) = @_;
2764		3239
2765	if ($self->extcmd == 2) {	3240	if ($self->extcmd == 2) {
2766	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2767	} elsif ($self->extcmd == 1) { # TODO: remove	3242	} elsif ($self->extcmd == 1) { # TODO: remove
2768	push @msg, msgtype => "event_$type";	3243	push @msg, msgtype => "event_$type";
2769	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2770	}	3245	}
2771	}	3246	}
2772		3247
2773	=item $client->ext_reply ($msgid, @msg)	3248	=item $client->ext_reply ($msgid, @msg)
2774		3249
…		…
2777	=cut	3252	=cut
2778		3253
2779	sub cf::client::ext_reply($$@) {	3254	sub cf::client::ext_reply($$@) {
2780	my ($self, $id, @msg) = @_;	3255	my ($self, $id, @msg) = @_;
2781		3256
2782	if ($self->extcmd == 2) {	3257	return unless $self->extcmd == 2;
		3258
2783	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2784	} elsif ($self->extcmd == 1) {
2785	#TODO: version 1, remove
2786	unshift @msg, msgtype => "reply", msgid => $id;
2787	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2788	}
2789	}	3260	}
2790		3261
2791	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2792		3263
2793	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
…		…
2848	my ($ns, $buf) = @_;	3319	my ($ns, $buf) = @_;
2849		3320
2850	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2851		3322
2852	if (ref $msg) {	3323	if (ref $msg) {
2853	my ($type, $reply, @payload) =	3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2854	"ARRAY" eq ref $msg
2855	? @$msg
2856	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2857		3325
2858	my @reply;	3326	my @reply;
2859		3327
2860	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTICMD{$type}) {
2861	@reply = $cb->($ns, @payload);	3329	@reply = $cb->($ns, @payload);
…		…
2863		3331
2864	$ns->ext_reply ($reply, @reply)	3332	$ns->ext_reply ($reply, @reply)
2865	if $reply;	3333	if $reply;
2866		3334
2867	} else {	3335	} else {
2868	warn "client " . ($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";
2869	}	3337	}
2870		3338
2871	cf::override;	3339	cf::override;
2872	},	3340	},
2873	);	3341	);
…		…
2893		3361
2894	$coro	3362	$coro
2895	}	3363	}
2896		3364
2897	cf::client->attach (	3365	cf::client->attach (
2898	on_destroy => sub {	3366	on_client_destroy => sub {
2899	my ($ns) = @_;	3367	my ($ns) = @_;
2900		3368
2901	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2902	},	3370	},
2903	);	3371	);
…		…
2919	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
2920		3388
2921	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
2922		3390
2923	$safe->permit_only (Opcode::opset qw(	3391	$safe->permit_only (Opcode::opset qw(
2924	:base_core :base_mem :base_orig :base_math	3392	:base_core :base_mem :base_orig :base_math :base_loop
2925	grepstart grepwhile mapstart mapwhile	3393	grepstart grepwhile mapstart mapwhile
2926	sort time	3394	sort time
2927	));	3395	));
2928		3396
2929	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
…		…
2932		3400
2933	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
2934		3402
2935	cf::object	3403	cf::object
2936	contr pay_amount pay_player map x y force_find force_add destroy	3404	contr pay_amount pay_player map x y force_find force_add destroy
2937	insert remove name archname title slaying race decrease_ob_nr	3405	insert remove name archname title slaying race decrease split
		3406	value
2938		3407
2939	cf::object::player	3408	cf::object::player
2940	player	3409	player
2941		3410
2942	cf::player	3411	cf::player
…		…
2947		3416
2948	=cut	3417	=cut
2949		3418
2950	for (	3419	for (
2951	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2952	insert remove inv name archname title slaying race	3421	insert remove inv nrof name archname title slaying race
2953	decrease_ob_nr destroy)],	3422	decrease split destroy change_exp value msg lore send_msg)],
2954	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
2955	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
2956	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
2957	) {	3426	) {
2958	no strict 'refs';
2959	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
2960	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2961	for @funs;	3429	for @funs;
2962	}	3430	}
2963		3431
…		…
2978		3446
2979	my $qcode = $code;	3447	my $qcode = $code;
2980	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2981	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
2982		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
2983	local $_;	3454	local $_;
2984	local @safe::cf::_safe_eval_args = values %vars;
2985		3455
2986	my $eval =	3456	my $eval =
2987	"do {\n"	3457	"do {\n"
2988	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2989	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
2990	. $code	3460	. $code
2991	. "\n}"	3461	. "\n}"
2992	;	3462	;
2993		3463
		3464	if ($CFG{safe_eval}) {
2994	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
2995	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2996	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
2997		3473
2998	if ($@) {	3474	if ($@) {
2999	warn "$@";	3475	warn "$@",
3000	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
3001	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
3002	}	3478	}
3003		3479
3004	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
3005	}	3481	}
3006		3482
…		…
3020	=cut	3496	=cut
3021		3497
3022	sub register_script_function {	3498	sub register_script_function {
3023	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
3024		3500
3025	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
3026	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
3027	}	3503	}
3028		3504
3029	=back	3505	=back
3030		3506
3031	=cut	3507	=cut
3032		3508
3033	#############################################################################	3509	#############################################################################
3034	# 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
3035		3513
3036	sub load_facedata($) {	3514	sub load_facedata($) {
3037	my ($path) = @_;	3515	my ($path) = @_;
3038		3516
3039	# 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
3040	# for this (global event?)	3518	# for this (global event?)
3041	%ext::player_env::MUSIC_FACE_CACHE = ();	3519	%ext::player_env::MUSIC_FACE_CACHE = ();
3042		3520
3043	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3521	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3044		3522
3045	warn "loading facedata from $path\n";	3523	trace "loading facedata from $path\n";
3046		3524
3047	my $facedata;	3525	my $facedata = decode_storable load_file $path;
3048	0 < aio_load $path, $facedata
3049	or die "$path: $!";
3050
3051	$facedata = Coro::Storable::thaw $facedata;
3052		3526
3053	$facedata->{version} == 2	3527	$facedata->{version} == 2
3054	or cf::cleanup "$path: version mismatch, cannot proceed.";	3528	or cf::cleanup "$path: version mismatch, cannot proceed.";
3055		3529
3056	# 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]);
3057	$facedata->{resource}{"res/exp_table"} = {	3532	$facedata->{resource}{"res/exp_table"} = {
3058	type => FT_RSRC,	3533	type => FT_RSRC,
3059	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3534	data => $exp_table,
		3535	hash => (cf::face::mangle_chksum Digest::MD5::md5 $exp_table),
3060	};	3536	};
3061	cf::cede_to_tick;	3537	cf::cede_to_tick;
3062		3538
3063	{	3539	{
3064	my $faces = $facedata->{faceinfo};	3540	my $faces = $facedata->{faceinfo};
3065		3541
3066	while (my ($face, $info) = each %$faces) {	3542	for my $face (sort keys %$faces) {
		3543	my $info = $faces->{$face};
3067	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3544	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3545
3068	cf::face::set_visibility $idx, $info->{visibility};	3546	cf::face::set_visibility $idx, $info->{visibility};
3069	cf::face::set_magicmap $idx, $info->{magicmap};	3547	cf::face::set_magicmap $idx, $info->{magicmap};
3070	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3548	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3071	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}} = $idx;#d#
3072		3552
3073	cf::cede_to_tick;	3553	cf::cede_to_tick;
3074	}	3554	}
3075		3555
3076	while (my ($face, $info) = each %$faces) {	3556	while (my ($face, $info) = each %$faces) {
3077	next unless $info->{smooth};	3557	next unless $info->{smooth};
		3558
3078	my $idx = cf::face::find $face	3559	my $idx = cf::face::find $face
3079	or next;	3560	or next;
		3561
3080	if (my $smooth = cf::face::find $info->{smooth}) {	3562	if (my $smooth = cf::face::find $info->{smooth}) {
3081	cf::face::set_smooth $idx, $smooth;	3563	cf::face::set_smooth $idx, $smooth;
3082	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3564	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3083	} else {	3565	} else {
3084	warn "smooth face '$info->{smooth}' not found for face '$face'";	3566	error "smooth face '$info->{smooth}' not found for face '$face'";
3085	}	3567	}
3086		3568
3087	cf::cede_to_tick;	3569	cf::cede_to_tick;
3088	}	3570	}
3089	}	3571	}
…		…
3098		3580
3099	cf::anim::invalidate_all; # d'oh	3581	cf::anim::invalidate_all; # d'oh
3100	}	3582	}
3101		3583
3102	{	3584	{
3103	# TODO: for gcfclient pleasure, we should give resources
3104	# that gcfclient doesn't grok a >10000 face index.
3105	my $res = $facedata->{resource};	3585	my $res = $facedata->{resource};
3106		3586
3107	my $soundconf = delete $res->{"res/sound.conf"};
3108
3109	while (my ($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
3110	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3590	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3111	my $data;
3112		3591
3113	if ($info->{type} & 1) {	3592	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3114	# prepend meta info	3593	cf::face::set_type $idx, $type;
3115		3594	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3116	my $meta = $enc->encode ({	3595	$FACEHASH{$info->{hash}} = $idx;#d#
3117	name => $name,
3118	%{ $info->{meta} || {} },
3119	});
3120
3121	$data = pack "(w/a*)*", $meta, $info->{data};
3122	} else {	3596	} else {
3123	$data = $info->{data};	3597	# $RESOURCE{$name} = $info; # unused
3124	}	3598	}
3125		3599
3126	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3127	cf::face::set_type $idx, $info->{type};
3128
3129	cf::cede_to_tick;	3600	cf::cede_to_tick;
3130	}	3601	}
3131
3132	if ($soundconf) {
3133	$soundconf = $enc->decode (delete $soundconf->{data});
3134
3135	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3136	my $sound = $soundconf->{compat}[$_]
3137	or next;
3138
3139	my $face = cf::face::find "sound/$sound->[1]";
3140	cf::sound::set $sound->[0] => $face;
3141	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3142	}
3143
3144	while (my ($k, $v) = each %{$soundconf->{event}}) {
3145	my $face = cf::face::find "sound/$v";
3146	cf::sound::set $k => $face;
3147	}
3148	}
3149	}	3602	}
		3603
		3604	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3150		3605
3151	1	3606	1
3152	}	3607	}
3153		3608
3154	register_exticmd fx_want => sub {	3609	register_exticmd fx_want => sub {
…		…
3156		3611
3157	while (my ($k, $v) = each %$want) {	3612	while (my ($k, $v) = each %$want) {
3158	$ns->fx_want ($k, $v);	3613	$ns->fx_want ($k, $v);
3159	}	3614	}
3160	};	3615	};
		3616
		3617	sub load_resource_file($) {
		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	$status
		3625	}
3161		3626
3162	sub reload_regions {	3627	sub reload_regions {
3163	# HACK to clear player env face cache, we need some signal framework	3628	# HACK to clear player env face cache, we need some signal framework
3164	# for this (global event?)	3629	# for this (global event?)
3165	%ext::player_env::MUSIC_FACE_CACHE = ();	3630	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3179	}	3644	}
3180		3645
3181	sub reload_archetypes {	3646	sub reload_archetypes {
3182	load_resource_file "$DATADIR/archetypes"	3647	load_resource_file "$DATADIR/archetypes"
3183	or die "unable to load archetypes\n";	3648	or die "unable to load archetypes\n";
3184	#d# NEED to laod twice to resolve forward references
3185	# this really needs to be done in an extra post-pass
3186	# (which needs to be synchronous, so solve it differently)
3187	load_resource_file "$DATADIR/archetypes"
3188	or die "unable to load archetypes\n";
3189	}	3649	}
3190		3650
3191	sub reload_treasures {	3651	sub reload_treasures {
3192	load_resource_file "$DATADIR/treasures"	3652	load_resource_file "$DATADIR/treasures"
3193	or die "unable to load treasurelists\n";	3653	or die "unable to load treasurelists\n";
3194	}	3654	}
3195		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
3196	sub reload_resources {	3676	sub reload_resources {
3197	warn "reloading resource files...\n";	3677	trace "reloading resource files...\n";
3198		3678
		3679	reload_exp_table;
		3680	reload_materials;
		3681	reload_facedata;
		3682	reload_sound;
		3683	reload_archetypes;
3199	reload_regions;	3684	reload_regions;
3200	reload_facedata;
3201	#reload_archetypes;#d#
3202	reload_archetypes;
3203	reload_treasures;	3685	reload_treasures;
3204		3686
3205	warn "finished reloading resource files\n";	3687	trace "finished reloading resource files\n";
3206	}
3207
3208	sub init {
3209	reload_resources;
3210	}	3688	}
3211		3689
3212	sub reload_config {	3690	sub reload_config {
3213	open my $fh, "<:utf8", "$CONFDIR/config"	3691	trace "reloading config file...\n";
3214	or return;
3215		3692
3216	local $/;	3693	my $config = load_file "$CONFDIR/config";
3217	*CFG = YAML::Syck::Load <$fh>;	3694	utf8::decode $config;
		3695	*CFG = decode_yaml $config;
3218		3696
3219	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3220		3698
3221	$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};
3222	$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};
3223		3701
3224	if (exists $CFG{mlockall}) {	3702	if (exists $CFG{mlockall}) {
…		…
3228	};	3706	};
3229	warn $@ if $@;	3707	warn $@ if $@;
3230	}	3708	}
3231	}	3709	}
3232		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
3233	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
3234	# we must not ever block the main coroutine	3749	# we must not ever block the main coroutine
3235	local $Coro::idle = sub {	3750	$Coro::idle = sub {
3236	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#
3237	(async {	3752	(async {
3238	$Coro::current->{desc} = "IDLE BUG HANDLER";	3753	$Coro::current->{desc} = "IDLE BUG HANDLER";
3239	Event::one_event;	3754	EV::loop EV::LOOP_ONESHOT;
3240	})->prio (Coro::PRIO_MAX);	3755	})->prio (Coro::PRIO_MAX);
3241	};	3756	};
3242		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;
3243	reload_config;	3770	reload_config;
3244	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
3245	load_extensions;	3781	load_extensions;
3246		3782
3247	$TICK_WATCHER->start;	3783	utime time, time, $RUNTIMEFILE;
3248	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;
3249	}	3800	}
3250		3801
3251	#############################################################################	3802	#############################################################################
3252	# initialisation and cleanup	3803	# initialisation and cleanup
3253		3804
3254	# install some emergency cleanup handlers	3805	# install some emergency cleanup handlers
3255	BEGIN {	3806	BEGIN {
		3807	our %SIGWATCHER = ();
3256	for my $signal (qw(INT HUP TERM)) {	3808	for my $signal (qw(INT HUP TERM)) {
3257	Event->signal (	3809	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3258	reentrant => 0,
3259	data => WF_AUTOCANCEL,
3260	signal => $signal,
3261	prio => 0,
3262	cb => sub {
3263	cf::cleanup "SIG$signal";	3810	cf::cleanup "SIG$signal";
3264	},
3265	);	3811	};
3266	}	3812	}
3267	}	3813	}
3268		3814
3269	sub write_runtime {	3815	sub write_runtime_sync {
3270	my $runtime = "$LOCALDIR/runtime";	3816	my $t0 = AE::time;
3271		3817
3272	# first touch the runtime file to show we are still running:	3818	# first touch the runtime file to show we are still running:
3273	# the fsync below can take a very very long time.	3819	# the fsync below can take a very very long time.
3274		3820
3275	IO::AIO::aio_utime $runtime, undef, undef;	3821	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3276		3822
3277	my $guard = cf::lock_acquire "write_runtime";	3823	my $guard = cf::lock_acquire "write_runtime";
3278		3824
3279	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3825	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3280	or return;	3826	or return;
3281		3827
3282	my $value = $cf::RUNTIME + 90 + 10;	3828	my $value = $cf::RUNTIME + 90 + 10;
3283	# 10 is the runtime save interval, for a monotonic clock	3829	# 10 is the runtime save interval, for a monotonic clock
3284	# 60 allows for the watchdog to kill the server.	3830	# 60 allows for the watchdog to kill the server.
…		…
3294	aio_utime $fh, undef, undef;	3840	aio_utime $fh, undef, undef;
3295		3841
3296	close $fh	3842	close $fh
3297	or return;	3843	or return;
3298		3844
3299	aio_rename "$runtime~", $runtime	3845	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3300	and return;	3846	and return;
3301		3847
3302	warn "runtime file written.\n";	3848	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3303		3849
3304	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 };
3305	}	3901	}
3306		3902
3307	sub emergency_save() {	3903	sub emergency_save() {
3308	my $freeze_guard = cf::freeze_mainloop;	3904	my $freeze_guard = cf::freeze_mainloop;
3309		3905
3310	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;
3311		3912
3312	cf::sync_job {	3913	cf::sync_job {
		3914	cf::write_runtime_sync; # external watchdog should not bark
		3915
3313	# use a peculiar iteration method to avoid tripping on perl	3916	# use a peculiar iteration method to avoid tripping on perl
3314	# refcount bugs in for. also avoids problems with players	3917	# refcount bugs in for. also avoids problems with players
3315	# and maps saved/destroyed asynchronously.	3918	# and maps saved/destroyed asynchronously.
3316	warn "begin emergency player save\n";	3919	info "emergency_perl_save: begin player save\n";
3317	for my $login (keys %cf::PLAYER) {	3920	for my $login (keys %cf::PLAYER) {
3318	my $pl = $cf::PLAYER{$login} or next;	3921	my $pl = $cf::PLAYER{$login} or next;
3319	$pl->valid or next;	3922	$pl->valid or next;
3320	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3923	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3321	$pl->save;	3924	$pl->save;
3322	}	3925	}
3323	warn "end emergency player save\n";	3926	info "emergency_perl_save: end player save\n";
3324		3927
3325	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";
3326	for my $path (keys %cf::MAP) {	3931	for my $path (keys %cf::MAP) {
3327	my $map = $cf::MAP{$path} or next;	3932	my $map = $cf::MAP{$path} or next;
3328	$map->valid or next;	3933	$map->valid or next;
3329	$map->save;	3934	$map->save;
3330	}	3935	}
3331	warn "end emergency map save\n";	3936	info "emergency_perl_save: end map save\n";
3332		3937
3333	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";
3334	BDB::db_env_txn_checkpoint $DB_ENV;	3941	BDB::db_env_txn_checkpoint $DB_ENV;
3335	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 $DB_ENV;
		3952
		3953	info "emergency_perl_save: starting sync\n";
		3954	IO::AIO::aio_sync sub {
		3955	info "emergency_perl_save: finished sync\n";
		3956	};
		3957
		3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	trace "emergency_perl_save: flushing outstanding aio requests";
		3961	while (IO::AIO::nreqs || BDB::nreqs) {
		3962	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3963	}
		3964
		3965	cf::write_runtime_sync; # external watchdog should not bark
3336	};	3966	};
3337		3967
3338	warn "leave emergency perl save\n";	3968	info "emergency_perl_save: leave\n";
3339	}	3969	}
3340		3970
3341	sub post_cleanup {	3971	sub post_cleanup {
3342	my ($make_core) = @_;	3972	my ($make_core) = @_;
3343		3973
		3974	IO::AIO::flush;
		3975
3344	warn Carp::longmess "post_cleanup backtrace"	3976	error Carp::longmess "post_cleanup backtrace"
3345	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	}
3346	}	4006	}
3347		4007
3348	sub do_reload_perl() {	4008	sub do_reload_perl() {
3349	# can/must only be called in main	4009	# can/must only be called in main
3350	if ($Coro::current != $Coro::main) {	4010	unless (in_main) {
3351	warn "can only reload from main coroutine";	4011	error "can only reload from main coroutine";
3352	return;	4012	return;
3353	}	4013	}
3354		4014
3355	warn "reloading...";	4015	return if $RELOAD++;
3356		4016
3357	warn "entering sync_job";	4017	my $t1 = AE::time;
3358		4018
		4019	while ($RELOAD) {
		4020	cf::get_slot 0.1, -1, "reload_perl";
		4021	info "perl_reload: reloading...";
		4022
		4023	trace "perl_reload: entering sync_job";
		4024
3359	cf::sync_job {	4025	cf::sync_job {
3360	cf::write_runtime; # external watchdog should not bark
3361	cf::emergency_save;	4026	#cf::emergency_save;
3362	cf::write_runtime; # external watchdog should not bark
3363		4027
3364	warn "syncing database to disk";
3365	BDB::db_env_txn_checkpoint $DB_ENV;
3366
3367	# if anything goes wrong in here, we should simply crash as we already saved
3368
3369	warn "cancelling all WF_AUTOCANCEL watchers";
3370	for (Event::all_watchers) {
3371	$_->cancel if $_->data & WF_AUTOCANCEL;
3372	}
3373
3374	warn "flushing outstanding aio requests";
3375	for (;;) {
3376	BDB::flush;
3377	IO::AIO::flush;
3378	Coro::cede_notself;
3379	last unless IO::AIO::nreqs || BDB::nreqs;
3380	warn "iterate...";
3381	}
3382
3383	++$RELOAD;
3384
3385	warn "cancelling all extension coros";	4028	trace "perl_reload: cancelling all extension coros";
3386	$_->cancel for values %EXT_CORO;	4029	$_->cancel for values %EXT_CORO;
3387	%EXT_CORO = ();	4030	%EXT_CORO = ();
3388		4031
3389	warn "removing commands";	4032	trace "perl_reload: removing commands";
3390	%COMMAND = ();	4033	%COMMAND = ();
3391		4034
3392	warn "removing ext/exti commands";	4035	trace "perl_reload: removing ext/exti commands";
3393	%EXTCMD = ();	4036	%EXTCMD = ();
3394	%EXTICMD = ();	4037	%EXTICMD = ();
3395		4038
3396	warn "unloading/nuking all extensions";	4039	trace "perl_reload: unloading/nuking all extensions";
3397	for my $pkg (@EXTS) {	4040	for my $pkg (@EXTS) {
3398	warn "... unloading $pkg";	4041	trace "... unloading $pkg";
3399		4042
3400	if (my $cb = $pkg->can ("unload")) {	4043	if (my $cb = $pkg->can ("unload")) {
3401	eval {	4044	eval {
3402	$cb->($pkg);	4045	$cb->($pkg);
3403	1	4046	1
3404	} 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;
3405	}	4052	}
3406		4053
3407	warn "... nuking $pkg";
3408	Symbol::delete_package $pkg;
3409	}
3410
3411	warn "unloading all perl modules loaded from $LIBDIR";	4054	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3412	while (my ($k, $v) = each %INC) {	4055	while (my ($k, $v) = each %INC) {
3413	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4056	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3414		4057
3415	warn "... unloading $k";	4058	trace "... unloading $k";
3416	delete $INC{$k};	4059	delete $INC{$k};
3417		4060
3418	$k =~ s/\.pm$//;	4061	$k =~ s/\.pm$//;
3419	$k =~ s/\//::/g;	4062	$k =~ s/\//::/g;
3420		4063
3421	if (my $cb = $k->can ("unload_module")) {	4064	if (my $cb = $k->can ("unload_module")) {
3422	$cb->();	4065	$cb->();
		4066	}
		4067
		4068	clear_package $k;
3423	}	4069	}
3424		4070
3425	Symbol::delete_package $k;
3426	}
3427
3428	warn "getting rid of safe::, as good as possible";	4071	trace "perl_reload: getting rid of safe::, as good as possible";
3429	Symbol::delete_package "safe::$_"	4072	clear_package "safe::$_"
3430	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);
3431		4074
3432	warn "unloading cf.pm \"a bit\"";	4075	trace "perl_reload: unloading cf.pm \"a bit\"";
3433	delete $INC{"cf.pm"};	4076	delete $INC{"cf.pm"};
3434	delete $INC{"cf/pod.pm"};	4077	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3435		4078
3436	# don't, removes xs symbols, too,	4079	# don't, removes xs symbols, too,
3437	# and global variables created in xs	4080	# and global variables created in xs
3438	#Symbol::delete_package __PACKAGE__;	4081	#clear_package __PACKAGE__;
3439		4082
3440	warn "unload completed, starting to reload now";	4083	info "perl_reload: unload completed, starting to reload now";
3441		4084
3442	warn "reloading cf.pm";	4085	trace "perl_reload: reloading cf.pm";
3443	require cf;	4086	require cf;
3444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4087	cf::_connect_to_perl_1;
3445		4088
3446	warn "loading config and database again";	4089	trace "perl_reload: loading config and database again";
3447	cf::reload_config;	4090	cf::reload_config;
3448		4091
3449	warn "loading extensions";	4092	trace "perl_reload: loading extensions";
3450	cf::load_extensions;	4093	cf::load_extensions;
3451		4094
		4095	if ($REATTACH_ON_RELOAD) {
3452	warn "reattaching attachments to objects/players";	4096	trace "perl_reload: reattaching attachments to objects/players";
3453	_global_reattach; # objects, sockets	4097	_global_reattach; # objects, sockets
3454	warn "reattaching attachments to maps";	4098	trace "perl_reload: reattaching attachments to maps";
3455	reattach $_ for values %MAP;	4099	reattach $_ for values %MAP;
3456	warn "reattaching attachments to players";	4100	trace "perl_reload: reattaching attachments to players";
3457	reattach $_ for values %PLAYER;	4101	reattach $_ for values %PLAYER;
		4102	}
3458		4103
3459	warn "leaving sync_job";	4104	cf::_post_init 1;
3460		4105
		4106	trace "perl_reload: leaving sync_job";
		4107
3461	1	4108	1
3462	} or do {	4109	} or do {
3463	warn $@;	4110	error $@;
3464	warn "error while reloading, exiting.";	4111	cf::cleanup "perl_reload: error, exiting.";
3465	exit 1;	4112	};
		4113
		4114	--$RELOAD;
3466	};	4115	}
3467		4116
3468	warn "reloaded";	4117	$t1 = AE::time - $t1;
		4118	info "perl_reload: completed in ${t1}s\n";
3469	};	4119	};
3470		4120
3471	our $RELOAD_WATCHER; # used only during reload	4121	our $RELOAD_WATCHER; # used only during reload
3472		4122
3473	sub reload_perl() {	4123	sub reload_perl() {
3474	# doing reload synchronously and two reloads happen back-to-back,	4124	# doing reload synchronously and two reloads happen back-to-back,
3475	# coro crashes during coro_state_free->destroy here.	4125	# coro crashes during coro_state_free->destroy here.
3476		4126
3477	$RELOAD_WATCHER ||= Event->timer (	4127	$RELOAD_WATCHER ||= cf::async {
3478	reentrant => 0,	4128	Coro::AIO::aio_wait cache_extensions;
3479	after => 0,	4129
3480	data => WF_AUTOCANCEL,	4130	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3481	cb => sub {
3482	do_reload_perl;	4131	do_reload_perl;
3483	undef $RELOAD_WATCHER;	4132	undef $RELOAD_WATCHER;
3484	},	4133	};
3485	);	4134	};
3486	}	4135	}
3487		4136
3488	register_command "reload" => sub {	4137	register_command "reload" => sub {
3489	my ($who, $arg) = @_;	4138	my ($who, $arg) = @_;
3490		4139
…		…
3495	reload_perl;	4144	reload_perl;
3496	};	4145	};
3497	}	4146	}
3498	};	4147	};
3499		4148
3500	unshift @INC, $LIBDIR;	4149	#############################################################################
3501		4150
3502	my $bug_warning = 0;	4151	my $bug_warning = 0;
3503		4152
3504	our @WAIT_FOR_TICK;
3505	our @WAIT_FOR_TICK_BEGIN;
3506
3507	sub wait_for_tick {	4153	sub wait_for_tick() {
3508	return unless $TICK_WATCHER->is_active;	4154	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3509	return if $Coro::current == $Coro::main;
3510		4155
3511	my $signal = new Coro::Signal;	4156	$WAIT_FOR_TICK->wait;
3512	push @WAIT_FOR_TICK, $signal;
3513	$signal->wait;
3514	}	4157	}
3515		4158
3516	sub wait_for_tick_begin {	4159	sub wait_for_tick_begin() {
3517	return unless $TICK_WATCHER->is_active;	4160	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3518	return if $Coro::current == $Coro::main;
3519		4161
3520	my $signal = new Coro::Signal;	4162	my $signal = new Coro::Signal;
3521	push @WAIT_FOR_TICK_BEGIN, $signal;	4163	push @WAIT_FOR_TICK_BEGIN, $signal;
3522	$signal->wait;	4164	$signal->wait;
3523	}	4165	}
3524		4166
3525	$TICK_WATCHER = Event->timer (	4167	sub tick {
3526	reentrant => 0,
3527	parked => 1,
3528	prio => 0,
3529	at => $NEXT_TICK || $TICK,
3530	data => WF_AUTOCANCEL,
3531	cb => sub {
3532	if ($Coro::current != $Coro::main) {	4168	if ($Coro::current != $Coro::main) {
3533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4169	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3534	unless ++$bug_warning > 10;	4170	unless ++$bug_warning > 10;
3535	return;	4171	return;
3536	}	4172	}
3537		4173
3538	$NOW = $tick_start = Event::time;	4174	cf::one_tick; # one server iteration
3539		4175
3540	cf::server_tick; # one server iteration	4176	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3541		4177
3542	$RUNTIME += $TICK;
3543	$NEXT_TICK += $TICK;
3544
3545	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4178	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3546	$NEXT_RUNTIME_WRITE = $NOW + 10;	4179	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3547	Coro::async_pool {	4180	Coro::async_pool {
3548	$Coro::current->{desc} = "runtime saver";	4181	$Coro::current->{desc} = "runtime saver";
3549	write_runtime	4182	write_runtime_sync
3550	or warn "ERROR: unable to write runtime file: $!";	4183	or error "ERROR: unable to write runtime file: $!";
3551	};
3552	}	4184	};
		4185	}
3553		4186
3554	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4187	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3555	$sig->send;	4188	$sig->send;
3556	}	4189	}
3557	while (my $sig = shift @WAIT_FOR_TICK) {	4190	$WAIT_FOR_TICK->broadcast;
3558	$sig->send;
3559	}
3560		4191
3561	$NOW = Event::time;	4192	$LOAD = ($NOW - $TICK_START) / $TICK;
3562
3563	# if we are delayed by four ticks or more, skip them all
3564	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3565
3566	$TICK_WATCHER->at ($NEXT_TICK);
3567	$TICK_WATCHER->start;
3568
3569	$LOAD = ($NOW - $tick_start) / $TICK;
3570	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4193	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3571		4194
3572	_post_tick;	4195	if (0) {
		4196	if ($NEXT_TICK) {
		4197	my $jitter = $TICK_START - $NEXT_TICK;
		4198	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4199	debug "jitter $JITTER\n";#d#
		4200	}
3573	},	4201	}
3574	);	4202	}
3575		4203
3576	{	4204	{
		4205	# configure BDB
		4206
3577	BDB::min_parallel 8;	4207	BDB::min_parallel 16;
3578	BDB::max_poll_time $TICK * 0.1;	4208	BDB::max_poll_reqs $TICK * 0.1;
3579	$BDB_POLL_WATCHER = Event->io (	4209	#$AnyEvent::BDB::WATCHER->priority (1);
3580	reentrant => 0,
3581	fd => BDB::poll_fileno,
3582	poll => 'r',
3583	prio => 0,
3584	data => WF_AUTOCANCEL,
3585	cb => \&BDB::poll_cb,
3586	);
3587
3588	BDB::set_sync_prepare {
3589	my $status;
3590	my $current = $Coro::current;
3591	(
3592	sub {
3593	$status = $!;
3594	$current->ready; undef $current;
3595	},
3596	sub {
3597	Coro::schedule while defined $current;
3598	$! = $status;
3599	},
3600	)
3601	};
3602		4210
3603	unless ($DB_ENV) {	4211	unless ($DB_ENV) {
3604	$DB_ENV = BDB::db_env_create;	4212	$DB_ENV = BDB::db_env_create;
3605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4213	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3606	| 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;
3607	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4216	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3608	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4217	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3609		4218
3610	cf::sync_job {	4219	cf::sync_job {
3611	eval {	4220	eval {
…		…
3621		4230
3622	cf::cleanup "db_env_open(db): $@" if $@;	4231	cf::cleanup "db_env_open(db): $@" if $@;
3623	};	4232	};
3624	}	4233	}
3625		4234
3626	$BDB_DEADLOCK_WATCHER = Event->timer (	4235	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3627	after => 3,
3628	interval => 1,
3629	hard => 1,
3630	prio => 0,
3631	data => WF_AUTOCANCEL,
3632	cb => sub {
3633	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 { };
3634	},
3635	);	4237	};
3636	$BDB_CHECKPOINT_WATCHER = Event->timer (	4238	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3637	after => 11,
3638	interval => 60,
3639	hard => 1,
3640	prio => 0,
3641	data => WF_AUTOCANCEL,
3642	cb => sub {
3643	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4239	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3644	},
3645	);	4240	};
3646	$BDB_TRICKLE_WATCHER = Event->timer (	4241	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3647	after => 5,
3648	interval => 10,
3649	hard => 1,
3650	prio => 0,
3651	data => WF_AUTOCANCEL,
3652	cb => sub {
3653	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4242	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3654	},
3655	);	4243	};
3656	}	4244	}
3657		4245
3658	{	4246	{
		4247	# configure IO::AIO
		4248
3659	IO::AIO::min_parallel 8;	4249	IO::AIO::min_parallel 8;
3660
3661	undef $Coro::AIO::WATCHER;
3662	IO::AIO::max_poll_time $TICK * 0.1;	4250	IO::AIO::max_poll_time $TICK * 0.1;
3663	$AIO_POLL_WATCHER = Event->io (	4251	undef $AnyEvent::AIO::WATCHER;
3664	reentrant => 0,
3665	data => WF_AUTOCANCEL,
3666	fd => IO::AIO::poll_fileno,
3667	poll => 'r',
3668	prio => 0,
3669	cb => \&IO::AIO::poll_cb,
3670	);
3671	}	4252	}
3672		4253
3673	my $_log_backtrace;	4254	our $_log_backtrace;
		4255	our $_log_backtrace_last;
3674		4256
3675	sub _log_backtrace {	4257	sub _log_backtrace {
3676	my ($msg, @addr) = @_;	4258	my ($msg, @addr) = @_;
3677		4259
3678	$msg =~ s/\n//;	4260	$msg =~ s/\n$//;
3679		4261
		4262	if ($_log_backtrace_last eq $msg) {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3680	# limit the # of concurrent backtraces	4265	# limit the # of concurrent backtraces
3681	if ($_log_backtrace < 2) {	4266	} elsif ($_log_backtrace < 2) {
		4267	$_log_backtrace_last = $msg;
3682	++$_log_backtrace;	4268	++$_log_backtrace;
		4269	my $perl_bt = Carp::longmess $msg;
3683	async {	4270	async {
3684	$Coro::current->{desc} = "abt $msg";	4271	$Coro::current->{desc} = "abt $msg";
3685		4272
3686	my @bt = fork_call {	4273	my @bt = fork_call {
3687	@addr = map { sprintf "%x", $_ } @addr;	4274	@addr = map { sprintf "%x", $_ } @addr;
…		…
3698	}	4285	}
3699		4286
3700	@funcs	4287	@funcs
3701	};	4288	};
3702		4289
3703	LOG llevInfo, "[ABT] $msg\n";	4290	LOG llevInfo, "[ABT] $perl_bt\n";
		4291	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3704	LOG llevInfo, "[ABT] $_\n" for @bt;	4292	LOG llevInfo, "[ABT] $_\n" for @bt;
3705	--$_log_backtrace;	4293	--$_log_backtrace;
3706	};	4294	};
3707	} else {	4295	} else {
3708	LOG llevInfo, "[ABT] $msg\n";	4296	LOG llevInfo, "[ABT] $msg\n";
3709	LOG llevInfo, "[ABT] [suppressed]\n";	4297	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3710	}	4298	}
3711	}	4299	}
3712		4300
3713	# load additional modules	4301	# load additional modules
3714	use cf::pod;	4302	require "cf/$_.pm" for @EXTRA_MODULES;
		4303	cf::_connect_to_perl_2;
3715		4304
3716	END { cf::emergency_save }	4305	END { cf::emergency_save }
3717		4306
3718	1	4307	1
3719		4308

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