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Revision 1.433 by root, Sat May 10 22:38:52 2008 UTC vs.
Revision 1.598 by root, Sun Nov 11 02:38:10 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
35		40
36	use Coro ();	41	use Coro ();
37	use Coro::State;	42	use Coro::State;
38	use Coro::Handle;	43	use Coro::Handle;
39	use Coro::EV;	44	use Coro::EV;
		45	use Coro::AnyEvent;
40	use Coro::Timer;	46	use Coro::Timer;
41	use Coro::Signal;	47	use Coro::Signal;
42	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
43	use Coro::AnyEvent;	50	use Coro::AnyEvent;
44	use Coro::AIO;	51	use Coro::AIO;
45	use Coro::BDB;	52	use Coro::BDB 1.6;
46	use Coro::Storable;	53	use Coro::Storable;
47	use Coro::Util ();	54	use Coro::Util ();
48		55
		56	use Guard ();
49	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
50	use BDB ();	58	use BDB ();
51	use Data::Dumper;	59	use Data::Dumper;
52	use Digest::MD5;
53	use Fcntl;	60	use Fcntl;
54	use YAML ();	61	use YAML::XS ();
55	use IO::AIO ();	62	use IO::AIO ();
56	use Time::HiRes;
57	use Compress::LZF;	63	use Compress::LZF;
58	use Digest::MD5 ();	64	use Digest::MD5 ();
59		65
60	AnyEvent::detect;	66	AnyEvent::detect;
61		67
62	# configure various modules to our taste	68	# configure various modules to our taste
63	#	69	#
64	$Storable::canonical = 1; # reduce rsync transfers	70	$Storable::canonical = 1; # reduce rsync transfers
65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	71	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		72
		73	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		74
		75	# make sure c-lzf reinitialises itself
		76	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	77	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
67		78
68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	79	# strictly for debugging
		80	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
69		81
70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	82	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		83
		84	our @ORIG_INC;
71		85
72	our %COMMAND = ();	86	our %COMMAND = ();
73	our %COMMAND_TIME = ();	87	our %COMMAND_TIME = ();
74		88
75	our @EXTS = (); # list of extension package names	89	our @EXTS = (); # list of extension package names
76	our %EXTCMD = ();	90	our %EXTCMD = ();
		91	our %EXTACMD = ();
77	our %EXTICMD = ();	92	our %EXTICMD = ();
		93	our %EXTIACMD = ();
78	our %EXT_CORO = (); # coroutines bound to extensions	94	our %EXT_CORO = (); # coroutines bound to extensions
79	our %EXT_MAP = (); # pluggable maps	95	our %EXT_MAP = (); # pluggable maps
80		96
81	our $RELOAD; # number of reloads so far	97	our $RELOAD; # number of reloads so far, non-zero while in reload
82	our @EVENT;	98	our @EVENT;
		99	our @REFLECT; # set by XS
		100	our %REFLECT; # set by us
83		101
84	our $CONFDIR = confdir;	102	our $CONFDIR = confdir;
		103
85	our $DATADIR = datadir;	104	our $DATADIR = datadir;
86	our $LIBDIR = "$DATADIR/ext";	105	our $LIBDIR = "$DATADIR/ext";
87	our $PODDIR = "$DATADIR/pod";	106	our $PODDIR = "$DATADIR/pod";
88	our $MAPDIR = "$DATADIR/" . mapdir;	107	our $MAPDIR = "$DATADIR/" . mapdir;
		108
89	our $LOCALDIR = localdir;	109	our $LOCALDIR = localdir;
90	our $TMPDIR = "$LOCALDIR/" . tmpdir;	110	our $TMPDIR = "$LOCALDIR/" . tmpdir;
91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	111	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	112	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93	our $RANDOMDIR = "$LOCALDIR/random";	113	our $RANDOMDIR = "$LOCALDIR/random";
94	our $BDBDIR = "$LOCALDIR/db";	114	our $BDBDIR = "$LOCALDIR/db";
95	our %RESOURCE;	115	our $PIDFILE = "$LOCALDIR/pid";
		116	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		117
		118	#our %RESOURCE; # unused
		119
		120	our $OUTPUT_RATE_MIN = 3000;
		121	our $OUTPUT_RATE_MAX = 1000000;
		122
		123	our $MAX_LINKS = 32; # how many chained exits to follow
		124	our $VERBOSE_IO = 1;
96		125
97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	126	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	127	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
99	our $NEXT_TICK;	128	our $NEXT_TICK;
100	our $USE_FSYNC = 1; # use fsync to write maps - default off	129	our $USE_FSYNC = 1; # use fsync to write maps - default on
101		130
102	our $BDB_DEADLOCK_WATCHER;	131	our $BDB_DEADLOCK_WATCHER;
103	our $BDB_CHECKPOINT_WATCHER;	132	our $BDB_CHECKPOINT_WATCHER;
104	our $BDB_TRICKLE_WATCHER;	133	our $BDB_TRICKLE_WATCHER;
105	our $DB_ENV;	134	our $DB_ENV;
106		135
		136	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		137
107	our %CFG;	138	our %CFG;
		139	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
108		140
109	our $UPTIME; $UPTIME ||= time;	141	our $UPTIME; $UPTIME ||= time;
110	our $RUNTIME;	142	our $RUNTIME = 0;
		143	our $SERVER_TICK = 0;
111	our $NOW;	144	our $NOW;
112		145
113	our (%PLAYER, %PLAYER_LOADING); # all users	146	our (%PLAYER, %PLAYER_LOADING); # all users
114	our (%MAP, %MAP_LOADING ); # all maps	147	our (%MAP, %MAP_LOADING ); # all maps
115	our $LINK_MAP; # the special {link} map, which is always available	148	our $LINK_MAP; # the special {link} map, which is always available
…		…
120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	153	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
121	our $LOADAVG; # same thing, but with alpha-smoothing	154	our $LOADAVG; # same thing, but with alpha-smoothing
122	our $JITTER; # average jitter	155	our $JITTER; # average jitter
123	our $TICK_START; # for load detecting purposes	156	our $TICK_START; # for load detecting purposes
124		157
		158	our @POST_INIT;
		159
		160	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		161	our $REALLY_UNLOOP; # never set to true, please :)
		162
		163	our $WAIT_FOR_TICK = new Coro::Signal;
		164	our @WAIT_FOR_TICK_BEGIN;
		165
125	binmode STDOUT;	166	binmode STDOUT;
126	binmode STDERR;	167	binmode STDERR;
127		168
128	# read virtual server time, if available	169	# read virtual server time, if available
129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	170	unless ($RUNTIME || !-e $RUNTIMEFILE) {
130	open my $fh, "<", "$LOCALDIR/runtime"	171	open my $fh, "<", $RUNTIMEFILE
131	or die "unable to read runtime file: $!";	172	or die "unable to read $RUNTIMEFILE file: $!";
132	$RUNTIME = <$fh> + 0.;	173	$RUNTIME = <$fh> + 0.;
133	}	174	}
		175
		176	eval "sub TICK() { $TICK } 1" or die;
134		177
135	mkdir $_	178	mkdir $_
136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	179	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
137		180
138	our $EMERGENCY_POSITION;	181	our $EMERGENCY_POSITION;
139		182
140	sub cf::map::normalise;	183	sub cf::map::normalise;
141		184
		185	sub in_main() {
		186	$Coro::current == $Coro::main
		187	}
		188
142	#############################################################################	189	#############################################################################
143		190
		191	%REFLECT = ();
		192	for (@REFLECT) {
		193	my $reflect = JSON::XS::decode_json $_;
		194	$REFLECT{$reflect->{class}} = $reflect;
		195	}
		196
		197	# this is decidedly evil
		198	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		199
		200	#############################################################################
		201
144	=head2 GLOBAL VARIABLES	202	=head2 GLOBAL VARIABLES
145		203
146	=over 4	204	=over 4
147		205
148	=item $cf::UPTIME	206	=item $cf::UPTIME
149		207
150	The timestamp of the server start (so not actually an uptime).	208	The timestamp of the server start (so not actually an "uptime").
		209
		210	=item $cf::SERVER_TICK
		211
		212	An unsigned integer that starts at zero when the server is started and is
		213	incremented on every tick.
		214
		215	=item $cf::NOW
		216
		217	The (real) time of the last (current) server tick - updated before and
		218	after tick processing, so this is useful only as a rough "what time is it
		219	now" estimate.
		220
		221	=item $cf::TICK
		222
		223	The interval between each server tick, in seconds.
151		224
152	=item $cf::RUNTIME	225	=item $cf::RUNTIME
153		226
154	The time this server has run, starts at 0 and is increased by $cf::TICK on	227	The time this server has run, starts at 0 and is increased by $cf::TICK on
155	every server tick.	228	every server tick.
156		229
157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	230	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	231	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	232	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
160		233
161	Various directories - "/etc", read-only install directory, perl-library	234	Various directories - "/etc", read-only install directory, perl-library
162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	235	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
163	unique-items directory, player file directory, random maps directory and	236	unique-items directory, player file directory, random maps directory and
164	database environment.	237	database environment.
165		238
166	=item $cf::NOW
167
168	The time of the last (current) server tick.
169
170	=item $cf::TICK
171
172	The interval between server ticks, in seconds.
173
174	=item $cf::LOADAVG	239	=item $cf::LOADAVG
175		240
176	The current CPU load on the server (alpha-smoothed), as a value between 0	241	The current CPU load on the server (alpha-smoothed), as a value between 0
177	(none) and 1 (overloaded), indicating how much time is spent on processing	242	(none) and 1 (overloaded), indicating how much time is spent on processing
178	objects per tick. Healthy values are < 0.5.	243	objects per tick. Healthy values are < 0.5.
…		…
187	from wherever your confdir points to.	252	from wherever your confdir points to.
188		253
189	=item cf::wait_for_tick, cf::wait_for_tick_begin	254	=item cf::wait_for_tick, cf::wait_for_tick_begin
190		255
191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	256	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
192	returns directly I<after> the tick processing (and consequently, can only wake one process	257	returns directly I<after> the tick processing (and consequently, can only wake one thread
193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	258	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
194		259
		260	Note that cf::Wait_for_tick will immediately return when the server is not
		261	ticking, making it suitable for small pauses in threads that need to run
		262	when the server is paused. If that is not applicable (i.e. you I<really>
		263	want to wait, use C<$cf::WAIT_FOR_TICK>).
		264
		265	=item $cf::WAIT_FOR_TICK
		266
		267	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		268	variable contains a L<Coro::Signal> that is broadcats after every server
		269	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		270	next server tick.
		271
		272	=cut
		273
		274	sub wait_for_tick();
		275	sub wait_for_tick_begin();
		276
195	=item @cf::INVOKE_RESULTS	277	=item @cf::INVOKE_RESULTS
196		278
197	This array contains the results of the last C<invoke ()> call. When	279	This array contains the results of the last C<invoke ()> call. When
198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	280	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
199	that call.	281	that call.
200		282
		283	=item %cf::REFLECT
		284
		285	Contains, for each (C++) class name, a hash reference with information
		286	about object members (methods, scalars, arrays and flags) and other
		287	metadata, which is useful for introspection.
		288
201	=back	289	=back
202		290
203	=cut	291	=cut
204		292
205	BEGIN {	293	sub error(@) { LOG llevError, join "", @_ }
206	*CORE::GLOBAL::warn = sub {	294	sub warn (@) { LOG llevWarn , join "", @_ }
		295	sub info (@) { LOG llevInfo , join "", @_ }
		296	sub debug(@) { LOG llevDebug, join "", @_ }
		297	sub trace(@) { LOG llevTrace, join "", @_ }
		298
		299	$Coro::State::WARNHOOK = sub {
207	my $msg = join "", @_;	300	my $msg = join "", @_;
208		301
209	$msg .= "\n"	302	$msg .= "\n"
210	unless $msg =~ /\n$/;	303	unless $msg =~ /\n$/;
211		304
212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	305	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
213		306
214	LOG llevError, $msg;	307	LOG llevWarn, $msg;
215	};	308	};
216	}
217		309
218	$Coro::State::DIEHOOK = sub {	310	$Coro::State::DIEHOOK = sub {
219	return unless $^S eq 0; # "eq", not "=="	311	return unless $^S eq 0; # "eq", not "=="
220		312
221	if ($Coro::current == $Coro::main) {#d#	313	error Carp::longmess $_[0];
		314
		315	if (in_main) {#d#
222	warn "DIEHOOK called in main context, Coro bug?\n";#d#	316	error "DIEHOOK called in main context, Coro bug?\n";#d#
223	return;#d#	317	return;#d#
224	}#d#	318	}#d#
225		319
226	# kill coroutine otherwise	320	# kill coroutine otherwise
227	warn Carp::longmess $_[0];
228	Coro::terminate	321	Coro::terminate
229	};	322	};
230
231	$SIG{__DIE__} = sub { }; #d#?
232		323
233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	324	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	325	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	326	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	327	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
243	for my $pkg (qw(	334	for my $pkg (qw(
244	cf::global cf::attachable	335	cf::global cf::attachable
245	cf::object cf::object::player	336	cf::object cf::object::player
246	cf::client cf::player	337	cf::client cf::player
247	cf::arch cf::living	338	cf::arch cf::living
		339	cf::map cf::mapspace
248	cf::map cf::party cf::region	340	cf::party cf::region
249	)) {	341	)) {
250	no strict 'refs';
251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	342	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
252	}	343	}
253		344
254	$EV::DIED = sub {	345	$EV::DIED = sub {
255	warn "error in event callback: @_";	346	warn "error in event callback: $@";
256	};	347	};
		348
		349	#############################################################################
		350
		351	sub fork_call(&@);
		352	sub get_slot($;$$);
257		353
258	#############################################################################	354	#############################################################################
259		355
260	=head2 UTILITY FUNCTIONS	356	=head2 UTILITY FUNCTIONS
261		357
…		…
282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	378	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
283	$d	379	$d
284	} || "[unable to dump $_[0]: '$@']";	380	} || "[unable to dump $_[0]: '$@']";
285	}	381	}
286		382
		383	=item $scalar = cf::load_file $path
		384
		385	Loads the given file from path and returns its contents. Croaks on error
		386	and can block.
		387
		388	=cut
		389
		390	sub load_file($) {
		391	0 <= aio_load $_[0], my $data
		392	or Carp::croak "$_[0]: $!";
		393
		394	$data
		395	}
		396
		397	=item $success = cf::replace_file $path, $data, $sync
		398
		399	Atomically replaces the file at the given $path with new $data, and
		400	optionally $sync the data to disk before replacing the file.
		401
		402	=cut
		403
		404	sub replace_file($$;$) {
		405	my ($path, $data, $sync) = @_;
		406
		407	my $lock = cf::lock_acquire ("replace_file:$path");
		408
		409	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		410	or return;
		411
		412	$data = $data->() if ref $data;
		413
		414	length $data == aio_write $fh, 0, (length $data), $data, 0
		415	or return;
		416
		417	!$sync
		418	or !aio_fsync $fh
		419	or return;
		420
		421	aio_close $fh
		422	and return;
		423
		424	aio_rename "$path~", $path
		425	and return;
		426
		427	if ($sync) {
		428	$path =~ s%/[^/]*$%%;
		429	aio_pathsync $path;
		430	}
		431
		432	1
		433	}
		434
287	=item $ref = cf::decode_json $json	435	=item $ref = cf::decode_json $json
288		436
289	Converts a JSON string into the corresponding perl data structure.	437	Converts a JSON string into the corresponding perl data structure.
290		438
291	=item $json = cf::encode_json $ref	439	=item $json = cf::encode_json $ref
…		…
297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	445	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298		446
299	sub encode_json($) { $json_coder->encode ($_[0]) }	447	sub encode_json($) { $json_coder->encode ($_[0]) }
300	sub decode_json($) { $json_coder->decode ($_[0]) }	448	sub decode_json($) { $json_coder->decode ($_[0]) }
301		449
		450	=item $ref = cf::decode_storable $scalar
		451
		452	Same as Coro::Storable::thaw, so blocks.
		453
		454	=cut
		455
		456	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		457
		458	=item $ref = cf::decode_yaml $scalar
		459
		460	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		461
		462	=cut
		463
		464	sub decode_yaml($) {
		465	fork_call { YAML::XS::Load $_[0] } @_
		466	}
		467
		468	=item $scalar = cf::unlzf $scalar
		469
		470	Same as Compress::LZF::compress, but takes server ticks into account, so
		471	blocks.
		472
		473	=cut
		474
		475	sub unlzf($) {
		476	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		477	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		478	Compress::LZF::decompress $_[0]
		479	}
		480
		481	=item cf::post_init { BLOCK }
		482
		483	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		484	but I<before> the server starts ticking again.
		485
		486	The codeblock will have a single boolean argument to indicate whether this
		487	is a reload or not.
		488
		489	=cut
		490
		491	sub post_init(&) {
		492	push @POST_INIT, shift;
		493	}
		494
		495	sub _post_init {
		496	trace "running post_init jobs";
		497
		498	# run them in parallel...
		499
		500	my @join;
		501
		502	while () {
		503	push @join, map &Coro::async ($_, 0), @POST_INIT;
		504	@POST_INIT = ();
		505
		506	@join or last;
		507
		508	(pop @join)->join;
		509	}
		510	}
		511
302	=item cf::lock_wait $string	512	=item cf::lock_wait $string
303		513
304	Wait until the given lock is available. See cf::lock_acquire.	514	Wait until the given lock is available. See cf::lock_acquire.
305		515
306	=item my $lock = cf::lock_acquire $string	516	=item my $lock = cf::lock_acquire $string
307		517
308	Wait until the given lock is available and then acquires it and returns	518	Wait until the given lock is available and then acquires it and returns
309	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	519	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
310	for example when the coroutine gets canceled), the lock is automatically	520	for example when the coroutine gets canceled), the lock is automatically
311	returned.	521	returned.
312		522
313	Locks are *not* recursive, locking from the same coro twice results in a	523	Locks are *not* recursive, locking from the same coro twice results in a
314	deadlocked coro.	524	deadlocked coro.
…		…
320		530
321	Return true if the lock is currently active, i.e. somebody has locked it.	531	Return true if the lock is currently active, i.e. somebody has locked it.
322		532
323	=cut	533	=cut
324		534
325	our %LOCK;	535	our $LOCKS = new Coro::SemaphoreSet;
326	our %LOCKER;#d#
327		536
328	sub lock_wait($) {	537	sub lock_wait($) {
329	my ($key) = @_;	538	$LOCKS->wait ($_[0]);
330
331	if ($LOCKER{$key} == $Coro::current) {#d#
332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333	return;#d#
334	}#d#
335
336	# wait for lock, if any
337	while ($LOCK{$key}) {
338	push @{ $LOCK{$key} }, $Coro::current;
339	Coro::schedule;
340	}
341	}	539	}
342		540
343	sub lock_acquire($) {	541	sub lock_acquire($) {
344	my ($key) = @_;	542	$LOCKS->guard ($_[0])
345
346	# wait, to be sure we are not locked
347	lock_wait $key;
348
349	$LOCK{$key} = [];
350	$LOCKER{$key} = $Coro::current;#d#
351
352	Coro::guard {
353	delete $LOCKER{$key};#d#
354	# wake up all waiters, to be on the safe side
355	$_->ready for @{ delete $LOCK{$key} };
356	}
357	}	543	}
358		544
359	sub lock_active($) {	545	sub lock_active($) {
360	my ($key) = @_;	546	$LOCKS->count ($_[0]) < 1
361
362	! ! $LOCK{$key}
363	}	547	}
364		548
365	sub freeze_mainloop {	549	sub freeze_mainloop {
366	tick_inhibit_inc;	550	tick_inhibit_inc;
367		551
368	Coro::guard \&tick_inhibit_dec;	552	&Guard::guard (\&tick_inhibit_dec);
369	}	553	}
370		554
371	=item cf::periodic $interval, $cb	555	=item cf::periodic $interval, $cb
372		556
373	Like EV::periodic, but randomly selects a starting point so that the actions	557	Like EV::periodic, but randomly selects a starting point so that the actions
374	get spread over timer.	558	get spread over time.
375		559
376	=cut	560	=cut
377		561
378	sub periodic($$) {	562	sub periodic($$) {
379	my ($interval, $cb) = @_;	563	my ($interval, $cb) = @_;
…		…
383	EV::periodic $start, $interval, 0, $cb	567	EV::periodic $start, $interval, 0, $cb
384	}	568	}
385		569
386	=item cf::get_slot $time[, $priority[, $name]]	570	=item cf::get_slot $time[, $priority[, $name]]
387		571
388	Allocate $time seconds of blocking CPU time at priority C<$priority>:	572	Allocate $time seconds of blocking CPU time at priority C<$priority>
389	This call blocks and returns only when you have at least C<$time> seconds	573	(default: 0): This call blocks and returns only when you have at least
390	of cpu time till the next tick. The slot is only valid till the next cede.	574	C<$time> seconds of cpu time till the next tick. The slot is only valid
		575	till the next cede.
		576
		577	Background jobs should use a priority les than zero, interactive jobs
		578	should use 100 or more.
391		579
392	The optional C<$name> can be used to identify the job to run. It might be	580	The optional C<$name> can be used to identify the job to run. It might be
393	used for statistical purposes and should identify the same time-class.	581	used for statistical purposes and should identify the same time-class.
394		582
395	Useful for short background jobs.	583	Useful for short background jobs.
396		584
397	=cut	585	=cut
398		586
399	our @SLOT_QUEUE;	587	our @SLOT_QUEUE;
400	our $SLOT_QUEUE;	588	our $SLOT_QUEUE;
		589	our $SLOT_DECAY = 0.9;
401		590
402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	591	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
403	$SLOT_QUEUE = Coro::async {	592	$SLOT_QUEUE = Coro::async {
404	$Coro::current->desc ("timeslot manager");	593	$Coro::current->desc ("timeslot manager");
405		594
406	my $signal = new Coro::Signal;	595	my $signal = new Coro::Signal;
		596	my $busy;
407		597
408	while () {	598	while () {
409	next_job:	599	next_job:
		600
410	my $avail = cf::till_tick;	601	my $avail = cf::till_tick;
411	if ($avail > 0.01) {	602
412	for (0 .. $#SLOT_QUEUE) {	603	for (0 .. $#SLOT_QUEUE) {
413	if ($SLOT_QUEUE[$_][0] < $avail) {	604	if ($SLOT_QUEUE[$_][0] <= $avail) {
		605	$busy = 0;
414	my $job = splice @SLOT_QUEUE, $_, 1, ();	606	my $job = splice @SLOT_QUEUE, $_, 1, ();
415	$job->[2]->send;	607	$job->[2]->send;
416	Coro::cede;	608	Coro::cede;
417	goto next_job;	609	goto next_job;
418	}	610	} else {
		611	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
419	}	612	}
420	}	613	}
421		614
422	if (@SLOT_QUEUE) {	615	if (@SLOT_QUEUE) {
423	# we do not use wait_for_tick() as it returns immediately when tick is inactive	616	# we do not use wait_for_tick() as it returns immediately when tick is inactive
424	push @cf::WAIT_FOR_TICK, $signal;	617	$WAIT_FOR_TICK->wait;
425	$signal->wait;
426	} else {	618	} else {
		619	$busy = 0;
427	Coro::schedule;	620	Coro::schedule;
428	}	621	}
429	}	622	}
430	};	623	};
431		624
432	sub get_slot($;$$) {	625	sub get_slot($;$$) {
433	return if tick_inhibit || $Coro::current == $Coro::main;	626	return if tick_inhibit || $Coro::current == $Coro::main;
434		627
435	my ($time, $pri, $name) = @_;	628	my ($time, $pri, $name) = @_;
436		629
437	$time = $TICK * .6 if $time > $TICK * .6;	630	$time = clamp $time, 0.01, $TICK * .6;
		631
438	my $sig = new Coro::Signal;	632	my $sig = new Coro::Signal;
439		633
440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	634	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	635	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
442	$SLOT_QUEUE->ready;	636	$SLOT_QUEUE->ready;
…		…
468	=cut	662	=cut
469		663
470	sub sync_job(&) {	664	sub sync_job(&) {
471	my ($job) = @_;	665	my ($job) = @_;
472		666
473	if ($Coro::current == $Coro::main) {	667	if (in_main) {
474	my $time = EV::time;	668	my $time = AE::time;
475		669
476	# this is the main coro, too bad, we have to block	670	# this is the main coro, too bad, we have to block
477	# till the operation succeeds, freezing the server :/	671	# till the operation succeeds, freezing the server :/
478		672
479	LOG llevError, Carp::longmess "sync job";#d#	673	#LOG llevError, Carp::longmess "sync job";#d#
480		674
481	my $freeze_guard = freeze_mainloop;	675	my $freeze_guard = freeze_mainloop;
482		676
483	my $busy = 1;	677	my $busy = 1;
484	my @res;	678	my @res;
485		679
486	(async {	680	(async {
487	$Coro::current->desc ("sync job coro");	681	$Coro::current->desc ("sync job coro");
488	@res = eval { $job->() };	682	@res = eval { $job->() };
489	warn $@ if $@;	683	error $@ if $@;
490	undef $busy;	684	undef $busy;
491	})->prio (Coro::PRIO_MAX);	685	})->prio (Coro::PRIO_MAX);
492		686
493	while ($busy) {	687	while ($busy) {
494	if (Coro::nready) {	688	if (Coro::nready) {
…		…
496	} else {	690	} else {
497	EV::loop EV::LOOP_ONESHOT;	691	EV::loop EV::LOOP_ONESHOT;
498	}	692	}
499	}	693	}
500		694
501	my $time = EV::time - $time;	695	my $time = AE::time - $time;
502		696
503	$TICK_START += $time; # do not account sync jobs to server load	697	$TICK_START += $time; # do not account sync jobs to server load
504		698
505	wantarray ? @res : $res[0]	699	wantarray ? @res : $res[0]
506	} else {	700	} else {
…		…
528	$EXT_CORO{$coro+0} = $coro;	722	$EXT_CORO{$coro+0} = $coro;
529		723
530	$coro	724	$coro
531	}	725	}
532		726
533	=item fork_call { }, $args	727	=item fork_call { }, @args
534		728
535	Executes the given code block with the given arguments in a seperate	729	Executes the given code block with the given arguments in a seperate
536	process, returning the results. Everything must be serialisable with	730	process, returning the results. Everything must be serialisable with
537	Coro::Storable. May, of course, block. Note that the executed sub may	731	Coro::Storable. May, of course, block. Note that the executed sub may
538	never block itself or use any form of event handling.	732	never block itself or use any form of event handling.
539		733
540	=cut	734	=cut
541		735
		736	sub post_fork {
		737	reset_signals;
		738	}
		739
542	sub fork_call(&@) {	740	sub fork_call(&@) {
543	my ($cb, @args) = @_;	741	my ($cb, @args) = @_;
544		742
545	# we seemingly have to make a local copy of the whole thing,	743	# we seemingly have to make a local copy of the whole thing,
546	# otherwise perl prematurely frees the stuff :/	744	# otherwise perl prematurely frees the stuff :/
547	# TODO: investigate and fix (likely this will be rather laborious)	745	# TODO: investigate and fix (likely this will be rather laborious)
548		746
549	my @res = Coro::Util::fork_eval {	747	my @res = Coro::Util::fork_eval {
550	reset_signals;	748	cf::post_fork;
551	&$cb	749	&$cb
552	}, @args;	750	} @args;
553		751
554	wantarray ? @res : $res[-1]	752	wantarray ? @res : $res[-1]
		753	}
		754
		755	sub objinfo {
		756	(
		757	"counter value" => cf::object::object_count,
		758	"objects created" => cf::object::create_count,
		759	"objects destroyed" => cf::object::destroy_count,
		760	"freelist size" => cf::object::free_count,
		761	"allocated objects" => cf::object::objects_size,
		762	"active objects" => cf::object::actives_size,
		763	)
555	}	764	}
556		765
557	=item $coin = coin_from_name $name	766	=item $coin = coin_from_name $name
558		767
559	=cut	768	=cut
…		…
596	within each server.	805	within each server.
597		806
598	=cut	807	=cut
599		808
600	sub db_table($) {	809	sub db_table($) {
		810	cf::error "db_get called from main context"
		811	if $Coro::current == $Coro::main;
		812
601	my ($name) = @_;	813	my ($name) = @_;
602	my $db = BDB::db_create $DB_ENV;	814	my $db = BDB::db_create $DB_ENV;
603		815
604	eval {	816	eval {
605	$db->set_flags (BDB::CHKSUM);	817	$db->set_flags (BDB::CHKSUM);
…		…
615	}	827	}
616		828
617	our $DB;	829	our $DB;
618		830
619	sub db_init {	831	sub db_init {
620	cf::sync_job {
621	$DB ||= db_table "db";	832	$DB ||= db_table "db";
622	};
623	}	833	}
624		834
625	sub db_get($$) {	835	sub db_get($$) {
626	my $key = "$_[0]/$_[1]";	836	my $key = "$_[0]/$_[1]";
627		837
628	cf::sync_job {	838	cf::error "db_get called from main context"
		839	if $Coro::current == $Coro::main;
		840
629	BDB::db_get $DB, undef, $key, my $data;	841	BDB::db_get $DB, undef, $key, my $data;
630		842
631	$! ? ()	843	$! ? ()
632	: $data	844	: $data
633	}
634	}	845	}
635		846
636	sub db_put($$$) {	847	sub db_put($$$) {
637	BDB::dbreq_pri 4;	848	BDB::dbreq_pri 4;
638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	849	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
666		877
667	my @data;	878	my @data;
668	my $md5;	879	my $md5;
669		880
670	for (0 .. $#$src) {	881	for (0 .. $#$src) {
671	0 <= aio_load $src->[$_], $data[$_]	882	$data[$_] = load_file $src->[$_];
672	or Carp::croak "$src->[$_]: $!";
673	}	883	}
674		884
675	# if processing is expensive, check	885	# if processing is expensive, check
676	# checksum first	886	# checksum first
677	if (1) {	887	if (1) {
…		…
690		900
691	return db_get cache => "$id/data";	901	return db_get cache => "$id/data";
692	}	902	}
693	}	903	}
694		904
695	my $t1 = Time::HiRes::time;	905	my $t1 = EV::time;
696	my $data = $process->(\@data);	906	my $data = $process->(\@data);
697	my $t2 = Time::HiRes::time;	907	my $t2 = EV::time;
698		908
699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	909	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
700		910
701	db_put cache => "$id/data", $data;	911	db_put cache => "$id/data", $data;
702	db_put cache => "$id/md5" , $md5;	912	db_put cache => "$id/md5" , $md5;
703	db_put cache => "$id/meta", $meta;	913	db_put cache => "$id/meta", $meta;
704		914
…		…
714		924
715	=cut	925	=cut
716		926
717	sub datalog($@) {	927	sub datalog($@) {
718	my ($type, %kv) = @_;	928	my ($type, %kv) = @_;
719	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	929	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
720	}	930	}
721		931
722	=back	932	=back
723		933
724	=cut	934	=cut
725		935
726	#############################################################################	936	#############################################################################
727		937
728	=head2 ATTACHABLE OBJECTS	938	=head2 ATTACHABLE OBJECTS
729		939
730	Many objects in crossfire are so-called attachable objects. That means you can	940	Many objects in deliantra are so-called attachable objects. That means you can
731	attach callbacks/event handlers (a collection of which is called an "attachment")	941	attach callbacks/event handlers (a collection of which is called an "attachment")
732	to it. All such attachable objects support the following methods.	942	to it. All such attachable objects support the following methods.
733		943
734	In the following description, CLASS can be any of C<global>, C<object>	944	In the following description, CLASS can be any of C<global>, C<object>
735	C<player>, C<client> or C<map> (i.e. the attachable objects in	945	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
785	=item cf::CLASS::attachment $name, ...	995	=item cf::CLASS::attachment $name, ...
786		996
787	Register an attachment by C<$name> through which attachable objects of the	997	Register an attachment by C<$name> through which attachable objects of the
788	given CLASS can refer to this attachment.	998	given CLASS can refer to this attachment.
789		999
790	Some classes such as crossfire maps and objects can specify attachments	1000	Some classes such as deliantra maps and objects can specify attachments
791	that are attached at load/instantiate time, thus the need for a name.	1001	that are attached at load/instantiate time, thus the need for a name.
792		1002
793	These calls expect any number of the following handler/hook descriptions:	1003	These calls expect any number of the following handler/hook descriptions:
794		1004
795	=over 4	1005	=over 4
…		…
919		1129
920	} elsif (exists $cb_id{$type}) {	1130	} elsif (exists $cb_id{$type}) {
921	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1131	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
922		1132
923	} elsif (ref $type) {	1133	} elsif (ref $type) {
924	warn "attaching objects not supported, ignoring.\n";	1134	error "attaching objects not supported, ignoring.\n";
925		1135
926	} else {	1136	} else {
927	shift @arg;	1137	shift @arg;
928	warn "attach argument '$type' not supported, ignoring.\n";	1138	error "attach argument '$type' not supported, ignoring.\n";
929	}	1139	}
930	}	1140	}
931	}	1141	}
932		1142
933	sub _object_attach {	1143	sub _object_attach {
…		…
943	_attach $registry, $klass, @attach;	1153	_attach $registry, $klass, @attach;
944	}	1154	}
945		1155
946	$obj->{$name} = \%arg;	1156	$obj->{$name} = \%arg;
947	} else {	1157	} else {
948	warn "object uses attachment '$name' which is not available, postponing.\n";	1158	info "object uses attachment '$name' which is not available, postponing.\n";
949	}	1159	}
950		1160
951	$obj->{_attachment}{$name} = undef;	1161	$obj->{_attachment}{$name} = undef;
952	}	1162	}
953		1163
…		…
1012		1222
1013	for (@$callbacks) {	1223	for (@$callbacks) {
1014	eval { &{$_->[1]} };	1224	eval { &{$_->[1]} };
1015		1225
1016	if ($@) {	1226	if ($@) {
1017	warn "$@";
1018	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1227	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1019	override;	1228	override;
1020	}	1229	}
1021		1230
1022	return 1 if $override;	1231	return 1 if $override;
1023	}	1232	}
…		…
1086		1295
1087	sub reattach {	1296	sub reattach {
1088	# basically do the same as instantiate, without calling instantiate	1297	# basically do the same as instantiate, without calling instantiate
1089	my ($obj) = @_;	1298	my ($obj) = @_;
1090		1299
		1300	# no longer needed after getting rid of delete_package?
1091	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1301	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1092		1302
1093	my $registry = $obj->registry;	1303	my $registry = $obj->registry;
1094		1304
1095	@$registry = ();	1305	@$registry = ();
1096		1306
…		…
1101	for (@$attach) {	1311	for (@$attach) {
1102	my ($klass, @attach) = @$_;	1312	my ($klass, @attach) = @$_;
1103	_attach $registry, $klass, @attach;	1313	_attach $registry, $klass, @attach;
1104	}	1314	}
1105	} else {	1315	} else {
1106	warn "object uses attachment '$name' that is not available, postponing.\n";	1316	info "object uses attachment '$name' that is not available, postponing.\n";
1107	}	1317	}
1108	}	1318	}
1109	}	1319	}
1110		1320
1111	cf::attachable->attach (	1321	cf::attachable->attach (
…		…
1138	my ($filename, $rdata, $objs) = @_;	1348	my ($filename, $rdata, $objs) = @_;
1139		1349
1140	sync_job {	1350	sync_job {
1141	if (length $$rdata) {	1351	if (length $$rdata) {
1142	utf8::decode (my $decname = $filename);	1352	utf8::decode (my $decname = $filename);
1143	warn sprintf "saving %s (%d,%d)\n",	1353	trace sprintf "saving %s (%d,%d)\n",
1144	$decname, length $$rdata, scalar @$objs;	1354	$decname, length $$rdata, scalar @$objs
		1355	if $VERBOSE_IO;
1145		1356
1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1357	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1147	aio_chmod $fh, SAVE_MODE;	1358	aio_chmod $fh, SAVE_MODE;
1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1359	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1149	aio_fsync $fh if $cf::USE_FSYNC;	1360	if ($cf::USE_FSYNC) {
		1361	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1362	aio_fsync $fh;
		1363	}
1150	aio_close $fh;	1364	aio_close $fh;
1151		1365
1152	if (@$objs) {	1366	if (@$objs) {
1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1367	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1154	aio_chmod $fh, SAVE_MODE;	1368	aio_chmod $fh, SAVE_MODE;
1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1369	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1156	aio_write $fh, 0, (length $data), $data, 0;	1370	aio_write $fh, 0, (length $data), $data, 0;
1157	aio_fsync $fh if $cf::USE_FSYNC;	1371	if ($cf::USE_FSYNC) {
		1372	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1373	aio_fsync $fh;
		1374	}
1158	aio_close $fh;	1375	aio_close $fh;
1159	aio_rename "$filename.pst~", "$filename.pst";	1376	aio_rename "$filename.pst~", "$filename.pst";
1160	}	1377	}
1161	} else {	1378	} else {
1162	aio_unlink "$filename.pst";	1379	aio_unlink "$filename.pst";
1163	}	1380	}
1164		1381
1165	aio_rename "$filename~", $filename;	1382	aio_rename "$filename~", $filename;
		1383
		1384	$filename =~ s%/[^/]+$%%;
		1385	aio_pathsync $filename if $cf::USE_FSYNC;
1166	} else {	1386	} else {
1167	warn "FATAL: $filename~: $!\n";	1387	error "unable to save objects: $filename~: $!\n";
1168	}	1388	}
1169	} else {	1389	} else {
1170	aio_unlink $filename;	1390	aio_unlink $filename;
1171	aio_unlink "$filename.pst";	1391	aio_unlink "$filename.pst";
1172	}	1392	}
…		…
1196	my $st = eval { Coro::Storable::thaw $av };	1416	my $st = eval { Coro::Storable::thaw $av };
1197	$av = $st->{objs};	1417	$av = $st->{objs};
1198	}	1418	}
1199		1419
1200	utf8::decode (my $decname = $filename);	1420	utf8::decode (my $decname = $filename);
1201	warn sprintf "loading %s (%d,%d)\n",	1421	trace sprintf "loading %s (%d,%d)\n",
1202	$decname, length $data, scalar @{$av || []};	1422	$decname, length $data, scalar @{$av || []}
		1423	if $VERBOSE_IO;
1203		1424
1204	($data, $av)	1425	($data, $av)
1205	}	1426	}
1206		1427
1207	=head2 COMMAND CALLBACKS	1428	=head2 COMMAND CALLBACKS
…		…
1211	=cut	1432	=cut
1212		1433
1213	#############################################################################	1434	#############################################################################
1214	# command handling &c	1435	# command handling &c
1215		1436
1216	=item cf::register_command $name => \&callback($ob,$args);	1437	=item cf::register_command $name => \&callback($ob,$args)
1217		1438
1218	Register a callback for execution when the client sends the user command	1439	Register a callback for execution when the client sends the user command
1219	$name.	1440	$name.
1220		1441
1221	=cut	1442	=cut
…		…
1227	#warn "registering command '$name/$time' to '$caller'";	1448	#warn "registering command '$name/$time' to '$caller'";
1228		1449
1229	push @{ $COMMAND{$name} }, [$caller, $cb];	1450	push @{ $COMMAND{$name} }, [$caller, $cb];
1230	}	1451	}
1231		1452
1232	=item cf::register_extcmd $name => \&callback($pl,$packet);	1453	=item cf::register_extcmd $name => \&callback($pl,@args)
1233		1454
1234	Register a callback for execution when the client sends an (synchronous)	1455	Register a callback for execution when the client sends an (synchronous)
1235	extcmd packet. Ext commands will be processed in the order they are	1456	extcmd packet. Ext commands will be processed in the order they are
1236	received by the server, like other user commands. The first argument is	1457	received by the server, like other user commands. The first argument is
1237	the logged-in player. Ext commands can only be processed after a player	1458	the logged-in player. Ext commands can only be processed after a player
1238	has logged in successfully.	1459	has logged in successfully.
1239		1460
1240	If the callback returns something, it is sent back as if reply was being	1461	The values will be sent back to the client.
1241	called.
1242		1462
		1463	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1464
		1465	Same as C<cf::register_extcmd>, but instead of returning values, the
		1466	callback needs to clal the C<$reply> function.
		1467
1243	=item cf::register_exticmd $name => \&callback($ns,$packet);	1468	=item cf::register_exticmd $name => \&callback($ns,@args)
1244		1469
1245	Register a callback for execution when the client sends an (asynchronous)	1470	Register a callback for execution when the client sends an (asynchronous)
1246	exticmd packet. Exti commands are processed by the server as soon as they	1471	exticmd packet. Exti commands are processed by the server as soon as they
1247	are received, i.e. out of order w.r.t. other commands. The first argument	1472	are received, i.e. out of order w.r.t. other commands. The first argument
1248	is a client socket. Exti commands can be received anytime, even before	1473	is a client socket. Exti commands can be received anytime, even before
1249	log-in.	1474	log-in.
1250		1475
1251	If the callback returns something, it is sent back as if reply was being	1476	The values will be sent back to the client.
1252	called.
1253		1477
1254	=cut	1478	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1255		1479
		1480	Same as C<cf::register_extcmd>, but instead of returning values, the
		1481	callback needs to clal the C<$reply> function.
		1482
		1483	=cut
		1484
1256	sub register_extcmd {	1485	sub register_extcmd($$) {
1257	my ($name, $cb) = @_;	1486	my ($name, $cb) = @_;
1258		1487
1259	$EXTCMD{$name} = $cb;	1488	$EXTCMD{$name} = $cb;
1260	}	1489	}
1261		1490
1262	sub register_exticmd {	1491	sub register_async_extcmd($$) {
1263	my ($name, $cb) = @_;	1492	my ($name, $cb) = @_;
1264		1493
		1494	$EXTACMD{$name} = $cb;
		1495	}
		1496
		1497	sub register_exticmd($$) {
		1498	my ($name, $cb) = @_;
		1499
1265	$EXTICMD{$name} = $cb;	1500	$EXTICMD{$name} = $cb;
1266	}	1501	}
1267		1502
		1503	sub register_async_exticmd($$) {
		1504	my ($name, $cb) = @_;
		1505
		1506	$EXTIACMD{$name} = $cb;
		1507	}
		1508
		1509	use File::Glob ();
		1510
1268	cf::player->attach (	1511	cf::player->attach (
1269	on_command => sub {	1512	on_unknown_command => sub {
1270	my ($pl, $name, $params) = @_;	1513	my ($pl, $name, $params) = @_;
1271		1514
1272	my $cb = $COMMAND{$name}	1515	my $cb = $COMMAND{$name}
1273	or return;	1516	or return;
1274		1517
…		…
1282	my ($pl, $buf) = @_;	1525	my ($pl, $buf) = @_;
1283		1526
1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1527	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1285		1528
1286	if (ref $msg) {	1529	if (ref $msg) {
1287	my ($type, $reply, @payload) =	1530	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1288	"ARRAY" eq ref $msg
1289	? @$msg
1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1291		1531
1292	my @reply;
1293
1294	if (my $cb = $EXTCMD{$type}) {	1532	if (my $cb = $EXTACMD{$type}) {
		1533	$cb->(
		1534	$pl,
		1535	sub {
		1536	$pl->ext_msg ("reply-$reply", @_)
		1537	if $reply;
		1538	},
		1539	@payload
		1540	);
		1541	} else {
		1542	my @reply;
		1543
		1544	if (my $cb = $EXTCMD{$type}) {
1295	@reply = $cb->($pl, @payload);	1545	@reply = $cb->($pl, @payload);
		1546	}
		1547
		1548	$pl->ext_msg ("reply-$reply", @reply)
		1549	if $reply;
1296	}	1550	}
1297		1551
1298	$pl->ext_reply ($reply, @reply)
1299	if $reply;
1300
1301	} else {	1552	} else {
1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1553	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1303	}	1554	}
1304		1555
1305	cf::override;	1556	cf::override;
1306	},	1557	},
1307	);	1558	);
1308		1559
		1560	# "readahead" all extensions
		1561	sub cache_extensions {
		1562	my $grp = IO::AIO::aio_group;
		1563
		1564	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1565	for (grep /\.ext$/, @{$_[0]}) {
		1566	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1567	}
		1568	};
		1569
		1570	$grp
		1571	}
		1572
		1573	sub _ext_cfg_reg($$$$) {
		1574	my ($rvar, $varname, $cfgname, $default) = @_;
		1575
		1576	$cfgname = lc $varname
		1577	unless length $cfgname;
		1578
		1579	$EXT_CFG{$cfgname} = [$rvar, $default];
		1580
		1581	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1582	}
		1583
1309	sub load_extensions {	1584	sub load_extensions {
		1585	info "loading extensions...";
		1586
		1587	%EXT_CFG = ();
		1588
1310	cf::sync_job {	1589	cf::sync_job {
1311	my %todo;	1590	my %todo;
1312		1591
1313	for my $path (<$LIBDIR/*.ext>) {	1592	for my $path (<$LIBDIR/*.ext>) {
1314	next unless -r $path;	1593	next unless -r $path;
…		…
1332		1611
1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1612	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1613	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335		1614
1336	$ext{source} =	1615	$ext{source} =
1337	"package $pkg; use strict; use utf8;\n"	1616	"package $pkg; use common::sense;\n"
1338	. "#line 1 \"$path\"\n{\n"	1617	. "#line 1 \"$path\"\n{\n"
1339	. $source	1618	. $source
1340	. "\n};\n1";	1619	. "\n};\n1";
1341		1620
1342	$todo{$base} = \%ext;	1621	$todo{$base} = \%ext;
1343	}	1622	}
1344		1623
		1624	my $pass = 0;
1345	my %done;	1625	my %done;
1346	while (%todo) {	1626	while (%todo) {
1347	my $progress;	1627	my $progress;
1348		1628
		1629	++$pass;
		1630
		1631	ext:
1349	while (my ($k, $v) = each %todo) {	1632	while (my ($k, $v) = each %todo) {
1350	for (split /,\s*/, $v->{meta}{depends}) {	1633	for (split /,\s*/, $v->{meta}{depends}) {
1351	goto skip	1634	next ext
1352	unless exists $done{$_};	1635	unless exists $done{$_};
1353	}	1636	}
1354		1637
1355	warn "... loading '$k' into '$v->{pkg}'\n";	1638	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1356		1639
1357	unless (eval $v->{source}) {	1640	my $source = $v->{source};
		1641
		1642	# support "CONF varname :confname = default" pseudo-statements
		1643	$source =~ s{
		1644	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1645	}{
		1646	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1647	}gmxe;
		1648
		1649	my $active = eval $source;
		1650
		1651	if (length $@) {
1358	my $msg = $@ ? "$v->{path}: $@\n"	1652	error "$v->{path}: $@\n";
1359	: "$v->{base}: extension inactive.\n";
1360		1653
1361	if (exists $v->{meta}{mandatory}) {
1362	warn $msg;
1363	cf::cleanup "mandatory extension failed to load, exiting.";	1654	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1364	}	1655	if exists $v->{meta}{mandatory};
1365		1656
1366	warn $msg;	1657	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1658	delete $todo{$k};
		1659	} else {
		1660	$done{$k} = delete $todo{$k};
		1661	push @EXTS, $v->{pkg};
		1662	$progress = 1;
		1663
		1664	info "$v->{base}: extension inactive.\n"
		1665	unless $active;
1367	}	1666	}
1368
1369	$done{$k} = delete $todo{$k};
1370	push @EXTS, $v->{pkg};
1371	$progress = 1;
1372	}	1667	}
1373		1668
1374	skip:	1669	unless ($progress) {
1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1670	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1376	unless $progress;	1671
		1672	while (my ($k, $v) = each %todo) {
		1673	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1674	if exists $v->{meta}{mandatory};
		1675	}
		1676
		1677	last;
		1678	}
1377	}	1679	}
1378	};	1680	};
1379	}	1681	}
1380		1682
1381	#############################################################################	1683	#############################################################################
1382		1684
1383	=back	1685	=back
1384		1686
1385	=head2 CORE EXTENSIONS	1687	=head2 CORE EXTENSIONS
1386		1688
1387	Functions and methods that extend core crossfire objects.	1689	Functions and methods that extend core deliantra objects.
1388		1690
1389	=cut	1691	=cut
1390		1692
1391	package cf::player;	1693	package cf::player;
1392		1694
…		…
1435		1737
1436	sub exists($) {	1738	sub exists($) {
1437	my ($login) = @_;	1739	my ($login) = @_;
1438		1740
1439	$cf::PLAYER{$login}	1741	$cf::PLAYER{$login}
1440	or cf::sync_job { !aio_stat path $login }	1742	or !aio_stat path $login
1441	}	1743	}
1442		1744
1443	sub find($) {	1745	sub find($) {
1444	return $cf::PLAYER{$_[0]} || do {	1746	return $cf::PLAYER{$_[0]} || do {
1445	my $login = $_[0];	1747	my $login = $_[0];
…		…
1465	$cf::PLAYER{$login} = $pl	1767	$cf::PLAYER{$login} = $pl
1466	}	1768	}
1467	}	1769	}
1468	}	1770	}
1469		1771
		1772	cf::player->attach (
		1773	on_load => sub {
		1774	my ($pl, $path) = @_;
		1775
		1776	# restore slots saved in save, below
		1777	my $slots = delete $pl->{_slots};
		1778
		1779	$pl->ob->current_weapon ($slots->[0]);
		1780	$pl->combat_ob ($slots->[1]);
		1781	$pl->ranged_ob ($slots->[2]);
		1782	},
		1783	);
		1784
1470	sub save($) {	1785	sub save($) {
1471	my ($pl) = @_;	1786	my ($pl) = @_;
1472		1787
1473	return if $pl->{deny_save};	1788	return if $pl->{deny_save};
1474		1789
…		…
1479		1794
1480	aio_mkdir playerdir $pl, 0770;	1795	aio_mkdir playerdir $pl, 0770;
1481	$pl->{last_save} = $cf::RUNTIME;	1796	$pl->{last_save} = $cf::RUNTIME;
1482		1797
1483	cf::get_slot 0.01;	1798	cf::get_slot 0.01;
		1799
		1800	# save slots, to be restored later
		1801	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1484		1802
1485	$pl->save_pl ($path);	1803	$pl->save_pl ($path);
1486	cf::cede_to_tick;	1804	cf::cede_to_tick;
1487	}	1805	}
1488		1806
…		…
1520	my ($pl) = @_;	1838	my ($pl) = @_;
1521		1839
1522	my $name = $pl->ob->name;	1840	my $name = $pl->ob->name;
1523		1841
1524	$pl->{deny_save} = 1;	1842	$pl->{deny_save} = 1;
1525	$pl->password ("*"); # this should lock out the player until we nuked the dir	1843	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1526		1844
1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1845	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1528	$pl->deactivate;	1846	$pl->deactivate;
		1847
1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1848	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530	$pl->ob->check_score;
1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1849	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1850	ext::highscore::check ($pl->ob);
		1851
1532	$pl->ns->destroy if $pl->ns;	1852	$pl->ns->destroy if $pl->ns;
1533		1853
1534	my $path = playerdir $pl;	1854	my $path = playerdir $pl;
1535	my $temp = "$path~$cf::RUNTIME~deleting~";	1855	my $temp = "$path~$cf::RUNTIME~deleting~";
1536	aio_rename $path, $temp;	1856	aio_rename $path, $temp;
…		…
1590	\@logins	1910	\@logins
1591	}	1911	}
1592		1912
1593	=item $player->maps	1913	=item $player->maps
1594		1914
		1915	=item cf::player::maps $login
		1916
1595	Returns an arrayref of map paths that are private for this	1917	Returns an arrayref of map paths that are private for this
1596	player. May block.	1918	player. May block.
1597		1919
1598	=cut	1920	=cut
1599		1921
…		…
1616	}	1938	}
1617		1939
1618	\@paths	1940	\@paths
1619	}	1941	}
1620		1942
1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1943	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1622		1944
1623	Expand crossfire pod fragments into protocol xml.	1945	Expand deliantra pod fragments into protocol xml.
1624
1625	=cut
1626
1627	use re 'eval';
1628
1629	my $group;
1630	my $interior; $interior = qr{
1631	# match a pod interior sequence sans C<< >>
1632	(?:
1633	\ (.*?)\ (?{ $group = $^N })
1634	| < (??{$interior}) >
1635	)
1636	}x;
1637
1638	sub expand_cfpod {
1639	my ($self, $pod) = @_;
1640
1641	my $xml;
1642
1643	while () {
1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645	$group = $1;
1646
1647	$group =~ s/&/&amp;/g;
1648	$group =~ s/</&lt;/g;
1649
1650	$xml .= $group;
1651	} elsif ($pod =~ m%\G
1652	([BCGHITU])
1653	<
1654	(?:
1655	([^<>]*) (?{ $group = $^N })
1656	| < $interior >
1657	)
1658	>
1659	%gcsx
1660	) {
1661	my ($code, $data) = ($1, $group);
1662
1663	if ($code eq "B") {
1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665	} elsif ($code eq "I") {
1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667	} elsif ($code eq "U") {
1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669	} elsif ($code eq "C") {
1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671	} elsif ($code eq "T") {
1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673	} elsif ($code eq "G") {
1674	my ($male, $female) = split /\|/, $data;
1675	$data = $self->gender ? $female : $male;
1676	$xml .= expand_cfpod ($self, $data);
1677	} elsif ($code eq "H") {
1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680	"")
1681	[$self->{hintmode}];
1682	} else {
1683	$xml .= "error processing '$code($data)' directive";
1684	}
1685	} else {
1686	if ($pod =~ /\G(.+)/) {
1687	warn "parse error while expanding $pod (at $1)";
1688	}
1689	last;
1690	}
1691	}
1692
1693	for ($xml) {
1694	# create single paragraphs (very hackish)
1695	s/(?<=\S)\n(?=\w)/ /g;
1696
1697	# compress some whitespace
1698	s/\s+\n/\n/g; # ws line-ends
1699	s/\n\n+/\n/g; # double lines
1700	s/^\n+//; # beginning lines
1701	s/\n+$//; # ending lines
1702	}
1703
1704	$xml
1705	}
1706
1707	no re 'eval';
1708
1709	sub hintmode {
1710	$_[0]{hintmode} = $_[1] if @_ > 1;
1711	$_[0]{hintmode}
1712	}
1713
1714	=item $player->ext_reply ($msgid, @msg)
1715
1716	Sends an ext reply to the player.
1717
1718	=cut
1719
1720	sub ext_reply($$@) {
1721	my ($self, $id, @msg) = @_;
1722
1723	$self->ns->ext_reply ($id, @msg)
1724	}
1725		1946
1726	=item $player->ext_msg ($type, @msg)	1947	=item $player->ext_msg ($type, @msg)
1727		1948
1728	Sends an ext event to the client.	1949	Sends an ext event to the client.
1729		1950
…		…
1749		1970
1750	=cut	1971	=cut
1751		1972
1752	sub find_by_path($) {	1973	sub find_by_path($) {
1753	my ($path) = @_;	1974	my ($path) = @_;
		1975
		1976	$path =~ s/^~[^\/]*//; # skip ~login
1754		1977
1755	my ($match, $specificity);	1978	my ($match, $specificity);
1756		1979
1757	for my $region (list) {	1980	for my $region (list) {
1758	if ($region->{match} && $path =~ $region->{match}) {	1981	if ($region->{match} && $path =~ $region->{match}) {
…		…
1787	sub generate_random_map {	2010	sub generate_random_map {
1788	my ($self, $rmp) = @_;	2011	my ($self, $rmp) = @_;
1789		2012
1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2013	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1791		2014
1792	# mit "rum" bekleckern, nicht
1793	$self->_create_random_map (	2015	$self->_create_random_map ($rmp);
1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1797	$rmp->{exit_on_final_map},
1798	$rmp->{xsize}, $rmp->{ysize},
1799	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1800	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1801	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1802	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1803	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1804	(cf::region::find $rmp->{region}), $rmp->{custom}
1805	)
1806	}	2016	}
1807		2017
1808	=item cf::map->register ($regex, $prio)	2018	=item cf::map->register ($regex, $prio)
1809		2019
1810	Register a handler for the map path matching the given regex at the	2020	Register a handler for the map path matching the given regex at the
…		…
1815		2025
1816	sub register {	2026	sub register {
1817	my (undef, $regex, $prio) = @_;	2027	my (undef, $regex, $prio) = @_;
1818	my $pkg = caller;	2028	my $pkg = caller;
1819		2029
1820	no strict;
1821	push @{"$pkg\::ISA"}, __PACKAGE__;	2030	push @{"$pkg\::ISA"}, __PACKAGE__;
1822		2031
1823	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2032	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1824	}	2033	}
1825		2034
1826	# also paths starting with '/'	2035	# also paths starting with '/'
1827	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2036	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1828		2037
1829	sub thawer_merge {	2038	sub thawer_merge {
1830	my ($self, $merge) = @_;	2039	my ($self, $merge) = @_;
1831		2040
1832	# we have to keep some variables in memory intact	2041	# we have to keep some variables in memory intact
…		…
1837	}	2046	}
1838		2047
1839	sub normalise {	2048	sub normalise {
1840	my ($path, $base) = @_;	2049	my ($path, $base) = @_;
1841		2050
1842	$path = "$path"; # make sure its a string	2051	$path = "$path"; # make sure it's a string
1843		2052
1844	$path =~ s/\.map$//;	2053	$path =~ s/\.map$//;
1845		2054
1846	# map plan:	2055	# map plan:
1847	#	2056	#
…		…
1862	$base =~ s{[^/]+/?$}{};	2071	$base =~ s{[^/]+/?$}{};
1863	$path = "$base/$path";	2072	$path = "$base/$path";
1864	}	2073	}
1865		2074
1866	for ($path) {	2075	for ($path) {
1867	redo if s{//}{/};
1868	redo if s{/\.?/}{/};	2076	redo if s{/\.?/}{/};
1869	redo if s{/[^/]+/\.\./}{/};	2077	redo if s{/[^/]+/\.\./}{/};
1870	}	2078	}
1871		2079
1872	$path	2080	$path
…		…
1886	$self->init; # pass $1 etc.	2094	$self->init; # pass $1 etc.
1887	return $self;	2095	return $self;
1888	}	2096	}
1889	}	2097	}
1890		2098
1891	Carp::cluck "unable to resolve path '$path' (base '$base').";	2099	Carp::cluck "unable to resolve path '$path' (base '$base')";
1892	()	2100	()
1893	}	2101	}
1894		2102
		2103	# may re-bless or do other evil things
1895	sub init {	2104	sub init {
1896	my ($self) = @_;	2105	my ($self) = @_;
1897		2106
1898	$self	2107	$self
1899	}	2108	}
…		…
1930		2139
1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2140	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1932	"$UNIQUEDIR/$path"	2141	"$UNIQUEDIR/$path"
1933	}	2142	}
1934		2143
1935	# and all this just because we cannot iterate over
1936	# all maps in C++...
1937	sub change_all_map_light {
1938	my ($change) = @_;
1939
1940	$_->change_map_light ($change)
1941	for grep $_->outdoor, values %cf::MAP;
1942	}
1943
1944	sub decay_objects {	2144	sub decay_objects {
1945	my ($self) = @_;	2145	my ($self) = @_;
1946		2146
1947	return if $self->{deny_reset};	2147	return if $self->{deny_reset};
1948		2148
…		…
1973	$self->{load_path} = $path;	2173	$self->{load_path} = $path;
1974		2174
1975	1	2175	1
1976	}	2176	}
1977		2177
		2178	# used to laod the header of an original map
1978	sub load_header_orig {	2179	sub load_header_orig {
1979	my ($self) = @_;	2180	my ($self) = @_;
1980		2181
1981	$self->load_header_from ($self->load_path)	2182	$self->load_header_from ($self->load_path)
1982	}	2183	}
1983		2184
		2185	# used to laod the header of an instantiated map
1984	sub load_header_temp {	2186	sub load_header_temp {
1985	my ($self) = @_;	2187	my ($self) = @_;
1986		2188
1987	$self->load_header_from ($self->save_path)	2189	$self->load_header_from ($self->save_path)
1988	}	2190	}
1989		2191
		2192	# called after loading the header from an instantiated map
1990	sub prepare_temp {	2193	sub prepare_temp {
1991	my ($self) = @_;	2194	my ($self) = @_;
1992		2195
1993	$self->last_access ((delete $self->{last_access})	2196	$self->last_access ((delete $self->{last_access})
1994	|| $cf::RUNTIME); #d#	2197	|| $cf::RUNTIME); #d#
1995	# safety	2198	# safety
1996	$self->{instantiate_time} = $cf::RUNTIME	2199	$self->{instantiate_time} = $cf::RUNTIME
1997	if $self->{instantiate_time} > $cf::RUNTIME;	2200	if $self->{instantiate_time} > $cf::RUNTIME;
1998	}	2201	}
1999		2202
		2203	# called after loading the header from an original map
2000	sub prepare_orig {	2204	sub prepare_orig {
2001	my ($self) = @_;	2205	my ($self) = @_;
2002		2206
2003	$self->{load_original} = 1;	2207	$self->{load_original} = 1;
2004	$self->{instantiate_time} = $cf::RUNTIME;	2208	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2028		2232
2029	sub find;	2233	sub find;
2030	sub find {	2234	sub find {
2031	my ($path, $origin) = @_;	2235	my ($path, $origin) = @_;
2032		2236
		2237	cf::cede_to_tick;
		2238
2033	$path = normalise $path, $origin && $origin->path;	2239	$path = normalise $path, $origin;
2034		2240
2035	cf::lock_wait "map_data:$path";#d#remove	2241	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2036	cf::lock_wait "map_find:$path";	2242	my $guard2 = cf::lock_acquire "map_find:$path";
2037		2243
2038	$cf::MAP{$path} || do {	2244	$cf::MAP{$path} || do {
2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2040	my $guard2 = cf::lock_acquire "map_find:$path";
2041
2042	my $map = new_from_path cf::map $path	2245	my $map = new_from_path cf::map $path
2043	or return;	2246	or return;
2044		2247
2045	$map->{last_save} = $cf::RUNTIME;	2248	$map->{last_save} = $cf::RUNTIME;
2046		2249
…		…
2058		2261
2059	$cf::MAP{$path} = $map	2262	$cf::MAP{$path} = $map
2060	}	2263	}
2061	}	2264	}
2062		2265
2063	sub pre_load { }	2266	sub pre_load { }
2064	sub post_load { }	2267	#sub post_load { } # XS
2065		2268
2066	sub load {	2269	sub load {
2067	my ($self) = @_;	2270	my ($self) = @_;
2068		2271
2069	local $self->{deny_reset} = 1; # loading can take a long time	2272	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2072		2275
2073	{	2276	{
2074	my $guard = cf::lock_acquire "map_data:$path";	2277	my $guard = cf::lock_acquire "map_data:$path";
2075		2278
2076	return unless $self->valid;	2279	return unless $self->valid;
2077	return unless $self->in_memory == cf::MAP_SWAPPED;	2280	return unless $self->state == cf::MAP_SWAPPED;
2078
2079	$self->in_memory (cf::MAP_LOADING);
2080		2281
2081	$self->alloc;	2282	$self->alloc;
2082		2283
2083	$self->pre_load;	2284	$self->pre_load;
2084	cf::cede_to_tick;	2285	cf::cede_to_tick;
2085		2286
		2287	if (exists $self->{load_path}) {
2086	my $f = new_from_file cf::object::thawer $self->{load_path};	2288	my $f = new_from_file cf::object::thawer $self->{load_path};
2087	$f->skip_block;	2289	$f->skip_block;
2088	$self->_load_objects ($f)	2290	$self->_load_objects ($f)
2089	or return;	2291	or return;
2090		2292
2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2293	$self->post_load_original
2092	if delete $self->{load_original};	2294	if delete $self->{load_original};
2093		2295
2094	if (my $uniq = $self->uniq_path) {	2296	if (my $uniq = $self->uniq_path) {
2095	utf8::encode $uniq;	2297	utf8::encode $uniq;
2096	unless (aio_stat $uniq) {	2298	unless (aio_stat $uniq) {
2097	if (my $f = new_from_file cf::object::thawer $uniq) {	2299	if (my $f = new_from_file cf::object::thawer $uniq) {
2098	$self->clear_unique_items;	2300	$self->clear_unique_items;
2099	$self->_load_objects ($f);	2301	$self->_load_objects ($f);
2100	$f->resolve_delayed_derefs;	2302	$f->resolve_delayed_derefs;
		2303	}
2101	}	2304	}
2102	}	2305	}
2103	}
2104		2306
2105	$f->resolve_delayed_derefs;	2307	$f->resolve_delayed_derefs;
		2308	} else {
		2309	$self->post_load_original
		2310	if delete $self->{load_original};
		2311	}
		2312
		2313	$self->state (cf::MAP_INACTIVE);
2106		2314
2107	cf::cede_to_tick;	2315	cf::cede_to_tick;
2108	# now do the right thing for maps	2316	# now do the right thing for maps
2109	$self->link_multipart_objects;	2317	$self->link_multipart_objects;
2110	$self->difficulty ($self->estimate_difficulty)	2318	$self->difficulty ($self->estimate_difficulty)
…		…
2114	unless ($self->{deny_activate}) {	2322	unless ($self->{deny_activate}) {
2115	$self->decay_objects;	2323	$self->decay_objects;
2116	$self->fix_auto_apply;	2324	$self->fix_auto_apply;
2117	$self->update_buttons;	2325	$self->update_buttons;
2118	cf::cede_to_tick;	2326	cf::cede_to_tick;
2119	$self->set_darkness_map;	2327	#$self->activate; # no longer activate maps automatically
2120	cf::cede_to_tick;
2121	$self->activate;
2122	}	2328	}
2123		2329
2124	$self->{last_save} = $cf::RUNTIME;	2330	$self->{last_save} = $cf::RUNTIME;
2125	$self->last_access ($cf::RUNTIME);	2331	$self->last_access ($cf::RUNTIME);
2126
2127	$self->in_memory (cf::MAP_ACTIVE);
2128	}	2332	}
2129		2333
2130	$self->post_load;	2334	$self->post_load;
2131	}
2132		2335
		2336	1
		2337	}
		2338
		2339	# customize the map for a given player, i.e.
		2340	# return the _real_ map. used by e.g. per-player
		2341	# maps to change the path to ~playername/mappath
2133	sub customise_for {	2342	sub customise_for {
2134	my ($self, $ob) = @_;	2343	my ($self, $ob) = @_;
2135		2344
2136	return find "~" . $ob->name . "/" . $self->{path}	2345	return find "~" . $ob->name . "/" . $self->{path}
2137	if $self->per_player;	2346	if $self->per_player;
…		…
2140	# if $self->per_party;	2349	# if $self->per_party;
2141		2350
2142	$self	2351	$self
2143	}	2352	}
2144		2353
2145	# find and load all maps in the 3x3 area around a map
2146	sub load_neighbours {
2147	my ($map) = @_;
2148
2149	my @neigh; # diagonal neighbours
2150
2151	for (0 .. 3) {
2152	my $neigh = $map->tile_path ($_)
2153	or next;
2154	$neigh = find $neigh, $map
2155	or next;
2156	$neigh->load;
2157
2158	push @neigh,
2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2161	}
2162
2163	for (grep defined $_->[0], @neigh) {
2164	my ($path, $origin) = @$_;
2165	my $neigh = find $path, $origin
2166	or next;
2167	$neigh->load;
2168	}
2169	}
2170
2171	sub find_sync {	2354	sub find_sync {
2172	my ($path, $origin) = @_;	2355	my ($path, $origin) = @_;
2173		2356
2174	cf::sync_job { find $path, $origin }	2357	# it's a bug to call this from the main context
		2358	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2359	if $Coro::current == $Coro::main;
		2360
		2361	find $path, $origin
2175	}	2362	}
2176		2363
2177	sub do_load_sync {	2364	sub do_load_sync {
2178	my ($map) = @_;	2365	my ($map) = @_;
2179		2366
		2367	# it's a bug to call this from the main context
2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2368	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2181	if $Coro::current == $Coro::main;	2369	if $Coro::current == $Coro::main;
2182		2370
2183	cf::sync_job { $map->load };	2371	$map->load;
2184	}	2372	}
2185		2373
2186	our %MAP_PREFETCH;	2374	our %MAP_PREFETCH;
2187	our $MAP_PREFETCHER = undef;	2375	our $MAP_PREFETCHER = undef;
2188		2376
2189	sub find_async {	2377	sub find_async {
2190	my ($path, $origin, $load) = @_;	2378	my ($path, $origin, $load) = @_;
2191		2379
2192	$path = normalise $path, $origin && $origin->{path};	2380	$path = normalise $path, $origin;
2193		2381
2194	if (my $map = $cf::MAP{$path}) {	2382	if (my $map = $cf::MAP{$path}) {
2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2383	return $map if !$load || $map->linkable;
2196	}	2384	}
2197		2385
2198	$MAP_PREFETCH{$path} |= $load;	2386	$MAP_PREFETCH{$path} |= $load;
2199		2387
2200	$MAP_PREFETCHER ||= cf::async {	2388	$MAP_PREFETCHER ||= cf::async {
…		…
2214	$MAP_PREFETCHER->prio (6);	2402	$MAP_PREFETCHER->prio (6);
2215		2403
2216	()	2404	()
2217	}	2405	}
2218		2406
		2407	# common code, used by both ->save and ->swapout
2219	sub save {	2408	sub _save {
2220	my ($self) = @_;	2409	my ($self) = @_;
2221
2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
2223		2410
2224	$self->{last_save} = $cf::RUNTIME;	2411	$self->{last_save} = $cf::RUNTIME;
2225		2412
2226	return unless $self->dirty;	2413	return unless $self->dirty;
2227		2414
…		…
2247	} else {	2434	} else {
2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2435	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2249	}	2436	}
2250	}	2437	}
2251		2438
		2439	sub save {
		2440	my ($self) = @_;
		2441
		2442	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2443
		2444	$self->_save;
		2445	}
		2446
2252	sub swap_out {	2447	sub swap_out {
2253	my ($self) = @_;	2448	my ($self) = @_;
2254		2449
2255	# save first because save cedes
2256	$self->save;
2257
2258	my $lock = cf::lock_acquire "map_data:$self->{path}";	2450	my $lock = cf::lock_acquire "map_data:$self->{path}";
2259		2451
		2452	return if !$self->linkable;
		2453	return if $self->{deny_save};
2260	return if $self->players;	2454	return if $self->players;
2261	return if $self->in_memory != cf::MAP_ACTIVE;	2455
		2456	# first deactivate the map and "unlink" it from the core
		2457	$self->deactivate;
		2458	$_->clear_links_to ($self) for values %cf::MAP;
		2459	$self->state (cf::MAP_SWAPPED);
		2460
		2461	# then atomically save
		2462	$self->_save;
		2463
		2464	# then free the map
		2465	$self->clear;
		2466	}
		2467
		2468	sub reset_at {
		2469	my ($self) = @_;
		2470
		2471	# TODO: safety, remove and allow resettable per-player maps
2262	return if $self->{deny_save};	2472	return 1e99 if $self->{deny_reset};
2263		2473
		2474	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2475	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2476
		2477	$time + $to
		2478	}
		2479
		2480	sub should_reset {
		2481	my ($self) = @_;
		2482
		2483	$self->reset_at <= $cf::RUNTIME
		2484	}
		2485
		2486	sub reset {
		2487	my ($self) = @_;
		2488
		2489	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2490
		2491	return if $self->players;
		2492
		2493	cf::trace "resetting map ", $self->path, "\n";
		2494
2264	$self->in_memory (cf::MAP_SWAPPED);	2495	$self->state (cf::MAP_SWAPPED);
		2496
		2497	# need to save uniques path
		2498	unless ($self->{deny_save}) {
		2499	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2500
		2501	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2502	if $uniq;
		2503	}
		2504
		2505	delete $cf::MAP{$self->path};
2265		2506
2266	$self->deactivate;	2507	$self->deactivate;
2267	$_->clear_links_to ($self) for values %cf::MAP;	2508	$_->clear_links_to ($self) for values %cf::MAP;
2268	$self->clear;	2509	$self->clear;
2269	}
2270
2271	sub reset_at {
2272	my ($self) = @_;
2273
2274	# TODO: safety, remove and allow resettable per-player maps
2275	return 1e99 if $self->{deny_reset};
2276
2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2279
2280	$time + $to
2281	}
2282
2283	sub should_reset {
2284	my ($self) = @_;
2285
2286	$self->reset_at <= $cf::RUNTIME
2287	}
2288
2289	sub reset {
2290	my ($self) = @_;
2291
2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
2293
2294	return if $self->players;
2295
2296	warn "resetting map ", $self->path;
2297
2298	$self->in_memory (cf::MAP_SWAPPED);
2299
2300	# need to save uniques path
2301	unless ($self->{deny_save}) {
2302	my $uniq = $self->uniq_path; utf8::encode $uniq;
2303
2304	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2305	if $uniq;
2306	}
2307
2308	delete $cf::MAP{$self->path};
2309
2310	$self->deactivate;
2311	$_->clear_links_to ($self) for values %cf::MAP;
2312	$self->clear;
2313		2510
2314	$self->unlink_save;	2511	$self->unlink_save;
2315	$self->destroy;	2512	$self->destroy;
2316	}	2513	}
2317		2514
…		…
2325		2522
2326	delete $cf::MAP{$self->path};	2523	delete $cf::MAP{$self->path};
2327		2524
2328	$self->unlink_save;	2525	$self->unlink_save;
2329		2526
2330	bless $self, "cf::map";	2527	bless $self, "cf::map::wrap";
2331	delete $self->{deny_reset};	2528	delete $self->{deny_reset};
2332	$self->{deny_save} = 1;	2529	$self->{deny_save} = 1;
2333	$self->reset_timeout (1);	2530	$self->reset_timeout (1);
2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2531	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2335		2532
…		…
2392	: normalise $_	2589	: normalise $_
2393	} @{ aio_readdir $UNIQUEDIR or [] }	2590	} @{ aio_readdir $UNIQUEDIR or [] }
2394	]	2591	]
2395	}	2592	}
2396		2593
		2594	=item cf::map::static_maps
		2595
		2596	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2597	file in the shared directory excluding F</styles> and F</editor>). May
		2598	block.
		2599
		2600	=cut
		2601
		2602	sub static_maps() {
		2603	my @dirs = "";
		2604	my @maps;
		2605
		2606	while (@dirs) {
		2607	my $dir = shift @dirs;
		2608
		2609	next if $dir eq "/styles" || $dir eq "/editor";
		2610
		2611	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2612	or return;
		2613
		2614	for (@$files) {
		2615	s/\.map$// or next;
		2616	utf8::decode $_;
		2617	push @maps, "$dir/$_";
		2618	}
		2619
		2620	push @dirs, map "$dir/$_", @$dirs;
		2621	}
		2622
		2623	\@maps
		2624	}
		2625
2397	=back	2626	=back
2398		2627
2399	=head3 cf::object	2628	=head3 cf::object
2400		2629
2401	=cut	2630	=cut
…		…
2466		2695
2467	our $SAY_CHANNEL = {	2696	our $SAY_CHANNEL = {
2468	id => "say",	2697	id => "say",
2469	title => "Map",	2698	title => "Map",
2470	reply => "say ",	2699	reply => "say ",
2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2700	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2472	};	2701	};
2473		2702
2474	our $CHAT_CHANNEL = {	2703	our $CHAT_CHANNEL = {
2475	id => "chat",	2704	id => "chat",
2476	title => "Chat",	2705	title => "Chat",
…		…
2531		2760
2532	=item $player_object->enter_link	2761	=item $player_object->enter_link
2533		2762
2534	Freezes the player and moves him/her to a special map (C<{link}>).	2763	Freezes the player and moves him/her to a special map (C<{link}>).
2535		2764
2536	The player should be reasonably safe there for short amounts of time. You	2765	The player should be reasonably safe there for short amounts of time (e.g.
2537	I<MUST> call C<leave_link> as soon as possible, though.	2766	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2767	though, as the player cannot control the character while it is on the link
		2768	map.
2538		2769
2539	Will never block.	2770	Will never block.
2540		2771
2541	=item $player_object->leave_link ($map, $x, $y)	2772	=item $player_object->leave_link ($map, $x, $y)
2542		2773
…		…
2562	sub cf::object::player::enter_link {	2793	sub cf::object::player::enter_link {
2563	my ($self) = @_;	2794	my ($self) = @_;
2564		2795
2565	$self->deactivate_recursive;	2796	$self->deactivate_recursive;
2566		2797
		2798	++$self->{_link_recursion};
		2799
2567	return if UNIVERSAL::isa $self->map, "ext::map_link";	2800	return if UNIVERSAL::isa $self->map, "ext::map_link";
2568		2801
2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2802	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2570	if $self->map && $self->map->{path} ne "{link}";	2803	if $self->map && $self->map->{path} ne "{link}";
2571		2804
2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2805	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2573	}	2806	}
2574		2807
2575	sub cf::object::player::leave_link {	2808	sub cf::object::player::leave_link {
2576	my ($self, $map, $x, $y) = @_;	2809	my ($self, $map, $x, $y) = @_;
2577		2810
…		…
2594	($x, $y) = (-1, -1)	2827	($x, $y) = (-1, -1)
2595	unless (defined $x) && (defined $y);	2828	unless (defined $x) && (defined $y);
2596		2829
2597	# use -1 or undef as default coordinates, not 0, 0	2830	# use -1 or undef as default coordinates, not 0, 0
2598	($x, $y) = ($map->enter_x, $map->enter_y)	2831	($x, $y) = ($map->enter_x, $map->enter_y)
2599	if $x <=0 && $y <= 0;	2832	if $x <= 0 && $y <= 0;
2600		2833
2601	$map->load;	2834	$map->load;
2602	$map->load_neighbours;
2603		2835
2604	return unless $self->contr->active;	2836	return unless $self->contr->active;
2605	$self->activate_recursive;
2606		2837
2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2838	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2608	$self->enter_map ($map, $x, $y);	2839	if ($self->enter_map ($map, $x, $y)) {
2609	}	2840	# entering was successful
		2841	delete $self->{_link_recursion};
		2842	# only activate afterwards, to support waiting in hooks
		2843	$self->activate_recursive;
		2844	}
2610		2845
		2846	}
		2847
2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2848	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2612		2849
2613	Moves the player to the given map-path and coordinates by first freezing	2850	Moves the player to the given map-path and coordinates by first freezing
2614	her, loading and preparing them map, calling the provided $check callback	2851	her, loading and preparing them map, calling the provided $check callback
2615	that has to return the map if sucecssful, and then unfreezes the player on	2852	that has to return the map if sucecssful, and then unfreezes the player on
2616	the new (success) or old (failed) map position. In either case, $done will	2853	the new (success) or old (failed) map position. In either case, $done will
2617	be called at the end of this process.	2854	be called at the end of this process.
2618		2855
		2856	Note that $check will be called with a potentially non-loaded map, so if
		2857	it needs a loaded map it has to call C<< ->load >>.
		2858
2619	=cut	2859	=cut
2620		2860
2621	our $GOTOGEN;	2861	our $GOTOGEN;
2622		2862
2623	sub cf::object::player::goto {	2863	sub cf::object::player::goto {
2624	my ($self, $path, $x, $y, $check, $done) = @_;	2864	my ($self, $path, $x, $y, $check, $done) = @_;
		2865
		2866	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2867	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2868	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2869	($path, $x, $y) = @$EMERGENCY_POSITION;
		2870	}
2625		2871
2626	# do generation counting so two concurrent goto's will be executed in-order	2872	# do generation counting so two concurrent goto's will be executed in-order
2627	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2873	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2628		2874
2629	$self->enter_link;	2875	$self->enter_link;
…		…
2649	($path, $x, $y) = (undef, undef, undef);	2895	($path, $x, $y) = (undef, undef, undef);
2650	}	2896	}
2651	}	2897	}
2652		2898
2653	my $map = eval {	2899	my $map = eval {
2654	my $map = defined $path ? cf::map::find $path : undef;	2900	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2655		2901
2656	if ($map) {	2902	if ($map) {
2657	$map = $map->customise_for ($self);	2903	$map = $map->customise_for ($self);
2658	$map = $check->($map) if $check && $map;	2904	$map = $check->($map, $x, $y, $self) if $check && $map;
2659	} else {	2905	} else {
2660	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2906	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2661	}	2907	}
2662		2908
2663	$map	2909	$map
…		…
2671	if ($gen == $self->{_goto_generation}) {	2917	if ($gen == $self->{_goto_generation}) {
2672	delete $self->{_goto_generation};	2918	delete $self->{_goto_generation};
2673	$self->leave_link ($map, $x, $y);	2919	$self->leave_link ($map, $x, $y);
2674	}	2920	}
2675		2921
2676	$done->() if $done;	2922	$done->($self) if $done;
2677	})->prio (1);	2923	})->prio (1);
2678	}	2924	}
2679		2925
2680	=item $player_object->enter_exit ($exit_object)	2926	=item $player_object->enter_exit ($exit_object)
2681		2927
…		…
2749	$Coro::current->{desc} = "enter_exit";	2995	$Coro::current->{desc} = "enter_exit";
2750		2996
2751	unless (eval {	2997	unless (eval {
2752	$self->deactivate_recursive; # just to be sure	2998	$self->deactivate_recursive; # just to be sure
2753		2999
2754	# random map handling
2755	{
2756	my $guard = cf::lock_acquire "exit_prepare:$exit";
2757
2758	prepare_random_map $exit
2759	if $exit->slaying eq "/!";
2760	}
2761
2762	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3000	my $map = cf::map::normalise $exit->slaying, $exit->map;
2763	my $x = $exit->stats->hp;	3001	my $x = $exit->stats->hp;
2764	my $y = $exit->stats->sp;	3002	my $y = $exit->stats->sp;
		3003
		3004	# special map handling
		3005	my $slaying = $exit->slaying;
		3006
		3007	# special map handling
		3008	if ($slaying eq "/!") {
		3009	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3010
		3011	prepare_random_map $exit
		3012	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3013
		3014	$map = $exit->slaying;
		3015
		3016	} elsif ($slaying eq '!up') {
		3017	$map = $exit->map->tile_path (cf::TILE_UP);
		3018	$x = $exit->x;
		3019	$y = $exit->y;
		3020
		3021	} elsif ($slaying eq '!down') {
		3022	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3023	$x = $exit->x;
		3024	$y = $exit->y;
		3025	}
2765		3026
2766	$self->goto ($map, $x, $y);	3027	$self->goto ($map, $x, $y);
2767		3028
2768	# if exit is damned, update players death & WoR home-position	3029	# if exit is damned, update players death & WoR home-position
2769	$self->contr->savebed ($map, $x, $y)	3030	$self->contr->savebed ($map, $x, $y)
2770	if $exit->flag (cf::FLAG_DAMNED);	3031	if $exit->flag (cf::FLAG_DAMNED);
2771		3032
2772	1	3033	1
2773	}) {	3034	}) {
2774	$self->message ("Something went wrong deep within the crossfire server. "	3035	$self->message ("Something went wrong deep within the deliantra server. "
2775	. "I'll try to bring you back to the map you were before. "	3036	. "I'll try to bring you back to the map you were before. "
2776	. "Please report this to the dungeon master!",	3037	. "Please report this to the dungeon master!",
2777	cf::NDI_UNIQUE | cf::NDI_RED);	3038	cf::NDI_UNIQUE | cf::NDI_RED);
2778		3039
2779	warn "ERROR in enter_exit: $@";	3040	error "ERROR in enter_exit: $@";
2780	$self->leave_link;	3041	$self->leave_link;
2781	}	3042	}
2782	})->prio (1);	3043	})->prio (1);
2783	}	3044	}
2784		3045
…		…
2796	sub cf::client::send_drawinfo {	3057	sub cf::client::send_drawinfo {
2797	my ($self, $text, $flags) = @_;	3058	my ($self, $text, $flags) = @_;
2798		3059
2799	utf8::encode $text;	3060	utf8::encode $text;
2800	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3061	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3062	}
		3063
		3064	=item $client->send_big_packet ($pkt)
		3065
		3066	Like C<send_packet>, but tries to compress large packets, and fragments
		3067	them as required.
		3068
		3069	=cut
		3070
		3071	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3072
		3073	sub cf::client::send_big_packet {
		3074	my ($self, $pkt) = @_;
		3075
		3076	# try lzf for large packets
		3077	$pkt = "lzf " . Compress::LZF::compress $pkt
		3078	if 1024 <= length $pkt and $self->{can_lzf};
		3079
		3080	# split very large packets
		3081	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3082	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3083	$pkt = "frag";
		3084	}
		3085
		3086	$self->send_packet ($pkt);
2801	}	3087	}
2802		3088
2803	=item $client->send_msg ($channel, $msg, $color, [extra...])	3089	=item $client->send_msg ($channel, $msg, $color, [extra...])
2804		3090
2805	Send a drawinfo or msg packet to the client, formatting the msg for the	3091	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2809		3095
2810	=cut	3096	=cut
2811		3097
2812	# non-persistent channels (usually the info channel)	3098	# non-persistent channels (usually the info channel)
2813	our %CHANNEL = (	3099	our %CHANNEL = (
		3100	"c/motd" => {
		3101	id => "infobox",
		3102	title => "MOTD",
		3103	reply => undef,
		3104	tooltip => "The message of the day",
		3105	},
2814	"c/identify" => {	3106	"c/identify" => {
2815	id => "infobox",	3107	id => "infobox",
2816	title => "Identify",	3108	title => "Identify",
2817	reply => undef,	3109	reply => undef,
2818	tooltip => "Items recently identified",	3110	tooltip => "Items recently identified",
…		…
2820	"c/examine" => {	3112	"c/examine" => {
2821	id => "infobox",	3113	id => "infobox",
2822	title => "Examine",	3114	title => "Examine",
2823	reply => undef,	3115	reply => undef,
2824	tooltip => "Signs and other items you examined",	3116	tooltip => "Signs and other items you examined",
		3117	},
		3118	"c/shopinfo" => {
		3119	id => "infobox",
		3120	title => "Shop Info",
		3121	reply => undef,
		3122	tooltip => "What your bargaining skill tells you about the shop",
2825	},	3123	},
2826	"c/book" => {	3124	"c/book" => {
2827	id => "infobox",	3125	id => "infobox",
2828	title => "Book",	3126	title => "Book",
2829	reply => undef,	3127	reply => undef,
…		…
2845	id => "infobox",	3143	id => "infobox",
2846	title => "Body Parts",	3144	title => "Body Parts",
2847	reply => undef,	3145	reply => undef,
2848	tooltip => "Shows which body parts you posess and are available",	3146	tooltip => "Shows which body parts you posess and are available",
2849	},	3147	},
		3148	"c/statistics" => {
		3149	id => "infobox",
		3150	title => "Statistics",
		3151	reply => undef,
		3152	tooltip => "Shows your primary statistics",
		3153	},
		3154	"c/skills" => {
		3155	id => "infobox",
		3156	title => "Skills",
		3157	reply => undef,
		3158	tooltip => "Shows your experience per skill and item power",
		3159	},
		3160	"c/shopitems" => {
		3161	id => "infobox",
		3162	title => "Shop Items",
		3163	reply => undef,
		3164	tooltip => "Shows the items currently for sale in this shop",
		3165	},
		3166	"c/resistances" => {
		3167	id => "infobox",
		3168	title => "Resistances",
		3169	reply => undef,
		3170	tooltip => "Shows your resistances",
		3171	},
		3172	"c/pets" => {
		3173	id => "infobox",
		3174	title => "Pets",
		3175	reply => undef,
		3176	tooltip => "Shows information abotu your pets/a specific pet",
		3177	},
		3178	"c/perceiveself" => {
		3179	id => "infobox",
		3180	title => "Perceive Self",
		3181	reply => undef,
		3182	tooltip => "You gained detailed knowledge about yourself",
		3183	},
2850	"c/uptime" => {	3184	"c/uptime" => {
2851	id => "infobox",	3185	id => "infobox",
2852	title => "Uptime",	3186	title => "Uptime",
2853	reply => undef,	3187	reply => undef,
2854	tooltip => "How long the server has been running since last restart",	3188	tooltip => "How long the server has been running since last restart",
…		…
2863	id => "party",	3197	id => "party",
2864	title => "Party",	3198	title => "Party",
2865	reply => "gsay ",	3199	reply => "gsay ",
2866	tooltip => "Messages and chat related to your party",	3200	tooltip => "Messages and chat related to your party",
2867	},	3201	},
		3202	"c/death" => {
		3203	id => "death",
		3204	title => "Death",
		3205	reply => undef,
		3206	tooltip => "Reason for and more info about your most recent death",
		3207	},
		3208	"c/say" => $SAY_CHANNEL,
		3209	"c/chat" => $CHAT_CHANNEL,
2868	);	3210	);
2869		3211
2870	sub cf::client::send_msg {	3212	sub cf::client::send_msg {
2871	my ($self, $channel, $msg, $color, @extra) = @_;	3213	my ($self, $channel, $msg, $color, @extra) = @_;
2872		3214
2873	$msg = $self->pl->expand_cfpod ($msg);	3215	$msg = $self->pl->expand_cfpod ($msg)
		3216	unless $color & cf::NDI_VERBATIM;
2874		3217
2875	$color &= cf::NDI_CLIENT_MASK; # just in case...	3218	$color &= cf::NDI_CLIENT_MASK; # just in case...
2876		3219
2877	# check predefined channels, for the benefit of C	3220	# check predefined channels, for the benefit of C
2878	if ($CHANNEL{$channel}) {	3221	if ($CHANNEL{$channel}) {
2879	$channel = $CHANNEL{$channel};	3222	$channel = $CHANNEL{$channel};
2880		3223
2881	$self->ext_msg (channel_info => $channel)	3224	$self->ext_msg (channel_info => $channel);
2882	if $self->can_msg;
2883
2884	$channel = $channel->{id};	3225	$channel = $channel->{id};
2885		3226
2886	} elsif (ref $channel) {	3227	} elsif (ref $channel) {
2887	# send meta info to client, if not yet sent	3228	# send meta info to client, if not yet sent
2888	unless (exists $self->{channel}{$channel->{id}}) {	3229	unless (exists $self->{channel}{$channel->{id}}) {
2889	$self->{channel}{$channel->{id}} = $channel;	3230	$self->{channel}{$channel->{id}} = $channel;
2890	$self->ext_msg (channel_info => $channel)	3231	$self->ext_msg (channel_info => $channel);
2891	if $self->can_msg;
2892	}	3232	}
2893		3233
2894	$channel = $channel->{id};	3234	$channel = $channel->{id};
2895	}	3235	}
2896		3236
2897	return unless @extra || length $msg;	3237	return unless @extra || length $msg;
2898		3238
2899	if ($self->can_msg) {
2900	# default colour, mask it out	3239	# default colour, mask it out
2901	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3240	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2902	if $color & cf::NDI_DEF;	3241	if $color & cf::NDI_DEF;
2903		3242
2904	$self->send_packet ("msg " . $self->{json_coder}->encode (	3243	my $pkt = "msg "
		3244	. $self->{json_coder}->encode (
2905	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3245	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2906	} else {	3246	);
2907	if ($color >= 0) {
2908	# replace some tags by gcfclient-compatible ones
2909	for ($msg) {
2910	1 while
2911	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2912	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2913	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2914	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2915	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2916	}
2917		3247
2918	$color &= cf::NDI_COLOR_MASK;	3248	$self->send_big_packet ($pkt);
2919
2920	utf8::encode $msg;
2921
2922	if (0 && $msg =~ /\[/) {
2923	# COMMAND/INFO
2924	$self->send_packet ("drawextinfo $color 10 8 $msg")
2925	} else {
2926	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2927	$self->send_packet ("drawinfo $color $msg")
2928	}
2929	}
2930	}
2931	}	3249	}
2932		3250
2933	=item $client->ext_msg ($type, @msg)	3251	=item $client->ext_msg ($type, @msg)
2934		3252
2935	Sends an ext event to the client.	3253	Sends an ext event to the client.
…		…
2937	=cut	3255	=cut
2938		3256
2939	sub cf::client::ext_msg($$@) {	3257	sub cf::client::ext_msg($$@) {
2940	my ($self, $type, @msg) = @_;	3258	my ($self, $type, @msg) = @_;
2941		3259
2942	if ($self->extcmd == 2) {
2943	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3260	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2944	} elsif ($self->extcmd == 1) { # TODO: remove
2945	push @msg, msgtype => "event_$type";
2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2947	}
2948	}
2949
2950	=item $client->ext_reply ($msgid, @msg)
2951
2952	Sends an ext reply to the client.
2953
2954	=cut
2955
2956	sub cf::client::ext_reply($$@) {
2957	my ($self, $id, @msg) = @_;
2958
2959	if ($self->extcmd == 2) {
2960	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2961	} elsif ($self->extcmd == 1) {
2962	#TODO: version 1, remove
2963	unshift @msg, msgtype => "reply", msgid => $id;
2964	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2965	}
2966	}	3261	}
2967		3262
2968	=item $success = $client->query ($flags, "text", \&cb)	3263	=item $success = $client->query ($flags, "text", \&cb)
2969		3264
2970	Queues a query to the client, calling the given callback with	3265	Queues a query to the client, calling the given callback with
…		…
3025	my ($ns, $buf) = @_;	3320	my ($ns, $buf) = @_;
3026		3321
3027	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3322	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3028		3323
3029	if (ref $msg) {	3324	if (ref $msg) {
3030	my ($type, $reply, @payload) =	3325	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3031	"ARRAY" eq ref $msg
3032	? @$msg
3033	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3034		3326
3035	my @reply;
3036
3037	if (my $cb = $EXTICMD{$type}) {	3327	if (my $cb = $EXTIACMD{$type}) {
		3328	$cb->(
		3329	$ns,
		3330	sub {
		3331	$ns->ext_msg ("reply-$reply", @_)
		3332	if $reply;
		3333	},
		3334	@payload
		3335	);
		3336	} else {
		3337	my @reply;
		3338
		3339	if (my $cb = $EXTICMD{$type}) {
3038	@reply = $cb->($ns, @payload);	3340	@reply = $cb->($ns, @payload);
		3341	}
		3342
		3343	$ns->ext_msg ("reply-$reply", @reply)
		3344	if $reply;
3039	}	3345	}
3040
3041	$ns->ext_reply ($reply, @reply)
3042	if $reply;
3043
3044	} else {	3346	} else {
3045	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3347	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3046	}	3348	}
3047		3349
3048	cf::override;	3350	cf::override;
3049	},	3351	},
3050	);	3352	);
…		…
3070		3372
3071	$coro	3373	$coro
3072	}	3374	}
3073		3375
3074	cf::client->attach (	3376	cf::client->attach (
3075	on_destroy => sub {	3377	on_client_destroy => sub {
3076	my ($ns) = @_;	3378	my ($ns) = @_;
3077		3379
3078	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3380	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3079	},	3381	},
3080	);	3382	);
…		…
3096	our $safe_hole = new Safe::Hole;	3398	our $safe_hole = new Safe::Hole;
3097		3399
3098	$SIG{FPE} = 'IGNORE';	3400	$SIG{FPE} = 'IGNORE';
3099		3401
3100	$safe->permit_only (Opcode::opset qw(	3402	$safe->permit_only (Opcode::opset qw(
3101	:base_core :base_mem :base_orig :base_math	3403	:base_core :base_mem :base_orig :base_math :base_loop
3102	grepstart grepwhile mapstart mapwhile	3404	grepstart grepwhile mapstart mapwhile
3103	sort time	3405	sort time
3104	));	3406	));
3105		3407
3106	# here we export the classes and methods available to script code	3408	# here we export the classes and methods available to script code
…		…
3110	The following functions and methods are available within a safe environment:	3412	The following functions and methods are available within a safe environment:
3111		3413
3112	cf::object	3414	cf::object
3113	contr pay_amount pay_player map x y force_find force_add destroy	3415	contr pay_amount pay_player map x y force_find force_add destroy
3114	insert remove name archname title slaying race decrease split	3416	insert remove name archname title slaying race decrease split
		3417	value
3115		3418
3116	cf::object::player	3419	cf::object::player
3117	player	3420	player
3118		3421
3119	cf::player	3422	cf::player
…		…
3125	=cut	3428	=cut
3126		3429
3127	for (	3430	for (
3128	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3431	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3129	insert remove inv nrof name archname title slaying race	3432	insert remove inv nrof name archname title slaying race
3130	decrease split destroy)],	3433	decrease split destroy change_exp value msg lore send_msg)],
3131	["cf::object::player" => qw(player)],	3434	["cf::object::player" => qw(player)],
3132	["cf::player" => qw(peaceful)],	3435	["cf::player" => qw(peaceful send_msg)],
3133	["cf::map" => qw(trigger)],	3436	["cf::map" => qw(trigger)],
3134	) {	3437	) {
3135	no strict 'refs';
3136	my ($pkg, @funs) = @$_;	3438	my ($pkg, @funs) = @$_;
3137	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3439	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3138	for @funs;	3440	for @funs;
3139	}	3441	}
3140		3442
…		…
3155		3457
3156	my $qcode = $code;	3458	my $qcode = $code;
3157	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3459	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3158	$qcode =~ s/\n/\\n/g;	3460	$qcode =~ s/\n/\\n/g;
3159		3461
		3462	%vars = (_dummy => 0) unless %vars;
		3463
		3464	my @res;
3160	local $_;	3465	local $_;
3161	local @safe::cf::_safe_eval_args = values %vars;
3162		3466
3163	my $eval =	3467	my $eval =
3164	"do {\n"	3468	"do {\n"
3165	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3469	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3166	. "#line 0 \"{$qcode}\"\n"	3470	. "#line 0 \"{$qcode}\"\n"
3167	. $code	3471	. $code
3168	. "\n}"	3472	. "\n}"
3169	;	3473	;
3170		3474
		3475	if ($CFG{safe_eval}) {
3171	sub_generation_inc;	3476	sub_generation_inc;
		3477	local @safe::cf::_safe_eval_args = values %vars;
3172	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3478	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3173	sub_generation_inc;	3479	sub_generation_inc;
		3480	} else {
		3481	local @cf::_safe_eval_args = values %vars;
		3482	@res = wantarray ? eval eval : scalar eval $eval;
		3483	}
3174		3484
3175	if ($@) {	3485	if ($@) {
3176	warn "$@";	3486	warn "$@",
3177	warn "while executing safe code '$code'\n";	3487	"while executing safe code '$code'\n",
3178	warn "with arguments " . (join " ", %vars) . "\n";	3488	"with arguments " . (join " ", %vars) . "\n";
3179	}	3489	}
3180		3490
3181	wantarray ? @res : $res[0]	3491	wantarray ? @res : $res[0]
3182	}	3492	}
3183		3493
…		…
3197	=cut	3507	=cut
3198		3508
3199	sub register_script_function {	3509	sub register_script_function {
3200	my ($fun, $cb) = @_;	3510	my ($fun, $cb) = @_;
3201		3511
3202	no strict 'refs';	3512	$fun = "safe::$fun" if $CFG{safe_eval};
3203	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3513	*$fun = $safe_hole->wrap ($cb);
3204	}	3514	}
3205		3515
3206	=back	3516	=back
3207		3517
3208	=cut	3518	=cut
3209		3519
3210	#############################################################################	3520	#############################################################################
3211	# the server's init and main functions	3521	# the server's init and main functions
		3522
		3523	our %FACEHASH; # hash => idx, #d# HACK for http server
		3524
		3525	# internal api, not fianlised
		3526	sub set_face {
		3527	my ($name, $type, $data) = @_;
		3528
		3529	my $idx = cf::face::find $name;
		3530
		3531	if ($idx) {
		3532	delete $FACEHASH{cf::face::get_chksum $idx};
		3533	} else {
		3534	$idx = cf::face::alloc $name;
		3535	}
		3536
		3537	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3538
		3539	cf::face::set_type $idx, $type;
		3540	cf::face::set_data $idx, 0, $data, $hash;
		3541	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3542	$FACEHASH{$hash} = $idx;#d#
		3543
		3544	$idx
		3545	}
3212		3546
3213	sub load_facedata($) {	3547	sub load_facedata($) {
3214	my ($path) = @_;	3548	my ($path) = @_;
3215		3549
3216	# HACK to clear player env face cache, we need some signal framework	3550	# HACK to clear player env face cache, we need some signal framework
3217	# for this (global event?)	3551	# for this (global event?)
3218	%ext::player_env::MUSIC_FACE_CACHE = ();	3552	%ext::player_env::MUSIC_FACE_CACHE = ();
3219		3553
3220	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3554	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3221		3555
3222	warn "loading facedata from $path\n";	3556	trace "loading facedata from $path\n";
3223		3557
3224	my $facedata;	3558	my $facedata = decode_storable load_file $path;
3225	0 < aio_load $path, $facedata
3226	or die "$path: $!";
3227
3228	$facedata = Coro::Storable::thaw $facedata;
3229		3559
3230	$facedata->{version} == 2	3560	$facedata->{version} == 2
3231	or cf::cleanup "$path: version mismatch, cannot proceed.";	3561	or cf::cleanup "$path: version mismatch, cannot proceed.";
3232		3562
3233	# patch in the exptable
3234	$facedata->{resource}{"res/exp_table"} = {
3235	type => FT_RSRC,
3236	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3237	};
3238	cf::cede_to_tick;	3563	cf::cede_to_tick;
3239		3564
3240	{	3565	{
3241	my $faces = $facedata->{faceinfo};	3566	my $faces = delete $facedata->{faceinfo};
3242		3567
3243	while (my ($face, $info) = each %$faces) {	3568	for my $face (sort keys %$faces) {
		3569	my $info = $faces->{$face};
3244	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3570	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3245		3571
3246	cf::face::set_visibility $idx, $info->{visibility};	3572	cf::face::set_visibility $idx, $info->{visibility};
3247	cf::face::set_magicmap $idx, $info->{magicmap};	3573	cf::face::set_magicmap $idx, $info->{magicmap};
3248	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3574	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3249	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3575	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3250		3576	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3577	$FACEHASH{$info->{hash64}} = $idx;#d#
		3578
3251	cf::cede_to_tick;	3579	cf::cede_to_tick;
3252	}	3580	}
3253		3581
3254	while (my ($face, $info) = each %$faces) {	3582	while (my ($face, $info) = each %$faces) {
3255	next unless $info->{smooth};	3583	next unless $info->{smooth};
…		…
3259		3587
3260	if (my $smooth = cf::face::find $info->{smooth}) {	3588	if (my $smooth = cf::face::find $info->{smooth}) {
3261	cf::face::set_smooth $idx, $smooth;	3589	cf::face::set_smooth $idx, $smooth;
3262	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3590	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3263	} else {	3591	} else {
3264	warn "smooth face '$info->{smooth}' not found for face '$face'";	3592	error "smooth face '$info->{smooth}' not found for face '$face'";
3265	}	3593	}
3266		3594
3267	cf::cede_to_tick;	3595	cf::cede_to_tick;
3268	}	3596	}
3269	}	3597	}
3270		3598
3271	{	3599	{
3272	my $anims = $facedata->{animinfo};	3600	my $anims = delete $facedata->{animinfo};
3273		3601
3274	while (my ($anim, $info) = each %$anims) {	3602	while (my ($anim, $info) = each %$anims) {
3275	cf::anim::set $anim, $info->{frames}, $info->{facings};	3603	cf::anim::set $anim, $info->{frames}, $info->{facings};
3276	cf::cede_to_tick;	3604	cf::cede_to_tick;
3277	}	3605	}
3278		3606
3279	cf::anim::invalidate_all; # d'oh	3607	cf::anim::invalidate_all; # d'oh
3280	}	3608	}
3281		3609
3282	{	3610	{
3283	# TODO: for gcfclient pleasure, we should give resources
3284	# that gcfclient doesn't grok a >10000 face index.
3285	my $res = $facedata->{resource};	3611	my $res = delete $facedata->{resource};
3286		3612
3287	while (my ($name, $info) = each %$res) {	3613	while (my ($name, $info) = each %$res) {
3288	if (defined $info->{type}) {	3614	if (defined (my $type = $info->{type})) {
		3615	# TODO: different hash - must free and use new index, or cache ixface data queue
3289	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3616	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3290	my $data;
3291		3617
3292	if ($info->{type} & 1) {
3293	# prepend meta info
3294
3295	my $meta = $enc->encode ({
3296	name => $name,
3297	%{ $info->{meta} || {} },
3298	});
3299
3300	$data = pack "(w/a*)*", $meta, $info->{data};
3301	} else {
3302	$data = $info->{data};
3303	}
3304
3305	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3306	cf::face::set_type $idx, $info->{type};	3618	cf::face::set_type $idx, $type;
		3619	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3620	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3621	$FACEHASH{$info->{hash}} = $idx;#d#
3307	} else {	3622	} else {
3308	$RESOURCE{$name} = $info;	3623	# $RESOURCE{$name} = $info; # unused
3309	}	3624	}
3310		3625
3311	cf::cede_to_tick;	3626	cf::cede_to_tick;
3312	}	3627	}
3313	}	3628	}
3314		3629
3315	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3630	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3316		3631
3317	1	3632	1
3318	}	3633	}
3319
3320	cf::global->attach (on_resource_update => sub {
3321	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3322	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3323
3324	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3325	my $sound = $soundconf->{compat}[$_]
3326	or next;
3327
3328	my $face = cf::face::find "sound/$sound->[1]";
3329	cf::sound::set $sound->[0] => $face;
3330	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3331	}
3332
3333	while (my ($k, $v) = each %{$soundconf->{event}}) {
3334	my $face = cf::face::find "sound/$v";
3335	cf::sound::set $k => $face;
3336	}
3337	}
3338	});
3339		3634
3340	register_exticmd fx_want => sub {	3635	register_exticmd fx_want => sub {
3341	my ($ns, $want) = @_;	3636	my ($ns, $want) = @_;
3342		3637
3343	while (my ($k, $v) = each %$want) {	3638	while (my ($k, $v) = each %$want) {
…		…
3351	my $status = load_resource_file_ $_[0];	3646	my $status = load_resource_file_ $_[0];
3352	get_slot 0.1, 100;	3647	get_slot 0.1, 100;
3353	cf::arch::commit_load;	3648	cf::arch::commit_load;
3354		3649
3355	$status	3650	$status
		3651	}
		3652
		3653	sub reload_exp_table {
		3654	_reload_exp_table;
		3655
		3656	set_face "res/exp_table" => FT_RSRC,
		3657	JSON::XS->new->utf8->canonical->encode (
		3658	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3659	);
		3660	}
		3661
		3662	sub reload_materials {
		3663	_reload_materials;
3356	}	3664	}
3357		3665
3358	sub reload_regions {	3666	sub reload_regions {
3359	# HACK to clear player env face cache, we need some signal framework	3667	# HACK to clear player env face cache, we need some signal framework
3360	# for this (global event?)	3668	# for this (global event?)
…		…
3375	}	3683	}
3376		3684
3377	sub reload_archetypes {	3685	sub reload_archetypes {
3378	load_resource_file "$DATADIR/archetypes"	3686	load_resource_file "$DATADIR/archetypes"
3379	or die "unable to load archetypes\n";	3687	or die "unable to load archetypes\n";
		3688
		3689	set_face "res/skill_info" => FT_RSRC,
		3690	JSON::XS->new->utf8->canonical->encode (
		3691	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3692	);
		3693	set_face "res/spell_paths" => FT_RSRC,
		3694	JSON::XS->new->utf8->canonical->encode (
		3695	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3696	);
3380	}	3697	}
3381		3698
3382	sub reload_treasures {	3699	sub reload_treasures {
3383	load_resource_file "$DATADIR/treasures"	3700	load_resource_file "$DATADIR/treasures"
3384	or die "unable to load treasurelists\n";	3701	or die "unable to load treasurelists\n";
3385	}	3702	}
3386		3703
		3704	sub reload_sound {
		3705	trace "loading sound config from $DATADIR/sound\n";
		3706
		3707	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3708
		3709	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3710	my $sound = $soundconf->{compat}[$_]
		3711	or next;
		3712
		3713	my $face = cf::face::find "sound/$sound->[1]";
		3714	cf::sound::set $sound->[0] => $face;
		3715	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3716	}
		3717
		3718	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3719	my $face = cf::face::find "sound/$v";
		3720	cf::sound::set $k => $face;
		3721	}
		3722	}
		3723
3387	sub reload_resources {	3724	sub reload_resources {
3388	warn "reloading resource files...\n";	3725	trace "reloading resource files...\n";
3389		3726
		3727	reload_materials;
3390	reload_facedata;	3728	reload_facedata;
		3729	reload_exp_table;
		3730	reload_sound;
3391	reload_archetypes;	3731	reload_archetypes;
3392	reload_regions;	3732	reload_regions;
3393	reload_treasures;	3733	reload_treasures;
3394		3734
3395	warn "finished reloading resource files\n";	3735	trace "finished reloading resource files\n";
3396	}
3397
3398	sub init {
3399	my $guard = freeze_mainloop;
3400
3401	reload_resources;
3402	}	3736	}
3403		3737
3404	sub reload_config {	3738	sub reload_config {
3405	open my $fh, "<:utf8", "$CONFDIR/config"	3739	trace "reloading config file...\n";
3406	or return;
3407		3740
3408	local $/;	3741	my $config = load_file "$CONFDIR/config";
3409	*CFG = YAML::Load <$fh>;	3742	utf8::decode $config;
		3743	*CFG = decode_yaml $config;
3410		3744
3411	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3745	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3412		3746
3413	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3747	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3414	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3748	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3415		3749
3416	if (exists $CFG{mlockall}) {	3750	if (exists $CFG{mlockall}) {
…		…
3420	};	3754	};
3421	warn $@ if $@;	3755	warn $@ if $@;
3422	}	3756	}
3423	}	3757	}
3424		3758
		3759	sub pidfile() {
		3760	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3761	or die "$PIDFILE: $!";
		3762	flock $fh, &Fcntl::LOCK_EX
		3763	or die "$PIDFILE: flock: $!";
		3764	$fh
		3765	}
		3766
		3767	# make sure only one server instance is running at any one time
		3768	sub atomic {
		3769	my $fh = pidfile;
		3770
		3771	my $pid = <$fh>;
		3772	kill 9, $pid if $pid > 0;
		3773
		3774	seek $fh, 0, 0;
		3775	print $fh $$;
		3776	}
		3777
		3778	sub main_loop {
		3779	trace "EV::loop starting\n";
		3780	if (1) {
		3781	EV::loop;
		3782	}
		3783	trace "EV::loop returned\n";
		3784	goto &main_loop unless $REALLY_UNLOOP;
		3785	}
		3786
3425	sub main {	3787	sub main {
		3788	cf::init_globals; # initialise logging
		3789
		3790	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3791	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3792	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3793	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3794
		3795	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3796
3426	# we must not ever block the main coroutine	3797	# we must not ever block the main coroutine
3427	local $Coro::idle = sub {	3798	$Coro::idle = sub {
3428	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3799	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3429	(async {	3800	(async {
3430	$Coro::current->{desc} = "IDLE BUG HANDLER";	3801	$Coro::current->{desc} = "IDLE BUG HANDLER";
3431	EV::loop EV::LOOP_ONESHOT;	3802	EV::loop EV::LOOP_ONESHOT;
3432	})->prio (Coro::PRIO_MAX);	3803	})->prio (Coro::PRIO_MAX);
3433	};	3804	};
3434		3805
3435	{	3806	evthread_start IO::AIO::poll_fileno;
3436	my $guard = freeze_mainloop;	3807
		3808	cf::sync_job {
		3809	cf::incloader::init ();
		3810
		3811	db_init;
		3812
		3813	cf::init_anim;
		3814	cf::init_attackmess;
		3815	cf::init_dynamic;
		3816
		3817	cf::load_settings;
		3818
		3819	reload_resources;
3437	reload_config;	3820	reload_config;
3438	db_init;	3821
		3822	cf::init_uuid;
		3823	cf::init_signals;
		3824	cf::init_skills;
		3825
		3826	cf::init_beforeplay;
		3827
		3828	atomic;
		3829
3439	load_extensions;	3830	load_extensions;
3440		3831
3441	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3832	utime time, time, $RUNTIMEFILE;
3442	evthread_start IO::AIO::poll_fileno;	3833
		3834	# no (long-running) fork's whatsoever before this point(!)
		3835	use POSIX ();
		3836	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3837
		3838	cf::_post_init 0;
3443	}	3839	};
3444		3840
3445	EV::loop;	3841	cf::object::thawer::errors_are_fatal 0;
		3842	info "parse errors in files are no longer fatal from this point on.\n";
		3843
		3844	AE::postpone {
		3845	undef &main; # free gobs of memory :)
		3846	};
		3847
		3848	goto &main_loop;
3446	}	3849	}
3447		3850
3448	#############################################################################	3851	#############################################################################
3449	# initialisation and cleanup	3852	# initialisation and cleanup
3450		3853
3451	# install some emergency cleanup handlers	3854	# install some emergency cleanup handlers
3452	BEGIN {	3855	BEGIN {
3453	our %SIGWATCHER = ();	3856	our %SIGWATCHER = ();
3454	for my $signal (qw(INT HUP TERM)) {	3857	for my $signal (qw(INT HUP TERM)) {
3455	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3858	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3456	cf::cleanup "SIG$signal";	3859	cf::cleanup "SIG$signal";
3457	};	3860	};
3458	}	3861	}
3459	}	3862	}
3460		3863
3461	sub write_runtime_sync {	3864	sub write_runtime_sync {
3462	my $runtime = "$LOCALDIR/runtime";	3865	my $t0 = AE::time;
3463		3866
3464	# first touch the runtime file to show we are still running:	3867	# first touch the runtime file to show we are still running:
3465	# the fsync below can take a very very long time.	3868	# the fsync below can take a very very long time.
3466		3869
3467	IO::AIO::aio_utime $runtime, undef, undef;	3870	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3468		3871
3469	my $guard = cf::lock_acquire "write_runtime";	3872	my $guard = cf::lock_acquire "write_runtime";
3470		3873
3471	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3874	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3472	or return;	3875	or return;
3473		3876
3474	my $value = $cf::RUNTIME + 90 + 10;	3877	my $value = $cf::RUNTIME + 90 + 10;
3475	# 10 is the runtime save interval, for a monotonic clock	3878	# 10 is the runtime save interval, for a monotonic clock
3476	# 60 allows for the watchdog to kill the server.	3879	# 60 allows for the watchdog to kill the server.
…		…
3486	aio_utime $fh, undef, undef;	3889	aio_utime $fh, undef, undef;
3487		3890
3488	close $fh	3891	close $fh
3489	or return;	3892	or return;
3490		3893
3491	aio_rename "$runtime~", $runtime	3894	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3492	and return;	3895	and return;
3493		3896
3494	warn "runtime file written.\n";	3897	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3495		3898
3496	1	3899	1
3497	}	3900	}
3498		3901
3499	our $uuid_lock;	3902	our $uuid_lock;
…		…
3508	my $uuid = "$LOCALDIR/uuid";	3911	my $uuid = "$LOCALDIR/uuid";
3509		3912
3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3913	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3511	or return;	3914	or return;
3512		3915
3513	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3916	my $value = uuid_seq uuid_cur;
		3917
		3918	unless ($value) {
		3919	info "cowardly refusing to write zero uuid value!\n";
		3920	return;
		3921	}
		3922
		3923	my $value = uuid_str $value + $uuid_skip;
3514	$uuid_skip = 0;	3924	$uuid_skip = 0;
3515		3925
3516	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3926	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3517	and return;	3927	and return;
3518		3928
…		…
3524	or return;	3934	or return;
3525		3935
3526	aio_rename "$uuid~", $uuid	3936	aio_rename "$uuid~", $uuid
3527	and return;	3937	and return;
3528		3938
3529	warn "uuid file written ($value).\n";	3939	trace "uuid file written ($value).\n";
3530		3940
3531	1	3941	1
3532		3942
3533	}	3943	}
3534		3944
…		…
3540	}	3950	}
3541		3951
3542	sub emergency_save() {	3952	sub emergency_save() {
3543	my $freeze_guard = cf::freeze_mainloop;	3953	my $freeze_guard = cf::freeze_mainloop;
3544		3954
3545	warn "enter emergency perl save\n";	3955	info "emergency_perl_save: enter\n";
		3956
		3957	# this is a trade-off: we want to be very quick here, so
		3958	# save all maps without fsync, and later call a global sync
		3959	# (which in turn might be very very slow)
		3960	local $USE_FSYNC = 0;
3546		3961
3547	cf::sync_job {	3962	cf::sync_job {
		3963	cf::write_runtime_sync; # external watchdog should not bark
		3964
3548	# use a peculiar iteration method to avoid tripping on perl	3965	# use a peculiar iteration method to avoid tripping on perl
3549	# refcount bugs in for. also avoids problems with players	3966	# refcount bugs in for. also avoids problems with players
3550	# and maps saved/destroyed asynchronously.	3967	# and maps saved/destroyed asynchronously.
3551	warn "begin emergency player save\n";	3968	info "emergency_perl_save: begin player save\n";
3552	for my $login (keys %cf::PLAYER) {	3969	for my $login (keys %cf::PLAYER) {
3553	my $pl = $cf::PLAYER{$login} or next;	3970	my $pl = $cf::PLAYER{$login} or next;
3554	$pl->valid or next;	3971	$pl->valid or next;
3555	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3972	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3556	$pl->save;	3973	$pl->save;
3557	}	3974	}
3558	warn "end emergency player save\n";	3975	info "emergency_perl_save: end player save\n";
3559		3976
3560	warn "begin emergency map save\n";	3977	cf::write_runtime_sync; # external watchdog should not bark
		3978
		3979	info "emergency_perl_save: begin map save\n";
3561	for my $path (keys %cf::MAP) {	3980	for my $path (keys %cf::MAP) {
3562	my $map = $cf::MAP{$path} or next;	3981	my $map = $cf::MAP{$path} or next;
3563	$map->valid or next;	3982	$map->valid or next;
3564	$map->save;	3983	$map->save;
3565	}	3984	}
3566	warn "end emergency map save\n";	3985	info "emergency_perl_save: end map save\n";
3567		3986
3568	warn "begin emergency database checkpoint\n";	3987	cf::write_runtime_sync; # external watchdog should not bark
		3988
		3989	info "emergency_perl_save: begin database checkpoint\n";
3569	BDB::db_env_txn_checkpoint $DB_ENV;	3990	BDB::db_env_txn_checkpoint $DB_ENV;
3570	warn "end emergency database checkpoint\n";	3991	info "emergency_perl_save: end database checkpoint\n";
3571		3992
3572	warn "begin write uuid\n";	3993	info "emergency_perl_save: begin write uuid\n";
3573	write_uuid_sync 1;	3994	write_uuid_sync 1;
3574	warn "end write uuid\n";	3995	info "emergency_perl_save: end write uuid\n";
		3996
		3997	cf::write_runtime_sync; # external watchdog should not bark
		3998
		3999	trace "emergency_perl_save: syncing database to disk";
		4000	BDB::db_env_txn_checkpoint $DB_ENV;
		4001
		4002	info "emergency_perl_save: starting sync\n";
		4003	IO::AIO::aio_sync sub {
		4004	info "emergency_perl_save: finished sync\n";
		4005	};
		4006
		4007	cf::write_runtime_sync; # external watchdog should not bark
		4008
		4009	trace "emergency_perl_save: flushing outstanding aio requests";
		4010	while (IO::AIO::nreqs || BDB::nreqs) {
		4011	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4012	}
		4013
		4014	cf::write_runtime_sync; # external watchdog should not bark
3575	};	4015	};
3576		4016
3577	warn "leave emergency perl save\n";	4017	info "emergency_perl_save: leave\n";
3578	}	4018	}
3579		4019
3580	sub post_cleanup {	4020	sub post_cleanup {
3581	my ($make_core) = @_;	4021	my ($make_core) = @_;
3582		4022
		4023	IO::AIO::flush;
		4024
3583	warn Carp::longmess "post_cleanup backtrace"	4025	error Carp::longmess "post_cleanup backtrace"
3584	if $make_core;	4026	if $make_core;
		4027
		4028	my $fh = pidfile;
		4029	unlink $PIDFILE if <$fh> == $$;
		4030	}
		4031
		4032	# a safer delete_package, copied from Symbol
		4033	sub clear_package($) {
		4034	my $pkg = shift;
		4035
		4036	# expand to full symbol table name if needed
		4037	unless ($pkg =~ /^main::.*::$/) {
		4038	$pkg = "main$pkg" if $pkg =~ /^::/;
		4039	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4040	$pkg .= '::' unless $pkg =~ /::$/;
		4041	}
		4042
		4043	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4044	my $stem_symtab = *{$stem}{HASH};
		4045
		4046	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4047	or return;
		4048
		4049	# clear all symbols
		4050	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4051	for my $name (keys %$leaf_symtab) {
		4052	_gv_clear *{"$pkg$name"};
		4053	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4054	}
3585	}	4055	}
3586		4056
3587	sub do_reload_perl() {	4057	sub do_reload_perl() {
3588	# can/must only be called in main	4058	# can/must only be called in main
3589	if ($Coro::current != $Coro::main) {	4059	unless (in_main) {
3590	warn "can only reload from main coroutine";	4060	error "can only reload from main coroutine";
3591	return;	4061	return;
3592	}	4062	}
3593		4063
3594	warn "reloading...";	4064	return if $RELOAD++;
3595		4065
3596	warn "entering sync_job";	4066	my $t1 = AE::time;
3597		4067
		4068	while ($RELOAD) {
		4069	cf::get_slot 0.1, -1, "reload_perl";
		4070	info "perl_reload: reloading...";
		4071
		4072	trace "perl_reload: entering sync_job";
		4073
3598	cf::sync_job {	4074	cf::sync_job {
3599	cf::write_runtime_sync; # external watchdog should not bark
3600	cf::emergency_save;	4075	#cf::emergency_save;
3601	cf::write_runtime_sync; # external watchdog should not bark
3602		4076
3603	warn "syncing database to disk";
3604	BDB::db_env_txn_checkpoint $DB_ENV;
3605
3606	# if anything goes wrong in here, we should simply crash as we already saved
3607
3608	warn "flushing outstanding aio requests";
3609	for (;;) {
3610	BDB::flush;
3611	IO::AIO::flush;
3612	Coro::cede_notself;
3613	last unless IO::AIO::nreqs || BDB::nreqs;
3614	warn "iterate...";
3615	}
3616
3617	++$RELOAD;
3618
3619	warn "cancelling all extension coros";	4077	trace "perl_reload: cancelling all extension coros";
3620	$_->cancel for values %EXT_CORO;	4078	$_->cancel for values %EXT_CORO;
3621	%EXT_CORO = ();	4079	%EXT_CORO = ();
3622		4080
3623	warn "removing commands";	4081	trace "perl_reload: removing commands";
3624	%COMMAND = ();	4082	%COMMAND = ();
3625		4083
3626	warn "removing ext/exti commands";	4084	trace "perl_reload: removing ext/exti commands";
3627	%EXTCMD = ();	4085	%EXTCMD = ();
3628	%EXTICMD = ();	4086	%EXTICMD = ();
3629		4087
3630	warn "unloading/nuking all extensions";	4088	trace "perl_reload: unloading/nuking all extensions";
3631	for my $pkg (@EXTS) {	4089	for my $pkg (@EXTS) {
3632	warn "... unloading $pkg";	4090	trace "... unloading $pkg";
3633		4091
3634	if (my $cb = $pkg->can ("unload")) {	4092	if (my $cb = $pkg->can ("unload")) {
3635	eval {	4093	eval {
3636	$cb->($pkg);	4094	$cb->($pkg);
3637	1	4095	1
3638	} or warn "$pkg unloaded, but with errors: $@";	4096	} or error "$pkg unloaded, but with errors: $@";
		4097	}
		4098
		4099	trace "... clearing $pkg";
		4100	clear_package $pkg;
3639	}	4101	}
3640		4102
3641	warn "... nuking $pkg";
3642	Symbol::delete_package $pkg;
3643	}
3644
3645	warn "unloading all perl modules loaded from $LIBDIR";	4103	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3646	while (my ($k, $v) = each %INC) {	4104	while (my ($k, $v) = each %INC) {
3647	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4105	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3648		4106
3649	warn "... unloading $k";	4107	trace "... unloading $k";
3650	delete $INC{$k};	4108	delete $INC{$k};
3651		4109
3652	$k =~ s/\.pm$//;	4110	$k =~ s/\.pm$//;
3653	$k =~ s/\//::/g;	4111	$k =~ s/\//::/g;
3654		4112
3655	if (my $cb = $k->can ("unload_module")) {	4113	if (my $cb = $k->can ("unload_module")) {
3656	$cb->();	4114	$cb->();
		4115	}
		4116
		4117	clear_package $k;
3657	}	4118	}
3658		4119
3659	Symbol::delete_package $k;
3660	}
3661
3662	warn "getting rid of safe::, as good as possible";	4120	trace "perl_reload: getting rid of safe::, as good as possible";
3663	Symbol::delete_package "safe::$_"	4121	clear_package "safe::$_"
3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4122	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3665		4123
3666	warn "unloading cf.pm \"a bit\"";	4124	trace "perl_reload: unloading cf.pm \"a bit\"";
3667	delete $INC{"cf.pm"};	4125	delete $INC{"cf.pm"};
3668	delete $INC{"cf/pod.pm"};	4126	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3669		4127
3670	# don't, removes xs symbols, too,	4128	# don't, removes xs symbols, too,
3671	# and global variables created in xs	4129	# and global variables created in xs
3672	#Symbol::delete_package __PACKAGE__;	4130	#clear_package __PACKAGE__;
3673		4131
3674	warn "unload completed, starting to reload now";	4132	info "perl_reload: unload completed, starting to reload now";
3675		4133
3676	warn "reloading cf.pm";	4134	trace "perl_reload: reloading cf.pm";
3677	require cf;	4135	require cf;
3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4136	cf::_connect_to_perl_1;
3679		4137
3680	warn "loading config and database again";	4138	trace "perl_reload: loading config and database again";
3681	cf::reload_config;	4139	cf::reload_config;
3682		4140
3683	warn "loading extensions";	4141	trace "perl_reload: loading extensions";
3684	cf::load_extensions;	4142	cf::load_extensions;
3685		4143
		4144	if ($REATTACH_ON_RELOAD) {
3686	warn "reattaching attachments to objects/players";	4145	trace "perl_reload: reattaching attachments to objects/players";
3687	_global_reattach; # objects, sockets	4146	_global_reattach; # objects, sockets
3688	warn "reattaching attachments to maps";	4147	trace "perl_reload: reattaching attachments to maps";
3689	reattach $_ for values %MAP;	4148	reattach $_ for values %MAP;
3690	warn "reattaching attachments to players";	4149	trace "perl_reload: reattaching attachments to players";
3691	reattach $_ for values %PLAYER;	4150	reattach $_ for values %PLAYER;
		4151	}
3692		4152
3693	warn "leaving sync_job";	4153	cf::_post_init 1;
3694		4154
		4155	trace "perl_reload: leaving sync_job";
		4156
3695	1	4157	1
3696	} or do {	4158	} or do {
3697	warn $@;	4159	error $@;
3698	cf::cleanup "error while reloading, exiting.";	4160	cf::cleanup "perl_reload: error, exiting.";
		4161	};
		4162
		4163	--$RELOAD;
3699	};	4164	}
3700		4165
3701	warn "reloaded";	4166	$t1 = AE::time - $t1;
		4167	info "perl_reload: completed in ${t1}s\n";
3702	};	4168	};
3703		4169
3704	our $RELOAD_WATCHER; # used only during reload	4170	our $RELOAD_WATCHER; # used only during reload
3705		4171
3706	sub reload_perl() {	4172	sub reload_perl() {
3707	# doing reload synchronously and two reloads happen back-to-back,	4173	# doing reload synchronously and two reloads happen back-to-back,
3708	# coro crashes during coro_state_free->destroy here.	4174	# coro crashes during coro_state_free->destroy here.
3709		4175
		4176	$RELOAD_WATCHER ||= cf::async {
		4177	Coro::AIO::aio_wait cache_extensions;
		4178
3710	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4179	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3711	do_reload_perl;	4180	do_reload_perl;
3712	undef $RELOAD_WATCHER;	4181	undef $RELOAD_WATCHER;
		4182	};
3713	};	4183	};
3714	}	4184	}
3715		4185
3716	register_command "reload" => sub {	4186	register_command "reload" => sub {
3717	my ($who, $arg) = @_;	4187	my ($who, $arg) = @_;
…		…
3723	reload_perl;	4193	reload_perl;
3724	};	4194	};
3725	}	4195	}
3726	};	4196	};
3727		4197
3728	unshift @INC, $LIBDIR;	4198	#############################################################################
3729		4199
3730	my $bug_warning = 0;	4200	my $bug_warning = 0;
3731		4201
3732	our @WAIT_FOR_TICK;
3733	our @WAIT_FOR_TICK_BEGIN;
3734
3735	sub wait_for_tick {	4202	sub wait_for_tick() {
3736	return if tick_inhibit || $Coro::current == $Coro::main;	4203	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3737		4204
3738	my $signal = new Coro::Signal;	4205	$WAIT_FOR_TICK->wait;
3739	push @WAIT_FOR_TICK, $signal;
3740	$signal->wait;
3741	}	4206	}
3742		4207
3743	sub wait_for_tick_begin {	4208	sub wait_for_tick_begin() {
3744	return if tick_inhibit || $Coro::current == $Coro::main;	4209	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3745		4210
3746	my $signal = new Coro::Signal;	4211	my $signal = new Coro::Signal;
3747	push @WAIT_FOR_TICK_BEGIN, $signal;	4212	push @WAIT_FOR_TICK_BEGIN, $signal;
3748	$signal->wait;	4213	$signal->wait;
3749	}	4214	}
…		…
3753	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4218	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3754	unless ++$bug_warning > 10;	4219	unless ++$bug_warning > 10;
3755	return;	4220	return;
3756	}	4221	}
3757		4222
3758	cf::server_tick; # one server iteration	4223	cf::one_tick; # one server iteration
		4224
		4225	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3759		4226
3760	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4227	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3761	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4228	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3762	Coro::async_pool {	4229	Coro::async_pool {
3763	$Coro::current->{desc} = "runtime saver";	4230	$Coro::current->{desc} = "runtime saver";
3764	write_runtime_sync	4231	write_runtime_sync
3765	or warn "ERROR: unable to write runtime file: $!";	4232	or error "ERROR: unable to write runtime file: $!";
3766	};	4233	};
3767	}	4234	}
3768		4235
3769	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3770	$sig->send;	4237	$sig->send;
3771	}	4238	}
3772	while (my $sig = shift @WAIT_FOR_TICK) {	4239	$WAIT_FOR_TICK->broadcast;
3773	$sig->send;
3774	}
3775		4240
3776	$LOAD = ($NOW - $TICK_START) / $TICK;	4241	$LOAD = ($NOW - $TICK_START) / $TICK;
3777	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4242	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3778		4243
3779	if (0) {	4244	if (0) {
3780	if ($NEXT_TICK) {	4245	if ($NEXT_TICK) {
3781	my $jitter = $TICK_START - $NEXT_TICK;	4246	my $jitter = $TICK_START - $NEXT_TICK;
3782	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4247	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3783	warn "jitter $JITTER\n";#d#	4248	debug "jitter $JITTER\n";#d#
3784	}	4249	}
3785	}	4250	}
3786	}	4251	}
3787		4252
3788	{	4253	{
3789	# configure BDB	4254	# configure BDB
		4255	info "initialising database";
3790		4256
3791	BDB::min_parallel 8;	4257	BDB::min_parallel 16;
3792	BDB::max_poll_reqs $TICK * 0.1;	4258	BDB::max_poll_reqs $TICK * 0.1;
3793	$AnyEvent::BDB::WATCHER->priority (1);	4259	#$AnyEvent::BDB::WATCHER->priority (1);
3794		4260
3795	unless ($DB_ENV) {	4261	unless ($DB_ENV) {
3796	$DB_ENV = BDB::db_env_create;	4262	$DB_ENV = BDB::db_env_create;
3797	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4263	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3798	| BDB::LOG_AUTOREMOVE, 1);	4264	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4265	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3799	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4266	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3800	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4267	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3801		4268
3802	cf::sync_job {	4269	cf::sync_job {
3803	eval {	4270	eval {
…		…
3822	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4289	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3823	};	4290	};
3824	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4291	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3825	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4292	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3826	};	4293	};
		4294
		4295	info "database initialised";
3827	}	4296	}
3828		4297
3829	{	4298	{
3830	# configure IO::AIO	4299	# configure IO::AIO
3831		4300
		4301	info "initialising aio";
3832	IO::AIO::min_parallel 8;	4302	IO::AIO::min_parallel 8;
3833	IO::AIO::max_poll_time $TICK * 0.1;	4303	IO::AIO::max_poll_time $TICK * 0.1;
3834	$AnyEvent::AIO::WATCHER->priority (1);	4304	undef $AnyEvent::AIO::WATCHER;
		4305	info "aio initialised";
3835	}	4306	}
3836		4307
3837	my $_log_backtrace;	4308	our $_log_backtrace;
		4309	our $_log_backtrace_last;
3838		4310
3839	sub _log_backtrace {	4311	sub _log_backtrace {
3840	my ($msg, @addr) = @_;	4312	my ($msg, @addr) = @_;
3841		4313
3842	$msg =~ s/\n//;	4314	$msg =~ s/\n$//;
3843		4315
		4316	if ($_log_backtrace_last eq $msg) {
		4317	LOG llevInfo, "[ABT] $msg\n";
		4318	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3844	# limit the # of concurrent backtraces	4319	# limit the # of concurrent backtraces
3845	if ($_log_backtrace < 2) {	4320	} elsif ($_log_backtrace < 2) {
		4321	$_log_backtrace_last = $msg;
3846	++$_log_backtrace;	4322	++$_log_backtrace;
		4323	my $perl_bt = Carp::longmess $msg;
3847	async {	4324	async {
3848	$Coro::current->{desc} = "abt $msg";	4325	$Coro::current->{desc} = "abt $msg";
3849		4326
3850	my @bt = fork_call {	4327	my @bt = fork_call {
3851	@addr = map { sprintf "%x", $_ } @addr;	4328	@addr = map { sprintf "%x", $_ } @addr;
…		…
3862	}	4339	}
3863		4340
3864	@funcs	4341	@funcs
3865	};	4342	};
3866		4343
3867	LOG llevInfo, "[ABT] $msg\n";	4344	LOG llevInfo, "[ABT] $perl_bt\n";
		4345	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3868	LOG llevInfo, "[ABT] $_\n" for @bt;	4346	LOG llevInfo, "[ABT] $_\n" for @bt;
3869	--$_log_backtrace;	4347	--$_log_backtrace;
3870	};	4348	};
3871	} else {	4349	} else {
3872	LOG llevInfo, "[ABT] $msg\n";	4350	LOG llevInfo, "[ABT] $msg\n";
3873	LOG llevInfo, "[ABT] [suppressed]\n";	4351	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3874	}	4352	}
3875	}	4353	}
3876		4354
3877	# load additional modules	4355	# load additional modules
3878	use cf::pod;	4356	require "cf/$_.pm" for @EXTRA_MODULES;
		4357	cf::_connect_to_perl_2;
3879		4358
3880	END { cf::emergency_save }	4359	END { cf::emergency_save }
3881		4360
3882	1	4361	1
3883		4362

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