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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.295 by root, Wed Jul 4 05:08:15 2007 UTC vs.
Revision 1.623 by root, Wed Aug 30 14:18:51 2017 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Socket;	29	use Socket;
9	use Storable;	30	use EV;
10	use Event;
11	use Opcode;	31	use Opcode;
12	use Safe;	32	use Safe;
13	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
14		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
15	use Coro 3.61 ();	41	use Coro ();
16	use Coro::State;	42	use Coro::State;
17	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
18	use Coro::Event;	45	use Coro::AnyEvent;
19	use Coro::Timer;	46	use Coro::Timer;
20	use Coro::Signal;	47	use Coro::Signal;
21	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
22	use Coro::AIO;	51	use Coro::AIO;
		52	use Coro::BDB 1.6;
23	use Coro::Storable;	53	use Coro::Storable;
		54	use Coro::Util ();
24		55
		56	use Guard ();
25	use JSON::XS 1.4 ();	57	use JSON::XS 2.01 ();
26	use BDB ();	58	use BDB ();
27	use Data::Dumper;	59	use Data::Dumper;
28	use Digest::MD5;
29	use Fcntl;	60	use Fcntl;
30	use YAML::Syck ();	61	use YAML::XS ();
		62	use CBOR::XS ();
31	use IO::AIO 2.32 ();	63	use IO::AIO ();
32	use Time::HiRes;
33	use Compress::LZF;	64	use Compress::LZF;
		65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
34		68
35	# configure various modules to our taste	69	# configure various modules to our taste
36	#	70	#
37	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
40		79
41	$Event::Eval = 1; # no idea why this is required, but it is	80	# strictly for debugging
42		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
44	$YAML::Syck::ImplicitUnicode = 1;
45
46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
47		82
48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
49		86
50	our %COMMAND = ();	87	our %COMMAND = ();
51	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
52		89
53	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
54	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
55	our %EXTICMD = ();	93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
56	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
57	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
58		97
59	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
60	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
61		102
62	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
63	our $DATADIR = datadir;	105	our $DATADIR = datadir;
64	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
65	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
66	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
67	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
68	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
71	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
72	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
		116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
73		126
74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
75	our $TICK_WATCHER;
76	our $AIO_POLL_WATCHER;
77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
78	our $NEXT_TICK;	129	our $NEXT_TICK;
		130	our $USE_FSYNC = 1; # use fsync to write maps - default on
		131
		132	our $BDB_DEADLOCK_WATCHER;
		133	our $BDB_CHECKPOINT_WATCHER;
		134	our $BDB_TRICKLE_WATCHER;
		135	our $DB_ENV;
		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
		139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
		141
		142	our $UPTIME; $UPTIME ||= time;
		143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
79	our $NOW;	145	our $NOW;
80	our $USE_FSYNC = 1; # use fsync to write maps - default off
81		146
82	our $BDB_POLL_WATCHER;	147	our (%PLAYER, %PLAYER_LOADING); # all users
83	our $DB_ENV;	148	our (%MAP, %MAP_LOADING ); # all maps
84
85	our %CFG;
86
87	our $UPTIME; $UPTIME ||= time;
88	our $RUNTIME;
89
90	our %PLAYER; # all users
91	our %MAP; # all maps
92	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
93		150
94	# used to convert map paths into valid unix filenames by replacing / by ∕	151	# used to convert map paths into valid unix filenames by replacing / by ∕
95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	152	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
96		153
97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
98	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
		156	our $JITTER; # average jitter
99	our $tick_start; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
100		166
101	binmode STDOUT;	167	binmode STDOUT;
102	binmode STDERR;	168	binmode STDERR;
103		169
104	# read virtual server time, if available	170	# read virtual server time, if available
105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
106	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
107	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
108	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
109	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
110		178
111	mkdir $_	179	mkdir $_
112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
113		181
114	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
115		183
116	sub cf::map::normalise;	184	sub cf::map::normalise;
117		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
118	#############################################################################	190	#############################################################################
119		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
120	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
121		204
122	=over 4	205	=over 4
123		206
124	=item $cf::UPTIME	207	=item $cf::UPTIME
125		208
126	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
127		225
128	=item $cf::RUNTIME	226	=item $cf::RUNTIME
129		227
130	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
131	every server tick.	229	every server tick.
132		230
133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
136		234
137	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
139	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
140	database environment.	238	database environment.
141		239
142	=item $cf::NOW
143
144	The time of the last (current) server tick.
145
146	=item $cf::TICK
147
148	The interval between server ticks, in seconds.
149
150	=item $cf::LOADAVG	240	=item $cf::LOADAVG
151		241
152	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
153	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
154	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
157		247
158	The raw value load value from the last tick.	248	The raw value load value from the last tick.
159		249
160	=item %cf::CFG	250	=item %cf::CFG
161		251
162	Configuration for the server, loaded from C</etc/crossfire/config>, or	252	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
163	from wherever your confdir points to.	253	from wherever your confdir points to.
164		254
165	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
166		256
167	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick.
168	returns directly I<after> the tick processing (and consequently, can only wake one process	258	cf::wait_for_tick_begin only returns directly I<after> the tick
		259	processing (and consequently, can only wake one thread per tick), while
169	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	260	cf::wait_for_tick wakes up all waiters after tick processing.
		261
		262	Note that cf::wait_for_tick will immediately return when the server is not
		263	ticking, making it suitable for small pauses in threads that need to run
		264	when the server is paused. If that is not applicable (i.e. you I<really>
		265	want to wait, use C<$cf::WAIT_FOR_TICK>).
		266
		267	=item $cf::WAIT_FOR_TICK
		268
		269	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		270	variable contains a L<Coro::Signal> that is broadcats after every server
		271	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		272	next server tick.
		273
		274	=cut
		275
		276	sub wait_for_tick();
		277	sub wait_for_tick_begin();
		278
		279	=item @cf::INVOKE_RESULTS
		280
		281	This array contains the results of the last C<invoke ()> call. When
		282	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		283	that call.
		284
		285	=item %cf::REFLECT
		286
		287	Contains, for each (C++) class name, a hash reference with information
		288	about object members (methods, scalars, arrays and flags) and other
		289	metadata, which is useful for introspection.
170		290
171	=back	291	=back
172		292
173	=cut	293	=cut
174		294
175	BEGIN {	295	sub error(@) { LOG llevError, join "", @_ }
176	*CORE::GLOBAL::warn = sub {	296	sub warn (@) { LOG llevWarn , join "", @_ }
		297	sub info (@) { LOG llevInfo , join "", @_ }
		298	sub debug(@) { LOG llevDebug, join "", @_ }
		299	sub trace(@) { LOG llevTrace, join "", @_ }
		300
		301	$Coro::State::WARNHOOK = sub {
177	my $msg = join "", @_;	302	my $msg = join "", @_;
178		303
179	$msg .= "\n"	304	$msg .= "\n"
180	unless $msg =~ /\n$/;	305	unless $msg =~ /\n$/;
181		306
182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	307	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
183		308
184	utf8::encode $msg;
185	LOG llevError, $msg;	309	LOG llevWarn, $msg;
186	};	310	};
187	}	311
		312	$Coro::State::DIEHOOK = sub {
		313	return unless $^S eq 0; # "eq", not "=="
		314
		315	error Carp::longmess $_[0];
		316
		317	if (in_main) {#d#
		318	error "DIEHOOK called in main context, Coro bug?\n";#d#
		319	return;#d#
		320	}#d#
		321
		322	# kill coroutine otherwise
		323	Coro::terminate
		324	};
188		325
189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	326	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	327	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	328	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	329	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
199	for my $pkg (qw(	336	for my $pkg (qw(
200	cf::global cf::attachable	337	cf::global cf::attachable
201	cf::object cf::object::player	338	cf::object cf::object::player
202	cf::client cf::player	339	cf::client cf::player
203	cf::arch cf::living	340	cf::arch cf::living
		341	cf::map cf::mapspace
204	cf::map cf::party cf::region	342	cf::party cf::region
205	)) {	343	)) {
206	no strict 'refs';
207	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	344	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
208	}	345	}
209		346
210	$Event::DIED = sub {	347	$EV::DIED = sub {
211	warn "error in event callback: @_";	348	warn "error in event callback: $@";
212	};	349	};
		350
		351	#############################################################################
		352
		353	sub fork_call(&@);
		354	sub get_slot($;$$);
213		355
214	#############################################################################	356	#############################################################################
215		357
216	=head2 UTILITY FUNCTIONS	358	=head2 UTILITY FUNCTIONS
217		359
…		…
238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	380	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
239	$d	381	$d
240	} || "[unable to dump $_[0]: '$@']";	382	} || "[unable to dump $_[0]: '$@']";
241	}	383	}
242		384
		385	=item $scalar = cf::load_file $path
		386
		387	Loads the given file from path and returns its contents. Croaks on error
		388	and can block.
		389
		390	=cut
		391
		392	sub load_file($) {
		393	0 <= aio_load $_[0], my $data
		394	or Carp::croak "$_[0]: $!";
		395
		396	$data
		397	}
		398
		399	=item $success = cf::replace_file $path, $data, $sync
		400
		401	Atomically replaces the file at the given $path with new $data, and
		402	optionally $sync the data to disk before replacing the file.
		403
		404	=cut
		405
		406	sub replace_file($$;$) {
		407	my ($path, $data, $sync) = @_;
		408
		409	my $lock = cf::lock_acquire ("replace_file:$path");
		410
		411	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		412	or return;
		413
		414	$data = $data->() if ref $data;
		415
		416	length $data == aio_write $fh, 0, (length $data), $data, 0
		417	or return;
		418
		419	!$sync
		420	or !aio_fsync $fh
		421	or return;
		422
		423	aio_close $fh
		424	and return;
		425
		426	aio_rename "$path~", $path
		427	and return;
		428
		429	if ($sync) {
		430	$path =~ s%/[^/]*$%%;
		431	aio_pathsync $path;
		432	}
		433
		434	1
		435	}
		436
243	=item $ref = cf::from_json $json	437	=item $ref = cf::decode_json $json
244		438
245	Converts a JSON string into the corresponding perl data structure.	439	Converts a JSON string into the corresponding perl data structure.
246		440
247	=item $json = cf::to_json $ref	441	=item $json = cf::encode_json $ref
248		442
249	Converts a perl data structure into its JSON representation.	443	Converts a perl data structure into its JSON representation.
250		444
251	=cut	445	=cut
252		446
253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	447	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
254		448
255	sub to_json ($) { $json_coder->encode ($_[0]) }	449	sub encode_json($) { $json_coder->encode ($_[0]) }
256	sub from_json ($) { $json_coder->decode ($_[0]) }	450	sub decode_json($) { $json_coder->decode ($_[0]) }
		451
		452	=item $ref = cf::decode_storable $scalar
		453
		454	Same as Coro::Storable::thaw, so blocks.
		455
		456	=cut
		457
		458	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		459
		460	=item $ref = cf::decode_yaml $scalar
		461
		462	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		463
		464	=cut
		465
		466	sub decode_yaml($) {
		467	fork_call { YAML::XS::Load $_[0] } @_
		468	}
		469
		470	=item $scalar = cf::decode_cbor $scalar
		471
		472	Same as CBOR::XS::decode_cbor, but takes server ticks into account, so
		473	blocks. For small amounts of data, C<CBOR::XS::decode_cbor> is the better
		474	alternative.
		475
		476	=cut
		477
		478	sub decode_cbor($) {
		479	# we assume 10mb/s minimum decoding speed (on a ~2ghz machine)
		480	cf::get_slot +(length $_[0]) / 10_000_000, 0, "decode_cbor";
		481	CBOR::XS::decode_cbor $_[0]
		482	}
		483
		484	=item $scalar = cf::unlzf $scalar
		485
		486	Same as Compress::LZF::compress, but takes server ticks into account, so
		487	blocks.
		488
		489	=cut
		490
		491	sub unlzf($) {
		492	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		493	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		494	Compress::LZF::decompress $_[0]
		495	}
		496
		497	=item cf::post_init { BLOCK }
		498
		499	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		500	but I<before> the server starts ticking again.
		501
		502	The codeblock will have a single boolean argument to indicate whether this
		503	is a reload or not.
		504
		505	=cut
		506
		507	sub post_init(&) {
		508	push @POST_INIT, shift;
		509	}
		510
		511	sub _post_init {
		512	trace "running post_init jobs";
		513
		514	# run them in parallel...
		515
		516	my @join;
		517
		518	while () {
		519	push @join, map &Coro::async ($_, 0), @POST_INIT;
		520	@POST_INIT = ();
		521
		522	@join or last;
		523
		524	(pop @join)->join;
		525	}
		526	}
257		527
258	=item cf::lock_wait $string	528	=item cf::lock_wait $string
259		529
260	Wait until the given lock is available. See cf::lock_acquire.	530	Wait until the given lock is available. See cf::lock_acquire.
261		531
262	=item my $lock = cf::lock_acquire $string	532	=item my $lock = cf::lock_acquire $string
263		533
264	Wait until the given lock is available and then acquires it and returns	534	Wait until the given lock is available and then acquires it and returns
265	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	535	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
266	for example when the coroutine gets canceled), the lock is automatically	536	for example when the coroutine gets canceled), the lock is automatically
267	returned.	537	returned.
268		538
		539	Locks are *not* recursive, locking from the same coro twice results in a
		540	deadlocked coro.
		541
269	Lock names should begin with a unique identifier (for example, cf::map::find	542	Lock names should begin with a unique identifier (for example, cf::map::find
270	uses map_find and cf::map::load uses map_load).	543	uses map_find and cf::map::load uses map_load).
271		544
272	=item $locked = cf::lock_active $string	545	=item $locked = cf::lock_active $string
273		546
274	Return true if the lock is currently active, i.e. somebody has locked it.	547	Return true if the lock is currently active, i.e. somebody has locked it.
275		548
276	=cut	549	=cut
277		550
278	our %LOCK;	551	our $LOCKS = new Coro::SemaphoreSet;
279		552
280	sub lock_wait($) {	553	sub lock_wait($) {
281	my ($key) = @_;	554	$LOCKS->wait ($_[0]);
282
283	# wait for lock, if any
284	while ($LOCK{$key}) {
285	push @{ $LOCK{$key} }, $Coro::current;
286	Coro::schedule;
287	}
288	}	555	}
289		556
290	sub lock_acquire($) {	557	sub lock_acquire($) {
291	my ($key) = @_;	558	$LOCKS->guard ($_[0])
292
293	# wait, to be sure we are not locked
294	lock_wait $key;
295
296	$LOCK{$key} = [];
297
298	Coro::guard {
299	# wake up all waiters, to be on the safe side
300	$_->ready for @{ delete $LOCK{$key} };
301	}
302	}	559	}
303		560
304	sub lock_active($) {	561	sub lock_active($) {
305	my ($key) = @_;	562	$LOCKS->count ($_[0]) < 1
306
307	! ! $LOCK{$key}
308	}	563	}
309		564
310	sub freeze_mainloop {	565	sub freeze_mainloop {
311	return unless $TICK_WATCHER->is_active;	566	tick_inhibit_inc;
312		567
313	my $guard = Coro::guard {	568	&Guard::guard (\&tick_inhibit_dec);
314	$TICK_WATCHER->start;	569	}
		570
		571	=item cf::periodic $interval, $cb
		572
		573	Like EV::periodic, but randomly selects a starting point so that the actions
		574	get spread over time.
		575
		576	=cut
		577
		578	sub periodic($$) {
		579	my ($interval, $cb) = @_;
		580
		581	my $start = rand List::Util::min 180, $interval;
		582
		583	EV::periodic $start, $interval, 0, $cb
		584	}
		585
		586	=item cf::get_slot $time[, $priority[, $name]]
		587
		588	Allocate $time seconds of blocking CPU time at priority C<$priority>
		589	(default: 0): This call blocks and returns only when you have at least
		590	C<$time> seconds of cpu time till the next tick. The slot is only valid
		591	till the next cede.
		592
		593	Background jobs should use a priority less than zero, interactive jobs
		594	should use 100 or more.
		595
		596	The optional C<$name> can be used to identify the job to run. It might be
		597	used for statistical purposes and should identify the same time-class.
		598
		599	Useful for short background jobs.
		600
		601	=cut
		602
		603	our @SLOT_QUEUE;
		604	our $SLOT_QUEUE;
		605	our $SLOT_DECAY = 0.9;
		606
		607	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		608	$SLOT_QUEUE = Coro::async {
		609	$Coro::current->desc ("timeslot manager");
		610
		611	my $signal = new Coro::Signal;
		612	my $busy;
		613
		614	while () {
		615	next_job:
		616
		617	Coro::cede;
		618
		619	my $avail = cf::till_tick;
		620
		621	for (0 .. $#SLOT_QUEUE) {
		622	if ($SLOT_QUEUE[$_][0] <= $avail) {
		623	$busy = 0;
		624	my $job = splice @SLOT_QUEUE, $_, 1, ();
		625	$job->[2]->send;
		626	goto next_job;
		627	} else {
		628	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		629	}
		630	}
		631
		632	if (@SLOT_QUEUE) {
		633	wait_for_tick;
		634	} else {
		635	$busy = 0;
		636	Coro::schedule;
		637	}
315	};	638	}
316	$TICK_WATCHER->stop;	639	};
317	$guard	640
		641	sub get_slot($;$$) {
		642	return if tick_inhibit || $Coro::current == $Coro::main;
		643
		644	my ($time, $pri, $name) = @_;
		645
		646	$time = clamp $time, 0.01, $TICK * .6;
		647
		648	my $sig = new Coro::Signal;
		649
		650	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		651	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		652	$SLOT_QUEUE->ready;
		653	$sig->wait;
318	}	654	}
319		655
320	=item cf::async { BLOCK }	656	=item cf::async { BLOCK }
321		657
322	Currently the same as Coro::async_pool, meaning you cannot use	658	Currently the same as Coro::async_pool, meaning you cannot use
…		…
327		663
328	BEGIN { *async = \&Coro::async_pool }	664	BEGIN { *async = \&Coro::async_pool }
329		665
330	=item cf::sync_job { BLOCK }	666	=item cf::sync_job { BLOCK }
331		667
332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)	668	The design of Deliantra requires that the main coroutine ($Coro::main)
333	is always able to handle events or runnable, as Crossfire TRT is only	669	is always able to handle events or is runnable, as Deliantra is only
334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not	670	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
335	acceptable.	671	acceptable.
336		672
337	If it must be done, put the blocking parts into C<sync_job>. This will run	673	If it must be done, put the blocking parts into C<sync_job>. This will run
338	the given BLOCK in another coroutine while waiting for the result. The	674	the given BLOCK in another coroutine while waiting for the result. The
…		…
342	=cut	678	=cut
343		679
344	sub sync_job(&) {	680	sub sync_job(&) {
345	my ($job) = @_;	681	my ($job) = @_;
346		682
347	if ($Coro::current == $Coro::main) {	683	if (in_main) {
348	my $time = Event::time;	684	my $time = AE::time;
349		685
350	# this is the main coro, too bad, we have to block	686	# this is the main coro, too bad, we have to block
351	# till the operation succeeds, freezing the server :/	687	# till the operation succeeds, freezing the server :/
352		688
353	# TODO: use suspend/resume instead	689	#LOG llevError, Carp::longmess "sync job";#d#
354	# (but this is cancel-safe)	690
355	my $freeze_guard = freeze_mainloop;	691	my $freeze_guard = freeze_mainloop;
356		692
357	my $busy = 1;	693	my $busy = 1;
358	my @res;	694	my @res;
359		695
360	(async {	696	(async {
		697	$Coro::current->desc ("sync job coro");
361	@res = eval { $job->() };	698	@res = eval { $job->() };
362	warn $@ if $@;	699	error $@ if $@;
363	undef $busy;	700	undef $busy;
364	})->prio (Coro::PRIO_MAX);	701	})->prio (Coro::PRIO_MAX);
365		702
366	while ($busy) {	703	while ($busy) {
367	Coro::cede or Event::one_event;	704	if (Coro::nready) {
		705	Coro::cede_notself;
		706	} else {
		707	EV::run EV::RUN_ONCE;
368	}	708	}
		709	}
369		710
370	$time = Event::time - $time;	711	my $time = AE::time - $time;
371		712
372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
374
375	$tick_start += $time; # do not account sync jobs to server load	713	$TICK_START += $time; # do not account sync jobs to server load
376		714
377	wantarray ? @res : $res[0]	715	wantarray ? @res : $res[0]
378	} else {	716	} else {
379	# we are in another coroutine, how wonderful, everything just works	717	# we are in another coroutine, how wonderful, everything just works
380		718
…		…
400	$EXT_CORO{$coro+0} = $coro;	738	$EXT_CORO{$coro+0} = $coro;
401		739
402	$coro	740	$coro
403	}	741	}
404		742
405	=item fork_call { }, $args	743	=item fork_call { }, @args
406		744
407	Executes the given code block with the given arguments in a seperate	745	Executes the given code block with the given arguments in a seperate
408	process, returning the results. Everything must be serialisable with	746	process, returning the results. Everything must be serialisable with
409	Coro::Storable. May, of course, block. Note that the executed sub may	747	Coro::Storable. May, of course, block. Note that the executed sub may
410	never block itself or use any form of Event handling.	748	never block itself or use any form of event handling.
411		749
412	=cut	750	=cut
		751
		752	sub post_fork {
		753	reset_signals;
		754	}
413		755
414	sub fork_call(&@) {	756	sub fork_call(&@) {
415	my ($cb, @args) = @_;	757	my ($cb, @args) = @_;
416		758
417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC	759	my @res = Coro::Util::fork_eval {
418	# or die "socketpair: $!";	760	cf::post_fork;
419	pipe my $fh1, my $fh2	761	&$cb
420	or die "pipe: $!";	762	} @args;
421		763
422	if (my $pid = fork) {	764	wantarray ? @res : $res[-1]
423	close $fh2;	765	}
424		766
425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);	767	sub objinfo {
426	$res = Coro::Storable::thaw $res;
427
428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
429
430	die $$res unless "ARRAY" eq ref $res;
431
432	return wantarray ? @$res : $res->[-1];
433	} else {
434	reset_signals;
435	local $SIG{__WARN__};
436	local $SIG{__DIE__};
437	eval {
438	close $fh1;
439
440	my @res = eval { $cb->(@args) };
441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
442	};
443
444	warn $@ if $@;
445	_exit 0;
446	}	768	(
		769	"counter value" => cf::object::object_count,
		770	"objects created" => cf::object::create_count,
		771	"objects destroyed" => cf::object::destroy_count,
		772	"freelist size" => cf::object::free_count,
		773	"allocated objects" => cf::object::objects_size,
		774	"active objects" => cf::object::actives_size,
		775	)
		776	}
		777
		778	=item $coin = coin_from_name $name
		779
		780	=cut
		781
		782	our %coin_alias = (
		783	"silver" => "silvercoin",
		784	"silvercoin" => "silvercoin",
		785	"silvercoins" => "silvercoin",
		786	"gold" => "goldcoin",
		787	"goldcoin" => "goldcoin",
		788	"goldcoins" => "goldcoin",
		789	"platinum" => "platinacoin",
		790	"platinumcoin" => "platinacoin",
		791	"platinumcoins" => "platinacoin",
		792	"platina" => "platinacoin",
		793	"platinacoin" => "platinacoin",
		794	"platinacoins" => "platinacoin",
		795	"royalty" => "royalty",
		796	"royalties" => "royalty",
		797	);
		798
		799	sub coin_from_name($) {
		800	$coin_alias{$_[0]}
		801	? cf::arch::find $coin_alias{$_[0]}
		802	: undef
447	}	803	}
448		804
449	=item $value = cf::db_get $family => $key	805	=item $value = cf::db_get $family => $key
450		806
451	Returns a single value from the environment database.	807	Returns a single value from the environment database.
…		…
453	=item cf::db_put $family => $key => $value	809	=item cf::db_put $family => $key => $value
454		810
455	Stores the given C<$value> in the family. It can currently store binary	811	Stores the given C<$value> in the family. It can currently store binary
456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).	812	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
457		813
		814	=item $db = cf::db_table "name"
		815
		816	Create and/or open a new database table. The string must not be "db" and must be unique
		817	within each server.
		818
458	=cut	819	=cut
		820
		821	sub db_table($) {
		822	cf::error "db_get called from main context"
		823	if $Coro::current == $Coro::main;
		824
		825	my ($name) = @_;
		826	my $db = BDB::db_create $DB_ENV;
		827
		828	eval {
		829	$db->set_flags (BDB::CHKSUM);
		830
		831	utf8::encode $name;
		832	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		833	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		834	cf::cleanup "db_open(db): $!" if $!;
		835	};
		836	cf::cleanup "db_open(db): $@" if $@;
		837
		838	$db
		839	}
459		840
460	our $DB;	841	our $DB;
461		842
462	sub db_init {	843	sub db_init {
463	unless ($DB) {	844	$DB ||= db_table "db";
464	$DB = BDB::db_create $DB_ENV;
465
466	cf::sync_job {
467	eval {
468	$DB->set_flags (BDB::CHKSUM);
469
470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
472	cf::cleanup "db_open(db): $!" if $!;
473	};
474	cf::cleanup "db_open(db): $@" if $@;
475	};
476	}
477	}	845	}
478		846
479	sub db_get($$) {	847	sub db_get($$) {
480	my $key = "$_[0]/$_[1]";	848	my $key = "$_[0]/$_[1]";
481		849
482	cf::sync_job {	850	cf::error "db_get called from main context"
		851	if $Coro::current == $Coro::main;
		852
483	BDB::db_get $DB, undef, $key, my $data;	853	BDB::db_get $DB, undef, $key, my $data;
484		854
485	$! ? ()	855	$! ? ()
486	: $data	856	: $data
487	}
488	}	857	}
489		858
490	sub db_put($$$) {	859	sub db_put($$$) {
491	BDB::dbreq_pri 4;	860	BDB::dbreq_pri 4;
492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	861	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
520		889
521	my @data;	890	my @data;
522	my $md5;	891	my $md5;
523		892
524	for (0 .. $#$src) {	893	for (0 .. $#$src) {
525	0 <= aio_load $src->[$_], $data[$_]	894	$data[$_] = load_file $src->[$_];
526	or Carp::croak "$src->[$_]: $!";
527	}	895	}
528		896
529	# if processing is expensive, check	897	# if processing is expensive, check
530	# checksum first	898	# checksum first
531	if (1) {	899	if (1) {
532	$md5 =	900	$md5 =
533	join "\x00",	901	join "\x00",
534	$processversion,	902	$processversion,
535	map {	903	map {
536	Coro::cede;	904	cf::cede_to_tick;
537	($src->[$_], Digest::MD5::md5_hex $data[$_])	905	($src->[$_], Digest::MD5::md5_hex $data[$_])
538	} 0.. $#$src;	906	} 0.. $#$src;
539		907
540		908
541	my $dbmd5 = db_get cache => "$id/md5";	909	my $dbmd5 = db_get cache => "$id/md5";
…		…
544		912
545	return db_get cache => "$id/data";	913	return db_get cache => "$id/data";
546	}	914	}
547	}	915	}
548		916
549	my $t1 = Time::HiRes::time;	917	my $t1 = EV::time;
550	my $data = $process->(\@data);	918	my $data = $process->(\@data);
551	my $t2 = Time::HiRes::time;	919	my $t2 = EV::time;
552		920
553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	921	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
554		922
555	db_put cache => "$id/data", $data;	923	db_put cache => "$id/data", $data;
556	db_put cache => "$id/md5" , $md5;	924	db_put cache => "$id/md5" , $md5;
557	db_put cache => "$id/meta", $meta;	925	db_put cache => "$id/meta", $meta;
558		926
…		…
568		936
569	=cut	937	=cut
570		938
571	sub datalog($@) {	939	sub datalog($@) {
572	my ($type, %kv) = @_;	940	my ($type, %kv) = @_;
573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	941	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
574	}	942	}
575		943
576	=back	944	=back
577		945
578	=cut	946	=cut
579		947
580	#############################################################################	948	#############################################################################
581		949
582	=head2 ATTACHABLE OBJECTS	950	=head2 ATTACHABLE OBJECTS
583		951
584	Many objects in crossfire are so-called attachable objects. That means you can	952	Many objects in deliantra are so-called attachable objects. That means you can
585	attach callbacks/event handlers (a collection of which is called an "attachment")	953	attach callbacks/event handlers (a collection of which is called an "attachment")
586	to it. All such attachable objects support the following methods.	954	to it. All such attachable objects support the following methods.
587		955
588	In the following description, CLASS can be any of C<global>, C<object>	956	In the following description, CLASS can be any of C<global>, C<object>
589	C<player>, C<client> or C<map> (i.e. the attachable objects in	957	C<player>, C<client> or C<map> (i.e. the attachable objects in
590	Crossfire TRT).	958	Deliantra).
591		959
592	=over 4	960	=over 4
593		961
594	=item $attachable->attach ($attachment, key => $value...)	962	=item $attachable->attach ($attachment, key => $value...)
595		963
…		…
639	=item cf::CLASS::attachment $name, ...	1007	=item cf::CLASS::attachment $name, ...
640		1008
641	Register an attachment by C<$name> through which attachable objects of the	1009	Register an attachment by C<$name> through which attachable objects of the
642	given CLASS can refer to this attachment.	1010	given CLASS can refer to this attachment.
643		1011
644	Some classes such as crossfire maps and objects can specify attachments	1012	Some classes such as deliantra maps and objects can specify attachments
645	that are attached at load/instantiate time, thus the need for a name.	1013	that are attached at load/instantiate time, thus the need for a name.
646		1014
647	These calls expect any number of the following handler/hook descriptions:	1015	These calls expect any number of the following handler/hook descriptions:
648		1016
649	=over 4	1017	=over 4
…		…
773		1141
774	} elsif (exists $cb_id{$type}) {	1142	} elsif (exists $cb_id{$type}) {
775	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1143	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
776		1144
777	} elsif (ref $type) {	1145	} elsif (ref $type) {
778	warn "attaching objects not supported, ignoring.\n";	1146	error "attaching objects not supported, ignoring.\n";
779		1147
780	} else {	1148	} else {
781	shift @arg;	1149	shift @arg;
782	warn "attach argument '$type' not supported, ignoring.\n";	1150	error "attach argument '$type' not supported, ignoring.\n";
783	}	1151	}
784	}	1152	}
785	}	1153	}
786		1154
787	sub _object_attach {	1155	sub _object_attach {
…		…
797	_attach $registry, $klass, @attach;	1165	_attach $registry, $klass, @attach;
798	}	1166	}
799		1167
800	$obj->{$name} = \%arg;	1168	$obj->{$name} = \%arg;
801	} else {	1169	} else {
802	warn "object uses attachment '$name' which is not available, postponing.\n";	1170	info "object uses attachment '$name' which is not available, postponing.\n";
803	}	1171	}
804		1172
805	$obj->{_attachment}{$name} = undef;	1173	$obj->{_attachment}{$name} = undef;
806	}	1174	}
807		1175
…		…
847	";	1215	";
848	die if $@;	1216	die if $@;
849	}	1217	}
850		1218
851	our $override;	1219	our $override;
852	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1220	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
853		1221
854	sub override {	1222	sub override {
855	$override = 1;	1223	$override = 1;
856	@invoke_results = ();	1224	@INVOKE_RESULTS = (@_);
857	}	1225	}
858		1226
859	sub do_invoke {	1227	sub do_invoke {
860	my $event = shift;	1228	my $event = shift;
861	my $callbacks = shift;	1229	my $callbacks = shift;
862		1230
863	@invoke_results = ();	1231	@INVOKE_RESULTS = ();
864		1232
865	local $override;	1233	local $override;
866		1234
867	for (@$callbacks) {	1235	for (@$callbacks) {
868	eval { &{$_->[1]} };	1236	eval { &{$_->[1]} };
869		1237
870	if ($@) {	1238	if ($@) {
871	warn "$@";
872	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1239	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
873	override;	1240	override;
874	}	1241	}
875		1242
876	return 1 if $override;	1243	return 1 if $override;
877	}	1244	}
878		1245
879	0	1246	0
880	}	1247	}
881		1248
882	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1249	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
883		1250
884	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1251	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
885		1252
886	Generate an object-specific event with the given arguments.	1253	Generate an object-specific event with the given arguments.
887		1254
888	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1255	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
889	removed in future versions), and there is no public API to access override	1256	removed in future versions), and there is no public API to access override
890	results (if you must, access C<@cf::invoke_results> directly).	1257	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
891		1258
892	=back	1259	=back
893		1260
894	=cut	1261	=cut
895		1262
896	#############################################################################	1263	#############################################################################
897	# object support	1264	# object support
		1265
		1266	sub _object_equal($$);
		1267	sub _object_equal($$) {
		1268	my ($a, $b) = @_;
		1269
		1270	return 0 unless (ref $a) eq (ref $b);
		1271
		1272	if ("HASH" eq ref $a) {
		1273	my @ka = keys %$a;
		1274	my @kb = keys %$b;
		1275
		1276	return 0 if @ka != @kb;
		1277
		1278	for (0 .. $#ka) {
		1279	return 0 unless $ka[$_] eq $kb[$_];
		1280	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1281	}
		1282
		1283	} elsif ("ARRAY" eq ref $a) {
		1284
		1285	return 0 if @$a != @$b;
		1286
		1287	for (0 .. $#$a) {
		1288	return 0 unless _object_equal $a->[$_], $b->[$_];
		1289	}
		1290
		1291	} elsif ($a ne $b) {
		1292	return 0;
		1293	}
		1294
		1295	1
		1296	}
		1297
		1298	our $SLOW_MERGES;#d#
		1299	sub _can_merge {
		1300	my ($ob1, $ob2) = @_;
		1301
		1302	++$SLOW_MERGES;#d#
		1303
		1304	# we do the slow way here
		1305	return _object_equal $ob1, $ob2
		1306	}
898		1307
899	sub reattach {	1308	sub reattach {
900	# basically do the same as instantiate, without calling instantiate	1309	# basically do the same as instantiate, without calling instantiate
901	my ($obj) = @_;	1310	my ($obj) = @_;
902		1311
		1312	# no longer needed after getting rid of delete_package?
903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1313	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
904		1314
905	my $registry = $obj->registry;	1315	my $registry = $obj->registry;
906		1316
907	@$registry = ();	1317	@$registry = ();
908		1318
…		…
913	for (@$attach) {	1323	for (@$attach) {
914	my ($klass, @attach) = @$_;	1324	my ($klass, @attach) = @$_;
915	_attach $registry, $klass, @attach;	1325	_attach $registry, $klass, @attach;
916	}	1326	}
917	} else {	1327	} else {
918	warn "object uses attachment '$name' that is not available, postponing.\n";	1328	info "object uses attachment '$name' that is not available, postponing.\n";
919	}	1329	}
920	}	1330	}
921	}	1331	}
922		1332
923	cf::attachable->attach (	1333	cf::attachable->attach (
924	prio => -1000000,	1334	prio => -1000000,
925	on_instantiate => sub {	1335	on_instantiate => sub {
926	my ($obj, $data) = @_;	1336	my ($obj, $data) = @_;
927		1337
928	$data = from_json $data;	1338	$data = decode_json $data;
929		1339
930	for (@$data) {	1340	for (@$data) {
931	my ($name, $args) = @$_;	1341	my ($name, $args) = @$_;
932		1342
933	$obj->attach ($name, %{$args || {} });	1343	$obj->attach ($name, %{$args || {} });
…		…
949	sub object_freezer_save {	1359	sub object_freezer_save {
950	my ($filename, $rdata, $objs) = @_;	1360	my ($filename, $rdata, $objs) = @_;
951		1361
952	sync_job {	1362	sync_job {
953	if (length $$rdata) {	1363	if (length $$rdata) {
		1364	utf8::decode (my $decname = $filename);
954	warn sprintf "saving %s (%d,%d)\n",	1365	trace sprintf "saving %s (%d,%d)\n",
955	$filename, length $$rdata, scalar @$objs;	1366	$decname, length $$rdata, scalar @$objs
		1367	if $VERBOSE_IO;
956		1368
957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1369	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
958	chmod SAVE_MODE, $fh;	1370	aio_chmod $fh, SAVE_MODE;
959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1371	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
960	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1374	aio_fsync $fh;
		1375	}
961	close $fh;	1376	aio_close $fh;
962		1377
963	if (@$objs) {	1378	if (@$objs) {
964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1379	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
965	chmod SAVE_MODE, $fh;	1380	aio_chmod $fh, SAVE_MODE;
966	my $data = Storable::nfreeze { version => 1, objs => $objs };	1381	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
967	aio_write $fh, 0, (length $data), $data, 0;	1382	aio_write $fh, 0, (length $data), $data, 0;
968	aio_fsync $fh if $cf::USE_FSYNC;	1383	if ($cf::USE_FSYNC) {
		1384	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;
		1385	aio_fsync $fh;
		1386	}
969	close $fh;	1387	aio_close $fh;
970	aio_rename "$filename.pst~", "$filename.pst";	1388	aio_rename "$filename.pst~", "$filename.pst";
971	}	1389	}
972	} else {	1390	} else {
973	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
974	}	1392	}
975		1393
976	aio_rename "$filename~", $filename;	1394	aio_rename "$filename~", $filename;
		1395
		1396	$filename =~ s%/[^/]+$%%;
		1397	aio_pathsync $filename if $cf::USE_FSYNC;
977	} else {	1398	} else {
978	warn "FATAL: $filename~: $!\n";	1399	error "unable to save objects: $filename~: $!\n";
979	}	1400	}
980	} else {	1401	} else {
981	aio_unlink $filename;	1402	aio_unlink $filename;
982	aio_unlink "$filename.pst";	1403	aio_unlink "$filename.pst";
983	}	1404	}
984	}	1405	};
985	}	1406	}
986		1407
987	sub object_freezer_as_string {	1408	sub object_freezer_as_string {
988	my ($rdata, $objs) = @_;	1409	my ($rdata, $objs) = @_;
989		1410
…		…
1001	or return;	1422	or return;
1002		1423
1003	unless (aio_stat "$filename.pst") {	1424	unless (aio_stat "$filename.pst") {
1004	(aio_load "$filename.pst", $av) >= 0	1425	(aio_load "$filename.pst", $av) >= 0
1005	or return;	1426	or return;
		1427
1006	$av = eval { (Storable::thaw $av)->{objs} };	1428	my $st = eval { Coro::Storable::thaw $av };
		1429	$av = $st->{objs};
1007	}	1430	}
1008		1431
		1432	utf8::decode (my $decname = $filename);
1009	warn sprintf "loading %s (%d)\n",	1433	trace sprintf "loading %s (%d,%d)\n",
1010	$filename, length $data, scalar @{$av || []};	1434	$decname, length $data, scalar @{$av || []}
		1435	if $VERBOSE_IO;
		1436
1011	return ($data, $av);	1437	($data, $av)
1012	}	1438	}
1013		1439
1014	=head2 COMMAND CALLBACKS	1440	=head2 COMMAND CALLBACKS
1015		1441
1016	=over 4	1442	=over 4
…		…
1018	=cut	1444	=cut
1019		1445
1020	#############################################################################	1446	#############################################################################
1021	# command handling &c	1447	# command handling &c
1022		1448
1023	=item cf::register_command $name => \&callback($ob,$args);	1449	=item cf::register_command $name => \&callback($ob,$args)
1024		1450
1025	Register a callback for execution when the client sends the user command	1451	Register a callback for execution when the client sends the user command
1026	$name.	1452	$name.
1027		1453
1028	=cut	1454	=cut
…		…
1034	#warn "registering command '$name/$time' to '$caller'";	1460	#warn "registering command '$name/$time' to '$caller'";
1035		1461
1036	push @{ $COMMAND{$name} }, [$caller, $cb];	1462	push @{ $COMMAND{$name} }, [$caller, $cb];
1037	}	1463	}
1038		1464
1039	=item cf::register_extcmd $name => \&callback($pl,$packet);	1465	=item cf::register_extcmd $name => \&callback($pl,@args)
1040		1466
1041	Register a callback for execution when the client sends an (synchronous)	1467	Register a callback for execution when the client sends an (synchronous)
1042	extcmd packet. Ext commands will be processed in the order they are	1468	extcmd packet. Ext commands will be processed in the order they are
1043	received by the server, like other user commands. The first argument is	1469	received by the server, like other user commands. The first argument is
1044	the logged-in player. Ext commands can only be processed after a player	1470	the logged-in player. Ext commands can only be processed after a player
1045	has logged in successfully.	1471	has logged in successfully.
1046		1472
1047	If the callback returns something, it is sent back as if reply was being	1473	The values will be sent back to the client.
1048	called.
1049		1474
		1475	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1476
		1477	Same as C<cf::register_extcmd>, but instead of returning values, the
		1478	callback needs to clal the C<$reply> function.
		1479
1050	=item cf::register_exticmd $name => \&callback($ns,$packet);	1480	=item cf::register_exticmd $name => \&callback($ns,@args)
1051		1481
1052	Register a callback for execution when the client sends an (asynchronous)	1482	Register a callback for execution when the client sends an (asynchronous)
1053	exticmd packet. Exti commands are processed by the server as soon as they	1483	exticmd packet. Exti commands are processed by the server as soon as they
1054	are received, i.e. out of order w.r.t. other commands. The first argument	1484	are received, i.e. out of order w.r.t. other commands. The first argument
1055	is a client socket. Exti commands can be received anytime, even before	1485	is a client socket. Exti commands can be received anytime, even before
1056	log-in.	1486	log-in.
1057		1487
1058	If the callback returns something, it is sent back as if reply was being	1488	The values will be sent back to the client.
1059	called.
1060		1489
1061	=cut	1490	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1062		1491
		1492	Same as C<cf::register_extcmd>, but instead of returning values, the
		1493	callback needs to clal the C<$reply> function.
		1494
		1495	=cut
		1496
1063	sub register_extcmd {	1497	sub register_extcmd($$) {
1064	my ($name, $cb) = @_;	1498	my ($name, $cb) = @_;
1065		1499
1066	$EXTCMD{$name} = $cb;	1500	$EXTCMD{$name} = $cb;
1067	}	1501	}
1068		1502
1069	sub register_exticmd {	1503	sub register_async_extcmd($$) {
1070	my ($name, $cb) = @_;	1504	my ($name, $cb) = @_;
1071		1505
		1506	$EXTACMD{$name} = $cb;
		1507	}
		1508
		1509	sub register_exticmd($$) {
		1510	my ($name, $cb) = @_;
		1511
1072	$EXTICMD{$name} = $cb;	1512	$EXTICMD{$name} = $cb;
1073	}	1513	}
1074		1514
		1515	sub register_async_exticmd($$) {
		1516	my ($name, $cb) = @_;
		1517
		1518	$EXTIACMD{$name} = $cb;
		1519	}
		1520
		1521	use File::Glob ();
		1522
1075	cf::player->attach (	1523	cf::player->attach (
1076	on_command => sub {	1524	on_unknown_command => sub {
1077	my ($pl, $name, $params) = @_;	1525	my ($pl, $name, $params) = @_;
1078		1526
1079	my $cb = $COMMAND{$name}	1527	my $cb = $COMMAND{$name}
1080	or return;	1528	or return;
1081		1529
…		…
1089	my ($pl, $buf) = @_;	1537	my ($pl, $buf) = @_;
1090		1538
1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1539	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1092		1540
1093	if (ref $msg) {	1541	if (ref $msg) {
		1542	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		1543
1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1544	if (my $cb = $EXTACMD{$type}) {
1095	if (my %reply = $cb->($pl, $msg)) {	1545	$cb->(
1096	$pl->ext_reply ($msg->{msgid}, %reply);	1546	$pl,
		1547	sub {
		1548	$pl->ext_msg ("reply-$reply", @_)
		1549	if $reply;
		1550	},
		1551	@payload
		1552	);
		1553	} else {
		1554	my @reply;
		1555
		1556	if (my $cb = $EXTCMD{$type}) {
		1557	@reply = $cb->($pl, @payload);
1097	}	1558	}
		1559
		1560	$pl->ext_msg ("reply-$reply", @reply)
		1561	if $reply;
1098	}	1562	}
		1563
1099	} else {	1564	} else {
1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1565	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1101	}	1566	}
1102		1567
1103	cf::override;	1568	cf::override;
1104	},	1569	},
1105	);	1570	);
1106		1571
		1572	# "readahead" all extensions
		1573	sub cache_extensions {
		1574	my $grp = IO::AIO::aio_group;
		1575
		1576	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1577	for (grep /\.ext$/, @{$_[0]}) {
		1578	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1579	}
		1580	};
		1581
		1582	$grp
		1583	}
		1584
		1585	sub _ext_cfg_reg($$$$) {
		1586	my ($rvar, $varname, $cfgname, $default) = @_;
		1587
		1588	$cfgname = lc $varname
		1589	unless length $cfgname;
		1590
		1591	$EXT_CFG{$cfgname} = [$rvar, $default];
		1592
		1593	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1594	}
		1595
1107	sub load_extensions {	1596	sub load_extensions {
		1597	info "loading extensions...";
		1598
		1599	%EXT_CFG = ();
		1600
1108	cf::sync_job {	1601	cf::sync_job {
1109	my %todo;	1602	my %todo;
1110		1603
1111	for my $path (<$LIBDIR/*.ext>) {	1604	for my $path (<$LIBDIR/*.ext>) {
1112	next unless -r $path;	1605	next unless -r $path;
…		…
1130		1623
1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1624	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1625	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1133		1626
1134	$ext{source} =	1627	$ext{source} =
1135	"package $pkg; use strict; use utf8;\n"	1628	"package $pkg; use common::sense;\n"
1136	. "#line 1 \"$path\"\n{\n"	1629	. "#line 1 \"$path\"\n{\n"
1137	. $source	1630	. $source
1138	. "\n};\n1";	1631	. "\n};\n1";
1139		1632
1140	$todo{$base} = \%ext;	1633	$todo{$base} = \%ext;
1141	}	1634	}
1142		1635
		1636	my $pass = 0;
1143	my %done;	1637	my %done;
1144	while (%todo) {	1638	while (%todo) {
1145	my $progress;	1639	my $progress;
1146		1640
		1641	++$pass;
		1642
		1643	ext:
1147	while (my ($k, $v) = each %todo) {	1644	while (my ($k, $v) = each %todo) {
1148	for (split /,\s*/, $v->{meta}{depends}) {	1645	for (split /,\s*/, $v->{meta}{depends}) {
1149	goto skip	1646	next ext
1150	unless exists $done{$_};	1647	unless exists $done{$_};
1151	}	1648	}
1152		1649
1153	warn "... loading '$k' into '$v->{pkg}'\n";	1650	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1154		1651
1155	unless (eval $v->{source}) {	1652	my $source = $v->{source};
		1653
		1654	# support "CONF varname :confname = default" pseudo-statements
		1655	$source =~ s{
		1656	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1657	}{
		1658	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1659	}gmxe;
		1660
		1661	my $active = eval $source;
		1662
		1663	if (length $@) {
1156	my $msg = $@ ? "$v->{path}: $@\n"	1664	error "$v->{path}: $@\n";
1157	: "$v->{base}: extension inactive.\n";
1158		1665
		1666	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1159	if (exists $v->{meta}{mandatory}) {	1667	if exists $v->{meta}{mandatory};
1160	warn $msg;	1668
1161	warn "mandatory extension failed to load, exiting.\n";	1669	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
1162	exit 1;	1670	delete $todo{$k};
1163	}	1671	} else {
1164		1672	$done{$k} = delete $todo{$k};
1165	warn $msg;	1673	push @EXTS, $v->{pkg};
		1674	$progress = 1;
		1675
		1676	info "$v->{base}: extension inactive.\n"
		1677	unless $active;
1166	}	1678	}
1167
1168	$done{$k} = delete $todo{$k};
1169	push @EXTS, $v->{pkg};
1170	$progress = 1;
1171	}	1679	}
1172		1680
1173	skip:	1681	unless ($progress) {
1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1682	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1175	unless $progress;	1683
		1684	while (my ($k, $v) = each %todo) {
		1685	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1686	if exists $v->{meta}{mandatory};
		1687	}
		1688
		1689	last;
		1690	}
1176	}	1691	}
1177	};	1692	};
1178	}	1693	}
1179		1694
1180	#############################################################################	1695	#############################################################################
1181		1696
1182	=back	1697	=back
1183		1698
1184	=head2 CORE EXTENSIONS	1699	=head2 CORE EXTENSIONS
1185		1700
1186	Functions and methods that extend core crossfire objects.	1701	Functions and methods that extend core deliantra objects.
1187		1702
1188	=cut	1703	=cut
1189		1704
1190	package cf::player;	1705	package cf::player;
1191		1706
1192	use Coro::AIO;	1707	use Coro::AIO;
1193		1708
1194	=head3 cf::player	1709	=head3 cf::player
1195		1710
1196	=over 4	1711	=over 4
		1712
		1713	=item cf::player::num_playing
		1714
		1715	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1716
		1717	=cut
		1718
		1719	sub num_playing {
		1720	scalar grep
		1721	$_->ob->map
		1722	&& !$_->hidden
		1723	&& !$_->ob->flag (cf::FLAG_WIZ),
		1724	cf::player::list
		1725	}
1197		1726
1198	=item cf::player::find $login	1727	=item cf::player::find $login
1199		1728
1200	Returns the given player object, loading it if necessary (might block).	1729	Returns the given player object, loading it if necessary (might block).
1201		1730
…		…
1220		1749
1221	sub exists($) {	1750	sub exists($) {
1222	my ($login) = @_;	1751	my ($login) = @_;
1223		1752
1224	$cf::PLAYER{$login}	1753	$cf::PLAYER{$login}
1225	or cf::sync_job { !aio_stat path $login }	1754	or !aio_stat path $login
1226	}	1755	}
1227		1756
1228	sub find($) {	1757	sub find($) {
1229	return $cf::PLAYER{$_[0]} || do {	1758	return $cf::PLAYER{$_[0]} || do {
1230	my $login = $_[0];	1759	my $login = $_[0];
…		…
1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1766	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1767	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1768	aio_unlink +(playerdir $login) . "/$login.pl.pst";
1240	aio_unlink +(playerdir $login) . "/$login.pl";	1769	aio_unlink +(playerdir $login) . "/$login.pl";
1241		1770
1242	my $pl = load_pl path $login	1771	my $f = new_from_file cf::object::thawer path $login
1243	or return;	1772	or return;
		1773
		1774	my $pl = cf::player::load_pl $f
		1775	or return;
		1776
		1777	local $cf::PLAYER_LOADING{$login} = $pl;
		1778	$f->resolve_delayed_derefs;
1244	$cf::PLAYER{$login} = $pl	1779	$cf::PLAYER{$login} = $pl
1245	}	1780	}
1246	}	1781	}
1247	}	1782	}
		1783
		1784	cf::player->attach (
		1785	on_load => sub {
		1786	my ($pl, $path) = @_;
		1787
		1788	# restore slots saved in save, below
		1789	my $slots = delete $pl->{_slots};
		1790
		1791	$pl->ob->current_weapon ($slots->[0]);
		1792	$pl->combat_ob ($slots->[1]);
		1793	$pl->ranged_ob ($slots->[2]);
		1794	},
		1795	);
1248		1796
1249	sub save($) {	1797	sub save($) {
1250	my ($pl) = @_;	1798	my ($pl) = @_;
1251		1799
1252	return if $pl->{deny_save};	1800	return if $pl->{deny_save};
…		…
1257	return if $pl->{deny_save};	1805	return if $pl->{deny_save};
1258		1806
1259	aio_mkdir playerdir $pl, 0770;	1807	aio_mkdir playerdir $pl, 0770;
1260	$pl->{last_save} = $cf::RUNTIME;	1808	$pl->{last_save} = $cf::RUNTIME;
1261		1809
		1810	cf::get_slot 0.01;
		1811
		1812	# save slots, to be restored later
		1813	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1814
1262	$pl->save_pl ($path);	1815	$pl->save_pl ($path);
1263	Coro::cede;	1816	cf::cede_to_tick;
1264	}	1817	}
1265		1818
1266	sub new($) {	1819	sub new($) {
1267	my ($login) = @_;	1820	my ($login) = @_;
1268		1821
…		…
1274	$cf::PLAYER{$login} = $self;	1827	$cf::PLAYER{$login} = $self;
1275		1828
1276	$self	1829	$self
1277	}	1830	}
1278		1831
		1832	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1833
		1834	=cut
		1835
		1836	sub send_msg {
		1837	my $ns = shift->ns
		1838	or return;
		1839	$ns->send_msg (@_);
		1840	}
		1841
1279	=item $pl->quit_character	1842	=item $pl->quit_character
1280		1843
1281	Nukes the player without looking back. If logged in, the connection will	1844	Nukes the player without looking back. If logged in, the connection will
1282	be destroyed. May block for a long time.	1845	be destroyed. May block for a long time.
1283		1846
…		…
1287	my ($pl) = @_;	1850	my ($pl) = @_;
1288		1851
1289	my $name = $pl->ob->name;	1852	my $name = $pl->ob->name;
1290		1853
1291	$pl->{deny_save} = 1;	1854	$pl->{deny_save} = 1;
1292	$pl->password ("*"); # this should lock out the player until we nuked the dir	1855	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1293		1856
1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1857	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1295	$pl->deactivate;	1858	$pl->deactivate;
		1859
		1860	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1296	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1861	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1862	ext::highscore::check ($pl->ob);
		1863
1297	$pl->ns->destroy if $pl->ns;	1864	$pl->ns->destroy if $pl->ns;
1298		1865
1299	my $path = playerdir $pl;	1866	my $path = playerdir $pl;
1300	my $temp = "$path~$cf::RUNTIME~deleting~";	1867	my $temp = "$path~$cf::RUNTIME~deleting~";
1301	aio_rename $path, $temp;	1868	aio_rename $path, $temp;
…		…
1336	or return [];	1903	or return [];
1337		1904
1338	my @logins;	1905	my @logins;
1339		1906
1340	for my $login (@$dirs) {	1907	for my $login (@$dirs) {
		1908	my $path = path $login;
		1909
		1910	# a .pst is a dead give-away for a valid player
		1911	# if no pst file found, open and chekc for blocked users
		1912	if (aio_stat "$path.pst") {
1341	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1913	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1342	aio_read $fh, 0, 512, my $buf, 0 or next;	1914	aio_read $fh, 0, 512, my $buf, 0 or next;
1343	$buf !~ /^password -------------$/m or next; # official not-valid tag	1915	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1916	}
1344		1917
1345	utf8::decode $login;	1918	utf8::decode $login;
1346	push @logins, $login;	1919	push @logins, $login;
1347	}	1920	}
1348		1921
1349	\@logins	1922	\@logins
1350	}	1923	}
1351		1924
1352	=item $player->maps	1925	=item $player->maps
		1926
		1927	=item cf::player::maps $login
1353		1928
1354	Returns an arrayref of map paths that are private for this	1929	Returns an arrayref of map paths that are private for this
1355	player. May block.	1930	player. May block.
1356		1931
1357	=cut	1932	=cut
…		…
1375	}	1950	}
1376		1951
1377	\@paths	1952	\@paths
1378	}	1953	}
1379		1954
1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1955	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1381		1956
1382	Expand crossfire pod fragments into protocol xml.	1957	Expand deliantra pod fragments into protocol xml.
1383		1958
1384	=cut
1385
1386	sub expand_cfpod {
1387	((my $self), (local $_)) = @_;
1388
1389	# escape & and <
1390	s/&/&amp;/g;
1391	s/(?<![BIUGH])</&lt;/g;
1392
1393	# this is buggy, it needs to properly take care of nested <'s
1394
1395	1 while
1396	# replace B<>, I<>, U<> etc.
1397	s/B<([^\>]*)>/<b>$1<\/b>/
1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
1400	# replace G<male|female> tags
1401	|| s{G<([^>|]*)\|([^>]*)>}{
1402	$self->gender ? $2 : $1
1403	}ge
1404	# replace H<hint text>
1405	|| s{H<([^\>]*)>}
1406	{
1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1409	"")
1410	[$self->{hintmode}]
1411	}ge;
1412
1413	# create single paragraphs (very hackish)
1414	s/(?<=\S)\n(?=\w)/ /g;
1415
1416	# compress some whitespace
1417	s/\s+\n/\n/g; # ws line-ends
1418	s/\n\n+/\n/g; # double lines
1419	s/^\n+//; # beginning lines
1420	s/\n+$//; # ending lines
1421
1422	$_
1423	}
1424
1425	sub hintmode {
1426	$_[0]{hintmode} = $_[1] if @_ > 1;
1427	$_[0]{hintmode}
1428	}
1429
1430	=item $player->ext_reply ($msgid, %msg)
1431
1432	Sends an ext reply to the player.
1433
1434	=cut
1435
1436	sub ext_reply($$%) {
1437	my ($self, $id, %msg) = @_;
1438
1439	$msg{msgid} = $id;
1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1441	}
1442
1443	=item $player->ext_event ($type, %msg)	1959	=item $player->ext_msg ($type, @msg)
1444		1960
1445	Sends an ext event to the client.	1961	Sends an ext event to the client.
1446		1962
1447	=cut	1963	=cut
1448		1964
1449	sub ext_event($$%) {	1965	sub ext_msg($$@) {
1450	my ($self, $type, %msg) = @_;	1966	my ($self, $type, @msg) = @_;
1451		1967
1452	$self->ns->ext_event ($type, %msg);	1968	$self->ns->ext_msg ($type, @msg);
1453	}	1969	}
1454		1970
1455	=head3 cf::region	1971	=head3 cf::region
1456		1972
1457	=over 4	1973	=over 4
…		…
1467	=cut	1983	=cut
1468		1984
1469	sub find_by_path($) {	1985	sub find_by_path($) {
1470	my ($path) = @_;	1986	my ($path) = @_;
1471		1987
		1988	$path =~ s/^~[^\/]*//; # skip ~login
		1989
1472	my ($match, $specificity);	1990	my ($match, $specificity);
1473		1991
1474	for my $region (list) {	1992	for my $region (list) {
1475	if ($region->match && $path =~ $region->match) {	1993	if ($region->{match} && $path =~ $region->{match}) {
1476	($match, $specificity) = ($region, $region->specificity)	1994	($match, $specificity) = ($region, $region->specificity)
1477	if $region->specificity > $specificity;	1995	if $region->specificity > $specificity;
1478	}	1996	}
1479	}	1997	}
1480		1998
…		…
1501	our $MAX_RESET = 3600;	2019	our $MAX_RESET = 3600;
1502	our $DEFAULT_RESET = 3000;	2020	our $DEFAULT_RESET = 3000;
1503		2021
1504	sub generate_random_map {	2022	sub generate_random_map {
1505	my ($self, $rmp) = @_;	2023	my ($self, $rmp) = @_;
1506	# mit "rum" bekleckern, nicht	2024
		2025	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		2026
1507	$self->_create_random_map (	2027	$self->_create_random_map ($rmp);
1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1511	$rmp->{exit_on_final_map},
1512	$rmp->{xsize}, $rmp->{ysize},
1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1515	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1516	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1518	(cf::region::find $rmp->{region}), $rmp->{custom}
1519	)
1520	}	2028	}
1521		2029
1522	=item cf::map->register ($regex, $prio)	2030	=item cf::map->register ($regex, $prio)
1523		2031
1524	Register a handler for the map path matching the given regex at the	2032	Register a handler for the map path matching the given regex at the
…		…
1529		2037
1530	sub register {	2038	sub register {
1531	my (undef, $regex, $prio) = @_;	2039	my (undef, $regex, $prio) = @_;
1532	my $pkg = caller;	2040	my $pkg = caller;
1533		2041
1534	no strict;
1535	push @{"$pkg\::ISA"}, __PACKAGE__;	2042	push @{"$pkg\::ISA"}, __PACKAGE__;
1536		2043
1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2044	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1538	}	2045	}
1539		2046
1540	# also paths starting with '/'	2047	# also paths starting with '/'
1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2048	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1542		2049
1543	sub thawer_merge {	2050	sub thawer_merge {
1544	my ($self, $merge) = @_;	2051	my ($self, $merge) = @_;
1545		2052
1546	# we have to keep some variables in memory intact	2053	# we have to keep some variables in memory intact
…		…
1551	}	2058	}
1552		2059
1553	sub normalise {	2060	sub normalise {
1554	my ($path, $base) = @_;	2061	my ($path, $base) = @_;
1555		2062
1556	$path = "$path"; # make sure its a string	2063	$path = "$path"; # make sure it's a string
1557		2064
1558	$path =~ s/\.map$//;	2065	$path =~ s/\.map$//;
1559		2066
1560	# map plan:	2067	# map plan:
1561	#	2068	#
…		…
1576	$base =~ s{[^/]+/?$}{};	2083	$base =~ s{[^/]+/?$}{};
1577	$path = "$base/$path";	2084	$path = "$base/$path";
1578	}	2085	}
1579		2086
1580	for ($path) {	2087	for ($path) {
1581	redo if s{//}{/};
1582	redo if s{/\.?/}{/};	2088	redo if s{/\.?/}{/};
1583	redo if s{/[^/]+/\.\./}{/};	2089	redo if s{/[^/]+/\.\./}{/};
1584	}	2090	}
1585		2091
1586	$path	2092	$path
…		…
1600	$self->init; # pass $1 etc.	2106	$self->init; # pass $1 etc.
1601	return $self;	2107	return $self;
1602	}	2108	}
1603	}	2109	}
1604		2110
1605	Carp::carp "unable to resolve path '$path' (base '$base').";	2111	Carp::cluck "unable to resolve path '$path' (base '$base')";
1606	()	2112	()
1607	}	2113	}
1608		2114
		2115	# may re-bless or do other evil things
1609	sub init {	2116	sub init {
1610	my ($self) = @_;	2117	my ($self) = @_;
1611		2118
1612	$self	2119	$self
1613	}	2120	}
…		…
1632		2139
1633	# the temporary/swap location	2140	# the temporary/swap location
1634	sub save_path {	2141	sub save_path {
1635	my ($self) = @_;	2142	my ($self) = @_;
1636		2143
1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2144	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1638	"$TMPDIR/$path.map"	2145	"$TMPDIR/$path.map"
1639	}	2146	}
1640		2147
1641	# the unique path, undef == no special unique path	2148	# the unique path, undef == no special unique path
1642	sub uniq_path {	2149	sub uniq_path {
1643	my ($self) = @_;	2150	my ($self) = @_;
1644		2151
1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	2152	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1646	"$UNIQUEDIR/$path"	2153	"$UNIQUEDIR/$path"
1647	}
1648
1649	# and all this just because we cannot iterate over
1650	# all maps in C++...
1651	sub change_all_map_light {
1652	my ($change) = @_;
1653
1654	$_->change_map_light ($change)
1655	for grep $_->outdoor, values %cf::MAP;
1656	}	2154	}
1657		2155
1658	sub decay_objects {	2156	sub decay_objects {
1659	my ($self) = @_;	2157	my ($self) = @_;
1660		2158
…		…
1673		2171
1674	sub load_header_from($) {	2172	sub load_header_from($) {
1675	my ($self, $path) = @_;	2173	my ($self, $path) = @_;
1676		2174
1677	utf8::encode $path;	2175	utf8::encode $path;
1678	#aio_open $path, O_RDONLY, 0	2176	my $f = new_from_file cf::object::thawer $path
1679	# or return;
1680
1681	$self->_load_header ($path)
1682	or return;	2177	or return;
1683		2178
		2179	$self->_load_header ($f)
		2180	or return;
		2181
		2182	local $MAP_LOADING{$self->{path}} = $self;
		2183	$f->resolve_delayed_derefs;
		2184
1684	$self->{load_path} = $path;	2185	$self->{load_path} = $path;
1685		2186
1686	1	2187	1
1687	}	2188	}
1688		2189
		2190	# used to laod the header of an original map
1689	sub load_header_orig {	2191	sub load_header_orig {
1690	my ($self) = @_;	2192	my ($self) = @_;
1691		2193
1692	$self->load_header_from ($self->load_path)	2194	$self->load_header_from ($self->load_path)
1693	}	2195	}
1694		2196
		2197	# used to laod the header of an instantiated map
1695	sub load_header_temp {	2198	sub load_header_temp {
1696	my ($self) = @_;	2199	my ($self) = @_;
1697		2200
1698	$self->load_header_from ($self->save_path)	2201	$self->load_header_from ($self->save_path)
1699	}	2202	}
1700		2203
		2204	# called after loading the header from an instantiated map
1701	sub prepare_temp {	2205	sub prepare_temp {
1702	my ($self) = @_;	2206	my ($self) = @_;
1703		2207
1704	$self->last_access ((delete $self->{last_access})	2208	$self->last_access ((delete $self->{last_access})
1705	|| $cf::RUNTIME); #d#	2209	|| $cf::RUNTIME); #d#
1706	# safety	2210	# safety
1707	$self->{instantiate_time} = $cf::RUNTIME	2211	$self->{instantiate_time} = $cf::RUNTIME
1708	if $self->{instantiate_time} > $cf::RUNTIME;	2212	if $self->{instantiate_time} > $cf::RUNTIME;
1709	}	2213	}
1710		2214
		2215	# called after loading the header from an original map
1711	sub prepare_orig {	2216	sub prepare_orig {
1712	my ($self) = @_;	2217	my ($self) = @_;
1713		2218
1714	$self->{load_original} = 1;	2219	$self->{load_original} = 1;
1715	$self->{instantiate_time} = $cf::RUNTIME;	2220	$self->{instantiate_time} = $cf::RUNTIME;
…		…
1739		2244
1740	sub find;	2245	sub find;
1741	sub find {	2246	sub find {
1742	my ($path, $origin) = @_;	2247	my ($path, $origin) = @_;
1743		2248
		2249	cf::cede_to_tick;
		2250
1744	$path = normalise $path, $origin && $origin->path;	2251	$path = normalise $path, $origin;
1745		2252
		2253	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1746	cf::lock_wait "map_find:$path";	2254	my $guard2 = cf::lock_acquire "map_find:$path";
1747		2255
1748	$cf::MAP{$path} || do {	2256	$cf::MAP{$path} || do {
1749	my $guard = cf::lock_acquire "map_find:$path";
1750	my $map = new_from_path cf::map $path	2257	my $map = new_from_path cf::map $path
1751	or return;	2258	or return;
1752		2259
1753	$map->{last_save} = $cf::RUNTIME;	2260	$map->{last_save} = $cf::RUNTIME;
1754		2261
…		…
1756	or return;	2263	or return;
1757		2264
1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2265	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1759	# doing this can freeze the server in a sync job, obviously	2266	# doing this can freeze the server in a sync job, obviously
1760	#$cf::WAIT_FOR_TICK->wait;	2267	#$cf::WAIT_FOR_TICK->wait;
		2268	undef $guard2;
		2269	undef $guard1;
1761	$map->reset;	2270	$map->reset;
1762	undef $guard;
1763	return find $path;	2271	return find $path;
1764	}	2272	}
1765		2273
1766	$cf::MAP{$path} = $map	2274	$cf::MAP{$path} = $map
1767	}	2275	}
1768	}	2276	}
1769		2277
1770	sub pre_load { }	2278	sub pre_load { }
1771	sub post_load { }	2279	#sub post_load { } # XS
1772		2280
1773	sub load {	2281	sub load {
1774	my ($self) = @_;	2282	my ($self) = @_;
1775		2283
1776	local $self->{deny_reset} = 1; # loading can take a long time	2284	local $self->{deny_reset} = 1; # loading can take a long time
1777		2285
1778	my $path = $self->{path};	2286	my $path = $self->{path};
1779		2287
1780	{	2288	{
1781	my $guard = cf::lock_acquire "map_load:$path";	2289	my $guard = cf::lock_acquire "map_data:$path";
1782		2290
		2291	return unless $self->valid;
1783	return if $self->in_memory != cf::MAP_SWAPPED;	2292	return unless $self->state == cf::MAP_SWAPPED;
1784
1785	$self->in_memory (cf::MAP_LOADING);
1786		2293
1787	$self->alloc;	2294	$self->alloc;
1788		2295
1789	$self->pre_load;	2296	$self->pre_load;
1790	Coro::cede;	2297	cf::cede_to_tick;
1791		2298
1792	$self->_load_objects ($self->{load_path}, 1)	2299	if (exists $self->{load_path}) {
		2300	my $f = new_from_file cf::object::thawer $self->{load_path};
		2301	$f->skip_block;
		2302	$self->_load_objects ($f)
1793	or return;	2303	or return;
1794		2304
1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2305	$self->post_load_original
1796	if delete $self->{load_original};	2306	if delete $self->{load_original};
1797		2307
1798	if (my $uniq = $self->uniq_path) {	2308	if (my $uniq = $self->uniq_path) {
1799	utf8::encode $uniq;	2309	utf8::encode $uniq;
1800	if (aio_open $uniq, O_RDONLY, 0) {	2310	unless (aio_stat $uniq) {
		2311	if (my $f = new_from_file cf::object::thawer $uniq) {
1801	$self->clear_unique_items;	2312	$self->clear_unique_items;
1802	$self->_load_objects ($uniq, 0);	2313	$self->_load_objects ($f);
		2314	$f->resolve_delayed_derefs;
		2315	}
		2316	}
1803	}	2317	}
1804	}
1805		2318
1806	Coro::cede;	2319	$f->resolve_delayed_derefs;
		2320	} else {
		2321	$self->post_load_original
		2322	if delete $self->{load_original};
		2323	}
		2324
		2325	$self->state (cf::MAP_INACTIVE);
		2326
		2327	cf::cede_to_tick;
1807	# now do the right thing for maps	2328	# now do the right thing for maps
1808	$self->link_multipart_objects;	2329	$self->link_multipart_objects;
1809	$self->difficulty ($self->estimate_difficulty)	2330	$self->difficulty ($self->estimate_difficulty)
1810	unless $self->difficulty;	2331	unless $self->difficulty;
1811	Coro::cede;	2332	cf::cede_to_tick;
1812		2333
1813	unless ($self->{deny_activate}) {	2334	unless ($self->{deny_activate}) {
1814	$self->decay_objects;	2335	$self->decay_objects;
1815	$self->fix_auto_apply;	2336	$self->fix_auto_apply;
1816	$self->update_buttons;	2337	$self->update_buttons;
1817	Coro::cede;	2338	cf::cede_to_tick;
1818	$self->set_darkness_map;	2339	#$self->activate; # no longer activate maps automatically
1819	Coro::cede;
1820	$self->activate;
1821	}	2340	}
1822		2341
1823	$self->in_memory (cf::MAP_IN_MEMORY);	2342	$self->{last_save} = $cf::RUNTIME;
		2343	$self->last_access ($cf::RUNTIME);
1824	}	2344	}
1825		2345
1826	$self->post_load;	2346	$self->post_load;
1827	}
1828		2347
		2348	1
		2349	}
		2350
		2351	# customize the map for a given player, i.e.
		2352	# return the _real_ map. used by e.g. per-player
		2353	# maps to change the path to ~playername/mappath
1829	sub customise_for {	2354	sub customise_for {
1830	my ($self, $ob) = @_;	2355	my ($self, $ob) = @_;
1831		2356
1832	return find "~" . $ob->name . "/" . $self->{path}	2357	return find "~" . $ob->name . "/" . $self->{path}
1833	if $self->per_player;	2358	if $self->per_player;
…		…
1836	# if $self->per_party;	2361	# if $self->per_party;
1837		2362
1838	$self	2363	$self
1839	}	2364	}
1840		2365
1841	# find and load all maps in the 3x3 area around a map
1842	sub load_diag {
1843	my ($map) = @_;
1844
1845	my @diag; # diagonal neighbours
1846
1847	for (0 .. 3) {
1848	my $neigh = $map->tile_path ($_)
1849	or next;
1850	$neigh = find $neigh, $map
1851	or next;
1852	$neigh->load;
1853
1854	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1855	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1856	}
1857
1858	for (@diag) {
1859	my $neigh = find @$_
1860	or next;
1861	$neigh->load;
1862	}
1863	}
1864
1865	sub find_sync {	2366	sub find_sync {
1866	my ($path, $origin) = @_;	2367	my ($path, $origin) = @_;
1867		2368
1868	cf::sync_job { find $path, $origin }	2369	# it's a bug to call this from the main context
		2370	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2371	if $Coro::current == $Coro::main;
		2372
		2373	find $path, $origin
1869	}	2374	}
1870		2375
1871	sub do_load_sync {	2376	sub do_load_sync {
1872	my ($map) = @_;	2377	my ($map) = @_;
1873		2378
1874	cf::sync_job { $map->load };	2379	# it's a bug to call this from the main context
		2380	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2381	if $Coro::current == $Coro::main;
		2382
		2383	$map->load;
1875	}	2384	}
1876		2385
1877	our %MAP_PREFETCH;	2386	our %MAP_PREFETCH;
1878	our $MAP_PREFETCHER = undef;	2387	our $MAP_PREFETCHER = undef;
1879		2388
1880	sub find_async {	2389	sub find_async {
1881	my ($path, $origin) = @_;	2390	my ($path, $origin, $load) = @_;
1882		2391
1883	$path = normalise $path, $origin && $origin->{path};	2392	$path = normalise $path, $origin;
1884		2393
1885	if (my $map = $cf::MAP{$path}) {	2394	if (my $map = $cf::MAP{$path}) {
1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2395	return $map if !$load || $map->linkable;
1887	}	2396	}
1888		2397
1889	undef $MAP_PREFETCH{$path};	2398	$MAP_PREFETCH{$path} |= $load;
		2399
1890	$MAP_PREFETCHER ||= cf::async {	2400	$MAP_PREFETCHER ||= cf::async {
		2401	$Coro::current->{desc} = "map prefetcher";
		2402
1891	while (%MAP_PREFETCH) {	2403	while (%MAP_PREFETCH) {
1892	for my $path (keys %MAP_PREFETCH) {	2404	for my $k (keys %MAP_PREFETCH) {
1893	my $map = find $path	2405	if (my $map = find $k) {
1894	or next;	2406	$map->load if $MAP_PREFETCH{$k};
1895	$map->load;	2407	}
1896		2408
1897	delete $MAP_PREFETCH{$path};	2409	delete $MAP_PREFETCH{$k};
1898	}	2410	}
1899	}	2411	}
1900	undef $MAP_PREFETCHER;	2412	undef $MAP_PREFETCHER;
1901	};	2413	};
1902	$MAP_PREFETCHER->prio (6);	2414	$MAP_PREFETCHER->prio (6);
1903		2415
1904	()	2416	()
1905	}	2417	}
1906		2418
		2419	# common code, used by both ->save and ->swapout
1907	sub save {	2420	sub _save {
1908	my ($self) = @_;	2421	my ($self) = @_;
1909
1910	my $lock = cf::lock_acquire "map_data:" . $self->path;
1911		2422
1912	$self->{last_save} = $cf::RUNTIME;	2423	$self->{last_save} = $cf::RUNTIME;
1913		2424
1914	return unless $self->dirty;	2425	return unless $self->dirty;
1915		2426
…		…
1921	return if $self->{deny_save};	2432	return if $self->{deny_save};
1922		2433
1923	local $self->{last_access} = $self->last_access;#d#	2434	local $self->{last_access} = $self->last_access;#d#
1924		2435
1925	cf::async {	2436	cf::async {
		2437	$Coro::current->{desc} = "map player save";
1926	$_->contr->save for $self->players;	2438	$_->contr->save for $self->players;
1927	};	2439	};
		2440
		2441	cf::get_slot 0.02;
1928		2442
1929	if ($uniq) {	2443	if ($uniq) {
1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2444	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2445	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1932	} else {	2446	} else {
1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2447	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1934	}	2448	}
1935	}	2449	}
1936		2450
		2451	sub save {
		2452	my ($self) = @_;
		2453
		2454	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2455
		2456	$self->_save;
		2457	}
		2458
1937	sub swap_out {	2459	sub swap_out {
1938	my ($self) = @_;	2460	my ($self) = @_;
1939		2461
1940	# save first because save cedes
1941	$self->save;
1942
1943	my $lock = cf::lock_acquire "map_data:" . $self->path;	2462	my $lock = cf::lock_acquire "map_data:$self->{path}";
1944		2463
		2464	return if !$self->linkable;
		2465	return if $self->{deny_save};
1945	return if $self->players;	2466	return if $self->players;
1946	return if $self->in_memory != cf::MAP_IN_MEMORY;
1947	return if $self->{deny_save};
1948		2467
		2468	# first deactivate the map and "unlink" it from the core
		2469	$self->deactivate;
		2470	$_->clear_links_to ($self) for values %cf::MAP;
		2471	$self->state (cf::MAP_SWAPPED);
		2472
		2473	# then atomically save
		2474	$self->_save;
		2475
		2476	# then free the map
1949	$self->clear;	2477	$self->clear;
1950	$self->in_memory (cf::MAP_SWAPPED);
1951	}	2478	}
1952		2479
1953	sub reset_at {	2480	sub reset_at {
1954	my ($self) = @_;	2481	my ($self) = @_;
1955		2482
…		…
1973		2500
1974	my $lock = cf::lock_acquire "map_data:$self->{path}";	2501	my $lock = cf::lock_acquire "map_data:$self->{path}";
1975		2502
1976	return if $self->players;	2503	return if $self->players;
1977		2504
1978	warn "resetting map ", $self->path;	2505	cf::trace "resetting map ", $self->path, "\n";
1979		2506
1980	$self->in_memory (cf::MAP_SWAPPED);	2507	$self->state (cf::MAP_SWAPPED);
1981		2508
1982	# need to save uniques path	2509	# need to save uniques path
1983	unless ($self->{deny_save}) {	2510	unless ($self->{deny_save}) {
1984	my $uniq = $self->uniq_path; utf8::encode $uniq;	2511	my $uniq = $self->uniq_path; utf8::encode $uniq;
1985		2512
…		…
1987	if $uniq;	2514	if $uniq;
1988	}	2515	}
1989		2516
1990	delete $cf::MAP{$self->path};	2517	delete $cf::MAP{$self->path};
1991		2518
		2519	$self->deactivate;
		2520	$_->clear_links_to ($self) for values %cf::MAP;
1992	$self->clear;	2521	$self->clear;
1993
1994	$_->clear_links_to ($self) for values %cf::MAP;
1995		2522
1996	$self->unlink_save;	2523	$self->unlink_save;
1997	$self->destroy;	2524	$self->destroy;
1998	}	2525	}
1999		2526
2000	my $nuke_counter = "aaaa";	2527	my $nuke_counter = "aaaa";
2001		2528
2002	sub nuke {	2529	sub nuke {
2003	my ($self) = @_;	2530	my ($self) = @_;
2004		2531
		2532	{
		2533	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2534
2005	delete $cf::MAP{$self->path};	2535	delete $cf::MAP{$self->path};
2006		2536
2007	$self->unlink_save;	2537	$self->unlink_save;
2008		2538
2009	bless $self, "cf::map";	2539	bless $self, "cf::map::wrap";
2010	delete $self->{deny_reset};	2540	delete $self->{deny_reset};
2011	$self->{deny_save} = 1;	2541	$self->{deny_save} = 1;
2012	$self->reset_timeout (1);	2542	$self->reset_timeout (1);
2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2543	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2014		2544
2015	$cf::MAP{$self->path} = $self;	2545	$cf::MAP{$self->path} = $self;
		2546	}
2016		2547
2017	$self->reset; # polite request, might not happen	2548	$self->reset; # polite request, might not happen
2018	}	2549	}
2019		2550
2020	=item $maps = cf::map::tmp_maps	2551	=item $maps = cf::map::tmp_maps
…		…
2062		2593
2063	sub unique_maps() {	2594	sub unique_maps() {
2064	[	2595	[
2065	map {	2596	map {
2066	utf8::decode $_;	2597	utf8::decode $_;
2067	/\.map$/	2598	s/\.map$//; # TODO future compatibility hack
		2599	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2600	? ()
2068	? normalise $_	2601	: normalise $_
2069	: ()
2070	} @{ aio_readdir $UNIQUEDIR or [] }	2602	} @{ aio_readdir $UNIQUEDIR or [] }
2071	]	2603	]
2072	}	2604	}
2073		2605
2074	package cf;	2606	=item cf::map::static_maps
		2607
		2608	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2609	file in the shared directory excluding F</styles> and F</editor>). May
		2610	block.
		2611
		2612	=cut
		2613
		2614	sub static_maps() {
		2615	my @dirs = "";
		2616	my @maps;
		2617
		2618	while (@dirs) {
		2619	my $dir = shift @dirs;
		2620
		2621	next if $dir eq "/styles" || $dir eq "/editor";
		2622
		2623	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2624	or return;
		2625
		2626	for (@$files) {
		2627	s/\.map$// or next;
		2628	utf8::decode $_;
		2629	push @maps, "$dir/$_";
		2630	}
		2631
		2632	push @dirs, map "$dir/$_", @$dirs;
		2633	}
		2634
		2635	\@maps
		2636	}
2075		2637
2076	=back	2638	=back
2077		2639
2078	=head3 cf::object	2640	=head3 cf::object
2079		2641
…		…
2083		2645
2084	=over 4	2646	=over 4
2085		2647
2086	=item $ob->inv_recursive	2648	=item $ob->inv_recursive
2087		2649
2088	Returns the inventory of the object _and_ their inventories, recursively.	2650	Returns the inventory of the object I<and> their inventories, recursively,
		2651	but I<not> the object itself.
2089		2652
2090	=cut	2653	=cut
2091		2654
2092	sub inv_recursive_;	2655	sub inv_recursive_;
2093	sub inv_recursive_ {	2656	sub inv_recursive_ {
…		…
2096		2659
2097	sub inv_recursive {	2660	sub inv_recursive {
2098	inv_recursive_ inv $_[0]	2661	inv_recursive_ inv $_[0]
2099	}	2662	}
2100		2663
		2664	=item $ref = $ob->ref
		2665
		2666	Creates and returns a persistent reference to an object that can be stored as a string.
		2667
		2668	=item $ob = cf::object::deref ($refstring)
		2669
		2670	returns the objetc referenced by refstring. may return undef when it cannot find the object,
		2671	even if the object actually exists. May block.
		2672
		2673	=cut
		2674
		2675	sub deref {
		2676	my ($ref) = @_;
		2677
		2678	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2679	my ($uuid, $name) = ($1, $2);
		2680	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2681	or return;
		2682	$pl->ob->uuid eq $uuid
		2683	or return;
		2684
		2685	$pl->ob
		2686	} else {
		2687	warn "$ref: cannot resolve object reference\n";
		2688	undef
		2689	}
		2690	}
		2691
2101	package cf;	2692	package cf;
2102		2693
2103	=back	2694	=back
2104		2695
2105	=head3 cf::object::player	2696	=head3 cf::object::player
…		…
2111	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2702	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
2112	can be C<undef>. Does the right thing when the player is currently in a	2703	can be C<undef>. Does the right thing when the player is currently in a
2113	dialogue with the given NPC character.	2704	dialogue with the given NPC character.
2114		2705
2115	=cut	2706	=cut
		2707
		2708	our $SAY_CHANNEL = {
		2709	id => "say",
		2710	title => "Map",
		2711	reply => "say ",
		2712	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2713	};
		2714
		2715	our $CHAT_CHANNEL = {
		2716	id => "chat",
		2717	title => "Chat",
		2718	reply => "chat ",
		2719	tooltip => "Player chat and shouts, global to the server.",
		2720	};
2116		2721
2117	# rough implementation of a future "reply" method that works	2722	# rough implementation of a future "reply" method that works
2118	# with dialog boxes.	2723	# with dialog boxes.
2119	#TODO: the first argument must go, split into a $npc->reply_to ( method	2724	#TODO: the first argument must go, split into a $npc->reply_to ( method
2120	sub cf::object::player::reply($$$;$) {	2725	sub cf::object::player::reply($$$;$) {
…		…
2127		2732
2128	} else {	2733	} else {
2129	my $pl = $self->contr;	2734	my $pl = $self->contr;
2130		2735
2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {	2736	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
2132	my $diag = $pl->{npc_dialog};	2737	my $dialog = $pl->{npc_dialog};
2133	$diag->{pl}->ext_reply (	2738	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2134	$diag->{id},
2135	msgtype => "reply",
2136	msg => $diag->{pl}->expand_cfpod ($msg),
2137	add_topics => []
2138	);
2139		2739
2140	} else {	2740	} else {
2141	$msg = $npc->name . " says: $msg" if $npc;	2741	$msg = $npc->name . " says: $msg" if $npc;
2142	$self->message ($msg, $flags);	2742	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2143	}	2743	}
2144	}	2744	}
		2745	}
		2746
		2747	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2748
		2749	=cut
		2750
		2751	sub cf::object::send_msg {
		2752	my $pl = shift->contr
		2753	or return;
		2754	$pl->send_msg (@_);
2145	}	2755	}
2146		2756
2147	=item $player_object->may ("access")	2757	=item $player_object->may ("access")
2148		2758
2149	Returns wether the given player is authorized to access resource "access"	2759	Returns wether the given player is authorized to access resource "access"
2150	(e.g. "command_wizcast").	2760	(e.g. "command_wizcast").
2151		2761
		2762	This is implemented by checking a config setting of C<may_access> where
		2763	C<access> is replaced by the access string. The following alternatives are
		2764	possible (and are tested in order):
		2765
		2766	=over 4
		2767
		2768	=item * Player is DM
		2769
		2770	The request will succeed.
		2771
		2772	=item * may_access is an array reference
		2773
		2774	If either the player nickname or UUID is in the array, the request will
		2775	succeed, otherwise it will fail.
		2776
		2777	=item * may_access is a true value
		2778
		2779	The request will succeed.
		2780
		2781	=item * may_access is missing or false
		2782
		2783	The request will fail.
		2784
		2785	=back
		2786
2152	=cut	2787	=cut
2153		2788
2154	sub cf::object::player::may {	2789	sub cf::object::player::may {
2155	my ($self, $access) = @_;	2790	my ($self, $access) = @_;
2156		2791
2157	$self->flag (cf::FLAG_WIZ) ||	2792	$self->flag (cf::FLAG_WIZ) ||
2158	(ref $cf::CFG{"may_$access"}	2793	(ref $cf::CFG{"may_$access"}
2159	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2794	? scalar grep $self->name eq $_ || $self->uuid eq $_, @{$cf::CFG{"may_$access"}}
2160	: $cf::CFG{"may_$access"})	2795	: $cf::CFG{"may_$access"})
2161	}	2796	}
2162		2797
2163	=item $player_object->enter_link	2798	=item $player_object->enter_link
2164		2799
2165	Freezes the player and moves him/her to a special map (C<{link}>).	2800	Freezes the player and moves him/her to a special map (C<{link}>).
2166		2801
2167	The player should be reasonably safe there for short amounts of time. You	2802	The player should be reasonably safe there for short amounts of time (e.g.
2168	I<MUST> call C<leave_link> as soon as possible, though.	2803	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2804	though, as the player cannot control the character while it is on the link
		2805	map.
2169		2806
2170	Will never block.	2807	This method will never block, which is the whole reaosn for it's
		2808	existance: you can I<always> put a player onto the link map, which is the
		2809	only place to put objects that is guaranteed to exist.
		2810
		2811	A typical usage pattern is to call C<enter_link> synchronously from the
		2812	server, then start a new thread, do your blocking stuff there and then
		2813	call C<leave_link> from that thread.
2171		2814
2172	=item $player_object->leave_link ($map, $x, $y)	2815	=item $player_object->leave_link ($map, $x, $y)
2173		2816
2174	Moves the player out of the special C<{link}> map onto the specified	2817	Moves the player out of the special C<{link}> map onto the specified
2175	map. If the map is not valid (or omitted), the player will be moved back	2818	map. If the map is not valid (or omitted), the player will be moved back
…		…
2193	sub cf::object::player::enter_link {	2836	sub cf::object::player::enter_link {
2194	my ($self) = @_;	2837	my ($self) = @_;
2195		2838
2196	$self->deactivate_recursive;	2839	$self->deactivate_recursive;
2197		2840
		2841	++$self->{_link_recursion};
		2842
2198	return if UNIVERSAL::isa $self->map, "ext::map_link";	2843	return if UNIVERSAL::isa $self->map, "ext::map_link";
2199		2844
2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2845	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2201	if $self->map && $self->map->{path} ne "{link}";	2846	if $self->map && $self->map->{path} ne "{link}";
2202		2847
2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2848	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2204	}	2849	}
2205		2850
2206	sub cf::object::player::leave_link {	2851	sub cf::object::player::leave_link {
2207	my ($self, $map, $x, $y) = @_;	2852	my ($self, $map, $x, $y) = @_;
2208		2853
…		…
2225	($x, $y) = (-1, -1)	2870	($x, $y) = (-1, -1)
2226	unless (defined $x) && (defined $y);	2871	unless (defined $x) && (defined $y);
2227		2872
2228	# use -1 or undef as default coordinates, not 0, 0	2873	# use -1 or undef as default coordinates, not 0, 0
2229	($x, $y) = ($map->enter_x, $map->enter_y)	2874	($x, $y) = ($map->enter_x, $map->enter_y)
2230	if $x <=0 && $y <= 0;	2875	if $x <= 0 && $y <= 0;
2231		2876
2232	$map->load;	2877	$map->load;
2233	$map->load_diag;
2234		2878
2235	return unless $self->contr->active;	2879	return unless $self->contr->active;
2236	$self->activate_recursive;
2237		2880
2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2881	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2239	$self->enter_map ($map, $x, $y);	2882	if ($self->enter_map ($map, $x, $y)) {
2240	}	2883	# entering was successful
		2884	delete $self->{_link_recursion};
		2885	# only activate afterwards, to support waiting in hooks
		2886	$self->activate_recursive;
		2887	}
2241		2888
		2889	}
		2890
2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])	2891	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2243		2892
2244	Moves the player to the given map-path and coordinates by first freezing	2893	Moves the player to the given map-path and coordinates by first freezing
2245	her, loading and preparing them map, calling the provided $check callback	2894	her, loading and preparing them map, calling the provided $check callback
2246	that has to return the map if sucecssful, and then unfreezes the player on	2895	that has to return the map if sucecssful, and then unfreezes the player on
2247	the new (success) or old (failed) map position.	2896	the new (success) or old (failed) map position. In either case, $done will
		2897	be called at the end of this process.
		2898
		2899	Note that $check will be called with a potentially non-loaded map, so if
		2900	it needs a loaded map it has to call C<< ->load >>.
2248		2901
2249	=cut	2902	=cut
2250		2903
2251	our $GOTOGEN;	2904	our $GOTOGEN;
2252		2905
2253	sub cf::object::player::goto {	2906	sub cf::object::player::goto {
2254	my ($self, $path, $x, $y, $check) = @_;	2907	my ($self, $path, $x, $y, $check, $done) = @_;
		2908
		2909	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2910	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2911	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2912	($path, $x, $y) = @$EMERGENCY_POSITION;
		2913	}
2255		2914
2256	# do generation counting so two concurrent goto's will be executed in-order	2915	# do generation counting so two concurrent goto's will be executed in-order
2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2916	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2258		2917
2259	$self->enter_link;	2918	$self->enter_link;
2260		2919
2261	(async {	2920	(async {
		2921	$Coro::current->{desc} = "player::goto $path $x $y";
		2922
		2923	# *tag paths override both path and x|y
		2924	if ($path =~ /^\*(.*)$/) {
		2925	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2926	my $ob = $obs[rand @obs];
		2927
		2928	# see if we actually can go there
		2929	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2930	$ob = $obs[rand @obs];
		2931	} else {
		2932	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2933	}
		2934	# else put us there anyways for now #d#
		2935
		2936	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2937	} else {
		2938	($path, $x, $y) = (undef, undef, undef);
		2939	}
		2940	}
		2941
2262	my $map = eval {	2942	my $map = eval {
2263	my $map = cf::map::find $path;	2943	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2264		2944
2265	if ($map) {	2945	if ($map) {
2266	$map = $map->customise_for ($self);	2946	$map = $map->customise_for ($self);
2267	$map = $check->($map) if $check && $map;	2947	$map = $check->($map, $x, $y, $self) if $check && $map;
2268	} else {	2948	} else {
2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2949	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2270	}	2950	}
2271		2951
2272	$map	2952	$map
2273	};	2953	};
2274		2954
…		…
2279		2959
2280	if ($gen == $self->{_goto_generation}) {	2960	if ($gen == $self->{_goto_generation}) {
2281	delete $self->{_goto_generation};	2961	delete $self->{_goto_generation};
2282	$self->leave_link ($map, $x, $y);	2962	$self->leave_link ($map, $x, $y);
2283	}	2963	}
		2964
		2965	$done->($self) if $done;
2284	})->prio (1);	2966	})->prio (1);
2285	}	2967	}
2286		2968
2287	=item $player_object->enter_exit ($exit_object)	2969	=item $player_object->enter_exit ($exit_object)
2288		2970
…		…
2308	}	2990	}
2309		2991
2310	sub prepare_random_map {	2992	sub prepare_random_map {
2311	my ($exit) = @_;	2993	my ($exit) = @_;
2312		2994
2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
2314
2315	# all this does is basically replace the /! path by	2995	# all this does is basically replace the /! path by
2316	# a new random map path (?random/...) with a seed	2996	# a new random map path (?random/...) with a seed
2317	# that depends on the exit object	2997	# that depends on the exit object
2318		2998
2319	my $rmp = parse_random_map_params $exit->msg;	2999	my $rmp = parse_random_map_params $exit->msg;
…		…
2321	if ($exit->map) {	3001	if ($exit->map) {
2322	$rmp->{region} = $exit->region->name;	3002	$rmp->{region} = $exit->region->name;
2323	$rmp->{origin_map} = $exit->map->path;	3003	$rmp->{origin_map} = $exit->map->path;
2324	$rmp->{origin_x} = $exit->x;	3004	$rmp->{origin_x} = $exit->x;
2325	$rmp->{origin_y} = $exit->y;	3005	$rmp->{origin_y} = $exit->y;
		3006
		3007	$exit->map->touch;
2326	}	3008	}
2327		3009
2328	$rmp->{random_seed} ||= $exit->random_seed;	3010	$rmp->{random_seed} ||= $exit->random_seed;
2329		3011
2330	my $data = cf::to_json $rmp;	3012	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
2331	my $md5 = Digest::MD5::md5_hex $data;	3013	my $md5 = Digest::MD5::md5_hex $data;
2332	my $meta = "$RANDOMDIR/$md5.meta";	3014	my $meta = "$RANDOMDIR/$md5.meta";
2333		3015
2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	3016	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2335	aio_write $fh, 0, (length $data), $data, 0;	3017	aio_write $fh, 0, (length $data), $data, 0;
2336	undef $fh;	3018	undef $fh;
2337	aio_rename "$meta~", $meta;	3019	aio_rename "$meta~", $meta;
2338		3020
		3021	my $slaying = "?random/$md5";
		3022
		3023	if ($exit->valid) {
2339	$exit->slaying ("?random/$md5");	3024	$exit->slaying ("?random/$md5");
2340	$exit->msg (undef);	3025	$exit->msg (undef);
		3026	}
2341	}	3027	}
2342	}	3028	}
2343		3029
2344	sub cf::object::player::enter_exit {	3030	sub cf::object::player::enter_exit {
2345	my ($self, $exit) = @_;	3031	my ($self, $exit) = @_;
2346		3032
2347	return unless $self->type == cf::PLAYER;	3033	return unless $self->type == cf::PLAYER;
2348		3034
2349	if ($exit->slaying eq "/!") {
2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
2351	# the problem is that $exit might not survive long enough
2352	# so it needs to be done right now, right here
2353	cf::sync_job { prepare_random_map $exit };
2354	}
2355
2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2357	my $hp = $exit->stats->hp;
2358	my $sp = $exit->stats->sp;
2359
2360	$self->enter_link;	3035	$self->enter_link;
2361		3036
2362	(async {	3037	(async {
2363	$self->deactivate_recursive; # just to be sure	3038	$Coro::current->{desc} = "enter_exit";
		3039
2364	unless (eval {	3040	unless (eval {
		3041	$self->deactivate_recursive; # just to be sure
		3042
		3043	my $map = cf::map::normalise $exit->slaying, $exit->map;
		3044	my $x = $exit->stats->hp;
		3045	my $y = $exit->stats->sp;
		3046
		3047	# special map handling
		3048	my $slaying = $exit->slaying;
		3049
		3050	# special map handling
		3051	if ($slaying eq "/!") {
		3052	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3053
		3054	prepare_random_map $exit
		3055	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3056
		3057	$map = $exit->slaying;
		3058
		3059	} elsif ($slaying eq '!up') {
		3060	$map = $exit->map->tile_path (cf::TILE_UP);
		3061	$x = $exit->x;
		3062	$y = $exit->y;
		3063
		3064	} elsif ($slaying eq '!down') {
		3065	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3066	$x = $exit->x;
		3067	$y = $exit->y;
		3068	}
		3069
2365	$self->goto ($slaying, $hp, $sp);	3070	$self->goto ($map, $x, $y);
2366		3071
		3072	# if exit is damned, update players death & WoR home-position
		3073	$self->contr->savebed ($map, $x, $y)
		3074	if $exit->flag (cf::FLAG_DAMNED);
		3075
2367	1;	3076	1
2368	}) {	3077	}) {
2369	$self->message ("Something went wrong deep within the crossfire server. "	3078	$self->message ("Something went wrong deep within the deliantra server. "
2370	. "I'll try to bring you back to the map you were before. "	3079	. "I'll try to bring you back to the map you were before. "
2371	. "Please report this to the dungeon master!",	3080	. "Please report this to the dungeon master!",
2372	cf::NDI_UNIQUE | cf::NDI_RED);	3081	cf::NDI_UNIQUE | cf::NDI_RED);
2373		3082
2374	warn "ERROR in enter_exit: $@";	3083	error "ERROR in enter_exit: $@";
2375	$self->leave_link;	3084	$self->leave_link;
2376	}	3085	}
2377	})->prio (1);	3086	})->prio (1);
2378	}	3087	}
2379		3088
2380	=head3 cf::client	3089	=head3 cf::client
2381		3090
2382	=over 4	3091	=over 4
2383		3092
2384	=item $client->send_drawinfo ($text, $flags)	3093	=item $client->send_big_packet ($pkt)
2385		3094
2386	Sends a drawinfo packet to the client. Circumvents output buffering so	3095	Like C<send_packet>, but tries to compress large packets, and fragments
2387	should not be used under normal circumstances.	3096	them as required.
2388		3097
2389	=cut	3098	=cut
2390		3099
		3100	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3101
2391	sub cf::client::send_drawinfo {	3102	sub cf::client::send_big_packet {
2392	my ($self, $text, $flags) = @_;	3103	my ($self, $pkt) = @_;
2393		3104
2394	utf8::encode $text;	3105	# try lzf for large packets
2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3106	$pkt = "lzf " . Compress::LZF::compress $pkt
2396	}	3107	if 1024 <= length $pkt and $self->{can_lzf};
2397		3108
		3109	# split very large packets
		3110	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3111	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3112	$pkt = "frag";
		3113	}
		3114
		3115	$self->send_packet ($pkt);
		3116	}
		3117
2398	=item $client->send_msg ($color, $type, $msg, [extra...])	3118	=item $client->send_msg ($channel, $msg, $color, [extra...])
2399		3119
2400	Send a drawinfo or msg packet to the client, formatting the msg for the	3120	Send a msg packet to the client, formatting the msg for the client if
2401	client if neccessary. C<$type> should be a string identifying the type of	3121	necessary. C<$type> should be a string identifying the type of the
2402	the message, with C<log> being the default. If C<$color> is negative, suppress	3122	message, with C<log> being the default. If C<$color> is negative, suppress
2403	the message unless the client supports the msg packet.	3123	the message unless the client supports the msg packet.
2404		3124
2405	=cut	3125	=cut
2406		3126
		3127	# non-persistent channels (usually the info channel)
		3128	our %CHANNEL = (
		3129	"c/motd" => {
		3130	id => "infobox",
		3131	title => "MOTD",
		3132	reply => undef,
		3133	tooltip => "The message of the day",
		3134	},
		3135	"c/identify" => {
		3136	id => "infobox",
		3137	title => "Identify",
		3138	reply => undef,
		3139	tooltip => "Items recently identified",
		3140	},
		3141	"c/examine" => {
		3142	id => "infobox",
		3143	title => "Examine",
		3144	reply => undef,
		3145	tooltip => "Signs and other items you examined",
		3146	},
		3147	"c/shopinfo" => {
		3148	id => "infobox",
		3149	title => "Shop Info",
		3150	reply => undef,
		3151	tooltip => "What your bargaining skill tells you about the shop",
		3152	},
		3153	"c/book" => {
		3154	id => "infobox",
		3155	title => "Book",
		3156	reply => undef,
		3157	tooltip => "The contents of a note or book",
		3158	},
		3159	"c/lookat" => {
		3160	id => "infobox",
		3161	title => "Look",
		3162	reply => undef,
		3163	tooltip => "What you saw there",
		3164	},
		3165	"c/who" => {
		3166	id => "infobox",
		3167	title => "Players",
		3168	reply => undef,
		3169	tooltip => "Shows players who are currently online",
		3170	},
		3171	"c/body" => {
		3172	id => "infobox",
		3173	title => "Body Parts",
		3174	reply => undef,
		3175	tooltip => "Shows which body parts you possess and are available",
		3176	},
		3177	"c/statistics" => {
		3178	id => "infobox",
		3179	title => "Statistics",
		3180	reply => undef,
		3181	tooltip => "Shows your primary statistics",
		3182	},
		3183	"c/skills" => {
		3184	id => "infobox",
		3185	title => "Skills",
		3186	reply => undef,
		3187	tooltip => "Shows your experience per skill and item power",
		3188	},
		3189	"c/shopitems" => {
		3190	id => "infobox",
		3191	title => "Shop Items",
		3192	reply => undef,
		3193	tooltip => "Shows the items currently for sale in this shop",
		3194	},
		3195	"c/resistances" => {
		3196	id => "infobox",
		3197	title => "Resistances",
		3198	reply => undef,
		3199	tooltip => "Shows your resistances",
		3200	},
		3201	"c/pets" => {
		3202	id => "infobox",
		3203	title => "Pets",
		3204	reply => undef,
		3205	tooltip => "Shows information abotu your pets/a specific pet",
		3206	},
		3207	"c/perceiveself" => {
		3208	id => "infobox",
		3209	title => "Perceive Self",
		3210	reply => undef,
		3211	tooltip => "You gained detailed knowledge about yourself",
		3212	},
		3213	"c/uptime" => {
		3214	id => "infobox",
		3215	title => "Uptime",
		3216	reply => undef,
		3217	tooltip => "How long the server has been running since last restart",
		3218	},
		3219	"c/mapinfo" => {
		3220	id => "infobox",
		3221	title => "Map Info",
		3222	reply => undef,
		3223	tooltip => "Information related to the maps",
		3224	},
		3225	"c/party" => {
		3226	id => "party",
		3227	title => "Party",
		3228	reply => "gsay ",
		3229	tooltip => "Messages and chat related to your party",
		3230	},
		3231	"c/death" => {
		3232	id => "death",
		3233	title => "Death",
		3234	reply => undef,
		3235	tooltip => "Reason for and more info about your most recent death",
		3236	},
		3237	"c/fatal" => {
		3238	id => "fatal",
		3239	title => "Fatal Error",
		3240	reply => undef,
		3241	tooltip => "Reason for the server disconnect",
		3242	},
		3243	"c/say" => $SAY_CHANNEL,
		3244	"c/chat" => $CHAT_CHANNEL,
		3245	);
		3246
2407	sub cf::client::send_msg {	3247	sub cf::client::send_msg {
2408	my ($self, $color, $type, $msg, @extra) = @_;	3248	my ($self, $channel, $msg, $color, @extra) = @_;
2409		3249
2410	$msg = $self->pl->expand_cfpod ($msg);	3250	$msg = $self->pl->expand_cfpod ($msg)
		3251	unless $color & cf::NDI_VERBATIM;
		3252
		3253	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3254
		3255	# check predefined channels, for the benefit of C
		3256	if ($CHANNEL{$channel}) {
		3257	$channel = $CHANNEL{$channel};
		3258
		3259	$self->ext_msg (channel_info => $channel);
		3260	$channel = $channel->{id};
		3261
		3262	} elsif (ref $channel) {
		3263	# send meta info to client, if not yet sent
		3264	unless (exists $self->{channel}{$channel->{id}}) {
		3265	$self->{channel}{$channel->{id}} = $channel;
		3266	$self->ext_msg (channel_info => $channel);
		3267	}
		3268
		3269	$channel = $channel->{id};
		3270	}
2411		3271
2412	return unless @extra || length $msg;	3272	return unless @extra || length $msg;
2413		3273
2414	if ($self->can_msg) {	3274	# default colour, mask it out
2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));	3275	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2416	} else {	3276	if $color & cf::NDI_DEF;
2417	# replace some tags by gcfclient-compatible ones
2418	for ($msg) {
2419	1 while
2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2425	}
2426		3277
2427	if ($color >= 0) {	3278	my $pkt = "msg "
2428	if (0 && $msg =~ /\[/) {	3279	. $self->{json_coder}->encode (
2429	$self->send_packet ("drawextinfo $color 4 0 $msg")	3280	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2430	} else {	3281	);
2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2432	$self->send_packet ("drawinfo $color $msg")
2433	}
2434	}
2435	}
2436	}
2437		3282
		3283	$self->send_big_packet ($pkt);
		3284	}
		3285
2438	=item $client->ext_event ($type, %msg)	3286	=item $client->ext_msg ($type, @msg)
2439		3287
2440	Sends an ext event to the client.	3288	Sends an ext event to the client.
2441		3289
2442	=cut	3290	=cut
2443		3291
2444	sub cf::client::ext_event($$%) {	3292	sub cf::client::ext_msg($$@) {
2445	my ($self, $type, %msg) = @_;	3293	my ($self, $type, @msg) = @_;
2446		3294
2447	$msg{msgtype} = "event_$type";
2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));	3295	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2449	}	3296	}
2450		3297
2451	=item $success = $client->query ($flags, "text", \&cb)	3298	=item $success = $client->query ($flags, "text", \&cb)
2452		3299
2453	Queues a query to the client, calling the given callback with	3300	Queues a query to the client, calling the given callback with
…		…
2473		3320
2474	$self->send_packet ($self->{query_queue}[0][0])	3321	$self->send_packet ($self->{query_queue}[0][0])
2475	if @{ $self->{query_queue} } == 1;	3322	if @{ $self->{query_queue} } == 1;
2476		3323
2477	1	3324	1
		3325	}
		3326
		3327	=item $client->update_command_faces
		3328
		3329	=cut
		3330
		3331	our %COMMAND_FACE;
		3332
		3333	sub cf::client::update_command_faces {
		3334	my ($self) = @_;
		3335
		3336	my @faces = grep $_,
		3337	$COMMAND_FACE{preferred},
		3338	$COMMAND_FACE{standard},
		3339	$COMMAND_FACE{skill},
		3340	$self->pl->ob->flag (cf::FLAG_WIZ) ? $COMMAND_FACE{dm} : (),
		3341	$COMMAND_FACE{emote},
		3342	;
		3343
		3344	$self->send_face ($_)
		3345	for @faces;
		3346	$self->flush_fx;
		3347
		3348	$self->ext_msg (command_list => @faces);
		3349	}
		3350
		3351	=item cf::client::set_command_face $type, $commands
		3352
		3353	=cut
		3354
		3355	sub cf::client::set_command_face {
		3356	my ($type, $list) = @_;
		3357
		3358	my $idx = &cf::face::set ( #d# ugly forward reference
		3359	"command_list/$type" => cf::FT_RSRC,
		3360	JSON::XS->new->utf8->encode ([ sort @$list ])
		3361	);
		3362
		3363	$COMMAND_FACE{$type} = $idx;
2478	}	3364	}
2479		3365
2480	cf::client->attach (	3366	cf::client->attach (
2481	on_connect => sub {	3367	on_connect => sub {
2482	my ($ns) = @_;	3368	my ($ns) = @_;
…		…
2508	my ($ns, $buf) = @_;	3394	my ($ns, $buf) = @_;
2509		3395
2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3396	my $msg = eval { $ns->{json_coder}->decode ($buf) };
2511		3397
2512	if (ref $msg) {	3398	if (ref $msg) {
		3399	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
		3400
2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {	3401	if (my $cb = $EXTIACMD{$type}) {
2514	if (my %reply = $cb->($ns, $msg)) {	3402	$cb->(
2515	$reply{msgid} = $msg->{msgid};	3403	$ns,
2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));	3404	sub {
		3405	$ns->ext_msg ("reply-$reply", @_)
		3406	if $reply;
		3407	},
		3408	@payload
		3409	);
		3410	} else {
		3411	my @reply;
		3412
		3413	if (my $cb = $EXTICMD{$type}) {
		3414	@reply = $cb->($ns, @payload);
2517	}	3415	}
		3416
		3417	$ns->ext_msg ("reply-$reply", @reply)
		3418	if $reply;
2518	}	3419	}
2519	} else {	3420	} else {
2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3421	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2521	}	3422	}
2522		3423
2523	cf::override;	3424	cf::override;
2524	},	3425	},
2525	);	3426	);
…		…
2545		3446
2546	$coro	3447	$coro
2547	}	3448	}
2548		3449
2549	cf::client->attach (	3450	cf::client->attach (
2550	on_destroy => sub {	3451	on_client_destroy => sub {
2551	my ($ns) = @_;	3452	my ($ns) = @_;
2552		3453
2553	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3454	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
2554	},	3455	},
2555	);	3456	);
…		…
2570	our $safe = new Safe "safe";	3471	our $safe = new Safe "safe";
2571	our $safe_hole = new Safe::Hole;	3472	our $safe_hole = new Safe::Hole;
2572		3473
2573	$SIG{FPE} = 'IGNORE';	3474	$SIG{FPE} = 'IGNORE';
2574		3475
2575	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3476	$safe->permit_only (Opcode::opset qw(
		3477	:base_core :base_mem :base_orig :base_math :base_loop
		3478	grepstart grepwhile mapstart mapwhile
		3479	sort time
		3480	));
2576		3481
2577	# here we export the classes and methods available to script code	3482	# here we export the classes and methods available to script code
2578		3483
2579	=pod	3484	=pod
2580		3485
2581	The following functions and methods are available within a safe environment:	3486	The following functions and methods are available within a safe environment:
2582		3487
2583	cf::object contr pay_amount pay_player map	3488	cf::object
		3489	contr pay_amount pay_player map x y force_find force_add destroy
		3490	insert remove name archname title slaying race decrease split
		3491	value
		3492
2584	cf::object::player player	3493	cf::object::player
2585	cf::player peaceful	3494	player
2586	cf::map trigger	3495
		3496	cf::player
		3497	peaceful
		3498
		3499	cf::map
		3500	trigger
2587		3501
2588	=cut	3502	=cut
2589		3503
2590	for (	3504	for (
2591	["cf::object" => qw(contr pay_amount pay_player map)],	3505	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3506	insert remove inv nrof name archname title slaying race
		3507	decrease split destroy change_exp value msg lore send_msg)],
2592	["cf::object::player" => qw(player)],	3508	["cf::object::player" => qw(player)],
2593	["cf::player" => qw(peaceful)],	3509	["cf::player" => qw(peaceful send_msg)],
2594	["cf::map" => qw(trigger)],	3510	["cf::map" => qw(trigger)],
2595	) {	3511	) {
2596	no strict 'refs';
2597	my ($pkg, @funs) = @$_;	3512	my ($pkg, @funs) = @$_;
2598	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3513	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
2599	for @funs;	3514	for @funs;
2600	}	3515	}
2601		3516
…		…
2616		3531
2617	my $qcode = $code;	3532	my $qcode = $code;
2618	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3533	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2619	$qcode =~ s/\n/\\n/g;	3534	$qcode =~ s/\n/\\n/g;
2620		3535
		3536	%vars = (_dummy => 0) unless %vars;
		3537
		3538	my @res;
2621	local $_;	3539	local $_;
2622	local @safe::cf::_safe_eval_args = values %vars;
2623		3540
2624	my $eval =	3541	my $eval =
2625	"do {\n"	3542	"do {\n"
2626	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3543	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2627	. "#line 0 \"{$qcode}\"\n"	3544	. "#line 0 \"{$qcode}\"\n"
2628	. $code	3545	. $code
2629	. "\n}"	3546	. "\n}"
2630	;	3547	;
2631		3548
		3549	if ($CFG{safe_eval}) {
2632	sub_generation_inc;	3550	sub_generation_inc;
		3551	local @safe::cf::_safe_eval_args = values %vars;
2633	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3552	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2634	sub_generation_inc;	3553	sub_generation_inc;
		3554	} else {
		3555	local @cf::_safe_eval_args = values %vars;
		3556	@res = wantarray ? eval eval : scalar eval $eval;
		3557	}
2635		3558
2636	if ($@) {	3559	if ($@) {
2637	warn "$@";	3560	warn "$@",
2638	warn "while executing safe code '$code'\n";	3561	"while executing safe code '$code'\n",
2639	warn "with arguments " . (join " ", %vars) . "\n";	3562	"with arguments " . (join " ", %vars) . "\n";
2640	}	3563	}
2641		3564
2642	wantarray ? @res : $res[0]	3565	wantarray ? @res : $res[0]
2643	}	3566	}
2644		3567
…		…
2658	=cut	3581	=cut
2659		3582
2660	sub register_script_function {	3583	sub register_script_function {
2661	my ($fun, $cb) = @_;	3584	my ($fun, $cb) = @_;
2662		3585
2663	no strict 'refs';	3586	$fun = "safe::$fun" if $CFG{safe_eval};
2664	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3587	*$fun = $safe_hole->wrap ($cb);
2665	}	3588	}
2666		3589
2667	=back	3590	=back
2668		3591
2669	=cut	3592	=cut
2670		3593
2671	#############################################################################	3594	#############################################################################
2672	# the server's init and main functions	3595	# the server's init and main functions
2673		3596
		3597	{
		3598	package cf::face;
		3599
		3600	our %HASH; # hash => idx
		3601	our @DATA; # dynamically-created facedata, only faceste 0 used
		3602	our @FOFS; # file offset, if > 0
		3603	our @SIZE; # size of face, in octets
		3604	our @META; # meta hash of face, if any
		3605	our $DATAFH; # facedata filehandle
		3606
		3607	# internal api, not finalised
		3608	sub set {
		3609	my ($name, $type, $data) = @_;
		3610
		3611	my $idx = cf::face::find $name;
		3612
		3613	if ($idx) {
		3614	delete $HASH{cf::face::get_csum $idx};
		3615	} else {
		3616	$idx = cf::face::alloc $name;
		3617	}
		3618
		3619	my $hash = cf::face::mangle_csum Digest::MD5::md5 $data;
		3620
		3621	cf::face::set_type $idx, $type;
		3622	cf::face::set_csum $idx, 0, $hash;
		3623
		3624	# we need to destroy the SV itself, not just modify it, as a running ix
		3625	# might hold a reference to it: "delete" achieves that.
		3626	delete $FOFS[0][$idx];
		3627	delete $DATA[0][$idx];
		3628	$DATA[0][$idx] = $data;
		3629	$SIZE[0][$idx] = length $data;
		3630	delete $META[$idx];
		3631	$HASH{$hash} = $idx;#d#
		3632
		3633	$idx
		3634	}
		3635
		3636	sub _get_data($$$) {
		3637	my ($idx, $set, $cb) = @_;
		3638
		3639	if (defined $DATA[$set][$idx]) {
		3640	$cb->($DATA[$set][$idx]);
		3641	} elsif (my $fofs = $FOFS[$set][$idx]) {
		3642	my $size = $SIZE[$set][$idx];
		3643	my $buf;
		3644	IO::AIO::aio_read $DATAFH, $fofs, $size, $buf, 0, sub {
		3645	if ($_[0] == $size) {
		3646	#cf::debug "read face $idx, $size from $fofs as ", length $buf;#d#
		3647	$cb->($buf);
		3648	} else {
		3649	cf::error "INTERNAL ERROR: unable to read facedata for face $idx#$set ($size, $fofs), ignoring request.";
		3650	}
		3651	};
		3652	} else {
		3653	cf::error "requested facedata for unknown face $idx#$set, ignoring.";
		3654	}
		3655	}
		3656
		3657	# rather ineffient
		3658	sub cf::face::get_data($;$) {
		3659	my ($idx, $set) = @_;
		3660
		3661	_get_data $idx, $set, Coro::rouse_cb;
		3662	Coro::rouse_wait
		3663	}
		3664
		3665	sub cf::face::ix {
		3666	my ($ns, $set, $idx, $pri) = @_;
		3667
		3668	_get_data $idx, $set, sub {
		3669	$ns->ix_send ($idx, $pri, $_[0]);
		3670	};
		3671	}
		3672	}
		3673
2674	sub load_facedata($) {	3674	sub load_facedata($) {
2675	my ($path) = @_;	3675	my ($path) = @_;
2676		3676
		3677	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3678
2677	warn "loading facedata from $path\n";	3679	trace "loading facedata from $path\n";
2678		3680
2679	my $facedata;	3681	my $facedata = decode_storable load_file "$path/faceinfo";
2680	0 < aio_load $path, $facedata
2681	or die "$path: $!";
2682
2683	$facedata = Coro::Storable::thaw $facedata;
2684		3682
2685	$facedata->{version} == 2	3683	$facedata->{version} == 2
2686	or cf::cleanup "$path: version mismatch, cannot proceed.";	3684	or cf::cleanup "$path/faceinfo: version mismatch, cannot proceed.";
		3685
		3686	my $fh = aio_open "$DATADIR/facedata", IO::AIO::O_RDONLY, 0
		3687	or cf::cleanup "$path/facedata: $!, cannot proceed.";
		3688
		3689	get_slot 1, -100, "load_facedata"; # make sure we get a very big slot
		3690
		3691	# BEGIN ATOMIC
		3692	# from here on, everything must be atomic - no thread switch allowed
		3693	my $t1 = EV::time;
2687		3694
2688	{	3695	{
2689	my $faces = $facedata->{faceinfo};	3696	my $faces = $facedata->{faceinfo};
2690		3697
2691	while (my ($face, $info) = each %$faces) {	3698	for my $face (sort keys %$faces) {
		3699	my $info = $faces->{$face};
2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3700	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3701
2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3702	cf::face::set_visibility $idx, $info->{visibility};
2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3703	cf::face::set_magicmap $idx, $info->{magicmap};
2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3704	cf::face::set_csum $idx, 0, $info->{hash64}; $cf::face::SIZE[0][$idx] = $info->{size64}; $cf::face::FOFS[0][$idx] = $info->{fofs64};
2696	Coro::cede;	3705	cf::face::set_csum $idx, 1, $info->{hash32}; $cf::face::SIZE[1][$idx] = $info->{size32}; $cf::face::FOFS[1][$idx] = $info->{fofs32};
		3706	cf::face::set_csum $idx, 2, $info->{glyph}; $cf::face::DATA[2][$idx] = $info->{glyph};
		3707	$cf::face::HASH{$info->{hash64}} = $idx;
		3708	delete $cf::face::META[$idx];
2697	}	3709	}
2698		3710
2699	while (my ($face, $info) = each %$faces) {	3711	while (my ($face, $info) = each %$faces) {
2700	next unless $info->{smooth};	3712	next unless $info->{smooth};
		3713
2701	my $idx = cf::face::find $face	3714	my $idx = cf::face::find $face
2702	or next;	3715	or next;
		3716
2703	if (my $smooth = cf::face::find $info->{smooth}) {	3717	if (my $smooth = cf::face::find $info->{smooth}) {
		3718	cf::face::set_smooth $idx, $smooth;
2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3719	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2705	} else {	3720	} else {
2706	warn "smooth face '$info->{smooth}' not found for face '$face'";	3721	error "smooth face '$info->{smooth}' not found for face '$face'";
2707	}	3722	}
2708	Coro::cede;
2709	}	3723	}
2710	}	3724	}
2711		3725
2712	{	3726	{
2713	my $anims = $facedata->{animinfo};	3727	my $anims = $facedata->{animinfo};
2714		3728
2715	while (my ($anim, $info) = each %$anims) {	3729	while (my ($anim, $info) = each %$anims) {
2716	cf::anim::set $anim, $info->{frames}, $info->{facings};	3730	cf::anim::set $anim, $info->{frames}, $info->{facings};
2717	Coro::cede;
2718	}	3731	}
2719		3732
2720	cf::anim::invalidate_all; # d'oh	3733	cf::anim::invalidate_all; # d'oh
2721	}	3734	}
2722		3735
		3736	{
		3737	my $res = $facedata->{resource};
		3738
		3739	while (my ($name, $info) = each %$res) {
		3740	if (defined (my $type = $info->{type})) {
		3741	# TODO: different hash - must free and use new index, or cache ixface data queue
		3742	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3743
		3744	cf::face::set_type $idx, $type;
		3745	cf::face::set_csum $idx, 0, $info->{hash};
		3746	$cf::face::SIZE[0][$idx] = $info->{size};
		3747	$cf::face::FOFS[0][$idx] = $info->{fofs};
		3748	$cf::face::META[$idx] = $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3749	$cf::face::HASH{$info->{hash}} = $idx;
		3750	} else {
		3751	# $RESOURCE{$name} = $info; # unused
		3752	}
		3753	}
		3754	}
		3755
		3756	($fh, $cf::face::DATAFH) = ($cf::face::DATAFH, $fh);
		3757
		3758	# HACK to clear player env face cache, we need some signal framework
		3759	# for this (global event?)
		3760	%ext::player_env::MUSIC_FACE_CACHE = ();
		3761
		3762	# END ATOMIC
		3763
		3764	cf::debug "facedata atomic update time ", EV::time - $t1;
		3765
		3766	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3767
		3768	aio_close $fh if $fh; # close old facedata
		3769
2723	1	3770	1
2724	}	3771	}
2725		3772
		3773	register_exticmd fx_want => sub {
		3774	my ($ns, $want) = @_;
		3775
		3776	while (my ($k, $v) = each %$want) {
		3777	$ns->fx_want ($k, $v);
		3778	}
		3779	};
		3780
		3781	sub load_resource_file($) {
		3782	my $guard = lock_acquire "load_resource_file";
		3783
		3784	my $status = load_resource_file_ $_[0];
		3785	get_slot 0.1, 100;
		3786	cf::arch::commit_load;
		3787
		3788	$status
		3789	}
		3790
		3791	sub reload_exp_table {
		3792	_reload_exp_table;
		3793
		3794	cf::face::set
		3795	"res/exp_table" => FT_RSRC,
		3796	JSON::XS->new->utf8->canonical->encode (
		3797	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3798	);
		3799	}
		3800
		3801	sub reload_materials {
		3802	_reload_materials;
		3803	}
		3804
2726	sub reload_regions {	3805	sub reload_regions {
		3806	# HACK to clear player env face cache, we need some signal framework
		3807	# for this (global event?)
		3808	%ext::player_env::MUSIC_FACE_CACHE = ();
		3809
2727	load_resource_file "$MAPDIR/regions"	3810	load_resource_file "$MAPDIR/regions"
2728	or die "unable to load regions file\n";	3811	or die "unable to load regions file\n";
		3812
		3813	for (cf::region::list) {
		3814	$_->{match} = qr/$_->{match}/
		3815	if exists $_->{match};
		3816	}
2729	}	3817	}
2730		3818
2731	sub reload_facedata {	3819	sub reload_facedata {
2732	load_facedata "$DATADIR/facedata"	3820	load_facedata $DATADIR
2733	or die "unable to load facedata\n";	3821	or die "unable to load facedata\n";
2734	}	3822	}
2735		3823
2736	sub reload_archetypes {	3824	sub reload_archetypes {
2737	load_resource_file "$DATADIR/archetypes"	3825	load_resource_file "$DATADIR/archetypes"
2738	or die "unable to load archetypes\n";	3826	or die "unable to load archetypes\n";
2739	#d# NEED to laod twice to resolve forward references	3827
2740	# this really needs to be done in an extra post-pass	3828	cf::face::set
2741	# (which needs to be synchronous, so solve it differently)	3829	"res/skill_info" => FT_RSRC,
2742	load_resource_file "$DATADIR/archetypes"	3830	JSON::XS->new->utf8->canonical->encode (
2743	or die "unable to load archetypes\n";	3831	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3832	);
		3833
		3834	cf::face::set
		3835	"res/spell_paths" => FT_RSRC,
		3836	JSON::XS->new->utf8->canonical->encode (
		3837	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3838	);
		3839
		3840	# command completion
		3841	my @commands;
		3842
		3843	for (0..cf::arch::skillvec_size - 1) {
		3844	my $skill = cf::arch::skillvec $_;
		3845	my $name = $skill->name;
		3846	my $flags = cf::skill_flags $skill->subtype;
		3847
		3848	push @commands, "ready_skill $name" if $flags & (SF_COMBAT | SF_RANGED | SF_GRACE);
		3849	push @commands, "use_skill $name" if $flags & (SF_USE | SF_AUTARK | SF_GRACE);
		3850	}
		3851
		3852	cf::client::set_command_face skill => \@commands;
2744	}	3853	}
2745		3854
2746	sub reload_treasures {	3855	sub reload_treasures {
2747	load_resource_file "$DATADIR/treasures"	3856	load_resource_file "$DATADIR/treasures"
2748	or die "unable to load treasurelists\n";	3857	or die "unable to load treasurelists\n";
2749	}	3858	}
2750		3859
		3860	sub reload_sound {
		3861	trace "loading sound config from $DATADIR/sound\n";
		3862
		3863	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3864
		3865	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3866	my $sound = $soundconf->{compat}[$_]
		3867	or next;
		3868
		3869	my $face = cf::face::find "sound/$sound->[1]";
		3870	cf::sound::set $sound->[0] => $face;
		3871	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3872	}
		3873
		3874	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3875	my $face = cf::face::find "sound/$v";
		3876	cf::sound::set $k => $face;
		3877	}
		3878	}
		3879
2751	sub reload_resources {	3880	sub reload_resources {
2752	warn "reloading resource files...\n";	3881	trace "reloading resource files...\n";
2753		3882
		3883	reload_materials;
		3884	reload_facedata;
		3885	reload_exp_table;
		3886	reload_sound;
		3887	reload_archetypes;
2754	reload_regions;	3888	reload_regions;
2755	reload_facedata;
2756	#reload_archetypes;#d#
2757	reload_archetypes;
2758	reload_treasures;	3889	reload_treasures;
2759		3890
2760	warn "finished reloading resource files\n";	3891	trace "finished reloading resource files\n";
2761	}	3892	}
2762		3893
2763	sub init {	3894	sub reload_config {
2764	reload_resources;	3895	trace "reloading config file...\n";
2765	}
2766		3896
2767	sub cfg_load {	3897	my $config = load_file "$CONFDIR/config";
2768	open my $fh, "<:utf8", "$CONFDIR/config"	3898	utf8::decode $config;
2769	or return;	3899	*CFG = decode_yaml $config;
2770		3900
2771	local $/;
2772	*CFG = YAML::Syck::Load <$fh>;
2773
2774	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3901	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2775		3902
2776	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3903	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2777	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3904	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2778		3905
2779	if (exists $CFG{mlockall}) {	3906	if (exists $CFG{mlockall}) {
…		…
2783	};	3910	};
2784	warn $@ if $@;	3911	warn $@ if $@;
2785	}	3912	}
2786	}	3913	}
2787		3914
		3915	sub pidfile() {
		3916	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3917	or die "$PIDFILE: $!";
		3918	flock $fh, &Fcntl::LOCK_EX
		3919	or die "$PIDFILE: flock: $!";
		3920	$fh
		3921	}
		3922
		3923	# make sure only one server instance is running at any one time
		3924	sub atomic {
		3925	my $fh = pidfile;
		3926
		3927	my $pid = <$fh>;
		3928	kill 9, $pid if $pid > 0;
		3929
		3930	seek $fh, 0, 0;
		3931	print $fh $$;
		3932	}
		3933
		3934	sub main_loop {
		3935	trace "EV::run starting\n";
		3936	if (1) {
		3937	EV::run;
		3938	}
		3939	trace "EV::run returned\n";
		3940	goto &main_loop unless $REALLY_UNLOOP;
		3941	}
		3942
2788	sub main {	3943	sub main {
		3944	cf::init_globals; # initialise logging
		3945
		3946	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3947	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3948	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3949	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3950
		3951	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3952
2789	# we must not ever block the main coroutine	3953	# we must not ever block the main coroutine
2790	local $Coro::idle = sub {	3954	$Coro::idle = sub {
2791	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3955	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2792	(async {	3956	(async {
2793	Event::one_event;	3957	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3958	EV::run EV::RUN_ONCE;
2794	})->prio (Coro::PRIO_MAX);	3959	})->prio (Coro::PRIO_MAX);
2795	};	3960	};
2796		3961
2797	cfg_load;	3962	evthread_start IO::AIO::poll_fileno;
		3963
		3964	cf::sync_job {
		3965	cf::incloader::init ();
		3966
2798	db_init;	3967	db_init;
		3968
		3969	cf::init_anim;
		3970	cf::init_attackmess;
		3971	cf::init_dynamic;
		3972
		3973	cf::load_settings;
		3974
		3975	reload_resources;
		3976	reload_config;
		3977
		3978	cf::init_uuid;
		3979	cf::init_signals;
		3980	cf::init_skills;
		3981
		3982	cf::init_beforeplay;
		3983
		3984	atomic;
		3985
2799	load_extensions;	3986	load_extensions;
2800		3987
2801	$TICK_WATCHER->start;	3988	utime time, time, $RUNTIMEFILE;
2802	Event::loop;	3989
		3990	# no (long-running) fork's whatsoever before this point(!)
		3991	use POSIX ();
		3992	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3993
		3994	cf::_post_init 0;
		3995	};
		3996
		3997	cf::object::thawer::errors_are_fatal 0;
		3998	info "parse errors in files are no longer fatal from this point on.\n";
		3999
		4000	AE::postpone {
		4001	undef &main; # free gobs of memory :)
		4002	};
		4003
		4004	goto &main_loop;
2803	}	4005	}
2804		4006
2805	#############################################################################	4007	#############################################################################
2806	# initialisation and cleanup	4008	# initialisation and cleanup
2807		4009
2808	# install some emergency cleanup handlers	4010	# install some emergency cleanup handlers
2809	BEGIN {	4011	BEGIN {
		4012	our %SIGWATCHER = ();
2810	for my $signal (qw(INT HUP TERM)) {	4013	for my $signal (qw(INT HUP TERM)) {
2811	Event->signal (	4014	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2812	reentrant => 0,
2813	data => WF_AUTOCANCEL,
2814	signal => $signal,
2815	prio => 0,
2816	cb => sub {
2817	cf::cleanup "SIG$signal";	4015	cf::cleanup "SIG$signal";
2818	},
2819	);	4016	};
2820	}	4017	}
2821	}	4018	}
2822		4019
2823	sub write_runtime {	4020	sub write_runtime_sync {
2824	my $runtime = "$LOCALDIR/runtime";	4021	my $t0 = AE::time;
2825		4022
2826	# first touch the runtime file to show we are still running:	4023	# first touch the runtime file to show we are still running:
2827	# the fsync below can take a very very long time.	4024	# the fsync below can take a very very long time.
2828		4025
2829	IO::AIO::aio_utime $runtime, undef, undef;	4026	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
2830		4027
2831	my $guard = cf::lock_acquire "write_runtime";	4028	my $guard = cf::lock_acquire "write_runtime";
2832		4029
2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	4030	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
2834	or return;	4031	or return;
2835		4032
2836	my $value = $cf::RUNTIME + 90 + 10;	4033	my $value = $cf::RUNTIME + 90 + 10;
2837	# 10 is the runtime save interval, for a monotonic clock	4034	# 10 is the runtime save interval, for a monotonic clock
2838	# 60 allows for the watchdog to kill the server.	4035	# 60 allows for the watchdog to kill the server.
…		…
2848	aio_utime $fh, undef, undef;	4045	aio_utime $fh, undef, undef;
2849		4046
2850	close $fh	4047	close $fh
2851	or return;	4048	or return;
2852		4049
2853	aio_rename "$runtime~", $runtime	4050	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
2854	and return;	4051	and return;
2855		4052
2856	warn "runtime file written.\n";	4053	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
2857		4054
2858	1	4055	1
		4056	}
		4057
		4058	our $uuid_lock;
		4059	our $uuid_skip;
		4060
		4061	sub write_uuid_sync($) {
		4062	$uuid_skip ||= $_[0];
		4063
		4064	return if $uuid_lock;
		4065	local $uuid_lock = 1;
		4066
		4067	my $uuid = "$LOCALDIR/uuid";
		4068
		4069	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		4070	or return;
		4071
		4072	my $value = uuid_seq uuid_cur;
		4073
		4074	unless ($value) {
		4075	info "cowardly refusing to write zero uuid value!\n";
		4076	return;
		4077	}
		4078
		4079	my $value = uuid_str $value + $uuid_skip;
		4080	$uuid_skip = 0;
		4081
		4082	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		4083	and return;
		4084
		4085	# always fsync - this file is important
		4086	aio_fsync $fh
		4087	and return;
		4088
		4089	close $fh
		4090	or return;
		4091
		4092	aio_rename "$uuid~", $uuid
		4093	and return;
		4094
		4095	trace "uuid file written ($value).\n";
		4096
		4097	1
		4098
		4099	}
		4100
		4101	sub write_uuid($$) {
		4102	my ($skip, $sync) = @_;
		4103
		4104	$sync ? write_uuid_sync $skip
		4105	: async { write_uuid_sync $skip };
2859	}	4106	}
2860		4107
2861	sub emergency_save() {	4108	sub emergency_save() {
2862	my $freeze_guard = cf::freeze_mainloop;	4109	my $freeze_guard = cf::freeze_mainloop;
2863		4110
2864	warn "enter emergency perl save\n";	4111	info "emergency_perl_save: enter\n";
		4112
		4113	# this is a trade-off: we want to be very quick here, so
		4114	# save all maps without fsync, and later call a global sync
		4115	# (which in turn might be very very slow)
		4116	local $USE_FSYNC = 0;
2865		4117
2866	cf::sync_job {	4118	cf::sync_job {
		4119	cf::write_runtime_sync; # external watchdog should not bark
		4120
2867	# use a peculiar iteration method to avoid tripping on perl	4121	# use a peculiar iteration method to avoid tripping on perl
2868	# refcount bugs in for. also avoids problems with players	4122	# refcount bugs in for. also avoids problems with players
2869	# and maps saved/destroyed asynchronously.	4123	# and maps saved/destroyed asynchronously.
2870	warn "begin emergency player save\n";	4124	info "emergency_perl_save: begin player save\n";
2871	for my $login (keys %cf::PLAYER) {	4125	for my $login (keys %cf::PLAYER) {
2872	my $pl = $cf::PLAYER{$login} or next;	4126	my $pl = $cf::PLAYER{$login} or next;
2873	$pl->valid or next;	4127	$pl->valid or next;
		4128	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2874	$pl->save;	4129	$pl->save;
2875	}	4130	}
2876	warn "end emergency player save\n";	4131	info "emergency_perl_save: end player save\n";
2877		4132
2878	warn "begin emergency map save\n";	4133	cf::write_runtime_sync; # external watchdog should not bark
		4134
		4135	info "emergency_perl_save: begin map save\n";
2879	for my $path (keys %cf::MAP) {	4136	for my $path (keys %cf::MAP) {
2880	my $map = $cf::MAP{$path} or next;	4137	my $map = $cf::MAP{$path} or next;
2881	$map->valid or next;	4138	$map->valid or next;
2882	$map->save;	4139	$map->save;
2883	}	4140	}
2884	warn "end emergency map save\n";	4141	info "emergency_perl_save: end map save\n";
2885		4142
2886	warn "begin emergency database checkpoint\n";	4143	cf::write_runtime_sync; # external watchdog should not bark
		4144
		4145	info "emergency_perl_save: begin database checkpoint\n";
2887	BDB::db_env_txn_checkpoint $DB_ENV;	4146	BDB::db_env_txn_checkpoint $DB_ENV;
2888	warn "end emergency database checkpoint\n";	4147	info "emergency_perl_save: end database checkpoint\n";
		4148
		4149	info "emergency_perl_save: begin write uuid\n";
		4150	write_uuid_sync 1;
		4151	info "emergency_perl_save: end write uuid\n";
		4152
		4153	cf::write_runtime_sync; # external watchdog should not bark
		4154
		4155	trace "emergency_perl_save: syncing database to disk";
		4156	BDB::db_env_txn_checkpoint $DB_ENV;
		4157
		4158	info "emergency_perl_save: starting sync\n";
		4159	IO::AIO::aio_sync sub {
		4160	info "emergency_perl_save: finished sync\n";
		4161	};
		4162
		4163	cf::write_runtime_sync; # external watchdog should not bark
		4164
		4165	trace "emergency_perl_save: flushing outstanding aio requests";
		4166	while (IO::AIO::nreqs || BDB::nreqs) {
		4167	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4168	}
		4169
		4170	cf::write_runtime_sync; # external watchdog should not bark
2889	};	4171	};
2890		4172
2891	warn "leave emergency perl save\n";	4173	info "emergency_perl_save: leave\n";
2892	}	4174	}
2893		4175
2894	sub post_cleanup {	4176	sub post_cleanup {
2895	my ($make_core) = @_;	4177	my ($make_core) = @_;
2896		4178
		4179	IO::AIO::flush;
		4180
2897	warn Carp::longmess "post_cleanup backtrace"	4181	error Carp::longmess "post_cleanup backtrace"
2898	if $make_core;	4182	if $make_core;
		4183
		4184	my $fh = pidfile;
		4185	unlink $PIDFILE if <$fh> == $$;
		4186	}
		4187
		4188	# a safer delete_package, copied from Symbol
		4189	sub clear_package($) {
		4190	my $pkg = shift;
		4191
		4192	# expand to full symbol table name if needed
		4193	unless ($pkg =~ /^main::.*::$/) {
		4194	$pkg = "main$pkg" if $pkg =~ /^::/;
		4195	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4196	$pkg .= '::' unless $pkg =~ /::$/;
		4197	}
		4198
		4199	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4200	my $stem_symtab = *{$stem}{HASH};
		4201
		4202	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4203	or return;
		4204
		4205	# clear all symbols
		4206	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4207	for my $name (keys %$leaf_symtab) {
		4208	_gv_clear *{"$pkg$name"};
		4209	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4210	}
2899	}	4211	}
2900		4212
2901	sub do_reload_perl() {	4213	sub do_reload_perl() {
2902	# can/must only be called in main	4214	# can/must only be called in main
2903	if ($Coro::current != $Coro::main) {	4215	unless (in_main) {
2904	warn "can only reload from main coroutine";	4216	error "can only reload from main coroutine";
2905	return;	4217	return;
2906	}	4218	}
2907		4219
2908	warn "reloading...";	4220	return if $RELOAD++;
2909		4221
2910	warn "entering sync_job";	4222	my $t1 = AE::time;
2911		4223
		4224	while ($RELOAD) {
		4225	cf::get_slot 0.1, -1, "reload_perl";
		4226	info "perl_reload: reloading...";
		4227
		4228	trace "perl_reload: entering sync_job";
		4229
2912	cf::sync_job {	4230	cf::sync_job {
2913	cf::write_runtime; # external watchdog should not bark
2914	cf::emergency_save;	4231	#cf::emergency_save;
2915	cf::write_runtime; # external watchdog should not bark
2916		4232
2917	warn "syncing database to disk";
2918	BDB::db_env_txn_checkpoint $DB_ENV;
2919
2920	# if anything goes wrong in here, we should simply crash as we already saved
2921
2922	warn "cancelling all WF_AUTOCANCEL watchers";
2923	for (Event::all_watchers) {
2924	$_->cancel if $_->data & WF_AUTOCANCEL;
2925	}
2926
2927	warn "flushing outstanding aio requests";
2928	for (;;) {
2929	BDB::flush;
2930	IO::AIO::flush;
2931	Coro::cede;
2932	last unless IO::AIO::nreqs || BDB::nreqs;
2933	warn "iterate...";
2934	}
2935
2936	++$RELOAD;
2937
2938	warn "cancelling all extension coros";	4233	trace "perl_reload: cancelling all extension coros";
2939	$_->cancel for values %EXT_CORO;	4234	$_->cancel for values %EXT_CORO;
2940	%EXT_CORO = ();	4235	%EXT_CORO = ();
2941		4236
2942	warn "removing commands";	4237	trace "perl_reload: removing commands";
2943	%COMMAND = ();	4238	%COMMAND = ();
2944		4239
2945	warn "removing ext/exti commands";	4240	trace "perl_reload: removing ext/exti commands";
2946	%EXTCMD = ();	4241	%EXTCMD = ();
2947	%EXTICMD = ();	4242	%EXTICMD = ();
2948		4243
2949	warn "unloading/nuking all extensions";	4244	trace "perl_reload: unloading/nuking all extensions";
2950	for my $pkg (@EXTS) {	4245	for my $pkg (@EXTS) {
2951	warn "... unloading $pkg";	4246	trace "... unloading $pkg";
2952		4247
2953	if (my $cb = $pkg->can ("unload")) {	4248	if (my $cb = $pkg->can ("unload")) {
2954	eval {	4249	eval {
2955	$cb->($pkg);	4250	$cb->($pkg);
2956	1	4251	1
2957	} or warn "$pkg unloaded, but with errors: $@";	4252	} or error "$pkg unloaded, but with errors: $@";
		4253	}
		4254
		4255	trace "... clearing $pkg";
		4256	clear_package $pkg;
2958	}	4257	}
2959		4258
2960	warn "... nuking $pkg";
2961	Symbol::delete_package $pkg;
2962	}
2963
2964	warn "unloading all perl modules loaded from $LIBDIR";	4259	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
2965	while (my ($k, $v) = each %INC) {	4260	while (my ($k, $v) = each %INC) {
2966	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4261	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2967		4262
2968	warn "... unloading $k";	4263	trace "... unloading $k";
2969	delete $INC{$k};	4264	delete $INC{$k};
2970		4265
2971	$k =~ s/\.pm$//;	4266	$k =~ s/\.pm$//;
2972	$k =~ s/\//::/g;	4267	$k =~ s/\//::/g;
2973		4268
2974	if (my $cb = $k->can ("unload_module")) {	4269	if (my $cb = $k->can ("unload_module")) {
2975	$cb->();	4270	$cb->();
		4271	}
		4272
		4273	clear_package $k;
2976	}	4274	}
2977		4275
2978	Symbol::delete_package $k;
2979	}
2980
2981	warn "getting rid of safe::, as good as possible";	4276	trace "perl_reload: getting rid of safe::, as good as possible";
2982	Symbol::delete_package "safe::$_"	4277	clear_package "safe::$_"
2983	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4278	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2984		4279
2985	warn "unloading cf.pm \"a bit\"";	4280	trace "perl_reload: unloading cf.pm \"a bit\"";
2986	delete $INC{"cf.pm"};	4281	delete $INC{"cf.pm"};
2987	delete $INC{"cf/pod.pm"};	4282	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2988		4283
2989	# don't, removes xs symbols, too,	4284	# don't, removes xs symbols, too,
2990	# and global variables created in xs	4285	# and global variables created in xs
2991	#Symbol::delete_package __PACKAGE__;	4286	#clear_package __PACKAGE__;
2992		4287
2993	warn "unload completed, starting to reload now";	4288	info "perl_reload: unload completed, starting to reload now";
2994		4289
2995	warn "reloading cf.pm";	4290	trace "perl_reload: reloading cf.pm";
2996	require cf;	4291	require cf;
2997	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4292	cf::_connect_to_perl_1;
2998		4293
2999	warn "loading config and database again";	4294	trace "perl_reload: loading config and database again";
3000	cf::cfg_load;	4295	cf::reload_config;
3001		4296
3002	warn "loading extensions";	4297	trace "perl_reload: loading extensions";
3003	cf::load_extensions;	4298	cf::load_extensions;
3004		4299
		4300	if ($REATTACH_ON_RELOAD) {
3005	warn "reattaching attachments to objects/players";	4301	trace "perl_reload: reattaching attachments to objects/players";
3006	_global_reattach; # objects, sockets	4302	_global_reattach; # objects, sockets
3007	warn "reattaching attachments to maps";	4303	trace "perl_reload: reattaching attachments to maps";
3008	reattach $_ for values %MAP;	4304	reattach $_ for values %MAP;
3009	warn "reattaching attachments to players";	4305	trace "perl_reload: reattaching attachments to players";
3010	reattach $_ for values %PLAYER;	4306	reattach $_ for values %PLAYER;
		4307	}
3011		4308
3012	warn "leaving sync_job";	4309	cf::_post_init 1;
3013		4310
		4311	trace "perl_reload: leaving sync_job";
		4312
3014	1	4313	1
3015	} or do {	4314	} or do {
3016	warn $@;	4315	error $@;
3017	warn "error while reloading, exiting.";	4316	cf::cleanup "perl_reload: error, exiting.";
3018	exit 1;	4317	};
		4318
		4319	--$RELOAD;
3019	};	4320	}
3020		4321
3021	warn "reloaded";	4322	$t1 = AE::time - $t1;
		4323	info "perl_reload: completed in ${t1}s\n";
3022	};	4324	};
3023		4325
3024	our $RELOAD_WATCHER; # used only during reload	4326	our $RELOAD_WATCHER; # used only during reload
3025		4327
3026	sub reload_perl() {	4328	sub reload_perl() {
3027	# doing reload synchronously and two reloads happen back-to-back,	4329	# doing reload synchronously and two reloads happen back-to-back,
3028	# coro crashes during coro_state_free->destroy here.	4330	# coro crashes during coro_state_free->destroy here.
3029		4331
3030	$RELOAD_WATCHER ||= Event->timer (	4332	$RELOAD_WATCHER ||= cf::async {
3031	reentrant => 0,	4333	Coro::AIO::aio_wait cache_extensions;
3032	after => 0,	4334
3033	data => WF_AUTOCANCEL,	4335	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3034	cb => sub {
3035	do_reload_perl;	4336	do_reload_perl;
3036	undef $RELOAD_WATCHER;	4337	undef $RELOAD_WATCHER;
3037	},	4338	};
3038	);	4339	};
3039	}	4340	}
3040		4341
3041	register_command "reload" => sub {	4342	register_command "reload" => sub {
3042	my ($who, $arg) = @_;	4343	my ($who, $arg) = @_;
3043		4344
3044	if ($who->flag (FLAG_WIZ)) {	4345	if ($who->flag (FLAG_WIZ)) {
3045	$who->message ("reloading server.");	4346	$who->message ("reloading server.");
		4347	async {
		4348	$Coro::current->{desc} = "perl_reload";
3046	async { reload_perl };	4349	reload_perl;
		4350	};
3047	}	4351	}
3048	};	4352	};
3049		4353
3050	unshift @INC, $LIBDIR;	4354	#############################################################################
3051		4355
3052	my $bug_warning = 0;	4356	my $bug_warning = 0;
3053		4357
3054	our @WAIT_FOR_TICK;
3055	our @WAIT_FOR_TICK_BEGIN;
3056
3057	sub wait_for_tick {	4358	sub wait_for_tick() {
3058	return unless $TICK_WATCHER->is_active;	4359	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3059	return if $Coro::current == $Coro::main;
3060		4360
3061	my $signal = new Coro::Signal;	4361	$WAIT_FOR_TICK->wait;
3062	push @WAIT_FOR_TICK, $signal;
3063	$signal->wait;
3064	}	4362	}
3065		4363
3066	sub wait_for_tick_begin {	4364	sub wait_for_tick_begin() {
3067	return unless $TICK_WATCHER->is_active;	4365	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3068	return if $Coro::current == $Coro::main;
3069		4366
3070	my $signal = new Coro::Signal;	4367	my $signal = new Coro::Signal;
3071	push @WAIT_FOR_TICK_BEGIN, $signal;	4368	push @WAIT_FOR_TICK_BEGIN, $signal;
3072	$signal->wait;	4369	$signal->wait;
3073	}	4370	}
3074		4371
3075	my $min = 1e6;#d#	4372	sub tick {
3076	my $avg = 10;
3077	$TICK_WATCHER = Event->timer (
3078	reentrant => 0,
3079	parked => 1,
3080	prio => 0,
3081	at => $NEXT_TICK || $TICK,
3082	data => WF_AUTOCANCEL,
3083	cb => sub {
3084	if ($Coro::current != $Coro::main) {	4373	if ($Coro::current != $Coro::main) {
3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4374	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3086	unless ++$bug_warning > 10;	4375	unless ++$bug_warning > 10;
3087	return;	4376	return;
3088	}	4377	}
3089		4378
3090	$NOW = $tick_start = Event::time;	4379	cf::one_tick; # one server iteration
3091		4380
3092	cf::server_tick; # one server iteration	4381	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3093		4382
3094	0 && sync_job {#d#	4383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3095	for(1..10) {	4384	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3096	my $t = Event::time;	4385	Coro::async_pool {
3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"	4386	$Coro::current->{desc} = "runtime saver";
3098	or die;	4387	write_runtime_sync
3099		4388	or error "ERROR: unable to write runtime file: $!";
3100	$map->width (50);
3101	$map->height (50);
3102	$map->alloc;
3103	$map->_load_objects ("/tmp/x.map", 1);
3104	my $t = Event::time - $t;
3105
3106	#next unless $t < 0.0013;#d#
3107	if ($t < $min) {
3108	$min = $t;
3109	}
3110	$avg = $avg * 0.99 + $t * 0.01;
3111	}
3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3113	exit 0;
3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3115	};	4389	};
		4390	}
3116		4391
3117	$RUNTIME += $TICK;
3118	$NEXT_TICK += $TICK;
3119
3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
3122	Coro::async_pool {
3123	write_runtime
3124	or warn "ERROR: unable to write runtime file: $!";
3125	};
3126	}
3127
3128	# my $AFTER = Event::time;
3129	# warn $AFTER - $NOW;#d#
3130
3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4392	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3132	$sig->send;	4393	$sig->send;
3133	}	4394	}
3134	while (my $sig = shift @WAIT_FOR_TICK) {	4395	$WAIT_FOR_TICK->broadcast;
3135	$sig->send;
3136	}
3137		4396
3138	$NOW = Event::time;	4397	$LOAD = ($NOW - $TICK_START) / $TICK;
3139
3140	# if we are delayed by four ticks or more, skip them all
3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
3142
3143	$TICK_WATCHER->at ($NEXT_TICK);
3144	$TICK_WATCHER->start;
3145
3146	$LOAD = ($NOW - $tick_start) / $TICK;
3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3148		4399
3149	_post_tick;	4400	if (0) {
3150		4401	if ($NEXT_TICK) {
3151		4402	my $jitter = $TICK_START - $NEXT_TICK;
		4403	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4404	debug "jitter $JITTER\n";#d#
		4405	}
3152	},	4406	}
3153	);	4407	}
3154		4408
3155	{	4409	{
3156	BDB::max_poll_time $TICK * 0.1;	4410	# configure BDB
3157	$BDB_POLL_WATCHER = Event->io (	4411	info "initialising database";
3158	reentrant => 0,	4412
3159	fd => BDB::poll_fileno,
3160	poll => 'r',
3161	prio => 0,
3162	data => WF_AUTOCANCEL,
3163	cb => \&BDB::poll_cb,
3164	);
3165	BDB::min_parallel 8;	4413	BDB::min_parallel 16;
3166		4414	BDB::max_poll_reqs $TICK * 0.1;
3167	BDB::set_sync_prepare {	4415	#$AnyEvent::BDB::WATCHER->priority (1);
3168	my $status;
3169	my $current = $Coro::current;
3170	(
3171	sub {
3172	$status = $!;
3173	$current->ready; undef $current;
3174	},
3175	sub {
3176	Coro::schedule while defined $current;
3177	$! = $status;
3178	},
3179	)
3180	};
3181		4416
3182	unless ($DB_ENV) {	4417	unless ($DB_ENV) {
3183	$DB_ENV = BDB::db_env_create;	4418	$DB_ENV = BDB::db_env_create;
		4419	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4420	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4421	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4422	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4423	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3184		4424
3185	cf::sync_job {	4425	cf::sync_job {
3186	eval {	4426	eval {
3187	BDB::db_env_open	4427	BDB::db_env_open
3188	$DB_ENV,	4428	$DB_ENV,
…		…
3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	4430	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	4431	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3192	0666;	4432	0666;
3193		4433
3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;	4434	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3195
3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3197	$DB_ENV->set_lk_detect;
3198	};	4435	};
3199		4436
3200	cf::cleanup "db_env_open(db): $@" if $@;	4437	cf::cleanup "db_env_open(db): $@" if $@;
3201	};	4438	};
3202	}	4439	}
		4440
		4441	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4442	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4443	};
		4444	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4445	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4446	};
		4447	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4448	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4449	};
		4450
		4451	info "database initialised";
3203	}	4452	}
3204		4453
3205	{	4454	{
		4455	# configure IO::AIO
		4456
		4457	info "initialising aio";
3206	IO::AIO::min_parallel 8;	4458	IO::AIO::min_parallel 8;
3207
3208	undef $Coro::AIO::WATCHER;
3209	IO::AIO::max_poll_time $TICK * 0.1;	4459	IO::AIO::max_poll_time $TICK * 0.1;
3210	$AIO_POLL_WATCHER = Event->io (	4460	undef $AnyEvent::AIO::WATCHER;
3211	reentrant => 0,	4461	info "aio initialised";
3212	data => WF_AUTOCANCEL,
3213	fd => IO::AIO::poll_fileno,
3214	poll => 'r',
3215	prio => 6,
3216	cb => \&IO::AIO::poll_cb,
3217	);
3218	}	4462	}
3219		4463
3220	my $_log_backtrace;	4464	our $_log_backtrace;
		4465	our $_log_backtrace_last;
3221		4466
3222	sub _log_backtrace {	4467	sub _log_backtrace {
3223	my ($msg, @addr) = @_;	4468	my ($msg, @addr) = @_;
3224		4469
3225	$msg =~ s/\n//;	4470	$msg =~ s/\n$//;
3226		4471
		4472	if ($_log_backtrace_last eq $msg) {
		4473	LOG llevInfo, "[ABT] $msg\n";
		4474	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3227	# limit the # of concurrent backtraces	4475	# limit the # of concurrent backtraces
3228	if ($_log_backtrace < 2) {	4476	} elsif ($_log_backtrace < 2) {
		4477	$_log_backtrace_last = $msg;
3229	++$_log_backtrace;	4478	++$_log_backtrace;
		4479	my $perl_bt = Carp::longmess $msg;
3230	async {	4480	async {
		4481	$Coro::current->{desc} = "abt $msg";
		4482
3231	my @bt = fork_call {	4483	my @bt = fork_call {
3232	@addr = map { sprintf "%x", $_ } @addr;	4484	@addr = map { sprintf "%x", $_ } @addr;
3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;	4485	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"	4486	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3235	or die "addr2line: $!";	4487	or die "addr2line: $!";
…		…
3243	}	4495	}
3244		4496
3245	@funcs	4497	@funcs
3246	};	4498	};
3247		4499
3248	LOG llevInfo, "[ABT] $msg\n";	4500	LOG llevInfo, "[ABT] $perl_bt\n";
		4501	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3249	LOG llevInfo, "[ABT] $_\n" for @bt;	4502	LOG llevInfo, "[ABT] $_\n" for @bt;
3250	--$_log_backtrace;	4503	--$_log_backtrace;
3251	};	4504	};
3252	} else {	4505	} else {
3253	LOG llevInfo, "[ABT] $msg\n";	4506	LOG llevInfo, "[ABT] $msg\n";
3254	LOG llevInfo, "[ABT] [suppressed]\n";	4507	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3255	}	4508	}
3256	}	4509	}
3257		4510
3258	# load additional modules	4511	# load additional modules
3259	use cf::pod;	4512	require "cf/$_.pm" for @EXTRA_MODULES;
		4513	cf::_connect_to_perl_2;
3260		4514
3261	END { cf::emergency_save }	4515	END { cf::emergency_save }
3262		4516
3263	1	4517	1
3264		4518

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