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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.298 by root, Sun Jul 8 14:50:07 2007 UTC vs.
Revision 1.591 by root, Tue Nov 6 23:33:15 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;	63	use Time::HiRes;
33	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
34		68
35	# configure various modules to our taste	69	# configure various modules to our taste
36	#	70	#
37	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		79
41	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
42		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		82
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
49		86
50	our %COMMAND = ();	87	our %COMMAND = ();
51	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
52		89
53	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	91	our %EXTCMD = ();
55	our %EXTICMD = ();	92	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
58		95
59	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
61		100
62	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
63	our $DATADIR = datadir;	103	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
67	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
		114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
73		124
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	127	our $NEXT_TICK;
		128	our $USE_FSYNC = 1; # use fsync to write maps - default on
		129
		130	our $BDB_DEADLOCK_WATCHER;
		131	our $BDB_CHECKPOINT_WATCHER;
		132	our $BDB_TRICKLE_WATCHER;
		133	our $DB_ENV;
		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
		137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		139
		140	our $UPTIME; $UPTIME ||= time;
		141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
79	our $NOW;	143	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		144
82	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
83	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
84
85	our %CFG;
86
87	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;
89
90	our %PLAYER; # all users
91	our %MAP; # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
93		148
94	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		151
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
100		164
101	binmode STDOUT;	165	binmode STDOUT;
102	binmode STDERR;	166	binmode STDERR;
103		167
104	# read virtual server time, if available	168	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
109	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
110		176
111	mkdir $_	177	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		179
114	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
115		181
116	sub cf::map::normalise;	182	sub cf::map::normalise;
117		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
118	#############################################################################	188	#############################################################################
119		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
120	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
121		202
122	=over 4	203	=over 4
123		204
124	=item $cf::UPTIME	205	=item $cf::UPTIME
125		206
126	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
127		223
128	=item $cf::RUNTIME	224	=item $cf::RUNTIME
129		225
130	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
131	every server tick.	227	every server tick.
132		228
133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
136		232
137	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
139	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
140	database environment.	236	database environment.
141		237
142	=item $cf::NOW
143
144	The time of the last (current) server tick.
145
146	=item $cf::TICK
147
148	The interval between server ticks, in seconds.
149
150	=item $cf::LOADAVG	238	=item $cf::LOADAVG
151		239
152	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
153	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
154	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
157		245
158	The raw value load value from the last tick.	246	The raw value load value from the last tick.
159		247
160	=item %cf::CFG	248	=item %cf::CFG
161		249
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	251	from wherever your confdir points to.
164		252
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		254
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
		276	=item @cf::INVOKE_RESULTS
		277
		278	This array contains the results of the last C<invoke ()> call. When
		279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		280	that call.
		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
171	=back	288	=back
172		289
173	=cut	290	=cut
174		291
175	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	299	my $msg = join "", @_;
178		300
179	$msg .= "\n"	301	$msg .= "\n"
180	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
181		303
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		305
184	utf8::encode $msg;
185	LOG llevError, $msg;	306	LOG llevWarn, $msg;
186	};	307	};
187	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
188		322
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	333	for my $pkg (qw(
200	cf::global cf::attachable	334	cf::global cf::attachable
201	cf::object cf::object::player	335	cf::object cf::object::player
202	cf::client cf::player	336	cf::client cf::player
203	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
204	cf::map cf::party cf::region	339	cf::party cf::region
205	)) {	340	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	342	}
209		343
210	$Event::DIED = sub {	344	$EV::DIED = sub {
211	warn "error in event callback: @_";	345	warn "error in event callback: $@";
212	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
213		352
214	#############################################################################	353	#############################################################################
215		354
216	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
217		356
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	378	$d
240	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
241	}	380	}
242		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
243	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
244		435
245	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
246		437
247	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
248		439
249	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
250		441
251	=cut	442	=cut
252		443
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		445
255	sub to_json ($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
257		510
258	=item cf::lock_wait $string	511	=item cf::lock_wait $string
259		512
260	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
261		514
262	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
263		516
264	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
267	returned.	520	returned.
268		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
269	Lock names should begin with a unique identifier (for example, cf::map::find	525	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
271		527
272	=item $locked = cf::lock_active $string	528	=item $locked = cf::lock_active $string
273		529
274	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
275		531
276	=cut	532	=cut
277		533
278	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
279		535
280	sub lock_wait($) {	536	sub lock_wait($) {
281	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	538	}
289		539
290	sub lock_acquire($) {	540	sub lock_acquire($) {
291	my ($key) = @_;	541	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	542	}
303		543
304	sub lock_active($) {	544	sub lock_active($) {
305	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	546	}
309		547
310	sub freeze_mainloop {	548	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
312		550
313	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	552	}
		553
		554	=item cf::periodic $interval, $cb
		555
		556	Like EV::periodic, but randomly selects a starting point so that the actions
		557	get spread over time.
		558
		559	=cut
		560
		561	sub periodic($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
315	};	621	}
316	$TICK_WATCHER->stop;	622	};
317	$guard	623
		624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
		627	my ($time, $pri, $name) = @_;
		628
		629	$time = clamp $time, 0.01, $TICK * .6;
		630
		631	my $sig = new Coro::Signal;
		632
		633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		635	$SLOT_QUEUE->ready;
		636	$sig->wait;
318	}	637	}
319		638
320	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
321		640
322	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		646
328	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
329		648
330	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
331		650
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	651	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	652	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	654	acceptable.
336		655
337	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	661	=cut
343		662
344	sub sync_job(&) {	663	sub sync_job(&) {
345	my ($job) = @_;	664	my ($job) = @_;
346		665
347	if ($Coro::current == $Coro::main) {	666	if (in_main) {
348	my $time = Event::time;	667	my $time = AE::time;
349		668
350	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
352		671
353	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	673
355	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
356		675
357	my $busy = 1;	676	my $busy = 1;
358	my @res;	677	my @res;
359		678
360	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	681	@res = eval { $job->() };
362	warn $@ if $@;	682	error $@ if $@;
363	undef $busy;	683	undef $busy;
364	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
365		685
366	while ($busy) {	686	while ($busy) {
367	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
368	}	691	}
		692	}
369		693
370	$time = Event::time - $time;	694	my $time = AE::time - $time;
371		695
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
376		697
377	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
378	} else {	699	} else {
379	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
380		701
…		…
400	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
401		722
402	$coro	723	$coro
403	}	724	}
404		725
405	=item fork_call { }, $args	726	=item fork_call { }, @args
406		727
407	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	731	never block itself or use any form of event handling.
411		732
412	=cut	733	=cut
		734
		735	sub post_fork {
		736	reset_signals;
		737	}
413		738
414	sub fork_call(&@) {	739	sub fork_call(&@) {
415	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
416		741
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	742	# we seemingly have to make a local copy of the whole thing,
418	# or die "socketpair: $!";	743	# otherwise perl prematurely frees the stuff :/
419	pipe my $fh1, my $fh2	744	# TODO: investigate and fix (likely this will be rather laborious)
420	or die "pipe: $!";
421		745
422	if (my $pid = fork) {	746	my @res = Coro::Util::fork_eval {
423	close $fh2;	747	cf::post_fork;
		748	&$cb
		749	} @args;
424		750
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	751	wantarray ? @res : $res[-1]
426	warn "pst<$res>" unless $res =~ /^pst/;	752	}
427	$res = Coro::Storable::thaw $res;
428		753
429	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	754	sub objinfo {
430
431	Carp::confess $$res unless "ARRAY" eq ref $res;
432
433	return wantarray ? @$res : $res->[-1];
434	} else {
435	reset_signals;
436	local $SIG{__WARN__};
437	local $SIG{__DIE__};
438	local $Coro::idle;
439	$Coro::current->prio (Coro::PRIO_MAX);
440	eval {
441	close $fh1;
442
443	my @res = eval { $cb->(@args) };
444
445	open my $fh, ">", \my $buf
446	or die "fork_call: cannot open fh-to-buf in child : $!";
447	Storable::store_fd +($@ ? \"$@" : \@res), $fh;
448	close $fh;
449
450	warn "writing ", length $buf;
451	my $x;
452	(length $buf) == ($x = syswrite $fh2, $buf)
453	or warn "error writing ".(length $buf)." != $x\n";
454	close $fh2;
455	};
456
457	warn $@ if $@;
458	_exit 0;
459	}	755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
		763	}
		764
		765	=item $coin = coin_from_name $name
		766
		767	=cut
		768
		769	our %coin_alias = (
		770	"silver" => "silvercoin",
		771	"silvercoin" => "silvercoin",
		772	"silvercoins" => "silvercoin",
		773	"gold" => "goldcoin",
		774	"goldcoin" => "goldcoin",
		775	"goldcoins" => "goldcoin",
		776	"platinum" => "platinacoin",
		777	"platinumcoin" => "platinacoin",
		778	"platinumcoins" => "platinacoin",
		779	"platina" => "platinacoin",
		780	"platinacoin" => "platinacoin",
		781	"platinacoins" => "platinacoin",
		782	"royalty" => "royalty",
		783	"royalties" => "royalty",
		784	);
		785
		786	sub coin_from_name($) {
		787	$coin_alias{$_[0]}
		788	? cf::arch::find $coin_alias{$_[0]}
		789	: undef
460	}	790	}
461		791
462	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
463		793
464	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
466	=item cf::db_put $family => $key => $value	796	=item cf::db_put $family => $key => $value
467		797
468	Stores the given C<$value> in the family. It can currently store binary	798	Stores the given C<$value> in the family. It can currently store binary
469	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	799	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
470		800
		801	=item $db = cf::db_table "name"
		802
		803	Create and/or open a new database table. The string must not be "db" and must be unique
		804	within each server.
		805
471	=cut	806	=cut
		807
		808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
		812	my ($name) = @_;
		813	my $db = BDB::db_create $DB_ENV;
		814
		815	eval {
		816	$db->set_flags (BDB::CHKSUM);
		817
		818	utf8::encode $name;
		819	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		820	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		821	cf::cleanup "db_open(db): $!" if $!;
		822	};
		823	cf::cleanup "db_open(db): $@" if $@;
		824
		825	$db
		826	}
472		827
473	our $DB;	828	our $DB;
474		829
475	sub db_init {	830	sub db_init {
476	unless ($DB) {	831	$DB ||= db_table "db";
477	$DB = BDB::db_create $DB_ENV;
478
479	cf::sync_job {
480	eval {
481	$DB->set_flags (BDB::CHKSUM);
482
483	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
484	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
485	cf::cleanup "db_open(db): $!" if $!;
486	};
487	cf::cleanup "db_open(db): $@" if $@;
488	};
489	}
490	}	832	}
491		833
492	sub db_get($$) {	834	sub db_get($$) {
493	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
494		836
495	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
496	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
497		841
498	$! ? ()	842	$! ? ()
499	: $data	843	: $data
500	}
501	}	844	}
502		845
503	sub db_put($$$) {	846	sub db_put($$$) {
504	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
505	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
533		876
534	my @data;	877	my @data;
535	my $md5;	878	my $md5;
536		879
537	for (0 .. $#$src) {	880	for (0 .. $#$src) {
538	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
539	or Carp::croak "$src->[$_]: $!";
540	}	882	}
541		883
542	# if processing is expensive, check	884	# if processing is expensive, check
543	# checksum first	885	# checksum first
544	if (1) {	886	if (1) {
545	$md5 =	887	$md5 =
546	join "\x00",	888	join "\x00",
547	$processversion,	889	$processversion,
548	map {	890	map {
549	Coro::cede;	891	cf::cede_to_tick;
550	($src->[$_], Digest::MD5::md5_hex $data[$_])	892	($src->[$_], Digest::MD5::md5_hex $data[$_])
551	} 0.. $#$src;	893	} 0.. $#$src;
552		894
553		895
554	my $dbmd5 = db_get cache => "$id/md5";	896	my $dbmd5 = db_get cache => "$id/md5";
…		…
561		903
562	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
563	my $data = $process->(\@data);	905	my $data = $process->(\@data);
564	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
565		907
566	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
567		909
568	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
569	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
570	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
571		913
…		…
581		923
582	=cut	924	=cut
583		925
584	sub datalog($@) {	926	sub datalog($@) {
585	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
586	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
587	}	929	}
588		930
589	=back	931	=back
590		932
591	=cut	933	=cut
592		934
593	#############################################################################	935	#############################################################################
594		936
595	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
596		938
597	Many objects in crossfire are so-called attachable objects. That means you can	939	Many objects in deliantra are so-called attachable objects. That means you can
598	attach callbacks/event handlers (a collection of which is called an "attachment")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
599	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
600		942
601	In the following description, CLASS can be any of C<global>, C<object>	943	In the following description, CLASS can be any of C<global>, C<object>
602	C<player>, C<client> or C<map> (i.e. the attachable objects in	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
603	Crossfire TRT).	945	Deliantra).
604		946
605	=over 4	947	=over 4
606		948
607	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
608		950
…		…
652	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
653		995
654	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
655	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
656		998
657	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
658	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
659		1001
660	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
661		1003
662	=over 4	1004	=over 4
…		…
786		1128
787	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
788	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
789		1131
790	} elsif (ref $type) {	1132	} elsif (ref $type) {
791	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
792		1134
793	} else {	1135	} else {
794	shift @arg;	1136	shift @arg;
795	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
796	}	1138	}
797	}	1139	}
798	}	1140	}
799		1141
800	sub _object_attach {	1142	sub _object_attach {
…		…
810	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
811	}	1153	}
812		1154
813	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
814	} else {	1156	} else {
815	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
816	}	1158	}
817		1159
818	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
819	}	1161	}
820		1162
…		…
860	";	1202	";
861	die if $@;	1203	die if $@;
862	}	1204	}
863		1205
864	our $override;	1206	our $override;
865	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1207	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
866		1208
867	sub override {	1209	sub override {
868	$override = 1;	1210	$override = 1;
869	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
870	}	1212	}
871		1213
872	sub do_invoke {	1214	sub do_invoke {
873	my $event = shift;	1215	my $event = shift;
874	my $callbacks = shift;	1216	my $callbacks = shift;
875		1217
876	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
877		1219
878	local $override;	1220	local $override;
879		1221
880	for (@$callbacks) {	1222	for (@$callbacks) {
881	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
882		1224
883	if ($@) {	1225	if ($@) {
884	warn "$@";
885	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
886	override;	1227	override;
887	}	1228	}
888		1229
889	return 1 if $override;	1230	return 1 if $override;
890	}	1231	}
891		1232
892	0	1233	0
893	}	1234	}
894		1235
895	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
896		1237
897	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
898		1239
899	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
900		1241
901	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1242	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
902	removed in future versions), and there is no public API to access override	1243	removed in future versions), and there is no public API to access override
903	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
904		1245
905	=back	1246	=back
906		1247
907	=cut	1248	=cut
908		1249
909	#############################################################################	1250	#############################################################################
910	# object support	1251	# object support
		1252
		1253	sub _object_equal($$);
		1254	sub _object_equal($$) {
		1255	my ($a, $b) = @_;
		1256
		1257	return 0 unless (ref $a) eq (ref $b);
		1258
		1259	if ("HASH" eq ref $a) {
		1260	my @ka = keys %$a;
		1261	my @kb = keys %$b;
		1262
		1263	return 0 if @ka != @kb;
		1264
		1265	for (0 .. $#ka) {
		1266	return 0 unless $ka[$_] eq $kb[$_];
		1267	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1268	}
		1269
		1270	} elsif ("ARRAY" eq ref $a) {
		1271
		1272	return 0 if @$a != @$b;
		1273
		1274	for (0 .. $#$a) {
		1275	return 0 unless _object_equal $a->[$_], $b->[$_];
		1276	}
		1277
		1278	} elsif ($a ne $b) {
		1279	return 0;
		1280	}
		1281
		1282	1
		1283	}
		1284
		1285	our $SLOW_MERGES;#d#
		1286	sub _can_merge {
		1287	my ($ob1, $ob2) = @_;
		1288
		1289	++$SLOW_MERGES;#d#
		1290
		1291	# we do the slow way here
		1292	return _object_equal $ob1, $ob2
		1293	}
911		1294
912	sub reattach {	1295	sub reattach {
913	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
914	my ($obj) = @_;	1297	my ($obj) = @_;
915		1298
		1299	# no longer needed after getting rid of delete_package?
916	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
917		1301
918	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
919		1303
920	@$registry = ();	1304	@$registry = ();
921		1305
…		…
926	for (@$attach) {	1310	for (@$attach) {
927	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
928	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
929	}	1313	}
930	} else {	1314	} else {
931	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
932	}	1316	}
933	}	1317	}
934	}	1318	}
935		1319
936	cf::attachable->attach (	1320	cf::attachable->attach (
937	prio => -1000000,	1321	prio => -1000000,
938	on_instantiate => sub {	1322	on_instantiate => sub {
939	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
940		1324
941	$data = from_json $data;	1325	$data = decode_json $data;
942		1326
943	for (@$data) {	1327	for (@$data) {
944	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
945		1329
946	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
962	sub object_freezer_save {	1346	sub object_freezer_save {
963	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
964		1348
965	sync_job {	1349	sync_job {
966	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
967	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
968	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
969		1355
970	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
971	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
972	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
973	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1361	aio_fsync $fh;
		1362	}
974	close $fh;	1363	aio_close $fh;
975		1364
976	if (@$objs) {	1365	if (@$objs) {
977	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
978	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
979	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
980	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
981	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1372	aio_fsync $fh;
		1373	}
982	close $fh;	1374	aio_close $fh;
983	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
984	}	1376	}
985	} else {	1377	} else {
986	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
987	}	1379	}
988		1380
989	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
990	} else {	1385	} else {
991	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
992	}	1387	}
993	} else {	1388	} else {
994	aio_unlink $filename;	1389	aio_unlink $filename;
995	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
996	}	1391	}
997	}	1392	};
998	}	1393	}
999		1394
1000	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
1001	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
1002		1397
…		…
1014	or return;	1409	or return;
1015		1410
1016	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
1017	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
1018	or return;	1413	or return;
		1414
1019	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
1020	}	1417	}
1021		1418
		1419	utf8::decode (my $decname = $filename);
1022	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1023	$filename, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
1024	return ($data, $av);	1424	($data, $av)
1025	}	1425	}
1026		1426
1027	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
1028		1428
1029	=over 4	1429	=over 4
…		…
1083	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1084		1484
1085	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1086	}	1486	}
1087		1487
		1488	use File::Glob ();
		1489
1088	cf::player->attach (	1490	cf::player->attach (
1089	on_command => sub {	1491	on_unknown_command => sub {
1090	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1091		1493
1092	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1093	or return;	1495	or return;
1094		1496
…		…
1102	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1103		1505
1104	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1105		1507
1106	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
1107	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
1108	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
1109	$pl->ext_reply ($msg->{msgid}, %reply);
1110	}
1111	}	1515	}
		1516
		1517	$pl->ext_reply ($reply, @reply)
		1518	if $reply;
		1519
1112	} else {	1520	} else {
1113	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1114	}	1522	}
1115		1523
1116	cf::override;	1524	cf::override;
1117	},	1525	},
1118	);	1526	);
1119		1527
		1528	# "readahead" all extensions
		1529	sub cache_extensions {
		1530	my $grp = IO::AIO::aio_group;
		1531
		1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1533	for (grep /\.ext$/, @{$_[0]}) {
		1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1535	}
		1536	};
		1537
		1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1550	}
		1551
1120	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1121	cf::sync_job {	1557	cf::sync_job {
1122	my %todo;	1558	my %todo;
1123		1559
1124	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1125	next unless -r $path;	1561	next unless -r $path;
…		…
1143		1579
1144	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1145	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1146		1582
1147	$ext{source} =	1583	$ext{source} =
1148	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1149	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1150	. $source	1586	. $source
1151	. "\n};\n1";	1587	. "\n};\n1";
1152		1588
1153	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1154	}	1590	}
1155		1591
		1592	my $pass = 0;
1156	my %done;	1593	my %done;
1157	while (%todo) {	1594	while (%todo) {
1158	my $progress;	1595	my $progress;
1159		1596
		1597	++$pass;
		1598
		1599	ext:
1160	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1161	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1162	goto skip	1602	next ext
1163	unless exists $done{$_};	1603	unless exists $done{$_};
1164	}	1604	}
1165		1605
1166	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1167		1607
1168	unless (eval $v->{source}) {	1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
1169	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1170	: "$v->{base}: extension inactive.\n";
1171		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1172	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1173	warn $msg;	1624
1174	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1175	exit 1;	1626	delete $todo{$k};
1176	}	1627	} else {
1177		1628	$done{$k} = delete $todo{$k};
1178	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1179	}	1634	}
1180
1181	$done{$k} = delete $todo{$k};
1182	push @EXTS, $v->{pkg};
1183	$progress = 1;
1184	}	1635	}
1185		1636
1186	skip:	1637	unless ($progress) {
1187	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1188	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1189	}	1647	}
1190	};	1648	};
1191	}	1649	}
1192		1650
1193	#############################################################################	1651	#############################################################################
1194		1652
1195	=back	1653	=back
1196		1654
1197	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1198		1656
1199	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1200		1658
1201	=cut	1659	=cut
1202		1660
1203	package cf::player;	1661	package cf::player;
1204		1662
1205	use Coro::AIO;	1663	use Coro::AIO;
1206		1664
1207	=head3 cf::player	1665	=head3 cf::player
1208		1666
1209	=over 4	1667	=over 4
		1668
		1669	=item cf::player::num_playing
		1670
		1671	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1672
		1673	=cut
		1674
		1675	sub num_playing {
		1676	scalar grep
		1677	$_->ob->map
		1678	&& !$_->hidden
		1679	&& !$_->ob->flag (cf::FLAG_WIZ),
		1680	cf::player::list
		1681	}
1210		1682
1211	=item cf::player::find $login	1683	=item cf::player::find $login
1212		1684
1213	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1214		1686
…		…
1233		1705
1234	sub exists($) {	1706	sub exists($) {
1235	my ($login) = @_;	1707	my ($login) = @_;
1236		1708
1237	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1238	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1239	}	1711	}
1240		1712
1241	sub find($) {	1713	sub find($) {
1242	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1243	my $login = $_[0];	1715	my $login = $_[0];
…		…
1250	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1251	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1252	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1253	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1254		1726
1255	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1256	or return;	1728	or return;
		1729
		1730	my $pl = cf::player::load_pl $f
		1731	or return;
		1732
		1733	local $cf::PLAYER_LOADING{$login} = $pl;
		1734	$f->resolve_delayed_derefs;
1257	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1258	}	1736	}
1259	}	1737	}
1260	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
1261		1752
1262	sub save($) {	1753	sub save($) {
1263	my ($pl) = @_;	1754	my ($pl) = @_;
1264		1755
1265	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1270	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1271		1762
1272	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1273	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1274		1765
		1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1770
1275	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1276	Coro::cede;	1772	cf::cede_to_tick;
1277	}	1773	}
1278		1774
1279	sub new($) {	1775	sub new($) {
1280	my ($login) = @_;	1776	my ($login) = @_;
1281		1777
…		…
1287	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1288		1784
1289	$self	1785	$self
1290	}	1786	}
1291		1787
		1788	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1789
		1790	=cut
		1791
		1792	sub send_msg {
		1793	my $ns = shift->ns
		1794	or return;
		1795	$ns->send_msg (@_);
		1796	}
		1797
1292	=item $pl->quit_character	1798	=item $pl->quit_character
1293		1799
1294	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1295	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1296		1802
…		…
1300	my ($pl) = @_;	1806	my ($pl) = @_;
1301		1807
1302	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1303		1809
1304	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1305	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1306		1812
1307	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1308	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1309	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1310	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1311		1821
1312	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1313	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1314	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1349	or return [];	1859	or return [];
1350		1860
1351	my @logins;	1861	my @logins;
1352		1862
1353	for my $login (@$dirs) {	1863	for my $login (@$dirs) {
		1864	my $path = path $login;
		1865
		1866	# a .pst is a dead give-away for a valid player
		1867	# if no pst file found, open and chekc for blocked users
		1868	if (aio_stat "$path.pst") {
1354	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1355	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1356	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1357		1873
1358	utf8::decode $login;	1874	utf8::decode $login;
1359	push @logins, $login;	1875	push @logins, $login;
1360	}	1876	}
1361		1877
1362	\@logins	1878	\@logins
1363	}	1879	}
1364		1880
1365	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1366		1884
1367	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1368	player. May block.	1886	player. May block.
1369		1887
1370	=cut	1888	=cut
…		…
1388	}	1906	}
1389		1907
1390	\@paths	1908	\@paths
1391	}	1909	}
1392		1910
1393	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1394		1912
1395	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1396		1914
1397	=cut
1398
1399	sub expand_cfpod {
1400	((my $self), (local $_)) = @_;
1401
1402	# escape & and <
1403	s/&/&amp;/g;
1404	s/(?<![BIUGH])</&lt;/g;
1405
1406	# this is buggy, it needs to properly take care of nested <'s
1407
1408	1 while
1409	# replace B<>, I<>, U<> etc.
1410	s/B<([^\>]*)>/<b>$1<\/b>/
1411	|| s/I<([^\>]*)>/<i>$1<\/i>/
1412	|| s/U<([^\>]*)>/<u>$1<\/u>/
1413	# replace G<male|female> tags
1414	|| s{G<([^>|]*)\|([^>]*)>}{
1415	$self->gender ? $2 : $1
1416	}ge
1417	# replace H<hint text>
1418	|| s{H<([^\>]*)>}
1419	{
1420	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1421	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1422	"")
1423	[$self->{hintmode}]
1424	}ge;
1425
1426	# create single paragraphs (very hackish)
1427	s/(?<=\S)\n(?=\w)/ /g;
1428
1429	# compress some whitespace
1430	s/\s+\n/\n/g; # ws line-ends
1431	s/\n\n+/\n/g; # double lines
1432	s/^\n+//; # beginning lines
1433	s/\n+$//; # ending lines
1434
1435	$_
1436	}
1437
1438	sub hintmode {
1439	$_[0]{hintmode} = $_[1] if @_ > 1;
1440	$_[0]{hintmode}
1441	}
1442
1443	=item $player->ext_reply ($msgid, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1444		1916
1445	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1446		1918
1447	=cut	1919	=cut
1448		1920
1449	sub ext_reply($$%) {	1921	sub ext_reply($$@) {
1450	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1451		1923
1452	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1453	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1454	}	1925	}
1455		1926
1456	=item $player->ext_event ($type, %msg)	1927	=item $player->ext_msg ($type, @msg)
1457		1928
1458	Sends an ext event to the client.	1929	Sends an ext event to the client.
1459		1930
1460	=cut	1931	=cut
1461		1932
1462	sub ext_event($$%) {	1933	sub ext_msg($$@) {
1463	my ($self, $type, %msg) = @_;	1934	my ($self, $type, @msg) = @_;
1464		1935
1465	$self->ns->ext_event ($type, %msg);	1936	$self->ns->ext_msg ($type, @msg);
1466	}	1937	}
1467		1938
1468	=head3 cf::region	1939	=head3 cf::region
1469		1940
1470	=over 4	1941	=over 4
…		…
1480	=cut	1951	=cut
1481		1952
1482	sub find_by_path($) {	1953	sub find_by_path($) {
1483	my ($path) = @_;	1954	my ($path) = @_;
1484		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
1485	my ($match, $specificity);	1958	my ($match, $specificity);
1486		1959
1487	for my $region (list) {	1960	for my $region (list) {
1488	if ($region->match && $path =~ $region->match) {	1961	if ($region->{match} && $path =~ $region->{match}) {
1489	($match, $specificity) = ($region, $region->specificity)	1962	($match, $specificity) = ($region, $region->specificity)
1490	if $region->specificity > $specificity;	1963	if $region->specificity > $specificity;
1491	}	1964	}
1492	}	1965	}
1493		1966
…		…
1514	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1515	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1516		1989
1517	sub generate_random_map {	1990	sub generate_random_map {
1518	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1519	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1520	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1521	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1522	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1523	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1524	$rmp->{exit_on_final_map},
1525	$rmp->{xsize}, $rmp->{ysize},
1526	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1527	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1528	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1529	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1530	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1531	(cf::region::find $rmp->{region}), $rmp->{custom}
1532	)
1533	}	1996	}
1534		1997
1535	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1536		1999
1537	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1542		2005
1543	sub register {	2006	sub register {
1544	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1545	my $pkg = caller;	2008	my $pkg = caller;
1546		2009
1547	no strict;
1548	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1549		2011
1550	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1551	}	2013	}
1552		2014
1553	# also paths starting with '/'	2015	# also paths starting with '/'
1554	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1555		2017
1556	sub thawer_merge {	2018	sub thawer_merge {
1557	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1558		2020
1559	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1564	}	2026	}
1565		2027
1566	sub normalise {	2028	sub normalise {
1567	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1568		2030
1569	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1570		2032
1571	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1572		2034
1573	# map plan:	2035	# map plan:
1574	#	2036	#
…		…
1589	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1590	$path = "$base/$path";	2052	$path = "$base/$path";
1591	}	2053	}
1592		2054
1593	for ($path) {	2055	for ($path) {
1594	redo if s{//}{/};
1595	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1596	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1597	}	2058	}
1598		2059
1599	$path	2060	$path
…		…
1613	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1614	return $self;	2075	return $self;
1615	}	2076	}
1616	}	2077	}
1617		2078
1618	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1619	()	2080	()
1620	}	2081	}
1621		2082
		2083	# may re-bless or do other evil things
1622	sub init {	2084	sub init {
1623	my ($self) = @_;	2085	my ($self) = @_;
1624		2086
1625	$self	2087	$self
1626	}	2088	}
…		…
1645		2107
1646	# the temporary/swap location	2108	# the temporary/swap location
1647	sub save_path {	2109	sub save_path {
1648	my ($self) = @_;	2110	my ($self) = @_;
1649		2111
1650	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1651	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1652	}	2114	}
1653		2115
1654	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1655	sub uniq_path {	2117	sub uniq_path {
1656	my ($self) = @_;	2118	my ($self) = @_;
1657		2119
1658	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1659	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1660	}
1661
1662	# and all this just because we cannot iterate over
1663	# all maps in C++...
1664	sub change_all_map_light {
1665	my ($change) = @_;
1666
1667	$_->change_map_light ($change)
1668	for grep $_->outdoor, values %cf::MAP;
1669	}	2122	}
1670		2123
1671	sub decay_objects {	2124	sub decay_objects {
1672	my ($self) = @_;	2125	my ($self) = @_;
1673		2126
…		…
1686		2139
1687	sub load_header_from($) {	2140	sub load_header_from($) {
1688	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1689		2142
1690	utf8::encode $path;	2143	utf8::encode $path;
1691	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1692	# or return;
1693
1694	$self->_load_header ($path)
1695	or return;	2145	or return;
1696		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1697	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1698		2154
1699	1	2155	1
1700	}	2156	}
1701		2157
		2158	# used to laod the header of an original map
1702	sub load_header_orig {	2159	sub load_header_orig {
1703	my ($self) = @_;	2160	my ($self) = @_;
1704		2161
1705	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1706	}	2163	}
1707		2164
		2165	# used to laod the header of an instantiated map
1708	sub load_header_temp {	2166	sub load_header_temp {
1709	my ($self) = @_;	2167	my ($self) = @_;
1710		2168
1711	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1712	}	2170	}
1713		2171
		2172	# called after loading the header from an instantiated map
1714	sub prepare_temp {	2173	sub prepare_temp {
1715	my ($self) = @_;	2174	my ($self) = @_;
1716		2175
1717	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1718	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1719	# safety	2178	# safety
1720	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1721	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1722	}	2181	}
1723		2182
		2183	# called after loading the header from an original map
1724	sub prepare_orig {	2184	sub prepare_orig {
1725	my ($self) = @_;	2185	my ($self) = @_;
1726		2186
1727	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1728	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1752		2212
1753	sub find;	2213	sub find;
1754	sub find {	2214	sub find {
1755	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1756		2216
		2217	cf::cede_to_tick;
		2218
1757	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1758		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1759	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1760		2223
1761	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1762	my $guard = cf::lock_acquire "map_find:$path";
1763	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1764	or return;	2226	or return;
1765		2227
1766	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1767		2229
…		…
1769	or return;	2231	or return;
1770		2232
1771	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1772	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1773	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1774	$map->reset;	2238	$map->reset;
1775	undef $guard;
1776	return find $path;	2239	return find $path;
1777	}	2240	}
1778		2241
1779	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1780	}	2243	}
1781	}	2244	}
1782		2245
1783	sub pre_load { }	2246	sub pre_load { }
1784	sub post_load { }	2247	#sub post_load { } # XS
1785		2248
1786	sub load {	2249	sub load {
1787	my ($self) = @_;	2250	my ($self) = @_;
1788		2251
1789	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1790		2253
1791	my $path = $self->{path};	2254	my $path = $self->{path};
1792		2255
1793	{	2256	{
1794	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1795		2258
		2259	return unless $self->valid;
1796	return if $self->in_memory != cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1797
1798	$self->in_memory (cf::MAP_LOADING);
1799		2261
1800	$self->alloc;	2262	$self->alloc;
1801		2263
1802	$self->pre_load;	2264	$self->pre_load;
1803	Coro::cede;	2265	cf::cede_to_tick;
1804		2266
1805	$self->_load_objects ($self->{load_path}, 1)	2267	if (exists $self->{load_path}) {
		2268	my $f = new_from_file cf::object::thawer $self->{load_path};
		2269	$f->skip_block;
		2270	$self->_load_objects ($f)
1806	or return;	2271	or return;
1807		2272
1808	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1809	if delete $self->{load_original};	2274	if delete $self->{load_original};
1810		2275
1811	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1812	utf8::encode $uniq;	2277	utf8::encode $uniq;
1813	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1814	$self->clear_unique_items;	2280	$self->clear_unique_items;
1815	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1816	}	2285	}
1817	}
1818		2286
1819	Coro::cede;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
		2294
		2295	cf::cede_to_tick;
1820	# now do the right thing for maps	2296	# now do the right thing for maps
1821	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1822	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1823	unless $self->difficulty;	2299	unless $self->difficulty;
1824	Coro::cede;	2300	cf::cede_to_tick;
1825		2301
1826	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1827	$self->decay_objects;	2303	$self->decay_objects;
1828	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1829	$self->update_buttons;	2305	$self->update_buttons;
1830	Coro::cede;	2306	cf::cede_to_tick;
1831	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1832	Coro::cede;
1833	$self->activate;
1834	}	2308	}
1835		2309
1836	$self->in_memory (cf::MAP_IN_MEMORY);	2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1837	}	2312	}
1838		2313
1839	$self->post_load;	2314	$self->post_load;
1840	}
1841		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1842	sub customise_for {	2322	sub customise_for {
1843	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1844		2324
1845	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1846	if $self->per_player;	2326	if $self->per_player;
…		…
1849	# if $self->per_party;	2329	# if $self->per_party;
1850		2330
1851	$self	2331	$self
1852	}	2332	}
1853		2333
1854	# find and load all maps in the 3x3 area around a map
1855	sub load_diag {
1856	my ($map) = @_;
1857
1858	my @diag; # diagonal neighbours
1859
1860	for (0 .. 3) {
1861	my $neigh = $map->tile_path ($_)
1862	or next;
1863	$neigh = find $neigh, $map
1864	or next;
1865	$neigh->load;
1866
1867	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1868	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1869	}
1870
1871	for (@diag) {
1872	my $neigh = find @$_
1873	or next;
1874	$neigh->load;
1875	}
1876	}
1877
1878	sub find_sync {	2334	sub find_sync {
1879	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1880		2336
1881	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
1882	}	2342	}
1883		2343
1884	sub do_load_sync {	2344	sub do_load_sync {
1885	my ($map) = @_;	2345	my ($map) = @_;
1886		2346
1887	cf::sync_job { $map->load };	2347	# it's a bug to call this from the main context
		2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2349	if $Coro::current == $Coro::main;
		2350
		2351	$map->load;
1888	}	2352	}
1889		2353
1890	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1891	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1892		2356
1893	sub find_async {	2357	sub find_async {
1894	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1895		2359
1896	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1897		2361
1898	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1899	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1900	}	2364	}
1901		2365
1902	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1903	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1904	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1905	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1906	my $map = find $path	2373	if (my $map = find $k) {
1907	or next;
1908	$map->load;	2374	$map->load if $v;
		2375	}
1909		2376
1910	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1911	}	2378	}
1912	}	2379	}
1913	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1914	};	2381	};
1915	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1916		2383
1917	()	2384	()
1918	}	2385	}
1919		2386
		2387	# common code, used by both ->save and ->swapout
1920	sub save {	2388	sub _save {
1921	my ($self) = @_;	2389	my ($self) = @_;
1922
1923	my $lock = cf::lock_acquire "map_data:" . $self->path;
1924		2390
1925	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1926		2392
1927	return unless $self->dirty;	2393	return unless $self->dirty;
1928		2394
…		…
1934	return if $self->{deny_save};	2400	return if $self->{deny_save};
1935		2401
1936	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1937		2403
1938	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1939	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1940	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1941		2410
1942	if ($uniq) {	2411	if ($uniq) {
1943	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1944	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1945	} else {	2414	} else {
1946	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1947	}	2416	}
1948	}	2417	}
1949		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1950	sub swap_out {	2427	sub swap_out {
1951	my ($self) = @_;	2428	my ($self) = @_;
1952		2429
1953	# save first because save cedes
1954	$self->save;
1955
1956	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1957		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1958	return if $self->players;	2434	return if $self->players;
1959	return if $self->in_memory != cf::MAP_IN_MEMORY;
1960	return if $self->{deny_save};
1961		2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
1962	$self->clear;	2445	$self->clear;
1963	$self->in_memory (cf::MAP_SWAPPED);
1964	}	2446	}
1965		2447
1966	sub reset_at {	2448	sub reset_at {
1967	my ($self) = @_;	2449	my ($self) = @_;
1968		2450
…		…
1986		2468
1987	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1988		2470
1989	return if $self->players;	2471	return if $self->players;
1990		2472
1991	warn "resetting map ", $self->path;	2473	cf::trace "resetting map ", $self->path, "\n";
1992		2474
1993	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
1994		2476
1995	# need to save uniques path	2477	# need to save uniques path
1996	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
1997	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
1998		2480
…		…
2000	if $uniq;	2482	if $uniq;
2001	}	2483	}
2002		2484
2003	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
2004		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
2005	$self->clear;	2489	$self->clear;
2006
2007	$_->clear_links_to ($self) for values %cf::MAP;
2008		2490
2009	$self->unlink_save;	2491	$self->unlink_save;
2010	$self->destroy;	2492	$self->destroy;
2011	}	2493	}
2012		2494
2013	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
2014		2496
2015	sub nuke {	2497	sub nuke {
2016	my ($self) = @_;	2498	my ($self) = @_;
2017		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
2018	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2019		2504
2020	$self->unlink_save;	2505	$self->unlink_save;
2021		2506
2022	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2023	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2024	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2025	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2026	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2027		2512
2028	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
2029		2515
2030	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
2031	}	2517	}
2032		2518
2033	=item $maps = cf::map::tmp_maps	2519	=item $maps = cf::map::tmp_maps
…		…
2075		2561
2076	sub unique_maps() {	2562	sub unique_maps() {
2077	[	2563	[
2078	map {	2564	map {
2079	utf8::decode $_;	2565	utf8::decode $_;
2080	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2081	? normalise $_	2569	: normalise $_
2082	: ()
2083	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2084	]	2571	]
2085	}	2572	}
2086		2573
2087	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
2088		2605
2089	=back	2606	=back
2090		2607
2091	=head3 cf::object	2608	=head3 cf::object
2092		2609
…		…
2096		2613
2097	=over 4	2614	=over 4
2098		2615
2099	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2100		2617
2101	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
2102		2620
2103	=cut	2621	=cut
2104		2622
2105	sub inv_recursive_;	2623	sub inv_recursive_;
2106	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2109		2627
2110	sub inv_recursive {	2628	sub inv_recursive {
2111	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2112	}	2630	}
2113		2631
		2632	=item $ref = $ob->ref
		2633
		2634	Creates and returns a persistent reference to an object that can be stored as a string.
		2635
		2636	=item $ob = cf::object::deref ($refstring)
		2637
		2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2639	even if the object actually exists. May block.
		2640
		2641	=cut
		2642
		2643	sub deref {
		2644	my ($ref) = @_;
		2645
		2646	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2647	my ($uuid, $name) = ($1, $2);
		2648	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2649	or return;
		2650	$pl->ob->uuid eq $uuid
		2651	or return;
		2652
		2653	$pl->ob
		2654	} else {
		2655	warn "$ref: cannot resolve object reference\n";
		2656	undef
		2657	}
		2658	}
		2659
2114	package cf;	2660	package cf;
2115		2661
2116	=back	2662	=back
2117		2663
2118	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
2124	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2670	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2125	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
2126	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2127		2673
2128	=cut	2674	=cut
		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
2129		2689
2130	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2131	# with dialog boxes.	2691	# with dialog boxes.
2132	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
2133	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
2140		2700
2141	} else {	2701	} else {
2142	my $pl = $self->contr;	2702	my $pl = $self->contr;
2143		2703
2144	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2704	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2145	my $diag = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2146	$diag->{pl}->ext_reply (	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2147	$diag->{id},
2148	msgtype => "reply",
2149	msg => $diag->{pl}->expand_cfpod ($msg),
2150	add_topics => []
2151	);
2152		2707
2153	} else {	2708	} else {
2154	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2155	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2156	}	2711	}
2157	}	2712	}
		2713	}
		2714
		2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2716
		2717	=cut
		2718
		2719	sub cf::object::send_msg {
		2720	my $pl = shift->contr
		2721	or return;
		2722	$pl->send_msg (@_);
2158	}	2723	}
2159		2724
2160	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
2161		2726
2162	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
2175		2740
2176	=item $player_object->enter_link	2741	=item $player_object->enter_link
2177		2742
2178	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
2179		2744
2180	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
2181	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
2182		2749
2183	Will never block.	2750	Will never block.
2184		2751
2185	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2186		2753
…		…
2206	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2207	my ($self) = @_;	2774	my ($self) = @_;
2208		2775
2209	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2210		2777
		2778	++$self->{_link_recursion};
		2779
2211	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2212		2781
2213	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2214	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2215		2784
2216	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2217	}	2786	}
2218		2787
2219	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2220	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2221		2790
…		…
2238	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2239	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2240		2809
2241	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2242	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2243	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2244		2813
2245	$map->load;	2814	$map->load;
2246	$map->load_diag;
2247		2815
2248	return unless $self->contr->active;	2816	return unless $self->contr->active;
2249	$self->activate_recursive;
2250		2817
2251	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2252	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2253	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2254		2825
		2826	}
		2827
2255	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2256		2829
2257	Moves the player to the given map-path and coordinates by first freezing	2830	Moves the player to the given map-path and coordinates by first freezing
2258	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2259	that has to return the map if sucecssful, and then unfreezes the player on	2832	that has to return the map if sucecssful, and then unfreezes the player on
2260	the new (success) or old (failed) map position.	2833	the new (success) or old (failed) map position. In either case, $done will
		2834	be called at the end of this process.
		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
2261		2838
2262	=cut	2839	=cut
2263		2840
2264	our $GOTOGEN;	2841	our $GOTOGEN;
2265		2842
2266	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2267	my ($self, $path, $x, $y, $check) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
2268		2851
2269	# do generation counting so two concurrent goto's will be executed in-order	2852	# do generation counting so two concurrent goto's will be executed in-order
2270	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2271		2854
2272	$self->enter_link;	2855	$self->enter_link;
2273		2856
2274	(async {	2857	(async {
		2858	$Coro::current->{desc} = "player::goto $path $x $y";
		2859
		2860	# *tag paths override both path and x|y
		2861	if ($path =~ /^\*(.*)$/) {
		2862	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2863	my $ob = $obs[rand @obs];
		2864
		2865	# see if we actually can go there
		2866	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2867	$ob = $obs[rand @obs];
		2868	} else {
		2869	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2870	}
		2871	# else put us there anyways for now #d#
		2872
		2873	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2874	} else {
		2875	($path, $x, $y) = (undef, undef, undef);
		2876	}
		2877	}
		2878
2275	my $map = eval {	2879	my $map = eval {
2276	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2277		2881
2278	if ($map) {	2882	if ($map) {
2279	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2280	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2281	} else {	2885	} else {
2282	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2283	}	2887	}
2284		2888
2285	$map	2889	$map
2286	};	2890	};
2287		2891
…		…
2292		2896
2293	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2294	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2295	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2296	}	2900	}
		2901
		2902	$done->($self) if $done;
2297	})->prio (1);	2903	})->prio (1);
2298	}	2904	}
2299		2905
2300	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2301		2907
…		…
2321	}	2927	}
2322		2928
2323	sub prepare_random_map {	2929	sub prepare_random_map {
2324	my ($exit) = @_;	2930	my ($exit) = @_;
2325		2931
2326	my $guard = cf::lock_acquire "exit_prepare:$exit";
2327
2328	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2329	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2330	# that depends on the exit object	2934	# that depends on the exit object
2331		2935
2332	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2334	if ($exit->map) {	2938	if ($exit->map) {
2335	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2336	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2337	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2338	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2339	}	2945	}
2340		2946
2341	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2342		2948
2343	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2344	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2345	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2346		2952
2347	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2348	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2349	undef $fh;	2955	undef $fh;
2350	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2351		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2352	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2353	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2354	}	2964	}
2355	}	2965	}
2356		2966
2357	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2358	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2359		2969
2360	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2361		2971
2362	if ($exit->slaying eq "/!") {
2363	#TODO: this should de-fi-ni-te-ly not be a sync-job
2364	# the problem is that $exit might not survive long enough
2365	# so it needs to be done right now, right here
2366	cf::sync_job { prepare_random_map $exit };
2367	}
2368
2369	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2370	my $hp = $exit->stats->hp;
2371	my $sp = $exit->stats->sp;
2372
2373	$self->enter_link;	2972	$self->enter_link;
2374		2973
2375	# if exit is damned, update players death & WoR home-position
2376	$self->contr->savebed ($slaying, $hp, $sp)
2377	if $exit->flag (FLAG_DAMNED);
2378
2379	(async {	2974	(async {
2380	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2381	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
2382	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2383		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
2384	1;	3013	1
2385	}) {	3014	}) {
2386	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2387	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2388	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2389	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2390		3019
2391	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2392	$self->leave_link;	3021	$self->leave_link;
2393	}	3022	}
2394	})->prio (1);	3023	})->prio (1);
2395	}	3024	}
2396		3025
…		…
2410		3039
2411	utf8::encode $text;	3040	utf8::encode $text;
2412	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2413	}	3042	}
2414		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
		3067	}
		3068
2415	=item $client->send_msg ($color, $type, $msg, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2416		3070
2417	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
2418	client if neccessary. C<$type> should be a string identifying the type of	3072	client if neccessary. C<$type> should be a string identifying the type of
2419	the message, with C<log> being the default. If C<$color> is negative, suppress	3073	the message, with C<log> being the default. If C<$color> is negative, suppress
2420	the message unless the client supports the msg packet.	3074	the message unless the client supports the msg packet.
2421		3075
2422	=cut	3076	=cut
2423		3077
		3078	# non-persistent channels (usually the info channel)
		3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
		3086	"c/identify" => {
		3087	id => "infobox",
		3088	title => "Identify",
		3089	reply => undef,
		3090	tooltip => "Items recently identified",
		3091	},
		3092	"c/examine" => {
		3093	id => "infobox",
		3094	title => "Examine",
		3095	reply => undef,
		3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
		3103	},
		3104	"c/book" => {
		3105	id => "infobox",
		3106	title => "Book",
		3107	reply => undef,
		3108	tooltip => "The contents of a note or book",
		3109	},
		3110	"c/lookat" => {
		3111	id => "infobox",
		3112	title => "Look",
		3113	reply => undef,
		3114	tooltip => "What you saw there",
		3115	},
		3116	"c/who" => {
		3117	id => "infobox",
		3118	title => "Players",
		3119	reply => undef,
		3120	tooltip => "Shows players who are currently online",
		3121	},
		3122	"c/body" => {
		3123	id => "infobox",
		3124	title => "Body Parts",
		3125	reply => undef,
		3126	tooltip => "Shows which body parts you posess and are available",
		3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
		3164	"c/uptime" => {
		3165	id => "infobox",
		3166	title => "Uptime",
		3167	reply => undef,
		3168	tooltip => "How long the server has been running since last restart",
		3169	},
		3170	"c/mapinfo" => {
		3171	id => "infobox",
		3172	title => "Map Info",
		3173	reply => undef,
		3174	tooltip => "Information related to the maps",
		3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
		3190	);
		3191
2424	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2425	my ($self, $color, $type, $msg, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2426		3194
2427	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
		3197
		3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3199
		3200	# check predefined channels, for the benefit of C
		3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
		3207	} elsif (ref $channel) {
		3208	# send meta info to client, if not yet sent
		3209	unless (exists $self->{channel}{$channel->{id}}) {
		3210	$self->{channel}{$channel->{id}} = $channel;
		3211	$self->ext_msg (channel_info => $channel);
		3212	}
		3213
		3214	$channel = $channel->{id};
		3215	}
2428		3216
2429	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2430		3218
2431	if ($self->can_msg) {	3219	# default colour, mask it out
2432	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2433	} else {	3221	if $color & cf::NDI_DEF;
2434	# replace some tags by gcfclient-compatible ones
2435	for ($msg) {
2436	1 while
2437	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2438	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2439	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2440	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2441	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2442	}
2443		3222
2444	if ($color >= 0) {	3223	my $pkt = "msg "
2445	if (0 && $msg =~ /\[/) {	3224	. $self->{json_coder}->encode (
2446	$self->send_packet ("drawextinfo $color 4 0 $msg")	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2447	} else {	3226	);
2448	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2449	$self->send_packet ("drawinfo $color $msg")
2450	}
2451	}
2452	}
2453	}
2454		3227
		3228	$self->send_big_packet ($pkt);
		3229	}
		3230
2455	=item $client->ext_event ($type, %msg)	3231	=item $client->ext_msg ($type, @msg)
2456		3232
2457	Sends an ext event to the client.	3233	Sends an ext event to the client.
2458		3234
2459	=cut	3235	=cut
2460		3236
2461	sub cf::client::ext_event($$%) {	3237	sub cf::client::ext_msg($$@) {
2462	my ($self, $type, %msg) = @_;	3238	my ($self, $type, @msg) = @_;
2463		3239
2464	$msg{msgtype} = "event_$type";
2465	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3241	}
		3242
		3243	=item $client->ext_reply ($msgid, @msg)
		3244
		3245	Sends an ext reply to the client.
		3246
		3247	=cut
		3248
		3249	sub cf::client::ext_reply($$@) {
		3250	my ($self, $id, @msg) = @_;
		3251
		3252	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2466	}	3253	}
2467		3254
2468	=item $success = $client->query ($flags, "text", \&cb)	3255	=item $success = $client->query ($flags, "text", \&cb)
2469		3256
2470	Queues a query to the client, calling the given callback with	3257	Queues a query to the client, calling the given callback with
…		…
2525	my ($ns, $buf) = @_;	3312	my ($ns, $buf) = @_;
2526		3313
2527	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3314	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2528		3315
2529	if (ref $msg) {	3316	if (ref $msg) {
		3317	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3318
		3319	my @reply;
		3320
2530	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3321	if (my $cb = $EXTICMD{$type}) {
2531	if (my %reply = $cb->($ns, $msg)) {	3322	@reply = $cb->($ns, @payload);
2532	$reply{msgid} = $msg->{msgid};
2533	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2534	}
2535	}	3323	}
		3324
		3325	$ns->ext_reply ($reply, @reply)
		3326	if $reply;
		3327
2536	} else {	3328	} else {
2537	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3329	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2538	}	3330	}
2539		3331
2540	cf::override;	3332	cf::override;
2541	},	3333	},
2542	);	3334	);
…		…
2562		3354
2563	$coro	3355	$coro
2564	}	3356	}
2565		3357
2566	cf::client->attach (	3358	cf::client->attach (
2567	on_destroy => sub {	3359	on_client_destroy => sub {
2568	my ($ns) = @_;	3360	my ($ns) = @_;
2569		3361
2570	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3362	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2571	},	3363	},
2572	);	3364	);
…		…
2587	our $safe = new Safe "safe";	3379	our $safe = new Safe "safe";
2588	our $safe_hole = new Safe::Hole;	3380	our $safe_hole = new Safe::Hole;
2589		3381
2590	$SIG{FPE} = 'IGNORE';	3382	$SIG{FPE} = 'IGNORE';
2591		3383
2592	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3384	$safe->permit_only (Opcode::opset qw(
		3385	:base_core :base_mem :base_orig :base_math :base_loop
		3386	grepstart grepwhile mapstart mapwhile
		3387	sort time
		3388	));
2593		3389
2594	# here we export the classes and methods available to script code	3390	# here we export the classes and methods available to script code
2595		3391
2596	=pod	3392	=pod
2597		3393
2598	The following functions and methods are available within a safe environment:	3394	The following functions and methods are available within a safe environment:
2599		3395
2600	cf::object	3396	cf::object
2601	contr pay_amount pay_player map x y force_find force_add	3397	contr pay_amount pay_player map x y force_find force_add destroy
2602	insert remove	3398	insert remove name archname title slaying race decrease split
		3399	value
2603		3400
2604	cf::object::player	3401	cf::object::player
2605	player	3402	player
2606		3403
2607	cf::player	3404	cf::player
…		…
2612		3409
2613	=cut	3410	=cut
2614		3411
2615	for (	3412	for (
2616	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3413	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2617	insert remove)],	3414	insert remove inv nrof name archname title slaying race
		3415	decrease split destroy change_exp value msg lore send_msg)],
2618	["cf::object::player" => qw(player)],	3416	["cf::object::player" => qw(player)],
2619	["cf::player" => qw(peaceful)],	3417	["cf::player" => qw(peaceful send_msg)],
2620	["cf::map" => qw(trigger)],	3418	["cf::map" => qw(trigger)],
2621	) {	3419	) {
2622	no strict 'refs';
2623	my ($pkg, @funs) = @$_;	3420	my ($pkg, @funs) = @$_;
2624	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3421	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2625	for @funs;	3422	for @funs;
2626	}	3423	}
2627		3424
…		…
2642		3439
2643	my $qcode = $code;	3440	my $qcode = $code;
2644	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3441	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2645	$qcode =~ s/\n/\\n/g;	3442	$qcode =~ s/\n/\\n/g;
2646		3443
		3444	%vars = (_dummy => 0) unless %vars;
		3445
		3446	my @res;
2647	local $_;	3447	local $_;
2648	local @safe::cf::_safe_eval_args = values %vars;
2649		3448
2650	my $eval =	3449	my $eval =
2651	"do {\n"	3450	"do {\n"
2652	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3451	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2653	. "#line 0 \"{$qcode}\"\n"	3452	. "#line 0 \"{$qcode}\"\n"
2654	. $code	3453	. $code
2655	. "\n}"	3454	. "\n}"
2656	;	3455	;
2657		3456
		3457	if ($CFG{safe_eval}) {
2658	sub_generation_inc;	3458	sub_generation_inc;
		3459	local @safe::cf::_safe_eval_args = values %vars;
2659	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3460	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2660	sub_generation_inc;	3461	sub_generation_inc;
		3462	} else {
		3463	local @cf::_safe_eval_args = values %vars;
		3464	@res = wantarray ? eval eval : scalar eval $eval;
		3465	}
2661		3466
2662	if ($@) {	3467	if ($@) {
2663	warn "$@";	3468	warn "$@",
2664	warn "while executing safe code '$code'\n";	3469	"while executing safe code '$code'\n",
2665	warn "with arguments " . (join " ", %vars) . "\n";	3470	"with arguments " . (join " ", %vars) . "\n";
2666	}	3471	}
2667		3472
2668	wantarray ? @res : $res[0]	3473	wantarray ? @res : $res[0]
2669	}	3474	}
2670		3475
…		…
2684	=cut	3489	=cut
2685		3490
2686	sub register_script_function {	3491	sub register_script_function {
2687	my ($fun, $cb) = @_;	3492	my ($fun, $cb) = @_;
2688		3493
2689	no strict 'refs';	3494	$fun = "safe::$fun" if $CFG{safe_eval};
2690	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3495	*$fun = $safe_hole->wrap ($cb);
2691	}	3496	}
2692		3497
2693	=back	3498	=back
2694		3499
2695	=cut	3500	=cut
2696		3501
2697	#############################################################################	3502	#############################################################################
2698	# the server's init and main functions	3503	# the server's init and main functions
2699		3504
		3505	our %FACEHASH; # hash => idx, #d# HACK for http server
		3506
		3507	# internal api, not fianlised
		3508	sub add_face {
		3509	my ($name, $type, $data) = @_;
		3510
		3511	my $idx = cf::face::find $name;
		3512
		3513	if ($idx) {
		3514	delete $FACEHASH{cf::face::get_chksum $idx};
		3515	} else {
		3516	$idx = cf::face::alloc $name;
		3517	}
		3518
		3519	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3520
		3521	cf::face::set_type $idx, $type;
		3522	cf::face::set_data $idx, 0, $data, $hash;
		3523	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3524	$FACEHASH{$hash} = $idx;#d#
		3525
		3526	$idx
		3527	}
		3528
2700	sub load_facedata($) {	3529	sub load_facedata($) {
2701	my ($path) = @_;	3530	my ($path) = @_;
2702		3531
		3532	# HACK to clear player env face cache, we need some signal framework
		3533	# for this (global event?)
		3534	%ext::player_env::MUSIC_FACE_CACHE = ();
		3535
		3536	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3537
2703	warn "loading facedata from $path\n";	3538	trace "loading facedata from $path\n";
2704		3539
2705	my $facedata;	3540	my $facedata = decode_storable load_file $path;
2706	0 < aio_load $path, $facedata
2707	or die "$path: $!";
2708
2709	$facedata = Coro::Storable::thaw $facedata;
2710		3541
2711	$facedata->{version} == 2	3542	$facedata->{version} == 2
2712	or cf::cleanup "$path: version mismatch, cannot proceed.";	3543	or cf::cleanup "$path: version mismatch, cannot proceed.";
2713		3544
		3545	cf::cede_to_tick;
		3546
2714	{	3547	{
2715	my $faces = $facedata->{faceinfo};	3548	my $faces = $facedata->{faceinfo};
2716		3549
2717	while (my ($face, $info) = each %$faces) {	3550	for my $face (sort keys %$faces) {
		3551	my $info = $faces->{$face};
2718	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3552	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3553
2719	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3554	cf::face::set_visibility $idx, $info->{visibility};
		3555	cf::face::set_magicmap $idx, $info->{magicmap};
2720	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3556	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2721	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3557	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2722	Coro::cede;	3558	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3559	$FACEHASH{$info->{hash64}} = $idx;#d#
		3560
		3561	cf::cede_to_tick;
2723	}	3562	}
2724		3563
2725	while (my ($face, $info) = each %$faces) {	3564	while (my ($face, $info) = each %$faces) {
2726	next unless $info->{smooth};	3565	next unless $info->{smooth};
		3566
2727	my $idx = cf::face::find $face	3567	my $idx = cf::face::find $face
2728	or next;	3568	or next;
		3569
2729	if (my $smooth = cf::face::find $info->{smooth}) {	3570	if (my $smooth = cf::face::find $info->{smooth}) {
		3571	cf::face::set_smooth $idx, $smooth;
2730	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3572	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2731	} else {	3573	} else {
2732	warn "smooth face '$info->{smooth}' not found for face '$face'";	3574	error "smooth face '$info->{smooth}' not found for face '$face'";
2733	}	3575	}
2734	Coro::cede;	3576
		3577	cf::cede_to_tick;
2735	}	3578	}
2736	}	3579	}
2737		3580
2738	{	3581	{
2739	my $anims = $facedata->{animinfo};	3582	my $anims = $facedata->{animinfo};
2740		3583
2741	while (my ($anim, $info) = each %$anims) {	3584	while (my ($anim, $info) = each %$anims) {
2742	cf::anim::set $anim, $info->{frames}, $info->{facings};	3585	cf::anim::set $anim, $info->{frames}, $info->{facings};
2743	Coro::cede;	3586	cf::cede_to_tick;
2744	}	3587	}
2745		3588
2746	cf::anim::invalidate_all; # d'oh	3589	cf::anim::invalidate_all; # d'oh
2747	}	3590	}
2748		3591
		3592	{
		3593	my $res = $facedata->{resource};
		3594
		3595	while (my ($name, $info) = each %$res) {
		3596	if (defined (my $type = $info->{type})) {
		3597	# TODO: different hash - must free and use new index, or cache ixface data queue
		3598	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3599
		3600	cf::face::set_type $idx, $type;
		3601	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3602	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3603	$FACEHASH{$info->{hash}} = $idx;#d#
		3604	} else {
		3605	# $RESOURCE{$name} = $info; # unused
		3606	}
		3607
		3608	cf::cede_to_tick;
		3609	}
		3610	}
		3611
		3612	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3613
2749	1	3614	1
2750	}	3615	}
2751		3616
		3617	register_exticmd fx_want => sub {
		3618	my ($ns, $want) = @_;
		3619
		3620	while (my ($k, $v) = each %$want) {
		3621	$ns->fx_want ($k, $v);
		3622	}
		3623	};
		3624
		3625	sub load_resource_file($) {
		3626	my $guard = lock_acquire "load_resource_file";
		3627
		3628	my $status = load_resource_file_ $_[0];
		3629	get_slot 0.1, 100;
		3630	cf::arch::commit_load;
		3631
		3632	$status
		3633	}
		3634
		3635	sub reload_exp_table {
		3636	_reload_exp_table;
		3637
		3638	add_face "res/exp_table" => FT_RSRC,
		3639	JSON::XS->new->utf8->canonical->encode (
		3640	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3641	);
		3642	}
		3643
		3644	sub reload_materials {
		3645	_reload_materials;
		3646	}
		3647
2752	sub reload_regions {	3648	sub reload_regions {
		3649	# HACK to clear player env face cache, we need some signal framework
		3650	# for this (global event?)
		3651	%ext::player_env::MUSIC_FACE_CACHE = ();
		3652
2753	load_resource_file "$MAPDIR/regions"	3653	load_resource_file "$MAPDIR/regions"
2754	or die "unable to load regions file\n";	3654	or die "unable to load regions file\n";
		3655
		3656	for (cf::region::list) {
		3657	$_->{match} = qr/$_->{match}/
		3658	if exists $_->{match};
		3659	}
2755	}	3660	}
2756		3661
2757	sub reload_facedata {	3662	sub reload_facedata {
2758	load_facedata "$DATADIR/facedata"	3663	load_facedata "$DATADIR/facedata"
2759	or die "unable to load facedata\n";	3664	or die "unable to load facedata\n";
2760	}	3665	}
2761		3666
2762	sub reload_archetypes {	3667	sub reload_archetypes {
2763	load_resource_file "$DATADIR/archetypes"	3668	load_resource_file "$DATADIR/archetypes"
2764	or die "unable to load archetypes\n";	3669	or die "unable to load archetypes\n";
2765	#d# NEED to laod twice to resolve forward references	3670
2766	# this really needs to be done in an extra post-pass	3671	add_face "res/skill_info" => FT_RSRC,
2767	# (which needs to be synchronous, so solve it differently)	3672	JSON::XS->new->utf8->canonical->encode (
2768	load_resource_file "$DATADIR/archetypes"	3673	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
2769	or die "unable to load archetypes\n";	3674	);
		3675	add_face "res/spell_paths" => FT_RSRC,
		3676	JSON::XS->new->utf8->canonical->encode (
		3677	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3678	);
2770	}	3679	}
2771		3680
2772	sub reload_treasures {	3681	sub reload_treasures {
2773	load_resource_file "$DATADIR/treasures"	3682	load_resource_file "$DATADIR/treasures"
2774	or die "unable to load treasurelists\n";	3683	or die "unable to load treasurelists\n";
2775	}	3684	}
2776		3685
		3686	sub reload_sound {
		3687	trace "loading sound config from $DATADIR/sound\n";
		3688
		3689	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3690
		3691	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3692	my $sound = $soundconf->{compat}[$_]
		3693	or next;
		3694
		3695	my $face = cf::face::find "sound/$sound->[1]";
		3696	cf::sound::set $sound->[0] => $face;
		3697	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3698	}
		3699
		3700	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3701	my $face = cf::face::find "sound/$v";
		3702	cf::sound::set $k => $face;
		3703	}
		3704	}
		3705
		3706	sub reload_pod {
		3707	trace "loading pods $PODDIR\n";
		3708
		3709	my @command_help;
		3710
		3711	for (
		3712	[0, "command_help"],
		3713	[1, "emote_help"],
		3714	[2, "dmcommand_help"],
		3715	) {
		3716	my ($type, $path) = @$_;
		3717
		3718	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3719	or die "unable to load $path";
		3720
		3721	my $level = 1e9;
		3722
		3723	for my $par (@$paragraphs) {
		3724	if ($par->{type} eq "head2") {
		3725	# this code taken almost verbatim from DC/Protocol.pm
		3726
		3727	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3728	my $cmd = $1;
		3729	my @args = split /\|/, $2;
		3730	@args = (".*") unless @args;
		3731
		3732	$_ = $_ eq ".*" ? "" : " $_"
		3733	for @args;
		3734
		3735	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3736
		3737	push @command_help, [$type, \@variants, &cf::pod::as_cfpod ([$par])];
		3738	$level = $par->{level};
		3739	} else {
		3740	error "$par->{markup}: unparsable command heading";
		3741	}
		3742	} elsif ($par->{level} > $level) {
		3743	$command_help[-1][2] .= &cf::pod::as_cfpod ([$par]);
		3744	}
		3745
		3746	cf::cede_to_tick;
		3747	}
		3748	}
		3749
		3750	@command_help = sort {
		3751	$a->[0] <=> $b->[0]
		3752	or $a->[1] cmp $b->[1]
		3753	} @command_help;
		3754
		3755	cf::cede_to_tick;
		3756
		3757	add_face "res/command_help" => FT_RSRC,
		3758	JSON::XS->new->utf8->encode (\@command_help);
		3759	}
		3760
2777	sub reload_resources {	3761	sub reload_resources {
2778	warn "reloading resource files...\n";	3762	trace "reloading resource files...\n";
2779		3763
		3764	reload_materials;
		3765	reload_facedata;
		3766	reload_exp_table;
		3767	reload_sound;
		3768	reload_archetypes;
2780	reload_regions;	3769	reload_regions;
2781	reload_facedata;
2782	#reload_archetypes;#d#
2783	reload_archetypes;
2784	reload_treasures;	3770	reload_treasures;
		3771	reload_pod;
2785		3772
2786	warn "finished reloading resource files\n";	3773	trace "finished reloading resource files\n";
2787	}	3774	}
2788		3775
2789	sub init {	3776	sub reload_config {
2790	reload_resources;	3777	trace "reloading config file...\n";
2791	}
2792		3778
2793	sub cfg_load {	3779	my $config = load_file "$CONFDIR/config";
2794	open my $fh, "<:utf8", "$CONFDIR/config"	3780	utf8::decode $config;
2795	or return;	3781	*CFG = decode_yaml $config;
2796		3782
2797	local $/;
2798	*CFG = YAML::Syck::Load <$fh>;
2799
2800	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3783	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2801		3784
2802	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3785	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2803	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3786	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2804		3787
2805	if (exists $CFG{mlockall}) {	3788	if (exists $CFG{mlockall}) {
…		…
2809	};	3792	};
2810	warn $@ if $@;	3793	warn $@ if $@;
2811	}	3794	}
2812	}	3795	}
2813		3796
		3797	sub pidfile() {
		3798	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3799	or die "$PIDFILE: $!";
		3800	flock $fh, &Fcntl::LOCK_EX
		3801	or die "$PIDFILE: flock: $!";
		3802	$fh
		3803	}
		3804
		3805	# make sure only one server instance is running at any one time
		3806	sub atomic {
		3807	my $fh = pidfile;
		3808
		3809	my $pid = <$fh>;
		3810	kill 9, $pid if $pid > 0;
		3811
		3812	seek $fh, 0, 0;
		3813	print $fh $$;
		3814	}
		3815
		3816	sub main_loop {
		3817	trace "EV::loop starting\n";
		3818	if (1) {
		3819	EV::loop;
		3820	}
		3821	trace "EV::loop returned\n";
		3822	goto &main_loop unless $REALLY_UNLOOP;
		3823	}
		3824
2814	sub main {	3825	sub main {
		3826	cf::init_globals; # initialise logging
		3827
		3828	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3829	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3830	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3831	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3832
		3833	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3834
2815	# we must not ever block the main coroutine	3835	# we must not ever block the main coroutine
2816	local $Coro::idle = sub {	3836	$Coro::idle = sub {
2817	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3837	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2818	(async {	3838	(async {
2819	Event::one_event;	3839	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3840	EV::loop EV::LOOP_ONESHOT;
2820	})->prio (Coro::PRIO_MAX);	3841	})->prio (Coro::PRIO_MAX);
2821	};	3842	};
2822		3843
2823	cfg_load;	3844	evthread_start IO::AIO::poll_fileno;
		3845
		3846	cf::sync_job {
		3847	cf::incloader::init ();
		3848
2824	db_init;	3849	db_init;
		3850
		3851	cf::init_anim;
		3852	cf::init_attackmess;
		3853	cf::init_dynamic;
		3854
		3855	cf::load_settings;
		3856
		3857	reload_resources;
		3858	reload_config;
		3859
		3860	cf::init_uuid;
		3861	cf::init_signals;
		3862	cf::init_skills;
		3863
		3864	cf::init_beforeplay;
		3865
		3866	atomic;
		3867
2825	load_extensions;	3868	load_extensions;
2826		3869
2827	$TICK_WATCHER->start;	3870	utime time, time, $RUNTIMEFILE;
2828	Event::loop;	3871
		3872	# no (long-running) fork's whatsoever before this point(!)
		3873	use POSIX ();
		3874	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3875
		3876	cf::_post_init 0;
		3877	};
		3878
		3879	cf::object::thawer::errors_are_fatal 0;
		3880	info "parse errors in files are no longer fatal from this point on.\n";
		3881
		3882	AE::postpone {
		3883	undef &main; # free gobs of memory :)
		3884	};
		3885
		3886	goto &main_loop;
2829	}	3887	}
2830		3888
2831	#############################################################################	3889	#############################################################################
2832	# initialisation and cleanup	3890	# initialisation and cleanup
2833		3891
2834	# install some emergency cleanup handlers	3892	# install some emergency cleanup handlers
2835	BEGIN {	3893	BEGIN {
		3894	our %SIGWATCHER = ();
2836	for my $signal (qw(INT HUP TERM)) {	3895	for my $signal (qw(INT HUP TERM)) {
2837	Event->signal (	3896	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2838	reentrant => 0,
2839	data => WF_AUTOCANCEL,
2840	signal => $signal,
2841	prio => 0,
2842	cb => sub {
2843	cf::cleanup "SIG$signal";	3897	cf::cleanup "SIG$signal";
2844	},
2845	);	3898	};
2846	}	3899	}
2847	}	3900	}
2848		3901
2849	sub write_runtime {	3902	sub write_runtime_sync {
2850	my $runtime = "$LOCALDIR/runtime";	3903	my $t0 = AE::time;
2851		3904
2852	# first touch the runtime file to show we are still running:	3905	# first touch the runtime file to show we are still running:
2853	# the fsync below can take a very very long time.	3906	# the fsync below can take a very very long time.
2854		3907
2855	IO::AIO::aio_utime $runtime, undef, undef;	3908	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2856		3909
2857	my $guard = cf::lock_acquire "write_runtime";	3910	my $guard = cf::lock_acquire "write_runtime";
2858		3911
2859	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3912	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2860	or return;	3913	or return;
2861		3914
2862	my $value = $cf::RUNTIME + 90 + 10;	3915	my $value = $cf::RUNTIME + 90 + 10;
2863	# 10 is the runtime save interval, for a monotonic clock	3916	# 10 is the runtime save interval, for a monotonic clock
2864	# 60 allows for the watchdog to kill the server.	3917	# 60 allows for the watchdog to kill the server.
…		…
2874	aio_utime $fh, undef, undef;	3927	aio_utime $fh, undef, undef;
2875		3928
2876	close $fh	3929	close $fh
2877	or return;	3930	or return;
2878		3931
2879	aio_rename "$runtime~", $runtime	3932	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2880	and return;	3933	and return;
2881		3934
2882	warn "runtime file written.\n";	3935	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2883		3936
2884	1	3937	1
		3938	}
		3939
		3940	our $uuid_lock;
		3941	our $uuid_skip;
		3942
		3943	sub write_uuid_sync($) {
		3944	$uuid_skip ||= $_[0];
		3945
		3946	return if $uuid_lock;
		3947	local $uuid_lock = 1;
		3948
		3949	my $uuid = "$LOCALDIR/uuid";
		3950
		3951	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3952	or return;
		3953
		3954	my $value = uuid_seq uuid_cur;
		3955
		3956	unless ($value) {
		3957	info "cowardly refusing to write zero uuid value!\n";
		3958	return;
		3959	}
		3960
		3961	my $value = uuid_str $value + $uuid_skip;
		3962	$uuid_skip = 0;
		3963
		3964	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3965	and return;
		3966
		3967	# always fsync - this file is important
		3968	aio_fsync $fh
		3969	and return;
		3970
		3971	close $fh
		3972	or return;
		3973
		3974	aio_rename "$uuid~", $uuid
		3975	and return;
		3976
		3977	trace "uuid file written ($value).\n";
		3978
		3979	1
		3980
		3981	}
		3982
		3983	sub write_uuid($$) {
		3984	my ($skip, $sync) = @_;
		3985
		3986	$sync ? write_uuid_sync $skip
		3987	: async { write_uuid_sync $skip };
2885	}	3988	}
2886		3989
2887	sub emergency_save() {	3990	sub emergency_save() {
2888	my $freeze_guard = cf::freeze_mainloop;	3991	my $freeze_guard = cf::freeze_mainloop;
2889		3992
2890	warn "enter emergency perl save\n";	3993	info "emergency_perl_save: enter\n";
		3994
		3995	# this is a trade-off: we want to be very quick here, so
		3996	# save all maps without fsync, and later call a global sync
		3997	# (which in turn might be very very slow)
		3998	local $USE_FSYNC = 0;
2891		3999
2892	cf::sync_job {	4000	cf::sync_job {
		4001	cf::write_runtime_sync; # external watchdog should not bark
		4002
2893	# use a peculiar iteration method to avoid tripping on perl	4003	# use a peculiar iteration method to avoid tripping on perl
2894	# refcount bugs in for. also avoids problems with players	4004	# refcount bugs in for. also avoids problems with players
2895	# and maps saved/destroyed asynchronously.	4005	# and maps saved/destroyed asynchronously.
2896	warn "begin emergency player save\n";	4006	info "emergency_perl_save: begin player save\n";
2897	for my $login (keys %cf::PLAYER) {	4007	for my $login (keys %cf::PLAYER) {
2898	my $pl = $cf::PLAYER{$login} or next;	4008	my $pl = $cf::PLAYER{$login} or next;
2899	$pl->valid or next;	4009	$pl->valid or next;
		4010	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2900	$pl->save;	4011	$pl->save;
2901	}	4012	}
2902	warn "end emergency player save\n";	4013	info "emergency_perl_save: end player save\n";
2903		4014
2904	warn "begin emergency map save\n";	4015	cf::write_runtime_sync; # external watchdog should not bark
		4016
		4017	info "emergency_perl_save: begin map save\n";
2905	for my $path (keys %cf::MAP) {	4018	for my $path (keys %cf::MAP) {
2906	my $map = $cf::MAP{$path} or next;	4019	my $map = $cf::MAP{$path} or next;
2907	$map->valid or next;	4020	$map->valid or next;
2908	$map->save;	4021	$map->save;
2909	}	4022	}
2910	warn "end emergency map save\n";	4023	info "emergency_perl_save: end map save\n";
2911		4024
2912	warn "begin emergency database checkpoint\n";	4025	cf::write_runtime_sync; # external watchdog should not bark
		4026
		4027	info "emergency_perl_save: begin database checkpoint\n";
2913	BDB::db_env_txn_checkpoint $DB_ENV;	4028	BDB::db_env_txn_checkpoint $DB_ENV;
2914	warn "end emergency database checkpoint\n";	4029	info "emergency_perl_save: end database checkpoint\n";
		4030
		4031	info "emergency_perl_save: begin write uuid\n";
		4032	write_uuid_sync 1;
		4033	info "emergency_perl_save: end write uuid\n";
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
		4036
		4037	trace "emergency_perl_save: syncing database to disk";
		4038	BDB::db_env_txn_checkpoint $DB_ENV;
		4039
		4040	info "emergency_perl_save: starting sync\n";
		4041	IO::AIO::aio_sync sub {
		4042	info "emergency_perl_save: finished sync\n";
		4043	};
		4044
		4045	cf::write_runtime_sync; # external watchdog should not bark
		4046
		4047	trace "emergency_perl_save: flushing outstanding aio requests";
		4048	while (IO::AIO::nreqs || BDB::nreqs) {
		4049	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4050	}
		4051
		4052	cf::write_runtime_sync; # external watchdog should not bark
2915	};	4053	};
2916		4054
2917	warn "leave emergency perl save\n";	4055	info "emergency_perl_save: leave\n";
2918	}	4056	}
2919		4057
2920	sub post_cleanup {	4058	sub post_cleanup {
2921	my ($make_core) = @_;	4059	my ($make_core) = @_;
2922		4060
		4061	IO::AIO::flush;
		4062
2923	warn Carp::longmess "post_cleanup backtrace"	4063	error Carp::longmess "post_cleanup backtrace"
2924	if $make_core;	4064	if $make_core;
		4065
		4066	my $fh = pidfile;
		4067	unlink $PIDFILE if <$fh> == $$;
		4068	}
		4069
		4070	# a safer delete_package, copied from Symbol
		4071	sub clear_package($) {
		4072	my $pkg = shift;
		4073
		4074	# expand to full symbol table name if needed
		4075	unless ($pkg =~ /^main::.*::$/) {
		4076	$pkg = "main$pkg" if $pkg =~ /^::/;
		4077	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4078	$pkg .= '::' unless $pkg =~ /::$/;
		4079	}
		4080
		4081	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4082	my $stem_symtab = *{$stem}{HASH};
		4083
		4084	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4085	or return;
		4086
		4087	# clear all symbols
		4088	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4089	for my $name (keys %$leaf_symtab) {
		4090	_gv_clear *{"$pkg$name"};
		4091	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4092	}
2925	}	4093	}
2926		4094
2927	sub do_reload_perl() {	4095	sub do_reload_perl() {
2928	# can/must only be called in main	4096	# can/must only be called in main
2929	if ($Coro::current != $Coro::main) {	4097	unless (in_main) {
2930	warn "can only reload from main coroutine";	4098	error "can only reload from main coroutine";
2931	return;	4099	return;
2932	}	4100	}
2933		4101
2934	warn "reloading...";	4102	return if $RELOAD++;
2935		4103
2936	warn "entering sync_job";	4104	my $t1 = AE::time;
2937		4105
		4106	while ($RELOAD) {
		4107	cf::get_slot 0.1, -1, "reload_perl";
		4108	info "perl_reload: reloading...";
		4109
		4110	trace "perl_reload: entering sync_job";
		4111
2938	cf::sync_job {	4112	cf::sync_job {
2939	cf::write_runtime; # external watchdog should not bark
2940	cf::emergency_save;	4113	#cf::emergency_save;
2941	cf::write_runtime; # external watchdog should not bark
2942		4114
2943	warn "syncing database to disk";
2944	BDB::db_env_txn_checkpoint $DB_ENV;
2945
2946	# if anything goes wrong in here, we should simply crash as we already saved
2947
2948	warn "cancelling all WF_AUTOCANCEL watchers";
2949	for (Event::all_watchers) {
2950	$_->cancel if $_->data & WF_AUTOCANCEL;
2951	}
2952
2953	warn "flushing outstanding aio requests";
2954	for (;;) {
2955	BDB::flush;
2956	IO::AIO::flush;
2957	Coro::cede;
2958	last unless IO::AIO::nreqs || BDB::nreqs;
2959	warn "iterate...";
2960	}
2961
2962	++$RELOAD;
2963
2964	warn "cancelling all extension coros";	4115	trace "perl_reload: cancelling all extension coros";
2965	$_->cancel for values %EXT_CORO;	4116	$_->cancel for values %EXT_CORO;
2966	%EXT_CORO = ();	4117	%EXT_CORO = ();
2967		4118
2968	warn "removing commands";	4119	trace "perl_reload: removing commands";
2969	%COMMAND = ();	4120	%COMMAND = ();
2970		4121
2971	warn "removing ext/exti commands";	4122	trace "perl_reload: removing ext/exti commands";
2972	%EXTCMD = ();	4123	%EXTCMD = ();
2973	%EXTICMD = ();	4124	%EXTICMD = ();
2974		4125
2975	warn "unloading/nuking all extensions";	4126	trace "perl_reload: unloading/nuking all extensions";
2976	for my $pkg (@EXTS) {	4127	for my $pkg (@EXTS) {
2977	warn "... unloading $pkg";	4128	trace "... unloading $pkg";
2978		4129
2979	if (my $cb = $pkg->can ("unload")) {	4130	if (my $cb = $pkg->can ("unload")) {
2980	eval {	4131	eval {
2981	$cb->($pkg);	4132	$cb->($pkg);
2982	1	4133	1
2983	} or warn "$pkg unloaded, but with errors: $@";	4134	} or error "$pkg unloaded, but with errors: $@";
		4135	}
		4136
		4137	trace "... clearing $pkg";
		4138	clear_package $pkg;
2984	}	4139	}
2985		4140
2986	warn "... nuking $pkg";
2987	Symbol::delete_package $pkg;
2988	}
2989
2990	warn "unloading all perl modules loaded from $LIBDIR";	4141	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2991	while (my ($k, $v) = each %INC) {	4142	while (my ($k, $v) = each %INC) {
2992	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4143	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2993		4144
2994	warn "... unloading $k";	4145	trace "... unloading $k";
2995	delete $INC{$k};	4146	delete $INC{$k};
2996		4147
2997	$k =~ s/\.pm$//;	4148	$k =~ s/\.pm$//;
2998	$k =~ s/\//::/g;	4149	$k =~ s/\//::/g;
2999		4150
3000	if (my $cb = $k->can ("unload_module")) {	4151	if (my $cb = $k->can ("unload_module")) {
3001	$cb->();	4152	$cb->();
		4153	}
		4154
		4155	clear_package $k;
3002	}	4156	}
3003		4157
3004	Symbol::delete_package $k;
3005	}
3006
3007	warn "getting rid of safe::, as good as possible";	4158	trace "perl_reload: getting rid of safe::, as good as possible";
3008	Symbol::delete_package "safe::$_"	4159	clear_package "safe::$_"
3009	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4160	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3010		4161
3011	warn "unloading cf.pm \"a bit\"";	4162	trace "perl_reload: unloading cf.pm \"a bit\"";
3012	delete $INC{"cf.pm"};	4163	delete $INC{"cf.pm"};
3013	delete $INC{"cf/pod.pm"};	4164	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3014		4165
3015	# don't, removes xs symbols, too,	4166	# don't, removes xs symbols, too,
3016	# and global variables created in xs	4167	# and global variables created in xs
3017	#Symbol::delete_package __PACKAGE__;	4168	#clear_package __PACKAGE__;
3018		4169
3019	warn "unload completed, starting to reload now";	4170	info "perl_reload: unload completed, starting to reload now";
3020		4171
3021	warn "reloading cf.pm";	4172	trace "perl_reload: reloading cf.pm";
3022	require cf;	4173	require cf;
3023	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4174	cf::_connect_to_perl_1;
3024		4175
3025	warn "loading config and database again";	4176	trace "perl_reload: loading config and database again";
3026	cf::cfg_load;	4177	cf::reload_config;
3027		4178
3028	warn "loading extensions";	4179	trace "perl_reload: loading extensions";
3029	cf::load_extensions;	4180	cf::load_extensions;
3030		4181
		4182	if ($REATTACH_ON_RELOAD) {
3031	warn "reattaching attachments to objects/players";	4183	trace "perl_reload: reattaching attachments to objects/players";
3032	_global_reattach; # objects, sockets	4184	_global_reattach; # objects, sockets
3033	warn "reattaching attachments to maps";	4185	trace "perl_reload: reattaching attachments to maps";
3034	reattach $_ for values %MAP;	4186	reattach $_ for values %MAP;
3035	warn "reattaching attachments to players";	4187	trace "perl_reload: reattaching attachments to players";
3036	reattach $_ for values %PLAYER;	4188	reattach $_ for values %PLAYER;
		4189	}
3037		4190
3038	warn "leaving sync_job";	4191	cf::_post_init 1;
3039		4192
		4193	trace "perl_reload: leaving sync_job";
		4194
3040	1	4195	1
3041	} or do {	4196	} or do {
3042	warn $@;	4197	error $@;
3043	warn "error while reloading, exiting.";	4198	cf::cleanup "perl_reload: error, exiting.";
3044	exit 1;	4199	};
		4200
		4201	--$RELOAD;
3045	};	4202	}
3046		4203
3047	warn "reloaded";	4204	$t1 = AE::time - $t1;
		4205	info "perl_reload: completed in ${t1}s\n";
3048	};	4206	};
3049		4207
3050	our $RELOAD_WATCHER; # used only during reload	4208	our $RELOAD_WATCHER; # used only during reload
3051		4209
3052	sub reload_perl() {	4210	sub reload_perl() {
3053	# doing reload synchronously and two reloads happen back-to-back,	4211	# doing reload synchronously and two reloads happen back-to-back,
3054	# coro crashes during coro_state_free->destroy here.	4212	# coro crashes during coro_state_free->destroy here.
3055		4213
3056	$RELOAD_WATCHER ||= Event->timer (	4214	$RELOAD_WATCHER ||= cf::async {
3057	reentrant => 0,	4215	Coro::AIO::aio_wait cache_extensions;
3058	after => 0,	4216
3059	data => WF_AUTOCANCEL,	4217	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3060	cb => sub {
3061	do_reload_perl;	4218	do_reload_perl;
3062	undef $RELOAD_WATCHER;	4219	undef $RELOAD_WATCHER;
3063	},	4220	};
3064	);	4221	};
3065	}	4222	}
3066		4223
3067	register_command "reload" => sub {	4224	register_command "reload" => sub {
3068	my ($who, $arg) = @_;	4225	my ($who, $arg) = @_;
3069		4226
3070	if ($who->flag (FLAG_WIZ)) {	4227	if ($who->flag (FLAG_WIZ)) {
3071	$who->message ("reloading server.");	4228	$who->message ("reloading server.");
		4229	async {
		4230	$Coro::current->{desc} = "perl_reload";
3072	async { reload_perl };	4231	reload_perl;
		4232	};
3073	}	4233	}
3074	};	4234	};
3075		4235
3076	unshift @INC, $LIBDIR;	4236	#############################################################################
3077		4237
3078	my $bug_warning = 0;	4238	my $bug_warning = 0;
3079		4239
3080	our @WAIT_FOR_TICK;
3081	our @WAIT_FOR_TICK_BEGIN;
3082
3083	sub wait_for_tick {	4240	sub wait_for_tick() {
3084	return unless $TICK_WATCHER->is_active;	4241	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3085	return if $Coro::current == $Coro::main;
3086		4242
3087	my $signal = new Coro::Signal;	4243	$WAIT_FOR_TICK->wait;
3088	push @WAIT_FOR_TICK, $signal;
3089	$signal->wait;
3090	}	4244	}
3091		4245
3092	sub wait_for_tick_begin {	4246	sub wait_for_tick_begin() {
3093	return unless $TICK_WATCHER->is_active;	4247	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3094	return if $Coro::current == $Coro::main;
3095		4248
3096	my $signal = new Coro::Signal;	4249	my $signal = new Coro::Signal;
3097	push @WAIT_FOR_TICK_BEGIN, $signal;	4250	push @WAIT_FOR_TICK_BEGIN, $signal;
3098	$signal->wait;	4251	$signal->wait;
3099	}	4252	}
3100		4253
3101	my $min = 1e6;#d#	4254	sub tick {
3102	my $avg = 10;
3103	$TICK_WATCHER = Event->timer (
3104	reentrant => 0,
3105	parked => 1,
3106	prio => 0,
3107	at => $NEXT_TICK || $TICK,
3108	data => WF_AUTOCANCEL,
3109	cb => sub {
3110	if ($Coro::current != $Coro::main) {	4255	if ($Coro::current != $Coro::main) {
3111	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4256	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3112	unless ++$bug_warning > 10;	4257	unless ++$bug_warning > 10;
3113	return;	4258	return;
3114	}	4259	}
3115		4260
3116	$NOW = $tick_start = Event::time;	4261	cf::one_tick; # one server iteration
3117		4262
3118	cf::server_tick; # one server iteration	4263	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3119		4264
3120	0 && sync_job {#d#	4265	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	for(1..10) {	4266	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3122	my $t = Event::time;	4267	Coro::async_pool {
3123	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4268	$Coro::current->{desc} = "runtime saver";
3124	or die;	4269	write_runtime_sync
3125		4270	or error "ERROR: unable to write runtime file: $!";
3126	$map->width (50);
3127	$map->height (50);
3128	$map->alloc;
3129	$map->_load_objects ("/tmp/x.map", 1);
3130	my $t = Event::time - $t;
3131
3132	#next unless $t < 0.0013;#d#
3133	if ($t < $min) {
3134	$min = $t;
3135	}
3136	$avg = $avg * 0.99 + $t * 0.01;
3137	}
3138	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3139	exit 0;
3140	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3141	};	4271	};
		4272	}
3142		4273
3143	$RUNTIME += $TICK;
3144	$NEXT_TICK += $TICK;
3145
3146	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3147	$NEXT_RUNTIME_WRITE = $NOW + 10;
3148	Coro::async_pool {
3149	write_runtime
3150	or warn "ERROR: unable to write runtime file: $!";
3151	};
3152	}
3153
3154	# my $AFTER = Event::time;
3155	# warn $AFTER - $NOW;#d#
3156
3157	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4274	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3158	$sig->send;	4275	$sig->send;
3159	}	4276	}
3160	while (my $sig = shift @WAIT_FOR_TICK) {	4277	$WAIT_FOR_TICK->broadcast;
3161	$sig->send;
3162	}
3163		4278
3164	$NOW = Event::time;	4279	$LOAD = ($NOW - $TICK_START) / $TICK;
3165
3166	# if we are delayed by four ticks or more, skip them all
3167	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3168
3169	$TICK_WATCHER->at ($NEXT_TICK);
3170	$TICK_WATCHER->start;
3171
3172	$LOAD = ($NOW - $tick_start) / $TICK;
3173	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4280	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3174		4281
3175	_post_tick;	4282	if (0) {
3176		4283	if ($NEXT_TICK) {
3177		4284	my $jitter = $TICK_START - $NEXT_TICK;
		4285	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4286	debug "jitter $JITTER\n";#d#
		4287	}
3178	},	4288	}
3179	);	4289	}
3180		4290
3181	{	4291	{
3182	BDB::max_poll_time $TICK * 0.1;	4292	# configure BDB
3183	$BDB_POLL_WATCHER = Event->io (	4293	info "initialising database";
3184	reentrant => 0,	4294
3185	fd => BDB::poll_fileno,
3186	poll => 'r',
3187	prio => 0,
3188	data => WF_AUTOCANCEL,
3189	cb => \&BDB::poll_cb,
3190	);
3191	BDB::min_parallel 8;	4295	BDB::min_parallel 16;
3192		4296	BDB::max_poll_reqs $TICK * 0.1;
3193	BDB::set_sync_prepare {	4297	#$AnyEvent::BDB::WATCHER->priority (1);
3194	my $status;
3195	my $current = $Coro::current;
3196	(
3197	sub {
3198	$status = $!;
3199	$current->ready; undef $current;
3200	},
3201	sub {
3202	Coro::schedule while defined $current;
3203	$! = $status;
3204	},
3205	)
3206	};
3207		4298
3208	unless ($DB_ENV) {	4299	unless ($DB_ENV) {
3209	$DB_ENV = BDB::db_env_create;	4300	$DB_ENV = BDB::db_env_create;
		4301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4302	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4303	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4304	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4305	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3210		4306
3211	cf::sync_job {	4307	cf::sync_job {
3212	eval {	4308	eval {
3213	BDB::db_env_open	4309	BDB::db_env_open
3214	$DB_ENV,	4310	$DB_ENV,
…		…
3216	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4312	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3217	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4313	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3218	0666;	4314	0666;
3219		4315
3220	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4316	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3221
3222	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3223	$DB_ENV->set_lk_detect;
3224	};	4317	};
3225		4318
3226	cf::cleanup "db_env_open(db): $@" if $@;	4319	cf::cleanup "db_env_open(db): $@" if $@;
3227	};	4320	};
3228	}	4321	}
		4322
		4323	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4324	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4325	};
		4326	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4327	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4328	};
		4329	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4330	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4331	};
		4332
		4333	info "database initialised";
3229	}	4334	}
3230		4335
3231	{	4336	{
		4337	# configure IO::AIO
		4338
		4339	info "initialising aio";
3232	IO::AIO::min_parallel 8;	4340	IO::AIO::min_parallel 8;
3233
3234	undef $Coro::AIO::WATCHER;
3235	IO::AIO::max_poll_time $TICK * 0.1;	4341	IO::AIO::max_poll_time $TICK * 0.1;
3236	$AIO_POLL_WATCHER = Event->io (	4342	undef $AnyEvent::AIO::WATCHER;
3237	reentrant => 0,	4343	info "aio initialised";
3238	data => WF_AUTOCANCEL,
3239	fd => IO::AIO::poll_fileno,
3240	poll => 'r',
3241	prio => 6,
3242	cb => \&IO::AIO::poll_cb,
3243	);
3244	}	4344	}
3245		4345
3246	my $_log_backtrace;	4346	our $_log_backtrace;
		4347	our $_log_backtrace_last;
3247		4348
3248	sub _log_backtrace {	4349	sub _log_backtrace {
3249	my ($msg, @addr) = @_;	4350	my ($msg, @addr) = @_;
3250		4351
3251	$msg =~ s/\n//;	4352	$msg =~ s/\n$//;
3252		4353
		4354	if ($_log_backtrace_last eq $msg) {
		4355	LOG llevInfo, "[ABT] $msg\n";
		4356	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3253	# limit the # of concurrent backtraces	4357	# limit the # of concurrent backtraces
3254	if ($_log_backtrace < 2) {	4358	} elsif ($_log_backtrace < 2) {
		4359	$_log_backtrace_last = $msg;
3255	++$_log_backtrace;	4360	++$_log_backtrace;
		4361	my $perl_bt = Carp::longmess $msg;
3256	async {	4362	async {
		4363	$Coro::current->{desc} = "abt $msg";
		4364
3257	my @bt = fork_call {	4365	my @bt = fork_call {
3258	@addr = map { sprintf "%x", $_ } @addr;	4366	@addr = map { sprintf "%x", $_ } @addr;
3259	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4367	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3260	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4368	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3261	or die "addr2line: $!";	4369	or die "addr2line: $!";
…		…
3269	}	4377	}
3270		4378
3271	@funcs	4379	@funcs
3272	};	4380	};
3273		4381
3274	LOG llevInfo, "[ABT] $msg\n";	4382	LOG llevInfo, "[ABT] $perl_bt\n";
		4383	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3275	LOG llevInfo, "[ABT] $_\n" for @bt;	4384	LOG llevInfo, "[ABT] $_\n" for @bt;
3276	--$_log_backtrace;	4385	--$_log_backtrace;
3277	};	4386	};
3278	} else {	4387	} else {
3279	LOG llevInfo, "[ABT] $msg\n";	4388	LOG llevInfo, "[ABT] $msg\n";
3280	LOG llevInfo, "[ABT] [suppressed]\n";	4389	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3281	}	4390	}
3282	}	4391	}
3283		4392
3284	# load additional modules	4393	# load additional modules
3285	use cf::pod;	4394	require "cf/$_.pm" for @EXTRA_MODULES;
		4395	cf::_connect_to_perl_2;
3286		4396
3287	END { cf::emergency_save }	4397	END { cf::emergency_save }
3288		4398
3289	1	4399	1
3290		4400

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