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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.440 by root, Mon Aug 11 23:23:41 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 utf8;	25	use common::sense;
25	use strict;
26		26
27	use Symbol;	27	use Symbol;
28	use List::Util;	28	use List::Util;
29	use Socket;	29	use Socket;
30	use EV;	30	use EV;
31	use Opcode;	31	use Opcode;
32	use Safe;	32	use Safe;
33	use Safe::Hole;	33	use Safe::Hole;
34	use Storable ();	34	use Storable ();
		35	use Carp ();
		36
		37	use AnyEvent ();
		38	use AnyEvent::IO ();
		39	use AnyEvent::DNS ();
35		40
36	use Coro ();	41	use Coro ();
37	use Coro::State;	42	use Coro::State;
38	use Coro::Handle;	43	use Coro::Handle;
		44	use Coro::EV;
39	use Coro::AnyEvent;	45	use Coro::AnyEvent;
40	use Coro::Timer;	46	use Coro::Timer;
41	use Coro::Signal;	47	use Coro::Signal;
42	use Coro::Semaphore;	48	use Coro::Semaphore;
		49	use Coro::SemaphoreSet;
43	use Coro::AnyEvent;	50	use Coro::AnyEvent;
44	use Coro::AIO;	51	use Coro::AIO;
45	use Coro::BDB 1.6;	52	use Coro::BDB 1.6;
46	use Coro::Storable;	53	use Coro::Storable;
47	use Coro::Util ();	54	use Coro::Util ();
48		55
		56	use Guard ();
49	use JSON::XS 2.01 ();	57	use JSON::XS 2.01 ();
50	use BDB ();	58	use BDB ();
51	use Data::Dumper;	59	use Data::Dumper;
52	use Digest::MD5;
53	use Fcntl;	60	use Fcntl;
54	use YAML ();	61	use YAML::XS ();
55	use IO::AIO ();	62	use IO::AIO ();
56	use Time::HiRes;	63	use Time::HiRes;
57	use Compress::LZF;	64	use Compress::LZF;
58	use Digest::MD5 ();	65	use Digest::MD5 ();
59		66
…		…
61		68
62	# configure various modules to our taste	69	# configure various modules to our taste
63	#	70	#
64	$Storable::canonical = 1; # reduce rsync transfers	71	$Storable::canonical = 1; # reduce rsync transfers
65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	72	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		73
		74	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		75
		76	# make sure c-lzf reinitialises itself
		77	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	78	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
67		79
68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	80	# strictly for debugging
		81	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
69		82
70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	83	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		84
		85	our @ORIG_INC;
71		86
72	our %COMMAND = ();	87	our %COMMAND = ();
73	our %COMMAND_TIME = ();	88	our %COMMAND_TIME = ();
74		89
75	our @EXTS = (); # list of extension package names	90	our @EXTS = (); # list of extension package names
76	our %EXTCMD = ();	91	our %EXTCMD = ();
77	our %EXTICMD = ();	92	our %EXTICMD = ();
78	our %EXT_CORO = (); # coroutines bound to extensions	93	our %EXT_CORO = (); # coroutines bound to extensions
79	our %EXT_MAP = (); # pluggable maps	94	our %EXT_MAP = (); # pluggable maps
80		95
81	our $RELOAD; # number of reloads so far	96	our $RELOAD; # number of reloads so far, non-zero while in reload
82	our @EVENT;	97	our @EVENT;
		98	our @REFLECT; # set by XS
		99	our %REFLECT; # set by us
83		100
84	our $CONFDIR = confdir;	101	our $CONFDIR = confdir;
		102
85	our $DATADIR = datadir;	103	our $DATADIR = datadir;
86	our $LIBDIR = "$DATADIR/ext";	104	our $LIBDIR = "$DATADIR/ext";
87	our $PODDIR = "$DATADIR/pod";	105	our $PODDIR = "$DATADIR/pod";
88	our $MAPDIR = "$DATADIR/" . mapdir;	106	our $MAPDIR = "$DATADIR/" . mapdir;
		107
89	our $LOCALDIR = localdir;	108	our $LOCALDIR = localdir;
90	our $TMPDIR = "$LOCALDIR/" . tmpdir;	109	our $TMPDIR = "$LOCALDIR/" . tmpdir;
91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;	110	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;	111	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
93	our $RANDOMDIR = "$LOCALDIR/random";	112	our $RANDOMDIR = "$LOCALDIR/random";
94	our $BDBDIR = "$LOCALDIR/db";	113	our $BDBDIR = "$LOCALDIR/db";
95	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;
96		124
97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	125	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	126	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
99	our $NEXT_TICK;	127	our $NEXT_TICK;
100	our $USE_FSYNC = 1; # use fsync to write maps - default off	128	our $USE_FSYNC = 1; # use fsync to write maps - default on
101		129
102	our $BDB_DEADLOCK_WATCHER;	130	our $BDB_DEADLOCK_WATCHER;
103	our $BDB_CHECKPOINT_WATCHER;	131	our $BDB_CHECKPOINT_WATCHER;
104	our $BDB_TRICKLE_WATCHER;	132	our $BDB_TRICKLE_WATCHER;
105	our $DB_ENV;	133	our $DB_ENV;
106		134
		135	our @EXTRA_MODULES = qw(pod match mapscript incloader);
		136
107	our %CFG;	137	our %CFG;
		138	our %EXT_CFG; # cfgkeyname => [var-ref, defaultvalue]
108		139
109	our $UPTIME; $UPTIME ||= time;	140	our $UPTIME; $UPTIME ||= time;
110	our $RUNTIME;	141	our $RUNTIME = 0;
		142	our $SERVER_TICK = 0;
111	our $NOW;	143	our $NOW;
112		144
113	our (%PLAYER, %PLAYER_LOADING); # all users	145	our (%PLAYER, %PLAYER_LOADING); # all users
114	our (%MAP, %MAP_LOADING ); # all maps	146	our (%MAP, %MAP_LOADING ); # all maps
115	our $LINK_MAP; # the special {link} map, which is always available	147	our $LINK_MAP; # the special {link} map, which is always available
…		…
120	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)
121	our $LOADAVG; # same thing, but with alpha-smoothing	153	our $LOADAVG; # same thing, but with alpha-smoothing
122	our $JITTER; # average jitter	154	our $JITTER; # average jitter
123	our $TICK_START; # for load detecting purposes	155	our $TICK_START; # for load detecting purposes
124		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 $WAIT_FOR_TICK = new Coro::Signal;
		163	our @WAIT_FOR_TICK_BEGIN;
		164
125	binmode STDOUT;	165	binmode STDOUT;
126	binmode STDERR;	166	binmode STDERR;
127		167
128	# read virtual server time, if available	168	# read virtual server time, if available
129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {	169	unless ($RUNTIME || !-e $RUNTIMEFILE) {
130	open my $fh, "<", "$LOCALDIR/runtime"	170	open my $fh, "<", $RUNTIMEFILE
131	or die "unable to read runtime file: $!";	171	or die "unable to read $RUNTIMEFILE file: $!";
132	$RUNTIME = <$fh> + 0.;	172	$RUNTIME = <$fh> + 0.;
133	}	173	}
		174
		175	eval "sub TICK() { $TICK } 1" or die;
134		176
135	mkdir $_	177	mkdir $_
136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;	178	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
137		179
138	our $EMERGENCY_POSITION;	180	our $EMERGENCY_POSITION;
139		181
140	sub cf::map::normalise;	182	sub cf::map::normalise;
141		183
		184	sub in_main() {
		185	$Coro::current == $Coro::main
		186	}
		187
142	#############################################################################	188	#############################################################################
143		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
144	=head2 GLOBAL VARIABLES	201	=head2 GLOBAL VARIABLES
145		202
146	=over 4	203	=over 4
147		204
148	=item $cf::UPTIME	205	=item $cf::UPTIME
149		206
150	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.
151		223
152	=item $cf::RUNTIME	224	=item $cf::RUNTIME
153		225
154	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
155	every server tick.	227	every server tick.
156		228
157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR	229	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR	230	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR	231	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
160		232
161	Various directories - "/etc", read-only install directory, perl-library	233	Various directories - "/etc", read-only install directory, perl-library
162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",	234	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
163	unique-items directory, player file directory, random maps directory and	235	unique-items directory, player file directory, random maps directory and
164	database environment.	236	database environment.
165		237
166	=item $cf::NOW
167
168	The time of the last (current) server tick.
169
170	=item $cf::TICK
171
172	The interval between server ticks, in seconds.
173
174	=item $cf::LOADAVG	238	=item $cf::LOADAVG
175		239
176	The current CPU load on the server (alpha-smoothed), as a value between 0	240	The current CPU load on the server (alpha-smoothed), as a value between 0
177	(none) and 1 (overloaded), indicating how much time is spent on processing	241	(none) and 1 (overloaded), indicating how much time is spent on processing
178	objects per tick. Healthy values are < 0.5.	242	objects per tick. Healthy values are < 0.5.
…		…
187	from wherever your confdir points to.	251	from wherever your confdir points to.
188		252
189	=item cf::wait_for_tick, cf::wait_for_tick_begin	253	=item cf::wait_for_tick, cf::wait_for_tick_begin
190		254
191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	255	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
192	returns directly I<after> the tick processing (and consequently, can only wake one process	256	returns directly I<after> the tick processing (and consequently, can only wake one thread
193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	257	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
194		258
		259	Note that cf::Wait_for_tick will immediately return when the server is not
		260	ticking, making it suitable for small pauses in threads that need to run
		261	when the server is paused. If that is not applicable (i.e. you I<really>
		262	want to wait, use C<$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
195	=item @cf::INVOKE_RESULTS	276	=item @cf::INVOKE_RESULTS
196		277
197	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
198	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
199	that call.	280	that call.
200		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
201	=back	288	=back
202		289
203	=cut	290	=cut
204		291
205	BEGIN {	292	sub error(@) { LOG llevError, join "", @_ }
206	*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 {
207	my $msg = join "", @_;	299	my $msg = join "", @_;
208		300
209	$msg .= "\n"	301	$msg .= "\n"
210	unless $msg =~ /\n$/;	302	unless $msg =~ /\n$/;
211		303
212	$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;
213		305
214	LOG llevError, $msg;	306	LOG llevWarn, $msg;
215	};	307	};
216	}
217		308
218	$Coro::State::DIEHOOK = sub {	309	$Coro::State::DIEHOOK = sub {
219	return unless $^S eq 0; # "eq", not "=="	310	return unless $^S eq 0; # "eq", not "=="
220		311
221	if ($Coro::current == $Coro::main) {#d#	312	error Carp::longmess $_[0];
		313
		314	if (in_main) {#d#
222	warn "DIEHOOK called in main context, Coro bug?\n";#d#	315	error "DIEHOOK called in main context, Coro bug?\n";#d#
223	return;#d#	316	return;#d#
224	}#d#	317	}#d#
225		318
226	# kill coroutine otherwise	319	# kill coroutine otherwise
227	warn Carp::longmess $_[0];
228	Coro::terminate	320	Coro::terminate
229	};	321	};
230
231	$SIG{__DIE__} = sub { }; #d#?
232		322
233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	323	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	324	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	325	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	326	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
…		…
246	cf::client cf::player	336	cf::client cf::player
247	cf::arch cf::living	337	cf::arch cf::living
248	cf::map cf::mapspace	338	cf::map cf::mapspace
249	cf::party cf::region	339	cf::party cf::region
250	)) {	340	)) {
251	no strict 'refs';
252	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	341	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
253	}	342	}
254		343
255	$EV::DIED = sub {	344	$EV::DIED = sub {
256	warn "error in event callback: @_";	345	warn "error in event callback: $@";
257	};	346	};
		347
		348	#############################################################################
		349
		350	sub fork_call(&@);
		351	sub get_slot($;$$);
258		352
259	#############################################################################	353	#############################################################################
260		354
261	=head2 UTILITY FUNCTIONS	355	=head2 UTILITY FUNCTIONS
262		356
…		…
283	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	377	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
284	$d	378	$d
285	} || "[unable to dump $_[0]: '$@']";	379	} || "[unable to dump $_[0]: '$@']";
286	}	380	}
287		381
		382	=item $scalar = cf::load_file $path
		383
		384	Loads the given file from path and returns its contents. Croaks on error
		385	and can block.
		386
		387	=cut
		388
		389	sub load_file($) {
		390	0 <= aio_load $_[0], my $data
		391	or Carp::croak "$_[0]: $!";
		392
		393	$data
		394	}
		395
		396	=item $success = cf::replace_file $path, $data, $sync
		397
		398	Atomically replaces the file at the given $path with new $data, and
		399	optionally $sync the data to disk before replacing the file.
		400
		401	=cut
		402
		403	sub replace_file($$;$) {
		404	my ($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
288	=item $ref = cf::decode_json $json	434	=item $ref = cf::decode_json $json
289		435
290	Converts a JSON string into the corresponding perl data structure.	436	Converts a JSON string into the corresponding perl data structure.
291		437
292	=item $json = cf::encode_json $ref	438	=item $json = cf::encode_json $ref
…		…
298	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max	444	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
299		445
300	sub encode_json($) { $json_coder->encode ($_[0]) }	446	sub encode_json($) { $json_coder->encode ($_[0]) }
301	sub decode_json($) { $json_coder->decode ($_[0]) }	447	sub decode_json($) { $json_coder->decode ($_[0]) }
302		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
303	=item cf::lock_wait $string	511	=item cf::lock_wait $string
304		512
305	Wait until the given lock is available. See cf::lock_acquire.	513	Wait until the given lock is available. See cf::lock_acquire.
306		514
307	=item my $lock = cf::lock_acquire $string	515	=item my $lock = cf::lock_acquire $string
308		516
309	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
310	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,
311	for example when the coroutine gets canceled), the lock is automatically	519	for example when the coroutine gets canceled), the lock is automatically
312	returned.	520	returned.
313		521
314	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
315	deadlocked coro.	523	deadlocked coro.
…		…
321		529
322	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.
323		531
324	=cut	532	=cut
325		533
326	our %LOCK;	534	our $LOCKS = new Coro::SemaphoreSet;
327	our %LOCKER;#d#
328		535
329	sub lock_wait($) {	536	sub lock_wait($) {
330	my ($key) = @_;	537	$LOCKS->wait ($_[0]);
331
332	if ($LOCKER{$key} == $Coro::current) {#d#
333	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
334	return;#d#
335	}#d#
336
337	# wait for lock, if any
338	while ($LOCK{$key}) {
339	push @{ $LOCK{$key} }, $Coro::current;
340	Coro::schedule;
341	}
342	}	538	}
343		539
344	sub lock_acquire($) {	540	sub lock_acquire($) {
345	my ($key) = @_;	541	$LOCKS->guard ($_[0])
346
347	# wait, to be sure we are not locked
348	lock_wait $key;
349
350	$LOCK{$key} = [];
351	$LOCKER{$key} = $Coro::current;#d#
352
353	Coro::guard {
354	delete $LOCKER{$key};#d#
355	# wake up all waiters, to be on the safe side
356	$_->ready for @{ delete $LOCK{$key} };
357	}
358	}	542	}
359		543
360	sub lock_active($) {	544	sub lock_active($) {
361	my ($key) = @_;	545	$LOCKS->count ($_[0]) < 1
362
363	! ! $LOCK{$key}
364	}	546	}
365		547
366	sub freeze_mainloop {	548	sub freeze_mainloop {
367	tick_inhibit_inc;	549	tick_inhibit_inc;
368		550
369	Coro::guard \&tick_inhibit_dec;	551	&Guard::guard (\&tick_inhibit_dec);
370	}	552	}
371		553
372	=item cf::periodic $interval, $cb	554	=item cf::periodic $interval, $cb
373		555
374	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
375	get spread over timer.	557	get spread over time.
376		558
377	=cut	559	=cut
378		560
379	sub periodic($$) {	561	sub periodic($$) {
380	my ($interval, $cb) = @_;	562	my ($interval, $cb) = @_;
…		…
384	EV::periodic $start, $interval, 0, $cb	566	EV::periodic $start, $interval, 0, $cb
385	}	567	}
386		568
387	=item cf::get_slot $time[, $priority[, $name]]	569	=item cf::get_slot $time[, $priority[, $name]]
388		570
389	Allocate $time seconds of blocking CPU time at priority C<$priority>:	571	Allocate $time seconds of blocking CPU time at priority C<$priority>
390	This call blocks and returns only when you have at least C<$time> seconds	572	(default: 0): This call blocks and returns only when you have at least
391	of cpu time till the next tick. The slot is only valid till the next cede.	573	C<$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.
392		578
393	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
394	used for statistical purposes and should identify the same time-class.	580	used for statistical purposes and should identify the same time-class.
395		581
396	Useful for short background jobs.	582	Useful for short background jobs.
397		583
398	=cut	584	=cut
399		585
400	our @SLOT_QUEUE;	586	our @SLOT_QUEUE;
401	our $SLOT_QUEUE;	587	our $SLOT_QUEUE;
		588	our $SLOT_DECAY = 0.9;
402		589
403	$SLOT_QUEUE->cancel if $SLOT_QUEUE;	590	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
404	$SLOT_QUEUE = Coro::async {	591	$SLOT_QUEUE = Coro::async {
405	$Coro::current->desc ("timeslot manager");	592	$Coro::current->desc ("timeslot manager");
406		593
407	my $signal = new Coro::Signal;	594	my $signal = new Coro::Signal;
		595	my $busy;
408		596
409	while () {	597	while () {
410	next_job:	598	next_job:
		599
411	my $avail = cf::till_tick;	600	my $avail = cf::till_tick;
412	if ($avail > 0.01) {	601
413	for (0 .. $#SLOT_QUEUE) {	602	for (0 .. $#SLOT_QUEUE) {
414	if ($SLOT_QUEUE[$_][0] < $avail) {	603	if ($SLOT_QUEUE[$_][0] <= $avail) {
		604	$busy = 0;
415	my $job = splice @SLOT_QUEUE, $_, 1, ();	605	my $job = splice @SLOT_QUEUE, $_, 1, ();
416	$job->[2]->send;	606	$job->[2]->send;
417	Coro::cede;	607	Coro::cede;
418	goto next_job;	608	goto next_job;
419	}	609	} else {
		610	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
420	}	611	}
421	}	612	}
422		613
423	if (@SLOT_QUEUE) {	614	if (@SLOT_QUEUE) {
424	# 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
425	push @cf::WAIT_FOR_TICK, $signal;	616	$WAIT_FOR_TICK->wait;
426	$signal->wait;
427	} else {	617	} else {
		618	$busy = 0;
428	Coro::schedule;	619	Coro::schedule;
429	}	620	}
430	}	621	}
431	};	622	};
432		623
433	sub get_slot($;$$) {	624	sub get_slot($;$$) {
434	return if tick_inhibit || $Coro::current == $Coro::main;	625	return if tick_inhibit || $Coro::current == $Coro::main;
435		626
436	my ($time, $pri, $name) = @_;	627	my ($time, $pri, $name) = @_;
437		628
438	$time = $TICK * .6 if $time > $TICK * .6;	629	$time = clamp $time, 0.01, $TICK * .6;
		630
439	my $sig = new Coro::Signal;	631	my $sig = new Coro::Signal;
440		632
441	push @SLOT_QUEUE, [$time, $pri, $sig, $name];	633	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
442	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;	634	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
443	$SLOT_QUEUE->ready;	635	$SLOT_QUEUE->ready;
…		…
469	=cut	661	=cut
470		662
471	sub sync_job(&) {	663	sub sync_job(&) {
472	my ($job) = @_;	664	my ($job) = @_;
473		665
474	if ($Coro::current == $Coro::main) {	666	if (in_main) {
475	my $time = EV::time;	667	my $time = AE::time;
476		668
477	# this is the main coro, too bad, we have to block	669	# this is the main coro, too bad, we have to block
478	# till the operation succeeds, freezing the server :/	670	# till the operation succeeds, freezing the server :/
479		671
480	LOG llevError, Carp::longmess "sync job";#d#	672	#LOG llevError, Carp::longmess "sync job";#d#
481		673
482	my $freeze_guard = freeze_mainloop;	674	my $freeze_guard = freeze_mainloop;
483		675
484	my $busy = 1;	676	my $busy = 1;
485	my @res;	677	my @res;
486		678
487	(async {	679	(async {
488	$Coro::current->desc ("sync job coro");	680	$Coro::current->desc ("sync job coro");
489	@res = eval { $job->() };	681	@res = eval { $job->() };
490	warn $@ if $@;	682	error $@ if $@;
491	undef $busy;	683	undef $busy;
492	})->prio (Coro::PRIO_MAX);	684	})->prio (Coro::PRIO_MAX);
493		685
494	while ($busy) {	686	while ($busy) {
495	if (Coro::nready) {	687	if (Coro::nready) {
…		…
497	} else {	689	} else {
498	EV::loop EV::LOOP_ONESHOT;	690	EV::loop EV::LOOP_ONESHOT;
499	}	691	}
500	}	692	}
501		693
502	my $time = EV::time - $time;	694	my $time = AE::time - $time;
503		695
504	$TICK_START += $time; # do not account sync jobs to server load	696	$TICK_START += $time; # do not account sync jobs to server load
505		697
506	wantarray ? @res : $res[0]	698	wantarray ? @res : $res[0]
507	} else {	699	} else {
…		…
529	$EXT_CORO{$coro+0} = $coro;	721	$EXT_CORO{$coro+0} = $coro;
530		722
531	$coro	723	$coro
532	}	724	}
533		725
534	=item fork_call { }, $args	726	=item fork_call { }, @args
535		727
536	Executes the given code block with the given arguments in a seperate	728	Executes the given code block with the given arguments in a seperate
537	process, returning the results. Everything must be serialisable with	729	process, returning the results. Everything must be serialisable with
538	Coro::Storable. May, of course, block. Note that the executed sub may	730	Coro::Storable. May, of course, block. Note that the executed sub may
539	never block itself or use any form of event handling.	731	never block itself or use any form of event handling.
540		732
541	=cut	733	=cut
542		734
		735	sub post_fork {
		736	reset_signals;
		737	}
		738
543	sub fork_call(&@) {	739	sub fork_call(&@) {
544	my ($cb, @args) = @_;	740	my ($cb, @args) = @_;
545		741
546	# we seemingly have to make a local copy of the whole thing,	742	# we seemingly have to make a local copy of the whole thing,
547	# otherwise perl prematurely frees the stuff :/	743	# otherwise perl prematurely frees the stuff :/
548	# TODO: investigate and fix (likely this will be rather laborious)	744	# TODO: investigate and fix (likely this will be rather laborious)
549		745
550	my @res = Coro::Util::fork_eval {	746	my @res = Coro::Util::fork_eval {
551	reset_signals;	747	cf::post_fork;
552	&$cb	748	&$cb
553	}, @args;	749	} @args;
554		750
555	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	)
556	}	763	}
557		764
558	=item $coin = coin_from_name $name	765	=item $coin = coin_from_name $name
559		766
560	=cut	767	=cut
…		…
597	within each server.	804	within each server.
598		805
599	=cut	806	=cut
600		807
601	sub db_table($) {	808	sub db_table($) {
		809	cf::error "db_get called from main context"
		810	if $Coro::current == $Coro::main;
		811
602	my ($name) = @_;	812	my ($name) = @_;
603	my $db = BDB::db_create $DB_ENV;	813	my $db = BDB::db_create $DB_ENV;
604		814
605	eval {	815	eval {
606	$db->set_flags (BDB::CHKSUM);	816	$db->set_flags (BDB::CHKSUM);
…		…
616	}	826	}
617		827
618	our $DB;	828	our $DB;
619		829
620	sub db_init {	830	sub db_init {
621	cf::sync_job {
622	$DB ||= db_table "db";	831	$DB ||= db_table "db";
623	};
624	}	832	}
625		833
626	sub db_get($$) {	834	sub db_get($$) {
627	my $key = "$_[0]/$_[1]";	835	my $key = "$_[0]/$_[1]";
628		836
629	cf::sync_job {	837	cf::error "db_get called from main context"
		838	if $Coro::current == $Coro::main;
		839
630	BDB::db_get $DB, undef, $key, my $data;	840	BDB::db_get $DB, undef, $key, my $data;
631		841
632	$! ? ()	842	$! ? ()
633	: $data	843	: $data
634	}
635	}	844	}
636		845
637	sub db_put($$$) {	846	sub db_put($$$) {
638	BDB::dbreq_pri 4;	847	BDB::dbreq_pri 4;
639	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };	848	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
…		…
667		876
668	my @data;	877	my @data;
669	my $md5;	878	my $md5;
670		879
671	for (0 .. $#$src) {	880	for (0 .. $#$src) {
672	0 <= aio_load $src->[$_], $data[$_]	881	$data[$_] = load_file $src->[$_];
673	or Carp::croak "$src->[$_]: $!";
674	}	882	}
675		883
676	# if processing is expensive, check	884	# if processing is expensive, check
677	# checksum first	885	# checksum first
678	if (1) {	886	if (1) {
…		…
695		903
696	my $t1 = Time::HiRes::time;	904	my $t1 = Time::HiRes::time;
697	my $data = $process->(\@data);	905	my $data = $process->(\@data);
698	my $t2 = Time::HiRes::time;	906	my $t2 = Time::HiRes::time;
699		907
700	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";	908	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
701		909
702	db_put cache => "$id/data", $data;	910	db_put cache => "$id/data", $data;
703	db_put cache => "$id/md5" , $md5;	911	db_put cache => "$id/md5" , $md5;
704	db_put cache => "$id/meta", $meta;	912	db_put cache => "$id/meta", $meta;
705		913
…		…
715		923
716	=cut	924	=cut
717		925
718	sub datalog($@) {	926	sub datalog($@) {
719	my ($type, %kv) = @_;	927	my ($type, %kv) = @_;
720	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });	928	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
721	}	929	}
722		930
723	=back	931	=back
724		932
725	=cut	933	=cut
726		934
727	#############################################################################	935	#############################################################################
728		936
729	=head2 ATTACHABLE OBJECTS	937	=head2 ATTACHABLE OBJECTS
730		938
731	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
732	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")
733	to it. All such attachable objects support the following methods.	941	to it. All such attachable objects support the following methods.
734		942
735	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>
736	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
…		…
786	=item cf::CLASS::attachment $name, ...	994	=item cf::CLASS::attachment $name, ...
787		995
788	Register an attachment by C<$name> through which attachable objects of the	996	Register an attachment by C<$name> through which attachable objects of the
789	given CLASS can refer to this attachment.	997	given CLASS can refer to this attachment.
790		998
791	Some classes such as crossfire maps and objects can specify attachments	999	Some classes such as deliantra maps and objects can specify attachments
792	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.
793		1001
794	These calls expect any number of the following handler/hook descriptions:	1002	These calls expect any number of the following handler/hook descriptions:
795		1003
796	=over 4	1004	=over 4
…		…
920		1128
921	} elsif (exists $cb_id{$type}) {	1129	} elsif (exists $cb_id{$type}) {
922	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1130	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
923		1131
924	} elsif (ref $type) {	1132	} elsif (ref $type) {
925	warn "attaching objects not supported, ignoring.\n";	1133	error "attaching objects not supported, ignoring.\n";
926		1134
927	} else {	1135	} else {
928	shift @arg;	1136	shift @arg;
929	warn "attach argument '$type' not supported, ignoring.\n";	1137	error "attach argument '$type' not supported, ignoring.\n";
930	}	1138	}
931	}	1139	}
932	}	1140	}
933		1141
934	sub _object_attach {	1142	sub _object_attach {
…		…
944	_attach $registry, $klass, @attach;	1152	_attach $registry, $klass, @attach;
945	}	1153	}
946		1154
947	$obj->{$name} = \%arg;	1155	$obj->{$name} = \%arg;
948	} else {	1156	} else {
949	warn "object uses attachment '$name' which is not available, postponing.\n";	1157	info "object uses attachment '$name' which is not available, postponing.\n";
950	}	1158	}
951		1159
952	$obj->{_attachment}{$name} = undef;	1160	$obj->{_attachment}{$name} = undef;
953	}	1161	}
954		1162
…		…
1013		1221
1014	for (@$callbacks) {	1222	for (@$callbacks) {
1015	eval { &{$_->[1]} };	1223	eval { &{$_->[1]} };
1016		1224
1017	if ($@) {	1225	if ($@) {
1018	warn "$@";
1019	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1226	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
1020	override;	1227	override;
1021	}	1228	}
1022		1229
1023	return 1 if $override;	1230	return 1 if $override;
1024	}	1231	}
…		…
1087		1294
1088	sub reattach {	1295	sub reattach {
1089	# basically do the same as instantiate, without calling instantiate	1296	# basically do the same as instantiate, without calling instantiate
1090	my ($obj) = @_;	1297	my ($obj) = @_;
1091		1298
		1299	# no longer needed after getting rid of delete_package?
1092	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1300	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
1093		1301
1094	my $registry = $obj->registry;	1302	my $registry = $obj->registry;
1095		1303
1096	@$registry = ();	1304	@$registry = ();
1097		1305
…		…
1102	for (@$attach) {	1310	for (@$attach) {
1103	my ($klass, @attach) = @$_;	1311	my ($klass, @attach) = @$_;
1104	_attach $registry, $klass, @attach;	1312	_attach $registry, $klass, @attach;
1105	}	1313	}
1106	} else {	1314	} else {
1107	warn "object uses attachment '$name' that is not available, postponing.\n";	1315	info "object uses attachment '$name' that is not available, postponing.\n";
1108	}	1316	}
1109	}	1317	}
1110	}	1318	}
1111		1319
1112	cf::attachable->attach (	1320	cf::attachable->attach (
…		…
1139	my ($filename, $rdata, $objs) = @_;	1347	my ($filename, $rdata, $objs) = @_;
1140		1348
1141	sync_job {	1349	sync_job {
1142	if (length $$rdata) {	1350	if (length $$rdata) {
1143	utf8::decode (my $decname = $filename);	1351	utf8::decode (my $decname = $filename);
1144	warn sprintf "saving %s (%d,%d)\n",	1352	trace sprintf "saving %s (%d,%d)\n",
1145	$decname, length $$rdata, scalar @$objs;	1353	$decname, length $$rdata, scalar @$objs
		1354	if $VERBOSE_IO;
1146		1355
1147	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1356	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1148	aio_chmod $fh, SAVE_MODE;	1357	aio_chmod $fh, SAVE_MODE;
1149	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1358	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1150	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	}
1151	aio_close $fh;	1363	aio_close $fh;
1152		1364
1153	if (@$objs) {	1365	if (@$objs) {
1154	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) {
1155	aio_chmod $fh, SAVE_MODE;	1367	aio_chmod $fh, SAVE_MODE;
1156	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };	1368	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1157	aio_write $fh, 0, (length $data), $data, 0;	1369	aio_write $fh, 0, (length $data), $data, 0;
1158	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	}
1159	aio_close $fh;	1374	aio_close $fh;
1160	aio_rename "$filename.pst~", "$filename.pst";	1375	aio_rename "$filename.pst~", "$filename.pst";
1161	}	1376	}
1162	} else {	1377	} else {
1163	aio_unlink "$filename.pst";	1378	aio_unlink "$filename.pst";
1164	}	1379	}
1165		1380
1166	aio_rename "$filename~", $filename;	1381	aio_rename "$filename~", $filename;
		1382
		1383	$filename =~ s%/[^/]+$%%;
		1384	aio_pathsync $filename if $cf::USE_FSYNC;
1167	} else {	1385	} else {
1168	warn "FATAL: $filename~: $!\n";	1386	error "unable to save objects: $filename~: $!\n";
1169	}	1387	}
1170	} else {	1388	} else {
1171	aio_unlink $filename;	1389	aio_unlink $filename;
1172	aio_unlink "$filename.pst";	1390	aio_unlink "$filename.pst";
1173	}	1391	}
…		…
1197	my $st = eval { Coro::Storable::thaw $av };	1415	my $st = eval { Coro::Storable::thaw $av };
1198	$av = $st->{objs};	1416	$av = $st->{objs};
1199	}	1417	}
1200		1418
1201	utf8::decode (my $decname = $filename);	1419	utf8::decode (my $decname = $filename);
1202	warn sprintf "loading %s (%d,%d)\n",	1420	trace sprintf "loading %s (%d,%d)\n",
1203	$decname, length $data, scalar @{$av || []};	1421	$decname, length $data, scalar @{$av || []}
		1422	if $VERBOSE_IO;
1204		1423
1205	($data, $av)	1424	($data, $av)
1206	}	1425	}
1207		1426
1208	=head2 COMMAND CALLBACKS	1427	=head2 COMMAND CALLBACKS
…		…
1212	=cut	1431	=cut
1213		1432
1214	#############################################################################	1433	#############################################################################
1215	# command handling &c	1434	# command handling &c
1216		1435
1217	=item cf::register_command $name => \&callback($ob,$args);	1436	=item cf::register_command $name => \&callback($ob,$args)
1218		1437
1219	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
1220	$name.	1439	$name.
1221		1440
1222	=cut	1441	=cut
…		…
1228	#warn "registering command '$name/$time' to '$caller'";	1447	#warn "registering command '$name/$time' to '$caller'";
1229		1448
1230	push @{ $COMMAND{$name} }, [$caller, $cb];	1449	push @{ $COMMAND{$name} }, [$caller, $cb];
1231	}	1450	}
1232		1451
1233	=item cf::register_extcmd $name => \&callback($pl,$packet);	1452	=item cf::register_extcmd $name => \&callback($pl,$packet)
1234		1453
1235	Register a callback for execution when the client sends an (synchronous)	1454	Register a callback for execution when the client sends an (synchronous)
1236	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
1237	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
1238	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
1239	has logged in successfully.	1458	has logged in successfully.
1240		1459
1241	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
1242	called.	1461	called.
1243		1462
1244	=item cf::register_exticmd $name => \&callback($ns,$packet);	1463	=item cf::register_exticmd $name => \&callback($ns,$packet)
1245		1464
1246	Register a callback for execution when the client sends an (asynchronous)	1465	Register a callback for execution when the client sends an (asynchronous)
1247	exticmd packet. Exti commands are processed by the server as soon as they	1466	exticmd packet. Exti commands are processed by the server as soon as they
1248	are received, i.e. out of order w.r.t. other commands. The first argument	1467	are received, i.e. out of order w.r.t. other commands. The first argument
1249	is a client socket. Exti commands can be received anytime, even before	1468	is a client socket. Exti commands can be received anytime, even before
…		…
1264	my ($name, $cb) = @_;	1483	my ($name, $cb) = @_;
1265		1484
1266	$EXTICMD{$name} = $cb;	1485	$EXTICMD{$name} = $cb;
1267	}	1486	}
1268		1487
		1488	use File::Glob ();
		1489
1269	cf::player->attach (	1490	cf::player->attach (
1270	on_command => sub {	1491	on_unknown_command => sub {
1271	my ($pl, $name, $params) = @_;	1492	my ($pl, $name, $params) = @_;
1272		1493
1273	my $cb = $COMMAND{$name}	1494	my $cb = $COMMAND{$name}
1274	or return;	1495	or return;
1275		1496
…		…
1283	my ($pl, $buf) = @_;	1504	my ($pl, $buf) = @_;
1284		1505
1285	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };	1506	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1286		1507
1287	if (ref $msg) {	1508	if (ref $msg) {
1288	my ($type, $reply, @payload) =	1509	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
1289	"ARRAY" eq ref $msg
1290	? @$msg
1291	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1292		1510
1293	my @reply;	1511	my @reply;
1294		1512
1295	if (my $cb = $EXTCMD{$type}) {	1513	if (my $cb = $EXTCMD{$type}) {
1296	@reply = $cb->($pl, @payload);	1514	@reply = $cb->($pl, @payload);
1297	}	1515	}
1298		1516
1299	$pl->ext_reply ($reply, @reply)	1517	$pl->ext_msg ("reply-$reply", @reply)
1300	if $reply;	1518	if $reply;
1301		1519
1302	} else {	1520	} else {
1303	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1521	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1304	}	1522	}
1305		1523
1306	cf::override;	1524	cf::override;
1307	},	1525	},
1308	);	1526	);
1309		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
1310	sub load_extensions {	1552	sub load_extensions {
		1553	info "loading extensions...";
		1554
		1555	%EXT_CFG = ();
		1556
1311	cf::sync_job {	1557	cf::sync_job {
1312	my %todo;	1558	my %todo;
1313		1559
1314	for my $path (<$LIBDIR/*.ext>) {	1560	for my $path (<$LIBDIR/*.ext>) {
1315	next unless -r $path;	1561	next unless -r $path;
…		…
1333		1579
1334	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }	1580	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
1335	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;	1581	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
1336		1582
1337	$ext{source} =	1583	$ext{source} =
1338	"package $pkg; use strict; use utf8;\n"	1584	"package $pkg; use common::sense;\n"
1339	. "#line 1 \"$path\"\n{\n"	1585	. "#line 1 \"$path\"\n{\n"
1340	. $source	1586	. $source
1341	. "\n};\n1";	1587	. "\n};\n1";
1342		1588
1343	$todo{$base} = \%ext;	1589	$todo{$base} = \%ext;
1344	}	1590	}
1345		1591
		1592	my $pass = 0;
1346	my %done;	1593	my %done;
1347	while (%todo) {	1594	while (%todo) {
1348	my $progress;	1595	my $progress;
1349		1596
		1597	++$pass;
		1598
		1599	ext:
1350	while (my ($k, $v) = each %todo) {	1600	while (my ($k, $v) = each %todo) {
1351	for (split /,\s*/, $v->{meta}{depends}) {	1601	for (split /,\s*/, $v->{meta}{depends}) {
1352	goto skip	1602	next ext
1353	unless exists $done{$_};	1603	unless exists $done{$_};
1354	}	1604	}
1355		1605
1356	warn "... loading '$k' into '$v->{pkg}'\n";	1606	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
1357		1607
1358	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 $@) {
1359	my $msg = $@ ? "$v->{path}: $@\n"	1620	error "$v->{path}: $@\n";
1360	: "$v->{base}: extension inactive.\n";
1361		1621
1362	if (exists $v->{meta}{mandatory}) {
1363	warn $msg;
1364	cf::cleanup "mandatory extension failed to load, exiting.";	1622	cf::cleanup "mandatory extension '$k' failed to load, exiting."
1365	}	1623	if exists $v->{meta}{mandatory};
1366		1624
1367	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;
1368	}	1634	}
1369
1370	$done{$k} = delete $todo{$k};
1371	push @EXTS, $v->{pkg};
1372	$progress = 1;
1373	}	1635	}
1374		1636
1375	skip:	1637	unless ($progress) {
1376	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"	1638	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
1377	unless $progress;	1639
		1640	while (my ($k, $v) = each %todo) {
		1641	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1642	if exists $v->{meta}{mandatory};
		1643	}
		1644
		1645	last;
		1646	}
1378	}	1647	}
1379	};	1648	};
1380	}	1649	}
1381		1650
1382	#############################################################################	1651	#############################################################################
1383		1652
1384	=back	1653	=back
1385		1654
1386	=head2 CORE EXTENSIONS	1655	=head2 CORE EXTENSIONS
1387		1656
1388	Functions and methods that extend core crossfire objects.	1657	Functions and methods that extend core deliantra objects.
1389		1658
1390	=cut	1659	=cut
1391		1660
1392	package cf::player;	1661	package cf::player;
1393		1662
…		…
1436		1705
1437	sub exists($) {	1706	sub exists($) {
1438	my ($login) = @_;	1707	my ($login) = @_;
1439		1708
1440	$cf::PLAYER{$login}	1709	$cf::PLAYER{$login}
1441	or cf::sync_job { !aio_stat path $login }	1710	or !aio_stat path $login
1442	}	1711	}
1443		1712
1444	sub find($) {	1713	sub find($) {
1445	return $cf::PLAYER{$_[0]} || do {	1714	return $cf::PLAYER{$_[0]} || do {
1446	my $login = $_[0];	1715	my $login = $_[0];
…		…
1466	$cf::PLAYER{$login} = $pl	1735	$cf::PLAYER{$login} = $pl
1467	}	1736	}
1468	}	1737	}
1469	}	1738	}
1470		1739
		1740	cf::player->attach (
		1741	on_load => sub {
		1742	my ($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
1471	sub save($) {	1753	sub save($) {
1472	my ($pl) = @_;	1754	my ($pl) = @_;
1473		1755
1474	return if $pl->{deny_save};	1756	return if $pl->{deny_save};
1475		1757
…		…
1480		1762
1481	aio_mkdir playerdir $pl, 0770;	1763	aio_mkdir playerdir $pl, 0770;
1482	$pl->{last_save} = $cf::RUNTIME;	1764	$pl->{last_save} = $cf::RUNTIME;
1483		1765
1484	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];
1485		1770
1486	$pl->save_pl ($path);	1771	$pl->save_pl ($path);
1487	cf::cede_to_tick;	1772	cf::cede_to_tick;
1488	}	1773	}
1489		1774
…		…
1521	my ($pl) = @_;	1806	my ($pl) = @_;
1522		1807
1523	my $name = $pl->ob->name;	1808	my $name = $pl->ob->name;
1524		1809
1525	$pl->{deny_save} = 1;	1810	$pl->{deny_save} = 1;
1526	$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
1527		1812
1528	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1813	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1529	$pl->deactivate;	1814	$pl->deactivate;
		1815
1530	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;
1531	$pl->ob->check_score;
1532	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1817	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1818	ext::highscore::check ($pl->ob);
		1819
1533	$pl->ns->destroy if $pl->ns;	1820	$pl->ns->destroy if $pl->ns;
1534		1821
1535	my $path = playerdir $pl;	1822	my $path = playerdir $pl;
1536	my $temp = "$path~$cf::RUNTIME~deleting~";	1823	my $temp = "$path~$cf::RUNTIME~deleting~";
1537	aio_rename $path, $temp;	1824	aio_rename $path, $temp;
…		…
1591	\@logins	1878	\@logins
1592	}	1879	}
1593		1880
1594	=item $player->maps	1881	=item $player->maps
1595		1882
		1883	=item cf::player::maps $login
		1884
1596	Returns an arrayref of map paths that are private for this	1885	Returns an arrayref of map paths that are private for this
1597	player. May block.	1886	player. May block.
1598		1887
1599	=cut	1888	=cut
1600		1889
…		…
1617	}	1906	}
1618		1907
1619	\@paths	1908	\@paths
1620	}	1909	}
1621		1910
1622	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)	1911	=item $protocol_xml = $player->expand_cfpod ($cfpod)
1623		1912
1624	Expand crossfire pod fragments into protocol xml.	1913	Expand deliantra pod fragments into protocol xml.
1625
1626	=cut
1627
1628	use re 'eval';
1629
1630	my $group;
1631	my $interior; $interior = qr{
1632	# match a pod interior sequence sans C<< >>
1633	(?:
1634	\ (.*?)\ (?{ $group = $^N })
1635	| < (??{$interior}) >
1636	)
1637	}x;
1638
1639	sub expand_cfpod {
1640	my ($self, $pod) = @_;
1641
1642	my $xml;
1643
1644	while () {
1645	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
1646	$group = $1;
1647
1648	$group =~ s/&/&amp;/g;
1649	$group =~ s/</&lt;/g;
1650
1651	$xml .= $group;
1652	} elsif ($pod =~ m%\G
1653	([BCGHITU])
1654	<
1655	(?:
1656	([^<>]*) (?{ $group = $^N })
1657	| < $interior >
1658	)
1659	>
1660	%gcsx
1661	) {
1662	my ($code, $data) = ($1, $group);
1663
1664	if ($code eq "B") {
1665	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
1666	} elsif ($code eq "I") {
1667	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
1668	} elsif ($code eq "U") {
1669	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
1670	} elsif ($code eq "C") {
1671	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
1672	} elsif ($code eq "T") {
1673	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
1674	} elsif ($code eq "G") {
1675	my ($male, $female) = split /\|/, $data;
1676	$data = $self->gender ? $female : $male;
1677	$xml .= expand_cfpod ($self, $data);
1678	} elsif ($code eq "H") {
1679	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
1680	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
1681	"")
1682	[$self->{hintmode}];
1683	} else {
1684	$xml .= "error processing '$code($data)' directive";
1685	}
1686	} else {
1687	if ($pod =~ /\G(.+)/) {
1688	warn "parse error while expanding $pod (at $1)";
1689	}
1690	last;
1691	}
1692	}
1693
1694	for ($xml) {
1695	# create single paragraphs (very hackish)
1696	s/(?<=\S)\n(?=\w)/ /g;
1697
1698	# compress some whitespace
1699	s/\s+\n/\n/g; # ws line-ends
1700	s/\n\n+/\n/g; # double lines
1701	s/^\n+//; # beginning lines
1702	s/\n+$//; # ending lines
1703	}
1704
1705	$xml
1706	}
1707
1708	no re 'eval';
1709
1710	sub hintmode {
1711	$_[0]{hintmode} = $_[1] if @_ > 1;
1712	$_[0]{hintmode}
1713	}
1714
1715	=item $player->ext_reply ($msgid, @msg)
1716
1717	Sends an ext reply to the player.
1718
1719	=cut
1720
1721	sub ext_reply($$@) {
1722	my ($self, $id, @msg) = @_;
1723
1724	$self->ns->ext_reply ($id, @msg)
1725	}
1726		1914
1727	=item $player->ext_msg ($type, @msg)	1915	=item $player->ext_msg ($type, @msg)
1728		1916
1729	Sends an ext event to the client.	1917	Sends an ext event to the client.
1730		1918
…		…
1750		1938
1751	=cut	1939	=cut
1752		1940
1753	sub find_by_path($) {	1941	sub find_by_path($) {
1754	my ($path) = @_;	1942	my ($path) = @_;
		1943
		1944	$path =~ s/^~[^\/]*//; # skip ~login
1755		1945
1756	my ($match, $specificity);	1946	my ($match, $specificity);
1757		1947
1758	for my $region (list) {	1948	for my $region (list) {
1759	if ($region->{match} && $path =~ $region->{match}) {	1949	if ($region->{match} && $path =~ $region->{match}) {
…		…
1788	sub generate_random_map {	1978	sub generate_random_map {
1789	my ($self, $rmp) = @_;	1979	my ($self, $rmp) = @_;
1790		1980
1791	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
1792		1982
1793	# mit "rum" bekleckern, nicht
1794	$self->_create_random_map (	1983	$self->_create_random_map ($rmp);
1795	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1796	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1797	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1798	$rmp->{exit_on_final_map},
1799	$rmp->{xsize}, $rmp->{ysize},
1800	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1801	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1802	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1803	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1804	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1805	(cf::region::find $rmp->{region}), $rmp->{custom}
1806	)
1807	}	1984	}
1808		1985
1809	=item cf::map->register ($regex, $prio)	1986	=item cf::map->register ($regex, $prio)
1810		1987
1811	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
…		…
1816		1993
1817	sub register {	1994	sub register {
1818	my (undef, $regex, $prio) = @_;	1995	my (undef, $regex, $prio) = @_;
1819	my $pkg = caller;	1996	my $pkg = caller;
1820		1997
1821	no strict;
1822	push @{"$pkg\::ISA"}, __PACKAGE__;	1998	push @{"$pkg\::ISA"}, __PACKAGE__;
1823		1999
1824	$EXT_MAP{$pkg} = [$prio, qr<$regex>];	2000	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1825	}	2001	}
1826		2002
1827	# also paths starting with '/'	2003	# also paths starting with '/'
1828	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];	2004	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
1829		2005
1830	sub thawer_merge {	2006	sub thawer_merge {
1831	my ($self, $merge) = @_;	2007	my ($self, $merge) = @_;
1832		2008
1833	# we have to keep some variables in memory intact	2009	# we have to keep some variables in memory intact
…		…
1838	}	2014	}
1839		2015
1840	sub normalise {	2016	sub normalise {
1841	my ($path, $base) = @_;	2017	my ($path, $base) = @_;
1842		2018
1843	$path = "$path"; # make sure its a string	2019	$path = "$path"; # make sure it's a string
1844		2020
1845	$path =~ s/\.map$//;	2021	$path =~ s/\.map$//;
1846		2022
1847	# map plan:	2023	# map plan:
1848	#	2024	#
…		…
1863	$base =~ s{[^/]+/?$}{};	2039	$base =~ s{[^/]+/?$}{};
1864	$path = "$base/$path";	2040	$path = "$base/$path";
1865	}	2041	}
1866		2042
1867	for ($path) {	2043	for ($path) {
1868	redo if s{//}{/};
1869	redo if s{/\.?/}{/};	2044	redo if s{/\.?/}{/};
1870	redo if s{/[^/]+/\.\./}{/};	2045	redo if s{/[^/]+/\.\./}{/};
1871	}	2046	}
1872		2047
1873	$path	2048	$path
…		…
1887	$self->init; # pass $1 etc.	2062	$self->init; # pass $1 etc.
1888	return $self;	2063	return $self;
1889	}	2064	}
1890	}	2065	}
1891		2066
1892	Carp::cluck "unable to resolve path '$path' (base '$base').";	2067	Carp::cluck "unable to resolve path '$path' (base '$base')";
1893	()	2068	()
1894	}	2069	}
1895		2070
		2071	# may re-bless or do other evil things
1896	sub init {	2072	sub init {
1897	my ($self) = @_;	2073	my ($self) = @_;
1898		2074
1899	$self	2075	$self
1900	}	2076	}
…		…
1931		2107
1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;	2108	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1933	"$UNIQUEDIR/$path"	2109	"$UNIQUEDIR/$path"
1934	}	2110	}
1935		2111
1936	# and all this just because we cannot iterate over
1937	# all maps in C++...
1938	sub change_all_map_light {
1939	my ($change) = @_;
1940
1941	$_->change_map_light ($change)
1942	for grep $_->outdoor, values %cf::MAP;
1943	}
1944
1945	sub decay_objects {	2112	sub decay_objects {
1946	my ($self) = @_;	2113	my ($self) = @_;
1947		2114
1948	return if $self->{deny_reset};	2115	return if $self->{deny_reset};
1949		2116
…		…
1974	$self->{load_path} = $path;	2141	$self->{load_path} = $path;
1975		2142
1976	1	2143	1
1977	}	2144	}
1978		2145
		2146	# used to laod the header of an original map
1979	sub load_header_orig {	2147	sub load_header_orig {
1980	my ($self) = @_;	2148	my ($self) = @_;
1981		2149
1982	$self->load_header_from ($self->load_path)	2150	$self->load_header_from ($self->load_path)
1983	}	2151	}
1984		2152
		2153	# used to laod the header of an instantiated map
1985	sub load_header_temp {	2154	sub load_header_temp {
1986	my ($self) = @_;	2155	my ($self) = @_;
1987		2156
1988	$self->load_header_from ($self->save_path)	2157	$self->load_header_from ($self->save_path)
1989	}	2158	}
1990		2159
		2160	# called after loading the header from an instantiated map
1991	sub prepare_temp {	2161	sub prepare_temp {
1992	my ($self) = @_;	2162	my ($self) = @_;
1993		2163
1994	$self->last_access ((delete $self->{last_access})	2164	$self->last_access ((delete $self->{last_access})
1995	|| $cf::RUNTIME); #d#	2165	|| $cf::RUNTIME); #d#
1996	# safety	2166	# safety
1997	$self->{instantiate_time} = $cf::RUNTIME	2167	$self->{instantiate_time} = $cf::RUNTIME
1998	if $self->{instantiate_time} > $cf::RUNTIME;	2168	if $self->{instantiate_time} > $cf::RUNTIME;
1999	}	2169	}
2000		2170
		2171	# called after loading the header from an original map
2001	sub prepare_orig {	2172	sub prepare_orig {
2002	my ($self) = @_;	2173	my ($self) = @_;
2003		2174
2004	$self->{load_original} = 1;	2175	$self->{load_original} = 1;
2005	$self->{instantiate_time} = $cf::RUNTIME;	2176	$self->{instantiate_time} = $cf::RUNTIME;
…		…
2029		2200
2030	sub find;	2201	sub find;
2031	sub find {	2202	sub find {
2032	my ($path, $origin) = @_;	2203	my ($path, $origin) = @_;
2033		2204
		2205	cf::cede_to_tick;
		2206
2034	$path = normalise $path, $origin && $origin->path;	2207	$path = normalise $path, $origin;
2035		2208
2036	cf::lock_wait "map_data:$path";#d#remove	2209	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
2037	cf::lock_wait "map_find:$path";	2210	my $guard2 = cf::lock_acquire "map_find:$path";
2038		2211
2039	$cf::MAP{$path} || do {	2212	$cf::MAP{$path} || do {
2040	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
2041	my $guard2 = cf::lock_acquire "map_find:$path";
2042
2043	my $map = new_from_path cf::map $path	2213	my $map = new_from_path cf::map $path
2044	or return;	2214	or return;
2045		2215
2046	$map->{last_save} = $cf::RUNTIME;	2216	$map->{last_save} = $cf::RUNTIME;
2047		2217
…		…
2059		2229
2060	$cf::MAP{$path} = $map	2230	$cf::MAP{$path} = $map
2061	}	2231	}
2062	}	2232	}
2063		2233
2064	sub pre_load { }	2234	sub pre_load { }
2065	sub post_load { }	2235	#sub post_load { } # XS
2066		2236
2067	sub load {	2237	sub load {
2068	my ($self) = @_;	2238	my ($self) = @_;
2069		2239
2070	local $self->{deny_reset} = 1; # loading can take a long time	2240	local $self->{deny_reset} = 1; # loading can take a long time
…		…
2073		2243
2074	{	2244	{
2075	my $guard = cf::lock_acquire "map_data:$path";	2245	my $guard = cf::lock_acquire "map_data:$path";
2076		2246
2077	return unless $self->valid;	2247	return unless $self->valid;
2078	return unless $self->in_memory == cf::MAP_SWAPPED;	2248	return unless $self->state == cf::MAP_SWAPPED;
2079
2080	$self->in_memory (cf::MAP_LOADING);
2081		2249
2082	$self->alloc;	2250	$self->alloc;
2083		2251
2084	$self->pre_load;	2252	$self->pre_load;
2085	cf::cede_to_tick;	2253	cf::cede_to_tick;
2086		2254
		2255	if (exists $self->{load_path}) {
2087	my $f = new_from_file cf::object::thawer $self->{load_path};	2256	my $f = new_from_file cf::object::thawer $self->{load_path};
2088	$f->skip_block;	2257	$f->skip_block;
2089	$self->_load_objects ($f)	2258	$self->_load_objects ($f)
2090	or return;	2259	or return;
2091		2260
2092	$self->post_load_original	2261	$self->post_load_original
2093	if delete $self->{load_original};	2262	if delete $self->{load_original};
2094		2263
2095	if (my $uniq = $self->uniq_path) {	2264	if (my $uniq = $self->uniq_path) {
2096	utf8::encode $uniq;	2265	utf8::encode $uniq;
2097	unless (aio_stat $uniq) {	2266	unless (aio_stat $uniq) {
2098	if (my $f = new_from_file cf::object::thawer $uniq) {	2267	if (my $f = new_from_file cf::object::thawer $uniq) {
2099	$self->clear_unique_items;	2268	$self->clear_unique_items;
2100	$self->_load_objects ($f);	2269	$self->_load_objects ($f);
2101	$f->resolve_delayed_derefs;	2270	$f->resolve_delayed_derefs;
		2271	}
2102	}	2272	}
2103	}	2273	}
2104	}
2105		2274
2106	$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);
2107		2282
2108	cf::cede_to_tick;	2283	cf::cede_to_tick;
2109	# now do the right thing for maps	2284	# now do the right thing for maps
2110	$self->link_multipart_objects;	2285	$self->link_multipart_objects;
2111	$self->difficulty ($self->estimate_difficulty)	2286	$self->difficulty ($self->estimate_difficulty)
…		…
2115	unless ($self->{deny_activate}) {	2290	unless ($self->{deny_activate}) {
2116	$self->decay_objects;	2291	$self->decay_objects;
2117	$self->fix_auto_apply;	2292	$self->fix_auto_apply;
2118	$self->update_buttons;	2293	$self->update_buttons;
2119	cf::cede_to_tick;	2294	cf::cede_to_tick;
2120	$self->set_darkness_map;	2295	#$self->activate; # no longer activate maps automatically
2121	cf::cede_to_tick;
2122	$self->activate;
2123	}	2296	}
2124		2297
2125	$self->{last_save} = $cf::RUNTIME;	2298	$self->{last_save} = $cf::RUNTIME;
2126	$self->last_access ($cf::RUNTIME);	2299	$self->last_access ($cf::RUNTIME);
2127
2128	$self->in_memory (cf::MAP_ACTIVE);
2129	}	2300	}
2130		2301
2131	$self->post_load;	2302	$self->post_load;
2132	}
2133		2303
		2304	1
		2305	}
		2306
		2307	# customize the map for a given player, i.e.
		2308	# return the _real_ map. used by e.g. per-player
		2309	# maps to change the path to ~playername/mappath
2134	sub customise_for {	2310	sub customise_for {
2135	my ($self, $ob) = @_;	2311	my ($self, $ob) = @_;
2136		2312
2137	return find "~" . $ob->name . "/" . $self->{path}	2313	return find "~" . $ob->name . "/" . $self->{path}
2138	if $self->per_player;	2314	if $self->per_player;
…		…
2141	# if $self->per_party;	2317	# if $self->per_party;
2142		2318
2143	$self	2319	$self
2144	}	2320	}
2145		2321
2146	# find and load all maps in the 3x3 area around a map
2147	sub load_neighbours {
2148	my ($map) = @_;
2149
2150	my @neigh; # diagonal neighbours
2151
2152	for (0 .. 3) {
2153	my $neigh = $map->tile_path ($_)
2154	or next;
2155	$neigh = find $neigh, $map
2156	or next;
2157	$neigh->load;
2158
2159	push @neigh,
2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
2162	}
2163
2164	for (grep defined $_->[0], @neigh) {
2165	my ($path, $origin) = @$_;
2166	my $neigh = find $path, $origin
2167	or next;
2168	$neigh->load;
2169	}
2170	}
2171
2172	sub find_sync {	2322	sub find_sync {
2173	my ($path, $origin) = @_;	2323	my ($path, $origin) = @_;
2174		2324
2175	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, $origin
2176	}	2330	}
2177		2331
2178	sub do_load_sync {	2332	sub do_load_sync {
2179	my ($map) = @_;	2333	my ($map) = @_;
2180		2334
		2335	# it's a bug to call this from the main context
2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"	2336	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
2182	if $Coro::current == $Coro::main;	2337	if $Coro::current == $Coro::main;
2183		2338
2184	cf::sync_job { $map->load };	2339	$map->load;
2185	}	2340	}
2186		2341
2187	our %MAP_PREFETCH;	2342	our %MAP_PREFETCH;
2188	our $MAP_PREFETCHER = undef;	2343	our $MAP_PREFETCHER = undef;
2189		2344
2190	sub find_async {	2345	sub find_async {
2191	my ($path, $origin, $load) = @_;	2346	my ($path, $origin, $load) = @_;
2192		2347
2193	$path = normalise $path, $origin && $origin->{path};	2348	$path = normalise $path, $origin;
2194		2349
2195	if (my $map = $cf::MAP{$path}) {	2350	if (my $map = $cf::MAP{$path}) {
2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;	2351	return $map if !$load || $map->linkable;
2197	}	2352	}
2198		2353
2199	$MAP_PREFETCH{$path} |= $load;	2354	$MAP_PREFETCH{$path} |= $load;
2200		2355
2201	$MAP_PREFETCHER ||= cf::async {	2356	$MAP_PREFETCHER ||= cf::async {
…		…
2215	$MAP_PREFETCHER->prio (6);	2370	$MAP_PREFETCHER->prio (6);
2216		2371
2217	()	2372	()
2218	}	2373	}
2219		2374
		2375	# common code, used by both ->save and ->swapout
2220	sub save {	2376	sub _save {
2221	my ($self) = @_;	2377	my ($self) = @_;
2222
2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
2224		2378
2225	$self->{last_save} = $cf::RUNTIME;	2379	$self->{last_save} = $cf::RUNTIME;
2226		2380
2227	return unless $self->dirty;	2381	return unless $self->dirty;
2228		2382
…		…
2248	} else {	2402	} else {
2249	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2403	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
2250	}	2404	}
2251	}	2405	}
2252		2406
		2407	sub save {
		2408	my ($self) = @_;
		2409
		2410	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2411
		2412	$self->_save;
		2413	}
		2414
2253	sub swap_out {	2415	sub swap_out {
2254	my ($self) = @_;	2416	my ($self) = @_;
2255		2417
2256	# save first because save cedes
2257	$self->save;
2258
2259	my $lock = cf::lock_acquire "map_data:$self->{path}";	2418	my $lock = cf::lock_acquire "map_data:$self->{path}";
2260		2419
		2420	return if !$self->linkable;
		2421	return if $self->{deny_save};
2261	return if $self->players;	2422	return if $self->players;
2262	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
2263	return if $self->{deny_save};	2440	return 1e99 if $self->{deny_reset};
2264		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
2265	$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};
2266		2474
2267	$self->deactivate;	2475	$self->deactivate;
2268	$_->clear_links_to ($self) for values %cf::MAP;	2476	$_->clear_links_to ($self) for values %cf::MAP;
2269	$self->clear;	2477	$self->clear;
2270	}
2271
2272	sub reset_at {
2273	my ($self) = @_;
2274
2275	# TODO: safety, remove and allow resettable per-player maps
2276	return 1e99 if $self->{deny_reset};
2277
2278	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
2279	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
2280
2281	$time + $to
2282	}
2283
2284	sub should_reset {
2285	my ($self) = @_;
2286
2287	$self->reset_at <= $cf::RUNTIME
2288	}
2289
2290	sub reset {
2291	my ($self) = @_;
2292
2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
2294
2295	return if $self->players;
2296
2297	warn "resetting map ", $self->path;
2298
2299	$self->in_memory (cf::MAP_SWAPPED);
2300
2301	# need to save uniques path
2302	unless ($self->{deny_save}) {
2303	my $uniq = $self->uniq_path; utf8::encode $uniq;
2304
2305	$self->_save_objects ($uniq, cf::IO_UNIQUES)
2306	if $uniq;
2307	}
2308
2309	delete $cf::MAP{$self->path};
2310
2311	$self->deactivate;
2312	$_->clear_links_to ($self) for values %cf::MAP;
2313	$self->clear;
2314		2478
2315	$self->unlink_save;	2479	$self->unlink_save;
2316	$self->destroy;	2480	$self->destroy;
2317	}	2481	}
2318		2482
…		…
2326		2490
2327	delete $cf::MAP{$self->path};	2491	delete $cf::MAP{$self->path};
2328		2492
2329	$self->unlink_save;	2493	$self->unlink_save;
2330		2494
2331	bless $self, "cf::map";	2495	bless $self, "cf::map::wrap";
2332	delete $self->{deny_reset};	2496	delete $self->{deny_reset};
2333	$self->{deny_save} = 1;	2497	$self->{deny_save} = 1;
2334	$self->reset_timeout (1);	2498	$self->reset_timeout (1);
2335	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2499	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
2336		2500
…		…
2393	: normalise $_	2557	: normalise $_
2394	} @{ aio_readdir $UNIQUEDIR or [] }	2558	} @{ aio_readdir $UNIQUEDIR or [] }
2395	]	2559	]
2396	}	2560	}
2397		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
2398	=back	2594	=back
2399		2595
2400	=head3 cf::object	2596	=head3 cf::object
2401		2597
2402	=cut	2598	=cut
…		…
2467		2663
2468	our $SAY_CHANNEL = {	2664	our $SAY_CHANNEL = {
2469	id => "say",	2665	id => "say",
2470	title => "Map",	2666	title => "Map",
2471	reply => "say ",	2667	reply => "say ",
2472	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.",
2473	};	2669	};
2474		2670
2475	our $CHAT_CHANNEL = {	2671	our $CHAT_CHANNEL = {
2476	id => "chat",	2672	id => "chat",
2477	title => "Chat",	2673	title => "Chat",
…		…
2532		2728
2533	=item $player_object->enter_link	2729	=item $player_object->enter_link
2534		2730
2535	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}>).
2536		2732
2537	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.
2538	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.
2539		2737
2540	Will never block.	2738	Will never block.
2541		2739
2542	=item $player_object->leave_link ($map, $x, $y)	2740	=item $player_object->leave_link ($map, $x, $y)
2543		2741
…		…
2563	sub cf::object::player::enter_link {	2761	sub cf::object::player::enter_link {
2564	my ($self) = @_;	2762	my ($self) = @_;
2565		2763
2566	$self->deactivate_recursive;	2764	$self->deactivate_recursive;
2567		2765
		2766	++$self->{_link_recursion};
		2767
2568	return if UNIVERSAL::isa $self->map, "ext::map_link";	2768	return if UNIVERSAL::isa $self->map, "ext::map_link";
2569		2769
2570	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
2571	if $self->map && $self->map->{path} ne "{link}";	2771	if $self->map && $self->map->{path} ne "{link}";
2572		2772
2573	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2773	$self->enter_map ($LINK_MAP || link_map, 3, 3);
2574	}	2774	}
2575		2775
2576	sub cf::object::player::leave_link {	2776	sub cf::object::player::leave_link {
2577	my ($self, $map, $x, $y) = @_;	2777	my ($self, $map, $x, $y) = @_;
2578		2778
…		…
2595	($x, $y) = (-1, -1)	2795	($x, $y) = (-1, -1)
2596	unless (defined $x) && (defined $y);	2796	unless (defined $x) && (defined $y);
2597		2797
2598	# use -1 or undef as default coordinates, not 0, 0	2798	# use -1 or undef as default coordinates, not 0, 0
2599	($x, $y) = ($map->enter_x, $map->enter_y)	2799	($x, $y) = ($map->enter_x, $map->enter_y)
2600	if $x <=0 && $y <= 0;	2800	if $x <= 0 && $y <= 0;
2601		2801
2602	$map->load;	2802	$map->load;
2603	$map->load_neighbours;
2604		2803
2605	return unless $self->contr->active;	2804	return unless $self->contr->active;
2606	$self->activate_recursive;
2607		2805
2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2806	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
2609	$self->enter_map ($map, $x, $y);	2807	if ($self->enter_map ($map, $x, $y)) {
2610	}	2808	# entering was successful
		2809	delete $self->{_link_recursion};
		2810	# only activate afterwards, to support waiting in hooks
		2811	$self->activate_recursive;
		2812	}
2611		2813
		2814	}
		2815
2612	=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)]])
2613		2817
2614	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
2615	her, loading and preparing them map, calling the provided $check callback	2819	her, loading and preparing them map, calling the provided $check callback
2616	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
2617	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
…		…
2624		2828
2625	our $GOTOGEN;	2829	our $GOTOGEN;
2626		2830
2627	sub cf::object::player::goto {	2831	sub cf::object::player::goto {
2628	my ($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	}
2629		2839
2630	# 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
2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;	2841	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2632		2842
2633	$self->enter_link;	2843	$self->enter_link;
…		…
2653	($path, $x, $y) = (undef, undef, undef);	2863	($path, $x, $y) = (undef, undef, undef);
2654	}	2864	}
2655	}	2865	}
2656		2866
2657	my $map = eval {	2867	my $map = eval {
2658	my $map = defined $path ? cf::map::find $path : undef;	2868	my $map = defined $path ? cf::map::find $path, $self->map : undef;
2659		2869
2660	if ($map) {	2870	if ($map) {
2661	$map = $map->customise_for ($self);	2871	$map = $map->customise_for ($self);
2662	$map = $check->($map) if $check && $map;	2872	$map = $check->($map, $x, $y, $self) if $check && $map;
2663	} else {	2873	} else {
2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);	2874	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2665	}	2875	}
2666		2876
2667	$map	2877	$map
…		…
2675	if ($gen == $self->{_goto_generation}) {	2885	if ($gen == $self->{_goto_generation}) {
2676	delete $self->{_goto_generation};	2886	delete $self->{_goto_generation};
2677	$self->leave_link ($map, $x, $y);	2887	$self->leave_link ($map, $x, $y);
2678	}	2888	}
2679		2889
2680	$done->() if $done;	2890	$done->($self) if $done;
2681	})->prio (1);	2891	})->prio (1);
2682	}	2892	}
2683		2893
2684	=item $player_object->enter_exit ($exit_object)	2894	=item $player_object->enter_exit ($exit_object)
2685		2895
…		…
2753	$Coro::current->{desc} = "enter_exit";	2963	$Coro::current->{desc} = "enter_exit";
2754		2964
2755	unless (eval {	2965	unless (eval {
2756	$self->deactivate_recursive; # just to be sure	2966	$self->deactivate_recursive; # just to be sure
2757		2967
2758	# random map handling
2759	{
2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
2761
2762	prepare_random_map $exit
2763	if $exit->slaying eq "/!";
2764	}
2765
2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2968	my $map = cf::map::normalise $exit->slaying, $exit->map;
2767	my $x = $exit->stats->hp;	2969	my $x = $exit->stats->hp;
2768	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	}
2769		2994
2770	$self->goto ($map, $x, $y);	2995	$self->goto ($map, $x, $y);
2771		2996
2772	# if exit is damned, update players death & WoR home-position	2997	# if exit is damned, update players death & WoR home-position
2773	$self->contr->savebed ($map, $x, $y)	2998	$self->contr->savebed ($map, $x, $y)
2774	if $exit->flag (cf::FLAG_DAMNED);	2999	if $exit->flag (cf::FLAG_DAMNED);
2775		3000
2776	1	3001	1
2777	}) {	3002	}) {
2778	$self->message ("Something went wrong deep within the crossfire server. "	3003	$self->message ("Something went wrong deep within the deliantra server. "
2779	. "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. "
2780	. "Please report this to the dungeon master!",	3005	. "Please report this to the dungeon master!",
2781	cf::NDI_UNIQUE | cf::NDI_RED);	3006	cf::NDI_UNIQUE | cf::NDI_RED);
2782		3007
2783	warn "ERROR in enter_exit: $@";	3008	error "ERROR in enter_exit: $@";
2784	$self->leave_link;	3009	$self->leave_link;
2785	}	3010	}
2786	})->prio (1);	3011	})->prio (1);
2787	}	3012	}
2788		3013
…		…
2800	sub cf::client::send_drawinfo {	3025	sub cf::client::send_drawinfo {
2801	my ($self, $text, $flags) = @_;	3026	my ($self, $text, $flags) = @_;
2802		3027
2803	utf8::encode $text;	3028	utf8::encode $text;
2804	$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);
2805	}	3055	}
2806		3056
2807	=item $client->send_msg ($channel, $msg, $color, [extra...])	3057	=item $client->send_msg ($channel, $msg, $color, [extra...])
2808		3058
2809	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
…		…
2813		3063
2814	=cut	3064	=cut
2815		3065
2816	# non-persistent channels (usually the info channel)	3066	# non-persistent channels (usually the info channel)
2817	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	},
2818	"c/identify" => {	3074	"c/identify" => {
2819	id => "infobox",	3075	id => "infobox",
2820	title => "Identify",	3076	title => "Identify",
2821	reply => undef,	3077	reply => undef,
2822	tooltip => "Items recently identified",	3078	tooltip => "Items recently identified",
…		…
2824	"c/examine" => {	3080	"c/examine" => {
2825	id => "infobox",	3081	id => "infobox",
2826	title => "Examine",	3082	title => "Examine",
2827	reply => undef,	3083	reply => undef,
2828	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",
2829	},	3091	},
2830	"c/book" => {	3092	"c/book" => {
2831	id => "infobox",	3093	id => "infobox",
2832	title => "Book",	3094	title => "Book",
2833	reply => undef,	3095	reply => undef,
…		…
2849	id => "infobox",	3111	id => "infobox",
2850	title => "Body Parts",	3112	title => "Body Parts",
2851	reply => undef,	3113	reply => undef,
2852	tooltip => "Shows which body parts you posess and are available",	3114	tooltip => "Shows which body parts you posess and are available",
2853	},	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	},
2854	"c/uptime" => {	3152	"c/uptime" => {
2855	id => "infobox",	3153	id => "infobox",
2856	title => "Uptime",	3154	title => "Uptime",
2857	reply => undef,	3155	reply => undef,
2858	tooltip => "How long the server has been running since last restart",	3156	tooltip => "How long the server has been running since last restart",
…		…
2867	id => "party",	3165	id => "party",
2868	title => "Party",	3166	title => "Party",
2869	reply => "gsay ",	3167	reply => "gsay ",
2870	tooltip => "Messages and chat related to your party",	3168	tooltip => "Messages and chat related to your party",
2871	},	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" => $CHAT_CHANNEL,
2872	);	3178	);
2873		3179
2874	sub cf::client::send_msg {	3180	sub cf::client::send_msg {
2875	my ($self, $channel, $msg, $color, @extra) = @_;	3181	my ($self, $channel, $msg, $color, @extra) = @_;
2876		3182
2877	$msg = $self->pl->expand_cfpod ($msg);	3183	$msg = $self->pl->expand_cfpod ($msg)
		3184	unless $color & cf::NDI_VERBATIM;
2878		3185
2879	$color &= cf::NDI_CLIENT_MASK; # just in case...	3186	$color &= cf::NDI_CLIENT_MASK; # just in case...
2880		3187
2881	# check predefined channels, for the benefit of C	3188	# check predefined channels, for the benefit of C
2882	if ($CHANNEL{$channel}) {	3189	if ($CHANNEL{$channel}) {
2883	$channel = $CHANNEL{$channel};	3190	$channel = $CHANNEL{$channel};
2884		3191
2885	$self->ext_msg (channel_info => $channel)	3192	$self->ext_msg (channel_info => $channel);
2886	if $self->can_msg;
2887
2888	$channel = $channel->{id};	3193	$channel = $channel->{id};
2889		3194
2890	} elsif (ref $channel) {	3195	} elsif (ref $channel) {
2891	# send meta info to client, if not yet sent	3196	# send meta info to client, if not yet sent
2892	unless (exists $self->{channel}{$channel->{id}}) {	3197	unless (exists $self->{channel}{$channel->{id}}) {
2893	$self->{channel}{$channel->{id}} = $channel;	3198	$self->{channel}{$channel->{id}} = $channel;
2894	$self->ext_msg (channel_info => $channel)	3199	$self->ext_msg (channel_info => $channel);
2895	if $self->can_msg;
2896	}	3200	}
2897		3201
2898	$channel = $channel->{id};	3202	$channel = $channel->{id};
2899	}	3203	}
2900		3204
2901	return unless @extra || length $msg;	3205	return unless @extra || length $msg;
2902		3206
2903	if ($self->can_msg) {
2904	# default colour, mask it out	3207	# default colour, mask it out
2905	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)	3208	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
2906	if $color & cf::NDI_DEF;	3209	if $color & cf::NDI_DEF;
2907		3210
2908	$self->send_packet ("msg " . $self->{json_coder}->encode (	3211	my $pkt = "msg "
		3212	. $self->{json_coder}->encode (
2909	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));	3213	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
2910	} else {	3214	);
2911	if ($color >= 0) {
2912	# replace some tags by gcfclient-compatible ones
2913	for ($msg) {
2914	1 while
2915	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
2916	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
2917	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
2918	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
2919	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
2920	}
2921		3215
2922	$color &= cf::NDI_COLOR_MASK;	3216	$self->send_big_packet ($pkt);
2923
2924	utf8::encode $msg;
2925
2926	if (0 && $msg =~ /\[/) {
2927	# COMMAND/INFO
2928	$self->send_packet ("drawextinfo $color 10 8 $msg")
2929	} else {
2930	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
2931	$self->send_packet ("drawinfo $color $msg")
2932	}
2933	}
2934	}
2935	}	3217	}
2936		3218
2937	=item $client->ext_msg ($type, @msg)	3219	=item $client->ext_msg ($type, @msg)
2938		3220
2939	Sends an ext event to the client.	3221	Sends an ext event to the client.
…		…
2941	=cut	3223	=cut
2942		3224
2943	sub cf::client::ext_msg($$@) {	3225	sub cf::client::ext_msg($$@) {
2944	my ($self, $type, @msg) = @_;	3226	my ($self, $type, @msg) = @_;
2945		3227
2946	if ($self->extcmd == 2) {
2947	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));	3228	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2948	} elsif ($self->extcmd == 1) { # TODO: remove
2949	push @msg, msgtype => "event_$type";
2950	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2951	}
2952	}
2953
2954	=item $client->ext_reply ($msgid, @msg)
2955
2956	Sends an ext reply to the client.
2957
2958	=cut
2959
2960	sub cf::client::ext_reply($$@) {
2961	my ($self, $id, @msg) = @_;
2962
2963	if ($self->extcmd == 2) {
2964	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2965	} elsif ($self->extcmd == 1) {
2966	#TODO: version 1, remove
2967	unshift @msg, msgtype => "reply", msgid => $id;
2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2969	}
2970	}	3229	}
2971		3230
2972	=item $success = $client->query ($flags, "text", \&cb)	3231	=item $success = $client->query ($flags, "text", \&cb)
2973		3232
2974	Queues a query to the client, calling the given callback with	3233	Queues a query to the client, calling the given callback with
…		…
3029	my ($ns, $buf) = @_;	3288	my ($ns, $buf) = @_;
3030		3289
3031	my $msg = eval { $ns->{json_coder}->decode ($buf) };	3290	my $msg = eval { $ns->{json_coder}->decode ($buf) };
3032		3291
3033	if (ref $msg) {	3292	if (ref $msg) {
3034	my ($type, $reply, @payload) =	3293	my ($type, $reply, @payload) = @$msg; # version 1 used %type, $id, %$hash
3035	"ARRAY" eq ref $msg
3036	? @$msg
3037	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
3038		3294
3039	my @reply;	3295	my @reply;
3040		3296
3041	if (my $cb = $EXTICMD{$type}) {	3297	if (my $cb = $EXTICMD{$type}) {
3042	@reply = $cb->($ns, @payload);	3298	@reply = $cb->($ns, @payload);
3043	}	3299	}
3044		3300
3045	$ns->ext_reply ($reply, @reply)	3301	$ns->ext_msg ("reply-$reply", @reply)
3046	if $reply;	3302	if $reply;
3047		3303
3048	} else {	3304	} else {
3049	warn "client " . ($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";
3050	}	3306	}
3051		3307
3052	cf::override;	3308	cf::override;
3053	},	3309	},
3054	);	3310	);
…		…
3074		3330
3075	$coro	3331	$coro
3076	}	3332	}
3077		3333
3078	cf::client->attach (	3334	cf::client->attach (
3079	on_destroy => sub {	3335	on_client_destroy => sub {
3080	my ($ns) = @_;	3336	my ($ns) = @_;
3081		3337
3082	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3338	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
3083	},	3339	},
3084	);	3340	);
…		…
3100	our $safe_hole = new Safe::Hole;	3356	our $safe_hole = new Safe::Hole;
3101		3357
3102	$SIG{FPE} = 'IGNORE';	3358	$SIG{FPE} = 'IGNORE';
3103		3359
3104	$safe->permit_only (Opcode::opset qw(	3360	$safe->permit_only (Opcode::opset qw(
3105	:base_core :base_mem :base_orig :base_math	3361	:base_core :base_mem :base_orig :base_math :base_loop
3106	grepstart grepwhile mapstart mapwhile	3362	grepstart grepwhile mapstart mapwhile
3107	sort time	3363	sort time
3108	));	3364	));
3109		3365
3110	# here we export the classes and methods available to script code	3366	# here we export the classes and methods available to script code
…		…
3114	The following functions and methods are available within a safe environment:	3370	The following functions and methods are available within a safe environment:
3115		3371
3116	cf::object	3372	cf::object
3117	contr pay_amount pay_player map x y force_find force_add destroy	3373	contr pay_amount pay_player map x y force_find force_add destroy
3118	insert remove name archname title slaying race decrease split	3374	insert remove name archname title slaying race decrease split
		3375	value
3119		3376
3120	cf::object::player	3377	cf::object::player
3121	player	3378	player
3122		3379
3123	cf::player	3380	cf::player
…		…
3129	=cut	3386	=cut
3130		3387
3131	for (	3388	for (
3132	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y	3389	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
3133	insert remove inv nrof name archname title slaying race	3390	insert remove inv nrof name archname title slaying race
3134	decrease split destroy change_exp)],	3391	decrease split destroy change_exp value msg lore send_msg)],
3135	["cf::object::player" => qw(player)],	3392	["cf::object::player" => qw(player)],
3136	["cf::player" => qw(peaceful)],	3393	["cf::player" => qw(peaceful send_msg)],
3137	["cf::map" => qw(trigger)],	3394	["cf::map" => qw(trigger)],
3138	) {	3395	) {
3139	no strict 'refs';
3140	my ($pkg, @funs) = @$_;	3396	my ($pkg, @funs) = @$_;
3141	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3397	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
3142	for @funs;	3398	for @funs;
3143	}	3399	}
3144		3400
…		…
3159		3415
3160	my $qcode = $code;	3416	my $qcode = $code;
3161	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3417	$qcode =~ s/"/‟/g; # not allowed in #line filenames
3162	$qcode =~ s/\n/\\n/g;	3418	$qcode =~ s/\n/\\n/g;
3163		3419
		3420	%vars = (_dummy => 0) unless %vars;
		3421
		3422	my @res;
3164	local $_;	3423	local $_;
3165	local @safe::cf::_safe_eval_args = values %vars;
3166		3424
3167	my $eval =	3425	my $eval =
3168	"do {\n"	3426	"do {\n"
3169	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3427	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
3170	. "#line 0 \"{$qcode}\"\n"	3428	. "#line 0 \"{$qcode}\"\n"
3171	. $code	3429	. $code
3172	. "\n}"	3430	. "\n}"
3173	;	3431	;
3174		3432
		3433	if ($CFG{safe_eval}) {
3175	sub_generation_inc;	3434	sub_generation_inc;
		3435	local @safe::cf::_safe_eval_args = values %vars;
3176	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3436	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
3177	sub_generation_inc;	3437	sub_generation_inc;
		3438	} else {
		3439	local @cf::_safe_eval_args = values %vars;
		3440	@res = wantarray ? eval eval : scalar eval $eval;
		3441	}
3178		3442
3179	if ($@) {	3443	if ($@) {
3180	warn "$@";	3444	warn "$@",
3181	warn "while executing safe code '$code'\n";	3445	"while executing safe code '$code'\n",
3182	warn "with arguments " . (join " ", %vars) . "\n";	3446	"with arguments " . (join " ", %vars) . "\n";
3183	}	3447	}
3184		3448
3185	wantarray ? @res : $res[0]	3449	wantarray ? @res : $res[0]
3186	}	3450	}
3187		3451
…		…
3201	=cut	3465	=cut
3202		3466
3203	sub register_script_function {	3467	sub register_script_function {
3204	my ($fun, $cb) = @_;	3468	my ($fun, $cb) = @_;
3205		3469
3206	no strict 'refs';	3470	$fun = "safe::$fun" if $CFG{safe_eval};
3207	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3471	*$fun = $safe_hole->wrap ($cb);
3208	}	3472	}
3209		3473
3210	=back	3474	=back
3211		3475
3212	=cut	3476	=cut
3213		3477
3214	#############################################################################	3478	#############################################################################
3215	# 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	$idx
		3503	}
3216		3504
3217	sub load_facedata($) {	3505	sub load_facedata($) {
3218	my ($path) = @_;	3506	my ($path) = @_;
3219		3507
3220	# 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
3221	# for this (global event?)	3509	# for this (global event?)
3222	%ext::player_env::MUSIC_FACE_CACHE = ();	3510	%ext::player_env::MUSIC_FACE_CACHE = ();
3223		3511
3224	my $enc = JSON::XS->new->utf8->canonical->relaxed;	3512	my $enc = JSON::XS->new->utf8->canonical->relaxed;
3225		3513
3226	warn "loading facedata from $path\n";	3514	trace "loading facedata from $path\n";
3227		3515
3228	my $facedata;	3516	my $facedata = decode_storable load_file $path;
3229	0 < aio_load $path, $facedata
3230	or die "$path: $!";
3231
3232	$facedata = Coro::Storable::thaw $facedata;
3233		3517
3234	$facedata->{version} == 2	3518	$facedata->{version} == 2
3235	or cf::cleanup "$path: version mismatch, cannot proceed.";	3519	or cf::cleanup "$path: version mismatch, cannot proceed.";
3236		3520
3237	# patch in the exptable
3238	$facedata->{resource}{"res/exp_table"} = {
3239	type => FT_RSRC,
3240	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
3241	};
3242	cf::cede_to_tick;	3521	cf::cede_to_tick;
3243		3522
3244	{	3523	{
3245	my $faces = $facedata->{faceinfo};	3524	my $faces = $facedata->{faceinfo};
3246		3525
3247	while (my ($face, $info) = each %$faces) {	3526	for my $face (sort keys %$faces) {
		3527	my $info = $faces->{$face};
3248	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3528	my $idx = (cf::face::find $face) || cf::face::alloc $face;
3249		3529
3250	cf::face::set_visibility $idx, $info->{visibility};	3530	cf::face::set_visibility $idx, $info->{visibility};
3251	cf::face::set_magicmap $idx, $info->{magicmap};	3531	cf::face::set_magicmap $idx, $info->{magicmap};
3252	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};	3532	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
3253	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}} = $idx;#d#
3254		3536
3255	cf::cede_to_tick;	3537	cf::cede_to_tick;
3256	}	3538	}
3257		3539
3258	while (my ($face, $info) = each %$faces) {	3540	while (my ($face, $info) = each %$faces) {
…		…
3263		3545
3264	if (my $smooth = cf::face::find $info->{smooth}) {	3546	if (my $smooth = cf::face::find $info->{smooth}) {
3265	cf::face::set_smooth $idx, $smooth;	3547	cf::face::set_smooth $idx, $smooth;
3266	cf::face::set_smoothlevel $idx, $info->{smoothlevel};	3548	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
3267	} else {	3549	} else {
3268	warn "smooth face '$info->{smooth}' not found for face '$face'";	3550	error "smooth face '$info->{smooth}' not found for face '$face'";
3269	}	3551	}
3270		3552
3271	cf::cede_to_tick;	3553	cf::cede_to_tick;
3272	}	3554	}
3273	}	3555	}
…		…
3282		3564
3283	cf::anim::invalidate_all; # d'oh	3565	cf::anim::invalidate_all; # d'oh
3284	}	3566	}
3285		3567
3286	{	3568	{
3287	# TODO: for gcfclient pleasure, we should give resources
3288	# that gcfclient doesn't grok a >10000 face index.
3289	my $res = $facedata->{resource};	3569	my $res = $facedata->{resource};
3290		3570
3291	while (my ($name, $info) = each %$res) {	3571	while (my ($name, $info) = each %$res) {
3292	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
3293	my $idx = (cf::face::find $name) || cf::face::alloc $name;	3574	my $idx = (cf::face::find $name) || cf::face::alloc $name;
3294	my $data;
3295		3575
3296	if ($info->{type} & 1) {
3297	# prepend meta info
3298
3299	my $meta = $enc->encode ({
3300	name => $name,
3301	%{ $info->{meta} || {} },
3302	});
3303
3304	$data = pack "(w/a*)*", $meta, $info->{data};
3305	} else {
3306	$data = $info->{data};
3307	}
3308
3309	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
3310	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#
3311	} else {	3580	} else {
3312	$RESOURCE{$name} = $info;	3581	# $RESOURCE{$name} = $info; # unused
3313	}	3582	}
3314		3583
3315	cf::cede_to_tick;	3584	cf::cede_to_tick;
3316	}	3585	}
3317	}	3586	}
3318		3587
3319	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);	3588	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
3320		3589
3321	1	3590	1
3322	}	3591	}
3323
3324	cf::global->attach (on_resource_update => sub {
3325	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
3326	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
3327
3328	for (0 .. SOUND_CAST_SPELL_0 - 1) {
3329	my $sound = $soundconf->{compat}[$_]
3330	or next;
3331
3332	my $face = cf::face::find "sound/$sound->[1]";
3333	cf::sound::set $sound->[0] => $face;
3334	cf::sound::old_sound_index $_, $face; # gcfclient-compat
3335	}
3336
3337	while (my ($k, $v) = each %{$soundconf->{event}}) {
3338	my $face = cf::face::find "sound/$v";
3339	cf::sound::set $k => $face;
3340	}
3341	}
3342	});
3343		3592
3344	register_exticmd fx_want => sub {	3593	register_exticmd fx_want => sub {
3345	my ($ns, $want) = @_;	3594	my ($ns, $want) = @_;
3346		3595
3347	while (my ($k, $v) = each %$want) {	3596	while (my ($k, $v) = each %$want) {
…		…
3355	my $status = load_resource_file_ $_[0];	3604	my $status = load_resource_file_ $_[0];
3356	get_slot 0.1, 100;	3605	get_slot 0.1, 100;
3357	cf::arch::commit_load;	3606	cf::arch::commit_load;
3358		3607
3359	$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 $_, 1 .. cf::settings->max_level]
		3617	);
		3618	}
		3619
		3620	sub reload_materials {
		3621	_reload_materials;
3360	}	3622	}
3361		3623
3362	sub reload_regions {	3624	sub reload_regions {
3363	# HACK to clear player env face cache, we need some signal framework	3625	# HACK to clear player env face cache, we need some signal framework
3364	# for this (global event?)	3626	# for this (global event?)
…		…
3379	}	3641	}
3380		3642
3381	sub reload_archetypes {	3643	sub reload_archetypes {
3382	load_resource_file "$DATADIR/archetypes"	3644	load_resource_file "$DATADIR/archetypes"
3383	or die "unable to load archetypes\n";	3645	or die "unable to load archetypes\n";
		3646
		3647	add_face "res/skill_info" => FT_RSRC,
		3648	JSON::XS->new->utf8->canonical->encode (
		3649	[map [cf::arch::skillvec ($_)->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 ($_)], 0 .. NRSPELLPATHS - 1]
		3654	);
3384	}	3655	}
3385		3656
3386	sub reload_treasures {	3657	sub reload_treasures {
3387	load_resource_file "$DATADIR/treasures"	3658	load_resource_file "$DATADIR/treasures"
3388	or die "unable to load treasurelists\n";	3659	or die "unable to load treasurelists\n";
3389	}	3660	}
3390		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
3391	sub reload_resources {	3744	sub reload_resources {
3392	warn "reloading resource files...\n";	3745	trace "reloading resource files...\n";
3393		3746
		3747	reload_materials;
3394	reload_facedata;	3748	reload_facedata;
		3749	reload_exp_table;
		3750	reload_sound;
3395	reload_archetypes;	3751	reload_archetypes;
3396	reload_regions;	3752	reload_regions;
3397	reload_treasures;	3753	reload_treasures;
		3754	reload_pod;
3398		3755
3399	warn "finished reloading resource files\n";	3756	trace "finished reloading resource files\n";
3400	}
3401
3402	sub init {
3403	my $guard = freeze_mainloop;
3404
3405	evthread_start IO::AIO::poll_fileno;
3406
3407	reload_resources;
3408	}	3757	}
3409		3758
3410	sub reload_config {	3759	sub reload_config {
3411	open my $fh, "<:utf8", "$CONFDIR/config"	3760	trace "reloading config file...\n";
3412	or return;
3413		3761
3414	local $/;	3762	my $config = load_file "$CONFDIR/config";
3415	*CFG = YAML::Load <$fh>;	3763	utf8::decode $config;
		3764	*CFG = decode_yaml $config;
3416		3765
3417	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3766	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
3418		3767
3419	$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};
3420	$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};
3421		3770
3422	if (exists $CFG{mlockall}) {	3771	if (exists $CFG{mlockall}) {
…		…
3426	};	3775	};
3427	warn $@ if $@;	3776	warn $@ if $@;
3428	}	3777	}
3429	}	3778	}
3430		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
3431	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
3432	# we must not ever block the main coroutine	3818	# we must not ever block the main coroutine
3433	local $Coro::idle = sub {	3819	$Coro::idle = sub {
3434	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#
3435	(async {	3821	(async {
3436	$Coro::current->{desc} = "IDLE BUG HANDLER";	3822	$Coro::current->{desc} = "IDLE BUG HANDLER";
3437	EV::loop EV::LOOP_ONESHOT;	3823	EV::loop EV::LOOP_ONESHOT;
3438	})->prio (Coro::PRIO_MAX);	3824	})->prio (Coro::PRIO_MAX);
3439	};	3825	};
3440		3826
3441	{	3827	evthread_start IO::AIO::poll_fileno;
3442	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;
3443	reload_config;	3841	reload_config;
3444	db_init;	3842
		3843	cf::init_uuid;
		3844	cf::init_signals;
		3845	cf::init_skills;
		3846
		3847	cf::init_beforeplay;
		3848
		3849	atomic;
		3850
3445	load_extensions;	3851	load_extensions;
3446		3852
3447	$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;
3448	}	3860	};
3449		3861
3450	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;
3451	}	3870	}
3452		3871
3453	#############################################################################	3872	#############################################################################
3454	# initialisation and cleanup	3873	# initialisation and cleanup
3455		3874
3456	# install some emergency cleanup handlers	3875	# install some emergency cleanup handlers
3457	BEGIN {	3876	BEGIN {
3458	our %SIGWATCHER = ();	3877	our %SIGWATCHER = ();
3459	for my $signal (qw(INT HUP TERM)) {	3878	for my $signal (qw(INT HUP TERM)) {
3460	$SIGWATCHER{$signal} = EV::signal $signal, sub {	3879	$SIGWATCHER{$signal} = AE::signal $signal, sub {
3461	cf::cleanup "SIG$signal";	3880	cf::cleanup "SIG$signal";
3462	};	3881	};
3463	}	3882	}
3464	}	3883	}
3465		3884
3466	sub write_runtime_sync {	3885	sub write_runtime_sync {
3467	my $runtime = "$LOCALDIR/runtime";	3886	my $t0 = AE::time;
3468		3887
3469	# first touch the runtime file to show we are still running:	3888	# first touch the runtime file to show we are still running:
3470	# the fsync below can take a very very long time.	3889	# the fsync below can take a very very long time.
3471		3890
3472	IO::AIO::aio_utime $runtime, undef, undef;	3891	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
3473		3892
3474	my $guard = cf::lock_acquire "write_runtime";	3893	my $guard = cf::lock_acquire "write_runtime";
3475		3894
3476	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	3895	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
3477	or return;	3896	or return;
3478		3897
3479	my $value = $cf::RUNTIME + 90 + 10;	3898	my $value = $cf::RUNTIME + 90 + 10;
3480	# 10 is the runtime save interval, for a monotonic clock	3899	# 10 is the runtime save interval, for a monotonic clock
3481	# 60 allows for the watchdog to kill the server.	3900	# 60 allows for the watchdog to kill the server.
…		…
3491	aio_utime $fh, undef, undef;	3910	aio_utime $fh, undef, undef;
3492		3911
3493	close $fh	3912	close $fh
3494	or return;	3913	or return;
3495		3914
3496	aio_rename "$runtime~", $runtime	3915	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
3497	and return;	3916	and return;
3498		3917
3499	warn "runtime file written.\n";	3918	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
3500		3919
3501	1	3920	1
3502	}	3921	}
3503		3922
3504	our $uuid_lock;	3923	our $uuid_lock;
…		…
3513	my $uuid = "$LOCALDIR/uuid";	3932	my $uuid = "$LOCALDIR/uuid";
3514		3933
3515	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644	3934	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
3516	or return;	3935	or return;
3517		3936
3518	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;
3519	$uuid_skip = 0;	3945	$uuid_skip = 0;
3520		3946
3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0	3947	(aio_write $fh, 0, (length $value), $value, 0) <= 0
3522	and return;	3948	and return;
3523		3949
…		…
3529	or return;	3955	or return;
3530		3956
3531	aio_rename "$uuid~", $uuid	3957	aio_rename "$uuid~", $uuid
3532	and return;	3958	and return;
3533		3959
3534	warn "uuid file written ($value).\n";	3960	trace "uuid file written ($value).\n";
3535		3961
3536	1	3962	1
3537		3963
3538	}	3964	}
3539		3965
…		…
3545	}	3971	}
3546		3972
3547	sub emergency_save() {	3973	sub emergency_save() {
3548	my $freeze_guard = cf::freeze_mainloop;	3974	my $freeze_guard = cf::freeze_mainloop;
3549		3975
3550	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;
3551		3982
3552	cf::sync_job {	3983	cf::sync_job {
		3984	cf::write_runtime_sync; # external watchdog should not bark
		3985
3553	# use a peculiar iteration method to avoid tripping on perl	3986	# use a peculiar iteration method to avoid tripping on perl
3554	# refcount bugs in for. also avoids problems with players	3987	# refcount bugs in for. also avoids problems with players
3555	# and maps saved/destroyed asynchronously.	3988	# and maps saved/destroyed asynchronously.
3556	warn "begin emergency player save\n";	3989	info "emergency_perl_save: begin player save\n";
3557	for my $login (keys %cf::PLAYER) {	3990	for my $login (keys %cf::PLAYER) {
3558	my $pl = $cf::PLAYER{$login} or next;	3991	my $pl = $cf::PLAYER{$login} or next;
3559	$pl->valid or next;	3992	$pl->valid or next;
3560	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt	3993	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3561	$pl->save;	3994	$pl->save;
3562	}	3995	}
3563	warn "end emergency player save\n";	3996	info "emergency_perl_save: end player save\n";
3564		3997
3565	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";
3566	for my $path (keys %cf::MAP) {	4001	for my $path (keys %cf::MAP) {
3567	my $map = $cf::MAP{$path} or next;	4002	my $map = $cf::MAP{$path} or next;
3568	$map->valid or next;	4003	$map->valid or next;
3569	$map->save;	4004	$map->save;
3570	}	4005	}
3571	warn "end emergency map save\n";	4006	info "emergency_perl_save: end map save\n";
3572		4007
3573	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";
3574	BDB::db_env_txn_checkpoint $DB_ENV;	4011	BDB::db_env_txn_checkpoint $DB_ENV;
3575	warn "end emergency database checkpoint\n";	4012	info "emergency_perl_save: end database checkpoint\n";
3576		4013
3577	warn "begin write uuid\n";	4014	info "emergency_perl_save: begin write uuid\n";
3578	write_uuid_sync 1;	4015	write_uuid_sync 1;
3579	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 $DB_ENV;
		4022
		4023	info "emergency_perl_save: starting sync\n";
		4024	IO::AIO::aio_sync sub {
		4025	info "emergency_perl_save: finished sync\n";
		4026	};
		4027
		4028	cf::write_runtime_sync; # external watchdog should not bark
		4029
		4030	trace "emergency_perl_save: flushing outstanding aio requests";
		4031	while (IO::AIO::nreqs || BDB::nreqs) {
		4032	Coro::AnyEvent::sleep 0.01; # let the sync_job do it's thing
		4033	}
		4034
		4035	cf::write_runtime_sync; # external watchdog should not bark
3580	};	4036	};
3581		4037
3582	warn "leave emergency perl save\n";	4038	info "emergency_perl_save: leave\n";
3583	}	4039	}
3584		4040
3585	sub post_cleanup {	4041	sub post_cleanup {
3586	my ($make_core) = @_;	4042	my ($make_core) = @_;
3587		4043
		4044	IO::AIO::flush;
		4045
3588	warn Carp::longmess "post_cleanup backtrace"	4046	error Carp::longmess "post_cleanup backtrace"
3589	if $make_core;	4047	if $make_core;
		4048
		4049	my $fh = pidfile;
		4050	unlink $PIDFILE if <$fh> == $$;
		4051	}
		4052
		4053	# a safer delete_package, copied from Symbol
		4054	sub clear_package($) {
		4055	my $pkg = shift;
		4056
		4057	# expand to full symbol table name if needed
		4058	unless ($pkg =~ /^main::.*::$/) {
		4059	$pkg = "main$pkg" if $pkg =~ /^::/;
		4060	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		4061	$pkg .= '::' unless $pkg =~ /::$/;
		4062	}
		4063
		4064	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		4065	my $stem_symtab = *{$stem}{HASH};
		4066
		4067	defined $stem_symtab and exists $stem_symtab->{$leaf}
		4068	or return;
		4069
		4070	# clear all symbols
		4071	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		4072	for my $name (keys %$leaf_symtab) {
		4073	_gv_clear *{"$pkg$name"};
		4074	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		4075	}
3590	}	4076	}
3591		4077
3592	sub do_reload_perl() {	4078	sub do_reload_perl() {
3593	# can/must only be called in main	4079	# can/must only be called in main
3594	if ($Coro::current != $Coro::main) {	4080	unless (in_main) {
3595	warn "can only reload from main coroutine";	4081	error "can only reload from main coroutine";
3596	return;	4082	return;
3597	}	4083	}
3598		4084
3599	warn "reloading...";	4085	return if $RELOAD++;
3600		4086
3601	warn "entering sync_job";	4087	my $t1 = AE::time;
3602		4088
		4089	while ($RELOAD) {
		4090	cf::get_slot 0.1, -1, "reload_perl";
		4091	info "perl_reload: reloading...";
		4092
		4093	trace "perl_reload: entering sync_job";
		4094
3603	cf::sync_job {	4095	cf::sync_job {
3604	cf::write_runtime_sync; # external watchdog should not bark
3605	cf::emergency_save;	4096	#cf::emergency_save;
3606	cf::write_runtime_sync; # external watchdog should not bark
3607		4097
3608	warn "syncing database to disk";
3609	BDB::db_env_txn_checkpoint $DB_ENV;
3610
3611	# if anything goes wrong in here, we should simply crash as we already saved
3612
3613	warn "flushing outstanding aio requests";
3614	for (;;) {
3615	BDB::flush;
3616	IO::AIO::flush;
3617	Coro::cede_notself;
3618	last unless IO::AIO::nreqs || BDB::nreqs;
3619	warn "iterate...";
3620	}
3621
3622	++$RELOAD;
3623
3624	warn "cancelling all extension coros";	4098	trace "perl_reload: cancelling all extension coros";
3625	$_->cancel for values %EXT_CORO;	4099	$_->cancel for values %EXT_CORO;
3626	%EXT_CORO = ();	4100	%EXT_CORO = ();
3627		4101
3628	warn "removing commands";	4102	trace "perl_reload: removing commands";
3629	%COMMAND = ();	4103	%COMMAND = ();
3630		4104
3631	warn "removing ext/exti commands";	4105	trace "perl_reload: removing ext/exti commands";
3632	%EXTCMD = ();	4106	%EXTCMD = ();
3633	%EXTICMD = ();	4107	%EXTICMD = ();
3634		4108
3635	warn "unloading/nuking all extensions";	4109	trace "perl_reload: unloading/nuking all extensions";
3636	for my $pkg (@EXTS) {	4110	for my $pkg (@EXTS) {
3637	warn "... unloading $pkg";	4111	trace "... unloading $pkg";
3638		4112
3639	if (my $cb = $pkg->can ("unload")) {	4113	if (my $cb = $pkg->can ("unload")) {
3640	eval {	4114	eval {
3641	$cb->($pkg);	4115	$cb->($pkg);
3642	1	4116	1
3643	} or warn "$pkg unloaded, but with errors: $@";	4117	} or error "$pkg unloaded, but with errors: $@";
		4118	}
		4119
		4120	trace "... clearing $pkg";
		4121	clear_package $pkg;
3644	}	4122	}
3645		4123
3646	warn "... nuking $pkg";
3647	Symbol::delete_package $pkg;
3648	}
3649
3650	warn "unloading all perl modules loaded from $LIBDIR";	4124	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
3651	while (my ($k, $v) = each %INC) {	4125	while (my ($k, $v) = each %INC) {
3652	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	4126	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
3653		4127
3654	warn "... unloading $k";	4128	trace "... unloading $k";
3655	delete $INC{$k};	4129	delete $INC{$k};
3656		4130
3657	$k =~ s/\.pm$//;	4131	$k =~ s/\.pm$//;
3658	$k =~ s/\//::/g;	4132	$k =~ s/\//::/g;
3659		4133
3660	if (my $cb = $k->can ("unload_module")) {	4134	if (my $cb = $k->can ("unload_module")) {
3661	$cb->();	4135	$cb->();
		4136	}
		4137
		4138	clear_package $k;
3662	}	4139	}
3663		4140
3664	Symbol::delete_package $k;
3665	}
3666
3667	warn "getting rid of safe::, as good as possible";	4141	trace "perl_reload: getting rid of safe::, as good as possible";
3668	Symbol::delete_package "safe::$_"	4142	clear_package "safe::$_"
3669	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);
3670		4144
3671	warn "unloading cf.pm \"a bit\"";	4145	trace "perl_reload: unloading cf.pm \"a bit\"";
3672	delete $INC{"cf.pm"};	4146	delete $INC{"cf.pm"};
3673	delete $INC{"cf/pod.pm"};	4147	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
3674		4148
3675	# don't, removes xs symbols, too,	4149	# don't, removes xs symbols, too,
3676	# and global variables created in xs	4150	# and global variables created in xs
3677	#Symbol::delete_package __PACKAGE__;	4151	#clear_package __PACKAGE__;
3678		4152
3679	warn "unload completed, starting to reload now";	4153	info "perl_reload: unload completed, starting to reload now";
3680		4154
3681	warn "reloading cf.pm";	4155	trace "perl_reload: reloading cf.pm";
3682	require cf;	4156	require cf;
3683	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	4157	cf::_connect_to_perl_1;
3684		4158
3685	warn "loading config and database again";	4159	trace "perl_reload: loading config and database again";
3686	cf::reload_config;	4160	cf::reload_config;
3687		4161
3688	warn "loading extensions";	4162	trace "perl_reload: loading extensions";
3689	cf::load_extensions;	4163	cf::load_extensions;
3690		4164
		4165	if ($REATTACH_ON_RELOAD) {
3691	warn "reattaching attachments to objects/players";	4166	trace "perl_reload: reattaching attachments to objects/players";
3692	_global_reattach; # objects, sockets	4167	_global_reattach; # objects, sockets
3693	warn "reattaching attachments to maps";	4168	trace "perl_reload: reattaching attachments to maps";
3694	reattach $_ for values %MAP;	4169	reattach $_ for values %MAP;
3695	warn "reattaching attachments to players";	4170	trace "perl_reload: reattaching attachments to players";
3696	reattach $_ for values %PLAYER;	4171	reattach $_ for values %PLAYER;
		4172	}
3697		4173
3698	warn "leaving sync_job";	4174	cf::_post_init 1;
3699		4175
		4176	trace "perl_reload: leaving sync_job";
		4177
3700	1	4178	1
3701	} or do {	4179	} or do {
3702	warn $@;	4180	error $@;
3703	cf::cleanup "error while reloading, exiting.";	4181	cf::cleanup "perl_reload: error, exiting.";
		4182	};
		4183
		4184	--$RELOAD;
3704	};	4185	}
3705		4186
3706	warn "reloaded";	4187	$t1 = AE::time - $t1;
		4188	info "perl_reload: completed in ${t1}s\n";
3707	};	4189	};
3708		4190
3709	our $RELOAD_WATCHER; # used only during reload	4191	our $RELOAD_WATCHER; # used only during reload
3710		4192
3711	sub reload_perl() {	4193	sub reload_perl() {
3712	# doing reload synchronously and two reloads happen back-to-back,	4194	# doing reload synchronously and two reloads happen back-to-back,
3713	# coro crashes during coro_state_free->destroy here.	4195	# coro crashes during coro_state_free->destroy here.
3714		4196
		4197	$RELOAD_WATCHER ||= cf::async {
		4198	Coro::AIO::aio_wait cache_extensions;
		4199
3715	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {	4200	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
3716	do_reload_perl;	4201	do_reload_perl;
3717	undef $RELOAD_WATCHER;	4202	undef $RELOAD_WATCHER;
		4203	};
3718	};	4204	};
3719	}	4205	}
3720		4206
3721	register_command "reload" => sub {	4207	register_command "reload" => sub {
3722	my ($who, $arg) = @_;	4208	my ($who, $arg) = @_;
…		…
3728	reload_perl;	4214	reload_perl;
3729	};	4215	};
3730	}	4216	}
3731	};	4217	};
3732		4218
3733	unshift @INC, $LIBDIR;	4219	#############################################################################
3734		4220
3735	my $bug_warning = 0;	4221	my $bug_warning = 0;
3736		4222
3737	our @WAIT_FOR_TICK;
3738	our @WAIT_FOR_TICK_BEGIN;
3739
3740	sub wait_for_tick {	4223	sub wait_for_tick() {
3741	return if tick_inhibit || $Coro::current == $Coro::main;	4224	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3742		4225
3743	my $signal = new Coro::Signal;	4226	$WAIT_FOR_TICK->wait;
3744	push @WAIT_FOR_TICK, $signal;
3745	$signal->wait;
3746	}	4227	}
3747		4228
3748	sub wait_for_tick_begin {	4229	sub wait_for_tick_begin() {
3749	return if tick_inhibit || $Coro::current == $Coro::main;	4230	return Coro::AnyEvent::poll if tick_inhibit || $Coro::current == $Coro::main;
3750		4231
3751	my $signal = new Coro::Signal;	4232	my $signal = new Coro::Signal;
3752	push @WAIT_FOR_TICK_BEGIN, $signal;	4233	push @WAIT_FOR_TICK_BEGIN, $signal;
3753	$signal->wait;	4234	$signal->wait;
3754	}	4235	}
…		…
3758	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	4239	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
3759	unless ++$bug_warning > 10;	4240	unless ++$bug_warning > 10;
3760	return;	4241	return;
3761	}	4242	}
3762		4243
3763	cf::server_tick; # one server iteration	4244	cf::one_tick; # one server iteration
		4245
		4246	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
3764		4247
3765	if ($NOW >= $NEXT_RUNTIME_WRITE) {	4248	if ($NOW >= $NEXT_RUNTIME_WRITE) {
3766	$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.;
3767	Coro::async_pool {	4250	Coro::async_pool {
3768	$Coro::current->{desc} = "runtime saver";	4251	$Coro::current->{desc} = "runtime saver";
3769	write_runtime_sync	4252	write_runtime_sync
3770	or warn "ERROR: unable to write runtime file: $!";	4253	or error "ERROR: unable to write runtime file: $!";
3771	};	4254	};
3772	}	4255	}
3773		4256
3774	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	4257	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3775	$sig->send;	4258	$sig->send;
3776	}	4259	}
3777	while (my $sig = shift @WAIT_FOR_TICK) {	4260	$WAIT_FOR_TICK->broadcast;
3778	$sig->send;
3779	}
3780		4261
3781	$LOAD = ($NOW - $TICK_START) / $TICK;	4262	$LOAD = ($NOW - $TICK_START) / $TICK;
3782	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;	4263	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3783		4264
3784	if (0) {	4265	if (0) {
3785	if ($NEXT_TICK) {	4266	if ($NEXT_TICK) {
3786	my $jitter = $TICK_START - $NEXT_TICK;	4267	my $jitter = $TICK_START - $NEXT_TICK;
3787	$JITTER = $JITTER * 0.75 + $jitter * 0.25;	4268	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
3788	warn "jitter $JITTER\n";#d#	4269	debug "jitter $JITTER\n";#d#
3789	}	4270	}
3790	}	4271	}
3791	}	4272	}
3792		4273
3793	{	4274	{
3794	# configure BDB	4275	# configure BDB
		4276	info "initialising database";
3795		4277
3796	BDB::min_parallel 8;	4278	BDB::min_parallel 16;
3797	BDB::max_poll_reqs $TICK * 0.1;	4279	BDB::max_poll_reqs $TICK * 0.1;
3798	$AnyEvent::BDB::WATCHER->priority (1);	4280	#$AnyEvent::BDB::WATCHER->priority (1);
3799		4281
3800	unless ($DB_ENV) {	4282	unless ($DB_ENV) {
3801	$DB_ENV = BDB::db_env_create;	4283	$DB_ENV = BDB::db_env_create;
3802	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);	4284	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
3803	$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;
…		…
3828	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };	4310	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3829	};	4311	};
3830	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {	4312	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
3831	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };	4313	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3832	};	4314	};
		4315
		4316	info "database initialised";
3833	}	4317	}
3834		4318
3835	{	4319	{
3836	# configure IO::AIO	4320	# configure IO::AIO
3837		4321
		4322	info "initialising aio";
3838	IO::AIO::min_parallel 8;	4323	IO::AIO::min_parallel 8;
3839	IO::AIO::max_poll_time $TICK * 0.1;	4324	IO::AIO::max_poll_time $TICK * 0.1;
3840	undef $AnyEvent::AIO::WATCHER;	4325	undef $AnyEvent::AIO::WATCHER;
		4326	info "aio initialised";
3841	}	4327	}
3842		4328
3843	my $_log_backtrace;	4329	our $_log_backtrace;
		4330	our $_log_backtrace_last;
3844		4331
3845	sub _log_backtrace {	4332	sub _log_backtrace {
3846	my ($msg, @addr) = @_;	4333	my ($msg, @addr) = @_;
3847		4334
3848	$msg =~ s/\n//;	4335	$msg =~ s/\n$//;
3849		4336
		4337	if ($_log_backtrace_last eq $msg) {
		4338	LOG llevInfo, "[ABT] $msg\n";
		4339	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
3850	# limit the # of concurrent backtraces	4340	# limit the # of concurrent backtraces
3851	if ($_log_backtrace < 2) {	4341	} elsif ($_log_backtrace < 2) {
		4342	$_log_backtrace_last = $msg;
3852	++$_log_backtrace;	4343	++$_log_backtrace;
		4344	my $perl_bt = Carp::longmess $msg;
3853	async {	4345	async {
3854	$Coro::current->{desc} = "abt $msg";	4346	$Coro::current->{desc} = "abt $msg";
3855		4347
3856	my @bt = fork_call {	4348	my @bt = fork_call {
3857	@addr = map { sprintf "%x", $_ } @addr;	4349	@addr = map { sprintf "%x", $_ } @addr;
…		…
3868	}	4360	}
3869		4361
3870	@funcs	4362	@funcs
3871	};	4363	};
3872		4364
3873	LOG llevInfo, "[ABT] $msg\n";	4365	LOG llevInfo, "[ABT] $perl_bt\n";
		4366	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
3874	LOG llevInfo, "[ABT] $_\n" for @bt;	4367	LOG llevInfo, "[ABT] $_\n" for @bt;
3875	--$_log_backtrace;	4368	--$_log_backtrace;
3876	};	4369	};
3877	} else {	4370	} else {
3878	LOG llevInfo, "[ABT] $msg\n";	4371	LOG llevInfo, "[ABT] $msg\n";
3879	LOG llevInfo, "[ABT] [suppressed]\n";	4372	LOG llevInfo, "[ABT] [overload, suppressed]\n";
3880	}	4373	}
3881	}	4374	}
3882		4375
3883	# load additional modules	4376	# load additional modules
3884	use cf::pod;	4377	require "cf/$_.pm" for @EXTRA_MODULES;
		4378	cf::_connect_to_perl_2;
3885		4379
3886	END { cf::emergency_save }	4380	END { cf::emergency_save }
3887		4381
3888	1	4382	1
3889		4383

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