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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.299 by root, Sun Jul 8 14:56:05 2007 UTC vs.
Revision 1.591 by root, Tue Nov 6 23:33:15 2012 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
31	use IO::AIO 2.32 ();	62	use IO::AIO ();
32	use Time::HiRes;	63	use Time::HiRes;
33	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
34		68
35	# configure various modules to our taste	69	# configure various modules to our taste
36	#	70	#
37	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		79
41	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
42		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		82
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
49		86
50	our %COMMAND = ();	87	our %COMMAND = ();
51	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
52		89
53	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	91	our %EXTCMD = ();
55	our %EXTICMD = ();	92	our %EXTICMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
58		95
59	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
61		100
62	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
63	our $DATADIR = datadir;	103	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
67	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
		114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
73		124
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	127	our $NEXT_TICK;
		128	our $USE_FSYNC = 1; # use fsync to write maps - default on
		129
		130	our $BDB_DEADLOCK_WATCHER;
		131	our $BDB_CHECKPOINT_WATCHER;
		132	our $BDB_TRICKLE_WATCHER;
		133	our $DB_ENV;
		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
		137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		139
		140	our $UPTIME; $UPTIME ||= time;
		141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
79	our $NOW;	143	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		144
82	our $BDB_POLL_WATCHER;	145	our (%PLAYER, %PLAYER_LOADING); # all users
83	our $DB_ENV;	146	our (%MAP, %MAP_LOADING ); # all maps
84
85	our %CFG;
86
87	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;
89
90	our %PLAYER; # all users
91	our %MAP; # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
93		148
94	# used to convert map paths into valid unix filenames by replacing / by ∕	149	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	150	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		151
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
		154	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
100		164
101	binmode STDOUT;	165	binmode STDOUT;
102	binmode STDERR;	166	binmode STDERR;
103		167
104	# read virtual server time, if available	168	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
109	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
110		176
111	mkdir $_	177	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		179
114	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
115		181
116	sub cf::map::normalise;	182	sub cf::map::normalise;
117		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
118	#############################################################################	188	#############################################################################
119		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
120	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
121		202
122	=over 4	203	=over 4
123		204
124	=item $cf::UPTIME	205	=item $cf::UPTIME
125		206
126	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
127		223
128	=item $cf::RUNTIME	224	=item $cf::RUNTIME
129		225
130	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
131	every server tick.	227	every server tick.
132		228
133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
136		232
137	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
139	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
140	database environment.	236	database environment.
141		237
142	=item $cf::NOW
143
144	The time of the last (current) server tick.
145
146	=item $cf::TICK
147
148	The interval between server ticks, in seconds.
149
150	=item $cf::LOADAVG	238	=item $cf::LOADAVG
151		239
152	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
153	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
154	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
157		245
158	The raw value load value from the last tick.	246	The raw value load value from the last tick.
159		247
160	=item %cf::CFG	248	=item %cf::CFG
161		249
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	250	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	251	from wherever your confdir points to.
164		252
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		254
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
168	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
170		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
		276	=item @cf::INVOKE_RESULTS
		277
		278	This array contains the results of the last C<invoke ()> call. When
		279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		280	that call.
		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
171	=back	288	=back
172		289
173	=cut	290	=cut
174		291
175	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	299	my $msg = join "", @_;
178		300
179	$msg .= "\n"	301	$msg .= "\n"
180	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
181		303
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		305
184	utf8::encode $msg;
185	LOG llevError, $msg;	306	LOG llevWarn, $msg;
186	};	307	};
187	}	308
		309	$Coro::State::DIEHOOK = sub {
		310	return unless $^S eq 0; # "eq", not "=="
		311
		312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
		315	error "DIEHOOK called in main context, Coro bug?\n";#d#
		316	return;#d#
		317	}#d#
		318
		319	# kill coroutine otherwise
		320	Coro::terminate
		321	};
188		322
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	333	for my $pkg (qw(
200	cf::global cf::attachable	334	cf::global cf::attachable
201	cf::object cf::object::player	335	cf::object cf::object::player
202	cf::client cf::player	336	cf::client cf::player
203	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
204	cf::map cf::party cf::region	339	cf::party cf::region
205	)) {	340	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	342	}
209		343
210	$Event::DIED = sub {	344	$EV::DIED = sub {
211	warn "error in event callback: @_";	345	warn "error in event callback: $@";
212	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
213		352
214	#############################################################################	353	#############################################################################
215		354
216	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
217		356
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	378	$d
240	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
241	}	380	}
242		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
243	=item $ref = cf::from_json $json	434	=item $ref = cf::decode_json $json
244		435
245	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
246		437
247	=item $json = cf::to_json $ref	438	=item $json = cf::encode_json $ref
248		439
249	Converts a perl data structure into its JSON representation.	440	Converts a perl data structure into its JSON representation.
250		441
251	=cut	442	=cut
252		443
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		445
255	sub to_json ($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
257		510
258	=item cf::lock_wait $string	511	=item cf::lock_wait $string
259		512
260	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
261		514
262	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
263		516
264	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
267	returned.	520	returned.
268		521
		522	Locks are *not* recursive, locking from the same coro twice results in a
		523	deadlocked coro.
		524
269	Lock names should begin with a unique identifier (for example, cf::map::find	525	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	526	uses map_find and cf::map::load uses map_load).
271		527
272	=item $locked = cf::lock_active $string	528	=item $locked = cf::lock_active $string
273		529
274	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
275		531
276	=cut	532	=cut
277		533
278	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
279		535
280	sub lock_wait($) {	536	sub lock_wait($) {
281	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	538	}
289		539
290	sub lock_acquire($) {	540	sub lock_acquire($) {
291	my ($key) = @_;	541	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	542	}
303		543
304	sub lock_active($) {	544	sub lock_active($) {
305	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	546	}
309		547
310	sub freeze_mainloop {	548	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	549	tick_inhibit_inc;
312		550
313	my $guard = Coro::guard {	551	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	552	}
		553
		554	=item cf::periodic $interval, $cb
		555
		556	Like EV::periodic, but randomly selects a starting point so that the actions
		557	get spread over time.
		558
		559	=cut
		560
		561	sub periodic($$) {
		562	my ($interval, $cb) = @_;
		563
		564	my $start = rand List::Util::min 180, $interval;
		565
		566	EV::periodic $start, $interval, 0, $cb
		567	}
		568
		569	=item cf::get_slot $time[, $priority[, $name]]
		570
		571	Allocate $time seconds of blocking CPU time at priority C<$priority>
		572	(default: 0): This call blocks and returns only when you have at least
		573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
		578
		579	The optional C<$name> can be used to identify the job to run. It might be
		580	used for statistical purposes and should identify the same time-class.
		581
		582	Useful for short background jobs.
		583
		584	=cut
		585
		586	our @SLOT_QUEUE;
		587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
		589
		590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		591	$SLOT_QUEUE = Coro::async {
		592	$Coro::current->desc ("timeslot manager");
		593
		594	my $signal = new Coro::Signal;
		595	my $busy;
		596
		597	while () {
		598	next_job:
		599
		600	my $avail = cf::till_tick;
		601
		602	for (0 .. $#SLOT_QUEUE) {
		603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
		605	my $job = splice @SLOT_QUEUE, $_, 1, ();
		606	$job->[2]->send;
		607	Coro::cede;
		608	goto next_job;
		609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		611	}
		612	}
		613
		614	if (@SLOT_QUEUE) {
		615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		616	$WAIT_FOR_TICK->wait;
		617	} else {
		618	$busy = 0;
		619	Coro::schedule;
		620	}
315	};	621	}
316	$TICK_WATCHER->stop;	622	};
317	$guard	623
		624	sub get_slot($;$$) {
		625	return if tick_inhibit || $Coro::current == $Coro::main;
		626
		627	my ($time, $pri, $name) = @_;
		628
		629	$time = clamp $time, 0.01, $TICK * .6;
		630
		631	my $sig = new Coro::Signal;
		632
		633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		635	$SLOT_QUEUE->ready;
		636	$sig->wait;
318	}	637	}
319		638
320	=item cf::async { BLOCK }	639	=item cf::async { BLOCK }
321		640
322	Currently the same as Coro::async_pool, meaning you cannot use	641	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		646
328	BEGIN { *async = \&Coro::async_pool }	647	BEGIN { *async = \&Coro::async_pool }
329		648
330	=item cf::sync_job { BLOCK }	649	=item cf::sync_job { BLOCK }
331		650
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	651	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	652	is always able to handle events or runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	653	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	654	acceptable.
336		655
337	If it must be done, put the blocking parts into C<sync_job>. This will run	656	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	657	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	661	=cut
343		662
344	sub sync_job(&) {	663	sub sync_job(&) {
345	my ($job) = @_;	664	my ($job) = @_;
346		665
347	if ($Coro::current == $Coro::main) {	666	if (in_main) {
348	my $time = Event::time;	667	my $time = AE::time;
349		668
350	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
352		671
353	# TODO: use suspend/resume instead	672	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	673
355	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
356		675
357	my $busy = 1;	676	my $busy = 1;
358	my @res;	677	my @res;
359		678
360	(async {	679	(async {
		680	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	681	@res = eval { $job->() };
362	warn $@ if $@;	682	error $@ if $@;
363	undef $busy;	683	undef $busy;
364	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
365		685
366	while ($busy) {	686	while ($busy) {
367	Coro::cede or Event::one_event;	687	if (Coro::nready) {
		688	Coro::cede_notself;
		689	} else {
		690	EV::loop EV::LOOP_ONESHOT;
368	}	691	}
		692	}
369		693
370	$time = Event::time - $time;	694	my $time = AE::time - $time;
371		695
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
376		697
377	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
378	} else {	699	} else {
379	# we are in another coroutine, how wonderful, everything just works	700	# we are in another coroutine, how wonderful, everything just works
380		701
…		…
400	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
401		722
402	$coro	723	$coro
403	}	724	}
404		725
405	=item fork_call { }, $args	726	=item fork_call { }, @args
406		727
407	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	731	never block itself or use any form of event handling.
411		732
412	=cut	733	=cut
413		734
414	sub _store_scalar {	735	sub post_fork {
415	open my $fh, ">", \my $buf	736	reset_signals;
416	or die "fork_call: cannot open fh-to-buf in child : $!";
417	Storable::store_fd $_[0], $fh;
418	close $fh;
419
420	$buf
421	}	737	}
422		738
423	sub fork_call(&@) {	739	sub fork_call(&@) {
424	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
425		741
426	# 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,
427	# or die "socketpair: $!";	743	# otherwise perl prematurely frees the stuff :/
428	pipe my $fh1, my $fh2	744	# TODO: investigate and fix (likely this will be rather laborious)
429	or die "pipe: $!";
430		745
431	if (my $pid = fork) {	746	my @res = Coro::Util::fork_eval {
432	close $fh2;	747	cf::post_fork;
		748	&$cb
		749	} @args;
433		750
434	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	751	wantarray ? @res : $res[-1]
435	warn "pst<$res>" unless $res =~ /^pst/;	752	}
436	$res = Coro::Storable::thaw $res;
437		753
438	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave	754	sub objinfo {
439
440	Carp::confess $$res unless "ARRAY" eq ref $res;
441
442	return wantarray ? @$res : $res->[-1];
443	} else {
444	reset_signals;
445	local $SIG{__WARN__};
446	local $SIG{__DIE__};
447	# just in case, this hack effectively disables event
448	# in the child. cleaner and slower would be canceling all watchers,
449	# but this works for the time being.
450	local $Coro::idle;
451	$Coro::current->prio (Coro::PRIO_MAX);
452
453	eval {
454	close $fh1;
455
456	my @res = eval { $cb->(@args) };
457
458	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
459	close $fh2;
460	};
461
462	warn $@ if $@;
463	_exit 0;
464	}	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
465	}	790	}
466		791
467	=item $value = cf::db_get $family => $key	792	=item $value = cf::db_get $family => $key
468		793
469	Returns a single value from the environment database.	794	Returns a single value from the environment database.
…		…
471	=item cf::db_put $family => $key => $value	796	=item cf::db_put $family => $key => $value
472		797
473	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
474	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).
475		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
476	=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	}
477		827
478	our $DB;	828	our $DB;
479		829
480	sub db_init {	830	sub db_init {
481	unless ($DB) {	831	$DB ||= db_table "db";
482	$DB = BDB::db_create $DB_ENV;
483
484	cf::sync_job {
485	eval {
486	$DB->set_flags (BDB::CHKSUM);
487
488	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
489	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
490	cf::cleanup "db_open(db): $!" if $!;
491	};
492	cf::cleanup "db_open(db): $@" if $@;
493	};
494	}
495	}	832	}
496		833
497	sub db_get($$) {	834	sub db_get($$) {
498	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
499		836
500	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
501	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
502		841
503	$! ? ()	842	$! ? ()
504	: $data	843	: $data
505	}
506	}	844	}
507		845
508	sub db_put($$$) {	846	sub db_put($$$) {
509	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
510	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
538		876
539	my @data;	877	my @data;
540	my $md5;	878	my $md5;
541		879
542	for (0 .. $#$src) {	880	for (0 .. $#$src) {
543	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
544	or Carp::croak "$src->[$_]: $!";
545	}	882	}
546		883
547	# if processing is expensive, check	884	# if processing is expensive, check
548	# checksum first	885	# checksum first
549	if (1) {	886	if (1) {
550	$md5 =	887	$md5 =
551	join "\x00",	888	join "\x00",
552	$processversion,	889	$processversion,
553	map {	890	map {
554	Coro::cede;	891	cf::cede_to_tick;
555	($src->[$_], Digest::MD5::md5_hex $data[$_])	892	($src->[$_], Digest::MD5::md5_hex $data[$_])
556	} 0.. $#$src;	893	} 0.. $#$src;
557		894
558		895
559	my $dbmd5 = db_get cache => "$id/md5";	896	my $dbmd5 = db_get cache => "$id/md5";
…		…
566		903
567	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
568	my $data = $process->(\@data);	905	my $data = $process->(\@data);
569	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
570		907
571	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
572		909
573	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
574	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
575	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
576		913
…		…
586		923
587	=cut	924	=cut
588		925
589	sub datalog($@) {	926	sub datalog($@) {
590	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
591	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
592	}	929	}
593		930
594	=back	931	=back
595		932
596	=cut	933	=cut
597		934
598	#############################################################################	935	#############################################################################
599		936
600	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
601		938
602	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
603	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")
604	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
605		942
606	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>
607	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
608	Crossfire TRT).	945	Deliantra).
609		946
610	=over 4	947	=over 4
611		948
612	=item $attachable->attach ($attachment, key => $value...)	949	=item $attachable->attach ($attachment, key => $value...)
613		950
…		…
657	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
658		995
659	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
660	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
661		998
662	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
663	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.
664		1001
665	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
666		1003
667	=over 4	1004	=over 4
…		…
791		1128
792	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
793	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
794		1131
795	} elsif (ref $type) {	1132	} elsif (ref $type) {
796	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
797		1134
798	} else {	1135	} else {
799	shift @arg;	1136	shift @arg;
800	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
801	}	1138	}
802	}	1139	}
803	}	1140	}
804		1141
805	sub _object_attach {	1142	sub _object_attach {
…		…
815	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
816	}	1153	}
817		1154
818	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
819	} else {	1156	} else {
820	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
821	}	1158	}
822		1159
823	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
824	}	1161	}
825		1162
…		…
865	";	1202	";
866	die if $@;	1203	die if $@;
867	}	1204	}
868		1205
869	our $override;	1206	our $override;
870	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?
871		1208
872	sub override {	1209	sub override {
873	$override = 1;	1210	$override = 1;
874	@invoke_results = ();	1211	@INVOKE_RESULTS = (@_);
875	}	1212	}
876		1213
877	sub do_invoke {	1214	sub do_invoke {
878	my $event = shift;	1215	my $event = shift;
879	my $callbacks = shift;	1216	my $callbacks = shift;
880		1217
881	@invoke_results = ();	1218	@INVOKE_RESULTS = ();
882		1219
883	local $override;	1220	local $override;
884		1221
885	for (@$callbacks) {	1222	for (@$callbacks) {
886	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
887		1224
888	if ($@) {	1225	if ($@) {
889	warn "$@";
890	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
891	override;	1227	override;
892	}	1228	}
893		1229
894	return 1 if $override;	1230	return 1 if $override;
895	}	1231	}
896		1232
897	0	1233	0
898	}	1234	}
899		1235
900	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1236	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
901		1237
902	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
903		1239
904	Generate an object-specific event with the given arguments.	1240	Generate an object-specific event with the given arguments.
905		1241
906	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
907	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
908	results (if you must, access C<@cf::invoke_results> directly).	1244	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
909		1245
910	=back	1246	=back
911		1247
912	=cut	1248	=cut
913		1249
914	#############################################################################	1250	#############################################################################
915	# 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	}
916		1294
917	sub reattach {	1295	sub reattach {
918	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
919	my ($obj) = @_;	1297	my ($obj) = @_;
920		1298
		1299	# no longer needed after getting rid of delete_package?
921	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
922		1301
923	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
924		1303
925	@$registry = ();	1304	@$registry = ();
926		1305
…		…
931	for (@$attach) {	1310	for (@$attach) {
932	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
933	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
934	}	1313	}
935	} else {	1314	} else {
936	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
937	}	1316	}
938	}	1317	}
939	}	1318	}
940		1319
941	cf::attachable->attach (	1320	cf::attachable->attach (
942	prio => -1000000,	1321	prio => -1000000,
943	on_instantiate => sub {	1322	on_instantiate => sub {
944	my ($obj, $data) = @_;	1323	my ($obj, $data) = @_;
945		1324
946	$data = from_json $data;	1325	$data = decode_json $data;
947		1326
948	for (@$data) {	1327	for (@$data) {
949	my ($name, $args) = @$_;	1328	my ($name, $args) = @$_;
950		1329
951	$obj->attach ($name, %{$args || {} });	1330	$obj->attach ($name, %{$args || {} });
…		…
967	sub object_freezer_save {	1346	sub object_freezer_save {
968	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
969		1348
970	sync_job {	1349	sync_job {
971	if (length $$rdata) {	1350	if (length $$rdata) {
		1351	utf8::decode (my $decname = $filename);
972	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
973	$filename, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
974		1355
975	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
976	chmod SAVE_MODE, $fh;	1357	aio_chmod $fh, SAVE_MODE;
977	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
978	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	}
979	close $fh;	1363	aio_close $fh;
980		1364
981	if (@$objs) {	1365	if (@$objs) {
982	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) {
983	chmod SAVE_MODE, $fh;	1367	aio_chmod $fh, SAVE_MODE;
984	my $data = Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
985	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
986	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	}
987	close $fh;	1374	aio_close $fh;
988	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
989	}	1376	}
990	} else {	1377	} else {
991	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
992	}	1379	}
993		1380
994	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
995	} else {	1385	} else {
996	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
997	}	1387	}
998	} else {	1388	} else {
999	aio_unlink $filename;	1389	aio_unlink $filename;
1000	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1001	}	1391	}
1002	}	1392	};
1003	}	1393	}
1004		1394
1005	sub object_freezer_as_string {	1395	sub object_freezer_as_string {
1006	my ($rdata, $objs) = @_;	1396	my ($rdata, $objs) = @_;
1007		1397
…		…
1019	or return;	1409	or return;
1020		1410
1021	unless (aio_stat "$filename.pst") {	1411	unless (aio_stat "$filename.pst") {
1022	(aio_load "$filename.pst", $av) >= 0	1412	(aio_load "$filename.pst", $av) >= 0
1023	or return;	1413	or return;
		1414
1024	$av = eval { (Storable::thaw $av)->{objs} };	1415	my $st = eval { Coro::Storable::thaw $av };
		1416	$av = $st->{objs};
1025	}	1417	}
1026		1418
		1419	utf8::decode (my $decname = $filename);
1027	warn sprintf "loading %s (%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1028	$filename, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
		1423
1029	return ($data, $av);	1424	($data, $av)
1030	}	1425	}
1031		1426
1032	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
1033		1428
1034	=over 4	1429	=over 4
…		…
1088	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1089		1484
1090	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1091	}	1486	}
1092		1487
		1488	use File::Glob ();
		1489
1093	cf::player->attach (	1490	cf::player->attach (
1094	on_command => sub {	1491	on_unknown_command => sub {
1095	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1096		1493
1097	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1098	or return;	1495	or return;
1099		1496
…		…
1107	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1108		1505
1109	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1110		1507
1111	if (ref $msg) {	1508	if (ref $msg) {
		1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1510
		1511	my @reply;
		1512
1112	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1513	if (my $cb = $EXTCMD{$type}) {
1113	if (my %reply = $cb->($pl, $msg)) {	1514	@reply = $cb->($pl, @payload);
1114	$pl->ext_reply ($msg->{msgid}, %reply);
1115	}
1116	}	1515	}
		1516
		1517	$pl->ext_reply ($reply, @reply)
		1518	if $reply;
		1519
1117	} else {	1520	} else {
1118	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1119	}	1522	}
1120		1523
1121	cf::override;	1524	cf::override;
1122	},	1525	},
1123	);	1526	);
1124		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
1125	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1126	cf::sync_job {	1557	cf::sync_job {
1127	my %todo;	1558	my %todo;
1128		1559
1129	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1130	next unless -r $path;	1561	next unless -r $path;
…		…
1148		1579
1149	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1150	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1151		1582
1152	$ext{source} =	1583	$ext{source} =
1153	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1154	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1155	. $source	1586	. $source
1156	. "\n};\n1";	1587	. "\n};\n1";
1157		1588
1158	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1159	}	1590	}
1160		1591
		1592	my $pass = 0;
1161	my %done;	1593	my %done;
1162	while (%todo) {	1594	while (%todo) {
1163	my $progress;	1595	my $progress;
1164		1596
		1597	++$pass;
		1598
		1599	ext:
1165	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1166	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1167	goto skip	1602	next ext
1168	unless exists $done{$_};	1603	unless exists $done{$_};
1169	}	1604	}
1170		1605
1171	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1172		1607
1173	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 $@) {
1174	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1175	: "$v->{base}: extension inactive.\n";
1176		1621
		1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1177	if (exists $v->{meta}{mandatory}) {	1623	if exists $v->{meta}{mandatory};
1178	warn $msg;	1624
1179	warn "mandatory extension failed to load, exiting.\n";	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1180	exit 1;	1626	delete $todo{$k};
1181	}	1627	} else {
1182		1628	$done{$k} = delete $todo{$k};
1183	warn $msg;	1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1184	}	1634	}
1185
1186	$done{$k} = delete $todo{$k};
1187	push @EXTS, $v->{pkg};
1188	$progress = 1;
1189	}	1635	}
1190		1636
1191	skip:	1637	unless ($progress) {
1192	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1193	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	}
1194	}	1647	}
1195	};	1648	};
1196	}	1649	}
1197		1650
1198	#############################################################################	1651	#############################################################################
1199		1652
1200	=back	1653	=back
1201		1654
1202	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1203		1656
1204	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1205		1658
1206	=cut	1659	=cut
1207		1660
1208	package cf::player;	1661	package cf::player;
1209		1662
1210	use Coro::AIO;	1663	use Coro::AIO;
1211		1664
1212	=head3 cf::player	1665	=head3 cf::player
1213		1666
1214	=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	}
1215		1682
1216	=item cf::player::find $login	1683	=item cf::player::find $login
1217		1684
1218	Returns the given player object, loading it if necessary (might block).	1685	Returns the given player object, loading it if necessary (might block).
1219		1686
…		…
1238		1705
1239	sub exists($) {	1706	sub exists($) {
1240	my ($login) = @_;	1707	my ($login) = @_;
1241		1708
1242	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1243	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1244	}	1711	}
1245		1712
1246	sub find($) {	1713	sub find($) {
1247	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1248	my $login = $_[0];	1715	my $login = $_[0];
…		…
1255	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1722	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1256	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1723	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1257	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1724	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1258	aio_unlink +(playerdir $login) . "/$login.pl";	1725	aio_unlink +(playerdir $login) . "/$login.pl";
1259		1726
1260	my $pl = load_pl path $login	1727	my $f = new_from_file cf::object::thawer path $login
1261	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;
1262	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1263	}	1736	}
1264	}	1737	}
1265	}	1738	}
		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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	);
1266		1752
1267	sub save($) {	1753	sub save($) {
1268	my ($pl) = @_;	1754	my ($pl) = @_;
1269		1755
1270	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
…		…
1275	return if $pl->{deny_save};	1761	return if $pl->{deny_save};
1276		1762
1277	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1278	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1279		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
1280	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1281	Coro::cede;	1772	cf::cede_to_tick;
1282	}	1773	}
1283		1774
1284	sub new($) {	1775	sub new($) {
1285	my ($login) = @_;	1776	my ($login) = @_;
1286		1777
…		…
1292	$cf::PLAYER{$login} = $self;	1783	$cf::PLAYER{$login} = $self;
1293		1784
1294	$self	1785	$self
1295	}	1786	}
1296		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
1297	=item $pl->quit_character	1798	=item $pl->quit_character
1298		1799
1299	Nukes the player without looking back. If logged in, the connection will	1800	Nukes the player without looking back. If logged in, the connection will
1300	be destroyed. May block for a long time.	1801	be destroyed. May block for a long time.
1301		1802
…		…
1305	my ($pl) = @_;	1806	my ($pl) = @_;
1306		1807
1307	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1308		1809
1309	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1310	$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
1311		1812
1312	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1313	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1314	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1315	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1316		1821
1317	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1318	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1319	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1354	or return [];	1859	or return [];
1355		1860
1356	my @logins;	1861	my @logins;
1357		1862
1358	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") {
1359	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1869	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1360	aio_read $fh, 0, 512, my $buf, 0 or next;	1870	aio_read $fh, 0, 512, my $buf, 0 or next;
1361	$buf !~ /^password -------------$/m or next; # official not-valid tag	1871	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1872	}
1362		1873
1363	utf8::decode $login;	1874	utf8::decode $login;
1364	push @logins, $login;	1875	push @logins, $login;
1365	}	1876	}
1366		1877
1367	\@logins	1878	\@logins
1368	}	1879	}
1369		1880
1370	=item $player->maps	1881	=item $player->maps
		1882
		1883	=item cf::player::maps $login
1371		1884
1372	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1373	player. May block.	1886	player. May block.
1374		1887
1375	=cut	1888	=cut
…		…
1393	}	1906	}
1394		1907
1395	\@paths	1908	\@paths
1396	}	1909	}
1397		1910
1398	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1399		1912
1400	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1401		1914
1402	=cut
1403
1404	sub expand_cfpod {
1405	((my $self), (local $_)) = @_;
1406
1407	# escape & and <
1408	s/&/&amp;/g;
1409	s/(?<![BIUGH])</&lt;/g;
1410
1411	# this is buggy, it needs to properly take care of nested <'s
1412
1413	1 while
1414	# replace B<>, I<>, U<> etc.
1415	s/B<([^\>]*)>/<b>$1<\/b>/
1416	|| s/I<([^\>]*)>/<i>$1<\/i>/
1417	|| s/U<([^\>]*)>/<u>$1<\/u>/
1418	# replace G<male|female> tags
1419	|| s{G<([^>|]*)\|([^>]*)>}{
1420	$self->gender ? $2 : $1
1421	}ge
1422	# replace H<hint text>
1423	|| s{H<([^\>]*)>}
1424	{
1425	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1426	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1427	"")
1428	[$self->{hintmode}]
1429	}ge;
1430
1431	# create single paragraphs (very hackish)
1432	s/(?<=\S)\n(?=\w)/ /g;
1433
1434	# compress some whitespace
1435	s/\s+\n/\n/g; # ws line-ends
1436	s/\n\n+/\n/g; # double lines
1437	s/^\n+//; # beginning lines
1438	s/\n+$//; # ending lines
1439
1440	$_
1441	}
1442
1443	sub hintmode {
1444	$_[0]{hintmode} = $_[1] if @_ > 1;
1445	$_[0]{hintmode}
1446	}
1447
1448	=item $player->ext_reply ($msgid, %msg)	1915	=item $player->ext_reply ($msgid, @msg)
1449		1916
1450	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1451		1918
1452	=cut	1919	=cut
1453		1920
1454	sub ext_reply($$%) {	1921	sub ext_reply($$@) {
1455	my ($self, $id, %msg) = @_;	1922	my ($self, $id, @msg) = @_;
1456		1923
1457	$msg{msgid} = $id;	1924	$self->ns->ext_reply ($id, @msg)
1458	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1459	}	1925	}
1460		1926
1461	=item $player->ext_event ($type, %msg)	1927	=item $player->ext_msg ($type, @msg)
1462		1928
1463	Sends an ext event to the client.	1929	Sends an ext event to the client.
1464		1930
1465	=cut	1931	=cut
1466		1932
1467	sub ext_event($$%) {	1933	sub ext_msg($$@) {
1468	my ($self, $type, %msg) = @_;	1934	my ($self, $type, @msg) = @_;
1469		1935
1470	$self->ns->ext_event ($type, %msg);	1936	$self->ns->ext_msg ($type, @msg);
1471	}	1937	}
1472		1938
1473	=head3 cf::region	1939	=head3 cf::region
1474		1940
1475	=over 4	1941	=over 4
…		…
1485	=cut	1951	=cut
1486		1952
1487	sub find_by_path($) {	1953	sub find_by_path($) {
1488	my ($path) = @_;	1954	my ($path) = @_;
1489		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
		1957
1490	my ($match, $specificity);	1958	my ($match, $specificity);
1491		1959
1492	for my $region (list) {	1960	for my $region (list) {
1493	if ($region->match && $path =~ $region->match) {	1961	if ($region->{match} && $path =~ $region->{match}) {
1494	($match, $specificity) = ($region, $region->specificity)	1962	($match, $specificity) = ($region, $region->specificity)
1495	if $region->specificity > $specificity;	1963	if $region->specificity > $specificity;
1496	}	1964	}
1497	}	1965	}
1498		1966
…		…
1519	our $MAX_RESET = 3600;	1987	our $MAX_RESET = 3600;
1520	our $DEFAULT_RESET = 3000;	1988	our $DEFAULT_RESET = 3000;
1521		1989
1522	sub generate_random_map {	1990	sub generate_random_map {
1523	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1524	# mit "rum" bekleckern, nicht	1992
		1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1994
1525	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1526	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1527	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1528	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1529	$rmp->{exit_on_final_map},
1530	$rmp->{xsize}, $rmp->{ysize},
1531	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1532	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1533	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1534	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1535	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1536	(cf::region::find $rmp->{region}), $rmp->{custom}
1537	)
1538	}	1996	}
1539		1997
1540	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1541		1999
1542	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1547		2005
1548	sub register {	2006	sub register {
1549	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1550	my $pkg = caller;	2008	my $pkg = caller;
1551		2009
1552	no strict;
1553	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1554		2011
1555	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1556	}	2013	}
1557		2014
1558	# also paths starting with '/'	2015	# also paths starting with '/'
1559	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1560		2017
1561	sub thawer_merge {	2018	sub thawer_merge {
1562	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1563		2020
1564	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1569	}	2026	}
1570		2027
1571	sub normalise {	2028	sub normalise {
1572	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1573		2030
1574	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1575		2032
1576	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1577		2034
1578	# map plan:	2035	# map plan:
1579	#	2036	#
…		…
1594	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1595	$path = "$base/$path";	2052	$path = "$base/$path";
1596	}	2053	}
1597		2054
1598	for ($path) {	2055	for ($path) {
1599	redo if s{//}{/};
1600	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1601	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1602	}	2058	}
1603		2059
1604	$path	2060	$path
…		…
1618	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1619	return $self;	2075	return $self;
1620	}	2076	}
1621	}	2077	}
1622		2078
1623	Carp::carp "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1624	()	2080	()
1625	}	2081	}
1626		2082
		2083	# may re-bless or do other evil things
1627	sub init {	2084	sub init {
1628	my ($self) = @_;	2085	my ($self) = @_;
1629		2086
1630	$self	2087	$self
1631	}	2088	}
…		…
1650		2107
1651	# the temporary/swap location	2108	# the temporary/swap location
1652	sub save_path {	2109	sub save_path {
1653	my ($self) = @_;	2110	my ($self) = @_;
1654		2111
1655	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2112	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1656	"$TMPDIR/$path.map"	2113	"$TMPDIR/$path.map"
1657	}	2114	}
1658		2115
1659	# the unique path, undef == no special unique path	2116	# the unique path, undef == no special unique path
1660	sub uniq_path {	2117	sub uniq_path {
1661	my ($self) = @_;	2118	my ($self) = @_;
1662		2119
1663	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1664	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1665	}
1666
1667	# and all this just because we cannot iterate over
1668	# all maps in C++...
1669	sub change_all_map_light {
1670	my ($change) = @_;
1671
1672	$_->change_map_light ($change)
1673	for grep $_->outdoor, values %cf::MAP;
1674	}	2122	}
1675		2123
1676	sub decay_objects {	2124	sub decay_objects {
1677	my ($self) = @_;	2125	my ($self) = @_;
1678		2126
…		…
1691		2139
1692	sub load_header_from($) {	2140	sub load_header_from($) {
1693	my ($self, $path) = @_;	2141	my ($self, $path) = @_;
1694		2142
1695	utf8::encode $path;	2143	utf8::encode $path;
1696	#aio_open $path, O_RDONLY, 0	2144	my $f = new_from_file cf::object::thawer $path
1697	# or return;
1698
1699	$self->_load_header ($path)
1700	or return;	2145	or return;
1701		2146
		2147	$self->_load_header ($f)
		2148	or return;
		2149
		2150	local $MAP_LOADING{$self->{path}} = $self;
		2151	$f->resolve_delayed_derefs;
		2152
1702	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1703		2154
1704	1	2155	1
1705	}	2156	}
1706		2157
		2158	# used to laod the header of an original map
1707	sub load_header_orig {	2159	sub load_header_orig {
1708	my ($self) = @_;	2160	my ($self) = @_;
1709		2161
1710	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1711	}	2163	}
1712		2164
		2165	# used to laod the header of an instantiated map
1713	sub load_header_temp {	2166	sub load_header_temp {
1714	my ($self) = @_;	2167	my ($self) = @_;
1715		2168
1716	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1717	}	2170	}
1718		2171
		2172	# called after loading the header from an instantiated map
1719	sub prepare_temp {	2173	sub prepare_temp {
1720	my ($self) = @_;	2174	my ($self) = @_;
1721		2175
1722	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1723	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1724	# safety	2178	# safety
1725	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1726	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1727	}	2181	}
1728		2182
		2183	# called after loading the header from an original map
1729	sub prepare_orig {	2184	sub prepare_orig {
1730	my ($self) = @_;	2185	my ($self) = @_;
1731		2186
1732	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
1733	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1757		2212
1758	sub find;	2213	sub find;
1759	sub find {	2214	sub find {
1760	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
1761		2216
		2217	cf::cede_to_tick;
		2218
1762	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
1763		2220
		2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1764	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
1765		2223
1766	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
1767	my $guard = cf::lock_acquire "map_find:$path";
1768	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
1769	or return;	2226	or return;
1770		2227
1771	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
1772		2229
…		…
1774	or return;	2231	or return;
1775		2232
1776	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1777	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
1778	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
		2237	undef $guard1;
1779	$map->reset;	2238	$map->reset;
1780	undef $guard;
1781	return find $path;	2239	return find $path;
1782	}	2240	}
1783		2241
1784	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
1785	}	2243	}
1786	}	2244	}
1787		2245
1788	sub pre_load { }	2246	sub pre_load { }
1789	sub post_load { }	2247	#sub post_load { } # XS
1790		2248
1791	sub load {	2249	sub load {
1792	my ($self) = @_;	2250	my ($self) = @_;
1793		2251
1794	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
1795		2253
1796	my $path = $self->{path};	2254	my $path = $self->{path};
1797		2255
1798	{	2256	{
1799	my $guard = cf::lock_acquire "map_load:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
1800		2258
		2259	return unless $self->valid;
1801	return if $self->in_memory != cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
1802
1803	$self->in_memory (cf::MAP_LOADING);
1804		2261
1805	$self->alloc;	2262	$self->alloc;
1806		2263
1807	$self->pre_load;	2264	$self->pre_load;
1808	Coro::cede;	2265	cf::cede_to_tick;
1809		2266
1810	$self->_load_objects ($self->{load_path}, 1)	2267	if (exists $self->{load_path}) {
		2268	my $f = new_from_file cf::object::thawer $self->{load_path};
		2269	$f->skip_block;
		2270	$self->_load_objects ($f)
1811	or return;	2271	or return;
1812		2272
1813	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
1814	if delete $self->{load_original};	2274	if delete $self->{load_original};
1815		2275
1816	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
1817	utf8::encode $uniq;	2277	utf8::encode $uniq;
1818	if (aio_open $uniq, O_RDONLY, 0) {	2278	unless (aio_stat $uniq) {
		2279	if (my $f = new_from_file cf::object::thawer $uniq) {
1819	$self->clear_unique_items;	2280	$self->clear_unique_items;
1820	$self->_load_objects ($uniq, 0);	2281	$self->_load_objects ($f);
		2282	$f->resolve_delayed_derefs;
		2283	}
		2284	}
1821	}	2285	}
1822	}
1823		2286
1824	Coro::cede;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
		2294
		2295	cf::cede_to_tick;
1825	# now do the right thing for maps	2296	# now do the right thing for maps
1826	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
1827	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
1828	unless $self->difficulty;	2299	unless $self->difficulty;
1829	Coro::cede;	2300	cf::cede_to_tick;
1830		2301
1831	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
1832	$self->decay_objects;	2303	$self->decay_objects;
1833	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
1834	$self->update_buttons;	2305	$self->update_buttons;
1835	Coro::cede;	2306	cf::cede_to_tick;
1836	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
1837	Coro::cede;
1838	$self->activate;
1839	}	2308	}
1840		2309
1841	$self->in_memory (cf::MAP_IN_MEMORY);	2310	$self->{last_save} = $cf::RUNTIME;
		2311	$self->last_access ($cf::RUNTIME);
1842	}	2312	}
1843		2313
1844	$self->post_load;	2314	$self->post_load;
1845	}
1846		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
1847	sub customise_for {	2322	sub customise_for {
1848	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
1849		2324
1850	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
1851	if $self->per_player;	2326	if $self->per_player;
…		…
1854	# if $self->per_party;	2329	# if $self->per_party;
1855		2330
1856	$self	2331	$self
1857	}	2332	}
1858		2333
1859	# find and load all maps in the 3x3 area around a map
1860	sub load_diag {
1861	my ($map) = @_;
1862
1863	my @diag; # diagonal neighbours
1864
1865	for (0 .. 3) {
1866	my $neigh = $map->tile_path ($_)
1867	or next;
1868	$neigh = find $neigh, $map
1869	or next;
1870	$neigh->load;
1871
1872	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1873	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1874	}
1875
1876	for (@diag) {
1877	my $neigh = find @$_
1878	or next;
1879	$neigh->load;
1880	}
1881	}
1882
1883	sub find_sync {	2334	sub find_sync {
1884	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
1885		2336
1886	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
1887	}	2342	}
1888		2343
1889	sub do_load_sync {	2344	sub do_load_sync {
1890	my ($map) = @_;	2345	my ($map) = @_;
1891		2346
1892	cf::sync_job { $map->load };	2347	# it's a bug to call this from the main context
		2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2349	if $Coro::current == $Coro::main;
		2350
		2351	$map->load;
1893	}	2352	}
1894		2353
1895	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
1896	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
1897		2356
1898	sub find_async {	2357	sub find_async {
1899	my ($path, $origin) = @_;	2358	my ($path, $origin, $load) = @_;
1900		2359
1901	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
1902		2361
1903	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
1904	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2363	return $map if !$load || $map->linkable;
1905	}	2364	}
1906		2365
1907	undef $MAP_PREFETCH{$path};	2366	$MAP_PREFETCH{$path} |= $load;
		2367
1908	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
		2369	$Coro::current->{desc} = "map prefetcher";
		2370
1909	while (%MAP_PREFETCH) {	2371	while (%MAP_PREFETCH) {
1910	for my $path (keys %MAP_PREFETCH) {	2372	while (my ($k, $v) = each %MAP_PREFETCH) {
1911	my $map = find $path	2373	if (my $map = find $k) {
1912	or next;
1913	$map->load;	2374	$map->load if $v;
		2375	}
1914		2376
1915	delete $MAP_PREFETCH{$path};	2377	delete $MAP_PREFETCH{$k};
1916	}	2378	}
1917	}	2379	}
1918	undef $MAP_PREFETCHER;	2380	undef $MAP_PREFETCHER;
1919	};	2381	};
1920	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
1921		2383
1922	()	2384	()
1923	}	2385	}
1924		2386
		2387	# common code, used by both ->save and ->swapout
1925	sub save {	2388	sub _save {
1926	my ($self) = @_;	2389	my ($self) = @_;
1927
1928	my $lock = cf::lock_acquire "map_data:" . $self->path;
1929		2390
1930	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
1931		2392
1932	return unless $self->dirty;	2393	return unless $self->dirty;
1933		2394
…		…
1939	return if $self->{deny_save};	2400	return if $self->{deny_save};
1940		2401
1941	local $self->{last_access} = $self->last_access;#d#	2402	local $self->{last_access} = $self->last_access;#d#
1942		2403
1943	cf::async {	2404	cf::async {
		2405	$Coro::current->{desc} = "map player save";
1944	$_->contr->save for $self->players;	2406	$_->contr->save for $self->players;
1945	};	2407	};
		2408
		2409	cf::get_slot 0.02;
1946		2410
1947	if ($uniq) {	2411	if ($uniq) {
1948	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2412	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1949	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2413	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1950	} else {	2414	} else {
1951	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1952	}	2416	}
1953	}	2417	}
1954		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
1955	sub swap_out {	2427	sub swap_out {
1956	my ($self) = @_;	2428	my ($self) = @_;
1957		2429
1958	# save first because save cedes
1959	$self->save;
1960
1961	my $lock = cf::lock_acquire "map_data:" . $self->path;	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
1962		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
1963	return if $self->players;	2434	return if $self->players;
1964	return if $self->in_memory != cf::MAP_IN_MEMORY;
1965	return if $self->{deny_save};
1966		2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
1967	$self->clear;	2445	$self->clear;
1968	$self->in_memory (cf::MAP_SWAPPED);
1969	}	2446	}
1970		2447
1971	sub reset_at {	2448	sub reset_at {
1972	my ($self) = @_;	2449	my ($self) = @_;
1973		2450
…		…
1991		2468
1992	my $lock = cf::lock_acquire "map_data:$self->{path}";	2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
1993		2470
1994	return if $self->players;	2471	return if $self->players;
1995		2472
1996	warn "resetting map ", $self->path;	2473	cf::trace "resetting map ", $self->path, "\n";
1997		2474
1998	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
1999		2476
2000	# need to save uniques path	2477	# need to save uniques path
2001	unless ($self->{deny_save}) {	2478	unless ($self->{deny_save}) {
2002	my $uniq = $self->uniq_path; utf8::encode $uniq;	2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
2003		2480
…		…
2005	if $uniq;	2482	if $uniq;
2006	}	2483	}
2007		2484
2008	delete $cf::MAP{$self->path};	2485	delete $cf::MAP{$self->path};
2009		2486
		2487	$self->deactivate;
		2488	$_->clear_links_to ($self) for values %cf::MAP;
2010	$self->clear;	2489	$self->clear;
2011
2012	$_->clear_links_to ($self) for values %cf::MAP;
2013		2490
2014	$self->unlink_save;	2491	$self->unlink_save;
2015	$self->destroy;	2492	$self->destroy;
2016	}	2493	}
2017		2494
2018	my $nuke_counter = "aaaa";	2495	my $nuke_counter = "aaaa";
2019		2496
2020	sub nuke {	2497	sub nuke {
2021	my ($self) = @_;	2498	my ($self) = @_;
2022		2499
		2500	{
		2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2502
2023	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2024		2504
2025	$self->unlink_save;	2505	$self->unlink_save;
2026		2506
2027	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2028	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2029	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2030	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2031	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2032		2512
2033	$cf::MAP{$self->path} = $self;	2513	$cf::MAP{$self->path} = $self;
		2514	}
2034		2515
2035	$self->reset; # polite request, might not happen	2516	$self->reset; # polite request, might not happen
2036	}	2517	}
2037		2518
2038	=item $maps = cf::map::tmp_maps	2519	=item $maps = cf::map::tmp_maps
…		…
2080		2561
2081	sub unique_maps() {	2562	sub unique_maps() {
2082	[	2563	[
2083	map {	2564	map {
2084	utf8::decode $_;	2565	utf8::decode $_;
2085	/\.map$/	2566	s/\.map$//; # TODO future compatibility hack
		2567	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2568	? ()
2086	? normalise $_	2569	: normalise $_
2087	: ()
2088	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2089	]	2571	]
2090	}	2572	}
2091		2573
2092	package cf;	2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
2093		2605
2094	=back	2606	=back
2095		2607
2096	=head3 cf::object	2608	=head3 cf::object
2097		2609
…		…
2101		2613
2102	=over 4	2614	=over 4
2103		2615
2104	=item $ob->inv_recursive	2616	=item $ob->inv_recursive
2105		2617
2106	Returns the inventory of the object _and_ their inventories, recursively.	2618	Returns the inventory of the object I<and> their inventories, recursively,
		2619	but I<not> the object itself.
2107		2620
2108	=cut	2621	=cut
2109		2622
2110	sub inv_recursive_;	2623	sub inv_recursive_;
2111	sub inv_recursive_ {	2624	sub inv_recursive_ {
…		…
2114		2627
2115	sub inv_recursive {	2628	sub inv_recursive {
2116	inv_recursive_ inv $_[0]	2629	inv_recursive_ inv $_[0]
2117	}	2630	}
2118		2631
		2632	=item $ref = $ob->ref
		2633
		2634	Creates and returns a persistent reference to an object that can be stored as a string.
		2635
		2636	=item $ob = cf::object::deref ($refstring)
		2637
		2638	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2639	even if the object actually exists. May block.
		2640
		2641	=cut
		2642
		2643	sub deref {
		2644	my ($ref) = @_;
		2645
		2646	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2647	my ($uuid, $name) = ($1, $2);
		2648	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2649	or return;
		2650	$pl->ob->uuid eq $uuid
		2651	or return;
		2652
		2653	$pl->ob
		2654	} else {
		2655	warn "$ref: cannot resolve object reference\n";
		2656	undef
		2657	}
		2658	}
		2659
2119	package cf;	2660	package cf;
2120		2661
2121	=back	2662	=back
2122		2663
2123	=head3 cf::object::player	2664	=head3 cf::object::player
…		…
2129	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2670	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2130	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
2131	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2132		2673
2133	=cut	2674	=cut
		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
2134		2689
2135	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2136	# with dialog boxes.	2691	# with dialog boxes.
2137	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
2138	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
…		…
2145		2700
2146	} else {	2701	} else {
2147	my $pl = $self->contr;	2702	my $pl = $self->contr;
2148		2703
2149	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2704	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2150	my $diag = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2151	$diag->{pl}->ext_reply (	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2152	$diag->{id},
2153	msgtype => "reply",
2154	msg => $diag->{pl}->expand_cfpod ($msg),
2155	add_topics => []
2156	);
2157		2707
2158	} else {	2708	} else {
2159	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2160	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2161	}	2711	}
2162	}	2712	}
		2713	}
		2714
		2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2716
		2717	=cut
		2718
		2719	sub cf::object::send_msg {
		2720	my $pl = shift->contr
		2721	or return;
		2722	$pl->send_msg (@_);
2163	}	2723	}
2164		2724
2165	=item $player_object->may ("access")	2725	=item $player_object->may ("access")
2166		2726
2167	Returns wether the given player is authorized to access resource "access"	2727	Returns wether the given player is authorized to access resource "access"
…		…
2180		2740
2181	=item $player_object->enter_link	2741	=item $player_object->enter_link
2182		2742
2183	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
2184		2744
2185	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
2186	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
2187		2749
2188	Will never block.	2750	Will never block.
2189		2751
2190	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2191		2753
…		…
2211	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2212	my ($self) = @_;	2774	my ($self) = @_;
2213		2775
2214	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2215		2777
		2778	++$self->{_link_recursion};
		2779
2216	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2217		2781
2218	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2219	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2220		2784
2221	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2222	}	2786	}
2223		2787
2224	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2225	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2226		2790
…		…
2243	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2244	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2245		2809
2246	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2247	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2248	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2249		2813
2250	$map->load;	2814	$map->load;
2251	$map->load_diag;
2252		2815
2253	return unless $self->contr->active;	2816	return unless $self->contr->active;
2254	$self->activate_recursive;
2255		2817
2256	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2257	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2258	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2259		2825
		2826	}
		2827
2260	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2261		2829
2262	Moves the player to the given map-path and coordinates by first freezing	2830	Moves the player to the given map-path and coordinates by first freezing
2263	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2264	that has to return the map if sucecssful, and then unfreezes the player on	2832	that has to return the map if sucecssful, and then unfreezes the player on
2265	the new (success) or old (failed) map position.	2833	the new (success) or old (failed) map position. In either case, $done will
		2834	be called at the end of this process.
		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
2266		2838
2267	=cut	2839	=cut
2268		2840
2269	our $GOTOGEN;	2841	our $GOTOGEN;
2270		2842
2271	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2272	my ($self, $path, $x, $y, $check) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
2273		2851
2274	# do generation counting so two concurrent goto's will be executed in-order	2852	# do generation counting so two concurrent goto's will be executed in-order
2275	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2276		2854
2277	$self->enter_link;	2855	$self->enter_link;
2278		2856
2279	(async {	2857	(async {
		2858	$Coro::current->{desc} = "player::goto $path $x $y";
		2859
		2860	# *tag paths override both path and x|y
		2861	if ($path =~ /^\*(.*)$/) {
		2862	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2863	my $ob = $obs[rand @obs];
		2864
		2865	# see if we actually can go there
		2866	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2867	$ob = $obs[rand @obs];
		2868	} else {
		2869	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2870	}
		2871	# else put us there anyways for now #d#
		2872
		2873	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2874	} else {
		2875	($path, $x, $y) = (undef, undef, undef);
		2876	}
		2877	}
		2878
2280	my $map = eval {	2879	my $map = eval {
2281	my $map = cf::map::find $path;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2282		2881
2283	if ($map) {	2882	if ($map) {
2284	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2285	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2286	} else {	2885	} else {
2287	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2288	}	2887	}
2289		2888
2290	$map	2889	$map
2291	};	2890	};
2292		2891
…		…
2297		2896
2298	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2299	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2300	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2301	}	2900	}
		2901
		2902	$done->($self) if $done;
2302	})->prio (1);	2903	})->prio (1);
2303	}	2904	}
2304		2905
2305	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2306		2907
…		…
2326	}	2927	}
2327		2928
2328	sub prepare_random_map {	2929	sub prepare_random_map {
2329	my ($exit) = @_;	2930	my ($exit) = @_;
2330		2931
2331	my $guard = cf::lock_acquire "exit_prepare:$exit";
2332
2333	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2334	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2335	# that depends on the exit object	2934	# that depends on the exit object
2336		2935
2337	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2339	if ($exit->map) {	2938	if ($exit->map) {
2340	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2341	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2342	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2343	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2344	}	2945	}
2345		2946
2346	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2347		2948
2348	my $data = cf::to_json $rmp;	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2349	my $md5 = Digest::MD5::md5_hex $data;	2950	my $md5 = Digest::MD5::md5_hex $data;
2350	my $meta = "$RANDOMDIR/$md5.meta";	2951	my $meta = "$RANDOMDIR/$md5.meta";
2351		2952
2352	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2353	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2354	undef $fh;	2955	undef $fh;
2355	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2356		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2357	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2358	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2359	}	2964	}
2360	}	2965	}
2361		2966
2362	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2363	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2364		2969
2365	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2366		2971
2367	if ($exit->slaying eq "/!") {
2368	#TODO: this should de-fi-ni-te-ly not be a sync-job
2369	# the problem is that $exit might not survive long enough
2370	# so it needs to be done right now, right here
2371	cf::sync_job { prepare_random_map $exit };
2372	}
2373
2374	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2375	my $hp = $exit->stats->hp;
2376	my $sp = $exit->stats->sp;
2377
2378	$self->enter_link;	2972	$self->enter_link;
2379		2973
2380	# if exit is damned, update players death & WoR home-position
2381	$self->contr->savebed ($slaying, $hp, $sp)
2382	if $exit->flag (FLAG_DAMNED);
2383
2384	(async {	2974	(async {
2385	$self->deactivate_recursive; # just to be sure	2975	$Coro::current->{desc} = "enter_exit";
		2976
2386	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
2387	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2388		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
2389	1;	3013	1
2390	}) {	3014	}) {
2391	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2392	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2393	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2394	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2395		3019
2396	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2397	$self->leave_link;	3021	$self->leave_link;
2398	}	3022	}
2399	})->prio (1);	3023	})->prio (1);
2400	}	3024	}
2401		3025
…		…
2415		3039
2416	utf8::encode $text;	3040	utf8::encode $text;
2417	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2418	}	3042	}
2419		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
		3067	}
		3068
2420	=item $client->send_msg ($color, $type, $msg, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2421		3070
2422	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
2423	client if neccessary. C<$type> should be a string identifying the type of	3072	client if neccessary. C<$type> should be a string identifying the type of
2424	the message, with C<log> being the default. If C<$color> is negative, suppress	3073	the message, with C<log> being the default. If C<$color> is negative, suppress
2425	the message unless the client supports the msg packet.	3074	the message unless the client supports the msg packet.
2426		3075
2427	=cut	3076	=cut
2428		3077
		3078	# non-persistent channels (usually the info channel)
		3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
		3086	"c/identify" => {
		3087	id => "infobox",
		3088	title => "Identify",
		3089	reply => undef,
		3090	tooltip => "Items recently identified",
		3091	},
		3092	"c/examine" => {
		3093	id => "infobox",
		3094	title => "Examine",
		3095	reply => undef,
		3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
		3103	},
		3104	"c/book" => {
		3105	id => "infobox",
		3106	title => "Book",
		3107	reply => undef,
		3108	tooltip => "The contents of a note or book",
		3109	},
		3110	"c/lookat" => {
		3111	id => "infobox",
		3112	title => "Look",
		3113	reply => undef,
		3114	tooltip => "What you saw there",
		3115	},
		3116	"c/who" => {
		3117	id => "infobox",
		3118	title => "Players",
		3119	reply => undef,
		3120	tooltip => "Shows players who are currently online",
		3121	},
		3122	"c/body" => {
		3123	id => "infobox",
		3124	title => "Body Parts",
		3125	reply => undef,
		3126	tooltip => "Shows which body parts you posess and are available",
		3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
		3164	"c/uptime" => {
		3165	id => "infobox",
		3166	title => "Uptime",
		3167	reply => undef,
		3168	tooltip => "How long the server has been running since last restart",
		3169	},
		3170	"c/mapinfo" => {
		3171	id => "infobox",
		3172	title => "Map Info",
		3173	reply => undef,
		3174	tooltip => "Information related to the maps",
		3175	},
		3176	"c/party" => {
		3177	id => "party",
		3178	title => "Party",
		3179	reply => "gsay ",
		3180	tooltip => "Messages and chat related to your party",
		3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
		3190	);
		3191
2429	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2430	my ($self, $color, $type, $msg, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2431		3194
2432	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
		3197
		3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3199
		3200	# check predefined channels, for the benefit of C
		3201	if ($CHANNEL{$channel}) {
		3202	$channel = $CHANNEL{$channel};
		3203
		3204	$self->ext_msg (channel_info => $channel);
		3205	$channel = $channel->{id};
		3206
		3207	} elsif (ref $channel) {
		3208	# send meta info to client, if not yet sent
		3209	unless (exists $self->{channel}{$channel->{id}}) {
		3210	$self->{channel}{$channel->{id}} = $channel;
		3211	$self->ext_msg (channel_info => $channel);
		3212	}
		3213
		3214	$channel = $channel->{id};
		3215	}
2433		3216
2434	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2435		3218
2436	if ($self->can_msg) {	3219	# default colour, mask it out
2437	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2438	} else {	3221	if $color & cf::NDI_DEF;
2439	# replace some tags by gcfclient-compatible ones
2440	for ($msg) {
2441	1 while
2442	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2443	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2444	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2445	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2446	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2447	}
2448		3222
2449	if ($color >= 0) {	3223	my $pkt = "msg "
2450	if (0 && $msg =~ /\[/) {	3224	. $self->{json_coder}->encode (
2451	$self->send_packet ("drawextinfo $color 4 0 $msg")	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2452	} else {	3226	);
2453	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2454	$self->send_packet ("drawinfo $color $msg")
2455	}
2456	}
2457	}
2458	}
2459		3227
		3228	$self->send_big_packet ($pkt);
		3229	}
		3230
2460	=item $client->ext_event ($type, %msg)	3231	=item $client->ext_msg ($type, @msg)
2461		3232
2462	Sends an ext event to the client.	3233	Sends an ext event to the client.
2463		3234
2464	=cut	3235	=cut
2465		3236
2466	sub cf::client::ext_event($$%) {	3237	sub cf::client::ext_msg($$@) {
2467	my ($self, $type, %msg) = @_;	3238	my ($self, $type, @msg) = @_;
2468		3239
2469	$msg{msgtype} = "event_$type";
2470	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3241	}
		3242
		3243	=item $client->ext_reply ($msgid, @msg)
		3244
		3245	Sends an ext reply to the client.
		3246
		3247	=cut
		3248
		3249	sub cf::client::ext_reply($$@) {
		3250	my ($self, $id, @msg) = @_;
		3251
		3252	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2471	}	3253	}
2472		3254
2473	=item $success = $client->query ($flags, "text", \&cb)	3255	=item $success = $client->query ($flags, "text", \&cb)
2474		3256
2475	Queues a query to the client, calling the given callback with	3257	Queues a query to the client, calling the given callback with
…		…
2530	my ($ns, $buf) = @_;	3312	my ($ns, $buf) = @_;
2531		3313
2532	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3314	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2533		3315
2534	if (ref $msg) {	3316	if (ref $msg) {
		3317	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3318
		3319	my @reply;
		3320
2535	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3321	if (my $cb = $EXTICMD{$type}) {
2536	if (my %reply = $cb->($ns, $msg)) {	3322	@reply = $cb->($ns, @payload);
2537	$reply{msgid} = $msg->{msgid};
2538	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
2539	}
2540	}	3323	}
		3324
		3325	$ns->ext_reply ($reply, @reply)
		3326	if $reply;
		3327
2541	} else {	3328	} else {
2542	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3329	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2543	}	3330	}
2544		3331
2545	cf::override;	3332	cf::override;
2546	},	3333	},
2547	);	3334	);
…		…
2567		3354
2568	$coro	3355	$coro
2569	}	3356	}
2570		3357
2571	cf::client->attach (	3358	cf::client->attach (
2572	on_destroy => sub {	3359	on_client_destroy => sub {
2573	my ($ns) = @_;	3360	my ($ns) = @_;
2574		3361
2575	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3362	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2576	},	3363	},
2577	);	3364	);
…		…
2592	our $safe = new Safe "safe";	3379	our $safe = new Safe "safe";
2593	our $safe_hole = new Safe::Hole;	3380	our $safe_hole = new Safe::Hole;
2594		3381
2595	$SIG{FPE} = 'IGNORE';	3382	$SIG{FPE} = 'IGNORE';
2596		3383
2597	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3384	$safe->permit_only (Opcode::opset qw(
		3385	:base_core :base_mem :base_orig :base_math :base_loop
		3386	grepstart grepwhile mapstart mapwhile
		3387	sort time
		3388	));
2598		3389
2599	# here we export the classes and methods available to script code	3390	# here we export the classes and methods available to script code
2600		3391
2601	=pod	3392	=pod
2602		3393
2603	The following functions and methods are available within a safe environment:	3394	The following functions and methods are available within a safe environment:
2604		3395
2605	cf::object	3396	cf::object
2606	contr pay_amount pay_player map x y force_find force_add	3397	contr pay_amount pay_player map x y force_find force_add destroy
2607	insert remove	3398	insert remove name archname title slaying race decrease split
		3399	value
2608		3400
2609	cf::object::player	3401	cf::object::player
2610	player	3402	player
2611		3403
2612	cf::player	3404	cf::player
…		…
2617		3409
2618	=cut	3410	=cut
2619		3411
2620	for (	3412	for (
2621	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3413	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2622	insert remove)],	3414	insert remove inv nrof name archname title slaying race
		3415	decrease split destroy change_exp value msg lore send_msg)],
2623	["cf::object::player" => qw(player)],	3416	["cf::object::player" => qw(player)],
2624	["cf::player" => qw(peaceful)],	3417	["cf::player" => qw(peaceful send_msg)],
2625	["cf::map" => qw(trigger)],	3418	["cf::map" => qw(trigger)],
2626	) {	3419	) {
2627	no strict 'refs';
2628	my ($pkg, @funs) = @$_;	3420	my ($pkg, @funs) = @$_;
2629	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3421	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2630	for @funs;	3422	for @funs;
2631	}	3423	}
2632		3424
…		…
2647		3439
2648	my $qcode = $code;	3440	my $qcode = $code;
2649	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3441	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2650	$qcode =~ s/\n/\\n/g;	3442	$qcode =~ s/\n/\\n/g;
2651		3443
		3444	%vars = (_dummy => 0) unless %vars;
		3445
		3446	my @res;
2652	local $_;	3447	local $_;
2653	local @safe::cf::_safe_eval_args = values %vars;
2654		3448
2655	my $eval =	3449	my $eval =
2656	"do {\n"	3450	"do {\n"
2657	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3451	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2658	. "#line 0 \"{$qcode}\"\n"	3452	. "#line 0 \"{$qcode}\"\n"
2659	. $code	3453	. $code
2660	. "\n}"	3454	. "\n}"
2661	;	3455	;
2662		3456
		3457	if ($CFG{safe_eval}) {
2663	sub_generation_inc;	3458	sub_generation_inc;
		3459	local @safe::cf::_safe_eval_args = values %vars;
2664	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3460	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2665	sub_generation_inc;	3461	sub_generation_inc;
		3462	} else {
		3463	local @cf::_safe_eval_args = values %vars;
		3464	@res = wantarray ? eval eval : scalar eval $eval;
		3465	}
2666		3466
2667	if ($@) {	3467	if ($@) {
2668	warn "$@";	3468	warn "$@",
2669	warn "while executing safe code '$code'\n";	3469	"while executing safe code '$code'\n",
2670	warn "with arguments " . (join " ", %vars) . "\n";	3470	"with arguments " . (join " ", %vars) . "\n";
2671	}	3471	}
2672		3472
2673	wantarray ? @res : $res[0]	3473	wantarray ? @res : $res[0]
2674	}	3474	}
2675		3475
…		…
2689	=cut	3489	=cut
2690		3490
2691	sub register_script_function {	3491	sub register_script_function {
2692	my ($fun, $cb) = @_;	3492	my ($fun, $cb) = @_;
2693		3493
2694	no strict 'refs';	3494	$fun = "safe::$fun" if $CFG{safe_eval};
2695	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3495	*$fun = $safe_hole->wrap ($cb);
2696	}	3496	}
2697		3497
2698	=back	3498	=back
2699		3499
2700	=cut	3500	=cut
2701		3501
2702	#############################################################################	3502	#############################################################################
2703	# the server's init and main functions	3503	# the server's init and main functions
2704		3504
		3505	our %FACEHASH; # hash => idx, #d# HACK for http server
		3506
		3507	# internal api, not fianlised
		3508	sub add_face {
		3509	my ($name, $type, $data) = @_;
		3510
		3511	my $idx = cf::face::find $name;
		3512
		3513	if ($idx) {
		3514	delete $FACEHASH{cf::face::get_chksum $idx};
		3515	} else {
		3516	$idx = cf::face::alloc $name;
		3517	}
		3518
		3519	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3520
		3521	cf::face::set_type $idx, $type;
		3522	cf::face::set_data $idx, 0, $data, $hash;
		3523	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3524	$FACEHASH{$hash} = $idx;#d#
		3525
		3526	$idx
		3527	}
		3528
2705	sub load_facedata($) {	3529	sub load_facedata($) {
2706	my ($path) = @_;	3530	my ($path) = @_;
2707		3531
		3532	# HACK to clear player env face cache, we need some signal framework
		3533	# for this (global event?)
		3534	%ext::player_env::MUSIC_FACE_CACHE = ();
		3535
		3536	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3537
2708	warn "loading facedata from $path\n";	3538	trace "loading facedata from $path\n";
2709		3539
2710	my $facedata;	3540	my $facedata = decode_storable load_file $path;
2711	0 < aio_load $path, $facedata
2712	or die "$path: $!";
2713
2714	$facedata = Coro::Storable::thaw $facedata;
2715		3541
2716	$facedata->{version} == 2	3542	$facedata->{version} == 2
2717	or cf::cleanup "$path: version mismatch, cannot proceed.";	3543	or cf::cleanup "$path: version mismatch, cannot proceed.";
2718		3544
		3545	cf::cede_to_tick;
		3546
2719	{	3547	{
2720	my $faces = $facedata->{faceinfo};	3548	my $faces = $facedata->{faceinfo};
2721		3549
2722	while (my ($face, $info) = each %$faces) {	3550	for my $face (sort keys %$faces) {
		3551	my $info = $faces->{$face};
2723	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3552	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3553
2724	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3554	cf::face::set_visibility $idx, $info->{visibility};
		3555	cf::face::set_magicmap $idx, $info->{magicmap};
2725	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3556	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2726	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3557	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2727	Coro::cede;	3558	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3559	$FACEHASH{$info->{hash64}} = $idx;#d#
		3560
		3561	cf::cede_to_tick;
2728	}	3562	}
2729		3563
2730	while (my ($face, $info) = each %$faces) {	3564	while (my ($face, $info) = each %$faces) {
2731	next unless $info->{smooth};	3565	next unless $info->{smooth};
		3566
2732	my $idx = cf::face::find $face	3567	my $idx = cf::face::find $face
2733	or next;	3568	or next;
		3569
2734	if (my $smooth = cf::face::find $info->{smooth}) {	3570	if (my $smooth = cf::face::find $info->{smooth}) {
		3571	cf::face::set_smooth $idx, $smooth;
2735	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3572	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2736	} else {	3573	} else {
2737	warn "smooth face '$info->{smooth}' not found for face '$face'";	3574	error "smooth face '$info->{smooth}' not found for face '$face'";
2738	}	3575	}
2739	Coro::cede;	3576
		3577	cf::cede_to_tick;
2740	}	3578	}
2741	}	3579	}
2742		3580
2743	{	3581	{
2744	my $anims = $facedata->{animinfo};	3582	my $anims = $facedata->{animinfo};
2745		3583
2746	while (my ($anim, $info) = each %$anims) {	3584	while (my ($anim, $info) = each %$anims) {
2747	cf::anim::set $anim, $info->{frames}, $info->{facings};	3585	cf::anim::set $anim, $info->{frames}, $info->{facings};
2748	Coro::cede;	3586	cf::cede_to_tick;
2749	}	3587	}
2750		3588
2751	cf::anim::invalidate_all; # d'oh	3589	cf::anim::invalidate_all; # d'oh
2752	}	3590	}
2753		3591
		3592	{
		3593	my $res = $facedata->{resource};
		3594
		3595	while (my ($name, $info) = each %$res) {
		3596	if (defined (my $type = $info->{type})) {
		3597	# TODO: different hash - must free and use new index, or cache ixface data queue
		3598	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3599
		3600	cf::face::set_type $idx, $type;
		3601	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3602	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3603	$FACEHASH{$info->{hash}} = $idx;#d#
		3604	} else {
		3605	# $RESOURCE{$name} = $info; # unused
		3606	}
		3607
		3608	cf::cede_to_tick;
		3609	}
		3610	}
		3611
		3612	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3613
2754	1	3614	1
2755	}	3615	}
2756		3616
		3617	register_exticmd fx_want => sub {
		3618	my ($ns, $want) = @_;
		3619
		3620	while (my ($k, $v) = each %$want) {
		3621	$ns->fx_want ($k, $v);
		3622	}
		3623	};
		3624
		3625	sub load_resource_file($) {
		3626	my $guard = lock_acquire "load_resource_file";
		3627
		3628	my $status = load_resource_file_ $_[0];
		3629	get_slot 0.1, 100;
		3630	cf::arch::commit_load;
		3631
		3632	$status
		3633	}
		3634
		3635	sub reload_exp_table {
		3636	_reload_exp_table;
		3637
		3638	add_face "res/exp_table" => FT_RSRC,
		3639	JSON::XS->new->utf8->canonical->encode (
		3640	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3641	);
		3642	}
		3643
		3644	sub reload_materials {
		3645	_reload_materials;
		3646	}
		3647
2757	sub reload_regions {	3648	sub reload_regions {
		3649	# HACK to clear player env face cache, we need some signal framework
		3650	# for this (global event?)
		3651	%ext::player_env::MUSIC_FACE_CACHE = ();
		3652
2758	load_resource_file "$MAPDIR/regions"	3653	load_resource_file "$MAPDIR/regions"
2759	or die "unable to load regions file\n";	3654	or die "unable to load regions file\n";
		3655
		3656	for (cf::region::list) {
		3657	$_->{match} = qr/$_->{match}/
		3658	if exists $_->{match};
		3659	}
2760	}	3660	}
2761		3661
2762	sub reload_facedata {	3662	sub reload_facedata {
2763	load_facedata "$DATADIR/facedata"	3663	load_facedata "$DATADIR/facedata"
2764	or die "unable to load facedata\n";	3664	or die "unable to load facedata\n";
2765	}	3665	}
2766		3666
2767	sub reload_archetypes {	3667	sub reload_archetypes {
2768	load_resource_file "$DATADIR/archetypes"	3668	load_resource_file "$DATADIR/archetypes"
2769	or die "unable to load archetypes\n";	3669	or die "unable to load archetypes\n";
2770	#d# NEED to laod twice to resolve forward references	3670
2771	# this really needs to be done in an extra post-pass	3671	add_face "res/skill_info" => FT_RSRC,
2772	# (which needs to be synchronous, so solve it differently)	3672	JSON::XS->new->utf8->canonical->encode (
2773	load_resource_file "$DATADIR/archetypes"	3673	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
2774	or die "unable to load archetypes\n";	3674	);
		3675	add_face "res/spell_paths" => FT_RSRC,
		3676	JSON::XS->new->utf8->canonical->encode (
		3677	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3678	);
2775	}	3679	}
2776		3680
2777	sub reload_treasures {	3681	sub reload_treasures {
2778	load_resource_file "$DATADIR/treasures"	3682	load_resource_file "$DATADIR/treasures"
2779	or die "unable to load treasurelists\n";	3683	or die "unable to load treasurelists\n";
2780	}	3684	}
2781		3685
		3686	sub reload_sound {
		3687	trace "loading sound config from $DATADIR/sound\n";
		3688
		3689	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3690
		3691	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3692	my $sound = $soundconf->{compat}[$_]
		3693	or next;
		3694
		3695	my $face = cf::face::find "sound/$sound->[1]";
		3696	cf::sound::set $sound->[0] => $face;
		3697	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3698	}
		3699
		3700	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3701	my $face = cf::face::find "sound/$v";
		3702	cf::sound::set $k => $face;
		3703	}
		3704	}
		3705
		3706	sub reload_pod {
		3707	trace "loading pods $PODDIR\n";
		3708
		3709	my @command_help;
		3710
		3711	for (
		3712	[0, "command_help"],
		3713	[1, "emote_help"],
		3714	[2, "dmcommand_help"],
		3715	) {
		3716	my ($type, $path) = @$_;
		3717
		3718	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3719	or die "unable to load $path";
		3720
		3721	my $level = 1e9;
		3722
		3723	for my $par (@$paragraphs) {
		3724	if ($par->{type} eq "head2") {
		3725	# this code taken almost verbatim from DC/Protocol.pm
		3726
		3727	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3728	my $cmd = $1;
		3729	my @args = split /\|/, $2;
		3730	@args = (".*") unless @args;
		3731
		3732	$_ = $_ eq ".*" ? "" : " $_"
		3733	for @args;
		3734
		3735	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3736
		3737	push @command_help, [$type, \@variants, &cf::pod::as_cfpod ([$par])];
		3738	$level = $par->{level};
		3739	} else {
		3740	error "$par->{markup}: unparsable command heading";
		3741	}
		3742	} elsif ($par->{level} > $level) {
		3743	$command_help[-1][2] .= &cf::pod::as_cfpod ([$par]);
		3744	}
		3745
		3746	cf::cede_to_tick;
		3747	}
		3748	}
		3749
		3750	@command_help = sort {
		3751	$a->[0] <=> $b->[0]
		3752	or $a->[1] cmp $b->[1]
		3753	} @command_help;
		3754
		3755	cf::cede_to_tick;
		3756
		3757	add_face "res/command_help" => FT_RSRC,
		3758	JSON::XS->new->utf8->encode (\@command_help);
		3759	}
		3760
2782	sub reload_resources {	3761	sub reload_resources {
2783	warn "reloading resource files...\n";	3762	trace "reloading resource files...\n";
2784		3763
		3764	reload_materials;
		3765	reload_facedata;
		3766	reload_exp_table;
		3767	reload_sound;
		3768	reload_archetypes;
2785	reload_regions;	3769	reload_regions;
2786	reload_facedata;
2787	#reload_archetypes;#d#
2788	reload_archetypes;
2789	reload_treasures;	3770	reload_treasures;
		3771	reload_pod;
2790		3772
2791	warn "finished reloading resource files\n";	3773	trace "finished reloading resource files\n";
2792	}	3774	}
2793		3775
2794	sub init {	3776	sub reload_config {
2795	reload_resources;	3777	trace "reloading config file...\n";
2796	}
2797		3778
2798	sub cfg_load {	3779	my $config = load_file "$CONFDIR/config";
2799	open my $fh, "<:utf8", "$CONFDIR/config"	3780	utf8::decode $config;
2800	or return;	3781	*CFG = decode_yaml $config;
2801		3782
2802	local $/;
2803	*CFG = YAML::Syck::Load <$fh>;
2804
2805	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3783	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2806		3784
2807	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3785	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2808	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3786	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2809		3787
2810	if (exists $CFG{mlockall}) {	3788	if (exists $CFG{mlockall}) {
…		…
2814	};	3792	};
2815	warn $@ if $@;	3793	warn $@ if $@;
2816	}	3794	}
2817	}	3795	}
2818		3796
		3797	sub pidfile() {
		3798	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3799	or die "$PIDFILE: $!";
		3800	flock $fh, &Fcntl::LOCK_EX
		3801	or die "$PIDFILE: flock: $!";
		3802	$fh
		3803	}
		3804
		3805	# make sure only one server instance is running at any one time
		3806	sub atomic {
		3807	my $fh = pidfile;
		3808
		3809	my $pid = <$fh>;
		3810	kill 9, $pid if $pid > 0;
		3811
		3812	seek $fh, 0, 0;
		3813	print $fh $$;
		3814	}
		3815
		3816	sub main_loop {
		3817	trace "EV::loop starting\n";
		3818	if (1) {
		3819	EV::loop;
		3820	}
		3821	trace "EV::loop returned\n";
		3822	goto &main_loop unless $REALLY_UNLOOP;
		3823	}
		3824
2819	sub main {	3825	sub main {
		3826	cf::init_globals; # initialise logging
		3827
		3828	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3829	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3830	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3831	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3832
		3833	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3834
2820	# we must not ever block the main coroutine	3835	# we must not ever block the main coroutine
2821	local $Coro::idle = sub {	3836	$Coro::idle = sub {
2822	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3837	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2823	(async {	3838	(async {
2824	Event::one_event;	3839	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3840	EV::loop EV::LOOP_ONESHOT;
2825	})->prio (Coro::PRIO_MAX);	3841	})->prio (Coro::PRIO_MAX);
2826	};	3842	};
2827		3843
2828	cfg_load;	3844	evthread_start IO::AIO::poll_fileno;
		3845
		3846	cf::sync_job {
		3847	cf::incloader::init ();
		3848
2829	db_init;	3849	db_init;
		3850
		3851	cf::init_anim;
		3852	cf::init_attackmess;
		3853	cf::init_dynamic;
		3854
		3855	cf::load_settings;
		3856
		3857	reload_resources;
		3858	reload_config;
		3859
		3860	cf::init_uuid;
		3861	cf::init_signals;
		3862	cf::init_skills;
		3863
		3864	cf::init_beforeplay;
		3865
		3866	atomic;
		3867
2830	load_extensions;	3868	load_extensions;
2831		3869
2832	$TICK_WATCHER->start;	3870	utime time, time, $RUNTIMEFILE;
2833	Event::loop;	3871
		3872	# no (long-running) fork's whatsoever before this point(!)
		3873	use POSIX ();
		3874	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3875
		3876	cf::_post_init 0;
		3877	};
		3878
		3879	cf::object::thawer::errors_are_fatal 0;
		3880	info "parse errors in files are no longer fatal from this point on.\n";
		3881
		3882	AE::postpone {
		3883	undef &main; # free gobs of memory :)
		3884	};
		3885
		3886	goto &main_loop;
2834	}	3887	}
2835		3888
2836	#############################################################################	3889	#############################################################################
2837	# initialisation and cleanup	3890	# initialisation and cleanup
2838		3891
2839	# install some emergency cleanup handlers	3892	# install some emergency cleanup handlers
2840	BEGIN {	3893	BEGIN {
		3894	our %SIGWATCHER = ();
2841	for my $signal (qw(INT HUP TERM)) {	3895	for my $signal (qw(INT HUP TERM)) {
2842	Event->signal (	3896	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2843	reentrant => 0,
2844	data => WF_AUTOCANCEL,
2845	signal => $signal,
2846	prio => 0,
2847	cb => sub {
2848	cf::cleanup "SIG$signal";	3897	cf::cleanup "SIG$signal";
2849	},
2850	);	3898	};
2851	}	3899	}
2852	}	3900	}
2853		3901
2854	sub write_runtime {	3902	sub write_runtime_sync {
2855	my $runtime = "$LOCALDIR/runtime";	3903	my $t0 = AE::time;
2856		3904
2857	# first touch the runtime file to show we are still running:	3905	# first touch the runtime file to show we are still running:
2858	# the fsync below can take a very very long time.	3906	# the fsync below can take a very very long time.
2859		3907
2860	IO::AIO::aio_utime $runtime, undef, undef;	3908	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2861		3909
2862	my $guard = cf::lock_acquire "write_runtime";	3910	my $guard = cf::lock_acquire "write_runtime";
2863		3911
2864	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3912	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2865	or return;	3913	or return;
2866		3914
2867	my $value = $cf::RUNTIME + 90 + 10;	3915	my $value = $cf::RUNTIME + 90 + 10;
2868	# 10 is the runtime save interval, for a monotonic clock	3916	# 10 is the runtime save interval, for a monotonic clock
2869	# 60 allows for the watchdog to kill the server.	3917	# 60 allows for the watchdog to kill the server.
…		…
2879	aio_utime $fh, undef, undef;	3927	aio_utime $fh, undef, undef;
2880		3928
2881	close $fh	3929	close $fh
2882	or return;	3930	or return;
2883		3931
2884	aio_rename "$runtime~", $runtime	3932	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2885	and return;	3933	and return;
2886		3934
2887	warn "runtime file written.\n";	3935	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2888		3936
2889	1	3937	1
		3938	}
		3939
		3940	our $uuid_lock;
		3941	our $uuid_skip;
		3942
		3943	sub write_uuid_sync($) {
		3944	$uuid_skip ||= $_[0];
		3945
		3946	return if $uuid_lock;
		3947	local $uuid_lock = 1;
		3948
		3949	my $uuid = "$LOCALDIR/uuid";
		3950
		3951	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3952	or return;
		3953
		3954	my $value = uuid_seq uuid_cur;
		3955
		3956	unless ($value) {
		3957	info "cowardly refusing to write zero uuid value!\n";
		3958	return;
		3959	}
		3960
		3961	my $value = uuid_str $value + $uuid_skip;
		3962	$uuid_skip = 0;
		3963
		3964	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3965	and return;
		3966
		3967	# always fsync - this file is important
		3968	aio_fsync $fh
		3969	and return;
		3970
		3971	close $fh
		3972	or return;
		3973
		3974	aio_rename "$uuid~", $uuid
		3975	and return;
		3976
		3977	trace "uuid file written ($value).\n";
		3978
		3979	1
		3980
		3981	}
		3982
		3983	sub write_uuid($$) {
		3984	my ($skip, $sync) = @_;
		3985
		3986	$sync ? write_uuid_sync $skip
		3987	: async { write_uuid_sync $skip };
2890	}	3988	}
2891		3989
2892	sub emergency_save() {	3990	sub emergency_save() {
2893	my $freeze_guard = cf::freeze_mainloop;	3991	my $freeze_guard = cf::freeze_mainloop;
2894		3992
2895	warn "enter emergency perl save\n";	3993	info "emergency_perl_save: enter\n";
		3994
		3995	# this is a trade-off: we want to be very quick here, so
		3996	# save all maps without fsync, and later call a global sync
		3997	# (which in turn might be very very slow)
		3998	local $USE_FSYNC = 0;
2896		3999
2897	cf::sync_job {	4000	cf::sync_job {
		4001	cf::write_runtime_sync; # external watchdog should not bark
		4002
2898	# use a peculiar iteration method to avoid tripping on perl	4003	# use a peculiar iteration method to avoid tripping on perl
2899	# refcount bugs in for. also avoids problems with players	4004	# refcount bugs in for. also avoids problems with players
2900	# and maps saved/destroyed asynchronously.	4005	# and maps saved/destroyed asynchronously.
2901	warn "begin emergency player save\n";	4006	info "emergency_perl_save: begin player save\n";
2902	for my $login (keys %cf::PLAYER) {	4007	for my $login (keys %cf::PLAYER) {
2903	my $pl = $cf::PLAYER{$login} or next;	4008	my $pl = $cf::PLAYER{$login} or next;
2904	$pl->valid or next;	4009	$pl->valid or next;
		4010	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2905	$pl->save;	4011	$pl->save;
2906	}	4012	}
2907	warn "end emergency player save\n";	4013	info "emergency_perl_save: end player save\n";
2908		4014
2909	warn "begin emergency map save\n";	4015	cf::write_runtime_sync; # external watchdog should not bark
		4016
		4017	info "emergency_perl_save: begin map save\n";
2910	for my $path (keys %cf::MAP) {	4018	for my $path (keys %cf::MAP) {
2911	my $map = $cf::MAP{$path} or next;	4019	my $map = $cf::MAP{$path} or next;
2912	$map->valid or next;	4020	$map->valid or next;
2913	$map->save;	4021	$map->save;
2914	}	4022	}
2915	warn "end emergency map save\n";	4023	info "emergency_perl_save: end map save\n";
2916		4024
2917	warn "begin emergency database checkpoint\n";	4025	cf::write_runtime_sync; # external watchdog should not bark
		4026
		4027	info "emergency_perl_save: begin database checkpoint\n";
2918	BDB::db_env_txn_checkpoint $DB_ENV;	4028	BDB::db_env_txn_checkpoint $DB_ENV;
2919	warn "end emergency database checkpoint\n";	4029	info "emergency_perl_save: end database checkpoint\n";
		4030
		4031	info "emergency_perl_save: begin write uuid\n";
		4032	write_uuid_sync 1;
		4033	info "emergency_perl_save: end write uuid\n";
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
		4036
		4037	trace "emergency_perl_save: syncing database to disk";
		4038	BDB::db_env_txn_checkpoint $DB_ENV;
		4039
		4040	info "emergency_perl_save: starting sync\n";
		4041	IO::AIO::aio_sync sub {
		4042	info "emergency_perl_save: finished sync\n";
		4043	};
		4044
		4045	cf::write_runtime_sync; # external watchdog should not bark
		4046
		4047	trace "emergency_perl_save: flushing outstanding aio requests";
		4048	while (IO::AIO::nreqs || BDB::nreqs) {
		4049	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4050	}
		4051
		4052	cf::write_runtime_sync; # external watchdog should not bark
2920	};	4053	};
2921		4054
2922	warn "leave emergency perl save\n";	4055	info "emergency_perl_save: leave\n";
2923	}	4056	}
2924		4057
2925	sub post_cleanup {	4058	sub post_cleanup {
2926	my ($make_core) = @_;	4059	my ($make_core) = @_;
2927		4060
		4061	IO::AIO::flush;
		4062
2928	warn Carp::longmess "post_cleanup backtrace"	4063	error Carp::longmess "post_cleanup backtrace"
2929	if $make_core;	4064	if $make_core;
		4065
		4066	my $fh = pidfile;
		4067	unlink $PIDFILE if <$fh> == $$;
		4068	}
		4069
		4070	# a safer delete_package, copied from Symbol
		4071	sub clear_package($) {
		4072	my $pkg = shift;
		4073
		4074	# expand to full symbol table name if needed
		4075	unless ($pkg =~ /^main::.*::$/) {
		4076	$pkg = "main$pkg" if $pkg =~ /^::/;
		4077	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4078	$pkg .= '::' unless $pkg =~ /::$/;
		4079	}
		4080
		4081	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4082	my $stem_symtab = *{$stem}{HASH};
		4083
		4084	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4085	or return;
		4086
		4087	# clear all symbols
		4088	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4089	for my $name (keys %$leaf_symtab) {
		4090	_gv_clear *{"$pkg$name"};
		4091	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4092	}
2930	}	4093	}
2931		4094
2932	sub do_reload_perl() {	4095	sub do_reload_perl() {
2933	# can/must only be called in main	4096	# can/must only be called in main
2934	if ($Coro::current != $Coro::main) {	4097	unless (in_main) {
2935	warn "can only reload from main coroutine";	4098	error "can only reload from main coroutine";
2936	return;	4099	return;
2937	}	4100	}
2938		4101
2939	warn "reloading...";	4102	return if $RELOAD++;
2940		4103
2941	warn "entering sync_job";	4104	my $t1 = AE::time;
2942		4105
		4106	while ($RELOAD) {
		4107	cf::get_slot 0.1, -1, "reload_perl";
		4108	info "perl_reload: reloading...";
		4109
		4110	trace "perl_reload: entering sync_job";
		4111
2943	cf::sync_job {	4112	cf::sync_job {
2944	cf::write_runtime; # external watchdog should not bark
2945	cf::emergency_save;	4113	#cf::emergency_save;
2946	cf::write_runtime; # external watchdog should not bark
2947		4114
2948	warn "syncing database to disk";
2949	BDB::db_env_txn_checkpoint $DB_ENV;
2950
2951	# if anything goes wrong in here, we should simply crash as we already saved
2952
2953	warn "cancelling all WF_AUTOCANCEL watchers";
2954	for (Event::all_watchers) {
2955	$_->cancel if $_->data & WF_AUTOCANCEL;
2956	}
2957
2958	warn "flushing outstanding aio requests";
2959	for (;;) {
2960	BDB::flush;
2961	IO::AIO::flush;
2962	Coro::cede;
2963	last unless IO::AIO::nreqs || BDB::nreqs;
2964	warn "iterate...";
2965	}
2966
2967	++$RELOAD;
2968
2969	warn "cancelling all extension coros";	4115	trace "perl_reload: cancelling all extension coros";
2970	$_->cancel for values %EXT_CORO;	4116	$_->cancel for values %EXT_CORO;
2971	%EXT_CORO = ();	4117	%EXT_CORO = ();
2972		4118
2973	warn "removing commands";	4119	trace "perl_reload: removing commands";
2974	%COMMAND = ();	4120	%COMMAND = ();
2975		4121
2976	warn "removing ext/exti commands";	4122	trace "perl_reload: removing ext/exti commands";
2977	%EXTCMD = ();	4123	%EXTCMD = ();
2978	%EXTICMD = ();	4124	%EXTICMD = ();
2979		4125
2980	warn "unloading/nuking all extensions";	4126	trace "perl_reload: unloading/nuking all extensions";
2981	for my $pkg (@EXTS) {	4127	for my $pkg (@EXTS) {
2982	warn "... unloading $pkg";	4128	trace "... unloading $pkg";
2983		4129
2984	if (my $cb = $pkg->can ("unload")) {	4130	if (my $cb = $pkg->can ("unload")) {
2985	eval {	4131	eval {
2986	$cb->($pkg);	4132	$cb->($pkg);
2987	1	4133	1
2988	} or warn "$pkg unloaded, but with errors: $@";	4134	} or error "$pkg unloaded, but with errors: $@";
		4135	}
		4136
		4137	trace "... clearing $pkg";
		4138	clear_package $pkg;
2989	}	4139	}
2990		4140
2991	warn "... nuking $pkg";
2992	Symbol::delete_package $pkg;
2993	}
2994
2995	warn "unloading all perl modules loaded from $LIBDIR";	4141	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2996	while (my ($k, $v) = each %INC) {	4142	while (my ($k, $v) = each %INC) {
2997	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4143	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2998		4144
2999	warn "... unloading $k";	4145	trace "... unloading $k";
3000	delete $INC{$k};	4146	delete $INC{$k};
3001		4147
3002	$k =~ s/\.pm$//;	4148	$k =~ s/\.pm$//;
3003	$k =~ s/\//::/g;	4149	$k =~ s/\//::/g;
3004		4150
3005	if (my $cb = $k->can ("unload_module")) {	4151	if (my $cb = $k->can ("unload_module")) {
3006	$cb->();	4152	$cb->();
		4153	}
		4154
		4155	clear_package $k;
3007	}	4156	}
3008		4157
3009	Symbol::delete_package $k;
3010	}
3011
3012	warn "getting rid of safe::, as good as possible";	4158	trace "perl_reload: getting rid of safe::, as good as possible";
3013	Symbol::delete_package "safe::$_"	4159	clear_package "safe::$_"
3014	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4160	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3015		4161
3016	warn "unloading cf.pm \"a bit\"";	4162	trace "perl_reload: unloading cf.pm \"a bit\"";
3017	delete $INC{"cf.pm"};	4163	delete $INC{"cf.pm"};
3018	delete $INC{"cf/pod.pm"};	4164	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3019		4165
3020	# don't, removes xs symbols, too,	4166	# don't, removes xs symbols, too,
3021	# and global variables created in xs	4167	# and global variables created in xs
3022	#Symbol::delete_package __PACKAGE__;	4168	#clear_package __PACKAGE__;
3023		4169
3024	warn "unload completed, starting to reload now";	4170	info "perl_reload: unload completed, starting to reload now";
3025		4171
3026	warn "reloading cf.pm";	4172	trace "perl_reload: reloading cf.pm";
3027	require cf;	4173	require cf;
3028	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4174	cf::_connect_to_perl_1;
3029		4175
3030	warn "loading config and database again";	4176	trace "perl_reload: loading config and database again";
3031	cf::cfg_load;	4177	cf::reload_config;
3032		4178
3033	warn "loading extensions";	4179	trace "perl_reload: loading extensions";
3034	cf::load_extensions;	4180	cf::load_extensions;
3035		4181
		4182	if ($REATTACH_ON_RELOAD) {
3036	warn "reattaching attachments to objects/players";	4183	trace "perl_reload: reattaching attachments to objects/players";
3037	_global_reattach; # objects, sockets	4184	_global_reattach; # objects, sockets
3038	warn "reattaching attachments to maps";	4185	trace "perl_reload: reattaching attachments to maps";
3039	reattach $_ for values %MAP;	4186	reattach $_ for values %MAP;
3040	warn "reattaching attachments to players";	4187	trace "perl_reload: reattaching attachments to players";
3041	reattach $_ for values %PLAYER;	4188	reattach $_ for values %PLAYER;
		4189	}
3042		4190
3043	warn "leaving sync_job";	4191	cf::_post_init 1;
3044		4192
		4193	trace "perl_reload: leaving sync_job";
		4194
3045	1	4195	1
3046	} or do {	4196	} or do {
3047	warn $@;	4197	error $@;
3048	warn "error while reloading, exiting.";	4198	cf::cleanup "perl_reload: error, exiting.";
3049	exit 1;	4199	};
		4200
		4201	--$RELOAD;
3050	};	4202	}
3051		4203
3052	warn "reloaded";	4204	$t1 = AE::time - $t1;
		4205	info "perl_reload: completed in ${t1}s\n";
3053	};	4206	};
3054		4207
3055	our $RELOAD_WATCHER; # used only during reload	4208	our $RELOAD_WATCHER; # used only during reload
3056		4209
3057	sub reload_perl() {	4210	sub reload_perl() {
3058	# doing reload synchronously and two reloads happen back-to-back,	4211	# doing reload synchronously and two reloads happen back-to-back,
3059	# coro crashes during coro_state_free->destroy here.	4212	# coro crashes during coro_state_free->destroy here.
3060		4213
3061	$RELOAD_WATCHER ||= Event->timer (	4214	$RELOAD_WATCHER ||= cf::async {
3062	reentrant => 0,	4215	Coro::AIO::aio_wait cache_extensions;
3063	after => 0,	4216
3064	data => WF_AUTOCANCEL,	4217	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3065	cb => sub {
3066	do_reload_perl;	4218	do_reload_perl;
3067	undef $RELOAD_WATCHER;	4219	undef $RELOAD_WATCHER;
3068	},	4220	};
3069	);	4221	};
3070	}	4222	}
3071		4223
3072	register_command "reload" => sub {	4224	register_command "reload" => sub {
3073	my ($who, $arg) = @_;	4225	my ($who, $arg) = @_;
3074		4226
3075	if ($who->flag (FLAG_WIZ)) {	4227	if ($who->flag (FLAG_WIZ)) {
3076	$who->message ("reloading server.");	4228	$who->message ("reloading server.");
		4229	async {
		4230	$Coro::current->{desc} = "perl_reload";
3077	async { reload_perl };	4231	reload_perl;
		4232	};
3078	}	4233	}
3079	};	4234	};
3080		4235
3081	unshift @INC, $LIBDIR;	4236	#############################################################################
3082		4237
3083	my $bug_warning = 0;	4238	my $bug_warning = 0;
3084		4239
3085	our @WAIT_FOR_TICK;
3086	our @WAIT_FOR_TICK_BEGIN;
3087
3088	sub wait_for_tick {	4240	sub wait_for_tick() {
3089	return unless $TICK_WATCHER->is_active;	4241	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3090	return if $Coro::current == $Coro::main;
3091		4242
3092	my $signal = new Coro::Signal;	4243	$WAIT_FOR_TICK->wait;
3093	push @WAIT_FOR_TICK, $signal;
3094	$signal->wait;
3095	}	4244	}
3096		4245
3097	sub wait_for_tick_begin {	4246	sub wait_for_tick_begin() {
3098	return unless $TICK_WATCHER->is_active;	4247	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3099	return if $Coro::current == $Coro::main;
3100		4248
3101	my $signal = new Coro::Signal;	4249	my $signal = new Coro::Signal;
3102	push @WAIT_FOR_TICK_BEGIN, $signal;	4250	push @WAIT_FOR_TICK_BEGIN, $signal;
3103	$signal->wait;	4251	$signal->wait;
3104	}	4252	}
3105		4253
3106	my $min = 1e6;#d#	4254	sub tick {
3107	my $avg = 10;
3108	$TICK_WATCHER = Event->timer (
3109	reentrant => 0,
3110	parked => 1,
3111	prio => 0,
3112	at => $NEXT_TICK || $TICK,
3113	data => WF_AUTOCANCEL,
3114	cb => sub {
3115	if ($Coro::current != $Coro::main) {	4255	if ($Coro::current != $Coro::main) {
3116	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4256	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3117	unless ++$bug_warning > 10;	4257	unless ++$bug_warning > 10;
3118	return;	4258	return;
3119	}	4259	}
3120		4260
3121	$NOW = $tick_start = Event::time;	4261	cf::one_tick; # one server iteration
3122		4262
3123	cf::server_tick; # one server iteration	4263	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3124		4264
3125	0 && sync_job {#d#	4265	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3126	for(1..10) {	4266	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3127	my $t = Event::time;	4267	Coro::async_pool {
3128	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4268	$Coro::current->{desc} = "runtime saver";
3129	or die;	4269	write_runtime_sync
3130		4270	or error "ERROR: unable to write runtime file: $!";
3131	$map->width (50);
3132	$map->height (50);
3133	$map->alloc;
3134	$map->_load_objects ("/tmp/x.map", 1);
3135	my $t = Event::time - $t;
3136
3137	#next unless $t < 0.0013;#d#
3138	if ($t < $min) {
3139	$min = $t;
3140	}
3141	$avg = $avg * 0.99 + $t * 0.01;
3142	}
3143	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3144	exit 0;
3145	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3146	};	4271	};
		4272	}
3147		4273
3148	$RUNTIME += $TICK;
3149	$NEXT_TICK += $TICK;
3150
3151	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3152	$NEXT_RUNTIME_WRITE = $NOW + 10;
3153	Coro::async_pool {
3154	write_runtime
3155	or warn "ERROR: unable to write runtime file: $!";
3156	};
3157	}
3158
3159	# my $AFTER = Event::time;
3160	# warn $AFTER - $NOW;#d#
3161
3162	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4274	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3163	$sig->send;	4275	$sig->send;
3164	}	4276	}
3165	while (my $sig = shift @WAIT_FOR_TICK) {	4277	$WAIT_FOR_TICK->broadcast;
3166	$sig->send;
3167	}
3168		4278
3169	$NOW = Event::time;	4279	$LOAD = ($NOW - $TICK_START) / $TICK;
3170
3171	# if we are delayed by four ticks or more, skip them all
3172	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3173
3174	$TICK_WATCHER->at ($NEXT_TICK);
3175	$TICK_WATCHER->start;
3176
3177	$LOAD = ($NOW - $tick_start) / $TICK;
3178	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4280	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3179		4281
3180	_post_tick;	4282	if (0) {
3181		4283	if ($NEXT_TICK) {
3182		4284	my $jitter = $TICK_START - $NEXT_TICK;
		4285	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4286	debug "jitter $JITTER\n";#d#
		4287	}
3183	},	4288	}
3184	);	4289	}
3185		4290
3186	{	4291	{
3187	BDB::max_poll_time $TICK * 0.1;	4292	# configure BDB
3188	$BDB_POLL_WATCHER = Event->io (	4293	info "initialising database";
3189	reentrant => 0,	4294
3190	fd => BDB::poll_fileno,
3191	poll => 'r',
3192	prio => 0,
3193	data => WF_AUTOCANCEL,
3194	cb => \&BDB::poll_cb,
3195	);
3196	BDB::min_parallel 8;	4295	BDB::min_parallel 16;
3197		4296	BDB::max_poll_reqs $TICK * 0.1;
3198	BDB::set_sync_prepare {	4297	#$AnyEvent::BDB::WATCHER->priority (1);
3199	my $status;
3200	my $current = $Coro::current;
3201	(
3202	sub {
3203	$status = $!;
3204	$current->ready; undef $current;
3205	},
3206	sub {
3207	Coro::schedule while defined $current;
3208	$! = $status;
3209	},
3210	)
3211	};
3212		4298
3213	unless ($DB_ENV) {	4299	unless ($DB_ENV) {
3214	$DB_ENV = BDB::db_env_create;	4300	$DB_ENV = BDB::db_env_create;
		4301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4302	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4303	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4304	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4305	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3215		4306
3216	cf::sync_job {	4307	cf::sync_job {
3217	eval {	4308	eval {
3218	BDB::db_env_open	4309	BDB::db_env_open
3219	$DB_ENV,	4310	$DB_ENV,
…		…
3221	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4312	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3222	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4313	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3223	0666;	4314	0666;
3224		4315
3225	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4316	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3226
3227	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3228	$DB_ENV->set_lk_detect;
3229	};	4317	};
3230		4318
3231	cf::cleanup "db_env_open(db): $@" if $@;	4319	cf::cleanup "db_env_open(db): $@" if $@;
3232	};	4320	};
3233	}	4321	}
		4322
		4323	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4324	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4325	};
		4326	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4327	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4328	};
		4329	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4330	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4331	};
		4332
		4333	info "database initialised";
3234	}	4334	}
3235		4335
3236	{	4336	{
		4337	# configure IO::AIO
		4338
		4339	info "initialising aio";
3237	IO::AIO::min_parallel 8;	4340	IO::AIO::min_parallel 8;
3238
3239	undef $Coro::AIO::WATCHER;
3240	IO::AIO::max_poll_time $TICK * 0.1;	4341	IO::AIO::max_poll_time $TICK * 0.1;
3241	$AIO_POLL_WATCHER = Event->io (	4342	undef $AnyEvent::AIO::WATCHER;
3242	reentrant => 0,	4343	info "aio initialised";
3243	data => WF_AUTOCANCEL,
3244	fd => IO::AIO::poll_fileno,
3245	poll => 'r',
3246	prio => 6,
3247	cb => \&IO::AIO::poll_cb,
3248	);
3249	}	4344	}
3250		4345
3251	my $_log_backtrace;	4346	our $_log_backtrace;
		4347	our $_log_backtrace_last;
3252		4348
3253	sub _log_backtrace {	4349	sub _log_backtrace {
3254	my ($msg, @addr) = @_;	4350	my ($msg, @addr) = @_;
3255		4351
3256	$msg =~ s/\n//;	4352	$msg =~ s/\n$//;
3257		4353
		4354	if ($_log_backtrace_last eq $msg) {
		4355	LOG llevInfo, "[ABT] $msg\n";
		4356	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3258	# limit the # of concurrent backtraces	4357	# limit the # of concurrent backtraces
3259	if ($_log_backtrace < 2) {	4358	} elsif ($_log_backtrace < 2) {
		4359	$_log_backtrace_last = $msg;
3260	++$_log_backtrace;	4360	++$_log_backtrace;
		4361	my $perl_bt = Carp::longmess $msg;
3261	async {	4362	async {
		4363	$Coro::current->{desc} = "abt $msg";
		4364
3262	my @bt = fork_call {	4365	my @bt = fork_call {
3263	@addr = map { sprintf "%x", $_ } @addr;	4366	@addr = map { sprintf "%x", $_ } @addr;
3264	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4367	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3265	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4368	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3266	or die "addr2line: $!";	4369	or die "addr2line: $!";
…		…
3274	}	4377	}
3275		4378
3276	@funcs	4379	@funcs
3277	};	4380	};
3278		4381
3279	LOG llevInfo, "[ABT] $msg\n";	4382	LOG llevInfo, "[ABT] $perl_bt\n";
		4383	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3280	LOG llevInfo, "[ABT] $_\n" for @bt;	4384	LOG llevInfo, "[ABT] $_\n" for @bt;
3281	--$_log_backtrace;	4385	--$_log_backtrace;
3282	};	4386	};
3283	} else {	4387	} else {
3284	LOG llevInfo, "[ABT] $msg\n";	4388	LOG llevInfo, "[ABT] $msg\n";
3285	LOG llevInfo, "[ABT] [suppressed]\n";	4389	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3286	}	4390	}
3287	}	4391	}
3288		4392
3289	# load additional modules	4393	# load additional modules
3290	use cf::pod;	4394	require "cf/$_.pm" for @EXTRA_MODULES;
		4395	cf::_connect_to_perl_2;
3291		4396
3292	END { cf::emergency_save }	4397	END { cf::emergency_save }
3293		4398
3294	1	4399	1
3295		4400

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