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Revision 1.427 by root, Sat Apr 26 12:25:45 2008 UTC vs.
Revision 1.591 by root, Tue Nov 6 23:33:15 2012 UTC

1	#	1	#
2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.	2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
3	#	3	#
4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team	4	# Copyright (©) 2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5	#	5	#
6	# Deliantra is free software: you can redistribute it and/or modify	6	# Deliantra is free software: you can redistribute it and/or modify it under
7	# it under the terms of the GNU General Public License as published by	7	# the terms of the Affero GNU General Public License as published by the
8	# the Free Software Foundation, either version 3 of the License, or	8	# Free Software Foundation, either version 3 of the License, or (at your
9	# (at your option) any later version.	9	# option) any later version.
10	#	10	#
11	# This program is distributed in the hope that it will be useful,	11	# This program is distributed in the hope that it will be useful,
12	# but WITHOUT ANY WARRANTY; without even the implied warranty of	12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the	13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14	# GNU General Public License for more details.	14	# GNU General Public License for more details.
15	#	15	#
16	# You should have received a copy of the GNU General Public License	16	# You should have received a copy of the Affero GNU General Public License
17	# along with this program. If not, see <http://www.gnu.org/licenses/>.	17	# and the GNU General Public License along with this program. If not, see
18	#	18	# <http://www.gnu.org/licenses/>.
		19	#
19	# The authors can be reached via e-mail to <support@deliantra.net>	20	# The authors can be reached via e-mail to <support@deliantra.net>
20	#	21	#
21		22
22	package cf;	23	package cf;
23		24
24	use utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV 3.2;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
35		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
		40
36	use Coro 4.50 ();	41	use Coro ();
37	use Coro::State;	42	use Coro::State;
38	use Coro::Handle;	43	use Coro::Handle;
39	use Coro::EV;	44	use Coro::EV;
		45	use Coro::AnyEvent;
40	use Coro::Timer;	46	use Coro::Timer;
41	use Coro::Signal;	47	use Coro::Signal;
42	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
		50	use Coro::AnyEvent;
43	use Coro::AIO;	51	use Coro::AIO;
44	use Coro::BDB;	52	use Coro::BDB 1.6;
45	use Coro::Storable;	53	use Coro::Storable;
46	use Coro::Util ();	54	use Coro::Util ();
47		55
		56	use Guard ();
48	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
49	use BDB ();	58	use BDB ();
50	use Data::Dumper;	59	use Data::Dumper;
51	use Digest::MD5;
52	use Fcntl;	60	use Fcntl;
53	use YAML ();	61	use YAML::XS ();
54	use IO::AIO 2.51 ();	62	use IO::AIO ();
55	use Time::HiRes;	63	use Time::HiRes;
56	use Compress::LZF;	64	use Compress::LZF;
57	use Digest::MD5 ();	65	use Digest::MD5 ();
		66
		67	AnyEvent::detect;
58		68
59	# configure various modules to our taste	69	# configure various modules to our taste
60	#	70	#
61	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
64		79
65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
66		82
67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
68		86
69	our %COMMAND = ();	87	our %COMMAND = ();
70	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
71		89
72	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
73	our %EXTCMD = ();	91	our %EXTCMD = ();
74	our %EXTICMD = ();	92	our %EXTICMD = ();
75	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
76	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
77		95
78	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
79	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
80		100
81	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
82	our $DATADIR = datadir;	103	our $DATADIR = datadir;
83	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
84	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
85	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
86	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
87	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
90	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
91	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
92	our %RESOURCE;	114	our $PIDFILE = "$LOCALDIR/pid";
		115	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		116
		117	#our %RESOURCE; # unused
		118
		119	our $OUTPUT_RATE_MIN = 3000;
		120	our $OUTPUT_RATE_MAX = 1000000;
		121
		122	our $MAX_LINKS = 32; # how many chained exits to follow
		123	our $VERBOSE_IO = 1;
93		124
94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
95	our $AIO_POLL_WATCHER;
96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
97	our $NEXT_TICK;	127	our $NEXT_TICK;
98	our $USE_FSYNC = 1; # use fsync to write maps - default off	128	our $USE_FSYNC = 1; # use fsync to write maps - default on
99		129
100	our $BDB_POLL_WATCHER;
101	our $BDB_DEADLOCK_WATCHER;	130	our $BDB_DEADLOCK_WATCHER;
102	our $BDB_CHECKPOINT_WATCHER;	131	our $BDB_CHECKPOINT_WATCHER;
103	our $BDB_TRICKLE_WATCHER;	132	our $BDB_TRICKLE_WATCHER;
104	our $DB_ENV;	133	our $DB_ENV;
105		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
106	our %CFG;	137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
107		139
108	our $UPTIME; $UPTIME ||= time;	140	our $UPTIME; $UPTIME ||= time;
109	our $RUNTIME;	141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
110	our $NOW;	143	our $NOW;
111		144
112	our (%PLAYER, %PLAYER_LOADING); # all users	145	our (%PLAYER, %PLAYER_LOADING); # all users
113	our (%MAP, %MAP_LOADING ); # all maps	146	our (%MAP, %MAP_LOADING ); # all maps
114	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
…		…
119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)	152	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
120	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
121	our $JITTER; # average jitter	154	our $JITTER; # average jitter
122	our $TICK_START; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
123		156
		157	our @POST_INIT;
		158
		159	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		160	our $REALLY_UNLOOP; # never set to true, please :)
		161
		162	our $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
		164
124	binmode STDOUT;	165	binmode STDOUT;
125	binmode STDERR;	166	binmode STDERR;
126		167
127	# read virtual server time, if available	168	# read virtual server time, if available
128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
129	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
130	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
131	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
132	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
133		176
134	mkdir $_	177	mkdir $_
135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
136		179
137	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
138		181
139	sub cf::map::normalise;	182	sub cf::map::normalise;
140		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
141	#############################################################################	188	#############################################################################
142		189
		190	%REFLECT = ();
		191	for (@REFLECT) {
		192	my $reflect = JSON::XS::decode_json $_;
		193	$REFLECT{$reflect->{class}} = $reflect;
		194	}
		195
		196	# this is decidedly evil
		197	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
		198
		199	#############################################################################
		200
143	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
144		202
145	=over 4	203	=over 4
146		204
147	=item $cf::UPTIME	205	=item $cf::UPTIME
148		206
149	The timestamp of the server start (so not actually an uptime).	207	The timestamp of the server start (so not actually an "uptime").
		208
		209	=item $cf::SERVER_TICK
		210
		211	An unsigned integer that starts at zero when the server is started and is
		212	incremented on every tick.
		213
		214	=item $cf::NOW
		215
		216	The (real) time of the last (current) server tick - updated before and
		217	after tick processing, so this is useful only as a rough "what time is it
		218	now" estimate.
		219
		220	=item $cf::TICK
		221
		222	The interval between each server tick, in seconds.
150		223
151	=item $cf::RUNTIME	224	=item $cf::RUNTIME
152		225
153	The time this server has run, starts at 0 and is increased by $cf::TICK on	226	The time this server has run, starts at 0 and is increased by $cf::TICK on
154	every server tick.	227	every server tick.
155		228
156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
159		232
160	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
162	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
163	database environment.	236	database environment.
164		237
165	=item $cf::NOW
166
167	The time of the last (current) server tick.
168
169	=item $cf::TICK
170
171	The interval between server ticks, in seconds.
172
173	=item $cf::LOADAVG	238	=item $cf::LOADAVG
174		239
175	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
176	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
177	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
186	from wherever your confdir points to.	251	from wherever your confdir points to.
187		252
188	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
189		254
190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
191	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
193		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$cf::WAIT_FOR_TICK>).
		263
		264	=item $cf::WAIT_FOR_TICK
		265
		266	Note that C<cf::wait_for_tick> is probably the correct thing to use. This
		267	variable contains a L<Coro::Signal> that is broadcats after every server
		268	tick. Calling C<< ->wait >> on it will suspend the caller until after the
		269	next server tick.
		270
		271	=cut
		272
		273	sub wait_for_tick();
		274	sub wait_for_tick_begin();
		275
194	=item @cf::INVOKE_RESULTS	276	=item @cf::INVOKE_RESULTS
195		277
196	This array contains the results of the last C<invoke ()> call. When	278	This array contains the results of the last C<invoke ()> call. When
197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of	279	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
198	that call.	280	that call.
199		281
		282	=item %cf::REFLECT
		283
		284	Contains, for each (C++) class name, a hash reference with information
		285	about object members (methods, scalars, arrays and flags) and other
		286	metadata, which is useful for introspection.
		287
200	=back	288	=back
201		289
202	=cut	290	=cut
203		291
204	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
205	*CORE::GLOBAL::warn = sub {	293	sub warn (@) { LOG llevWarn , join "", @_ }
		294	sub info (@) { LOG llevInfo , join "", @_ }
		295	sub debug(@) { LOG llevDebug, join "", @_ }
		296	sub trace(@) { LOG llevTrace, join "", @_ }
		297
		298	$Coro::State::WARNHOOK = sub {
206	my $msg = join "", @_;	299	my $msg = join "", @_;
207		300
208	$msg .= "\n"	301	$msg .= "\n"
209	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
210		303
211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	304	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
212		305
213	LOG llevError, $msg;	306	LOG llevWarn, $msg;
214	};	307	};
215	}
216		308
217	$Coro::State::DIEHOOK = sub {	309	$Coro::State::DIEHOOK = sub {
218	return unless $^S eq 0; # "eq", not "=="	310	return unless $^S eq 0; # "eq", not "=="
219		311
220	if ($Coro::current == $Coro::main) {#d#	312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
221	warn "DIEHOOK called in main context, Coro bug?\n";#d#	315	error "DIEHOOK called in main context, Coro bug?\n";#d#
222	return;#d#	316	return;#d#
223	}#d#	317	}#d#
224		318
225	# kill coroutine otherwise	319	# kill coroutine otherwise
226	warn Carp::longmess $_[0];
227	Coro::terminate	320	Coro::terminate
228	};	321	};
229
230	$SIG{__DIE__} = sub { }; #d#?
231		322
232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
242	for my $pkg (qw(	333	for my $pkg (qw(
243	cf::global cf::attachable	334	cf::global cf::attachable
244	cf::object cf::object::player	335	cf::object cf::object::player
245	cf::client cf::player	336	cf::client cf::player
246	cf::arch cf::living	337	cf::arch cf::living
		338	cf::map cf::mapspace
247	cf::map cf::party cf::region	339	cf::party cf::region
248	)) {	340	)) {
249	no strict 'refs';
250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
251	}	342	}
252		343
253	$EV::DIED = sub {	344	$EV::DIED = sub {
254	warn "error in event callback: @_";	345	warn "error in event callback: $@";
255	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
256		352
257	#############################################################################	353	#############################################################################
258		354
259	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
260		356
…		…
281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
282	$d	378	$d
283	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
284	}	380	}
285		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($path, $data, $sync) = @_;
		405
		406	my $lock = cf::lock_acquire ("replace_file:$path");
		407
		408	my $fh = aio_open "$path~", Fcntl::O_WRONLY | Fcntl::O_CREAT | Fcntl::O_TRUNC, 0644
		409	or return;
		410
		411	$data = $data->() if ref $data;
		412
		413	length $data == aio_write $fh, 0, (length $data), $data, 0
		414	or return;
		415
		416	!$sync
		417	or !aio_fsync $fh
		418	or return;
		419
		420	aio_close $fh
		421	and return;
		422
		423	aio_rename "$path~", $path
		424	and return;
		425
		426	if ($sync) {
		427	$path =~ s%/[^/]*$%%;
		428	aio_pathsync $path;
		429	}
		430
		431	1
		432	}
		433
286	=item $ref = cf::decode_json $json	434	=item $ref = cf::decode_json $json
287		435
288	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
289		437
290	=item $json = cf::encode_json $ref	438	=item $json = cf::encode_json $ref
…		…
296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
297		445
298	sub encode_json($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
299	sub decode_json($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
300		448
		449	=item $ref = cf::decode_storable $scalar
		450
		451	Same as Coro::Storable::thaw, so blocks.
		452
		453	=cut
		454
		455	BEGIN { *decode_storable = \&Coro::Storable::thaw }
		456
		457	=item $ref = cf::decode_yaml $scalar
		458
		459	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		460
		461	=cut
		462
		463	sub decode_yaml($) {
		464	fork_call { YAML::XS::Load $_[0] } @_
		465	}
		466
		467	=item $scalar = cf::unlzf $scalar
		468
		469	Same as Compress::LZF::compress, but takes server ticks into account, so
		470	blocks.
		471
		472	=cut
		473
		474	sub unlzf($) {
		475	# we assume 100mb/s minimum decompression speed (noncompressible data on a ~2ghz machine)
		476	cf::get_slot +(length $_[0]) / 100_000_000, 0, "unlzf";
		477	Compress::LZF::decompress $_[0]
		478	}
		479
		480	=item cf::post_init { BLOCK }
		481
		482	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		483	but I<before> the server starts ticking again.
		484
		485	The codeblock will have a single boolean argument to indicate whether this
		486	is a reload or not.
		487
		488	=cut
		489
		490	sub post_init(&) {
		491	push @POST_INIT, shift;
		492	}
		493
		494	sub _post_init {
		495	trace "running post_init jobs";
		496
		497	# run them in parallel...
		498
		499	my @join;
		500
		501	while () {
		502	push @join, map &Coro::async ($_, 0), @POST_INIT;
		503	@POST_INIT = ();
		504
		505	@join or last;
		506
		507	(pop @join)->join;
		508	}
		509	}
		510
301	=item cf::lock_wait $string	511	=item cf::lock_wait $string
302		512
303	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
304		514
305	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
306		516
307	Wait until the given lock is available and then acquires it and returns	517	Wait until the given lock is available and then acquires it and returns
308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	518	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
309	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
310	returned.	520	returned.
311		521
312	Locks are *not* recursive, locking from the same coro twice results in a	522	Locks are *not* recursive, locking from the same coro twice results in a
313	deadlocked coro.	523	deadlocked coro.
…		…
319		529
320	Return true if the lock is currently active, i.e. somebody has locked it.	530	Return true if the lock is currently active, i.e. somebody has locked it.
321		531
322	=cut	532	=cut
323		533
324	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
325	our %LOCKER;#d#
326		535
327	sub lock_wait($) {	536	sub lock_wait($) {
328	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
329
330	if ($LOCKER{$key} == $Coro::current) {#d#
331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
332	return;#d#
333	}#d#
334
335	# wait for lock, if any
336	while ($LOCK{$key}) {
337	push @{ $LOCK{$key} }, $Coro::current;
338	Coro::schedule;
339	}
340	}	538	}
341		539
342	sub lock_acquire($) {	540	sub lock_acquire($) {
343	my ($key) = @_;	541	$LOCKS->guard ($_[0])
344
345	# wait, to be sure we are not locked
346	lock_wait $key;
347
348	$LOCK{$key} = [];
349	$LOCKER{$key} = $Coro::current;#d#
350
351	Coro::guard {
352	delete $LOCKER{$key};#d#
353	# wake up all waiters, to be on the safe side
354	$_->ready for @{ delete $LOCK{$key} };
355	}
356	}	542	}
357		543
358	sub lock_active($) {	544	sub lock_active($) {
359	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
360
361	! ! $LOCK{$key}
362	}	546	}
363		547
364	sub freeze_mainloop {	548	sub freeze_mainloop {
365	tick_inhibit_inc;	549	tick_inhibit_inc;
366		550
367	Coro::guard \&tick_inhibit_dec;	551	&Guard::guard (\&tick_inhibit_dec);
368	}	552	}
369		553
370	=item cf::periodic $interval, $cb	554	=item cf::periodic $interval, $cb
371		555
372	Like EV::periodic, but randomly selects a starting point so that the actions	556	Like EV::periodic, but randomly selects a starting point so that the actions
373	get spread over timer.	557	get spread over time.
374		558
375	=cut	559	=cut
376		560
377	sub periodic($$) {	561	sub periodic($$) {
378	my ($interval, $cb) = @_;	562	my ($interval, $cb) = @_;
…		…
382	EV::periodic $start, $interval, 0, $cb	566	EV::periodic $start, $interval, 0, $cb
383	}	567	}
384		568
385	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
386		570
387	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	Allocate $time seconds of blocking CPU time at priority C<$priority>
388	This call blocks and returns only when you have at least C<$time> seconds	572	(default: 0): This call blocks and returns only when you have at least
389	of cpu time till the next tick. The slot is only valid till the next cede.	573	C<$time> seconds of cpu time till the next tick. The slot is only valid
		574	till the next cede.
		575
		576	Background jobs should use a priority les than zero, interactive jobs
		577	should use 100 or more.
390		578
391	The optional C<$name> can be used to identify the job to run. It might be	579	The optional C<$name> can be used to identify the job to run. It might be
392	used for statistical purposes and should identify the same time-class.	580	used for statistical purposes and should identify the same time-class.
393		581
394	Useful for short background jobs.	582	Useful for short background jobs.
395		583
396	=cut	584	=cut
397		585
398	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
399	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
400		589
401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
402	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
403	$Coro::current->desc ("timeslot manager");	592	$Coro::current->desc ("timeslot manager");
404		593
405	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
406		596
407	while () {	597	while () {
408	next_job:	598	next_job:
		599
409	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
410	if ($avail > 0.01) {	601
411	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
412	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
413	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
414	$job->[2]->send;	606	$job->[2]->send;
415	Coro::cede;	607	Coro::cede;
416	goto next_job;	608	goto next_job;
417	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
418	}	611	}
419	}	612	}
420		613
421	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
422	# we do not use wait_for_tick() as it returns immediately when tick is inactive	615	# we do not use wait_for_tick() as it returns immediately when tick is inactive
423	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
424	$signal->wait;
425	} else {	617	} else {
		618	$busy = 0;
426	Coro::schedule;	619	Coro::schedule;
427	}	620	}
428	}	621	}
429	};	622	};
430		623
431	sub get_slot($;$$) {	624	sub get_slot($;$$) {
432	return if tick_inhibit || $Coro::current == $Coro::main;	625	return if tick_inhibit || $Coro::current == $Coro::main;
433		626
434	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
435		628
436	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
437	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
438		632
439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
441	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
467	=cut	661	=cut
468		662
469	sub sync_job(&) {	663	sub sync_job(&) {
470	my ($job) = @_;	664	my ($job) = @_;
471		665
472	if ($Coro::current == $Coro::main) {	666	if (in_main) {
473	my $time = EV::time;	667	my $time = AE::time;
474		668
475	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
476	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
477		671
478	LOG llevError, Carp::longmess "sync job";#d#	672	#LOG llevError, Carp::longmess "sync job";#d#
479		673
480	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
481		675
482	my $busy = 1;	676	my $busy = 1;
483	my @res;	677	my @res;
484		678
485	(async {	679	(async {
486	$Coro::current->desc ("sync job coro");	680	$Coro::current->desc ("sync job coro");
487	@res = eval { $job->() };	681	@res = eval { $job->() };
488	warn $@ if $@;	682	error $@ if $@;
489	undef $busy;	683	undef $busy;
490	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
491		685
492	while ($busy) {	686	while ($busy) {
493	if (Coro::nready) {	687	if (Coro::nready) {
…		…
495	} else {	689	} else {
496	EV::loop EV::LOOP_ONESHOT;	690	EV::loop EV::LOOP_ONESHOT;
497	}	691	}
498	}	692	}
499		693
500	my $time = EV::time - $time;	694	my $time = AE::time - $time;
501		695
502	$TICK_START += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
503		697
504	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
505	} else {	699	} else {
…		…
527	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
528		722
529	$coro	723	$coro
530	}	724	}
531		725
532	=item fork_call { }, $args	726	=item fork_call { }, @args
533		727
534	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
535	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
536	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
537	never block itself or use any form of event handling.	731	never block itself or use any form of event handling.
538		732
539	=cut	733	=cut
540		734
		735	sub post_fork {
		736	reset_signals;
		737	}
		738
541	sub fork_call(&@) {	739	sub fork_call(&@) {
542	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
543		741
544	# we seemingly have to make a local copy of the whole thing,	742	# we seemingly have to make a local copy of the whole thing,
545	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
546	# TODO: investigate and fix (likely this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
547		745
548	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
549	reset_signals;	747	cf::post_fork;
550	&$cb	748	&$cb
551	}, @args;	749	} @args;
552		750
553	wantarray ? @res : $res[-1]	751	wantarray ? @res : $res[-1]
		752	}
		753
		754	sub objinfo {
		755	(
		756	"counter value" => cf::object::object_count,
		757	"objects created" => cf::object::create_count,
		758	"objects destroyed" => cf::object::destroy_count,
		759	"freelist size" => cf::object::free_count,
		760	"allocated objects" => cf::object::objects_size,
		761	"active objects" => cf::object::actives_size,
		762	)
554	}	763	}
555		764
556	=item $coin = coin_from_name $name	765	=item $coin = coin_from_name $name
557		766
558	=cut	767	=cut
…		…
595	within each server.	804	within each server.
596		805
597	=cut	806	=cut
598		807
599	sub db_table($) {	808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
600	my ($name) = @_;	812	my ($name) = @_;
601	my $db = BDB::db_create $DB_ENV;	813	my $db = BDB::db_create $DB_ENV;
602		814
603	eval {	815	eval {
604	$db->set_flags (BDB::CHKSUM);	816	$db->set_flags (BDB::CHKSUM);
…		…
614	}	826	}
615		827
616	our $DB;	828	our $DB;
617		829
618	sub db_init {	830	sub db_init {
619	cf::sync_job {
620	$DB ||= db_table "db";	831	$DB ||= db_table "db";
621	};
622	}	832	}
623		833
624	sub db_get($$) {	834	sub db_get($$) {
625	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
626		836
627	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
628	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
629		841
630	$! ? ()	842	$! ? ()
631	: $data	843	: $data
632	}
633	}	844	}
634		845
635	sub db_put($$$) {	846	sub db_put($$$) {
636	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
665		876
666	my @data;	877	my @data;
667	my $md5;	878	my $md5;
668		879
669	for (0 .. $#$src) {	880	for (0 .. $#$src) {
670	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
671	or Carp::croak "$src->[$_]: $!";
672	}	882	}
673		883
674	# if processing is expensive, check	884	# if processing is expensive, check
675	# checksum first	885	# checksum first
676	if (1) {	886	if (1) {
…		…
693		903
694	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
695	my $data = $process->(\@data);	905	my $data = $process->(\@data);
696	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
697		907
698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
699		909
700	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
701	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
702	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
703		913
…		…
713		923
714	=cut	924	=cut
715		925
716	sub datalog($@) {	926	sub datalog($@) {
717	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
719	}	929	}
720		930
721	=back	931	=back
722		932
723	=cut	933	=cut
724		934
725	#############################################################################	935	#############################################################################
726		936
727	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
728		938
729	Many objects in crossfire are so-called attachable objects. That means you can	939	Many objects in deliantra are so-called attachable objects. That means you can
730	attach callbacks/event handlers (a collection of which is called an "attachment")	940	attach callbacks/event handlers (a collection of which is called an "attachment")
731	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
732		942
733	In the following description, CLASS can be any of C<global>, C<object>	943	In the following description, CLASS can be any of C<global>, C<object>
734	C<player>, C<client> or C<map> (i.e. the attachable objects in	944	C<player>, C<client> or C<map> (i.e. the attachable objects in
…		…
784	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
785		995
786	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
787	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
788		998
789	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
790	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
791		1001
792	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
793		1003
794	=over 4	1004	=over 4
…		…
918		1128
919	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
920	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
921		1131
922	} elsif (ref $type) {	1132	} elsif (ref $type) {
923	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
924		1134
925	} else {	1135	} else {
926	shift @arg;	1136	shift @arg;
927	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
928	}	1138	}
929	}	1139	}
930	}	1140	}
931		1141
932	sub _object_attach {	1142	sub _object_attach {
…		…
942	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
943	}	1153	}
944		1154
945	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
946	} else {	1156	} else {
947	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
948	}	1158	}
949		1159
950	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
951	}	1161	}
952		1162
…		…
1011		1221
1012	for (@$callbacks) {	1222	for (@$callbacks) {
1013	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
1014		1224
1015	if ($@) {	1225	if ($@) {
1016	warn "$@";
1017	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1018	override;	1227	override;
1019	}	1228	}
1020		1229
1021	return 1 if $override;	1230	return 1 if $override;
1022	}	1231	}
…		…
1085		1294
1086	sub reattach {	1295	sub reattach {
1087	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
1088	my ($obj) = @_;	1297	my ($obj) = @_;
1089		1298
		1299	# no longer needed after getting rid of delete_package?
1090	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1091		1301
1092	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
1093		1303
1094	@$registry = ();	1304	@$registry = ();
1095		1305
…		…
1100	for (@$attach) {	1310	for (@$attach) {
1101	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
1102	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
1103	}	1313	}
1104	} else {	1314	} else {
1105	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
1106	}	1316	}
1107	}	1317	}
1108	}	1318	}
1109		1319
1110	cf::attachable->attach (	1320	cf::attachable->attach (
…		…
1137	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1138		1348
1139	sync_job {	1349	sync_job {
1140	if (length $$rdata) {	1350	if (length $$rdata) {
1141	utf8::decode (my $decname = $filename);	1351	utf8::decode (my $decname = $filename);
1142	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1143	$decname, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1144		1355
1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1146	aio_chmod $fh, SAVE_MODE;	1357	aio_chmod $fh, SAVE_MODE;
1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1148	aio_fsync $fh if $cf::USE_FSYNC;	1359	if ($cf::USE_FSYNC) {
		1360	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;
		1361	aio_fsync $fh;
		1362	}
1149	aio_close $fh;	1363	aio_close $fh;
1150		1364
1151	if (@$objs) {	1365	if (@$objs) {
1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1366	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1153	aio_chmod $fh, SAVE_MODE;	1367	aio_chmod $fh, SAVE_MODE;
1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1155	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1156	aio_fsync $fh if $cf::USE_FSYNC;	1370	if ($cf::USE_FSYNC) {
		1371	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;
		1372	aio_fsync $fh;
		1373	}
1157	aio_close $fh;	1374	aio_close $fh;
1158	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1159	}	1376	}
1160	} else {	1377	} else {
1161	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1162	}	1379	}
1163		1380
1164	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1165	} else {	1385	} else {
1166	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1167	}	1387	}
1168	} else {	1388	} else {
1169	aio_unlink $filename;	1389	aio_unlink $filename;
1170	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1171	}	1391	}
…		…
1195	my $st = eval { Coro::Storable::thaw $av };	1415	my $st = eval { Coro::Storable::thaw $av };
1196	$av = $st->{objs};	1416	$av = $st->{objs};
1197	}	1417	}
1198		1418
1199	utf8::decode (my $decname = $filename);	1419	utf8::decode (my $decname = $filename);
1200	warn sprintf "loading %s (%d,%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1201	$decname, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
1202		1423
1203	($data, $av)	1424	($data, $av)
1204	}	1425	}
1205		1426
1206	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
…		…
1262	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1263		1484
1264	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1265	}	1486	}
1266		1487
		1488	use File::Glob ();
		1489
1267	cf::player->attach (	1490	cf::player->attach (
1268	on_command => sub {	1491	on_unknown_command => sub {
1269	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1270		1493
1271	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1272	or return;	1495	or return;
1273		1496
…		…
1281	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1282		1505
1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1284		1507
1285	if (ref $msg) {	1508	if (ref $msg) {
1286	my ($type, $reply, @payload) =	1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1287	"ARRAY" eq ref $msg
1288	? @$msg
1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1290		1510
1291	my @reply;	1511	my @reply;
1292		1512
1293	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1294	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
…		…
1296		1516
1297	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_reply ($reply, @reply)
1298	if $reply;	1518	if $reply;
1299		1519
1300	} else {	1520	} else {
1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1302	}	1522	}
1303		1523
1304	cf::override;	1524	cf::override;
1305	},	1525	},
1306	);	1526	);
1307		1527
		1528	# "readahead" all extensions
		1529	sub cache_extensions {
		1530	my $grp = IO::AIO::aio_group;
		1531
		1532	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
		1533	for (grep /\.ext$/, @{$_[0]}) {
		1534	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
		1535	}
		1536	};
		1537
		1538	$grp
		1539	}
		1540
		1541	sub _ext_cfg_reg($$$$) {
		1542	my ($rvar, $varname, $cfgname, $default) = @_;
		1543
		1544	$cfgname = lc $varname
		1545	unless length $cfgname;
		1546
		1547	$EXT_CFG{$cfgname} = [$rvar, $default];
		1548
		1549	$$rvar = exists $CFG{$cfgname} ? $CFG{$cfgname} : $default;
		1550	}
		1551
1308	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1309	cf::sync_job {	1557	cf::sync_job {
1310	my %todo;	1558	my %todo;
1311		1559
1312	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1313	next unless -r $path;	1561	next unless -r $path;
…		…
1331		1579
1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1334		1582
1335	$ext{source} =	1583	$ext{source} =
1336	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1337	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1338	. $source	1586	. $source
1339	. "\n};\n1";	1587	. "\n};\n1";
1340		1588
1341	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1342	}	1590	}
1343		1591
		1592	my $pass = 0;
1344	my %done;	1593	my %done;
1345	while (%todo) {	1594	while (%todo) {
1346	my $progress;	1595	my $progress;
1347		1596
		1597	++$pass;
		1598
		1599	ext:
1348	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1349	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1350	goto skip	1602	next ext
1351	unless exists $done{$_};	1603	unless exists $done{$_};
1352	}	1604	}
1353		1605
1354	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1355		1607
1356	unless (eval $v->{source}) {	1608	my $source = $v->{source};
		1609
		1610	# support "CONF varname :confname = default" pseudo-statements
		1611	$source =~ s{
		1612	^ CONF \s+ ([^\s:=]+) \s* (?:: \s* ([^\s:=]+) \s* )? = ([^\n#]+)
		1613	}{
		1614	"our \$$1; BEGIN { cf::_ext_cfg_reg \\\$$1, q\x00$1\x00, q\x00$2\x00, $3 }";
		1615	}gmxe;
		1616
		1617	my $active = eval $source;
		1618
		1619	if (length $@) {
1357	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1358	: "$v->{base}: extension inactive.\n";
1359		1621
1360	if (exists $v->{meta}{mandatory}) {
1361	warn $msg;
1362	cf::cleanup "mandatory extension failed to load, exiting.";	1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1363	}	1623	if exists $v->{meta}{mandatory};
1364		1624
1365	warn $msg;	1625	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1626	delete $todo{$k};
		1627	} else {
		1628	$done{$k} = delete $todo{$k};
		1629	push @EXTS, $v->{pkg};
		1630	$progress = 1;
		1631
		1632	info "$v->{base}: extension inactive.\n"
		1633	unless $active;
1366	}	1634	}
1367
1368	$done{$k} = delete $todo{$k};
1369	push @EXTS, $v->{pkg};
1370	$progress = 1;
1371	}	1635	}
1372		1636
1373	skip:	1637	unless ($progress) {
1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1375	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1376	}	1647	}
1377	};	1648	};
1378	}	1649	}
1379		1650
1380	#############################################################################	1651	#############################################################################
1381		1652
1382	=back	1653	=back
1383		1654
1384	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1385		1656
1386	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1387		1658
1388	=cut	1659	=cut
1389		1660
1390	package cf::player;	1661	package cf::player;
1391		1662
…		…
1434		1705
1435	sub exists($) {	1706	sub exists($) {
1436	my ($login) = @_;	1707	my ($login) = @_;
1437		1708
1438	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1439	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1440	}	1711	}
1441		1712
1442	sub find($) {	1713	sub find($) {
1443	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1444	my $login = $_[0];	1715	my $login = $_[0];
…		…
1464	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1465	}	1736	}
1466	}	1737	}
1467	}	1738	}
1468		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($pl, $path) = @_;
		1743
		1744	# restore slots saved in save, below
		1745	my $slots = delete $pl->{_slots};
		1746
		1747	$pl->ob->current_weapon ($slots->[0]);
		1748	$pl->combat_ob ($slots->[1]);
		1749	$pl->ranged_ob ($slots->[2]);
		1750	},
		1751	);
		1752
1469	sub save($) {	1753	sub save($) {
1470	my ($pl) = @_;	1754	my ($pl) = @_;
1471		1755
1472	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
1473		1757
…		…
1478		1762
1479	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1480	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1481		1765
1482	cf::get_slot 0.01;	1766	cf::get_slot 0.01;
		1767
		1768	# save slots, to be restored later
		1769	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
1483		1770
1484	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1485	cf::cede_to_tick;	1772	cf::cede_to_tick;
1486	}	1773	}
1487		1774
…		…
1519	my ($pl) = @_;	1806	my ($pl) = @_;
1520		1807
1521	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1522		1809
1523	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1524	$pl->password ("*"); # this should lock out the player until we nuked the dir	1811	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1525		1812
1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1527	$pl->deactivate;	1814	$pl->deactivate;
		1815
		1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1528	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1529	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1530		1821
1531	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1532	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1533	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1587	\@logins	1878	\@logins
1588	}	1879	}
1589		1880
1590	=item $player->maps	1881	=item $player->maps
1591		1882
		1883	=item cf::player::maps $login
		1884
1592	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1593	player. May block.	1886	player. May block.
1594		1887
1595	=cut	1888	=cut
1596		1889
…		…
1613	}	1906	}
1614		1907
1615	\@paths	1908	\@paths
1616	}	1909	}
1617		1910
1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1619		1912
1620	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1621
1622	=cut
1623
1624	use re 'eval';
1625
1626	my $group;
1627	my $interior; $interior = qr{
1628	# match a pod interior sequence sans C<< >>
1629	(?:
1630	\ (.*?)\ (?{ $group = $^N })
1631	| < (??{$interior}) >
1632	)
1633	}x;
1634
1635	sub expand_cfpod {
1636	my ($self, $pod) = @_;
1637
1638	my $xml;
1639
1640	while () {
1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1642	$group = $1;
1643
1644	$group =~ s/&/&amp;/g;
1645	$group =~ s/</&lt;/g;
1646
1647	$xml .= $group;
1648	} elsif ($pod =~ m%\G
1649	([BCGHITU])
1650	<
1651	(?:
1652	([^<>]*) (?{ $group = $^N })
1653	| < $interior >
1654	)
1655	>
1656	%gcsx
1657	) {
1658	my ($code, $data) = ($1, $group);
1659
1660	if ($code eq "B") {
1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1662	} elsif ($code eq "I") {
1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1664	} elsif ($code eq "U") {
1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1666	} elsif ($code eq "C") {
1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1668	} elsif ($code eq "T") {
1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1670	} elsif ($code eq "G") {
1671	my ($male, $female) = split /\|/, $data;
1672	$data = $self->gender ? $female : $male;
1673	$xml .= expand_cfpod ($self, $data);
1674	} elsif ($code eq "H") {
1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1677	"")
1678	[$self->{hintmode}];
1679	} else {
1680	$xml .= "error processing '$code($data)' directive";
1681	}
1682	} else {
1683	if ($pod =~ /\G(.+)/) {
1684	warn "parse error while expanding $pod (at $1)";
1685	}
1686	last;
1687	}
1688	}
1689
1690	for ($xml) {
1691	# create single paragraphs (very hackish)
1692	s/(?<=\S)\n(?=\w)/ /g;
1693
1694	# compress some whitespace
1695	s/\s+\n/\n/g; # ws line-ends
1696	s/\n\n+/\n/g; # double lines
1697	s/^\n+//; # beginning lines
1698	s/\n+$//; # ending lines
1699	}
1700
1701	$xml
1702	}
1703
1704	no re 'eval';
1705
1706	sub hintmode {
1707	$_[0]{hintmode} = $_[1] if @_ > 1;
1708	$_[0]{hintmode}
1709	}
1710		1914
1711	=item $player->ext_reply ($msgid, @msg)	1915	=item $player->ext_reply ($msgid, @msg)
1712		1916
1713	Sends an ext reply to the player.	1917	Sends an ext reply to the player.
1714		1918
…		…
1746		1950
1747	=cut	1951	=cut
1748		1952
1749	sub find_by_path($) {	1953	sub find_by_path($) {
1750	my ($path) = @_;	1954	my ($path) = @_;
		1955
		1956	$path =~ s/^~[^\/]*//; # skip ~login
1751		1957
1752	my ($match, $specificity);	1958	my ($match, $specificity);
1753		1959
1754	for my $region (list) {	1960	for my $region (list) {
1755	if ($region->{match} && $path =~ $region->{match}) {	1961	if ($region->{match} && $path =~ $region->{match}) {
…		…
1784	sub generate_random_map {	1990	sub generate_random_map {
1785	my ($self, $rmp) = @_;	1991	my ($self, $rmp) = @_;
1786		1992
1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1993	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1788		1994
1789	# mit "rum" bekleckern, nicht
1790	$self->_create_random_map (	1995	$self->_create_random_map ($rmp);
1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1794	$rmp->{exit_on_final_map},
1795	$rmp->{xsize}, $rmp->{ysize},
1796	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1797	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1798	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1799	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1800	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1801	(cf::region::find $rmp->{region}), $rmp->{custom}
1802	)
1803	}	1996	}
1804		1997
1805	=item cf::map->register ($regex, $prio)	1998	=item cf::map->register ($regex, $prio)
1806		1999
1807	Register a handler for the map path matching the given regex at the	2000	Register a handler for the map path matching the given regex at the
…		…
1812		2005
1813	sub register {	2006	sub register {
1814	my (undef, $regex, $prio) = @_;	2007	my (undef, $regex, $prio) = @_;
1815	my $pkg = caller;	2008	my $pkg = caller;
1816		2009
1817	no strict;
1818	push @{"$pkg\::ISA"}, __PACKAGE__;	2010	push @{"$pkg\::ISA"}, __PACKAGE__;
1819		2011
1820	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2012	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1821	}	2013	}
1822		2014
1823	# also paths starting with '/'	2015	# also paths starting with '/'
1824	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2016	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1825		2017
1826	sub thawer_merge {	2018	sub thawer_merge {
1827	my ($self, $merge) = @_;	2019	my ($self, $merge) = @_;
1828		2020
1829	# we have to keep some variables in memory intact	2021	# we have to keep some variables in memory intact
…		…
1834	}	2026	}
1835		2027
1836	sub normalise {	2028	sub normalise {
1837	my ($path, $base) = @_;	2029	my ($path, $base) = @_;
1838		2030
1839	$path = "$path"; # make sure its a string	2031	$path = "$path"; # make sure it's a string
1840		2032
1841	$path =~ s/\.map$//;	2033	$path =~ s/\.map$//;
1842		2034
1843	# map plan:	2035	# map plan:
1844	#	2036	#
…		…
1859	$base =~ s{[^/]+/?$}{};	2051	$base =~ s{[^/]+/?$}{};
1860	$path = "$base/$path";	2052	$path = "$base/$path";
1861	}	2053	}
1862		2054
1863	for ($path) {	2055	for ($path) {
1864	redo if s{//}{/};
1865	redo if s{/\.?/}{/};	2056	redo if s{/\.?/}{/};
1866	redo if s{/[^/]+/\.\./}{/};	2057	redo if s{/[^/]+/\.\./}{/};
1867	}	2058	}
1868		2059
1869	$path	2060	$path
…		…
1883	$self->init; # pass $1 etc.	2074	$self->init; # pass $1 etc.
1884	return $self;	2075	return $self;
1885	}	2076	}
1886	}	2077	}
1887		2078
1888	Carp::cluck "unable to resolve path '$path' (base '$base').";	2079	Carp::cluck "unable to resolve path '$path' (base '$base')";
1889	()	2080	()
1890	}	2081	}
1891		2082
		2083	# may re-bless or do other evil things
1892	sub init {	2084	sub init {
1893	my ($self) = @_;	2085	my ($self) = @_;
1894		2086
1895	$self	2087	$self
1896	}	2088	}
…		…
1927		2119
1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2120	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1929	"$UNIQUEDIR/$path"	2121	"$UNIQUEDIR/$path"
1930	}	2122	}
1931		2123
1932	# and all this just because we cannot iterate over
1933	# all maps in C++...
1934	sub change_all_map_light {
1935	my ($change) = @_;
1936
1937	$_->change_map_light ($change)
1938	for grep $_->outdoor, values %cf::MAP;
1939	}
1940
1941	sub decay_objects {	2124	sub decay_objects {
1942	my ($self) = @_;	2125	my ($self) = @_;
1943		2126
1944	return if $self->{deny_reset};	2127	return if $self->{deny_reset};
1945		2128
…		…
1970	$self->{load_path} = $path;	2153	$self->{load_path} = $path;
1971		2154
1972	1	2155	1
1973	}	2156	}
1974		2157
		2158	# used to laod the header of an original map
1975	sub load_header_orig {	2159	sub load_header_orig {
1976	my ($self) = @_;	2160	my ($self) = @_;
1977		2161
1978	$self->load_header_from ($self->load_path)	2162	$self->load_header_from ($self->load_path)
1979	}	2163	}
1980		2164
		2165	# used to laod the header of an instantiated map
1981	sub load_header_temp {	2166	sub load_header_temp {
1982	my ($self) = @_;	2167	my ($self) = @_;
1983		2168
1984	$self->load_header_from ($self->save_path)	2169	$self->load_header_from ($self->save_path)
1985	}	2170	}
1986		2171
		2172	# called after loading the header from an instantiated map
1987	sub prepare_temp {	2173	sub prepare_temp {
1988	my ($self) = @_;	2174	my ($self) = @_;
1989		2175
1990	$self->last_access ((delete $self->{last_access})	2176	$self->last_access ((delete $self->{last_access})
1991	|| $cf::RUNTIME); #d#	2177	|| $cf::RUNTIME); #d#
1992	# safety	2178	# safety
1993	$self->{instantiate_time} = $cf::RUNTIME	2179	$self->{instantiate_time} = $cf::RUNTIME
1994	if $self->{instantiate_time} > $cf::RUNTIME;	2180	if $self->{instantiate_time} > $cf::RUNTIME;
1995	}	2181	}
1996		2182
		2183	# called after loading the header from an original map
1997	sub prepare_orig {	2184	sub prepare_orig {
1998	my ($self) = @_;	2185	my ($self) = @_;
1999		2186
2000	$self->{load_original} = 1;	2187	$self->{load_original} = 1;
2001	$self->{instantiate_time} = $cf::RUNTIME;	2188	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2025		2212
2026	sub find;	2213	sub find;
2027	sub find {	2214	sub find {
2028	my ($path, $origin) = @_;	2215	my ($path, $origin) = @_;
2029		2216
		2217	cf::cede_to_tick;
		2218
2030	$path = normalise $path, $origin && $origin->path;	2219	$path = normalise $path, $origin;
2031		2220
2032	cf::lock_wait "map_data:$path";#d#remove	2221	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2033	cf::lock_wait "map_find:$path";	2222	my $guard2 = cf::lock_acquire "map_find:$path";
2034		2223
2035	$cf::MAP{$path} || do {	2224	$cf::MAP{$path} || do {
2036	my $guard1 = cf::lock_acquire "map_find:$path";
2037	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2038
2039	my $map = new_from_path cf::map $path	2225	my $map = new_from_path cf::map $path
2040	or return;	2226	or return;
2041		2227
2042	$map->{last_save} = $cf::RUNTIME;	2228	$map->{last_save} = $cf::RUNTIME;
2043		2229
…		…
2045	or return;	2231	or return;
2046		2232
2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)	2233	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
2048	# doing this can freeze the server in a sync job, obviously	2234	# doing this can freeze the server in a sync job, obviously
2049	#$cf::WAIT_FOR_TICK->wait;	2235	#$cf::WAIT_FOR_TICK->wait;
		2236	undef $guard2;
2050	undef $guard1;	2237	undef $guard1;
2051	undef $guard2;
2052	$map->reset;	2238	$map->reset;
2053	return find $path;	2239	return find $path;
2054	}	2240	}
2055		2241
2056	$cf::MAP{$path} = $map	2242	$cf::MAP{$path} = $map
2057	}	2243	}
2058	}	2244	}
2059		2245
2060	sub pre_load { }	2246	sub pre_load { }
2061	sub post_load { }	2247	#sub post_load { } # XS
2062		2248
2063	sub load {	2249	sub load {
2064	my ($self) = @_;	2250	my ($self) = @_;
2065		2251
2066	local $self->{deny_reset} = 1; # loading can take a long time	2252	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2069		2255
2070	{	2256	{
2071	my $guard = cf::lock_acquire "map_data:$path";	2257	my $guard = cf::lock_acquire "map_data:$path";
2072		2258
2073	return unless $self->valid;	2259	return unless $self->valid;
2074	return unless $self->in_memory == cf::MAP_SWAPPED;	2260	return unless $self->state == cf::MAP_SWAPPED;
2075
2076	$self->in_memory (cf::MAP_LOADING);
2077		2261
2078	$self->alloc;	2262	$self->alloc;
2079		2263
2080	$self->pre_load;	2264	$self->pre_load;
2081	cf::cede_to_tick;	2265	cf::cede_to_tick;
2082		2266
		2267	if (exists $self->{load_path}) {
2083	my $f = new_from_file cf::object::thawer $self->{load_path};	2268	my $f = new_from_file cf::object::thawer $self->{load_path};
2084	$f->skip_block;	2269	$f->skip_block;
2085	$self->_load_objects ($f)	2270	$self->_load_objects ($f)
2086	or return;	2271	or return;
2087		2272
2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2273	$self->post_load_original
2089	if delete $self->{load_original};	2274	if delete $self->{load_original};
2090		2275
2091	if (my $uniq = $self->uniq_path) {	2276	if (my $uniq = $self->uniq_path) {
2092	utf8::encode $uniq;	2277	utf8::encode $uniq;
2093	unless (aio_stat $uniq) {	2278	unless (aio_stat $uniq) {
2094	if (my $f = new_from_file cf::object::thawer $uniq) {	2279	if (my $f = new_from_file cf::object::thawer $uniq) {
2095	$self->clear_unique_items;	2280	$self->clear_unique_items;
2096	$self->_load_objects ($f);	2281	$self->_load_objects ($f);
2097	$f->resolve_delayed_derefs;	2282	$f->resolve_delayed_derefs;
		2283	}
2098	}	2284	}
2099	}	2285	}
2100	}
2101		2286
2102	$f->resolve_delayed_derefs;	2287	$f->resolve_delayed_derefs;
		2288	} else {
		2289	$self->post_load_original
		2290	if delete $self->{load_original};
		2291	}
		2292
		2293	$self->state (cf::MAP_INACTIVE);
2103		2294
2104	cf::cede_to_tick;	2295	cf::cede_to_tick;
2105	# now do the right thing for maps	2296	# now do the right thing for maps
2106	$self->link_multipart_objects;	2297	$self->link_multipart_objects;
2107	$self->difficulty ($self->estimate_difficulty)	2298	$self->difficulty ($self->estimate_difficulty)
…		…
2111	unless ($self->{deny_activate}) {	2302	unless ($self->{deny_activate}) {
2112	$self->decay_objects;	2303	$self->decay_objects;
2113	$self->fix_auto_apply;	2304	$self->fix_auto_apply;
2114	$self->update_buttons;	2305	$self->update_buttons;
2115	cf::cede_to_tick;	2306	cf::cede_to_tick;
2116	$self->set_darkness_map;	2307	#$self->activate; # no longer activate maps automatically
2117	cf::cede_to_tick;
2118	$self->activate;
2119	}	2308	}
2120		2309
2121	$self->{last_save} = $cf::RUNTIME;	2310	$self->{last_save} = $cf::RUNTIME;
2122	$self->last_access ($cf::RUNTIME);	2311	$self->last_access ($cf::RUNTIME);
2123
2124	$self->in_memory (cf::MAP_ACTIVE);
2125	}	2312	}
2126		2313
2127	$self->post_load;	2314	$self->post_load;
2128	}
2129		2315
		2316	1
		2317	}
		2318
		2319	# customize the map for a given player, i.e.
		2320	# return the _real_ map. used by e.g. per-player
		2321	# maps to change the path to ~playername/mappath
2130	sub customise_for {	2322	sub customise_for {
2131	my ($self, $ob) = @_;	2323	my ($self, $ob) = @_;
2132		2324
2133	return find "~" . $ob->name . "/" . $self->{path}	2325	return find "~" . $ob->name . "/" . $self->{path}
2134	if $self->per_player;	2326	if $self->per_player;
…		…
2137	# if $self->per_party;	2329	# if $self->per_party;
2138		2330
2139	$self	2331	$self
2140	}	2332	}
2141		2333
2142	# find and load all maps in the 3x3 area around a map
2143	sub load_neighbours {
2144	my ($map) = @_;
2145
2146	my @neigh; # diagonal neighbours
2147
2148	for (0 .. 3) {
2149	my $neigh = $map->tile_path ($_)
2150	or next;
2151	$neigh = find $neigh, $map
2152	or next;
2153	$neigh->load;
2154
2155	push @neigh,
2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2158	}
2159
2160	for (grep defined $_->[0], @neigh) {
2161	my ($path, $origin) = @$_;
2162	my $neigh = find $path, $origin
2163	or next;
2164	$neigh->load;
2165	}
2166	}
2167
2168	sub find_sync {	2334	sub find_sync {
2169	my ($path, $origin) = @_;	2335	my ($path, $origin) = @_;
2170		2336
2171	cf::sync_job { find $path, $origin }	2337	# it's a bug to call this from the main context
		2338	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2339	if $Coro::current == $Coro::main;
		2340
		2341	find $path, $origin
2172	}	2342	}
2173		2343
2174	sub do_load_sync {	2344	sub do_load_sync {
2175	my ($map) = @_;	2345	my ($map) = @_;
2176		2346
		2347	# it's a bug to call this from the main context
2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2348	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2178	if $Coro::current == $Coro::main;	2349	if $Coro::current == $Coro::main;
2179		2350
2180	cf::sync_job { $map->load };	2351	$map->load;
2181	}	2352	}
2182		2353
2183	our %MAP_PREFETCH;	2354	our %MAP_PREFETCH;
2184	our $MAP_PREFETCHER = undef;	2355	our $MAP_PREFETCHER = undef;
2185		2356
2186	sub find_async {	2357	sub find_async {
2187	my ($path, $origin, $load) = @_;	2358	my ($path, $origin, $load) = @_;
2188		2359
2189	$path = normalise $path, $origin && $origin->{path};	2360	$path = normalise $path, $origin;
2190		2361
2191	if (my $map = $cf::MAP{$path}) {	2362	if (my $map = $cf::MAP{$path}) {
2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2363	return $map if !$load || $map->linkable;
2193	}	2364	}
2194		2365
2195	$MAP_PREFETCH{$path} |= $load;	2366	$MAP_PREFETCH{$path} |= $load;
2196		2367
2197	$MAP_PREFETCHER ||= cf::async {	2368	$MAP_PREFETCHER ||= cf::async {
…		…
2211	$MAP_PREFETCHER->prio (6);	2382	$MAP_PREFETCHER->prio (6);
2212		2383
2213	()	2384	()
2214	}	2385	}
2215		2386
		2387	# common code, used by both ->save and ->swapout
2216	sub save {	2388	sub _save {
2217	my ($self) = @_;	2389	my ($self) = @_;
2218
2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
2220		2390
2221	$self->{last_save} = $cf::RUNTIME;	2391	$self->{last_save} = $cf::RUNTIME;
2222		2392
2223	return unless $self->dirty;	2393	return unless $self->dirty;
2224		2394
…		…
2244	} else {	2414	} else {
2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2415	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2246	}	2416	}
2247	}	2417	}
2248		2418
		2419	sub save {
		2420	my ($self) = @_;
		2421
		2422	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2423
		2424	$self->_save;
		2425	}
		2426
2249	sub swap_out {	2427	sub swap_out {
2250	my ($self) = @_;	2428	my ($self) = @_;
2251		2429
2252	# save first because save cedes
2253	$self->save;
2254
2255	my $lock = cf::lock_acquire "map_data:$self->{path}";	2430	my $lock = cf::lock_acquire "map_data:$self->{path}";
2256		2431
		2432	return if !$self->linkable;
		2433	return if $self->{deny_save};
2257	return if $self->players;	2434	return if $self->players;
2258	return if $self->in_memory != cf::MAP_ACTIVE;	2435
		2436	# first deactivate the map and "unlink" it from the core
		2437	$self->deactivate;
		2438	$_->clear_links_to ($self) for values %cf::MAP;
		2439	$self->state (cf::MAP_SWAPPED);
		2440
		2441	# then atomically save
		2442	$self->_save;
		2443
		2444	# then free the map
		2445	$self->clear;
		2446	}
		2447
		2448	sub reset_at {
		2449	my ($self) = @_;
		2450
		2451	# TODO: safety, remove and allow resettable per-player maps
2259	return if $self->{deny_save};	2452	return 1e99 if $self->{deny_reset};
2260		2453
		2454	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2455	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2456
		2457	$time + $to
		2458	}
		2459
		2460	sub should_reset {
		2461	my ($self) = @_;
		2462
		2463	$self->reset_at <= $cf::RUNTIME
		2464	}
		2465
		2466	sub reset {
		2467	my ($self) = @_;
		2468
		2469	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2470
		2471	return if $self->players;
		2472
		2473	cf::trace "resetting map ", $self->path, "\n";
		2474
2261	$self->in_memory (cf::MAP_SWAPPED);	2475	$self->state (cf::MAP_SWAPPED);
		2476
		2477	# need to save uniques path
		2478	unless ($self->{deny_save}) {
		2479	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2480
		2481	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2482	if $uniq;
		2483	}
		2484
		2485	delete $cf::MAP{$self->path};
2262		2486
2263	$self->deactivate;	2487	$self->deactivate;
2264	$_->clear_links_to ($self) for values %cf::MAP;	2488	$_->clear_links_to ($self) for values %cf::MAP;
2265	$self->clear;	2489	$self->clear;
2266	}
2267
2268	sub reset_at {
2269	my ($self) = @_;
2270
2271	# TODO: safety, remove and allow resettable per-player maps
2272	return 1e99 if $self->{deny_reset};
2273
2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2276
2277	$time + $to
2278	}
2279
2280	sub should_reset {
2281	my ($self) = @_;
2282
2283	$self->reset_at <= $cf::RUNTIME
2284	}
2285
2286	sub reset {
2287	my ($self) = @_;
2288
2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
2290
2291	return if $self->players;
2292
2293	warn "resetting map ", $self->path;
2294
2295	$self->in_memory (cf::MAP_SWAPPED);
2296
2297	# need to save uniques path
2298	unless ($self->{deny_save}) {
2299	my $uniq = $self->uniq_path; utf8::encode $uniq;
2300
2301	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2302	if $uniq;
2303	}
2304
2305	delete $cf::MAP{$self->path};
2306
2307	$self->deactivate;
2308	$_->clear_links_to ($self) for values %cf::MAP;
2309	$self->clear;
2310		2490
2311	$self->unlink_save;	2491	$self->unlink_save;
2312	$self->destroy;	2492	$self->destroy;
2313	}	2493	}
2314		2494
…		…
2322		2502
2323	delete $cf::MAP{$self->path};	2503	delete $cf::MAP{$self->path};
2324		2504
2325	$self->unlink_save;	2505	$self->unlink_save;
2326		2506
2327	bless $self, "cf::map";	2507	bless $self, "cf::map::wrap";
2328	delete $self->{deny_reset};	2508	delete $self->{deny_reset};
2329	$self->{deny_save} = 1;	2509	$self->{deny_save} = 1;
2330	$self->reset_timeout (1);	2510	$self->reset_timeout (1);
2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2511	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2332		2512
…		…
2389	: normalise $_	2569	: normalise $_
2390	} @{ aio_readdir $UNIQUEDIR or [] }	2570	} @{ aio_readdir $UNIQUEDIR or [] }
2391	]	2571	]
2392	}	2572	}
2393		2573
		2574	=item cf::map::static_maps
		2575
		2576	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2577	file in the shared directory excluding F</styles> and F</editor>). May
		2578	block.
		2579
		2580	=cut
		2581
		2582	sub static_maps() {
		2583	my @dirs = "";
		2584	my @maps;
		2585
		2586	while (@dirs) {
		2587	my $dir = shift @dirs;
		2588
		2589	next if $dir eq "/styles" || $dir eq "/editor";
		2590
		2591	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2592	or return;
		2593
		2594	for (@$files) {
		2595	s/\.map$// or next;
		2596	utf8::decode $_;
		2597	push @maps, "$dir/$_";
		2598	}
		2599
		2600	push @dirs, map "$dir/$_", @$dirs;
		2601	}
		2602
		2603	\@maps
		2604	}
		2605
2394	=back	2606	=back
2395		2607
2396	=head3 cf::object	2608	=head3 cf::object
2397		2609
2398	=cut	2610	=cut
…		…
2459	can be C<undef>. Does the right thing when the player is currently in a	2671	can be C<undef>. Does the right thing when the player is currently in a
2460	dialogue with the given NPC character.	2672	dialogue with the given NPC character.
2461		2673
2462	=cut	2674	=cut
2463		2675
		2676	our $SAY_CHANNEL = {
		2677	id => "say",
		2678	title => "Map",
		2679	reply => "say ",
		2680	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2681	};
		2682
		2683	our $CHAT_CHANNEL = {
		2684	id => "chat",
		2685	title => "Chat",
		2686	reply => "chat ",
		2687	tooltip => "Player chat and shouts, global to the server.",
		2688	};
		2689
2464	# rough implementation of a future "reply" method that works	2690	# rough implementation of a future "reply" method that works
2465	# with dialog boxes.	2691	# with dialog boxes.
2466	#TODO: the first argument must go, split into a $npc->reply_to ( method	2692	#TODO: the first argument must go, split into a $npc->reply_to ( method
2467	sub cf::object::player::reply($$$;$) {	2693	sub cf::object::player::reply($$$;$) {
2468	my ($self, $npc, $msg, $flags) = @_;	2694	my ($self, $npc, $msg, $flags) = @_;
…		…
2479	my $dialog = $pl->{npc_dialog};	2705	my $dialog = $pl->{npc_dialog};
2480	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));	2706	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
2481		2707
2482	} else {	2708	} else {
2483	$msg = $npc->name . " says: $msg" if $npc;	2709	$msg = $npc->name . " says: $msg" if $npc;
2484	$self->message ($msg, $flags);	2710	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
2485	}	2711	}
2486	}	2712	}
2487	}	2713	}
2488		2714
2489	=item $object->send_msg ($channel, $msg, $color, [extra...])	2715	=item $object->send_msg ($channel, $msg, $color, [extra...])
…		…
2514		2740
2515	=item $player_object->enter_link	2741	=item $player_object->enter_link
2516		2742
2517	Freezes the player and moves him/her to a special map (C<{link}>).	2743	Freezes the player and moves him/her to a special map (C<{link}>).
2518		2744
2519	The player should be reasonably safe there for short amounts of time. You	2745	The player should be reasonably safe there for short amounts of time (e.g.
2520	I<MUST> call C<leave_link> as soon as possible, though.	2746	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2747	though, as the player cannot control the character while it is on the link
		2748	map.
2521		2749
2522	Will never block.	2750	Will never block.
2523		2751
2524	=item $player_object->leave_link ($map, $x, $y)	2752	=item $player_object->leave_link ($map, $x, $y)
2525		2753
…		…
2545	sub cf::object::player::enter_link {	2773	sub cf::object::player::enter_link {
2546	my ($self) = @_;	2774	my ($self) = @_;
2547		2775
2548	$self->deactivate_recursive;	2776	$self->deactivate_recursive;
2549		2777
		2778	++$self->{_link_recursion};
		2779
2550	return if UNIVERSAL::isa $self->map, "ext::map_link";	2780	return if UNIVERSAL::isa $self->map, "ext::map_link";
2551		2781
2552	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2782	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2553	if $self->map && $self->map->{path} ne "{link}";	2783	if $self->map && $self->map->{path} ne "{link}";
2554		2784
2555	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2785	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2556	}	2786	}
2557		2787
2558	sub cf::object::player::leave_link {	2788	sub cf::object::player::leave_link {
2559	my ($self, $map, $x, $y) = @_;	2789	my ($self, $map, $x, $y) = @_;
2560		2790
…		…
2577	($x, $y) = (-1, -1)	2807	($x, $y) = (-1, -1)
2578	unless (defined $x) && (defined $y);	2808	unless (defined $x) && (defined $y);
2579		2809
2580	# use -1 or undef as default coordinates, not 0, 0	2810	# use -1 or undef as default coordinates, not 0, 0
2581	($x, $y) = ($map->enter_x, $map->enter_y)	2811	($x, $y) = ($map->enter_x, $map->enter_y)
2582	if $x <=0 && $y <= 0;	2812	if $x <= 0 && $y <= 0;
2583		2813
2584	$map->load;	2814	$map->load;
2585	$map->load_neighbours;
2586		2815
2587	return unless $self->contr->active;	2816	return unless $self->contr->active;
2588	$self->activate_recursive;
2589		2817
2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2818	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2591	$self->enter_map ($map, $x, $y);	2819	if ($self->enter_map ($map, $x, $y)) {
2592	}	2820	# entering was successful
		2821	delete $self->{_link_recursion};
		2822	# only activate afterwards, to support waiting in hooks
		2823	$self->activate_recursive;
		2824	}
2593		2825
		2826	}
		2827
2594	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2828	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2595		2829
2596	Moves the player to the given map-path and coordinates by first freezing	2830	Moves the player to the given map-path and coordinates by first freezing
2597	her, loading and preparing them map, calling the provided $check callback	2831	her, loading and preparing them map, calling the provided $check callback
2598	that has to return the map if sucecssful, and then unfreezes the player on	2832	that has to return the map if sucecssful, and then unfreezes the player on
2599	the new (success) or old (failed) map position. In either case, $done will	2833	the new (success) or old (failed) map position. In either case, $done will
2600	be called at the end of this process.	2834	be called at the end of this process.
2601		2835
		2836	Note that $check will be called with a potentially non-loaded map, so if
		2837	it needs a loaded map it has to call C<< ->load >>.
		2838
2602	=cut	2839	=cut
2603		2840
2604	our $GOTOGEN;	2841	our $GOTOGEN;
2605		2842
2606	sub cf::object::player::goto {	2843	sub cf::object::player::goto {
2607	my ($self, $path, $x, $y, $check, $done) = @_;	2844	my ($self, $path, $x, $y, $check, $done) = @_;
		2845
		2846	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2847	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2848	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2849	($path, $x, $y) = @$EMERGENCY_POSITION;
		2850	}
2608		2851
2609	# do generation counting so two concurrent goto's will be executed in-order	2852	# do generation counting so two concurrent goto's will be executed in-order
2610	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2853	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2611		2854
2612	$self->enter_link;	2855	$self->enter_link;
…		…
2632	($path, $x, $y) = (undef, undef, undef);	2875	($path, $x, $y) = (undef, undef, undef);
2633	}	2876	}
2634	}	2877	}
2635		2878
2636	my $map = eval {	2879	my $map = eval {
2637	my $map = defined $path ? cf::map::find $path : undef;	2880	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2638		2881
2639	if ($map) {	2882	if ($map) {
2640	$map = $map->customise_for ($self);	2883	$map = $map->customise_for ($self);
2641	$map = $check->($map) if $check && $map;	2884	$map = $check->($map, $x, $y, $self) if $check && $map;
2642	} else {	2885	} else {
2643	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2886	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2644	}	2887	}
2645		2888
2646	$map	2889	$map
…		…
2654	if ($gen == $self->{_goto_generation}) {	2897	if ($gen == $self->{_goto_generation}) {
2655	delete $self->{_goto_generation};	2898	delete $self->{_goto_generation};
2656	$self->leave_link ($map, $x, $y);	2899	$self->leave_link ($map, $x, $y);
2657	}	2900	}
2658		2901
2659	$done->() if $done;	2902	$done->($self) if $done;
2660	})->prio (1);	2903	})->prio (1);
2661	}	2904	}
2662		2905
2663	=item $player_object->enter_exit ($exit_object)	2906	=item $player_object->enter_exit ($exit_object)
2664		2907
…		…
2684	}	2927	}
2685		2928
2686	sub prepare_random_map {	2929	sub prepare_random_map {
2687	my ($exit) = @_;	2930	my ($exit) = @_;
2688		2931
2689	my $guard = cf::lock_acquire "exit_prepare:$exit";
2690
2691	# all this does is basically replace the /! path by	2932	# all this does is basically replace the /! path by
2692	# a new random map path (?random/...) with a seed	2933	# a new random map path (?random/...) with a seed
2693	# that depends on the exit object	2934	# that depends on the exit object
2694		2935
2695	my $rmp = parse_random_map_params $exit->msg;	2936	my $rmp = parse_random_map_params $exit->msg;
…		…
2697	if ($exit->map) {	2938	if ($exit->map) {
2698	$rmp->{region} = $exit->region->name;	2939	$rmp->{region} = $exit->region->name;
2699	$rmp->{origin_map} = $exit->map->path;	2940	$rmp->{origin_map} = $exit->map->path;
2700	$rmp->{origin_x} = $exit->x;	2941	$rmp->{origin_x} = $exit->x;
2701	$rmp->{origin_y} = $exit->y;	2942	$rmp->{origin_y} = $exit->y;
		2943
		2944	$exit->map->touch;
2702	}	2945	}
2703		2946
2704	$rmp->{random_seed} ||= $exit->random_seed;	2947	$rmp->{random_seed} ||= $exit->random_seed;
2705		2948
2706	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);	2949	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
…		…
2710	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
2711	aio_write $fh, 0, (length $data), $data, 0;	2954	aio_write $fh, 0, (length $data), $data, 0;
2712	undef $fh;	2955	undef $fh;
2713	aio_rename "$meta~", $meta;	2956	aio_rename "$meta~", $meta;
2714		2957
		2958	my $slaying = "?random/$md5";
		2959
		2960	if ($exit->valid) {
2715	$exit->slaying ("?random/$md5");	2961	$exit->slaying ("?random/$md5");
2716	$exit->msg (undef);	2962	$exit->msg (undef);
		2963	}
2717	}	2964	}
2718	}	2965	}
2719		2966
2720	sub cf::object::player::enter_exit {	2967	sub cf::object::player::enter_exit {
2721	my ($self, $exit) = @_;	2968	my ($self, $exit) = @_;
2722		2969
2723	return unless $self->type == cf::PLAYER;	2970	return unless $self->type == cf::PLAYER;
2724		2971
2725	if ($exit->slaying eq "/!") {
2726	#TODO: this should de-fi-ni-te-ly not be a sync-job
2727	# the problem is that $exit might not survive long enough
2728	# so it needs to be done right now, right here
2729	cf::sync_job { prepare_random_map $exit };
2730	}
2731
2732	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2733	my $hp = $exit->stats->hp;
2734	my $sp = $exit->stats->sp;
2735
2736	$self->enter_link;	2972	$self->enter_link;
2737		2973
2738	# if exit is damned, update players death & WoR home-position
2739	$self->contr->savebed ($slaying, $hp, $sp)
2740	if $exit->flag (FLAG_DAMNED);
2741
2742	(async {	2974	(async {
2743	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";	2975	$Coro::current->{desc} = "enter_exit";
2744		2976
2745	$self->deactivate_recursive; # just to be sure
2746	unless (eval {	2977	unless (eval {
		2978	$self->deactivate_recursive; # just to be sure
		2979
		2980	my $map = cf::map::normalise $exit->slaying, $exit->map;
		2981	my $x = $exit->stats->hp;
		2982	my $y = $exit->stats->sp;
		2983
		2984	# special map handling
		2985	my $slaying = $exit->slaying;
		2986
		2987	# special map handling
		2988	if ($slaying eq "/!") {
		2989	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2990
		2991	prepare_random_map $exit
		2992	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2993
		2994	$map = $exit->slaying;
		2995
		2996	} elsif ($slaying eq '!up') {
		2997	$map = $exit->map->tile_path (cf::TILE_UP);
		2998	$x = $exit->x;
		2999	$y = $exit->y;
		3000
		3001	} elsif ($slaying eq '!down') {
		3002	$map = $exit->map->tile_path (cf::TILE_DOWN);
		3003	$x = $exit->x;
		3004	$y = $exit->y;
		3005	}
		3006
2747	$self->goto ($slaying, $hp, $sp);	3007	$self->goto ($map, $x, $y);
2748		3008
		3009	# if exit is damned, update players death & WoR home-position
		3010	$self->contr->savebed ($map, $x, $y)
		3011	if $exit->flag (cf::FLAG_DAMNED);
		3012
2749	1;	3013	1
2750	}) {	3014	}) {
2751	$self->message ("Something went wrong deep within the crossfire server. "	3015	$self->message ("Something went wrong deep within the deliantra server. "
2752	. "I'll try to bring you back to the map you were before. "	3016	. "I'll try to bring you back to the map you were before. "
2753	. "Please report this to the dungeon master!",	3017	. "Please report this to the dungeon master!",
2754	cf::NDI_UNIQUE | cf::NDI_RED);	3018	cf::NDI_UNIQUE | cf::NDI_RED);
2755		3019
2756	warn "ERROR in enter_exit: $@";	3020	error "ERROR in enter_exit: $@";
2757	$self->leave_link;	3021	$self->leave_link;
2758	}	3022	}
2759	})->prio (1);	3023	})->prio (1);
2760	}	3024	}
2761		3025
…		…
2773	sub cf::client::send_drawinfo {	3037	sub cf::client::send_drawinfo {
2774	my ($self, $text, $flags) = @_;	3038	my ($self, $text, $flags) = @_;
2775		3039
2776	utf8::encode $text;	3040	utf8::encode $text;
2777	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3041	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3042	}
		3043
		3044	=item $client->send_big_packet ($pkt)
		3045
		3046	Like C<send_packet>, but tries to compress large packets, and fragments
		3047	them as required.
		3048
		3049	=cut
		3050
		3051	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3052
		3053	sub cf::client::send_big_packet {
		3054	my ($self, $pkt) = @_;
		3055
		3056	# try lzf for large packets
		3057	$pkt = "lzf " . Compress::LZF::compress $pkt
		3058	if 1024 <= length $pkt and $self->{can_lzf};
		3059
		3060	# split very large packets
		3061	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3062	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3063	$pkt = "frag";
		3064	}
		3065
		3066	$self->send_packet ($pkt);
2778	}	3067	}
2779		3068
2780	=item $client->send_msg ($channel, $msg, $color, [extra...])	3069	=item $client->send_msg ($channel, $msg, $color, [extra...])
2781		3070
2782	Send a drawinfo or msg packet to the client, formatting the msg for the	3071	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2786		3075
2787	=cut	3076	=cut
2788		3077
2789	# non-persistent channels (usually the info channel)	3078	# non-persistent channels (usually the info channel)
2790	our %CHANNEL = (	3079	our %CHANNEL = (
		3080	"c/motd" => {
		3081	id => "infobox",
		3082	title => "MOTD",
		3083	reply => undef,
		3084	tooltip => "The message of the day",
		3085	},
2791	"c/identify" => {	3086	"c/identify" => {
2792	id => "infobox",	3087	id => "infobox",
2793	title => "Identify",	3088	title => "Identify",
2794	reply => undef,	3089	reply => undef,
2795	tooltip => "Items recently identified",	3090	tooltip => "Items recently identified",
…		…
2797	"c/examine" => {	3092	"c/examine" => {
2798	id => "infobox",	3093	id => "infobox",
2799	title => "Examine",	3094	title => "Examine",
2800	reply => undef,	3095	reply => undef,
2801	tooltip => "Signs and other items you examined",	3096	tooltip => "Signs and other items you examined",
		3097	},
		3098	"c/shopinfo" => {
		3099	id => "infobox",
		3100	title => "Shop Info",
		3101	reply => undef,
		3102	tooltip => "What your bargaining skill tells you about the shop",
2802	},	3103	},
2803	"c/book" => {	3104	"c/book" => {
2804	id => "infobox",	3105	id => "infobox",
2805	title => "Book",	3106	title => "Book",
2806	reply => undef,	3107	reply => undef,
…		…
2822	id => "infobox",	3123	id => "infobox",
2823	title => "Body Parts",	3124	title => "Body Parts",
2824	reply => undef,	3125	reply => undef,
2825	tooltip => "Shows which body parts you posess and are available",	3126	tooltip => "Shows which body parts you posess and are available",
2826	},	3127	},
		3128	"c/statistics" => {
		3129	id => "infobox",
		3130	title => "Statistics",
		3131	reply => undef,
		3132	tooltip => "Shows your primary statistics",
		3133	},
		3134	"c/skills" => {
		3135	id => "infobox",
		3136	title => "Skills",
		3137	reply => undef,
		3138	tooltip => "Shows your experience per skill and item power",
		3139	},
		3140	"c/shopitems" => {
		3141	id => "infobox",
		3142	title => "Shop Items",
		3143	reply => undef,
		3144	tooltip => "Shows the items currently for sale in this shop",
		3145	},
		3146	"c/resistances" => {
		3147	id => "infobox",
		3148	title => "Resistances",
		3149	reply => undef,
		3150	tooltip => "Shows your resistances",
		3151	},
		3152	"c/pets" => {
		3153	id => "infobox",
		3154	title => "Pets",
		3155	reply => undef,
		3156	tooltip => "Shows information abotu your pets/a specific pet",
		3157	},
		3158	"c/perceiveself" => {
		3159	id => "infobox",
		3160	title => "Perceive Self",
		3161	reply => undef,
		3162	tooltip => "You gained detailed knowledge about yourself",
		3163	},
2827	"c/uptime" => {	3164	"c/uptime" => {
2828	id => "infobox",	3165	id => "infobox",
2829	title => "Uptime",	3166	title => "Uptime",
2830	reply => undef,	3167	reply => undef,
2831	tooltip => "How long the server has been running since last restart",	3168	tooltip => "How long the server has been running since last restart",
…		…
2840	id => "party",	3177	id => "party",
2841	title => "Party",	3178	title => "Party",
2842	reply => "gsay ",	3179	reply => "gsay ",
2843	tooltip => "Messages and chat related to your party",	3180	tooltip => "Messages and chat related to your party",
2844	},	3181	},
		3182	"c/death" => {
		3183	id => "death",
		3184	title => "Death",
		3185	reply => undef,
		3186	tooltip => "Reason for and more info about your most recent death",
		3187	},
		3188	"c/say" => $SAY_CHANNEL,
		3189	"c/chat" => $CHAT_CHANNEL,
2845	);	3190	);
2846		3191
2847	sub cf::client::send_msg {	3192	sub cf::client::send_msg {
2848	my ($self, $channel, $msg, $color, @extra) = @_;	3193	my ($self, $channel, $msg, $color, @extra) = @_;
2849		3194
2850	$msg = $self->pl->expand_cfpod ($msg);	3195	$msg = $self->pl->expand_cfpod ($msg)
		3196	unless $color & cf::NDI_VERBATIM;
2851		3197
2852	$color &= cf::NDI_CLIENT_MASK; # just in case...	3198	$color &= cf::NDI_CLIENT_MASK; # just in case...
2853		3199
2854	# check predefined channels, for the benefit of C	3200	# check predefined channels, for the benefit of C
2855	if ($CHANNEL{$channel}) {	3201	if ($CHANNEL{$channel}) {
2856	$channel = $CHANNEL{$channel};	3202	$channel = $CHANNEL{$channel};
2857		3203
2858	$self->ext_msg (channel_info => $channel)	3204	$self->ext_msg (channel_info => $channel);
2859	if $self->can_msg;
2860
2861	$channel = $channel->{id};	3205	$channel = $channel->{id};
2862		3206
2863	} elsif (ref $channel) {	3207	} elsif (ref $channel) {
2864	# send meta info to client, if not yet sent	3208	# send meta info to client, if not yet sent
2865	unless (exists $self->{channel}{$channel->{id}}) {	3209	unless (exists $self->{channel}{$channel->{id}}) {
2866	$self->{channel}{$channel->{id}} = $channel;	3210	$self->{channel}{$channel->{id}} = $channel;
2867	$self->ext_msg (channel_info => $channel)	3211	$self->ext_msg (channel_info => $channel);
2868	if $self->can_msg;
2869	}	3212	}
2870		3213
2871	$channel = $channel->{id};	3214	$channel = $channel->{id};
2872	}	3215	}
2873		3216
2874	return unless @extra || length $msg;	3217	return unless @extra || length $msg;
2875		3218
2876	if ($self->can_msg) {
2877	# default colour, mask it out	3219	# default colour, mask it out
2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3220	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2879	if $color & cf::NDI_DEF;	3221	if $color & cf::NDI_DEF;
2880		3222
2881	$self->send_packet ("msg " . $self->{json_coder}->encode (	3223	my $pkt = "msg "
		3224	. $self->{json_coder}->encode (
2882	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3225	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2883	} else {	3226	);
2884	if ($color >= 0) {
2885	# replace some tags by gcfclient-compatible ones
2886	for ($msg) {
2887	1 while
2888	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2889	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2890	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2891	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2892	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2893	}
2894		3227
2895	$color &= cf::NDI_COLOR_MASK;	3228	$self->send_big_packet ($pkt);
2896
2897	utf8::encode $msg;
2898
2899	if (0 && $msg =~ /\[/) {
2900	# COMMAND/INFO
2901	$self->send_packet ("drawextinfo $color 10 8 $msg")
2902	} else {
2903	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2904	$self->send_packet ("drawinfo $color $msg")
2905	}
2906	}
2907	}
2908	}	3229	}
2909		3230
2910	=item $client->ext_msg ($type, @msg)	3231	=item $client->ext_msg ($type, @msg)
2911		3232
2912	Sends an ext event to the client.	3233	Sends an ext event to the client.
…		…
2914	=cut	3235	=cut
2915		3236
2916	sub cf::client::ext_msg($$@) {	3237	sub cf::client::ext_msg($$@) {
2917	my ($self, $type, @msg) = @_;	3238	my ($self, $type, @msg) = @_;
2918		3239
2919	if ($self->extcmd == 2) {
2920	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3240	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2921	} elsif ($self->extcmd == 1) { # TODO: remove
2922	push @msg, msgtype => "event_$type";
2923	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2924	}
2925	}	3241	}
2926		3242
2927	=item $client->ext_reply ($msgid, @msg)	3243	=item $client->ext_reply ($msgid, @msg)
2928		3244
2929	Sends an ext reply to the client.	3245	Sends an ext reply to the client.
…		…
2931	=cut	3247	=cut
2932		3248
2933	sub cf::client::ext_reply($$@) {	3249	sub cf::client::ext_reply($$@) {
2934	my ($self, $id, @msg) = @_;	3250	my ($self, $id, @msg) = @_;
2935		3251
2936	if ($self->extcmd == 2) {
2937	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));	3252	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2938	} elsif ($self->extcmd == 1) {
2939	#TODO: version 1, remove
2940	unshift @msg, msgtype => "reply", msgid => $id;
2941	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2942	}
2943	}	3253	}
2944		3254
2945	=item $success = $client->query ($flags, "text", \&cb)	3255	=item $success = $client->query ($flags, "text", \&cb)
2946		3256
2947	Queues a query to the client, calling the given callback with	3257	Queues a query to the client, calling the given callback with
…		…
3002	my ($ns, $buf) = @_;	3312	my ($ns, $buf) = @_;
3003		3313
3004	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3314	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3005		3315
3006	if (ref $msg) {	3316	if (ref $msg) {
3007	my ($type, $reply, @payload) =	3317	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3008	"ARRAY" eq ref $msg
3009	? @$msg
3010	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3011		3318
3012	my @reply;	3319	my @reply;
3013		3320
3014	if (my $cb = $EXTICMD{$type}) {	3321	if (my $cb = $EXTICMD{$type}) {
3015	@reply = $cb->($ns, @payload);	3322	@reply = $cb->($ns, @payload);
…		…
3017		3324
3018	$ns->ext_reply ($reply, @reply)	3325	$ns->ext_reply ($reply, @reply)
3019	if $reply;	3326	if $reply;
3020		3327
3021	} else {	3328	} else {
3022	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3329	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3023	}	3330	}
3024		3331
3025	cf::override;	3332	cf::override;
3026	},	3333	},
3027	);	3334	);
…		…
3047		3354
3048	$coro	3355	$coro
3049	}	3356	}
3050		3357
3051	cf::client->attach (	3358	cf::client->attach (
3052	on_destroy => sub {	3359	on_client_destroy => sub {
3053	my ($ns) = @_;	3360	my ($ns) = @_;
3054		3361
3055	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3362	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3056	},	3363	},
3057	);	3364	);
…		…
3073	our $safe_hole = new Safe::Hole;	3380	our $safe_hole = new Safe::Hole;
3074		3381
3075	$SIG{FPE} = 'IGNORE';	3382	$SIG{FPE} = 'IGNORE';
3076		3383
3077	$safe->permit_only (Opcode::opset qw(	3384	$safe->permit_only (Opcode::opset qw(
3078	:base_core :base_mem :base_orig :base_math	3385	:base_core :base_mem :base_orig :base_math :base_loop
3079	grepstart grepwhile mapstart mapwhile	3386	grepstart grepwhile mapstart mapwhile
3080	sort time	3387	sort time
3081	));	3388	));
3082		3389
3083	# here we export the classes and methods available to script code	3390	# here we export the classes and methods available to script code
…		…
3087	The following functions and methods are available within a safe environment:	3394	The following functions and methods are available within a safe environment:
3088		3395
3089	cf::object	3396	cf::object
3090	contr pay_amount pay_player map x y force_find force_add destroy	3397	contr pay_amount pay_player map x y force_find force_add destroy
3091	insert remove name archname title slaying race decrease split	3398	insert remove name archname title slaying race decrease split
		3399	value
3092		3400
3093	cf::object::player	3401	cf::object::player
3094	player	3402	player
3095		3403
3096	cf::player	3404	cf::player
…		…
3101		3409
3102	=cut	3410	=cut
3103		3411
3104	for (	3412	for (
3105	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3413	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3106	insert remove inv name archname title slaying race	3414	insert remove inv nrof name archname title slaying race
3107	decrease split destroy)],	3415	decrease split destroy change_exp value msg lore send_msg)],
3108	["cf::object::player" => qw(player)],	3416	["cf::object::player" => qw(player)],
3109	["cf::player" => qw(peaceful)],	3417	["cf::player" => qw(peaceful send_msg)],
3110	["cf::map" => qw(trigger)],	3418	["cf::map" => qw(trigger)],
3111	) {	3419	) {
3112	no strict 'refs';
3113	my ($pkg, @funs) = @$_;	3420	my ($pkg, @funs) = @$_;
3114	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3421	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3115	for @funs;	3422	for @funs;
3116	}	3423	}
3117		3424
…		…
3132		3439
3133	my $qcode = $code;	3440	my $qcode = $code;
3134	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3441	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3135	$qcode =~ s/\n/\\n/g;	3442	$qcode =~ s/\n/\\n/g;
3136		3443
		3444	%vars = (_dummy => 0) unless %vars;
		3445
		3446	my @res;
3137	local $_;	3447	local $_;
3138	local @safe::cf::_safe_eval_args = values %vars;
3139		3448
3140	my $eval =	3449	my $eval =
3141	"do {\n"	3450	"do {\n"
3142	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3451	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3143	. "#line 0 \"{$qcode}\"\n"	3452	. "#line 0 \"{$qcode}\"\n"
3144	. $code	3453	. $code
3145	. "\n}"	3454	. "\n}"
3146	;	3455	;
3147		3456
		3457	if ($CFG{safe_eval}) {
3148	sub_generation_inc;	3458	sub_generation_inc;
		3459	local @safe::cf::_safe_eval_args = values %vars;
3149	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3460	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3150	sub_generation_inc;	3461	sub_generation_inc;
		3462	} else {
		3463	local @cf::_safe_eval_args = values %vars;
		3464	@res = wantarray ? eval eval : scalar eval $eval;
		3465	}
3151		3466
3152	if ($@) {	3467	if ($@) {
3153	warn "$@";	3468	warn "$@",
3154	warn "while executing safe code '$code'\n";	3469	"while executing safe code '$code'\n",
3155	warn "with arguments " . (join " ", %vars) . "\n";	3470	"with arguments " . (join " ", %vars) . "\n";
3156	}	3471	}
3157		3472
3158	wantarray ? @res : $res[0]	3473	wantarray ? @res : $res[0]
3159	}	3474	}
3160		3475
…		…
3174	=cut	3489	=cut
3175		3490
3176	sub register_script_function {	3491	sub register_script_function {
3177	my ($fun, $cb) = @_;	3492	my ($fun, $cb) = @_;
3178		3493
3179	no strict 'refs';	3494	$fun = "safe::$fun" if $CFG{safe_eval};
3180	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3495	*$fun = $safe_hole->wrap ($cb);
3181	}	3496	}
3182		3497
3183	=back	3498	=back
3184		3499
3185	=cut	3500	=cut
3186		3501
3187	#############################################################################	3502	#############################################################################
3188	# the server's init and main functions	3503	# the server's init and main functions
		3504
		3505	our %FACEHASH; # hash => idx, #d# HACK for http server
		3506
		3507	# internal api, not fianlised
		3508	sub add_face {
		3509	my ($name, $type, $data) = @_;
		3510
		3511	my $idx = cf::face::find $name;
		3512
		3513	if ($idx) {
		3514	delete $FACEHASH{cf::face::get_chksum $idx};
		3515	} else {
		3516	$idx = cf::face::alloc $name;
		3517	}
		3518
		3519	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3520
		3521	cf::face::set_type $idx, $type;
		3522	cf::face::set_data $idx, 0, $data, $hash;
		3523	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3524	$FACEHASH{$hash} = $idx;#d#
		3525
		3526	$idx
		3527	}
3189		3528
3190	sub load_facedata($) {	3529	sub load_facedata($) {
3191	my ($path) = @_;	3530	my ($path) = @_;
3192		3531
3193	# HACK to clear player env face cache, we need some signal framework	3532	# HACK to clear player env face cache, we need some signal framework
3194	# for this (global event?)	3533	# for this (global event?)
3195	%ext::player_env::MUSIC_FACE_CACHE = ();	3534	%ext::player_env::MUSIC_FACE_CACHE = ();
3196		3535
3197	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3536	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3198		3537
3199	warn "loading facedata from $path\n";	3538	trace "loading facedata from $path\n";
3200		3539
3201	my $facedata;	3540	my $facedata = decode_storable load_file $path;
3202	0 < aio_load $path, $facedata
3203	or die "$path: $!";
3204
3205	$facedata = Coro::Storable::thaw $facedata;
3206		3541
3207	$facedata->{version} == 2	3542	$facedata->{version} == 2
3208	or cf::cleanup "$path: version mismatch, cannot proceed.";	3543	or cf::cleanup "$path: version mismatch, cannot proceed.";
3209		3544
3210	# patch in the exptable
3211	$facedata->{resource}{"res/exp_table"} = {
3212	type => FT_RSRC,
3213	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3214	};
3215	cf::cede_to_tick;	3545	cf::cede_to_tick;
3216		3546
3217	{	3547	{
3218	my $faces = $facedata->{faceinfo};	3548	my $faces = $facedata->{faceinfo};
3219		3549
3220	while (my ($face, $info) = each %$faces) {	3550	for my $face (sort keys %$faces) {
		3551	my $info = $faces->{$face};
3221	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3552	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3222		3553
3223	cf::face::set_visibility $idx, $info->{visibility};	3554	cf::face::set_visibility $idx, $info->{visibility};
3224	cf::face::set_magicmap $idx, $info->{magicmap};	3555	cf::face::set_magicmap $idx, $info->{magicmap};
3225	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3556	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3226	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3557	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3558	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3559	$FACEHASH{$info->{hash64}} = $idx;#d#
3227		3560
3228	cf::cede_to_tick;	3561	cf::cede_to_tick;
3229	}	3562	}
3230		3563
3231	while (my ($face, $info) = each %$faces) {	3564	while (my ($face, $info) = each %$faces) {
…		…
3236		3569
3237	if (my $smooth = cf::face::find $info->{smooth}) {	3570	if (my $smooth = cf::face::find $info->{smooth}) {
3238	cf::face::set_smooth $idx, $smooth;	3571	cf::face::set_smooth $idx, $smooth;
3239	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3572	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3240	} else {	3573	} else {
3241	warn "smooth face '$info->{smooth}' not found for face '$face'";	3574	error "smooth face '$info->{smooth}' not found for face '$face'";
3242	}	3575	}
3243		3576
3244	cf::cede_to_tick;	3577	cf::cede_to_tick;
3245	}	3578	}
3246	}	3579	}
…		…
3255		3588
3256	cf::anim::invalidate_all; # d'oh	3589	cf::anim::invalidate_all; # d'oh
3257	}	3590	}
3258		3591
3259	{	3592	{
3260	# TODO: for gcfclient pleasure, we should give resources
3261	# that gcfclient doesn't grok a >10000 face index.
3262	my $res = $facedata->{resource};	3593	my $res = $facedata->{resource};
3263		3594
3264	while (my ($name, $info) = each %$res) {	3595	while (my ($name, $info) = each %$res) {
3265	if (defined $info->{type}) {	3596	if (defined (my $type = $info->{type})) {
		3597	# TODO: different hash - must free and use new index, or cache ixface data queue
3266	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3598	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3267	my $data;
3268		3599
3269	if ($info->{type} & 1) {
3270	# prepend meta info
3271
3272	my $meta = $enc->encode ({
3273	name => $name,
3274	%{ $info->{meta} || {} },
3275	});
3276
3277	$data = pack "(w/a*)*", $meta, $info->{data};
3278	} else {
3279	$data = $info->{data};
3280	}
3281
3282	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3283	cf::face::set_type $idx, $info->{type};	3600	cf::face::set_type $idx, $type;
		3601	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3602	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3603	$FACEHASH{$info->{hash}} = $idx;#d#
3284	} else {	3604	} else {
3285	$RESOURCE{$name} = $info;	3605	# $RESOURCE{$name} = $info; # unused
3286	}	3606	}
3287		3607
3288	cf::cede_to_tick;	3608	cf::cede_to_tick;
3289	}	3609	}
3290	}	3610	}
3291		3611
3292	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3612	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3293		3613
3294	1	3614	1
3295	}	3615	}
3296
3297	cf::global->attach (on_resource_update => sub {
3298	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3299	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3300
3301	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3302	my $sound = $soundconf->{compat}[$_]
3303	or next;
3304
3305	my $face = cf::face::find "sound/$sound->[1]";
3306	cf::sound::set $sound->[0] => $face;
3307	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3308	}
3309
3310	while (my ($k, $v) = each %{$soundconf->{event}}) {
3311	my $face = cf::face::find "sound/$v";
3312	cf::sound::set $k => $face;
3313	}
3314	}
3315	});
3316		3616
3317	register_exticmd fx_want => sub {	3617	register_exticmd fx_want => sub {
3318	my ($ns, $want) = @_;	3618	my ($ns, $want) = @_;
3319		3619
3320	while (my ($k, $v) = each %$want) {	3620	while (my ($k, $v) = each %$want) {
…		…
3328	my $status = load_resource_file_ $_[0];	3628	my $status = load_resource_file_ $_[0];
3329	get_slot 0.1, 100;	3629	get_slot 0.1, 100;
3330	cf::arch::commit_load;	3630	cf::arch::commit_load;
3331		3631
3332	$status	3632	$status
		3633	}
		3634
		3635	sub reload_exp_table {
		3636	_reload_exp_table;
		3637
		3638	add_face "res/exp_table" => FT_RSRC,
		3639	JSON::XS->new->utf8->canonical->encode (
		3640	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3641	);
		3642	}
		3643
		3644	sub reload_materials {
		3645	_reload_materials;
3333	}	3646	}
3334		3647
3335	sub reload_regions {	3648	sub reload_regions {
3336	# HACK to clear player env face cache, we need some signal framework	3649	# HACK to clear player env face cache, we need some signal framework
3337	# for this (global event?)	3650	# for this (global event?)
…		…
3352	}	3665	}
3353		3666
3354	sub reload_archetypes {	3667	sub reload_archetypes {
3355	load_resource_file "$DATADIR/archetypes"	3668	load_resource_file "$DATADIR/archetypes"
3356	or die "unable to load archetypes\n";	3669	or die "unable to load archetypes\n";
		3670
		3671	add_face "res/skill_info" => FT_RSRC,
		3672	JSON::XS->new->utf8->canonical->encode (
		3673	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3674	);
		3675	add_face "res/spell_paths" => FT_RSRC,
		3676	JSON::XS->new->utf8->canonical->encode (
		3677	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3678	);
3357	}	3679	}
3358		3680
3359	sub reload_treasures {	3681	sub reload_treasures {
3360	load_resource_file "$DATADIR/treasures"	3682	load_resource_file "$DATADIR/treasures"
3361	or die "unable to load treasurelists\n";	3683	or die "unable to load treasurelists\n";
3362	}	3684	}
3363		3685
		3686	sub reload_sound {
		3687	trace "loading sound config from $DATADIR/sound\n";
		3688
		3689	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3690
		3691	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3692	my $sound = $soundconf->{compat}[$_]
		3693	or next;
		3694
		3695	my $face = cf::face::find "sound/$sound->[1]";
		3696	cf::sound::set $sound->[0] => $face;
		3697	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3698	}
		3699
		3700	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3701	my $face = cf::face::find "sound/$v";
		3702	cf::sound::set $k => $face;
		3703	}
		3704	}
		3705
		3706	sub reload_pod {
		3707	trace "loading pods $PODDIR\n";
		3708
		3709	my @command_help;
		3710
		3711	for (
		3712	[0, "command_help"],
		3713	[1, "emote_help"],
		3714	[2, "dmcommand_help"],
		3715	) {
		3716	my ($type, $path) = @$_;
		3717
		3718	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3719	or die "unable to load $path";
		3720
		3721	my $level = 1e9;
		3722
		3723	for my $par (@$paragraphs) {
		3724	if ($par->{type} eq "head2") {
		3725	# this code taken almost verbatim from DC/Protocol.pm
		3726
		3727	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3728	my $cmd = $1;
		3729	my @args = split /\|/, $2;
		3730	@args = (".*") unless @args;
		3731
		3732	$_ = $_ eq ".*" ? "" : " $_"
		3733	for @args;
		3734
		3735	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3736
		3737	push @command_help, [$type, \@variants, &cf::pod::as_cfpod ([$par])];
		3738	$level = $par->{level};
		3739	} else {
		3740	error "$par->{markup}: unparsable command heading";
		3741	}
		3742	} elsif ($par->{level} > $level) {
		3743	$command_help[-1][2] .= &cf::pod::as_cfpod ([$par]);
		3744	}
		3745
		3746	cf::cede_to_tick;
		3747	}
		3748	}
		3749
		3750	@command_help = sort {
		3751	$a->[0] <=> $b->[0]
		3752	or $a->[1] cmp $b->[1]
		3753	} @command_help;
		3754
		3755	cf::cede_to_tick;
		3756
		3757	add_face "res/command_help" => FT_RSRC,
		3758	JSON::XS->new->utf8->encode (\@command_help);
		3759	}
		3760
3364	sub reload_resources {	3761	sub reload_resources {
3365	warn "reloading resource files...\n";	3762	trace "reloading resource files...\n";
3366		3763
		3764	reload_materials;
3367	reload_facedata;	3765	reload_facedata;
		3766	reload_exp_table;
		3767	reload_sound;
3368	reload_archetypes;	3768	reload_archetypes;
3369	reload_regions;	3769	reload_regions;
3370	reload_treasures;	3770	reload_treasures;
		3771	reload_pod;
3371		3772
3372	warn "finished reloading resource files\n";	3773	trace "finished reloading resource files\n";
3373	}
3374
3375	sub init {
3376	my $guard = freeze_mainloop;
3377
3378	reload_resources;
3379	}	3774	}
3380		3775
3381	sub reload_config {	3776	sub reload_config {
3382	open my $fh, "<:utf8", "$CONFDIR/config"	3777	trace "reloading config file...\n";
3383	or return;
3384		3778
3385	local $/;	3779	my $config = load_file "$CONFDIR/config";
3386	*CFG = YAML::Load <$fh>;	3780	utf8::decode $config;
		3781	*CFG = decode_yaml $config;
3387		3782
3388	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3783	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3389		3784
3390	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3785	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3391	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3786	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3392		3787
3393	if (exists $CFG{mlockall}) {	3788	if (exists $CFG{mlockall}) {
…		…
3397	};	3792	};
3398	warn $@ if $@;	3793	warn $@ if $@;
3399	}	3794	}
3400	}	3795	}
3401		3796
		3797	sub pidfile() {
		3798	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3799	or die "$PIDFILE: $!";
		3800	flock $fh, &Fcntl::LOCK_EX
		3801	or die "$PIDFILE: flock: $!";
		3802	$fh
		3803	}
		3804
		3805	# make sure only one server instance is running at any one time
		3806	sub atomic {
		3807	my $fh = pidfile;
		3808
		3809	my $pid = <$fh>;
		3810	kill 9, $pid if $pid > 0;
		3811
		3812	seek $fh, 0, 0;
		3813	print $fh $$;
		3814	}
		3815
		3816	sub main_loop {
		3817	trace "EV::loop starting\n";
		3818	if (1) {
		3819	EV::loop;
		3820	}
		3821	trace "EV::loop returned\n";
		3822	goto &main_loop unless $REALLY_UNLOOP;
		3823	}
		3824
3402	sub main {	3825	sub main {
		3826	cf::init_globals; # initialise logging
		3827
		3828	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3829	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3830	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3831	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3832
		3833	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3834
3403	# we must not ever block the main coroutine	3835	# we must not ever block the main coroutine
3404	local $Coro::idle = sub {	3836	$Coro::idle = sub {
3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3837	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3406	(async {	3838	(async {
3407	$Coro::current->{desc} = "IDLE BUG HANDLER";	3839	$Coro::current->{desc} = "IDLE BUG HANDLER";
3408	EV::loop EV::LOOP_ONESHOT;	3840	EV::loop EV::LOOP_ONESHOT;
3409	})->prio (Coro::PRIO_MAX);	3841	})->prio (Coro::PRIO_MAX);
3410	};	3842	};
3411		3843
3412	{	3844	evthread_start IO::AIO::poll_fileno;
3413	my $guard = freeze_mainloop;	3845
		3846	cf::sync_job {
		3847	cf::incloader::init ();
		3848
		3849	db_init;
		3850
		3851	cf::init_anim;
		3852	cf::init_attackmess;
		3853	cf::init_dynamic;
		3854
		3855	cf::load_settings;
		3856
		3857	reload_resources;
3414	reload_config;	3858	reload_config;
3415	db_init;	3859
		3860	cf::init_uuid;
		3861	cf::init_signals;
		3862	cf::init_skills;
		3863
		3864	cf::init_beforeplay;
		3865
		3866	atomic;
		3867
3416	load_extensions;	3868	load_extensions;
3417		3869
3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3870	utime time, time, $RUNTIMEFILE;
3419	evthread_start IO::AIO::poll_fileno;	3871
		3872	# no (long-running) fork's whatsoever before this point(!)
		3873	use POSIX ();
		3874	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3875
		3876	cf::_post_init 0;
3420	}	3877	};
3421		3878
3422	EV::loop;	3879	cf::object::thawer::errors_are_fatal 0;
		3880	info "parse errors in files are no longer fatal from this point on.\n";
		3881
		3882	AE::postpone {
		3883	undef &main; # free gobs of memory :)
		3884	};
		3885
		3886	goto &main_loop;
3423	}	3887	}
3424		3888
3425	#############################################################################	3889	#############################################################################
3426	# initialisation and cleanup	3890	# initialisation and cleanup
3427		3891
3428	# install some emergency cleanup handlers	3892	# install some emergency cleanup handlers
3429	BEGIN {	3893	BEGIN {
3430	our %SIGWATCHER = ();	3894	our %SIGWATCHER = ();
3431	for my $signal (qw(INT HUP TERM)) {	3895	for my $signal (qw(INT HUP TERM)) {
3432	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3896	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3433	cf::cleanup "SIG$signal";	3897	cf::cleanup "SIG$signal";
3434	};	3898	};
3435	}	3899	}
3436	}	3900	}
3437		3901
3438	sub write_runtime_sync {	3902	sub write_runtime_sync {
3439	my $runtime = "$LOCALDIR/runtime";	3903	my $t0 = AE::time;
3440		3904
3441	# first touch the runtime file to show we are still running:	3905	# first touch the runtime file to show we are still running:
3442	# the fsync below can take a very very long time.	3906	# the fsync below can take a very very long time.
3443		3907
3444	IO::AIO::aio_utime $runtime, undef, undef;	3908	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3445		3909
3446	my $guard = cf::lock_acquire "write_runtime";	3910	my $guard = cf::lock_acquire "write_runtime";
3447		3911
3448	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3912	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3449	or return;	3913	or return;
3450		3914
3451	my $value = $cf::RUNTIME + 90 + 10;	3915	my $value = $cf::RUNTIME + 90 + 10;
3452	# 10 is the runtime save interval, for a monotonic clock	3916	# 10 is the runtime save interval, for a monotonic clock
3453	# 60 allows for the watchdog to kill the server.	3917	# 60 allows for the watchdog to kill the server.
…		…
3463	aio_utime $fh, undef, undef;	3927	aio_utime $fh, undef, undef;
3464		3928
3465	close $fh	3929	close $fh
3466	or return;	3930	or return;
3467		3931
3468	aio_rename "$runtime~", $runtime	3932	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3469	and return;	3933	and return;
3470		3934
3471	warn "runtime file written.\n";	3935	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3472		3936
3473	1	3937	1
3474	}	3938	}
3475		3939
3476	our $uuid_lock;	3940	our $uuid_lock;
…		…
3485	my $uuid = "$LOCALDIR/uuid";	3949	my $uuid = "$LOCALDIR/uuid";
3486		3950
3487	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3951	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3488	or return;	3952	or return;
3489		3953
3490	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3954	my $value = uuid_seq uuid_cur;
		3955
		3956	unless ($value) {
		3957	info "cowardly refusing to write zero uuid value!\n";
		3958	return;
		3959	}
		3960
		3961	my $value = uuid_str $value + $uuid_skip;
3491	$uuid_skip = 0;	3962	$uuid_skip = 0;
3492		3963
3493	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3964	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3494	and return;	3965	and return;
3495		3966
…		…
3501	or return;	3972	or return;
3502		3973
3503	aio_rename "$uuid~", $uuid	3974	aio_rename "$uuid~", $uuid
3504	and return;	3975	and return;
3505		3976
3506	warn "uuid file written ($value).\n";	3977	trace "uuid file written ($value).\n";
3507		3978
3508	1	3979	1
3509		3980
3510	}	3981	}
3511		3982
…		…
3517	}	3988	}
3518		3989
3519	sub emergency_save() {	3990	sub emergency_save() {
3520	my $freeze_guard = cf::freeze_mainloop;	3991	my $freeze_guard = cf::freeze_mainloop;
3521		3992
3522	warn "enter emergency perl save\n";	3993	info "emergency_perl_save: enter\n";
		3994
		3995	# this is a trade-off: we want to be very quick here, so
		3996	# save all maps without fsync, and later call a global sync
		3997	# (which in turn might be very very slow)
		3998	local $USE_FSYNC = 0;
3523		3999
3524	cf::sync_job {	4000	cf::sync_job {
		4001	cf::write_runtime_sync; # external watchdog should not bark
		4002
3525	# use a peculiar iteration method to avoid tripping on perl	4003	# use a peculiar iteration method to avoid tripping on perl
3526	# refcount bugs in for. also avoids problems with players	4004	# refcount bugs in for. also avoids problems with players
3527	# and maps saved/destroyed asynchronously.	4005	# and maps saved/destroyed asynchronously.
3528	warn "begin emergency player save\n";	4006	info "emergency_perl_save: begin player save\n";
3529	for my $login (keys %cf::PLAYER) {	4007	for my $login (keys %cf::PLAYER) {
3530	my $pl = $cf::PLAYER{$login} or next;	4008	my $pl = $cf::PLAYER{$login} or next;
3531	$pl->valid or next;	4009	$pl->valid or next;
3532	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	4010	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3533	$pl->save;	4011	$pl->save;
3534	}	4012	}
3535	warn "end emergency player save\n";	4013	info "emergency_perl_save: end player save\n";
3536		4014
3537	warn "begin emergency map save\n";	4015	cf::write_runtime_sync; # external watchdog should not bark
		4016
		4017	info "emergency_perl_save: begin map save\n";
3538	for my $path (keys %cf::MAP) {	4018	for my $path (keys %cf::MAP) {
3539	my $map = $cf::MAP{$path} or next;	4019	my $map = $cf::MAP{$path} or next;
3540	$map->valid or next;	4020	$map->valid or next;
3541	$map->save;	4021	$map->save;
3542	}	4022	}
3543	warn "end emergency map save\n";	4023	info "emergency_perl_save: end map save\n";
3544		4024
3545	warn "begin emergency database checkpoint\n";	4025	cf::write_runtime_sync; # external watchdog should not bark
		4026
		4027	info "emergency_perl_save: begin database checkpoint\n";
3546	BDB::db_env_txn_checkpoint $DB_ENV;	4028	BDB::db_env_txn_checkpoint $DB_ENV;
3547	warn "end emergency database checkpoint\n";	4029	info "emergency_perl_save: end database checkpoint\n";
3548		4030
3549	warn "begin write uuid\n";	4031	info "emergency_perl_save: begin write uuid\n";
3550	write_uuid_sync 1;	4032	write_uuid_sync 1;
3551	warn "end write uuid\n";	4033	info "emergency_perl_save: end write uuid\n";
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
		4036
		4037	trace "emergency_perl_save: syncing database to disk";
		4038	BDB::db_env_txn_checkpoint $DB_ENV;
		4039
		4040	info "emergency_perl_save: starting sync\n";
		4041	IO::AIO::aio_sync sub {
		4042	info "emergency_perl_save: finished sync\n";
		4043	};
		4044
		4045	cf::write_runtime_sync; # external watchdog should not bark
		4046
		4047	trace "emergency_perl_save: flushing outstanding aio requests";
		4048	while (IO::AIO::nreqs || BDB::nreqs) {
		4049	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4050	}
		4051
		4052	cf::write_runtime_sync; # external watchdog should not bark
3552	};	4053	};
3553		4054
3554	warn "leave emergency perl save\n";	4055	info "emergency_perl_save: leave\n";
3555	}	4056	}
3556		4057
3557	sub post_cleanup {	4058	sub post_cleanup {
3558	my ($make_core) = @_;	4059	my ($make_core) = @_;
3559		4060
		4061	IO::AIO::flush;
		4062
3560	warn Carp::longmess "post_cleanup backtrace"	4063	error Carp::longmess "post_cleanup backtrace"
3561	if $make_core;	4064	if $make_core;
		4065
		4066	my $fh = pidfile;
		4067	unlink $PIDFILE if <$fh> == $$;
		4068	}
		4069
		4070	# a safer delete_package, copied from Symbol
		4071	sub clear_package($) {
		4072	my $pkg = shift;
		4073
		4074	# expand to full symbol table name if needed
		4075	unless ($pkg =~ /^main::.*::$/) {
		4076	$pkg = "main$pkg" if $pkg =~ /^::/;
		4077	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4078	$pkg .= '::' unless $pkg =~ /::$/;
		4079	}
		4080
		4081	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4082	my $stem_symtab = *{$stem}{HASH};
		4083
		4084	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4085	or return;
		4086
		4087	# clear all symbols
		4088	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4089	for my $name (keys %$leaf_symtab) {
		4090	_gv_clear *{"$pkg$name"};
		4091	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4092	}
3562	}	4093	}
3563		4094
3564	sub do_reload_perl() {	4095	sub do_reload_perl() {
3565	# can/must only be called in main	4096	# can/must only be called in main
3566	if ($Coro::current != $Coro::main) {	4097	unless (in_main) {
3567	warn "can only reload from main coroutine";	4098	error "can only reload from main coroutine";
3568	return;	4099	return;
3569	}	4100	}
3570		4101
3571	warn "reloading...";	4102	return if $RELOAD++;
3572		4103
3573	warn "entering sync_job";	4104	my $t1 = AE::time;
3574		4105
		4106	while ($RELOAD) {
		4107	cf::get_slot 0.1, -1, "reload_perl";
		4108	info "perl_reload: reloading...";
		4109
		4110	trace "perl_reload: entering sync_job";
		4111
3575	cf::sync_job {	4112	cf::sync_job {
3576	cf::write_runtime_sync; # external watchdog should not bark
3577	cf::emergency_save;	4113	#cf::emergency_save;
3578	cf::write_runtime_sync; # external watchdog should not bark
3579		4114
3580	warn "syncing database to disk";
3581	BDB::db_env_txn_checkpoint $DB_ENV;
3582
3583	# if anything goes wrong in here, we should simply crash as we already saved
3584
3585	warn "flushing outstanding aio requests";
3586	for (;;) {
3587	BDB::flush;
3588	IO::AIO::flush;
3589	Coro::cede_notself;
3590	last unless IO::AIO::nreqs || BDB::nreqs;
3591	warn "iterate...";
3592	}
3593
3594	++$RELOAD;
3595
3596	warn "cancelling all extension coros";	4115	trace "perl_reload: cancelling all extension coros";
3597	$_->cancel for values %EXT_CORO;	4116	$_->cancel for values %EXT_CORO;
3598	%EXT_CORO = ();	4117	%EXT_CORO = ();
3599		4118
3600	warn "removing commands";	4119	trace "perl_reload: removing commands";
3601	%COMMAND = ();	4120	%COMMAND = ();
3602		4121
3603	warn "removing ext/exti commands";	4122	trace "perl_reload: removing ext/exti commands";
3604	%EXTCMD = ();	4123	%EXTCMD = ();
3605	%EXTICMD = ();	4124	%EXTICMD = ();
3606		4125
3607	warn "unloading/nuking all extensions";	4126	trace "perl_reload: unloading/nuking all extensions";
3608	for my $pkg (@EXTS) {	4127	for my $pkg (@EXTS) {
3609	warn "... unloading $pkg";	4128	trace "... unloading $pkg";
3610		4129
3611	if (my $cb = $pkg->can ("unload")) {	4130	if (my $cb = $pkg->can ("unload")) {
3612	eval {	4131	eval {
3613	$cb->($pkg);	4132	$cb->($pkg);
3614	1	4133	1
3615	} or warn "$pkg unloaded, but with errors: $@";	4134	} or error "$pkg unloaded, but with errors: $@";
		4135	}
		4136
		4137	trace "... clearing $pkg";
		4138	clear_package $pkg;
3616	}	4139	}
3617		4140
3618	warn "... nuking $pkg";
3619	Symbol::delete_package $pkg;
3620	}
3621
3622	warn "unloading all perl modules loaded from $LIBDIR";	4141	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3623	while (my ($k, $v) = each %INC) {	4142	while (my ($k, $v) = each %INC) {
3624	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4143	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3625		4144
3626	warn "... unloading $k";	4145	trace "... unloading $k";
3627	delete $INC{$k};	4146	delete $INC{$k};
3628		4147
3629	$k =~ s/\.pm$//;	4148	$k =~ s/\.pm$//;
3630	$k =~ s/\//::/g;	4149	$k =~ s/\//::/g;
3631		4150
3632	if (my $cb = $k->can ("unload_module")) {	4151	if (my $cb = $k->can ("unload_module")) {
3633	$cb->();	4152	$cb->();
		4153	}
		4154
		4155	clear_package $k;
3634	}	4156	}
3635		4157
3636	Symbol::delete_package $k;
3637	}
3638
3639	warn "getting rid of safe::, as good as possible";	4158	trace "perl_reload: getting rid of safe::, as good as possible";
3640	Symbol::delete_package "safe::$_"	4159	clear_package "safe::$_"
3641	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4160	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3642		4161
3643	warn "unloading cf.pm \"a bit\"";	4162	trace "perl_reload: unloading cf.pm \"a bit\"";
3644	delete $INC{"cf.pm"};	4163	delete $INC{"cf.pm"};
3645	delete $INC{"cf/pod.pm"};	4164	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3646		4165
3647	# don't, removes xs symbols, too,	4166	# don't, removes xs symbols, too,
3648	# and global variables created in xs	4167	# and global variables created in xs
3649	#Symbol::delete_package __PACKAGE__;	4168	#clear_package __PACKAGE__;
3650		4169
3651	warn "unload completed, starting to reload now";	4170	info "perl_reload: unload completed, starting to reload now";
3652		4171
3653	warn "reloading cf.pm";	4172	trace "perl_reload: reloading cf.pm";
3654	require cf;	4173	require cf;
3655	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4174	cf::_connect_to_perl_1;
3656		4175
3657	warn "loading config and database again";	4176	trace "perl_reload: loading config and database again";
3658	cf::reload_config;	4177	cf::reload_config;
3659		4178
3660	warn "loading extensions";	4179	trace "perl_reload: loading extensions";
3661	cf::load_extensions;	4180	cf::load_extensions;
3662		4181
		4182	if ($REATTACH_ON_RELOAD) {
3663	warn "reattaching attachments to objects/players";	4183	trace "perl_reload: reattaching attachments to objects/players";
3664	_global_reattach; # objects, sockets	4184	_global_reattach; # objects, sockets
3665	warn "reattaching attachments to maps";	4185	trace "perl_reload: reattaching attachments to maps";
3666	reattach $_ for values %MAP;	4186	reattach $_ for values %MAP;
3667	warn "reattaching attachments to players";	4187	trace "perl_reload: reattaching attachments to players";
3668	reattach $_ for values %PLAYER;	4188	reattach $_ for values %PLAYER;
		4189	}
3669		4190
3670	warn "leaving sync_job";	4191	cf::_post_init 1;
3671		4192
		4193	trace "perl_reload: leaving sync_job";
		4194
3672	1	4195	1
3673	} or do {	4196	} or do {
3674	warn $@;	4197	error $@;
3675	cf::cleanup "error while reloading, exiting.";	4198	cf::cleanup "perl_reload: error, exiting.";
		4199	};
		4200
		4201	--$RELOAD;
3676	};	4202	}
3677		4203
3678	warn "reloaded";	4204	$t1 = AE::time - $t1;
		4205	info "perl_reload: completed in ${t1}s\n";
3679	};	4206	};
3680		4207
3681	our $RELOAD_WATCHER; # used only during reload	4208	our $RELOAD_WATCHER; # used only during reload
3682		4209
3683	sub reload_perl() {	4210	sub reload_perl() {
3684	# doing reload synchronously and two reloads happen back-to-back,	4211	# doing reload synchronously and two reloads happen back-to-back,
3685	# coro crashes during coro_state_free->destroy here.	4212	# coro crashes during coro_state_free->destroy here.
3686		4213
		4214	$RELOAD_WATCHER ||= cf::async {
		4215	Coro::AIO::aio_wait cache_extensions;
		4216
3687	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4217	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3688	do_reload_perl;	4218	do_reload_perl;
3689	undef $RELOAD_WATCHER;	4219	undef $RELOAD_WATCHER;
		4220	};
3690	};	4221	};
3691	}	4222	}
3692		4223
3693	register_command "reload" => sub {	4224	register_command "reload" => sub {
3694	my ($who, $arg) = @_;	4225	my ($who, $arg) = @_;
…		…
3700	reload_perl;	4231	reload_perl;
3701	};	4232	};
3702	}	4233	}
3703	};	4234	};
3704		4235
3705	unshift @INC, $LIBDIR;	4236	#############################################################################
3706		4237
3707	my $bug_warning = 0;	4238	my $bug_warning = 0;
3708		4239
3709	our @WAIT_FOR_TICK;
3710	our @WAIT_FOR_TICK_BEGIN;
3711
3712	sub wait_for_tick {	4240	sub wait_for_tick() {
3713	return if tick_inhibit || $Coro::current == $Coro::main;	4241	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3714		4242
3715	my $signal = new Coro::Signal;	4243	$WAIT_FOR_TICK->wait;
3716	push @WAIT_FOR_TICK, $signal;
3717	$signal->wait;
3718	}	4244	}
3719		4245
3720	sub wait_for_tick_begin {	4246	sub wait_for_tick_begin() {
3721	return if tick_inhibit || $Coro::current == $Coro::main;	4247	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3722		4248
3723	my $signal = new Coro::Signal;	4249	my $signal = new Coro::Signal;
3724	push @WAIT_FOR_TICK_BEGIN, $signal;	4250	push @WAIT_FOR_TICK_BEGIN, $signal;
3725	$signal->wait;	4251	$signal->wait;
3726	}	4252	}
…		…
3730	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4256	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3731	unless ++$bug_warning > 10;	4257	unless ++$bug_warning > 10;
3732	return;	4258	return;
3733	}	4259	}
3734		4260
3735	cf::server_tick; # one server iteration	4261	cf::one_tick; # one server iteration
		4262
		4263	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3736		4264
3737	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4265	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3738	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4266	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3739	Coro::async_pool {	4267	Coro::async_pool {
3740	$Coro::current->{desc} = "runtime saver";	4268	$Coro::current->{desc} = "runtime saver";
3741	write_runtime_sync	4269	write_runtime_sync
3742	or warn "ERROR: unable to write runtime file: $!";	4270	or error "ERROR: unable to write runtime file: $!";
3743	};	4271	};
3744	}	4272	}
3745		4273
3746	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4274	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3747	$sig->send;	4275	$sig->send;
3748	}	4276	}
3749	while (my $sig = shift @WAIT_FOR_TICK) {	4277	$WAIT_FOR_TICK->broadcast;
3750	$sig->send;
3751	}
3752		4278
3753	$LOAD = ($NOW - $TICK_START) / $TICK;	4279	$LOAD = ($NOW - $TICK_START) / $TICK;
3754	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4280	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3755		4281
3756	if (0) {	4282	if (0) {
3757	if ($NEXT_TICK) {	4283	if ($NEXT_TICK) {
3758	my $jitter = $TICK_START - $NEXT_TICK;	4284	my $jitter = $TICK_START - $NEXT_TICK;
3759	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4285	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3760	warn "jitter $JITTER\n";#d#	4286	debug "jitter $JITTER\n";#d#
3761	}	4287	}
3762	}	4288	}
3763	}	4289	}
3764		4290
3765	{	4291	{
3766	# configure BDB	4292	# configure BDB
		4293	info "initialising database";
3767		4294
3768	BDB::min_parallel 8;	4295	BDB::min_parallel 16;
3769	BDB::max_poll_reqs $TICK * 0.1;	4296	BDB::max_poll_reqs $TICK * 0.1;
3770	$Coro::BDB::WATCHER->priority (1);	4297	#$AnyEvent::BDB::WATCHER->priority (1);
3771		4298
3772	unless ($DB_ENV) {	4299	unless ($DB_ENV) {
3773	$DB_ENV = BDB::db_env_create;	4300	$DB_ENV = BDB::db_env_create;
3774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC	4301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3775	| BDB::LOG_AUTOREMOVE, 1);	4302	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4303	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
3776	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);	4304	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3777	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);	4305	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3778		4306
3779	cf::sync_job {	4307	cf::sync_job {
3780	eval {	4308	eval {
…		…
3799	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4327	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3800	};	4328	};
3801	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4329	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3802	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4330	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3803	};	4331	};
		4332
		4333	info "database initialised";
3804	}	4334	}
3805		4335
3806	{	4336	{
3807	# configure IO::AIO	4337	# configure IO::AIO
3808		4338
		4339	info "initialising aio";
3809	IO::AIO::min_parallel 8;	4340	IO::AIO::min_parallel 8;
3810	IO::AIO::max_poll_time $TICK * 0.1;	4341	IO::AIO::max_poll_time $TICK * 0.1;
3811	$Coro::AIO::WATCHER->priority (1);	4342	undef $AnyEvent::AIO::WATCHER;
		4343	info "aio initialised";
3812	}	4344	}
3813		4345
3814	my $_log_backtrace;	4346	our $_log_backtrace;
		4347	our $_log_backtrace_last;
3815		4348
3816	sub _log_backtrace {	4349	sub _log_backtrace {
3817	my ($msg, @addr) = @_;	4350	my ($msg, @addr) = @_;
3818		4351
3819	$msg =~ s/\n//;	4352	$msg =~ s/\n$//;
3820		4353
		4354	if ($_log_backtrace_last eq $msg) {
		4355	LOG llevInfo, "[ABT] $msg\n";
		4356	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3821	# limit the # of concurrent backtraces	4357	# limit the # of concurrent backtraces
3822	if ($_log_backtrace < 2) {	4358	} elsif ($_log_backtrace < 2) {
		4359	$_log_backtrace_last = $msg;
3823	++$_log_backtrace;	4360	++$_log_backtrace;
		4361	my $perl_bt = Carp::longmess $msg;
3824	async {	4362	async {
3825	$Coro::current->{desc} = "abt $msg";	4363	$Coro::current->{desc} = "abt $msg";
3826		4364
3827	my @bt = fork_call {	4365	my @bt = fork_call {
3828	@addr = map { sprintf "%x", $_ } @addr;	4366	@addr = map { sprintf "%x", $_ } @addr;
…		…
3839	}	4377	}
3840		4378
3841	@funcs	4379	@funcs
3842	};	4380	};
3843		4381
3844	LOG llevInfo, "[ABT] $msg\n";	4382	LOG llevInfo, "[ABT] $perl_bt\n";
		4383	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3845	LOG llevInfo, "[ABT] $_\n" for @bt;	4384	LOG llevInfo, "[ABT] $_\n" for @bt;
3846	--$_log_backtrace;	4385	--$_log_backtrace;
3847	};	4386	};
3848	} else {	4387	} else {
3849	LOG llevInfo, "[ABT] $msg\n";	4388	LOG llevInfo, "[ABT] $msg\n";
3850	LOG llevInfo, "[ABT] [suppressed]\n";	4389	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3851	}	4390	}
3852	}	4391	}
3853		4392
3854	# load additional modules	4393	# load additional modules
3855	use cf::pod;	4394	require "cf/$_.pm" for @EXTRA_MODULES;
		4395	cf::_connect_to_perl_2;
3856		4396
3857	END { cf::emergency_save }	4397	END { cf::emergency_save }
3858		4398
3859	1	4399	1
3860		4400

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