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Revision 1.433 by root, Sat May 10 22:38:52 2008 UTC vs.
Revision 1.594 by root, Fri Nov 9 02:50:50 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
35		40
36	use Coro ();	41	use Coro ();
37	use Coro::State;	42	use Coro::State;
38	use Coro::Handle;	43	use Coro::Handle;
39	use Coro::EV;	44	use Coro::EV;
		45	use Coro::AnyEvent;
40	use Coro::Timer;	46	use Coro::Timer;
41	use Coro::Signal;	47	use Coro::Signal;
42	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
43	use Coro::AnyEvent;	50	use Coro::AnyEvent;
44	use Coro::AIO;	51	use Coro::AIO;
45	use Coro::BDB;	52	use Coro::BDB 1.6;
46	use Coro::Storable;	53	use Coro::Storable;
47	use Coro::Util ();	54	use Coro::Util ();
48		55
		56	use Guard ();
49	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
50	use BDB ();	58	use BDB ();
51	use Data::Dumper;	59	use Data::Dumper;
52	use Digest::MD5;
53	use Fcntl;	60	use Fcntl;
54	use YAML ();	61	use YAML::XS ();
55	use IO::AIO ();	62	use IO::AIO ();
56	use Time::HiRes;	63	use Time::HiRes;
57	use Compress::LZF;	64	use Compress::LZF;
58	use Digest::MD5 ();	65	use Digest::MD5 ();
59		66
…		…
61		68
62	# configure various modules to our taste	69	# configure various modules to our taste
63	#	70	#
64	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
65	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";
66	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
67		79
68	$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" };
69		82
70	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;
71		86
72	our %COMMAND = ();	87	our %COMMAND = ();
73	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
74		89
75	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
76	our %EXTCMD = ();	91	our %EXTCMD = ();
		92	our %EXTACMD = ();
77	our %EXTICMD = ();	93	our %EXTICMD = ();
		94	our %EXTIACMD = ();
78	our %EXT_CORO = (); # coroutines bound to extensions	95	our %EXT_CORO = (); # coroutines bound to extensions
79	our %EXT_MAP = (); # pluggable maps	96	our %EXT_MAP = (); # pluggable maps
80		97
81	our $RELOAD; # number of reloads so far	98	our $RELOAD; # number of reloads so far, non-zero while in reload
82	our @EVENT;	99	our @EVENT;
		100	our @REFLECT; # set by XS
		101	our %REFLECT; # set by us
83		102
84	our $CONFDIR = confdir;	103	our $CONFDIR = confdir;
		104
85	our $DATADIR = datadir;	105	our $DATADIR = datadir;
86	our $LIBDIR = "$DATADIR/ext";	106	our $LIBDIR = "$DATADIR/ext";
87	our $PODDIR = "$DATADIR/pod";	107	our $PODDIR = "$DATADIR/pod";
88	our $MAPDIR = "$DATADIR/" . mapdir;	108	our $MAPDIR = "$DATADIR/" . mapdir;
		109
89	our $LOCALDIR = localdir;	110	our $LOCALDIR = localdir;
90	our $TMPDIR = "$LOCALDIR/" . tmpdir;	111	our $TMPDIR = "$LOCALDIR/" . tmpdir;
91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	112	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	113	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93	our $RANDOMDIR = "$LOCALDIR/random";	114	our $RANDOMDIR = "$LOCALDIR/random";
94	our $BDBDIR = "$LOCALDIR/db";	115	our $BDBDIR = "$LOCALDIR/db";
95	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;
96		126
97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	127	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	128	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
99	our $NEXT_TICK;	129	our $NEXT_TICK;
100	our $USE_FSYNC = 1; # use fsync to write maps - default off	130	our $USE_FSYNC = 1; # use fsync to write maps - default on
101		131
102	our $BDB_DEADLOCK_WATCHER;	132	our $BDB_DEADLOCK_WATCHER;
103	our $BDB_CHECKPOINT_WATCHER;	133	our $BDB_CHECKPOINT_WATCHER;
104	our $BDB_TRICKLE_WATCHER;	134	our $BDB_TRICKLE_WATCHER;
105	our $DB_ENV;	135	our $DB_ENV;
106		136
		137	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		138
107	our %CFG;	139	our %CFG;
		140	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
108		141
109	our $UPTIME; $UPTIME ||= time;	142	our $UPTIME; $UPTIME ||= time;
110	our $RUNTIME;	143	our $RUNTIME = 0;
		144	our $SERVER_TICK = 0;
111	our $NOW;	145	our $NOW;
112		146
113	our (%PLAYER, %PLAYER_LOADING); # all users	147	our (%PLAYER, %PLAYER_LOADING); # all users
114	our (%MAP, %MAP_LOADING ); # all maps	148	our (%MAP, %MAP_LOADING ); # all maps
115	our $LINK_MAP; # the special {link} map, which is always available	149	our $LINK_MAP; # the special {link} map, which is always available
…		…
120	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)
121	our $LOADAVG; # same thing, but with alpha-smoothing	155	our $LOADAVG; # same thing, but with alpha-smoothing
122	our $JITTER; # average jitter	156	our $JITTER; # average jitter
123	our $TICK_START; # for load detecting purposes	157	our $TICK_START; # for load detecting purposes
124		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 $WAIT_FOR_TICK = new Coro::Signal;
		165	our @WAIT_FOR_TICK_BEGIN;
		166
125	binmode STDOUT;	167	binmode STDOUT;
126	binmode STDERR;	168	binmode STDERR;
127		169
128	# read virtual server time, if available	170	# read virtual server time, if available
129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	171	unless ($RUNTIME || !-e $RUNTIMEFILE) {
130	open my $fh, "<", "$LOCALDIR/runtime"	172	open my $fh, "<", $RUNTIMEFILE
131	or die "unable to read runtime file: $!";	173	or die "unable to read $RUNTIMEFILE file: $!";
132	$RUNTIME = <$fh> + 0.;	174	$RUNTIME = <$fh> + 0.;
133	}	175	}
		176
		177	eval "sub TICK() { $TICK } 1" or die;
134		178
135	mkdir $_	179	mkdir $_
136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	180	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
137		181
138	our $EMERGENCY_POSITION;	182	our $EMERGENCY_POSITION;
139		183
140	sub cf::map::normalise;	184	sub cf::map::normalise;
141		185
		186	sub in_main() {
		187	$Coro::current == $Coro::main
		188	}
		189
142	#############################################################################	190	#############################################################################
143		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
144	=head2 GLOBAL VARIABLES	203	=head2 GLOBAL VARIABLES
145		204
146	=over 4	205	=over 4
147		206
148	=item $cf::UPTIME	207	=item $cf::UPTIME
149		208
150	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.
151		225
152	=item $cf::RUNTIME	226	=item $cf::RUNTIME
153		227
154	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
155	every server tick.	229	every server tick.
156		230
157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	231	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	232	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	233	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
160		234
161	Various directories - "/etc", read-only install directory, perl-library	235	Various directories - "/etc", read-only install directory, perl-library
162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	236	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
163	unique-items directory, player file directory, random maps directory and	237	unique-items directory, player file directory, random maps directory and
164	database environment.	238	database environment.
165		239
166	=item $cf::NOW
167
168	The time of the last (current) server tick.
169
170	=item $cf::TICK
171
172	The interval between server ticks, in seconds.
173
174	=item $cf::LOADAVG	240	=item $cf::LOADAVG
175		241
176	The current CPU load on the server (alpha-smoothed), as a value between 0	242	The current CPU load on the server (alpha-smoothed), as a value between 0
177	(none) and 1 (overloaded), indicating how much time is spent on processing	243	(none) and 1 (overloaded), indicating how much time is spent on processing
178	objects per tick. Healthy values are < 0.5.	244	objects per tick. Healthy values are < 0.5.
…		…
187	from wherever your confdir points to.	253	from wherever your confdir points to.
188		254
189	=item cf::wait_for_tick, cf::wait_for_tick_begin	255	=item cf::wait_for_tick, cf::wait_for_tick_begin
190		256
191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	257	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
192	returns directly I<after> the tick processing (and consequently, can only wake one process	258	returns directly I<after> the tick processing (and consequently, can only wake one thread
193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	259	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
194		260
		261	Note that cf::Wait_for_tick will immediately return when the server is not
		262	ticking, making it suitable for small pauses in threads that need to run
		263	when the server is paused. If that is not applicable (i.e. you I<really>
		264	want to wait, use C<$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
195	=item @cf::INVOKE_RESULTS	278	=item @cf::INVOKE_RESULTS
196		279
197	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
198	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
199	that call.	282	that call.
200		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
201	=back	290	=back
202		291
203	=cut	292	=cut
204		293
205	BEGIN {	294	sub error(@) { LOG llevError, join "", @_ }
206	*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 {
207	my $msg = join "", @_;	301	my $msg = join "", @_;
208		302
209	$msg .= "\n"	303	$msg .= "\n"
210	unless $msg =~ /\n$/;	304	unless $msg =~ /\n$/;
211		305
212	$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;
213		307
214	LOG llevError, $msg;	308	LOG llevWarn, $msg;
215	};	309	};
216	}
217		310
218	$Coro::State::DIEHOOK = sub {	311	$Coro::State::DIEHOOK = sub {
219	return unless $^S eq 0; # "eq", not "=="	312	return unless $^S eq 0; # "eq", not "=="
220		313
221	if ($Coro::current == $Coro::main) {#d#	314	error Carp::longmess $_[0];
		315
		316	if (in_main) {#d#
222	warn "DIEHOOK called in main context, Coro bug?\n";#d#	317	error "DIEHOOK called in main context, Coro bug?\n";#d#
223	return;#d#	318	return;#d#
224	}#d#	319	}#d#
225		320
226	# kill coroutine otherwise	321	# kill coroutine otherwise
227	warn Carp::longmess $_[0];
228	Coro::terminate	322	Coro::terminate
229	};	323	};
230
231	$SIG{__DIE__} = sub { }; #d#?
232		324
233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	325	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	326	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	327	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	328	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
243	for my $pkg (qw(	335	for my $pkg (qw(
244	cf::global cf::attachable	336	cf::global cf::attachable
245	cf::object cf::object::player	337	cf::object cf::object::player
246	cf::client cf::player	338	cf::client cf::player
247	cf::arch cf::living	339	cf::arch cf::living
		340	cf::map cf::mapspace
248	cf::map cf::party cf::region	341	cf::party cf::region
249	)) {	342	)) {
250	no strict 'refs';
251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	343	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
252	}	344	}
253		345
254	$EV::DIED = sub {	346	$EV::DIED = sub {
255	warn "error in event callback: @_";	347	warn "error in event callback: $@";
256	};	348	};
		349
		350	#############################################################################
		351
		352	sub fork_call(&@);
		353	sub get_slot($;$$);
257		354
258	#############################################################################	355	#############################################################################
259		356
260	=head2 UTILITY FUNCTIONS	357	=head2 UTILITY FUNCTIONS
261		358
…		…
282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	379	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
283	$d	380	$d
284	} || "[unable to dump $_[0]: '$@']";	381	} || "[unable to dump $_[0]: '$@']";
285	}	382	}
286		383
		384	=item $scalar = cf::load_file $path
		385
		386	Loads the given file from path and returns its contents. Croaks on error
		387	and can block.
		388
		389	=cut
		390
		391	sub load_file($) {
		392	0 <= aio_load $_[0], my $data
		393	or Carp::croak "$_[0]: $!";
		394
		395	$data
		396	}
		397
		398	=item $success = cf::replace_file $path, $data, $sync
		399
		400	Atomically replaces the file at the given $path with new $data, and
		401	optionally $sync the data to disk before replacing the file.
		402
		403	=cut
		404
		405	sub replace_file($$;$) {
		406	my ($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
287	=item $ref = cf::decode_json $json	436	=item $ref = cf::decode_json $json
288		437
289	Converts a JSON string into the corresponding perl data structure.	438	Converts a JSON string into the corresponding perl data structure.
290		439
291	=item $json = cf::encode_json $ref	440	=item $json = cf::encode_json $ref
…		…
297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	446	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
298		447
299	sub encode_json($) { $json_coder->encode ($_[0]) }	448	sub encode_json($) { $json_coder->encode ($_[0]) }
300	sub decode_json($) { $json_coder->decode ($_[0]) }	449	sub decode_json($) { $json_coder->decode ($_[0]) }
301		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
302	=item cf::lock_wait $string	513	=item cf::lock_wait $string
303		514
304	Wait until the given lock is available. See cf::lock_acquire.	515	Wait until the given lock is available. See cf::lock_acquire.
305		516
306	=item my $lock = cf::lock_acquire $string	517	=item my $lock = cf::lock_acquire $string
307		518
308	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
309	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,
310	for example when the coroutine gets canceled), the lock is automatically	521	for example when the coroutine gets canceled), the lock is automatically
311	returned.	522	returned.
312		523
313	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
314	deadlocked coro.	525	deadlocked coro.
…		…
320		531
321	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.
322		533
323	=cut	534	=cut
324		535
325	our %LOCK;	536	our $LOCKS = new Coro::SemaphoreSet;
326	our %LOCKER;#d#
327		537
328	sub lock_wait($) {	538	sub lock_wait($) {
329	my ($key) = @_;	539	$LOCKS->wait ($_[0]);
330
331	if ($LOCKER{$key} == $Coro::current) {#d#
332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
333	return;#d#
334	}#d#
335
336	# wait for lock, if any
337	while ($LOCK{$key}) {
338	push @{ $LOCK{$key} }, $Coro::current;
339	Coro::schedule;
340	}
341	}	540	}
342		541
343	sub lock_acquire($) {	542	sub lock_acquire($) {
344	my ($key) = @_;	543	$LOCKS->guard ($_[0])
345
346	# wait, to be sure we are not locked
347	lock_wait $key;
348
349	$LOCK{$key} = [];
350	$LOCKER{$key} = $Coro::current;#d#
351
352	Coro::guard {
353	delete $LOCKER{$key};#d#
354	# wake up all waiters, to be on the safe side
355	$_->ready for @{ delete $LOCK{$key} };
356	}
357	}	544	}
358		545
359	sub lock_active($) {	546	sub lock_active($) {
360	my ($key) = @_;	547	$LOCKS->count ($_[0]) < 1
361
362	! ! $LOCK{$key}
363	}	548	}
364		549
365	sub freeze_mainloop {	550	sub freeze_mainloop {
366	tick_inhibit_inc;	551	tick_inhibit_inc;
367		552
368	Coro::guard \&tick_inhibit_dec;	553	&Guard::guard (\&tick_inhibit_dec);
369	}	554	}
370		555
371	=item cf::periodic $interval, $cb	556	=item cf::periodic $interval, $cb
372		557
373	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
374	get spread over timer.	559	get spread over time.
375		560
376	=cut	561	=cut
377		562
378	sub periodic($$) {	563	sub periodic($$) {
379	my ($interval, $cb) = @_;	564	my ($interval, $cb) = @_;
…		…
383	EV::periodic $start, $interval, 0, $cb	568	EV::periodic $start, $interval, 0, $cb
384	}	569	}
385		570
386	=item cf::get_slot $time[, $priority[, $name]]	571	=item cf::get_slot $time[, $priority[, $name]]
387		572
388	Allocate $time seconds of blocking CPU time at priority C<$priority>:	573	Allocate $time seconds of blocking CPU time at priority C<$priority>
389	This call blocks and returns only when you have at least C<$time> seconds	574	(default: 0): This call blocks and returns only when you have at least
390	of cpu time till the next tick. The slot is only valid till the next cede.	575	C<$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.
391		580
392	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
393	used for statistical purposes and should identify the same time-class.	582	used for statistical purposes and should identify the same time-class.
394		583
395	Useful for short background jobs.	584	Useful for short background jobs.
396		585
397	=cut	586	=cut
398		587
399	our @SLOT_QUEUE;	588	our @SLOT_QUEUE;
400	our $SLOT_QUEUE;	589	our $SLOT_QUEUE;
		590	our $SLOT_DECAY = 0.9;
401		591
402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	592	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
403	$SLOT_QUEUE = Coro::async {	593	$SLOT_QUEUE = Coro::async {
404	$Coro::current->desc ("timeslot manager");	594	$Coro::current->desc ("timeslot manager");
405		595
406	my $signal = new Coro::Signal;	596	my $signal = new Coro::Signal;
		597	my $busy;
407		598
408	while () {	599	while () {
409	next_job:	600	next_job:
		601
410	my $avail = cf::till_tick;	602	my $avail = cf::till_tick;
411	if ($avail > 0.01) {	603
412	for (0 .. $#SLOT_QUEUE) {	604	for (0 .. $#SLOT_QUEUE) {
413	if ($SLOT_QUEUE[$_][0] < $avail) {	605	if ($SLOT_QUEUE[$_][0] <= $avail) {
		606	$busy = 0;
414	my $job = splice @SLOT_QUEUE, $_, 1, ();	607	my $job = splice @SLOT_QUEUE, $_, 1, ();
415	$job->[2]->send;	608	$job->[2]->send;
416	Coro::cede;	609	Coro::cede;
417	goto next_job;	610	goto next_job;
418	}	611	} else {
		612	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
419	}	613	}
420	}	614	}
421		615
422	if (@SLOT_QUEUE) {	616	if (@SLOT_QUEUE) {
423	# 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
424	push @cf::WAIT_FOR_TICK, $signal;	618	$WAIT_FOR_TICK->wait;
425	$signal->wait;
426	} else {	619	} else {
		620	$busy = 0;
427	Coro::schedule;	621	Coro::schedule;
428	}	622	}
429	}	623	}
430	};	624	};
431		625
432	sub get_slot($;$$) {	626	sub get_slot($;$$) {
433	return if tick_inhibit || $Coro::current == $Coro::main;	627	return if tick_inhibit || $Coro::current == $Coro::main;
434		628
435	my ($time, $pri, $name) = @_;	629	my ($time, $pri, $name) = @_;
436		630
437	$time = $TICK * .6 if $time > $TICK * .6;	631	$time = clamp $time, 0.01, $TICK * .6;
		632
438	my $sig = new Coro::Signal;	633	my $sig = new Coro::Signal;
439		634
440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	635	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	636	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
442	$SLOT_QUEUE->ready;	637	$SLOT_QUEUE->ready;
…		…
468	=cut	663	=cut
469		664
470	sub sync_job(&) {	665	sub sync_job(&) {
471	my ($job) = @_;	666	my ($job) = @_;
472		667
473	if ($Coro::current == $Coro::main) {	668	if (in_main) {
474	my $time = EV::time;	669	my $time = AE::time;
475		670
476	# this is the main coro, too bad, we have to block	671	# this is the main coro, too bad, we have to block
477	# till the operation succeeds, freezing the server :/	672	# till the operation succeeds, freezing the server :/
478		673
479	LOG llevError, Carp::longmess "sync job";#d#	674	#LOG llevError, Carp::longmess "sync job";#d#
480		675
481	my $freeze_guard = freeze_mainloop;	676	my $freeze_guard = freeze_mainloop;
482		677
483	my $busy = 1;	678	my $busy = 1;
484	my @res;	679	my @res;
485		680
486	(async {	681	(async {
487	$Coro::current->desc ("sync job coro");	682	$Coro::current->desc ("sync job coro");
488	@res = eval { $job->() };	683	@res = eval { $job->() };
489	warn $@ if $@;	684	error $@ if $@;
490	undef $busy;	685	undef $busy;
491	})->prio (Coro::PRIO_MAX);	686	})->prio (Coro::PRIO_MAX);
492		687
493	while ($busy) {	688	while ($busy) {
494	if (Coro::nready) {	689	if (Coro::nready) {
…		…
496	} else {	691	} else {
497	EV::loop EV::LOOP_ONESHOT;	692	EV::loop EV::LOOP_ONESHOT;
498	}	693	}
499	}	694	}
500		695
501	my $time = EV::time - $time;	696	my $time = AE::time - $time;
502		697
503	$TICK_START += $time; # do not account sync jobs to server load	698	$TICK_START += $time; # do not account sync jobs to server load
504		699
505	wantarray ? @res : $res[0]	700	wantarray ? @res : $res[0]
506	} else {	701	} else {
…		…
528	$EXT_CORO{$coro+0} = $coro;	723	$EXT_CORO{$coro+0} = $coro;
529		724
530	$coro	725	$coro
531	}	726	}
532		727
533	=item fork_call { }, $args	728	=item fork_call { }, @args
534		729
535	Executes the given code block with the given arguments in a seperate	730	Executes the given code block with the given arguments in a seperate
536	process, returning the results. Everything must be serialisable with	731	process, returning the results. Everything must be serialisable with
537	Coro::Storable. May, of course, block. Note that the executed sub may	732	Coro::Storable. May, of course, block. Note that the executed sub may
538	never block itself or use any form of event handling.	733	never block itself or use any form of event handling.
539		734
540	=cut	735	=cut
541		736
		737	sub post_fork {
		738	reset_signals;
		739	}
		740
542	sub fork_call(&@) {	741	sub fork_call(&@) {
543	my ($cb, @args) = @_;	742	my ($cb, @args) = @_;
544		743
545	# we seemingly have to make a local copy of the whole thing,	744	# we seemingly have to make a local copy of the whole thing,
546	# otherwise perl prematurely frees the stuff :/	745	# otherwise perl prematurely frees the stuff :/
547	# TODO: investigate and fix (likely this will be rather laborious)	746	# TODO: investigate and fix (likely this will be rather laborious)
548		747
549	my @res = Coro::Util::fork_eval {	748	my @res = Coro::Util::fork_eval {
550	reset_signals;	749	cf::post_fork;
551	&$cb	750	&$cb
552	}, @args;	751	} @args;
553		752
554	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	)
555	}	765	}
556		766
557	=item $coin = coin_from_name $name	767	=item $coin = coin_from_name $name
558		768
559	=cut	769	=cut
…		…
596	within each server.	806	within each server.
597		807
598	=cut	808	=cut
599		809
600	sub db_table($) {	810	sub db_table($) {
		811	cf::error "db_get called from main context"
		812	if $Coro::current == $Coro::main;
		813
601	my ($name) = @_;	814	my ($name) = @_;
602	my $db = BDB::db_create $DB_ENV;	815	my $db = BDB::db_create $DB_ENV;
603		816
604	eval {	817	eval {
605	$db->set_flags (BDB::CHKSUM);	818	$db->set_flags (BDB::CHKSUM);
…		…
615	}	828	}
616		829
617	our $DB;	830	our $DB;
618		831
619	sub db_init {	832	sub db_init {
620	cf::sync_job {
621	$DB ||= db_table "db";	833	$DB ||= db_table "db";
622	};
623	}	834	}
624		835
625	sub db_get($$) {	836	sub db_get($$) {
626	my $key = "$_[0]/$_[1]";	837	my $key = "$_[0]/$_[1]";
627		838
628	cf::sync_job {	839	cf::error "db_get called from main context"
		840	if $Coro::current == $Coro::main;
		841
629	BDB::db_get $DB, undef, $key, my $data;	842	BDB::db_get $DB, undef, $key, my $data;
630		843
631	$! ? ()	844	$! ? ()
632	: $data	845	: $data
633	}
634	}	846	}
635		847
636	sub db_put($$$) {	848	sub db_put($$$) {
637	BDB::dbreq_pri 4;	849	BDB::dbreq_pri 4;
638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	850	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
666		878
667	my @data;	879	my @data;
668	my $md5;	880	my $md5;
669		881
670	for (0 .. $#$src) {	882	for (0 .. $#$src) {
671	0 <= aio_load $src->[$_], $data[$_]	883	$data[$_] = load_file $src->[$_];
672	or Carp::croak "$src->[$_]: $!";
673	}	884	}
674		885
675	# if processing is expensive, check	886	# if processing is expensive, check
676	# checksum first	887	# checksum first
677	if (1) {	888	if (1) {
…		…
694		905
695	my $t1 = Time::HiRes::time;	906	my $t1 = Time::HiRes::time;
696	my $data = $process->(\@data);	907	my $data = $process->(\@data);
697	my $t2 = Time::HiRes::time;	908	my $t2 = Time::HiRes::time;
698		909
699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	910	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
700		911
701	db_put cache => "$id/data", $data;	912	db_put cache => "$id/data", $data;
702	db_put cache => "$id/md5" , $md5;	913	db_put cache => "$id/md5" , $md5;
703	db_put cache => "$id/meta", $meta;	914	db_put cache => "$id/meta", $meta;
704		915
…		…
714		925
715	=cut	926	=cut
716		927
717	sub datalog($@) {	928	sub datalog($@) {
718	my ($type, %kv) = @_;	929	my ($type, %kv) = @_;
719	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	930	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
720	}	931	}
721		932
722	=back	933	=back
723		934
724	=cut	935	=cut
725		936
726	#############################################################################	937	#############################################################################
727		938
728	=head2 ATTACHABLE OBJECTS	939	=head2 ATTACHABLE OBJECTS
729		940
730	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
731	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")
732	to it. All such attachable objects support the following methods.	943	to it. All such attachable objects support the following methods.
733		944
734	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>
735	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
…		…
785	=item cf::CLASS::attachment $name, ...	996	=item cf::CLASS::attachment $name, ...
786		997
787	Register an attachment by C<$name> through which attachable objects of the	998	Register an attachment by C<$name> through which attachable objects of the
788	given CLASS can refer to this attachment.	999	given CLASS can refer to this attachment.
789		1000
790	Some classes such as crossfire maps and objects can specify attachments	1001	Some classes such as deliantra maps and objects can specify attachments
791	that are attached at load/instantiate time, thus the need for a name.	1002	that are attached at load/instantiate time, thus the need for a name.
792		1003
793	These calls expect any number of the following handler/hook descriptions:	1004	These calls expect any number of the following handler/hook descriptions:
794		1005
795	=over 4	1006	=over 4
…		…
919		1130
920	} elsif (exists $cb_id{$type}) {	1131	} elsif (exists $cb_id{$type}) {
921	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1132	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
922		1133
923	} elsif (ref $type) {	1134	} elsif (ref $type) {
924	warn "attaching objects not supported, ignoring.\n";	1135	error "attaching objects not supported, ignoring.\n";
925		1136
926	} else {	1137	} else {
927	shift @arg;	1138	shift @arg;
928	warn "attach argument '$type' not supported, ignoring.\n";	1139	error "attach argument '$type' not supported, ignoring.\n";
929	}	1140	}
930	}	1141	}
931	}	1142	}
932		1143
933	sub _object_attach {	1144	sub _object_attach {
…		…
943	_attach $registry, $klass, @attach;	1154	_attach $registry, $klass, @attach;
944	}	1155	}
945		1156
946	$obj->{$name} = \%arg;	1157	$obj->{$name} = \%arg;
947	} else {	1158	} else {
948	warn "object uses attachment '$name' which is not available, postponing.\n";	1159	info "object uses attachment '$name' which is not available, postponing.\n";
949	}	1160	}
950		1161
951	$obj->{_attachment}{$name} = undef;	1162	$obj->{_attachment}{$name} = undef;
952	}	1163	}
953		1164
…		…
1012		1223
1013	for (@$callbacks) {	1224	for (@$callbacks) {
1014	eval { &{$_->[1]} };	1225	eval { &{$_->[1]} };
1015		1226
1016	if ($@) {	1227	if ($@) {
1017	warn "$@";
1018	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1228	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1019	override;	1229	override;
1020	}	1230	}
1021		1231
1022	return 1 if $override;	1232	return 1 if $override;
1023	}	1233	}
…		…
1086		1296
1087	sub reattach {	1297	sub reattach {
1088	# basically do the same as instantiate, without calling instantiate	1298	# basically do the same as instantiate, without calling instantiate
1089	my ($obj) = @_;	1299	my ($obj) = @_;
1090		1300
		1301	# no longer needed after getting rid of delete_package?
1091	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
1092		1303
1093	my $registry = $obj->registry;	1304	my $registry = $obj->registry;
1094		1305
1095	@$registry = ();	1306	@$registry = ();
1096		1307
…		…
1101	for (@$attach) {	1312	for (@$attach) {
1102	my ($klass, @attach) = @$_;	1313	my ($klass, @attach) = @$_;
1103	_attach $registry, $klass, @attach;	1314	_attach $registry, $klass, @attach;
1104	}	1315	}
1105	} else {	1316	} else {
1106	warn "object uses attachment '$name' that is not available, postponing.\n";	1317	info "object uses attachment '$name' that is not available, postponing.\n";
1107	}	1318	}
1108	}	1319	}
1109	}	1320	}
1110		1321
1111	cf::attachable->attach (	1322	cf::attachable->attach (
…		…
1138	my ($filename, $rdata, $objs) = @_;	1349	my ($filename, $rdata, $objs) = @_;
1139		1350
1140	sync_job {	1351	sync_job {
1141	if (length $$rdata) {	1352	if (length $$rdata) {
1142	utf8::decode (my $decname = $filename);	1353	utf8::decode (my $decname = $filename);
1143	warn sprintf "saving %s (%d,%d)\n",	1354	trace sprintf "saving %s (%d,%d)\n",
1144	$decname, length $$rdata, scalar @$objs;	1355	$decname, length $$rdata, scalar @$objs
		1356	if $VERBOSE_IO;
1145		1357
1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1358	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1147	aio_chmod $fh, SAVE_MODE;	1359	aio_chmod $fh, SAVE_MODE;
1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1360	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1149	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	}
1150	aio_close $fh;	1365	aio_close $fh;
1151		1366
1152	if (@$objs) {	1367	if (@$objs) {
1153	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) {
1154	aio_chmod $fh, SAVE_MODE;	1369	aio_chmod $fh, SAVE_MODE;
1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1370	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1156	aio_write $fh, 0, (length $data), $data, 0;	1371	aio_write $fh, 0, (length $data), $data, 0;
1157	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	}
1158	aio_close $fh;	1376	aio_close $fh;
1159	aio_rename "$filename.pst~", "$filename.pst";	1377	aio_rename "$filename.pst~", "$filename.pst";
1160	}	1378	}
1161	} else {	1379	} else {
1162	aio_unlink "$filename.pst";	1380	aio_unlink "$filename.pst";
1163	}	1381	}
1164		1382
1165	aio_rename "$filename~", $filename;	1383	aio_rename "$filename~", $filename;
		1384
		1385	$filename =~ s%/[^/]+$%%;
		1386	aio_pathsync $filename if $cf::USE_FSYNC;
1166	} else {	1387	} else {
1167	warn "FATAL: $filename~: $!\n";	1388	error "unable to save objects: $filename~: $!\n";
1168	}	1389	}
1169	} else {	1390	} else {
1170	aio_unlink $filename;	1391	aio_unlink $filename;
1171	aio_unlink "$filename.pst";	1392	aio_unlink "$filename.pst";
1172	}	1393	}
…		…
1196	my $st = eval { Coro::Storable::thaw $av };	1417	my $st = eval { Coro::Storable::thaw $av };
1197	$av = $st->{objs};	1418	$av = $st->{objs};
1198	}	1419	}
1199		1420
1200	utf8::decode (my $decname = $filename);	1421	utf8::decode (my $decname = $filename);
1201	warn sprintf "loading %s (%d,%d)\n",	1422	trace sprintf "loading %s (%d,%d)\n",
1202	$decname, length $data, scalar @{$av || []};	1423	$decname, length $data, scalar @{$av || []}
		1424	if $VERBOSE_IO;
1203		1425
1204	($data, $av)	1426	($data, $av)
1205	}	1427	}
1206		1428
1207	=head2 COMMAND CALLBACKS	1429	=head2 COMMAND CALLBACKS
…		…
1211	=cut	1433	=cut
1212		1434
1213	#############################################################################	1435	#############################################################################
1214	# command handling &c	1436	# command handling &c
1215		1437
1216	=item cf::register_command $name => \&callback($ob,$args);	1438	=item cf::register_command $name => \&callback($ob,$args)
1217		1439
1218	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
1219	$name.	1441	$name.
1220		1442
1221	=cut	1443	=cut
…		…
1227	#warn "registering command '$name/$time' to '$caller'";	1449	#warn "registering command '$name/$time' to '$caller'";
1228		1450
1229	push @{ $COMMAND{$name} }, [$caller, $cb];	1451	push @{ $COMMAND{$name} }, [$caller, $cb];
1230	}	1452	}
1231		1453
1232	=item cf::register_extcmd $name => \&callback($pl,$packet);	1454	=item cf::register_extcmd $name => \&callback($pl,@args)
1233		1455
1234	Register a callback for execution when the client sends an (synchronous)	1456	Register a callback for execution when the client sends an (synchronous)
1235	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
1236	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
1237	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
1238	has logged in successfully.	1460	has logged in successfully.
1239		1461
1240	If the callback returns something, it is sent back as if reply was being	1462	The values will be sent back to the client.
1241	called.
1242		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
1243	=item cf::register_exticmd $name => \&callback($ns,$packet);	1469	=item cf::register_exticmd $name => \&callback($ns,@args)
1244		1470
1245	Register a callback for execution when the client sends an (asynchronous)	1471	Register a callback for execution when the client sends an (asynchronous)
1246	exticmd packet. Exti commands are processed by the server as soon as they	1472	exticmd packet. Exti commands are processed by the server as soon as they
1247	are received, i.e. out of order w.r.t. other commands. The first argument	1473	are received, i.e. out of order w.r.t. other commands. The first argument
1248	is a client socket. Exti commands can be received anytime, even before	1474	is a client socket. Exti commands can be received anytime, even before
1249	log-in.	1475	log-in.
1250		1476
1251	If the callback returns something, it is sent back as if reply was being	1477	The values will be sent back to the client.
1252	called.
1253		1478
1254	=cut	1479	=item cf::register_async_exticmd $name => \&callback($ns,$reply->(...),@args)
1255		1480
		1481	Same as C<cf::register_extcmd>, but instead of returning values, the
		1482	callback needs to clal the C<$reply> function.
		1483
		1484	=cut
		1485
1256	sub register_extcmd {	1486	sub register_extcmd($$) {
1257	my ($name, $cb) = @_;	1487	my ($name, $cb) = @_;
1258		1488
1259	$EXTCMD{$name} = $cb;	1489	$EXTCMD{$name} = $cb;
1260	}	1490	}
1261		1491
1262	sub register_exticmd {	1492	sub register_async_extcmd($$) {
1263	my ($name, $cb) = @_;	1493	my ($name, $cb) = @_;
1264		1494
		1495	$EXTACMD{$name} = $cb;
		1496	}
		1497
		1498	sub register_exticmd($$) {
		1499	my ($name, $cb) = @_;
		1500
1265	$EXTICMD{$name} = $cb;	1501	$EXTICMD{$name} = $cb;
1266	}	1502	}
1267		1503
		1504	sub register_async_exticmd($$) {
		1505	my ($name, $cb) = @_;
		1506
		1507	$EXTIACMD{$name} = $cb;
		1508	}
		1509
		1510	use File::Glob ();
		1511
1268	cf::player->attach (	1512	cf::player->attach (
1269	on_command => sub {	1513	on_unknown_command => sub {
1270	my ($pl, $name, $params) = @_;	1514	my ($pl, $name, $params) = @_;
1271		1515
1272	my $cb = $COMMAND{$name}	1516	my $cb = $COMMAND{$name}
1273	or return;	1517	or return;
1274		1518
…		…
1282	my ($pl, $buf) = @_;	1526	my ($pl, $buf) = @_;
1283		1527
1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1528	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1285		1529
1286	if (ref $msg) {	1530	if (ref $msg) {
1287	my ($type, $reply, @payload) =	1531	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1288	"ARRAY" eq ref $msg
1289	? @$msg
1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1291		1532
1292	my @reply;
1293
1294	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}) {
1295	@reply = $cb->($pl, @payload);	1546	@reply = $cb->($pl, @payload);
		1547	}
		1548
		1549	$pl->ext_msg ("reply-$reply", @reply)
		1550	if $reply;
1296	}	1551	}
1297		1552
1298	$pl->ext_reply ($reply, @reply)
1299	if $reply;
1300
1301	} else {	1553	} else {
1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1554	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1303	}	1555	}
1304		1556
1305	cf::override;	1557	cf::override;
1306	},	1558	},
1307	);	1559	);
1308		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
1309	sub load_extensions {	1585	sub load_extensions {
		1586	info "loading extensions...";
		1587
		1588	%EXT_CFG = ();
		1589
1310	cf::sync_job {	1590	cf::sync_job {
1311	my %todo;	1591	my %todo;
1312		1592
1313	for my $path (<$LIBDIR/*.ext>) {	1593	for my $path (<$LIBDIR/*.ext>) {
1314	next unless -r $path;	1594	next unless -r $path;
…		…
1332		1612
1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1613	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1614	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1335		1615
1336	$ext{source} =	1616	$ext{source} =
1337	"package $pkg; use strict; use utf8;\n"	1617	"package $pkg; use common::sense;\n"
1338	. "#line 1 \"$path\"\n{\n"	1618	. "#line 1 \"$path\"\n{\n"
1339	. $source	1619	. $source
1340	. "\n};\n1";	1620	. "\n};\n1";
1341		1621
1342	$todo{$base} = \%ext;	1622	$todo{$base} = \%ext;
1343	}	1623	}
1344		1624
		1625	my $pass = 0;
1345	my %done;	1626	my %done;
1346	while (%todo) {	1627	while (%todo) {
1347	my $progress;	1628	my $progress;
1348		1629
		1630	++$pass;
		1631
		1632	ext:
1349	while (my ($k, $v) = each %todo) {	1633	while (my ($k, $v) = each %todo) {
1350	for (split /,\s*/, $v->{meta}{depends}) {	1634	for (split /,\s*/, $v->{meta}{depends}) {
1351	goto skip	1635	next ext
1352	unless exists $done{$_};	1636	unless exists $done{$_};
1353	}	1637	}
1354		1638
1355	warn "... loading '$k' into '$v->{pkg}'\n";	1639	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1356		1640
1357	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 $@) {
1358	my $msg = $@ ? "$v->{path}: $@\n"	1653	error "$v->{path}: $@\n";
1359	: "$v->{base}: extension inactive.\n";
1360		1654
1361	if (exists $v->{meta}{mandatory}) {
1362	warn $msg;
1363	cf::cleanup "mandatory extension failed to load, exiting.";	1655	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1364	}	1656	if exists $v->{meta}{mandatory};
1365		1657
1366	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;
1367	}	1667	}
1368
1369	$done{$k} = delete $todo{$k};
1370	push @EXTS, $v->{pkg};
1371	$progress = 1;
1372	}	1668	}
1373		1669
1374	skip:	1670	unless ($progress) {
1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1671	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1376	unless $progress;	1672
		1673	while (my ($k, $v) = each %todo) {
		1674	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1675	if exists $v->{meta}{mandatory};
		1676	}
		1677
		1678	last;
		1679	}
1377	}	1680	}
1378	};	1681	};
1379	}	1682	}
1380		1683
1381	#############################################################################	1684	#############################################################################
1382		1685
1383	=back	1686	=back
1384		1687
1385	=head2 CORE EXTENSIONS	1688	=head2 CORE EXTENSIONS
1386		1689
1387	Functions and methods that extend core crossfire objects.	1690	Functions and methods that extend core deliantra objects.
1388		1691
1389	=cut	1692	=cut
1390		1693
1391	package cf::player;	1694	package cf::player;
1392		1695
…		…
1435		1738
1436	sub exists($) {	1739	sub exists($) {
1437	my ($login) = @_;	1740	my ($login) = @_;
1438		1741
1439	$cf::PLAYER{$login}	1742	$cf::PLAYER{$login}
1440	or cf::sync_job { !aio_stat path $login }	1743	or !aio_stat path $login
1441	}	1744	}
1442		1745
1443	sub find($) {	1746	sub find($) {
1444	return $cf::PLAYER{$_[0]} || do {	1747	return $cf::PLAYER{$_[0]} || do {
1445	my $login = $_[0];	1748	my $login = $_[0];
…		…
1465	$cf::PLAYER{$login} = $pl	1768	$cf::PLAYER{$login} = $pl
1466	}	1769	}
1467	}	1770	}
1468	}	1771	}
1469		1772
		1773	cf::player->attach (
		1774	on_load => sub {
		1775	my ($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
1470	sub save($) {	1786	sub save($) {
1471	my ($pl) = @_;	1787	my ($pl) = @_;
1472		1788
1473	return if $pl->{deny_save};	1789	return if $pl->{deny_save};
1474		1790
…		…
1479		1795
1480	aio_mkdir playerdir $pl, 0770;	1796	aio_mkdir playerdir $pl, 0770;
1481	$pl->{last_save} = $cf::RUNTIME;	1797	$pl->{last_save} = $cf::RUNTIME;
1482		1798
1483	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];
1484		1803
1485	$pl->save_pl ($path);	1804	$pl->save_pl ($path);
1486	cf::cede_to_tick;	1805	cf::cede_to_tick;
1487	}	1806	}
1488		1807
…		…
1520	my ($pl) = @_;	1839	my ($pl) = @_;
1521		1840
1522	my $name = $pl->ob->name;	1841	my $name = $pl->ob->name;
1523		1842
1524	$pl->{deny_save} = 1;	1843	$pl->{deny_save} = 1;
1525	$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
1526		1845
1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1846	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1528	$pl->deactivate;	1847	$pl->deactivate;
		1848
1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1849	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1530	$pl->ob->check_score;
1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1850	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1851	ext::highscore::check ($pl->ob);
		1852
1532	$pl->ns->destroy if $pl->ns;	1853	$pl->ns->destroy if $pl->ns;
1533		1854
1534	my $path = playerdir $pl;	1855	my $path = playerdir $pl;
1535	my $temp = "$path~$cf::RUNTIME~deleting~";	1856	my $temp = "$path~$cf::RUNTIME~deleting~";
1536	aio_rename $path, $temp;	1857	aio_rename $path, $temp;
…		…
1590	\@logins	1911	\@logins
1591	}	1912	}
1592		1913
1593	=item $player->maps	1914	=item $player->maps
1594		1915
		1916	=item cf::player::maps $login
		1917
1595	Returns an arrayref of map paths that are private for this	1918	Returns an arrayref of map paths that are private for this
1596	player. May block.	1919	player. May block.
1597		1920
1598	=cut	1921	=cut
1599		1922
…		…
1616	}	1939	}
1617		1940
1618	\@paths	1941	\@paths
1619	}	1942	}
1620		1943
1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1944	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1622		1945
1623	Expand crossfire pod fragments into protocol xml.	1946	Expand deliantra pod fragments into protocol xml.
1624
1625	=cut
1626
1627	use re 'eval';
1628
1629	my $group;
1630	my $interior; $interior = qr{
1631	# match a pod interior sequence sans C<< >>
1632	(?:
1633	\ (.*?)\ (?{ $group = $^N })
1634	| < (??{$interior}) >
1635	)
1636	}x;
1637
1638	sub expand_cfpod {
1639	my ($self, $pod) = @_;
1640
1641	my $xml;
1642
1643	while () {
1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1645	$group = $1;
1646
1647	$group =~ s/&/&amp;/g;
1648	$group =~ s/</&lt;/g;
1649
1650	$xml .= $group;
1651	} elsif ($pod =~ m%\G
1652	([BCGHITU])
1653	<
1654	(?:
1655	([^<>]*) (?{ $group = $^N })
1656	| < $interior >
1657	)
1658	>
1659	%gcsx
1660	) {
1661	my ($code, $data) = ($1, $group);
1662
1663	if ($code eq "B") {
1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1665	} elsif ($code eq "I") {
1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1667	} elsif ($code eq "U") {
1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1669	} elsif ($code eq "C") {
1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1671	} elsif ($code eq "T") {
1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1673	} elsif ($code eq "G") {
1674	my ($male, $female) = split /\|/, $data;
1675	$data = $self->gender ? $female : $male;
1676	$xml .= expand_cfpod ($self, $data);
1677	} elsif ($code eq "H") {
1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1680	"")
1681	[$self->{hintmode}];
1682	} else {
1683	$xml .= "error processing '$code($data)' directive";
1684	}
1685	} else {
1686	if ($pod =~ /\G(.+)/) {
1687	warn "parse error while expanding $pod (at $1)";
1688	}
1689	last;
1690	}
1691	}
1692
1693	for ($xml) {
1694	# create single paragraphs (very hackish)
1695	s/(?<=\S)\n(?=\w)/ /g;
1696
1697	# compress some whitespace
1698	s/\s+\n/\n/g; # ws line-ends
1699	s/\n\n+/\n/g; # double lines
1700	s/^\n+//; # beginning lines
1701	s/\n+$//; # ending lines
1702	}
1703
1704	$xml
1705	}
1706
1707	no re 'eval';
1708
1709	sub hintmode {
1710	$_[0]{hintmode} = $_[1] if @_ > 1;
1711	$_[0]{hintmode}
1712	}
1713
1714	=item $player->ext_reply ($msgid, @msg)
1715
1716	Sends an ext reply to the player.
1717
1718	=cut
1719
1720	sub ext_reply($$@) {
1721	my ($self, $id, @msg) = @_;
1722
1723	$self->ns->ext_reply ($id, @msg)
1724	}
1725		1947
1726	=item $player->ext_msg ($type, @msg)	1948	=item $player->ext_msg ($type, @msg)
1727		1949
1728	Sends an ext event to the client.	1950	Sends an ext event to the client.
1729		1951
…		…
1749		1971
1750	=cut	1972	=cut
1751		1973
1752	sub find_by_path($) {	1974	sub find_by_path($) {
1753	my ($path) = @_;	1975	my ($path) = @_;
		1976
		1977	$path =~ s/^~[^\/]*//; # skip ~login
1754		1978
1755	my ($match, $specificity);	1979	my ($match, $specificity);
1756		1980
1757	for my $region (list) {	1981	for my $region (list) {
1758	if ($region->{match} && $path =~ $region->{match}) {	1982	if ($region->{match} && $path =~ $region->{match}) {
…		…
1787	sub generate_random_map {	2011	sub generate_random_map {
1788	my ($self, $rmp) = @_;	2012	my ($self, $rmp) = @_;
1789		2013
1790	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
1791		2015
1792	# mit "rum" bekleckern, nicht
1793	$self->_create_random_map (	2016	$self->_create_random_map ($rmp);
1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1796	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1797	$rmp->{exit_on_final_map},
1798	$rmp->{xsize}, $rmp->{ysize},
1799	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1800	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1801	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1802	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1803	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1804	(cf::region::find $rmp->{region}), $rmp->{custom}
1805	)
1806	}	2017	}
1807		2018
1808	=item cf::map->register ($regex, $prio)	2019	=item cf::map->register ($regex, $prio)
1809		2020
1810	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
…		…
1815		2026
1816	sub register {	2027	sub register {
1817	my (undef, $regex, $prio) = @_;	2028	my (undef, $regex, $prio) = @_;
1818	my $pkg = caller;	2029	my $pkg = caller;
1819		2030
1820	no strict;
1821	push @{"$pkg\::ISA"}, __PACKAGE__;	2031	push @{"$pkg\::ISA"}, __PACKAGE__;
1822		2032
1823	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2033	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1824	}	2034	}
1825		2035
1826	# also paths starting with '/'	2036	# also paths starting with '/'
1827	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2037	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1828		2038
1829	sub thawer_merge {	2039	sub thawer_merge {
1830	my ($self, $merge) = @_;	2040	my ($self, $merge) = @_;
1831		2041
1832	# we have to keep some variables in memory intact	2042	# we have to keep some variables in memory intact
…		…
1837	}	2047	}
1838		2048
1839	sub normalise {	2049	sub normalise {
1840	my ($path, $base) = @_;	2050	my ($path, $base) = @_;
1841		2051
1842	$path = "$path"; # make sure its a string	2052	$path = "$path"; # make sure it's a string
1843		2053
1844	$path =~ s/\.map$//;	2054	$path =~ s/\.map$//;
1845		2055
1846	# map plan:	2056	# map plan:
1847	#	2057	#
…		…
1862	$base =~ s{[^/]+/?$}{};	2072	$base =~ s{[^/]+/?$}{};
1863	$path = "$base/$path";	2073	$path = "$base/$path";
1864	}	2074	}
1865		2075
1866	for ($path) {	2076	for ($path) {
1867	redo if s{//}{/};
1868	redo if s{/\.?/}{/};	2077	redo if s{/\.?/}{/};
1869	redo if s{/[^/]+/\.\./}{/};	2078	redo if s{/[^/]+/\.\./}{/};
1870	}	2079	}
1871		2080
1872	$path	2081	$path
…		…
1886	$self->init; # pass $1 etc.	2095	$self->init; # pass $1 etc.
1887	return $self;	2096	return $self;
1888	}	2097	}
1889	}	2098	}
1890		2099
1891	Carp::cluck "unable to resolve path '$path' (base '$base').";	2100	Carp::cluck "unable to resolve path '$path' (base '$base')";
1892	()	2101	()
1893	}	2102	}
1894		2103
		2104	# may re-bless or do other evil things
1895	sub init {	2105	sub init {
1896	my ($self) = @_;	2106	my ($self) = @_;
1897		2107
1898	$self	2108	$self
1899	}	2109	}
…		…
1930		2140
1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2141	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1932	"$UNIQUEDIR/$path"	2142	"$UNIQUEDIR/$path"
1933	}	2143	}
1934		2144
1935	# and all this just because we cannot iterate over
1936	# all maps in C++...
1937	sub change_all_map_light {
1938	my ($change) = @_;
1939
1940	$_->change_map_light ($change)
1941	for grep $_->outdoor, values %cf::MAP;
1942	}
1943
1944	sub decay_objects {	2145	sub decay_objects {
1945	my ($self) = @_;	2146	my ($self) = @_;
1946		2147
1947	return if $self->{deny_reset};	2148	return if $self->{deny_reset};
1948		2149
…		…
1973	$self->{load_path} = $path;	2174	$self->{load_path} = $path;
1974		2175
1975	1	2176	1
1976	}	2177	}
1977		2178
		2179	# used to laod the header of an original map
1978	sub load_header_orig {	2180	sub load_header_orig {
1979	my ($self) = @_;	2181	my ($self) = @_;
1980		2182
1981	$self->load_header_from ($self->load_path)	2183	$self->load_header_from ($self->load_path)
1982	}	2184	}
1983		2185
		2186	# used to laod the header of an instantiated map
1984	sub load_header_temp {	2187	sub load_header_temp {
1985	my ($self) = @_;	2188	my ($self) = @_;
1986		2189
1987	$self->load_header_from ($self->save_path)	2190	$self->load_header_from ($self->save_path)
1988	}	2191	}
1989		2192
		2193	# called after loading the header from an instantiated map
1990	sub prepare_temp {	2194	sub prepare_temp {
1991	my ($self) = @_;	2195	my ($self) = @_;
1992		2196
1993	$self->last_access ((delete $self->{last_access})	2197	$self->last_access ((delete $self->{last_access})
1994	|| $cf::RUNTIME); #d#	2198	|| $cf::RUNTIME); #d#
1995	# safety	2199	# safety
1996	$self->{instantiate_time} = $cf::RUNTIME	2200	$self->{instantiate_time} = $cf::RUNTIME
1997	if $self->{instantiate_time} > $cf::RUNTIME;	2201	if $self->{instantiate_time} > $cf::RUNTIME;
1998	}	2202	}
1999		2203
		2204	# called after loading the header from an original map
2000	sub prepare_orig {	2205	sub prepare_orig {
2001	my ($self) = @_;	2206	my ($self) = @_;
2002		2207
2003	$self->{load_original} = 1;	2208	$self->{load_original} = 1;
2004	$self->{instantiate_time} = $cf::RUNTIME;	2209	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2028		2233
2029	sub find;	2234	sub find;
2030	sub find {	2235	sub find {
2031	my ($path, $origin) = @_;	2236	my ($path, $origin) = @_;
2032		2237
		2238	cf::cede_to_tick;
		2239
2033	$path = normalise $path, $origin && $origin->path;	2240	$path = normalise $path, $origin;
2034		2241
2035	cf::lock_wait "map_data:$path";#d#remove	2242	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2036	cf::lock_wait "map_find:$path";	2243	my $guard2 = cf::lock_acquire "map_find:$path";
2037		2244
2038	$cf::MAP{$path} || do {	2245	$cf::MAP{$path} || do {
2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2040	my $guard2 = cf::lock_acquire "map_find:$path";
2041
2042	my $map = new_from_path cf::map $path	2246	my $map = new_from_path cf::map $path
2043	or return;	2247	or return;
2044		2248
2045	$map->{last_save} = $cf::RUNTIME;	2249	$map->{last_save} = $cf::RUNTIME;
2046		2250
…		…
2058		2262
2059	$cf::MAP{$path} = $map	2263	$cf::MAP{$path} = $map
2060	}	2264	}
2061	}	2265	}
2062		2266
2063	sub pre_load { }	2267	sub pre_load { }
2064	sub post_load { }	2268	#sub post_load { } # XS
2065		2269
2066	sub load {	2270	sub load {
2067	my ($self) = @_;	2271	my ($self) = @_;
2068		2272
2069	local $self->{deny_reset} = 1; # loading can take a long time	2273	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2072		2276
2073	{	2277	{
2074	my $guard = cf::lock_acquire "map_data:$path";	2278	my $guard = cf::lock_acquire "map_data:$path";
2075		2279
2076	return unless $self->valid;	2280	return unless $self->valid;
2077	return unless $self->in_memory == cf::MAP_SWAPPED;	2281	return unless $self->state == cf::MAP_SWAPPED;
2078
2079	$self->in_memory (cf::MAP_LOADING);
2080		2282
2081	$self->alloc;	2283	$self->alloc;
2082		2284
2083	$self->pre_load;	2285	$self->pre_load;
2084	cf::cede_to_tick;	2286	cf::cede_to_tick;
2085		2287
		2288	if (exists $self->{load_path}) {
2086	my $f = new_from_file cf::object::thawer $self->{load_path};	2289	my $f = new_from_file cf::object::thawer $self->{load_path};
2087	$f->skip_block;	2290	$f->skip_block;
2088	$self->_load_objects ($f)	2291	$self->_load_objects ($f)
2089	or return;	2292	or return;
2090		2293
2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2294	$self->post_load_original
2092	if delete $self->{load_original};	2295	if delete $self->{load_original};
2093		2296
2094	if (my $uniq = $self->uniq_path) {	2297	if (my $uniq = $self->uniq_path) {
2095	utf8::encode $uniq;	2298	utf8::encode $uniq;
2096	unless (aio_stat $uniq) {	2299	unless (aio_stat $uniq) {
2097	if (my $f = new_from_file cf::object::thawer $uniq) {	2300	if (my $f = new_from_file cf::object::thawer $uniq) {
2098	$self->clear_unique_items;	2301	$self->clear_unique_items;
2099	$self->_load_objects ($f);	2302	$self->_load_objects ($f);
2100	$f->resolve_delayed_derefs;	2303	$f->resolve_delayed_derefs;
		2304	}
2101	}	2305	}
2102	}	2306	}
2103	}
2104		2307
2105	$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);
2106		2315
2107	cf::cede_to_tick;	2316	cf::cede_to_tick;
2108	# now do the right thing for maps	2317	# now do the right thing for maps
2109	$self->link_multipart_objects;	2318	$self->link_multipart_objects;
2110	$self->difficulty ($self->estimate_difficulty)	2319	$self->difficulty ($self->estimate_difficulty)
…		…
2114	unless ($self->{deny_activate}) {	2323	unless ($self->{deny_activate}) {
2115	$self->decay_objects;	2324	$self->decay_objects;
2116	$self->fix_auto_apply;	2325	$self->fix_auto_apply;
2117	$self->update_buttons;	2326	$self->update_buttons;
2118	cf::cede_to_tick;	2327	cf::cede_to_tick;
2119	$self->set_darkness_map;	2328	#$self->activate; # no longer activate maps automatically
2120	cf::cede_to_tick;
2121	$self->activate;
2122	}	2329	}
2123		2330
2124	$self->{last_save} = $cf::RUNTIME;	2331	$self->{last_save} = $cf::RUNTIME;
2125	$self->last_access ($cf::RUNTIME);	2332	$self->last_access ($cf::RUNTIME);
2126
2127	$self->in_memory (cf::MAP_ACTIVE);
2128	}	2333	}
2129		2334
2130	$self->post_load;	2335	$self->post_load;
2131	}
2132		2336
		2337	1
		2338	}
		2339
		2340	# customize the map for a given player, i.e.
		2341	# return the _real_ map. used by e.g. per-player
		2342	# maps to change the path to ~playername/mappath
2133	sub customise_for {	2343	sub customise_for {
2134	my ($self, $ob) = @_;	2344	my ($self, $ob) = @_;
2135		2345
2136	return find "~" . $ob->name . "/" . $self->{path}	2346	return find "~" . $ob->name . "/" . $self->{path}
2137	if $self->per_player;	2347	if $self->per_player;
…		…
2140	# if $self->per_party;	2350	# if $self->per_party;
2141		2351
2142	$self	2352	$self
2143	}	2353	}
2144		2354
2145	# find and load all maps in the 3x3 area around a map
2146	sub load_neighbours {
2147	my ($map) = @_;
2148
2149	my @neigh; # diagonal neighbours
2150
2151	for (0 .. 3) {
2152	my $neigh = $map->tile_path ($_)
2153	or next;
2154	$neigh = find $neigh, $map
2155	or next;
2156	$neigh->load;
2157
2158	push @neigh,
2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2161	}
2162
2163	for (grep defined $_->[0], @neigh) {
2164	my ($path, $origin) = @$_;
2165	my $neigh = find $path, $origin
2166	or next;
2167	$neigh->load;
2168	}
2169	}
2170
2171	sub find_sync {	2355	sub find_sync {
2172	my ($path, $origin) = @_;	2356	my ($path, $origin) = @_;
2173		2357
2174	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, $origin
2175	}	2363	}
2176		2364
2177	sub do_load_sync {	2365	sub do_load_sync {
2178	my ($map) = @_;	2366	my ($map) = @_;
2179		2367
		2368	# it's a bug to call this from the main context
2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2369	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2181	if $Coro::current == $Coro::main;	2370	if $Coro::current == $Coro::main;
2182		2371
2183	cf::sync_job { $map->load };	2372	$map->load;
2184	}	2373	}
2185		2374
2186	our %MAP_PREFETCH;	2375	our %MAP_PREFETCH;
2187	our $MAP_PREFETCHER = undef;	2376	our $MAP_PREFETCHER = undef;
2188		2377
2189	sub find_async {	2378	sub find_async {
2190	my ($path, $origin, $load) = @_;	2379	my ($path, $origin, $load) = @_;
2191		2380
2192	$path = normalise $path, $origin && $origin->{path};	2381	$path = normalise $path, $origin;
2193		2382
2194	if (my $map = $cf::MAP{$path}) {	2383	if (my $map = $cf::MAP{$path}) {
2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2384	return $map if !$load || $map->linkable;
2196	}	2385	}
2197		2386
2198	$MAP_PREFETCH{$path} |= $load;	2387	$MAP_PREFETCH{$path} |= $load;
2199		2388
2200	$MAP_PREFETCHER ||= cf::async {	2389	$MAP_PREFETCHER ||= cf::async {
…		…
2214	$MAP_PREFETCHER->prio (6);	2403	$MAP_PREFETCHER->prio (6);
2215		2404
2216	()	2405	()
2217	}	2406	}
2218		2407
		2408	# common code, used by both ->save and ->swapout
2219	sub save {	2409	sub _save {
2220	my ($self) = @_;	2410	my ($self) = @_;
2221
2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
2223		2411
2224	$self->{last_save} = $cf::RUNTIME;	2412	$self->{last_save} = $cf::RUNTIME;
2225		2413
2226	return unless $self->dirty;	2414	return unless $self->dirty;
2227		2415
…		…
2247	} else {	2435	} else {
2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2436	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2249	}	2437	}
2250	}	2438	}
2251		2439
		2440	sub save {
		2441	my ($self) = @_;
		2442
		2443	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2444
		2445	$self->_save;
		2446	}
		2447
2252	sub swap_out {	2448	sub swap_out {
2253	my ($self) = @_;	2449	my ($self) = @_;
2254		2450
2255	# save first because save cedes
2256	$self->save;
2257
2258	my $lock = cf::lock_acquire "map_data:$self->{path}";	2451	my $lock = cf::lock_acquire "map_data:$self->{path}";
2259		2452
		2453	return if !$self->linkable;
		2454	return if $self->{deny_save};
2260	return if $self->players;	2455	return if $self->players;
2261	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
2262	return if $self->{deny_save};	2473	return 1e99 if $self->{deny_reset};
2263		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
2264	$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};
2265		2507
2266	$self->deactivate;	2508	$self->deactivate;
2267	$_->clear_links_to ($self) for values %cf::MAP;	2509	$_->clear_links_to ($self) for values %cf::MAP;
2268	$self->clear;	2510	$self->clear;
2269	}
2270
2271	sub reset_at {
2272	my ($self) = @_;
2273
2274	# TODO: safety, remove and allow resettable per-player maps
2275	return 1e99 if $self->{deny_reset};
2276
2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2279
2280	$time + $to
2281	}
2282
2283	sub should_reset {
2284	my ($self) = @_;
2285
2286	$self->reset_at <= $cf::RUNTIME
2287	}
2288
2289	sub reset {
2290	my ($self) = @_;
2291
2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
2293
2294	return if $self->players;
2295
2296	warn "resetting map ", $self->path;
2297
2298	$self->in_memory (cf::MAP_SWAPPED);
2299
2300	# need to save uniques path
2301	unless ($self->{deny_save}) {
2302	my $uniq = $self->uniq_path; utf8::encode $uniq;
2303
2304	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2305	if $uniq;
2306	}
2307
2308	delete $cf::MAP{$self->path};
2309
2310	$self->deactivate;
2311	$_->clear_links_to ($self) for values %cf::MAP;
2312	$self->clear;
2313		2511
2314	$self->unlink_save;	2512	$self->unlink_save;
2315	$self->destroy;	2513	$self->destroy;
2316	}	2514	}
2317		2515
…		…
2325		2523
2326	delete $cf::MAP{$self->path};	2524	delete $cf::MAP{$self->path};
2327		2525
2328	$self->unlink_save;	2526	$self->unlink_save;
2329		2527
2330	bless $self, "cf::map";	2528	bless $self, "cf::map::wrap";
2331	delete $self->{deny_reset};	2529	delete $self->{deny_reset};
2332	$self->{deny_save} = 1;	2530	$self->{deny_save} = 1;
2333	$self->reset_timeout (1);	2531	$self->reset_timeout (1);
2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2532	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2335		2533
…		…
2392	: normalise $_	2590	: normalise $_
2393	} @{ aio_readdir $UNIQUEDIR or [] }	2591	} @{ aio_readdir $UNIQUEDIR or [] }
2394	]	2592	]
2395	}	2593	}
2396		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
2397	=back	2627	=back
2398		2628
2399	=head3 cf::object	2629	=head3 cf::object
2400		2630
2401	=cut	2631	=cut
…		…
2466		2696
2467	our $SAY_CHANNEL = {	2697	our $SAY_CHANNEL = {
2468	id => "say",	2698	id => "say",
2469	title => "Map",	2699	title => "Map",
2470	reply => "say ",	2700	reply => "say ",
2471	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.",
2472	};	2702	};
2473		2703
2474	our $CHAT_CHANNEL = {	2704	our $CHAT_CHANNEL = {
2475	id => "chat",	2705	id => "chat",
2476	title => "Chat",	2706	title => "Chat",
…		…
2531		2761
2532	=item $player_object->enter_link	2762	=item $player_object->enter_link
2533		2763
2534	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}>).
2535		2765
2536	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.
2537	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.
2538		2770
2539	Will never block.	2771	Will never block.
2540		2772
2541	=item $player_object->leave_link ($map, $x, $y)	2773	=item $player_object->leave_link ($map, $x, $y)
2542		2774
…		…
2562	sub cf::object::player::enter_link {	2794	sub cf::object::player::enter_link {
2563	my ($self) = @_;	2795	my ($self) = @_;
2564		2796
2565	$self->deactivate_recursive;	2797	$self->deactivate_recursive;
2566		2798
		2799	++$self->{_link_recursion};
		2800
2567	return if UNIVERSAL::isa $self->map, "ext::map_link";	2801	return if UNIVERSAL::isa $self->map, "ext::map_link";
2568		2802
2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2803	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2570	if $self->map && $self->map->{path} ne "{link}";	2804	if $self->map && $self->map->{path} ne "{link}";
2571		2805
2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2806	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2573	}	2807	}
2574		2808
2575	sub cf::object::player::leave_link {	2809	sub cf::object::player::leave_link {
2576	my ($self, $map, $x, $y) = @_;	2810	my ($self, $map, $x, $y) = @_;
2577		2811
…		…
2594	($x, $y) = (-1, -1)	2828	($x, $y) = (-1, -1)
2595	unless (defined $x) && (defined $y);	2829	unless (defined $x) && (defined $y);
2596		2830
2597	# use -1 or undef as default coordinates, not 0, 0	2831	# use -1 or undef as default coordinates, not 0, 0
2598	($x, $y) = ($map->enter_x, $map->enter_y)	2832	($x, $y) = ($map->enter_x, $map->enter_y)
2599	if $x <=0 && $y <= 0;	2833	if $x <= 0 && $y <= 0;
2600		2834
2601	$map->load;	2835	$map->load;
2602	$map->load_neighbours;
2603		2836
2604	return unless $self->contr->active;	2837	return unless $self->contr->active;
2605	$self->activate_recursive;
2606		2838
2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2839	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2608	$self->enter_map ($map, $x, $y);	2840	if ($self->enter_map ($map, $x, $y)) {
2609	}	2841	# entering was successful
		2842	delete $self->{_link_recursion};
		2843	# only activate afterwards, to support waiting in hooks
		2844	$self->activate_recursive;
		2845	}
2610		2846
		2847	}
		2848
2611	=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)]])
2612		2850
2613	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
2614	her, loading and preparing them map, calling the provided $check callback	2852	her, loading and preparing them map, calling the provided $check callback
2615	that has to return the map if sucecssful, and then unfreezes the player on	2853	that has to return the map if sucecssful, and then unfreezes the player on
2616	the new (success) or old (failed) map position. In either case, $done will	2854	the new (success) or old (failed) map position. In either case, $done will
2617	be called at the end of this process.	2855	be called at the end of this process.
2618		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
2619	=cut	2860	=cut
2620		2861
2621	our $GOTOGEN;	2862	our $GOTOGEN;
2622		2863
2623	sub cf::object::player::goto {	2864	sub cf::object::player::goto {
2624	my ($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	}
2625		2872
2626	# 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
2627	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2874	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2628		2875
2629	$self->enter_link;	2876	$self->enter_link;
…		…
2649	($path, $x, $y) = (undef, undef, undef);	2896	($path, $x, $y) = (undef, undef, undef);
2650	}	2897	}
2651	}	2898	}
2652		2899
2653	my $map = eval {	2900	my $map = eval {
2654	my $map = defined $path ? cf::map::find $path : undef;	2901	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2655		2902
2656	if ($map) {	2903	if ($map) {
2657	$map = $map->customise_for ($self);	2904	$map = $map->customise_for ($self);
2658	$map = $check->($map) if $check && $map;	2905	$map = $check->($map, $x, $y, $self) if $check && $map;
2659	} else {	2906	} else {
2660	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2907	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2661	}	2908	}
2662		2909
2663	$map	2910	$map
…		…
2671	if ($gen == $self->{_goto_generation}) {	2918	if ($gen == $self->{_goto_generation}) {
2672	delete $self->{_goto_generation};	2919	delete $self->{_goto_generation};
2673	$self->leave_link ($map, $x, $y);	2920	$self->leave_link ($map, $x, $y);
2674	}	2921	}
2675		2922
2676	$done->() if $done;	2923	$done->($self) if $done;
2677	})->prio (1);	2924	})->prio (1);
2678	}	2925	}
2679		2926
2680	=item $player_object->enter_exit ($exit_object)	2927	=item $player_object->enter_exit ($exit_object)
2681		2928
…		…
2749	$Coro::current->{desc} = "enter_exit";	2996	$Coro::current->{desc} = "enter_exit";
2750		2997
2751	unless (eval {	2998	unless (eval {
2752	$self->deactivate_recursive; # just to be sure	2999	$self->deactivate_recursive; # just to be sure
2753		3000
2754	# random map handling
2755	{
2756	my $guard = cf::lock_acquire "exit_prepare:$exit";
2757
2758	prepare_random_map $exit
2759	if $exit->slaying eq "/!";
2760	}
2761
2762	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	3001	my $map = cf::map::normalise $exit->slaying, $exit->map;
2763	my $x = $exit->stats->hp;	3002	my $x = $exit->stats->hp;
2764	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	}
2765		3027
2766	$self->goto ($map, $x, $y);	3028	$self->goto ($map, $x, $y);
2767		3029
2768	# if exit is damned, update players death & WoR home-position	3030	# if exit is damned, update players death & WoR home-position
2769	$self->contr->savebed ($map, $x, $y)	3031	$self->contr->savebed ($map, $x, $y)
2770	if $exit->flag (cf::FLAG_DAMNED);	3032	if $exit->flag (cf::FLAG_DAMNED);
2771		3033
2772	1	3034	1
2773	}) {	3035	}) {
2774	$self->message ("Something went wrong deep within the crossfire server. "	3036	$self->message ("Something went wrong deep within the deliantra server. "
2775	. "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. "
2776	. "Please report this to the dungeon master!",	3038	. "Please report this to the dungeon master!",
2777	cf::NDI_UNIQUE | cf::NDI_RED);	3039	cf::NDI_UNIQUE | cf::NDI_RED);
2778		3040
2779	warn "ERROR in enter_exit: $@";	3041	error "ERROR in enter_exit: $@";
2780	$self->leave_link;	3042	$self->leave_link;
2781	}	3043	}
2782	})->prio (1);	3044	})->prio (1);
2783	}	3045	}
2784		3046
…		…
2796	sub cf::client::send_drawinfo {	3058	sub cf::client::send_drawinfo {
2797	my ($self, $text, $flags) = @_;	3059	my ($self, $text, $flags) = @_;
2798		3060
2799	utf8::encode $text;	3061	utf8::encode $text;
2800	$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);
2801	}	3088	}
2802		3089
2803	=item $client->send_msg ($channel, $msg, $color, [extra...])	3090	=item $client->send_msg ($channel, $msg, $color, [extra...])
2804		3091
2805	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
…		…
2809		3096
2810	=cut	3097	=cut
2811		3098
2812	# non-persistent channels (usually the info channel)	3099	# non-persistent channels (usually the info channel)
2813	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	},
2814	"c/identify" => {	3107	"c/identify" => {
2815	id => "infobox",	3108	id => "infobox",
2816	title => "Identify",	3109	title => "Identify",
2817	reply => undef,	3110	reply => undef,
2818	tooltip => "Items recently identified",	3111	tooltip => "Items recently identified",
…		…
2820	"c/examine" => {	3113	"c/examine" => {
2821	id => "infobox",	3114	id => "infobox",
2822	title => "Examine",	3115	title => "Examine",
2823	reply => undef,	3116	reply => undef,
2824	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",
2825	},	3124	},
2826	"c/book" => {	3125	"c/book" => {
2827	id => "infobox",	3126	id => "infobox",
2828	title => "Book",	3127	title => "Book",
2829	reply => undef,	3128	reply => undef,
…		…
2845	id => "infobox",	3144	id => "infobox",
2846	title => "Body Parts",	3145	title => "Body Parts",
2847	reply => undef,	3146	reply => undef,
2848	tooltip => "Shows which body parts you posess and are available",	3147	tooltip => "Shows which body parts you posess and are available",
2849	},	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	},
2850	"c/uptime" => {	3185	"c/uptime" => {
2851	id => "infobox",	3186	id => "infobox",
2852	title => "Uptime",	3187	title => "Uptime",
2853	reply => undef,	3188	reply => undef,
2854	tooltip => "How long the server has been running since last restart",	3189	tooltip => "How long the server has been running since last restart",
…		…
2863	id => "party",	3198	id => "party",
2864	title => "Party",	3199	title => "Party",
2865	reply => "gsay ",	3200	reply => "gsay ",
2866	tooltip => "Messages and chat related to your party",	3201	tooltip => "Messages and chat related to your party",
2867	},	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" => $CHAT_CHANNEL,
2868	);	3211	);
2869		3212
2870	sub cf::client::send_msg {	3213	sub cf::client::send_msg {
2871	my ($self, $channel, $msg, $color, @extra) = @_;	3214	my ($self, $channel, $msg, $color, @extra) = @_;
2872		3215
2873	$msg = $self->pl->expand_cfpod ($msg);	3216	$msg = $self->pl->expand_cfpod ($msg)
		3217	unless $color & cf::NDI_VERBATIM;
2874		3218
2875	$color &= cf::NDI_CLIENT_MASK; # just in case...	3219	$color &= cf::NDI_CLIENT_MASK; # just in case...
2876		3220
2877	# check predefined channels, for the benefit of C	3221	# check predefined channels, for the benefit of C
2878	if ($CHANNEL{$channel}) {	3222	if ($CHANNEL{$channel}) {
2879	$channel = $CHANNEL{$channel};	3223	$channel = $CHANNEL{$channel};
2880		3224
2881	$self->ext_msg (channel_info => $channel)	3225	$self->ext_msg (channel_info => $channel);
2882	if $self->can_msg;
2883
2884	$channel = $channel->{id};	3226	$channel = $channel->{id};
2885		3227
2886	} elsif (ref $channel) {	3228	} elsif (ref $channel) {
2887	# send meta info to client, if not yet sent	3229	# send meta info to client, if not yet sent
2888	unless (exists $self->{channel}{$channel->{id}}) {	3230	unless (exists $self->{channel}{$channel->{id}}) {
2889	$self->{channel}{$channel->{id}} = $channel;	3231	$self->{channel}{$channel->{id}} = $channel;
2890	$self->ext_msg (channel_info => $channel)	3232	$self->ext_msg (channel_info => $channel);
2891	if $self->can_msg;
2892	}	3233	}
2893		3234
2894	$channel = $channel->{id};	3235	$channel = $channel->{id};
2895	}	3236	}
2896		3237
2897	return unless @extra || length $msg;	3238	return unless @extra || length $msg;
2898		3239
2899	if ($self->can_msg) {
2900	# default colour, mask it out	3240	# default colour, mask it out
2901	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3241	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2902	if $color & cf::NDI_DEF;	3242	if $color & cf::NDI_DEF;
2903		3243
2904	$self->send_packet ("msg " . $self->{json_coder}->encode (	3244	my $pkt = "msg "
		3245	. $self->{json_coder}->encode (
2905	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3246	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2906	} else {	3247	);
2907	if ($color >= 0) {
2908	# replace some tags by gcfclient-compatible ones
2909	for ($msg) {
2910	1 while
2911	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2912	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2913	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2914	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2915	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2916	}
2917		3248
2918	$color &= cf::NDI_COLOR_MASK;	3249	$self->send_big_packet ($pkt);
2919
2920	utf8::encode $msg;
2921
2922	if (0 && $msg =~ /\[/) {
2923	# COMMAND/INFO
2924	$self->send_packet ("drawextinfo $color 10 8 $msg")
2925	} else {
2926	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2927	$self->send_packet ("drawinfo $color $msg")
2928	}
2929	}
2930	}
2931	}	3250	}
2932		3251
2933	=item $client->ext_msg ($type, @msg)	3252	=item $client->ext_msg ($type, @msg)
2934		3253
2935	Sends an ext event to the client.	3254	Sends an ext event to the client.
…		…
2937	=cut	3256	=cut
2938		3257
2939	sub cf::client::ext_msg($$@) {	3258	sub cf::client::ext_msg($$@) {
2940	my ($self, $type, @msg) = @_;	3259	my ($self, $type, @msg) = @_;
2941		3260
2942	if ($self->extcmd == 2) {
2943	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3261	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2944	} elsif ($self->extcmd == 1) { # TODO: remove
2945	push @msg, msgtype => "event_$type";
2946	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2947	}
2948	}
2949
2950	=item $client->ext_reply ($msgid, @msg)
2951
2952	Sends an ext reply to the client.
2953
2954	=cut
2955
2956	sub cf::client::ext_reply($$@) {
2957	my ($self, $id, @msg) = @_;
2958
2959	if ($self->extcmd == 2) {
2960	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2961	} elsif ($self->extcmd == 1) {
2962	#TODO: version 1, remove
2963	unshift @msg, msgtype => "reply", msgid => $id;
2964	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2965	}
2966	}	3262	}
2967		3263
2968	=item $success = $client->query ($flags, "text", \&cb)	3264	=item $success = $client->query ($flags, "text", \&cb)
2969		3265
2970	Queues a query to the client, calling the given callback with	3266	Queues a query to the client, calling the given callback with
…		…
3025	my ($ns, $buf) = @_;	3321	my ($ns, $buf) = @_;
3026		3322
3027	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3323	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3028		3324
3029	if (ref $msg) {	3325	if (ref $msg) {
3030	my ($type, $reply, @payload) =	3326	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3031	"ARRAY" eq ref $msg
3032	? @$msg
3033	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3034		3327
3035	my @reply;
3036
3037	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}) {
3038	@reply = $cb->($ns, @payload);	3341	@reply = $cb->($ns, @payload);
		3342	}
		3343
		3344	$ns->ext_msg ("reply-$reply", @reply)
		3345	if $reply;
3039	}	3346	}
3040
3041	$ns->ext_reply ($reply, @reply)
3042	if $reply;
3043
3044	} else {	3347	} else {
3045	warn "client " . ($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";
3046	}	3349	}
3047		3350
3048	cf::override;	3351	cf::override;
3049	},	3352	},
3050	);	3353	);
…		…
3070		3373
3071	$coro	3374	$coro
3072	}	3375	}
3073		3376
3074	cf::client->attach (	3377	cf::client->attach (
3075	on_destroy => sub {	3378	on_client_destroy => sub {
3076	my ($ns) = @_;	3379	my ($ns) = @_;
3077		3380
3078	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3381	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3079	},	3382	},
3080	);	3383	);
…		…
3096	our $safe_hole = new Safe::Hole;	3399	our $safe_hole = new Safe::Hole;
3097		3400
3098	$SIG{FPE} = 'IGNORE';	3401	$SIG{FPE} = 'IGNORE';
3099		3402
3100	$safe->permit_only (Opcode::opset qw(	3403	$safe->permit_only (Opcode::opset qw(
3101	:base_core :base_mem :base_orig :base_math	3404	:base_core :base_mem :base_orig :base_math :base_loop
3102	grepstart grepwhile mapstart mapwhile	3405	grepstart grepwhile mapstart mapwhile
3103	sort time	3406	sort time
3104	));	3407	));
3105		3408
3106	# here we export the classes and methods available to script code	3409	# here we export the classes and methods available to script code
…		…
3110	The following functions and methods are available within a safe environment:	3413	The following functions and methods are available within a safe environment:
3111		3414
3112	cf::object	3415	cf::object
3113	contr pay_amount pay_player map x y force_find force_add destroy	3416	contr pay_amount pay_player map x y force_find force_add destroy
3114	insert remove name archname title slaying race decrease split	3417	insert remove name archname title slaying race decrease split
		3418	value
3115		3419
3116	cf::object::player	3420	cf::object::player
3117	player	3421	player
3118		3422
3119	cf::player	3423	cf::player
…		…
3125	=cut	3429	=cut
3126		3430
3127	for (	3431	for (
3128	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3432	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3129	insert remove inv nrof name archname title slaying race	3433	insert remove inv nrof name archname title slaying race
3130	decrease split destroy)],	3434	decrease split destroy change_exp value msg lore send_msg)],
3131	["cf::object::player" => qw(player)],	3435	["cf::object::player" => qw(player)],
3132	["cf::player" => qw(peaceful)],	3436	["cf::player" => qw(peaceful send_msg)],
3133	["cf::map" => qw(trigger)],	3437	["cf::map" => qw(trigger)],
3134	) {	3438	) {
3135	no strict 'refs';
3136	my ($pkg, @funs) = @$_;	3439	my ($pkg, @funs) = @$_;
3137	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3440	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3138	for @funs;	3441	for @funs;
3139	}	3442	}
3140		3443
…		…
3155		3458
3156	my $qcode = $code;	3459	my $qcode = $code;
3157	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3460	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3158	$qcode =~ s/\n/\\n/g;	3461	$qcode =~ s/\n/\\n/g;
3159		3462
		3463	%vars = (_dummy => 0) unless %vars;
		3464
		3465	my @res;
3160	local $_;	3466	local $_;
3161	local @safe::cf::_safe_eval_args = values %vars;
3162		3467
3163	my $eval =	3468	my $eval =
3164	"do {\n"	3469	"do {\n"
3165	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3470	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3166	. "#line 0 \"{$qcode}\"\n"	3471	. "#line 0 \"{$qcode}\"\n"
3167	. $code	3472	. $code
3168	. "\n}"	3473	. "\n}"
3169	;	3474	;
3170		3475
		3476	if ($CFG{safe_eval}) {
3171	sub_generation_inc;	3477	sub_generation_inc;
		3478	local @safe::cf::_safe_eval_args = values %vars;
3172	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3479	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3173	sub_generation_inc;	3480	sub_generation_inc;
		3481	} else {
		3482	local @cf::_safe_eval_args = values %vars;
		3483	@res = wantarray ? eval eval : scalar eval $eval;
		3484	}
3174		3485
3175	if ($@) {	3486	if ($@) {
3176	warn "$@";	3487	warn "$@",
3177	warn "while executing safe code '$code'\n";	3488	"while executing safe code '$code'\n",
3178	warn "with arguments " . (join " ", %vars) . "\n";	3489	"with arguments " . (join " ", %vars) . "\n";
3179	}	3490	}
3180		3491
3181	wantarray ? @res : $res[0]	3492	wantarray ? @res : $res[0]
3182	}	3493	}
3183		3494
…		…
3197	=cut	3508	=cut
3198		3509
3199	sub register_script_function {	3510	sub register_script_function {
3200	my ($fun, $cb) = @_;	3511	my ($fun, $cb) = @_;
3201		3512
3202	no strict 'refs';	3513	$fun = "safe::$fun" if $CFG{safe_eval};
3203	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3514	*$fun = $safe_hole->wrap ($cb);
3204	}	3515	}
3205		3516
3206	=back	3517	=back
3207		3518
3208	=cut	3519	=cut
3209		3520
3210	#############################################################################	3521	#############################################################################
3211	# 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	$idx
		3546	}
3212		3547
3213	sub load_facedata($) {	3548	sub load_facedata($) {
3214	my ($path) = @_;	3549	my ($path) = @_;
3215		3550
3216	# 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
3217	# for this (global event?)	3552	# for this (global event?)
3218	%ext::player_env::MUSIC_FACE_CACHE = ();	3553	%ext::player_env::MUSIC_FACE_CACHE = ();
3219		3554
3220	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3555	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3221		3556
3222	warn "loading facedata from $path\n";	3557	trace "loading facedata from $path\n";
3223		3558
3224	my $facedata;	3559	my $facedata = decode_storable load_file $path;
3225	0 < aio_load $path, $facedata
3226	or die "$path: $!";
3227
3228	$facedata = Coro::Storable::thaw $facedata;
3229		3560
3230	$facedata->{version} == 2	3561	$facedata->{version} == 2
3231	or cf::cleanup "$path: version mismatch, cannot proceed.";	3562	or cf::cleanup "$path: version mismatch, cannot proceed.";
3232		3563
3233	# patch in the exptable
3234	$facedata->{resource}{"res/exp_table"} = {
3235	type => FT_RSRC,
3236	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3237	};
3238	cf::cede_to_tick;	3564	cf::cede_to_tick;
3239		3565
3240	{	3566	{
3241	my $faces = $facedata->{faceinfo};	3567	my $faces = $facedata->{faceinfo};
3242		3568
3243	while (my ($face, $info) = each %$faces) {	3569	for my $face (sort keys %$faces) {
		3570	my $info = $faces->{$face};
3244	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3571	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3245		3572
3246	cf::face::set_visibility $idx, $info->{visibility};	3573	cf::face::set_visibility $idx, $info->{visibility};
3247	cf::face::set_magicmap $idx, $info->{magicmap};	3574	cf::face::set_magicmap $idx, $info->{magicmap};
3248	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3575	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3249	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}} = $idx;#d#
3250		3579
3251	cf::cede_to_tick;	3580	cf::cede_to_tick;
3252	}	3581	}
3253		3582
3254	while (my ($face, $info) = each %$faces) {	3583	while (my ($face, $info) = each %$faces) {
…		…
3259		3588
3260	if (my $smooth = cf::face::find $info->{smooth}) {	3589	if (my $smooth = cf::face::find $info->{smooth}) {
3261	cf::face::set_smooth $idx, $smooth;	3590	cf::face::set_smooth $idx, $smooth;
3262	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3591	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3263	} else {	3592	} else {
3264	warn "smooth face '$info->{smooth}' not found for face '$face'";	3593	error "smooth face '$info->{smooth}' not found for face '$face'";
3265	}	3594	}
3266		3595
3267	cf::cede_to_tick;	3596	cf::cede_to_tick;
3268	}	3597	}
3269	}	3598	}
…		…
3278		3607
3279	cf::anim::invalidate_all; # d'oh	3608	cf::anim::invalidate_all; # d'oh
3280	}	3609	}
3281		3610
3282	{	3611	{
3283	# TODO: for gcfclient pleasure, we should give resources
3284	# that gcfclient doesn't grok a >10000 face index.
3285	my $res = $facedata->{resource};	3612	my $res = $facedata->{resource};
3286		3613
3287	while (my ($name, $info) = each %$res) {	3614	while (my ($name, $info) = each %$res) {
3288	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
3289	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3617	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3290	my $data;
3291		3618
3292	if ($info->{type} & 1) {
3293	# prepend meta info
3294
3295	my $meta = $enc->encode ({
3296	name => $name,
3297	%{ $info->{meta} || {} },
3298	});
3299
3300	$data = pack "(w/a*)*", $meta, $info->{data};
3301	} else {
3302	$data = $info->{data};
3303	}
3304
3305	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3306	cf::face::set_type $idx, $info->{type};	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#
3307	} else {	3623	} else {
3308	$RESOURCE{$name} = $info;	3624	# $RESOURCE{$name} = $info; # unused
3309	}	3625	}
3310		3626
3311	cf::cede_to_tick;	3627	cf::cede_to_tick;
3312	}	3628	}
3313	}	3629	}
3314		3630
3315	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3631	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3316		3632
3317	1	3633	1
3318	}	3634	}
3319
3320	cf::global->attach (on_resource_update => sub {
3321	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3322	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3323
3324	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3325	my $sound = $soundconf->{compat}[$_]
3326	or next;
3327
3328	my $face = cf::face::find "sound/$sound->[1]";
3329	cf::sound::set $sound->[0] => $face;
3330	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3331	}
3332
3333	while (my ($k, $v) = each %{$soundconf->{event}}) {
3334	my $face = cf::face::find "sound/$v";
3335	cf::sound::set $k => $face;
3336	}
3337	}
3338	});
3339		3635
3340	register_exticmd fx_want => sub {	3636	register_exticmd fx_want => sub {
3341	my ($ns, $want) = @_;	3637	my ($ns, $want) = @_;
3342		3638
3343	while (my ($k, $v) = each %$want) {	3639	while (my ($k, $v) = each %$want) {
…		…
3351	my $status = load_resource_file_ $_[0];	3647	my $status = load_resource_file_ $_[0];
3352	get_slot 0.1, 100;	3648	get_slot 0.1, 100;
3353	cf::arch::commit_load;	3649	cf::arch::commit_load;
3354		3650
3355	$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 $_, 1 .. cf::settings->max_level]
		3660	);
		3661	}
		3662
		3663	sub reload_materials {
		3664	_reload_materials;
3356	}	3665	}
3357		3666
3358	sub reload_regions {	3667	sub reload_regions {
3359	# HACK to clear player env face cache, we need some signal framework	3668	# HACK to clear player env face cache, we need some signal framework
3360	# for this (global event?)	3669	# for this (global event?)
…		…
3375	}	3684	}
3376		3685
3377	sub reload_archetypes {	3686	sub reload_archetypes {
3378	load_resource_file "$DATADIR/archetypes"	3687	load_resource_file "$DATADIR/archetypes"
3379	or die "unable to load archetypes\n";	3688	or die "unable to load archetypes\n";
		3689
		3690	add_face "res/skill_info" => FT_RSRC,
		3691	JSON::XS->new->utf8->canonical->encode (
		3692	[map [cf::arch::skillvec ($_)->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 ($_)], 0 .. NRSPELLPATHS - 1]
		3697	);
3380	}	3698	}
3381		3699
3382	sub reload_treasures {	3700	sub reload_treasures {
3383	load_resource_file "$DATADIR/treasures"	3701	load_resource_file "$DATADIR/treasures"
3384	or die "unable to load treasurelists\n";	3702	or die "unable to load treasurelists\n";
3385	}	3703	}
3386		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
		3725	#d# move docstuff to help or so
		3726	our %DOCSTRING;
		3727
		3728	sub reload_pod {
		3729	trace "loading pods $PODDIR\n";
		3730
		3731	%DOCSTRING = ();
		3732	my @command_list;
		3733
		3734	for (
		3735	[0, "command_help"],
		3736	[1, "emote_help"],
		3737	[2, "dmcommand_help"],
		3738	) {
		3739	my ($type, $path) = @$_;
		3740
		3741	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3742	or die "unable to load $path";
		3743
		3744	my $level = 1e9;
		3745	my $rpar;
		3746
		3747	for my $par (@$paragraphs) {
		3748	if ($par->{type} eq "head2") {
		3749	# this code taken almost verbatim from DC/Protocol.pm
		3750
		3751	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3752	my $cmd = $1;
		3753	my @args = split /\|/, $2;
		3754	@args = (".*") unless @args;
		3755
		3756	$_ = $_ eq ".*" ? "" : " $_"
		3757	for @args;
		3758
		3759	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3760
		3761	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3762
		3763	push @command_list, [$type, \@variants];
		3764	$level = $par->{level};
		3765	} else {
		3766	error "$par->{markup}: unparsable command heading";
		3767	}
		3768	} elsif ($par->{level} > $level) {
		3769	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3770	}
		3771
		3772	cf::cede_to_tick;
		3773	}
		3774	}
		3775
		3776	@command_list = sort {
		3777	$a->[0] <=> $b->[0]
		3778	or $a->[1] cmp $b->[1]
		3779	} @command_list;
		3780
		3781	cf::cede_to_tick;
		3782
		3783	add_face "res/command_list" => FT_RSRC,
		3784	JSON::XS->new->utf8->encode (\@command_list);
		3785	}
		3786
3387	sub reload_resources {	3787	sub reload_resources {
3388	warn "reloading resource files...\n";	3788	trace "reloading resource files...\n";
3389		3789
		3790	reload_materials;
3390	reload_facedata;	3791	reload_facedata;
		3792	reload_exp_table;
		3793	reload_sound;
3391	reload_archetypes;	3794	reload_archetypes;
3392	reload_regions;	3795	reload_regions;
3393	reload_treasures;	3796	reload_treasures;
		3797	reload_pod;
3394		3798
3395	warn "finished reloading resource files\n";	3799	trace "finished reloading resource files\n";
3396	}
3397
3398	sub init {
3399	my $guard = freeze_mainloop;
3400
3401	reload_resources;
3402	}	3800	}
3403		3801
3404	sub reload_config {	3802	sub reload_config {
3405	open my $fh, "<:utf8", "$CONFDIR/config"	3803	trace "reloading config file...\n";
3406	or return;
3407		3804
3408	local $/;	3805	my $config = load_file "$CONFDIR/config";
3409	*CFG = YAML::Load <$fh>;	3806	utf8::decode $config;
		3807	*CFG = decode_yaml $config;
3410		3808
3411	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3809	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3412		3810
3413	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3811	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3414	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3812	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3415		3813
3416	if (exists $CFG{mlockall}) {	3814	if (exists $CFG{mlockall}) {
…		…
3420	};	3818	};
3421	warn $@ if $@;	3819	warn $@ if $@;
3422	}	3820	}
3423	}	3821	}
3424		3822
		3823	sub pidfile() {
		3824	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3825	or die "$PIDFILE: $!";
		3826	flock $fh, &Fcntl::LOCK_EX
		3827	or die "$PIDFILE: flock: $!";
		3828	$fh
		3829	}
		3830
		3831	# make sure only one server instance is running at any one time
		3832	sub atomic {
		3833	my $fh = pidfile;
		3834
		3835	my $pid = <$fh>;
		3836	kill 9, $pid if $pid > 0;
		3837
		3838	seek $fh, 0, 0;
		3839	print $fh $$;
		3840	}
		3841
		3842	sub main_loop {
		3843	trace "EV::loop starting\n";
		3844	if (1) {
		3845	EV::loop;
		3846	}
		3847	trace "EV::loop returned\n";
		3848	goto &main_loop unless $REALLY_UNLOOP;
		3849	}
		3850
3425	sub main {	3851	sub main {
		3852	cf::init_globals; # initialise logging
		3853
		3854	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3855	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3856	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3857	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3858
		3859	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3860
3426	# we must not ever block the main coroutine	3861	# we must not ever block the main coroutine
3427	local $Coro::idle = sub {	3862	$Coro::idle = sub {
3428	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3863	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3429	(async {	3864	(async {
3430	$Coro::current->{desc} = "IDLE BUG HANDLER";	3865	$Coro::current->{desc} = "IDLE BUG HANDLER";
3431	EV::loop EV::LOOP_ONESHOT;	3866	EV::loop EV::LOOP_ONESHOT;
3432	})->prio (Coro::PRIO_MAX);	3867	})->prio (Coro::PRIO_MAX);
3433	};	3868	};
3434		3869
3435	{	3870	evthread_start IO::AIO::poll_fileno;
3436	my $guard = freeze_mainloop;	3871
		3872	cf::sync_job {
		3873	cf::incloader::init ();
		3874
		3875	db_init;
		3876
		3877	cf::init_anim;
		3878	cf::init_attackmess;
		3879	cf::init_dynamic;
		3880
		3881	cf::load_settings;
		3882
		3883	reload_resources;
3437	reload_config;	3884	reload_config;
3438	db_init;	3885
		3886	cf::init_uuid;
		3887	cf::init_signals;
		3888	cf::init_skills;
		3889
		3890	cf::init_beforeplay;
		3891
		3892	atomic;
		3893
3439	load_extensions;	3894	load_extensions;
3440		3895
3441	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3896	utime time, time, $RUNTIMEFILE;
3442	evthread_start IO::AIO::poll_fileno;	3897
		3898	# no (long-running) fork's whatsoever before this point(!)
		3899	use POSIX ();
		3900	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3901
		3902	cf::_post_init 0;
3443	}	3903	};
3444		3904
3445	EV::loop;	3905	cf::object::thawer::errors_are_fatal 0;
		3906	info "parse errors in files are no longer fatal from this point on.\n";
		3907
		3908	AE::postpone {
		3909	undef &main; # free gobs of memory :)
		3910	};
		3911
		3912	goto &main_loop;
3446	}	3913	}
3447		3914
3448	#############################################################################	3915	#############################################################################
3449	# initialisation and cleanup	3916	# initialisation and cleanup
3450		3917
3451	# install some emergency cleanup handlers	3918	# install some emergency cleanup handlers
3452	BEGIN {	3919	BEGIN {
3453	our %SIGWATCHER = ();	3920	our %SIGWATCHER = ();
3454	for my $signal (qw(INT HUP TERM)) {	3921	for my $signal (qw(INT HUP TERM)) {
3455	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3922	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3456	cf::cleanup "SIG$signal";	3923	cf::cleanup "SIG$signal";
3457	};	3924	};
3458	}	3925	}
3459	}	3926	}
3460		3927
3461	sub write_runtime_sync {	3928	sub write_runtime_sync {
3462	my $runtime = "$LOCALDIR/runtime";	3929	my $t0 = AE::time;
3463		3930
3464	# first touch the runtime file to show we are still running:	3931	# first touch the runtime file to show we are still running:
3465	# the fsync below can take a very very long time.	3932	# the fsync below can take a very very long time.
3466		3933
3467	IO::AIO::aio_utime $runtime, undef, undef;	3934	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3468		3935
3469	my $guard = cf::lock_acquire "write_runtime";	3936	my $guard = cf::lock_acquire "write_runtime";
3470		3937
3471	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3938	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3472	or return;	3939	or return;
3473		3940
3474	my $value = $cf::RUNTIME + 90 + 10;	3941	my $value = $cf::RUNTIME + 90 + 10;
3475	# 10 is the runtime save interval, for a monotonic clock	3942	# 10 is the runtime save interval, for a monotonic clock
3476	# 60 allows for the watchdog to kill the server.	3943	# 60 allows for the watchdog to kill the server.
…		…
3486	aio_utime $fh, undef, undef;	3953	aio_utime $fh, undef, undef;
3487		3954
3488	close $fh	3955	close $fh
3489	or return;	3956	or return;
3490		3957
3491	aio_rename "$runtime~", $runtime	3958	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3492	and return;	3959	and return;
3493		3960
3494	warn "runtime file written.\n";	3961	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3495		3962
3496	1	3963	1
3497	}	3964	}
3498		3965
3499	our $uuid_lock;	3966	our $uuid_lock;
…		…
3508	my $uuid = "$LOCALDIR/uuid";	3975	my $uuid = "$LOCALDIR/uuid";
3509		3976
3510	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3977	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3511	or return;	3978	or return;
3512		3979
3513	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3980	my $value = uuid_seq uuid_cur;
		3981
		3982	unless ($value) {
		3983	info "cowardly refusing to write zero uuid value!\n";
		3984	return;
		3985	}
		3986
		3987	my $value = uuid_str $value + $uuid_skip;
3514	$uuid_skip = 0;	3988	$uuid_skip = 0;
3515		3989
3516	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3990	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3517	and return;	3991	and return;
3518		3992
…		…
3524	or return;	3998	or return;
3525		3999
3526	aio_rename "$uuid~", $uuid	4000	aio_rename "$uuid~", $uuid
3527	and return;	4001	and return;
3528		4002
3529	warn "uuid file written ($value).\n";	4003	trace "uuid file written ($value).\n";
3530		4004
3531	1	4005	1
3532		4006
3533	}	4007	}
3534		4008
…		…
3540	}	4014	}
3541		4015
3542	sub emergency_save() {	4016	sub emergency_save() {
3543	my $freeze_guard = cf::freeze_mainloop;	4017	my $freeze_guard = cf::freeze_mainloop;
3544		4018
3545	warn "enter emergency perl save\n";	4019	info "emergency_perl_save: enter\n";
		4020
		4021	# this is a trade-off: we want to be very quick here, so
		4022	# save all maps without fsync, and later call a global sync
		4023	# (which in turn might be very very slow)
		4024	local $USE_FSYNC = 0;
3546		4025
3547	cf::sync_job {	4026	cf::sync_job {
		4027	cf::write_runtime_sync; # external watchdog should not bark
		4028
3548	# use a peculiar iteration method to avoid tripping on perl	4029	# use a peculiar iteration method to avoid tripping on perl
3549	# refcount bugs in for. also avoids problems with players	4030	# refcount bugs in for. also avoids problems with players
3550	# and maps saved/destroyed asynchronously.	4031	# and maps saved/destroyed asynchronously.
3551	warn "begin emergency player save\n";	4032	info "emergency_perl_save: begin player save\n";
3552	for my $login (keys %cf::PLAYER) {	4033	for my $login (keys %cf::PLAYER) {
3553	my $pl = $cf::PLAYER{$login} or next;	4034	my $pl = $cf::PLAYER{$login} or next;
3554	$pl->valid or next;	4035	$pl->valid or next;
3555	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4036	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3556	$pl->save;	4037	$pl->save;
3557	}	4038	}
3558	warn "end emergency player save\n";	4039	info "emergency_perl_save: end player save\n";
3559		4040
3560	warn "begin emergency map save\n";	4041	cf::write_runtime_sync; # external watchdog should not bark
		4042
		4043	info "emergency_perl_save: begin map save\n";
3561	for my $path (keys %cf::MAP) {	4044	for my $path (keys %cf::MAP) {
3562	my $map = $cf::MAP{$path} or next;	4045	my $map = $cf::MAP{$path} or next;
3563	$map->valid or next;	4046	$map->valid or next;
3564	$map->save;	4047	$map->save;
3565	}	4048	}
3566	warn "end emergency map save\n";	4049	info "emergency_perl_save: end map save\n";
3567		4050
3568	warn "begin emergency database checkpoint\n";	4051	cf::write_runtime_sync; # external watchdog should not bark
		4052
		4053	info "emergency_perl_save: begin database checkpoint\n";
3569	BDB::db_env_txn_checkpoint $DB_ENV;	4054	BDB::db_env_txn_checkpoint $DB_ENV;
3570	warn "end emergency database checkpoint\n";	4055	info "emergency_perl_save: end database checkpoint\n";
3571		4056
3572	warn "begin write uuid\n";	4057	info "emergency_perl_save: begin write uuid\n";
3573	write_uuid_sync 1;	4058	write_uuid_sync 1;
3574	warn "end write uuid\n";	4059	info "emergency_perl_save: end write uuid\n";
		4060
		4061	cf::write_runtime_sync; # external watchdog should not bark
		4062
		4063	trace "emergency_perl_save: syncing database to disk";
		4064	BDB::db_env_txn_checkpoint $DB_ENV;
		4065
		4066	info "emergency_perl_save: starting sync\n";
		4067	IO::AIO::aio_sync sub {
		4068	info "emergency_perl_save: finished sync\n";
		4069	};
		4070
		4071	cf::write_runtime_sync; # external watchdog should not bark
		4072
		4073	trace "emergency_perl_save: flushing outstanding aio requests";
		4074	while (IO::AIO::nreqs || BDB::nreqs) {
		4075	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4076	}
		4077
		4078	cf::write_runtime_sync; # external watchdog should not bark
3575	};	4079	};
3576		4080
3577	warn "leave emergency perl save\n";	4081	info "emergency_perl_save: leave\n";
3578	}	4082	}
3579		4083
3580	sub post_cleanup {	4084	sub post_cleanup {
3581	my ($make_core) = @_;	4085	my ($make_core) = @_;
3582		4086
		4087	IO::AIO::flush;
		4088
3583	warn Carp::longmess "post_cleanup backtrace"	4089	error Carp::longmess "post_cleanup backtrace"
3584	if $make_core;	4090	if $make_core;
		4091
		4092	my $fh = pidfile;
		4093	unlink $PIDFILE if <$fh> == $$;
		4094	}
		4095
		4096	# a safer delete_package, copied from Symbol
		4097	sub clear_package($) {
		4098	my $pkg = shift;
		4099
		4100	# expand to full symbol table name if needed
		4101	unless ($pkg =~ /^main::.*::$/) {
		4102	$pkg = "main$pkg" if $pkg =~ /^::/;
		4103	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4104	$pkg .= '::' unless $pkg =~ /::$/;
		4105	}
		4106
		4107	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4108	my $stem_symtab = *{$stem}{HASH};
		4109
		4110	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4111	or return;
		4112
		4113	# clear all symbols
		4114	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4115	for my $name (keys %$leaf_symtab) {
		4116	_gv_clear *{"$pkg$name"};
		4117	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4118	}
3585	}	4119	}
3586		4120
3587	sub do_reload_perl() {	4121	sub do_reload_perl() {
3588	# can/must only be called in main	4122	# can/must only be called in main
3589	if ($Coro::current != $Coro::main) {	4123	unless (in_main) {
3590	warn "can only reload from main coroutine";	4124	error "can only reload from main coroutine";
3591	return;	4125	return;
3592	}	4126	}
3593		4127
3594	warn "reloading...";	4128	return if $RELOAD++;
3595		4129
3596	warn "entering sync_job";	4130	my $t1 = AE::time;
3597		4131
		4132	while ($RELOAD) {
		4133	cf::get_slot 0.1, -1, "reload_perl";
		4134	info "perl_reload: reloading...";
		4135
		4136	trace "perl_reload: entering sync_job";
		4137
3598	cf::sync_job {	4138	cf::sync_job {
3599	cf::write_runtime_sync; # external watchdog should not bark
3600	cf::emergency_save;	4139	#cf::emergency_save;
3601	cf::write_runtime_sync; # external watchdog should not bark
3602		4140
3603	warn "syncing database to disk";
3604	BDB::db_env_txn_checkpoint $DB_ENV;
3605
3606	# if anything goes wrong in here, we should simply crash as we already saved
3607
3608	warn "flushing outstanding aio requests";
3609	for (;;) {
3610	BDB::flush;
3611	IO::AIO::flush;
3612	Coro::cede_notself;
3613	last unless IO::AIO::nreqs || BDB::nreqs;
3614	warn "iterate...";
3615	}
3616
3617	++$RELOAD;
3618
3619	warn "cancelling all extension coros";	4141	trace "perl_reload: cancelling all extension coros";
3620	$_->cancel for values %EXT_CORO;	4142	$_->cancel for values %EXT_CORO;
3621	%EXT_CORO = ();	4143	%EXT_CORO = ();
3622		4144
3623	warn "removing commands";	4145	trace "perl_reload: removing commands";
3624	%COMMAND = ();	4146	%COMMAND = ();
3625		4147
3626	warn "removing ext/exti commands";	4148	trace "perl_reload: removing ext/exti commands";
3627	%EXTCMD = ();	4149	%EXTCMD = ();
3628	%EXTICMD = ();	4150	%EXTICMD = ();
3629		4151
3630	warn "unloading/nuking all extensions";	4152	trace "perl_reload: unloading/nuking all extensions";
3631	for my $pkg (@EXTS) {	4153	for my $pkg (@EXTS) {
3632	warn "... unloading $pkg";	4154	trace "... unloading $pkg";
3633		4155
3634	if (my $cb = $pkg->can ("unload")) {	4156	if (my $cb = $pkg->can ("unload")) {
3635	eval {	4157	eval {
3636	$cb->($pkg);	4158	$cb->($pkg);
3637	1	4159	1
3638	} or warn "$pkg unloaded, but with errors: $@";	4160	} or error "$pkg unloaded, but with errors: $@";
		4161	}
		4162
		4163	trace "... clearing $pkg";
		4164	clear_package $pkg;
3639	}	4165	}
3640		4166
3641	warn "... nuking $pkg";
3642	Symbol::delete_package $pkg;
3643	}
3644
3645	warn "unloading all perl modules loaded from $LIBDIR";	4167	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3646	while (my ($k, $v) = each %INC) {	4168	while (my ($k, $v) = each %INC) {
3647	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4169	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3648		4170
3649	warn "... unloading $k";	4171	trace "... unloading $k";
3650	delete $INC{$k};	4172	delete $INC{$k};
3651		4173
3652	$k =~ s/\.pm$//;	4174	$k =~ s/\.pm$//;
3653	$k =~ s/\//::/g;	4175	$k =~ s/\//::/g;
3654		4176
3655	if (my $cb = $k->can ("unload_module")) {	4177	if (my $cb = $k->can ("unload_module")) {
3656	$cb->();	4178	$cb->();
		4179	}
		4180
		4181	clear_package $k;
3657	}	4182	}
3658		4183
3659	Symbol::delete_package $k;
3660	}
3661
3662	warn "getting rid of safe::, as good as possible";	4184	trace "perl_reload: getting rid of safe::, as good as possible";
3663	Symbol::delete_package "safe::$_"	4185	clear_package "safe::$_"
3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4186	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3665		4187
3666	warn "unloading cf.pm \"a bit\"";	4188	trace "perl_reload: unloading cf.pm \"a bit\"";
3667	delete $INC{"cf.pm"};	4189	delete $INC{"cf.pm"};
3668	delete $INC{"cf/pod.pm"};	4190	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3669		4191
3670	# don't, removes xs symbols, too,	4192	# don't, removes xs symbols, too,
3671	# and global variables created in xs	4193	# and global variables created in xs
3672	#Symbol::delete_package __PACKAGE__;	4194	#clear_package __PACKAGE__;
3673		4195
3674	warn "unload completed, starting to reload now";	4196	info "perl_reload: unload completed, starting to reload now";
3675		4197
3676	warn "reloading cf.pm";	4198	trace "perl_reload: reloading cf.pm";
3677	require cf;	4199	require cf;
3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4200	cf::_connect_to_perl_1;
3679		4201
3680	warn "loading config and database again";	4202	trace "perl_reload: loading config and database again";
3681	cf::reload_config;	4203	cf::reload_config;
3682		4204
3683	warn "loading extensions";	4205	trace "perl_reload: loading extensions";
3684	cf::load_extensions;	4206	cf::load_extensions;
3685		4207
		4208	if ($REATTACH_ON_RELOAD) {
3686	warn "reattaching attachments to objects/players";	4209	trace "perl_reload: reattaching attachments to objects/players";
3687	_global_reattach; # objects, sockets	4210	_global_reattach; # objects, sockets
3688	warn "reattaching attachments to maps";	4211	trace "perl_reload: reattaching attachments to maps";
3689	reattach $_ for values %MAP;	4212	reattach $_ for values %MAP;
3690	warn "reattaching attachments to players";	4213	trace "perl_reload: reattaching attachments to players";
3691	reattach $_ for values %PLAYER;	4214	reattach $_ for values %PLAYER;
		4215	}
3692		4216
3693	warn "leaving sync_job";	4217	cf::_post_init 1;
3694		4218
		4219	trace "perl_reload: leaving sync_job";
		4220
3695	1	4221	1
3696	} or do {	4222	} or do {
3697	warn $@;	4223	error $@;
3698	cf::cleanup "error while reloading, exiting.";	4224	cf::cleanup "perl_reload: error, exiting.";
		4225	};
		4226
		4227	--$RELOAD;
3699	};	4228	}
3700		4229
3701	warn "reloaded";	4230	$t1 = AE::time - $t1;
		4231	info "perl_reload: completed in ${t1}s\n";
3702	};	4232	};
3703		4233
3704	our $RELOAD_WATCHER; # used only during reload	4234	our $RELOAD_WATCHER; # used only during reload
3705		4235
3706	sub reload_perl() {	4236	sub reload_perl() {
3707	# doing reload synchronously and two reloads happen back-to-back,	4237	# doing reload synchronously and two reloads happen back-to-back,
3708	# coro crashes during coro_state_free->destroy here.	4238	# coro crashes during coro_state_free->destroy here.
3709		4239
		4240	$RELOAD_WATCHER ||= cf::async {
		4241	Coro::AIO::aio_wait cache_extensions;
		4242
3710	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4243	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3711	do_reload_perl;	4244	do_reload_perl;
3712	undef $RELOAD_WATCHER;	4245	undef $RELOAD_WATCHER;
		4246	};
3713	};	4247	};
3714	}	4248	}
3715		4249
3716	register_command "reload" => sub {	4250	register_command "reload" => sub {
3717	my ($who, $arg) = @_;	4251	my ($who, $arg) = @_;
…		…
3723	reload_perl;	4257	reload_perl;
3724	};	4258	};
3725	}	4259	}
3726	};	4260	};
3727		4261
3728	unshift @INC, $LIBDIR;	4262	#############################################################################
3729		4263
3730	my $bug_warning = 0;	4264	my $bug_warning = 0;
3731		4265
3732	our @WAIT_FOR_TICK;
3733	our @WAIT_FOR_TICK_BEGIN;
3734
3735	sub wait_for_tick {	4266	sub wait_for_tick() {
3736	return if tick_inhibit || $Coro::current == $Coro::main;	4267	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3737		4268
3738	my $signal = new Coro::Signal;	4269	$WAIT_FOR_TICK->wait;
3739	push @WAIT_FOR_TICK, $signal;
3740	$signal->wait;
3741	}	4270	}
3742		4271
3743	sub wait_for_tick_begin {	4272	sub wait_for_tick_begin() {
3744	return if tick_inhibit || $Coro::current == $Coro::main;	4273	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3745		4274
3746	my $signal = new Coro::Signal;	4275	my $signal = new Coro::Signal;
3747	push @WAIT_FOR_TICK_BEGIN, $signal;	4276	push @WAIT_FOR_TICK_BEGIN, $signal;
3748	$signal->wait;	4277	$signal->wait;
3749	}	4278	}
…		…
3753	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4282	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3754	unless ++$bug_warning > 10;	4283	unless ++$bug_warning > 10;
3755	return;	4284	return;
3756	}	4285	}
3757		4286
3758	cf::server_tick; # one server iteration	4287	cf::one_tick; # one server iteration
		4288
		4289	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3759		4290
3760	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4291	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3761	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4292	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3762	Coro::async_pool {	4293	Coro::async_pool {
3763	$Coro::current->{desc} = "runtime saver";	4294	$Coro::current->{desc} = "runtime saver";
3764	write_runtime_sync	4295	write_runtime_sync
3765	or warn "ERROR: unable to write runtime file: $!";	4296	or error "ERROR: unable to write runtime file: $!";
3766	};	4297	};
3767	}	4298	}
3768		4299
3769	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4300	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3770	$sig->send;	4301	$sig->send;
3771	}	4302	}
3772	while (my $sig = shift @WAIT_FOR_TICK) {	4303	$WAIT_FOR_TICK->broadcast;
3773	$sig->send;
3774	}
3775		4304
3776	$LOAD = ($NOW - $TICK_START) / $TICK;	4305	$LOAD = ($NOW - $TICK_START) / $TICK;
3777	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4306	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3778		4307
3779	if (0) {	4308	if (0) {
3780	if ($NEXT_TICK) {	4309	if ($NEXT_TICK) {
3781	my $jitter = $TICK_START - $NEXT_TICK;	4310	my $jitter = $TICK_START - $NEXT_TICK;
3782	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4311	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3783	warn "jitter $JITTER\n";#d#	4312	debug "jitter $JITTER\n";#d#
3784	}	4313	}
3785	}	4314	}
3786	}	4315	}
3787		4316
3788	{	4317	{
3789	# configure BDB	4318	# configure BDB
		4319	info "initialising database";
3790		4320
3791	BDB::min_parallel 8;	4321	BDB::min_parallel 16;
3792	BDB::max_poll_reqs $TICK * 0.1;	4322	BDB::max_poll_reqs $TICK * 0.1;
3793	$AnyEvent::BDB::WATCHER->priority (1);	4323	#$AnyEvent::BDB::WATCHER->priority (1);
3794		4324
3795	unless ($DB_ENV) {	4325	unless ($DB_ENV) {
3796	$DB_ENV = BDB::db_env_create;	4326	$DB_ENV = BDB::db_env_create;
3797	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4327	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3798	| BDB::LOG_AUTOREMOVE, 1);	4328	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4329	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3799	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4330	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3800	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4331	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3801		4332
3802	cf::sync_job {	4333	cf::sync_job {
3803	eval {	4334	eval {
…		…
3822	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4353	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3823	};	4354	};
3824	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4355	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3825	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4356	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3826	};	4357	};
		4358
		4359	info "database initialised";
3827	}	4360	}
3828		4361
3829	{	4362	{
3830	# configure IO::AIO	4363	# configure IO::AIO
3831		4364
		4365	info "initialising aio";
3832	IO::AIO::min_parallel 8;	4366	IO::AIO::min_parallel 8;
3833	IO::AIO::max_poll_time $TICK * 0.1;	4367	IO::AIO::max_poll_time $TICK * 0.1;
3834	$AnyEvent::AIO::WATCHER->priority (1);	4368	undef $AnyEvent::AIO::WATCHER;
		4369	info "aio initialised";
3835	}	4370	}
3836		4371
3837	my $_log_backtrace;	4372	our $_log_backtrace;
		4373	our $_log_backtrace_last;
3838		4374
3839	sub _log_backtrace {	4375	sub _log_backtrace {
3840	my ($msg, @addr) = @_;	4376	my ($msg, @addr) = @_;
3841		4377
3842	$msg =~ s/\n//;	4378	$msg =~ s/\n$//;
3843		4379
		4380	if ($_log_backtrace_last eq $msg) {
		4381	LOG llevInfo, "[ABT] $msg\n";
		4382	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3844	# limit the # of concurrent backtraces	4383	# limit the # of concurrent backtraces
3845	if ($_log_backtrace < 2) {	4384	} elsif ($_log_backtrace < 2) {
		4385	$_log_backtrace_last = $msg;
3846	++$_log_backtrace;	4386	++$_log_backtrace;
		4387	my $perl_bt = Carp::longmess $msg;
3847	async {	4388	async {
3848	$Coro::current->{desc} = "abt $msg";	4389	$Coro::current->{desc} = "abt $msg";
3849		4390
3850	my @bt = fork_call {	4391	my @bt = fork_call {
3851	@addr = map { sprintf "%x", $_ } @addr;	4392	@addr = map { sprintf "%x", $_ } @addr;
…		…
3862	}	4403	}
3863		4404
3864	@funcs	4405	@funcs
3865	};	4406	};
3866		4407
3867	LOG llevInfo, "[ABT] $msg\n";	4408	LOG llevInfo, "[ABT] $perl_bt\n";
		4409	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3868	LOG llevInfo, "[ABT] $_\n" for @bt;	4410	LOG llevInfo, "[ABT] $_\n" for @bt;
3869	--$_log_backtrace;	4411	--$_log_backtrace;
3870	};	4412	};
3871	} else {	4413	} else {
3872	LOG llevInfo, "[ABT] $msg\n";	4414	LOG llevInfo, "[ABT] $msg\n";
3873	LOG llevInfo, "[ABT] [suppressed]\n";	4415	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3874	}	4416	}
3875	}	4417	}
3876		4418
3877	# load additional modules	4419	# load additional modules
3878	use cf::pod;	4420	require "cf/$_.pm" for @EXTRA_MODULES;
		4421	cf::_connect_to_perl_2;
3879		4422
3880	END { cf::emergency_save }	4423	END { cf::emergency_save }
3881		4424
3882	1	4425	1
3883		4426

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