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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.308 by root, Mon Jul 16 14:09:40 2007 UTC vs.
Revision 1.593 by root, Fri Nov 9 01:59:33 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;	63	use Time::HiRes;
33	use Compress::LZF;	64	use Compress::LZF;
34	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
35		68
36	# configure various modules to our taste	69	# configure various modules to our taste
37	#	70	#
38	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
41		79
42	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
43		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
45	$YAML::Syck::ImplicitUnicode = 1;
46
47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
48		82
49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
50		86
51	our %COMMAND = ();	87	our %COMMAND = ();
52	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
53		89
54	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
55	our %EXTCMD = ();	91	our %EXTCMD = ();
56	our %EXTICMD = ();	92	our %EXTICMD = ();
57	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
58	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
59		95
60	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
61	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
62		100
63	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
64	our $DATADIR = datadir;	103	our $DATADIR = datadir;
65	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
66	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
67	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
68	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
69	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
72	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
73	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;
74		124
75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
76	our $TICK_WATCHER;
77	our $AIO_POLL_WATCHER;
78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
79	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;
80	our $NOW;	143	our $NOW;
81	our $USE_FSYNC = 1; # use fsync to write maps - default off
82		144
83	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
84	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
85
86	our %CFG;
87
88	our $UPTIME; $UPTIME ||= time;
89	our $RUNTIME;
90
91	our %PLAYER; # all users
92	our %MAP; # all maps
93	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
94		148
95	# 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 ∕
96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
97		151
98	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)
99	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
100	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 $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
101		164
102	binmode STDOUT;	165	binmode STDOUT;
103	binmode STDERR;	166	binmode STDERR;
104		167
105	# read virtual server time, if available	168	# read virtual server time, if available
106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
107	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
108	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
109	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
110	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
111		176
112	mkdir $_	177	mkdir $_
113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
114		179
115	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
116		181
117	sub cf::map::normalise;	182	sub cf::map::normalise;
118		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
119	#############################################################################	188	#############################################################################
120		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
121	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
122		202
123	=over 4	203	=over 4
124		204
125	=item $cf::UPTIME	205	=item $cf::UPTIME
126		206
127	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.
128		223
129	=item $cf::RUNTIME	224	=item $cf::RUNTIME
130		225
131	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
132	every server tick.	227	every server tick.
133		228
134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
137		232
138	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
140	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
141	database environment.	236	database environment.
142		237
143	=item $cf::NOW
144
145	The time of the last (current) server tick.
146
147	=item $cf::TICK
148
149	The interval between server ticks, in seconds.
150
151	=item $cf::LOADAVG	238	=item $cf::LOADAVG
152		239
153	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
154	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
155	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
158		245
159	The raw value load value from the last tick.	246	The raw value load value from the last tick.
160		247
161	=item %cf::CFG	248	=item %cf::CFG
162		249
163	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
164	from wherever your confdir points to.	251	from wherever your confdir points to.
165		252
166	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
167		254
168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
169	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
171		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$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
172	=back	288	=back
173		289
174	=cut	290	=cut
175		291
176	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
177	*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 {
178	my $msg = join "", @_;	299	my $msg = join "", @_;
179		300
180	$msg .= "\n"	301	$msg .= "\n"
181	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
182		303
183	$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;
184		305
185	utf8::encode $msg;
186	LOG llevError, $msg;	306	LOG llevWarn, $msg;
187	};	307	};
188	}	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	};
189		322
190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
200	for my $pkg (qw(	333	for my $pkg (qw(
201	cf::global cf::attachable	334	cf::global cf::attachable
202	cf::object cf::object::player	335	cf::object cf::object::player
203	cf::client cf::player	336	cf::client cf::player
204	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
205	cf::map cf::party cf::region	339	cf::party cf::region
206	)) {	340	)) {
207	no strict 'refs';
208	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
209	}	342	}
210		343
211	$Event::DIED = sub {	344	$EV::DIED = sub {
212	warn "error in event callback: @_";	345	warn "error in event callback: $@";
213	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
214		352
215	#############################################################################	353	#############################################################################
216		354
217	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
218		356
…		…
239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
240	$d	378	$d
241	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
242	}	380	}
243		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($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
244	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
245		435
246	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
247		437
248	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
249		439
250	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
251		441
252	=cut	442	=cut
253		443
254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
255		445
256	sub to_json ($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
257	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	}
258		510
259	=item cf::lock_wait $string	511	=item cf::lock_wait $string
260		512
261	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
262		514
263	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
264		516
265	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
266	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,
267	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
268	returned.	520	returned.
269		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
270	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
271	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
272		527
273	=item $locked = cf::lock_active $string	528	=item $locked = cf::lock_active $string
274		529
275	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.
276		531
277	=cut	532	=cut
278		533
279	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
280		535
281	sub lock_wait($) {	536	sub lock_wait($) {
282	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
283
284	# wait for lock, if any
285	while ($LOCK{$key}) {
286	push @{ $LOCK{$key} }, $Coro::current;
287	Coro::schedule;
288	}
289	}	538	}
290		539
291	sub lock_acquire($) {	540	sub lock_acquire($) {
292	my ($key) = @_;	541	$LOCKS->guard ($_[0])
293
294	# wait, to be sure we are not locked
295	lock_wait $key;
296
297	$LOCK{$key} = [];
298
299	Coro::guard {
300	# wake up all waiters, to be on the safe side
301	$_->ready for @{ delete $LOCK{$key} };
302	}
303	}	542	}
304		543
305	sub lock_active($) {	544	sub lock_active($) {
306	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
307
308	! ! $LOCK{$key}
309	}	546	}
310		547
311	sub freeze_mainloop {	548	sub freeze_mainloop {
312	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
313		550
314	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
315	$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($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
316	};	621	}
317	$TICK_WATCHER->stop;	622	};
318	$guard	623
		624	sub get_slot($;$$) {
		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	$sig->wait;
319	}	637	}
320		638
321	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
322		640
323	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
328		646
329	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
330		648
331	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
332		650
333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	651	The design of Deliantra requires that the main coroutine ($Coro::main)
334	is always able to handle events or runnable, as Crossfire TRT is only	652	is always able to handle events or runnable, as Deliantra is only
335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
336	acceptable.	654	acceptable.
337		655
338	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
339	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
…		…
343	=cut	661	=cut
344		662
345	sub sync_job(&) {	663	sub sync_job(&) {
346	my ($job) = @_;	664	my ($job) = @_;
347		665
348	if ($Coro::current == $Coro::main) {	666	if (in_main) {
349	my $time = Event::time;	667	my $time = AE::time;
350		668
351	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
352	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
353		671
354	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
355	# (but this is cancel-safe)	673
356	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
357		675
358	my $busy = 1;	676	my $busy = 1;
359	my @res;	677	my @res;
360		678
361	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
362	@res = eval { $job->() };	681	@res = eval { $job->() };
363	warn $@ if $@;	682	error $@ if $@;
364	undef $busy;	683	undef $busy;
365	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
366		685
367	while ($busy) {	686	while ($busy) {
368	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
369	}	691	}
		692	}
370		693
371	$time = Event::time - $time;	694	my $time = AE::time - $time;
372		695
373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
375
376	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
377		697
378	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
379	} else {	699	} else {
380	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
381		701
…		…
401	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
402		722
403	$coro	723	$coro
404	}	724	}
405		725
406	=item fork_call { }, $args	726	=item fork_call { }, @args
407		727
408	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
409	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
410	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
411	never block itself or use any form of Event handling.	731	never block itself or use any form of event handling.
412		732
413	=cut	733	=cut
414		734
415	sub _store_scalar {	735	sub post_fork {
416	open my $fh, ">", \my $buf	736	reset_signals;
417	or die "fork_call: cannot open fh-to-buf in child : $!";
418	Storable::store_fd $_[0], $fh;
419	close $fh;
420
421	$buf
422	}	737	}
423		738
424	sub fork_call(&@) {	739	sub fork_call(&@) {
425	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
426		741
427	# 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,
428	# or die "socketpair: $!";	743	# otherwise perl prematurely frees the stuff :/
429	pipe my $fh1, my $fh2	744	# TODO: investigate and fix (likely this will be rather laborious)
430	or die "pipe: $!";
431		745
432	if (my $pid = fork) {	746	my @res = Coro::Util::fork_eval {
433	close $fh2;	747	cf::post_fork;
		748	&$cb
		749	} @args;
434		750
435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	751	wantarray ? @res : $res[-1]
436	warn "pst<$res>" unless $res =~ /^pst/;	752	}
437	$res = Coro::Storable::thaw $res;
438		753
439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	754	sub objinfo {
440
441	Carp::confess $$res unless "ARRAY" eq ref $res;
442
443	return wantarray ? @$res : $res->[-1];
444	} else {
445	reset_signals;
446	local $SIG{__WARN__};
447	local $SIG{__DIE__};
448	# just in case, this hack effectively disables event
449	# in the child. cleaner and slower would be canceling all watchers,
450	# but this works for the time being.
451	local $Coro::idle;
452	$Coro::current->prio (Coro::PRIO_MAX);
453
454	eval {
455	close $fh1;
456
457	my @res = eval { $cb->(@args) };
458
459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
460	close $fh2;
461	};
462
463	warn $@ if $@;
464	_exit 0;
465	}	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
466	}	790	}
467		791
468	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
469		793
470	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
472	=item cf::db_put $family => $key => $value	796	=item cf::db_put $family => $key => $value
473		797
474	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
475	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).
476		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
477	=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	}
478		827
479	our $DB;	828	our $DB;
480		829
481	sub db_init {	830	sub db_init {
482	unless ($DB) {	831	$DB ||= db_table "db";
483	$DB = BDB::db_create $DB_ENV;
484
485	cf::sync_job {
486	eval {
487	$DB->set_flags (BDB::CHKSUM);
488
489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
491	cf::cleanup "db_open(db): $!" if $!;
492	};
493	cf::cleanup "db_open(db): $@" if $@;
494	};
495	}
496	}	832	}
497		833
498	sub db_get($$) {	834	sub db_get($$) {
499	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
500		836
501	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
502	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
503		841
504	$! ? ()	842	$! ? ()
505	: $data	843	: $data
506	}
507	}	844	}
508		845
509	sub db_put($$$) {	846	sub db_put($$$) {
510	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
539		876
540	my @data;	877	my @data;
541	my $md5;	878	my $md5;
542		879
543	for (0 .. $#$src) {	880	for (0 .. $#$src) {
544	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
545	or Carp::croak "$src->[$_]: $!";
546	}	882	}
547		883
548	# if processing is expensive, check	884	# if processing is expensive, check
549	# checksum first	885	# checksum first
550	if (1) {	886	if (1) {
551	$md5 =	887	$md5 =
552	join "\x00",	888	join "\x00",
553	$processversion,	889	$processversion,
554	map {	890	map {
555	Coro::cede;	891	cf::cede_to_tick;
556	($src->[$_], Digest::MD5::md5_hex $data[$_])	892	($src->[$_], Digest::MD5::md5_hex $data[$_])
557	} 0.. $#$src;	893	} 0.. $#$src;
558		894
559		895
560	my $dbmd5 = db_get cache => "$id/md5";	896	my $dbmd5 = db_get cache => "$id/md5";
…		…
567		903
568	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
569	my $data = $process->(\@data);	905	my $data = $process->(\@data);
570	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
571		907
572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
573		909
574	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
575	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
576	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
577		913
…		…
587		923
588	=cut	924	=cut
589		925
590	sub datalog($@) {	926	sub datalog($@) {
591	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
593	}	929	}
594		930
595	=back	931	=back
596		932
597	=cut	933	=cut
598		934
599	#############################################################################	935	#############################################################################
600		936
601	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
602		938
603	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
604	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")
605	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
606		942
607	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>
608	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
609	Crossfire TRT).	945	Deliantra).
610		946
611	=over 4	947	=over 4
612		948
613	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
614		950
…		…
658	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
659		995
660	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
661	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
662		998
663	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
664	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.
665		1001
666	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
667		1003
668	=over 4	1004	=over 4
…		…
792		1128
793	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
794	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
795		1131
796	} elsif (ref $type) {	1132	} elsif (ref $type) {
797	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
798		1134
799	} else {	1135	} else {
800	shift @arg;	1136	shift @arg;
801	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
802	}	1138	}
803	}	1139	}
804	}	1140	}
805		1141
806	sub _object_attach {	1142	sub _object_attach {
…		…
816	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
817	}	1153	}
818		1154
819	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
820	} else {	1156	} else {
821	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
822	}	1158	}
823		1159
824	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
825	}	1161	}
826		1162
…		…
866	";	1202	";
867	die if $@;	1203	die if $@;
868	}	1204	}
869		1205
870	our $override;	1206	our $override;
871	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?
872		1208
873	sub override {	1209	sub override {
874	$override = 1;	1210	$override = 1;
875	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
876	}	1212	}
877		1213
878	sub do_invoke {	1214	sub do_invoke {
879	my $event = shift;	1215	my $event = shift;
880	my $callbacks = shift;	1216	my $callbacks = shift;
881		1217
882	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
883		1219
884	local $override;	1220	local $override;
885		1221
886	for (@$callbacks) {	1222	for (@$callbacks) {
887	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
888		1224
889	if ($@) {	1225	if ($@) {
890	warn "$@";
891	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
892	override;	1227	override;
893	}	1228	}
894		1229
895	return 1 if $override;	1230	return 1 if $override;
896	}	1231	}
897		1232
898	0	1233	0
899	}	1234	}
900		1235
901	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
902		1237
903	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
904		1239
905	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
906		1241
907	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
908	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
909	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
910		1245
911	=back	1246	=back
912		1247
913	=cut	1248	=cut
914		1249
915	#############################################################################	1250	#############################################################################
916	# 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	}
917		1294
918	sub reattach {	1295	sub reattach {
919	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
920	my ($obj) = @_;	1297	my ($obj) = @_;
921		1298
		1299	# no longer needed after getting rid of delete_package?
922	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
923		1301
924	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
925		1303
926	@$registry = ();	1304	@$registry = ();
927		1305
…		…
932	for (@$attach) {	1310	for (@$attach) {
933	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
934	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
935	}	1313	}
936	} else {	1314	} else {
937	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
938	}	1316	}
939	}	1317	}
940	}	1318	}
941		1319
942	cf::attachable->attach (	1320	cf::attachable->attach (
943	prio => -1000000,	1321	prio => -1000000,
944	on_instantiate => sub {	1322	on_instantiate => sub {
945	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
946		1324
947	$data = from_json $data;	1325	$data = decode_json $data;
948		1326
949	for (@$data) {	1327	for (@$data) {
950	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
951		1329
952	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
968	sub object_freezer_save {	1346	sub object_freezer_save {
969	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
970		1348
971	sync_job {	1349	sync_job {
972	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
973	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
974	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
975		1355
976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
977	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
979	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	}
980	close $fh;	1363	aio_close $fh;
981		1364
982	if (@$objs) {	1365	if (@$objs) {
983	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) {
984	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
985	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
986	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
987	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	}
988	close $fh;	1374	aio_close $fh;
989	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
990	}	1376	}
991	} else {	1377	} else {
992	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
993	}	1379	}
994		1380
995	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
996	} else {	1385	} else {
997	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
998	}	1387	}
999	} else {	1388	} else {
1000	aio_unlink $filename;	1389	aio_unlink $filename;
1001	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1002	}	1391	}
1003	}	1392	};
1004	}	1393	}
1005		1394
1006	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
1007	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
1008		1397
…		…
1020	or return;	1409	or return;
1021		1410
1022	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
1023	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
1024	or return;	1413	or return;
		1414
1025	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
1026	}	1417	}
1027		1418
		1419	utf8::decode (my $decname = $filename);
1028	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1029	$filename, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
1030	return ($data, $av);	1424	($data, $av)
1031	}	1425	}
1032		1426
1033	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
1034		1428
1035	=over 4	1429	=over 4
…		…
1037	=cut	1431	=cut
1038		1432
1039	#############################################################################	1433	#############################################################################
1040	# command handling &c	1434	# command handling &c
1041		1435
1042	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args)
1043		1437
1044	Register a callback for execution when the client sends the user command	1438	Register a callback for execution when the client sends the user command
1045	$name.	1439	$name.
1046		1440
1047	=cut	1441	=cut
…		…
1053	#warn "registering command '$name/$time' to '$caller'";	1447	#warn "registering command '$name/$time' to '$caller'";
1054		1448
1055	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
1056	}	1450	}
1057		1451
1058	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet)
1059		1453
1060	Register a callback for execution when the client sends an (synchronous)	1454	Register a callback for execution when the client sends an (synchronous)
1061	extcmd packet. Ext commands will be processed in the order they are	1455	extcmd packet. Ext commands will be processed in the order they are
1062	received by the server, like other user commands. The first argument is	1456	received by the server, like other user commands. The first argument is
1063	the logged-in player. Ext commands can only be processed after a player	1457	the logged-in player. Ext commands can only be processed after a player
1064	has logged in successfully.	1458	has logged in successfully.
1065		1459
1066	If the callback returns something, it is sent back as if reply was being	1460	If the callback returns something, it is sent back as if reply was being
1067	called.	1461	called.
1068		1462
1069	=item cf::register_exticmd $name => \&callback($ns,$packet);	1463	=item cf::register_exticmd $name => \&callback($ns,$packet)
1070		1464
1071	Register a callback for execution when the client sends an (asynchronous)	1465	Register a callback for execution when the client sends an (asynchronous)
1072	exticmd packet. Exti commands are processed by the server as soon as they	1466	exticmd packet. Exti commands are processed by the server as soon as they
1073	are received, i.e. out of order w.r.t. other commands. The first argument	1467	are received, i.e. out of order w.r.t. other commands. The first argument
1074	is a client socket. Exti commands can be received anytime, even before	1468	is a client socket. Exti commands can be received anytime, even before
…		…
1089	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1090		1484
1091	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1092	}	1486	}
1093		1487
		1488	use File::Glob ();
		1489
1094	cf::player->attach (	1490	cf::player->attach (
1095	on_command => sub {	1491	on_unknown_command => sub {
1096	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1097		1493
1098	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1099	or return;	1495	or return;
1100		1496
…		…
1108	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1109		1505
1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1111		1507
1112	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
1114	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
1115	$pl->ext_reply ($msg->{msgid}, %reply);
1116	}
1117	}	1515	}
		1516
		1517	$pl->ext_msg ("reply-$reply", @reply)
		1518	if $reply;
		1519
1118	} else {	1520	} else {
1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1120	}	1522	}
1121		1523
1122	cf::override;	1524	cf::override;
1123	},	1525	},
1124	);	1526	);
1125		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
1126	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1127	cf::sync_job {	1557	cf::sync_job {
1128	my %todo;	1558	my %todo;
1129		1559
1130	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1131	next unless -r $path;	1561	next unless -r $path;
…		…
1149		1579
1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1152		1582
1153	$ext{source} =	1583	$ext{source} =
1154	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1155	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1156	. $source	1586	. $source
1157	. "\n};\n1";	1587	. "\n};\n1";
1158		1588
1159	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1160	}	1590	}
1161		1591
		1592	my $pass = 0;
1162	my %done;	1593	my %done;
1163	while (%todo) {	1594	while (%todo) {
1164	my $progress;	1595	my $progress;
1165		1596
		1597	++$pass;
		1598
		1599	ext:
1166	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1167	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1168	goto skip	1602	next ext
1169	unless exists $done{$_};	1603	unless exists $done{$_};
1170	}	1604	}
1171		1605
1172	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1173		1607
1174	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 $@) {
1175	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1176	: "$v->{base}: extension inactive.\n";
1177		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1178	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1179	warn $msg;	1624
1180	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1181	exit 1;	1626	delete $todo{$k};
1182	}	1627	} else {
1183		1628	$done{$k} = delete $todo{$k};
1184	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1185	}	1634	}
1186
1187	$done{$k} = delete $todo{$k};
1188	push @EXTS, $v->{pkg};
1189	$progress = 1;
1190	}	1635	}
1191		1636
1192	skip:	1637	unless ($progress) {
1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1194	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	}
1195	}	1647	}
1196	};	1648	};
1197	}	1649	}
1198		1650
1199	#############################################################################	1651	#############################################################################
1200		1652
1201	=back	1653	=back
1202		1654
1203	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1204		1656
1205	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1206		1658
1207	=cut	1659	=cut
1208		1660
1209	package cf::player;	1661	package cf::player;
1210		1662
1211	use Coro::AIO;	1663	use Coro::AIO;
1212		1664
1213	=head3 cf::player	1665	=head3 cf::player
1214		1666
1215	=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	}
1216		1682
1217	=item cf::player::find $login	1683	=item cf::player::find $login
1218		1684
1219	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1220		1686
…		…
1239		1705
1240	sub exists($) {	1706	sub exists($) {
1241	my ($login) = @_;	1707	my ($login) = @_;
1242		1708
1243	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1244	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1245	}	1711	}
1246		1712
1247	sub find($) {	1713	sub find($) {
1248	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1249	my $login = $_[0];	1715	my $login = $_[0];
…		…
1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1259	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1260		1726
1261	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1262	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;
1263	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1264	}	1736	}
1265	}	1737	}
1266	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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	);
1267		1752
1268	sub save($) {	1753	sub save($) {
1269	my ($pl) = @_;	1754	my ($pl) = @_;
1270		1755
1271	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1276	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1277		1762
1278	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1279	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1280		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
1281	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1282	Coro::cede;	1772	cf::cede_to_tick;
1283	}	1773	}
1284		1774
1285	sub new($) {	1775	sub new($) {
1286	my ($login) = @_;	1776	my ($login) = @_;
1287		1777
…		…
1293	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1294		1784
1295	$self	1785	$self
1296	}	1786	}
1297		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
1298	=item $pl->quit_character	1798	=item $pl->quit_character
1299		1799
1300	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1301	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1302		1802
…		…
1306	my ($pl) = @_;	1806	my ($pl) = @_;
1307		1807
1308	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1309		1809
1310	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1311	$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
1312		1812
1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1314	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1315	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1316	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1317		1821
1318	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1319	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1320	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1355	or return [];	1859	or return [];
1356		1860
1357	my @logins;	1861	my @logins;
1358		1862
1359	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") {
1360	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1361	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1362	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1363		1873
1364	utf8::decode $login;	1874	utf8::decode $login;
1365	push @logins, $login;	1875	push @logins, $login;
1366	}	1876	}
1367		1877
1368	\@logins	1878	\@logins
1369	}	1879	}
1370		1880
1371	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1372		1884
1373	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1374	player. May block.	1886	player. May block.
1375		1887
1376	=cut	1888	=cut
…		…
1394	}	1906	}
1395		1907
1396	\@paths	1908	\@paths
1397	}	1909	}
1398		1910
1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1400		1912
1401	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1402		1914
1403	=cut
1404
1405	sub expand_cfpod {
1406	((my $self), (local $_)) = @_;
1407
1408	# escape & and <
1409	s/&/&amp;/g;
1410	s/(?<![BIUGH])</&lt;/g;
1411
1412	# this is buggy, it needs to properly take care of nested <'s
1413
1414	1 while
1415	# replace B<>, I<>, U<> etc.
1416	s/B<([^\>]*)>/<b>$1<\/b>/
1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
1419	# replace G<male|female> tags
1420	|| s{G<([^>|]*)\|([^>]*)>}{
1421	$self->gender ? $2 : $1
1422	}ge
1423	# replace H<hint text>
1424	|| s{H<([^\>]*)>}
1425	{
1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1428	"")
1429	[$self->{hintmode}]
1430	}ge;
1431
1432	# create single paragraphs (very hackish)
1433	s/(?<=\S)\n(?=\w)/ /g;
1434
1435	# compress some whitespace
1436	s/\s+\n/\n/g; # ws line-ends
1437	s/\n\n+/\n/g; # double lines
1438	s/^\n+//; # beginning lines
1439	s/\n+$//; # ending lines
1440
1441	$_
1442	}
1443
1444	sub hintmode {
1445	$_[0]{hintmode} = $_[1] if @_ > 1;
1446	$_[0]{hintmode}
1447	}
1448
1449	=item $player->ext_reply ($msgid, %msg)
1450
1451	Sends an ext reply to the player.
1452
1453	=cut
1454
1455	sub ext_reply($$%) {
1456	my ($self, $id, %msg) = @_;
1457
1458	$msg{msgid} = $id;
1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1460	}
1461
1462	=item $player->ext_event ($type, %msg)	1915	=item $player->ext_msg ($type, @msg)
1463		1916
1464	Sends an ext event to the client.	1917	Sends an ext event to the client.
1465		1918
1466	=cut	1919	=cut
1467		1920
1468	sub ext_event($$%) {	1921	sub ext_msg($$@) {
1469	my ($self, $type, %msg) = @_;	1922	my ($self, $type, @msg) = @_;
1470		1923
1471	$self->ns->ext_event ($type, %msg);	1924	$self->ns->ext_msg ($type, @msg);
1472	}	1925	}
1473		1926
1474	=head3 cf::region	1927	=head3 cf::region
1475		1928
1476	=over 4	1929	=over 4
…		…
1485		1938
1486	=cut	1939	=cut
1487		1940
1488	sub find_by_path($) {	1941	sub find_by_path($) {
1489	my ($path) = @_;	1942	my ($path) = @_;
		1943
		1944	$path =~ s/^~[^\/]*//; # skip ~login
1490		1945
1491	my ($match, $specificity);	1946	my ($match, $specificity);
1492		1947
1493	for my $region (list) {	1948	for my $region (list) {
1494	if ($region->{match} && $path =~ $region->{match}) {	1949	if ($region->{match} && $path =~ $region->{match}) {
…		…
1520	our $MAX_RESET = 3600;	1975	our $MAX_RESET = 3600;
1521	our $DEFAULT_RESET = 3000;	1976	our $DEFAULT_RESET = 3000;
1522		1977
1523	sub generate_random_map {	1978	sub generate_random_map {
1524	my ($self, $rmp) = @_;	1979	my ($self, $rmp) = @_;
1525	# mit "rum" bekleckern, nicht	1980
		1981	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1982
1526	$self->_create_random_map (	1983	$self->_create_random_map ($rmp);
1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1530	$rmp->{exit_on_final_map},
1531	$rmp->{xsize}, $rmp->{ysize},
1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1535	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1537	(cf::region::find $rmp->{region}), $rmp->{custom}
1538	)
1539	}	1984	}
1540		1985
1541	=item cf::map->register ($regex, $prio)	1986	=item cf::map->register ($regex, $prio)
1542		1987
1543	Register a handler for the map path matching the given regex at the	1988	Register a handler for the map path matching the given regex at the
…		…
1548		1993
1549	sub register {	1994	sub register {
1550	my (undef, $regex, $prio) = @_;	1995	my (undef, $regex, $prio) = @_;
1551	my $pkg = caller;	1996	my $pkg = caller;
1552		1997
1553	no strict;
1554	push @{"$pkg\::ISA"}, __PACKAGE__;	1998	push @{"$pkg\::ISA"}, __PACKAGE__;
1555		1999
1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2000	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1557	}	2001	}
1558		2002
1559	# also paths starting with '/'	2003	# also paths starting with '/'
1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2004	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1561		2005
1562	sub thawer_merge {	2006	sub thawer_merge {
1563	my ($self, $merge) = @_;	2007	my ($self, $merge) = @_;
1564		2008
1565	# we have to keep some variables in memory intact	2009	# we have to keep some variables in memory intact
…		…
1570	}	2014	}
1571		2015
1572	sub normalise {	2016	sub normalise {
1573	my ($path, $base) = @_;	2017	my ($path, $base) = @_;
1574		2018
1575	$path = "$path"; # make sure its a string	2019	$path = "$path"; # make sure it's a string
1576		2020
1577	$path =~ s/\.map$//;	2021	$path =~ s/\.map$//;
1578		2022
1579	# map plan:	2023	# map plan:
1580	#	2024	#
…		…
1595	$base =~ s{[^/]+/?$}{};	2039	$base =~ s{[^/]+/?$}{};
1596	$path = "$base/$path";	2040	$path = "$base/$path";
1597	}	2041	}
1598		2042
1599	for ($path) {	2043	for ($path) {
1600	redo if s{//}{/};
1601	redo if s{/\.?/}{/};	2044	redo if s{/\.?/}{/};
1602	redo if s{/[^/]+/\.\./}{/};	2045	redo if s{/[^/]+/\.\./}{/};
1603	}	2046	}
1604		2047
1605	$path	2048	$path
…		…
1619	$self->init; # pass $1 etc.	2062	$self->init; # pass $1 etc.
1620	return $self;	2063	return $self;
1621	}	2064	}
1622	}	2065	}
1623		2066
1624	Carp::cluck "unable to resolve path '$path' (base '$base').";	2067	Carp::cluck "unable to resolve path '$path' (base '$base')";
1625	()	2068	()
1626	}	2069	}
1627		2070
		2071	# may re-bless or do other evil things
1628	sub init {	2072	sub init {
1629	my ($self) = @_;	2073	my ($self) = @_;
1630		2074
1631	$self	2075	$self
1632	}	2076	}
…		…
1651		2095
1652	# the temporary/swap location	2096	# the temporary/swap location
1653	sub save_path {	2097	sub save_path {
1654	my ($self) = @_;	2098	my ($self) = @_;
1655		2099
1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2100	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1657	"$TMPDIR/$path.map"	2101	"$TMPDIR/$path.map"
1658	}	2102	}
1659		2103
1660	# the unique path, undef == no special unique path	2104	# the unique path, undef == no special unique path
1661	sub uniq_path {	2105	sub uniq_path {
1662	my ($self) = @_;	2106	my ($self) = @_;
1663		2107
1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1665	"$UNIQUEDIR/$path"	2109	"$UNIQUEDIR/$path"
1666	}
1667
1668	# and all this just because we cannot iterate over
1669	# all maps in C++...
1670	sub change_all_map_light {
1671	my ($change) = @_;
1672
1673	$_->change_map_light ($change)
1674	for grep $_->outdoor, values %cf::MAP;
1675	}	2110	}
1676		2111
1677	sub decay_objects {	2112	sub decay_objects {
1678	my ($self) = @_;	2113	my ($self) = @_;
1679		2114
…		…
1692		2127
1693	sub load_header_from($) {	2128	sub load_header_from($) {
1694	my ($self, $path) = @_;	2129	my ($self, $path) = @_;
1695		2130
1696	utf8::encode $path;	2131	utf8::encode $path;
1697	#aio_open $path, O_RDONLY, 0	2132	my $f = new_from_file cf::object::thawer $path
1698	# or return;
1699
1700	$self->_load_header ($path)
1701	or return;	2133	or return;
1702		2134
		2135	$self->_load_header ($f)
		2136	or return;
		2137
		2138	local $MAP_LOADING{$self->{path}} = $self;
		2139	$f->resolve_delayed_derefs;
		2140
1703	$self->{load_path} = $path;	2141	$self->{load_path} = $path;
1704		2142
1705	1	2143	1
1706	}	2144	}
1707		2145
		2146	# used to laod the header of an original map
1708	sub load_header_orig {	2147	sub load_header_orig {
1709	my ($self) = @_;	2148	my ($self) = @_;
1710		2149
1711	$self->load_header_from ($self->load_path)	2150	$self->load_header_from ($self->load_path)
1712	}	2151	}
1713		2152
		2153	# used to laod the header of an instantiated map
1714	sub load_header_temp {	2154	sub load_header_temp {
1715	my ($self) = @_;	2155	my ($self) = @_;
1716		2156
1717	$self->load_header_from ($self->save_path)	2157	$self->load_header_from ($self->save_path)
1718	}	2158	}
1719		2159
		2160	# called after loading the header from an instantiated map
1720	sub prepare_temp {	2161	sub prepare_temp {
1721	my ($self) = @_;	2162	my ($self) = @_;
1722		2163
1723	$self->last_access ((delete $self->{last_access})	2164	$self->last_access ((delete $self->{last_access})
1724	|| $cf::RUNTIME); #d#	2165	|| $cf::RUNTIME); #d#
1725	# safety	2166	# safety
1726	$self->{instantiate_time} = $cf::RUNTIME	2167	$self->{instantiate_time} = $cf::RUNTIME
1727	if $self->{instantiate_time} > $cf::RUNTIME;	2168	if $self->{instantiate_time} > $cf::RUNTIME;
1728	}	2169	}
1729		2170
		2171	# called after loading the header from an original map
1730	sub prepare_orig {	2172	sub prepare_orig {
1731	my ($self) = @_;	2173	my ($self) = @_;
1732		2174
1733	$self->{load_original} = 1;	2175	$self->{load_original} = 1;
1734	$self->{instantiate_time} = $cf::RUNTIME;	2176	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1758		2200
1759	sub find;	2201	sub find;
1760	sub find {	2202	sub find {
1761	my ($path, $origin) = @_;	2203	my ($path, $origin) = @_;
1762		2204
		2205	cf::cede_to_tick;
		2206
1763	$path = normalise $path, $origin && $origin->path;	2207	$path = normalise $path, $origin;
1764		2208
		2209	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1765	cf::lock_wait "map_find:$path";	2210	my $guard2 = cf::lock_acquire "map_find:$path";
1766		2211
1767	$cf::MAP{$path} || do {	2212	$cf::MAP{$path} || do {
1768	my $guard = cf::lock_acquire "map_find:$path";
1769	my $map = new_from_path cf::map $path	2213	my $map = new_from_path cf::map $path
1770	or return;	2214	or return;
1771		2215
1772	$map->{last_save} = $cf::RUNTIME;	2216	$map->{last_save} = $cf::RUNTIME;
1773		2217
…		…
1775	or return;	2219	or return;
1776		2220
1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2221	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1778	# doing this can freeze the server in a sync job, obviously	2222	# doing this can freeze the server in a sync job, obviously
1779	#$cf::WAIT_FOR_TICK->wait;	2223	#$cf::WAIT_FOR_TICK->wait;
		2224	undef $guard2;
		2225	undef $guard1;
1780	$map->reset;	2226	$map->reset;
1781	undef $guard;
1782	return find $path;	2227	return find $path;
1783	}	2228	}
1784		2229
1785	$cf::MAP{$path} = $map	2230	$cf::MAP{$path} = $map
1786	}	2231	}
1787	}	2232	}
1788		2233
1789	sub pre_load { }	2234	sub pre_load { }
1790	sub post_load { }	2235	#sub post_load { } # XS
1791		2236
1792	sub load {	2237	sub load {
1793	my ($self) = @_;	2238	my ($self) = @_;
1794		2239
1795	local $self->{deny_reset} = 1; # loading can take a long time	2240	local $self->{deny_reset} = 1; # loading can take a long time
1796		2241
1797	my $path = $self->{path};	2242	my $path = $self->{path};
1798		2243
1799	{	2244	{
1800	my $guard = cf::lock_acquire "map_load:$path";	2245	my $guard = cf::lock_acquire "map_data:$path";
1801		2246
		2247	return unless $self->valid;
1802	return if $self->in_memory != cf::MAP_SWAPPED;	2248	return unless $self->state == cf::MAP_SWAPPED;
1803
1804	$self->in_memory (cf::MAP_LOADING);
1805		2249
1806	$self->alloc;	2250	$self->alloc;
1807		2251
1808	$self->pre_load;	2252	$self->pre_load;
1809	Coro::cede;	2253	cf::cede_to_tick;
1810		2254
1811	$self->_load_objects ($self->{load_path}, 1)	2255	if (exists $self->{load_path}) {
		2256	my $f = new_from_file cf::object::thawer $self->{load_path};
		2257	$f->skip_block;
		2258	$self->_load_objects ($f)
1812	or return;	2259	or return;
1813		2260
1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2261	$self->post_load_original
1815	if delete $self->{load_original};	2262	if delete $self->{load_original};
1816		2263
1817	if (my $uniq = $self->uniq_path) {	2264	if (my $uniq = $self->uniq_path) {
1818	utf8::encode $uniq;	2265	utf8::encode $uniq;
1819	if (aio_open $uniq, O_RDONLY, 0) {	2266	unless (aio_stat $uniq) {
		2267	if (my $f = new_from_file cf::object::thawer $uniq) {
1820	$self->clear_unique_items;	2268	$self->clear_unique_items;
1821	$self->_load_objects ($uniq, 0);	2269	$self->_load_objects ($f);
		2270	$f->resolve_delayed_derefs;
		2271	}
		2272	}
1822	}	2273	}
1823	}
1824		2274
1825	Coro::cede;	2275	$f->resolve_delayed_derefs;
		2276	} else {
		2277	$self->post_load_original
		2278	if delete $self->{load_original};
		2279	}
		2280
		2281	$self->state (cf::MAP_INACTIVE);
		2282
		2283	cf::cede_to_tick;
1826	# now do the right thing for maps	2284	# now do the right thing for maps
1827	$self->link_multipart_objects;	2285	$self->link_multipart_objects;
1828	$self->difficulty ($self->estimate_difficulty)	2286	$self->difficulty ($self->estimate_difficulty)
1829	unless $self->difficulty;	2287	unless $self->difficulty;
1830	Coro::cede;	2288	cf::cede_to_tick;
1831		2289
1832	unless ($self->{deny_activate}) {	2290	unless ($self->{deny_activate}) {
1833	$self->decay_objects;	2291	$self->decay_objects;
1834	$self->fix_auto_apply;	2292	$self->fix_auto_apply;
1835	$self->update_buttons;	2293	$self->update_buttons;
1836	Coro::cede;	2294	cf::cede_to_tick;
1837	$self->set_darkness_map;	2295	#$self->activate; # no longer activate maps automatically
1838	Coro::cede;
1839	$self->activate;
1840	}	2296	}
1841		2297
1842	$self->in_memory (cf::MAP_IN_MEMORY);	2298	$self->{last_save} = $cf::RUNTIME;
		2299	$self->last_access ($cf::RUNTIME);
1843	}	2300	}
1844		2301
1845	$self->post_load;	2302	$self->post_load;
1846	}
1847		2303
		2304	1
		2305	}
		2306
		2307	# customize the map for a given player, i.e.
		2308	# return the _real_ map. used by e.g. per-player
		2309	# maps to change the path to ~playername/mappath
1848	sub customise_for {	2310	sub customise_for {
1849	my ($self, $ob) = @_;	2311	my ($self, $ob) = @_;
1850		2312
1851	return find "~" . $ob->name . "/" . $self->{path}	2313	return find "~" . $ob->name . "/" . $self->{path}
1852	if $self->per_player;	2314	if $self->per_player;
…		…
1855	# if $self->per_party;	2317	# if $self->per_party;
1856		2318
1857	$self	2319	$self
1858	}	2320	}
1859		2321
1860	# find and load all maps in the 3x3 area around a map
1861	sub load_diag {
1862	my ($map) = @_;
1863
1864	my @diag; # diagonal neighbours
1865
1866	for (0 .. 3) {
1867	my $neigh = $map->tile_path ($_)
1868	or next;
1869	$neigh = find $neigh, $map
1870	or next;
1871	$neigh->load;
1872
1873	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1874	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1875	}
1876
1877	for (@diag) {
1878	my $neigh = find @$_
1879	or next;
1880	$neigh->load;
1881	}
1882	}
1883
1884	sub find_sync {	2322	sub find_sync {
1885	my ($path, $origin) = @_;	2323	my ($path, $origin) = @_;
1886		2324
1887	cf::sync_job { find $path, $origin }	2325	# it's a bug to call this from the main context
		2326	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2327	if $Coro::current == $Coro::main;
		2328
		2329	find $path, $origin
1888	}	2330	}
1889		2331
1890	sub do_load_sync {	2332	sub do_load_sync {
1891	my ($map) = @_;	2333	my ($map) = @_;
1892		2334
1893	cf::sync_job { $map->load };	2335	# it's a bug to call this from the main context
		2336	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2337	if $Coro::current == $Coro::main;
		2338
		2339	$map->load;
1894	}	2340	}
1895		2341
1896	our %MAP_PREFETCH;	2342	our %MAP_PREFETCH;
1897	our $MAP_PREFETCHER = undef;	2343	our $MAP_PREFETCHER = undef;
1898		2344
1899	sub find_async {	2345	sub find_async {
1900	my ($path, $origin) = @_;	2346	my ($path, $origin, $load) = @_;
1901		2347
1902	$path = normalise $path, $origin && $origin->{path};	2348	$path = normalise $path, $origin;
1903		2349
1904	if (my $map = $cf::MAP{$path}) {	2350	if (my $map = $cf::MAP{$path}) {
1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2351	return $map if !$load || $map->linkable;
1906	}	2352	}
1907		2353
1908	undef $MAP_PREFETCH{$path};	2354	$MAP_PREFETCH{$path} |= $load;
		2355
1909	$MAP_PREFETCHER ||= cf::async {	2356	$MAP_PREFETCHER ||= cf::async {
		2357	$Coro::current->{desc} = "map prefetcher";
		2358
1910	while (%MAP_PREFETCH) {	2359	while (%MAP_PREFETCH) {
1911	for my $path (keys %MAP_PREFETCH) {	2360	while (my ($k, $v) = each %MAP_PREFETCH) {
1912	if (my $map = find $path) {	2361	if (my $map = find $k) {
1913	$map->load;	2362	$map->load if $v;
1914	}	2363	}
1915		2364
1916	delete $MAP_PREFETCH{$path};	2365	delete $MAP_PREFETCH{$k};
1917	}	2366	}
1918	}	2367	}
1919	undef $MAP_PREFETCHER;	2368	undef $MAP_PREFETCHER;
1920	};	2369	};
1921	$MAP_PREFETCHER->prio (6);	2370	$MAP_PREFETCHER->prio (6);
1922		2371
1923	()	2372	()
1924	}	2373	}
1925		2374
		2375	# common code, used by both ->save and ->swapout
1926	sub save {	2376	sub _save {
1927	my ($self) = @_;	2377	my ($self) = @_;
1928
1929	my $lock = cf::lock_acquire "map_data:" . $self->path;
1930		2378
1931	$self->{last_save} = $cf::RUNTIME;	2379	$self->{last_save} = $cf::RUNTIME;
1932		2380
1933	return unless $self->dirty;	2381	return unless $self->dirty;
1934		2382
…		…
1940	return if $self->{deny_save};	2388	return if $self->{deny_save};
1941		2389
1942	local $self->{last_access} = $self->last_access;#d#	2390	local $self->{last_access} = $self->last_access;#d#
1943		2391
1944	cf::async {	2392	cf::async {
		2393	$Coro::current->{desc} = "map player save";
1945	$_->contr->save for $self->players;	2394	$_->contr->save for $self->players;
1946	};	2395	};
		2396
		2397	cf::get_slot 0.02;
1947		2398
1948	if ($uniq) {	2399	if ($uniq) {
1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2400	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2401	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1951	} else {	2402	} else {
1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2403	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1953	}	2404	}
1954	}	2405	}
1955		2406
		2407	sub save {
		2408	my ($self) = @_;
		2409
		2410	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2411
		2412	$self->_save;
		2413	}
		2414
1956	sub swap_out {	2415	sub swap_out {
1957	my ($self) = @_;	2416	my ($self) = @_;
1958		2417
1959	# save first because save cedes
1960	$self->save;
1961
1962	my $lock = cf::lock_acquire "map_data:" . $self->path;	2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
1963		2419
		2420	return if !$self->linkable;
		2421	return if $self->{deny_save};
1964	return if $self->players;	2422	return if $self->players;
1965	return if $self->in_memory != cf::MAP_IN_MEMORY;
1966	return if $self->{deny_save};
1967		2423
		2424	# first deactivate the map and "unlink" it from the core
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
		2427	$self->state (cf::MAP_SWAPPED);
		2428
		2429	# then atomically save
		2430	$self->_save;
		2431
		2432	# then free the map
1968	$self->clear;	2433	$self->clear;
1969	$self->in_memory (cf::MAP_SWAPPED);
1970	}	2434	}
1971		2435
1972	sub reset_at {	2436	sub reset_at {
1973	my ($self) = @_;	2437	my ($self) = @_;
1974		2438
…		…
1992		2456
1993	my $lock = cf::lock_acquire "map_data:$self->{path}";	2457	my $lock = cf::lock_acquire "map_data:$self->{path}";
1994		2458
1995	return if $self->players;	2459	return if $self->players;
1996		2460
1997	warn "resetting map ", $self->path;	2461	cf::trace "resetting map ", $self->path, "\n";
1998		2462
1999	$self->in_memory (cf::MAP_SWAPPED);	2463	$self->state (cf::MAP_SWAPPED);
2000		2464
2001	# need to save uniques path	2465	# need to save uniques path
2002	unless ($self->{deny_save}) {	2466	unless ($self->{deny_save}) {
2003	my $uniq = $self->uniq_path; utf8::encode $uniq;	2467	my $uniq = $self->uniq_path; utf8::encode $uniq;
2004		2468
…		…
2006	if $uniq;	2470	if $uniq;
2007	}	2471	}
2008		2472
2009	delete $cf::MAP{$self->path};	2473	delete $cf::MAP{$self->path};
2010		2474
		2475	$self->deactivate;
		2476	$_->clear_links_to ($self) for values %cf::MAP;
2011	$self->clear;	2477	$self->clear;
2012
2013	$_->clear_links_to ($self) for values %cf::MAP;
2014		2478
2015	$self->unlink_save;	2479	$self->unlink_save;
2016	$self->destroy;	2480	$self->destroy;
2017	}	2481	}
2018		2482
2019	my $nuke_counter = "aaaa";	2483	my $nuke_counter = "aaaa";
2020		2484
2021	sub nuke {	2485	sub nuke {
2022	my ($self) = @_;	2486	my ($self) = @_;
2023		2487
		2488	{
		2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2490
2024	delete $cf::MAP{$self->path};	2491	delete $cf::MAP{$self->path};
2025		2492
2026	$self->unlink_save;	2493	$self->unlink_save;
2027		2494
2028	bless $self, "cf::map";	2495	bless $self, "cf::map::wrap";
2029	delete $self->{deny_reset};	2496	delete $self->{deny_reset};
2030	$self->{deny_save} = 1;	2497	$self->{deny_save} = 1;
2031	$self->reset_timeout (1);	2498	$self->reset_timeout (1);
2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2499	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2033		2500
2034	$cf::MAP{$self->path} = $self;	2501	$cf::MAP{$self->path} = $self;
		2502	}
2035		2503
2036	$self->reset; # polite request, might not happen	2504	$self->reset; # polite request, might not happen
2037	}	2505	}
2038		2506
2039	=item $maps = cf::map::tmp_maps	2507	=item $maps = cf::map::tmp_maps
…		…
2081		2549
2082	sub unique_maps() {	2550	sub unique_maps() {
2083	[	2551	[
2084	map {	2552	map {
2085	utf8::decode $_;	2553	utf8::decode $_;
2086	/\.map$/	2554	s/\.map$//; # TODO future compatibility hack
		2555	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2556	? ()
2087	? normalise $_	2557	: normalise $_
2088	: ()
2089	} @{ aio_readdir $UNIQUEDIR or [] }	2558	} @{ aio_readdir $UNIQUEDIR or [] }
2090	]	2559	]
2091	}	2560	}
2092		2561
2093	package cf;	2562	=item cf::map::static_maps
		2563
		2564	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2565	file in the shared directory excluding F</styles> and F</editor>). May
		2566	block.
		2567
		2568	=cut
		2569
		2570	sub static_maps() {
		2571	my @dirs = "";
		2572	my @maps;
		2573
		2574	while (@dirs) {
		2575	my $dir = shift @dirs;
		2576
		2577	next if $dir eq "/styles" || $dir eq "/editor";
		2578
		2579	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2580	or return;
		2581
		2582	for (@$files) {
		2583	s/\.map$// or next;
		2584	utf8::decode $_;
		2585	push @maps, "$dir/$_";
		2586	}
		2587
		2588	push @dirs, map "$dir/$_", @$dirs;
		2589	}
		2590
		2591	\@maps
		2592	}
2094		2593
2095	=back	2594	=back
2096		2595
2097	=head3 cf::object	2596	=head3 cf::object
2098		2597
…		…
2102		2601
2103	=over 4	2602	=over 4
2104		2603
2105	=item $ob->inv_recursive	2604	=item $ob->inv_recursive
2106		2605
2107	Returns the inventory of the object _and_ their inventories, recursively.	2606	Returns the inventory of the object I<and> their inventories, recursively,
		2607	but I<not> the object itself.
2108		2608
2109	=cut	2609	=cut
2110		2610
2111	sub inv_recursive_;	2611	sub inv_recursive_;
2112	sub inv_recursive_ {	2612	sub inv_recursive_ {
…		…
2115		2615
2116	sub inv_recursive {	2616	sub inv_recursive {
2117	inv_recursive_ inv $_[0]	2617	inv_recursive_ inv $_[0]
2118	}	2618	}
2119		2619
		2620	=item $ref = $ob->ref
		2621
		2622	Creates and returns a persistent reference to an object that can be stored as a string.
		2623
		2624	=item $ob = cf::object::deref ($refstring)
		2625
		2626	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2627	even if the object actually exists. May block.
		2628
		2629	=cut
		2630
		2631	sub deref {
		2632	my ($ref) = @_;
		2633
		2634	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2635	my ($uuid, $name) = ($1, $2);
		2636	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2637	or return;
		2638	$pl->ob->uuid eq $uuid
		2639	or return;
		2640
		2641	$pl->ob
		2642	} else {
		2643	warn "$ref: cannot resolve object reference\n";
		2644	undef
		2645	}
		2646	}
		2647
2120	package cf;	2648	package cf;
2121		2649
2122	=back	2650	=back
2123		2651
2124	=head3 cf::object::player	2652	=head3 cf::object::player
…		…
2130	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2658	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2131	can be C<undef>. Does the right thing when the player is currently in a	2659	can be C<undef>. Does the right thing when the player is currently in a
2132	dialogue with the given NPC character.	2660	dialogue with the given NPC character.
2133		2661
2134	=cut	2662	=cut
		2663
		2664	our $SAY_CHANNEL = {
		2665	id => "say",
		2666	title => "Map",
		2667	reply => "say ",
		2668	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2669	};
		2670
		2671	our $CHAT_CHANNEL = {
		2672	id => "chat",
		2673	title => "Chat",
		2674	reply => "chat ",
		2675	tooltip => "Player chat and shouts, global to the server.",
		2676	};
2135		2677
2136	# rough implementation of a future "reply" method that works	2678	# rough implementation of a future "reply" method that works
2137	# with dialog boxes.	2679	# with dialog boxes.
2138	#TODO: the first argument must go, split into a $npc->reply_to ( method	2680	#TODO: the first argument must go, split into a $npc->reply_to ( method
2139	sub cf::object::player::reply($$$;$) {	2681	sub cf::object::player::reply($$$;$) {
…		…
2146		2688
2147	} else {	2689	} else {
2148	my $pl = $self->contr;	2690	my $pl = $self->contr;
2149		2691
2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2692	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2151	my $diag = $pl->{npc_dialog};	2693	my $dialog = $pl->{npc_dialog};
2152	$diag->{pl}->ext_reply (	2694	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2153	$diag->{id},
2154	msgtype => "reply",
2155	msg => $diag->{pl}->expand_cfpod ($msg),
2156	add_topics => []
2157	);
2158		2695
2159	} else {	2696	} else {
2160	$msg = $npc->name . " says: $msg" if $npc;	2697	$msg = $npc->name . " says: $msg" if $npc;
2161	$self->message ($msg, $flags);	2698	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2162	}	2699	}
2163	}	2700	}
		2701	}
		2702
		2703	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2704
		2705	=cut
		2706
		2707	sub cf::object::send_msg {
		2708	my $pl = shift->contr
		2709	or return;
		2710	$pl->send_msg (@_);
2164	}	2711	}
2165		2712
2166	=item $player_object->may ("access")	2713	=item $player_object->may ("access")
2167		2714
2168	Returns wether the given player is authorized to access resource "access"	2715	Returns wether the given player is authorized to access resource "access"
…		…
2181		2728
2182	=item $player_object->enter_link	2729	=item $player_object->enter_link
2183		2730
2184	Freezes the player and moves him/her to a special map (C<{link}>).	2731	Freezes the player and moves him/her to a special map (C<{link}>).
2185		2732
2186	The player should be reasonably safe there for short amounts of time. You	2733	The player should be reasonably safe there for short amounts of time (e.g.
2187	I<MUST> call C<leave_link> as soon as possible, though.	2734	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2735	though, as the player cannot control the character while it is on the link
		2736	map.
2188		2737
2189	Will never block.	2738	Will never block.
2190		2739
2191	=item $player_object->leave_link ($map, $x, $y)	2740	=item $player_object->leave_link ($map, $x, $y)
2192		2741
…		…
2212	sub cf::object::player::enter_link {	2761	sub cf::object::player::enter_link {
2213	my ($self) = @_;	2762	my ($self) = @_;
2214		2763
2215	$self->deactivate_recursive;	2764	$self->deactivate_recursive;
2216		2765
		2766	++$self->{_link_recursion};
		2767
2217	return if UNIVERSAL::isa $self->map, "ext::map_link";	2768	return if UNIVERSAL::isa $self->map, "ext::map_link";
2218		2769
2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2220	if $self->map && $self->map->{path} ne "{link}";	2771	if $self->map && $self->map->{path} ne "{link}";
2221		2772
2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2773	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2223	}	2774	}
2224		2775
2225	sub cf::object::player::leave_link {	2776	sub cf::object::player::leave_link {
2226	my ($self, $map, $x, $y) = @_;	2777	my ($self, $map, $x, $y) = @_;
2227		2778
…		…
2244	($x, $y) = (-1, -1)	2795	($x, $y) = (-1, -1)
2245	unless (defined $x) && (defined $y);	2796	unless (defined $x) && (defined $y);
2246		2797
2247	# use -1 or undef as default coordinates, not 0, 0	2798	# use -1 or undef as default coordinates, not 0, 0
2248	($x, $y) = ($map->enter_x, $map->enter_y)	2799	($x, $y) = ($map->enter_x, $map->enter_y)
2249	if $x <=0 && $y <= 0;	2800	if $x <= 0 && $y <= 0;
2250		2801
2251	$map->load;	2802	$map->load;
2252	$map->load_diag;
2253		2803
2254	return unless $self->contr->active;	2804	return unless $self->contr->active;
2255	$self->activate_recursive;
2256		2805
2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2806	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2258	$self->enter_map ($map, $x, $y);	2807	if ($self->enter_map ($map, $x, $y)) {
2259	}	2808	# entering was successful
		2809	delete $self->{_link_recursion};
		2810	# only activate afterwards, to support waiting in hooks
		2811	$self->activate_recursive;
		2812	}
2260		2813
		2814	}
		2815
2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2816	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2262		2817
2263	Moves the player to the given map-path and coordinates by first freezing	2818	Moves the player to the given map-path and coordinates by first freezing
2264	her, loading and preparing them map, calling the provided $check callback	2819	her, loading and preparing them map, calling the provided $check callback
2265	that has to return the map if sucecssful, and then unfreezes the player on	2820	that has to return the map if sucecssful, and then unfreezes the player on
2266	the new (success) or old (failed) map position. In either case, $done will	2821	the new (success) or old (failed) map position. In either case, $done will
2267	be called at the end of this process.	2822	be called at the end of this process.
2268		2823
		2824	Note that $check will be called with a potentially non-loaded map, so if
		2825	it needs a loaded map it has to call C<< ->load >>.
		2826
2269	=cut	2827	=cut
2270		2828
2271	our $GOTOGEN;	2829	our $GOTOGEN;
2272		2830
2273	sub cf::object::player::goto {	2831	sub cf::object::player::goto {
2274	my ($self, $path, $x, $y, $check, $done) = @_;	2832	my ($self, $path, $x, $y, $check, $done) = @_;
2275		2833
		2834	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2835	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2836	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2837	($path, $x, $y) = @$EMERGENCY_POSITION;
		2838	}
		2839
2276	# do generation counting so two concurrent goto's will be executed in-order	2840	# do generation counting so two concurrent goto's will be executed in-order
2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2841	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2278		2842
2279	$self->enter_link;	2843	$self->enter_link;
2280		2844
2281	(async {	2845	(async {
		2846	$Coro::current->{desc} = "player::goto $path $x $y";
		2847
		2848	# *tag paths override both path and x|y
		2849	if ($path =~ /^\*(.*)$/) {
		2850	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2851	my $ob = $obs[rand @obs];
		2852
		2853	# see if we actually can go there
		2854	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2855	$ob = $obs[rand @obs];
		2856	} else {
		2857	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2858	}
		2859	# else put us there anyways for now #d#
		2860
		2861	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2862	} else {
		2863	($path, $x, $y) = (undef, undef, undef);
		2864	}
		2865	}
		2866
2282	my $map = eval {	2867	my $map = eval {
2283	my $map = cf::map::find $path;	2868	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2284		2869
2285	if ($map) {	2870	if ($map) {
2286	$map = $map->customise_for ($self);	2871	$map = $map->customise_for ($self);
2287	$map = $check->($map) if $check && $map;	2872	$map = $check->($map, $x, $y, $self) if $check && $map;
2288	} else {	2873	} else {
2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2874	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2290	}	2875	}
2291		2876
2292	$map	2877	$map
2293	};	2878	};
2294		2879
…		…
2300	if ($gen == $self->{_goto_generation}) {	2885	if ($gen == $self->{_goto_generation}) {
2301	delete $self->{_goto_generation};	2886	delete $self->{_goto_generation};
2302	$self->leave_link ($map, $x, $y);	2887	$self->leave_link ($map, $x, $y);
2303	}	2888	}
2304		2889
2305	$done->() if $done;	2890	$done->($self) if $done;
2306	})->prio (1);	2891	})->prio (1);
2307	}	2892	}
2308		2893
2309	=item $player_object->enter_exit ($exit_object)	2894	=item $player_object->enter_exit ($exit_object)
2310		2895
…		…
2330	}	2915	}
2331		2916
2332	sub prepare_random_map {	2917	sub prepare_random_map {
2333	my ($exit) = @_;	2918	my ($exit) = @_;
2334		2919
2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
2336
2337	# all this does is basically replace the /! path by	2920	# all this does is basically replace the /! path by
2338	# a new random map path (?random/...) with a seed	2921	# a new random map path (?random/...) with a seed
2339	# that depends on the exit object	2922	# that depends on the exit object
2340		2923
2341	my $rmp = parse_random_map_params $exit->msg;	2924	my $rmp = parse_random_map_params $exit->msg;
…		…
2343	if ($exit->map) {	2926	if ($exit->map) {
2344	$rmp->{region} = $exit->region->name;	2927	$rmp->{region} = $exit->region->name;
2345	$rmp->{origin_map} = $exit->map->path;	2928	$rmp->{origin_map} = $exit->map->path;
2346	$rmp->{origin_x} = $exit->x;	2929	$rmp->{origin_x} = $exit->x;
2347	$rmp->{origin_y} = $exit->y;	2930	$rmp->{origin_y} = $exit->y;
		2931
		2932	$exit->map->touch;
2348	}	2933	}
2349		2934
2350	$rmp->{random_seed} ||= $exit->random_seed;	2935	$rmp->{random_seed} ||= $exit->random_seed;
2351		2936
2352	my $data = cf::to_json $rmp;	2937	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2353	my $md5 = Digest::MD5::md5_hex $data;	2938	my $md5 = Digest::MD5::md5_hex $data;
2354	my $meta = "$RANDOMDIR/$md5.meta";	2939	my $meta = "$RANDOMDIR/$md5.meta";
2355		2940
2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2357	aio_write $fh, 0, (length $data), $data, 0;	2942	aio_write $fh, 0, (length $data), $data, 0;
2358	undef $fh;	2943	undef $fh;
2359	aio_rename "$meta~", $meta;	2944	aio_rename "$meta~", $meta;
2360		2945
		2946	my $slaying = "?random/$md5";
		2947
		2948	if ($exit->valid) {
2361	$exit->slaying ("?random/$md5");	2949	$exit->slaying ("?random/$md5");
2362	$exit->msg (undef);	2950	$exit->msg (undef);
		2951	}
2363	}	2952	}
2364	}	2953	}
2365		2954
2366	sub cf::object::player::enter_exit {	2955	sub cf::object::player::enter_exit {
2367	my ($self, $exit) = @_;	2956	my ($self, $exit) = @_;
2368		2957
2369	return unless $self->type == cf::PLAYER;	2958	return unless $self->type == cf::PLAYER;
2370		2959
2371	if ($exit->slaying eq "/!") {
2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
2373	# the problem is that $exit might not survive long enough
2374	# so it needs to be done right now, right here
2375	cf::sync_job { prepare_random_map $exit };
2376	}
2377
2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2379	my $hp = $exit->stats->hp;
2380	my $sp = $exit->stats->sp;
2381
2382	$self->enter_link;	2960	$self->enter_link;
2383		2961
2384	# if exit is damned, update players death & WoR home-position
2385	$self->contr->savebed ($slaying, $hp, $sp)
2386	if $exit->flag (FLAG_DAMNED);
2387
2388	(async {	2962	(async {
2389	$self->deactivate_recursive; # just to be sure	2963	$Coro::current->{desc} = "enter_exit";
		2964
2390	unless (eval {	2965	unless (eval {
		2966	$self->deactivate_recursive; # just to be sure
		2967
		2968	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2969	my $x = $exit->stats->hp;
		2970	my $y = $exit->stats->sp;
		2971
		2972	# special map handling
		2973	my $slaying = $exit->slaying;
		2974
		2975	# special map handling
		2976	if ($slaying eq "/!") {
		2977	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2978
		2979	prepare_random_map $exit
		2980	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2981
		2982	$map = $exit->slaying;
		2983
		2984	} elsif ($slaying eq '!up') {
		2985	$map = $exit->map->tile_path (cf::TILE_UP);
		2986	$x = $exit->x;
		2987	$y = $exit->y;
		2988
		2989	} elsif ($slaying eq '!down') {
		2990	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2991	$x = $exit->x;
		2992	$y = $exit->y;
		2993	}
		2994
2391	$self->goto ($slaying, $hp, $sp);	2995	$self->goto ($map, $x, $y);
2392		2996
		2997	# if exit is damned, update players death & WoR home-position
		2998	$self->contr->savebed ($map, $x, $y)
		2999	if $exit->flag (cf::FLAG_DAMNED);
		3000
2393	1;	3001	1
2394	}) {	3002	}) {
2395	$self->message ("Something went wrong deep within the crossfire server. "	3003	$self->message ("Something went wrong deep within the deliantra server. "
2396	. "I'll try to bring you back to the map you were before. "	3004	. "I'll try to bring you back to the map you were before. "
2397	. "Please report this to the dungeon master!",	3005	. "Please report this to the dungeon master!",
2398	cf::NDI_UNIQUE | cf::NDI_RED);	3006	cf::NDI_UNIQUE | cf::NDI_RED);
2399		3007
2400	warn "ERROR in enter_exit: $@";	3008	error "ERROR in enter_exit: $@";
2401	$self->leave_link;	3009	$self->leave_link;
2402	}	3010	}
2403	})->prio (1);	3011	})->prio (1);
2404	}	3012	}
2405		3013
…		…
2419		3027
2420	utf8::encode $text;	3028	utf8::encode $text;
2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3029	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2422	}	3030	}
2423		3031
		3032	=item $client->send_big_packet ($pkt)
		3033
		3034	Like C<send_packet>, but tries to compress large packets, and fragments
		3035	them as required.
		3036
		3037	=cut
		3038
		3039	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3040
		3041	sub cf::client::send_big_packet {
		3042	my ($self, $pkt) = @_;
		3043
		3044	# try lzf for large packets
		3045	$pkt = "lzf " . Compress::LZF::compress $pkt
		3046	if 1024 <= length $pkt and $self->{can_lzf};
		3047
		3048	# split very large packets
		3049	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3050	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3051	$pkt = "frag";
		3052	}
		3053
		3054	$self->send_packet ($pkt);
		3055	}
		3056
2424	=item $client->send_msg ($color, $type, $msg, [extra...])	3057	=item $client->send_msg ($channel, $msg, $color, [extra...])
2425		3058
2426	Send a drawinfo or msg packet to the client, formatting the msg for the	3059	Send a drawinfo or msg packet to the client, formatting the msg for the
2427	client if neccessary. C<$type> should be a string identifying the type of	3060	client if neccessary. C<$type> should be a string identifying the type of
2428	the message, with C<log> being the default. If C<$color> is negative, suppress	3061	the message, with C<log> being the default. If C<$color> is negative, suppress
2429	the message unless the client supports the msg packet.	3062	the message unless the client supports the msg packet.
2430		3063
2431	=cut	3064	=cut
2432		3065
		3066	# non-persistent channels (usually the info channel)
		3067	our %CHANNEL = (
		3068	"c/motd" => {
		3069	id => "infobox",
		3070	title => "MOTD",
		3071	reply => undef,
		3072	tooltip => "The message of the day",
		3073	},
		3074	"c/identify" => {
		3075	id => "infobox",
		3076	title => "Identify",
		3077	reply => undef,
		3078	tooltip => "Items recently identified",
		3079	},
		3080	"c/examine" => {
		3081	id => "infobox",
		3082	title => "Examine",
		3083	reply => undef,
		3084	tooltip => "Signs and other items you examined",
		3085	},
		3086	"c/shopinfo" => {
		3087	id => "infobox",
		3088	title => "Shop Info",
		3089	reply => undef,
		3090	tooltip => "What your bargaining skill tells you about the shop",
		3091	},
		3092	"c/book" => {
		3093	id => "infobox",
		3094	title => "Book",
		3095	reply => undef,
		3096	tooltip => "The contents of a note or book",
		3097	},
		3098	"c/lookat" => {
		3099	id => "infobox",
		3100	title => "Look",
		3101	reply => undef,
		3102	tooltip => "What you saw there",
		3103	},
		3104	"c/who" => {
		3105	id => "infobox",
		3106	title => "Players",
		3107	reply => undef,
		3108	tooltip => "Shows players who are currently online",
		3109	},
		3110	"c/body" => {
		3111	id => "infobox",
		3112	title => "Body Parts",
		3113	reply => undef,
		3114	tooltip => "Shows which body parts you posess and are available",
		3115	},
		3116	"c/statistics" => {
		3117	id => "infobox",
		3118	title => "Statistics",
		3119	reply => undef,
		3120	tooltip => "Shows your primary statistics",
		3121	},
		3122	"c/skills" => {
		3123	id => "infobox",
		3124	title => "Skills",
		3125	reply => undef,
		3126	tooltip => "Shows your experience per skill and item power",
		3127	},
		3128	"c/shopitems" => {
		3129	id => "infobox",
		3130	title => "Shop Items",
		3131	reply => undef,
		3132	tooltip => "Shows the items currently for sale in this shop",
		3133	},
		3134	"c/resistances" => {
		3135	id => "infobox",
		3136	title => "Resistances",
		3137	reply => undef,
		3138	tooltip => "Shows your resistances",
		3139	},
		3140	"c/pets" => {
		3141	id => "infobox",
		3142	title => "Pets",
		3143	reply => undef,
		3144	tooltip => "Shows information abotu your pets/a specific pet",
		3145	},
		3146	"c/perceiveself" => {
		3147	id => "infobox",
		3148	title => "Perceive Self",
		3149	reply => undef,
		3150	tooltip => "You gained detailed knowledge about yourself",
		3151	},
		3152	"c/uptime" => {
		3153	id => "infobox",
		3154	title => "Uptime",
		3155	reply => undef,
		3156	tooltip => "How long the server has been running since last restart",
		3157	},
		3158	"c/mapinfo" => {
		3159	id => "infobox",
		3160	title => "Map Info",
		3161	reply => undef,
		3162	tooltip => "Information related to the maps",
		3163	},
		3164	"c/party" => {
		3165	id => "party",
		3166	title => "Party",
		3167	reply => "gsay ",
		3168	tooltip => "Messages and chat related to your party",
		3169	},
		3170	"c/death" => {
		3171	id => "death",
		3172	title => "Death",
		3173	reply => undef,
		3174	tooltip => "Reason for and more info about your most recent death",
		3175	},
		3176	"c/say" => $SAY_CHANNEL,
		3177	"c/chat" => $CHAT_CHANNEL,
		3178	);
		3179
2433	sub cf::client::send_msg {	3180	sub cf::client::send_msg {
2434	my ($self, $color, $type, $msg, @extra) = @_;	3181	my ($self, $channel, $msg, $color, @extra) = @_;
2435		3182
2436	$msg = $self->pl->expand_cfpod ($msg);	3183	$msg = $self->pl->expand_cfpod ($msg)
		3184	unless $color & cf::NDI_VERBATIM;
		3185
		3186	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3187
		3188	# check predefined channels, for the benefit of C
		3189	if ($CHANNEL{$channel}) {
		3190	$channel = $CHANNEL{$channel};
		3191
		3192	$self->ext_msg (channel_info => $channel);
		3193	$channel = $channel->{id};
		3194
		3195	} elsif (ref $channel) {
		3196	# send meta info to client, if not yet sent
		3197	unless (exists $self->{channel}{$channel->{id}}) {
		3198	$self->{channel}{$channel->{id}} = $channel;
		3199	$self->ext_msg (channel_info => $channel);
		3200	}
		3201
		3202	$channel = $channel->{id};
		3203	}
2437		3204
2438	return unless @extra || length $msg;	3205	return unless @extra || length $msg;
2439		3206
2440	if ($self->can_msg) {	3207	# default colour, mask it out
2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3208	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2442	} else {	3209	if $color & cf::NDI_DEF;
2443	# replace some tags by gcfclient-compatible ones
2444	for ($msg) {
2445	1 while
2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2451	}
2452		3210
2453	if ($color >= 0) {	3211	my $pkt = "msg "
2454	if (0 && $msg =~ /\[/) {	3212	. $self->{json_coder}->encode (
2455	$self->send_packet ("drawextinfo $color 4 0 $msg")	3213	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2456	} else {	3214	);
2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2458	$self->send_packet ("drawinfo $color $msg")
2459	}
2460	}
2461	}
2462	}
2463		3215
		3216	$self->send_big_packet ($pkt);
		3217	}
		3218
2464	=item $client->ext_event ($type, %msg)	3219	=item $client->ext_msg ($type, @msg)
2465		3220
2466	Sends an ext event to the client.	3221	Sends an ext event to the client.
2467		3222
2468	=cut	3223	=cut
2469		3224
2470	sub cf::client::ext_event($$%) {	3225	sub cf::client::ext_msg($$@) {
2471	my ($self, $type, %msg) = @_;	3226	my ($self, $type, @msg) = @_;
2472		3227
2473	return unless $self->extcmd;
2474
2475	$msg{msgtype} = "event_$type";
2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2477	}	3229	}
2478		3230
2479	=item $success = $client->query ($flags, "text", \&cb)	3231	=item $success = $client->query ($flags, "text", \&cb)
2480		3232
2481	Queues a query to the client, calling the given callback with	3233	Queues a query to the client, calling the given callback with
…		…
2536	my ($ns, $buf) = @_;	3288	my ($ns, $buf) = @_;
2537		3289
2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3290	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2539		3291
2540	if (ref $msg) {	3292	if (ref $msg) {
		3293	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3294
		3295	my @reply;
		3296
2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3297	if (my $cb = $EXTICMD{$type}) {
2542	if (my %reply = $cb->($ns, $msg)) {	3298	@reply = $cb->($ns, @payload);
2543	$reply{msgid} = $msg->{msgid};
2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2545	}
2546	}	3299	}
		3300
		3301	$ns->ext_msg ("reply-$reply", @reply)
		3302	if $reply;
		3303
2547	} else {	3304	} else {
2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3305	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2549	}	3306	}
2550		3307
2551	cf::override;	3308	cf::override;
2552	},	3309	},
2553	);	3310	);
…		…
2573		3330
2574	$coro	3331	$coro
2575	}	3332	}
2576		3333
2577	cf::client->attach (	3334	cf::client->attach (
2578	on_destroy => sub {	3335	on_client_destroy => sub {
2579	my ($ns) = @_;	3336	my ($ns) = @_;
2580		3337
2581	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3338	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2582	},	3339	},
2583	);	3340	);
…		…
2598	our $safe = new Safe "safe";	3355	our $safe = new Safe "safe";
2599	our $safe_hole = new Safe::Hole;	3356	our $safe_hole = new Safe::Hole;
2600		3357
2601	$SIG{FPE} = 'IGNORE';	3358	$SIG{FPE} = 'IGNORE';
2602		3359
2603	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3360	$safe->permit_only (Opcode::opset qw(
		3361	:base_core :base_mem :base_orig :base_math :base_loop
		3362	grepstart grepwhile mapstart mapwhile
		3363	sort time
		3364	));
2604		3365
2605	# here we export the classes and methods available to script code	3366	# here we export the classes and methods available to script code
2606		3367
2607	=pod	3368	=pod
2608		3369
2609	The following functions and methods are available within a safe environment:	3370	The following functions and methods are available within a safe environment:
2610		3371
2611	cf::object	3372	cf::object
2612	contr pay_amount pay_player map x y force_find force_add	3373	contr pay_amount pay_player map x y force_find force_add destroy
2613	insert remove	3374	insert remove name archname title slaying race decrease split
		3375	value
2614		3376
2615	cf::object::player	3377	cf::object::player
2616	player	3378	player
2617		3379
2618	cf::player	3380	cf::player
…		…
2623		3385
2624	=cut	3386	=cut
2625		3387
2626	for (	3388	for (
2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3389	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2628	insert remove)],	3390	insert remove inv nrof name archname title slaying race
		3391	decrease split destroy change_exp value msg lore send_msg)],
2629	["cf::object::player" => qw(player)],	3392	["cf::object::player" => qw(player)],
2630	["cf::player" => qw(peaceful)],	3393	["cf::player" => qw(peaceful send_msg)],
2631	["cf::map" => qw(trigger)],	3394	["cf::map" => qw(trigger)],
2632	) {	3395	) {
2633	no strict 'refs';
2634	my ($pkg, @funs) = @$_;	3396	my ($pkg, @funs) = @$_;
2635	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3397	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2636	for @funs;	3398	for @funs;
2637	}	3399	}
2638		3400
…		…
2653		3415
2654	my $qcode = $code;	3416	my $qcode = $code;
2655	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3417	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2656	$qcode =~ s/\n/\\n/g;	3418	$qcode =~ s/\n/\\n/g;
2657		3419
		3420	%vars = (_dummy => 0) unless %vars;
		3421
		3422	my @res;
2658	local $_;	3423	local $_;
2659	local @safe::cf::_safe_eval_args = values %vars;
2660		3424
2661	my $eval =	3425	my $eval =
2662	"do {\n"	3426	"do {\n"
2663	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3427	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2664	. "#line 0 \"{$qcode}\"\n"	3428	. "#line 0 \"{$qcode}\"\n"
2665	. $code	3429	. $code
2666	. "\n}"	3430	. "\n}"
2667	;	3431	;
2668		3432
		3433	if ($CFG{safe_eval}) {
2669	sub_generation_inc;	3434	sub_generation_inc;
		3435	local @safe::cf::_safe_eval_args = values %vars;
2670	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3436	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2671	sub_generation_inc;	3437	sub_generation_inc;
		3438	} else {
		3439	local @cf::_safe_eval_args = values %vars;
		3440	@res = wantarray ? eval eval : scalar eval $eval;
		3441	}
2672		3442
2673	if ($@) {	3443	if ($@) {
2674	warn "$@";	3444	warn "$@",
2675	warn "while executing safe code '$code'\n";	3445	"while executing safe code '$code'\n",
2676	warn "with arguments " . (join " ", %vars) . "\n";	3446	"with arguments " . (join " ", %vars) . "\n";
2677	}	3447	}
2678		3448
2679	wantarray ? @res : $res[0]	3449	wantarray ? @res : $res[0]
2680	}	3450	}
2681		3451
…		…
2695	=cut	3465	=cut
2696		3466
2697	sub register_script_function {	3467	sub register_script_function {
2698	my ($fun, $cb) = @_;	3468	my ($fun, $cb) = @_;
2699		3469
2700	no strict 'refs';	3470	$fun = "safe::$fun" if $CFG{safe_eval};
2701	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3471	*$fun = $safe_hole->wrap ($cb);
2702	}	3472	}
2703		3473
2704	=back	3474	=back
2705		3475
2706	=cut	3476	=cut
2707		3477
2708	#############################################################################	3478	#############################################################################
2709	# the server's init and main functions	3479	# the server's init and main functions
2710		3480
		3481	our %FACEHASH; # hash => idx, #d# HACK for http server
		3482
		3483	# internal api, not fianlised
		3484	sub add_face {
		3485	my ($name, $type, $data) = @_;
		3486
		3487	my $idx = cf::face::find $name;
		3488
		3489	if ($idx) {
		3490	delete $FACEHASH{cf::face::get_chksum $idx};
		3491	} else {
		3492	$idx = cf::face::alloc $name;
		3493	}
		3494
		3495	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3496
		3497	cf::face::set_type $idx, $type;
		3498	cf::face::set_data $idx, 0, $data, $hash;
		3499	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3500	$FACEHASH{$hash} = $idx;#d#
		3501
		3502	$idx
		3503	}
		3504
2711	sub load_facedata($) {	3505	sub load_facedata($) {
2712	my ($path) = @_;	3506	my ($path) = @_;
2713		3507
		3508	# HACK to clear player env face cache, we need some signal framework
		3509	# for this (global event?)
		3510	%ext::player_env::MUSIC_FACE_CACHE = ();
		3511
		3512	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3513
2714	warn "loading facedata from $path\n";	3514	trace "loading facedata from $path\n";
2715		3515
2716	my $facedata;	3516	my $facedata = decode_storable load_file $path;
2717	0 < aio_load $path, $facedata
2718	or die "$path: $!";
2719
2720	$facedata = Coro::Storable::thaw $facedata;
2721		3517
2722	$facedata->{version} == 2	3518	$facedata->{version} == 2
2723	or cf::cleanup "$path: version mismatch, cannot proceed.";	3519	or cf::cleanup "$path: version mismatch, cannot proceed.";
2724		3520
		3521	cf::cede_to_tick;
		3522
2725	{	3523	{
2726	my $faces = $facedata->{faceinfo};	3524	my $faces = $facedata->{faceinfo};
2727		3525
2728	while (my ($face, $info) = each %$faces) {	3526	for my $face (sort keys %$faces) {
		3527	my $info = $faces->{$face};
2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3529
2730	cf::face::set_visibility $idx, $info->{visibility};	3530	cf::face::set_visibility $idx, $info->{visibility};
2731	cf::face::set_magicmap $idx, $info->{magicmap};	3531	cf::face::set_magicmap $idx, $info->{magicmap};
2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3532	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3533	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3534	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3535	$FACEHASH{$info->{hash64}} = $idx;#d#
2734		3536
2735	cf::cede_to_tick;	3537	cf::cede_to_tick;
2736	}	3538	}
2737		3539
2738	while (my ($face, $info) = each %$faces) {	3540	while (my ($face, $info) = each %$faces) {
2739	next unless $info->{smooth};	3541	next unless $info->{smooth};
		3542
2740	my $idx = cf::face::find $face	3543	my $idx = cf::face::find $face
2741	or next;	3544	or next;
		3545
2742	if (my $smooth = cf::face::find $info->{smooth}) {	3546	if (my $smooth = cf::face::find $info->{smooth}) {
2743	cf::face::set_smooth $idx, $smooth;	3547	cf::face::set_smooth $idx, $smooth;
2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3548	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2745	} else {	3549	} else {
2746	warn "smooth face '$info->{smooth}' not found for face '$face'";	3550	error "smooth face '$info->{smooth}' not found for face '$face'";
2747	}	3551	}
2748		3552
2749	cf::cede_to_tick;	3553	cf::cede_to_tick;
2750	}	3554	}
2751	}	3555	}
…		…
2760		3564
2761	cf::anim::invalidate_all; # d'oh	3565	cf::anim::invalidate_all; # d'oh
2762	}	3566	}
2763		3567
2764	{	3568	{
2765	# TODO: for gcfclient pleasure, we should give resources
2766	# that gcfclient doesn't grok a >10000 face index.
2767	my $res = $facedata->{resource};	3569	my $res = $facedata->{resource};
2768	my $enc = JSON::XS->new->utf8->canonical;
2769		3570
2770	while (my ($name, $info) = each %$res) {	3571	while (my ($name, $info) = each %$res) {
2771	my $meta = $enc->encode ({	3572	if (defined (my $type = $info->{type})) {
2772	name => $name,	3573	# TODO: different hash - must free and use new index, or cache ixface data queue
2773	type => $info->{type},
2774	copyright => $info->{copyright}, #TODO#
2775	});
2776
2777	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3574	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2778		3575
2779	if ($name =~ /\.jpg$/) {	3576	cf::face::set_type $idx, $type;
2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack	3577	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack	3578	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3579	$FACEHASH{$info->{hash}} = $idx;#d#
2782	} else {	3580	} else {
2783	my $data = pack "(w/a*)*", $meta, $info->{data};	3581	# $RESOURCE{$name} = $info; # unused
2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
2785
2786	cf::face::set_type $idx, 1;
2787	cf::face::set_data $idx, 0, $data, $chk;
2788	}	3582	}
2789		3583
2790	cf::cede_to_tick;	3584	cf::cede_to_tick;
2791	}	3585	}
2792	}	3586	}
2793		3587
		3588	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3589
2794	1	3590	1
2795	}	3591	}
2796		3592
		3593	register_exticmd fx_want => sub {
		3594	my ($ns, $want) = @_;
		3595
		3596	while (my ($k, $v) = each %$want) {
		3597	$ns->fx_want ($k, $v);
		3598	}
		3599	};
		3600
		3601	sub load_resource_file($) {
		3602	my $guard = lock_acquire "load_resource_file";
		3603
		3604	my $status = load_resource_file_ $_[0];
		3605	get_slot 0.1, 100;
		3606	cf::arch::commit_load;
		3607
		3608	$status
		3609	}
		3610
		3611	sub reload_exp_table {
		3612	_reload_exp_table;
		3613
		3614	add_face "res/exp_table" => FT_RSRC,
		3615	JSON::XS->new->utf8->canonical->encode (
		3616	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3617	);
		3618	}
		3619
		3620	sub reload_materials {
		3621	_reload_materials;
		3622	}
		3623
2797	sub reload_regions {	3624	sub reload_regions {
		3625	# HACK to clear player env face cache, we need some signal framework
		3626	# for this (global event?)
		3627	%ext::player_env::MUSIC_FACE_CACHE = ();
		3628
2798	load_resource_file "$MAPDIR/regions"	3629	load_resource_file "$MAPDIR/regions"
2799	or die "unable to load regions file\n";	3630	or die "unable to load regions file\n";
2800		3631
2801	for (cf::region::list) {	3632	for (cf::region::list) {
2802	$_->{match} = qr/$_->{match}/	3633	$_->{match} = qr/$_->{match}/
…		…
2810	}	3641	}
2811		3642
2812	sub reload_archetypes {	3643	sub reload_archetypes {
2813	load_resource_file "$DATADIR/archetypes"	3644	load_resource_file "$DATADIR/archetypes"
2814	or die "unable to load archetypes\n";	3645	or die "unable to load archetypes\n";
2815	#d# NEED to laod twice to resolve forward references	3646
2816	# this really needs to be done in an extra post-pass	3647	add_face "res/skill_info" => FT_RSRC,
2817	# (which needs to be synchronous, so solve it differently)	3648	JSON::XS->new->utf8->canonical->encode (
2818	load_resource_file "$DATADIR/archetypes"	3649	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
2819	or die "unable to load archetypes\n";	3650	);
		3651	add_face "res/spell_paths" => FT_RSRC,
		3652	JSON::XS->new->utf8->canonical->encode (
		3653	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3654	);
2820	}	3655	}
2821		3656
2822	sub reload_treasures {	3657	sub reload_treasures {
2823	load_resource_file "$DATADIR/treasures"	3658	load_resource_file "$DATADIR/treasures"
2824	or die "unable to load treasurelists\n";	3659	or die "unable to load treasurelists\n";
2825	}	3660	}
2826		3661
		3662	sub reload_sound {
		3663	trace "loading sound config from $DATADIR/sound\n";
		3664
		3665	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3666
		3667	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3668	my $sound = $soundconf->{compat}[$_]
		3669	or next;
		3670
		3671	my $face = cf::face::find "sound/$sound->[1]";
		3672	cf::sound::set $sound->[0] => $face;
		3673	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3674	}
		3675
		3676	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3677	my $face = cf::face::find "sound/$v";
		3678	cf::sound::set $k => $face;
		3679	}
		3680	}
		3681
		3682	#d# move docstuff to help or so
		3683	our %DOCSTRING;
		3684
		3685	sub reload_pod {
		3686	trace "loading pods $PODDIR\n";
		3687
		3688	%DOCSTRING = ();
		3689	my @command_list;
		3690
		3691	for (
		3692	[0, "command_help"],
		3693	[1, "emote_help"],
		3694	[2, "dmcommand_help"],
		3695	) {
		3696	my ($type, $path) = @$_;
		3697
		3698	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3699	or die "unable to load $path";
		3700
		3701	my $level = 1e9;
		3702	my $rpar;
		3703
		3704	for my $par (@$paragraphs) {
		3705	if ($par->{type} eq "head2") {
		3706	# this code taken almost verbatim from DC/Protocol.pm
		3707
		3708	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3709	my $cmd = $1;
		3710	my @args = split /\|/, $2;
		3711	@args = (".*") unless @args;
		3712
		3713	$_ = $_ eq ".*" ? "" : " $_"
		3714	for @args;
		3715
		3716	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3717
		3718	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3719
		3720	push @command_list, [$type, \@variants];
		3721	$level = $par->{level};
		3722	} else {
		3723	error "$par->{markup}: unparsable command heading";
		3724	}
		3725	} elsif ($par->{level} > $level) {
		3726	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3727	}
		3728
		3729	cf::cede_to_tick;
		3730	}
		3731	}
		3732
		3733	@command_list = sort {
		3734	$a->[0] <=> $b->[0]
		3735	or $a->[1] cmp $b->[1]
		3736	} @command_list;
		3737
		3738	cf::cede_to_tick;
		3739
		3740	add_face "res/command_list" => FT_RSRC,
		3741	JSON::XS->new->utf8->encode (\@command_list);
		3742	}
		3743
2827	sub reload_resources {	3744	sub reload_resources {
2828	warn "reloading resource files...\n";	3745	trace "reloading resource files...\n";
2829		3746
		3747	reload_materials;
		3748	reload_facedata;
		3749	reload_exp_table;
		3750	reload_sound;
		3751	reload_archetypes;
2830	reload_regions;	3752	reload_regions;
2831	reload_facedata;
2832	#reload_archetypes;#d#
2833	reload_archetypes;
2834	reload_treasures;	3753	reload_treasures;
		3754	reload_pod;
2835		3755
2836	warn "finished reloading resource files\n";	3756	trace "finished reloading resource files\n";
2837	}	3757	}
2838		3758
2839	sub init {	3759	sub reload_config {
2840	reload_resources;	3760	trace "reloading config file...\n";
2841	}
2842		3761
2843	sub cfg_load {	3762	my $config = load_file "$CONFDIR/config";
2844	open my $fh, "<:utf8", "$CONFDIR/config"	3763	utf8::decode $config;
2845	or return;	3764	*CFG = decode_yaml $config;
2846		3765
2847	local $/;
2848	*CFG = YAML::Syck::Load <$fh>;
2849
2850	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3766	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2851		3767
2852	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3768	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2853	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3769	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2854		3770
2855	if (exists $CFG{mlockall}) {	3771	if (exists $CFG{mlockall}) {
…		…
2859	};	3775	};
2860	warn $@ if $@;	3776	warn $@ if $@;
2861	}	3777	}
2862	}	3778	}
2863		3779
		3780	sub pidfile() {
		3781	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3782	or die "$PIDFILE: $!";
		3783	flock $fh, &Fcntl::LOCK_EX
		3784	or die "$PIDFILE: flock: $!";
		3785	$fh
		3786	}
		3787
		3788	# make sure only one server instance is running at any one time
		3789	sub atomic {
		3790	my $fh = pidfile;
		3791
		3792	my $pid = <$fh>;
		3793	kill 9, $pid if $pid > 0;
		3794
		3795	seek $fh, 0, 0;
		3796	print $fh $$;
		3797	}
		3798
		3799	sub main_loop {
		3800	trace "EV::loop starting\n";
		3801	if (1) {
		3802	EV::loop;
		3803	}
		3804	trace "EV::loop returned\n";
		3805	goto &main_loop unless $REALLY_UNLOOP;
		3806	}
		3807
2864	sub main {	3808	sub main {
		3809	cf::init_globals; # initialise logging
		3810
		3811	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3812	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3813	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3814	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3815
		3816	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3817
2865	# we must not ever block the main coroutine	3818	# we must not ever block the main coroutine
2866	local $Coro::idle = sub {	3819	$Coro::idle = sub {
2867	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3820	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2868	(async {	3821	(async {
2869	Event::one_event;	3822	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3823	EV::loop EV::LOOP_ONESHOT;
2870	})->prio (Coro::PRIO_MAX);	3824	})->prio (Coro::PRIO_MAX);
2871	};	3825	};
2872		3826
2873	cfg_load;	3827	evthread_start IO::AIO::poll_fileno;
		3828
		3829	cf::sync_job {
		3830	cf::incloader::init ();
		3831
2874	db_init;	3832	db_init;
		3833
		3834	cf::init_anim;
		3835	cf::init_attackmess;
		3836	cf::init_dynamic;
		3837
		3838	cf::load_settings;
		3839
		3840	reload_resources;
		3841	reload_config;
		3842
		3843	cf::init_uuid;
		3844	cf::init_signals;
		3845	cf::init_skills;
		3846
		3847	cf::init_beforeplay;
		3848
		3849	atomic;
		3850
2875	load_extensions;	3851	load_extensions;
2876		3852
2877	$TICK_WATCHER->start;	3853	utime time, time, $RUNTIMEFILE;
2878	Event::loop;	3854
		3855	# no (long-running) fork's whatsoever before this point(!)
		3856	use POSIX ();
		3857	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3858
		3859	cf::_post_init 0;
		3860	};
		3861
		3862	cf::object::thawer::errors_are_fatal 0;
		3863	info "parse errors in files are no longer fatal from this point on.\n";
		3864
		3865	AE::postpone {
		3866	undef &main; # free gobs of memory :)
		3867	};
		3868
		3869	goto &main_loop;
2879	}	3870	}
2880		3871
2881	#############################################################################	3872	#############################################################################
2882	# initialisation and cleanup	3873	# initialisation and cleanup
2883		3874
2884	# install some emergency cleanup handlers	3875	# install some emergency cleanup handlers
2885	BEGIN {	3876	BEGIN {
		3877	our %SIGWATCHER = ();
2886	for my $signal (qw(INT HUP TERM)) {	3878	for my $signal (qw(INT HUP TERM)) {
2887	Event->signal (	3879	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2888	reentrant => 0,
2889	data => WF_AUTOCANCEL,
2890	signal => $signal,
2891	prio => 0,
2892	cb => sub {
2893	cf::cleanup "SIG$signal";	3880	cf::cleanup "SIG$signal";
2894	},
2895	);	3881	};
2896	}	3882	}
2897	}	3883	}
2898		3884
2899	sub write_runtime {	3885	sub write_runtime_sync {
2900	my $runtime = "$LOCALDIR/runtime";	3886	my $t0 = AE::time;
2901		3887
2902	# first touch the runtime file to show we are still running:	3888	# first touch the runtime file to show we are still running:
2903	# the fsync below can take a very very long time.	3889	# the fsync below can take a very very long time.
2904		3890
2905	IO::AIO::aio_utime $runtime, undef, undef;	3891	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2906		3892
2907	my $guard = cf::lock_acquire "write_runtime";	3893	my $guard = cf::lock_acquire "write_runtime";
2908		3894
2909	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3895	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2910	or return;	3896	or return;
2911		3897
2912	my $value = $cf::RUNTIME + 90 + 10;	3898	my $value = $cf::RUNTIME + 90 + 10;
2913	# 10 is the runtime save interval, for a monotonic clock	3899	# 10 is the runtime save interval, for a monotonic clock
2914	# 60 allows for the watchdog to kill the server.	3900	# 60 allows for the watchdog to kill the server.
…		…
2924	aio_utime $fh, undef, undef;	3910	aio_utime $fh, undef, undef;
2925		3911
2926	close $fh	3912	close $fh
2927	or return;	3913	or return;
2928		3914
2929	aio_rename "$runtime~", $runtime	3915	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2930	and return;	3916	and return;
2931		3917
2932	warn "runtime file written.\n";	3918	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2933		3919
2934	1	3920	1
		3921	}
		3922
		3923	our $uuid_lock;
		3924	our $uuid_skip;
		3925
		3926	sub write_uuid_sync($) {
		3927	$uuid_skip ||= $_[0];
		3928
		3929	return if $uuid_lock;
		3930	local $uuid_lock = 1;
		3931
		3932	my $uuid = "$LOCALDIR/uuid";
		3933
		3934	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3935	or return;
		3936
		3937	my $value = uuid_seq uuid_cur;
		3938
		3939	unless ($value) {
		3940	info "cowardly refusing to write zero uuid value!\n";
		3941	return;
		3942	}
		3943
		3944	my $value = uuid_str $value + $uuid_skip;
		3945	$uuid_skip = 0;
		3946
		3947	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3948	and return;
		3949
		3950	# always fsync - this file is important
		3951	aio_fsync $fh
		3952	and return;
		3953
		3954	close $fh
		3955	or return;
		3956
		3957	aio_rename "$uuid~", $uuid
		3958	and return;
		3959
		3960	trace "uuid file written ($value).\n";
		3961
		3962	1
		3963
		3964	}
		3965
		3966	sub write_uuid($$) {
		3967	my ($skip, $sync) = @_;
		3968
		3969	$sync ? write_uuid_sync $skip
		3970	: async { write_uuid_sync $skip };
2935	}	3971	}
2936		3972
2937	sub emergency_save() {	3973	sub emergency_save() {
2938	my $freeze_guard = cf::freeze_mainloop;	3974	my $freeze_guard = cf::freeze_mainloop;
2939		3975
2940	warn "enter emergency perl save\n";	3976	info "emergency_perl_save: enter\n";
		3977
		3978	# this is a trade-off: we want to be very quick here, so
		3979	# save all maps without fsync, and later call a global sync
		3980	# (which in turn might be very very slow)
		3981	local $USE_FSYNC = 0;
2941		3982
2942	cf::sync_job {	3983	cf::sync_job {
		3984	cf::write_runtime_sync; # external watchdog should not bark
		3985
2943	# use a peculiar iteration method to avoid tripping on perl	3986	# use a peculiar iteration method to avoid tripping on perl
2944	# refcount bugs in for. also avoids problems with players	3987	# refcount bugs in for. also avoids problems with players
2945	# and maps saved/destroyed asynchronously.	3988	# and maps saved/destroyed asynchronously.
2946	warn "begin emergency player save\n";	3989	info "emergency_perl_save: begin player save\n";
2947	for my $login (keys %cf::PLAYER) {	3990	for my $login (keys %cf::PLAYER) {
2948	my $pl = $cf::PLAYER{$login} or next;	3991	my $pl = $cf::PLAYER{$login} or next;
2949	$pl->valid or next;	3992	$pl->valid or next;
		3993	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2950	$pl->save;	3994	$pl->save;
2951	}	3995	}
2952	warn "end emergency player save\n";	3996	info "emergency_perl_save: end player save\n";
2953		3997
2954	warn "begin emergency map save\n";	3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	info "emergency_perl_save: begin map save\n";
2955	for my $path (keys %cf::MAP) {	4001	for my $path (keys %cf::MAP) {
2956	my $map = $cf::MAP{$path} or next;	4002	my $map = $cf::MAP{$path} or next;
2957	$map->valid or next;	4003	$map->valid or next;
2958	$map->save;	4004	$map->save;
2959	}	4005	}
2960	warn "end emergency map save\n";	4006	info "emergency_perl_save: end map save\n";
2961		4007
2962	warn "begin emergency database checkpoint\n";	4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	info "emergency_perl_save: begin database checkpoint\n";
2963	BDB::db_env_txn_checkpoint $DB_ENV;	4011	BDB::db_env_txn_checkpoint $DB_ENV;
2964	warn "end emergency database checkpoint\n";	4012	info "emergency_perl_save: end database checkpoint\n";
		4013
		4014	info "emergency_perl_save: begin write uuid\n";
		4015	write_uuid_sync 1;
		4016	info "emergency_perl_save: end write uuid\n";
		4017
		4018	cf::write_runtime_sync; # external watchdog should not bark
		4019
		4020	trace "emergency_perl_save: syncing database to disk";
		4021	BDB::db_env_txn_checkpoint $DB_ENV;
		4022
		4023	info "emergency_perl_save: starting sync\n";
		4024	IO::AIO::aio_sync sub {
		4025	info "emergency_perl_save: finished sync\n";
		4026	};
		4027
		4028	cf::write_runtime_sync; # external watchdog should not bark
		4029
		4030	trace "emergency_perl_save: flushing outstanding aio requests";
		4031	while (IO::AIO::nreqs || BDB::nreqs) {
		4032	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4033	}
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
2965	};	4036	};
2966		4037
2967	warn "leave emergency perl save\n";	4038	info "emergency_perl_save: leave\n";
2968	}	4039	}
2969		4040
2970	sub post_cleanup {	4041	sub post_cleanup {
2971	my ($make_core) = @_;	4042	my ($make_core) = @_;
2972		4043
		4044	IO::AIO::flush;
		4045
2973	warn Carp::longmess "post_cleanup backtrace"	4046	error Carp::longmess "post_cleanup backtrace"
2974	if $make_core;	4047	if $make_core;
		4048
		4049	my $fh = pidfile;
		4050	unlink $PIDFILE if <$fh> == $$;
		4051	}
		4052
		4053	# a safer delete_package, copied from Symbol
		4054	sub clear_package($) {
		4055	my $pkg = shift;
		4056
		4057	# expand to full symbol table name if needed
		4058	unless ($pkg =~ /^main::.*::$/) {
		4059	$pkg = "main$pkg" if $pkg =~ /^::/;
		4060	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4061	$pkg .= '::' unless $pkg =~ /::$/;
		4062	}
		4063
		4064	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4065	my $stem_symtab = *{$stem}{HASH};
		4066
		4067	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4068	or return;
		4069
		4070	# clear all symbols
		4071	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4072	for my $name (keys %$leaf_symtab) {
		4073	_gv_clear *{"$pkg$name"};
		4074	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4075	}
2975	}	4076	}
2976		4077
2977	sub do_reload_perl() {	4078	sub do_reload_perl() {
2978	# can/must only be called in main	4079	# can/must only be called in main
2979	if ($Coro::current != $Coro::main) {	4080	unless (in_main) {
2980	warn "can only reload from main coroutine";	4081	error "can only reload from main coroutine";
2981	return;	4082	return;
2982	}	4083	}
2983		4084
2984	warn "reloading...";	4085	return if $RELOAD++;
2985		4086
2986	warn "entering sync_job";	4087	my $t1 = AE::time;
2987		4088
		4089	while ($RELOAD) {
		4090	cf::get_slot 0.1, -1, "reload_perl";
		4091	info "perl_reload: reloading...";
		4092
		4093	trace "perl_reload: entering sync_job";
		4094
2988	cf::sync_job {	4095	cf::sync_job {
2989	cf::write_runtime; # external watchdog should not bark
2990	cf::emergency_save;	4096	#cf::emergency_save;
2991	cf::write_runtime; # external watchdog should not bark
2992		4097
2993	warn "syncing database to disk";
2994	BDB::db_env_txn_checkpoint $DB_ENV;
2995
2996	# if anything goes wrong in here, we should simply crash as we already saved
2997
2998	warn "cancelling all WF_AUTOCANCEL watchers";
2999	for (Event::all_watchers) {
3000	$_->cancel if $_->data & WF_AUTOCANCEL;
3001	}
3002
3003	warn "flushing outstanding aio requests";
3004	for (;;) {
3005	BDB::flush;
3006	IO::AIO::flush;
3007	Coro::cede;
3008	last unless IO::AIO::nreqs || BDB::nreqs;
3009	warn "iterate...";
3010	}
3011
3012	++$RELOAD;
3013
3014	warn "cancelling all extension coros";	4098	trace "perl_reload: cancelling all extension coros";
3015	$_->cancel for values %EXT_CORO;	4099	$_->cancel for values %EXT_CORO;
3016	%EXT_CORO = ();	4100	%EXT_CORO = ();
3017		4101
3018	warn "removing commands";	4102	trace "perl_reload: removing commands";
3019	%COMMAND = ();	4103	%COMMAND = ();
3020		4104
3021	warn "removing ext/exti commands";	4105	trace "perl_reload: removing ext/exti commands";
3022	%EXTCMD = ();	4106	%EXTCMD = ();
3023	%EXTICMD = ();	4107	%EXTICMD = ();
3024		4108
3025	warn "unloading/nuking all extensions";	4109	trace "perl_reload: unloading/nuking all extensions";
3026	for my $pkg (@EXTS) {	4110	for my $pkg (@EXTS) {
3027	warn "... unloading $pkg";	4111	trace "... unloading $pkg";
3028		4112
3029	if (my $cb = $pkg->can ("unload")) {	4113	if (my $cb = $pkg->can ("unload")) {
3030	eval {	4114	eval {
3031	$cb->($pkg);	4115	$cb->($pkg);
3032	1	4116	1
3033	} or warn "$pkg unloaded, but with errors: $@";	4117	} or error "$pkg unloaded, but with errors: $@";
		4118	}
		4119
		4120	trace "... clearing $pkg";
		4121	clear_package $pkg;
3034	}	4122	}
3035		4123
3036	warn "... nuking $pkg";
3037	Symbol::delete_package $pkg;
3038	}
3039
3040	warn "unloading all perl modules loaded from $LIBDIR";	4124	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3041	while (my ($k, $v) = each %INC) {	4125	while (my ($k, $v) = each %INC) {
3042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4126	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3043		4127
3044	warn "... unloading $k";	4128	trace "... unloading $k";
3045	delete $INC{$k};	4129	delete $INC{$k};
3046		4130
3047	$k =~ s/\.pm$//;	4131	$k =~ s/\.pm$//;
3048	$k =~ s/\//::/g;	4132	$k =~ s/\//::/g;
3049		4133
3050	if (my $cb = $k->can ("unload_module")) {	4134	if (my $cb = $k->can ("unload_module")) {
3051	$cb->();	4135	$cb->();
		4136	}
		4137
		4138	clear_package $k;
3052	}	4139	}
3053		4140
3054	Symbol::delete_package $k;
3055	}
3056
3057	warn "getting rid of safe::, as good as possible";	4141	trace "perl_reload: getting rid of safe::, as good as possible";
3058	Symbol::delete_package "safe::$_"	4142	clear_package "safe::$_"
3059	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4143	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3060		4144
3061	warn "unloading cf.pm \"a bit\"";	4145	trace "perl_reload: unloading cf.pm \"a bit\"";
3062	delete $INC{"cf.pm"};	4146	delete $INC{"cf.pm"};
3063	delete $INC{"cf/pod.pm"};	4147	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3064		4148
3065	# don't, removes xs symbols, too,	4149	# don't, removes xs symbols, too,
3066	# and global variables created in xs	4150	# and global variables created in xs
3067	#Symbol::delete_package __PACKAGE__;	4151	#clear_package __PACKAGE__;
3068		4152
3069	warn "unload completed, starting to reload now";	4153	info "perl_reload: unload completed, starting to reload now";
3070		4154
3071	warn "reloading cf.pm";	4155	trace "perl_reload: reloading cf.pm";
3072	require cf;	4156	require cf;
3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4157	cf::_connect_to_perl_1;
3074		4158
3075	warn "loading config and database again";	4159	trace "perl_reload: loading config and database again";
3076	cf::cfg_load;	4160	cf::reload_config;
3077		4161
3078	warn "loading extensions";	4162	trace "perl_reload: loading extensions";
3079	cf::load_extensions;	4163	cf::load_extensions;
3080		4164
		4165	if ($REATTACH_ON_RELOAD) {
3081	warn "reattaching attachments to objects/players";	4166	trace "perl_reload: reattaching attachments to objects/players";
3082	_global_reattach; # objects, sockets	4167	_global_reattach; # objects, sockets
3083	warn "reattaching attachments to maps";	4168	trace "perl_reload: reattaching attachments to maps";
3084	reattach $_ for values %MAP;	4169	reattach $_ for values %MAP;
3085	warn "reattaching attachments to players";	4170	trace "perl_reload: reattaching attachments to players";
3086	reattach $_ for values %PLAYER;	4171	reattach $_ for values %PLAYER;
		4172	}
3087		4173
3088	warn "leaving sync_job";	4174	cf::_post_init 1;
3089		4175
		4176	trace "perl_reload: leaving sync_job";
		4177
3090	1	4178	1
3091	} or do {	4179	} or do {
3092	warn $@;	4180	error $@;
3093	warn "error while reloading, exiting.";	4181	cf::cleanup "perl_reload: error, exiting.";
3094	exit 1;	4182	};
		4183
		4184	--$RELOAD;
3095	};	4185	}
3096		4186
3097	warn "reloaded";	4187	$t1 = AE::time - $t1;
		4188	info "perl_reload: completed in ${t1}s\n";
3098	};	4189	};
3099		4190
3100	our $RELOAD_WATCHER; # used only during reload	4191	our $RELOAD_WATCHER; # used only during reload
3101		4192
3102	sub reload_perl() {	4193	sub reload_perl() {
3103	# doing reload synchronously and two reloads happen back-to-back,	4194	# doing reload synchronously and two reloads happen back-to-back,
3104	# coro crashes during coro_state_free->destroy here.	4195	# coro crashes during coro_state_free->destroy here.
3105		4196
3106	$RELOAD_WATCHER ||= Event->timer (	4197	$RELOAD_WATCHER ||= cf::async {
3107	reentrant => 0,	4198	Coro::AIO::aio_wait cache_extensions;
3108	after => 0,	4199
3109	data => WF_AUTOCANCEL,	4200	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3110	cb => sub {
3111	do_reload_perl;	4201	do_reload_perl;
3112	undef $RELOAD_WATCHER;	4202	undef $RELOAD_WATCHER;
3113	},	4203	};
3114	);	4204	};
3115	}	4205	}
3116		4206
3117	register_command "reload" => sub {	4207	register_command "reload" => sub {
3118	my ($who, $arg) = @_;	4208	my ($who, $arg) = @_;
3119		4209
3120	if ($who->flag (FLAG_WIZ)) {	4210	if ($who->flag (FLAG_WIZ)) {
3121	$who->message ("reloading server.");	4211	$who->message ("reloading server.");
		4212	async {
		4213	$Coro::current->{desc} = "perl_reload";
3122	async { reload_perl };	4214	reload_perl;
		4215	};
3123	}	4216	}
3124	};	4217	};
3125		4218
3126	unshift @INC, $LIBDIR;	4219	#############################################################################
3127		4220
3128	my $bug_warning = 0;	4221	my $bug_warning = 0;
3129		4222
3130	our @WAIT_FOR_TICK;
3131	our @WAIT_FOR_TICK_BEGIN;
3132
3133	sub wait_for_tick {	4223	sub wait_for_tick() {
3134	return unless $TICK_WATCHER->is_active;	4224	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3135	return if $Coro::current == $Coro::main;
3136		4225
3137	my $signal = new Coro::Signal;	4226	$WAIT_FOR_TICK->wait;
3138	push @WAIT_FOR_TICK, $signal;
3139	$signal->wait;
3140	}	4227	}
3141		4228
3142	sub wait_for_tick_begin {	4229	sub wait_for_tick_begin() {
3143	return unless $TICK_WATCHER->is_active;	4230	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3144	return if $Coro::current == $Coro::main;
3145		4231
3146	my $signal = new Coro::Signal;	4232	my $signal = new Coro::Signal;
3147	push @WAIT_FOR_TICK_BEGIN, $signal;	4233	push @WAIT_FOR_TICK_BEGIN, $signal;
3148	$signal->wait;	4234	$signal->wait;
3149	}	4235	}
3150		4236
3151	my $min = 1e6;#d#	4237	sub tick {
3152	my $avg = 10;
3153	$TICK_WATCHER = Event->timer (
3154	reentrant => 0,
3155	parked => 1,
3156	prio => 0,
3157	at => $NEXT_TICK || $TICK,
3158	data => WF_AUTOCANCEL,
3159	cb => sub {
3160	if ($Coro::current != $Coro::main) {	4238	if ($Coro::current != $Coro::main) {
3161	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4239	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3162	unless ++$bug_warning > 10;	4240	unless ++$bug_warning > 10;
3163	return;	4241	return;
3164	}	4242	}
3165		4243
3166	$NOW = $tick_start = Event::time;	4244	cf::one_tick; # one server iteration
3167		4245
3168	cf::server_tick; # one server iteration	4246	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3169		4247
3170	0 && sync_job {#d#	4248	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3171	for(1..10) {	4249	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3172	my $t = Event::time;	4250	Coro::async_pool {
3173	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4251	$Coro::current->{desc} = "runtime saver";
3174	or die;	4252	write_runtime_sync
3175		4253	or error "ERROR: unable to write runtime file: $!";
3176	$map->width (50);
3177	$map->height (50);
3178	$map->alloc;
3179	$map->_load_objects ("/tmp/x.map", 1);
3180	my $t = Event::time - $t;
3181
3182	#next unless $t < 0.0013;#d#
3183	if ($t < $min) {
3184	$min = $t;
3185	}
3186	$avg = $avg * 0.99 + $t * 0.01;
3187	}
3188	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3189	exit 0;
3190	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3191	};	4254	};
		4255	}
3192		4256
3193	$RUNTIME += $TICK;
3194	$NEXT_TICK += $TICK;
3195
3196	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3197	$NEXT_RUNTIME_WRITE = $NOW + 10;
3198	Coro::async_pool {
3199	write_runtime
3200	or warn "ERROR: unable to write runtime file: $!";
3201	};
3202	}
3203
3204	# my $AFTER = Event::time;
3205	# warn $AFTER - $NOW;#d#
3206
3207	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4257	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3208	$sig->send;	4258	$sig->send;
3209	}	4259	}
3210	while (my $sig = shift @WAIT_FOR_TICK) {	4260	$WAIT_FOR_TICK->broadcast;
3211	$sig->send;
3212	}
3213		4261
3214	$NOW = Event::time;	4262	$LOAD = ($NOW - $TICK_START) / $TICK;
3215
3216	# if we are delayed by four ticks or more, skip them all
3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3218
3219	$TICK_WATCHER->at ($NEXT_TICK);
3220	$TICK_WATCHER->start;
3221
3222	$LOAD = ($NOW - $tick_start) / $TICK;
3223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4263	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3224		4264
3225	_post_tick;	4265	if (0) {
3226		4266	if ($NEXT_TICK) {
3227		4267	my $jitter = $TICK_START - $NEXT_TICK;
		4268	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4269	debug "jitter $JITTER\n";#d#
		4270	}
3228	},	4271	}
3229	);	4272	}
3230		4273
3231	{	4274	{
3232	BDB::max_poll_time $TICK * 0.1;	4275	# configure BDB
3233	$BDB_POLL_WATCHER = Event->io (	4276	info "initialising database";
3234	reentrant => 0,	4277
3235	fd => BDB::poll_fileno,
3236	poll => 'r',
3237	prio => 0,
3238	data => WF_AUTOCANCEL,
3239	cb => \&BDB::poll_cb,
3240	);
3241	BDB::min_parallel 8;	4278	BDB::min_parallel 16;
3242		4279	BDB::max_poll_reqs $TICK * 0.1;
3243	BDB::set_sync_prepare {	4280	#$AnyEvent::BDB::WATCHER->priority (1);
3244	my $status;
3245	my $current = $Coro::current;
3246	(
3247	sub {
3248	$status = $!;
3249	$current->ready; undef $current;
3250	},
3251	sub {
3252	Coro::schedule while defined $current;
3253	$! = $status;
3254	},
3255	)
3256	};
3257		4281
3258	unless ($DB_ENV) {	4282	unless ($DB_ENV) {
3259	$DB_ENV = BDB::db_env_create;	4283	$DB_ENV = BDB::db_env_create;
		4284	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4285	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4286	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4287	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4288	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3260		4289
3261	cf::sync_job {	4290	cf::sync_job {
3262	eval {	4291	eval {
3263	BDB::db_env_open	4292	BDB::db_env_open
3264	$DB_ENV,	4293	$DB_ENV,
…		…
3266	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3267	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3268	0666;	4297	0666;
3269		4298
3270	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3271
3272	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3273	$DB_ENV->set_lk_detect;
3274	};	4300	};
3275		4301
3276	cf::cleanup "db_env_open(db): $@" if $@;	4302	cf::cleanup "db_env_open(db): $@" if $@;
3277	};	4303	};
3278	}	4304	}
		4305
		4306	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4307	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4308	};
		4309	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4310	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4311	};
		4312	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4313	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4314	};
		4315
		4316	info "database initialised";
3279	}	4317	}
3280		4318
3281	{	4319	{
		4320	# configure IO::AIO
		4321
		4322	info "initialising aio";
3282	IO::AIO::min_parallel 8;	4323	IO::AIO::min_parallel 8;
3283
3284	undef $Coro::AIO::WATCHER;
3285	IO::AIO::max_poll_time $TICK * 0.1;	4324	IO::AIO::max_poll_time $TICK * 0.1;
3286	$AIO_POLL_WATCHER = Event->io (	4325	undef $AnyEvent::AIO::WATCHER;
3287	reentrant => 0,	4326	info "aio initialised";
3288	data => WF_AUTOCANCEL,
3289	fd => IO::AIO::poll_fileno,
3290	poll => 'r',
3291	prio => 6,
3292	cb => \&IO::AIO::poll_cb,
3293	);
3294	}	4327	}
3295		4328
3296	my $_log_backtrace;	4329	our $_log_backtrace;
		4330	our $_log_backtrace_last;
3297		4331
3298	sub _log_backtrace {	4332	sub _log_backtrace {
3299	my ($msg, @addr) = @_;	4333	my ($msg, @addr) = @_;
3300		4334
3301	$msg =~ s/\n//;	4335	$msg =~ s/\n$//;
3302		4336
		4337	if ($_log_backtrace_last eq $msg) {
		4338	LOG llevInfo, "[ABT] $msg\n";
		4339	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3303	# limit the # of concurrent backtraces	4340	# limit the # of concurrent backtraces
3304	if ($_log_backtrace < 2) {	4341	} elsif ($_log_backtrace < 2) {
		4342	$_log_backtrace_last = $msg;
3305	++$_log_backtrace;	4343	++$_log_backtrace;
		4344	my $perl_bt = Carp::longmess $msg;
3306	async {	4345	async {
		4346	$Coro::current->{desc} = "abt $msg";
		4347
3307	my @bt = fork_call {	4348	my @bt = fork_call {
3308	@addr = map { sprintf "%x", $_ } @addr;	4349	@addr = map { sprintf "%x", $_ } @addr;
3309	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4350	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3310	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4351	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3311	or die "addr2line: $!";	4352	or die "addr2line: $!";
…		…
3319	}	4360	}
3320		4361
3321	@funcs	4362	@funcs
3322	};	4363	};
3323		4364
3324	LOG llevInfo, "[ABT] $msg\n";	4365	LOG llevInfo, "[ABT] $perl_bt\n";
		4366	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3325	LOG llevInfo, "[ABT] $_\n" for @bt;	4367	LOG llevInfo, "[ABT] $_\n" for @bt;
3326	--$_log_backtrace;	4368	--$_log_backtrace;
3327	};	4369	};
3328	} else {	4370	} else {
3329	LOG llevInfo, "[ABT] $msg\n";	4371	LOG llevInfo, "[ABT] $msg\n";
3330	LOG llevInfo, "[ABT] [suppressed]\n";	4372	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3331	}	4373	}
3332	}	4374	}
3333		4375
3334	# load additional modules	4376	# load additional modules
3335	use cf::pod;	4377	require "cf/$_.pm" for @EXTRA_MODULES;
		4378	cf::_connect_to_perl_2;
3336		4379
3337	END { cf::emergency_save }	4380	END { cf::emergency_save }
3338		4381
3339	1	4382	1
3340		4383

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