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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.310 by elmex, Mon Jul 16 15:43:49 2007 UTC vs.
Revision 1.623 by root, Wed Aug 30 14:18:51 2017 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 ();
		62	use CBOR::XS ();
31	use IO::AIO 2.32 ();	63	use IO::AIO ();
32	use Time::HiRes;
33	use Compress::LZF;	64	use Compress::LZF;
34	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
35		68
36	# configure various modules to our taste	69	# configure various modules to our taste
37	#	70	#
38	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
39	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";
40	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
41		79
42	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
43		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		82
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
50		86
51	our %COMMAND = ();	87	our %COMMAND = ();
52	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
53		89
54	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
56	our %EXTICMD = ();	93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
59		97
60	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
62		102
63	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
64	our $DATADIR = datadir;	105	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
68	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		126
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	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;
80	our $NOW;	145	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		146
83	our $BDB_POLL_WATCHER;	147	our (%PLAYER, %PLAYER_LOADING); # all users
84	our $DB_ENV;	148	our (%MAP, %MAP_LOADING ); # all maps
85
86	our %CFG;
87
88	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;
90
91	our %PLAYER; # all users
92	our %MAP; # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
94		150
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		153
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
100	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 $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
101		166
102	binmode STDOUT;	167	binmode STDOUT;
103	binmode STDERR;	168	binmode STDERR;
104		169
105	# read virtual server time, if available	170	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
110	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
111		178
112	mkdir $_	179	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		181
115	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
116		183
117	sub cf::map::normalise;	184	sub cf::map::normalise;
118		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
119	#############################################################################	190	#############################################################################
120		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
121	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
122		204
123	=over 4	205	=over 4
124		206
125	=item $cf::UPTIME	207	=item $cf::UPTIME
126		208
127	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.
128		225
129	=item $cf::RUNTIME	226	=item $cf::RUNTIME
130		227
131	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
132	every server tick.	229	every server tick.
133		230
134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
137		234
138	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
141	database environment.	238	database environment.
142		239
143	=item $cf::NOW
144
145	The time of the last (current) server tick.
146
147	=item $cf::TICK
148
149	The interval between server ticks, in seconds.
150
151	=item $cf::LOADAVG	240	=item $cf::LOADAVG
152		241
153	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
154	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
155	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
158		247
159	The raw value load value from the last tick.	248	The raw value load value from the last tick.
160		249
161	=item %cf::CFG	250	=item %cf::CFG
162		251
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	253	from wherever your confdir points to.
165		254
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		256
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick.
169	returns directly I<after> the tick processing (and consequently, can only wake one process	258	cf::wait_for_tick_begin only returns directly I<after> the tick
		259	processing (and consequently, can only wake one thread per tick), while
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	260	cf::wait_for_tick wakes up all waiters after tick processing.
		261
		262	Note that cf::wait_for_tick will immediately return when the server is not
		263	ticking, making it suitable for small pauses in threads that need to run
		264	when the server is paused. If that is not applicable (i.e. you I<really>
		265	want to wait, use C<$cf::WAIT_FOR_TICK>).
		266
		267	=item $cf::WAIT_FOR_TICK
		268
		269	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		270	variable contains a L<Coro::Signal> that is broadcats after every server
		271	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		272	next server tick.
		273
		274	=cut
		275
		276	sub wait_for_tick();
		277	sub wait_for_tick_begin();
171		278
172	=item @cf::INVOKE_RESULTS	279	=item @cf::INVOKE_RESULTS
173		280
174	This array contains the results of the last C<invoke ()> call. When	281	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	282	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	283	that call.
177		284
		285	=item %cf::REFLECT
		286
		287	Contains, for each (C++) class name, a hash reference with information
		288	about object members (methods, scalars, arrays and flags) and other
		289	metadata, which is useful for introspection.
		290
178	=back	291	=back
179		292
180	=cut	293	=cut
181		294
182	BEGIN {	295	sub error(@) { LOG llevError, join "", @_ }
183	*CORE::GLOBAL::warn = sub {	296	sub warn (@) { LOG llevWarn , join "", @_ }
		297	sub info (@) { LOG llevInfo , join "", @_ }
		298	sub debug(@) { LOG llevDebug, join "", @_ }
		299	sub trace(@) { LOG llevTrace, join "", @_ }
		300
		301	$Coro::State::WARNHOOK = sub {
184	my $msg = join "", @_;	302	my $msg = join "", @_;
185		303
186	$msg .= "\n"	304	$msg .= "\n"
187	unless $msg =~ /\n$/;	305	unless $msg =~ /\n$/;
188		306
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	307	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		308
191	utf8::encode $msg;
192	LOG llevError, $msg;	309	LOG llevWarn, $msg;
193	};	310	};
194	}	311
		312	$Coro::State::DIEHOOK = sub {
		313	return unless $^S eq 0; # "eq", not "=="
		314
		315	error Carp::longmess $_[0];
		316
		317	if (in_main) {#d#
		318	error "DIEHOOK called in main context, Coro bug?\n";#d#
		319	return;#d#
		320	}#d#
		321
		322	# kill coroutine otherwise
		323	Coro::terminate
		324	};
195		325
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	336	for my $pkg (qw(
207	cf::global cf::attachable	337	cf::global cf::attachable
208	cf::object cf::object::player	338	cf::object cf::object::player
209	cf::client cf::player	339	cf::client cf::player
210	cf::arch cf::living	340	cf::arch cf::living
		341	cf::map cf::mapspace
211	cf::map cf::party cf::region	342	cf::party cf::region
212	)) {	343	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	345	}
216		346
217	$Event::DIED = sub {	347	$EV::DIED = sub {
218	warn "error in event callback: @_";	348	warn "error in event callback: $@";
219	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
220		355
221	#############################################################################	356	#############################################################################
222		357
223	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
224		359
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	381	$d
247	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
248	}	383	}
249		384
		385	=item $scalar = cf::load_file $path
		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($path, $data, $sync) = @_;
		408
		409	my $lock = cf::lock_acquire ("replace_file:$path");
		410
		411	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		412	or return;
		413
		414	$data = $data->() if ref $data;
		415
		416	length $data == aio_write $fh, 0, (length $data), $data, 0
		417	or return;
		418
		419	!$sync
		420	or !aio_fsync $fh
		421	or return;
		422
		423	aio_close $fh
		424	and return;
		425
		426	aio_rename "$path~", $path
		427	and return;
		428
		429	if ($sync) {
		430	$path =~ s%/[^/]*$%%;
		431	aio_pathsync $path;
		432	}
		433
		434	1
		435	}
		436
250	=item $ref = cf::from_json $json	437	=item $ref = cf::decode_json $json
251		438
252	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
253		440
254	=item $json = cf::to_json $ref	441	=item $json = cf::encode_json $ref
255		442
256	Converts a perl data structure into its JSON representation.	443	Converts a perl data structure into its JSON representation.
257		444
258	=cut	445	=cut
259		446
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	447	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		448
262	sub to_json ($) { $json_coder->encode ($_[0]) }	449	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	450	sub decode_json($) { $json_coder->decode ($_[0]) }
		451
		452	=item $ref = cf::decode_storable $scalar
		453
		454	Same as Coro::Storable::thaw, so blocks.
		455
		456	=cut
		457
		458	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		459
		460	=item $ref = cf::decode_yaml $scalar
		461
		462	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		463
		464	=cut
		465
		466	sub decode_yaml($) {
		467	fork_call { YAML::XS::Load $_[0] } @_
		468	}
		469
		470	=item $scalar = cf::decode_cbor $scalar
		471
		472	Same as CBOR::XS::decode_cbor, but takes server ticks into account, so
		473	blocks. For small amounts of data, C<CBOR::XS::decode_cbor> is the better
		474	alternative.
		475
		476	=cut
		477
		478	sub decode_cbor($) {
		479	# we assume 10mb/s minimum decoding speed (on a ~2ghz machine)
		480	cf::get_slot +(length $_[0]) / 10_000_000, 0, "decode_cbor";
		481	CBOR::XS::decode_cbor $_[0]
		482	}
		483
		484	=item $scalar = cf::unlzf $scalar
		485
		486	Same as Compress::LZF::compress, but takes server ticks into account, so
		487	blocks.
		488
		489	=cut
		490
		491	sub unlzf($) {
		492	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		493	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		494	Compress::LZF::decompress $_[0]
		495	}
		496
		497	=item cf::post_init { BLOCK }
		498
		499	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		500	but I<before> the server starts ticking again.
		501
		502	The codeblock will have a single boolean argument to indicate whether this
		503	is a reload or not.
		504
		505	=cut
		506
		507	sub post_init(&) {
		508	push @POST_INIT, shift;
		509	}
		510
		511	sub _post_init {
		512	trace "running post_init jobs";
		513
		514	# run them in parallel...
		515
		516	my @join;
		517
		518	while () {
		519	push @join, map &Coro::async ($_, 0), @POST_INIT;
		520	@POST_INIT = ();
		521
		522	@join or last;
		523
		524	(pop @join)->join;
		525	}
		526	}
264		527
265	=item cf::lock_wait $string	528	=item cf::lock_wait $string
266		529
267	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
268		531
269	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
270		533
271	Wait until the given lock is available and then acquires it and returns	534	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	535	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
274	returned.	537	returned.
275		538
		539	Locks are *not* recursive, locking from the same coro twice results in a
		540	deadlocked coro.
		541
276	Lock names should begin with a unique identifier (for example, cf::map::find	542	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	543	uses map_find and cf::map::load uses map_load).
278		544
279	=item $locked = cf::lock_active $string	545	=item $locked = cf::lock_active $string
280		546
281	Return true if the lock is currently active, i.e. somebody has locked it.	547	Return true if the lock is currently active, i.e. somebody has locked it.
282		548
283	=cut	549	=cut
284		550
285	our %LOCK;	551	our $LOCKS = new Coro::SemaphoreSet;
286		552
287	sub lock_wait($) {	553	sub lock_wait($) {
288	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	555	}
296		556
297	sub lock_acquire($) {	557	sub lock_acquire($) {
298	my ($key) = @_;	558	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	559	}
310		560
311	sub lock_active($) {	561	sub lock_active($) {
312	my ($key) = @_;	562	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	563	}
316		564
317	sub freeze_mainloop {	565	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	566	tick_inhibit_inc;
319		567
320	my $guard = Coro::guard {	568	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	569	}
		570
		571	=item cf::periodic $interval, $cb
		572
		573	Like EV::periodic, but randomly selects a starting point so that the actions
		574	get spread over time.
		575
		576	=cut
		577
		578	sub periodic($$) {
		579	my ($interval, $cb) = @_;
		580
		581	my $start = rand List::Util::min 180, $interval;
		582
		583	EV::periodic $start, $interval, 0, $cb
		584	}
		585
		586	=item cf::get_slot $time[, $priority[, $name]]
		587
		588	Allocate $time seconds of blocking CPU time at priority C<$priority>
		589	(default: 0): This call blocks and returns only when you have at least
		590	C<$time> seconds of cpu time till the next tick. The slot is only valid
		591	till the next cede.
		592
		593	Background jobs should use a priority less than zero, interactive jobs
		594	should use 100 or more.
		595
		596	The optional C<$name> can be used to identify the job to run. It might be
		597	used for statistical purposes and should identify the same time-class.
		598
		599	Useful for short background jobs.
		600
		601	=cut
		602
		603	our @SLOT_QUEUE;
		604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
		606
		607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		608	$SLOT_QUEUE = Coro::async {
		609	$Coro::current->desc ("timeslot manager");
		610
		611	my $signal = new Coro::Signal;
		612	my $busy;
		613
		614	while () {
		615	next_job:
		616
		617	Coro::cede;
		618
		619	my $avail = cf::till_tick;
		620
		621	for (0 .. $#SLOT_QUEUE) {
		622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
		624	my $job = splice @SLOT_QUEUE, $_, 1, ();
		625	$job->[2]->send;
		626	goto next_job;
		627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		629	}
		630	}
		631
		632	if (@SLOT_QUEUE) {
		633	wait_for_tick;
		634	} else {
		635	$busy = 0;
		636	Coro::schedule;
		637	}
322	};	638	}
323	$TICK_WATCHER->stop;	639	};
324	$guard	640
		641	sub get_slot($;$$) {
		642	return if tick_inhibit || $Coro::current == $Coro::main;
		643
		644	my ($time, $pri, $name) = @_;
		645
		646	$time = clamp $time, 0.01, $TICK * .6;
		647
		648	my $sig = new Coro::Signal;
		649
		650	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		651	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		652	$SLOT_QUEUE->ready;
		653	$sig->wait;
325	}	654	}
326		655
327	=item cf::async { BLOCK }	656	=item cf::async { BLOCK }
328		657
329	Currently the same as Coro::async_pool, meaning you cannot use	658	Currently the same as Coro::async_pool, meaning you cannot use
…		…
334		663
335	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
336		665
337	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
338		667
339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	668	The design of Deliantra requires that the main coroutine ($Coro::main)
340	is always able to handle events or runnable, as Crossfire TRT is only	669	is always able to handle events or is runnable, as Deliantra is only
341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	670	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
342	acceptable.	671	acceptable.
343		672
344	If it must be done, put the blocking parts into C<sync_job>. This will run	673	If it must be done, put the blocking parts into C<sync_job>. This will run
345	the given BLOCK in another coroutine while waiting for the result. The	674	the given BLOCK in another coroutine while waiting for the result. The
…		…
349	=cut	678	=cut
350		679
351	sub sync_job(&) {	680	sub sync_job(&) {
352	my ($job) = @_;	681	my ($job) = @_;
353		682
354	if ($Coro::current == $Coro::main) {	683	if (in_main) {
355	my $time = Event::time;	684	my $time = AE::time;
356		685
357	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
358	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
359		688
360	# TODO: use suspend/resume instead	689	#LOG llevError, Carp::longmess "sync job";#d#
361	# (but this is cancel-safe)	690
362	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
363		692
364	my $busy = 1;	693	my $busy = 1;
365	my @res;	694	my @res;
366		695
367	(async {	696	(async {
		697	$Coro::current->desc ("sync job coro");
368	@res = eval { $job->() };	698	@res = eval { $job->() };
369	warn $@ if $@;	699	error $@ if $@;
370	undef $busy;	700	undef $busy;
371	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
372		702
373	while ($busy) {	703	while ($busy) {
374	Coro::cede or Event::one_event;	704	if (Coro::nready) {
		705	Coro::cede_notself;
		706	} else {
		707	EV::run EV::RUN_ONCE;
375	}	708	}
		709	}
376		710
377	$time = Event::time - $time;	711	my $time = AE::time - $time;
378		712
379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
381
382	$tick_start += $time; # do not account sync jobs to server load	713	$TICK_START += $time; # do not account sync jobs to server load
383		714
384	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
385	} else {	716	} else {
386	# we are in another coroutine, how wonderful, everything just works	717	# we are in another coroutine, how wonderful, everything just works
387		718
…		…
407	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
408		739
409	$coro	740	$coro
410	}	741	}
411		742
412	=item fork_call { }, $args	743	=item fork_call { }, @args
413		744
414	Executes the given code block with the given arguments in a seperate	745	Executes the given code block with the given arguments in a seperate
415	process, returning the results. Everything must be serialisable with	746	process, returning the results. Everything must be serialisable with
416	Coro::Storable. May, of course, block. Note that the executed sub may	747	Coro::Storable. May, of course, block. Note that the executed sub may
417	never block itself or use any form of Event handling.	748	never block itself or use any form of event handling.
418		749
419	=cut	750	=cut
420		751
421	sub _store_scalar {	752	sub post_fork {
422	open my $fh, ">", \my $buf	753	reset_signals;
423	or die "fork_call: cannot open fh-to-buf in child : $!";
424	Storable::store_fd $_[0], $fh;
425	close $fh;
426
427	$buf
428	}	754	}
429		755
430	sub fork_call(&@) {	756	sub fork_call(&@) {
431	my ($cb, @args) = @_;	757	my ($cb, @args) = @_;
432		758
433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	759	my @res = Coro::Util::fork_eval {
434	# or die "socketpair: $!";	760	cf::post_fork;
435	pipe my $fh1, my $fh2	761	&$cb
436	or die "pipe: $!";	762	} @args;
437		763
438	if (my $pid = fork) {	764	wantarray ? @res : $res[-1]
439	close $fh2;	765	}
440		766
441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	767	sub objinfo {
442	warn "pst<$res>" unless $res =~ /^pst/;
443	$res = Coro::Storable::thaw $res;
444
445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
446
447	Carp::confess $$res unless "ARRAY" eq ref $res;
448
449	return wantarray ? @$res : $res->[-1];
450	} else {
451	reset_signals;
452	local $SIG{__WARN__};
453	local $SIG{__DIE__};
454	# just in case, this hack effectively disables event
455	# in the child. cleaner and slower would be canceling all watchers,
456	# but this works for the time being.
457	local $Coro::idle;
458	$Coro::current->prio (Coro::PRIO_MAX);
459
460	eval {
461	close $fh1;
462
463	my @res = eval { $cb->(@args) };
464
465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
466	close $fh2;
467	};
468
469	warn $@ if $@;
470	_exit 0;
471	}	768	(
		769	"counter value" => cf::object::object_count,
		770	"objects created" => cf::object::create_count,
		771	"objects destroyed" => cf::object::destroy_count,
		772	"freelist size" => cf::object::free_count,
		773	"allocated objects" => cf::object::objects_size,
		774	"active objects" => cf::object::actives_size,
		775	)
		776	}
		777
		778	=item $coin = coin_from_name $name
		779
		780	=cut
		781
		782	our %coin_alias = (
		783	"silver" => "silvercoin",
		784	"silvercoin" => "silvercoin",
		785	"silvercoins" => "silvercoin",
		786	"gold" => "goldcoin",
		787	"goldcoin" => "goldcoin",
		788	"goldcoins" => "goldcoin",
		789	"platinum" => "platinacoin",
		790	"platinumcoin" => "platinacoin",
		791	"platinumcoins" => "platinacoin",
		792	"platina" => "platinacoin",
		793	"platinacoin" => "platinacoin",
		794	"platinacoins" => "platinacoin",
		795	"royalty" => "royalty",
		796	"royalties" => "royalty",
		797	);
		798
		799	sub coin_from_name($) {
		800	$coin_alias{$_[0]}
		801	? cf::arch::find $coin_alias{$_[0]}
		802	: undef
472	}	803	}
473		804
474	=item $value = cf::db_get $family => $key	805	=item $value = cf::db_get $family => $key
475		806
476	Returns a single value from the environment database.	807	Returns a single value from the environment database.
…		…
478	=item cf::db_put $family => $key => $value	809	=item cf::db_put $family => $key => $value
479		810
480	Stores the given C<$value> in the family. It can currently store binary	811	Stores the given C<$value> in the family. It can currently store binary
481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	812	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
482		813
		814	=item $db = cf::db_table "name"
		815
		816	Create and/or open a new database table. The string must not be "db" and must be unique
		817	within each server.
		818
483	=cut	819	=cut
		820
		821	sub db_table($) {
		822	cf::error "db_get called from main context"
		823	if $Coro::current == $Coro::main;
		824
		825	my ($name) = @_;
		826	my $db = BDB::db_create $DB_ENV;
		827
		828	eval {
		829	$db->set_flags (BDB::CHKSUM);
		830
		831	utf8::encode $name;
		832	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		833	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		834	cf::cleanup "db_open(db): $!" if $!;
		835	};
		836	cf::cleanup "db_open(db): $@" if $@;
		837
		838	$db
		839	}
484		840
485	our $DB;	841	our $DB;
486		842
487	sub db_init {	843	sub db_init {
488	unless ($DB) {	844	$DB ||= db_table "db";
489	$DB = BDB::db_create $DB_ENV;
490
491	cf::sync_job {
492	eval {
493	$DB->set_flags (BDB::CHKSUM);
494
495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
497	cf::cleanup "db_open(db): $!" if $!;
498	};
499	cf::cleanup "db_open(db): $@" if $@;
500	};
501	}
502	}	845	}
503		846
504	sub db_get($$) {	847	sub db_get($$) {
505	my $key = "$_[0]/$_[1]";	848	my $key = "$_[0]/$_[1]";
506		849
507	cf::sync_job {	850	cf::error "db_get called from main context"
		851	if $Coro::current == $Coro::main;
		852
508	BDB::db_get $DB, undef, $key, my $data;	853	BDB::db_get $DB, undef, $key, my $data;
509		854
510	$! ? ()	855	$! ? ()
511	: $data	856	: $data
512	}
513	}	857	}
514		858
515	sub db_put($$$) {	859	sub db_put($$$) {
516	BDB::dbreq_pri 4;	860	BDB::dbreq_pri 4;
517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
545		889
546	my @data;	890	my @data;
547	my $md5;	891	my $md5;
548		892
549	for (0 .. $#$src) {	893	for (0 .. $#$src) {
550	0 <= aio_load $src->[$_], $data[$_]	894	$data[$_] = load_file $src->[$_];
551	or Carp::croak "$src->[$_]: $!";
552	}	895	}
553		896
554	# if processing is expensive, check	897	# if processing is expensive, check
555	# checksum first	898	# checksum first
556	if (1) {	899	if (1) {
557	$md5 =	900	$md5 =
558	join "\x00",	901	join "\x00",
559	$processversion,	902	$processversion,
560	map {	903	map {
561	Coro::cede;	904	cf::cede_to_tick;
562	($src->[$_], Digest::MD5::md5_hex $data[$_])	905	($src->[$_], Digest::MD5::md5_hex $data[$_])
563	} 0.. $#$src;	906	} 0.. $#$src;
564		907
565		908
566	my $dbmd5 = db_get cache => "$id/md5";	909	my $dbmd5 = db_get cache => "$id/md5";
…		…
569		912
570	return db_get cache => "$id/data";	913	return db_get cache => "$id/data";
571	}	914	}
572	}	915	}
573		916
574	my $t1 = Time::HiRes::time;	917	my $t1 = EV::time;
575	my $data = $process->(\@data);	918	my $data = $process->(\@data);
576	my $t2 = Time::HiRes::time;	919	my $t2 = EV::time;
577		920
578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	921	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
579		922
580	db_put cache => "$id/data", $data;	923	db_put cache => "$id/data", $data;
581	db_put cache => "$id/md5" , $md5;	924	db_put cache => "$id/md5" , $md5;
582	db_put cache => "$id/meta", $meta;	925	db_put cache => "$id/meta", $meta;
583		926
…		…
593		936
594	=cut	937	=cut
595		938
596	sub datalog($@) {	939	sub datalog($@) {
597	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
599	}	942	}
600		943
601	=back	944	=back
602		945
603	=cut	946	=cut
604		947
605	#############################################################################	948	#############################################################################
606		949
607	=head2 ATTACHABLE OBJECTS	950	=head2 ATTACHABLE OBJECTS
608		951
609	Many objects in crossfire are so-called attachable objects. That means you can	952	Many objects in deliantra are so-called attachable objects. That means you can
610	attach callbacks/event handlers (a collection of which is called an "attachment")	953	attach callbacks/event handlers (a collection of which is called an "attachment")
611	to it. All such attachable objects support the following methods.	954	to it. All such attachable objects support the following methods.
612		955
613	In the following description, CLASS can be any of C<global>, C<object>	956	In the following description, CLASS can be any of C<global>, C<object>
614	C<player>, C<client> or C<map> (i.e. the attachable objects in	957	C<player>, C<client> or C<map> (i.e. the attachable objects in
615	Crossfire TRT).	958	Deliantra).
616		959
617	=over 4	960	=over 4
618		961
619	=item $attachable->attach ($attachment, key => $value...)	962	=item $attachable->attach ($attachment, key => $value...)
620		963
…		…
664	=item cf::CLASS::attachment $name, ...	1007	=item cf::CLASS::attachment $name, ...
665		1008
666	Register an attachment by C<$name> through which attachable objects of the	1009	Register an attachment by C<$name> through which attachable objects of the
667	given CLASS can refer to this attachment.	1010	given CLASS can refer to this attachment.
668		1011
669	Some classes such as crossfire maps and objects can specify attachments	1012	Some classes such as deliantra maps and objects can specify attachments
670	that are attached at load/instantiate time, thus the need for a name.	1013	that are attached at load/instantiate time, thus the need for a name.
671		1014
672	These calls expect any number of the following handler/hook descriptions:	1015	These calls expect any number of the following handler/hook descriptions:
673		1016
674	=over 4	1017	=over 4
…		…
798		1141
799	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
800	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
801		1144
802	} elsif (ref $type) {	1145	} elsif (ref $type) {
803	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
804		1147
805	} else {	1148	} else {
806	shift @arg;	1149	shift @arg;
807	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
808	}	1151	}
809	}	1152	}
810	}	1153	}
811		1154
812	sub _object_attach {	1155	sub _object_attach {
…		…
822	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
823	}	1166	}
824		1167
825	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
826	} else {	1169	} else {
827	warn "object uses attachment '$name' which is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
828	}	1171	}
829		1172
830	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
831	}	1174	}
832		1175
…		…
891		1234
892	for (@$callbacks) {	1235	for (@$callbacks) {
893	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
894		1237
895	if ($@) {	1238	if ($@) {
896	warn "$@";
897	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
898	override;	1240	override;
899	}	1241	}
900		1242
901	return 1 if $override;	1243	return 1 if $override;
902	}	1244	}
903		1245
904	0	1246	0
905	}	1247	}
906		1248
907	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1249	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
908		1250
909	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1251	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
910		1252
911	Generate an object-specific event with the given arguments.	1253	Generate an object-specific event with the given arguments.
912		1254
…		…
919	=cut	1261	=cut
920		1262
921	#############################################################################	1263	#############################################################################
922	# object support	1264	# object support
923		1265
		1266	sub _object_equal($$);
		1267	sub _object_equal($$) {
		1268	my ($a, $b) = @_;
		1269
		1270	return 0 unless (ref $a) eq (ref $b);
		1271
		1272	if ("HASH" eq ref $a) {
		1273	my @ka = keys %$a;
		1274	my @kb = keys %$b;
		1275
		1276	return 0 if @ka != @kb;
		1277
		1278	for (0 .. $#ka) {
		1279	return 0 unless $ka[$_] eq $kb[$_];
		1280	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1281	}
		1282
		1283	} elsif ("ARRAY" eq ref $a) {
		1284
		1285	return 0 if @$a != @$b;
		1286
		1287	for (0 .. $#$a) {
		1288	return 0 unless _object_equal $a->[$_], $b->[$_];
		1289	}
		1290
		1291	} elsif ($a ne $b) {
		1292	return 0;
		1293	}
		1294
		1295	1
		1296	}
		1297
		1298	our $SLOW_MERGES;#d#
		1299	sub _can_merge {
		1300	my ($ob1, $ob2) = @_;
		1301
		1302	++$SLOW_MERGES;#d#
		1303
		1304	# we do the slow way here
		1305	return _object_equal $ob1, $ob2
		1306	}
		1307
924	sub reattach {	1308	sub reattach {
925	# basically do the same as instantiate, without calling instantiate	1309	# basically do the same as instantiate, without calling instantiate
926	my ($obj) = @_;	1310	my ($obj) = @_;
927		1311
		1312	# no longer needed after getting rid of delete_package?
928	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1313	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
929		1314
930	my $registry = $obj->registry;	1315	my $registry = $obj->registry;
931		1316
932	@$registry = ();	1317	@$registry = ();
933		1318
…		…
938	for (@$attach) {	1323	for (@$attach) {
939	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
940	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
941	}	1326	}
942	} else {	1327	} else {
943	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
944	}	1329	}
945	}	1330	}
946	}	1331	}
947		1332
948	cf::attachable->attach (	1333	cf::attachable->attach (
949	prio => -1000000,	1334	prio => -1000000,
950	on_instantiate => sub {	1335	on_instantiate => sub {
951	my ($obj, $data) = @_;	1336	my ($obj, $data) = @_;
952		1337
953	$data = from_json $data;	1338	$data = decode_json $data;
954		1339
955	for (@$data) {	1340	for (@$data) {
956	my ($name, $args) = @$_;	1341	my ($name, $args) = @$_;
957		1342
958	$obj->attach ($name, %{$args || {} });	1343	$obj->attach ($name, %{$args || {} });
…		…
974	sub object_freezer_save {	1359	sub object_freezer_save {
975	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
976		1361
977	sync_job {	1362	sync_job {
978	if (length $$rdata) {	1363	if (length $$rdata) {
		1364	utf8::decode (my $decname = $filename);
979	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
980	$filename, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
981		1368
982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
983	chmod SAVE_MODE, $fh;	1370	aio_chmod $fh, SAVE_MODE;
984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
985	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	}
986	close $fh;	1376	aio_close $fh;
987		1377
988	if (@$objs) {	1378	if (@$objs) {
989	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1379	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
990	chmod SAVE_MODE, $fh;	1380	aio_chmod $fh, SAVE_MODE;
991	my $data = Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
992	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
993	aio_fsync $fh if $cf::USE_FSYNC;	1383	if ($cf::USE_FSYNC) {
		1384	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;
		1385	aio_fsync $fh;
		1386	}
994	close $fh;	1387	aio_close $fh;
995	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
996	}	1389	}
997	} else {	1390	} else {
998	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
999	}	1392	}
1000		1393
1001	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
		1395
		1396	$filename =~ s%/[^/]+$%%;
		1397	aio_pathsync $filename if $cf::USE_FSYNC;
1002	} else {	1398	} else {
1003	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
1004	}	1400	}
1005	} else {	1401	} else {
1006	aio_unlink $filename;	1402	aio_unlink $filename;
1007	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
1008	}	1404	}
1009	}	1405	};
1010	}	1406	}
1011		1407
1012	sub object_freezer_as_string {	1408	sub object_freezer_as_string {
1013	my ($rdata, $objs) = @_;	1409	my ($rdata, $objs) = @_;
1014		1410
…		…
1026	or return;	1422	or return;
1027		1423
1028	unless (aio_stat "$filename.pst") {	1424	unless (aio_stat "$filename.pst") {
1029	(aio_load "$filename.pst", $av) >= 0	1425	(aio_load "$filename.pst", $av) >= 0
1030	or return;	1426	or return;
		1427
1031	$av = eval { (Storable::thaw $av)->{objs} };	1428	my $st = eval { Coro::Storable::thaw $av };
		1429	$av = $st->{objs};
1032	}	1430	}
1033		1431
		1432	utf8::decode (my $decname = $filename);
1034	warn sprintf "loading %s (%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
1035	$filename, length $data, scalar @{$av || []};	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
		1436
1036	return ($data, $av);	1437	($data, $av)
1037	}	1438	}
1038		1439
1039	=head2 COMMAND CALLBACKS	1440	=head2 COMMAND CALLBACKS
1040		1441
1041	=over 4	1442	=over 4
…		…
1043	=cut	1444	=cut
1044		1445
1045	#############################################################################	1446	#############################################################################
1046	# command handling &c	1447	# command handling &c
1047		1448
1048	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
1049		1450
1050	Register a callback for execution when the client sends the user command	1451	Register a callback for execution when the client sends the user command
1051	$name.	1452	$name.
1052		1453
1053	=cut	1454	=cut
…		…
1059	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
1060		1461
1061	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
1062	}	1463	}
1063		1464
1064	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
1065		1466
1066	Register a callback for execution when the client sends an (synchronous)	1467	Register a callback for execution when the client sends an (synchronous)
1067	extcmd packet. Ext commands will be processed in the order they are	1468	extcmd packet. Ext commands will be processed in the order they are
1068	received by the server, like other user commands. The first argument is	1469	received by the server, like other user commands. The first argument is
1069	the logged-in player. Ext commands can only be processed after a player	1470	the logged-in player. Ext commands can only be processed after a player
1070	has logged in successfully.	1471	has logged in successfully.
1071		1472
1072	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1073	called.
1074		1474
		1475	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
1075	=item cf::register_exticmd $name => \&callback($ns,$packet);	1480	=item cf::register_exticmd $name => \&callback($ns,@args)
1076		1481
1077	Register a callback for execution when the client sends an (asynchronous)	1482	Register a callback for execution when the client sends an (asynchronous)
1078	exticmd packet. Exti commands are processed by the server as soon as they	1483	exticmd packet. Exti commands are processed by the server as soon as they
1079	are received, i.e. out of order w.r.t. other commands. The first argument	1484	are received, i.e. out of order w.r.t. other commands. The first argument
1080	is a client socket. Exti commands can be received anytime, even before	1485	is a client socket. Exti commands can be received anytime, even before
1081	log-in.	1486	log-in.
1082		1487
1083	If the callback returns something, it is sent back as if reply was being	1488	The values will be sent back to the client.
1084	called.
1085		1489
1086	=cut	1490	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1087		1491
		1492	Same as C<cf::register_extcmd>, but instead of returning values, the
		1493	callback needs to clal the C<$reply> function.
		1494
		1495	=cut
		1496
1088	sub register_extcmd {	1497	sub register_extcmd($$) {
1089	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
1090		1499
1091	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
1092	}	1501	}
1093		1502
1094	sub register_exticmd {	1503	sub register_async_extcmd($$) {
1095	my ($name, $cb) = @_;	1504	my ($name, $cb) = @_;
1096		1505
		1506	$EXTACMD{$name} = $cb;
		1507	}
		1508
		1509	sub register_exticmd($$) {
		1510	my ($name, $cb) = @_;
		1511
1097	$EXTICMD{$name} = $cb;	1512	$EXTICMD{$name} = $cb;
1098	}	1513	}
1099		1514
		1515	sub register_async_exticmd($$) {
		1516	my ($name, $cb) = @_;
		1517
		1518	$EXTIACMD{$name} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
1100	cf::player->attach (	1523	cf::player->attach (
1101	on_command => sub {	1524	on_unknown_command => sub {
1102	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
1103		1526
1104	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
1105	or return;	1528	or return;
1106		1529
…		…
1114	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
1115		1538
1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1117		1540
1118	if (ref $msg) {	1541	if (ref $msg) {
		1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1543
1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1544	if (my $cb = $EXTACMD{$type}) {
1120	if (my %reply = $cb->($pl, $msg)) {	1545	$cb->(
1121	$pl->ext_reply ($msg->{msgid}, %reply);	1546	$pl,
		1547	sub {
		1548	$pl->ext_msg ("reply-$reply", @_)
		1549	if $reply;
		1550	},
		1551	@payload
		1552	);
		1553	} else {
		1554	my @reply;
		1555
		1556	if (my $cb = $EXTCMD{$type}) {
		1557	@reply = $cb->($pl, @payload);
1122	}	1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
1123	}	1562	}
		1563
1124	} else {	1564	} else {
1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1126	}	1566	}
1127		1567
1128	cf::override;	1568	cf::override;
1129	},	1569	},
1130	);	1570	);
1131		1571
		1572	# "readahead" all extensions
		1573	sub cache_extensions {
		1574	my $grp = IO::AIO::aio_group;
		1575
		1576	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1577	for (grep /\.ext$/, @{$_[0]}) {
		1578	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1579	}
		1580	};
		1581
		1582	$grp
		1583	}
		1584
		1585	sub _ext_cfg_reg($$$$) {
		1586	my ($rvar, $varname, $cfgname, $default) = @_;
		1587
		1588	$cfgname = lc $varname
		1589	unless length $cfgname;
		1590
		1591	$EXT_CFG{$cfgname} = [$rvar, $default];
		1592
		1593	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1594	}
		1595
1132	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
1133	cf::sync_job {	1601	cf::sync_job {
1134	my %todo;	1602	my %todo;
1135		1603
1136	for my $path (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
1137	next unless -r $path;	1605	next unless -r $path;
…		…
1155		1623
1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1624	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1625	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1158		1626
1159	$ext{source} =	1627	$ext{source} =
1160	"package $pkg; use strict; use utf8;\n"	1628	"package $pkg; use common::sense;\n"
1161	. "#line 1 \"$path\"\n{\n"	1629	. "#line 1 \"$path\"\n{\n"
1162	. $source	1630	. $source
1163	. "\n};\n1";	1631	. "\n};\n1";
1164		1632
1165	$todo{$base} = \%ext;	1633	$todo{$base} = \%ext;
1166	}	1634	}
1167		1635
		1636	my $pass = 0;
1168	my %done;	1637	my %done;
1169	while (%todo) {	1638	while (%todo) {
1170	my $progress;	1639	my $progress;
1171		1640
		1641	++$pass;
		1642
		1643	ext:
1172	while (my ($k, $v) = each %todo) {	1644	while (my ($k, $v) = each %todo) {
1173	for (split /,\s*/, $v->{meta}{depends}) {	1645	for (split /,\s*/, $v->{meta}{depends}) {
1174	goto skip	1646	next ext
1175	unless exists $done{$_};	1647	unless exists $done{$_};
1176	}	1648	}
1177		1649
1178	warn "... loading '$k' into '$v->{pkg}'\n";	1650	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1179		1651
1180	unless (eval $v->{source}) {	1652	my $source = $v->{source};
		1653
		1654	# support "CONF varname :confname = default" pseudo-statements
		1655	$source =~ s{
		1656	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1657	}{
		1658	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1659	}gmxe;
		1660
		1661	my $active = eval $source;
		1662
		1663	if (length $@) {
1181	my $msg = $@ ? "$v->{path}: $@\n"	1664	error "$v->{path}: $@\n";
1182	: "$v->{base}: extension inactive.\n";
1183		1665
		1666	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1184	if (exists $v->{meta}{mandatory}) {	1667	if exists $v->{meta}{mandatory};
1185	warn $msg;	1668
1186	warn "mandatory extension failed to load, exiting.\n";	1669	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1187	exit 1;	1670	delete $todo{$k};
1188	}	1671	} else {
1189		1672	$done{$k} = delete $todo{$k};
1190	warn $msg;	1673	push @EXTS, $v->{pkg};
		1674	$progress = 1;
		1675
		1676	info "$v->{base}: extension inactive.\n"
		1677	unless $active;
1191	}	1678	}
1192
1193	$done{$k} = delete $todo{$k};
1194	push @EXTS, $v->{pkg};
1195	$progress = 1;
1196	}	1679	}
1197		1680
1198	skip:	1681	unless ($progress) {
1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1682	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1200	unless $progress;	1683
		1684	while (my ($k, $v) = each %todo) {
		1685	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1686	if exists $v->{meta}{mandatory};
		1687	}
		1688
		1689	last;
		1690	}
1201	}	1691	}
1202	};	1692	};
1203	}	1693	}
1204		1694
1205	#############################################################################	1695	#############################################################################
1206		1696
1207	=back	1697	=back
1208		1698
1209	=head2 CORE EXTENSIONS	1699	=head2 CORE EXTENSIONS
1210		1700
1211	Functions and methods that extend core crossfire objects.	1701	Functions and methods that extend core deliantra objects.
1212		1702
1213	=cut	1703	=cut
1214		1704
1215	package cf::player;	1705	package cf::player;
1216		1706
1217	use Coro::AIO;	1707	use Coro::AIO;
1218		1708
1219	=head3 cf::player	1709	=head3 cf::player
1220		1710
1221	=over 4	1711	=over 4
		1712
		1713	=item cf::player::num_playing
		1714
		1715	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1716
		1717	=cut
		1718
		1719	sub num_playing {
		1720	scalar grep
		1721	$_->ob->map
		1722	&& !$_->hidden
		1723	&& !$_->ob->flag (cf::FLAG_WIZ),
		1724	cf::player::list
		1725	}
1222		1726
1223	=item cf::player::find $login	1727	=item cf::player::find $login
1224		1728
1225	Returns the given player object, loading it if necessary (might block).	1729	Returns the given player object, loading it if necessary (might block).
1226		1730
…		…
1245		1749
1246	sub exists($) {	1750	sub exists($) {
1247	my ($login) = @_;	1751	my ($login) = @_;
1248		1752
1249	$cf::PLAYER{$login}	1753	$cf::PLAYER{$login}
1250	or cf::sync_job { !aio_stat path $login }	1754	or !aio_stat path $login
1251	}	1755	}
1252		1756
1253	sub find($) {	1757	sub find($) {
1254	return $cf::PLAYER{$_[0]} || do {	1758	return $cf::PLAYER{$_[0]} || do {
1255	my $login = $_[0];	1759	my $login = $_[0];
…		…
1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1766	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1767	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1768	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1265	aio_unlink +(playerdir $login) . "/$login.pl";	1769	aio_unlink +(playerdir $login) . "/$login.pl";
1266		1770
1267	my $pl = load_pl path $login	1771	my $f = new_from_file cf::object::thawer path $login
1268	or return;	1772	or return;
		1773
		1774	my $pl = cf::player::load_pl $f
		1775	or return;
		1776
		1777	local $cf::PLAYER_LOADING{$login} = $pl;
		1778	$f->resolve_delayed_derefs;
1269	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1270	}	1780	}
1271	}	1781	}
1272	}	1782	}
		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($pl, $path) = @_;
		1787
		1788	# restore slots saved in save, below
		1789	my $slots = delete $pl->{_slots};
		1790
		1791	$pl->ob->current_weapon ($slots->[0]);
		1792	$pl->combat_ob ($slots->[1]);
		1793	$pl->ranged_ob ($slots->[2]);
		1794	},
		1795	);
1273		1796
1274	sub save($) {	1797	sub save($) {
1275	my ($pl) = @_;	1798	my ($pl) = @_;
1276		1799
1277	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
…		…
1282	return if $pl->{deny_save};	1805	return if $pl->{deny_save};
1283		1806
1284	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1285	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
1286		1809
		1810	cf::get_slot 0.01;
		1811
		1812	# save slots, to be restored later
		1813	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1814
1287	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1288	Coro::cede;	1816	cf::cede_to_tick;
1289	}	1817	}
1290		1818
1291	sub new($) {	1819	sub new($) {
1292	my ($login) = @_;	1820	my ($login) = @_;
1293		1821
…		…
1299	$cf::PLAYER{$login} = $self;	1827	$cf::PLAYER{$login} = $self;
1300		1828
1301	$self	1829	$self
1302	}	1830	}
1303		1831
		1832	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1833
		1834	=cut
		1835
		1836	sub send_msg {
		1837	my $ns = shift->ns
		1838	or return;
		1839	$ns->send_msg (@_);
		1840	}
		1841
1304	=item $pl->quit_character	1842	=item $pl->quit_character
1305		1843
1306	Nukes the player without looking back. If logged in, the connection will	1844	Nukes the player without looking back. If logged in, the connection will
1307	be destroyed. May block for a long time.	1845	be destroyed. May block for a long time.
1308		1846
…		…
1312	my ($pl) = @_;	1850	my ($pl) = @_;
1313		1851
1314	my $name = $pl->ob->name;	1852	my $name = $pl->ob->name;
1315		1853
1316	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1317	$pl->password ("*"); # this should lock out the player until we nuked the dir	1855	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1318		1856
1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1320	$pl->deactivate;	1858	$pl->deactivate;
		1859
		1860	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1322	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1323		1865
1324	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1325	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1326	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
…		…
1361	or return [];	1903	or return [];
1362		1904
1363	my @logins;	1905	my @logins;
1364		1906
1365	for my $login (@$dirs) {	1907	for my $login (@$dirs) {
		1908	my $path = path $login;
		1909
		1910	# a .pst is a dead give-away for a valid player
		1911	# if no pst file found, open and chekc for blocked users
		1912	if (aio_stat "$path.pst") {
1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1913	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1367	aio_read $fh, 0, 512, my $buf, 0 or next;	1914	aio_read $fh, 0, 512, my $buf, 0 or next;
1368	$buf !~ /^password -------------$/m or next; # official not-valid tag	1915	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1916	}
1369		1917
1370	utf8::decode $login;	1918	utf8::decode $login;
1371	push @logins, $login;	1919	push @logins, $login;
1372	}	1920	}
1373		1921
1374	\@logins	1922	\@logins
1375	}	1923	}
1376		1924
1377	=item $player->maps	1925	=item $player->maps
		1926
		1927	=item cf::player::maps $login
1378		1928
1379	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1380	player. May block.	1930	player. May block.
1381		1931
1382	=cut	1932	=cut
…		…
1400	}	1950	}
1401		1951
1402	\@paths	1952	\@paths
1403	}	1953	}
1404		1954
1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1406		1956
1407	Expand crossfire pod fragments into protocol xml.	1957	Expand deliantra pod fragments into protocol xml.
1408		1958
1409	=cut
1410
1411	sub expand_cfpod {
1412	((my $self), (local $_)) = @_;
1413
1414	# escape & and <
1415	s/&/&amp;/g;
1416	s/(?<![BIUGH])</&lt;/g;
1417
1418	# this is buggy, it needs to properly take care of nested <'s
1419
1420	1 while
1421	# replace B<>, I<>, U<> etc.
1422	s/B<([^\>]*)>/<b>$1<\/b>/
1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
1425	# replace G<male|female> tags
1426	|| s{G<([^>|]*)\|([^>]*)>}{
1427	$self->gender ? $2 : $1
1428	}ge
1429	# replace H<hint text>
1430	|| s{H<([^\>]*)>}
1431	{
1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1434	"")
1435	[$self->{hintmode}]
1436	}ge;
1437
1438	# create single paragraphs (very hackish)
1439	s/(?<=\S)\n(?=\w)/ /g;
1440
1441	# compress some whitespace
1442	s/\s+\n/\n/g; # ws line-ends
1443	s/\n\n+/\n/g; # double lines
1444	s/^\n+//; # beginning lines
1445	s/\n+$//; # ending lines
1446
1447	$_
1448	}
1449
1450	sub hintmode {
1451	$_[0]{hintmode} = $_[1] if @_ > 1;
1452	$_[0]{hintmode}
1453	}
1454
1455	=item $player->ext_reply ($msgid, %msg)
1456
1457	Sends an ext reply to the player.
1458
1459	=cut
1460
1461	sub ext_reply($$%) {
1462	my ($self, $id, %msg) = @_;
1463
1464	$msg{msgid} = $id;
1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1466	}
1467
1468	=item $player->ext_event ($type, %msg)	1959	=item $player->ext_msg ($type, @msg)
1469		1960
1470	Sends an ext event to the client.	1961	Sends an ext event to the client.
1471		1962
1472	=cut	1963	=cut
1473		1964
1474	sub ext_event($$%) {	1965	sub ext_msg($$@) {
1475	my ($self, $type, %msg) = @_;	1966	my ($self, $type, @msg) = @_;
1476		1967
1477	$self->ns->ext_event ($type, %msg);	1968	$self->ns->ext_msg ($type, @msg);
1478	}	1969	}
1479		1970
1480	=head3 cf::region	1971	=head3 cf::region
1481		1972
1482	=over 4	1973	=over 4
…		…
1491		1982
1492	=cut	1983	=cut
1493		1984
1494	sub find_by_path($) {	1985	sub find_by_path($) {
1495	my ($path) = @_;	1986	my ($path) = @_;
		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
1496		1989
1497	my ($match, $specificity);	1990	my ($match, $specificity);
1498		1991
1499	for my $region (list) {	1992	for my $region (list) {
1500	if ($region->{match} && $path =~ $region->{match}) {	1993	if ($region->{match} && $path =~ $region->{match}) {
…		…
1526	our $MAX_RESET = 3600;	2019	our $MAX_RESET = 3600;
1527	our $DEFAULT_RESET = 3000;	2020	our $DEFAULT_RESET = 3000;
1528		2021
1529	sub generate_random_map {	2022	sub generate_random_map {
1530	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1531	# mit "rum" bekleckern, nicht	2024
		2025	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2026
1532	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1536	$rmp->{exit_on_final_map},
1537	$rmp->{xsize}, $rmp->{ysize},
1538	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1539	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1540	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1541	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1542	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1543	(cf::region::find $rmp->{region}), $rmp->{custom}
1544	)
1545	}	2028	}
1546		2029
1547	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1548		2031
1549	Register a handler for the map path matching the given regex at the	2032	Register a handler for the map path matching the given regex at the
…		…
1554		2037
1555	sub register {	2038	sub register {
1556	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1557	my $pkg = caller;	2040	my $pkg = caller;
1558		2041
1559	no strict;
1560	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1561		2043
1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1563	}	2045	}
1564		2046
1565	# also paths starting with '/'	2047	# also paths starting with '/'
1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1567		2049
1568	sub thawer_merge {	2050	sub thawer_merge {
1569	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1570		2052
1571	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
…		…
1576	}	2058	}
1577		2059
1578	sub normalise {	2060	sub normalise {
1579	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1580		2062
1581	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1582		2064
1583	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1584		2066
1585	# map plan:	2067	# map plan:
1586	#	2068	#
…		…
1601	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1602	$path = "$base/$path";	2084	$path = "$base/$path";
1603	}	2085	}
1604		2086
1605	for ($path) {	2087	for ($path) {
1606	redo if s{//}{/};
1607	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1608	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1609	}	2090	}
1610		2091
1611	$path	2092	$path
…		…
1625	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1626	return $self;	2107	return $self;
1627	}	2108	}
1628	}	2109	}
1629		2110
1630	Carp::cluck "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1631	()	2112	()
1632	}	2113	}
1633		2114
		2115	# may re-bless or do other evil things
1634	sub init {	2116	sub init {
1635	my ($self) = @_;	2117	my ($self) = @_;
1636		2118
1637	$self	2119	$self
1638	}	2120	}
…		…
1657		2139
1658	# the temporary/swap location	2140	# the temporary/swap location
1659	sub save_path {	2141	sub save_path {
1660	my ($self) = @_;	2142	my ($self) = @_;
1661		2143
1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2144	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1663	"$TMPDIR/$path.map"	2145	"$TMPDIR/$path.map"
1664	}	2146	}
1665		2147
1666	# the unique path, undef == no special unique path	2148	# the unique path, undef == no special unique path
1667	sub uniq_path {	2149	sub uniq_path {
1668	my ($self) = @_;	2150	my ($self) = @_;
1669		2151
1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1671	"$UNIQUEDIR/$path"	2153	"$UNIQUEDIR/$path"
1672	}
1673
1674	# and all this just because we cannot iterate over
1675	# all maps in C++...
1676	sub change_all_map_light {
1677	my ($change) = @_;
1678
1679	$_->change_map_light ($change)
1680	for grep $_->outdoor, values %cf::MAP;
1681	}	2154	}
1682		2155
1683	sub decay_objects {	2156	sub decay_objects {
1684	my ($self) = @_;	2157	my ($self) = @_;
1685		2158
…		…
1698		2171
1699	sub load_header_from($) {	2172	sub load_header_from($) {
1700	my ($self, $path) = @_;	2173	my ($self, $path) = @_;
1701		2174
1702	utf8::encode $path;	2175	utf8::encode $path;
1703	#aio_open $path, O_RDONLY, 0	2176	my $f = new_from_file cf::object::thawer $path
1704	# or return;
1705
1706	$self->_load_header ($path)
1707	or return;	2177	or return;
1708		2178
		2179	$self->_load_header ($f)
		2180	or return;
		2181
		2182	local $MAP_LOADING{$self->{path}} = $self;
		2183	$f->resolve_delayed_derefs;
		2184
1709	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1710		2186
1711	1	2187	1
1712	}	2188	}
1713		2189
		2190	# used to laod the header of an original map
1714	sub load_header_orig {	2191	sub load_header_orig {
1715	my ($self) = @_;	2192	my ($self) = @_;
1716		2193
1717	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1718	}	2195	}
1719		2196
		2197	# used to laod the header of an instantiated map
1720	sub load_header_temp {	2198	sub load_header_temp {
1721	my ($self) = @_;	2199	my ($self) = @_;
1722		2200
1723	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1724	}	2202	}
1725		2203
		2204	# called after loading the header from an instantiated map
1726	sub prepare_temp {	2205	sub prepare_temp {
1727	my ($self) = @_;	2206	my ($self) = @_;
1728		2207
1729	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1730	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1731	# safety	2210	# safety
1732	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
1733	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
1734	}	2213	}
1735		2214
		2215	# called after loading the header from an original map
1736	sub prepare_orig {	2216	sub prepare_orig {
1737	my ($self) = @_;	2217	my ($self) = @_;
1738		2218
1739	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
1740	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1764		2244
1765	sub find;	2245	sub find;
1766	sub find {	2246	sub find {
1767	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
1768		2248
		2249	cf::cede_to_tick;
		2250
1769	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
1770		2252
		2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1771	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
1772		2255
1773	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
1774	my $guard = cf::lock_acquire "map_find:$path";
1775	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
1776	or return;	2258	or return;
1777		2259
1778	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
1779		2261
…		…
1781	or return;	2263	or return;
1782		2264
1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2265	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1784	# doing this can freeze the server in a sync job, obviously	2266	# doing this can freeze the server in a sync job, obviously
1785	#$cf::WAIT_FOR_TICK->wait;	2267	#$cf::WAIT_FOR_TICK->wait;
		2268	undef $guard2;
		2269	undef $guard1;
1786	$map->reset;	2270	$map->reset;
1787	undef $guard;
1788	return find $path;	2271	return find $path;
1789	}	2272	}
1790		2273
1791	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
1792	}	2275	}
1793	}	2276	}
1794		2277
1795	sub pre_load { }	2278	sub pre_load { }
1796	sub post_load { }	2279	#sub post_load { } # XS
1797		2280
1798	sub load {	2281	sub load {
1799	my ($self) = @_;	2282	my ($self) = @_;
1800		2283
1801	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
1802		2285
1803	my $path = $self->{path};	2286	my $path = $self->{path};
1804		2287
1805	{	2288	{
1806	my $guard = cf::lock_acquire "map_load:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
1807		2290
		2291	return unless $self->valid;
1808	return if $self->in_memory != cf::MAP_SWAPPED;	2292	return unless $self->state == cf::MAP_SWAPPED;
1809
1810	$self->in_memory (cf::MAP_LOADING);
1811		2293
1812	$self->alloc;	2294	$self->alloc;
1813		2295
1814	$self->pre_load;	2296	$self->pre_load;
1815	Coro::cede;	2297	cf::cede_to_tick;
1816		2298
1817	$self->_load_objects ($self->{load_path}, 1)	2299	if (exists $self->{load_path}) {
		2300	my $f = new_from_file cf::object::thawer $self->{load_path};
		2301	$f->skip_block;
		2302	$self->_load_objects ($f)
1818	or return;	2303	or return;
1819		2304
1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2305	$self->post_load_original
1821	if delete $self->{load_original};	2306	if delete $self->{load_original};
1822		2307
1823	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
1824	utf8::encode $uniq;	2309	utf8::encode $uniq;
1825	if (aio_open $uniq, O_RDONLY, 0) {	2310	unless (aio_stat $uniq) {
		2311	if (my $f = new_from_file cf::object::thawer $uniq) {
1826	$self->clear_unique_items;	2312	$self->clear_unique_items;
1827	$self->_load_objects ($uniq, 0);	2313	$self->_load_objects ($f);
		2314	$f->resolve_delayed_derefs;
		2315	}
		2316	}
1828	}	2317	}
1829	}
1830		2318
1831	Coro::cede;	2319	$f->resolve_delayed_derefs;
		2320	} else {
		2321	$self->post_load_original
		2322	if delete $self->{load_original};
		2323	}
		2324
		2325	$self->state (cf::MAP_INACTIVE);
		2326
		2327	cf::cede_to_tick;
1832	# now do the right thing for maps	2328	# now do the right thing for maps
1833	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
1834	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
1835	unless $self->difficulty;	2331	unless $self->difficulty;
1836	Coro::cede;	2332	cf::cede_to_tick;
1837		2333
1838	unless ($self->{deny_activate}) {	2334	unless ($self->{deny_activate}) {
1839	$self->decay_objects;	2335	$self->decay_objects;
1840	$self->fix_auto_apply;	2336	$self->fix_auto_apply;
1841	$self->update_buttons;	2337	$self->update_buttons;
1842	Coro::cede;	2338	cf::cede_to_tick;
1843	$self->set_darkness_map;	2339	#$self->activate; # no longer activate maps automatically
1844	Coro::cede;
1845	$self->activate;
1846	}	2340	}
1847		2341
1848	$self->in_memory (cf::MAP_IN_MEMORY);	2342	$self->{last_save} = $cf::RUNTIME;
		2343	$self->last_access ($cf::RUNTIME);
1849	}	2344	}
1850		2345
1851	$self->post_load;	2346	$self->post_load;
1852	}
1853		2347
		2348	1
		2349	}
		2350
		2351	# customize the map for a given player, i.e.
		2352	# return the _real_ map. used by e.g. per-player
		2353	# maps to change the path to ~playername/mappath
1854	sub customise_for {	2354	sub customise_for {
1855	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
1856		2356
1857	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
1858	if $self->per_player;	2358	if $self->per_player;
…		…
1861	# if $self->per_party;	2361	# if $self->per_party;
1862		2362
1863	$self	2363	$self
1864	}	2364	}
1865		2365
1866	# find and load all maps in the 3x3 area around a map
1867	sub load_diag {
1868	my ($map) = @_;
1869
1870	my @diag; # diagonal neighbours
1871
1872	for (0 .. 3) {
1873	my $neigh = $map->tile_path ($_)
1874	or next;
1875	$neigh = find $neigh, $map
1876	or next;
1877	$neigh->load;
1878
1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1881	}
1882
1883	for (@diag) {
1884	my $neigh = find @$_
1885	or next;
1886	$neigh->load;
1887	}
1888	}
1889
1890	sub find_sync {	2366	sub find_sync {
1891	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
1892		2368
1893	cf::sync_job { find $path, $origin }	2369	# it's a bug to call this from the main context
		2370	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2371	if $Coro::current == $Coro::main;
		2372
		2373	find $path, $origin
1894	}	2374	}
1895		2375
1896	sub do_load_sync {	2376	sub do_load_sync {
1897	my ($map) = @_;	2377	my ($map) = @_;
1898		2378
1899	cf::sync_job { $map->load };	2379	# it's a bug to call this from the main context
		2380	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2381	if $Coro::current == $Coro::main;
		2382
		2383	$map->load;
1900	}	2384	}
1901		2385
1902	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
1903	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
1904		2388
1905	sub find_async {	2389	sub find_async {
1906	my ($path, $origin) = @_;	2390	my ($path, $origin, $load) = @_;
1907		2391
1908	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
1909		2393
1910	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2395	return $map if !$load || $map->linkable;
1912	}	2396	}
1913		2397
1914	undef $MAP_PREFETCH{$path};	2398	$MAP_PREFETCH{$path} |= $load;
		2399
1915	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
		2401	$Coro::current->{desc} = "map prefetcher";
		2402
1916	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
1917	for my $path (keys %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
1918	if (my $map = find $path) {	2405	if (my $map = find $k) {
1919	$map->load;	2406	$map->load if $MAP_PREFETCH{$k};
1920	}	2407	}
1921		2408
1922	delete $MAP_PREFETCH{$path};	2409	delete $MAP_PREFETCH{$k};
1923	}	2410	}
1924	}	2411	}
1925	undef $MAP_PREFETCHER;	2412	undef $MAP_PREFETCHER;
1926	};	2413	};
1927	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
1928		2415
1929	()	2416	()
1930	}	2417	}
1931		2418
		2419	# common code, used by both ->save and ->swapout
1932	sub save {	2420	sub _save {
1933	my ($self) = @_;	2421	my ($self) = @_;
1934
1935	my $lock = cf::lock_acquire "map_data:" . $self->path;
1936		2422
1937	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
1938		2424
1939	return unless $self->dirty;	2425	return unless $self->dirty;
1940		2426
…		…
1946	return if $self->{deny_save};	2432	return if $self->{deny_save};
1947		2433
1948	local $self->{last_access} = $self->last_access;#d#	2434	local $self->{last_access} = $self->last_access;#d#
1949		2435
1950	cf::async {	2436	cf::async {
		2437	$Coro::current->{desc} = "map player save";
1951	$_->contr->save for $self->players;	2438	$_->contr->save for $self->players;
1952	};	2439	};
		2440
		2441	cf::get_slot 0.02;
1953		2442
1954	if ($uniq) {	2443	if ($uniq) {
1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2444	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2445	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1957	} else {	2446	} else {
1958	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2447	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1959	}	2448	}
1960	}	2449	}
1961		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
1962	sub swap_out {	2459	sub swap_out {
1963	my ($self) = @_;	2460	my ($self) = @_;
1964		2461
1965	# save first because save cedes
1966	$self->save;
1967
1968	my $lock = cf::lock_acquire "map_data:" . $self->path;	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
1969		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
1970	return if $self->players;	2466	return if $self->players;
1971	return if $self->in_memory != cf::MAP_IN_MEMORY;
1972	return if $self->{deny_save};
1973		2467
		2468	# first deactivate the map and "unlink" it from the core
		2469	$self->deactivate;
		2470	$_->clear_links_to ($self) for values %cf::MAP;
		2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# then atomically save
		2474	$self->_save;
		2475
		2476	# then free the map
1974	$self->clear;	2477	$self->clear;
1975	$self->in_memory (cf::MAP_SWAPPED);
1976	}	2478	}
1977		2479
1978	sub reset_at {	2480	sub reset_at {
1979	my ($self) = @_;	2481	my ($self) = @_;
1980		2482
…		…
1998		2500
1999	my $lock = cf::lock_acquire "map_data:$self->{path}";	2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
2000		2502
2001	return if $self->players;	2503	return if $self->players;
2002		2504
2003	warn "resetting map ", $self->path;	2505	cf::trace "resetting map ", $self->path, "\n";
2004		2506
2005	$self->in_memory (cf::MAP_SWAPPED);	2507	$self->state (cf::MAP_SWAPPED);
2006		2508
2007	# need to save uniques path	2509	# need to save uniques path
2008	unless ($self->{deny_save}) {	2510	unless ($self->{deny_save}) {
2009	my $uniq = $self->uniq_path; utf8::encode $uniq;	2511	my $uniq = $self->uniq_path; utf8::encode $uniq;
2010		2512
…		…
2012	if $uniq;	2514	if $uniq;
2013	}	2515	}
2014		2516
2015	delete $cf::MAP{$self->path};	2517	delete $cf::MAP{$self->path};
2016		2518
		2519	$self->deactivate;
		2520	$_->clear_links_to ($self) for values %cf::MAP;
2017	$self->clear;	2521	$self->clear;
2018
2019	$_->clear_links_to ($self) for values %cf::MAP;
2020		2522
2021	$self->unlink_save;	2523	$self->unlink_save;
2022	$self->destroy;	2524	$self->destroy;
2023	}	2525	}
2024		2526
2025	my $nuke_counter = "aaaa";	2527	my $nuke_counter = "aaaa";
2026		2528
2027	sub nuke {	2529	sub nuke {
2028	my ($self) = @_;	2530	my ($self) = @_;
2029		2531
		2532	{
		2533	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2534
2030	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
2031		2536
2032	$self->unlink_save;	2537	$self->unlink_save;
2033		2538
2034	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
2035	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
2036	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
2037	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2039		2544
2040	$cf::MAP{$self->path} = $self;	2545	$cf::MAP{$self->path} = $self;
		2546	}
2041		2547
2042	$self->reset; # polite request, might not happen	2548	$self->reset; # polite request, might not happen
2043	}	2549	}
2044		2550
2045	=item $maps = cf::map::tmp_maps	2551	=item $maps = cf::map::tmp_maps
…		…
2087		2593
2088	sub unique_maps() {	2594	sub unique_maps() {
2089	[	2595	[
2090	map {	2596	map {
2091	utf8::decode $_;	2597	utf8::decode $_;
2092	/\.map$/	2598	s/\.map$//; # TODO future compatibility hack
		2599	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2600	? ()
2093	? normalise $_	2601	: normalise $_
2094	: ()
2095	} @{ aio_readdir $UNIQUEDIR or [] }	2602	} @{ aio_readdir $UNIQUEDIR or [] }
2096	]	2603	]
2097	}	2604	}
2098		2605
2099	package cf;	2606	=item cf::map::static_maps
		2607
		2608	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2609	file in the shared directory excluding F</styles> and F</editor>). May
		2610	block.
		2611
		2612	=cut
		2613
		2614	sub static_maps() {
		2615	my @dirs = "";
		2616	my @maps;
		2617
		2618	while (@dirs) {
		2619	my $dir = shift @dirs;
		2620
		2621	next if $dir eq "/styles" || $dir eq "/editor";
		2622
		2623	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2624	or return;
		2625
		2626	for (@$files) {
		2627	s/\.map$// or next;
		2628	utf8::decode $_;
		2629	push @maps, "$dir/$_";
		2630	}
		2631
		2632	push @dirs, map "$dir/$_", @$dirs;
		2633	}
		2634
		2635	\@maps
		2636	}
2100		2637
2101	=back	2638	=back
2102		2639
2103	=head3 cf::object	2640	=head3 cf::object
2104		2641
…		…
2108		2645
2109	=over 4	2646	=over 4
2110		2647
2111	=item $ob->inv_recursive	2648	=item $ob->inv_recursive
2112		2649
2113	Returns the inventory of the object _and_ their inventories, recursively.	2650	Returns the inventory of the object I<and> their inventories, recursively,
		2651	but I<not> the object itself.
2114		2652
2115	=cut	2653	=cut
2116		2654
2117	sub inv_recursive_;	2655	sub inv_recursive_;
2118	sub inv_recursive_ {	2656	sub inv_recursive_ {
…		…
2121		2659
2122	sub inv_recursive {	2660	sub inv_recursive {
2123	inv_recursive_ inv $_[0]	2661	inv_recursive_ inv $_[0]
2124	}	2662	}
2125		2663
		2664	=item $ref = $ob->ref
		2665
		2666	Creates and returns a persistent reference to an object that can be stored as a string.
		2667
		2668	=item $ob = cf::object::deref ($refstring)
		2669
		2670	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2671	even if the object actually exists. May block.
		2672
		2673	=cut
		2674
		2675	sub deref {
		2676	my ($ref) = @_;
		2677
		2678	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2679	my ($uuid, $name) = ($1, $2);
		2680	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2681	or return;
		2682	$pl->ob->uuid eq $uuid
		2683	or return;
		2684
		2685	$pl->ob
		2686	} else {
		2687	warn "$ref: cannot resolve object reference\n";
		2688	undef
		2689	}
		2690	}
		2691
2126	package cf;	2692	package cf;
2127		2693
2128	=back	2694	=back
2129		2695
2130	=head3 cf::object::player	2696	=head3 cf::object::player
…		…
2136	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2702	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2137	can be C<undef>. Does the right thing when the player is currently in a	2703	can be C<undef>. Does the right thing when the player is currently in a
2138	dialogue with the given NPC character.	2704	dialogue with the given NPC character.
2139		2705
2140	=cut	2706	=cut
		2707
		2708	our $SAY_CHANNEL = {
		2709	id => "say",
		2710	title => "Map",
		2711	reply => "say ",
		2712	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2713	};
		2714
		2715	our $CHAT_CHANNEL = {
		2716	id => "chat",
		2717	title => "Chat",
		2718	reply => "chat ",
		2719	tooltip => "Player chat and shouts, global to the server.",
		2720	};
2141		2721
2142	# rough implementation of a future "reply" method that works	2722	# rough implementation of a future "reply" method that works
2143	# with dialog boxes.	2723	# with dialog boxes.
2144	#TODO: the first argument must go, split into a $npc->reply_to ( method	2724	#TODO: the first argument must go, split into a $npc->reply_to ( method
2145	sub cf::object::player::reply($$$;$) {	2725	sub cf::object::player::reply($$$;$) {
…		…
2152		2732
2153	} else {	2733	} else {
2154	my $pl = $self->contr;	2734	my $pl = $self->contr;
2155		2735
2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2736	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2157	my $diag = $pl->{npc_dialog};	2737	my $dialog = $pl->{npc_dialog};
2158	$diag->{pl}->ext_reply (	2738	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2159	$diag->{id},
2160	msgtype => "reply",
2161	msg => $diag->{pl}->expand_cfpod ($msg),
2162	add_topics => []
2163	);
2164		2739
2165	} else {	2740	} else {
2166	$msg = $npc->name . " says: $msg" if $npc;	2741	$msg = $npc->name . " says: $msg" if $npc;
2167	$self->message ($msg, $flags);	2742	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2168	}	2743	}
2169	}	2744	}
		2745	}
		2746
		2747	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2748
		2749	=cut
		2750
		2751	sub cf::object::send_msg {
		2752	my $pl = shift->contr
		2753	or return;
		2754	$pl->send_msg (@_);
2170	}	2755	}
2171		2756
2172	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
2173		2758
2174	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
2175	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
2176		2761
		2762	This is implemented by checking a config setting of C<may_access> where
		2763	C<access> is replaced by the access string. The following alternatives are
		2764	possible (and are tested in order):
		2765
		2766	=over 4
		2767
		2768	=item * Player is DM
		2769
		2770	The request will succeed.
		2771
		2772	=item * may_access is an array reference
		2773
		2774	If either the player nickname or UUID is in the array, the request will
		2775	succeed, otherwise it will fail.
		2776
		2777	=item * may_access is a true value
		2778
		2779	The request will succeed.
		2780
		2781	=item * may_access is missing or false
		2782
		2783	The request will fail.
		2784
		2785	=back
		2786
2177	=cut	2787	=cut
2178		2788
2179	sub cf::object::player::may {	2789	sub cf::object::player::may {
2180	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
2181		2791
2182	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
2183	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
2184	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2185	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
2186	}	2796	}
2187		2797
2188	=item $player_object->enter_link	2798	=item $player_object->enter_link
2189		2799
2190	Freezes the player and moves him/her to a special map (C<{link}>).	2800	Freezes the player and moves him/her to a special map (C<{link}>).
2191		2801
2192	The player should be reasonably safe there for short amounts of time. You	2802	The player should be reasonably safe there for short amounts of time (e.g.
2193	I<MUST> call C<leave_link> as soon as possible, though.	2803	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2804	though, as the player cannot control the character while it is on the link
		2805	map.
2194		2806
2195	Will never block.	2807	This method will never block, which is the whole reaosn for it's
		2808	existance: you can I<always> put a player onto the link map, which is the
		2809	only place to put objects that is guaranteed to exist.
		2810
		2811	A typical usage pattern is to call C<enter_link> synchronously from the
		2812	server, then start a new thread, do your blocking stuff there and then
		2813	call C<leave_link> from that thread.
2196		2814
2197	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
2198		2816
2199	Moves the player out of the special C<{link}> map onto the specified	2817	Moves the player out of the special C<{link}> map onto the specified
2200	map. If the map is not valid (or omitted), the player will be moved back	2818	map. If the map is not valid (or omitted), the player will be moved back
…		…
2218	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
2219	my ($self) = @_;	2837	my ($self) = @_;
2220		2838
2221	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
2222		2840
		2841	++$self->{_link_recursion};
		2842
2223	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
2224		2844
2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2226	if $self->map && $self->map->{path} ne "{link}";	2846	if $self->map && $self->map->{path} ne "{link}";
2227		2847
2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2229	}	2849	}
2230		2850
2231	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
2232	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
2233		2853
…		…
2250	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
2251	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
2252		2872
2253	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
2254	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
2255	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
2256		2876
2257	$map->load;	2877	$map->load;
2258	$map->load_diag;
2259		2878
2260	return unless $self->contr->active;	2879	return unless $self->contr->active;
2261	$self->activate_recursive;
2262		2880
2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2264	$self->enter_map ($map, $x, $y);	2882	if ($self->enter_map ($map, $x, $y)) {
2265	}	2883	# entering was successful
		2884	delete $self->{_link_recursion};
		2885	# only activate afterwards, to support waiting in hooks
		2886	$self->activate_recursive;
		2887	}
2266		2888
		2889	}
		2890
2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2891	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2268		2892
2269	Moves the player to the given map-path and coordinates by first freezing	2893	Moves the player to the given map-path and coordinates by first freezing
2270	her, loading and preparing them map, calling the provided $check callback	2894	her, loading and preparing them map, calling the provided $check callback
2271	that has to return the map if sucecssful, and then unfreezes the player on	2895	that has to return the map if sucecssful, and then unfreezes the player on
2272	the new (success) or old (failed) map position. In either case, $done will	2896	the new (success) or old (failed) map position. In either case, $done will
2273	be called at the end of this process.	2897	be called at the end of this process.
2274		2898
		2899	Note that $check will be called with a potentially non-loaded map, so if
		2900	it needs a loaded map it has to call C<< ->load >>.
		2901
2275	=cut	2902	=cut
2276		2903
2277	our $GOTOGEN;	2904	our $GOTOGEN;
2278		2905
2279	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
2280	my ($self, $path, $x, $y, $check, $done) = @_;	2907	my ($self, $path, $x, $y, $check, $done) = @_;
2281		2908
		2909	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2910	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2911	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2912	($path, $x, $y) = @$EMERGENCY_POSITION;
		2913	}
		2914
2282	# do generation counting so two concurrent goto's will be executed in-order	2915	# do generation counting so two concurrent goto's will be executed in-order
2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2916	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2284		2917
2285	$self->enter_link;	2918	$self->enter_link;
2286		2919
2287	(async {	2920	(async {
		2921	$Coro::current->{desc} = "player::goto $path $x $y";
		2922
		2923	# *tag paths override both path and x|y
		2924	if ($path =~ /^\*(.*)$/) {
		2925	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2926	my $ob = $obs[rand @obs];
		2927
		2928	# see if we actually can go there
		2929	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2930	$ob = $obs[rand @obs];
		2931	} else {
		2932	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2933	}
		2934	# else put us there anyways for now #d#
		2935
		2936	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2937	} else {
		2938	($path, $x, $y) = (undef, undef, undef);
		2939	}
		2940	}
		2941
2288	my $map = eval {	2942	my $map = eval {
2289	my $map = cf::map::find $path;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2290		2944
2291	if ($map) {	2945	if ($map) {
2292	$map = $map->customise_for ($self);	2946	$map = $map->customise_for ($self);
2293	$map = $check->($map) if $check && $map;	2947	$map = $check->($map, $x, $y, $self) if $check && $map;
2294	} else {	2948	} else {
2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2949	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2296	}	2950	}
2297		2951
2298	$map	2952	$map
2299	};	2953	};
2300		2954
…		…
2306	if ($gen == $self->{_goto_generation}) {	2960	if ($gen == $self->{_goto_generation}) {
2307	delete $self->{_goto_generation};	2961	delete $self->{_goto_generation};
2308	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
2309	}	2963	}
2310		2964
2311	$done->() if $done;	2965	$done->($self) if $done;
2312	})->prio (1);	2966	})->prio (1);
2313	}	2967	}
2314		2968
2315	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
2316		2970
…		…
2336	}	2990	}
2337		2991
2338	sub prepare_random_map {	2992	sub prepare_random_map {
2339	my ($exit) = @_;	2993	my ($exit) = @_;
2340		2994
2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
2342
2343	# all this does is basically replace the /! path by	2995	# all this does is basically replace the /! path by
2344	# a new random map path (?random/...) with a seed	2996	# a new random map path (?random/...) with a seed
2345	# that depends on the exit object	2997	# that depends on the exit object
2346		2998
2347	my $rmp = parse_random_map_params $exit->msg;	2999	my $rmp = parse_random_map_params $exit->msg;
…		…
2349	if ($exit->map) {	3001	if ($exit->map) {
2350	$rmp->{region} = $exit->region->name;	3002	$rmp->{region} = $exit->region->name;
2351	$rmp->{origin_map} = $exit->map->path;	3003	$rmp->{origin_map} = $exit->map->path;
2352	$rmp->{origin_x} = $exit->x;	3004	$rmp->{origin_x} = $exit->x;
2353	$rmp->{origin_y} = $exit->y;	3005	$rmp->{origin_y} = $exit->y;
		3006
		3007	$exit->map->touch;
2354	}	3008	}
2355		3009
2356	$rmp->{random_seed} ||= $exit->random_seed;	3010	$rmp->{random_seed} ||= $exit->random_seed;
2357		3011
2358	my $data = cf::to_json $rmp;	3012	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2359	my $md5 = Digest::MD5::md5_hex $data;	3013	my $md5 = Digest::MD5::md5_hex $data;
2360	my $meta = "$RANDOMDIR/$md5.meta";	3014	my $meta = "$RANDOMDIR/$md5.meta";
2361		3015
2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3016	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2363	aio_write $fh, 0, (length $data), $data, 0;	3017	aio_write $fh, 0, (length $data), $data, 0;
2364	undef $fh;	3018	undef $fh;
2365	aio_rename "$meta~", $meta;	3019	aio_rename "$meta~", $meta;
2366		3020
		3021	my $slaying = "?random/$md5";
		3022
		3023	if ($exit->valid) {
2367	$exit->slaying ("?random/$md5");	3024	$exit->slaying ("?random/$md5");
2368	$exit->msg (undef);	3025	$exit->msg (undef);
		3026	}
2369	}	3027	}
2370	}	3028	}
2371		3029
2372	sub cf::object::player::enter_exit {	3030	sub cf::object::player::enter_exit {
2373	my ($self, $exit) = @_;	3031	my ($self, $exit) = @_;
2374		3032
2375	return unless $self->type == cf::PLAYER;	3033	return unless $self->type == cf::PLAYER;
2376		3034
2377	if ($exit->slaying eq "/!") {
2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
2379	# the problem is that $exit might not survive long enough
2380	# so it needs to be done right now, right here
2381	cf::sync_job { prepare_random_map $exit };
2382	}
2383
2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2385	my $hp = $exit->stats->hp;
2386	my $sp = $exit->stats->sp;
2387
2388	$self->enter_link;	3035	$self->enter_link;
2389		3036
2390	# if exit is damned, update players death & WoR home-position
2391	$self->contr->savebed ($slaying, $hp, $sp)
2392	if $exit->flag (FLAG_DAMNED);
2393
2394	(async {	3037	(async {
2395	$self->deactivate_recursive; # just to be sure	3038	$Coro::current->{desc} = "enter_exit";
		3039
2396	unless (eval {	3040	unless (eval {
		3041	$self->deactivate_recursive; # just to be sure
		3042
		3043	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3044	my $x = $exit->stats->hp;
		3045	my $y = $exit->stats->sp;
		3046
		3047	# special map handling
		3048	my $slaying = $exit->slaying;
		3049
		3050	# special map handling
		3051	if ($slaying eq "/!") {
		3052	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3053
		3054	prepare_random_map $exit
		3055	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3056
		3057	$map = $exit->slaying;
		3058
		3059	} elsif ($slaying eq '!up') {
		3060	$map = $exit->map->tile_path (cf::TILE_UP);
		3061	$x = $exit->x;
		3062	$y = $exit->y;
		3063
		3064	} elsif ($slaying eq '!down') {
		3065	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3066	$x = $exit->x;
		3067	$y = $exit->y;
		3068	}
		3069
2397	$self->goto ($slaying, $hp, $sp);	3070	$self->goto ($map, $x, $y);
2398		3071
		3072	# if exit is damned, update players death & WoR home-position
		3073	$self->contr->savebed ($map, $x, $y)
		3074	if $exit->flag (cf::FLAG_DAMNED);
		3075
2399	1;	3076	1
2400	}) {	3077	}) {
2401	$self->message ("Something went wrong deep within the crossfire server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2402	. "I'll try to bring you back to the map you were before. "	3079	. "I'll try to bring you back to the map you were before. "
2403	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2404	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2405		3082
2406	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2407	$self->leave_link;	3084	$self->leave_link;
2408	}	3085	}
2409	})->prio (1);	3086	})->prio (1);
2410	}	3087	}
2411		3088
2412	=head3 cf::client	3089	=head3 cf::client
2413		3090
2414	=over 4	3091	=over 4
2415		3092
2416	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2417		3094
2418	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2419	should not be used under normal circumstances.	3096	them as required.
2420		3097
2421	=cut	3098	=cut
2422		3099
		3100	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3101
2423	sub cf::client::send_drawinfo {	3102	sub cf::client::send_big_packet {
2424	my ($self, $text, $flags) = @_;	3103	my ($self, $pkt) = @_;
2425		3104
2426	utf8::encode $text;	3105	# try lzf for large packets
2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3106	$pkt = "lzf " . Compress::LZF::compress $pkt
2428	}	3107	if 1024 <= length $pkt and $self->{can_lzf};
2429		3108
		3109	# split very large packets
		3110	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3111	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3112	$pkt = "frag";
		3113	}
		3114
		3115	$self->send_packet ($pkt);
		3116	}
		3117
2430	=item $client->send_msg ($color, $type, $msg, [extra...])	3118	=item $client->send_msg ($channel, $msg, $color, [extra...])
2431		3119
2432	Send a drawinfo or msg packet to the client, formatting the msg for the	3120	Send a msg packet to the client, formatting the msg for the client if
2433	client if neccessary. C<$type> should be a string identifying the type of	3121	necessary. C<$type> should be a string identifying the type of the
2434	the message, with C<log> being the default. If C<$color> is negative, suppress	3122	message, with C<log> being the default. If C<$color> is negative, suppress
2435	the message unless the client supports the msg packet.	3123	the message unless the client supports the msg packet.
2436		3124
2437	=cut	3125	=cut
2438		3126
		3127	# non-persistent channels (usually the info channel)
		3128	our %CHANNEL = (
		3129	"c/motd" => {
		3130	id => "infobox",
		3131	title => "MOTD",
		3132	reply => undef,
		3133	tooltip => "The message of the day",
		3134	},
		3135	"c/identify" => {
		3136	id => "infobox",
		3137	title => "Identify",
		3138	reply => undef,
		3139	tooltip => "Items recently identified",
		3140	},
		3141	"c/examine" => {
		3142	id => "infobox",
		3143	title => "Examine",
		3144	reply => undef,
		3145	tooltip => "Signs and other items you examined",
		3146	},
		3147	"c/shopinfo" => {
		3148	id => "infobox",
		3149	title => "Shop Info",
		3150	reply => undef,
		3151	tooltip => "What your bargaining skill tells you about the shop",
		3152	},
		3153	"c/book" => {
		3154	id => "infobox",
		3155	title => "Book",
		3156	reply => undef,
		3157	tooltip => "The contents of a note or book",
		3158	},
		3159	"c/lookat" => {
		3160	id => "infobox",
		3161	title => "Look",
		3162	reply => undef,
		3163	tooltip => "What you saw there",
		3164	},
		3165	"c/who" => {
		3166	id => "infobox",
		3167	title => "Players",
		3168	reply => undef,
		3169	tooltip => "Shows players who are currently online",
		3170	},
		3171	"c/body" => {
		3172	id => "infobox",
		3173	title => "Body Parts",
		3174	reply => undef,
		3175	tooltip => "Shows which body parts you possess and are available",
		3176	},
		3177	"c/statistics" => {
		3178	id => "infobox",
		3179	title => "Statistics",
		3180	reply => undef,
		3181	tooltip => "Shows your primary statistics",
		3182	},
		3183	"c/skills" => {
		3184	id => "infobox",
		3185	title => "Skills",
		3186	reply => undef,
		3187	tooltip => "Shows your experience per skill and item power",
		3188	},
		3189	"c/shopitems" => {
		3190	id => "infobox",
		3191	title => "Shop Items",
		3192	reply => undef,
		3193	tooltip => "Shows the items currently for sale in this shop",
		3194	},
		3195	"c/resistances" => {
		3196	id => "infobox",
		3197	title => "Resistances",
		3198	reply => undef,
		3199	tooltip => "Shows your resistances",
		3200	},
		3201	"c/pets" => {
		3202	id => "infobox",
		3203	title => "Pets",
		3204	reply => undef,
		3205	tooltip => "Shows information abotu your pets/a specific pet",
		3206	},
		3207	"c/perceiveself" => {
		3208	id => "infobox",
		3209	title => "Perceive Self",
		3210	reply => undef,
		3211	tooltip => "You gained detailed knowledge about yourself",
		3212	},
		3213	"c/uptime" => {
		3214	id => "infobox",
		3215	title => "Uptime",
		3216	reply => undef,
		3217	tooltip => "How long the server has been running since last restart",
		3218	},
		3219	"c/mapinfo" => {
		3220	id => "infobox",
		3221	title => "Map Info",
		3222	reply => undef,
		3223	tooltip => "Information related to the maps",
		3224	},
		3225	"c/party" => {
		3226	id => "party",
		3227	title => "Party",
		3228	reply => "gsay ",
		3229	tooltip => "Messages and chat related to your party",
		3230	},
		3231	"c/death" => {
		3232	id => "death",
		3233	title => "Death",
		3234	reply => undef,
		3235	tooltip => "Reason for and more info about your most recent death",
		3236	},
		3237	"c/fatal" => {
		3238	id => "fatal",
		3239	title => "Fatal Error",
		3240	reply => undef,
		3241	tooltip => "Reason for the server disconnect",
		3242	},
		3243	"c/say" => $SAY_CHANNEL,
		3244	"c/chat" => $CHAT_CHANNEL,
		3245	);
		3246
2439	sub cf::client::send_msg {	3247	sub cf::client::send_msg {
2440	my ($self, $color, $type, $msg, @extra) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2441		3249
2442	$msg = $self->pl->expand_cfpod ($msg);	3250	$msg = $self->pl->expand_cfpod ($msg)
		3251	unless $color & cf::NDI_VERBATIM;
		3252
		3253	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3254
		3255	# check predefined channels, for the benefit of C
		3256	if ($CHANNEL{$channel}) {
		3257	$channel = $CHANNEL{$channel};
		3258
		3259	$self->ext_msg (channel_info => $channel);
		3260	$channel = $channel->{id};
		3261
		3262	} elsif (ref $channel) {
		3263	# send meta info to client, if not yet sent
		3264	unless (exists $self->{channel}{$channel->{id}}) {
		3265	$self->{channel}{$channel->{id}} = $channel;
		3266	$self->ext_msg (channel_info => $channel);
		3267	}
		3268
		3269	$channel = $channel->{id};
		3270	}
2443		3271
2444	return unless @extra || length $msg;	3272	return unless @extra || length $msg;
2445		3273
2446	if ($self->can_msg) {	3274	# default colour, mask it out
2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3275	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2448	} else {	3276	if $color & cf::NDI_DEF;
2449	# replace some tags by gcfclient-compatible ones
2450	for ($msg) {
2451	1 while
2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2457	}
2458		3277
2459	if ($color >= 0) {	3278	my $pkt = "msg "
2460	if (0 && $msg =~ /\[/) {	3279	. $self->{json_coder}->encode (
2461	$self->send_packet ("drawextinfo $color 4 0 $msg")	3280	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2462	} else {	3281	);
2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2464	$self->send_packet ("drawinfo $color $msg")
2465	}
2466	}
2467	}
2468	}
2469		3282
		3283	$self->send_big_packet ($pkt);
		3284	}
		3285
2470	=item $client->ext_event ($type, %msg)	3286	=item $client->ext_msg ($type, @msg)
2471		3287
2472	Sends an ext event to the client.	3288	Sends an ext event to the client.
2473		3289
2474	=cut	3290	=cut
2475		3291
2476	sub cf::client::ext_event($$%) {	3292	sub cf::client::ext_msg($$@) {
2477	my ($self, $type, %msg) = @_;	3293	my ($self, $type, @msg) = @_;
2478		3294
2479	return unless $self->extcmd;
2480
2481	$msg{msgtype} = "event_$type";
2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2483	}	3296	}
2484		3297
2485	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2486		3299
2487	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
…		…
2507		3320
2508	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2509	if @{ $self->{query_queue} } == 1;	3322	if @{ $self->{query_queue} } == 1;
2510		3323
2511	1	3324	1
		3325	}
		3326
		3327	=item $client->update_command_faces
		3328
		3329	=cut
		3330
		3331	our %COMMAND_FACE;
		3332
		3333	sub cf::client::update_command_faces {
		3334	my ($self) = @_;
		3335
		3336	my @faces = grep $_,
		3337	$COMMAND_FACE{preferred},
		3338	$COMMAND_FACE{standard},
		3339	$COMMAND_FACE{skill},
		3340	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3341	$COMMAND_FACE{emote},
		3342	;
		3343
		3344	$self->send_face ($_)
		3345	for @faces;
		3346	$self->flush_fx;
		3347
		3348	$self->ext_msg (command_list => @faces);
		3349	}
		3350
		3351	=item cf::client::set_command_face $type, $commands
		3352
		3353	=cut
		3354
		3355	sub cf::client::set_command_face {
		3356	my ($type, $list) = @_;
		3357
		3358	my $idx = &cf::face::set ( #d# ugly forward reference
		3359	"command_list/$type" => cf::FT_RSRC,
		3360	JSON::XS->new->utf8->encode ([ sort @$list ])
		3361	);
		3362
		3363	$COMMAND_FACE{$type} = $idx;
2512	}	3364	}
2513		3365
2514	cf::client->attach (	3366	cf::client->attach (
2515	on_connect => sub {	3367	on_connect => sub {
2516	my ($ns) = @_;	3368	my ($ns) = @_;
…		…
2542	my ($ns, $buf) = @_;	3394	my ($ns, $buf) = @_;
2543		3395
2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3396	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2545		3397
2546	if (ref $msg) {	3398	if (ref $msg) {
		3399	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3400
2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3401	if (my $cb = $EXTIACMD{$type}) {
2548	if (my %reply = $cb->($ns, $msg)) {	3402	$cb->(
2549	$reply{msgid} = $msg->{msgid};	3403	$ns,
2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	3404	sub {
		3405	$ns->ext_msg ("reply-$reply", @_)
		3406	if $reply;
		3407	},
		3408	@payload
		3409	);
		3410	} else {
		3411	my @reply;
		3412
		3413	if (my $cb = $EXTICMD{$type}) {
		3414	@reply = $cb->($ns, @payload);
2551	}	3415	}
		3416
		3417	$ns->ext_msg ("reply-$reply", @reply)
		3418	if $reply;
2552	}	3419	}
2553	} else {	3420	} else {
2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3421	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2555	}	3422	}
2556		3423
2557	cf::override;	3424	cf::override;
2558	},	3425	},
2559	);	3426	);
…		…
2579		3446
2580	$coro	3447	$coro
2581	}	3448	}
2582		3449
2583	cf::client->attach (	3450	cf::client->attach (
2584	on_destroy => sub {	3451	on_client_destroy => sub {
2585	my ($ns) = @_;	3452	my ($ns) = @_;
2586		3453
2587	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2588	},	3455	},
2589	);	3456	);
…		…
2604	our $safe = new Safe "safe";	3471	our $safe = new Safe "safe";
2605	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
2606		3473
2607	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
2608		3475
2609	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3476	$safe->permit_only (Opcode::opset qw(
		3477	:base_core :base_mem :base_orig :base_math :base_loop
		3478	grepstart grepwhile mapstart mapwhile
		3479	sort time
		3480	));
2610		3481
2611	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
2612		3483
2613	=pod	3484	=pod
2614		3485
2615	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
2616		3487
2617	cf::object	3488	cf::object
2618	contr pay_amount pay_player map x y force_find force_add	3489	contr pay_amount pay_player map x y force_find force_add destroy
2619	insert remove	3490	insert remove name archname title slaying race decrease split
		3491	value
2620		3492
2621	cf::object::player	3493	cf::object::player
2622	player	3494	player
2623		3495
2624	cf::player	3496	cf::player
…		…
2629		3501
2630	=cut	3502	=cut
2631		3503
2632	for (	3504	for (
2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3505	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2634	insert remove)],	3506	insert remove inv nrof name archname title slaying race
		3507	decrease split destroy change_exp value msg lore send_msg)],
2635	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
2636	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
2637	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
2638	) {	3511	) {
2639	no strict 'refs';
2640	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
2641	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2642	for @funs;	3514	for @funs;
2643	}	3515	}
2644		3516
…		…
2659		3531
2660	my $qcode = $code;	3532	my $qcode = $code;
2661	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2662	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
2663		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
2664	local $_;	3539	local $_;
2665	local @safe::cf::_safe_eval_args = values %vars;
2666		3540
2667	my $eval =	3541	my $eval =
2668	"do {\n"	3542	"do {\n"
2669	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2670	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
2671	. $code	3545	. $code
2672	. "\n}"	3546	. "\n}"
2673	;	3547	;
2674		3548
		3549	if ($CFG{safe_eval}) {
2675	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
2676	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2677	sub_generation_inc;	3553	sub_generation_inc;
		3554	} else {
		3555	local @cf::_safe_eval_args = values %vars;
		3556	@res = wantarray ? eval eval : scalar eval $eval;
		3557	}
2678		3558
2679	if ($@) {	3559	if ($@) {
2680	warn "$@";	3560	warn "$@",
2681	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
2682	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
2683	}	3563	}
2684		3564
2685	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
2686	}	3566	}
2687		3567
…		…
2701	=cut	3581	=cut
2702		3582
2703	sub register_script_function {	3583	sub register_script_function {
2704	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
2705		3585
2706	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
2707	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
2708	}	3588	}
2709		3589
2710	=back	3590	=back
2711		3591
2712	=cut	3592	=cut
2713		3593
2714	#############################################################################	3594	#############################################################################
2715	# the server's init and main functions	3595	# the server's init and main functions
2716		3596
		3597	{
		3598	package cf::face;
		3599
		3600	our %HASH; # hash => idx
		3601	our @DATA; # dynamically-created facedata, only faceste 0 used
		3602	our @FOFS; # file offset, if > 0
		3603	our @SIZE; # size of face, in octets
		3604	our @META; # meta hash of face, if any
		3605	our $DATAFH; # facedata filehandle
		3606
		3607	# internal api, not finalised
		3608	sub set {
		3609	my ($name, $type, $data) = @_;
		3610
		3611	my $idx = cf::face::find $name;
		3612
		3613	if ($idx) {
		3614	delete $HASH{cf::face::get_csum $idx};
		3615	} else {
		3616	$idx = cf::face::alloc $name;
		3617	}
		3618
		3619	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3620
		3621	cf::face::set_type $idx, $type;
		3622	cf::face::set_csum $idx, 0, $hash;
		3623
		3624	# we need to destroy the SV itself, not just modify it, as a running ix
		3625	# might hold a reference to it: "delete" achieves that.
		3626	delete $FOFS[0][$idx];
		3627	delete $DATA[0][$idx];
		3628	$DATA[0][$idx] = $data;
		3629	$SIZE[0][$idx] = length $data;
		3630	delete $META[$idx];
		3631	$HASH{$hash} = $idx;#d#
		3632
		3633	$idx
		3634	}
		3635
		3636	sub _get_data($$$) {
		3637	my ($idx, $set, $cb) = @_;
		3638
		3639	if (defined $DATA[$set][$idx]) {
		3640	$cb->($DATA[$set][$idx]);
		3641	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3642	my $size = $SIZE[$set][$idx];
		3643	my $buf;
		3644	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3645	if ($_[0] == $size) {
		3646	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3647	$cb->($buf);
		3648	} else {
		3649	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3650	}
		3651	};
		3652	} else {
		3653	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3654	}
		3655	}
		3656
		3657	# rather ineffient
		3658	sub cf::face::get_data($;$) {
		3659	my ($idx, $set) = @_;
		3660
		3661	_get_data $idx, $set, Coro::rouse_cb;
		3662	Coro::rouse_wait
		3663	}
		3664
		3665	sub cf::face::ix {
		3666	my ($ns, $set, $idx, $pri) = @_;
		3667
		3668	_get_data $idx, $set, sub {
		3669	$ns->ix_send ($idx, $pri, $_[0]);
		3670	};
		3671	}
		3672	}
		3673
2717	sub load_facedata($) {	3674	sub load_facedata($) {
2718	my ($path) = @_;	3675	my ($path) = @_;
2719		3676
		3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3678
2720	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
2721		3680
2722	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
2723	0 < aio_load $path, $facedata
2724	or die "$path: $!";
2725
2726	$facedata = Coro::Storable::thaw $facedata;
2727		3682
2728	$facedata->{version} == 2	3683	$facedata->{version} == 2
2729	or cf::cleanup "$path: version mismatch, cannot proceed.";	3684	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3685
		3686	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3687	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3688
		3689	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3690
		3691	# BEGIN ATOMIC
		3692	# from here on, everything must be atomic - no thread switch allowed
		3693	my $t1 = EV::time;
2730		3694
2731	{	3695	{
2732	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
2733		3697
2734	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3701
2736	cf::face::set_visibility $idx, $info->{visibility};	3702	cf::face::set_visibility $idx, $info->{visibility};
2737	cf::face::set_magicmap $idx, $info->{magicmap};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3704	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3705	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
2740		3706	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
2741	cf::cede_to_tick;	3707	$cf::face::HASH{$info->{hash64}} = $idx;
		3708	delete $cf::face::META[$idx];
2742	}	3709	}
2743		3710
2744	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
2745	next unless $info->{smooth};	3712	next unless $info->{smooth};
		3713
2746	my $idx = cf::face::find $face	3714	my $idx = cf::face::find $face
2747	or next;	3715	or next;
		3716
2748	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
2749	cf::face::set_smooth $idx, $smooth;	3718	cf::face::set_smooth $idx, $smooth;
2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2751	} else {	3720	} else {
2752	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
2753	}	3722	}
2754
2755	cf::cede_to_tick;
2756	}	3723	}
2757	}	3724	}
2758		3725
2759	{	3726	{
2760	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
2761		3728
2762	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
2763	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
2764	cf::cede_to_tick;
2765	}	3731	}
2766		3732
2767	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
2768	}	3734	}
2769		3735
2770	{	3736	{
2771	# TODO: for gcfclient pleasure, we should give resources
2772	# that gcfclient doesn't grok a >10000 face index.
2773	my $res = $facedata->{resource};	3737	my $res = $facedata->{resource};
2774	my $enc = JSON::XS->new->utf8->canonical;
2775		3738
2776	while (my ($name, $info) = each %$res) {	3739	while (my ($name, $info) = each %$res) {
2777	my $meta = $enc->encode ({	3740	if (defined (my $type = $info->{type})) {
2778	name => $name,	3741	# TODO: different hash - must free and use new index, or cache ixface data queue
2779	type => $info->{type},
2780	copyright => $info->{copyright}, #TODO#
2781	});
2782
2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3742	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2784		3743
2785	if ($name =~ /\.jpg$/) {	3744	cf::face::set_type $idx, $type;
2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3745	cf::face::set_csum $idx, 0, $info->{hash};
2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3746	$cf::face::SIZE[0][$idx] = $info->{size};
		3747	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3748	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3749	$cf::face::HASH{$info->{hash}} = $idx;
2788	} else {	3750	} else {
2789	my $data = pack "(w/a*)*", $meta, $info->{data};	3751	# $RESOURCE{$name} = $info; # unused
2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2791
2792	cf::face::set_type $idx, 1;
2793	cf::face::set_data $idx, 0, $data, $chk;
2794	}	3752	}
2795
2796	cf::cede_to_tick;
2797	}	3753	}
2798	}	3754	}
		3755
		3756	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3757
		3758	# HACK to clear player env face cache, we need some signal framework
		3759	# for this (global event?)
		3760	%ext::player_env::MUSIC_FACE_CACHE = ();
		3761
		3762	# END ATOMIC
		3763
		3764	cf::debug "facedata atomic update time ", EV::time - $t1;
		3765
		3766	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3767
		3768	aio_close $fh if $fh; # close old facedata
2799		3769
2800	1	3770	1
2801	}	3771	}
2802		3772
		3773	register_exticmd fx_want => sub {
		3774	my ($ns, $want) = @_;
		3775
		3776	while (my ($k, $v) = each %$want) {
		3777	$ns->fx_want ($k, $v);
		3778	}
		3779	};
		3780
		3781	sub load_resource_file($) {
		3782	my $guard = lock_acquire "load_resource_file";
		3783
		3784	my $status = load_resource_file_ $_[0];
		3785	get_slot 0.1, 100;
		3786	cf::arch::commit_load;
		3787
		3788	$status
		3789	}
		3790
		3791	sub reload_exp_table {
		3792	_reload_exp_table;
		3793
		3794	cf::face::set
		3795	"res/exp_table" => FT_RSRC,
		3796	JSON::XS->new->utf8->canonical->encode (
		3797	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3798	);
		3799	}
		3800
		3801	sub reload_materials {
		3802	_reload_materials;
		3803	}
		3804
2803	sub reload_regions {	3805	sub reload_regions {
		3806	# HACK to clear player env face cache, we need some signal framework
		3807	# for this (global event?)
		3808	%ext::player_env::MUSIC_FACE_CACHE = ();
		3809
2804	load_resource_file "$MAPDIR/regions"	3810	load_resource_file "$MAPDIR/regions"
2805	or die "unable to load regions file\n";	3811	or die "unable to load regions file\n";
2806		3812
2807	for (cf::region::list) {	3813	for (cf::region::list) {
2808	$_->{match} = qr/$_->{match}/	3814	$_->{match} = qr/$_->{match}/
2809	if exists $_->{match};	3815	if exists $_->{match};
2810	}	3816	}
2811	}	3817	}
2812		3818
2813	sub reload_facedata {	3819	sub reload_facedata {
2814	load_facedata "$DATADIR/facedata"	3820	load_facedata $DATADIR
2815	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
2816	}	3822	}
2817		3823
2818	sub reload_archetypes {	3824	sub reload_archetypes {
2819	load_resource_file "$DATADIR/archetypes"	3825	load_resource_file "$DATADIR/archetypes"
2820	or die "unable to load archetypes\n";	3826	or die "unable to load archetypes\n";
2821	#d# NEED to laod twice to resolve forward references	3827
2822	# this really needs to be done in an extra post-pass	3828	cf::face::set
2823	# (which needs to be synchronous, so solve it differently)	3829	"res/skill_info" => FT_RSRC,
2824	load_resource_file "$DATADIR/archetypes"	3830	JSON::XS->new->utf8->canonical->encode (
2825	or die "unable to load archetypes\n";	3831	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3832	);
		3833
		3834	cf::face::set
		3835	"res/spell_paths" => FT_RSRC,
		3836	JSON::XS->new->utf8->canonical->encode (
		3837	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3838	);
		3839
		3840	# command completion
		3841	my @commands;
		3842
		3843	for (0..cf::arch::skillvec_size - 1) {
		3844	my $skill = cf::arch::skillvec $_;
		3845	my $name = $skill->name;
		3846	my $flags = cf::skill_flags $skill->subtype;
		3847
		3848	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3849	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3850	}
		3851
		3852	cf::client::set_command_face skill => \@commands;
2826	}	3853	}
2827		3854
2828	sub reload_treasures {	3855	sub reload_treasures {
2829	load_resource_file "$DATADIR/treasures"	3856	load_resource_file "$DATADIR/treasures"
2830	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
2831	}	3858	}
2832		3859
		3860	sub reload_sound {
		3861	trace "loading sound config from $DATADIR/sound\n";
		3862
		3863	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3864
		3865	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3866	my $sound = $soundconf->{compat}[$_]
		3867	or next;
		3868
		3869	my $face = cf::face::find "sound/$sound->[1]";
		3870	cf::sound::set $sound->[0] => $face;
		3871	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3872	}
		3873
		3874	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3875	my $face = cf::face::find "sound/$v";
		3876	cf::sound::set $k => $face;
		3877	}
		3878	}
		3879
2833	sub reload_resources {	3880	sub reload_resources {
2834	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
2835		3882
		3883	reload_materials;
		3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
		3887	reload_archetypes;
2836	reload_regions;	3888	reload_regions;
2837	reload_facedata;
2838	#reload_archetypes;#d#
2839	reload_archetypes;
2840	reload_treasures;	3889	reload_treasures;
2841		3890
2842	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
2843	}	3892	}
2844		3893
2845	sub init {	3894	sub reload_config {
2846	reload_resources;	3895	trace "reloading config file...\n";
2847	}
2848		3896
2849	sub cfg_load {	3897	my $config = load_file "$CONFDIR/config";
2850	open my $fh, "<:utf8", "$CONFDIR/config"	3898	utf8::decode $config;
2851	or return;	3899	*CFG = decode_yaml $config;
2852		3900
2853	local $/;
2854	*CFG = YAML::Syck::Load <$fh>;
2855
2856	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2857		3902
2858	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3903	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2859	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3904	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2860		3905
2861	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
2865	};	3910	};
2866	warn $@ if $@;	3911	warn $@ if $@;
2867	}	3912	}
2868	}	3913	}
2869		3914
		3915	sub pidfile() {
		3916	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3917	or die "$PIDFILE: $!";
		3918	flock $fh, &Fcntl::LOCK_EX
		3919	or die "$PIDFILE: flock: $!";
		3920	$fh
		3921	}
		3922
		3923	# make sure only one server instance is running at any one time
		3924	sub atomic {
		3925	my $fh = pidfile;
		3926
		3927	my $pid = <$fh>;
		3928	kill 9, $pid if $pid > 0;
		3929
		3930	seek $fh, 0, 0;
		3931	print $fh $$;
		3932	}
		3933
		3934	sub main_loop {
		3935	trace "EV::run starting\n";
		3936	if (1) {
		3937	EV::run;
		3938	}
		3939	trace "EV::run returned\n";
		3940	goto &main_loop unless $REALLY_UNLOOP;
		3941	}
		3942
2870	sub main {	3943	sub main {
		3944	cf::init_globals; # initialise logging
		3945
		3946	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3947	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3948	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3949	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3950
		3951	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3952
2871	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
2872	local $Coro::idle = sub {	3954	$Coro::idle = sub {
2873	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3955	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2874	(async {	3956	(async {
2875	Event::one_event;	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3958	EV::run EV::RUN_ONCE;
2876	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
2877	};	3960	};
2878		3961
2879	cfg_load;	3962	evthread_start IO::AIO::poll_fileno;
		3963
		3964	cf::sync_job {
		3965	cf::incloader::init ();
		3966
2880	db_init;	3967	db_init;
		3968
		3969	cf::init_anim;
		3970	cf::init_attackmess;
		3971	cf::init_dynamic;
		3972
		3973	cf::load_settings;
		3974
		3975	reload_resources;
		3976	reload_config;
		3977
		3978	cf::init_uuid;
		3979	cf::init_signals;
		3980	cf::init_skills;
		3981
		3982	cf::init_beforeplay;
		3983
		3984	atomic;
		3985
2881	load_extensions;	3986	load_extensions;
2882		3987
2883	$TICK_WATCHER->start;	3988	utime time, time, $RUNTIMEFILE;
2884	Event::loop;	3989
		3990	# no (long-running) fork's whatsoever before this point(!)
		3991	use POSIX ();
		3992	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3993
		3994	cf::_post_init 0;
		3995	};
		3996
		3997	cf::object::thawer::errors_are_fatal 0;
		3998	info "parse errors in files are no longer fatal from this point on.\n";
		3999
		4000	AE::postpone {
		4001	undef &main; # free gobs of memory :)
		4002	};
		4003
		4004	goto &main_loop;
2885	}	4005	}
2886		4006
2887	#############################################################################	4007	#############################################################################
2888	# initialisation and cleanup	4008	# initialisation and cleanup
2889		4009
2890	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
2891	BEGIN {	4011	BEGIN {
		4012	our %SIGWATCHER = ();
2892	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
2893	Event->signal (	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2894	reentrant => 0,
2895	data => WF_AUTOCANCEL,
2896	signal => $signal,
2897	prio => 0,
2898	cb => sub {
2899	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
2900	},
2901	);	4016	};
2902	}	4017	}
2903	}	4018	}
2904		4019
2905	sub write_runtime {	4020	sub write_runtime_sync {
2906	my $runtime = "$LOCALDIR/runtime";	4021	my $t0 = AE::time;
2907		4022
2908	# first touch the runtime file to show we are still running:	4023	# first touch the runtime file to show we are still running:
2909	# the fsync below can take a very very long time.	4024	# the fsync below can take a very very long time.
2910		4025
2911	IO::AIO::aio_utime $runtime, undef, undef;	4026	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2912		4027
2913	my $guard = cf::lock_acquire "write_runtime";	4028	my $guard = cf::lock_acquire "write_runtime";
2914		4029
2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4030	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2916	or return;	4031	or return;
2917		4032
2918	my $value = $cf::RUNTIME + 90 + 10;	4033	my $value = $cf::RUNTIME + 90 + 10;
2919	# 10 is the runtime save interval, for a monotonic clock	4034	# 10 is the runtime save interval, for a monotonic clock
2920	# 60 allows for the watchdog to kill the server.	4035	# 60 allows for the watchdog to kill the server.
…		…
2930	aio_utime $fh, undef, undef;	4045	aio_utime $fh, undef, undef;
2931		4046
2932	close $fh	4047	close $fh
2933	or return;	4048	or return;
2934		4049
2935	aio_rename "$runtime~", $runtime	4050	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2936	and return;	4051	and return;
2937		4052
2938	warn "runtime file written.\n";	4053	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2939		4054
2940	1	4055	1
		4056	}
		4057
		4058	our $uuid_lock;
		4059	our $uuid_skip;
		4060
		4061	sub write_uuid_sync($) {
		4062	$uuid_skip ||= $_[0];
		4063
		4064	return if $uuid_lock;
		4065	local $uuid_lock = 1;
		4066
		4067	my $uuid = "$LOCALDIR/uuid";
		4068
		4069	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4070	or return;
		4071
		4072	my $value = uuid_seq uuid_cur;
		4073
		4074	unless ($value) {
		4075	info "cowardly refusing to write zero uuid value!\n";
		4076	return;
		4077	}
		4078
		4079	my $value = uuid_str $value + $uuid_skip;
		4080	$uuid_skip = 0;
		4081
		4082	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4083	and return;
		4084
		4085	# always fsync - this file is important
		4086	aio_fsync $fh
		4087	and return;
		4088
		4089	close $fh
		4090	or return;
		4091
		4092	aio_rename "$uuid~", $uuid
		4093	and return;
		4094
		4095	trace "uuid file written ($value).\n";
		4096
		4097	1
		4098
		4099	}
		4100
		4101	sub write_uuid($$) {
		4102	my ($skip, $sync) = @_;
		4103
		4104	$sync ? write_uuid_sync $skip
		4105	: async { write_uuid_sync $skip };
2941	}	4106	}
2942		4107
2943	sub emergency_save() {	4108	sub emergency_save() {
2944	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
2945		4110
2946	warn "enter emergency perl save\n";	4111	info "emergency_perl_save: enter\n";
		4112
		4113	# this is a trade-off: we want to be very quick here, so
		4114	# save all maps without fsync, and later call a global sync
		4115	# (which in turn might be very very slow)
		4116	local $USE_FSYNC = 0;
2947		4117
2948	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
2949	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
2950	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
2951	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
2952	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
2953	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
2954	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
2955	$pl->valid or next;	4127	$pl->valid or next;
		4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2956	$pl->save;	4129	$pl->save;
2957	}	4130	}
2958	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
2959		4132
2960	warn "begin emergency map save\n";	4133	cf::write_runtime_sync; # external watchdog should not bark
		4134
		4135	info "emergency_perl_save: begin map save\n";
2961	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
2962	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
2963	$map->valid or next;	4138	$map->valid or next;
2964	$map->save;	4139	$map->save;
2965	}	4140	}
2966	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
2967		4142
2968	warn "begin emergency database checkpoint\n";	4143	cf::write_runtime_sync; # external watchdog should not bark
		4144
		4145	info "emergency_perl_save: begin database checkpoint\n";
2969	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
2970	warn "end emergency database checkpoint\n";	4147	info "emergency_perl_save: end database checkpoint\n";
		4148
		4149	info "emergency_perl_save: begin write uuid\n";
		4150	write_uuid_sync 1;
		4151	info "emergency_perl_save: end write uuid\n";
		4152
		4153	cf::write_runtime_sync; # external watchdog should not bark
		4154
		4155	trace "emergency_perl_save: syncing database to disk";
		4156	BDB::db_env_txn_checkpoint $DB_ENV;
		4157
		4158	info "emergency_perl_save: starting sync\n";
		4159	IO::AIO::aio_sync sub {
		4160	info "emergency_perl_save: finished sync\n";
		4161	};
		4162
		4163	cf::write_runtime_sync; # external watchdog should not bark
		4164
		4165	trace "emergency_perl_save: flushing outstanding aio requests";
		4166	while (IO::AIO::nreqs || BDB::nreqs) {
		4167	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4168	}
		4169
		4170	cf::write_runtime_sync; # external watchdog should not bark
2971	};	4171	};
2972		4172
2973	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
2974	}	4174	}
2975		4175
2976	sub post_cleanup {	4176	sub post_cleanup {
2977	my ($make_core) = @_;	4177	my ($make_core) = @_;
2978		4178
		4179	IO::AIO::flush;
		4180
2979	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
2980	if $make_core;	4182	if $make_core;
		4183
		4184	my $fh = pidfile;
		4185	unlink $PIDFILE if <$fh> == $$;
		4186	}
		4187
		4188	# a safer delete_package, copied from Symbol
		4189	sub clear_package($) {
		4190	my $pkg = shift;
		4191
		4192	# expand to full symbol table name if needed
		4193	unless ($pkg =~ /^main::.*::$/) {
		4194	$pkg = "main$pkg" if $pkg =~ /^::/;
		4195	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4196	$pkg .= '::' unless $pkg =~ /::$/;
		4197	}
		4198
		4199	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4200	my $stem_symtab = *{$stem}{HASH};
		4201
		4202	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4203	or return;
		4204
		4205	# clear all symbols
		4206	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4207	for my $name (keys %$leaf_symtab) {
		4208	_gv_clear *{"$pkg$name"};
		4209	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4210	}
2981	}	4211	}
2982		4212
2983	sub do_reload_perl() {	4213	sub do_reload_perl() {
2984	# can/must only be called in main	4214	# can/must only be called in main
2985	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
2986	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
2987	return;	4217	return;
2988	}	4218	}
2989		4219
2990	warn "reloading...";	4220	return if $RELOAD++;
2991		4221
2992	warn "entering sync_job";	4222	my $t1 = AE::time;
2993		4223
		4224	while ($RELOAD) {
		4225	cf::get_slot 0.1, -1, "reload_perl";
		4226	info "perl_reload: reloading...";
		4227
		4228	trace "perl_reload: entering sync_job";
		4229
2994	cf::sync_job {	4230	cf::sync_job {
2995	cf::write_runtime; # external watchdog should not bark
2996	cf::emergency_save;	4231	#cf::emergency_save;
2997	cf::write_runtime; # external watchdog should not bark
2998		4232
2999	warn "syncing database to disk";
3000	BDB::db_env_txn_checkpoint $DB_ENV;
3001
3002	# if anything goes wrong in here, we should simply crash as we already saved
3003
3004	warn "cancelling all WF_AUTOCANCEL watchers";
3005	for (Event::all_watchers) {
3006	$_->cancel if $_->data & WF_AUTOCANCEL;
3007	}
3008
3009	warn "flushing outstanding aio requests";
3010	for (;;) {
3011	BDB::flush;
3012	IO::AIO::flush;
3013	Coro::cede;
3014	last unless IO::AIO::nreqs || BDB::nreqs;
3015	warn "iterate...";
3016	}
3017
3018	++$RELOAD;
3019
3020	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
3021	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
3022	%EXT_CORO = ();	4235	%EXT_CORO = ();
3023		4236
3024	warn "removing commands";	4237	trace "perl_reload: removing commands";
3025	%COMMAND = ();	4238	%COMMAND = ();
3026		4239
3027	warn "removing ext/exti commands";	4240	trace "perl_reload: removing ext/exti commands";
3028	%EXTCMD = ();	4241	%EXTCMD = ();
3029	%EXTICMD = ();	4242	%EXTICMD = ();
3030		4243
3031	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
3032	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
3033	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
3034		4247
3035	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
3036	eval {	4249	eval {
3037	$cb->($pkg);	4250	$cb->($pkg);
3038	1	4251	1
3039	} or warn "$pkg unloaded, but with errors: $@";	4252	} or error "$pkg unloaded, but with errors: $@";
		4253	}
		4254
		4255	trace "... clearing $pkg";
		4256	clear_package $pkg;
3040	}	4257	}
3041		4258
3042	warn "... nuking $pkg";
3043	Symbol::delete_package $pkg;
3044	}
3045
3046	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3047	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
3048	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3049		4262
3050	warn "... unloading $k";	4263	trace "... unloading $k";
3051	delete $INC{$k};	4264	delete $INC{$k};
3052		4265
3053	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
3054	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
3055		4268
3056	if (my $cb = $k->can ("unload_module")) {	4269	if (my $cb = $k->can ("unload_module")) {
3057	$cb->();	4270	$cb->();
		4271	}
		4272
		4273	clear_package $k;
3058	}	4274	}
3059		4275
3060	Symbol::delete_package $k;
3061	}
3062
3063	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
3064	Symbol::delete_package "safe::$_"	4277	clear_package "safe::$_"
3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4278	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3066		4279
3067	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
3068	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
3069	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3070		4283
3071	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
3072	# and global variables created in xs	4285	# and global variables created in xs
3073	#Symbol::delete_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
3074		4287
3075	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
3076		4289
3077	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
3078	require cf;	4291	require cf;
3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
3080		4293
3081	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
3082	cf::cfg_load;	4295	cf::reload_config;
3083		4296
3084	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
3085	cf::load_extensions;	4298	cf::load_extensions;
3086		4299
		4300	if ($REATTACH_ON_RELOAD) {
3087	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
3088	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
3089	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
3090	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
3091	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
3092	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
		4307	}
3093		4308
3094	warn "leaving sync_job";	4309	cf::_post_init 1;
3095		4310
		4311	trace "perl_reload: leaving sync_job";
		4312
3096	1	4313	1
3097	} or do {	4314	} or do {
3098	warn $@;	4315	error $@;
3099	warn "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
3100	exit 1;	4317	};
		4318
		4319	--$RELOAD;
3101	};	4320	}
3102		4321
3103	warn "reloaded";	4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
3104	};	4324	};
3105		4325
3106	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
3107		4327
3108	sub reload_perl() {	4328	sub reload_perl() {
3109	# doing reload synchronously and two reloads happen back-to-back,	4329	# doing reload synchronously and two reloads happen back-to-back,
3110	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
3111		4331
3112	$RELOAD_WATCHER ||= Event->timer (	4332	$RELOAD_WATCHER ||= cf::async {
3113	reentrant => 0,	4333	Coro::AIO::aio_wait cache_extensions;
3114	after => 0,	4334
3115	data => WF_AUTOCANCEL,	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3116	cb => sub {
3117	do_reload_perl;	4336	do_reload_perl;
3118	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
3119	},	4338	};
3120	);	4339	};
3121	}	4340	}
3122		4341
3123	register_command "reload" => sub {	4342	register_command "reload" => sub {
3124	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
3125		4344
3126	if ($who->flag (FLAG_WIZ)) {	4345	if ($who->flag (FLAG_WIZ)) {
3127	$who->message ("reloading server.");	4346	$who->message ("reloading server.");
		4347	async {
		4348	$Coro::current->{desc} = "perl_reload";
3128	async { reload_perl };	4349	reload_perl;
		4350	};
3129	}	4351	}
3130	};	4352	};
3131		4353
3132	unshift @INC, $LIBDIR;	4354	#############################################################################
3133		4355
3134	my $bug_warning = 0;	4356	my $bug_warning = 0;
3135		4357
3136	our @WAIT_FOR_TICK;
3137	our @WAIT_FOR_TICK_BEGIN;
3138
3139	sub wait_for_tick {	4358	sub wait_for_tick() {
3140	return unless $TICK_WATCHER->is_active;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3141	return if $Coro::current == $Coro::main;
3142		4360
3143	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
3144	push @WAIT_FOR_TICK, $signal;
3145	$signal->wait;
3146	}	4362	}
3147		4363
3148	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
3149	return unless $TICK_WATCHER->is_active;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3150	return if $Coro::current == $Coro::main;
3151		4366
3152	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
3153	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
3154	$signal->wait;	4369	$signal->wait;
3155	}	4370	}
3156		4371
3157	my $min = 1e6;#d#	4372	sub tick {
3158	my $avg = 10;
3159	$TICK_WATCHER = Event->timer (
3160	reentrant => 0,
3161	parked => 1,
3162	prio => 0,
3163	at => $NEXT_TICK || $TICK,
3164	data => WF_AUTOCANCEL,
3165	cb => sub {
3166	if ($Coro::current != $Coro::main) {	4373	if ($Coro::current != $Coro::main) {
3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4374	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3168	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
3169	return;	4376	return;
3170	}	4377	}
3171		4378
3172	$NOW = $tick_start = Event::time;	4379	cf::one_tick; # one server iteration
3173		4380
3174	cf::server_tick; # one server iteration	4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3175		4382
3176	0 && sync_job {#d#	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3177	for(1..10) {	4384	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3178	my $t = Event::time;	4385	Coro::async_pool {
3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4386	$Coro::current->{desc} = "runtime saver";
3180	or die;	4387	write_runtime_sync
3181		4388	or error "ERROR: unable to write runtime file: $!";
3182	$map->width (50);
3183	$map->height (50);
3184	$map->alloc;
3185	$map->_load_objects ("/tmp/x.map", 1);
3186	my $t = Event::time - $t;
3187
3188	#next unless $t < 0.0013;#d#
3189	if ($t < $min) {
3190	$min = $t;
3191	}
3192	$avg = $avg * 0.99 + $t * 0.01;
3193	}
3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3195	exit 0;
3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3197	};	4389	};
		4390	}
3198		4391
3199	$RUNTIME += $TICK;
3200	$NEXT_TICK += $TICK;
3201
3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
3204	Coro::async_pool {
3205	write_runtime
3206	or warn "ERROR: unable to write runtime file: $!";
3207	};
3208	}
3209
3210	# my $AFTER = Event::time;
3211	# warn $AFTER - $NOW;#d#
3212
3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3214	$sig->send;	4393	$sig->send;
3215	}	4394	}
3216	while (my $sig = shift @WAIT_FOR_TICK) {	4395	$WAIT_FOR_TICK->broadcast;
3217	$sig->send;
3218	}
3219		4396
3220	$NOW = Event::time;	4397	$LOAD = ($NOW - $TICK_START) / $TICK;
3221
3222	# if we are delayed by four ticks or more, skip them all
3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3224
3225	$TICK_WATCHER->at ($NEXT_TICK);
3226	$TICK_WATCHER->start;
3227
3228	$LOAD = ($NOW - $tick_start) / $TICK;
3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3230		4399
3231	_post_tick;	4400	if (0) {
3232		4401	if ($NEXT_TICK) {
3233		4402	my $jitter = $TICK_START - $NEXT_TICK;
		4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4404	debug "jitter $JITTER\n";#d#
		4405	}
3234	},	4406	}
3235	);	4407	}
3236		4408
3237	{	4409	{
3238	BDB::max_poll_time $TICK * 0.1;	4410	# configure BDB
3239	$BDB_POLL_WATCHER = Event->io (	4411	info "initialising database";
3240	reentrant => 0,	4412
3241	fd => BDB::poll_fileno,
3242	poll => 'r',
3243	prio => 0,
3244	data => WF_AUTOCANCEL,
3245	cb => \&BDB::poll_cb,
3246	);
3247	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
3248		4414	BDB::max_poll_reqs $TICK * 0.1;
3249	BDB::set_sync_prepare {	4415	#$AnyEvent::BDB::WATCHER->priority (1);
3250	my $status;
3251	my $current = $Coro::current;
3252	(
3253	sub {
3254	$status = $!;
3255	$current->ready; undef $current;
3256	},
3257	sub {
3258	Coro::schedule while defined $current;
3259	$! = $status;
3260	},
3261	)
3262	};
3263		4416
3264	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
3265	$DB_ENV = BDB::db_env_create;	4418	$DB_ENV = BDB::db_env_create;
		4419	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4420	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4421	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4422	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4423	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3266		4424
3267	cf::sync_job {	4425	cf::sync_job {
3268	eval {	4426	eval {
3269	BDB::db_env_open	4427	BDB::db_env_open
3270	$DB_ENV,	4428	$DB_ENV,
…		…
3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4430	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4431	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3274	0666;	4432	0666;
3275		4433
3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4434	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3277
3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3279	$DB_ENV->set_lk_detect;
3280	};	4435	};
3281		4436
3282	cf::cleanup "db_env_open(db): $@" if $@;	4437	cf::cleanup "db_env_open(db): $@" if $@;
3283	};	4438	};
3284	}	4439	}
		4440
		4441	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4442	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4443	};
		4444	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4445	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4446	};
		4447	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4448	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4449	};
		4450
		4451	info "database initialised";
3285	}	4452	}
3286		4453
3287	{	4454	{
		4455	# configure IO::AIO
		4456
		4457	info "initialising aio";
3288	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
3289
3290	undef $Coro::AIO::WATCHER;
3291	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
3292	$AIO_POLL_WATCHER = Event->io (	4460	undef $AnyEvent::AIO::WATCHER;
3293	reentrant => 0,	4461	info "aio initialised";
3294	data => WF_AUTOCANCEL,
3295	fd => IO::AIO::poll_fileno,
3296	poll => 'r',
3297	prio => 6,
3298	cb => \&IO::AIO::poll_cb,
3299	);
3300	}	4462	}
3301		4463
3302	my $_log_backtrace;	4464	our $_log_backtrace;
		4465	our $_log_backtrace_last;
3303		4466
3304	sub _log_backtrace {	4467	sub _log_backtrace {
3305	my ($msg, @addr) = @_;	4468	my ($msg, @addr) = @_;
3306		4469
3307	$msg =~ s/\n//;	4470	$msg =~ s/\n$//;
3308		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3309	# limit the # of concurrent backtraces	4475	# limit the # of concurrent backtraces
3310	if ($_log_backtrace < 2) {	4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
3311	++$_log_backtrace;	4478	++$_log_backtrace;
		4479	my $perl_bt = Carp::longmess $msg;
3312	async {	4480	async {
		4481	$Coro::current->{desc} = "abt $msg";
		4482
3313	my @bt = fork_call {	4483	my @bt = fork_call {
3314	@addr = map { sprintf "%x", $_ } @addr;	4484	@addr = map { sprintf "%x", $_ } @addr;
3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4485	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4486	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3317	or die "addr2line: $!";	4487	or die "addr2line: $!";
…		…
3325	}	4495	}
3326		4496
3327	@funcs	4497	@funcs
3328	};	4498	};
3329		4499
3330	LOG llevInfo, "[ABT] $msg\n";	4500	LOG llevInfo, "[ABT] $perl_bt\n";
		4501	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3331	LOG llevInfo, "[ABT] $_\n" for @bt;	4502	LOG llevInfo, "[ABT] $_\n" for @bt;
3332	--$_log_backtrace;	4503	--$_log_backtrace;
3333	};	4504	};
3334	} else {	4505	} else {
3335	LOG llevInfo, "[ABT] $msg\n";	4506	LOG llevInfo, "[ABT] $msg\n";
3336	LOG llevInfo, "[ABT] [suppressed]\n";	4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3337	}	4508	}
3338	}	4509	}
3339		4510
3340	# load additional modules	4511	# load additional modules
3341	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
3342		4514
3343	END { cf::emergency_save }	4515	END { cf::emergency_save }
3344		4516
3345	1	4517	1
3346		4518

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