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Revision 1.442 by root, Sun Aug 31 09:03:31 2008 UTC vs.
Revision 1.593 by root, Fri Nov 9 01:59:33 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 5.10.0;	25	use common::sense;
25	use utf8;
26	use strict "vars", "subs";
27		26
28	use Symbol;	27	use Symbol;
29	use List::Util;	28	use List::Util;
30	use Socket;	29	use Socket;
31	use EV;	30	use EV;
32	use Opcode;	31	use Opcode;
33	use Safe;	32	use Safe;
34	use Safe::Hole;	33	use Safe::Hole;
35	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
36		40
37	use Coro ();	41	use Coro ();
38	use Coro::State;	42	use Coro::State;
39	use Coro::Handle;	43	use Coro::Handle;
40	use Coro::EV;	44	use Coro::EV;
41	use Coro::AnyEvent;	45	use Coro::AnyEvent;
42	use Coro::Timer;	46	use Coro::Timer;
43	use Coro::Signal;	47	use Coro::Signal;
44	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
45	use Coro::AnyEvent;	50	use Coro::AnyEvent;
46	use Coro::AIO;	51	use Coro::AIO;
47	use Coro::BDB 1.6;	52	use Coro::BDB 1.6;
48	use Coro::Storable;	53	use Coro::Storable;
49	use Coro::Util ();	54	use Coro::Util ();
50		55
		56	use Guard ();
51	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
52	use BDB ();	58	use BDB ();
53	use Data::Dumper;	59	use Data::Dumper;
54	use Digest::MD5;
55	use Fcntl;	60	use Fcntl;
56	use YAML ();	61	use YAML::XS ();
57	use IO::AIO ();	62	use IO::AIO ();
58	use Time::HiRes;	63	use Time::HiRes;
59	use Compress::LZF;	64	use Compress::LZF;
60	use Digest::MD5 ();	65	use Digest::MD5 ();
61		66
…		…
63		68
64	# configure various modules to our taste	69	# configure various modules to our taste
65	#	70	#
66	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
68	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
69		79
70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
71		82
72	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
73		86
74	our %COMMAND = ();	87	our %COMMAND = ();
75	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
76		89
77	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
78	our %EXTCMD = ();	91	our %EXTCMD = ();
79	our %EXTICMD = ();	92	our %EXTICMD = ();
80	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
81	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
82		95
83	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
84	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
85		100
86	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
87	our $DATADIR = datadir;	103	our $DATADIR = datadir;
88	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
89	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
90	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
91	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
92	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
93	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
94	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
95	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
96	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
97	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;
98		124
99	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
100	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
101	our $NEXT_TICK;	127	our $NEXT_TICK;
102	our $USE_FSYNC = 1; # use fsync to write maps - default off	128	our $USE_FSYNC = 1; # use fsync to write maps - default on
103		129
104	our $BDB_DEADLOCK_WATCHER;	130	our $BDB_DEADLOCK_WATCHER;
105	our $BDB_CHECKPOINT_WATCHER;	131	our $BDB_CHECKPOINT_WATCHER;
106	our $BDB_TRICKLE_WATCHER;	132	our $BDB_TRICKLE_WATCHER;
107	our $DB_ENV;	133	our $DB_ENV;
108		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
109	our %CFG;	137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
110		139
111	our $UPTIME; $UPTIME ||= time;	140	our $UPTIME; $UPTIME ||= time;
112	our $RUNTIME;	141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
113	our $NOW;	143	our $NOW;
114		144
115	our (%PLAYER, %PLAYER_LOADING); # all users	145	our (%PLAYER, %PLAYER_LOADING); # all users
116	our (%MAP, %MAP_LOADING ); # all maps	146	our (%MAP, %MAP_LOADING ); # all maps
117	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
…		…
122	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)
123	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
124	our $JITTER; # average jitter	154	our $JITTER; # average jitter
125	our $TICK_START; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
126		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 $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
		164
127	binmode STDOUT;	165	binmode STDOUT;
128	binmode STDERR;	166	binmode STDERR;
129		167
130	# read virtual server time, if available	168	# read virtual server time, if available
131	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
132	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
133	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
134	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
135	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
136		176
137	mkdir $_	177	mkdir $_
138	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
139		179
140	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
141		181
142	sub cf::map::normalise;	182	sub cf::map::normalise;
143		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
144	#############################################################################	188	#############################################################################
145		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
146	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
147		202
148	=over 4	203	=over 4
149		204
150	=item $cf::UPTIME	205	=item $cf::UPTIME
151		206
152	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.
153		223
154	=item $cf::RUNTIME	224	=item $cf::RUNTIME
155		225
156	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
157	every server tick.	227	every server tick.
158		228
159	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
160	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
161	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
162		232
163	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
164	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
165	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
166	database environment.	236	database environment.
167		237
168	=item $cf::NOW
169
170	The time of the last (current) server tick.
171
172	=item $cf::TICK
173
174	The interval between server ticks, in seconds.
175
176	=item $cf::LOADAVG	238	=item $cf::LOADAVG
177		239
178	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
179	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
180	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
189	from wherever your confdir points to.	251	from wherever your confdir points to.
190		252
191	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
192		254
193	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
194	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
195	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
196		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$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
197	=item @cf::INVOKE_RESULTS	276	=item @cf::INVOKE_RESULTS
198		277
199	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
200	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
201	that call.	280	that call.
202		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
203	=back	288	=back
204		289
205	=cut	290	=cut
206		291
207	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
208	*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 {
209	my $msg = join "", @_;	299	my $msg = join "", @_;
210		300
211	$msg .= "\n"	301	$msg .= "\n"
212	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
213		303
214	$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;
215		305
216	LOG llevError, $msg;	306	LOG llevWarn, $msg;
217	};	307	};
218	}
219		308
220	$Coro::State::DIEHOOK = sub {	309	$Coro::State::DIEHOOK = sub {
221	return unless $^S eq 0; # "eq", not "=="	310	return unless $^S eq 0; # "eq", not "=="
222		311
223	if ($Coro::current == $Coro::main) {#d#	312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
224	warn "DIEHOOK called in main context, Coro bug?\n";#d#	315	error "DIEHOOK called in main context, Coro bug?\n";#d#
225	return;#d#	316	return;#d#
226	}#d#	317	}#d#
227		318
228	# kill coroutine otherwise	319	# kill coroutine otherwise
229	warn Carp::longmess $_[0];
230	Coro::terminate	320	Coro::terminate
231	};	321	};
232
233	$SIG{__DIE__} = sub { }; #d#?
234		322
235	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
236	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
237	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
238	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
252	)) {	340	)) {
253	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
254	}	342	}
255		343
256	$EV::DIED = sub {	344	$EV::DIED = sub {
257	warn "error in event callback: @_";	345	warn "error in event callback: $@";
258	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
259		352
260	#############################################################################	353	#############################################################################
261		354
262	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
263		356
…		…
284	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
285	$d	378	$d
286	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
287	}	380	}
288		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($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
289	=item $ref = cf::decode_json $json	434	=item $ref = cf::decode_json $json
290		435
291	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
292		437
293	=item $json = cf::encode_json $ref	438	=item $json = cf::encode_json $ref
…		…
299	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
300		445
301	sub encode_json($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
302	sub decode_json($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
303		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
304	=item cf::lock_wait $string	511	=item cf::lock_wait $string
305		512
306	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
307		514
308	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
309		516
310	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
311	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,
312	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
313	returned.	520	returned.
314		521
315	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
316	deadlocked coro.	523	deadlocked coro.
…		…
322		529
323	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.
324		531
325	=cut	532	=cut
326		533
327	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
328	our %LOCKER;#d#
329		535
330	sub lock_wait($) {	536	sub lock_wait($) {
331	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
332
333	if ($LOCKER{$key} == $Coro::current) {#d#
334	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
335	return;#d#
336	}#d#
337
338	# wait for lock, if any
339	while ($LOCK{$key}) {
340	push @{ $LOCK{$key} }, $Coro::current;
341	Coro::schedule;
342	}
343	}	538	}
344		539
345	sub lock_acquire($) {	540	sub lock_acquire($) {
346	my ($key) = @_;	541	$LOCKS->guard ($_[0])
347
348	# wait, to be sure we are not locked
349	lock_wait $key;
350
351	$LOCK{$key} = [];
352	$LOCKER{$key} = $Coro::current;#d#
353
354	Coro::guard {
355	delete $LOCKER{$key};#d#
356	# wake up all waiters, to be on the safe side
357	$_->ready for @{ delete $LOCK{$key} };
358	}
359	}	542	}
360		543
361	sub lock_active($) {	544	sub lock_active($) {
362	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
363
364	! ! $LOCK{$key}
365	}	546	}
366		547
367	sub freeze_mainloop {	548	sub freeze_mainloop {
368	tick_inhibit_inc;	549	tick_inhibit_inc;
369		550
370	Coro::guard \&tick_inhibit_dec;	551	&Guard::guard (\&tick_inhibit_dec);
371	}	552	}
372		553
373	=item cf::periodic $interval, $cb	554	=item cf::periodic $interval, $cb
374		555
375	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
376	get spread over timer.	557	get spread over time.
377		558
378	=cut	559	=cut
379		560
380	sub periodic($$) {	561	sub periodic($$) {
381	my ($interval, $cb) = @_;	562	my ($interval, $cb) = @_;
…		…
385	EV::periodic $start, $interval, 0, $cb	566	EV::periodic $start, $interval, 0, $cb
386	}	567	}
387		568
388	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
389		570
390	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	Allocate $time seconds of blocking CPU time at priority C<$priority>
391	This call blocks and returns only when you have at least C<$time> seconds	572	(default: 0): This call blocks and returns only when you have at least
392	of cpu time till the next tick. The slot is only valid till the next cede.	573	C<$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.
393		578
394	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
395	used for statistical purposes and should identify the same time-class.	580	used for statistical purposes and should identify the same time-class.
396		581
397	Useful for short background jobs.	582	Useful for short background jobs.
398		583
399	=cut	584	=cut
400		585
401	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
402	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
403		589
404	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
405	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
406	$Coro::current->desc ("timeslot manager");	592	$Coro::current->desc ("timeslot manager");
407		593
408	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
409		596
410	while () {	597	while () {
411	next_job:	598	next_job:
		599
412	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
413	if ($avail > 0.01) {	601
414	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
415	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
416	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
417	$job->[2]->send;	606	$job->[2]->send;
418	Coro::cede;	607	Coro::cede;
419	goto next_job;	608	goto next_job;
420	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
421	}	611	}
422	}	612	}
423		613
424	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
425	# 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
426	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
427	$signal->wait;
428	} else {	617	} else {
		618	$busy = 0;
429	Coro::schedule;	619	Coro::schedule;
430	}	620	}
431	}	621	}
432	};	622	};
433		623
434	sub get_slot($;$$) {	624	sub get_slot($;$$) {
435	return if tick_inhibit || $Coro::current == $Coro::main;	625	return if tick_inhibit || $Coro::current == $Coro::main;
436		626
437	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
438		628
439	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
440	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
441		632
442	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
443	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
444	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
470	=cut	661	=cut
471		662
472	sub sync_job(&) {	663	sub sync_job(&) {
473	my ($job) = @_;	664	my ($job) = @_;
474		665
475	if ($Coro::current == $Coro::main) {	666	if (in_main) {
476	my $time = EV::time;	667	my $time = AE::time;
477		668
478	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
479	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
480		671
481	LOG llevError, Carp::longmess "sync job";#d#	672	#LOG llevError, Carp::longmess "sync job";#d#
482		673
483	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
484		675
485	my $busy = 1;	676	my $busy = 1;
486	my @res;	677	my @res;
487		678
488	(async {	679	(async {
489	$Coro::current->desc ("sync job coro");	680	$Coro::current->desc ("sync job coro");
490	@res = eval { $job->() };	681	@res = eval { $job->() };
491	warn $@ if $@;	682	error $@ if $@;
492	undef $busy;	683	undef $busy;
493	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
494		685
495	while ($busy) {	686	while ($busy) {
496	if (Coro::nready) {	687	if (Coro::nready) {
…		…
498	} else {	689	} else {
499	EV::loop EV::LOOP_ONESHOT;	690	EV::loop EV::LOOP_ONESHOT;
500	}	691	}
501	}	692	}
502		693
503	my $time = EV::time - $time;	694	my $time = AE::time - $time;
504		695
505	$TICK_START += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
506		697
507	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
508	} else {	699	} else {
…		…
530	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
531		722
532	$coro	723	$coro
533	}	724	}
534		725
535	=item fork_call { }, $args	726	=item fork_call { }, @args
536		727
537	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
538	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
539	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
540	never block itself or use any form of event handling.	731	never block itself or use any form of event handling.
541		732
542	=cut	733	=cut
543		734
		735	sub post_fork {
		736	reset_signals;
		737	}
		738
544	sub fork_call(&@) {	739	sub fork_call(&@) {
545	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
546		741
547	# we seemingly have to make a local copy of the whole thing,	742	# we seemingly have to make a local copy of the whole thing,
548	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
549	# TODO: investigate and fix (likely this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
550		745
551	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
552	reset_signals;	747	cf::post_fork;
553	&$cb	748	&$cb
554	}, @args;	749	} @args;
555		750
556	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	)
557	}	763	}
558		764
559	=item $coin = coin_from_name $name	765	=item $coin = coin_from_name $name
560		766
561	=cut	767	=cut
…		…
598	within each server.	804	within each server.
599		805
600	=cut	806	=cut
601		807
602	sub db_table($) {	808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
603	my ($name) = @_;	812	my ($name) = @_;
604	my $db = BDB::db_create $DB_ENV;	813	my $db = BDB::db_create $DB_ENV;
605		814
606	eval {	815	eval {
607	$db->set_flags (BDB::CHKSUM);	816	$db->set_flags (BDB::CHKSUM);
…		…
617	}	826	}
618		827
619	our $DB;	828	our $DB;
620		829
621	sub db_init {	830	sub db_init {
622	cf::sync_job {
623	$DB ||= db_table "db";	831	$DB ||= db_table "db";
624	};
625	}	832	}
626		833
627	sub db_get($$) {	834	sub db_get($$) {
628	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
629		836
630	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
631	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
632		841
633	$! ? ()	842	$! ? ()
634	: $data	843	: $data
635	}
636	}	844	}
637		845
638	sub db_put($$$) {	846	sub db_put($$$) {
639	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
640	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
668		876
669	my @data;	877	my @data;
670	my $md5;	878	my $md5;
671		879
672	for (0 .. $#$src) {	880	for (0 .. $#$src) {
673	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
674	or Carp::croak "$src->[$_]: $!";
675	}	882	}
676		883
677	# if processing is expensive, check	884	# if processing is expensive, check
678	# checksum first	885	# checksum first
679	if (1) {	886	if (1) {
…		…
696		903
697	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
698	my $data = $process->(\@data);	905	my $data = $process->(\@data);
699	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
700		907
701	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
702		909
703	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
704	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
705	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
706		913
…		…
716		923
717	=cut	924	=cut
718		925
719	sub datalog($@) {	926	sub datalog($@) {
720	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
721	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
722	}	929	}
723		930
724	=back	931	=back
725		932
726	=cut	933	=cut
727		934
728	#############################################################################	935	#############################################################################
729		936
730	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
731		938
732	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
733	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")
734	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
735		942
736	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>
737	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
…		…
787	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
788		995
789	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
790	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
791		998
792	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
793	that are attached at load/instantiate time, thus the need for a name.	1000	that are attached at load/instantiate time, thus the need for a name.
794		1001
795	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
796		1003
797	=over 4	1004	=over 4
…		…
921		1128
922	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
923	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
924		1131
925	} elsif (ref $type) {	1132	} elsif (ref $type) {
926	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
927		1134
928	} else {	1135	} else {
929	shift @arg;	1136	shift @arg;
930	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
931	}	1138	}
932	}	1139	}
933	}	1140	}
934		1141
935	sub _object_attach {	1142	sub _object_attach {
…		…
945	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
946	}	1153	}
947		1154
948	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
949	} else {	1156	} else {
950	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
951	}	1158	}
952		1159
953	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
954	}	1161	}
955		1162
…		…
1014		1221
1015	for (@$callbacks) {	1222	for (@$callbacks) {
1016	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
1017		1224
1018	if ($@) {	1225	if ($@) {
1019	warn "$@";
1020	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1021	override;	1227	override;
1022	}	1228	}
1023		1229
1024	return 1 if $override;	1230	return 1 if $override;
1025	}	1231	}
…		…
1104	for (@$attach) {	1310	for (@$attach) {
1105	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
1106	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
1107	}	1313	}
1108	} else {	1314	} else {
1109	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
1110	}	1316	}
1111	}	1317	}
1112	}	1318	}
1113		1319
1114	cf::attachable->attach (	1320	cf::attachable->attach (
…		…
1141	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1142		1348
1143	sync_job {	1349	sync_job {
1144	if (length $$rdata) {	1350	if (length $$rdata) {
1145	utf8::decode (my $decname = $filename);	1351	utf8::decode (my $decname = $filename);
1146	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1147	$decname, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1148		1355
1149	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1150	aio_chmod $fh, SAVE_MODE;	1357	aio_chmod $fh, SAVE_MODE;
1151	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1152	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	}
1153	aio_close $fh;	1363	aio_close $fh;
1154		1364
1155	if (@$objs) {	1365	if (@$objs) {
1156	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) {
1157	aio_chmod $fh, SAVE_MODE;	1367	aio_chmod $fh, SAVE_MODE;
1158	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1159	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1160	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	}
1161	aio_close $fh;	1374	aio_close $fh;
1162	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1163	}	1376	}
1164	} else {	1377	} else {
1165	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1166	}	1379	}
1167		1380
1168	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1169	} else {	1385	} else {
1170	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1171	}	1387	}
1172	} else {	1388	} else {
1173	aio_unlink $filename;	1389	aio_unlink $filename;
1174	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1175	}	1391	}
…		…
1199	my $st = eval { Coro::Storable::thaw $av };	1415	my $st = eval { Coro::Storable::thaw $av };
1200	$av = $st->{objs};	1416	$av = $st->{objs};
1201	}	1417	}
1202		1418
1203	utf8::decode (my $decname = $filename);	1419	utf8::decode (my $decname = $filename);
1204	warn sprintf "loading %s (%d,%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1205	$decname, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
1206		1423
1207	($data, $av)	1424	($data, $av)
1208	}	1425	}
1209		1426
1210	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
…		…
1214	=cut	1431	=cut
1215		1432
1216	#############################################################################	1433	#############################################################################
1217	# command handling &c	1434	# command handling &c
1218		1435
1219	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args)
1220		1437
1221	Register a callback for execution when the client sends the user command	1438	Register a callback for execution when the client sends the user command
1222	$name.	1439	$name.
1223		1440
1224	=cut	1441	=cut
…		…
1230	#warn "registering command '$name/$time' to '$caller'";	1447	#warn "registering command '$name/$time' to '$caller'";
1231		1448
1232	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
1233	}	1450	}
1234		1451
1235	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet)
1236		1453
1237	Register a callback for execution when the client sends an (synchronous)	1454	Register a callback for execution when the client sends an (synchronous)
1238	extcmd packet. Ext commands will be processed in the order they are	1455	extcmd packet. Ext commands will be processed in the order they are
1239	received by the server, like other user commands. The first argument is	1456	received by the server, like other user commands. The first argument is
1240	the logged-in player. Ext commands can only be processed after a player	1457	the logged-in player. Ext commands can only be processed after a player
1241	has logged in successfully.	1458	has logged in successfully.
1242		1459
1243	If the callback returns something, it is sent back as if reply was being	1460	If the callback returns something, it is sent back as if reply was being
1244	called.	1461	called.
1245		1462
1246	=item cf::register_exticmd $name => \&callback($ns,$packet);	1463	=item cf::register_exticmd $name => \&callback($ns,$packet)
1247		1464
1248	Register a callback for execution when the client sends an (asynchronous)	1465	Register a callback for execution when the client sends an (asynchronous)
1249	exticmd packet. Exti commands are processed by the server as soon as they	1466	exticmd packet. Exti commands are processed by the server as soon as they
1250	are received, i.e. out of order w.r.t. other commands. The first argument	1467	are received, i.e. out of order w.r.t. other commands. The first argument
1251	is a client socket. Exti commands can be received anytime, even before	1468	is a client socket. Exti commands can be received anytime, even before
…		…
1266	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1267		1484
1268	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1269	}	1486	}
1270		1487
		1488	use File::Glob ();
		1489
1271	cf::player->attach (	1490	cf::player->attach (
1272	on_command => sub {	1491	on_unknown_command => sub {
1273	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1274		1493
1275	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1276	or return;	1495	or return;
1277		1496
…		…
1285	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1286		1505
1287	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1288		1507
1289	if (ref $msg) {	1508	if (ref $msg) {
1290	my ($type, $reply, @payload) =	1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1291	"ARRAY" eq ref $msg
1292	? @$msg
1293	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1294		1510
1295	my @reply;	1511	my @reply;
1296		1512
1297	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1298	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
1299	}	1515	}
1300		1516
1301	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_msg ("reply-$reply", @reply)
1302	if $reply;	1518	if $reply;
1303		1519
1304	} else {	1520	} else {
1305	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1306	}	1522	}
1307		1523
1308	cf::override;	1524	cf::override;
1309	},	1525	},
1310	);	1526	);
1311		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
1312	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1313	cf::sync_job {	1557	cf::sync_job {
1314	my %todo;	1558	my %todo;
1315		1559
1316	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1317	next unless -r $path;	1561	next unless -r $path;
…		…
1335		1579
1336	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1337	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1338		1582
1339	$ext{source} =	1583	$ext{source} =
1340	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1341	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1342	. $source	1586	. $source
1343	. "\n};\n1";	1587	. "\n};\n1";
1344		1588
1345	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1346	}	1590	}
1347		1591
		1592	my $pass = 0;
1348	my %done;	1593	my %done;
1349	while (%todo) {	1594	while (%todo) {
1350	my $progress;	1595	my $progress;
1351		1596
		1597	++$pass;
		1598
		1599	ext:
1352	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1353	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1354	goto skip	1602	next ext
1355	unless exists $done{$_};	1603	unless exists $done{$_};
1356	}	1604	}
1357		1605
1358	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1359		1607
1360	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 $@) {
1361	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1362	: "$v->{base}: extension inactive.\n";
1363		1621
1364	if (exists $v->{meta}{mandatory}) {
1365	warn $msg;
1366	cf::cleanup "mandatory extension failed to load, exiting.";	1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1367	}	1623	if exists $v->{meta}{mandatory};
1368		1624
1369	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;
1370	}	1634	}
1371
1372	$done{$k} = delete $todo{$k};
1373	push @EXTS, $v->{pkg};
1374	$progress = 1;
1375	}	1635	}
1376		1636
1377	skip:	1637	unless ($progress) {
1378	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1379	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1380	}	1647	}
1381	};	1648	};
1382	}	1649	}
1383		1650
1384	#############################################################################	1651	#############################################################################
1385		1652
1386	=back	1653	=back
1387		1654
1388	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1389		1656
1390	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1391		1658
1392	=cut	1659	=cut
1393		1660
1394	package cf::player;	1661	package cf::player;
1395		1662
…		…
1438		1705
1439	sub exists($) {	1706	sub exists($) {
1440	my ($login) = @_;	1707	my ($login) = @_;
1441		1708
1442	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1443	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1444	}	1711	}
1445		1712
1446	sub find($) {	1713	sub find($) {
1447	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1448	my $login = $_[0];	1715	my $login = $_[0];
…		…
1468	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1469	}	1736	}
1470	}	1737	}
1471	}	1738	}
1472		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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
1473	sub save($) {	1753	sub save($) {
1474	my ($pl) = @_;	1754	my ($pl) = @_;
1475		1755
1476	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
1477		1757
…		…
1482		1762
1483	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1484	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1485		1765
1486	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];
1487		1770
1488	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1489	cf::cede_to_tick;	1772	cf::cede_to_tick;
1490	}	1773	}
1491		1774
…		…
1523	my ($pl) = @_;	1806	my ($pl) = @_;
1524		1807
1525	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1526		1809
1527	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1528	$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
1529		1812
1530	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1531	$pl->deactivate;	1814	$pl->deactivate;
		1815
1532	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;	1816	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1533	$pl->ob->check_score;
1534	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1535	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1536		1821
1537	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1538	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1539	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1593	\@logins	1878	\@logins
1594	}	1879	}
1595		1880
1596	=item $player->maps	1881	=item $player->maps
1597		1882
		1883	=item cf::player::maps $login
		1884
1598	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1599	player. May block.	1886	player. May block.
1600		1887
1601	=cut	1888	=cut
1602		1889
…		…
1619	}	1906	}
1620		1907
1621	\@paths	1908	\@paths
1622	}	1909	}
1623		1910
1624	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1625		1912
1626	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1627
1628	=cut
1629
1630	sub expand_cfpod {
1631	my ($self, $pod) = @_;
1632
1633	my @nest = [qr<\G$>, undef, ""];
1634	my $xml;
1635
1636	for ($pod) {
1637	while () {
1638	if (/\G( (?: [^BCEGHITUZ&>\n\ ]+ | [BCEGHITUZ](?!<) | \ (?!>) )+ )/xgcs) {
1639	$xml .= $1;
1640	} elsif (/\G\n(?=\S)/xgcs) {
1641	$xml .= " ";
1642	} elsif (/\G\n/xgcs) {
1643	$xml .= "\n";
1644	} elsif (/\G ([BCEGHITUZ]) (< (?: <+\ | (?!<) ) )/xgcs) {
1645	my ($code, $delim) = ($1, scalar reverse $2);
1646	$delim =~ y/</>/; # delim now contains the stop sequence
1647	$delim = qr{\G\Q$delim};
1648
1649	my $cb;
1650
1651	if ($code eq "B") {
1652	$cb = sub { "<b>$_[0]</b>" };
1653	} elsif ($code eq "C") {
1654	$cb = sub { "<tt>$_[0]</tt>" };
1655	} elsif ($code eq "E") {
1656	$cb = sub { warn "E<$_[0]>\n";"&$_[0];" };
1657	} elsif ($code eq "G") {
1658	$cb = sub {
1659	my ($male, $female) = split /\|/, $_[0];
1660	$self->gender ? $female : $male
1661	};
1662	} elsif ($code eq "H") {
1663	$cb = sub {
1664	(
1665	"<fg name=\"lightblue\">[$_[0] (Use hintmode to suppress hints)]</fg>",
1666	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1667	"",
1668	)[$self->{hintmode}];
1669	};
1670	} elsif ($code eq "I") {
1671	$cb = sub { "<i>$_[0]</i>" };
1672	} elsif ($code eq "T") {
1673	$cb = sub { "<big><b>$_[0]</b></big>" };
1674	} elsif ($code eq "U") {
1675	$cb = sub { "<u>$_[0]</u>" };
1676	} elsif ($code eq "Z") {
1677	$cb = sub { };
1678	} else {
1679	die "FATAL error in expand_cfpod";
1680	}
1681
1682	push @nest, [$delim, $cb, $xml];
1683	undef $xml;
1684
1685	} elsif ($_ =~ /$nest[-1][0]/gcs) {
1686	my $nest = pop @nest;
1687
1688	if ($nest->[1]) {
1689	$xml = $nest->[2] . $nest->[1]->($xml);
1690	} else {
1691	last;
1692	}
1693	} elsif (/\G</xgcs) {
1694	$xml .= "&lt;";
1695	} elsif (/\G&/xgcs) {
1696	$xml .= "&amp;";
1697	} elsif (/\G>/xgcs) {
1698	$xml .= ">";
1699	} else {
1700	if ($pod =~ /\G(.+)/xgcs) {
1701	warn "parse error (at $1)($nest[-1][0]) while expanding cfpod:\n$pod";
1702	last;
1703	} else {
1704	warn "parse error (unclosed interior sequence at end of cfpod) while expanding cfpod:\n$pod";
1705	return "<b>Sorry, the server encountered an internal error when formatting this message, please report this.</b>";
1706	}
1707	}
1708	}
1709	}
1710
1711	$xml
1712	}
1713
1714	sub hintmode {
1715	$_[0]{hintmode} = $_[1] if @_ > 1;
1716	$_[0]{hintmode}
1717	}
1718
1719	=item $player->ext_reply ($msgid, @msg)
1720
1721	Sends an ext reply to the player.
1722
1723	=cut
1724
1725	sub ext_reply($$@) {
1726	my ($self, $id, @msg) = @_;
1727
1728	$self->ns->ext_reply ($id, @msg)
1729	}
1730		1914
1731	=item $player->ext_msg ($type, @msg)	1915	=item $player->ext_msg ($type, @msg)
1732		1916
1733	Sends an ext event to the client.	1917	Sends an ext event to the client.
1734		1918
…		…
1754		1938
1755	=cut	1939	=cut
1756		1940
1757	sub find_by_path($) {	1941	sub find_by_path($) {
1758	my ($path) = @_;	1942	my ($path) = @_;
		1943
		1944	$path =~ s/^~[^\/]*//; # skip ~login
1759		1945
1760	my ($match, $specificity);	1946	my ($match, $specificity);
1761		1947
1762	for my $region (list) {	1948	for my $region (list) {
1763	if ($region->{match} && $path =~ $region->{match}) {	1949	if ($region->{match} && $path =~ $region->{match}) {
…		…
1792	sub generate_random_map {	1978	sub generate_random_map {
1793	my ($self, $rmp) = @_;	1979	my ($self, $rmp) = @_;
1794		1980
1795	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM	1981	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1796		1982
1797	# mit "rum" bekleckern, nicht
1798	$self->_create_random_map (	1983	$self->_create_random_map ($rmp);
1799	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1800	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1801	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1802	$rmp->{exit_on_final_map},
1803	$rmp->{xsize}, $rmp->{ysize},
1804	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1805	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1806	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1807	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1808	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1809	(cf::region::find $rmp->{region}), $rmp->{custom}
1810	)
1811	}	1984	}
1812		1985
1813	=item cf::map->register ($regex, $prio)	1986	=item cf::map->register ($regex, $prio)
1814		1987
1815	Register a handler for the map path matching the given regex at the	1988	Register a handler for the map path matching the given regex at the
…		…
1820		1993
1821	sub register {	1994	sub register {
1822	my (undef, $regex, $prio) = @_;	1995	my (undef, $regex, $prio) = @_;
1823	my $pkg = caller;	1996	my $pkg = caller;
1824		1997
1825	no strict;
1826	push @{"$pkg\::ISA"}, __PACKAGE__;	1998	push @{"$pkg\::ISA"}, __PACKAGE__;
1827		1999
1828	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2000	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1829	}	2001	}
1830		2002
1831	# also paths starting with '/'	2003	# also paths starting with '/'
1832	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2004	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1833		2005
1834	sub thawer_merge {	2006	sub thawer_merge {
1835	my ($self, $merge) = @_;	2007	my ($self, $merge) = @_;
1836		2008
1837	# we have to keep some variables in memory intact	2009	# we have to keep some variables in memory intact
…		…
1842	}	2014	}
1843		2015
1844	sub normalise {	2016	sub normalise {
1845	my ($path, $base) = @_;	2017	my ($path, $base) = @_;
1846		2018
1847	$path = "$path"; # make sure its a string	2019	$path = "$path"; # make sure it's a string
1848		2020
1849	$path =~ s/\.map$//;	2021	$path =~ s/\.map$//;
1850		2022
1851	# map plan:	2023	# map plan:
1852	#	2024	#
…		…
1867	$base =~ s{[^/]+/?$}{};	2039	$base =~ s{[^/]+/?$}{};
1868	$path = "$base/$path";	2040	$path = "$base/$path";
1869	}	2041	}
1870		2042
1871	for ($path) {	2043	for ($path) {
1872	redo if s{//}{/};
1873	redo if s{/\.?/}{/};	2044	redo if s{/\.?/}{/};
1874	redo if s{/[^/]+/\.\./}{/};	2045	redo if s{/[^/]+/\.\./}{/};
1875	}	2046	}
1876		2047
1877	$path	2048	$path
…		…
1891	$self->init; # pass $1 etc.	2062	$self->init; # pass $1 etc.
1892	return $self;	2063	return $self;
1893	}	2064	}
1894	}	2065	}
1895		2066
1896	Carp::cluck "unable to resolve path '$path' (base '$base').";	2067	Carp::cluck "unable to resolve path '$path' (base '$base')";
1897	()	2068	()
1898	}	2069	}
1899		2070
		2071	# may re-bless or do other evil things
1900	sub init {	2072	sub init {
1901	my ($self) = @_;	2073	my ($self) = @_;
1902		2074
1903	$self	2075	$self
1904	}	2076	}
…		…
1935		2107
1936	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1937	"$UNIQUEDIR/$path"	2109	"$UNIQUEDIR/$path"
1938	}	2110	}
1939		2111
1940	# and all this just because we cannot iterate over
1941	# all maps in C++...
1942	sub change_all_map_light {
1943	my ($change) = @_;
1944
1945	$_->change_map_light ($change)
1946	for grep $_->outdoor, values %cf::MAP;
1947	}
1948
1949	sub decay_objects {	2112	sub decay_objects {
1950	my ($self) = @_;	2113	my ($self) = @_;
1951		2114
1952	return if $self->{deny_reset};	2115	return if $self->{deny_reset};
1953		2116
…		…
1978	$self->{load_path} = $path;	2141	$self->{load_path} = $path;
1979		2142
1980	1	2143	1
1981	}	2144	}
1982		2145
		2146	# used to laod the header of an original map
1983	sub load_header_orig {	2147	sub load_header_orig {
1984	my ($self) = @_;	2148	my ($self) = @_;
1985		2149
1986	$self->load_header_from ($self->load_path)	2150	$self->load_header_from ($self->load_path)
1987	}	2151	}
1988		2152
		2153	# used to laod the header of an instantiated map
1989	sub load_header_temp {	2154	sub load_header_temp {
1990	my ($self) = @_;	2155	my ($self) = @_;
1991		2156
1992	$self->load_header_from ($self->save_path)	2157	$self->load_header_from ($self->save_path)
1993	}	2158	}
1994		2159
		2160	# called after loading the header from an instantiated map
1995	sub prepare_temp {	2161	sub prepare_temp {
1996	my ($self) = @_;	2162	my ($self) = @_;
1997		2163
1998	$self->last_access ((delete $self->{last_access})	2164	$self->last_access ((delete $self->{last_access})
1999	|| $cf::RUNTIME); #d#	2165	|| $cf::RUNTIME); #d#
2000	# safety	2166	# safety
2001	$self->{instantiate_time} = $cf::RUNTIME	2167	$self->{instantiate_time} = $cf::RUNTIME
2002	if $self->{instantiate_time} > $cf::RUNTIME;	2168	if $self->{instantiate_time} > $cf::RUNTIME;
2003	}	2169	}
2004		2170
		2171	# called after loading the header from an original map
2005	sub prepare_orig {	2172	sub prepare_orig {
2006	my ($self) = @_;	2173	my ($self) = @_;
2007		2174
2008	$self->{load_original} = 1;	2175	$self->{load_original} = 1;
2009	$self->{instantiate_time} = $cf::RUNTIME;	2176	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2033		2200
2034	sub find;	2201	sub find;
2035	sub find {	2202	sub find {
2036	my ($path, $origin) = @_;	2203	my ($path, $origin) = @_;
2037		2204
		2205	cf::cede_to_tick;
		2206
2038	$path = normalise $path, $origin && $origin->path;	2207	$path = normalise $path, $origin;
2039		2208
2040	cf::lock_wait "map_data:$path";#d#remove	2209	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2041	cf::lock_wait "map_find:$path";	2210	my $guard2 = cf::lock_acquire "map_find:$path";
2042		2211
2043	$cf::MAP{$path} || do {	2212	$cf::MAP{$path} || do {
2044	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2045	my $guard2 = cf::lock_acquire "map_find:$path";
2046
2047	my $map = new_from_path cf::map $path	2213	my $map = new_from_path cf::map $path
2048	or return;	2214	or return;
2049		2215
2050	$map->{last_save} = $cf::RUNTIME;	2216	$map->{last_save} = $cf::RUNTIME;
2051		2217
…		…
2063		2229
2064	$cf::MAP{$path} = $map	2230	$cf::MAP{$path} = $map
2065	}	2231	}
2066	}	2232	}
2067		2233
2068	sub pre_load { }	2234	sub pre_load { }
2069	sub post_load { }	2235	#sub post_load { } # XS
2070		2236
2071	sub load {	2237	sub load {
2072	my ($self) = @_;	2238	my ($self) = @_;
2073		2239
2074	local $self->{deny_reset} = 1; # loading can take a long time	2240	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2077		2243
2078	{	2244	{
2079	my $guard = cf::lock_acquire "map_data:$path";	2245	my $guard = cf::lock_acquire "map_data:$path";
2080		2246
2081	return unless $self->valid;	2247	return unless $self->valid;
2082	return unless $self->in_memory == cf::MAP_SWAPPED;	2248	return unless $self->state == cf::MAP_SWAPPED;
2083
2084	$self->in_memory (cf::MAP_LOADING);
2085		2249
2086	$self->alloc;	2250	$self->alloc;
2087		2251
2088	$self->pre_load;	2252	$self->pre_load;
2089	cf::cede_to_tick;	2253	cf::cede_to_tick;
2090		2254
		2255	if (exists $self->{load_path}) {
2091	my $f = new_from_file cf::object::thawer $self->{load_path};	2256	my $f = new_from_file cf::object::thawer $self->{load_path};
2092	$f->skip_block;	2257	$f->skip_block;
2093	$self->_load_objects ($f)	2258	$self->_load_objects ($f)
2094	or return;	2259	or return;
2095		2260
2096	$self->post_load_original	2261	$self->post_load_original
2097	if delete $self->{load_original};	2262	if delete $self->{load_original};
2098		2263
2099	if (my $uniq = $self->uniq_path) {	2264	if (my $uniq = $self->uniq_path) {
2100	utf8::encode $uniq;	2265	utf8::encode $uniq;
2101	unless (aio_stat $uniq) {	2266	unless (aio_stat $uniq) {
2102	if (my $f = new_from_file cf::object::thawer $uniq) {	2267	if (my $f = new_from_file cf::object::thawer $uniq) {
2103	$self->clear_unique_items;	2268	$self->clear_unique_items;
2104	$self->_load_objects ($f);	2269	$self->_load_objects ($f);
2105	$f->resolve_delayed_derefs;	2270	$f->resolve_delayed_derefs;
		2271	}
2106	}	2272	}
2107	}	2273	}
2108	}
2109		2274
2110	$f->resolve_delayed_derefs;	2275	$f->resolve_delayed_derefs;
		2276	} else {
		2277	$self->post_load_original
		2278	if delete $self->{load_original};
		2279	}
		2280
		2281	$self->state (cf::MAP_INACTIVE);
2111		2282
2112	cf::cede_to_tick;	2283	cf::cede_to_tick;
2113	# now do the right thing for maps	2284	# now do the right thing for maps
2114	$self->link_multipart_objects;	2285	$self->link_multipart_objects;
2115	$self->difficulty ($self->estimate_difficulty)	2286	$self->difficulty ($self->estimate_difficulty)
…		…
2119	unless ($self->{deny_activate}) {	2290	unless ($self->{deny_activate}) {
2120	$self->decay_objects;	2291	$self->decay_objects;
2121	$self->fix_auto_apply;	2292	$self->fix_auto_apply;
2122	$self->update_buttons;	2293	$self->update_buttons;
2123	cf::cede_to_tick;	2294	cf::cede_to_tick;
2124	$self->set_darkness_map;	2295	#$self->activate; # no longer activate maps automatically
2125	cf::cede_to_tick;
2126	$self->activate;
2127	}	2296	}
2128		2297
2129	$self->{last_save} = $cf::RUNTIME;	2298	$self->{last_save} = $cf::RUNTIME;
2130	$self->last_access ($cf::RUNTIME);	2299	$self->last_access ($cf::RUNTIME);
2131
2132	$self->in_memory (cf::MAP_ACTIVE);
2133	}	2300	}
2134		2301
2135	$self->post_load;	2302	$self->post_load;
2136	}
2137		2303
		2304	1
		2305	}
		2306
		2307	# customize the map for a given player, i.e.
		2308	# return the _real_ map. used by e.g. per-player
		2309	# maps to change the path to ~playername/mappath
2138	sub customise_for {	2310	sub customise_for {
2139	my ($self, $ob) = @_;	2311	my ($self, $ob) = @_;
2140		2312
2141	return find "~" . $ob->name . "/" . $self->{path}	2313	return find "~" . $ob->name . "/" . $self->{path}
2142	if $self->per_player;	2314	if $self->per_player;
…		…
2145	# if $self->per_party;	2317	# if $self->per_party;
2146		2318
2147	$self	2319	$self
2148	}	2320	}
2149		2321
2150	# find and load all maps in the 3x3 area around a map
2151	sub load_neighbours {
2152	my ($map) = @_;
2153
2154	my @neigh; # diagonal neighbours
2155
2156	for (0 .. 3) {
2157	my $neigh = $map->tile_path ($_)
2158	or next;
2159	$neigh = find $neigh, $map
2160	or next;
2161	$neigh->load;
2162
2163	push @neigh,
2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2166	}
2167
2168	for (grep defined $_->[0], @neigh) {
2169	my ($path, $origin) = @$_;
2170	my $neigh = find $path, $origin
2171	or next;
2172	$neigh->load;
2173	}
2174	}
2175
2176	sub find_sync {	2322	sub find_sync {
2177	my ($path, $origin) = @_;	2323	my ($path, $origin) = @_;
2178		2324
2179	cf::sync_job { find $path, $origin }	2325	# it's a bug to call this from the main context
		2326	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2327	if $Coro::current == $Coro::main;
		2328
		2329	find $path, $origin
2180	}	2330	}
2181		2331
2182	sub do_load_sync {	2332	sub do_load_sync {
2183	my ($map) = @_;	2333	my ($map) = @_;
2184		2334
		2335	# it's a bug to call this from the main context
2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2336	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2186	if $Coro::current == $Coro::main;	2337	if $Coro::current == $Coro::main;
2187		2338
2188	cf::sync_job { $map->load };	2339	$map->load;
2189	}	2340	}
2190		2341
2191	our %MAP_PREFETCH;	2342	our %MAP_PREFETCH;
2192	our $MAP_PREFETCHER = undef;	2343	our $MAP_PREFETCHER = undef;
2193		2344
2194	sub find_async {	2345	sub find_async {
2195	my ($path, $origin, $load) = @_;	2346	my ($path, $origin, $load) = @_;
2196		2347
2197	$path = normalise $path, $origin && $origin->{path};	2348	$path = normalise $path, $origin;
2198		2349
2199	if (my $map = $cf::MAP{$path}) {	2350	if (my $map = $cf::MAP{$path}) {
2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2351	return $map if !$load || $map->linkable;
2201	}	2352	}
2202		2353
2203	$MAP_PREFETCH{$path} |= $load;	2354	$MAP_PREFETCH{$path} |= $load;
2204		2355
2205	$MAP_PREFETCHER ||= cf::async {	2356	$MAP_PREFETCHER ||= cf::async {
…		…
2219	$MAP_PREFETCHER->prio (6);	2370	$MAP_PREFETCHER->prio (6);
2220		2371
2221	()	2372	()
2222	}	2373	}
2223		2374
		2375	# common code, used by both ->save and ->swapout
2224	sub save {	2376	sub _save {
2225	my ($self) = @_;	2377	my ($self) = @_;
2226
2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
2228		2378
2229	$self->{last_save} = $cf::RUNTIME;	2379	$self->{last_save} = $cf::RUNTIME;
2230		2380
2231	return unless $self->dirty;	2381	return unless $self->dirty;
2232		2382
…		…
2252	} else {	2402	} else {
2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2403	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2254	}	2404	}
2255	}	2405	}
2256		2406
		2407	sub save {
		2408	my ($self) = @_;
		2409
		2410	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2411
		2412	$self->_save;
		2413	}
		2414
2257	sub swap_out {	2415	sub swap_out {
2258	my ($self) = @_;	2416	my ($self) = @_;
2259		2417
2260	# save first because save cedes
2261	$self->save;
2262
2263	my $lock = cf::lock_acquire "map_data:$self->{path}";	2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
2264		2419
		2420	return if !$self->linkable;
		2421	return if $self->{deny_save};
2265	return if $self->players;	2422	return if $self->players;
2266	return if $self->in_memory != cf::MAP_ACTIVE;	2423
		2424	# first deactivate the map and "unlink" it from the core
		2425	$self->deactivate;
		2426	$_->clear_links_to ($self) for values %cf::MAP;
		2427	$self->state (cf::MAP_SWAPPED);
		2428
		2429	# then atomically save
		2430	$self->_save;
		2431
		2432	# then free the map
		2433	$self->clear;
		2434	}
		2435
		2436	sub reset_at {
		2437	my ($self) = @_;
		2438
		2439	# TODO: safety, remove and allow resettable per-player maps
2267	return if $self->{deny_save};	2440	return 1e99 if $self->{deny_reset};
2268		2441
		2442	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2443	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2444
		2445	$time + $to
		2446	}
		2447
		2448	sub should_reset {
		2449	my ($self) = @_;
		2450
		2451	$self->reset_at <= $cf::RUNTIME
		2452	}
		2453
		2454	sub reset {
		2455	my ($self) = @_;
		2456
		2457	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2458
		2459	return if $self->players;
		2460
		2461	cf::trace "resetting map ", $self->path, "\n";
		2462
2269	$self->in_memory (cf::MAP_SWAPPED);	2463	$self->state (cf::MAP_SWAPPED);
		2464
		2465	# need to save uniques path
		2466	unless ($self->{deny_save}) {
		2467	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2468
		2469	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2470	if $uniq;
		2471	}
		2472
		2473	delete $cf::MAP{$self->path};
2270		2474
2271	$self->deactivate;	2475	$self->deactivate;
2272	$_->clear_links_to ($self) for values %cf::MAP;	2476	$_->clear_links_to ($self) for values %cf::MAP;
2273	$self->clear;	2477	$self->clear;
2274	}
2275
2276	sub reset_at {
2277	my ($self) = @_;
2278
2279	# TODO: safety, remove and allow resettable per-player maps
2280	return 1e99 if $self->{deny_reset};
2281
2282	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2283	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2284
2285	$time + $to
2286	}
2287
2288	sub should_reset {
2289	my ($self) = @_;
2290
2291	$self->reset_at <= $cf::RUNTIME
2292	}
2293
2294	sub reset {
2295	my ($self) = @_;
2296
2297	my $lock = cf::lock_acquire "map_data:$self->{path}";
2298
2299	return if $self->players;
2300
2301	warn "resetting map ", $self->path;
2302
2303	$self->in_memory (cf::MAP_SWAPPED);
2304
2305	# need to save uniques path
2306	unless ($self->{deny_save}) {
2307	my $uniq = $self->uniq_path; utf8::encode $uniq;
2308
2309	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2310	if $uniq;
2311	}
2312
2313	delete $cf::MAP{$self->path};
2314
2315	$self->deactivate;
2316	$_->clear_links_to ($self) for values %cf::MAP;
2317	$self->clear;
2318		2478
2319	$self->unlink_save;	2479	$self->unlink_save;
2320	$self->destroy;	2480	$self->destroy;
2321	}	2481	}
2322		2482
…		…
2330		2490
2331	delete $cf::MAP{$self->path};	2491	delete $cf::MAP{$self->path};
2332		2492
2333	$self->unlink_save;	2493	$self->unlink_save;
2334		2494
2335	bless $self, "cf::map";	2495	bless $self, "cf::map::wrap";
2336	delete $self->{deny_reset};	2496	delete $self->{deny_reset};
2337	$self->{deny_save} = 1;	2497	$self->{deny_save} = 1;
2338	$self->reset_timeout (1);	2498	$self->reset_timeout (1);
2339	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2499	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2340		2500
…		…
2397	: normalise $_	2557	: normalise $_
2398	} @{ aio_readdir $UNIQUEDIR or [] }	2558	} @{ aio_readdir $UNIQUEDIR or [] }
2399	]	2559	]
2400	}	2560	}
2401		2561
		2562	=item cf::map::static_maps
		2563
		2564	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2565	file in the shared directory excluding F</styles> and F</editor>). May
		2566	block.
		2567
		2568	=cut
		2569
		2570	sub static_maps() {
		2571	my @dirs = "";
		2572	my @maps;
		2573
		2574	while (@dirs) {
		2575	my $dir = shift @dirs;
		2576
		2577	next if $dir eq "/styles" || $dir eq "/editor";
		2578
		2579	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2580	or return;
		2581
		2582	for (@$files) {
		2583	s/\.map$// or next;
		2584	utf8::decode $_;
		2585	push @maps, "$dir/$_";
		2586	}
		2587
		2588	push @dirs, map "$dir/$_", @$dirs;
		2589	}
		2590
		2591	\@maps
		2592	}
		2593
2402	=back	2594	=back
2403		2595
2404	=head3 cf::object	2596	=head3 cf::object
2405		2597
2406	=cut	2598	=cut
…		…
2471		2663
2472	our $SAY_CHANNEL = {	2664	our $SAY_CHANNEL = {
2473	id => "say",	2665	id => "say",
2474	title => "Map",	2666	title => "Map",
2475	reply => "say ",	2667	reply => "say ",
2476	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",	2668	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
2477	};	2669	};
2478		2670
2479	our $CHAT_CHANNEL = {	2671	our $CHAT_CHANNEL = {
2480	id => "chat",	2672	id => "chat",
2481	title => "Chat",	2673	title => "Chat",
…		…
2536		2728
2537	=item $player_object->enter_link	2729	=item $player_object->enter_link
2538		2730
2539	Freezes the player and moves him/her to a special map (C<{link}>).	2731	Freezes the player and moves him/her to a special map (C<{link}>).
2540		2732
2541	The player should be reasonably safe there for short amounts of time. You	2733	The player should be reasonably safe there for short amounts of time (e.g.
2542	I<MUST> call C<leave_link> as soon as possible, though.	2734	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2735	though, as the player cannot control the character while it is on the link
		2736	map.
2543		2737
2544	Will never block.	2738	Will never block.
2545		2739
2546	=item $player_object->leave_link ($map, $x, $y)	2740	=item $player_object->leave_link ($map, $x, $y)
2547		2741
…		…
2567	sub cf::object::player::enter_link {	2761	sub cf::object::player::enter_link {
2568	my ($self) = @_;	2762	my ($self) = @_;
2569		2763
2570	$self->deactivate_recursive;	2764	$self->deactivate_recursive;
2571		2765
		2766	++$self->{_link_recursion};
		2767
2572	return if UNIVERSAL::isa $self->map, "ext::map_link";	2768	return if UNIVERSAL::isa $self->map, "ext::map_link";
2573		2769
2574	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2575	if $self->map && $self->map->{path} ne "{link}";	2771	if $self->map && $self->map->{path} ne "{link}";
2576		2772
2577	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2773	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2578	}	2774	}
2579		2775
2580	sub cf::object::player::leave_link {	2776	sub cf::object::player::leave_link {
2581	my ($self, $map, $x, $y) = @_;	2777	my ($self, $map, $x, $y) = @_;
2582		2778
…		…
2599	($x, $y) = (-1, -1)	2795	($x, $y) = (-1, -1)
2600	unless (defined $x) && (defined $y);	2796	unless (defined $x) && (defined $y);
2601		2797
2602	# use -1 or undef as default coordinates, not 0, 0	2798	# use -1 or undef as default coordinates, not 0, 0
2603	($x, $y) = ($map->enter_x, $map->enter_y)	2799	($x, $y) = ($map->enter_x, $map->enter_y)
2604	if $x <=0 && $y <= 0;	2800	if $x <= 0 && $y <= 0;
2605		2801
2606	$map->load;	2802	$map->load;
2607	$map->load_neighbours;
2608		2803
2609	return unless $self->contr->active;	2804	return unless $self->contr->active;
2610	$self->activate_recursive;
2611		2805
2612	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2806	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2613	$self->enter_map ($map, $x, $y);	2807	if ($self->enter_map ($map, $x, $y)) {
2614	}	2808	# entering was successful
		2809	delete $self->{_link_recursion};
		2810	# only activate afterwards, to support waiting in hooks
		2811	$self->activate_recursive;
		2812	}
2615		2813
		2814	}
		2815
2616	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])	2816	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
2617		2817
2618	Moves the player to the given map-path and coordinates by first freezing	2818	Moves the player to the given map-path and coordinates by first freezing
2619	her, loading and preparing them map, calling the provided $check callback	2819	her, loading and preparing them map, calling the provided $check callback
2620	that has to return the map if sucecssful, and then unfreezes the player on	2820	that has to return the map if sucecssful, and then unfreezes the player on
2621	the new (success) or old (failed) map position. In either case, $done will	2821	the new (success) or old (failed) map position. In either case, $done will
…		…
2628		2828
2629	our $GOTOGEN;	2829	our $GOTOGEN;
2630		2830
2631	sub cf::object::player::goto {	2831	sub cf::object::player::goto {
2632	my ($self, $path, $x, $y, $check, $done) = @_;	2832	my ($self, $path, $x, $y, $check, $done) = @_;
		2833
		2834	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2835	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2836	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2837	($path, $x, $y) = @$EMERGENCY_POSITION;
		2838	}
2633		2839
2634	# do generation counting so two concurrent goto's will be executed in-order	2840	# do generation counting so two concurrent goto's will be executed in-order
2635	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2841	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2636		2842
2637	$self->enter_link;	2843	$self->enter_link;
…		…
2657	($path, $x, $y) = (undef, undef, undef);	2863	($path, $x, $y) = (undef, undef, undef);
2658	}	2864	}
2659	}	2865	}
2660		2866
2661	my $map = eval {	2867	my $map = eval {
2662	my $map = defined $path ? cf::map::find $path : undef;	2868	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2663		2869
2664	if ($map) {	2870	if ($map) {
2665	$map = $map->customise_for ($self);	2871	$map = $map->customise_for ($self);
2666	$map = $check->($map) if $check && $map;	2872	$map = $check->($map, $x, $y, $self) if $check && $map;
2667	} else {	2873	} else {
2668	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2874	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2669	}	2875	}
2670		2876
2671	$map	2877	$map
…		…
2679	if ($gen == $self->{_goto_generation}) {	2885	if ($gen == $self->{_goto_generation}) {
2680	delete $self->{_goto_generation};	2886	delete $self->{_goto_generation};
2681	$self->leave_link ($map, $x, $y);	2887	$self->leave_link ($map, $x, $y);
2682	}	2888	}
2683		2889
2684	$done->() if $done;	2890	$done->($self) if $done;
2685	})->prio (1);	2891	})->prio (1);
2686	}	2892	}
2687		2893
2688	=item $player_object->enter_exit ($exit_object)	2894	=item $player_object->enter_exit ($exit_object)
2689		2895
…		…
2757	$Coro::current->{desc} = "enter_exit";	2963	$Coro::current->{desc} = "enter_exit";
2758		2964
2759	unless (eval {	2965	unless (eval {
2760	$self->deactivate_recursive; # just to be sure	2966	$self->deactivate_recursive; # just to be sure
2761		2967
2762	# random map handling
2763	{
2764	my $guard = cf::lock_acquire "exit_prepare:$exit";
2765
2766	prepare_random_map $exit
2767	if $exit->slaying eq "/!";
2768	}
2769
2770	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2968	my $map = cf::map::normalise $exit->slaying, $exit->map;
2771	my $x = $exit->stats->hp;	2969	my $x = $exit->stats->hp;
2772	my $y = $exit->stats->sp;	2970	my $y = $exit->stats->sp;
		2971
		2972	# special map handling
		2973	my $slaying = $exit->slaying;
		2974
		2975	# special map handling
		2976	if ($slaying eq "/!") {
		2977	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2978
		2979	prepare_random_map $exit
		2980	if $exit->slaying eq "/!"; # need to re-check after getting the lock
		2981
		2982	$map = $exit->slaying;
		2983
		2984	} elsif ($slaying eq '!up') {
		2985	$map = $exit->map->tile_path (cf::TILE_UP);
		2986	$x = $exit->x;
		2987	$y = $exit->y;
		2988
		2989	} elsif ($slaying eq '!down') {
		2990	$map = $exit->map->tile_path (cf::TILE_DOWN);
		2991	$x = $exit->x;
		2992	$y = $exit->y;
		2993	}
2773		2994
2774	$self->goto ($map, $x, $y);	2995	$self->goto ($map, $x, $y);
2775		2996
2776	# if exit is damned, update players death & WoR home-position	2997	# if exit is damned, update players death & WoR home-position
2777	$self->contr->savebed ($map, $x, $y)	2998	$self->contr->savebed ($map, $x, $y)
2778	if $exit->flag (cf::FLAG_DAMNED);	2999	if $exit->flag (cf::FLAG_DAMNED);
2779		3000
2780	1	3001	1
2781	}) {	3002	}) {
2782	$self->message ("Something went wrong deep within the crossfire server. "	3003	$self->message ("Something went wrong deep within the deliantra server. "
2783	. "I'll try to bring you back to the map you were before. "	3004	. "I'll try to bring you back to the map you were before. "
2784	. "Please report this to the dungeon master!",	3005	. "Please report this to the dungeon master!",
2785	cf::NDI_UNIQUE | cf::NDI_RED);	3006	cf::NDI_UNIQUE | cf::NDI_RED);
2786		3007
2787	warn "ERROR in enter_exit: $@";	3008	error "ERROR in enter_exit: $@";
2788	$self->leave_link;	3009	$self->leave_link;
2789	}	3010	}
2790	})->prio (1);	3011	})->prio (1);
2791	}	3012	}
2792		3013
…		…
2804	sub cf::client::send_drawinfo {	3025	sub cf::client::send_drawinfo {
2805	my ($self, $text, $flags) = @_;	3026	my ($self, $text, $flags) = @_;
2806		3027
2807	utf8::encode $text;	3028	utf8::encode $text;
2808	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	3029	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
		3030	}
		3031
		3032	=item $client->send_big_packet ($pkt)
		3033
		3034	Like C<send_packet>, but tries to compress large packets, and fragments
		3035	them as required.
		3036
		3037	=cut
		3038
		3039	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		3040
		3041	sub cf::client::send_big_packet {
		3042	my ($self, $pkt) = @_;
		3043
		3044	# try lzf for large packets
		3045	$pkt = "lzf " . Compress::LZF::compress $pkt
		3046	if 1024 <= length $pkt and $self->{can_lzf};
		3047
		3048	# split very large packets
		3049	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		3050	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		3051	$pkt = "frag";
		3052	}
		3053
		3054	$self->send_packet ($pkt);
2809	}	3055	}
2810		3056
2811	=item $client->send_msg ($channel, $msg, $color, [extra...])	3057	=item $client->send_msg ($channel, $msg, $color, [extra...])
2812		3058
2813	Send a drawinfo or msg packet to the client, formatting the msg for the	3059	Send a drawinfo or msg packet to the client, formatting the msg for the
…		…
2817		3063
2818	=cut	3064	=cut
2819		3065
2820	# non-persistent channels (usually the info channel)	3066	# non-persistent channels (usually the info channel)
2821	our %CHANNEL = (	3067	our %CHANNEL = (
		3068	"c/motd" => {
		3069	id => "infobox",
		3070	title => "MOTD",
		3071	reply => undef,
		3072	tooltip => "The message of the day",
		3073	},
2822	"c/identify" => {	3074	"c/identify" => {
2823	id => "infobox",	3075	id => "infobox",
2824	title => "Identify",	3076	title => "Identify",
2825	reply => undef,	3077	reply => undef,
2826	tooltip => "Items recently identified",	3078	tooltip => "Items recently identified",
…		…
2828	"c/examine" => {	3080	"c/examine" => {
2829	id => "infobox",	3081	id => "infobox",
2830	title => "Examine",	3082	title => "Examine",
2831	reply => undef,	3083	reply => undef,
2832	tooltip => "Signs and other items you examined",	3084	tooltip => "Signs and other items you examined",
		3085	},
		3086	"c/shopinfo" => {
		3087	id => "infobox",
		3088	title => "Shop Info",
		3089	reply => undef,
		3090	tooltip => "What your bargaining skill tells you about the shop",
2833	},	3091	},
2834	"c/book" => {	3092	"c/book" => {
2835	id => "infobox",	3093	id => "infobox",
2836	title => "Book",	3094	title => "Book",
2837	reply => undef,	3095	reply => undef,
…		…
2853	id => "infobox",	3111	id => "infobox",
2854	title => "Body Parts",	3112	title => "Body Parts",
2855	reply => undef,	3113	reply => undef,
2856	tooltip => "Shows which body parts you posess and are available",	3114	tooltip => "Shows which body parts you posess and are available",
2857	},	3115	},
		3116	"c/statistics" => {
		3117	id => "infobox",
		3118	title => "Statistics",
		3119	reply => undef,
		3120	tooltip => "Shows your primary statistics",
		3121	},
		3122	"c/skills" => {
		3123	id => "infobox",
		3124	title => "Skills",
		3125	reply => undef,
		3126	tooltip => "Shows your experience per skill and item power",
		3127	},
		3128	"c/shopitems" => {
		3129	id => "infobox",
		3130	title => "Shop Items",
		3131	reply => undef,
		3132	tooltip => "Shows the items currently for sale in this shop",
		3133	},
		3134	"c/resistances" => {
		3135	id => "infobox",
		3136	title => "Resistances",
		3137	reply => undef,
		3138	tooltip => "Shows your resistances",
		3139	},
		3140	"c/pets" => {
		3141	id => "infobox",
		3142	title => "Pets",
		3143	reply => undef,
		3144	tooltip => "Shows information abotu your pets/a specific pet",
		3145	},
		3146	"c/perceiveself" => {
		3147	id => "infobox",
		3148	title => "Perceive Self",
		3149	reply => undef,
		3150	tooltip => "You gained detailed knowledge about yourself",
		3151	},
2858	"c/uptime" => {	3152	"c/uptime" => {
2859	id => "infobox",	3153	id => "infobox",
2860	title => "Uptime",	3154	title => "Uptime",
2861	reply => undef,	3155	reply => undef,
2862	tooltip => "How long the server has been running since last restart",	3156	tooltip => "How long the server has been running since last restart",
…		…
2871	id => "party",	3165	id => "party",
2872	title => "Party",	3166	title => "Party",
2873	reply => "gsay ",	3167	reply => "gsay ",
2874	tooltip => "Messages and chat related to your party",	3168	tooltip => "Messages and chat related to your party",
2875	},	3169	},
		3170	"c/death" => {
		3171	id => "death",
		3172	title => "Death",
		3173	reply => undef,
		3174	tooltip => "Reason for and more info about your most recent death",
		3175	},
		3176	"c/say" => $SAY_CHANNEL,
		3177	"c/chat" => $CHAT_CHANNEL,
2876	);	3178	);
2877		3179
2878	sub cf::client::send_msg {	3180	sub cf::client::send_msg {
2879	my ($self, $channel, $msg, $color, @extra) = @_;	3181	my ($self, $channel, $msg, $color, @extra) = @_;
2880		3182
2881	$msg = $self->pl->expand_cfpod ($msg);	3183	$msg = $self->pl->expand_cfpod ($msg)
		3184	unless $color & cf::NDI_VERBATIM;
2882		3185
2883	$color &= cf::NDI_CLIENT_MASK; # just in case...	3186	$color &= cf::NDI_CLIENT_MASK; # just in case...
2884		3187
2885	# check predefined channels, for the benefit of C	3188	# check predefined channels, for the benefit of C
2886	if ($CHANNEL{$channel}) {	3189	if ($CHANNEL{$channel}) {
2887	$channel = $CHANNEL{$channel};	3190	$channel = $CHANNEL{$channel};
2888		3191
2889	$self->ext_msg (channel_info => $channel)	3192	$self->ext_msg (channel_info => $channel);
2890	if $self->can_msg;
2891
2892	$channel = $channel->{id};	3193	$channel = $channel->{id};
2893		3194
2894	} elsif (ref $channel) {	3195	} elsif (ref $channel) {
2895	# send meta info to client, if not yet sent	3196	# send meta info to client, if not yet sent
2896	unless (exists $self->{channel}{$channel->{id}}) {	3197	unless (exists $self->{channel}{$channel->{id}}) {
2897	$self->{channel}{$channel->{id}} = $channel;	3198	$self->{channel}{$channel->{id}} = $channel;
2898	$self->ext_msg (channel_info => $channel)	3199	$self->ext_msg (channel_info => $channel);
2899	if $self->can_msg;
2900	}	3200	}
2901		3201
2902	$channel = $channel->{id};	3202	$channel = $channel->{id};
2903	}	3203	}
2904		3204
2905	return unless @extra || length $msg;	3205	return unless @extra || length $msg;
2906		3206
2907	if ($self->can_msg) {
2908	# default colour, mask it out	3207	# default colour, mask it out
2909	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3208	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2910	if $color & cf::NDI_DEF;	3209	if $color & cf::NDI_DEF;
2911		3210
2912	$self->send_packet ("msg " . $self->{json_coder}->encode (	3211	my $pkt = "msg "
		3212	. $self->{json_coder}->encode (
2913	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3213	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2914	} else {	3214	);
2915	if ($color >= 0) {
2916	# replace some tags by gcfclient-compatible ones
2917	for ($msg) {
2918	1 while
2919	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2920	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2921	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2922	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2923	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2924	}
2925		3215
2926	$color &= cf::NDI_COLOR_MASK;	3216	$self->send_big_packet ($pkt);
2927
2928	utf8::encode $msg;
2929
2930	if (0 && $msg =~ /\[/) {
2931	# COMMAND/INFO
2932	$self->send_packet ("drawextinfo $color 10 8 $msg")
2933	} else {
2934	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2935	$self->send_packet ("drawinfo $color $msg")
2936	}
2937	}
2938	}
2939	}	3217	}
2940		3218
2941	=item $client->ext_msg ($type, @msg)	3219	=item $client->ext_msg ($type, @msg)
2942		3220
2943	Sends an ext event to the client.	3221	Sends an ext event to the client.
…		…
2945	=cut	3223	=cut
2946		3224
2947	sub cf::client::ext_msg($$@) {	3225	sub cf::client::ext_msg($$@) {
2948	my ($self, $type, @msg) = @_;	3226	my ($self, $type, @msg) = @_;
2949		3227
2950	if ($self->extcmd == 2) {
2951	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2952	} elsif ($self->extcmd == 1) { # TODO: remove
2953	push @msg, msgtype => "event_$type";
2954	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2955	}
2956	}
2957
2958	=item $client->ext_reply ($msgid, @msg)
2959
2960	Sends an ext reply to the client.
2961
2962	=cut
2963
2964	sub cf::client::ext_reply($$@) {
2965	my ($self, $id, @msg) = @_;
2966
2967	if ($self->extcmd == 2) {
2968	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2969	} elsif ($self->extcmd == 1) {
2970	#TODO: version 1, remove
2971	unshift @msg, msgtype => "reply", msgid => $id;
2972	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2973	}
2974	}	3229	}
2975		3230
2976	=item $success = $client->query ($flags, "text", \&cb)	3231	=item $success = $client->query ($flags, "text", \&cb)
2977		3232
2978	Queues a query to the client, calling the given callback with	3233	Queues a query to the client, calling the given callback with
…		…
3033	my ($ns, $buf) = @_;	3288	my ($ns, $buf) = @_;
3034		3289
3035	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3290	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3036		3291
3037	if (ref $msg) {	3292	if (ref $msg) {
3038	my ($type, $reply, @payload) =	3293	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3039	"ARRAY" eq ref $msg
3040	? @$msg
3041	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3042		3294
3043	my @reply;	3295	my @reply;
3044		3296
3045	if (my $cb = $EXTICMD{$type}) {	3297	if (my $cb = $EXTICMD{$type}) {
3046	@reply = $cb->($ns, @payload);	3298	@reply = $cb->($ns, @payload);
3047	}	3299	}
3048		3300
3049	$ns->ext_reply ($reply, @reply)	3301	$ns->ext_msg ("reply-$reply", @reply)
3050	if $reply;	3302	if $reply;
3051		3303
3052	} else {	3304	} else {
3053	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";	3305	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
3054	}	3306	}
3055		3307
3056	cf::override;	3308	cf::override;
3057	},	3309	},
3058	);	3310	);
…		…
3078		3330
3079	$coro	3331	$coro
3080	}	3332	}
3081		3333
3082	cf::client->attach (	3334	cf::client->attach (
3083	on_destroy => sub {	3335	on_client_destroy => sub {
3084	my ($ns) = @_;	3336	my ($ns) = @_;
3085		3337
3086	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3338	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3087	},	3339	},
3088	);	3340	);
…		…
3104	our $safe_hole = new Safe::Hole;	3356	our $safe_hole = new Safe::Hole;
3105		3357
3106	$SIG{FPE} = 'IGNORE';	3358	$SIG{FPE} = 'IGNORE';
3107		3359
3108	$safe->permit_only (Opcode::opset qw(	3360	$safe->permit_only (Opcode::opset qw(
3109	:base_core :base_mem :base_orig :base_math	3361	:base_core :base_mem :base_orig :base_math :base_loop
3110	grepstart grepwhile mapstart mapwhile	3362	grepstart grepwhile mapstart mapwhile
3111	sort time	3363	sort time
3112	));	3364	));
3113		3365
3114	# here we export the classes and methods available to script code	3366	# here we export the classes and methods available to script code
…		…
3118	The following functions and methods are available within a safe environment:	3370	The following functions and methods are available within a safe environment:
3119		3371
3120	cf::object	3372	cf::object
3121	contr pay_amount pay_player map x y force_find force_add destroy	3373	contr pay_amount pay_player map x y force_find force_add destroy
3122	insert remove name archname title slaying race decrease split	3374	insert remove name archname title slaying race decrease split
		3375	value
3123		3376
3124	cf::object::player	3377	cf::object::player
3125	player	3378	player
3126		3379
3127	cf::player	3380	cf::player
…		…
3133	=cut	3386	=cut
3134		3387
3135	for (	3388	for (
3136	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3389	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3137	insert remove inv nrof name archname title slaying race	3390	insert remove inv nrof name archname title slaying race
3138	decrease split destroy change_exp)],	3391	decrease split destroy change_exp value msg lore send_msg)],
3139	["cf::object::player" => qw(player)],	3392	["cf::object::player" => qw(player)],
3140	["cf::player" => qw(peaceful)],	3393	["cf::player" => qw(peaceful send_msg)],
3141	["cf::map" => qw(trigger)],	3394	["cf::map" => qw(trigger)],
3142	) {	3395	) {
3143	no strict 'refs';
3144	my ($pkg, @funs) = @$_;	3396	my ($pkg, @funs) = @$_;
3145	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3397	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3146	for @funs;	3398	for @funs;
3147	}	3399	}
3148		3400
…		…
3163		3415
3164	my $qcode = $code;	3416	my $qcode = $code;
3165	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3417	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3166	$qcode =~ s/\n/\\n/g;	3418	$qcode =~ s/\n/\\n/g;
3167		3419
		3420	%vars = (_dummy => 0) unless %vars;
		3421
		3422	my @res;
3168	local $_;	3423	local $_;
3169	local @safe::cf::_safe_eval_args = values %vars;
3170		3424
3171	my $eval =	3425	my $eval =
3172	"do {\n"	3426	"do {\n"
3173	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3427	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3174	. "#line 0 \"{$qcode}\"\n"	3428	. "#line 0 \"{$qcode}\"\n"
3175	. $code	3429	. $code
3176	. "\n}"	3430	. "\n}"
3177	;	3431	;
3178		3432
		3433	if ($CFG{safe_eval}) {
3179	sub_generation_inc;	3434	sub_generation_inc;
		3435	local @safe::cf::_safe_eval_args = values %vars;
3180	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3436	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3181	sub_generation_inc;	3437	sub_generation_inc;
		3438	} else {
		3439	local @cf::_safe_eval_args = values %vars;
		3440	@res = wantarray ? eval eval : scalar eval $eval;
		3441	}
3182		3442
3183	if ($@) {	3443	if ($@) {
3184	warn "$@";	3444	warn "$@",
3185	warn "while executing safe code '$code'\n";	3445	"while executing safe code '$code'\n",
3186	warn "with arguments " . (join " ", %vars) . "\n";	3446	"with arguments " . (join " ", %vars) . "\n";
3187	}	3447	}
3188		3448
3189	wantarray ? @res : $res[0]	3449	wantarray ? @res : $res[0]
3190	}	3450	}
3191		3451
…		…
3205	=cut	3465	=cut
3206		3466
3207	sub register_script_function {	3467	sub register_script_function {
3208	my ($fun, $cb) = @_;	3468	my ($fun, $cb) = @_;
3209		3469
3210	no strict 'refs';	3470	$fun = "safe::$fun" if $CFG{safe_eval};
3211	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3471	*$fun = $safe_hole->wrap ($cb);
3212	}	3472	}
3213		3473
3214	=back	3474	=back
3215		3475
3216	=cut	3476	=cut
3217		3477
3218	#############################################################################	3478	#############################################################################
3219	# the server's init and main functions	3479	# the server's init and main functions
		3480
		3481	our %FACEHASH; # hash => idx, #d# HACK for http server
		3482
		3483	# internal api, not fianlised
		3484	sub add_face {
		3485	my ($name, $type, $data) = @_;
		3486
		3487	my $idx = cf::face::find $name;
		3488
		3489	if ($idx) {
		3490	delete $FACEHASH{cf::face::get_chksum $idx};
		3491	} else {
		3492	$idx = cf::face::alloc $name;
		3493	}
		3494
		3495	my $hash = cf::face::mangle_chksum Digest::MD5::md5 $data;
		3496
		3497	cf::face::set_type $idx, $type;
		3498	cf::face::set_data $idx, 0, $data, $hash;
		3499	cf::face::set_meta $idx, $type & 1 ? undef : undef;
		3500	$FACEHASH{$hash} = $idx;#d#
		3501
		3502	$idx
		3503	}
3220		3504
3221	sub load_facedata($) {	3505	sub load_facedata($) {
3222	my ($path) = @_;	3506	my ($path) = @_;
3223		3507
3224	# HACK to clear player env face cache, we need some signal framework	3508	# HACK to clear player env face cache, we need some signal framework
3225	# for this (global event?)	3509	# for this (global event?)
3226	%ext::player_env::MUSIC_FACE_CACHE = ();	3510	%ext::player_env::MUSIC_FACE_CACHE = ();
3227		3511
3228	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3512	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3229		3513
3230	warn "loading facedata from $path\n";	3514	trace "loading facedata from $path\n";
3231		3515
3232	my $facedata;	3516	my $facedata = decode_storable load_file $path;
3233	0 < aio_load $path, $facedata
3234	or die "$path: $!";
3235
3236	$facedata = Coro::Storable::thaw $facedata;
3237		3517
3238	$facedata->{version} == 2	3518	$facedata->{version} == 2
3239	or cf::cleanup "$path: version mismatch, cannot proceed.";	3519	or cf::cleanup "$path: version mismatch, cannot proceed.";
3240		3520
3241	# patch in the exptable
3242	$facedata->{resource}{"res/exp_table"} = {
3243	type => FT_RSRC,
3244	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3245	};
3246	cf::cede_to_tick;	3521	cf::cede_to_tick;
3247		3522
3248	{	3523	{
3249	my $faces = $facedata->{faceinfo};	3524	my $faces = $facedata->{faceinfo};
3250		3525
3251	while (my ($face, $info) = each %$faces) {	3526	for my $face (sort keys %$faces) {
		3527	my $info = $faces->{$face};
3252	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3253		3529
3254	cf::face::set_visibility $idx, $info->{visibility};	3530	cf::face::set_visibility $idx, $info->{visibility};
3255	cf::face::set_magicmap $idx, $info->{magicmap};	3531	cf::face::set_magicmap $idx, $info->{magicmap};
3256	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3532	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3257	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};	3533	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
		3534	cf::face::set_data $idx, 2, $info->{glyph} , $info->{glyph} ;
		3535	$FACEHASH{$info->{hash64}} = $idx;#d#
3258		3536
3259	cf::cede_to_tick;	3537	cf::cede_to_tick;
3260	}	3538	}
3261		3539
3262	while (my ($face, $info) = each %$faces) {	3540	while (my ($face, $info) = each %$faces) {
…		…
3267		3545
3268	if (my $smooth = cf::face::find $info->{smooth}) {	3546	if (my $smooth = cf::face::find $info->{smooth}) {
3269	cf::face::set_smooth $idx, $smooth;	3547	cf::face::set_smooth $idx, $smooth;
3270	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3548	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3271	} else {	3549	} else {
3272	warn "smooth face '$info->{smooth}' not found for face '$face'";	3550	error "smooth face '$info->{smooth}' not found for face '$face'";
3273	}	3551	}
3274		3552
3275	cf::cede_to_tick;	3553	cf::cede_to_tick;
3276	}	3554	}
3277	}	3555	}
…		…
3286		3564
3287	cf::anim::invalidate_all; # d'oh	3565	cf::anim::invalidate_all; # d'oh
3288	}	3566	}
3289		3567
3290	{	3568	{
3291	# TODO: for gcfclient pleasure, we should give resources
3292	# that gcfclient doesn't grok a >10000 face index.
3293	my $res = $facedata->{resource};	3569	my $res = $facedata->{resource};
3294		3570
3295	while (my ($name, $info) = each %$res) {	3571	while (my ($name, $info) = each %$res) {
3296	if (defined $info->{type}) {	3572	if (defined (my $type = $info->{type})) {
		3573	# TODO: different hash - must free and use new index, or cache ixface data queue
3297	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3574	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3298	my $data;
3299		3575
3300	if ($info->{type} & 1) {
3301	# prepend meta info
3302
3303	my $meta = $enc->encode ({
3304	name => $name,
3305	%{ $info->{meta} || {} },
3306	});
3307
3308	$data = pack "(w/a*)*", $meta, $info->{data};
3309	} else {
3310	$data = $info->{data};
3311	}
3312
3313	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3314	cf::face::set_type $idx, $info->{type};	3576	cf::face::set_type $idx, $type;
		3577	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3578	cf::face::set_meta $idx, $type & 1 ? undef : $info->{meta}; # preserve meta unless prepended already
		3579	$FACEHASH{$info->{hash}} = $idx;#d#
3315	} else {	3580	} else {
3316	$RESOURCE{$name} = $info;	3581	# $RESOURCE{$name} = $info; # unused
3317	}	3582	}
3318		3583
3319	cf::cede_to_tick;	3584	cf::cede_to_tick;
3320	}	3585	}
3321	}	3586	}
3322		3587
3323	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3588	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3324		3589
3325	1	3590	1
3326	}	3591	}
3327
3328	cf::global->attach (on_resource_update => sub {
3329	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3330	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3331
3332	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3333	my $sound = $soundconf->{compat}[$_]
3334	or next;
3335
3336	my $face = cf::face::find "sound/$sound->[1]";
3337	cf::sound::set $sound->[0] => $face;
3338	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3339	}
3340
3341	while (my ($k, $v) = each %{$soundconf->{event}}) {
3342	my $face = cf::face::find "sound/$v";
3343	cf::sound::set $k => $face;
3344	}
3345	}
3346	});
3347		3592
3348	register_exticmd fx_want => sub {	3593	register_exticmd fx_want => sub {
3349	my ($ns, $want) = @_;	3594	my ($ns, $want) = @_;
3350		3595
3351	while (my ($k, $v) = each %$want) {	3596	while (my ($k, $v) = each %$want) {
…		…
3359	my $status = load_resource_file_ $_[0];	3604	my $status = load_resource_file_ $_[0];
3360	get_slot 0.1, 100;	3605	get_slot 0.1, 100;
3361	cf::arch::commit_load;	3606	cf::arch::commit_load;
3362		3607
3363	$status	3608	$status
		3609	}
		3610
		3611	sub reload_exp_table {
		3612	_reload_exp_table;
		3613
		3614	add_face "res/exp_table" => FT_RSRC,
		3615	JSON::XS->new->utf8->canonical->encode (
		3616	[map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]
		3617	);
		3618	}
		3619
		3620	sub reload_materials {
		3621	_reload_materials;
3364	}	3622	}
3365		3623
3366	sub reload_regions {	3624	sub reload_regions {
3367	# HACK to clear player env face cache, we need some signal framework	3625	# HACK to clear player env face cache, we need some signal framework
3368	# for this (global event?)	3626	# for this (global event?)
…		…
3383	}	3641	}
3384		3642
3385	sub reload_archetypes {	3643	sub reload_archetypes {
3386	load_resource_file "$DATADIR/archetypes"	3644	load_resource_file "$DATADIR/archetypes"
3387	or die "unable to load archetypes\n";	3645	or die "unable to load archetypes\n";
		3646
		3647	add_face "res/skill_info" => FT_RSRC,
		3648	JSON::XS->new->utf8->canonical->encode (
		3649	[map [cf::arch::skillvec ($_)->name], 0 .. cf::arch::skillvec_size - 1]
		3650	);
		3651	add_face "res/spell_paths" => FT_RSRC,
		3652	JSON::XS->new->utf8->canonical->encode (
		3653	[map [cf::spellpathnames ($_)], 0 .. NRSPELLPATHS - 1]
		3654	);
3388	}	3655	}
3389		3656
3390	sub reload_treasures {	3657	sub reload_treasures {
3391	load_resource_file "$DATADIR/treasures"	3658	load_resource_file "$DATADIR/treasures"
3392	or die "unable to load treasurelists\n";	3659	or die "unable to load treasurelists\n";
3393	}	3660	}
3394		3661
		3662	sub reload_sound {
		3663	trace "loading sound config from $DATADIR/sound\n";
		3664
		3665	my $soundconf = JSON::XS->new->utf8->relaxed->decode (load_file "$DATADIR/sound");
		3666
		3667	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3668	my $sound = $soundconf->{compat}[$_]
		3669	or next;
		3670
		3671	my $face = cf::face::find "sound/$sound->[1]";
		3672	cf::sound::set $sound->[0] => $face;
		3673	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3674	}
		3675
		3676	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3677	my $face = cf::face::find "sound/$v";
		3678	cf::sound::set $k => $face;
		3679	}
		3680	}
		3681
		3682	#d# move docstuff to help or so
		3683	our %DOCSTRING;
		3684
		3685	sub reload_pod {
		3686	trace "loading pods $PODDIR\n";
		3687
		3688	%DOCSTRING = ();
		3689	my @command_list;
		3690
		3691	for (
		3692	[0, "command_help"],
		3693	[1, "emote_help"],
		3694	[2, "dmcommand_help"],
		3695	) {
		3696	my ($type, $path) = @$_;
		3697
		3698	my $paragraphs = &cf::pod::load_pod ("$PODDIR/$path.pod")
		3699	or die "unable to load $path";
		3700
		3701	my $level = 1e9;
		3702	my $rpar;
		3703
		3704	for my $par (@$paragraphs) {
		3705	if ($par->{type} eq "head2") {
		3706	# this code taken almost verbatim from DC/Protocol.pm
		3707
		3708	if ($par->{markup} =~ /^(\S+) (?:\s+ \( ([^\)]*) \) )?/x) {
		3709	my $cmd = $1;
		3710	my @args = split /\|/, $2;
		3711	@args = (".*") unless @args;
		3712
		3713	$_ = $_ eq ".*" ? "" : " $_"
		3714	for @args;
		3715
		3716	my @variants = map "$cmd$_", sort { (length $a) <=> (length $b) } @args;
		3717
		3718	$rpar = \($DOCSTRING{"command/$cmd"} = &cf::pod::as_cfpod ([$par]));
		3719
		3720	push @command_list, [$type, \@variants];
		3721	$level = $par->{level};
		3722	} else {
		3723	error "$par->{markup}: unparsable command heading";
		3724	}
		3725	} elsif ($par->{level} > $level) {
		3726	$$rpar .= &cf::pod::as_cfpod ([$par]);
		3727	}
		3728
		3729	cf::cede_to_tick;
		3730	}
		3731	}
		3732
		3733	@command_list = sort {
		3734	$a->[0] <=> $b->[0]
		3735	or $a->[1] cmp $b->[1]
		3736	} @command_list;
		3737
		3738	cf::cede_to_tick;
		3739
		3740	add_face "res/command_list" => FT_RSRC,
		3741	JSON::XS->new->utf8->encode (\@command_list);
		3742	}
		3743
3395	sub reload_resources {	3744	sub reload_resources {
3396	warn "reloading resource files...\n";	3745	trace "reloading resource files...\n";
3397		3746
		3747	reload_materials;
3398	reload_facedata;	3748	reload_facedata;
		3749	reload_exp_table;
		3750	reload_sound;
3399	reload_archetypes;	3751	reload_archetypes;
3400	reload_regions;	3752	reload_regions;
3401	reload_treasures;	3753	reload_treasures;
		3754	reload_pod;
3402		3755
3403	warn "finished reloading resource files\n";	3756	trace "finished reloading resource files\n";
3404	}
3405
3406	sub init {
3407	my $guard = freeze_mainloop;
3408
3409	evthread_start IO::AIO::poll_fileno;
3410
3411	reload_resources;
3412	}	3757	}
3413		3758
3414	sub reload_config {	3759	sub reload_config {
3415	open my $fh, "<:utf8", "$CONFDIR/config"	3760	trace "reloading config file...\n";
3416	or return;
3417		3761
3418	local $/;	3762	my $config = load_file "$CONFDIR/config";
3419	*CFG = YAML::Load <$fh>;	3763	utf8::decode $config;
		3764	*CFG = decode_yaml $config;
3420		3765
3421	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3766	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3422		3767
3423	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3768	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
3424	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3769	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
3425		3770
3426	if (exists $CFG{mlockall}) {	3771	if (exists $CFG{mlockall}) {
…		…
3430	};	3775	};
3431	warn $@ if $@;	3776	warn $@ if $@;
3432	}	3777	}
3433	}	3778	}
3434		3779
		3780	sub pidfile() {
		3781	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3782	or die "$PIDFILE: $!";
		3783	flock $fh, &Fcntl::LOCK_EX
		3784	or die "$PIDFILE: flock: $!";
		3785	$fh
		3786	}
		3787
		3788	# make sure only one server instance is running at any one time
		3789	sub atomic {
		3790	my $fh = pidfile;
		3791
		3792	my $pid = <$fh>;
		3793	kill 9, $pid if $pid > 0;
		3794
		3795	seek $fh, 0, 0;
		3796	print $fh $$;
		3797	}
		3798
		3799	sub main_loop {
		3800	trace "EV::loop starting\n";
		3801	if (1) {
		3802	EV::loop;
		3803	}
		3804	trace "EV::loop returned\n";
		3805	goto &main_loop unless $REALLY_UNLOOP;
		3806	}
		3807
3435	sub main {	3808	sub main {
		3809	cf::init_globals; # initialise logging
		3810
		3811	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3812	LOG llevInfo, "Copyright (C) 2005-2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3813	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3814	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3815
		3816	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3817
3436	# we must not ever block the main coroutine	3818	# we must not ever block the main coroutine
3437	local $Coro::idle = sub {	3819	$Coro::idle = sub {
3438	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3820	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3439	(async {	3821	(async {
3440	$Coro::current->{desc} = "IDLE BUG HANDLER";	3822	$Coro::current->{desc} = "IDLE BUG HANDLER";
3441	EV::loop EV::LOOP_ONESHOT;	3823	EV::loop EV::LOOP_ONESHOT;
3442	})->prio (Coro::PRIO_MAX);	3824	})->prio (Coro::PRIO_MAX);
3443	};	3825	};
3444		3826
3445	{	3827	evthread_start IO::AIO::poll_fileno;
3446	my $guard = freeze_mainloop;	3828
		3829	cf::sync_job {
		3830	cf::incloader::init ();
		3831
		3832	db_init;
		3833
		3834	cf::init_anim;
		3835	cf::init_attackmess;
		3836	cf::init_dynamic;
		3837
		3838	cf::load_settings;
		3839
		3840	reload_resources;
3447	reload_config;	3841	reload_config;
3448	db_init;	3842
		3843	cf::init_uuid;
		3844	cf::init_signals;
		3845	cf::init_skills;
		3846
		3847	cf::init_beforeplay;
		3848
		3849	atomic;
		3850
3449	load_extensions;	3851	load_extensions;
3450		3852
3451	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority	3853	utime time, time, $RUNTIMEFILE;
		3854
		3855	# no (long-running) fork's whatsoever before this point(!)
		3856	use POSIX ();
		3857	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3858
		3859	cf::_post_init 0;
3452	}	3860	};
3453		3861
3454	EV::loop;	3862	cf::object::thawer::errors_are_fatal 0;
		3863	info "parse errors in files are no longer fatal from this point on.\n";
		3864
		3865	AE::postpone {
		3866	undef &main; # free gobs of memory :)
		3867	};
		3868
		3869	goto &main_loop;
3455	}	3870	}
3456		3871
3457	#############################################################################	3872	#############################################################################
3458	# initialisation and cleanup	3873	# initialisation and cleanup
3459		3874
3460	# install some emergency cleanup handlers	3875	# install some emergency cleanup handlers
3461	BEGIN {	3876	BEGIN {
3462	our %SIGWATCHER = ();	3877	our %SIGWATCHER = ();
3463	for my $signal (qw(INT HUP TERM)) {	3878	for my $signal (qw(INT HUP TERM)) {
3464	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3879	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3465	cf::cleanup "SIG$signal";	3880	cf::cleanup "SIG$signal";
3466	};	3881	};
3467	}	3882	}
3468	}	3883	}
3469		3884
3470	sub write_runtime_sync {	3885	sub write_runtime_sync {
3471	my $runtime = "$LOCALDIR/runtime";	3886	my $t0 = AE::time;
3472		3887
3473	# first touch the runtime file to show we are still running:	3888	# first touch the runtime file to show we are still running:
3474	# the fsync below can take a very very long time.	3889	# the fsync below can take a very very long time.
3475		3890
3476	IO::AIO::aio_utime $runtime, undef, undef;	3891	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3477		3892
3478	my $guard = cf::lock_acquire "write_runtime";	3893	my $guard = cf::lock_acquire "write_runtime";
3479		3894
3480	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3895	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3481	or return;	3896	or return;
3482		3897
3483	my $value = $cf::RUNTIME + 90 + 10;	3898	my $value = $cf::RUNTIME + 90 + 10;
3484	# 10 is the runtime save interval, for a monotonic clock	3899	# 10 is the runtime save interval, for a monotonic clock
3485	# 60 allows for the watchdog to kill the server.	3900	# 60 allows for the watchdog to kill the server.
…		…
3495	aio_utime $fh, undef, undef;	3910	aio_utime $fh, undef, undef;
3496		3911
3497	close $fh	3912	close $fh
3498	or return;	3913	or return;
3499		3914
3500	aio_rename "$runtime~", $runtime	3915	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3501	and return;	3916	and return;
3502		3917
3503	warn "runtime file written.\n";	3918	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3504		3919
3505	1	3920	1
3506	}	3921	}
3507		3922
3508	our $uuid_lock;	3923	our $uuid_lock;
…		…
3517	my $uuid = "$LOCALDIR/uuid";	3932	my $uuid = "$LOCALDIR/uuid";
3518		3933
3519	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3934	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3520	or return;	3935	or return;
3521		3936
3522	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;	3937	my $value = uuid_seq uuid_cur;
		3938
		3939	unless ($value) {
		3940	info "cowardly refusing to write zero uuid value!\n";
		3941	return;
		3942	}
		3943
		3944	my $value = uuid_str $value + $uuid_skip;
3523	$uuid_skip = 0;	3945	$uuid_skip = 0;
3524		3946
3525	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3947	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3526	and return;	3948	and return;
3527		3949
…		…
3533	or return;	3955	or return;
3534		3956
3535	aio_rename "$uuid~", $uuid	3957	aio_rename "$uuid~", $uuid
3536	and return;	3958	and return;
3537		3959
3538	warn "uuid file written ($value).\n";	3960	trace "uuid file written ($value).\n";
3539		3961
3540	1	3962	1
3541		3963
3542	}	3964	}
3543		3965
…		…
3549	}	3971	}
3550		3972
3551	sub emergency_save() {	3973	sub emergency_save() {
3552	my $freeze_guard = cf::freeze_mainloop;	3974	my $freeze_guard = cf::freeze_mainloop;
3553		3975
3554	warn "enter emergency perl save\n";	3976	info "emergency_perl_save: enter\n";
		3977
		3978	# this is a trade-off: we want to be very quick here, so
		3979	# save all maps without fsync, and later call a global sync
		3980	# (which in turn might be very very slow)
		3981	local $USE_FSYNC = 0;
3555		3982
3556	cf::sync_job {	3983	cf::sync_job {
		3984	cf::write_runtime_sync; # external watchdog should not bark
		3985
3557	# use a peculiar iteration method to avoid tripping on perl	3986	# use a peculiar iteration method to avoid tripping on perl
3558	# refcount bugs in for. also avoids problems with players	3987	# refcount bugs in for. also avoids problems with players
3559	# and maps saved/destroyed asynchronously.	3988	# and maps saved/destroyed asynchronously.
3560	warn "begin emergency player save\n";	3989	info "emergency_perl_save: begin player save\n";
3561	for my $login (keys %cf::PLAYER) {	3990	for my $login (keys %cf::PLAYER) {
3562	my $pl = $cf::PLAYER{$login} or next;	3991	my $pl = $cf::PLAYER{$login} or next;
3563	$pl->valid or next;	3992	$pl->valid or next;
3564	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3993	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3565	$pl->save;	3994	$pl->save;
3566	}	3995	}
3567	warn "end emergency player save\n";	3996	info "emergency_perl_save: end player save\n";
3568		3997
3569	warn "begin emergency map save\n";	3998	cf::write_runtime_sync; # external watchdog should not bark
		3999
		4000	info "emergency_perl_save: begin map save\n";
3570	for my $path (keys %cf::MAP) {	4001	for my $path (keys %cf::MAP) {
3571	my $map = $cf::MAP{$path} or next;	4002	my $map = $cf::MAP{$path} or next;
3572	$map->valid or next;	4003	$map->valid or next;
3573	$map->save;	4004	$map->save;
3574	}	4005	}
3575	warn "end emergency map save\n";	4006	info "emergency_perl_save: end map save\n";
3576		4007
3577	warn "begin emergency database checkpoint\n";	4008	cf::write_runtime_sync; # external watchdog should not bark
		4009
		4010	info "emergency_perl_save: begin database checkpoint\n";
3578	BDB::db_env_txn_checkpoint $DB_ENV;	4011	BDB::db_env_txn_checkpoint $DB_ENV;
3579	warn "end emergency database checkpoint\n";	4012	info "emergency_perl_save: end database checkpoint\n";
3580		4013
3581	warn "begin write uuid\n";	4014	info "emergency_perl_save: begin write uuid\n";
3582	write_uuid_sync 1;	4015	write_uuid_sync 1;
3583	warn "end write uuid\n";	4016	info "emergency_perl_save: end write uuid\n";
		4017
		4018	cf::write_runtime_sync; # external watchdog should not bark
		4019
		4020	trace "emergency_perl_save: syncing database to disk";
		4021	BDB::db_env_txn_checkpoint $DB_ENV;
		4022
		4023	info "emergency_perl_save: starting sync\n";
		4024	IO::AIO::aio_sync sub {
		4025	info "emergency_perl_save: finished sync\n";
		4026	};
		4027
		4028	cf::write_runtime_sync; # external watchdog should not bark
		4029
		4030	trace "emergency_perl_save: flushing outstanding aio requests";
		4031	while (IO::AIO::nreqs || BDB::nreqs) {
		4032	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4033	}
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
3584	};	4036	};
3585		4037
3586	warn "leave emergency perl save\n";	4038	info "emergency_perl_save: leave\n";
3587	}	4039	}
3588		4040
3589	sub post_cleanup {	4041	sub post_cleanup {
3590	my ($make_core) = @_;	4042	my ($make_core) = @_;
3591		4043
		4044	IO::AIO::flush;
		4045
3592	warn Carp::longmess "post_cleanup backtrace"	4046	error Carp::longmess "post_cleanup backtrace"
3593	if $make_core;	4047	if $make_core;
		4048
		4049	my $fh = pidfile;
		4050	unlink $PIDFILE if <$fh> == $$;
3594	}	4051	}
3595		4052
3596	# a safer delete_package, copied from Symbol	4053	# a safer delete_package, copied from Symbol
3597	sub clear_package($) {	4054	sub clear_package($) {
3598	my $pkg = shift;	4055	my $pkg = shift;
…		…
3614	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};	4071	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
3615	for my $name (keys %$leaf_symtab) {	4072	for my $name (keys %$leaf_symtab) {
3616	_gv_clear *{"$pkg$name"};	4073	_gv_clear *{"$pkg$name"};
3617	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};	4074	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
3618	}	4075	}
3619	warn "cleared package #$pkg\n";#d#
3620	}	4076	}
3621
3622	our $RELOAD; # how many times to reload
3623		4077
3624	sub do_reload_perl() {	4078	sub do_reload_perl() {
3625	# can/must only be called in main	4079	# can/must only be called in main
3626	if ($Coro::current != $Coro::main) {	4080	unless (in_main) {
3627	warn "can only reload from main coroutine";	4081	error "can only reload from main coroutine";
3628	return;	4082	return;
3629	}	4083	}
3630		4084
3631	return if $RELOAD++;	4085	return if $RELOAD++;
3632		4086
		4087	my $t1 = AE::time;
		4088
3633	while ($RELOAD) {	4089	while ($RELOAD) {
3634	warn "reloading...";	4090	cf::get_slot 0.1, -1, "reload_perl";
		4091	info "perl_reload: reloading...";
3635		4092
3636	warn "entering sync_job";	4093	trace "perl_reload: entering sync_job";
3637		4094
3638	cf::sync_job {	4095	cf::sync_job {
3639	cf::write_runtime_sync; # external watchdog should not bark
3640	cf::emergency_save;	4096	#cf::emergency_save;
3641	cf::write_runtime_sync; # external watchdog should not bark
3642		4097
3643	warn "syncing database to disk";
3644	BDB::db_env_txn_checkpoint $DB_ENV;
3645
3646	# if anything goes wrong in here, we should simply crash as we already saved
3647
3648	warn "flushing outstanding aio requests";
3649	while (IO::AIO::nreqs || BDB::nreqs) {
3650	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
3651	}
3652
3653	warn "cancelling all extension coros";	4098	trace "perl_reload: cancelling all extension coros";
3654	$_->cancel for values %EXT_CORO;	4099	$_->cancel for values %EXT_CORO;
3655	%EXT_CORO = ();	4100	%EXT_CORO = ();
3656		4101
3657	warn "removing commands";	4102	trace "perl_reload: removing commands";
3658	%COMMAND = ();	4103	%COMMAND = ();
3659		4104
3660	warn "removing ext/exti commands";	4105	trace "perl_reload: removing ext/exti commands";
3661	%EXTCMD = ();	4106	%EXTCMD = ();
3662	%EXTICMD = ();	4107	%EXTICMD = ();
3663		4108
3664	warn "unloading/nuking all extensions";	4109	trace "perl_reload: unloading/nuking all extensions";
3665	for my $pkg (@EXTS) {	4110	for my $pkg (@EXTS) {
3666	warn "... unloading $pkg";	4111	trace "... unloading $pkg";
3667		4112
3668	if (my $cb = $pkg->can ("unload")) {	4113	if (my $cb = $pkg->can ("unload")) {
3669	eval {	4114	eval {
3670	$cb->($pkg);	4115	$cb->($pkg);
3671	1	4116	1
3672	} or warn "$pkg unloaded, but with errors: $@";	4117	} or error "$pkg unloaded, but with errors: $@";
3673	}	4118	}
3674		4119
3675	warn "... clearing $pkg";	4120	trace "... clearing $pkg";
3676	clear_package $pkg;	4121	clear_package $pkg;
3677	}	4122	}
3678		4123
3679	warn "unloading all perl modules loaded from $LIBDIR";	4124	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3680	while (my ($k, $v) = each %INC) {	4125	while (my ($k, $v) = each %INC) {
3681	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4126	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3682		4127
3683	warn "... unloading $k";	4128	trace "... unloading $k";
3684	delete $INC{$k};	4129	delete $INC{$k};
3685		4130
3686	$k =~ s/\.pm$//;	4131	$k =~ s/\.pm$//;
3687	$k =~ s/\//::/g;	4132	$k =~ s/\//::/g;
3688		4133
…		…
3691	}	4136	}
3692		4137
3693	clear_package $k;	4138	clear_package $k;
3694	}	4139	}
3695		4140
3696	warn "getting rid of safe::, as good as possible";	4141	trace "perl_reload: getting rid of safe::, as good as possible";
3697	clear_package "safe::$_"	4142	clear_package "safe::$_"
3698	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	4143	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
3699		4144
3700	warn "unloading cf.pm \"a bit\"";	4145	trace "perl_reload: unloading cf.pm \"a bit\"";
3701	delete $INC{"cf.pm"};	4146	delete $INC{"cf.pm"};
3702	delete $INC{"cf/pod.pm"};	4147	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3703		4148
3704	# don't, removes xs symbols, too,	4149	# don't, removes xs symbols, too,
3705	# and global variables created in xs	4150	# and global variables created in xs
3706	#clear_package __PACKAGE__;	4151	#clear_package __PACKAGE__;
3707		4152
3708	warn "unload completed, starting to reload now";	4153	info "perl_reload: unload completed, starting to reload now";
3709		4154
3710	warn "reloading cf.pm";	4155	trace "perl_reload: reloading cf.pm";
3711	require cf;	4156	require cf;
3712	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4157	cf::_connect_to_perl_1;
3713		4158
3714	warn "loading config and database again";	4159	trace "perl_reload: loading config and database again";
3715	cf::reload_config;	4160	cf::reload_config;
3716		4161
3717	warn "loading extensions";	4162	trace "perl_reload: loading extensions";
3718	cf::load_extensions;	4163	cf::load_extensions;
3719		4164
		4165	if ($REATTACH_ON_RELOAD) {
3720	warn "reattaching attachments to objects/players";	4166	trace "perl_reload: reattaching attachments to objects/players";
3721	_global_reattach; # objects, sockets	4167	_global_reattach; # objects, sockets
3722	warn "reattaching attachments to maps";	4168	trace "perl_reload: reattaching attachments to maps";
3723	reattach $_ for values %MAP;	4169	reattach $_ for values %MAP;
3724	warn "reattaching attachments to players";	4170	trace "perl_reload: reattaching attachments to players";
3725	reattach $_ for values %PLAYER;	4171	reattach $_ for values %PLAYER;
		4172	}
3726		4173
3727	warn "leaving sync_job";	4174	cf::_post_init 1;
		4175
		4176	trace "perl_reload: leaving sync_job";
3728		4177
3729	1	4178	1
3730	} or do {	4179	} or do {
3731	warn $@;	4180	error $@;
3732	cf::cleanup "error while reloading, exiting.";	4181	cf::cleanup "perl_reload: error, exiting.";
3733	};	4182	};
3734		4183
3735	warn "reloaded";
3736	--$RELOAD;	4184	--$RELOAD;
3737	}	4185	}
		4186
		4187	$t1 = AE::time - $t1;
		4188	info "perl_reload: completed in ${t1}s\n";
3738	};	4189	};
3739		4190
3740	our $RELOAD_WATCHER; # used only during reload	4191	our $RELOAD_WATCHER; # used only during reload
3741		4192
3742	sub reload_perl() {	4193	sub reload_perl() {
3743	# doing reload synchronously and two reloads happen back-to-back,	4194	# doing reload synchronously and two reloads happen back-to-back,
3744	# coro crashes during coro_state_free->destroy here.	4195	# coro crashes during coro_state_free->destroy here.
3745		4196
		4197	$RELOAD_WATCHER ||= cf::async {
		4198	Coro::AIO::aio_wait cache_extensions;
		4199
3746	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4200	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3747	do_reload_perl;	4201	do_reload_perl;
3748	undef $RELOAD_WATCHER;	4202	undef $RELOAD_WATCHER;
		4203	};
3749	};	4204	};
3750	}	4205	}
3751		4206
3752	register_command "reload" => sub {	4207	register_command "reload" => sub {
3753	my ($who, $arg) = @_;	4208	my ($who, $arg) = @_;
…		…
3759	reload_perl;	4214	reload_perl;
3760	};	4215	};
3761	}	4216	}
3762	};	4217	};
3763		4218
3764	unshift @INC, $LIBDIR;	4219	#############################################################################
3765		4220
3766	my $bug_warning = 0;	4221	my $bug_warning = 0;
3767		4222
3768	our @WAIT_FOR_TICK;
3769	our @WAIT_FOR_TICK_BEGIN;
3770
3771	sub wait_for_tick {	4223	sub wait_for_tick() {
3772	return if tick_inhibit || $Coro::current == $Coro::main;	4224	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3773		4225
3774	my $signal = new Coro::Signal;	4226	$WAIT_FOR_TICK->wait;
3775	push @WAIT_FOR_TICK, $signal;
3776	$signal->wait;
3777	}	4227	}
3778		4228
3779	sub wait_for_tick_begin {	4229	sub wait_for_tick_begin() {
3780	return if tick_inhibit || $Coro::current == $Coro::main;	4230	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3781		4231
3782	my $signal = new Coro::Signal;	4232	my $signal = new Coro::Signal;
3783	push @WAIT_FOR_TICK_BEGIN, $signal;	4233	push @WAIT_FOR_TICK_BEGIN, $signal;
3784	$signal->wait;	4234	$signal->wait;
3785	}	4235	}
…		…
3789	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4239	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3790	unless ++$bug_warning > 10;	4240	unless ++$bug_warning > 10;
3791	return;	4241	return;
3792	}	4242	}
3793		4243
3794	cf::server_tick; # one server iteration	4244	cf::one_tick; # one server iteration
		4245
		4246	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3795		4247
3796	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4248	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3797	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;	4249	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
3798	Coro::async_pool {	4250	Coro::async_pool {
3799	$Coro::current->{desc} = "runtime saver";	4251	$Coro::current->{desc} = "runtime saver";
3800	write_runtime_sync	4252	write_runtime_sync
3801	or warn "ERROR: unable to write runtime file: $!";	4253	or error "ERROR: unable to write runtime file: $!";
3802	};	4254	};
3803	}	4255	}
3804		4256
3805	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4257	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3806	$sig->send;	4258	$sig->send;
3807	}	4259	}
3808	while (my $sig = shift @WAIT_FOR_TICK) {	4260	$WAIT_FOR_TICK->broadcast;
3809	$sig->send;
3810	}
3811		4261
3812	$LOAD = ($NOW - $TICK_START) / $TICK;	4262	$LOAD = ($NOW - $TICK_START) / $TICK;
3813	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4263	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3814		4264
3815	if (0) {	4265	if (0) {
3816	if ($NEXT_TICK) {	4266	if ($NEXT_TICK) {
3817	my $jitter = $TICK_START - $NEXT_TICK;	4267	my $jitter = $TICK_START - $NEXT_TICK;
3818	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4268	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3819	warn "jitter $JITTER\n";#d#	4269	debug "jitter $JITTER\n";#d#
3820	}	4270	}
3821	}	4271	}
3822	}	4272	}
3823		4273
3824	{	4274	{
3825	# configure BDB	4275	# configure BDB
		4276	info "initialising database";
3826		4277
3827	BDB::min_parallel 8;	4278	BDB::min_parallel 16;
3828	BDB::max_poll_reqs $TICK * 0.1;	4279	BDB::max_poll_reqs $TICK * 0.1;
3829	$AnyEvent::BDB::WATCHER->priority (1);	4280	#$AnyEvent::BDB::WATCHER->priority (1);
3830		4281
3831	unless ($DB_ENV) {	4282	unless ($DB_ENV) {
3832	$DB_ENV = BDB::db_env_create;	4283	$DB_ENV = BDB::db_env_create;
3833	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4284	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3834	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;	4285	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
…		…
3859	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4310	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3860	};	4311	};
3861	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4312	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3862	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4313	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3863	};	4314	};
		4315
		4316	info "database initialised";
3864	}	4317	}
3865		4318
3866	{	4319	{
3867	# configure IO::AIO	4320	# configure IO::AIO
3868		4321
		4322	info "initialising aio";
3869	IO::AIO::min_parallel 8;	4323	IO::AIO::min_parallel 8;
3870	IO::AIO::max_poll_time $TICK * 0.1;	4324	IO::AIO::max_poll_time $TICK * 0.1;
3871	undef $AnyEvent::AIO::WATCHER;	4325	undef $AnyEvent::AIO::WATCHER;
		4326	info "aio initialised";
3872	}	4327	}
3873		4328
3874	my $_log_backtrace;	4329	our $_log_backtrace;
		4330	our $_log_backtrace_last;
3875		4331
3876	sub _log_backtrace {	4332	sub _log_backtrace {
3877	my ($msg, @addr) = @_;	4333	my ($msg, @addr) = @_;
3878		4334
3879	$msg =~ s/\n//;	4335	$msg =~ s/\n$//;
3880		4336
		4337	if ($_log_backtrace_last eq $msg) {
		4338	LOG llevInfo, "[ABT] $msg\n";
		4339	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3881	# limit the # of concurrent backtraces	4340	# limit the # of concurrent backtraces
3882	if ($_log_backtrace < 2) {	4341	} elsif ($_log_backtrace < 2) {
		4342	$_log_backtrace_last = $msg;
3883	++$_log_backtrace;	4343	++$_log_backtrace;
		4344	my $perl_bt = Carp::longmess $msg;
3884	async {	4345	async {
3885	$Coro::current->{desc} = "abt $msg";	4346	$Coro::current->{desc} = "abt $msg";
3886		4347
3887	my @bt = fork_call {	4348	my @bt = fork_call {
3888	@addr = map { sprintf "%x", $_ } @addr;	4349	@addr = map { sprintf "%x", $_ } @addr;
…		…
3899	}	4360	}
3900		4361
3901	@funcs	4362	@funcs
3902	};	4363	};
3903		4364
3904	LOG llevInfo, "[ABT] $msg\n";	4365	LOG llevInfo, "[ABT] $perl_bt\n";
		4366	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3905	LOG llevInfo, "[ABT] $_\n" for @bt;	4367	LOG llevInfo, "[ABT] $_\n" for @bt;
3906	--$_log_backtrace;	4368	--$_log_backtrace;
3907	};	4369	};
3908	} else {	4370	} else {
3909	LOG llevInfo, "[ABT] $msg\n";	4371	LOG llevInfo, "[ABT] $msg\n";
3910	LOG llevInfo, "[ABT] [suppressed]\n";	4372	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3911	}	4373	}
3912	}	4374	}
3913		4375
3914	# load additional modules	4376	# load additional modules
3915	use cf::pod;	4377	require "cf/$_.pm" for @EXTRA_MODULES;
		4378	cf::_connect_to_perl_2;
3916		4379
3917	END { cf::emergency_save }	4380	END { cf::emergency_save }
3918		4381
3919	1	4382	1
3920		4383

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