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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.375 by root, Sun Sep 30 20:22:21 2007 UTC vs.
Revision 1.622 by root, Wed Nov 23 06:05:33 2016 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 3.64 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
24	use Coro::Util ();	54	use Coro::Util ();
25		55
		56	use Guard ();
26	use JSON::XS ();	57	use JSON::XS 2.01 ();
27	use BDB ();	58	use BDB ();
28	use Data::Dumper;	59	use Data::Dumper;
29	use Digest::MD5;
30	use Fcntl;	60	use Fcntl;
31	use YAML::Syck ();	61	use YAML::XS ();
		62	use CBOR::XS ();
32	use IO::AIO 2.32 ();	63	use IO::AIO ();
33	use Time::HiRes;
34	use Compress::LZF;	64	use Compress::LZF;
35	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
36		68
37	# configure various modules to our taste	69	# configure various modules to our taste
38	#	70	#
39	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
42		79
43	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
44		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
46	$YAML::Syck::ImplicitUnicode = 1;
47
48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
49		82
50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
51		86
52	our %COMMAND = ();	87	our %COMMAND = ();
53	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
54		89
55	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
56	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
57	our %EXTICMD = ();	93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
58	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
59	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
60		97
61	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
62	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
63		102
64	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
65	our $DATADIR = datadir;	105	our $DATADIR = datadir;
66	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
67	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
68	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
69	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
70	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
73	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
74	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;
75		126
76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
77	our $TICK_WATCHER;
78	our $AIO_POLL_WATCHER;
79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
80	our $NEXT_TICK;	129	our $NEXT_TICK;
81	our $NOW;
82	our $USE_FSYNC = 1; # use fsync to write maps - default off	130	our $USE_FSYNC = 1; # use fsync to write maps - default on
83		131
84	our $BDB_POLL_WATCHER;
85	our $BDB_DEADLOCK_WATCHER;	132	our $BDB_DEADLOCK_WATCHER;
86	our $BDB_CHECKPOINT_WATCHER;	133	our $BDB_CHECKPOINT_WATCHER;
87	our $BDB_TRICKLE_WATCHER;	134	our $BDB_TRICKLE_WATCHER;
88	our $DB_ENV;	135	our $DB_ENV;
89		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
90	our %CFG;	139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
91		141
92	our $UPTIME; $UPTIME ||= time;	142	our $UPTIME; $UPTIME ||= time;
93	our $RUNTIME;	143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
		145	our $NOW;
94		146
95	our (%PLAYER, %PLAYER_LOADING); # all users	147	our (%PLAYER, %PLAYER_LOADING); # all users
96	our (%MAP, %MAP_LOADING ); # all maps	148	our (%MAP, %MAP_LOADING ); # all maps
97	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
98		150
99	# 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 ∕
100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
101		153
102	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)
103	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
104	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 $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
105		166
106	binmode STDOUT;	167	binmode STDOUT;
107	binmode STDERR;	168	binmode STDERR;
108		169
109	# read virtual server time, if available	170	# read virtual server time, if available
110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
111	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
112	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
113	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
114	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
115		178
116	mkdir $_	179	mkdir $_
117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
118		181
119	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
120		183
121	sub cf::map::normalise;	184	sub cf::map::normalise;
122		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
123	#############################################################################	190	#############################################################################
124		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
125	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
126		204
127	=over 4	205	=over 4
128		206
129	=item $cf::UPTIME	207	=item $cf::UPTIME
130		208
131	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.
132		225
133	=item $cf::RUNTIME	226	=item $cf::RUNTIME
134		227
135	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
136	every server tick.	229	every server tick.
137		230
138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
141		234
142	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
144	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
145	database environment.	238	database environment.
146		239
147	=item $cf::NOW
148
149	The time of the last (current) server tick.
150
151	=item $cf::TICK
152
153	The interval between server ticks, in seconds.
154
155	=item $cf::LOADAVG	240	=item $cf::LOADAVG
156		241
157	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
158	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
159	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
162		247
163	The raw value load value from the last tick.	248	The raw value load value from the last tick.
164		249
165	=item %cf::CFG	250	=item %cf::CFG
166		251
167	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
168	from wherever your confdir points to.	253	from wherever your confdir points to.
169		254
170	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
171		256
172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick.
173	returns directly I<after> the tick processing (and consequently, can only wake one process	258	cf::wait_for_tick_begin only returns directly I<after> the tick
		259	processing (and consequently, can only wake one thread per tick), while
174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	260	cf::wait_for_tick wakes up all waiters after tick processing.
		261
		262	Note that cf::wait_for_tick will immediately return when the server is not
		263	ticking, making it suitable for small pauses in threads that need to run
		264	when the server is paused. If that is not applicable (i.e. you I<really>
		265	want to wait, use C<$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();
175		278
176	=item @cf::INVOKE_RESULTS	279	=item @cf::INVOKE_RESULTS
177		280
178	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
179	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
180	that call.	283	that call.
181		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
182	=back	291	=back
183		292
184	=cut	293	=cut
185		294
186	BEGIN {	295	sub error(@) { LOG llevError, join "", @_ }
187	*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 {
188	my $msg = join "", @_;	302	my $msg = join "", @_;
189		303
190	$msg .= "\n"	304	$msg .= "\n"
191	unless $msg =~ /\n$/;	305	unless $msg =~ /\n$/;
192		306
193	$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;
194		308
195	LOG llevError, $msg;	309	LOG llevWarn, $msg;
196	};	310	};
197	}	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	};
198		325
199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
209	for my $pkg (qw(	336	for my $pkg (qw(
210	cf::global cf::attachable	337	cf::global cf::attachable
211	cf::object cf::object::player	338	cf::object cf::object::player
212	cf::client cf::player	339	cf::client cf::player
213	cf::arch cf::living	340	cf::arch cf::living
		341	cf::map cf::mapspace
214	cf::map cf::party cf::region	342	cf::party cf::region
215	)) {	343	)) {
216	no strict 'refs';
217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
218	}	345	}
219		346
220	$Event::DIED = sub {	347	$EV::DIED = sub {
221	warn "error in event callback: @_";	348	warn "error in event callback: $@";
222	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
223		355
224	#############################################################################	356	#############################################################################
225		357
226	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
227		359
…		…
248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
249	$d	381	$d
250	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
251	}	383	}
252		384
		385	=item $scalar = cf::load_file $path
		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($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
253	=item $ref = cf::from_json $json	437	=item $ref = cf::decode_json $json
254		438
255	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
256		440
257	=item $json = cf::to_json $ref	441	=item $json = cf::encode_json $ref
258		442
259	Converts a perl data structure into its JSON representation.	443	Converts a perl data structure into its JSON representation.
260		444
261	=cut	445	=cut
262		446
263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	447	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
264		448
265	sub to_json ($) { $json_coder->encode ($_[0]) }	449	sub encode_json($) { $json_coder->encode ($_[0]) }
266	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	}
267		527
268	=item cf::lock_wait $string	528	=item cf::lock_wait $string
269		529
270	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
271		531
272	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
273		533
274	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
275	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,
276	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
277	returned.	537	returned.
278		538
279	Locks are *not* recursive, locking from the same coro twice results in a	539	Locks are *not* recursive, locking from the same coro twice results in a
280	deadlocked coro.	540	deadlocked coro.
…		…
286		546
287	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.
288		548
289	=cut	549	=cut
290		550
291	our %LOCK;	551	our $LOCKS = new Coro::SemaphoreSet;
292	our %LOCKER;#d#
293		552
294	sub lock_wait($) {	553	sub lock_wait($) {
295	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
296
297	if ($LOCKER{$key} == $Coro::current) {#d#
298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299	return;#d#
300	}#d#
301
302	# wait for lock, if any
303	while ($LOCK{$key}) {
304	push @{ $LOCK{$key} }, $Coro::current;
305	Coro::schedule;
306	}
307	}	555	}
308		556
309	sub lock_acquire($) {	557	sub lock_acquire($) {
310	my ($key) = @_;	558	$LOCKS->guard ($_[0])
311
312	# wait, to be sure we are not locked
313	lock_wait $key;
314
315	$LOCK{$key} = [];
316	$LOCKER{$key} = $Coro::current;#d#
317
318	Coro::guard {
319	delete $LOCKER{$key};#d#
320	# wake up all waiters, to be on the safe side
321	$_->ready for @{ delete $LOCK{$key} };
322	}
323	}	559	}
324		560
325	sub lock_active($) {	561	sub lock_active($) {
326	my ($key) = @_;	562	$LOCKS->count ($_[0]) < 1
327
328	! ! $LOCK{$key}
329	}	563	}
330		564
331	sub freeze_mainloop {	565	sub freeze_mainloop {
332	return unless $TICK_WATCHER->is_active;	566	tick_inhibit_inc;
333		567
334	my $guard = Coro::guard {	568	&Guard::guard (\&tick_inhibit_dec);
335	$TICK_WATCHER->start;	569	}
336	};	570
337	$TICK_WATCHER->stop;	571	=item cf::periodic $interval, $cb
338	$guard	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
339	}	584	}
340		585
341	=item cf::get_slot $time[, $priority[, $name]]	586	=item cf::get_slot $time[, $priority[, $name]]
342		587
343	Allocate $time seconds of blocking CPU time at priority C<$priority>:	588	Allocate $time seconds of blocking CPU time at priority C<$priority>
344	This call blocks and returns only when you have at least C<$time> seconds	589	(default: 0): This call blocks and returns only when you have at least
345	of cpu time till the next tick. The slot is only valid till the next cede.	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.
346		595
347	The optional C<$name> can be used to identify the job to run. It might be	596	The optional C<$name> can be used to identify the job to run. It might be
348	used for statistical purposes and should identify the same time-class.	597	used for statistical purposes and should identify the same time-class.
349		598
350	Useful for short background jobs.	599	Useful for short background jobs.
351		600
352	=cut	601	=cut
353		602
354	our @SLOT_QUEUE;	603	our @SLOT_QUEUE;
355	our $SLOT_QUEUE;	604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
356		606
357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
358	$SLOT_QUEUE = Coro::async {	608	$SLOT_QUEUE = Coro::async {
359	$Coro::current->desc ("timeslot manager");	609	$Coro::current->desc ("timeslot manager");
360		610
361	my $signal = new Coro::Signal;	611	my $signal = new Coro::Signal;
		612	my $busy;
362		613
363	while () {	614	while () {
364	next_job:	615	next_job:
		616
		617	Coro::cede;
		618
365	my $avail = cf::till_tick;	619	my $avail = cf::till_tick;
366	if ($avail > 0.01) {	620
367	for (0 .. $#SLOT_QUEUE) {	621	for (0 .. $#SLOT_QUEUE) {
368	if ($SLOT_QUEUE[$_][0] < $avail) {	622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
369	my $job = splice @SLOT_QUEUE, $_, 1, ();	624	my $job = splice @SLOT_QUEUE, $_, 1, ();
370	$job->[2]->send;	625	$job->[2]->send;
371	Coro::cede;
372	goto next_job;	626	goto next_job;
373	}	627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
374	}	629	}
375	}	630	}
376		631
377	if (@SLOT_QUEUE) {	632	if (@SLOT_QUEUE) {
378	# we do not use wait_For_tick() as it returns immediately when tick is inactive	633	wait_for_tick;
379	push @cf::WAIT_FOR_TICK, $signal;
380	$signal->wait;
381	} else {	634	} else {
		635	$busy = 0;
382	Coro::schedule;	636	Coro::schedule;
383	}	637	}
384	}	638	}
385	};	639	};
386		640
387	sub get_slot($;$$) {	641	sub get_slot($;$$) {
		642	return if tick_inhibit || $Coro::current == $Coro::main;
		643
388	my ($time, $pri, $name) = @_;	644	my ($time, $pri, $name) = @_;
389		645
390	$time = $TICK * .6 if $time > $TICK * .6;	646	$time = clamp $time, 0.01, $TICK * .6;
		647
391	my $sig = new Coro::Signal;	648	my $sig = new Coro::Signal;
392		649
393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	650	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	651	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
395	$SLOT_QUEUE->ready;	652	$SLOT_QUEUE->ready;
…		…
406		663
407	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
408		665
409	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
410		667
411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	668	The design of Deliantra requires that the main coroutine ($Coro::main)
412	is always able to handle events or runnable, as Crossfire TRT is only	669	is always able to handle events or is runnable, as Deliantra is only
413	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
414	acceptable.	671	acceptable.
415		672
416	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
417	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
…		…
421	=cut	678	=cut
422		679
423	sub sync_job(&) {	680	sub sync_job(&) {
424	my ($job) = @_;	681	my ($job) = @_;
425		682
426	if ($Coro::current == $Coro::main) {	683	if (in_main) {
427	my $time = Event::time;	684	my $time = AE::time;
428		685
429	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
430	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
431		688
432	# TODO: use suspend/resume instead	689	#LOG llevError, Carp::longmess "sync job";#d#
433	# (but this is cancel-safe)	690
434	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
435		692
436	my $busy = 1;	693	my $busy = 1;
437	my @res;	694	my @res;
438		695
439	(async {	696	(async {
440	$Coro::current->desc ("sync job coro");	697	$Coro::current->desc ("sync job coro");
441	@res = eval { $job->() };	698	@res = eval { $job->() };
442	warn $@ if $@;	699	error $@ if $@;
443	undef $busy;	700	undef $busy;
444	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
445		702
446	while ($busy) {	703	while ($busy) {
447	Coro::cede or Event::one_event;	704	if (Coro::nready) {
		705	Coro::cede_notself;
		706	} else {
		707	EV::run EV::RUN_ONCE;
448	}	708	}
		709	}
449		710
450	$time = Event::time - $time;	711	my $time = AE::time - $time;
451		712
452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
454
455	$tick_start += $time; # do not account sync jobs to server load	713	$TICK_START += $time; # do not account sync jobs to server load
456		714
457	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
458	} else {	716	} else {
459	# we are in another coroutine, how wonderful, everything just works	717	# we are in another coroutine, how wonderful, everything just works
460		718
…		…
480	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
481		739
482	$coro	740	$coro
483	}	741	}
484		742
485	=item fork_call { }, $args	743	=item fork_call { }, @args
486		744
487	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
488	process, returning the results. Everything must be serialisable with	746	process, returning the results. Everything must be serialisable with
489	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
490	never block itself or use any form of Event handling.	748	never block itself or use any form of event handling.
491		749
492	=cut	750	=cut
		751
		752	sub post_fork {
		753	reset_signals;
		754	}
493		755
494	sub fork_call(&@) {	756	sub fork_call(&@) {
495	my ($cb, @args) = @_;	757	my ($cb, @args) = @_;
496		758
497	# we seemingly have to make a local copy of the whole thing,
498	# otherwise perl prematurely frees the stuff :/
499	# TODO: investigate and fix (likely this will be rather laborious)
500
501	my @res = Coro::Util::fork_eval {	759	my @res = Coro::Util::fork_eval {
502	reset_signals;	760	cf::post_fork;
503	&$cb	761	&$cb
504	}, @args;	762	} @args;
505		763
506	wantarray ? @res : $res[-1]	764	wantarray ? @res : $res[-1]
		765	}
		766
		767	sub objinfo {
		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
507	}	803	}
508		804
509	=item $value = cf::db_get $family => $key	805	=item $value = cf::db_get $family => $key
510		806
511	Returns a single value from the environment database.	807	Returns a single value from the environment database.
…		…
521	within each server.	817	within each server.
522		818
523	=cut	819	=cut
524		820
525	sub db_table($) {	821	sub db_table($) {
		822	cf::error "db_get called from main context"
		823	if $Coro::current == $Coro::main;
		824
526	my ($name) = @_;	825	my ($name) = @_;
527	my $db = BDB::db_create $DB_ENV;	826	my $db = BDB::db_create $DB_ENV;
528		827
529	eval {	828	eval {
530	$db->set_flags (BDB::CHKSUM);	829	$db->set_flags (BDB::CHKSUM);
…		…
540	}	839	}
541		840
542	our $DB;	841	our $DB;
543		842
544	sub db_init {	843	sub db_init {
545	cf::sync_job {
546	$DB ||= db_table "db";	844	$DB ||= db_table "db";
547	};
548	}	845	}
549		846
550	sub db_get($$) {	847	sub db_get($$) {
551	my $key = "$_[0]/$_[1]";	848	my $key = "$_[0]/$_[1]";
552		849
553	cf::sync_job {	850	cf::error "db_get called from main context"
		851	if $Coro::current == $Coro::main;
		852
554	BDB::db_get $DB, undef, $key, my $data;	853	BDB::db_get $DB, undef, $key, my $data;
555		854
556	$! ? ()	855	$! ? ()
557	: $data	856	: $data
558	}
559	}	857	}
560		858
561	sub db_put($$$) {	859	sub db_put($$$) {
562	BDB::dbreq_pri 4;	860	BDB::dbreq_pri 4;
563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
591		889
592	my @data;	890	my @data;
593	my $md5;	891	my $md5;
594		892
595	for (0 .. $#$src) {	893	for (0 .. $#$src) {
596	0 <= aio_load $src->[$_], $data[$_]	894	$data[$_] = load_file $src->[$_];
597	or Carp::croak "$src->[$_]: $!";
598	}	895	}
599		896
600	# if processing is expensive, check	897	# if processing is expensive, check
601	# checksum first	898	# checksum first
602	if (1) {	899	if (1) {
…		…
615		912
616	return db_get cache => "$id/data";	913	return db_get cache => "$id/data";
617	}	914	}
618	}	915	}
619		916
620	my $t1 = Time::HiRes::time;	917	my $t1 = EV::time;
621	my $data = $process->(\@data);	918	my $data = $process->(\@data);
622	my $t2 = Time::HiRes::time;	919	my $t2 = EV::time;
623		920
624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	921	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
625		922
626	db_put cache => "$id/data", $data;	923	db_put cache => "$id/data", $data;
627	db_put cache => "$id/md5" , $md5;	924	db_put cache => "$id/md5" , $md5;
628	db_put cache => "$id/meta", $meta;	925	db_put cache => "$id/meta", $meta;
629		926
…		…
639		936
640	=cut	937	=cut
641		938
642	sub datalog($@) {	939	sub datalog($@) {
643	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
644	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
645	}	942	}
646		943
647	=back	944	=back
648		945
649	=cut	946	=cut
650		947
651	#############################################################################	948	#############################################################################
652		949
653	=head2 ATTACHABLE OBJECTS	950	=head2 ATTACHABLE OBJECTS
654		951
655	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
656	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")
657	to it. All such attachable objects support the following methods.	954	to it. All such attachable objects support the following methods.
658		955
659	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>
660	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
661	Crossfire TRT).	958	Deliantra).
662		959
663	=over 4	960	=over 4
664		961
665	=item $attachable->attach ($attachment, key => $value...)	962	=item $attachable->attach ($attachment, key => $value...)
666		963
…		…
710	=item cf::CLASS::attachment $name, ...	1007	=item cf::CLASS::attachment $name, ...
711		1008
712	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
713	given CLASS can refer to this attachment.	1010	given CLASS can refer to this attachment.
714		1011
715	Some classes such as crossfire maps and objects can specify attachments	1012	Some classes such as deliantra maps and objects can specify attachments
716	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.
717		1014
718	These calls expect any number of the following handler/hook descriptions:	1015	These calls expect any number of the following handler/hook descriptions:
719		1016
720	=over 4	1017	=over 4
…		…
844		1141
845	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
846	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
847		1144
848	} elsif (ref $type) {	1145	} elsif (ref $type) {
849	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
850		1147
851	} else {	1148	} else {
852	shift @arg;	1149	shift @arg;
853	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
854	}	1151	}
855	}	1152	}
856	}	1153	}
857		1154
858	sub _object_attach {	1155	sub _object_attach {
…		…
868	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
869	}	1166	}
870		1167
871	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
872	} else {	1169	} else {
873	warn "object uses attachment '$name' which is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
874	}	1171	}
875		1172
876	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
877	}	1174	}
878		1175
…		…
937		1234
938	for (@$callbacks) {	1235	for (@$callbacks) {
939	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
940		1237
941	if ($@) {	1238	if ($@) {
942	warn "$@";
943	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
944	override;	1240	override;
945	}	1241	}
946		1242
947	return 1 if $override;	1243	return 1 if $override;
948	}	1244	}
949		1245
950	0	1246	0
951	}	1247	}
952		1248
953	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1249	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
954		1250
955	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1251	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
956		1252
957	Generate an object-specific event with the given arguments.	1253	Generate an object-specific event with the given arguments.
958		1254
…		…
964		1260
965	=cut	1261	=cut
966		1262
967	#############################################################################	1263	#############################################################################
968	# object support	1264	# object support
969	#
970		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#
971	sub _can_merge {	1299	sub _can_merge {
972	my ($ob1, $ob2) = @_;	1300	my ($ob1, $ob2) = @_;
973		1301
974	local $Storable::canonical = 1;	1302	++$SLOW_MERGES;#d#
975	my $fob1 = Storable::freeze $ob1;
976	my $fob2 = Storable::freeze $ob2;
977		1303
978	$fob1 eq $fob2	1304	# we do the slow way here
		1305	return _object_equal $ob1, $ob2
979	}	1306	}
980		1307
981	sub reattach {	1308	sub reattach {
982	# basically do the same as instantiate, without calling instantiate	1309	# basically do the same as instantiate, without calling instantiate
983	my ($obj) = @_;	1310	my ($obj) = @_;
984		1311
		1312	# no longer needed after getting rid of delete_package?
985	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
986		1314
987	my $registry = $obj->registry;	1315	my $registry = $obj->registry;
988		1316
989	@$registry = ();	1317	@$registry = ();
990		1318
…		…
995	for (@$attach) {	1323	for (@$attach) {
996	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
997	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
998	}	1326	}
999	} else {	1327	} else {
1000	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
1001	}	1329	}
1002	}	1330	}
1003	}	1331	}
1004		1332
1005	cf::attachable->attach (	1333	cf::attachable->attach (
1006	prio => -1000000,	1334	prio => -1000000,
1007	on_instantiate => sub {	1335	on_instantiate => sub {
1008	my ($obj, $data) = @_;	1336	my ($obj, $data) = @_;
1009		1337
1010	$data = from_json $data;	1338	$data = decode_json $data;
1011		1339
1012	for (@$data) {	1340	for (@$data) {
1013	my ($name, $args) = @$_;	1341	my ($name, $args) = @$_;
1014		1342
1015	$obj->attach ($name, %{$args || {} });	1343	$obj->attach ($name, %{$args || {} });
…		…
1032	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
1033		1361
1034	sync_job {	1362	sync_job {
1035	if (length $$rdata) {	1363	if (length $$rdata) {
1036	utf8::decode (my $decname = $filename);	1364	utf8::decode (my $decname = $filename);
1037	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
1038	$decname, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
1039		1368
1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1041	chmod SAVE_MODE, $fh;	1370	aio_chmod $fh, SAVE_MODE;
1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1043	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	}
1044	close $fh;	1376	aio_close $fh;
1045		1377
1046	if (@$objs) {	1378	if (@$objs) {
1047	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) {
1048	chmod SAVE_MODE, $fh;	1380	aio_chmod $fh, SAVE_MODE;
1049	my $data = Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1050	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
1051	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	}
1052	close $fh;	1387	aio_close $fh;
1053	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
1054	}	1389	}
1055	} else {	1390	} else {
1056	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
1057	}	1392	}
1058		1393
1059	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
		1395
		1396	$filename =~ s%/[^/]+$%%;
		1397	aio_pathsync $filename if $cf::USE_FSYNC;
1060	} else {	1398	} else {
1061	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
1062	}	1400	}
1063	} else {	1401	} else {
1064	aio_unlink $filename;	1402	aio_unlink $filename;
1065	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
1066	}	1404	}
…		…
1085		1423
1086	unless (aio_stat "$filename.pst") {	1424	unless (aio_stat "$filename.pst") {
1087	(aio_load "$filename.pst", $av) >= 0	1425	(aio_load "$filename.pst", $av) >= 0
1088	or return;	1426	or return;
1089		1427
1090	$av = eval { (Storable::thaw $av)->{objs} };	1428	my $st = eval { Coro::Storable::thaw $av };
		1429	$av = $st->{objs};
1091	}	1430	}
1092		1431
1093	utf8::decode (my $decname = $filename);	1432	utf8::decode (my $decname = $filename);
1094	warn sprintf "loading %s (%d,%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
1095	$decname, length $data, scalar @{$av || []};	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
1096		1436
1097	($data, $av)	1437	($data, $av)
1098	}	1438	}
1099		1439
1100	=head2 COMMAND CALLBACKS	1440	=head2 COMMAND CALLBACKS
…		…
1104	=cut	1444	=cut
1105		1445
1106	#############################################################################	1446	#############################################################################
1107	# command handling &c	1447	# command handling &c
1108		1448
1109	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
1110		1450
1111	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
1112	$name.	1452	$name.
1113		1453
1114	=cut	1454	=cut
…		…
1120	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
1121		1461
1122	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
1123	}	1463	}
1124		1464
1125	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
1126		1466
1127	Register a callback for execution when the client sends an (synchronous)	1467	Register a callback for execution when the client sends an (synchronous)
1128	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
1129	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
1130	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
1131	has logged in successfully.	1471	has logged in successfully.
1132		1472
1133	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1134	called.
1135		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
1136	=item cf::register_exticmd $name => \&callback($ns,$packet);	1480	=item cf::register_exticmd $name => \&callback($ns,@args)
1137		1481
1138	Register a callback for execution when the client sends an (asynchronous)	1482	Register a callback for execution when the client sends an (asynchronous)
1139	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
1140	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
1141	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
1142	log-in.	1486	log-in.
1143		1487
1144	If the callback returns something, it is sent back as if reply was being	1488	The values will be sent back to the client.
1145	called.
1146		1489
1147	=cut	1490	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1148		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
1149	sub register_extcmd {	1497	sub register_extcmd($$) {
1150	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
1151		1499
1152	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
1153	}	1501	}
1154		1502
1155	sub register_exticmd {	1503	sub register_async_extcmd($$) {
1156	my ($name, $cb) = @_;	1504	my ($name, $cb) = @_;
1157		1505
		1506	$EXTACMD{$name} = $cb;
		1507	}
		1508
		1509	sub register_exticmd($$) {
		1510	my ($name, $cb) = @_;
		1511
1158	$EXTICMD{$name} = $cb;	1512	$EXTICMD{$name} = $cb;
1159	}	1513	}
1160		1514
		1515	sub register_async_exticmd($$) {
		1516	my ($name, $cb) = @_;
		1517
		1518	$EXTIACMD{$name} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
1161	cf::player->attach (	1523	cf::player->attach (
1162	on_command => sub {	1524	on_unknown_command => sub {
1163	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
1164		1526
1165	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
1166	or return;	1528	or return;
1167		1529
…		…
1175	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
1176		1538
1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1178		1540
1179	if (ref $msg) {	1541	if (ref $msg) {
1180	my ($type, $reply, @payload) =	1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1181	"ARRAY" eq ref $msg
1182	? @$msg
1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1184		1543
1185	my @reply;
1186
1187	if (my $cb = $EXTCMD{$type}) {	1544	if (my $cb = $EXTACMD{$type}) {
		1545	$cb->(
		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}) {
1188	@reply = $cb->($pl, @payload);	1557	@reply = $cb->($pl, @payload);
		1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
1189	}	1562	}
1190		1563
1191	$pl->ext_reply ($reply, @reply)
1192	if $reply;
1193
1194	} else {	1564	} else {
1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1196	}	1566	}
1197		1567
1198	cf::override;	1568	cf::override;
1199	},	1569	},
1200	);	1570	);
1201		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
1202	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
1203	cf::sync_job {	1601	cf::sync_job {
1204	my %todo;	1602	my %todo;
1205		1603
1206	for my $path (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
1207	next unless -r $path;	1605	next unless -r $path;
…		…
1225		1623
1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1624	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1625	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1228		1626
1229	$ext{source} =	1627	$ext{source} =
1230	"package $pkg; use strict; use utf8;\n"	1628	"package $pkg; use common::sense;\n"
1231	. "#line 1 \"$path\"\n{\n"	1629	. "#line 1 \"$path\"\n{\n"
1232	. $source	1630	. $source
1233	. "\n};\n1";	1631	. "\n};\n1";
1234		1632
1235	$todo{$base} = \%ext;	1633	$todo{$base} = \%ext;
1236	}	1634	}
1237		1635
		1636	my $pass = 0;
1238	my %done;	1637	my %done;
1239	while (%todo) {	1638	while (%todo) {
1240	my $progress;	1639	my $progress;
1241		1640
		1641	++$pass;
		1642
		1643	ext:
1242	while (my ($k, $v) = each %todo) {	1644	while (my ($k, $v) = each %todo) {
1243	for (split /,\s*/, $v->{meta}{depends}) {	1645	for (split /,\s*/, $v->{meta}{depends}) {
1244	goto skip	1646	next ext
1245	unless exists $done{$_};	1647	unless exists $done{$_};
1246	}	1648	}
1247		1649
1248	warn "... loading '$k' into '$v->{pkg}'\n";	1650	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1249		1651
1250	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 $@) {
1251	my $msg = $@ ? "$v->{path}: $@\n"	1664	error "$v->{path}: $@\n";
1252	: "$v->{base}: extension inactive.\n";
1253		1665
		1666	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1254	if (exists $v->{meta}{mandatory}) {	1667	if exists $v->{meta}{mandatory};
1255	warn $msg;	1668
1256	warn "mandatory extension failed to load, exiting.\n";	1669	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1257	exit 1;	1670	delete $todo{$k};
1258	}	1671	} else {
1259		1672	$done{$k} = delete $todo{$k};
1260	warn $msg;	1673	push @EXTS, $v->{pkg};
		1674	$progress = 1;
		1675
		1676	info "$v->{base}: extension inactive.\n"
		1677	unless $active;
1261	}	1678	}
1262
1263	$done{$k} = delete $todo{$k};
1264	push @EXTS, $v->{pkg};
1265	$progress = 1;
1266	}	1679	}
1267		1680
1268	skip:	1681	unless ($progress) {
1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1682	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1270	unless $progress;	1683
		1684	while (my ($k, $v) = each %todo) {
		1685	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1686	if exists $v->{meta}{mandatory};
		1687	}
		1688
		1689	last;
		1690	}
1271	}	1691	}
1272	};	1692	};
1273	}	1693	}
1274		1694
1275	#############################################################################	1695	#############################################################################
1276		1696
1277	=back	1697	=back
1278		1698
1279	=head2 CORE EXTENSIONS	1699	=head2 CORE EXTENSIONS
1280		1700
1281	Functions and methods that extend core crossfire objects.	1701	Functions and methods that extend core deliantra objects.
1282		1702
1283	=cut	1703	=cut
1284		1704
1285	package cf::player;	1705	package cf::player;
1286		1706
…		…
1329		1749
1330	sub exists($) {	1750	sub exists($) {
1331	my ($login) = @_;	1751	my ($login) = @_;
1332		1752
1333	$cf::PLAYER{$login}	1753	$cf::PLAYER{$login}
1334	or cf::sync_job { !aio_stat path $login }	1754	or !aio_stat path $login
1335	}	1755	}
1336		1756
1337	sub find($) {	1757	sub find($) {
1338	return $cf::PLAYER{$_[0]} || do {	1758	return $cf::PLAYER{$_[0]} || do {
1339	my $login = $_[0];	1759	my $login = $_[0];
…		…
1351	my $f = new_from_file cf::object::thawer path $login	1771	my $f = new_from_file cf::object::thawer path $login
1352	or return;	1772	or return;
1353		1773
1354	my $pl = cf::player::load_pl $f	1774	my $pl = cf::player::load_pl $f
1355	or return;	1775	or return;
		1776
1356	local $cf::PLAYER_LOADING{$login} = $pl;	1777	local $cf::PLAYER_LOADING{$login} = $pl;
1357	$f->resolve_delayed_derefs;	1778	$f->resolve_delayed_derefs;
1358	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1359	}	1780	}
1360	}	1781	}
1361	}	1782	}
1362		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($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	);
		1796
1363	sub save($) {	1797	sub save($) {
1364	my ($pl) = @_;	1798	my ($pl) = @_;
1365		1799
1366	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
1367		1801
…		…
1370		1804
1371	return if $pl->{deny_save};	1805	return if $pl->{deny_save};
1372		1806
1373	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1374	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
		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];
1375		1814
1376	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1377	cf::cede_to_tick;	1816	cf::cede_to_tick;
1378	}	1817	}
1379		1818
…		…
1411	my ($pl) = @_;	1850	my ($pl) = @_;
1412		1851
1413	my $name = $pl->ob->name;	1852	my $name = $pl->ob->name;
1414		1853
1415	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1416	$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
1417		1856
1418	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1419	$pl->deactivate;	1858	$pl->deactivate;
		1859
		1860	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1420	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1421	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1422		1865
1423	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1424	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1425	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
…		…
1463		1906
1464	for my $login (@$dirs) {	1907	for my $login (@$dirs) {
1465	my $path = path $login;	1908	my $path = path $login;
1466		1909
1467	# a .pst is a dead give-away for a valid player	1910	# a .pst is a dead give-away for a valid player
1468	unless (-e "$path.pst") {	1911	# if no pst file found, open and chekc for blocked users
		1912	if (aio_stat "$path.pst") {
1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;	1913	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1470	aio_read $fh, 0, 512, my $buf, 0 or next;	1914	aio_read $fh, 0, 512, my $buf, 0 or next;
1471	$buf !~ /^password -------------$/m or next; # official not-valid tag	1915	$buf !~ /^password -------------$/m or next; # official not-valid tag
1472	}	1916	}
1473		1917
…		…
1477		1921
1478	\@logins	1922	\@logins
1479	}	1923	}
1480		1924
1481	=item $player->maps	1925	=item $player->maps
		1926
		1927	=item cf::player::maps $login
1482		1928
1483	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1484	player. May block.	1930	player. May block.
1485		1931
1486	=cut	1932	=cut
…		…
1504	}	1950	}
1505		1951
1506	\@paths	1952	\@paths
1507	}	1953	}
1508		1954
1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1510		1956
1511	Expand crossfire pod fragments into protocol xml.	1957	Expand deliantra pod fragments into protocol xml.
1512
1513	=cut
1514
1515	sub expand_cfpod {
1516	((my $self), (local $_)) = @_;
1517
1518	# escape & and <
1519	s/&/&amp;/g;
1520	s/(?<![BIUGHT])</&lt;/g;
1521
1522	# this is buggy, it needs to properly take care of nested <'s
1523
1524	1 while
1525	# replace B<>, I<>, U<> etc.
1526	s/B<([^\>]*)>/<b>$1<\/b>/
1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
1530	# replace G<male|female> tags
1531	|| s{G<([^>|]*)\|([^>]*)>}{
1532	$self->gender ? $2 : $1
1533	}ge
1534	# replace H<hint text>
1535	|| s{H<([^\>]*)>}
1536	{
1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1539	"")
1540	[$self->{hintmode}]
1541	}ge;
1542
1543	# create single paragraphs (very hackish)
1544	s/(?<=\S)\n(?=\w)/ /g;
1545
1546	# compress some whitespace
1547	s/\s+\n/\n/g; # ws line-ends
1548	s/\n\n+/\n/g; # double lines
1549	s/^\n+//; # beginning lines
1550	s/\n+$//; # ending lines
1551
1552	$_
1553	}
1554
1555	sub hintmode {
1556	$_[0]{hintmode} = $_[1] if @_ > 1;
1557	$_[0]{hintmode}
1558	}
1559
1560	=item $player->ext_reply ($msgid, @msg)
1561
1562	Sends an ext reply to the player.
1563
1564	=cut
1565
1566	sub ext_reply($$@) {
1567	my ($self, $id, @msg) = @_;
1568
1569	$self->ns->ext_reply ($id, @msg)
1570	}
1571		1958
1572	=item $player->ext_msg ($type, @msg)	1959	=item $player->ext_msg ($type, @msg)
1573		1960
1574	Sends an ext event to the client.	1961	Sends an ext event to the client.
1575		1962
…		…
1595		1982
1596	=cut	1983	=cut
1597		1984
1598	sub find_by_path($) {	1985	sub find_by_path($) {
1599	my ($path) = @_;	1986	my ($path) = @_;
		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
1600		1989
1601	my ($match, $specificity);	1990	my ($match, $specificity);
1602		1991
1603	for my $region (list) {	1992	for my $region (list) {
1604	if ($region->{match} && $path =~ $region->{match}) {	1993	if ($region->{match} && $path =~ $region->{match}) {
…		…
1630	our $MAX_RESET = 3600;	2019	our $MAX_RESET = 3600;
1631	our $DEFAULT_RESET = 3000;	2020	our $DEFAULT_RESET = 3000;
1632		2021
1633	sub generate_random_map {	2022	sub generate_random_map {
1634	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1635	# mit "rum" bekleckern, nicht	2024
		2025	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2026
1636	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1637	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1638	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1639	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1640	$rmp->{exit_on_final_map},
1641	$rmp->{xsize}, $rmp->{ysize},
1642	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1643	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1644	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1645	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1646	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1647	(cf::region::find $rmp->{region}), $rmp->{custom}
1648	)
1649	}	2028	}
1650		2029
1651	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1652		2031
1653	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
…		…
1658		2037
1659	sub register {	2038	sub register {
1660	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1661	my $pkg = caller;	2040	my $pkg = caller;
1662		2041
1663	no strict;
1664	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1665		2043
1666	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1667	}	2045	}
1668		2046
1669	# also paths starting with '/'	2047	# also paths starting with '/'
1670	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1671		2049
1672	sub thawer_merge {	2050	sub thawer_merge {
1673	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1674		2052
1675	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
…		…
1680	}	2058	}
1681		2059
1682	sub normalise {	2060	sub normalise {
1683	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1684		2062
1685	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1686		2064
1687	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1688		2066
1689	# map plan:	2067	# map plan:
1690	#	2068	#
…		…
1705	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1706	$path = "$base/$path";	2084	$path = "$base/$path";
1707	}	2085	}
1708		2086
1709	for ($path) {	2087	for ($path) {
1710	redo if s{//}{/};
1711	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1712	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1713	}	2090	}
1714		2091
1715	$path	2092	$path
…		…
1729	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1730	return $self;	2107	return $self;
1731	}	2108	}
1732	}	2109	}
1733		2110
1734	Carp::cluck "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1735	()	2112	()
1736	}	2113	}
1737		2114
		2115	# may re-bless or do other evil things
1738	sub init {	2116	sub init {
1739	my ($self) = @_;	2117	my ($self) = @_;
1740		2118
1741	$self	2119	$self
1742	}	2120	}
…		…
1761		2139
1762	# the temporary/swap location	2140	# the temporary/swap location
1763	sub save_path {	2141	sub save_path {
1764	my ($self) = @_;	2142	my ($self) = @_;
1765		2143
1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2144	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1767	"$TMPDIR/$path.map"	2145	"$TMPDIR/$path.map"
1768	}	2146	}
1769		2147
1770	# the unique path, undef == no special unique path	2148	# the unique path, undef == no special unique path
1771	sub uniq_path {	2149	sub uniq_path {
1772	my ($self) = @_;	2150	my ($self) = @_;
1773		2151
1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1775	"$UNIQUEDIR/$path"	2153	"$UNIQUEDIR/$path"
1776	}
1777
1778	# and all this just because we cannot iterate over
1779	# all maps in C++...
1780	sub change_all_map_light {
1781	my ($change) = @_;
1782
1783	$_->change_map_light ($change)
1784	for grep $_->outdoor, values %cf::MAP;
1785	}	2154	}
1786		2155
1787	sub decay_objects {	2156	sub decay_objects {
1788	my ($self) = @_;	2157	my ($self) = @_;
1789		2158
…		…
1816	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1817		2186
1818	1	2187	1
1819	}	2188	}
1820		2189
		2190	# used to laod the header of an original map
1821	sub load_header_orig {	2191	sub load_header_orig {
1822	my ($self) = @_;	2192	my ($self) = @_;
1823		2193
1824	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1825	}	2195	}
1826		2196
		2197	# used to laod the header of an instantiated map
1827	sub load_header_temp {	2198	sub load_header_temp {
1828	my ($self) = @_;	2199	my ($self) = @_;
1829		2200
1830	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1831	}	2202	}
1832		2203
		2204	# called after loading the header from an instantiated map
1833	sub prepare_temp {	2205	sub prepare_temp {
1834	my ($self) = @_;	2206	my ($self) = @_;
1835		2207
1836	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1837	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1838	# safety	2210	# safety
1839	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
1840	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
1841	}	2213	}
1842		2214
		2215	# called after loading the header from an original map
1843	sub prepare_orig {	2216	sub prepare_orig {
1844	my ($self) = @_;	2217	my ($self) = @_;
1845		2218
1846	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
1847	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1871		2244
1872	sub find;	2245	sub find;
1873	sub find {	2246	sub find {
1874	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
1875		2248
		2249	cf::cede_to_tick;
		2250
1876	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
1877		2252
1878	cf::lock_wait "map_data:$path";#d#remove	2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1879	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
1880		2255
1881	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
1882	my $guard1 = cf::lock_acquire "map_find:$path";
1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1884
1885	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
1886	or return;	2258	or return;
1887		2259
1888	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
1889		2261
…		…
1891	or return;	2263	or return;
1892		2264
1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2265	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1894	# doing this can freeze the server in a sync job, obviously	2266	# doing this can freeze the server in a sync job, obviously
1895	#$cf::WAIT_FOR_TICK->wait;	2267	#$cf::WAIT_FOR_TICK->wait;
		2268	undef $guard2;
1896	undef $guard1;	2269	undef $guard1;
1897	undef $guard2;
1898	$map->reset;	2270	$map->reset;
1899	return find $path;	2271	return find $path;
1900	}	2272	}
1901		2273
1902	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
1903	}	2275	}
1904	}	2276	}
1905		2277
1906	sub pre_load { }	2278	sub pre_load { }
1907	sub post_load { }	2279	#sub post_load { } # XS
1908		2280
1909	sub load {	2281	sub load {
1910	my ($self) = @_;	2282	my ($self) = @_;
1911		2283
1912	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
…		…
1915		2287
1916	{	2288	{
1917	my $guard = cf::lock_acquire "map_data:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
1918		2290
1919	return unless $self->valid;	2291	return unless $self->valid;
1920	return unless $self->in_memory == cf::MAP_SWAPPED;	2292	return unless $self->state == cf::MAP_SWAPPED;
1921
1922	$self->in_memory (cf::MAP_LOADING);
1923		2293
1924	$self->alloc;	2294	$self->alloc;
1925		2295
1926	$self->pre_load;	2296	$self->pre_load;
1927	cf::cede_to_tick;	2297	cf::cede_to_tick;
1928		2298
		2299	if (exists $self->{load_path}) {
1929	my $f = new_from_file cf::object::thawer $self->{load_path};	2300	my $f = new_from_file cf::object::thawer $self->{load_path};
1930	$f->skip_block;	2301	$f->skip_block;
1931	$self->_load_objects ($f)	2302	$self->_load_objects ($f)
1932	or return;	2303	or return;
1933		2304
1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2305	$self->post_load_original
1935	if delete $self->{load_original};	2306	if delete $self->{load_original};
1936		2307
1937	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
1938	utf8::encode $uniq;	2309	utf8::encode $uniq;
1939	unless (aio_stat $uniq) {	2310	unless (aio_stat $uniq) {
1940	if (my $f = new_from_file cf::object::thawer $uniq) {	2311	if (my $f = new_from_file cf::object::thawer $uniq) {
1941	$self->clear_unique_items;	2312	$self->clear_unique_items;
1942	$self->_load_objects ($f);	2313	$self->_load_objects ($f);
1943	$f->resolve_delayed_derefs;	2314	$f->resolve_delayed_derefs;
		2315	}
1944	}	2316	}
1945	}	2317	}
1946	}
1947		2318
1948	$f->resolve_delayed_derefs;	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);
1949		2326
1950	cf::cede_to_tick;	2327	cf::cede_to_tick;
1951	# now do the right thing for maps	2328	# now do the right thing for maps
1952	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
1953	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
…		…
1957	unless ($self->{deny_activate}) {	2334	unless ($self->{deny_activate}) {
1958	$self->decay_objects;	2335	$self->decay_objects;
1959	$self->fix_auto_apply;	2336	$self->fix_auto_apply;
1960	$self->update_buttons;	2337	$self->update_buttons;
1961	cf::cede_to_tick;	2338	cf::cede_to_tick;
1962	$self->set_darkness_map;	2339	#$self->activate; # no longer activate maps automatically
1963	cf::cede_to_tick;
1964	$self->activate;
1965	}	2340	}
1966		2341
1967	$self->{last_save} = $cf::RUNTIME;	2342	$self->{last_save} = $cf::RUNTIME;
1968	$self->last_access ($cf::RUNTIME);	2343	$self->last_access ($cf::RUNTIME);
1969
1970	$self->in_memory (cf::MAP_IN_MEMORY);
1971	}	2344	}
1972		2345
1973	$self->post_load;	2346	$self->post_load;
1974	}
1975		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
1976	sub customise_for {	2354	sub customise_for {
1977	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
1978		2356
1979	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
1980	if $self->per_player;	2358	if $self->per_player;
…		…
1983	# if $self->per_party;	2361	# if $self->per_party;
1984		2362
1985	$self	2363	$self
1986	}	2364	}
1987		2365
1988	# find and load all maps in the 3x3 area around a map
1989	sub load_neighbours {
1990	my ($map) = @_;
1991
1992	my @neigh; # diagonal neighbours
1993
1994	for (0 .. 3) {
1995	my $neigh = $map->tile_path ($_)
1996	or next;
1997	$neigh = find $neigh, $map
1998	or next;
1999	$neigh->load;
2000
2001	push @neigh,
2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2004	}
2005
2006	for (grep defined $_->[0], @neigh) {
2007	my ($path, $origin) = @$_;
2008	my $neigh = find $path, $origin
2009	or next;
2010	$neigh->load;
2011	}
2012	}
2013
2014	sub find_sync {	2366	sub find_sync {
2015	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
2016		2368
2017	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
2018	}	2374	}
2019		2375
2020	sub do_load_sync {	2376	sub do_load_sync {
2021	my ($map) = @_;	2377	my ($map) = @_;
2022		2378
		2379	# it's a bug to call this from the main context
2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2380	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2024	if $Coro::current == $Coro::main;	2381	if $Coro::current == $Coro::main;
2025		2382
2026	cf::sync_job { $map->load };	2383	$map->load;
2027	}	2384	}
2028		2385
2029	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
2030	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
2031		2388
2032	sub find_async {	2389	sub find_async {
2033	my ($path, $origin, $load) = @_;	2390	my ($path, $origin, $load) = @_;
2034		2391
2035	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
2036		2393
2037	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;	2395	return $map if !$load || $map->linkable;
2039	}	2396	}
2040		2397
2041	$MAP_PREFETCH{$path} |= $load;	2398	$MAP_PREFETCH{$path} |= $load;
2042		2399
2043	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
2044	$Coro::current->{desc} = "map prefetcher";	2401	$Coro::current->{desc} = "map prefetcher";
2045		2402
2046	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
2047	while (my ($k, $v) = each %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
2048	if (my $map = find $k) {	2405	if (my $map = find $k) {
2049	$map->load if $v;	2406	$map->load if $MAP_PREFETCH{$k};
2050	}	2407	}
2051		2408
2052	delete $MAP_PREFETCH{$k};	2409	delete $MAP_PREFETCH{$k};
2053	}	2410	}
2054	}	2411	}
…		…
2057	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
2058		2415
2059	()	2416	()
2060	}	2417	}
2061		2418
		2419	# common code, used by both ->save and ->swapout
2062	sub save {	2420	sub _save {
2063	my ($self) = @_;	2421	my ($self) = @_;
2064
2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
2066		2422
2067	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
2068		2424
2069	return unless $self->dirty;	2425	return unless $self->dirty;
2070		2426
…		…
2079		2435
2080	cf::async {	2436	cf::async {
2081	$Coro::current->{desc} = "map player save";	2437	$Coro::current->{desc} = "map player save";
2082	$_->contr->save for $self->players;	2438	$_->contr->save for $self->players;
2083	};	2439	};
		2440
		2441	cf::get_slot 0.02;
2084		2442
2085	if ($uniq) {	2443	if ($uniq) {
2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2444	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2087	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2445	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2088	} else {	2446	} else {
2089	$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);
2090	}	2448	}
2091	}	2449	}
2092		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
2093	sub swap_out {	2459	sub swap_out {
2094	my ($self) = @_;	2460	my ($self) = @_;
2095		2461
2096	# save first because save cedes
2097	$self->save;
2098
2099	my $lock = cf::lock_acquire "map_data:$self->{path}";	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
2100		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
2101	return if $self->players;	2466	return if $self->players;
2102	return if $self->in_memory != cf::MAP_IN_MEMORY;	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
		2477	$self->clear;
		2478	}
		2479
		2480	sub reset_at {
		2481	my ($self) = @_;
		2482
		2483	# TODO: safety, remove and allow resettable per-player maps
2103	return if $self->{deny_save};	2484	return 1e99 if $self->{deny_reset};
2104		2485
		2486	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2487	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2488
		2489	$time + $to
		2490	}
		2491
		2492	sub should_reset {
		2493	my ($self) = @_;
		2494
		2495	$self->reset_at <= $cf::RUNTIME
		2496	}
		2497
		2498	sub reset {
		2499	my ($self) = @_;
		2500
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
		2503	return if $self->players;
		2504
		2505	cf::trace "resetting map ", $self->path, "\n";
		2506
2105	$self->in_memory (cf::MAP_SWAPPED);	2507	$self->state (cf::MAP_SWAPPED);
		2508
		2509	# need to save uniques path
		2510	unless ($self->{deny_save}) {
		2511	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2512
		2513	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2514	if $uniq;
		2515	}
		2516
		2517	delete $cf::MAP{$self->path};
2106		2518
2107	$self->deactivate;	2519	$self->deactivate;
2108	$_->clear_links_to ($self) for values %cf::MAP;	2520	$_->clear_links_to ($self) for values %cf::MAP;
2109	$self->clear;	2521	$self->clear;
2110	}
2111
2112	sub reset_at {
2113	my ($self) = @_;
2114
2115	# TODO: safety, remove and allow resettable per-player maps
2116	return 1e99 if $self->{deny_reset};
2117
2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2120
2121	$time + $to
2122	}
2123
2124	sub should_reset {
2125	my ($self) = @_;
2126
2127	$self->reset_at <= $cf::RUNTIME
2128	}
2129
2130	sub reset {
2131	my ($self) = @_;
2132
2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
2134
2135	return if $self->players;
2136
2137	warn "resetting map ", $self->path;
2138
2139	$self->in_memory (cf::MAP_SWAPPED);
2140
2141	# need to save uniques path
2142	unless ($self->{deny_save}) {
2143	my $uniq = $self->uniq_path; utf8::encode $uniq;
2144
2145	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2146	if $uniq;
2147	}
2148
2149	delete $cf::MAP{$self->path};
2150
2151	$self->deactivate;
2152	$_->clear_links_to ($self) for values %cf::MAP;
2153	$self->clear;
2154		2522
2155	$self->unlink_save;	2523	$self->unlink_save;
2156	$self->destroy;	2524	$self->destroy;
2157	}	2525	}
2158		2526
…		…
2166		2534
2167	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
2168		2536
2169	$self->unlink_save;	2537	$self->unlink_save;
2170		2538
2171	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
2172	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
2173	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
2174	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2176		2544
…		…
2225		2593
2226	sub unique_maps() {	2594	sub unique_maps() {
2227	[	2595	[
2228	map {	2596	map {
2229	utf8::decode $_;	2597	utf8::decode $_;
2230	/\.map$/	2598	s/\.map$//; # TODO future compatibility hack
		2599	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2600	? ()
2231	? normalise $_	2601	: normalise $_
2232	: ()
2233	} @{ aio_readdir $UNIQUEDIR or [] }	2602	} @{ aio_readdir $UNIQUEDIR or [] }
2234	]	2603	]
2235	}	2604	}
2236		2605
2237	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	}
2238		2637
2239	=back	2638	=back
2240		2639
2241	=head3 cf::object	2640	=head3 cf::object
2242		2641
…		…
2246		2645
2247	=over 4	2646	=over 4
2248		2647
2249	=item $ob->inv_recursive	2648	=item $ob->inv_recursive
2250		2649
2251	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.
2252		2652
2253	=cut	2653	=cut
2254		2654
2255	sub inv_recursive_;	2655	sub inv_recursive_;
2256	sub inv_recursive_ {	2656	sub inv_recursive_ {
…		…
2261	inv_recursive_ inv $_[0]	2661	inv_recursive_ inv $_[0]
2262	}	2662	}
2263		2663
2264	=item $ref = $ob->ref	2664	=item $ref = $ob->ref
2265		2665
2266	creates and returns a persistent reference to an objetc that can be stored as a string.	2666	Creates and returns a persistent reference to an object that can be stored as a string.
2267		2667
2268	=item $ob = cf::object::deref ($refstring)	2668	=item $ob = cf::object::deref ($refstring)
2269		2669
2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,	2670	returns the objetc referenced by refstring. may return undef when it cannot find the object,
2271	even if the object actually exists. May block.	2671	even if the object actually exists. May block.
2272		2672
2273	=cut	2673	=cut
2274		2674
2275	sub deref {	2675	sub deref {
2276	my ($ref) = @_;	2676	my ($ref) = @_;
2277		2677
2278	# temporary compatibility#TODO#remove
2279	$ref =~ s{^<}{player/<};
2280
2281	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {	2678	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2282	my ($uuid, $name) = ($1, $2);	2679	my ($uuid, $name) = ($1, $2);
2283	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name	2680	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2284	or return;	2681	or return;
2285	$pl->ob->uuid eq $uuid	2682	$pl->ob->uuid eq $uuid
2286	or return;	2683	or return;
…		…
2306	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
2307	dialogue with the given NPC character.	2704	dialogue with the given NPC character.
2308		2705
2309	=cut	2706	=cut
2310		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	};
		2721
2311	# rough implementation of a future "reply" method that works	2722	# rough implementation of a future "reply" method that works
2312	# with dialog boxes.	2723	# with dialog boxes.
2313	#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
2314	sub cf::object::player::reply($$$;$) {	2725	sub cf::object::player::reply($$$;$) {
2315	my ($self, $npc, $msg, $flags) = @_;	2726	my ($self, $npc, $msg, $flags) = @_;
…		…
2326	my $dialog = $pl->{npc_dialog};	2737	my $dialog = $pl->{npc_dialog};
2327	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2738	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2328		2739
2329	} else {	2740	} else {
2330	$msg = $npc->name . " says: $msg" if $npc;	2741	$msg = $npc->name . " says: $msg" if $npc;
2331	$self->message ($msg, $flags);	2742	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2332	}	2743	}
2333	}	2744	}
2334	}	2745	}
2335		2746
2336	=item $object->send_msg ($channel, $msg, $color, [extra...])	2747	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2346	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
2347		2758
2348	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
2349	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
2350		2761
		2762	This is implemented by checking a config setting of C<may_access> where
		2763	C<access> is replaced by the access string. The following alternatives are
		2764	possible (and are tested in order):
		2765
		2766	=over 4
		2767
		2768	=item * Player is DM
		2769
		2770	The request will succeed.
		2771
		2772	=item * may_access is an array reference
		2773
		2774	If either the player nickname or UUID is in the array, the request will
		2775	succeed, otherwise it will fail.
		2776
		2777	=item * may_access is a true value
		2778
		2779	The request will succeed.
		2780
		2781	=item * may_access is missing or false
		2782
		2783	The request will fail.
		2784
		2785	=back
		2786
2351	=cut	2787	=cut
2352		2788
2353	sub cf::object::player::may {	2789	sub cf::object::player::may {
2354	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
2355		2791
2356	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
2357	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
2358	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2359	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
2360	}	2796	}
2361		2797
2362	=item $player_object->enter_link	2798	=item $player_object->enter_link
2363		2799
2364	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}>).
2365		2801
2366	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.
2367	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.
2368		2806
2369	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.
2370		2814
2371	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
2372		2816
2373	Moves the player out of the special C<{link}> map onto the specified	2817	Moves the player out of the special C<{link}> map onto the specified
2374	map. If the map is not valid (or omitted), the player will be moved back	2818	map. If the map is not valid (or omitted), the player will be moved back
…		…
2392	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
2393	my ($self) = @_;	2837	my ($self) = @_;
2394		2838
2395	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
2396		2840
		2841	++$self->{_link_recursion};
		2842
2397	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
2398		2844
2399	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2400	if $self->map && $self->map->{path} ne "{link}";	2846	if $self->map && $self->map->{path} ne "{link}";
2401		2847
2402	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2403	}	2849	}
2404		2850
2405	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
2406	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
2407		2853
…		…
2424	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
2425	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
2426		2872
2427	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
2428	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
2429	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
2430		2876
2431	$map->load;	2877	$map->load;
2432	$map->load_neighbours;
2433		2878
2434	return unless $self->contr->active;	2879	return unless $self->contr->active;
2435	$self->activate_recursive;
2436		2880
2437	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2438	$self->enter_map ($map, $x, $y);	2882	if ($self->enter_map ($map, $x, $y)) {
2439	}	2883	# entering was successful
		2884	delete $self->{_link_recursion};
		2885	# only activate afterwards, to support waiting in hooks
		2886	$self->activate_recursive;
		2887	}
2440		2888
		2889	}
		2890
2441	=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)]])
2442		2892
2443	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
2444	her, loading and preparing them map, calling the provided $check callback	2894	her, loading and preparing them map, calling the provided $check callback
2445	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
2446	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
2447	be called at the end of this process.	2897	be called at the end of this process.
2448		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
2449	=cut	2902	=cut
2450		2903
2451	our $GOTOGEN;	2904	our $GOTOGEN;
2452		2905
2453	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
2454	my ($self, $path, $x, $y, $check, $done) = @_;	2907	my ($self, $path, $x, $y, $check, $done) = @_;
		2908
		2909	if ($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	}
2455		2914
2456	# 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
2457	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2916	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2458		2917
2459	$self->enter_link;	2918	$self->enter_link;
…		…
2479	($path, $x, $y) = (undef, undef, undef);	2938	($path, $x, $y) = (undef, undef, undef);
2480	}	2939	}
2481	}	2940	}
2482		2941
2483	my $map = eval {	2942	my $map = eval {
2484	my $map = defined $path ? cf::map::find $path : undef;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2485		2944
2486	if ($map) {	2945	if ($map) {
2487	$map = $map->customise_for ($self);	2946	$map = $map->customise_for ($self);
2488	$map = $check->($map) if $check && $map;	2947	$map = $check->($map, $x, $y, $self) if $check && $map;
2489	} else {	2948	} else {
2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2949	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2491	}	2950	}
2492		2951
2493	$map	2952	$map
…		…
2501	if ($gen == $self->{_goto_generation}) {	2960	if ($gen == $self->{_goto_generation}) {
2502	delete $self->{_goto_generation};	2961	delete $self->{_goto_generation};
2503	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
2504	}	2963	}
2505		2964
2506	$done->() if $done;	2965	$done->($self) if $done;
2507	})->prio (1);	2966	})->prio (1);
2508	}	2967	}
2509		2968
2510	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
2511		2970
…		…
2531	}	2990	}
2532		2991
2533	sub prepare_random_map {	2992	sub prepare_random_map {
2534	my ($exit) = @_;	2993	my ($exit) = @_;
2535		2994
2536	my $guard = cf::lock_acquire "exit_prepare:$exit";
2537
2538	# all this does is basically replace the /! path by	2995	# all this does is basically replace the /! path by
2539	# a new random map path (?random/...) with a seed	2996	# a new random map path (?random/...) with a seed
2540	# that depends on the exit object	2997	# that depends on the exit object
2541		2998
2542	my $rmp = parse_random_map_params $exit->msg;	2999	my $rmp = parse_random_map_params $exit->msg;
…		…
2544	if ($exit->map) {	3001	if ($exit->map) {
2545	$rmp->{region} = $exit->region->name;	3002	$rmp->{region} = $exit->region->name;
2546	$rmp->{origin_map} = $exit->map->path;	3003	$rmp->{origin_map} = $exit->map->path;
2547	$rmp->{origin_x} = $exit->x;	3004	$rmp->{origin_x} = $exit->x;
2548	$rmp->{origin_y} = $exit->y;	3005	$rmp->{origin_y} = $exit->y;
		3006
		3007	$exit->map->touch;
2549	}	3008	}
2550		3009
2551	$rmp->{random_seed} ||= $exit->random_seed;	3010	$rmp->{random_seed} ||= $exit->random_seed;
2552		3011
2553	my $data = cf::to_json $rmp;	3012	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2554	my $md5 = Digest::MD5::md5_hex $data;	3013	my $md5 = Digest::MD5::md5_hex $data;
2555	my $meta = "$RANDOMDIR/$md5.meta";	3014	my $meta = "$RANDOMDIR/$md5.meta";
2556		3015
2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3016	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2558	aio_write $fh, 0, (length $data), $data, 0;	3017	aio_write $fh, 0, (length $data), $data, 0;
2559	undef $fh;	3018	undef $fh;
2560	aio_rename "$meta~", $meta;	3019	aio_rename "$meta~", $meta;
2561		3020
		3021	my $slaying = "?random/$md5";
		3022
		3023	if ($exit->valid) {
2562	$exit->slaying ("?random/$md5");	3024	$exit->slaying ("?random/$md5");
2563	$exit->msg (undef);	3025	$exit->msg (undef);
		3026	}
2564	}	3027	}
2565	}	3028	}
2566		3029
2567	sub cf::object::player::enter_exit {	3030	sub cf::object::player::enter_exit {
2568	my ($self, $exit) = @_;	3031	my ($self, $exit) = @_;
2569		3032
2570	return unless $self->type == cf::PLAYER;	3033	return unless $self->type == cf::PLAYER;
2571		3034
2572	if ($exit->slaying eq "/!") {
2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
2574	# the problem is that $exit might not survive long enough
2575	# so it needs to be done right now, right here
2576	cf::sync_job { prepare_random_map $exit };
2577	}
2578
2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2580	my $hp = $exit->stats->hp;
2581	my $sp = $exit->stats->sp;
2582
2583	$self->enter_link;	3035	$self->enter_link;
2584		3036
2585	# if exit is damned, update players death & WoR home-position
2586	$self->contr->savebed ($slaying, $hp, $sp)
2587	if $exit->flag (FLAG_DAMNED);
2588
2589	(async {	3037	(async {
2590	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	3038	$Coro::current->{desc} = "enter_exit";
2591		3039
2592	$self->deactivate_recursive; # just to be sure
2593	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
2594	$self->goto ($slaying, $hp, $sp);	3070	$self->goto ($map, $x, $y);
2595		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
2596	1;	3076	1
2597	}) {	3077	}) {
2598	$self->message ("Something went wrong deep within the crossfire server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2599	. "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. "
2600	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2601	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2602		3082
2603	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2604	$self->leave_link;	3084	$self->leave_link;
2605	}	3085	}
2606	})->prio (1);	3086	})->prio (1);
2607	}	3087	}
2608		3088
2609	=head3 cf::client	3089	=head3 cf::client
2610		3090
2611	=over 4	3091	=over 4
2612		3092
2613	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2614		3094
2615	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2616	should not be used under normal circumstances.	3096	them as required.
2617		3097
2618	=cut	3098	=cut
2619		3099
		3100	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3101
2620	sub cf::client::send_drawinfo {	3102	sub cf::client::send_big_packet {
2621	my ($self, $text, $flags) = @_;	3103	my ($self, $pkt) = @_;
2622		3104
2623	utf8::encode $text;	3105	# try lzf for large packets
2624	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3106	$pkt = "lzf " . Compress::LZF::compress $pkt
		3107	if 1024 <= length $pkt and $self->{can_lzf};
		3108
		3109	# split very large packets
		3110	if ($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);
2625	}	3116	}
2626		3117
2627	=item $client->send_msg ($channel, $msg, $color, [extra...])	3118	=item $client->send_msg ($channel, $msg, $color, [extra...])
2628		3119
2629	Send a drawinfo or msg packet to the client, formatting the msg for the	3120	Send a msg packet to the client, formatting the msg for the client if
2630	client if neccessary. C<$type> should be a string identifying the type of	3121	necessary. C<$type> should be a string identifying the type of the
2631	the message, with C<log> being the default. If C<$color> is negative, suppress	3122	message, with C<log> being the default. If C<$color> is negative, suppress
2632	the message unless the client supports the msg packet.	3123	the message unless the client supports the msg packet.
2633		3124
2634	=cut	3125	=cut
2635		3126
		3127	# non-persistent channels (usually the info channel)
2636	our %CHANNEL = (	3128	our %CHANNEL = (
		3129	"c/motd" => {
		3130	id => "infobox",
		3131	title => "MOTD",
		3132	reply => undef,
		3133	tooltip => "The message of the day",
		3134	},
2637	"c/identify" => {	3135	"c/identify" => {
2638	id => "infobox",	3136	id => "infobox",
2639	title => "Identify",	3137	title => "Identify",
2640	reply => undef,	3138	reply => undef,
2641	tooltip => "Items recently identified",	3139	tooltip => "Items recently identified",
…		…
2644	id => "infobox",	3142	id => "infobox",
2645	title => "Examine",	3143	title => "Examine",
2646	reply => undef,	3144	reply => undef,
2647	tooltip => "Signs and other items you examined",	3145	tooltip => "Signs and other items you examined",
2648	},	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	},
2649	"c/lookat" => {	3159	"c/lookat" => {
2650	id => "infobox",	3160	id => "infobox",
2651	title => "Look",	3161	title => "Look",
2652	reply => undef,	3162	reply => undef,
2653	tooltip => "What you saw there",	3163	tooltip => "What you saw there",
2654	},	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 posess 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" => $CHAT_CHANNEL,
2655	);	3245	);
2656		3246
2657	sub cf::client::send_msg {	3247	sub cf::client::send_msg {
2658	my ($self, $channel, $msg, $color, @extra) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2659		3249
2660	$msg = $self->pl->expand_cfpod ($msg);	3250	$msg = $self->pl->expand_cfpod ($msg)
		3251	unless $color & cf::NDI_VERBATIM;
2661		3252
2662	$color &= cf::NDI_CLIENT_MASK; # just in case...	3253	$color &= cf::NDI_CLIENT_MASK; # just in case...
2663		3254
2664	# check predefined channels, for the benefit of C	3255	# check predefined channels, for the benefit of C
2665	if ($CHANNEL{$channel}) {	3256	if ($CHANNEL{$channel}) {
2666	$channel = $CHANNEL{$channel};	3257	$channel = $CHANNEL{$channel};
2667		3258
2668	$self->ext_msg (channel_info => $channel)	3259	$self->ext_msg (channel_info => $channel);
2669	if $self->can_msg;
2670
2671	$channel = $channel->{id};	3260	$channel = $channel->{id};
2672		3261
2673	} elsif (ref $channel) {	3262	} elsif (ref $channel) {
2674	# send meta info to client, if not yet sent	3263	# send meta info to client, if not yet sent
2675	unless (exists $self->{channel}{$channel->{id}}) {	3264	unless (exists $self->{channel}{$channel->{id}}) {
2676	$self->{channel}{$channel->{id}} = $channel;	3265	$self->{channel}{$channel->{id}} = $channel;
2677	$self->ext_msg (channel_info => $channel)	3266	$self->ext_msg (channel_info => $channel);
2678	if $self->can_msg;
2679	}	3267	}
2680		3268
2681	$channel = $channel->{id};	3269	$channel = $channel->{id};
2682	}	3270	}
2683		3271
2684	return unless @extra || length $msg;	3272	return unless @extra || length $msg;
2685		3273
2686	if ($self->can_msg) {
2687	# default colour, mask it out	3274	# default colour, mask it out
2688	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3275	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2689	if $color & cf::NDI_DEF;	3276	if $color & cf::NDI_DEF;
2690		3277
2691	$self->send_packet ("msg " . $self->{json_coder}->encode (	3278	my $pkt = "msg "
		3279	. $self->{json_coder}->encode (
2692	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3280	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2693	} else {	3281	);
2694	if ($color >= 0) {
2695	# replace some tags by gcfclient-compatible ones
2696	for ($msg) {
2697	1 while
2698	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2699	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2700	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2701	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2702	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2703	}
2704		3282
2705	$color &= cf::NDI_COLOR_MASK;	3283	$self->send_big_packet ($pkt);
2706
2707	utf8::encode $msg;
2708
2709	if (0 && $msg =~ /\[/) {
2710	# COMMAND/INFO
2711	$self->send_packet ("drawextinfo $color 10 8 $msg")
2712	} else {
2713	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2714	$self->send_packet ("drawinfo $color $msg")
2715	}
2716	}
2717	}
2718	}	3284	}
2719		3285
2720	=item $client->ext_msg ($type, @msg)	3286	=item $client->ext_msg ($type, @msg)
2721		3287
2722	Sends an ext event to the client.	3288	Sends an ext event to the client.
…		…
2724	=cut	3290	=cut
2725		3291
2726	sub cf::client::ext_msg($$@) {	3292	sub cf::client::ext_msg($$@) {
2727	my ($self, $type, @msg) = @_;	3293	my ($self, $type, @msg) = @_;
2728		3294
2729	if ($self->extcmd == 2) {
2730	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2731	} elsif ($self->extcmd == 1) { # TODO: remove
2732	push @msg, msgtype => "event_$type";
2733	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2734	}
2735	}
2736
2737	=item $client->ext_reply ($msgid, @msg)
2738
2739	Sends an ext reply to the client.
2740
2741	=cut
2742
2743	sub cf::client::ext_reply($$@) {
2744	my ($self, $id, @msg) = @_;
2745
2746	if ($self->extcmd == 2) {
2747	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2748	} elsif ($self->extcmd == 1) {
2749	#TODO: version 1, remove
2750	unshift @msg, msgtype => "reply", msgid => $id;
2751	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2752	}
2753	}	3296	}
2754		3297
2755	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2756		3299
2757	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
…		…
2777		3320
2778	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2779	if @{ $self->{query_queue} } == 1;	3322	if @{ $self->{query_queue} } == 1;
2780		3323
2781	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;
2782	}	3364	}
2783		3365
2784	cf::client->attach (	3366	cf::client->attach (
2785	on_connect => sub {	3367	on_connect => sub {
2786	my ($ns) = @_;	3368	my ($ns) = @_;
…		…
2812	my ($ns, $buf) = @_;	3394	my ($ns, $buf) = @_;
2813		3395
2814	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3396	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2815		3397
2816	if (ref $msg) {	3398	if (ref $msg) {
2817	my ($type, $reply, @payload) =	3399	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2818	"ARRAY" eq ref $msg
2819	? @$msg
2820	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2821		3400
2822	my @reply;
2823
2824	if (my $cb = $EXTICMD{$type}) {	3401	if (my $cb = $EXTIACMD{$type}) {
		3402	$cb->(
		3403	$ns,
		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}) {
2825	@reply = $cb->($ns, @payload);	3414	@reply = $cb->($ns, @payload);
		3415	}
		3416
		3417	$ns->ext_msg ("reply-$reply", @reply)
		3418	if $reply;
2826	}	3419	}
2827
2828	$ns->ext_reply ($reply, @reply)
2829	if $reply;
2830
2831	} else {	3420	} else {
2832	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";
2833	}	3422	}
2834		3423
2835	cf::override;	3424	cf::override;
2836	},	3425	},
2837	);	3426	);
…		…
2857		3446
2858	$coro	3447	$coro
2859	}	3448	}
2860		3449
2861	cf::client->attach (	3450	cf::client->attach (
2862	on_destroy => sub {	3451	on_client_destroy => sub {
2863	my ($ns) = @_;	3452	my ($ns) = @_;
2864		3453
2865	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2866	},	3455	},
2867	);	3456	);
…		…
2883	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
2884		3473
2885	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
2886		3475
2887	$safe->permit_only (Opcode::opset qw(	3476	$safe->permit_only (Opcode::opset qw(
2888	:base_core :base_mem :base_orig :base_math	3477	:base_core :base_mem :base_orig :base_math :base_loop
2889	grepstart grepwhile mapstart mapwhile	3478	grepstart grepwhile mapstart mapwhile
2890	sort time	3479	sort time
2891	));	3480	));
2892		3481
2893	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
…		…
2895	=pod	3484	=pod
2896		3485
2897	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
2898		3487
2899	cf::object	3488	cf::object
2900	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
2901	insert remove name archname title slaying race decrease_ob_nr	3490	insert remove name archname title slaying race decrease split
		3491	value
2902		3492
2903	cf::object::player	3493	cf::object::player
2904	player	3494	player
2905		3495
2906	cf::player	3496	cf::player
…		…
2911		3501
2912	=cut	3502	=cut
2913		3503
2914	for (	3504	for (
2915	["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
2916	insert remove inv name archname title slaying race	3506	insert remove inv nrof name archname title slaying race
2917	decrease_ob_nr)],	3507	decrease split destroy change_exp value msg lore send_msg)],
2918	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
2919	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
2920	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
2921	) {	3511	) {
2922	no strict 'refs';
2923	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
2924	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2925	for @funs;	3514	for @funs;
2926	}	3515	}
2927		3516
…		…
2942		3531
2943	my $qcode = $code;	3532	my $qcode = $code;
2944	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2945	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
2946		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
2947	local $_;	3539	local $_;
2948	local @safe::cf::_safe_eval_args = values %vars;
2949		3540
2950	my $eval =	3541	my $eval =
2951	"do {\n"	3542	"do {\n"
2952	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2953	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
2954	. $code	3545	. $code
2955	. "\n}"	3546	. "\n}"
2956	;	3547	;
2957		3548
		3549	if ($CFG{safe_eval}) {
2958	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
2959	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2960	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	}
2961		3558
2962	if ($@) {	3559	if ($@) {
2963	warn "$@";	3560	warn "$@",
2964	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
2965	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
2966	}	3563	}
2967		3564
2968	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
2969	}	3566	}
2970		3567
…		…
2984	=cut	3581	=cut
2985		3582
2986	sub register_script_function {	3583	sub register_script_function {
2987	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
2988		3585
2989	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
2990	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
2991	}	3588	}
2992		3589
2993	=back	3590	=back
2994		3591
2995	=cut	3592	=cut
2996		3593
2997	#############################################################################	3594	#############################################################################
2998	# the server's init and main functions	3595	# the server's init and main functions
2999		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, $_[0]);
		3670	};
		3671	}
		3672	}
		3673
3000	sub load_facedata($) {	3674	sub load_facedata($) {
3001	my ($path) = @_;	3675	my ($path) = @_;
3002		3676
3003	# HACK to clear player env face cache, we need some signal framework
3004	# for this (global event?)
3005	%ext::player_env::MUSIC_FACE_CACHE = ();
3006
3007	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3008		3678
3009	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
3010		3680
3011	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
3012	0 < aio_load $path, $facedata
3013	or die "$path: $!";
3014
3015	$facedata = Coro::Storable::thaw $facedata;
3016		3682
3017	$facedata->{version} == 2	3683	$facedata->{version} == 2
3018	or cf::cleanup "$path: version mismatch, cannot proceed.";	3684	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
3019		3685
3020	# patch in the exptable	3686	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
3021	$facedata->{resource}{"res/exp_table"} = {	3687	or cf::cleanup "$path/facedata: $!, cannot proceed.";
3022	type => FT_RSRC,	3688
3023	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),	3689	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
3024	};	3690
3025	cf::cede_to_tick;	3691	# BEGIN ATOMIC
		3692	# from here on, everything must be atomic - no thread switch allowed
		3693	my $t1 = EV::time;
3026		3694
3027	{	3695	{
3028	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
3029		3697
3030	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
3031	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3701
3032	cf::face::set_visibility $idx, $info->{visibility};	3702	cf::face::set_visibility $idx, $info->{visibility};
3033	cf::face::set_magicmap $idx, $info->{magicmap};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
3034	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3704	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
3035	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3705	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
3036		3706	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
3037	cf::cede_to_tick;	3707	$cf::face::HASH{$info->{hash64}} = $idx;
		3708	delete $cf::face::META[$idx];
3038	}	3709	}
3039		3710
3040	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
3041	next unless $info->{smooth};	3712	next unless $info->{smooth};
		3713
3042	my $idx = cf::face::find $face	3714	my $idx = cf::face::find $face
3043	or next;	3715	or next;
		3716
3044	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
3045	cf::face::set_smooth $idx, $smooth;	3718	cf::face::set_smooth $idx, $smooth;
3046	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3047	} else {	3720	} else {
3048	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
3049	}	3722	}
3050
3051	cf::cede_to_tick;
3052	}	3723	}
3053	}	3724	}
3054		3725
3055	{	3726	{
3056	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
3057		3728
3058	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
3059	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
3060	cf::cede_to_tick;
3061	}	3731	}
3062		3732
3063	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
3064	}	3734	}
3065		3735
3066	{	3736	{
3067	# TODO: for gcfclient pleasure, we should give resources
3068	# that gcfclient doesn't grok a >10000 face index.
3069	my $res = $facedata->{resource};	3737	my $res = $facedata->{resource};
3070		3738
3071	my $soundconf = delete $res->{"res/sound.conf"};
3072
3073	while (my ($name, $info) = each %$res) {	3739	while (my ($name, $info) = each %$res) {
		3740	if (defined (my $type = $info->{type})) {
		3741	# TODO: different hash - must free and use new index, or cache ixface data queue
3074	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3742	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3075	my $data;
3076		3743
3077	if ($info->{type} & 1) {	3744	cf::face::set_type $idx, $type;
3078	# prepend meta info	3745	cf::face::set_csum $idx, 0, $info->{hash};
3079		3746	$cf::face::SIZE[0][$idx] = $info->{size};
3080	my $meta = $enc->encode ({	3747	$cf::face::FOFS[0][$idx] = $info->{fofs};
3081	name => $name,	3748	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
3082	%{ $info->{meta} || {} },	3749	$cf::face::HASH{$info->{hash}} = $idx;
3083	});
3084
3085	$data = pack "(w/a*)*", $meta, $info->{data};
3086	} else {	3750	} else {
3087	$data = $info->{data};	3751	# $RESOURCE{$name} = $info; # unused
3088	}	3752	}
3089
3090	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3091	cf::face::set_type $idx, $info->{type};
3092
3093	cf::cede_to_tick;
3094	}
3095
3096	if ($soundconf) {
3097	$soundconf = $enc->decode (delete $soundconf->{data});
3098
3099	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3100	my $sound = $soundconf->{compat}[$_]
3101	or next;
3102
3103	my $face = cf::face::find "sound/$sound->[1]";
3104	cf::sound::set $sound->[0] => $face;
3105	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3106	}	3753	}
3107
3108	while (my ($k, $v) = each %{$soundconf->{event}}) {
3109	my $face = cf::face::find "sound/$v";
3110	cf::sound::set $k => $face;
3111	}
3112	}
3113	}	3754	}
		3755
		3756	($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 $fh; # close old facedata
3114		3769
3115	1	3770	1
3116	}	3771	}
3117		3772
3118	register_exticmd fx_want => sub {	3773	register_exticmd fx_want => sub {
…		…
3120		3775
3121	while (my ($k, $v) = each %$want) {	3776	while (my ($k, $v) = each %$want) {
3122	$ns->fx_want ($k, $v);	3777	$ns->fx_want ($k, $v);
3123	}	3778	}
3124	};	3779	};
		3780
		3781	sub load_resource_file($) {
		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	}
3125		3804
3126	sub reload_regions {	3805	sub reload_regions {
3127	# HACK to clear player env face cache, we need some signal framework	3806	# HACK to clear player env face cache, we need some signal framework
3128	# for this (global event?)	3807	# for this (global event?)
3129	%ext::player_env::MUSIC_FACE_CACHE = ();	3808	%ext::player_env::MUSIC_FACE_CACHE = ();
…		…
3136	if exists $_->{match};	3815	if exists $_->{match};
3137	}	3816	}
3138	}	3817	}
3139		3818
3140	sub reload_facedata {	3819	sub reload_facedata {
3141	load_facedata "$DATADIR/facedata"	3820	load_facedata $DATADIR
3142	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
3143	}	3822	}
3144		3823
3145	sub reload_archetypes {	3824	sub reload_archetypes {
3146	load_resource_file "$DATADIR/archetypes"	3825	load_resource_file "$DATADIR/archetypes"
3147	or die "unable to load archetypes\n";	3826	or die "unable to load archetypes\n";
3148	#d# NEED to laod twice to resolve forward references	3827
3149	# this really needs to be done in an extra post-pass	3828	cf::face::set
3150	# (which needs to be synchronous, so solve it differently)	3829	"res/skill_info" => FT_RSRC,
3151	load_resource_file "$DATADIR/archetypes"	3830	JSON::XS->new->utf8->canonical->encode (
3152	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 $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3850	}
		3851
		3852	cf::client::set_command_face skill => \@commands;
3153	}	3853	}
3154		3854
3155	sub reload_treasures {	3855	sub reload_treasures {
3156	load_resource_file "$DATADIR/treasures"	3856	load_resource_file "$DATADIR/treasures"
3157	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
3158	}	3858	}
3159		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
3160	sub reload_resources {	3880	sub reload_resources {
3161	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
3162		3882
		3883	reload_materials;
		3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
		3887	reload_archetypes;
3163	reload_regions;	3888	reload_regions;
3164	reload_facedata;
3165	#reload_archetypes;#d#
3166	reload_archetypes;
3167	reload_treasures;	3889	reload_treasures;
3168		3890
3169	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
3170	}
3171
3172	sub init {
3173	reload_resources;
3174	}	3892	}
3175		3893
3176	sub reload_config {	3894	sub reload_config {
3177	open my $fh, "<:utf8", "$CONFDIR/config"	3895	trace "reloading config file...\n";
3178	or return;
3179		3896
3180	local $/;	3897	my $config = load_file "$CONFDIR/config";
3181	*CFG = YAML::Syck::Load <$fh>;	3898	utf8::decode $config;
		3899	*CFG = decode_yaml $config;
3182		3900
3183	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3184		3902
3185	$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};
3186	$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};
3187		3905
3188	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
3192	};	3910	};
3193	warn $@ if $@;	3911	warn $@ if $@;
3194	}	3912	}
3195	}	3913	}
3196		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
3197	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
3198	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
3199	local $Coro::idle = sub {	3954	$Coro::idle = sub {
3200	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#
3201	(async {	3956	(async {
3202	$Coro::current->{desc} = "IDLE BUG HANDLER";	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
3203	Event::one_event;	3958	EV::run EV::RUN_ONCE;
3204	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
3205	};	3960	};
3206		3961
		3962	evthread_start IO::AIO::poll_fileno;
		3963
		3964	cf::sync_job {
		3965	cf::incloader::init ();
		3966
		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;
3207	reload_config;	3976	reload_config;
3208	db_init;	3977
		3978	cf::init_uuid;
		3979	cf::init_signals;
		3980	cf::init_skills;
		3981
		3982	cf::init_beforeplay;
		3983
		3984	atomic;
		3985
3209	load_extensions;	3986	load_extensions;
3210		3987
3211	$TICK_WATCHER->start;	3988	utime time, time, $RUNTIMEFILE;
3212	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;
3213	}	4005	}
3214		4006
3215	#############################################################################	4007	#############################################################################
3216	# initialisation and cleanup	4008	# initialisation and cleanup
3217		4009
3218	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
3219	BEGIN {	4011	BEGIN {
		4012	our %SIGWATCHER = ();
3220	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
3221	Event->signal (	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3222	reentrant => 0,
3223	data => WF_AUTOCANCEL,
3224	signal => $signal,
3225	prio => 0,
3226	cb => sub {
3227	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
3228	},
3229	);	4016	};
3230	}	4017	}
3231	}	4018	}
3232		4019
3233	sub write_runtime {	4020	sub write_runtime_sync {
3234	my $runtime = "$LOCALDIR/runtime";	4021	my $t0 = AE::time;
3235		4022
3236	# first touch the runtime file to show we are still running:	4023	# first touch the runtime file to show we are still running:
3237	# the fsync below can take a very very long time.	4024	# the fsync below can take a very very long time.
3238		4025
3239	IO::AIO::aio_utime $runtime, undef, undef;	4026	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3240		4027
3241	my $guard = cf::lock_acquire "write_runtime";	4028	my $guard = cf::lock_acquire "write_runtime";
3242		4029
3243	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4030	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3244	or return;	4031	or return;
3245		4032
3246	my $value = $cf::RUNTIME + 90 + 10;	4033	my $value = $cf::RUNTIME + 90 + 10;
3247	# 10 is the runtime save interval, for a monotonic clock	4034	# 10 is the runtime save interval, for a monotonic clock
3248	# 60 allows for the watchdog to kill the server.	4035	# 60 allows for the watchdog to kill the server.
…		…
3258	aio_utime $fh, undef, undef;	4045	aio_utime $fh, undef, undef;
3259		4046
3260	close $fh	4047	close $fh
3261	or return;	4048	or return;
3262		4049
3263	aio_rename "$runtime~", $runtime	4050	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3264	and return;	4051	and return;
3265		4052
3266	warn "runtime file written.\n";	4053	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3267		4054
3268	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 };
3269	}	4106	}
3270		4107
3271	sub emergency_save() {	4108	sub emergency_save() {
3272	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
3273		4110
3274	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;
3275		4117
3276	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
3277	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
3278	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
3279	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
3280	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
3281	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
3282	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
3283	$pl->valid or next;	4127	$pl->valid or next;
		4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3284	$pl->save;	4129	$pl->save;
3285	}	4130	}
3286	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
3287		4132
3288	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";
3289	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
3290	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
3291	$map->valid or next;	4138	$map->valid or next;
3292	$map->save;	4139	$map->save;
3293	}	4140	}
3294	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
3295		4142
3296	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";
3297	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
3298	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 $DB_ENV;
		4157
		4158	info "emergency_perl_save: starting sync\n";
		4159	IO::AIO::aio_sync sub {
		4160	info "emergency_perl_save: finished sync\n";
		4161	};
		4162
		4163	cf::write_runtime_sync; # external watchdog should not bark
		4164
		4165	trace "emergency_perl_save: flushing outstanding aio requests";
		4166	while (IO::AIO::nreqs || BDB::nreqs) {
		4167	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4168	}
		4169
		4170	cf::write_runtime_sync; # external watchdog should not bark
3299	};	4171	};
3300		4172
3301	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
3302	}	4174	}
3303		4175
3304	sub post_cleanup {	4176	sub post_cleanup {
3305	my ($make_core) = @_;	4177	my ($make_core) = @_;
3306		4178
		4179	IO::AIO::flush;
		4180
3307	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
3308	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	}
3309	}	4211	}
3310		4212
3311	sub do_reload_perl() {	4213	sub do_reload_perl() {
3312	# can/must only be called in main	4214	# can/must only be called in main
3313	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
3314	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
3315	return;	4217	return;
3316	}	4218	}
3317		4219
3318	warn "reloading...";	4220	return if $RELOAD++;
3319		4221
3320	warn "entering sync_job";	4222	my $t1 = AE::time;
3321		4223
		4224	while ($RELOAD) {
		4225	cf::get_slot 0.1, -1, "reload_perl";
		4226	info "perl_reload: reloading...";
		4227
		4228	trace "perl_reload: entering sync_job";
		4229
3322	cf::sync_job {	4230	cf::sync_job {
3323	cf::write_runtime; # external watchdog should not bark
3324	cf::emergency_save;	4231	#cf::emergency_save;
3325	cf::write_runtime; # external watchdog should not bark
3326		4232
3327	warn "syncing database to disk";
3328	BDB::db_env_txn_checkpoint $DB_ENV;
3329
3330	# if anything goes wrong in here, we should simply crash as we already saved
3331
3332	warn "cancelling all WF_AUTOCANCEL watchers";
3333	for (Event::all_watchers) {
3334	$_->cancel if $_->data & WF_AUTOCANCEL;
3335	}
3336
3337	warn "flushing outstanding aio requests";
3338	for (;;) {
3339	BDB::flush;
3340	IO::AIO::flush;
3341	Coro::cede;
3342	last unless IO::AIO::nreqs || BDB::nreqs;
3343	warn "iterate...";
3344	}
3345
3346	++$RELOAD;
3347
3348	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
3349	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
3350	%EXT_CORO = ();	4235	%EXT_CORO = ();
3351		4236
3352	warn "removing commands";	4237	trace "perl_reload: removing commands";
3353	%COMMAND = ();	4238	%COMMAND = ();
3354		4239
3355	warn "removing ext/exti commands";	4240	trace "perl_reload: removing ext/exti commands";
3356	%EXTCMD = ();	4241	%EXTCMD = ();
3357	%EXTICMD = ();	4242	%EXTICMD = ();
3358		4243
3359	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
3360	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
3361	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
3362		4247
3363	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
3364	eval {	4249	eval {
3365	$cb->($pkg);	4250	$cb->($pkg);
3366	1	4251	1
3367	} 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;
3368	}	4257	}
3369		4258
3370	warn "... nuking $pkg";
3371	Symbol::delete_package $pkg;
3372	}
3373
3374	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3375	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
3376	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3377		4262
3378	warn "... unloading $k";	4263	trace "... unloading $k";
3379	delete $INC{$k};	4264	delete $INC{$k};
3380		4265
3381	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
3382	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
3383		4268
3384	if (my $cb = $k->can ("unload_module")) {	4269	if (my $cb = $k->can ("unload_module")) {
3385	$cb->();	4270	$cb->();
		4271	}
		4272
		4273	clear_package $k;
3386	}	4274	}
3387		4275
3388	Symbol::delete_package $k;
3389	}
3390
3391	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
3392	Symbol::delete_package "safe::$_"	4277	clear_package "safe::$_"
3393	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);
3394		4279
3395	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
3396	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
3397	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3398		4283
3399	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
3400	# and global variables created in xs	4285	# and global variables created in xs
3401	#Symbol::delete_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
3402		4287
3403	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
3404		4289
3405	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
3406	require cf;	4291	require cf;
3407	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
3408		4293
3409	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
3410	cf::reload_config;	4295	cf::reload_config;
3411		4296
3412	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
3413	cf::load_extensions;	4298	cf::load_extensions;
3414		4299
		4300	if ($REATTACH_ON_RELOAD) {
3415	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
3416	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
3417	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
3418	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
3419	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
3420	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
		4307	}
3421		4308
3422	warn "leaving sync_job";	4309	cf::_post_init 1;
3423		4310
		4311	trace "perl_reload: leaving sync_job";
		4312
3424	1	4313	1
3425	} or do {	4314	} or do {
3426	warn $@;	4315	error $@;
3427	warn "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
3428	exit 1;	4317	};
		4318
		4319	--$RELOAD;
3429	};	4320	}
3430		4321
3431	warn "reloaded";	4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
3432	};	4324	};
3433		4325
3434	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
3435		4327
3436	sub reload_perl() {	4328	sub reload_perl() {
3437	# doing reload synchronously and two reloads happen back-to-back,	4329	# doing reload synchronously and two reloads happen back-to-back,
3438	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
3439		4331
3440	$RELOAD_WATCHER ||= Event->timer (	4332	$RELOAD_WATCHER ||= cf::async {
3441	reentrant => 0,	4333	Coro::AIO::aio_wait cache_extensions;
3442	after => 0,	4334
3443	data => WF_AUTOCANCEL,	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3444	cb => sub {
3445	do_reload_perl;	4336	do_reload_perl;
3446	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
3447	},	4338	};
3448	);	4339	};
3449	}	4340	}
3450		4341
3451	register_command "reload" => sub {	4342	register_command "reload" => sub {
3452	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
3453		4344
…		…
3458	reload_perl;	4349	reload_perl;
3459	};	4350	};
3460	}	4351	}
3461	};	4352	};
3462		4353
3463	unshift @INC, $LIBDIR;	4354	#############################################################################
3464		4355
3465	my $bug_warning = 0;	4356	my $bug_warning = 0;
3466		4357
3467	our @WAIT_FOR_TICK;
3468	our @WAIT_FOR_TICK_BEGIN;
3469
3470	sub wait_for_tick {	4358	sub wait_for_tick() {
3471	return unless $TICK_WATCHER->is_active;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3472	return if $Coro::current == $Coro::main;
3473		4360
3474	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
3475	push @WAIT_FOR_TICK, $signal;
3476	$signal->wait;
3477	}	4362	}
3478		4363
3479	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
3480	return unless $TICK_WATCHER->is_active;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3481	return if $Coro::current == $Coro::main;
3482		4366
3483	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
3484	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
3485	$signal->wait;	4369	$signal->wait;
3486	}	4370	}
3487		4371
3488	$TICK_WATCHER = Event->timer (	4372	sub tick {
3489	reentrant => 0,
3490	parked => 1,
3491	prio => 0,
3492	at => $NEXT_TICK || $TICK,
3493	data => WF_AUTOCANCEL,
3494	cb => sub {
3495	if ($Coro::current != $Coro::main) {	4373	if ($Coro::current != $Coro::main) {
3496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4374	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3497	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
3498	return;	4376	return;
3499	}	4377	}
3500		4378
3501	$NOW = $tick_start = Event::time;	4379	cf::one_tick; # one server iteration
3502		4380
3503	cf::server_tick; # one server iteration	4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3504		4382
3505	$RUNTIME += $TICK;
3506	$NEXT_TICK += $TICK;
3507
3508	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3509	$NEXT_RUNTIME_WRITE = $NOW + 10;	4384	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3510	Coro::async_pool {	4385	Coro::async_pool {
3511	$Coro::current->{desc} = "runtime saver";	4386	$Coro::current->{desc} = "runtime saver";
3512	write_runtime	4387	write_runtime_sync
3513	or warn "ERROR: unable to write runtime file: $!";	4388	or error "ERROR: unable to write runtime file: $!";
3514	};
3515	}	4389	};
		4390	}
3516		4391
3517	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3518	$sig->send;	4393	$sig->send;
3519	}	4394	}
3520	while (my $sig = shift @WAIT_FOR_TICK) {	4395	$WAIT_FOR_TICK->broadcast;
3521	$sig->send;
3522	}
3523		4396
3524	$NOW = Event::time;	4397	$LOAD = ($NOW - $TICK_START) / $TICK;
3525
3526	# if we are delayed by four ticks or more, skip them all
3527	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3528
3529	$TICK_WATCHER->at ($NEXT_TICK);
3530	$TICK_WATCHER->start;
3531
3532	$LOAD = ($NOW - $tick_start) / $TICK;
3533	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3534		4399
3535	_post_tick;	4400	if (0) {
		4401	if ($NEXT_TICK) {
		4402	my $jitter = $TICK_START - $NEXT_TICK;
		4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4404	debug "jitter $JITTER\n";#d#
		4405	}
3536	},	4406	}
3537	);	4407	}
3538		4408
3539	{	4409	{
		4410	# configure BDB
		4411	info "initialising database";
		4412
3540	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
3541	BDB::max_poll_time $TICK * 0.1;	4414	BDB::max_poll_reqs $TICK * 0.1;
3542	$BDB_POLL_WATCHER = Event->io (	4415	#$AnyEvent::BDB::WATCHER->priority (1);
3543	reentrant => 0,
3544	fd => BDB::poll_fileno,
3545	poll => 'r',
3546	prio => 0,
3547	data => WF_AUTOCANCEL,
3548	cb => \&BDB::poll_cb,
3549	);
3550
3551	BDB::set_sync_prepare {
3552	my $status;
3553	my $current = $Coro::current;
3554	(
3555	sub {
3556	$status = $!;
3557	$current->ready; undef $current;
3558	},
3559	sub {
3560	Coro::schedule while defined $current;
3561	$! = $status;
3562	},
3563	)
3564	};
3565		4416
3566	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
3567	$DB_ENV = BDB::db_env_create;	4418	$DB_ENV = BDB::db_env_create;
3568	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4419	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3569	| BDB::LOG_AUTOREMOVE, 1);	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;
3570	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4422	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3571	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4423	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3572		4424
3573	cf::sync_job {	4425	cf::sync_job {
3574	eval {	4426	eval {
…		…
3584		4436
3585	cf::cleanup "db_env_open(db): $@" if $@;	4437	cf::cleanup "db_env_open(db): $@" if $@;
3586	};	4438	};
3587	}	4439	}
3588		4440
3589	$BDB_DEADLOCK_WATCHER = Event->timer (	4441	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
3590	after => 3,
3591	interval => 1,
3592	hard => 1,
3593	prio => 0,
3594	data => WF_AUTOCANCEL,
3595	cb => sub {
3596	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };	4442	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3597	},
3598	);	4443	};
3599	$BDB_CHECKPOINT_WATCHER = Event->timer (	4444	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
3600	after => 11,
3601	interval => 60,
3602	hard => 1,
3603	prio => 0,
3604	data => WF_AUTOCANCEL,
3605	cb => sub {
3606	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4445	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3607	},
3608	);	4446	};
3609	$BDB_TRICKLE_WATCHER = Event->timer (	4447	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3610	after => 5,
3611	interval => 10,
3612	hard => 1,
3613	prio => 0,
3614	data => WF_AUTOCANCEL,
3615	cb => sub {
3616	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4448	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3617	},
3618	);	4449	};
		4450
		4451	info "database initialised";
3619	}	4452	}
3620		4453
3621	{	4454	{
		4455	# configure IO::AIO
		4456
		4457	info "initialising aio";
3622	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
3623
3624	undef $Coro::AIO::WATCHER;
3625	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
3626	$AIO_POLL_WATCHER = Event->io (	4460	undef $AnyEvent::AIO::WATCHER;
3627	reentrant => 0,	4461	info "aio initialised";
3628	data => WF_AUTOCANCEL,
3629	fd => IO::AIO::poll_fileno,
3630	poll => 'r',
3631	prio => 6,
3632	cb => \&IO::AIO::poll_cb,
3633	);
3634	}	4462	}
3635		4463
3636	my $_log_backtrace;	4464	our $_log_backtrace;
		4465	our $_log_backtrace_last;
3637		4466
3638	sub _log_backtrace {	4467	sub _log_backtrace {
3639	my ($msg, @addr) = @_;	4468	my ($msg, @addr) = @_;
3640		4469
3641	$msg =~ s/\n//;	4470	$msg =~ s/\n$//;
3642		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3643	# limit the # of concurrent backtraces	4475	# limit the # of concurrent backtraces
3644	if ($_log_backtrace < 2) {	4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
3645	++$_log_backtrace;	4478	++$_log_backtrace;
		4479	my $perl_bt = Carp::longmess $msg;
3646	async {	4480	async {
3647	$Coro::current->{desc} = "abt $msg";	4481	$Coro::current->{desc} = "abt $msg";
3648		4482
3649	my @bt = fork_call {	4483	my @bt = fork_call {
3650	@addr = map { sprintf "%x", $_ } @addr;	4484	@addr = map { sprintf "%x", $_ } @addr;
…		…
3661	}	4495	}
3662		4496
3663	@funcs	4497	@funcs
3664	};	4498	};
3665		4499
3666	LOG llevInfo, "[ABT] $msg\n";	4500	LOG llevInfo, "[ABT] $perl_bt\n";
		4501	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3667	LOG llevInfo, "[ABT] $_\n" for @bt;	4502	LOG llevInfo, "[ABT] $_\n" for @bt;
3668	--$_log_backtrace;	4503	--$_log_backtrace;
3669	};	4504	};
3670	} else {	4505	} else {
3671	LOG llevInfo, "[ABT] $msg\n";	4506	LOG llevInfo, "[ABT] $msg\n";
3672	LOG llevInfo, "[ABT] [suppressed]\n";	4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3673	}	4508	}
3674	}	4509	}
3675		4510
3676	# load additional modules	4511	# load additional modules
3677	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
3678		4514
3679	END { cf::emergency_save }	4515	END { cf::emergency_save }
3680		4516
3681	1	4517	1
3682		4518

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