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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.295 by root, Wed Jul 4 05:08:15 2007 UTC vs.
Revision 1.596 by root, Fri Nov 9 20:37:57 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;	63	use Time::HiRes;
33	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
34		68
35	# configure various modules to our taste	69	# configure various modules to our taste
36	#	70	#
37	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
38	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";
39	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
40		79
41	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
42		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		82
48	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;
49		86
50	our %COMMAND = ();	87	our %COMMAND = ();
51	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
52		89
53	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
55	our %EXTICMD = ();	93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
58		97
59	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
61		102
62	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
63	our $DATADIR = datadir;	105	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
67	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
		116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
73		126
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	129	our $NEXT_TICK;
		130	our $USE_FSYNC = 1; # use fsync to write maps - default on
		131
		132	our $BDB_DEADLOCK_WATCHER;
		133	our $BDB_CHECKPOINT_WATCHER;
		134	our $BDB_TRICKLE_WATCHER;
		135	our $DB_ENV;
		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
		139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		141
		142	our $UPTIME; $UPTIME ||= time;
		143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
79	our $NOW;	145	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		146
82	our $BDB_POLL_WATCHER;	147	our (%PLAYER, %PLAYER_LOADING); # all users
83	our $DB_ENV;	148	our (%MAP, %MAP_LOADING ); # all maps
84
85	our %CFG;
86
87	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;
89
90	our %PLAYER; # all users
91	our %MAP; # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
93		150
94	# used to convert map paths into valid unix filenames by replacing / by ∕	151	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		153
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
100		166
101	binmode STDOUT;	167	binmode STDOUT;
102	binmode STDERR;	168	binmode STDERR;
103		169
104	# read virtual server time, if available	170	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
109	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
110		178
111	mkdir $_	179	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		181
114	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
115		183
116	sub cf::map::normalise;	184	sub cf::map::normalise;
117		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
118	#############################################################################	190	#############################################################################
119		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
120	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
121		204
122	=over 4	205	=over 4
123		206
124	=item $cf::UPTIME	207	=item $cf::UPTIME
125		208
126	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
127		225
128	=item $cf::RUNTIME	226	=item $cf::RUNTIME
129		227
130	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
131	every server tick.	229	every server tick.
132		230
133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
136		234
137	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
139	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
140	database environment.	238	database environment.
141		239
142	=item $cf::NOW
143
144	The time of the last (current) server tick.
145
146	=item $cf::TICK
147
148	The interval between server ticks, in seconds.
149
150	=item $cf::LOADAVG	240	=item $cf::LOADAVG
151		241
152	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
153	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
154	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
157		247
158	The raw value load value from the last tick.	248	The raw value load value from the last tick.
159		249
160	=item %cf::CFG	250	=item %cf::CFG
161		251
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	253	from wherever your confdir points to.
164		254
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		256
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	258	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		260
		261	Note that cf::Wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
171	=back	290	=back
172		291
173	=cut	292	=cut
174		293
175	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	301	my $msg = join "", @_;
178		302
179	$msg .= "\n"	303	$msg .= "\n"
180	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
181		305
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		307
184	utf8::encode $msg;
185	LOG llevError, $msg;	308	LOG llevWarn, $msg;
186	};	309	};
187	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
188		324
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	335	for my $pkg (qw(
200	cf::global cf::attachable	336	cf::global cf::attachable
201	cf::object cf::object::player	337	cf::object cf::object::player
202	cf::client cf::player	338	cf::client cf::player
203	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
204	cf::map cf::party cf::region	341	cf::party cf::region
205	)) {	342	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	344	}
209		345
210	$Event::DIED = sub {	346	$EV::DIED = sub {
211	warn "error in event callback: @_";	347	warn "error in event callback: $@";
212	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
213		354
214	#############################################################################	355	#############################################################################
215		356
216	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
217		358
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	380	$d
240	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
241	}	382	}
242		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
243	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
244		437
245	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
246		439
247	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
248		441
249	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
250		443
251	=cut	444	=cut
252		445
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		447
255	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
257		512
258	=item cf::lock_wait $string	513	=item cf::lock_wait $string
259		514
260	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
261		516
262	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
263		518
264	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
267	returned.	522	returned.
268		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
269	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
271		529
272	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
273		531
274	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
275		533
276	=cut	534	=cut
277		535
278	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
279		537
280	sub lock_wait($) {	538	sub lock_wait($) {
281	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	540	}
289		541
290	sub lock_acquire($) {	542	sub lock_acquire($) {
291	my ($key) = @_;	543	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	544	}
303		545
304	sub lock_active($) {	546	sub lock_active($) {
305	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	548	}
309		549
310	sub freeze_mainloop {	550	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
312		552
313	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
315	};	623	}
316	$TICK_WATCHER->stop;	624	};
317	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
318	}	639	}
319		640
320	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
321		642
322	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		648
328	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
329		650
330	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
331		652
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	656	acceptable.
336		657
337	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	663	=cut
343		664
344	sub sync_job(&) {	665	sub sync_job(&) {
345	my ($job) = @_;	666	my ($job) = @_;
346		667
347	if ($Coro::current == $Coro::main) {	668	if (in_main) {
348	my $time = Event::time;	669	my $time = AE::time;
349		670
350	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
352		673
353	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	675
355	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
356		677
357	my $busy = 1;	678	my $busy = 1;
358	my @res;	679	my @res;
359		680
360	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	683	@res = eval { $job->() };
362	warn $@ if $@;	684	error $@ if $@;
363	undef $busy;	685	undef $busy;
364	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
365		687
366	while ($busy) {	688	while ($busy) {
367	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
368	}	693	}
		694	}
369		695
370	$time = Event::time - $time;	696	my $time = AE::time - $time;
371		697
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
376		699
377	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
378	} else {	701	} else {
379	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
380		703
…		…
400	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
401		724
402	$coro	725	$coro
403	}	726	}
404		727
405	=item fork_call { }, $args	728	=item fork_call { }, @args
406		729
407	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
411		734
412	=cut	735	=cut
		736
		737	sub post_fork {
		738	reset_signals;
		739	}
413		740
414	sub fork_call(&@) {	741	sub fork_call(&@) {
415	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
416		743
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	744	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	745	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	746	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		747
422	if (my $pid = fork) {	748	my @res = Coro::Util::fork_eval {
423	close $fh2;	749	cf::post_fork;
		750	&$cb
		751	} @args;
424		752
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	753	wantarray ? @res : $res[-1]
426	$res = Coro::Storable::thaw $res;	754	}
427		755
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	756	sub objinfo {
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
447	}	792	}
448		793
449	=item $value = cf::db_get $family => $key	794	=item $value = cf::db_get $family => $key
450		795
451	Returns a single value from the environment database.	796	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	798	=item cf::db_put $family => $key => $value
454		799
455	Stores the given C<$value> in the family. It can currently store binary	800	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
458	=cut	808	=cut
		809
		810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
		814	my ($name) = @_;
		815	my $db = BDB::db_create $DB_ENV;
		816
		817	eval {
		818	$db->set_flags (BDB::CHKSUM);
		819
		820	utf8::encode $name;
		821	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		822	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		823	cf::cleanup "db_open(db): $!" if $!;
		824	};
		825	cf::cleanup "db_open(db): $@" if $@;
		826
		827	$db
		828	}
459		829
460	our $DB;	830	our $DB;
461		831
462	sub db_init {	832	sub db_init {
463	unless ($DB) {	833	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	834	}
478		835
479	sub db_get($$) {	836	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
481		838
482	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
483	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
484		843
485	$! ? ()	844	$! ? ()
486	: $data	845	: $data
487	}
488	}	846	}
489		847
490	sub db_put($$$) {	848	sub db_put($$$) {
491	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
520		878
521	my @data;	879	my @data;
522	my $md5;	880	my $md5;
523		881
524	for (0 .. $#$src) {	882	for (0 .. $#$src) {
525	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
526	or Carp::croak "$src->[$_]: $!";
527	}	884	}
528		885
529	# if processing is expensive, check	886	# if processing is expensive, check
530	# checksum first	887	# checksum first
531	if (1) {	888	if (1) {
532	$md5 =	889	$md5 =
533	join "\x00",	890	join "\x00",
534	$processversion,	891	$processversion,
535	map {	892	map {
536	Coro::cede;	893	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	894	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	895	} 0.. $#$src;
539		896
540		897
541	my $dbmd5 = db_get cache => "$id/md5";	898	my $dbmd5 = db_get cache => "$id/md5";
…		…
548		905
549	my $t1 = Time::HiRes::time;	906	my $t1 = Time::HiRes::time;
550	my $data = $process->(\@data);	907	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	908	my $t2 = Time::HiRes::time;
552		909
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		911
555	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
558		915
…		…
568		925
569	=cut	926	=cut
570		927
571	sub datalog($@) {	928	sub datalog($@) {
572	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	931	}
575		932
576	=back	933	=back
577		934
578	=cut	935	=cut
579		936
580	#############################################################################	937	#############################################################################
581		938
582	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
583		940
584	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
587		944
588	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	947	Deliantra).
591		948
592	=over 4	949	=over 4
593		950
594	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
595		952
…		…
639	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
640		997
641	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
643		1000
644	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
646		1003
647	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
648		1005
649	=over 4	1006	=over 4
…		…
773		1130
774	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1133
777	} elsif (ref $type) {	1134	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
779		1136
780	} else {	1137	} else {
781	shift @arg;	1138	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
783	}	1140	}
784	}	1141	}
785	}	1142	}
786		1143
787	sub _object_attach {	1144	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
798	}	1155	}
799		1156
800	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
801	} else {	1158	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1160	}
804		1161
805	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
806	}	1163	}
807		1164
…		…
847	";	1204	";
848	die if $@;	1205	die if $@;
849	}	1206	}
850		1207
851	our $override;	1208	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1209	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1210
854	sub override {	1211	sub override {
855	$override = 1;	1212	$override = 1;
856	@invoke_results = ();	1213	@INVOKE_RESULTS = (@_);
857	}	1214	}
858		1215
859	sub do_invoke {	1216	sub do_invoke {
860	my $event = shift;	1217	my $event = shift;
861	my $callbacks = shift;	1218	my $callbacks = shift;
862		1219
863	@invoke_results = ();	1220	@INVOKE_RESULTS = ();
864		1221
865	local $override;	1222	local $override;
866		1223
867	for (@$callbacks) {	1224	for (@$callbacks) {
868	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
869		1226
870	if ($@) {	1227	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1229	override;
874	}	1230	}
875		1231
876	return 1 if $override;	1232	return 1 if $override;
877	}	1233	}
878		1234
879	0	1235	0
880	}	1236	}
881		1237
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1239
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1241
886	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
887		1243
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1244	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1245	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1246	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1247
892	=back	1248	=back
893		1249
894	=cut	1250	=cut
895		1251
896	#############################################################################	1252	#############################################################################
897	# object support	1253	# object support
		1254
		1255	sub _object_equal($$);
		1256	sub _object_equal($$) {
		1257	my ($a, $b) = @_;
		1258
		1259	return 0 unless (ref $a) eq (ref $b);
		1260
		1261	if ("HASH" eq ref $a) {
		1262	my @ka = keys %$a;
		1263	my @kb = keys %$b;
		1264
		1265	return 0 if @ka != @kb;
		1266
		1267	for (0 .. $#ka) {
		1268	return 0 unless $ka[$_] eq $kb[$_];
		1269	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1270	}
		1271
		1272	} elsif ("ARRAY" eq ref $a) {
		1273
		1274	return 0 if @$a != @$b;
		1275
		1276	for (0 .. $#$a) {
		1277	return 0 unless _object_equal $a->[$_], $b->[$_];
		1278	}
		1279
		1280	} elsif ($a ne $b) {
		1281	return 0;
		1282	}
		1283
		1284	1
		1285	}
		1286
		1287	our $SLOW_MERGES;#d#
		1288	sub _can_merge {
		1289	my ($ob1, $ob2) = @_;
		1290
		1291	++$SLOW_MERGES;#d#
		1292
		1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
		1295	}
898		1296
899	sub reattach {	1297	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1299	my ($obj) = @_;
902		1300
		1301	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1303
905	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
906		1305
907	@$registry = ();	1306	@$registry = ();
908		1307
…		…
913	for (@$attach) {	1312	for (@$attach) {
914	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
916	}	1315	}
917	} else {	1316	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1318	}
920	}	1319	}
921	}	1320	}
922		1321
923	cf::attachable->attach (	1322	cf::attachable->attach (
924	prio => -1000000,	1323	prio => -1000000,
925	on_instantiate => sub {	1324	on_instantiate => sub {
926	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
927		1326
928	$data = from_json $data;	1327	$data = decode_json $data;
929		1328
930	for (@$data) {	1329	for (@$data) {
931	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
932		1331
933	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1348	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
951		1350
952	sync_job {	1351	sync_job {
953	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
956		1357
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	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;
		1363	aio_fsync $fh;
		1364	}
961	close $fh;	1365	aio_close $fh;
962		1366
963	if (@$objs) {	1367	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	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;
		1374	aio_fsync $fh;
		1375	}
969	close $fh;	1376	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
971	}	1378	}
972	} else {	1379	} else {
973	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
974	}	1381	}
975		1382
976	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1387	} else {
978	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
979	}	1389	}
980	} else {	1390	} else {
981	aio_unlink $filename;	1391	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
983	}	1393	}
984	}	1394	};
985	}	1395	}
986		1396
987	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
989		1399
…		…
1001	or return;	1411	or return;
1002		1412
1003	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1415	or return;
		1416
1006	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
1007	}	1419	}
1008		1420
		1421	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
1011	return ($data, $av);	1426	($data, $av)
1012	}	1427	}
1013		1428
1014	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
1015		1430
1016	=over 4	1431	=over 4
…		…
1018	=cut	1433	=cut
1019		1434
1020	#############################################################################	1435	#############################################################################
1021	# command handling &c	1436	# command handling &c
1022		1437
1023	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1024		1439
1025	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
1026	$name.	1441	$name.
1027		1442
1028	=cut	1443	=cut
…		…
1034	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1035		1450
1036	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1037	}	1452	}
1038		1453
1039	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1040		1455
1041	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1042	extcmd packet. Ext commands will be processed in the order they are	1457	extcmd packet. Ext commands will be processed in the order they are
1043	received by the server, like other user commands. The first argument is	1458	received by the server, like other user commands. The first argument is
1044	the logged-in player. Ext commands can only be processed after a player	1459	the logged-in player. Ext commands can only be processed after a player
1045	has logged in successfully.	1460	has logged in successfully.
1046		1461
1047	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1048	called.
1049		1463
		1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
1050	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1051		1470
1052	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1053	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1054	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1055	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1056	log-in.	1475	log-in.
1057		1476
1058	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1059	called.
1060		1478
1061	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1062		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1063	sub register_extcmd {	1486	sub register_extcmd($$) {
1064	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1065		1488
1066	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1067	}	1490	}
1068		1491
1069	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1070	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1071		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1072	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1073	}	1502	}
1074		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1075	cf::player->attach (	1512	cf::player->attach (
1076	on_command => sub {	1513	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1078		1515
1079	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1080	or return;	1517	or return;
1081		1518
…		…
1089	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1090		1527
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1529
1093	if (ref $msg) {	1530	if (ref $msg) {
		1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1532
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1533	if (my $cb = $EXTACMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1534	$cb->(
1096	$pl->ext_reply ($msg->{msgid}, %reply);	1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
		1546	@reply = $cb->($pl, @payload);
1097	}	1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1098	}	1551	}
		1552
1099	} else {	1553	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1555	}
1102		1556
1103	cf::override;	1557	cf::override;
1104	},	1558	},
1105	);	1559	);
1106		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
1107	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1108	cf::sync_job {	1590	cf::sync_job {
1109	my %todo;	1591	my %todo;
1110		1592
1111	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1594	next unless -r $path;
…		…
1130		1612
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1615
1134	$ext{source} =	1616	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1137	. $source	1619	. $source
1138	. "\n};\n1";	1620	. "\n};\n1";
1139		1621
1140	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1141	}	1623	}
1142		1624
		1625	my $pass = 0;
1143	my %done;	1626	my %done;
1144	while (%todo) {	1627	while (%todo) {
1145	my $progress;	1628	my $progress;
1146		1629
		1630	++$pass;
		1631
		1632	ext:
1147	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1635	next ext
1150	unless exists $done{$_};	1636	unless exists $done{$_};
1151	}	1637	}
1152		1638
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1640
1155	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1656	if exists $v->{meta}{mandatory};
1160	warn $msg;	1657
1161	warn "mandatory extension failed to load, exiting.\n";	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1659	delete $todo{$k};
1163	}	1660	} else {
1164		1661	$done{$k} = delete $todo{$k};
1165	warn $msg;	1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1166	}	1667	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1668	}
1172		1669
1173	skip:	1670	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1176	}	1680	}
1177	};	1681	};
1178	}	1682	}
1179		1683
1180	#############################################################################	1684	#############################################################################
1181		1685
1182	=back	1686	=back
1183		1687
1184	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1185		1689
1186	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1187		1691
1188	=cut	1692	=cut
1189		1693
1190	package cf::player;	1694	package cf::player;
1191		1695
1192	use Coro::AIO;	1696	use Coro::AIO;
1193		1697
1194	=head3 cf::player	1698	=head3 cf::player
1195		1699
1196	=over 4	1700	=over 4
		1701
		1702	=item cf::player::num_playing
		1703
		1704	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1705
		1706	=cut
		1707
		1708	sub num_playing {
		1709	scalar grep
		1710	$_->ob->map
		1711	&& !$_->hidden
		1712	&& !$_->ob->flag (cf::FLAG_WIZ),
		1713	cf::player::list
		1714	}
1197		1715
1198	=item cf::player::find $login	1716	=item cf::player::find $login
1199		1717
1200	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
1201		1719
…		…
1220		1738
1221	sub exists($) {	1739	sub exists($) {
1222	my ($login) = @_;	1740	my ($login) = @_;
1223		1741
1224	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1226	}	1744	}
1227		1745
1228	sub find($) {	1746	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1748	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1758	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1759
1242	my $pl = load_pl path $login	1760	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1761	or return;
		1762
		1763	my $pl = cf::player::load_pl $f
		1764	or return;
		1765
		1766	local $cf::PLAYER_LOADING{$login} = $pl;
		1767	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1245	}	1769	}
1246	}	1770	}
1247	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
1248		1785
1249	sub save($) {	1786	sub save($) {
1250	my ($pl) = @_;	1787	my ($pl) = @_;
1251		1788
1252	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1258		1795
1259	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1261		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1803
1262	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1263	Coro::cede;	1805	cf::cede_to_tick;
1264	}	1806	}
1265		1807
1266	sub new($) {	1808	sub new($) {
1267	my ($login) = @_;	1809	my ($login) = @_;
1268		1810
…		…
1274	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1275		1817
1276	$self	1818	$self
1277	}	1819	}
1278		1820
		1821	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1822
		1823	=cut
		1824
		1825	sub send_msg {
		1826	my $ns = shift->ns
		1827	or return;
		1828	$ns->send_msg (@_);
		1829	}
		1830
1279	=item $pl->quit_character	1831	=item $pl->quit_character
1280		1832
1281	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1283		1835
…		…
1287	my ($pl) = @_;	1839	my ($pl) = @_;
1288		1840
1289	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1290		1842
1291	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1845
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1297	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1298		1854
1299	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1336	or return [];	1892	or return [];
1337		1893
1338	my @logins;	1894	my @logins;
1339		1895
1340	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
		1897	my $path = path $login;
		1898
		1899	# a .pst is a dead give-away for a valid player
		1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1344		1906
1345	utf8::decode $login;	1907	utf8::decode $login;
1346	push @logins, $login;	1908	push @logins, $login;
1347	}	1909	}
1348		1910
1349	\@logins	1911	\@logins
1350	}	1912	}
1351		1913
1352	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1353		1917
1354	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1355	player. May block.	1919	player. May block.
1356		1920
1357	=cut	1921	=cut
…		…
1375	}	1939	}
1376		1940
1377	\@paths	1941	\@paths
1378	}	1942	}
1379		1943
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1945
1382	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1383		1947
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	s/\s+\n/\n/g; # ws line-ends
1418	s/\n\n+/\n/g; # double lines
1419	s/^\n+//; # beginning lines
1420	s/\n+$//; # ending lines
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)
1431
1432	Sends an ext reply to the player.
1433
1434	=cut
1435
1436	sub ext_reply($$%) {
1437	my ($self, $id, %msg) = @_;
1438
1439	$msg{msgid} = $id;
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}
1442
1443	=item $player->ext_event ($type, %msg)	1948	=item $player->ext_msg ($type, @msg)
1444		1949
1445	Sends an ext event to the client.	1950	Sends an ext event to the client.
1446		1951
1447	=cut	1952	=cut
1448		1953
1449	sub ext_event($$%) {	1954	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1955	my ($self, $type, @msg) = @_;
1451		1956
1452	$self->ns->ext_event ($type, %msg);	1957	$self->ns->ext_msg ($type, @msg);
1453	}	1958	}
1454		1959
1455	=head3 cf::region	1960	=head3 cf::region
1456		1961
1457	=over 4	1962	=over 4
…		…
1467	=cut	1972	=cut
1468		1973
1469	sub find_by_path($) {	1974	sub find_by_path($) {
1470	my ($path) = @_;	1975	my ($path) = @_;
1471		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
		1978
1472	my ($match, $specificity);	1979	my ($match, $specificity);
1473		1980
1474	for my $region (list) {	1981	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1982	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1983	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1984	if $region->specificity > $specificity;
1478	}	1985	}
1479	}	1986	}
1480		1987
…		…
1501	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1503		2010
1504	sub generate_random_map {	2011	sub generate_random_map {
1505	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1506	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1507	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1515	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1516	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1518	(cf::region::find $rmp->{region}), $rmp->{custom}
1519	)
1520	}	2017	}
1521		2018
1522	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1523		2020
1524	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1529		2026
1530	sub register {	2027	sub register {
1531	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1532	my $pkg = caller;	2029	my $pkg = caller;
1533		2030
1534	no strict;
1535	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1536		2032
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	2034	}
1539		2035
1540	# also paths starting with '/'	2036	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		2038
1543	sub thawer_merge {	2039	sub thawer_merge {
1544	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1545		2041
1546	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1551	}	2047	}
1552		2048
1553	sub normalise {	2049	sub normalise {
1554	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1555		2051
1556	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1557		2053
1558	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1559		2055
1560	# map plan:	2056	# map plan:
1561	#	2057	#
…		…
1576	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1577	$path = "$base/$path";	2073	$path = "$base/$path";
1578	}	2074	}
1579		2075
1580	for ($path) {	2076	for ($path) {
1581	redo if s{//}{/};
1582	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1583	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1584	}	2079	}
1585		2080
1586	$path	2081	$path
…		…
1600	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1601	return $self;	2096	return $self;
1602	}	2097	}
1603	}	2098	}
1604		2099
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1606	()	2101	()
1607	}	2102	}
1608		2103
		2104	# may re-bless or do other evil things
1609	sub init {	2105	sub init {
1610	my ($self) = @_;	2106	my ($self) = @_;
1611		2107
1612	$self	2108	$self
1613	}	2109	}
…		…
1632		2128
1633	# the temporary/swap location	2129	# the temporary/swap location
1634	sub save_path {	2130	sub save_path {
1635	my ($self) = @_;	2131	my ($self) = @_;
1636		2132
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	2134	"$TMPDIR/$path.map"
1639	}	2135	}
1640		2136
1641	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1642	sub uniq_path {	2138	sub uniq_path {
1643	my ($self) = @_;	2139	my ($self) = @_;
1644		2140
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	2143	}
1657		2144
1658	sub decay_objects {	2145	sub decay_objects {
1659	my ($self) = @_;	2146	my ($self) = @_;
1660		2147
…		…
1673		2160
1674	sub load_header_from($) {	2161	sub load_header_from($) {
1675	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1676		2163
1677	utf8::encode $path;	2164	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	2166	or return;
1683		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1684	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1685		2175
1686	1	2176	1
1687	}	2177	}
1688		2178
		2179	# used to laod the header of an original map
1689	sub load_header_orig {	2180	sub load_header_orig {
1690	my ($self) = @_;	2181	my ($self) = @_;
1691		2182
1692	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1693	}	2184	}
1694		2185
		2186	# used to laod the header of an instantiated map
1695	sub load_header_temp {	2187	sub load_header_temp {
1696	my ($self) = @_;	2188	my ($self) = @_;
1697		2189
1698	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1699	}	2191	}
1700		2192
		2193	# called after loading the header from an instantiated map
1701	sub prepare_temp {	2194	sub prepare_temp {
1702	my ($self) = @_;	2195	my ($self) = @_;
1703		2196
1704	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1705	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1706	# safety	2199	# safety
1707	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1708	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1709	}	2202	}
1710		2203
		2204	# called after loading the header from an original map
1711	sub prepare_orig {	2205	sub prepare_orig {
1712	my ($self) = @_;	2206	my ($self) = @_;
1713		2207
1714	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1715	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1739		2233
1740	sub find;	2234	sub find;
1741	sub find {	2235	sub find {
1742	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1743		2237
		2238	cf::cede_to_tick;
		2239
1744	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1745		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2244
1748	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1751	or return;	2247	or return;
1752		2248
1753	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1754		2250
…		…
1756	or return;	2252	or return;
1757		2253
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1761	$map->reset;	2259	$map->reset;
1762	undef $guard;
1763	return find $path;	2260	return find $path;
1764	}	2261	}
1765		2262
1766	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1767	}	2264	}
1768	}	2265	}
1769		2266
1770	sub pre_load { }	2267	sub pre_load { }
1771	sub post_load { }	2268	#sub post_load { } # XS
1772		2269
1773	sub load {	2270	sub load {
1774	my ($self) = @_;	2271	my ($self) = @_;
1775		2272
1776	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1777		2274
1778	my $path = $self->{path};	2275	my $path = $self->{path};
1779		2276
1780	{	2277	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1782		2279
		2280	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
1784
1785	$self->in_memory (cf::MAP_LOADING);
1786		2282
1787	$self->alloc;	2283	$self->alloc;
1788		2284
1789	$self->pre_load;	2285	$self->pre_load;
1790	Coro::cede;	2286	cf::cede_to_tick;
1791		2287
1792	$self->_load_objects ($self->{load_path}, 1)	2288	if (exists $self->{load_path}) {
		2289	my $f = new_from_file cf::object::thawer $self->{load_path};
		2290	$f->skip_block;
		2291	$self->_load_objects ($f)
1793	or return;	2292	or return;
1794		2293
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1796	if delete $self->{load_original};	2295	if delete $self->{load_original};
1797		2296
1798	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2298	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2301	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1803	}	2306	}
1804	}
1805		2307
1806	Coro::cede;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
		2315
		2316	cf::cede_to_tick;
1807	# now do the right thing for maps	2317	# now do the right thing for maps
1808	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2320	unless $self->difficulty;
1811	Coro::cede;	2321	cf::cede_to_tick;
1812		2322
1813	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2324	$self->decay_objects;
1815	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
1816	$self->update_buttons;	2326	$self->update_buttons;
1817	Coro::cede;	2327	cf::cede_to_tick;
1818	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
1819	Coro::cede;
1820	$self->activate;
1821	}	2329	}
1822		2330
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1824	}	2333	}
1825		2334
1826	$self->post_load;	2335	$self->post_load;
1827	}
1828		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
1829	sub customise_for {	2343	sub customise_for {
1830	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1831		2345
1832	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2347	if $self->per_player;
…		…
1836	# if $self->per_party;	2350	# if $self->per_party;
1837		2351
1838	$self	2352	$self
1839	}	2353	}
1840		2354
1841	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {
1843	my ($map) = @_;
1844
1845	my @diag; # diagonal neighbours
1846
1847	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)
1849	or next;
1850	$neigh = find $neigh, $map
1851	or next;
1852	$neigh->load;
1853
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}
1857
1858	for (@diag) {
1859	my $neigh = find @$_
1860	or next;
1861	$neigh->load;
1862	}
1863	}
1864
1865	sub find_sync {	2355	sub find_sync {
1866	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1867		2357
1868	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
1869	}	2363	}
1870		2364
1871	sub do_load_sync {	2365	sub do_load_sync {
1872	my ($map) = @_;	2366	my ($map) = @_;
1873		2367
1874	cf::sync_job { $map->load };	2368	# it's a bug to call this from the main context
		2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2370	if $Coro::current == $Coro::main;
		2371
		2372	$map->load;
1875	}	2373	}
1876		2374
1877	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1879		2377
1880	sub find_async {	2378	sub find_async {
1881	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1882		2380
1883	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1884		2382
1885	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1887	}	2385	}
1888		2386
1889	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1890	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1891	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1893	my $map = find $path	2394	if (my $map = find $k) {
1894	or next;
1895	$map->load;	2395	$map->load if $v;
		2396	}
1896		2397
1897	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1898	}	2399	}
1899	}	2400	}
1900	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1901	};	2402	};
1902	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1903		2404
1904	()	2405	()
1905	}	2406	}
1906		2407
		2408	# common code, used by both ->save and ->swapout
1907	sub save {	2409	sub _save {
1908	my ($self) = @_;	2410	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2411
1912	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1913		2413
1914	return unless $self->dirty;	2414	return unless $self->dirty;
1915		2415
…		…
1921	return if $self->{deny_save};	2421	return if $self->{deny_save};
1922		2422
1923	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
1924		2424
1925	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
1927	};	2428	};
		2429
		2430	cf::get_slot 0.02;
1928		2431
1929	if ($uniq) {	2432	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2435	} else {
1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934	}	2437	}
1935	}	2438	}
1936		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
1937	sub swap_out {	2448	sub swap_out {
1938	my ($self) = @_;	2449	my ($self) = @_;
1939		2450
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
1945	return if $self->players;	2455	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
1949	$self->clear;	2466	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2467	}
1952		2468
1953	sub reset_at {	2469	sub reset_at {
1954	my ($self) = @_;	2470	my ($self) = @_;
1955		2471
…		…
1973		2489
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2491
1976	return if $self->players;	2492	return if $self->players;
1977		2493
1978	warn "resetting map ", $self->path;	2494	cf::trace "resetting map ", $self->path, "\n";
1979		2495
1980	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
1981		2497
1982	# need to save uniques path	2498	# need to save uniques path
1983	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
1984	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
1985		2501
…		…
1987	if $uniq;	2503	if $uniq;
1988	}	2504	}
1989		2505
1990	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
1991		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2510	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2511
1996	$self->unlink_save;	2512	$self->unlink_save;
1997	$self->destroy;	2513	$self->destroy;
1998	}	2514	}
1999		2515
2000	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
2001		2517
2002	sub nuke {	2518	sub nuke {
2003	my ($self) = @_;	2519	my ($self) = @_;
2004		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
2005	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2006		2525
2007	$self->unlink_save;	2526	$self->unlink_save;
2008		2527
2009	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2533
2015	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
2016		2536
2017	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
2018	}	2538	}
2019		2539
2020	=item $maps = cf::map::tmp_maps	2540	=item $maps = cf::map::tmp_maps
…		…
2062		2582
2063	sub unique_maps() {	2583	sub unique_maps() {
2064	[	2584	[
2065	map {	2585	map {
2066	utf8::decode $_;	2586	utf8::decode $_;
2067	/\.map$/	2587	s/\.map$//; # TODO future compatibility hack
		2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2589	? ()
2068	? normalise $_	2590	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2592	]
2072	}	2593	}
2073		2594
2074	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
2075		2626
2076	=back	2627	=back
2077		2628
2078	=head3 cf::object	2629	=head3 cf::object
2079		2630
…		…
2083		2634
2084	=over 4	2635	=over 4
2085		2636
2086	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
2087		2638
2088	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
2089		2641
2090	=cut	2642	=cut
2091		2643
2092	sub inv_recursive_;	2644	sub inv_recursive_;
2093	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
2096		2648
2097	sub inv_recursive {	2649	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
2099	}	2651	}
2100		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
2101	package cf;	2681	package cf;
2102		2682
2103	=back	2683	=back
2104		2684
2105	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2691	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
2114		2694
2115	=cut	2695	=cut
		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
2116		2710
2117	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2712	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
2127		2721
2128	} else {	2722	} else {
2129	my $pl = $self->contr;	2723	my $pl = $self->contr;
2130		2724
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2725	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2726	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2728
2140	} else {	2729	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2732	}
2144	}	2733	}
		2734	}
		2735
		2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2737
		2738	=cut
		2739
		2740	sub cf::object::send_msg {
		2741	my $pl = shift->contr
		2742	or return;
		2743	$pl->send_msg (@_);
2145	}	2744	}
2146		2745
2147	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
2148		2747
2149	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
2162		2761
2163	=item $player_object->enter_link	2762	=item $player_object->enter_link
2164		2763
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2765
2167	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
2169		2770
2170	Will never block.	2771	Will never block.
2171		2772
2172	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2173		2774
…		…
2193	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2194	my ($self) = @_;	2795	my ($self) = @_;
2195		2796
2196	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2197		2798
		2799	++$self->{_link_recursion};
		2800
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2802
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2202		2805
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2807	}
2205		2808
2206	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2208		2811
…		…
2225	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2227		2830
2228	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2231		2834
2232	$map->load;	2835	$map->load;
2233	$map->load_diag;
2234		2836
2235	return unless $self->contr->active;	2837	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2838
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2240	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2241		2846
		2847	}
		2848
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243		2850
2244	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2854	the new (success) or old (failed) map position. In either case, $done will
		2855	be called at the end of this process.
		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
2248		2859
2249	=cut	2860	=cut
2250		2861
2251	our $GOTOGEN;	2862	our $GOTOGEN;
2252		2863
2253	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
2255		2872
2256	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2875
2259	$self->enter_link;	2876	$self->enter_link;
2260		2877
2261	(async {	2878	(async {
		2879	$Coro::current->{desc} = "player::goto $path $x $y";
		2880
		2881	# *tag paths override both path and x|y
		2882	if ($path =~ /^\*(.*)$/) {
		2883	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2884	my $ob = $obs[rand @obs];
		2885
		2886	# see if we actually can go there
		2887	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2888	$ob = $obs[rand @obs];
		2889	} else {
		2890	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2891	}
		2892	# else put us there anyways for now #d#
		2893
		2894	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2895	} else {
		2896	($path, $x, $y) = (undef, undef, undef);
		2897	}
		2898	}
		2899
2262	my $map = eval {	2900	my $map = eval {
2263	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2264		2902
2265	if ($map) {	2903	if ($map) {
2266	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2268	} else {	2906	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2908	}
2271		2909
2272	$map	2910	$map
2273	};	2911	};
2274		2912
…		…
2279		2917
2280	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2283	}	2921	}
		2922
		2923	$done->($self) if $done;
2284	})->prio (1);	2924	})->prio (1);
2285	}	2925	}
2286		2926
2287	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2288		2928
…		…
2308	}	2948	}
2309		2949
2310	sub prepare_random_map {	2950	sub prepare_random_map {
2311	my ($exit) = @_;	2951	my ($exit) = @_;
2312		2952
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2955	# that depends on the exit object
2318		2956
2319	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	2959	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
2326	}	2966	}
2327		2967
2328	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
2329		2969
2330	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
2333		2973
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	2976	undef $fh;
2337	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
2338		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
2341	}	2985	}
2342	}	2986	}
2343		2987
2344	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2346		2990
2347	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2348		2992
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	2993	$self->enter_link;
2361		2994
2362	(async {	2995	(async {
2363	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
2364	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
2365	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2366		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
2367	1;	3034	1
2368	}) {	3035	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2371	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2373		3040
2374	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2375	$self->leave_link;	3042	$self->leave_link;
2376	}	3043	}
2377	})->prio (1);	3044	})->prio (1);
2378	}	3045	}
2379		3046
…		…
2393		3060
2394	utf8::encode $text;	3061	utf8::encode $text;
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2396	}	3063	}
2397		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
		3088	}
		3089
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		3091
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	3092	Send a drawinfo or msg packet to the client, formatting the msg for the
2401	client if neccessary. C<$type> should be a string identifying the type of	3093	client if neccessary. C<$type> should be a string identifying the type of
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	3094	the message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	3095	the message unless the client supports the msg packet.
2404		3096
2405	=cut	3097	=cut
2406		3098
		3099	# non-persistent channels (usually the info channel)
		3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
		3107	"c/identify" => {
		3108	id => "infobox",
		3109	title => "Identify",
		3110	reply => undef,
		3111	tooltip => "Items recently identified",
		3112	},
		3113	"c/examine" => {
		3114	id => "infobox",
		3115	title => "Examine",
		3116	reply => undef,
		3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
		3124	},
		3125	"c/book" => {
		3126	id => "infobox",
		3127	title => "Book",
		3128	reply => undef,
		3129	tooltip => "The contents of a note or book",
		3130	},
		3131	"c/lookat" => {
		3132	id => "infobox",
		3133	title => "Look",
		3134	reply => undef,
		3135	tooltip => "What you saw there",
		3136	},
		3137	"c/who" => {
		3138	id => "infobox",
		3139	title => "Players",
		3140	reply => undef,
		3141	tooltip => "Shows players who are currently online",
		3142	},
		3143	"c/body" => {
		3144	id => "infobox",
		3145	title => "Body Parts",
		3146	reply => undef,
		3147	tooltip => "Shows which body parts you posess and are available",
		3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
		3185	"c/uptime" => {
		3186	id => "infobox",
		3187	title => "Uptime",
		3188	reply => undef,
		3189	tooltip => "How long the server has been running since last restart",
		3190	},
		3191	"c/mapinfo" => {
		3192	id => "infobox",
		3193	title => "Map Info",
		3194	reply => undef,
		3195	tooltip => "Information related to the maps",
		3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
		3211	);
		3212
2407	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2409		3215
2410	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
		3218
		3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
		3228	} elsif (ref $channel) {
		3229	# send meta info to client, if not yet sent
		3230	unless (exists $self->{channel}{$channel->{id}}) {
		3231	$self->{channel}{$channel->{id}} = $channel;
		3232	$self->ext_msg (channel_info => $channel);
		3233	}
		3234
		3235	$channel = $channel->{id};
		3236	}
2411		3237
2412	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2413		3239
2414	if ($self->can_msg) {	3240	# default colour, mask it out
2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2416	} else {	3242	if $color & cf::NDI_DEF;
2417	# replace some tags by gcfclient-compatible ones
2418	for ($msg) {
2419	1 while
2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2425	}
2426		3243
2427	if ($color >= 0) {	3244	my $pkt = "msg "
2428	if (0 && $msg =~ /\[/) {	3245	. $self->{json_coder}->encode (
2429	$self->send_packet ("drawextinfo $color 4 0 $msg")	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2430	} else {	3247	);
2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2432	$self->send_packet ("drawinfo $color $msg")
2433	}
2434	}
2435	}
2436	}
2437		3248
		3249	$self->send_big_packet ($pkt);
		3250	}
		3251
2438	=item $client->ext_event ($type, %msg)	3252	=item $client->ext_msg ($type, @msg)
2439		3253
2440	Sends an ext event to the client.	3254	Sends an ext event to the client.
2441		3255
2442	=cut	3256	=cut
2443		3257
2444	sub cf::client::ext_event($$%) {	3258	sub cf::client::ext_msg($$@) {
2445	my ($self, $type, %msg) = @_;	3259	my ($self, $type, @msg) = @_;
2446		3260
2447	$msg{msgtype} = "event_$type";
2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2449	}	3262	}
2450		3263
2451	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2452		3265
2453	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
2508	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
2509		3322
2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2511		3324
2512	if (ref $msg) {	3325	if (ref $msg) {
		3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3327
2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3328	if (my $cb = $EXTIACMD{$type}) {
2514	if (my %reply = $cb->($ns, $msg)) {	3329	$cb->(
2515	$reply{msgid} = $msg->{msgid};	3330	$ns,
2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
		3341	@reply = $cb->($ns, @payload);
2517	}	3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
2518	}	3346	}
2519	} else {	3347	} else {
2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2521	}	3349	}
2522		3350
2523	cf::override;	3351	cf::override;
2524	},	3352	},
2525	);	3353	);
…		…
2545		3373
2546	$coro	3374	$coro
2547	}	3375	}
2548		3376
2549	cf::client->attach (	3377	cf::client->attach (
2550	on_destroy => sub {	3378	on_client_destroy => sub {
2551	my ($ns) = @_;	3379	my ($ns) = @_;
2552		3380
2553	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2554	},	3382	},
2555	);	3383	);
…		…
2570	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2571	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2572		3400
2573	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2574		3402
2575	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3403	$safe->permit_only (Opcode::opset qw(
		3404	:base_core :base_mem :base_orig :base_math :base_loop
		3405	grepstart grepwhile mapstart mapwhile
		3406	sort time
		3407	));
2576		3408
2577	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2578		3410
2579	=pod	3411	=pod
2580		3412
2581	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2582		3414
2583	cf::object contr pay_amount pay_player map	3415	cf::object
		3416	contr pay_amount pay_player map x y force_find force_add destroy
		3417	insert remove name archname title slaying race decrease split
		3418	value
		3419
2584	cf::object::player player	3420	cf::object::player
2585	cf::player peaceful	3421	player
2586	cf::map trigger	3422
		3423	cf::player
		3424	peaceful
		3425
		3426	cf::map
		3427	trigger
2587		3428
2588	=cut	3429	=cut
2589		3430
2590	for (	3431	for (
2591	["cf::object" => qw(contr pay_amount pay_player map)],	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2592	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2593	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2594	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2595	) {	3438	) {
2596	no strict 'refs';
2597	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2598	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2599	for @funs;	3441	for @funs;
2600	}	3442	}
2601		3443
…		…
2616		3458
2617	my $qcode = $code;	3459	my $qcode = $code;
2618	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2619	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2620		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2621	local $_;	3466	local $_;
2622	local @safe::cf::_safe_eval_args = values %vars;
2623		3467
2624	my $eval =	3468	my $eval =
2625	"do {\n"	3469	"do {\n"
2626	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2627	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2628	. $code	3472	. $code
2629	. "\n}"	3473	. "\n}"
2630	;	3474	;
2631		3475
		3476	if ($CFG{safe_eval}) {
2632	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2633	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2634	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2635		3485
2636	if ($@) {	3486	if ($@) {
2637	warn "$@";	3487	warn "$@",
2638	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2639	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2640	}	3490	}
2641		3491
2642	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2643	}	3493	}
2644		3494
…		…
2658	=cut	3508	=cut
2659		3509
2660	sub register_script_function {	3510	sub register_script_function {
2661	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2662		3512
2663	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2664	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2665	}	3515	}
2666		3516
2667	=back	3517	=back
2668		3518
2669	=cut	3519	=cut
2670		3520
2671	#############################################################################	3521	#############################################################################
2672	# the server's init and main functions	3522	# the server's init and main functions
2673		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525
		3526	# internal api, not fianlised
		3527	sub set_face {
		3528	my ($name, $type, $data) = @_;
		3529
		3530	my $idx = cf::face::find $name;
		3531
		3532	if ($idx) {
		3533	delete $FACEHASH{cf::face::get_chksum $idx};
		3534	} else {
		3535	$idx = cf::face::alloc $name;
		3536	}
		3537
		3538	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3539
		3540	cf::face::set_type $idx, $type;
		3541	cf::face::set_data $idx, 0, $data, $hash;
		3542	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3543	$FACEHASH{$hash} = $idx;#d#
		3544
		3545	$idx
		3546	}
		3547
2674	sub load_facedata($) {	3548	sub load_facedata($) {
2675	my ($path) = @_;	3549	my ($path) = @_;
2676		3550
		3551	# HACK to clear player env face cache, we need some signal framework
		3552	# for this (global event?)
		3553	%ext::player_env::MUSIC_FACE_CACHE = ();
		3554
		3555	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3556
2677	warn "loading facedata from $path\n";	3557	trace "loading facedata from $path\n";
2678		3558
2679	my $facedata;	3559	my $facedata = decode_storable load_file $path;
2680	0 < aio_load $path, $facedata
2681	or die "$path: $!";
2682
2683	$facedata = Coro::Storable::thaw $facedata;
2684		3560
2685	$facedata->{version} == 2	3561	$facedata->{version} == 2
2686	or cf::cleanup "$path: version mismatch, cannot proceed.";	3562	or cf::cleanup "$path: version mismatch, cannot proceed.";
2687		3563
		3564	cf::cede_to_tick;
		3565
2688	{	3566	{
2689	my $faces = $facedata->{faceinfo};	3567	my $faces = $facedata->{faceinfo};
2690		3568
2691	while (my ($face, $info) = each %$faces) {	3569	for my $face (sort keys %$faces) {
		3570	my $info = $faces->{$face};
2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3571	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3572
2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3573	cf::face::set_visibility $idx, $info->{visibility};
		3574	cf::face::set_magicmap $idx, $info->{magicmap};
2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3575	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3576	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2696	Coro::cede;	3577	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3578	$FACEHASH{$info->{hash64}} = $idx;#d#
		3579
		3580	cf::cede_to_tick;
2697	}	3581	}
2698		3582
2699	while (my ($face, $info) = each %$faces) {	3583	while (my ($face, $info) = each %$faces) {
2700	next unless $info->{smooth};	3584	next unless $info->{smooth};
		3585
2701	my $idx = cf::face::find $face	3586	my $idx = cf::face::find $face
2702	or next;	3587	or next;
		3588
2703	if (my $smooth = cf::face::find $info->{smooth}) {	3589	if (my $smooth = cf::face::find $info->{smooth}) {
		3590	cf::face::set_smooth $idx, $smooth;
2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3591	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2705	} else {	3592	} else {
2706	warn "smooth face '$info->{smooth}' not found for face '$face'";	3593	error "smooth face '$info->{smooth}' not found for face '$face'";
2707	}	3594	}
2708	Coro::cede;	3595
		3596	cf::cede_to_tick;
2709	}	3597	}
2710	}	3598	}
2711		3599
2712	{	3600	{
2713	my $anims = $facedata->{animinfo};	3601	my $anims = $facedata->{animinfo};
2714		3602
2715	while (my ($anim, $info) = each %$anims) {	3603	while (my ($anim, $info) = each %$anims) {
2716	cf::anim::set $anim, $info->{frames}, $info->{facings};	3604	cf::anim::set $anim, $info->{frames}, $info->{facings};
2717	Coro::cede;	3605	cf::cede_to_tick;
2718	}	3606	}
2719		3607
2720	cf::anim::invalidate_all; # d'oh	3608	cf::anim::invalidate_all; # d'oh
2721	}	3609	}
2722		3610
		3611	{
		3612	my $res = $facedata->{resource};
		3613
		3614	while (my ($name, $info) = each %$res) {
		3615	if (defined (my $type = $info->{type})) {
		3616	# TODO: different hash - must free and use new index, or cache ixface data queue
		3617	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3618
		3619	cf::face::set_type $idx, $type;
		3620	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3621	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3622	$FACEHASH{$info->{hash}} = $idx;#d#
		3623	} else {
		3624	# $RESOURCE{$name} = $info; # unused
		3625	}
		3626
		3627	cf::cede_to_tick;
		3628	}
		3629	}
		3630
		3631	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3632
2723	1	3633	1
2724	}	3634	}
2725		3635
		3636	register_exticmd fx_want => sub {
		3637	my ($ns, $want) = @_;
		3638
		3639	while (my ($k, $v) = each %$want) {
		3640	$ns->fx_want ($k, $v);
		3641	}
		3642	};
		3643
		3644	sub load_resource_file($) {
		3645	my $guard = lock_acquire "load_resource_file";
		3646
		3647	my $status = load_resource_file_ $_[0];
		3648	get_slot 0.1, 100;
		3649	cf::arch::commit_load;
		3650
		3651	$status
		3652	}
		3653
		3654	sub reload_exp_table {
		3655	_reload_exp_table;
		3656
		3657	set_face "res/exp_table" => FT_RSRC,
		3658	JSON::XS->new->utf8->canonical->encode (
		3659	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3660	);
		3661	}
		3662
		3663	sub reload_materials {
		3664	_reload_materials;
		3665	}
		3666
2726	sub reload_regions {	3667	sub reload_regions {
		3668	# HACK to clear player env face cache, we need some signal framework
		3669	# for this (global event?)
		3670	%ext::player_env::MUSIC_FACE_CACHE = ();
		3671
2727	load_resource_file "$MAPDIR/regions"	3672	load_resource_file "$MAPDIR/regions"
2728	or die "unable to load regions file\n";	3673	or die "unable to load regions file\n";
		3674
		3675	for (cf::region::list) {
		3676	$_->{match} = qr/$_->{match}/
		3677	if exists $_->{match};
		3678	}
2729	}	3679	}
2730		3680
2731	sub reload_facedata {	3681	sub reload_facedata {
2732	load_facedata "$DATADIR/facedata"	3682	load_facedata "$DATADIR/facedata"
2733	or die "unable to load facedata\n";	3683	or die "unable to load facedata\n";
2734	}	3684	}
2735		3685
2736	sub reload_archetypes {	3686	sub reload_archetypes {
2737	load_resource_file "$DATADIR/archetypes"	3687	load_resource_file "$DATADIR/archetypes"
2738	or die "unable to load archetypes\n";	3688	or die "unable to load archetypes\n";
2739	#d# NEED to laod twice to resolve forward references	3689
2740	# this really needs to be done in an extra post-pass	3690	set_face "res/skill_info" => FT_RSRC,
2741	# (which needs to be synchronous, so solve it differently)	3691	JSON::XS->new->utf8->canonical->encode (
2742	load_resource_file "$DATADIR/archetypes"	3692	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
2743	or die "unable to load archetypes\n";	3693	);
		3694	set_face "res/spell_paths" => FT_RSRC,
		3695	JSON::XS->new->utf8->canonical->encode (
		3696	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3697	);
2744	}	3698	}
2745		3699
2746	sub reload_treasures {	3700	sub reload_treasures {
2747	load_resource_file "$DATADIR/treasures"	3701	load_resource_file "$DATADIR/treasures"
2748	or die "unable to load treasurelists\n";	3702	or die "unable to load treasurelists\n";
2749	}	3703	}
2750		3704
		3705	sub reload_sound {
		3706	trace "loading sound config from $DATADIR/sound\n";
		3707
		3708	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3709
		3710	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3711	my $sound = $soundconf->{compat}[$_]
		3712	or next;
		3713
		3714	my $face = cf::face::find "sound/$sound->[1]";
		3715	cf::sound::set $sound->[0] => $face;
		3716	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3717	}
		3718
		3719	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3720	my $face = cf::face::find "sound/$v";
		3721	cf::sound::set $k => $face;
		3722	}
		3723	}
		3724
2751	sub reload_resources {	3725	sub reload_resources {
2752	warn "reloading resource files...\n";	3726	trace "reloading resource files...\n";
2753		3727
		3728	reload_materials;
		3729	reload_facedata;
		3730	reload_exp_table;
		3731	reload_sound;
		3732	reload_archetypes;
2754	reload_regions;	3733	reload_regions;
2755	reload_facedata;
2756	#reload_archetypes;#d#
2757	reload_archetypes;
2758	reload_treasures;	3734	reload_treasures;
2759		3735
2760	warn "finished reloading resource files\n";	3736	trace "finished reloading resource files\n";
2761	}	3737	}
2762		3738
2763	sub init {	3739	sub reload_config {
2764	reload_resources;	3740	trace "reloading config file...\n";
2765	}
2766		3741
2767	sub cfg_load {	3742	my $config = load_file "$CONFDIR/config";
2768	open my $fh, "<:utf8", "$CONFDIR/config"	3743	utf8::decode $config;
2769	or return;	3744	*CFG = decode_yaml $config;
2770		3745
2771	local $/;
2772	*CFG = YAML::Syck::Load <$fh>;
2773
2774	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2775		3747
2776	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2777	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2778		3750
2779	if (exists $CFG{mlockall}) {	3751	if (exists $CFG{mlockall}) {
…		…
2783	};	3755	};
2784	warn $@ if $@;	3756	warn $@ if $@;
2785	}	3757	}
2786	}	3758	}
2787		3759
		3760	sub pidfile() {
		3761	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3762	or die "$PIDFILE: $!";
		3763	flock $fh, &Fcntl::LOCK_EX
		3764	or die "$PIDFILE: flock: $!";
		3765	$fh
		3766	}
		3767
		3768	# make sure only one server instance is running at any one time
		3769	sub atomic {
		3770	my $fh = pidfile;
		3771
		3772	my $pid = <$fh>;
		3773	kill 9, $pid if $pid > 0;
		3774
		3775	seek $fh, 0, 0;
		3776	print $fh $$;
		3777	}
		3778
		3779	sub main_loop {
		3780	trace "EV::loop starting\n";
		3781	if (1) {
		3782	EV::loop;
		3783	}
		3784	trace "EV::loop returned\n";
		3785	goto &main_loop unless $REALLY_UNLOOP;
		3786	}
		3787
2788	sub main {	3788	sub main {
		3789	cf::init_globals; # initialise logging
		3790
		3791	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3792	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3793	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3794	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3795
		3796	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3797
2789	# we must not ever block the main coroutine	3798	# we must not ever block the main coroutine
2790	local $Coro::idle = sub {	3799	$Coro::idle = sub {
2791	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3800	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2792	(async {	3801	(async {
2793	Event::one_event;	3802	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3803	EV::loop EV::LOOP_ONESHOT;
2794	})->prio (Coro::PRIO_MAX);	3804	})->prio (Coro::PRIO_MAX);
2795	};	3805	};
2796		3806
2797	cfg_load;	3807	evthread_start IO::AIO::poll_fileno;
		3808
		3809	cf::sync_job {
		3810	cf::incloader::init ();
		3811
2798	db_init;	3812	db_init;
		3813
		3814	cf::init_anim;
		3815	cf::init_attackmess;
		3816	cf::init_dynamic;
		3817
		3818	cf::load_settings;
		3819
		3820	reload_resources;
		3821	reload_config;
		3822
		3823	cf::init_uuid;
		3824	cf::init_signals;
		3825	cf::init_skills;
		3826
		3827	cf::init_beforeplay;
		3828
		3829	atomic;
		3830
2799	load_extensions;	3831	load_extensions;
2800		3832
2801	$TICK_WATCHER->start;	3833	utime time, time, $RUNTIMEFILE;
2802	Event::loop;	3834
		3835	# no (long-running) fork's whatsoever before this point(!)
		3836	use POSIX ();
		3837	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3838
		3839	cf::_post_init 0;
		3840	};
		3841
		3842	cf::object::thawer::errors_are_fatal 0;
		3843	info "parse errors in files are no longer fatal from this point on.\n";
		3844
		3845	AE::postpone {
		3846	undef &main; # free gobs of memory :)
		3847	};
		3848
		3849	goto &main_loop;
2803	}	3850	}
2804		3851
2805	#############################################################################	3852	#############################################################################
2806	# initialisation and cleanup	3853	# initialisation and cleanup
2807		3854
2808	# install some emergency cleanup handlers	3855	# install some emergency cleanup handlers
2809	BEGIN {	3856	BEGIN {
		3857	our %SIGWATCHER = ();
2810	for my $signal (qw(INT HUP TERM)) {	3858	for my $signal (qw(INT HUP TERM)) {
2811	Event->signal (	3859	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2812	reentrant => 0,
2813	data => WF_AUTOCANCEL,
2814	signal => $signal,
2815	prio => 0,
2816	cb => sub {
2817	cf::cleanup "SIG$signal";	3860	cf::cleanup "SIG$signal";
2818	},
2819	);	3861	};
2820	}	3862	}
2821	}	3863	}
2822		3864
2823	sub write_runtime {	3865	sub write_runtime_sync {
2824	my $runtime = "$LOCALDIR/runtime";	3866	my $t0 = AE::time;
2825		3867
2826	# first touch the runtime file to show we are still running:	3868	# first touch the runtime file to show we are still running:
2827	# the fsync below can take a very very long time.	3869	# the fsync below can take a very very long time.
2828		3870
2829	IO::AIO::aio_utime $runtime, undef, undef;	3871	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2830		3872
2831	my $guard = cf::lock_acquire "write_runtime";	3873	my $guard = cf::lock_acquire "write_runtime";
2832		3874
2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3875	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2834	or return;	3876	or return;
2835		3877
2836	my $value = $cf::RUNTIME + 90 + 10;	3878	my $value = $cf::RUNTIME + 90 + 10;
2837	# 10 is the runtime save interval, for a monotonic clock	3879	# 10 is the runtime save interval, for a monotonic clock
2838	# 60 allows for the watchdog to kill the server.	3880	# 60 allows for the watchdog to kill the server.
…		…
2848	aio_utime $fh, undef, undef;	3890	aio_utime $fh, undef, undef;
2849		3891
2850	close $fh	3892	close $fh
2851	or return;	3893	or return;
2852		3894
2853	aio_rename "$runtime~", $runtime	3895	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2854	and return;	3896	and return;
2855		3897
2856	warn "runtime file written.\n";	3898	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2857		3899
2858	1	3900	1
		3901	}
		3902
		3903	our $uuid_lock;
		3904	our $uuid_skip;
		3905
		3906	sub write_uuid_sync($) {
		3907	$uuid_skip ||= $_[0];
		3908
		3909	return if $uuid_lock;
		3910	local $uuid_lock = 1;
		3911
		3912	my $uuid = "$LOCALDIR/uuid";
		3913
		3914	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3915	or return;
		3916
		3917	my $value = uuid_seq uuid_cur;
		3918
		3919	unless ($value) {
		3920	info "cowardly refusing to write zero uuid value!\n";
		3921	return;
		3922	}
		3923
		3924	my $value = uuid_str $value + $uuid_skip;
		3925	$uuid_skip = 0;
		3926
		3927	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3928	and return;
		3929
		3930	# always fsync - this file is important
		3931	aio_fsync $fh
		3932	and return;
		3933
		3934	close $fh
		3935	or return;
		3936
		3937	aio_rename "$uuid~", $uuid
		3938	and return;
		3939
		3940	trace "uuid file written ($value).\n";
		3941
		3942	1
		3943
		3944	}
		3945
		3946	sub write_uuid($$) {
		3947	my ($skip, $sync) = @_;
		3948
		3949	$sync ? write_uuid_sync $skip
		3950	: async { write_uuid_sync $skip };
2859	}	3951	}
2860		3952
2861	sub emergency_save() {	3953	sub emergency_save() {
2862	my $freeze_guard = cf::freeze_mainloop;	3954	my $freeze_guard = cf::freeze_mainloop;
2863		3955
2864	warn "enter emergency perl save\n";	3956	info "emergency_perl_save: enter\n";
		3957
		3958	# this is a trade-off: we want to be very quick here, so
		3959	# save all maps without fsync, and later call a global sync
		3960	# (which in turn might be very very slow)
		3961	local $USE_FSYNC = 0;
2865		3962
2866	cf::sync_job {	3963	cf::sync_job {
		3964	cf::write_runtime_sync; # external watchdog should not bark
		3965
2867	# use a peculiar iteration method to avoid tripping on perl	3966	# use a peculiar iteration method to avoid tripping on perl
2868	# refcount bugs in for. also avoids problems with players	3967	# refcount bugs in for. also avoids problems with players
2869	# and maps saved/destroyed asynchronously.	3968	# and maps saved/destroyed asynchronously.
2870	warn "begin emergency player save\n";	3969	info "emergency_perl_save: begin player save\n";
2871	for my $login (keys %cf::PLAYER) {	3970	for my $login (keys %cf::PLAYER) {
2872	my $pl = $cf::PLAYER{$login} or next;	3971	my $pl = $cf::PLAYER{$login} or next;
2873	$pl->valid or next;	3972	$pl->valid or next;
		3973	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2874	$pl->save;	3974	$pl->save;
2875	}	3975	}
2876	warn "end emergency player save\n";	3976	info "emergency_perl_save: end player save\n";
2877		3977
2878	warn "begin emergency map save\n";	3978	cf::write_runtime_sync; # external watchdog should not bark
		3979
		3980	info "emergency_perl_save: begin map save\n";
2879	for my $path (keys %cf::MAP) {	3981	for my $path (keys %cf::MAP) {
2880	my $map = $cf::MAP{$path} or next;	3982	my $map = $cf::MAP{$path} or next;
2881	$map->valid or next;	3983	$map->valid or next;
2882	$map->save;	3984	$map->save;
2883	}	3985	}
2884	warn "end emergency map save\n";	3986	info "emergency_perl_save: end map save\n";
2885		3987
2886	warn "begin emergency database checkpoint\n";	3988	cf::write_runtime_sync; # external watchdog should not bark
		3989
		3990	info "emergency_perl_save: begin database checkpoint\n";
2887	BDB::db_env_txn_checkpoint $DB_ENV;	3991	BDB::db_env_txn_checkpoint $DB_ENV;
2888	warn "end emergency database checkpoint\n";	3992	info "emergency_perl_save: end database checkpoint\n";
		3993
		3994	info "emergency_perl_save: begin write uuid\n";
		3995	write_uuid_sync 1;
		3996	info "emergency_perl_save: end write uuid\n";
		3997
		3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	trace "emergency_perl_save: syncing database to disk";
		4001	BDB::db_env_txn_checkpoint $DB_ENV;
		4002
		4003	info "emergency_perl_save: starting sync\n";
		4004	IO::AIO::aio_sync sub {
		4005	info "emergency_perl_save: finished sync\n";
		4006	};
		4007
		4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	trace "emergency_perl_save: flushing outstanding aio requests";
		4011	while (IO::AIO::nreqs || BDB::nreqs) {
		4012	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4013	}
		4014
		4015	cf::write_runtime_sync; # external watchdog should not bark
2889	};	4016	};
2890		4017
2891	warn "leave emergency perl save\n";	4018	info "emergency_perl_save: leave\n";
2892	}	4019	}
2893		4020
2894	sub post_cleanup {	4021	sub post_cleanup {
2895	my ($make_core) = @_;	4022	my ($make_core) = @_;
2896		4023
		4024	IO::AIO::flush;
		4025
2897	warn Carp::longmess "post_cleanup backtrace"	4026	error Carp::longmess "post_cleanup backtrace"
2898	if $make_core;	4027	if $make_core;
		4028
		4029	my $fh = pidfile;
		4030	unlink $PIDFILE if <$fh> == $$;
		4031	}
		4032
		4033	# a safer delete_package, copied from Symbol
		4034	sub clear_package($) {
		4035	my $pkg = shift;
		4036
		4037	# expand to full symbol table name if needed
		4038	unless ($pkg =~ /^main::.*::$/) {
		4039	$pkg = "main$pkg" if $pkg =~ /^::/;
		4040	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4041	$pkg .= '::' unless $pkg =~ /::$/;
		4042	}
		4043
		4044	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4045	my $stem_symtab = *{$stem}{HASH};
		4046
		4047	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4048	or return;
		4049
		4050	# clear all symbols
		4051	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4052	for my $name (keys %$leaf_symtab) {
		4053	_gv_clear *{"$pkg$name"};
		4054	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4055	}
2899	}	4056	}
2900		4057
2901	sub do_reload_perl() {	4058	sub do_reload_perl() {
2902	# can/must only be called in main	4059	# can/must only be called in main
2903	if ($Coro::current != $Coro::main) {	4060	unless (in_main) {
2904	warn "can only reload from main coroutine";	4061	error "can only reload from main coroutine";
2905	return;	4062	return;
2906	}	4063	}
2907		4064
2908	warn "reloading...";	4065	return if $RELOAD++;
2909		4066
2910	warn "entering sync_job";	4067	my $t1 = AE::time;
2911		4068
		4069	while ($RELOAD) {
		4070	cf::get_slot 0.1, -1, "reload_perl";
		4071	info "perl_reload: reloading...";
		4072
		4073	trace "perl_reload: entering sync_job";
		4074
2912	cf::sync_job {	4075	cf::sync_job {
2913	cf::write_runtime; # external watchdog should not bark
2914	cf::emergency_save;	4076	#cf::emergency_save;
2915	cf::write_runtime; # external watchdog should not bark
2916		4077
2917	warn "syncing database to disk";
2918	BDB::db_env_txn_checkpoint $DB_ENV;
2919
2920	# if anything goes wrong in here, we should simply crash as we already saved
2921
2922	warn "cancelling all WF_AUTOCANCEL watchers";
2923	for (Event::all_watchers) {
2924	$_->cancel if $_->data & WF_AUTOCANCEL;
2925	}
2926
2927	warn "flushing outstanding aio requests";
2928	for (;;) {
2929	BDB::flush;
2930	IO::AIO::flush;
2931	Coro::cede;
2932	last unless IO::AIO::nreqs || BDB::nreqs;
2933	warn "iterate...";
2934	}
2935
2936	++$RELOAD;
2937
2938	warn "cancelling all extension coros";	4078	trace "perl_reload: cancelling all extension coros";
2939	$_->cancel for values %EXT_CORO;	4079	$_->cancel for values %EXT_CORO;
2940	%EXT_CORO = ();	4080	%EXT_CORO = ();
2941		4081
2942	warn "removing commands";	4082	trace "perl_reload: removing commands";
2943	%COMMAND = ();	4083	%COMMAND = ();
2944		4084
2945	warn "removing ext/exti commands";	4085	trace "perl_reload: removing ext/exti commands";
2946	%EXTCMD = ();	4086	%EXTCMD = ();
2947	%EXTICMD = ();	4087	%EXTICMD = ();
2948		4088
2949	warn "unloading/nuking all extensions";	4089	trace "perl_reload: unloading/nuking all extensions";
2950	for my $pkg (@EXTS) {	4090	for my $pkg (@EXTS) {
2951	warn "... unloading $pkg";	4091	trace "... unloading $pkg";
2952		4092
2953	if (my $cb = $pkg->can ("unload")) {	4093	if (my $cb = $pkg->can ("unload")) {
2954	eval {	4094	eval {
2955	$cb->($pkg);	4095	$cb->($pkg);
2956	1	4096	1
2957	} or warn "$pkg unloaded, but with errors: $@";	4097	} or error "$pkg unloaded, but with errors: $@";
		4098	}
		4099
		4100	trace "... clearing $pkg";
		4101	clear_package $pkg;
2958	}	4102	}
2959		4103
2960	warn "... nuking $pkg";
2961	Symbol::delete_package $pkg;
2962	}
2963
2964	warn "unloading all perl modules loaded from $LIBDIR";	4104	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2965	while (my ($k, $v) = each %INC) {	4105	while (my ($k, $v) = each %INC) {
2966	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4106	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2967		4107
2968	warn "... unloading $k";	4108	trace "... unloading $k";
2969	delete $INC{$k};	4109	delete $INC{$k};
2970		4110
2971	$k =~ s/\.pm$//;	4111	$k =~ s/\.pm$//;
2972	$k =~ s/\//::/g;	4112	$k =~ s/\//::/g;
2973		4113
2974	if (my $cb = $k->can ("unload_module")) {	4114	if (my $cb = $k->can ("unload_module")) {
2975	$cb->();	4115	$cb->();
		4116	}
		4117
		4118	clear_package $k;
2976	}	4119	}
2977		4120
2978	Symbol::delete_package $k;
2979	}
2980
2981	warn "getting rid of safe::, as good as possible";	4121	trace "perl_reload: getting rid of safe::, as good as possible";
2982	Symbol::delete_package "safe::$_"	4122	clear_package "safe::$_"
2983	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4123	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2984		4124
2985	warn "unloading cf.pm \"a bit\"";	4125	trace "perl_reload: unloading cf.pm \"a bit\"";
2986	delete $INC{"cf.pm"};	4126	delete $INC{"cf.pm"};
2987	delete $INC{"cf/pod.pm"};	4127	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2988		4128
2989	# don't, removes xs symbols, too,	4129	# don't, removes xs symbols, too,
2990	# and global variables created in xs	4130	# and global variables created in xs
2991	#Symbol::delete_package __PACKAGE__;	4131	#clear_package __PACKAGE__;
2992		4132
2993	warn "unload completed, starting to reload now";	4133	info "perl_reload: unload completed, starting to reload now";
2994		4134
2995	warn "reloading cf.pm";	4135	trace "perl_reload: reloading cf.pm";
2996	require cf;	4136	require cf;
2997	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4137	cf::_connect_to_perl_1;
2998		4138
2999	warn "loading config and database again";	4139	trace "perl_reload: loading config and database again";
3000	cf::cfg_load;	4140	cf::reload_config;
3001		4141
3002	warn "loading extensions";	4142	trace "perl_reload: loading extensions";
3003	cf::load_extensions;	4143	cf::load_extensions;
3004		4144
		4145	if ($REATTACH_ON_RELOAD) {
3005	warn "reattaching attachments to objects/players";	4146	trace "perl_reload: reattaching attachments to objects/players";
3006	_global_reattach; # objects, sockets	4147	_global_reattach; # objects, sockets
3007	warn "reattaching attachments to maps";	4148	trace "perl_reload: reattaching attachments to maps";
3008	reattach $_ for values %MAP;	4149	reattach $_ for values %MAP;
3009	warn "reattaching attachments to players";	4150	trace "perl_reload: reattaching attachments to players";
3010	reattach $_ for values %PLAYER;	4151	reattach $_ for values %PLAYER;
		4152	}
3011		4153
3012	warn "leaving sync_job";	4154	cf::_post_init 1;
3013		4155
		4156	trace "perl_reload: leaving sync_job";
		4157
3014	1	4158	1
3015	} or do {	4159	} or do {
3016	warn $@;	4160	error $@;
3017	warn "error while reloading, exiting.";	4161	cf::cleanup "perl_reload: error, exiting.";
3018	exit 1;	4162	};
		4163
		4164	--$RELOAD;
3019	};	4165	}
3020		4166
3021	warn "reloaded";	4167	$t1 = AE::time - $t1;
		4168	info "perl_reload: completed in ${t1}s\n";
3022	};	4169	};
3023		4170
3024	our $RELOAD_WATCHER; # used only during reload	4171	our $RELOAD_WATCHER; # used only during reload
3025		4172
3026	sub reload_perl() {	4173	sub reload_perl() {
3027	# doing reload synchronously and two reloads happen back-to-back,	4174	# doing reload synchronously and two reloads happen back-to-back,
3028	# coro crashes during coro_state_free->destroy here.	4175	# coro crashes during coro_state_free->destroy here.
3029		4176
3030	$RELOAD_WATCHER ||= Event->timer (	4177	$RELOAD_WATCHER ||= cf::async {
3031	reentrant => 0,	4178	Coro::AIO::aio_wait cache_extensions;
3032	after => 0,	4179
3033	data => WF_AUTOCANCEL,	4180	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3034	cb => sub {
3035	do_reload_perl;	4181	do_reload_perl;
3036	undef $RELOAD_WATCHER;	4182	undef $RELOAD_WATCHER;
3037	},	4183	};
3038	);	4184	};
3039	}	4185	}
3040		4186
3041	register_command "reload" => sub {	4187	register_command "reload" => sub {
3042	my ($who, $arg) = @_;	4188	my ($who, $arg) = @_;
3043		4189
3044	if ($who->flag (FLAG_WIZ)) {	4190	if ($who->flag (FLAG_WIZ)) {
3045	$who->message ("reloading server.");	4191	$who->message ("reloading server.");
		4192	async {
		4193	$Coro::current->{desc} = "perl_reload";
3046	async { reload_perl };	4194	reload_perl;
		4195	};
3047	}	4196	}
3048	};	4197	};
3049		4198
3050	unshift @INC, $LIBDIR;	4199	#############################################################################
3051		4200
3052	my $bug_warning = 0;	4201	my $bug_warning = 0;
3053		4202
3054	our @WAIT_FOR_TICK;
3055	our @WAIT_FOR_TICK_BEGIN;
3056
3057	sub wait_for_tick {	4203	sub wait_for_tick() {
3058	return unless $TICK_WATCHER->is_active;	4204	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3059	return if $Coro::current == $Coro::main;
3060		4205
3061	my $signal = new Coro::Signal;	4206	$WAIT_FOR_TICK->wait;
3062	push @WAIT_FOR_TICK, $signal;
3063	$signal->wait;
3064	}	4207	}
3065		4208
3066	sub wait_for_tick_begin {	4209	sub wait_for_tick_begin() {
3067	return unless $TICK_WATCHER->is_active;	4210	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3068	return if $Coro::current == $Coro::main;
3069		4211
3070	my $signal = new Coro::Signal;	4212	my $signal = new Coro::Signal;
3071	push @WAIT_FOR_TICK_BEGIN, $signal;	4213	push @WAIT_FOR_TICK_BEGIN, $signal;
3072	$signal->wait;	4214	$signal->wait;
3073	}	4215	}
3074		4216
3075	my $min = 1e6;#d#	4217	sub tick {
3076	my $avg = 10;
3077	$TICK_WATCHER = Event->timer (
3078	reentrant => 0,
3079	parked => 1,
3080	prio => 0,
3081	at => $NEXT_TICK || $TICK,
3082	data => WF_AUTOCANCEL,
3083	cb => sub {
3084	if ($Coro::current != $Coro::main) {	4218	if ($Coro::current != $Coro::main) {
3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4219	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3086	unless ++$bug_warning > 10;	4220	unless ++$bug_warning > 10;
3087	return;	4221	return;
3088	}	4222	}
3089		4223
3090	$NOW = $tick_start = Event::time;	4224	cf::one_tick; # one server iteration
3091		4225
3092	cf::server_tick; # one server iteration	4226	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3093		4227
3094	0 && sync_job {#d#	4228	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3095	for(1..10) {	4229	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3096	my $t = Event::time;	4230	Coro::async_pool {
3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4231	$Coro::current->{desc} = "runtime saver";
3098	or die;	4232	write_runtime_sync
3099		4233	or error "ERROR: unable to write runtime file: $!";
3100	$map->width (50);
3101	$map->height (50);
3102	$map->alloc;
3103	$map->_load_objects ("/tmp/x.map", 1);
3104	my $t = Event::time - $t;
3105
3106	#next unless $t < 0.0013;#d#
3107	if ($t < $min) {
3108	$min = $t;
3109	}
3110	$avg = $avg * 0.99 + $t * 0.01;
3111	}
3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3113	exit 0;
3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3115	};	4234	};
		4235	}
3116		4236
3117	$RUNTIME += $TICK;
3118	$NEXT_TICK += $TICK;
3119
3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
3122	Coro::async_pool {
3123	write_runtime
3124	or warn "ERROR: unable to write runtime file: $!";
3125	};
3126	}
3127
3128	# my $AFTER = Event::time;
3129	# warn $AFTER - $NOW;#d#
3130
3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4237	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3132	$sig->send;	4238	$sig->send;
3133	}	4239	}
3134	while (my $sig = shift @WAIT_FOR_TICK) {	4240	$WAIT_FOR_TICK->broadcast;
3135	$sig->send;
3136	}
3137		4241
3138	$NOW = Event::time;	4242	$LOAD = ($NOW - $TICK_START) / $TICK;
3139
3140	# if we are delayed by four ticks or more, skip them all
3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3142
3143	$TICK_WATCHER->at ($NEXT_TICK);
3144	$TICK_WATCHER->start;
3145
3146	$LOAD = ($NOW - $tick_start) / $TICK;
3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4243	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3148		4244
3149	_post_tick;	4245	if (0) {
3150		4246	if ($NEXT_TICK) {
3151		4247	my $jitter = $TICK_START - $NEXT_TICK;
		4248	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4249	debug "jitter $JITTER\n";#d#
		4250	}
3152	},	4251	}
3153	);	4252	}
3154		4253
3155	{	4254	{
3156	BDB::max_poll_time $TICK * 0.1;	4255	# configure BDB
3157	$BDB_POLL_WATCHER = Event->io (	4256	info "initialising database";
3158	reentrant => 0,	4257
3159	fd => BDB::poll_fileno,
3160	poll => 'r',
3161	prio => 0,
3162	data => WF_AUTOCANCEL,
3163	cb => \&BDB::poll_cb,
3164	);
3165	BDB::min_parallel 8;	4258	BDB::min_parallel 16;
3166		4259	BDB::max_poll_reqs $TICK * 0.1;
3167	BDB::set_sync_prepare {	4260	#$AnyEvent::BDB::WATCHER->priority (1);
3168	my $status;
3169	my $current = $Coro::current;
3170	(
3171	sub {
3172	$status = $!;
3173	$current->ready; undef $current;
3174	},
3175	sub {
3176	Coro::schedule while defined $current;
3177	$! = $status;
3178	},
3179	)
3180	};
3181		4261
3182	unless ($DB_ENV) {	4262	unless ($DB_ENV) {
3183	$DB_ENV = BDB::db_env_create;	4263	$DB_ENV = BDB::db_env_create;
		4264	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4265	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4266	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4267	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4268	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3184		4269
3185	cf::sync_job {	4270	cf::sync_job {
3186	eval {	4271	eval {
3187	BDB::db_env_open	4272	BDB::db_env_open
3188	$DB_ENV,	4273	$DB_ENV,
…		…
3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4275	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4276	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3192	0666;	4277	0666;
3193		4278
3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4279	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3195
3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3197	$DB_ENV->set_lk_detect;
3198	};	4280	};
3199		4281
3200	cf::cleanup "db_env_open(db): $@" if $@;	4282	cf::cleanup "db_env_open(db): $@" if $@;
3201	};	4283	};
3202	}	4284	}
		4285
		4286	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4287	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4288	};
		4289	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4290	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4291	};
		4292	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4293	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4294	};
		4295
		4296	info "database initialised";
3203	}	4297	}
3204		4298
3205	{	4299	{
		4300	# configure IO::AIO
		4301
		4302	info "initialising aio";
3206	IO::AIO::min_parallel 8;	4303	IO::AIO::min_parallel 8;
3207
3208	undef $Coro::AIO::WATCHER;
3209	IO::AIO::max_poll_time $TICK * 0.1;	4304	IO::AIO::max_poll_time $TICK * 0.1;
3210	$AIO_POLL_WATCHER = Event->io (	4305	undef $AnyEvent::AIO::WATCHER;
3211	reentrant => 0,	4306	info "aio initialised";
3212	data => WF_AUTOCANCEL,
3213	fd => IO::AIO::poll_fileno,
3214	poll => 'r',
3215	prio => 6,
3216	cb => \&IO::AIO::poll_cb,
3217	);
3218	}	4307	}
3219		4308
3220	my $_log_backtrace;	4309	our $_log_backtrace;
		4310	our $_log_backtrace_last;
3221		4311
3222	sub _log_backtrace {	4312	sub _log_backtrace {
3223	my ($msg, @addr) = @_;	4313	my ($msg, @addr) = @_;
3224		4314
3225	$msg =~ s/\n//;	4315	$msg =~ s/\n$//;
3226		4316
		4317	if ($_log_backtrace_last eq $msg) {
		4318	LOG llevInfo, "[ABT] $msg\n";
		4319	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3227	# limit the # of concurrent backtraces	4320	# limit the # of concurrent backtraces
3228	if ($_log_backtrace < 2) {	4321	} elsif ($_log_backtrace < 2) {
		4322	$_log_backtrace_last = $msg;
3229	++$_log_backtrace;	4323	++$_log_backtrace;
		4324	my $perl_bt = Carp::longmess $msg;
3230	async {	4325	async {
		4326	$Coro::current->{desc} = "abt $msg";
		4327
3231	my @bt = fork_call {	4328	my @bt = fork_call {
3232	@addr = map { sprintf "%x", $_ } @addr;	4329	@addr = map { sprintf "%x", $_ } @addr;
3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4330	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4331	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3235	or die "addr2line: $!";	4332	or die "addr2line: $!";
…		…
3243	}	4340	}
3244		4341
3245	@funcs	4342	@funcs
3246	};	4343	};
3247		4344
3248	LOG llevInfo, "[ABT] $msg\n";	4345	LOG llevInfo, "[ABT] $perl_bt\n";
		4346	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3249	LOG llevInfo, "[ABT] $_\n" for @bt;	4347	LOG llevInfo, "[ABT] $_\n" for @bt;
3250	--$_log_backtrace;	4348	--$_log_backtrace;
3251	};	4349	};
3252	} else {	4350	} else {
3253	LOG llevInfo, "[ABT] $msg\n";	4351	LOG llevInfo, "[ABT] $msg\n";
3254	LOG llevInfo, "[ABT] [suppressed]\n";	4352	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3255	}	4353	}
3256	}	4354	}
3257		4355
3258	# load additional modules	4356	# load additional modules
3259	use cf::pod;	4357	require "cf/$_.pm" for @EXTRA_MODULES;
		4358	cf::_connect_to_perl_2;
3260		4359
3261	END { cf::emergency_save }	4360	END { cf::emergency_save }
3262		4361
3263	1	4362	1
3264		4363

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