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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.312 by root, Sat Jul 21 18:01:26 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
		26	use BDB ();
		27	use Data::Dumper;
20	use Digest::MD5;	28	use Digest::MD5;
21	use Fcntl;	29	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	30	use YAML::Syck ();
		31	use IO::AIO 2.32 ();
24	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
25		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
27		43
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
30		46
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		48
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		50
35	our %COMMAND = ();	51	our %COMMAND = ();
36	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
		53
		54	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
		57	our %EXT_CORO = (); # coroutines bound to extensions
		58	our %EXT_MAP = (); # pluggable maps
38		59
		60	our $RELOAD; # number of reloads so far
39	our @EVENT;	61	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		62
42	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	79	our $NEXT_TICK;
45	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
46		85
47	our %CFG;	86	our %CFG;
48		87
49	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	89	our $RUNTIME;
51		90
		91	our %PLAYER; # all users
52	our %MAP; # all maps	92	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	94
55	our %EXT_CORO;	95	# used to convert map paths into valid unix filenames by replacing / by ∕
		96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
56		101
57	binmode STDOUT;	102	binmode STDOUT;
58	binmode STDERR;	103	binmode STDERR;
59		104
60	# read virtual server time, if available	105	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
65	}	110	}
66		111
67	mkdir cf::localdir;	112	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		114
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
76		118
77	#############################################################################	119	#############################################################################
78		120
79	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
80		122
…		…
87	=item $cf::RUNTIME	129	=item $cf::RUNTIME
88		130
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	132	every server tick.
91		133
92	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		137
94	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
96		142
97	=item $cf::NOW	143	=item $cf::NOW
98		144
99	The time of the last (current) server tick.	145	The time of the last (current) server tick.
100		146
101	=item $cf::TICK	147	=item $cf::TICK
102		148
103	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
104		160
105	=item %cf::CFG	161	=item %cf::CFG
106		162
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	164	from wherever your confdir points to.
		165
		166	=item cf::wait_for_tick, cf::wait_for_tick_begin
		167
		168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		169	returns directly I<after> the tick processing (and consequently, can only wake one process
		170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
109		177
110	=back	178	=back
111		179
112	=cut	180	=cut
113		181
114	BEGIN {	182	BEGIN {
115	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	184	my $msg = join "", @_;
117	utf8::encode $msg;
118		185
119	$msg .= "\n"	186	$msg .= "\n"
120	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
121		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	192	LOG llevError, $msg;
123	};	193	};
124	}	194	}
125		195
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
132		203
133	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
134	# within the Safe compartment.	205	# within the Safe compartment.
135	for my $pkg (qw(	206	for my $pkg (qw(
136	cf::global cf::attachable	207	cf::global cf::attachable
…		…
145		216
146	$Event::DIED = sub {	217	$Event::DIED = sub {
147	warn "error in event callback: @_";	218	warn "error in event callback: @_";
148	};	219	};
149		220
150	my %ext_pkg;	221	#############################################################################
151	my @exts;
152	my @hook;
153		222
154	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
155		224
156	=over 4	225	=over 4
157		226
158	=cut	227	=item dumpval $ref
159		228
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	229	=cut
		230
		231	sub dumpval {
		232	eval {
		233	local $SIG{__DIE__};
		234	my $d;
		235	if (1) {
		236	$d = new Data::Dumper([$_[0]], ["*var"]);
		237	$d->Terse(1);
		238	$d->Indent(2);
		239	$d->Quotekeys(0);
		240	$d->Useqq(1);
		241	#$d->Bless(...);
		242	$d->Seen($_[1]) if @_ > 1;
		243	$d = $d->Dump();
		244	}
		245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		246	$d
		247	} || "[unable to dump $_[0]: '$@']";
		248	}
161		249
162	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
163		251
164	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
165		253
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
174		255
175	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
176		257
177	=cut	258	=cut
178		259
179	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
181	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
182	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
183		264
184	=item cf::lock_wait $string	265	=item cf::lock_wait $string
185		266
186	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
187		268
…		…
193	returned.	274	returned.
194		275
195	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
197		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
198	=cut	283	=cut
199		284
200	our %LOCK;	285	our %LOCK;
201		286
202	sub lock_wait($) {	287	sub lock_wait($) {
…		…
221	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
223	}	308	}
224	}	309	}
225		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
		315	}
		316
226	sub freeze_mainloop {	317	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
228		319
229	my $guard = Coro::guard { $TICK_WATCHER->start };	320	my $guard = Coro::guard {
		321	$TICK_WATCHER->start;
		322	};
230	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
231	$guard	324	$guard
232	}	325	}
233		326
		327	=item cf::async { BLOCK }
		328
		329	Currently the same as Coro::async_pool, meaning you cannot use
		330	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		331	thing you are allowed to do is call C<prio> on it.
		332
		333	=cut
		334
		335	BEGIN { *async = \&Coro::async_pool }
		336
234	=item cf::sync_job { BLOCK }	337	=item cf::sync_job { BLOCK }
235		338
236	The design of crossfire+ requires that the main coro ($Coro::main) is	339	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
237	always able to handle events or runnable, as crossfire+ is only partly	340	is always able to handle events or runnable, as Crossfire TRT is only
238	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	341	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		342	acceptable.
239		343
240	If it must be done, put the blocking parts into C<sync_job>. This will run	344	If it must be done, put the blocking parts into C<sync_job>. This will run
241	the given BLOCK in another coroutine while waiting for the result. The	345	the given BLOCK in another coroutine while waiting for the result. The
242	server will be frozen during this time, so the block should either finish	346	server will be frozen during this time, so the block should either finish
243	fast or be very important.	347	fast or be very important.
…		…
246		350
247	sub sync_job(&) {	351	sub sync_job(&) {
248	my ($job) = @_;	352	my ($job) = @_;
249		353
250	if ($Coro::current == $Coro::main) {	354	if ($Coro::current == $Coro::main) {
		355	my $time = Event::time;
		356
251	# this is the main coro, too bad, we have to block	357	# this is the main coro, too bad, we have to block
252	# till the operation succeeds, freezing the server :/	358	# till the operation succeeds, freezing the server :/
253		359
254	# TODO: use suspend/resume instead	360	# TODO: use suspend/resume instead
255	# (but this is cancel-safe)	361	# (but this is cancel-safe)
256	my $freeze_guard = freeze_mainloop;	362	my $freeze_guard = freeze_mainloop;
257		363
258	my $busy = 1;	364	my $busy = 1;
259	my @res;	365	my @res;
260		366
261	(Coro::async_pool {	367	(async {
262	@res = eval { $job->() };	368	@res = eval { $job->() };
263	warn $@ if $@;	369	warn $@ if $@;
264	undef $busy;	370	undef $busy;
265	})->prio (Coro::PRIO_MAX);	371	})->prio (Coro::PRIO_MAX);
266		372
267	while ($busy) {	373	while ($busy) {
268	unless (Coro::cede) {	374	Coro::cede or Event::one_event;
269	Coro::nready ? Event::one_event 0 : Event::one_event;
270	Coro::cede_notself unless Coro::cede;
271	}	375	}
272	}	376
		377	$time = Event::time - $time;
		378
		379	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		380	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		381
		382	$tick_start += $time; # do not account sync jobs to server load
273		383
274	wantarray ? @res : $res[0]	384	wantarray ? @res : $res[0]
275	} else {	385	} else {
276	# we are in another coroutine, how wonderful, everything just works	386	# we are in another coroutine, how wonderful, everything just works
277		387
278	$job->()	388	$job->()
279	}	389	}
280	}	390	}
281		391
282	=item $coro = cf::coro { BLOCK }	392	=item $coro = cf::async_ext { BLOCK }
283		393
284	Creates (and readies) and returns a new coro. This coro is automcatially	394	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	395	extension calling this is being unloaded.
286		396
287	=cut	397	=cut
288		398
289	sub coro(&) {	399	sub async_ext(&) {
290	my $cb = shift;	400	my $cb = shift;
291		401
292	my $coro = &Coro::async_pool ($cb);	402	my $coro = &Coro::async ($cb);
293		403
294	$coro->on_destroy (sub {	404	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	405	delete $EXT_CORO{$coro+0};
296	});	406	});
297	$EXT_CORO{$coro+0} = $coro;	407	$EXT_CORO{$coro+0} = $coro;
298		408
299	$coro	409	$coro
300	}	410	}
301		411
302	sub write_runtime {	412	=item fork_call { }, $args
303	my $runtime = cf::localdir . "/runtime";
304		413
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	414	Executes the given code block with the given arguments in a seperate
306	or return;	415	process, returning the results. Everything must be serialisable with
		416	Coro::Storable. May, of course, block. Note that the executed sub may
		417	never block itself or use any form of Event handling.
307		418
308	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	419	=cut
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;
311		420
312	aio_fsync $fh	421	sub _store_scalar {
313	and return;	422	open my $fh, ">", \my $buf
314		423	or die "fork_call: cannot open fh-to-buf in child : $!";
		424	Storable::store_fd $_[0], $fh;
315	close $fh	425	close $fh;
316	or return;
317		426
318	aio_rename "$runtime~", $runtime	427	$buf
319	and return;	428	}
320		429
		430	sub fork_call(&@) {
		431	my ($cb, @args) = @_;
		432
		433	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		434	# or die "socketpair: $!";
		435	pipe my $fh1, my $fh2
		436	or die "pipe: $!";
		437
		438	if (my $pid = fork) {
		439	close $fh2;
		440
		441	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		442	warn "pst<$res>" unless $res =~ /^pst/;
		443	$res = Coro::Storable::thaw $res;
		444
		445	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		446
		447	Carp::confess $$res unless "ARRAY" eq ref $res;
		448
		449	return wantarray ? @$res : $res->[-1];
		450	} else {
		451	reset_signals;
		452	local $SIG{__WARN__};
		453	local $SIG{__DIE__};
		454	# just in case, this hack effectively disables event
		455	# in the child. cleaner and slower would be canceling all watchers,
		456	# but this works for the time being.
		457	local $Coro::idle;
		458	$Coro::current->prio (Coro::PRIO_MAX);
		459
		460	eval {
		461	close $fh1;
		462
		463	my @res = eval { $cb->(@args) };
		464
		465	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		466	close $fh2;
		467	};
		468
		469	warn $@ if $@;
		470	_exit 0;
321	1	471	}
		472	}
		473
		474	=item $value = cf::db_get $family => $key
		475
		476	Returns a single value from the environment database.
		477
		478	=item cf::db_put $family => $key => $value
		479
		480	Stores the given C<$value> in the family. It can currently store binary
		481	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		482
		483	=cut
		484
		485	our $DB;
		486
		487	sub db_init {
		488	unless ($DB) {
		489	$DB = BDB::db_create $DB_ENV;
		490
		491	cf::sync_job {
		492	eval {
		493	$DB->set_flags (BDB::CHKSUM);
		494
		495	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		496	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		497	cf::cleanup "db_open(db): $!" if $!;
		498	};
		499	cf::cleanup "db_open(db): $@" if $@;
		500	};
		501	}
		502	}
		503
		504	sub db_get($$) {
		505	my $key = "$_[0]/$_[1]";
		506
		507	cf::sync_job {
		508	BDB::db_get $DB, undef, $key, my $data;
		509
		510	$! ? ()
		511	: $data
		512	}
		513	}
		514
		515	sub db_put($$$) {
		516	BDB::dbreq_pri 4;
		517	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		518	}
		519
		520	=item cf::cache $id => [$paths...], $processversion => $process
		521
		522	Generic caching function that returns the value of the resource $id,
		523	caching and regenerating as required.
		524
		525	This function can block.
		526
		527	=cut
		528
		529	sub cache {
		530	my ($id, $src, $processversion, $process) = @_;
		531
		532	my $meta =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	aio_stat $_
		537	and Carp::croak "$_: $!";
		538
		539	($_, (stat _)[7,9])
		540	} @$src;
		541
		542	my $dbmeta = db_get cache => "$id/meta";
		543	if ($dbmeta ne $meta) {
		544	# changed, we may need to process
		545
		546	my @data;
		547	my $md5;
		548
		549	for (0 .. $#$src) {
		550	0 <= aio_load $src->[$_], $data[$_]
		551	or Carp::croak "$src->[$_]: $!";
		552	}
		553
		554	# if processing is expensive, check
		555	# checksum first
		556	if (1) {
		557	$md5 =
		558	join "\x00",
		559	$processversion,
		560	map {
		561	Coro::cede;
		562	($src->[$_], Digest::MD5::md5_hex $data[$_])
		563	} 0.. $#$src;
		564
		565
		566	my $dbmd5 = db_get cache => "$id/md5";
		567	if ($dbmd5 eq $md5) {
		568	db_put cache => "$id/meta", $meta;
		569
		570	return db_get cache => "$id/data";
		571	}
		572	}
		573
		574	my $t1 = Time::HiRes::time;
		575	my $data = $process->(\@data);
		576	my $t2 = Time::HiRes::time;
		577
		578	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		579
		580	db_put cache => "$id/data", $data;
		581	db_put cache => "$id/md5" , $md5;
		582	db_put cache => "$id/meta", $meta;
		583
		584	return $data;
		585	}
		586
		587	db_get cache => "$id/data"
		588	}
		589
		590	=item cf::datalog type => key => value, ...
		591
		592	Log a datalog packet of the given type with the given key-value pairs.
		593
		594	=cut
		595
		596	sub datalog($@) {
		597	my ($type, %kv) = @_;
		598	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
322	}	599	}
323		600
324	=back	601	=back
325		602
326	=cut	603	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($class, $path, $base) = @_;
334
335	$path = $path->as_string if ref $path;
336
337	my $self = bless { }, $class;
338
339	# {... are special paths that are not touched
340	# ?xxx/... are special absolute paths
341	# ?random/... random maps
342	# /! non-realised random map exit
343	# /... normal maps
344	# ~/... per-player maps without a specific player (DO NOT USE)
345	# ~user/... per-player map of a specific user
346
347	if ($path =~ /^{/) {
348	# fine as it is
349	} elsif ($path =~ s{^\?random/}{}) {
350	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
351	$self->{random} = cf::from_json $data;
352	} else {
353	if ($path =~ s{^~([^/]+)?}{}) {
354	$self->{user_rel} = 1;
355
356	if (defined $1) {
357	$self->{user} = $1;
358	} elsif ($base =~ m{^~([^/]+)/}) {
359	$self->{user} = $1;
360	} else {
361	warn "cannot resolve user-relative path without user <$path,$base>\n";
362	}
363	} elsif ($path =~ /^\//) {
364	# already absolute
365	} else {
366	$base =~ s{[^/]+/?$}{};
367	return $class->new ("$base/$path");
368	}
369
370	for ($path) {
371	redo if s{/\.?/}{/};
372	redo if s{/[^/]+/\.\./}{/};
373	}
374	}
375
376	$self->{path} = $path;
377
378	$self
379	}
380
381	# the name / primary key / in-game path
382	sub as_string {
383	my ($self) = @_;
384
385	$self->{user_rel} ? "~$self->{user}$self->{path}"
386	: $self->{random} ? "?random/$self->{path}"
387	: $self->{path}
388	}
389
390	# the displayed name, this is a one way mapping
391	sub visible_name {
392	my ($self) = @_;
393
394	# if (my $rmp = $self->{random}) {
395	# # todo: be more intelligent about this
396	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
397	# } else {
398	$self->as_string
399	# }
400	}
401
402	# escape the /'s in the path
403	sub _escaped_path {
404	# ∕ is U+2215
405	(my $path = $_[0]{path}) =~ s/\//∕/g;
406	$path
407	}
408
409	# the original (read-only) location
410	sub load_path {
411	my ($self) = @_;
412
413	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
414	}
415
416	# the temporary/swap location
417	sub save_path {
418	my ($self) = @_;
419
420	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
421	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
422	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
423	}
424
425	# the unique path, might be eq to save_path
426	sub uniq_path {
427	my ($self) = @_;
428
429	$self->{user_rel} || $self->{random}
430	? undef
431	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
432	}
433
434	# return random map parameters, or undef
435	sub random_map_params {
436	my ($self) = @_;
437
438	$self->{random}
439	}
440
441	# this is somewhat ugly, but style maps do need special treatment
442	sub is_style_map {
443	$_[0]{path} =~ m{^/styles/}
444	}
445
446	package cf;
447		604
448	#############################################################################	605	#############################################################################
449		606
450	=head2 ATTACHABLE OBJECTS	607	=head2 ATTACHABLE OBJECTS
451		608
…		…
453	attach callbacks/event handlers (a collection of which is called an "attachment")	610	attach callbacks/event handlers (a collection of which is called an "attachment")
454	to it. All such attachable objects support the following methods.	611	to it. All such attachable objects support the following methods.
455		612
456	In the following description, CLASS can be any of C<global>, C<object>	613	In the following description, CLASS can be any of C<global>, C<object>
457	C<player>, C<client> or C<map> (i.e. the attachable objects in	614	C<player>, C<client> or C<map> (i.e. the attachable objects in
458	crossfire+).	615	Crossfire TRT).
459		616
460	=over 4	617	=over 4
461		618
462	=item $attachable->attach ($attachment, key => $value...)	619	=item $attachable->attach ($attachment, key => $value...)
463		620
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	734	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	735	our @CB_MAP = ();
579		736
580	my %attachment;	737	my %attachment;
581		738
		739	sub cf::attachable::thawer_merge {
		740	# simply override everything except _meta
		741	local $_[0]{_meta};
		742	%{$_[0]} = %{$_[1]};
		743	}
		744
582	sub _attach_cb($$$$) {	745	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	746	my ($registry, $event, $prio, $cb) = @_;
584		747
585	use sort 'stable';	748	use sort 'stable';
586		749
…		…
620	$registry = $CB_TYPE[$object_type] ||= [];	783	$registry = $CB_TYPE[$object_type] ||= [];
621		784
622	} elsif ($type eq "subtype") {	785	} elsif ($type eq "subtype") {
623	defined $object_type or Carp::croak "subtype specified without type";	786	defined $object_type or Carp::croak "subtype specified without type";
624	my $object_subtype = shift @arg;	787	my $object_subtype = shift @arg;
625	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	788	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
626		789
627	} elsif ($type eq "package") {	790	} elsif ($type eq "package") {
628	my $pkg = shift @arg;	791	my $pkg = shift @arg;
629		792
630	while (my ($name, $id) = each %cb_id) {	793	while (my ($name, $id) = each %cb_id) {
…		…
659	_attach $registry, $klass, @attach;	822	_attach $registry, $klass, @attach;
660	}	823	}
661		824
662	$obj->{$name} = \%arg;	825	$obj->{$name} = \%arg;
663	} else {	826	} else {
664	warn "object uses attachment '$name' that is not available, postponing.\n";	827	warn "object uses attachment '$name' which is not available, postponing.\n";
665	}	828	}
666		829
667	$obj->{_attachment}{$name} = undef;	830	$obj->{_attachment}{$name} = undef;
668	}	831	}
669		832
…		…
671	if (ref $_[0]) {	834	if (ref $_[0]) {
672	_object_attach @_;	835	_object_attach @_;
673	} else {	836	} else {
674	_attach shift->_attach_registry, @_;	837	_attach shift->_attach_registry, @_;
675	}	838	}
		839	_recalc_want;
676	};	840	};
677		841
678	# all those should be optimised	842	# all those should be optimised
679	sub cf::attachable::detach {	843	sub cf::attachable::detach {
680	my ($obj, $name) = @_;	844	my ($obj, $name) = @_;
…		…
683	delete $obj->{_attachment}{$name};	847	delete $obj->{_attachment}{$name};
684	reattach ($obj);	848	reattach ($obj);
685	} else {	849	} else {
686	Carp::croak "cannot, currently, detach class attachments";	850	Carp::croak "cannot, currently, detach class attachments";
687	}	851	}
		852	_recalc_want;
688	};	853	};
689		854
690	sub cf::attachable::attached {	855	sub cf::attachable::attached {
691	my ($obj, $name) = @_;	856	my ($obj, $name) = @_;
692		857
…		…
707	";	872	";
708	die if $@;	873	die if $@;
709	}	874	}
710		875
711	our $override;	876	our $override;
712	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	877	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
713		878
714	sub override {	879	sub override {
715	$override = 1;	880	$override = 1;
716	@invoke_results = ();	881	@INVOKE_RESULTS = (@_);
717	}	882	}
718		883
719	sub do_invoke {	884	sub do_invoke {
720	my $event = shift;	885	my $event = shift;
721	my $callbacks = shift;	886	my $callbacks = shift;
722		887
723	@invoke_results = ();	888	@INVOKE_RESULTS = ();
724		889
725	local $override;	890	local $override;
726		891
727	for (@$callbacks) {	892	for (@$callbacks) {
728	eval { &{$_->[1]} };	893	eval { &{$_->[1]} };
…		…
745		910
746	Generate an object-specific event with the given arguments.	911	Generate an object-specific event with the given arguments.
747		912
748	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	913	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
749	removed in future versions), and there is no public API to access override	914	removed in future versions), and there is no public API to access override
750	results (if you must, access C<@cf::invoke_results> directly).	915	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
751		916
752	=back	917	=back
753		918
754	=cut	919	=cut
755		920
756	#############################################################################	921	#############################################################################
757	# object support	922	# object support
		923	#
		924
		925	sub _can_merge {
		926	my ($ob1, $ob2) = @_;
		927
		928	local $Storable::canonical = 1;
		929	my $fob1 = Storable::freeze $ob1;
		930	my $fob2 = Storable::freeze $ob2;
		931
		932	$fob1 eq $fob2
		933	}
758		934
759	sub reattach {	935	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	936	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	937	my ($obj) = @_;
		938
		939	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		940
763	my $registry = $obj->registry;	941	my $registry = $obj->registry;
764		942
765	@$registry = ();	943	@$registry = ();
766		944
…		…
813	$filename, length $$rdata, scalar @$objs;	991	$filename, length $$rdata, scalar @$objs;
814		992
815	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	993	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
816	chmod SAVE_MODE, $fh;	994	chmod SAVE_MODE, $fh;
817	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	995	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
818	aio_fsync $fh;	996	aio_fsync $fh if $cf::USE_FSYNC;
819	close $fh;	997	close $fh;
820		998
821	if (@$objs) {	999	if (@$objs) {
822	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1000	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	1001	chmod SAVE_MODE, $fh;
824	my $data = Storable::nfreeze { version => 1, objs => $objs };	1002	my $data = Storable::nfreeze { version => 1, objs => $objs };
825	aio_write $fh, 0, (length $data), $data, 0;	1003	aio_write $fh, 0, (length $data), $data, 0;
826	aio_fsync $fh;	1004	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	1005	close $fh;
828	aio_rename "$filename.pst~", "$filename.pst";	1006	aio_rename "$filename.pst~", "$filename.pst";
829	}	1007	}
830	} else {	1008	} else {
831	aio_unlink "$filename.pst";	1009	aio_unlink "$filename.pst";
…		…
863	or return;	1041	or return;
864	$av = eval { (Storable::thaw $av)->{objs} };	1042	$av = eval { (Storable::thaw $av)->{objs} };
865	}	1043	}
866		1044
867	warn sprintf "loading %s (%d)\n",	1045	warn sprintf "loading %s (%d)\n",
868	$filename, length $data, scalar @{$av || []};#d#	1046	$filename, length $data, scalar @{$av || []};
869	return ($data, $av);	1047	return ($data, $av);
870	}	1048	}
		1049
		1050	=head2 COMMAND CALLBACKS
		1051
		1052	=over 4
		1053
		1054	=cut
871		1055
872	#############################################################################	1056	#############################################################################
873	# command handling &c	1057	# command handling &c
874		1058
875	=item cf::register_command $name => \&callback($ob,$args);	1059	=item cf::register_command $name => \&callback($ob,$args);
…		…
888	push @{ $COMMAND{$name} }, [$caller, $cb];	1072	push @{ $COMMAND{$name} }, [$caller, $cb];
889	}	1073	}
890		1074
891	=item cf::register_extcmd $name => \&callback($pl,$packet);	1075	=item cf::register_extcmd $name => \&callback($pl,$packet);
892		1076
893	Register a callbackf ro execution when the client sends an extcmd packet.	1077	Register a callback for execution when the client sends an (synchronous)
		1078	extcmd packet. Ext commands will be processed in the order they are
		1079	received by the server, like other user commands. The first argument is
		1080	the logged-in player. Ext commands can only be processed after a player
		1081	has logged in successfully.
894		1082
895	If the callback returns something, it is sent back as if reply was being	1083	If the callback returns something, it is sent back as if reply was being
896	called.	1084	called.
897		1085
		1086	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1087
		1088	Register a callback for execution when the client sends an (asynchronous)
		1089	exticmd packet. Exti commands are processed by the server as soon as they
		1090	are received, i.e. out of order w.r.t. other commands. The first argument
		1091	is a client socket. Exti commands can be received anytime, even before
		1092	log-in.
		1093
		1094	If the callback returns something, it is sent back as if reply was being
		1095	called.
		1096
898	=cut	1097	=cut
899		1098
900	sub register_extcmd {	1099	sub register_extcmd {
901	my ($name, $cb) = @_;	1100	my ($name, $cb) = @_;
902		1101
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	1102	$EXTCMD{$name} = $cb;
		1103	}
		1104
		1105	sub register_exticmd {
		1106	my ($name, $cb) = @_;
		1107
		1108	$EXTICMD{$name} = $cb;
907	}	1109	}
908		1110
909	cf::player->attach (	1111	cf::player->attach (
910	on_command => sub {	1112	on_command => sub {
911	my ($pl, $name, $params) = @_;	1113	my ($pl, $name, $params) = @_;
…		…
920	cf::override;	1122	cf::override;
921	},	1123	},
922	on_extcmd => sub {	1124	on_extcmd => sub {
923	my ($pl, $buf) = @_;	1125	my ($pl, $buf) = @_;
924		1126
925	my $msg = eval { from_json $buf };	1127	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
926		1128
927	if (ref $msg) {	1129	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1130	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	1131	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	1132	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	1133	}
932	}	1134	}
933	} else {	1135	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1136	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		1138
937	cf::override;	1139	cf::override;
938	},	1140	},
939	);	1141	);
940		1142
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	1143	sub load_extensions {
		1144	cf::sync_job {
		1145	my %todo;
		1146
		1147	for my $path (<$LIBDIR/*.ext>) {
		1148	next unless -r $path;
		1149
		1150	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1151	my $base = $1;
		1152	my $pkg = $1;
		1153	$pkg =~ s/[^[:word:]]/_/g;
		1154	$pkg = "ext::$pkg";
		1155
		1156	open my $fh, "<:utf8", $path
		1157	or die "$path: $!";
		1158
		1159	my $source = do { local $/; <$fh> };
		1160
		1161	my %ext = (
		1162	path => $path,
		1163	base => $base,
		1164	pkg => $pkg,
		1165	);
		1166
		1167	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1168	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1169
		1170	$ext{source} =
		1171	"package $pkg; use strict; use utf8;\n"
		1172	. "#line 1 \"$path\"\n{\n"
		1173	. $source
		1174	. "\n};\n1";
		1175
		1176	$todo{$base} = \%ext;
		1177	}
		1178
		1179	my %done;
		1180	while (%todo) {
		1181	my $progress;
		1182
		1183	while (my ($k, $v) = each %todo) {
		1184	for (split /,\s*/, $v->{meta}{depends}) {
		1185	goto skip
		1186	unless exists $done{$_};
		1187	}
		1188
		1189	warn "... loading '$k' into '$v->{pkg}'\n";
		1190
		1191	unless (eval $v->{source}) {
		1192	my $msg = $@ ? "$v->{path}: $@\n"
		1193	: "$v->{base}: extension inactive.\n";
		1194
		1195	if (exists $v->{meta}{mandatory}) {
		1196	warn $msg;
		1197	warn "mandatory extension failed to load, exiting.\n";
		1198	exit 1;
		1199	}
		1200
		1201	warn $msg;
		1202	}
		1203
		1204	$done{$k} = delete $todo{$k};
		1205	push @EXTS, $v->{pkg};
		1206	$progress = 1;
		1207	}
		1208
		1209	skip:
		1210	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1211	unless $progress;
		1212	}
		1213	};
		1214	}
		1215
		1216	#############################################################################
		1217
		1218	=back
		1219
		1220	=head2 CORE EXTENSIONS
		1221
		1222	Functions and methods that extend core crossfire objects.
		1223
		1224	=cut
		1225
		1226	package cf::player;
		1227
		1228	use Coro::AIO;
		1229
		1230	=head3 cf::player
		1231
		1232	=over 4
		1233
		1234	=item cf::player::find $login
		1235
		1236	Returns the given player object, loading it if necessary (might block).
		1237
		1238	=cut
		1239
		1240	sub playerdir($) {
		1241	"$PLAYERDIR/"
		1242	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1243	}
		1244
		1245	sub path($) {
		1246	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1247
		1248	(playerdir $login) . "/playerdata"
		1249	}
		1250
		1251	sub find_active($) {
		1252	$cf::PLAYER{$_[0]}
		1253	and $cf::PLAYER{$_[0]}->active
		1254	and $cf::PLAYER{$_[0]}
		1255	}
		1256
		1257	sub exists($) {
		1258	my ($login) = @_;
		1259
		1260	$cf::PLAYER{$login}
		1261	or cf::sync_job { !aio_stat path $login }
		1262	}
		1263
		1264	sub find($) {
		1265	return $cf::PLAYER{$_[0]} || do {
		1266	my $login = $_[0];
		1267
		1268	my $guard = cf::lock_acquire "user_find:$login";
		1269
		1270	$cf::PLAYER{$_[0]} || do {
		1271	# rename old playerfiles to new ones
		1272	#TODO: remove when no longer required
		1273	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1274	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1275	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1276	aio_unlink +(playerdir $login) . "/$login.pl";
		1277
		1278	my $pl = load_pl path $login
		1279	or return;
		1280	$cf::PLAYER{$login} = $pl
		1281	}
		1282	}
		1283	}
		1284
		1285	sub save($) {
		1286	my ($pl) = @_;
		1287
		1288	return if $pl->{deny_save};
		1289
		1290	my $path = path $pl;
		1291	my $guard = cf::lock_acquire "user_save:$path";
		1292
		1293	return if $pl->{deny_save};
		1294
		1295	aio_mkdir playerdir $pl, 0770;
		1296	$pl->{last_save} = $cf::RUNTIME;
		1297
		1298	$pl->save_pl ($path);
		1299	Coro::cede;
		1300	}
		1301
		1302	sub new($) {
		1303	my ($login) = @_;
		1304
		1305	my $self = create;
		1306
		1307	$self->ob->name ($login);
		1308	$self->{deny_save} = 1;
		1309
		1310	$cf::PLAYER{$login} = $self;
		1311
		1312	$self
		1313	}
		1314
		1315	=item $pl->quit_character
		1316
		1317	Nukes the player without looking back. If logged in, the connection will
		1318	be destroyed. May block for a long time.
		1319
		1320	=cut
		1321
		1322	sub quit_character {
		1323	my ($pl) = @_;
		1324
		1325	my $name = $pl->ob->name;
		1326
		1327	$pl->{deny_save} = 1;
		1328	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1329
		1330	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1331	$pl->deactivate;
		1332	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1333	$pl->ns->destroy if $pl->ns;
		1334
		1335	my $path = playerdir $pl;
		1336	my $temp = "$path~$cf::RUNTIME~deleting~";
		1337	aio_rename $path, $temp;
		1338	delete $cf::PLAYER{$pl->ob->name};
		1339	$pl->destroy;
		1340
		1341	my $prefix = qr<^~\Q$name\E/>;
		1342
		1343	# nuke player maps
		1344	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1345
		1346	IO::AIO::aio_rmtree $temp;
		1347	}
		1348
		1349	=item $pl->kick
		1350
		1351	Kicks a player out of the game. This destroys the connection.
		1352
		1353	=cut
		1354
		1355	sub kick {
		1356	my ($pl, $kicker) = @_;
		1357
		1358	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1359	$pl->killer ("kicked");
		1360	$pl->ns->destroy;
		1361	}
		1362
		1363	=item cf::player::list_logins
		1364
		1365	Returns am arrayref of all valid playernames in the system, can take a
		1366	while and may block, so not sync_job-capable, ever.
		1367
		1368	=cut
		1369
		1370	sub list_logins {
		1371	my $dirs = aio_readdir $PLAYERDIR
		1372	or return [];
		1373
		1374	my @logins;
		1375
		1376	for my $login (@$dirs) {
		1377	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1378	aio_read $fh, 0, 512, my $buf, 0 or next;
		1379	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1380
		1381	utf8::decode $login;
		1382	push @logins, $login;
		1383	}
		1384
		1385	\@logins
		1386	}
		1387
		1388	=item $player->maps
		1389
		1390	Returns an arrayref of map paths that are private for this
		1391	player. May block.
		1392
		1393	=cut
		1394
		1395	sub maps($) {
		1396	my ($pl) = @_;
		1397
		1398	$pl = ref $pl ? $pl->ob->name : $pl;
		1399
		1400	my $files = aio_readdir playerdir $pl
		1401	or return;
		1402
		1403	my @paths;
		1404
		1405	for (@$files) {
		1406	utf8::decode $_;
		1407	next if /\.(?:pl|pst)$/;
		1408	next unless /^$PATH_SEP/o;
		1409
		1410	push @paths, cf::map::normalise "~$pl/$_";
		1411	}
		1412
		1413	\@paths
		1414	}
		1415
		1416	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1417
		1418	Expand crossfire pod fragments into protocol xml.
		1419
		1420	=cut
		1421
		1422	sub expand_cfpod {
		1423	((my $self), (local $_)) = @_;
		1424
		1425	# escape & and <
		1426	s/&/&amp;/g;
		1427	s/(?<![BIUGH])</&lt;/g;
		1428
		1429	# this is buggy, it needs to properly take care of nested <'s
		1430
		1431	1 while
		1432	# replace B<>, I<>, U<> etc.
		1433	s/B<([^\>]*)>/<b>$1<\/b>/
		1434	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1435	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1436	# replace G<male|female> tags
		1437	|| s{G<([^>|]*)\|([^>]*)>}{
		1438	$self->gender ? $2 : $1
		1439	}ge
		1440	# replace H<hint text>
		1441	|| s{H<([^\>]*)>}
		1442	{
		1443	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1444	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1445	"")
		1446	[$self->{hintmode}]
		1447	}ge;
		1448
		1449	# create single paragraphs (very hackish)
		1450	s/(?<=\S)\n(?=\w)/ /g;
		1451
		1452	# compress some whitespace
		1453	s/\s+\n/\n/g; # ws line-ends
		1454	s/\n\n+/\n/g; # double lines
		1455	s/^\n+//; # beginning lines
		1456	s/\n+$//; # ending lines
		1457
		1458	$_
		1459	}
		1460
		1461	sub hintmode {
		1462	$_[0]{hintmode} = $_[1] if @_ > 1;
		1463	$_[0]{hintmode}
		1464	}
		1465
		1466	=item $player->ext_reply ($msgid, %msg)
		1467
		1468	Sends an ext reply to the player.
		1469
		1470	=cut
		1471
		1472	sub ext_reply($$%) {
		1473	my ($self, $id, %msg) = @_;
		1474
		1475	$msg{msgid} = $id;
		1476	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
		1477	}
		1478
		1479	=item $player->ext_event ($type, %msg)
		1480
		1481	Sends an ext event to the client.
		1482
		1483	=cut
		1484
		1485	sub ext_event($$%) {
		1486	my ($self, $type, %msg) = @_;
		1487
		1488	$self->ns->ext_event ($type, %msg);
		1489	}
		1490
		1491	=head3 cf::region
		1492
		1493	=over 4
		1494
		1495	=cut
		1496
		1497	package cf::region;
		1498
		1499	=item cf::region::find_by_path $path
		1500
		1501	Tries to decuce the likely region for a map knowing only its path.
		1502
		1503	=cut
		1504
		1505	sub find_by_path($) {
948	my ($path) = @_;	1506	my ($path) = @_;
949		1507
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1508	my ($match, $specificity);
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955		1509
956	warn "loading '$path' into '$pkg'\n";	1510	for my $region (list) {
957		1511	if ($region->{match} && $path =~ $region->{match}) {
958	open my $fh, "<:utf8", $path	1512	($match, $specificity) = ($region, $region->specificity)
959	or die "$path: $!";	1513	if $region->specificity > $specificity;
960		1514	}
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	eval $source
968	or die $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970
971	push @exts, $pkg;
972	$ext_pkg{$base} = $pkg;
973
974	# no strict 'refs';
975	# @{"$pkg\::ISA"} = ext::;
976
977	register $base, $pkg;
978	}
979
980	sub unload_extension {
981	my ($pkg) = @_;
982
983	warn "removing extension $pkg\n";
984
985	# remove hooks
986	#TODO
987	# for my $idx (0 .. $#PLUGIN_EVENT) {
988	# delete $hook[$idx]{$pkg};
989	# }	1515	}
990		1516
991	# remove commands	1517	$match
992	for my $name (keys %COMMAND) {
993	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
994
995	if (@cb) {
996	$COMMAND{$name} = \@cb;
997	} else {
998	delete $COMMAND{$name};
999	}
1000	}
1001
1002	# remove extcmds
1003	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1004	delete $EXTCMD{$name};
1005	}
1006
1007	if (my $cb = $pkg->can ("unload")) {
1008	eval {
1009	$cb->($pkg);
1010	1
1011	} or warn "$pkg unloaded, but with errors: $@";
1012	}
1013
1014	Symbol::delete_package $pkg;
1015	}
1016
1017	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;
1020	eval {
1021	load_extension $ext;
1022	1
1023	} or warn "$ext not loaded: $@";
1024	}
1025	}
1026
1027	#############################################################################
1028	# load/save/clean perl data associated with a map
1029
1030	*cf::mapsupport::on_clean = sub {
1031	my ($map) = @_;
1032
1033	my $path = $map->tmpname;
1034	defined $path or return;
1035
1036	unlink "$path.pst";
1037	};
1038
1039	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1040
1041	#############################################################################
1042	# load/save perl data associated with player->ob objects
1043
1044	sub all_objects(@) {
1045	@_, map all_objects ($_->inv), @_
1046	}
1047
1048	# TODO: compatibility cruft, remove when no longer needed
1049	cf::player->attach (
1050	on_load => sub {
1051	my ($pl, $path) = @_;
1052
1053	for my $o (all_objects $pl->ob) {
1054	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1055	$o->set_ob_key_value ("_perl_data");
1056
1057	%$o = %{ Storable::thaw pack "H*", $value };
1058	}
1059	}
1060	},
1061	);
1062
1063	#############################################################################
1064
1065	=head2 CORE EXTENSIONS
1066
1067	Functions and methods that extend core crossfire objects.
1068
1069	=head3 cf::player
1070
1071	=over 4
1072
1073	=item cf::player::exists $login
1074
1075	Returns true when the given account exists.
1076
1077	=cut
1078
1079	sub cf::player::exists($) {
1080	cf::player::find $_[0]
1081	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1082	}
1083
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)
1085
1086	Sends an ext reply to the player.
1087
1088	=cut
1089
1090	sub cf::player::ext_reply($$$%) {
1091	my ($self, $id, %msg) = @_;
1092
1093	$msg{msgid} = $id;
1094
1095	$self->send ("ext " . to_json \%msg);
1096	}	1518	}
1097		1519
1098	=back	1520	=back
1099
1100		1521
1101	=head3 cf::map	1522	=head3 cf::map
1102		1523
1103	=over 4	1524	=over 4
1104		1525
…		…
1107	package cf::map;	1528	package cf::map;
1108		1529
1109	use Fcntl;	1530	use Fcntl;
1110	use Coro::AIO;	1531	use Coro::AIO;
1111		1532
		1533	use overload
		1534	'""' => \&as_string,
		1535	fallback => 1;
		1536
1112	our $MAX_RESET = 3600;	1537	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1538	our $DEFAULT_RESET = 3000;
1114		1539
1115	sub generate_random_map {	1540	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1541	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1542	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1543	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1544	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1545	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1546	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1547	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1548	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1549	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1550	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1551	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1552	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1553	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})	1554	(cf::region::find $rmp->{region}), $rmp->{custom}
		1555	)
		1556	}
		1557
		1558	=item cf::map->register ($regex, $prio)
		1559
		1560	Register a handler for the map path matching the given regex at the
		1561	givne priority (higher is better, built-in handlers have priority 0, the
		1562	default).
		1563
		1564	=cut
		1565
		1566	sub register {
		1567	my (undef, $regex, $prio) = @_;
		1568	my $pkg = caller;
		1569
		1570	no strict;
		1571	push @{"$pkg\::ISA"}, __PACKAGE__;
		1572
		1573	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1574	}
		1575
		1576	# also paths starting with '/'
		1577	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1578
		1579	sub thawer_merge {
		1580	my ($self, $merge) = @_;
		1581
		1582	# we have to keep some variables in memory intact
		1583	local $self->{path};
		1584	local $self->{load_path};
		1585
		1586	$self->SUPER::thawer_merge ($merge);
		1587	}
		1588
		1589	sub normalise {
		1590	my ($path, $base) = @_;
		1591
		1592	$path = "$path"; # make sure its a string
		1593
		1594	$path =~ s/\.map$//;
		1595
		1596	# map plan:
		1597	#
		1598	# /! non-realised random map exit (special hack!)
		1599	# {... are special paths that are not being touched
		1600	# ?xxx/... are special absolute paths
		1601	# ?random/... random maps
		1602	# /... normal maps
		1603	# ~user/... per-player map of a specific user
		1604
		1605	$path =~ s/$PATH_SEP/\//go;
		1606
		1607	# treat it as relative path if it starts with
		1608	# something that looks reasonable
		1609	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1610	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1611
		1612	$base =~ s{[^/]+/?$}{};
		1613	$path = "$base/$path";
		1614	}
		1615
		1616	for ($path) {
		1617	redo if s{//}{/};
		1618	redo if s{/\.?/}{/};
		1619	redo if s{/[^/]+/\.\./}{/};
		1620	}
		1621
		1622	$path
		1623	}
		1624
		1625	sub new_from_path {
		1626	my (undef, $path, $base) = @_;
		1627
		1628	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1629
		1630	$path = normalise $path, $base;
		1631
		1632	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1633	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1634	my $self = bless cf::map::new, $pkg;
		1635	$self->{path} = $path; $self->path ($path);
		1636	$self->init; # pass $1 etc.
		1637	return $self;
		1638	}
		1639	}
		1640
		1641	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1642	()
		1643	}
		1644
		1645	sub init {
		1646	my ($self) = @_;
		1647
		1648	$self
		1649	}
		1650
		1651	sub as_string {
		1652	my ($self) = @_;
		1653
		1654	"$self->{path}"
		1655	}
		1656
		1657	# the displayed name, this is a one way mapping
		1658	sub visible_name {
		1659	&as_string
		1660	}
		1661
		1662	# the original (read-only) location
		1663	sub load_path {
		1664	my ($self) = @_;
		1665
		1666	"$MAPDIR/$self->{path}.map"
		1667	}
		1668
		1669	# the temporary/swap location
		1670	sub save_path {
		1671	my ($self) = @_;
		1672
		1673	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1674	"$TMPDIR/$path.map"
		1675	}
		1676
		1677	# the unique path, undef == no special unique path
		1678	sub uniq_path {
		1679	my ($self) = @_;
		1680
		1681	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1682	"$UNIQUEDIR/$path"
1132	}	1683	}
1133		1684
1134	# and all this just because we cannot iterate over	1685	# and all this just because we cannot iterate over
1135	# all maps in C++...	1686	# all maps in C++...
1136	sub change_all_map_light {	1687	sub change_all_map_light {
…		…
1138		1689
1139	$_->change_map_light ($change)	1690	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1691	for grep $_->outdoor, values %cf::MAP;
1141	}	1692	}
1142		1693
		1694	sub decay_objects {
		1695	my ($self) = @_;
		1696
		1697	return if $self->{deny_reset};
		1698
		1699	$self->do_decay_objects;
		1700	}
		1701
		1702	sub unlink_save {
		1703	my ($self) = @_;
		1704
		1705	utf8::encode (my $save = $self->save_path);
		1706	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1707	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1708	}
		1709
1143	sub try_load_header($) {	1710	sub load_header_from($) {
1144	my ($path) = @_;	1711	my ($self, $path) = @_;
1145		1712
1146	utf8::encode $path;	1713	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1714	#aio_open $path, O_RDONLY, 0
		1715	# or return;
		1716
		1717	$self->_load_header ($path)
1148	or return;	1718	or return;
1149		1719
1150	my $map = cf::map::new	1720	$self->{load_path} = $path;
		1721
		1722	1
		1723	}
		1724
		1725	sub load_header_orig {
		1726	my ($self) = @_;
		1727
		1728	$self->load_header_from ($self->load_path)
		1729	}
		1730
		1731	sub load_header_temp {
		1732	my ($self) = @_;
		1733
		1734	$self->load_header_from ($self->save_path)
		1735	}
		1736
		1737	sub prepare_temp {
		1738	my ($self) = @_;
		1739
		1740	$self->last_access ((delete $self->{last_access})
		1741	|| $cf::RUNTIME); #d#
		1742	# safety
		1743	$self->{instantiate_time} = $cf::RUNTIME
		1744	if $self->{instantiate_time} > $cf::RUNTIME;
		1745	}
		1746
		1747	sub prepare_orig {
		1748	my ($self) = @_;
		1749
		1750	$self->{load_original} = 1;
		1751	$self->{instantiate_time} = $cf::RUNTIME;
		1752	$self->last_access ($cf::RUNTIME);
		1753	$self->instantiate;
		1754	}
		1755
		1756	sub load_header {
		1757	my ($self) = @_;
		1758
		1759	if ($self->load_header_temp) {
		1760	$self->prepare_temp;
		1761	} else {
		1762	$self->load_header_orig
1151	or return;	1763	or return;
		1764	$self->prepare_orig;
		1765	}
1152		1766
1153	# for better error messages only, will be overwritten	1767	$self->{deny_reset} = 1
1154	$map->path ($path);	1768	if $self->no_reset;
1155		1769
1156	$map->load_header ($path)	1770	$self->default_region (cf::region::find_by_path $self->{path})
1157	or return;	1771	unless $self->default_region;
1158		1772
1159	$map->{load_path} = $path;	1773	1
1160
1161	$map
1162	}	1774	}
1163		1775
1164	sub find;	1776	sub find;
1165	sub find {	1777	sub find {
1166	my ($path, $origin) = @_;	1778	my ($path, $origin) = @_;
1167		1779
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1780	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1781
1173	cf::lock_wait "map_find:$key";	1782	cf::lock_wait "map_find:$path";
1174		1783
1175	$cf::MAP{$key} || do {	1784	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1785	my $guard = cf::lock_acquire "map_find:$path";
1177		1786	my $map = new_from_path cf::map $path
1178	# do it the slow way
1179	my $map = try_load_header $path->save_path;
1180
1181	Coro::cede;
1182
1183	if ($map) {
1184	$map->last_access ((delete $map->{last_access})
1185	|| $cf::RUNTIME); #d#
1186	# safety
1187	$map->{instantiate_time} = $cf::RUNTIME
1188	if $map->{instantiate_time} > $cf::RUNTIME;
1189	} else {
1190	if (my $rmp = $path->random_map_params) {
1191	$map = generate_random_map $key, $rmp;
1192	} else {
1193	$map = try_load_header $path->load_path;
1194	}
1195
1196	$map or return;	1787	or return;
1197		1788
1198	$map->{load_original} = 1;
1199	$map->{instantiate_time} = $cf::RUNTIME;
1200	$map->last_access ($cf::RUNTIME);
1201	$map->instantiate;
1202
1203	# per-player maps become, after loading, normal maps
1204	$map->per_player (0) if $path->{user_rel};
1205	}
1206
1207	$map->path ($key);
1208	$map->{path} = $path;
1209	$map->{last_save} = $cf::RUNTIME;	1789	$map->{last_save} = $cf::RUNTIME;
1210		1790
1211	Coro::cede;	1791	$map->load_header
		1792	or return;
1212		1793
1213	if ($map->should_reset) {	1794	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1795	# doing this can freeze the server in a sync job, obviously
		1796	#$cf::WAIT_FOR_TICK->wait;
1214	$map->reset;	1797	$map->reset;
1215	undef $guard;	1798	undef $guard;
1216	$map = find $path	1799	return find $path;
1217	or return;
1218	}	1800	}
1219		1801
1220	$cf::MAP{$key} = $map	1802	$cf::MAP{$path} = $map
1221	}	1803	}
1222	}	1804	}
		1805
		1806	sub pre_load { }
		1807	sub post_load { }
1223		1808
1224	sub load {	1809	sub load {
1225	my ($self) = @_;	1810	my ($self) = @_;
1226		1811
		1812	local $self->{deny_reset} = 1; # loading can take a long time
		1813
1227	my $path = $self->{path};	1814	my $path = $self->{path};
		1815
		1816	{
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1817	my $guard = cf::lock_acquire "map_load:$path";
1229		1818
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1819	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1820
1232	$self->in_memory (cf::MAP_LOADING);	1821	$self->in_memory (cf::MAP_LOADING);
1233		1822
1234	$self->alloc;	1823	$self->alloc;
		1824
		1825	$self->pre_load;
		1826	Coro::cede;
		1827
1235	$self->load_objects ($self->{load_path}, 1)	1828	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1829	or return;
1237		1830
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1831	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1832	if delete $self->{load_original};
1240		1833
1241	if (my $uniq = $path->uniq_path) {	1834	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1835	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1836	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1837	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1838	$self->_load_objects ($uniq, 0);
1246	}	1839	}
1247	}	1840	}
1248		1841
1249	Coro::cede;	1842	Coro::cede;
1250
1251	# now do the right thing for maps	1843	# now do the right thing for maps
1252	$self->link_multipart_objects;	1844	$self->link_multipart_objects;
1253
1254	if ($self->{path}->is_style_map) {
1255	$self->{deny_save} = 1;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;
1261	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1845	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1846	unless $self->difficulty;
		1847	Coro::cede;
		1848
		1849	unless ($self->{deny_activate}) {
		1850	$self->decay_objects;
		1851	$self->fix_auto_apply;
		1852	$self->update_buttons;
		1853	Coro::cede;
		1854	$self->set_darkness_map;
		1855	Coro::cede;
1264	$self->activate;	1856	$self->activate;
1265	}	1857	}
1266		1858
1267	Coro::cede;
1268
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1859	$self->in_memory (cf::MAP_IN_MEMORY);
		1860	}
		1861
		1862	$self->post_load;
		1863	}
		1864
		1865	sub customise_for {
		1866	my ($self, $ob) = @_;
		1867
		1868	return find "~" . $ob->name . "/" . $self->{path}
		1869	if $self->per_player;
		1870
		1871	# return find "?party/" . $ob->name . "/" . $self->{path}
		1872	# if $self->per_party;
		1873
		1874	$self
		1875	}
		1876
		1877	# find and load all maps in the 3x3 area around a map
		1878	sub load_diag {
		1879	my ($map) = @_;
		1880
		1881	my @diag; # diagonal neighbours
		1882
		1883	for (0 .. 3) {
		1884	my $neigh = $map->tile_path ($_)
		1885	or next;
		1886	$neigh = find $neigh, $map
		1887	or next;
		1888	$neigh->load;
		1889
		1890	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1891	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1892	}
		1893
		1894	for (@diag) {
		1895	my $neigh = find @$_
		1896	or next;
		1897	$neigh->load;
		1898	}
1270	}	1899	}
1271		1900
1272	sub find_sync {	1901	sub find_sync {
1273	my ($path, $origin) = @_;	1902	my ($path, $origin) = @_;
1274		1903
1275	cf::sync_job {	1904	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1905	}
1280		1906
1281	sub do_load_sync {	1907	sub do_load_sync {
1282	my ($map) = @_;	1908	my ($map) = @_;
1283		1909
1284	cf::sync_job { $map->load };	1910	cf::sync_job { $map->load };
1285	}	1911	}
1286		1912
		1913	our %MAP_PREFETCH;
		1914	our $MAP_PREFETCHER = undef;
		1915
		1916	sub find_async {
		1917	my ($path, $origin) = @_;
		1918
		1919	$path = normalise $path, $origin && $origin->{path};
		1920
		1921	if (my $map = $cf::MAP{$path}) {
		1922	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1923	}
		1924
		1925	undef $MAP_PREFETCH{$path};
		1926	$MAP_PREFETCHER ||= cf::async {
		1927	while (%MAP_PREFETCH) {
		1928	for my $path (keys %MAP_PREFETCH) {
		1929	if (my $map = find $path) {
		1930	$map->load;
		1931	}
		1932
		1933	delete $MAP_PREFETCH{$path};
		1934	}
		1935	}
		1936	undef $MAP_PREFETCHER;
		1937	};
		1938	$MAP_PREFETCHER->prio (6);
		1939
		1940	()
		1941	}
		1942
1287	sub save {	1943	sub save {
1288	my ($self) = @_;	1944	my ($self) = @_;
1289		1945
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1946	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1947
1292	$self->{last_save} = $cf::RUNTIME;	1948	$self->{last_save} = $cf::RUNTIME;
1293		1949
1294	return unless $self->dirty;	1950	return unless $self->dirty;
1295		1951
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1952	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1953	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1954
1299	$self->{load_path} = $save;	1955	$self->{load_path} = $save;
1300		1956
1301	return if $self->{deny_save};	1957	return if $self->{deny_save};
1302		1958
1303	local $self->{last_access} = $self->last_access;#d#	1959	local $self->{last_access} = $self->last_access;#d#
1304		1960
		1961	cf::async {
		1962	$_->contr->save for $self->players;
		1963	};
		1964
1305	if ($uniq) {	1965	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1966	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1967	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1968	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1969	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1970	}
1311	}	1971	}
1312		1972
1313	sub swap_out {	1973	sub swap_out {
1314	my ($self) = @_;	1974	my ($self) = @_;
…		…
1328		1988
1329	sub reset_at {	1989	sub reset_at {
1330	my ($self) = @_;	1990	my ($self) = @_;
1331		1991
1332	# TODO: safety, remove and allow resettable per-player maps	1992	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};
1334	return 1e99 if $self->{deny_reset};	1993	return 1e99 if $self->{deny_reset};
1335		1994
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1995	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1996	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1997
…		…
1343	my ($self) = @_;	2002	my ($self) = @_;
1344		2003
1345	$self->reset_at <= $cf::RUNTIME	2004	$self->reset_at <= $cf::RUNTIME
1346	}	2005	}
1347		2006
1348	sub unlink_save {
1349	my ($self) = @_;
1350
1351	utf8::encode (my $save = $self->{path}->save_path);
1352	aioreq_pri 3; IO::AIO::aio_unlink $save;
1353	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1354	}
1355
1356	sub rename {
1357	my ($self, $new_path) = @_;
1358
1359	$self->unlink_save;
1360
1361	delete $cf::MAP{$self->path};
1362	$self->{path} = new cf::path $new_path;
1363	$self->path ($self->{path}->as_string);
1364	$cf::MAP{$self->path} = $self;
1365
1366	$self->save;
1367	}
1368
1369	sub reset {	2007	sub reset {
1370	my ($self) = @_;	2008	my ($self) = @_;
1371		2009
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	2010	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		2011
1374	return if $self->players;	2012	return if $self->players;
1375	return if $self->{path}{user_rel};#d#
1376		2013
1377	warn "resetting map ", $self->path;#d#	2014	warn "resetting map ", $self->path;
		2015
		2016	$self->in_memory (cf::MAP_SWAPPED);
		2017
		2018	# need to save uniques path
		2019	unless ($self->{deny_save}) {
		2020	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2021
		2022	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2023	if $uniq;
		2024	}
1378		2025
1379	delete $cf::MAP{$self->path};	2026	delete $cf::MAP{$self->path};
		2027
		2028	$self->clear;
1380		2029
1381	$_->clear_links_to ($self) for values %cf::MAP;	2030	$_->clear_links_to ($self) for values %cf::MAP;
1382		2031
1383	$self->unlink_save;	2032	$self->unlink_save;
1384	$self->destroy;	2033	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	2036	my $nuke_counter = "aaaa";
1388		2037
1389	sub nuke {	2038	sub nuke {
1390	my ($self) = @_;	2039	my ($self) = @_;
1391		2040
		2041	delete $cf::MAP{$self->path};
		2042
		2043	$self->unlink_save;
		2044
		2045	bless $self, "cf::map";
		2046	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	2047	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	2048	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	2049	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2050
		2051	$cf::MAP{$self->path} = $self;
		2052
1395	$self->reset; # polite request, might not happen	2053	$self->reset; # polite request, might not happen
1396	}	2054	}
1397		2055
1398	sub customise_for {	2056	=item $maps = cf::map::tmp_maps
1399	my ($map, $ob) = @_;
1400		2057
1401	if ($map->per_player) {	2058	Returns an arrayref with all map paths of currently instantiated and saved
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2059	maps. May block.
		2060
		2061	=cut
		2062
		2063	sub tmp_maps() {
1403	}	2064	[
1404		2065	map {
1405	$map	2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise $_
		2069	: ()
		2070	} @{ aio_readdir $TMPDIR or [] }
		2071	]
1406	}	2072	}
1407		2073
1408	sub emergency_save {	2074	=item $maps = cf::map::random_maps
1409	my $freeze_guard = cf::freeze_mainloop;
1410		2075
1411	warn "enter emergency map save\n";	2076	Returns an arrayref with all map paths of currently instantiated and saved
		2077	random maps. May block.
1412		2078
1413	cf::sync_job {	2079	=cut
1414	warn "begin emergency map save\n";
1415	$_->save for values %cf::MAP;
1416	};
1417		2080
1418	warn "end emergency map save\n";	2081	sub random_maps() {
		2082	[
		2083	map {
		2084	utf8::decode $_;
		2085	/\.map$/
		2086	? normalise "?random/$_"
		2087	: ()
		2088	} @{ aio_readdir $RANDOMDIR or [] }
		2089	]
		2090	}
		2091
		2092	=item cf::map::unique_maps
		2093
		2094	Returns an arrayref of paths of all shared maps that have
		2095	instantiated unique items. May block.
		2096
		2097	=cut
		2098
		2099	sub unique_maps() {
		2100	[
		2101	map {
		2102	utf8::decode $_;
		2103	/\.map$/
		2104	? normalise $_
		2105	: ()
		2106	} @{ aio_readdir $UNIQUEDIR or [] }
		2107	]
1419	}	2108	}
1420		2109
1421	package cf;	2110	package cf;
1422		2111
1423	=back	2112	=back
1424		2113
		2114	=head3 cf::object
		2115
		2116	=cut
		2117
		2118	package cf::object;
		2119
		2120	=over 4
		2121
		2122	=item $ob->inv_recursive
		2123
		2124	Returns the inventory of the object _and_ their inventories, recursively.
		2125
		2126	=cut
		2127
		2128	sub inv_recursive_;
		2129	sub inv_recursive_ {
		2130	map { $_, inv_recursive_ $_->inv } @_
		2131	}
		2132
		2133	sub inv_recursive {
		2134	inv_recursive_ inv $_[0]
		2135	}
		2136
		2137	package cf;
		2138
		2139	=back
1425		2140
1426	=head3 cf::object::player	2141	=head3 cf::object::player
1427		2142
1428	=over 4	2143	=over 4
1429		2144
…		…
1443		2158
1444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2159	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1445		2160
1446	if ($self->{record_replies}) {	2161	if ($self->{record_replies}) {
1447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2162	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2163
1448	} else {	2164	} else {
		2165	my $pl = $self->contr;
		2166
		2167	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2168	my $diag = $pl->{npc_dialog};
		2169	$diag->{pl}->ext_reply (
		2170	$diag->{id},
		2171	msgtype => "reply",
		2172	msg => $diag->{pl}->expand_cfpod ($msg),
		2173	add_topics => []
		2174	);
		2175
		2176	} else {
1449	$msg = $npc->name . " says: $msg" if $npc;	2177	$msg = $npc->name . " says: $msg" if $npc;
1450	$self->message ($msg, $flags);	2178	$self->message ($msg, $flags);
		2179	}
1451	}	2180	}
1452	}	2181	}
1453		2182
1454	=item $player_object->may ("access")	2183	=item $player_object->may ("access")
1455		2184
…		…
1469		2198
1470	=item $player_object->enter_link	2199	=item $player_object->enter_link
1471		2200
1472	Freezes the player and moves him/her to a special map (C<{link}>).	2201	Freezes the player and moves him/her to a special map (C<{link}>).
1473		2202
1474	The player should be reaosnably safe there for short amounts of time. You	2203	The player should be reasonably safe there for short amounts of time. You
1475	I<MUST> call C<leave_link> as soon as possible, though.	2204	I<MUST> call C<leave_link> as soon as possible, though.
1476		2205
		2206	Will never block.
		2207
1477	=item $player_object->leave_link ($map, $x, $y)	2208	=item $player_object->leave_link ($map, $x, $y)
1478		2209
1479	Moves the player out of the specila link map onto the given map. If the	2210	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	2211	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	2212	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	2213	fails, to the emergency map position.
1483		2214
1484	Might block.	2215	Might block.
1485		2216
1486	=cut	2217	=cut
		2218
		2219	sub link_map {
		2220	unless ($LINK_MAP) {
		2221	$LINK_MAP = cf::map::find "{link}"
		2222	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2223	$LINK_MAP->load;
		2224	}
		2225
		2226	$LINK_MAP
		2227	}
1487		2228
1488	sub cf::object::player::enter_link {	2229	sub cf::object::player::enter_link {
1489	my ($self) = @_;	2230	my ($self) = @_;
1490		2231
1491	$self->deactivate_recursive;	2232	$self->deactivate_recursive;
1492		2233
1493	return if $self->map == $LINK_MAP;	2234	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		2235
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2236	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	2237	if $self->map && $self->map->{path} ne "{link}";
1497		2238
1498	$self->enter_map ($LINK_MAP, 20, 20);	2239	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	2240	}
1500		2241
1501	sub cf::object::player::leave_link {	2242	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	2243	my ($self, $map, $x, $y) = @_;
		2244
		2245	return unless $self->contr->active;
1503		2246
1504	my $link_pos = delete $self->{_link_pos};	2247	my $link_pos = delete $self->{_link_pos};
1505		2248
1506	unless ($map) {	2249	unless ($map) {
1507	# restore original map position	2250	# restore original map position
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	2264	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	2265	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	2266	if $x <=0 && $y <= 0;
1524		2267
1525	$map->load;	2268	$map->load;
		2269	$map->load_diag;
1526		2270
		2271	return unless $self->contr->active;
1527	$self->activate_recursive;	2272	$self->activate_recursive;
		2273
		2274	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1528	$self->enter_map ($map, $x, $y);	2275	$self->enter_map ($map, $x, $y);
1529	}	2276	}
1530		2277
1531	cf::player->attach (	2278	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1532	on_logout => sub {
1533	my ($pl) = @_;
1534		2279
1535	# abort map switching before logout	2280	Moves the player to the given map-path and coordinates by first freezing
1536	if ($pl->ob->{_link_pos}) {	2281	her, loading and preparing them map, calling the provided $check callback
1537	cf::sync_job {	2282	that has to return the map if sucecssful, and then unfreezes the player on
1538	$pl->ob->leave_link	2283	the new (success) or old (failed) map position. In either case, $done will
1539	};	2284	be called at the end of this process.
1540	}
1541	},
1542	on_login => sub {
1543	my ($pl) = @_;
1544		2285
1545	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;
1550	(Coro::async_pool {
1551	# we need this sleep as the login has a concurrent enter_exit running
1552	# and this sleep increases chances of the player not ending up in scorn
1553	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;
1555	})->prio (2);
1556	}
1557	},
1558	);
1559
1560	=item $player_object->goto ($path, $x, $y)
1561
1562	=cut	2286	=cut
		2287
		2288	our $GOTOGEN;
1563		2289
1564	sub cf::object::player::goto {	2290	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	2291	my ($self, $path, $x, $y, $check, $done) = @_;
		2292
		2293	# do generation counting so two concurrent goto's will be executed in-order
		2294	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1566		2295
1567	$self->enter_link;	2296	$self->enter_link;
1568		2297
1569	(Coro::async_pool {	2298	(async {
1570	$path = new cf::path $path;	2299	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	2300	my $map = cf::map::find $path;
		2301
		2302	if ($map) {
1573	$map = $map->customise_for ($self) if $map;	2303	$map = $map->customise_for ($self);
1574		2304	$map = $check->($map) if $check && $map;
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	2305	} else {
1576	# if $map;
1577
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2306	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2307	}
1579		2308
		2309	$map
		2310	};
		2311
		2312	if ($@) {
		2313	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2314	LOG llevError | logBacktrace, Carp::longmess $@;
		2315	}
		2316
		2317	if ($gen == $self->{_goto_generation}) {
		2318	delete $self->{_goto_generation};
1580	$self->leave_link ($map, $x, $y);	2319	$self->leave_link ($map, $x, $y);
		2320	}
		2321
		2322	$done->() if $done;
1581	})->prio (1);	2323	})->prio (1);
1582	}	2324	}
1583		2325
1584	=item $player_object->enter_exit ($exit_object)	2326	=item $player_object->enter_exit ($exit_object)
1585		2327
…		…
1587		2329
1588	sub parse_random_map_params {	2330	sub parse_random_map_params {
1589	my ($spec) = @_;	2331	my ($spec) = @_;
1590		2332
1591	my $rmp = { # defaults	2333	my $rmp = { # defaults
1592	xsize => 10,	2334	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	2335	ysize => (cf::rndm 15, 40),
		2336	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2337	#layout => string,
1594	};	2338	};
1595		2339
1596	for (split /\n/, $spec) {	2340	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	2341	my ($k, $v) = split /\s+/, $_, 2;
1598		2342
…		…
1602	$rmp	2346	$rmp
1603	}	2347	}
1604		2348
1605	sub prepare_random_map {	2349	sub prepare_random_map {
1606	my ($exit) = @_;	2350	my ($exit) = @_;
		2351
		2352	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		2353
1608	# all this does is basically replace the /! path by	2354	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	2355	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	2356	# that depends on the exit object
1611		2357
1612	my $rmp = parse_random_map_params $exit->msg;	2358	my $rmp = parse_random_map_params $exit->msg;
1613		2359
1614	if ($exit->map) {	2360	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	2361	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	2362	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	2363	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	2364	$rmp->{origin_y} = $exit->y;
1619	}	2365	}
1620		2366
1621	$rmp->{random_seed} ||= $exit->random_seed;	2367	$rmp->{random_seed} ||= $exit->random_seed;
1622		2368
1623	my $data = cf::to_json $rmp;	2369	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	2370	my $md5 = Digest::MD5::md5_hex $data;
		2371	my $meta = "$RANDOMDIR/$md5.meta";
1625		2372
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2373	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	2374	aio_write $fh, 0, (length $data), $data, 0;
		2375	undef $fh;
		2376	aio_rename "$meta~", $meta;
1628		2377
1629	$exit->slaying ("?random/$md5");	2378	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	2379	$exit->msg (undef);
1631	}	2380	}
1632	}	2381	}
…		…
1634	sub cf::object::player::enter_exit {	2383	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	2384	my ($self, $exit) = @_;
1636		2385
1637	return unless $self->type == cf::PLAYER;	2386	return unless $self->type == cf::PLAYER;
1638		2387
		2388	if ($exit->slaying eq "/!") {
		2389	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2390	# the problem is that $exit might not survive long enough
		2391	# so it needs to be done right now, right here
		2392	cf::sync_job { prepare_random_map $exit };
		2393	}
		2394
		2395	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2396	my $hp = $exit->stats->hp;
		2397	my $sp = $exit->stats->sp;
		2398
1639	$self->enter_link;	2399	$self->enter_link;
1640		2400
1641	(Coro::async_pool {	2401	# if exit is damned, update players death & WoR home-position
		2402	$self->contr->savebed ($slaying, $hp, $sp)
		2403	if $exit->flag (FLAG_DAMNED);
		2404
		2405	(async {
1642	$self->deactivate_recursive; # just to be sure	2406	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	2407	unless (eval {
1644	prepare_random_map $exit	2408	$self->goto ($slaying, $hp, $sp);
1645	if $exit->slaying eq "/!";
1646
1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1649		2409
1650	1;	2410	1;
1651	}) {	2411	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	2412	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	2413	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	2414	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	2415	cf::NDI_UNIQUE | cf::NDI_RED);
1656		2416
1657	warn "ERROR in enter_exit: $@";	2417	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	2418	$self->leave_link;
1659	}	2419	}
1660	})->prio (1);	2420	})->prio (1);
…		…
1673		2433
1674	sub cf::client::send_drawinfo {	2434	sub cf::client::send_drawinfo {
1675	my ($self, $text, $flags) = @_;	2435	my ($self, $text, $flags) = @_;
1676		2436
1677	utf8::encode $text;	2437	utf8::encode $text;
1678	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2438	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1679	}	2439	}
1680		2440
		2441	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2442
		2443	Send a drawinfo or msg packet to the client, formatting the msg for the
		2444	client if neccessary. C<$type> should be a string identifying the type of
		2445	the message, with C<log> being the default. If C<$color> is negative, suppress
		2446	the message unless the client supports the msg packet.
		2447
		2448	=cut
		2449
		2450	sub cf::client::send_msg {
		2451	my ($self, $channel, $msg, $color, @extra) = @_;
		2452
		2453	$msg = $self->pl->expand_cfpod ($msg);
		2454
		2455	return unless @extra || length $msg;
		2456
		2457	$color &= ~cf::NDI_UNIQUE; # just in case...
		2458
		2459	if (ref $channel) {
		2460	# send meta info to client, if not yet sent
		2461	unless (exists $self->{channel}{$channel->{id}}) {
		2462	$self->{channel}{$channel->{id}} = $channel;
		2463	$self->ext_event (channel_info => %$channel);
		2464	}
		2465
		2466	$channel = $channel->{id};
		2467	}
		2468
		2469	if ($self->can_msg) {
		2470	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2471	} else {
		2472	# replace some tags by gcfclient-compatible ones
		2473	for ($msg) {
		2474	1 while
		2475	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2476	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2477	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2478	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2479	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2480	}
		2481
		2482	if ($color >= 0) {
		2483	if (0 && $msg =~ /\[/) {
		2484	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2485	} else {
		2486	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2487	$self->send_packet ("drawinfo $color $msg")
		2488	}
		2489	}
		2490	}
		2491	}
		2492
		2493	=item $client->ext_event ($type, %msg)
		2494
		2495	Sends an ext event to the client.
		2496
		2497	=cut
		2498
		2499	sub cf::client::ext_event($$%) {
		2500	my ($self, $type, %msg) = @_;
		2501
		2502	return unless $self->extcmd;
		2503
		2504	$msg{msgtype} = "event_$type";
		2505	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2506	}
1681		2507
1682	=item $success = $client->query ($flags, "text", \&cb)	2508	=item $success = $client->query ($flags, "text", \&cb)
1683		2509
1684	Queues a query to the client, calling the given callback with	2510	Queues a query to the client, calling the given callback with
1685	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2511	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1686	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2512	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1687		2513
1688	Queries can fail, so check the return code. Or don't, as queries will become	2514	Queries can fail, so check the return code. Or don't, as queries will
1689	reliable at some point in the future.	2515	become reliable at some point in the future.
1690		2516
1691	=cut	2517	=cut
1692		2518
1693	sub cf::client::query {	2519	sub cf::client::query {
1694	my ($self, $flags, $text, $cb) = @_;	2520	my ($self, $flags, $text, $cb) = @_;
…		…
1702	utf8::encode $text;	2528	utf8::encode $text;
1703	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2529	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1704		2530
1705	$self->send_packet ($self->{query_queue}[0][0])	2531	$self->send_packet ($self->{query_queue}[0][0])
1706	if @{ $self->{query_queue} } == 1;	2532	if @{ $self->{query_queue} } == 1;
		2533
		2534	1
1707	}	2535	}
1708		2536
1709	cf::client->attach (	2537	cf::client->attach (
		2538	on_connect => sub {
		2539	my ($ns) = @_;
		2540
		2541	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2542	},
1710	on_reply => sub {	2543	on_reply => sub {
1711	my ($ns, $msg) = @_;	2544	my ($ns, $msg) = @_;
1712		2545
1713	# this weird shuffling is so that direct followup queries	2546	# this weird shuffling is so that direct followup queries
1714	# get handled first	2547	# get handled first
1715	my $queue = delete $ns->{query_queue}	2548	my $queue = delete $ns->{query_queue}
1716	or return; # be conservative, not sure how that can happen, but we saw a crash here	2549	or return; # be conservative, not sure how that can happen, but we saw a crash here
1717		2550
1718	(shift @$queue)->[1]->($msg);	2551	(shift @$queue)->[1]->($msg);
		2552	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		2553
1720	push @{ $ns->{query_queue} }, @$queue;	2554	push @{ $ns->{query_queue} }, @$queue;
1721		2555
1722	if (@{ $ns->{query_queue} } == @$queue) {	2556	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	2557	if (@$queue) {
…		…
1725	} else {	2559	} else {
1726	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2560	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1727	}	2561	}
1728	}	2562	}
1729	},	2563	},
		2564	on_exticmd => sub {
		2565	my ($ns, $buf) = @_;
		2566
		2567	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2568
		2569	if (ref $msg) {
		2570	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2571	if (my %reply = $cb->($ns, $msg)) {
		2572	$reply{msgid} = $msg->{msgid};
		2573	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2574	}
		2575	}
		2576	} else {
		2577	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2578	}
		2579
		2580	cf::override;
		2581	},
1730	);	2582	);
1731		2583
1732	=item $client->coro (\&cb)	2584	=item $client->async (\&cb)
1733		2585
1734	Create a new coroutine, running the specified callback. The coroutine will	2586	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2587	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2588	or loss of connection).
1737		2589
1738	=cut	2590	=cut
1739		2591
1740	sub cf::client::coro {	2592	sub cf::client::async {
1741	my ($self, $cb) = @_;	2593	my ($self, $cb) = @_;
1742		2594
1743	my $coro = &Coro::async_pool ($cb);	2595	my $coro = &Coro::async ($cb);
1744		2596
1745	$coro->on_destroy (sub {	2597	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2598	delete $self->{_coro}{$coro+0};
1747	});	2599	});
1748		2600
…		…
1781		2633
1782	# here we export the classes and methods available to script code	2634	# here we export the classes and methods available to script code
1783		2635
1784	=pod	2636	=pod
1785		2637
1786	The following fucntions and emthods are available within a safe environment:	2638	The following functions and methods are available within a safe environment:
1787		2639
1788	cf::object contr pay_amount pay_player map	2640	cf::object
		2641	contr pay_amount pay_player map x y force_find force_add
		2642	insert remove
		2643
1789	cf::object::player player	2644	cf::object::player
1790	cf::player peaceful	2645	player
1791	cf::map trigger	2646
		2647	cf::player
		2648	peaceful
		2649
		2650	cf::map
		2651	trigger
1792		2652
1793	=cut	2653	=cut
1794		2654
1795	for (	2655	for (
1796	["cf::object" => qw(contr pay_amount pay_player map)],	2656	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2657	insert remove)],
1797	["cf::object::player" => qw(player)],	2658	["cf::object::player" => qw(player)],
1798	["cf::player" => qw(peaceful)],	2659	["cf::player" => qw(peaceful)],
1799	["cf::map" => qw(trigger)],	2660	["cf::map" => qw(trigger)],
1800	) {	2661	) {
1801	no strict 'refs';	2662	no strict 'refs';
…		…
1872	=back	2733	=back
1873		2734
1874	=cut	2735	=cut
1875		2736
1876	#############################################################################	2737	#############################################################################
		2738	# the server's init and main functions
1877		2739
1878	=head2 EXTENSION DATABASE SUPPORT	2740	sub load_facedata($) {
		2741	my ($path) = @_;
1879		2742
1880	Crossfire maintains a very simple database for extension use. It can	2743	warn "loading facedata from $path\n";
1881	currently store anything that can be serialised using Storable, which
1882	excludes objects.
1883		2744
1884	The parameter C<$family> should best start with the name of the extension	2745	my $facedata;
1885	using it, it should be unique.	2746	0 < aio_load $path, $facedata
		2747	or die "$path: $!";
1886		2748
1887	=over 4	2749	$facedata = Coro::Storable::thaw $facedata;
1888		2750
1889	=item $hashref = cf::db_get $family	2751	$facedata->{version} == 2
		2752	or cf::cleanup "$path: version mismatch, cannot proceed.";
1890		2753
1891	Return a hashref for use by the extension C<$family>, which can be
1892	modified. After modifications, you have to call C<cf::db_dirty> or
1893	C<cf::db_sync>.
1894
1895	=item $value = cf::db_get $family => $key
1896
1897	Returns a single value from the database
1898
1899	=item cf::db_put $family => $hashref
1900
1901	Stores the given family hashref into the database. Updates are delayed, if
1902	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1903
1904	=item cf::db_put $family => $key => $value
1905
1906	Stores the given C<$value> in the family hash. Updates are delayed, if you
1907	want the data to be synced to disk immediately, use C<cf::db_sync>.
1908
1909	=item cf::db_dirty
1910
1911	Marks the database as dirty, to be updated at a later time.
1912
1913	=item cf::db_sync
1914
1915	Immediately write the database to disk I<if it is dirty>.
1916
1917	=cut
1918
1919	our $DB;
1920
1921	{
1922	my $path = cf::localdir . "/database.pst";
1923
1924	sub db_load() {
1925	$DB = stat $path ? Storable::retrieve $path : { };
1926	}	2754	{
		2755	my $faces = $facedata->{faceinfo};
1927		2756
1928	my $pid;	2757	while (my ($face, $info) = each %$faces) {
		2758	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2759	cf::face::set_visibility $idx, $info->{visibility};
		2760	cf::face::set_magicmap $idx, $info->{magicmap};
		2761	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2762	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
1929		2763
1930	sub db_save() {	2764	cf::cede_to_tick;
1931	waitpid $pid, 0 if $pid;
1932	if (0 == ($pid = fork)) {
1933	$DB->{_meta}{version} = 1;
1934	Storable::nstore $DB, "$path~";
1935	rename "$path~", $path;
1936	cf::_exit 0 if defined $pid;
1937	}
1938	}
1939
1940	my $dirty;
1941
1942	sub db_sync() {
1943	db_save if $dirty;
1944	undef $dirty;
1945	}
1946
1947	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1948	db_sync;
1949	});
1950
1951	sub db_dirty() {
1952	$dirty = 1;
1953	$idle->start;
1954	}
1955
1956	sub db_get($;$) {
1957	@_ >= 2
1958	? $DB->{$_[0]}{$_[1]}
1959	: ($DB->{$_[0]} ||= { })
1960	}
1961
1962	sub db_put($$;$) {
1963	if (@_ >= 3) {
1964	$DB->{$_[0]}{$_[1]} = $_[2];
1965	} else {
1966	$DB->{$_[0]} = $_[1];
1967	}
1968	db_dirty;
1969	}
1970
1971	cf::global->attach (
1972	prio => 10000,
1973	on_cleanup => sub {
1974	db_sync;
1975	},	2765	}
1976	);
1977	}
1978		2766
1979	#############################################################################	2767	while (my ($face, $info) = each %$faces) {
1980	# the server's main()	2768	next unless $info->{smooth};
		2769	my $idx = cf::face::find $face
		2770	or next;
		2771	if (my $smooth = cf::face::find $info->{smooth}) {
		2772	cf::face::set_smooth $idx, $smooth;
		2773	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2774	} else {
		2775	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2776	}
		2777
		2778	cf::cede_to_tick;
		2779	}
		2780	}
		2781
		2782	{
		2783	my $anims = $facedata->{animinfo};
		2784
		2785	while (my ($anim, $info) = each %$anims) {
		2786	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2787	cf::cede_to_tick;
		2788	}
		2789
		2790	cf::anim::invalidate_all; # d'oh
		2791	}
		2792
		2793	{
		2794	# TODO: for gcfclient pleasure, we should give resources
		2795	# that gcfclient doesn't grok a >10000 face index.
		2796	my $res = $facedata->{resource};
		2797	my $enc = JSON::XS->new->utf8->canonical;
		2798
		2799	while (my ($name, $info) = each %$res) {
		2800	my $meta = $enc->encode ({
		2801	name => $name,
		2802	type => $info->{type},
		2803	copyright => $info->{copyright}, #TODO#
		2804	});
		2805
		2806	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2807
		2808	if ($name =~ /\.jpg$/) {
		2809	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2810	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2811	} else {
		2812	my $data = pack "(w/a*)*", $meta, $info->{data};
		2813	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2814
		2815	cf::face::set_type $idx, 1;
		2816	cf::face::set_data $idx, 0, $data, $chk;
		2817	}
		2818
		2819	cf::cede_to_tick;
		2820	}
		2821	}
		2822
		2823	1
		2824	}
		2825
		2826	sub reload_regions {
		2827	load_resource_file "$MAPDIR/regions"
		2828	or die "unable to load regions file\n";
		2829
		2830	for (cf::region::list) {
		2831	$_->{match} = qr/$_->{match}/
		2832	if exists $_->{match};
		2833	}
		2834	}
		2835
		2836	sub reload_facedata {
		2837	load_facedata "$DATADIR/facedata"
		2838	or die "unable to load facedata\n";
		2839	}
		2840
		2841	sub reload_archetypes {
		2842	load_resource_file "$DATADIR/archetypes"
		2843	or die "unable to load archetypes\n";
		2844	#d# NEED to laod twice to resolve forward references
		2845	# this really needs to be done in an extra post-pass
		2846	# (which needs to be synchronous, so solve it differently)
		2847	load_resource_file "$DATADIR/archetypes"
		2848	or die "unable to load archetypes\n";
		2849	}
		2850
		2851	sub reload_treasures {
		2852	load_resource_file "$DATADIR/treasures"
		2853	or die "unable to load treasurelists\n";
		2854	}
		2855
		2856	sub reload_resources {
		2857	warn "reloading resource files...\n";
		2858
		2859	reload_regions;
		2860	reload_facedata;
		2861	#reload_archetypes;#d#
		2862	reload_archetypes;
		2863	reload_treasures;
		2864
		2865	warn "finished reloading resource files\n";
		2866	}
		2867
		2868	sub init {
		2869	reload_resources;
		2870	}
1981		2871
1982	sub cfg_load {	2872	sub cfg_load {
1983	open my $fh, "<:utf8", cf::confdir . "/config"	2873	open my $fh, "<:utf8", "$CONFDIR/config"
1984	or return;	2874	or return;
1985		2875
1986	local $/;	2876	local $/;
1987	*CFG = YAML::Syck::Load <$fh>;	2877	*CFG = YAML::Syck::Load <$fh>;
1988		2878
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2881	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	2882	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2883
1994	if (exists $CFG{mlockall}) {	2884	if (exists $CFG{mlockall}) {
1995	eval {	2885	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2886	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2887	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2888	};
1999	warn $@ if $@;	2889	warn $@ if $@;
2000	}	2890	}
2001	}	2891	}
2002		2892
2003	sub main {	2893	sub main {
2004	# we must not ever block the main coroutine	2894	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2895	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2896	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	2897	(async {
		2898	Event::one_event;
		2899	})->prio (Coro::PRIO_MAX);
2008	};	2900	};
2009		2901
2010	cfg_load;	2902	cfg_load;
2011	db_load;	2903	db_init;
2012	load_extensions;	2904	load_extensions;
		2905
		2906	$TICK_WATCHER->start;
2013	Event::loop;	2907	Event::loop;
2014	}	2908	}
2015		2909
2016	#############################################################################	2910	#############################################################################
2017	# initialisation	2911	# initialisation and cleanup
2018		2912
		2913	# install some emergency cleanup handlers
		2914	BEGIN {
		2915	for my $signal (qw(INT HUP TERM)) {
		2916	Event->signal (
		2917	reentrant => 0,
		2918	data => WF_AUTOCANCEL,
		2919	signal => $signal,
		2920	prio => 0,
		2921	cb => sub {
		2922	cf::cleanup "SIG$signal";
		2923	},
		2924	);
		2925	}
		2926	}
		2927
		2928	sub write_runtime {
		2929	my $runtime = "$LOCALDIR/runtime";
		2930
		2931	# first touch the runtime file to show we are still running:
		2932	# the fsync below can take a very very long time.
		2933
		2934	IO::AIO::aio_utime $runtime, undef, undef;
		2935
		2936	my $guard = cf::lock_acquire "write_runtime";
		2937
		2938	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2939	or return;
		2940
		2941	my $value = $cf::RUNTIME + 90 + 10;
		2942	# 10 is the runtime save interval, for a monotonic clock
		2943	# 60 allows for the watchdog to kill the server.
		2944
		2945	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2946	and return;
		2947
		2948	# always fsync - this file is important
		2949	aio_fsync $fh
		2950	and return;
		2951
		2952	# touch it again to show we are up-to-date
		2953	aio_utime $fh, undef, undef;
		2954
		2955	close $fh
		2956	or return;
		2957
		2958	aio_rename "$runtime~", $runtime
		2959	and return;
		2960
		2961	warn "runtime file written.\n";
		2962
		2963	1
		2964	}
		2965
		2966	sub emergency_save() {
		2967	my $freeze_guard = cf::freeze_mainloop;
		2968
		2969	warn "enter emergency perl save\n";
		2970
		2971	cf::sync_job {
		2972	# use a peculiar iteration method to avoid tripping on perl
		2973	# refcount bugs in for. also avoids problems with players
		2974	# and maps saved/destroyed asynchronously.
		2975	warn "begin emergency player save\n";
		2976	for my $login (keys %cf::PLAYER) {
		2977	my $pl = $cf::PLAYER{$login} or next;
		2978	$pl->valid or next;
		2979	$pl->save;
		2980	}
		2981	warn "end emergency player save\n";
		2982
		2983	warn "begin emergency map save\n";
		2984	for my $path (keys %cf::MAP) {
		2985	my $map = $cf::MAP{$path} or next;
		2986	$map->valid or next;
		2987	$map->save;
		2988	}
		2989	warn "end emergency map save\n";
		2990
		2991	warn "begin emergency database checkpoint\n";
		2992	BDB::db_env_txn_checkpoint $DB_ENV;
		2993	warn "end emergency database checkpoint\n";
		2994	};
		2995
		2996	warn "leave emergency perl save\n";
		2997	}
		2998
		2999	sub post_cleanup {
		3000	my ($make_core) = @_;
		3001
		3002	warn Carp::longmess "post_cleanup backtrace"
		3003	if $make_core;
		3004	}
		3005
2019	sub reload() {	3006	sub do_reload_perl() {
2020	# can/must only be called in main	3007	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	3008	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	3009	warn "can only reload from main coroutine";
2023	return;	3010	return;
2024	}	3011	}
2025		3012
2026	warn "reloading...";	3013	warn "reloading...";
2027		3014
2028	my $guard = freeze_mainloop;	3015	warn "entering sync_job";
		3016
		3017	cf::sync_job {
		3018	cf::write_runtime; # external watchdog should not bark
2029	cf::emergency_save;	3019	cf::emergency_save;
		3020	cf::write_runtime; # external watchdog should not bark
2030		3021
2031	eval {	3022	warn "syncing database to disk";
		3023	BDB::db_env_txn_checkpoint $DB_ENV;
		3024
2032	# if anything goes wrong in here, we should simply crash as we already saved	3025	# if anything goes wrong in here, we should simply crash as we already saved
2033		3026
2034	# cancel all watchers	3027	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	3028	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	3029	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	3030	}
2038		3031
		3032	warn "flushing outstanding aio requests";
		3033	for (;;) {
		3034	BDB::flush;
		3035	IO::AIO::flush;
		3036	Coro::cede;
		3037	last unless IO::AIO::nreqs || BDB::nreqs;
		3038	warn "iterate...";
		3039	}
		3040
		3041	++$RELOAD;
		3042
2039	# cancel all extension coros	3043	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	3044	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	3045	%EXT_CORO = ();
2042		3046
2043	# unload all extensions	3047	warn "removing commands";
2044	for (@exts) {	3048	%COMMAND = ();
		3049
		3050	warn "removing ext/exti commands";
		3051	%EXTCMD = ();
		3052	%EXTICMD = ();
		3053
		3054	warn "unloading/nuking all extensions";
		3055	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	3056	warn "... unloading $pkg";
2046	unload_extension $_;	3057
		3058	if (my $cb = $pkg->can ("unload")) {
		3059	eval {
		3060	$cb->($pkg);
		3061	1
		3062	} or warn "$pkg unloaded, but with errors: $@";
2047	}	3063	}
2048		3064
		3065	warn "... nuking $pkg";
		3066	Symbol::delete_package $pkg;
		3067	}
		3068
2049	# unload all modules loaded from $LIBDIR	3069	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	3070	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3071	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		3072
2053	warn "removing <$k>";	3073	warn "... unloading $k";
2054	delete $INC{$k};	3074	delete $INC{$k};
2055		3075
2056	$k =~ s/\.pm$//;	3076	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	3077	$k =~ s/\//::/g;
2058		3078
…		…
2061	}	3081	}
2062		3082
2063	Symbol::delete_package $k;	3083	Symbol::delete_package $k;
2064	}	3084	}
2065		3085
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	3086	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	3087	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3088	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		3089
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	3090	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	3091	delete $INC{"cf.pm"};
		3092	delete $INC{"cf/pod.pm"};
2079		3093
2080	# don't, removes xs symbols, too,	3094	# don't, removes xs symbols, too,
2081	# and global variables created in xs	3095	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	3096	#Symbol::delete_package __PACKAGE__;
2083		3097
2084	# reload cf.pm	3098	warn "unload completed, starting to reload now";
		3099
2085	warn "reloading cf.pm";	3100	warn "reloading cf.pm";
2086	require cf;	3101	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3102	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		3103
2089	# load config and database again	3104	warn "loading config and database again";
2090	cf::cfg_load;	3105	cf::cfg_load;
2091	cf::db_load;
2092		3106
2093	# load extensions
2094	warn "load extensions";	3107	warn "loading extensions";
2095	cf::load_extensions;	3108	cf::load_extensions;
2096		3109
2097	# reattach attachments to objects	3110	warn "reattaching attachments to objects/players";
2098	warn "reattach";	3111	_global_reattach; # objects, sockets
2099	_global_reattach;	3112	warn "reattaching attachments to maps";
2100	};	3113	reattach $_ for values %MAP;
		3114	warn "reattaching attachments to players";
		3115	reattach $_ for values %PLAYER;
2101		3116
2102	if ($@) {	3117	warn "leaving sync_job";
		3118
		3119	1
		3120	} or do {
2103	warn $@;	3121	warn $@;
2104	warn "error while reloading, exiting.";	3122	warn "error while reloading, exiting.";
2105	exit 1;	3123	exit 1;
2106	}	3124	};
2107		3125
2108	warn "reloaded successfully";	3126	warn "reloaded";
2109	};	3127	};
2110		3128
2111	#############################################################################	3129	our $RELOAD_WATCHER; # used only during reload
2112		3130
2113	unless ($LINK_MAP) {	3131	sub reload_perl() {
2114	$LINK_MAP = cf::map::new;	3132	# doing reload synchronously and two reloads happen back-to-back,
		3133	# coro crashes during coro_state_free->destroy here.
2115		3134
2116	$LINK_MAP->width (41);	3135	$RELOAD_WATCHER ||= Event->timer (
2117	$LINK_MAP->height (41);	3136	reentrant => 0,
2118	$LINK_MAP->alloc;
2119	$LINK_MAP->path ("{link}");
2120	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2121	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2122
2123	# dirty hack because... archetypes are not yet loaded
2124	Event->timer (
2125	after => 2,	3137	after => 0,
		3138	data => WF_AUTOCANCEL,
2126	cb => sub {	3139	cb => sub {
2127	$_[0]->w->cancel;	3140	do_reload_perl;
2128		3141	undef $RELOAD_WATCHER;
2129	# provide some exits "home"
2130	my $exit = cf::object::new "exit";
2131
2132	$exit->slaying ($EMERGENCY_POSITION->[0]);
2133	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2134	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2135
2136	$LINK_MAP->insert ($exit->clone, 19, 19);
2137	$LINK_MAP->insert ($exit->clone, 19, 20);
2138	$LINK_MAP->insert ($exit->clone, 19, 21);
2139	$LINK_MAP->insert ($exit->clone, 20, 19);
2140	$LINK_MAP->insert ($exit->clone, 20, 21);
2141	$LINK_MAP->insert ($exit->clone, 21, 19);
2142	$LINK_MAP->insert ($exit->clone, 21, 20);
2143	$LINK_MAP->insert ($exit->clone, 21, 21);
2144
2145	$exit->destroy;
2146	});	3142	},
2147		3143	);
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}	3144	}
2153
2154	register "<global>", __PACKAGE__;
2155		3145
2156	register_command "reload" => sub {	3146	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	3147	my ($who, $arg) = @_;
2158		3148
2159	if ($who->flag (FLAG_WIZ)) {	3149	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");
2161	reload;
2162	$who->message ("end of reload.");	3150	$who->message ("reloading server.");
		3151	async { reload_perl };
2163	}	3152	}
2164	};	3153	};
2165		3154
2166	unshift @INC, $LIBDIR;	3155	unshift @INC, $LIBDIR;
2167		3156
		3157	my $bug_warning = 0;
		3158
		3159	our @WAIT_FOR_TICK;
		3160	our @WAIT_FOR_TICK_BEGIN;
		3161
		3162	sub wait_for_tick {
		3163	return unless $TICK_WATCHER->is_active;
		3164	return if $Coro::current == $Coro::main;
		3165
		3166	my $signal = new Coro::Signal;
		3167	push @WAIT_FOR_TICK, $signal;
		3168	$signal->wait;
		3169	}
		3170
		3171	sub wait_for_tick_begin {
		3172	return unless $TICK_WATCHER->is_active;
		3173	return if $Coro::current == $Coro::main;
		3174
		3175	my $signal = new Coro::Signal;
		3176	push @WAIT_FOR_TICK_BEGIN, $signal;
		3177	$signal->wait;
		3178	}
		3179
		3180	my $min = 1e6;#d#
		3181	my $avg = 10;
2168	$TICK_WATCHER = Event->timer (	3182	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	3183	reentrant => 0,
		3184	parked => 1,
2170	prio => 0,	3185	prio => 0,
2171	at => $NEXT_TICK || $TICK,	3186	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	3187	data => WF_AUTOCANCEL,
2173	cb => sub {	3188	cb => sub {
		3189	if ($Coro::current != $Coro::main) {
		3190	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3191	unless ++$bug_warning > 10;
		3192	return;
		3193	}
		3194
		3195	$NOW = $tick_start = Event::time;
		3196
2174	cf::server_tick; # one server iteration	3197	cf::server_tick; # one server iteration
		3198
		3199	0 && sync_job {#d#
		3200	for(1..10) {
		3201	my $t = Event::time;
		3202	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3203	or die;
		3204
		3205	$map->width (50);
		3206	$map->height (50);
		3207	$map->alloc;
		3208	$map->_load_objects ("/tmp/x.map", 1);
		3209	my $t = Event::time - $t;
		3210
		3211	#next unless $t < 0.0013;#d#
		3212	if ($t < $min) {
		3213	$min = $t;
		3214	}
		3215	$avg = $avg * 0.99 + $t * 0.01;
		3216	}
		3217	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3218	exit 0;
		3219	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3220	};
		3221
2175	$RUNTIME += $TICK;	3222	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	3223	$NEXT_TICK += $TICK;
2177		3224
		3225	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3226	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3227	Coro::async_pool {
		3228	write_runtime
		3229	or warn "ERROR: unable to write runtime file: $!";
		3230	};
		3231	}
		3232
		3233	# my $AFTER = Event::time;
		3234	# warn $AFTER - $NOW;#d#
		3235
		3236	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3237	$sig->send;
		3238	}
		3239	while (my $sig = shift @WAIT_FOR_TICK) {
		3240	$sig->send;
		3241	}
		3242
		3243	$NOW = Event::time;
		3244
2178	# if we are delayed by four ticks or more, skip them all	3245	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3246	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2180		3247
2181	$TICK_WATCHER->at ($NEXT_TICK);	3248	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	3249	$TICK_WATCHER->start;
		3250
		3251	$LOAD = ($NOW - $tick_start) / $TICK;
		3252	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3253
		3254	_post_tick;
		3255
		3256
2183	},	3257	},
2184	);	3258	);
2185		3259
		3260	{
2186	IO::AIO::max_poll_time $TICK * 0.2;	3261	BDB::max_poll_time $TICK * 0.1;
2187		3262	$BDB_POLL_WATCHER = Event->io (
2188	Event->io (	3263	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	3264	fd => BDB::poll_fileno,
2190	poll => 'r',	3265	poll => 'r',
2191	prio => 5,	3266	prio => 0,
2192	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,
2194	);
2195
2196	Event->timer (
2197	data => WF_AUTOCANCEL,	3267	data => WF_AUTOCANCEL,
2198	after => 0,	3268	cb => \&BDB::poll_cb,
2199	interval => 10,	3269	);
2200	cb => sub {	3270	BDB::min_parallel 8;
2201	(Coro::unblock_sub {	3271
2202	write_runtime	3272	BDB::set_sync_prepare {
2203	or warn "ERROR: unable to write runtime file: $!";	3273	my $status;
		3274	my $current = $Coro::current;
		3275	(
		3276	sub {
		3277	$status = $!;
		3278	$current->ready; undef $current;
		3279	},
		3280	sub {
		3281	Coro::schedule while defined $current;
		3282	$! = $status;
		3283	},
		3284	)
		3285	};
		3286
		3287	unless ($DB_ENV) {
		3288	$DB_ENV = BDB::db_env_create;
		3289
		3290	cf::sync_job {
		3291	eval {
		3292	BDB::db_env_open
		3293	$DB_ENV,
		3294	$BDBDIR,
		3295	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3296	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3297	0666;
		3298
		3299	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3300
		3301	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3302	$DB_ENV->set_lk_detect;
		3303	};
		3304
		3305	cf::cleanup "db_env_open(db): $@" if $@;
2204	})->();	3306	};
2205	},	3307	}
2206	);	3308	}
		3309
		3310	{
		3311	IO::AIO::min_parallel 8;
		3312
		3313	undef $Coro::AIO::WATCHER;
		3314	IO::AIO::max_poll_time $TICK * 0.1;
		3315	$AIO_POLL_WATCHER = Event->io (
		3316	reentrant => 0,
		3317	data => WF_AUTOCANCEL,
		3318	fd => IO::AIO::poll_fileno,
		3319	poll => 'r',
		3320	prio => 6,
		3321	cb => \&IO::AIO::poll_cb,
		3322	);
		3323	}
		3324
		3325	my $_log_backtrace;
		3326
		3327	sub _log_backtrace {
		3328	my ($msg, @addr) = @_;
		3329
		3330	$msg =~ s/\n//;
		3331
		3332	# limit the # of concurrent backtraces
		3333	if ($_log_backtrace < 2) {
		3334	++$_log_backtrace;
		3335	async {
		3336	my @bt = fork_call {
		3337	@addr = map { sprintf "%x", $_ } @addr;
		3338	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3339	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3340	or die "addr2line: $!";
		3341
		3342	my @funcs;
		3343	my @res = <$fh>;
		3344	chomp for @res;
		3345	while (@res) {
		3346	my ($func, $line) = splice @res, 0, 2, ();
		3347	push @funcs, "[$func] $line";
		3348	}
		3349
		3350	@funcs
		3351	};
		3352
		3353	LOG llevInfo, "[ABT] $msg\n";
		3354	LOG llevInfo, "[ABT] $_\n" for @bt;
		3355	--$_log_backtrace;
		3356	};
		3357	} else {
		3358	LOG llevInfo, "[ABT] $msg\n";
		3359	LOG llevInfo, "[ABT] [suppressed]\n";
		3360	}
		3361	}
		3362
		3363	# load additional modules
		3364	use cf::pod;
2207		3365
2208	END { cf::emergency_save }	3366	END { cf::emergency_save }
2209		3367
2210	1	3368	1
2211		3369

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