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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.316 by root, Mon Jul 23 21:02:50 2007 UTC vs.
Revision 1.594 by root, Fri Nov 9 02:50:50 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;	63	use Time::HiRes;
33	use Compress::LZF;	64	use Compress::LZF;
34	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
35		68
36	# configure various modules to our taste	69	# configure various modules to our taste
37	#	70	#
38	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		79
42	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
43		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		82
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
50		86
51	our %COMMAND = ();	87	our %COMMAND = ();
52	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
53		89
54	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
56	our %EXTICMD = ();	93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
59		97
60	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
62		102
63	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
64	our $DATADIR = datadir;	105	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
68	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
73	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
		116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
74		126
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	our $NEXT_TICK;	129	our $NEXT_TICK;
		130	our $USE_FSYNC = 1; # use fsync to write maps - default on
		131
		132	our $BDB_DEADLOCK_WATCHER;
		133	our $BDB_CHECKPOINT_WATCHER;
		134	our $BDB_TRICKLE_WATCHER;
		135	our $DB_ENV;
		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
		139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		141
		142	our $UPTIME; $UPTIME ||= time;
		143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
80	our $NOW;	145	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		146
83	our $BDB_POLL_WATCHER;	147	our (%PLAYER, %PLAYER_LOADING); # all users
84	our $DB_ENV;	148	our (%MAP, %MAP_LOADING ); # all maps
85
86	our %CFG;
87
88	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;
90
91	our %PLAYER; # all users
92	our %MAP; # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
94		150
95	# used to convert map paths into valid unix filenames by replacing / by ∕	151	# used to convert map paths into valid unix filenames by replacing / by ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		153
98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
99	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
100	our $tick_start; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
101		166
102	binmode STDOUT;	167	binmode STDOUT;
103	binmode STDERR;	168	binmode STDERR;
104		169
105	# read virtual server time, if available	170	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
110	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
111		178
112	mkdir $_	179	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		181
115	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
116		183
117	sub cf::map::normalise;	184	sub cf::map::normalise;
118		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
119	#############################################################################	190	#############################################################################
120		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
121	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
122		204
123	=over 4	205	=over 4
124		206
125	=item $cf::UPTIME	207	=item $cf::UPTIME
126		208
127	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
128		225
129	=item $cf::RUNTIME	226	=item $cf::RUNTIME
130		227
131	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
132	every server tick.	229	every server tick.
133		230
134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
137		234
138	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
141	database environment.	238	database environment.
142		239
143	=item $cf::NOW
144
145	The time of the last (current) server tick.
146
147	=item $cf::TICK
148
149	The interval between server ticks, in seconds.
150
151	=item $cf::LOADAVG	240	=item $cf::LOADAVG
152		241
153	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
154	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
155	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
158		247
159	The raw value load value from the last tick.	248	The raw value load value from the last tick.
160		249
161	=item %cf::CFG	250	=item %cf::CFG
162		251
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	253	from wherever your confdir points to.
165		254
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		256
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	258	returns directly I<after> the tick processing (and consequently, can only wake one thread
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		260
		261	Note that cf::Wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
172	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
173		279
174	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
176	that call.	282	that call.
177		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
178	=back	290	=back
179		291
180	=cut	292	=cut
181		293
182	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
183	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
184	my $msg = join "", @_;	301	my $msg = join "", @_;
185		302
186	$msg .= "\n"	303	$msg .= "\n"
187	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
188		305
189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
190		307
191	utf8::encode $msg;
192	LOG llevError, $msg;	308	LOG llevWarn, $msg;
193	};	309	};
194	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
195		324
196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
206	for my $pkg (qw(	335	for my $pkg (qw(
207	cf::global cf::attachable	336	cf::global cf::attachable
208	cf::object cf::object::player	337	cf::object cf::object::player
209	cf::client cf::player	338	cf::client cf::player
210	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
211	cf::map cf::party cf::region	341	cf::party cf::region
212	)) {	342	)) {
213	no strict 'refs';
214	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
215	}	344	}
216		345
217	$Event::DIED = sub {	346	$EV::DIED = sub {
218	warn "error in event callback: @_";	347	warn "error in event callback: $@";
219	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
220		354
221	#############################################################################	355	#############################################################################
222		356
223	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
224		358
…		…
245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
246	$d	380	$d
247	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
248	}	382	}
249		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
250	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
251		437
252	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
253		439
254	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
255		441
256	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
257		443
258	=cut	444	=cut
259		445
260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
261		447
262	sub to_json ($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
263	sub from_json ($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
264		512
265	=item cf::lock_wait $string	513	=item cf::lock_wait $string
266		514
267	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
268		516
269	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
270		518
271	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
273	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
274	returned.	522	returned.
275		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
276	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
277	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
278		529
279	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
280		531
281	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
282		533
283	=cut	534	=cut
284		535
285	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
286		537
287	sub lock_wait($) {	538	sub lock_wait($) {
288	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
289
290	# wait for lock, if any
291	while ($LOCK{$key}) {
292	push @{ $LOCK{$key} }, $Coro::current;
293	Coro::schedule;
294	}
295	}	540	}
296		541
297	sub lock_acquire($) {	542	sub lock_acquire($) {
298	my ($key) = @_;	543	$LOCKS->guard ($_[0])
299
300	# wait, to be sure we are not locked
301	lock_wait $key;
302
303	$LOCK{$key} = [];
304
305	Coro::guard {
306	# wake up all waiters, to be on the safe side
307	$_->ready for @{ delete $LOCK{$key} };
308	}
309	}	544	}
310		545
311	sub lock_active($) {	546	sub lock_active($) {
312	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
313
314	! ! $LOCK{$key}
315	}	548	}
316		549
317	sub freeze_mainloop {	550	sub freeze_mainloop {
318	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
319		552
320	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
321	$TICK_WATCHER->start;	554	}
322	};	555
323	$TICK_WATCHER->stop;	556	=item cf::periodic $interval, $cb
324	$guard	557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
325	}	569	}
326		570
327	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
328		572
329	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
330	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
331	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
332		580
333	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
334	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
335		583
336	Useful for short background jobs.	584	Useful for short background jobs.
337		585
338	=cut	586	=cut
339		587
340	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
341	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
342		591
343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
344	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
345	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
346		598
347	while () {	599	while () {
348	next_job:	600	next_job:
		601
349	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
350	if ($avail > 0.01) {	603
351	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
352	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
353	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
354	$job->[2]->send;	608	$job->[2]->send;
355	Coro::cede;	609	Coro::cede;
356	goto next_job;	610	goto next_job;
357	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
358	}	613	}
359	}	614	}
360		615
361	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
362	# we do not use wait_For_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
363	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
364	$signal->wait;
365	} else {	619	} else {
		620	$busy = 0;
366	Coro::schedule;	621	Coro::schedule;
367	}	622	}
368	}	623	}
369	};	624	};
370		625
371	sub get_slot($;$$) {	626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
372	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
373		630
374	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
375	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
376		634
377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
379	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
390		648
391	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
392		650
393	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
394		652
395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	653	The design of Deliantra requires that the main coroutine ($Coro::main)
396	is always able to handle events or runnable, as Crossfire TRT is only	654	is always able to handle events or runnable, as Deliantra is only
397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
398	acceptable.	656	acceptable.
399		657
400	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
401	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
…		…
405	=cut	663	=cut
406		664
407	sub sync_job(&) {	665	sub sync_job(&) {
408	my ($job) = @_;	666	my ($job) = @_;
409		667
410	if ($Coro::current == $Coro::main) {	668	if (in_main) {
411	my $time = Event::time;	669	my $time = AE::time;
412		670
413	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
414	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
415		673
416	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
417	# (but this is cancel-safe)	675
418	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
419		677
420	my $busy = 1;	678	my $busy = 1;
421	my @res;	679	my @res;
422		680
423	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
424	@res = eval { $job->() };	683	@res = eval { $job->() };
425	warn $@ if $@;	684	error $@ if $@;
426	undef $busy;	685	undef $busy;
427	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
428		687
429	while ($busy) {	688	while ($busy) {
430	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
431	}	693	}
		694	}
432		695
433	$time = Event::time - $time;	696	my $time = AE::time - $time;
434		697
435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
437
438	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
439		699
440	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
441	} else {	701	} else {
442	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
443		703
…		…
463	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
464		724
465	$coro	725	$coro
466	}	726	}
467		727
468	=item fork_call { }, $args	728	=item fork_call { }, @args
469		729
470	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
471	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
472	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
473	never block itself or use any form of Event handling.	733	never block itself or use any form of event handling.
474		734
475	=cut	735	=cut
476		736
477	sub _store_scalar {	737	sub post_fork {
478	open my $fh, ">", \my $buf	738	reset_signals;
479	or die "fork_call: cannot open fh-to-buf in child : $!";
480	Storable::store_fd $_[0], $fh;
481	close $fh;
482
483	$buf
484	}	739	}
485		740
486	sub fork_call(&@) {	741	sub fork_call(&@) {
487	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
488		743
489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	744	# we seemingly have to make a local copy of the whole thing,
490	# or die "socketpair: $!";	745	# otherwise perl prematurely frees the stuff :/
491	pipe my $fh1, my $fh2	746	# TODO: investigate and fix (likely this will be rather laborious)
492	or die "pipe: $!";
493		747
494	if (my $pid = fork) {	748	my @res = Coro::Util::fork_eval {
495	close $fh2;	749	cf::post_fork;
		750	&$cb
		751	} @args;
496		752
497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	753	wantarray ? @res : $res[-1]
498	warn "pst<$res>" unless $res =~ /^pst/;	754	}
499	$res = Coro::Storable::thaw $res;
500		755
501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	756	sub objinfo {
502
503	Carp::confess $$res unless "ARRAY" eq ref $res;
504
505	return wantarray ? @$res : $res->[-1];
506	} else {
507	reset_signals;
508	local $SIG{__WARN__};
509	local $SIG{__DIE__};
510	# just in case, this hack effectively disables event
511	# in the child. cleaner and slower would be canceling all watchers,
512	# but this works for the time being.
513	local $Coro::idle;
514	$Coro::current->prio (Coro::PRIO_MAX);
515
516	eval {
517	close $fh1;
518
519	my @res = eval { $cb->(@args) };
520
521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
522	close $fh2;
523	};
524
525	warn $@ if $@;
526	_exit 0;
527	}	757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
528	}	792	}
529		793
530	=item $value = cf::db_get $family => $key	794	=item $value = cf::db_get $family => $key
531		795
532	Returns a single value from the environment database.	796	Returns a single value from the environment database.
…		…
534	=item cf::db_put $family => $key => $value	798	=item cf::db_put $family => $key => $value
535		799
536	Stores the given C<$value> in the family. It can currently store binary	800	Stores the given C<$value> in the family. It can currently store binary
537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
538		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
539	=cut	808	=cut
		809
		810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
		814	my ($name) = @_;
		815	my $db = BDB::db_create $DB_ENV;
		816
		817	eval {
		818	$db->set_flags (BDB::CHKSUM);
		819
		820	utf8::encode $name;
		821	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		822	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		823	cf::cleanup "db_open(db): $!" if $!;
		824	};
		825	cf::cleanup "db_open(db): $@" if $@;
		826
		827	$db
		828	}
540		829
541	our $DB;	830	our $DB;
542		831
543	sub db_init {	832	sub db_init {
544	unless ($DB) {	833	$DB ||= db_table "db";
545	$DB = BDB::db_create $DB_ENV;
546
547	cf::sync_job {
548	eval {
549	$DB->set_flags (BDB::CHKSUM);
550
551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
553	cf::cleanup "db_open(db): $!" if $!;
554	};
555	cf::cleanup "db_open(db): $@" if $@;
556	};
557	}
558	}	834	}
559		835
560	sub db_get($$) {	836	sub db_get($$) {
561	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
562		838
563	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
564	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
565		843
566	$! ? ()	844	$! ? ()
567	: $data	845	: $data
568	}
569	}	846	}
570		847
571	sub db_put($$$) {	848	sub db_put($$$) {
572	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
601		878
602	my @data;	879	my @data;
603	my $md5;	880	my $md5;
604		881
605	for (0 .. $#$src) {	882	for (0 .. $#$src) {
606	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
607	or Carp::croak "$src->[$_]: $!";
608	}	884	}
609		885
610	# if processing is expensive, check	886	# if processing is expensive, check
611	# checksum first	887	# checksum first
612	if (1) {	888	if (1) {
613	$md5 =	889	$md5 =
614	join "\x00",	890	join "\x00",
615	$processversion,	891	$processversion,
616	map {	892	map {
617	Coro::cede;	893	cf::cede_to_tick;
618	($src->[$_], Digest::MD5::md5_hex $data[$_])	894	($src->[$_], Digest::MD5::md5_hex $data[$_])
619	} 0.. $#$src;	895	} 0.. $#$src;
620		896
621		897
622	my $dbmd5 = db_get cache => "$id/md5";	898	my $dbmd5 = db_get cache => "$id/md5";
…		…
629		905
630	my $t1 = Time::HiRes::time;	906	my $t1 = Time::HiRes::time;
631	my $data = $process->(\@data);	907	my $data = $process->(\@data);
632	my $t2 = Time::HiRes::time;	908	my $t2 = Time::HiRes::time;
633		909
634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
635		911
636	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
637	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
638	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
639		915
…		…
649		925
650	=cut	926	=cut
651		927
652	sub datalog($@) {	928	sub datalog($@) {
653	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
655	}	931	}
656		932
657	=back	933	=back
658		934
659	=cut	935	=cut
660		936
661	#############################################################################	937	#############################################################################
662		938
663	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
664		940
665	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
666	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
667	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
668		944
669	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
670	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
671	Crossfire TRT).	947	Deliantra).
672		948
673	=over 4	949	=over 4
674		950
675	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
676		952
…		…
720	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
721		997
722	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
723	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
724		1000
725	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
726	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
727		1003
728	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
729		1005
730	=over 4	1006	=over 4
…		…
854		1130
855	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
856	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
857		1133
858	} elsif (ref $type) {	1134	} elsif (ref $type) {
859	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
860		1136
861	} else {	1137	} else {
862	shift @arg;	1138	shift @arg;
863	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
864	}	1140	}
865	}	1141	}
866	}	1142	}
867		1143
868	sub _object_attach {	1144	sub _object_attach {
…		…
878	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
879	}	1155	}
880		1156
881	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
882	} else {	1158	} else {
883	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
884	}	1160	}
885		1161
886	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
887	}	1163	}
888		1164
…		…
947		1223
948	for (@$callbacks) {	1224	for (@$callbacks) {
949	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
950		1226
951	if ($@) {	1227	if ($@) {
952	warn "$@";
953	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
954	override;	1229	override;
955	}	1230	}
956		1231
957	return 1 if $override;	1232	return 1 if $override;
958	}	1233	}
959		1234
960	0	1235	0
961	}	1236	}
962		1237
963	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
964		1239
965	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
966		1241
967	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
968		1243
…		…
974		1249
975	=cut	1250	=cut
976		1251
977	#############################################################################	1252	#############################################################################
978	# object support	1253	# object support
979	#
980		1254
		1255	sub _object_equal($$);
		1256	sub _object_equal($$) {
		1257	my ($a, $b) = @_;
		1258
		1259	return 0 unless (ref $a) eq (ref $b);
		1260
		1261	if ("HASH" eq ref $a) {
		1262	my @ka = keys %$a;
		1263	my @kb = keys %$b;
		1264
		1265	return 0 if @ka != @kb;
		1266
		1267	for (0 .. $#ka) {
		1268	return 0 unless $ka[$_] eq $kb[$_];
		1269	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1270	}
		1271
		1272	} elsif ("ARRAY" eq ref $a) {
		1273
		1274	return 0 if @$a != @$b;
		1275
		1276	for (0 .. $#$a) {
		1277	return 0 unless _object_equal $a->[$_], $b->[$_];
		1278	}
		1279
		1280	} elsif ($a ne $b) {
		1281	return 0;
		1282	}
		1283
		1284	1
		1285	}
		1286
		1287	our $SLOW_MERGES;#d#
981	sub _can_merge {	1288	sub _can_merge {
982	my ($ob1, $ob2) = @_;	1289	my ($ob1, $ob2) = @_;
983		1290
984	local $Storable::canonical = 1;	1291	++$SLOW_MERGES;#d#
985	my $fob1 = Storable::freeze $ob1;
986	my $fob2 = Storable::freeze $ob2;
987		1292
988	$fob1 eq $fob2	1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
989	}	1295	}
990		1296
991	sub reattach {	1297	sub reattach {
992	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
993	my ($obj) = @_;	1299	my ($obj) = @_;
994		1300
		1301	# no longer needed after getting rid of delete_package?
995	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
996		1303
997	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
998		1305
999	@$registry = ();	1306	@$registry = ();
1000		1307
…		…
1005	for (@$attach) {	1312	for (@$attach) {
1006	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
1007	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
1008	}	1315	}
1009	} else {	1316	} else {
1010	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
1011	}	1318	}
1012	}	1319	}
1013	}	1320	}
1014		1321
1015	cf::attachable->attach (	1322	cf::attachable->attach (
1016	prio => -1000000,	1323	prio => -1000000,
1017	on_instantiate => sub {	1324	on_instantiate => sub {
1018	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
1019		1326
1020	$data = from_json $data;	1327	$data = decode_json $data;
1021		1328
1022	for (@$data) {	1329	for (@$data) {
1023	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
1024		1331
1025	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
1041	sub object_freezer_save {	1348	sub object_freezer_save {
1042	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
1043		1350
1044	sync_job {	1351	sync_job {
1045	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
1046	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
1047	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
1048		1357
1049	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1050	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
1051	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1052	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1363	aio_fsync $fh;
		1364	}
1053	close $fh;	1365	aio_close $fh;
1054		1366
1055	if (@$objs) {	1367	if (@$objs) {
1056	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1057	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
1058	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1059	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
1060	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	}
1061	close $fh;	1376	aio_close $fh;
1062	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
1063	}	1378	}
1064	} else {	1379	} else {
1065	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
1066	}	1381	}
1067		1382
1068	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
1069	} else {	1387	} else {
1070	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
1071	}	1389	}
1072	} else {	1390	} else {
1073	aio_unlink $filename;	1391	aio_unlink $filename;
1074	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1075	}	1393	}
1076	}	1394	};
1077	}	1395	}
1078		1396
1079	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
1080	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
1081		1399
…		…
1093	or return;	1411	or return;
1094		1412
1095	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
1096	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
1097	or return;	1415	or return;
		1416
1098	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
1099	}	1419	}
1100		1420
		1421	utf8::decode (my $decname = $filename);
1101	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1102	$filename, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
1103	return ($data, $av);	1426	($data, $av)
1104	}	1427	}
1105		1428
1106	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
1107		1430
1108	=over 4	1431	=over 4
…		…
1110	=cut	1433	=cut
1111		1434
1112	#############################################################################	1435	#############################################################################
1113	# command handling &c	1436	# command handling &c
1114		1437
1115	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1116		1439
1117	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
1118	$name.	1441	$name.
1119		1442
1120	=cut	1443	=cut
…		…
1126	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1127		1450
1128	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1129	}	1452	}
1130		1453
1131	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1132		1455
1133	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1134	extcmd packet. Ext commands will be processed in the order they are	1457	extcmd packet. Ext commands will be processed in the order they are
1135	received by the server, like other user commands. The first argument is	1458	received by the server, like other user commands. The first argument is
1136	the logged-in player. Ext commands can only be processed after a player	1459	the logged-in player. Ext commands can only be processed after a player
1137	has logged in successfully.	1460	has logged in successfully.
1138		1461
1139	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1140	called.
1141		1463
		1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
1142	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1143		1470
1144	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1145	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1146	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1147	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1148	log-in.	1475	log-in.
1149		1476
1150	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1151	called.
1152		1478
1153	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1154		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1155	sub register_extcmd {	1486	sub register_extcmd($$) {
1156	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1157		1488
1158	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1159	}	1490	}
1160		1491
1161	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1162	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1163		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1164	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1165	}	1502	}
1166		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1167	cf::player->attach (	1512	cf::player->attach (
1168	on_command => sub {	1513	on_unknown_command => sub {
1169	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1170		1515
1171	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1172	or return;	1517	or return;
1173		1518
…		…
1181	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1182		1527
1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1184		1529
1185	if (ref $msg) {	1530	if (ref $msg) {
1186	my ($type, $reply, @payload) =	1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1187	"ARRAY" eq ref $msg
1188	? @$msg
1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1190		1532
1191	if (my $cb = $EXTCMD{$type}) {	1533	if (my $cb = $EXTACMD{$type}) {
		1534	$cb->(
		1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
1192	my @reply = $cb->($pl, @payload);	1546	@reply = $cb->($pl, @payload);
		1547	}
1193		1548
1194	$pl->ext_reply ($reply, @reply)	1549	$pl->ext_msg ("reply-$reply", @reply)
1195	if $reply;	1550	if $reply;
1196	}	1551	}
		1552
1197	} else {	1553	} else {
1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1199	}	1555	}
1200		1556
1201	cf::override;	1557	cf::override;
1202	},	1558	},
1203	);	1559	);
1204		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
1205	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1206	cf::sync_job {	1590	cf::sync_job {
1207	my %todo;	1591	my %todo;
1208		1592
1209	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1210	next unless -r $path;	1594	next unless -r $path;
…		…
1228		1612
1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1231		1615
1232	$ext{source} =	1616	$ext{source} =
1233	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1234	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1235	. $source	1619	. $source
1236	. "\n};\n1";	1620	. "\n};\n1";
1237		1621
1238	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1239	}	1623	}
1240		1624
		1625	my $pass = 0;
1241	my %done;	1626	my %done;
1242	while (%todo) {	1627	while (%todo) {
1243	my $progress;	1628	my $progress;
1244		1629
		1630	++$pass;
		1631
		1632	ext:
1245	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1246	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1247	goto skip	1635	next ext
1248	unless exists $done{$_};	1636	unless exists $done{$_};
1249	}	1637	}
1250		1638
1251	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1252		1640
1253	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
1254	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1255	: "$v->{base}: extension inactive.\n";
1256		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1257	if (exists $v->{meta}{mandatory}) {	1656	if exists $v->{meta}{mandatory};
1258	warn $msg;	1657
1259	warn "mandatory extension failed to load, exiting.\n";	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1260	exit 1;	1659	delete $todo{$k};
1261	}	1660	} else {
1262		1661	$done{$k} = delete $todo{$k};
1263	warn $msg;	1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1264	}	1667	}
1265
1266	$done{$k} = delete $todo{$k};
1267	push @EXTS, $v->{pkg};
1268	$progress = 1;
1269	}	1668	}
1270		1669
1271	skip:	1670	unless ($progress) {
1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1273	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1274	}	1680	}
1275	};	1681	};
1276	}	1682	}
1277		1683
1278	#############################################################################	1684	#############################################################################
1279		1685
1280	=back	1686	=back
1281		1687
1282	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1283		1689
1284	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1285		1691
1286	=cut	1692	=cut
1287		1693
1288	package cf::player;	1694	package cf::player;
1289		1695
1290	use Coro::AIO;	1696	use Coro::AIO;
1291		1697
1292	=head3 cf::player	1698	=head3 cf::player
1293		1699
1294	=over 4	1700	=over 4
		1701
		1702	=item cf::player::num_playing
		1703
		1704	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1705
		1706	=cut
		1707
		1708	sub num_playing {
		1709	scalar grep
		1710	$_->ob->map
		1711	&& !$_->hidden
		1712	&& !$_->ob->flag (cf::FLAG_WIZ),
		1713	cf::player::list
		1714	}
1295		1715
1296	=item cf::player::find $login	1716	=item cf::player::find $login
1297		1717
1298	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
1299		1719
…		…
1318		1738
1319	sub exists($) {	1739	sub exists($) {
1320	my ($login) = @_;	1740	my ($login) = @_;
1321		1741
1322	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1323	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1324	}	1744	}
1325		1745
1326	sub find($) {	1746	sub find($) {
1327	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1328	my $login = $_[0];	1748	my $login = $_[0];
…		…
1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1338	aio_unlink +(playerdir $login) . "/$login.pl";	1758	aio_unlink +(playerdir $login) . "/$login.pl";
1339		1759
1340	my $pl = load_pl path $login	1760	my $f = new_from_file cf::object::thawer path $login
1341	or return;	1761	or return;
		1762
		1763	my $pl = cf::player::load_pl $f
		1764	or return;
		1765
		1766	local $cf::PLAYER_LOADING{$login} = $pl;
		1767	$f->resolve_delayed_derefs;
1342	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1343	}	1769	}
1344	}	1770	}
1345	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
1346		1785
1347	sub save($) {	1786	sub save($) {
1348	my ($pl) = @_;	1787	my ($pl) = @_;
1349		1788
1350	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1355	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1356		1795
1357	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1358	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1359		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1803
1360	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1361	Coro::cede;	1805	cf::cede_to_tick;
1362	}	1806	}
1363		1807
1364	sub new($) {	1808	sub new($) {
1365	my ($login) = @_;	1809	my ($login) = @_;
1366		1810
…		…
1372	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1373		1817
1374	$self	1818	$self
1375	}	1819	}
1376		1820
		1821	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1822
		1823	=cut
		1824
		1825	sub send_msg {
		1826	my $ns = shift->ns
		1827	or return;
		1828	$ns->send_msg (@_);
		1829	}
		1830
1377	=item $pl->quit_character	1831	=item $pl->quit_character
1378		1832
1379	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1380	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1381		1835
…		…
1385	my ($pl) = @_;	1839	my ($pl) = @_;
1386		1840
1387	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1388		1842
1389	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1390	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1391		1845
1392	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1393	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1394	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1395	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1396		1854
1397	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1398	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1399	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1434	or return [];	1892	or return [];
1435		1893
1436	my @logins;	1894	my @logins;
1437		1895
1438	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
		1897	my $path = path $login;
		1898
		1899	# a .pst is a dead give-away for a valid player
		1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1439	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1440	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1441	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1442		1906
1443	utf8::decode $login;	1907	utf8::decode $login;
1444	push @logins, $login;	1908	push @logins, $login;
1445	}	1909	}
1446		1910
1447	\@logins	1911	\@logins
1448	}	1912	}
1449		1913
1450	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1451		1917
1452	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1453	player. May block.	1919	player. May block.
1454		1920
1455	=cut	1921	=cut
…		…
1473	}	1939	}
1474		1940
1475	\@paths	1941	\@paths
1476	}	1942	}
1477		1943
1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1479		1945
1480	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1481
1482	=cut
1483
1484	sub expand_cfpod {
1485	((my $self), (local $_)) = @_;
1486
1487	# escape & and <
1488	s/&/&amp;/g;
1489	s/(?<![BIUGH])</&lt;/g;
1490
1491	# this is buggy, it needs to properly take care of nested <'s
1492
1493	1 while
1494	# replace B<>, I<>, U<> etc.
1495	s/B<([^\>]*)>/<b>$1<\/b>/
1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
1498	# replace G<male|female> tags
1499	|| s{G<([^>|]*)\|([^>]*)>}{
1500	$self->gender ? $2 : $1
1501	}ge
1502	# replace H<hint text>
1503	|| s{H<([^\>]*)>}
1504	{
1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1507	"")
1508	[$self->{hintmode}]
1509	}ge;
1510
1511	# create single paragraphs (very hackish)
1512	s/(?<=\S)\n(?=\w)/ /g;
1513
1514	# compress some whitespace
1515	s/\s+\n/\n/g; # ws line-ends
1516	s/\n\n+/\n/g; # double lines
1517	s/^\n+//; # beginning lines
1518	s/\n+$//; # ending lines
1519
1520	$_
1521	}
1522
1523	sub hintmode {
1524	$_[0]{hintmode} = $_[1] if @_ > 1;
1525	$_[0]{hintmode}
1526	}
1527
1528	=item $player->ext_reply ($msgid, @msg)
1529
1530	Sends an ext reply to the player.
1531
1532	=cut
1533
1534	sub ext_reply($$@) {
1535	my ($self, $id, @msg) = @_;
1536
1537	if ($self->ns->extcmd == 2) {
1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1539	} elsif ($self->ns->extcmd == 1) {
1540	#TODO: version 1, remove
1541	unshift @msg, msgtype => "reply", msgid => $id;
1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1543	}
1544	}
1545		1947
1546	=item $player->ext_msg ($type, @msg)	1948	=item $player->ext_msg ($type, @msg)
1547		1949
1548	Sends an ext event to the client.	1950	Sends an ext event to the client.
1549		1951
…		…
1569		1971
1570	=cut	1972	=cut
1571		1973
1572	sub find_by_path($) {	1974	sub find_by_path($) {
1573	my ($path) = @_;	1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
1574		1978
1575	my ($match, $specificity);	1979	my ($match, $specificity);
1576		1980
1577	for my $region (list) {	1981	for my $region (list) {
1578	if ($region->{match} && $path =~ $region->{match}) {	1982	if ($region->{match} && $path =~ $region->{match}) {
…		…
1604	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1605	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1606		2010
1607	sub generate_random_map {	2011	sub generate_random_map {
1608	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1609	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1610	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1611	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1612	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1613	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1614	$rmp->{exit_on_final_map},
1615	$rmp->{xsize}, $rmp->{ysize},
1616	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1617	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1618	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1619	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1620	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1621	(cf::region::find $rmp->{region}), $rmp->{custom}
1622	)
1623	}	2017	}
1624		2018
1625	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1626		2020
1627	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1632		2026
1633	sub register {	2027	sub register {
1634	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1635	my $pkg = caller;	2029	my $pkg = caller;
1636		2030
1637	no strict;
1638	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1639		2032
1640	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1641	}	2034	}
1642		2035
1643	# also paths starting with '/'	2036	# also paths starting with '/'
1644	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1645		2038
1646	sub thawer_merge {	2039	sub thawer_merge {
1647	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1648		2041
1649	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1654	}	2047	}
1655		2048
1656	sub normalise {	2049	sub normalise {
1657	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1658		2051
1659	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1660		2053
1661	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1662		2055
1663	# map plan:	2056	# map plan:
1664	#	2057	#
…		…
1679	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1680	$path = "$base/$path";	2073	$path = "$base/$path";
1681	}	2074	}
1682		2075
1683	for ($path) {	2076	for ($path) {
1684	redo if s{//}{/};
1685	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1686	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1687	}	2079	}
1688		2080
1689	$path	2081	$path
…		…
1703	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1704	return $self;	2096	return $self;
1705	}	2097	}
1706	}	2098	}
1707		2099
1708	Carp::cluck "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1709	()	2101	()
1710	}	2102	}
1711		2103
		2104	# may re-bless or do other evil things
1712	sub init {	2105	sub init {
1713	my ($self) = @_;	2106	my ($self) = @_;
1714		2107
1715	$self	2108	$self
1716	}	2109	}
…		…
1735		2128
1736	# the temporary/swap location	2129	# the temporary/swap location
1737	sub save_path {	2130	sub save_path {
1738	my ($self) = @_;	2131	my ($self) = @_;
1739		2132
1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1741	"$TMPDIR/$path.map"	2134	"$TMPDIR/$path.map"
1742	}	2135	}
1743		2136
1744	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1745	sub uniq_path {	2138	sub uniq_path {
1746	my ($self) = @_;	2139	my ($self) = @_;
1747		2140
1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1749	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1750	}
1751
1752	# and all this just because we cannot iterate over
1753	# all maps in C++...
1754	sub change_all_map_light {
1755	my ($change) = @_;
1756
1757	$_->change_map_light ($change)
1758	for grep $_->outdoor, values %cf::MAP;
1759	}	2143	}
1760		2144
1761	sub decay_objects {	2145	sub decay_objects {
1762	my ($self) = @_;	2146	my ($self) = @_;
1763		2147
…		…
1776		2160
1777	sub load_header_from($) {	2161	sub load_header_from($) {
1778	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1779		2163
1780	utf8::encode $path;	2164	utf8::encode $path;
1781	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1782	# or return;
1783
1784	$self->_load_header ($path)
1785	or return;	2166	or return;
1786		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1787	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1788		2175
1789	1	2176	1
1790	}	2177	}
1791		2178
		2179	# used to laod the header of an original map
1792	sub load_header_orig {	2180	sub load_header_orig {
1793	my ($self) = @_;	2181	my ($self) = @_;
1794		2182
1795	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1796	}	2184	}
1797		2185
		2186	# used to laod the header of an instantiated map
1798	sub load_header_temp {	2187	sub load_header_temp {
1799	my ($self) = @_;	2188	my ($self) = @_;
1800		2189
1801	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1802	}	2191	}
1803		2192
		2193	# called after loading the header from an instantiated map
1804	sub prepare_temp {	2194	sub prepare_temp {
1805	my ($self) = @_;	2195	my ($self) = @_;
1806		2196
1807	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1808	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1809	# safety	2199	# safety
1810	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1811	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1812	}	2202	}
1813		2203
		2204	# called after loading the header from an original map
1814	sub prepare_orig {	2205	sub prepare_orig {
1815	my ($self) = @_;	2206	my ($self) = @_;
1816		2207
1817	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1818	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1842		2233
1843	sub find;	2234	sub find;
1844	sub find {	2235	sub find {
1845	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1846		2237
		2238	cf::cede_to_tick;
		2239
1847	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1848		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1849	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1850		2244
1851	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1852	my $guard = cf::lock_acquire "map_find:$path";
1853	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1854	or return;	2247	or return;
1855		2248
1856	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1857		2250
…		…
1859	or return;	2252	or return;
1860		2253
1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1862	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1863	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1864	$map->reset;	2259	$map->reset;
1865	undef $guard;
1866	return find $path;	2260	return find $path;
1867	}	2261	}
1868		2262
1869	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1870	}	2264	}
1871	}	2265	}
1872		2266
1873	sub pre_load { }	2267	sub pre_load { }
1874	sub post_load { }	2268	#sub post_load { } # XS
1875		2269
1876	sub load {	2270	sub load {
1877	my ($self) = @_;	2271	my ($self) = @_;
1878		2272
1879	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1880		2274
1881	my $path = $self->{path};	2275	my $path = $self->{path};
1882		2276
1883	{	2277	{
1884	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1885		2279
		2280	return unless $self->valid;
1886	return if $self->in_memory != cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
1887
1888	$self->in_memory (cf::MAP_LOADING);
1889		2282
1890	$self->alloc;	2283	$self->alloc;
1891		2284
1892	$self->pre_load;	2285	$self->pre_load;
1893	Coro::cede;	2286	cf::cede_to_tick;
1894		2287
1895	$self->_load_objects ($self->{load_path}, 1)	2288	if (exists $self->{load_path}) {
		2289	my $f = new_from_file cf::object::thawer $self->{load_path};
		2290	$f->skip_block;
		2291	$self->_load_objects ($f)
1896	or return;	2292	or return;
1897		2293
1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1899	if delete $self->{load_original};	2295	if delete $self->{load_original};
1900		2296
1901	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1902	utf8::encode $uniq;	2298	utf8::encode $uniq;
1903	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1904	$self->clear_unique_items;	2301	$self->clear_unique_items;
1905	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1906	}	2306	}
1907	}
1908		2307
1909	Coro::cede;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
		2315
		2316	cf::cede_to_tick;
1910	# now do the right thing for maps	2317	# now do the right thing for maps
1911	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1912	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1913	unless $self->difficulty;	2320	unless $self->difficulty;
1914	Coro::cede;	2321	cf::cede_to_tick;
1915		2322
1916	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
1917	$self->decay_objects;	2324	$self->decay_objects;
1918	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
1919	$self->update_buttons;	2326	$self->update_buttons;
1920	Coro::cede;	2327	cf::cede_to_tick;
1921	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
1922	Coro::cede;
1923	$self->activate;
1924	}	2329	}
1925		2330
1926	$self->in_memory (cf::MAP_IN_MEMORY);	2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1927	}	2333	}
1928		2334
1929	$self->post_load;	2335	$self->post_load;
1930	}
1931		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
1932	sub customise_for {	2343	sub customise_for {
1933	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1934		2345
1935	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1936	if $self->per_player;	2347	if $self->per_player;
…		…
1939	# if $self->per_party;	2350	# if $self->per_party;
1940		2351
1941	$self	2352	$self
1942	}	2353	}
1943		2354
1944	# find and load all maps in the 3x3 area around a map
1945	sub load_diag {
1946	my ($map) = @_;
1947
1948	my @diag; # diagonal neighbours
1949
1950	for (0 .. 3) {
1951	my $neigh = $map->tile_path ($_)
1952	or next;
1953	$neigh = find $neigh, $map
1954	or next;
1955	$neigh->load;
1956
1957	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1958	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1959	}
1960
1961	for (@diag) {
1962	my $neigh = find @$_
1963	or next;
1964	$neigh->load;
1965	}
1966	}
1967
1968	sub find_sync {	2355	sub find_sync {
1969	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1970		2357
1971	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
1972	}	2363	}
1973		2364
1974	sub do_load_sync {	2365	sub do_load_sync {
1975	my ($map) = @_;	2366	my ($map) = @_;
1976		2367
1977	cf::sync_job { $map->load };	2368	# it's a bug to call this from the main context
		2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2370	if $Coro::current == $Coro::main;
		2371
		2372	$map->load;
1978	}	2373	}
1979		2374
1980	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1981	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1982		2377
1983	sub find_async {	2378	sub find_async {
1984	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1985		2380
1986	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1987		2382
1988	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1989	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1990	}	2385	}
1991		2386
1992	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1993	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1994	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1995	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1996	if (my $map = find $path) {	2394	if (my $map = find $k) {
1997	$map->load;	2395	$map->load if $v;
1998	}	2396	}
1999		2397
2000	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
2001	}	2399	}
2002	}	2400	}
2003	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
2004	};	2402	};
2005	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
2006		2404
2007	()	2405	()
2008	}	2406	}
2009		2407
		2408	# common code, used by both ->save and ->swapout
2010	sub save {	2409	sub _save {
2011	my ($self) = @_;	2410	my ($self) = @_;
2012
2013	my $lock = cf::lock_acquire "map_data:" . $self->path;
2014		2411
2015	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
2016		2413
2017	return unless $self->dirty;	2414	return unless $self->dirty;
2018		2415
…		…
2024	return if $self->{deny_save};	2421	return if $self->{deny_save};
2025		2422
2026	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
2027		2424
2028	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
2029	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
2030	};	2428	};
		2429
		2430	cf::get_slot 0.02;
2031		2431
2032	if ($uniq) {	2432	if ($uniq) {
2033	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
2034	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
2035	} else {	2435	} else {
2036	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2037	}	2437	}
2038	}	2438	}
2039		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
2040	sub swap_out {	2448	sub swap_out {
2041	my ($self) = @_;	2449	my ($self) = @_;
2042		2450
2043	# save first because save cedes
2044	$self->save;
2045
2046	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
2047		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
2048	return if $self->players;	2455	return if $self->players;
2049	return if $self->in_memory != cf::MAP_IN_MEMORY;
2050	return if $self->{deny_save};
2051		2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
2052	$self->clear;	2466	$self->clear;
2053	$self->in_memory (cf::MAP_SWAPPED);
2054	}	2467	}
2055		2468
2056	sub reset_at {	2469	sub reset_at {
2057	my ($self) = @_;	2470	my ($self) = @_;
2058		2471
…		…
2076		2489
2077	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
2078		2491
2079	return if $self->players;	2492	return if $self->players;
2080		2493
2081	warn "resetting map ", $self->path;	2494	cf::trace "resetting map ", $self->path, "\n";
2082		2495
2083	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
2084		2497
2085	# need to save uniques path	2498	# need to save uniques path
2086	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
2087	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
2088		2501
…		…
2090	if $uniq;	2503	if $uniq;
2091	}	2504	}
2092		2505
2093	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
2094		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
2095	$self->clear;	2510	$self->clear;
2096
2097	$_->clear_links_to ($self) for values %cf::MAP;
2098		2511
2099	$self->unlink_save;	2512	$self->unlink_save;
2100	$self->destroy;	2513	$self->destroy;
2101	}	2514	}
2102		2515
2103	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
2104		2517
2105	sub nuke {	2518	sub nuke {
2106	my ($self) = @_;	2519	my ($self) = @_;
2107		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
2108	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2109		2525
2110	$self->unlink_save;	2526	$self->unlink_save;
2111		2527
2112	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2113	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2114	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2115	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2116	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2117		2533
2118	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
2119		2536
2120	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
2121	}	2538	}
2122		2539
2123	=item $maps = cf::map::tmp_maps	2540	=item $maps = cf::map::tmp_maps
…		…
2165		2582
2166	sub unique_maps() {	2583	sub unique_maps() {
2167	[	2584	[
2168	map {	2585	map {
2169	utf8::decode $_;	2586	utf8::decode $_;
2170	/\.map$/	2587	s/\.map$//; # TODO future compatibility hack
		2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2589	? ()
2171	? normalise $_	2590	: normalise $_
2172	: ()
2173	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2174	]	2592	]
2175	}	2593	}
2176		2594
2177	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
2178		2626
2179	=back	2627	=back
2180		2628
2181	=head3 cf::object	2629	=head3 cf::object
2182		2630
…		…
2186		2634
2187	=over 4	2635	=over 4
2188		2636
2189	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
2190		2638
2191	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
2192		2641
2193	=cut	2642	=cut
2194		2643
2195	sub inv_recursive_;	2644	sub inv_recursive_;
2196	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
2199		2648
2200	sub inv_recursive {	2649	sub inv_recursive {
2201	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
2202	}	2651	}
2203		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
2204	package cf;	2681	package cf;
2205		2682
2206	=back	2683	=back
2207		2684
2208	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
2214	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2691	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2215	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
2216	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
2217		2694
2218	=cut	2695	=cut
		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
2219		2710
2220	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
2221	# with dialog boxes.	2712	# with dialog boxes.
2222	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
2223	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
2235	my $dialog = $pl->{npc_dialog};	2726	my $dialog = $pl->{npc_dialog};
2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2237		2728
2238	} else {	2729	} else {
2239	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
2240	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2241	}	2732	}
2242	}	2733	}
		2734	}
		2735
		2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2737
		2738	=cut
		2739
		2740	sub cf::object::send_msg {
		2741	my $pl = shift->contr
		2742	or return;
		2743	$pl->send_msg (@_);
2243	}	2744	}
2244		2745
2245	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
2246		2747
2247	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
2260		2761
2261	=item $player_object->enter_link	2762	=item $player_object->enter_link
2262		2763
2263	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
2264		2765
2265	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
2266	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
2267		2770
2268	Will never block.	2771	Will never block.
2269		2772
2270	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2271		2774
…		…
2291	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2292	my ($self) = @_;	2795	my ($self) = @_;
2293		2796
2294	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2295		2798
		2799	++$self->{_link_recursion};
		2800
2296	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2297		2802
2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2299	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2300		2805
2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2302	}	2807	}
2303		2808
2304	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2305	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2306		2811
…		…
2323	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2324	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2325		2830
2326	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2327	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2328	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2329		2834
2330	$map->load;	2835	$map->load;
2331	$map->load_diag;
2332		2836
2333	return unless $self->contr->active;	2837	return unless $self->contr->active;
2334	$self->activate_recursive;
2335		2838
2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2337	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2338	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2339		2846
		2847	}
		2848
2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2341		2850
2342	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2343	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2344	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2345	the new (success) or old (failed) map position. In either case, $done will	2854	the new (success) or old (failed) map position. In either case, $done will
2346	be called at the end of this process.	2855	be called at the end of this process.
2347		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
		2859
2348	=cut	2860	=cut
2349		2861
2350	our $GOTOGEN;	2862	our $GOTOGEN;
2351		2863
2352	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2353	my ($self, $path, $x, $y, $check, $done) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
2354		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
		2872
2355	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2357		2875
2358	$self->enter_link;	2876	$self->enter_link;
2359		2877
2360	(async {	2878	(async {
		2879	$Coro::current->{desc} = "player::goto $path $x $y";
		2880
		2881	# *tag paths override both path and x|y
		2882	if ($path =~ /^\*(.*)$/) {
		2883	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2884	my $ob = $obs[rand @obs];
		2885
		2886	# see if we actually can go there
		2887	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2888	$ob = $obs[rand @obs];
		2889	} else {
		2890	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2891	}
		2892	# else put us there anyways for now #d#
		2893
		2894	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2895	} else {
		2896	($path, $x, $y) = (undef, undef, undef);
		2897	}
		2898	}
		2899
2361	my $map = eval {	2900	my $map = eval {
2362	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2363		2902
2364	if ($map) {	2903	if ($map) {
2365	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2366	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2367	} else {	2906	} else {
2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2369	}	2908	}
2370		2909
2371	$map	2910	$map
2372	};	2911	};
2373		2912
…		…
2379	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2380	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2381	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2382	}	2921	}
2383		2922
2384	$done->() if $done;	2923	$done->($self) if $done;
2385	})->prio (1);	2924	})->prio (1);
2386	}	2925	}
2387		2926
2388	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2389		2928
…		…
2409	}	2948	}
2410		2949
2411	sub prepare_random_map {	2950	sub prepare_random_map {
2412	my ($exit) = @_;	2951	my ($exit) = @_;
2413		2952
2414	my $guard = cf::lock_acquire "exit_prepare:$exit";
2415
2416	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
2417	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
2418	# that depends on the exit object	2955	# that depends on the exit object
2419		2956
2420	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
2422	if ($exit->map) {	2959	if ($exit->map) {
2423	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
2424	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
2425	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
2426	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
2427	}	2966	}
2428		2967
2429	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
2430		2969
2431	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2432	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
2433	my $meta = "$RANDOMDIR/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
2434		2973
2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2436	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
2437	undef $fh;	2976	undef $fh;
2438	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
2439		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
2440	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
2441	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
2442	}	2985	}
2443	}	2986	}
2444		2987
2445	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2446	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2447		2990
2448	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2449		2992
2450	if ($exit->slaying eq "/!") {
2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
2452	# the problem is that $exit might not survive long enough
2453	# so it needs to be done right now, right here
2454	cf::sync_job { prepare_random_map $exit };
2455	}
2456
2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2458	my $hp = $exit->stats->hp;
2459	my $sp = $exit->stats->sp;
2460
2461	$self->enter_link;	2993	$self->enter_link;
2462		2994
2463	# if exit is damned, update players death & WoR home-position
2464	$self->contr->savebed ($slaying, $hp, $sp)
2465	if $exit->flag (FLAG_DAMNED);
2466
2467	(async {	2995	(async {
2468	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
2469	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
2470	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2471		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
2472	1;	3034	1
2473	}) {	3035	}) {
2474	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2475	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2476	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2477	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2478		3040
2479	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2480	$self->leave_link;	3042	$self->leave_link;
2481	}	3043	}
2482	})->prio (1);	3044	})->prio (1);
2483	}	3045	}
2484		3046
…		…
2496	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
2497	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
2498		3060
2499	utf8::encode $text;	3061	utf8::encode $text;
2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3063	}
		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
2501	}	3088	}
2502		3089
2503	=item $client->send_msg ($channel, $msg, $color, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2504		3091
2505	Send a drawinfo or msg packet to the client, formatting the msg for the	3092	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2507	the message, with C<log> being the default. If C<$color> is negative, suppress	3094	the message, with C<log> being the default. If C<$color> is negative, suppress
2508	the message unless the client supports the msg packet.	3095	the message unless the client supports the msg packet.
2509		3096
2510	=cut	3097	=cut
2511		3098
		3099	# non-persistent channels (usually the info channel)
		3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
		3107	"c/identify" => {
		3108	id => "infobox",
		3109	title => "Identify",
		3110	reply => undef,
		3111	tooltip => "Items recently identified",
		3112	},
		3113	"c/examine" => {
		3114	id => "infobox",
		3115	title => "Examine",
		3116	reply => undef,
		3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
		3124	},
		3125	"c/book" => {
		3126	id => "infobox",
		3127	title => "Book",
		3128	reply => undef,
		3129	tooltip => "The contents of a note or book",
		3130	},
		3131	"c/lookat" => {
		3132	id => "infobox",
		3133	title => "Look",
		3134	reply => undef,
		3135	tooltip => "What you saw there",
		3136	},
		3137	"c/who" => {
		3138	id => "infobox",
		3139	title => "Players",
		3140	reply => undef,
		3141	tooltip => "Shows players who are currently online",
		3142	},
		3143	"c/body" => {
		3144	id => "infobox",
		3145	title => "Body Parts",
		3146	reply => undef,
		3147	tooltip => "Shows which body parts you posess and are available",
		3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
		3185	"c/uptime" => {
		3186	id => "infobox",
		3187	title => "Uptime",
		3188	reply => undef,
		3189	tooltip => "How long the server has been running since last restart",
		3190	},
		3191	"c/mapinfo" => {
		3192	id => "infobox",
		3193	title => "Map Info",
		3194	reply => undef,
		3195	tooltip => "Information related to the maps",
		3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
		3211	);
		3212
2512	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2513	my ($self, $channel, $msg, $color, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2514		3215
2515	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
2516		3218
2517	$color &= ~cf::NDI_UNIQUE; # just in case...	3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
2518		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
2519	if (ref $channel) {	3228	} elsif (ref $channel) {
2520	# send meta info to client, if not yet sent	3229	# send meta info to client, if not yet sent
2521	unless (exists $self->{channel}{$channel->{id}}) {	3230	unless (exists $self->{channel}{$channel->{id}}) {
2522	$self->{channel}{$channel->{id}} = $channel;	3231	$self->{channel}{$channel->{id}} = $channel;
2523	$self->ext_msg (channel_info => %$channel);	3232	$self->ext_msg (channel_info => $channel);
2524	}	3233	}
2525		3234
2526	$channel = $channel->{id};	3235	$channel = $channel->{id};
2527	}	3236	}
2528		3237
2529	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2530		3239
2531	if ($self->can_msg) {	3240	# default colour, mask it out
2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2533	} else {	3242	if $color & cf::NDI_DEF;
2534	# replace some tags by gcfclient-compatible ones
2535	for ($msg) {
2536	1 while
2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2542	}
2543		3243
2544	if ($color >= 0) {	3244	my $pkt = "msg "
2545	if (0 && $msg =~ /\[/) {	3245	. $self->{json_coder}->encode (
2546	$self->send_packet ("drawextinfo $color 4 0 $msg")	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2547	} else {	3247	);
2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;	3248
2549	$self->send_packet ("drawinfo $color $msg")	3249	$self->send_big_packet ($pkt);
2550	}
2551	}
2552	}
2553	}	3250	}
2554		3251
2555	=item $client->ext_msg ($type, @msg)	3252	=item $client->ext_msg ($type, @msg)
2556		3253
2557	Sends an ext event to the client.	3254	Sends an ext event to the client.
…		…
2559	=cut	3256	=cut
2560		3257
2561	sub cf::client::ext_msg($$@) {	3258	sub cf::client::ext_msg($$@) {
2562	my ($self, $type, @msg) = @_;	3259	my ($self, $type, @msg) = @_;
2563		3260
2564	my $extcmd = $self->extcmd;
2565
2566	if ($extcmd == 2) {
2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2568	} elsif ($extcmd == 1) { # TODO: remove
2569	push @msg, msgtype => "event_$type";
2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2571	}
2572	}	3262	}
2573		3263
2574	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2575		3265
2576	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
2631	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
2632		3322
2633	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2634		3324
2635	if (ref $msg) {	3325	if (ref $msg) {
2636	my ($type, $reply, @payload) =	3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
2637	"ARRAY" eq ref $msg
2638	? @$msg
2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2640		3327
2641	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
2642	my @reply = $cb->($ns, @payload);	3341	@reply = $cb->($ns, @payload);
		3342	}
2643		3343
2644	$ns->ext_reply ($reply, @reply)	3344	$ns->ext_msg ("reply-$reply", @reply)
2645	if $reply;	3345	if $reply;
2646	}	3346	}
2647	} else {	3347	} else {
2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2649	}	3349	}
2650		3350
2651	cf::override;	3351	cf::override;
2652	},	3352	},
2653	);	3353	);
…		…
2673		3373
2674	$coro	3374	$coro
2675	}	3375	}
2676		3376
2677	cf::client->attach (	3377	cf::client->attach (
2678	on_destroy => sub {	3378	on_client_destroy => sub {
2679	my ($ns) = @_;	3379	my ($ns) = @_;
2680		3380
2681	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2682	},	3382	},
2683	);	3383	);
…		…
2698	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2699	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2700		3400
2701	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2702		3402
2703	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3403	$safe->permit_only (Opcode::opset qw(
		3404	:base_core :base_mem :base_orig :base_math :base_loop
		3405	grepstart grepwhile mapstart mapwhile
		3406	sort time
		3407	));
2704		3408
2705	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2706		3410
2707	=pod	3411	=pod
2708		3412
2709	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2710		3414
2711	cf::object	3415	cf::object
2712	contr pay_amount pay_player map x y force_find force_add	3416	contr pay_amount pay_player map x y force_find force_add destroy
2713	insert remove	3417	insert remove name archname title slaying race decrease split
		3418	value
2714		3419
2715	cf::object::player	3420	cf::object::player
2716	player	3421	player
2717		3422
2718	cf::player	3423	cf::player
…		…
2723		3428
2724	=cut	3429	=cut
2725		3430
2726	for (	3431	for (
2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2728	insert remove)],	3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2729	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2730	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2731	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2732	) {	3438	) {
2733	no strict 'refs';
2734	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2735	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2736	for @funs;	3441	for @funs;
2737	}	3442	}
2738		3443
…		…
2753		3458
2754	my $qcode = $code;	3459	my $qcode = $code;
2755	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2756	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2757		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2758	local $_;	3466	local $_;
2759	local @safe::cf::_safe_eval_args = values %vars;
2760		3467
2761	my $eval =	3468	my $eval =
2762	"do {\n"	3469	"do {\n"
2763	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2764	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2765	. $code	3472	. $code
2766	. "\n}"	3473	. "\n}"
2767	;	3474	;
2768		3475
		3476	if ($CFG{safe_eval}) {
2769	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2770	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2771	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2772		3485
2773	if ($@) {	3486	if ($@) {
2774	warn "$@";	3487	warn "$@",
2775	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2776	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2777	}	3490	}
2778		3491
2779	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2780	}	3493	}
2781		3494
…		…
2795	=cut	3508	=cut
2796		3509
2797	sub register_script_function {	3510	sub register_script_function {
2798	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2799		3512
2800	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2801	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2802	}	3515	}
2803		3516
2804	=back	3517	=back
2805		3518
2806	=cut	3519	=cut
2807		3520
2808	#############################################################################	3521	#############################################################################
2809	# the server's init and main functions	3522	# the server's init and main functions
2810		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525
		3526	# internal api, not fianlised
		3527	sub add_face {
		3528	my ($name, $type, $data) = @_;
		3529
		3530	my $idx = cf::face::find $name;
		3531
		3532	if ($idx) {
		3533	delete $FACEHASH{cf::face::get_chksum $idx};
		3534	} else {
		3535	$idx = cf::face::alloc $name;
		3536	}
		3537
		3538	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3539
		3540	cf::face::set_type $idx, $type;
		3541	cf::face::set_data $idx, 0, $data, $hash;
		3542	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3543	$FACEHASH{$hash} = $idx;#d#
		3544
		3545	$idx
		3546	}
		3547
2811	sub load_facedata($) {	3548	sub load_facedata($) {
2812	my ($path) = @_;	3549	my ($path) = @_;
2813		3550
		3551	# HACK to clear player env face cache, we need some signal framework
		3552	# for this (global event?)
		3553	%ext::player_env::MUSIC_FACE_CACHE = ();
		3554
		3555	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3556
2814	warn "loading facedata from $path\n";	3557	trace "loading facedata from $path\n";
2815		3558
2816	my $facedata;	3559	my $facedata = decode_storable load_file $path;
2817	0 < aio_load $path, $facedata
2818	or die "$path: $!";
2819
2820	$facedata = Coro::Storable::thaw $facedata;
2821		3560
2822	$facedata->{version} == 2	3561	$facedata->{version} == 2
2823	or cf::cleanup "$path: version mismatch, cannot proceed.";	3562	or cf::cleanup "$path: version mismatch, cannot proceed.";
2824		3563
		3564	cf::cede_to_tick;
		3565
2825	{	3566	{
2826	my $faces = $facedata->{faceinfo};	3567	my $faces = $facedata->{faceinfo};
2827		3568
2828	while (my ($face, $info) = each %$faces) {	3569	for my $face (sort keys %$faces) {
		3570	my $info = $faces->{$face};
2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3571	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3572
2830	cf::face::set_visibility $idx, $info->{visibility};	3573	cf::face::set_visibility $idx, $info->{visibility};
2831	cf::face::set_magicmap $idx, $info->{magicmap};	3574	cf::face::set_magicmap $idx, $info->{magicmap};
2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3575	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3576	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3577	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3578	$FACEHASH{$info->{hash64}} = $idx;#d#
2834		3579
2835	cf::cede_to_tick;	3580	cf::cede_to_tick;
2836	}	3581	}
2837		3582
2838	while (my ($face, $info) = each %$faces) {	3583	while (my ($face, $info) = each %$faces) {
2839	next unless $info->{smooth};	3584	next unless $info->{smooth};
		3585
2840	my $idx = cf::face::find $face	3586	my $idx = cf::face::find $face
2841	or next;	3587	or next;
		3588
2842	if (my $smooth = cf::face::find $info->{smooth}) {	3589	if (my $smooth = cf::face::find $info->{smooth}) {
2843	cf::face::set_smooth $idx, $smooth;	3590	cf::face::set_smooth $idx, $smooth;
2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3591	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2845	} else {	3592	} else {
2846	warn "smooth face '$info->{smooth}' not found for face '$face'";	3593	error "smooth face '$info->{smooth}' not found for face '$face'";
2847	}	3594	}
2848		3595
2849	cf::cede_to_tick;	3596	cf::cede_to_tick;
2850	}	3597	}
2851	}	3598	}
…		…
2860		3607
2861	cf::anim::invalidate_all; # d'oh	3608	cf::anim::invalidate_all; # d'oh
2862	}	3609	}
2863		3610
2864	{	3611	{
2865	# TODO: for gcfclient pleasure, we should give resources
2866	# that gcfclient doesn't grok a >10000 face index.
2867	my $res = $facedata->{resource};	3612	my $res = $facedata->{resource};
2868	my $enc = JSON::XS->new->utf8->canonical;
2869		3613
2870	while (my ($name, $info) = each %$res) {	3614	while (my ($name, $info) = each %$res) {
2871	my $meta = $enc->encode ({	3615	if (defined (my $type = $info->{type})) {
2872	name => $name,	3616	# TODO: different hash - must free and use new index, or cache ixface data queue
2873	type => $info->{type},
2874	copyright => $info->{copyright}, #TODO#
2875	});
2876
2877	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3617	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2878		3618
2879	if ($name =~ /\.jpg$/) {	3619	cf::face::set_type $idx, $type;
2880	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3620	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2881	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3621	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3622	$FACEHASH{$info->{hash}} = $idx;#d#
2882	} else {	3623	} else {
2883	my $data = pack "(w/a*)*", $meta, $info->{data};	3624	# $RESOURCE{$name} = $info; # unused
2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2885
2886	cf::face::set_type $idx, 1;
2887	cf::face::set_data $idx, 0, $data, $chk;
2888	}	3625	}
2889		3626
2890	cf::cede_to_tick;	3627	cf::cede_to_tick;
2891	}	3628	}
2892	}	3629	}
2893		3630
		3631	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3632
2894	1	3633	1
2895	}	3634	}
2896		3635
		3636	register_exticmd fx_want => sub {
		3637	my ($ns, $want) = @_;
		3638
		3639	while (my ($k, $v) = each %$want) {
		3640	$ns->fx_want ($k, $v);
		3641	}
		3642	};
		3643
		3644	sub load_resource_file($) {
		3645	my $guard = lock_acquire "load_resource_file";
		3646
		3647	my $status = load_resource_file_ $_[0];
		3648	get_slot 0.1, 100;
		3649	cf::arch::commit_load;
		3650
		3651	$status
		3652	}
		3653
		3654	sub reload_exp_table {
		3655	_reload_exp_table;
		3656
		3657	add_face "res/exp_table" => FT_RSRC,
		3658	JSON::XS->new->utf8->canonical->encode (
		3659	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3660	);
		3661	}
		3662
		3663	sub reload_materials {
		3664	_reload_materials;
		3665	}
		3666
2897	sub reload_regions {	3667	sub reload_regions {
		3668	# HACK to clear player env face cache, we need some signal framework
		3669	# for this (global event?)
		3670	%ext::player_env::MUSIC_FACE_CACHE = ();
		3671
2898	load_resource_file "$MAPDIR/regions"	3672	load_resource_file "$MAPDIR/regions"
2899	or die "unable to load regions file\n";	3673	or die "unable to load regions file\n";
2900		3674
2901	for (cf::region::list) {	3675	for (cf::region::list) {
2902	$_->{match} = qr/$_->{match}/	3676	$_->{match} = qr/$_->{match}/
…		…
2910	}	3684	}
2911		3685
2912	sub reload_archetypes {	3686	sub reload_archetypes {
2913	load_resource_file "$DATADIR/archetypes"	3687	load_resource_file "$DATADIR/archetypes"
2914	or die "unable to load archetypes\n";	3688	or die "unable to load archetypes\n";
2915	#d# NEED to laod twice to resolve forward references	3689
2916	# this really needs to be done in an extra post-pass	3690	add_face "res/skill_info" => FT_RSRC,
2917	# (which needs to be synchronous, so solve it differently)	3691	JSON::XS->new->utf8->canonical->encode (
2918	load_resource_file "$DATADIR/archetypes"	3692	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
2919	or die "unable to load archetypes\n";	3693	);
		3694	add_face "res/spell_paths" => FT_RSRC,
		3695	JSON::XS->new->utf8->canonical->encode (
		3696	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3697	);
2920	}	3698	}
2921		3699
2922	sub reload_treasures {	3700	sub reload_treasures {
2923	load_resource_file "$DATADIR/treasures"	3701	load_resource_file "$DATADIR/treasures"
2924	or die "unable to load treasurelists\n";	3702	or die "unable to load treasurelists\n";
2925	}	3703	}
2926		3704
		3705	sub reload_sound {
		3706	trace "loading sound config from $DATADIR/sound\n";
		3707
		3708	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3709
		3710	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3711	my $sound = $soundconf->{compat}[$_]
		3712	or next;
		3713
		3714	my $face = cf::face::find "sound/$sound->[1]";
		3715	cf::sound::set $sound->[0] => $face;
		3716	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3717	}
		3718
		3719	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3720	my $face = cf::face::find "sound/$v";
		3721	cf::sound::set $k => $face;
		3722	}
		3723	}
		3724
		3725	#d# move docstuff to help or so
		3726	our %DOCSTRING;
		3727
		3728	sub reload_pod {
		3729	trace "loading pods $PODDIR\n";
		3730
		3731	%DOCSTRING = ();
		3732	my @command_list;
		3733
		3734	for (
		3735	[0, "command_help"],
		3736	[1, "emote_help"],
		3737	[2, "dmcommand_help"],
		3738	) {
		3739	my ($type, $path) = @$_;
		3740
		3741	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3742	or die "unable to load $path";
		3743
		3744	my $level = 1e9;
		3745	my $rpar;
		3746
		3747	for my $par (@$paragraphs) {
		3748	if ($par->{type} eq "head2") {
		3749	# this code taken almost verbatim from DC/Protocol.pm
		3750
		3751	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3752	my $cmd = $1;
		3753	my @args = split /\|/, $2;
		3754	@args = (".*") unless @args;
		3755
		3756	$_ = $_ eq ".*" ? "" : " $_"
		3757	for @args;
		3758
		3759	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3760
		3761	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3762
		3763	push @command_list, [$type, \@variants];
		3764	$level = $par->{level};
		3765	} else {
		3766	error "$par->{markup}: unparsable command heading";
		3767	}
		3768	} elsif ($par->{level} > $level) {
		3769	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3770	}
		3771
		3772	cf::cede_to_tick;
		3773	}
		3774	}
		3775
		3776	@command_list = sort {
		3777	$a->[0] <=> $b->[0]
		3778	or $a->[1] cmp $b->[1]
		3779	} @command_list;
		3780
		3781	cf::cede_to_tick;
		3782
		3783	add_face "res/command_list" => FT_RSRC,
		3784	JSON::XS->new->utf8->encode (\@command_list);
		3785	}
		3786
2927	sub reload_resources {	3787	sub reload_resources {
2928	warn "reloading resource files...\n";	3788	trace "reloading resource files...\n";
2929		3789
		3790	reload_materials;
		3791	reload_facedata;
		3792	reload_exp_table;
		3793	reload_sound;
		3794	reload_archetypes;
2930	reload_regions;	3795	reload_regions;
2931	reload_facedata;
2932	#reload_archetypes;#d#
2933	reload_archetypes;
2934	reload_treasures;	3796	reload_treasures;
		3797	reload_pod;
2935		3798
2936	warn "finished reloading resource files\n";	3799	trace "finished reloading resource files\n";
2937	}	3800	}
2938		3801
2939	sub init {	3802	sub reload_config {
2940	reload_resources;	3803	trace "reloading config file...\n";
2941	}
2942		3804
2943	sub cfg_load {	3805	my $config = load_file "$CONFDIR/config";
2944	open my $fh, "<:utf8", "$CONFDIR/config"	3806	utf8::decode $config;
2945	or return;	3807	*CFG = decode_yaml $config;
2946		3808
2947	local $/;
2948	*CFG = YAML::Syck::Load <$fh>;
2949
2950	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3809	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2951		3810
2952	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3811	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2953	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3812	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2954		3813
2955	if (exists $CFG{mlockall}) {	3814	if (exists $CFG{mlockall}) {
…		…
2959	};	3818	};
2960	warn $@ if $@;	3819	warn $@ if $@;
2961	}	3820	}
2962	}	3821	}
2963		3822
		3823	sub pidfile() {
		3824	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3825	or die "$PIDFILE: $!";
		3826	flock $fh, &Fcntl::LOCK_EX
		3827	or die "$PIDFILE: flock: $!";
		3828	$fh
		3829	}
		3830
		3831	# make sure only one server instance is running at any one time
		3832	sub atomic {
		3833	my $fh = pidfile;
		3834
		3835	my $pid = <$fh>;
		3836	kill 9, $pid if $pid > 0;
		3837
		3838	seek $fh, 0, 0;
		3839	print $fh $$;
		3840	}
		3841
		3842	sub main_loop {
		3843	trace "EV::loop starting\n";
		3844	if (1) {
		3845	EV::loop;
		3846	}
		3847	trace "EV::loop returned\n";
		3848	goto &main_loop unless $REALLY_UNLOOP;
		3849	}
		3850
2964	sub main {	3851	sub main {
		3852	cf::init_globals; # initialise logging
		3853
		3854	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3855	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3856	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3857	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3858
		3859	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3860
2965	# we must not ever block the main coroutine	3861	# we must not ever block the main coroutine
2966	local $Coro::idle = sub {	3862	$Coro::idle = sub {
2967	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3863	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2968	(async {	3864	(async {
2969	Event::one_event;	3865	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3866	EV::loop EV::LOOP_ONESHOT;
2970	})->prio (Coro::PRIO_MAX);	3867	})->prio (Coro::PRIO_MAX);
2971	};	3868	};
2972		3869
2973	cfg_load;	3870	evthread_start IO::AIO::poll_fileno;
		3871
		3872	cf::sync_job {
		3873	cf::incloader::init ();
		3874
2974	db_init;	3875	db_init;
		3876
		3877	cf::init_anim;
		3878	cf::init_attackmess;
		3879	cf::init_dynamic;
		3880
		3881	cf::load_settings;
		3882
		3883	reload_resources;
		3884	reload_config;
		3885
		3886	cf::init_uuid;
		3887	cf::init_signals;
		3888	cf::init_skills;
		3889
		3890	cf::init_beforeplay;
		3891
		3892	atomic;
		3893
2975	load_extensions;	3894	load_extensions;
2976		3895
2977	$TICK_WATCHER->start;	3896	utime time, time, $RUNTIMEFILE;
2978	Event::loop;	3897
		3898	# no (long-running) fork's whatsoever before this point(!)
		3899	use POSIX ();
		3900	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3901
		3902	cf::_post_init 0;
		3903	};
		3904
		3905	cf::object::thawer::errors_are_fatal 0;
		3906	info "parse errors in files are no longer fatal from this point on.\n";
		3907
		3908	AE::postpone {
		3909	undef &main; # free gobs of memory :)
		3910	};
		3911
		3912	goto &main_loop;
2979	}	3913	}
2980		3914
2981	#############################################################################	3915	#############################################################################
2982	# initialisation and cleanup	3916	# initialisation and cleanup
2983		3917
2984	# install some emergency cleanup handlers	3918	# install some emergency cleanup handlers
2985	BEGIN {	3919	BEGIN {
		3920	our %SIGWATCHER = ();
2986	for my $signal (qw(INT HUP TERM)) {	3921	for my $signal (qw(INT HUP TERM)) {
2987	Event->signal (	3922	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2988	reentrant => 0,
2989	data => WF_AUTOCANCEL,
2990	signal => $signal,
2991	prio => 0,
2992	cb => sub {
2993	cf::cleanup "SIG$signal";	3923	cf::cleanup "SIG$signal";
2994	},
2995	);	3924	};
2996	}	3925	}
2997	}	3926	}
2998		3927
2999	sub write_runtime {	3928	sub write_runtime_sync {
3000	my $runtime = "$LOCALDIR/runtime";	3929	my $t0 = AE::time;
3001		3930
3002	# first touch the runtime file to show we are still running:	3931	# first touch the runtime file to show we are still running:
3003	# the fsync below can take a very very long time.	3932	# the fsync below can take a very very long time.
3004		3933
3005	IO::AIO::aio_utime $runtime, undef, undef;	3934	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3006		3935
3007	my $guard = cf::lock_acquire "write_runtime";	3936	my $guard = cf::lock_acquire "write_runtime";
3008		3937
3009	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3938	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3010	or return;	3939	or return;
3011		3940
3012	my $value = $cf::RUNTIME + 90 + 10;	3941	my $value = $cf::RUNTIME + 90 + 10;
3013	# 10 is the runtime save interval, for a monotonic clock	3942	# 10 is the runtime save interval, for a monotonic clock
3014	# 60 allows for the watchdog to kill the server.	3943	# 60 allows for the watchdog to kill the server.
…		…
3024	aio_utime $fh, undef, undef;	3953	aio_utime $fh, undef, undef;
3025		3954
3026	close $fh	3955	close $fh
3027	or return;	3956	or return;
3028		3957
3029	aio_rename "$runtime~", $runtime	3958	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3030	and return;	3959	and return;
3031		3960
3032	warn "runtime file written.\n";	3961	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3033		3962
3034	1	3963	1
		3964	}
		3965
		3966	our $uuid_lock;
		3967	our $uuid_skip;
		3968
		3969	sub write_uuid_sync($) {
		3970	$uuid_skip ||= $_[0];
		3971
		3972	return if $uuid_lock;
		3973	local $uuid_lock = 1;
		3974
		3975	my $uuid = "$LOCALDIR/uuid";
		3976
		3977	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3978	or return;
		3979
		3980	my $value = uuid_seq uuid_cur;
		3981
		3982	unless ($value) {
		3983	info "cowardly refusing to write zero uuid value!\n";
		3984	return;
		3985	}
		3986
		3987	my $value = uuid_str $value + $uuid_skip;
		3988	$uuid_skip = 0;
		3989
		3990	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3991	and return;
		3992
		3993	# always fsync - this file is important
		3994	aio_fsync $fh
		3995	and return;
		3996
		3997	close $fh
		3998	or return;
		3999
		4000	aio_rename "$uuid~", $uuid
		4001	and return;
		4002
		4003	trace "uuid file written ($value).\n";
		4004
		4005	1
		4006
		4007	}
		4008
		4009	sub write_uuid($$) {
		4010	my ($skip, $sync) = @_;
		4011
		4012	$sync ? write_uuid_sync $skip
		4013	: async { write_uuid_sync $skip };
3035	}	4014	}
3036		4015
3037	sub emergency_save() {	4016	sub emergency_save() {
3038	my $freeze_guard = cf::freeze_mainloop;	4017	my $freeze_guard = cf::freeze_mainloop;
3039		4018
3040	warn "enter emergency perl save\n";	4019	info "emergency_perl_save: enter\n";
		4020
		4021	# this is a trade-off: we want to be very quick here, so
		4022	# save all maps without fsync, and later call a global sync
		4023	# (which in turn might be very very slow)
		4024	local $USE_FSYNC = 0;
3041		4025
3042	cf::sync_job {	4026	cf::sync_job {
		4027	cf::write_runtime_sync; # external watchdog should not bark
		4028
3043	# use a peculiar iteration method to avoid tripping on perl	4029	# use a peculiar iteration method to avoid tripping on perl
3044	# refcount bugs in for. also avoids problems with players	4030	# refcount bugs in for. also avoids problems with players
3045	# and maps saved/destroyed asynchronously.	4031	# and maps saved/destroyed asynchronously.
3046	warn "begin emergency player save\n";	4032	info "emergency_perl_save: begin player save\n";
3047	for my $login (keys %cf::PLAYER) {	4033	for my $login (keys %cf::PLAYER) {
3048	my $pl = $cf::PLAYER{$login} or next;	4034	my $pl = $cf::PLAYER{$login} or next;
3049	$pl->valid or next;	4035	$pl->valid or next;
		4036	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3050	$pl->save;	4037	$pl->save;
3051	}	4038	}
3052	warn "end emergency player save\n";	4039	info "emergency_perl_save: end player save\n";
3053		4040
3054	warn "begin emergency map save\n";	4041	cf::write_runtime_sync; # external watchdog should not bark
		4042
		4043	info "emergency_perl_save: begin map save\n";
3055	for my $path (keys %cf::MAP) {	4044	for my $path (keys %cf::MAP) {
3056	my $map = $cf::MAP{$path} or next;	4045	my $map = $cf::MAP{$path} or next;
3057	$map->valid or next;	4046	$map->valid or next;
3058	$map->save;	4047	$map->save;
3059	}	4048	}
3060	warn "end emergency map save\n";	4049	info "emergency_perl_save: end map save\n";
3061		4050
3062	warn "begin emergency database checkpoint\n";	4051	cf::write_runtime_sync; # external watchdog should not bark
		4052
		4053	info "emergency_perl_save: begin database checkpoint\n";
3063	BDB::db_env_txn_checkpoint $DB_ENV;	4054	BDB::db_env_txn_checkpoint $DB_ENV;
3064	warn "end emergency database checkpoint\n";	4055	info "emergency_perl_save: end database checkpoint\n";
		4056
		4057	info "emergency_perl_save: begin write uuid\n";
		4058	write_uuid_sync 1;
		4059	info "emergency_perl_save: end write uuid\n";
		4060
		4061	cf::write_runtime_sync; # external watchdog should not bark
		4062
		4063	trace "emergency_perl_save: syncing database to disk";
		4064	BDB::db_env_txn_checkpoint $DB_ENV;
		4065
		4066	info "emergency_perl_save: starting sync\n";
		4067	IO::AIO::aio_sync sub {
		4068	info "emergency_perl_save: finished sync\n";
		4069	};
		4070
		4071	cf::write_runtime_sync; # external watchdog should not bark
		4072
		4073	trace "emergency_perl_save: flushing outstanding aio requests";
		4074	while (IO::AIO::nreqs || BDB::nreqs) {
		4075	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4076	}
		4077
		4078	cf::write_runtime_sync; # external watchdog should not bark
3065	};	4079	};
3066		4080
3067	warn "leave emergency perl save\n";	4081	info "emergency_perl_save: leave\n";
3068	}	4082	}
3069		4083
3070	sub post_cleanup {	4084	sub post_cleanup {
3071	my ($make_core) = @_;	4085	my ($make_core) = @_;
3072		4086
		4087	IO::AIO::flush;
		4088
3073	warn Carp::longmess "post_cleanup backtrace"	4089	error Carp::longmess "post_cleanup backtrace"
3074	if $make_core;	4090	if $make_core;
		4091
		4092	my $fh = pidfile;
		4093	unlink $PIDFILE if <$fh> == $$;
		4094	}
		4095
		4096	# a safer delete_package, copied from Symbol
		4097	sub clear_package($) {
		4098	my $pkg = shift;
		4099
		4100	# expand to full symbol table name if needed
		4101	unless ($pkg =~ /^main::.*::$/) {
		4102	$pkg = "main$pkg" if $pkg =~ /^::/;
		4103	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4104	$pkg .= '::' unless $pkg =~ /::$/;
		4105	}
		4106
		4107	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4108	my $stem_symtab = *{$stem}{HASH};
		4109
		4110	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4111	or return;
		4112
		4113	# clear all symbols
		4114	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4115	for my $name (keys %$leaf_symtab) {
		4116	_gv_clear *{"$pkg$name"};
		4117	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4118	}
3075	}	4119	}
3076		4120
3077	sub do_reload_perl() {	4121	sub do_reload_perl() {
3078	# can/must only be called in main	4122	# can/must only be called in main
3079	if ($Coro::current != $Coro::main) {	4123	unless (in_main) {
3080	warn "can only reload from main coroutine";	4124	error "can only reload from main coroutine";
3081	return;	4125	return;
3082	}	4126	}
3083		4127
3084	warn "reloading...";	4128	return if $RELOAD++;
3085		4129
3086	warn "entering sync_job";	4130	my $t1 = AE::time;
3087		4131
		4132	while ($RELOAD) {
		4133	cf::get_slot 0.1, -1, "reload_perl";
		4134	info "perl_reload: reloading...";
		4135
		4136	trace "perl_reload: entering sync_job";
		4137
3088	cf::sync_job {	4138	cf::sync_job {
3089	cf::write_runtime; # external watchdog should not bark
3090	cf::emergency_save;	4139	#cf::emergency_save;
3091	cf::write_runtime; # external watchdog should not bark
3092		4140
3093	warn "syncing database to disk";
3094	BDB::db_env_txn_checkpoint $DB_ENV;
3095
3096	# if anything goes wrong in here, we should simply crash as we already saved
3097
3098	warn "cancelling all WF_AUTOCANCEL watchers";
3099	for (Event::all_watchers) {
3100	$_->cancel if $_->data & WF_AUTOCANCEL;
3101	}
3102
3103	warn "flushing outstanding aio requests";
3104	for (;;) {
3105	BDB::flush;
3106	IO::AIO::flush;
3107	Coro::cede;
3108	last unless IO::AIO::nreqs || BDB::nreqs;
3109	warn "iterate...";
3110	}
3111
3112	++$RELOAD;
3113
3114	warn "cancelling all extension coros";	4141	trace "perl_reload: cancelling all extension coros";
3115	$_->cancel for values %EXT_CORO;	4142	$_->cancel for values %EXT_CORO;
3116	%EXT_CORO = ();	4143	%EXT_CORO = ();
3117		4144
3118	warn "removing commands";	4145	trace "perl_reload: removing commands";
3119	%COMMAND = ();	4146	%COMMAND = ();
3120		4147
3121	warn "removing ext/exti commands";	4148	trace "perl_reload: removing ext/exti commands";
3122	%EXTCMD = ();	4149	%EXTCMD = ();
3123	%EXTICMD = ();	4150	%EXTICMD = ();
3124		4151
3125	warn "unloading/nuking all extensions";	4152	trace "perl_reload: unloading/nuking all extensions";
3126	for my $pkg (@EXTS) {	4153	for my $pkg (@EXTS) {
3127	warn "... unloading $pkg";	4154	trace "... unloading $pkg";
3128		4155
3129	if (my $cb = $pkg->can ("unload")) {	4156	if (my $cb = $pkg->can ("unload")) {
3130	eval {	4157	eval {
3131	$cb->($pkg);	4158	$cb->($pkg);
3132	1	4159	1
3133	} or warn "$pkg unloaded, but with errors: $@";	4160	} or error "$pkg unloaded, but with errors: $@";
		4161	}
		4162
		4163	trace "... clearing $pkg";
		4164	clear_package $pkg;
3134	}	4165	}
3135		4166
3136	warn "... nuking $pkg";
3137	Symbol::delete_package $pkg;
3138	}
3139
3140	warn "unloading all perl modules loaded from $LIBDIR";	4167	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3141	while (my ($k, $v) = each %INC) {	4168	while (my ($k, $v) = each %INC) {
3142	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4169	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3143		4170
3144	warn "... unloading $k";	4171	trace "... unloading $k";
3145	delete $INC{$k};	4172	delete $INC{$k};
3146		4173
3147	$k =~ s/\.pm$//;	4174	$k =~ s/\.pm$//;
3148	$k =~ s/\//::/g;	4175	$k =~ s/\//::/g;
3149		4176
3150	if (my $cb = $k->can ("unload_module")) {	4177	if (my $cb = $k->can ("unload_module")) {
3151	$cb->();	4178	$cb->();
		4179	}
		4180
		4181	clear_package $k;
3152	}	4182	}
3153		4183
3154	Symbol::delete_package $k;
3155	}
3156
3157	warn "getting rid of safe::, as good as possible";	4184	trace "perl_reload: getting rid of safe::, as good as possible";
3158	Symbol::delete_package "safe::$_"	4185	clear_package "safe::$_"
3159	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4186	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3160		4187
3161	warn "unloading cf.pm \"a bit\"";	4188	trace "perl_reload: unloading cf.pm \"a bit\"";
3162	delete $INC{"cf.pm"};	4189	delete $INC{"cf.pm"};
3163	delete $INC{"cf/pod.pm"};	4190	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3164		4191
3165	# don't, removes xs symbols, too,	4192	# don't, removes xs symbols, too,
3166	# and global variables created in xs	4193	# and global variables created in xs
3167	#Symbol::delete_package __PACKAGE__;	4194	#clear_package __PACKAGE__;
3168		4195
3169	warn "unload completed, starting to reload now";	4196	info "perl_reload: unload completed, starting to reload now";
3170		4197
3171	warn "reloading cf.pm";	4198	trace "perl_reload: reloading cf.pm";
3172	require cf;	4199	require cf;
3173	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4200	cf::_connect_to_perl_1;
3174		4201
3175	warn "loading config and database again";	4202	trace "perl_reload: loading config and database again";
3176	cf::cfg_load;	4203	cf::reload_config;
3177		4204
3178	warn "loading extensions";	4205	trace "perl_reload: loading extensions";
3179	cf::load_extensions;	4206	cf::load_extensions;
3180		4207
		4208	if ($REATTACH_ON_RELOAD) {
3181	warn "reattaching attachments to objects/players";	4209	trace "perl_reload: reattaching attachments to objects/players";
3182	_global_reattach; # objects, sockets	4210	_global_reattach; # objects, sockets
3183	warn "reattaching attachments to maps";	4211	trace "perl_reload: reattaching attachments to maps";
3184	reattach $_ for values %MAP;	4212	reattach $_ for values %MAP;
3185	warn "reattaching attachments to players";	4213	trace "perl_reload: reattaching attachments to players";
3186	reattach $_ for values %PLAYER;	4214	reattach $_ for values %PLAYER;
		4215	}
3187		4216
3188	warn "leaving sync_job";	4217	cf::_post_init 1;
3189		4218
		4219	trace "perl_reload: leaving sync_job";
		4220
3190	1	4221	1
3191	} or do {	4222	} or do {
3192	warn $@;	4223	error $@;
3193	warn "error while reloading, exiting.";	4224	cf::cleanup "perl_reload: error, exiting.";
3194	exit 1;	4225	};
		4226
		4227	--$RELOAD;
3195	};	4228	}
3196		4229
3197	warn "reloaded";	4230	$t1 = AE::time - $t1;
		4231	info "perl_reload: completed in ${t1}s\n";
3198	};	4232	};
3199		4233
3200	our $RELOAD_WATCHER; # used only during reload	4234	our $RELOAD_WATCHER; # used only during reload
3201		4235
3202	sub reload_perl() {	4236	sub reload_perl() {
3203	# doing reload synchronously and two reloads happen back-to-back,	4237	# doing reload synchronously and two reloads happen back-to-back,
3204	# coro crashes during coro_state_free->destroy here.	4238	# coro crashes during coro_state_free->destroy here.
3205		4239
3206	$RELOAD_WATCHER ||= Event->timer (	4240	$RELOAD_WATCHER ||= cf::async {
3207	reentrant => 0,	4241	Coro::AIO::aio_wait cache_extensions;
3208	after => 0,	4242
3209	data => WF_AUTOCANCEL,	4243	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3210	cb => sub {
3211	do_reload_perl;	4244	do_reload_perl;
3212	undef $RELOAD_WATCHER;	4245	undef $RELOAD_WATCHER;
3213	},	4246	};
3214	);	4247	};
3215	}	4248	}
3216		4249
3217	register_command "reload" => sub {	4250	register_command "reload" => sub {
3218	my ($who, $arg) = @_;	4251	my ($who, $arg) = @_;
3219		4252
3220	if ($who->flag (FLAG_WIZ)) {	4253	if ($who->flag (FLAG_WIZ)) {
3221	$who->message ("reloading server.");	4254	$who->message ("reloading server.");
		4255	async {
		4256	$Coro::current->{desc} = "perl_reload";
3222	async { reload_perl };	4257	reload_perl;
		4258	};
3223	}	4259	}
3224	};	4260	};
3225		4261
3226	unshift @INC, $LIBDIR;	4262	#############################################################################
3227		4263
3228	my $bug_warning = 0;	4264	my $bug_warning = 0;
3229		4265
3230	our @WAIT_FOR_TICK;
3231	our @WAIT_FOR_TICK_BEGIN;
3232
3233	sub wait_for_tick {	4266	sub wait_for_tick() {
3234	return unless $TICK_WATCHER->is_active;	4267	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3235	return if $Coro::current == $Coro::main;
3236		4268
3237	my $signal = new Coro::Signal;	4269	$WAIT_FOR_TICK->wait;
3238	push @WAIT_FOR_TICK, $signal;
3239	$signal->wait;
3240	}	4270	}
3241		4271
3242	sub wait_for_tick_begin {	4272	sub wait_for_tick_begin() {
3243	return unless $TICK_WATCHER->is_active;	4273	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3244	return if $Coro::current == $Coro::main;
3245		4274
3246	my $signal = new Coro::Signal;	4275	my $signal = new Coro::Signal;
3247	push @WAIT_FOR_TICK_BEGIN, $signal;	4276	push @WAIT_FOR_TICK_BEGIN, $signal;
3248	$signal->wait;	4277	$signal->wait;
3249	}	4278	}
3250		4279
3251	my $min = 1e6;#d#	4280	sub tick {
3252	my $avg = 10;
3253	$TICK_WATCHER = Event->timer (
3254	reentrant => 0,
3255	parked => 1,
3256	prio => 0,
3257	at => $NEXT_TICK || $TICK,
3258	data => WF_AUTOCANCEL,
3259	cb => sub {
3260	if ($Coro::current != $Coro::main) {	4281	if ($Coro::current != $Coro::main) {
3261	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4282	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3262	unless ++$bug_warning > 10;	4283	unless ++$bug_warning > 10;
3263	return;	4284	return;
3264	}	4285	}
3265		4286
3266	$NOW = $tick_start = Event::time;	4287	cf::one_tick; # one server iteration
3267		4288
3268	cf::server_tick; # one server iteration	4289	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3269		4290
3270	0 && sync_job {#d#	4291	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3271	for(1..10) {	4292	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3272	my $t = Event::time;	4293	Coro::async_pool {
3273	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4294	$Coro::current->{desc} = "runtime saver";
3274	or die;	4295	write_runtime_sync
3275		4296	or error "ERROR: unable to write runtime file: $!";
3276	$map->width (50);
3277	$map->height (50);
3278	$map->alloc;
3279	$map->_load_objects ("/tmp/x.map", 1);
3280	my $t = Event::time - $t;
3281
3282	#next unless $t < 0.0013;#d#
3283	if ($t < $min) {
3284	$min = $t;
3285	}
3286	$avg = $avg * 0.99 + $t * 0.01;
3287	}
3288	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3289	exit 0;
3290	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3291	};	4297	};
		4298	}
3292		4299
3293	$RUNTIME += $TICK;
3294	$NEXT_TICK += $TICK;
3295
3296	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3297	$NEXT_RUNTIME_WRITE = $NOW + 10;
3298	Coro::async_pool {
3299	write_runtime
3300	or warn "ERROR: unable to write runtime file: $!";
3301	};
3302	}
3303
3304	# my $AFTER = Event::time;
3305	# warn $AFTER - $NOW;#d#
3306
3307	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4300	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3308	$sig->send;	4301	$sig->send;
3309	}	4302	}
3310	while (my $sig = shift @WAIT_FOR_TICK) {	4303	$WAIT_FOR_TICK->broadcast;
3311	$sig->send;
3312	}
3313		4304
3314	$NOW = Event::time;	4305	$LOAD = ($NOW - $TICK_START) / $TICK;
3315
3316	# if we are delayed by four ticks or more, skip them all
3317	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3318
3319	$TICK_WATCHER->at ($NEXT_TICK);
3320	$TICK_WATCHER->start;
3321
3322	$LOAD = ($NOW - $tick_start) / $TICK;
3323	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4306	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3324		4307
3325	_post_tick;	4308	if (0) {
3326		4309	if ($NEXT_TICK) {
3327		4310	my $jitter = $TICK_START - $NEXT_TICK;
		4311	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4312	debug "jitter $JITTER\n";#d#
		4313	}
3328	},	4314	}
3329	);	4315	}
3330		4316
3331	{	4317	{
3332	BDB::max_poll_time $TICK * 0.1;	4318	# configure BDB
3333	$BDB_POLL_WATCHER = Event->io (	4319	info "initialising database";
3334	reentrant => 0,	4320
3335	fd => BDB::poll_fileno,
3336	poll => 'r',
3337	prio => 0,
3338	data => WF_AUTOCANCEL,
3339	cb => \&BDB::poll_cb,
3340	);
3341	BDB::min_parallel 8;	4321	BDB::min_parallel 16;
3342		4322	BDB::max_poll_reqs $TICK * 0.1;
3343	BDB::set_sync_prepare {	4323	#$AnyEvent::BDB::WATCHER->priority (1);
3344	my $status;
3345	my $current = $Coro::current;
3346	(
3347	sub {
3348	$status = $!;
3349	$current->ready; undef $current;
3350	},
3351	sub {
3352	Coro::schedule while defined $current;
3353	$! = $status;
3354	},
3355	)
3356	};
3357		4324
3358	unless ($DB_ENV) {	4325	unless ($DB_ENV) {
3359	$DB_ENV = BDB::db_env_create;	4326	$DB_ENV = BDB::db_env_create;
		4327	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4328	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4329	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4330	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4331	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3360		4332
3361	cf::sync_job {	4333	cf::sync_job {
3362	eval {	4334	eval {
3363	BDB::db_env_open	4335	BDB::db_env_open
3364	$DB_ENV,	4336	$DB_ENV,
…		…
3366	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4338	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3367	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4339	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3368	0666;	4340	0666;
3369		4341
3370	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4342	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3371
3372	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3373	$DB_ENV->set_lk_detect;
3374	};	4343	};
3375		4344
3376	cf::cleanup "db_env_open(db): $@" if $@;	4345	cf::cleanup "db_env_open(db): $@" if $@;
3377	};	4346	};
3378	}	4347	}
		4348
		4349	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4350	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4351	};
		4352	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4353	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4354	};
		4355	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4356	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4357	};
		4358
		4359	info "database initialised";
3379	}	4360	}
3380		4361
3381	{	4362	{
		4363	# configure IO::AIO
		4364
		4365	info "initialising aio";
3382	IO::AIO::min_parallel 8;	4366	IO::AIO::min_parallel 8;
3383
3384	undef $Coro::AIO::WATCHER;
3385	IO::AIO::max_poll_time $TICK * 0.1;	4367	IO::AIO::max_poll_time $TICK * 0.1;
3386	$AIO_POLL_WATCHER = Event->io (	4368	undef $AnyEvent::AIO::WATCHER;
3387	reentrant => 0,	4369	info "aio initialised";
3388	data => WF_AUTOCANCEL,
3389	fd => IO::AIO::poll_fileno,
3390	poll => 'r',
3391	prio => 6,
3392	cb => \&IO::AIO::poll_cb,
3393	);
3394	}	4370	}
3395		4371
3396	my $_log_backtrace;	4372	our $_log_backtrace;
		4373	our $_log_backtrace_last;
3397		4374
3398	sub _log_backtrace {	4375	sub _log_backtrace {
3399	my ($msg, @addr) = @_;	4376	my ($msg, @addr) = @_;
3400		4377
3401	$msg =~ s/\n//;	4378	$msg =~ s/\n$//;
3402		4379
		4380	if ($_log_backtrace_last eq $msg) {
		4381	LOG llevInfo, "[ABT] $msg\n";
		4382	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3403	# limit the # of concurrent backtraces	4383	# limit the # of concurrent backtraces
3404	if ($_log_backtrace < 2) {	4384	} elsif ($_log_backtrace < 2) {
		4385	$_log_backtrace_last = $msg;
3405	++$_log_backtrace;	4386	++$_log_backtrace;
		4387	my $perl_bt = Carp::longmess $msg;
3406	async {	4388	async {
		4389	$Coro::current->{desc} = "abt $msg";
		4390
3407	my @bt = fork_call {	4391	my @bt = fork_call {
3408	@addr = map { sprintf "%x", $_ } @addr;	4392	@addr = map { sprintf "%x", $_ } @addr;
3409	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4393	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3410	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4394	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3411	or die "addr2line: $!";	4395	or die "addr2line: $!";
…		…
3419	}	4403	}
3420		4404
3421	@funcs	4405	@funcs
3422	};	4406	};
3423		4407
3424	LOG llevInfo, "[ABT] $msg\n";	4408	LOG llevInfo, "[ABT] $perl_bt\n";
		4409	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3425	LOG llevInfo, "[ABT] $_\n" for @bt;	4410	LOG llevInfo, "[ABT] $_\n" for @bt;
3426	--$_log_backtrace;	4411	--$_log_backtrace;
3427	};	4412	};
3428	} else {	4413	} else {
3429	LOG llevInfo, "[ABT] $msg\n";	4414	LOG llevInfo, "[ABT] $msg\n";
3430	LOG llevInfo, "[ABT] [suppressed]\n";	4415	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3431	}	4416	}
3432	}	4417	}
3433		4418
3434	# load additional modules	4419	# load additional modules
3435	use cf::pod;	4420	require "cf/$_.pm" for @EXTRA_MODULES;
		4421	cf::_connect_to_perl_2;
3436		4422
3437	END { cf::emergency_save }	4423	END { cf::emergency_save }
3438		4424
3439	1	4425	1
3440		4426

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