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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 1.310 by elmex, Mon Jul 16 15:43:49 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
…		…
757	# object support	922	# object support
758		923
759	sub reattach {	924	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	925	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	926	my ($obj) = @_;
		927
		928	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		929
763	my $registry = $obj->registry;	930	my $registry = $obj->registry;
764		931
765	@$registry = ();	932	@$registry = ();
766		933
…		…
813	$filename, length $$rdata, scalar @$objs;	980	$filename, length $$rdata, scalar @$objs;
814		981
815	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	982	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
816	chmod SAVE_MODE, $fh;	983	chmod SAVE_MODE, $fh;
817	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	984	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
818	aio_fsync $fh;	985	aio_fsync $fh if $cf::USE_FSYNC;
819	close $fh;	986	close $fh;
820		987
821	if (@$objs) {	988	if (@$objs) {
822	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	989	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	990	chmod SAVE_MODE, $fh;
824	my $data = Storable::nfreeze { version => 1, objs => $objs };	991	my $data = Storable::nfreeze { version => 1, objs => $objs };
825	aio_write $fh, 0, (length $data), $data, 0;	992	aio_write $fh, 0, (length $data), $data, 0;
826	aio_fsync $fh;	993	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	994	close $fh;
828	aio_rename "$filename.pst~", "$filename.pst";	995	aio_rename "$filename.pst~", "$filename.pst";
829	}	996	}
830	} else {	997	} else {
831	aio_unlink "$filename.pst";	998	aio_unlink "$filename.pst";
…		…
863	or return;	1030	or return;
864	$av = eval { (Storable::thaw $av)->{objs} };	1031	$av = eval { (Storable::thaw $av)->{objs} };
865	}	1032	}
866		1033
867	warn sprintf "loading %s (%d)\n",	1034	warn sprintf "loading %s (%d)\n",
868	$filename, length $data, scalar @{$av || []};#d#	1035	$filename, length $data, scalar @{$av || []};
869	return ($data, $av);	1036	return ($data, $av);
870	}	1037	}
		1038
		1039	=head2 COMMAND CALLBACKS
		1040
		1041	=over 4
		1042
		1043	=cut
871		1044
872	#############################################################################	1045	#############################################################################
873	# command handling &c	1046	# command handling &c
874		1047
875	=item cf::register_command $name => \&callback($ob,$args);	1048	=item cf::register_command $name => \&callback($ob,$args);
…		…
888	push @{ $COMMAND{$name} }, [$caller, $cb];	1061	push @{ $COMMAND{$name} }, [$caller, $cb];
889	}	1062	}
890		1063
891	=item cf::register_extcmd $name => \&callback($pl,$packet);	1064	=item cf::register_extcmd $name => \&callback($pl,$packet);
892		1065
893	Register a callbackf ro execution when the client sends an extcmd packet.	1066	Register a callback for execution when the client sends an (synchronous)
		1067	extcmd packet. Ext commands will be processed in the order they are
		1068	received by the server, like other user commands. The first argument is
		1069	the logged-in player. Ext commands can only be processed after a player
		1070	has logged in successfully.
894		1071
895	If the callback returns something, it is sent back as if reply was being	1072	If the callback returns something, it is sent back as if reply was being
896	called.	1073	called.
897		1074
		1075	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1076
		1077	Register a callback for execution when the client sends an (asynchronous)
		1078	exticmd packet. Exti commands are processed by the server as soon as they
		1079	are received, i.e. out of order w.r.t. other commands. The first argument
		1080	is a client socket. Exti commands can be received anytime, even before
		1081	log-in.
		1082
		1083	If the callback returns something, it is sent back as if reply was being
		1084	called.
		1085
898	=cut	1086	=cut
899		1087
900	sub register_extcmd {	1088	sub register_extcmd {
901	my ($name, $cb) = @_;	1089	my ($name, $cb) = @_;
902		1090
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	1091	$EXTCMD{$name} = $cb;
		1092	}
		1093
		1094	sub register_exticmd {
		1095	my ($name, $cb) = @_;
		1096
		1097	$EXTICMD{$name} = $cb;
907	}	1098	}
908		1099
909	cf::player->attach (	1100	cf::player->attach (
910	on_command => sub {	1101	on_command => sub {
911	my ($pl, $name, $params) = @_;	1102	my ($pl, $name, $params) = @_;
…		…
920	cf::override;	1111	cf::override;
921	},	1112	},
922	on_extcmd => sub {	1113	on_extcmd => sub {
923	my ($pl, $buf) = @_;	1114	my ($pl, $buf) = @_;
924		1115
925	my $msg = eval { from_json $buf };	1116	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
926		1117
927	if (ref $msg) {	1118	if (ref $msg) {
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1119	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	1120	if (my %reply = $cb->($pl, $msg)) {
930	$pl->ext_reply ($msg->{msgid}, %reply);	1121	$pl->ext_reply ($msg->{msgid}, %reply);
931	}	1122	}
932	}	1123	}
933	} else {	1124	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1125	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
936		1127
937	cf::override;	1128	cf::override;
938	},	1129	},
939	);	1130	);
940		1131
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	sub load_extension {	1132	sub load_extensions {
		1133	cf::sync_job {
		1134	my %todo;
		1135
		1136	for my $path (<$LIBDIR/*.ext>) {
		1137	next unless -r $path;
		1138
		1139	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1140	my $base = $1;
		1141	my $pkg = $1;
		1142	$pkg =~ s/[^[:word:]]/_/g;
		1143	$pkg = "ext::$pkg";
		1144
		1145	open my $fh, "<:utf8", $path
		1146	or die "$path: $!";
		1147
		1148	my $source = do { local $/; <$fh> };
		1149
		1150	my %ext = (
		1151	path => $path,
		1152	base => $base,
		1153	pkg => $pkg,
		1154	);
		1155
		1156	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1157	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1158
		1159	$ext{source} =
		1160	"package $pkg; use strict; use utf8;\n"
		1161	. "#line 1 \"$path\"\n{\n"
		1162	. $source
		1163	. "\n};\n1";
		1164
		1165	$todo{$base} = \%ext;
		1166	}
		1167
		1168	my %done;
		1169	while (%todo) {
		1170	my $progress;
		1171
		1172	while (my ($k, $v) = each %todo) {
		1173	for (split /,\s*/, $v->{meta}{depends}) {
		1174	goto skip
		1175	unless exists $done{$_};
		1176	}
		1177
		1178	warn "... loading '$k' into '$v->{pkg}'\n";
		1179
		1180	unless (eval $v->{source}) {
		1181	my $msg = $@ ? "$v->{path}: $@\n"
		1182	: "$v->{base}: extension inactive.\n";
		1183
		1184	if (exists $v->{meta}{mandatory}) {
		1185	warn $msg;
		1186	warn "mandatory extension failed to load, exiting.\n";
		1187	exit 1;
		1188	}
		1189
		1190	warn $msg;
		1191	}
		1192
		1193	$done{$k} = delete $todo{$k};
		1194	push @EXTS, $v->{pkg};
		1195	$progress = 1;
		1196	}
		1197
		1198	skip:
		1199	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1200	unless $progress;
		1201	}
		1202	};
		1203	}
		1204
		1205	#############################################################################
		1206
		1207	=back
		1208
		1209	=head2 CORE EXTENSIONS
		1210
		1211	Functions and methods that extend core crossfire objects.
		1212
		1213	=cut
		1214
		1215	package cf::player;
		1216
		1217	use Coro::AIO;
		1218
		1219	=head3 cf::player
		1220
		1221	=over 4
		1222
		1223	=item cf::player::find $login
		1224
		1225	Returns the given player object, loading it if necessary (might block).
		1226
		1227	=cut
		1228
		1229	sub playerdir($) {
		1230	"$PLAYERDIR/"
		1231	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1232	}
		1233
		1234	sub path($) {
		1235	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1236
		1237	(playerdir $login) . "/playerdata"
		1238	}
		1239
		1240	sub find_active($) {
		1241	$cf::PLAYER{$_[0]}
		1242	and $cf::PLAYER{$_[0]}->active
		1243	and $cf::PLAYER{$_[0]}
		1244	}
		1245
		1246	sub exists($) {
		1247	my ($login) = @_;
		1248
		1249	$cf::PLAYER{$login}
		1250	or cf::sync_job { !aio_stat path $login }
		1251	}
		1252
		1253	sub find($) {
		1254	return $cf::PLAYER{$_[0]} || do {
		1255	my $login = $_[0];
		1256
		1257	my $guard = cf::lock_acquire "user_find:$login";
		1258
		1259	$cf::PLAYER{$_[0]} || do {
		1260	# rename old playerfiles to new ones
		1261	#TODO: remove when no longer required
		1262	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1263	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1264	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1265	aio_unlink +(playerdir $login) . "/$login.pl";
		1266
		1267	my $pl = load_pl path $login
		1268	or return;
		1269	$cf::PLAYER{$login} = $pl
		1270	}
		1271	}
		1272	}
		1273
		1274	sub save($) {
		1275	my ($pl) = @_;
		1276
		1277	return if $pl->{deny_save};
		1278
		1279	my $path = path $pl;
		1280	my $guard = cf::lock_acquire "user_save:$path";
		1281
		1282	return if $pl->{deny_save};
		1283
		1284	aio_mkdir playerdir $pl, 0770;
		1285	$pl->{last_save} = $cf::RUNTIME;
		1286
		1287	$pl->save_pl ($path);
		1288	Coro::cede;
		1289	}
		1290
		1291	sub new($) {
		1292	my ($login) = @_;
		1293
		1294	my $self = create;
		1295
		1296	$self->ob->name ($login);
		1297	$self->{deny_save} = 1;
		1298
		1299	$cf::PLAYER{$login} = $self;
		1300
		1301	$self
		1302	}
		1303
		1304	=item $pl->quit_character
		1305
		1306	Nukes the player without looking back. If logged in, the connection will
		1307	be destroyed. May block for a long time.
		1308
		1309	=cut
		1310
		1311	sub quit_character {
		1312	my ($pl) = @_;
		1313
		1314	my $name = $pl->ob->name;
		1315
		1316	$pl->{deny_save} = 1;
		1317	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1318
		1319	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1320	$pl->deactivate;
		1321	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1322	$pl->ns->destroy if $pl->ns;
		1323
		1324	my $path = playerdir $pl;
		1325	my $temp = "$path~$cf::RUNTIME~deleting~";
		1326	aio_rename $path, $temp;
		1327	delete $cf::PLAYER{$pl->ob->name};
		1328	$pl->destroy;
		1329
		1330	my $prefix = qr<^~\Q$name\E/>;
		1331
		1332	# nuke player maps
		1333	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1334
		1335	IO::AIO::aio_rmtree $temp;
		1336	}
		1337
		1338	=item $pl->kick
		1339
		1340	Kicks a player out of the game. This destroys the connection.
		1341
		1342	=cut
		1343
		1344	sub kick {
		1345	my ($pl, $kicker) = @_;
		1346
		1347	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1348	$pl->killer ("kicked");
		1349	$pl->ns->destroy;
		1350	}
		1351
		1352	=item cf::player::list_logins
		1353
		1354	Returns am arrayref of all valid playernames in the system, can take a
		1355	while and may block, so not sync_job-capable, ever.
		1356
		1357	=cut
		1358
		1359	sub list_logins {
		1360	my $dirs = aio_readdir $PLAYERDIR
		1361	or return [];
		1362
		1363	my @logins;
		1364
		1365	for my $login (@$dirs) {
		1366	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1367	aio_read $fh, 0, 512, my $buf, 0 or next;
		1368	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1369
		1370	utf8::decode $login;
		1371	push @logins, $login;
		1372	}
		1373
		1374	\@logins
		1375	}
		1376
		1377	=item $player->maps
		1378
		1379	Returns an arrayref of map paths that are private for this
		1380	player. May block.
		1381
		1382	=cut
		1383
		1384	sub maps($) {
		1385	my ($pl) = @_;
		1386
		1387	$pl = ref $pl ? $pl->ob->name : $pl;
		1388
		1389	my $files = aio_readdir playerdir $pl
		1390	or return;
		1391
		1392	my @paths;
		1393
		1394	for (@$files) {
		1395	utf8::decode $_;
		1396	next if /\.(?:pl|pst)$/;
		1397	next unless /^$PATH_SEP/o;
		1398
		1399	push @paths, cf::map::normalise "~$pl/$_";
		1400	}
		1401
		1402	\@paths
		1403	}
		1404
		1405	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1406
		1407	Expand crossfire pod fragments into protocol xml.
		1408
		1409	=cut
		1410
		1411	sub expand_cfpod {
		1412	((my $self), (local $_)) = @_;
		1413
		1414	# escape & and <
		1415	s/&/&amp;/g;
		1416	s/(?<![BIUGH])</&lt;/g;
		1417
		1418	# this is buggy, it needs to properly take care of nested <'s
		1419
		1420	1 while
		1421	# replace B<>, I<>, U<> etc.
		1422	s/B<([^\>]*)>/<b>$1<\/b>/
		1423	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1424	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1425	# replace G<male|female> tags
		1426	|| s{G<([^>|]*)\|([^>]*)>}{
		1427	$self->gender ? $2 : $1
		1428	}ge
		1429	# replace H<hint text>
		1430	|| s{H<([^\>]*)>}
		1431	{
		1432	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1433	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1434	"")
		1435	[$self->{hintmode}]
		1436	}ge;
		1437
		1438	# create single paragraphs (very hackish)
		1439	s/(?<=\S)\n(?=\w)/ /g;
		1440
		1441	# compress some whitespace
		1442	s/\s+\n/\n/g; # ws line-ends
		1443	s/\n\n+/\n/g; # double lines
		1444	s/^\n+//; # beginning lines
		1445	s/\n+$//; # ending lines
		1446
		1447	$_
		1448	}
		1449
		1450	sub hintmode {
		1451	$_[0]{hintmode} = $_[1] if @_ > 1;
		1452	$_[0]{hintmode}
		1453	}
		1454
		1455	=item $player->ext_reply ($msgid, %msg)
		1456
		1457	Sends an ext reply to the player.
		1458
		1459	=cut
		1460
		1461	sub ext_reply($$%) {
		1462	my ($self, $id, %msg) = @_;
		1463
		1464	$msg{msgid} = $id;
		1465	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
		1466	}
		1467
		1468	=item $player->ext_event ($type, %msg)
		1469
		1470	Sends an ext event to the client.
		1471
		1472	=cut
		1473
		1474	sub ext_event($$%) {
		1475	my ($self, $type, %msg) = @_;
		1476
		1477	$self->ns->ext_event ($type, %msg);
		1478	}
		1479
		1480	=head3 cf::region
		1481
		1482	=over 4
		1483
		1484	=cut
		1485
		1486	package cf::region;
		1487
		1488	=item cf::region::find_by_path $path
		1489
		1490	Tries to decuce the likely region for a map knowing only its path.
		1491
		1492	=cut
		1493
		1494	sub find_by_path($) {
948	my ($path) = @_;	1495	my ($path) = @_;
949		1496
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1497	my ($match, $specificity);
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955		1498
956	warn "loading '$path' into '$pkg'\n";	1499	for my $region (list) {
957		1500	if ($region->{match} && $path =~ $region->{match}) {
958	open my $fh, "<:utf8", $path	1501	($match, $specificity) = ($region, $region->specificity)
959	or die "$path: $!";	1502	if $region->specificity > $specificity;
960		1503	}
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	# }	1504	}
990		1505
991	# remove commands	1506	$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	}	1507	}
1097		1508
1098	=back	1509	=back
1099
1100		1510
1101	=head3 cf::map	1511	=head3 cf::map
1102		1512
1103	=over 4	1513	=over 4
1104		1514
…		…
1107	package cf::map;	1517	package cf::map;
1108		1518
1109	use Fcntl;	1519	use Fcntl;
1110	use Coro::AIO;	1520	use Coro::AIO;
1111		1521
		1522	use overload
		1523	'""' => \&as_string,
		1524	fallback => 1;
		1525
1112	our $MAX_RESET = 3600;	1526	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1527	our $DEFAULT_RESET = 3000;
1114		1528
1115	sub generate_random_map {	1529	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1530	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1531	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1532	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1533	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1534	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1535	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1536	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1537	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1538	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1539	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1540	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1541	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1542	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(cf::region::find $rmp->{region})	1543	(cf::region::find $rmp->{region}), $rmp->{custom}
		1544	)
		1545	}
		1546
		1547	=item cf::map->register ($regex, $prio)
		1548
		1549	Register a handler for the map path matching the given regex at the
		1550	givne priority (higher is better, built-in handlers have priority 0, the
		1551	default).
		1552
		1553	=cut
		1554
		1555	sub register {
		1556	my (undef, $regex, $prio) = @_;
		1557	my $pkg = caller;
		1558
		1559	no strict;
		1560	push @{"$pkg\::ISA"}, __PACKAGE__;
		1561
		1562	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1563	}
		1564
		1565	# also paths starting with '/'
		1566	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1567
		1568	sub thawer_merge {
		1569	my ($self, $merge) = @_;
		1570
		1571	# we have to keep some variables in memory intact
		1572	local $self->{path};
		1573	local $self->{load_path};
		1574
		1575	$self->SUPER::thawer_merge ($merge);
		1576	}
		1577
		1578	sub normalise {
		1579	my ($path, $base) = @_;
		1580
		1581	$path = "$path"; # make sure its a string
		1582
		1583	$path =~ s/\.map$//;
		1584
		1585	# map plan:
		1586	#
		1587	# /! non-realised random map exit (special hack!)
		1588	# {... are special paths that are not being touched
		1589	# ?xxx/... are special absolute paths
		1590	# ?random/... random maps
		1591	# /... normal maps
		1592	# ~user/... per-player map of a specific user
		1593
		1594	$path =~ s/$PATH_SEP/\//go;
		1595
		1596	# treat it as relative path if it starts with
		1597	# something that looks reasonable
		1598	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1599	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1600
		1601	$base =~ s{[^/]+/?$}{};
		1602	$path = "$base/$path";
		1603	}
		1604
		1605	for ($path) {
		1606	redo if s{//}{/};
		1607	redo if s{/\.?/}{/};
		1608	redo if s{/[^/]+/\.\./}{/};
		1609	}
		1610
		1611	$path
		1612	}
		1613
		1614	sub new_from_path {
		1615	my (undef, $path, $base) = @_;
		1616
		1617	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1618
		1619	$path = normalise $path, $base;
		1620
		1621	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1622	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1623	my $self = bless cf::map::new, $pkg;
		1624	$self->{path} = $path; $self->path ($path);
		1625	$self->init; # pass $1 etc.
		1626	return $self;
		1627	}
		1628	}
		1629
		1630	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1631	()
		1632	}
		1633
		1634	sub init {
		1635	my ($self) = @_;
		1636
		1637	$self
		1638	}
		1639
		1640	sub as_string {
		1641	my ($self) = @_;
		1642
		1643	"$self->{path}"
		1644	}
		1645
		1646	# the displayed name, this is a one way mapping
		1647	sub visible_name {
		1648	&as_string
		1649	}
		1650
		1651	# the original (read-only) location
		1652	sub load_path {
		1653	my ($self) = @_;
		1654
		1655	"$MAPDIR/$self->{path}.map"
		1656	}
		1657
		1658	# the temporary/swap location
		1659	sub save_path {
		1660	my ($self) = @_;
		1661
		1662	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1663	"$TMPDIR/$path.map"
		1664	}
		1665
		1666	# the unique path, undef == no special unique path
		1667	sub uniq_path {
		1668	my ($self) = @_;
		1669
		1670	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1671	"$UNIQUEDIR/$path"
1132	}	1672	}
1133		1673
1134	# and all this just because we cannot iterate over	1674	# and all this just because we cannot iterate over
1135	# all maps in C++...	1675	# all maps in C++...
1136	sub change_all_map_light {	1676	sub change_all_map_light {
…		…
1138		1678
1139	$_->change_map_light ($change)	1679	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1680	for grep $_->outdoor, values %cf::MAP;
1141	}	1681	}
1142		1682
		1683	sub decay_objects {
		1684	my ($self) = @_;
		1685
		1686	return if $self->{deny_reset};
		1687
		1688	$self->do_decay_objects;
		1689	}
		1690
		1691	sub unlink_save {
		1692	my ($self) = @_;
		1693
		1694	utf8::encode (my $save = $self->save_path);
		1695	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1696	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1697	}
		1698
1143	sub try_load_header($) {	1699	sub load_header_from($) {
1144	my ($path) = @_;	1700	my ($self, $path) = @_;
1145		1701
1146	utf8::encode $path;	1702	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1703	#aio_open $path, O_RDONLY, 0
		1704	# or return;
		1705
		1706	$self->_load_header ($path)
1148	or return;	1707	or return;
1149		1708
1150	my $map = cf::map::new	1709	$self->{load_path} = $path;
		1710
		1711	1
		1712	}
		1713
		1714	sub load_header_orig {
		1715	my ($self) = @_;
		1716
		1717	$self->load_header_from ($self->load_path)
		1718	}
		1719
		1720	sub load_header_temp {
		1721	my ($self) = @_;
		1722
		1723	$self->load_header_from ($self->save_path)
		1724	}
		1725
		1726	sub prepare_temp {
		1727	my ($self) = @_;
		1728
		1729	$self->last_access ((delete $self->{last_access})
		1730	|| $cf::RUNTIME); #d#
		1731	# safety
		1732	$self->{instantiate_time} = $cf::RUNTIME
		1733	if $self->{instantiate_time} > $cf::RUNTIME;
		1734	}
		1735
		1736	sub prepare_orig {
		1737	my ($self) = @_;
		1738
		1739	$self->{load_original} = 1;
		1740	$self->{instantiate_time} = $cf::RUNTIME;
		1741	$self->last_access ($cf::RUNTIME);
		1742	$self->instantiate;
		1743	}
		1744
		1745	sub load_header {
		1746	my ($self) = @_;
		1747
		1748	if ($self->load_header_temp) {
		1749	$self->prepare_temp;
		1750	} else {
		1751	$self->load_header_orig
1151	or return;	1752	or return;
		1753	$self->prepare_orig;
		1754	}
1152		1755
1153	# for better error messages only, will be overwritten	1756	$self->{deny_reset} = 1
1154	$map->path ($path);	1757	if $self->no_reset;
1155		1758
1156	$map->load_header ($path)	1759	$self->default_region (cf::region::find_by_path $self->{path})
1157	or return;	1760	unless $self->default_region;
1158		1761
1159	$map->{load_path} = $path;	1762	1
1160
1161	$map
1162	}	1763	}
1163		1764
1164	sub find;	1765	sub find;
1165	sub find {	1766	sub find {
1166	my ($path, $origin) = @_;	1767	my ($path, $origin) = @_;
1167		1768
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1769	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1770
1173	cf::lock_wait "map_find:$key";	1771	cf::lock_wait "map_find:$path";
1174		1772
1175	$cf::MAP{$key} || do {	1773	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1774	my $guard = cf::lock_acquire "map_find:$path";
1177		1775	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;	1776	or return;
1197		1777
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;	1778	$map->{last_save} = $cf::RUNTIME;
1210		1779
1211	Coro::cede;	1780	$map->load_header
		1781	or return;
1212		1782
1213	if ($map->should_reset) {	1783	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1784	# doing this can freeze the server in a sync job, obviously
		1785	#$cf::WAIT_FOR_TICK->wait;
1214	$map->reset;	1786	$map->reset;
1215	undef $guard;	1787	undef $guard;
1216	$map = find $path	1788	return find $path;
1217	or return;
1218	}	1789	}
1219		1790
1220	$cf::MAP{$key} = $map	1791	$cf::MAP{$path} = $map
1221	}	1792	}
1222	}	1793	}
		1794
		1795	sub pre_load { }
		1796	sub post_load { }
1223		1797
1224	sub load {	1798	sub load {
1225	my ($self) = @_;	1799	my ($self) = @_;
1226		1800
		1801	local $self->{deny_reset} = 1; # loading can take a long time
		1802
1227	my $path = $self->{path};	1803	my $path = $self->{path};
		1804
		1805	{
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1806	my $guard = cf::lock_acquire "map_load:$path";
1229		1807
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1808	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1809
1232	$self->in_memory (cf::MAP_LOADING);	1810	$self->in_memory (cf::MAP_LOADING);
1233		1811
1234	$self->alloc;	1812	$self->alloc;
		1813
		1814	$self->pre_load;
		1815	Coro::cede;
		1816
1235	$self->load_objects ($self->{load_path}, 1)	1817	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1818	or return;
1237		1819
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1820	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1821	if delete $self->{load_original};
1240		1822
1241	if (my $uniq = $path->uniq_path) {	1823	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1824	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1825	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1826	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1827	$self->_load_objects ($uniq, 0);
1246	}	1828	}
1247	}	1829	}
1248		1830
1249	Coro::cede;	1831	Coro::cede;
1250
1251	# now do the right thing for maps	1832	# now do the right thing for maps
1252	$self->link_multipart_objects;	1833	$self->link_multipart_objects;
1253
1254	if ($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)	1834	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1835	unless $self->difficulty;
		1836	Coro::cede;
		1837
		1838	unless ($self->{deny_activate}) {
		1839	$self->decay_objects;
		1840	$self->fix_auto_apply;
		1841	$self->update_buttons;
		1842	Coro::cede;
		1843	$self->set_darkness_map;
		1844	Coro::cede;
1264	$self->activate;	1845	$self->activate;
1265	}	1846	}
1266		1847
1267	Coro::cede;
1268
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1848	$self->in_memory (cf::MAP_IN_MEMORY);
		1849	}
		1850
		1851	$self->post_load;
		1852	}
		1853
		1854	sub customise_for {
		1855	my ($self, $ob) = @_;
		1856
		1857	return find "~" . $ob->name . "/" . $self->{path}
		1858	if $self->per_player;
		1859
		1860	# return find "?party/" . $ob->name . "/" . $self->{path}
		1861	# if $self->per_party;
		1862
		1863	$self
		1864	}
		1865
		1866	# find and load all maps in the 3x3 area around a map
		1867	sub load_diag {
		1868	my ($map) = @_;
		1869
		1870	my @diag; # diagonal neighbours
		1871
		1872	for (0 .. 3) {
		1873	my $neigh = $map->tile_path ($_)
		1874	or next;
		1875	$neigh = find $neigh, $map
		1876	or next;
		1877	$neigh->load;
		1878
		1879	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1880	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1881	}
		1882
		1883	for (@diag) {
		1884	my $neigh = find @$_
		1885	or next;
		1886	$neigh->load;
		1887	}
1270	}	1888	}
1271		1889
1272	sub find_sync {	1890	sub find_sync {
1273	my ($path, $origin) = @_;	1891	my ($path, $origin) = @_;
1274		1892
1275	cf::sync_job {	1893	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1894	}
1280		1895
1281	sub do_load_sync {	1896	sub do_load_sync {
1282	my ($map) = @_;	1897	my ($map) = @_;
1283		1898
1284	cf::sync_job { $map->load };	1899	cf::sync_job { $map->load };
1285	}	1900	}
1286		1901
		1902	our %MAP_PREFETCH;
		1903	our $MAP_PREFETCHER = undef;
		1904
		1905	sub find_async {
		1906	my ($path, $origin) = @_;
		1907
		1908	$path = normalise $path, $origin && $origin->{path};
		1909
		1910	if (my $map = $cf::MAP{$path}) {
		1911	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1912	}
		1913
		1914	undef $MAP_PREFETCH{$path};
		1915	$MAP_PREFETCHER ||= cf::async {
		1916	while (%MAP_PREFETCH) {
		1917	for my $path (keys %MAP_PREFETCH) {
		1918	if (my $map = find $path) {
		1919	$map->load;
		1920	}
		1921
		1922	delete $MAP_PREFETCH{$path};
		1923	}
		1924	}
		1925	undef $MAP_PREFETCHER;
		1926	};
		1927	$MAP_PREFETCHER->prio (6);
		1928
		1929	()
		1930	}
		1931
1287	sub save {	1932	sub save {
1288	my ($self) = @_;	1933	my ($self) = @_;
1289		1934
1290	my $lock = cf::lock_acquire "map_data:" . $self->path;	1935	my $lock = cf::lock_acquire "map_data:" . $self->path;
1291		1936
1292	$self->{last_save} = $cf::RUNTIME;	1937	$self->{last_save} = $cf::RUNTIME;
1293		1938
1294	return unless $self->dirty;	1939	return unless $self->dirty;
1295		1940
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1941	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1942	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		1943
1299	$self->{load_path} = $save;	1944	$self->{load_path} = $save;
1300		1945
1301	return if $self->{deny_save};	1946	return if $self->{deny_save};
1302		1947
1303	local $self->{last_access} = $self->last_access;#d#	1948	local $self->{last_access} = $self->last_access;#d#
1304		1949
		1950	cf::async {
		1951	$_->contr->save for $self->players;
		1952	};
		1953
1305	if ($uniq) {	1954	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1955	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	1956	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	1957	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1958	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	1959	}
1311	}	1960	}
1312		1961
1313	sub swap_out {	1962	sub swap_out {
1314	my ($self) = @_;	1963	my ($self) = @_;
…		…
1328		1977
1329	sub reset_at {	1978	sub reset_at {
1330	my ($self) = @_;	1979	my ($self) = @_;
1331		1980
1332	# TODO: safety, remove and allow resettable per-player maps	1981	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};
1334	return 1e99 if $self->{deny_reset};	1982	return 1e99 if $self->{deny_reset};
1335		1983
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1984	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1985	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		1986
…		…
1343	my ($self) = @_;	1991	my ($self) = @_;
1344		1992
1345	$self->reset_at <= $cf::RUNTIME	1993	$self->reset_at <= $cf::RUNTIME
1346	}	1994	}
1347		1995
1348	sub unlink_save {
1349	my ($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	$self->save;
1367	}
1368
1369	sub reset {	1996	sub reset {
1370	my ($self) = @_;	1997	my ($self) = @_;
1371		1998
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	1999	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		2000
1374	return if $self->players;	2001	return if $self->players;
1375	return if $self->{path}{user_rel};#d#
1376		2002
1377	warn "resetting map ", $self->path;#d#	2003	warn "resetting map ", $self->path;
		2004
		2005	$self->in_memory (cf::MAP_SWAPPED);
		2006
		2007	# need to save uniques path
		2008	unless ($self->{deny_save}) {
		2009	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2010
		2011	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2012	if $uniq;
		2013	}
1378		2014
1379	delete $cf::MAP{$self->path};	2015	delete $cf::MAP{$self->path};
		2016
		2017	$self->clear;
1380		2018
1381	$_->clear_links_to ($self) for values %cf::MAP;	2019	$_->clear_links_to ($self) for values %cf::MAP;
1382		2020
1383	$self->unlink_save;	2021	$self->unlink_save;
1384	$self->destroy;	2022	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	2025	my $nuke_counter = "aaaa";
1388		2026
1389	sub nuke {	2027	sub nuke {
1390	my ($self) = @_;	2028	my ($self) = @_;
1391		2029
		2030	delete $cf::MAP{$self->path};
		2031
		2032	$self->unlink_save;
		2033
		2034	bless $self, "cf::map";
		2035	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	2036	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	2037	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	2038	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2039
		2040	$cf::MAP{$self->path} = $self;
		2041
1395	$self->reset; # polite request, might not happen	2042	$self->reset; # polite request, might not happen
1396	}	2043	}
1397		2044
1398	sub customise_for {	2045	=item $maps = cf::map::tmp_maps
1399	my ($map, $ob) = @_;
1400		2046
1401	if ($map->per_player) {	2047	Returns an arrayref with all map paths of currently instantiated and saved
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2048	maps. May block.
		2049
		2050	=cut
		2051
		2052	sub tmp_maps() {
1403	}	2053	[
1404		2054	map {
1405	$map	2055	utf8::decode $_;
		2056	/\.map$/
		2057	? normalise $_
		2058	: ()
		2059	} @{ aio_readdir $TMPDIR or [] }
		2060	]
1406	}	2061	}
1407		2062
1408	sub emergency_save {	2063	=item $maps = cf::map::random_maps
1409	my $freeze_guard = cf::freeze_mainloop;
1410		2064
1411	warn "enter emergency map save\n";	2065	Returns an arrayref with all map paths of currently instantiated and saved
		2066	random maps. May block.
1412		2067
1413	cf::sync_job {	2068	=cut
1414	warn "begin emergency map save\n";
1415	$_->save for values %cf::MAP;
1416	};
1417		2069
1418	warn "end emergency map save\n";	2070	sub random_maps() {
		2071	[
		2072	map {
		2073	utf8::decode $_;
		2074	/\.map$/
		2075	? normalise "?random/$_"
		2076	: ()
		2077	} @{ aio_readdir $RANDOMDIR or [] }
		2078	]
		2079	}
		2080
		2081	=item cf::map::unique_maps
		2082
		2083	Returns an arrayref of paths of all shared maps that have
		2084	instantiated unique items. May block.
		2085
		2086	=cut
		2087
		2088	sub unique_maps() {
		2089	[
		2090	map {
		2091	utf8::decode $_;
		2092	/\.map$/
		2093	? normalise $_
		2094	: ()
		2095	} @{ aio_readdir $UNIQUEDIR or [] }
		2096	]
1419	}	2097	}
1420		2098
1421	package cf;	2099	package cf;
1422		2100
1423	=back	2101	=back
1424		2102
		2103	=head3 cf::object
		2104
		2105	=cut
		2106
		2107	package cf::object;
		2108
		2109	=over 4
		2110
		2111	=item $ob->inv_recursive
		2112
		2113	Returns the inventory of the object _and_ their inventories, recursively.
		2114
		2115	=cut
		2116
		2117	sub inv_recursive_;
		2118	sub inv_recursive_ {
		2119	map { $_, inv_recursive_ $_->inv } @_
		2120	}
		2121
		2122	sub inv_recursive {
		2123	inv_recursive_ inv $_[0]
		2124	}
		2125
		2126	package cf;
		2127
		2128	=back
1425		2129
1426	=head3 cf::object::player	2130	=head3 cf::object::player
1427		2131
1428	=over 4	2132	=over 4
1429		2133
…		…
1443		2147
1444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2148	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1445		2149
1446	if ($self->{record_replies}) {	2150	if ($self->{record_replies}) {
1447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2151	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2152
1448	} else {	2153	} else {
		2154	my $pl = $self->contr;
		2155
		2156	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2157	my $diag = $pl->{npc_dialog};
		2158	$diag->{pl}->ext_reply (
		2159	$diag->{id},
		2160	msgtype => "reply",
		2161	msg => $diag->{pl}->expand_cfpod ($msg),
		2162	add_topics => []
		2163	);
		2164
		2165	} else {
1449	$msg = $npc->name . " says: $msg" if $npc;	2166	$msg = $npc->name . " says: $msg" if $npc;
1450	$self->message ($msg, $flags);	2167	$self->message ($msg, $flags);
		2168	}
1451	}	2169	}
1452	}	2170	}
1453		2171
1454	=item $player_object->may ("access")	2172	=item $player_object->may ("access")
1455		2173
…		…
1469		2187
1470	=item $player_object->enter_link	2188	=item $player_object->enter_link
1471		2189
1472	Freezes the player and moves him/her to a special map (C<{link}>).	2190	Freezes the player and moves him/her to a special map (C<{link}>).
1473		2191
1474	The player should be reaosnably safe there for short amounts of time. You	2192	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.	2193	I<MUST> call C<leave_link> as soon as possible, though.
1476		2194
		2195	Will never block.
		2196
1477	=item $player_object->leave_link ($map, $x, $y)	2197	=item $player_object->leave_link ($map, $x, $y)
1478		2198
1479	Moves the player out of the specila link map onto the given map. If the	2199	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	2200	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	2201	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	2202	fails, to the emergency map position.
1483		2203
1484	Might block.	2204	Might block.
1485		2205
1486	=cut	2206	=cut
		2207
		2208	sub link_map {
		2209	unless ($LINK_MAP) {
		2210	$LINK_MAP = cf::map::find "{link}"
		2211	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2212	$LINK_MAP->load;
		2213	}
		2214
		2215	$LINK_MAP
		2216	}
1487		2217
1488	sub cf::object::player::enter_link {	2218	sub cf::object::player::enter_link {
1489	my ($self) = @_;	2219	my ($self) = @_;
1490		2220
1491	$self->deactivate_recursive;	2221	$self->deactivate_recursive;
1492		2222
1493	return if $self->map == $LINK_MAP;	2223	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		2224
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2225	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	2226	if $self->map && $self->map->{path} ne "{link}";
1497		2227
1498	$self->enter_map ($LINK_MAP, 20, 20);	2228	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	2229	}
1500		2230
1501	sub cf::object::player::leave_link {	2231	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	2232	my ($self, $map, $x, $y) = @_;
		2233
		2234	return unless $self->contr->active;
1503		2235
1504	my $link_pos = delete $self->{_link_pos};	2236	my $link_pos = delete $self->{_link_pos};
1505		2237
1506	unless ($map) {	2238	unless ($map) {
1507	# restore original map position	2239	# restore original map position
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	2253	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	2254	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	2255	if $x <=0 && $y <= 0;
1524		2256
1525	$map->load;	2257	$map->load;
		2258	$map->load_diag;
1526		2259
		2260	return unless $self->contr->active;
1527	$self->activate_recursive;	2261	$self->activate_recursive;
		2262
		2263	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1528	$self->enter_map ($map, $x, $y);	2264	$self->enter_map ($map, $x, $y);
1529	}	2265	}
1530		2266
1531	cf::player->attach (	2267	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1532	on_logout => sub {
1533	my ($pl) = @_;
1534		2268
1535	# abort map switching before logout	2269	Moves the player to the given map-path and coordinates by first freezing
1536	if ($pl->ob->{_link_pos}) {	2270	her, loading and preparing them map, calling the provided $check callback
1537	cf::sync_job {	2271	that has to return the map if sucecssful, and then unfreezes the player on
1538	$pl->ob->leave_link	2272	the new (success) or old (failed) map position. In either case, $done will
1539	};	2273	be called at the end of this process.
1540	}
1541	},
1542	on_login => sub {
1543	my ($pl) = @_;
1544		2274
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	2275	=cut
		2276
		2277	our $GOTOGEN;
1563		2278
1564	sub cf::object::player::goto {	2279	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	2280	my ($self, $path, $x, $y, $check, $done) = @_;
		2281
		2282	# do generation counting so two concurrent goto's will be executed in-order
		2283	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1566		2284
1567	$self->enter_link;	2285	$self->enter_link;
1568		2286
1569	(Coro::async_pool {	2287	(async {
1570	$path = new cf::path $path;	2288	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	2289	my $map = cf::map::find $path;
		2290
		2291	if ($map) {
1573	$map = $map->customise_for ($self) if $map;	2292	$map = $map->customise_for ($self);
1574		2293	$map = $check->($map) if $check && $map;
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	2294	} else {
1576	# if $map;
1577
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2295	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	}
1579		2297
		2298	$map
		2299	};
		2300
		2301	if ($@) {
		2302	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2303	LOG llevError | logBacktrace, Carp::longmess $@;
		2304	}
		2305
		2306	if ($gen == $self->{_goto_generation}) {
		2307	delete $self->{_goto_generation};
1580	$self->leave_link ($map, $x, $y);	2308	$self->leave_link ($map, $x, $y);
		2309	}
		2310
		2311	$done->() if $done;
1581	})->prio (1);	2312	})->prio (1);
1582	}	2313	}
1583		2314
1584	=item $player_object->enter_exit ($exit_object)	2315	=item $player_object->enter_exit ($exit_object)
1585		2316
…		…
1587		2318
1588	sub parse_random_map_params {	2319	sub parse_random_map_params {
1589	my ($spec) = @_;	2320	my ($spec) = @_;
1590		2321
1591	my $rmp = { # defaults	2322	my $rmp = { # defaults
1592	xsize => 10,	2323	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	2324	ysize => (cf::rndm 15, 40),
		2325	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2326	#layout => string,
1594	};	2327	};
1595		2328
1596	for (split /\n/, $spec) {	2329	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	2330	my ($k, $v) = split /\s+/, $_, 2;
1598		2331
…		…
1602	$rmp	2335	$rmp
1603	}	2336	}
1604		2337
1605	sub prepare_random_map {	2338	sub prepare_random_map {
1606	my ($exit) = @_;	2339	my ($exit) = @_;
		2340
		2341	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		2342
1608	# all this does is basically replace the /! path by	2343	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	2344	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	2345	# that depends on the exit object
1611		2346
1612	my $rmp = parse_random_map_params $exit->msg;	2347	my $rmp = parse_random_map_params $exit->msg;
1613		2348
1614	if ($exit->map) {	2349	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	2350	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	2351	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	2352	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	2353	$rmp->{origin_y} = $exit->y;
1619	}	2354	}
1620		2355
1621	$rmp->{random_seed} ||= $exit->random_seed;	2356	$rmp->{random_seed} ||= $exit->random_seed;
1622		2357
1623	my $data = cf::to_json $rmp;	2358	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	2359	my $md5 = Digest::MD5::md5_hex $data;
		2360	my $meta = "$RANDOMDIR/$md5.meta";
1625		2361
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2362	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	2363	aio_write $fh, 0, (length $data), $data, 0;
		2364	undef $fh;
		2365	aio_rename "$meta~", $meta;
1628		2366
1629	$exit->slaying ("?random/$md5");	2367	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	2368	$exit->msg (undef);
1631	}	2369	}
1632	}	2370	}
…		…
1634	sub cf::object::player::enter_exit {	2372	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	2373	my ($self, $exit) = @_;
1636		2374
1637	return unless $self->type == cf::PLAYER;	2375	return unless $self->type == cf::PLAYER;
1638		2376
		2377	if ($exit->slaying eq "/!") {
		2378	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2379	# the problem is that $exit might not survive long enough
		2380	# so it needs to be done right now, right here
		2381	cf::sync_job { prepare_random_map $exit };
		2382	}
		2383
		2384	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2385	my $hp = $exit->stats->hp;
		2386	my $sp = $exit->stats->sp;
		2387
1639	$self->enter_link;	2388	$self->enter_link;
1640		2389
1641	(Coro::async_pool {	2390	# if exit is damned, update players death & WoR home-position
		2391	$self->contr->savebed ($slaying, $hp, $sp)
		2392	if $exit->flag (FLAG_DAMNED);
		2393
		2394	(async {
1642	$self->deactivate_recursive; # just to be sure	2395	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	2396	unless (eval {
1644	prepare_random_map $exit	2397	$self->goto ($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		2398
1650	1;	2399	1;
1651	}) {	2400	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	2401	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	2402	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	2403	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	2404	cf::NDI_UNIQUE | cf::NDI_RED);
1656		2405
1657	warn "ERROR in enter_exit: $@";	2406	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	2407	$self->leave_link;
1659	}	2408	}
1660	})->prio (1);	2409	})->prio (1);
…		…
1673		2422
1674	sub cf::client::send_drawinfo {	2423	sub cf::client::send_drawinfo {
1675	my ($self, $text, $flags) = @_;	2424	my ($self, $text, $flags) = @_;
1676		2425
1677	utf8::encode $text;	2426	utf8::encode $text;
1678	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2427	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1679	}	2428	}
1680		2429
		2430	=item $client->send_msg ($color, $type, $msg, [extra...])
		2431
		2432	Send a drawinfo or msg packet to the client, formatting the msg for the
		2433	client if neccessary. C<$type> should be a string identifying the type of
		2434	the message, with C<log> being the default. If C<$color> is negative, suppress
		2435	the message unless the client supports the msg packet.
		2436
		2437	=cut
		2438
		2439	sub cf::client::send_msg {
		2440	my ($self, $color, $type, $msg, @extra) = @_;
		2441
		2442	$msg = $self->pl->expand_cfpod ($msg);
		2443
		2444	return unless @extra || length $msg;
		2445
		2446	if ($self->can_msg) {
		2447	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2448	} else {
		2449	# replace some tags by gcfclient-compatible ones
		2450	for ($msg) {
		2451	1 while
		2452	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2453	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2454	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2455	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2456	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2457	}
		2458
		2459	if ($color >= 0) {
		2460	if (0 && $msg =~ /\[/) {
		2461	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2462	} else {
		2463	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2464	$self->send_packet ("drawinfo $color $msg")
		2465	}
		2466	}
		2467	}
		2468	}
		2469
		2470	=item $client->ext_event ($type, %msg)
		2471
		2472	Sends an ext event to the client.
		2473
		2474	=cut
		2475
		2476	sub cf::client::ext_event($$%) {
		2477	my ($self, $type, %msg) = @_;
		2478
		2479	return unless $self->extcmd;
		2480
		2481	$msg{msgtype} = "event_$type";
		2482	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2483	}
1681		2484
1682	=item $success = $client->query ($flags, "text", \&cb)	2485	=item $success = $client->query ($flags, "text", \&cb)
1683		2486
1684	Queues a query to the client, calling the given callback with	2487	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>,	2488	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>.	2489	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1687		2490
1688	Queries can fail, so check the return code. Or don't, as queries will become	2491	Queries can fail, so check the return code. Or don't, as queries will
1689	reliable at some point in the future.	2492	become reliable at some point in the future.
1690		2493
1691	=cut	2494	=cut
1692		2495
1693	sub cf::client::query {	2496	sub cf::client::query {
1694	my ($self, $flags, $text, $cb) = @_;	2497	my ($self, $flags, $text, $cb) = @_;
…		…
1702	utf8::encode $text;	2505	utf8::encode $text;
1703	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2506	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1704		2507
1705	$self->send_packet ($self->{query_queue}[0][0])	2508	$self->send_packet ($self->{query_queue}[0][0])
1706	if @{ $self->{query_queue} } == 1;	2509	if @{ $self->{query_queue} } == 1;
		2510
		2511	1
1707	}	2512	}
1708		2513
1709	cf::client->attach (	2514	cf::client->attach (
		2515	on_connect => sub {
		2516	my ($ns) = @_;
		2517
		2518	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2519	},
1710	on_reply => sub {	2520	on_reply => sub {
1711	my ($ns, $msg) = @_;	2521	my ($ns, $msg) = @_;
1712		2522
1713	# this weird shuffling is so that direct followup queries	2523	# this weird shuffling is so that direct followup queries
1714	# get handled first	2524	# get handled first
1715	my $queue = delete $ns->{query_queue}	2525	my $queue = delete $ns->{query_queue}
1716	or return; # be conservative, not sure how that can happen, but we saw a crash here	2526	or return; # be conservative, not sure how that can happen, but we saw a crash here
1717		2527
1718	(shift @$queue)->[1]->($msg);	2528	(shift @$queue)->[1]->($msg);
		2529	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		2530
1720	push @{ $ns->{query_queue} }, @$queue;	2531	push @{ $ns->{query_queue} }, @$queue;
1721		2532
1722	if (@{ $ns->{query_queue} } == @$queue) {	2533	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	2534	if (@$queue) {
…		…
1725	} else {	2536	} else {
1726	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2537	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1727	}	2538	}
1728	}	2539	}
1729	},	2540	},
		2541	on_exticmd => sub {
		2542	my ($ns, $buf) = @_;
		2543
		2544	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2545
		2546	if (ref $msg) {
		2547	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2548	if (my %reply = $cb->($ns, $msg)) {
		2549	$reply{msgid} = $msg->{msgid};
		2550	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2551	}
		2552	}
		2553	} else {
		2554	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2555	}
		2556
		2557	cf::override;
		2558	},
1730	);	2559	);
1731		2560
1732	=item $client->coro (\&cb)	2561	=item $client->async (\&cb)
1733		2562
1734	Create a new coroutine, running the specified callback. The coroutine will	2563	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2564	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2565	or loss of connection).
1737		2566
1738	=cut	2567	=cut
1739		2568
1740	sub cf::client::coro {	2569	sub cf::client::async {
1741	my ($self, $cb) = @_;	2570	my ($self, $cb) = @_;
1742		2571
1743	my $coro = &Coro::async_pool ($cb);	2572	my $coro = &Coro::async ($cb);
1744		2573
1745	$coro->on_destroy (sub {	2574	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2575	delete $self->{_coro}{$coro+0};
1747	});	2576	});
1748		2577
…		…
1781		2610
1782	# here we export the classes and methods available to script code	2611	# here we export the classes and methods available to script code
1783		2612
1784	=pod	2613	=pod
1785		2614
1786	The following fucntions and emthods are available within a safe environment:	2615	The following functions and methods are available within a safe environment:
1787		2616
1788	cf::object contr pay_amount pay_player map	2617	cf::object
		2618	contr pay_amount pay_player map x y force_find force_add
		2619	insert remove
		2620
1789	cf::object::player player	2621	cf::object::player
1790	cf::player peaceful	2622	player
1791	cf::map trigger	2623
		2624	cf::player
		2625	peaceful
		2626
		2627	cf::map
		2628	trigger
1792		2629
1793	=cut	2630	=cut
1794		2631
1795	for (	2632	for (
1796	["cf::object" => qw(contr pay_amount pay_player map)],	2633	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2634	insert remove)],
1797	["cf::object::player" => qw(player)],	2635	["cf::object::player" => qw(player)],
1798	["cf::player" => qw(peaceful)],	2636	["cf::player" => qw(peaceful)],
1799	["cf::map" => qw(trigger)],	2637	["cf::map" => qw(trigger)],
1800	) {	2638	) {
1801	no strict 'refs';	2639	no strict 'refs';
…		…
1872	=back	2710	=back
1873		2711
1874	=cut	2712	=cut
1875		2713
1876	#############################################################################	2714	#############################################################################
		2715	# the server's init and main functions
1877		2716
1878	=head2 EXTENSION DATABASE SUPPORT	2717	sub load_facedata($) {
		2718	my ($path) = @_;
1879		2719
1880	Crossfire maintains a very simple database for extension use. It can	2720	warn "loading facedata from $path\n";
1881	currently store anything that can be serialised using Storable, which
1882	excludes objects.
1883		2721
1884	The parameter C<$family> should best start with the name of the extension	2722	my $facedata;
1885	using it, it should be unique.	2723	0 < aio_load $path, $facedata
		2724	or die "$path: $!";
1886		2725
1887	=over 4	2726	$facedata = Coro::Storable::thaw $facedata;
1888		2727
1889	=item $hashref = cf::db_get $family	2728	$facedata->{version} == 2
		2729	or cf::cleanup "$path: version mismatch, cannot proceed.";
1890		2730
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	}	2731	{
		2732	my $faces = $facedata->{faceinfo};
1927		2733
1928	my $pid;	2734	while (my ($face, $info) = each %$faces) {
		2735	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2736	cf::face::set_visibility $idx, $info->{visibility};
		2737	cf::face::set_magicmap $idx, $info->{magicmap};
		2738	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2739	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
1929		2740
1930	sub db_save() {	2741	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]} = $_[1];
1967	}
1968	db_dirty;
1969	}
1970
1971	cf::global->attach (
1972	prio => 10000,
1973	on_cleanup => sub {
1974	db_sync;
1975	},	2742	}
1976	);
1977	}
1978		2743
1979	#############################################################################	2744	while (my ($face, $info) = each %$faces) {
1980	# the server's main()	2745	next unless $info->{smooth};
		2746	my $idx = cf::face::find $face
		2747	or next;
		2748	if (my $smooth = cf::face::find $info->{smooth}) {
		2749	cf::face::set_smooth $idx, $smooth;
		2750	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2751	} else {
		2752	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2753	}
		2754
		2755	cf::cede_to_tick;
		2756	}
		2757	}
		2758
		2759	{
		2760	my $anims = $facedata->{animinfo};
		2761
		2762	while (my ($anim, $info) = each %$anims) {
		2763	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2764	cf::cede_to_tick;
		2765	}
		2766
		2767	cf::anim::invalidate_all; # d'oh
		2768	}
		2769
		2770	{
		2771	# TODO: for gcfclient pleasure, we should give resources
		2772	# that gcfclient doesn't grok a >10000 face index.
		2773	my $res = $facedata->{resource};
		2774	my $enc = JSON::XS->new->utf8->canonical;
		2775
		2776	while (my ($name, $info) = each %$res) {
		2777	my $meta = $enc->encode ({
		2778	name => $name,
		2779	type => $info->{type},
		2780	copyright => $info->{copyright}, #TODO#
		2781	});
		2782
		2783	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2784
		2785	if ($name =~ /\.jpg$/) {
		2786	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2787	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2788	} else {
		2789	my $data = pack "(w/a*)*", $meta, $info->{data};
		2790	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2791
		2792	cf::face::set_type $idx, 1;
		2793	cf::face::set_data $idx, 0, $data, $chk;
		2794	}
		2795
		2796	cf::cede_to_tick;
		2797	}
		2798	}
		2799
		2800	1
		2801	}
		2802
		2803	sub reload_regions {
		2804	load_resource_file "$MAPDIR/regions"
		2805	or die "unable to load regions file\n";
		2806
		2807	for (cf::region::list) {
		2808	$_->{match} = qr/$_->{match}/
		2809	if exists $_->{match};
		2810	}
		2811	}
		2812
		2813	sub reload_facedata {
		2814	load_facedata "$DATADIR/facedata"
		2815	or die "unable to load facedata\n";
		2816	}
		2817
		2818	sub reload_archetypes {
		2819	load_resource_file "$DATADIR/archetypes"
		2820	or die "unable to load archetypes\n";
		2821	#d# NEED to laod twice to resolve forward references
		2822	# this really needs to be done in an extra post-pass
		2823	# (which needs to be synchronous, so solve it differently)
		2824	load_resource_file "$DATADIR/archetypes"
		2825	or die "unable to load archetypes\n";
		2826	}
		2827
		2828	sub reload_treasures {
		2829	load_resource_file "$DATADIR/treasures"
		2830	or die "unable to load treasurelists\n";
		2831	}
		2832
		2833	sub reload_resources {
		2834	warn "reloading resource files...\n";
		2835
		2836	reload_regions;
		2837	reload_facedata;
		2838	#reload_archetypes;#d#
		2839	reload_archetypes;
		2840	reload_treasures;
		2841
		2842	warn "finished reloading resource files\n";
		2843	}
		2844
		2845	sub init {
		2846	reload_resources;
		2847	}
1981		2848
1982	sub cfg_load {	2849	sub cfg_load {
1983	open my $fh, "<:utf8", cf::confdir . "/config"	2850	open my $fh, "<:utf8", "$CONFDIR/config"
1984	or return;	2851	or return;
1985		2852
1986	local $/;	2853	local $/;
1987	*CFG = YAML::Syck::Load <$fh>;	2854	*CFG = YAML::Syck::Load <$fh>;
1988		2855
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	2858	$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};	2859	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		2860
1994	if (exists $CFG{mlockall}) {	2861	if (exists $CFG{mlockall}) {
1995	eval {	2862	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	2863	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	2864	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	2865	};
1999	warn $@ if $@;	2866	warn $@ if $@;
2000	}	2867	}
2001	}	2868	}
2002		2869
2003	sub main {	2870	sub main {
2004	# we must not ever block the main coroutine	2871	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	2872	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2873	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	2874	(async {
		2875	Event::one_event;
		2876	})->prio (Coro::PRIO_MAX);
2008	};	2877	};
2009		2878
2010	cfg_load;	2879	cfg_load;
2011	db_load;	2880	db_init;
2012	load_extensions;	2881	load_extensions;
		2882
		2883	$TICK_WATCHER->start;
2013	Event::loop;	2884	Event::loop;
2014	}	2885	}
2015		2886
2016	#############################################################################	2887	#############################################################################
2017	# initialisation	2888	# initialisation and cleanup
2018		2889
		2890	# install some emergency cleanup handlers
		2891	BEGIN {
		2892	for my $signal (qw(INT HUP TERM)) {
		2893	Event->signal (
		2894	reentrant => 0,
		2895	data => WF_AUTOCANCEL,
		2896	signal => $signal,
		2897	prio => 0,
		2898	cb => sub {
		2899	cf::cleanup "SIG$signal";
		2900	},
		2901	);
		2902	}
		2903	}
		2904
		2905	sub write_runtime {
		2906	my $runtime = "$LOCALDIR/runtime";
		2907
		2908	# first touch the runtime file to show we are still running:
		2909	# the fsync below can take a very very long time.
		2910
		2911	IO::AIO::aio_utime $runtime, undef, undef;
		2912
		2913	my $guard = cf::lock_acquire "write_runtime";
		2914
		2915	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2916	or return;
		2917
		2918	my $value = $cf::RUNTIME + 90 + 10;
		2919	# 10 is the runtime save interval, for a monotonic clock
		2920	# 60 allows for the watchdog to kill the server.
		2921
		2922	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2923	and return;
		2924
		2925	# always fsync - this file is important
		2926	aio_fsync $fh
		2927	and return;
		2928
		2929	# touch it again to show we are up-to-date
		2930	aio_utime $fh, undef, undef;
		2931
		2932	close $fh
		2933	or return;
		2934
		2935	aio_rename "$runtime~", $runtime
		2936	and return;
		2937
		2938	warn "runtime file written.\n";
		2939
		2940	1
		2941	}
		2942
		2943	sub emergency_save() {
		2944	my $freeze_guard = cf::freeze_mainloop;
		2945
		2946	warn "enter emergency perl save\n";
		2947
		2948	cf::sync_job {
		2949	# use a peculiar iteration method to avoid tripping on perl
		2950	# refcount bugs in for. also avoids problems with players
		2951	# and maps saved/destroyed asynchronously.
		2952	warn "begin emergency player save\n";
		2953	for my $login (keys %cf::PLAYER) {
		2954	my $pl = $cf::PLAYER{$login} or next;
		2955	$pl->valid or next;
		2956	$pl->save;
		2957	}
		2958	warn "end emergency player save\n";
		2959
		2960	warn "begin emergency map save\n";
		2961	for my $path (keys %cf::MAP) {
		2962	my $map = $cf::MAP{$path} or next;
		2963	$map->valid or next;
		2964	$map->save;
		2965	}
		2966	warn "end emergency map save\n";
		2967
		2968	warn "begin emergency database checkpoint\n";
		2969	BDB::db_env_txn_checkpoint $DB_ENV;
		2970	warn "end emergency database checkpoint\n";
		2971	};
		2972
		2973	warn "leave emergency perl save\n";
		2974	}
		2975
		2976	sub post_cleanup {
		2977	my ($make_core) = @_;
		2978
		2979	warn Carp::longmess "post_cleanup backtrace"
		2980	if $make_core;
		2981	}
		2982
2019	sub reload() {	2983	sub do_reload_perl() {
2020	# can/must only be called in main	2984	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	2985	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	2986	warn "can only reload from main coroutine";
2023	return;	2987	return;
2024	}	2988	}
2025		2989
2026	warn "reloading...";	2990	warn "reloading...";
2027		2991
2028	my $guard = freeze_mainloop;	2992	warn "entering sync_job";
		2993
		2994	cf::sync_job {
		2995	cf::write_runtime; # external watchdog should not bark
2029	cf::emergency_save;	2996	cf::emergency_save;
		2997	cf::write_runtime; # external watchdog should not bark
2030		2998
2031	eval {	2999	warn "syncing database to disk";
		3000	BDB::db_env_txn_checkpoint $DB_ENV;
		3001
2032	# if anything goes wrong in here, we should simply crash as we already saved	3002	# if anything goes wrong in here, we should simply crash as we already saved
2033		3003
2034	# cancel all watchers	3004	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	3005	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	3006	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	3007	}
2038		3008
		3009	warn "flushing outstanding aio requests";
		3010	for (;;) {
		3011	BDB::flush;
		3012	IO::AIO::flush;
		3013	Coro::cede;
		3014	last unless IO::AIO::nreqs || BDB::nreqs;
		3015	warn "iterate...";
		3016	}
		3017
		3018	++$RELOAD;
		3019
2039	# cancel all extension coros	3020	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	3021	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	3022	%EXT_CORO = ();
2042		3023
2043	# unload all extensions	3024	warn "removing commands";
2044	for (@exts) {	3025	%COMMAND = ();
		3026
		3027	warn "removing ext/exti commands";
		3028	%EXTCMD = ();
		3029	%EXTICMD = ();
		3030
		3031	warn "unloading/nuking all extensions";
		3032	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	3033	warn "... unloading $pkg";
2046	unload_extension $_;	3034
		3035	if (my $cb = $pkg->can ("unload")) {
		3036	eval {
		3037	$cb->($pkg);
		3038	1
		3039	} or warn "$pkg unloaded, but with errors: $@";
2047	}	3040	}
2048		3041
		3042	warn "... nuking $pkg";
		3043	Symbol::delete_package $pkg;
		3044	}
		3045
2049	# unload all modules loaded from $LIBDIR	3046	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	3047	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3048	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		3049
2053	warn "removing <$k>";	3050	warn "... unloading $k";
2054	delete $INC{$k};	3051	delete $INC{$k};
2055		3052
2056	$k =~ s/\.pm$//;	3053	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	3054	$k =~ s/\//::/g;
2058		3055
…		…
2061	}	3058	}
2062		3059
2063	Symbol::delete_package $k;	3060	Symbol::delete_package $k;
2064	}	3061	}
2065		3062
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	3063	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	3064	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3065	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		3066
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	3067	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	3068	delete $INC{"cf.pm"};
		3069	delete $INC{"cf/pod.pm"};
2079		3070
2080	# don't, removes xs symbols, too,	3071	# don't, removes xs symbols, too,
2081	# and global variables created in xs	3072	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	3073	#Symbol::delete_package __PACKAGE__;
2083		3074
2084	# reload cf.pm	3075	warn "unload completed, starting to reload now";
		3076
2085	warn "reloading cf.pm";	3077	warn "reloading cf.pm";
2086	require cf;	3078	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3079	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		3080
2089	# load config and database again	3081	warn "loading config and database again";
2090	cf::cfg_load;	3082	cf::cfg_load;
2091	cf::db_load;
2092		3083
2093	# load extensions
2094	warn "load extensions";	3084	warn "loading extensions";
2095	cf::load_extensions;	3085	cf::load_extensions;
2096		3086
2097	# reattach attachments to objects	3087	warn "reattaching attachments to objects/players";
2098	warn "reattach";	3088	_global_reattach; # objects, sockets
2099	_global_reattach;	3089	warn "reattaching attachments to maps";
2100	};	3090	reattach $_ for values %MAP;
		3091	warn "reattaching attachments to players";
		3092	reattach $_ for values %PLAYER;
2101		3093
2102	if ($@) {	3094	warn "leaving sync_job";
		3095
		3096	1
		3097	} or do {
2103	warn $@;	3098	warn $@;
2104	warn "error while reloading, exiting.";	3099	warn "error while reloading, exiting.";
2105	exit 1;	3100	exit 1;
2106	}	3101	};
2107		3102
2108	warn "reloaded successfully";	3103	warn "reloaded";
2109	};	3104	};
2110		3105
2111	#############################################################################	3106	our $RELOAD_WATCHER; # used only during reload
2112		3107
2113	unless ($LINK_MAP) {	3108	sub reload_perl() {
2114	$LINK_MAP = cf::map::new;	3109	# doing reload synchronously and two reloads happen back-to-back,
		3110	# coro crashes during coro_state_free->destroy here.
2115		3111
2116	$LINK_MAP->width (41);	3112	$RELOAD_WATCHER ||= Event->timer (
2117	$LINK_MAP->height (41);	3113	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,	3114	after => 0,
		3115	data => WF_AUTOCANCEL,
2126	cb => sub {	3116	cb => sub {
2127	$_[0]->w->cancel;	3117	do_reload_perl;
2128		3118	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	});	3119	},
2147		3120	);
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}	3121	}
2153
2154	register "<global>", __PACKAGE__;
2155		3122
2156	register_command "reload" => sub {	3123	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	3124	my ($who, $arg) = @_;
2158		3125
2159	if ($who->flag (FLAG_WIZ)) {	3126	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");
2161	reload;
2162	$who->message ("end of reload.");	3127	$who->message ("reloading server.");
		3128	async { reload_perl };
2163	}	3129	}
2164	};	3130	};
2165		3131
2166	unshift @INC, $LIBDIR;	3132	unshift @INC, $LIBDIR;
2167		3133
		3134	my $bug_warning = 0;
		3135
		3136	our @WAIT_FOR_TICK;
		3137	our @WAIT_FOR_TICK_BEGIN;
		3138
		3139	sub wait_for_tick {
		3140	return unless $TICK_WATCHER->is_active;
		3141	return if $Coro::current == $Coro::main;
		3142
		3143	my $signal = new Coro::Signal;
		3144	push @WAIT_FOR_TICK, $signal;
		3145	$signal->wait;
		3146	}
		3147
		3148	sub wait_for_tick_begin {
		3149	return unless $TICK_WATCHER->is_active;
		3150	return if $Coro::current == $Coro::main;
		3151
		3152	my $signal = new Coro::Signal;
		3153	push @WAIT_FOR_TICK_BEGIN, $signal;
		3154	$signal->wait;
		3155	}
		3156
		3157	my $min = 1e6;#d#
		3158	my $avg = 10;
2168	$TICK_WATCHER = Event->timer (	3159	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	3160	reentrant => 0,
		3161	parked => 1,
2170	prio => 0,	3162	prio => 0,
2171	at => $NEXT_TICK || $TICK,	3163	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	3164	data => WF_AUTOCANCEL,
2173	cb => sub {	3165	cb => sub {
		3166	if ($Coro::current != $Coro::main) {
		3167	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3168	unless ++$bug_warning > 10;
		3169	return;
		3170	}
		3171
		3172	$NOW = $tick_start = Event::time;
		3173
2174	cf::server_tick; # one server iteration	3174	cf::server_tick; # one server iteration
		3175
		3176	0 && sync_job {#d#
		3177	for(1..10) {
		3178	my $t = Event::time;
		3179	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3180	or die;
		3181
		3182	$map->width (50);
		3183	$map->height (50);
		3184	$map->alloc;
		3185	$map->_load_objects ("/tmp/x.map", 1);
		3186	my $t = Event::time - $t;
		3187
		3188	#next unless $t < 0.0013;#d#
		3189	if ($t < $min) {
		3190	$min = $t;
		3191	}
		3192	$avg = $avg * 0.99 + $t * 0.01;
		3193	}
		3194	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3195	exit 0;
		3196	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3197	};
		3198
2175	$RUNTIME += $TICK;	3199	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	3200	$NEXT_TICK += $TICK;
2177		3201
		3202	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3203	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3204	Coro::async_pool {
		3205	write_runtime
		3206	or warn "ERROR: unable to write runtime file: $!";
		3207	};
		3208	}
		3209
		3210	# my $AFTER = Event::time;
		3211	# warn $AFTER - $NOW;#d#
		3212
		3213	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3214	$sig->send;
		3215	}
		3216	while (my $sig = shift @WAIT_FOR_TICK) {
		3217	$sig->send;
		3218	}
		3219
		3220	$NOW = Event::time;
		3221
2178	# if we are delayed by four ticks or more, skip them all	3222	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3223	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2180		3224
2181	$TICK_WATCHER->at ($NEXT_TICK);	3225	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	3226	$TICK_WATCHER->start;
		3227
		3228	$LOAD = ($NOW - $tick_start) / $TICK;
		3229	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3230
		3231	_post_tick;
		3232
		3233
2183	},	3234	},
2184	);	3235	);
2185		3236
		3237	{
2186	IO::AIO::max_poll_time $TICK * 0.2;	3238	BDB::max_poll_time $TICK * 0.1;
2187		3239	$BDB_POLL_WATCHER = Event->io (
2188	Event->io (	3240	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	3241	fd => BDB::poll_fileno,
2190	poll => 'r',	3242	poll => 'r',
2191	prio => 5,	3243	prio => 0,
2192	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,
2194	);
2195
2196	Event->timer (
2197	data => WF_AUTOCANCEL,	3244	data => WF_AUTOCANCEL,
2198	after => 0,	3245	cb => \&BDB::poll_cb,
2199	interval => 10,	3246	);
2200	cb => sub {	3247	BDB::min_parallel 8;
2201	(Coro::unblock_sub {	3248
2202	write_runtime	3249	BDB::set_sync_prepare {
2203	or warn "ERROR: unable to write runtime file: $!";	3250	my $status;
		3251	my $current = $Coro::current;
		3252	(
		3253	sub {
		3254	$status = $!;
		3255	$current->ready; undef $current;
		3256	},
		3257	sub {
		3258	Coro::schedule while defined $current;
		3259	$! = $status;
		3260	},
		3261	)
		3262	};
		3263
		3264	unless ($DB_ENV) {
		3265	$DB_ENV = BDB::db_env_create;
		3266
		3267	cf::sync_job {
		3268	eval {
		3269	BDB::db_env_open
		3270	$DB_ENV,
		3271	$BDBDIR,
		3272	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3273	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3274	0666;
		3275
		3276	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3277
		3278	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3279	$DB_ENV->set_lk_detect;
		3280	};
		3281
		3282	cf::cleanup "db_env_open(db): $@" if $@;
2204	})->();	3283	};
2205	},	3284	}
2206	);	3285	}
		3286
		3287	{
		3288	IO::AIO::min_parallel 8;
		3289
		3290	undef $Coro::AIO::WATCHER;
		3291	IO::AIO::max_poll_time $TICK * 0.1;
		3292	$AIO_POLL_WATCHER = Event->io (
		3293	reentrant => 0,
		3294	data => WF_AUTOCANCEL,
		3295	fd => IO::AIO::poll_fileno,
		3296	poll => 'r',
		3297	prio => 6,
		3298	cb => \&IO::AIO::poll_cb,
		3299	);
		3300	}
		3301
		3302	my $_log_backtrace;
		3303
		3304	sub _log_backtrace {
		3305	my ($msg, @addr) = @_;
		3306
		3307	$msg =~ s/\n//;
		3308
		3309	# limit the # of concurrent backtraces
		3310	if ($_log_backtrace < 2) {
		3311	++$_log_backtrace;
		3312	async {
		3313	my @bt = fork_call {
		3314	@addr = map { sprintf "%x", $_ } @addr;
		3315	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3316	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3317	or die "addr2line: $!";
		3318
		3319	my @funcs;
		3320	my @res = <$fh>;
		3321	chomp for @res;
		3322	while (@res) {
		3323	my ($func, $line) = splice @res, 0, 2, ();
		3324	push @funcs, "[$func] $line";
		3325	}
		3326
		3327	@funcs
		3328	};
		3329
		3330	LOG llevInfo, "[ABT] $msg\n";
		3331	LOG llevInfo, "[ABT] $_\n" for @bt;
		3332	--$_log_backtrace;
		3333	};
		3334	} else {
		3335	LOG llevInfo, "[ABT] $msg\n";
		3336	LOG llevInfo, "[ABT] [suppressed]\n";
		3337	}
		3338	}
		3339
		3340	# load additional modules
		3341	use cf::pod;
2207		3342
2208	END { cf::emergency_save }	3343	END { cf::emergency_save }
2209		3344
2210	1	3345	1
2211		3346

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