ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.405 by root, Mon Dec 17 08:03:22 2007 UTC vs.
Revision 1.588 by root, Thu Nov 1 13:02:52 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use EV 1.86;	30	use EV;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
13	use Storable ();	34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 4.32 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
18	use Coro::EV;	44	use Coro::EV;
		45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
23	use Coro::BDB;	52	use Coro::BDB 1.6;
24	use Coro::Storable;	53	use Coro::Storable;
25	use Coro::Util ();	54	use Coro::Util ();
26		55
		56	use Guard ();
27	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
28	use BDB ();	58	use BDB ();
29	use Data::Dumper;	59	use Data::Dumper;
30	use Digest::MD5;
31	use Fcntl;	60	use Fcntl;
32	use YAML::Syck ();	61	use YAML::XS ();
33	use IO::AIO 2.51 ();	62	use IO::AIO ();
34	use Time::HiRes;	63	use Time::HiRes;
35	use Compress::LZF;	64	use Compress::LZF;
36	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
37		68
38	# configure various modules to our taste	69	# configure various modules to our taste
39	#	70	#
40	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
43		79
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	80	# strictly for debugging
45	$YAML::Syck::ImplicitUnicode = 1;	81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		82
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
50		86
51	our %COMMAND = ();	87	our %COMMAND = ();
52	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
53		89
54	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	91	our %EXTCMD = ();
56	our %EXTICMD = ();	92	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
59		95
60	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
62		100
63	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
64	our $DATADIR = datadir;	103	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
68	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
74	our %RESOURCE;	114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
75		124
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	127	our $NEXT_TICK;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off	128	our $USE_FSYNC = 1; # use fsync to write maps - default on
82		129
83	our $BDB_POLL_WATCHER;
84	our $BDB_DEADLOCK_WATCHER;	130	our $BDB_DEADLOCK_WATCHER;
85	our $BDB_CHECKPOINT_WATCHER;	131	our $BDB_CHECKPOINT_WATCHER;
86	our $BDB_TRICKLE_WATCHER;	132	our $BDB_TRICKLE_WATCHER;
87	our $DB_ENV;	133	our $DB_ENV;
88		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
89	our %CFG;	137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
90		139
91	our $UPTIME; $UPTIME ||= time;	140	our $UPTIME; $UPTIME ||= time;
92	our $RUNTIME;	141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
93	our $NOW;	143	our $NOW;
94		144
95	our (%PLAYER, %PLAYER_LOADING); # all users	145	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	146	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
…		…
99	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		151
102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
103	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
104	our $tick_start; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
105		164
106	binmode STDOUT;	165	binmode STDOUT;
107	binmode STDERR;	166	binmode STDERR;
108		167
109	# read virtual server time, if available	168	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
114	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
115		176
116	mkdir $_	177	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		179
119	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
120		181
121	sub cf::map::normalise;	182	sub cf::map::normalise;
122		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
123	#############################################################################	188	#############################################################################
124		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
125	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
126		202
127	=over 4	203	=over 4
128		204
129	=item $cf::UPTIME	205	=item $cf::UPTIME
130		206
131	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
132		223
133	=item $cf::RUNTIME	224	=item $cf::RUNTIME
134		225
135	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
136	every server tick.	227	every server tick.
…		…
142	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
145	database environment.	236	database environment.
146		237
147	=item $cf::NOW
148
149	The time of the last (current) server tick.
150
151	=item $cf::TICK
152
153	The interval between server ticks, in seconds.
154
155	=item $cf::LOADAVG	238	=item $cf::LOADAVG
156		239
157	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
168	from wherever your confdir points to.	251	from wherever your confdir points to.
169		252
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		254
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
173	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
175		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
176	=item @cf::INVOKE_RESULTS	276	=item @cf::INVOKE_RESULTS
177		277
178	This array contains the results of the last C<invoke ()> call. When	278	This array contains the results of the last C<invoke ()> call. When
179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
180	that call.	280	that call.
181		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
182	=back	288	=back
183		289
184	=cut	290	=cut
185		291
186	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
187	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
188	my $msg = join "", @_;	299	my $msg = join "", @_;
189		300
190	$msg .= "\n"	301	$msg .= "\n"
191	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
192		303
193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
194		305
195	LOG llevError, $msg;	306	LOG llevWarn, $msg;
196	};	307	};
197	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
198		322
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	333	for my $pkg (qw(
210	cf::global cf::attachable	334	cf::global cf::attachable
211	cf::object cf::object::player	335	cf::object cf::object::player
212	cf::client cf::player	336	cf::client cf::player
213	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
214	cf::map cf::party cf::region	339	cf::party cf::region
215	)) {	340	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	342	}
219		343
220	$EV::DIED = sub {	344	$EV::DIED = sub {
221	warn "error in event callback: @_";	345	warn "error in event callback: $@";
222	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
223		352
224	#############################################################################	353	#############################################################################
225		354
226	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
227		356
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	378	$d
250	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
251	}	380	}
252		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
253	=item $ref = cf::decode_json $json	434	=item $ref = cf::decode_json $json
254		435
255	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
256		437
257	=item $json = cf::encode_json $ref	438	=item $json = cf::encode_json $ref
…		…
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		445
265	sub encode_json($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
266	sub decode_json($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
267		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
		510
268	=item cf::lock_wait $string	511	=item cf::lock_wait $string
269		512
270	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
271		514
272	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
273		516
274	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
276	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
277	returned.	520	returned.
278		521
279	Locks are *not* recursive, locking from the same coro twice results in a	522	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	523	deadlocked coro.
…		…
286		529
287	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
288		531
289	=cut	532	=cut
290		533
291	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		535
294	sub lock_wait($) {	536	sub lock_wait($) {
295	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	538	}
308		539
309	sub lock_acquire($) {	540	sub lock_acquire($) {
310	my ($key) = @_;	541	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	542	}
324		543
325	sub lock_active($) {	544	sub lock_active($) {
326	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	546	}
330		547
331	sub freeze_mainloop {	548	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
333		550
334	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;
336	};
337	$TICK_WATCHER->stop;
338	$guard
339	}	552	}
340		553
341	=item cf::periodic $interval, $cb	554	=item cf::periodic $interval, $cb
342		555
343	Like EV::periodic, but randomly selects a starting point so that the actions	556	Like EV::periodic, but randomly selects a starting point so that the actions
344	get spread over timer.	557	get spread over time.
345		558
346	=cut	559	=cut
347		560
348	sub periodic($$) {	561	sub periodic($$) {
349	my ($interval, $cb) = @_;	562	my ($interval, $cb) = @_;
…		…
353	EV::periodic $start, $interval, 0, $cb	566	EV::periodic $start, $interval, 0, $cb
354	}	567	}
355		568
356	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
357		570
358	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	Allocate $time seconds of blocking CPU time at priority C<$priority>
359	This call blocks and returns only when you have at least C<$time> seconds	572	(default: 0): This call blocks and returns only when you have at least
360	of cpu time till the next tick. The slot is only valid till the next cede.	573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
361		578
362	The optional C<$name> can be used to identify the job to run. It might be	579	The optional C<$name> can be used to identify the job to run. It might be
363	used for statistical purposes and should identify the same time-class.	580	used for statistical purposes and should identify the same time-class.
364		581
365	Useful for short background jobs.	582	Useful for short background jobs.
366		583
367	=cut	584	=cut
368		585
369	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
370	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
371		589
372	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
373	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
374	$Coro::current->desc ("timeslot manager");	592	$Coro::current->desc ("timeslot manager");
375		593
376	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
377		596
378	while () {	597	while () {
379	next_job:	598	next_job:
		599
380	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
381	if ($avail > 0.01) {	601
382	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
383	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
384	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
385	$job->[2]->send;	606	$job->[2]->send;
386	Coro::cede;	607	Coro::cede;
387	goto next_job;	608	goto next_job;
388	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
389	}	611	}
390	}	612	}
391		613
392	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
393	# we do not use wait_for_tick() as it returns immediately when tick is inactive	615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
394	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
395	$signal->wait;
396	} else {	617	} else {
		618	$busy = 0;
397	Coro::schedule;	619	Coro::schedule;
398	}	620	}
399	}	621	}
400	};	622	};
401		623
402	sub get_slot($;$$) {	624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
403	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
404		628
405	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
406	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
407		632
408	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
409	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
410	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
436	=cut	661	=cut
437		662
438	sub sync_job(&) {	663	sub sync_job(&) {
439	my ($job) = @_;	664	my ($job) = @_;
440		665
441	if ($Coro::current == $Coro::main) {	666	if (in_main) {
442	my $time = EV::time;	667	my $time = AE::time;
443		668
444	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
445	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
446		671
447	LOG llevError, Carp::longmess "sync job";#d#	672	#LOG llevError, Carp::longmess "sync job";#d#
448		673
449	# TODO: use suspend/resume instead
450	# (but this is cancel-safe)
451	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
452		675
453	my $busy = 1;	676	my $busy = 1;
454	my @res;	677	my @res;
455		678
456	(async {	679	(async {
457	$Coro::current->desc ("sync job coro");	680	$Coro::current->desc ("sync job coro");
458	@res = eval { $job->() };	681	@res = eval { $job->() };
459	warn $@ if $@;	682	error $@ if $@;
460	undef $busy;	683	undef $busy;
461	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
462		685
463	while ($busy) {	686	while ($busy) {
464	if (Coro::nready) {	687	if (Coro::nready) {
…		…
466	} else {	689	} else {
467	EV::loop EV::LOOP_ONESHOT;	690	EV::loop EV::LOOP_ONESHOT;
468	}	691	}
469	}	692	}
470		693
471	$time = EV::time - $time;	694	my $time = AE::time - $time;
472		695
473	LOG llevError | logBacktrace, Carp::longmess "long sync job"
474	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
475
476	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
477		697
478	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
479	} else {	699	} else {
480	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
481		701
…		…
501	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
502		722
503	$coro	723	$coro
504	}	724	}
505		725
506	=item fork_call { }, $args	726	=item fork_call { }, @args
507		727
508	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
509	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
510	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
511	never block itself or use any form of event handling.	731	never block itself or use any form of event handling.
512		732
513	=cut	733	=cut
514		734
		735	sub post_fork {
		736	reset_signals;
		737	}
		738
515	sub fork_call(&@) {	739	sub fork_call(&@) {
516	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
517		741
518	# we seemingly have to make a local copy of the whole thing,	742	# we seemingly have to make a local copy of the whole thing,
519	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
520	# TODO: investigate and fix (likely this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
521		745
522	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
523	reset_signals;	747	cf::post_fork;
524	&$cb	748	&$cb
525	}, @args;	749	} @args;
526		750
527	wantarray ? @res : $res[-1]	751	wantarray ? @res : $res[-1]
		752	}
		753
		754	sub objinfo {
		755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
528	}	790	}
529		791
530	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
531		793
532	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
542	within each server.	804	within each server.
543		805
544	=cut	806	=cut
545		807
546	sub db_table($) {	808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
547	my ($name) = @_;	812	my ($name) = @_;
548	my $db = BDB::db_create $DB_ENV;	813	my $db = BDB::db_create $DB_ENV;
549		814
550	eval {	815	eval {
551	$db->set_flags (BDB::CHKSUM);	816	$db->set_flags (BDB::CHKSUM);
…		…
561	}	826	}
562		827
563	our $DB;	828	our $DB;
564		829
565	sub db_init {	830	sub db_init {
566	cf::sync_job {
567	$DB ||= db_table "db";	831	$DB ||= db_table "db";
568	};
569	}	832	}
570		833
571	sub db_get($$) {	834	sub db_get($$) {
572	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
573		836
574	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
575	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
576		841
577	$! ? ()	842	$! ? ()
578	: $data	843	: $data
579	}
580	}	844	}
581		845
582	sub db_put($$$) {	846	sub db_put($$$) {
583	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
584	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
612		876
613	my @data;	877	my @data;
614	my $md5;	878	my $md5;
615		879
616	for (0 .. $#$src) {	880	for (0 .. $#$src) {
617	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
618	or Carp::croak "$src->[$_]: $!";
619	}	882	}
620		883
621	# if processing is expensive, check	884	# if processing is expensive, check
622	# checksum first	885	# checksum first
623	if (1) {	886	if (1) {
…		…
640		903
641	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
642	my $data = $process->(\@data);	905	my $data = $process->(\@data);
643	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
644		907
645	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
646		909
647	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
648	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
649	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
650		913
…		…
660		923
661	=cut	924	=cut
662		925
663	sub datalog($@) {	926	sub datalog($@) {
664	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
665	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
666	}	929	}
667		930
668	=back	931	=back
669		932
670	=cut	933	=cut
671		934
672	#############################################################################	935	#############################################################################
673		936
674	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
675		938
676	Many objects in crossfire are so-called attachable objects. That means you can	939	Many objects in deliantra are so-called attachable objects. That means you can
677	attach callbacks/event handlers (a collection of which is called an "attachment")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
678	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
679		942
680	In the following description, CLASS can be any of C<global>, C<object>	943	In the following description, CLASS can be any of C<global>, C<object>
681	C<player>, C<client> or C<map> (i.e. the attachable objects in	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
731	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
732		995
733	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
734	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
735		998
736	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
737	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
738		1001
739	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
740		1003
741	=over 4	1004	=over 4
…		…
865		1128
866	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
867	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
868		1131
869	} elsif (ref $type) {	1132	} elsif (ref $type) {
870	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
871		1134
872	} else {	1135	} else {
873	shift @arg;	1136	shift @arg;
874	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
875	}	1138	}
876	}	1139	}
877	}	1140	}
878		1141
879	sub _object_attach {	1142	sub _object_attach {
…		…
889	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
890	}	1153	}
891		1154
892	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
893	} else {	1156	} else {
894	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
895	}	1158	}
896		1159
897	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
898	}	1161	}
899		1162
…		…
958		1221
959	for (@$callbacks) {	1222	for (@$callbacks) {
960	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
961		1224
962	if ($@) {	1225	if ($@) {
963	warn "$@";
964	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
965	override;	1227	override;
966	}	1228	}
967		1229
968	return 1 if $override;	1230	return 1 if $override;
969	}	1231	}
970		1232
971	0	1233	0
972	}	1234	}
973		1235
974	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
975		1237
976	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
977		1239
978	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
979		1241
…		…
1032		1294
1033	sub reattach {	1295	sub reattach {
1034	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
1035	my ($obj) = @_;	1297	my ($obj) = @_;
1036		1298
		1299	# no longer needed after getting rid of delete_package?
1037	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1038		1301
1039	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
1040		1303
1041	@$registry = ();	1304	@$registry = ();
1042		1305
…		…
1047	for (@$attach) {	1310	for (@$attach) {
1048	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
1049	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
1050	}	1313	}
1051	} else {	1314	} else {
1052	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
1053	}	1316	}
1054	}	1317	}
1055	}	1318	}
1056		1319
1057	cf::attachable->attach (	1320	cf::attachable->attach (
…		…
1084	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1085		1348
1086	sync_job {	1349	sync_job {
1087	if (length $$rdata) {	1350	if (length $$rdata) {
1088	utf8::decode (my $decname = $filename);	1351	utf8::decode (my $decname = $filename);
1089	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1090	$decname, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1091		1355
1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1093	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1095	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1361	aio_fsync $fh;
		1362	}
1096	close $fh;	1363	aio_close $fh;
1097		1364
1098	if (@$objs) {	1365	if (@$objs) {
1099	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1100	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1102	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1103	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1372	aio_fsync $fh;
		1373	}
1104	close $fh;	1374	aio_close $fh;
1105	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1106	}	1376	}
1107	} else {	1377	} else {
1108	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1109	}	1379	}
1110		1380
1111	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1112	} else {	1385	} else {
1113	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1114	}	1387	}
1115	} else {	1388	} else {
1116	aio_unlink $filename;	1389	aio_unlink $filename;
1117	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1118	}	1391	}
…		…
1142	my $st = eval { Coro::Storable::thaw $av };	1415	my $st = eval { Coro::Storable::thaw $av };
1143	$av = $st->{objs};	1416	$av = $st->{objs};
1144	}	1417	}
1145		1418
1146	utf8::decode (my $decname = $filename);	1419	utf8::decode (my $decname = $filename);
1147	warn sprintf "loading %s (%d,%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1148	$decname, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
1149		1423
1150	($data, $av)	1424	($data, $av)
1151	}	1425	}
1152		1426
1153	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
…		…
1209	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1210		1484
1211	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1212	}	1486	}
1213		1487
		1488	use File::Glob ();
		1489
1214	cf::player->attach (	1490	cf::player->attach (
1215	on_command => sub {	1491	on_unknown_command => sub {
1216	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1217		1493
1218	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1219	or return;	1495	or return;
1220		1496
…		…
1228	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1229		1505
1230	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1231		1507
1232	if (ref $msg) {	1508	if (ref $msg) {
1233	my ($type, $reply, @payload) =	1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1234	"ARRAY" eq ref $msg
1235	? @$msg
1236	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1237		1510
1238	my @reply;	1511	my @reply;
1239		1512
1240	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1241	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
…		…
1243		1516
1244	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_reply ($reply, @reply)
1245	if $reply;	1518	if $reply;
1246		1519
1247	} else {	1520	} else {
1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1249	}	1522	}
1250		1523
1251	cf::override;	1524	cf::override;
1252	},	1525	},
1253	);	1526	);
1254		1527
		1528	# "readahead" all extensions
		1529	sub cache_extensions {
		1530	my $grp = IO::AIO::aio_group;
		1531
		1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1533	for (grep /\.ext$/, @{$_[0]}) {
		1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1535	}
		1536	};
		1537
		1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1550	}
		1551
1255	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1256	cf::sync_job {	1557	cf::sync_job {
1257	my %todo;	1558	my %todo;
1258		1559
1259	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1260	next unless -r $path;	1561	next unless -r $path;
…		…
1278		1579
1279	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1280	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1281		1582
1282	$ext{source} =	1583	$ext{source} =
1283	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1284	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1285	. $source	1586	. $source
1286	. "\n};\n1";	1587	. "\n};\n1";
1287		1588
1288	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1289	}	1590	}
1290		1591
		1592	my $pass = 0;
1291	my %done;	1593	my %done;
1292	while (%todo) {	1594	while (%todo) {
1293	my $progress;	1595	my $progress;
1294		1596
		1597	++$pass;
		1598
		1599	ext:
1295	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1296	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1297	goto skip	1602	next ext
1298	unless exists $done{$_};	1603	unless exists $done{$_};
1299	}	1604	}
1300		1605
1301	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1302		1607
1303	unless (eval $v->{source}) {	1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
1304	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1305	: "$v->{base}: extension inactive.\n";
1306		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1307	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1308	warn $msg;	1624
1309	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1310	exit 1;	1626	delete $todo{$k};
1311	}	1627	} else {
1312		1628	$done{$k} = delete $todo{$k};
1313	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1314	}	1634	}
1315
1316	$done{$k} = delete $todo{$k};
1317	push @EXTS, $v->{pkg};
1318	$progress = 1;
1319	}	1635	}
1320		1636
1321	skip:	1637	unless ($progress) {
1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1323	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1324	}	1647	}
1325	};	1648	};
1326	}	1649	}
1327		1650
1328	#############################################################################	1651	#############################################################################
1329		1652
1330	=back	1653	=back
1331		1654
1332	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1333		1656
1334	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1335		1658
1336	=cut	1659	=cut
1337		1660
1338	package cf::player;	1661	package cf::player;
1339		1662
…		…
1382		1705
1383	sub exists($) {	1706	sub exists($) {
1384	my ($login) = @_;	1707	my ($login) = @_;
1385		1708
1386	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1387	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1388	}	1711	}
1389		1712
1390	sub find($) {	1713	sub find($) {
1391	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1392	my $login = $_[0];	1715	my $login = $_[0];
…		…
1404	my $f = new_from_file cf::object::thawer path $login	1727	my $f = new_from_file cf::object::thawer path $login
1405	or return;	1728	or return;
1406		1729
1407	my $pl = cf::player::load_pl $f	1730	my $pl = cf::player::load_pl $f
1408	or return;	1731	or return;
		1732
1409	local $cf::PLAYER_LOADING{$login} = $pl;	1733	local $cf::PLAYER_LOADING{$login} = $pl;
1410	$f->resolve_delayed_derefs;	1734	$f->resolve_delayed_derefs;
1411	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1412	}	1736	}
1413	}	1737	}
1414	}	1738	}
1415		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
		1752
1416	sub save($) {	1753	sub save($) {
1417	my ($pl) = @_;	1754	my ($pl) = @_;
1418		1755
1419	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
1420		1757
…		…
1423		1760
1424	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1425		1762
1426	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1427	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
		1765
		1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1428		1770
1429	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1430	cf::cede_to_tick;	1772	cf::cede_to_tick;
1431	}	1773	}
1432		1774
…		…
1464	my ($pl) = @_;	1806	my ($pl) = @_;
1465		1807
1466	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1467		1809
1468	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1469	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1470		1812
1471	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1472	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1473	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1474	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1475		1821
1476	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1477	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1478	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1516		1862
1517	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
1518	my $path = path $login;	1864	my $path = path $login;
1519		1865
1520	# a .pst is a dead give-away for a valid player	1866	# a .pst is a dead give-away for a valid player
1521	unless (-e "$path.pst") {	1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1523	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1524	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
1525	}	1872	}
1526		1873
…		…
1530		1877
1531	\@logins	1878	\@logins
1532	}	1879	}
1533		1880
1534	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1535		1884
1536	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1537	player. May block.	1886	player. May block.
1538		1887
1539	=cut	1888	=cut
…		…
1557	}	1906	}
1558		1907
1559	\@paths	1908	\@paths
1560	}	1909	}
1561		1910
1562	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1563		1912
1564	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1565
1566	=cut
1567
1568	use re 'eval';
1569
1570	my $group;
1571	my $interior; $interior = qr{
1572	# match a pod interior sequence sans C<< >>
1573	(?:
1574	\ (.*?)\ (?{ $group = $^N })
1575	| < (??{$interior}) >
1576	)
1577	}x;
1578
1579	sub expand_cfpod {
1580	my ($self, $pod) = @_;
1581
1582	my $xml;
1583
1584	while () {
1585	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1586	$group = $1;
1587
1588	$group =~ s/&/&amp;/g;
1589	$group =~ s/</&lt;/g;
1590
1591	$xml .= $group;
1592	} elsif ($pod =~ m%\G
1593	([BCGHITU])
1594	<
1595	(?:
1596	([^<>]*) (?{ $group = $^N })
1597	| < $interior >
1598	)
1599	>
1600	%gcsx
1601	) {
1602	my ($code, $data) = ($1, $group);
1603
1604	if ($code eq "B") {
1605	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1606	} elsif ($code eq "I") {
1607	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1608	} elsif ($code eq "U") {
1609	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1610	} elsif ($code eq "C") {
1611	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1612	} elsif ($code eq "T") {
1613	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1614	} elsif ($code eq "G") {
1615	my ($male, $female) = split /\|/, $data;
1616	$data = $self->gender ? $female : $male;
1617	$xml .= expand_cfpod ($self, $data);
1618	} elsif ($code eq "H") {
1619	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1620	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1621	"")
1622	[$self->{hintmode}];
1623	} else {
1624	$xml .= "error processing '$code($data)' directive";
1625	}
1626	} else {
1627	if ($pod =~ /\G(.+)/) {
1628	warn "parse error while expanding $pod (at $1)";
1629	}
1630	last;
1631	}
1632	}
1633
1634	for ($xml) {
1635	# create single paragraphs (very hackish)
1636	s/(?<=\S)\n(?=\w)/ /g;
1637
1638	# compress some whitespace
1639	s/\s+\n/\n/g; # ws line-ends
1640	s/\n\n+/\n/g; # double lines
1641	s/^\n+//; # beginning lines
1642	s/\n+$//; # ending lines
1643	}
1644
1645	$xml
1646	}
1647
1648	no re 'eval';
1649
1650	sub hintmode {
1651	$_[0]{hintmode} = $_[1] if @_ > 1;
1652	$_[0]{hintmode}
1653	}
1654		1914
1655	=item $player->ext_reply ($msgid, @msg)	1915	=item $player->ext_reply ($msgid, @msg)
1656		1916
1657	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1658		1918
…		…
1690		1950
1691	=cut	1951	=cut
1692		1952
1693	sub find_by_path($) {	1953	sub find_by_path($) {
1694	my ($path) = @_;	1954	my ($path) = @_;
		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
1695		1957
1696	my ($match, $specificity);	1958	my ($match, $specificity);
1697		1959
1698	for my $region (list) {	1960	for my $region (list) {
1699	if ($region->{match} && $path =~ $region->{match}) {	1961	if ($region->{match} && $path =~ $region->{match}) {
…		…
1725	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1726	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1727		1989
1728	sub generate_random_map {	1990	sub generate_random_map {
1729	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1730	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1731	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1732	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1733	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1734	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1735	$rmp->{exit_on_final_map},
1736	$rmp->{xsize}, $rmp->{ysize},
1737	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1738	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1739	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1740	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1741	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1742	(cf::region::find $rmp->{region}), $rmp->{custom}
1743	)
1744	}	1996	}
1745		1997
1746	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1747		1999
1748	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1753		2005
1754	sub register {	2006	sub register {
1755	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1756	my $pkg = caller;	2008	my $pkg = caller;
1757		2009
1758	no strict;
1759	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1760		2011
1761	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1762	}	2013	}
1763		2014
1764	# also paths starting with '/'	2015	# also paths starting with '/'
1765	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1766		2017
1767	sub thawer_merge {	2018	sub thawer_merge {
1768	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1769		2020
1770	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1775	}	2026	}
1776		2027
1777	sub normalise {	2028	sub normalise {
1778	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1779		2030
1780	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1781		2032
1782	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1783		2034
1784	# map plan:	2035	# map plan:
1785	#	2036	#
…		…
1800	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1801	$path = "$base/$path";	2052	$path = "$base/$path";
1802	}	2053	}
1803		2054
1804	for ($path) {	2055	for ($path) {
1805	redo if s{//}{/};
1806	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1807	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1808	}	2058	}
1809		2059
1810	$path	2060	$path
…		…
1824	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1825	return $self;	2075	return $self;
1826	}	2076	}
1827	}	2077	}
1828		2078
1829	Carp::cluck "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1830	()	2080	()
1831	}	2081	}
1832		2082
		2083	# may re-bless or do other evil things
1833	sub init {	2084	sub init {
1834	my ($self) = @_;	2085	my ($self) = @_;
1835		2086
1836	$self	2087	$self
1837	}	2088	}
…		…
1856		2107
1857	# the temporary/swap location	2108	# the temporary/swap location
1858	sub save_path {	2109	sub save_path {
1859	my ($self) = @_;	2110	my ($self) = @_;
1860		2111
1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1862	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1863	}	2114	}
1864		2115
1865	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1866	sub uniq_path {	2117	sub uniq_path {
1867	my ($self) = @_;	2118	my ($self) = @_;
1868		2119
1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1870	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1871	}
1872
1873	# and all this just because we cannot iterate over
1874	# all maps in C++...
1875	sub change_all_map_light {
1876	my ($change) = @_;
1877
1878	$_->change_map_light ($change)
1879	for grep $_->outdoor, values %cf::MAP;
1880	}	2122	}
1881		2123
1882	sub decay_objects {	2124	sub decay_objects {
1883	my ($self) = @_;	2125	my ($self) = @_;
1884		2126
…		…
1911	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1912		2154
1913	1	2155	1
1914	}	2156	}
1915		2157
		2158	# used to laod the header of an original map
1916	sub load_header_orig {	2159	sub load_header_orig {
1917	my ($self) = @_;	2160	my ($self) = @_;
1918		2161
1919	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1920	}	2163	}
1921		2164
		2165	# used to laod the header of an instantiated map
1922	sub load_header_temp {	2166	sub load_header_temp {
1923	my ($self) = @_;	2167	my ($self) = @_;
1924		2168
1925	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1926	}	2170	}
1927		2171
		2172	# called after loading the header from an instantiated map
1928	sub prepare_temp {	2173	sub prepare_temp {
1929	my ($self) = @_;	2174	my ($self) = @_;
1930		2175
1931	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1932	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1933	# safety	2178	# safety
1934	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1935	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1936	}	2181	}
1937		2182
		2183	# called after loading the header from an original map
1938	sub prepare_orig {	2184	sub prepare_orig {
1939	my ($self) = @_;	2185	my ($self) = @_;
1940		2186
1941	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1942	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1966		2212
1967	sub find;	2213	sub find;
1968	sub find {	2214	sub find {
1969	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1970		2216
		2217	cf::cede_to_tick;
		2218
1971	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1972		2220
1973	cf::lock_wait "map_data:$path";#d#remove	2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1974	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1975		2223
1976	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1977	my $guard1 = cf::lock_acquire "map_find:$path";
1978	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1979
1980	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1981	or return;	2226	or return;
1982		2227
1983	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1984		2229
…		…
1986	or return;	2231	or return;
1987		2232
1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1989	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1990	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
1991	undef $guard1;	2237	undef $guard1;
1992	undef $guard2;
1993	$map->reset;	2238	$map->reset;
1994	return find $path;	2239	return find $path;
1995	}	2240	}
1996		2241
1997	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1998	}	2243	}
1999	}	2244	}
2000		2245
2001	sub pre_load { }	2246	sub pre_load { }
2002	sub post_load { }	2247	#sub post_load { } # XS
2003		2248
2004	sub load {	2249	sub load {
2005	my ($self) = @_;	2250	my ($self) = @_;
2006		2251
2007	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2010		2255
2011	{	2256	{
2012	my $guard = cf::lock_acquire "map_data:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
2013		2258
2014	return unless $self->valid;	2259	return unless $self->valid;
2015	return unless $self->in_memory == cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
2016
2017	$self->in_memory (cf::MAP_LOADING);
2018		2261
2019	$self->alloc;	2262	$self->alloc;
2020		2263
2021	$self->pre_load;	2264	$self->pre_load;
2022	cf::cede_to_tick;	2265	cf::cede_to_tick;
2023		2266
		2267	if (exists $self->{load_path}) {
2024	my $f = new_from_file cf::object::thawer $self->{load_path};	2268	my $f = new_from_file cf::object::thawer $self->{load_path};
2025	$f->skip_block;	2269	$f->skip_block;
2026	$self->_load_objects ($f)	2270	$self->_load_objects ($f)
2027	or return;	2271	or return;
2028		2272
2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
2030	if delete $self->{load_original};	2274	if delete $self->{load_original};
2031		2275
2032	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
2033	utf8::encode $uniq;	2277	utf8::encode $uniq;
2034	unless (aio_stat $uniq) {	2278	unless (aio_stat $uniq) {
2035	if (my $f = new_from_file cf::object::thawer $uniq) {	2279	if (my $f = new_from_file cf::object::thawer $uniq) {
2036	$self->clear_unique_items;	2280	$self->clear_unique_items;
2037	$self->_load_objects ($f);	2281	$self->_load_objects ($f);
2038	$f->resolve_delayed_derefs;	2282	$f->resolve_delayed_derefs;
		2283	}
2039	}	2284	}
2040	}	2285	}
2041	}
2042		2286
2043	$f->resolve_delayed_derefs;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
2044		2294
2045	cf::cede_to_tick;	2295	cf::cede_to_tick;
2046	# now do the right thing for maps	2296	# now do the right thing for maps
2047	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
2048	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
…		…
2052	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
2053	$self->decay_objects;	2303	$self->decay_objects;
2054	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
2055	$self->update_buttons;	2305	$self->update_buttons;
2056	cf::cede_to_tick;	2306	cf::cede_to_tick;
2057	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
2058	cf::cede_to_tick;
2059	$self->activate;
2060	}	2308	}
2061		2309
2062	$self->{last_save} = $cf::RUNTIME;	2310	$self->{last_save} = $cf::RUNTIME;
2063	$self->last_access ($cf::RUNTIME);	2311	$self->last_access ($cf::RUNTIME);
2064
2065	$self->in_memory (cf::MAP_IN_MEMORY);
2066	}	2312	}
2067		2313
2068	$self->post_load;	2314	$self->post_load;
2069	}
2070		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
2071	sub customise_for {	2322	sub customise_for {
2072	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
2073		2324
2074	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
2075	if $self->per_player;	2326	if $self->per_player;
…		…
2078	# if $self->per_party;	2329	# if $self->per_party;
2079		2330
2080	$self	2331	$self
2081	}	2332	}
2082		2333
2083	# find and load all maps in the 3x3 area around a map
2084	sub load_neighbours {
2085	my ($map) = @_;
2086
2087	my @neigh; # diagonal neighbours
2088
2089	for (0 .. 3) {
2090	my $neigh = $map->tile_path ($_)
2091	or next;
2092	$neigh = find $neigh, $map
2093	or next;
2094	$neigh->load;
2095
2096	push @neigh,
2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2099	}
2100
2101	for (grep defined $_->[0], @neigh) {
2102	my ($path, $origin) = @$_;
2103	my $neigh = find $path, $origin
2104	or next;
2105	$neigh->load;
2106	}
2107	}
2108
2109	sub find_sync {	2334	sub find_sync {
2110	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
2111		2336
2112	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
2113	}	2342	}
2114		2343
2115	sub do_load_sync {	2344	sub do_load_sync {
2116	my ($map) = @_;	2345	my ($map) = @_;
2117		2346
		2347	# it's a bug to call this from the main context
2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2119	if $Coro::current == $Coro::main;	2349	if $Coro::current == $Coro::main;
2120		2350
2121	cf::sync_job { $map->load };	2351	$map->load;
2122	}	2352	}
2123		2353
2124	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
2125	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
2126		2356
2127	sub find_async {	2357	sub find_async {
2128	my ($path, $origin, $load) = @_;	2358	my ($path, $origin, $load) = @_;
2129		2359
2130	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
2131		2361
2132	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
2134	}	2364	}
2135		2365
2136	$MAP_PREFETCH{$path} |= $load;	2366	$MAP_PREFETCH{$path} |= $load;
2137		2367
2138	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
…		…
2152	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
2153		2383
2154	()	2384	()
2155	}	2385	}
2156		2386
		2387	# common code, used by both ->save and ->swapout
2157	sub save {	2388	sub _save {
2158	my ($self) = @_;	2389	my ($self) = @_;
2159
2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
2161		2390
2162	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
2163		2392
2164	return unless $self->dirty;	2393	return unless $self->dirty;
2165		2394
…		…
2174		2403
2175	cf::async {	2404	cf::async {
2176	$Coro::current->{desc} = "map player save";	2405	$Coro::current->{desc} = "map player save";
2177	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
2178	};	2407	};
		2408
		2409	cf::get_slot 0.02;
2179		2410
2180	if ($uniq) {	2411	if ($uniq) {
2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2182	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2183	} else {	2414	} else {
2184	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2185	}	2416	}
2186	}	2417	}
2187		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
2188	sub swap_out {	2427	sub swap_out {
2189	my ($self) = @_;	2428	my ($self) = @_;
2190		2429
2191	# save first because save cedes
2192	$self->save;
2193
2194	my $lock = cf::lock_acquire "map_data:$self->{path}";	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
2195		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
2196	return if $self->players;	2434	return if $self->players;
2197	return if $self->in_memory != cf::MAP_IN_MEMORY;	2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
		2445	$self->clear;
		2446	}
		2447
		2448	sub reset_at {
		2449	my ($self) = @_;
		2450
		2451	# TODO: safety, remove and allow resettable per-player maps
2198	return if $self->{deny_save};	2452	return 1e99 if $self->{deny_reset};
2199		2453
		2454	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2455	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2456
		2457	$time + $to
		2458	}
		2459
		2460	sub should_reset {
		2461	my ($self) = @_;
		2462
		2463	$self->reset_at <= $cf::RUNTIME
		2464	}
		2465
		2466	sub reset {
		2467	my ($self) = @_;
		2468
		2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2470
		2471	return if $self->players;
		2472
		2473	cf::trace "resetting map ", $self->path, "\n";
		2474
2200	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
		2476
		2477	# need to save uniques path
		2478	unless ($self->{deny_save}) {
		2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2480
		2481	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2482	if $uniq;
		2483	}
		2484
		2485	delete $cf::MAP{$self->path};
2201		2486
2202	$self->deactivate;	2487	$self->deactivate;
2203	$_->clear_links_to ($self) for values %cf::MAP;	2488	$_->clear_links_to ($self) for values %cf::MAP;
2204	$self->clear;	2489	$self->clear;
2205	}
2206
2207	sub reset_at {
2208	my ($self) = @_;
2209
2210	# TODO: safety, remove and allow resettable per-player maps
2211	return 1e99 if $self->{deny_reset};
2212
2213	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2214	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2215
2216	$time + $to
2217	}
2218
2219	sub should_reset {
2220	my ($self) = @_;
2221
2222	$self->reset_at <= $cf::RUNTIME
2223	}
2224
2225	sub reset {
2226	my ($self) = @_;
2227
2228	my $lock = cf::lock_acquire "map_data:$self->{path}";
2229
2230	return if $self->players;
2231
2232	warn "resetting map ", $self->path;
2233
2234	$self->in_memory (cf::MAP_SWAPPED);
2235
2236	# need to save uniques path
2237	unless ($self->{deny_save}) {
2238	my $uniq = $self->uniq_path; utf8::encode $uniq;
2239
2240	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2241	if $uniq;
2242	}
2243
2244	delete $cf::MAP{$self->path};
2245
2246	$self->deactivate;
2247	$_->clear_links_to ($self) for values %cf::MAP;
2248	$self->clear;
2249		2490
2250	$self->unlink_save;	2491	$self->unlink_save;
2251	$self->destroy;	2492	$self->destroy;
2252	}	2493	}
2253		2494
…		…
2261		2502
2262	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2263		2504
2264	$self->unlink_save;	2505	$self->unlink_save;
2265		2506
2266	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2267	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2268	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2269	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2271		2512
…		…
2320		2561
2321	sub unique_maps() {	2562	sub unique_maps() {
2322	[	2563	[
2323	map {	2564	map {
2324	utf8::decode $_;	2565	utf8::decode $_;
2325	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2326	? normalise $_	2569	: normalise $_
2327	: ()
2328	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2329	]	2571	]
2330	}	2572	}
2331		2573
2332	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
2333		2605
2334	=back	2606	=back
2335		2607
2336	=head3 cf::object	2608	=head3 cf::object
2337		2609
…		…
2341		2613
2342	=over 4	2614	=over 4
2343		2615
2344	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2345		2617
2346	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
2347		2620
2348	=cut	2621	=cut
2349		2622
2350	sub inv_recursive_;	2623	sub inv_recursive_;
2351	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2356	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2357	}	2630	}
2358		2631
2359	=item $ref = $ob->ref	2632	=item $ref = $ob->ref
2360		2633
2361	creates and returns a persistent reference to an objetc that can be stored as a string.	2634	Creates and returns a persistent reference to an object that can be stored as a string.
2362		2635
2363	=item $ob = cf::object::deref ($refstring)	2636	=item $ob = cf::object::deref ($refstring)
2364		2637
2365	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2366	even if the object actually exists. May block.	2639	even if the object actually exists. May block.
…		…
2398	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
2399	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2400		2673
2401	=cut	2674	=cut
2402		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
		2689
2403	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2404	# with dialog boxes.	2691	# with dialog boxes.
2405	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
2406	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
2407	my ($self, $npc, $msg, $flags) = @_;	2694	my ($self, $npc, $msg, $flags) = @_;
…		…
2418	my $dialog = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2420		2707
2421	} else {	2708	} else {
2422	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2423	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2424	}	2711	}
2425	}	2712	}
2426	}	2713	}
2427		2714
2428	=item $object->send_msg ($channel, $msg, $color, [extra...])	2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2453		2740
2454	=item $player_object->enter_link	2741	=item $player_object->enter_link
2455		2742
2456	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
2457		2744
2458	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
2459	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
2460		2749
2461	Will never block.	2750	Will never block.
2462		2751
2463	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2464		2753
…		…
2484	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2485	my ($self) = @_;	2774	my ($self) = @_;
2486		2775
2487	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2488		2777
		2778	++$self->{_link_recursion};
		2779
2489	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2490		2781
2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2492	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2493		2784
2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2495	}	2786	}
2496		2787
2497	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2498	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2499		2790
…		…
2516	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2517	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2518		2809
2519	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2520	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2521	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2522		2813
2523	$map->load;	2814	$map->load;
2524	$map->load_neighbours;
2525		2815
2526	return unless $self->contr->active;	2816	return unless $self->contr->active;
2527	$self->activate_recursive;
2528		2817
2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2530	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2531	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2532		2825
		2826	}
		2827
2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2534		2829
2535	Moves the player to the given map-path and coordinates by first freezing	2830	Moves the player to the given map-path and coordinates by first freezing
2536	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2537	that has to return the map if sucecssful, and then unfreezes the player on	2832	that has to return the map if sucecssful, and then unfreezes the player on
2538	the new (success) or old (failed) map position. In either case, $done will	2833	the new (success) or old (failed) map position. In either case, $done will
2539	be called at the end of this process.	2834	be called at the end of this process.
2540		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
		2838
2541	=cut	2839	=cut
2542		2840
2543	our $GOTOGEN;	2841	our $GOTOGEN;
2544		2842
2545	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2546	my ($self, $path, $x, $y, $check, $done) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
2547		2851
2548	# do generation counting so two concurrent goto's will be executed in-order	2852	# do generation counting so two concurrent goto's will be executed in-order
2549	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2550		2854
2551	$self->enter_link;	2855	$self->enter_link;
…		…
2571	($path, $x, $y) = (undef, undef, undef);	2875	($path, $x, $y) = (undef, undef, undef);
2572	}	2876	}
2573	}	2877	}
2574		2878
2575	my $map = eval {	2879	my $map = eval {
2576	my $map = defined $path ? cf::map::find $path : undef;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2577		2881
2578	if ($map) {	2882	if ($map) {
2579	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2580	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2581	} else {	2885	} else {
2582	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2583	}	2887	}
2584		2888
2585	$map	2889	$map
…		…
2593	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2594	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2595	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2596	}	2900	}
2597		2901
2598	$done->() if $done;	2902	$done->($self) if $done;
2599	})->prio (1);	2903	})->prio (1);
2600	}	2904	}
2601		2905
2602	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2603		2907
…		…
2623	}	2927	}
2624		2928
2625	sub prepare_random_map {	2929	sub prepare_random_map {
2626	my ($exit) = @_;	2930	my ($exit) = @_;
2627		2931
2628	my $guard = cf::lock_acquire "exit_prepare:$exit";
2629
2630	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2631	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2632	# that depends on the exit object	2934	# that depends on the exit object
2633		2935
2634	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2636	if ($exit->map) {	2938	if ($exit->map) {
2637	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2638	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2639	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2640	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2641	}	2945	}
2642		2946
2643	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2644		2948
2645	my $data = cf::encode_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2646	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2647	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2648		2952
2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2650	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2651	undef $fh;	2955	undef $fh;
2652	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2653		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2654	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2655	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2656	}	2964	}
2657	}	2965	}
2658		2966
2659	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2660	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2661		2969
2662	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2663		2971
2664	if ($exit->slaying eq "/!") {
2665	#TODO: this should de-fi-ni-te-ly not be a sync-job
2666	# the problem is that $exit might not survive long enough
2667	# so it needs to be done right now, right here
2668	cf::sync_job { prepare_random_map $exit };
2669	}
2670
2671	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2672	my $hp = $exit->stats->hp;
2673	my $sp = $exit->stats->sp;
2674
2675	$self->enter_link;	2972	$self->enter_link;
2676		2973
2677	# if exit is damned, update players death & WoR home-position
2678	$self->contr->savebed ($slaying, $hp, $sp)
2679	if $exit->flag (FLAG_DAMNED);
2680
2681	(async {	2974	(async {
2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2975	$Coro::current->{desc} = "enter_exit";
2683		2976
2684	$self->deactivate_recursive; # just to be sure
2685	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
2686	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2687		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
2688	1;	3013	1
2689	}) {	3014	}) {
2690	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2691	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2692	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2693	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2694		3019
2695	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2696	$self->leave_link;	3021	$self->leave_link;
2697	}	3022	}
2698	})->prio (1);	3023	})->prio (1);
2699	}	3024	}
2700		3025
…		…
2712	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
2713	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
2714		3039
2715	utf8::encode $text;	3040	utf8::encode $text;
2716	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3042	}
		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
2717	}	3067	}
2718		3068
2719	=item $client->send_msg ($channel, $msg, $color, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2720		3070
2721	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2725		3075
2726	=cut	3076	=cut
2727		3077
2728	# non-persistent channels (usually the info channel)	3078	# non-persistent channels (usually the info channel)
2729	our %CHANNEL = (	3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
2730	"c/identify" => {	3086	"c/identify" => {
2731	id => "infobox",	3087	id => "infobox",
2732	title => "Identify",	3088	title => "Identify",
2733	reply => undef,	3089	reply => undef,
2734	tooltip => "Items recently identified",	3090	tooltip => "Items recently identified",
…		…
2736	"c/examine" => {	3092	"c/examine" => {
2737	id => "infobox",	3093	id => "infobox",
2738	title => "Examine",	3094	title => "Examine",
2739	reply => undef,	3095	reply => undef,
2740	tooltip => "Signs and other items you examined",	3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
2741	},	3103	},
2742	"c/book" => {	3104	"c/book" => {
2743	id => "infobox",	3105	id => "infobox",
2744	title => "Book",	3106	title => "Book",
2745	reply => undef,	3107	reply => undef,
…		…
2761	id => "infobox",	3123	id => "infobox",
2762	title => "Body Parts",	3124	title => "Body Parts",
2763	reply => undef,	3125	reply => undef,
2764	tooltip => "Shows which body parts you posess and are available",	3126	tooltip => "Shows which body parts you posess and are available",
2765	},	3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
2766	"c/uptime" => {	3164	"c/uptime" => {
2767	id => "infobox",	3165	id => "infobox",
2768	title => "Uptime",	3166	title => "Uptime",
2769	reply => undef,	3167	reply => undef,
2770	tooltip => "How long the server has been running since last restart",	3168	tooltip => "How long the server has been running since last restart",
…		…
2773	id => "infobox",	3171	id => "infobox",
2774	title => "Map Info",	3172	title => "Map Info",
2775	reply => undef,	3173	reply => undef,
2776	tooltip => "Information related to the maps",	3174	tooltip => "Information related to the maps",
2777	},	3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
2778	);	3190	);
2779		3191
2780	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2781	my ($self, $channel, $msg, $color, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2782		3194
2783	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
2784		3197
2785	$color &= cf::NDI_CLIENT_MASK; # just in case...	3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
2786		3199
2787	# check predefined channels, for the benefit of C	3200	# check predefined channels, for the benefit of C
2788	if ($CHANNEL{$channel}) {	3201	if ($CHANNEL{$channel}) {
2789	$channel = $CHANNEL{$channel};	3202	$channel = $CHANNEL{$channel};
2790		3203
2791	$self->ext_msg (channel_info => $channel)	3204	$self->ext_msg (channel_info => $channel);
2792	if $self->can_msg;
2793
2794	$channel = $channel->{id};	3205	$channel = $channel->{id};
2795		3206
2796	} elsif (ref $channel) {	3207	} elsif (ref $channel) {
2797	# send meta info to client, if not yet sent	3208	# send meta info to client, if not yet sent
2798	unless (exists $self->{channel}{$channel->{id}}) {	3209	unless (exists $self->{channel}{$channel->{id}}) {
2799	$self->{channel}{$channel->{id}} = $channel;	3210	$self->{channel}{$channel->{id}} = $channel;
2800	$self->ext_msg (channel_info => $channel)	3211	$self->ext_msg (channel_info => $channel);
2801	if $self->can_msg;
2802	}	3212	}
2803		3213
2804	$channel = $channel->{id};	3214	$channel = $channel->{id};
2805	}	3215	}
2806		3216
2807	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2808		3218
2809	if ($self->can_msg) {
2810	# default colour, mask it out	3219	# default colour, mask it out
2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2812	if $color & cf::NDI_DEF;	3221	if $color & cf::NDI_DEF;
2813		3222
2814	$self->send_packet ("msg " . $self->{json_coder}->encode (	3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
2815	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2816	} else {	3226	);
2817	if ($color >= 0) {
2818	# replace some tags by gcfclient-compatible ones
2819	for ($msg) {
2820	1 while
2821	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2822	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2823	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2824	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2825	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2826	}
2827		3227
2828	$color &= cf::NDI_COLOR_MASK;	3228	$self->send_big_packet ($pkt);
2829
2830	utf8::encode $msg;
2831
2832	if (0 && $msg =~ /\[/) {
2833	# COMMAND/INFO
2834	$self->send_packet ("drawextinfo $color 10 8 $msg")
2835	} else {
2836	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2837	$self->send_packet ("drawinfo $color $msg")
2838	}
2839	}
2840	}
2841	}	3229	}
2842		3230
2843	=item $client->ext_msg ($type, @msg)	3231	=item $client->ext_msg ($type, @msg)
2844		3232
2845	Sends an ext event to the client.	3233	Sends an ext event to the client.
…		…
2848		3236
2849	sub cf::client::ext_msg($$@) {	3237	sub cf::client::ext_msg($$@) {
2850	my ($self, $type, @msg) = @_;	3238	my ($self, $type, @msg) = @_;
2851		3239
2852	if ($self->extcmd == 2) {	3240	if ($self->extcmd == 2) {
2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3241	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2854	} elsif ($self->extcmd == 1) { # TODO: remove	3242	} elsif ($self->extcmd == 1) { # TODO: remove
2855	push @msg, msgtype => "event_$type";	3243	push @msg, msgtype => "event_$type";
2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));	3244	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2857	}	3245	}
2858	}	3246	}
2859		3247
2860	=item $client->ext_reply ($msgid, @msg)	3248	=item $client->ext_reply ($msgid, @msg)
2861		3249
…		…
2864	=cut	3252	=cut
2865		3253
2866	sub cf::client::ext_reply($$@) {	3254	sub cf::client::ext_reply($$@) {
2867	my ($self, $id, @msg) = @_;	3255	my ($self, $id, @msg) = @_;
2868		3256
2869	if ($self->extcmd == 2) {	3257	return unless $self->extcmd == 2;
		3258
2870	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3259	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2871	} elsif ($self->extcmd == 1) {
2872	#TODO: version 1, remove
2873	unshift @msg, msgtype => "reply", msgid => $id;
2874	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2875	}
2876	}	3260	}
2877		3261
2878	=item $success = $client->query ($flags, "text", \&cb)	3262	=item $success = $client->query ($flags, "text", \&cb)
2879		3263
2880	Queues a query to the client, calling the given callback with	3264	Queues a query to the client, calling the given callback with
…		…
2935	my ($ns, $buf) = @_;	3319	my ($ns, $buf) = @_;
2936		3320
2937	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3321	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2938		3322
2939	if (ref $msg) {	3323	if (ref $msg) {
2940	my ($type, $reply, @payload) =	3324	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2941	"ARRAY" eq ref $msg
2942	? @$msg
2943	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2944		3325
2945	my @reply;	3326	my @reply;
2946		3327
2947	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTICMD{$type}) {
2948	@reply = $cb->($ns, @payload);	3329	@reply = $cb->($ns, @payload);
…		…
2950		3331
2951	$ns->ext_reply ($reply, @reply)	3332	$ns->ext_reply ($reply, @reply)
2952	if $reply;	3333	if $reply;
2953		3334
2954	} else {	3335	} else {
2955	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3336	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2956	}	3337	}
2957		3338
2958	cf::override;	3339	cf::override;
2959	},	3340	},
2960	);	3341	);
…		…
2980		3361
2981	$coro	3362	$coro
2982	}	3363	}
2983		3364
2984	cf::client->attach (	3365	cf::client->attach (
2985	on_destroy => sub {	3366	on_client_destroy => sub {
2986	my ($ns) = @_;	3367	my ($ns) = @_;
2987		3368
2988	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3369	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2989	},	3370	},
2990	);	3371	);
…		…
3006	our $safe_hole = new Safe::Hole;	3387	our $safe_hole = new Safe::Hole;
3007		3388
3008	$SIG{FPE} = 'IGNORE';	3389	$SIG{FPE} = 'IGNORE';
3009		3390
3010	$safe->permit_only (Opcode::opset qw(	3391	$safe->permit_only (Opcode::opset qw(
3011	:base_core :base_mem :base_orig :base_math	3392	:base_core :base_mem :base_orig :base_math :base_loop
3012	grepstart grepwhile mapstart mapwhile	3393	grepstart grepwhile mapstart mapwhile
3013	sort time	3394	sort time
3014	));	3395	));
3015		3396
3016	# here we export the classes and methods available to script code	3397	# here we export the classes and methods available to script code
…		…
3019		3400
3020	The following functions and methods are available within a safe environment:	3401	The following functions and methods are available within a safe environment:
3021		3402
3022	cf::object	3403	cf::object
3023	contr pay_amount pay_player map x y force_find force_add destroy	3404	contr pay_amount pay_player map x y force_find force_add destroy
3024	insert remove name archname title slaying race decrease_ob_nr	3405	insert remove name archname title slaying race decrease split
		3406	value
3025		3407
3026	cf::object::player	3408	cf::object::player
3027	player	3409	player
3028		3410
3029	cf::player	3411	cf::player
…		…
3034		3416
3035	=cut	3417	=cut
3036		3418
3037	for (	3419	for (
3038	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3420	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3039	insert remove inv name archname title slaying race	3421	insert remove inv nrof name archname title slaying race
3040	decrease_ob_nr destroy)],	3422	decrease split destroy change_exp value msg lore send_msg)],
3041	["cf::object::player" => qw(player)],	3423	["cf::object::player" => qw(player)],
3042	["cf::player" => qw(peaceful)],	3424	["cf::player" => qw(peaceful send_msg)],
3043	["cf::map" => qw(trigger)],	3425	["cf::map" => qw(trigger)],
3044	) {	3426	) {
3045	no strict 'refs';
3046	my ($pkg, @funs) = @$_;	3427	my ($pkg, @funs) = @$_;
3047	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3428	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3048	for @funs;	3429	for @funs;
3049	}	3430	}
3050		3431
…		…
3065		3446
3066	my $qcode = $code;	3447	my $qcode = $code;
3067	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3448	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3068	$qcode =~ s/\n/\\n/g;	3449	$qcode =~ s/\n/\\n/g;
3069		3450
		3451	%vars = (_dummy => 0) unless %vars;
		3452
		3453	my @res;
3070	local $_;	3454	local $_;
3071	local @safe::cf::_safe_eval_args = values %vars;
3072		3455
3073	my $eval =	3456	my $eval =
3074	"do {\n"	3457	"do {\n"
3075	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3458	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3076	. "#line 0 \"{$qcode}\"\n"	3459	. "#line 0 \"{$qcode}\"\n"
3077	. $code	3460	. $code
3078	. "\n}"	3461	. "\n}"
3079	;	3462	;
3080		3463
		3464	if ($CFG{safe_eval}) {
3081	sub_generation_inc;	3465	sub_generation_inc;
		3466	local @safe::cf::_safe_eval_args = values %vars;
3082	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3467	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3083	sub_generation_inc;	3468	sub_generation_inc;
		3469	} else {
		3470	local @cf::_safe_eval_args = values %vars;
		3471	@res = wantarray ? eval eval : scalar eval $eval;
		3472	}
3084		3473
3085	if ($@) {	3474	if ($@) {
3086	warn "$@";	3475	warn "$@",
3087	warn "while executing safe code '$code'\n";	3476	"while executing safe code '$code'\n",
3088	warn "with arguments " . (join " ", %vars) . "\n";	3477	"with arguments " . (join " ", %vars) . "\n";
3089	}	3478	}
3090		3479
3091	wantarray ? @res : $res[0]	3480	wantarray ? @res : $res[0]
3092	}	3481	}
3093		3482
…		…
3107	=cut	3496	=cut
3108		3497
3109	sub register_script_function {	3498	sub register_script_function {
3110	my ($fun, $cb) = @_;	3499	my ($fun, $cb) = @_;
3111		3500
3112	no strict 'refs';	3501	$fun = "safe::$fun" if $CFG{safe_eval};
3113	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3502	*$fun = $safe_hole->wrap ($cb);
3114	}	3503	}
3115		3504
3116	=back	3505	=back
3117		3506
3118	=cut	3507	=cut
3119		3508
3120	#############################################################################	3509	#############################################################################
3121	# the server's init and main functions	3510	# the server's init and main functions
		3511
		3512	our %FACEHASH; # hash => idx, #d# HACK for http server
3122		3513
3123	sub load_facedata($) {	3514	sub load_facedata($) {
3124	my ($path) = @_;	3515	my ($path) = @_;
3125		3516
3126	# HACK to clear player env face cache, we need some signal framework	3517	# HACK to clear player env face cache, we need some signal framework
3127	# for this (global event?)	3518	# for this (global event?)
3128	%ext::player_env::MUSIC_FACE_CACHE = ();	3519	%ext::player_env::MUSIC_FACE_CACHE = ();
3129		3520
3130	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3521	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3131		3522
3132	warn "loading facedata from $path\n";	3523	trace "loading facedata from $path\n";
3133		3524
3134	my $facedata;	3525	my $facedata = decode_storable load_file $path;
3135	0 < aio_load $path, $facedata
3136	or die "$path: $!";
3137
3138	$facedata = Coro::Storable::thaw $facedata;
3139		3526
3140	$facedata->{version} == 2	3527	$facedata->{version} == 2
3141	or cf::cleanup "$path: version mismatch, cannot proceed.";	3528	or cf::cleanup "$path: version mismatch, cannot proceed.";
3142		3529
3143	# patch in the exptable	3530	# patch in the exptable
		3531	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
3144	$facedata->{resource}{"res/exp_table"} = {	3532	$facedata->{resource}{"res/exp_table"} = {
3145	type => FT_RSRC,	3533	type => FT_RSRC,
3146	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3534	data => $exp_table,
		3535	hash => (cf::face::mangle_chksum Digest::MD5::md5 $exp_table),
3147	};	3536	};
3148	cf::cede_to_tick;	3537	cf::cede_to_tick;
3149		3538
3150	{	3539	{
3151	my $faces = $facedata->{faceinfo};	3540	my $faces = $facedata->{faceinfo};
3152		3541
3153	while (my ($face, $info) = each %$faces) {	3542	for my $face (sort keys %$faces) {
		3543	my $info = $faces->{$face};
3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3544	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3155		3545
3156	cf::face::set_visibility $idx, $info->{visibility};	3546	cf::face::set_visibility $idx, $info->{visibility};
3157	cf::face::set_magicmap $idx, $info->{magicmap};	3547	cf::face::set_magicmap $idx, $info->{magicmap};
3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3548	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3549	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3550	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3551	$FACEHASH{$info->{hash64}} = $idx;#d#
3160		3552
3161	cf::cede_to_tick;	3553	cf::cede_to_tick;
3162	}	3554	}
3163		3555
3164	while (my ($face, $info) = each %$faces) {	3556	while (my ($face, $info) = each %$faces) {
…		…
3169		3561
3170	if (my $smooth = cf::face::find $info->{smooth}) {	3562	if (my $smooth = cf::face::find $info->{smooth}) {
3171	cf::face::set_smooth $idx, $smooth;	3563	cf::face::set_smooth $idx, $smooth;
3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3564	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3173	} else {	3565	} else {
3174	warn "smooth face '$info->{smooth}' not found for face '$face'";	3566	error "smooth face '$info->{smooth}' not found for face '$face'";
3175	}	3567	}
3176		3568
3177	cf::cede_to_tick;	3569	cf::cede_to_tick;
3178	}	3570	}
3179	}	3571	}
…		…
3188		3580
3189	cf::anim::invalidate_all; # d'oh	3581	cf::anim::invalidate_all; # d'oh
3190	}	3582	}
3191		3583
3192	{	3584	{
3193	# TODO: for gcfclient pleasure, we should give resources
3194	# that gcfclient doesn't grok a >10000 face index.
3195	my $res = $facedata->{resource};	3585	my $res = $facedata->{resource};
3196		3586
3197	while (my ($name, $info) = each %$res) {	3587	while (my ($name, $info) = each %$res) {
3198	if (defined $info->{type}) {	3588	if (defined (my $type = $info->{type})) {
		3589	# TODO: different hash - must free and use new index, or cache ixface data queue
3199	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3590	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3200	my $data;
3201		3591
3202	if ($info->{type} & 1) {	3592	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
3203	# prepend meta info
3204
3205	my $meta = $enc->encode ({
3206	name => $name,
3207	%{ $info->{meta} || {} },
3208	});
3209
3210	$data = pack "(w/a*)*", $meta, $info->{data};
3211	} else {
3212	$data = $info->{data};
3213	}
3214
3215	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3216	cf::face::set_type $idx, $info->{type};	3593	cf::face::set_type $idx, $type;
		3594	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3595	$FACEHASH{$info->{hash}} = $idx;#d#
3217	} else {	3596	} else {
3218	$RESOURCE{$name} = $info;	3597	# $RESOURCE{$name} = $info; # unused
3219	}	3598	}
3220		3599
3221	cf::cede_to_tick;	3600	cf::cede_to_tick;
3222	}	3601	}
3223
3224	if (my $soundconf = delete $res->{"res/sound.conf"}) {
3225	$soundconf = $enc->decode (delete $soundconf->{data});
3226
3227	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3228	my $sound = $soundconf->{compat}[$_]
3229	or next;
3230
3231	my $face = cf::face::find "sound/$sound->[1]";
3232	cf::sound::set $sound->[0] => $face;
3233	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3234	}
3235
3236	while (my ($k, $v) = each %{$soundconf->{event}}) {
3237	my $face = cf::face::find "sound/$v";
3238	cf::sound::set $k => $face;
3239	}
3240	}
3241	}	3602	}
		3603
		3604	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3242		3605
3243	1	3606	1
3244	}	3607	}
3245		3608
3246	register_exticmd fx_want => sub {	3609	register_exticmd fx_want => sub {
…		…
3248		3611
3249	while (my ($k, $v) = each %$want) {	3612	while (my ($k, $v) = each %$want) {
3250	$ns->fx_want ($k, $v);	3613	$ns->fx_want ($k, $v);
3251	}	3614	}
3252	};	3615	};
		3616
		3617	sub load_resource_file($) {
		3618	my $guard = lock_acquire "load_resource_file";
		3619
		3620	my $status = load_resource_file_ $_[0];
		3621	get_slot 0.1, 100;
		3622	cf::arch::commit_load;
		3623
		3624	$status
		3625	}
3253		3626
3254	sub reload_regions {	3627	sub reload_regions {
3255	# HACK to clear player env face cache, we need some signal framework	3628	# HACK to clear player env face cache, we need some signal framework
3256	# for this (global event?)	3629	# for this (global event?)
3257	%ext::player_env::MUSIC_FACE_CACHE = ();	3630	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3271	}	3644	}
3272		3645
3273	sub reload_archetypes {	3646	sub reload_archetypes {
3274	load_resource_file "$DATADIR/archetypes"	3647	load_resource_file "$DATADIR/archetypes"
3275	or die "unable to load archetypes\n";	3648	or die "unable to load archetypes\n";
3276	#d# NEED to laod twice to resolve forward references
3277	# this really needs to be done in an extra post-pass
3278	# (which needs to be synchronous, so solve it differently)
3279	load_resource_file "$DATADIR/archetypes"
3280	or die "unable to load archetypes\n";
3281	}	3649	}
3282		3650
3283	sub reload_treasures {	3651	sub reload_treasures {
3284	load_resource_file "$DATADIR/treasures"	3652	load_resource_file "$DATADIR/treasures"
3285	or die "unable to load treasurelists\n";	3653	or die "unable to load treasurelists\n";
3286	}	3654	}
3287		3655
		3656	sub reload_sound {
		3657	trace "loading sound config from $DATADIR/sound\n";
		3658
		3659	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3660
		3661	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3662	my $sound = $soundconf->{compat}[$_]
		3663	or next;
		3664
		3665	my $face = cf::face::find "sound/$sound->[1]";
		3666	cf::sound::set $sound->[0] => $face;
		3667	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3668	}
		3669
		3670	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3671	my $face = cf::face::find "sound/$v";
		3672	cf::sound::set $k => $face;
		3673	}
		3674	}
		3675
3288	sub reload_resources {	3676	sub reload_resources {
3289	warn "reloading resource files...\n";	3677	trace "reloading resource files...\n";
3290		3678
		3679	reload_exp_table;
		3680	reload_materials;
		3681	reload_facedata;
		3682	reload_sound;
		3683	reload_archetypes;
3291	reload_regions;	3684	reload_regions;
3292	reload_facedata;
3293	#reload_archetypes;#d#
3294	reload_archetypes;
3295	reload_treasures;	3685	reload_treasures;
3296		3686
3297	warn "finished reloading resource files\n";	3687	trace "finished reloading resource files\n";
3298	}
3299
3300	sub init {
3301	reload_resources;
3302	}	3688	}
3303		3689
3304	sub reload_config {	3690	sub reload_config {
3305	open my $fh, "<:utf8", "$CONFDIR/config"	3691	trace "reloading config file...\n";
3306	or return;
3307		3692
3308	local $/;	3693	my $config = load_file "$CONFDIR/config";
3309	*CFG = YAML::Syck::Load <$fh>;	3694	utf8::decode $config;
		3695	*CFG = decode_yaml $config;
3310		3696
3311	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3697	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3312		3698
3313	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3699	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3314	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3700	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3315		3701
3316	if (exists $CFG{mlockall}) {	3702	if (exists $CFG{mlockall}) {
…		…
3320	};	3706	};
3321	warn $@ if $@;	3707	warn $@ if $@;
3322	}	3708	}
3323	}	3709	}
3324		3710
		3711	sub pidfile() {
		3712	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3713	or die "$PIDFILE: $!";
		3714	flock $fh, &Fcntl::LOCK_EX
		3715	or die "$PIDFILE: flock: $!";
		3716	$fh
		3717	}
		3718
		3719	# make sure only one server instance is running at any one time
		3720	sub atomic {
		3721	my $fh = pidfile;
		3722
		3723	my $pid = <$fh>;
		3724	kill 9, $pid if $pid > 0;
		3725
		3726	seek $fh, 0, 0;
		3727	print $fh $$;
		3728	}
		3729
		3730	sub main_loop {
		3731	trace "EV::loop starting\n";
		3732	if (1) {
		3733	EV::loop;
		3734	}
		3735	trace "EV::loop returned\n";
		3736	goto &main_loop unless $REALLY_UNLOOP;
		3737	}
		3738
3325	sub main {	3739	sub main {
		3740	cf::init_globals; # initialise logging
		3741
		3742	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3743	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3744	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3745	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3746
		3747	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3748
3326	# we must not ever block the main coroutine	3749	# we must not ever block the main coroutine
3327	local $Coro::idle = sub {	3750	$Coro::idle = sub {
3328	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3751	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3329	(async {	3752	(async {
3330	$Coro::current->{desc} = "IDLE BUG HANDLER";	3753	$Coro::current->{desc} = "IDLE BUG HANDLER";
3331	EV::loop EV::LOOP_ONESHOT;	3754	EV::loop EV::LOOP_ONESHOT;
3332	})->prio (Coro::PRIO_MAX);	3755	})->prio (Coro::PRIO_MAX);
3333	};	3756	};
3334		3757
		3758	evthread_start IO::AIO::poll_fileno;
		3759
		3760	cf::sync_job {
		3761	cf::incloader::init ();
		3762
		3763	cf::init_anim;
		3764	cf::init_attackmess;
		3765	cf::init_dynamic;
		3766
		3767	cf::load_settings;
		3768
		3769	reload_resources;
3335	reload_config;	3770	reload_config;
3336	db_init;	3771	db_init;
		3772
		3773	cf::init_uuid;
		3774	cf::init_signals;
		3775	cf::init_skills;
		3776
		3777	cf::init_beforeplay;
		3778
		3779	atomic;
		3780
3337	load_extensions;	3781	load_extensions;
3338		3782
3339	$TICK_WATCHER->start;	3783	utime time, time, $RUNTIMEFILE;
3340	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3784
3341	EV::loop;	3785	# no (long-running) fork's whatsoever before this point(!)
		3786	use POSIX ();
		3787	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3788
		3789	cf::_post_init 0;
		3790	};
		3791
		3792	cf::object::thawer::errors_are_fatal 0;
		3793	info "parse errors in files are no longer fatal from this point on.\n";
		3794
		3795	AE::postpone {
		3796	undef &main; # free gobs of memory :)
		3797	};
		3798
		3799	goto &main_loop;
3342	}	3800	}
3343		3801
3344	#############################################################################	3802	#############################################################################
3345	# initialisation and cleanup	3803	# initialisation and cleanup
3346		3804
3347	# install some emergency cleanup handlers	3805	# install some emergency cleanup handlers
3348	BEGIN {	3806	BEGIN {
3349	our %SIGWATCHER = ();	3807	our %SIGWATCHER = ();
3350	for my $signal (qw(INT HUP TERM)) {	3808	for my $signal (qw(INT HUP TERM)) {
3351	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3809	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3352	cf::cleanup "SIG$signal";	3810	cf::cleanup "SIG$signal";
3353	};	3811	};
3354	}	3812	}
3355	}	3813	}
3356		3814
3357	sub write_runtime {	3815	sub write_runtime_sync {
3358	my $runtime = "$LOCALDIR/runtime";	3816	my $t0 = AE::time;
3359		3817
3360	# first touch the runtime file to show we are still running:	3818	# first touch the runtime file to show we are still running:
3361	# the fsync below can take a very very long time.	3819	# the fsync below can take a very very long time.
3362		3820
3363	IO::AIO::aio_utime $runtime, undef, undef;	3821	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3364		3822
3365	my $guard = cf::lock_acquire "write_runtime";	3823	my $guard = cf::lock_acquire "write_runtime";
3366		3824
3367	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3825	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3368	or return;	3826	or return;
3369		3827
3370	my $value = $cf::RUNTIME + 90 + 10;	3828	my $value = $cf::RUNTIME + 90 + 10;
3371	# 10 is the runtime save interval, for a monotonic clock	3829	# 10 is the runtime save interval, for a monotonic clock
3372	# 60 allows for the watchdog to kill the server.	3830	# 60 allows for the watchdog to kill the server.
…		…
3382	aio_utime $fh, undef, undef;	3840	aio_utime $fh, undef, undef;
3383		3841
3384	close $fh	3842	close $fh
3385	or return;	3843	or return;
3386		3844
3387	aio_rename "$runtime~", $runtime	3845	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3388	and return;	3846	and return;
3389		3847
3390	warn "runtime file written.\n";	3848	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3391		3849
3392	1	3850	1
		3851	}
		3852
		3853	our $uuid_lock;
		3854	our $uuid_skip;
		3855
		3856	sub write_uuid_sync($) {
		3857	$uuid_skip ||= $_[0];
		3858
		3859	return if $uuid_lock;
		3860	local $uuid_lock = 1;
		3861
		3862	my $uuid = "$LOCALDIR/uuid";
		3863
		3864	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3865	or return;
		3866
		3867	my $value = uuid_seq uuid_cur;
		3868
		3869	unless ($value) {
		3870	info "cowardly refusing to write zero uuid value!\n";
		3871	return;
		3872	}
		3873
		3874	my $value = uuid_str $value + $uuid_skip;
		3875	$uuid_skip = 0;
		3876
		3877	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3878	and return;
		3879
		3880	# always fsync - this file is important
		3881	aio_fsync $fh
		3882	and return;
		3883
		3884	close $fh
		3885	or return;
		3886
		3887	aio_rename "$uuid~", $uuid
		3888	and return;
		3889
		3890	trace "uuid file written ($value).\n";
		3891
		3892	1
		3893
		3894	}
		3895
		3896	sub write_uuid($$) {
		3897	my ($skip, $sync) = @_;
		3898
		3899	$sync ? write_uuid_sync $skip
		3900	: async { write_uuid_sync $skip };
3393	}	3901	}
3394		3902
3395	sub emergency_save() {	3903	sub emergency_save() {
3396	my $freeze_guard = cf::freeze_mainloop;	3904	my $freeze_guard = cf::freeze_mainloop;
3397		3905
3398	warn "enter emergency perl save\n";	3906	info "emergency_perl_save: enter\n";
		3907
		3908	# this is a trade-off: we want to be very quick here, so
		3909	# save all maps without fsync, and later call a global sync
		3910	# (which in turn might be very very slow)
		3911	local $USE_FSYNC = 0;
3399		3912
3400	cf::sync_job {	3913	cf::sync_job {
		3914	cf::write_runtime_sync; # external watchdog should not bark
		3915
3401	# use a peculiar iteration method to avoid tripping on perl	3916	# use a peculiar iteration method to avoid tripping on perl
3402	# refcount bugs in for. also avoids problems with players	3917	# refcount bugs in for. also avoids problems with players
3403	# and maps saved/destroyed asynchronously.	3918	# and maps saved/destroyed asynchronously.
3404	warn "begin emergency player save\n";	3919	info "emergency_perl_save: begin player save\n";
3405	for my $login (keys %cf::PLAYER) {	3920	for my $login (keys %cf::PLAYER) {
3406	my $pl = $cf::PLAYER{$login} or next;	3921	my $pl = $cf::PLAYER{$login} or next;
3407	$pl->valid or next;	3922	$pl->valid or next;
3408	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3923	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3409	$pl->save;	3924	$pl->save;
3410	}	3925	}
3411	warn "end emergency player save\n";	3926	info "emergency_perl_save: end player save\n";
3412		3927
3413	warn "begin emergency map save\n";	3928	cf::write_runtime_sync; # external watchdog should not bark
		3929
		3930	info "emergency_perl_save: begin map save\n";
3414	for my $path (keys %cf::MAP) {	3931	for my $path (keys %cf::MAP) {
3415	my $map = $cf::MAP{$path} or next;	3932	my $map = $cf::MAP{$path} or next;
3416	$map->valid or next;	3933	$map->valid or next;
3417	$map->save;	3934	$map->save;
3418	}	3935	}
3419	warn "end emergency map save\n";	3936	info "emergency_perl_save: end map save\n";
3420		3937
3421	warn "begin emergency database checkpoint\n";	3938	cf::write_runtime_sync; # external watchdog should not bark
		3939
		3940	info "emergency_perl_save: begin database checkpoint\n";
3422	BDB::db_env_txn_checkpoint $DB_ENV;	3941	BDB::db_env_txn_checkpoint $DB_ENV;
3423	warn "end emergency database checkpoint\n";	3942	info "emergency_perl_save: end database checkpoint\n";
		3943
		3944	info "emergency_perl_save: begin write uuid\n";
		3945	write_uuid_sync 1;
		3946	info "emergency_perl_save: end write uuid\n";
		3947
		3948	cf::write_runtime_sync; # external watchdog should not bark
		3949
		3950	trace "emergency_perl_save: syncing database to disk";
		3951	BDB::db_env_txn_checkpoint $DB_ENV;
		3952
		3953	info "emergency_perl_save: starting sync\n";
		3954	IO::AIO::aio_sync sub {
		3955	info "emergency_perl_save: finished sync\n";
		3956	};
		3957
		3958	cf::write_runtime_sync; # external watchdog should not bark
		3959
		3960	trace "emergency_perl_save: flushing outstanding aio requests";
		3961	while (IO::AIO::nreqs || BDB::nreqs) {
		3962	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		3963	}
		3964
		3965	cf::write_runtime_sync; # external watchdog should not bark
3424	};	3966	};
3425		3967
3426	warn "leave emergency perl save\n";	3968	info "emergency_perl_save: leave\n";
3427	}	3969	}
3428		3970
3429	sub post_cleanup {	3971	sub post_cleanup {
3430	my ($make_core) = @_;	3972	my ($make_core) = @_;
3431		3973
		3974	IO::AIO::flush;
		3975
3432	warn Carp::longmess "post_cleanup backtrace"	3976	error Carp::longmess "post_cleanup backtrace"
3433	if $make_core;	3977	if $make_core;
		3978
		3979	my $fh = pidfile;
		3980	unlink $PIDFILE if <$fh> == $$;
		3981	}
		3982
		3983	# a safer delete_package, copied from Symbol
		3984	sub clear_package($) {
		3985	my $pkg = shift;
		3986
		3987	# expand to full symbol table name if needed
		3988	unless ($pkg =~ /^main::.*::$/) {
		3989	$pkg = "main$pkg" if $pkg =~ /^::/;
		3990	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3991	$pkg .= '::' unless $pkg =~ /::$/;
		3992	}
		3993
		3994	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3995	my $stem_symtab = *{$stem}{HASH};
		3996
		3997	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3998	or return;
		3999
		4000	# clear all symbols
		4001	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4002	for my $name (keys %$leaf_symtab) {
		4003	_gv_clear *{"$pkg$name"};
		4004	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4005	}
3434	}	4006	}
3435		4007
3436	sub do_reload_perl() {	4008	sub do_reload_perl() {
3437	# can/must only be called in main	4009	# can/must only be called in main
3438	if ($Coro::current != $Coro::main) {	4010	unless (in_main) {
3439	warn "can only reload from main coroutine";	4011	error "can only reload from main coroutine";
3440	return;	4012	return;
3441	}	4013	}
3442		4014
3443	warn "reloading...";	4015	return if $RELOAD++;
3444		4016
3445	warn "entering sync_job";	4017	my $t1 = AE::time;
3446		4018
		4019	while ($RELOAD) {
		4020	cf::get_slot 0.1, -1, "reload_perl";
		4021	info "perl_reload: reloading...";
		4022
		4023	trace "perl_reload: entering sync_job";
		4024
3447	cf::sync_job {	4025	cf::sync_job {
3448	cf::write_runtime; # external watchdog should not bark
3449	cf::emergency_save;	4026	#cf::emergency_save;
3450	cf::write_runtime; # external watchdog should not bark
3451		4027
3452	warn "syncing database to disk";
3453	BDB::db_env_txn_checkpoint $DB_ENV;
3454
3455	# if anything goes wrong in here, we should simply crash as we already saved
3456
3457	warn "flushing outstanding aio requests";
3458	for (;;) {
3459	BDB::flush;
3460	IO::AIO::flush;
3461	Coro::cede_notself;
3462	last unless IO::AIO::nreqs || BDB::nreqs;
3463	warn "iterate...";
3464	}
3465
3466	++$RELOAD;
3467
3468	warn "cancelling all extension coros";	4028	trace "perl_reload: cancelling all extension coros";
3469	$_->cancel for values %EXT_CORO;	4029	$_->cancel for values %EXT_CORO;
3470	%EXT_CORO = ();	4030	%EXT_CORO = ();
3471		4031
3472	warn "removing commands";	4032	trace "perl_reload: removing commands";
3473	%COMMAND = ();	4033	%COMMAND = ();
3474		4034
3475	warn "removing ext/exti commands";	4035	trace "perl_reload: removing ext/exti commands";
3476	%EXTCMD = ();	4036	%EXTCMD = ();
3477	%EXTICMD = ();	4037	%EXTICMD = ();
3478		4038
3479	warn "unloading/nuking all extensions";	4039	trace "perl_reload: unloading/nuking all extensions";
3480	for my $pkg (@EXTS) {	4040	for my $pkg (@EXTS) {
3481	warn "... unloading $pkg";	4041	trace "... unloading $pkg";
3482		4042
3483	if (my $cb = $pkg->can ("unload")) {	4043	if (my $cb = $pkg->can ("unload")) {
3484	eval {	4044	eval {
3485	$cb->($pkg);	4045	$cb->($pkg);
3486	1	4046	1
3487	} or warn "$pkg unloaded, but with errors: $@";	4047	} or error "$pkg unloaded, but with errors: $@";
		4048	}
		4049
		4050	trace "... clearing $pkg";
		4051	clear_package $pkg;
3488	}	4052	}
3489		4053
3490	warn "... nuking $pkg";
3491	Symbol::delete_package $pkg;
3492	}
3493
3494	warn "unloading all perl modules loaded from $LIBDIR";	4054	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3495	while (my ($k, $v) = each %INC) {	4055	while (my ($k, $v) = each %INC) {
3496	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4056	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3497		4057
3498	warn "... unloading $k";	4058	trace "... unloading $k";
3499	delete $INC{$k};	4059	delete $INC{$k};
3500		4060
3501	$k =~ s/\.pm$//;	4061	$k =~ s/\.pm$//;
3502	$k =~ s/\//::/g;	4062	$k =~ s/\//::/g;
3503		4063
3504	if (my $cb = $k->can ("unload_module")) {	4064	if (my $cb = $k->can ("unload_module")) {
3505	$cb->();	4065	$cb->();
		4066	}
		4067
		4068	clear_package $k;
3506	}	4069	}
3507		4070
3508	Symbol::delete_package $k;
3509	}
3510
3511	warn "getting rid of safe::, as good as possible";	4071	trace "perl_reload: getting rid of safe::, as good as possible";
3512	Symbol::delete_package "safe::$_"	4072	clear_package "safe::$_"
3513	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4073	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3514		4074
3515	warn "unloading cf.pm \"a bit\"";	4075	trace "perl_reload: unloading cf.pm \"a bit\"";
3516	delete $INC{"cf.pm"};	4076	delete $INC{"cf.pm"};
3517	delete $INC{"cf/pod.pm"};	4077	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3518		4078
3519	# don't, removes xs symbols, too,	4079	# don't, removes xs symbols, too,
3520	# and global variables created in xs	4080	# and global variables created in xs
3521	#Symbol::delete_package __PACKAGE__;	4081	#clear_package __PACKAGE__;
3522		4082
3523	warn "unload completed, starting to reload now";	4083	info "perl_reload: unload completed, starting to reload now";
3524		4084
3525	warn "reloading cf.pm";	4085	trace "perl_reload: reloading cf.pm";
3526	require cf;	4086	require cf;
3527	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4087	cf::_connect_to_perl_1;
3528		4088
3529	warn "loading config and database again";	4089	trace "perl_reload: loading config and database again";
3530	cf::reload_config;	4090	cf::reload_config;
3531		4091
3532	warn "loading extensions";	4092	trace "perl_reload: loading extensions";
3533	cf::load_extensions;	4093	cf::load_extensions;
3534		4094
		4095	if ($REATTACH_ON_RELOAD) {
3535	warn "reattaching attachments to objects/players";	4096	trace "perl_reload: reattaching attachments to objects/players";
3536	_global_reattach; # objects, sockets	4097	_global_reattach; # objects, sockets
3537	warn "reattaching attachments to maps";	4098	trace "perl_reload: reattaching attachments to maps";
3538	reattach $_ for values %MAP;	4099	reattach $_ for values %MAP;
3539	warn "reattaching attachments to players";	4100	trace "perl_reload: reattaching attachments to players";
3540	reattach $_ for values %PLAYER;	4101	reattach $_ for values %PLAYER;
		4102	}
3541		4103
3542	warn "leaving sync_job";	4104	cf::_post_init 1;
3543		4105
		4106	trace "perl_reload: leaving sync_job";
		4107
3544	1	4108	1
3545	} or do {	4109	} or do {
3546	warn $@;	4110	error $@;
3547	warn "error while reloading, exiting.";	4111	cf::cleanup "perl_reload: error, exiting.";
3548	exit 1;	4112	};
		4113
		4114	--$RELOAD;
3549	};	4115	}
3550		4116
3551	warn "reloaded";	4117	$t1 = AE::time - $t1;
		4118	info "perl_reload: completed in ${t1}s\n";
3552	};	4119	};
3553		4120
3554	our $RELOAD_WATCHER; # used only during reload	4121	our $RELOAD_WATCHER; # used only during reload
3555		4122
3556	sub reload_perl() {	4123	sub reload_perl() {
3557	# doing reload synchronously and two reloads happen back-to-back,	4124	# doing reload synchronously and two reloads happen back-to-back,
3558	# coro crashes during coro_state_free->destroy here.	4125	# coro crashes during coro_state_free->destroy here.
3559		4126
		4127	$RELOAD_WATCHER ||= cf::async {
		4128	Coro::AIO::aio_wait cache_extensions;
		4129
3560	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4130	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4131	do_reload_perl;
3561	undef $RELOAD_WATCHER;	4132	undef $RELOAD_WATCHER;
3562	do_reload_perl;	4133	};
3563	};	4134	};
3564	}	4135	}
3565		4136
3566	register_command "reload" => sub {	4137	register_command "reload" => sub {
3567	my ($who, $arg) = @_;	4138	my ($who, $arg) = @_;
…		…
3573	reload_perl;	4144	reload_perl;
3574	};	4145	};
3575	}	4146	}
3576	};	4147	};
3577		4148
3578	unshift @INC, $LIBDIR;	4149	#############################################################################
3579		4150
3580	my $bug_warning = 0;	4151	my $bug_warning = 0;
3581		4152
3582	our @WAIT_FOR_TICK;
3583	our @WAIT_FOR_TICK_BEGIN;
3584
3585	sub wait_for_tick {	4153	sub wait_for_tick() {
3586	return unless $TICK_WATCHER->is_active;	4154	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3587	return if $Coro::current == $Coro::main;
3588		4155
3589	my $signal = new Coro::Signal;	4156	$WAIT_FOR_TICK->wait;
3590	push @WAIT_FOR_TICK, $signal;
3591	$signal->wait;
3592	}	4157	}
3593		4158
3594	sub wait_for_tick_begin {	4159	sub wait_for_tick_begin() {
3595	return unless $TICK_WATCHER->is_active;	4160	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3596	return if $Coro::current == $Coro::main;
3597		4161
3598	my $signal = new Coro::Signal;	4162	my $signal = new Coro::Signal;
3599	push @WAIT_FOR_TICK_BEGIN, $signal;	4163	push @WAIT_FOR_TICK_BEGIN, $signal;
3600	$signal->wait;	4164	$signal->wait;
3601	}	4165	}
3602		4166
3603	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {	4167	sub tick {
3604	if ($Coro::current != $Coro::main) {	4168	if ($Coro::current != $Coro::main) {
3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4169	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3606	unless ++$bug_warning > 10;	4170	unless ++$bug_warning > 10;
3607	return;	4171	return;
3608	}	4172	}
3609		4173
3610	$NOW = $tick_start = EV::now;	4174	cf::one_tick; # one server iteration
3611		4175
3612	cf::server_tick; # one server iteration	4176	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3613
3614	$RUNTIME += $TICK;
3615	$NEXT_TICK = $_[0]->at;
3616		4177
3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4178	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3618	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4179	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3619	Coro::async_pool {	4180	Coro::async_pool {
3620	$Coro::current->{desc} = "runtime saver";	4181	$Coro::current->{desc} = "runtime saver";
3621	write_runtime	4182	write_runtime_sync
3622	or warn "ERROR: unable to write runtime file: $!";	4183	or error "ERROR: unable to write runtime file: $!";
3623	};	4184	};
3624	}	4185	}
3625		4186
3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4187	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3627	$sig->send;	4188	$sig->send;
3628	}	4189	}
3629	while (my $sig = shift @WAIT_FOR_TICK) {	4190	$WAIT_FOR_TICK->broadcast;
3630	$sig->send;
3631	}
3632		4191
3633	$LOAD = ($NOW - $tick_start) / $TICK;	4192	$LOAD = ($NOW - $TICK_START) / $TICK;
3634	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4193	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3635		4194
3636	_post_tick;	4195	if (0) {
3637	};	4196	if ($NEXT_TICK) {
3638	$TICK_WATCHER->priority (EV::MAXPRI);	4197	my $jitter = $TICK_START - $NEXT_TICK;
		4198	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4199	debug "jitter $JITTER\n";#d#
		4200	}
		4201	}
		4202	}
3639		4203
3640	{	4204	{
3641	# configure BDB	4205	# configure BDB
3642		4206
3643	BDB::min_parallel 8;	4207	BDB::min_parallel 16;
3644	BDB::max_poll_reqs $TICK * 0.1;	4208	BDB::max_poll_reqs $TICK * 0.1;
3645	$Coro::BDB::WATCHER->priority (1);	4209	#$AnyEvent::BDB::WATCHER->priority (1);
3646		4210
3647	unless ($DB_ENV) {	4211	unless ($DB_ENV) {
3648	$DB_ENV = BDB::db_env_create;	4212	$DB_ENV = BDB::db_env_create;
3649	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4213	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3650	| BDB::LOG_AUTOREMOVE, 1);	4214	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4215	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3651	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4216	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3652	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4217	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3653		4218
3654	cf::sync_job {	4219	cf::sync_job {
3655	eval {	4220	eval {
…		…
3681	{	4246	{
3682	# configure IO::AIO	4247	# configure IO::AIO
3683		4248
3684	IO::AIO::min_parallel 8;	4249	IO::AIO::min_parallel 8;
3685	IO::AIO::max_poll_time $TICK * 0.1;	4250	IO::AIO::max_poll_time $TICK * 0.1;
3686	$Coro::AIO::WATCHER->priority (1);	4251	undef $AnyEvent::AIO::WATCHER;
3687	}	4252	}
3688		4253
3689	my $_log_backtrace;	4254	our $_log_backtrace;
		4255	our $_log_backtrace_last;
3690		4256
3691	sub _log_backtrace {	4257	sub _log_backtrace {
3692	my ($msg, @addr) = @_;	4258	my ($msg, @addr) = @_;
3693		4259
3694	$msg =~ s/\n//;	4260	$msg =~ s/\n$//;
3695		4261
		4262	if ($_log_backtrace_last eq $msg) {
		4263	LOG llevInfo, "[ABT] $msg\n";
		4264	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3696	# limit the # of concurrent backtraces	4265	# limit the # of concurrent backtraces
3697	if ($_log_backtrace < 2) {	4266	} elsif ($_log_backtrace < 2) {
		4267	$_log_backtrace_last = $msg;
3698	++$_log_backtrace;	4268	++$_log_backtrace;
		4269	my $perl_bt = Carp::longmess $msg;
3699	async {	4270	async {
3700	$Coro::current->{desc} = "abt $msg";	4271	$Coro::current->{desc} = "abt $msg";
3701		4272
3702	my @bt = fork_call {	4273	my @bt = fork_call {
3703	@addr = map { sprintf "%x", $_ } @addr;	4274	@addr = map { sprintf "%x", $_ } @addr;
…		…
3714	}	4285	}
3715		4286
3716	@funcs	4287	@funcs
3717	};	4288	};
3718		4289
3719	LOG llevInfo, "[ABT] $msg\n";	4290	LOG llevInfo, "[ABT] $perl_bt\n";
		4291	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3720	LOG llevInfo, "[ABT] $_\n" for @bt;	4292	LOG llevInfo, "[ABT] $_\n" for @bt;
3721	--$_log_backtrace;	4293	--$_log_backtrace;
3722	};	4294	};
3723	} else {	4295	} else {
3724	LOG llevInfo, "[ABT] $msg\n";	4296	LOG llevInfo, "[ABT] $msg\n";
3725	LOG llevInfo, "[ABT] [suppressed]\n";	4297	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3726	}	4298	}
3727	}	4299	}
3728		4300
3729	# load additional modules	4301	# load additional modules
3730	use cf::pod;	4302	require "cf/$_.pm" for @EXTRA_MODULES;
		4303	cf::_connect_to_perl_2;
3731		4304
3732	END { cf::emergency_save }	4305	END { cf::emergency_save }
3733		4306
3734	1	4307	1
3735		4308

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines