ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.164 by root, Thu Jan 11 01:24:25 2007 UTC vs.
Revision 1.308 by root, Mon Jul 16 14:09:40 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 ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		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
27	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
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$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
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	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(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	79	our $NEXT_TICK;
50	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;
51		85
52	our %CFG;	86	our %CFG;
53		87
54	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	89	our $RUNTIME;
56		90
57	our %PLAYER; # all users	91	our %PLAYER; # all users
58	our %MAP; # all maps	92	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		94
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	95	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	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 $tick_start; # for load detecting purposes
64		101
65	binmode STDOUT;	102	binmode STDOUT;
66	binmode STDERR;	103	binmode STDERR;
67		104
68	# read virtual server time, if available	105	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
73	}	110	}
74		111
75	mkdir cf::localdir;	112	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		114
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
84		118
85	#############################################################################	119	#############################################################################
86		120
87	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
88		122
…		…
95	=item $cf::RUNTIME	129	=item $cf::RUNTIME
96		130
97	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
98	every server tick.	132	every server tick.
99		133
100	=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
101		137
102	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		142
105	=item $cf::NOW	143	=item $cf::NOW
106		144
107	The time of the last (current) server tick.	145	The time of the last (current) server tick.
108		146
109	=item $cf::TICK	147	=item $cf::TICK
110		148
111	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.
112		160
113	=item %cf::CFG	161	=item %cf::CFG
114		162
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	164	from wherever your confdir points to.
117		165
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		167
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.
124		171
125	=back	172	=back
126		173
127	=cut	174	=cut
128		175
129	BEGIN {	176	BEGIN {
130	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	178	my $msg = join "", @_;
132	utf8::encode $msg;
133		179
134	$msg .= "\n"	180	$msg .= "\n"
135	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
136		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
137	LOG llevError, $msg;	186	LOG llevError, $msg;
138	};	187	};
139	}	188	}
140		189
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	194	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		195	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	196	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		197
148	# we bless all objects into (empty) derived classes to force a method lookup	198	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	199	# within the Safe compartment.
150	for my $pkg (qw(	200	for my $pkg (qw(
151	cf::global cf::attachable	201	cf::global cf::attachable
…		…
159	}	209	}
160		210
161	$Event::DIED = sub {	211	$Event::DIED = sub {
162	warn "error in event callback: @_";	212	warn "error in event callback: @_";
163	};	213	};
		214
		215	#############################################################################
164		216
165	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
166		218
167	=over 4	219	=over 4
168		220
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	240	$d
189	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
190	}	242	}
191		243
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
195		245
196	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
197		247
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
206		249
207	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
208		251
209	=cut	252	=cut
210		253
211	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
213	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
215		258
216	=item cf::lock_wait $string	259	=item cf::lock_wait $string
217		260
218	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
219		262
…		…
225	returned.	268	returned.
226		269
227	Lock names should begin with a unique identifier (for example, cf::map::find	270	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
229		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
230	=cut	277	=cut
231		278
232	our %LOCK;	279	our %LOCK;
233		280
234	sub lock_wait($) {	281	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
255	}	302	}
256	}	303	}
257		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
258	sub freeze_mainloop {	311	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
260		313
261	my $guard = Coro::guard { $TICK_WATCHER->start };	314	my $guard = Coro::guard {
		315	$TICK_WATCHER->start;
		316	};
262	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
263	$guard	318	$guard
264	}	319	}
265		320
266	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
273		328
274	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
275		330
276	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
277		332
278	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
281		337
282	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
285	fast or be very important.	341	fast or be very important.
…		…
288		344
289	sub sync_job(&) {	345	sub sync_job(&) {
290	my ($job) = @_;	346	my ($job) = @_;
291		347
292	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
293	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
295		353
296	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
308		366
309	while ($busy) {	367	while ($busy) {
310	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
311	}	369	}
312		370
		371	$time = Event::time - $time;
		372
		373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		375
		376	$tick_start += $time; # do not account sync jobs to server load
		377
313	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
314	} else {	379	} else {
315	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
316		381
317	$job->()	382	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
337		402
338	$coro	403	$coro
339	}	404	}
340		405
341	sub write_runtime {	406	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		407
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
345	or return;	409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
346		412
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	413	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		414
351	aio_fsync $fh	415	sub _store_scalar {
352	and return;	416	open my $fh, ">", \my $buf
353		417	or die "fork_call: cannot open fh-to-buf in child : $!";
		418	Storable::store_fd $_[0], $fh;
354	close $fh	419	close $fh;
355	or return;
356		420
357	aio_rename "$runtime~", $runtime	421	$buf
358	and return;	422	}
359		423
		424	sub fork_call(&@) {
		425	my ($cb, @args) = @_;
		426
		427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		428	# or die "socketpair: $!";
		429	pipe my $fh1, my $fh2
		430	or die "pipe: $!";
		431
		432	if (my $pid = fork) {
		433	close $fh2;
		434
		435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		436	warn "pst<$res>" unless $res =~ /^pst/;
		437	$res = Coro::Storable::thaw $res;
		438
		439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		440
		441	Carp::confess $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
360	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		499	my $key = "$_[0]/$_[1]";
		500
		501	cf::sync_job {
		502	BDB::db_get $DB, undef, $key, my $data;
		503
		504	$! ? ()
		505	: $data
		506	}
		507	}
		508
		509	sub db_put($$$) {
		510	BDB::dbreq_pri 4;
		511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		512	}
		513
		514	=item cf::cache $id => [$paths...], $processversion => $process
		515
		516	Generic caching function that returns the value of the resource $id,
		517	caching and regenerating as required.
		518
		519	This function can block.
		520
		521	=cut
		522
		523	sub cache {
		524	my ($id, $src, $processversion, $process) = @_;
		525
		526	my $meta =
		527	join "\x00",
		528	$processversion,
		529	map {
		530	aio_stat $_
		531	and Carp::croak "$_: $!";
		532
		533	($_, (stat _)[7,9])
		534	} @$src;
		535
		536	my $dbmeta = db_get cache => "$id/meta";
		537	if ($dbmeta ne $meta) {
		538	# changed, we may need to process
		539
		540	my @data;
		541	my $md5;
		542
		543	for (0 .. $#$src) {
		544	0 <= aio_load $src->[$_], $data[$_]
		545	or Carp::croak "$src->[$_]: $!";
		546	}
		547
		548	# if processing is expensive, check
		549	# checksum first
		550	if (1) {
		551	$md5 =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	Coro::cede;
		556	($src->[$_], Digest::MD5::md5_hex $data[$_])
		557	} 0.. $#$src;
		558
		559
		560	my $dbmd5 = db_get cache => "$id/md5";
		561	if ($dbmd5 eq $md5) {
		562	db_put cache => "$id/meta", $meta;
		563
		564	return db_get cache => "$id/data";
		565	}
		566	}
		567
		568	my $t1 = Time::HiRes::time;
		569	my $data = $process->(\@data);
		570	my $t2 = Time::HiRes::time;
		571
		572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		573
		574	db_put cache => "$id/data", $data;
		575	db_put cache => "$id/md5" , $md5;
		576	db_put cache => "$id/meta", $meta;
		577
		578	return $data;
		579	}
		580
		581	db_get cache => "$id/data"
		582	}
		583
		584	=item cf::datalog type => key => value, ...
		585
		586	Log a datalog packet of the given type with the given key-value pairs.
		587
		588	=cut
		589
		590	sub datalog($@) {
		591	my ($type, %kv) = @_;
		592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	593	}
362		594
363	=back	595	=back
364		596
365	=cut	597	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	sub unlink_save {
522	my ($self) = @_;
523
524	utf8::encode (my $save = $self->save_path);
525	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
526	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
527	}
528
529	package cf;
530		598
531	#############################################################################	599	#############################################################################
532		600
533	=head2 ATTACHABLE OBJECTS	601	=head2 ATTACHABLE OBJECTS
534		602
…		…
536	attach callbacks/event handlers (a collection of which is called an "attachment")	604	attach callbacks/event handlers (a collection of which is called an "attachment")
537	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
538		606
539	In the following description, CLASS can be any of C<global>, C<object>	607	In the following description, CLASS can be any of C<global>, C<object>
540	C<player>, C<client> or C<map> (i.e. the attachable objects in	608	C<player>, C<client> or C<map> (i.e. the attachable objects in
541	crossfire+).	609	Crossfire TRT).
542		610
543	=over 4	611	=over 4
544		612
545	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
546		614
…		…
660	our @CB_TYPE = (); # registry for type (cf-object class) based events	728	our @CB_TYPE = (); # registry for type (cf-object class) based events
661	our @CB_MAP = ();	729	our @CB_MAP = ();
662		730
663	my %attachment;	731	my %attachment;
664		732
		733	sub cf::attachable::thawer_merge {
		734	# simply override everything except _meta
		735	local $_[0]{_meta};
		736	%{$_[0]} = %{$_[1]};
		737	}
		738
665	sub _attach_cb($$$$) {	739	sub _attach_cb($$$$) {
666	my ($registry, $event, $prio, $cb) = @_;	740	my ($registry, $event, $prio, $cb) = @_;
667		741
668	use sort 'stable';	742	use sort 'stable';
669		743
…		…
703	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
704		778
705	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
706	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
707	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
708	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
709		783
710	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
711	my $pkg = shift @arg;	785	my $pkg = shift @arg;
712		786
713	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
742	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
743	}	817	}
744		818
745	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
746	} else {	820	} else {
747	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
748	}	822	}
749		823
750	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
751	}	825	}
752		826
…		…
754	if (ref $_[0]) {	828	if (ref $_[0]) {
755	_object_attach @_;	829	_object_attach @_;
756	} else {	830	} else {
757	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
758	}	832	}
		833	_recalc_want;
759	};	834	};
760		835
761	# all those should be optimised	836	# all those should be optimised
762	sub cf::attachable::detach {	837	sub cf::attachable::detach {
763	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
766	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
767	reattach ($obj);	842	reattach ($obj);
768	} else {	843	} else {
769	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
770	}	845	}
		846	_recalc_want;
771	};	847	};
772		848
773	sub cf::attachable::attached {	849	sub cf::attachable::attached {
774	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
775		851
…		…
840	# object support	916	# object support
841		917
842	sub reattach {	918	sub reattach {
843	# basically do the same as instantiate, without calling instantiate	919	# basically do the same as instantiate, without calling instantiate
844	my ($obj) = @_;	920	my ($obj) = @_;
		921
		922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
845		923
846	my $registry = $obj->registry;	924	my $registry = $obj->registry;
847		925
848	@$registry = ();	926	@$registry = ();
849		927
…		…
896	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
897		975
898	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
899	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
900	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
901	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	980	close $fh;
903		981
904	if (@$objs) {	982	if (@$objs) {
905	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
906	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
907	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
908	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
909	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
910	close $fh;	988	close $fh;
911	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
912	}	990	}
913	} else {	991	} else {
914	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
946	or return;	1024	or return;
947	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
948	}	1026	}
949		1027
950	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
951	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
952	return ($data, $av);	1030	return ($data, $av);
953	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
954		1038
955	#############################################################################	1039	#############################################################################
956	# command handling &c	1040	# command handling &c
957		1041
958	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
971	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
972	}	1056	}
973		1057
974	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
975		1059
976	Register a callbackf ro execution when the client sends an extcmd packet.	1060	Register a callback for execution when the client sends an (synchronous)
		1061	extcmd packet. Ext commands will be processed in the order they are
		1062	received by the server, like other user commands. The first argument is
		1063	the logged-in player. Ext commands can only be processed after a player
		1064	has logged in successfully.
977		1065
978	If the callback returns something, it is sent back as if reply was being	1066	If the callback returns something, it is sent back as if reply was being
979	called.	1067	called.
980		1068
		1069	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1070
		1071	Register a callback for execution when the client sends an (asynchronous)
		1072	exticmd packet. Exti commands are processed by the server as soon as they
		1073	are received, i.e. out of order w.r.t. other commands. The first argument
		1074	is a client socket. Exti commands can be received anytime, even before
		1075	log-in.
		1076
		1077	If the callback returns something, it is sent back as if reply was being
		1078	called.
		1079
981	=cut	1080	=cut
982		1081
983	sub register_extcmd {	1082	sub register_extcmd {
984	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
985		1084
986	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
987	}	1092	}
988		1093
989	cf::player->attach (	1094	cf::player->attach (
990	on_command => sub {	1095	on_command => sub {
991	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
1000	cf::override;	1105	cf::override;
1001	},	1106	},
1002	on_extcmd => sub {	1107	on_extcmd => sub {
1003	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
1004		1109
1005	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1006		1111
1007	if (ref $msg) {	1112	if (ref $msg) {
1008	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
1009	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
1010	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
1016		1121
1017	cf::override;	1122	cf::override;
1018	},	1123	},
1019	);	1124	);
1020		1125
1021	sub load_extension {
1022	my ($path) = @_;
1023
1024	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1025	my $base = $1;
1026	my $pkg = $1;
1027	$pkg =~ s/[^[:word:]]/_/g;
1028	$pkg = "ext::$pkg";
1029
1030	warn "... loading '$path' into '$pkg'\n";
1031
1032	open my $fh, "<:utf8", $path
1033	or die "$path: $!";
1034
1035	my $source =
1036	"package $pkg; use strict; use utf8;\n"
1037	. "#line 1 \"$path\"\n{\n"
1038	. (do { local $/; <$fh> })
1039	. "\n};\n1";
1040
1041	eval $source
1042	or die $@ ? "$path: $@\n"
1043	: "extension disabled.\n";
1044
1045	push @EXTS, $pkg;
1046	}
1047
1048	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
1049	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
1050	next unless -r $ext;	1131	next unless -r $path;
1051	eval {	1132
1052	load_extension $ext;	1133	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1134	my $base = $1;
		1135	my $pkg = $1;
		1136	$pkg =~ s/[^[:word:]]/_/g;
		1137	$pkg = "ext::$pkg";
		1138
		1139	open my $fh, "<:utf8", $path
		1140	or die "$path: $!";
		1141
		1142	my $source = do { local $/; <$fh> };
		1143
		1144	my %ext = (
		1145	path => $path,
		1146	base => $base,
		1147	pkg => $pkg,
		1148	);
		1149
		1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1152
		1153	$ext{source} =
		1154	"package $pkg; use strict; use utf8;\n"
		1155	. "#line 1 \"$path\"\n{\n"
		1156	. $source
		1157	. "\n};\n1";
		1158
		1159	$todo{$base} = \%ext;
		1160	}
		1161
		1162	my %done;
		1163	while (%todo) {
		1164	my $progress;
		1165
		1166	while (my ($k, $v) = each %todo) {
		1167	for (split /,\s*/, $v->{meta}{depends}) {
		1168	goto skip
		1169	unless exists $done{$_};
		1170	}
		1171
		1172	warn "... loading '$k' into '$v->{pkg}'\n";
		1173
		1174	unless (eval $v->{source}) {
		1175	my $msg = $@ ? "$v->{path}: $@\n"
		1176	: "$v->{base}: extension inactive.\n";
		1177
		1178	if (exists $v->{meta}{mandatory}) {
		1179	warn $msg;
		1180	warn "mandatory extension failed to load, exiting.\n";
		1181	exit 1;
		1182	}
		1183
		1184	warn $msg;
		1185	}
		1186
		1187	$done{$k} = delete $todo{$k};
		1188	push @EXTS, $v->{pkg};
		1189	$progress = 1;
1053	1	1190	}
1054	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
1055	}	1196	};
1056	}	1197	}
1057		1198
1058	#############################################################################	1199	#############################################################################
1059	# load/save/clean perl data associated with a map
1060		1200
1061	*cf::mapsupport::on_clean = sub {	1201	=back
1062	my ($map) = @_;
1063
1064	my $path = $map->tmpname;
1065	defined $path or return;
1066
1067	unlink "$path.pst";
1068	};
1069
1070	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1071
1072	#############################################################################
1073		1202
1074	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
1075		1204
1076	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
1077		1206
…		…
1090	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
1091		1220
1092	=cut	1221	=cut
1093		1222
1094	sub playerdir($) {	1223	sub playerdir($) {
1095	cf::localdir	1224	"$PLAYERDIR/"
1096	. "/"
1097	. cf::playerdir
1098	. "/"
1099	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1100	}	1226	}
1101		1227
1102	sub path($) {	1228	sub path($) {
1103	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1104		1230
1105	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
1106	}	1232	}
1107		1233
1108	sub find_active($) {	1234	sub find_active($) {
1109	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
1110	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
1113		1239
1114	sub exists($) {	1240	sub exists($) {
1115	my ($login) = @_;	1241	my ($login) = @_;
1116		1242
1117	$cf::PLAYER{$login}	1243	$cf::PLAYER{$login}
1118	or cf::sync_job { !aio_stat $login }	1244	or cf::sync_job { !aio_stat path $login }
1119	}	1245	}
1120		1246
1121	sub find($) {	1247	sub find($) {
1122	return $cf::PLAYER{$_[0]} || do {	1248	return $cf::PLAYER{$_[0]} || do {
1123	my $login = $_[0];	1249	my $login = $_[0];
1124		1250
1125	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
1126		1252
1127	$cf::PLAYER{$_[0]} || do {	1253	$cf::PLAYER{$_[0]} || do {
		1254	# rename old playerfiles to new ones
		1255	#TODO: remove when no longer required
		1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1259	aio_unlink +(playerdir $login) . "/$login.pl";
		1260
1128	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
1129	or return;	1262	or return;
1130	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
1131	}	1264	}
1132	}	1265	}
…		…
1169		1302
1170	=cut	1303	=cut
1171		1304
1172	sub quit_character {	1305	sub quit_character {
1173	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1174		1309
1175	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1176	$pl->password ("*"); # this should lock out the player until we nuked the dir	1311	$pl->password ("*"); # this should lock out the player until we nuked the dir
1177		1312
1178	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1183	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1184	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1185	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1186	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1187	$pl->destroy;	1322	$pl->destroy;
		1323
		1324	my $prefix = qr<^~\Q$name\E/>;
		1325
		1326	# nuke player maps
		1327	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1328
1188	IO::AIO::aio_rmtree $temp;	1329	IO::AIO::aio_rmtree $temp;
		1330	}
		1331
		1332	=item $pl->kick
		1333
		1334	Kicks a player out of the game. This destroys the connection.
		1335
		1336	=cut
		1337
		1338	sub kick {
		1339	my ($pl, $kicker) = @_;
		1340
		1341	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1342	$pl->killer ("kicked");
		1343	$pl->ns->destroy;
1189	}	1344	}
1190		1345
1191	=item cf::player::list_logins	1346	=item cf::player::list_logins
1192		1347
1193	Returns am arrayref of all valid playernames in the system, can take a	1348	Returns am arrayref of all valid playernames in the system, can take a
1194	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1195		1350
1196	=cut	1351	=cut
1197		1352
1198	sub list_logins {	1353	sub list_logins {
1199	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1200	or return [];	1355	or return [];
1201		1356
1202	my @logins;	1357	my @logins;
1203		1358
1204	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1213	\@logins	1368	\@logins
1214	}	1369	}
1215		1370
1216	=item $player->maps	1371	=item $player->maps
1217		1372
1218	Returns an arrayref of cf::path's of all maps that are private for this	1373	Returns an arrayref of map paths that are private for this
1219	player. May block.	1374	player. May block.
1220		1375
1221	=cut	1376	=cut
1222		1377
1223	sub maps($) {	1378	sub maps($) {
1224	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	$pl = ref $pl ? $pl->ob->name : $pl;
1225		1382
1226	my $files = aio_readdir playerdir $pl	1383	my $files = aio_readdir playerdir $pl
1227	or return;	1384	or return;
1228		1385
1229	my @paths;	1386	my @paths;
…		…
1231	for (@$files) {	1388	for (@$files) {
1232	utf8::decode $_;	1389	utf8::decode $_;
1233	next if /\.(?:pl|pst)$/;	1390	next if /\.(?:pl|pst)$/;
1234	next unless /^$PATH_SEP/o;	1391	next unless /^$PATH_SEP/o;
1235		1392
1236	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1393	push @paths, cf::map::normalise "~$pl/$_";
1237	}	1394	}
1238		1395
1239	\@paths	1396	\@paths
1240	}	1397	}
1241		1398
		1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1400
		1401	Expand crossfire pod fragments into protocol xml.
		1402
		1403	=cut
		1404
		1405	sub expand_cfpod {
		1406	((my $self), (local $_)) = @_;
		1407
		1408	# escape & and <
		1409	s/&/&amp;/g;
		1410	s/(?<![BIUGH])</&lt;/g;
		1411
		1412	# this is buggy, it needs to properly take care of nested <'s
		1413
		1414	1 while
		1415	# replace B<>, I<>, U<> etc.
		1416	s/B<([^\>]*)>/<b>$1<\/b>/
		1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1419	# replace G<male|female> tags
		1420	|| s{G<([^>|]*)\|([^>]*)>}{
		1421	$self->gender ? $2 : $1
		1422	}ge
		1423	# replace H<hint text>
		1424	|| s{H<([^\>]*)>}
		1425	{
		1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1428	"")
		1429	[$self->{hintmode}]
		1430	}ge;
		1431
		1432	# create single paragraphs (very hackish)
		1433	s/(?<=\S)\n(?=\w)/ /g;
		1434
		1435	# compress some whitespace
		1436	s/\s+\n/\n/g; # ws line-ends
		1437	s/\n\n+/\n/g; # double lines
		1438	s/^\n+//; # beginning lines
		1439	s/\n+$//; # ending lines
		1440
		1441	$_
		1442	}
		1443
		1444	sub hintmode {
		1445	$_[0]{hintmode} = $_[1] if @_ > 1;
		1446	$_[0]{hintmode}
		1447	}
		1448
1242	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1243		1450
1244	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1245		1452
1246	=cut	1453	=cut
1247		1454
1248	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1249	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1250		1457
1251	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1252		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1253	$self->send ("ext " . cf::to_json \%msg);
1254	}	1460	}
1255		1461
1256	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		1469	my ($self, $type, %msg) = @_;
		1470
		1471	$self->ns->ext_event ($type, %msg);
		1472	}
		1473
		1474	=head3 cf::region
		1475
		1476	=over 4
		1477
		1478	=cut
		1479
		1480	package cf::region;
		1481
		1482	=item cf::region::find_by_path $path
		1483
		1484	Tries to decuce the likely region for a map knowing only its path.
		1485
		1486	=cut
		1487
		1488	sub find_by_path($) {
		1489	my ($path) = @_;
		1490
		1491	my ($match, $specificity);
		1492
		1493	for my $region (list) {
		1494	if ($region->{match} && $path =~ $region->{match}) {
		1495	($match, $specificity) = ($region, $region->specificity)
		1496	if $region->specificity > $specificity;
		1497	}
		1498	}
		1499
		1500	$match
		1501	}
1257		1502
1258	=back	1503	=back
1259
1260		1504
1261	=head3 cf::map	1505	=head3 cf::map
1262		1506
1263	=over 4	1507	=over 4
1264		1508
…		…
1267	package cf::map;	1511	package cf::map;
1268		1512
1269	use Fcntl;	1513	use Fcntl;
1270	use Coro::AIO;	1514	use Coro::AIO;
1271		1515
		1516	use overload
		1517	'""' => \&as_string,
		1518	fallback => 1;
		1519
1272	our $MAX_RESET = 3600;	1520	our $MAX_RESET = 3600;
1273	our $DEFAULT_RESET = 3000;	1521	our $DEFAULT_RESET = 3000;
1274		1522
1275	sub generate_random_map {	1523	sub generate_random_map {
1276	my ($path, $rmp) = @_;	1524	my ($self, $rmp) = @_;
1277
1278	# mit "rum" bekleckern, nicht	1525	# mit "rum" bekleckern, nicht
1279	cf::map::_create_random_map (	1526	$self->_create_random_map (
1280	$path,
1281	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1282	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1283	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1284	$rmp->{exit_on_final_map},	1530	$rmp->{exit_on_final_map},
1285	$rmp->{xsize}, $rmp->{ysize},	1531	$rmp->{xsize}, $rmp->{ysize},
…		…
1290	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1291	(cf::region::find $rmp->{region}), $rmp->{custom}	1537	(cf::region::find $rmp->{region}), $rmp->{custom}
1292	)	1538	)
1293	}	1539	}
1294		1540
		1541	=item cf::map->register ($regex, $prio)
		1542
		1543	Register a handler for the map path matching the given regex at the
		1544	givne priority (higher is better, built-in handlers have priority 0, the
		1545	default).
		1546
		1547	=cut
		1548
		1549	sub register {
		1550	my (undef, $regex, $prio) = @_;
		1551	my $pkg = caller;
		1552
		1553	no strict;
		1554	push @{"$pkg\::ISA"}, __PACKAGE__;
		1555
		1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1557	}
		1558
		1559	# also paths starting with '/'
		1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1561
		1562	sub thawer_merge {
		1563	my ($self, $merge) = @_;
		1564
		1565	# we have to keep some variables in memory intact
		1566	local $self->{path};
		1567	local $self->{load_path};
		1568
		1569	$self->SUPER::thawer_merge ($merge);
		1570	}
		1571
		1572	sub normalise {
		1573	my ($path, $base) = @_;
		1574
		1575	$path = "$path"; # make sure its a string
		1576
		1577	$path =~ s/\.map$//;
		1578
		1579	# map plan:
		1580	#
		1581	# /! non-realised random map exit (special hack!)
		1582	# {... are special paths that are not being touched
		1583	# ?xxx/... are special absolute paths
		1584	# ?random/... random maps
		1585	# /... normal maps
		1586	# ~user/... per-player map of a specific user
		1587
		1588	$path =~ s/$PATH_SEP/\//go;
		1589
		1590	# treat it as relative path if it starts with
		1591	# something that looks reasonable
		1592	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1593	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1594
		1595	$base =~ s{[^/]+/?$}{};
		1596	$path = "$base/$path";
		1597	}
		1598
		1599	for ($path) {
		1600	redo if s{//}{/};
		1601	redo if s{/\.?/}{/};
		1602	redo if s{/[^/]+/\.\./}{/};
		1603	}
		1604
		1605	$path
		1606	}
		1607
		1608	sub new_from_path {
		1609	my (undef, $path, $base) = @_;
		1610
		1611	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1612
		1613	$path = normalise $path, $base;
		1614
		1615	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1616	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1617	my $self = bless cf::map::new, $pkg;
		1618	$self->{path} = $path; $self->path ($path);
		1619	$self->init; # pass $1 etc.
		1620	return $self;
		1621	}
		1622	}
		1623
		1624	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1625	()
		1626	}
		1627
		1628	sub init {
		1629	my ($self) = @_;
		1630
		1631	$self
		1632	}
		1633
		1634	sub as_string {
		1635	my ($self) = @_;
		1636
		1637	"$self->{path}"
		1638	}
		1639
		1640	# the displayed name, this is a one way mapping
		1641	sub visible_name {
		1642	&as_string
		1643	}
		1644
		1645	# the original (read-only) location
		1646	sub load_path {
		1647	my ($self) = @_;
		1648
		1649	"$MAPDIR/$self->{path}.map"
		1650	}
		1651
		1652	# the temporary/swap location
		1653	sub save_path {
		1654	my ($self) = @_;
		1655
		1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1657	"$TMPDIR/$path.map"
		1658	}
		1659
		1660	# the unique path, undef == no special unique path
		1661	sub uniq_path {
		1662	my ($self) = @_;
		1663
		1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1665	"$UNIQUEDIR/$path"
		1666	}
		1667
1295	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1296	# all maps in C++...	1669	# all maps in C++...
1297	sub change_all_map_light {	1670	sub change_all_map_light {
1298	my ($change) = @_;	1671	my ($change) = @_;
1299		1672
1300	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1302	}	1675	}
1303		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
		1685	sub unlink_save {
		1686	my ($self) = @_;
		1687
		1688	utf8::encode (my $save = $self->save_path);
		1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1690	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1691	}
		1692
1304	sub load_map_header($) {	1693	sub load_header_from($) {
1305	my ($path) = @_;	1694	my ($self, $path) = @_;
1306		1695
1307	utf8::encode $path;	1696	utf8::encode $path;
1308	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
		1698	# or return;
		1699
		1700	$self->_load_header ($path)
1309	or return;	1701	or return;
1310		1702
1311	my $map = cf::map::new	1703	$self->{load_path} = $path;
		1704
		1705	1
		1706	}
		1707
		1708	sub load_header_orig {
		1709	my ($self) = @_;
		1710
		1711	$self->load_header_from ($self->load_path)
		1712	}
		1713
		1714	sub load_header_temp {
		1715	my ($self) = @_;
		1716
		1717	$self->load_header_from ($self->save_path)
		1718	}
		1719
		1720	sub prepare_temp {
		1721	my ($self) = @_;
		1722
		1723	$self->last_access ((delete $self->{last_access})
		1724	|| $cf::RUNTIME); #d#
		1725	# safety
		1726	$self->{instantiate_time} = $cf::RUNTIME
		1727	if $self->{instantiate_time} > $cf::RUNTIME;
		1728	}
		1729
		1730	sub prepare_orig {
		1731	my ($self) = @_;
		1732
		1733	$self->{load_original} = 1;
		1734	$self->{instantiate_time} = $cf::RUNTIME;
		1735	$self->last_access ($cf::RUNTIME);
		1736	$self->instantiate;
		1737	}
		1738
		1739	sub load_header {
		1740	my ($self) = @_;
		1741
		1742	if ($self->load_header_temp) {
		1743	$self->prepare_temp;
		1744	} else {
		1745	$self->load_header_orig
1312	or return;	1746	or return;
		1747	$self->prepare_orig;
		1748	}
1313		1749
1314	# for better error messages only, will be overwritten later	1750	$self->{deny_reset} = 1
1315	$map->path ($path);	1751	if $self->no_reset;
1316		1752
1317	$map->load_header ($path)	1753	$self->default_region (cf::region::find_by_path $self->{path})
1318	or return;	1754	unless $self->default_region;
1319		1755
1320	$map->{load_path} = $path;	1756	1
1321
1322	$map
1323	}	1757	}
1324		1758
1325	sub find;	1759	sub find;
1326	sub find {	1760	sub find {
1327	my ($path, $origin) = @_;	1761	my ($path, $origin) = @_;
1328		1762
1329	#warn "find<$path,$origin>\n";#d#
1330
1331	$path = new cf::path $path, $origin && $origin->path;	1763	$path = normalise $path, $origin && $origin->path;
1332	my $key = $path->as_string;
1333		1764
1334	cf::lock_wait "map_find:$key";	1765	cf::lock_wait "map_find:$path";
1335		1766
1336	$cf::MAP{$key} || do {	1767	$cf::MAP{$path} || do {
1337	my $guard = cf::lock_acquire "map_find:$key";	1768	my $guard = cf::lock_acquire "map_find:$path";
1338		1769	my $map = new_from_path cf::map $path
1339	# do it the slow way
1340	my $map = $path->load_temp;
1341
1342	Coro::cede;
1343
1344	if ($map) {
1345	$map->last_access ((delete $map->{last_access})
1346	|| $cf::RUNTIME); #d#
1347	# safety
1348	$map->{instantiate_time} = $cf::RUNTIME
1349	if $map->{instantiate_time} > $cf::RUNTIME;
1350	} else {
1351	$map = $path->load_orig
1352	or return;	1770	or return;
1353		1771
1354	$map->{load_original} = 1;
1355	$map->{instantiate_time} = $cf::RUNTIME;
1356	$map->last_access ($cf::RUNTIME);
1357	$map->instantiate;
1358
1359	# per-player maps become, after loading, normal maps
1360	$map->per_player (0) if $path->{user_rel};
1361	}
1362
1363	$map->path ($key);
1364	$map->{path} = $path;
1365	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1366		1773
1367	Coro::cede;	1774	$map->load_header
		1775	or return;
1368		1776
1369	if ($map->should_reset) {	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1778	# doing this can freeze the server in a sync job, obviously
		1779	#$cf::WAIT_FOR_TICK->wait;
1370	$map->reset;	1780	$map->reset;
1371	undef $guard;	1781	undef $guard;
1372	$map = find $path	1782	return find $path;
1373	or return;
1374	}	1783	}
1375		1784
1376	$cf::MAP{$key} = $map	1785	$cf::MAP{$path} = $map
1377	}	1786	}
1378	}	1787	}
		1788
		1789	sub pre_load { }
		1790	sub post_load { }
1379		1791
1380	sub load {	1792	sub load {
1381	my ($self) = @_;	1793	my ($self) = @_;
1382		1794
		1795	local $self->{deny_reset} = 1; # loading can take a long time
		1796
1383	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1384	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1800	my $guard = cf::lock_acquire "map_load:$path";
1385		1801
1386	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1387		1803
1388	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1389		1805
1390	$self->alloc;	1806	$self->alloc;
		1807
		1808	$self->pre_load;
		1809	Coro::cede;
		1810
1391	$self->load_objects ($self->{load_path}, 1)	1811	$self->_load_objects ($self->{load_path}, 1)
1392	or return;	1812	or return;
1393		1813
1394	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1395	if delete $self->{load_original};	1815	if delete $self->{load_original};
1396		1816
1397	if (my $uniq = $path->uniq_path) {	1817	if (my $uniq = $self->uniq_path) {
1398	utf8::encode $uniq;	1818	utf8::encode $uniq;
1399	if (aio_open $uniq, O_RDONLY, 0) {	1819	if (aio_open $uniq, O_RDONLY, 0) {
1400	$self->clear_unique_items;	1820	$self->clear_unique_items;
1401	$self->load_objects ($uniq, 0);	1821	$self->_load_objects ($uniq, 0);
1402	}	1822	}
1403	}	1823	}
1404		1824
1405	Coro::cede;	1825	Coro::cede;
1406
1407	# now do the right thing for maps	1826	# now do the right thing for maps
1408	$self->link_multipart_objects;	1827	$self->link_multipart_objects;
1409
1410	if ($self->{path}->is_style_map) {
1411	$self->{deny_save} = 1;
1412	$self->{deny_reset} = 1;
1413	} else {
1414	$self->decay_objects;
1415	$self->fix_auto_apply;
1416	$self->update_buttons;
1417	$self->set_darkness_map;
1418	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1419	unless $self->difficulty;	1829	unless $self->difficulty;
		1830	Coro::cede;
		1831
		1832	unless ($self->{deny_activate}) {
		1833	$self->decay_objects;
		1834	$self->fix_auto_apply;
		1835	$self->update_buttons;
		1836	Coro::cede;
		1837	$self->set_darkness_map;
		1838	Coro::cede;
1420	$self->activate;	1839	$self->activate;
1421	}	1840	}
1422		1841
1423	Coro::cede;
1424
1425	$self->in_memory (cf::MAP_IN_MEMORY);	1842	$self->in_memory (cf::MAP_IN_MEMORY);
		1843	}
		1844
		1845	$self->post_load;
		1846	}
		1847
		1848	sub customise_for {
		1849	my ($self, $ob) = @_;
		1850
		1851	return find "~" . $ob->name . "/" . $self->{path}
		1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
		1856
		1857	$self
1426	}	1858	}
1427		1859
1428	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
1429	sub load_diag {	1861	sub load_diag {
1430	my ($map) = @_;	1862	my ($map) = @_;
…		…
1460		1892
1461	cf::sync_job { $map->load };	1893	cf::sync_job { $map->load };
1462	}	1894	}
1463		1895
1464	our %MAP_PREFETCH;	1896	our %MAP_PREFETCH;
1465	our $MAP_PREFETCHER = Coro::async {	1897	our $MAP_PREFETCHER = undef;
1466	while () {
1467	while (%MAP_PREFETCH) {
1468	my $key = each %MAP_PREFETCH
1469	or next;
1470	my $path = delete $MAP_PREFETCH{$key};
1471
1472	my $map = find $path
1473	or next;
1474	$map->load;
1475	}
1476	Coro::schedule;
1477	}
1478	};
1479		1898
1480	sub find_async {	1899	sub find_async {
1481	my ($path, $origin) = @_;	1900	my ($path, $origin) = @_;
1482		1901
1483	$path = new cf::path $path, $origin && $origin->path;	1902	$path = normalise $path, $origin && $origin->{path};
1484	my $key = $path->as_string;
1485		1903
1486	if (my $map = $cf::MAP{$key}) {	1904	if (my $map = $cf::MAP{$path}) {
1487	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1488	}	1906	}
1489		1907
1490	$MAP_PREFETCH{$key} = $path;	1908	undef $MAP_PREFETCH{$path};
		1909	$MAP_PREFETCHER ||= cf::async {
		1910	while (%MAP_PREFETCH) {
		1911	for my $path (keys %MAP_PREFETCH) {
		1912	if (my $map = find $path) {
		1913	$map->load;
		1914	}
		1915
		1916	delete $MAP_PREFETCH{$path};
		1917	}
		1918	}
		1919	undef $MAP_PREFETCHER;
		1920	};
1491	$MAP_PREFETCHER->ready;	1921	$MAP_PREFETCHER->prio (6);
1492		1922
1493	()	1923	()
1494	}	1924	}
1495		1925
1496	sub save {	1926	sub save {
…		…
1500		1930
1501	$self->{last_save} = $cf::RUNTIME;	1931	$self->{last_save} = $cf::RUNTIME;
1502		1932
1503	return unless $self->dirty;	1933	return unless $self->dirty;
1504		1934
1505	my $save = $self->{path}->save_path; utf8::encode $save;	1935	my $save = $self->save_path; utf8::encode $save;
1506	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1936	my $uniq = $self->uniq_path; utf8::encode $uniq;
1507		1937
1508	$self->{load_path} = $save;	1938	$self->{load_path} = $save;
1509		1939
1510	return if $self->{deny_save};	1940	return if $self->{deny_save};
1511		1941
…		…
1514	cf::async {	1944	cf::async {
1515	$_->contr->save for $self->players;	1945	$_->contr->save for $self->players;
1516	};	1946	};
1517		1947
1518	if ($uniq) {	1948	if ($uniq) {
1519	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1520	$self->save_objects ($uniq, cf::IO_UNIQUES);	1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1521	} else {	1951	} else {
1522	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1523	}	1953	}
1524	}	1954	}
1525		1955
1526	sub swap_out {	1956	sub swap_out {
1527	my ($self) = @_;	1957	my ($self) = @_;
…		…
1541		1971
1542	sub reset_at {	1972	sub reset_at {
1543	my ($self) = @_;	1973	my ($self) = @_;
1544		1974
1545	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1546	return 1e99 if $self->{path}{user_rel};
1547	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1548		1977
1549	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1550	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1551		1980
…		…
1556	my ($self) = @_;	1985	my ($self) = @_;
1557		1986
1558	$self->reset_at <= $cf::RUNTIME	1987	$self->reset_at <= $cf::RUNTIME
1559	}	1988	}
1560		1989
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->{path}->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	1990	sub reset {
1575	my ($self) = @_;	1991	my ($self) = @_;
1576		1992
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		1994
1579	return if $self->players;	1995	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		1996
1582	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
		1998
		1999	$self->in_memory (cf::MAP_SWAPPED);
		2000
		2001	# need to save uniques path
		2002	unless ($self->{deny_save}) {
		2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2004
		2005	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2006	if $uniq;
		2007	}
1583		2008
1584	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
1585		2010
		2011	$self->clear;
		2012
1586	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1587		2014
1588	$self->{path}->unlink_save;	2015	$self->unlink_save;
1589	$self->destroy;	2016	$self->destroy;
1590	}	2017	}
1591		2018
1592	my $nuke_counter = "aaaa";	2019	my $nuke_counter = "aaaa";
1593		2020
1594	sub nuke {	2021	sub nuke {
1595	my ($self) = @_;	2022	my ($self) = @_;
1596		2023
		2024	delete $cf::MAP{$self->path};
		2025
		2026	$self->unlink_save;
		2027
		2028	bless $self, "cf::map";
		2029	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2030	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2031	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2033
		2034	$cf::MAP{$self->path} = $self;
		2035
1600	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1601	}	2037	}
1602		2038
1603	sub customise_for {	2039	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2040
1606	if ($map->per_player) {	2041	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
1608	}	2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
1609		2056
1610	$map	2057	=item $maps = cf::map::random_maps
		2058
		2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
		2061
		2062	=cut
		2063
		2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
1611	}	2073	}
1612		2074
1613	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1614		2076
1615	Returns an arrayref of cf::path's of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2078	instantiated unique items. May block.
1617		2079
1618	=cut	2080	=cut
1619		2081
1620	sub unique_maps() {	2082	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1622	or return;	2084	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2085	utf8::decode $_;
1628	next if /\.pst$/;	2086	/\.map$/
1629	next unless /^$PATH_SEP/o;	2087	? normalise $_
1630		2088	: ()
1631	push @paths, new cf::path $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2090	]
1633
1634	\@paths
1635	}	2091	}
1636		2092
1637	package cf;	2093	package cf;
1638		2094
1639	=back	2095	=back
…		…
1685		2141
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2143
1688	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1690	} else {	2147	} else {
		2148	my $pl = $self->contr;
		2149
		2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2151	my $diag = $pl->{npc_dialog};
		2152	$diag->{pl}->ext_reply (
		2153	$diag->{id},
		2154	msgtype => "reply",
		2155	msg => $diag->{pl}->expand_cfpod ($msg),
		2156	add_topics => []
		2157	);
		2158
		2159	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1693	}	2163	}
1694	}	2164	}
1695		2165
1696	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1697		2167
…		…
1711		2181
1712	=item $player_object->enter_link	2182	=item $player_object->enter_link
1713		2183
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2184	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2185
1716	The player should be reaosnably safe there for short amounts of time. You	2186	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2187	I<MUST> call C<leave_link> as soon as possible, though.
1718		2188
		2189	Will never block.
		2190
1719	=item $player_object->leave_link ($map, $x, $y)	2191	=item $player_object->leave_link ($map, $x, $y)
1720		2192
1721	Moves the player out of the specila link map onto the given map. If the	2193	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2194	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2195	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2196	fails, to the emergency map position.
1725		2197
1726	Might block.	2198	Might block.
1727		2199
1728	=cut	2200	=cut
		2201
		2202	sub link_map {
		2203	unless ($LINK_MAP) {
		2204	$LINK_MAP = cf::map::find "{link}"
		2205	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2206	$LINK_MAP->load;
		2207	}
		2208
		2209	$LINK_MAP
		2210	}
1729		2211
1730	sub cf::object::player::enter_link {	2212	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2213	my ($self) = @_;
1732		2214
1733	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1734		2216
1735	return if $self->map == $LINK_MAP;	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2218
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1739		2221
1740	$self->enter_map ($LINK_MAP, 20, 20);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2223	}
1742		2224
1743	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1745		2229
1746	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1747		2231
1748	unless ($map) {	2232	unless ($map) {
1749	# restore original map position	2233	# restore original map position
…		…
1767	$map->load;	2251	$map->load;
1768	$map->load_diag;	2252	$map->load_diag;
1769		2253
1770	return unless $self->contr->active;	2254	return unless $self->contr->active;
1771	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1773	}	2259	}
1774		2260
1775	cf::player->attach (	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2262
1779	# abort map switching before logout	2263	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2264	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2265	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2266	the new (success) or old (failed) map position. In either case, $done will
1783	};	2267	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2268
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2269	=cut
		2270
		2271	our $GOTOGEN;
1810		2272
1811	sub cf::object::player::goto {	2273	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2274	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2275
1814	$path = new cf::path $path;	2276	# do generation counting so two concurrent goto's will be executed in-order
		2277	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2278
1816	$self->enter_link;	2279	$self->enter_link;
1817		2280
1818	(async {	2281	(async {
		2282	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	2283	my $map = cf::map::find $path;
		2284
		2285	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2286	$map = $map->customise_for ($self);
1821		2287	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2288	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2289	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2290	}
1826		2291
		2292	$map
		2293	};
		2294
		2295	if ($@) {
		2296	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2297	LOG llevError | logBacktrace, Carp::longmess $@;
		2298	}
		2299
		2300	if ($gen == $self->{_goto_generation}) {
		2301	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2302	$self->leave_link ($map, $x, $y);
		2303	}
		2304
		2305	$done->() if $done;
1828	})->prio (1);	2306	})->prio (1);
1829	}	2307	}
1830		2308
1831	=item $player_object->enter_exit ($exit_object)	2309	=item $player_object->enter_exit ($exit_object)
1832		2310
…		…
1834		2312
1835	sub parse_random_map_params {	2313	sub parse_random_map_params {
1836	my ($spec) = @_;	2314	my ($spec) = @_;
1837		2315
1838	my $rmp = { # defaults	2316	my $rmp = { # defaults
1839	xsize => 10,	2317	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2318	ysize => (cf::rndm 15, 40),
		2319	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2320	#layout => string,
1841	};	2321	};
1842		2322
1843	for (split /\n/, $spec) {	2323	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2324	my ($k, $v) = split /\s+/, $_, 2;
1845		2325
…		…
1849	$rmp	2329	$rmp
1850	}	2330	}
1851		2331
1852	sub prepare_random_map {	2332	sub prepare_random_map {
1853	my ($exit) = @_;	2333	my ($exit) = @_;
		2334
		2335	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2336
1855	# all this does is basically replace the /! path by	2337	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2338	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2339	# that depends on the exit object
1858		2340
1859	my $rmp = parse_random_map_params $exit->msg;	2341	my $rmp = parse_random_map_params $exit->msg;
1860		2342
1861	if ($exit->map) {	2343	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2344	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2345	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2346	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2347	$rmp->{origin_y} = $exit->y;
1866	}	2348	}
1867		2349
1868	$rmp->{random_seed} ||= $exit->random_seed;	2350	$rmp->{random_seed} ||= $exit->random_seed;
1869		2351
1870	my $data = cf::to_json $rmp;	2352	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2353	my $md5 = Digest::MD5::md5_hex $data;
		2354	my $meta = "$RANDOMDIR/$md5.meta";
1872		2355
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2356	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2357	aio_write $fh, 0, (length $data), $data, 0;
		2358	undef $fh;
		2359	aio_rename "$meta~", $meta;
1875		2360
1876	$exit->slaying ("?random/$md5");	2361	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2362	$exit->msg (undef);
1878	}	2363	}
1879	}	2364	}
…		…
1881	sub cf::object::player::enter_exit {	2366	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2367	my ($self, $exit) = @_;
1883		2368
1884	return unless $self->type == cf::PLAYER;	2369	return unless $self->type == cf::PLAYER;
1885		2370
		2371	if ($exit->slaying eq "/!") {
		2372	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2373	# the problem is that $exit might not survive long enough
		2374	# so it needs to be done right now, right here
		2375	cf::sync_job { prepare_random_map $exit };
		2376	}
		2377
		2378	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2379	my $hp = $exit->stats->hp;
		2380	my $sp = $exit->stats->sp;
		2381
1886	$self->enter_link;	2382	$self->enter_link;
		2383
		2384	# if exit is damned, update players death & WoR home-position
		2385	$self->contr->savebed ($slaying, $hp, $sp)
		2386	if $exit->flag (FLAG_DAMNED);
1887		2387
1888	(async {	2388	(async {
1889	$self->deactivate_recursive; # just to be sure	2389	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2390	unless (eval {
1891	prepare_random_map $exit	2391	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2392
1897	1;	2393	1;
1898	}) {	2394	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2395	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2396	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2397	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2398	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2399
1904	warn "ERROR in enter_exit: $@";	2400	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2401	$self->leave_link;
1906	}	2402	}
1907	})->prio (1);	2403	})->prio (1);
…		…
1920		2416
1921	sub cf::client::send_drawinfo {	2417	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2418	my ($self, $text, $flags) = @_;
1923		2419
1924	utf8::encode $text;	2420	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2421	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2422	}
1927		2423
		2424	=item $client->send_msg ($color, $type, $msg, [extra...])
		2425
		2426	Send a drawinfo or msg packet to the client, formatting the msg for the
		2427	client if neccessary. C<$type> should be a string identifying the type of
		2428	the message, with C<log> being the default. If C<$color> is negative, suppress
		2429	the message unless the client supports the msg packet.
		2430
		2431	=cut
		2432
		2433	sub cf::client::send_msg {
		2434	my ($self, $color, $type, $msg, @extra) = @_;
		2435
		2436	$msg = $self->pl->expand_cfpod ($msg);
		2437
		2438	return unless @extra || length $msg;
		2439
		2440	if ($self->can_msg) {
		2441	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2442	} else {
		2443	# replace some tags by gcfclient-compatible ones
		2444	for ($msg) {
		2445	1 while
		2446	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2447	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2448	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2449	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2450	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2451	}
		2452
		2453	if ($color >= 0) {
		2454	if (0 && $msg =~ /\[/) {
		2455	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2456	} else {
		2457	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2458	$self->send_packet ("drawinfo $color $msg")
		2459	}
		2460	}
		2461	}
		2462	}
		2463
		2464	=item $client->ext_event ($type, %msg)
		2465
		2466	Sends an ext event to the client.
		2467
		2468	=cut
		2469
		2470	sub cf::client::ext_event($$%) {
		2471	my ($self, $type, %msg) = @_;
		2472
		2473	return unless $self->extcmd;
		2474
		2475	$msg{msgtype} = "event_$type";
		2476	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2477	}
1928		2478
1929	=item $success = $client->query ($flags, "text", \&cb)	2479	=item $success = $client->query ($flags, "text", \&cb)
1930		2480
1931	Queues a query to the client, calling the given callback with	2481	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2482	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2483	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2484
1935	Queries can fail, so check the return code. Or don't, as queries will become	2485	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2486	become reliable at some point in the future.
1937		2487
1938	=cut	2488	=cut
1939		2489
1940	sub cf::client::query {	2490	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2491	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2499	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2500	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2501
1952	$self->send_packet ($self->{query_queue}[0][0])	2502	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2503	if @{ $self->{query_queue} } == 1;
		2504
		2505	1
1954	}	2506	}
1955		2507
1956	cf::client->attach (	2508	cf::client->attach (
		2509	on_connect => sub {
		2510	my ($ns) = @_;
		2511
		2512	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2513	},
1957	on_reply => sub {	2514	on_reply => sub {
1958	my ($ns, $msg) = @_;	2515	my ($ns, $msg) = @_;
1959		2516
1960	# this weird shuffling is so that direct followup queries	2517	# this weird shuffling is so that direct followup queries
1961	# get handled first	2518	# get handled first
1962	my $queue = delete $ns->{query_queue}	2519	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2520	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2521
1965	(shift @$queue)->[1]->($msg);	2522	(shift @$queue)->[1]->($msg);
		2523	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2524
1967	push @{ $ns->{query_queue} }, @$queue;	2525	push @{ $ns->{query_queue} }, @$queue;
1968		2526
1969	if (@{ $ns->{query_queue} } == @$queue) {	2527	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2528	if (@$queue) {
…		…
1972	} else {	2530	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2531	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	2532	}
1975	}	2533	}
1976	},	2534	},
		2535	on_exticmd => sub {
		2536	my ($ns, $buf) = @_;
		2537
		2538	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2539
		2540	if (ref $msg) {
		2541	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2542	if (my %reply = $cb->($ns, $msg)) {
		2543	$reply{msgid} = $msg->{msgid};
		2544	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2545	}
		2546	}
		2547	} else {
		2548	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2549	}
		2550
		2551	cf::override;
		2552	},
1977	);	2553	);
1978		2554
1979	=item $client->async (\&cb)	2555	=item $client->async (\&cb)
1980		2556
1981	Create a new coroutine, running the specified callback. The coroutine will	2557	Create a new coroutine, running the specified callback. The coroutine will
…		…
2028		2604
2029	# here we export the classes and methods available to script code	2605	# here we export the classes and methods available to script code
2030		2606
2031	=pod	2607	=pod
2032		2608
2033	The following fucntions and emthods are available within a safe environment:	2609	The following functions and methods are available within a safe environment:
2034		2610
2035	cf::object contr pay_amount pay_player map	2611	cf::object
		2612	contr pay_amount pay_player map x y force_find force_add
		2613	insert remove
		2614
2036	cf::object::player player	2615	cf::object::player
2037	cf::player peaceful	2616	player
2038	cf::map trigger	2617
		2618	cf::player
		2619	peaceful
		2620
		2621	cf::map
		2622	trigger
2039		2623
2040	=cut	2624	=cut
2041		2625
2042	for (	2626	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	2627	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2628	insert remove)],
2044	["cf::object::player" => qw(player)],	2629	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	2630	["cf::player" => qw(peaceful)],
2046	["cf::map" => qw(trigger)],	2631	["cf::map" => qw(trigger)],
2047	) {	2632	) {
2048	no strict 'refs';	2633	no strict 'refs';
…		…
2119	=back	2704	=back
2120		2705
2121	=cut	2706	=cut
2122		2707
2123	#############################################################################	2708	#############################################################################
		2709	# the server's init and main functions
2124		2710
2125	=head2 EXTENSION DATABASE SUPPORT	2711	sub load_facedata($) {
		2712	my ($path) = @_;
2126		2713
2127	Crossfire maintains a very simple database for extension use. It can	2714	warn "loading facedata from $path\n";
2128	currently store anything that can be serialised using Storable, which
2129	excludes objects.
2130		2715
2131	The parameter C<$family> should best start with the name of the extension	2716	my $facedata;
2132	using it, it should be unique.	2717	0 < aio_load $path, $facedata
		2718	or die "$path: $!";
2133		2719
2134	=over 4	2720	$facedata = Coro::Storable::thaw $facedata;
2135		2721
2136	=item $hashref = cf::db_get $family	2722	$facedata->{version} == 2
		2723	or cf::cleanup "$path: version mismatch, cannot proceed.";
2137		2724
2138	Return a hashref for use by the extension C<$family>, which can be
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141
2142	=item $value = cf::db_get $family => $key
2143
2144	Returns a single value from the database
2145
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}	2725	{
		2726	my $faces = $facedata->{faceinfo};
2174		2727
2175	my $pid;	2728	while (my ($face, $info) = each %$faces) {
		2729	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2730	cf::face::set_visibility $idx, $info->{visibility};
		2731	cf::face::set_magicmap $idx, $info->{magicmap};
		2732	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2733	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2176		2734
2177	sub db_save() {	2735	cf::cede_to_tick;
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});
2197
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}
2202
2203	sub db_get($;$) {
2204	@_ >= 2
2205	? $DB->{$_[0]}{$_[1]}
2206	: ($DB->{$_[0]} ||= { })
2207	}
2208
2209	sub db_put($$;$) {
2210	if (@_ >= 3) {
2211	$DB->{$_[0]}{$_[1]} = $_[2];
2212	} else {
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2736	}
2223	);
2224	}
2225		2737
2226	#############################################################################	2738	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	2739	next unless $info->{smooth};
		2740	my $idx = cf::face::find $face
		2741	or next;
		2742	if (my $smooth = cf::face::find $info->{smooth}) {
		2743	cf::face::set_smooth $idx, $smooth;
		2744	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2745	} else {
		2746	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2747	}
		2748
		2749	cf::cede_to_tick;
		2750	}
		2751	}
		2752
		2753	{
		2754	my $anims = $facedata->{animinfo};
		2755
		2756	while (my ($anim, $info) = each %$anims) {
		2757	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2758	cf::cede_to_tick;
		2759	}
		2760
		2761	cf::anim::invalidate_all; # d'oh
		2762	}
		2763
		2764	{
		2765	# TODO: for gcfclient pleasure, we should give resources
		2766	# that gcfclient doesn't grok a >10000 face index.
		2767	my $res = $facedata->{resource};
		2768	my $enc = JSON::XS->new->utf8->canonical;
		2769
		2770	while (my ($name, $info) = each %$res) {
		2771	my $meta = $enc->encode ({
		2772	name => $name,
		2773	type => $info->{type},
		2774	copyright => $info->{copyright}, #TODO#
		2775	});
		2776
		2777	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2778
		2779	if ($name =~ /\.jpg$/) {
		2780	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2781	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2782	} else {
		2783	my $data = pack "(w/a*)*", $meta, $info->{data};
		2784	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2785
		2786	cf::face::set_type $idx, 1;
		2787	cf::face::set_data $idx, 0, $data, $chk;
		2788	}
		2789
		2790	cf::cede_to_tick;
		2791	}
		2792	}
		2793
		2794	1
		2795	}
		2796
		2797	sub reload_regions {
		2798	load_resource_file "$MAPDIR/regions"
		2799	or die "unable to load regions file\n";
		2800
		2801	for (cf::region::list) {
		2802	$_->{match} = qr/$_->{match}/
		2803	if exists $_->{match};
		2804	}
		2805	}
		2806
		2807	sub reload_facedata {
		2808	load_facedata "$DATADIR/facedata"
		2809	or die "unable to load facedata\n";
		2810	}
		2811
		2812	sub reload_archetypes {
		2813	load_resource_file "$DATADIR/archetypes"
		2814	or die "unable to load archetypes\n";
		2815	#d# NEED to laod twice to resolve forward references
		2816	# this really needs to be done in an extra post-pass
		2817	# (which needs to be synchronous, so solve it differently)
		2818	load_resource_file "$DATADIR/archetypes"
		2819	or die "unable to load archetypes\n";
		2820	}
		2821
		2822	sub reload_treasures {
		2823	load_resource_file "$DATADIR/treasures"
		2824	or die "unable to load treasurelists\n";
		2825	}
		2826
		2827	sub reload_resources {
		2828	warn "reloading resource files...\n";
		2829
		2830	reload_regions;
		2831	reload_facedata;
		2832	#reload_archetypes;#d#
		2833	reload_archetypes;
		2834	reload_treasures;
		2835
		2836	warn "finished reloading resource files\n";
		2837	}
		2838
		2839	sub init {
		2840	reload_resources;
		2841	}
2228		2842
2229	sub cfg_load {	2843	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2844	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	2845	or return;
2232		2846
2233	local $/;	2847	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	2848	*CFG = YAML::Syck::Load <$fh>;
2235		2849
…		…
2249		2863
2250	sub main {	2864	sub main {
2251	# we must not ever block the main coroutine	2865	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	2866	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2867	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2868	(async {
2254	async { Event::one_event };	2869	Event::one_event;
		2870	})->prio (Coro::PRIO_MAX);
2255	};	2871	};
2256		2872
2257	cfg_load;	2873	cfg_load;
2258	db_load;	2874	db_init;
2259	load_extensions;	2875	load_extensions;
		2876
		2877	$TICK_WATCHER->start;
2260	Event::loop;	2878	Event::loop;
2261	}	2879	}
2262		2880
2263	#############################################################################	2881	#############################################################################
2264	# initialisation and cleanup	2882	# initialisation and cleanup
2265		2883
2266	# install some emergency cleanup handlers	2884	# install some emergency cleanup handlers
2267	BEGIN {	2885	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	2886	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	2887	Event->signal (
		2888	reentrant => 0,
2270	data => WF_AUTOCANCEL,	2889	data => WF_AUTOCANCEL,
2271	signal => $signal,	2890	signal => $signal,
		2891	prio => 0,
2272	cb => sub {	2892	cb => sub {
2273	cf::cleanup "SIG$signal";	2893	cf::cleanup "SIG$signal";
2274	},	2894	},
2275	);	2895	);
2276	}	2896	}
2277	}	2897	}
2278		2898
		2899	sub write_runtime {
		2900	my $runtime = "$LOCALDIR/runtime";
		2901
		2902	# first touch the runtime file to show we are still running:
		2903	# the fsync below can take a very very long time.
		2904
		2905	IO::AIO::aio_utime $runtime, undef, undef;
		2906
		2907	my $guard = cf::lock_acquire "write_runtime";
		2908
		2909	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2910	or return;
		2911
		2912	my $value = $cf::RUNTIME + 90 + 10;
		2913	# 10 is the runtime save interval, for a monotonic clock
		2914	# 60 allows for the watchdog to kill the server.
		2915
		2916	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2917	and return;
		2918
		2919	# always fsync - this file is important
		2920	aio_fsync $fh
		2921	and return;
		2922
		2923	# touch it again to show we are up-to-date
		2924	aio_utime $fh, undef, undef;
		2925
		2926	close $fh
		2927	or return;
		2928
		2929	aio_rename "$runtime~", $runtime
		2930	and return;
		2931
		2932	warn "runtime file written.\n";
		2933
		2934	1
		2935	}
		2936
2279	sub emergency_save() {	2937	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	2938	my $freeze_guard = cf::freeze_mainloop;
2281		2939
2282	warn "enter emergency perl save\n";	2940	warn "enter emergency perl save\n";
2283		2941
2284	cf::sync_job {	2942	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	2943	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	2944	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	2945	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	2946	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	2947	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	2948	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	2949	$pl->valid or next;
2292	$pl->save;	2950	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	2956	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	2957	$map->valid or next;
2300	$map->save;	2958	$map->save;
2301	}	2959	}
2302	warn "end emergency map save\n";	2960	warn "end emergency map save\n";
		2961
		2962	warn "begin emergency database checkpoint\n";
		2963	BDB::db_env_txn_checkpoint $DB_ENV;
		2964	warn "end emergency database checkpoint\n";
2303	};	2965	};
2304		2966
2305	warn "leave emergency perl save\n";	2967	warn "leave emergency perl save\n";
2306	}	2968	}
2307		2969
		2970	sub post_cleanup {
		2971	my ($make_core) = @_;
		2972
		2973	warn Carp::longmess "post_cleanup backtrace"
		2974	if $make_core;
		2975	}
		2976
2308	sub reload() {	2977	sub do_reload_perl() {
2309	# can/must only be called in main	2978	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	2979	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	2980	warn "can only reload from main coroutine";
2312	return;	2981	return;
2313	}	2982	}
2314		2983
2315	warn "reloading...";	2984	warn "reloading...";
2316		2985
2317	warn "freezing server";	2986	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	2987
		2988	cf::sync_job {
		2989	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2990	cf::emergency_save;
		2991	cf::write_runtime; # external watchdog should not bark
2320		2992
2321	warn "sync database to disk";	2993	warn "syncing database to disk";
2322	cf::db_sync;	2994	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		2995
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	2996	# if anything goes wrong in here, we should simply crash as we already saved
2327		2997
2328	warn "cancel all watchers";	2998	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	2999	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3000	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	3001	}
2332		3002
		3003	warn "flushing outstanding aio requests";
		3004	for (;;) {
		3005	BDB::flush;
		3006	IO::AIO::flush;
		3007	Coro::cede;
		3008	last unless IO::AIO::nreqs || BDB::nreqs;
		3009	warn "iterate...";
		3010	}
		3011
		3012	++$RELOAD;
		3013
2333	warn "cancel all extension coros";	3014	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	3015	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	3016	%EXT_CORO = ();
2336		3017
2337	warn "remove commands";	3018	warn "removing commands";
2338	%COMMAND = ();	3019	%COMMAND = ();
2339		3020
2340	warn "remove ext commands";	3021	warn "removing ext/exti commands";
2341	%EXTCMD = ();	3022	%EXTCMD = ();
		3023	%EXTICMD = ();
2342		3024
2343	warn "unload/nuke all extensions";	3025	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	3026	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	3027	warn "... unloading $pkg";
2346		3028
2347	if (my $cb = $pkg->can ("unload")) {	3029	if (my $cb = $pkg->can ("unload")) {
2348	eval {	3030	eval {
…		…
2353		3035
2354	warn "... nuking $pkg";	3036	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	3037	Symbol::delete_package $pkg;
2356	}	3038	}
2357		3039
2358	warn "unload all perl modules loaded from $LIBDIR";	3040	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	3041	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		3043
2362	warn "removing <$k>";	3044	warn "... unloading $k";
2363	delete $INC{$k};	3045	delete $INC{$k};
2364		3046
2365	$k =~ s/\.pm$//;	3047	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	3048	$k =~ s/\//::/g;
2367		3049
…		…
2370	}	3052	}
2371		3053
2372	Symbol::delete_package $k;	3054	Symbol::delete_package $k;
2373	}	3055	}
2374		3056
2375	warn "get rid of safe::, as good as possible";	3057	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3058	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3059	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3060
2379	warn "unload cf.pm \"a bit\"";	3061	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3062	delete $INC{"cf.pm"};
		3063	delete $INC{"cf/pod.pm"};
2381		3064
2382	# don't, removes xs symbols, too,	3065	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3066	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3067	#Symbol::delete_package __PACKAGE__;
2385		3068
		3069	warn "unload completed, starting to reload now";
		3070
2386	warn "reloading cf.pm";	3071	warn "reloading cf.pm";
2387	require cf;	3072	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3073	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3074
2390	warn "load config and database again";	3075	warn "loading config and database again";
2391	cf::cfg_load;	3076	cf::cfg_load;
2392	cf::db_load;
2393		3077
2394	warn "load extensions";	3078	warn "loading extensions";
2395	cf::load_extensions;	3079	cf::load_extensions;
2396		3080
2397	warn "reattach attachments to objects/players";	3081	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3082	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3083	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3084	reattach $_ for values %MAP;
2401	};	3085	warn "reattaching attachments to players";
		3086	reattach $_ for values %PLAYER;
2402		3087
2403	if ($@) {	3088	warn "leaving sync_job";
		3089
		3090	1
		3091	} or do {
2404	warn $@;	3092	warn $@;
2405	warn "error while reloading, exiting.";	3093	warn "error while reloading, exiting.";
2406	exit 1;	3094	exit 1;
2407	}	3095	};
2408		3096
2409	warn "reloaded";	3097	warn "reloaded";
2410	};	3098	};
2411		3099
2412	#############################################################################	3100	our $RELOAD_WATCHER; # used only during reload
2413		3101
2414	unless ($LINK_MAP) {	3102	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	3103	# doing reload synchronously and two reloads happen back-to-back,
		3104	# coro crashes during coro_state_free->destroy here.
2416		3105
2417	$LINK_MAP->width (41);	3106	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	3107	reentrant => 0,
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,	3108	after => 0,
		3109	data => WF_AUTOCANCEL,
2427	cb => sub {	3110	cb => sub {
2428	$_[0]->w->cancel;	3111	do_reload_perl;
2429		3112	undef $RELOAD_WATCHER;
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});	3113	},
2448		3114	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3115	}
2454		3116
2455	register_command "reload" => sub {	3117	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3118	my ($who, $arg) = @_;
2457		3119
2458	if ($who->flag (FLAG_WIZ)) {	3120	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3121	$who->message ("reloading server.");
		3122	async { reload_perl };
2462	}	3123	}
2463	};	3124	};
2464		3125
2465	unshift @INC, $LIBDIR;	3126	unshift @INC, $LIBDIR;
2466		3127
		3128	my $bug_warning = 0;
		3129
		3130	our @WAIT_FOR_TICK;
		3131	our @WAIT_FOR_TICK_BEGIN;
		3132
		3133	sub wait_for_tick {
		3134	return unless $TICK_WATCHER->is_active;
		3135	return if $Coro::current == $Coro::main;
		3136
		3137	my $signal = new Coro::Signal;
		3138	push @WAIT_FOR_TICK, $signal;
		3139	$signal->wait;
		3140	}
		3141
		3142	sub wait_for_tick_begin {
		3143	return unless $TICK_WATCHER->is_active;
		3144	return if $Coro::current == $Coro::main;
		3145
		3146	my $signal = new Coro::Signal;
		3147	push @WAIT_FOR_TICK_BEGIN, $signal;
		3148	$signal->wait;
		3149	}
		3150
		3151	my $min = 1e6;#d#
		3152	my $avg = 10;
2467	$TICK_WATCHER = Event->timer (	3153	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	3154	reentrant => 0,
		3155	parked => 1,
2469	prio => 0,	3156	prio => 0,
2470	at => $NEXT_TICK || $TICK,	3157	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	3158	data => WF_AUTOCANCEL,
2472	cb => sub {	3159	cb => sub {
		3160	if ($Coro::current != $Coro::main) {
		3161	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3162	unless ++$bug_warning > 10;
		3163	return;
		3164	}
		3165
2473	$NOW = Event::time;	3166	$NOW = $tick_start = Event::time;
2474		3167
2475	cf::server_tick; # one server iteration	3168	cf::server_tick; # one server iteration
		3169
		3170	0 && sync_job {#d#
		3171	for(1..10) {
		3172	my $t = Event::time;
		3173	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3174	or die;
		3175
		3176	$map->width (50);
		3177	$map->height (50);
		3178	$map->alloc;
		3179	$map->_load_objects ("/tmp/x.map", 1);
		3180	my $t = Event::time - $t;
		3181
		3182	#next unless $t < 0.0013;#d#
		3183	if ($t < $min) {
		3184	$min = $t;
		3185	}
		3186	$avg = $avg * 0.99 + $t * 0.01;
		3187	}
		3188	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3189	exit 0;
		3190	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3191	};
		3192
2476	$RUNTIME += $TICK;	3193	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	3194	$NEXT_TICK += $TICK;
2478		3195
2479	$WAIT_FOR_TICK->broadcast;	3196	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3197	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3198	Coro::async_pool {
		3199	write_runtime
		3200	or warn "ERROR: unable to write runtime file: $!";
		3201	};
		3202	}
		3203
		3204	# my $AFTER = Event::time;
		3205	# warn $AFTER - $NOW;#d#
		3206
		3207	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3208	$sig->send;
		3209	}
		3210	while (my $sig = shift @WAIT_FOR_TICK) {
		3211	$sig->send;
		3212	}
		3213
		3214	$NOW = Event::time;
2481		3215
2482	# if we are delayed by four ticks or more, skip them all	3216	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3217	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2484		3218
2485	$TICK_WATCHER->at ($NEXT_TICK);	3219	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	3220	$TICK_WATCHER->start;
		3221
		3222	$LOAD = ($NOW - $tick_start) / $TICK;
		3223	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3224
		3225	_post_tick;
		3226
		3227
2487	},	3228	},
2488	);	3229	);
2489		3230
		3231	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	3232	BDB::max_poll_time $TICK * 0.1;
2491		3233	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	3234	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	3235	fd => BDB::poll_fileno,
2494	poll => 'r',	3236	poll => 'r',
2495	prio => 5,	3237	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	3238	data => WF_AUTOCANCEL,
2502	after => 0,	3239	cb => \&BDB::poll_cb,
2503	interval => 10,	3240	);
2504	cb => sub {	3241	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	3242
2506	write_runtime	3243	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	3244	my $status;
		3245	my $current = $Coro::current;
		3246	(
		3247	sub {
		3248	$status = $!;
		3249	$current->ready; undef $current;
		3250	},
		3251	sub {
		3252	Coro::schedule while defined $current;
		3253	$! = $status;
		3254	},
		3255	)
		3256	};
		3257
		3258	unless ($DB_ENV) {
		3259	$DB_ENV = BDB::db_env_create;
		3260
		3261	cf::sync_job {
		3262	eval {
		3263	BDB::db_env_open
		3264	$DB_ENV,
		3265	$BDBDIR,
		3266	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3267	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3268	0666;
		3269
		3270	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3271
		3272	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3273	$DB_ENV->set_lk_detect;
		3274	};
		3275
		3276	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	3277	};
2509	},	3278	}
2510	);	3279	}
		3280
		3281	{
		3282	IO::AIO::min_parallel 8;
		3283
		3284	undef $Coro::AIO::WATCHER;
		3285	IO::AIO::max_poll_time $TICK * 0.1;
		3286	$AIO_POLL_WATCHER = Event->io (
		3287	reentrant => 0,
		3288	data => WF_AUTOCANCEL,
		3289	fd => IO::AIO::poll_fileno,
		3290	poll => 'r',
		3291	prio => 6,
		3292	cb => \&IO::AIO::poll_cb,
		3293	);
		3294	}
		3295
		3296	my $_log_backtrace;
		3297
		3298	sub _log_backtrace {
		3299	my ($msg, @addr) = @_;
		3300
		3301	$msg =~ s/\n//;
		3302
		3303	# limit the # of concurrent backtraces
		3304	if ($_log_backtrace < 2) {
		3305	++$_log_backtrace;
		3306	async {
		3307	my @bt = fork_call {
		3308	@addr = map { sprintf "%x", $_ } @addr;
		3309	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3310	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3311	or die "addr2line: $!";
		3312
		3313	my @funcs;
		3314	my @res = <$fh>;
		3315	chomp for @res;
		3316	while (@res) {
		3317	my ($func, $line) = splice @res, 0, 2, ();
		3318	push @funcs, "[$func] $line";
		3319	}
		3320
		3321	@funcs
		3322	};
		3323
		3324	LOG llevInfo, "[ABT] $msg\n";
		3325	LOG llevInfo, "[ABT] $_\n" for @bt;
		3326	--$_log_backtrace;
		3327	};
		3328	} else {
		3329	LOG llevInfo, "[ABT] $msg\n";
		3330	LOG llevInfo, "[ABT] [suppressed]\n";
		3331	}
		3332	}
		3333
		3334	# load additional modules
		3335	use cf::pod;
2511		3336
2512	END { cf::emergency_save }	3337	END { cf::emergency_save }
2513		3338
2514	1	3339	1
2515		3340

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines