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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.265 by root, Fri May 11 08:00:00 2007 UTC vs.
Revision 1.596 by root, Fri Nov 9 20:37:57 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 ();
		57	use JSON::XS 2.01 ();
25	use BDB ();	58	use BDB ();
26	use Data::Dumper;	59	use Data::Dumper;
27	use Digest::MD5;
28	use Fcntl;	60	use Fcntl;
29	use YAML::Syck ();	61	use YAML::XS ();
30	use IO::AIO 2.32 ();	62	use IO::AIO ();
31	use Time::HiRes;	63	use Time::HiRes;
32	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
33		68
34	# configure various modules to our taste	69	# configure various modules to our taste
35	#	70	#
36	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
37	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";
38	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
39		79
40	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
41		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
42	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
43	$YAML::Syck::ImplicitUnicode = 1;
44
45	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
46		82
47	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;
48		86
49	our %COMMAND = ();	87	our %COMMAND = ();
50	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
51		89
52	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
		93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
56		97
57	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
59		102
60	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
61	our $DATADIR = datadir;	105	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
65	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
		116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
71		126
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
73	our $TICK_WATCHER;
74	our $AIO_POLL_WATCHER;
75	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	129	our $NEXT_TICK;
		130	our $USE_FSYNC = 1; # use fsync to write maps - default on
		131
		132	our $BDB_DEADLOCK_WATCHER;
		133	our $BDB_CHECKPOINT_WATCHER;
		134	our $BDB_TRICKLE_WATCHER;
		135	our $DB_ENV;
		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
		139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		141
		142	our $UPTIME; $UPTIME ||= time;
		143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
77	our $NOW;	145	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		146
80	our $BDB_POLL_WATCHER;	147	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	148	our (%MAP, %MAP_LOADING ); # all maps
82
83	our %CFG;
84
85	our $UPTIME; $UPTIME ||= time;
86	our $RUNTIME;
87
88	our %PLAYER; # all users
89	our %MAP; # all maps
90	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
91		150
92	# used to convert map paths into valid unix filenames by replacing / by ∕	151	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		153
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
98		166
99	binmode STDOUT;	167	binmode STDOUT;
100	binmode STDERR;	168	binmode STDERR;
101		169
102	# read virtual server time, if available	170	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
107	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
108		178
109	mkdir $_	179	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		181
112	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
113		183
114	sub cf::map::normalise;	184	sub cf::map::normalise;
115		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
116	#############################################################################	190	#############################################################################
117		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
118	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
119		204
120	=over 4	205	=over 4
121		206
122	=item $cf::UPTIME	207	=item $cf::UPTIME
123		208
124	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
125		225
126	=item $cf::RUNTIME	226	=item $cf::RUNTIME
127		227
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	229	every server tick.
130		230
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		234
135	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
138	database environment.	238	database environment.
139		239
140	=item $cf::NOW
141
142	The time of the last (current) server tick.
143
144	=item $cf::TICK
145
146	The interval between server ticks, in seconds.
147
148	=item $cf::LOADAVG	240	=item $cf::LOADAVG
149		241
150	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
155		247
156	The raw value load value from the last tick.	248	The raw value load value from the last tick.
157		249
158	=item %cf::CFG	250	=item %cf::CFG
159		251
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	253	from wherever your confdir points to.
162		254
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		256
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	258	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		260
		261	Note that cf::Wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
		278	=item @cf::INVOKE_RESULTS
		279
		280	This array contains the results of the last C<invoke ()> call. When
		281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		282	that call.
		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
169	=back	290	=back
170		291
171	=cut	292	=cut
172		293
173	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	301	my $msg = join "", @_;
176		302
177	$msg .= "\n"	303	$msg .= "\n"
178	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
179		305
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		307
182	utf8::encode $msg;
183	LOG llevError, $msg;	308	LOG llevWarn, $msg;
184	};	309	};
185	}	310
		311	$Coro::State::DIEHOOK = sub {
		312	return unless $^S eq 0; # "eq", not "=="
		313
		314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
		317	error "DIEHOOK called in main context, Coro bug?\n";#d#
		318	return;#d#
		319	}#d#
		320
		321	# kill coroutine otherwise
		322	Coro::terminate
		323	};
186		324
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	329	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		330	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	331	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		332
194	# we bless all objects into (empty) derived classes to force a method lookup	333	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	334	# within the Safe compartment.
196	for my $pkg (qw(	335	for my $pkg (qw(
197	cf::global cf::attachable	336	cf::global cf::attachable
198	cf::object cf::object::player	337	cf::object cf::object::player
199	cf::client cf::player	338	cf::client cf::player
200	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
201	cf::map cf::party cf::region	341	cf::party cf::region
202	)) {	342	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	344	}
206		345
207	$Event::DIED = sub {	346	$EV::DIED = sub {
208	warn "error in event callback: @_";	347	warn "error in event callback: $@";
209	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
		354
		355	#############################################################################
210		356
211	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
212		358
213	=over 4	359	=over 4
214		360
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	380	$d
235	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
236	}	382	}
237		383
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	384	=item $scalar = cf::load_file $path
239		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
240	=item $ref = cf::from_json $json	436	=item $ref = cf::decode_json $json
241		437
242	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
243		439
244	=item $json = cf::to_json $ref	440	=item $json = cf::encode_json $ref
245		441
246	Converts a perl data structure into its JSON representation.	442	Converts a perl data structure into its JSON representation.
247		443
		444	=cut
		445
		446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		447
		448	sub encode_json($) { $json_coder->encode ($_[0]) }
		449	sub decode_json($) { $json_coder->decode ($_[0]) }
		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
248	=item cf::lock_wait $string	513	=item cf::lock_wait $string
249		514
250	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
251		516
252	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
253		518
254	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
255	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
256	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
257	returned.	522	returned.
258		523
		524	Locks are *not* recursive, locking from the same coro twice results in a
		525	deadlocked coro.
		526
259	Lock names should begin with a unique identifier (for example, cf::map::find	527	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	528	uses map_find and cf::map::load uses map_load).
261		529
262	=item $locked = cf::lock_active $string	530	=item $locked = cf::lock_active $string
263		531
264	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
265		533
266	=cut	534	=cut
267		535
268	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
269		537
270	sub lock_wait($) {	538	sub lock_wait($) {
271	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	540	}
279		541
280	sub lock_acquire($) {	542	sub lock_acquire($) {
281	my ($key) = @_;	543	$LOCKS->guard ($_[0])
282
283	# wait, to be sure we are not locked
284	lock_wait $key;
285
286	$LOCK{$key} = [];
287
288	Coro::guard {
289	# wake up all waiters, to be on the safe side
290	$_->ready for @{ delete $LOCK{$key} };
291	}
292	}	544	}
293		545
294	sub lock_active($) {	546	sub lock_active($) {
295	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	548	}
299		549
300	sub freeze_mainloop {	550	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	551	tick_inhibit_inc;
302		552
303	my $guard = Coro::guard {	553	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	554	}
		555
		556	=item cf::periodic $interval, $cb
		557
		558	Like EV::periodic, but randomly selects a starting point so that the actions
		559	get spread over time.
		560
		561	=cut
		562
		563	sub periodic($$) {
		564	my ($interval, $cb) = @_;
		565
		566	my $start = rand List::Util::min 180, $interval;
		567
		568	EV::periodic $start, $interval, 0, $cb
		569	}
		570
		571	=item cf::get_slot $time[, $priority[, $name]]
		572
		573	Allocate $time seconds of blocking CPU time at priority C<$priority>
		574	(default: 0): This call blocks and returns only when you have at least
		575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
		580
		581	The optional C<$name> can be used to identify the job to run. It might be
		582	used for statistical purposes and should identify the same time-class.
		583
		584	Useful for short background jobs.
		585
		586	=cut
		587
		588	our @SLOT_QUEUE;
		589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
		591
		592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		593	$SLOT_QUEUE = Coro::async {
		594	$Coro::current->desc ("timeslot manager");
		595
		596	my $signal = new Coro::Signal;
		597	my $busy;
		598
		599	while () {
		600	next_job:
		601
		602	my $avail = cf::till_tick;
		603
		604	for (0 .. $#SLOT_QUEUE) {
		605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
		607	my $job = splice @SLOT_QUEUE, $_, 1, ();
		608	$job->[2]->send;
		609	Coro::cede;
		610	goto next_job;
		611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		613	}
		614	}
		615
		616	if (@SLOT_QUEUE) {
		617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		618	$WAIT_FOR_TICK->wait;
		619	} else {
		620	$busy = 0;
		621	Coro::schedule;
		622	}
305	};	623	}
306	$TICK_WATCHER->stop;	624	};
307	$guard	625
		626	sub get_slot($;$$) {
		627	return if tick_inhibit || $Coro::current == $Coro::main;
		628
		629	my ($time, $pri, $name) = @_;
		630
		631	$time = clamp $time, 0.01, $TICK * .6;
		632
		633	my $sig = new Coro::Signal;
		634
		635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		637	$SLOT_QUEUE->ready;
		638	$sig->wait;
308	}	639	}
309		640
310	=item cf::async { BLOCK }	641	=item cf::async { BLOCK }
311		642
312	Currently the same as Coro::async_pool, meaning you cannot use	643	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		648
318	BEGIN { *async = \&Coro::async_pool }	649	BEGIN { *async = \&Coro::async_pool }
319		650
320	=item cf::sync_job { BLOCK }	651	=item cf::sync_job { BLOCK }
321		652
322	The design of crossfire+ requires that the main coro ($Coro::main) is	653	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	654	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	655	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		656	acceptable.
325		657
326	If it must be done, put the blocking parts into C<sync_job>. This will run	658	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	659	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	660	server will be frozen during this time, so the block should either finish
329	fast or be very important.	661	fast or be very important.
…		…
331	=cut	663	=cut
332		664
333	sub sync_job(&) {	665	sub sync_job(&) {
334	my ($job) = @_;	666	my ($job) = @_;
335		667
336	if ($Coro::current == $Coro::main) {	668	if (in_main) {
337	my $time = Event::time;	669	my $time = AE::time;
338		670
339	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
341		673
342	# TODO: use suspend/resume instead	674	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	675
344	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
345		677
346	my $busy = 1;	678	my $busy = 1;
347	my @res;	679	my @res;
348		680
349	(async {	681	(async {
		682	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	683	@res = eval { $job->() };
351	warn $@ if $@;	684	error $@ if $@;
352	undef $busy;	685	undef $busy;
353	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
354		687
355	while ($busy) {	688	while ($busy) {
356	Coro::cede or Event::one_event;	689	if (Coro::nready) {
		690	Coro::cede_notself;
		691	} else {
		692	EV::loop EV::LOOP_ONESHOT;
357	}	693	}
		694	}
358		695
359	$time = Event::time - $time;	696	my $time = AE::time - $time;
360		697
361	LOG llevError | logBacktrace, "long sync job\n"
362	if $time > $TICK * 0.5;
363
364	$tick_start += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
365		699
366	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
367	} else {	701	} else {
368	# we are in another coroutine, how wonderful, everything just works	702	# we are in another coroutine, how wonderful, everything just works
369		703
…		…
389	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
390		724
391	$coro	725	$coro
392	}	726	}
393		727
394	sub write_runtime {	728	=item fork_call { }, @args
395	my $runtime = "$LOCALDIR/runtime";
396		729
397	# first touch the runtime file to show we are still running:	730	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	731	process, returning the results. Everything must be serialisable with
		732	Coro::Storable. May, of course, block. Note that the executed sub may
		733	never block itself or use any form of event handling.
399		734
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	735	=cut
401	utime undef, undef, $fh;	736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
		741	sub fork_call(&@) {
		742	my ($cb, @args) = @_;
		743
		744	# we seemingly have to make a local copy of the whole thing,
		745	# otherwise perl prematurely frees the stuff :/
		746	# TODO: investigate and fix (likely this will be rather laborious)
		747
		748	my @res = Coro::Util::fork_eval {
		749	cf::post_fork;
		750	&$cb
		751	} @args;
		752
		753	wantarray ? @res : $res[-1]
		754	}
		755
		756	sub objinfo {
		757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
		765	}
		766
		767	=item $coin = coin_from_name $name
		768
		769	=cut
		770
		771	our %coin_alias = (
		772	"silver" => "silvercoin",
		773	"silvercoin" => "silvercoin",
		774	"silvercoins" => "silvercoin",
		775	"gold" => "goldcoin",
		776	"goldcoin" => "goldcoin",
		777	"goldcoins" => "goldcoin",
		778	"platinum" => "platinacoin",
		779	"platinumcoin" => "platinacoin",
		780	"platinumcoins" => "platinacoin",
		781	"platina" => "platinacoin",
		782	"platinacoin" => "platinacoin",
		783	"platinacoins" => "platinacoin",
		784	"royalty" => "royalty",
		785	"royalties" => "royalty",
		786	);
		787
		788	sub coin_from_name($) {
		789	$coin_alias{$_[0]}
		790	? cf::arch::find $coin_alias{$_[0]}
		791	: undef
		792	}
		793
		794	=item $value = cf::db_get $family => $key
		795
		796	Returns a single value from the environment database.
		797
		798	=item cf::db_put $family => $key => $value
		799
		800	Stores the given C<$value> in the family. It can currently store binary
		801	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		802
		803	=item $db = cf::db_table "name"
		804
		805	Create and/or open a new database table. The string must not be "db" and must be unique
		806	within each server.
		807
		808	=cut
		809
		810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
		814	my ($name) = @_;
		815	my $db = BDB::db_create $DB_ENV;
		816
		817	eval {
		818	$db->set_flags (BDB::CHKSUM);
		819
		820	utf8::encode $name;
		821	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		822	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		823	cf::cleanup "db_open(db): $!" if $!;
402	}	824	};
		825	cf::cleanup "db_open(db): $@" if $@;
403		826
404	my $guard = cf::lock_acquire "write_runtime";	827	$db
		828	}
405		829
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	830	our $DB;
407	or return;
408		831
409	my $value = $cf::RUNTIME + 90 + 10;	832	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	833	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	834	}
412		835
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	836	sub db_get($$) {
414	and return;	837	my $key = "$_[0]/$_[1]";
415		838
416	# always fsync - this file is important	839	cf::error "db_get called from main context"
417	aio_fsync $fh	840	if $Coro::current == $Coro::main;
418	and return;
419		841
420	# touch it again to show we are up-to-date	842	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		843
423	close $fh	844	$! ? ()
424	or return;	845	: $data
		846	}
425		847
426	aio_rename "$runtime~", $runtime	848	sub db_put($$$) {
427	and return;	849	BDB::dbreq_pri 4;
		850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		851	}
428		852
429	warn "runtime file written.\n";#d#	853	=item cf::cache $id => [$paths...], $processversion => $process
430		854
		855	Generic caching function that returns the value of the resource $id,
		856	caching and regenerating as required.
		857
		858	This function can block.
		859
		860	=cut
		861
		862	sub cache {
		863	my ($id, $src, $processversion, $process) = @_;
		864
		865	my $meta =
		866	join "\x00",
		867	$processversion,
		868	map {
		869	aio_stat $_
		870	and Carp::croak "$_: $!";
		871
		872	($_, (stat _)[7,9])
		873	} @$src;
		874
		875	my $dbmeta = db_get cache => "$id/meta";
		876	if ($dbmeta ne $meta) {
		877	# changed, we may need to process
		878
		879	my @data;
		880	my $md5;
		881
		882	for (0 .. $#$src) {
		883	$data[$_] = load_file $src->[$_];
		884	}
		885
		886	# if processing is expensive, check
		887	# checksum first
		888	if (1) {
		889	$md5 =
		890	join "\x00",
		891	$processversion,
		892	map {
		893	cf::cede_to_tick;
		894	($src->[$_], Digest::MD5::md5_hex $data[$_])
		895	} 0.. $#$src;
		896
		897
		898	my $dbmd5 = db_get cache => "$id/md5";
		899	if ($dbmd5 eq $md5) {
		900	db_put cache => "$id/meta", $meta;
		901
		902	return db_get cache => "$id/data";
		903	}
		904	}
		905
		906	my $t1 = Time::HiRes::time;
		907	my $data = $process->(\@data);
		908	my $t2 = Time::HiRes::time;
		909
		910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		911
		912	db_put cache => "$id/data", $data;
		913	db_put cache => "$id/md5" , $md5;
		914	db_put cache => "$id/meta", $meta;
		915
		916	return $data;
431	1	917	}
		918
		919	db_get cache => "$id/data"
432	}	920	}
433		921
434	=item cf::datalog type => key => value, ...	922	=item cf::datalog type => key => value, ...
435		923
436	Log a datalog packet of the given type with the given key-value pairs.	924	Log a datalog packet of the given type with the given key-value pairs.
437		925
438	=cut	926	=cut
439		927
440	sub datalog($@) {	928	sub datalog($@) {
441	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	931	}
444		932
445	=back	933	=back
446		934
447	=cut	935	=cut
448		936
449	#############################################################################	937	#############################################################################
450		938
451	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
452		940
453	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
454	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
456		944
457	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
458	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	947	Deliantra).
460		948
461	=over 4	949	=over 4
462		950
463	=item $attachable->attach ($attachment, key => $value...)	951	=item $attachable->attach ($attachment, key => $value...)
464		952
…		…
508	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
509		997
510	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
512		1000
513	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
514	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
515		1003
516	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
517		1005
518	=over 4	1006	=over 4
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	1115	$registry = $CB_TYPE[$object_type] ||= [];
628		1116
629	} elsif ($type eq "subtype") {	1117	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	1118	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	1119	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1120	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		1121
634	} elsif ($type eq "package") {	1122	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	1123	my $pkg = shift @arg;
636		1124
637	while (my ($name, $id) = each %cb_id) {	1125	while (my ($name, $id) = each %cb_id) {
…		…
642		1130
643	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		1133
646	} elsif (ref $type) {	1134	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
648		1136
649	} else {	1137	} else {
650	shift @arg;	1138	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
652	}	1140	}
653	}	1141	}
654	}	1142	}
655		1143
656	sub _object_attach {	1144	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
667	}	1155	}
668		1156
669	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
670	} else {	1158	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1160	}
673		1161
674	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
675	}	1163	}
676		1164
…		…
678	if (ref $_[0]) {	1166	if (ref $_[0]) {
679	_object_attach @_;	1167	_object_attach @_;
680	} else {	1168	} else {
681	_attach shift->_attach_registry, @_;	1169	_attach shift->_attach_registry, @_;
682	}	1170	}
		1171	_recalc_want;
683	};	1172	};
684		1173
685	# all those should be optimised	1174	# all those should be optimised
686	sub cf::attachable::detach {	1175	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	1176	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	1179	delete $obj->{_attachment}{$name};
691	reattach ($obj);	1180	reattach ($obj);
692	} else {	1181	} else {
693	Carp::croak "cannot, currently, detach class attachments";	1182	Carp::croak "cannot, currently, detach class attachments";
694	}	1183	}
		1184	_recalc_want;
695	};	1185	};
696		1186
697	sub cf::attachable::attached {	1187	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	1188	my ($obj, $name) = @_;
699		1189
…		…
714	";	1204	";
715	die if $@;	1205	die if $@;
716	}	1206	}
717		1207
718	our $override;	1208	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1209	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		1210
721	sub override {	1211	sub override {
722	$override = 1;	1212	$override = 1;
723	@invoke_results = ();	1213	@INVOKE_RESULTS = (@_);
724	}	1214	}
725		1215
726	sub do_invoke {	1216	sub do_invoke {
727	my $event = shift;	1217	my $event = shift;
728	my $callbacks = shift;	1218	my $callbacks = shift;
729		1219
730	@invoke_results = ();	1220	@INVOKE_RESULTS = ();
731		1221
732	local $override;	1222	local $override;
733		1223
734	for (@$callbacks) {	1224	for (@$callbacks) {
735	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
736		1226
737	if ($@) {	1227	if ($@) {
738	warn "$@";
739	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
740	override;	1229	override;
741	}	1230	}
742		1231
743	return 1 if $override;	1232	return 1 if $override;
744	}	1233	}
745		1234
746	0	1235	0
747	}	1236	}
748		1237
749	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1238	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
750		1239
751	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1240	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
752		1241
753	Generate an object-specific event with the given arguments.	1242	Generate an object-specific event with the given arguments.
754		1243
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1244	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	1245	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	1246	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		1247
759	=back	1248	=back
760		1249
761	=cut	1250	=cut
762		1251
763	#############################################################################	1252	#############################################################################
764	# object support	1253	# object support
		1254
		1255	sub _object_equal($$);
		1256	sub _object_equal($$) {
		1257	my ($a, $b) = @_;
		1258
		1259	return 0 unless (ref $a) eq (ref $b);
		1260
		1261	if ("HASH" eq ref $a) {
		1262	my @ka = keys %$a;
		1263	my @kb = keys %$b;
		1264
		1265	return 0 if @ka != @kb;
		1266
		1267	for (0 .. $#ka) {
		1268	return 0 unless $ka[$_] eq $kb[$_];
		1269	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1270	}
		1271
		1272	} elsif ("ARRAY" eq ref $a) {
		1273
		1274	return 0 if @$a != @$b;
		1275
		1276	for (0 .. $#$a) {
		1277	return 0 unless _object_equal $a->[$_], $b->[$_];
		1278	}
		1279
		1280	} elsif ($a ne $b) {
		1281	return 0;
		1282	}
		1283
		1284	1
		1285	}
		1286
		1287	our $SLOW_MERGES;#d#
		1288	sub _can_merge {
		1289	my ($ob1, $ob2) = @_;
		1290
		1291	++$SLOW_MERGES;#d#
		1292
		1293	# we do the slow way here
		1294	return _object_equal $ob1, $ob2
		1295	}
765		1296
766	sub reattach {	1297	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	1299	my ($obj) = @_;
769		1300
		1301	# no longer needed after getting rid of delete_package?
770	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
771		1303
772	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
773		1305
774	@$registry = ();	1306	@$registry = ();
775		1307
…		…
780	for (@$attach) {	1312	for (@$attach) {
781	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
782	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
783	}	1315	}
784	} else {	1316	} else {
785	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
786	}	1318	}
787	}	1319	}
788	}	1320	}
789		1321
790	cf::attachable->attach (	1322	cf::attachable->attach (
791	prio => -1000000,	1323	prio => -1000000,
792	on_instantiate => sub {	1324	on_instantiate => sub {
793	my ($obj, $data) = @_;	1325	my ($obj, $data) = @_;
794		1326
795	$data = from_json $data;	1327	$data = decode_json $data;
796		1328
797	for (@$data) {	1329	for (@$data) {
798	my ($name, $args) = @$_;	1330	my ($name, $args) = @$_;
799		1331
800	$obj->attach ($name, %{$args || {} });	1332	$obj->attach ($name, %{$args || {} });
…		…
816	sub object_freezer_save {	1348	sub object_freezer_save {
817	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
818		1350
819	sync_job {	1351	sync_job {
820	if (length $$rdata) {	1352	if (length $$rdata) {
		1353	utf8::decode (my $decname = $filename);
821	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
822	$filename, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
823		1357
824	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
825	chmod SAVE_MODE, $fh;	1359	aio_chmod $fh, SAVE_MODE;
826	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
827	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1363	aio_fsync $fh;
		1364	}
828	close $fh;	1365	aio_close $fh;
829		1366
830	if (@$objs) {	1367	if (@$objs) {
831	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
832	chmod SAVE_MODE, $fh;	1369	aio_chmod $fh, SAVE_MODE;
833	my $data = Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
834	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
835	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1374	aio_fsync $fh;
		1375	}
836	close $fh;	1376	aio_close $fh;
837	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
838	}	1378	}
839	} else {	1379	} else {
840	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
841	}	1381	}
842		1382
843	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
844	} else {	1387	} else {
845	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
846	}	1389	}
847	} else {	1390	} else {
848	aio_unlink $filename;	1391	aio_unlink $filename;
849	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
850	}	1393	}
851	}	1394	};
852	}	1395	}
853		1396
854	sub object_freezer_as_string {	1397	sub object_freezer_as_string {
855	my ($rdata, $objs) = @_;	1398	my ($rdata, $objs) = @_;
856		1399
…		…
868	or return;	1411	or return;
869		1412
870	unless (aio_stat "$filename.pst") {	1413	unless (aio_stat "$filename.pst") {
871	(aio_load "$filename.pst", $av) >= 0	1414	(aio_load "$filename.pst", $av) >= 0
872	or return;	1415	or return;
		1416
873	$av = eval { (Storable::thaw $av)->{objs} };	1417	my $st = eval { Coro::Storable::thaw $av };
		1418	$av = $st->{objs};
874	}	1419	}
875		1420
		1421	utf8::decode (my $decname = $filename);
876	warn sprintf "loading %s (%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
877	$filename, length $data, scalar @{$av || []};#d#	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
		1425
878	return ($data, $av);	1426	($data, $av)
879	}	1427	}
		1428
		1429	=head2 COMMAND CALLBACKS
		1430
		1431	=over 4
		1432
		1433	=cut
880		1434
881	#############################################################################	1435	#############################################################################
882	# command handling &c	1436	# command handling &c
883		1437
884	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
885		1439
886	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
887	$name.	1441	$name.
888		1442
889	=cut	1443	=cut
…		…
895	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
896		1450
897	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
898	}	1452	}
899		1453
900	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
901		1455
902	Register a callbackf ro execution when the client sends an extcmd packet.	1456	Register a callback for execution when the client sends an (synchronous)
		1457	extcmd packet. Ext commands will be processed in the order they are
		1458	received by the server, like other user commands. The first argument is
		1459	the logged-in player. Ext commands can only be processed after a player
		1460	has logged in successfully.
903		1461
904	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
905	called.
906		1463
907	=cut	1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
908		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
		1469	=item cf::register_exticmd $name => \&callback($ns,@args)
		1470
		1471	Register a callback for execution when the client sends an (asynchronous)
		1472	exticmd packet. Exti commands are processed by the server as soon as they
		1473	are received, i.e. out of order w.r.t. other commands. The first argument
		1474	is a client socket. Exti commands can be received anytime, even before
		1475	log-in.
		1476
		1477	The values will be sent back to the client.
		1478
		1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
909	sub register_extcmd {	1486	sub register_extcmd($$) {
910	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
911		1488
912	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
913	}	1490	}
914		1491
		1492	sub register_async_extcmd($$) {
		1493	my ($name, $cb) = @_;
		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
		1501	$EXTICMD{$name} = $cb;
		1502	}
		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
915	cf::player->attach (	1512	cf::player->attach (
916	on_command => sub {	1513	on_unknown_command => sub {
917	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
918		1515
919	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
920	or return;	1517	or return;
921		1518
…		…
926	cf::override;	1523	cf::override;
927	},	1524	},
928	on_extcmd => sub {	1525	on_extcmd => sub {
929	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
930		1527
931	my $msg = eval { from_json $buf };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
932		1529
933	if (ref $msg) {	1530	if (ref $msg) {
		1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1532
934	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1533	if (my $cb = $EXTACMD{$type}) {
935	if (my %reply = $cb->($pl, $msg)) {	1534	$cb->(
936	$pl->ext_reply ($msg->{msgid}, %reply);	1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
		1546	@reply = $cb->($pl, @payload);
937	}	1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
938	}	1551	}
		1552
939	} else {	1553	} else {
940	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
941	}	1555	}
942		1556
943	cf::override;	1557	cf::override;
944	},	1558	},
945	);	1559	);
946		1560
		1561	# "readahead" all extensions
947	sub load_extension {	1562	sub cache_extensions {
948	my ($path) = @_;	1563	my $grp = IO::AIO::aio_group;
949		1564
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
951	my $base = $1;	1566	for (grep /\.ext$/, @{$_[0]}) {
952	my $pkg = $1;	1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955
956	warn "... loading '$path' into '$pkg'\n";
957
958	open my $fh, "<:utf8", $path
959	or die "$path: $!";
960
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	unless (eval $source) {
968	my $msg = $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
971	warn $@;
972	warn "mandatory extension failed to load, exiting.\n";
973	exit 1;
974	}	1568	}
975	die $@;
976	}	1569	};
977		1570
978	push @EXTS, $pkg;	1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
979	}	1583	}
980		1584
981	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
		1590	cf::sync_job {
		1591	my %todo;
		1592
982	for my $ext (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
983	next unless -r $ext;	1594	next unless -r $path;
984	eval {	1595
985	load_extension $ext;	1596	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1597	my $base = $1;
		1598	my $pkg = $1;
		1599	$pkg =~ s/[^[:word:]]/_/g;
		1600	$pkg = "ext::$pkg";
		1601
		1602	open my $fh, "<:utf8", $path
		1603	or die "$path: $!";
		1604
		1605	my $source = do { local $/; <$fh> };
		1606
		1607	my %ext = (
		1608	path => $path,
		1609	base => $base,
		1610	pkg => $pkg,
		1611	);
		1612
		1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1615
		1616	$ext{source} =
		1617	"package $pkg; use common::sense;\n"
		1618	. "#line 1 \"$path\"\n{\n"
		1619	. $source
		1620	. "\n};\n1";
		1621
		1622	$todo{$base} = \%ext;
		1623	}
		1624
		1625	my $pass = 0;
		1626	my %done;
		1627	while (%todo) {
		1628	my $progress;
		1629
		1630	++$pass;
		1631
		1632	ext:
		1633	while (my ($k, $v) = each %todo) {
		1634	for (split /,\s*/, $v->{meta}{depends}) {
		1635	next ext
		1636	unless exists $done{$_};
		1637	}
		1638
		1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1640
		1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
		1653	error "$v->{path}: $@\n";
		1654
		1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1656	if exists $v->{meta}{mandatory};
		1657
		1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1659	delete $todo{$k};
		1660	} else {
		1661	$done{$k} = delete $todo{$k};
		1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
		1667	}
986	1	1668	}
987	} or warn "$ext not loaded: $@";	1669
		1670	unless ($progress) {
		1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
		1680	}
988	}	1681	};
989	}	1682	}
990		1683
991	#############################################################################	1684	#############################################################################
992		1685
		1686	=back
		1687
993	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
994		1689
995	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
996		1691
997	=cut	1692	=cut
998		1693
999	package cf::player;	1694	package cf::player;
1000		1695
1001	use Coro::AIO;	1696	use Coro::AIO;
1002		1697
1003	=head3 cf::player	1698	=head3 cf::player
1004		1699
1005	=over 4	1700	=over 4
		1701
		1702	=item cf::player::num_playing
		1703
		1704	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1705
		1706	=cut
		1707
		1708	sub num_playing {
		1709	scalar grep
		1710	$_->ob->map
		1711	&& !$_->hidden
		1712	&& !$_->ob->flag (cf::FLAG_WIZ),
		1713	cf::player::list
		1714	}
1006		1715
1007	=item cf::player::find $login	1716	=item cf::player::find $login
1008		1717
1009	Returns the given player object, loading it if necessary (might block).	1718	Returns the given player object, loading it if necessary (might block).
1010		1719
…		…
1029		1738
1030	sub exists($) {	1739	sub exists($) {
1031	my ($login) = @_;	1740	my ($login) = @_;
1032		1741
1033	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1034	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1035	}	1744	}
1036		1745
1037	sub find($) {	1746	sub find($) {
1038	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1039	my $login = $_[0];	1748	my $login = $_[0];
…		…
1046	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1755	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1047	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1756	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1048	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1757	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1049	aio_unlink +(playerdir $login) . "/$login.pl";	1758	aio_unlink +(playerdir $login) . "/$login.pl";
1050		1759
1051	my $pl = load_pl path $login	1760	my $f = new_from_file cf::object::thawer path $login
1052	or return;	1761	or return;
		1762
		1763	my $pl = cf::player::load_pl $f
		1764	or return;
		1765
		1766	local $cf::PLAYER_LOADING{$login} = $pl;
		1767	$f->resolve_delayed_derefs;
1053	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1054	}	1769	}
1055	}	1770	}
1056	}	1771	}
		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
1057		1785
1058	sub save($) {	1786	sub save($) {
1059	my ($pl) = @_;	1787	my ($pl) = @_;
1060		1788
1061	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
…		…
1066	return if $pl->{deny_save};	1794	return if $pl->{deny_save};
1067		1795
1068	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1069	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1070		1798
		1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1803
1071	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1072	Coro::cede;	1805	cf::cede_to_tick;
1073	}	1806	}
1074		1807
1075	sub new($) {	1808	sub new($) {
1076	my ($login) = @_;	1809	my ($login) = @_;
1077		1810
…		…
1083	$cf::PLAYER{$login} = $self;	1816	$cf::PLAYER{$login} = $self;
1084		1817
1085	$self	1818	$self
1086	}	1819	}
1087		1820
		1821	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1822
		1823	=cut
		1824
		1825	sub send_msg {
		1826	my $ns = shift->ns
		1827	or return;
		1828	$ns->send_msg (@_);
		1829	}
		1830
1088	=item $pl->quit_character	1831	=item $pl->quit_character
1089		1832
1090	Nukes the player without looking back. If logged in, the connection will	1833	Nukes the player without looking back. If logged in, the connection will
1091	be destroyed. May block for a long time.	1834	be destroyed. May block for a long time.
1092		1835
…		…
1096	my ($pl) = @_;	1839	my ($pl) = @_;
1097		1840
1098	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1099		1842
1100	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1101	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1102		1845
1103	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1104	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1105	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1106	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1107		1854
1108	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1109	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1110	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1145	or return [];	1892	or return [];
1146		1893
1147	my @logins;	1894	my @logins;
1148		1895
1149	for my $login (@$dirs) {	1896	for my $login (@$dirs) {
		1897	my $path = path $login;
		1898
		1899	# a .pst is a dead give-away for a valid player
		1900	# if no pst file found, open and chekc for blocked users
		1901	if (aio_stat "$path.pst") {
1150	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1902	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1151	aio_read $fh, 0, 512, my $buf, 0 or next;	1903	aio_read $fh, 0, 512, my $buf, 0 or next;
1152	$buf !~ /^password -------------$/m or next; # official not-valid tag	1904	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1905	}
1153		1906
1154	utf8::decode $login;	1907	utf8::decode $login;
1155	push @logins, $login;	1908	push @logins, $login;
1156	}	1909	}
1157		1910
1158	\@logins	1911	\@logins
1159	}	1912	}
1160		1913
1161	=item $player->maps	1914	=item $player->maps
		1915
		1916	=item cf::player::maps $login
1162		1917
1163	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1164	player. May block.	1919	player. May block.
1165		1920
1166	=cut	1921	=cut
…		…
1184	}	1939	}
1185		1940
1186	\@paths	1941	\@paths
1187	}	1942	}
1188		1943
1189	=item $player->ext_reply ($msgid, %msg)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1190		1945
1191	Sends an ext reply to the player.	1946	Expand deliantra pod fragments into protocol xml.
1192		1947
1193	=cut
1194
1195	sub ext_reply($$%) {
1196	my ($self, $id, %msg) = @_;
1197
1198	$msg{msgid} = $id;
1199
1200	$self->send ("ext " . cf::to_json \%msg);
1201	}
1202
1203	=item $player->ext_event ($type, %msg)	1948	=item $player->ext_msg ($type, @msg)
1204		1949
1205	Sends an ext event to the client.	1950	Sends an ext event to the client.
1206		1951
1207	=cut	1952	=cut
1208		1953
1209	sub ext_event($$%) {	1954	sub ext_msg($$@) {
1210	my ($self, $type, %msg) = @_;	1955	my ($self, $type, @msg) = @_;
1211		1956
1212	$self->ns->ext_event ($type, %msg);	1957	$self->ns->ext_msg ($type, @msg);
1213	}	1958	}
1214		1959
1215	=head3 cf::region	1960	=head3 cf::region
1216		1961
1217	=over 4	1962	=over 4
…		…
1220		1965
1221	package cf::region;	1966	package cf::region;
1222		1967
1223	=item cf::region::find_by_path $path	1968	=item cf::region::find_by_path $path
1224		1969
1225	Tries to decuce the probable region for a map knowing only its path.	1970	Tries to decuce the likely region for a map knowing only its path.
1226		1971
1227	=cut	1972	=cut
1228		1973
1229	sub find_by_path($) {	1974	sub find_by_path($) {
1230	my ($path) = @_;	1975	my ($path) = @_;
1231		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
		1978
1232	my ($match, $specificity);	1979	my ($match, $specificity);
1233		1980
1234	for my $region (list) {	1981	for my $region (list) {
1235	if ($region->match && $path =~ $region->match) {	1982	if ($region->{match} && $path =~ $region->{match}) {
1236	($match, $specificity) = ($region, $region->specificity)	1983	($match, $specificity) = ($region, $region->specificity)
1237	if $region->specificity > $specificity;	1984	if $region->specificity > $specificity;
1238	}	1985	}
1239	}	1986	}
1240		1987
…		…
1261	our $MAX_RESET = 3600;	2008	our $MAX_RESET = 3600;
1262	our $DEFAULT_RESET = 3000;	2009	our $DEFAULT_RESET = 3000;
1263		2010
1264	sub generate_random_map {	2011	sub generate_random_map {
1265	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1266	# mit "rum" bekleckern, nicht	2013
		2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2015
1267	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1268	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1269	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1270	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1271	$rmp->{exit_on_final_map},
1272	$rmp->{xsize}, $rmp->{ysize},
1273	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1274	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1275	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1276	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1277	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1278	(cf::region::find $rmp->{region}), $rmp->{custom}
1279	)
1280	}	2017	}
1281		2018
1282	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1283		2020
1284	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1289		2026
1290	sub register {	2027	sub register {
1291	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1292	my $pkg = caller;	2029	my $pkg = caller;
1293		2030
1294	no strict;
1295	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1296		2032
1297	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1298	}	2034	}
1299		2035
1300	# also paths starting with '/'	2036	# also paths starting with '/'
1301	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1302		2038
1303	sub thawer_merge {	2039	sub thawer_merge {
1304	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1305		2041
1306	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
1307	local $self->{path};	2043	local $self->{path};
1308	local $self->{load_path};	2044	local $self->{load_path};
1309	local $self->{deny_save};
1310	local $self->{deny_reset};
1311		2045
1312	$self->SUPER::thawer_merge ($merge);	2046	$self->SUPER::thawer_merge ($merge);
1313	}	2047	}
1314		2048
1315	sub normalise {	2049	sub normalise {
1316	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1317		2051
1318	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1319		2053
1320	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1321		2055
1322	# map plan:	2056	# map plan:
1323	#	2057	#
…		…
1338	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1339	$path = "$base/$path";	2073	$path = "$base/$path";
1340	}	2074	}
1341		2075
1342	for ($path) {	2076	for ($path) {
1343	redo if s{//}{/};
1344	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1345	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1346	}	2079	}
1347		2080
1348	$path	2081	$path
…		…
1362	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1363	return $self;	2096	return $self;
1364	}	2097	}
1365	}	2098	}
1366		2099
1367	Carp::carp "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1368	()	2101	()
1369	}	2102	}
1370		2103
		2104	# may re-bless or do other evil things
1371	sub init {	2105	sub init {
1372	my ($self) = @_;	2106	my ($self) = @_;
1373		2107
1374	$self	2108	$self
1375	}	2109	}
…		…
1394		2128
1395	# the temporary/swap location	2129	# the temporary/swap location
1396	sub save_path {	2130	sub save_path {
1397	my ($self) = @_;	2131	my ($self) = @_;
1398		2132
1399	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2133	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1400	"$TMPDIR/$path.map"	2134	"$TMPDIR/$path.map"
1401	}	2135	}
1402		2136
1403	# the unique path, undef == no special unique path	2137	# the unique path, undef == no special unique path
1404	sub uniq_path {	2138	sub uniq_path {
1405	my ($self) = @_;	2139	my ($self) = @_;
1406		2140
1407	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1408	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1409	}	2143	}
1410		2144
1411	# and all this just because we cannot iterate over	2145	sub decay_objects {
1412	# all maps in C++...
1413	sub change_all_map_light {
1414	my ($change) = @_;	2146	my ($self) = @_;
1415		2147
1416	$_->change_map_light ($change)	2148	return if $self->{deny_reset};
1417	for grep $_->outdoor, values %cf::MAP;	2149
		2150	$self->do_decay_objects;
1418	}	2151	}
1419		2152
1420	sub unlink_save {	2153	sub unlink_save {
1421	my ($self) = @_;	2154	my ($self) = @_;
1422		2155
…		…
1427		2160
1428	sub load_header_from($) {	2161	sub load_header_from($) {
1429	my ($self, $path) = @_;	2162	my ($self, $path) = @_;
1430		2163
1431	utf8::encode $path;	2164	utf8::encode $path;
1432	#aio_open $path, O_RDONLY, 0	2165	my $f = new_from_file cf::object::thawer $path
1433	# or return;
1434
1435	$self->_load_header ($path)
1436	or return;	2166	or return;
1437		2167
		2168	$self->_load_header ($f)
		2169	or return;
		2170
		2171	local $MAP_LOADING{$self->{path}} = $self;
		2172	$f->resolve_delayed_derefs;
		2173
1438	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1439		2175
1440	1	2176	1
1441	}	2177	}
1442		2178
		2179	# used to laod the header of an original map
1443	sub load_header_orig {	2180	sub load_header_orig {
1444	my ($self) = @_;	2181	my ($self) = @_;
1445		2182
1446	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1447	}	2184	}
1448		2185
		2186	# used to laod the header of an instantiated map
1449	sub load_header_temp {	2187	sub load_header_temp {
1450	my ($self) = @_;	2188	my ($self) = @_;
1451		2189
1452	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1453	}	2191	}
1454		2192
		2193	# called after loading the header from an instantiated map
1455	sub prepare_temp {	2194	sub prepare_temp {
1456	my ($self) = @_;	2195	my ($self) = @_;
1457		2196
1458	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1459	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1460	# safety	2199	# safety
1461	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1462	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1463	}	2202	}
1464		2203
		2204	# called after loading the header from an original map
1465	sub prepare_orig {	2205	sub prepare_orig {
1466	my ($self) = @_;	2206	my ($self) = @_;
1467		2207
1468	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
1469	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1480	$self->load_header_orig	2220	$self->load_header_orig
1481	or return;	2221	or return;
1482	$self->prepare_orig;	2222	$self->prepare_orig;
1483	}	2223	}
1484		2224
		2225	$self->{deny_reset} = 1
		2226	if $self->no_reset;
		2227
1485	$self->default_region (cf::region::find_by_path $self->{path})	2228	$self->default_region (cf::region::find_by_path $self->{path})
1486	unless $self->default_region;	2229	unless $self->default_region;
1487		2230
1488	1	2231	1
1489	}	2232	}
1490		2233
1491	sub find;	2234	sub find;
1492	sub find {	2235	sub find {
1493	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
1494		2237
		2238	cf::cede_to_tick;
		2239
1495	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
1496		2241
		2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1497	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
1498		2244
1499	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
1500	my $guard = cf::lock_acquire "map_find:$path";
1501	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
1502	or return;	2247	or return;
1503		2248
1504	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
1505		2250
1506	$map->load_header	2251	$map->load_header
1507	or return;	2252	or return;
1508		2253
1509	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2254	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1510	# doing this can freeze the server in a sync job, obviously	2255	# doing this can freeze the server in a sync job, obviously
1511	#$cf::WAIT_FOR_TICK->wait;	2256	#$cf::WAIT_FOR_TICK->wait;
		2257	undef $guard2;
		2258	undef $guard1;
1512	$map->reset;	2259	$map->reset;
1513	undef $guard;
1514	return find $path;	2260	return find $path;
1515	}	2261	}
1516		2262
1517	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
1518	}	2264	}
1519	}	2265	}
1520		2266
1521	sub pre_load { }	2267	sub pre_load { }
1522	sub post_load { }	2268	#sub post_load { } # XS
1523		2269
1524	sub load {	2270	sub load {
1525	my ($self) = @_;	2271	my ($self) = @_;
1526		2272
1527	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
1528		2274
1529	my $path = $self->{path};	2275	my $path = $self->{path};
1530		2276
1531	{	2277	{
1532	my $guard = cf::lock_acquire "map_load:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
1533		2279
		2280	return unless $self->valid;
1534	return if $self->in_memory != cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
1535
1536	$self->in_memory (cf::MAP_LOADING);
1537		2282
1538	$self->alloc;	2283	$self->alloc;
1539		2284
1540	$self->pre_load;	2285	$self->pre_load;
1541	Coro::cede;	2286	cf::cede_to_tick;
1542		2287
1543	$self->_load_objects ($self->{load_path}, 1)	2288	if (exists $self->{load_path}) {
		2289	my $f = new_from_file cf::object::thawer $self->{load_path};
		2290	$f->skip_block;
		2291	$self->_load_objects ($f)
1544	or return;	2292	or return;
1545		2293
1546	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
1547	if delete $self->{load_original};	2295	if delete $self->{load_original};
1548		2296
1549	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
1550	utf8::encode $uniq;	2298	utf8::encode $uniq;
1551	if (aio_open $uniq, O_RDONLY, 0) {	2299	unless (aio_stat $uniq) {
		2300	if (my $f = new_from_file cf::object::thawer $uniq) {
1552	$self->clear_unique_items;	2301	$self->clear_unique_items;
1553	$self->_load_objects ($uniq, 0);	2302	$self->_load_objects ($f);
		2303	$f->resolve_delayed_derefs;
		2304	}
		2305	}
1554	}	2306	}
1555	}
1556		2307
1557	Coro::cede;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
		2315
		2316	cf::cede_to_tick;
1558	# now do the right thing for maps	2317	# now do the right thing for maps
1559	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
1560	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
1561	unless $self->difficulty;	2320	unless $self->difficulty;
1562	Coro::cede;	2321	cf::cede_to_tick;
1563		2322
1564	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
1565	$self->decay_objects;	2324	$self->decay_objects;
1566	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
1567	$self->update_buttons;	2326	$self->update_buttons;
1568	Coro::cede;	2327	cf::cede_to_tick;
1569	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
1570	Coro::cede;
1571	$self->activate;
1572	}	2329	}
1573		2330
1574	$self->in_memory (cf::MAP_IN_MEMORY);	2331	$self->{last_save} = $cf::RUNTIME;
		2332	$self->last_access ($cf::RUNTIME);
1575	}	2333	}
1576		2334
1577	$self->post_load;	2335	$self->post_load;
1578	}
1579		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
1580	sub customise_for {	2343	sub customise_for {
1581	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
1582		2345
1583	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
1584	if $self->per_player;	2347	if $self->per_player;
1585		2348
		2349	# return find "?party/" . $ob->name . "/" . $self->{path}
		2350	# if $self->per_party;
		2351
1586	$self	2352	$self
1587	}
1588
1589	# find and load all maps in the 3x3 area around a map
1590	sub load_diag {
1591	my ($map) = @_;
1592
1593	my @diag; # diagonal neighbours
1594
1595	for (0 .. 3) {
1596	my $neigh = $map->tile_path ($_)
1597	or next;
1598	$neigh = find $neigh, $map
1599	or next;
1600	$neigh->load;
1601
1602	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1603	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1604	}
1605
1606	for (@diag) {
1607	my $neigh = find @$_
1608	or next;
1609	$neigh->load;
1610	}
1611	}	2353	}
1612		2354
1613	sub find_sync {	2355	sub find_sync {
1614	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
1615		2357
1616	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
1617	}	2363	}
1618		2364
1619	sub do_load_sync {	2365	sub do_load_sync {
1620	my ($map) = @_;	2366	my ($map) = @_;
1621		2367
1622	cf::sync_job { $map->load };	2368	# it's a bug to call this from the main context
		2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2370	if $Coro::current == $Coro::main;
		2371
		2372	$map->load;
1623	}	2373	}
1624		2374
1625	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
1626	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
1627		2377
1628	sub find_async {	2378	sub find_async {
1629	my ($path, $origin) = @_;	2379	my ($path, $origin, $load) = @_;
1630		2380
1631	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
1632		2382
1633	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
1634	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2384	return $map if !$load || $map->linkable;
1635	}	2385	}
1636		2386
1637	undef $MAP_PREFETCH{$path};	2387	$MAP_PREFETCH{$path} |= $load;
		2388
1638	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
		2390	$Coro::current->{desc} = "map prefetcher";
		2391
1639	while (%MAP_PREFETCH) {	2392	while (%MAP_PREFETCH) {
1640	for my $path (keys %MAP_PREFETCH) {	2393	while (my ($k, $v) = each %MAP_PREFETCH) {
1641	my $map = find $path	2394	if (my $map = find $k) {
1642	or next;
1643	$map->load;	2395	$map->load if $v;
		2396	}
1644		2397
1645	delete $MAP_PREFETCH{$path};	2398	delete $MAP_PREFETCH{$k};
1646	}	2399	}
1647	}	2400	}
1648	undef $MAP_PREFETCHER;	2401	undef $MAP_PREFETCHER;
1649	};	2402	};
1650	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
1651		2404
1652	()	2405	()
1653	}	2406	}
1654		2407
		2408	# common code, used by both ->save and ->swapout
1655	sub save {	2409	sub _save {
1656	my ($self) = @_;	2410	my ($self) = @_;
1657
1658	my $lock = cf::lock_acquire "map_data:" . $self->path;
1659		2411
1660	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
1661		2413
1662	return unless $self->dirty;	2414	return unless $self->dirty;
1663		2415
…		…
1669	return if $self->{deny_save};	2421	return if $self->{deny_save};
1670		2422
1671	local $self->{last_access} = $self->last_access;#d#	2423	local $self->{last_access} = $self->last_access;#d#
1672		2424
1673	cf::async {	2425	cf::async {
		2426	$Coro::current->{desc} = "map player save";
1674	$_->contr->save for $self->players;	2427	$_->contr->save for $self->players;
1675	};	2428	};
		2429
		2430	cf::get_slot 0.02;
1676		2431
1677	if ($uniq) {	2432	if ($uniq) {
1678	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2433	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1679	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2434	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1680	} else {	2435	} else {
1681	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1682	}	2437	}
1683	}	2438	}
1684		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
1685	sub swap_out {	2448	sub swap_out {
1686	my ($self) = @_;	2449	my ($self) = @_;
1687		2450
1688	# save first because save cedes
1689	$self->save;
1690
1691	my $lock = cf::lock_acquire "map_data:" . $self->path;	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
1692		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
1693	return if $self->players;	2455	return if $self->players;
1694	return if $self->in_memory != cf::MAP_IN_MEMORY;
1695	return if $self->{deny_save};
1696		2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
1697	$self->clear;	2466	$self->clear;
1698	$self->in_memory (cf::MAP_SWAPPED);
1699	}	2467	}
1700		2468
1701	sub reset_at {	2469	sub reset_at {
1702	my ($self) = @_;	2470	my ($self) = @_;
1703		2471
1704	# TODO: safety, remove and allow resettable per-player maps	2472	# TODO: safety, remove and allow resettable per-player maps
1705	return 1e99 if $self->isa ("ext::map_per_player");#d#
1706	return 1e99 if $self->{deny_reset};	2473	return 1e99 if $self->{deny_reset};
1707		2474
1708	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1709	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1710		2477
…		…
1721	my ($self) = @_;	2488	my ($self) = @_;
1722		2489
1723	my $lock = cf::lock_acquire "map_data:$self->{path}";	2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
1724		2491
1725	return if $self->players;	2492	return if $self->players;
1726	return if $self->isa ("ext::map_per_player");#d#
1727		2493
1728	warn "resetting map ", $self->path;#d#	2494	cf::trace "resetting map ", $self->path, "\n";
1729		2495
1730	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
1731		2497
1732	# need to save uniques path	2498	# need to save uniques path
1733	unless ($self->{deny_save}) {	2499	unless ($self->{deny_save}) {
1734	my $uniq = $self->uniq_path; utf8::encode $uniq;	2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
1735		2501
…		…
1737	if $uniq;	2503	if $uniq;
1738	}	2504	}
1739		2505
1740	delete $cf::MAP{$self->path};	2506	delete $cf::MAP{$self->path};
1741		2507
		2508	$self->deactivate;
		2509	$_->clear_links_to ($self) for values %cf::MAP;
1742	$self->clear;	2510	$self->clear;
1743
1744	$_->clear_links_to ($self) for values %cf::MAP;
1745		2511
1746	$self->unlink_save;	2512	$self->unlink_save;
1747	$self->destroy;	2513	$self->destroy;
1748	}	2514	}
1749		2515
1750	my $nuke_counter = "aaaa";	2516	my $nuke_counter = "aaaa";
1751		2517
1752	sub nuke {	2518	sub nuke {
1753	my ($self) = @_;	2519	my ($self) = @_;
1754		2520
		2521	{
		2522	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2523
1755	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
1756		2525
1757	$self->unlink_save;	2526	$self->unlink_save;
1758		2527
1759	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
1760	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
1761	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
1762	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
1763	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1764		2533
1765	$cf::MAP{$self->path} = $self;	2534	$cf::MAP{$self->path} = $self;
		2535	}
1766		2536
1767	$self->reset; # polite request, might not happen	2537	$self->reset; # polite request, might not happen
		2538	}
		2539
		2540	=item $maps = cf::map::tmp_maps
		2541
		2542	Returns an arrayref with all map paths of currently instantiated and saved
		2543	maps. May block.
		2544
		2545	=cut
		2546
		2547	sub tmp_maps() {
		2548	[
		2549	map {
		2550	utf8::decode $_;
		2551	/\.map$/
		2552	? normalise $_
		2553	: ()
		2554	} @{ aio_readdir $TMPDIR or [] }
		2555	]
		2556	}
		2557
		2558	=item $maps = cf::map::random_maps
		2559
		2560	Returns an arrayref with all map paths of currently instantiated and saved
		2561	random maps. May block.
		2562
		2563	=cut
		2564
		2565	sub random_maps() {
		2566	[
		2567	map {
		2568	utf8::decode $_;
		2569	/\.map$/
		2570	? normalise "?random/$_"
		2571	: ()
		2572	} @{ aio_readdir $RANDOMDIR or [] }
		2573	]
1768	}	2574	}
1769		2575
1770	=item cf::map::unique_maps	2576	=item cf::map::unique_maps
1771		2577
1772	Returns an arrayref of paths of all shared maps that have	2578	Returns an arrayref of paths of all shared maps that have
1773	instantiated unique items. May block.	2579	instantiated unique items. May block.
1774		2580
1775	=cut	2581	=cut
1776		2582
1777	sub unique_maps() {	2583	sub unique_maps() {
1778	my $files = aio_readdir $UNIQUEDIR	2584	[
1779	or return;	2585	map {
1780
1781	my @paths;
1782
1783	for (@$files) {
1784	utf8::decode $_;	2586	utf8::decode $_;
1785	next if /\.pst$/;	2587	s/\.map$//; # TODO future compatibility hack
1786	next unless /^$PATH_SEP/o;	2588	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1787		2589	? ()
1788	push @paths, cf::map::normalise $_;	2590	: normalise $_
		2591	} @{ aio_readdir $UNIQUEDIR or [] }
1789	}	2592	]
1790
1791	\@paths
1792	}	2593	}
1793		2594
1794	package cf;	2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
1795		2626
1796	=back	2627	=back
1797		2628
1798	=head3 cf::object	2629	=head3 cf::object
1799		2630
…		…
1803		2634
1804	=over 4	2635	=over 4
1805		2636
1806	=item $ob->inv_recursive	2637	=item $ob->inv_recursive
1807		2638
1808	Returns the inventory of the object _and_ their inventories, recursively.	2639	Returns the inventory of the object I<and> their inventories, recursively,
		2640	but I<not> the object itself.
1809		2641
1810	=cut	2642	=cut
1811		2643
1812	sub inv_recursive_;	2644	sub inv_recursive_;
1813	sub inv_recursive_ {	2645	sub inv_recursive_ {
…		…
1816		2648
1817	sub inv_recursive {	2649	sub inv_recursive {
1818	inv_recursive_ inv $_[0]	2650	inv_recursive_ inv $_[0]
1819	}	2651	}
1820		2652
		2653	=item $ref = $ob->ref
		2654
		2655	Creates and returns a persistent reference to an object that can be stored as a string.
		2656
		2657	=item $ob = cf::object::deref ($refstring)
		2658
		2659	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2660	even if the object actually exists. May block.
		2661
		2662	=cut
		2663
		2664	sub deref {
		2665	my ($ref) = @_;
		2666
		2667	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2668	my ($uuid, $name) = ($1, $2);
		2669	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2670	or return;
		2671	$pl->ob->uuid eq $uuid
		2672	or return;
		2673
		2674	$pl->ob
		2675	} else {
		2676	warn "$ref: cannot resolve object reference\n";
		2677	undef
		2678	}
		2679	}
		2680
1821	package cf;	2681	package cf;
1822		2682
1823	=back	2683	=back
1824		2684
1825	=head3 cf::object::player	2685	=head3 cf::object::player
…		…
1831	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2691	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1832	can be C<undef>. Does the right thing when the player is currently in a	2692	can be C<undef>. Does the right thing when the player is currently in a
1833	dialogue with the given NPC character.	2693	dialogue with the given NPC character.
1834		2694
1835	=cut	2695	=cut
		2696
		2697	our $SAY_CHANNEL = {
		2698	id => "say",
		2699	title => "Map",
		2700	reply => "say ",
		2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2702	};
		2703
		2704	our $CHAT_CHANNEL = {
		2705	id => "chat",
		2706	title => "Chat",
		2707	reply => "chat ",
		2708	tooltip => "Player chat and shouts, global to the server.",
		2709	};
1836		2710
1837	# rough implementation of a future "reply" method that works	2711	# rough implementation of a future "reply" method that works
1838	# with dialog boxes.	2712	# with dialog boxes.
1839	#TODO: the first argument must go, split into a $npc->reply_to ( method	2713	#TODO: the first argument must go, split into a $npc->reply_to ( method
1840	sub cf::object::player::reply($$$;$) {	2714	sub cf::object::player::reply($$$;$) {
…		…
1842		2716
1843	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2717	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1844		2718
1845	if ($self->{record_replies}) {	2719	if ($self->{record_replies}) {
1846	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2720	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2721
1847	} else {	2722	} else {
		2723	my $pl = $self->contr;
		2724
		2725	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2726	my $dialog = $pl->{npc_dialog};
		2727	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2728
		2729	} else {
1848	$msg = $npc->name . " says: $msg" if $npc;	2730	$msg = $npc->name . " says: $msg" if $npc;
1849	$self->message ($msg, $flags);	2731	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2732	}
1850	}	2733	}
		2734	}
		2735
		2736	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2737
		2738	=cut
		2739
		2740	sub cf::object::send_msg {
		2741	my $pl = shift->contr
		2742	or return;
		2743	$pl->send_msg (@_);
1851	}	2744	}
1852		2745
1853	=item $player_object->may ("access")	2746	=item $player_object->may ("access")
1854		2747
1855	Returns wether the given player is authorized to access resource "access"	2748	Returns wether the given player is authorized to access resource "access"
…		…
1868		2761
1869	=item $player_object->enter_link	2762	=item $player_object->enter_link
1870		2763
1871	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
1872		2765
1873	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
1874	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
1875		2770
1876	Will never block.	2771	Will never block.
1877		2772
1878	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
1879		2774
…		…
1899	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
1900	my ($self) = @_;	2795	my ($self) = @_;
1901		2796
1902	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
1903		2798
		2799	++$self->{_link_recursion};
		2800
1904	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
1905		2802
1906	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1907	if $self->map;	2804	if $self->map && $self->map->{path} ne "{link}";
1908		2805
1909	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1910	}	2807	}
1911		2808
1912	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
1913	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
		2811
		2812	return unless $self->contr->active;
1914		2813
1915	my $link_pos = delete $self->{_link_pos};	2814	my $link_pos = delete $self->{_link_pos};
1916		2815
1917	unless ($map) {	2816	unless ($map) {
1918	# restore original map position	2817	# restore original map position
…		…
1929	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
1930	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
1931		2830
1932	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
1933	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
1934	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
1935		2834
1936	$map->load;	2835	$map->load;
1937	$map->load_diag;
1938		2836
1939	return unless $self->contr->active;	2837	return unless $self->contr->active;
1940	$self->activate_recursive;
1941		2838
1942	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1943	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
1944	}	2841	# entering was successful
1945		2842	delete $self->{_link_recursion};
1946	cf::player->attach (	2843	# only activate afterwards, to support waiting in hooks
1947	on_logout => sub {	2844	$self->activate_recursive;
1948	my ($pl) = @_;
1949
1950	# abort map switching before logout
1951	if ($pl->ob->{_link_pos}) {
1952	cf::sync_job {
1953	$pl->ob->leave_link
1954	};
1955	}
1956	},	2845	}
1957	on_login => sub {
1958	my ($pl) = @_;
1959		2846
1960	# try to abort aborted map switching on player login :)	2847	}
1961	# should happen only on crashes
1962	if ($pl->ob->{_link_pos}) {
1963	$pl->ob->enter_link;
1964	(async {
1965	$pl->ob->reply (undef,
1966	"There was an internal problem at your last logout, "
1967	. "the server will try to bring you to your intended destination in a second.",
1968	cf::NDI_RED);
1969	# we need this sleep as the login has a concurrent enter_exit running
1970	# and this sleep increases chances of the player not ending up in scorn
1971	Coro::Timer::sleep 1;
1972	$pl->ob->leave_link;
1973	})->prio (2);
1974	}
1975	},
1976	);
1977		2848
1978	=item $player_object->goto ($path, $x, $y)	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1979		2850
		2851	Moves the player to the given map-path and coordinates by first freezing
		2852	her, loading and preparing them map, calling the provided $check callback
		2853	that has to return the map if sucecssful, and then unfreezes the player on
		2854	the new (success) or old (failed) map position. In either case, $done will
		2855	be called at the end of this process.
		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
		2859
1980	=cut	2860	=cut
		2861
		2862	our $GOTOGEN;
1981		2863
1982	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
1983	my ($self, $path, $x, $y) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
		2872
		2873	# do generation counting so two concurrent goto's will be executed in-order
		2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1984		2875
1985	$self->enter_link;	2876	$self->enter_link;
1986		2877
1987	(async {	2878	(async {
		2879	$Coro::current->{desc} = "player::goto $path $x $y";
		2880
		2881	# *tag paths override both path and x|y
		2882	if ($path =~ /^\*(.*)$/) {
		2883	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2884	my $ob = $obs[rand @obs];
		2885
		2886	# see if we actually can go there
		2887	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2888	$ob = $obs[rand @obs];
		2889	} else {
		2890	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2891	}
		2892	# else put us there anyways for now #d#
		2893
		2894	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2895	} else {
		2896	($path, $x, $y) = (undef, undef, undef);
		2897	}
		2898	}
		2899
1988	my $map = eval {	2900	my $map = eval {
1989	my $map = cf::map::find $path;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
		2902
		2903	if ($map) {
1990	$map = $map->customise_for ($self) if $map;	2904	$map = $map->customise_for ($self);
		2905	$map = $check->($map, $x, $y, $self) if $check && $map;
		2906	} else {
		2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2908	}
		2909
1991	$map	2910	$map
		2911	};
		2912
		2913	if ($@) {
		2914	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2915	LOG llevError | logBacktrace, Carp::longmess $@;
1992	} or	2916	}
1993	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1994		2917
		2918	if ($gen == $self->{_goto_generation}) {
		2919	delete $self->{_goto_generation};
1995	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
		2921	}
		2922
		2923	$done->($self) if $done;
1996	})->prio (1);	2924	})->prio (1);
1997	}	2925	}
1998		2926
1999	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2000		2928
…		…
2020	}	2948	}
2021		2949
2022	sub prepare_random_map {	2950	sub prepare_random_map {
2023	my ($exit) = @_;	2951	my ($exit) = @_;
2024		2952
2025	my $guard = cf::lock_acquire "exit_prepare:$exit";
2026
2027	# all this does is basically replace the /! path by	2953	# all this does is basically replace the /! path by
2028	# a new random map path (?random/...) with a seed	2954	# a new random map path (?random/...) with a seed
2029	# that depends on the exit object	2955	# that depends on the exit object
2030		2956
2031	my $rmp = parse_random_map_params $exit->msg;	2957	my $rmp = parse_random_map_params $exit->msg;
…		…
2033	if ($exit->map) {	2959	if ($exit->map) {
2034	$rmp->{region} = $exit->region->name;	2960	$rmp->{region} = $exit->region->name;
2035	$rmp->{origin_map} = $exit->map->path;	2961	$rmp->{origin_map} = $exit->map->path;
2036	$rmp->{origin_x} = $exit->x;	2962	$rmp->{origin_x} = $exit->x;
2037	$rmp->{origin_y} = $exit->y;	2963	$rmp->{origin_y} = $exit->y;
		2964
		2965	$exit->map->touch;
2038	}	2966	}
2039		2967
2040	$rmp->{random_seed} ||= $exit->random_seed;	2968	$rmp->{random_seed} ||= $exit->random_seed;
2041		2969
2042	my $data = cf::to_json $rmp;	2970	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2043	my $md5 = Digest::MD5::md5_hex $data;	2971	my $md5 = Digest::MD5::md5_hex $data;
2044	my $meta = "$RANDOMDIR/$md5.meta";	2972	my $meta = "$RANDOMDIR/$md5.meta";
2045		2973
2046	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2974	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2047	aio_write $fh, 0, (length $data), $data, 0;	2975	aio_write $fh, 0, (length $data), $data, 0;
2048	undef $fh;	2976	undef $fh;
2049	aio_rename "$meta~", $meta;	2977	aio_rename "$meta~", $meta;
2050		2978
		2979	my $slaying = "?random/$md5";
		2980
		2981	if ($exit->valid) {
2051	$exit->slaying ("?random/$md5");	2982	$exit->slaying ("?random/$md5");
2052	$exit->msg (undef);	2983	$exit->msg (undef);
		2984	}
2053	}	2985	}
2054	}	2986	}
2055		2987
2056	sub cf::object::player::enter_exit {	2988	sub cf::object::player::enter_exit {
2057	my ($self, $exit) = @_;	2989	my ($self, $exit) = @_;
2058		2990
2059	return unless $self->type == cf::PLAYER;	2991	return unless $self->type == cf::PLAYER;
2060		2992
2061	if ($exit->slaying eq "/!") {
2062	#TODO: this should de-fi-ni-te-ly not be a sync-job
2063	# the problem is that $exit might not survive long enough
2064	# so it needs to be done right now, right here
2065	cf::sync_job { prepare_random_map $exit };
2066	}
2067
2068	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2069	my $hp = $exit->stats->hp;
2070	my $sp = $exit->stats->sp;
2071
2072	$self->enter_link;	2993	$self->enter_link;
2073		2994
2074	(async {	2995	(async {
2075	$self->deactivate_recursive; # just to be sure	2996	$Coro::current->{desc} = "enter_exit";
		2997
2076	unless (eval {	2998	unless (eval {
		2999	$self->deactivate_recursive; # just to be sure
		3000
		3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3002	my $x = $exit->stats->hp;
		3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
		3027
2077	$self->goto ($slaying, $hp, $sp);	3028	$self->goto ($map, $x, $y);
2078		3029
		3030	# if exit is damned, update players death & WoR home-position
		3031	$self->contr->savebed ($map, $x, $y)
		3032	if $exit->flag (cf::FLAG_DAMNED);
		3033
2079	1;	3034	1
2080	}) {	3035	}) {
2081	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2082	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2083	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2084	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2085		3040
2086	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2087	$self->leave_link;	3042	$self->leave_link;
2088	}	3043	}
2089	})->prio (1);	3044	})->prio (1);
2090	}	3045	}
2091		3046
…		…
2105		3060
2106	utf8::encode $text;	3061	utf8::encode $text;
2107	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2108	}	3063	}
2109		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
		3088	}
		3089
		3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3091
		3092	Send a drawinfo or msg packet to the client, formatting the msg for the
		3093	client if neccessary. C<$type> should be a string identifying the type of
		3094	the message, with C<log> being the default. If C<$color> is negative, suppress
		3095	the message unless the client supports the msg packet.
		3096
		3097	=cut
		3098
		3099	# non-persistent channels (usually the info channel)
		3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
		3107	"c/identify" => {
		3108	id => "infobox",
		3109	title => "Identify",
		3110	reply => undef,
		3111	tooltip => "Items recently identified",
		3112	},
		3113	"c/examine" => {
		3114	id => "infobox",
		3115	title => "Examine",
		3116	reply => undef,
		3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
		3124	},
		3125	"c/book" => {
		3126	id => "infobox",
		3127	title => "Book",
		3128	reply => undef,
		3129	tooltip => "The contents of a note or book",
		3130	},
		3131	"c/lookat" => {
		3132	id => "infobox",
		3133	title => "Look",
		3134	reply => undef,
		3135	tooltip => "What you saw there",
		3136	},
		3137	"c/who" => {
		3138	id => "infobox",
		3139	title => "Players",
		3140	reply => undef,
		3141	tooltip => "Shows players who are currently online",
		3142	},
		3143	"c/body" => {
		3144	id => "infobox",
		3145	title => "Body Parts",
		3146	reply => undef,
		3147	tooltip => "Shows which body parts you posess and are available",
		3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
		3185	"c/uptime" => {
		3186	id => "infobox",
		3187	title => "Uptime",
		3188	reply => undef,
		3189	tooltip => "How long the server has been running since last restart",
		3190	},
		3191	"c/mapinfo" => {
		3192	id => "infobox",
		3193	title => "Map Info",
		3194	reply => undef,
		3195	tooltip => "Information related to the maps",
		3196	},
		3197	"c/party" => {
		3198	id => "party",
		3199	title => "Party",
		3200	reply => "gsay ",
		3201	tooltip => "Messages and chat related to your party",
		3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
		3211	);
		3212
		3213	sub cf::client::send_msg {
		3214	my ($self, $channel, $msg, $color, @extra) = @_;
		3215
		3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
		3218
		3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3220
		3221	# check predefined channels, for the benefit of C
		3222	if ($CHANNEL{$channel}) {
		3223	$channel = $CHANNEL{$channel};
		3224
		3225	$self->ext_msg (channel_info => $channel);
		3226	$channel = $channel->{id};
		3227
		3228	} elsif (ref $channel) {
		3229	# send meta info to client, if not yet sent
		3230	unless (exists $self->{channel}{$channel->{id}}) {
		3231	$self->{channel}{$channel->{id}} = $channel;
		3232	$self->ext_msg (channel_info => $channel);
		3233	}
		3234
		3235	$channel = $channel->{id};
		3236	}
		3237
		3238	return unless @extra || length $msg;
		3239
		3240	# default colour, mask it out
		3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3242	if $color & cf::NDI_DEF;
		3243
		3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
		3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3247	);
		3248
		3249	$self->send_big_packet ($pkt);
		3250	}
		3251
2110	=item $client->ext_event ($type, %msg)	3252	=item $client->ext_msg ($type, @msg)
2111		3253
2112	Sends an exti event to the client.	3254	Sends an ext event to the client.
2113		3255
2114	=cut	3256	=cut
2115		3257
2116	sub cf::client::ext_event($$%) {	3258	sub cf::client::ext_msg($$@) {
2117	my ($self, $type, %msg) = @_;	3259	my ($self, $type, @msg) = @_;
2118		3260
2119	$msg{msgtype} = "event_$type";	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2120	$self->send_packet ("ext " . cf::to_json \%msg);
2121	}	3262	}
2122		3263
2123	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2124		3265
2125	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
2126	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3267	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2127	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3268	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2128		3269
2129	Queries can fail, so check the return code. Or don't, as queries will become	3270	Queries can fail, so check the return code. Or don't, as queries will
2130	reliable at some point in the future.	3271	become reliable at some point in the future.
2131		3272
2132	=cut	3273	=cut
2133		3274
2134	sub cf::client::query {	3275	sub cf::client::query {
2135	my ($self, $flags, $text, $cb) = @_;	3276	my ($self, $flags, $text, $cb) = @_;
…		…
2143	utf8::encode $text;	3284	utf8::encode $text;
2144	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3285	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2145		3286
2146	$self->send_packet ($self->{query_queue}[0][0])	3287	$self->send_packet ($self->{query_queue}[0][0])
2147	if @{ $self->{query_queue} } == 1;	3288	if @{ $self->{query_queue} } == 1;
		3289
		3290	1
2148	}	3291	}
2149		3292
2150	cf::client->attach (	3293	cf::client->attach (
		3294	on_connect => sub {
		3295	my ($ns) = @_;
		3296
		3297	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3298	},
2151	on_reply => sub {	3299	on_reply => sub {
2152	my ($ns, $msg) = @_;	3300	my ($ns, $msg) = @_;
2153		3301
2154	# this weird shuffling is so that direct followup queries	3302	# this weird shuffling is so that direct followup queries
2155	# get handled first	3303	# get handled first
…		…
2167	} else {	3315	} else {
2168	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3316	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2169	}	3317	}
2170	}	3318	}
2171	},	3319	},
		3320	on_exticmd => sub {
		3321	my ($ns, $buf) = @_;
		3322
		3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3324
		3325	if (ref $msg) {
		3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3327
		3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
		3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
		3346	}
		3347	} else {
		3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3349	}
		3350
		3351	cf::override;
		3352	},
2172	);	3353	);
2173		3354
2174	=item $client->async (\&cb)	3355	=item $client->async (\&cb)
2175		3356
2176	Create a new coroutine, running the specified callback. The coroutine will	3357	Create a new coroutine, running the specified callback. The coroutine will
…		…
2192		3373
2193	$coro	3374	$coro
2194	}	3375	}
2195		3376
2196	cf::client->attach (	3377	cf::client->attach (
2197	on_destroy => sub {	3378	on_client_destroy => sub {
2198	my ($ns) = @_;	3379	my ($ns) = @_;
2199		3380
2200	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2201	},	3382	},
2202	);	3383	);
…		…
2217	our $safe = new Safe "safe";	3398	our $safe = new Safe "safe";
2218	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
2219		3400
2220	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
2221		3402
2222	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3403	$safe->permit_only (Opcode::opset qw(
		3404	:base_core :base_mem :base_orig :base_math :base_loop
		3405	grepstart grepwhile mapstart mapwhile
		3406	sort time
		3407	));
2223		3408
2224	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
2225		3410
2226	=pod	3411	=pod
2227		3412
2228	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
2229		3414
2230	cf::object contr pay_amount pay_player map	3415	cf::object
		3416	contr pay_amount pay_player map x y force_find force_add destroy
		3417	insert remove name archname title slaying race decrease split
		3418	value
		3419
2231	cf::object::player player	3420	cf::object::player
2232	cf::player peaceful	3421	player
2233	cf::map trigger	3422
		3423	cf::player
		3424	peaceful
		3425
		3426	cf::map
		3427	trigger
2234		3428
2235	=cut	3429	=cut
2236		3430
2237	for (	3431	for (
2238	["cf::object" => qw(contr pay_amount pay_player map)],	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3433	insert remove inv nrof name archname title slaying race
		3434	decrease split destroy change_exp value msg lore send_msg)],
2239	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
2240	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
2241	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
2242	) {	3438	) {
2243	no strict 'refs';
2244	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
2245	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2246	for @funs;	3441	for @funs;
2247	}	3442	}
2248		3443
…		…
2263		3458
2264	my $qcode = $code;	3459	my $qcode = $code;
2265	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2266	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
2267		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
2268	local $_;	3466	local $_;
2269	local @safe::cf::_safe_eval_args = values %vars;
2270		3467
2271	my $eval =	3468	my $eval =
2272	"do {\n"	3469	"do {\n"
2273	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2274	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
2275	. $code	3472	. $code
2276	. "\n}"	3473	. "\n}"
2277	;	3474	;
2278		3475
		3476	if ($CFG{safe_eval}) {
2279	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
2280	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2281	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
2282		3485
2283	if ($@) {	3486	if ($@) {
2284	warn "$@";	3487	warn "$@",
2285	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
2286	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
2287	}	3490	}
2288		3491
2289	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
2290	}	3493	}
2291		3494
…		…
2305	=cut	3508	=cut
2306		3509
2307	sub register_script_function {	3510	sub register_script_function {
2308	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
2309		3512
2310	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
2311	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
2312	}	3515	}
2313		3516
2314	=back	3517	=back
2315		3518
2316	=cut	3519	=cut
2317
2318	#############################################################################
2319
2320	=head2 EXTENSION DATABASE SUPPORT
2321
2322	Crossfire maintains a very simple database for extension use. It can
2323	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2324	convert to/from binary).
2325
2326	The parameter C<$family> should best start with the name of the extension
2327	using it, it should be unique.
2328
2329	=over 4
2330
2331	=item $value = cf::db_get $family => $key
2332
2333	Returns a single value from the database.
2334
2335	=item cf::db_put $family => $key => $value
2336
2337	Stores the given C<$value> in the family.
2338
2339	=cut
2340
2341	our $DB;
2342
2343	sub db_init {
2344	unless ($DB) {
2345	$DB = BDB::db_create $DB_ENV;
2346
2347	cf::sync_job {
2348	eval {
2349	$DB->set_flags (BDB::CHKSUM);
2350
2351	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2352	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2353	cf::cleanup "db_open(db): $!" if $!;
2354	};
2355	cf::cleanup "db_open(db): $@" if $@;
2356	};
2357	}
2358	}
2359
2360	sub db_get($$) {
2361	my $key = "$_[0]/$_[1]";
2362
2363	cf::sync_job {
2364	BDB::db_get $DB, undef, $key, my $data;
2365
2366	$! ? ()
2367	: $data
2368	}
2369	}
2370
2371	sub db_put($$$) {
2372	BDB::dbreq_pri 4;
2373	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2374	}
2375
2376	=item cf::cache $id => [$paths...], $processversion => $process
2377
2378	Generic caching function that returns the value of the resource $id,
2379	caching and regenerating as required.
2380
2381	This function can block.
2382
2383	=cut
2384
2385	sub cache {
2386	my ($id, $src, $processversion, $process) = @_;
2387
2388	my $meta =
2389	join "\x00",
2390	$processversion,
2391	map {
2392	aio_stat $_
2393	and Carp::croak "$_: $!";
2394
2395	($_, (stat _)[7,9])
2396	} @$src;
2397
2398	my $dbmeta = db_get cache => "$id/meta";
2399	if ($dbmeta ne $meta) {
2400	# changed, we may need to process
2401
2402	my @data;
2403	my $md5;
2404
2405	for (0 .. $#$src) {
2406	0 <= aio_load $src->[$_], $data[$_]
2407	or Carp::croak "$src->[$_]: $!";
2408	}
2409
2410	# if processing is expensive, check
2411	# checksum first
2412	if (1) {
2413	$md5 =
2414	join "\x00",
2415	$processversion,
2416	map {
2417	Coro::cede;
2418	($src->[$_], Digest::MD5::md5_hex $data[$_])
2419	} 0.. $#$src;
2420
2421
2422	my $dbmd5 = db_get cache => "$id/md5";
2423	if ($dbmd5 eq $md5) {
2424	db_put cache => "$id/meta", $meta;
2425
2426	return db_get cache => "$id/data";
2427	}
2428	}
2429
2430	my $t1 = Time::HiRes::time;
2431	my $data = $process->(\@data);
2432	my $t2 = Time::HiRes::time;
2433
2434	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2435
2436	db_put cache => "$id/data", $data;
2437	db_put cache => "$id/md5" , $md5;
2438	db_put cache => "$id/meta", $meta;
2439
2440	return $data;
2441	}
2442
2443	db_get cache => "$id/data"
2444	}
2445
2446	=item fork_call { }, $args
2447
2448	Executes the given code block with the given arguments in a seperate
2449	process, returning the results. Everything must be serialisable with
2450	Coro::Storable. May, of course, block. Note that the executed sub may
2451	never block itself or use any form of Event handling.
2452
2453	=cut
2454
2455	sub fork_call(&@) {
2456	my ($cb, @args) = @_;
2457
2458	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2459	# or die "socketpair: $!";
2460	pipe my $fh1, my $fh2
2461	or die "pipe: $!";
2462
2463	if (my $pid = fork) {
2464	close $fh2;
2465
2466	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2467	$res = Coro::Storable::thaw $res;
2468
2469	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2470
2471	die $$res unless "ARRAY" eq ref $res;
2472
2473	return wantarray ? @$res : $res->[-1];
2474	} else {
2475	reset_signals;
2476	local $SIG{__WARN__};
2477	local $SIG{__DIE__};
2478	eval {
2479	close $fh1;
2480
2481	my @res = eval { $cb->(@args) };
2482	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2483	};
2484
2485	warn $@ if $@;
2486	_exit 0;
2487	}
2488	}
2489
2490
2491		3520
2492	#############################################################################	3521	#############################################################################
2493	# the server's init and main functions	3522	# the server's init and main functions
2494		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525
		3526	# internal api, not fianlised
		3527	sub set_face {
		3528	my ($name, $type, $data) = @_;
		3529
		3530	my $idx = cf::face::find $name;
		3531
		3532	if ($idx) {
		3533	delete $FACEHASH{cf::face::get_chksum $idx};
		3534	} else {
		3535	$idx = cf::face::alloc $name;
		3536	}
		3537
		3538	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3539
		3540	cf::face::set_type $idx, $type;
		3541	cf::face::set_data $idx, 0, $data, $hash;
		3542	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3543	$FACEHASH{$hash} = $idx;#d#
		3544
		3545	$idx
		3546	}
		3547
2495	sub load_facedata($) {	3548	sub load_facedata($) {
2496	my ($path) = @_;	3549	my ($path) = @_;
2497		3550
		3551	# HACK to clear player env face cache, we need some signal framework
		3552	# for this (global event?)
		3553	%ext::player_env::MUSIC_FACE_CACHE = ();
		3554
		3555	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3556
2498	warn "loading facedata from $path\n";	3557	trace "loading facedata from $path\n";
2499		3558
2500	my $facedata;	3559	my $facedata = decode_storable load_file $path;
2501	0 < aio_load $path, $facedata
2502	or die "$path: $!";
2503
2504	$facedata = Coro::Storable::thaw $facedata;
2505		3560
2506	$facedata->{version} == 2	3561	$facedata->{version} == 2
2507	or cf::cleanup "$path: version mismatch, cannot proceed.";	3562	or cf::cleanup "$path: version mismatch, cannot proceed.";
2508		3563
		3564	cf::cede_to_tick;
		3565
2509	{	3566	{
2510	my $faces = $facedata->{faceinfo};	3567	my $faces = $facedata->{faceinfo};
2511		3568
2512	while (my ($face, $info) = each %$faces) {	3569	for my $face (sort keys %$faces) {
		3570	my $info = $faces->{$face};
2513	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3571	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3572
2514	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3573	cf::face::set_visibility $idx, $info->{visibility};
		3574	cf::face::set_magicmap $idx, $info->{magicmap};
2515	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3575	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2516	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3576	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2517	Coro::cede;	3577	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3578	$FACEHASH{$info->{hash64}} = $idx;#d#
		3579
		3580	cf::cede_to_tick;
2518	}	3581	}
2519		3582
2520	while (my ($face, $info) = each %$faces) {	3583	while (my ($face, $info) = each %$faces) {
2521	next unless $info->{smooth};	3584	next unless $info->{smooth};
		3585
2522	my $idx = cf::face::find $face	3586	my $idx = cf::face::find $face
2523	or next;	3587	or next;
		3588
2524	if (my $smooth = cf::face::find $info->{smooth}) {	3589	if (my $smooth = cf::face::find $info->{smooth}) {
		3590	cf::face::set_smooth $idx, $smooth;
2525	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3591	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2526	} else {	3592	} else {
2527	warn "smooth face '$info->{smooth}' not found for face '$face'";	3593	error "smooth face '$info->{smooth}' not found for face '$face'";
2528	}	3594	}
2529	Coro::cede;	3595
		3596	cf::cede_to_tick;
2530	}	3597	}
2531	}	3598	}
2532		3599
2533	{	3600	{
2534	my $anims = $facedata->{animinfo};	3601	my $anims = $facedata->{animinfo};
2535		3602
2536	while (my ($anim, $info) = each %$anims) {	3603	while (my ($anim, $info) = each %$anims) {
2537	cf::anim::set $anim, $info->{frames}, $info->{facings};	3604	cf::anim::set $anim, $info->{frames}, $info->{facings};
2538	Coro::cede;	3605	cf::cede_to_tick;
2539	}	3606	}
2540		3607
2541	cf::anim::invalidate_all; # d'oh	3608	cf::anim::invalidate_all; # d'oh
2542	}	3609	}
2543		3610
		3611	{
		3612	my $res = $facedata->{resource};
		3613
		3614	while (my ($name, $info) = each %$res) {
		3615	if (defined (my $type = $info->{type})) {
		3616	# TODO: different hash - must free and use new index, or cache ixface data queue
		3617	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3618
		3619	cf::face::set_type $idx, $type;
		3620	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3621	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3622	$FACEHASH{$info->{hash}} = $idx;#d#
		3623	} else {
		3624	# $RESOURCE{$name} = $info; # unused
		3625	}
		3626
		3627	cf::cede_to_tick;
		3628	}
		3629	}
		3630
		3631	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3632
2544	1	3633	1
2545	}	3634	}
2546		3635
		3636	register_exticmd fx_want => sub {
		3637	my ($ns, $want) = @_;
		3638
		3639	while (my ($k, $v) = each %$want) {
		3640	$ns->fx_want ($k, $v);
		3641	}
		3642	};
		3643
		3644	sub load_resource_file($) {
		3645	my $guard = lock_acquire "load_resource_file";
		3646
		3647	my $status = load_resource_file_ $_[0];
		3648	get_slot 0.1, 100;
		3649	cf::arch::commit_load;
		3650
		3651	$status
		3652	}
		3653
		3654	sub reload_exp_table {
		3655	_reload_exp_table;
		3656
		3657	set_face "res/exp_table" => FT_RSRC,
		3658	JSON::XS->new->utf8->canonical->encode (
		3659	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3660	);
		3661	}
		3662
		3663	sub reload_materials {
		3664	_reload_materials;
		3665	}
		3666
2547	sub reload_regions {	3667	sub reload_regions {
		3668	# HACK to clear player env face cache, we need some signal framework
		3669	# for this (global event?)
		3670	%ext::player_env::MUSIC_FACE_CACHE = ();
		3671
2548	load_resource_file "$MAPDIR/regions"	3672	load_resource_file "$MAPDIR/regions"
2549	or die "unable to load regions file\n";	3673	or die "unable to load regions file\n";
		3674
		3675	for (cf::region::list) {
		3676	$_->{match} = qr/$_->{match}/
		3677	if exists $_->{match};
		3678	}
2550	}	3679	}
2551		3680
2552	sub reload_facedata {	3681	sub reload_facedata {
2553	load_facedata "$DATADIR/facedata"	3682	load_facedata "$DATADIR/facedata"
2554	or die "unable to load facedata\n";	3683	or die "unable to load facedata\n";
2555	}	3684	}
2556		3685
2557	sub reload_archetypes {	3686	sub reload_archetypes {
2558	load_resource_file "$DATADIR/archetypes"	3687	load_resource_file "$DATADIR/archetypes"
2559	or die "unable to load archetypes\n";	3688	or die "unable to load archetypes\n";
		3689
		3690	set_face "res/skill_info" => FT_RSRC,
		3691	JSON::XS->new->utf8->canonical->encode (
		3692	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3693	);
		3694	set_face "res/spell_paths" => FT_RSRC,
		3695	JSON::XS->new->utf8->canonical->encode (
		3696	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3697	);
2560	}	3698	}
2561		3699
2562	sub reload_treasures {	3700	sub reload_treasures {
2563	load_resource_file "$DATADIR/treasures"	3701	load_resource_file "$DATADIR/treasures"
2564	or die "unable to load treasurelists\n";	3702	or die "unable to load treasurelists\n";
2565	}	3703	}
2566		3704
		3705	sub reload_sound {
		3706	trace "loading sound config from $DATADIR/sound\n";
		3707
		3708	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3709
		3710	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3711	my $sound = $soundconf->{compat}[$_]
		3712	or next;
		3713
		3714	my $face = cf::face::find "sound/$sound->[1]";
		3715	cf::sound::set $sound->[0] => $face;
		3716	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3717	}
		3718
		3719	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3720	my $face = cf::face::find "sound/$v";
		3721	cf::sound::set $k => $face;
		3722	}
		3723	}
		3724
2567	sub reload_resources {	3725	sub reload_resources {
2568	warn "reloading resource files...\n";	3726	trace "reloading resource files...\n";
2569		3727
		3728	reload_materials;
		3729	reload_facedata;
		3730	reload_exp_table;
		3731	reload_sound;
		3732	reload_archetypes;
2570	reload_regions;	3733	reload_regions;
2571	reload_facedata;
2572	reload_archetypes;
2573	reload_treasures;	3734	reload_treasures;
2574		3735
2575	warn "finished reloading resource files\n";	3736	trace "finished reloading resource files\n";
2576	}	3737	}
2577		3738
2578	sub init {	3739	sub reload_config {
2579	reload_resources;	3740	trace "reloading config file...\n";
2580	}
2581		3741
2582	sub cfg_load {	3742	my $config = load_file "$CONFDIR/config";
2583	open my $fh, "<:utf8", "$CONFDIR/config"	3743	utf8::decode $config;
2584	or return;	3744	*CFG = decode_yaml $config;
2585		3745
2586	local $/;
2587	*CFG = YAML::Syck::Load <$fh>;
2588
2589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2590		3747
2591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2593		3750
2594	if (exists $CFG{mlockall}) {	3751	if (exists $CFG{mlockall}) {
…		…
2598	};	3755	};
2599	warn $@ if $@;	3756	warn $@ if $@;
2600	}	3757	}
2601	}	3758	}
2602		3759
		3760	sub pidfile() {
		3761	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3762	or die "$PIDFILE: $!";
		3763	flock $fh, &Fcntl::LOCK_EX
		3764	or die "$PIDFILE: flock: $!";
		3765	$fh
		3766	}
		3767
		3768	# make sure only one server instance is running at any one time
		3769	sub atomic {
		3770	my $fh = pidfile;
		3771
		3772	my $pid = <$fh>;
		3773	kill 9, $pid if $pid > 0;
		3774
		3775	seek $fh, 0, 0;
		3776	print $fh $$;
		3777	}
		3778
		3779	sub main_loop {
		3780	trace "EV::loop starting\n";
		3781	if (1) {
		3782	EV::loop;
		3783	}
		3784	trace "EV::loop returned\n";
		3785	goto &main_loop unless $REALLY_UNLOOP;
		3786	}
		3787
2603	sub main {	3788	sub main {
		3789	cf::init_globals; # initialise logging
		3790
		3791	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3792	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3793	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3794	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3795
		3796	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3797
2604	# we must not ever block the main coroutine	3798	# we must not ever block the main coroutine
2605	local $Coro::idle = sub {	3799	$Coro::idle = sub {
2606	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3800	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2607	(async {	3801	(async {
2608	Event::one_event;	3802	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3803	EV::loop EV::LOOP_ONESHOT;
2609	})->prio (Coro::PRIO_MAX);	3804	})->prio (Coro::PRIO_MAX);
2610	};	3805	};
2611		3806
2612	cfg_load;	3807	evthread_start IO::AIO::poll_fileno;
		3808
		3809	cf::sync_job {
		3810	cf::incloader::init ();
		3811
2613	db_init;	3812	db_init;
		3813
		3814	cf::init_anim;
		3815	cf::init_attackmess;
		3816	cf::init_dynamic;
		3817
		3818	cf::load_settings;
		3819
		3820	reload_resources;
		3821	reload_config;
		3822
		3823	cf::init_uuid;
		3824	cf::init_signals;
		3825	cf::init_skills;
		3826
		3827	cf::init_beforeplay;
		3828
		3829	atomic;
		3830
2614	load_extensions;	3831	load_extensions;
2615		3832
2616	$TICK_WATCHER->start;	3833	utime time, time, $RUNTIMEFILE;
2617	Event::loop;	3834
		3835	# no (long-running) fork's whatsoever before this point(!)
		3836	use POSIX ();
		3837	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3838
		3839	cf::_post_init 0;
		3840	};
		3841
		3842	cf::object::thawer::errors_are_fatal 0;
		3843	info "parse errors in files are no longer fatal from this point on.\n";
		3844
		3845	AE::postpone {
		3846	undef &main; # free gobs of memory :)
		3847	};
		3848
		3849	goto &main_loop;
2618	}	3850	}
2619		3851
2620	#############################################################################	3852	#############################################################################
2621	# initialisation and cleanup	3853	# initialisation and cleanup
2622		3854
2623	# install some emergency cleanup handlers	3855	# install some emergency cleanup handlers
2624	BEGIN {	3856	BEGIN {
		3857	our %SIGWATCHER = ();
2625	for my $signal (qw(INT HUP TERM)) {	3858	for my $signal (qw(INT HUP TERM)) {
2626	Event->signal (	3859	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2627	reentrant => 0,
2628	data => WF_AUTOCANCEL,
2629	signal => $signal,
2630	prio => 0,
2631	cb => sub {
2632	cf::cleanup "SIG$signal";	3860	cf::cleanup "SIG$signal";
2633	},
2634	);	3861	};
		3862	}
		3863	}
		3864
		3865	sub write_runtime_sync {
		3866	my $t0 = AE::time;
		3867
		3868	# first touch the runtime file to show we are still running:
		3869	# the fsync below can take a very very long time.
		3870
		3871	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3872
		3873	my $guard = cf::lock_acquire "write_runtime";
		3874
		3875	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3876	or return;
		3877
		3878	my $value = $cf::RUNTIME + 90 + 10;
		3879	# 10 is the runtime save interval, for a monotonic clock
		3880	# 60 allows for the watchdog to kill the server.
		3881
		3882	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3883	and return;
		3884
		3885	# always fsync - this file is important
		3886	aio_fsync $fh
		3887	and return;
		3888
		3889	# touch it again to show we are up-to-date
		3890	aio_utime $fh, undef, undef;
		3891
		3892	close $fh
		3893	or return;
		3894
		3895	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3896	and return;
		3897
		3898	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3899
2635	}	3900	1
		3901	}
		3902
		3903	our $uuid_lock;
		3904	our $uuid_skip;
		3905
		3906	sub write_uuid_sync($) {
		3907	$uuid_skip ||= $_[0];
		3908
		3909	return if $uuid_lock;
		3910	local $uuid_lock = 1;
		3911
		3912	my $uuid = "$LOCALDIR/uuid";
		3913
		3914	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3915	or return;
		3916
		3917	my $value = uuid_seq uuid_cur;
		3918
		3919	unless ($value) {
		3920	info "cowardly refusing to write zero uuid value!\n";
		3921	return;
		3922	}
		3923
		3924	my $value = uuid_str $value + $uuid_skip;
		3925	$uuid_skip = 0;
		3926
		3927	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3928	and return;
		3929
		3930	# always fsync - this file is important
		3931	aio_fsync $fh
		3932	and return;
		3933
		3934	close $fh
		3935	or return;
		3936
		3937	aio_rename "$uuid~", $uuid
		3938	and return;
		3939
		3940	trace "uuid file written ($value).\n";
		3941
		3942	1
		3943
		3944	}
		3945
		3946	sub write_uuid($$) {
		3947	my ($skip, $sync) = @_;
		3948
		3949	$sync ? write_uuid_sync $skip
		3950	: async { write_uuid_sync $skip };
2636	}	3951	}
2637		3952
2638	sub emergency_save() {	3953	sub emergency_save() {
2639	my $freeze_guard = cf::freeze_mainloop;	3954	my $freeze_guard = cf::freeze_mainloop;
2640		3955
2641	warn "enter emergency perl save\n";	3956	info "emergency_perl_save: enter\n";
		3957
		3958	# this is a trade-off: we want to be very quick here, so
		3959	# save all maps without fsync, and later call a global sync
		3960	# (which in turn might be very very slow)
		3961	local $USE_FSYNC = 0;
2642		3962
2643	cf::sync_job {	3963	cf::sync_job {
		3964	cf::write_runtime_sync; # external watchdog should not bark
		3965
2644	# use a peculiar iteration method to avoid tripping on perl	3966	# use a peculiar iteration method to avoid tripping on perl
2645	# refcount bugs in for. also avoids problems with players	3967	# refcount bugs in for. also avoids problems with players
2646	# and maps saved/destroyed asynchronously.	3968	# and maps saved/destroyed asynchronously.
2647	warn "begin emergency player save\n";	3969	info "emergency_perl_save: begin player save\n";
2648	for my $login (keys %cf::PLAYER) {	3970	for my $login (keys %cf::PLAYER) {
2649	my $pl = $cf::PLAYER{$login} or next;	3971	my $pl = $cf::PLAYER{$login} or next;
2650	$pl->valid or next;	3972	$pl->valid or next;
		3973	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2651	$pl->save;	3974	$pl->save;
2652	}	3975	}
2653	warn "end emergency player save\n";	3976	info "emergency_perl_save: end player save\n";
2654		3977
2655	warn "begin emergency map save\n";	3978	cf::write_runtime_sync; # external watchdog should not bark
		3979
		3980	info "emergency_perl_save: begin map save\n";
2656	for my $path (keys %cf::MAP) {	3981	for my $path (keys %cf::MAP) {
2657	my $map = $cf::MAP{$path} or next;	3982	my $map = $cf::MAP{$path} or next;
2658	$map->valid or next;	3983	$map->valid or next;
2659	$map->save;	3984	$map->save;
2660	}	3985	}
2661	warn "end emergency map save\n";	3986	info "emergency_perl_save: end map save\n";
2662		3987
2663	warn "begin emergency database checkpoint\n";	3988	cf::write_runtime_sync; # external watchdog should not bark
		3989
		3990	info "emergency_perl_save: begin database checkpoint\n";
2664	BDB::db_env_txn_checkpoint $DB_ENV;	3991	BDB::db_env_txn_checkpoint $DB_ENV;
2665	warn "end emergency database checkpoint\n";	3992	info "emergency_perl_save: end database checkpoint\n";
		3993
		3994	info "emergency_perl_save: begin write uuid\n";
		3995	write_uuid_sync 1;
		3996	info "emergency_perl_save: end write uuid\n";
		3997
		3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	trace "emergency_perl_save: syncing database to disk";
		4001	BDB::db_env_txn_checkpoint $DB_ENV;
		4002
		4003	info "emergency_perl_save: starting sync\n";
		4004	IO::AIO::aio_sync sub {
		4005	info "emergency_perl_save: finished sync\n";
		4006	};
		4007
		4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	trace "emergency_perl_save: flushing outstanding aio requests";
		4011	while (IO::AIO::nreqs || BDB::nreqs) {
		4012	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4013	}
		4014
		4015	cf::write_runtime_sync; # external watchdog should not bark
2666	};	4016	};
2667		4017
2668	warn "leave emergency perl save\n";	4018	info "emergency_perl_save: leave\n";
2669	}	4019	}
2670		4020
2671	sub post_cleanup {	4021	sub post_cleanup {
2672	my ($make_core) = @_;	4022	my ($make_core) = @_;
2673		4023
		4024	IO::AIO::flush;
		4025
2674	warn Carp::longmess "post_cleanup backtrace"	4026	error Carp::longmess "post_cleanup backtrace"
2675	if $make_core;	4027	if $make_core;
		4028
		4029	my $fh = pidfile;
		4030	unlink $PIDFILE if <$fh> == $$;
		4031	}
		4032
		4033	# a safer delete_package, copied from Symbol
		4034	sub clear_package($) {
		4035	my $pkg = shift;
		4036
		4037	# expand to full symbol table name if needed
		4038	unless ($pkg =~ /^main::.*::$/) {
		4039	$pkg = "main$pkg" if $pkg =~ /^::/;
		4040	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4041	$pkg .= '::' unless $pkg =~ /::$/;
		4042	}
		4043
		4044	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4045	my $stem_symtab = *{$stem}{HASH};
		4046
		4047	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4048	or return;
		4049
		4050	# clear all symbols
		4051	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4052	for my $name (keys %$leaf_symtab) {
		4053	_gv_clear *{"$pkg$name"};
		4054	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4055	}
2676	}	4056	}
2677		4057
2678	sub do_reload_perl() {	4058	sub do_reload_perl() {
2679	# can/must only be called in main	4059	# can/must only be called in main
2680	if ($Coro::current != $Coro::main) {	4060	unless (in_main) {
2681	warn "can only reload from main coroutine";	4061	error "can only reload from main coroutine";
2682	return;	4062	return;
2683	}	4063	}
2684		4064
2685	warn "reloading...";	4065	return if $RELOAD++;
2686		4066
2687	warn "entering sync_job";	4067	my $t1 = AE::time;
2688		4068
		4069	while ($RELOAD) {
		4070	cf::get_slot 0.1, -1, "reload_perl";
		4071	info "perl_reload: reloading...";
		4072
		4073	trace "perl_reload: entering sync_job";
		4074
2689	cf::sync_job {	4075	cf::sync_job {
2690	cf::write_runtime; # external watchdog should not bark
2691	cf::emergency_save;	4076	#cf::emergency_save;
2692	cf::write_runtime; # external watchdog should not bark
2693		4077
2694	warn "syncing database to disk";
2695	BDB::db_env_txn_checkpoint $DB_ENV;
2696
2697	# if anything goes wrong in here, we should simply crash as we already saved
2698
2699	warn "cancelling all WF_AUTOCANCEL watchers";
2700	for (Event::all_watchers) {
2701	$_->cancel if $_->data & WF_AUTOCANCEL;
2702	}
2703
2704	warn "flushing outstanding aio requests";
2705	for (;;) {
2706	BDB::flush;
2707	IO::AIO::flush;
2708	Coro::cede;
2709	last unless IO::AIO::nreqs || BDB::nreqs;
2710	warn "iterate...";
2711	}
2712
2713	++$RELOAD;
2714
2715	warn "cancelling all extension coros";	4078	trace "perl_reload: cancelling all extension coros";
2716	$_->cancel for values %EXT_CORO;	4079	$_->cancel for values %EXT_CORO;
2717	%EXT_CORO = ();	4080	%EXT_CORO = ();
2718		4081
2719	warn "removing commands";	4082	trace "perl_reload: removing commands";
2720	%COMMAND = ();	4083	%COMMAND = ();
2721		4084
2722	warn "removing ext commands";	4085	trace "perl_reload: removing ext/exti commands";
2723	%EXTCMD = ();	4086	%EXTCMD = ();
		4087	%EXTICMD = ();
2724		4088
2725	warn "unloading/nuking all extensions";	4089	trace "perl_reload: unloading/nuking all extensions";
2726	for my $pkg (@EXTS) {	4090	for my $pkg (@EXTS) {
2727	warn "... unloading $pkg";	4091	trace "... unloading $pkg";
2728		4092
2729	if (my $cb = $pkg->can ("unload")) {	4093	if (my $cb = $pkg->can ("unload")) {
2730	eval {	4094	eval {
2731	$cb->($pkg);	4095	$cb->($pkg);
2732	1	4096	1
2733	} or warn "$pkg unloaded, but with errors: $@";	4097	} or error "$pkg unloaded, but with errors: $@";
		4098	}
		4099
		4100	trace "... clearing $pkg";
		4101	clear_package $pkg;
2734	}	4102	}
2735		4103
2736	warn "... nuking $pkg";
2737	Symbol::delete_package $pkg;
2738	}
2739
2740	warn "unloading all perl modules loaded from $LIBDIR";	4104	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2741	while (my ($k, $v) = each %INC) {	4105	while (my ($k, $v) = each %INC) {
2742	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4106	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2743		4107
2744	warn "... unloading $k";	4108	trace "... unloading $k";
2745	delete $INC{$k};	4109	delete $INC{$k};
2746		4110
2747	$k =~ s/\.pm$//;	4111	$k =~ s/\.pm$//;
2748	$k =~ s/\//::/g;	4112	$k =~ s/\//::/g;
2749		4113
2750	if (my $cb = $k->can ("unload_module")) {	4114	if (my $cb = $k->can ("unload_module")) {
2751	$cb->();	4115	$cb->();
		4116	}
		4117
		4118	clear_package $k;
2752	}	4119	}
2753		4120
2754	Symbol::delete_package $k;
2755	}
2756
2757	warn "getting rid of safe::, as good as possible";	4121	trace "perl_reload: getting rid of safe::, as good as possible";
2758	Symbol::delete_package "safe::$_"	4122	clear_package "safe::$_"
2759	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4123	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2760		4124
2761	warn "unloading cf.pm \"a bit\"";	4125	trace "perl_reload: unloading cf.pm \"a bit\"";
2762	delete $INC{"cf.pm"};	4126	delete $INC{"cf.pm"};
2763	delete $INC{"cf/pod.pm"};	4127	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2764		4128
2765	# don't, removes xs symbols, too,	4129	# don't, removes xs symbols, too,
2766	# and global variables created in xs	4130	# and global variables created in xs
2767	#Symbol::delete_package __PACKAGE__;	4131	#clear_package __PACKAGE__;
2768		4132
2769	warn "unload completed, starting to reload now";	4133	info "perl_reload: unload completed, starting to reload now";
2770		4134
2771	warn "reloading cf.pm";	4135	trace "perl_reload: reloading cf.pm";
2772	require cf;	4136	require cf;
2773	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4137	cf::_connect_to_perl_1;
2774		4138
2775	warn "loading config and database again";	4139	trace "perl_reload: loading config and database again";
2776	cf::cfg_load;	4140	cf::reload_config;
2777		4141
2778	warn "loading extensions";	4142	trace "perl_reload: loading extensions";
2779	cf::load_extensions;	4143	cf::load_extensions;
2780		4144
		4145	if ($REATTACH_ON_RELOAD) {
2781	warn "reattaching attachments to objects/players";	4146	trace "perl_reload: reattaching attachments to objects/players";
2782	_global_reattach; # objects, sockets	4147	_global_reattach; # objects, sockets
2783	warn "reattaching attachments to maps";	4148	trace "perl_reload: reattaching attachments to maps";
2784	reattach $_ for values %MAP;	4149	reattach $_ for values %MAP;
2785	warn "reattaching attachments to players";	4150	trace "perl_reload: reattaching attachments to players";
2786	reattach $_ for values %PLAYER;	4151	reattach $_ for values %PLAYER;
		4152	}
2787		4153
2788	warn "leaving sync_job";	4154	cf::_post_init 1;
2789		4155
		4156	trace "perl_reload: leaving sync_job";
		4157
2790	1	4158	1
2791	} or do {	4159	} or do {
2792	warn $@;	4160	error $@;
2793	warn "error while reloading, exiting.";	4161	cf::cleanup "perl_reload: error, exiting.";
2794	exit 1;	4162	};
		4163
		4164	--$RELOAD;
2795	};	4165	}
2796		4166
2797	warn "reloaded";	4167	$t1 = AE::time - $t1;
		4168	info "perl_reload: completed in ${t1}s\n";
2798	};	4169	};
2799		4170
2800	our $RELOAD_WATCHER; # used only during reload	4171	our $RELOAD_WATCHER; # used only during reload
2801		4172
2802	sub reload_perl() {	4173	sub reload_perl() {
2803	# doing reload synchronously and two reloads happen back-to-back,	4174	# doing reload synchronously and two reloads happen back-to-back,
2804	# coro crashes during coro_state_free->destroy here.	4175	# coro crashes during coro_state_free->destroy here.
2805		4176
2806	$RELOAD_WATCHER ||= Event->timer (	4177	$RELOAD_WATCHER ||= cf::async {
2807	reentrant => 0,	4178	Coro::AIO::aio_wait cache_extensions;
2808	after => 0,	4179
2809	data => WF_AUTOCANCEL,	4180	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2810	cb => sub {
2811	do_reload_perl;	4181	do_reload_perl;
2812	undef $RELOAD_WATCHER;	4182	undef $RELOAD_WATCHER;
2813	},	4183	};
2814	);	4184	};
2815	}	4185	}
2816		4186
2817	register_command "reload" => sub {	4187	register_command "reload" => sub {
2818	my ($who, $arg) = @_;	4188	my ($who, $arg) = @_;
2819		4189
2820	if ($who->flag (FLAG_WIZ)) {	4190	if ($who->flag (FLAG_WIZ)) {
2821	$who->message ("reloading server.");	4191	$who->message ("reloading server.");
		4192	async {
		4193	$Coro::current->{desc} = "perl_reload";
2822	async { reload_perl };	4194	reload_perl;
		4195	};
2823	}	4196	}
2824	};	4197	};
2825		4198
2826	unshift @INC, $LIBDIR;	4199	#############################################################################
2827		4200
2828	my $bug_warning = 0;	4201	my $bug_warning = 0;
2829		4202
2830	our @WAIT_FOR_TICK;
2831	our @WAIT_FOR_TICK_BEGIN;
2832
2833	sub wait_for_tick {	4203	sub wait_for_tick() {
2834	return unless $TICK_WATCHER->is_active;	4204	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2835	return if $Coro::current == $Coro::main;
2836		4205
2837	my $signal = new Coro::Signal;	4206	$WAIT_FOR_TICK->wait;
2838	push @WAIT_FOR_TICK, $signal;
2839	$signal->wait;
2840	}	4207	}
2841		4208
2842	sub wait_for_tick_begin {	4209	sub wait_for_tick_begin() {
2843	return unless $TICK_WATCHER->is_active;	4210	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2844	return if $Coro::current == $Coro::main;
2845		4211
2846	my $signal = new Coro::Signal;	4212	my $signal = new Coro::Signal;
2847	push @WAIT_FOR_TICK_BEGIN, $signal;	4213	push @WAIT_FOR_TICK_BEGIN, $signal;
2848	$signal->wait;	4214	$signal->wait;
2849	}	4215	}
2850		4216
2851	$TICK_WATCHER = Event->timer (	4217	sub tick {
2852	reentrant => 0,
2853	parked => 1,
2854	prio => 0,
2855	at => $NEXT_TICK || $TICK,
2856	data => WF_AUTOCANCEL,
2857	cb => sub {
2858	if ($Coro::current != $Coro::main) {	4218	if ($Coro::current != $Coro::main) {
2859	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4219	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2860	unless ++$bug_warning > 10;	4220	unless ++$bug_warning > 10;
2861	return;	4221	return;
2862	}	4222	}
2863		4223
2864	$NOW = $tick_start = Event::time;	4224	cf::one_tick; # one server iteration
2865		4225
2866	cf::server_tick; # one server iteration	4226	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2867		4227
2868	$RUNTIME += $TICK;
2869	$NEXT_TICK += $TICK;
2870
2871	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4228	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2872	$NEXT_RUNTIME_WRITE = $NOW + 10;	4229	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2873	Coro::async_pool {	4230	Coro::async_pool {
		4231	$Coro::current->{desc} = "runtime saver";
2874	write_runtime	4232	write_runtime_sync
2875	or warn "ERROR: unable to write runtime file: $!";	4233	or error "ERROR: unable to write runtime file: $!";
2876	};
2877	}	4234	};
		4235	}
2878		4236
2879	# my $AFTER = Event::time;
2880	# warn $AFTER - $NOW;#d#
2881
2882	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4237	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2883	$sig->send;	4238	$sig->send;
2884	}	4239	}
2885	while (my $sig = shift @WAIT_FOR_TICK) {	4240	$WAIT_FOR_TICK->broadcast;
2886	$sig->send;
2887	}
2888		4241
2889	$NOW = Event::time;	4242	$LOAD = ($NOW - $TICK_START) / $TICK;
2890
2891	# if we are delayed by four ticks or more, skip them all
2892	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2893
2894	$TICK_WATCHER->at ($NEXT_TICK);
2895	$TICK_WATCHER->start;
2896
2897	$LOAD = ($NOW - $tick_start) / $TICK;
2898	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4243	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2899		4244
2900	_post_tick;	4245	if (0) {
2901		4246	if ($NEXT_TICK) {
2902		4247	my $jitter = $TICK_START - $NEXT_TICK;
		4248	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4249	debug "jitter $JITTER\n";#d#
		4250	}
2903	},	4251	}
2904	);	4252	}
2905		4253
2906	{	4254	{
2907	BDB::max_poll_time $TICK * 0.1;	4255	# configure BDB
2908	$BDB_POLL_WATCHER = Event->io (	4256	info "initialising database";
2909	reentrant => 0,	4257
2910	fd => BDB::poll_fileno,
2911	poll => 'r',
2912	prio => 0,
2913	data => WF_AUTOCANCEL,
2914	cb => \&BDB::poll_cb,
2915	);
2916	BDB::min_parallel 8;	4258	BDB::min_parallel 16;
2917		4259	BDB::max_poll_reqs $TICK * 0.1;
2918	BDB::set_sync_prepare {	4260	#$AnyEvent::BDB::WATCHER->priority (1);
2919	my $status;
2920	my $current = $Coro::current;
2921	(
2922	sub {
2923	$status = $!;
2924	$current->ready; undef $current;
2925	},
2926	sub {
2927	Coro::schedule while defined $current;
2928	$! = $status;
2929	},
2930	)
2931	};
2932		4261
2933	unless ($DB_ENV) {	4262	unless ($DB_ENV) {
2934	$DB_ENV = BDB::db_env_create;	4263	$DB_ENV = BDB::db_env_create;
		4264	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4265	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4266	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4267	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4268	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2935		4269
2936	cf::sync_job {	4270	cf::sync_job {
2937	eval {	4271	eval {
2938	BDB::db_env_open	4272	BDB::db_env_open
2939	$DB_ENV,	4273	$DB_ENV,
…		…
2941	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4275	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2942	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4276	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2943	0666;	4277	0666;
2944		4278
2945	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4279	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2946
2947	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2948	$DB_ENV->set_lk_detect;
2949	};	4280	};
2950		4281
2951	cf::cleanup "db_env_open(db): $@" if $@;	4282	cf::cleanup "db_env_open(db): $@" if $@;
2952	};	4283	};
2953	}	4284	}
		4285
		4286	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4287	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4288	};
		4289	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4290	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4291	};
		4292	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4293	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4294	};
		4295
		4296	info "database initialised";
2954	}	4297	}
2955		4298
2956	{	4299	{
		4300	# configure IO::AIO
		4301
		4302	info "initialising aio";
2957	IO::AIO::min_parallel 8;	4303	IO::AIO::min_parallel 8;
2958
2959	undef $Coro::AIO::WATCHER;
2960	IO::AIO::max_poll_time $TICK * 0.1;	4304	IO::AIO::max_poll_time $TICK * 0.1;
2961	$AIO_POLL_WATCHER = Event->io (	4305	undef $AnyEvent::AIO::WATCHER;
2962	reentrant => 0,	4306	info "aio initialised";
2963	data => WF_AUTOCANCEL,
2964	fd => IO::AIO::poll_fileno,
2965	poll => 'r',
2966	prio => 6,
2967	cb => \&IO::AIO::poll_cb,
2968	);
2969	}	4307	}
2970		4308
2971	my $_log_backtrace;	4309	our $_log_backtrace;
		4310	our $_log_backtrace_last;
2972		4311
2973	sub _log_backtrace {	4312	sub _log_backtrace {
2974	my ($msg, @addr) = @_;	4313	my ($msg, @addr) = @_;
2975		4314
2976	$msg =~ s/\n//;	4315	$msg =~ s/\n$//;
2977		4316
		4317	if ($_log_backtrace_last eq $msg) {
		4318	LOG llevInfo, "[ABT] $msg\n";
		4319	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
2978	# limit the # of concurrent backtraces	4320	# limit the # of concurrent backtraces
2979	if ($_log_backtrace < 2) {	4321	} elsif ($_log_backtrace < 2) {
		4322	$_log_backtrace_last = $msg;
2980	++$_log_backtrace;	4323	++$_log_backtrace;
		4324	my $perl_bt = Carp::longmess $msg;
2981	async {	4325	async {
		4326	$Coro::current->{desc} = "abt $msg";
		4327
2982	my @bt = fork_call {	4328	my @bt = fork_call {
2983	@addr = map { sprintf "%x", $_ } @addr;	4329	@addr = map { sprintf "%x", $_ } @addr;
2984	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4330	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
2985	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4331	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
2986	or die "addr2line: $!";	4332	or die "addr2line: $!";
…		…
2994	}	4340	}
2995		4341
2996	@funcs	4342	@funcs
2997	};	4343	};
2998		4344
2999	LOG llevInfo, "[ABT] $msg\n";	4345	LOG llevInfo, "[ABT] $perl_bt\n";
		4346	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3000	LOG llevInfo, "[ABT] $_\n" for @bt;	4347	LOG llevInfo, "[ABT] $_\n" for @bt;
3001	--$_log_backtrace;	4348	--$_log_backtrace;
3002	};	4349	};
3003	} else {	4350	} else {
3004	LOG llevInfo, "[ABT] $msg\n";	4351	LOG llevInfo, "[ABT] $msg\n";
3005	LOG llevInfo, "[ABT] [suppressed]\n";	4352	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3006	}	4353	}
3007	}	4354	}
3008		4355
3009	# load additional modules	4356	# load additional modules
3010	use cf::pod;	4357	require "cf/$_.pm" for @EXTRA_MODULES;
		4358	cf::_connect_to_perl_2;
3011		4359
3012	END { cf::emergency_save }	4360	END { cf::emergency_save }
3013		4361
3014	1	4362	1
3015		4363

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