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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.389 by root, Sat Oct 20 04:39:57 2007 UTC vs.
Revision 1.581 by root, Fri Feb 3 02:04:11 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Event;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use Guard ();
15	use Coro 4.1 ();	38	use Coro ();
16	use Coro::State;	39	use Coro::State;
17	use Coro::Handle;	40	use Coro::Handle;
		41	use Coro::EV;
18	use Coro::Event;	42	use Coro::AnyEvent;
19	use Coro::Timer;	43	use Coro::Timer;
20	use Coro::Signal;	44	use Coro::Signal;
21	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
22	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
23	use Coro::Storable;	50	use Coro::Storable;
24	use Coro::Util ();	51	use Coro::Util ();
25		52
26	use JSON::XS ();	53	use JSON::XS 2.01 ();
27	use BDB ();	54	use BDB ();
28	use Data::Dumper;	55	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	56	use Fcntl;
31	use YAML::Syck ();	57	use YAML::XS ();
32	use IO::AIO 2.51 ();	58	use IO::AIO ();
33	use Time::HiRes;	59	use Time::HiRes;
34	use Compress::LZF;	60	use Compress::LZF;
35	use Digest::MD5 ();	61	use Digest::MD5 ();
		62
		63	AnyEvent::detect;
36		64
37	# configure various modules to our taste	65	# configure various modules to our taste
38	#	66	#
39	$Storable::canonical = 1; # reduce rsync transfers	67	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		69
		70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		75
43	$Event::Eval = 1; # no idea why this is required, but it is	76	# strictly for debugging
44		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		78
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
51		82
52	our %COMMAND = ();	83	our %COMMAND = ();
53	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
54		85
55	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	87	our %EXTCMD = ();
57	our %EXTICMD = ();	88	our %EXTICMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
60		91
61	our $RELOAD; # number of reloads so far	92	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	93	our @EVENT;
		94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
63		96
64	our $CONFDIR = confdir;	97	our $CONFDIR = confdir;
		98
65	our $DATADIR = datadir;	99	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	100	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	101	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	102	our $MAPDIR = "$DATADIR/" . mapdir;
		103
69	our $LOCALDIR = localdir;	104	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	105	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	106	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	107	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	108	our $RANDOMDIR = "$LOCALDIR/random";
74	our $BDBDIR = "$LOCALDIR/db";	109	our $BDBDIR = "$LOCALDIR/db";
		110	our $PIDFILE = "$LOCALDIR/pid";
		111	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		112
		113	#our %RESOURCE; # unused
		114
		115	our $OUTPUT_RATE_MIN = 3000;
		116	our $OUTPUT_RATE_MAX = 1000000;
		117
		118	our $MAX_LINKS = 32; # how many chained exits to follow
		119	our $VERBOSE_IO = 1;
75		120
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	121	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	122	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	123	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	124	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		125
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	126	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	127	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	128	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	129	our $DB_ENV;
89		130
		131	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		132
90	our %CFG;	133	our %CFG;
91		134
92	our $UPTIME; $UPTIME ||= time;	135	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	136	our $RUNTIME = 0;
		137	our $SERVER_TICK = 0;
		138	our $NOW;
94		139
95	our (%PLAYER, %PLAYER_LOADING); # all users	140	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	141	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	142	our $LINK_MAP; # the special {link} map, which is always available
98		143
99	# used to convert map paths into valid unix filenames by replacing / by ∕	144	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	145	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		146
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	147	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	148	our $LOADAVG; # same thing, but with alpha-smoothing
		149	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	150	our $TICK_START; # for load detecting purposes
		151
		152	our @POST_INIT;
		153
		154	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		155	our $REALLY_UNLOOP; # never set to true, please :)
		156
		157	our $WAIT_FOR_TICK = new Coro::Signal;
		158	our @WAIT_FOR_TICK_BEGIN;
105		159
106	binmode STDOUT;	160	binmode STDOUT;
107	binmode STDERR;	161	binmode STDERR;
108		162
109	# read virtual server time, if available	163	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	164	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	165	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	166	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	167	$RUNTIME = <$fh> + 0.;
114	}	168	}
		169
		170	eval "sub TICK() { $TICK } 1" or die;
115		171
116	mkdir $_	172	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	173	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		174
119	our $EMERGENCY_POSITION;	175	our $EMERGENCY_POSITION;
120		176
121	sub cf::map::normalise;	177	sub cf::map::normalise;
122		178
		179	sub in_main() {
		180	$Coro::current == $Coro::main
		181	}
		182
123	#############################################################################	183	#############################################################################
124		184
		185	%REFLECT = ();
		186	for (@REFLECT) {
		187	my $reflect = JSON::XS::decode_json $_;
		188	$REFLECT{$reflect->{class}} = $reflect;
		189	}
		190
		191	# this is decidedly evil
		192	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		193
		194	#############################################################################
		195
125	=head2 GLOBAL VARIABLES	196	=head2 GLOBAL VARIABLES
126		197
127	=over 4	198	=over 4
128		199
129	=item $cf::UPTIME	200	=item $cf::UPTIME
130		201
131	The timestamp of the server start (so not actually an uptime).	202	The timestamp of the server start (so not actually an "uptime").
		203
		204	=item $cf::SERVER_TICK
		205
		206	An unsigned integer that starts at zero when the server is started and is
		207	incremented on every tick.
		208
		209	=item $cf::NOW
		210
		211	The (real) time of the last (current) server tick - updated before and
		212	after tick processing, so this is useful only as a rough "what time is it
		213	now" estimate.
		214
		215	=item $cf::TICK
		216
		217	The interval between each server tick, in seconds.
132		218
133	=item $cf::RUNTIME	219	=item $cf::RUNTIME
134		220
135	The time this server has run, starts at 0 and is increased by $cf::TICK on	221	The time this server has run, starts at 0 and is increased by $cf::TICK on
136	every server tick.	222	every server tick.
…		…
142	Various directories - "/etc", read-only install directory, perl-library	228	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	229	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	230	unique-items directory, player file directory, random maps directory and
145	database environment.	231	database environment.
146		232
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	233	=item $cf::LOADAVG
156		234
157	The current CPU load on the server (alpha-smoothed), as a value between 0	235	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	236	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	237	objects per tick. Healthy values are < 0.5.
…		…
162		240
163	The raw value load value from the last tick.	241	The raw value load value from the last tick.
164		242
165	=item %cf::CFG	243	=item %cf::CFG
166		244
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	245	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	246	from wherever your confdir points to.
169		247
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	248	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		249
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	250	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	251	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	252	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		253
		254	Note that cf::Wait_for_tick will immediately return when the server is not
		255	ticking, making it suitable for small pauses in threads that need to run
		256	when the server is paused. If that is not applicable (i.e. you I<really>
		257	want to wait, use C<$cf::WAIT_FOR_TICK>).
		258
		259	=item $cf::WAIT_FOR_TICK
		260
		261	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		262	variable contains a L<Coro::Signal> that is broadcats after every server
		263	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		264	next server tick.
		265
		266	=cut
		267
		268	sub wait_for_tick();
		269	sub wait_for_tick_begin();
		270
176	=item @cf::INVOKE_RESULTS	271	=item @cf::INVOKE_RESULTS
177		272
178	This array contains the results of the last C<invoke ()> call. When	273	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	274	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	275	that call.
181		276
		277	=item %cf::REFLECT
		278
		279	Contains, for each (C++) class name, a hash reference with information
		280	about object members (methods, scalars, arrays and flags) and other
		281	metadata, which is useful for introspection.
		282
182	=back	283	=back
183		284
184	=cut	285	=cut
185		286
186	BEGIN {	287	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	288	sub warn (@) { LOG llevWarn , join "", @_ }
		289	sub info (@) { LOG llevInfo , join "", @_ }
		290	sub debug(@) { LOG llevDebug, join "", @_ }
		291	sub trace(@) { LOG llevTrace, join "", @_ }
		292
		293	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	294	my $msg = join "", @_;
189		295
190	$msg .= "\n"	296	$msg .= "\n"
191	unless $msg =~ /\n$/;	297	unless $msg =~ /\n$/;
192		298
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	299	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		300
195	LOG llevError, $msg;	301	LOG llevWarn, $msg;
196	};	302	};
197	}	303
		304	$Coro::State::DIEHOOK = sub {
		305	return unless $^S eq 0; # "eq", not "=="
		306
		307	error Carp::longmess $_[0];
		308
		309	if (in_main) {#d#
		310	error "DIEHOOK called in main context, Coro bug?\n";#d#
		311	return;#d#
		312	}#d#
		313
		314	# kill coroutine otherwise
		315	Coro::terminate
		316	};
198		317
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	318	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	319	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	320	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	321	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	328	for my $pkg (qw(
210	cf::global cf::attachable	329	cf::global cf::attachable
211	cf::object cf::object::player	330	cf::object cf::object::player
212	cf::client cf::player	331	cf::client cf::player
213	cf::arch cf::living	332	cf::arch cf::living
		333	cf::map cf::mapspace
214	cf::map cf::party cf::region	334	cf::party cf::region
215	)) {	335	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	336	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	337	}
219		338
220	$Event::DIED = sub {	339	$EV::DIED = sub {
221	warn "error in event callback: @_";	340	Carp::cluck "error in event callback: @_";
222	};	341	};
		342
		343	#############################################################################
		344
		345	sub fork_call(&@);
		346	sub get_slot($;$$);
223		347
224	#############################################################################	348	#############################################################################
225		349
226	=head2 UTILITY FUNCTIONS	350	=head2 UTILITY FUNCTIONS
227		351
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	372	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	373	$d
250	} || "[unable to dump $_[0]: '$@']";	374	} || "[unable to dump $_[0]: '$@']";
251	}	375	}
252		376
		377	=item $scalar = cf::load_file $path
		378
		379	Loads the given file from path and returns its contents. Croaks on error
		380	and can block.
		381
		382	=cut
		383
		384	sub load_file($) {
		385	0 <= aio_load $_[0], my $data
		386	or Carp::croak "$_[0]: $!";
		387
		388	$data
		389	}
		390
		391	=item $success = cf::replace_file $path, $data, $sync
		392
		393	Atomically replaces the file at the given $path with new $data, and
		394	optionally $sync the data to disk before replacing the file.
		395
		396	=cut
		397
		398	sub replace_file($$;$) {
		399	my ($path, $data, $sync) = @_;
		400
		401	my $lock = cf::lock_acquire ("replace_file:$path");
		402
		403	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		404	or return;
		405
		406	$data = $data->() if ref $data;
		407
		408	length $data == aio_write $fh, 0, (length $data), $data, 0
		409	or return;
		410
		411	!$sync
		412	or !aio_fsync $fh
		413	or return;
		414
		415	aio_close $fh
		416	and return;
		417
		418	aio_rename "$path~", $path
		419	and return;
		420
		421	if ($sync) {
		422	$path =~ s%/[^/]*$%%;
		423	aio_pathsync $path;
		424	}
		425
		426	1
		427	}
		428
253	=item $ref = cf::from_json $json	429	=item $ref = cf::decode_json $json
254		430
255	Converts a JSON string into the corresponding perl data structure.	431	Converts a JSON string into the corresponding perl data structure.
256		432
257	=item $json = cf::to_json $ref	433	=item $json = cf::encode_json $ref
258		434
259	Converts a perl data structure into its JSON representation.	435	Converts a perl data structure into its JSON representation.
260		436
261	=cut	437	=cut
262		438
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	439	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		440
265	sub to_json ($) { $json_coder->encode ($_[0]) }	441	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub from_json ($) { $json_coder->decode ($_[0]) }	442	sub decode_json($) { $json_coder->decode ($_[0]) }
		443
		444	=item $ref = cf::decode_storable $scalar
		445
		446	Same as Coro::Storable::thaw, so blocks.
		447
		448	=cut
		449
		450	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		451
		452	=item $ref = cf::decode_yaml $scalar
		453
		454	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		455
		456	=cut
		457
		458	sub decode_yaml($) {
		459	fork_call { YAML::XS::Load $_[0] } @_
		460	}
		461
		462	=item $scalar = cf::unlzf $scalar
		463
		464	Same as Compress::LZF::compress, but takes server ticks into account, so
		465	blocks.
		466
		467	=cut
		468
		469	sub unlzf($) {
		470	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		471	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		472	Compress::LZF::decompress $_[0]
		473	}
		474
		475	=item cf::post_init { BLOCK }
		476
		477	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		478	but I<before> the server starts ticking again.
		479
		480	The codeblock will have a single boolean argument to indicate whether this
		481	is a reload or not.
		482
		483	=cut
		484
		485	sub post_init(&) {
		486	push @POST_INIT, shift;
		487	}
		488
		489	sub _post_init {
		490	trace "running post_init jobs";
		491
		492	# run them in parallel...
		493
		494	my @join;
		495
		496	while () {
		497	push @join, map &Coro::async ($_, 0), @POST_INIT;
		498	@POST_INIT = ();
		499
		500	@join or last;
		501
		502	(pop @join)->join;
		503	}
		504	}
267		505
268	=item cf::lock_wait $string	506	=item cf::lock_wait $string
269		507
270	Wait until the given lock is available. See cf::lock_acquire.	508	Wait until the given lock is available. See cf::lock_acquire.
271		509
272	=item my $lock = cf::lock_acquire $string	510	=item my $lock = cf::lock_acquire $string
273		511
274	Wait until the given lock is available and then acquires it and returns	512	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,	513	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	514	for example when the coroutine gets canceled), the lock is automatically
277	returned.	515	returned.
278		516
279	Locks are *not* recursive, locking from the same coro twice results in a	517	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	518	deadlocked coro.
…		…
286		524
287	Return true if the lock is currently active, i.e. somebody has locked it.	525	Return true if the lock is currently active, i.e. somebody has locked it.
288		526
289	=cut	527	=cut
290		528
291	our %LOCK;	529	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		530
294	sub lock_wait($) {	531	sub lock_wait($) {
295	my ($key) = @_;	532	$LOCKS->wait ($_[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} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	533	}
308		534
309	sub lock_acquire($) {	535	sub lock_acquire($) {
310	my ($key) = @_;	536	$LOCKS->guard ($_[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	}	537	}
324		538
325	sub lock_active($) {	539	sub lock_active($) {
326	my ($key) = @_;	540	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	541	}
330		542
331	sub freeze_mainloop {	543	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	544	tick_inhibit_inc;
333		545
334	my $guard = Coro::guard {	546	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	547	}
336	};	548
337	$TICK_WATCHER->stop;	549	=item cf::periodic $interval, $cb
338	$guard	550
		551	Like EV::periodic, but randomly selects a starting point so that the actions
		552	get spread over time.
		553
		554	=cut
		555
		556	sub periodic($$) {
		557	my ($interval, $cb) = @_;
		558
		559	my $start = rand List::Util::min 180, $interval;
		560
		561	EV::periodic $start, $interval, 0, $cb
339	}	562	}
340		563
341	=item cf::get_slot $time[, $priority[, $name]]	564	=item cf::get_slot $time[, $priority[, $name]]
342		565
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	566	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	567	(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.	568	C<$time> seconds of cpu time till the next tick. The slot is only valid
		569	till the next cede.
		570
		571	Background jobs should use a priority les than zero, interactive jobs
		572	should use 100 or more.
346		573
347	The optional C<$name> can be used to identify the job to run. It might be	574	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.	575	used for statistical purposes and should identify the same time-class.
349		576
350	Useful for short background jobs.	577	Useful for short background jobs.
351		578
352	=cut	579	=cut
353		580
354	our @SLOT_QUEUE;	581	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	582	our $SLOT_QUEUE;
		583	our $SLOT_DECAY = 0.9;
356		584
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	585	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	586	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	587	$Coro::current->desc ("timeslot manager");
360		588
361	my $signal = new Coro::Signal;	589	my $signal = new Coro::Signal;
		590	my $busy;
362		591
363	while () {	592	while () {
364	next_job:	593	next_job:
		594
365	my $avail = cf::till_tick;	595	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	596
367	for (0 .. $#SLOT_QUEUE) {	597	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	598	if ($SLOT_QUEUE[$_][0] <= $avail) {
		599	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	600	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	601	$job->[2]->send;
371	Coro::cede;	602	Coro::cede;
372	goto next_job;	603	goto next_job;
373	}	604	} else {
		605	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	606	}
375	}	607	}
376		608
377	if (@SLOT_QUEUE) {	609	if (@SLOT_QUEUE) {
378	# we do not use wait_for_tick() as it returns immediately when tick is inactive	610	# we do not use wait_for_tick() as it returns immediately when tick is inactive
379	push @cf::WAIT_FOR_TICK, $signal;	611	$WAIT_FOR_TICK->wait;
380	$signal->wait;
381	} else {	612	} else {
		613	$busy = 0;
382	Coro::schedule;	614	Coro::schedule;
383	}	615	}
384	}	616	}
385	};	617	};
386		618
387	sub get_slot($;$$) {	619	sub get_slot($;$$) {
		620	return if tick_inhibit || $Coro::current == $Coro::main;
		621
388	my ($time, $pri, $name) = @_;	622	my ($time, $pri, $name) = @_;
389		623
390	$time = $TICK * .6 if $time > $TICK * .6;	624	$time = clamp $time, 0.01, $TICK * .6;
		625
391	my $sig = new Coro::Signal;	626	my $sig = new Coro::Signal;
392		627
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	628	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	629	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	630	$SLOT_QUEUE->ready;
…		…
406		641
407	BEGIN { *async = \&Coro::async_pool }	642	BEGIN { *async = \&Coro::async_pool }
408		643
409	=item cf::sync_job { BLOCK }	644	=item cf::sync_job { BLOCK }
410		645
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	646	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	647	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	648	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
414	acceptable.	649	acceptable.
415		650
416	If it must be done, put the blocking parts into C<sync_job>. This will run	651	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	652	the given BLOCK in another coroutine while waiting for the result. The
…		…
421	=cut	656	=cut
422		657
423	sub sync_job(&) {	658	sub sync_job(&) {
424	my ($job) = @_;	659	my ($job) = @_;
425		660
426	if ($Coro::current == $Coro::main) {	661	if (in_main) {
427	my $time = Event::time;	662	my $time = AE::time;
428		663
429	# this is the main coro, too bad, we have to block	664	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	665	# till the operation succeeds, freezing the server :/
431		666
432	LOG llevError, Carp::longmess "sync job";#d#	667	#LOG llevError, Carp::longmess "sync job";#d#
433		668
434	# TODO: use suspend/resume instead
435	# (but this is cancel-safe)
436	my $freeze_guard = freeze_mainloop;	669	my $freeze_guard = freeze_mainloop;
437		670
438	my $busy = 1;	671	my $busy = 1;
439	my @res;	672	my @res;
440		673
441	(async {	674	(async {
442	$Coro::current->desc ("sync job coro");	675	$Coro::current->desc ("sync job coro");
443	@res = eval { $job->() };	676	@res = eval { $job->() };
444	warn $@ if $@;	677	error $@ if $@;
445	undef $busy;	678	undef $busy;
446	})->prio (Coro::PRIO_MAX);	679	})->prio (Coro::PRIO_MAX);
447		680
448	while ($busy) {	681	while ($busy) {
449	if (Coro::nready) {	682	if (Coro::nready) {
450	Coro::cede_notself;	683	Coro::cede_notself;
451	} else {	684	} else {
452	Event::one_event;	685	EV::loop EV::LOOP_ONESHOT;
453	}	686	}
454	}	687	}
455		688
456	$time = Event::time - $time;	689	my $time = AE::time - $time;
457		690
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	691	$TICK_START += $time; # do not account sync jobs to server load
462		692
463	wantarray ? @res : $res[0]	693	wantarray ? @res : $res[0]
464	} else {	694	} else {
465	# we are in another coroutine, how wonderful, everything just works	695	# we are in another coroutine, how wonderful, everything just works
466		696
…		…
486	$EXT_CORO{$coro+0} = $coro;	716	$EXT_CORO{$coro+0} = $coro;
487		717
488	$coro	718	$coro
489	}	719	}
490		720
491	=item fork_call { }, $args	721	=item fork_call { }, @args
492		722
493	Executes the given code block with the given arguments in a seperate	723	Executes the given code block with the given arguments in a seperate
494	process, returning the results. Everything must be serialisable with	724	process, returning the results. Everything must be serialisable with
495	Coro::Storable. May, of course, block. Note that the executed sub may	725	Coro::Storable. May, of course, block. Note that the executed sub may
496	never block itself or use any form of Event handling.	726	never block itself or use any form of event handling.
497		727
498	=cut	728	=cut
		729
		730	sub post_fork {
		731	reset_signals;
		732	}
499		733
500	sub fork_call(&@) {	734	sub fork_call(&@) {
501	my ($cb, @args) = @_;	735	my ($cb, @args) = @_;
502		736
503	# we seemingly have to make a local copy of the whole thing,	737	# we seemingly have to make a local copy of the whole thing,
504	# otherwise perl prematurely frees the stuff :/	738	# otherwise perl prematurely frees the stuff :/
505	# TODO: investigate and fix (likely this will be rather laborious)	739	# TODO: investigate and fix (likely this will be rather laborious)
506		740
507	my @res = Coro::Util::fork_eval {	741	my @res = Coro::Util::fork_eval {
508	reset_signals;	742	cf::post_fork;
509	&$cb	743	&$cb
510	}, @args;	744	} @args;
511		745
512	wantarray ? @res : $res[-1]	746	wantarray ? @res : $res[-1]
		747	}
		748
		749	sub objinfo {
		750	(
		751	"counter value" => cf::object::object_count,
		752	"objects created" => cf::object::create_count,
		753	"objects destroyed" => cf::object::destroy_count,
		754	"freelist size" => cf::object::free_count,
		755	"allocated objects" => cf::object::objects_size,
		756	"active objects" => cf::object::actives_size,
		757	)
		758	}
		759
		760	=item $coin = coin_from_name $name
		761
		762	=cut
		763
		764	our %coin_alias = (
		765	"silver" => "silvercoin",
		766	"silvercoin" => "silvercoin",
		767	"silvercoins" => "silvercoin",
		768	"gold" => "goldcoin",
		769	"goldcoin" => "goldcoin",
		770	"goldcoins" => "goldcoin",
		771	"platinum" => "platinacoin",
		772	"platinumcoin" => "platinacoin",
		773	"platinumcoins" => "platinacoin",
		774	"platina" => "platinacoin",
		775	"platinacoin" => "platinacoin",
		776	"platinacoins" => "platinacoin",
		777	"royalty" => "royalty",
		778	"royalties" => "royalty",
		779	);
		780
		781	sub coin_from_name($) {
		782	$coin_alias{$_[0]}
		783	? cf::arch::find $coin_alias{$_[0]}
		784	: undef
513	}	785	}
514		786
515	=item $value = cf::db_get $family => $key	787	=item $value = cf::db_get $family => $key
516		788
517	Returns a single value from the environment database.	789	Returns a single value from the environment database.
…		…
527	within each server.	799	within each server.
528		800
529	=cut	801	=cut
530		802
531	sub db_table($) {	803	sub db_table($) {
		804	cf::error "db_get called from main context"
		805	if $Coro::current == $Coro::main;
		806
532	my ($name) = @_;	807	my ($name) = @_;
533	my $db = BDB::db_create $DB_ENV;	808	my $db = BDB::db_create $DB_ENV;
534		809
535	eval {	810	eval {
536	$db->set_flags (BDB::CHKSUM);	811	$db->set_flags (BDB::CHKSUM);
…		…
546	}	821	}
547		822
548	our $DB;	823	our $DB;
549		824
550	sub db_init {	825	sub db_init {
551	cf::sync_job {
552	$DB ||= db_table "db";	826	$DB ||= db_table "db";
553	};
554	}	827	}
555		828
556	sub db_get($$) {	829	sub db_get($$) {
557	my $key = "$_[0]/$_[1]";	830	my $key = "$_[0]/$_[1]";
558		831
559	cf::sync_job {	832	cf::error "db_get called from main context"
		833	if $Coro::current == $Coro::main;
		834
560	BDB::db_get $DB, undef, $key, my $data;	835	BDB::db_get $DB, undef, $key, my $data;
561		836
562	$! ? ()	837	$! ? ()
563	: $data	838	: $data
564	}
565	}	839	}
566		840
567	sub db_put($$$) {	841	sub db_put($$$) {
568	BDB::dbreq_pri 4;	842	BDB::dbreq_pri 4;
569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	843	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
597		871
598	my @data;	872	my @data;
599	my $md5;	873	my $md5;
600		874
601	for (0 .. $#$src) {	875	for (0 .. $#$src) {
602	0 <= aio_load $src->[$_], $data[$_]	876	$data[$_] = load_file $src->[$_];
603	or Carp::croak "$src->[$_]: $!";
604	}	877	}
605		878
606	# if processing is expensive, check	879	# if processing is expensive, check
607	# checksum first	880	# checksum first
608	if (1) {	881	if (1) {
…		…
625		898
626	my $t1 = Time::HiRes::time;	899	my $t1 = Time::HiRes::time;
627	my $data = $process->(\@data);	900	my $data = $process->(\@data);
628	my $t2 = Time::HiRes::time;	901	my $t2 = Time::HiRes::time;
629		902
630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	903	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
631		904
632	db_put cache => "$id/data", $data;	905	db_put cache => "$id/data", $data;
633	db_put cache => "$id/md5" , $md5;	906	db_put cache => "$id/md5" , $md5;
634	db_put cache => "$id/meta", $meta;	907	db_put cache => "$id/meta", $meta;
635		908
…		…
645		918
646	=cut	919	=cut
647		920
648	sub datalog($@) {	921	sub datalog($@) {
649	my ($type, %kv) = @_;	922	my ($type, %kv) = @_;
650	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	923	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
651	}	924	}
652		925
653	=back	926	=back
654		927
655	=cut	928	=cut
656		929
657	#############################################################################	930	#############################################################################
658		931
659	=head2 ATTACHABLE OBJECTS	932	=head2 ATTACHABLE OBJECTS
660		933
661	Many objects in crossfire are so-called attachable objects. That means you can	934	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")	935	attach callbacks/event handlers (a collection of which is called an "attachment")
663	to it. All such attachable objects support the following methods.	936	to it. All such attachable objects support the following methods.
664		937
665	In the following description, CLASS can be any of C<global>, C<object>	938	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	939	C<player>, C<client> or C<map> (i.e. the attachable objects in
667	Crossfire TRT).	940	Deliantra).
668		941
669	=over 4	942	=over 4
670		943
671	=item $attachable->attach ($attachment, key => $value...)	944	=item $attachable->attach ($attachment, key => $value...)
672		945
…		…
716	=item cf::CLASS::attachment $name, ...	989	=item cf::CLASS::attachment $name, ...
717		990
718	Register an attachment by C<$name> through which attachable objects of the	991	Register an attachment by C<$name> through which attachable objects of the
719	given CLASS can refer to this attachment.	992	given CLASS can refer to this attachment.
720		993
721	Some classes such as crossfire maps and objects can specify attachments	994	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.	995	that are attached at load/instantiate time, thus the need for a name.
723		996
724	These calls expect any number of the following handler/hook descriptions:	997	These calls expect any number of the following handler/hook descriptions:
725		998
726	=over 4	999	=over 4
…		…
850		1123
851	} elsif (exists $cb_id{$type}) {	1124	} elsif (exists $cb_id{$type}) {
852	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1125	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
853		1126
854	} elsif (ref $type) {	1127	} elsif (ref $type) {
855	warn "attaching objects not supported, ignoring.\n";	1128	error "attaching objects not supported, ignoring.\n";
856		1129
857	} else {	1130	} else {
858	shift @arg;	1131	shift @arg;
859	warn "attach argument '$type' not supported, ignoring.\n";	1132	error "attach argument '$type' not supported, ignoring.\n";
860	}	1133	}
861	}	1134	}
862	}	1135	}
863		1136
864	sub _object_attach {	1137	sub _object_attach {
…		…
874	_attach $registry, $klass, @attach;	1147	_attach $registry, $klass, @attach;
875	}	1148	}
876		1149
877	$obj->{$name} = \%arg;	1150	$obj->{$name} = \%arg;
878	} else {	1151	} else {
879	warn "object uses attachment '$name' which is not available, postponing.\n";	1152	info "object uses attachment '$name' which is not available, postponing.\n";
880	}	1153	}
881		1154
882	$obj->{_attachment}{$name} = undef;	1155	$obj->{_attachment}{$name} = undef;
883	}	1156	}
884		1157
…		…
943		1216
944	for (@$callbacks) {	1217	for (@$callbacks) {
945	eval { &{$_->[1]} };	1218	eval { &{$_->[1]} };
946		1219
947	if ($@) {	1220	if ($@) {
948	warn "$@";
949	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1221	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
950	override;	1222	override;
951	}	1223	}
952		1224
953	return 1 if $override;	1225	return 1 if $override;
954	}	1226	}
955		1227
956	0	1228	0
957	}	1229	}
958		1230
959	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1231	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
960		1232
961	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1233	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
962		1234
963	Generate an object-specific event with the given arguments.	1235	Generate an object-specific event with the given arguments.
964		1236
…		…
1017		1289
1018	sub reattach {	1290	sub reattach {
1019	# basically do the same as instantiate, without calling instantiate	1291	# basically do the same as instantiate, without calling instantiate
1020	my ($obj) = @_;	1292	my ($obj) = @_;
1021		1293
		1294	# no longer needed after getting rid of delete_package?
1022	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1295	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1023		1296
1024	my $registry = $obj->registry;	1297	my $registry = $obj->registry;
1025		1298
1026	@$registry = ();	1299	@$registry = ();
1027		1300
…		…
1032	for (@$attach) {	1305	for (@$attach) {
1033	my ($klass, @attach) = @$_;	1306	my ($klass, @attach) = @$_;
1034	_attach $registry, $klass, @attach;	1307	_attach $registry, $klass, @attach;
1035	}	1308	}
1036	} else {	1309	} else {
1037	warn "object uses attachment '$name' that is not available, postponing.\n";	1310	info "object uses attachment '$name' that is not available, postponing.\n";
1038	}	1311	}
1039	}	1312	}
1040	}	1313	}
1041		1314
1042	cf::attachable->attach (	1315	cf::attachable->attach (
1043	prio => -1000000,	1316	prio => -1000000,
1044	on_instantiate => sub {	1317	on_instantiate => sub {
1045	my ($obj, $data) = @_;	1318	my ($obj, $data) = @_;
1046		1319
1047	$data = from_json $data;	1320	$data = decode_json $data;
1048		1321
1049	for (@$data) {	1322	for (@$data) {
1050	my ($name, $args) = @$_;	1323	my ($name, $args) = @$_;
1051		1324
1052	$obj->attach ($name, %{$args || {} });	1325	$obj->attach ($name, %{$args || {} });
…		…
1069	my ($filename, $rdata, $objs) = @_;	1342	my ($filename, $rdata, $objs) = @_;
1070		1343
1071	sync_job {	1344	sync_job {
1072	if (length $$rdata) {	1345	if (length $$rdata) {
1073	utf8::decode (my $decname = $filename);	1346	utf8::decode (my $decname = $filename);
1074	warn sprintf "saving %s (%d,%d)\n",	1347	trace sprintf "saving %s (%d,%d)\n",
1075	$decname, length $$rdata, scalar @$objs;	1348	$decname, length $$rdata, scalar @$objs
		1349	if $VERBOSE_IO;
1076		1350
1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1351	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1078	chmod SAVE_MODE, $fh;	1352	aio_chmod $fh, SAVE_MODE;
1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1353	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1080	aio_fsync $fh if $cf::USE_FSYNC;	1354	if ($cf::USE_FSYNC) {
		1355	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;
		1356	aio_fsync $fh;
		1357	}
1081	close $fh;	1358	aio_close $fh;
1082		1359
1083	if (@$objs) {	1360	if (@$objs) {
1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1361	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1085	chmod SAVE_MODE, $fh;	1362	aio_chmod $fh, SAVE_MODE;
1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1363	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1087	aio_write $fh, 0, (length $data), $data, 0;	1364	aio_write $fh, 0, (length $data), $data, 0;
1088	aio_fsync $fh if $cf::USE_FSYNC;	1365	if ($cf::USE_FSYNC) {
		1366	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;
		1367	aio_fsync $fh;
		1368	}
1089	close $fh;	1369	aio_close $fh;
1090	aio_rename "$filename.pst~", "$filename.pst";	1370	aio_rename "$filename.pst~", "$filename.pst";
1091	}	1371	}
1092	} else {	1372	} else {
1093	aio_unlink "$filename.pst";	1373	aio_unlink "$filename.pst";
1094	}	1374	}
1095		1375
1096	aio_rename "$filename~", $filename;	1376	aio_rename "$filename~", $filename;
		1377
		1378	$filename =~ s%/[^/]+$%%;
		1379	aio_pathsync $filename if $cf::USE_FSYNC;
1097	} else {	1380	} else {
1098	warn "FATAL: $filename~: $!\n";	1381	error "unable to save objects: $filename~: $!\n";
1099	}	1382	}
1100	} else {	1383	} else {
1101	aio_unlink $filename;	1384	aio_unlink $filename;
1102	aio_unlink "$filename.pst";	1385	aio_unlink "$filename.pst";
1103	}	1386	}
…		…
1127	my $st = eval { Coro::Storable::thaw $av };	1410	my $st = eval { Coro::Storable::thaw $av };
1128	$av = $st->{objs};	1411	$av = $st->{objs};
1129	}	1412	}
1130		1413
1131	utf8::decode (my $decname = $filename);	1414	utf8::decode (my $decname = $filename);
1132	warn sprintf "loading %s (%d,%d)\n",	1415	trace sprintf "loading %s (%d,%d)\n",
1133	$decname, length $data, scalar @{$av || []};	1416	$decname, length $data, scalar @{$av || []}
		1417	if $VERBOSE_IO;
1134		1418
1135	($data, $av)	1419	($data, $av)
1136	}	1420	}
1137		1421
1138	=head2 COMMAND CALLBACKS	1422	=head2 COMMAND CALLBACKS
…		…
1194	my ($name, $cb) = @_;	1478	my ($name, $cb) = @_;
1195		1479
1196	$EXTICMD{$name} = $cb;	1480	$EXTICMD{$name} = $cb;
1197	}	1481	}
1198		1482
		1483	use File::Glob ();
		1484
1199	cf::player->attach (	1485	cf::player->attach (
1200	on_command => sub {	1486	on_unknown_command => sub {
1201	my ($pl, $name, $params) = @_;	1487	my ($pl, $name, $params) = @_;
1202		1488
1203	my $cb = $COMMAND{$name}	1489	my $cb = $COMMAND{$name}
1204	or return;	1490	or return;
1205		1491
…		…
1213	my ($pl, $buf) = @_;	1499	my ($pl, $buf) = @_;
1214		1500
1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1501	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1216		1502
1217	if (ref $msg) {	1503	if (ref $msg) {
1218	my ($type, $reply, @payload) =	1504	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1219	"ARRAY" eq ref $msg
1220	? @$msg
1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1222		1505
1223	my @reply;	1506	my @reply;
1224		1507
1225	if (my $cb = $EXTCMD{$type}) {	1508	if (my $cb = $EXTCMD{$type}) {
1226	@reply = $cb->($pl, @payload);	1509	@reply = $cb->($pl, @payload);
…		…
1228		1511
1229	$pl->ext_reply ($reply, @reply)	1512	$pl->ext_reply ($reply, @reply)
1230	if $reply;	1513	if $reply;
1231		1514
1232	} else {	1515	} else {
1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1516	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1234	}	1517	}
1235		1518
1236	cf::override;	1519	cf::override;
1237	},	1520	},
1238	);	1521	);
1239		1522
		1523	# "readahead" all extensions
		1524	sub cache_extensions {
		1525	my $grp = IO::AIO::aio_group;
		1526
		1527	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1528	for (grep /\.ext$/, @{$_[0]}) {
		1529	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1530	}
		1531	};
		1532
		1533	$grp
		1534	}
		1535
1240	sub load_extensions {	1536	sub load_extensions {
		1537	info "loading extensions...";
		1538
1241	cf::sync_job {	1539	cf::sync_job {
1242	my %todo;	1540	my %todo;
1243		1541
1244	for my $path (<$LIBDIR/*.ext>) {	1542	for my $path (<$LIBDIR/*.ext>) {
1245	next unless -r $path;	1543	next unless -r $path;
…		…
1263		1561
1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1562	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1563	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1266		1564
1267	$ext{source} =	1565	$ext{source} =
1268	"package $pkg; use strict; use utf8;\n"	1566	"package $pkg; use common::sense;\n"
1269	. "#line 1 \"$path\"\n{\n"	1567	. "#line 1 \"$path\"\n{\n"
1270	. $source	1568	. $source
1271	. "\n};\n1";	1569	. "\n};\n1";
1272		1570
1273	$todo{$base} = \%ext;	1571	$todo{$base} = \%ext;
1274	}	1572	}
1275		1573
		1574	my $pass = 0;
1276	my %done;	1575	my %done;
1277	while (%todo) {	1576	while (%todo) {
1278	my $progress;	1577	my $progress;
1279		1578
		1579	++$pass;
		1580
		1581	ext:
1280	while (my ($k, $v) = each %todo) {	1582	while (my ($k, $v) = each %todo) {
1281	for (split /,\s*/, $v->{meta}{depends}) {	1583	for (split /,\s*/, $v->{meta}{depends}) {
1282	goto skip	1584	next ext
1283	unless exists $done{$_};	1585	unless exists $done{$_};
1284	}	1586	}
1285		1587
1286	warn "... loading '$k' into '$v->{pkg}'\n";	1588	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1287		1589
1288	unless (eval $v->{source}) {	1590	my $active = eval $v->{source};
		1591
		1592	if (length $@) {
1289	my $msg = $@ ? "$v->{path}: $@\n"	1593	error "$v->{path}: $@\n";
1290	: "$v->{base}: extension inactive.\n";
1291		1594
		1595	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1292	if (exists $v->{meta}{mandatory}) {	1596	if exists $v->{meta}{mandatory};
1293	warn $msg;	1597
1294	warn "mandatory extension failed to load, exiting.\n";	1598	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1295	exit 1;	1599	delete $todo{$k};
1296	}	1600	} else {
1297		1601	$done{$k} = delete $todo{$k};
1298	warn $msg;	1602	push @EXTS, $v->{pkg};
		1603	$progress = 1;
		1604
		1605	info "$v->{base}: extension inactive.\n"
		1606	unless $active;
1299	}	1607	}
1300
1301	$done{$k} = delete $todo{$k};
1302	push @EXTS, $v->{pkg};
1303	$progress = 1;
1304	}	1608	}
1305		1609
1306	skip:	1610	unless ($progress) {
1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1611	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1308	unless $progress;	1612
		1613	while (my ($k, $v) = each %todo) {
		1614	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1615	if exists $v->{meta}{mandatory};
		1616	}
		1617
		1618	last;
		1619	}
1309	}	1620	}
1310	};	1621	};
1311	}	1622	}
1312		1623
1313	#############################################################################	1624	#############################################################################
1314		1625
1315	=back	1626	=back
1316		1627
1317	=head2 CORE EXTENSIONS	1628	=head2 CORE EXTENSIONS
1318		1629
1319	Functions and methods that extend core crossfire objects.	1630	Functions and methods that extend core deliantra objects.
1320		1631
1321	=cut	1632	=cut
1322		1633
1323	package cf::player;	1634	package cf::player;
1324		1635
…		…
1367		1678
1368	sub exists($) {	1679	sub exists($) {
1369	my ($login) = @_;	1680	my ($login) = @_;
1370		1681
1371	$cf::PLAYER{$login}	1682	$cf::PLAYER{$login}
1372	or cf::sync_job { !aio_stat path $login }	1683	or !aio_stat path $login
1373	}	1684	}
1374		1685
1375	sub find($) {	1686	sub find($) {
1376	return $cf::PLAYER{$_[0]} || do {	1687	return $cf::PLAYER{$_[0]} || do {
1377	my $login = $_[0];	1688	my $login = $_[0];
…		…
1389	my $f = new_from_file cf::object::thawer path $login	1700	my $f = new_from_file cf::object::thawer path $login
1390	or return;	1701	or return;
1391		1702
1392	my $pl = cf::player::load_pl $f	1703	my $pl = cf::player::load_pl $f
1393	or return;	1704	or return;
		1705
1394	local $cf::PLAYER_LOADING{$login} = $pl;	1706	local $cf::PLAYER_LOADING{$login} = $pl;
1395	$f->resolve_delayed_derefs;	1707	$f->resolve_delayed_derefs;
1396	$cf::PLAYER{$login} = $pl	1708	$cf::PLAYER{$login} = $pl
1397	}	1709	}
1398	}	1710	}
1399	}	1711	}
1400		1712
		1713	cf::player->attach (
		1714	on_load => sub {
		1715	my ($pl, $path) = @_;
		1716
		1717	# restore slots saved in save, below
		1718	my $slots = delete $pl->{_slots};
		1719
		1720	$pl->ob->current_weapon ($slots->[0]);
		1721	$pl->combat_ob ($slots->[1]);
		1722	$pl->ranged_ob ($slots->[2]);
		1723	},
		1724	);
		1725
1401	sub save($) {	1726	sub save($) {
1402	my ($pl) = @_;	1727	my ($pl) = @_;
1403		1728
1404	return if $pl->{deny_save};	1729	return if $pl->{deny_save};
1405		1730
…		…
1408		1733
1409	return if $pl->{deny_save};	1734	return if $pl->{deny_save};
1410		1735
1411	aio_mkdir playerdir $pl, 0770;	1736	aio_mkdir playerdir $pl, 0770;
1412	$pl->{last_save} = $cf::RUNTIME;	1737	$pl->{last_save} = $cf::RUNTIME;
		1738
		1739	cf::get_slot 0.01;
		1740
		1741	# save slots, to be restored later
		1742	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1413		1743
1414	$pl->save_pl ($path);	1744	$pl->save_pl ($path);
1415	cf::cede_to_tick;	1745	cf::cede_to_tick;
1416	}	1746	}
1417		1747
…		…
1449	my ($pl) = @_;	1779	my ($pl) = @_;
1450		1780
1451	my $name = $pl->ob->name;	1781	my $name = $pl->ob->name;
1452		1782
1453	$pl->{deny_save} = 1;	1783	$pl->{deny_save} = 1;
1454	$pl->password ("*"); # this should lock out the player until we nuked the dir	1784	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1455		1785
1456	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1786	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1457	$pl->deactivate;	1787	$pl->deactivate;
		1788
		1789	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1458	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1790	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1791	ext::highscore::check ($pl->ob);
		1792
1459	$pl->ns->destroy if $pl->ns;	1793	$pl->ns->destroy if $pl->ns;
1460		1794
1461	my $path = playerdir $pl;	1795	my $path = playerdir $pl;
1462	my $temp = "$path~$cf::RUNTIME~deleting~";	1796	my $temp = "$path~$cf::RUNTIME~deleting~";
1463	aio_rename $path, $temp;	1797	aio_rename $path, $temp;
…		…
1501		1835
1502	for my $login (@$dirs) {	1836	for my $login (@$dirs) {
1503	my $path = path $login;	1837	my $path = path $login;
1504		1838
1505	# a .pst is a dead give-away for a valid player	1839	# a .pst is a dead give-away for a valid player
1506	unless (-e "$path.pst") {	1840	# if no pst file found, open and chekc for blocked users
		1841	if (aio_stat "$path.pst") {
1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1842	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1508	aio_read $fh, 0, 512, my $buf, 0 or next;	1843	aio_read $fh, 0, 512, my $buf, 0 or next;
1509	$buf !~ /^password -------------$/m or next; # official not-valid tag	1844	$buf !~ /^password -------------$/m or next; # official not-valid tag
1510	}	1845	}
1511		1846
…		…
1515		1850
1516	\@logins	1851	\@logins
1517	}	1852	}
1518		1853
1519	=item $player->maps	1854	=item $player->maps
		1855
		1856	=item cf::player::maps $login
1520		1857
1521	Returns an arrayref of map paths that are private for this	1858	Returns an arrayref of map paths that are private for this
1522	player. May block.	1859	player. May block.
1523		1860
1524	=cut	1861	=cut
…		…
1542	}	1879	}
1543		1880
1544	\@paths	1881	\@paths
1545	}	1882	}
1546		1883
1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1884	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1548		1885
1549	Expand crossfire pod fragments into protocol xml.	1886	Expand deliantra pod fragments into protocol xml.
1550
1551	=cut
1552
1553	sub expand_cfpod {
1554	((my $self), (local $_)) = @_;
1555
1556	# escape & and <
1557	s/&/&amp;/g;
1558	s/(?<![BIUGHT])</&lt;/g;
1559
1560	# this is buggy, it needs to properly take care of nested <'s
1561
1562	1 while
1563	# replace B<>, I<>, U<> etc.
1564	s/B<([^\>]*)>/<b>$1<\/b>/
1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1568	# replace G<male|female> tags
1569	|| s{G<([^>|]*)\|([^>]*)>}{
1570	$self->gender ? $2 : $1
1571	}ge
1572	# replace H<hint text>
1573	|| s{H<([^\>]*)>}
1574	{
1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1577	"")
1578	[$self->{hintmode}]
1579	}ge;
1580
1581	# create single paragraphs (very hackish)
1582	s/(?<=\S)\n(?=\w)/ /g;
1583
1584	# compress some whitespace
1585	s/\s+\n/\n/g; # ws line-ends
1586	s/\n\n+/\n/g; # double lines
1587	s/^\n+//; # beginning lines
1588	s/\n+$//; # ending lines
1589
1590	$_
1591	}
1592
1593	sub hintmode {
1594	$_[0]{hintmode} = $_[1] if @_ > 1;
1595	$_[0]{hintmode}
1596	}
1597		1887
1598	=item $player->ext_reply ($msgid, @msg)	1888	=item $player->ext_reply ($msgid, @msg)
1599		1889
1600	Sends an ext reply to the player.	1890	Sends an ext reply to the player.
1601		1891
…		…
1633		1923
1634	=cut	1924	=cut
1635		1925
1636	sub find_by_path($) {	1926	sub find_by_path($) {
1637	my ($path) = @_;	1927	my ($path) = @_;
		1928
		1929	$path =~ s/^~[^\/]*//; # skip ~login
1638		1930
1639	my ($match, $specificity);	1931	my ($match, $specificity);
1640		1932
1641	for my $region (list) {	1933	for my $region (list) {
1642	if ($region->{match} && $path =~ $region->{match}) {	1934	if ($region->{match} && $path =~ $region->{match}) {
…		…
1668	our $MAX_RESET = 3600;	1960	our $MAX_RESET = 3600;
1669	our $DEFAULT_RESET = 3000;	1961	our $DEFAULT_RESET = 3000;
1670		1962
1671	sub generate_random_map {	1963	sub generate_random_map {
1672	my ($self, $rmp) = @_;	1964	my ($self, $rmp) = @_;
1673	# mit "rum" bekleckern, nicht	1965
		1966	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1967
1674	$self->_create_random_map (	1968	$self->_create_random_map ($rmp);
1675	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1676	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1677	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1678	$rmp->{exit_on_final_map},
1679	$rmp->{xsize}, $rmp->{ysize},
1680	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1681	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1682	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1683	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1684	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1685	(cf::region::find $rmp->{region}), $rmp->{custom}
1686	)
1687	}	1969	}
1688		1970
1689	=item cf::map->register ($regex, $prio)	1971	=item cf::map->register ($regex, $prio)
1690		1972
1691	Register a handler for the map path matching the given regex at the	1973	Register a handler for the map path matching the given regex at the
…		…
1696		1978
1697	sub register {	1979	sub register {
1698	my (undef, $regex, $prio) = @_;	1980	my (undef, $regex, $prio) = @_;
1699	my $pkg = caller;	1981	my $pkg = caller;
1700		1982
1701	no strict;
1702	push @{"$pkg\::ISA"}, __PACKAGE__;	1983	push @{"$pkg\::ISA"}, __PACKAGE__;
1703		1984
1704	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	1985	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1705	}	1986	}
1706		1987
1707	# also paths starting with '/'	1988	# also paths starting with '/'
1708	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	1989	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1709		1990
1710	sub thawer_merge {	1991	sub thawer_merge {
1711	my ($self, $merge) = @_;	1992	my ($self, $merge) = @_;
1712		1993
1713	# we have to keep some variables in memory intact	1994	# we have to keep some variables in memory intact
…		…
1718	}	1999	}
1719		2000
1720	sub normalise {	2001	sub normalise {
1721	my ($path, $base) = @_;	2002	my ($path, $base) = @_;
1722		2003
1723	$path = "$path"; # make sure its a string	2004	$path = "$path"; # make sure it's a string
1724		2005
1725	$path =~ s/\.map$//;	2006	$path =~ s/\.map$//;
1726		2007
1727	# map plan:	2008	# map plan:
1728	#	2009	#
…		…
1743	$base =~ s{[^/]+/?$}{};	2024	$base =~ s{[^/]+/?$}{};
1744	$path = "$base/$path";	2025	$path = "$base/$path";
1745	}	2026	}
1746		2027
1747	for ($path) {	2028	for ($path) {
1748	redo if s{//}{/};
1749	redo if s{/\.?/}{/};	2029	redo if s{/\.?/}{/};
1750	redo if s{/[^/]+/\.\./}{/};	2030	redo if s{/[^/]+/\.\./}{/};
1751	}	2031	}
1752		2032
1753	$path	2033	$path
…		…
1767	$self->init; # pass $1 etc.	2047	$self->init; # pass $1 etc.
1768	return $self;	2048	return $self;
1769	}	2049	}
1770	}	2050	}
1771		2051
1772	Carp::cluck "unable to resolve path '$path' (base '$base').";	2052	Carp::cluck "unable to resolve path '$path' (base '$base')";
1773	()	2053	()
1774	}	2054	}
1775		2055
		2056	# may re-bless or do other evil things
1776	sub init {	2057	sub init {
1777	my ($self) = @_;	2058	my ($self) = @_;
1778		2059
1779	$self	2060	$self
1780	}	2061	}
…		…
1799		2080
1800	# the temporary/swap location	2081	# the temporary/swap location
1801	sub save_path {	2082	sub save_path {
1802	my ($self) = @_;	2083	my ($self) = @_;
1803		2084
1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2085	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1805	"$TMPDIR/$path.map"	2086	"$TMPDIR/$path.map"
1806	}	2087	}
1807		2088
1808	# the unique path, undef == no special unique path	2089	# the unique path, undef == no special unique path
1809	sub uniq_path {	2090	sub uniq_path {
1810	my ($self) = @_;	2091	my ($self) = @_;
1811		2092
1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2093	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1813	"$UNIQUEDIR/$path"	2094	"$UNIQUEDIR/$path"
1814	}
1815
1816	# and all this just because we cannot iterate over
1817	# all maps in C++...
1818	sub change_all_map_light {
1819	my ($change) = @_;
1820
1821	$_->change_map_light ($change)
1822	for grep $_->outdoor, values %cf::MAP;
1823	}	2095	}
1824		2096
1825	sub decay_objects {	2097	sub decay_objects {
1826	my ($self) = @_;	2098	my ($self) = @_;
1827		2099
…		…
1854	$self->{load_path} = $path;	2126	$self->{load_path} = $path;
1855		2127
1856	1	2128	1
1857	}	2129	}
1858		2130
		2131	# used to laod the header of an original map
1859	sub load_header_orig {	2132	sub load_header_orig {
1860	my ($self) = @_;	2133	my ($self) = @_;
1861		2134
1862	$self->load_header_from ($self->load_path)	2135	$self->load_header_from ($self->load_path)
1863	}	2136	}
1864		2137
		2138	# used to laod the header of an instantiated map
1865	sub load_header_temp {	2139	sub load_header_temp {
1866	my ($self) = @_;	2140	my ($self) = @_;
1867		2141
1868	$self->load_header_from ($self->save_path)	2142	$self->load_header_from ($self->save_path)
1869	}	2143	}
1870		2144
		2145	# called after loading the header from an instantiated map
1871	sub prepare_temp {	2146	sub prepare_temp {
1872	my ($self) = @_;	2147	my ($self) = @_;
1873		2148
1874	$self->last_access ((delete $self->{last_access})	2149	$self->last_access ((delete $self->{last_access})
1875	|| $cf::RUNTIME); #d#	2150	|| $cf::RUNTIME); #d#
1876	# safety	2151	# safety
1877	$self->{instantiate_time} = $cf::RUNTIME	2152	$self->{instantiate_time} = $cf::RUNTIME
1878	if $self->{instantiate_time} > $cf::RUNTIME;	2153	if $self->{instantiate_time} > $cf::RUNTIME;
1879	}	2154	}
1880		2155
		2156	# called after loading the header from an original map
1881	sub prepare_orig {	2157	sub prepare_orig {
1882	my ($self) = @_;	2158	my ($self) = @_;
1883		2159
1884	$self->{load_original} = 1;	2160	$self->{load_original} = 1;
1885	$self->{instantiate_time} = $cf::RUNTIME;	2161	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1909		2185
1910	sub find;	2186	sub find;
1911	sub find {	2187	sub find {
1912	my ($path, $origin) = @_;	2188	my ($path, $origin) = @_;
1913		2189
		2190	cf::cede_to_tick;
		2191
1914	$path = normalise $path, $origin && $origin->path;	2192	$path = normalise $path, $origin;
1915		2193
1916	cf::lock_wait "map_data:$path";#d#remove	2194	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1917	cf::lock_wait "map_find:$path";	2195	my $guard2 = cf::lock_acquire "map_find:$path";
1918		2196
1919	$cf::MAP{$path} || do {	2197	$cf::MAP{$path} || do {
1920	my $guard1 = cf::lock_acquire "map_find:$path";
1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1922
1923	my $map = new_from_path cf::map $path	2198	my $map = new_from_path cf::map $path
1924	or return;	2199	or return;
1925		2200
1926	$map->{last_save} = $cf::RUNTIME;	2201	$map->{last_save} = $cf::RUNTIME;
1927		2202
…		…
1929	or return;	2204	or return;
1930		2205
1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2206	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1932	# doing this can freeze the server in a sync job, obviously	2207	# doing this can freeze the server in a sync job, obviously
1933	#$cf::WAIT_FOR_TICK->wait;	2208	#$cf::WAIT_FOR_TICK->wait;
		2209	undef $guard2;
1934	undef $guard1;	2210	undef $guard1;
1935	undef $guard2;
1936	$map->reset;	2211	$map->reset;
1937	return find $path;	2212	return find $path;
1938	}	2213	}
1939		2214
1940	$cf::MAP{$path} = $map	2215	$cf::MAP{$path} = $map
1941	}	2216	}
1942	}	2217	}
1943		2218
1944	sub pre_load { }	2219	sub pre_load { }
1945	sub post_load { }	2220	#sub post_load { } # XS
1946		2221
1947	sub load {	2222	sub load {
1948	my ($self) = @_;	2223	my ($self) = @_;
1949		2224
1950	local $self->{deny_reset} = 1; # loading can take a long time	2225	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1953		2228
1954	{	2229	{
1955	my $guard = cf::lock_acquire "map_data:$path";	2230	my $guard = cf::lock_acquire "map_data:$path";
1956		2231
1957	return unless $self->valid;	2232	return unless $self->valid;
1958	return unless $self->in_memory == cf::MAP_SWAPPED;	2233	return unless $self->state == cf::MAP_SWAPPED;
1959
1960	$self->in_memory (cf::MAP_LOADING);
1961		2234
1962	$self->alloc;	2235	$self->alloc;
1963		2236
1964	$self->pre_load;	2237	$self->pre_load;
1965	cf::cede_to_tick;	2238	cf::cede_to_tick;
1966		2239
		2240	if (exists $self->{load_path}) {
1967	my $f = new_from_file cf::object::thawer $self->{load_path};	2241	my $f = new_from_file cf::object::thawer $self->{load_path};
1968	$f->skip_block;	2242	$f->skip_block;
1969	$self->_load_objects ($f)	2243	$self->_load_objects ($f)
1970	or return;	2244	or return;
1971		2245
1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2246	$self->post_load_original
1973	if delete $self->{load_original};	2247	if delete $self->{load_original};
1974		2248
1975	if (my $uniq = $self->uniq_path) {	2249	if (my $uniq = $self->uniq_path) {
1976	utf8::encode $uniq;	2250	utf8::encode $uniq;
1977	unless (aio_stat $uniq) {	2251	unless (aio_stat $uniq) {
1978	if (my $f = new_from_file cf::object::thawer $uniq) {	2252	if (my $f = new_from_file cf::object::thawer $uniq) {
1979	$self->clear_unique_items;	2253	$self->clear_unique_items;
1980	$self->_load_objects ($f);	2254	$self->_load_objects ($f);
1981	$f->resolve_delayed_derefs;	2255	$f->resolve_delayed_derefs;
		2256	}
1982	}	2257	}
1983	}	2258	}
1984	}
1985		2259
1986	$f->resolve_delayed_derefs;	2260	$f->resolve_delayed_derefs;
		2261	} else {
		2262	$self->post_load_original
		2263	if delete $self->{load_original};
		2264	}
		2265
		2266	$self->state (cf::MAP_INACTIVE);
1987		2267
1988	cf::cede_to_tick;	2268	cf::cede_to_tick;
1989	# now do the right thing for maps	2269	# now do the right thing for maps
1990	$self->link_multipart_objects;	2270	$self->link_multipart_objects;
1991	$self->difficulty ($self->estimate_difficulty)	2271	$self->difficulty ($self->estimate_difficulty)
…		…
1995	unless ($self->{deny_activate}) {	2275	unless ($self->{deny_activate}) {
1996	$self->decay_objects;	2276	$self->decay_objects;
1997	$self->fix_auto_apply;	2277	$self->fix_auto_apply;
1998	$self->update_buttons;	2278	$self->update_buttons;
1999	cf::cede_to_tick;	2279	cf::cede_to_tick;
2000	$self->set_darkness_map;	2280	#$self->activate; # no longer activate maps automatically
2001	cf::cede_to_tick;
2002	$self->activate;
2003	}	2281	}
2004		2282
2005	$self->{last_save} = $cf::RUNTIME;	2283	$self->{last_save} = $cf::RUNTIME;
2006	$self->last_access ($cf::RUNTIME);	2284	$self->last_access ($cf::RUNTIME);
2007
2008	$self->in_memory (cf::MAP_IN_MEMORY);
2009	}	2285	}
2010		2286
2011	$self->post_load;	2287	$self->post_load;
2012	}
2013		2288
		2289	1
		2290	}
		2291
		2292	# customize the map for a given player, i.e.
		2293	# return the _real_ map. used by e.g. per-player
		2294	# maps to change the path to ~playername/mappath
2014	sub customise_for {	2295	sub customise_for {
2015	my ($self, $ob) = @_;	2296	my ($self, $ob) = @_;
2016		2297
2017	return find "~" . $ob->name . "/" . $self->{path}	2298	return find "~" . $ob->name . "/" . $self->{path}
2018	if $self->per_player;	2299	if $self->per_player;
…		…
2021	# if $self->per_party;	2302	# if $self->per_party;
2022		2303
2023	$self	2304	$self
2024	}	2305	}
2025		2306
2026	# find and load all maps in the 3x3 area around a map
2027	sub load_neighbours {
2028	my ($map) = @_;
2029
2030	my @neigh; # diagonal neighbours
2031
2032	for (0 .. 3) {
2033	my $neigh = $map->tile_path ($_)
2034	or next;
2035	$neigh = find $neigh, $map
2036	or next;
2037	$neigh->load;
2038
2039	push @neigh,
2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2042	}
2043
2044	for (grep defined $_->[0], @neigh) {
2045	my ($path, $origin) = @$_;
2046	my $neigh = find $path, $origin
2047	or next;
2048	$neigh->load;
2049	}
2050	}
2051
2052	sub find_sync {	2307	sub find_sync {
2053	my ($path, $origin) = @_;	2308	my ($path, $origin) = @_;
2054		2309
2055	cf::sync_job { find $path, $origin }	2310	# it's a bug to call this from the main context
		2311	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2312	if $Coro::current == $Coro::main;
		2313
		2314	find $path, $origin
2056	}	2315	}
2057		2316
2058	sub do_load_sync {	2317	sub do_load_sync {
2059	my ($map) = @_;	2318	my ($map) = @_;
2060		2319
		2320	# it's a bug to call this from the main context
2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2321	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2062	if $Coro::current == $Coro::main;	2322	if $Coro::current == $Coro::main;
2063		2323
2064	cf::sync_job { $map->load };	2324	$map->load;
2065	}	2325	}
2066		2326
2067	our %MAP_PREFETCH;	2327	our %MAP_PREFETCH;
2068	our $MAP_PREFETCHER = undef;	2328	our $MAP_PREFETCHER = undef;
2069		2329
2070	sub find_async {	2330	sub find_async {
2071	my ($path, $origin, $load) = @_;	2331	my ($path, $origin, $load) = @_;
2072		2332
2073	$path = normalise $path, $origin && $origin->{path};	2333	$path = normalise $path, $origin;
2074		2334
2075	if (my $map = $cf::MAP{$path}) {	2335	if (my $map = $cf::MAP{$path}) {
2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2336	return $map if !$load || $map->linkable;
2077	}	2337	}
2078		2338
2079	$MAP_PREFETCH{$path} |= $load;	2339	$MAP_PREFETCH{$path} |= $load;
2080		2340
2081	$MAP_PREFETCHER ||= cf::async {	2341	$MAP_PREFETCHER ||= cf::async {
…		…
2095	$MAP_PREFETCHER->prio (6);	2355	$MAP_PREFETCHER->prio (6);
2096		2356
2097	()	2357	()
2098	}	2358	}
2099		2359
		2360	# common code, used by both ->save and ->swapout
2100	sub save {	2361	sub _save {
2101	my ($self) = @_;	2362	my ($self) = @_;
2102
2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
2104		2363
2105	$self->{last_save} = $cf::RUNTIME;	2364	$self->{last_save} = $cf::RUNTIME;
2106		2365
2107	return unless $self->dirty;	2366	return unless $self->dirty;
2108		2367
…		…
2117		2376
2118	cf::async {	2377	cf::async {
2119	$Coro::current->{desc} = "map player save";	2378	$Coro::current->{desc} = "map player save";
2120	$_->contr->save for $self->players;	2379	$_->contr->save for $self->players;
2121	};	2380	};
		2381
		2382	cf::get_slot 0.02;
2122		2383
2123	if ($uniq) {	2384	if ($uniq) {
2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2385	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2125	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2386	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2126	} else {	2387	} else {
2127	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2388	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2128	}	2389	}
2129	}	2390	}
2130		2391
		2392	sub save {
		2393	my ($self) = @_;
		2394
		2395	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2396
		2397	$self->_save;
		2398	}
		2399
2131	sub swap_out {	2400	sub swap_out {
2132	my ($self) = @_;	2401	my ($self) = @_;
2133		2402
2134	# save first because save cedes
2135	$self->save;
2136
2137	my $lock = cf::lock_acquire "map_data:$self->{path}";	2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
2138		2404
		2405	return if !$self->linkable;
		2406	return if $self->{deny_save};
2139	return if $self->players;	2407	return if $self->players;
2140	return if $self->in_memory != cf::MAP_IN_MEMORY;	2408
		2409	# first deactivate the map and "unlink" it from the core
		2410	$self->deactivate;
		2411	$_->clear_links_to ($self) for values %cf::MAP;
		2412	$self->state (cf::MAP_SWAPPED);
		2413
		2414	# then atomically save
		2415	$self->_save;
		2416
		2417	# then free the map
		2418	$self->clear;
		2419	}
		2420
		2421	sub reset_at {
		2422	my ($self) = @_;
		2423
		2424	# TODO: safety, remove and allow resettable per-player maps
2141	return if $self->{deny_save};	2425	return 1e99 if $self->{deny_reset};
2142		2426
		2427	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2428	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2429
		2430	$time + $to
		2431	}
		2432
		2433	sub should_reset {
		2434	my ($self) = @_;
		2435
		2436	$self->reset_at <= $cf::RUNTIME
		2437	}
		2438
		2439	sub reset {
		2440	my ($self) = @_;
		2441
		2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2443
		2444	return if $self->players;
		2445
		2446	cf::trace "resetting map ", $self->path, "\n";
		2447
2143	$self->in_memory (cf::MAP_SWAPPED);	2448	$self->state (cf::MAP_SWAPPED);
		2449
		2450	# need to save uniques path
		2451	unless ($self->{deny_save}) {
		2452	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2453
		2454	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2455	if $uniq;
		2456	}
		2457
		2458	delete $cf::MAP{$self->path};
2144		2459
2145	$self->deactivate;	2460	$self->deactivate;
2146	$_->clear_links_to ($self) for values %cf::MAP;	2461	$_->clear_links_to ($self) for values %cf::MAP;
2147	$self->clear;	2462	$self->clear;
2148	}
2149
2150	sub reset_at {
2151	my ($self) = @_;
2152
2153	# TODO: safety, remove and allow resettable per-player maps
2154	return 1e99 if $self->{deny_reset};
2155
2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2158
2159	$time + $to
2160	}
2161
2162	sub should_reset {
2163	my ($self) = @_;
2164
2165	$self->reset_at <= $cf::RUNTIME
2166	}
2167
2168	sub reset {
2169	my ($self) = @_;
2170
2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
2172
2173	return if $self->players;
2174
2175	warn "resetting map ", $self->path;
2176
2177	$self->in_memory (cf::MAP_SWAPPED);
2178
2179	# need to save uniques path
2180	unless ($self->{deny_save}) {
2181	my $uniq = $self->uniq_path; utf8::encode $uniq;
2182
2183	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2184	if $uniq;
2185	}
2186
2187	delete $cf::MAP{$self->path};
2188
2189	$self->deactivate;
2190	$_->clear_links_to ($self) for values %cf::MAP;
2191	$self->clear;
2192		2463
2193	$self->unlink_save;	2464	$self->unlink_save;
2194	$self->destroy;	2465	$self->destroy;
2195	}	2466	}
2196		2467
…		…
2204		2475
2205	delete $cf::MAP{$self->path};	2476	delete $cf::MAP{$self->path};
2206		2477
2207	$self->unlink_save;	2478	$self->unlink_save;
2208		2479
2209	bless $self, "cf::map";	2480	bless $self, "cf::map::wrap";
2210	delete $self->{deny_reset};	2481	delete $self->{deny_reset};
2211	$self->{deny_save} = 1;	2482	$self->{deny_save} = 1;
2212	$self->reset_timeout (1);	2483	$self->reset_timeout (1);
2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2484	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2214		2485
…		…
2263		2534
2264	sub unique_maps() {	2535	sub unique_maps() {
2265	[	2536	[
2266	map {	2537	map {
2267	utf8::decode $_;	2538	utf8::decode $_;
2268	/\.map$/	2539	s/\.map$//; # TODO future compatibility hack
		2540	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2541	? ()
2269	? normalise $_	2542	: normalise $_
2270	: ()
2271	} @{ aio_readdir $UNIQUEDIR or [] }	2543	} @{ aio_readdir $UNIQUEDIR or [] }
2272	]	2544	]
2273	}	2545	}
2274		2546
2275	package cf;	2547	=item cf::map::static_maps
		2548
		2549	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2550	file in the shared directory excluding F</styles> and F</editor>). May
		2551	block.
		2552
		2553	=cut
		2554
		2555	sub static_maps() {
		2556	my @dirs = "";
		2557	my @maps;
		2558
		2559	while (@dirs) {
		2560	my $dir = shift @dirs;
		2561
		2562	next if $dir eq "/styles" || $dir eq "/editor";
		2563
		2564	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2565	or return;
		2566
		2567	for (@$files) {
		2568	s/\.map$// or next;
		2569	utf8::decode $_;
		2570	push @maps, "$dir/$_";
		2571	}
		2572
		2573	push @dirs, map "$dir/$_", @$dirs;
		2574	}
		2575
		2576	\@maps
		2577	}
2276		2578
2277	=back	2579	=back
2278		2580
2279	=head3 cf::object	2581	=head3 cf::object
2280		2582
…		…
2284		2586
2285	=over 4	2587	=over 4
2286		2588
2287	=item $ob->inv_recursive	2589	=item $ob->inv_recursive
2288		2590
2289	Returns the inventory of the object _and_ their inventories, recursively.	2591	Returns the inventory of the object I<and> their inventories, recursively,
		2592	but I<not> the object itself.
2290		2593
2291	=cut	2594	=cut
2292		2595
2293	sub inv_recursive_;	2596	sub inv_recursive_;
2294	sub inv_recursive_ {	2597	sub inv_recursive_ {
…		…
2299	inv_recursive_ inv $_[0]	2602	inv_recursive_ inv $_[0]
2300	}	2603	}
2301		2604
2302	=item $ref = $ob->ref	2605	=item $ref = $ob->ref
2303		2606
2304	creates and returns a persistent reference to an objetc that can be stored as a string.	2607	Creates and returns a persistent reference to an object that can be stored as a string.
2305		2608
2306	=item $ob = cf::object::deref ($refstring)	2609	=item $ob = cf::object::deref ($refstring)
2307		2610
2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2611	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2309	even if the object actually exists. May block.	2612	even if the object actually exists. May block.
…		…
2341	can be C<undef>. Does the right thing when the player is currently in a	2644	can be C<undef>. Does the right thing when the player is currently in a
2342	dialogue with the given NPC character.	2645	dialogue with the given NPC character.
2343		2646
2344	=cut	2647	=cut
2345		2648
		2649	our $SAY_CHANNEL = {
		2650	id => "say",
		2651	title => "Map",
		2652	reply => "say ",
		2653	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2654	};
		2655
		2656	our $CHAT_CHANNEL = {
		2657	id => "chat",
		2658	title => "Chat",
		2659	reply => "chat ",
		2660	tooltip => "Player chat and shouts, global to the server.",
		2661	};
		2662
2346	# rough implementation of a future "reply" method that works	2663	# rough implementation of a future "reply" method that works
2347	# with dialog boxes.	2664	# with dialog boxes.
2348	#TODO: the first argument must go, split into a $npc->reply_to ( method	2665	#TODO: the first argument must go, split into a $npc->reply_to ( method
2349	sub cf::object::player::reply($$$;$) {	2666	sub cf::object::player::reply($$$;$) {
2350	my ($self, $npc, $msg, $flags) = @_;	2667	my ($self, $npc, $msg, $flags) = @_;
…		…
2361	my $dialog = $pl->{npc_dialog};	2678	my $dialog = $pl->{npc_dialog};
2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2679	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2363		2680
2364	} else {	2681	} else {
2365	$msg = $npc->name . " says: $msg" if $npc;	2682	$msg = $npc->name . " says: $msg" if $npc;
2366	$self->message ($msg, $flags);	2683	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2367	}	2684	}
2368	}	2685	}
2369	}	2686	}
2370		2687
2371	=item $object->send_msg ($channel, $msg, $color, [extra...])	2688	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2396		2713
2397	=item $player_object->enter_link	2714	=item $player_object->enter_link
2398		2715
2399	Freezes the player and moves him/her to a special map (C<{link}>).	2716	Freezes the player and moves him/her to a special map (C<{link}>).
2400		2717
2401	The player should be reasonably safe there for short amounts of time. You	2718	The player should be reasonably safe there for short amounts of time (e.g.
2402	I<MUST> call C<leave_link> as soon as possible, though.	2719	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2720	though, as the player cannot control the character while it is on the link
		2721	map.
2403		2722
2404	Will never block.	2723	Will never block.
2405		2724
2406	=item $player_object->leave_link ($map, $x, $y)	2725	=item $player_object->leave_link ($map, $x, $y)
2407		2726
…		…
2427	sub cf::object::player::enter_link {	2746	sub cf::object::player::enter_link {
2428	my ($self) = @_;	2747	my ($self) = @_;
2429		2748
2430	$self->deactivate_recursive;	2749	$self->deactivate_recursive;
2431		2750
		2751	++$self->{_link_recursion};
		2752
2432	return if UNIVERSAL::isa $self->map, "ext::map_link";	2753	return if UNIVERSAL::isa $self->map, "ext::map_link";
2433		2754
2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2755	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2435	if $self->map && $self->map->{path} ne "{link}";	2756	if $self->map && $self->map->{path} ne "{link}";
2436		2757
2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2758	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2438	}	2759	}
2439		2760
2440	sub cf::object::player::leave_link {	2761	sub cf::object::player::leave_link {
2441	my ($self, $map, $x, $y) = @_;	2762	my ($self, $map, $x, $y) = @_;
2442		2763
…		…
2459	($x, $y) = (-1, -1)	2780	($x, $y) = (-1, -1)
2460	unless (defined $x) && (defined $y);	2781	unless (defined $x) && (defined $y);
2461		2782
2462	# use -1 or undef as default coordinates, not 0, 0	2783	# use -1 or undef as default coordinates, not 0, 0
2463	($x, $y) = ($map->enter_x, $map->enter_y)	2784	($x, $y) = ($map->enter_x, $map->enter_y)
2464	if $x <=0 && $y <= 0;	2785	if $x <= 0 && $y <= 0;
2465		2786
2466	$map->load;	2787	$map->load;
2467	$map->load_neighbours;
2468		2788
2469	return unless $self->contr->active;	2789	return unless $self->contr->active;
2470	$self->activate_recursive;
2471		2790
2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2791	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2473	$self->enter_map ($map, $x, $y);	2792	if ($self->enter_map ($map, $x, $y)) {
2474	}	2793	# entering was successful
		2794	delete $self->{_link_recursion};
		2795	# only activate afterwards, to support waiting in hooks
		2796	$self->activate_recursive;
		2797	}
2475		2798
		2799	}
		2800
2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2801	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2477		2802
2478	Moves the player to the given map-path and coordinates by first freezing	2803	Moves the player to the given map-path and coordinates by first freezing
2479	her, loading and preparing them map, calling the provided $check callback	2804	her, loading and preparing them map, calling the provided $check callback
2480	that has to return the map if sucecssful, and then unfreezes the player on	2805	that has to return the map if sucecssful, and then unfreezes the player on
2481	the new (success) or old (failed) map position. In either case, $done will	2806	the new (success) or old (failed) map position. In either case, $done will
2482	be called at the end of this process.	2807	be called at the end of this process.
2483		2808
		2809	Note that $check will be called with a potentially non-loaded map, so if
		2810	it needs a loaded map it has to call C<< ->load >>.
		2811
2484	=cut	2812	=cut
2485		2813
2486	our $GOTOGEN;	2814	our $GOTOGEN;
2487		2815
2488	sub cf::object::player::goto {	2816	sub cf::object::player::goto {
2489	my ($self, $path, $x, $y, $check, $done) = @_;	2817	my ($self, $path, $x, $y, $check, $done) = @_;
		2818
		2819	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2820	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2821	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2822	($path, $x, $y) = @$EMERGENCY_POSITION;
		2823	}
2490		2824
2491	# do generation counting so two concurrent goto's will be executed in-order	2825	# do generation counting so two concurrent goto's will be executed in-order
2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2826	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2493		2827
2494	$self->enter_link;	2828	$self->enter_link;
…		…
2514	($path, $x, $y) = (undef, undef, undef);	2848	($path, $x, $y) = (undef, undef, undef);
2515	}	2849	}
2516	}	2850	}
2517		2851
2518	my $map = eval {	2852	my $map = eval {
2519	my $map = defined $path ? cf::map::find $path : undef;	2853	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2520		2854
2521	if ($map) {	2855	if ($map) {
2522	$map = $map->customise_for ($self);	2856	$map = $map->customise_for ($self);
2523	$map = $check->($map) if $check && $map;	2857	$map = $check->($map, $x, $y, $self) if $check && $map;
2524	} else {	2858	} else {
2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2859	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2526	}	2860	}
2527		2861
2528	$map	2862	$map
…		…
2536	if ($gen == $self->{_goto_generation}) {	2870	if ($gen == $self->{_goto_generation}) {
2537	delete $self->{_goto_generation};	2871	delete $self->{_goto_generation};
2538	$self->leave_link ($map, $x, $y);	2872	$self->leave_link ($map, $x, $y);
2539	}	2873	}
2540		2874
2541	$done->() if $done;	2875	$done->($self) if $done;
2542	})->prio (1);	2876	})->prio (1);
2543	}	2877	}
2544		2878
2545	=item $player_object->enter_exit ($exit_object)	2879	=item $player_object->enter_exit ($exit_object)
2546		2880
…		…
2566	}	2900	}
2567		2901
2568	sub prepare_random_map {	2902	sub prepare_random_map {
2569	my ($exit) = @_;	2903	my ($exit) = @_;
2570		2904
2571	my $guard = cf::lock_acquire "exit_prepare:$exit";
2572
2573	# all this does is basically replace the /! path by	2905	# all this does is basically replace the /! path by
2574	# a new random map path (?random/...) with a seed	2906	# a new random map path (?random/...) with a seed
2575	# that depends on the exit object	2907	# that depends on the exit object
2576		2908
2577	my $rmp = parse_random_map_params $exit->msg;	2909	my $rmp = parse_random_map_params $exit->msg;
…		…
2579	if ($exit->map) {	2911	if ($exit->map) {
2580	$rmp->{region} = $exit->region->name;	2912	$rmp->{region} = $exit->region->name;
2581	$rmp->{origin_map} = $exit->map->path;	2913	$rmp->{origin_map} = $exit->map->path;
2582	$rmp->{origin_x} = $exit->x;	2914	$rmp->{origin_x} = $exit->x;
2583	$rmp->{origin_y} = $exit->y;	2915	$rmp->{origin_y} = $exit->y;
		2916
		2917	$exit->map->touch;
2584	}	2918	}
2585		2919
2586	$rmp->{random_seed} ||= $exit->random_seed;	2920	$rmp->{random_seed} ||= $exit->random_seed;
2587		2921
2588	my $data = cf::to_json $rmp;	2922	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2589	my $md5 = Digest::MD5::md5_hex $data;	2923	my $md5 = Digest::MD5::md5_hex $data;
2590	my $meta = "$RANDOMDIR/$md5.meta";	2924	my $meta = "$RANDOMDIR/$md5.meta";
2591		2925
2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2593	aio_write $fh, 0, (length $data), $data, 0;	2927	aio_write $fh, 0, (length $data), $data, 0;
2594	undef $fh;	2928	undef $fh;
2595	aio_rename "$meta~", $meta;	2929	aio_rename "$meta~", $meta;
2596		2930
		2931	my $slaying = "?random/$md5";
		2932
		2933	if ($exit->valid) {
2597	$exit->slaying ("?random/$md5");	2934	$exit->slaying ("?random/$md5");
2598	$exit->msg (undef);	2935	$exit->msg (undef);
		2936	}
2599	}	2937	}
2600	}	2938	}
2601		2939
2602	sub cf::object::player::enter_exit {	2940	sub cf::object::player::enter_exit {
2603	my ($self, $exit) = @_;	2941	my ($self, $exit) = @_;
2604		2942
2605	return unless $self->type == cf::PLAYER;	2943	return unless $self->type == cf::PLAYER;
2606		2944
2607	if ($exit->slaying eq "/!") {
2608	#TODO: this should de-fi-ni-te-ly not be a sync-job
2609	# the problem is that $exit might not survive long enough
2610	# so it needs to be done right now, right here
2611	cf::sync_job { prepare_random_map $exit };
2612	}
2613
2614	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2615	my $hp = $exit->stats->hp;
2616	my $sp = $exit->stats->sp;
2617
2618	$self->enter_link;	2945	$self->enter_link;
2619		2946
2620	# if exit is damned, update players death & WoR home-position
2621	$self->contr->savebed ($slaying, $hp, $sp)
2622	if $exit->flag (FLAG_DAMNED);
2623
2624	(async {	2947	(async {
2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2948	$Coro::current->{desc} = "enter_exit";
2626		2949
2627	$self->deactivate_recursive; # just to be sure
2628	unless (eval {	2950	unless (eval {
		2951	$self->deactivate_recursive; # just to be sure
		2952
		2953	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2954	my $x = $exit->stats->hp;
		2955	my $y = $exit->stats->sp;
		2956
		2957	# special map handling
		2958	my $slaying = $exit->slaying;
		2959
		2960	# special map handling
		2961	if ($slaying eq "/!") {
		2962	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2963
		2964	prepare_random_map $exit
		2965	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2966
		2967	$map = $exit->slaying;
		2968
		2969	} elsif ($slaying eq '!up') {
		2970	$map = $exit->map->tile_path (cf::TILE_UP);
		2971	$x = $exit->x;
		2972	$y = $exit->y;
		2973
		2974	} elsif ($slaying eq '!down') {
		2975	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2976	$x = $exit->x;
		2977	$y = $exit->y;
		2978	}
		2979
2629	$self->goto ($slaying, $hp, $sp);	2980	$self->goto ($map, $x, $y);
2630		2981
		2982	# if exit is damned, update players death & WoR home-position
		2983	$self->contr->savebed ($map, $x, $y)
		2984	if $exit->flag (cf::FLAG_DAMNED);
		2985
2631	1;	2986	1
2632	}) {	2987	}) {
2633	$self->message ("Something went wrong deep within the crossfire server. "	2988	$self->message ("Something went wrong deep within the deliantra server. "
2634	. "I'll try to bring you back to the map you were before. "	2989	. "I'll try to bring you back to the map you were before. "
2635	. "Please report this to the dungeon master!",	2990	. "Please report this to the dungeon master!",
2636	cf::NDI_UNIQUE | cf::NDI_RED);	2991	cf::NDI_UNIQUE | cf::NDI_RED);
2637		2992
2638	warn "ERROR in enter_exit: $@";	2993	error "ERROR in enter_exit: $@";
2639	$self->leave_link;	2994	$self->leave_link;
2640	}	2995	}
2641	})->prio (1);	2996	})->prio (1);
2642	}	2997	}
2643		2998
…		…
2655	sub cf::client::send_drawinfo {	3010	sub cf::client::send_drawinfo {
2656	my ($self, $text, $flags) = @_;	3011	my ($self, $text, $flags) = @_;
2657		3012
2658	utf8::encode $text;	3013	utf8::encode $text;
2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3014	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3015	}
		3016
		3017	=item $client->send_big_packet ($pkt)
		3018
		3019	Like C<send_packet>, but tries to compress large packets, and fragments
		3020	them as required.
		3021
		3022	=cut
		3023
		3024	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3025
		3026	sub cf::client::send_big_packet {
		3027	my ($self, $pkt) = @_;
		3028
		3029	# try lzf for large packets
		3030	$pkt = "lzf " . Compress::LZF::compress $pkt
		3031	if 1024 <= length $pkt and $self->{can_lzf};
		3032
		3033	# split very large packets
		3034	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3035	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3036	$pkt = "frag";
		3037	}
		3038
		3039	$self->send_packet ($pkt);
2660	}	3040	}
2661		3041
2662	=item $client->send_msg ($channel, $msg, $color, [extra...])	3042	=item $client->send_msg ($channel, $msg, $color, [extra...])
2663		3043
2664	Send a drawinfo or msg packet to the client, formatting the msg for the	3044	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2666	the message, with C<log> being the default. If C<$color> is negative, suppress	3046	the message, with C<log> being the default. If C<$color> is negative, suppress
2667	the message unless the client supports the msg packet.	3047	the message unless the client supports the msg packet.
2668		3048
2669	=cut	3049	=cut
2670		3050
		3051	# non-persistent channels (usually the info channel)
2671	our %CHANNEL = (	3052	our %CHANNEL = (
		3053	"c/motd" => {
		3054	id => "infobox",
		3055	title => "MOTD",
		3056	reply => undef,
		3057	tooltip => "The message of the day",
		3058	},
2672	"c/identify" => {	3059	"c/identify" => {
2673	id => "infobox",	3060	id => "infobox",
2674	title => "Identify",	3061	title => "Identify",
2675	reply => undef,	3062	reply => undef,
2676	tooltip => "Items recently identified",	3063	tooltip => "Items recently identified",
…		…
2678	"c/examine" => {	3065	"c/examine" => {
2679	id => "infobox",	3066	id => "infobox",
2680	title => "Examine",	3067	title => "Examine",
2681	reply => undef,	3068	reply => undef,
2682	tooltip => "Signs and other items you examined",	3069	tooltip => "Signs and other items you examined",
		3070	},
		3071	"c/shopinfo" => {
		3072	id => "infobox",
		3073	title => "Shop Info",
		3074	reply => undef,
		3075	tooltip => "What your bargaining skill tells you about the shop",
2683	},	3076	},
2684	"c/book" => {	3077	"c/book" => {
2685	id => "infobox",	3078	id => "infobox",
2686	title => "Book",	3079	title => "Book",
2687	reply => undef,	3080	reply => undef,
…		…
2691	id => "infobox",	3084	id => "infobox",
2692	title => "Look",	3085	title => "Look",
2693	reply => undef,	3086	reply => undef,
2694	tooltip => "What you saw there",	3087	tooltip => "What you saw there",
2695	},	3088	},
		3089	"c/who" => {
		3090	id => "infobox",
		3091	title => "Players",
		3092	reply => undef,
		3093	tooltip => "Shows players who are currently online",
		3094	},
		3095	"c/body" => {
		3096	id => "infobox",
		3097	title => "Body Parts",
		3098	reply => undef,
		3099	tooltip => "Shows which body parts you posess and are available",
		3100	},
		3101	"c/statistics" => {
		3102	id => "infobox",
		3103	title => "Statistics",
		3104	reply => undef,
		3105	tooltip => "Shows your primary statistics",
		3106	},
		3107	"c/skills" => {
		3108	id => "infobox",
		3109	title => "Skills",
		3110	reply => undef,
		3111	tooltip => "Shows your experience per skill and item power",
		3112	},
		3113	"c/shopitems" => {
		3114	id => "infobox",
		3115	title => "Shop Items",
		3116	reply => undef,
		3117	tooltip => "Shows the items currently for sale in this shop",
		3118	},
		3119	"c/resistances" => {
		3120	id => "infobox",
		3121	title => "Resistances",
		3122	reply => undef,
		3123	tooltip => "Shows your resistances",
		3124	},
		3125	"c/pets" => {
		3126	id => "infobox",
		3127	title => "Pets",
		3128	reply => undef,
		3129	tooltip => "Shows information abotu your pets/a specific pet",
		3130	},
		3131	"c/perceiveself" => {
		3132	id => "infobox",
		3133	title => "Perceive Self",
		3134	reply => undef,
		3135	tooltip => "You gained detailed knowledge about yourself",
		3136	},
		3137	"c/uptime" => {
		3138	id => "infobox",
		3139	title => "Uptime",
		3140	reply => undef,
		3141	tooltip => "How long the server has been running since last restart",
		3142	},
		3143	"c/mapinfo" => {
		3144	id => "infobox",
		3145	title => "Map Info",
		3146	reply => undef,
		3147	tooltip => "Information related to the maps",
		3148	},
		3149	"c/party" => {
		3150	id => "party",
		3151	title => "Party",
		3152	reply => "gsay ",
		3153	tooltip => "Messages and chat related to your party",
		3154	},
		3155	"c/death" => {
		3156	id => "death",
		3157	title => "Death",
		3158	reply => undef,
		3159	tooltip => "Reason for and more info about your most recent death",
		3160	},
		3161	"c/say" => $SAY_CHANNEL,
		3162	"c/chat" => $CHAT_CHANNEL,
2696	);	3163	);
2697		3164
2698	sub cf::client::send_msg {	3165	sub cf::client::send_msg {
2699	my ($self, $channel, $msg, $color, @extra) = @_;	3166	my ($self, $channel, $msg, $color, @extra) = @_;
2700		3167
2701	$msg = $self->pl->expand_cfpod ($msg);	3168	$msg = $self->pl->expand_cfpod ($msg)
		3169	unless $color & cf::NDI_VERBATIM;
2702		3170
2703	$color &= cf::NDI_CLIENT_MASK; # just in case...	3171	$color &= cf::NDI_CLIENT_MASK; # just in case...
2704		3172
2705	# check predefined channels, for the benefit of C	3173	# check predefined channels, for the benefit of C
2706	if ($CHANNEL{$channel}) {	3174	if ($CHANNEL{$channel}) {
2707	$channel = $CHANNEL{$channel};	3175	$channel = $CHANNEL{$channel};
2708		3176
2709	$self->ext_msg (channel_info => $channel)	3177	$self->ext_msg (channel_info => $channel);
2710	if $self->can_msg;
2711
2712	$channel = $channel->{id};	3178	$channel = $channel->{id};
2713		3179
2714	} elsif (ref $channel) {	3180	} elsif (ref $channel) {
2715	# send meta info to client, if not yet sent	3181	# send meta info to client, if not yet sent
2716	unless (exists $self->{channel}{$channel->{id}}) {	3182	unless (exists $self->{channel}{$channel->{id}}) {
2717	$self->{channel}{$channel->{id}} = $channel;	3183	$self->{channel}{$channel->{id}} = $channel;
2718	$self->ext_msg (channel_info => $channel)	3184	$self->ext_msg (channel_info => $channel);
2719	if $self->can_msg;
2720	}	3185	}
2721		3186
2722	$channel = $channel->{id};	3187	$channel = $channel->{id};
2723	}	3188	}
2724		3189
2725	return unless @extra || length $msg;	3190	return unless @extra || length $msg;
2726		3191
2727	if ($self->can_msg) {
2728	# default colour, mask it out	3192	# default colour, mask it out
2729	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3193	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2730	if $color & cf::NDI_DEF;	3194	if $color & cf::NDI_DEF;
2731		3195
2732	$self->send_packet ("msg " . $self->{json_coder}->encode (	3196	my $pkt = "msg "
		3197	. $self->{json_coder}->encode (
2733	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3198	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2734	} else {	3199	);
2735	if ($color >= 0) {
2736	# replace some tags by gcfclient-compatible ones
2737	for ($msg) {
2738	1 while
2739	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2740	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2741	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2742	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2743	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2744	}
2745		3200
2746	$color &= cf::NDI_COLOR_MASK;	3201	$self->send_big_packet ($pkt);
2747
2748	utf8::encode $msg;
2749
2750	if (0 && $msg =~ /\[/) {
2751	# COMMAND/INFO
2752	$self->send_packet ("drawextinfo $color 10 8 $msg")
2753	} else {
2754	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2755	$self->send_packet ("drawinfo $color $msg")
2756	}
2757	}
2758	}
2759	}	3202	}
2760		3203
2761	=item $client->ext_msg ($type, @msg)	3204	=item $client->ext_msg ($type, @msg)
2762		3205
2763	Sends an ext event to the client.	3206	Sends an ext event to the client.
…		…
2766		3209
2767	sub cf::client::ext_msg($$@) {	3210	sub cf::client::ext_msg($$@) {
2768	my ($self, $type, @msg) = @_;	3211	my ($self, $type, @msg) = @_;
2769		3212
2770	if ($self->extcmd == 2) {	3213	if ($self->extcmd == 2) {
2771	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3214	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2772	} elsif ($self->extcmd == 1) { # TODO: remove	3215	} elsif ($self->extcmd == 1) { # TODO: remove
2773	push @msg, msgtype => "event_$type";	3216	push @msg, msgtype => "event_$type";
2774	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3217	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2775	}	3218	}
2776	}	3219	}
2777		3220
2778	=item $client->ext_reply ($msgid, @msg)	3221	=item $client->ext_reply ($msgid, @msg)
2779		3222
…		…
2782	=cut	3225	=cut
2783		3226
2784	sub cf::client::ext_reply($$@) {	3227	sub cf::client::ext_reply($$@) {
2785	my ($self, $id, @msg) = @_;	3228	my ($self, $id, @msg) = @_;
2786		3229
2787	if ($self->extcmd == 2) {	3230	return unless $self->extcmd == 2;
		3231
2788	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3232	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2789	} elsif ($self->extcmd == 1) {
2790	#TODO: version 1, remove
2791	unshift @msg, msgtype => "reply", msgid => $id;
2792	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2793	}
2794	}	3233	}
2795		3234
2796	=item $success = $client->query ($flags, "text", \&cb)	3235	=item $success = $client->query ($flags, "text", \&cb)
2797		3236
2798	Queues a query to the client, calling the given callback with	3237	Queues a query to the client, calling the given callback with
…		…
2853	my ($ns, $buf) = @_;	3292	my ($ns, $buf) = @_;
2854		3293
2855	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3294	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2856		3295
2857	if (ref $msg) {	3296	if (ref $msg) {
2858	my ($type, $reply, @payload) =	3297	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2859	"ARRAY" eq ref $msg
2860	? @$msg
2861	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2862		3298
2863	my @reply;	3299	my @reply;
2864		3300
2865	if (my $cb = $EXTICMD{$type}) {	3301	if (my $cb = $EXTICMD{$type}) {
2866	@reply = $cb->($ns, @payload);	3302	@reply = $cb->($ns, @payload);
…		…
2868		3304
2869	$ns->ext_reply ($reply, @reply)	3305	$ns->ext_reply ($reply, @reply)
2870	if $reply;	3306	if $reply;
2871		3307
2872	} else {	3308	} else {
2873	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3309	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2874	}	3310	}
2875		3311
2876	cf::override;	3312	cf::override;
2877	},	3313	},
2878	);	3314	);
…		…
2898		3334
2899	$coro	3335	$coro
2900	}	3336	}
2901		3337
2902	cf::client->attach (	3338	cf::client->attach (
2903	on_destroy => sub {	3339	on_client_destroy => sub {
2904	my ($ns) = @_;	3340	my ($ns) = @_;
2905		3341
2906	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3342	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2907	},	3343	},
2908	);	3344	);
…		…
2924	our $safe_hole = new Safe::Hole;	3360	our $safe_hole = new Safe::Hole;
2925		3361
2926	$SIG{FPE} = 'IGNORE';	3362	$SIG{FPE} = 'IGNORE';
2927		3363
2928	$safe->permit_only (Opcode::opset qw(	3364	$safe->permit_only (Opcode::opset qw(
2929	:base_core :base_mem :base_orig :base_math	3365	:base_core :base_mem :base_orig :base_math :base_loop
2930	grepstart grepwhile mapstart mapwhile	3366	grepstart grepwhile mapstart mapwhile
2931	sort time	3367	sort time
2932	));	3368	));
2933		3369
2934	# here we export the classes and methods available to script code	3370	# here we export the classes and methods available to script code
…		…
2937		3373
2938	The following functions and methods are available within a safe environment:	3374	The following functions and methods are available within a safe environment:
2939		3375
2940	cf::object	3376	cf::object
2941	contr pay_amount pay_player map x y force_find force_add destroy	3377	contr pay_amount pay_player map x y force_find force_add destroy
2942	insert remove name archname title slaying race decrease_ob_nr	3378	insert remove name archname title slaying race decrease split
		3379	value
2943		3380
2944	cf::object::player	3381	cf::object::player
2945	player	3382	player
2946		3383
2947	cf::player	3384	cf::player
…		…
2952		3389
2953	=cut	3390	=cut
2954		3391
2955	for (	3392	for (
2956	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3393	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2957	insert remove inv name archname title slaying race	3394	insert remove inv nrof name archname title slaying race
2958	decrease_ob_nr destroy)],	3395	decrease split destroy change_exp value msg lore send_msg)],
2959	["cf::object::player" => qw(player)],	3396	["cf::object::player" => qw(player)],
2960	["cf::player" => qw(peaceful)],	3397	["cf::player" => qw(peaceful send_msg)],
2961	["cf::map" => qw(trigger)],	3398	["cf::map" => qw(trigger)],
2962	) {	3399	) {
2963	no strict 'refs';
2964	my ($pkg, @funs) = @$_;	3400	my ($pkg, @funs) = @$_;
2965	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3401	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2966	for @funs;	3402	for @funs;
2967	}	3403	}
2968		3404
…		…
2983		3419
2984	my $qcode = $code;	3420	my $qcode = $code;
2985	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3421	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2986	$qcode =~ s/\n/\\n/g;	3422	$qcode =~ s/\n/\\n/g;
2987		3423
		3424	%vars = (_dummy => 0) unless %vars;
		3425
		3426	my @res;
2988	local $_;	3427	local $_;
2989	local @safe::cf::_safe_eval_args = values %vars;
2990		3428
2991	my $eval =	3429	my $eval =
2992	"do {\n"	3430	"do {\n"
2993	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3431	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2994	. "#line 0 \"{$qcode}\"\n"	3432	. "#line 0 \"{$qcode}\"\n"
2995	. $code	3433	. $code
2996	. "\n}"	3434	. "\n}"
2997	;	3435	;
2998		3436
		3437	if ($CFG{safe_eval}) {
2999	sub_generation_inc;	3438	sub_generation_inc;
		3439	local @safe::cf::_safe_eval_args = values %vars;
3000	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3440	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3001	sub_generation_inc;	3441	sub_generation_inc;
		3442	} else {
		3443	local @cf::_safe_eval_args = values %vars;
		3444	@res = wantarray ? eval eval : scalar eval $eval;
		3445	}
3002		3446
3003	if ($@) {	3447	if ($@) {
3004	warn "$@";	3448	warn "$@",
3005	warn "while executing safe code '$code'\n";	3449	"while executing safe code '$code'\n",
3006	warn "with arguments " . (join " ", %vars) . "\n";	3450	"with arguments " . (join " ", %vars) . "\n";
3007	}	3451	}
3008		3452
3009	wantarray ? @res : $res[0]	3453	wantarray ? @res : $res[0]
3010	}	3454	}
3011		3455
…		…
3025	=cut	3469	=cut
3026		3470
3027	sub register_script_function {	3471	sub register_script_function {
3028	my ($fun, $cb) = @_;	3472	my ($fun, $cb) = @_;
3029		3473
3030	no strict 'refs';	3474	$fun = "safe::$fun" if $CFG{safe_eval};
3031	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3475	*$fun = $safe_hole->wrap ($cb);
3032	}	3476	}
3033		3477
3034	=back	3478	=back
3035		3479
3036	=cut	3480	=cut
…		…
3045	# for this (global event?)	3489	# for this (global event?)
3046	%ext::player_env::MUSIC_FACE_CACHE = ();	3490	%ext::player_env::MUSIC_FACE_CACHE = ();
3047		3491
3048	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3492	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3049		3493
3050	warn "loading facedata from $path\n";	3494	trace "loading facedata from $path\n";
3051		3495
3052	my $facedata;	3496	my $facedata = decode_storable load_file $path;
3053	0 < aio_load $path, $facedata
3054	or die "$path: $!";
3055
3056	$facedata = Coro::Storable::thaw $facedata;
3057		3497
3058	$facedata->{version} == 2	3498	$facedata->{version} == 2
3059	or cf::cleanup "$path: version mismatch, cannot proceed.";	3499	or cf::cleanup "$path: version mismatch, cannot proceed.";
3060		3500
3061	# patch in the exptable	3501	# patch in the exptable
		3502	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3062	$facedata->{resource}{"res/exp_table"} = {	3503	$facedata->{resource}{"res/exp_table"} = {
3063	type => FT_RSRC,	3504	type => FT_RSRC,
3064	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3505	data => $exp_table,
		3506	hash => (Digest::MD5::md5 $exp_table),
3065	};	3507	};
3066	cf::cede_to_tick;	3508	cf::cede_to_tick;
3067		3509
3068	{	3510	{
3069	my $faces = $facedata->{faceinfo};	3511	my $faces = $facedata->{faceinfo};
3070		3512
3071	while (my ($face, $info) = each %$faces) {	3513	while (my ($face, $info) = each %$faces) {
3072	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3514	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3515
3073	cf::face::set_visibility $idx, $info->{visibility};	3516	cf::face::set_visibility $idx, $info->{visibility};
3074	cf::face::set_magicmap $idx, $info->{magicmap};	3517	cf::face::set_magicmap $idx, $info->{magicmap};
3075	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3518	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3076	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3519	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3520	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
3077		3521
3078	cf::cede_to_tick;	3522	cf::cede_to_tick;
3079	}	3523	}
3080		3524
3081	while (my ($face, $info) = each %$faces) {	3525	while (my ($face, $info) = each %$faces) {
3082	next unless $info->{smooth};	3526	next unless $info->{smooth};
		3527
3083	my $idx = cf::face::find $face	3528	my $idx = cf::face::find $face
3084	or next;	3529	or next;
		3530
3085	if (my $smooth = cf::face::find $info->{smooth}) {	3531	if (my $smooth = cf::face::find $info->{smooth}) {
3086	cf::face::set_smooth $idx, $smooth;	3532	cf::face::set_smooth $idx, $smooth;
3087	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3533	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3088	} else {	3534	} else {
3089	warn "smooth face '$info->{smooth}' not found for face '$face'";	3535	error "smooth face '$info->{smooth}' not found for face '$face'";
3090	}	3536	}
3091		3537
3092	cf::cede_to_tick;	3538	cf::cede_to_tick;
3093	}	3539	}
3094	}	3540	}
…		…
3103		3549
3104	cf::anim::invalidate_all; # d'oh	3550	cf::anim::invalidate_all; # d'oh
3105	}	3551	}
3106		3552
3107	{	3553	{
3108	# TODO: for gcfclient pleasure, we should give resources
3109	# that gcfclient doesn't grok a >10000 face index.
3110	my $res = $facedata->{resource};	3554	my $res = $facedata->{resource};
3111		3555
3112	my $soundconf = delete $res->{"res/sound.conf"};
3113
3114	while (my ($name, $info) = each %$res) {	3556	while (my ($name, $info) = each %$res) {
		3557	if (defined (my $type = $info->{type})) {
		3558	# TODO: different hash - must free and use new index, or cache ixface data queue
3115	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3559	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3116	my $data;
3117		3560
3118	if ($info->{type} & 1) {	3561	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3119	# prepend meta info	3562	cf::face::set_type $idx, $type;
3120		3563	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3121	my $meta = $enc->encode ({
3122	name => $name,
3123	%{ $info->{meta} || {} },
3124	});
3125
3126	$data = pack "(w/a*)*", $meta, $info->{data};
3127	} else {	3564	} else {
3128	$data = $info->{data};	3565	# $RESOURCE{$name} = $info; # unused
3129	}	3566	}
3130		3567
3131	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3132	cf::face::set_type $idx, $info->{type};
3133
3134	cf::cede_to_tick;	3568	cf::cede_to_tick;
3135	}	3569	}
3136
3137	if ($soundconf) {
3138	$soundconf = $enc->decode (delete $soundconf->{data});
3139
3140	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3141	my $sound = $soundconf->{compat}[$_]
3142	or next;
3143
3144	my $face = cf::face::find "sound/$sound->[1]";
3145	cf::sound::set $sound->[0] => $face;
3146	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3147	}
3148
3149	while (my ($k, $v) = each %{$soundconf->{event}}) {
3150	my $face = cf::face::find "sound/$v";
3151	cf::sound::set $k => $face;
3152	}
3153	}
3154	}	3570	}
		3571
		3572	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3155		3573
3156	1	3574	1
3157	}	3575	}
3158		3576
3159	register_exticmd fx_want => sub {	3577	register_exticmd fx_want => sub {
…		…
3161		3579
3162	while (my ($k, $v) = each %$want) {	3580	while (my ($k, $v) = each %$want) {
3163	$ns->fx_want ($k, $v);	3581	$ns->fx_want ($k, $v);
3164	}	3582	}
3165	};	3583	};
		3584
		3585	sub load_resource_file($) {
		3586	my $guard = lock_acquire "load_resource_file";
		3587
		3588	my $status = load_resource_file_ $_[0];
		3589	get_slot 0.1, 100;
		3590	cf::arch::commit_load;
		3591
		3592	$status
		3593	}
3166		3594
3167	sub reload_regions {	3595	sub reload_regions {
3168	# HACK to clear player env face cache, we need some signal framework	3596	# HACK to clear player env face cache, we need some signal framework
3169	# for this (global event?)	3597	# for this (global event?)
3170	%ext::player_env::MUSIC_FACE_CACHE = ();	3598	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3184	}	3612	}
3185		3613
3186	sub reload_archetypes {	3614	sub reload_archetypes {
3187	load_resource_file "$DATADIR/archetypes"	3615	load_resource_file "$DATADIR/archetypes"
3188	or die "unable to load archetypes\n";	3616	or die "unable to load archetypes\n";
3189	#d# NEED to laod twice to resolve forward references
3190	# this really needs to be done in an extra post-pass
3191	# (which needs to be synchronous, so solve it differently)
3192	load_resource_file "$DATADIR/archetypes"
3193	or die "unable to load archetypes\n";
3194	}	3617	}
3195		3618
3196	sub reload_treasures {	3619	sub reload_treasures {
3197	load_resource_file "$DATADIR/treasures"	3620	load_resource_file "$DATADIR/treasures"
3198	or die "unable to load treasurelists\n";	3621	or die "unable to load treasurelists\n";
3199	}	3622	}
3200		3623
		3624	sub reload_sound {
		3625	trace "loading sound config from $DATADIR/sound\n";
		3626
		3627	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3628
		3629	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3630	my $sound = $soundconf->{compat}[$_]
		3631	or next;
		3632
		3633	my $face = cf::face::find "sound/$sound->[1]";
		3634	cf::sound::set $sound->[0] => $face;
		3635	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3636	}
		3637
		3638	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3639	my $face = cf::face::find "sound/$v";
		3640	cf::sound::set $k => $face;
		3641	}
		3642	}
		3643
3201	sub reload_resources {	3644	sub reload_resources {
3202	warn "reloading resource files...\n";	3645	trace "reloading resource files...\n";
3203		3646
		3647	reload_exp_table;
		3648	reload_materials;
		3649	reload_facedata;
		3650	reload_sound;
		3651	reload_archetypes;
3204	reload_regions;	3652	reload_regions;
3205	reload_facedata;
3206	#reload_archetypes;#d#
3207	reload_archetypes;
3208	reload_treasures;	3653	reload_treasures;
3209		3654
3210	warn "finished reloading resource files\n";	3655	trace "finished reloading resource files\n";
3211	}
3212
3213	sub init {
3214	reload_resources;
3215	}	3656	}
3216		3657
3217	sub reload_config {	3658	sub reload_config {
3218	open my $fh, "<:utf8", "$CONFDIR/config"	3659	trace "reloading config file...\n";
3219	or return;
3220		3660
3221	local $/;	3661	my $config = load_file "$CONFDIR/config";
3222	*CFG = YAML::Syck::Load <$fh>;	3662	utf8::decode $config;
		3663	*CFG = decode_yaml $config;
3223		3664
3224	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3665	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3225		3666
3226	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3667	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3227	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3668	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3228		3669
3229	if (exists $CFG{mlockall}) {	3670	if (exists $CFG{mlockall}) {
…		…
3233	};	3674	};
3234	warn $@ if $@;	3675	warn $@ if $@;
3235	}	3676	}
3236	}	3677	}
3237		3678
		3679	sub pidfile() {
		3680	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3681	or die "$PIDFILE: $!";
		3682	flock $fh, &Fcntl::LOCK_EX
		3683	or die "$PIDFILE: flock: $!";
		3684	$fh
		3685	}
		3686
		3687	# make sure only one server instance is running at any one time
		3688	sub atomic {
		3689	my $fh = pidfile;
		3690
		3691	my $pid = <$fh>;
		3692	kill 9, $pid if $pid > 0;
		3693
		3694	seek $fh, 0, 0;
		3695	print $fh $$;
		3696	}
		3697
		3698	sub main_loop {
		3699	trace "EV::loop starting\n";
		3700	if (1) {
		3701	EV::loop;
		3702	}
		3703	trace "EV::loop returned\n";
		3704	goto &main_loop unless $REALLY_UNLOOP;
		3705	}
		3706
3238	sub main {	3707	sub main {
		3708	cf::init_globals; # initialise logging
		3709
		3710	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3711	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3712	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3713	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3714
		3715	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3716
3239	# we must not ever block the main coroutine	3717	# we must not ever block the main coroutine
3240	local $Coro::idle = sub {	3718	local $Coro::idle = sub {
3241	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3719	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3242	(async {	3720	(async {
3243	$Coro::current->{desc} = "IDLE BUG HANDLER";	3721	$Coro::current->{desc} = "IDLE BUG HANDLER";
3244	Event::one_event;	3722	EV::loop EV::LOOP_ONESHOT;
3245	})->prio (Coro::PRIO_MAX);	3723	})->prio (Coro::PRIO_MAX);
3246	};	3724	};
3247		3725
		3726	evthread_start IO::AIO::poll_fileno;
		3727
		3728	cf::sync_job {
		3729	cf::incloader::init ();
		3730
		3731	cf::init_anim;
		3732	cf::init_attackmess;
		3733	cf::init_dynamic;
		3734
		3735	cf::load_settings;
		3736
		3737	reload_resources;
3248	reload_config;	3738	reload_config;
3249	db_init;	3739	db_init;
		3740
		3741	cf::init_uuid;
		3742	cf::init_signals;
		3743	cf::init_skills;
		3744
		3745	cf::init_beforeplay;
		3746
		3747	atomic;
		3748
3250	load_extensions;	3749	load_extensions;
3251		3750
3252	$TICK_WATCHER->start;	3751	utime time, time, $RUNTIMEFILE;
3253	Event::loop;	3752
		3753	# no (long-running) fork's whatsoever before this point(!)
		3754	use POSIX ();
		3755	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3756
		3757	cf::_post_init 0;
		3758	};
		3759
		3760	cf::object::thawer::errors_are_fatal 0;
		3761	info "parse errors in files are no longer fatal from this point on.\n";
		3762
		3763	AE::postpone {
		3764	undef &main; # free gobs of memory :)
		3765	};
		3766
		3767	goto &main_loop;
3254	}	3768	}
3255		3769
3256	#############################################################################	3770	#############################################################################
3257	# initialisation and cleanup	3771	# initialisation and cleanup
3258		3772
3259	# install some emergency cleanup handlers	3773	# install some emergency cleanup handlers
3260	BEGIN {	3774	BEGIN {
		3775	our %SIGWATCHER = ();
3261	for my $signal (qw(INT HUP TERM)) {	3776	for my $signal (qw(INT HUP TERM)) {
3262	Event->signal (	3777	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3263	reentrant => 0,
3264	data => WF_AUTOCANCEL,
3265	signal => $signal,
3266	prio => 0,
3267	cb => sub {
3268	cf::cleanup "SIG$signal";	3778	cf::cleanup "SIG$signal";
3269	},
3270	);	3779	};
3271	}	3780	}
3272	}	3781	}
3273		3782
3274	sub write_runtime {	3783	sub write_runtime_sync {
3275	my $runtime = "$LOCALDIR/runtime";	3784	my $t0 = AE::time;
3276		3785
3277	# first touch the runtime file to show we are still running:	3786	# first touch the runtime file to show we are still running:
3278	# the fsync below can take a very very long time.	3787	# the fsync below can take a very very long time.
3279		3788
3280	IO::AIO::aio_utime $runtime, undef, undef;	3789	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3281		3790
3282	my $guard = cf::lock_acquire "write_runtime";	3791	my $guard = cf::lock_acquire "write_runtime";
3283		3792
3284	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3793	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3285	or return;	3794	or return;
3286		3795
3287	my $value = $cf::RUNTIME + 90 + 10;	3796	my $value = $cf::RUNTIME + 90 + 10;
3288	# 10 is the runtime save interval, for a monotonic clock	3797	# 10 is the runtime save interval, for a monotonic clock
3289	# 60 allows for the watchdog to kill the server.	3798	# 60 allows for the watchdog to kill the server.
…		…
3299	aio_utime $fh, undef, undef;	3808	aio_utime $fh, undef, undef;
3300		3809
3301	close $fh	3810	close $fh
3302	or return;	3811	or return;
3303		3812
3304	aio_rename "$runtime~", $runtime	3813	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3305	and return;	3814	and return;
3306		3815
3307	warn "runtime file written.\n";	3816	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3308		3817
3309	1	3818	1
		3819	}
		3820
		3821	our $uuid_lock;
		3822	our $uuid_skip;
		3823
		3824	sub write_uuid_sync($) {
		3825	$uuid_skip ||= $_[0];
		3826
		3827	return if $uuid_lock;
		3828	local $uuid_lock = 1;
		3829
		3830	my $uuid = "$LOCALDIR/uuid";
		3831
		3832	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3833	or return;
		3834
		3835	my $value = uuid_seq uuid_cur;
		3836
		3837	unless ($value) {
		3838	info "cowardly refusing to write zero uuid value!\n";
		3839	return;
		3840	}
		3841
		3842	my $value = uuid_str $value + $uuid_skip;
		3843	$uuid_skip = 0;
		3844
		3845	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3846	and return;
		3847
		3848	# always fsync - this file is important
		3849	aio_fsync $fh
		3850	and return;
		3851
		3852	close $fh
		3853	or return;
		3854
		3855	aio_rename "$uuid~", $uuid
		3856	and return;
		3857
		3858	trace "uuid file written ($value).\n";
		3859
		3860	1
		3861
		3862	}
		3863
		3864	sub write_uuid($$) {
		3865	my ($skip, $sync) = @_;
		3866
		3867	$sync ? write_uuid_sync $skip
		3868	: async { write_uuid_sync $skip };
3310	}	3869	}
3311		3870
3312	sub emergency_save() {	3871	sub emergency_save() {
3313	my $freeze_guard = cf::freeze_mainloop;	3872	my $freeze_guard = cf::freeze_mainloop;
3314		3873
3315	warn "enter emergency perl save\n";	3874	info "emergency_perl_save: enter\n";
		3875
		3876	# this is a trade-off: we want to be very quick here, so
		3877	# save all maps without fsync, and later call a global sync
		3878	# (which in turn might be very very slow)
		3879	local $USE_FSYNC = 0;
3316		3880
3317	cf::sync_job {	3881	cf::sync_job {
		3882	cf::write_runtime_sync; # external watchdog should not bark
		3883
3318	# use a peculiar iteration method to avoid tripping on perl	3884	# use a peculiar iteration method to avoid tripping on perl
3319	# refcount bugs in for. also avoids problems with players	3885	# refcount bugs in for. also avoids problems with players
3320	# and maps saved/destroyed asynchronously.	3886	# and maps saved/destroyed asynchronously.
3321	warn "begin emergency player save\n";	3887	info "emergency_perl_save: begin player save\n";
3322	for my $login (keys %cf::PLAYER) {	3888	for my $login (keys %cf::PLAYER) {
3323	my $pl = $cf::PLAYER{$login} or next;	3889	my $pl = $cf::PLAYER{$login} or next;
3324	$pl->valid or next;	3890	$pl->valid or next;
3325	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3891	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3326	$pl->save;	3892	$pl->save;
3327	}	3893	}
3328	warn "end emergency player save\n";	3894	info "emergency_perl_save: end player save\n";
3329		3895
3330	warn "begin emergency map save\n";	3896	cf::write_runtime_sync; # external watchdog should not bark
		3897
		3898	info "emergency_perl_save: begin map save\n";
3331	for my $path (keys %cf::MAP) {	3899	for my $path (keys %cf::MAP) {
3332	my $map = $cf::MAP{$path} or next;	3900	my $map = $cf::MAP{$path} or next;
3333	$map->valid or next;	3901	$map->valid or next;
3334	$map->save;	3902	$map->save;
3335	}	3903	}
3336	warn "end emergency map save\n";	3904	info "emergency_perl_save: end map save\n";
3337		3905
3338	warn "begin emergency database checkpoint\n";	3906	cf::write_runtime_sync; # external watchdog should not bark
		3907
		3908	info "emergency_perl_save: begin database checkpoint\n";
3339	BDB::db_env_txn_checkpoint $DB_ENV;	3909	BDB::db_env_txn_checkpoint $DB_ENV;
3340	warn "end emergency database checkpoint\n";	3910	info "emergency_perl_save: end database checkpoint\n";
		3911
		3912	info "emergency_perl_save: begin write uuid\n";
		3913	write_uuid_sync 1;
		3914	info "emergency_perl_save: end write uuid\n";
		3915
		3916	cf::write_runtime_sync; # external watchdog should not bark
		3917
		3918	trace "emergency_perl_save: syncing database to disk";
		3919	BDB::db_env_txn_checkpoint $DB_ENV;
		3920
		3921	info "emergency_perl_save: starting sync\n";
		3922	IO::AIO::aio_sync sub {
		3923	info "emergency_perl_save: finished sync\n";
		3924	};
		3925
		3926	cf::write_runtime_sync; # external watchdog should not bark
		3927
		3928	trace "emergency_perl_save: flushing outstanding aio requests";
		3929	while (IO::AIO::nreqs || BDB::nreqs) {
		3930	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3931	}
		3932
		3933	cf::write_runtime_sync; # external watchdog should not bark
3341	};	3934	};
3342		3935
3343	warn "leave emergency perl save\n";	3936	info "emergency_perl_save: leave\n";
3344	}	3937	}
3345		3938
3346	sub post_cleanup {	3939	sub post_cleanup {
3347	my ($make_core) = @_;	3940	my ($make_core) = @_;
3348		3941
		3942	IO::AIO::flush;
		3943
3349	warn Carp::longmess "post_cleanup backtrace"	3944	error Carp::longmess "post_cleanup backtrace"
3350	if $make_core;	3945	if $make_core;
		3946
		3947	my $fh = pidfile;
		3948	unlink $PIDFILE if <$fh> == $$;
		3949	}
		3950
		3951	# a safer delete_package, copied from Symbol
		3952	sub clear_package($) {
		3953	my $pkg = shift;
		3954
		3955	# expand to full symbol table name if needed
		3956	unless ($pkg =~ /^main::.*::$/) {
		3957	$pkg = "main$pkg" if $pkg =~ /^::/;
		3958	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3959	$pkg .= '::' unless $pkg =~ /::$/;
		3960	}
		3961
		3962	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3963	my $stem_symtab = *{$stem}{HASH};
		3964
		3965	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3966	or return;
		3967
		3968	# clear all symbols
		3969	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3970	for my $name (keys %$leaf_symtab) {
		3971	_gv_clear *{"$pkg$name"};
		3972	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3973	}
3351	}	3974	}
3352		3975
3353	sub do_reload_perl() {	3976	sub do_reload_perl() {
3354	# can/must only be called in main	3977	# can/must only be called in main
3355	if ($Coro::current != $Coro::main) {	3978	unless (in_main) {
3356	warn "can only reload from main coroutine";	3979	error "can only reload from main coroutine";
3357	return;	3980	return;
3358	}	3981	}
3359		3982
3360	warn "reloading...";	3983	return if $RELOAD++;
3361		3984
3362	warn "entering sync_job";	3985	my $t1 = AE::time;
3363		3986
		3987	while ($RELOAD) {
		3988	cf::get_slot 0.1, -1, "reload_perl";
		3989	info "perl_reload: reloading...";
		3990
		3991	trace "perl_reload: entering sync_job";
		3992
3364	cf::sync_job {	3993	cf::sync_job {
3365	cf::write_runtime; # external watchdog should not bark
3366	cf::emergency_save;	3994	#cf::emergency_save;
3367	cf::write_runtime; # external watchdog should not bark
3368		3995
3369	warn "syncing database to disk";
3370	BDB::db_env_txn_checkpoint $DB_ENV;
3371
3372	# if anything goes wrong in here, we should simply crash as we already saved
3373
3374	warn "cancelling all WF_AUTOCANCEL watchers";
3375	for (Event::all_watchers) {
3376	$_->cancel if $_->data & WF_AUTOCANCEL;
3377	}
3378
3379	warn "flushing outstanding aio requests";
3380	for (;;) {
3381	BDB::flush;
3382	IO::AIO::flush;
3383	Coro::cede_notself;
3384	last unless IO::AIO::nreqs || BDB::nreqs;
3385	warn "iterate...";
3386	}
3387
3388	++$RELOAD;
3389
3390	warn "cancelling all extension coros";	3996	trace "perl_reload: cancelling all extension coros";
3391	$_->cancel for values %EXT_CORO;	3997	$_->cancel for values %EXT_CORO;
3392	%EXT_CORO = ();	3998	%EXT_CORO = ();
3393		3999
3394	warn "removing commands";	4000	trace "perl_reload: removing commands";
3395	%COMMAND = ();	4001	%COMMAND = ();
3396		4002
3397	warn "removing ext/exti commands";	4003	trace "perl_reload: removing ext/exti commands";
3398	%EXTCMD = ();	4004	%EXTCMD = ();
3399	%EXTICMD = ();	4005	%EXTICMD = ();
3400		4006
3401	warn "unloading/nuking all extensions";	4007	trace "perl_reload: unloading/nuking all extensions";
3402	for my $pkg (@EXTS) {	4008	for my $pkg (@EXTS) {
3403	warn "... unloading $pkg";	4009	trace "... unloading $pkg";
3404		4010
3405	if (my $cb = $pkg->can ("unload")) {	4011	if (my $cb = $pkg->can ("unload")) {
3406	eval {	4012	eval {
3407	$cb->($pkg);	4013	$cb->($pkg);
3408	1	4014	1
3409	} or warn "$pkg unloaded, but with errors: $@";	4015	} or error "$pkg unloaded, but with errors: $@";
		4016	}
		4017
		4018	trace "... clearing $pkg";
		4019	clear_package $pkg;
3410	}	4020	}
3411		4021
3412	warn "... nuking $pkg";
3413	Symbol::delete_package $pkg;
3414	}
3415
3416	warn "unloading all perl modules loaded from $LIBDIR";	4022	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3417	while (my ($k, $v) = each %INC) {	4023	while (my ($k, $v) = each %INC) {
3418	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4024	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3419		4025
3420	warn "... unloading $k";	4026	trace "... unloading $k";
3421	delete $INC{$k};	4027	delete $INC{$k};
3422		4028
3423	$k =~ s/\.pm$//;	4029	$k =~ s/\.pm$//;
3424	$k =~ s/\//::/g;	4030	$k =~ s/\//::/g;
3425		4031
3426	if (my $cb = $k->can ("unload_module")) {	4032	if (my $cb = $k->can ("unload_module")) {
3427	$cb->();	4033	$cb->();
		4034	}
		4035
		4036	clear_package $k;
3428	}	4037	}
3429		4038
3430	Symbol::delete_package $k;
3431	}
3432
3433	warn "getting rid of safe::, as good as possible";	4039	trace "perl_reload: getting rid of safe::, as good as possible";
3434	Symbol::delete_package "safe::$_"	4040	clear_package "safe::$_"
3435	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4041	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3436		4042
3437	warn "unloading cf.pm \"a bit\"";	4043	trace "perl_reload: unloading cf.pm \"a bit\"";
3438	delete $INC{"cf.pm"};	4044	delete $INC{"cf.pm"};
3439	delete $INC{"cf/pod.pm"};	4045	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3440		4046
3441	# don't, removes xs symbols, too,	4047	# don't, removes xs symbols, too,
3442	# and global variables created in xs	4048	# and global variables created in xs
3443	#Symbol::delete_package __PACKAGE__;	4049	#clear_package __PACKAGE__;
3444		4050
3445	warn "unload completed, starting to reload now";	4051	info "perl_reload: unload completed, starting to reload now";
3446		4052
3447	warn "reloading cf.pm";	4053	trace "perl_reload: reloading cf.pm";
3448	require cf;	4054	require cf;
3449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4055	cf::_connect_to_perl_1;
3450		4056
3451	warn "loading config and database again";	4057	trace "perl_reload: loading config and database again";
3452	cf::reload_config;	4058	cf::reload_config;
3453		4059
3454	warn "loading extensions";	4060	trace "perl_reload: loading extensions";
3455	cf::load_extensions;	4061	cf::load_extensions;
3456		4062
		4063	if ($REATTACH_ON_RELOAD) {
3457	warn "reattaching attachments to objects/players";	4064	trace "perl_reload: reattaching attachments to objects/players";
3458	_global_reattach; # objects, sockets	4065	_global_reattach; # objects, sockets
3459	warn "reattaching attachments to maps";	4066	trace "perl_reload: reattaching attachments to maps";
3460	reattach $_ for values %MAP;	4067	reattach $_ for values %MAP;
3461	warn "reattaching attachments to players";	4068	trace "perl_reload: reattaching attachments to players";
3462	reattach $_ for values %PLAYER;	4069	reattach $_ for values %PLAYER;
		4070	}
3463		4071
3464	warn "leaving sync_job";	4072	cf::_post_init 1;
3465		4073
		4074	trace "perl_reload: leaving sync_job";
		4075
3466	1	4076	1
3467	} or do {	4077	} or do {
3468	warn $@;	4078	error $@;
3469	warn "error while reloading, exiting.";	4079	cf::cleanup "perl_reload: error, exiting.";
3470	exit 1;	4080	};
		4081
		4082	--$RELOAD;
3471	};	4083	}
3472		4084
3473	warn "reloaded";	4085	$t1 = AE::time - $t1;
		4086	info "perl_reload: completed in ${t1}s\n";
3474	};	4087	};
3475		4088
3476	our $RELOAD_WATCHER; # used only during reload	4089	our $RELOAD_WATCHER; # used only during reload
3477		4090
3478	sub reload_perl() {	4091	sub reload_perl() {
3479	# doing reload synchronously and two reloads happen back-to-back,	4092	# doing reload synchronously and two reloads happen back-to-back,
3480	# coro crashes during coro_state_free->destroy here.	4093	# coro crashes during coro_state_free->destroy here.
3481		4094
3482	$RELOAD_WATCHER ||= Event->timer (	4095	$RELOAD_WATCHER ||= cf::async {
3483	reentrant => 0,	4096	Coro::AIO::aio_wait cache_extensions;
3484	after => 0,	4097
3485	data => WF_AUTOCANCEL,	4098	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3486	cb => sub {
3487	do_reload_perl;	4099	do_reload_perl;
3488	undef $RELOAD_WATCHER;	4100	undef $RELOAD_WATCHER;
3489	},	4101	};
3490	);	4102	};
3491	}	4103	}
3492		4104
3493	register_command "reload" => sub {	4105	register_command "reload" => sub {
3494	my ($who, $arg) = @_;	4106	my ($who, $arg) = @_;
3495		4107
…		…
3500	reload_perl;	4112	reload_perl;
3501	};	4113	};
3502	}	4114	}
3503	};	4115	};
3504		4116
3505	unshift @INC, $LIBDIR;	4117	#############################################################################
3506		4118
3507	my $bug_warning = 0;	4119	my $bug_warning = 0;
3508		4120
3509	our @WAIT_FOR_TICK;
3510	our @WAIT_FOR_TICK_BEGIN;
3511
3512	sub wait_for_tick {	4121	sub wait_for_tick() {
3513	return unless $TICK_WATCHER->is_active;	4122	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3514	return if $Coro::current == $Coro::main;
3515		4123
3516	my $signal = new Coro::Signal;	4124	$WAIT_FOR_TICK->wait;
3517	push @WAIT_FOR_TICK, $signal;
3518	$signal->wait;
3519	}	4125	}
3520		4126
3521	sub wait_for_tick_begin {	4127	sub wait_for_tick_begin() {
3522	return unless $TICK_WATCHER->is_active;	4128	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3523	return if $Coro::current == $Coro::main;
3524		4129
3525	my $signal = new Coro::Signal;	4130	my $signal = new Coro::Signal;
3526	push @WAIT_FOR_TICK_BEGIN, $signal;	4131	push @WAIT_FOR_TICK_BEGIN, $signal;
3527	$signal->wait;	4132	$signal->wait;
3528	}	4133	}
3529		4134
3530	$TICK_WATCHER = Event->timer (	4135	sub tick {
3531	reentrant => 0,
3532	parked => 1,
3533	prio => 0,
3534	at => $NEXT_TICK || $TICK,
3535	data => WF_AUTOCANCEL,
3536	cb => sub {
3537	if ($Coro::current != $Coro::main) {	4136	if ($Coro::current != $Coro::main) {
3538	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4137	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3539	unless ++$bug_warning > 10;	4138	unless ++$bug_warning > 10;
3540	return;	4139	return;
3541	}	4140	}
3542		4141
3543	$NOW = $tick_start = Event::time;	4142	cf::one_tick; # one server iteration
3544		4143
3545	cf::server_tick; # one server iteration	4144	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3546		4145
3547	$RUNTIME += $TICK;
3548	$NEXT_TICK += $TICK;
3549
3550	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3551	$NEXT_RUNTIME_WRITE = $NOW + 10;	4147	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3552	Coro::async_pool {	4148	Coro::async_pool {
3553	$Coro::current->{desc} = "runtime saver";	4149	$Coro::current->{desc} = "runtime saver";
3554	write_runtime	4150	write_runtime_sync
3555	or warn "ERROR: unable to write runtime file: $!";	4151	or error "ERROR: unable to write runtime file: $!";
3556	};
3557	}	4152	};
		4153	}
3558		4154
3559	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4155	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3560	$sig->send;	4156	$sig->send;
3561	}	4157	}
3562	while (my $sig = shift @WAIT_FOR_TICK) {	4158	$WAIT_FOR_TICK->broadcast;
3563	$sig->send;
3564	}
3565		4159
3566	$NOW = Event::time;	4160	$LOAD = ($NOW - $TICK_START) / $TICK;
3567
3568	# if we are delayed by four ticks or more, skip them all
3569	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3570
3571	$TICK_WATCHER->at ($NEXT_TICK);
3572	$TICK_WATCHER->start;
3573
3574	$LOAD = ($NOW - $tick_start) / $TICK;
3575	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4161	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3576		4162
3577	_post_tick;	4163	if (0) {
		4164	if ($NEXT_TICK) {
		4165	my $jitter = $TICK_START - $NEXT_TICK;
		4166	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4167	debug "jitter $JITTER\n";#d#
		4168	}
3578	},	4169	}
3579	);	4170	}
3580		4171
3581	{	4172	{
		4173	# configure BDB
		4174
3582	BDB::min_parallel 8;	4175	BDB::min_parallel 16;
3583	BDB::max_poll_time $TICK * 0.1;	4176	BDB::max_poll_reqs $TICK * 0.1;
3584	$BDB_POLL_WATCHER = Event->io (	4177	#$AnyEvent::BDB::WATCHER->priority (1);
3585	reentrant => 0,
3586	fd => BDB::poll_fileno,
3587	poll => 'r',
3588	prio => 0,
3589	data => WF_AUTOCANCEL,
3590	cb => \&BDB::poll_cb,
3591	);
3592
3593	BDB::set_sync_prepare {
3594	my $status;
3595	my $current = $Coro::current;
3596	(
3597	sub {
3598	$status = $!;
3599	$current->ready; undef $current;
3600	},
3601	sub {
3602	Coro::schedule while defined $current;
3603	$! = $status;
3604	},
3605	)
3606	};
3607		4178
3608	unless ($DB_ENV) {	4179	unless ($DB_ENV) {
3609	$DB_ENV = BDB::db_env_create;	4180	$DB_ENV = BDB::db_env_create;
3610	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4181	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3611	| BDB::LOG_AUTOREMOVE, 1);	4182	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4183	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3612	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4184	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3613	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4185	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3614		4186
3615	cf::sync_job {	4187	cf::sync_job {
3616	eval {	4188	eval {
…		…
3626		4198
3627	cf::cleanup "db_env_open(db): $@" if $@;	4199	cf::cleanup "db_env_open(db): $@" if $@;
3628	};	4200	};
3629	}	4201	}
3630		4202
3631	$BDB_DEADLOCK_WATCHER = Event->timer (	4203	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3632	after => 3,
3633	interval => 1,
3634	hard => 1,
3635	prio => 0,
3636	data => WF_AUTOCANCEL,
3637	cb => sub {
3638	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4204	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3639	},
3640	);	4205	};
3641	$BDB_CHECKPOINT_WATCHER = Event->timer (	4206	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3642	after => 11,
3643	interval => 60,
3644	hard => 1,
3645	prio => 0,
3646	data => WF_AUTOCANCEL,
3647	cb => sub {
3648	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4207	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3649	},
3650	);	4208	};
3651	$BDB_TRICKLE_WATCHER = Event->timer (	4209	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3652	after => 5,
3653	interval => 10,
3654	hard => 1,
3655	prio => 0,
3656	data => WF_AUTOCANCEL,
3657	cb => sub {
3658	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4210	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3659	},
3660	);	4211	};
3661	}	4212	}
3662		4213
3663	{	4214	{
		4215	# configure IO::AIO
		4216
3664	IO::AIO::min_parallel 8;	4217	IO::AIO::min_parallel 8;
3665
3666	undef $Coro::AIO::WATCHER;
3667	IO::AIO::max_poll_time $TICK * 0.1;	4218	IO::AIO::max_poll_time $TICK * 0.1;
3668	$AIO_POLL_WATCHER = Event->io (	4219	undef $AnyEvent::AIO::WATCHER;
3669	reentrant => 0,
3670	data => WF_AUTOCANCEL,
3671	fd => IO::AIO::poll_fileno,
3672	poll => 'r',
3673	prio => 0,
3674	cb => \&IO::AIO::poll_cb,
3675	);
3676	}	4220	}
3677		4221
3678	my $_log_backtrace;	4222	our $_log_backtrace;
		4223	our $_log_backtrace_last;
3679		4224
3680	sub _log_backtrace {	4225	sub _log_backtrace {
3681	my ($msg, @addr) = @_;	4226	my ($msg, @addr) = @_;
3682		4227
3683	$msg =~ s/\n//;	4228	$msg =~ s/\n$//;
3684		4229
		4230	if ($_log_backtrace_last eq $msg) {
		4231	LOG llevInfo, "[ABT] $msg\n";
		4232	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3685	# limit the # of concurrent backtraces	4233	# limit the # of concurrent backtraces
3686	if ($_log_backtrace < 2) {	4234	} elsif ($_log_backtrace < 2) {
		4235	$_log_backtrace_last = $msg;
3687	++$_log_backtrace;	4236	++$_log_backtrace;
		4237	my $perl_bt = Carp::longmess $msg;
3688	async {	4238	async {
3689	$Coro::current->{desc} = "abt $msg";	4239	$Coro::current->{desc} = "abt $msg";
3690		4240
3691	my @bt = fork_call {	4241	my @bt = fork_call {
3692	@addr = map { sprintf "%x", $_ } @addr;	4242	@addr = map { sprintf "%x", $_ } @addr;
…		…
3703	}	4253	}
3704		4254
3705	@funcs	4255	@funcs
3706	};	4256	};
3707		4257
3708	LOG llevInfo, "[ABT] $msg\n";	4258	LOG llevInfo, "[ABT] $perl_bt\n";
		4259	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3709	LOG llevInfo, "[ABT] $_\n" for @bt;	4260	LOG llevInfo, "[ABT] $_\n" for @bt;
3710	--$_log_backtrace;	4261	--$_log_backtrace;
3711	};	4262	};
3712	} else {	4263	} else {
3713	LOG llevInfo, "[ABT] $msg\n";	4264	LOG llevInfo, "[ABT] $msg\n";
3714	LOG llevInfo, "[ABT] [suppressed]\n";	4265	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3715	}	4266	}
3716	}	4267	}
3717		4268
3718	# load additional modules	4269	# load additional modules
3719	use cf::pod;	4270	require "cf/$_.pm" for @EXTRA_MODULES;
		4271	cf::_connect_to_perl_2;
3720		4272
3721	END { cf::emergency_save }	4273	END { cf::emergency_save }
3722		4274
3723	1	4275	1
3724		4276

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