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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.431 by elmex, Sun May 4 19:27:27 2008 UTC vs.
Revision 1.595 by root, Fri Nov 9 16:27:55 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 3.2;	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 ();
35		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
36	use Coro 4.50 ();	41	use Coro ();
37	use Coro::State;	42	use Coro::State;
38	use Coro::Handle;	43	use Coro::Handle;
39	use Coro::EV;	44	use Coro::EV;
		45	use Coro::AnyEvent;
40	use Coro::Timer;	46	use Coro::Timer;
41	use Coro::Signal;	47	use Coro::Signal;
42	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
43	use Coro::AIO;	51	use Coro::AIO;
44	use Coro::BDB;	52	use Coro::BDB 1.6;
45	use Coro::Storable;	53	use Coro::Storable;
46	use Coro::Util ();	54	use Coro::Util ();
47		55
		56	use Guard ();
48	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
49	use BDB ();	58	use BDB ();
50	use Data::Dumper;	59	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	60	use Fcntl;
53	use YAML ();	61	use YAML::XS ();
54	use IO::AIO 2.51 ();	62	use IO::AIO ();
55	use Time::HiRes;	63	use Time::HiRes;
56	use Compress::LZF;	64	use Compress::LZF;
57	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
58		68
59	# configure various modules to our taste	69	# configure various modules to our taste
60	#	70	#
61	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
62	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";
63	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
64		79
65	$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" };
66		82
67	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;
68		86
69	our %COMMAND = ();	87	our %COMMAND = ();
70	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
71		89
72	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
73	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
74	our %EXTICMD = ();	93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
77		97
78	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
80		102
81	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
82	our $DATADIR = datadir;	105	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
86	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
92	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;
93		126
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	129	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	130	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		131
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	132	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	133	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	134	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	135	our $DB_ENV;
105		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
106	our %CFG;	139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
107		141
108	our $UPTIME; $UPTIME ||= time;	142	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
110	our $NOW;	145	our $NOW;
111		146
112	our (%PLAYER, %PLAYER_LOADING); # all users	147	our (%PLAYER, %PLAYER_LOADING); # all users
113	our (%MAP, %MAP_LOADING ); # all maps	148	our (%MAP, %MAP_LOADING ); # all maps
114	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
…		…
119	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)
120	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	156	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
123		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 $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
		166
124	binmode STDOUT;	167	binmode STDOUT;
125	binmode STDERR;	168	binmode STDERR;
126		169
127	# read virtual server time, if available	170	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
132	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
133		178
134	mkdir $_	179	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		181
137	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
138		183
139	sub cf::map::normalise;	184	sub cf::map::normalise;
140		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
141	#############################################################################	190	#############################################################################
142		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
143	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
144		204
145	=over 4	205	=over 4
146		206
147	=item $cf::UPTIME	207	=item $cf::UPTIME
148		208
149	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.
150		225
151	=item $cf::RUNTIME	226	=item $cf::RUNTIME
152		227
153	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
154	every server tick.	229	every server tick.
155		230
156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
159		234
160	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
163	database environment.	238	database environment.
164		239
165	=item $cf::NOW
166
167	The time of the last (current) server tick.
168
169	=item $cf::TICK
170
171	The interval between server ticks, in seconds.
172
173	=item $cf::LOADAVG	240	=item $cf::LOADAVG
174		241
175	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
176	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
177	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
186	from wherever your confdir points to.	253	from wherever your confdir points to.
187		254
188	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
189		256
190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
191	returns directly I<after> the tick processing (and consequently, can only wake one process	258	returns directly I<after> the tick processing (and consequently, can only wake one thread
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193		260
		261	Note that cf::Wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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
194	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
195		279
196	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
197	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
198	that call.	282	that call.
199		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
200	=back	290	=back
201		291
202	=cut	292	=cut
203		293
204	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
205	*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 {
206	my $msg = join "", @_;	301	my $msg = join "", @_;
207		302
208	$msg .= "\n"	303	$msg .= "\n"
209	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
210		305
211	$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;
212		307
213	LOG llevError, $msg;	308	LOG llevWarn, $msg;
214	};	309	};
215	}
216		310
217	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
219		313
220	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	318	return;#d#
223	}#d#	319	}#d#
224		320
225	# kill coroutine otherwise	321	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	322	Coro::terminate
228	};	323	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		324
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	335	for my $pkg (qw(
243	cf::global cf::attachable	336	cf::global cf::attachable
244	cf::object cf::object::player	337	cf::object cf::object::player
245	cf::client cf::player	338	cf::client cf::player
246	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
247	cf::map cf::party cf::region	341	cf::party cf::region
248	)) {	342	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	344	}
252		345
253	$EV::DIED = sub {	346	$EV::DIED = sub {
254	warn "error in event callback: @_";	347	warn "error in event callback: $@";
255	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
256		354
257	#############################################################################	355	#############################################################################
258		356
259	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
260		358
…		…
281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
282	$d	380	$d
283	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
284	}	382	}
285		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
286	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
287		437
288	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
289		439
290	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		447
298	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
300		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
301	=item cf::lock_wait $string	513	=item cf::lock_wait $string
302		514
303	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
304		516
305	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
306		518
307	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
308	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,
309	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
310	returned.	522	returned.
311		523
312	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
313	deadlocked coro.	525	deadlocked coro.
…		…
319		531
320	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.
321		533
322	=cut	534	=cut
323		535
324	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		537
327	sub lock_wait($) {	538	sub lock_wait($) {
328	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	540	}
341		541
342	sub lock_acquire($) {	542	sub lock_acquire($) {
343	my ($key) = @_;	543	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	544	}
357		545
358	sub lock_active($) {	546	sub lock_active($) {
359	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	548	}
363		549
364	sub freeze_mainloop {	550	sub freeze_mainloop {
365	tick_inhibit_inc;	551	tick_inhibit_inc;
366		552
367	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
368	}	554	}
369		555
370	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
371		557
372	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
373	get spread over timer.	559	get spread over time.
374		560
375	=cut	561	=cut
376		562
377	sub periodic($$) {	563	sub periodic($$) {
378	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
382	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
383	}	569	}
384		570
385	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
386		572
387	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
388	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
389	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$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.
390		580
391	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
392	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
393		583
394	Useful for short background jobs.	584	Useful for short background jobs.
395		585
396	=cut	586	=cut
397		587
398	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
399	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
400		591
401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
403	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
404		595
405	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
406		598
407	while () {	599	while () {
408	next_job:	600	next_job:
		601
409	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
410	if ($avail > 0.01) {	603
411	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
412	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
413	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
414	$job->[2]->send;	608	$job->[2]->send;
415	Coro::cede;	609	Coro::cede;
416	goto next_job;	610	goto next_job;
417	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418	}	613	}
419	}	614	}
420		615
421	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
422	# 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
423	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
424	$signal->wait;
425	} else {	619	} else {
		620	$busy = 0;
426	Coro::schedule;	621	Coro::schedule;
427	}	622	}
428	}	623	}
429	};	624	};
430		625
431	sub get_slot($;$$) {	626	sub get_slot($;$$) {
432	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
433		628
434	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
435		630
436	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
437	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
438		634
439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
467	=cut	663	=cut
468		664
469	sub sync_job(&) {	665	sub sync_job(&) {
470	my ($job) = @_;	666	my ($job) = @_;
471		667
472	if ($Coro::current == $Coro::main) {	668	if (in_main) {
473	my $time = EV::time;	669	my $time = AE::time;
474		670
475	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
476	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
477		673
478	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
479		675
480	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
481		677
482	my $busy = 1;	678	my $busy = 1;
483	my @res;	679	my @res;
484		680
485	(async {	681	(async {
486	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
487	@res = eval { $job->() };	683	@res = eval { $job->() };
488	warn $@ if $@;	684	error $@ if $@;
489	undef $busy;	685	undef $busy;
490	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
491		687
492	while ($busy) {	688	while ($busy) {
493	if (Coro::nready) {	689	if (Coro::nready) {
…		…
495	} else {	691	} else {
496	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
497	}	693	}
498	}	694	}
499		695
500	my $time = EV::time - $time;	696	my $time = AE::time - $time;
501		697
502	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
503		699
504	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
505	} else {	701	} else {
…		…
527	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
528		724
529	$coro	725	$coro
530	}	726	}
531		727
532	=item fork_call { }, $args	728	=item fork_call { }, @args
533		729
534	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
535	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
536	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
537	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
538		734
539	=cut	735	=cut
540		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
541	sub fork_call(&@) {	741	sub fork_call(&@) {
542	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
543		743
544	# we seemingly have to make a local copy of the whole thing,	744	# we seemingly have to make a local copy of the whole thing,
545	# otherwise perl prematurely frees the stuff :/	745	# otherwise perl prematurely frees the stuff :/
546	# TODO: investigate and fix (likely this will be rather laborious)	746	# TODO: investigate and fix (likely this will be rather laborious)
547		747
548	my @res = Coro::Util::fork_eval {	748	my @res = Coro::Util::fork_eval {
549	reset_signals;	749	cf::post_fork;
550	&$cb	750	&$cb
551	}, @args;	751	} @args;
552		752
553	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	)
554	}	765	}
555		766
556	=item $coin = coin_from_name $name	767	=item $coin = coin_from_name $name
557		768
558	=cut	769	=cut
…		…
595	within each server.	806	within each server.
596		807
597	=cut	808	=cut
598		809
599	sub db_table($) {	810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
600	my ($name) = @_;	814	my ($name) = @_;
601	my $db = BDB::db_create $DB_ENV;	815	my $db = BDB::db_create $DB_ENV;
602		816
603	eval {	817	eval {
604	$db->set_flags (BDB::CHKSUM);	818	$db->set_flags (BDB::CHKSUM);
…		…
614	}	828	}
615		829
616	our $DB;	830	our $DB;
617		831
618	sub db_init {	832	sub db_init {
619	cf::sync_job {
620	$DB ||= db_table "db";	833	$DB ||= db_table "db";
621	};
622	}	834	}
623		835
624	sub db_get($$) {	836	sub db_get($$) {
625	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
626		838
627	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
628	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
629		843
630	$! ? ()	844	$! ? ()
631	: $data	845	: $data
632	}
633	}	846	}
634		847
635	sub db_put($$$) {	848	sub db_put($$$) {
636	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
665		878
666	my @data;	879	my @data;
667	my $md5;	880	my $md5;
668		881
669	for (0 .. $#$src) {	882	for (0 .. $#$src) {
670	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
671	or Carp::croak "$src->[$_]: $!";
672	}	884	}
673		885
674	# if processing is expensive, check	886	# if processing is expensive, check
675	# checksum first	887	# checksum first
676	if (1) {	888	if (1) {
…		…
693		905
694	my $t1 = Time::HiRes::time;	906	my $t1 = Time::HiRes::time;
695	my $data = $process->(\@data);	907	my $data = $process->(\@data);
696	my $t2 = Time::HiRes::time;	908	my $t2 = Time::HiRes::time;
697		909
698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
699		911
700	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
701	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
702	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
703		915
…		…
713		925
714	=cut	926	=cut
715		927
716	sub datalog($@) {	928	sub datalog($@) {
717	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
719	}	931	}
720		932
721	=back	933	=back
722		934
723	=cut	935	=cut
724		936
725	#############################################################################	937	#############################################################################
726		938
727	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
728		940
729	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
730	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")
731	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
732		944
733	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>
734	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
…		…
784	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
785		997
786	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
788		1000
789	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
790	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.
791		1003
792	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
793		1005
794	=over 4	1006	=over 4
…		…
918		1130
919	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
920	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
921		1133
922	} elsif (ref $type) {	1134	} elsif (ref $type) {
923	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
924		1136
925	} else {	1137	} else {
926	shift @arg;	1138	shift @arg;
927	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
928	}	1140	}
929	}	1141	}
930	}	1142	}
931		1143
932	sub _object_attach {	1144	sub _object_attach {
…		…
942	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
943	}	1155	}
944		1156
945	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
946	} else {	1158	} else {
947	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
948	}	1160	}
949		1161
950	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
951	}	1163	}
952		1164
…		…
1011		1223
1012	for (@$callbacks) {	1224	for (@$callbacks) {
1013	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
1014		1226
1015	if ($@) {	1227	if ($@) {
1016	warn "$@";
1017	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1018	override;	1229	override;
1019	}	1230	}
1020		1231
1021	return 1 if $override;	1232	return 1 if $override;
1022	}	1233	}
…		…
1085		1296
1086	sub reattach {	1297	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1299	my ($obj) = @_;
1089		1300
		1301	# no longer needed after getting rid of delete_package?
1090	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
1091		1303
1092	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
1093		1305
1094	@$registry = ();	1306	@$registry = ();
1095		1307
…		…
1100	for (@$attach) {	1312	for (@$attach) {
1101	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
1102	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
1103	}	1315	}
1104	} else {	1316	} else {
1105	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
1106	}	1318	}
1107	}	1319	}
1108	}	1320	}
1109		1321
1110	cf::attachable->attach (	1322	cf::attachable->attach (
…		…
1137	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
1138		1350
1139	sync_job {	1351	sync_job {
1140	if (length $$rdata) {	1352	if (length $$rdata) {
1141	utf8::decode (my $decname = $filename);	1353	utf8::decode (my $decname = $filename);
1142	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
1143	$decname, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
1144		1357
1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146	aio_chmod $fh, SAVE_MODE;	1359	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	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	}
1149	aio_close $fh;	1365	aio_close $fh;
1150		1366
1151	if (@$objs) {	1367	if (@$objs) {
1152	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) {
1153	aio_chmod $fh, SAVE_MODE;	1369	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
1156	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	}
1157	aio_close $fh;	1376	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1378	}
1160	} else {	1379	} else {
1161	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
1162	}	1381	}
1163		1382
1164	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1387	} else {
1166	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
1167	}	1389	}
1168	} else {	1390	} else {
1169	aio_unlink $filename;	1391	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1171	}	1393	}
…		…
1195	my $st = eval { Coro::Storable::thaw $av };	1417	my $st = eval { Coro::Storable::thaw $av };
1196	$av = $st->{objs};	1418	$av = $st->{objs};
1197	}	1419	}
1198		1420
1199	utf8::decode (my $decname = $filename);	1421	utf8::decode (my $decname = $filename);
1200	warn sprintf "loading %s (%d,%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1201	$decname, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
1202		1425
1203	($data, $av)	1426	($data, $av)
1204	}	1427	}
1205		1428
1206	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
…		…
1210	=cut	1433	=cut
1211		1434
1212	#############################################################################	1435	#############################################################################
1213	# command handling &c	1436	# command handling &c
1214		1437
1215	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1216		1439
1217	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
1218	$name.	1441	$name.
1219		1442
1220	=cut	1443	=cut
…		…
1226	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1227		1450
1228	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1229	}	1452	}
1230		1453
1231	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1232		1455
1233	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1234	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
1235	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
1236	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
1237	has logged in successfully.	1460	has logged in successfully.
1238		1461
1239	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1240	called.
1241		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
1242	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1243		1470
1244	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1245	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
1246	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
1247	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
1248	log-in.	1475	log-in.
1249		1476
1250	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1251	called.
1252		1478
1253	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1254		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1255	sub register_extcmd {	1486	sub register_extcmd($$) {
1256	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1257		1488
1258	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1259	}	1490	}
1260		1491
1261	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1262	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1263		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1264	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1265	}	1502	}
1266		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1267	cf::player->attach (	1512	cf::player->attach (
1268	on_command => sub {	1513	on_unknown_command => sub {
1269	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1270		1515
1271	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1272	or return;	1517	or return;
1273		1518
…		…
1281	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1282		1527
1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1284		1529
1285	if (ref $msg) {	1530	if (ref $msg) {
1286	my ($type, $reply, @payload) =	1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1287	"ARRAY" eq ref $msg
1288	? @$msg
1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1290		1532
1291	my @reply;
1292
1293	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}) {
1294	@reply = $cb->($pl, @payload);	1546	@reply = $cb->($pl, @payload);
		1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1295	}	1551	}
1296		1552
1297	$pl->ext_reply ($reply, @reply)
1298	if $reply;
1299
1300	} else {	1553	} else {
1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1302	}	1555	}
1303		1556
1304	cf::override;	1557	cf::override;
1305	},	1558	},
1306	);	1559	);
1307		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
1308	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1309	cf::sync_job {	1590	cf::sync_job {
1310	my %todo;	1591	my %todo;
1311		1592
1312	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1313	next unless -r $path;	1594	next unless -r $path;
…		…
1331		1612
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334		1615
1335	$ext{source} =	1616	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1337	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1338	. $source	1619	. $source
1339	. "\n};\n1";	1620	. "\n};\n1";
1340		1621
1341	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1342	}	1623	}
1343		1624
		1625	my $pass = 0;
1344	my %done;	1626	my %done;
1345	while (%todo) {	1627	while (%todo) {
1346	my $progress;	1628	my $progress;
1347		1629
		1630	++$pass;
		1631
		1632	ext:
1348	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1349	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1350	goto skip	1635	next ext
1351	unless exists $done{$_};	1636	unless exists $done{$_};
1352	}	1637	}
1353		1638
1354	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1355		1640
1356	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 $@) {
1357	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1358	: "$v->{base}: extension inactive.\n";
1359		1654
1360	if (exists $v->{meta}{mandatory}) {
1361	warn $msg;
1362	cf::cleanup "mandatory extension failed to load, exiting.";	1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1363	}	1656	if exists $v->{meta}{mandatory};
1364		1657
1365	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;
1366	}	1667	}
1367
1368	$done{$k} = delete $todo{$k};
1369	push @EXTS, $v->{pkg};
1370	$progress = 1;
1371	}	1668	}
1372		1669
1373	skip:	1670	unless ($progress) {
1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1375	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1376	}	1680	}
1377	};	1681	};
1378	}	1682	}
1379		1683
1380	#############################################################################	1684	#############################################################################
1381		1685
1382	=back	1686	=back
1383		1687
1384	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1385		1689
1386	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1387		1691
1388	=cut	1692	=cut
1389		1693
1390	package cf::player;	1694	package cf::player;
1391		1695
…		…
1434		1738
1435	sub exists($) {	1739	sub exists($) {
1436	my ($login) = @_;	1740	my ($login) = @_;
1437		1741
1438	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1440	}	1744	}
1441		1745
1442	sub find($) {	1746	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1748	my $login = $_[0];
…		…
1464	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1465	}	1769	}
1466	}	1770	}
1467	}	1771	}
1468		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($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
1469	sub save($) {	1786	sub save($) {
1470	my ($pl) = @_;	1787	my ($pl) = @_;
1471		1788
1472	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
1473		1790
…		…
1478		1795
1479	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1480	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1481		1798
1482	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];
1483		1803
1484	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1485	cf::cede_to_tick;	1805	cf::cede_to_tick;
1486	}	1806	}
1487		1807
…		…
1519	my ($pl) = @_;	1839	my ($pl) = @_;
1520		1840
1521	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1522		1842
1523	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1524	$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
1525		1845
1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1527	$pl->deactivate;	1847	$pl->deactivate;
		1848
		1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1528	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1529	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1530		1854
1531	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1532	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1533	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1587	\@logins	1911	\@logins
1588	}	1912	}
1589		1913
1590	=item $player->maps	1914	=item $player->maps
1591		1915
		1916	=item cf::player::maps $login
		1917
1592	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1593	player. May block.	1919	player. May block.
1594		1920
1595	=cut	1921	=cut
1596		1922
…		…
1613	}	1939	}
1614		1940
1615	\@paths	1941	\@paths
1616	}	1942	}
1617		1943
1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1619		1945
1620	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1621
1622	=cut
1623
1624	use re 'eval';
1625
1626	my $group;
1627	my $interior; $interior = qr{
1628	# match a pod interior sequence sans C<< >>
1629	(?:
1630	\ (.*?)\ (?{ $group = $^N })
1631	| < (??{$interior}) >
1632	)
1633	}x;
1634
1635	sub expand_cfpod {
1636	my ($self, $pod) = @_;
1637
1638	my $xml;
1639
1640	while () {
1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1642	$group = $1;
1643
1644	$group =~ s/&/&amp;/g;
1645	$group =~ s/</&lt;/g;
1646
1647	$xml .= $group;
1648	} elsif ($pod =~ m%\G
1649	([BCGHITU])
1650	<
1651	(?:
1652	([^<>]*) (?{ $group = $^N })
1653	| < $interior >
1654	)
1655	>
1656	%gcsx
1657	) {
1658	my ($code, $data) = ($1, $group);
1659
1660	if ($code eq "B") {
1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1662	} elsif ($code eq "I") {
1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1664	} elsif ($code eq "U") {
1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1666	} elsif ($code eq "C") {
1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1668	} elsif ($code eq "T") {
1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1670	} elsif ($code eq "G") {
1671	my ($male, $female) = split /\|/, $data;
1672	$data = $self->gender ? $female : $male;
1673	$xml .= expand_cfpod ($self, $data);
1674	} elsif ($code eq "H") {
1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1677	"")
1678	[$self->{hintmode}];
1679	} else {
1680	$xml .= "error processing '$code($data)' directive";
1681	}
1682	} else {
1683	if ($pod =~ /\G(.+)/) {
1684	warn "parse error while expanding $pod (at $1)";
1685	}
1686	last;
1687	}
1688	}
1689
1690	for ($xml) {
1691	# create single paragraphs (very hackish)
1692	s/(?<=\S)\n(?=\w)/ /g;
1693
1694	# compress some whitespace
1695	s/\s+\n/\n/g; # ws line-ends
1696	s/\n\n+/\n/g; # double lines
1697	s/^\n+//; # beginning lines
1698	s/\n+$//; # ending lines
1699	}
1700
1701	$xml
1702	}
1703
1704	no re 'eval';
1705
1706	sub hintmode {
1707	$_[0]{hintmode} = $_[1] if @_ > 1;
1708	$_[0]{hintmode}
1709	}
1710
1711	=item $player->ext_reply ($msgid, @msg)
1712
1713	Sends an ext reply to the player.
1714
1715	=cut
1716
1717	sub ext_reply($$@) {
1718	my ($self, $id, @msg) = @_;
1719
1720	$self->ns->ext_reply ($id, @msg)
1721	}
1722		1947
1723	=item $player->ext_msg ($type, @msg)	1948	=item $player->ext_msg ($type, @msg)
1724		1949
1725	Sends an ext event to the client.	1950	Sends an ext event to the client.
1726		1951
…		…
1746		1971
1747	=cut	1972	=cut
1748		1973
1749	sub find_by_path($) {	1974	sub find_by_path($) {
1750	my ($path) = @_;	1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
1751		1978
1752	my ($match, $specificity);	1979	my ($match, $specificity);
1753		1980
1754	for my $region (list) {	1981	for my $region (list) {
1755	if ($region->{match} && $path =~ $region->{match}) {	1982	if ($region->{match} && $path =~ $region->{match}) {
…		…
1784	sub generate_random_map {	2011	sub generate_random_map {
1785	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1786		2013
1787	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
1788		2015
1789	# mit "rum" bekleckern, nicht
1790	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1794	$rmp->{exit_on_final_map},
1795	$rmp->{xsize}, $rmp->{ysize},
1796	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1797	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1798	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1799	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1800	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1801	(cf::region::find $rmp->{region}), $rmp->{custom}
1802	)
1803	}	2017	}
1804		2018
1805	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1806		2020
1807	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
…		…
1812		2026
1813	sub register {	2027	sub register {
1814	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1815	my $pkg = caller;	2029	my $pkg = caller;
1816		2030
1817	no strict;
1818	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1819		2032
1820	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1821	}	2034	}
1822		2035
1823	# also paths starting with '/'	2036	# also paths starting with '/'
1824	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1825		2038
1826	sub thawer_merge {	2039	sub thawer_merge {
1827	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1828		2041
1829	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1834	}	2047	}
1835		2048
1836	sub normalise {	2049	sub normalise {
1837	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1838		2051
1839	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1840		2053
1841	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1842		2055
1843	# map plan:	2056	# map plan:
1844	#	2057	#
…		…
1859	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1860	$path = "$base/$path";	2073	$path = "$base/$path";
1861	}	2074	}
1862		2075
1863	for ($path) {	2076	for ($path) {
1864	redo if s{//}{/};
1865	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1866	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1867	}	2079	}
1868		2080
1869	$path	2081	$path
…		…
1883	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1884	return $self;	2096	return $self;
1885	}	2097	}
1886	}	2098	}
1887		2099
1888	Carp::cluck "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1889	()	2101	()
1890	}	2102	}
1891		2103
		2104	# may re-bless or do other evil things
1892	sub init {	2105	sub init {
1893	my ($self) = @_;	2106	my ($self) = @_;
1894		2107
1895	$self	2108	$self
1896	}	2109	}
…		…
1927		2140
1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1929	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1930	}	2143	}
1931		2144
1932	# and all this just because we cannot iterate over
1933	# all maps in C++...
1934	sub change_all_map_light {
1935	my ($change) = @_;
1936
1937	$_->change_map_light ($change)
1938	for grep $_->outdoor, values %cf::MAP;
1939	}
1940
1941	sub decay_objects {	2145	sub decay_objects {
1942	my ($self) = @_;	2146	my ($self) = @_;
1943		2147
1944	return if $self->{deny_reset};	2148	return if $self->{deny_reset};
1945		2149
…		…
1970	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1971		2175
1972	1	2176	1
1973	}	2177	}
1974		2178
		2179	# used to laod the header of an original map
1975	sub load_header_orig {	2180	sub load_header_orig {
1976	my ($self) = @_;	2181	my ($self) = @_;
1977		2182
1978	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1979	}	2184	}
1980		2185
		2186	# used to laod the header of an instantiated map
1981	sub load_header_temp {	2187	sub load_header_temp {
1982	my ($self) = @_;	2188	my ($self) = @_;
1983		2189
1984	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1985	}	2191	}
1986		2192
		2193	# called after loading the header from an instantiated map
1987	sub prepare_temp {	2194	sub prepare_temp {
1988	my ($self) = @_;	2195	my ($self) = @_;
1989		2196
1990	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1991	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1992	# safety	2199	# safety
1993	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1994	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1995	}	2202	}
1996		2203
		2204	# called after loading the header from an original map
1997	sub prepare_orig {	2205	sub prepare_orig {
1998	my ($self) = @_;	2206	my ($self) = @_;
1999		2207
2000	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
2001	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2025		2233
2026	sub find;	2234	sub find;
2027	sub find {	2235	sub find {
2028	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
2029		2237
		2238	cf::cede_to_tick;
		2239
2030	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
2031		2241
2032	cf::lock_wait "map_data:$path";#d#remove	2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2033	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
2034		2244
2035	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
2036	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2037	my $guard2 = cf::lock_acquire "map_find:$path";
2038
2039	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
2040	or return;	2247	or return;
2041		2248
2042	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
2043		2250
…		…
2055		2262
2056	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
2057	}	2264	}
2058	}	2265	}
2059		2266
2060	sub pre_load { }	2267	sub pre_load { }
2061	sub post_load { }	2268	#sub post_load { } # XS
2062		2269
2063	sub load {	2270	sub load {
2064	my ($self) = @_;	2271	my ($self) = @_;
2065		2272
2066	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2069		2276
2070	{	2277	{
2071	my $guard = cf::lock_acquire "map_data:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
2072		2279
2073	return unless $self->valid;	2280	return unless $self->valid;
2074	return unless $self->in_memory == cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
2075
2076	$self->in_memory (cf::MAP_LOADING);
2077		2282
2078	$self->alloc;	2283	$self->alloc;
2079		2284
2080	$self->pre_load;	2285	$self->pre_load;
2081	cf::cede_to_tick;	2286	cf::cede_to_tick;
2082		2287
		2288	if (exists $self->{load_path}) {
2083	my $f = new_from_file cf::object::thawer $self->{load_path};	2289	my $f = new_from_file cf::object::thawer $self->{load_path};
2084	$f->skip_block;	2290	$f->skip_block;
2085	$self->_load_objects ($f)	2291	$self->_load_objects ($f)
2086	or return;	2292	or return;
2087		2293
2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
2089	if delete $self->{load_original};	2295	if delete $self->{load_original};
2090		2296
2091	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
2092	utf8::encode $uniq;	2298	utf8::encode $uniq;
2093	unless (aio_stat $uniq) {	2299	unless (aio_stat $uniq) {
2094	if (my $f = new_from_file cf::object::thawer $uniq) {	2300	if (my $f = new_from_file cf::object::thawer $uniq) {
2095	$self->clear_unique_items;	2301	$self->clear_unique_items;
2096	$self->_load_objects ($f);	2302	$self->_load_objects ($f);
2097	$f->resolve_delayed_derefs;	2303	$f->resolve_delayed_derefs;
		2304	}
2098	}	2305	}
2099	}	2306	}
2100	}
2101		2307
2102	$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);
2103		2315
2104	cf::cede_to_tick;	2316	cf::cede_to_tick;
2105	# now do the right thing for maps	2317	# now do the right thing for maps
2106	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
2107	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
…		…
2111	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
2112	$self->decay_objects;	2324	$self->decay_objects;
2113	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
2114	$self->update_buttons;	2326	$self->update_buttons;
2115	cf::cede_to_tick;	2327	cf::cede_to_tick;
2116	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
2117	cf::cede_to_tick;
2118	$self->activate;
2119	}	2329	}
2120		2330
2121	$self->{last_save} = $cf::RUNTIME;	2331	$self->{last_save} = $cf::RUNTIME;
2122	$self->last_access ($cf::RUNTIME);	2332	$self->last_access ($cf::RUNTIME);
2123
2124	$self->in_memory (cf::MAP_ACTIVE);
2125	}	2333	}
2126		2334
2127	$self->post_load;	2335	$self->post_load;
2128	}
2129		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
2130	sub customise_for {	2343	sub customise_for {
2131	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
2132		2345
2133	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
2134	if $self->per_player;	2347	if $self->per_player;
…		…
2137	# if $self->per_party;	2350	# if $self->per_party;
2138		2351
2139	$self	2352	$self
2140	}	2353	}
2141		2354
2142	# find and load all maps in the 3x3 area around a map
2143	sub load_neighbours {
2144	my ($map) = @_;
2145
2146	my @neigh; # diagonal neighbours
2147
2148	for (0 .. 3) {
2149	my $neigh = $map->tile_path ($_)
2150	or next;
2151	$neigh = find $neigh, $map
2152	or next;
2153	$neigh->load;
2154
2155	push @neigh,
2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2158	}
2159
2160	for (grep defined $_->[0], @neigh) {
2161	my ($path, $origin) = @$_;
2162	my $neigh = find $path, $origin
2163	or next;
2164	$neigh->load;
2165	}
2166	}
2167
2168	sub find_sync {	2355	sub find_sync {
2169	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
2170		2357
2171	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, $origin
2172	}	2363	}
2173		2364
2174	sub do_load_sync {	2365	sub do_load_sync {
2175	my ($map) = @_;	2366	my ($map) = @_;
2176		2367
		2368	# it's a bug to call this from the main context
2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2178	if $Coro::current == $Coro::main;	2370	if $Coro::current == $Coro::main;
2179		2371
2180	cf::sync_job { $map->load };	2372	$map->load;
2181	}	2373	}
2182		2374
2183	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
2184	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
2185		2377
2186	sub find_async {	2378	sub find_async {
2187	my ($path, $origin, $load) = @_;	2379	my ($path, $origin, $load) = @_;
2188		2380
2189	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
2190		2382
2191	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2384	return $map if !$load || $map->linkable;
2193	}	2385	}
2194		2386
2195	$MAP_PREFETCH{$path} |= $load;	2387	$MAP_PREFETCH{$path} |= $load;
2196		2388
2197	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
…		…
2211	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
2212		2404
2213	()	2405	()
2214	}	2406	}
2215		2407
		2408	# common code, used by both ->save and ->swapout
2216	sub save {	2409	sub _save {
2217	my ($self) = @_;	2410	my ($self) = @_;
2218
2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
2220		2411
2221	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
2222		2413
2223	return unless $self->dirty;	2414	return unless $self->dirty;
2224		2415
…		…
2244	} else {	2435	} else {
2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2246	}	2437	}
2247	}	2438	}
2248		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
2249	sub swap_out {	2448	sub swap_out {
2250	my ($self) = @_;	2449	my ($self) = @_;
2251		2450
2252	# save first because save cedes
2253	$self->save;
2254
2255	my $lock = cf::lock_acquire "map_data:$self->{path}";	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
2256		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
2257	return if $self->players;	2455	return if $self->players;
2258	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
2259	return if $self->{deny_save};	2473	return 1e99 if $self->{deny_reset};
2260		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
2261	$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};
2262		2507
2263	$self->deactivate;	2508	$self->deactivate;
2264	$_->clear_links_to ($self) for values %cf::MAP;	2509	$_->clear_links_to ($self) for values %cf::MAP;
2265	$self->clear;	2510	$self->clear;
2266	}
2267
2268	sub reset_at {
2269	my ($self) = @_;
2270
2271	# TODO: safety, remove and allow resettable per-player maps
2272	return 1e99 if $self->{deny_reset};
2273
2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2276
2277	$time + $to
2278	}
2279
2280	sub should_reset {
2281	my ($self) = @_;
2282
2283	$self->reset_at <= $cf::RUNTIME
2284	}
2285
2286	sub reset {
2287	my ($self) = @_;
2288
2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
2290
2291	return if $self->players;
2292
2293	warn "resetting map ", $self->path;
2294
2295	$self->in_memory (cf::MAP_SWAPPED);
2296
2297	# need to save uniques path
2298	unless ($self->{deny_save}) {
2299	my $uniq = $self->uniq_path; utf8::encode $uniq;
2300
2301	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2302	if $uniq;
2303	}
2304
2305	delete $cf::MAP{$self->path};
2306
2307	$self->deactivate;
2308	$_->clear_links_to ($self) for values %cf::MAP;
2309	$self->clear;
2310		2511
2311	$self->unlink_save;	2512	$self->unlink_save;
2312	$self->destroy;	2513	$self->destroy;
2313	}	2514	}
2314		2515
…		…
2322		2523
2323	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2324		2525
2325	$self->unlink_save;	2526	$self->unlink_save;
2326		2527
2327	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2328	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2329	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2330	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2332		2533
…		…
2389	: normalise $_	2590	: normalise $_
2390	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2391	]	2592	]
2392	}	2593	}
2393		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
2394	=back	2627	=back
2395		2628
2396	=head3 cf::object	2629	=head3 cf::object
2397		2630
2398	=cut	2631	=cut
…		…
2463		2696
2464	our $SAY_CHANNEL = {	2697	our $SAY_CHANNEL = {
2465	id => "say",	2698	id => "say",
2466	title => "Map",	2699	title => "Map",
2467	reply => "say ",	2700	reply => "say ",
2468	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.",
2469	};	2702	};
2470		2703
2471	our $CHAT_CHANNEL = {	2704	our $CHAT_CHANNEL = {
2472	id => "chat",	2705	id => "chat",
2473	title => "Chat",	2706	title => "Chat",
…		…
2528		2761
2529	=item $player_object->enter_link	2762	=item $player_object->enter_link
2530		2763
2531	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}>).
2532		2765
2533	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.
2534	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.
2535		2770
2536	Will never block.	2771	Will never block.
2537		2772
2538	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2539		2774
…		…
2559	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2560	my ($self) = @_;	2795	my ($self) = @_;
2561		2796
2562	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2563		2798
		2799	++$self->{_link_recursion};
		2800
2564	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2565		2802
2566	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2567	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2568		2805
2569	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2570	}	2807	}
2571		2808
2572	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2573	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2574		2811
…		…
2591	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2592	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2593		2830
2594	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2595	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2596	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2597		2834
2598	$map->load;	2835	$map->load;
2599	$map->load_neighbours;
2600		2836
2601	return unless $self->contr->active;	2837	return unless $self->contr->active;
2602	$self->activate_recursive;
2603		2838
2604	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2605	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2606	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2607		2846
		2847	}
		2848
2608	=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)]])
2609		2850
2610	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
2611	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2612	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
2613	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
2614	be called at the end of this process.	2855	be called at the end of this process.
2615		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
2616	=cut	2860	=cut
2617		2861
2618	our $GOTOGEN;	2862	our $GOTOGEN;
2619		2863
2620	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2621	my ($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	}
2622		2872
2623	# 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
2624	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2625		2875
2626	$self->enter_link;	2876	$self->enter_link;
…		…
2646	($path, $x, $y) = (undef, undef, undef);	2896	($path, $x, $y) = (undef, undef, undef);
2647	}	2897	}
2648	}	2898	}
2649		2899
2650	my $map = eval {	2900	my $map = eval {
2651	my $map = defined $path ? cf::map::find $path : undef;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2652		2902
2653	if ($map) {	2903	if ($map) {
2654	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2655	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2656	} else {	2906	} else {
2657	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2658	}	2908	}
2659		2909
2660	$map	2910	$map
…		…
2668	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2669	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2670	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2671	}	2921	}
2672		2922
2673	$done->() if $done;	2923	$done->($self) if $done;
2674	})->prio (1);	2924	})->prio (1);
2675	}	2925	}
2676		2926
2677	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2678		2928
…		…
2746	$Coro::current->{desc} = "enter_exit";	2996	$Coro::current->{desc} = "enter_exit";
2747		2997
2748	unless (eval {	2998	unless (eval {
2749	$self->deactivate_recursive; # just to be sure	2999	$self->deactivate_recursive; # just to be sure
2750		3000
2751	# random map handling
2752	{
2753	my $guard = cf::lock_acquire "exit_prepare:$exit";
2754
2755	prepare_random_map $exit
2756	if $exit->slaying eq "/!";
2757	}
2758
2759	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
2760	my $x = $exit->stats->hp;	3002	my $x = $exit->stats->hp;
2761	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	}
2762		3027
2763	$self->goto ($map, $x, $y);	3028	$self->goto ($map, $x, $y);
2764		3029
2765	# if exit is damned, update players death & WoR home-position	3030	# if exit is damned, update players death & WoR home-position
2766	$self->contr->savebed ($map, $x, $y)	3031	$self->contr->savebed ($map, $x, $y)
2767	if $exit->flag (cf::FLAG_DAMNED);	3032	if $exit->flag (cf::FLAG_DAMNED);
2768		3033
2769	1	3034	1
2770	}) {	3035	}) {
2771	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2772	. "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. "
2773	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2774	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2775		3040
2776	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2777	$self->leave_link;	3042	$self->leave_link;
2778	}	3043	}
2779	})->prio (1);	3044	})->prio (1);
2780	}	3045	}
2781		3046
…		…
2793	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
2794	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
2795		3060
2796	utf8::encode $text;	3061	utf8::encode $text;
2797	$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);
2798	}	3088	}
2799		3089
2800	=item $client->send_msg ($channel, $msg, $color, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2801		3091
2802	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
…		…
2806		3096
2807	=cut	3097	=cut
2808		3098
2809	# non-persistent channels (usually the info channel)	3099	# non-persistent channels (usually the info channel)
2810	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	},
2811	"c/identify" => {	3107	"c/identify" => {
2812	id => "infobox",	3108	id => "infobox",
2813	title => "Identify",	3109	title => "Identify",
2814	reply => undef,	3110	reply => undef,
2815	tooltip => "Items recently identified",	3111	tooltip => "Items recently identified",
…		…
2817	"c/examine" => {	3113	"c/examine" => {
2818	id => "infobox",	3114	id => "infobox",
2819	title => "Examine",	3115	title => "Examine",
2820	reply => undef,	3116	reply => undef,
2821	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",
2822	},	3124	},
2823	"c/book" => {	3125	"c/book" => {
2824	id => "infobox",	3126	id => "infobox",
2825	title => "Book",	3127	title => "Book",
2826	reply => undef,	3128	reply => undef,
…		…
2842	id => "infobox",	3144	id => "infobox",
2843	title => "Body Parts",	3145	title => "Body Parts",
2844	reply => undef,	3146	reply => undef,
2845	tooltip => "Shows which body parts you posess and are available",	3147	tooltip => "Shows which body parts you posess and are available",
2846	},	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	},
2847	"c/uptime" => {	3185	"c/uptime" => {
2848	id => "infobox",	3186	id => "infobox",
2849	title => "Uptime",	3187	title => "Uptime",
2850	reply => undef,	3188	reply => undef,
2851	tooltip => "How long the server has been running since last restart",	3189	tooltip => "How long the server has been running since last restart",
…		…
2860	id => "party",	3198	id => "party",
2861	title => "Party",	3199	title => "Party",
2862	reply => "gsay ",	3200	reply => "gsay ",
2863	tooltip => "Messages and chat related to your party",	3201	tooltip => "Messages and chat related to your party",
2864	},	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" => $CHAT_CHANNEL,
2865	);	3211	);
2866		3212
2867	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2868	my ($self, $channel, $msg, $color, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2869		3215
2870	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
2871		3218
2872	$color &= cf::NDI_CLIENT_MASK; # just in case...	3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
2873		3220
2874	# check predefined channels, for the benefit of C	3221	# check predefined channels, for the benefit of C
2875	if ($CHANNEL{$channel}) {	3222	if ($CHANNEL{$channel}) {
2876	$channel = $CHANNEL{$channel};	3223	$channel = $CHANNEL{$channel};
2877		3224
2878	$self->ext_msg (channel_info => $channel)	3225	$self->ext_msg (channel_info => $channel);
2879	if $self->can_msg;
2880
2881	$channel = $channel->{id};	3226	$channel = $channel->{id};
2882		3227
2883	} elsif (ref $channel) {	3228	} elsif (ref $channel) {
2884	# send meta info to client, if not yet sent	3229	# send meta info to client, if not yet sent
2885	unless (exists $self->{channel}{$channel->{id}}) {	3230	unless (exists $self->{channel}{$channel->{id}}) {
2886	$self->{channel}{$channel->{id}} = $channel;	3231	$self->{channel}{$channel->{id}} = $channel;
2887	$self->ext_msg (channel_info => $channel)	3232	$self->ext_msg (channel_info => $channel);
2888	if $self->can_msg;
2889	}	3233	}
2890		3234
2891	$channel = $channel->{id};	3235	$channel = $channel->{id};
2892	}	3236	}
2893		3237
2894	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2895		3239
2896	if ($self->can_msg) {
2897	# default colour, mask it out	3240	# default colour, mask it out
2898	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2899	if $color & cf::NDI_DEF;	3242	if $color & cf::NDI_DEF;
2900		3243
2901	$self->send_packet ("msg " . $self->{json_coder}->encode (	3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
2902	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2903	} else {	3247	);
2904	if ($color >= 0) {
2905	# replace some tags by gcfclient-compatible ones
2906	for ($msg) {
2907	1 while
2908	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2909	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2910	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2911	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2912	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2913	}
2914		3248
2915	$color &= cf::NDI_COLOR_MASK;	3249	$self->send_big_packet ($pkt);
2916
2917	utf8::encode $msg;
2918
2919	if (0 && $msg =~ /\[/) {
2920	# COMMAND/INFO
2921	$self->send_packet ("drawextinfo $color 10 8 $msg")
2922	} else {
2923	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2924	$self->send_packet ("drawinfo $color $msg")
2925	}
2926	}
2927	}
2928	}	3250	}
2929		3251
2930	=item $client->ext_msg ($type, @msg)	3252	=item $client->ext_msg ($type, @msg)
2931		3253
2932	Sends an ext event to the client.	3254	Sends an ext event to the client.
…		…
2934	=cut	3256	=cut
2935		3257
2936	sub cf::client::ext_msg($$@) {	3258	sub cf::client::ext_msg($$@) {
2937	my ($self, $type, @msg) = @_;	3259	my ($self, $type, @msg) = @_;
2938		3260
2939	if ($self->extcmd == 2) {
2940	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2941	} elsif ($self->extcmd == 1) { # TODO: remove
2942	push @msg, msgtype => "event_$type";
2943	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2944	}
2945	}
2946
2947	=item $client->ext_reply ($msgid, @msg)
2948
2949	Sends an ext reply to the client.
2950
2951	=cut
2952
2953	sub cf::client::ext_reply($$@) {
2954	my ($self, $id, @msg) = @_;
2955
2956	if ($self->extcmd == 2) {
2957	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2958	} elsif ($self->extcmd == 1) {
2959	#TODO: version 1, remove
2960	unshift @msg, msgtype => "reply", msgid => $id;
2961	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2962	}
2963	}	3262	}
2964		3263
2965	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2966		3265
2967	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
3022	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
3023		3322
3024	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3025		3324
3026	if (ref $msg) {	3325	if (ref $msg) {
3027	my ($type, $reply, @payload) =	3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3028	"ARRAY" eq ref $msg
3029	? @$msg
3030	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3031		3327
3032	my @reply;
3033
3034	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}) {
3035	@reply = $cb->($ns, @payload);	3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
3036	}	3346	}
3037
3038	$ns->ext_reply ($reply, @reply)
3039	if $reply;
3040
3041	} else {	3347	} else {
3042	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";
3043	}	3349	}
3044		3350
3045	cf::override;	3351	cf::override;
3046	},	3352	},
3047	);	3353	);
…		…
3067		3373
3068	$coro	3374	$coro
3069	}	3375	}
3070		3376
3071	cf::client->attach (	3377	cf::client->attach (
3072	on_destroy => sub {	3378	on_client_destroy => sub {
3073	my ($ns) = @_;	3379	my ($ns) = @_;
3074		3380
3075	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3076	},	3382	},
3077	);	3383	);
…		…
3093	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
3094		3400
3095	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
3096		3402
3097	$safe->permit_only (Opcode::opset qw(	3403	$safe->permit_only (Opcode::opset qw(
3098	:base_core :base_mem :base_orig :base_math	3404	:base_core :base_mem :base_orig :base_math :base_loop
3099	grepstart grepwhile mapstart mapwhile	3405	grepstart grepwhile mapstart mapwhile
3100	sort time	3406	sort time
3101	));	3407	));
3102		3408
3103	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
…		…
3107	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
3108		3414
3109	cf::object	3415	cf::object
3110	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
3111	insert remove name archname title slaying race decrease split	3417	insert remove name archname title slaying race decrease split
		3418	value
3112		3419
3113	cf::object::player	3420	cf::object::player
3114	player	3421	player
3115		3422
3116	cf::player	3423	cf::player
…		…
3122	=cut	3429	=cut
3123		3430
3124	for (	3431	for (
3125	["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
3126	insert remove inv nrof name archname title slaying race	3433	insert remove inv nrof name archname title slaying race
3127	decrease split destroy)],	3434	decrease split destroy change_exp value msg lore send_msg)],
3128	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
3129	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
3130	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
3131	) {	3438	) {
3132	no strict 'refs';
3133	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
3134	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3135	for @funs;	3441	for @funs;
3136	}	3442	}
3137		3443
…		…
3152		3458
3153	my $qcode = $code;	3459	my $qcode = $code;
3154	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3155	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
3156		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
3157	local $_;	3466	local $_;
3158	local @safe::cf::_safe_eval_args = values %vars;
3159		3467
3160	my $eval =	3468	my $eval =
3161	"do {\n"	3469	"do {\n"
3162	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3163	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
3164	. $code	3472	. $code
3165	. "\n}"	3473	. "\n}"
3166	;	3474	;
3167		3475
		3476	if ($CFG{safe_eval}) {
3168	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
3169	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3170	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	}
3171		3485
3172	if ($@) {	3486	if ($@) {
3173	warn "$@";	3487	warn "$@",
3174	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
3175	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
3176	}	3490	}
3177		3491
3178	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
3179	}	3493	}
3180		3494
…		…
3194	=cut	3508	=cut
3195		3509
3196	sub register_script_function {	3510	sub register_script_function {
3197	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
3198		3512
3199	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
3200	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
3201	}	3515	}
3202		3516
3203	=back	3517	=back
3204		3518
3205	=cut	3519	=cut
3206		3520
3207	#############################################################################	3521	#############################################################################
3208	# 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 add_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	}
3209		3547
3210	sub load_facedata($) {	3548	sub load_facedata($) {
3211	my ($path) = @_;	3549	my ($path) = @_;
3212		3550
3213	# 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
3214	# for this (global event?)	3552	# for this (global event?)
3215	%ext::player_env::MUSIC_FACE_CACHE = ();	3553	%ext::player_env::MUSIC_FACE_CACHE = ();
3216		3554
3217	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3555	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3218		3556
3219	warn "loading facedata from $path\n";	3557	trace "loading facedata from $path\n";
3220		3558
3221	my $facedata;	3559	my $facedata = decode_storable load_file $path;
3222	0 < aio_load $path, $facedata
3223	or die "$path: $!";
3224
3225	$facedata = Coro::Storable::thaw $facedata;
3226		3560
3227	$facedata->{version} == 2	3561	$facedata->{version} == 2
3228	or cf::cleanup "$path: version mismatch, cannot proceed.";	3562	or cf::cleanup "$path: version mismatch, cannot proceed.";
3229		3563
3230	# patch in the exptable
3231	$facedata->{resource}{"res/exp_table"} = {
3232	type => FT_RSRC,
3233	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3234	};
3235	cf::cede_to_tick;	3564	cf::cede_to_tick;
3236		3565
3237	{	3566	{
3238	my $faces = $facedata->{faceinfo};	3567	my $faces = $facedata->{faceinfo};
3239		3568
3240	while (my ($face, $info) = each %$faces) {	3569	for my $face (sort keys %$faces) {
		3570	my $info = $faces->{$face};
3241	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3571	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3242		3572
3243	cf::face::set_visibility $idx, $info->{visibility};	3573	cf::face::set_visibility $idx, $info->{visibility};
3244	cf::face::set_magicmap $idx, $info->{magicmap};	3574	cf::face::set_magicmap $idx, $info->{magicmap};
3245	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3575	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3246	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3576	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3577	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3578	$FACEHASH{$info->{hash64}} = $idx;#d#
3247		3579
3248	cf::cede_to_tick;	3580	cf::cede_to_tick;
3249	}	3581	}
3250		3582
3251	while (my ($face, $info) = each %$faces) {	3583	while (my ($face, $info) = each %$faces) {
…		…
3256		3588
3257	if (my $smooth = cf::face::find $info->{smooth}) {	3589	if (my $smooth = cf::face::find $info->{smooth}) {
3258	cf::face::set_smooth $idx, $smooth;	3590	cf::face::set_smooth $idx, $smooth;
3259	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3591	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3260	} else {	3592	} else {
3261	warn "smooth face '$info->{smooth}' not found for face '$face'";	3593	error "smooth face '$info->{smooth}' not found for face '$face'";
3262	}	3594	}
3263		3595
3264	cf::cede_to_tick;	3596	cf::cede_to_tick;
3265	}	3597	}
3266	}	3598	}
…		…
3275		3607
3276	cf::anim::invalidate_all; # d'oh	3608	cf::anim::invalidate_all; # d'oh
3277	}	3609	}
3278		3610
3279	{	3611	{
3280	# TODO: for gcfclient pleasure, we should give resources
3281	# that gcfclient doesn't grok a >10000 face index.
3282	my $res = $facedata->{resource};	3612	my $res = $facedata->{resource};
3283		3613
3284	while (my ($name, $info) = each %$res) {	3614	while (my ($name, $info) = each %$res) {
3285	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
3286	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3617	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3287	my $data;
3288		3618
3289	if ($info->{type} & 1) {
3290	# prepend meta info
3291
3292	my $meta = $enc->encode ({
3293	name => $name,
3294	%{ $info->{meta} || {} },
3295	});
3296
3297	$data = pack "(w/a*)*", $meta, $info->{data};
3298	} else {
3299	$data = $info->{data};
3300	}
3301
3302	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3303	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#
3304	} else {	3623	} else {
3305	$RESOURCE{$name} = $info;	3624	# $RESOURCE{$name} = $info; # unused
3306	}	3625	}
3307		3626
3308	cf::cede_to_tick;	3627	cf::cede_to_tick;
3309	}	3628	}
3310	}	3629	}
3311		3630
3312	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3631	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3313		3632
3314	1	3633	1
3315	}	3634	}
3316
3317	cf::global->attach (on_resource_update => sub {
3318	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3319	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3320
3321	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3322	my $sound = $soundconf->{compat}[$_]
3323	or next;
3324
3325	my $face = cf::face::find "sound/$sound->[1]";
3326	cf::sound::set $sound->[0] => $face;
3327	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3328	}
3329
3330	while (my ($k, $v) = each %{$soundconf->{event}}) {
3331	my $face = cf::face::find "sound/$v";
3332	cf::sound::set $k => $face;
3333	}
3334	}
3335	});
3336		3635
3337	register_exticmd fx_want => sub {	3636	register_exticmd fx_want => sub {
3338	my ($ns, $want) = @_;	3637	my ($ns, $want) = @_;
3339		3638
3340	while (my ($k, $v) = each %$want) {	3639	while (my ($k, $v) = each %$want) {
…		…
3348	my $status = load_resource_file_ $_[0];	3647	my $status = load_resource_file_ $_[0];
3349	get_slot 0.1, 100;	3648	get_slot 0.1, 100;
3350	cf::arch::commit_load;	3649	cf::arch::commit_load;
3351		3650
3352	$status	3651	$status
		3652	}
		3653
		3654	sub reload_exp_table {
		3655	_reload_exp_table;
		3656
		3657	add_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;
3353	}	3665	}
3354		3666
3355	sub reload_regions {	3667	sub reload_regions {
3356	# 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
3357	# for this (global event?)	3669	# for this (global event?)
…		…
3372	}	3684	}
3373		3685
3374	sub reload_archetypes {	3686	sub reload_archetypes {
3375	load_resource_file "$DATADIR/archetypes"	3687	load_resource_file "$DATADIR/archetypes"
3376	or die "unable to load archetypes\n";	3688	or die "unable to load archetypes\n";
		3689
		3690	add_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	add_face "res/spell_paths" => FT_RSRC,
		3695	JSON::XS->new->utf8->canonical->encode (
		3696	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3697	);
3377	}	3698	}
3378		3699
3379	sub reload_treasures {	3700	sub reload_treasures {
3380	load_resource_file "$DATADIR/treasures"	3701	load_resource_file "$DATADIR/treasures"
3381	or die "unable to load treasurelists\n";	3702	or die "unable to load treasurelists\n";
3382	}	3703	}
3383		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
3384	sub reload_resources {	3725	sub reload_resources {
3385	warn "reloading resource files...\n";	3726	trace "reloading resource files...\n";
3386		3727
		3728	reload_materials;
3387	reload_facedata;	3729	reload_facedata;
		3730	reload_exp_table;
		3731	reload_sound;
3388	reload_archetypes;	3732	reload_archetypes;
3389	reload_regions;	3733	reload_regions;
3390	reload_treasures;	3734	reload_treasures;
3391		3735
3392	warn "finished reloading resource files\n";	3736	trace "finished reloading resource files\n";
3393	}
3394
3395	sub init {
3396	my $guard = freeze_mainloop;
3397
3398	reload_resources;
3399	}	3737	}
3400		3738
3401	sub reload_config {	3739	sub reload_config {
3402	open my $fh, "<:utf8", "$CONFDIR/config"	3740	trace "reloading config file...\n";
3403	or return;
3404		3741
3405	local $/;	3742	my $config = load_file "$CONFDIR/config";
3406	*CFG = YAML::Load <$fh>;	3743	utf8::decode $config;
		3744	*CFG = decode_yaml $config;
3407		3745
3408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3746	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3409		3747
3410	$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};
3411	$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};
3412		3750
3413	if (exists $CFG{mlockall}) {	3751	if (exists $CFG{mlockall}) {
…		…
3417	};	3755	};
3418	warn $@ if $@;	3756	warn $@ if $@;
3419	}	3757	}
3420	}	3758	}
3421		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
3422	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
3423	# we must not ever block the main coroutine	3798	# we must not ever block the main coroutine
3424	local $Coro::idle = sub {	3799	$Coro::idle = sub {
3425	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#
3426	(async {	3801	(async {
3427	$Coro::current->{desc} = "IDLE BUG HANDLER";	3802	$Coro::current->{desc} = "IDLE BUG HANDLER";
3428	EV::loop EV::LOOP_ONESHOT;	3803	EV::loop EV::LOOP_ONESHOT;
3429	})->prio (Coro::PRIO_MAX);	3804	})->prio (Coro::PRIO_MAX);
3430	};	3805	};
3431		3806
3432	{	3807	evthread_start IO::AIO::poll_fileno;
3433	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;
3434	reload_config;	3821	reload_config;
3435	db_init;	3822
		3823	cf::init_uuid;
		3824	cf::init_signals;
		3825	cf::init_skills;
		3826
		3827	cf::init_beforeplay;
		3828
		3829	atomic;
		3830
3436	load_extensions;	3831	load_extensions;
3437		3832
3438	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3833	utime time, time, $RUNTIMEFILE;
3439	evthread_start IO::AIO::poll_fileno;	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;
3440	}	3840	};
3441		3841
3442	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;
3443	}	3850	}
3444		3851
3445	#############################################################################	3852	#############################################################################
3446	# initialisation and cleanup	3853	# initialisation and cleanup
3447		3854
3448	# install some emergency cleanup handlers	3855	# install some emergency cleanup handlers
3449	BEGIN {	3856	BEGIN {
3450	our %SIGWATCHER = ();	3857	our %SIGWATCHER = ();
3451	for my $signal (qw(INT HUP TERM)) {	3858	for my $signal (qw(INT HUP TERM)) {
3452	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3859	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3453	cf::cleanup "SIG$signal";	3860	cf::cleanup "SIG$signal";
3454	};	3861	};
3455	}	3862	}
3456	}	3863	}
3457		3864
3458	sub write_runtime_sync {	3865	sub write_runtime_sync {
3459	my $runtime = "$LOCALDIR/runtime";	3866	my $t0 = AE::time;
3460		3867
3461	# first touch the runtime file to show we are still running:	3868	# first touch the runtime file to show we are still running:
3462	# the fsync below can take a very very long time.	3869	# the fsync below can take a very very long time.
3463		3870
3464	IO::AIO::aio_utime $runtime, undef, undef;	3871	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3465		3872
3466	my $guard = cf::lock_acquire "write_runtime";	3873	my $guard = cf::lock_acquire "write_runtime";
3467		3874
3468	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3875	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3469	or return;	3876	or return;
3470		3877
3471	my $value = $cf::RUNTIME + 90 + 10;	3878	my $value = $cf::RUNTIME + 90 + 10;
3472	# 10 is the runtime save interval, for a monotonic clock	3879	# 10 is the runtime save interval, for a monotonic clock
3473	# 60 allows for the watchdog to kill the server.	3880	# 60 allows for the watchdog to kill the server.
…		…
3483	aio_utime $fh, undef, undef;	3890	aio_utime $fh, undef, undef;
3484		3891
3485	close $fh	3892	close $fh
3486	or return;	3893	or return;
3487		3894
3488	aio_rename "$runtime~", $runtime	3895	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3489	and return;	3896	and return;
3490		3897
3491	warn "runtime file written.\n";	3898	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3492		3899
3493	1	3900	1
3494	}	3901	}
3495		3902
3496	our $uuid_lock;	3903	our $uuid_lock;
…		…
3505	my $uuid = "$LOCALDIR/uuid";	3912	my $uuid = "$LOCALDIR/uuid";
3506		3913
3507	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3914	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3508	or return;	3915	or return;
3509		3916
3510	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;
3511	$uuid_skip = 0;	3925	$uuid_skip = 0;
3512		3926
3513	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3927	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3514	and return;	3928	and return;
3515		3929
…		…
3521	or return;	3935	or return;
3522		3936
3523	aio_rename "$uuid~", $uuid	3937	aio_rename "$uuid~", $uuid
3524	and return;	3938	and return;
3525		3939
3526	warn "uuid file written ($value).\n";	3940	trace "uuid file written ($value).\n";
3527		3941
3528	1	3942	1
3529		3943
3530	}	3944	}
3531		3945
…		…
3537	}	3951	}
3538		3952
3539	sub emergency_save() {	3953	sub emergency_save() {
3540	my $freeze_guard = cf::freeze_mainloop;	3954	my $freeze_guard = cf::freeze_mainloop;
3541		3955
3542	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;
3543		3962
3544	cf::sync_job {	3963	cf::sync_job {
		3964	cf::write_runtime_sync; # external watchdog should not bark
		3965
3545	# use a peculiar iteration method to avoid tripping on perl	3966	# use a peculiar iteration method to avoid tripping on perl
3546	# refcount bugs in for. also avoids problems with players	3967	# refcount bugs in for. also avoids problems with players
3547	# and maps saved/destroyed asynchronously.	3968	# and maps saved/destroyed asynchronously.
3548	warn "begin emergency player save\n";	3969	info "emergency_perl_save: begin player save\n";
3549	for my $login (keys %cf::PLAYER) {	3970	for my $login (keys %cf::PLAYER) {
3550	my $pl = $cf::PLAYER{$login} or next;	3971	my $pl = $cf::PLAYER{$login} or next;
3551	$pl->valid or next;	3972	$pl->valid or next;
3552	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3973	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3553	$pl->save;	3974	$pl->save;
3554	}	3975	}
3555	warn "end emergency player save\n";	3976	info "emergency_perl_save: end player save\n";
3556		3977
3557	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";
3558	for my $path (keys %cf::MAP) {	3981	for my $path (keys %cf::MAP) {
3559	my $map = $cf::MAP{$path} or next;	3982	my $map = $cf::MAP{$path} or next;
3560	$map->valid or next;	3983	$map->valid or next;
3561	$map->save;	3984	$map->save;
3562	}	3985	}
3563	warn "end emergency map save\n";	3986	info "emergency_perl_save: end map save\n";
3564		3987
3565	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";
3566	BDB::db_env_txn_checkpoint $DB_ENV;	3991	BDB::db_env_txn_checkpoint $DB_ENV;
3567	warn "end emergency database checkpoint\n";	3992	info "emergency_perl_save: end database checkpoint\n";
3568		3993
3569	warn "begin write uuid\n";	3994	info "emergency_perl_save: begin write uuid\n";
3570	write_uuid_sync 1;	3995	write_uuid_sync 1;
3571	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 $DB_ENV;
		4002
		4003	info "emergency_perl_save: starting sync\n";
		4004	IO::AIO::aio_sync sub {
		4005	info "emergency_perl_save: finished sync\n";
		4006	};
		4007
		4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	trace "emergency_perl_save: flushing outstanding aio requests";
		4011	while (IO::AIO::nreqs || BDB::nreqs) {
		4012	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4013	}
		4014
		4015	cf::write_runtime_sync; # external watchdog should not bark
3572	};	4016	};
3573		4017
3574	warn "leave emergency perl save\n";	4018	info "emergency_perl_save: leave\n";
3575	}	4019	}
3576		4020
3577	sub post_cleanup {	4021	sub post_cleanup {
3578	my ($make_core) = @_;	4022	my ($make_core) = @_;
3579		4023
		4024	IO::AIO::flush;
		4025
3580	warn Carp::longmess "post_cleanup backtrace"	4026	error Carp::longmess "post_cleanup backtrace"
3581	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	}
3582	}	4056	}
3583		4057
3584	sub do_reload_perl() {	4058	sub do_reload_perl() {
3585	# can/must only be called in main	4059	# can/must only be called in main
3586	if ($Coro::current != $Coro::main) {	4060	unless (in_main) {
3587	warn "can only reload from main coroutine";	4061	error "can only reload from main coroutine";
3588	return;	4062	return;
3589	}	4063	}
3590		4064
3591	warn "reloading...";	4065	return if $RELOAD++;
3592		4066
3593	warn "entering sync_job";	4067	my $t1 = AE::time;
3594		4068
		4069	while ($RELOAD) {
		4070	cf::get_slot 0.1, -1, "reload_perl";
		4071	info "perl_reload: reloading...";
		4072
		4073	trace "perl_reload: entering sync_job";
		4074
3595	cf::sync_job {	4075	cf::sync_job {
3596	cf::write_runtime_sync; # external watchdog should not bark
3597	cf::emergency_save;	4076	#cf::emergency_save;
3598	cf::write_runtime_sync; # external watchdog should not bark
3599		4077
3600	warn "syncing database to disk";
3601	BDB::db_env_txn_checkpoint $DB_ENV;
3602
3603	# if anything goes wrong in here, we should simply crash as we already saved
3604
3605	warn "flushing outstanding aio requests";
3606	for (;;) {
3607	BDB::flush;
3608	IO::AIO::flush;
3609	Coro::cede_notself;
3610	last unless IO::AIO::nreqs || BDB::nreqs;
3611	warn "iterate...";
3612	}
3613
3614	++$RELOAD;
3615
3616	warn "cancelling all extension coros";	4078	trace "perl_reload: cancelling all extension coros";
3617	$_->cancel for values %EXT_CORO;	4079	$_->cancel for values %EXT_CORO;
3618	%EXT_CORO = ();	4080	%EXT_CORO = ();
3619		4081
3620	warn "removing commands";	4082	trace "perl_reload: removing commands";
3621	%COMMAND = ();	4083	%COMMAND = ();
3622		4084
3623	warn "removing ext/exti commands";	4085	trace "perl_reload: removing ext/exti commands";
3624	%EXTCMD = ();	4086	%EXTCMD = ();
3625	%EXTICMD = ();	4087	%EXTICMD = ();
3626		4088
3627	warn "unloading/nuking all extensions";	4089	trace "perl_reload: unloading/nuking all extensions";
3628	for my $pkg (@EXTS) {	4090	for my $pkg (@EXTS) {
3629	warn "... unloading $pkg";	4091	trace "... unloading $pkg";
3630		4092
3631	if (my $cb = $pkg->can ("unload")) {	4093	if (my $cb = $pkg->can ("unload")) {
3632	eval {	4094	eval {
3633	$cb->($pkg);	4095	$cb->($pkg);
3634	1	4096	1
3635	} 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;
3636	}	4102	}
3637		4103
3638	warn "... nuking $pkg";
3639	Symbol::delete_package $pkg;
3640	}
3641
3642	warn "unloading all perl modules loaded from $LIBDIR";	4104	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3643	while (my ($k, $v) = each %INC) {	4105	while (my ($k, $v) = each %INC) {
3644	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4106	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3645		4107
3646	warn "... unloading $k";	4108	trace "... unloading $k";
3647	delete $INC{$k};	4109	delete $INC{$k};
3648		4110
3649	$k =~ s/\.pm$//;	4111	$k =~ s/\.pm$//;
3650	$k =~ s/\//::/g;	4112	$k =~ s/\//::/g;
3651		4113
3652	if (my $cb = $k->can ("unload_module")) {	4114	if (my $cb = $k->can ("unload_module")) {
3653	$cb->();	4115	$cb->();
		4116	}
		4117
		4118	clear_package $k;
3654	}	4119	}
3655		4120
3656	Symbol::delete_package $k;
3657	}
3658
3659	warn "getting rid of safe::, as good as possible";	4121	trace "perl_reload: getting rid of safe::, as good as possible";
3660	Symbol::delete_package "safe::$_"	4122	clear_package "safe::$_"
3661	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);
3662		4124
3663	warn "unloading cf.pm \"a bit\"";	4125	trace "perl_reload: unloading cf.pm \"a bit\"";
3664	delete $INC{"cf.pm"};	4126	delete $INC{"cf.pm"};
3665	delete $INC{"cf/pod.pm"};	4127	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3666		4128
3667	# don't, removes xs symbols, too,	4129	# don't, removes xs symbols, too,
3668	# and global variables created in xs	4130	# and global variables created in xs
3669	#Symbol::delete_package __PACKAGE__;	4131	#clear_package __PACKAGE__;
3670		4132
3671	warn "unload completed, starting to reload now";	4133	info "perl_reload: unload completed, starting to reload now";
3672		4134
3673	warn "reloading cf.pm";	4135	trace "perl_reload: reloading cf.pm";
3674	require cf;	4136	require cf;
3675	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4137	cf::_connect_to_perl_1;
3676		4138
3677	warn "loading config and database again";	4139	trace "perl_reload: loading config and database again";
3678	cf::reload_config;	4140	cf::reload_config;
3679		4141
3680	warn "loading extensions";	4142	trace "perl_reload: loading extensions";
3681	cf::load_extensions;	4143	cf::load_extensions;
3682		4144
		4145	if ($REATTACH_ON_RELOAD) {
3683	warn "reattaching attachments to objects/players";	4146	trace "perl_reload: reattaching attachments to objects/players";
3684	_global_reattach; # objects, sockets	4147	_global_reattach; # objects, sockets
3685	warn "reattaching attachments to maps";	4148	trace "perl_reload: reattaching attachments to maps";
3686	reattach $_ for values %MAP;	4149	reattach $_ for values %MAP;
3687	warn "reattaching attachments to players";	4150	trace "perl_reload: reattaching attachments to players";
3688	reattach $_ for values %PLAYER;	4151	reattach $_ for values %PLAYER;
		4152	}
3689		4153
3690	warn "leaving sync_job";	4154	cf::_post_init 1;
3691		4155
		4156	trace "perl_reload: leaving sync_job";
		4157
3692	1	4158	1
3693	} or do {	4159	} or do {
3694	warn $@;	4160	error $@;
3695	cf::cleanup "error while reloading, exiting.";	4161	cf::cleanup "perl_reload: error, exiting.";
		4162	};
		4163
		4164	--$RELOAD;
3696	};	4165	}
3697		4166
3698	warn "reloaded";	4167	$t1 = AE::time - $t1;
		4168	info "perl_reload: completed in ${t1}s\n";
3699	};	4169	};
3700		4170
3701	our $RELOAD_WATCHER; # used only during reload	4171	our $RELOAD_WATCHER; # used only during reload
3702		4172
3703	sub reload_perl() {	4173	sub reload_perl() {
3704	# doing reload synchronously and two reloads happen back-to-back,	4174	# doing reload synchronously and two reloads happen back-to-back,
3705	# coro crashes during coro_state_free->destroy here.	4175	# coro crashes during coro_state_free->destroy here.
3706		4176
		4177	$RELOAD_WATCHER ||= cf::async {
		4178	Coro::AIO::aio_wait cache_extensions;
		4179
3707	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4180	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3708	do_reload_perl;	4181	do_reload_perl;
3709	undef $RELOAD_WATCHER;	4182	undef $RELOAD_WATCHER;
		4183	};
3710	};	4184	};
3711	}	4185	}
3712		4186
3713	register_command "reload" => sub {	4187	register_command "reload" => sub {
3714	my ($who, $arg) = @_;	4188	my ($who, $arg) = @_;
…		…
3720	reload_perl;	4194	reload_perl;
3721	};	4195	};
3722	}	4196	}
3723	};	4197	};
3724		4198
3725	unshift @INC, $LIBDIR;	4199	#############################################################################
3726		4200
3727	my $bug_warning = 0;	4201	my $bug_warning = 0;
3728		4202
3729	our @WAIT_FOR_TICK;
3730	our @WAIT_FOR_TICK_BEGIN;
3731
3732	sub wait_for_tick {	4203	sub wait_for_tick() {
3733	return if tick_inhibit || $Coro::current == $Coro::main;	4204	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3734		4205
3735	my $signal = new Coro::Signal;	4206	$WAIT_FOR_TICK->wait;
3736	push @WAIT_FOR_TICK, $signal;
3737	$signal->wait;
3738	}	4207	}
3739		4208
3740	sub wait_for_tick_begin {	4209	sub wait_for_tick_begin() {
3741	return if tick_inhibit || $Coro::current == $Coro::main;	4210	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3742		4211
3743	my $signal = new Coro::Signal;	4212	my $signal = new Coro::Signal;
3744	push @WAIT_FOR_TICK_BEGIN, $signal;	4213	push @WAIT_FOR_TICK_BEGIN, $signal;
3745	$signal->wait;	4214	$signal->wait;
3746	}	4215	}
…		…
3750	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4219	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3751	unless ++$bug_warning > 10;	4220	unless ++$bug_warning > 10;
3752	return;	4221	return;
3753	}	4222	}
3754		4223
3755	cf::server_tick; # one server iteration	4224	cf::one_tick; # one server iteration
		4225
		4226	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3756		4227
3757	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4228	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3758	$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.;
3759	Coro::async_pool {	4230	Coro::async_pool {
3760	$Coro::current->{desc} = "runtime saver";	4231	$Coro::current->{desc} = "runtime saver";
3761	write_runtime_sync	4232	write_runtime_sync
3762	or warn "ERROR: unable to write runtime file: $!";	4233	or error "ERROR: unable to write runtime file: $!";
3763	};	4234	};
3764	}	4235	}
3765		4236
3766	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4237	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3767	$sig->send;	4238	$sig->send;
3768	}	4239	}
3769	while (my $sig = shift @WAIT_FOR_TICK) {	4240	$WAIT_FOR_TICK->broadcast;
3770	$sig->send;
3771	}
3772		4241
3773	$LOAD = ($NOW - $TICK_START) / $TICK;	4242	$LOAD = ($NOW - $TICK_START) / $TICK;
3774	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4243	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3775		4244
3776	if (0) {	4245	if (0) {
3777	if ($NEXT_TICK) {	4246	if ($NEXT_TICK) {
3778	my $jitter = $TICK_START - $NEXT_TICK;	4247	my $jitter = $TICK_START - $NEXT_TICK;
3779	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4248	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3780	warn "jitter $JITTER\n";#d#	4249	debug "jitter $JITTER\n";#d#
3781	}	4250	}
3782	}	4251	}
3783	}	4252	}
3784		4253
3785	{	4254	{
3786	# configure BDB	4255	# configure BDB
		4256	info "initialising database";
3787		4257
3788	BDB::min_parallel 8;	4258	BDB::min_parallel 16;
3789	BDB::max_poll_reqs $TICK * 0.1;	4259	BDB::max_poll_reqs $TICK * 0.1;
3790	$Coro::BDB::WATCHER->priority (1);	4260	#$AnyEvent::BDB::WATCHER->priority (1);
3791		4261
3792	unless ($DB_ENV) {	4262	unless ($DB_ENV) {
3793	$DB_ENV = BDB::db_env_create;	4263	$DB_ENV = BDB::db_env_create;
3794	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4264	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3795	| 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;
3796	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4267	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3797	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4268	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3798		4269
3799	cf::sync_job {	4270	cf::sync_job {
3800	eval {	4271	eval {
…		…
3819	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4290	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3820	};	4291	};
3821	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4292	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3822	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4293	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3823	};	4294	};
		4295
		4296	info "database initialised";
3824	}	4297	}
3825		4298
3826	{	4299	{
3827	# configure IO::AIO	4300	# configure IO::AIO
3828		4301
		4302	info "initialising aio";
3829	IO::AIO::min_parallel 8;	4303	IO::AIO::min_parallel 8;
3830	IO::AIO::max_poll_time $TICK * 0.1;	4304	IO::AIO::max_poll_time $TICK * 0.1;
3831	$Coro::AIO::WATCHER->priority (1);	4305	undef $AnyEvent::AIO::WATCHER;
		4306	info "aio initialised";
3832	}	4307	}
3833		4308
3834	my $_log_backtrace;	4309	our $_log_backtrace;
		4310	our $_log_backtrace_last;
3835		4311
3836	sub _log_backtrace {	4312	sub _log_backtrace {
3837	my ($msg, @addr) = @_;	4313	my ($msg, @addr) = @_;
3838		4314
3839	$msg =~ s/\n//;	4315	$msg =~ s/\n$//;
3840		4316
		4317	if ($_log_backtrace_last eq $msg) {
		4318	LOG llevInfo, "[ABT] $msg\n";
		4319	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3841	# limit the # of concurrent backtraces	4320	# limit the # of concurrent backtraces
3842	if ($_log_backtrace < 2) {	4321	} elsif ($_log_backtrace < 2) {
		4322	$_log_backtrace_last = $msg;
3843	++$_log_backtrace;	4323	++$_log_backtrace;
		4324	my $perl_bt = Carp::longmess $msg;
3844	async {	4325	async {
3845	$Coro::current->{desc} = "abt $msg";	4326	$Coro::current->{desc} = "abt $msg";
3846		4327
3847	my @bt = fork_call {	4328	my @bt = fork_call {
3848	@addr = map { sprintf "%x", $_ } @addr;	4329	@addr = map { sprintf "%x", $_ } @addr;
…		…
3859	}	4340	}
3860		4341
3861	@funcs	4342	@funcs
3862	};	4343	};
3863		4344
3864	LOG llevInfo, "[ABT] $msg\n";	4345	LOG llevInfo, "[ABT] $perl_bt\n";
		4346	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3865	LOG llevInfo, "[ABT] $_\n" for @bt;	4347	LOG llevInfo, "[ABT] $_\n" for @bt;
3866	--$_log_backtrace;	4348	--$_log_backtrace;
3867	};	4349	};
3868	} else {	4350	} else {
3869	LOG llevInfo, "[ABT] $msg\n";	4351	LOG llevInfo, "[ABT] $msg\n";
3870	LOG llevInfo, "[ABT] [suppressed]\n";	4352	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3871	}	4353	}
3872	}	4354	}
3873		4355
3874	# load additional modules	4356	# load additional modules
3875	use cf::pod;	4357	require "cf/$_.pm" for @EXTRA_MODULES;
		4358	cf::_connect_to_perl_2;
3876		4359
3877	END { cf::emergency_save }	4360	END { cf::emergency_save }
3878		4361
3879	1	4362	1
3880		4363

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