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Revision 1.434 by root, Thu May 29 03:27:37 2008 UTC vs.
Revision 1.597 by root, Sun Nov 11 02:14:37 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;
		44	use Coro::EV;
39	use Coro::AnyEvent;	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;	63	use Time::HiRes;
57	use Compress::LZF;	64	use Compress::LZF;
58	use Digest::MD5 ();	65	use Digest::MD5 ();
59		66
60	AnyEvent::detect;	67	AnyEvent::detect;
61		68
62	IO::AIO::max_poll_reqs 1;#d#
63
64	# configure various modules to our taste	69	# configure various modules to our taste
65	#	70	#
66	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69		79
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		82
72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
73		86
74	our %COMMAND = ();	87	our %COMMAND = ();
75	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
76		89
77	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
78	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
79	our %EXTICMD = ();	93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
82		97
83	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
85		102
86	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
87	our $DATADIR = datadir;	105	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
91	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
97	our %RESOURCE;	116	our $PIDFILE = "$LOCALDIR/pid";
		117	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		118
		119	#our %RESOURCE; # unused
		120
		121	our $OUTPUT_RATE_MIN = 3000;
		122	our $OUTPUT_RATE_MAX = 1000000;
		123
		124	our $MAX_LINKS = 32; # how many chained exits to follow
		125	our $VERBOSE_IO = 1;
98		126
99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101	our $NEXT_TICK;	129	our $NEXT_TICK;
102	our $USE_FSYNC = 1; # use fsync to write maps - default off	130	our $USE_FSYNC = 1; # use fsync to write maps - default on
103		131
104	our $BDB_DEADLOCK_WATCHER;	132	our $BDB_DEADLOCK_WATCHER;
105	our $BDB_CHECKPOINT_WATCHER;	133	our $BDB_CHECKPOINT_WATCHER;
106	our $BDB_TRICKLE_WATCHER;	134	our $BDB_TRICKLE_WATCHER;
107	our $DB_ENV;	135	our $DB_ENV;
108		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
109	our %CFG;	139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
110		141
111	our $UPTIME; $UPTIME ||= time;	142	our $UPTIME; $UPTIME ||= time;
112	our $RUNTIME;	143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
113	our $NOW;	145	our $NOW;
114		146
115	our (%PLAYER, %PLAYER_LOADING); # all users	147	our (%PLAYER, %PLAYER_LOADING); # all users
116	our (%MAP, %MAP_LOADING ); # all maps	148	our (%MAP, %MAP_LOADING ); # all maps
117	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
…		…
122	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	154	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
123	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
124	our $JITTER; # average jitter	156	our $JITTER; # average jitter
125	our $TICK_START; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
126		158
		159	our @POST_INIT;
		160
		161	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		162	our $REALLY_UNLOOP; # never set to true, please :)
		163
		164	our $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
		166
127	binmode STDOUT;	167	binmode STDOUT;
128	binmode STDERR;	168	binmode STDERR;
129		169
130	# read virtual server time, if available	170	# read virtual server time, if available
131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
132	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
133	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
134	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
135	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
136		178
137	mkdir $_	179	mkdir $_
138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139		181
140	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
141		183
142	sub cf::map::normalise;	184	sub cf::map::normalise;
143		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
144	#############################################################################	190	#############################################################################
145		191
		192	%REFLECT = ();
		193	for (@REFLECT) {
		194	my $reflect = JSON::XS::decode_json $_;
		195	$REFLECT{$reflect->{class}} = $reflect;
		196	}
		197
		198	# this is decidedly evil
		199	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		200
		201	#############################################################################
		202
146	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
147		204
148	=over 4	205	=over 4
149		206
150	=item $cf::UPTIME	207	=item $cf::UPTIME
151		208
152	The timestamp of the server start (so not actually an uptime).	209	The timestamp of the server start (so not actually an "uptime").
		210
		211	=item $cf::SERVER_TICK
		212
		213	An unsigned integer that starts at zero when the server is started and is
		214	incremented on every tick.
		215
		216	=item $cf::NOW
		217
		218	The (real) time of the last (current) server tick - updated before and
		219	after tick processing, so this is useful only as a rough "what time is it
		220	now" estimate.
		221
		222	=item $cf::TICK
		223
		224	The interval between each server tick, in seconds.
153		225
154	=item $cf::RUNTIME	226	=item $cf::RUNTIME
155		227
156	The time this server has run, starts at 0 and is increased by $cf::TICK on	228	The time this server has run, starts at 0 and is increased by $cf::TICK on
157	every server tick.	229	every server tick.
158		230
159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
162		234
163	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
165	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
166	database environment.	238	database environment.
167		239
168	=item $cf::NOW
169
170	The time of the last (current) server tick.
171
172	=item $cf::TICK
173
174	The interval between server ticks, in seconds.
175
176	=item $cf::LOADAVG	240	=item $cf::LOADAVG
177		241
178	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
179	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
180	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
189	from wherever your confdir points to.	253	from wherever your confdir points to.
190		254
191	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
192		256
193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
194	returns directly I<after> the tick processing (and consequently, can only wake one process	258	returns directly I<after> the tick processing (and consequently, can only wake one thread
195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
196		260
		261	Note that cf::Wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$cf::WAIT_FOR_TICK>).
		265
		266	=item $cf::WAIT_FOR_TICK
		267
		268	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		269	variable contains a L<Coro::Signal> that is broadcats after every server
		270	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		271	next server tick.
		272
		273	=cut
		274
		275	sub wait_for_tick();
		276	sub wait_for_tick_begin();
		277
197	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
198		279
199	This array contains the results of the last C<invoke ()> call. When	280	This array contains the results of the last C<invoke ()> call. When
200	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	281	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
201	that call.	282	that call.
202		283
		284	=item %cf::REFLECT
		285
		286	Contains, for each (C++) class name, a hash reference with information
		287	about object members (methods, scalars, arrays and flags) and other
		288	metadata, which is useful for introspection.
		289
203	=back	290	=back
204		291
205	=cut	292	=cut
206		293
207	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
208	*CORE::GLOBAL::warn = sub {	295	sub warn (@) { LOG llevWarn , join "", @_ }
		296	sub info (@) { LOG llevInfo , join "", @_ }
		297	sub debug(@) { LOG llevDebug, join "", @_ }
		298	sub trace(@) { LOG llevTrace, join "", @_ }
		299
		300	$Coro::State::WARNHOOK = sub {
209	my $msg = join "", @_;	301	my $msg = join "", @_;
210		302
211	$msg .= "\n"	303	$msg .= "\n"
212	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
213		305
214	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	306	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
215		307
216	LOG llevError, $msg;	308	LOG llevWarn, $msg;
217	};	309	};
218	}
219		310
220	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
221	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
222		313
223	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
224	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
225	return;#d#	318	return;#d#
226	}#d#	319	}#d#
227		320
228	# kill coroutine otherwise	321	# kill coroutine otherwise
229	warn Carp::longmess $_[0];
230	Coro::terminate	322	Coro::terminate
231	};	323	};
232
233	$SIG{__DIE__} = sub { }; #d#?
234		324
235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
245	for my $pkg (qw(	335	for my $pkg (qw(
246	cf::global cf::attachable	336	cf::global cf::attachable
247	cf::object cf::object::player	337	cf::object cf::object::player
248	cf::client cf::player	338	cf::client cf::player
249	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
250	cf::map cf::party cf::region	341	cf::party cf::region
251	)) {	342	)) {
252	no strict 'refs';
253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254	}	344	}
255		345
256	$EV::DIED = sub {	346	$EV::DIED = sub {
257	warn "error in event callback: @_";	347	warn "error in event callback: $@";
258	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
259		354
260	#############################################################################	355	#############################################################################
261		356
262	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
263		358
…		…
284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
285	$d	380	$d
286	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
287	}	382	}
288		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($path, $data, $sync) = @_;
		407
		408	my $lock = cf::lock_acquire ("replace_file:$path");
		409
		410	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		411	or return;
		412
		413	$data = $data->() if ref $data;
		414
		415	length $data == aio_write $fh, 0, (length $data), $data, 0
		416	or return;
		417
		418	!$sync
		419	or !aio_fsync $fh
		420	or return;
		421
		422	aio_close $fh
		423	and return;
		424
		425	aio_rename "$path~", $path
		426	and return;
		427
		428	if ($sync) {
		429	$path =~ s%/[^/]*$%%;
		430	aio_pathsync $path;
		431	}
		432
		433	1
		434	}
		435
289	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
290		437
291	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
292		439
293	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300		447
301	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
302	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
303		450
		451	=item $ref = cf::decode_storable $scalar
		452
		453	Same as Coro::Storable::thaw, so blocks.
		454
		455	=cut
		456
		457	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		458
		459	=item $ref = cf::decode_yaml $scalar
		460
		461	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		462
		463	=cut
		464
		465	sub decode_yaml($) {
		466	fork_call { YAML::XS::Load $_[0] } @_
		467	}
		468
		469	=item $scalar = cf::unlzf $scalar
		470
		471	Same as Compress::LZF::compress, but takes server ticks into account, so
		472	blocks.
		473
		474	=cut
		475
		476	sub unlzf($) {
		477	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		478	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		479	Compress::LZF::decompress $_[0]
		480	}
		481
		482	=item cf::post_init { BLOCK }
		483
		484	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		485	but I<before> the server starts ticking again.
		486
		487	The codeblock will have a single boolean argument to indicate whether this
		488	is a reload or not.
		489
		490	=cut
		491
		492	sub post_init(&) {
		493	push @POST_INIT, shift;
		494	}
		495
		496	sub _post_init {
		497	trace "running post_init jobs";
		498
		499	# run them in parallel...
		500
		501	my @join;
		502
		503	while () {
		504	push @join, map &Coro::async ($_, 0), @POST_INIT;
		505	@POST_INIT = ();
		506
		507	@join or last;
		508
		509	(pop @join)->join;
		510	}
		511	}
		512
304	=item cf::lock_wait $string	513	=item cf::lock_wait $string
305		514
306	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
307		516
308	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
309		518
310	Wait until the given lock is available and then acquires it and returns	519	Wait until the given lock is available and then acquires it and returns
311	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	520	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
312	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
313	returned.	522	returned.
314		523
315	Locks are *not* recursive, locking from the same coro twice results in a	524	Locks are *not* recursive, locking from the same coro twice results in a
316	deadlocked coro.	525	deadlocked coro.
…		…
322		531
323	Return true if the lock is currently active, i.e. somebody has locked it.	532	Return true if the lock is currently active, i.e. somebody has locked it.
324		533
325	=cut	534	=cut
326		535
327	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
328	our %LOCKER;#d#
329		537
330	sub lock_wait($) {	538	sub lock_wait($) {
331	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
332
333	if ($LOCKER{$key} == $Coro::current) {#d#
334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335	return;#d#
336	}#d#
337
338	# wait for lock, if any
339	while ($LOCK{$key}) {
340	push @{ $LOCK{$key} }, $Coro::current;
341	Coro::schedule;
342	}
343	}	540	}
344		541
345	sub lock_acquire($) {	542	sub lock_acquire($) {
346	my ($key) = @_;	543	$LOCKS->guard ($_[0])
347
348	# wait, to be sure we are not locked
349	lock_wait $key;
350
351	$LOCK{$key} = [];
352	$LOCKER{$key} = $Coro::current;#d#
353
354	Coro::guard {
355	delete $LOCKER{$key};#d#
356	# wake up all waiters, to be on the safe side
357	$_->ready for @{ delete $LOCK{$key} };
358	}
359	}	544	}
360		545
361	sub lock_active($) {	546	sub lock_active($) {
362	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
363
364	! ! $LOCK{$key}
365	}	548	}
366		549
367	sub freeze_mainloop {	550	sub freeze_mainloop {
368	tick_inhibit_inc;	551	tick_inhibit_inc;
369		552
370	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
371	}	554	}
372		555
373	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
374		557
375	Like EV::periodic, but randomly selects a starting point so that the actions	558	Like EV::periodic, but randomly selects a starting point so that the actions
376	get spread over timer.	559	get spread over time.
377		560
378	=cut	561	=cut
379		562
380	sub periodic($$) {	563	sub periodic($$) {
381	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
385	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
386	}	569	}
387		570
388	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
389		572
390	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
391	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
392	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$time> seconds of cpu time till the next tick. The slot is only valid
		576	till the next cede.
		577
		578	Background jobs should use a priority les than zero, interactive jobs
		579	should use 100 or more.
393		580
394	The optional C<$name> can be used to identify the job to run. It might be	581	The optional C<$name> can be used to identify the job to run. It might be
395	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
396		583
397	Useful for short background jobs.	584	Useful for short background jobs.
398		585
399	=cut	586	=cut
400		587
401	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
402	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
403		591
404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
406	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
407		595
408	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
409		598
410	while () {	599	while () {
411	next_job:	600	next_job:
		601
412	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
413	if ($avail > 0.01) {	603
414	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
415	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
416	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
417	$job->[2]->send;	608	$job->[2]->send;
418	Coro::cede;	609	Coro::cede;
419	goto next_job;	610	goto next_job;
420	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
421	}	613	}
422	}	614	}
423		615
424	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
425	# we do not use wait_for_tick() as it returns immediately when tick is inactive	617	# we do not use wait_for_tick() as it returns immediately when tick is inactive
426	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
427	$signal->wait;
428	} else {	619	} else {
		620	$busy = 0;
429	Coro::schedule;	621	Coro::schedule;
430	}	622	}
431	}	623	}
432	};	624	};
433		625
434	sub get_slot($;$$) {	626	sub get_slot($;$$) {
435	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
436		628
437	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
438		630
439	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
440	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
441		634
442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
470	=cut	663	=cut
471		664
472	sub sync_job(&) {	665	sub sync_job(&) {
473	my ($job) = @_;	666	my ($job) = @_;
474		667
475	if ($Coro::current == $Coro::main) {	668	if (in_main) {
476	my $time = EV::time;	669	my $time = AE::time;
477		670
478	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
479	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
480		673
481	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
482		675
483	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
484		677
485	my $busy = 1;	678	my $busy = 1;
486	my @res;	679	my @res;
487		680
488	(async {	681	(async {
489	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
490	@res = eval { $job->() };	683	@res = eval { $job->() };
491	warn $@ if $@;	684	error $@ if $@;
492	undef $busy;	685	undef $busy;
493	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
494		687
495	while ($busy) {	688	while ($busy) {
496	if (Coro::nready) {	689	if (Coro::nready) {
…		…
498	} else {	691	} else {
499	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
500	}	693	}
501	}	694	}
502		695
503	my $time = EV::time - $time;	696	my $time = AE::time - $time;
504		697
505	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
506		699
507	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
508	} else {	701	} else {
…		…
530	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
531		724
532	$coro	725	$coro
533	}	726	}
534		727
535	=item fork_call { }, $args	728	=item fork_call { }, @args
536		729
537	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
538	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
539	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
540	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
541		734
542	=cut	735	=cut
543		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
544	sub fork_call(&@) {	741	sub fork_call(&@) {
545	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
546		743
547	# we seemingly have to make a local copy of the whole thing,	744	# we seemingly have to make a local copy of the whole thing,
548	# otherwise perl prematurely frees the stuff :/	745	# otherwise perl prematurely frees the stuff :/
549	# TODO: investigate and fix (likely this will be rather laborious)	746	# TODO: investigate and fix (likely this will be rather laborious)
550		747
551	my @res = Coro::Util::fork_eval {	748	my @res = Coro::Util::fork_eval {
552	reset_signals;	749	cf::post_fork;
553	&$cb	750	&$cb
554	}, @args;	751	} @args;
555		752
556	wantarray ? @res : $res[-1]	753	wantarray ? @res : $res[-1]
		754	}
		755
		756	sub objinfo {
		757	(
		758	"counter value" => cf::object::object_count,
		759	"objects created" => cf::object::create_count,
		760	"objects destroyed" => cf::object::destroy_count,
		761	"freelist size" => cf::object::free_count,
		762	"allocated objects" => cf::object::objects_size,
		763	"active objects" => cf::object::actives_size,
		764	)
557	}	765	}
558		766
559	=item $coin = coin_from_name $name	767	=item $coin = coin_from_name $name
560		768
561	=cut	769	=cut
…		…
598	within each server.	806	within each server.
599		807
600	=cut	808	=cut
601		809
602	sub db_table($) {	810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
603	my ($name) = @_;	814	my ($name) = @_;
604	my $db = BDB::db_create $DB_ENV;	815	my $db = BDB::db_create $DB_ENV;
605		816
606	eval {	817	eval {
607	$db->set_flags (BDB::CHKSUM);	818	$db->set_flags (BDB::CHKSUM);
…		…
617	}	828	}
618		829
619	our $DB;	830	our $DB;
620		831
621	sub db_init {	832	sub db_init {
622	cf::sync_job {
623	$DB ||= db_table "db";	833	$DB ||= db_table "db";
624	};
625	}	834	}
626		835
627	sub db_get($$) {	836	sub db_get($$) {
628	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
629		838
630	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
631	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
632		843
633	$! ? ()	844	$! ? ()
634	: $data	845	: $data
635	}
636	}	846	}
637		847
638	sub db_put($$$) {	848	sub db_put($$$) {
639	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
668		878
669	my @data;	879	my @data;
670	my $md5;	880	my $md5;
671		881
672	for (0 .. $#$src) {	882	for (0 .. $#$src) {
673	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
674	or Carp::croak "$src->[$_]: $!";
675	}	884	}
676		885
677	# if processing is expensive, check	886	# if processing is expensive, check
678	# checksum first	887	# checksum first
679	if (1) {	888	if (1) {
…		…
696		905
697	my $t1 = Time::HiRes::time;	906	my $t1 = Time::HiRes::time;
698	my $data = $process->(\@data);	907	my $data = $process->(\@data);
699	my $t2 = Time::HiRes::time;	908	my $t2 = Time::HiRes::time;
700		909
701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
702		911
703	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
704	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
705	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
706		915
…		…
716		925
717	=cut	926	=cut
718		927
719	sub datalog($@) {	928	sub datalog($@) {
720	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
722	}	931	}
723		932
724	=back	933	=back
725		934
726	=cut	935	=cut
727		936
728	#############################################################################	937	#############################################################################
729		938
730	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
731		940
732	Many objects in crossfire are so-called attachable objects. That means you can	941	Many objects in deliantra are so-called attachable objects. That means you can
733	attach callbacks/event handlers (a collection of which is called an "attachment")	942	attach callbacks/event handlers (a collection of which is called an "attachment")
734	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
735		944
736	In the following description, CLASS can be any of C<global>, C<object>	945	In the following description, CLASS can be any of C<global>, C<object>
737	C<player>, C<client> or C<map> (i.e. the attachable objects in	946	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
787	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
788		997
789	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
790	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
791		1000
792	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
793	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
794		1003
795	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
796		1005
797	=over 4	1006	=over 4
…		…
921		1130
922	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
923	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
924		1133
925	} elsif (ref $type) {	1134	} elsif (ref $type) {
926	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
927		1136
928	} else {	1137	} else {
929	shift @arg;	1138	shift @arg;
930	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
931	}	1140	}
932	}	1141	}
933	}	1142	}
934		1143
935	sub _object_attach {	1144	sub _object_attach {
…		…
945	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
946	}	1155	}
947		1156
948	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
949	} else {	1158	} else {
950	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
951	}	1160	}
952		1161
953	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
954	}	1163	}
955		1164
…		…
1014		1223
1015	for (@$callbacks) {	1224	for (@$callbacks) {
1016	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
1017		1226
1018	if ($@) {	1227	if ($@) {
1019	warn "$@";
1020	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1021	override;	1229	override;
1022	}	1230	}
1023		1231
1024	return 1 if $override;	1232	return 1 if $override;
1025	}	1233	}
…		…
1088		1296
1089	sub reattach {	1297	sub reattach {
1090	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
1091	my ($obj) = @_;	1299	my ($obj) = @_;
1092		1300
		1301	# no longer needed after getting rid of delete_package?
1093	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1302	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1094		1303
1095	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
1096		1305
1097	@$registry = ();	1306	@$registry = ();
1098		1307
…		…
1103	for (@$attach) {	1312	for (@$attach) {
1104	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
1105	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
1106	}	1315	}
1107	} else {	1316	} else {
1108	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
1109	}	1318	}
1110	}	1319	}
1111	}	1320	}
1112		1321
1113	cf::attachable->attach (	1322	cf::attachable->attach (
…		…
1140	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
1141		1350
1142	sync_job {	1351	sync_job {
1143	if (length $$rdata) {	1352	if (length $$rdata) {
1144	utf8::decode (my $decname = $filename);	1353	utf8::decode (my $decname = $filename);
1145	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
1146	$decname, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
1147		1357
1148	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1149	aio_chmod $fh, SAVE_MODE;	1359	aio_chmod $fh, SAVE_MODE;
1150	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1151	aio_fsync $fh if $cf::USE_FSYNC;	1361	if ($cf::USE_FSYNC) {
		1362	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1363	aio_fsync $fh;
		1364	}
1152	aio_close $fh;	1365	aio_close $fh;
1153		1366
1154	if (@$objs) {	1367	if (@$objs) {
1155	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1368	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1156	aio_chmod $fh, SAVE_MODE;	1369	aio_chmod $fh, SAVE_MODE;
1157	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1158	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
1159	aio_fsync $fh if $cf::USE_FSYNC;	1372	if ($cf::USE_FSYNC) {
		1373	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1374	aio_fsync $fh;
		1375	}
1160	aio_close $fh;	1376	aio_close $fh;
1161	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
1162	}	1378	}
1163	} else {	1379	} else {
1164	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
1165	}	1381	}
1166		1382
1167	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
1168	} else {	1387	} else {
1169	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
1170	}	1389	}
1171	} else {	1390	} else {
1172	aio_unlink $filename;	1391	aio_unlink $filename;
1173	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1174	}	1393	}
…		…
1198	my $st = eval { Coro::Storable::thaw $av };	1417	my $st = eval { Coro::Storable::thaw $av };
1199	$av = $st->{objs};	1418	$av = $st->{objs};
1200	}	1419	}
1201		1420
1202	utf8::decode (my $decname = $filename);	1421	utf8::decode (my $decname = $filename);
1203	warn sprintf "loading %s (%d,%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1204	$decname, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
1205		1425
1206	($data, $av)	1426	($data, $av)
1207	}	1427	}
1208		1428
1209	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
…		…
1213	=cut	1433	=cut
1214		1434
1215	#############################################################################	1435	#############################################################################
1216	# command handling &c	1436	# command handling &c
1217		1437
1218	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1219		1439
1220	Register a callback for execution when the client sends the user command	1440	Register a callback for execution when the client sends the user command
1221	$name.	1441	$name.
1222		1442
1223	=cut	1443	=cut
…		…
1229	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1230		1450
1231	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1232	}	1452	}
1233		1453
1234	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1235		1455
1236	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1237	extcmd packet. Ext commands will be processed in the order they are	1457	extcmd packet. Ext commands will be processed in the order they are
1238	received by the server, like other user commands. The first argument is	1458	received by the server, like other user commands. The first argument is
1239	the logged-in player. Ext commands can only be processed after a player	1459	the logged-in player. Ext commands can only be processed after a player
1240	has logged in successfully.	1460	has logged in successfully.
1241		1461
1242	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1243	called.
1244		1463
		1464	=item cf::register_async_extcmd $name => \&callback($pl,$reply->(...),@args)
		1465
		1466	Same as C<cf::register_extcmd>, but instead of returning values, the
		1467	callback needs to clal the C<$reply> function.
		1468
1245	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1246		1470
1247	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1248	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1249	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1250	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1251	log-in.	1475	log-in.
1252		1476
1253	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1254	called.
1255		1478
1256	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1257		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1258	sub register_extcmd {	1486	sub register_extcmd($$) {
1259	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1260		1488
1261	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1262	}	1490	}
1263		1491
1264	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1265	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1266		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1267	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1268	}	1502	}
1269		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1270	cf::player->attach (	1512	cf::player->attach (
1271	on_command => sub {	1513	on_unknown_command => sub {
1272	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1273		1515
1274	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1275	or return;	1517	or return;
1276		1518
…		…
1284	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1285		1527
1286	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1287		1529
1288	if (ref $msg) {	1530	if (ref $msg) {
1289	my ($type, $reply, @payload) =	1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1290	"ARRAY" eq ref $msg
1291	? @$msg
1292	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1293		1532
1294	my @reply;
1295
1296	if (my $cb = $EXTCMD{$type}) {	1533	if (my $cb = $EXTACMD{$type}) {
		1534	$cb->(
		1535	$pl,
		1536	sub {
		1537	$pl->ext_msg ("reply-$reply", @_)
		1538	if $reply;
		1539	},
		1540	@payload
		1541	);
		1542	} else {
		1543	my @reply;
		1544
		1545	if (my $cb = $EXTCMD{$type}) {
1297	@reply = $cb->($pl, @payload);	1546	@reply = $cb->($pl, @payload);
		1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1298	}	1551	}
1299		1552
1300	$pl->ext_reply ($reply, @reply)
1301	if $reply;
1302
1303	} else {	1553	} else {
1304	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1305	}	1555	}
1306		1556
1307	cf::override;	1557	cf::override;
1308	},	1558	},
1309	);	1559	);
1310		1560
		1561	# "readahead" all extensions
		1562	sub cache_extensions {
		1563	my $grp = IO::AIO::aio_group;
		1564
		1565	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1566	for (grep /\.ext$/, @{$_[0]}) {
		1567	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1568	}
		1569	};
		1570
		1571	$grp
		1572	}
		1573
		1574	sub _ext_cfg_reg($$$$) {
		1575	my ($rvar, $varname, $cfgname, $default) = @_;
		1576
		1577	$cfgname = lc $varname
		1578	unless length $cfgname;
		1579
		1580	$EXT_CFG{$cfgname} = [$rvar, $default];
		1581
		1582	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1583	}
		1584
1311	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1312	cf::sync_job {	1590	cf::sync_job {
1313	my %todo;	1591	my %todo;
1314		1592
1315	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1316	next unless -r $path;	1594	next unless -r $path;
…		…
1334		1612
1335	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1336	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1337		1615
1338	$ext{source} =	1616	$ext{source} =
1339	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1340	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1341	. $source	1619	. $source
1342	. "\n};\n1";	1620	. "\n};\n1";
1343		1621
1344	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1345	}	1623	}
1346		1624
		1625	my $pass = 0;
1347	my %done;	1626	my %done;
1348	while (%todo) {	1627	while (%todo) {
1349	my $progress;	1628	my $progress;
1350		1629
		1630	++$pass;
		1631
		1632	ext:
1351	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1352	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1353	goto skip	1635	next ext
1354	unless exists $done{$_};	1636	unless exists $done{$_};
1355	}	1637	}
1356		1638
1357	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1358		1640
1359	unless (eval $v->{source}) {	1641	my $source = $v->{source};
		1642
		1643	# support "CONF varname :confname = default" pseudo-statements
		1644	$source =~ s{
		1645	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1646	}{
		1647	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1648	}gmxe;
		1649
		1650	my $active = eval $source;
		1651
		1652	if (length $@) {
1360	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1361	: "$v->{base}: extension inactive.\n";
1362		1654
1363	if (exists $v->{meta}{mandatory}) {
1364	warn $msg;
1365	cf::cleanup "mandatory extension failed to load, exiting.";	1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1366	}	1656	if exists $v->{meta}{mandatory};
1367		1657
1368	warn $msg;	1658	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1659	delete $todo{$k};
		1660	} else {
		1661	$done{$k} = delete $todo{$k};
		1662	push @EXTS, $v->{pkg};
		1663	$progress = 1;
		1664
		1665	info "$v->{base}: extension inactive.\n"
		1666	unless $active;
1369	}	1667	}
1370
1371	$done{$k} = delete $todo{$k};
1372	push @EXTS, $v->{pkg};
1373	$progress = 1;
1374	}	1668	}
1375		1669
1376	skip:	1670	unless ($progress) {
1377	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1378	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1379	}	1680	}
1380	};	1681	};
1381	}	1682	}
1382		1683
1383	#############################################################################	1684	#############################################################################
1384		1685
1385	=back	1686	=back
1386		1687
1387	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1388		1689
1389	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1390		1691
1391	=cut	1692	=cut
1392		1693
1393	package cf::player;	1694	package cf::player;
1394		1695
…		…
1437		1738
1438	sub exists($) {	1739	sub exists($) {
1439	my ($login) = @_;	1740	my ($login) = @_;
1440		1741
1441	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1442	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1443	}	1744	}
1444		1745
1445	sub find($) {	1746	sub find($) {
1446	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1447	my $login = $_[0];	1748	my $login = $_[0];
…		…
1467	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1468	}	1769	}
1469	}	1770	}
1470	}	1771	}
1471		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($pl, $path) = @_;
		1776
		1777	# restore slots saved in save, below
		1778	my $slots = delete $pl->{_slots};
		1779
		1780	$pl->ob->current_weapon ($slots->[0]);
		1781	$pl->combat_ob ($slots->[1]);
		1782	$pl->ranged_ob ($slots->[2]);
		1783	},
		1784	);
		1785
1472	sub save($) {	1786	sub save($) {
1473	my ($pl) = @_;	1787	my ($pl) = @_;
1474		1788
1475	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
1476		1790
…		…
1481		1795
1482	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1483	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1484		1798
1485	cf::get_slot 0.01;	1799	cf::get_slot 0.01;
		1800
		1801	# save slots, to be restored later
		1802	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1486		1803
1487	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1488	cf::cede_to_tick;	1805	cf::cede_to_tick;
1489	}	1806	}
1490		1807
…		…
1522	my ($pl) = @_;	1839	my ($pl) = @_;
1523		1840
1524	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1525		1842
1526	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1527	$pl->password ("*"); # this should lock out the player until we nuked the dir	1844	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1528		1845
1529	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1530	$pl->deactivate;	1847	$pl->deactivate;
		1848
1531	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1532	$pl->ob->check_score;
1533	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1534	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1535		1854
1536	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1537	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1538	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1592	\@logins	1911	\@logins
1593	}	1912	}
1594		1913
1595	=item $player->maps	1914	=item $player->maps
1596		1915
		1916	=item cf::player::maps $login
		1917
1597	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1598	player. May block.	1919	player. May block.
1599		1920
1600	=cut	1921	=cut
1601		1922
…		…
1618	}	1939	}
1619		1940
1620	\@paths	1941	\@paths
1621	}	1942	}
1622		1943
1623	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1624		1945
1625	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1626
1627	=cut
1628
1629	use re 'eval';
1630
1631	my $group;
1632	my $interior; $interior = qr{
1633	# match a pod interior sequence sans C<< >>
1634	(?:
1635	\ (.*?)\ (?{ $group = $^N })
1636	| < (??{$interior}) >
1637	)
1638	}x;
1639
1640	sub expand_cfpod {
1641	my ($self, $pod) = @_;
1642
1643	my $xml;
1644
1645	while () {
1646	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1647	$group = $1;
1648
1649	$group =~ s/&/&amp;/g;
1650	$group =~ s/</&lt;/g;
1651
1652	$xml .= $group;
1653	} elsif ($pod =~ m%\G
1654	([BCGHITU])
1655	<
1656	(?:
1657	([^<>]*) (?{ $group = $^N })
1658	| < $interior >
1659	)
1660	>
1661	%gcsx
1662	) {
1663	my ($code, $data) = ($1, $group);
1664
1665	if ($code eq "B") {
1666	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1667	} elsif ($code eq "I") {
1668	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1669	} elsif ($code eq "U") {
1670	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1671	} elsif ($code eq "C") {
1672	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1673	} elsif ($code eq "T") {
1674	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1675	} elsif ($code eq "G") {
1676	my ($male, $female) = split /\|/, $data;
1677	$data = $self->gender ? $female : $male;
1678	$xml .= expand_cfpod ($self, $data);
1679	} elsif ($code eq "H") {
1680	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1681	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1682	"")
1683	[$self->{hintmode}];
1684	} else {
1685	$xml .= "error processing '$code($data)' directive";
1686	}
1687	} else {
1688	if ($pod =~ /\G(.+)/) {
1689	warn "parse error while expanding $pod (at $1)";
1690	}
1691	last;
1692	}
1693	}
1694
1695	for ($xml) {
1696	# create single paragraphs (very hackish)
1697	s/(?<=\S)\n(?=\w)/ /g;
1698
1699	# compress some whitespace
1700	s/\s+\n/\n/g; # ws line-ends
1701	s/\n\n+/\n/g; # double lines
1702	s/^\n+//; # beginning lines
1703	s/\n+$//; # ending lines
1704	}
1705
1706	$xml
1707	}
1708
1709	no re 'eval';
1710
1711	sub hintmode {
1712	$_[0]{hintmode} = $_[1] if @_ > 1;
1713	$_[0]{hintmode}
1714	}
1715
1716	=item $player->ext_reply ($msgid, @msg)
1717
1718	Sends an ext reply to the player.
1719
1720	=cut
1721
1722	sub ext_reply($$@) {
1723	my ($self, $id, @msg) = @_;
1724
1725	$self->ns->ext_reply ($id, @msg)
1726	}
1727		1947
1728	=item $player->ext_msg ($type, @msg)	1948	=item $player->ext_msg ($type, @msg)
1729		1949
1730	Sends an ext event to the client.	1950	Sends an ext event to the client.
1731		1951
…		…
1751		1971
1752	=cut	1972	=cut
1753		1973
1754	sub find_by_path($) {	1974	sub find_by_path($) {
1755	my ($path) = @_;	1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
1756		1978
1757	my ($match, $specificity);	1979	my ($match, $specificity);
1758		1980
1759	for my $region (list) {	1981	for my $region (list) {
1760	if ($region->{match} && $path =~ $region->{match}) {	1982	if ($region->{match} && $path =~ $region->{match}) {
…		…
1789	sub generate_random_map {	2011	sub generate_random_map {
1790	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1791		2013
1792	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	2014	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1793		2015
1794	# mit "rum" bekleckern, nicht
1795	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1796	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1797	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1798	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1799	$rmp->{exit_on_final_map},
1800	$rmp->{xsize}, $rmp->{ysize},
1801	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1802	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1803	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1804	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1805	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1806	(cf::region::find $rmp->{region}), $rmp->{custom}
1807	)
1808	}	2017	}
1809		2018
1810	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1811		2020
1812	Register a handler for the map path matching the given regex at the	2021	Register a handler for the map path matching the given regex at the
…		…
1817		2026
1818	sub register {	2027	sub register {
1819	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1820	my $pkg = caller;	2029	my $pkg = caller;
1821		2030
1822	no strict;
1823	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1824		2032
1825	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1826	}	2034	}
1827		2035
1828	# also paths starting with '/'	2036	# also paths starting with '/'
1829	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1830		2038
1831	sub thawer_merge {	2039	sub thawer_merge {
1832	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1833		2041
1834	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1839	}	2047	}
1840		2048
1841	sub normalise {	2049	sub normalise {
1842	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1843		2051
1844	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1845		2053
1846	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1847		2055
1848	# map plan:	2056	# map plan:
1849	#	2057	#
…		…
1864	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1865	$path = "$base/$path";	2073	$path = "$base/$path";
1866	}	2074	}
1867		2075
1868	for ($path) {	2076	for ($path) {
1869	redo if s{//}{/};
1870	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1871	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1872	}	2079	}
1873		2080
1874	$path	2081	$path
…		…
1888	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1889	return $self;	2096	return $self;
1890	}	2097	}
1891	}	2098	}
1892		2099
1893	Carp::cluck "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1894	()	2101	()
1895	}	2102	}
1896		2103
		2104	# may re-bless or do other evil things
1897	sub init {	2105	sub init {
1898	my ($self) = @_;	2106	my ($self) = @_;
1899		2107
1900	$self	2108	$self
1901	}	2109	}
…		…
1932		2140
1933	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1934	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1935	}	2143	}
1936		2144
1937	# and all this just because we cannot iterate over
1938	# all maps in C++...
1939	sub change_all_map_light {
1940	my ($change) = @_;
1941
1942	$_->change_map_light ($change)
1943	for grep $_->outdoor, values %cf::MAP;
1944	}
1945
1946	sub decay_objects {	2145	sub decay_objects {
1947	my ($self) = @_;	2146	my ($self) = @_;
1948		2147
1949	return if $self->{deny_reset};	2148	return if $self->{deny_reset};
1950		2149
…		…
1975	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1976		2175
1977	1	2176	1
1978	}	2177	}
1979		2178
		2179	# used to laod the header of an original map
1980	sub load_header_orig {	2180	sub load_header_orig {
1981	my ($self) = @_;	2181	my ($self) = @_;
1982		2182
1983	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1984	}	2184	}
1985		2185
		2186	# used to laod the header of an instantiated map
1986	sub load_header_temp {	2187	sub load_header_temp {
1987	my ($self) = @_;	2188	my ($self) = @_;
1988		2189
1989	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1990	}	2191	}
1991		2192
		2193	# called after loading the header from an instantiated map
1992	sub prepare_temp {	2194	sub prepare_temp {
1993	my ($self) = @_;	2195	my ($self) = @_;
1994		2196
1995	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1996	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1997	# safety	2199	# safety
1998	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1999	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
2000	}	2202	}
2001		2203
		2204	# called after loading the header from an original map
2002	sub prepare_orig {	2205	sub prepare_orig {
2003	my ($self) = @_;	2206	my ($self) = @_;
2004		2207
2005	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
2006	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2030		2233
2031	sub find;	2234	sub find;
2032	sub find {	2235	sub find {
2033	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
2034		2237
		2238	cf::cede_to_tick;
		2239
2035	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
2036		2241
2037	cf::lock_wait "map_data:$path";#d#remove	2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2038	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
2039		2244
2040	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
2041	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2042	my $guard2 = cf::lock_acquire "map_find:$path";
2043
2044	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
2045	or return;	2247	or return;
2046		2248
2047	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
2048		2250
…		…
2060		2262
2061	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
2062	}	2264	}
2063	}	2265	}
2064		2266
2065	sub pre_load { }	2267	sub pre_load { }
2066	sub post_load { }	2268	#sub post_load { } # XS
2067		2269
2068	sub load {	2270	sub load {
2069	my ($self) = @_;	2271	my ($self) = @_;
2070		2272
2071	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2074		2276
2075	{	2277	{
2076	my $guard = cf::lock_acquire "map_data:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
2077		2279
2078	return unless $self->valid;	2280	return unless $self->valid;
2079	return unless $self->in_memory == cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
2080
2081	$self->in_memory (cf::MAP_LOADING);
2082		2282
2083	$self->alloc;	2283	$self->alloc;
2084		2284
2085	$self->pre_load;	2285	$self->pre_load;
2086	cf::cede_to_tick;	2286	cf::cede_to_tick;
2087		2287
		2288	if (exists $self->{load_path}) {
2088	my $f = new_from_file cf::object::thawer $self->{load_path};	2289	my $f = new_from_file cf::object::thawer $self->{load_path};
2089	$f->skip_block;	2290	$f->skip_block;
2090	$self->_load_objects ($f)	2291	$self->_load_objects ($f)
2091	or return;	2292	or return;
2092		2293
2093	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
2094	if delete $self->{load_original};	2295	if delete $self->{load_original};
2095		2296
2096	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
2097	utf8::encode $uniq;	2298	utf8::encode $uniq;
2098	unless (aio_stat $uniq) {	2299	unless (aio_stat $uniq) {
2099	if (my $f = new_from_file cf::object::thawer $uniq) {	2300	if (my $f = new_from_file cf::object::thawer $uniq) {
2100	$self->clear_unique_items;	2301	$self->clear_unique_items;
2101	$self->_load_objects ($f);	2302	$self->_load_objects ($f);
2102	$f->resolve_delayed_derefs;	2303	$f->resolve_delayed_derefs;
		2304	}
2103	}	2305	}
2104	}	2306	}
2105	}
2106		2307
2107	$f->resolve_delayed_derefs;	2308	$f->resolve_delayed_derefs;
		2309	} else {
		2310	$self->post_load_original
		2311	if delete $self->{load_original};
		2312	}
		2313
		2314	$self->state (cf::MAP_INACTIVE);
2108		2315
2109	cf::cede_to_tick;	2316	cf::cede_to_tick;
2110	# now do the right thing for maps	2317	# now do the right thing for maps
2111	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
2112	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
…		…
2116	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
2117	$self->decay_objects;	2324	$self->decay_objects;
2118	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
2119	$self->update_buttons;	2326	$self->update_buttons;
2120	cf::cede_to_tick;	2327	cf::cede_to_tick;
2121	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
2122	cf::cede_to_tick;
2123	$self->activate;
2124	}	2329	}
2125		2330
2126	$self->{last_save} = $cf::RUNTIME;	2331	$self->{last_save} = $cf::RUNTIME;
2127	$self->last_access ($cf::RUNTIME);	2332	$self->last_access ($cf::RUNTIME);
2128
2129	$self->in_memory (cf::MAP_ACTIVE);
2130	}	2333	}
2131		2334
2132	$self->post_load;	2335	$self->post_load;
2133	}
2134		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
2135	sub customise_for {	2343	sub customise_for {
2136	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
2137		2345
2138	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
2139	if $self->per_player;	2347	if $self->per_player;
…		…
2142	# if $self->per_party;	2350	# if $self->per_party;
2143		2351
2144	$self	2352	$self
2145	}	2353	}
2146		2354
2147	# find and load all maps in the 3x3 area around a map
2148	sub load_neighbours {
2149	my ($map) = @_;
2150
2151	my @neigh; # diagonal neighbours
2152
2153	for (0 .. 3) {
2154	my $neigh = $map->tile_path ($_)
2155	or next;
2156	$neigh = find $neigh, $map
2157	or next;
2158	$neigh->load;
2159
2160	push @neigh,
2161	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2162	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2163	}
2164
2165	for (grep defined $_->[0], @neigh) {
2166	my ($path, $origin) = @$_;
2167	my $neigh = find $path, $origin
2168	or next;
2169	$neigh->load;
2170	}
2171	}
2172
2173	sub find_sync {	2355	sub find_sync {
2174	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
2175		2357
2176	cf::sync_job { find $path, $origin }	2358	# it's a bug to call this from the main context
		2359	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2360	if $Coro::current == $Coro::main;
		2361
		2362	find $path, $origin
2177	}	2363	}
2178		2364
2179	sub do_load_sync {	2365	sub do_load_sync {
2180	my ($map) = @_;	2366	my ($map) = @_;
2181		2367
		2368	# it's a bug to call this from the main context
2182	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2183	if $Coro::current == $Coro::main;	2370	if $Coro::current == $Coro::main;
2184		2371
2185	cf::sync_job { $map->load };	2372	$map->load;
2186	}	2373	}
2187		2374
2188	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
2189	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
2190		2377
2191	sub find_async {	2378	sub find_async {
2192	my ($path, $origin, $load) = @_;	2379	my ($path, $origin, $load) = @_;
2193		2380
2194	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
2195		2382
2196	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
2197	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2384	return $map if !$load || $map->linkable;
2198	}	2385	}
2199		2386
2200	$MAP_PREFETCH{$path} |= $load;	2387	$MAP_PREFETCH{$path} |= $load;
2201		2388
2202	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
…		…
2216	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
2217		2404
2218	()	2405	()
2219	}	2406	}
2220		2407
		2408	# common code, used by both ->save and ->swapout
2221	sub save {	2409	sub _save {
2222	my ($self) = @_;	2410	my ($self) = @_;
2223
2224	my $lock = cf::lock_acquire "map_data:$self->{path}";
2225		2411
2226	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
2227		2413
2228	return unless $self->dirty;	2414	return unless $self->dirty;
2229		2415
…		…
2249	} else {	2435	} else {
2250	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2251	}	2437	}
2252	}	2438	}
2253		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
2254	sub swap_out {	2448	sub swap_out {
2255	my ($self) = @_;	2449	my ($self) = @_;
2256		2450
2257	# save first because save cedes
2258	$self->save;
2259
2260	my $lock = cf::lock_acquire "map_data:$self->{path}";	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
2261		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
2262	return if $self->players;	2455	return if $self->players;
2263	return if $self->in_memory != cf::MAP_ACTIVE;	2456
		2457	# first deactivate the map and "unlink" it from the core
		2458	$self->deactivate;
		2459	$_->clear_links_to ($self) for values %cf::MAP;
		2460	$self->state (cf::MAP_SWAPPED);
		2461
		2462	# then atomically save
		2463	$self->_save;
		2464
		2465	# then free the map
		2466	$self->clear;
		2467	}
		2468
		2469	sub reset_at {
		2470	my ($self) = @_;
		2471
		2472	# TODO: safety, remove and allow resettable per-player maps
2264	return if $self->{deny_save};	2473	return 1e99 if $self->{deny_reset};
2265		2474
		2475	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2476	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2477
		2478	$time + $to
		2479	}
		2480
		2481	sub should_reset {
		2482	my ($self) = @_;
		2483
		2484	$self->reset_at <= $cf::RUNTIME
		2485	}
		2486
		2487	sub reset {
		2488	my ($self) = @_;
		2489
		2490	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2491
		2492	return if $self->players;
		2493
		2494	cf::trace "resetting map ", $self->path, "\n";
		2495
2266	$self->in_memory (cf::MAP_SWAPPED);	2496	$self->state (cf::MAP_SWAPPED);
		2497
		2498	# need to save uniques path
		2499	unless ($self->{deny_save}) {
		2500	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2501
		2502	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2503	if $uniq;
		2504	}
		2505
		2506	delete $cf::MAP{$self->path};
2267		2507
2268	$self->deactivate;	2508	$self->deactivate;
2269	$_->clear_links_to ($self) for values %cf::MAP;	2509	$_->clear_links_to ($self) for values %cf::MAP;
2270	$self->clear;	2510	$self->clear;
2271	}
2272
2273	sub reset_at {
2274	my ($self) = @_;
2275
2276	# TODO: safety, remove and allow resettable per-player maps
2277	return 1e99 if $self->{deny_reset};
2278
2279	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2280	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2281
2282	$time + $to
2283	}
2284
2285	sub should_reset {
2286	my ($self) = @_;
2287
2288	$self->reset_at <= $cf::RUNTIME
2289	}
2290
2291	sub reset {
2292	my ($self) = @_;
2293
2294	my $lock = cf::lock_acquire "map_data:$self->{path}";
2295
2296	return if $self->players;
2297
2298	warn "resetting map ", $self->path;
2299
2300	$self->in_memory (cf::MAP_SWAPPED);
2301
2302	# need to save uniques path
2303	unless ($self->{deny_save}) {
2304	my $uniq = $self->uniq_path; utf8::encode $uniq;
2305
2306	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2307	if $uniq;
2308	}
2309
2310	delete $cf::MAP{$self->path};
2311
2312	$self->deactivate;
2313	$_->clear_links_to ($self) for values %cf::MAP;
2314	$self->clear;
2315		2511
2316	$self->unlink_save;	2512	$self->unlink_save;
2317	$self->destroy;	2513	$self->destroy;
2318	}	2514	}
2319		2515
…		…
2327		2523
2328	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2329		2525
2330	$self->unlink_save;	2526	$self->unlink_save;
2331		2527
2332	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2333	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2334	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2335	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2336	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2337		2533
…		…
2394	: normalise $_	2590	: normalise $_
2395	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2396	]	2592	]
2397	}	2593	}
2398		2594
		2595	=item cf::map::static_maps
		2596
		2597	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2598	file in the shared directory excluding F</styles> and F</editor>). May
		2599	block.
		2600
		2601	=cut
		2602
		2603	sub static_maps() {
		2604	my @dirs = "";
		2605	my @maps;
		2606
		2607	while (@dirs) {
		2608	my $dir = shift @dirs;
		2609
		2610	next if $dir eq "/styles" || $dir eq "/editor";
		2611
		2612	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2613	or return;
		2614
		2615	for (@$files) {
		2616	s/\.map$// or next;
		2617	utf8::decode $_;
		2618	push @maps, "$dir/$_";
		2619	}
		2620
		2621	push @dirs, map "$dir/$_", @$dirs;
		2622	}
		2623
		2624	\@maps
		2625	}
		2626
2399	=back	2627	=back
2400		2628
2401	=head3 cf::object	2629	=head3 cf::object
2402		2630
2403	=cut	2631	=cut
…		…
2468		2696
2469	our $SAY_CHANNEL = {	2697	our $SAY_CHANNEL = {
2470	id => "say",	2698	id => "say",
2471	title => "Map",	2699	title => "Map",
2472	reply => "say ",	2700	reply => "say ",
2473	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2701	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2474	};	2702	};
2475		2703
2476	our $CHAT_CHANNEL = {	2704	our $CHAT_CHANNEL = {
2477	id => "chat",	2705	id => "chat",
2478	title => "Chat",	2706	title => "Chat",
…		…
2533		2761
2534	=item $player_object->enter_link	2762	=item $player_object->enter_link
2535		2763
2536	Freezes the player and moves him/her to a special map (C<{link}>).	2764	Freezes the player and moves him/her to a special map (C<{link}>).
2537		2765
2538	The player should be reasonably safe there for short amounts of time. You	2766	The player should be reasonably safe there for short amounts of time (e.g.
2539	I<MUST> call C<leave_link> as soon as possible, though.	2767	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2768	though, as the player cannot control the character while it is on the link
		2769	map.
2540		2770
2541	Will never block.	2771	Will never block.
2542		2772
2543	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2544		2774
…		…
2564	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2565	my ($self) = @_;	2795	my ($self) = @_;
2566		2796
2567	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2568		2798
		2799	++$self->{_link_recursion};
		2800
2569	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2570		2802
2571	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2572	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2573		2805
2574	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2575	}	2807	}
2576		2808
2577	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2578	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2579		2811
…		…
2596	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2597	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2598		2830
2599	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2600	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2601	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2602		2834
2603	$map->load;	2835	$map->load;
2604	$map->load_neighbours;
2605		2836
2606	return unless $self->contr->active;	2837	return unless $self->contr->active;
2607	$self->activate_recursive;
2608		2838
2609	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2610	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2611	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2612		2846
		2847	}
		2848
2613	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2849	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2614		2850
2615	Moves the player to the given map-path and coordinates by first freezing	2851	Moves the player to the given map-path and coordinates by first freezing
2616	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2617	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2618	the new (success) or old (failed) map position. In either case, $done will	2854	the new (success) or old (failed) map position. In either case, $done will
2619	be called at the end of this process.	2855	be called at the end of this process.
2620		2856
		2857	Note that $check will be called with a potentially non-loaded map, so if
		2858	it needs a loaded map it has to call C<< ->load >>.
		2859
2621	=cut	2860	=cut
2622		2861
2623	our $GOTOGEN;	2862	our $GOTOGEN;
2624		2863
2625	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2626	my ($self, $path, $x, $y, $check, $done) = @_;	2865	my ($self, $path, $x, $y, $check, $done) = @_;
		2866
		2867	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2868	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2869	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2870	($path, $x, $y) = @$EMERGENCY_POSITION;
		2871	}
2627		2872
2628	# do generation counting so two concurrent goto's will be executed in-order	2873	# do generation counting so two concurrent goto's will be executed in-order
2629	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2630		2875
2631	$self->enter_link;	2876	$self->enter_link;
…		…
2651	($path, $x, $y) = (undef, undef, undef);	2896	($path, $x, $y) = (undef, undef, undef);
2652	}	2897	}
2653	}	2898	}
2654		2899
2655	my $map = eval {	2900	my $map = eval {
2656	my $map = defined $path ? cf::map::find $path : undef;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2657		2902
2658	if ($map) {	2903	if ($map) {
2659	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2660	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2661	} else {	2906	} else {
2662	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2663	}	2908	}
2664		2909
2665	$map	2910	$map
…		…
2673	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2674	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2675	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2676	}	2921	}
2677		2922
2678	$done->() if $done;	2923	$done->($self) if $done;
2679	})->prio (1);	2924	})->prio (1);
2680	}	2925	}
2681		2926
2682	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2683		2928
…		…
2751	$Coro::current->{desc} = "enter_exit";	2996	$Coro::current->{desc} = "enter_exit";
2752		2997
2753	unless (eval {	2998	unless (eval {
2754	$self->deactivate_recursive; # just to be sure	2999	$self->deactivate_recursive; # just to be sure
2755		3000
2756	# random map handling
2757	{
2758	my $guard = cf::lock_acquire "exit_prepare:$exit";
2759
2760	prepare_random_map $exit
2761	if $exit->slaying eq "/!";
2762	}
2763
2764	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
2765	my $x = $exit->stats->hp;	3002	my $x = $exit->stats->hp;
2766	my $y = $exit->stats->sp;	3003	my $y = $exit->stats->sp;
		3004
		3005	# special map handling
		3006	my $slaying = $exit->slaying;
		3007
		3008	# special map handling
		3009	if ($slaying eq "/!") {
		3010	my $guard = cf::lock_acquire "exit_prepare:$exit";
		3011
		3012	prepare_random_map $exit
		3013	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		3014
		3015	$map = $exit->slaying;
		3016
		3017	} elsif ($slaying eq '!up') {
		3018	$map = $exit->map->tile_path (cf::TILE_UP);
		3019	$x = $exit->x;
		3020	$y = $exit->y;
		3021
		3022	} elsif ($slaying eq '!down') {
		3023	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3024	$x = $exit->x;
		3025	$y = $exit->y;
		3026	}
2767		3027
2768	$self->goto ($map, $x, $y);	3028	$self->goto ($map, $x, $y);
2769		3029
2770	# if exit is damned, update players death & WoR home-position	3030	# if exit is damned, update players death & WoR home-position
2771	$self->contr->savebed ($map, $x, $y)	3031	$self->contr->savebed ($map, $x, $y)
2772	if $exit->flag (cf::FLAG_DAMNED);	3032	if $exit->flag (cf::FLAG_DAMNED);
2773		3033
2774	1	3034	1
2775	}) {	3035	}) {
2776	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2777	. "I'll try to bring you back to the map you were before. "	3037	. "I'll try to bring you back to the map you were before. "
2778	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2779	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2780		3040
2781	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2782	$self->leave_link;	3042	$self->leave_link;
2783	}	3043	}
2784	})->prio (1);	3044	})->prio (1);
2785	}	3045	}
2786		3046
…		…
2798	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
2799	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
2800		3060
2801	utf8::encode $text;	3061	utf8::encode $text;
2802	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3062	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3063	}
		3064
		3065	=item $client->send_big_packet ($pkt)
		3066
		3067	Like C<send_packet>, but tries to compress large packets, and fragments
		3068	them as required.
		3069
		3070	=cut
		3071
		3072	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3073
		3074	sub cf::client::send_big_packet {
		3075	my ($self, $pkt) = @_;
		3076
		3077	# try lzf for large packets
		3078	$pkt = "lzf " . Compress::LZF::compress $pkt
		3079	if 1024 <= length $pkt and $self->{can_lzf};
		3080
		3081	# split very large packets
		3082	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3083	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3084	$pkt = "frag";
		3085	}
		3086
		3087	$self->send_packet ($pkt);
2803	}	3088	}
2804		3089
2805	=item $client->send_msg ($channel, $msg, $color, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2806		3091
2807	Send a drawinfo or msg packet to the client, formatting the msg for the	3092	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2811		3096
2812	=cut	3097	=cut
2813		3098
2814	# non-persistent channels (usually the info channel)	3099	# non-persistent channels (usually the info channel)
2815	our %CHANNEL = (	3100	our %CHANNEL = (
		3101	"c/motd" => {
		3102	id => "infobox",
		3103	title => "MOTD",
		3104	reply => undef,
		3105	tooltip => "The message of the day",
		3106	},
2816	"c/identify" => {	3107	"c/identify" => {
2817	id => "infobox",	3108	id => "infobox",
2818	title => "Identify",	3109	title => "Identify",
2819	reply => undef,	3110	reply => undef,
2820	tooltip => "Items recently identified",	3111	tooltip => "Items recently identified",
…		…
2822	"c/examine" => {	3113	"c/examine" => {
2823	id => "infobox",	3114	id => "infobox",
2824	title => "Examine",	3115	title => "Examine",
2825	reply => undef,	3116	reply => undef,
2826	tooltip => "Signs and other items you examined",	3117	tooltip => "Signs and other items you examined",
		3118	},
		3119	"c/shopinfo" => {
		3120	id => "infobox",
		3121	title => "Shop Info",
		3122	reply => undef,
		3123	tooltip => "What your bargaining skill tells you about the shop",
2827	},	3124	},
2828	"c/book" => {	3125	"c/book" => {
2829	id => "infobox",	3126	id => "infobox",
2830	title => "Book",	3127	title => "Book",
2831	reply => undef,	3128	reply => undef,
…		…
2847	id => "infobox",	3144	id => "infobox",
2848	title => "Body Parts",	3145	title => "Body Parts",
2849	reply => undef,	3146	reply => undef,
2850	tooltip => "Shows which body parts you posess and are available",	3147	tooltip => "Shows which body parts you posess and are available",
2851	},	3148	},
		3149	"c/statistics" => {
		3150	id => "infobox",
		3151	title => "Statistics",
		3152	reply => undef,
		3153	tooltip => "Shows your primary statistics",
		3154	},
		3155	"c/skills" => {
		3156	id => "infobox",
		3157	title => "Skills",
		3158	reply => undef,
		3159	tooltip => "Shows your experience per skill and item power",
		3160	},
		3161	"c/shopitems" => {
		3162	id => "infobox",
		3163	title => "Shop Items",
		3164	reply => undef,
		3165	tooltip => "Shows the items currently for sale in this shop",
		3166	},
		3167	"c/resistances" => {
		3168	id => "infobox",
		3169	title => "Resistances",
		3170	reply => undef,
		3171	tooltip => "Shows your resistances",
		3172	},
		3173	"c/pets" => {
		3174	id => "infobox",
		3175	title => "Pets",
		3176	reply => undef,
		3177	tooltip => "Shows information abotu your pets/a specific pet",
		3178	},
		3179	"c/perceiveself" => {
		3180	id => "infobox",
		3181	title => "Perceive Self",
		3182	reply => undef,
		3183	tooltip => "You gained detailed knowledge about yourself",
		3184	},
2852	"c/uptime" => {	3185	"c/uptime" => {
2853	id => "infobox",	3186	id => "infobox",
2854	title => "Uptime",	3187	title => "Uptime",
2855	reply => undef,	3188	reply => undef,
2856	tooltip => "How long the server has been running since last restart",	3189	tooltip => "How long the server has been running since last restart",
…		…
2865	id => "party",	3198	id => "party",
2866	title => "Party",	3199	title => "Party",
2867	reply => "gsay ",	3200	reply => "gsay ",
2868	tooltip => "Messages and chat related to your party",	3201	tooltip => "Messages and chat related to your party",
2869	},	3202	},
		3203	"c/death" => {
		3204	id => "death",
		3205	title => "Death",
		3206	reply => undef,
		3207	tooltip => "Reason for and more info about your most recent death",
		3208	},
		3209	"c/say" => $SAY_CHANNEL,
		3210	"c/chat" => $CHAT_CHANNEL,
2870	);	3211	);
2871		3212
2872	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2873	my ($self, $channel, $msg, $color, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2874		3215
2875	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
2876		3218
2877	$color &= cf::NDI_CLIENT_MASK; # just in case...	3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
2878		3220
2879	# check predefined channels, for the benefit of C	3221	# check predefined channels, for the benefit of C
2880	if ($CHANNEL{$channel}) {	3222	if ($CHANNEL{$channel}) {
2881	$channel = $CHANNEL{$channel};	3223	$channel = $CHANNEL{$channel};
2882		3224
2883	$self->ext_msg (channel_info => $channel)	3225	$self->ext_msg (channel_info => $channel);
2884	if $self->can_msg;
2885
2886	$channel = $channel->{id};	3226	$channel = $channel->{id};
2887		3227
2888	} elsif (ref $channel) {	3228	} elsif (ref $channel) {
2889	# send meta info to client, if not yet sent	3229	# send meta info to client, if not yet sent
2890	unless (exists $self->{channel}{$channel->{id}}) {	3230	unless (exists $self->{channel}{$channel->{id}}) {
2891	$self->{channel}{$channel->{id}} = $channel;	3231	$self->{channel}{$channel->{id}} = $channel;
2892	$self->ext_msg (channel_info => $channel)	3232	$self->ext_msg (channel_info => $channel);
2893	if $self->can_msg;
2894	}	3233	}
2895		3234
2896	$channel = $channel->{id};	3235	$channel = $channel->{id};
2897	}	3236	}
2898		3237
2899	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2900		3239
2901	if ($self->can_msg) {
2902	# default colour, mask it out	3240	# default colour, mask it out
2903	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2904	if $color & cf::NDI_DEF;	3242	if $color & cf::NDI_DEF;
2905		3243
2906	$self->send_packet ("msg " . $self->{json_coder}->encode (	3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
2907	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2908	} else {	3247	);
2909	if ($color >= 0) {
2910	# replace some tags by gcfclient-compatible ones
2911	for ($msg) {
2912	1 while
2913	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2914	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2915	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2916	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2917	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2918	}
2919		3248
2920	$color &= cf::NDI_COLOR_MASK;	3249	$self->send_big_packet ($pkt);
2921
2922	utf8::encode $msg;
2923
2924	if (0 && $msg =~ /\[/) {
2925	# COMMAND/INFO
2926	$self->send_packet ("drawextinfo $color 10 8 $msg")
2927	} else {
2928	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2929	$self->send_packet ("drawinfo $color $msg")
2930	}
2931	}
2932	}
2933	}	3250	}
2934		3251
2935	=item $client->ext_msg ($type, @msg)	3252	=item $client->ext_msg ($type, @msg)
2936		3253
2937	Sends an ext event to the client.	3254	Sends an ext event to the client.
…		…
2939	=cut	3256	=cut
2940		3257
2941	sub cf::client::ext_msg($$@) {	3258	sub cf::client::ext_msg($$@) {
2942	my ($self, $type, @msg) = @_;	3259	my ($self, $type, @msg) = @_;
2943		3260
2944	if ($self->extcmd == 2) {
2945	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2946	} elsif ($self->extcmd == 1) { # TODO: remove
2947	push @msg, msgtype => "event_$type";
2948	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2949	}
2950	}
2951
2952	=item $client->ext_reply ($msgid, @msg)
2953
2954	Sends an ext reply to the client.
2955
2956	=cut
2957
2958	sub cf::client::ext_reply($$@) {
2959	my ($self, $id, @msg) = @_;
2960
2961	if ($self->extcmd == 2) {
2962	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2963	} elsif ($self->extcmd == 1) {
2964	#TODO: version 1, remove
2965	unshift @msg, msgtype => "reply", msgid => $id;
2966	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2967	}
2968	}	3262	}
2969		3263
2970	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2971		3265
2972	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
3027	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
3028		3322
3029	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3030		3324
3031	if (ref $msg) {	3325	if (ref $msg) {
3032	my ($type, $reply, @payload) =	3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3033	"ARRAY" eq ref $msg
3034	? @$msg
3035	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3036		3327
3037	my @reply;
3038
3039	if (my $cb = $EXTICMD{$type}) {	3328	if (my $cb = $EXTIACMD{$type}) {
		3329	$cb->(
		3330	$ns,
		3331	sub {
		3332	$ns->ext_msg ("reply-$reply", @_)
		3333	if $reply;
		3334	},
		3335	@payload
		3336	);
		3337	} else {
		3338	my @reply;
		3339
		3340	if (my $cb = $EXTICMD{$type}) {
3040	@reply = $cb->($ns, @payload);	3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
3041	}	3346	}
3042
3043	$ns->ext_reply ($reply, @reply)
3044	if $reply;
3045
3046	} else {	3347	} else {
3047	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3348	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3048	}	3349	}
3049		3350
3050	cf::override;	3351	cf::override;
3051	},	3352	},
3052	);	3353	);
…		…
3072		3373
3073	$coro	3374	$coro
3074	}	3375	}
3075		3376
3076	cf::client->attach (	3377	cf::client->attach (
3077	on_destroy => sub {	3378	on_client_destroy => sub {
3078	my ($ns) = @_;	3379	my ($ns) = @_;
3079		3380
3080	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3081	},	3382	},
3082	);	3383	);
…		…
3098	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
3099		3400
3100	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
3101		3402
3102	$safe->permit_only (Opcode::opset qw(	3403	$safe->permit_only (Opcode::opset qw(
3103	:base_core :base_mem :base_orig :base_math	3404	:base_core :base_mem :base_orig :base_math :base_loop
3104	grepstart grepwhile mapstart mapwhile	3405	grepstart grepwhile mapstart mapwhile
3105	sort time	3406	sort time
3106	));	3407	));
3107		3408
3108	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
…		…
3112	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
3113		3414
3114	cf::object	3415	cf::object
3115	contr pay_amount pay_player map x y force_find force_add destroy	3416	contr pay_amount pay_player map x y force_find force_add destroy
3116	insert remove name archname title slaying race decrease split	3417	insert remove name archname title slaying race decrease split
		3418	value
3117		3419
3118	cf::object::player	3420	cf::object::player
3119	player	3421	player
3120		3422
3121	cf::player	3423	cf::player
…		…
3127	=cut	3429	=cut
3128		3430
3129	for (	3431	for (
3130	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3131	insert remove inv nrof name archname title slaying race	3433	insert remove inv nrof name archname title slaying race
3132	decrease split destroy)],	3434	decrease split destroy change_exp value msg lore send_msg)],
3133	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
3134	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
3135	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
3136	) {	3438	) {
3137	no strict 'refs';
3138	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
3139	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3140	for @funs;	3441	for @funs;
3141	}	3442	}
3142		3443
…		…
3157		3458
3158	my $qcode = $code;	3459	my $qcode = $code;
3159	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3160	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
3161		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
3162	local $_;	3466	local $_;
3163	local @safe::cf::_safe_eval_args = values %vars;
3164		3467
3165	my $eval =	3468	my $eval =
3166	"do {\n"	3469	"do {\n"
3167	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3168	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
3169	. $code	3472	. $code
3170	. "\n}"	3473	. "\n}"
3171	;	3474	;
3172		3475
		3476	if ($CFG{safe_eval}) {
3173	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
3174	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3175	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
3176		3485
3177	if ($@) {	3486	if ($@) {
3178	warn "$@";	3487	warn "$@",
3179	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
3180	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
3181	}	3490	}
3182		3491
3183	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
3184	}	3493	}
3185		3494
…		…
3199	=cut	3508	=cut
3200		3509
3201	sub register_script_function {	3510	sub register_script_function {
3202	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
3203		3512
3204	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
3205	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
3206	}	3515	}
3207		3516
3208	=back	3517	=back
3209		3518
3210	=cut	3519	=cut
3211		3520
3212	#############################################################################	3521	#############################################################################
3213	# the server's init and main functions	3522	# the server's init and main functions
		3523
		3524	our %FACEHASH; # hash => idx, #d# HACK for http server
		3525
		3526	# internal api, not fianlised
		3527	sub set_face {
		3528	my ($name, $type, $data) = @_;
		3529
		3530	my $idx = cf::face::find $name;
		3531
		3532	if ($idx) {
		3533	delete $FACEHASH{cf::face::get_chksum $idx};
		3534	} else {
		3535	$idx = cf::face::alloc $name;
		3536	}
		3537
		3538	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3539
		3540	cf::face::set_type $idx, $type;
		3541	cf::face::set_data $idx, 0, $data, $hash;
		3542	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3543	$FACEHASH{$hash} = $idx;#d#
		3544
		3545	$idx
		3546	}
3214		3547
3215	sub load_facedata($) {	3548	sub load_facedata($) {
3216	my ($path) = @_;	3549	my ($path) = @_;
3217		3550
3218	# HACK to clear player env face cache, we need some signal framework	3551	# HACK to clear player env face cache, we need some signal framework
3219	# for this (global event?)	3552	# for this (global event?)
3220	%ext::player_env::MUSIC_FACE_CACHE = ();	3553	%ext::player_env::MUSIC_FACE_CACHE = ();
3221		3554
3222	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3555	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3223		3556
3224	warn "loading facedata from $path\n";	3557	trace "loading facedata from $path\n";
3225		3558
3226	my $facedata;	3559	my $facedata = decode_storable load_file $path;
3227	0 < aio_load $path, $facedata
3228	or die "$path: $!";
3229
3230	$facedata = Coro::Storable::thaw $facedata;
3231		3560
3232	$facedata->{version} == 2	3561	$facedata->{version} == 2
3233	or cf::cleanup "$path: version mismatch, cannot proceed.";	3562	or cf::cleanup "$path: version mismatch, cannot proceed.";
3234		3563
3235	# patch in the exptable
3236	$facedata->{resource}{"res/exp_table"} = {
3237	type => FT_RSRC,
3238	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3239	};
3240	cf::cede_to_tick;	3564	cf::cede_to_tick;
3241		3565
3242	{	3566	{
3243	my $faces = $facedata->{faceinfo};	3567	my $faces = delete $facedata->{faceinfo};
3244		3568
3245	while (my ($face, $info) = each %$faces) {	3569	for my $face (sort keys %$faces) {
		3570	my $info = $faces->{$face};
3246	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3571	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3247		3572
3248	cf::face::set_visibility $idx, $info->{visibility};	3573	cf::face::set_visibility $idx, $info->{visibility};
3249	cf::face::set_magicmap $idx, $info->{magicmap};	3574	cf::face::set_magicmap $idx, $info->{magicmap};
3250	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3575	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3251	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3576	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
3252		3577	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3578	$FACEHASH{$info->{hash64}} = $idx;#d#
		3579
3253	cf::cede_to_tick;	3580	cf::cede_to_tick;
3254	}	3581	}
3255		3582
3256	while (my ($face, $info) = each %$faces) {	3583	while (my ($face, $info) = each %$faces) {
3257	next unless $info->{smooth};	3584	next unless $info->{smooth};
…		…
3261		3588
3262	if (my $smooth = cf::face::find $info->{smooth}) {	3589	if (my $smooth = cf::face::find $info->{smooth}) {
3263	cf::face::set_smooth $idx, $smooth;	3590	cf::face::set_smooth $idx, $smooth;
3264	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3591	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3265	} else {	3592	} else {
3266	warn "smooth face '$info->{smooth}' not found for face '$face'";	3593	error "smooth face '$info->{smooth}' not found for face '$face'";
3267	}	3594	}
3268		3595
3269	cf::cede_to_tick;	3596	cf::cede_to_tick;
3270	}	3597	}
3271	}	3598	}
3272		3599
3273	{	3600	{
3274	my $anims = $facedata->{animinfo};	3601	my $anims = delete $facedata->{animinfo};
3275		3602
3276	while (my ($anim, $info) = each %$anims) {	3603	while (my ($anim, $info) = each %$anims) {
3277	cf::anim::set $anim, $info->{frames}, $info->{facings};	3604	cf::anim::set $anim, $info->{frames}, $info->{facings};
3278	cf::cede_to_tick;	3605	cf::cede_to_tick;
3279	}	3606	}
3280		3607
3281	cf::anim::invalidate_all; # d'oh	3608	cf::anim::invalidate_all; # d'oh
3282	}	3609	}
3283		3610
3284	{	3611	{
3285	# TODO: for gcfclient pleasure, we should give resources
3286	# that gcfclient doesn't grok a >10000 face index.
3287	my $res = $facedata->{resource};	3612	my $res = delete $facedata->{resource};
3288		3613
3289	while (my ($name, $info) = each %$res) {	3614	while (my ($name, $info) = each %$res) {
3290	if (defined $info->{type}) {	3615	if (defined (my $type = $info->{type})) {
		3616	# TODO: different hash - must free and use new index, or cache ixface data queue
3291	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3617	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3292	my $data;
3293		3618
3294	if ($info->{type} & 1) {
3295	# prepend meta info
3296
3297	my $meta = $enc->encode ({
3298	name => $name,
3299	%{ $info->{meta} || {} },
3300	});
3301
3302	$data = pack "(w/a*)*", $meta, $info->{data};
3303	} else {
3304	$data = $info->{data};
3305	}
3306
3307	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3308	cf::face::set_type $idx, $info->{type};	3619	cf::face::set_type $idx, $type;
		3620	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3621	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3622	$FACEHASH{$info->{hash}} = $idx;#d#
3309	} else {	3623	} else {
3310	$RESOURCE{$name} = $info;	3624	# $RESOURCE{$name} = $info; # unused
3311	}	3625	}
3312		3626
3313	cf::cede_to_tick;	3627	cf::cede_to_tick;
3314	}	3628	}
3315	}	3629	}
3316		3630
3317	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3631	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3318		3632
3319	1	3633	1
3320	}	3634	}
3321
3322	cf::global->attach (on_resource_update => sub {
3323	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3324	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3325
3326	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3327	my $sound = $soundconf->{compat}[$_]
3328	or next;
3329
3330	my $face = cf::face::find "sound/$sound->[1]";
3331	cf::sound::set $sound->[0] => $face;
3332	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3333	}
3334
3335	while (my ($k, $v) = each %{$soundconf->{event}}) {
3336	my $face = cf::face::find "sound/$v";
3337	cf::sound::set $k => $face;
3338	}
3339	}
3340	});
3341		3635
3342	register_exticmd fx_want => sub {	3636	register_exticmd fx_want => sub {
3343	my ($ns, $want) = @_;	3637	my ($ns, $want) = @_;
3344		3638
3345	while (my ($k, $v) = each %$want) {	3639	while (my ($k, $v) = each %$want) {
…		…
3353	my $status = load_resource_file_ $_[0];	3647	my $status = load_resource_file_ $_[0];
3354	get_slot 0.1, 100;	3648	get_slot 0.1, 100;
3355	cf::arch::commit_load;	3649	cf::arch::commit_load;
3356		3650
3357	$status	3651	$status
		3652	}
		3653
		3654	sub reload_exp_table {
		3655	_reload_exp_table;
		3656
		3657	set_face "res/exp_table" => FT_RSRC,
		3658	JSON::XS->new->utf8->canonical->encode (
		3659	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3660	);
		3661	}
		3662
		3663	sub reload_materials {
		3664	_reload_materials;
3358	}	3665	}
3359		3666
3360	sub reload_regions {	3667	sub reload_regions {
3361	# HACK to clear player env face cache, we need some signal framework	3668	# HACK to clear player env face cache, we need some signal framework
3362	# for this (global event?)	3669	# for this (global event?)
…		…
3377	}	3684	}
3378		3685
3379	sub reload_archetypes {	3686	sub reload_archetypes {
3380	load_resource_file "$DATADIR/archetypes"	3687	load_resource_file "$DATADIR/archetypes"
3381	or die "unable to load archetypes\n";	3688	or die "unable to load archetypes\n";
		3689
		3690	set_face "res/skill_info" => FT_RSRC,
		3691	JSON::XS->new->utf8->canonical->encode (
		3692	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3693	);
		3694	set_face "res/spell_paths" => FT_RSRC,
		3695	JSON::XS->new->utf8->canonical->encode (
		3696	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3697	);
3382	}	3698	}
3383		3699
3384	sub reload_treasures {	3700	sub reload_treasures {
3385	load_resource_file "$DATADIR/treasures"	3701	load_resource_file "$DATADIR/treasures"
3386	or die "unable to load treasurelists\n";	3702	or die "unable to load treasurelists\n";
3387	}	3703	}
3388		3704
		3705	sub reload_sound {
		3706	trace "loading sound config from $DATADIR/sound\n";
		3707
		3708	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3709
		3710	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3711	my $sound = $soundconf->{compat}[$_]
		3712	or next;
		3713
		3714	my $face = cf::face::find "sound/$sound->[1]";
		3715	cf::sound::set $sound->[0] => $face;
		3716	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3717	}
		3718
		3719	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3720	my $face = cf::face::find "sound/$v";
		3721	cf::sound::set $k => $face;
		3722	}
		3723	}
		3724
3389	sub reload_resources {	3725	sub reload_resources {
3390	warn "reloading resource files...\n";	3726	trace "reloading resource files...\n";
3391		3727
		3728	reload_materials;
3392	reload_facedata;	3729	reload_facedata;
		3730	reload_exp_table;
		3731	reload_sound;
3393	reload_archetypes;	3732	reload_archetypes;
3394	reload_regions;	3733	reload_regions;
3395	reload_treasures;	3734	reload_treasures;
3396		3735
3397	warn "finished reloading resource files\n";	3736	trace "finished reloading resource files\n";
3398	}
3399
3400	sub init {
3401	my $guard = freeze_mainloop;
3402
3403	reload_resources;
3404	}	3737	}
3405		3738
3406	sub reload_config {	3739	sub reload_config {
3407	open my $fh, "<:utf8", "$CONFDIR/config"	3740	trace "reloading config file...\n";
3408	or return;
3409		3741
3410	local $/;	3742	my $config = load_file "$CONFDIR/config";
3411	*CFG = YAML::Load <$fh>;	3743	utf8::decode $config;
		3744	*CFG = decode_yaml $config;
3412		3745
3413	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3414		3747
3415	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3748	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3416	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3749	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3417		3750
3418	if (exists $CFG{mlockall}) {	3751	if (exists $CFG{mlockall}) {
…		…
3422	};	3755	};
3423	warn $@ if $@;	3756	warn $@ if $@;
3424	}	3757	}
3425	}	3758	}
3426		3759
		3760	sub pidfile() {
		3761	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3762	or die "$PIDFILE: $!";
		3763	flock $fh, &Fcntl::LOCK_EX
		3764	or die "$PIDFILE: flock: $!";
		3765	$fh
		3766	}
		3767
		3768	# make sure only one server instance is running at any one time
		3769	sub atomic {
		3770	my $fh = pidfile;
		3771
		3772	my $pid = <$fh>;
		3773	kill 9, $pid if $pid > 0;
		3774
		3775	seek $fh, 0, 0;
		3776	print $fh $$;
		3777	}
		3778
		3779	sub main_loop {
		3780	trace "EV::loop starting\n";
		3781	if (1) {
		3782	EV::loop;
		3783	}
		3784	trace "EV::loop returned\n";
		3785	goto &main_loop unless $REALLY_UNLOOP;
		3786	}
		3787
3427	sub main {	3788	sub main {
		3789	cf::init_globals; # initialise logging
		3790
		3791	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3792	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3793	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3794	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3795
		3796	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3797
3428	# we must not ever block the main coroutine	3798	# we must not ever block the main coroutine
3429	local $Coro::idle = sub {	3799	$Coro::idle = sub {
3430	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3800	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3431	(async {	3801	(async {
3432	$Coro::current->{desc} = "IDLE BUG HANDLER";	3802	$Coro::current->{desc} = "IDLE BUG HANDLER";
3433	EV::loop EV::LOOP_ONESHOT;	3803	EV::loop EV::LOOP_ONESHOT;
3434	})->prio (Coro::PRIO_MAX);	3804	})->prio (Coro::PRIO_MAX);
3435	};	3805	};
3436		3806
3437	{	3807	evthread_start IO::AIO::poll_fileno;
3438	my $guard = freeze_mainloop;	3808
		3809	cf::sync_job {
		3810	cf::incloader::init ();
		3811
		3812	db_init;
		3813
		3814	cf::init_anim;
		3815	cf::init_attackmess;
		3816	cf::init_dynamic;
		3817
		3818	cf::load_settings;
		3819
		3820	reload_resources;
3439	reload_config;	3821	reload_config;
3440	db_init;	3822
		3823	cf::init_uuid;
		3824	cf::init_signals;
		3825	cf::init_skills;
		3826
		3827	cf::init_beforeplay;
		3828
		3829	atomic;
		3830
3441	load_extensions;	3831	load_extensions;
3442		3832
3443	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3833	utime time, time, $RUNTIMEFILE;
		3834
		3835	# no (long-running) fork's whatsoever before this point(!)
		3836	use POSIX ();
		3837	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3838
		3839	cf::_post_init 0;
3444	}	3840	};
3445		3841
3446	EV::loop;	3842	cf::object::thawer::errors_are_fatal 0;
		3843	info "parse errors in files are no longer fatal from this point on.\n";
		3844
		3845	AE::postpone {
		3846	undef &main; # free gobs of memory :)
		3847	};
		3848
		3849	goto &main_loop;
3447	}	3850	}
3448		3851
3449	#############################################################################	3852	#############################################################################
3450	# initialisation and cleanup	3853	# initialisation and cleanup
3451		3854
3452	# install some emergency cleanup handlers	3855	# install some emergency cleanup handlers
3453	BEGIN {	3856	BEGIN {
3454	our %SIGWATCHER = ();	3857	our %SIGWATCHER = ();
3455	for my $signal (qw(INT HUP TERM)) {	3858	for my $signal (qw(INT HUP TERM)) {
3456	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3859	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3457	cf::cleanup "SIG$signal";	3860	cf::cleanup "SIG$signal";
3458	};	3861	};
3459	}	3862	}
3460	}	3863	}
3461		3864
3462	sub write_runtime_sync {	3865	sub write_runtime_sync {
3463	my $runtime = "$LOCALDIR/runtime";	3866	my $t0 = AE::time;
3464		3867
3465	# first touch the runtime file to show we are still running:	3868	# first touch the runtime file to show we are still running:
3466	# the fsync below can take a very very long time.	3869	# the fsync below can take a very very long time.
3467		3870
3468	IO::AIO::aio_utime $runtime, undef, undef;	3871	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3469		3872
3470	my $guard = cf::lock_acquire "write_runtime";	3873	my $guard = cf::lock_acquire "write_runtime";
3471		3874
3472	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3875	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3473	or return;	3876	or return;
3474		3877
3475	my $value = $cf::RUNTIME + 90 + 10;	3878	my $value = $cf::RUNTIME + 90 + 10;
3476	# 10 is the runtime save interval, for a monotonic clock	3879	# 10 is the runtime save interval, for a monotonic clock
3477	# 60 allows for the watchdog to kill the server.	3880	# 60 allows for the watchdog to kill the server.
…		…
3487	aio_utime $fh, undef, undef;	3890	aio_utime $fh, undef, undef;
3488		3891
3489	close $fh	3892	close $fh
3490	or return;	3893	or return;
3491		3894
3492	aio_rename "$runtime~", $runtime	3895	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3493	and return;	3896	and return;
3494		3897
3495	warn "runtime file written.\n";	3898	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3496		3899
3497	1	3900	1
3498	}	3901	}
3499		3902
3500	our $uuid_lock;	3903	our $uuid_lock;
…		…
3509	my $uuid = "$LOCALDIR/uuid";	3912	my $uuid = "$LOCALDIR/uuid";
3510		3913
3511	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3914	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3512	or return;	3915	or return;
3513		3916
3514	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3917	my $value = uuid_seq uuid_cur;
		3918
		3919	unless ($value) {
		3920	info "cowardly refusing to write zero uuid value!\n";
		3921	return;
		3922	}
		3923
		3924	my $value = uuid_str $value + $uuid_skip;
3515	$uuid_skip = 0;	3925	$uuid_skip = 0;
3516		3926
3517	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3927	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3518	and return;	3928	and return;
3519		3929
…		…
3525	or return;	3935	or return;
3526		3936
3527	aio_rename "$uuid~", $uuid	3937	aio_rename "$uuid~", $uuid
3528	and return;	3938	and return;
3529		3939
3530	warn "uuid file written ($value).\n";	3940	trace "uuid file written ($value).\n";
3531		3941
3532	1	3942	1
3533		3943
3534	}	3944	}
3535		3945
…		…
3541	}	3951	}
3542		3952
3543	sub emergency_save() {	3953	sub emergency_save() {
3544	my $freeze_guard = cf::freeze_mainloop;	3954	my $freeze_guard = cf::freeze_mainloop;
3545		3955
3546	warn "enter emergency perl save\n";	3956	info "emergency_perl_save: enter\n";
		3957
		3958	# this is a trade-off: we want to be very quick here, so
		3959	# save all maps without fsync, and later call a global sync
		3960	# (which in turn might be very very slow)
		3961	local $USE_FSYNC = 0;
3547		3962
3548	cf::sync_job {	3963	cf::sync_job {
		3964	cf::write_runtime_sync; # external watchdog should not bark
		3965
3549	# use a peculiar iteration method to avoid tripping on perl	3966	# use a peculiar iteration method to avoid tripping on perl
3550	# refcount bugs in for. also avoids problems with players	3967	# refcount bugs in for. also avoids problems with players
3551	# and maps saved/destroyed asynchronously.	3968	# and maps saved/destroyed asynchronously.
3552	warn "begin emergency player save\n";	3969	info "emergency_perl_save: begin player save\n";
3553	for my $login (keys %cf::PLAYER) {	3970	for my $login (keys %cf::PLAYER) {
3554	my $pl = $cf::PLAYER{$login} or next;	3971	my $pl = $cf::PLAYER{$login} or next;
3555	$pl->valid or next;	3972	$pl->valid or next;
3556	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3973	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3557	$pl->save;	3974	$pl->save;
3558	}	3975	}
3559	warn "end emergency player save\n";	3976	info "emergency_perl_save: end player save\n";
3560		3977
3561	warn "begin emergency map save\n";	3978	cf::write_runtime_sync; # external watchdog should not bark
		3979
		3980	info "emergency_perl_save: begin map save\n";
3562	for my $path (keys %cf::MAP) {	3981	for my $path (keys %cf::MAP) {
3563	my $map = $cf::MAP{$path} or next;	3982	my $map = $cf::MAP{$path} or next;
3564	$map->valid or next;	3983	$map->valid or next;
3565	$map->save;	3984	$map->save;
3566	}	3985	}
3567	warn "end emergency map save\n";	3986	info "emergency_perl_save: end map save\n";
3568		3987
3569	warn "begin emergency database checkpoint\n";	3988	cf::write_runtime_sync; # external watchdog should not bark
		3989
		3990	info "emergency_perl_save: begin database checkpoint\n";
3570	BDB::db_env_txn_checkpoint $DB_ENV;	3991	BDB::db_env_txn_checkpoint $DB_ENV;
3571	warn "end emergency database checkpoint\n";	3992	info "emergency_perl_save: end database checkpoint\n";
3572		3993
3573	warn "begin write uuid\n";	3994	info "emergency_perl_save: begin write uuid\n";
3574	write_uuid_sync 1;	3995	write_uuid_sync 1;
3575	warn "end write uuid\n";	3996	info "emergency_perl_save: end write uuid\n";
		3997
		3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	trace "emergency_perl_save: syncing database to disk";
		4001	BDB::db_env_txn_checkpoint $DB_ENV;
		4002
		4003	info "emergency_perl_save: starting sync\n";
		4004	IO::AIO::aio_sync sub {
		4005	info "emergency_perl_save: finished sync\n";
		4006	};
		4007
		4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	trace "emergency_perl_save: flushing outstanding aio requests";
		4011	while (IO::AIO::nreqs || BDB::nreqs) {
		4012	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4013	}
		4014
		4015	cf::write_runtime_sync; # external watchdog should not bark
3576	};	4016	};
3577		4017
3578	warn "leave emergency perl save\n";	4018	info "emergency_perl_save: leave\n";
3579	}	4019	}
3580		4020
3581	sub post_cleanup {	4021	sub post_cleanup {
3582	my ($make_core) = @_;	4022	my ($make_core) = @_;
3583		4023
		4024	IO::AIO::flush;
		4025
3584	warn Carp::longmess "post_cleanup backtrace"	4026	error Carp::longmess "post_cleanup backtrace"
3585	if $make_core;	4027	if $make_core;
		4028
		4029	my $fh = pidfile;
		4030	unlink $PIDFILE if <$fh> == $$;
		4031	}
		4032
		4033	# a safer delete_package, copied from Symbol
		4034	sub clear_package($) {
		4035	my $pkg = shift;
		4036
		4037	# expand to full symbol table name if needed
		4038	unless ($pkg =~ /^main::.*::$/) {
		4039	$pkg = "main$pkg" if $pkg =~ /^::/;
		4040	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4041	$pkg .= '::' unless $pkg =~ /::$/;
		4042	}
		4043
		4044	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4045	my $stem_symtab = *{$stem}{HASH};
		4046
		4047	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4048	or return;
		4049
		4050	# clear all symbols
		4051	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4052	for my $name (keys %$leaf_symtab) {
		4053	_gv_clear *{"$pkg$name"};
		4054	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4055	}
3586	}	4056	}
3587		4057
3588	sub do_reload_perl() {	4058	sub do_reload_perl() {
3589	# can/must only be called in main	4059	# can/must only be called in main
3590	if ($Coro::current != $Coro::main) {	4060	unless (in_main) {
3591	warn "can only reload from main coroutine";	4061	error "can only reload from main coroutine";
3592	return;	4062	return;
3593	}	4063	}
3594		4064
3595	warn "reloading...";	4065	return if $RELOAD++;
3596		4066
3597	warn "entering sync_job";	4067	my $t1 = AE::time;
3598		4068
		4069	while ($RELOAD) {
		4070	cf::get_slot 0.1, -1, "reload_perl";
		4071	info "perl_reload: reloading...";
		4072
		4073	trace "perl_reload: entering sync_job";
		4074
3599	cf::sync_job {	4075	cf::sync_job {
3600	cf::write_runtime_sync; # external watchdog should not bark
3601	cf::emergency_save;	4076	#cf::emergency_save;
3602	cf::write_runtime_sync; # external watchdog should not bark
3603		4077
3604	warn "syncing database to disk";
3605	BDB::db_env_txn_checkpoint $DB_ENV;
3606
3607	# if anything goes wrong in here, we should simply crash as we already saved
3608
3609	warn "flushing outstanding aio requests";
3610	for (;;) {
3611	BDB::flush;
3612	IO::AIO::flush;
3613	Coro::cede_notself;
3614	last unless IO::AIO::nreqs || BDB::nreqs;
3615	warn "iterate...";
3616	}
3617
3618	++$RELOAD;
3619
3620	warn "cancelling all extension coros";	4078	trace "perl_reload: cancelling all extension coros";
3621	$_->cancel for values %EXT_CORO;	4079	$_->cancel for values %EXT_CORO;
3622	%EXT_CORO = ();	4080	%EXT_CORO = ();
3623		4081
3624	warn "removing commands";	4082	trace "perl_reload: removing commands";
3625	%COMMAND = ();	4083	%COMMAND = ();
3626		4084
3627	warn "removing ext/exti commands";	4085	trace "perl_reload: removing ext/exti commands";
3628	%EXTCMD = ();	4086	%EXTCMD = ();
3629	%EXTICMD = ();	4087	%EXTICMD = ();
3630		4088
3631	warn "unloading/nuking all extensions";	4089	trace "perl_reload: unloading/nuking all extensions";
3632	for my $pkg (@EXTS) {	4090	for my $pkg (@EXTS) {
3633	warn "... unloading $pkg";	4091	trace "... unloading $pkg";
3634		4092
3635	if (my $cb = $pkg->can ("unload")) {	4093	if (my $cb = $pkg->can ("unload")) {
3636	eval {	4094	eval {
3637	$cb->($pkg);	4095	$cb->($pkg);
3638	1	4096	1
3639	} or warn "$pkg unloaded, but with errors: $@";	4097	} or error "$pkg unloaded, but with errors: $@";
		4098	}
		4099
		4100	trace "... clearing $pkg";
		4101	clear_package $pkg;
3640	}	4102	}
3641		4103
3642	warn "... nuking $pkg";
3643	Symbol::delete_package $pkg;
3644	}
3645
3646	warn "unloading all perl modules loaded from $LIBDIR";	4104	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3647	while (my ($k, $v) = each %INC) {	4105	while (my ($k, $v) = each %INC) {
3648	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4106	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3649		4107
3650	warn "... unloading $k";	4108	trace "... unloading $k";
3651	delete $INC{$k};	4109	delete $INC{$k};
3652		4110
3653	$k =~ s/\.pm$//;	4111	$k =~ s/\.pm$//;
3654	$k =~ s/\//::/g;	4112	$k =~ s/\//::/g;
3655		4113
3656	if (my $cb = $k->can ("unload_module")) {	4114	if (my $cb = $k->can ("unload_module")) {
3657	$cb->();	4115	$cb->();
		4116	}
		4117
		4118	clear_package $k;
3658	}	4119	}
3659		4120
3660	Symbol::delete_package $k;
3661	}
3662
3663	warn "getting rid of safe::, as good as possible";	4121	trace "perl_reload: getting rid of safe::, as good as possible";
3664	Symbol::delete_package "safe::$_"	4122	clear_package "safe::$_"
3665	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4123	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3666		4124
3667	warn "unloading cf.pm \"a bit\"";	4125	trace "perl_reload: unloading cf.pm \"a bit\"";
3668	delete $INC{"cf.pm"};	4126	delete $INC{"cf.pm"};
3669	delete $INC{"cf/pod.pm"};	4127	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3670		4128
3671	# don't, removes xs symbols, too,	4129	# don't, removes xs symbols, too,
3672	# and global variables created in xs	4130	# and global variables created in xs
3673	#Symbol::delete_package __PACKAGE__;	4131	#clear_package __PACKAGE__;
3674		4132
3675	warn "unload completed, starting to reload now";	4133	info "perl_reload: unload completed, starting to reload now";
3676		4134
3677	warn "reloading cf.pm";	4135	trace "perl_reload: reloading cf.pm";
3678	require cf;	4136	require cf;
3679	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4137	cf::_connect_to_perl_1;
3680		4138
3681	warn "loading config and database again";	4139	trace "perl_reload: loading config and database again";
3682	cf::reload_config;	4140	cf::reload_config;
3683		4141
3684	warn "loading extensions";	4142	trace "perl_reload: loading extensions";
3685	cf::load_extensions;	4143	cf::load_extensions;
3686		4144
		4145	if ($REATTACH_ON_RELOAD) {
3687	warn "reattaching attachments to objects/players";	4146	trace "perl_reload: reattaching attachments to objects/players";
3688	_global_reattach; # objects, sockets	4147	_global_reattach; # objects, sockets
3689	warn "reattaching attachments to maps";	4148	trace "perl_reload: reattaching attachments to maps";
3690	reattach $_ for values %MAP;	4149	reattach $_ for values %MAP;
3691	warn "reattaching attachments to players";	4150	trace "perl_reload: reattaching attachments to players";
3692	reattach $_ for values %PLAYER;	4151	reattach $_ for values %PLAYER;
		4152	}
3693		4153
3694	warn "leaving sync_job";	4154	cf::_post_init 1;
3695		4155
		4156	trace "perl_reload: leaving sync_job";
		4157
3696	1	4158	1
3697	} or do {	4159	} or do {
3698	warn $@;	4160	error $@;
3699	cf::cleanup "error while reloading, exiting.";	4161	cf::cleanup "perl_reload: error, exiting.";
		4162	};
		4163
		4164	--$RELOAD;
3700	};	4165	}
3701		4166
3702	warn "reloaded";	4167	$t1 = AE::time - $t1;
		4168	info "perl_reload: completed in ${t1}s\n";
3703	};	4169	};
3704		4170
3705	our $RELOAD_WATCHER; # used only during reload	4171	our $RELOAD_WATCHER; # used only during reload
3706		4172
3707	sub reload_perl() {	4173	sub reload_perl() {
3708	# doing reload synchronously and two reloads happen back-to-back,	4174	# doing reload synchronously and two reloads happen back-to-back,
3709	# coro crashes during coro_state_free->destroy here.	4175	# coro crashes during coro_state_free->destroy here.
3710		4176
		4177	$RELOAD_WATCHER ||= cf::async {
		4178	Coro::AIO::aio_wait cache_extensions;
		4179
3711	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4180	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3712	do_reload_perl;	4181	do_reload_perl;
3713	undef $RELOAD_WATCHER;	4182	undef $RELOAD_WATCHER;
		4183	};
3714	};	4184	};
3715	}	4185	}
3716		4186
3717	register_command "reload" => sub {	4187	register_command "reload" => sub {
3718	my ($who, $arg) = @_;	4188	my ($who, $arg) = @_;
…		…
3724	reload_perl;	4194	reload_perl;
3725	};	4195	};
3726	}	4196	}
3727	};	4197	};
3728		4198
3729	unshift @INC, $LIBDIR;	4199	#############################################################################
3730		4200
3731	my $bug_warning = 0;	4201	my $bug_warning = 0;
3732		4202
3733	our @WAIT_FOR_TICK;
3734	our @WAIT_FOR_TICK_BEGIN;
3735
3736	sub wait_for_tick {	4203	sub wait_for_tick() {
3737	return if tick_inhibit || $Coro::current == $Coro::main;	4204	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3738		4205
3739	my $signal = new Coro::Signal;	4206	$WAIT_FOR_TICK->wait;
3740	push @WAIT_FOR_TICK, $signal;
3741	$signal->wait;
3742	}	4207	}
3743		4208
3744	sub wait_for_tick_begin {	4209	sub wait_for_tick_begin() {
3745	return if tick_inhibit || $Coro::current == $Coro::main;	4210	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3746		4211
3747	my $signal = new Coro::Signal;	4212	my $signal = new Coro::Signal;
3748	push @WAIT_FOR_TICK_BEGIN, $signal;	4213	push @WAIT_FOR_TICK_BEGIN, $signal;
3749	$signal->wait;	4214	$signal->wait;
3750	}	4215	}
…		…
3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4219	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3755	unless ++$bug_warning > 10;	4220	unless ++$bug_warning > 10;
3756	return;	4221	return;
3757	}	4222	}
3758		4223
3759	cf::server_tick; # one server iteration	4224	cf::one_tick; # one server iteration
		4225
		4226	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3760		4227
3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4228	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4229	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3763	Coro::async_pool {	4230	Coro::async_pool {
3764	$Coro::current->{desc} = "runtime saver";	4231	$Coro::current->{desc} = "runtime saver";
3765	write_runtime_sync	4232	write_runtime_sync
3766	or warn "ERROR: unable to write runtime file: $!";	4233	or error "ERROR: unable to write runtime file: $!";
3767	};	4234	};
3768	}	4235	}
3769		4236
3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4237	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3771	$sig->send;	4238	$sig->send;
3772	}	4239	}
3773	while (my $sig = shift @WAIT_FOR_TICK) {	4240	$WAIT_FOR_TICK->broadcast;
3774	$sig->send;
3775	}
3776		4241
3777	$LOAD = ($NOW - $TICK_START) / $TICK;	4242	$LOAD = ($NOW - $TICK_START) / $TICK;
3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4243	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3779		4244
3780	if (0) {	4245	if (0) {
3781	if ($NEXT_TICK) {	4246	if ($NEXT_TICK) {
3782	my $jitter = $TICK_START - $NEXT_TICK;	4247	my $jitter = $TICK_START - $NEXT_TICK;
3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4248	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3784	warn "jitter $JITTER\n";#d#	4249	debug "jitter $JITTER\n";#d#
3785	}	4250	}
3786	}	4251	}
3787	}	4252	}
3788		4253
3789	{	4254	{
3790	# configure BDB	4255	# configure BDB
		4256	info "initialising database";
3791		4257
3792	BDB::min_parallel 8;	4258	BDB::min_parallel 16;
3793	BDB::max_poll_reqs $TICK * 0.1;	4259	BDB::max_poll_reqs $TICK * 0.1;
3794	$AnyEvent::BDB::WATCHER->priority (1);	4260	#$AnyEvent::BDB::WATCHER->priority (1);
3795		4261
3796	unless ($DB_ENV) {	4262	unless ($DB_ENV) {
3797	$DB_ENV = BDB::db_env_create;	4263	$DB_ENV = BDB::db_env_create;
3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4264	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3799	| BDB::LOG_AUTOREMOVE, 1);	4265	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4266	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3800	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4267	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3801	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4268	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3802		4269
3803	cf::sync_job {	4270	cf::sync_job {
3804	eval {	4271	eval {
…		…
3823	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4290	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3824	};	4291	};
3825	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4292	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3826	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4293	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3827	};	4294	};
		4295
		4296	info "database initialised";
3828	}	4297	}
3829		4298
3830	{	4299	{
3831	# configure IO::AIO	4300	# configure IO::AIO
3832		4301
		4302	info "initialising aio";
3833	IO::AIO::min_parallel 8;	4303	IO::AIO::min_parallel 8;
3834	IO::AIO::max_poll_time $TICK * 0.1;	4304	IO::AIO::max_poll_time $TICK * 0.1;
3835	#undef $AnyEvent::AIO::WATCHER;	4305	undef $AnyEvent::AIO::WATCHER;
		4306	info "aio initialised";
3836	}	4307	}
3837		4308
3838	my $_log_backtrace;	4309	our $_log_backtrace;
		4310	our $_log_backtrace_last;
3839		4311
3840	sub _log_backtrace {	4312	sub _log_backtrace {
3841	my ($msg, @addr) = @_;	4313	my ($msg, @addr) = @_;
3842		4314
3843	$msg =~ s/\n//;	4315	$msg =~ s/\n$//;
3844		4316
		4317	if ($_log_backtrace_last eq $msg) {
		4318	LOG llevInfo, "[ABT] $msg\n";
		4319	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3845	# limit the # of concurrent backtraces	4320	# limit the # of concurrent backtraces
3846	if ($_log_backtrace < 2) {	4321	} elsif ($_log_backtrace < 2) {
		4322	$_log_backtrace_last = $msg;
3847	++$_log_backtrace;	4323	++$_log_backtrace;
		4324	my $perl_bt = Carp::longmess $msg;
3848	async {	4325	async {
3849	$Coro::current->{desc} = "abt $msg";	4326	$Coro::current->{desc} = "abt $msg";
3850		4327
3851	my @bt = fork_call {	4328	my @bt = fork_call {
3852	@addr = map { sprintf "%x", $_ } @addr;	4329	@addr = map { sprintf "%x", $_ } @addr;
…		…
3863	}	4340	}
3864		4341
3865	@funcs	4342	@funcs
3866	};	4343	};
3867		4344
3868	LOG llevInfo, "[ABT] $msg\n";	4345	LOG llevInfo, "[ABT] $perl_bt\n";
		4346	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3869	LOG llevInfo, "[ABT] $_\n" for @bt;	4347	LOG llevInfo, "[ABT] $_\n" for @bt;
3870	--$_log_backtrace;	4348	--$_log_backtrace;
3871	};	4349	};
3872	} else {	4350	} else {
3873	LOG llevInfo, "[ABT] $msg\n";	4351	LOG llevInfo, "[ABT] $msg\n";
3874	LOG llevInfo, "[ABT] [suppressed]\n";	4352	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3875	}	4353	}
3876	}	4354	}
3877		4355
3878	# load additional modules	4356	# load additional modules
3879	use cf::pod;	4357	require "cf/$_.pm" for @EXTRA_MODULES;
		4358	cf::_connect_to_perl_2;
3880		4359
3881	END { cf::emergency_save }	4360	END { cf::emergency_save }
3882		4361
3883	evthread_start IO::AIO::poll_fileno;
3884
3885	1	4362	1
3886		4363

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