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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.268 by root, Tue May 22 10:50:00 2007 UTC vs.
Revision 1.598 by root, Sun Nov 11 02:38:10 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;
32	use Compress::LZF;	63	use Compress::LZF;
		64	use Digest::MD5 ();
		65
		66	AnyEvent::detect;
33		67
34	# configure various modules to our taste	68	# configure various modules to our taste
35	#	69	#
36	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	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	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
39		78
40	$Event::Eval = 1; # no idea why this is required, but it is	79	# strictly for debugging
41		80	$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		81
47	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
48		85
49	our %COMMAND = ();	86	our %COMMAND = ();
50	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
51		88
52	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
		92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
56		96
57	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
58	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
59		101
60	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
61	our $DATADIR = datadir;	104	our $DATADIR = datadir;
62	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
63	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
64	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
65	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
66	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
69	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
70	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
		115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
71		125
72	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	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	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
76	our $NEXT_TICK;	128	our $NEXT_TICK;
		129	our $USE_FSYNC = 1; # use fsync to write maps - default on
		130
		131	our $BDB_DEADLOCK_WATCHER;
		132	our $BDB_CHECKPOINT_WATCHER;
		133	our $BDB_TRICKLE_WATCHER;
		134	our $DB_ENV;
		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
		138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		140
		141	our $UPTIME; $UPTIME ||= time;
		142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
77	our $NOW;	144	our $NOW;
78	our $USE_FSYNC = 1; # use fsync to write maps - default off
79		145
80	our $BDB_POLL_WATCHER;	146	our (%PLAYER, %PLAYER_LOADING); # all users
81	our $DB_ENV;	147	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	148	our $LINK_MAP; # the special {link} map, which is always available
91		149
92	# used to convert map paths into valid unix filenames by replacing / by ∕	150	# used to convert map paths into valid unix filenames by replacing / by ∕
93	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	151	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
94		152
95	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
96	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
		155	our $JITTER; # average jitter
97	our $tick_start; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
98		165
99	binmode STDOUT;	166	binmode STDOUT;
100	binmode STDERR;	167	binmode STDERR;
101		168
102	# read virtual server time, if available	169	# read virtual server time, if available
103	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
104	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
105	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
106	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
107	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
108		177
109	mkdir $_	178	mkdir $_
110	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
111		180
112	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
113		182
114	sub cf::map::normalise;	183	sub cf::map::normalise;
115		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
116	#############################################################################	189	#############################################################################
117		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
118	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
119		203
120	=over 4	204	=over 4
121		205
122	=item $cf::UPTIME	206	=item $cf::UPTIME
123		207
124	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
125		224
126	=item $cf::RUNTIME	225	=item $cf::RUNTIME
127		226
128	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
129	every server tick.	228	every server tick.
130		229
131	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
132	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
133	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
134		233
135	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
136	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
137	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
138	database environment.	237	database environment.
139		238
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	239	=item $cf::LOADAVG
149		240
150	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
151	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
152	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
155		246
156	The raw value load value from the last tick.	247	The raw value load value from the last tick.
157		248
158	=item %cf::CFG	249	=item %cf::CFG
159		250
160	Configuration for the server, loaded from C</etc/crossfire/config>, or	251	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
161	from wherever your confdir points to.	252	from wherever your confdir points to.
162		253
163	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
164		255
165	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
166	returns directly I<after> the tick processing (and consequently, can only wake one process	257	returns directly I<after> the tick processing (and consequently, can only wake one thread
167	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	258	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
168		259
		260	Note that cf::Wait_for_tick will immediately return when the server is not
		261	ticking, making it suitable for small pauses in threads that need to run
		262	when the server is paused. If that is not applicable (i.e. you I<really>
		263	want to wait, use C<$cf::WAIT_FOR_TICK>).
		264
		265	=item $cf::WAIT_FOR_TICK
		266
		267	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		268	variable contains a L<Coro::Signal> that is broadcats after every server
		269	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		270	next server tick.
		271
		272	=cut
		273
		274	sub wait_for_tick();
		275	sub wait_for_tick_begin();
		276
		277	=item @cf::INVOKE_RESULTS
		278
		279	This array contains the results of the last C<invoke ()> call. When
		280	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		281	that call.
		282
		283	=item %cf::REFLECT
		284
		285	Contains, for each (C++) class name, a hash reference with information
		286	about object members (methods, scalars, arrays and flags) and other
		287	metadata, which is useful for introspection.
		288
169	=back	289	=back
170		290
171	=cut	291	=cut
172		292
173	BEGIN {	293	sub error(@) { LOG llevError, join "", @_ }
174	*CORE::GLOBAL::warn = sub {	294	sub warn (@) { LOG llevWarn , join "", @_ }
		295	sub info (@) { LOG llevInfo , join "", @_ }
		296	sub debug(@) { LOG llevDebug, join "", @_ }
		297	sub trace(@) { LOG llevTrace, join "", @_ }
		298
		299	$Coro::State::WARNHOOK = sub {
175	my $msg = join "", @_;	300	my $msg = join "", @_;
176		301
177	$msg .= "\n"	302	$msg .= "\n"
178	unless $msg =~ /\n$/;	303	unless $msg =~ /\n$/;
179		304
180	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	305	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
181		306
182	utf8::encode $msg;
183	LOG llevError, $msg;	307	LOG llevWarn, $msg;
184	};	308	};
185	}	309
		310	$Coro::State::DIEHOOK = sub {
		311	return unless $^S eq 0; # "eq", not "=="
		312
		313	error Carp::longmess $_[0];
		314
		315	if (in_main) {#d#
		316	error "DIEHOOK called in main context, Coro bug?\n";#d#
		317	return;#d#
		318	}#d#
		319
		320	# kill coroutine otherwise
		321	Coro::terminate
		322	};
186		323
187	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	324	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
188	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	325	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
189	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	326	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
190	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	327	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
191	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	328	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		329	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
192	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	330	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
193		331
194	# we bless all objects into (empty) derived classes to force a method lookup	332	# we bless all objects into (empty) derived classes to force a method lookup
195	# within the Safe compartment.	333	# within the Safe compartment.
196	for my $pkg (qw(	334	for my $pkg (qw(
197	cf::global cf::attachable	335	cf::global cf::attachable
198	cf::object cf::object::player	336	cf::object cf::object::player
199	cf::client cf::player	337	cf::client cf::player
200	cf::arch cf::living	338	cf::arch cf::living
		339	cf::map cf::mapspace
201	cf::map cf::party cf::region	340	cf::party cf::region
202	)) {	341	)) {
203	no strict 'refs';
204	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	342	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
205	}	343	}
206		344
207	$Event::DIED = sub {	345	$EV::DIED = sub {
208	warn "error in event callback: @_";	346	warn "error in event callback: $@";
209	};	347	};
		348
		349	#############################################################################
		350
		351	sub fork_call(&@);
		352	sub get_slot($;$$);
		353
		354	#############################################################################
210		355
211	=head2 UTILITY FUNCTIONS	356	=head2 UTILITY FUNCTIONS
212		357
213	=over 4	358	=over 4
214		359
…		…
233	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	378	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
234	$d	379	$d
235	} || "[unable to dump $_[0]: '$@']";	380	} || "[unable to dump $_[0]: '$@']";
236	}	381	}
237		382
238	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working	383	=item $scalar = cf::load_file $path
239		384
		385	Loads the given file from path and returns its contents. Croaks on error
		386	and can block.
		387
		388	=cut
		389
		390	sub load_file($) {
		391	0 <= aio_load $_[0], my $data
		392	or Carp::croak "$_[0]: $!";
		393
		394	$data
		395	}
		396
		397	=item $success = cf::replace_file $path, $data, $sync
		398
		399	Atomically replaces the file at the given $path with new $data, and
		400	optionally $sync the data to disk before replacing the file.
		401
		402	=cut
		403
		404	sub replace_file($$;$) {
		405	my ($path, $data, $sync) = @_;
		406
		407	my $lock = cf::lock_acquire ("replace_file:$path");
		408
		409	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		410	or return;
		411
		412	$data = $data->() if ref $data;
		413
		414	length $data == aio_write $fh, 0, (length $data), $data, 0
		415	or return;
		416
		417	!$sync
		418	or !aio_fsync $fh
		419	or return;
		420
		421	aio_close $fh
		422	and return;
		423
		424	aio_rename "$path~", $path
		425	and return;
		426
		427	if ($sync) {
		428	$path =~ s%/[^/]*$%%;
		429	aio_pathsync $path;
		430	}
		431
		432	1
		433	}
		434
240	=item $ref = cf::from_json $json	435	=item $ref = cf::decode_json $json
241		436
242	Converts a JSON string into the corresponding perl data structure.	437	Converts a JSON string into the corresponding perl data structure.
243		438
244	=item $json = cf::to_json $ref	439	=item $json = cf::encode_json $ref
245		440
246	Converts a perl data structure into its JSON representation.	441	Converts a perl data structure into its JSON representation.
247		442
		443	=cut
		444
		445	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		446
		447	sub encode_json($) { $json_coder->encode ($_[0]) }
		448	sub decode_json($) { $json_coder->decode ($_[0]) }
		449
		450	=item $ref = cf::decode_storable $scalar
		451
		452	Same as Coro::Storable::thaw, so blocks.
		453
		454	=cut
		455
		456	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		457
		458	=item $ref = cf::decode_yaml $scalar
		459
		460	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		461
		462	=cut
		463
		464	sub decode_yaml($) {
		465	fork_call { YAML::XS::Load $_[0] } @_
		466	}
		467
		468	=item $scalar = cf::unlzf $scalar
		469
		470	Same as Compress::LZF::compress, but takes server ticks into account, so
		471	blocks.
		472
		473	=cut
		474
		475	sub unlzf($) {
		476	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		477	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		478	Compress::LZF::decompress $_[0]
		479	}
		480
		481	=item cf::post_init { BLOCK }
		482
		483	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		484	but I<before> the server starts ticking again.
		485
		486	The codeblock will have a single boolean argument to indicate whether this
		487	is a reload or not.
		488
		489	=cut
		490
		491	sub post_init(&) {
		492	push @POST_INIT, shift;
		493	}
		494
		495	sub _post_init {
		496	trace "running post_init jobs";
		497
		498	# run them in parallel...
		499
		500	my @join;
		501
		502	while () {
		503	push @join, map &Coro::async ($_, 0), @POST_INIT;
		504	@POST_INIT = ();
		505
		506	@join or last;
		507
		508	(pop @join)->join;
		509	}
		510	}
		511
248	=item cf::lock_wait $string	512	=item cf::lock_wait $string
249		513
250	Wait until the given lock is available. See cf::lock_acquire.	514	Wait until the given lock is available. See cf::lock_acquire.
251		515
252	=item my $lock = cf::lock_acquire $string	516	=item my $lock = cf::lock_acquire $string
253		517
254	Wait until the given lock is available and then acquires it and returns	518	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,	519	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	520	for example when the coroutine gets canceled), the lock is automatically
257	returned.	521	returned.
258		522
		523	Locks are *not* recursive, locking from the same coro twice results in a
		524	deadlocked coro.
		525
259	Lock names should begin with a unique identifier (for example, cf::map::find	526	Lock names should begin with a unique identifier (for example, cf::map::find
260	uses map_find and cf::map::load uses map_load).	527	uses map_find and cf::map::load uses map_load).
261		528
262	=item $locked = cf::lock_active $string	529	=item $locked = cf::lock_active $string
263		530
264	Return true if the lock is currently active, i.e. somebody has locked it.	531	Return true if the lock is currently active, i.e. somebody has locked it.
265		532
266	=cut	533	=cut
267		534
268	our %LOCK;	535	our $LOCKS = new Coro::SemaphoreSet;
269		536
270	sub lock_wait($) {	537	sub lock_wait($) {
271	my ($key) = @_;	538	$LOCKS->wait ($_[0]);
272
273	# wait for lock, if any
274	while ($LOCK{$key}) {
275	push @{ $LOCK{$key} }, $Coro::current;
276	Coro::schedule;
277	}
278	}	539	}
279		540
280	sub lock_acquire($) {	541	sub lock_acquire($) {
281	my ($key) = @_;	542	$LOCKS->guard ($_[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	}	543	}
293		544
294	sub lock_active($) {	545	sub lock_active($) {
295	my ($key) = @_;	546	$LOCKS->count ($_[0]) < 1
296
297	! ! $LOCK{$key}
298	}	547	}
299		548
300	sub freeze_mainloop {	549	sub freeze_mainloop {
301	return unless $TICK_WATCHER->is_active;	550	tick_inhibit_inc;
302		551
303	my $guard = Coro::guard {	552	&Guard::guard (\&tick_inhibit_dec);
304	$TICK_WATCHER->start;	553	}
		554
		555	=item cf::periodic $interval, $cb
		556
		557	Like EV::periodic, but randomly selects a starting point so that the actions
		558	get spread over time.
		559
		560	=cut
		561
		562	sub periodic($$) {
		563	my ($interval, $cb) = @_;
		564
		565	my $start = rand List::Util::min 180, $interval;
		566
		567	EV::periodic $start, $interval, 0, $cb
		568	}
		569
		570	=item cf::get_slot $time[, $priority[, $name]]
		571
		572	Allocate $time seconds of blocking CPU time at priority C<$priority>
		573	(default: 0): This call blocks and returns only when you have at least
		574	C<$time> seconds of cpu time till the next tick. The slot is only valid
		575	till the next cede.
		576
		577	Background jobs should use a priority les than zero, interactive jobs
		578	should use 100 or more.
		579
		580	The optional C<$name> can be used to identify the job to run. It might be
		581	used for statistical purposes and should identify the same time-class.
		582
		583	Useful for short background jobs.
		584
		585	=cut
		586
		587	our @SLOT_QUEUE;
		588	our $SLOT_QUEUE;
		589	our $SLOT_DECAY = 0.9;
		590
		591	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		592	$SLOT_QUEUE = Coro::async {
		593	$Coro::current->desc ("timeslot manager");
		594
		595	my $signal = new Coro::Signal;
		596	my $busy;
		597
		598	while () {
		599	next_job:
		600
		601	my $avail = cf::till_tick;
		602
		603	for (0 .. $#SLOT_QUEUE) {
		604	if ($SLOT_QUEUE[$_][0] <= $avail) {
		605	$busy = 0;
		606	my $job = splice @SLOT_QUEUE, $_, 1, ();
		607	$job->[2]->send;
		608	Coro::cede;
		609	goto next_job;
		610	} else {
		611	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		612	}
		613	}
		614
		615	if (@SLOT_QUEUE) {
		616	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		617	$WAIT_FOR_TICK->wait;
		618	} else {
		619	$busy = 0;
		620	Coro::schedule;
		621	}
305	};	622	}
306	$TICK_WATCHER->stop;	623	};
307	$guard	624
		625	sub get_slot($;$$) {
		626	return if tick_inhibit || $Coro::current == $Coro::main;
		627
		628	my ($time, $pri, $name) = @_;
		629
		630	$time = clamp $time, 0.01, $TICK * .6;
		631
		632	my $sig = new Coro::Signal;
		633
		634	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		635	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		636	$SLOT_QUEUE->ready;
		637	$sig->wait;
308	}	638	}
309		639
310	=item cf::async { BLOCK }	640	=item cf::async { BLOCK }
311		641
312	Currently the same as Coro::async_pool, meaning you cannot use	642	Currently the same as Coro::async_pool, meaning you cannot use
…		…
317		647
318	BEGIN { *async = \&Coro::async_pool }	648	BEGIN { *async = \&Coro::async_pool }
319		649
320	=item cf::sync_job { BLOCK }	650	=item cf::sync_job { BLOCK }
321		651
322	The design of crossfire+ requires that the main coro ($Coro::main) is	652	The design of Deliantra requires that the main coroutine ($Coro::main)
323	always able to handle events or runnable, as crossfire+ is only partly	653	is always able to handle events or runnable, as Deliantra is only
324	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	654	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		655	acceptable.
325		656
326	If it must be done, put the blocking parts into C<sync_job>. This will run	657	If it must be done, put the blocking parts into C<sync_job>. This will run
327	the given BLOCK in another coroutine while waiting for the result. The	658	the given BLOCK in another coroutine while waiting for the result. The
328	server will be frozen during this time, so the block should either finish	659	server will be frozen during this time, so the block should either finish
329	fast or be very important.	660	fast or be very important.
…		…
331	=cut	662	=cut
332		663
333	sub sync_job(&) {	664	sub sync_job(&) {
334	my ($job) = @_;	665	my ($job) = @_;
335		666
336	if ($Coro::current == $Coro::main) {	667	if (in_main) {
337	my $time = Event::time;	668	my $time = AE::time;
338		669
339	# this is the main coro, too bad, we have to block	670	# this is the main coro, too bad, we have to block
340	# till the operation succeeds, freezing the server :/	671	# till the operation succeeds, freezing the server :/
341		672
342	# TODO: use suspend/resume instead	673	#LOG llevError, Carp::longmess "sync job";#d#
343	# (but this is cancel-safe)	674
344	my $freeze_guard = freeze_mainloop;	675	my $freeze_guard = freeze_mainloop;
345		676
346	my $busy = 1;	677	my $busy = 1;
347	my @res;	678	my @res;
348		679
349	(async {	680	(async {
		681	$Coro::current->desc ("sync job coro");
350	@res = eval { $job->() };	682	@res = eval { $job->() };
351	warn $@ if $@;	683	error $@ if $@;
352	undef $busy;	684	undef $busy;
353	})->prio (Coro::PRIO_MAX);	685	})->prio (Coro::PRIO_MAX);
354		686
355	while ($busy) {	687	while ($busy) {
356	Coro::cede or Event::one_event;	688	if (Coro::nready) {
		689	Coro::cede_notself;
		690	} else {
		691	EV::loop EV::LOOP_ONESHOT;
357	}	692	}
		693	}
358		694
359	$time = Event::time - $time;	695	my $time = AE::time - $time;
360		696
361	LOG llevError | logBacktrace, Carp::longmess "long sync job"
362	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
363
364	$tick_start += $time; # do not account sync jobs to server load	697	$TICK_START += $time; # do not account sync jobs to server load
365		698
366	wantarray ? @res : $res[0]	699	wantarray ? @res : $res[0]
367	} else {	700	} else {
368	# we are in another coroutine, how wonderful, everything just works	701	# we are in another coroutine, how wonderful, everything just works
369		702
…		…
389	$EXT_CORO{$coro+0} = $coro;	722	$EXT_CORO{$coro+0} = $coro;
390		723
391	$coro	724	$coro
392	}	725	}
393		726
394	sub write_runtime {	727	=item fork_call { }, @args
395	my $runtime = "$LOCALDIR/runtime";
396		728
397	# first touch the runtime file to show we are still running:	729	Executes the given code block with the given arguments in a seperate
398	# the fsync below can take a very very long time.	730	process, returning the results. Everything must be serialisable with
		731	Coro::Storable. May, of course, block. Note that the executed sub may
		732	never block itself or use any form of event handling.
399		733
400	if (my $fh = aio_open $runtime, O_WRONLY, 0) {	734	=cut
401	utime undef, undef, $fh;	735
		736	sub post_fork {
		737	reset_signals;
		738	}
		739
		740	sub fork_call(&@) {
		741	my ($cb, @args) = @_;
		742
		743	# we seemingly have to make a local copy of the whole thing,
		744	# otherwise perl prematurely frees the stuff :/
		745	# TODO: investigate and fix (likely this will be rather laborious)
		746
		747	my @res = Coro::Util::fork_eval {
		748	cf::post_fork;
		749	&$cb
		750	} @args;
		751
		752	wantarray ? @res : $res[-1]
		753	}
		754
		755	sub objinfo {
		756	(
		757	"counter value" => cf::object::object_count,
		758	"objects created" => cf::object::create_count,
		759	"objects destroyed" => cf::object::destroy_count,
		760	"freelist size" => cf::object::free_count,
		761	"allocated objects" => cf::object::objects_size,
		762	"active objects" => cf::object::actives_size,
		763	)
		764	}
		765
		766	=item $coin = coin_from_name $name
		767
		768	=cut
		769
		770	our %coin_alias = (
		771	"silver" => "silvercoin",
		772	"silvercoin" => "silvercoin",
		773	"silvercoins" => "silvercoin",
		774	"gold" => "goldcoin",
		775	"goldcoin" => "goldcoin",
		776	"goldcoins" => "goldcoin",
		777	"platinum" => "platinacoin",
		778	"platinumcoin" => "platinacoin",
		779	"platinumcoins" => "platinacoin",
		780	"platina" => "platinacoin",
		781	"platinacoin" => "platinacoin",
		782	"platinacoins" => "platinacoin",
		783	"royalty" => "royalty",
		784	"royalties" => "royalty",
		785	);
		786
		787	sub coin_from_name($) {
		788	$coin_alias{$_[0]}
		789	? cf::arch::find $coin_alias{$_[0]}
		790	: undef
		791	}
		792
		793	=item $value = cf::db_get $family => $key
		794
		795	Returns a single value from the environment database.
		796
		797	=item cf::db_put $family => $key => $value
		798
		799	Stores the given C<$value> in the family. It can currently store binary
		800	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		801
		802	=item $db = cf::db_table "name"
		803
		804	Create and/or open a new database table. The string must not be "db" and must be unique
		805	within each server.
		806
		807	=cut
		808
		809	sub db_table($) {
		810	cf::error "db_get called from main context"
		811	if $Coro::current == $Coro::main;
		812
		813	my ($name) = @_;
		814	my $db = BDB::db_create $DB_ENV;
		815
		816	eval {
		817	$db->set_flags (BDB::CHKSUM);
		818
		819	utf8::encode $name;
		820	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		821	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		822	cf::cleanup "db_open(db): $!" if $!;
402	}	823	};
		824	cf::cleanup "db_open(db): $@" if $@;
403		825
404	my $guard = cf::lock_acquire "write_runtime";	826	$db
		827	}
405		828
406	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	829	our $DB;
407	or return;
408		830
409	my $value = $cf::RUNTIME + 90 + 10;	831	sub db_init {
410	# 10 is the runtime save interval, for a monotonic clock	832	$DB ||= db_table "db";
411	# 60 allows for the watchdog to kill the server.	833	}
412		834
413	(aio_write $fh, 0, (length $value), $value, 0) <= 0	835	sub db_get($$) {
414	and return;	836	my $key = "$_[0]/$_[1]";
415		837
416	# always fsync - this file is important	838	cf::error "db_get called from main context"
417	aio_fsync $fh	839	if $Coro::current == $Coro::main;
418	and return;
419		840
420	# touch it again to show we are up-to-date	841	BDB::db_get $DB, undef, $key, my $data;
421	utime undef, undef, $fh;
422		842
423	close $fh	843	$! ? ()
424	or return;	844	: $data
		845	}
425		846
426	aio_rename "$runtime~", $runtime	847	sub db_put($$$) {
427	and return;	848	BDB::dbreq_pri 4;
		849	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		850	}
428		851
429	warn "runtime file written.\n";#d#	852	=item cf::cache $id => [$paths...], $processversion => $process
430		853
		854	Generic caching function that returns the value of the resource $id,
		855	caching and regenerating as required.
		856
		857	This function can block.
		858
		859	=cut
		860
		861	sub cache {
		862	my ($id, $src, $processversion, $process) = @_;
		863
		864	my $meta =
		865	join "\x00",
		866	$processversion,
		867	map {
		868	aio_stat $_
		869	and Carp::croak "$_: $!";
		870
		871	($_, (stat _)[7,9])
		872	} @$src;
		873
		874	my $dbmeta = db_get cache => "$id/meta";
		875	if ($dbmeta ne $meta) {
		876	# changed, we may need to process
		877
		878	my @data;
		879	my $md5;
		880
		881	for (0 .. $#$src) {
		882	$data[$_] = load_file $src->[$_];
		883	}
		884
		885	# if processing is expensive, check
		886	# checksum first
		887	if (1) {
		888	$md5 =
		889	join "\x00",
		890	$processversion,
		891	map {
		892	cf::cede_to_tick;
		893	($src->[$_], Digest::MD5::md5_hex $data[$_])
		894	} 0.. $#$src;
		895
		896
		897	my $dbmd5 = db_get cache => "$id/md5";
		898	if ($dbmd5 eq $md5) {
		899	db_put cache => "$id/meta", $meta;
		900
		901	return db_get cache => "$id/data";
		902	}
		903	}
		904
		905	my $t1 = EV::time;
		906	my $data = $process->(\@data);
		907	my $t2 = EV::time;
		908
		909	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		910
		911	db_put cache => "$id/data", $data;
		912	db_put cache => "$id/md5" , $md5;
		913	db_put cache => "$id/meta", $meta;
		914
		915	return $data;
431	1	916	}
		917
		918	db_get cache => "$id/data"
432	}	919	}
433		920
434	=item cf::datalog type => key => value, ...	921	=item cf::datalog type => key => value, ...
435		922
436	Log a datalog packet of the given type with the given key-value pairs.	923	Log a datalog packet of the given type with the given key-value pairs.
437		924
438	=cut	925	=cut
439		926
440	sub datalog($@) {	927	sub datalog($@) {
441	my ($type, %kv) = @_;	928	my ($type, %kv) = @_;
442	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	929	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
443	}	930	}
444		931
445	=back	932	=back
446		933
447	=cut	934	=cut
448		935
449	#############################################################################	936	#############################################################################
450		937
451	=head2 ATTACHABLE OBJECTS	938	=head2 ATTACHABLE OBJECTS
452		939
453	Many objects in crossfire are so-called attachable objects. That means you can	940	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")	941	attach callbacks/event handlers (a collection of which is called an "attachment")
455	to it. All such attachable objects support the following methods.	942	to it. All such attachable objects support the following methods.
456		943
457	In the following description, CLASS can be any of C<global>, C<object>	944	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	945	C<player>, C<client> or C<map> (i.e. the attachable objects in
459	crossfire+).	946	Deliantra).
460		947
461	=over 4	948	=over 4
462		949
463	=item $attachable->attach ($attachment, key => $value...)	950	=item $attachable->attach ($attachment, key => $value...)
464		951
…		…
508	=item cf::CLASS::attachment $name, ...	995	=item cf::CLASS::attachment $name, ...
509		996
510	Register an attachment by C<$name> through which attachable objects of the	997	Register an attachment by C<$name> through which attachable objects of the
511	given CLASS can refer to this attachment.	998	given CLASS can refer to this attachment.
512		999
513	Some classes such as crossfire maps and objects can specify attachments	1000	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.	1001	that are attached at load/instantiate time, thus the need for a name.
515		1002
516	These calls expect any number of the following handler/hook descriptions:	1003	These calls expect any number of the following handler/hook descriptions:
517		1004
518	=over 4	1005	=over 4
…		…
642		1129
643	} elsif (exists $cb_id{$type}) {	1130	} elsif (exists $cb_id{$type}) {
644	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1131	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
645		1132
646	} elsif (ref $type) {	1133	} elsif (ref $type) {
647	warn "attaching objects not supported, ignoring.\n";	1134	error "attaching objects not supported, ignoring.\n";
648		1135
649	} else {	1136	} else {
650	shift @arg;	1137	shift @arg;
651	warn "attach argument '$type' not supported, ignoring.\n";	1138	error "attach argument '$type' not supported, ignoring.\n";
652	}	1139	}
653	}	1140	}
654	}	1141	}
655		1142
656	sub _object_attach {	1143	sub _object_attach {
…		…
666	_attach $registry, $klass, @attach;	1153	_attach $registry, $klass, @attach;
667	}	1154	}
668		1155
669	$obj->{$name} = \%arg;	1156	$obj->{$name} = \%arg;
670	} else {	1157	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	1158	info "object uses attachment '$name' which is not available, postponing.\n";
672	}	1159	}
673		1160
674	$obj->{_attachment}{$name} = undef;	1161	$obj->{_attachment}{$name} = undef;
675	}	1162	}
676		1163
…		…
716	";	1203	";
717	die if $@;	1204	die if $@;
718	}	1205	}
719		1206
720	our $override;	1207	our $override;
721	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1208	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
722		1209
723	sub override {	1210	sub override {
724	$override = 1;	1211	$override = 1;
725	@invoke_results = ();	1212	@INVOKE_RESULTS = (@_);
726	}	1213	}
727		1214
728	sub do_invoke {	1215	sub do_invoke {
729	my $event = shift;	1216	my $event = shift;
730	my $callbacks = shift;	1217	my $callbacks = shift;
731		1218
732	@invoke_results = ();	1219	@INVOKE_RESULTS = ();
733		1220
734	local $override;	1221	local $override;
735		1222
736	for (@$callbacks) {	1223	for (@$callbacks) {
737	eval { &{$_->[1]} };	1224	eval { &{$_->[1]} };
738		1225
739	if ($@) {	1226	if ($@) {
740	warn "$@";
741	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1227	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
742	override;	1228	override;
743	}	1229	}
744		1230
745	return 1 if $override;	1231	return 1 if $override;
746	}	1232	}
747		1233
748	0	1234	0
749	}	1235	}
750		1236
751	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1237	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
752		1238
753	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1239	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
754		1240
755	Generate an object-specific event with the given arguments.	1241	Generate an object-specific event with the given arguments.
756		1242
757	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1243	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
758	removed in future versions), and there is no public API to access override	1244	removed in future versions), and there is no public API to access override
759	results (if you must, access C<@cf::invoke_results> directly).	1245	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
760		1246
761	=back	1247	=back
762		1248
763	=cut	1249	=cut
764		1250
765	#############################################################################	1251	#############################################################################
766	# object support	1252	# object support
		1253
		1254	sub _object_equal($$);
		1255	sub _object_equal($$) {
		1256	my ($a, $b) = @_;
		1257
		1258	return 0 unless (ref $a) eq (ref $b);
		1259
		1260	if ("HASH" eq ref $a) {
		1261	my @ka = keys %$a;
		1262	my @kb = keys %$b;
		1263
		1264	return 0 if @ka != @kb;
		1265
		1266	for (0 .. $#ka) {
		1267	return 0 unless $ka[$_] eq $kb[$_];
		1268	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1269	}
		1270
		1271	} elsif ("ARRAY" eq ref $a) {
		1272
		1273	return 0 if @$a != @$b;
		1274
		1275	for (0 .. $#$a) {
		1276	return 0 unless _object_equal $a->[$_], $b->[$_];
		1277	}
		1278
		1279	} elsif ($a ne $b) {
		1280	return 0;
		1281	}
		1282
		1283	1
		1284	}
		1285
		1286	our $SLOW_MERGES;#d#
		1287	sub _can_merge {
		1288	my ($ob1, $ob2) = @_;
		1289
		1290	++$SLOW_MERGES;#d#
		1291
		1292	# we do the slow way here
		1293	return _object_equal $ob1, $ob2
		1294	}
767		1295
768	sub reattach {	1296	sub reattach {
769	# basically do the same as instantiate, without calling instantiate	1297	# basically do the same as instantiate, without calling instantiate
770	my ($obj) = @_;	1298	my ($obj) = @_;
771		1299
		1300	# no longer needed after getting rid of delete_package?
772	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1301	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
773		1302
774	my $registry = $obj->registry;	1303	my $registry = $obj->registry;
775		1304
776	@$registry = ();	1305	@$registry = ();
777		1306
…		…
782	for (@$attach) {	1311	for (@$attach) {
783	my ($klass, @attach) = @$_;	1312	my ($klass, @attach) = @$_;
784	_attach $registry, $klass, @attach;	1313	_attach $registry, $klass, @attach;
785	}	1314	}
786	} else {	1315	} else {
787	warn "object uses attachment '$name' that is not available, postponing.\n";	1316	info "object uses attachment '$name' that is not available, postponing.\n";
788	}	1317	}
789	}	1318	}
790	}	1319	}
791		1320
792	cf::attachable->attach (	1321	cf::attachable->attach (
793	prio => -1000000,	1322	prio => -1000000,
794	on_instantiate => sub {	1323	on_instantiate => sub {
795	my ($obj, $data) = @_;	1324	my ($obj, $data) = @_;
796		1325
797	$data = from_json $data;	1326	$data = decode_json $data;
798		1327
799	for (@$data) {	1328	for (@$data) {
800	my ($name, $args) = @$_;	1329	my ($name, $args) = @$_;
801		1330
802	$obj->attach ($name, %{$args || {} });	1331	$obj->attach ($name, %{$args || {} });
…		…
818	sub object_freezer_save {	1347	sub object_freezer_save {
819	my ($filename, $rdata, $objs) = @_;	1348	my ($filename, $rdata, $objs) = @_;
820		1349
821	sync_job {	1350	sync_job {
822	if (length $$rdata) {	1351	if (length $$rdata) {
		1352	utf8::decode (my $decname = $filename);
823	warn sprintf "saving %s (%d,%d)\n",	1353	trace sprintf "saving %s (%d,%d)\n",
824	$filename, length $$rdata, scalar @$objs;	1354	$decname, length $$rdata, scalar @$objs
		1355	if $VERBOSE_IO;
825		1356
826	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1357	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
827	chmod SAVE_MODE, $fh;	1358	aio_chmod $fh, SAVE_MODE;
828	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1359	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
829	aio_fsync $fh if $cf::USE_FSYNC;	1360	if ($cf::USE_FSYNC) {
		1361	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;
		1362	aio_fsync $fh;
		1363	}
830	close $fh;	1364	aio_close $fh;
831		1365
832	if (@$objs) {	1366	if (@$objs) {
833	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1367	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
834	chmod SAVE_MODE, $fh;	1368	aio_chmod $fh, SAVE_MODE;
835	my $data = Storable::nfreeze { version => 1, objs => $objs };	1369	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
836	aio_write $fh, 0, (length $data), $data, 0;	1370	aio_write $fh, 0, (length $data), $data, 0;
837	aio_fsync $fh if $cf::USE_FSYNC;	1371	if ($cf::USE_FSYNC) {
		1372	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;
		1373	aio_fsync $fh;
		1374	}
838	close $fh;	1375	aio_close $fh;
839	aio_rename "$filename.pst~", "$filename.pst";	1376	aio_rename "$filename.pst~", "$filename.pst";
840	}	1377	}
841	} else {	1378	} else {
842	aio_unlink "$filename.pst";	1379	aio_unlink "$filename.pst";
843	}	1380	}
844		1381
845	aio_rename "$filename~", $filename;	1382	aio_rename "$filename~", $filename;
		1383
		1384	$filename =~ s%/[^/]+$%%;
		1385	aio_pathsync $filename if $cf::USE_FSYNC;
846	} else {	1386	} else {
847	warn "FATAL: $filename~: $!\n";	1387	error "unable to save objects: $filename~: $!\n";
848	}	1388	}
849	} else {	1389	} else {
850	aio_unlink $filename;	1390	aio_unlink $filename;
851	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
852	}	1392	}
853	}	1393	};
854	}	1394	}
855		1395
856	sub object_freezer_as_string {	1396	sub object_freezer_as_string {
857	my ($rdata, $objs) = @_;	1397	my ($rdata, $objs) = @_;
858		1398
…		…
870	or return;	1410	or return;
871		1411
872	unless (aio_stat "$filename.pst") {	1412	unless (aio_stat "$filename.pst") {
873	(aio_load "$filename.pst", $av) >= 0	1413	(aio_load "$filename.pst", $av) >= 0
874	or return;	1414	or return;
		1415
875	$av = eval { (Storable::thaw $av)->{objs} };	1416	my $st = eval { Coro::Storable::thaw $av };
		1417	$av = $st->{objs};
876	}	1418	}
877		1419
		1420	utf8::decode (my $decname = $filename);
878	warn sprintf "loading %s (%d)\n",	1421	trace sprintf "loading %s (%d,%d)\n",
879	$filename, length $data, scalar @{$av || []};#d#	1422	$decname, length $data, scalar @{$av || []}
		1423	if $VERBOSE_IO;
		1424
880	return ($data, $av);	1425	($data, $av)
881	}	1426	}
		1427
		1428	=head2 COMMAND CALLBACKS
		1429
		1430	=over 4
		1431
		1432	=cut
882		1433
883	#############################################################################	1434	#############################################################################
884	# command handling &c	1435	# command handling &c
885		1436
886	=item cf::register_command $name => \&callback($ob,$args);	1437	=item cf::register_command $name => \&callback($ob,$args)
887		1438
888	Register a callback for execution when the client sends the user command	1439	Register a callback for execution when the client sends the user command
889	$name.	1440	$name.
890		1441
891	=cut	1442	=cut
…		…
897	#warn "registering command '$name/$time' to '$caller'";	1448	#warn "registering command '$name/$time' to '$caller'";
898		1449
899	push @{ $COMMAND{$name} }, [$caller, $cb];	1450	push @{ $COMMAND{$name} }, [$caller, $cb];
900	}	1451	}
901		1452
902	=item cf::register_extcmd $name => \&callback($pl,$packet);	1453	=item cf::register_extcmd $name => \&callback($pl,@args)
903		1454
904	Register a callbackf ro execution when the client sends an extcmd packet.	1455	Register a callback for execution when the client sends an (synchronous)
		1456	extcmd packet. Ext commands will be processed in the order they are
		1457	received by the server, like other user commands. The first argument is
		1458	the logged-in player. Ext commands can only be processed after a player
		1459	has logged in successfully.
905		1460
906	If the callback returns something, it is sent back as if reply was being	1461	The values will be sent back to the client.
907	called.
908		1462
909	=cut	1463	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
910		1464
		1465	Same as C<cf::register_extcmd>, but instead of returning values, the
		1466	callback needs to clal the C<$reply> function.
		1467
		1468	=item cf::register_exticmd $name => \&callback($ns,@args)
		1469
		1470	Register a callback for execution when the client sends an (asynchronous)
		1471	exticmd packet. Exti commands are processed by the server as soon as they
		1472	are received, i.e. out of order w.r.t. other commands. The first argument
		1473	is a client socket. Exti commands can be received anytime, even before
		1474	log-in.
		1475
		1476	The values will be sent back to the client.
		1477
		1478	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
		1479
		1480	Same as C<cf::register_extcmd>, but instead of returning values, the
		1481	callback needs to clal the C<$reply> function.
		1482
		1483	=cut
		1484
911	sub register_extcmd {	1485	sub register_extcmd($$) {
912	my ($name, $cb) = @_;	1486	my ($name, $cb) = @_;
913		1487
914	$EXTCMD{$name} = $cb;	1488	$EXTCMD{$name} = $cb;
915	}	1489	}
916		1490
		1491	sub register_async_extcmd($$) {
		1492	my ($name, $cb) = @_;
		1493
		1494	$EXTACMD{$name} = $cb;
		1495	}
		1496
		1497	sub register_exticmd($$) {
		1498	my ($name, $cb) = @_;
		1499
		1500	$EXTICMD{$name} = $cb;
		1501	}
		1502
		1503	sub register_async_exticmd($$) {
		1504	my ($name, $cb) = @_;
		1505
		1506	$EXTIACMD{$name} = $cb;
		1507	}
		1508
		1509	use File::Glob ();
		1510
917	cf::player->attach (	1511	cf::player->attach (
918	on_command => sub {	1512	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1513	my ($pl, $name, $params) = @_;
920		1514
921	my $cb = $COMMAND{$name}	1515	my $cb = $COMMAND{$name}
922	or return;	1516	or return;
923		1517
…		…
928	cf::override;	1522	cf::override;
929	},	1523	},
930	on_extcmd => sub {	1524	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1525	my ($pl, $buf) = @_;
932		1526
933	my $msg = eval { from_json $buf };	1527	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1528
935	if (ref $msg) {	1529	if (ref $msg) {
		1530	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1531
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1532	if (my $cb = $EXTACMD{$type}) {
937	if (my %reply = $cb->($pl, $msg)) {	1533	$cb->(
938	$pl->ext_reply ($msg->{msgid}, %reply);	1534	$pl,
		1535	sub {
		1536	$pl->ext_msg ("reply-$reply", @_)
		1537	if $reply;
		1538	},
		1539	@payload
		1540	);
		1541	} else {
		1542	my @reply;
		1543
		1544	if (my $cb = $EXTCMD{$type}) {
		1545	@reply = $cb->($pl, @payload);
939	}	1546	}
		1547
		1548	$pl->ext_msg ("reply-$reply", @reply)
		1549	if $reply;
940	}	1550	}
		1551
941	} else {	1552	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1553	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1554	}
944		1555
945	cf::override;	1556	cf::override;
946	},	1557	},
947	);	1558	);
948		1559
		1560	# "readahead" all extensions
949	sub load_extension {	1561	sub cache_extensions {
950	my ($path) = @_;	1562	my $grp = IO::AIO::aio_group;
951		1563
952	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1564	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
953	my $base = $1;	1565	for (grep /\.ext$/, @{$_[0]}) {
954	my $pkg = $1;	1566	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
955	$pkg =~ s/[^[:word:]]/_/g;
956	$pkg = "ext::$pkg";
957
958	warn "... loading '$path' into '$pkg'\n";
959
960	open my $fh, "<:utf8", $path
961	or die "$path: $!";
962
963	my $source =
964	"package $pkg; use strict; use utf8;\n"
965	. "#line 1 \"$path\"\n{\n"
966	. (do { local $/; <$fh> })
967	. "\n};\n1";
968
969	unless (eval $source) {
970	my $msg = $@ ? "$path: $@\n"
971	: "extension disabled.\n";
972	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
973	warn $@;
974	warn "mandatory extension failed to load, exiting.\n";
975	exit 1;
976	}	1567	}
977	die $@;
978	}	1568	};
979		1569
980	push @EXTS, $pkg;	1570	$grp
		1571	}
		1572
		1573	sub _ext_cfg_reg($$$$) {
		1574	my ($rvar, $varname, $cfgname, $default) = @_;
		1575
		1576	$cfgname = lc $varname
		1577	unless length $cfgname;
		1578
		1579	$EXT_CFG{$cfgname} = [$rvar, $default];
		1580
		1581	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
981	}	1582	}
982		1583
983	sub load_extensions {	1584	sub load_extensions {
		1585	info "loading extensions...";
		1586
		1587	%EXT_CFG = ();
		1588
		1589	cf::sync_job {
		1590	my %todo;
		1591
984	for my $ext (<$LIBDIR/*.ext>) {	1592	for my $path (<$LIBDIR/*.ext>) {
985	next unless -r $ext;	1593	next unless -r $path;
986	eval {	1594
987	load_extension $ext;	1595	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1596	my $base = $1;
		1597	my $pkg = $1;
		1598	$pkg =~ s/[^[:word:]]/_/g;
		1599	$pkg = "ext::$pkg";
		1600
		1601	open my $fh, "<:utf8", $path
		1602	or die "$path: $!";
		1603
		1604	my $source = do { local $/; <$fh> };
		1605
		1606	my %ext = (
		1607	path => $path,
		1608	base => $base,
		1609	pkg => $pkg,
		1610	);
		1611
		1612	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1613	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1614
		1615	$ext{source} =
		1616	"package $pkg; use common::sense;\n"
		1617	. "#line 1 \"$path\"\n{\n"
		1618	. $source
		1619	. "\n};\n1";
		1620
		1621	$todo{$base} = \%ext;
		1622	}
		1623
		1624	my $pass = 0;
		1625	my %done;
		1626	while (%todo) {
		1627	my $progress;
		1628
		1629	++$pass;
		1630
		1631	ext:
		1632	while (my ($k, $v) = each %todo) {
		1633	for (split /,\s*/, $v->{meta}{depends}) {
		1634	next ext
		1635	unless exists $done{$_};
		1636	}
		1637
		1638	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1639
		1640	my $source = $v->{source};
		1641
		1642	# support "CONF varname :confname = default" pseudo-statements
		1643	$source =~ s{
		1644	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1645	}{
		1646	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1647	}gmxe;
		1648
		1649	my $active = eval $source;
		1650
		1651	if (length $@) {
		1652	error "$v->{path}: $@\n";
		1653
		1654	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1655	if exists $v->{meta}{mandatory};
		1656
		1657	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1658	delete $todo{$k};
		1659	} else {
		1660	$done{$k} = delete $todo{$k};
		1661	push @EXTS, $v->{pkg};
		1662	$progress = 1;
		1663
		1664	info "$v->{base}: extension inactive.\n"
		1665	unless $active;
		1666	}
988	1	1667	}
989	} or warn "$ext not loaded: $@";	1668
		1669	unless ($progress) {
		1670	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1671
		1672	while (my ($k, $v) = each %todo) {
		1673	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1674	if exists $v->{meta}{mandatory};
		1675	}
		1676
		1677	last;
		1678	}
		1679	}
990	}	1680	};
991	}	1681	}
992		1682
993	#############################################################################	1683	#############################################################################
994		1684
		1685	=back
		1686
995	=head2 CORE EXTENSIONS	1687	=head2 CORE EXTENSIONS
996		1688
997	Functions and methods that extend core crossfire objects.	1689	Functions and methods that extend core deliantra objects.
998		1690
999	=cut	1691	=cut
1000		1692
1001	package cf::player;	1693	package cf::player;
1002		1694
1003	use Coro::AIO;	1695	use Coro::AIO;
1004		1696
1005	=head3 cf::player	1697	=head3 cf::player
1006		1698
1007	=over 4	1699	=over 4
		1700
		1701	=item cf::player::num_playing
		1702
		1703	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1704
		1705	=cut
		1706
		1707	sub num_playing {
		1708	scalar grep
		1709	$_->ob->map
		1710	&& !$_->hidden
		1711	&& !$_->ob->flag (cf::FLAG_WIZ),
		1712	cf::player::list
		1713	}
1008		1714
1009	=item cf::player::find $login	1715	=item cf::player::find $login
1010		1716
1011	Returns the given player object, loading it if necessary (might block).	1717	Returns the given player object, loading it if necessary (might block).
1012		1718
…		…
1031		1737
1032	sub exists($) {	1738	sub exists($) {
1033	my ($login) = @_;	1739	my ($login) = @_;
1034		1740
1035	$cf::PLAYER{$login}	1741	$cf::PLAYER{$login}
1036	or cf::sync_job { !aio_stat path $login }	1742	or !aio_stat path $login
1037	}	1743	}
1038		1744
1039	sub find($) {	1745	sub find($) {
1040	return $cf::PLAYER{$_[0]} || do {	1746	return $cf::PLAYER{$_[0]} || do {
1041	my $login = $_[0];	1747	my $login = $_[0];
…		…
1048	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1754	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1049	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1755	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1050	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1756	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1051	aio_unlink +(playerdir $login) . "/$login.pl";	1757	aio_unlink +(playerdir $login) . "/$login.pl";
1052		1758
1053	my $pl = load_pl path $login	1759	my $f = new_from_file cf::object::thawer path $login
1054	or return;	1760	or return;
		1761
		1762	my $pl = cf::player::load_pl $f
		1763	or return;
		1764
		1765	local $cf::PLAYER_LOADING{$login} = $pl;
		1766	$f->resolve_delayed_derefs;
1055	$cf::PLAYER{$login} = $pl	1767	$cf::PLAYER{$login} = $pl
1056	}	1768	}
1057	}	1769	}
1058	}	1770	}
		1771
		1772	cf::player->attach (
		1773	on_load => sub {
		1774	my ($pl, $path) = @_;
		1775
		1776	# restore slots saved in save, below
		1777	my $slots = delete $pl->{_slots};
		1778
		1779	$pl->ob->current_weapon ($slots->[0]);
		1780	$pl->combat_ob ($slots->[1]);
		1781	$pl->ranged_ob ($slots->[2]);
		1782	},
		1783	);
1059		1784
1060	sub save($) {	1785	sub save($) {
1061	my ($pl) = @_;	1786	my ($pl) = @_;
1062		1787
1063	return if $pl->{deny_save};	1788	return if $pl->{deny_save};
…		…
1068	return if $pl->{deny_save};	1793	return if $pl->{deny_save};
1069		1794
1070	aio_mkdir playerdir $pl, 0770;	1795	aio_mkdir playerdir $pl, 0770;
1071	$pl->{last_save} = $cf::RUNTIME;	1796	$pl->{last_save} = $cf::RUNTIME;
1072		1797
		1798	cf::get_slot 0.01;
		1799
		1800	# save slots, to be restored later
		1801	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1802
1073	$pl->save_pl ($path);	1803	$pl->save_pl ($path);
1074	Coro::cede;	1804	cf::cede_to_tick;
1075	}	1805	}
1076		1806
1077	sub new($) {	1807	sub new($) {
1078	my ($login) = @_;	1808	my ($login) = @_;
1079		1809
…		…
1085	$cf::PLAYER{$login} = $self;	1815	$cf::PLAYER{$login} = $self;
1086		1816
1087	$self	1817	$self
1088	}	1818	}
1089		1819
		1820	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1821
		1822	=cut
		1823
		1824	sub send_msg {
		1825	my $ns = shift->ns
		1826	or return;
		1827	$ns->send_msg (@_);
		1828	}
		1829
1090	=item $pl->quit_character	1830	=item $pl->quit_character
1091		1831
1092	Nukes the player without looking back. If logged in, the connection will	1832	Nukes the player without looking back. If logged in, the connection will
1093	be destroyed. May block for a long time.	1833	be destroyed. May block for a long time.
1094		1834
…		…
1098	my ($pl) = @_;	1838	my ($pl) = @_;
1099		1839
1100	my $name = $pl->ob->name;	1840	my $name = $pl->ob->name;
1101		1841
1102	$pl->{deny_save} = 1;	1842	$pl->{deny_save} = 1;
1103	$pl->password ("*"); # this should lock out the player until we nuked the dir	1843	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1104		1844
1105	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1845	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1106	$pl->deactivate;	1846	$pl->deactivate;
		1847
		1848	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1107	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1849	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1850	ext::highscore::check ($pl->ob);
		1851
1108	$pl->ns->destroy if $pl->ns;	1852	$pl->ns->destroy if $pl->ns;
1109		1853
1110	my $path = playerdir $pl;	1854	my $path = playerdir $pl;
1111	my $temp = "$path~$cf::RUNTIME~deleting~";	1855	my $temp = "$path~$cf::RUNTIME~deleting~";
1112	aio_rename $path, $temp;	1856	aio_rename $path, $temp;
…		…
1147	or return [];	1891	or return [];
1148		1892
1149	my @logins;	1893	my @logins;
1150		1894
1151	for my $login (@$dirs) {	1895	for my $login (@$dirs) {
		1896	my $path = path $login;
		1897
		1898	# a .pst is a dead give-away for a valid player
		1899	# if no pst file found, open and chekc for blocked users
		1900	if (aio_stat "$path.pst") {
1152	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1901	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1153	aio_read $fh, 0, 512, my $buf, 0 or next;	1902	aio_read $fh, 0, 512, my $buf, 0 or next;
1154	$buf !~ /^password -------------$/m or next; # official not-valid tag	1903	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1904	}
1155		1905
1156	utf8::decode $login;	1906	utf8::decode $login;
1157	push @logins, $login;	1907	push @logins, $login;
1158	}	1908	}
1159		1909
1160	\@logins	1910	\@logins
1161	}	1911	}
1162		1912
1163	=item $player->maps	1913	=item $player->maps
		1914
		1915	=item cf::player::maps $login
1164		1916
1165	Returns an arrayref of map paths that are private for this	1917	Returns an arrayref of map paths that are private for this
1166	player. May block.	1918	player. May block.
1167		1919
1168	=cut	1920	=cut
…		…
1186	}	1938	}
1187		1939
1188	\@paths	1940	\@paths
1189	}	1941	}
1190		1942
1191	=item $player->ext_reply ($msgid, %msg)	1943	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1192		1944
1193	Sends an ext reply to the player.	1945	Expand deliantra pod fragments into protocol xml.
1194		1946
1195	=cut
1196
1197	sub ext_reply($$%) {
1198	my ($self, $id, %msg) = @_;
1199
1200	$msg{msgid} = $id;
1201
1202	$self->send ("ext " . cf::to_json \%msg);
1203	}
1204
1205	=item $player->ext_event ($type, %msg)	1947	=item $player->ext_msg ($type, @msg)
1206		1948
1207	Sends an ext event to the client.	1949	Sends an ext event to the client.
1208		1950
1209	=cut	1951	=cut
1210		1952
1211	sub ext_event($$%) {	1953	sub ext_msg($$@) {
1212	my ($self, $type, %msg) = @_;	1954	my ($self, $type, @msg) = @_;
1213		1955
1214	$self->ns->ext_event ($type, %msg);	1956	$self->ns->ext_msg ($type, @msg);
1215	}	1957	}
1216		1958
1217	=head3 cf::region	1959	=head3 cf::region
1218		1960
1219	=over 4	1961	=over 4
…		…
1222		1964
1223	package cf::region;	1965	package cf::region;
1224		1966
1225	=item cf::region::find_by_path $path	1967	=item cf::region::find_by_path $path
1226		1968
1227	Tries to decuce the probable region for a map knowing only its path.	1969	Tries to decuce the likely region for a map knowing only its path.
1228		1970
1229	=cut	1971	=cut
1230		1972
1231	sub find_by_path($) {	1973	sub find_by_path($) {
1232	my ($path) = @_;	1974	my ($path) = @_;
1233		1975
		1976	$path =~ s/^~[^\/]*//; # skip ~login
		1977
1234	my ($match, $specificity);	1978	my ($match, $specificity);
1235		1979
1236	for my $region (list) {	1980	for my $region (list) {
1237	if ($region->match && $path =~ $region->match) {	1981	if ($region->{match} && $path =~ $region->{match}) {
1238	($match, $specificity) = ($region, $region->specificity)	1982	($match, $specificity) = ($region, $region->specificity)
1239	if $region->specificity > $specificity;	1983	if $region->specificity > $specificity;
1240	}	1984	}
1241	}	1985	}
1242		1986
…		…
1263	our $MAX_RESET = 3600;	2007	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	2008	our $DEFAULT_RESET = 3000;
1265		2009
1266	sub generate_random_map {	2010	sub generate_random_map {
1267	my ($self, $rmp) = @_;	2011	my ($self, $rmp) = @_;
1268	# mit "rum" bekleckern, nicht	2012
		2013	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2014
1269	$self->_create_random_map (	2015	$self->_create_random_map ($rmp);
1270	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1271	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1272	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1273	$rmp->{exit_on_final_map},
1274	$rmp->{xsize}, $rmp->{ysize},
1275	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1276	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1277	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1278	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1279	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1280	(cf::region::find $rmp->{region}), $rmp->{custom}
1281	)
1282	}	2016	}
1283		2017
1284	=item cf::map->register ($regex, $prio)	2018	=item cf::map->register ($regex, $prio)
1285		2019
1286	Register a handler for the map path matching the given regex at the	2020	Register a handler for the map path matching the given regex at the
…		…
1291		2025
1292	sub register {	2026	sub register {
1293	my (undef, $regex, $prio) = @_;	2027	my (undef, $regex, $prio) = @_;
1294	my $pkg = caller;	2028	my $pkg = caller;
1295		2029
1296	no strict;
1297	push @{"$pkg\::ISA"}, __PACKAGE__;	2030	push @{"$pkg\::ISA"}, __PACKAGE__;
1298		2031
1299	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2032	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1300	}	2033	}
1301		2034
1302	# also paths starting with '/'	2035	# also paths starting with '/'
1303	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2036	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1304		2037
1305	sub thawer_merge {	2038	sub thawer_merge {
1306	my ($self, $merge) = @_;	2039	my ($self, $merge) = @_;
1307		2040
1308	# we have to keep some variables in memory intact	2041	# we have to keep some variables in memory intact
1309	local $self->{path};	2042	local $self->{path};
1310	local $self->{load_path};	2043	local $self->{load_path};
1311	local $self->{deny_save};
1312	local $self->{deny_reset};
1313		2044
1314	$self->SUPER::thawer_merge ($merge);	2045	$self->SUPER::thawer_merge ($merge);
1315	}	2046	}
1316		2047
1317	sub normalise {	2048	sub normalise {
1318	my ($path, $base) = @_;	2049	my ($path, $base) = @_;
1319		2050
1320	$path = "$path"; # make sure its a string	2051	$path = "$path"; # make sure it's a string
1321		2052
1322	$path =~ s/\.map$//;	2053	$path =~ s/\.map$//;
1323		2054
1324	# map plan:	2055	# map plan:
1325	#	2056	#
…		…
1340	$base =~ s{[^/]+/?$}{};	2071	$base =~ s{[^/]+/?$}{};
1341	$path = "$base/$path";	2072	$path = "$base/$path";
1342	}	2073	}
1343		2074
1344	for ($path) {	2075	for ($path) {
1345	redo if s{//}{/};
1346	redo if s{/\.?/}{/};	2076	redo if s{/\.?/}{/};
1347	redo if s{/[^/]+/\.\./}{/};	2077	redo if s{/[^/]+/\.\./}{/};
1348	}	2078	}
1349		2079
1350	$path	2080	$path
…		…
1364	$self->init; # pass $1 etc.	2094	$self->init; # pass $1 etc.
1365	return $self;	2095	return $self;
1366	}	2096	}
1367	}	2097	}
1368		2098
1369	Carp::carp "unable to resolve path '$path' (base '$base').";	2099	Carp::cluck "unable to resolve path '$path' (base '$base')";
1370	()	2100	()
1371	}	2101	}
1372		2102
		2103	# may re-bless or do other evil things
1373	sub init {	2104	sub init {
1374	my ($self) = @_;	2105	my ($self) = @_;
1375		2106
1376	$self	2107	$self
1377	}	2108	}
…		…
1396		2127
1397	# the temporary/swap location	2128	# the temporary/swap location
1398	sub save_path {	2129	sub save_path {
1399	my ($self) = @_;	2130	my ($self) = @_;
1400		2131
1401	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2132	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1402	"$TMPDIR/$path.map"	2133	"$TMPDIR/$path.map"
1403	}	2134	}
1404		2135
1405	# the unique path, undef == no special unique path	2136	# the unique path, undef == no special unique path
1406	sub uniq_path {	2137	sub uniq_path {
1407	my ($self) = @_;	2138	my ($self) = @_;
1408		2139
1409	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2140	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1410	"$UNIQUEDIR/$path"	2141	"$UNIQUEDIR/$path"
1411	}	2142	}
1412		2143
1413	# and all this just because we cannot iterate over	2144	sub decay_objects {
1414	# all maps in C++...
1415	sub change_all_map_light {
1416	my ($change) = @_;	2145	my ($self) = @_;
1417		2146
1418	$_->change_map_light ($change)	2147	return if $self->{deny_reset};
1419	for grep $_->outdoor, values %cf::MAP;	2148
		2149	$self->do_decay_objects;
1420	}	2150	}
1421		2151
1422	sub unlink_save {	2152	sub unlink_save {
1423	my ($self) = @_;	2153	my ($self) = @_;
1424		2154
…		…
1429		2159
1430	sub load_header_from($) {	2160	sub load_header_from($) {
1431	my ($self, $path) = @_;	2161	my ($self, $path) = @_;
1432		2162
1433	utf8::encode $path;	2163	utf8::encode $path;
1434	#aio_open $path, O_RDONLY, 0	2164	my $f = new_from_file cf::object::thawer $path
1435	# or return;
1436
1437	$self->_load_header ($path)
1438	or return;	2165	or return;
1439		2166
		2167	$self->_load_header ($f)
		2168	or return;
		2169
		2170	local $MAP_LOADING{$self->{path}} = $self;
		2171	$f->resolve_delayed_derefs;
		2172
1440	$self->{load_path} = $path;	2173	$self->{load_path} = $path;
1441		2174
1442	1	2175	1
1443	}	2176	}
1444		2177
		2178	# used to laod the header of an original map
1445	sub load_header_orig {	2179	sub load_header_orig {
1446	my ($self) = @_;	2180	my ($self) = @_;
1447		2181
1448	$self->load_header_from ($self->load_path)	2182	$self->load_header_from ($self->load_path)
1449	}	2183	}
1450		2184
		2185	# used to laod the header of an instantiated map
1451	sub load_header_temp {	2186	sub load_header_temp {
1452	my ($self) = @_;	2187	my ($self) = @_;
1453		2188
1454	$self->load_header_from ($self->save_path)	2189	$self->load_header_from ($self->save_path)
1455	}	2190	}
1456		2191
		2192	# called after loading the header from an instantiated map
1457	sub prepare_temp {	2193	sub prepare_temp {
1458	my ($self) = @_;	2194	my ($self) = @_;
1459		2195
1460	$self->last_access ((delete $self->{last_access})	2196	$self->last_access ((delete $self->{last_access})
1461	|| $cf::RUNTIME); #d#	2197	|| $cf::RUNTIME); #d#
1462	# safety	2198	# safety
1463	$self->{instantiate_time} = $cf::RUNTIME	2199	$self->{instantiate_time} = $cf::RUNTIME
1464	if $self->{instantiate_time} > $cf::RUNTIME;	2200	if $self->{instantiate_time} > $cf::RUNTIME;
1465	}	2201	}
1466		2202
		2203	# called after loading the header from an original map
1467	sub prepare_orig {	2204	sub prepare_orig {
1468	my ($self) = @_;	2205	my ($self) = @_;
1469		2206
1470	$self->{load_original} = 1;	2207	$self->{load_original} = 1;
1471	$self->{instantiate_time} = $cf::RUNTIME;	2208	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1482	$self->load_header_orig	2219	$self->load_header_orig
1483	or return;	2220	or return;
1484	$self->prepare_orig;	2221	$self->prepare_orig;
1485	}	2222	}
1486		2223
		2224	$self->{deny_reset} = 1
		2225	if $self->no_reset;
		2226
1487	$self->default_region (cf::region::find_by_path $self->{path})	2227	$self->default_region (cf::region::find_by_path $self->{path})
1488	unless $self->default_region;	2228	unless $self->default_region;
1489		2229
1490	1	2230	1
1491	}	2231	}
1492		2232
1493	sub find;	2233	sub find;
1494	sub find {	2234	sub find {
1495	my ($path, $origin) = @_;	2235	my ($path, $origin) = @_;
1496		2236
		2237	cf::cede_to_tick;
		2238
1497	$path = normalise $path, $origin && $origin->path;	2239	$path = normalise $path, $origin;
1498		2240
		2241	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1499	cf::lock_wait "map_find:$path";	2242	my $guard2 = cf::lock_acquire "map_find:$path";
1500		2243
1501	$cf::MAP{$path} || do {	2244	$cf::MAP{$path} || do {
1502	my $guard = cf::lock_acquire "map_find:$path";
1503	my $map = new_from_path cf::map $path	2245	my $map = new_from_path cf::map $path
1504	or return;	2246	or return;
1505		2247
1506	$map->{last_save} = $cf::RUNTIME;	2248	$map->{last_save} = $cf::RUNTIME;
1507		2249
1508	$map->load_header	2250	$map->load_header
1509	or return;	2251	or return;
1510		2252
1511	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2253	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1512	# doing this can freeze the server in a sync job, obviously	2254	# doing this can freeze the server in a sync job, obviously
1513	#$cf::WAIT_FOR_TICK->wait;	2255	#$cf::WAIT_FOR_TICK->wait;
		2256	undef $guard2;
		2257	undef $guard1;
1514	$map->reset;	2258	$map->reset;
1515	undef $guard;
1516	return find $path;	2259	return find $path;
1517	}	2260	}
1518		2261
1519	$cf::MAP{$path} = $map	2262	$cf::MAP{$path} = $map
1520	}	2263	}
1521	}	2264	}
1522		2265
1523	sub pre_load { }	2266	sub pre_load { }
1524	sub post_load { }	2267	#sub post_load { } # XS
1525		2268
1526	sub load {	2269	sub load {
1527	my ($self) = @_;	2270	my ($self) = @_;
1528		2271
1529	local $self->{deny_reset} = 1; # loading can take a long time	2272	local $self->{deny_reset} = 1; # loading can take a long time
1530		2273
1531	my $path = $self->{path};	2274	my $path = $self->{path};
1532		2275
1533	{	2276	{
1534	my $guard = cf::lock_acquire "map_load:$path";	2277	my $guard = cf::lock_acquire "map_data:$path";
1535		2278
		2279	return unless $self->valid;
1536	return if $self->in_memory != cf::MAP_SWAPPED;	2280	return unless $self->state == cf::MAP_SWAPPED;
1537
1538	$self->in_memory (cf::MAP_LOADING);
1539		2281
1540	$self->alloc;	2282	$self->alloc;
1541		2283
1542	$self->pre_load;	2284	$self->pre_load;
1543	Coro::cede;	2285	cf::cede_to_tick;
1544		2286
1545	$self->_load_objects ($self->{load_path}, 1)	2287	if (exists $self->{load_path}) {
		2288	my $f = new_from_file cf::object::thawer $self->{load_path};
		2289	$f->skip_block;
		2290	$self->_load_objects ($f)
1546	or return;	2291	or return;
1547		2292
1548	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2293	$self->post_load_original
1549	if delete $self->{load_original};	2294	if delete $self->{load_original};
1550		2295
1551	if (my $uniq = $self->uniq_path) {	2296	if (my $uniq = $self->uniq_path) {
1552	utf8::encode $uniq;	2297	utf8::encode $uniq;
1553	if (aio_open $uniq, O_RDONLY, 0) {	2298	unless (aio_stat $uniq) {
		2299	if (my $f = new_from_file cf::object::thawer $uniq) {
1554	$self->clear_unique_items;	2300	$self->clear_unique_items;
1555	$self->_load_objects ($uniq, 0);	2301	$self->_load_objects ($f);
		2302	$f->resolve_delayed_derefs;
		2303	}
		2304	}
1556	}	2305	}
1557	}
1558		2306
1559	Coro::cede;	2307	$f->resolve_delayed_derefs;
		2308	} else {
		2309	$self->post_load_original
		2310	if delete $self->{load_original};
		2311	}
		2312
		2313	$self->state (cf::MAP_INACTIVE);
		2314
		2315	cf::cede_to_tick;
1560	# now do the right thing for maps	2316	# now do the right thing for maps
1561	$self->link_multipart_objects;	2317	$self->link_multipart_objects;
1562	$self->difficulty ($self->estimate_difficulty)	2318	$self->difficulty ($self->estimate_difficulty)
1563	unless $self->difficulty;	2319	unless $self->difficulty;
1564	Coro::cede;	2320	cf::cede_to_tick;
1565		2321
1566	unless ($self->{deny_activate}) {	2322	unless ($self->{deny_activate}) {
1567	$self->decay_objects;	2323	$self->decay_objects;
1568	$self->fix_auto_apply;	2324	$self->fix_auto_apply;
1569	$self->update_buttons;	2325	$self->update_buttons;
1570	Coro::cede;	2326	cf::cede_to_tick;
1571	$self->set_darkness_map;	2327	#$self->activate; # no longer activate maps automatically
1572	Coro::cede;
1573	$self->activate;
1574	}	2328	}
1575		2329
1576	$self->in_memory (cf::MAP_IN_MEMORY);	2330	$self->{last_save} = $cf::RUNTIME;
		2331	$self->last_access ($cf::RUNTIME);
1577	}	2332	}
1578		2333
1579	$self->post_load;	2334	$self->post_load;
1580	}
1581		2335
		2336	1
		2337	}
		2338
		2339	# customize the map for a given player, i.e.
		2340	# return the _real_ map. used by e.g. per-player
		2341	# maps to change the path to ~playername/mappath
1582	sub customise_for {	2342	sub customise_for {
1583	my ($self, $ob) = @_;	2343	my ($self, $ob) = @_;
1584		2344
1585	return find "~" . $ob->name . "/" . $self->{path}	2345	return find "~" . $ob->name . "/" . $self->{path}
1586	if $self->per_player;	2346	if $self->per_player;
1587		2347
		2348	# return find "?party/" . $ob->name . "/" . $self->{path}
		2349	# if $self->per_party;
		2350
1588	$self	2351	$self
1589	}
1590
1591	# find and load all maps in the 3x3 area around a map
1592	sub load_diag {
1593	my ($map) = @_;
1594
1595	my @diag; # diagonal neighbours
1596
1597	for (0 .. 3) {
1598	my $neigh = $map->tile_path ($_)
1599	or next;
1600	$neigh = find $neigh, $map
1601	or next;
1602	$neigh->load;
1603
1604	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1605	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1606	}
1607
1608	for (@diag) {
1609	my $neigh = find @$_
1610	or next;
1611	$neigh->load;
1612	}
1613	}	2352	}
1614		2353
1615	sub find_sync {	2354	sub find_sync {
1616	my ($path, $origin) = @_;	2355	my ($path, $origin) = @_;
1617		2356
1618	cf::sync_job { find $path, $origin }	2357	# it's a bug to call this from the main context
		2358	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2359	if $Coro::current == $Coro::main;
		2360
		2361	find $path, $origin
1619	}	2362	}
1620		2363
1621	sub do_load_sync {	2364	sub do_load_sync {
1622	my ($map) = @_;	2365	my ($map) = @_;
1623		2366
1624	cf::sync_job { $map->load };	2367	# it's a bug to call this from the main context
		2368	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2369	if $Coro::current == $Coro::main;
		2370
		2371	$map->load;
1625	}	2372	}
1626		2373
1627	our %MAP_PREFETCH;	2374	our %MAP_PREFETCH;
1628	our $MAP_PREFETCHER = undef;	2375	our $MAP_PREFETCHER = undef;
1629		2376
1630	sub find_async {	2377	sub find_async {
1631	my ($path, $origin) = @_;	2378	my ($path, $origin, $load) = @_;
1632		2379
1633	$path = normalise $path, $origin && $origin->{path};	2380	$path = normalise $path, $origin;
1634		2381
1635	if (my $map = $cf::MAP{$path}) {	2382	if (my $map = $cf::MAP{$path}) {
1636	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2383	return $map if !$load || $map->linkable;
1637	}	2384	}
1638		2385
1639	undef $MAP_PREFETCH{$path};	2386	$MAP_PREFETCH{$path} |= $load;
		2387
1640	$MAP_PREFETCHER ||= cf::async {	2388	$MAP_PREFETCHER ||= cf::async {
		2389	$Coro::current->{desc} = "map prefetcher";
		2390
1641	while (%MAP_PREFETCH) {	2391	while (%MAP_PREFETCH) {
1642	for my $path (keys %MAP_PREFETCH) {	2392	while (my ($k, $v) = each %MAP_PREFETCH) {
1643	my $map = find $path	2393	if (my $map = find $k) {
1644	or next;
1645	$map->load;	2394	$map->load if $v;
		2395	}
1646		2396
1647	delete $MAP_PREFETCH{$path};	2397	delete $MAP_PREFETCH{$k};
1648	}	2398	}
1649	}	2399	}
1650	undef $MAP_PREFETCHER;	2400	undef $MAP_PREFETCHER;
1651	};	2401	};
1652	$MAP_PREFETCHER->prio (6);	2402	$MAP_PREFETCHER->prio (6);
1653		2403
1654	()	2404	()
1655	}	2405	}
1656		2406
		2407	# common code, used by both ->save and ->swapout
1657	sub save {	2408	sub _save {
1658	my ($self) = @_;	2409	my ($self) = @_;
1659
1660	my $lock = cf::lock_acquire "map_data:" . $self->path;
1661		2410
1662	$self->{last_save} = $cf::RUNTIME;	2411	$self->{last_save} = $cf::RUNTIME;
1663		2412
1664	return unless $self->dirty;	2413	return unless $self->dirty;
1665		2414
…		…
1671	return if $self->{deny_save};	2420	return if $self->{deny_save};
1672		2421
1673	local $self->{last_access} = $self->last_access;#d#	2422	local $self->{last_access} = $self->last_access;#d#
1674		2423
1675	cf::async {	2424	cf::async {
		2425	$Coro::current->{desc} = "map player save";
1676	$_->contr->save for $self->players;	2426	$_->contr->save for $self->players;
1677	};	2427	};
		2428
		2429	cf::get_slot 0.02;
1678		2430
1679	if ($uniq) {	2431	if ($uniq) {
1680	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2432	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1681	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2433	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1682	} else {	2434	} else {
1683	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2435	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1684	}	2436	}
1685	}	2437	}
1686		2438
		2439	sub save {
		2440	my ($self) = @_;
		2441
		2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2443
		2444	$self->_save;
		2445	}
		2446
1687	sub swap_out {	2447	sub swap_out {
1688	my ($self) = @_;	2448	my ($self) = @_;
1689		2449
1690	# save first because save cedes
1691	$self->save;
1692
1693	my $lock = cf::lock_acquire "map_data:" . $self->path;	2450	my $lock = cf::lock_acquire "map_data:$self->{path}";
1694		2451
		2452	return if !$self->linkable;
		2453	return if $self->{deny_save};
1695	return if $self->players;	2454	return if $self->players;
1696	return if $self->in_memory != cf::MAP_IN_MEMORY;
1697	return if $self->{deny_save};
1698		2455
		2456	# first deactivate the map and "unlink" it from the core
		2457	$self->deactivate;
		2458	$_->clear_links_to ($self) for values %cf::MAP;
		2459	$self->state (cf::MAP_SWAPPED);
		2460
		2461	# then atomically save
		2462	$self->_save;
		2463
		2464	# then free the map
1699	$self->clear;	2465	$self->clear;
1700	$self->in_memory (cf::MAP_SWAPPED);
1701	}	2466	}
1702		2467
1703	sub reset_at {	2468	sub reset_at {
1704	my ($self) = @_;	2469	my ($self) = @_;
1705		2470
1706	# TODO: safety, remove and allow resettable per-player maps	2471	# TODO: safety, remove and allow resettable per-player maps
1707	return 1e99 if $self->isa ("ext::map_per_player");#d#
1708	return 1e99 if $self->{deny_reset};	2472	return 1e99 if $self->{deny_reset};
1709		2473
1710	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2474	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1711	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2475	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1712		2476
…		…
1723	my ($self) = @_;	2487	my ($self) = @_;
1724		2488
1725	my $lock = cf::lock_acquire "map_data:$self->{path}";	2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
1726		2490
1727	return if $self->players;	2491	return if $self->players;
1728	return if $self->isa ("ext::map_per_player");#d#
1729		2492
1730	warn "resetting map ", $self->path;#d#	2493	cf::trace "resetting map ", $self->path, "\n";
1731		2494
1732	$self->in_memory (cf::MAP_SWAPPED);	2495	$self->state (cf::MAP_SWAPPED);
1733		2496
1734	# need to save uniques path	2497	# need to save uniques path
1735	unless ($self->{deny_save}) {	2498	unless ($self->{deny_save}) {
1736	my $uniq = $self->uniq_path; utf8::encode $uniq;	2499	my $uniq = $self->uniq_path; utf8::encode $uniq;
1737		2500
…		…
1739	if $uniq;	2502	if $uniq;
1740	}	2503	}
1741		2504
1742	delete $cf::MAP{$self->path};	2505	delete $cf::MAP{$self->path};
1743		2506
		2507	$self->deactivate;
		2508	$_->clear_links_to ($self) for values %cf::MAP;
1744	$self->clear;	2509	$self->clear;
1745
1746	$_->clear_links_to ($self) for values %cf::MAP;
1747		2510
1748	$self->unlink_save;	2511	$self->unlink_save;
1749	$self->destroy;	2512	$self->destroy;
1750	}	2513	}
1751		2514
1752	my $nuke_counter = "aaaa";	2515	my $nuke_counter = "aaaa";
1753		2516
1754	sub nuke {	2517	sub nuke {
1755	my ($self) = @_;	2518	my ($self) = @_;
1756		2519
		2520	{
		2521	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2522
1757	delete $cf::MAP{$self->path};	2523	delete $cf::MAP{$self->path};
1758		2524
1759	$self->unlink_save;	2525	$self->unlink_save;
1760		2526
1761	bless $self, "cf::map";	2527	bless $self, "cf::map::wrap";
1762	delete $self->{deny_reset};	2528	delete $self->{deny_reset};
1763	$self->{deny_save} = 1;	2529	$self->{deny_save} = 1;
1764	$self->reset_timeout (1);	2530	$self->reset_timeout (1);
1765	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2531	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1766		2532
1767	$cf::MAP{$self->path} = $self;	2533	$cf::MAP{$self->path} = $self;
		2534	}
1768		2535
1769	$self->reset; # polite request, might not happen	2536	$self->reset; # polite request, might not happen
		2537	}
		2538
		2539	=item $maps = cf::map::tmp_maps
		2540
		2541	Returns an arrayref with all map paths of currently instantiated and saved
		2542	maps. May block.
		2543
		2544	=cut
		2545
		2546	sub tmp_maps() {
		2547	[
		2548	map {
		2549	utf8::decode $_;
		2550	/\.map$/
		2551	? normalise $_
		2552	: ()
		2553	} @{ aio_readdir $TMPDIR or [] }
		2554	]
		2555	}
		2556
		2557	=item $maps = cf::map::random_maps
		2558
		2559	Returns an arrayref with all map paths of currently instantiated and saved
		2560	random maps. May block.
		2561
		2562	=cut
		2563
		2564	sub random_maps() {
		2565	[
		2566	map {
		2567	utf8::decode $_;
		2568	/\.map$/
		2569	? normalise "?random/$_"
		2570	: ()
		2571	} @{ aio_readdir $RANDOMDIR or [] }
		2572	]
1770	}	2573	}
1771		2574
1772	=item cf::map::unique_maps	2575	=item cf::map::unique_maps
1773		2576
1774	Returns an arrayref of paths of all shared maps that have	2577	Returns an arrayref of paths of all shared maps that have
1775	instantiated unique items. May block.	2578	instantiated unique items. May block.
1776		2579
1777	=cut	2580	=cut
1778		2581
1779	sub unique_maps() {	2582	sub unique_maps() {
1780	my $files = aio_readdir $UNIQUEDIR	2583	[
1781	or return;	2584	map {
1782
1783	my @paths;
1784
1785	for (@$files) {
1786	utf8::decode $_;	2585	utf8::decode $_;
1787	next if /\.pst$/;	2586	s/\.map$//; # TODO future compatibility hack
1788	next unless /^$PATH_SEP/o;	2587	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1789		2588	? ()
1790	push @paths, cf::map::normalise $_;	2589	: normalise $_
		2590	} @{ aio_readdir $UNIQUEDIR or [] }
1791	}	2591	]
1792
1793	\@paths
1794	}	2592	}
1795		2593
1796	package cf;	2594	=item cf::map::static_maps
		2595
		2596	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2597	file in the shared directory excluding F</styles> and F</editor>). May
		2598	block.
		2599
		2600	=cut
		2601
		2602	sub static_maps() {
		2603	my @dirs = "";
		2604	my @maps;
		2605
		2606	while (@dirs) {
		2607	my $dir = shift @dirs;
		2608
		2609	next if $dir eq "/styles" || $dir eq "/editor";
		2610
		2611	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2612	or return;
		2613
		2614	for (@$files) {
		2615	s/\.map$// or next;
		2616	utf8::decode $_;
		2617	push @maps, "$dir/$_";
		2618	}
		2619
		2620	push @dirs, map "$dir/$_", @$dirs;
		2621	}
		2622
		2623	\@maps
		2624	}
1797		2625
1798	=back	2626	=back
1799		2627
1800	=head3 cf::object	2628	=head3 cf::object
1801		2629
…		…
1805		2633
1806	=over 4	2634	=over 4
1807		2635
1808	=item $ob->inv_recursive	2636	=item $ob->inv_recursive
1809		2637
1810	Returns the inventory of the object _and_ their inventories, recursively.	2638	Returns the inventory of the object I<and> their inventories, recursively,
		2639	but I<not> the object itself.
1811		2640
1812	=cut	2641	=cut
1813		2642
1814	sub inv_recursive_;	2643	sub inv_recursive_;
1815	sub inv_recursive_ {	2644	sub inv_recursive_ {
…		…
1818		2647
1819	sub inv_recursive {	2648	sub inv_recursive {
1820	inv_recursive_ inv $_[0]	2649	inv_recursive_ inv $_[0]
1821	}	2650	}
1822		2651
		2652	=item $ref = $ob->ref
		2653
		2654	Creates and returns a persistent reference to an object that can be stored as a string.
		2655
		2656	=item $ob = cf::object::deref ($refstring)
		2657
		2658	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2659	even if the object actually exists. May block.
		2660
		2661	=cut
		2662
		2663	sub deref {
		2664	my ($ref) = @_;
		2665
		2666	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2667	my ($uuid, $name) = ($1, $2);
		2668	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2669	or return;
		2670	$pl->ob->uuid eq $uuid
		2671	or return;
		2672
		2673	$pl->ob
		2674	} else {
		2675	warn "$ref: cannot resolve object reference\n";
		2676	undef
		2677	}
		2678	}
		2679
1823	package cf;	2680	package cf;
1824		2681
1825	=back	2682	=back
1826		2683
1827	=head3 cf::object::player	2684	=head3 cf::object::player
…		…
1833	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2690	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1834	can be C<undef>. Does the right thing when the player is currently in a	2691	can be C<undef>. Does the right thing when the player is currently in a
1835	dialogue with the given NPC character.	2692	dialogue with the given NPC character.
1836		2693
1837	=cut	2694	=cut
		2695
		2696	our $SAY_CHANNEL = {
		2697	id => "say",
		2698	title => "Map",
		2699	reply => "say ",
		2700	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2701	};
		2702
		2703	our $CHAT_CHANNEL = {
		2704	id => "chat",
		2705	title => "Chat",
		2706	reply => "chat ",
		2707	tooltip => "Player chat and shouts, global to the server.",
		2708	};
1838		2709
1839	# rough implementation of a future "reply" method that works	2710	# rough implementation of a future "reply" method that works
1840	# with dialog boxes.	2711	# with dialog boxes.
1841	#TODO: the first argument must go, split into a $npc->reply_to ( method	2712	#TODO: the first argument must go, split into a $npc->reply_to ( method
1842	sub cf::object::player::reply($$$;$) {	2713	sub cf::object::player::reply($$$;$) {
…		…
1844		2715
1845	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2716	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1846		2717
1847	if ($self->{record_replies}) {	2718	if ($self->{record_replies}) {
1848	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2719	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2720
1849	} else {	2721	} else {
		2722	my $pl = $self->contr;
		2723
		2724	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2725	my $dialog = $pl->{npc_dialog};
		2726	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2727
		2728	} else {
1850	$msg = $npc->name . " says: $msg" if $npc;	2729	$msg = $npc->name . " says: $msg" if $npc;
1851	$self->message ($msg, $flags);	2730	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2731	}
1852	}	2732	}
		2733	}
		2734
		2735	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2736
		2737	=cut
		2738
		2739	sub cf::object::send_msg {
		2740	my $pl = shift->contr
		2741	or return;
		2742	$pl->send_msg (@_);
1853	}	2743	}
1854		2744
1855	=item $player_object->may ("access")	2745	=item $player_object->may ("access")
1856		2746
1857	Returns wether the given player is authorized to access resource "access"	2747	Returns wether the given player is authorized to access resource "access"
…		…
1870		2760
1871	=item $player_object->enter_link	2761	=item $player_object->enter_link
1872		2762
1873	Freezes the player and moves him/her to a special map (C<{link}>).	2763	Freezes the player and moves him/her to a special map (C<{link}>).
1874		2764
1875	The player should be reasonably safe there for short amounts of time. You	2765	The player should be reasonably safe there for short amounts of time (e.g.
1876	I<MUST> call C<leave_link> as soon as possible, though.	2766	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2767	though, as the player cannot control the character while it is on the link
		2768	map.
1877		2769
1878	Will never block.	2770	Will never block.
1879		2771
1880	=item $player_object->leave_link ($map, $x, $y)	2772	=item $player_object->leave_link ($map, $x, $y)
1881		2773
…		…
1901	sub cf::object::player::enter_link {	2793	sub cf::object::player::enter_link {
1902	my ($self) = @_;	2794	my ($self) = @_;
1903		2795
1904	$self->deactivate_recursive;	2796	$self->deactivate_recursive;
1905		2797
		2798	++$self->{_link_recursion};
		2799
1906	return if UNIVERSAL::isa $self->map, "ext::map_link";	2800	return if UNIVERSAL::isa $self->map, "ext::map_link";
1907		2801
1908	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2802	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1909	if $self->map;	2803	if $self->map && $self->map->{path} ne "{link}";
1910		2804
1911	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2805	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1912	}	2806	}
1913		2807
1914	sub cf::object::player::leave_link {	2808	sub cf::object::player::leave_link {
1915	my ($self, $map, $x, $y) = @_;	2809	my ($self, $map, $x, $y) = @_;
		2810
		2811	return unless $self->contr->active;
1916		2812
1917	my $link_pos = delete $self->{_link_pos};	2813	my $link_pos = delete $self->{_link_pos};
1918		2814
1919	unless ($map) {	2815	unless ($map) {
1920	# restore original map position	2816	# restore original map position
…		…
1931	($x, $y) = (-1, -1)	2827	($x, $y) = (-1, -1)
1932	unless (defined $x) && (defined $y);	2828	unless (defined $x) && (defined $y);
1933		2829
1934	# use -1 or undef as default coordinates, not 0, 0	2830	# use -1 or undef as default coordinates, not 0, 0
1935	($x, $y) = ($map->enter_x, $map->enter_y)	2831	($x, $y) = ($map->enter_x, $map->enter_y)
1936	if $x <=0 && $y <= 0;	2832	if $x <= 0 && $y <= 0;
1937		2833
1938	$map->load;	2834	$map->load;
1939	$map->load_diag;
1940		2835
1941	return unless $self->contr->active;	2836	return unless $self->contr->active;
1942	$self->activate_recursive;
1943		2837
1944	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2838	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1945	$self->enter_map ($map, $x, $y);	2839	if ($self->enter_map ($map, $x, $y)) {
1946	}	2840	# entering was successful
1947		2841	delete $self->{_link_recursion};
1948	cf::player->attach (	2842	# only activate afterwards, to support waiting in hooks
1949	on_logout => sub {	2843	$self->activate_recursive;
1950	my ($pl) = @_;
1951
1952	# abort map switching before logout
1953	if ($pl->ob->{_link_pos}) {
1954	cf::sync_job {
1955	$pl->ob->leave_link
1956	};
1957	}
1958	},	2844	}
1959	on_login => sub {
1960	my ($pl) = @_;
1961		2845
1962	# try to abort aborted map switching on player login :)	2846	}
1963	# should happen only on crashes
1964	if ($pl->ob->{_link_pos}) {
1965	$pl->ob->enter_link;
1966	(async {
1967	$pl->ob->reply (undef,
1968	"There was an internal problem at your last logout, "
1969	. "the server will try to bring you to your intended destination in a second.",
1970	cf::NDI_RED);
1971	# we need this sleep as the login has a concurrent enter_exit running
1972	# and this sleep increases chances of the player not ending up in scorn
1973	Coro::Timer::sleep 1;
1974	$pl->ob->leave_link;
1975	})->prio (2);
1976	}
1977	},
1978	);
1979		2847
1980	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2848	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1981		2849
1982	Moves the player to the given map-path and coordinates by first freezing	2850	Moves the player to the given map-path and coordinates by first freezing
1983	her, loading and preparing them map, calling the provided $check callback	2851	her, loading and preparing them map, calling the provided $check callback
1984	that has to return the map if sucecssful, and then unfreezes the player on	2852	that has to return the map if sucecssful, and then unfreezes the player on
1985	the new (success) or old (failed) map position.	2853	the new (success) or old (failed) map position. In either case, $done will
		2854	be called at the end of this process.
1986		2855
		2856	Note that $check will be called with a potentially non-loaded map, so if
		2857	it needs a loaded map it has to call C<< ->load >>.
		2858
1987	=cut	2859	=cut
		2860
		2861	our $GOTOGEN;
1988		2862
1989	sub cf::object::player::goto {	2863	sub cf::object::player::goto {
1990	my ($self, $path, $x, $y, $check) = @_;	2864	my ($self, $path, $x, $y, $check, $done) = @_;
1991		2865
1992	#d# #TODO#	2866	if ($self->{_link_recursion} >= $MAX_LINKS) {
1993	if ($check && !ref $check) {	2867	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
1994	warn Carp::longmess "goto called with non-ref check argument";#d#	2868	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
1995	undef $check;	2869	($path, $x, $y) = @$EMERGENCY_POSITION;
1996	}	2870	}
		2871
		2872	# do generation counting so two concurrent goto's will be executed in-order
		2873	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1997		2874
1998	$self->enter_link;	2875	$self->enter_link;
1999		2876
2000	(async {	2877	(async {
		2878	$Coro::current->{desc} = "player::goto $path $x $y";
		2879
		2880	# *tag paths override both path and x|y
		2881	if ($path =~ /^\*(.*)$/) {
		2882	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2883	my $ob = $obs[rand @obs];
		2884
		2885	# see if we actually can go there
		2886	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2887	$ob = $obs[rand @obs];
		2888	} else {
		2889	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2890	}
		2891	# else put us there anyways for now #d#
		2892
		2893	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2894	} else {
		2895	($path, $x, $y) = (undef, undef, undef);
		2896	}
		2897	}
		2898
2001	my $map = eval {	2899	my $map = eval {
2002	my $map = cf::map::find $path;	2900	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2003		2901
2004	if ($map) {	2902	if ($map) {
2005	$map = $map->customise_for ($self);	2903	$map = $map->customise_for ($self);
2006	$map = $check->($map) if $check && $map;	2904	$map = $check->($map, $x, $y, $self) if $check && $map;
2007	} else {	2905	} else {
2008	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2906	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2009	}	2907	}
2010		2908
2011	$map	2909	$map
2012	};	2910	};
2013		2911
2014	if ($@) {	2912	if ($@) {
2015	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);	2913	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
2016	LOG llevError | logBacktrace, Carp::longmess $@;	2914	LOG llevError | logBacktrace, Carp::longmess $@;
2017	}	2915	}
2018		2916
		2917	if ($gen == $self->{_goto_generation}) {
		2918	delete $self->{_goto_generation};
2019	$self->leave_link ($map, $x, $y);	2919	$self->leave_link ($map, $x, $y);
		2920	}
		2921
		2922	$done->($self) if $done;
2020	})->prio (1);	2923	})->prio (1);
2021	}	2924	}
2022		2925
2023	=item $player_object->enter_exit ($exit_object)	2926	=item $player_object->enter_exit ($exit_object)
2024		2927
…		…
2044	}	2947	}
2045		2948
2046	sub prepare_random_map {	2949	sub prepare_random_map {
2047	my ($exit) = @_;	2950	my ($exit) = @_;
2048		2951
2049	my $guard = cf::lock_acquire "exit_prepare:$exit";
2050
2051	# all this does is basically replace the /! path by	2952	# all this does is basically replace the /! path by
2052	# a new random map path (?random/...) with a seed	2953	# a new random map path (?random/...) with a seed
2053	# that depends on the exit object	2954	# that depends on the exit object
2054		2955
2055	my $rmp = parse_random_map_params $exit->msg;	2956	my $rmp = parse_random_map_params $exit->msg;
…		…
2057	if ($exit->map) {	2958	if ($exit->map) {
2058	$rmp->{region} = $exit->region->name;	2959	$rmp->{region} = $exit->region->name;
2059	$rmp->{origin_map} = $exit->map->path;	2960	$rmp->{origin_map} = $exit->map->path;
2060	$rmp->{origin_x} = $exit->x;	2961	$rmp->{origin_x} = $exit->x;
2061	$rmp->{origin_y} = $exit->y;	2962	$rmp->{origin_y} = $exit->y;
		2963
		2964	$exit->map->touch;
2062	}	2965	}
2063		2966
2064	$rmp->{random_seed} ||= $exit->random_seed;	2967	$rmp->{random_seed} ||= $exit->random_seed;
2065		2968
2066	my $data = cf::to_json $rmp;	2969	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2067	my $md5 = Digest::MD5::md5_hex $data;	2970	my $md5 = Digest::MD5::md5_hex $data;
2068	my $meta = "$RANDOMDIR/$md5.meta";	2971	my $meta = "$RANDOMDIR/$md5.meta";
2069		2972
2070	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2973	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2071	aio_write $fh, 0, (length $data), $data, 0;	2974	aio_write $fh, 0, (length $data), $data, 0;
2072	undef $fh;	2975	undef $fh;
2073	aio_rename "$meta~", $meta;	2976	aio_rename "$meta~", $meta;
2074		2977
		2978	my $slaying = "?random/$md5";
		2979
		2980	if ($exit->valid) {
2075	$exit->slaying ("?random/$md5");	2981	$exit->slaying ("?random/$md5");
2076	$exit->msg (undef);	2982	$exit->msg (undef);
		2983	}
2077	}	2984	}
2078	}	2985	}
2079		2986
2080	sub cf::object::player::enter_exit {	2987	sub cf::object::player::enter_exit {
2081	my ($self, $exit) = @_;	2988	my ($self, $exit) = @_;
2082		2989
2083	return unless $self->type == cf::PLAYER;	2990	return unless $self->type == cf::PLAYER;
2084		2991
2085	if ($exit->slaying eq "/!") {
2086	#TODO: this should de-fi-ni-te-ly not be a sync-job
2087	# the problem is that $exit might not survive long enough
2088	# so it needs to be done right now, right here
2089	cf::sync_job { prepare_random_map $exit };
2090	}
2091
2092	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2093	my $hp = $exit->stats->hp;
2094	my $sp = $exit->stats->sp;
2095
2096	$self->enter_link;	2992	$self->enter_link;
2097		2993
2098	(async {	2994	(async {
2099	$self->deactivate_recursive; # just to be sure	2995	$Coro::current->{desc} = "enter_exit";
		2996
2100	unless (eval {	2997	unless (eval {
		2998	$self->deactivate_recursive; # just to be sure
		2999
		3000	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3001	my $x = $exit->stats->hp;
		3002	my $y = $exit->stats->sp;
		3003
		3004	# special map handling
		3005	my $slaying = $exit->slaying;
		3006
		3007	# special map handling
		3008	if ($slaying eq "/!") {
		3009	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3010
		3011	prepare_random_map $exit
		3012	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3013
		3014	$map = $exit->slaying;
		3015
		3016	} elsif ($slaying eq '!up') {
		3017	$map = $exit->map->tile_path (cf::TILE_UP);
		3018	$x = $exit->x;
		3019	$y = $exit->y;
		3020
		3021	} elsif ($slaying eq '!down') {
		3022	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3023	$x = $exit->x;
		3024	$y = $exit->y;
		3025	}
		3026
2101	$self->goto ($slaying, $hp, $sp);	3027	$self->goto ($map, $x, $y);
2102		3028
		3029	# if exit is damned, update players death & WoR home-position
		3030	$self->contr->savebed ($map, $x, $y)
		3031	if $exit->flag (cf::FLAG_DAMNED);
		3032
2103	1;	3033	1
2104	}) {	3034	}) {
2105	$self->message ("Something went wrong deep within the crossfire server. "	3035	$self->message ("Something went wrong deep within the deliantra server. "
2106	. "I'll try to bring you back to the map you were before. "	3036	. "I'll try to bring you back to the map you were before. "
2107	. "Please report this to the dungeon master!",	3037	. "Please report this to the dungeon master!",
2108	cf::NDI_UNIQUE | cf::NDI_RED);	3038	cf::NDI_UNIQUE | cf::NDI_RED);
2109		3039
2110	warn "ERROR in enter_exit: $@";	3040	error "ERROR in enter_exit: $@";
2111	$self->leave_link;	3041	$self->leave_link;
2112	}	3042	}
2113	})->prio (1);	3043	})->prio (1);
2114	}	3044	}
2115		3045
…		…
2129		3059
2130	utf8::encode $text;	3060	utf8::encode $text;
2131	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3061	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2132	}	3062	}
2133		3063
		3064	=item $client->send_big_packet ($pkt)
		3065
		3066	Like C<send_packet>, but tries to compress large packets, and fragments
		3067	them as required.
		3068
		3069	=cut
		3070
		3071	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3072
		3073	sub cf::client::send_big_packet {
		3074	my ($self, $pkt) = @_;
		3075
		3076	# try lzf for large packets
		3077	$pkt = "lzf " . Compress::LZF::compress $pkt
		3078	if 1024 <= length $pkt and $self->{can_lzf};
		3079
		3080	# split very large packets
		3081	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3082	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3083	$pkt = "frag";
		3084	}
		3085
		3086	$self->send_packet ($pkt);
		3087	}
		3088
		3089	=item $client->send_msg ($channel, $msg, $color, [extra...])
		3090
		3091	Send a drawinfo or msg packet to the client, formatting the msg for the
		3092	client if neccessary. C<$type> should be a string identifying the type of
		3093	the message, with C<log> being the default. If C<$color> is negative, suppress
		3094	the message unless the client supports the msg packet.
		3095
		3096	=cut
		3097
		3098	# non-persistent channels (usually the info channel)
		3099	our %CHANNEL = (
		3100	"c/motd" => {
		3101	id => "infobox",
		3102	title => "MOTD",
		3103	reply => undef,
		3104	tooltip => "The message of the day",
		3105	},
		3106	"c/identify" => {
		3107	id => "infobox",
		3108	title => "Identify",
		3109	reply => undef,
		3110	tooltip => "Items recently identified",
		3111	},
		3112	"c/examine" => {
		3113	id => "infobox",
		3114	title => "Examine",
		3115	reply => undef,
		3116	tooltip => "Signs and other items you examined",
		3117	},
		3118	"c/shopinfo" => {
		3119	id => "infobox",
		3120	title => "Shop Info",
		3121	reply => undef,
		3122	tooltip => "What your bargaining skill tells you about the shop",
		3123	},
		3124	"c/book" => {
		3125	id => "infobox",
		3126	title => "Book",
		3127	reply => undef,
		3128	tooltip => "The contents of a note or book",
		3129	},
		3130	"c/lookat" => {
		3131	id => "infobox",
		3132	title => "Look",
		3133	reply => undef,
		3134	tooltip => "What you saw there",
		3135	},
		3136	"c/who" => {
		3137	id => "infobox",
		3138	title => "Players",
		3139	reply => undef,
		3140	tooltip => "Shows players who are currently online",
		3141	},
		3142	"c/body" => {
		3143	id => "infobox",
		3144	title => "Body Parts",
		3145	reply => undef,
		3146	tooltip => "Shows which body parts you posess and are available",
		3147	},
		3148	"c/statistics" => {
		3149	id => "infobox",
		3150	title => "Statistics",
		3151	reply => undef,
		3152	tooltip => "Shows your primary statistics",
		3153	},
		3154	"c/skills" => {
		3155	id => "infobox",
		3156	title => "Skills",
		3157	reply => undef,
		3158	tooltip => "Shows your experience per skill and item power",
		3159	},
		3160	"c/shopitems" => {
		3161	id => "infobox",
		3162	title => "Shop Items",
		3163	reply => undef,
		3164	tooltip => "Shows the items currently for sale in this shop",
		3165	},
		3166	"c/resistances" => {
		3167	id => "infobox",
		3168	title => "Resistances",
		3169	reply => undef,
		3170	tooltip => "Shows your resistances",
		3171	},
		3172	"c/pets" => {
		3173	id => "infobox",
		3174	title => "Pets",
		3175	reply => undef,
		3176	tooltip => "Shows information abotu your pets/a specific pet",
		3177	},
		3178	"c/perceiveself" => {
		3179	id => "infobox",
		3180	title => "Perceive Self",
		3181	reply => undef,
		3182	tooltip => "You gained detailed knowledge about yourself",
		3183	},
		3184	"c/uptime" => {
		3185	id => "infobox",
		3186	title => "Uptime",
		3187	reply => undef,
		3188	tooltip => "How long the server has been running since last restart",
		3189	},
		3190	"c/mapinfo" => {
		3191	id => "infobox",
		3192	title => "Map Info",
		3193	reply => undef,
		3194	tooltip => "Information related to the maps",
		3195	},
		3196	"c/party" => {
		3197	id => "party",
		3198	title => "Party",
		3199	reply => "gsay ",
		3200	tooltip => "Messages and chat related to your party",
		3201	},
		3202	"c/death" => {
		3203	id => "death",
		3204	title => "Death",
		3205	reply => undef,
		3206	tooltip => "Reason for and more info about your most recent death",
		3207	},
		3208	"c/say" => $SAY_CHANNEL,
		3209	"c/chat" => $CHAT_CHANNEL,
		3210	);
		3211
		3212	sub cf::client::send_msg {
		3213	my ($self, $channel, $msg, $color, @extra) = @_;
		3214
		3215	$msg = $self->pl->expand_cfpod ($msg)
		3216	unless $color & cf::NDI_VERBATIM;
		3217
		3218	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3219
		3220	# check predefined channels, for the benefit of C
		3221	if ($CHANNEL{$channel}) {
		3222	$channel = $CHANNEL{$channel};
		3223
		3224	$self->ext_msg (channel_info => $channel);
		3225	$channel = $channel->{id};
		3226
		3227	} elsif (ref $channel) {
		3228	# send meta info to client, if not yet sent
		3229	unless (exists $self->{channel}{$channel->{id}}) {
		3230	$self->{channel}{$channel->{id}} = $channel;
		3231	$self->ext_msg (channel_info => $channel);
		3232	}
		3233
		3234	$channel = $channel->{id};
		3235	}
		3236
		3237	return unless @extra || length $msg;
		3238
		3239	# default colour, mask it out
		3240	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3241	if $color & cf::NDI_DEF;
		3242
		3243	my $pkt = "msg "
		3244	. $self->{json_coder}->encode (
		3245	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3246	);
		3247
		3248	$self->send_big_packet ($pkt);
		3249	}
		3250
2134	=item $client->ext_event ($type, %msg)	3251	=item $client->ext_msg ($type, @msg)
2135		3252
2136	Sends an exti event to the client.	3253	Sends an ext event to the client.
2137		3254
2138	=cut	3255	=cut
2139		3256
2140	sub cf::client::ext_event($$%) {	3257	sub cf::client::ext_msg($$@) {
2141	my ($self, $type, %msg) = @_;	3258	my ($self, $type, @msg) = @_;
2142		3259
2143	$msg{msgtype} = "event_$type";	3260	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2144	$self->send_packet ("ext " . cf::to_json \%msg);
2145	}	3261	}
2146		3262
2147	=item $success = $client->query ($flags, "text", \&cb)	3263	=item $success = $client->query ($flags, "text", \&cb)
2148		3264
2149	Queues a query to the client, calling the given callback with	3265	Queues a query to the client, calling the given callback with
2150	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3266	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2151	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3267	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2152		3268
2153	Queries can fail, so check the return code. Or don't, as queries will become	3269	Queries can fail, so check the return code. Or don't, as queries will
2154	reliable at some point in the future.	3270	become reliable at some point in the future.
2155		3271
2156	=cut	3272	=cut
2157		3273
2158	sub cf::client::query {	3274	sub cf::client::query {
2159	my ($self, $flags, $text, $cb) = @_;	3275	my ($self, $flags, $text, $cb) = @_;
…		…
2167	utf8::encode $text;	3283	utf8::encode $text;
2168	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3284	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2169		3285
2170	$self->send_packet ($self->{query_queue}[0][0])	3286	$self->send_packet ($self->{query_queue}[0][0])
2171	if @{ $self->{query_queue} } == 1;	3287	if @{ $self->{query_queue} } == 1;
		3288
		3289	1
2172	}	3290	}
2173		3291
2174	cf::client->attach (	3292	cf::client->attach (
		3293	on_connect => sub {
		3294	my ($ns) = @_;
		3295
		3296	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3297	},
2175	on_reply => sub {	3298	on_reply => sub {
2176	my ($ns, $msg) = @_;	3299	my ($ns, $msg) = @_;
2177		3300
2178	# this weird shuffling is so that direct followup queries	3301	# this weird shuffling is so that direct followup queries
2179	# get handled first	3302	# get handled first
…		…
2191	} else {	3314	} else {
2192	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3315	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2193	}	3316	}
2194	}	3317	}
2195	},	3318	},
		3319	on_exticmd => sub {
		3320	my ($ns, $buf) = @_;
		3321
		3322	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3323
		3324	if (ref $msg) {
		3325	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3326
		3327	if (my $cb = $EXTIACMD{$type}) {
		3328	$cb->(
		3329	$ns,
		3330	sub {
		3331	$ns->ext_msg ("reply-$reply", @_)
		3332	if $reply;
		3333	},
		3334	@payload
		3335	);
		3336	} else {
		3337	my @reply;
		3338
		3339	if (my $cb = $EXTICMD{$type}) {
		3340	@reply = $cb->($ns, @payload);
		3341	}
		3342
		3343	$ns->ext_msg ("reply-$reply", @reply)
		3344	if $reply;
		3345	}
		3346	} else {
		3347	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3348	}
		3349
		3350	cf::override;
		3351	},
2196	);	3352	);
2197		3353
2198	=item $client->async (\&cb)	3354	=item $client->async (\&cb)
2199		3355
2200	Create a new coroutine, running the specified callback. The coroutine will	3356	Create a new coroutine, running the specified callback. The coroutine will
…		…
2216		3372
2217	$coro	3373	$coro
2218	}	3374	}
2219		3375
2220	cf::client->attach (	3376	cf::client->attach (
2221	on_destroy => sub {	3377	on_client_destroy => sub {
2222	my ($ns) = @_;	3378	my ($ns) = @_;
2223		3379
2224	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3380	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2225	},	3381	},
2226	);	3382	);
…		…
2241	our $safe = new Safe "safe";	3397	our $safe = new Safe "safe";
2242	our $safe_hole = new Safe::Hole;	3398	our $safe_hole = new Safe::Hole;
2243		3399
2244	$SIG{FPE} = 'IGNORE';	3400	$SIG{FPE} = 'IGNORE';
2245		3401
2246	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3402	$safe->permit_only (Opcode::opset qw(
		3403	:base_core :base_mem :base_orig :base_math :base_loop
		3404	grepstart grepwhile mapstart mapwhile
		3405	sort time
		3406	));
2247		3407
2248	# here we export the classes and methods available to script code	3408	# here we export the classes and methods available to script code
2249		3409
2250	=pod	3410	=pod
2251		3411
2252	The following functions and methods are available within a safe environment:	3412	The following functions and methods are available within a safe environment:
2253		3413
2254	cf::object contr pay_amount pay_player map	3414	cf::object
		3415	contr pay_amount pay_player map x y force_find force_add destroy
		3416	insert remove name archname title slaying race decrease split
		3417	value
		3418
2255	cf::object::player player	3419	cf::object::player
2256	cf::player peaceful	3420	player
2257	cf::map trigger	3421
		3422	cf::player
		3423	peaceful
		3424
		3425	cf::map
		3426	trigger
2258		3427
2259	=cut	3428	=cut
2260		3429
2261	for (	3430	for (
2262	["cf::object" => qw(contr pay_amount pay_player map)],	3431	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3432	insert remove inv nrof name archname title slaying race
		3433	decrease split destroy change_exp value msg lore send_msg)],
2263	["cf::object::player" => qw(player)],	3434	["cf::object::player" => qw(player)],
2264	["cf::player" => qw(peaceful)],	3435	["cf::player" => qw(peaceful send_msg)],
2265	["cf::map" => qw(trigger)],	3436	["cf::map" => qw(trigger)],
2266	) {	3437	) {
2267	no strict 'refs';
2268	my ($pkg, @funs) = @$_;	3438	my ($pkg, @funs) = @$_;
2269	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3439	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2270	for @funs;	3440	for @funs;
2271	}	3441	}
2272		3442
…		…
2287		3457
2288	my $qcode = $code;	3458	my $qcode = $code;
2289	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3459	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2290	$qcode =~ s/\n/\\n/g;	3460	$qcode =~ s/\n/\\n/g;
2291		3461
		3462	%vars = (_dummy => 0) unless %vars;
		3463
		3464	my @res;
2292	local $_;	3465	local $_;
2293	local @safe::cf::_safe_eval_args = values %vars;
2294		3466
2295	my $eval =	3467	my $eval =
2296	"do {\n"	3468	"do {\n"
2297	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3469	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2298	. "#line 0 \"{$qcode}\"\n"	3470	. "#line 0 \"{$qcode}\"\n"
2299	. $code	3471	. $code
2300	. "\n}"	3472	. "\n}"
2301	;	3473	;
2302		3474
		3475	if ($CFG{safe_eval}) {
2303	sub_generation_inc;	3476	sub_generation_inc;
		3477	local @safe::cf::_safe_eval_args = values %vars;
2304	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3478	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2305	sub_generation_inc;	3479	sub_generation_inc;
		3480	} else {
		3481	local @cf::_safe_eval_args = values %vars;
		3482	@res = wantarray ? eval eval : scalar eval $eval;
		3483	}
2306		3484
2307	if ($@) {	3485	if ($@) {
2308	warn "$@";	3486	warn "$@",
2309	warn "while executing safe code '$code'\n";	3487	"while executing safe code '$code'\n",
2310	warn "with arguments " . (join " ", %vars) . "\n";	3488	"with arguments " . (join " ", %vars) . "\n";
2311	}	3489	}
2312		3490
2313	wantarray ? @res : $res[0]	3491	wantarray ? @res : $res[0]
2314	}	3492	}
2315		3493
…		…
2329	=cut	3507	=cut
2330		3508
2331	sub register_script_function {	3509	sub register_script_function {
2332	my ($fun, $cb) = @_;	3510	my ($fun, $cb) = @_;
2333		3511
2334	no strict 'refs';	3512	$fun = "safe::$fun" if $CFG{safe_eval};
2335	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3513	*$fun = $safe_hole->wrap ($cb);
2336	}	3514	}
2337		3515
2338	=back	3516	=back
2339		3517
2340	=cut	3518	=cut
2341
2342	#############################################################################
2343
2344	=head2 EXTENSION DATABASE SUPPORT
2345
2346	Crossfire maintains a very simple database for extension use. It can
2347	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2348	convert to/from binary).
2349
2350	The parameter C<$family> should best start with the name of the extension
2351	using it, it should be unique.
2352
2353	=over 4
2354
2355	=item $value = cf::db_get $family => $key
2356
2357	Returns a single value from the database.
2358
2359	=item cf::db_put $family => $key => $value
2360
2361	Stores the given C<$value> in the family.
2362
2363	=cut
2364
2365	our $DB;
2366
2367	sub db_init {
2368	unless ($DB) {
2369	$DB = BDB::db_create $DB_ENV;
2370
2371	cf::sync_job {
2372	eval {
2373	$DB->set_flags (BDB::CHKSUM);
2374
2375	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2376	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2377	cf::cleanup "db_open(db): $!" if $!;
2378	};
2379	cf::cleanup "db_open(db): $@" if $@;
2380	};
2381	}
2382	}
2383
2384	sub db_get($$) {
2385	my $key = "$_[0]/$_[1]";
2386
2387	cf::sync_job {
2388	BDB::db_get $DB, undef, $key, my $data;
2389
2390	$! ? ()
2391	: $data
2392	}
2393	}
2394
2395	sub db_put($$$) {
2396	BDB::dbreq_pri 4;
2397	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2398	}
2399
2400	=item cf::cache $id => [$paths...], $processversion => $process
2401
2402	Generic caching function that returns the value of the resource $id,
2403	caching and regenerating as required.
2404
2405	This function can block.
2406
2407	=cut
2408
2409	sub cache {
2410	my ($id, $src, $processversion, $process) = @_;
2411
2412	my $meta =
2413	join "\x00",
2414	$processversion,
2415	map {
2416	aio_stat $_
2417	and Carp::croak "$_: $!";
2418
2419	($_, (stat _)[7,9])
2420	} @$src;
2421
2422	my $dbmeta = db_get cache => "$id/meta";
2423	if ($dbmeta ne $meta) {
2424	# changed, we may need to process
2425
2426	my @data;
2427	my $md5;
2428
2429	for (0 .. $#$src) {
2430	0 <= aio_load $src->[$_], $data[$_]
2431	or Carp::croak "$src->[$_]: $!";
2432	}
2433
2434	# if processing is expensive, check
2435	# checksum first
2436	if (1) {
2437	$md5 =
2438	join "\x00",
2439	$processversion,
2440	map {
2441	Coro::cede;
2442	($src->[$_], Digest::MD5::md5_hex $data[$_])
2443	} 0.. $#$src;
2444
2445
2446	my $dbmd5 = db_get cache => "$id/md5";
2447	if ($dbmd5 eq $md5) {
2448	db_put cache => "$id/meta", $meta;
2449
2450	return db_get cache => "$id/data";
2451	}
2452	}
2453
2454	my $t1 = Time::HiRes::time;
2455	my $data = $process->(\@data);
2456	my $t2 = Time::HiRes::time;
2457
2458	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
2459
2460	db_put cache => "$id/data", $data;
2461	db_put cache => "$id/md5" , $md5;
2462	db_put cache => "$id/meta", $meta;
2463
2464	return $data;
2465	}
2466
2467	db_get cache => "$id/data"
2468	}
2469
2470	=item fork_call { }, $args
2471
2472	Executes the given code block with the given arguments in a seperate
2473	process, returning the results. Everything must be serialisable with
2474	Coro::Storable. May, of course, block. Note that the executed sub may
2475	never block itself or use any form of Event handling.
2476
2477	=cut
2478
2479	sub fork_call(&@) {
2480	my ($cb, @args) = @_;
2481
2482	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2483	# or die "socketpair: $!";
2484	pipe my $fh1, my $fh2
2485	or die "pipe: $!";
2486
2487	if (my $pid = fork) {
2488	close $fh2;
2489
2490	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2491	$res = Coro::Storable::thaw $res;
2492
2493	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2494
2495	die $$res unless "ARRAY" eq ref $res;
2496
2497	return wantarray ? @$res : $res->[-1];
2498	} else {
2499	reset_signals;
2500	local $SIG{__WARN__};
2501	local $SIG{__DIE__};
2502	eval {
2503	close $fh1;
2504
2505	my @res = eval { $cb->(@args) };
2506	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2507	};
2508
2509	warn $@ if $@;
2510	_exit 0;
2511	}
2512	}
2513
2514
2515		3519
2516	#############################################################################	3520	#############################################################################
2517	# the server's init and main functions	3521	# the server's init and main functions
2518		3522
		3523	our %FACEHASH; # hash => idx, #d# HACK for http server
		3524
		3525	# internal api, not fianlised
		3526	sub set_face {
		3527	my ($name, $type, $data) = @_;
		3528
		3529	my $idx = cf::face::find $name;
		3530
		3531	if ($idx) {
		3532	delete $FACEHASH{cf::face::get_chksum $idx};
		3533	} else {
		3534	$idx = cf::face::alloc $name;
		3535	}
		3536
		3537	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3538
		3539	cf::face::set_type $idx, $type;
		3540	cf::face::set_data $idx, 0, $data, $hash;
		3541	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3542	$FACEHASH{$hash} = $idx;#d#
		3543
		3544	$idx
		3545	}
		3546
2519	sub load_facedata($) {	3547	sub load_facedata($) {
2520	my ($path) = @_;	3548	my ($path) = @_;
2521		3549
		3550	# HACK to clear player env face cache, we need some signal framework
		3551	# for this (global event?)
		3552	%ext::player_env::MUSIC_FACE_CACHE = ();
		3553
		3554	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3555
2522	warn "loading facedata from $path\n";	3556	trace "loading facedata from $path\n";
2523		3557
2524	my $facedata;	3558	my $facedata = decode_storable load_file $path;
2525	0 < aio_load $path, $facedata
2526	or die "$path: $!";
2527
2528	$facedata = Coro::Storable::thaw $facedata;
2529		3559
2530	$facedata->{version} == 2	3560	$facedata->{version} == 2
2531	or cf::cleanup "$path: version mismatch, cannot proceed.";	3561	or cf::cleanup "$path: version mismatch, cannot proceed.";
2532		3562
		3563	cf::cede_to_tick;
		3564
2533	{	3565	{
2534	my $faces = $facedata->{faceinfo};	3566	my $faces = delete $facedata->{faceinfo};
2535		3567
2536	while (my ($face, $info) = each %$faces) {	3568	for my $face (sort keys %$faces) {
		3569	my $info = $faces->{$face};
2537	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3570	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3571
2538	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3572	cf::face::set_visibility $idx, $info->{visibility};
		3573	cf::face::set_magicmap $idx, $info->{magicmap};
2539	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3574	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2540	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3575	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2541	Coro::cede;	3576	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3577	$FACEHASH{$info->{hash64}} = $idx;#d#
		3578
		3579	cf::cede_to_tick;
2542	}	3580	}
2543		3581
2544	while (my ($face, $info) = each %$faces) {	3582	while (my ($face, $info) = each %$faces) {
2545	next unless $info->{smooth};	3583	next unless $info->{smooth};
		3584
2546	my $idx = cf::face::find $face	3585	my $idx = cf::face::find $face
2547	or next;	3586	or next;
		3587
2548	if (my $smooth = cf::face::find $info->{smooth}) {	3588	if (my $smooth = cf::face::find $info->{smooth}) {
		3589	cf::face::set_smooth $idx, $smooth;
2549	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3590	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2550	} else {	3591	} else {
2551	warn "smooth face '$info->{smooth}' not found for face '$face'";	3592	error "smooth face '$info->{smooth}' not found for face '$face'";
2552	}	3593	}
2553	Coro::cede;	3594
		3595	cf::cede_to_tick;
2554	}	3596	}
2555	}	3597	}
2556		3598
2557	{	3599	{
2558	my $anims = $facedata->{animinfo};	3600	my $anims = delete $facedata->{animinfo};
2559		3601
2560	while (my ($anim, $info) = each %$anims) {	3602	while (my ($anim, $info) = each %$anims) {
2561	cf::anim::set $anim, $info->{frames}, $info->{facings};	3603	cf::anim::set $anim, $info->{frames}, $info->{facings};
2562	Coro::cede;	3604	cf::cede_to_tick;
2563	}	3605	}
2564		3606
2565	cf::anim::invalidate_all; # d'oh	3607	cf::anim::invalidate_all; # d'oh
2566	}	3608	}
2567		3609
		3610	{
		3611	my $res = delete $facedata->{resource};
		3612
		3613	while (my ($name, $info) = each %$res) {
		3614	if (defined (my $type = $info->{type})) {
		3615	# TODO: different hash - must free and use new index, or cache ixface data queue
		3616	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3617
		3618	cf::face::set_type $idx, $type;
		3619	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3620	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3621	$FACEHASH{$info->{hash}} = $idx;#d#
		3622	} else {
		3623	# $RESOURCE{$name} = $info; # unused
		3624	}
		3625
		3626	cf::cede_to_tick;
		3627	}
		3628	}
		3629
		3630	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3631
2568	1	3632	1
2569	}	3633	}
2570		3634
		3635	register_exticmd fx_want => sub {
		3636	my ($ns, $want) = @_;
		3637
		3638	while (my ($k, $v) = each %$want) {
		3639	$ns->fx_want ($k, $v);
		3640	}
		3641	};
		3642
		3643	sub load_resource_file($) {
		3644	my $guard = lock_acquire "load_resource_file";
		3645
		3646	my $status = load_resource_file_ $_[0];
		3647	get_slot 0.1, 100;
		3648	cf::arch::commit_load;
		3649
		3650	$status
		3651	}
		3652
		3653	sub reload_exp_table {
		3654	_reload_exp_table;
		3655
		3656	set_face "res/exp_table" => FT_RSRC,
		3657	JSON::XS->new->utf8->canonical->encode (
		3658	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3659	);
		3660	}
		3661
		3662	sub reload_materials {
		3663	_reload_materials;
		3664	}
		3665
2571	sub reload_regions {	3666	sub reload_regions {
		3667	# HACK to clear player env face cache, we need some signal framework
		3668	# for this (global event?)
		3669	%ext::player_env::MUSIC_FACE_CACHE = ();
		3670
2572	load_resource_file "$MAPDIR/regions"	3671	load_resource_file "$MAPDIR/regions"
2573	or die "unable to load regions file\n";	3672	or die "unable to load regions file\n";
		3673
		3674	for (cf::region::list) {
		3675	$_->{match} = qr/$_->{match}/
		3676	if exists $_->{match};
		3677	}
2574	}	3678	}
2575		3679
2576	sub reload_facedata {	3680	sub reload_facedata {
2577	load_facedata "$DATADIR/facedata"	3681	load_facedata "$DATADIR/facedata"
2578	or die "unable to load facedata\n";	3682	or die "unable to load facedata\n";
2579	}	3683	}
2580		3684
2581	sub reload_archetypes {	3685	sub reload_archetypes {
2582	load_resource_file "$DATADIR/archetypes"	3686	load_resource_file "$DATADIR/archetypes"
2583	or die "unable to load archetypes\n";	3687	or die "unable to load archetypes\n";
		3688
		3689	set_face "res/skill_info" => FT_RSRC,
		3690	JSON::XS->new->utf8->canonical->encode (
		3691	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3692	);
		3693	set_face "res/spell_paths" => FT_RSRC,
		3694	JSON::XS->new->utf8->canonical->encode (
		3695	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3696	);
2584	}	3697	}
2585		3698
2586	sub reload_treasures {	3699	sub reload_treasures {
2587	load_resource_file "$DATADIR/treasures"	3700	load_resource_file "$DATADIR/treasures"
2588	or die "unable to load treasurelists\n";	3701	or die "unable to load treasurelists\n";
2589	}	3702	}
2590		3703
		3704	sub reload_sound {
		3705	trace "loading sound config from $DATADIR/sound\n";
		3706
		3707	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3708
		3709	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3710	my $sound = $soundconf->{compat}[$_]
		3711	or next;
		3712
		3713	my $face = cf::face::find "sound/$sound->[1]";
		3714	cf::sound::set $sound->[0] => $face;
		3715	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3716	}
		3717
		3718	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3719	my $face = cf::face::find "sound/$v";
		3720	cf::sound::set $k => $face;
		3721	}
		3722	}
		3723
2591	sub reload_resources {	3724	sub reload_resources {
2592	warn "reloading resource files...\n";	3725	trace "reloading resource files...\n";
2593		3726
		3727	reload_materials;
		3728	reload_facedata;
		3729	reload_exp_table;
		3730	reload_sound;
		3731	reload_archetypes;
2594	reload_regions;	3732	reload_regions;
2595	reload_facedata;
2596	reload_archetypes;
2597	reload_treasures;	3733	reload_treasures;
2598		3734
2599	warn "finished reloading resource files\n";	3735	trace "finished reloading resource files\n";
2600	}	3736	}
2601		3737
2602	sub init {	3738	sub reload_config {
2603	reload_resources;	3739	trace "reloading config file...\n";
2604	}
2605		3740
2606	sub cfg_load {	3741	my $config = load_file "$CONFDIR/config";
2607	open my $fh, "<:utf8", "$CONFDIR/config"	3742	utf8::decode $config;
2608	or return;	3743	*CFG = decode_yaml $config;
2609		3744
2610	local $/;
2611	*CFG = YAML::Syck::Load <$fh>;
2612
2613	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3745	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2614		3746
2615	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3747	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2616	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3748	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2617		3749
2618	if (exists $CFG{mlockall}) {	3750	if (exists $CFG{mlockall}) {
…		…
2622	};	3754	};
2623	warn $@ if $@;	3755	warn $@ if $@;
2624	}	3756	}
2625	}	3757	}
2626		3758
		3759	sub pidfile() {
		3760	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3761	or die "$PIDFILE: $!";
		3762	flock $fh, &Fcntl::LOCK_EX
		3763	or die "$PIDFILE: flock: $!";
		3764	$fh
		3765	}
		3766
		3767	# make sure only one server instance is running at any one time
		3768	sub atomic {
		3769	my $fh = pidfile;
		3770
		3771	my $pid = <$fh>;
		3772	kill 9, $pid if $pid > 0;
		3773
		3774	seek $fh, 0, 0;
		3775	print $fh $$;
		3776	}
		3777
		3778	sub main_loop {
		3779	trace "EV::loop starting\n";
		3780	if (1) {
		3781	EV::loop;
		3782	}
		3783	trace "EV::loop returned\n";
		3784	goto &main_loop unless $REALLY_UNLOOP;
		3785	}
		3786
2627	sub main {	3787	sub main {
		3788	cf::init_globals; # initialise logging
		3789
		3790	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3791	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3792	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3793	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3794
		3795	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3796
2628	# we must not ever block the main coroutine	3797	# we must not ever block the main coroutine
2629	local $Coro::idle = sub {	3798	$Coro::idle = sub {
2630	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3799	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2631	(async {	3800	(async {
2632	Event::one_event;	3801	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3802	EV::loop EV::LOOP_ONESHOT;
2633	})->prio (Coro::PRIO_MAX);	3803	})->prio (Coro::PRIO_MAX);
2634	};	3804	};
2635		3805
2636	cfg_load;	3806	evthread_start IO::AIO::poll_fileno;
		3807
		3808	cf::sync_job {
		3809	cf::incloader::init ();
		3810
2637	db_init;	3811	db_init;
		3812
		3813	cf::init_anim;
		3814	cf::init_attackmess;
		3815	cf::init_dynamic;
		3816
		3817	cf::load_settings;
		3818
		3819	reload_resources;
		3820	reload_config;
		3821
		3822	cf::init_uuid;
		3823	cf::init_signals;
		3824	cf::init_skills;
		3825
		3826	cf::init_beforeplay;
		3827
		3828	atomic;
		3829
2638	load_extensions;	3830	load_extensions;
2639		3831
2640	$TICK_WATCHER->start;	3832	utime time, time, $RUNTIMEFILE;
2641	Event::loop;	3833
		3834	# no (long-running) fork's whatsoever before this point(!)
		3835	use POSIX ();
		3836	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3837
		3838	cf::_post_init 0;
		3839	};
		3840
		3841	cf::object::thawer::errors_are_fatal 0;
		3842	info "parse errors in files are no longer fatal from this point on.\n";
		3843
		3844	AE::postpone {
		3845	undef &main; # free gobs of memory :)
		3846	};
		3847
		3848	goto &main_loop;
2642	}	3849	}
2643		3850
2644	#############################################################################	3851	#############################################################################
2645	# initialisation and cleanup	3852	# initialisation and cleanup
2646		3853
2647	# install some emergency cleanup handlers	3854	# install some emergency cleanup handlers
2648	BEGIN {	3855	BEGIN {
		3856	our %SIGWATCHER = ();
2649	for my $signal (qw(INT HUP TERM)) {	3857	for my $signal (qw(INT HUP TERM)) {
2650	Event->signal (	3858	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2651	reentrant => 0,
2652	data => WF_AUTOCANCEL,
2653	signal => $signal,
2654	prio => 0,
2655	cb => sub {
2656	cf::cleanup "SIG$signal";	3859	cf::cleanup "SIG$signal";
2657	},
2658	);	3860	};
		3861	}
		3862	}
		3863
		3864	sub write_runtime_sync {
		3865	my $t0 = AE::time;
		3866
		3867	# first touch the runtime file to show we are still running:
		3868	# the fsync below can take a very very long time.
		3869
		3870	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3871
		3872	my $guard = cf::lock_acquire "write_runtime";
		3873
		3874	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3875	or return;
		3876
		3877	my $value = $cf::RUNTIME + 90 + 10;
		3878	# 10 is the runtime save interval, for a monotonic clock
		3879	# 60 allows for the watchdog to kill the server.
		3880
		3881	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3882	and return;
		3883
		3884	# always fsync - this file is important
		3885	aio_fsync $fh
		3886	and return;
		3887
		3888	# touch it again to show we are up-to-date
		3889	aio_utime $fh, undef, undef;
		3890
		3891	close $fh
		3892	or return;
		3893
		3894	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3895	and return;
		3896
		3897	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3898
2659	}	3899	1
		3900	}
		3901
		3902	our $uuid_lock;
		3903	our $uuid_skip;
		3904
		3905	sub write_uuid_sync($) {
		3906	$uuid_skip ||= $_[0];
		3907
		3908	return if $uuid_lock;
		3909	local $uuid_lock = 1;
		3910
		3911	my $uuid = "$LOCALDIR/uuid";
		3912
		3913	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3914	or return;
		3915
		3916	my $value = uuid_seq uuid_cur;
		3917
		3918	unless ($value) {
		3919	info "cowardly refusing to write zero uuid value!\n";
		3920	return;
		3921	}
		3922
		3923	my $value = uuid_str $value + $uuid_skip;
		3924	$uuid_skip = 0;
		3925
		3926	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3927	and return;
		3928
		3929	# always fsync - this file is important
		3930	aio_fsync $fh
		3931	and return;
		3932
		3933	close $fh
		3934	or return;
		3935
		3936	aio_rename "$uuid~", $uuid
		3937	and return;
		3938
		3939	trace "uuid file written ($value).\n";
		3940
		3941	1
		3942
		3943	}
		3944
		3945	sub write_uuid($$) {
		3946	my ($skip, $sync) = @_;
		3947
		3948	$sync ? write_uuid_sync $skip
		3949	: async { write_uuid_sync $skip };
2660	}	3950	}
2661		3951
2662	sub emergency_save() {	3952	sub emergency_save() {
2663	my $freeze_guard = cf::freeze_mainloop;	3953	my $freeze_guard = cf::freeze_mainloop;
2664		3954
2665	warn "enter emergency perl save\n";	3955	info "emergency_perl_save: enter\n";
		3956
		3957	# this is a trade-off: we want to be very quick here, so
		3958	# save all maps without fsync, and later call a global sync
		3959	# (which in turn might be very very slow)
		3960	local $USE_FSYNC = 0;
2666		3961
2667	cf::sync_job {	3962	cf::sync_job {
		3963	cf::write_runtime_sync; # external watchdog should not bark
		3964
2668	# use a peculiar iteration method to avoid tripping on perl	3965	# use a peculiar iteration method to avoid tripping on perl
2669	# refcount bugs in for. also avoids problems with players	3966	# refcount bugs in for. also avoids problems with players
2670	# and maps saved/destroyed asynchronously.	3967	# and maps saved/destroyed asynchronously.
2671	warn "begin emergency player save\n";	3968	info "emergency_perl_save: begin player save\n";
2672	for my $login (keys %cf::PLAYER) {	3969	for my $login (keys %cf::PLAYER) {
2673	my $pl = $cf::PLAYER{$login} or next;	3970	my $pl = $cf::PLAYER{$login} or next;
2674	$pl->valid or next;	3971	$pl->valid or next;
		3972	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2675	$pl->save;	3973	$pl->save;
2676	}	3974	}
2677	warn "end emergency player save\n";	3975	info "emergency_perl_save: end player save\n";
2678		3976
2679	warn "begin emergency map save\n";	3977	cf::write_runtime_sync; # external watchdog should not bark
		3978
		3979	info "emergency_perl_save: begin map save\n";
2680	for my $path (keys %cf::MAP) {	3980	for my $path (keys %cf::MAP) {
2681	my $map = $cf::MAP{$path} or next;	3981	my $map = $cf::MAP{$path} or next;
2682	$map->valid or next;	3982	$map->valid or next;
2683	$map->save;	3983	$map->save;
2684	}	3984	}
2685	warn "end emergency map save\n";	3985	info "emergency_perl_save: end map save\n";
2686		3986
2687	warn "begin emergency database checkpoint\n";	3987	cf::write_runtime_sync; # external watchdog should not bark
		3988
		3989	info "emergency_perl_save: begin database checkpoint\n";
2688	BDB::db_env_txn_checkpoint $DB_ENV;	3990	BDB::db_env_txn_checkpoint $DB_ENV;
2689	warn "end emergency database checkpoint\n";	3991	info "emergency_perl_save: end database checkpoint\n";
		3992
		3993	info "emergency_perl_save: begin write uuid\n";
		3994	write_uuid_sync 1;
		3995	info "emergency_perl_save: end write uuid\n";
		3996
		3997	cf::write_runtime_sync; # external watchdog should not bark
		3998
		3999	trace "emergency_perl_save: syncing database to disk";
		4000	BDB::db_env_txn_checkpoint $DB_ENV;
		4001
		4002	info "emergency_perl_save: starting sync\n";
		4003	IO::AIO::aio_sync sub {
		4004	info "emergency_perl_save: finished sync\n";
		4005	};
		4006
		4007	cf::write_runtime_sync; # external watchdog should not bark
		4008
		4009	trace "emergency_perl_save: flushing outstanding aio requests";
		4010	while (IO::AIO::nreqs || BDB::nreqs) {
		4011	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4012	}
		4013
		4014	cf::write_runtime_sync; # external watchdog should not bark
2690	};	4015	};
2691		4016
2692	warn "leave emergency perl save\n";	4017	info "emergency_perl_save: leave\n";
2693	}	4018	}
2694		4019
2695	sub post_cleanup {	4020	sub post_cleanup {
2696	my ($make_core) = @_;	4021	my ($make_core) = @_;
2697		4022
		4023	IO::AIO::flush;
		4024
2698	warn Carp::longmess "post_cleanup backtrace"	4025	error Carp::longmess "post_cleanup backtrace"
2699	if $make_core;	4026	if $make_core;
		4027
		4028	my $fh = pidfile;
		4029	unlink $PIDFILE if <$fh> == $$;
		4030	}
		4031
		4032	# a safer delete_package, copied from Symbol
		4033	sub clear_package($) {
		4034	my $pkg = shift;
		4035
		4036	# expand to full symbol table name if needed
		4037	unless ($pkg =~ /^main::.*::$/) {
		4038	$pkg = "main$pkg" if $pkg =~ /^::/;
		4039	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4040	$pkg .= '::' unless $pkg =~ /::$/;
		4041	}
		4042
		4043	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4044	my $stem_symtab = *{$stem}{HASH};
		4045
		4046	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4047	or return;
		4048
		4049	# clear all symbols
		4050	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4051	for my $name (keys %$leaf_symtab) {
		4052	_gv_clear *{"$pkg$name"};
		4053	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4054	}
2700	}	4055	}
2701		4056
2702	sub do_reload_perl() {	4057	sub do_reload_perl() {
2703	# can/must only be called in main	4058	# can/must only be called in main
2704	if ($Coro::current != $Coro::main) {	4059	unless (in_main) {
2705	warn "can only reload from main coroutine";	4060	error "can only reload from main coroutine";
2706	return;	4061	return;
2707	}	4062	}
2708		4063
2709	warn "reloading...";	4064	return if $RELOAD++;
2710		4065
2711	warn "entering sync_job";	4066	my $t1 = AE::time;
2712		4067
		4068	while ($RELOAD) {
		4069	cf::get_slot 0.1, -1, "reload_perl";
		4070	info "perl_reload: reloading...";
		4071
		4072	trace "perl_reload: entering sync_job";
		4073
2713	cf::sync_job {	4074	cf::sync_job {
2714	cf::write_runtime; # external watchdog should not bark
2715	cf::emergency_save;	4075	#cf::emergency_save;
2716	cf::write_runtime; # external watchdog should not bark
2717		4076
2718	warn "syncing database to disk";
2719	BDB::db_env_txn_checkpoint $DB_ENV;
2720
2721	# if anything goes wrong in here, we should simply crash as we already saved
2722
2723	warn "cancelling all WF_AUTOCANCEL watchers";
2724	for (Event::all_watchers) {
2725	$_->cancel if $_->data & WF_AUTOCANCEL;
2726	}
2727
2728	warn "flushing outstanding aio requests";
2729	for (;;) {
2730	BDB::flush;
2731	IO::AIO::flush;
2732	Coro::cede;
2733	last unless IO::AIO::nreqs || BDB::nreqs;
2734	warn "iterate...";
2735	}
2736
2737	++$RELOAD;
2738
2739	warn "cancelling all extension coros";	4077	trace "perl_reload: cancelling all extension coros";
2740	$_->cancel for values %EXT_CORO;	4078	$_->cancel for values %EXT_CORO;
2741	%EXT_CORO = ();	4079	%EXT_CORO = ();
2742		4080
2743	warn "removing commands";	4081	trace "perl_reload: removing commands";
2744	%COMMAND = ();	4082	%COMMAND = ();
2745		4083
2746	warn "removing ext commands";	4084	trace "perl_reload: removing ext/exti commands";
2747	%EXTCMD = ();	4085	%EXTCMD = ();
		4086	%EXTICMD = ();
2748		4087
2749	warn "unloading/nuking all extensions";	4088	trace "perl_reload: unloading/nuking all extensions";
2750	for my $pkg (@EXTS) {	4089	for my $pkg (@EXTS) {
2751	warn "... unloading $pkg";	4090	trace "... unloading $pkg";
2752		4091
2753	if (my $cb = $pkg->can ("unload")) {	4092	if (my $cb = $pkg->can ("unload")) {
2754	eval {	4093	eval {
2755	$cb->($pkg);	4094	$cb->($pkg);
2756	1	4095	1
2757	} or warn "$pkg unloaded, but with errors: $@";	4096	} or error "$pkg unloaded, but with errors: $@";
		4097	}
		4098
		4099	trace "... clearing $pkg";
		4100	clear_package $pkg;
2758	}	4101	}
2759		4102
2760	warn "... nuking $pkg";
2761	Symbol::delete_package $pkg;
2762	}
2763
2764	warn "unloading all perl modules loaded from $LIBDIR";	4103	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2765	while (my ($k, $v) = each %INC) {	4104	while (my ($k, $v) = each %INC) {
2766	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4105	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2767		4106
2768	warn "... unloading $k";	4107	trace "... unloading $k";
2769	delete $INC{$k};	4108	delete $INC{$k};
2770		4109
2771	$k =~ s/\.pm$//;	4110	$k =~ s/\.pm$//;
2772	$k =~ s/\//::/g;	4111	$k =~ s/\//::/g;
2773		4112
2774	if (my $cb = $k->can ("unload_module")) {	4113	if (my $cb = $k->can ("unload_module")) {
2775	$cb->();	4114	$cb->();
		4115	}
		4116
		4117	clear_package $k;
2776	}	4118	}
2777		4119
2778	Symbol::delete_package $k;
2779	}
2780
2781	warn "getting rid of safe::, as good as possible";	4120	trace "perl_reload: getting rid of safe::, as good as possible";
2782	Symbol::delete_package "safe::$_"	4121	clear_package "safe::$_"
2783	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4122	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2784		4123
2785	warn "unloading cf.pm \"a bit\"";	4124	trace "perl_reload: unloading cf.pm \"a bit\"";
2786	delete $INC{"cf.pm"};	4125	delete $INC{"cf.pm"};
2787	delete $INC{"cf/pod.pm"};	4126	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2788		4127
2789	# don't, removes xs symbols, too,	4128	# don't, removes xs symbols, too,
2790	# and global variables created in xs	4129	# and global variables created in xs
2791	#Symbol::delete_package __PACKAGE__;	4130	#clear_package __PACKAGE__;
2792		4131
2793	warn "unload completed, starting to reload now";	4132	info "perl_reload: unload completed, starting to reload now";
2794		4133
2795	warn "reloading cf.pm";	4134	trace "perl_reload: reloading cf.pm";
2796	require cf;	4135	require cf;
2797	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4136	cf::_connect_to_perl_1;
2798		4137
2799	warn "loading config and database again";	4138	trace "perl_reload: loading config and database again";
2800	cf::cfg_load;	4139	cf::reload_config;
2801		4140
2802	warn "loading extensions";	4141	trace "perl_reload: loading extensions";
2803	cf::load_extensions;	4142	cf::load_extensions;
2804		4143
		4144	if ($REATTACH_ON_RELOAD) {
2805	warn "reattaching attachments to objects/players";	4145	trace "perl_reload: reattaching attachments to objects/players";
2806	_global_reattach; # objects, sockets	4146	_global_reattach; # objects, sockets
2807	warn "reattaching attachments to maps";	4147	trace "perl_reload: reattaching attachments to maps";
2808	reattach $_ for values %MAP;	4148	reattach $_ for values %MAP;
2809	warn "reattaching attachments to players";	4149	trace "perl_reload: reattaching attachments to players";
2810	reattach $_ for values %PLAYER;	4150	reattach $_ for values %PLAYER;
		4151	}
2811		4152
2812	warn "leaving sync_job";	4153	cf::_post_init 1;
2813		4154
		4155	trace "perl_reload: leaving sync_job";
		4156
2814	1	4157	1
2815	} or do {	4158	} or do {
2816	warn $@;	4159	error $@;
2817	warn "error while reloading, exiting.";	4160	cf::cleanup "perl_reload: error, exiting.";
2818	exit 1;	4161	};
		4162
		4163	--$RELOAD;
2819	};	4164	}
2820		4165
2821	warn "reloaded";	4166	$t1 = AE::time - $t1;
		4167	info "perl_reload: completed in ${t1}s\n";
2822	};	4168	};
2823		4169
2824	our $RELOAD_WATCHER; # used only during reload	4170	our $RELOAD_WATCHER; # used only during reload
2825		4171
2826	sub reload_perl() {	4172	sub reload_perl() {
2827	# doing reload synchronously and two reloads happen back-to-back,	4173	# doing reload synchronously and two reloads happen back-to-back,
2828	# coro crashes during coro_state_free->destroy here.	4174	# coro crashes during coro_state_free->destroy here.
2829		4175
2830	$RELOAD_WATCHER ||= Event->timer (	4176	$RELOAD_WATCHER ||= cf::async {
2831	reentrant => 0,	4177	Coro::AIO::aio_wait cache_extensions;
2832	after => 0,	4178
2833	data => WF_AUTOCANCEL,	4179	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
2834	cb => sub {
2835	do_reload_perl;	4180	do_reload_perl;
2836	undef $RELOAD_WATCHER;	4181	undef $RELOAD_WATCHER;
2837	},	4182	};
2838	);	4183	};
2839	}	4184	}
2840		4185
2841	register_command "reload" => sub {	4186	register_command "reload" => sub {
2842	my ($who, $arg) = @_;	4187	my ($who, $arg) = @_;
2843		4188
2844	if ($who->flag (FLAG_WIZ)) {	4189	if ($who->flag (FLAG_WIZ)) {
2845	$who->message ("reloading server.");	4190	$who->message ("reloading server.");
		4191	async {
		4192	$Coro::current->{desc} = "perl_reload";
2846	async { reload_perl };	4193	reload_perl;
		4194	};
2847	}	4195	}
2848	};	4196	};
2849		4197
2850	unshift @INC, $LIBDIR;	4198	#############################################################################
2851		4199
2852	my $bug_warning = 0;	4200	my $bug_warning = 0;
2853		4201
2854	our @WAIT_FOR_TICK;
2855	our @WAIT_FOR_TICK_BEGIN;
2856
2857	sub wait_for_tick {	4202	sub wait_for_tick() {
2858	return unless $TICK_WATCHER->is_active;	4203	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2859	return if $Coro::current == $Coro::main;
2860		4204
2861	my $signal = new Coro::Signal;	4205	$WAIT_FOR_TICK->wait;
2862	push @WAIT_FOR_TICK, $signal;
2863	$signal->wait;
2864	}	4206	}
2865		4207
2866	sub wait_for_tick_begin {	4208	sub wait_for_tick_begin() {
2867	return unless $TICK_WATCHER->is_active;	4209	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
2868	return if $Coro::current == $Coro::main;
2869		4210
2870	my $signal = new Coro::Signal;	4211	my $signal = new Coro::Signal;
2871	push @WAIT_FOR_TICK_BEGIN, $signal;	4212	push @WAIT_FOR_TICK_BEGIN, $signal;
2872	$signal->wait;	4213	$signal->wait;
2873	}	4214	}
2874		4215
2875	my $min = 1e6;#d#	4216	sub tick {
2876	my $avg = 10;
2877	$TICK_WATCHER = Event->timer (
2878	reentrant => 0,
2879	parked => 1,
2880	prio => 0,
2881	at => $NEXT_TICK || $TICK,
2882	data => WF_AUTOCANCEL,
2883	cb => sub {
2884	if ($Coro::current != $Coro::main) {	4217	if ($Coro::current != $Coro::main) {
2885	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4218	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2886	unless ++$bug_warning > 10;	4219	unless ++$bug_warning > 10;
2887	return;	4220	return;
2888	}	4221	}
2889		4222
2890	$NOW = $tick_start = Event::time;	4223	cf::one_tick; # one server iteration
2891		4224
2892	cf::server_tick; # one server iteration	4225	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2893		4226
2894	0 && sync_job {#d#	4227	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2895	for(1..10) {	4228	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2896	my $t = Event::time;	4229	Coro::async_pool {
2897	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4230	$Coro::current->{desc} = "runtime saver";
2898	or die;	4231	write_runtime_sync
2899		4232	or error "ERROR: unable to write runtime file: $!";
2900	$map->width (50);
2901	$map->height (50);
2902	$map->alloc;
2903	$map->_load_objects ("/tmp/x.map", 1);
2904	my $t = Event::time - $t;
2905
2906	#next unless $t < 0.0013;#d#
2907	if ($t < $min) {
2908	$min = $t;
2909	}
2910	$avg = $avg * 0.99 + $t * 0.01;
2911	}
2912	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
2913	exit 0;
2914	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2915	};	4233	};
		4234	}
2916		4235
2917	$RUNTIME += $TICK;
2918	$NEXT_TICK += $TICK;
2919
2920	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2921	$NEXT_RUNTIME_WRITE = $NOW + 10;
2922	Coro::async_pool {
2923	write_runtime
2924	or warn "ERROR: unable to write runtime file: $!";
2925	};
2926	}
2927
2928	# my $AFTER = Event::time;
2929	# warn $AFTER - $NOW;#d#
2930
2931	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2932	$sig->send;	4237	$sig->send;
2933	}	4238	}
2934	while (my $sig = shift @WAIT_FOR_TICK) {	4239	$WAIT_FOR_TICK->broadcast;
2935	$sig->send;
2936	}
2937		4240
2938	$NOW = Event::time;	4241	$LOAD = ($NOW - $TICK_START) / $TICK;
2939
2940	# if we are delayed by four ticks or more, skip them all
2941	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2942
2943	$TICK_WATCHER->at ($NEXT_TICK);
2944	$TICK_WATCHER->start;
2945
2946	$LOAD = ($NOW - $tick_start) / $TICK;
2947	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4242	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2948		4243
2949	_post_tick;	4244	if (0) {
2950		4245	if ($NEXT_TICK) {
2951		4246	my $jitter = $TICK_START - $NEXT_TICK;
		4247	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4248	debug "jitter $JITTER\n";#d#
		4249	}
2952	},	4250	}
2953	);	4251	}
2954		4252
2955	{	4253	{
2956	BDB::max_poll_time $TICK * 0.1;	4254	# configure BDB
2957	$BDB_POLL_WATCHER = Event->io (	4255	info "initialising database";
2958	reentrant => 0,	4256
2959	fd => BDB::poll_fileno,
2960	poll => 'r',
2961	prio => 0,
2962	data => WF_AUTOCANCEL,
2963	cb => \&BDB::poll_cb,
2964	);
2965	BDB::min_parallel 8;	4257	BDB::min_parallel 16;
2966		4258	BDB::max_poll_reqs $TICK * 0.1;
2967	BDB::set_sync_prepare {	4259	#$AnyEvent::BDB::WATCHER->priority (1);
2968	my $status;
2969	my $current = $Coro::current;
2970	(
2971	sub {
2972	$status = $!;
2973	$current->ready; undef $current;
2974	},
2975	sub {
2976	Coro::schedule while defined $current;
2977	$! = $status;
2978	},
2979	)
2980	};
2981		4260
2982	unless ($DB_ENV) {	4261	unless ($DB_ENV) {
2983	$DB_ENV = BDB::db_env_create;	4262	$DB_ENV = BDB::db_env_create;
		4263	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4264	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4265	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4266	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4267	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2984		4268
2985	cf::sync_job {	4269	cf::sync_job {
2986	eval {	4270	eval {
2987	BDB::db_env_open	4271	BDB::db_env_open
2988	$DB_ENV,	4272	$DB_ENV,
…		…
2990	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4274	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2991	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4275	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2992	0666;	4276	0666;
2993		4277
2994	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4278	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2995
2996	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2997	$DB_ENV->set_lk_detect;
2998	};	4279	};
2999		4280
3000	cf::cleanup "db_env_open(db): $@" if $@;	4281	cf::cleanup "db_env_open(db): $@" if $@;
3001	};	4282	};
3002	}	4283	}
		4284
		4285	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4286	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4287	};
		4288	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4289	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4290	};
		4291	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4292	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4293	};
		4294
		4295	info "database initialised";
3003	}	4296	}
3004		4297
3005	{	4298	{
		4299	# configure IO::AIO
		4300
		4301	info "initialising aio";
3006	IO::AIO::min_parallel 8;	4302	IO::AIO::min_parallel 8;
3007
3008	undef $Coro::AIO::WATCHER;
3009	IO::AIO::max_poll_time $TICK * 0.1;	4303	IO::AIO::max_poll_time $TICK * 0.1;
3010	$AIO_POLL_WATCHER = Event->io (	4304	undef $AnyEvent::AIO::WATCHER;
3011	reentrant => 0,	4305	info "aio initialised";
3012	data => WF_AUTOCANCEL,
3013	fd => IO::AIO::poll_fileno,
3014	poll => 'r',
3015	prio => 6,
3016	cb => \&IO::AIO::poll_cb,
3017	);
3018	}	4306	}
3019		4307
3020	my $_log_backtrace;	4308	our $_log_backtrace;
		4309	our $_log_backtrace_last;
3021		4310
3022	sub _log_backtrace {	4311	sub _log_backtrace {
3023	my ($msg, @addr) = @_;	4312	my ($msg, @addr) = @_;
3024		4313
3025	$msg =~ s/\n//;	4314	$msg =~ s/\n$//;
3026		4315
		4316	if ($_log_backtrace_last eq $msg) {
		4317	LOG llevInfo, "[ABT] $msg\n";
		4318	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3027	# limit the # of concurrent backtraces	4319	# limit the # of concurrent backtraces
3028	if ($_log_backtrace < 2) {	4320	} elsif ($_log_backtrace < 2) {
		4321	$_log_backtrace_last = $msg;
3029	++$_log_backtrace;	4322	++$_log_backtrace;
		4323	my $perl_bt = Carp::longmess $msg;
3030	async {	4324	async {
		4325	$Coro::current->{desc} = "abt $msg";
		4326
3031	my @bt = fork_call {	4327	my @bt = fork_call {
3032	@addr = map { sprintf "%x", $_ } @addr;	4328	@addr = map { sprintf "%x", $_ } @addr;
3033	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4329	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3034	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4330	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3035	or die "addr2line: $!";	4331	or die "addr2line: $!";
…		…
3043	}	4339	}
3044		4340
3045	@funcs	4341	@funcs
3046	};	4342	};
3047		4343
3048	LOG llevInfo, "[ABT] $msg\n";	4344	LOG llevInfo, "[ABT] $perl_bt\n";
		4345	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3049	LOG llevInfo, "[ABT] $_\n" for @bt;	4346	LOG llevInfo, "[ABT] $_\n" for @bt;
3050	--$_log_backtrace;	4347	--$_log_backtrace;
3051	};	4348	};
3052	} else {	4349	} else {
3053	LOG llevInfo, "[ABT] $msg\n";	4350	LOG llevInfo, "[ABT] $msg\n";
3054	LOG llevInfo, "[ABT] [suppressed]\n";	4351	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3055	}	4352	}
3056	}	4353	}
3057		4354
3058	# load additional modules	4355	# load additional modules
3059	use cf::pod;	4356	require "cf/$_.pm" for @EXTRA_MODULES;
		4357	cf::_connect_to_perl_2;
3060		4358
3061	END { cf::emergency_save }	4359	END { cf::emergency_save }
3062		4360
3063	1	4361	1
3064		4362

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